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-rw-r--r--drivers/hid/Kconfig19
-rw-r--r--drivers/hid/Makefile1
-rw-r--r--drivers/hid/hid-apple.c3
-rw-r--r--drivers/hid/hid-core.c54
-rw-r--r--drivers/hid/hid-cp2112.c1073
-rw-r--r--drivers/hid/hid-hyperv.c21
-rw-r--r--drivers/hid/hid-ids.h9
-rw-r--r--drivers/hid/hid-input.c20
-rw-r--r--drivers/hid/hid-lg.c6
-rw-r--r--drivers/hid/hid-lg4ff.c2
-rw-r--r--drivers/hid/hid-logitech-dj.c111
-rw-r--r--drivers/hid/hid-magicmouse.c4
-rw-r--r--drivers/hid/hid-microsoft.c4
-rw-r--r--drivers/hid/hid-multitouch.c5
-rw-r--r--drivers/hid/hid-sensor-hub.c10
-rw-r--r--drivers/hid/hid-sony.c817
-rw-r--r--drivers/hid/hid-thingm.c4
-rw-r--r--drivers/hid/hid-wacom.c28
-rw-r--r--drivers/hid/hid-wiimote-core.c4
-rw-r--r--drivers/hid/hidraw.c31
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c139
-rw-r--r--drivers/hid/uhid.c25
-rw-r--r--drivers/hid/usbhid/hid-core.c102
-rw-r--r--drivers/hid/usbhid/hid-quirks.c1
24 files changed, 2180 insertions, 313 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index f7220011a00b..7af9d0b5dea1 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -175,6 +175,15 @@ config HID_PRODIKEYS
multimedia keyboard, but will lack support for the musical keyboard
and some additional multimedia keys.
+config HID_CP2112
+ tristate "Silicon Labs CP2112 HID USB-to-SMBus Bridge support"
+ depends on USB_HID && I2C && GPIOLIB
+ ---help---
+ Support for Silicon Labs CP2112 HID USB to SMBus Master Bridge.
+ This is a HID device driver which registers as an i2c adapter
+ and gpiochip to expose these functions of the CP2112. The
+ customizable USB descriptor fields are exposed as sysfs attributes.
+
config HID_CYPRESS
tristate "Cypress mouse and barcode readers" if EXPERT
depends on HID
@@ -608,25 +617,27 @@ config HID_SAMSUNG
Support for Samsung InfraRed remote control or keyboards.
config HID_SONY
- tristate "Sony PS2/3 accessories"
+ tristate "Sony PS2/3/4 accessories"
depends on USB_HID
depends on NEW_LEDS
depends on LEDS_CLASS
+ select POWER_SUPPLY
---help---
Support for
* Sony PS3 6-axis controllers
+ * Sony PS4 DualShock 4 controllers
* Buzz controllers
* Sony PS3 Blue-ray Disk Remote Control (Bluetooth)
* Logitech Harmony adapter for Sony Playstation 3 (Bluetooth)
config SONY_FF
- bool "Sony PS2/3 accessories force feedback support"
+ bool "Sony PS2/3/4 accessories force feedback support"
depends on HID_SONY
select INPUT_FF_MEMLESS
---help---
- Say Y here if you have a Sony PS2/3 accessory and want to enable force
- feedback support for it.
+ Say Y here if you have a Sony PS2/3/4 accessory and want to enable
+ force feedback support for it.
config HID_SPEEDLINK
tristate "Speedlink VAD Cezanne mouse support"
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 30e44318f87f..fc712dde02a4 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
+obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
obj-$(CONFIG_HID_DRAGONRISE) += hid-dr.o
obj-$(CONFIG_HID_EMS_FF) += hid-emsff.o
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 497558127bb3..f822fd2a1ada 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -469,6 +469,9 @@ static const struct hid_device_id apple_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS),
+ .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 026ab0fc06f7..3736f6a121b7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1248,6 +1248,11 @@ void hid_output_report(struct hid_report *report, __u8 *data)
}
EXPORT_SYMBOL_GPL(hid_output_report);
+static int hid_report_len(struct hid_report *report)
+{
+ return ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
+}
+
/*
* Allocator for buffer that is going to be passed to hid_output_report()
*/
@@ -1258,7 +1263,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
* of implement() working on 8 byte chunks
*/
- int len = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
+ int len = hid_report_len(report);
return kmalloc(len, flags);
}
@@ -1314,6 +1319,41 @@ static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
return report;
}
+/*
+ * Implement a generic .request() callback, using .raw_request()
+ * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
+ */
+void __hid_request(struct hid_device *hid, struct hid_report *report,
+ int reqtype)
+{
+ char *buf;
+ int ret;
+ int len;
+
+ buf = hid_alloc_report_buf(report, GFP_KERNEL);
+ if (!buf)
+ return;
+
+ len = hid_report_len(report);
+
+ if (reqtype == HID_REQ_SET_REPORT)
+ hid_output_report(report, buf);
+
+ ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
+ report->type, reqtype);
+ if (ret < 0) {
+ dbg_hid("unable to complete request: %d\n", ret);
+ goto out;
+ }
+
+ if (reqtype == HID_REQ_GET_REPORT)
+ hid_input_report(hid, report->type, buf, ret, 0);
+
+out:
+ kfree(buf);
+}
+EXPORT_SYMBOL_GPL(__hid_request);
+
int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
int interrupt)
{
@@ -1679,6 +1719,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
@@ -1692,6 +1733,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
@@ -1779,6 +1821,8 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
@@ -2429,6 +2473,14 @@ int hid_add_device(struct hid_device *hdev)
return -ENODEV;
/*
+ * Check for the mandatory transport channel.
+ */
+ if (!hdev->ll_driver->raw_request) {
+ hid_err(hdev, "transport driver missing .raw_request()\n");
+ return -EINVAL;
+ }
+
+ /*
* Read the device report descriptor once and use as template
* for the driver-specific modifications.
*/
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
new file mode 100644
index 000000000000..56be85a9a77c
--- /dev/null
+++ b/drivers/hid/hid-cp2112.c
@@ -0,0 +1,1073 @@
+/*
+ * hid-cp2112.c - Silicon Labs HID USB to SMBus master bridge
+ * Copyright (c) 2013,2014 Uplogix, Inc.
+ * David Barksdale <dbarksdale@uplogix.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+/*
+ * The Silicon Labs CP2112 chip is a USB HID device which provides an
+ * SMBus controller for talking to slave devices and 8 GPIO pins. The
+ * host communicates with the CP2112 via raw HID reports.
+ *
+ * Data Sheet:
+ * http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf
+ * Programming Interface Specification:
+ * http://www.silabs.com/Support%20Documents/TechnicalDocs/AN495.pdf
+ */
+
+#include <linux/gpio.h>
+#include <linux/hid.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/nls.h>
+#include <linux/usb/ch9.h>
+#include "hid-ids.h"
+
+enum {
+ CP2112_GPIO_CONFIG = 0x02,
+ CP2112_GPIO_GET = 0x03,
+ CP2112_GPIO_SET = 0x04,
+ CP2112_GET_VERSION_INFO = 0x05,
+ CP2112_SMBUS_CONFIG = 0x06,
+ CP2112_DATA_READ_REQUEST = 0x10,
+ CP2112_DATA_WRITE_READ_REQUEST = 0x11,
+ CP2112_DATA_READ_FORCE_SEND = 0x12,
+ CP2112_DATA_READ_RESPONSE = 0x13,
+ CP2112_DATA_WRITE_REQUEST = 0x14,
+ CP2112_TRANSFER_STATUS_REQUEST = 0x15,
+ CP2112_TRANSFER_STATUS_RESPONSE = 0x16,
+ CP2112_CANCEL_TRANSFER = 0x17,
+ CP2112_LOCK_BYTE = 0x20,
+ CP2112_USB_CONFIG = 0x21,
+ CP2112_MANUFACTURER_STRING = 0x22,
+ CP2112_PRODUCT_STRING = 0x23,
+ CP2112_SERIAL_STRING = 0x24,
+};
+
+enum {
+ STATUS0_IDLE = 0x00,
+ STATUS0_BUSY = 0x01,
+ STATUS0_COMPLETE = 0x02,
+ STATUS0_ERROR = 0x03,
+};
+
+enum {
+ STATUS1_TIMEOUT_NACK = 0x00,
+ STATUS1_TIMEOUT_BUS = 0x01,
+ STATUS1_ARBITRATION_LOST = 0x02,
+ STATUS1_READ_INCOMPLETE = 0x03,
+ STATUS1_WRITE_INCOMPLETE = 0x04,
+ STATUS1_SUCCESS = 0x05,
+};
+
+struct cp2112_smbus_config_report {
+ u8 report; /* CP2112_SMBUS_CONFIG */
+ __be32 clock_speed; /* Hz */
+ u8 device_address; /* Stored in the upper 7 bits */
+ u8 auto_send_read; /* 1 = enabled, 0 = disabled */
+ __be16 write_timeout; /* ms, 0 = no timeout */
+ __be16 read_timeout; /* ms, 0 = no timeout */
+ u8 scl_low_timeout; /* 1 = enabled, 0 = disabled */
+ __be16 retry_time; /* # of retries, 0 = no limit */
+} __packed;
+
+struct cp2112_usb_config_report {
+ u8 report; /* CP2112_USB_CONFIG */
+ __le16 vid; /* Vendor ID */
+ __le16 pid; /* Product ID */
+ u8 max_power; /* Power requested in 2mA units */
+ u8 power_mode; /* 0x00 = bus powered
+ 0x01 = self powered & regulator off
+ 0x02 = self powered & regulator on */
+ u8 release_major;
+ u8 release_minor;
+ u8 mask; /* What fields to program */
+} __packed;
+
+struct cp2112_read_req_report {
+ u8 report; /* CP2112_DATA_READ_REQUEST */
+ u8 slave_address;
+ __be16 length;
+} __packed;
+
+struct cp2112_write_read_req_report {
+ u8 report; /* CP2112_DATA_WRITE_READ_REQUEST */
+ u8 slave_address;
+ __be16 length;
+ u8 target_address_length;
+ u8 target_address[16];
+} __packed;
+
+struct cp2112_write_req_report {
+ u8 report; /* CP2112_DATA_WRITE_REQUEST */
+ u8 slave_address;
+ u8 length;
+ u8 data[61];
+} __packed;
+
+struct cp2112_force_read_report {
+ u8 report; /* CP2112_DATA_READ_FORCE_SEND */
+ __be16 length;
+} __packed;
+
+struct cp2112_xfer_status_report {
+ u8 report; /* CP2112_TRANSFER_STATUS_RESPONSE */
+ u8 status0; /* STATUS0_* */
+ u8 status1; /* STATUS1_* */
+ __be16 retries;
+ __be16 length;
+} __packed;
+
+struct cp2112_string_report {
+ u8 dummy; /* force .string to be aligned */
+ u8 report; /* CP2112_*_STRING */
+ u8 length; /* length in bytes of everyting after .report */
+ u8 type; /* USB_DT_STRING */
+ wchar_t string[30]; /* UTF16_LITTLE_ENDIAN string */
+} __packed;
+
+/* Number of times to request transfer status before giving up waiting for a
+ transfer to complete. This may need to be changed if SMBUS clock, retries,
+ or read/write/scl_low timeout settings are changed. */
+static const int XFER_STATUS_RETRIES = 10;
+
+/* Time in ms to wait for a CP2112_DATA_READ_RESPONSE or
+ CP2112_TRANSFER_STATUS_RESPONSE. */
+static const int RESPONSE_TIMEOUT = 50;
+
+static const struct hid_device_id cp2112_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, cp2112_devices);
+
+struct cp2112_device {
+ struct i2c_adapter adap;
+ struct hid_device *hdev;
+ wait_queue_head_t wait;
+ u8 read_data[61];
+ u8 read_length;
+ int xfer_status;
+ atomic_t read_avail;
+ atomic_t xfer_avail;
+ struct gpio_chip gc;
+};
+
+static int gpio_push_pull = 0xFF;
+module_param(gpio_push_pull, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(gpio_push_pull, "GPIO push-pull configuration bitmask");
+
+static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+ struct cp2112_device *dev = container_of(chip, struct cp2112_device,
+ gc);
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[5];
+ int ret;
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
+ sizeof(buf), HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "error requesting GPIO config: %d\n", ret);
+ return ret;
+ }
+
+ buf[1] &= ~(1 << offset);
+ buf[2] = gpio_push_pull;
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ if (ret < 0) {
+ hid_err(hdev, "error setting GPIO config: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct cp2112_device *dev = container_of(chip, struct cp2112_device,
+ gc);
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[3];
+ int ret;
+
+ buf[0] = CP2112_GPIO_SET;
+ buf[1] = value ? 0xff : 0;
+ buf[2] = 1 << offset;
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ if (ret < 0)
+ hid_err(hdev, "error setting GPIO values: %d\n", ret);
+}
+
+static int cp2112_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct cp2112_device *dev = container_of(chip, struct cp2112_device,
+ gc);
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[2];
+ int ret;
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_GET, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "error requesting GPIO values: %d\n", ret);
+ return ret;
+ }
+
+ return (buf[1] >> offset) & 1;
+}
+
+static int cp2112_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct cp2112_device *dev = container_of(chip, struct cp2112_device,
+ gc);
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[5];
+ int ret;
+
+ cp2112_gpio_set(chip, offset, value);
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
+ sizeof(buf), HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "error requesting GPIO config: %d\n", ret);
+ return ret;
+ }
+
+ buf[1] |= 1 << offset;
+ buf[2] = gpio_push_pull;
+
+ ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+ if (ret < 0) {
+ hid_err(hdev, "error setting GPIO config: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int cp2112_hid_get(struct hid_device *hdev, unsigned char report_number,
+ u8 *data, size_t count, unsigned char report_type)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmalloc(count, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = hid_hw_raw_request(hdev, report_number, buf, count,
+ report_type, HID_REQ_GET_REPORT);
+ memcpy(data, buf, count);
+ kfree(buf);
+ return ret;
+}
+
+static int cp2112_hid_output(struct hid_device *hdev, u8 *data, size_t count,
+ unsigned char report_type)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmemdup(data, count, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ if (report_type == HID_OUTPUT_REPORT)
+ ret = hid_hw_output_report(hdev, buf, count);
+ else
+ ret = hid_hw_raw_request(hdev, buf[0], buf, count, report_type,
+ HID_REQ_SET_REPORT);
+
+ kfree(buf);
+ return ret;
+}
+
+static int cp2112_wait(struct cp2112_device *dev, atomic_t *avail)
+{
+ int ret = 0;
+
+ /* We have sent either a CP2112_TRANSFER_STATUS_REQUEST or a
+ * CP2112_DATA_READ_FORCE_SEND and we are waiting for the response to
+ * come in cp2112_raw_event or timeout. There will only be one of these
+ * in flight at any one time. The timeout is extremely large and is a
+ * last resort if the CP2112 has died. If we do timeout we don't expect
+ * to receive the response which would cause data races, it's not like
+ * we can do anything about it anyway.
