diff options
Diffstat (limited to 'drivers/input')
88 files changed, 6071 insertions, 563 deletions
diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig index a11ff74a5127..a35532ec00e4 100644 --- a/drivers/input/Kconfig +++ b/drivers/input/Kconfig @@ -25,6 +25,19 @@ config INPUT if INPUT +config INPUT_LEDS + tristate "Export input device LEDs in sysfs" + depends on LEDS_CLASS + default INPUT + help + Say Y here if you would like to export LEDs on input devices + as standard LED class devices in sysfs. + + If unsure, say Y. + + To compile this driver as a module, choose M here: the + module will be called input-leds. + config INPUT_FF_MEMLESS tristate "Support for memoryless force-feedback devices" help diff --git a/drivers/input/Makefile b/drivers/input/Makefile index 5ca3f631497f..0c9302ca9954 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o obj-$(CONFIG_INPUT_SPARSEKMAP) += sparse-keymap.o obj-$(CONFIG_INPUT_MATRIXKMAP) += matrix-keymap.o +obj-$(CONFIG_INPUT_LEDS) += input-leds.o obj-$(CONFIG_INPUT_MOUSEDEV) += mousedev.o obj-$(CONFIG_INPUT_JOYDEV) += joydev.o obj-$(CONFIG_INPUT_EVDEV) += evdev.o diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index a18f41b89b6a..9d35499faca4 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -422,10 +422,7 @@ static int evdev_release(struct inode *inode, struct file *file) evdev_detach_client(evdev, client); - if (is_vmalloc_addr(client)) - vfree(client); - else - kfree(client); + kvfree(client); evdev_close_device(evdev); diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index f50f6dd92274..8f4a30fccbb6 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -23,8 +23,6 @@ /* #define DEBUG */ -#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt - #include <linux/input.h> #include <linux/module.h> #include <linux/mutex.h> @@ -72,7 +70,7 @@ static int compat_effect(struct ff_device *ff, struct ff_effect *effect) return -EINVAL; /* - * calculate manginude of sine wave as average of rumble's + * calculate magnitude of sine wave as average of rumble's * 2/3 of strong magnitude and 1/3 of weak magnitude */ magnitude = effect->u.rumble.strong_magnitude / 3 + @@ -116,7 +114,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, if (effect->type < FF_EFFECT_MIN || effect->type > FF_EFFECT_MAX || !test_bit(effect->type, dev->ffbit)) { - pr_debug("invalid or not supported effect type in upload\n"); + dev_dbg(&dev->dev, "invalid or not supported effect type in upload\n"); return -EINVAL; } @@ -124,7 +122,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, (effect->u.periodic.waveform < FF_WAVEFORM_MIN || effect->u.periodic.waveform > FF_WAVEFORM_MAX || !test_bit(effect->u.periodic.waveform, dev->ffbit))) { - pr_debug("invalid or not supported wave form in upload\n"); + dev_dbg(&dev->dev, "invalid or not supported wave form in upload\n"); return -EINVAL; } @@ -215,7 +213,7 @@ static int erase_effect(struct input_dev *dev, int effect_id, /** * input_ff_erase - erase a force-feedback effect from device * @dev: input device to erase effect from - * @effect_id: id of the ffect to be erased + * @effect_id: id of the effect to be erased * @file: purported owner of the request * * This function erases a force-feedback effect from specified device. @@ -246,7 +244,7 @@ static int flush_effects(struct input_dev *dev, struct file *file) struct ff_device *ff = dev->ff; int i; - pr_debug("flushing now\n"); + dev_dbg(&dev->dev, "flushing now\n"); mutex_lock(&ff->mutex); @@ -316,7 +314,7 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects) int i; if (!max_effects) { - pr_err("cannot allocate device without any effects\n"); + dev_err(&dev->dev, "cannot allocate device without any effects\n"); return -EINVAL; } diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index 74c0d8c6002a..fcc6c3368182 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -237,6 +237,18 @@ static u16 ml_calculate_direction(u16 direction, u16 force, (force + new_force)) << 1; } +#define FRAC_N 8 +static inline s16 fixp_new16(s16 a) +{ + return ((s32)a) >> (16 - FRAC_N); +} + +static inline s16 fixp_mult(s16 a, s16 b) +{ + a = ((s32)a * 0x100) / 0x7fff; + return ((s32)(a * b)) >> FRAC_N; +} + /* * Combine two effects and apply gain. */ @@ -247,7 +259,7 @@ static void ml_combine_effects(struct ff_effect *effect, struct ff_effect *new = state->effect; unsigned int strong, weak, i; int x, y; - fixp_t level; + s16 level; switch (new->type) { case FF_CONSTANT: @@ -255,8 +267,8 @@ static void ml_combine_effects(struct ff_effect *effect, level = fixp_new16(apply_envelope(state, new->u.constant.level, &new->u.constant.envelope)); - x = fixp_mult(fixp_sin(i), level) * gain / 0xffff; - y = fixp_mult(-fixp_cos(i), level) * gain / 0xffff; + x = fixp_mult(fixp_sin16(i), level) * gain / 0xffff; + y = fixp_mult(-fixp_cos16(i), level) * gain / 0xffff; /* * here we abuse ff_ramp to hold x and y of constant force * If in future any driver wants something else than x and y diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c new file mode 100644 index 000000000000..074a65ed17bb --- /dev/null +++ b/drivers/input/input-leds.c @@ -0,0 +1,212 @@ +/* + * LED support for the input layer + * + * Copyright 2010-2015 Samuel Thibault <samuel.thibault@ens-lyon.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/leds.h> +#include <linux/input.h> + +#if IS_ENABLED(CONFIG_VT) +#define VT_TRIGGER(_name) .trigger = _name +#else +#define VT_TRIGGER(_name) .trigger = NULL +#endif + +static const struct { + const char *name; + const char *trigger; +} input_led_info[LED_CNT] = { + [LED_NUML] = { "numlock", VT_TRIGGER("kbd-numlock") }, + [LED_CAPSL] = { "capslock", VT_TRIGGER("kbd-capslock") }, + [LED_SCROLLL] = { "scrolllock", VT_TRIGGER("kbd-scrolllock") }, + [LED_COMPOSE] = { "compose" }, + [LED_KANA] = { "kana", VT_TRIGGER("kbd-kanalock") }, + [LED_SLEEP] = { "sleep" } , + [LED_SUSPEND] = { "suspend" }, + [LED_MUTE] = { "mute" }, + [LED_MISC] = { "misc" }, + [LED_MAIL] = { "mail" }, + [LED_CHARGING] = { "charging" }, +}; + +struct input_led { + struct led_classdev cdev; + struct input_handle *handle; + unsigned int code; /* One of LED_* constants */ +}; + +struct input_leds { + struct input_handle handle; + unsigned int num_leds; + struct input_led leds[]; +}; + +static enum led_brightness input_leds_brightness_get(struct led_classdev *cdev) +{ + struct input_led *led = container_of(cdev, struct input_led, cdev); + struct input_dev *input = led->handle->dev; + + return test_bit(led->code, input->led) ? cdev->max_brightness : 0; +} + +static void input_leds_brightness_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct input_led *led = container_of(cdev, struct input_led, cdev); + + input_inject_event(led->handle, EV_LED, led->code, !!brightness); +} + +static void input_leds_event(struct input_handle *handle, unsigned int type, + unsigned int code, int value) +{ +} + +static int input_leds_connect(struct input_handler *handler, + struct input_dev *dev, + const struct input_device_id *id) +{ + struct input_leds *leds; + unsigned int num_leds; + unsigned int led_code; + int led_no; + int error; + + num_leds = bitmap_weight(dev->ledbit, LED_CNT); + if (!num_leds) + return -ENXIO; + + leds = kzalloc(sizeof(*leds) + num_leds * sizeof(*leds->leds), + GFP_KERNEL); + if (!leds) + return -ENOMEM; + + leds->num_leds = num_leds; + + leds->handle.dev = dev; + leds->handle.handler = handler; + leds->handle.name = "leds"; + leds->handle.private = leds; + + error = input_register_handle(&leds->handle); + if (error) + goto err_free_mem; + + error = input_open_device(&leds->handle); + if (error) + goto err_unregister_handle; + + led_no = 0; + for_each_set_bit(led_code, dev->ledbit, LED_CNT) { + struct input_led *led = &leds->leds[led_no]; + + led->handle = &leds->handle; + led->code = led_code; + + if (WARN_ON(!input_led_info[led_code].name)) + continue; + + led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s", + dev_name(&dev->dev), + input_led_info[led_code].name); + if (!led->cdev.name) { + error = -ENOMEM; + goto err_unregister_leds; + } + + led->cdev.max_brightness = 1; + led->cdev.brightness_get = input_leds_brightness_get; + led->cdev.brightness_set = input_leds_brightness_set; + led->cdev.default_trigger = input_led_info[led_code].trigger; + + error = led_classdev_register(&dev->dev, &led->cdev); + if (error) { + dev_err(&dev->dev, "failed to register LED %s: %d\n", + led->cdev.name, error); + kfree(led->cdev.name); + goto err_unregister_leds; + } + + led_no++; + } + + return 0; + +err_unregister_leds: + while (--led_no >= 0) { + struct input_led *led = &leds->leds[led_no]; + + led_classdev_unregister(&led->cdev); + kfree(led->cdev.name); + } + + input_close_device(&leds->handle); + +err_unregister_handle: + input_unregister_handle(&leds->handle); + +err_free_mem: + kfree(leds); + return error; +} + +static void input_leds_disconnect(struct input_handle *handle) +{ + struct input_leds *leds = handle->private; + int i; + + for (i = 0; i < leds->num_leds; i++) { + struct input_led *led = &leds->leds[i]; + + led_classdev_unregister(&led->cdev); + kfree(led->cdev.name); + } + + input_close_device(handle); + input_unregister_handle(handle); + + kfree(leds); +} + +static const struct input_device_id input_leds_ids[] = { + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_LED) }, + }, + { }, +}; +MODULE_DEVICE_TABLE(input, input_leds_ids); + +static struct input_handler input_leds_handler = { + .event = input_leds_event, + .connect = input_leds_connect, + .disconnect = input_leds_disconnect, + .name = "leds", + .id_table = input_leds_ids, +}; + +static int __init input_leds_init(void) +{ + return input_register_handler(&input_leds_handler); +} +module_init(input_leds_init); + +static void __exit input_leds_exit(void) +{ + input_unregister_handler(&input_leds_handler); +} +module_exit(input_leds_exit); + +MODULE_AUTHOR("Samuel Thibault <samuel.thibault@ens-lyon.org>"); +MODULE_AUTHOR("Dmitry Torokhov <dmitry.torokhov@gmail.com>"); +MODULE_DESCRIPTION("Input -> LEDs Bridge"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index cb150a1dbaff..54fce56c8023 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -88,10 +88,13 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, goto err_mem; } - /* Mark slots as 'unused' */ + /* Mark slots as 'inactive' */ for (i = 0; i < num_slots; i++) input_mt_set_value(&mt->slots[i], ABS_MT_TRACKING_ID, -1); + /* Mark slots as 'unused' */ + mt->frame = 1; + dev->mt = mt; return 0; err_mem: @@ -365,27 +368,35 @@ static void input_mt_set_slots(struct input_mt *mt, int *slots, int num_pos) { struct input_mt_slot *s; - int *w = mt->red, *p; + int *w = mt->red, j; - for (p = slots; p != slots + num_pos; p++) - *p = -1; + for (j = 0; j != num_pos; j++) + slots[j] = -1; for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { if (!input_mt_is_active(s)) continue; - for (p = slots; p != slots + num_pos; p++) - if (*w++ < 0) - *p = s - mt->slots; + + for (j = 0; j != num_pos; j++) { + if (w[j] < 0) { + slots[j] = s - mt->slots; + break; + } + } + + w += num_pos; } for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { if (input_mt_is_active(s)) continue; - for (p = slots; p != slots + num_pos; p++) - if (*p < 0) { - *p = s - mt->slots; + + for (j = 0; j != num_pos; j++) { + if (slots[j] < 0) { + slots[j] = s - mt->slots; break; } + } } } @@ -439,6 +450,8 @@ EXPORT_SYMBOL(input_mt_assign_slots); * set the key on the first unused slot and return. * * If no available slot can be found, -1 is returned. + * Note that for this function to work properly, input_mt_sync_frame() has + * to be called at each frame. */ int input_mt_get_slot_by_key(struct input_dev *dev, int key) { @@ -453,7 +466,7 @@ int input_mt_get_slot_by_key(struct input_dev *dev, int key) return s - mt->slots; for (s = mt->slots; s != mt->slots + mt->num_slots; s++) - if (!input_mt_is_active(s)) { + if (!input_mt_is_active(s) && !input_mt_is_used(mt, s)) { s->key = key; return s - mt->slots; } diff --git a/drivers/input/input.c b/drivers/input/input.c index cc357f1516a7..f31578423636 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -2262,7 +2262,7 @@ EXPORT_SYMBOL(input_unregister_handler); * * Iterate over @bus's list of devices, and call @fn for each, passing * it @data and stop when @fn returns a non-zero value. The function is - * using RCU to traverse the list and therefore may be usind in atonic + * using RCU to traverse the list and therefore may be using in atomic * contexts. The @fn callback is invoked from RCU critical section and * thus must not sleep. */ diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index f362883c94e3..1d247bcf2ae2 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -747,6 +747,63 @@ static void joydev_cleanup(struct joydev *joydev) input_close_device(handle); } +static bool joydev_dev_is_absolute_mouse(struct input_dev *dev) +{ + DECLARE_BITMAP(jd_scratch, KEY_CNT); + + BUILD_BUG_ON(ABS_CNT > KEY_CNT || EV_CNT > KEY_CNT); + + /* + * Virtualization (VMware, etc) and remote management (HP + * ILO2) solutions use absolute coordinates for their virtual + * pointing devices so that there is one-to-one relationship + * between pointer position on the host screen and virtual + * guest screen, and so their mice use ABS_X, ABS_Y and 3 + * primary button events. This clashes with what joydev + * considers to be joysticks (a device with at minimum ABS_X + * axis). + * + * Here we are trying to separate absolute mice from + * joysticks. A device is, for joystick detection purposes, + * considered to be an absolute mouse if the following is + * true: + * + * 1) Event types are exactly EV_ABS, EV_KEY and EV_SYN. + * 2) Absolute events are exactly ABS_X and ABS_Y. + * 3) Keys are exactly BTN_LEFT, BTN_RIGHT and BTN_MIDDLE. + * 4) Device is not on "Amiga" bus. + */ + + bitmap_zero(jd_scratch, EV_CNT); + __set_bit(EV_ABS, jd_scratch); + __set_bit(EV_KEY, jd_scratch); + __set_bit(EV_SYN, jd_scratch); + if (!bitmap_equal(jd_scratch, dev->evbit, EV_CNT)) + return false; + + bitmap_zero(jd_scratch, ABS_CNT); + __set_bit(ABS_X, jd_scratch); + __set_bit(ABS_Y, jd_scratch); + if (!bitmap_equal(dev->absbit, jd_scratch, ABS_CNT)) + return false; + + bitmap_zero(jd_scratch, KEY_CNT); + __set_bit(BTN_LEFT, jd_scratch); + __set_bit(BTN_RIGHT, jd_scratch); + __set_bit(BTN_MIDDLE, jd_scratch); + + if (!bitmap_equal(dev->keybit, jd_scratch, KEY_CNT)) + return false; + + /* + * Amiga joystick (amijoy) historically uses left/middle/right + * button events. + */ + if (dev->id.bustype == BUS_AMIGA) + return false; + + return true; +} static bool joydev_match(struct input_handler *handler, struct input_dev *dev) { @@ -758,6 +815,10 @@ static bool joydev_match(struct input_handler *handler, struct input_dev *dev) if (test_bit(EV_KEY, dev->evbit) && test_bit(BTN_DIGI, dev->keybit)) return false; + /* Avoid absolute mice */ + if (joydev_dev_is_absolute_mouse(dev)) + return false; + return true; } diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 3aa2f3f3da5b..61c761156371 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -31,12 +31,14 @@ * - the iForce driver drivers/char/joystick/iforce.c * - the skeleton-driver drivers/usb/usb-skeleton.c * - Xbox 360 information http://www.free60.org/wiki/Gamepad + * - Xbox One information https://github.com/quantus/xbox-one-controller-protocol * * Thanks to: * - ITO Takayuki for providing essential xpad information on his website * - Vojtech Pavlik - iforce driver / input subsystem * - Greg Kroah-Hartman - usb-skeleton driver * - XBOX Linux project - extra USB id's + * - Pekka Pöyry (quantus) - Xbox One controller reverse engineering * * TODO: * - fine tune axes (especially trigger axes) @@ -828,6 +830,23 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect return usb_submit_urb(xpad->irq_out, GFP_ATOMIC); + case XTYPE_XBOXONE: + xpad->odata[0] = 0x09; /* activate rumble */ + xpad->odata[1] = 0x08; + xpad->odata[2] = 0x00; + xpad->odata[3] = 0x08; /* continuous effect */ + xpad->odata[4] = 0x00; /* simple rumble mode */ + xpad->odata[5] = 0x03; /* L and R actuator only */ + xpad->odata[6] = 0x00; /* TODO: LT actuator */ + xpad->odata[7] = 0x00; /* TODO: RT actuator */ + xpad->odata[8] = strong / 256; /* left actuator */ + xpad->odata[9] = weak / 256; /* right actuator */ + xpad->odata[10] = 0x80; /* length of pulse */ + xpad->odata[11] = 0x00; /* stop period of pulse */ + xpad->irq_out->transfer_buffer_length = 12; + + return usb_submit_urb(xpad->irq_out, GFP_ATOMIC); + default: dev_dbg(&xpad->dev->dev, "%s - rumble command sent to unsupported xpad type: %d\n", @@ -841,7 +860,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect static int xpad_init_ff(struct usb_xpad *xpad) { - if (xpad->xtype == XTYPE_UNKNOWN || xpad->xtype == XTYPE_XBOXONE) + if (xpad->xtype == XTYPE_UNKNOWN) return 0; input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a89ba7cb96f1..4cd94fd6cbad 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -367,6 +367,7 @@ config KEYBOARD_MAPLE config KEYBOARD_MAX7359 tristate "Maxim MAX7359 Key Switch Controller" + select INPUT_MATRIXKMAP depends on I2C help If you say yes here you get support for the Maxim MAX7359 Key @@ -588,6 +589,16 @@ config KEYBOARD_DAVINCI To compile this driver as a module, choose M here: the module will be called davinci_keyscan. +config KEYBOARD_IPAQ_MICRO + tristate "Buttons on Micro SoC (iPaq h3100,h3600,h3700)" + depends on MFD_IPAQ_MICRO + help + Say Y to enable support for the buttons attached to + Micro peripheral controller on iPAQ h3100/h3600/h3700 + + To compile this driver as a module, choose M here: the + module will be called ipaq-micro-keys. + config KEYBOARD_OMAP tristate "TI OMAP keypad support" depends on ARCH_OMAP1 @@ -667,7 +678,7 @@ config KEYBOARD_W90P910 config KEYBOARD_CROS_EC tristate "ChromeOS EC keyboard" select INPUT_MATRIXKMAP - depends on MFD_CROS_EC + depends on CROS_EC_PROTO help Say Y here to enable the matrix keyboard used by ChromeOS devices and implemented on the ChromeOS EC. You must enable one bus option @@ -686,4 +697,15 @@ config KEYBOARD_CAP11XX To compile this driver as a module, choose M here: the module will be called cap11xx. +config KEYBOARD_BCM + tristate "Broadcom keypad driver" + depends on OF && HAVE_CLK + select INPUT_MATRIXKMAP + default ARCH_BCM_CYGNUS + help + Say Y here if you want to use Broadcom keypad. + + To compile this driver as a module, choose M here: the + module will be called bcm-keypad. + endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 470767884bd8..df28d5553c05 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_KEYBOARD_ADP5589) += adp5589-keys.o obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o obj-$(CONFIG_KEYBOARD_ATARI) += atakbd.o obj-$(CONFIG_KEYBOARD_ATKBD) += atkbd.o +obj-$(CONFIG_KEYBOARD_BCM) += bcm-keypad.o obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o obj-$(CONFIG_KEYBOARD_CAP11XX) += cap11xx.o obj-$(CONFIG_KEYBOARD_CLPS711X) += clps711x-keypad.o @@ -23,6 +24,7 @@ obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o obj-$(CONFIG_KEYBOARD_TCA8418) += tca8418_keypad.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o +obj-$(CONFIG_KEYBOARD_IPAQ_MICRO) += ipaq-micro-keys.o obj-$(CONFIG_KEYBOARD_IMX) += imx_keypad.o obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index a45267729dfc..6ed83cf8b74e 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -180,7 +180,7 @@ #define LOGIC2_STAT (1 << 7) /* ADP5589 only */ #define LOGIC1_STAT (1 << 6) #define LOCK_STAT (1 << 5) /* ADP5589 only */ -#define KEC 0xF +#define KEC 0x1F /* PIN_CONFIG_D Register */ #define C4_EXTEND_CFG (1 << 6) /* RESET2 */ @@ -726,7 +726,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad) pull_mask |= val << (2 * (i & 0x3)); - if (i == 3 || i == kpad->var->max_row_num) { + if (i % 4 == 3 || i == kpad->var->max_row_num) { ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_A) + (i >> 2), pull_mask); pull_mask = 0; @@ -746,7 +746,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad) pull_mask |= val << (2 * (i & 0x3)); - if (i == 3 || i == kpad->var->max_col_num) { + if (i % 4 == 3 || i == kpad->var->max_col_num) { ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_C) + (i >> 2), pull_mask); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 387c51f4b4e4..ec876b5b1382 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -1653,6 +1653,12 @@ static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id) return 1; } +/* + * NOTE: do not add any more "force release" quirks to this table. The + * task of adjusting list of keys that should be "released" automatically + * by the driver is now delegated to userspace tools, such as udev, so + * submit such quirks there. + */ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { { .matches = { diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c new file mode 100644 index 000000000000..86a8b723ae15 --- /dev/null +++ b/drivers/input/keyboard/bcm-keypad.c @@ -0,0 +1,458 @@ +/* + * Copyright (C) 2014 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/bitops.h> +#include <linux/clk.h> +#include <linux/gfp.h> +#include <linux/io.h> +#include <linux/input.h> +#include <linux/input/matrix_keypad.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/stddef.h> +#include <linux/types.h> + +#define DEFAULT_CLK_HZ 31250 +#define MAX_ROWS 8 +#define MAX_COLS 8 + +/* Register/field definitions */ +#define KPCR_OFFSET 0x00000080 +#define KPCR_MODE 0x00000002 +#define KPCR_MODE_SHIFT 1 +#define KPCR_MODE_MASK 1 +#define KPCR_ENABLE 0x00000001 +#define KPCR_STATUSFILTERENABLE 0x00008000 +#define KPCR_STATUSFILTERTYPE_SHIFT 12 +#define KPCR_COLFILTERENABLE 0x00000800 +#define KPCR_COLFILTERTYPE_SHIFT 8 +#define KPCR_ROWWIDTH_SHIFT 20 +#define KPCR_COLUMNWIDTH_SHIFT 16 + +#define KPIOR_OFFSET 0x00000084 +#define KPIOR_ROWOCONTRL_SHIFT 24 +#define KPIOR_ROWOCONTRL_MASK 0xFF000000 +#define KPIOR_COLUMNOCONTRL_SHIFT 16 +#define KPIOR_COLUMNOCONTRL_MASK 0x00FF0000 +#define KPIOR_COLUMN_IO_DATA_SHIFT 0 + +#define KPEMR0_OFFSET 0x00000090 +#define KPEMR1_OFFSET 0x00000094 +#define KPEMR2_OFFSET 0x00000098 +#define KPEMR3_OFFSET 0x0000009C +#define KPEMR_EDGETYPE_BOTH 3 + +#define KPSSR0_OFFSET 0x000000A0 +#define KPSSR1_OFFSET 0x000000A4 +#define KPSSRN_OFFSET(reg_n) (KPSSR0_OFFSET + 4 * (reg_n)) +#define KPIMR0_OFFSET 0x000000B0 +#define KPIMR1_OFFSET 0x000000B4 +#define KPICR0_OFFSET 0x000000B8 +#define KPICR1_OFFSET 0x000000BC +#define KPICRN_OFFSET(reg_n) (KPICR0_OFFSET + 4 * (reg_n)) +#define KPISR0_OFFSET 0x000000C0 +#define KPISR1_OFFSET 0x000000C4 + +#define KPCR_STATUSFILTERTYPE_MAX 7 +#define KPCR_COLFILTERTYPE_MAX 7 + +/* Macros to determine the row/column from a bit that is set in SSR0/1. */ +#define BIT_TO_ROW_SSRN(bit_nr, reg_n) (((bit_nr) >> 3) + 4 * (reg_n)) +#define BIT_TO_COL(bit_nr) ((bit_nr) % 8) + +/* Structure representing various run-time entities */ +struct bcm_kp { + void __iomem *base; + int irq; + struct clk *clk; + struct input_dev *input_dev; + unsigned long last_state[2]; + unsigned int n_rows; + unsigned int n_cols; + u32 kpcr; + u32 kpior; + u32 kpemr; + u32 imr0_val; + u32 imr1_val; +}; + +/* + * Returns the keycode from the input device keymap given the row and + * column. + */ +static int bcm_kp_get_keycode(struct bcm_kp *kp, int row, int col) +{ + unsigned int row_shift = get_count_order(kp->n_cols); + unsigned short *keymap = kp->input_dev->keycode; + + return keymap[MATRIX_SCAN_CODE(row, col, row_shift)]; +} + +static void bcm_kp_report_keys(struct bcm_kp *kp, int reg_num, int pull_mode) +{ + unsigned long state, change; + int bit_nr; + int key_press; + int row, col; + unsigned int keycode; + + /* Clear interrupts */ + writel(0xFFFFFFFF, kp->base + KPICRN_OFFSET(reg_num)); + + state = readl(kp->base + KPSSRN_OFFSET(reg_num)); + change = kp->last_state[reg_num] ^ state; + kp->last_state[reg_num] = state; + + for_each_set_bit(bit_nr, &change, BITS_PER_LONG) { + key_press = state & BIT(bit_nr); + /* The meaning of SSR register depends on pull mode. */ + key_press = pull_mode ? !key_press : key_press; + row = BIT_TO_ROW_SSRN(bit_nr, reg_num); + col = BIT_TO_COL(bit_nr); + keycode = bcm_kp_get_keycode(kp, row, col); + input_report_key(kp->input_dev, keycode, key_press); + } +} + +static irqreturn_t bcm_kp_isr_thread(int irq, void *dev_id) +{ + struct bcm_kp *kp = dev_id; + int pull_mode = (kp->kpcr >> KPCR_MODE_SHIFT) & KPCR_MODE_MASK; + int reg_num; + + for (reg_num = 0; reg_num <= 1; reg_num++) + bcm_kp_report_keys(kp, reg_num, pull_mode); + + input_sync(kp->input_dev); + + return IRQ_HANDLED; +} + +static int bcm_kp_start(struct bcm_kp *kp) +{ + int error; + + if (kp->clk) { + error = clk_prepare_enable(kp->clk); + if (error) + return error; + } + + writel(kp->kpior, kp->base + KPIOR_OFFSET); + + writel(kp->imr0_val, kp->base + KPIMR0_OFFSET); + writel(kp->imr1_val, kp->base + KPIMR1_OFFSET); + + writel(kp->kpemr, kp->base + KPEMR0_OFFSET); + writel(kp->kpemr, kp->base + KPEMR1_OFFSET); + writel(kp->kpemr, kp->base + KPEMR2_OFFSET); + writel(kp->kpemr, kp->base + KPEMR3_OFFSET); + + writel(0xFFFFFFFF, kp->base + KPICR0_OFFSET); + writel(0xFFFFFFFF, kp->base + KPICR1_OFFSET); + + kp->last_state[0] = readl(kp->base + KPSSR0_OFFSET); + kp->last_state[0] = readl(kp->base + KPSSR1_OFFSET); + + writel(kp->kpcr | KPCR_ENABLE, kp->base + KPCR_OFFSET); + + return 0; +} + +static void bcm_kp_stop(const struct bcm_kp *kp) +{ + u32 val; + + val = readl(kp->base + KPCR_OFFSET); + val &= ~KPCR_ENABLE; + writel(0, kp->base + KPCR_OFFSET); + writel(0, kp->base + KPIMR0_OFFSET); + writel(0, kp->base + KPIMR1_OFFSET); + writel(0xFFFFFFFF, kp->base + KPICR0_OFFSET); + writel(0xFFFFFFFF, kp->base + KPICR1_OFFSET); + + if (kp->clk) + clk_disable_unprepare(kp->clk); +} + +static int bcm_kp_open(struct input_dev *dev) +{ + struct bcm_kp *kp = input_get_drvdata(dev); + + return bcm_kp_start(kp); +} + +static void bcm_kp_close(struct input_dev *dev) +{ + struct bcm_kp *kp = input_get_drvdata(dev); + + bcm_kp_stop(kp); +} + +static int bcm_kp_matrix_key_parse_dt(struct bcm_kp *kp) +{ + struct device *dev = kp->input_dev->dev.parent; + struct device_node *np = dev->of_node; + int error; + unsigned int dt_val; + unsigned int i; + unsigned int num_rows, col_mask, rows_set; + + /* Initialize the KPCR Keypad Configuration Register */ + kp->kpcr = KPCR_STATUSFILTERENABLE | KPCR_COLFILTERENABLE; + + error = matrix_keypad_parse_of_params(dev, &kp->n_rows, &kp->n_cols); + if (error) { + dev_err(dev, "failed to parse kp params\n"); + return error; + } + + /* Set row width for the ASIC block. */ + kp->kpcr |= (kp->n_rows - 1) << KPCR_ROWWIDTH_SHIFT; + + /* Set column width for the ASIC block. */ + kp->kpcr |= (kp->n_cols - 1) << KPCR_COLUMNWIDTH_SHIFT; + + /* Configure the IMR registers */ + + /* + * IMR registers contain interrupt enable bits for 8x8 matrix + * IMR0 register format: <row3> <row2> <row1> <row0> + * IMR1 register format: <row7> <row6> <row5> <row4> + */ + col_mask = (1 << (kp->n_cols)) - 1; + num_rows = kp->n_rows; + + /* Set column bits in rows 0 to 3 in IMR0 */ + kp->imr0_val = col_mask; + + rows_set = 1; + while (--num_rows && rows_set++ < 4) + kp->imr0_val |= kp->imr0_val << MAX_COLS; + + /* Set column bits in rows 4 to 7 in IMR1 */ + kp->imr1_val = 0; + if (num_rows) { + kp->imr1_val = col_mask; + while (--num_rows) + kp->imr1_val |= kp->imr1_val << MAX_COLS; + } + + /* Initialize the KPEMR Keypress Edge Mode Registers */ + /* Trigger on both edges */ + kp->kpemr = 0; + for (i = 0; i <= 30; i += 2) + kp->kpemr |= (KPEMR_EDGETYPE_BOTH << i); + + /* + * Obtain the Status filter debounce value and verify against the + * possible values specified in the DT binding. + */ + of_property_read_u32(np, "status-debounce-filter-period", &dt_val); + + if (dt_val > KPCR_STATUSFILTERTYPE_MAX) { + dev_err(dev, "Invalid Status filter debounce value %d\n", + dt_val); + return -EINVAL; + } + + kp->kpcr |= dt_val << KPCR_STATUSFILTERTYPE_SHIFT; + + /* + * Obtain the Column filter debounce value and verify against the + * possible values specified in the DT binding. + */ + of_property_read_u32(np, "col-debounce-filter-period", &dt_val); + + if (dt_val > KPCR_COLFILTERTYPE_MAX) { + dev_err(dev, "Invalid Column filter debounce value %d\n", + dt_val); + return -EINVAL; + } + + kp->kpcr |= dt_val << KPCR_COLFILTERTYPE_SHIFT; + + /* + * Determine between the row and column, + * which should be configured as output. + */ + if (of_property_read_bool(np, "row-output-enabled")) { + /* + * Set RowOContrl or ColumnOContrl in KPIOR + * to the number of pins to drive as outputs + */ + kp->kpior = ((1 << kp->n_rows) - 1) << + KPIOR_ROWOCONTRL_SHIFT; + } else { + kp->kpior = ((1 << kp->n_cols) - 1) << + KPIOR_COLUMNOCONTRL_SHIFT; + } + + /* + * Determine if the scan pull up needs to be enabled + */ + if (of_property_read_bool(np, "pull-up-enabled")) + kp->kpcr |= KPCR_MODE; + + dev_dbg(dev, "n_rows=%d n_col=%d kpcr=%x kpior=%x kpemr=%x\n", + kp->n_rows, kp->n_cols, + kp->kpcr, kp->kpior, kp->kpemr); + + return 0; +} + + +static int bcm_kp_probe(struct platform_device *pdev) +{ + struct bcm_kp *kp; + struct input_dev *input_dev; + struct resource *res; + int error; + + kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL); + if (!kp) + return -ENOMEM; + + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) { + dev_err(&pdev->dev, "failed to allocate the input device\n"); + return -ENOMEM; + } + + __set_bit(EV_KEY, input_dev->evbit); + + /* Enable auto repeat feature of Linux input subsystem */ + if (of_property_read_bool(pdev->dev.of_node, "autorepeat")) + __set_bit(EV_REP, input_dev->evbit); + + input_dev->name = pdev->name; + input_dev->phys = "keypad/input0"; + input_dev->dev.parent = &pdev->dev; + input_dev->open = bcm_kp_open; + input_dev->close = bcm_kp_close; + + input_dev->id.bustype = BUS_HOST; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + + input_set_drvdata(input_dev, kp); + + kp->input_dev = input_dev; + + platform_set_drvdata(pdev, kp); + + error = bcm_kp_matrix_key_parse_dt(kp); + if (error) + return error; + + error = matrix_keypad_build_keymap(NULL, NULL, + kp->n_rows, kp->n_cols, + NULL, input_dev); + if (error) { + dev_err(&pdev->dev, "failed to build keymap\n"); + return error; + } + + /* Get the KEYPAD base address */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Missing keypad base address resource\n"); + return -ENODEV; + } + + kp->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(kp->base)) + return PTR_ERR(kp->base); + + /* Enable clock */ + kp->clk = devm_clk_get(&pdev->dev, "peri_clk"); + if (IS_ERR(kp->clk)) { + error = PTR_ERR(kp->clk); + if (error != -ENOENT) { + if (error != