F: include/linux/fsverity.h
F: include/uapi/linux/fsverity.h
+FT260 FTDI USB-HID TO I2C BRIDGE DRIVER
+M: Michael Zaidman <michael.zaidman@gmail.com>
+L: linux-i2c@vger.kernel.org
+L: linux-input@vger.kernel.org
+S: Maintained
+F: drivers/hid/hid-ft260.c
+
FUJITSU LAPTOP EXTRAS
M: Jonathan Woithe <jwoithe@just42.net>
L: platform-driver-x86@vger.kernel.org
help
Support for Ezkey BTC 8193 keyboard.
+config HID_FT260
+ tristate "FTDI FT260 USB HID to I2C host support"
+ depends on USB_HID && HIDRAW && I2C
+ help
+ Provides I2C host adapter functionality over USB-HID through FT260
+ device. The customizable USB descriptor fields are exposed as sysfs
+ attributes.
+
+ To compile this driver as a module, choose M here: the module
+ will be called hid-ft260.
+
config HID_GEMBIRD
tristate "Gembird Joypad"
depends on HID
obj-$(CONFIG_HID_ELECOM) += hid-elecom.o
obj-$(CONFIG_HID_ELO) += hid-elo.o
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
+obj-$(CONFIG_HID_FT260) += hid-ft260.o
obj-$(CONFIG_HID_GEMBIRD) += hid-gembird.o
obj-$(CONFIG_HID_GFRM) += hid-gfrm.o
obj-$(CONFIG_HID_GLORIOUS) += hid-glorious.o
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
+#include <linux/dmi.h>
#include <linux/interrupt.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/module.h>
#define ACEL_EN BIT(0)
#define GYRO_EN BIT(1)
-#define MAGNO_EN BIT(2)
+#define MAGNO_EN BIT(2)
#define ALS_EN BIT(19)
+static int sensor_mask_override = -1;
+module_param_named(sensor_mask, sensor_mask_override, int, 0444);
+MODULE_PARM_DESC(sensor_mask, "override the detected sensors mask");
+
void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info)
{
union sfh_cmd_param cmd_param;
writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0);
}
+static const struct dmi_system_id dmi_sensor_mask_overrides[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY x360 Convertible 13-ag0xxx"),
+ },
+ .driver_data = (void *)(ACEL_EN | MAGNO_EN),
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY x360 Convertible 15-cp0xxx"),
+ },
+ .driver_data = (void *)(ACEL_EN | MAGNO_EN),
+ },
+ { }
+};
+
int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id)
{
int activestatus, num_of_sensors = 0;
+ const struct dmi_system_id *dmi_id;
+ u32 activecontrolstatus;
+
+ if (sensor_mask_override == -1) {
+ dmi_id = dmi_first_match(dmi_sensor_mask_overrides);
+ if (dmi_id)
+ sensor_mask_override = (long)dmi_id->driver_data;
+ }
+
+ if (sensor_mask_override >= 0) {
+ activestatus = sensor_mask_override;
+ } else {
+ activecontrolstatus = readl(privdata->mmio + AMD_P2C_MSG3);
+ activestatus = activecontrolstatus >> 4;
+ }
- privdata->activecontrolstatus = readl(privdata->mmio + AMD_P2C_MSG3);
- activestatus = privdata->activecontrolstatus >> 4;
if (ACEL_EN & activestatus)
sensor_id[num_of_sensors++] = accel_idx;
struct pci_dev *pdev;
struct amdtp_cl_data *cl_data;
void __iomem *mmio;
- u32 activecontrolstatus;
};
struct amd_mp2_sensor_info {
if (input_register_device(data->input2)) {
input_free_device(input2);
+ ret = -ENOENT;
goto exit;
}
}
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
+ QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
atomic_t read_avail;
atomic_t xfer_avail;
struct gpio_chip gc;
+ struct irq_chip irq;
u8 *in_out_buffer;
struct mutex lock;
return 0;
}