+ */
+ ret = wait_event_interruptible_timeout(dev->wait,
+ atomic_read(avail), msecs_to_jiffies(RESPONSE_TIMEOUT));
+ if (-ERESTARTSYS == ret)
+ return ret;
+ if (!ret)
+ return -ETIMEDOUT;
+
+ atomic_set(avail, 0);
+ return 0;
+}
+
+static int cp2112_xfer_status(struct cp2112_device *dev)
+{
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[2];
+ int ret;
+
+ buf[0] = CP2112_TRANSFER_STATUS_REQUEST;
+ buf[1] = 0x01;
+ atomic_set(&dev->xfer_avail, 0);
+
+ ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);
+ if (ret < 0) {
+ hid_warn(hdev, "Error requesting status: %d\n", ret);
+ return ret;
+ }
+
+ ret = cp2112_wait(dev, &dev->xfer_avail);
+ if (ret)
+ return ret;
+
+ return dev->xfer_status;
+}
+
+static int cp2112_read(struct cp2112_device *dev, u8 *data, size_t size)
+{
+ struct hid_device *hdev = dev->hdev;
+ struct cp2112_force_read_report report;
+ int ret;
+
+ report.report = CP2112_DATA_READ_FORCE_SEND;
+ report.length = cpu_to_be16(size);
+
+ atomic_set(&dev->read_avail, 0);
+
+ ret = cp2112_hid_output(hdev, &report.report, sizeof(report),
+ HID_OUTPUT_REPORT);
+ if (ret < 0) {
+ hid_warn(hdev, "Error requesting data: %d\n", ret);
+ return ret;
+ }
+
+ ret = cp2112_wait(dev, &dev->read_avail);
+ if (ret)
+ return ret;
+
+ hid_dbg(hdev, "read %d of %zd bytes requested\n",
+ dev->read_length, size);
+
+ if (size > dev->read_length)
+ size = dev->read_length;
+
+ memcpy(data, dev->read_data, size);
+ return dev->read_length;
+}
+
+static int cp2112_read_req(void *buf, u8 slave_address, u16 length)
+{
+ struct cp2112_read_req_report *report = buf;
+
+ if (length < 1 || length > 512)
+ return -EINVAL;
+
+ report->report = CP2112_DATA_READ_REQUEST;
+ report->slave_address = slave_address << 1;
+ report->length = cpu_to_be16(length);
+ return sizeof(*report);
+}
+
+static int cp2112_write_read_req(void *buf, u8 slave_address, u16 length,
+ u8 command, u8 *data, u8 data_length)
+{
+ struct cp2112_write_read_req_report *report = buf;
+
+ if (length < 1 || length > 512
+ || data_length > sizeof(report->target_address) - 1)
+ return -EINVAL;
+
+ report->report = CP2112_DATA_WRITE_READ_REQUEST;
+ report->slave_address = slave_address << 1;
+ report->length = cpu_to_be16(length);
+ report->target_address_length = data_length + 1;
+ report->target_address[0] = command;
+ memcpy(&report->target_address[1], data, data_length);
+ return data_length + 6;
+}
+
+static int cp2112_write_req(void *buf, u8 slave_address, u8 command, u8 *data,
+ u8 data_length)
+{
+ struct cp2112_write_req_report *report = buf;
+
+ if (data_length > sizeof(report->data) - 1)
+ return -EINVAL;
+
+ report->report = CP2112_DATA_WRITE_REQUEST;
+ report->slave_address = slave_address << 1;
+ report->length = data_length + 1;
+ report->data[0] = command;
+ memcpy(&report->data[1], data, data_length);
+ return data_length + 4;
+}
+
+static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
+ unsigned short flags, char read_write, u8 command,
+ int size, union i2c_smbus_data *data)
+{
+ struct cp2112_device *dev = (struct cp2112_device *)adap->algo_data;
+ struct hid_device *hdev = dev->hdev;
+ u8 buf[64];
+ __be16 word;
+ ssize_t count;
+ size_t read_length = 0;
+ unsigned int retries;
+ int ret;
+
+ hid_dbg(hdev, "%s addr 0x%x flags 0x%x cmd 0x%x size %d\n",
+ read_write == I2C_SMBUS_WRITE ? "write" : "read",
+ addr, flags, command, size);
+
+ switch (size) {
+ case I2C_SMBUS_BYTE:
+ read_length = 1;
+
+ if (I2C_SMBUS_READ == read_write)
+ count = cp2112_read_req(buf, addr, read_length);
+ else
+ count = cp2112_write_req(buf, addr, data->byte, NULL,
+ 0);
+ break;
+ case I2C_SMBUS_BYTE_DATA:
+ read_length = 1;
+
+ if (I2C_SMBUS_READ == read_write)
+ count = cp2112_write_read_req(buf, addr, read_length,
+ command, NULL, 0);
+ else
+ count = cp2112_write_req(buf, addr, command,
+ &data->byte, 1);
+ break;
+ case I2C_SMBUS_WORD_DATA:
+ read_length = 2;
+ word = cpu_to_be16(data->word);
+
+ if (I2C_SMBUS_READ == read_write)
+ count = cp2112_write_read_req(buf, addr, read_length,
+ command, NULL, 0);
+ else
+ count = cp2112_write_req(buf, addr, command,
+ (u8 *)&word, 2);
+ break;
+ case I2C_SMBUS_PROC_CALL:
+ size = I2C_SMBUS_WORD_DATA;
+ read_write = I2C_SMBUS_READ;
+ read_length = 2;
+ word = cpu_to_be16(data->word);
+
+ count = cp2112_write_read_req(buf, addr, read_length, command,
+ (u8 *)&word, 2);
+ break;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ size = I2C_SMBUS_BLOCK_DATA;
+ /* fallthrough */
+ case I2C_SMBUS_BLOCK_DATA:
+ if (I2C_SMBUS_READ == read_write) {
+ count = cp2112_write_read_req(buf, addr,
+ I2C_SMBUS_BLOCK_MAX,
+ command, NULL, 0);
+ } else {
+ count = cp2112_write_req(buf, addr, command,
+ data->block,
+ data->block[0] + 1);
+ }
+ break;
+ case I2C_SMBUS_BLOCK_PROC_CALL:
+ size = I2C_SMBUS_BLOCK_DATA;
+ read_write = I2C_SMBUS_READ;
+
+ count = cp2112_write_read_req(buf, addr, I2C_SMBUS_BLOCK_MAX,
+ command, data->block,
+ data->block[0] + 1);
+ break;
+ default:
+ hid_warn(hdev, "Unsupported transaction %d\n", size);
+ return -EOPNOTSUPP;
+ }
+
+ if (count < 0)
+ return count;
+
+ ret = hid_hw_power(hdev, PM_HINT_FULLON);
+ if (ret < 0) {
+ hid_err(hdev, "power management error: %d\n", ret);
+ return ret;
+ }
+
+ ret = cp2112_hid_output(hdev, buf, count, HID_OUTPUT_REPORT);
+ if (ret < 0) {
+ hid_warn(hdev, "Error starting transaction: %d\n", ret);
+ goto power_normal;
+ }
+
+ for (retries = 0; retries < XFER_STATUS_RETRIES; ++retries) {
+ ret = cp2112_xfer_status(dev);
+ if (-EBUSY == ret)
+ continue;
+ if (ret < 0)
+ goto power_normal;
+ break;
+ }
+
+ if (XFER_STATUS_RETRIES <= retries) {
+ hid_warn(hdev, "Transfer timed out, cancelling.\n");
+ buf[0] = CP2112_CANCEL_TRANSFER;
+ buf[1] = 0x01;
+
+ ret = cp2112_hid_output(hdev, buf, 2, HID_OUTPUT_REPORT);
+ if (ret < 0)
+ hid_warn(hdev, "Error cancelling transaction: %d\n",
+ ret);
+
+ ret = -ETIMEDOUT;
+ goto power_normal;
+ }
+
+ if (I2C_SMBUS_WRITE == read_write) {
+ ret = 0;
+ goto power_normal;
+ }
+
+ if (I2C_SMBUS_BLOCK_DATA == size)
+ read_length = ret;
+
+ ret = cp2112_read(dev, buf, read_length);
+ if (ret < 0)
+ goto power_normal;
+ if (ret != read_length) {
+ hid_warn(hdev, "short read: %d < %zd\n", ret, read_length);
+ ret = -EIO;
+ goto power_normal;
+ }
+
+ switch (size) {
+ case I2C_SMBUS_BYTE:
+ case I2C_SMBUS_BYTE_DATA:
+ data->byte = buf[0];
+ break;
+ case I2C_SMBUS_WORD_DATA:
+ data->word = be16_to_cpup((__be16 *)buf);
+ break;
+ case I2C_SMBUS_BLOCK_DATA:
+ if (read_length > I2C_SMBUS_BLOCK_MAX) {
+ ret = -EPROTO;
+ goto power_normal;
+ }
+
+ memcpy(data->block, buf, read_length);
+ break;
+ }
+
+ ret = 0;
+power_normal:
+ hid_hw_power(hdev, PM_HINT_NORMAL);
+ hid_dbg(hdev, "transfer finished: %d\n", ret);
+ return ret;
+}
+
+static u32 cp2112_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_SMBUS_BYTE |
+ I2C_FUNC_SMBUS_BYTE_DATA |
+ I2C_FUNC_SMBUS_WORD_DATA |
+ I2C_FUNC_SMBUS_BLOCK_DATA |
+ I2C_FUNC_SMBUS_I2C_BLOCK |
+ I2C_FUNC_SMBUS_PROC_CALL |
+ I2C_FUNC_SMBUS_BLOCK_PROC_CALL;
+}
+
+static const struct i2c_algorithm smbus_algorithm = {
+ .smbus_xfer = cp2112_xfer,
+ .functionality = cp2112_functionality,
+};
+
+static int cp2112_get_usb_config(struct hid_device *hdev,
+ struct cp2112_usb_config_report *cfg)
+{
+ int ret;
+
+ ret = cp2112_hid_get(hdev, CP2112_USB_CONFIG, (u8 *)cfg, sizeof(*cfg),
+ HID_FEATURE_REPORT);
+ if (ret != sizeof(*cfg)) {
+ hid_err(hdev, "error reading usb config: %d\n", ret);
+ if (ret < 0)
+ return ret;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int cp2112_set_usb_config(struct hid_device *hdev,
+ struct cp2112_usb_config_report *cfg)
+{
+ int ret;
+
+ BUG_ON(cfg->report != CP2112_USB_CONFIG);
+
+ ret = cp2112_hid_output(hdev, (u8 *)cfg, sizeof(*cfg),
+ HID_FEATURE_REPORT);
+ if (ret != sizeof(*cfg)) {
+ hid_err(hdev, "error writing usb config: %d\n", ret);
+ if (ret < 0)
+ return ret;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void chmod_sysfs_attrs(struct hid_device *hdev);
+
+#define CP2112_CONFIG_ATTR(name, store, format, ...) \
+static ssize_t name##_store(struct device *kdev, \
+ struct device_attribute *attr, const char *buf, \
+ size_t count) \
+{ \
+ struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
+ struct cp2112_usb_config_report cfg; \
+ int ret = cp2112_get_usb_config(hdev, &cfg); \
+ if (ret) \
+ return ret; \
+ store; \
+ ret = cp2112_set_usb_config(hdev, &cfg); \
+ if (ret) \
+ return ret; \
+ chmod_sysfs_attrs(hdev); \
+ return count; \
+} \
+static ssize_t name##_show(struct device *kdev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct hid_device *hdev = container_of(kdev, struct hid_device, dev); \