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get clock\n"); + return error; + } + dev_dbg(&pdev->dev, + "No clock specified. Assuming it's enabled\n"); + kp->clk = NULL; + } else { + unsigned int desired_rate; + long actual_rate; + + error = of_property_read_u32(pdev->dev.of_node, + "clock-frequency", &desired_rate); + if (error < 0) + desired_rate = DEFAULT_CLK_HZ; + + actual_rate = clk_round_rate(kp->clk, desired_rate); + if (actual_rate <= 0) + return -EINVAL; + + error = clk_set_rate(kp->clk, actual_rate); + if (error) + return error; + + error = clk_prepare_enable(kp->clk); + if (error) + return error; + } + + /* Put the kp into a known sane state */ + bcm_kp_stop(kp); + + kp->irq = platform_get_irq(pdev, 0); + if (kp->irq < 0) { + dev_err(&pdev->dev, "no IRQ specified\n"); + return -EINVAL; + } + + error = devm_request_threaded_irq(&pdev->dev, kp->irq, + NULL, bcm_kp_isr_thread, + IRQF_ONESHOT, pdev->name, kp); + if (error) { + dev_err(&pdev->dev, "failed to request IRQ\n"); + return error; + } + + error = input_register_device(input_dev); + if (error) { + dev_err(&pdev->dev, "failed to register input device\n"); + return error; + } + + return 0; +} + +static const struct of_device_id bcm_kp_of_match[] = { + { .compatible = "brcm,bcm-keypad" }, + { }, +}; +MODULE_DEVICE_TABLE(of, bcm_kp_of_match); + +static struct platform_driver bcm_kp_device_driver = { + .probe = bcm_kp_probe, + .driver = { + .name = "bcm-keypad", + .of_match_table = of_match_ptr(bcm_kp_of_match), + } +}; + +module_platform_driver(bcm_kp_device_driver); + +MODULE_AUTHOR("Broadcom Corporation"); +MODULE_DESCRIPTION("BCM Keypad Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/keyboard/clps711x-keypad.c b/drivers/input/keyboard/clps711x-keypad.c index 27ef29f8fe6a..b637f1af842e 100644 --- a/drivers/input/keyboard/clps711x-keypad.c +++ b/drivers/input/keyboard/clps711x-keypad.c @@ -120,14 +120,9 @@ static int clps711x_keypad_probe(struct platform_device *pdev) for (i = 0; i < priv->row_count; i++) { struct clps711x_gpio_data *data = &priv->gpio_data[i]; - data->desc = devm_gpiod_get_index(dev, "row", i); - if (!data->desc) - return -EINVAL; - + data->desc = devm_gpiod_get_index(dev, "row", i, GPIOD_IN); if (IS_ERR(data->desc)) return PTR_ERR(data->desc); - - gpiod_direction_input(data->desc); } err = of_property_read_u32(np, "poll-interval", &poll_interval); diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index ffa989f2c785..b01966dc7eb3 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -148,16 +148,28 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev, static int cros_ec_keyb_get_state(struct cros_ec_keyb *ckdev, uint8_t *kb_state) { - struct cros_ec_command msg = { - .version = 0, - .command = EC_CMD_MKBP_STATE, - .outdata = NULL, - .outsize = 0, - .indata = kb_state, - .insize = ckdev->cols, - }; - - return cros_ec_cmd_xfer(ckdev->ec, &msg); + int ret = 0; + struct cros_ec_command *msg; + + msg = kmalloc(sizeof(*msg) + ckdev->cols, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + msg->version = 0; + msg->command = EC_CMD_MKBP_STATE; + msg->insize = ckdev->cols; + msg->outsize = 0; + + ret = cros_ec_cmd_xfer(ckdev->ec, msg); + if (ret < 0) { + dev_err(ckdev->dev, "Error transferring EC message %d\n", ret); + goto exit; + } + + memcpy(kb_state, msg->data, ckdev->cols); +exit: + kfree(msg); + return ret; } static irqreturn_t cros_ec_keyb_irq(int irq, void *data) @@ -263,7 +275,7 @@ static int cros_ec_keyb_probe(struct platform_device *pdev) ckdev->dev = dev; dev_set_drvdata(&pdev->dev, ckdev); - idev->name = ec->ec_name; + idev->name = CROS_EC_DEV_NAME; idev->phys = ec->phys_name; __set_bit(EV_REP, idev->evbit); @@ -338,7 +350,7 @@ static int cros_ec_keyb_resume(struct device *dev) * wake source (e.g. the lid is open and the user might press a key to * wake) then the key scan buffer should be preserved. */ - if (ckdev->ec->was_wake_device) + if (!ckdev->ec->was_wake_device) cros_ec_keyb_clear_keyboard(ckdev); return 0; diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index 90df4df58b07..097d7216d98e 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -125,7 +125,7 @@ static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct device_for_each_child_node(dev, child) { struct gpio_desc *desc; - desc = devm_get_gpiod_from_child(dev, child); + desc = devm_get_gpiod_from_child(dev, NULL, child); if (IS_ERR(desc)) { error = PTR_ERR(desc); if (error != -EPROBE_DEFER) diff --git a/drivers/input/keyboard/ipaq-micro-keys.c b/drivers/input/keyboard/ipaq-micro-keys.c new file mode 100644 index 000000000000..602900d1f937 --- /dev/null +++ b/drivers/input/keyboard/ipaq-micro-keys.c @@ -0,0 +1,168 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * h3600 atmel micro companion support, key subdevice + * based on previous kernel 2.4 version + * Author : Alessandro Gardich <gremlin@gremlin.it> + * Author : Linus Walleij <linus.walleij@linaro.org> + * + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/interrupt.h> +#include <linux/sched.h> +#include <linux/pm.h> +#include <linux/sysctl.h> +#include <linux/proc_fs.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/mfd/ipaq-micro.h> + +struct ipaq_micro_keys { + struct ipaq_micro *micro; + struct input_dev *input; + u16 *codes; +}; + +static const u16 micro_keycodes[] = { + KEY_RECORD, /* 1: Record button */ + KEY_CALENDAR, /* 2: Calendar */ + KEY_ADDRESSBOOK, /* 3: Contacts (looks like Outlook) */ + KEY_MAIL, /* 4: Envelope (Q on older iPAQs) */ + KEY_HOMEPAGE, /* 5: Start (looks like swoopy arrow) */ + KEY_UP, /* 6: Up */ + KEY_RIGHT, /* 7: Right */ + KEY_LEFT, /* 8: Left */ + KEY_DOWN, /* 9: Down */ +}; + +static void micro_key_receive(void *data, int len, unsigned char *msg) +{ + struct ipaq_micro_keys *keys = data; + int key, down; + + down = 0x80 & msg[0]; + key = 0x7f & msg[0]; + + if (key < ARRAY_SIZE(micro_keycodes)) { + input_report_key(keys->input, keys->codes[key], down); + input_sync(keys->input); + } +} + +static void micro_key_start(struct ipaq_micro_keys *keys) +{ + spin_lock(&keys->micro->lock); + keys->micro->key = micro_key_receive; + keys->micro->key_data = keys; + spin_unlock(&keys->micro->lock); +} + +static void micro_key_stop(struct ipaq_micro_keys *keys) +{ + spin_lock(&keys->micro->lock); + keys->micro->key = NULL; + keys->micro->key_data = NULL; + spin_unlock(&keys->micro->lock); +} + +static int micro_key_open(struct input_dev *input) +{ + struct ipaq_micro_keys *keys = input_get_drvdata(input); + + micro_key_start(keys); + + return 0; +} + +static void micro_key_close(struct input_dev *input) +{ + struct ipaq_micro_keys *keys = input_get_drvdata(input); + + micro_key_stop(keys); +} + +static int micro_key_probe(struct platform_device *pdev) +{ + struct ipaq_micro_keys *keys; + int error; + int i; + + keys = devm_kzalloc(&pdev->dev, sizeof(*keys), GFP_KERNEL); + if (!keys) + return -ENOMEM; + + keys->micro = dev_get_drvdata(pdev->dev.parent); + + keys->input = devm_input_allocate_device(&pdev->dev); + if (!keys->input) + return -ENOMEM; + + keys->input->keycodesize = sizeof(micro_keycodes[0]); + keys->input->keycodemax = ARRAY_SIZE(micro_keycodes); + keys->codes = devm_kmemdup(&pdev->dev, micro_keycodes, + keys->input->keycodesize * keys->input->keycodemax, + GFP_KERNEL); + keys->input->keycode = keys->codes; + + __set_bit(EV_KEY, keys->input->evbit); + for (i = 0; i < ARRAY_SIZE(micro_keycodes); i++) + __set_bit(micro_keycodes[i], keys->input->keybit); + + keys->input->name = "h3600 micro keys"; + keys->input->open = micro_key_open; + keys->input->close = micro_key_close; + input_set_drvdata(keys->input, keys); + + error = input_register_device(keys->input); + if (error) + return error; + + platform_set_drvdata(pdev, keys); + return 0; +} + +static int __maybe_unused micro_key_suspend(struct device *dev) +{ + struct ipaq_micro_keys *keys = dev_get_drvdata(dev); + + micro_key_stop(keys); + + return 0; +} + +static int __maybe_unused micro_key_resume(struct device *dev) +{ + struct ipaq_micro_keys *keys = dev_get_drvdata(dev); + struct input_dev *input = keys->input; + + mutex_lock(&input->mutex); + + if (input->users) + micro_key_start(keys); + + mutex_unlock(&input->mutex); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(micro_key_dev_pm_ops, + micro_key_suspend, micro_key_resume); + +static struct platform_driver micro_key_device_driver = { + .driver = { + .name = "ipaq-micro-keys", + .pm = µ_key_dev_pm_ops, + }, + .probe = micro_key_probe, +}; +module_platform_driver(micro_key_device_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("driver for iPAQ Atmel micro keys"); +MODULE_ALIAS("platform:ipaq-micro-keys"); diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c index 9081cbef11ea..0ad422b8a260 100644 --- a/drivers/input/keyboard/lm8333.c +++ b/drivers/input/keyboard/lm8333.c @@ -1,6 +1,6 @@ /* * LM8333 keypad driver - * Copyright (C) 2012 Wolfram Sang, Pengutronix <w.sang@pengutronix.de> + * Copyright (C) 2012 Wolfram Sang, Pengutronix <kernel@pengutronix.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -231,6 +231,6 @@ static struct i2c_driver lm8333_driver = { }; module_i2c_driver(lm8333_driver); -MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>"); +MODULE_AUTHOR("Wolfram Sang <kernel@pengutronix.de>"); MODULE_DESCRIPTION("LM8333 keyboard driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c index faa6da53eba8..5091133b7b8e 100644 --- a/drivers/input/keyboard/max7359_keypad.c +++ b/drivers/input/keyboard/max7359_keypad.c @@ -84,26 +84,6 @@ static int max7359_read_reg(struct i2c_client *client, int reg) return ret; } -static void max7359_build_keycode(struct max7359_keypad *keypad, - const struct matrix_keymap_data *keymap_data) -{ - struct input_dev *input_dev = keypad->input_dev; - int i; - - for (i = 0; i < keymap_data->keymap_size; i++) { - unsigned int key = keymap_data->keymap[i]; - unsigned int row = KEY_ROW(key); - unsigned int col = KEY_COL(key); - unsigned int scancode = MATRIX_SCAN_CODE(row, col, - MAX7359_ROW_SHIFT); - unsigned short keycode = KEY_VAL(key); - - keypad->keycodes[scancode] = keycode; - __set_bit(keycode, input_dev->keybit); - } - __clear_bit(KEY_RESERVED, input_dev->keybit); -} - /* runs in an IRQ thread -- can (and will!) sleep */ static irqreturn_t max7359_interrupt(int irq, void *dev_id) { @@ -166,7 +146,6 @@ static void max7359_close(struct input_dev *dev) static void max7359_initialize(struct i2c_client *client) { max7359_write_reg(client, MAX7359_REG_CONFIG, - MAX7359_CFG_INTERRUPT | /* Irq clears after host read */ MAX7359_CFG_KEY_RELEASE | /* Key release enable */ MAX7359_CFG_WAKEUP); /* Key press wakeup enable */ @@ -233,7 +212,15 @@ static int max7359_probe(struct i2c_client *client, input_set_capability(input_dev, EV_MSC, MSC_SCAN); input_set_drvdata(input_dev, keypad); - max7359_build_keycode(keypad, keymap_data); + error = matrix_keypad_build_keymap(keymap_data, NULL, + MAX7359_MAX_KEY_ROWS, + MAX7359_MAX_KEY_COLS, + keypad->keycodes, + input_dev); + if (error) { + dev_err(&client->dev, "failed to build keymap\n"); + return error; + } error = devm_request_threaded_irq(&client->dev, client->irq, NULL, max7359_interrupt, diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 6b9fdf6cf8e8..43e48dac7687 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -585,7 +585,7 @@ static const struct of_device_id samsung_keypad_dt_match[] = { MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match); #endif -static struct platform_device_id samsung_keypad_driver_ids[] = { +static const struct platform_device_id samsung_keypad_driver_ids[] = { { .name = "samsung-keypad", .driver_data = KEYPAD_TYPE_SAMSUNG, diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index f42a543db043..623d451767e3 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -3,7 +3,7 @@ * Based on omap-keypad driver * * Copyright (C) 2010 ST Microelectronics - * Rajeev Kumar<rajeev-dlh.kumar@st.com> + * Rajeev Kumar <rajeevkumar.linux@gmail.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c index 563932500ff1..31c606a4dd31 100644 --- a/drivers/input/keyboard/tc3589x-keypad.c +++ b/drivers/input/keyboard/tc3589x-keypad.c @@ -70,6 +70,28 @@ #define TC3589x_KBD_INT_CLR 0x1 /** + * struct tc35893_keypad_platform_data - platform specific keypad data + * @keymap_data: matrix scan code table for keycodes + * @krow: mask for available rows, value is 0xFF + * @kcol: mask for available columns, value is 0xFF + * @debounce_period: platform specific debounce time + * @settle_time: platform specific settle down time + * @irqtype: type of interrupt, falling or rising edge + * @enable_wakeup: specifies if keypad event can wake up system from sleep + * @no_autorepeat: flag for auto repetition + */ +struct tc3589x_keypad_platform_data { + const struct matrix_keymap_data *keymap_data; + u8 krow; + u8 kcol; + u8 debounce_period; + u8 settle_time; + unsigned long irqtype; + bool enable_wakeup; + bool no_autorepeat; +}; + +/** * struct tc_keypad - data structure used by keypad driver * @tc3589x: pointer to tc35893 * @input: pointer to input device object @@ -296,7 +318,6 @@ static void tc3589x_keypad_close(struct input_dev *input) tc3589x_keypad_disable(keypad); } -#ifdef CONFIG_OF static const struct tc3589x_keypad_platform_data * tc3589x_keypad_of_probe(struct device *dev) { @@ -346,14 +367,6 @@ tc3589x_keypad_of_probe(struct device *dev) return plat; } -#else -static inline const struct tc3589x_keypad_platform_data * -tc3589x_keypad_of_probe(struct device *dev) -{ - return ERR_PTR(-ENODEV); -} -#endif - static int tc3589x_keypad_probe(struct platform_device *pdev) { @@ -363,13 +376,10 @@ static int tc3589x_keypad_probe(struct platform_device *pdev) const struct tc3589x_keypad_platform_data *plat; int error, irq; - plat = tc3589x->pdata->keypad; - if (!plat) { - plat = tc3589x_keypad_of_probe(&pdev->dev); - if (IS_ERR(plat)) { - dev_err(&pdev->dev, "invalid keypad platform data\n"); - return PTR_ERR(plat); - } + plat = tc3589x_keypad_of_probe(&pdev->dev); + if (IS_ERR(plat)) { + dev_err(&pdev->dev, "invalid keypad platform data\n"); + return PTR_ERR(plat); } irq = platform_get_irq(pdev, 0); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 6deb8dae3205..d4f0a817e858 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -115,6 +115,18 @@ config INPUT_PCSPKR To compile this driver as a module, choose M here: the module will be called pcspkr. +config INPUT_PM8941_PWRKEY + tristate "Qualcomm PM8941 power key support" + depends on MFD_SPMI_PMIC + help + Say Y here if you want support for the power key usually found + on boards using a Qualcomm PM8941 compatible PMIC. + + If unsure, say Y. + + To compile this driver as a module, choose M here: the module + will be called pm8941-pwrkey. + config INPUT_PM8XXX_VIBRATOR tristate "Qualcomm PM8XXX vibrator support" depends on MFD_PM8XXX @@ -165,6 +177,18 @@ config INPUT_MAX77693_HAPTIC To compile this driver as module, choose M here: the module will be called max77693-haptic. +config INPUT_MAX77843_HAPTIC + tristate "MAXIM MAX77843 haptic controller support" + depends on MFD_MAX77843 && REGULATOR + select INPUT_FF_MEMLESS + help + This option enables support for the haptic controller on + MAXIM MAX77843 chip. The driver supports ff-memless interface + from input framework. + + To compile this driver as module, choose M here: the + module will be called max77843-haptic. + config INPUT_MAX8925_ONKEY tristate "MAX8925 ONKEY support" depends on MFD_MAX8925 @@ -586,6 +610,16 @@ config INPUT_DA9055_ONKEY To compile this driver as a module, choose M here: the module will be called da9055_onkey. +config INPUT_DA9063_ONKEY + tristate "Dialog DA9063 OnKey" + depends on MFD_DA9063 + help + Support the ONKEY of Dialog DA9063 Power Management IC as an + input device reporting power button statue. + + To compile this driver as a module, choose M here: the module + will be called da9063_onkey. + config INPUT_DM355EVM tristate "TI DaVinci DM355 EVM Keypad and IR Remote" depends on MFD_DM355EVM_MSP @@ -751,6 +785,17 @@ config INPUT_DRV260X_HAPTICS To compile this driver as a module, choose M here: the module will be called drv260x-haptics. +config INPUT_DRV2665_HAPTICS + tristate "TI DRV2665 haptics support" + depends on INPUT && I2C + select INPUT_FF_MEMLESS + select REGMAP_I2C + help + Say Y to enable support for the TI DRV2665 haptics driver. + + To compile this driver as a module, choose M here: the + module will be called drv2665-haptics. + config INPUT_DRV2667_HAPTICS tristate "TI DRV2667 haptics support" depends on INPUT && I2C @@ -760,6 +805,6 @@ config INPUT_DRV2667_HAPTICS Say Y to enable support for the TI DRV2667 haptics driver. To compile this driver as a module, choose M here: the - module will be called drv260x-haptics. + module will be called drv2667-haptics. endif diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 403a1a54a76c..53df07dcc23c 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -25,9 +25,11 @@ obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o obj-$(CONFIG_INPUT_DA9052_ONKEY) += da9052_onkey.o obj-$(CONFIG_INPUT_DA9055_ONKEY) += da9055_onkey.o +obj-$(CONFIG_INPUT_DA9063_ONKEY) += da9063_onkey.o obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o obj-$(CONFIG_INPUT_E3X0_BUTTON) += e3x0-button.o obj-$(CONFIG_INPUT_DRV260X_HAPTICS) += drv260x.o +obj-$(CONFIG_INPUT_DRV2665_HAPTICS) += drv2665.o obj-$(CONFIG_INPUT_DRV2667_HAPTICS) += drv2667.o obj-$(CONFIG_INPUT_GP2A) += gp2ap002a00f.o obj-$(CONFIG_INPUT_GPIO_BEEPER) += gpio-beeper.o @@ -39,6 +41,7 @@ obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o obj-$(CONFIG_INPUT_MAX77693_HAPTIC) += max77693-haptic.o +obj-$(CONFIG_INPUT_MAX77843_HAPTIC) += max77843-haptic.o obj-$(CONFIG_INPUT_MAX8925_ONKEY) += max8925_onkey.o obj-$(CONFIG_INPUT_MAX8997_HAPTIC) += max8997_haptic.o obj-$(CONFIG_INPUT_MC13783_PWRBUTTON) += mc13783-pwrbutton.o @@ -49,6 +52,7 @@ obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o +obj-$(CONFIG_INPUT_PM8941_PWRKEY) += pm8941-pwrkey.o obj-$(CONFIG_INPUT_PM8XXX_VIBRATOR) += pm8xxx-vibrator.o obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY) += pmic8xxx-pwrkey.o obj-$(CONFIG_INPUT_POWERMATE) += powermate.o diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c index 470bfd6f0830..bdb5d03b296e 100644 --- a/drivers/input/misc/adxl34x-i2c.c +++ b/drivers/input/misc/adxl34x-i2c.c @@ -10,6 +10,7 @@ #include <linux/input.h> /* BUS_I2C */ #include <linux/i2c.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/types.h> #include <linux/pm.h> #include "adxl34x.h" @@ -135,11 +136,31 @@ static const struct i2c_device_id adxl34x_id[] = { MODULE_DEVICE_TABLE(i2c, adxl34x_id); +#ifdef CONFIG_OF +static const struct of_device_id adxl34x_of_id[] = { + /* + * The ADXL346 is backward-compatible with the ADXL345. Differences are + * handled by runtime detection of the device model, there's thus no + * need for listing the "adi,adxl346" compatible value explicitly. + */ + { .compatible = "adi,adxl345", }, + /* + * Deprecated, DT nodes should use one or more of the device-specific + * compatible values "adi,adxl345" and "adi,adxl346". + */ + { .compatible = "adi,adxl34x", }, + { } +}; + +MODULE_DEVICE_TABLE(of, adxl34x_of_id); +#endif + static struct i2c_driver adxl34x_driver = { .driver = { .name = "adxl34x", .owner = THIS_MODULE, .pm = &adxl34x_i2c_pm, + .of_match_table = of_match_ptr(adxl34x_of_id), }, .probe = adxl34x_i2c_probe, .remove = adxl34x_i2c_remove, diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c new file mode 100644 index 000000000000..f577585ef999 --- /dev/null +++ b/drivers/input/misc/da9063_onkey.c @@ -0,0 +1,226 @@ +/* + * OnKey device driver for DA9063 + * Copyright (C) 2015 Dialog Semiconductor Ltd. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/workqueue.h> +#include <linux/regmap.h> +#include <linux/of.h> +#include <linux/mfd/da9063/core.h> +#include <linux/mfd/da9063/pdata.h> +#include <linux/mfd/da9063/registers.h> + +struct da9063_onkey { + struct da9063 *hw; + struct delayed_work work; + struct input_dev *input; + struct device *dev; + bool key_power; +}; + +static void da9063_poll_on(struct work_struct *work) +{ + struct da9063_onkey *onkey = container_of(work, struct da9063_onkey, + work.work); + unsigned int val; + int fault_log = 0; + bool poll = true; + int error; + + /* Poll to see when the pin is released */ + error = regmap_read(onkey->hw->regmap, DA9063_REG_STATUS_A, &val); + if (error) { + dev_err(onkey->dev, + "Failed to read ON status: %d\n", error); + goto err_poll; + } + + if (!(val & DA9063_NONKEY)) { + error = regmap_update_bits(onkey->hw->regmap, + DA9063_REG_CONTROL_B, + DA9063_NONKEY_LOCK, 0); + if (error) { + dev_err(onkey->dev, + "Failed to reset the Key Delay %d\n", error); + goto err_poll; + } + + input_report_key(onkey->input, KEY_POWER, 0); + input_sync(onkey->input); + + poll = false; + } + + /* + * If the fault log KEY_RESET is detected, then clear it + * and shut down the system. + */ + error = regmap_read(onkey->hw->regmap, + DA9063_REG_FAULT_LOG, &fault_log); + if (error) { + dev_warn(&onkey->input->dev, + "Cannot read FAULT_LOG: %d\n", error); + } else if (fault_log & DA9063_KEY_RESET) { + error = regmap_write(onkey->hw->regmap, + DA9063_REG_FAULT_LOG, + DA9063_KEY_RESET); + if (error) { + dev_warn(&onkey->input->dev, + "Cannot reset KEY_RESET fault log: %d\n", + error); + } else { + /* at this point we do any S/W housekeeping + * and then send shutdown command + */ + dev_dbg(&onkey->input->dev, + "Sending SHUTDOWN to DA9063 ...\n"); + error = regmap_write(onkey->hw->regmap, + DA9063_REG_CONTROL_F, + DA9063_SHUTDOWN); + if (error) + dev_err(&onkey->input->dev, + "Cannot SHUTDOWN DA9063: %d\n", + error); + } + } + +err_poll: + if (poll) + schedule_delayed_work(&onkey->work, msecs_to_jiffies(50)); +} + +static irqreturn_t da9063_onkey_irq_handler(int irq, void *data) +{ + struct da9063_onkey *onkey = data; + unsigned int val; + int error; + + error = regmap_read(onkey->hw->regmap, DA9063_REG_STATUS_A, &val); + if (onkey->key_power && !error && (val & DA9063_NONKEY)) { + input_report_key(onkey->input, KEY_POWER, 1); + input_sync(onkey->input); + schedule_delayed_work(&onkey->work, 0); + dev_dbg(onkey->dev, "KEY_POWER pressed.\n"); + } else { + input_report_key(onkey->input, KEY_SLEEP, 1); + input_sync(onkey->input); + input_report_key(onkey->input, KEY_SLEEP, 0); + input_sync(onkey->input); + dev_dbg(onkey->dev, "KEY_SLEEP pressed.\n"); + } + + return IRQ_HANDLED; +} + +static void da9063_cancel_poll(void *data) +{ + struct da9063_onkey *onkey = data; + + cancel_delayed_work_sync(&onkey->work); +} + +static int da9063_onkey_probe(struct platform_device *pdev) +{ + struct da9063 *da9063 = dev_get_drvdata(pdev->dev.parent); + struct da9063_pdata *pdata = dev_get_platdata(da9063->dev); + struct da9063_onkey *onkey; + int irq; + int error; + + onkey = devm_kzalloc(&pdev->dev, sizeof(struct da9063_onkey), + GFP_KERNEL); + if (!onkey) { + dev_err(&pdev->dev, "Failed to allocate memory.\n"); + return -ENOMEM; + } + + onkey->dev = &pdev->dev; + onkey->hw = da9063; + + if (pdata) + onkey->key_power = pdata->key_power; + else + onkey->key_power = + !of_property_read_bool(pdev->dev.of_node, + "dlg,disable-key-power"); + + onkey->input = devm_input_allocate_device(&pdev->dev); + if (!onkey->input) { + dev_err(&pdev->dev, "Failed to allocated input device.\n"); + return -ENOMEM; + } + + onkey->input->name = DA9063_DRVNAME_ONKEY; + onkey->input->phys = DA9063_DRVNAME_ONKEY "/input0"; + onkey->input->dev.parent = &pdev->dev; + + if (onkey->key_power) + input_set_capability(onkey->input, EV_KEY, KEY_POWER); + + input_set_capability(onkey->input, EV_KEY, KEY_SLEEP); + + INIT_DELAYED_WORK(&onkey->work, da9063_poll_on); + + error = devm_add_action(&pdev->dev, da9063_cancel_poll, onkey); + if (error) { + dev_err(&pdev->dev, + "Failed to add cancel poll action: %d\n", + error); + return error; + } + + irq = platform_get_irq_byname(pdev, "ONKEY"); + if (irq < 0) { + error = irq; + dev_err(&pdev->dev, "Failed to get platform IRQ: %d\n", error); + return error; + } + + error = devm_request_threaded_irq(&pdev->dev, irq, + NULL, da9063_onkey_irq_handler, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "ONKEY", onkey); + if (error) { + dev_err(&pdev->dev, + "Failed to request IRQ %d: %d\n", irq, error); + return error; + } + + error = input_register_device(onkey->input); + if (error) { + dev_err(&pdev->dev, + "Failed to register input device: %d\n", error); + return error; + } + + platform_set_drvdata(pdev, onkey); + return 0; +} + +static struct platform_driver da9063_onkey_driver = { + .probe = da9063_onkey_probe, + .driver = { + .name = DA9063_DRVNAME_ONKEY, + }, +}; +module_platform_driver(da9063_onkey_driver); + +MODULE_AUTHOR("S Twiss <stwiss.opensource@diasemi.com>"); +MODULE_DESCRIPTION("Onkey device driver for Dialog DA9063"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DA9063_DRVNAME_ONKEY); diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 599578042ea0..e5d60ecd29a4 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -580,15 +580,10 @@ static int drv260x_probe(struct i2c_client *client, return error; } - haptics->enable_gpio = devm_gpiod_get(&client->dev, "enable"); - if (IS_ERR(haptics->enable_gpio)) { - error = PTR_ERR(haptics->enable_gpio); - if (error != -ENOENT && error != -ENOSYS) - return error; - haptics->enable_gpio = NULL; - } else { - gpiod_direction_output(haptics->enable_gpio, 1); - } + haptics->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", + GPIOD_OUT_HIGH); + if (IS_ERR(haptics->enable_gpio)) + return PTR_ERR(haptics->enable_gpio); haptics->input_dev = devm_input_allocate_device(&client->dev); if (!haptics->input_dev) { diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c new file mode 100644 index 000000000000..0afaa33de07d --- /dev/null +++ b/drivers/input/misc/drv2665.c @@ -0,0 +1,322 @@ +/* + * DRV2665 haptics driver family + * + * Author: Dan Murphy <dmurphy@ti.com> + * + * Copyright: (C) 2015 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/regulator/consumer.h> + +/* Contol registers */ +#define DRV2665_STATUS 0x00 +#define DRV2665_CTRL_1 0x01 +#define DRV2665_CTRL_2 0x02 +#define DRV2665_FIFO 0x0b + +/* Status Register */ +#define DRV2665_FIFO_FULL BIT(0) +#define DRV2665_FIFO_EMPTY BIT(1) + +/* Control 1 Register */ +#define DRV2665_25_VPP_GAIN 0x00 +#define DRV2665_50_VPP_GAIN 0x01 +#define DRV2665_75_VPP_GAIN 0x02 +#define DRV2665_100_VPP_GAIN 0x03 +#define DRV2665_DIGITAL_IN 0xfc +#define DRV2665_ANALOG_IN BIT(2) + +/* Control 2 Register */ +#define DRV2665_BOOST_EN BIT(1) +#define DRV2665_STANDBY BIT(6) +#define DRV2665_DEV_RST BIT(7) +#define DRV2665_5_MS_IDLE_TOUT 0x00 +#define DRV2665_10_MS_IDLE_TOUT 0x04 +#define DRV2665_15_MS_IDLE_TOUT 0x08 +#define DRV2665_20_MS_IDLE_TOUT 0x0c + +/** + * struct drv2665_data - + * @input_dev - Pointer to the input device + * @client - Pointer to the I2C client + * @regmap - Register map of the device + * @work - Work item used to off load the enable/disable of the vibration + * @regulator - Pointer to the regulator for the IC + */ +struct drv2665_data { + struct input_dev *input_dev; + struct i2c_client *client; + struct regmap *regmap; + struct work_struct work; + struct regulator *regulator; +}; + +/* 8kHz Sine wave to stream to the FIFO */ +static const u8 drv2665_sine_wave_form[] = { + 0x00, 0x10, 0x20, 0x2e, 0x3c, 0x48, 0x53, 0x5b, 0x61, 0x65, 0x66, + 0x65, 0x61, 0x5b, 0x53, 0x48, 0x3c, 0x2e, 0x20, 0x10, + 0x00, 0xf0, 0xe0, 0xd2, 0xc4, 0xb8, 0xad, 0xa5, 0x9f, 0x9b, 0x9a, + 0x9b, 0x9f, 0xa5, 0xad, 0xb8, 0xc4, 0xd2, 0xe0, 0xf0, 0x00, +}; + +static struct reg_default drv2665_reg_defs[] = { + { DRV2665_STATUS, 0x02 }, + { DRV2665_CTRL_1, 0x28 }, + { DRV2665_CTRL_2, 0x40 }, + { DRV2665_FIFO, 0x00 }, +}; + +static void drv2665_worker(struct work_struct *work) +{ + struct drv2665_data *haptics = + container_of(work, struct drv2665_data, work); + unsigned int read_buf; + int error; + + error = regmap_read(haptics->regmap, DRV2665_STATUS, &read_buf); + if (error) { + dev_err(&haptics->client->dev, + "Failed to read status: %d\n", error); + return; + } + + if (read_buf & DRV2665_FIFO_EMPTY) { + error = regmap_bulk_write(haptics->regmap, + DRV2665_FIFO, + drv2665_sine_wave_form, + ARRAY_SIZE(drv2665_sine_wave_form)); + if (error) { + dev_err(&haptics->client->dev, + "Failed to write FIFO: %d\n", error); + return; + } + } +} + +static int drv2665_haptics_play(struct input_dev *input, void *data, + struct ff_effect *effect) +{ + struct drv2665_data *haptics = input_get_drvdata(input); + + schedule_work(&haptics->work); + + return 0; +} + +static void drv2665_close(struct input_dev *input) +{ + struct drv2665_data *haptics = input_get_drvdata(input); + int error; + + cancel_work_sync(&haptics->work); + + error = regmap_update_bits(haptics->regmap, + DRV2665_CTRL_2, DRV2665_STANDBY, 1); + if (error) + dev_err(&haptics->client->dev, + "Failed to enter standby mode: %d\n", error); +} + +static const struct reg_default drv2665_init_regs[] = { + { DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT }, + { DRV2665_CTRL_1, DRV2665_25_VPP_GAIN }, +}; + +static int drv2665_init(struct drv2665_data *haptics) +{ + int error; + + error = regmap_register_patch(haptics->regmap, + drv2665_init_regs, + ARRAY_SIZE(drv2665_init_regs)); + if (error) { + dev_err(&haptics->client->dev, + "Failed to write init registers: %d\n", + error); + return error; + } + + return 0; +} + +static const struct regmap_config drv2665_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = DRV2665_FIFO, + .reg_defaults = drv2665_reg_defs, + .num_reg_defaults = ARRAY_SIZE(drv2665_reg_defs), + .cache_type = REGCACHE_NONE, +}; + +static int drv2665_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct drv2665_data *haptics; + int error; + + haptics = devm_kzalloc(&client->dev, sizeof(*haptics), GFP_KERNEL); + if (!haptics) + return -ENOMEM; + + haptics->regulator = devm_regulator_get(&client->dev, "vbat"); + if (IS_ERR(haptics->regulator)) { + error = PTR_ERR(haptics->regulator); + dev_err(&client->dev, + "unable to get regulator, error: %d\n", error); + return error; + } + + haptics->input_dev = devm_input_allocate_device(&client->dev); + if (!haptics->input_dev) { + dev_err(&client->dev, "Failed to allocate input device\n"); + return -ENOMEM; + } + + haptics->input_dev->name = "drv2665:haptics"; + haptics->input_dev->dev.parent = client->dev.parent; + haptics->input_dev->close = drv2665_close; + input_set_drvdata(haptics->input_dev, haptics); + input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE); + + error = input_ff_create_memless(haptics->input_dev, NULL, + drv2665_haptics_play); + if (error) { + dev_err(&client->dev, "input_ff_create() failed: %d\n", + error); + return error; + } + + INIT_WORK(&haptics->work, drv2665_worker); + + haptics->client = client; + i2c_set_clientdata(client, haptics); + + haptics->regmap = devm_regmap_init_i2c(client, &drv2665_regmap_config); + if (IS_ERR(haptics->regmap)) { + error = PTR_ERR(haptics->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + error); + return error; + } + + error = drv2665_init(haptics); + if (error) { + dev_err(&client->dev, "Device init failed: %d\n", error); + return error; + } + + error = input_register_device(haptics->input_dev); + if (error) { + dev_err(&client->dev, "couldn't register input device: %d\n", + error); + return error; + } + + return 0; +} + +static int __maybe_unused drv2665_suspend(struct device *dev) +{ + struct drv2665_data *haptics = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&haptics->input_dev->mutex); + + if (haptics->input_dev->users) { + ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2, + DRV2665_STANDBY, 1); + if (ret) { + dev_err(dev, "Failed to set standby mode\n"); + regulator_disable(haptics->regulator); + goto out; + } + + ret = regulator_disable(haptics->regulator); + if (ret) { + dev_err(dev, "Failed to disable regulator\n"); + regmap_update_bits(haptics->regmap, + DRV2665_CTRL_2, + DRV2665_STANDBY, 0); + } + } +out: + mutex_unlock(&haptics->input_dev->mutex); + return ret; +} + +static int __maybe_unused drv2665_resume(struct device *dev) +{ + struct drv2665_data *haptics = dev_get_drvdata(dev); + int ret = 0; + + mutex_lock(&haptics->input_dev->mutex); + + if (haptics->input_dev->users) { + ret = regulator_enable(haptics->regulator); + if (ret) { + dev_err(dev, "Failed to enable regulator\n"); + goto out; + } + + ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2, + DRV2665_STANDBY, 0); + if (ret) { + dev_err(dev, "Failed to unset standby mode\n"); + regulator_disable(haptics->regulator); + goto out; + } + + } + +out: + mutex_unlock(&haptics->input_dev->mutex); + return ret; +} + +static SIMPLE_DEV_PM_OPS(drv2665_pm_ops, drv2665_suspend, drv2665_resume); + +static const struct i2c_device_id drv2665_id[] = { + { "drv2665", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, drv2665_id); + +#ifdef CONFIG_OF +static const struct of_device_id drv2665_of_match[] = { + { .compatible = "ti,drv2665", }, + { } +}; +MODULE_DEVICE_TABLE(of, drv2665_of_match); +#endif + +static struct i2c_driver drv2665_driver = { + .probe = drv2665_probe, + .driver = { + .name = "drv2665-haptics", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(drv2665_of_match), + .pm = &drv2665_pm_ops, + }, + .id_table = drv2665_id, +}; +module_i2c_driver(drv2665_driver); + +MODULE_DESCRIPTION("TI DRV2665 haptics driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>"); diff --git a/drivers/input/misc/gpio-beeper.c b/drivers/input/misc/gpio-beeper.c index 4817c5f0c3e4..16272fffeb7e 100644 --- a/drivers/input/misc/gpio-beeper.c +++ b/drivers/input/misc/gpio-beeper.c @@ -66,13 +66,12 @@ static int gpio_beeper_probe(struct platform_device *pdev) { struct gpio_beeper *beep; struct input_dev *input; - int err; beep = devm_kzalloc(&pdev->dev, sizeof(*beep), GFP_KERNEL); if (!beep) return -ENOMEM; - beep->desc = devm_gpiod_get(&pdev->dev, NULL); + beep->desc = devm_gpiod_get(&pdev->dev, NULL, GPIOD_OUT_LOW); if (IS_ERR(beep->desc)) return PTR_ERR(beep->desc); @@ -92,10 +91,6 @@ static int gpio_beeper_probe(struct platform_device *pdev) input_set_capability(input, EV_SND, SND_BELL); - err = gpiod_direction_output(beep->desc, 0); - if (err) - return err; - input_set_drvdata(input, beep); return input_register_device(input); diff --git a/drivers/input/misc/max77843-haptic.c b/drivers/input/misc/max77843-haptic.c new file mode 100644 index 000000000000..dccbb465a055 --- /dev/null +++ b/drivers/input/misc/max77843-haptic.c @@ -0,0 +1,358 @@ +/* + * MAXIM MAX77693 Haptic device driver + * + * Copyright (C) 2015 Samsung Electronics + * Author: Jaewon Kim <jaewon02.kim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/mfd/max77843-private.