-static struct irq_chip cp2112_gpio_irqchip = {
- .name = "cp2112-gpio",
- .irq_startup = cp2112_gpio_irq_startup,
- .irq_shutdown = cp2112_gpio_irq_shutdown,
- .irq_ack = cp2112_gpio_irq_ack,
- .irq_mask = cp2112_gpio_irq_mask,
- .irq_unmask = cp2112_gpio_irq_unmask,
- .irq_set_type = cp2112_gpio_irq_type,
-};
-
static int __maybe_unused cp2112_allocate_irq(struct cp2112_device *dev,
int pin)
{
dev->gc.can_sleep = 1;
dev->gc.parent = &hdev->dev;
+ dev->irq.name = "cp2112-gpio";
+ dev->irq.irq_startup = cp2112_gpio_irq_startup;
+ dev->irq.irq_shutdown = cp2112_gpio_irq_shutdown;
+ dev->irq.irq_ack = cp2112_gpio_irq_ack;
+ dev->irq.irq_mask = cp2112_gpio_irq_mask;
+ dev->irq.irq_unmask = cp2112_gpio_irq_unmask;
+ dev->irq.irq_set_type = cp2112_gpio_irq_type;
+ dev->irq.flags = IRQCHIP_MASK_ON_SUSPEND;
+
girq = &dev->gc.irq;
- girq->chip = &cp2112_gpio_irqchip;
+ girq->chip = &dev->irq;
/* The event comes from the outside so no parent handler */
girq->parent_handler = NULL;
girq->num_parents = 0;
return 0;
}
-static enum led_brightness elan_mute_led_get_brigtness(struct led_classdev *led_cdev)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hdev = to_hid_device(dev);
- struct elan_drvdata *drvdata = hid_get_drvdata(hdev);
-
- return drvdata->mute_led_state;
-}
-
static int elan_mute_led_set_brigtness(struct led_classdev *led_cdev,
enum led_brightness value)
{
kfree(dmabuf);
if (ret != ELAN_LED_REPORT_SIZE) {
- hid_err(hdev, "Failed to set mute led brightness: %d\n", ret);
- return ret;
+ if (ret != -ENODEV)
+ hid_err(hdev, "Failed to set mute led brightness: %d\n", ret);
+ return ret < 0 ? ret : -EIO;
}
drvdata->mute_led_state = led_state;
struct led_classdev *mute_led = &drvdata->mute_led;
mute_led->name = "elan:red:mute";
- mute_led->brightness_get = elan_mute_led_get_brigtness;
+ mute_led->default_trigger = "audio-mute";
mute_led->brightness_set_blocking = elan_mute_led_set_brigtness;
mute_led->max_brightness = LED_ON;
+ mute_led->flags = LED_HW_PLUGGABLE;
mute_led->dev = &hdev->dev;
return devm_led_classdev_register(&hdev->dev, mute_led);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * hid-ft260.c - FTDI FT260 USB HID to I2C host bridge
+ *
+ * Copyright (c) 2021, Michael Zaidman <michaelz@xsightlabs.com>
+ *
+ * Data Sheet:
+ * https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT260.pdf
+ */
+
+#include "hid-ids.h"
+#include <linux/hidraw.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#ifdef DEBUG
+static int ft260_debug = 1;
+#else
+static int ft260_debug;
+#endif
+module_param_named(debug, ft260_debug, int, 0600);
+MODULE_PARM_DESC(debug, "Toggle FT260 debugging messages");
+
+#define ft260_dbg(format, arg...) \
+ do { \
+ if (ft260_debug) \
+ pr_info("%s: " format, __func__, ##arg); \
+ } while (0)
+
+#define FT260_REPORT_MAX_LENGTH (64)
+#define FT260_I2C_DATA_REPORT_ID(len) (FT260_I2C_REPORT_MIN + (len - 1) / 4)
+/*
+ * The input report format assigns 62 bytes for the data payload, but ft260
+ * returns 60 and 2 in two separate transactions. To minimize transfer time
+ * in reading chunks mode, set the maximum read payload length to 60 bytes.
+ */
+#define FT260_RD_DATA_MAX (60)
+#define FT260_WR_DATA_MAX (60)
+
+/*
+ * Device interface configuration.
+ * The FT260 has 2 interfaces that are controlled by DCNF0 and DCNF1 pins.