+ struct cp2112_usb_config_report cfg; \
+ int ret = cp2112_get_usb_config(hdev, &cfg); \
+ if (ret) \
+ return ret; \
+ return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \
+} \
+static DEVICE_ATTR_RW(name);
+
+CP2112_CONFIG_ATTR(vendor_id, ({
+ u16 vid;
+
+ if (sscanf(buf, "%hi", &vid) != 1)
+ return -EINVAL;
+
+ cfg.vid = cpu_to_le16(vid);
+ cfg.mask = 0x01;
+}), "0x%04x\n", le16_to_cpu(cfg.vid));
+
+CP2112_CONFIG_ATTR(product_id, ({
+ u16 pid;
+
+ if (sscanf(buf, "%hi", &pid) != 1)
+ return -EINVAL;
+
+ cfg.pid = cpu_to_le16(pid);
+ cfg.mask = 0x02;
+}), "0x%04x\n", le16_to_cpu(cfg.pid));
+
+CP2112_CONFIG_ATTR(max_power, ({
+ int mA;
+
+ if (sscanf(buf, "%i", &mA) != 1)
+ return -EINVAL;
+
+ cfg.max_power = (mA + 1) / 2;
+ cfg.mask = 0x04;
+}), "%u mA\n", cfg.max_power * 2);
+
+CP2112_CONFIG_ATTR(power_mode, ({
+ if (sscanf(buf, "%hhi", &cfg.power_mode) != 1)
+ return -EINVAL;
+
+ cfg.mask = 0x08;
+}), "%u\n", cfg.power_mode);
+
+CP2112_CONFIG_ATTR(release_version, ({
+ if (sscanf(buf, "%hhi.%hhi", &cfg.release_major, &cfg.release_minor)
+ != 2)
+ return -EINVAL;
+
+ cfg.mask = 0x10;
+}), "%u.%u\n", cfg.release_major, cfg.release_minor);
+
+#undef CP2112_CONFIG_ATTR
+
+struct cp2112_pstring_attribute {
+ struct device_attribute attr;
+ unsigned char report;
+};
+
+static ssize_t pstr_store(struct device *kdev,
+ struct device_attribute *kattr, const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = container_of(kdev, struct hid_device, dev);
+ struct cp2112_pstring_attribute *attr =
+ container_of(kattr, struct cp2112_pstring_attribute, attr);
+ struct cp2112_string_report report;
+ int ret;
+
+ memset(&report, 0, sizeof(report));
+
+ ret = utf8s_to_utf16s(buf, count, UTF16_LITTLE_ENDIAN,
+ report.string, ARRAY_SIZE(report.string));
+ report.report = attr->report;
+ report.length = ret * sizeof(report.string[0]) + 2;
+ report.type = USB_DT_STRING;
+
+ ret = cp2112_hid_output(hdev, &report.report, report.length + 1,
+ HID_FEATURE_REPORT);
+ if (ret != report.length + 1) {
+ hid_err(hdev, "error writing %s string: %d\n", kattr->attr.name,
+ ret);
+ if (ret < 0)
+ return ret;
+ return -EIO;
+ }
+
+ chmod_sysfs_attrs(hdev);
+ return count;
+}
+
+static ssize_t pstr_show(struct device *kdev,
+ struct device_attribute *kattr, char *buf)
+{
+ struct hid_device *hdev = container_of(kdev, struct hid_device, dev);
+ struct cp2112_pstring_attribute *attr =
+ container_of(kattr, struct cp2112_pstring_attribute, attr);
+ struct cp2112_string_report report;
+ u8 length;
+ int ret;
+
+ ret = cp2112_hid_get(hdev, attr->report, &report.report,
+ sizeof(report) - 1, HID_FEATURE_REPORT);
+ if (ret < 3) {
+ hid_err(hdev, "error reading %s string: %d\n", kattr->attr.name,
+ ret);
+ if (ret < 0)
+ return ret;
+ return -EIO;
+ }
+
+ if (report.length < 2) {
+ hid_err(hdev, "invalid %s string length: %d\n",
+ kattr->attr.name, report.length);
+ return -EIO;
+ }
+
+ length = report.length > ret - 1 ? ret - 1 : report.length;
+ length = (length - 2) / sizeof(report.string[0]);
+ ret = utf16s_to_utf8s(report.string, length, UTF16_LITTLE_ENDIAN, buf,
+ PAGE_SIZE - 1);
+ buf[ret++] = '\n';
+ return ret;
+}
+
+#define CP2112_PSTR_ATTR(name, _report) \
+static struct cp2112_pstring_attribute dev_attr_##name = { \
+ .attr = __ATTR(name, (S_IWUSR | S_IRUGO), pstr_show, pstr_store), \
+ .report = _report, \
+};
+
+CP2112_PSTR_ATTR(manufacturer, CP2112_MANUFACTURER_STRING);
+CP2112_PSTR_ATTR(product, CP2112_PRODUCT_STRING);
+CP2112_PSTR_ATTR(serial, CP2112_SERIAL_STRING);
+
+#undef CP2112_PSTR_ATTR
+
+static const struct attribute_group cp2112_attr_group = {
+ .attrs = (struct attribute *[]){
+ &dev_attr_vendor_id.attr,
+ &dev_attr_product_id.attr,
+ &dev_attr_max_power.attr,
+ &dev_attr_power_mode.attr,
+ &dev_attr_release_version.attr,
+ &dev_attr_manufacturer.attr.attr,
+ &dev_attr_product.attr.attr,
+ &dev_attr_serial.attr.attr,
+ NULL
+ }
+};
+
+/* Chmoding our sysfs attributes is simply a way to expose which fields in the
+ * PROM have already been programmed. We do not depend on this preventing
+ * writing to these attributes since the CP2112 will simply ignore writes to
+ * already-programmed fields. This is why there is no sense in fixing this
+ * racy behaviour.
+ */
+static void chmod_sysfs_attrs(struct hid_device *hdev)
+{
+ struct attribute **attr;
+ u8 buf[2];
+ int ret;
+
+ ret = cp2112_hid_get(hdev, CP2112_LOCK_BYTE, buf, sizeof(buf),
+ HID_FEATURE_REPORT);
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "error reading lock byte: %d\n", ret);
+ return;
+ }
+
+ for (attr = cp2112_attr_group.attrs; *attr; ++attr) {
+ umode_t mode = (buf[1] & 1) ? S_IWUSR | S_IRUGO : S_IRUGO;
+ ret = sysfs_chmod_file(&hdev->dev.kobj, *attr, mode);
+ if (ret < 0)
+ hid_err(hdev, "error chmoding sysfs file %s\n",
+ (*attr)->name);
+ buf[1] >>= 1;
+ }
+}
+
+static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ struct cp2112_device *dev;
+ u8 buf[3];
+ struct cp2112_smbus_config_report config;
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "parse failed\n");
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+ if (ret) {
+ hid_err(hdev, "hw start failed\n");
+ return ret;
+ }
+
+ ret = hid_hw_open(hdev);
+ if (ret) {
+ hid_err(hdev, "hw open failed\n");
+ goto err_hid_stop;
+ }
+
+ ret = hid_hw_power(hdev, PM_HINT_FULLON);
+ if (ret < 0) {
+ hid_err(hdev, "power management error: %d\n", ret);
+ goto err_hid_close;
+ }
+
+ ret = cp2112_hid_get(hdev, CP2112_GET_VERSION_INFO, buf, sizeof(buf),
+ HID_FEATURE_REPORT);
+ if (ret != sizeof(buf)) {
+ hid_err(hdev, "error requesting version\n");
+ if (ret >= 0)
+ ret = -EIO;
+ goto err_power_normal;
+ }
+
+ hid_info(hdev, "Part Number: 0x%02X Device Version: 0x%02X\n",
+ buf[1], buf[2]);
+
+ ret = cp2112_hid_get(hdev, CP2112_SMBUS_CONFIG, (u8 *)&config,
+ sizeof(config), HID_FEATURE_REPORT);
+ if (ret != sizeof(config)) {
+ hid_err(hdev, "error requesting SMBus config\n");
+ if (ret >= 0)
+ ret = -EIO;
+ goto err_power_normal;
+ }
+
+ config.retry_time = cpu_to_be16(1);
+
+ ret = cp2112_hid_output(hdev, (u8 *)&config, sizeof(config),
+ HID_FEATURE_REPORT);
+ if (ret != sizeof(config)) {
+ hid_err(hdev, "error setting SMBus config\n");
+ if (ret >= 0)
+ ret = -EIO;
+ goto err_power_normal;
+ }
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto err_power_normal;
+ }
+
+ hid_set_drvdata(hdev, (void *)dev);
+ dev->hdev = hdev;
+ dev->adap.owner = THIS_MODULE;
+ dev->adap.class = I2C_CLASS_HWMON;
+ dev->adap.algo = &smbus_algorithm;
+ dev->adap.algo_data = dev;
+ dev->adap.dev.parent = &hdev->dev;
+ snprintf(dev->adap.name, sizeof(dev->adap.name),
+ "CP2112 SMBus Bridge on hiddev%d", hdev->minor);
+ init_waitqueue_head(&dev->wait);
+
+ hid_device_io_start(hdev);
+ ret = i2c_add_adapter(&dev->adap);
+ hid_device_io_stop(hdev);
+
+ if (ret) {
+ hid_err(hdev, "error registering i2c adapter\n");
+ goto err_free_dev;
+ }
+
+ hid_dbg(hdev, "adapter registered\n");
+
+ dev->gc.label = "cp2112_gpio";
+ dev->gc.direction_input = cp2112_gpio_direction_input;
+ dev->gc.direction_output = cp2112_gpio_direction_output;
+ dev->gc.set = cp2112_gpio_set;
+ dev->gc.get = cp2112_gpio_get;
+ dev->gc.base = -1;
+ dev->gc.ngpio = 8;
+ dev->gc.can_sleep = 1;
+ dev->gc.dev = &hdev->dev;
+
+ ret = gpiochip_add(&dev->gc);
+ if (ret < 0) {
+ hid_err(hdev, "error registering gpio chip\n");
+ goto err_free_i2c;
+ }
+
+ ret = sysfs_create_group(&hdev->dev.kobj, &cp2112_attr_group);
+ if (ret < 0) {
+ hid_err(hdev, "error creating sysfs attrs\n");
+ goto err_gpiochip_remove;
+ }
+
+ chmod_sysfs_attrs(hdev);
+ hid_hw_power(hdev, PM_HINT_NORMAL);
+
+ return ret;
+
+err_gpiochip_remove:
+ if (gpiochip_remove(&dev->gc) < 0)
+ hid_err(hdev, "error removing gpio chip\n");
+err_free_i2c:
+ i2c_del_adapter(&dev->adap);
+err_free_dev:
+ kfree(dev);
+err_power_normal:
+ hid_hw_power(hdev, PM_HINT_NORMAL);
+err_hid_close:
+ hid_hw_close(hdev);
+err_hid_stop:
+ hid_hw_stop(hdev);
+ return ret;
+}
+
+static void cp2112_remove(struct hid_device *hdev)
+{
+ struct cp2112_device *dev = hid_get_drvdata(hdev);
+
+ sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group);
+ if (gpiochip_remove(&dev->gc))
+ hid_err(hdev, "unable to remove gpio chip\n");
+ i2c_del_adapter(&dev->adap);
+ /* i2c_del_adapter has finished removing all i2c devices from our
+ * adapter. Well behaved devices should no longer call our cp2112_xfer
+ * and should have waited for any pending calls to finish. It has also
+ * waited for device_unregister(&adap->dev) to complete. Therefore we
+ * can safely free our struct cp2112_device.
