diff options
| -rw-r--r-- | drivers/input/keyboard/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/input/keyboard/Makefile | 1 | ||||
| -rw-r--r-- | drivers/input/keyboard/jornada720_kbd.c | 181 |
3 files changed, 192 insertions, 0 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 1881900f24c8..18303f2bbafd 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -219,6 +219,16 @@ config KEYBOARD_HP6XX To compile this driver as a module, choose M here: the module will be called jornada680_kbd. +config KEYBOARD_HP7XX + tristate "HP Jornada 7XX Keyboard Driver" + depends on SA1100_JORNADA720_SSP && SA1100_SSP + help + Say Y here to add support for the HP Jornada 7xx (710/720/728) + onboard keyboard. + + To compile this driver as a module, choose M here: the + module will be called jornada720_kbd. + config KEYBOARD_OMAP tristate "TI OMAP keypad support" depends on (ARCH_OMAP1 || ARCH_OMAP2) diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index 7ecd2b05a28a..4cc7dc947db1 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -22,4 +22,5 @@ obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x_keyboard.o obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o +obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c new file mode 100644 index 000000000000..dd8a037f7281 --- /dev/null +++ b/drivers/input/keyboard/jornada720_kbd.c @@ -0,0 +1,181 @@ +/* + * drivers/input/keyboard/jornada720_kbd.c + * + * HP Jornada 720 keyboard platform driver + * + * Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@Gmail.com> + * + * Copyright (C) 2006 jornada 720 kbd driver by + Filip Zyzniewsk <Filip.Zyzniewski@tefnet.plX + * based on (C) 2004 jornada 720 kbd driver by + Alex Lange <chicken@handhelds.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/device.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/arch/jornada720.h> +#include <asm/hardware.h> + +MODULE_AUTHOR("Kristoffer Ericson <Kristoffer.Ericson@gmail.com>"); +MODULE_DESCRIPTION("HP Jornada 710/720/728 keyboard driver"); +MODULE_LICENSE("GPLv2"); + +static unsigned short jornada_std_keymap[128] = { /* ROW */ + 0, KEY_ESC, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, /* #1 */ + KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE, /* -> */ + 0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, /* #2 */ + KEY_0, KEY_MINUS, KEY_EQUAL,0, 0, 0, /* -> */ + 0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, /* #3 */ + KEY_P, KEY_BACKSLASH, KEY_BACKSPACE, 0, 0, 0, /* -> */ + 0, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L, /* #4 */ + KEY_SEMICOLON, KEY_LEFTBRACE, KEY_RIGHTBRACE, 0, 0, 0, /* -> */ + 0, KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_COMMA, /* #5 */ + KEY_DOT, KEY_KPMINUS, KEY_APOSTROPHE, KEY_ENTER, 0, 0,0, /* -> */ + 0, KEY_TAB, 0, KEY_LEFTSHIFT, 0, KEY_APOSTROPHE, 0, 0, 0, 0, /* #6 */ + KEY_UP, 0, KEY_RIGHTSHIFT, 0, 0, 0,0, 0, 0, 0, 0, KEY_LEFTALT, KEY_GRAVE, /* -> */ + 0, 0, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0,0, KEY_KPASTERISK, /* -> */ + KEY_LEFTCTRL, 0, KEY_SPACE, 0, 0, 0, KEY_SLASH, KEY_DELETE, 0, 0, /* -> */ + 0, 0, 0, KEY_POWER, /* -> */ +}; + +struct jornadakbd { + unsigned short keymap[ARRAY_SIZE(jornada_std_keymap)]; + struct input_dev *input; +}; + +static irqreturn_t jornada720_kbd_interrupt(int irq, void *dev_id) +{ + struct platform_device *pdev = dev_id; + struct jornadakbd *jornadakbd = platform_get_drvdata(pdev); + u8 count, kbd_data; + + /* startup ssp with spinlock */ + jornada_ssp_start(); + + if (jornada_ssp_inout(GETSCANKEYCODE) != TXDUMMY) { + printk(KERN_DEBUG + "jornada720_kbd: " + "GetKeycode command failed with ETIMEDOUT, " + "flushed bus\n"); + } else { + /* How many keycodes are waiting for us? */ + count = jornada_ssp_byte(TXDUMMY); + + /* Lets drag them out one at a time */ + while (count--) { + /* Exchange TxDummy for location (keymap[kbddata]) */ + kbd_data = jornada_ssp_byte(TXDUMMY); + + input_report_key(jornadakbd->input, + jornadakbd->keymap[kbd_data & 0x7f], + !(kbd_data & 0x80)); + input_sync(jornadakbd->input); + } + } + + /* release spinlock and turn off ssp */ + jornada_ssp_end(); + + return IRQ_HANDLED; +}; + +static int __devinit jornada720_kbd_probe(struct platform_device *pdev) +{ + struct jornadakbd *jornadakbd; + struct input_dev *input_dev; + int i, err; + + jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!jornadakbd || !input_dev) { + err = -ENOMEM; + goto fail1; + } + + platform_set_drvdata(pdev, jornadakbd); + + memcpy(jornadakbd->keymap, jornada_std_keymap, + sizeof(jornada_std_keymap)); + jornadakbd->input = input_dev; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + input_dev->name = "HP Jornada 720 keyboard"; + input_dev->phys = "jornadakbd/input0"; + input_dev->keycode = jornadakbd->keymap; + input_dev->keycodesize = sizeof(unsigned short); + input_dev->keycodemax = ARRAY_SIZE(jornada_std_keymap); + input_dev->id.bustype = BUS_HOST; + input_dev->dev.parent = &pdev->dev; + + for (i = 0; i < ARRAY_SIZE(jornadakbd->keymap); i++) + __set_bit(jornadakbd->keymap[i], input_dev->keybit); + __clear_bit(KEY_RESERVED, input_dev->keybit); + + err = request_irq(IRQ_GPIO0, + jornada720_kbd_interrupt, + IRQF_DISABLED | IRQF_TRIGGER_FALLING, + "jornadakbd", pdev); + if (err) { + printk(KERN_INFO "jornadakbd720_kbd: Unable to grab IRQ\n"); + goto fail1; + } + + err = input_register_device(jornadakbd->input); + if (err) + goto fail2; + + return 0; + + fail2: /* IRQ, DEVICE, MEMORY */ + free_irq(IRQ_GPIO0, pdev); + fail1: /* DEVICE, MEMORY */ + platform_set_drvdata(pdev, NULL); + input_free_device(input_dev); + kfree(jornadakbd); + return err; +}; + +static int __devexit jornada720_kbd_remove(struct platform_device *pdev) +{ + struct jornadakbd *jornadakbd = platform_get_drvdata(pdev); + + free_irq(IRQ_GPIO0, pdev); + platform_set_drvdata(pdev, NULL); + input_unregister_device(jornadakbd->input); + kfree(jornadakbd); + + return 0; +} + +static struct platform_driver jornada720_kbd_driver = { + .driver = { + .name = "jornada720_kbd", + }, + .probe = jornada720_kbd_probe, + .remove = __devexit_p(jornada720_kbd_remove), +}; + +static int __init jornada720_kbd_init(void) +{ + return platform_driver_register(&jornada720_kbd_driver); +} + +static void __exit jornada720_kbd_exit(void) +{ + platform_driver_unregister(&jornada720_kbd_driver); +} + +module_init(jornada720_kbd_init); +module_exit(jornada720_kbd_exit); |