+ * First implementes USB HID to I2C bridge function and
+ * second - USB HID to UART bridge function.
+ */
+enum {
+ FT260_MODE_ALL = 0x00,
+ FT260_MODE_I2C = 0x01,
+ FT260_MODE_UART = 0x02,
+ FT260_MODE_BOTH = 0x03,
+};
+
+/* Control pipe */
+enum {
+ FT260_GET_RQST_TYPE = 0xA1,
+ FT260_GET_REPORT = 0x01,
+ FT260_SET_RQST_TYPE = 0x21,
+ FT260_SET_REPORT = 0x09,
+ FT260_FEATURE = 0x03,
+};
+
+/* Report IDs / Feature In */
+enum {
+ FT260_CHIP_VERSION = 0xA0,
+ FT260_SYSTEM_SETTINGS = 0xA1,
+ FT260_I2C_STATUS = 0xC0,
+ FT260_I2C_READ_REQ = 0xC2,
+ FT260_I2C_REPORT_MIN = 0xD0,
+ FT260_I2C_REPORT_MAX = 0xDE,
+ FT260_GPIO = 0xB0,
+ FT260_UART_INTERRUPT_STATUS = 0xB1,
+ FT260_UART_STATUS = 0xE0,
+ FT260_UART_RI_DCD_STATUS = 0xE1,
+ FT260_UART_REPORT = 0xF0,
+};
+
+/* Feature Out */
+enum {
+ FT260_SET_CLOCK = 0x01,
+ FT260_SET_I2C_MODE = 0x02,
+ FT260_SET_UART_MODE = 0x03,
+ FT260_ENABLE_INTERRUPT = 0x05,
+ FT260_SELECT_GPIO2_FUNC = 0x06,
+ FT260_ENABLE_UART_DCD_RI = 0x07,
+ FT260_SELECT_GPIOA_FUNC = 0x08,
+ FT260_SELECT_GPIOG_FUNC = 0x09,
+ FT260_SET_INTERRUPT_TRIGGER = 0x0A,
+ FT260_SET_SUSPEND_OUT_POLAR = 0x0B,
+ FT260_ENABLE_UART_RI_WAKEUP = 0x0C,
+ FT260_SET_UART_RI_WAKEUP_CFG = 0x0D,
+ FT260_SET_I2C_RESET = 0x20,
+ FT260_SET_I2C_CLOCK_SPEED = 0x22,
+ FT260_SET_UART_RESET = 0x40,
+ FT260_SET_UART_CONFIG = 0x41,
+ FT260_SET_UART_BAUD_RATE = 0x42,
+ FT260_SET_UART_DATA_BIT = 0x43,
+ FT260_SET_UART_PARITY = 0x44,
+ FT260_SET_UART_STOP_BIT = 0x45,
+ FT260_SET_UART_BREAKING = 0x46,
+ FT260_SET_UART_XON_XOFF = 0x49,
+};
+
+/* Response codes in I2C status report */
+enum {
+ FT260_I2C_STATUS_SUCCESS = 0x00,
+ FT260_I2C_STATUS_CTRL_BUSY = 0x01,
+ FT260_I2C_STATUS_ERROR = 0x02,
+ FT260_I2C_STATUS_ADDR_NO_ACK = 0x04,
+ FT260_I2C_STATUS_DATA_NO_ACK = 0x08,
+ FT260_I2C_STATUS_ARBITR_LOST = 0x10,
+ FT260_I2C_STATUS_CTRL_IDLE = 0x20,
+ FT260_I2C_STATUS_BUS_BUSY = 0x40,
+};
+
+/* I2C Conditions flags */
+enum {
+ FT260_FLAG_NONE = 0x00,
+ FT260_FLAG_START = 0x02,
+ FT260_FLAG_START_REPEATED = 0x03,
+ FT260_FLAG_STOP = 0x04,
+ FT260_FLAG_START_STOP = 0x06,
+ FT260_FLAG_START_STOP_REPEATED = 0x07,
+};
+
+#define FT260_SET_REQUEST_VALUE(report_id) ((FT260_FEATURE << 8) | report_id)
+
+/* Feature In reports */
+
+struct ft260_get_chip_version_report {
+ u8 report; /* FT260_CHIP_VERSION */
+ u8 chip_code[4]; /* FTDI chip identification code */
+ u8 reserved[8];
+} __packed;
+
+struct ft260_get_system_status_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 chip_mode; /* DCNF0 and DCNF1 status, bits 0-1 */
+ u8 clock_ctl; /* 0 - 12MHz, 1 - 24MHz, 2 - 48MHz */
+ u8 suspend_status; /* 0 - not suspended, 1 - suspended */
+ u8 pwren_status; /* 0 - FT260 is not ready, 1 - ready */
+ u8 i2c_enable; /* 0 - disabled, 1 - enabled */
+ u8 uart_mode; /* 0 - OFF; 1 - RTS_CTS, 2 - DTR_DSR, */
+ /* 3 - XON_XOFF, 4 - No flow control */