+ */
+ hid_hw_close(hdev);
+ hid_hw_stop(hdev);
+ kfree(dev);
+}
+
+static int cp2112_raw_event(struct hid_device *hdev, struct hid_report *report,
+ u8 *data, int size)
+{
+ struct cp2112_device *dev = hid_get_drvdata(hdev);
+ struct cp2112_xfer_status_report *xfer = (void *)data;
+
+ switch (data[0]) {
+ case CP2112_TRANSFER_STATUS_RESPONSE:
+ hid_dbg(hdev, "xfer status: %02x %02x %04x %04x\n",
+ xfer->status0, xfer->status1,
+ be16_to_cpu(xfer->retries), be16_to_cpu(xfer->length));
+
+ switch (xfer->status0) {
+ case STATUS0_IDLE:
+ dev->xfer_status = -EAGAIN;
+ break;
+ case STATUS0_BUSY:
+ dev->xfer_status = -EBUSY;
+ break;
+ case STATUS0_COMPLETE:
+ dev->xfer_status = be16_to_cpu(xfer->length);
+ break;
+ case STATUS0_ERROR:
+ switch (xfer->status1) {
+ case STATUS1_TIMEOUT_NACK:
+ case STATUS1_TIMEOUT_BUS:
+ dev->xfer_status = -ETIMEDOUT;
+ break;
+ default:
+ dev->xfer_status = -EIO;
+ break;
+ }
+ break;
+ default:
+ dev->xfer_status = -EINVAL;
+ break;
+ }
+
+ atomic_set(&dev->xfer_avail, 1);
+ break;
+ case CP2112_DATA_READ_RESPONSE:
+ hid_dbg(hdev, "read response: %02x %02x\n", data[1], data[2]);
+
+ dev->read_length = data[2];
+ if (dev->read_length > sizeof(dev->read_data))
+ dev->read_length = sizeof(dev->read_data);
+
+ memcpy(dev->read_data, &data[3], dev->read_length);
+ atomic_set(&dev->read_avail, 1);
+ break;
+ default:
+ hid_err(hdev, "unknown report\n");
+
+ return 0;
+ }
+
+ wake_up_interruptible(&dev->wait);
+ return 1;
+}
+
+static struct hid_driver cp2112_driver = {
+ .name = "cp2112",
+ .id_table = cp2112_devices,
+ .probe = cp2112_probe,
+ .remove = cp2112_remove,
+ .raw_event = cp2112_raw_event,
+};
+
+module_hid_driver(cp2112_driver);
+MODULE_DESCRIPTION("Silicon Labs HID USB to SMBus master bridge");
+MODULE_AUTHOR("David Barksdale <dbarksdale@uplogix.com>");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 8fae6d1414cc..f52dbcb7133b 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -157,6 +157,7 @@ struct mousevsc_dev {
u32 report_desc_size;
struct hv_input_dev_info hid_dev_info;
struct hid_device *hid_device;
+ u8 input_buf[HID_MAX_BUFFER_SIZE];
};
@@ -256,6 +257,7 @@ static void mousevsc_on_receive(struct hv_device *device,
struct synthhid_msg *hid_msg;
struct mousevsc_dev *input_dev = hv_get_drvdata(device);
struct synthhid_input_report *input_report;
+ size_t len;
pipe_msg = (struct pipe_prt_msg *)((unsigned long)packet +
(packet->offset8 << 3));
@@ -300,9 +302,12 @@ static void mousevsc_on_receive(struct hv_device *device,
(struct synthhid_input_report *)pipe_msg->data;
if (!input_dev->init_complete)
break;
- hid_input_report(input_dev->hid_device,
- HID_INPUT_REPORT, input_report->buffer,
- input_report->header.size, 1);
+
+ len = min(input_report->header.size,
+ (u32)sizeof(input_dev->input_buf));
+ memcpy(input_dev->input_buf, input_report->buffer, len);
+ hid_input_report(input_dev->hid_device, HID_INPUT_REPORT,
+ input_dev->input_buf, len, 1);
break;
default:
pr_err("unsupported hid msg type - type %d len %d",
@@ -455,12 +460,22 @@ static void mousevsc_hid_stop(struct hid_device *hid)
{
}
+static int mousevsc_hid_raw_request(struct hid_device *hid,
+ unsigned char report_num,
+ __u8 *buf, size_t len,
+ unsigned char rtype,
+ int reqtype)
+{
+ return 0;
+}
+
static struct hid_ll_driver mousevsc_ll_driver = {
.parse = mousevsc_hid_parse,
.open = mousevsc_hid_open,
.close = mousevsc_hid_close,
.start = mousevsc_hid_start,
.stop = mousevsc_hid_stop,
+ .raw_request = mousevsc_hid_raw_request,
};
static struct hid_driver mousevsc_hid_driver;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 92b40c09d917..5c34e658fd59 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -135,6 +135,7 @@
#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS 0x023b
#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI 0x0255
#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO 0x0256
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS 0x0257
#define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290
#define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291
#define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292
@@ -240,6 +241,8 @@
#define USB_VENDOR_ID_CYGNAL 0x10c4
#define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a
+#define USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH 0x81b9
+#define USB_DEVICE_ID_CYGNAL_CP2112 0xea90
#define USB_VENDOR_ID_CYPRESS 0x04b4
#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
@@ -449,6 +452,9 @@
#define USB_VENDOR_ID_INTEL_1 0x8087
#define USB_DEVICE_ID_INTEL_HID_SENSOR 0x09fa
+#define USB_VENDOR_ID_STM_0 0x0483
+#define USB_DEVICE_ID_STM_HID_SENSOR 0x91d1
+
#define USB_VENDOR_ID_ION 0x15e4
#define USB_DEVICE_ID_ICADE 0x0132
@@ -617,6 +623,8 @@
#define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713
#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730
#define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c
+#define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7
+#define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9
#define USB_VENDOR_ID_MOJO 0x8282
#define USB_DEVICE_ID_RETRO_ADAPTER 0x3201
@@ -642,6 +650,7 @@
#define USB_VENDOR_ID_NEXIO 0x1870
#define USB_DEVICE_ID_NEXIO_MULTITOUCH_420 0x010d
+#define USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750 0x0110
#define USB_VENDOR_ID_NEXTWINDOW 0x1926
#define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index d50e7313b171..333190f771f5 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -350,9 +350,9 @@ static int hidinput_get_battery_property(struct power_supply *psy,
ret = -ENOMEM;
break;
}
- ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
- buf, 2,
- dev->battery_report_type);
+ ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2,
+ dev->battery_report_type,
+ HID_REQ_GET_REPORT);
if (ret != 2) {
ret = -ENODATA;
@@ -1150,7 +1150,7 @@ static void hidinput_led_worker(struct work_struct *work)
led_work);
struct hid_field *field;
struct hid_report *report;
- int len;
+ int len, ret;
__u8 *buf;
field = hidinput_get_led_field(hid);
@@ -1178,13 +1178,16 @@ static void hidinput_led_worker(struct work_struct *work)
/* fall back to generic raw-output-report */
len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
- buf = kmalloc(len, GFP_KERNEL);
+ buf = hid_alloc_report_buf(report, GFP_KERNEL);
if (!buf)
return;
hid_output_report(report, buf);
/* synchronous output report */
- hid->hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT);
+ ret = hid_hw_output_report(hid, buf, len);
+ if (ret == -ENOSYS)
+ hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT,
+ HID_REQ_SET_REPORT);
kfree(buf);
}
@@ -1263,10 +1266,7 @@ static struct hid_input *hidinput_allocate(struct hid_device *hid)
}
input_set_drvdata(input_dev, hid);
- if (hid->ll_driver->hidinput_input_event)
- input_dev->event = hid->ll_driver->hidinput_input_event;
- else if (hid->ll_driver->request || hid->hid_output_raw_report)
- input_dev->event = hidinput_input_event;
+ input_dev->event = hidinput_input_event;
input_dev->open = hidinput_open;
input_dev->close = hidinput_close;
input_dev->setkeycode = hidinput_setkeycode;
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 9fe9d4ac3114..a976f48263f6 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -692,7 +692,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret >= 0) {
/* insert a little delay of 10 jiffies ~ 40ms */
@@ -704,7 +705,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
buf[1] = 0xB2;
get_random_bytes(&buf[2], 2);
- ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
}
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index befe0e336471..24883b4d1a49 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -43,6 +43,7 @@
#define G25_REV_MIN 0x22
#define G27_REV_MAJ 0x12
#define G27_REV_MIN 0x38
+#define G27_2_REV_MIN 0x39
#define to_hid_device(pdev) container_of(pdev, struct hid_device, dev)
@@ -130,6 +131,7 @@ static const struct lg4ff_usb_revision lg4ff_revs[] = {
{DFP_REV_MAJ, DFP_REV_MIN, &native_dfp}, /* Driving Force Pro */
{G25_REV_MAJ, G25_REV_MIN, &native_g25}, /* G25 */
{G27_REV_MAJ, G27_REV_MIN, &native_g27}, /* G27 */
+ {G27_REV_MAJ, G27_2_REV_MIN, &native_g27}, /* G27 v2 */
};
/* Recalculates X axis value accordingly to currently selected range */
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index f45279c3b11a..486dbde2ba2d 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -44,14 +44,6 @@ static const char kbd_descriptor[] = {
0x19, 0xE0, /* USAGE_MINIMUM (Left Control) */
0x29, 0xE7, /* USAGE_MAXIMUM (Right GUI) */
0x81, 0x02, /* INPUT (Data,Var,Abs) */
- 0x95, 0x05, /* REPORT COUNT (5) */
- 0x05, 0x08, /* USAGE PAGE (LED page) */
- 0x19, 0x01, /* USAGE MINIMUM (1) */
- 0x29, 0x05, /* USAGE MAXIMUM (5) */
- 0x91, 0x02, /* OUTPUT (Data, Variable, Absolute) */
- 0x95, 0x01, /* REPORT COUNT (1) */
- 0x75, 0x03, /* REPORT SIZE (3) */
- 0x91, 0x01, /* OUTPUT (Constant) */
0x95, 0x06, /* REPORT_COUNT (6) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
@@ -60,6 +52,18 @@ static const char kbd_descriptor[] = {
0x19, 0x00, /* USAGE_MINIMUM (no event) */
0x2A, 0xFF, 0x00, /* USAGE_MAXIMUM (reserved) */
0x81, 0x00, /* INPUT (Data,Ary,Abs) */
+ 0x85, 0x0e, /* REPORT_ID (14) */
+ 0x05, 0x08, /* USAGE PAGE (LED page) */
+ 0x95, 0x05, /* REPORT COUNT (5) */
+ 0x75, 0x01, /* REPORT SIZE (1) */
+ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */
+ 0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
+ 0x19, 0x01, /* USAGE MINIMUM (1) */
+ 0x29, 0x05, /* USAGE MAXIMUM (5) */
+ 0x91, 0x02, /* OUTPUT (Data, Variable, Absolute) */
+ 0x95, 0x01, /* REPORT COUNT (1) */
+ 0x75, 0x03, /* REPORT SIZE (3) */
+ 0x91, 0x01, /* OUTPUT (Constant) */
0xC0
};
@@ -189,9 +193,6 @@ static const u8 hid_reportid_size_map[NUMBER_OF_HID_REPORTS] = {
static struct hid_ll_driver logi_dj_ll_driver;
-static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
- size_t count,
- unsigned char report_type);
static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,
@@ -258,7 +259,6 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,
}
dj_hiddev->ll_driver = &logi_dj_ll_driver;
- dj_hiddev->hid_output_raw_report = logi_dj_output_hidraw_report;
dj_hiddev->dev.parent = &djrcv_hdev->dev;
dj_hiddev->bus = BUS_USB;
@@ -540,14 +540,35 @@ static void logi_dj_ll_close(struct hid_device *hid)
dbg_hid("%s:%s\n", __func__, hid->phys);
}
-static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
- size_t count,
- unsigned char report_type)
+static int logi_dj_ll_raw_request(struct hid_device *hid,
+ unsigned char reportnum, __u8 *buf,
+ size_t count, unsigned char report_type,
+ int reqtype)
{
- /* Called by hid raw to send data */
- dbg_hid("%s\n", __func__);
+ struct dj_device *djdev = hid->driver_data;
+ struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev;
+ u8 *out_buf;
+ int ret;
- return 0;
+ if (buf[0] != REPORT_TYPE_LEDS)
+ return -EINVAL;
+
+ out_buf = kzalloc(DJREPORT_SHORT_LENGTH, GFP_ATOMIC);
+ if (!out_buf)
+ return -ENOMEM;
+
+ if (count < DJREPORT_SHORT_LENGTH - 2)
+ count = DJREPORT_SHORT_LENGTH - 2;
+
+ out_buf[0] = REPORT_ID_DJ_SHORT;
+ out_buf[1] = djdev->device_index;
+ memcpy(out_buf + 2, buf, count);
+
+ ret = hid_hw_raw_request(djrcv_dev->hdev, out_buf[0], out_buf,
+ DJREPORT_SHORT_LENGTH, report_type, reqtype);
+
+ kfree(out_buf);
+ return ret;
}
static void rdcat(char *rdesc, unsigned int *rsize, const char *data, unsigned int size)
@@ -613,58 +634,6 @@ static int logi_dj_ll_parse(struct hid_device *hid)
return retval;
}
-static int logi_dj_ll_input_event(struct input_dev *dev, unsigned int type,
- unsigned int code, int value)
-{
- /* Sent by the input layer to handle leds and Force Feedback */
- struct hid_device *dj_hiddev = input_get_drvdata(dev);
- struct dj_device *dj_dev = dj_hiddev->driver_data;
-
- struct dj_receiver_dev *djrcv_dev =
- dev_get_drvdata(dj_hiddev->dev.parent);
- struct hid_device *dj_rcv_hiddev = djrcv_dev->hdev;
- struct hid_report_enum *output_report_enum;
-
- struct hid_field *field;
- struct hid_report *report;
- unsigned char *data;
- int offset;
-
- dbg_hid("%s: %s, type:%d | code:%d | value:%d\n",
- __func__, dev->phys, type, code, value);
-
- if (type != EV_LED)
- return -1;
-
- offset = hidinput_find_field(dj_hiddev, type, code, &field);
-
- if (offset == -1) {
- dev_warn(&dev->dev, "event field not found\n");
- return -1;
- }
- hid_set_field(field, offset, value);
-
- data = hid_alloc_report_buf(field->report, GFP_ATOMIC);
- if (!data) {
- dev_warn(&dev->dev, "failed to allocate report buf memory\n");
- return -1;
- }
-
- hid_output_report(field->report, &data[0]);
-
- output_report_enum = &dj_rcv_hiddev->report_enum[HID_OUTPUT_REPORT];
- report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT];
- hid_set_field(report->field[0], 0, dj_dev->device_index);
- hid_set_field(report->field[0], 1, REPORT_TYPE_LEDS);
- hid_set_field(report->field[0], 2, data[1]);
-
- hid_hw_request(dj_rcv_hiddev, report, HID_REQ_SET_REPORT);
-
- kfree(data);
-
- return 0;
-}
-
static int logi_dj_ll_start(struct hid_device *hid)
{
dbg_hid("%s\n", __func__);
@@ -683,7 +652,7 @@ static struct hid_ll_driver logi_dj_ll_driver = {
.stop = logi_dj_ll_stop,
.open = logi_dj_ll_open,
.close = logi_dj_ll_close,
- .hidinput_input_event = logi_dj_ll_input_event,
+ .raw_request = logi_dj_ll_raw_request,
};
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 3b43d1cfa936..ecc2cbf300cc 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -538,8 +538,8 @@ static int magicmouse_probe(struct hid_device *hdev,
* but there seems to be no other way of switching the mode.
* Thus the super-ugly hacky success check below.