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/workqueue.h> + +#define MAX_MAGNITUDE_SHIFT 16 + +enum max77843_haptic_motor_type { + MAX77843_HAPTIC_ERM = 0, + MAX77843_HAPTIC_LRA, +}; + +enum max77843_haptic_pwm_divisor { + MAX77843_HAPTIC_PWM_DIVISOR_32 = 0, + MAX77843_HAPTIC_PWM_DIVISOR_64, + MAX77843_HAPTIC_PWM_DIVISOR_128, + MAX77843_HAPTIC_PWM_DIVISOR_256, +}; + +struct max77843_haptic { + struct regmap *regmap_haptic; + struct device *dev; + struct input_dev *input_dev; + struct pwm_device *pwm_dev; + struct regulator *motor_reg; + struct work_struct work; + struct mutex mutex; + + unsigned int magnitude; + unsigned int pwm_duty; + + bool active; + bool suspended; + + enum max77843_haptic_motor_type type; + enum max77843_haptic_pwm_divisor pwm_divisor; +}; + +static int max77843_haptic_set_duty_cycle(struct max77843_haptic *haptic) +{ + int delta = (haptic->pwm_dev->period + haptic->pwm_duty) / 2; + int error; + + error = pwm_config(haptic->pwm_dev, delta, haptic->pwm_dev->period); + if (error) { + dev_err(haptic->dev, "failed to configure pwm: %d\n", error); + return error; + } + + return 0; +} + +static int max77843_haptic_bias(struct max77843_haptic *haptic, bool on) +{ + int error; + + error = regmap_update_bits(haptic->regmap_haptic, + MAX77843_SYS_REG_MAINCTRL1, + MAX77843_MAINCTRL1_BIASEN_MASK, + on << MAINCTRL1_BIASEN_SHIFT); + if (error) { + dev_err(haptic->dev, "failed to %s bias: %d\n", + on ? "enable" : "disable", error); + return error; + } + + return 0; +} + +static int max77843_haptic_config(struct max77843_haptic *haptic, bool enable) +{ + unsigned int value; + int error; + + value = (haptic->type << MCONFIG_MODE_SHIFT) | + (enable << MCONFIG_MEN_SHIFT) | + (haptic->pwm_divisor << MCONFIG_PDIV_SHIFT); + + error = regmap_write(haptic->regmap_haptic, + MAX77843_HAP_REG_MCONFIG, value); + if (error) { + dev_err(haptic->dev, + "failed to update haptic config: %d\n", error); + return error; + } + + return 0; +} + +static int max77843_haptic_enable(struct max77843_haptic *haptic) +{ + int error; + + if (haptic->active) + return 0; + + error = pwm_enable(haptic->pwm_dev); + if (error) { + dev_err(haptic->dev, + "failed to enable pwm device: %d\n", error); + return error; + } + + error = max77843_haptic_config(haptic, true); + if (error) + goto err_config; + + haptic->active = true; + + return 0; + +err_config: + pwm_disable(haptic->pwm_dev); + + return error; +} + +static int max77843_haptic_disable(struct max77843_haptic *haptic) +{ + int error; + + if (!haptic->active) + return 0; + + error = max77843_haptic_config(haptic, false); + if (error) + return error; + + pwm_disable(haptic->pwm_dev); + + haptic->active = false; + + return 0; +} + +static void max77843_haptic_play_work(struct work_struct *work) +{ + struct max77843_haptic *haptic = + container_of(work, struct max77843_haptic, work); + int error; + + mutex_lock(&haptic->mutex); + + if (haptic->suspended) + goto out_unlock; + + if (haptic->magnitude) { + error = max77843_haptic_set_duty_cycle(haptic); + if (error) { + dev_err(haptic->dev, + "failed to set duty cycle: %d\n", error); + goto out_unlock; + } + + error = max77843_haptic_enable(haptic); + if (error) + dev_err(haptic->dev, + "cannot enable haptic: %d\n", error); + } else { + error = max77843_haptic_disable(haptic); + if (error) + dev_err(haptic->dev, + "cannot disable haptic: %d\n", error); + } + +out_unlock: + mutex_unlock(&haptic->mutex); +} + +static int max77843_haptic_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct max77843_haptic *haptic = input_get_drvdata(dev); + u64 period_mag_multi; + + haptic->magnitude = effect->u.rumble.strong_magnitude; + if (!haptic->magnitude) + haptic->magnitude = effect->u.rumble.weak_magnitude; + + period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude; + haptic->pwm_duty = (unsigned int)(period_mag_multi >> + MAX_MAGNITUDE_SHIFT); + + schedule_work(&haptic->work); + + return 0; +} + +static int max77843_haptic_open(struct input_dev *dev) +{ + struct max77843_haptic *haptic = input_get_drvdata(dev); + int error; + + error = max77843_haptic_bias(haptic, true); + if (error) + return error; + + error = regulator_enable(haptic->motor_reg); + if (error) { + dev_err(haptic->dev, + "failed to enable regulator: %d\n", error); + return error; + } + + return 0; +} + +static void max77843_haptic_close(struct input_dev *dev) +{ + struct max77843_haptic *haptic = input_get_drvdata(dev); + int error; + + cancel_work_sync(&haptic->work); + max77843_haptic_disable(haptic); + + error = regulator_disable(haptic->motor_reg); + if (error) + dev_err(haptic->dev, + "failed to disable regulator: %d\n", error); + + max77843_haptic_bias(haptic, false); +} + +static int max77843_haptic_probe(struct platform_device *pdev) +{ + struct max77843 *max77843 = dev_get_drvdata(pdev->dev.parent); + struct max77843_haptic *haptic; + int error; + + haptic = devm_kzalloc(&pdev->dev, sizeof(*haptic), GFP_KERNEL); + if (!haptic) + return -ENOMEM; + + haptic->regmap_haptic = max77843->regmap; + haptic->dev = &pdev->dev; + haptic->type = MAX77843_HAPTIC_LRA; + haptic->pwm_divisor = MAX77843_HAPTIC_PWM_DIVISOR_128; + + INIT_WORK(&haptic->work, max77843_haptic_play_work); + mutex_init(&haptic->mutex); + + haptic->pwm_dev = devm_pwm_get(&pdev->dev, NULL); + if (IS_ERR(haptic->pwm_dev)) { + dev_err(&pdev->dev, "failed to get pwm device\n"); + return PTR_ERR(haptic->pwm_dev); + } + + haptic->motor_reg = devm_regulator_get_exclusive(&pdev->dev, "haptic"); + if (IS_ERR(haptic->motor_reg)) { + dev_err(&pdev->dev, "failed to get regulator\n"); + return PTR_ERR(haptic->motor_reg); + } + + haptic->input_dev = devm_input_allocate_device(&pdev->dev); + if (!haptic->input_dev) { + dev_err(&pdev->dev, "failed to allocate input device\n"); + return -ENOMEM; + } + + haptic->input_dev->name = "max77843-haptic"; + haptic->input_dev->id.version = 1; + haptic->input_dev->dev.parent = &pdev->dev; + haptic->input_dev->open = max77843_haptic_open; + haptic->input_dev->close = max77843_haptic_close; + input_set_drvdata(haptic->input_dev, haptic); + input_set_capability(haptic->input_dev, EV_FF, FF_RUMBLE); + + error = input_ff_create_memless(haptic->input_dev, NULL, + max77843_haptic_play_effect); + if (error) { + dev_err(&pdev->dev, "failed to create force-feedback\n"); + return error; + } + + error = input_register_device(haptic->input_dev); + if (error) { + dev_err(&pdev->dev, "failed to register input device\n"); + return error; + } + + platform_set_drvdata(pdev, haptic); + + return 0; +} + +static int __maybe_unused max77843_haptic_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct max77843_haptic *haptic = platform_get_drvdata(pdev); + int error; + + error = mutex_lock_interruptible(&haptic->mutex); + if (error) + return error; + + max77843_haptic_disable(haptic); + + haptic->suspended = true; + + mutex_unlock(&haptic->mutex); + + return 0; +} + +static int __maybe_unused max77843_haptic_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct max77843_haptic *haptic = platform_get_drvdata(pdev); + unsigned int magnitude; + + mutex_lock(&haptic->mutex); + + haptic->suspended = false; + + magnitude = ACCESS_ONCE(haptic->magnitude); + if (magnitude) + max77843_haptic_enable(haptic); + + mutex_unlock(&haptic->mutex); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(max77843_haptic_pm_ops, + max77843_haptic_suspend, max77843_haptic_resume); + +static struct platform_driver max77843_haptic_driver = { + .driver = { + .name = "max77843-haptic", + .pm = &max77843_haptic_pm_ops, + }, + .probe = max77843_haptic_probe, +}; +module_platform_driver(max77843_haptic_driver); + +MODULE_AUTHOR("Jaewon Kim <jaewon02.kim@samsung.com>"); +MODULE_DESCRIPTION("MAXIM MAX77843 Haptic driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c index 98228773a111..19c73574458e 100644 --- a/drivers/input/misc/mma8450.c +++ b/drivers/input/misc/mma8450.c @@ -174,12 +174,13 @@ static int mma8450_probe(struct i2c_client *c, struct mma8450 *m; int err; - m = kzalloc(sizeof(struct mma8450), GFP_KERNEL); - idev = input_allocate_polled_device(); - if (!m || !idev) { - err = -ENOMEM; - goto err_free_mem; - } + m = devm_kzalloc(&c->dev, sizeof(*m), GFP_KERNEL); + if (!m) + return -ENOMEM; + + idev = devm_input_allocate_polled_device(&c->dev); + if (!idev) + return -ENOMEM; m->client = c; m->idev = idev; @@ -187,7 +188,6 @@ static int mma8450_probe(struct i2c_client *c, idev->private = m; idev->input->name = MMA8450_DRV_NAME; idev->input->id.bustype = BUS_I2C; - idev->input->dev.parent = &c->dev; idev->poll = mma8450_poll; idev->poll_interval = POLL_INTERVAL; idev->poll_interval_max = POLL_INTERVAL_MAX; @@ -202,29 +202,12 @@ static int mma8450_probe(struct i2c_client *c, err = input_register_polled_device(idev); if (err) { dev_err(&c->dev, "failed to register polled input device\n"); - goto err_free_mem; + return err; } i2c_set_clientdata(c, m); return 0; - -err_free_mem: - input_free_polled_device(idev); - kfree(m); - return err; -} - -static int mma8450_remove(struct i2c_client *c) -{ - struct mma8450 *m = i2c_get_clientdata(c); - struct input_polled_dev *idev = m->idev; - - input_unregister_polled_device(idev); - input_free_polled_device(idev); - kfree(m); - - return 0; } static const struct i2c_device_id mma8450_id[] = { @@ -242,11 +225,9 @@ MODULE_DEVICE_TABLE(of, mma8450_dt_ids); static struct i2c_driver mma8450_driver = { .driver = { .name = MMA8450_DRV_NAME, - .owner = THIS_MODULE, .of_match_table = mma8450_dt_ids, }, .probe = mma8450_probe, - .remove = mma8450_remove, .id_table = mma8450_id, }; diff --git a/drivers/input/misc/palmas-pwrbutton.c b/drivers/input/misc/palmas-pwrbutton.c index 1f9b5ee92746..1e1baed63929 100644 --- a/drivers/input/misc/palmas-pwrbutton.c +++ b/drivers/input/misc/palmas-pwrbutton.c @@ -304,7 +304,7 @@ static SIMPLE_DEV_PM_OPS(palmas_pwron_pm, palmas_pwron_suspend, palmas_pwron_resume); #ifdef CONFIG_OF -static struct of_device_id of_palmas_pwr_match[] = { +static const struct of_device_id of_palmas_pwr_match[] = { { .compatible = "ti,palmas-pwrbutton" }, { }, }; diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c new file mode 100644 index 000000000000..867db8a91372 --- /dev/null +++ b/drivers/input/misc/pm8941-pwrkey.c @@ -0,0 +1,293 @@ +/* + * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * Copyright (c) 2014, Sony Mobile Communications Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/log2.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/reboot.h> +#include <linux/regmap.h> + +#define PON_REV2 0x01 + +#define PON_RT_STS 0x10 +#define PON_KPDPWR_N_SET BIT(0) + +#define PON_PS_HOLD_RST_CTL 0x5a +#define PON_PS_HOLD_RST_CTL2 0x5b +#define PON_PS_HOLD_ENABLE BIT(7) +#define PON_PS_HOLD_TYPE_MASK 0x0f +#define PON_PS_HOLD_TYPE_SHUTDOWN 4 +#define PON_PS_HOLD_TYPE_HARD_RESET 7 + +#define PON_PULL_CTL 0x70 +#define PON_KPDPWR_PULL_UP BIT(1) + +#define PON_DBC_CTL 0x71 +#define PON_DBC_DELAY_MASK 0x7 + + +struct pm8941_pwrkey { + struct device *dev; + int irq; + u32 baseaddr; + struct regmap *regmap; + struct input_dev *input; + + unsigned int revision; + struct notifier_block reboot_notifier; +}; + +static int pm8941_reboot_notify(struct notifier_block *nb, + unsigned long code, void *unused) +{ + struct pm8941_pwrkey *pwrkey = container_of(nb, struct pm8941_pwrkey, + reboot_notifier); + unsigned int enable_reg; + unsigned int reset_type; + int error; + + /* PMICs with revision 0 have the enable bit in same register as ctrl */ + if (pwrkey->revision == 0) + enable_reg = PON_PS_HOLD_RST_CTL; + else + enable_reg = PON_PS_HOLD_RST_CTL2; + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + enable_reg, + PON_PS_HOLD_ENABLE, + 0); + if (error) + dev_err(pwrkey->dev, + "unable to clear ps hold reset enable: %d\n", + error); + + /* + * Updates of PON_PS_HOLD_ENABLE requires 3 sleep cycles between + * writes. + */ + usleep_range(100, 1000); + + switch (code) { + case SYS_HALT: + case SYS_POWER_OFF: + reset_type = PON_PS_HOLD_TYPE_SHUTDOWN; + break; + case SYS_RESTART: + default: + reset_type = PON_PS_HOLD_TYPE_HARD_RESET; + break; + }; + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + PON_PS_HOLD_RST_CTL, + PON_PS_HOLD_TYPE_MASK, + reset_type); + if (error) + dev_err(pwrkey->dev, "unable to set ps hold reset type: %d\n", + error); + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + enable_reg, + PON_PS_HOLD_ENABLE, + PON_PS_HOLD_ENABLE); + if (error) + dev_err(pwrkey->dev, "unable to re-set enable: %d\n", error); + + return NOTIFY_DONE; +} + +static irqreturn_t pm8941_pwrkey_irq(int irq, void *_data) +{ + struct pm8941_pwrkey *pwrkey = _data; + unsigned int sts; + int error; + + error = regmap_read(pwrkey->regmap, + pwrkey->baseaddr + PON_RT_STS, &sts); + if (error) + return IRQ_HANDLED; + + input_report_key(pwrkey->input, KEY_POWER, !!(sts & PON_KPDPWR_N_SET)); + input_sync(pwrkey->input); + + return IRQ_HANDLED; +} + +static int __maybe_unused pm8941_pwrkey_suspend(struct device *dev) +{ + struct pm8941_pwrkey *pwrkey = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(pwrkey->irq); + + return 0; +} + +static int __maybe_unused pm8941_pwrkey_resume(struct device *dev) +{ + struct pm8941_pwrkey *pwrkey = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(pwrkey->irq); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(pm8941_pwr_key_pm_ops, + pm8941_pwrkey_suspend, pm8941_pwrkey_resume); + +static int pm8941_pwrkey_probe(struct platform_device *pdev) +{ + struct pm8941_pwrkey *pwrkey; + bool pull_up; + u32 req_delay; + int error; + + if (of_property_read_u32(pdev->dev.of_node, "debounce", &req_delay)) + req_delay = 15625; + + if (req_delay > 2000000 || req_delay == 0) { + dev_err(&pdev->dev, "invalid debounce time: %u\n", req_delay); + return -EINVAL; + } + + pull_up = of_property_read_bool(pdev->dev.of_node, "bias-pull-up"); + + pwrkey = devm_kzalloc(&pdev->dev, sizeof(*pwrkey), GFP_KERNEL); + if (!pwrkey) + return -ENOMEM; + + pwrkey->dev = &pdev->dev; + + pwrkey->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!pwrkey->regmap) { + dev_err(&pdev->dev, "failed to locate regmap\n"); + return -ENODEV; + } + + pwrkey->irq = platform_get_irq(pdev, 0); + if (pwrkey->irq < 0) { + dev_err(&pdev->dev, "failed to get irq\n"); + return pwrkey->irq; + } + + error = of_property_read_u32(pdev->dev.of_node, "reg", + &pwrkey->baseaddr); + if (error) + return error; + + error = regmap_read(pwrkey->regmap, pwrkey->baseaddr + PON_REV2, + &pwrkey->revision); + if (error) { + dev_err(&pdev->dev, "failed to set debounce: %d\n", error); + return error; + } + + pwrkey->input = devm_input_allocate_device(&pdev->dev); + if (!pwrkey->input) { + dev_dbg(&pdev->dev, "unable to allocate input device\n"); + return -ENOMEM; + } + + input_set_capability(pwrkey->input, EV_KEY, KEY_POWER); + + pwrkey->input->name = "pm8941_pwrkey"; + pwrkey->input->phys = "pm8941_pwrkey/input0"; + + req_delay = (req_delay << 6) / USEC_PER_SEC; + req_delay = ilog2(req_delay); + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + PON_DBC_CTL, + PON_DBC_DELAY_MASK, + req_delay); + if (error) { + dev_err(&pdev->dev, "failed to set debounce: %d\n", error); + return error; + } + + error = regmap_update_bits(pwrkey->regmap, + pwrkey->baseaddr + PON_PULL_CTL, + PON_KPDPWR_PULL_UP, + pull_up ? PON_KPDPWR_PULL_UP : 0); + if (error) { + dev_err(&pdev->dev, "failed to set pull: %d\n", error); + return error; + } + + error = devm_request_threaded_irq(&pdev->dev, pwrkey->irq, + NULL, pm8941_pwrkey_irq, + IRQF_ONESHOT, + "pm8941_pwrkey", pwrkey); + if (error) { + dev_err(&pdev->dev, "failed requesting IRQ: %d\n", error); + return error; + } + + error = input_register_device(pwrkey->input); + if (error) { + dev_err(&pdev->dev, "failed to register input device: %d\n", + error); + return error; + } + + pwrkey->reboot_notifier.notifier_call = pm8941_reboot_notify, + error = register_reboot_notifier(&pwrkey->reboot_notifier); + if (error) { + dev_err(&pdev->dev, "failed to register reboot notifier: %d\n", + error); + return error; + } + + platform_set_drvdata(pdev, pwrkey); + device_init_wakeup(&pdev->dev, 1); + + return 0; +} + +static int pm8941_pwrkey_remove(struct platform_device *pdev) +{ + struct pm8941_pwrkey *pwrkey = platform_get_drvdata(pdev); + + device_init_wakeup(&pdev->dev, 0); + unregister_reboot_notifier(&pwrkey->reboot_notifier); + + return 0; +} + +static const struct of_device_id pm8941_pwr_key_id_table[] = { + { .compatible = "qcom,pm8941-pwrkey" }, + { } +}; +MODULE_DEVICE_TABLE(of, pm8941_pwr_key_id_table); + +static struct platform_driver pm8941_pwrkey_driver = { + .probe = pm8941_pwrkey_probe, + .remove = pm8941_pwrkey_remove, + .driver = { + .name = "pm8941-pwrkey", + .pm = &pm8941_pwr_key_pm_ops, + .of_match_table = of_match_ptr(pm8941_pwr_key_id_table), + }, +}; +module_platform_driver(pm8941_pwrkey_driver); + +MODULE_DESCRIPTION("PM8941 Power Key driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c index a28ee70ff158..e82edf810d1f 100644 --- a/drivers/input/misc/pwm-beeper.c +++ b/drivers/input/misc/pwm-beeper.c @@ -50,7 +50,6 @@ static int pwm_beeper_event(struct input_dev *input, } if (value == 0) { - pwm_config(beeper->pwm, 0, 0); pwm_disable(beeper->pwm); } else { period = HZ_TO_NANOSECONDS(value); @@ -169,12 +168,6 @@ static int __maybe_unused pwm_beeper_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(pwm_beeper_pm_ops, pwm_beeper_suspend, pwm_beeper_resume); -#ifdef CONFIG_PM_SLEEP -#define PWM_BEEPER_PM_OPS (&pwm_beeper_pm_ops) -#else -#define PWM_BEEPER_PM_OPS NULL -#endif - #ifdef CONFIG_OF static const struct of_device_id pwm_beeper_match[] = { { .compatible = "pwm-beeper", }, @@ -187,7 +180,7 @@ static struct platform_driver pwm_beeper_driver = { .remove = pwm_beeper_remove, .driver = { .name = "pwm-beeper", - .pm = PWM_BEEPER_PM_OPS, + .pm = &pwm_beeper_pm_ops, .of_match_table = of_match_ptr(pwm_beeper_match), }, }; diff --git a/drivers/input/misc/regulator-haptic.c b/drivers/input/misc/regulator-haptic.c index 132eb914ea3e..6bf3f1082f71 100644 --- a/drivers/input/misc/regulator-haptic.c +++ b/drivers/input/misc/regulator-haptic.c @@ -245,7 +245,7 @@ static int __maybe_unused regulator_haptic_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(regulator_haptic_pm_ops, regulator_haptic_suspend, regulator_haptic_resume); -static struct of_device_id regulator_haptic_dt_match[] = { +static const struct of_device_id regulator_haptic_dt_match[] = { { .compatible = "regulator-haptic" }, { /* sentinel */ }, }; diff --git a/drivers/input/misc/retu-pwrbutton.c b/drivers/input/misc/retu-pwrbutton.c index 0c8ac60e2639..30b459b6b344 100644 --- a/drivers/input/misc/retu-pwrbutton.c +++ b/drivers/input/misc/retu-pwrbutton.c @@ -63,7 +63,8 @@ static int retu_pwrbutton_probe(struct platform_device *pdev) input_set_drvdata(idev, rdev); error = devm_request_threaded_irq(&pdev->dev, irq, - NULL, retu_pwrbutton_irq, 0, + NULL, retu_pwrbutton_irq, + IRQF_ONESHOT, "retu-pwrbutton", idev); if (error) return error; diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index e8e010a85484..c14b82709b0f 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -18,7 +18,6 @@ #include <linux/gpio/consumer.h> #include <linux/gpio_keys.h> #include <linux/platform_device.h> -#include <linux/acpi.h> /* * Definition of buttons on the tablet. The ACPI index of each button diff --git a/drivers/input/misc/tps65218-pwrbutton.c b/drivers/input/misc/tps65218-pwrbutton.c index 54508dec4eb3..a39b62651a4b 100644 --- a/drivers/input/misc/tps65218-pwrbutton.c +++ b/drivers/input/misc/tps65218-pwrbutton.c @@ -106,7 +106,7 @@ static int tps65218_pwron_probe(struct platform_device *pdev) return 0; } -static struct of_device_id of_tps65218_pwr_match[] = { +static const struct of_device_id of_tps65218_pwr_match[] = { { .compatible = "ti,tps65218-pwrbutton" }, { }, }; diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index e98cc81a84c6..603fc2fadf05 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -71,7 +71,8 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) pwr->dev.parent = &pdev->dev; err = devm_request_threaded_irq(&pwr->dev, irq, NULL, powerbutton_irq, - IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | + IRQF_ONESHOT, "twl4030_pwrbutton", pwr); if (err < 0) { dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err); diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index 0e0d094df2e6..ea63fad48de6 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -308,7 +308,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev) mutex_init(&info->mutex); error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, - twl6040_vib_irq_handler, 0, + twl6040_vib_irq_handler, + IRQF_ONESHOT, "twl6040_irq_vib", info); if (error) { dev_err(info->dev, "VIB IRQ request failed: %d\n", error); diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c index 59d4f7bcb4a3..1b44de265a0a 100644 --- a/drivers/input/misc/wm831x-on.c +++ b/drivers/input/misc/wm831x-on.c @@ -99,7 +99,8 @@ static int wm831x_on_probe(struct platform_device *pdev) wm831x_on->dev->dev.parent = &pdev->dev; ret = request_threaded_irq(irq, NULL, wm831x_on_irq, - IRQF_TRIGGER_RISING, "wm831x_on", + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "wm831x_on", wm831x_on); if (ret < 0) { dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret); diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 4658b5d41dd7..d7820d1152d2 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -149,6 +149,18 @@ config MOUSE_PS2_FOCALTECH If unsure, say Y. +config MOUSE_PS2_VMMOUSE + bool "Virtual mouse (vmmouse)" + depends on MOUSE_PS2 && X86 && HYPERVISOR_GUEST + help + Say Y here if you are running under control of VMware hypervisor + (ESXi, Workstation or Fusion). Also make sure that when you enable + this option, you remove the xf86-input-vmmouse user-space driver + or upgrade it to at least xf86-input-vmmouse 13.1.0, which doesn't + load in the presence of an in-kernel vmmouse driver. + + If unsure, say N. + config MOUSE_SERIAL tristate "Serial mouse" select SERIO diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 8a9c98e76d9c..793300bfbddd 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -36,6 +36,7 @@ psmouse-$(CONFIG_MOUSE_PS2_SENTELIC) += sentelic.o psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o psmouse-$(CONFIG_MOUSE_PS2_CYPRESS) += cypress_ps2.o +psmouse-$(CONFIG_MOUSE_PS2_VMMOUSE) += vmmouse.o elan_i2c-objs := elan_i2c_core.o elan_i2c-$(CONFIG_MOUSE_ELAN_I2C_I2C) += elan_i2c_i2c.o diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 27bcdbc950c9..113d6f1516a5 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -153,10 +153,18 @@ static const struct alps_protocol_info alps_v7_protocol_data = { ALPS_PROTO_V7, 0x48, 0x48, ALPS_DUALPOINT }; +static const struct alps_protocol_info alps_v8_protocol_data = { + ALPS_PROTO_V8, 0x18, 0x18, 0 +}; + static void alps_set_abs_params_st(struct alps_data *priv, struct input_dev *dev1); -static void alps_set_abs_params_mt(struct alps_data *priv, +static void alps_set_abs_params_semi_mt(struct alps_data *priv, + struct input_dev *dev1); +static void alps_set_abs_params_v7(struct alps_data *priv, struct input_dev *dev1); +static void alps_set_abs_params_ss4_v2(struct alps_data *priv, + struct input_dev *dev1); /* Packet formats are described in Documentation/input/alps.txt */ @@ -243,6 +251,14 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } + /* Non interleaved V2 dualpoint has separate stick button bits */ + if (priv->proto_version == ALPS_PROTO_V2 && + priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) { + left |= packet[0] & 1; + right |= packet[0] & 2; + middle |= packet[0] & 4; + } + alps_report_buttons(dev, dev2, left, right, middle); /* Convert hardware tap to a reasonable Z value */ @@ -294,53 +310,6 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) input_sync(dev); } -/* - * Process bitmap data for V5 protocols. Return value is null. - * - * The bitmaps don't have enough data to track fingers, so this function - * only generates points representing a bounding box of at most two contacts. - * These two points are returned in fields->mt. - */ -static void alps_process_bitmap_dolphin(struct alps_data *priv, - struct alps_fields *fields) -{ - int box_middle_x, box_middle_y; - unsigned int x_map, y_map; - unsigned char start_bit, end_bit; - unsigned char x_msb, x_lsb, y_msb, y_lsb; - - x_map = fields->x_map; - y_map = fields->y_map; - - if (!x_map || !y_map) - return; - - /* Get Most-significant and Least-significant bit */ - x_msb = fls(x_map); - x_lsb = ffs(x_map); - y_msb = fls(y_map); - y_lsb = ffs(y_map); - - /* Most-significant bit should never exceed max sensor line number */ - if (x_msb > priv->x_bits || y_msb > priv->y_bits) - return; - - if (fields->fingers > 1) { - start_bit = priv->x_bits - x_msb; - end_bit = priv->x_bits - x_lsb; - box_middle_x = (priv->x_max * (start_bit + end_bit)) / - (2 * (priv->x_bits - 1)); - - start_bit = y_lsb - 1; - end_bit = y_msb - 1; - box_middle_y = (priv->y_max * (start_bit + end_bit)) / - (2 * (priv->y_bits - 1)); - fields->mt[0] = fields->st; - fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x; - fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y; - } -} - static void alps_get_bitmap_points(unsigned int map, struct alps_bitmap_point *low, struct alps_bitmap_point *high, @@ -368,7 +337,7 @@ static void alps_get_bitmap_points(unsigned int map, } /* - * Process bitmap data from v3 and v4 protocols. Returns the number of + * Process bitmap data from semi-mt protocols. Returns the number of * fingers detected. A return value of 0 means at least one of the * bitmaps was empty. * @@ -380,9 +349,10 @@ static void alps_get_bitmap_points(unsigned int map, static int alps_process_bitmap(struct alps_data *priv, struct alps_fields *fields) { - int i, fingers_x = 0, fingers_y = 0, fingers; + int i, fingers_x = 0, fingers_y = 0, fingers, closest; struct alps_bitmap_point x_low = {0,}, x_high = {0,}; struct alps_bitmap_point y_low = {0,}, y_high = {0,}; + struct input_mt_pos corner[4]; if (!fields->x_map || !fields->y_map) return 0; @@ -413,26 +383,76 @@ static int alps_process_bitmap(struct alps_data *priv, y_high.num_bits = max(i, 1); } - fields->mt[0].x = + /* top-left corner */ + corner[0].x = (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / (2 * (priv->x_bits - 1)); - fields->mt[0].y = + corner[0].y = (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / (2 * (priv->y_bits - 1)); - fields->mt[1].x = + /* top-right corner */ + corner[1].x = (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / (2 * (priv->x_bits - 1)); - fields->mt[1].y = + corner[1].y = + (priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) / + (2 * (priv->y_bits - 1)); + + /* bottom-right corner */ + corner[2].x = + (priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) / + (2 * (priv->x_bits - 1)); + corner[2].y = + (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / + (2 * (priv->y_bits - 1)); + + /* bottom-left corner */ + corner[3].x = + (priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) / + (2 * (priv->x_bits - 1)); + corner[3].y = (priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) / (2 * (priv->y_bits - 1)); - /* y-bitmap order is reversed, except on rushmore */ - if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) { - fields->mt[0].y = priv->y_max - fields->mt[0].y; - fields->mt[1].y = priv->y_max - fields->mt[1].y; + /* x-bitmap order is reversed on v5 touchpads */ + if (priv->proto_version == ALPS_PROTO_V5) { + for (i = 0; i < 4; i++) + corner[i].x = priv->x_max - corner[i].x; } + /* y-bitmap order is reversed on v3 and v4 touchpads */ + if (priv->proto_version == ALPS_PROTO_V3 || + priv->proto_version == ALPS_PROTO_V4) { + for (i = 0; i < 4; i++) + corner[i].y = priv->y_max - corner[i].y; + } + + /* + * We only select a corner for the second touch once per 2 finger + * touch sequence to avoid the chosen corner (and thus the coordinates) + * jumping around when the first touch is in the middle. + */ + if (priv->second_touch == -1) { + /* Find corner closest to our st coordinates */ + closest = 0x7fffffff; + for (i = 0; i < 4; i++) { + int dx = fields->st.x - corner[i].x; + int dy = fields->st.y - corner[i].y; + int distance = dx * dx + dy * dy; + + if (distance < closest) { + priv->second_touch = i; + closest = distance; + } + } + /* And select the opposite corner to use for the 2nd touch */ + priv->second_touch = (priv->second_touch + 2) % 4; + } + + fields->mt[0] = fields->st; + fields->mt[1] = corner[priv->second_touch]; + return fingers; } @@ -469,9 +489,14 @@ static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers) f->mt[0].x = f->st.x; f->mt[0].y = f->st.y; fingers = f->pressure > 0 ? 1 : 0; + priv->second_touch = -1; } - alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2); + if (fingers >= 1) + alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y); + if (fingers >= 2) + alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y); + input_mt_sync_frame(dev); input_mt_report_finger_count(dev, fingers); @@ -568,20 +593,22 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, f->first_mp = !!(p[4] & 0x40); f->is_mp = !!(p[0] & 0x40); - f->fingers = (p[5] & 0x3) + 1; - f->x_map = ((p[4] & 0x7e) << 8) | - ((p[1] & 0x7f) << 2) | - ((p[0] & 0x30) >> 4); - f->y_map = ((p[3] & 0x70) << 4) | - ((p[2] & 0x7f) << 1) | - (p[4] & 0x01); - - f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | - ((p[0] & 0x30) >> 4); - f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); - f->pressure = p[5] & 0x7f; + if (f->is_mp) { + f->fingers = (p[5] & 0x3) + 1; + f->x_map = ((p[4] & 0x7e) << 8) | + ((p[1] & 0x7f) << 2) | + ((p[0] & 0x30) >> 4); + f->y_map = ((p[3] & 0x70) << 4) | + ((p[2] & 0x7f) << 1) | + (p[4] & 0x01); + } else { + f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | + ((p[0] & 0x30) >> 4); + f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); + f->pressure = p[5] & 0x7f; - alps_decode_buttons_v3(f, p); + alps_decode_buttons_v3(f, p); + } return 0; } @@ -589,13 +616,27 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p, static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p, struct psmouse *psmouse) { - alps_decode_pinnacle(f, p, psmouse); - - /* Rushmore's packet decode has a bit difference with Pinnacle's */ + f->first_mp = !!(p[4] & 0x40); f->is_mp = !!