+ u8 hid_over_i2c_en; /* 0 - disabled, 1 - enabled */
+ u8 gpio2_function; /* 0 - GPIO, 1 - SUSPOUT, */
+ /* 2 - PWREN, 4 - TX_LED */
+ u8 gpioA_function; /* 0 - GPIO, 3 - TX_ACTIVE, 4 - TX_LED */
+ u8 gpioG_function; /* 0 - GPIO, 2 - PWREN, */
+ /* 5 - RX_LED, 6 - BCD_DET */
+ u8 suspend_out_pol; /* 0 - active-high, 1 - active-low */
+ u8 enable_wakeup_int; /* 0 - disabled, 1 - enabled */
+ u8 intr_cond; /* Interrupt trigger conditions */
+ u8 power_saving_en; /* 0 - disabled, 1 - enabled */
+ u8 reserved[10];
+} __packed;
+
+struct ft260_get_i2c_status_report {
+ u8 report; /* FT260_I2C_STATUS */
+ u8 bus_status; /* I2C bus status */
+ __le16 clock; /* I2C bus clock in range 60-3400 KHz */
+ u8 reserved;
+} __packed;
+
+/* Feature Out reports */
+
+struct ft260_set_system_clock_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 request; /* FT260_SET_CLOCK */
+ u8 clock_ctl; /* 0 - 12MHz, 1 - 24MHz, 2 - 48MHz */
+} __packed;
+
+struct ft260_set_i2c_mode_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 request; /* FT260_SET_I2C_MODE */
+ u8 i2c_enable; /* 0 - disabled, 1 - enabled */
+} __packed;
+
+struct ft260_set_uart_mode_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 request; /* FT260_SET_UART_MODE */
+ u8 uart_mode; /* 0 - OFF; 1 - RTS_CTS, 2 - DTR_DSR, */
+ /* 3 - XON_XOFF, 4 - No flow control */
+} __packed;
+
+struct ft260_set_i2c_reset_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 request; /* FT260_SET_I2C_RESET */
+} __packed;
+
+struct ft260_set_i2c_speed_report {
+ u8 report; /* FT260_SYSTEM_SETTINGS */
+ u8 request; /* FT260_SET_I2C_CLOCK_SPEED */
+ __le16 clock; /* I2C bus clock in range 60-3400 KHz */
+} __packed;
+
+/* Data transfer reports */
+
+struct ft260_i2c_write_request_report {
+ u8 report; /* FT260_I2C_REPORT */
+ u8 address; /* 7-bit I2C address */
+ u8 flag; /* I2C transaction condition */
+ u8 length; /* data payload length */
+ u8 data[60]; /* data payload */
+} __packed;
+
+struct ft260_i2c_read_request_report {
+ u8 report; /* FT260_I2C_READ_REQ */
+ u8 address; /* 7-bit I2C address */
+ u8 flag; /* I2C transaction condition */
+ __le16 length; /* data payload length */
+} __packed;
+
+struct ft260_i2c_input_report {
+ u8 report; /* FT260_I2C_REPORT */
+ u8 length; /* data payload length */
+ u8 data[2]; /* data payload */
+} __packed;
+
+static const struct hid_device_id ft260_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY,
+ USB_DEVICE_ID_FT260) },
+ { /* END OF LIST */ }
+};
+MODULE_DEVICE_TABLE(hid, ft260_devices);
+
+struct ft260_device {
+ struct i2c_adapter adap;
+ struct hid_device *hdev;
+ struct completion wait;
+ struct mutex lock;
+ u8 write_buf[FT260_REPORT_MAX_LENGTH];
+ u8 *read_buf;
+ u16 read_idx;
+ u16 read_len;
+ u16 clock;
+};
+
+static int ft260_hid_feature_report_get(struct hid_device *hdev,
+ unsigned char report_id, u8 *data,