*/
- ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature),
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, feature[0], feature, sizeof(feature),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret != -EIO && ret != sizeof(feature)) {
hid_err(hdev, "unable to request touch data (%d)\n", ret);
goto err_stop_hw;
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index c6ef6eed3091..404a3a8a82f1 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -208,6 +208,10 @@ static const struct hid_device_id ms_devices[] = {
.driver_data = MS_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
.driver_data = MS_DUPLICATE_USAGES },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2),
+ .driver_data = 0 },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2),
+ .driver_data = 0 },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
.driver_data = MS_PRESENTER },
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f134d73beca1..221d503f1c24 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1166,6 +1166,11 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
USB_DEVICE_ID_MULTITOUCH_3200) },
+ /* FocalTech Panels */
+ { .driver_data = MT_CLS_SERIAL,
+ MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL,
+ USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) },
+
/* GeneralTouch panel */
{ .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 5ab93cb18b88..5182031f7b52 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -271,13 +271,12 @@ int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev,
spin_lock_irqsave(&data->lock, flags);
data->pending.status = true;
+ spin_unlock_irqrestore(&data->lock, flags);
report = sensor_hub_report(report_id, hsdev->hdev, HID_INPUT_REPORT);
- if (!report) {
- spin_unlock_irqrestore(&data->lock, flags);
+ if (!report)
goto err_free;
- }
+
hid_hw_request(hsdev->hdev, report, HID_REQ_GET_REPORT);
- spin_unlock_irqrestore(&data->lock, flags);
wait_for_completion_interruptible_timeout(&data->pending.ready, HZ*5);
switch (data->pending.raw_size) {
case 1:
@@ -703,6 +702,9 @@ static const struct hid_device_id sensor_hub_devices[] = {
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1,
USB_DEVICE_ID_INTEL_HID_SENSOR),
.driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
+ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_STM_0,
+ USB_DEVICE_ID_STM_HID_SENSOR),
+ .driver_data = HID_SENSOR_HUB_ENUM_QUIRK},
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID,
HID_ANY_ID) },
{ }
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 12354055d474..b3e82585309e 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -17,7 +17,8 @@
* any later version.
*/
-/* NOTE: in order for the Sony PS3 BD Remote Control to be found by
+/*
+ * NOTE: in order for the Sony PS3 BD Remote Control to be found by
* a Bluetooth host, the key combination Start+Enter has to be kept pressed
* for about 7 seconds with the Bluetooth Host Controller in discovering mode.
*
@@ -28,8 +29,11 @@
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/usb.h>
#include <linux/leds.h>
+#include <linux/power_supply.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/input/mt.h>
#include "hid-ids.h"
@@ -41,7 +45,13 @@
#define DUALSHOCK4_CONTROLLER_USB BIT(5)
#define DUALSHOCK4_CONTROLLER_BT BIT(6)
-#define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER_USB | BUZZ_CONTROLLER | DUALSHOCK4_CONTROLLER_USB)
+#define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
+#define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\
+ DUALSHOCK4_CONTROLLER_BT)
+#define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
+ DUALSHOCK4_CONTROLLER)
+#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER)
+#define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER)
#define MAX_LEDS 4
@@ -73,7 +83,8 @@ static const u8 sixaxis_rdesc_fixup2[] = {
0xb1, 0x02, 0xc0, 0xc0,
};
-/* The default descriptor doesn't provide mapping for the accelerometers
+/*
+ * The default descriptor doesn't provide mapping for the accelerometers
* or orientation sensors. This fixed descriptor maps the accelerometers
* to usage values 0x40, 0x41 and 0x42 and maps the orientation sensors
* to usage values 0x43, 0x44 and 0x45.
@@ -332,6 +343,217 @@ static u8 dualshock4_usb_rdesc[] = {
0xC0 /* End Collection */
};
+/*
+ * The default behavior of the Dualshock 4 is to send reports using report
+ * type 1 when running over Bluetooth. However, as soon as it receives a
+ * report of type 17 to set the LEDs or rumble it starts returning it's state
+ * in report 17 instead of 1. Since report 17 is undefined in the default HID
+ * descriptor the button and axis definitions must be moved to report 17 or
+ * the HID layer won't process the received input once a report is sent.
+ */
+static u8 dualshock4_bt_rdesc[] = {
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x05, /* Usage (Gamepad), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x01, /* Report ID (1), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x0A, /* Report Count (9), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x06, 0x04, 0xFF, /* Usage Page (FF04h), */
+ 0x85, 0x02, /* Report ID (2), */
+ 0x09, 0x24, /* Usage (24h), */
+ 0x95, 0x24, /* Report Count (36), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xA3, /* Report ID (163), */
+ 0x09, 0x25, /* Usage (25h), */
+ 0x95, 0x30, /* Report Count (48), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x05, /* Report ID (5), */
+ 0x09, 0x26, /* Usage (26h), */
+ 0x95, 0x28, /* Report Count (40), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x06, /* Report ID (6), */
+ 0x09, 0x27, /* Usage (27h), */
+ 0x95, 0x34, /* Report Count (52), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x07, /* Report ID (7), */
+ 0x09, 0x28, /* Usage (28h), */
+ 0x95, 0x30, /* Report Count (48), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x08, /* Report ID (8), */
+ 0x09, 0x29, /* Usage (29h), */
+ 0x95, 0x2F, /* Report Count (47), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x06, 0x03, 0xFF, /* Usage Page (FF03h), */
+ 0x85, 0x03, /* Report ID (3), */
+ 0x09, 0x21, /* Usage (21h), */
+ 0x95, 0x26, /* Report Count (38), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x04, /* Report ID (4), */
+ 0x09, 0x22, /* Usage (22h), */
+ 0x95, 0x2E, /* Report Count (46), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xF0, /* Report ID (240), */
+ 0x09, 0x47, /* Usage (47h), */
+ 0x95, 0x3F, /* Report Count (63), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xF1, /* Report ID (241), */
+ 0x09, 0x48, /* Usage (48h), */
+ 0x95, 0x3F, /* Report Count (63), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xF2, /* Report ID (242), */
+ 0x09, 0x49, /* Usage (49h), */
+ 0x95, 0x0F, /* Report Count (15), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x11, /* Report ID (17), */
+ 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+ 0x09, 0x20, /* Usage (20h), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x09, 0x32, /* Usage (Z), */
+ 0x09, 0x35, /* Usage (Rz), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x04, /* Report Count (4), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x39, /* Usage (Hat Switch), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x25, 0x07, /* Logical Maximum (7), */
+ 0x75, 0x04, /* Report Size (4), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x42, /* Input (Variable, Null State), */
+ 0x05, 0x09, /* Usage Page (Button), */
+ 0x19, 0x01, /* Usage Minimum (01h), */
+ 0x29, 0x0E, /* Usage Maximum (0Eh), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x95, 0x0E, /* Report Count (14), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x75, 0x06, /* Report Size (6), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x33, /* Usage (Rx), */
+ 0x09, 0x34, /* Usage (Ry), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+ 0x09, 0x20, /* Usage (20h), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x19, 0x40, /* Usage Minimum (40h), */
+ 0x29, 0x42, /* Usage Maximum (42h), */
+ 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */
+ 0x26, 0x00, 0x7F, /* Logical Maximum (32767), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x19, 0x43, /* Usage Minimum (43h), */
+ 0x29, 0x45, /* Usage Maximum (45h), */
+ 0x16, 0xFF, 0xBF, /* Logical Minimum (-16385), */
+ 0x26, 0x00, 0x40, /* Logical Maximum (16384), */
+ 0x95, 0x03, /* Report Count (3), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+ 0x09, 0x20, /* Usage (20h), */
+ 0x15, 0x00, /* Logical Minimum (0), */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x31, /* Report Count (51), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x21, /* Usage (21h), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x4D, /* Report Count (77), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x12, /* Report ID (18), */
+ 0x09, 0x22, /* Usage (22h), */
+ 0x95, 0x8D, /* Report Count (141), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x23, /* Usage (23h), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x13, /* Report ID (19), */
+ 0x09, 0x24, /* Usage (24h), */
+ 0x95, 0xCD, /* Report Count (205), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x25, /* Usage (25h), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x14, /* Report ID (20), */
+ 0x09, 0x26, /* Usage (26h), */
+ 0x96, 0x0D, 0x01, /* Report Count (269), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x27, /* Usage (27h), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x15, /* Report ID (21), */
+ 0x09, 0x28, /* Usage (28h), */
+ 0x96, 0x4D, 0x01, /* Report Count (333), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x29, /* Usage (29h), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x16, /* Report ID (22), */
+ 0x09, 0x2A, /* Usage (2Ah), */
+ 0x96, 0x8D, 0x01, /* Report Count (397), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x2B, /* Usage (2Bh), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x17, /* Report ID (23), */
+ 0x09, 0x2C, /* Usage (2Ch), */
+ 0x96, 0xCD, 0x01, /* Report Count (461), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x2D, /* Usage (2Dh), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x18, /* Report ID (24), */
+ 0x09, 0x2E, /* Usage (2Eh), */
+ 0x96, 0x0D, 0x02, /* Report Count (525), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x2F, /* Usage (2Fh), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x85, 0x19, /* Report ID (25), */
+ 0x09, 0x30, /* Usage (30h), */
+ 0x96, 0x22, 0x02, /* Report Count (546), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x09, 0x31, /* Usage (31h), */
+ 0x91, 0x02, /* Output (Variable), */
+ 0x06, 0x80, 0xFF, /* Usage Page (FF80h), */
+ 0x85, 0x82, /* Report ID (130), */
+ 0x09, 0x22, /* Usage (22h), */
+ 0x95, 0x3F, /* Report Count (63), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x83, /* Report ID (131), */
+ 0x09, 0x23, /* Usage (23h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x84, /* Report ID (132), */
+ 0x09, 0x24, /* Usage (24h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x90, /* Report ID (144), */
+ 0x09, 0x30, /* Usage (30h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x91, /* Report ID (145), */
+ 0x09, 0x31, /* Usage (31h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x92, /* Report ID (146), */
+ 0x09, 0x32, /* Usage (32h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0x93, /* Report ID (147), */
+ 0x09, 0x33, /* Usage (33h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xA0, /* Report ID (160), */
+ 0x09, 0x40, /* Usage (40h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0x85, 0xA4, /* Report ID (164), */
+ 0x09, 0x44, /* Usage (44h), */
+ 0xB1, 0x02, /* Feature (Variable), */
+ 0xC0 /* End Collection */
+};
+
static __u8 ps3remote_rdesc[] = {
0x05, 0x01, /* GUsagePage Generic Desktop */
0x09, 0x05, /* LUsage 0x05 [Game Pad] */
@@ -449,7 +671,8 @@ static const unsigned int ps3remote_keymap_remote_buttons[] = {
};
static const unsigned int buzz_keymap[] = {
- /* The controller has 4 remote buzzers, each with one LED and 5
+ /*
+ * The controller has 4 remote buzzers, each with one LED and 5
* buttons.
*
* We use the mapping chosen by the controller, which is:
@@ -487,18 +710,35 @@ static const unsigned int buzz_keymap[] = {
[20] = BTN_TRIGGER_HAPPY20,
};
+static enum power_supply_property sony_battery_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_SCOPE,
+ POWER_SUPPLY_PROP_STATUS,
+};
+
+static spinlock_t sony_dev_list_lock;
+static LIST_HEAD(sony_device_list);
+
struct sony_sc {
+ spinlock_t lock;
+ struct list_head list_node;
struct hid_device *hdev;
struct led_classdev *leds[MAX_LEDS];
- struct hid_report *output_report;
unsigned long quirks;
struct work_struct state_worker;
+ struct power_supply battery;
#ifdef CONFIG_SONY_FF
__u8 left;
__u8 right;
#endif
+ __u8 mac_address[6];
+ __u8 worker_initialized;
+ __u8 cable_state;
+ __u8 battery_charging;
+ __u8 battery_capacity;
__u8 led_state[MAX_LEDS];
__u8 led_count;
};
@@ -576,6 +816,10 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
hid_info(hdev, "Using modified Dualshock 4 report descriptor with gyroscope axes\n");
rdesc = dualshock4_usb_rdesc;
*rsize = sizeof(dualshock4_usb_rdesc);
+ } else if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && *rsize == 357) {
+ hid_info(hdev, "Using modified Dualshock 4 Bluetooth report descriptor\n");
+ rdesc = dualshock4_bt_rdesc;
+ *rsize = sizeof(dualshock4_bt_rdesc);
}
/* The HID descriptor exposed over BT has a trailing zero byte */
@@ -599,20 +843,127 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
return rdesc;
}
+static void sixaxis_parse_report(struct sony_sc *sc, __u8 *rd, int size)
+{
+ static const __u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
+ unsigned long flags;
+ __u8 cable_state, battery_capacity, battery_charging;
+
+ /*
+ * The sixaxis is charging if the battery value is 0xee
+ * and it is fully charged if the value is 0xef.
+ * It does not report the actual level while charging so it
+ * is set to 100% while charging is in progress.
+ */
+ if (rd[30] >= 0xee) {
+ battery_capacity = 100;
+ battery_charging = !(rd[30] & 0x01);
+ } else {
+ __u8 index = rd[30] <= 5 ? rd[30] : 5;
+ battery_capacity = sixaxis_battery_capacity[index];
+ battery_charging = 0;
+ }
+ cable_state = !((rd[31] >> 4) & 0x01);
+
+ spin_lock_irqsave(&sc->lock, flags);
+ sc->cable_state = cable_state;
+ sc->battery_capacity = battery_capacity;
+ sc->battery_charging = battery_charging;
+ spin_unlock_irqrestore(&sc->lock, flags);
+}
+
+static void dualshock4_parse_report(struct sony_sc *sc, __u8 *rd, int size)
+{
+ struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
+ struct hid_input, list);
+ struct input_dev *input_dev = hidinput->input;
+ unsigned long flags;
+ int n, offset;
+ __u8 cable_state, battery_capacity, battery_charging;
+
+ /*
+ * Battery and touchpad data starts at byte 30 in the USB report and
+ * 32 in Bluetooth report.