(p[5] & 0x40); - f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; - f->x_map |= (p[5] & 0x10) << 11; - f->y_map |= (p[5] & 0x20) << 6; + + if (f->is_mp) { + f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1; + f->x_map = ((p[5] & 0x10) << 11) | + ((p[4] & 0x7e) << 8) | + ((p[1] & 0x7f) << 2) | + ((p[0] & 0x30) >> 4); + f->y_map = ((p[5] & 0x20) << 6) | + ((p[3] & 0x70) << 4) | + ((p[2] & 0x7f) << 1) | + (p[4] & 0x01); + } else { + f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) | + ((p[0] & 0x30) >> 4); + f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f); + f->pressure = p[5] & 0x7f; + + alps_decode_buttons_v3(f, p); + } return 0; } @@ -664,30 +705,13 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse) */ if (f->is_mp) { fingers = f->fingers; - if (priv->proto_version == ALPS_PROTO_V3 || - priv->proto_version == ALPS_PROTO_V3_RUSHMORE) { - if (alps_process_bitmap(priv, f) == 0) - fingers = 0; /* Use st data */ - - /* Now process position packet */ - priv->decode_fields(f, priv->multi_data, - psmouse); - } else { - /* - * Because Dolphin uses position packet's - * coordinate data as Pt1 and uses it to - * calculate Pt2, so we need to do position - * packet decode first. - */ - priv->decode_fields(f, priv->multi_data, - psmouse); - - /* - * Since Dolphin's finger number is reliable, - * there is no need to compare with bmap_fn. - */ - alps_process_bitmap_dolphin(priv, f); - } + /* + * Bitmap processing uses position packet's coordinate + * data, so we need to do decode it first. + */ + priv->decode_fields(f, priv->multi_data, psmouse); + if (alps_process_bitmap(priv, f) == 0) + fingers = 0; /* Use st data */ } else { priv->multi_packet = 0; } @@ -849,6 +873,14 @@ static void alps_process_packet_v4(struct psmouse *psmouse) priv->multi_data[offset] = packet[6]; priv->multi_data[offset + 1] = packet[7]; + f->left = !!(packet[4] & 0x01); + f->right = !!(packet[4] & 0x02); + + f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | + ((packet[0] & 0x30) >> 4); + f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); + f->pressure = packet[5] & 0x7f; + if (++priv->multi_packet > 2) { priv->multi_packet = 0; @@ -863,14 +895,6 @@ static void alps_process_packet_v4(struct psmouse *psmouse) f->fingers = alps_process_bitmap(priv, f); } - f->left = !!(packet[4] & 0x01); - f->right = !!(packet[4] & 0x02); - - f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) | - ((packet[0] & 0x30) >> 4); - f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f); - f->pressure = packet[5] & 0x7f; - alps_report_semi_mt_data(psmouse, f->fingers); } @@ -925,6 +949,11 @@ static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, case V7_PACKET_ID_TWO: mt[1].x &= ~0x000F; mt[1].y |= 0x000F; + /* Detect false-postive touches where x & y report max value */ + if (mt[1].y == 0x7ff && mt[1].x == 0xff0) { + mt[1].x = 0; + /* y gets set to 0 at the end of this function */ + } break; case V7_PACKET_ID_MULTI: @@ -1042,9 +1071,8 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) right = (packet[1] & 0x02) >> 1; middle = (packet[1] & 0x04) >> 2; - /* Divide 2 since trackpoint's speed is too fast */ - input_report_rel(dev2, REL_X, (char)x / 2); - input_report_rel(dev2, REL_Y, -((char)y / 2)); + input_report_rel(dev2, REL_X, (char)x); + input_report_rel(dev2, REL_Y, -((char)y)); input_report_key(dev2, BTN_LEFT, left); input_report_key(dev2, BTN_RIGHT, right); @@ -1085,6 +1113,176 @@ static void alps_process_packet_v7(struct psmouse *psmouse) alps_process_touchpad_packet_v7(psmouse); } +static unsigned char alps_get_pkt_id_ss4_v2(unsigned char *byte) +{ + unsigned char pkt_id = SS4_PACKET_ID_IDLE; + + if (byte[0] == 0x18 && byte[1] == 0x10 && byte[2] == 0x00 && + (byte[3] & 0x88) == 0x08 && byte[4] == 0x10 && byte[5] == 0x00) { + pkt_id = SS4_PACKET_ID_IDLE; + } else if (!(byte[3] & 0x10)) { + pkt_id = SS4_PACKET_ID_ONE; + } else if (!(byte[3] & 0x20)) { + pkt_id = SS4_PACKET_ID_TWO; + } else { + pkt_id = SS4_PACKET_ID_MULTI; + } + + return pkt_id; +} + +static int alps_decode_ss4_v2(struct alps_fields *f, + unsigned char *p, struct psmouse *psmouse) +{ + struct alps_data *priv = psmouse->private; + unsigned char pkt_id; + unsigned int no_data_x, no_data_y; + + pkt_id = alps_get_pkt_id_ss4_v2(p); + + /* Current packet is 1Finger coordinate packet */ + switch (pkt_id) { + case SS4_PACKET_ID_ONE: + f->mt[0].x = SS4_1F_X_V2(p); + f->mt[0].y = SS4_1F_Y_V2(p); + f->pressure = ((SS4_1F_Z_V2(p)) * 2) & 0x7f; + f->fingers = 1; + f->first_mp = 0; + f->is_mp = 0; + break; + + case SS4_PACKET_ID_TWO: + if (priv->flags & ALPS_BUTTONPAD) { + f->mt[0].x = SS4_BTL_MF_X_V2(p, 0); + f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0); + f->mt[1].x = SS4_BTL_MF_X_V2(p, 1); + f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1); + } else { + f->mt[0].x = SS4_STD_MF_X_V2(p, 0); + f->mt[0].y = SS4_STD_MF_Y_V2(p, 0); + f->mt[1].x = SS4_STD_MF_X_V2(p, 1); + f->mt[1].y = SS4_STD_MF_Y_V2(p, 1); + } + f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0; + + if (SS4_IS_MF_CONTINUE(p)) { + f->first_mp = 1; + } else { + f->fingers = 2; + f->first_mp = 0; + } + f->is_mp = 0; + + break; + + case SS4_PACKET_ID_MULTI: + if (priv->flags & ALPS_BUTTONPAD) { + f->mt[2].x = SS4_BTL_MF_X_V2(p, 0); + f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0); + f->mt[3].x = SS4_BTL_MF_X_V2(p, 1); + f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1); + no_data_x = SS4_MFPACKET_NO_AX_BL; + no_data_y = SS4_MFPACKET_NO_AY_BL; + } else { + f->mt[2].x = SS4_STD_MF_X_V2(p, 0); + f->mt[2].y = SS4_STD_MF_Y_V2(p, 0); + f->mt[3].x = SS4_STD_MF_X_V2(p, 1); + f->mt[3].y = SS4_STD_MF_Y_V2(p, 1); + no_data_x = SS4_MFPACKET_NO_AX; + no_data_y = SS4_MFPACKET_NO_AY; + } + + f->first_mp = 0; + f->is_mp = 1; + + if (SS4_IS_5F_DETECTED(p)) { + f->fingers = 5; + } else if (f->mt[3].x == no_data_x && + f->mt[3].y == no_data_y) { + f->mt[3].x = 0; + f->mt[3].y = 0; + f->fingers = 3; + } else { + f->fingers = 4; + } + break; + + case SS4_PACKET_ID_IDLE: + default: + memset(f, 0, sizeof(struct alps_fields)); + break; + } + + f->left = !!(SS4_BTN_V2(p) & 0x01); + if (!(priv->flags & ALPS_BUTTONPAD)) { + f->right = !!(SS4_BTN_V2(p) & 0x02); + f->middle = !!(SS4_BTN_V2(p) & 0x04); + } + + return 0; +} + +static void alps_process_packet_ss4_v2(struct psmouse *psmouse) +{ + struct alps_data *priv = psmouse->private; + unsigned char *packet = psmouse->packet; + struct input_dev *dev = psmouse->dev; + struct alps_fields *f = &priv->f; + + memset(f, 0, sizeof(struct alps_fields)); + priv->decode_fields(f, packet, psmouse); + if (priv->multi_packet) { + /* + * Sometimes the first packet will indicate a multi-packet + * sequence, but sometimes the next multi-packet would not + * come. Check for this, and when it happens process the + * position packet as usual. + */ + if (f->is_mp) { + /* Now process the 1st packet */ + priv->decode_fields(f, priv->multi_data, psmouse); + } else { + priv->multi_packet = 0; + } + } + + /* + * "f.is_mp" would always be '0' after merging the 1st and 2nd packet. + * When it is set, it means 2nd packet comes without 1st packet come. + */ + if (f->is_mp) + return; + + /* Save the first packet */ + if (!priv->multi_packet && f->first_mp) { + priv->multi_packet = 1; + memcpy(priv->multi_data, packet, sizeof(priv->multi_data)); + return; + } + + priv->multi_packet = 0; + + alps_report_mt_data(psmouse, (f->fingers <= 4) ? f->fingers : 4); + + input_mt_report_finger_count(dev, f->fingers); + + input_report_key(dev, BTN_LEFT, f->left); + input_report_key(dev, BTN_RIGHT, f->right); + input_report_key(dev, BTN_MIDDLE, f->middle); + + input_report_abs(dev, ABS_PRESSURE, f->pressure); + input_sync(dev); +} + +static bool alps_is_valid_package_ss4_v2(struct psmouse *psmouse) +{ + if (psmouse->pktcnt == 4 && ((psmouse->packet[3] & 0x08) != 0x08)) + return false; + if (psmouse->pktcnt == 6 && ((psmouse->packet[5] & 0x10) != 0x0)) + return false; + return true; +} + static DEFINE_MUTEX(alps_mutex); static void alps_register_bare_ps2_mouse(struct work_struct *work) @@ -1159,13 +1357,14 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse, bool report_buttons) { struct alps_data *priv = psmouse->private; - struct input_dev *dev; + struct input_dev *dev, *dev2 = NULL; /* Figure out which device to use to report the bare packet */ if (priv->proto_version == ALPS_PROTO_V2 && (priv->flags & ALPS_DUALPOINT)) { /* On V2 devices the DualPoint Stick reports bare packets */ dev = priv->dev2; + dev2 = psmouse->dev; } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) { /* Register dev3 mouse if we received PS/2 packet first time */ if (!IS_ERR(priv->dev3)) @@ -1177,7 +1376,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse, } if (report_buttons) - alps_report_buttons(dev, NULL, + alps_report_buttons(dev, dev2, packet[0] & 1, packet[0] & 2, packet[0] & 4); input_report_rel(dev, REL_X, @@ -1305,8 +1504,12 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) * a device connected to the external PS/2 port. Because bare PS/2 * protocol does not have enough constant bits to self-synchronize * properly we only do this if the device is fully synchronized. + * Can not distinguish V8's first byte from PS/2 packet's */ - if (!psmouse->out_of_sync_cnt && (psmouse->packet[0] & 0xc8) == 0x08) { + if (priv->proto_version != ALPS_PROTO_V8 && + !psmouse->out_of_sync_cnt && + (psmouse->packet[0] & 0xc8) == 0x08) { + if (psmouse->pktcnt == 3) { alps_report_bare_ps2_packet(psmouse, psmouse->packet, true); @@ -1354,8 +1557,10 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) return PSMOUSE_BAD_DATA; } - if (priv->proto_version == ALPS_PROTO_V7 && - !alps_is_valid_package_v7(psmouse)) { + if ((priv->proto_version == ALPS_PROTO_V7 && + !alps_is_valid_package_v7(psmouse)) || + (priv->proto_version == ALPS_PROTO_V8 && + !alps_is_valid_package_ss4_v2(psmouse))) { psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", psmouse->pktcnt - 1, psmouse->packet[psmouse->pktcnt - 1]); @@ -2130,6 +2335,88 @@ error: return -1; } +static int alps_get_otp_values_ss4_v2(struct psmouse *psmouse, + unsigned char index, unsigned char otp[]) +{ + struct ps2dev *ps2dev = &psmouse->ps2dev; + + switch (index) { + case 0: + if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || + ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) + return -1; + + break; + + case 1: + if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL) || + ps2_command(ps2dev, otp, PSMOUSE_CMD_GETINFO)) + return -1; + + break; + } + + return 0; +} + +static int alps_update_device_area_ss4_v2(unsigned char otp[][4], + struct alps_data *priv) +{ + int num_x_electrode; + int num_y_electrode; + int x_pitch, y_pitch, x_phys, y_phys; + + num_x_electrode = SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); + num_y_electrode = SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); + + priv->x_max = (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + priv->y_max = (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + + x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; + y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; + + x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ + y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ + + priv->x_res = priv->x_max * 10 / x_phys; /* units / mm */ + priv->y_res = priv->y_max * 10 / y_phys; /* units / mm */ + + return 0; +} + +static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], + struct alps_data *priv) +{ + unsigned char is_btnless; + + is_btnless = (otp[1][1] >> 3) & 0x01; + + if (is_btnless) + priv->flags |= ALPS_BUTTONPAD; + + return 0; +} + +static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, + struct alps_data *priv) +{ + unsigned char otp[2][4]; + + memset(otp, 0, sizeof(otp)); + + if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) || + alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0])) + return -1; + + alps_update_device_area_ss4_v2(otp, priv); + + alps_update_btn_info_ss4_v2(otp, priv); + + return 0; +} + static int alps_dolphin_get_device_area(struct psmouse *psmouse, struct alps_data *priv) { @@ -2222,6 +2509,35 @@ error: return ret; } +static int alps_hw_init_ss4_v2(struct psmouse *psmouse) +{ + struct ps2dev *ps2dev = &psmouse->ps2dev; + char param[2] = {0x64, 0x28}; + int ret = -1; + + /* enter absolute mode */ + if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSTREAM) || + ps2_command(ps2dev, ¶m[0], PSMOUSE_CMD_SETRATE) || + ps2_command(ps2dev, ¶m[1], PSMOUSE_CMD_SETRATE)) { + goto error; + } + + /* T.B.D. Decread noise packet number, delete in the future */ + if (alps_exit_command_mode(psmouse) || + alps_enter_command_mode(psmouse) || + alps_command_mode_write_reg(psmouse, 0x001D, 0x20)) { + goto error; + } + alps_exit_command_mode(psmouse); + + return ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE); + +error: + alps_exit_command_mode(psmouse); + return ret; +} + static int alps_set_protocol(struct psmouse *psmouse, struct alps_data *priv, const struct alps_protocol_info *protocol) @@ -2253,7 +2569,7 @@ static int alps_set_protocol(struct psmouse *psmouse, case ALPS_PROTO_V3: priv->hw_init = alps_hw_init_v3; priv->process_packet = alps_process_packet_v3; - priv->set_abs_params = alps_set_abs_params_mt; + priv->set_abs_params = alps_set_abs_params_semi_mt; priv->decode_fields = alps_decode_pinnacle; priv->nibble_commands = alps_v3_nibble_commands; priv->addr_command = PSMOUSE_CMD_RESET_WRAP; @@ -2262,7 +2578,7 @@ static int alps_set_protocol(struct psmouse *psmouse, case ALPS_PROTO_V3_RUSHMORE: priv->hw_init = alps_hw_init_rushmore_v3; priv->process_packet = alps_process_packet_v3; - priv->set_abs_params = alps_set_abs_params_mt; + priv->set_abs_params = alps_set_abs_params_semi_mt; priv->decode_fields = alps_decode_rushmore; priv->nibble_commands = alps_v3_nibble_commands; priv->addr_command = PSMOUSE_CMD_RESET_WRAP; @@ -2278,7 +2594,7 @@ static int alps_set_protocol(struct psmouse *psmouse, case ALPS_PROTO_V4: priv->hw_init = alps_hw_init_v4; priv->process_packet = alps_process_packet_v4; - priv->set_abs_params = alps_set_abs_params_mt; + priv->set_abs_params = alps_set_abs_params_semi_mt; priv->nibble_commands = alps_v4_nibble_commands; priv->addr_command = PSMOUSE_CMD_DISABLE; break; @@ -2287,7 +2603,7 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->hw_init = alps_hw_init_dolphin_v1; priv->process_packet = alps_process_touchpad_packet_v3_v5; priv->decode_fields = alps_decode_dolphin; - priv->set_abs_params = alps_set_abs_params_mt; + priv->set_abs_params = alps_set_abs_params_semi_mt; priv->nibble_commands = alps_v3_nibble_commands; priv->addr_command = PSMOUSE_CMD_RESET_WRAP; priv->x_bits = 23; @@ -2311,7 +2627,7 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->hw_init = alps_hw_init_v7; priv->process_packet = alps_process_packet_v7; priv->decode_fields = alps_decode_packet_v7; - priv->set_abs_params = alps_set_abs_params_mt; + priv->set_abs_params = alps_set_abs_params_v7; priv->nibble_commands = alps_v3_nibble_commands; priv->addr_command = PSMOUSE_CMD_RESET_WRAP; priv->x_max = 0xfff; @@ -2321,6 +2637,19 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->flags |= ALPS_BUTTONPAD; break; + + case ALPS_PROTO_V8: + priv->hw_init = alps_hw_init_ss4_v2; + priv->process_packet = alps_process_packet_ss4_v2; + priv->decode_fields = alps_decode_ss4_v2; + priv->set_abs_params = alps_set_abs_params_ss4_v2; + priv->nibble_commands = alps_v3_nibble_commands; + priv->addr_command = PSMOUSE_CMD_RESET_WRAP; + + if (alps_set_defaults_ss4_v2(psmouse, priv)) + return -EIO; + + break; } return 0; @@ -2389,6 +2718,9 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } else if (ec[0] == 0x88 && ec[1] == 0x07 && ec[2] >= 0x90 && ec[2] <= 0x9d) { protocol = &alps_v3_protocol_data; + } else if (e7[0] == 0x73 && e7[1] == 0x03 && + e7[2] == 0x14 && ec[1] == 0x02) { + protocol = &alps_v8_protocol_data; } else { psmouse_dbg(psmouse, "Likely not an ALPS touchpad: E7=%3ph, EC=%3ph\n", e7, ec); @@ -2437,10 +2769,11 @@ static void alps_set_abs_params_st(struct alps_data *priv, { input_set_abs_params(dev1, ABS_X, 0, priv->x_max, 0, 0); input_set_abs_params(dev1, ABS_Y, 0, priv->y_max, 0, 0); + input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); } -static void alps_set_abs_params_mt(struct alps_data *priv, - struct input_dev *dev1) +static void alps_set_abs_params_mt_common(struct alps_data *priv, + struct input_dev *dev1) { input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); @@ -2448,15 +2781,44 @@ static void alps_set_abs_params_mt(struct alps_data *priv, input_abs_set_res(dev1, ABS_MT_POSITION_X, priv->x_res); input_abs_set_res(dev1, ABS_MT_POSITION_Y, priv->y_res); - input_mt_init_slots(dev1, MAX_TOUCHES, INPUT_MT_POINTER | - INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK | INPUT_MT_SEMI_MT); - set_bit(BTN_TOOL_TRIPLETAP, dev1->keybit); set_bit(BTN_TOOL_QUADTAP, dev1->keybit); +} + +static void alps_set_abs_params_semi_mt(struct alps_data *priv, + struct input_dev *dev1) +{ + alps_set_abs_params_mt_common(priv, dev1); + input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); + + input_mt_init_slots(dev1, MAX_TOUCHES, + INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | + INPUT_MT_SEMI_MT); +} + +static void alps_set_abs_params_v7(struct alps_data *priv, + struct input_dev *dev1) +{ + alps_set_abs_params_mt_common(priv, dev1); + set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); + + input_mt_init_slots(dev1, MAX_TOUCHES, + INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | + INPUT_MT_TRACK); + + set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); +} + +static void alps_set_abs_params_ss4_v2(struct alps_data *priv, + struct input_dev *dev1) +{ + alps_set_abs_params_mt_common(priv, dev1); + input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); + set_bit(BTN_TOOL_QUINTTAP, dev1->keybit); - /* V7 is real multi-touch */ - if (priv->proto_version == ALPS_PROTO_V7) - clear_bit(INPUT_PROP_SEMI_MT, dev1->propbit); + input_mt_init_slots(dev1, MAX_TOUCHES, + INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | + INPUT_MT_TRACK); } int alps_init(struct psmouse *psmouse) @@ -2489,9 +2851,6 @@ int alps_init(struct psmouse *psmouse) dev1->evbit[BIT_WORD(EV_ABS)] |= BIT_MASK(EV_ABS); priv->set_abs_params(priv, dev1); - /* No pressure on V7 */ - if (priv->proto_version != ALPS_PROTO_V7) - input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0); if (priv->flags & ALPS_WHEEL) { dev1->evbit[BIT_WORD(EV_REL)] |= BIT_MASK(EV_REL); diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 02513c0502fc..d37f814dc447 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -22,14 +22,90 @@ #define ALPS_PROTO_V5 0x500 #define ALPS_PROTO_V6 0x600 #define ALPS_PROTO_V7 0x700 /* t3btl t4s */ +#define ALPS_PROTO_V8 0x800 /* SS4btl SS4s */ -#define MAX_TOUCHES 2 +#define MAX_TOUCHES 4 #define DOLPHIN_COUNT_PER_ELECTRODE 64 #define DOLPHIN_PROFILE_XOFFSET 8 /* x-electrode offset */ #define DOLPHIN_PROFILE_YOFFSET 1 /* y-electrode offset */ /* + * enum SS4_PACKET_ID - defines the packet type for V8 + * SS4_PACKET_ID_IDLE: There's no finger and no button activity. + * SS4_PACKET_ID_ONE: There's one finger on touchpad + * or there's button activities. + * SS4_PACKET_ID_TWO: There's two or more fingers on touchpad + * SS4_PACKET_ID_MULTI: There's three or more fingers on touchpad +*/ +enum SS4_PACKET_ID { + SS4_PACKET_ID_IDLE = 0, + SS4_PACKET_ID_ONE, + SS4_PACKET_ID_TWO, + SS4_PACKET_ID_MULTI, +}; + +#define SS4_COUNT_PER_ELECTRODE 256 +#define SS4_NUMSENSOR_XOFFSET 7 +#define SS4_NUMSENSOR_YOFFSET 7 +#define SS4_MIN_PITCH_MM 50 + +#define SS4_MASK_NORMAL_BUTTONS 0x07 + +#define SS4_1F_X_V2(_b) ((_b[0] & 0x0007) | \ + ((_b[1] << 3) & 0x0078) | \ + ((_b[1] << 2) & 0x0380) | \ + ((_b[2] << 5) & 0x1C00) \ + ) + +#define SS4_1F_Y_V2(_b) (((_b[2]) & 0x000F) | \ + ((_b[3] >> 2) & 0x0030) | \ + ((_b[4] << 6) & 0x03C0) | \ + ((_b[4] << 5) & 0x0C00) \ + ) + +#define SS4_1F_Z_V2(_b) (((_b[5]) & 0x0F) | \ + ((_b[5] >> 1) & 0x70) | \ + ((_b[4]) & 0x80) \ + ) + +#define SS4_1F_LFB_V2(_b) (((_b[2] >> 4) & 0x01) == 0x01) + +#define SS4_MF_LF_V2(_b, _i) ((_b[1 + (_i) * 3] & 0x0004) == 0x0004) + +#define SS4_BTN_V2(_b) ((_b[0] >> 5) & SS4_MASK_NORMAL_BUTTONS) + +#define SS4_STD_MF_X_V2(_b, _i) (((_b[0 + (_i) * 3] << 5) & 0x00E0) | \ + ((_b[1 + _i * 3] << 5) & 0x1F00) \ + ) + +#define SS4_STD_MF_Y_V2(_b, _i) (((_b[1 + (_i) * 3] << 3) & 0x0010) | \ + ((_b[2 + (_i) * 3] << 5) & 0x01E0) | \ + ((_b[2 + (_i) * 3] << 4) & 0x0E00) \ + ) + +#define SS4_BTL_MF_X_V2(_b, _i) (SS4_STD_MF_X_V2(_b, _i) | \ + ((_b[0 + (_i) * 3] >> 3) & 0x0010) \ + ) + +#define SS4_BTL_MF_Y_V2(_b, _i) (SS4_STD_MF_Y_V2(_b, _i) | \ + ((_b[0 + (_i) * 3] >> 3) & 0x0008) \ + ) + +#define SS4_MF_Z_V2(_b, _i) (((_b[1 + (_i) * 3]) & 0x0001) | \ + ((_b[1 + (_i) * 3] >> 1) & 0x0002) \ + ) + +#define SS4_IS_MF_CONTINUE(_b) ((_b[2] & 0x10) == 0x10) +#define SS4_IS_5F_DETECTED(_b) ((_b[2] & 0x10) == 0x10) + + +#define SS4_MFPACKET_NO_AX 8160 /* X-Coordinate value */ +#define SS4_MFPACKET_NO_AY 4080 /* Y-Coordinate value */ +#define SS4_MFPACKET_NO_AX_BL 8176 /* Buttonless X-Coordinate value */ +#define SS4_MFPACKET_NO_AY_BL 4088 /* Buttonless Y-Coordinate value */ + +/* * enum V7_PACKET_ID - defines the packet type for V7 * V7_PACKET_ID_IDLE: There's no finger and no button activity. * V7_PACKET_ID_TWO: There's one or two non-resting fingers on touchpad @@ -202,6 +278,7 @@ struct alps_data { int prev_fin; int multi_packet; + int second_touch; unsigned char multi_data[6]; struct alps_fields f; u8 quirks; diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c index 58f4f6fa4857..efe148474e7f 100644 --- a/drivers/input/mouse/cyapa.c +++ b/drivers/input/mouse/cyapa.c @@ -723,7 +723,7 @@ static ssize_t cyapa_update_suspend_scanrate(struct device *dev, } else if (sysfs_streq(buf, OFF_MODE_NAME)) { cyapa->suspend_power_mode = PWR_MODE_OFF; } else if (!kstrtou16(buf, 10, &sleep_time)) { - cyapa->suspend_sleep_time = max_t(u16, sleep_time, 1000); + cyapa->suspend_sleep_time = min_t(u16, sleep_time, 1000); cyapa->suspend_power_mode = cyapa_sleep_time_to_pwr_cmd(cyapa->suspend_sleep_time); } else { @@ -840,7 +840,7 @@ static ssize_t cyapa_update_rt_suspend_scanrate(struct device *dev, if (error) return error; - cyapa->runtime_suspend_sleep_time = max_t(u16, time, 1000); + cyapa->runtime_suspend_sleep_time = min_t(u16, time, 1000); cyapa->runtime_suspend_power_mode = cyapa_sleep_time_to_pwr_cmd(cyapa->runtime_suspend_sleep_time); diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c index 1e2291c378fe..3faf01c1b191 100644 --- a/drivers/input/mouse/cyapa_gen3.c +++ b/drivers/input/mouse/cyapa_gen3.c @@ -950,14 +950,13 @@ static u16 cyapa_get_wait_time_for_pwr_cmd(u8 pwr_mode) * Device power mode can only be set when device is in operational mode. */ static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode, - u16 always_unused) + u16 always_unused) { int ret; u8 power; int tries; u16 sleep_time; - always_unused = 0; if (cyapa->state != CYAPA_STATE_OP) return 0; diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c index 5b611dd71e79..afc39e799da2 100644 --- a/drivers/input/mouse/cyapa_gen5.c +++ b/drivers/input/mouse/cyapa_gen5.c @@ -352,7 +352,7 @@ struct gen5_app_cmd_head { u8 parameter_data[0]; /* Parameter data variable based on cmd_code */ } __packed; -/* Applicaton get/set parameter command data structure */ +/* Application get/set parameter command data structure */ struct gen5_app_set_parameter_data { u8 parameter_id; u8 parameter_size; @@ -832,7 +832,7 @@ static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data) int ret; /* 0x20 0x00 0xF7 is Gen5 Application HID Description Header; - * 0x20 0x00 0xFF is Gen5 Booloader HID Description Header. + * 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header. * * Must read HID Description content through out, * otherwise Gen5 trackpad cannot response next command @@ -1654,8 +1654,8 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa, * that trackpad unable to report signal to wake system up * in the special situation that system is in suspending, and * at the same time, user touch trackpad to wake system up. - * This function can avoid the data to be buffured when system - * is suspending which may cause interrput line unable to be + * This function can avoid the data to be buffered when system + * is suspending which may cause interrupt line unable to be * asserted again. */ cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); @@ -2546,16 +2546,11 @@ static bool cyapa_gen5_irq_cmd_handler(struct cyapa *cyapa) gen5_pip->resp_sort_func(cyapa, gen5_pip->irq_cmd_buf, length))) { /* - * Cover the Gen5 V1 firmware issue. - * The issue is there is no interrut will be - * asserted to notityf host to read a command - * data out when always has finger touch on - * trackpad during the command is issued to - * trackad device. - * This issue has the scenario is that, - * user always has his fingers touched on - * trackpad device when booting/rebooting - * their chrome book. + * Work around the Gen5 V1 firmware + * that does not assert interrupt signalling + * that command response is ready if user + * keeps touching the trackpad while command + * is sent to the device. */ length = 0; if (gen5_pip->resp_len) diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h index e100c1b31597..73670f2aebfd 100644 --- a/drivers/input/mouse/elan_i2c.h +++ b/drivers/input/mouse/elan_i2c.h @@ -17,7 +17,7 @@ */ #ifndef _ELAN_I2C_H -#define _ELAN_i2C_H +#define _ELAN_I2C_H #include <linux/types.h> @@ -25,16 +25,16 @@ #define ETP_ENABLE_CALIBRATE 0x0002 #define ETP_DISABLE_CALIBRATE 0x0000 #define ETP_DISABLE_POWER 0x0001 +#define ETP_PRESSURE_OFFSET 25 /* IAP Firmware handling */ -#define ETP_FW_NAME "elan_i2c.bin" +#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0" +#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin" #define ETP_IAP_START_ADDR 0x0083 #define ETP_FW_IAP_PAGE_ERR (1 << 5) #define ETP_FW_IAP_INTF_ERR (1 << 4) #define ETP_FW_PAGE_SIZE 64 -#define ETP_FW_VAILDPAGE_COUNT 768 #define ETP_FW_SIGNATURE_SIZE 6 -#define ETP_FW_SIGNATURE_ADDRESS 0xBFFA struct i2c_client; struct completion; @@ -57,7 +57,8 @@ struct elan_transport_ops { bool max_baseliune, u8 *value); int (*get_version)(struct i2c_client *client, bool iap, u8 *version); - int (*get_sm_version)(struct i2c_client *client, u8 *version); + int (*get_sm_version)(struct i2c_client *client, + u8* ic_type, u8 *version); int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); int (*get_product_id)(struct i2c_client *client, u8 *id); @@ -79,6 +80,8 @@ struct elan_transport_ops { struct completion *reset_done); int (*get_report)(struct i2c_client *client, u8 *report); + int (*get_pressure_adjustment)(struct i2c_client *client, + int *adjustment); }; extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops; diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 7ce8bfe22d7e..62641f2adaf7 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -4,7 +4,7 @@ * Copyright (c) 2013 ELAN Microelectronics Corp. * * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> - * Version: 1.5.6 + * Version: 1.5.9 * * Based on cyapa driver: * copyright (c) 2011-2012 Cypress Semiconductor, Inc. @@ -40,8 +40,7 @@ #include "elan_i2c.h" #define DRIVER_NAME "elan_i2c" -#define ELAN_DRIVER_VERSION "1.5.6" -#define ETP_PRESSURE_OFFSET 25 +#define ELAN_DRIVER_VERSION "1.5.9" #define ETP_MAX_PRESSURE 255 #define ETP_FWIDTH_REDUCE 90 #define ETP_FINGER_WIDTH 15 @@ -53,6 +52,7 @@ #define ETP_REPORT_ID_OFFSET 2 #define ETP_TOUCH_INFO_OFFSET 3 #define ETP_FINGER_DATA_OFFSET 4 +#define ETP_HOVER_INFO_OFFSET 30 #define ETP_MAX_REPORT_LEN 34 /* The main device structure */ @@ -81,8 +81,11 @@ struct elan_tp_data { u8 sm_version; u8 iap_version; u16 fw_checksum; - + int pressure_adjustment; u8 mode; + u8 ic_type; + u16 fw_vaildpage_count; + u16 fw_signature_address; bool irq_wake; @@ -91,6 +94,29 @@ struct elan_tp_data { bool baseline_ready; }; +static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count, + u16 *signature_address) +{ + switch(ic_type) { + case 0x09: + *vaildpage_count = 768; + break; + case 0x0D: + *vaildpage_count = 896; + break; + default: + /* unknown ic type clear value */ + *vaildpage_count = 0; + *signature_address = 0; + return -ENXIO; + } + + *signature_address = + (*vaildpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE; + + return 0; +} + static int elan_enable_power(struct elan_tp_data *data) { int repeat = ETP_RETRY_COUNT; @@ -99,7 +125,7 @@ static int elan_enable_power(struct elan_tp_data *data) error = regulator_enable(data->vcc); if (error) { dev_err(&data->client->dev, - "Failed to enable regulator: %d\n", error); + "failed to enable regulator: %d\n", error); return error; } @@ -111,6 +137,7 @@ static int elan_enable_power(struct elan_tp_data *data) msleep(30); } while (--repeat > 0); + dev_err(&data->client->dev, "failed to enable power: %d\n", error); return error; } @@ -125,7 +152,7 @@ static int elan_disable_power(struct elan_tp_data *data) error = regulator_disable(data->vcc); if (error) { dev_err(&data->client->dev, - "Failed to disable regulator: %d\n", + "failed to disable regulator: %d\n", error); /* Attempt to power the chip back up */ data->ops->power_control(data->client, true); @@ -138,6 +165,7 @@ static int elan_disable_power(struct elan_tp_data *data) msleep(30); } while (--repeat > 0); + dev_err(&data->client->dev, "failed to disable power: %d\n", error); return error; } @@ -196,7 +224,6 @@ static int elan_initialize(struct elan_tp_data *data) if (!error) return 0; - repeat--; msleep(30); } while (--repeat > 0); @@ -220,7 +247,8 @@ static int elan_query_device_info(struct elan_tp_data *data) if (error) return error; - error = data->ops->get_sm_version(data->client, &data->sm_version); + error = data->ops->get_sm_version(data->client, &data->ic_type, + &data->sm_version); if (error) return error; @@ -228,6 +256,19 @@ static int elan_query_device_info(struct elan_tp_data *data) if (error) return error; + error = data->ops->get_pressure_adjustment(data->client, + &data->pressure_adjustment); + if (error) + return error; + + error = elan_get_fwinfo(data->ic_type, &data->fw_vaildpage_count, + &data->fw_signature_address); + if (error) { + dev_err(&data->client->dev, + "unknown ic type %d\n", data->ic_type); + return error; + } + return 0; } @@ -312,7 +353,7 @@ static int __elan_update_firmware(struct elan_tp_data *data, iap_start_addr = get_unaligned_le16(&fw->data[ETP_IAP_START_ADDR * 2]); boot_page_count = (iap_start_addr * 2) / ETP_FW_PAGE_SIZE; - for (i = boot_page_count; i < ETP_FW_VAILDPAGE_COUNT; i++) { + for (i = boot_page_count; i < data->fw_vaildpage_count; i++) { u16 checksum = 0; const u8 *page = &fw->data[i * ETP_FW_PAGE_SIZE]; @@ -397,7 +438,8 @@ static ssize_t elan_sysfs_read_product_id(struct device *dev, struct i2c_client *client = to_i2c_client(dev); struct elan_tp_data *data = i2c_get_clientdata(client); - return sprintf(buf, "%d.0\n", data->product_id); + return sprintf(buf, ETP_PRODUCT_ID_FORMAT_STRING "\n", + data->product_id); } static ssize_t elan_sysfs_read_fw_ver(struct device *dev, @@ -436,19 +478,28 @@ static ssize_t elan_sysfs_update_fw(struct device *dev, { struct elan_tp_data *data = dev_get_drvdata(dev); const struct firmware *fw; + char *fw_name; int error; const u8 *fw_signature; static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF}; - error = request_firmware(&fw, ETP_FW_NAME, dev); + /* Look for a firmware with the product id appended. */ + fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id); + if (!fw_name) { + dev_err(dev, "failed to allocate memory for firmware name\n"); + return -ENOMEM; + } + + dev_info(dev, "requesting fw '%s'\n", fw_name); + error = request_firmware(&fw, fw_name, dev); + kfree(fw_name); if (error) { - dev_err(dev, "cannot load firmware %s: %d\n", - ETP_FW_NAME, error); + dev_err(dev, "failed to request firmware: %d\n", error); return error; } /* Firmware file must match signature data */ - fw_signature = &fw->data[ETP_FW_SIGNATURE_ADDRESS]; + fw_signature = &fw->data[data->fw_signature_address]; if (memcmp(fw_signature, signature, sizeof(signature)) != 0) { dev_err(dev, "signature mismatch (expected %*ph, got %*ph)\n", (int)sizeof(signature), signature, @@ -720,13 +771,13 @@ static const struct attribute_group *elan_sysfs_groups[] = { */ static void elan_report_contact(struct elan_tp_data *data, int contact_num, bool contact_valid, - u8 *finger_data) + bool hover_event, u8 *finger_data) { struct input_dev *input = data->input; unsigned int pos_x, pos_y; unsigned int pressure, mk_x, mk_y; - unsigned int area_x, area_y, major, minor, new_pressure; - + unsigned int area_x, area_y, major, minor; + unsigned int scaled_pressure; if (contact_valid) { pos_x = ((finger_data[0] & 0xf0) << 4) | @@ -755,15 +806,18 @@ static void elan_report_contact(struct elan_tp_data *data, major = max(area_x, area_y); minor = min(area_x, area_y); - new_pressure = pressure + ETP_PRESSURE_OFFSET; - if (new_pressure > ETP_MAX_PRESSURE) - new_pressure = ETP_MAX_PRESSURE; + scaled_pressure = pressure + data->pressure_adjustment; + + if (scaled_pressure > ETP_MAX_PRESSURE) + scaled_pressure = ETP_MAX_PRESSURE; input_mt_slot(input, contact_num); input_mt_report_slot_state(input, MT_TOOL_FINGER, true); input_report_abs(input, ABS_MT_POSITION_X, pos_x); input_report_abs(input, ABS_MT_POSITION_Y, data->max_y - pos_y); - input_report_abs(input, ABS_MT_PRESSURE, new_pressure); + input_report_abs(input, ABS_MT_DISTANCE, hover_event); + input_report_abs(input, ABS_MT_PRESSURE, + hover_event ? 