+ size_t len)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmalloc(len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = hid_hw_raw_request(hdev, report_id, buf, len, HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ memcpy(data, buf, len);
+ kfree(buf);
+ return ret;
+}
+
+static int ft260_hid_feature_report_set(struct hid_device *hdev, u8 *data,
+ size_t len)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmemdup(data, len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = FT260_SYSTEM_SETTINGS;
+
+ ret = hid_hw_raw_request(hdev, buf[0], buf, len, HID_FEATURE_REPORT,
+ HID_REQ_SET_REPORT);
+
+ kfree(buf);
+ return ret;
+}
+
+static int ft260_i2c_reset(struct hid_device *hdev)
+{
+ struct ft260_set_i2c_reset_report report;
+ int ret;
+
+ report.request = FT260_SET_I2C_RESET;
+
+ ret = ft260_hid_feature_report_set(hdev, (u8 *)&report, sizeof(report));
+ if (ret < 0) {
+ hid_err(hdev, "failed to reset I2C controller: %d\n", ret);
+ return ret;
+ }
+
+ ft260_dbg("done\n");
+ return ret;
+}
+
+static int ft260_xfer_status(struct ft260_device *dev)
+{
+ struct hid_device *hdev = dev->hdev;
+ struct ft260_get_i2c_status_report report;
+ int ret;
+
+ ret = ft260_hid_feature_report_get(hdev, FT260_I2C_STATUS,
+ (u8 *)&report, sizeof(report));
+ if (ret < 0) {
+ hid_err(hdev, "failed to retrieve status: %d\n", ret);
+ return ret;
+ }
+
+ dev->clock = le16_to_cpu(report.clock);
+ ft260_dbg("bus_status %#02x, clock %u\n", report.bus_status,
+ dev->clock);
+
+ if (report.bus_status & FT260_I2C_STATUS_CTRL_BUSY)
+ return -EAGAIN;
+
+ if (report.bus_status & FT260_I2C_STATUS_BUS_BUSY)
+ return -EBUSY;
+
+ if (report.bus_status & FT260_I2C_STATUS_ERROR)
+ return -EIO;
+
+ ret = -EIO;
+
+ if (report.bus_status & FT260_I2C_STATUS_ADDR_NO_ACK)
+ ft260_dbg("unacknowledged address\n");
+
+ if (report.bus_status & FT260_I2C_STATUS_DATA_NO_ACK)
+ ft260_dbg("unacknowledged data\n");
+
+ if (report.bus_status & FT260_I2C_STATUS_ARBITR_LOST)
+ ft260_dbg("arbitration loss\n");
+
+ if (report.bus_status & FT260_I2C_STATUS_CTRL_IDLE)
+ ret = 0;
+
+ return ret;
+}
+
+static int ft260_hid_output_report(struct hid_device *hdev, u8 *data,
+ size_t len)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmemdup(data, len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = hid_hw_output_report(hdev, buf, len);
+
+ kfree(buf);
+ return ret;
+}
+
+static int ft260_hid_output_report_check_status(struct ft260_device *dev,
+ u8 *data, int len)
+{
+ int ret, usec, try = 3;
+ struct hid_device *hdev = dev->hdev;
+
+ ret = ft260_hid_output_report(hdev, data, len);
+ if (ret < 0) {
+ hid_err(hdev, "%s: failed to start transfer, ret %d\n",
+ __func__, ret);
+ ft260_i2c_reset(hdev);
+ return ret;
+ }
+
+ /* transfer time = 1 / clock(KHz) * 10 bits * bytes */
+ usec = 10000 / dev->clock * len;
+ usleep_range(usec, usec + 100);