+ */
+ offset = (sc->quirks & DUALSHOCK4_CONTROLLER_USB) ? 30 : 32;
+
+ /*
+ * The lower 4 bits of byte 30 contain the battery level
+ * and the 5th bit contains the USB cable state.
+ */
+ cable_state = (rd[offset] >> 4) & 0x01;
+ battery_capacity = rd[offset] & 0x0F;
+
+ /*
+ * When a USB power source is connected the battery level ranges from
+ * 0 to 10, and when running on battery power it ranges from 0 to 9.
+ * A battery level above 10 when plugged in means charge completed.
+ */
+ if (!cable_state || battery_capacity > 10)
+ battery_charging = 0;
+ else
+ battery_charging = 1;
+
+ if (!cable_state)
+ battery_capacity++;
+ if (battery_capacity > 10)
+ battery_capacity = 10;
+
+ battery_capacity *= 10;
+
+ spin_lock_irqsave(&sc->lock, flags);
+ sc->cable_state = cable_state;
+ sc->battery_capacity = battery_capacity;
+ sc->battery_charging = battery_charging;
+ spin_unlock_irqrestore(&sc->lock, flags);
+
+ offset += 5;
+
+ /*
+ * The Dualshock 4 multi-touch trackpad data starts at offset 35 on USB
+ * and 37 on Bluetooth.
+ * The first 7 bits of the first byte is a counter and bit 8 is a touch
+ * indicator that is 0 when pressed and 1 when not pressed.
+ * The next 3 bytes are two 12 bit touch coordinates, X and Y.
+ * The data for the second touch is in the same format and immediatly
+ * follows the data for the first.
+ */
+ for (n = 0; n < 2; n++) {
+ __u16 x, y;
+
+ x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8);
+ y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);
+
+ input_mt_slot(input_dev, n);
+ input_mt_report_slot_state(input_dev, MT_TOOL_FINGER,
+ !(rd[offset] >> 7));
+ input_report_abs(input_dev, ABS_MT_POSITION_X, x);
+ input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
+
+ offset += 4;
+ }
+}
+
static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
__u8 *rd, int size)
{
struct sony_sc *sc = hid_get_drvdata(hdev);
- /* Sixaxis HID report has acclerometers/gyro with MSByte first, this
+ /*
+ * Sixaxis HID report has acclerometers/gyro with MSByte first, this
* has to be BYTE_SWAPPED before passing up to joystick interface
*/
- if ((sc->quirks & (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)) &&
- rd[0] == 0x01 && size == 49) {
+ if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
swap(rd[41], rd[42]);
swap(rd[43], rd[44]);
swap(rd[45], rd[46]);
swap(rd[47], rd[48]);
+
+ sixaxis_parse_report(sc, rd, size);
+ } else if (((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 &&
+ size == 64) || ((sc->quirks & DUALSHOCK4_CONTROLLER_BT)
+ && rd[0] == 0x11 && size == 78)) {
+ dualshock4_parse_report(sc, rd, size);
}
return 0;
@@ -655,45 +1006,6 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
}
/*
- * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP
- * like it should according to usbhid/hid-core.c::usbhid_output_raw_report()
- * so we need to override that forcing HID Output Reports on the Control EP.
- *
- * There is also another issue about HID Output Reports via USB, the Sixaxis
- * does not want the report_id as part of the data packet, so we have to
- * discard buf[0] when sending the actual control message, even for numbered
- * reports, humpf!
- */
-static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf,
- size_t count, unsigned char report_type)
-{
- struct usb_interface *intf = to_usb_interface(hid->dev.parent);
- struct usb_device *dev = interface_to_usbdev(intf);
- struct usb_host_interface *interface = intf->cur_altsetting;
- int report_id = buf[0];
- int ret;
-
- if (report_type == HID_OUTPUT_REPORT) {
- /* Don't send the Report ID */
- buf++;
- count--;
- }
-
- ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- HID_REQ_SET_REPORT,
- USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- ((report_type + 1) << 8) | report_id,
- interface->desc.bInterfaceNumber, buf, count,
- USB_CTRL_SET_TIMEOUT);
-
- /* Count also the Report ID, in case of an Output report. */
- if (ret > 0 && report_type == HID_OUTPUT_REPORT)
- ret++;
-
- return ret;
-}
-
-/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
* to "operational". Without this, the ps3 controller will not report any
* events.
@@ -706,7 +1018,8 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
if (!buf)
return -ENOMEM;
- ret = hdev->hid_get_raw_report(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
if (ret < 0)
hid_err(hdev, "can't set operational mode\n");
@@ -719,7 +1032,20 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
static int sixaxis_set_operational_bt(struct hid_device *hdev)
{
unsigned char buf[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 };
- return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
+ return hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+}
+
+/*
+ * Requesting feature report 0x02 in Bluetooth mode changes the state of the
+ * controller so that it sends full input reports of type 0x11.
+ */
+static int dualshock4_set_operational_bt(struct hid_device *hdev)
+{
+ __u8 buf[37] = { 0 };
+
+ return hid_hw_raw_request(hdev, 0x02, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
}
static void buzz_set_leds(struct hid_device *hdev, const __u8 *leds)
@@ -749,8 +1075,7 @@ static void sony_set_leds(struct hid_device *hdev, const __u8 *leds, int count)
if (drv_data->quirks & BUZZ_CONTROLLER && count == 4) {
buzz_set_leds(hdev, leds);
- } else if ((drv_data->quirks & SIXAXIS_CONTROLLER_USB) ||
- (drv_data->quirks & DUALSHOCK4_CONTROLLER_USB)) {
+ } else {
for (n = 0; n < count; n++)
drv_data->led_state[n] = leds[n];
schedule_work(&drv_data->state_worker);
@@ -790,7 +1115,6 @@ static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
struct sony_sc *drv_data;
int n;
- int on = 0;
drv_data = hid_get_drvdata(hdev);
if (!drv_data) {
@@ -799,13 +1123,11 @@ static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
}
for (n = 0; n < drv_data->led_count; n++) {
- if (led == drv_data->leds[n]) {
- on = !!(drv_data->led_state[n]);
- break;
- }
+ if (led == drv_data->leds[n])
+ return drv_data->led_state[n];
}
- return on ? LED_FULL : LED_OFF;
+ return LED_OFF;
}
static void sony_leds_remove(struct hid_device *hdev)
@@ -855,7 +1177,7 @@ static int sony_leds_init(struct hid_device *hdev)
/* Validate expected report characteristics. */
if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
return -ENODEV;
- } else if (drv_data->quirks & DUALSHOCK4_CONTROLLER_USB) {
+ } else if (drv_data->quirks & DUALSHOCK4_CONTROLLER) {
drv_data->led_count = 3;
max_brightness = 255;
use_colors = 1;
@@ -869,9 +1191,11 @@ static int sony_leds_init(struct hid_device *hdev)
name_fmt = "%s::sony%d";
}
- /* Clear LEDs as we have no way of reading their initial state. This is
+ /*
+ * Clear LEDs as we have no way of reading their initial state. This is
* only relevant if the driver is loaded after somebody actively set the
- * LEDs to on */
+ * LEDs to on
+ */
sony_set_leds(hdev, initial_values, drv_data->led_count);
name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;
@@ -941,29 +1265,45 @@ static void sixaxis_state_worker(struct work_struct *work)
buf[10] |= sc->led_state[2] << 3;
buf[10] |= sc->led_state[3] << 4;
- sc->hdev->hid_output_raw_report(sc->hdev, buf, sizeof(buf),
- HID_OUTPUT_REPORT);
+ hid_hw_raw_request(sc->hdev, 0x01, buf, sizeof(buf), HID_OUTPUT_REPORT,
+ HID_REQ_SET_REPORT);
}
static void dualshock4_state_worker(struct work_struct *work)
{
struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
struct hid_device *hdev = sc->hdev;
- struct hid_report *report = sc->output_report;
- __s32 *value = report->field[0]->value;
+ int offset;
- value[0] = 0x03;
+ __u8 buf[78] = { 0 };
+
+ if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
+ buf[0] = 0x05;
+ buf[1] = 0x03;
+ offset = 4;
+ } else {
+ buf[0] = 0x11;
+ buf[1] = 0xB0;
+ buf[3] = 0x0F;
+ offset = 6;
+ }
#ifdef CONFIG_SONY_FF
- value[3] = sc->right;
- value[4] = sc->left;
+ buf[offset++] = sc->right;
+ buf[offset++] = sc->left;
+#else
+ offset += 2;
#endif
- value[5] = sc->led_state[0];
- value[6] = sc->led_state[1];
- value[7] = sc->led_state[2];
+ buf[offset++] = sc->led_state[0];
+ buf[offset++] = sc->led_state[1];
+ buf[offset++] = sc->led_state[2];
- hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
+ if (sc->quirks & DUALSHOCK4_CONTROLLER_USB)
+ hid_hw_output_report(hdev, buf, 32);
+ else
+ hid_hw_raw_request(hdev, 0x11, buf, 78,
+ HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
}
#ifdef CONFIG_SONY_FF
@@ -993,51 +1333,252 @@ static int sony_init_ff(struct hid_device *hdev)
return input_ff_create_memless(input_dev, NULL, sony_play_effect);
}
-static void sony_destroy_ff(struct hid_device *hdev)
+#else
+static int sony_init_ff(struct hid_device *hdev)
{
- struct sony_sc *sc = hid_get_drvdata(hdev);
+ return 0;
+}
+
+#endif
+
+static int sony_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct sony_sc *sc = container_of(psy, struct sony_sc, battery);
+ unsigned long flags;
+ int ret = 0;
+ u8 battery_charging, battery_capacity, cable_state;
+
+ spin_lock_irqsave(&sc->lock, flags);
+ battery_charging = sc->battery_charging;
+ battery_capacity = sc->battery_capacity;
+ cable_state = sc->cable_state;
+ spin_unlock_irqrestore(&sc->lock, flags);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = 1;
+ break;
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = battery_capacity;
+ break;
+ case POWER_SUPPLY_PROP_STATUS:
+ if (battery_charging)
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ else
+ if (battery_capacity == 100 && cable_state)
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+ else
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int sony_battery_probe(struct sony_sc *sc)
+{
+ static atomic_t power_id_seq = ATOMIC_INIT(0);
+ unsigned long power_id;
+ struct hid_device *hdev = sc->hdev;
+ int ret;
+
+ /*
+ * Set the default battery level to 100% to avoid low battery warnings
+ * if the battery is polled before the first device report is received.
+ */
+ sc->battery_capacity = 100;
+
+ power_id = (unsigned long)atomic_inc_return(&power_id_seq);
+
+ sc->battery.properties = sony_battery_props;
+ sc->battery.num_properties = ARRAY_SIZE(sony_battery_props);
+ sc->battery.get_property = sony_battery_get_property;
+ sc->battery.type = POWER_SUPPLY_TYPE_BATTERY;
+ sc->battery.use_for_apm = 0;
+ sc->battery.name = kasprintf(GFP_KERNEL, "sony_controller_battery_%lu",
+ power_id);
+ if (!sc->battery.name)
+ return -ENOMEM;
+
+ ret = power_supply_register(&hdev->dev, &sc->battery);
+ if (ret) {
+ hid_err(hdev, "Unable to register battery device\n");
+ goto err_free;
+ }
+
+ power_supply_powers(&sc->battery, &hdev->dev);
+ return 0;
- cancel_work_sync(&sc->state_worker);
+err_free:
+ kfree(sc->battery.name);
+ sc->battery.name = NULL;
+ return ret;
}
-#else
-static int sony_init_ff(struct hid_device *hdev)
+static void sony_battery_remove(struct sony_sc *sc)
+{
+ if (!sc->battery.name)
+ return;
+
+ power_supply_unregister(&sc->battery);
+ kfree(sc->battery.name);
+ sc->battery.name = NULL;
+}
+
+static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
+ int w, int h)
{
+ struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
+ struct hid_input, list);
+ struct input_dev *input_dev = hidinput->input;
+ int ret;
+
+ ret = input_mt_init_slots(input_dev, touch_count, 0);
+ if (ret < 0) {
+ hid_err(sc->hdev, "Unable to initialize multi-touch slots\n");
+ return ret;
+ }
+
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, w, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, h, 0, 0);
+
return 0;
}
-static void sony_destroy_ff(struct hid_device *hdev)
+/*
+ * If a controller is plugged in via USB while already connected via Bluetooth
+ * it will show up as two devices. A global list of connected controllers and
+ * their MAC addresses is maintained to ensure that a device is only connected
+ * once.
+ */
+static int sony_check_add_dev_list(struct sony_sc *sc)
{
+ struct sony_sc *entry;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&sony_dev_list_lock, flags);
+
+ list_for_each_entry(entry, &sony_device_list, list_node) {
+ ret = memcmp(sc->mac_address, entry->mac_address,
+ sizeof(sc->mac_address));
+ if (!ret) {
+ ret = -EEXIST;
+ hid_info(sc->hdev, "controller with MAC address %pMR already connected\n",
+ sc->mac_address);
+ goto unlock;
+ }
+ }
+
+ ret = 0;
+ list_add(&(sc->list_node), &sony_device_list);
+
+unlock:
+ spin_unlock_irqrestore(&sony_dev_list_lock, flags);
+ return ret;
}
-#endif
-static int sony_set_output_report(struct sony_sc *sc, int req_id, int req_size)
+static void sony_remove_dev_list(struct sony_sc *sc)
{
- struct list_head *head, *list;
- struct hid_report *report;
- struct hid_device *hdev = sc->hdev;
+ unsigned long flags;
- list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
+ if (sc->list_node.next) {
+ spin_lock_irqsave(&sony_dev_list_lock, flags);
+ list_del(&(sc->list_node));
+ spin_unlock_irqrestore(&sony_dev_list_lock, flags);
+ }
+}
+
+static int sony_get_bt_devaddr(struct sony_sc *sc)
+{
+ int ret;
- list_for_each(head, list) {
- report = list_entry(head, struct hid_report, list);
+ /* HIDP stores the device MAC address as a string in the uniq field. */
+ ret = strlen(sc->hdev->uniq);
+ if (ret != 17)
+ return -EINVAL;
- if (report->id == req_id) {
- if (report->size < req_size) {
- hid_err(hdev, "Output report 0x%02x (%i bits) is smaller than requested size (%i bits)\n",
- req_id, report->size, req_size);
- return -EINVAL;
- }
- sc->output_report = report;
+ ret = sscanf(sc->hdev->uniq,
+ "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+ &sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
+ &sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);
+
+ if (ret != 6)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int sony_check_add(struct sony_sc *sc)
+{
+ int n, ret;
+
+ if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
+ (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
+ /*
+ * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
+ * address from the uniq string where HIDP stores it.