0 : scaled_pressure); input_report_abs(input, ABS_TOOL_WIDTH, mk_x); input_report_abs(input, ABS_MT_TOUCH_MAJOR, major); input_report_abs(input, ABS_MT_TOUCH_MINOR, minor); @@ -779,11 +833,14 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet) u8 *finger_data = &packet[ETP_FINGER_DATA_OFFSET]; int i; u8 tp_info = packet[ETP_TOUCH_INFO_OFFSET]; - bool contact_valid; + u8 hover_info = packet[ETP_HOVER_INFO_OFFSET]; + bool contact_valid, hover_event; + hover_event = hover_info & 0x40; for (i = 0; i < ETP_MAX_FINGERS; i++) { contact_valid = tp_info & (1U << (3 + i)); - elan_report_contact(data, i, contact_valid, finger_data); + elan_report_contact(data, i, contact_valid, hover_event, + finger_data); if (contact_valid) finger_data += ETP_FINGER_DATA_LEN; @@ -877,6 +934,7 @@ static int elan_setup_input_device(struct elan_tp_data *data) ETP_FINGER_WIDTH * max_width, 0, 0); input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, ETP_FINGER_WIDTH * min_width, 0, 0); + input_set_abs_params(input, ABS_MT_DISTANCE, 0, 1, 0, 0); data->input = input; @@ -1084,16 +1142,18 @@ static int __maybe_unused elan_resume(struct device *dev) } error = elan_enable_power(data); - if (error) + if (error) { dev_err(dev, "power up when resuming failed: %d\n", error); + goto err; + } error = elan_initialize(data); if (error) dev_err(dev, "initialize when resuming failed: %d\n", error); +err: enable_irq(data->client->irq); - - return 0; + return error; } static SIMPLE_DEV_PM_OPS(elan_pm_ops, elan_suspend, elan_resume); diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c index 029941f861af..683c840c9dd7 100644 --- a/drivers/input/mouse/elan_i2c_i2c.c +++ b/drivers/input/mouse/elan_i2c_i2c.c @@ -41,6 +41,7 @@ #define ETP_I2C_MAX_X_AXIS_CMD 0x0106 #define ETP_I2C_MAX_Y_AXIS_CMD 0x0107 #define ETP_I2C_RESOLUTION_CMD 0x0108 +#define ETP_I2C_PRESSURE_CMD 0x010A #define ETP_I2C_IAP_VERSION_CMD 0x0110 #define ETP_I2C_SET_CMD 0x0300 #define ETP_I2C_POWER_CMD 0x0307 @@ -117,7 +118,15 @@ static int elan_i2c_write_cmd(struct i2c_client *client, u16 reg, u16 cmd) int ret; ret = i2c_transfer(client->adapter, &msg, 1); - return ret == 1 ? 0 : (ret < 0 ? ret : -EIO); + if (ret != 1) { + if (ret >= 0) + ret = -EIO; + dev_err(&client->dev, "writing cmd (0x%04x) failed: %d\n", + reg, ret); + return ret; + } + + return 0; } static int elan_i2c_initialize(struct i2c_client *client) @@ -250,7 +259,8 @@ static int elan_i2c_get_version(struct i2c_client *client, return 0; } -static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version) +static int elan_i2c_get_sm_version(struct i2c_client *client, + u8 *ic_type, u8 *version) { int error; u8 val[3]; @@ -262,6 +272,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version) } *version = val[0]; + *ic_type = val[1]; return 0; } @@ -356,8 +367,29 @@ static int elan_i2c_get_num_traces(struct i2c_client *client, return error; } - *x_traces = val[0] - 1; - *y_traces = val[1] - 1; + *x_traces = val[0]; + *y_traces = val[1]; + + return 0; +} + +static int elan_i2c_get_pressure_adjustment(struct i2c_client *client, + int *adjustment) +{ + int error; + u8 val[3]; + + error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val); + if (error) { + dev_err(&client->dev, "failed to get pressure format: %d\n", + error); + return error; + } + + if ((val[0] >> 4) & 0x1) + *adjustment = 0; + else + *adjustment = ETP_PRESSURE_OFFSET; return 0; } @@ -594,6 +626,7 @@ const struct elan_transport_ops elan_i2c_ops = { .get_sm_version = elan_i2c_get_sm_version, .get_product_id = elan_i2c_get_product_id, .get_checksum = elan_i2c_get_checksum, + .get_pressure_adjustment = elan_i2c_get_pressure_adjustment, .get_max = elan_i2c_get_max, .get_resolution = elan_i2c_get_resolution, diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c index 06a2bcd1cda2..ff36a366b2aa 100644 --- a/drivers/input/mouse/elan_i2c_smbus.c +++ b/drivers/input/mouse/elan_i2c_smbus.c @@ -165,7 +165,8 @@ static int elan_smbus_get_version(struct i2c_client *client, return 0; } -static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *version) +static int elan_smbus_get_sm_version(struct i2c_client *client, + u8 *ic_type, u8 *version) { int error; u8 val[3]; @@ -177,7 +178,8 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *version) return error; } - *version = val[0]; /* XXX Why 0 and not 2 as in IAP/FW versions? */ + *version = val[0]; + *ic_type = val[1]; return 0; } @@ -268,12 +270,19 @@ static int elan_smbus_get_num_traces(struct i2c_client *client, return error; } - *x_traces = val[1] - 1; - *y_traces = val[2] - 1; + *x_traces = val[1]; + *y_traces = val[2]; return 0; } +static int elan_smbus_get_pressure_adjustment(struct i2c_client *client, + int *adjustment) +{ + *adjustment = ETP_PRESSURE_OFFSET; + return 0; +} + static int elan_smbus_iap_get_mode(struct i2c_client *client, enum tp_mode *mode) { @@ -497,6 +506,7 @@ const struct elan_transport_ops elan_smbus_ops = { .get_sm_version = elan_smbus_get_sm_version, .get_product_id = elan_smbus_get_product_id, .get_checksum = elan_smbus_get_checksum, + .get_pressure_adjustment = elan_smbus_get_pressure_adjustment, .get_max = elan_smbus_get_max, .get_resolution = elan_smbus_get_resolution, diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 6e22682c8255..ce3d40004458 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -315,7 +315,7 @@ static void elantech_report_semi_mt_data(struct input_dev *dev, unsigned int x2, unsigned int y2) { elantech_set_slot(dev, 0, num_fingers != 0, x1, y1); - elantech_set_slot(dev, 1, num_fingers == 2, x2, y2); + elantech_set_slot(dev, 1, num_fingers >= 2, x2, y2); } /* @@ -893,6 +893,21 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) } /* + * This writes the reg_07 value again to the hardware at the end of every + * set_rate call because the register loses its value. reg_07 allows setting + * absolute mode on v4 hardware + */ +static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse, + unsigned int rate) +{ + struct elantech_data *etd = psmouse->private; + + etd->original_set_rate(psmouse, rate); + if (elantech_write_reg(psmouse, 0x07, etd->reg_07)) + psmouse_err(psmouse, "restoring reg_07 failed\n"); +} + +/* * Put the touchpad into absolute mode */ static int elantech_set_absolute_mode(struct psmouse *psmouse) @@ -1094,6 +1109,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Asus K53SV 0x450f01 78, 15, 0c 2 hw buttons * Asus G46VW 0x460f02 00, 18, 0c 2 hw buttons * Asus G750JX 0x360f00 00, 16, 0c 2 hw buttons + * Asus TP500LN 0x381f17 10, 14, 0e clickpad + * Asus X750JN 0x381f17 10, 14, 0e clickpad * Asus UX31 0x361f00 20, 15, 0e clickpad * Asus UX32VD 0x361f02 00, 15, 0e clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad @@ -1359,10 +1376,11 @@ static bool elantech_is_signature_valid(const unsigned char *param) return true; /* - * Some models have a revision higher then 20. Meaning param[2] may - * be 10 or 20, skip the rates check for these. + * Some hw_version >= 4 models have a revision higher then 20. Meaning + * that param[2] may be 10 or 20, skip the rates check for these. */ - if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40) + if ((param[0] & 0x0f) >= 0x06 && (param[1] & 0xaf) == 0x0f && + param[2] < 40) return true; for (i = 0; i < ARRAY_SIZE(rates); i++) @@ -1538,6 +1556,7 @@ static int elantech_set_properties(struct elantech_data *etd) case 9: case 10: case 13: + case 14: etd->hw_version = 4; break; default: @@ -1635,6 +1654,11 @@ int elantech_init(struct psmouse *psmouse) goto init_fail; } + if (etd->fw_version == 0x381f17) { + etd->original_set_rate = psmouse->set_rate; + psmouse->set_rate = elantech_set_rate_restore_reg_07; + } + if (elantech_set_input_params(psmouse)) { psmouse_err(psmouse, "failed to query touchpad range.\n"); goto init_fail; diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index 6f3afec02f03..f965d1569cc3 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -142,6 +142,7 @@ struct elantech_data { struct finger_pos mt[ETP_MAX_FINGERS]; unsigned char parity[256]; int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param); + void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate); }; #ifdef CONFIG_MOUSE_PS2_ELANTECH diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index 23d259416f2f..4d5576de81be 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -103,6 +103,16 @@ struct focaltech_hw_state { */ struct focaltech_finger_state fingers[FOC_MAX_FINGERS]; + /* + * Finger width 0-7 and 15 for a very big contact area. + * 15 value stays until the finger is released. + * Width is reported only in absolute packets. + * Since hardware reports width only for last touching finger, + * there is no need to store width for every specific finger, + * so we keep only last value reported. + */ + unsigned int width; + /* True if the clickpad has been pressed. */ bool pressed; }; @@ -137,6 +147,7 @@ static void focaltech_report_state(struct psmouse *psmouse) input_report_abs(dev, ABS_MT_POSITION_X, clamped_x); input_report_abs(dev, ABS_MT_POSITION_Y, priv->y_max - clamped_y); + input_report_abs(dev, ABS_TOOL_WIDTH, state->width); } } input_mt_report_pointer_emulation(dev, true); @@ -187,6 +198,7 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse, state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2]; state->fingers[finger].y = (packet[3] << 8) | packet[4]; + state->width = packet[5] >> 4; state->fingers[finger].valid = true; } @@ -331,6 +343,7 @@ static void focaltech_set_input_params(struct psmouse *psmouse) __set_bit(EV_ABS, dev->evbit); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0); + input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); input_mt_init_slots(dev, 5, INPUT_MT_POINTER); __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); } diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index 23222dd5a66f..e5ed216824e9 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -256,8 +256,8 @@ static void lifebook_disconnect(struct psmouse *psmouse) int lifebook_detect(struct psmouse *psmouse, bool set_properties) { - if (!lifebook_present) - return -1; + if (!lifebook_present) + return -1; if (desired_serio_phys && strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys)) @@ -268,7 +268,7 @@ int lifebook_detect(struct psmouse *psmouse, bool set_properties) psmouse->name = "Lifebook TouchScreen"; } - return 0; + return 0; } static int lifebook_create_relative_device(struct psmouse *psmouse) diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 8bc61237bc1b..7c4ba43d253e 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -36,6 +36,7 @@ #include "sentelic.h" #include "cypress_ps2.h" #include "focaltech.h" +#include "vmmouse.h" #define DRIVER_DESC "PS/2 mouse driver" @@ -62,7 +63,7 @@ static unsigned int psmouse_rate = 100; module_param_named(rate, psmouse_rate, uint, 0644); MODULE_PARM_DESC(rate, "Report rate, in reports per second."); -static bool psmouse_smartscroll = 1; +static bool psmouse_smartscroll = true; module_param_named(smartscroll, psmouse_smartscroll, bool, 0644); MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled."); @@ -474,19 +475,45 @@ static int psmouse_poll(struct psmouse *psmouse) PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)); } +static bool psmouse_check_pnp_id(const char *id, const char * const ids[]) +{ + int i; + + for (i = 0; ids[i]; i++) + if (!strcasecmp(id, ids[i])) + return true; + + return false; +} + /* * psmouse_matches_pnp_id - check if psmouse matches one of the passed in ids. */ bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[]) { - int i; - - if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) - for (i = 0; ids[i]; i++) - if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i])) - return true; + struct serio *serio = psmouse->ps2dev.serio; + char *p, *fw_id_copy, *save_ptr; + bool found = false; + + if (strncmp(serio->firmware_id, "PNP: ", 5)) + return false; + + fw_id_copy = kstrndup(&serio->firmware_id[5], + sizeof(serio->firmware_id) - 5, + GFP_KERNEL); + if (!fw_id_copy) + return false; + + save_ptr = fw_id_copy; + while ((p = strsep(&fw_id_copy, " ")) != NULL) { + if (psmouse_check_pnp_id(p, ids)) { + found = true; + break; + } + } - return false; + kfree(save_ptr); + return found; } /* @@ -764,6 +791,13 @@ static int psmouse_extensions(struct psmouse *psmouse, } } + if (psmouse_do_detect(vmmouse_detect, psmouse, set_properties) == 0) { + if (max_proto > PSMOUSE_IMEX) { + if (!set_properties || vmmouse_init(psmouse) == 0) + return PSMOUSE_VMMOUSE; + } + } + /* * Try Kensington ThinkingMouse (we try first, because synaptics probe * upsets the thinkingmouse). @@ -1087,6 +1121,15 @@ static const struct psmouse_protocol psmouse_protocols[] = { .init = focaltech_init, }, #endif +#ifdef CONFIG_MOUSE_PS2_VMMOUSE + { + .type = PSMOUSE_VMMOUSE, + .name = VMMOUSE_PSNAME, + .alias = "vmmouse", + .detect = vmmouse_detect, + .init = vmmouse_init, + }, +#endif { .type = PSMOUSE_AUTO, .name = "auto", diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index d02e1bdc9ae4..ad5a5a1ea872 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -103,6 +103,7 @@ enum psmouse_type { PSMOUSE_SYNAPTICS_RELATIVE, PSMOUSE_CYPRESS, PSMOUSE_FOCALTECH, + PSMOUSE_VMMOUSE, PSMOUSE_AUTO /* This one should always be last */ }; diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h index aa697ece405b..42df9e3beae8 100644 --- a/drivers/input/mouse/sentelic.h +++ b/drivers/input/mouse/sentelic.h @@ -123,11 +123,11 @@ struct fsp_data { extern int fsp_detect(struct psmouse *psmouse, bool set_properties); extern int fsp_init(struct psmouse *psmouse); #else -inline int fsp_detect(struct psmouse *psmouse, bool set_properties) +static inline int fsp_detect(struct psmouse *psmouse, bool set_properties) { return -ENOSYS; } -inline int fsp_init(struct psmouse *psmouse) +static inline int fsp_init(struct psmouse *psmouse) { return -ENOSYS; } diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 3b06c8a360b6..35c8d0ceabee 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -67,6 +67,9 @@ #define X_MAX_POSITIVE 8176 #define Y_MAX_POSITIVE 8176 +/* maximum ABS_MT_POSITION displacement (in mm) */ +#define DMAX 10 + /***************************************************************************** * Stuff we need even when we do not want native Synaptics support ****************************************************************************/ @@ -148,6 +151,11 @@ static const struct min_max_quirk min_max_pnpid_table[] = { 1024, 5112, 2024, 4832 }, { + (const char * const []){"LEN2000", NULL}, + {ANY_BOARD_ID, ANY_BOARD_ID}, + 1024, 5113, 2021, 4832 + }, + { (const char * const []){"LEN2001", NULL}, {ANY_BOARD_ID, ANY_BOARD_ID}, 1024, 5022, 2508, 4832 @@ -188,7 +196,7 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0045", "LEN0047", "LEN0049", - "LEN2000", + "LEN2000", /* S540 */ "LEN2001", /* Edge E431 */ "LEN2002", /* Edge E531 */ "LEN2003", @@ -203,6 +211,13 @@ static const char * const topbuttonpad_pnp_ids[] = { NULL }; +/* This list has been kindly provided by Synaptics. */ +static const char * const forcepad_pnp_ids[] = { + "SYN300D", + "SYN3014", + NULL +}; + /***************************************************************************** * Synaptics communications functions ****************************************************************************/ @@ -687,8 +702,6 @@ static void synaptics_parse_ext_buttons(const unsigned char buf[], hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits; } -static bool is_forcepad; - static int synaptics_parse_hw_state(const unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw) @@ -718,7 +731,7 @@ static int synaptics_parse_hw_state(const unsigned char buf[], hw->left = (buf[0] & 0x01) ? 1 : 0; hw->right = (buf[0] & 0x02) ? 1 : 0; - if (is_forcepad) { + if (priv->is_forcepad) { /* * ForcePads, like Clickpads, use middle button * bits to report primary button clicks. @@ -917,7 +930,7 @@ static void synaptics_report_mt_data(struct psmouse *psmouse, pos[i].y = synaptics_invert_y(hw[i]->y); } - input_mt_assign_slots(dev, slot, pos, nsemi, 0); + input_mt_assign_slots(dev, slot, pos, nsemi, DMAX * priv->x_res); for (i = 0; i < nsemi; i++) { input_mt_slot(dev, slot[i]); @@ -1186,7 +1199,7 @@ static void set_input_params(struct psmouse *psmouse, ABS_MT_POSITION_Y); /* Image sensors can report per-contact pressure */ input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); - input_mt_init_slots(dev, 2, INPUT_MT_POINTER | INPUT_MT_TRACK); + input_mt_init_slots(dev, 3, INPUT_MT_POINTER | INPUT_MT_TRACK); /* Image sensors can signal 4 and 5 finger clicks */ __set_bit(BTN_TOOL_QUADTAP, dev->keybit); @@ -1418,29 +1431,11 @@ static const struct dmi_system_id __initconst cr48_dmi_table[] = { { } }; -static const struct dmi_system_id forcepad_dmi_table[] __initconst = { -#if defined(CONFIG_DMI) && defined(CONFIG_X86) - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Folio 1040 G1"), - }, - }, -#endif - { } -}; - void __init synaptics_module_init(void) { impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); broken_olpc_ec = dmi_check_system(olpc_dmi_table); cr48_profile_sensor = dmi_check_system(cr48_dmi_table); - - /* - * Unfortunately ForcePad capability is not exported over PS/2, - * so we have to resort to checking DMI. - */ - is_forcepad = dmi_check_system(forcepad_dmi_table); } static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) @@ -1475,6 +1470,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) priv->disable_gesture = true; + /* + * Unfortunately ForcePad capability is not exported over PS/2, + * so we have to resort to checking PNP IDs. + */ + priv->is_forcepad = psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids); + if (synaptics_set_mode(psmouse)) { psmouse_err(psmouse, "Unable to initialize device.\n"); goto init_fail; diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index ee4bd0d12b26..56faa7ec4434 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -196,6 +196,7 @@ struct synaptics_data { unsigned long press_start; bool press; bool report_press; + bool is_forcepad; }; void synaptics_module_init(void); diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c index 878f18498f3b..ffceedcaf3c8 100644 --- a/drivers/input/mouse/synaptics_i2c.c +++ b/drivers/input/mouse/synaptics_i2c.c @@ -185,7 +185,7 @@ #define NO_DATA_SLEEP_MSECS (MSEC_PER_SEC / 4) /* Control touchpad's No Deceleration option */ -static bool no_decel = 1; +static bool no_decel = true; module_param(no_decel, bool, 0644); MODULE_PARM_DESC(no_decel, "No Deceleration. Default = 1 (on)"); @@ -340,9 +340,9 @@ static bool synaptics_i2c_get_input(struct synaptics_i2c *touch) s32 data; s8 x_delta, y_delta; - /* Deal with spontanious resets and errors */ + /* Deal with spontaneous resets and errors */ if (synaptics_i2c_check_error(touch->client)) - return 0; + return false; /* Get Gesture Bit */ data = synaptics_i2c_reg_get(touch->client, DATA_REG0); diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c new file mode 100644 index 000000000000..e272f06258ce --- /dev/null +++ b/drivers/input/mouse/vmmouse.c @@ -0,0 +1,508 @@ +/* + * Driver for Virtual PS/2 Mouse on VMware and QEMU hypervisors. + * + * Copyright (C) 2014, VMware, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * Twin device code is hugely inspired by the ALPS driver. + * Authors: + * Dmitry Torokhov <dmitry.torokhov@gmail.com> + * Thomas Hellstrom <thellstrom@vmware.com> + */ + +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/libps2.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <asm/hypervisor.h> + +#include "psmouse.h" +#include "vmmouse.h" + +#define VMMOUSE_PROTO_MAGIC 0x564D5868U +#define VMMOUSE_PROTO_PORT 0x5658 + +/* + * Main commands supported by the vmmouse hypervisor port. + */ +#define VMMOUSE_PROTO_CMD_GETVERSION 10 +#define VMMOUSE_PROTO_CMD_ABSPOINTER_DATA 39 +#define VMMOUSE_PROTO_CMD_ABSPOINTER_STATUS 40 +#define VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND 41 +#define VMMOUSE_PROTO_CMD_ABSPOINTER_RESTRICT 86 + +/* + * Subcommands for VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND + */ +#define VMMOUSE_CMD_ENABLE 0x45414552U +#define VMMOUSE_CMD_DISABLE 0x000000f5U +#define VMMOUSE_CMD_REQUEST_RELATIVE 0x4c455252U +#define VMMOUSE_CMD_REQUEST_ABSOLUTE 0x53424152U + +#define VMMOUSE_ERROR 0xffff0000U + +#define VMMOUSE_VERSION_ID 0x3442554aU + +#define VMMOUSE_RELATIVE_PACKET 0x00010000U + +#define VMMOUSE_LEFT_BUTTON 0x20 +#define VMMOUSE_RIGHT_BUTTON 0x10 +#define VMMOUSE_MIDDLE_BUTTON 0x08 + +/* + * VMMouse Restrict command + */ +#define VMMOUSE_RESTRICT_ANY 0x00 +#define VMMOUSE_RESTRICT_CPL0 0x01 +#define VMMOUSE_RESTRICT_IOPL 0x02 + +#define VMMOUSE_MAX_X 0xFFFF +#define VMMOUSE_MAX_Y 0xFFFF + +#define VMMOUSE_VENDOR "VMware" +#define VMMOUSE_NAME "VMMouse" + +/** + * struct vmmouse_data - private data structure for the vmmouse driver + * + * @abs_dev: "Absolute" device used to report absolute mouse movement. + * @phys: Physical path for the absolute device. + * @dev_name: Name attribute name for the absolute device. + */ +struct vmmouse_data { + struct input_dev *abs_dev; + char phys[32]; + char dev_name[128]; +}; + +/** + * Hypervisor-specific bi-directional communication channel + * implementing the vmmouse protocol. Should never execute on + * bare metal hardware. + */ +#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4) \ +({ \ + unsigned long __dummy1, __dummy2; \ + __asm__ __volatile__ ("inl %%dx" : \ + "=a"(out1), \ + "=b"(out2), \ + "=c"(out3), \ + "=d"(out4), \ + "=S"(__dummy1), \ + "=D"(__dummy2) : \ + "a"(VMMOUSE_PROTO_MAGIC), \ + "b"(in1), \ + "c"(VMMOUSE_PROTO_CMD_##cmd), \ + "d"(VMMOUSE_PROTO_PORT) : \ + "memory"); \ +}) + +/** + * vmmouse_report_button - report button state on the correct input device + * + * @psmouse: Pointer to the psmouse struct + * @abs_dev: The absolute input device + * @rel_dev: The relative input device + * @pref_dev: The preferred device for reporting + * @code: Button code + * @value: Button value + * + * Report @value and @code on @pref_dev, unless the button is already + * pressed on the other device, in which case the state is reported on that + * device. + */ +static void vmmouse_report_button(struct psmouse *psmouse, + struct input_dev *abs_dev, + struct input_dev *rel_dev, + struct input_dev *pref_dev, + unsigned int code, int value) +{ + if (test_bit(code, abs_dev->key)) + pref_dev = abs_dev; + else if (test_bit(code, rel_dev->key)) + pref_dev = rel_dev; + + input_report_key(pref_dev, code, value); +} + +/** + * vmmouse_report_events - process events on the vmmouse communications channel + * + * @psmouse: Pointer to the psmouse struct + * + * This function pulls events from the vmmouse communications channel and + * reports them on the correct (absolute or relative) input device. When the + * communications channel is drained, or if we've processed more than 255 + * psmouse commands, the function returns PSMOUSE_FULL_PACKET. If there is a + * host- or synchronization error, the function returns PSMOUSE_BAD_DATA in + * the hope that the caller will reset the communications channel. + */ +static psmouse_ret_t vmmouse_report_events(struct psmouse *psmouse) +{ + struct input_dev *rel_dev = psmouse->dev; + struct vmmouse_data *priv = psmouse->private; + struct input_dev *abs_dev = priv->abs_dev; + struct input_dev *pref_dev; + u32 status, x, y, z; + u32 dummy1, dummy2, dummy3; + unsigned int queue_length; + unsigned int count = 255; + + while (count--) { + /* See if we have motion data. */ + VMMOUSE_CMD(ABSPOINTER_STATUS, 0, + status, dummy1, dummy2, dummy3); + if ((status & VMMOUSE_ERROR) == VMMOUSE_ERROR) { + psmouse_err(psmouse, "failed to fetch status data\n"); + /* + * After a few attempts this will result in + * reconnect. + */ + return PSMOUSE_BAD_DATA; + } + + queue_length = status & 0xffff; + if (queue_length == 0) + break; + + if (queue_length % 4) { + psmouse_err(psmouse, "invalid queue length\n"); + return PSMOUSE_BAD_DATA; + } + + /* Now get it */ + VMMOUSE_CMD(ABSPOINTER_DATA, 4, status, x, y, z); + + /* + * And report what we've got. Prefer to report button + * events on the same device where we report motion events. + * This doesn't work well with the mouse wheel, though. See + * below. Ideally we would want to report that on the + * preferred device as well. + */ + if (status & VMMOUSE_RELATIVE_PACKET) { + pref_dev = rel_dev; + input_report_rel(rel_dev, REL_X, (s32)x); + input_report_rel(rel_dev, REL_Y, -(s32)y); + } else { + pref_dev = abs_dev; + input_report_abs(abs_dev, ABS_X, x); + input_report_abs(abs_dev, ABS_Y, y); + } + + /* Xorg seems to ignore wheel events on absolute devices */ + input_report_rel(rel_dev, REL_WHEEL, -(s8)((u8) z)); + + vmmouse_report_button(psmouse, abs_dev, rel_dev, + pref_dev, BTN_LEFT, + status & VMMOUSE_LEFT_BUTTON); + vmmouse_report_button(psmouse, abs_dev, rel_dev, + pref_dev, BTN_RIGHT, + status & VMMOUSE_RIGHT_BUTTON); + vmmouse_report_button(psmouse, abs_dev, rel_dev, + pref_dev, BTN_MIDDLE, + status & VMMOUSE_MIDDLE_BUTTON); + input_sync(abs_dev); + input_sync(rel_dev); + } + + return PSMOUSE_FULL_PACKET; +} + +/** + * vmmouse_process_byte - process data on the ps/2 channel + * + * @psmouse: Pointer to the psmouse struct + * + * When the ps/2 channel indicates that there is vmmouse data available, + * call vmmouse channel processing. Otherwise, continue to accept bytes. If + * there is a synchronization or communication data error, return + * PSMOUSE_BAD_DATA in the hope that the caller will reset the mouse. + */ +static psmouse_ret_t vmmouse_process_byte(struct psmouse *psmouse) +{ + unsigned char *packet = psmouse->packet; + + switch (psmouse->pktcnt) { + case 1: + return (packet[0] & 0x8) == 0x8 ? + PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; + + case 2: + return PSMOUSE_GOOD_DATA; + + default: + return vmmouse_report_events(psmouse); + } +} + +/** + * vmmouse_disable - Disable vmmouse + * + * @psmouse: Pointer to the psmouse struct + * + * Tries to disable vmmouse mode. + */ +static void vmmouse_disable(struct psmouse *psmouse) +{ + u32 status; + u32 dummy1, dummy2, dummy3, dummy4; + + VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_DISABLE, + dummy1, dummy2, dummy3, dummy4); + + VMMOUSE_CMD(ABSPOINTER_STATUS, 0, + status, dummy1, dummy2, dummy3); + + if ((status & VMMOUSE_ERROR) != VMMOUSE_ERROR) + psmouse_warn(psmouse, "failed to disable vmmouse device\n"); +} + +/** + * vmmouse_enable - Enable vmmouse and request absolute mode. + * + * @psmouse: Pointer to the psmouse struct + * + * Tries to enable vmmouse mode. Performs basic checks and requests + * absolute vmmouse mode. + * Returns 0 on success, -ENODEV on failure. + */ +static int vmmouse_enable(struct psmouse *psmouse) +{ + u32 status, version; + u32 dummy1, dummy2, dummy3, dummy4; + + /* + * Try enabling the device. If successful, we should be able to + * read valid version ID back from it. + */ + VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_ENABLE, + dummy1, dummy2, dummy3, dummy4); + + /* + * See if version ID can be retrieved. + */ + VMMOUSE_CMD(ABSPOINTER_STATUS, 0, status, dummy1, dummy2, dummy3); + if ((status & 0x0000ffff) == 0) { + psmouse_dbg(psmouse, "empty flags - assuming no device\n"); + return -ENXIO; + } + + VMMOUSE_CMD(ABSPOINTER_DATA, 1 /* single item */, + version, dummy1, dummy2, dummy3); + if (version != VMMOUSE_VERSION_ID) { + psmouse_dbg(psmouse, "Unexpected version value: %u vs %u\n", + (unsigned) version, VMMOUSE_VERSION_ID); + vmmouse_disable(psmouse); + return -ENXIO; + } + + /* + * Restrict ioport access, if possible. + */ + VMMOUSE_CMD(ABSPOINTER_RESTRICT, VMMOUSE_RESTRICT_CPL0, + dummy1, dummy2, dummy3, dummy4); + + VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_REQUEST_ABSOLUTE, + dummy1, dummy2, dummy3, dummy4); + + return 0; +} + +/* + * Array of supported hypervisors. + */ +static const struct hypervisor_x86 *vmmouse_supported_hypervisors[] = { + &x86_hyper_vmware, +#ifdef CONFIG_KVM_GUEST + &x86_hyper_kvm, +#endif +}; + +/** + * vmmouse_check_hypervisor - Check if we're running on a supported hypervisor + */ +static bool vmmouse_check_hypervisor(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(vmmouse_supported_hypervisors); i++) + if (vmmouse_supported_hypervisors[i] == x86_hyper) + return true; + + return false; +} + +/** + * vmmouse_detect - Probe whether vmmouse is available + * + * @psmouse: Pointer to the psmouse struct + * @set_properties: Whether to set psmouse name and vendor + * + * Returns 0 if vmmouse channel is available. Negative error code if not. + */ +int vmmouse_detect(struct psmouse *psmouse, bool set_properties) +{ + u32 response, version, dummy1, dummy2; + + if (!vmmouse_check_hypervisor()) { + psmouse_dbg(psmouse, + "VMMouse not running on supported hypervisor.\n"); + return -ENXIO; + } + + if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) { + psmouse_dbg(psmouse, "VMMouse port in use.\n"); + return -EBUSY; + } + + /* Check if the device is present */ + response = ~VMMOUSE_PROTO_MAGIC; + VMMOUSE_CMD(GETVERSION, 0, version, response, dummy1, dummy2); + if (response != VMMOUSE_PROTO_MAGIC || version == 0xffffffffU) { + release_region(VMMOUSE_PROTO_PORT, 4); + return -ENXIO; + } + + if (set_properties) { + psmouse->vendor = VMMOUSE_VENDOR; + psmouse->name = VMMOUSE_NAME; + psmouse->model = version; + } + + release_region(VMMOUSE_PROTO_PORT, 4); + + return 0; +} + +/** + * vmmouse_disconnect - Take down vmmouse driver + * + * @psmouse: Pointer to the psmouse struct + * + * Takes down vmmouse driver and frees resources set up in vmmouse_init(). + */ +static void vmmouse_disconnect(struct psmouse *psmouse) +{ + struct vmmouse_data *priv = psmouse->private; + + vmmouse_disable(psmouse); + psmouse_reset(psmouse); + input_unregister_device(priv->abs_dev); + kfree(priv); + release_region(VMMOUSE_PROTO_PORT, 4); +} + +/** + * vmmouse_reconnect - Reset the ps/2 - and vmmouse connections + * + * @psmouse: Pointer to the psmouse struct + * + * Attempts to reset the mouse connections. Returns 0 on success and + * -1 on failure. + */ +static int vmmouse_reconnect(struct psmouse *psmouse) +{ + int error; + + psmouse_reset(psmouse); + vmmouse_disable(psmouse); + error = vmmouse_enable(psmouse); + if (error) { + psmouse_err(psmouse, + "Unable to re-enable mouse when reconnecting, err: %d\n", + error); + return error; + } + + return 0; +} + +/** + * vmmouse_init - Initialize the vmmouse driver + * + * @psmouse: Pointer to the psmouse struct + * + * Requests the device and tries to enable vmmouse mode. + * If successful, sets up the input device for relative movement events. + * It also allocates another input device and sets it up for absolute motion + * events. Returns 0 on success and -1 on failure. + */ +int vmmouse_init(struct psmouse *psmouse) +{ + struct vmmouse_data *priv; + struct input_dev *rel_dev = psmouse->dev, *abs_dev; + int error; + + if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) { + psmouse_dbg(psmouse, "VMMouse port in use.\n"); + return -EBUSY; + } + + psmouse_reset(psmouse); + error = vmmouse_enable(psmouse); + if (error) + goto release_region; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + abs_dev = input_allocate_device(); + if (!priv || !abs_dev) { + error = -ENOMEM; + goto init_fail; + } + + priv->abs_dev = abs_dev; + psmouse->private = priv; + + input_set_capability(rel_dev, EV_REL, REL_WHEEL); + + /* Set up and register absolute device */ + snprintf(priv->phys, sizeof(priv->phys), "%s/input1", + psmouse->ps2dev.serio->phys); + + /* Mimic name setup for relative device in psmouse-base.c */ + snprintf(priv->dev_name, sizeof(priv->dev_name), "%s %s %s", + VMMOUSE_PSNAME, VMMOUSE_VENDOR, VMMOUSE_NAME); + abs_dev->phys = priv->phys; + abs_dev->name = priv->dev_name; + abs_dev->id.bustype = BUS_I8042; + abs_dev->id.vendor = 0x0002; + abs_dev->id.product = PSMOUSE_VMMOUSE; + abs_dev->id.version = psmouse->model; + abs_dev->dev.parent = &psmouse->ps2dev.serio->dev; + + error = input_register_device(priv->abs_dev); + if (error) + goto init_fail; + + /* Set absolute device capabilities */ + input_set_capability(abs_dev, EV_KEY, BTN_LEFT); + input_set_capability(abs_dev, EV_KEY, BTN_RIGHT); + input_set_capability(abs_dev, EV_KEY, BTN_MIDDLE); + input_set_capability(abs_dev, EV_ABS, ABS_X); + input_set_capability(abs_dev, EV_ABS, ABS_Y); + input_set_abs_params(abs_dev, ABS_X, 0, VMMOUSE_MAX_X, 0, 0); + input_set_abs_params(abs_dev, ABS_Y, 0, VMMOUSE_MAX_Y, 0, 0); + + psmouse->protocol_handler = vmmouse_process_byte; + psmouse->disconnect = vmmouse_disconnect; + psmouse->reconnect = vmmouse_reconnect; + + return 0; + +init_fail: + vmmouse_disable(psmouse); + psmouse_reset(psmouse); + input_free_device(abs_dev); + kfree(priv); + psmouse->private = NULL; + +release_region: + release_region(VMMOUSE_PROTO_PORT, 4); + + return error; +} diff --git a/drivers/input/mouse/vmmouse.h b/drivers/input/mouse/vmmouse.h new file mode 100644 index 000000000000..6f126017a24c --- /dev/null +++ b/drivers/input/mouse/vmmouse.h @@ -0,0 +1,30 @@ +/* + * Driver for Virtual PS/2 Mouse on VMware and QEMU hypervisors. + * + * Copyright (C) 2014, VMware, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#ifndef _VMMOUSE_H +#define _VMMOUSE_H + +#ifdef CONFIG_MOUSE_PS2_VMMOUSE +#define VMMOUSE_PSNAME "VirtualPS/2" + +int vmmouse_detect(struct psmouse *psmouse, bool set_properties); +int vmmouse_init(struct psmouse *psmouse); +#else +static inline int vmmouse_detect(struct psmouse *psmouse, bool set_properties) +{ + return -ENOSYS; +} +static inline int vmmouse_init(struct psmouse *psmouse) +{ + return -ENOSYS; +} +#endif + +#endif diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 94ab494a6ade..ecba666afadb 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -31,7 +31,6 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/ioport.h> -#include <linux/pci_ids.h> #include <asm/irq.h> #include <asm/io.h> diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 986a71c614b0..cb5ece77fd7d 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -1162,13 +1162,32 @@ static int i8042_controller_resume(bool force_reset) static int i8042_pm_suspend(struct device *dev) { + int i; + i8042_controller_reset(true); + /* Set up serio interrupts for system wakeup. */ + for (i = 0; i < I8042_NUM_PORTS; i++) { + struct serio *serio = i8042_ports[i].serio; + + if (serio && device_may_wakeup(&serio->dev)) + enable_irq_wake(i8042_ports[i].irq); + } + return 0; } static int i8042_pm_resume(struct device *dev) { + int i; + + for (i = 0; i < I8042_NUM_PORTS; i++) { + struct serio *serio = i8042_ports[i].serio; + + if (serio && device_may_wakeup(&serio->dev)) + disable_irq_wake(i8042_ports[i].irq); + } + /* * On resume from S2R we always try to reset the controller * to bring it in a sane state. (In case of S2D we expect @@ -1300,13 +1319,16 @@ static void __init i8042_register_ports(void) int i; for (i = 0; i < I8042_NUM_PORTS; i++) { - if (i8042_ports[i].serio) { + struct serio *serio = i8042_ports[i].serio; + + if (serio) { printk(KERN_INFO "serio: %s at %#lx,%#lx irq %d\n", - i8042_ports[i].serio->name, + serio->name, (unsigned long) I8042_DATA_REG, (unsigned long) I8042_COMMAND_REG, i8042_ports[i].irq); - serio_register_port(i8042_ports[i].serio); + serio_register_port(serio); + device_set_wakeup_capable(&serio->dev, true); } } } diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 6261fd6d7c3c..7afa6a2b776c 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -140,6 +140,19 @@ config TOUCHSCREEN_BU21013 To compile this driver as a module, choose M here: the module will be called bu21013_ts. +config TOUCHSCREEN_CHIPONE_ICN8318 + tristate "chipone icn8318 touchscreen controller" + depends on GPIOLIB + depends on I2C + depends on OF + help + Say Y here if you have a ChipOne icn8318 based I2C touchscreen. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called chipone_icn8318. + config TOUCHSCREEN_CY8CTMG110 tristate "cy8ctmg110 touchscreen" depends on I2C @@ -297,11 +310,12 @@ config TOUCHSCREEN_FUJITSU config TOUCHSCREEN_GOODIX tristate "Goodix I2C touchscreen" - depends on I2C && ACPI + depends on I2C help Say Y here if you have the Goodix touchscreen (such as one installed in Onda v975w tablets) connected to your - system. + system. It also supports 5-finger chip models, which can be + found on ARM tablets, like Wexler TAB7200 and MSI Primo73. If unsure, say N. @@ -323,6 +337,18 @@ config TOUCHSCREEN_ILI210X To compile this driver as a module, choose M here: the module will be called ili210x. +config TOUCHSCREEN_IPROC + tristate "IPROC touch panel driver support" + depends on ARCH_BCM_IPROC || COMPILE_TEST + help + Say Y here if you want to add support for the IPROC touch + controller to your system. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called bcm_iproc_tsc. + config TOUCHSCREEN_S3C2410 tristate "Samsung S3C2410/generic touchscreen input driver" depends on ARCH_S3C24XX || SAMSUNG_DEV_TS @@ -932,6 +958,7 @@ config TOUCHSCREEN_ST1232 config TOUCHSCREEN_STMPE tristate "STMicroelectronics STMPE touchscreens" depends on MFD_STMPE + depends on (OF || COMPILE_TEST) help Say Y here if you want support for STMicroelectronics STMPE touchscreen controllers. @@ -954,7 +981,9 @@ config TOUCHSCREEN_SUN4I config TOUCHSCREEN_SUR40 tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen" depends on USB + depends on MEDIA_USB_SUPPORT select INPUT_POLLDEV + select VIDEOBUF2_DMA_SG help Say Y here if you want support for the Samsung SUR40 touchscreen (also known as Microsoft Surface 2.0 or Microsoft PixelSense). @@ -962,6 +991,17 @@ config TOUCHSCREEN_SUR40 To compile this driver as a module, choose M here: the module will be called sur40. +config TOUCHSCREEN_SX8654 + tristate "Semtech SX8654 touchscreen" + depends on I2C + help + Say Y here if you have a Semtech SX8654 touchscreen controller. + + If unsure, say N + + To compile this driver as a module, choose M here: the + module will be called sx8654. + config TOUCHSCREEN_TPS6507X tristate "TPS6507x based touchscreens" depends on I2C diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 0242fea2102a..44deea743d02 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_TOUCHSCREEN_AR1021_I2C) += ar1021_i2c.o obj-$(CONFIG_TOUCHSCREEN_ATMEL_MXT) += atmel_mxt_ts.o obj-$(CONFIG_TOUCHSCREEN_AUO_PIXCIR) += auo-pixcir-ts.o obj-$(CONFIG_TOUCHSCREEN_BU21013) += bu21013_ts.o +obj-$(CONFIG_TOUCHSCREEN_CHIPONE_ICN8318) += chipone_icn8318.o obj-$(CONFIG_TOUCHSCREEN_CY8CTMG110) += cy8ctmg110_ts.o obj-$(CONFIG_TOUCHSCREEN_CYTTSP_CORE) += cyttsp_core.o obj-$(CONFIG_TOUCHSCREEN_CYTTSP_I2C) += cyttsp_i2c.o cyttsp_i2c_common.o @@ -39,6 +40,7 @@ obj-$(CONFIG_TOUCHSCREEN_GOODIX) += goodix.o obj-$(CONFIG_TOUCHSCREEN_ILI210X) += ili210x.o obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o obj-$(CONFIG_TOUCHSCREEN_INTEL_MID) += intel-mid-touch.o +obj-$(CONFIG_TOUCHSCREEN_IPROC) += bcm_iproc_tsc.o obj-$(CONFIG_TOUCHSCREEN_LPC32XX) += lpc32xx_ts.o obj-$(CONFIG_TOUCHSCREEN_MAX11801) += max11801_ts.o obj-$(CONFIG_TOUCHSCREEN_MC13783) += mc13783_ts.o @@ -79,5 +81,6 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o +obj-$(CONFIG_TOUCHSCREEN_SX8654) += sx8654.o obj-$(CONFIG_TOUCHSCREEN_TPS6507X) += tps6507x-ts.o obj-$(CONFIG_TOUCHSCREEN_ZFORCE) += zforce_ts.o diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c index ba30578e296e..f0b954d46a25 100644 --- a/drivers/input/touchscreen/ar1021_i2c.c +++ b/drivers/input/touchscreen/ar1021_i2c.c @@ -157,7 +157,7 @@ static const struct i2c_device_id ar1021_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, ar1021_i2c_id); -static struct of_device_id ar1021_i2c_of_match[] = { +static const struct of_device_id ar1021_i2c_of_match[] = { { .compatible = "microchip,ar1021-i2c", }, { } }; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 95ee92a91bd2..dfc7309e3d38 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -14,6 +14,8 @@ * */ +#include <linux/acpi.h> +#include <linux/dmi.h> #include <linux/module.h> #include <linux/init.h> #include <linux/completion.h> @@ -25,6 +27,7 @@ #include <linux/interrupt.h> #include <linux/of.h> #include <linux/slab.h> +#include <asm/unaligned.h> /* Version */ #define MXT_VER_20 20 @@ -79,6 +82,7 @@ #define MXT_SPT_DIGITIZER_T43 43 #define MXT_SPT_MESSAGECOUNT_T44 44 #define MXT_SPT_CTECONFIG_T46 46 +#define MXT_TOUCH_MULTITOUCHSCREEN_T100 100 /* MXT_GEN_MESSAGE_T5 object */ #define MXT_RPTID_NOMSG 0xff @@ -185,6 +189,36 @@ struct t9_range { #define MXT_RESET_VALUE 0x01 #define MXT_BACKUP_VALUE 0x55 +/* T100 Multiple Touch Touchscreen */ +#define MXT_T100_CTRL 0 +#define MXT_T100_CFG1 1 +#define MXT_T100_TCHAUX 3 +#define MXT_T100_XRANGE 13 +#define MXT_T100_YRANGE 24 + +#define MXT_T100_CFG_SWITCHXY BIT(5) + +#define MXT_T100_TCHAUX_VECT BIT(0) +#define MXT_T100_TCHAUX_AMPL BIT(1) +#define MXT_T100_TCHAUX_AREA BIT(2) + +#define MXT_T100_DETECT BIT(7) +#define MXT_T100_TYPE_MASK 0x70 + +enum t100_type { + MXT_T100_TYPE_FINGER = 1, + MXT_T100_TYPE_PASSIVE_STYLUS = 2, + MXT_T100_TYPE_HOVERING_FINGER = 4, + MXT_T100_TYPE_GLOVE = 5, + MXT_T100_TYPE_LARGE_TOUCH = 6, +}; + +#define MXT_DISTANCE_ACTIVE_TOUCH 0 +#define MXT_DISTANCE_HOVERING 1 + +#define MXT_TOUCH_MAJOR_DEFAULT 1 +#define MXT_PRESSURE_DEFAULT 1 + /* Delay times */ #define MXT_BACKUP_TIME 50 /* msec */ #define MXT_RESET_TIME 200 /* msec */ @@ -244,6 +278,9 @@ struct mxt_data { unsigned int max_y; bool in_bootloader; u16 mem_size; + u8 t100_aux_ampl; + u8 t100_aux_area; + u8 t100_aux_vect; u8 max_reportid; u32 config_crc; u32 info_crc; @@ -253,6 +290,7 @@ struct mxt_data { bool update_input; u8 last_message_count; u8 num_touchids; + u8 multitouch; /* Cached parameters from object table */ u16 T5_address; @@ -264,6 +302,8 @@ struct mxt_data { u8 T9_reportid_max; u8 T19_reportid; u16 T44_address; + u8 T100_reportid_min; + u8 T100_reportid_max; /* for fw update in bootloader */ struct completion bl_completion; @@ -686,15 +726,15 @@ static void mxt_input_button(struct mxt_data *data, u8 *message) { struct input_dev *input = data->input_dev; const struct mxt_platform_data *pdata = data->pdata; - bool button; int i; - /* Active-low switch */ for (i = 0; i < pdata->t19_num_keys; i++) { if (pdata->t19_keymap[i] == KEY_RESERVED) continue; - button = !(message[1] & (1 << i)); - input_report_key(input, pdata->t19_keymap[i], button); + + /* Active-low switch */ + input_report_key(input, pdata->t19_keymap[i], + !(message[1] & BIT(i))); } } @@ -771,6 +811,114 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) data->update_input = true; } +static void mxt_proc_t100_message(struct mxt_data *data, u8 *message) +{ + struct device *dev = &data->client->dev; + struct input_dev *input_dev = data->input_dev; + int id; + u8 status; + u8 type = 0; + u16 x; + u16 y; + int distance = 0; + int tool = 0; + u8 major = 0; + u8 pressure = 0; + u8 orientation = 0; + + id = message[0] - data->T100_reportid_min - 2; + + /* ignore SCRSTATUS events */ + if (id < 0) + return; + + status = message[1]; + x = get_unaligned_le16(&message[2]); + y = get_unaligned_le16(&message[4]); + + if (status & MXT_T100_DETECT) { + type = (status & MXT_T100_TYPE_MASK) >> 4; + + switch (type) { + case MXT_T100_TYPE_HOVERING_FINGER: + tool = MT_TOOL_FINGER; + distance = MXT_DISTANCE_HOVERING; + + if (data->t100_aux_vect) + orientation = message[data->t100_aux_vect]; + + break; + + case MXT_T100_TYPE_FINGER: + case MXT_T100_TYPE_GLOVE: + tool = MT_TOOL_FINGER; + distance = MXT_DISTANCE_ACTIVE_TOUCH; + + if (data->t100_aux_area) + major = message[data->t100_aux_area]; + + if (data->t100_aux_ampl) + pressure = message[data->t100_aux_ampl]; + + if (data->t100_aux_vect) + orientation = message[data->t100_aux_vect]; + + break; + + case MXT_T100_TYPE_PASSIVE_STYLUS: + tool = MT_TOOL_PEN; + + /* + * Passive stylus is reported with size zero so + * hardcode. + */ + major = MXT_TOUCH_MAJOR_DEFAULT; + + if (data->t100_aux_ampl) + pressure = message[data->t100_aux_ampl]; + + break; + + case MXT_T100_TYPE_LARGE_TOUCH: + /* Ignore suppressed touch */ + break; + + default: + dev_dbg(dev, "Unexpected T100 type\n"); + return; + } + } + + /* + * Values reported should be non-zero if tool is touching the + * device + */ + if (!pressure && type != MXT_T100_TYPE_HOVERING_FINGER) + pressure = MXT_PRESSURE_DEFAULT; + + input_mt_slot(input_dev, id); + + if (status & MXT_T100_DETECT) { + dev_dbg(dev, "[%u] type:%u x:%u y:%u a:%02X p:%02X v:%02X\n", + id, type, x, y, major, pressure, orientation); + + input_mt_report_slot_state(input_dev, tool, 1); + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, major); + input_report_abs(input_dev, ABS_MT_PRESSURE, pressure); + input_report_abs(input_dev, ABS_MT_DISTANCE, distance); + input_report_abs(input_dev, ABS_MT_ORIENTATION, orientation); + } else { + dev_dbg(dev, "[%u] release\n", id); + + /* close out slot */ + input_mt_report_slot_state(input_dev, 0, 0); + } + + data->update_input = true; +} + static int mxt_proc_message(struct mxt_data *data, u8 *message) { u8 report_id = message[0]; @@ -786,9 +934,12 @@ static int mxt_proc_message(struct mxt_data *data, u8 *message) * is not yet registered. */ mxt_dump_message(data, message); - } else if (report_id >= data->T9_reportid_min - && report_id <= data->T9_reportid_max) { + } else if (report_id >= data->T9_reportid_min && + report_id <= data->T9_reportid_max) { mxt_proc_t9_message(data, message); + } else if (report_id >= data->T100_reportid_min && + report_id <= data->T100_reportid_max) { + mxt_proc_t100_message(data, message); } else if (report_id == data->T19_reportid) { mxt_input_button(data, message); data->update_input = true; @@ -1411,6 +1562,8 @@ static void mxt_free_object_table(struct mxt_data *data) data->T9_reportid_max = 0; data->T19_reportid = 0; data->T44_address = 0; + data->T100_reportid_min = 0; + data->T100_reportid_max = 0; data->max_reportid = 0; } @@ -1487,6 +1640,7 @@ static int mxt_get_object_table(struct mxt_data *data) data->T7_address = object->start_address; break; case MXT_TOUCH_MULTI_T9: + data->multitouch = MXT_TOUCH_MULTI_T9; data->T9_reportid_min = min_id; data->T9_reportid_max = max_id; data->num_touchids = object->num_report_ids @@ -1498,6 +1652,13 @@ static int mxt_get_object_table(struct mxt_data *data) case MXT_SPT_GPIOPWM_T19: data->T19_reportid = min_id; break; + case MXT_TOUCH_MULTITOUCHSCREEN_T100: + data->multitouch = MXT_TOUCH_MULTITOUCHSCREEN_T100; + data->T100_reportid_min = min_id; + data->T100_reportid_max = max_id; + /* first two report IDs reserved */ + data->num_touchids = object->num_report_ids - 2; + break; } end_address = object->start_address @@ -1582,22 +1743,138 @@ static int mxt_read_t9_resolution(struct mxt_data *data) return 0; } +static int mxt_read_t100_config(struct mxt_data *data) +{ + struct i2c_client *client = data->client; + int error; + struct mxt_object *object; + u16 range_x, range_y; + u8 cfg, tchaux; + u8 aux; + + object = mxt_get_object(data, MXT_TOUCH_MULTITOUCHSCREEN_T100); + if (!object) + return -EINVAL; + + error = __mxt_read_reg(client, + object->start_address + MXT_T100_XRANGE, + sizeof(range_x), &range_x); + if (error) + return error; + + le16_to_cpus(&range_x); + + error = __mxt_read_reg(client, + object->start_address + MXT_T100_YRANGE, + sizeof(range_y), &range_y); + if (error) + return error; + + le16_to_cpus(&range_y); + + error = __mxt_read_reg(client, + object->start_address + MXT_T100_CFG1, + 1, &cfg); + if (error) + return error; + + error = __mxt_read_reg(client, + object->start_address + MXT_T100_TCHAUX, + 1, &tchaux); + if (error) + return error; + + /* Handle default values */ + if (range_x == 0) + range_x = 1023; + + if (range_y == 0) + range_y = 1023; + + if (cfg & MXT_T100_CFG_SWITCHXY) { + data->max_x = range_y; + data->max_y = range_x; + } else { + data->max_x = range_x; + data->max_y = range_y; + } + + /* allocate aux bytes */ + aux = 6; + + if (tchaux & MXT_T100_TCHAUX_VECT) + data->t100_aux_vect = aux++; + + if (tchaux & MXT_T100_TCHAUX_AMPL) + data->t100_aux_ampl = aux++; + + if (tchaux & MXT_T100_TCHAUX_AREA) + data->t100_aux_area = aux++; + + dev_dbg(&client->dev, + "T100 aux mappings vect:%u ampl:%u area:%u\n", + data->t100_aux_vect, data->t100_aux_ampl, data->t100_aux_area); + + dev_info(&client->dev, + "T100 Touchscreen size X%uY%u\n", data->max_x, data->max_y); + + return 0; +} + static int mxt_input_open(struct input_dev *dev); static void mxt_input_close(struct input_dev *dev); -static int mxt_initialize_t9_input_device(struct mxt_data *data) +static void mxt_set_up_as_touchpad(struct input_dev *input_dev, + struct mxt_data *data) { - struct device *dev = &data->client->dev; const struct mxt_platform_data *pdata = data->pdata; + int i; + + input_dev->name = "Atmel maXTouch Touchpad"; + + __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); + + input_abs_set_res(input_dev, ABS_X, MXT_PIXELS_PER_MM); + input_abs_set_res(input_dev, ABS_Y, MXT_PIXELS_PER_MM); + input_abs_set_res(input_dev, ABS_MT_POSITION_X, + MXT_PIXELS_PER_MM); + input_abs_set_res(input_dev, ABS_MT_POSITION_Y, + MXT_PIXELS_PER_MM); + + for (i = 0; i < pdata->t19_num_keys; i++) + if (pdata->t19_keymap[i] != KEY_RESERVED) + input_set_capability(input_dev, EV_KEY, + pdata->t19_keymap[i]); +} + +static int mxt_initialize_input_device(struct mxt_data *data) +{ + const struct mxt_platform_data *pdata = data->pdata; + struct device *dev = &data->client->dev; struct input_dev *input_dev; int error; unsigned int num_mt_slots; unsigned int mt_flags = 0; - int i; - error = mxt_read_t9_resolution(data); - if (error) - dev_warn(dev, "Failed to initialize T9 resolution\n"); + switch (data->multitouch) { + case MXT_TOUCH_MULTI_T9: + num_mt_slots = data->T9_reportid_max - data->T9_reportid_min + 1; + error = mxt_read_t9_resolution(data); + if (error) + dev_warn(dev, "Failed to initialize T9 resolution\n"); + break; + + case MXT_TOUCH_MULTITOUCHSCREEN_T100: + num_mt_slots = data->num_touchids; + error = mxt_read_t100_config(data); + if (error) + dev_warn(dev, "Failed to read T100 config\n"); + break; + + default: + dev_err(dev, "Invalid multitouch object\n"); + return -EINVAL; + } input_dev = input_allocate_device(); if (!input_dev) { @@ -1612,54 +1889,76 @@ static int mxt_initialize_t9_input_device(struct mxt_data *data) input_dev->open = mxt_input_open; input_dev->close = mxt_input_close; - __set_bit(EV_ABS, input_dev->evbit); - __set_bit(EV_KEY, input_dev->evbit); - __set_bit(BTN_TOUCH, input_dev->keybit); + input_set_capability(input_dev, EV_KEY, BTN_TOUCH); - if (pdata->t19_num_keys) { - __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); + /* For single touch */ + input_set_abs_params(input_dev, ABS_X, 0, data->max_x, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, data->max_y, 0, 0); - for (i = 0; i < pdata->t19_num_keys; i++) - if (pdata->t19_keymap[i] != KEY_RESERVED) - input_set_capability(input_dev, EV_KEY, - pdata->t19_keymap[i]); + if (data->multitouch == MXT_TOUCH_MULTI_T9 || + (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_ampl)) { + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 255, 0, 0); + } + /* If device has buttons we assume it is a touchpad */ + if (pdata->t19_num_keys) { + mxt_set_up_as_touchpad(input_dev, data); mt_flags |= INPUT_MT_POINTER; - - input_abs_set_res(input_dev, ABS_X, MXT_PIXELS_PER_MM); - input_abs_set_res(input_dev, ABS_Y, MXT_PIXELS_PER_MM); - input_abs_set_res(input_dev, ABS_MT_POSITION_X, - MXT_PIXELS_PER_MM); - input_abs_set_res(input_dev, ABS_MT_POSITION_Y, - MXT_PIXELS_PER_MM); - - input_dev->name = "Atmel maXTouch Touchpad"; } - /* For single touch */ - input_set_abs_params(input_dev, ABS_X, - 0, data->max_x, 0, 0); - input_set_abs_params(input_dev, ABS_Y, - 0, data->max_y, 0, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, - 0, 255, 0, 0); - /* For multi touch */ - num_mt_slots = data->T9_reportid_max - data->T9_reportid_min + 1; error = input_mt_init_slots(input_dev, num_mt_slots, mt_flags); if (error) { dev_err(dev, "Error %d initialising slots\n", error); goto err_free_mem; } - input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, - 0, MXT_MAX_AREA, 0, 0); + if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100) { + input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE, + 0, MT_TOOL_MAX, 0, 0); + input_set_abs_params(input_dev, ABS_MT_DISTANCE, + MXT_DISTANCE_ACTIVE_TOUCH, + MXT_DISTANCE_HOVERING, + 0, 0); + } + input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, data->max_x, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, data->max_y, 0, 0); - input_set_abs_params(input_dev, ABS_MT_PRESSURE, - 0, 255, 0, 0); + + if (data->multitouch == MXT_TOUCH_MULTI_T9 || + (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_area)) { + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, + 0, MXT_MAX_AREA, 0, 0); + } + + if (data->multitouch == MXT_TOUCH_MULTI_T9 || + (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_ampl)) { + input_set_abs_params(input_dev, ABS_MT_PRESSURE, + 0, 255, 0, 0); + } + + if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_vect) { + input_set_abs_params(input_dev, ABS_MT_ORIENTATION, + 0, 255, 0, 0); + } + + if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_ampl) { + input_set_abs_params(input_dev, ABS_MT_PRESSURE, + 0, 255, 0, 0); + } + + if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_vect) { + input_set_abs_params(input_dev, ABS_MT_ORIENTATION, + 0, 255, 0, 0); + } input_set_drvdata(input_dev, data); @@ -1765,9 +2064,13 @@ static int mxt_configure_objects(struct mxt_data *data, dev_warn(dev, "Error %d updating config\n", error); } - error = mxt_initialize_t9_input_device(data); - if (error) - return error; + if (data->multitouch) { + error = mxt_initialize_input_device(data); + if (error) + return error; + } else { + dev_warn(dev, "No touch object detected\n"); + } dev_info(dev, "Family: %u Variant: %u Firmware V%u.%u.%02X Objects: %u\n", @@ -2044,15 +2347,13 @@ static const struct attribute_group mxt_attr_group = { static void mxt_start(struct mxt_data *data) { /* Touch enable */ - mxt_write_object(data, - MXT_TOUCH_MULTI_T9, MXT_TOUCH_CTRL, 0x83); + mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0x83); } static void mxt_stop(struct mxt_data *data) { /* Touch disable */ - mxt_write_object(data, - MXT_TOUCH_MULTI_T9, MXT_TOUCH_CTRL, 0); + mxt_write_object(data, data->multitouch, MXT_TOUCH_CTRL, 0); } static int mxt_input_open(struct input_dev *dev) @@ -2072,7 +2373,7 @@ static void mxt_input_close(struct input_dev *dev) } #ifdef CONFIG_OF -static struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) +static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) { struct mxt_platform_data *pdata; u32 *keymap; @@ -2080,7 +2381,7 @@ static struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) int proplen, i, ret; if (!client->dev.of_node) - return ERR_PTR(-ENODEV); + return ERR_PTR(-ENOENT); pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) @@ -2111,25 +2412,132 @@ static struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) return pdata; } #else -static struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) +static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) { - dev_dbg(&client->dev, "No platform data specified\n"); - return ERR_PTR(-EINVAL); + return ERR_PTR(-ENOENT); +} +#endif + +#ifdef CONFIG_ACPI + +struct mxt_acpi_platform_data { + const char *hid; + struct mxt_platform_data pdata; +}; + +static unsigned int samus_touchpad_buttons[] = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + BTN_LEFT +}; + +static struct mxt_acpi_platform_data samus_platform_data[] = { + { + /* Touchpad */ + .hid = "ATML0000", + .pdata = { + .t19_num_keys = ARRAY_SIZE(samus_touchpad_buttons), + .t19_keymap = samus_touchpad_buttons, + }, + }, + { + /* Touchscreen */ + .hid = "ATML0001", + }, + { } +}; + +static const struct dmi_system_id mxt_dmi_table[] = { + { + /* 2015 Google Pixel */ + .ident = "Chromebook Pixel 2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Samus"), + }, + .driver_data = samus_platform_data, + }, + { } +}; + +static const struct mxt_platform_data *mxt_parse_acpi(struct i2c_client *client) +{ + struct acpi_device *adev; + const struct dmi_system_id *system_id; + const struct mxt_acpi_platform_data *acpi_pdata; + + /* + * Ignore ACPI devices representing bootloader mode. + * + * This is a bit of a hack: Google Chromebook BIOS creates ACPI + * devices for both application and bootloader modes, but we are + * interested in application mode only (if device is in bootloader + * mode we'll end up switching into application anyway). So far + * application mode addresses were all above 0x40, so we'll use it + * as a threshold. + */ + if (client->addr < 0x40) + return ERR_PTR(-ENXIO); + + adev = ACPI_COMPANION(&client->dev); + if (!adev) + return ERR_PTR(-ENOENT); + + system_id = dmi_first_match(mxt_dmi_table); + if (!system_id) + return ERR_PTR(-ENOENT); + + acpi_pdata = system_id->driver_data; + if (!acpi_pdata) + return ERR_PTR(-ENOENT); + + while (acpi_pdata->hid) { + if (!strcmp(acpi_device_hid(adev), acpi_pdata->hid)) + return &acpi_pdata->pdata; + + acpi_pdata++; + } + + return ERR_PTR(-ENOENT); +} +#else +static const struct mxt_platform_data *mxt_parse_acpi(struct i2c_client *client) +{ + return ERR_PTR(-ENOENT); } #endif +static const struct mxt_platform_data * +mxt_get_platform_data(struct i2c_client *client) +{ + const struct mxt_platform_data *pdata; + + pdata = dev_get_platdata(&client->dev); + if (pdata) + return pdata; + + pdata = mxt_parse_dt(client); + if (!IS_ERR(pdata) || PTR_ERR(pdata) != -ENOENT) + return pdata; + + pdata = mxt_parse_acpi(client); + if (!IS_ERR(pdata) || PTR_ERR(pdata) != -ENOENT) + return pdata; + + dev_err(&client->dev, "No platform data specified\n"); + return ERR_PTR(-EINVAL); +} + static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct mxt_data *data; const struct mxt_platform_data *pdata; int error; - pdata = dev_get_platdata(&client->dev); - if (!pdata) { - pdata = mxt_parse_dt(client); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); - } + pdata = mxt_get_platform_data(client); + if (IS_ERR(pdata)) + return PTR_ERR(pdata); data = kzalloc(sizeof(struct mxt_data), GFP_KERNEL); if (!data) { @@ -2237,6 +2645,15 @@ static const struct of_device_id mxt_of_match[] = { }; MODULE_DEVICE_TABLE(of, mxt_of_match); +#ifdef CONFIG_ACPI +static const struct acpi_device_id mxt_acpi_id[] = { + { "ATML0000", 0 }, /* Touchpad */ + { "ATML0001", 0 }, /* Touchscreen */ + { } +}; +MODULE_DEVICE_TABLE(acpi, mxt_acpi_id); +#endif + static const struct i2c_device_id mxt_id[] = { { "qt602240_ts", 0 }, { "atmel_mxt_ts", 0 }, @@ -2251,6 +2668,7 @@ static struct i2c_driver mxt_driver = { .name = "atmel_mxt_ts", .owner = THIS_MODULE, .of_match_table = of_match_ptr(mxt_of_match), + .acpi_match_table = ACPI_PTR(mxt_acpi_id), .pm = &mxt_pm_ops, }, .probe = mxt_probe, diff --git a/drivers/input/touchscreen/bcm_iproc_tsc.c b/drivers/input/touchscreen/bcm_iproc_tsc.c new file mode 100644 index 000000000000..ae460a5c93d5 --- /dev/null +++ b/drivers/input/touchscreen/bcm_iproc_tsc.c @@ -0,0 +1,522 @@ +/* +* Copyright (C) 2015 Broadcom Corporation +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License as +* published by the Free Software Foundation version 2. +* +* This program is distributed "as is" WITHOUT ANY WARRANTY of any +* kind, whether express or implied; without even the implied warranty +* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +*/ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/keyboard.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <asm/irq.