+ * As uniq cannot be guaranteed to be a MAC address in all cases
+ * a failure of this function should not prevent the connection.
+ */
+ if (sony_get_bt_devaddr(sc) < 0) {
+ hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
return 0;
}
- }
+ } else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
+ __u8 buf[7];
+
+ /*
+ * The MAC address of a DS4 controller connected via USB can be
+ * retrieved with feature report 0x81. The address begins at
+ * offset 1.
+ */
+ ret = hid_hw_raw_request(sc->hdev, 0x81, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
+
+ if (ret != 7) {
+ hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
+ return ret < 0 ? ret : -EINVAL;
+ }
- hid_err(hdev, "Unable to locate output report 0x%02x\n", req_id);
+ memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
+ } else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
+ __u8 buf[18];
+
+ /*
+ * The MAC address of a Sixaxis controller connected via USB can
+ * be retrieved with feature report 0xf2. The address begins at
+ * offset 4.
+ */
+ ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, sizeof(buf),
+ HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
+
+ if (ret != 18) {
+ hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
+ return ret < 0 ? ret : -EINVAL;
+ }
- return -EINVAL;
+ /*
+ * The Sixaxis device MAC in the report is big-endian and must
+ * be byte-swapped.
+ */
+ for (n = 0; n < 6; n++)
+ sc->mac_address[5-n] = buf[4+n];
+ } else {
+ return 0;
+ }
+
+ return sony_check_add_dev_list(sc);
}
+
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
@@ -1075,18 +1616,42 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
- hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
+ /*
+ * The Sony Sixaxis does not handle HID Output Reports on the
+ * Interrupt EP like it could, so we need to force HID Output
+ * Reports to use HID_REQ_SET_REPORT on the Control EP.
+ *
+ * There is also another issue about HID Output Reports via USB,
+ * the Sixaxis does not want the report_id as part of the data
+ * packet, so we have to discard buf[0] when sending the actual
+ * control message, even for numbered reports, humpf!
+ */
+ hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
+ hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
ret = sixaxis_set_operational_usb(hdev);
+ sc->worker_initialized = 1;
INIT_WORK(&sc->state_worker, sixaxis_state_worker);
- }
- else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
+ } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
ret = sixaxis_set_operational_bt(hdev);
- else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
- /* Report 5 (31 bytes) is used to send data to the controller via USB */
- ret = sony_set_output_report(sc, 0x05, 248);
+ sc->worker_initialized = 1;
+ INIT_WORK(&sc->state_worker, sixaxis_state_worker);
+ } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
+ if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
+ ret = dualshock4_set_operational_bt(hdev);
+ if (ret < 0) {
+ hid_err(hdev, "failed to set the Dualshock 4 operational mode\n");
+ goto err_stop;
+ }
+ }
+ /*
+ * The Dualshock 4 touchpad supports 2 touches and has a
+ * resolution of 1920x940.
+ */
+ ret = sony_register_touchpad(sc, 2, 1920, 940);
if (ret < 0)
goto err_stop;
+ sc->worker_initialized = 1;
INIT_WORK(&sc->state_worker, dualshock4_state_worker);
} else {
ret = 0;
@@ -1095,20 +1660,50 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret < 0)
goto err_stop;
+ ret = sony_check_add(sc);
+ if (ret < 0)
+ goto err_stop;
+
if (sc->quirks & SONY_LED_SUPPORT) {
ret = sony_leds_init(hdev);
if (ret < 0)
goto err_stop;
}
- ret = sony_init_ff(hdev);
- if (ret < 0)
- goto err_stop;
+ if (sc->quirks & SONY_FF_SUPPORT) {
+ ret = sony_init_ff(hdev);
+ if (ret < 0)
+ goto err_stop;
+ if (sc->quirks & SONY_BATTERY_SUPPORT) {
+ ret = sony_battery_probe(sc);
+ if (ret < 0)
+ goto err_stop;
+
+ /* Open the device to receive reports with battery info */
+ ret = hid_hw_open(hdev);
+ if (ret < 0) {
+ hid_err(hdev, "hw open failed\n");
+ goto err_stop;
+ }
+ }
+
+ if (sc->quirks & SONY_FF_SUPPORT) {
+ ret = sony_init_ff(hdev);
+ if (ret < 0)
+ goto err_close;
+ }
return 0;
+err_close:
+ hid_hw_close(hdev);
err_stop:
if (sc->quirks & SONY_LED_SUPPORT)
sony_leds_remove(hdev);
+ if (sc->quirks & SONY_BATTERY_SUPPORT)
+ sony_battery_remove(sc);
+ if (sc->worker_initialized)
+ cancel_work_sync(&sc->state_worker);
+ sony_remove_dev_list(sc);
hid_hw_stop(hdev);
return ret;
}
@@ -1120,7 +1715,17 @@ static void sony_remove(struct hid_device *hdev)
if (sc->quirks & SONY_LED_SUPPORT)
sony_leds_remove(hdev);
- sony_destroy_ff(hdev);
+ if (sc->worker_initialized)
+ cancel_work_sync(&sc->state_worker);
+ if (sc->quirks & SONY_BATTERY_SUPPORT) {
+ hid_hw_close(hdev);
+ sony_battery_remove(sc);
+ }
+
+ if (sc->worker_initialized)
+ cancel_work_sync(&sc->state_worker);
+
+ sony_remove_dev_list(sc);
hid_hw_stop(hdev);
}
diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
index 99342cfa0ea2..a97c78845f7b 100644
--- a/drivers/hid/hid-thingm.c
+++ b/drivers/hid/hid-thingm.c
@@ -48,8 +48,8 @@ static int blink1_send_command(struct blink1_data *data,
buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7], buf[8]);
- ret = data->hdev->hid_output_raw_report(data->hdev, buf,
- BLINK1_CMD_SIZE, HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(data->hdev, buf[0], buf, BLINK1_CMD_SIZE,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
return ret < 0 ? ret : 0;
}
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 60c75dcbbdb8..902013ec041b 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -128,8 +128,8 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
- ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret < 0)
goto err;
@@ -143,15 +143,15 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
rep_data[j + 3] = p[(i << 6) + j];
rep_data[2] = i;
- ret = hdev->hid_output_raw_report(hdev, rep_data, 67,
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 67,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}
rep_data[0] = WAC_CMD_ICON_START_STOP;
rep_data[1] = 0;
- ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
err:
return;
@@ -183,7 +183,8 @@ static void wacom_leds_set_brightness(struct led_classdev *led_dev,
buf[3] = value;
/* use fixed brightness for OLEDs */
buf[4] = 0x08;
- hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
+ hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
kfree(buf);
}
@@ -339,8 +340,8 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[0] = 0x03 ; rep_data[1] = 0x00;
limit = 3;
do {
- ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
@@ -352,8 +353,9 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[1] = 0x00;
limit = 3;
do {
- ret = hdev->hid_output_raw_report(hdev,
- rep_data, 2, HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0],
+ rep_data, 2, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
} while (ret < 0 && limit-- > 0);
if (ret >= 0) {
@@ -378,8 +380,8 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
rep_data[0] = 0x03;
rep_data[1] = wdata->features;
- ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
- HID_FEATURE_REPORT);
+ ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2,
+ HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret >= 0)
wdata->high_speed = speed;
break;
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index abb20db2b443..d00391418d1a 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -28,14 +28,14 @@ static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer,
__u8 *buf;
int ret;
- if (!hdev->hid_output_raw_report)
+ if (!hdev->ll_driver->output_report)
return -ENODEV;
buf = kmemdup(buffer, count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- ret = hdev->hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT);
+ ret = hid_hw_output_report(hdev, buf, count);
kfree(buf);
return ret;
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index cb0137b3718d..9c2d7c23f296 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -123,10 +123,6 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
dev = hidraw_table[minor]->hid;
- if (!dev->hid_output_raw_report) {
- ret = -ENODEV;
- goto out;
- }
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(dev, "pid %d passed too large report\n",
@@ -153,7 +149,21 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
goto out_free;
}
- ret = dev->hid_output_raw_report(dev, buf, count, report_type);
+ if ((report_type == HID_OUTPUT_REPORT) &&
+ !(dev->quirks & HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP)) {
+ ret = hid_hw_output_report(dev, buf, count);
+ /*
+ * compatibility with old implementation of USB-HID and I2C-HID:
+ * if the device does not support receiving output reports,
+ * on an interrupt endpoint, fallback to SET_REPORT HID command.
+ */
+ if (ret != -ENOSYS)
+ goto out_free;
+ }
+
+ ret = hid_hw_raw_request(dev, buf[0], buf, count, report_type,
+ HID_REQ_SET_REPORT);
+
out_free:
kfree(buf);
out:
@@ -189,7 +199,7 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
dev = hidraw_table[minor]->hid;
- if (!dev->hid_get_raw_report) {
+ if (!dev->ll_driver->raw_request) {
ret = -ENODEV;
goto out;
}
@@ -216,14 +226,15 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t
/*
* Read the first byte from the user. This is the report number,
- * which is passed to dev->hid_get_raw_report().
+ * which is passed to hid_hw_raw_request().
*/
if (copy_from_user(&report_number, buffer, 1)) {
ret = -EFAULT;
goto out_free;
}
- ret = dev->hid_get_raw_report(dev, report_number, buf, count, report_type);
+ ret = hid_hw_raw_request(dev, report_number, buf, count, report_type,
+ HID_REQ_GET_REPORT);
if (ret < 0)
goto out_free;
@@ -320,13 +331,13 @@ static void drop_ref(struct hidraw *hidraw, int exists_bit)
hid_hw_close(hidraw->hid);
wake_up_interruptible(&hidraw->wait);
}
+ device_destroy(hidraw_class,
+ MKDEV(hidraw_major, hidraw->minor));
} else {
--hidraw->open;
}
if (!hidraw->open) {
if (!hidraw->exist) {
- device_destroy(hidraw_class,
- MKDEV(hidraw_major, hidraw->minor));
hidraw_table[hidraw->minor] = NULL;
kfree(hidraw);
} else {
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index e914f2755491..8c52a07d5652 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -25,6 +25,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <linux/device.h>
#include <linux/wait.h>
#include <linux/err.h>
@@ -256,18 +257,27 @@ static int i2c_hid_get_report(struct i2c_client *client, u8 reportType,
return 0;
}
-static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
- u8 reportID, unsigned char *buf, size_t data_len)
+/**
+ * i2c_hid_set_or_send_report: forward an incoming report to the device
+ * @client: the i2c_client of the device
+ * @reportType: 0x03 for HID_FEATURE_REPORT ; 0x02 for HID_OUTPUT_REPORT
+ * @reportID: the report ID
+ * @buf: the actual data to transfer, without the report ID
+ * @len: size of buf
+ * @use_data: true: use SET_REPORT HID command, false: send plain OUTPUT report
+ */
+static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,
+ u8 reportID, unsigned char *buf, size_t data_len, bool use_data)
{
struct i2c_hid *ihid = i2c_get_clientdata(client);
u8 *args = ihid->argsbuf;
- const struct i2c_hid_cmd * hidcmd = &hid_set_report_cmd;
+ const struct i2c_hid_cmd *hidcmd;
int ret;
u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
u16 outputRegister = le16_to_cpu(ihid->hdesc.wOutputRegister);
u16 maxOutputLength = le16_to_cpu(ihid->hdesc.wMaxOutputLength);
- /* hidraw already checked that data_len < HID_MAX_BUFFER_SIZE */
+ /* hid_hw_* already checked that data_len < HID_MAX_BUFFER_SIZE */
u16 size = 2 /* size */ +
(reportID ? 1 : 0) /* reportID */ +
data_len /* buf */;
@@ -278,6 +288,9 @@ static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
i2c_hid_dbg(ihid, "%s\n", __func__);
+ if (!use_data && maxOutputLength == 0)
+ return -ENOSYS;
+
if (reportID >= 0x0F) {
args[index++] = reportID;
reportID = 0x0F;
@@ -287,9 +300,10 @@ static int i2c_hid_set_report(struct i2c_client *client, u8 reportType,
* use the data register for feature reports or if the device does not
* support the output register
*/
- if (reportType == 0x03 || maxOutputLength == 0) {
+ if (use_data) {
args[index++] = dataRegister & 0xFF;
args[index++] = dataRegister >> 8;
+ hidcmd = &hid_set_report_cmd;
} else {
args[index++] = outputRegister & 0xFF;
args[index++] = outputRegister >> 8;
@@ -454,10 +468,18 @@ static void i2c_hid_init_reports(struct hid_device *hid)
return;
}
+ /*
+ * The device must be powered on while we fetch initial reports
+ * from it.