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/serio.h> + +#define IPROC_TS_NAME "iproc-ts" + +#define PEN_DOWN_STATUS 1 +#define PEN_UP_STATUS 0 + +#define X_MIN 0 +#define Y_MIN 0 +#define X_MAX 0xFFF +#define Y_MAX 0xFFF + +/* Value given by controller for invalid coordinate. */ +#define INVALID_COORD 0xFFFFFFFF + +/* Register offsets */ +#define REGCTL1 0x00 +#define REGCTL2 0x04 +#define INTERRUPT_THRES 0x08 +#define INTERRUPT_MASK 0x0c + +#define INTERRUPT_STATUS 0x10 +#define CONTROLLER_STATUS 0x14 +#define FIFO_DATA 0x18 +#define FIFO_DATA_X_Y_MASK 0xFFFF +#define ANALOG_CONTROL 0x1c + +#define AUX_DATA 0x20 +#define DEBOUNCE_CNTR_STAT 0x24 +#define SCAN_CNTR_STAT 0x28 +#define REM_CNTR_STAT 0x2c + +#define SETTLING_TIMER_STAT 0x30 +#define SPARE_REG 0x34 +#define SOFT_BYPASS_CONTROL 0x38 +#define SOFT_BYPASS_DATA 0x3c + + +/* Bit values for INTERRUPT_MASK and INTERRUPT_STATUS regs */ +#define TS_PEN_INTR_MASK BIT(0) +#define TS_FIFO_INTR_MASK BIT(2) + +/* Bit values for CONTROLLER_STATUS reg1 */ +#define TS_PEN_DOWN BIT(0) + +/* Shift values for control reg1 */ +#define SCANNING_PERIOD_SHIFT 24 +#define DEBOUNCE_TIMEOUT_SHIFT 16 +#define SETTLING_TIMEOUT_SHIFT 8 +#define TOUCH_TIMEOUT_SHIFT 0 + +/* Shift values for coordinates from fifo */ +#define X_COORD_SHIFT 0 +#define Y_COORD_SHIFT 16 + +/* Bit values for REGCTL2 */ +#define TS_CONTROLLER_EN_BIT BIT(16) +#define TS_CONTROLLER_AVGDATA_SHIFT 8 +#define TS_CONTROLLER_AVGDATA_MASK (0x7 << TS_CONTROLLER_AVGDATA_SHIFT) +#define TS_CONTROLLER_PWR_LDO BIT(5) +#define TS_CONTROLLER_PWR_ADC BIT(4) +#define TS_CONTROLLER_PWR_BGP BIT(3) +#define TS_CONTROLLER_PWR_TS BIT(2) +#define TS_WIRE_MODE_BIT BIT(1) + +#define dbg_reg(dev, priv, reg) \ + dev_dbg(dev, "%20s= 0x%08x\n", #reg, readl((priv)->regs + reg)) + +struct tsc_param { + /* Each step is 1024 us. Valid 1-256 */ + u32 scanning_period; + + /* Each step is 512 us. Valid 0-255 */ + u32 debounce_timeout; + + /* + * The settling duration (in ms) is the amount of time the tsc + * waits to allow the voltage to settle after turning on the + * drivers in detection mode. Valid values: 0-11 + * 0 = 0.008 ms + * 1 = 0.01 ms + * 2 = 0.02 ms + * 3 = 0.04 ms + * 4 = 0.08 ms + * 5 = 0.16 ms + * 6 = 0.32 ms + * 7 = 0.64 ms + * 8 = 1.28 ms + * 9 = 2.56 ms + * 10 = 5.12 ms + * 11 = 10.24 ms + */ + u32 settling_timeout; + + /* touch timeout in sample counts */ + u32 touch_timeout; + + /* + * Number of data samples which are averaged before a final data point + * is placed into the FIFO + */ + u32 average_data; + + /* FIFO threshold */ + u32 fifo_threshold; + + /* Optional standard touchscreen properties. */ + u32 max_x; + u32 max_y; + u32 fuzz_x; + u32 fuzz_y; + bool invert_x; + bool invert_y; +}; + +struct iproc_ts_priv { + struct platform_device *pdev; + struct input_dev *idev; + + void __iomem *regs; + struct clk *tsc_clk; + + int pen_status; + struct tsc_param cfg_params; +}; + +/* + * Set default values the same as hardware reset values + * except for fifo_threshold with is set to 1. + */ +static const struct tsc_param iproc_default_config = { + .scanning_period = 0x5, /* 1 to 256 */ + .debounce_timeout = 0x28, /* 0 to 255 */ + .settling_timeout = 0x7, /* 0 to 11 */ + .touch_timeout = 0xa, /* 0 to 255 */ + .average_data = 5, /* entry 5 = 32 pts */ + .fifo_threshold = 1, /* 0 to 31 */ + .max_x = X_MAX, + .max_y = Y_MAX, +}; + +static void ts_reg_dump(struct iproc_ts_priv *priv) +{ + struct device *dev = &priv->pdev->dev; + + dbg_reg(dev, priv, REGCTL1); + dbg_reg(dev, priv, REGCTL2); + dbg_reg(dev, priv, INTERRUPT_THRES); + dbg_reg(dev, priv, INTERRUPT_MASK); + dbg_reg(dev, priv, INTERRUPT_STATUS); + dbg_reg(dev, priv, CONTROLLER_STATUS); + dbg_reg(dev, priv, FIFO_DATA); + dbg_reg(dev, priv, ANALOG_CONTROL); + dbg_reg(dev, priv, AUX_DATA); + dbg_reg(dev, priv, DEBOUNCE_CNTR_STAT); + dbg_reg(dev, priv, SCAN_CNTR_STAT); + dbg_reg(dev, priv, REM_CNTR_STAT); + dbg_reg(dev, priv, SETTLING_TIMER_STAT); + dbg_reg(dev, priv, SPARE_REG); + dbg_reg(dev, priv, SOFT_BYPASS_CONTROL); + dbg_reg(dev, priv, SOFT_BYPASS_DATA); +} + +static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + struct iproc_ts_priv *priv = platform_get_drvdata(pdev); + u32 intr_status; + u32 raw_coordinate; + u16 x; + u16 y; + int i; + bool needs_sync = false; + + intr_status = readl(priv->regs + INTERRUPT_STATUS); + intr_status &= TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK; + if (intr_status == 0) + return IRQ_NONE; + + /* Clear all interrupt status bits, write-1-clear */ + writel(intr_status, priv->regs + INTERRUPT_STATUS); + + /* Pen up/down */ + if (intr_status & TS_PEN_INTR_MASK) { + if (readl(priv->regs + CONTROLLER_STATUS) & TS_PEN_DOWN) + priv->pen_status = PEN_DOWN_STATUS; + else + priv->pen_status = PEN_UP_STATUS; + + input_report_key(priv->idev, BTN_TOUCH, priv->pen_status); + needs_sync = true; + + dev_dbg(&priv->pdev->dev, + "pen up-down (%d)\n", priv->pen_status); + } + + /* coordinates in FIFO exceed the theshold */ + if (intr_status & TS_FIFO_INTR_MASK) { + for (i = 0; i < priv->cfg_params.fifo_threshold; i++) { + raw_coordinate = readl(priv->regs + FIFO_DATA); + if (raw_coordinate == INVALID_COORD) + continue; + + /* + * The x and y coordinate are 16 bits each + * with the x in the lower 16 bits and y in the + * upper 16 bits. + */ + x = (raw_coordinate >> X_COORD_SHIFT) & + FIFO_DATA_X_Y_MASK; + y = (raw_coordinate >> Y_COORD_SHIFT) & + FIFO_DATA_X_Y_MASK; + + /* We only want to retain the 12 msb of the 16 */ + x = (x >> 4) & 0x0FFF; + y = (y >> 4) & 0x0FFF; + + /* adjust x y according to lcd tsc mount angle */ + if (priv->cfg_params.invert_x) + x = priv->cfg_params.max_x - x; + + if (priv->cfg_params.invert_y) + y = priv->cfg_params.max_y - y; + + input_report_abs(priv->idev, ABS_X, x); + input_report_abs(priv->idev, ABS_Y, y); + needs_sync = true; + + dev_dbg(&priv->pdev->dev, "xy (0x%x 0x%x)\n", x, y); + } + } + + if (needs_sync) + input_sync(priv->idev); + + return IRQ_HANDLED; +} + +static int iproc_ts_start(struct input_dev *idev) +{ + struct iproc_ts_priv *priv = input_get_drvdata(idev); + u32 val; + int error; + + /* Enable clock */ + error = clk_prepare_enable(priv->tsc_clk); + if (error) { + dev_err(&priv->pdev->dev, "%s clk_prepare_enable failed %d\n", + __func__, error); + return error; + } + + /* + * Interrupt is generated when: + * FIFO reaches the int_th value, and pen event(up/down) + */ + val = TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK; + writel(val, priv->regs + INTERRUPT_MASK); + + writel(priv->cfg_params.fifo_threshold, priv->regs + INTERRUPT_THRES); + + /* Initialize control reg1 */ + val = 0; + val |= priv->cfg_params.scanning_period << SCANNING_PERIOD_SHIFT; + val |= priv->cfg_params.debounce_timeout << DEBOUNCE_TIMEOUT_SHIFT; + val |= priv->cfg_params.settling_timeout << SETTLING_TIMEOUT_SHIFT; + val |= priv->cfg_params.touch_timeout << TOUCH_TIMEOUT_SHIFT; + writel(val, priv->regs + REGCTL1); + + /* Try to clear all interrupt status */ + val = readl(priv->regs + INTERRUPT_STATUS); + val |= TS_FIFO_INTR_MASK | TS_PEN_INTR_MASK; + writel(val, priv->regs + INTERRUPT_STATUS); + + /* Initialize control reg2 */ + val = readl(priv->regs + REGCTL2); + val |= TS_CONTROLLER_EN_BIT | TS_WIRE_MODE_BIT; + + val &= ~TS_CONTROLLER_AVGDATA_MASK; + val |= priv->cfg_params.average_data << TS_CONTROLLER_AVGDATA_SHIFT; + + val &= ~(TS_CONTROLLER_PWR_LDO | /* PWR up LDO */ + TS_CONTROLLER_PWR_ADC | /* PWR up ADC */ + TS_CONTROLLER_PWR_BGP | /* PWR up BGP */ + TS_CONTROLLER_PWR_TS); /* PWR up TS */ + + writel(val, priv->regs + REGCTL2); + + ts_reg_dump(priv); + + return 0; +} + +static void iproc_ts_stop(struct input_dev *dev) +{ + u32 val; + struct iproc_ts_priv *priv = input_get_drvdata(dev); + + writel(0, priv->regs + INTERRUPT_MASK); /* Disable all interrupts */ + + /* Only power down touch screen controller */ + val = readl(priv->regs + REGCTL2); + val |= TS_CONTROLLER_PWR_TS; + writel(val, priv->regs + REGCTL2); + + clk_disable(priv->tsc_clk); +} + +static int iproc_get_tsc_config(struct device *dev, struct iproc_ts_priv *priv) +{ + struct device_node *np = dev->of_node; + u32 val; + + priv->cfg_params = iproc_default_config; + + if (!np) + return 0; + + if (of_property_read_u32(np, "scanning_period", &val) >= 0) { + if (val < 1 || val > 256) { + dev_err(dev, "scanning_period (%u) must be [1-256]\n", + val); + return -EINVAL; + } + priv->cfg_params.scanning_period = val; + } + + if (of_property_read_u32(np, "debounce_timeout", &val) >= 0) { + if (val > 255) { + dev_err(dev, "debounce_timeout (%u) must be [0-255]\n", + val); + return -EINVAL; + } + priv->cfg_params.debounce_timeout = val; + } + + if (of_property_read_u32(np, "settling_timeout", &val) >= 0) { + if (val > 11) { + dev_err(dev, "settling_timeout (%u) must be [0-11]\n", + val); + return -EINVAL; + } + priv->cfg_params.settling_timeout = val; + } + + if (of_property_read_u32(np, "touch_timeout", &val) >= 0) { + if (val > 255) { + dev_err(dev, "touch_timeout (%u) must be [0-255]\n", + val); + return -EINVAL; + } + priv->cfg_params.touch_timeout = val; + } + + if (of_property_read_u32(np, "average_data", &val) >= 0) { + if (val > 8) { + dev_err(dev, "average_data (%u) must be [0-8]\n", val); + return -EINVAL; + } + priv->cfg_params.average_data = val; + } + + if (of_property_read_u32(np, "fifo_threshold", &val) >= 0) { + if (val > 31) { + dev_err(dev, "fifo_threshold (%u)) must be [0-31]\n", + val); + return -EINVAL; + } + priv->cfg_params.fifo_threshold = val; + } + + /* Parse optional properties. */ + of_property_read_u32(np, "touchscreen-size-x", &priv->cfg_params.max_x); + of_property_read_u32(np, "touchscreen-size-y", &priv->cfg_params.max_y); + + of_property_read_u32(np, "touchscreen-fuzz-x", + &priv->cfg_params.fuzz_x); + of_property_read_u32(np, "touchscreen-fuzz-y", + &priv->cfg_params.fuzz_y); + + priv->cfg_params.invert_x = + of_property_read_bool(np, "touchscreen-inverted-x"); + priv->cfg_params.invert_y = + of_property_read_bool(np, "touchscreen-inverted-y"); + + return 0; +} + +static int iproc_ts_probe(struct platform_device *pdev) +{ + struct iproc_ts_priv *priv; + struct input_dev *idev; + struct resource *res; + int irq; + int error; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + /* touchscreen controller memory mapped regs */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + priv->regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->regs)) { + error = PTR_ERR(priv->regs); + dev_err(&pdev->dev, "unable to map I/O memory: %d\n", error); + return error; + } + + priv->tsc_clk = devm_clk_get(&pdev->dev, "tsc_clk"); + if (IS_ERR(priv->tsc_clk)) { + error = PTR_ERR(priv->tsc_clk); + dev_err(&pdev->dev, + "failed getting clock tsc_clk: %d\n", error); + return error; + } + + priv->pdev = pdev; + error = iproc_get_tsc_config(&pdev->dev, priv); + if (error) { + dev_err(&pdev->dev, "get_tsc_config failed: %d\n", error); + return error; + } + + idev = devm_input_allocate_device(&pdev->dev); + if (!idev) { + dev_err(&pdev->dev, "failed to allocate input device\n"); + return -ENOMEM; + } + + priv->idev = idev; + priv->pen_status = PEN_UP_STATUS; + + /* Set input device info */ + idev->name = IPROC_TS_NAME; + idev->dev.parent = &pdev->dev; + + idev->id.bustype = BUS_HOST; + idev->id.vendor = SERIO_UNKNOWN; + idev->id.product = 0; + idev->id.version = 0; + + idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + __set_bit(BTN_TOUCH, idev->keybit); + + input_set_abs_params(idev, ABS_X, X_MIN, priv->cfg_params.max_x, + priv->cfg_params.fuzz_x, 0); + input_set_abs_params(idev, ABS_Y, Y_MIN, priv->cfg_params.max_y, + priv->cfg_params.fuzz_y, 0); + + idev->open = iproc_ts_start; + idev->close = iproc_ts_stop; + + input_set_drvdata(idev, priv); + platform_set_drvdata(pdev, priv); + + /* get interrupt */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "platform_get_irq failed: %d\n", irq); + return irq; + } + + error = devm_request_irq(&pdev->dev, irq, + iproc_touchscreen_interrupt, + IRQF_SHARED, IPROC_TS_NAME, pdev); + if (error) + return error; + + error = input_register_device(priv->idev); + if (error) { + dev_err(&pdev->dev, + "failed to register input device: %d\n", error); + return error; + } + + return 0; +} + +static const struct of_device_id iproc_ts_of_match[] = { + {.compatible = "brcm,iproc-touchscreen", }, + { }, +}; +MODULE_DEVICE_TABLE(of, iproc_ts_of_match); + +static struct platform_driver iproc_ts_driver = { + .probe = iproc_ts_probe, + .driver = { + .name = IPROC_TS_NAME, + .of_match_table = of_match_ptr(iproc_ts_of_match), + }, +}; + +module_platform_driver(iproc_ts_driver); + +MODULE_DESCRIPTION("IPROC Touchscreen driver"); +MODULE_AUTHOR("Broadcom"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/touchscreen/chipone_icn8318.c b/drivers/input/touchscreen/chipone_icn8318.c new file mode 100644 index 000000000000..32e9db0e04bf --- /dev/null +++ b/drivers/input/touchscreen/chipone_icn8318.c @@ -0,0 +1,316 @@ +/* + * Driver for ChipOne icn8318 i2c touchscreen controller + * + * Copyright (c) 2015 Red Hat Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Red Hat authors: + * Hans de Goede <hdegoede@redhat.com> + */ + +#include <linux/gpio/consumer.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/module.h> +#include <linux/of.h> + +#define ICN8318_REG_POWER 4 +#define ICN8318_REG_TOUCHDATA 16 + +#define ICN8318_POWER_ACTIVE 0 +#define ICN8318_POWER_MONITOR 1 +#define ICN8318_POWER_HIBERNATE 2 + +#define ICN8318_MAX_TOUCHES 5 + +struct icn8318_touch { + __u8 slot; + __be16 x; + __be16 y; + __u8 pressure; /* Seems more like finger width then pressure really */ + __u8 event; +/* The difference between 2 and 3 is unclear */ +#define ICN8318_EVENT_NO_DATA 1 /* No finger seen yet since wakeup */ +#define ICN8318_EVENT_UPDATE1 2 /* New or updated coordinates */ +#define ICN8318_EVENT_UPDATE2 3 /* New or updated coordinates */ +#define ICN8318_EVENT_END 4 /* Finger lifted */ +} __packed; + +struct icn8318_touch_data { + __u8 softbutton; + __u8 touch_count; + struct icn8318_touch touches[ICN8318_MAX_TOUCHES]; +} __packed; + +struct icn8318_data { + struct i2c_client *client; + struct input_dev *input; + struct gpio_desc *wake_gpio; + u32 max_x; + u32 max_y; + bool invert_x; + bool invert_y; + bool swap_x_y; +}; + +static int icn8318_read_touch_data(struct i2c_client *client, + struct icn8318_touch_data *touch_data) +{ + u8 reg = ICN8318_REG_TOUCHDATA; + struct i2c_msg msg[2] = { + { + .addr = client->addr, + .len = 1, + .buf = ® + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = sizeof(struct icn8318_touch_data), + .buf = (u8 *)touch_data + } + }; + + return i2c_transfer(client->adapter, msg, 2); +} + +static inline bool icn8318_touch_active(u8 event) +{ + return (event == ICN8318_EVENT_UPDATE1) || + (event == ICN8318_EVENT_UPDATE2); +} + +static irqreturn_t icn8318_irq(int irq, void *dev_id) +{ + struct icn8318_data *data = dev_id; + struct device *dev = &data->client->dev; + struct icn8318_touch_data touch_data; + int i, ret, x, y; + + ret = icn8318_read_touch_data(data->client, &touch_data); + if (ret < 0) { + dev_err(dev, "Error reading touch data: %d\n", ret); + return IRQ_HANDLED; + } + + if (touch_data.softbutton) { + /* + * Other data is invalid when a softbutton is pressed. + * This needs some extra devicetree bindings to map the icn8318 + * softbutton codes to evdev codes. Currently no known devices + * use this. + */ + return IRQ_HANDLED; + } + + if (touch_data.touch_count > ICN8318_MAX_TOUCHES) { + dev_warn(dev, "Too much touches %d > %d\n", + touch_data.touch_count, ICN8318_MAX_TOUCHES); + touch_data.touch_count = ICN8318_MAX_TOUCHES; + } + + for (i = 0; i < touch_data.touch_count; i++) { + struct icn8318_touch *touch = &touch_data.touches[i]; + bool act = icn8318_touch_active(touch->event); + + input_mt_slot(data->input, touch->slot); + input_mt_report_slot_state(data->input, MT_TOOL_FINGER, act); + if (!act) + continue; + + x = be16_to_cpu(touch->x); + y = be16_to_cpu(touch->y); + + if (data->invert_x) + x = data->max_x - x; + + if (data->invert_y) + y = data->max_y - y; + + if (!data->swap_x_y) { + input_event(data->input, EV_ABS, ABS_MT_POSITION_X, x); + input_event(data->input, EV_ABS, ABS_MT_POSITION_Y, y); + } else { + input_event(data->input, EV_ABS, ABS_MT_POSITION_X, y); + input_event(data->input, EV_ABS, ABS_MT_POSITION_Y, x); + } + } + + input_mt_sync_frame(data->input); + input_sync(data->input); + + return IRQ_HANDLED; +} + +static int icn8318_start(struct input_dev *dev) +{ + struct icn8318_data *data = input_get_drvdata(dev); + + enable_irq(data->client->irq); + gpiod_set_value_cansleep(data->wake_gpio, 1); + + return 0; +} + +static void icn8318_stop(struct input_dev *dev) +{ + struct icn8318_data *data = input_get_drvdata(dev); + + disable_irq(data->client->irq); + i2c_smbus_write_byte_data(data->client, ICN8318_REG_POWER, + ICN8318_POWER_HIBERNATE); + gpiod_set_value_cansleep(data->wake_gpio, 0); +} + +#ifdef CONFIG_PM_SLEEP +static int icn8318_suspend(struct device *dev) +{ + struct icn8318_data *data = i2c_get_clientdata(to_i2c_client(dev)); + + mutex_lock(&data->input->mutex); + if (data->input->users) + icn8318_stop(data->input); + mutex_unlock(&data->input->mutex); + + return 0; +} + +static int icn8318_resume(struct device *dev) +{ + struct icn8318_data *data = i2c_get_clientdata(to_i2c_client(dev)); + + mutex_lock(&data->input->mutex); + if (data->input->users) + icn8318_start(data->input); + mutex_unlock(&data->input->mutex); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(icn8318_pm_ops, icn8318_suspend, icn8318_resume); + +static int icn8318_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *np = dev->of_node; + struct icn8318_data *data; + struct input_dev *input; + u32 fuzz_x = 0, fuzz_y = 0; + int error; + + if (!client->irq) { + dev_err(dev, "Error no irq specified\n"); + return -EINVAL; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->wake_gpio = devm_gpiod_get(dev, "wake", GPIOD_OUT_LOW); + if (IS_ERR(data->wake_gpio)) { + error = PTR_ERR(data->wake_gpio); + if (error != -EPROBE_DEFER) + dev_err(dev, "Error getting wake gpio: %d\n", error); + return error; + } + + if (of_property_read_u32(np, "touchscreen-size-x", &data->max_x) || + of_property_read_u32(np, "touchscreen-size-y", &data->max_y)) { + dev_err(dev, "Error touchscreen-size-x and/or -y missing\n"); + return -EINVAL; + } + + /* Optional */ + of_property_read_u32(np, "touchscreen-fuzz-x", &fuzz_x); + of_property_read_u32(np, "touchscreen-fuzz-y", &fuzz_y); + data->invert_x = of_property_read_bool(np, "touchscreen-inverted-x"); + data->invert_y = of_property_read_bool(np, "touchscreen-inverted-y"); + data->swap_x_y = of_property_read_bool(np, "touchscreen-swapped-x-y"); + + input = devm_input_allocate_device(dev); + if (!input) + return -ENOMEM; + + input->name = client->name; + input->id.bustype = BUS_I2C; + input->open = icn8318_start; + input->close = icn8318_stop; + input->dev.parent = dev; + + if (!data->swap_x_y) { + input_set_abs_params(input, ABS_MT_POSITION_X, 0, + data->max_x, fuzz_x, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, + data->max_y, fuzz_y, 0); + } else { + input_set_abs_params(input, ABS_MT_POSITION_X, 0, + data->max_y, fuzz_y, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, 0, + data->max_x, fuzz_x, 0); + } + + error = input_mt_init_slots(input, ICN8318_MAX_TOUCHES, + INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); + if (error) + return error; + + data->client = client; + data->input = input; + input_set_drvdata(input, data); + + error = devm_request_threaded_irq(dev, client->irq, NULL, icn8318_irq, + IRQF_ONESHOT, client->name, data); + if (error) { + dev_err(dev, "Error requesting irq: %d\n", error); + return error; + } + + /* Stop device till opened */ + icn8318_stop(data->input); + + error = input_register_device(input); + if (error) + return error; + + i2c_set_clientdata(client, data); + + return 0; +} + +static const struct of_device_id icn8318_of_match[] = { + { .compatible = "chipone,icn8318" }, + { } +}; +MODULE_DEVICE_TABLE(of, icn8318_of_match); + +/* This is useless for OF-enabled devices, but it is needed by I2C subsystem */ +static const struct i2c_device_id icn8318_i2c_id[] = { + { }, +}; +MODULE_DEVICE_TABLE(i2c, icn8318_i2c_id); + +static struct i2c_driver icn8318_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "chipone_icn8318", + .pm = &icn8318_pm_ops, + .of_match_table = icn8318_of_match, + }, + .probe = icn8318_probe, + .id_table = icn8318_i2c_id, +}; + +module_i2c_driver(icn8318_driver); + +MODULE_DESCRIPTION("ChipOne icn8318 I2C Touchscreen Driver"); +MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c index 568a3d340c8a..5ed31057430c 100644 --- a/drivers/input/touchscreen/cyttsp4_core.c +++ b/drivers/input/touchscreen/cyttsp4_core.c @@ -775,7 +775,6 @@ static void cyttsp4_get_touch(struct cyttsp4_mt_data *md, struct device *dev = &md->input->dev; struct cyttsp4_sysinfo *si = md->si; enum cyttsp4_tch_abs abs; - int tmp; bool flipped; for (abs = CY_TCH_X; abs < CY_TCH_NUM_ABS; abs++) { @@ -790,9 +789,7 @@ static void cyttsp4_get_touch(struct cyttsp4_mt_data *md, } if (md->pdata->flags & CY_FLAG_FLIP) { - tmp = touch->abs[CY_TCH_X]; - touch->abs[CY_TCH_X] = touch->abs[CY_TCH_Y]; - touch->abs[CY_TCH_Y] = tmp; + swap(touch->abs[CY_TCH_X], touch->abs[CY_TCH_Y]); flipped = true; } else flipped = false; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index d4c24fb7704f..e6aef3e48bd9 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -37,6 +37,7 @@ #include <linux/gpio.h> #include <linux/of_gpio.h> #include <linux/input/mt.h> +#include <linux/input/touchscreen.h> #include <linux/input/edt-ft5x06.h> #define MAX_SUPPORT_POINTS 5 @@ -1034,7 +1035,6 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, input->id.bustype = BUS_I2C; input->dev.parent = &client->dev; - __set_bit(EV_SYN, input->evbit); __set_bit(EV_KEY, input->evbit); __set_bit(EV_ABS, input->evbit); __set_bit(BTN_TOUCH, input->keybit); @@ -1044,6 +1044,10 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, 0, tsdata->num_x * 64 - 1, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, tsdata->num_y * 64 - 1, 0, 0); + + if (!pdata) + touchscreen_parse_of_params(input); + error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, 0); if (error) { dev_err(&client->dev, "Unable to init MT slots.\n"); diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 926c58e540c0..0efd766a545b 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -98,7 +98,6 @@ #define MAX_FW_UPDATE_RETRIES 30 #define ELAN_FW_PAGESIZE 132 -#define ELAN_FW_FILENAME "elants_i2c.bin" /* calibration timeout definition */ #define ELAN_CALI_TIMEOUT_MSEC 10000 @@ -697,12 +696,19 @@ static int elants_i2c_fw_update(struct elants_data *ts) { struct i2c_client *client = ts->client; const struct firmware *fw; + char *fw_name; int error; - error = request_firmware(&fw, ELAN_FW_FILENAME, &client->dev); + fw_name = kasprintf(GFP_KERNEL, "elants_i2c_%04x.bin", ts->hw_version); + if (!fw_name) + return -ENOMEM; + + dev_info(&client->dev, "requesting fw name = %s\n", fw_name); + error = request_firmware(&fw, fw_name, &client->dev); + kfree(fw_name); if (error) { - dev_err(&client->dev, "failed to request firmware %s: %d\n", - ELAN_FW_FILENAME, error); + dev_err(&client->dev, "failed to request firmware: %d\n", + error); return error; } diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index ca196689f025..b4d12e29abff 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -23,6 +23,8 @@ #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/slab.h> +#include <linux/acpi.h> +#include <linux/of.h> #include <asm/unaligned.h> struct goodix_ts_data { @@ -45,9 +47,10 @@ struct goodix_ts_data { /* Register defines */ #define GOODIX_READ_COOR_ADDR 0x814E #define GOODIX_REG_CONFIG_DATA 0x8047 -#define GOODIX_REG_VERSION 0x8140 +#define GOODIX_REG_ID 0x8140 #define RESOLUTION_LOC 1 +#define MAX_CONTACTS_LOC 5 #define TRIGGER_LOC 6 static const unsigned long goodix_irq_flags[] = { @@ -66,7 +69,7 @@ static const unsigned long goodix_irq_flags[] = { * @len: length of the buffer to write */ static int goodix_i2c_read(struct i2c_client *client, - u16 reg, u8 *buf, int len) + u16 reg, u8 *buf, int len) { struct i2c_msg msgs[2]; u16 wbuf = cpu_to_be16(reg); @@ -75,7 +78,7 @@ static int goodix_i2c_read(struct i2c_client *client, msgs[0].flags = 0; msgs[0].addr = client->addr; msgs[0].len = 2; - msgs[0].buf = (u8 *) &wbuf; + msgs[0].buf = (u8 *)&wbuf; msgs[1].flags = I2C_M_RD; msgs[1].addr = client->addr; @@ -98,8 +101,11 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data) return error; } + if (!(data[0] & 0x80)) + return -EAGAIN; + touch_num = data[0] & 0x0f; - if (touch_num > GOODIX_MAX_CONTACTS) + if (touch_num > ts->max_touch_num) return -EPROTO; if (touch_num > 1) { @@ -193,8 +199,8 @@ static void goodix_read_config(struct goodix_ts_data *ts) int error; error = goodix_i2c_read(ts->client, GOODIX_REG_CONFIG_DATA, - config, - GOODIX_CONFIG_MAX_LENGTH); + config, + GOODIX_CONFIG_MAX_LENGTH); if (error) { dev_warn(&ts->client->dev, "Error reading config (%d), using defaults\n", @@ -202,42 +208,50 @@ static void goodix_read_config(struct goodix_ts_data *ts) ts->abs_x_max = GOODIX_MAX_WIDTH; ts->abs_y_max = GOODIX_MAX_HEIGHT; ts->int_trigger_type = GOODIX_INT_TRIGGER; + ts->max_touch_num = GOODIX_MAX_CONTACTS; return; } ts->abs_x_max = get_unaligned_le16(&config[RESOLUTION_LOC]); ts->abs_y_max = get_unaligned_le16(&config[RESOLUTION_LOC + 2]); - ts->int_trigger_type = (config[TRIGGER_LOC]) & 0x03; - if (!ts->abs_x_max || !ts->abs_y_max) { + ts->int_trigger_type = config[TRIGGER_LOC] & 0x03; + ts->max_touch_num = config[MAX_CONTACTS_LOC] & 0x0f; + if (!ts->abs_x_max || !ts->abs_y_max || !ts->max_touch_num) { dev_err(&ts->client->dev, "Invalid config, using defaults\n"); ts->abs_x_max = GOODIX_MAX_WIDTH; ts->abs_y_max = GOODIX_MAX_HEIGHT; + ts->max_touch_num = GOODIX_MAX_CONTACTS; } } - /** * goodix_read_version - Read goodix touchscreen version * * @client: the i2c client * @version: output buffer containing the version on success + * @id: output buffer containing the id on success */ -static int goodix_read_version(struct i2c_client *client, u16 *version) +static int goodix_read_version(struct i2c_client *client, u16 *version, u16 *id) { int error; u8 buf[6]; + char id_str[5]; - error = goodix_i2c_read(client, GOODIX_REG_VERSION, buf, sizeof(buf)); + error = goodix_i2c_read(client, GOODIX_REG_ID, buf, sizeof(buf)); if (error) { dev_err(&client->dev, "read version failed: %d\n", error); return error; } - if (version) - *version = get_unaligned_le16(&buf[4]); + memcpy(id_str, buf, 4); + id_str[4] = 0; + if (kstrtou16(id_str, 10, id)) + *id = 0x1001; + + *version = get_unaligned_le16(&buf[4]); - dev_info(&client->dev, "IC VERSION: %6ph\n", buf); + dev_info(&client->dev, "ID %d, version: %04x\n", *id, *version); return 0; } @@ -271,10 +285,13 @@ static int goodix_i2c_test(struct i2c_client *client) * goodix_request_input_dev - Allocate, populate and register the input device * * @ts: our goodix_ts_data pointer + * @version: device firmware version + * @id: device ID * * Must be called during probe */ -static int goodix_request_input_dev(struct goodix_ts_data *ts) +static int goodix_request_input_dev(struct goodix_ts_data *ts, u16 version, + u16 id) { int error; @@ -284,26 +301,22 @@ static int goodix_request_input_dev(struct goodix_ts_data *ts) return -ENOMEM; } - ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) | - BIT_MASK(EV_KEY) | - BIT_MASK(EV_ABS); - - input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0, - ts->abs_x_max, 0, 0); - input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0, - ts->abs_y_max, 0, 0); + input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, + 0, ts->abs_x_max, 0, 0); + input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, + 0, ts->abs_y_max, 0, 0); input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0); input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); - input_mt_init_slots(ts->input_dev, GOODIX_MAX_CONTACTS, + input_mt_init_slots(ts->input_dev, ts->max_touch_num, INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED); ts->input_dev->name = "Goodix Capacitive TouchScreen"; ts->input_dev->phys = "input/ts"; ts->input_dev->id.bustype = BUS_I2C; ts->input_dev->id.vendor = 0x0416; - ts->input_dev->id.product = 0x1001; - ts->input_dev->id.version = 10427; + ts->input_dev->id.product = id; + ts->input_dev->id.version = version; error = input_register_device(ts->input_dev); if (error) { @@ -321,7 +334,7 @@ static int goodix_ts_probe(struct i2c_client *client, struct goodix_ts_data *ts; unsigned long irq_flags; int error; - u16 version_info; + u16 version_info, id_info; dev_dbg(&client->dev, "I2C Address: 0x%02x\n", client->addr); @@ -343,7 +356,7 @@ static int goodix_ts_probe(struct i2c_client *client, return error; } - error = goodix_read_version(client, &version_info); + error = goodix_read_version(client, &version_info, &id_info); if (error) { dev_err(&client->dev, "Read version failed.\n"); return error; @@ -351,7 +364,7 @@ static int goodix_ts_probe(struct i2c_client *client, goodix_read_config(ts); - error = goodix_request_input_dev(ts); + error = goodix_request_input_dev(ts, version_info, id_info); if (error) return error; @@ -372,11 +385,27 @@ static const struct i2c_device_id goodix_ts_id[] = { { } }; +#ifdef CONFIG_ACPI static const struct acpi_device_id goodix_acpi_match[] = { { "GDIX1001", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, goodix_acpi_match); +#endif + +#ifdef CONFIG_OF +static const struct of_device_id goodix_of_match[] = { + { .compatible = "goodix,gt911" }, + { .compatible = "goodix,gt9110" }, + { .compatible = "goodix,gt912" }, + { .compatible = "goodix,gt927" }, + { .compatible = "goodix,gt9271" }, + { .compatible = "goodix,gt928" }, + { .compatible = "goodix,gt967" }, + { } +}; +MODULE_DEVICE_TABLE(of, goodix_of_match); +#endif static struct i2c_driver goodix_ts_driver = { .probe = goodix_ts_probe, @@ -384,7 +413,8 @@ static struct i2c_driver goodix_ts_driver = { .driver = { .name = "Goodix-TS", .owner = THIS_MODULE, - .acpi_match_table = goodix_acpi_match, + .acpi_match_table = ACPI_PTR(goodix_acpi_match), + .of_match_table = of_match_ptr(goodix_of_match), }, }; module_i2c_driver(goodix_ts_driver); diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c index f8f9b84230b1..b82b5207c78b 100644 --- a/drivers/input/touchscreen/of_touchscreen.c +++ b/drivers/input/touchscreen/of_touchscreen.c @@ -11,8 +11,41 @@ #include <linux/of.h> #include <linux/input.h> +#include <linux/input/mt.h> #include <linux/input/touchscreen.h> +static u32 of_get_optional_u32(struct device_node *np, + const char *property) +{ + u32 val = 0; + + of_property_read_u32(np, property, &val); + + return val; +} + +static void touchscreen_set_params(struct input_dev *dev, + unsigned long axis, + int max, int fuzz) +{ + struct input_absinfo *absinfo; + + if (!test_bit(axis, dev->absbit)) { + /* + * Emit a warning only if the axis is not a multitouch + * axis, which might not be set by the driver. + */ + if (!input_is_mt_axis(axis)) + dev_warn(&dev->dev, + "DT specifies parameters but the axis is not set up\n"); + return; + } + + absinfo = &dev->absinfo[axis]; + absinfo->maximum = max; + absinfo->fuzz = fuzz; +} + /** * touchscreen_parse_of_params - parse common touchscreen DT properties * @dev: device that should be parsed @@ -24,22 +57,31 @@ void touchscreen_parse_of_params(struct input_dev *dev) { struct device_node *np = dev->dev.parent->of_node; - struct input_absinfo *absinfo; + u32 maximum, fuzz; input_alloc_absinfo(dev); if (!dev->absinfo) return; - absinfo = &dev->absinfo[ABS_X]; - of_property_read_u32(np, "touchscreen-size-x", &absinfo->maximum); - of_property_read_u32(np, "touchscreen-fuzz-x", &absinfo->fuzz); + maximum = of_get_optional_u32(np, "touchscreen-size-x"); + fuzz = of_get_optional_u32(np, "touchscreen-fuzz-x"); + if (maximum || fuzz) { + touchscreen_set_params(dev, ABS_X, maximum, fuzz); + touchscreen_set_params(dev, ABS_MT_POSITION_X, maximum, fuzz); + } - absinfo = &dev->absinfo[ABS_Y]; - of_property_read_u32(np, "touchscreen-size-y", &absinfo->maximum); - of_property_read_u32(np, "touchscreen-fuzz-y", &absinfo->fuzz); + maximum = of_get_optional_u32(np, "touchscreen-size-y"); + fuzz = of_get_optional_u32(np, "touchscreen-fuzz-y"); + if (maximum || fuzz) { + touchscreen_set_params(dev, ABS_Y, maximum, fuzz); + touchscreen_set_params(dev, ABS_MT_POSITION_Y, maximum, fuzz); + } - absinfo = &dev->absinfo[ABS_PRESSURE]; - of_property_read_u32(np, "touchscreen-max-pressure", &absinfo->maximum); - of_property_read_u32(np, "touchscreen-fuzz-pressure", &absinfo->fuzz); + maximum = of_get_optional_u32(np, "touchscreen-max-pressure"); + fuzz = of_get_optional_u32(np, "touchscreen-fuzz-pressure"); + if (maximum || fuzz) { + touchscreen_set_params(dev, ABS_PRESSURE, maximum, fuzz); + touchscreen_set_params(dev, ABS_MT_PRESSURE, maximum, fuzz); + } } EXPORT_SYMBOL(touchscreen_parse_of_params); diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 2c2107147319..8f3e243a62bf 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -78,7 +78,7 @@ static void pixcir_ts_parse(struct pixcir_i2c_ts_data *tsdata, } ret = i2c_master_recv(tsdata->client, rdbuf, readsize); - if (ret != sizeof(rdbuf)) { + if (ret != readsize) { dev_err(&tsdata->client->dev, "%s: i2c_master_recv failed(), ret=%d\n", __func__, ret); diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index bdfa27dc097b..a4a103e1d11b 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -411,7 +411,7 @@ static const struct dev_pm_ops s3c_ts_pmops = { }; #endif -static struct platform_device_id s3cts_driver_ids[] = { +static const struct platform_device_id s3cts_driver_ids[] = { { "s3c2410-ts", 0 }, { "s3c2440-ts", 0 }, { "s3c64xx-ts", FEAT_PEN_IRQ }, diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c index 2d5ff86b343f..e414d43e5159 100644 --- a/drivers/input/touchscreen/stmpe-ts.c +++ b/drivers/input/touchscreen/stmpe-ts.c @@ -164,7 +164,7 @@ static irqreturn_t stmpe_ts_handler(int irq, void *data) STMPE_TSC_CTRL_TSC_EN, STMPE_TSC_CTRL_TSC_EN); /* start polling for touch_det to detect release */ - schedule_delayed_work(&ts->work, HZ / 50); + schedule_delayed_work(&ts->work, msecs_to_jiffies(50)); return IRQ_HANDLED; } @@ -267,27 +267,10 @@ static void stmpe_ts_close(struct input_dev *dev) static void stmpe_ts_get_platform_info(struct platform_device *pdev, struct stmpe_touch *ts) { - struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent); struct device_node *np = pdev->dev.of_node; - struct stmpe_ts_platform_data *ts_pdata = NULL; - - ts->stmpe = stmpe; - - if (stmpe->pdata && stmpe->pdata->ts) { - ts_pdata = stmpe->pdata->ts; - - ts->sample_time = ts_pdata->sample_time; - ts->mod_12b = ts_pdata->mod_12b; - ts->ref_sel = ts_pdata->ref_sel; - ts->adc_freq = ts_pdata->adc_freq; - ts->ave_ctrl = ts_pdata->ave_ctrl; - ts->touch_det_delay = ts_pdata->touch_det_delay; - ts->settling = ts_pdata->settling; - ts->fraction_z = ts_pdata->fraction_z; - ts->i_drive = ts_pdata->i_drive; - } else if (np) { - u32 val; + u32 val; + if (np) { if (!of_property_read_u32(np, "st,sample-time", &val)) ts->sample_time = val; if (!of_property_read_u32(np, "st,mod-12b", &val)) @@ -311,6 +294,7 @@ static void stmpe_ts_get_platform_info(struct platform_device *pdev, static int stmpe_input_probe(struct platform_device *pdev) { + struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent); struct stmpe_touch *ts; struct input_dev *idev; int error; @@ -329,6 +313,7 @@ static int stmpe_input_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, ts); + ts->stmpe = stmpe; ts->idev = idev; ts->dev = &pdev->dev; @@ -351,14 +336,13 @@ static int stmpe_input_probe(struct platform_device *pdev) idev->name = STMPE_TS_NAME; idev->phys = STMPE_TS_NAME"/input0"; idev->id.bustype = BUS_I2C; - idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); idev->open = stmpe_ts_open; idev->close = stmpe_ts_close; input_set_drvdata(idev, ts); + input_set_capability(idev, EV_KEY, BTN_TOUCH); input_set_abs_params(idev, ABS_X, 0, XY_MASK, 0, 0); input_set_abs_params(idev, ABS_Y, 0, XY_MASK, 0, 0); input_set_abs_params(idev, ABS_PRESSURE, 0x0, 0xff, 0, 0); @@ -383,14 +367,19 @@ static int stmpe_ts_remove(struct platform_device *pdev) static struct platform_driver stmpe_ts_driver = { .driver = { - .name = STMPE_TS_NAME, - }, + .name = STMPE_TS_NAME, + }, .probe = stmpe_input_probe, .remove = stmpe_ts_remove, }; module_platform_driver(stmpe_ts_driver); +static const struct of_device_id stmpe_ts_ids[] = { + { .compatible = "st,stmpe-ts", }, + { }, +}; +MODULE_DEVICE_TABLE(of, stmpe_ts_ids); + MODULE_AUTHOR("Luotao Fu <l.fu@pengutronix.de>"); MODULE_DESCRIPTION("STMPEXXX touchscreen driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" STMPE_TS_NAME); diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c index b93a28b955fd..c0116994067d 100644 --- a/drivers/input/touchscreen/sun4i-ts.c +++ b/drivers/input/touchscreen/sun4i-ts.c @@ -30,6 +30,10 @@ * These kinds of heuristics are just asking for trouble (and don't belong * in the kernel). So this driver offers straight forward, reliable single * touch functionality only. + * + * s.a. A20 User Manual "1.15 TP" (Documentation/arm/sunxi/README) + * (looks like the description in the A20 User Manual v1.3 is better + * than the one in the A10 User Manual v.1.5) */ #include <linux/err.h> @@ -193,7 +197,7 @@ static int sun4i_get_temp(const struct sun4i_ts_data *ts, long *temp) if (ts->temp_data == -1) return -EAGAIN; - *temp = (ts->temp_data - ts->temp_offset) * ts->temp_step; + *temp = ts->temp_data * ts->temp_step - ts->temp_offset; return 0; } @@ -246,6 +250,8 @@ static int sun4i_ts_probe(struct platform_device *pdev) int error; u32 reg; bool ts_attached; + u32 tp_sensitive_adjust = 15; + u32 filter_type = 1; ts = devm_kzalloc(dev, sizeof(struct sun4i_ts_data), GFP_KERNEL); if (!ts) @@ -255,22 +261,31 @@ static int sun4i_ts_probe(struct platform_device *pdev) ts->ignore_fifo_data = true; ts->temp_data = -1; if (of_device_is_compatible(np, "allwinner,sun6i-a31-ts")) { - /* Allwinner SDK has temperature = -271 + (value / 6) (C) */ - ts->temp_offset = 1626; + /* Allwinner SDK has temperature (C) = (value / 6) - 271 */ + ts->temp_offset = 271000; ts->temp_step = 167; + } else if (of_device_is_compatible(np, "allwinner,sun4i-a10-ts")) { + /* + * The A10 temperature sensor has quite a wide spread, these + * parameters are based on the averaging of the calibration + * results of 4 completely different boards, with a spread of + * temp_step from 0.096 - 0.170 and temp_offset from 176 - 331. + */ + ts->temp_offset = 257000; + ts->temp_step = 133; } else { /* * The user manuals do not contain the formula for calculating * the temperature. The formula used here is from the AXP209, * which is designed by X-Powers, an affiliate of Allwinner: * - * temperature = -144.7 + (value * 0.1) + * temperature (C) = (value * 0.1) - 144.7 * * Allwinner does not have any documentation whatsoever for * this hardware. Moreover, it is claimed that the sensor * is inaccurate and cannot work properly. */ - ts->temp_offset = 1447; + ts->temp_offset = 144700; ts->temp_step = 100; } @@ -313,14 +328,20 @@ static int sun4i_ts_probe(struct platform_device *pdev) ts->base + TP_CTRL0); /* - * sensitive_adjust = 15 : max, which is not all that sensitive, + * tp_sensitive_adjust is an optional property * tp_mode = 0 : only x and y coordinates, as we don't use dual touch */ - writel(TP_SENSITIVE_ADJUST(15) | TP_MODE_SELECT(0), + of_property_read_u32(np, "allwinner,tp-sensitive-adjust", + &tp_sensitive_adjust); + writel(TP_SENSITIVE_ADJUST(tp_sensitive_adjust) | TP_MODE_SELECT(0), ts->base + TP_CTRL2); - /* Enable median filter, type 1 : 5/3 */ - writel(FILTER_EN(1) | FILTER_TYPE(1), ts->base + TP_CTRL3); + /* + * Enable median and averaging filter, optional property for + * filter type. + */ + of_property_read_u32(np, "allwinner,filter-type", &filter_type); + writel(FILTER_EN(1) | FILTER_TYPE(filter_type), ts->base + TP_CTRL3); /* Enable temperature measurement, period 1953 (2 seconds) */ writel(TEMP_ENABLE(1) | TEMP_PERIOD(1953), ts->base + TP_TPR); @@ -330,10 +351,10 @@ static int sun4i_ts_probe(struct platform_device *pdev) * finally enable tp mode. */ reg = STYLUS_UP_DEBOUN(5) | STYLUS_UP_DEBOUN_EN(1); - if (of_device_is_compatible(np, "allwinner,sun4i-a10-ts")) - reg |= TP_MODE_EN(1); - else + if (of_device_is_compatible(np, "allwinner,sun6i-a31-ts")) reg |= SUN6I_TP_MODE_EN(1); + else + reg |= TP_MODE_EN(1); writel(reg, ts->base + TP_CTRL1); /* @@ -383,6 +404,7 @@ static int sun4i_ts_remove(struct platform_device *pdev) static const struct of_device_id sun4i_ts_of_match[] = { { .compatible = "allwinner,sun4i-a10-ts", }, + { .compatible = "allwinner,sun5i-a13-ts", }, { .compatible = "allwinner,sun6i-a31-ts", }, { /* sentinel */ } }; diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index f1cb05148b46..a24eba5ea843 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -1,7 +1,7 @@ /* * Surface2.0/SUR40/PixelSense input driver * - * Copyright (c) 2013 by Florian 'floe' Echtler <floe@butterbrot.org> + * Copyright (c) 2014 by Florian 'floe' Echtler <floe@butterbrot.org> * * Derived from the USB Skeleton driver 1.1, * Copyright (c) 2003 Greg Kroah-Hartman (greg@kroah.com) @@ -12,6 +12,9 @@ * and from the generic hid-multitouch driver, * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> * + * and from the v4l2-pci-skeleton driver, + * Copyright (c) Copyright 2014 Cisco Systems, Inc. + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of @@ -31,6 +34,11 @@ #include <linux/input-polldev.h> #include <linux/input/mt.h> #include <linux/usb/input.h> +#include <linux/videodev2.h> +#include <media/v4l2-device.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-ioctl.h> +#include <media/videobuf2-dma-sg.h> /* read 512 bytes from endpoint 0x86 -> get header + blobs */ struct sur40_header { @@ -82,9 +90,19 @@ struct sur40_data { struct sur40_blob blobs[]; } __packed; +/* read 512 bytes from endpoint 0x82 -> get header below + * continue reading 16k blocks until header.size bytes read */ +struct sur40_image_header { + __le32 magic; /* "SUBF" */ + __le32 packet_id; + __le32 size; /* always 0x0007e900 = 960x540 */ + __le32 timestamp; /* milliseconds (increases by 16 or 17 each frame) */ + __le32 unknown; /* "epoch?" always 02/03 00 00 00 */ +} __packed; /* version information */ #define DRIVER_SHORT "sur40" +#define DRIVER_LONG "Samsung SUR40" #define DRIVER_AUTHOR "Florian 'floe' Echtler <floe@butterbrot.org>" #define DRIVER_DESC "Surface2.0/SUR40/PixelSense input driver" @@ -99,6 +117,13 @@ struct sur40_data { /* touch data endpoint */ #define TOUCH_ENDPOINT 0x86 +/* video data endpoint */ +#define VIDEO_ENDPOINT 0x82 + +/* video header fields */ +#define VIDEO_HEADER_MAGIC 0x46425553 +#define VIDEO_PACKET_SIZE 16384 + /* polling interval (ms) */ #define POLL_INTERVAL 10 @@ -113,21 +138,23 @@ struct sur40_data { #define SUR40_GET_STATE 0xc5 /* 4 bytes state (?) */ #define SUR40_GET_SENSORS 0xb1 /* 8 bytes sensors */ -/* - * Note: an earlier, non-public version of this driver used USB_RECIP_ENDPOINT - * here by mistake which is very likely to have corrupted the firmware EEPROM - * on two separate SUR40 devices. Thanks to Alan Stern who spotted this bug. - * Should you ever run into a similar problem, the background story to this - * incident and instructions on how to fix the corrupted EEPROM are available - * at https://floe.butterbrot.org/matrix/hacking/surface/brick.html -*/ - +/* master device state */ struct sur40_state { struct usb_device *usbdev; struct device *dev; struct input_polled_dev *input; + struct v4l2_device v4l2; + struct video_device vdev; + struct mutex lock; + + struct vb2_queue queue; + struct vb2_alloc_ctx *alloc_ctx; + struct list_head buf_list; + spinlock_t qlock; + int sequence; + struct sur40_data *bulk_in_buffer; size_t bulk_in_size; u8 bulk_in_epaddr; @@ -135,6 +162,27 @@ struct sur40_state { char phys[64]; }; +struct sur40_buffer { + struct vb2_buffer vb; + struct list_head list; +}; + +/* forward declarations */ +static const struct video_device sur40_video_device; +static const struct v4l2_pix_format sur40_video_format; +static const struct vb2_queue sur40_queue; +static void sur40_process_video(struct sur40_state *sur40); + +/* + * Note: an earlier, non-public version of this driver used USB_RECIP_ENDPOINT + * here by mistake which is very likely to have corrupted the firmware EEPROM + * on two separate SUR40 devices. Thanks to Alan Stern who spotted this bug. + * Should you ever run into a similar problem, the background story to this + * incident and instructions on how to fix the corrupted EEPROM are available + * at https://floe.butterbrot.org/matrix/hacking/surface/brick.html +*/ + +/* command wrapper */ static int sur40_command(struct sur40_state *dev, u8 command, u16 index, void *buffer, u16 size) { @@ -247,7 +295,6 @@ static void sur40_report_blob(struct sur40_blob *blob, struct input_dev *input) /* core function: poll for new input data */ static void sur40_poll(struct input_polled_dev *polldev) { - struct sur40_state *sur40 = polldev->private; struct input_dev *input = polldev->input; int result, bulk_read, need_blobs, packet_blobs, i; @@ -314,6 +361,86 @@ static void sur40_poll(struct input_polled_dev *polldev) input_mt_sync_frame(input); input_sync(input); + + sur40_process_video(sur40); +} + +/* deal with video data */ +static void sur40_process_video(struct sur40_state *sur40) +{ + + struct sur40_image_header *img = (void *)(sur40->bulk_in_buffer); + struct sur40_buffer *new_buf; + struct usb_sg_request sgr; + struct sg_table *sgt; + int result, bulk_read; + + if (!vb2_start_streaming_called(&sur40->queue)) + return; + + /* get a new buffer from the list */ + spin_lock(&sur40->qlock); + if (list_empty(&sur40->buf_list)) { + dev_dbg(sur40->dev, "buffer queue empty\n"); + spin_unlock(&sur40->qlock); + return; + } + new_buf = list_entry(sur40->buf_list.next, struct sur40_buffer, list); + list_del(&new_buf->list); + spin_unlock(&sur40->qlock); + + /* retrieve data via bulk read */ + result = usb_bulk_msg(sur40->usbdev, + usb_rcvbulkpipe(sur40->usbdev, VIDEO_ENDPOINT), + sur40->bulk_in_buffer, sur40->bulk_in_size, + &bulk_read, 1000); + + if (result < 0) { + dev_err(sur40->dev, "error in usb_bulk_read\n"); + goto err_poll; + } + + if (bulk_read != sizeof(struct sur40_image_header)) { + dev_err(sur40->dev, "received %d bytes (%zd expected)\n", + bulk_read, sizeof(struct sur40_image_header)); + goto err_poll; + } + + if (le32_to_cpu(img->magic) != VIDEO_HEADER_MAGIC) { + dev_err(sur40->dev, "image magic mismatch\n"); + goto err_poll; + } + + if (le32_to_cpu(img->size) != sur40_video_format.sizeimage) { + dev_err(sur40->dev, "image size mismatch\n"); + goto err_poll; + } + + sgt = vb2_dma_sg_plane_desc(&new_buf->vb, 0); + + result = usb_sg_init(&sgr, sur40->usbdev, + usb_rcvbulkpipe(sur40->usbdev, VIDEO_ENDPOINT), 0, + sgt->sgl, sgt->nents, sur40_video_format.sizeimage, 0); + if (result < 0) { + dev_err(sur40->dev, "error %d in usb_sg_init\n", result); + goto err_poll; + } + + usb_sg_wait(&sgr); + if (sgr.status < 0) { + dev_err(sur40->dev, "error %d in usb_sg_wait\n", sgr.status); + goto err_poll; + } + + /* mark as finished */ + v4l2_get_timestamp(&new_buf->vb.v4l2_buf.timestamp); + new_buf->vb.v4l2_buf.sequence = sur40->sequence++; + new_buf->vb.v4l2_buf.field = V4L2_FIELD_NONE; + vb2_buffer_done(&new_buf->vb, VB2_BUF_STATE_DONE); + return; + +err_poll: + vb2_buffer_done(&new_buf->vb, VB2_BUF_STATE_ERROR); } /* Initialize input device parameters. */ @@ -377,6 +504,11 @@ static int sur40_probe(struct usb_interface *interface, goto err_free_dev; } + /* initialize locks/lists */ + INIT_LIST_HEAD(&sur40->buf_list); + spin_lock_init(&sur40->qlock); + mutex_init(&sur40->lock); + /* Set up polled input device control structure */ poll_dev->private = sur40; poll_dev->poll_interval = POLL_INTERVAL; @@ -387,7 +519,7 @@ static int sur40_probe(struct usb_interface *interface, /* Set up regular input device structure */ sur40_input_setup(poll_dev->input); - poll_dev->input->name = "Samsung SUR40"; + poll_dev->input->name = DRIVER_LONG; usb_to_input_id(usbdev, &poll_dev->input->id); usb_make_path(usbdev, sur40->phys, sizeof(sur40->phys)); strlcat(sur40->phys, "/input0", sizeof(sur40->phys)); @@ -408,6 +540,7 @@ static int sur40_probe(struct usb_interface *interface, goto err_free_polldev; } + /* register the polled input device */ error = input_register_polled_device(poll_dev); if (error) { dev_err(&interface->dev, @@ -415,12 +548,54 @@ static int sur40_probe(struct usb_interface *interface, goto err_free_buffer; } + /* register the video master device */ + snprintf(sur40->v4l2.name, sizeof(sur40->v4l2.name), "%s", DRIVER_LONG); + error = v4l2_device_register(sur40->dev, &sur40->v4l2); + if (error) { + dev_err(&interface->dev, + "Unable to register video master device."); + goto err_unreg_v4l2; + } + + /* initialize the lock and subdevice */ + sur40->queue = sur40_queue; + sur40->queue.drv_priv = sur40; + sur40->queue.lock = &sur40->lock; + + /* initialize the queue */ + error = vb2_queue_init(&sur40->queue); + if (error) + goto err_unreg_v4l2; + + sur40->alloc_ctx = vb2_dma_sg_init_ctx(sur40->dev); + if (IS_ERR(sur40->alloc_ctx)) { + dev_err(sur40->dev, "Can't allocate buffer context"); + goto err_unreg_v4l2; + } + + sur40->vdev = sur40_video_device; + sur40->vdev.v4l2_dev = &sur40->v4l2; + sur40->vdev.lock = &sur40->lock; + sur40->vdev.queue = &sur40->queue; + video_set_drvdata(&sur40->vdev, sur40); + + error = video_register_device(&sur40->vdev, VFL_TYPE_GRABBER, -1); + if (error) { + dev_err(&interface->dev, + "Unable to register video subdevice."); + goto err_unreg_video; + } + /* we can register the device now, as it is ready */ usb_set_intfdata(interface, sur40); dev_dbg(&interface->dev, "%s is now attached\n", DRIVER_DESC); return 0; +err_unreg_video: + video_unregister_device(&sur40->vdev); +err_unreg_v4l2: + v4l2_device_unregister(&sur40->v4l2); err_free_buffer: kfree(sur40->bulk_in_buffer); err_free_polldev: @@ -436,6 +611,10 @@ static void sur40_disconnect(struct usb_interface *interface) { struct sur40_state *sur40 = usb_get_intfdata(interface); + video_unregister_device(&sur40->vdev); + v4l2_device_unregister(&sur40->v4l2); + vb2_dma_sg_cleanup_ctx(sur40->alloc_ctx); + input_unregister_polled_device(sur40->input); input_free_polled_device(sur40->input); kfree(sur40->bulk_in_buffer); @@ -445,12 +624,243 @@ static void sur40_disconnect(struct usb_interface *interface) dev_dbg(&interface->dev, "%s is now disconnected\n", DRIVER_DESC); } +/* + * Setup the constraints of the queue: besides setting the number of planes + * per buffer and the size and allocation context of each plane, it also + * checks if sufficient buffers have been allocated. Usually 3 is a good + * minimum number: many DMA engines need a minimum of 2 buffers in the + * queue and you need to have another available for userspace processing. + */ +static int sur40_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct sur40_state *sur40 = vb2_get_drv_priv(q); + + if (q->num_buffers + *nbuffers < 3) + *nbuffers = 3 - q->num_buffers; + + if (fmt && fmt->fmt.pix.sizeimage < sur40_video_format.sizeimage) + return -EINVAL; + + *nplanes = 1; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage : sur40_video_format.sizeimage; + alloc_ctxs[0] = sur40->alloc_ctx; + + return 0; +} + +/* + * Prepare the buffer for queueing to the DMA engine: check and set the + * payload size. + */ +static int sur40_buffer_prepare(struct vb2_buffer *vb) +{ + struct sur40_state *sur40 = vb2_get_drv_priv(vb->vb2_queue); + unsigned long size = sur40_video_format.sizeimage; + + if (vb2_plane_size(vb, 0) < size) { + dev_err(&sur40->usbdev->dev, "buffer too small (%lu < %lu)\n", + vb2_plane_size(vb, 0), size); + return -EINVAL; + } + + vb2_set_plane_payload(vb, 0, size); + return 0; +} + +/* + * Queue this buffer to the DMA engine. + */ +static void sur40_buffer_queue(struct vb2_buffer *vb) +{ + struct sur40_state *sur40 = vb2_get_drv_priv(vb->vb2_queue); + struct sur40_buffer *buf = (struct sur40_buffer *)vb; + + spin_lock(&sur40->qlock); + list_add_tail(&buf->list, &sur40->buf_list); + spin_unlock(&sur40->qlock); +} + +static void return_all_buffers(struct sur40_state *sur40, + enum vb2_buffer_state state) +{ + struct sur40_buffer *buf, *node; + + spin_lock(&sur40->qlock); + list_for_each_entry_safe(buf, node, &sur40->buf_list, list) { + vb2_buffer_done(&buf->vb, state); + list_del(&buf->list); + } + spin_unlock(&sur40->qlock); +} + +/* + * Start streaming. First check if the minimum number of buffers have been + * queued. If not, then return -ENOBUFS and the vb2 framework will call + * this function again the next time a buffer has been queued until enough + * buffers are available to actually start the DMA engine. + */ +static int sur40_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct sur40_state *sur40 = vb2_get_drv_priv(vq); + + sur40->sequence = 0; + return 0; +} + +/* + * Stop the DMA engine. Any remaining buffers in the DMA queue are dequeued + * and passed on to the vb2 framework marked as STATE_ERROR. + */ +static void sur40_stop_streaming(struct vb2_queue *vq) +{ + struct sur40_state *sur40 = vb2_get_drv_priv(vq); + + /* Release all active buffers */ + return_all_buffers(sur40, VB2_BUF_STATE_ERROR); +} + +/* V4L ioctl */ +static int sur40_vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct sur40_state *sur40 = video_drvdata(file); + + strlcpy(cap->driver, DRIVER_SHORT, sizeof(cap->driver)); + strlcpy(cap->card, DRIVER_LONG, sizeof(cap->card)); + usb_make_path(sur40->usbdev, cap->bus_info, sizeof(cap->bus_info)); + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + return 0; +} + +static int sur40_vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + if (i->index != 0) + return -EINVAL; + i->type = V4L2_INPUT_TYPE_CAMERA; + i->std = V4L2_STD_UNKNOWN; + strlcpy(i->name, "In-Cell Sensor", sizeof(i->name)); + i->capabilities = 0; + return 0; +} + +static int sur40_vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + return (i == 0) ? 0 : -EINVAL; +} + +static int sur40_vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + *i = 0; + return 0; +} + +static int sur40_vidioc_fmt(struct file *file, void *priv, + struct v4l2_format *f) +{ + f->fmt.pix = sur40_video_format; + return 0; +} + +static int sur40_vidioc_enum_fmt(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (f->index != 0) + return -EINVAL; + strlcpy(f->description, "8-bit greyscale", sizeof(f->description)); + f->pixelformat = V4L2_PIX_FMT_GREY; + f->flags = 0; + return 0; +} + static const struct usb_device_id sur40_table[] = { { USB_DEVICE(ID_MICROSOFT, ID_SUR40) }, /* Samsung SUR40 */ { } /* terminating null entry */ }; MODULE_DEVICE_TABLE(usb, sur40_table); +/* V4L2 structures */ +static const struct vb2_ops sur40_queue_ops = { + .queue_setup = sur40_queue_setup, + .buf_prepare = sur40_buffer_prepare, + .buf_queue = sur40_buffer_queue, + .start_streaming = sur40_start_streaming, + .stop_streaming = sur40_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, +}; + +static const struct vb2_queue sur40_queue = { + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, + /* + * VB2_USERPTR in currently not enabled: passing a user pointer to + * dma-sg will result in segment sizes that are not a multiple of + * 512 bytes, which is required by the host controller. + */ + .io_modes = VB2_MMAP | VB2_READ | VB2_DMABUF, + .buf_struct_size = sizeof(struct sur40_buffer), + .ops = &sur40_queue_ops, + .mem_ops = &vb2_dma_sg_memops, + .timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, + .min_buffers_needed = 3, +}; + +static const struct v4l2_file_operations sur40_video_fops = { + .owner = THIS_MODULE, + .open = v4l2_fh_open, + .release = vb2_fop_release, + .unlocked_ioctl = video_ioctl2, + .read = vb2_fop_read, + .mmap = vb2_fop_mmap, + .poll = vb2_fop_poll, +}; + +static const struct v4l2_ioctl_ops sur40_video_ioctl_ops = { + + .vidioc_querycap = sur40_vidioc_querycap, + + .vidioc_enum_fmt_vid_cap = sur40_vidioc_enum_fmt, + .vidioc_try_fmt_vid_cap = sur40_vidioc_fmt, + .vidioc_s_fmt_vid_cap = sur40_vidioc_fmt, + .vidioc_g_fmt_vid_cap = sur40_vidioc_fmt, + + .vidioc_enum_input = sur40_vidioc_enum_input, + .vidioc_g_input = sur40_vidioc_g_input, + .vidioc_s_input = sur40_vidioc_s_input, + + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, + + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, +}; + +static const struct video_device sur40_video_device = { + .name = DRIVER_LONG, + .fops = &sur40_video_fops, + .ioctl_ops = &sur40_video_ioctl_ops, + .release = video_device_release_empty, +}; + +static const struct v4l2_pix_format sur40_video_format = { + .pixelformat = V4L2_PIX_FMT_GREY, + .width = SENSOR_RES_X / 2, + .height = SENSOR_RES_Y / 2, + .field = V4L2_FIELD_NONE, + .colorspace = V4L2_COLORSPACE_SRGB, + .bytesperline = SENSOR_RES_X / 2, + .sizeimage = (SENSOR_RES_X/2) * (SENSOR_RES_Y/2), +}; + /* USB-specific object needed to register this driver with the USB subsystem. */ static struct usb_driver sur40_driver = { .name = DRIVER_SHORT, diff --git a/drivers/input/touchscreen/sx8654.c b/drivers/input/touchscreen/sx8654.c new file mode 100644 index 000000000000..642f4a53de50 --- /dev/null +++ b/drivers/input/touchscreen/sx8654.c @@ -0,0 +1,286 @@ +/* + * Driver for Semtech SX8654 I2C touchscreen controller. + * + * Copyright (c) 2015 Armadeus Systems + * Sébastien Szymanski <sebastien.szymanski@armadeus.com> + * + * Using code from: + * - sx865x.c + * Copyright (c) 2013 U-MoBo Srl + * Pierluigi Passaro <p.passaro@u-mobo.com> + * - sx8650.c + * Copyright (c) 2009 Wayne Roberts + * - tsc2007.c + * Copyright (c) 2008 Kwangwoo Lee + * - ads7846.c + * Copyright (c) 2005 David Brownell + * Copyright (c) 2006 Nokia Corporation + * - corgi_ts.c + * Copyright (C) 2004-2005 Richard Purdie + * - omap_ts.[hc], ads7846.h, ts_osk.c + * Copyright (C) 2002 MontaVista Software + * Copyright (C) 2004 Texas Instruments + * Copyright (C) 2005 Dirk Behme + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/input.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/irq.h> + +/* register addresses */ +#define I2C_REG_TOUCH0 0x00 +#define I2C_REG_TOUCH1 0x01 +#define I2C_REG_CHANMASK 0x04 +#define I2C_REG_IRQMASK 0x22 +#define I2C_REG_IRQSRC 0x23 +#define I2C_REG_SOFTRESET 0x3f + +/* commands */ +#define CMD_READ_REGISTER 0x40 +#define CMD_MANUAL 0xc0 +#define CMD_PENTRG 0xe0 + +/* value for I2C_REG_SOFTRESET */ +#define SOFTRESET_VALUE 0xde + +/* bits for I2C_REG_IRQSRC */ +#define IRQ_PENTOUCH_TOUCHCONVDONE 0x08 +#define IRQ_PENRELEASE 0x04 + +/* bits for RegTouch1 */ +#define CONDIRQ 0x20 +#define FILT_7SA 0x03 + +/* bits for I2C_REG_CHANMASK */ +#define CONV_X 0x80 +#define CONV_Y 0x40 + +/* coordinates rate: higher nibble of CTRL0 register */ +#define RATE_MANUAL 0x00 +#define RATE_5000CPS 0xf0 + +/* power delay: lower nibble of CTRL0 register */ +#define POWDLY_1_1MS 0x0b + +#define MAX_12BIT ((1 << 12) - 1) + +struct sx8654 { + struct input_dev *input; + struct i2c_client *client; +}; + +static irqreturn_t sx8654_irq(int irq, void *handle) +{ + struct sx8654 *sx8654 = handle; + int irqsrc; + u8 data[4]; + unsigned int x, y; + int retval; + + irqsrc = i2c_smbus_read_byte_data(sx8654->client, + CMD_READ_REGISTER | I2C_REG_IRQSRC); + dev_dbg(&sx8654->client->dev, "irqsrc = 0x%x", irqsrc); + + if (irqsrc < 0) + goto out; + + if (irqsrc & IRQ_PENRELEASE) { + dev_dbg(&sx8654->client->dev, "pen release interrupt"); + + input_report_key(sx8654->input, BTN_TOUCH, 0); + input_sync(sx8654->input); + } + + if (irqsrc & IRQ_PENTOUCH_TOUCHCONVDONE) { + dev_dbg(&sx8654->client->dev, "pen touch interrupt"); + + retval = i2c_master_recv(sx8654->client, data, sizeof(data)); + if (retval != sizeof(data)) + goto out; + + /* invalid data */ + if (unlikely(data[0] & 0x80 || data[2] & 0x80)) + goto out; + + x = ((data[0] & 0xf) << 8) | (data[1]); + y = ((data[2] & 0xf) << 8) | (data[3]); + + input_report_abs(sx8654->input, ABS_X, x); + input_report_abs(sx8654->input, ABS_Y, y); + input_report_key(sx8654->input, BTN_TOUCH, 1); + input_sync(sx8654->input); + + dev_dbg(&sx8654->client->dev, "point(%4d,%4d)\n", x, y); + } + +out: + return IRQ_HANDLED; +} + +static int sx8654_open(struct input_dev *dev) +{ + struct sx8654 *sx8654 = input_get_drvdata(dev); + struct i2c_client *client = sx8654->client; + int error; + + /* enable pen trigger mode */ + error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH0, + RATE_5000CPS | POWDLY_1_1MS); + if (error) { + dev_err(&client->dev, "writing to I2C_REG_TOUCH0 failed"); + return error; + } + + error = i2c_smbus_write_byte(client, CMD_PENTRG); + if (error) { + dev_err(&client->dev, "writing command CMD_PENTRG failed"); + return error; + } + + enable_irq(client->irq); + + return 0; +} + +static void sx8654_close(struct input_dev *dev) +{ + struct sx8654 *sx8654 = input_get_drvdata(dev); + struct i2c_client *client = sx8654->client; + int error; + + disable_irq(client->irq); + + /* enable manual mode mode */ + error = i2c_smbus_write_byte(client, CMD_MANUAL); + if (error) { + dev_err(&client->dev, "writing command CMD_MANUAL failed"); + return; + } + + error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH0, 0); + if (error) { + dev_err(&client->dev, "writing to I2C_REG_TOUCH0 failed"); + return; + } +} + +static int sx8654_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct sx8654 *sx8654; + struct input_dev *input; + int error; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_WORD_DATA)) + return -ENXIO; + + sx8654 = devm_kzalloc(&client->dev, sizeof(*sx8654), GFP_KERNEL); + if (!sx8654) + return -ENOMEM; + + input = devm_input_allocate_device(&client->dev); + if (!input) + return -ENOMEM; + + input->name = "SX8654 I2C Touchscreen"; + input->id.bustype = BUS_I2C; + input->dev.parent = &client->dev; + input->open = sx8654_open; + input->close = sx8654_close; + + __set_bit(INPUT_PROP_DIRECT, input->propbit); + input_set_capability(input, EV_KEY, BTN_TOUCH); + input_set_abs_params(input, ABS_X, 0, MAX_12BIT, 0, 0); + input_set_abs_params(input, ABS_Y, 0, MAX_12BIT, 0, 0); + + sx8654->client = client; + sx8654->input = input; + + input_set_drvdata(sx8654->input, sx8654); + + error = i2c_smbus_write_byte_data(client, I2C_REG_SOFTRESET, + SOFTRESET_VALUE); + if (error) { + dev_err(&client->dev, "writing softreset value failed"); + return error; + } + + error = i2c_smbus_write_byte_data(client, I2C_REG_CHANMASK, + CONV_X | CONV_Y); + if (error) { + dev_err(&client->dev, "writing to I2C_REG_CHANMASK failed"); + return error; + } + + error = i2c_smbus_write_byte_data(client, I2C_REG_IRQMASK, + IRQ_PENTOUCH_TOUCHCONVDONE | + IRQ_PENRELEASE); + if (error) { + dev_err(&client->dev, "writing to I2C_REG_IRQMASK failed"); + return error; + } + + error = i2c_smbus_write_byte_data(client, I2C_REG_TOUCH1, + CONDIRQ | FILT_7SA); + if (error) { + dev_err(&client->dev, "writing to I2C_REG_TOUCH1 failed"); + return error; + } + + error = devm_request_threaded_irq(&client->dev, client->irq, + NULL, sx8654_irq, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + client->name, sx8654); + if (error) { + dev_err(&client->dev, + "Failed to enable IRQ %d, error: %d\n", + client->irq, error); + return error; + } + + /* Disable the IRQ, we'll enable it in sx8654_open() */ + disable_irq(client->irq); + + error = input_register_device(sx8654->input); + if (error) + return error; + + i2c_set_clientdata(client, sx8654); + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id sx8654_of_match[] = { + { .compatible = "semtech,sx8654", }, + { }, +}; +MODULE_DEVICE_TABLE(of, sx8654_of_match); +#endif + +static const struct i2c_device_id sx8654_id_table[] = { + { "semtech_sx8654", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, sx8654_id_table); + +static struct i2c_driver sx8654_driver = { + .driver = { + .name = "sx8654", + .of_match_table = of_match_ptr(sx8654_of_match), + }, + .id_table = sx8654_id_table, + .probe = sx8654_probe, +}; +module_i2c_driver(sx8654_driver); + +MODULE_AUTHOR("Sébastien Szymanski <sebastien.szymanski@armadeus.com>"); +MODULE_DESCRIPTION("Semtech SX8654 I2C Touchscreen Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 1bf9906b5a3f..ccc8aa615709 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -75,7 +75,7 @@ struct tsc2007 { u16 model; u16 x_plate_ohms; u16 max_rt; - unsigned long poll_period; + unsigned long poll_period; /* in jiffies */ int fuzzx; int fuzzy; int fuzzz; @@ -214,8 +214,7 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle) dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt); } - wait_event_timeout(ts->wait, ts->stopped, - msecs_to_jiffies(ts->poll_period)); + wait_event_timeout(ts->wait, ts->stopped, ts->poll_period); } dev_dbg(&ts->client->dev, "UP\n"); @@ -314,9 +313,9 @@ static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts) ts->fuzzz = val32; if (!of_property_read_u64(np, "ti,poll-period", &val64)) - ts->poll_period = val64; + ts->poll_period = msecs_to_jiffies(val64); else - ts->poll_period = 1; + ts->poll_period = msecs_to_jiffies(1); if (!of_property_read_u32(np, "ti,x-plate-ohms", &val32)) { ts->x_plate_ohms = val32; @@ -350,7 +349,7 @@ static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts, ts->model = pdata->model; ts->x_plate_ohms = pdata->x_plate_ohms; ts->max_rt = pdata->max_rt ? : MAX_12BIT; - ts->poll_period = pdata->poll_period ? : 1; + ts->poll_period = msecs_to_jiffies(pdata->poll_period ? : 1); ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; ts->fuzzx = pdata->fuzzx; diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index a0966331a89b..f2c6c352c55a 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -132,6 +132,7 @@ enum { DEVTYPE_GUNZE, DEVTYPE_DMC_TSC10, DEVTYPE_IRTOUCH, + DEVTYPE_IRTOUCH_HIRES, DEVTYPE_IDEALTEK, DEVTYPE_GENERAL_TOUCH, DEVTYPE_GOTOP, @@ -198,6 +199,7 @@ static const struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH {USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, + {USB_DEVICE(0x6615, 0x0012), .driver_info = DEVTYPE_IRTOUCH_HIRES}, #endif #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK @@ -1177,6 +1179,15 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .rept_size = 8, .read_data = irtouch_read_data, }, + + [DEVTYPE_IRTOUCH_HIRES] = { + .min_xc = 0x0, + .max_xc = 0x7fff, + .min_yc = 0x0, + .max_yc = 0x7fff, + .rept_size = 8, + .read_data = irtouch_read_data, + }, #endif #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 19880c7385e3..f58a196521a9 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -30,7 +30,6 @@ #include <linux/input/mt.h> #include <linux/platform_data/zforce_ts.h> #include <linux/regulator/consumer.h> -#include <linux/delay.h> #include <linux/of.h> #include <linux/of_gpio.h> |