+ */
+ pm_runtime_get_sync(&client->dev);
+
list_for_each_entry(report,
&hid->report_enum[HID_FEATURE_REPORT].report_list, list)
i2c_hid_init_report(report, inbuf, ihid->bufsize);
+ pm_runtime_put(&client->dev);
+
kfree(inbuf);
}
@@ -550,7 +572,7 @@ static int i2c_hid_get_raw_report(struct hid_device *hid,
}
static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
- size_t count, unsigned char report_type)
+ size_t count, unsigned char report_type, bool use_data)
{
struct i2c_client *client = hid->driver_data;
int report_id = buf[0];
@@ -564,9 +586,9 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
count--;
}
- ret = i2c_hid_set_report(client,
+ ret = i2c_hid_set_or_send_report(client,
report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
- report_id, buf, count);
+ report_id, buf, count, use_data);
if (report_id && ret >= 0)
ret++; /* add report_id to the number of transfered bytes */
@@ -574,34 +596,27 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
return ret;
}
-static void i2c_hid_request(struct hid_device *hid, struct hid_report *rep,
- int reqtype)
+static int i2c_hid_output_report(struct hid_device *hid, __u8 *buf,
+ size_t count)
{
- struct i2c_client *client = hid->driver_data;
- char *buf;
- int ret;
- int len = i2c_hid_get_report_length(rep) - 2;
-
- buf = kzalloc(len, GFP_KERNEL);
- if (!buf)
- return;
+ return i2c_hid_output_raw_report(hid, buf, count, HID_OUTPUT_REPORT,
+ false);
+}
+static int i2c_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype,
+ int reqtype)
+{
switch (reqtype) {
case HID_REQ_GET_REPORT:
- ret = i2c_hid_get_raw_report(hid, rep->id, buf, len, rep->type);
- if (ret < 0)
- dev_err(&client->dev, "%s: unable to get report: %d\n",
- __func__, ret);
- else
- hid_input_report(hid, rep->type, buf, ret, 0);
- break;
+ return i2c_hid_get_raw_report(hid, reportnum, buf, len, rtype);
case HID_REQ_SET_REPORT:
- hid_output_report(rep, buf);
- i2c_hid_output_raw_report(hid, buf, len, rep->type);
- break;
+ if (buf[0] != reportnum)
+ return -EINVAL;
+ return i2c_hid_output_raw_report(hid, buf, len, rtype, true);
+ default:
+ return -EIO;
}
-
- kfree(buf);
}
static int i2c_hid_parse(struct hid_device *hid)
@@ -703,8 +718,8 @@ static int i2c_hid_open(struct hid_device *hid)
mutex_lock(&i2c_hid_open_mut);
if (!hid->open++) {
- ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
- if (ret) {
+ ret = pm_runtime_get_sync(&client->dev);
+ if (ret < 0) {
hid->open--;
goto done;
}
@@ -712,7 +727,7 @@ static int i2c_hid_open(struct hid_device *hid)
}
done:
mutex_unlock(&i2c_hid_open_mut);
- return ret;
+ return ret < 0 ? ret : 0;
}
static void i2c_hid_close(struct hid_device *hid)
@@ -729,7 +744,7 @@ static void i2c_hid_close(struct hid_device *hid)
clear_bit(I2C_HID_STARTED, &ihid->flags);
/* Save some power */
- i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ pm_runtime_put(&client->dev);
}
mutex_unlock(&i2c_hid_open_mut);
}
@@ -738,19 +753,18 @@ static int i2c_hid_power(struct hid_device *hid, int lvl)
{
struct i2c_client *client = hid->driver_data;
struct i2c_hid *ihid = i2c_get_clientdata(client);
- int ret = 0;
i2c_hid_dbg(ihid, "%s lvl:%d\n", __func__, lvl);
switch (lvl) {
case PM_HINT_FULLON:
- ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
+ pm_runtime_get_sync(&client->dev);
break;
case PM_HINT_NORMAL:
- ret = i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ pm_runtime_put(&client->dev);
break;
}
- return ret;
+ return 0;
}
static struct hid_ll_driver i2c_hid_ll_driver = {
@@ -760,7 +774,8 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
.open = i2c_hid_open,
.close = i2c_hid_close,
.power = i2c_hid_power,
- .request = i2c_hid_request,
+ .output_report = i2c_hid_output_report,
+ .raw_request = i2c_hid_raw_request,
};
static int i2c_hid_init_irq(struct i2c_client *client)
@@ -987,13 +1002,17 @@ static int i2c_hid_probe(struct i2c_client *client,
if (ret < 0)
goto err;
+ pm_runtime_get_noresume(&client->dev);
+ pm_runtime_set_active(&client->dev);
+ pm_runtime_enable(&client->dev);
+
ret = i2c_hid_fetch_hid_descriptor(ihid);
if (ret < 0)
- goto err;
+ goto err_pm;
ret = i2c_hid_init_irq(client);
if (ret < 0)
- goto err;
+ goto err_pm;
hid = hid_allocate_device();
if (IS_ERR(hid)) {
@@ -1005,8 +1024,6 @@ static int i2c_hid_probe(struct i2c_client *client,
hid->driver_data = client;
hid->ll_driver = &i2c_hid_ll_driver;
- hid->hid_get_raw_report = i2c_hid_get_raw_report;
- hid->hid_output_raw_report = i2c_hid_output_raw_report;
hid->dev.parent = &client->dev;
ACPI_COMPANION_SET(&hid->dev, ACPI_COMPANION(&client->dev));
hid->bus = BUS_I2C;
@@ -1024,6 +1041,7 @@ static int i2c_hid_probe(struct i2c_client *client,
goto err_mem_free;
}
+ pm_runtime_put(&client->dev);
return 0;
err_mem_free:
@@ -1032,6 +1050,10 @@ err_mem_free:
err_irq:
free_irq(client->irq, ihid);
+err_pm:
+ pm_runtime_put_noidle(&client->dev);
+ pm_runtime_disable(&client->dev);
+
err:
i2c_hid_free_buffers(ihid);
kfree(ihid);
@@ -1043,6 +1065,11 @@ static int i2c_hid_remove(struct i2c_client *client)
struct i2c_hid *ihid = i2c_get_clientdata(client);
struct hid_device *hid;
+ pm_runtime_get_sync(&client->dev);
+ pm_runtime_disable(&client->dev);
+ pm_runtime_set_suspended(&client->dev);
+ pm_runtime_put_noidle(&client->dev);
+
hid = ihid->hid;
hid_destroy_device(hid);
@@ -1088,7 +1115,31 @@ static int i2c_hid_resume(struct device *dev)
}
#endif
-static SIMPLE_DEV_PM_OPS(i2c_hid_pm, i2c_hid_suspend, i2c_hid_resume);
+#ifdef CONFIG_PM_RUNTIME
+static int i2c_hid_runtime_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ i2c_hid_set_power(client, I2C_HID_PWR_SLEEP);
+ disable_irq(client->irq);
+ return 0;
+}
+
+static int i2c_hid_runtime_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ enable_irq(client->irq);
+ i2c_hid_set_power(client, I2C_HID_PWR_ON);
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops i2c_hid_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(i2c_hid_suspend, i2c_hid_resume)
+ SET_RUNTIME_PM_OPS(i2c_hid_runtime_suspend, i2c_hid_runtime_resume,
+ NULL)
+};
static const struct i2c_device_id i2c_hid_id_table[] = {
{ "hid", 0 },
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index cedc6da93c19..7ed79be2686a 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -244,12 +244,35 @@ static int uhid_hid_output_raw(struct hid_device *hid, __u8 *buf, size_t count,
return count;
}
+static int uhid_hid_output_report(struct hid_device *hid, __u8 *buf,
+ size_t count)
+{
+ return uhid_hid_output_raw(hid, buf, count, HID_OUTPUT_REPORT);
+}
+
+static int uhid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype,
+ int reqtype)
+{
+ switch (reqtype) {
+ case HID_REQ_GET_REPORT:
+ return uhid_hid_get_raw(hid, reportnum, buf, len, rtype);
+ case HID_REQ_SET_REPORT:
+ /* TODO: implement proper SET_REPORT functionality */
+ return -ENOSYS;
+ default:
+ return -EIO;
+ }
+}
+
static struct hid_ll_driver uhid_hid_driver = {
.start = uhid_hid_start,
.stop = uhid_hid_stop,
.open = uhid_hid_open,
.close = uhid_hid_close,
.parse = uhid_hid_parse,
+ .output_report = uhid_hid_output_report,
+ .raw_request = uhid_raw_request,
};
#ifdef CONFIG_COMPAT
@@ -377,8 +400,6 @@ static int uhid_dev_create(struct uhid_device *uhid,
hid->uniq[63] = 0;
hid->ll_driver = &uhid_hid_driver;
- hid->hid_get_raw_report = uhid_hid_get_raw;
- hid->hid_output_raw_report = uhid_hid_output_raw;
hid->bus = ev->u.create.bus;
hid->vendor = ev->u.create.vendor;
hid->product = ev->u.create.product;
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 44df131d390a..7b88f4cb9902 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -884,52 +884,66 @@ static int usbhid_get_raw_report(struct hid_device *hid,
return ret;
}
-static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count,
- unsigned char report_type)
+static int usbhid_set_raw_report(struct hid_device *hid, unsigned int reportnum,
+ __u8 *buf, size_t count, unsigned char rtype)
{
struct usbhid_device *usbhid = hid->driver_data;
struct usb_device *dev = hid_to_usb_dev(hid);
struct usb_interface *intf = usbhid->intf;
struct usb_host_interface *interface = intf->cur_altsetting;
- int ret;
+ int ret, skipped_report_id = 0;
- if (usbhid->urbout && report_type != HID_FEATURE_REPORT) {
- int actual_length;
- int skipped_report_id = 0;
+ /* Byte 0 is the report number. Report data starts at byte 1.*/
+ if ((rtype == HID_OUTPUT_REPORT) &&
+ (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORT_ID))
+ buf[0] = 0;
+ else
+ buf[0] = reportnum;
+
+ if (buf[0] == 0x0) {
+ /* Don't send the Report ID */
+ buf++;
+ count--;
+ skipped_report_id = 1;
+ }
- if (buf[0] == 0x0) {
- /* Don't send the Report ID */
- buf++;
- count--;
- skipped_report_id = 1;
- }
- ret = usb_interrupt_msg(dev, usbhid->urbout->pipe,
- buf, count, &actual_length,
- USB_CTRL_SET_TIMEOUT);
- /* return the number of bytes transferred */
- if (ret == 0) {
- ret = actual_length;
- /* count also the report id */
- if (skipped_report_id)
- ret++;
- }
- } else {
- int skipped_report_id = 0;
- int report_id = buf[0];
- if (buf[0] == 0x0) {
- /* Don't send the Report ID */
- buf++;
- count--;
- skipped_report_id = 1;
- }
- ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
HID_REQ_SET_REPORT,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- ((report_type + 1) << 8) | report_id,
+ ((rtype + 1) << 8) | reportnum,
interface->desc.bInterfaceNumber, buf, count,
USB_CTRL_SET_TIMEOUT);
- /* count also the report id, if this was a numbered report. */
- if (ret > 0 && skipped_report_id)
+ /* count also the report id, if this was a numbered report. */
+ if (ret > 0 && skipped_report_id)
+ ret++;
+
+ return ret;
+}
+
+static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
+{
+ struct usbhid_device *usbhid = hid->driver_data;
+ struct usb_device *dev = hid_to_usb_dev(hid);
+ int actual_length, skipped_report_id = 0, ret;
+
+ if (!usbhid->urbout)
+ return -ENOSYS;
+
+ if (buf[0] == 0x0) {
+ /* Don't send the Report ID */
+ buf++;
+ count--;
+ skipped_report_id = 1;
+ }
+
+ ret = usb_interrupt_msg(dev, usbhid->urbout->pipe,
+ buf, count, &actual_length,
+ USB_CTRL_SET_TIMEOUT);
+ /* return the number of bytes transferred */
+ if (ret == 0) {
+ ret = actual_length;
+ /* count also the report id */
+ if (skipped_report_id)
ret++;
}
@@ -1200,6 +1214,20 @@ static void usbhid_request(struct hid_device *hid, struct hid_report *rep, int r
}
}
+static int usbhid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype,
+ int reqtype)
+{
+ switch (reqtype) {
+ case HID_REQ_GET_REPORT:
+ return usbhid_get_raw_report(hid, reportnum, buf, len, rtype);
+ case HID_REQ_SET_REPORT:
+ return usbhid_set_raw_report(hid, reportnum, buf, len, rtype);
+ default:
+ return -EIO;
+ }
+}
+
static int usbhid_idle(struct hid_device *hid, int report, int idle,
int reqtype)
{
@@ -1223,6 +1251,8 @@ static struct hid_ll_driver usb_hid_driver = {
.power = usbhid_power,
.request = usbhid_request,
.wait = usbhid_wait_io,
+ .raw_request = usbhid_raw_request,
+ .output_report = usbhid_output_report,
.idle = usbhid_idle,
};
@@ -1253,8 +1283,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
usb_set_intfdata(intf, hid);
hid->ll_driver = &usb_hid_driver;
- hid->hid_get_raw_report = usbhid_get_raw_report;
- hid->hid_output_raw_report = usbhid_output_raw_report;
hid->ff_init = hid_pidff_init;
#ifdef CONFIG_USB_HIDDEV
hid->hiddev_connect = hiddev_connect;
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 175ec0afb70c..dbd83878ff99 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -74,6 +74,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS },
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 14:28:29 +0000