+ ft260_dbg("wait %d usec, len %d\n", usec, len);
+ do {
+ ret = ft260_xfer_status(dev);
+ if (ret != -EAGAIN)
+ break;
+ } while (--try);
+
+ if (ret == 0 || ret == -EBUSY)
+ return 0;
+
+ ft260_i2c_reset(hdev);
+ return -EIO;
+}
+
+static int ft260_i2c_write(struct ft260_device *dev, u8 addr, u8 *data,
+ int data_len, u8 flag)
+{
+ int len, ret, idx = 0;
+ struct hid_device *hdev = dev->hdev;
+ struct ft260_i2c_write_request_report *rep =
+ (struct ft260_i2c_write_request_report *)dev->write_buf;
+
+ do {
+ if (data_len <= FT260_WR_DATA_MAX)
+ len = data_len;
+ else
+ len = FT260_WR_DATA_MAX;
+
+ rep->report = FT260_I2C_DATA_REPORT_ID(len);
+ rep->address = addr;
+ rep->length = len;
+ rep->flag = flag;
+
+ memcpy(rep->data, &data[idx], len);
+
+ ft260_dbg("rep %#02x addr %#02x off %d len %d d[0] %#02x\n",
+ rep->report, addr, idx, len, data[0]);
+
+ ret = ft260_hid_output_report_check_status(dev, (u8 *)rep,
+ len + 4);
+ if (ret < 0) {
+ hid_err(hdev, "%s: failed to start transfer, ret %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ data_len -= len;
+ idx += len;
+
+ } while (data_len > 0);
+
+ return 0;
+}
+
+static int ft260_smbus_write(struct ft260_device *dev, u8 addr, u8 cmd,
+ u8 *data, u8 data_len, u8 flag)
+{
+ int ret = 0;
+ int len = 4;
+
+ struct ft260_i2c_write_request_report *rep =
+ (struct ft260_i2c_write_request_report *)dev->write_buf;
+
+ rep->address = addr;
+ rep->data[0] = cmd;
+ rep->length = data_len + 1;
+ rep->flag = flag;
+ len += rep->length;
+
+ rep->report = FT260_I2C_DATA_REPORT_ID(len);
+
+ if (data_len > 0)
+ memcpy(&rep->data[1], data, data_len);
+
+ ft260_dbg("rep %#02x addr %#02x cmd %#02x datlen %d replen %d\n",
+ rep->report, addr, cmd, rep->length, len);
+
+ ret = ft260_hid_output_report_check_status(dev, (u8 *)rep, len);
+
+ return ret;
+}
+
+static int ft260_i2c_read(struct ft260_device *dev, u8 addr, u8 *data,
+ u16 len, u8 flag)
+{
+ struct ft260_i2c_read_request_report rep;
+ struct hid_device *hdev = dev->hdev;
+ int timeout;
+ int ret;
+
+ if (len > FT260_RD_DATA_MAX) {
+ hid_err(hdev, "%s: unsupported rd len: %d\n", __func__, len);
+ return -EINVAL;
+ }
+
+ dev->read_idx = 0;
+ dev->read_buf = data;
+ dev->read_len = len;
+
+ rep.report = FT260_I2C_READ_REQ;
+ rep.length = cpu_to_le16(len);
+ rep.address = addr;
+ rep.flag = flag;
+
+ ft260_dbg("rep %#02x addr %#02x len %d\n", rep.report, rep.address,
+ rep.length);
+
+ reinit_completion(&dev->wait);
+
+ ret = ft260_hid_output_report(hdev, (u8 *)&rep, sizeof(rep));
+ if (ret < 0) {
+ hid_err(hdev, "%s: failed to start transaction, ret %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ timeout = msecs_to_jiffies(5000);
+ if (!wait_for_completion_timeout(&dev->wait, timeout)) {
+ ft260_i2c_reset(hdev);
+ return -ETIMEDOUT;
+ }
+
+ ret = ft260_xfer_status(dev);
+ if (ret == 0)
+ return 0;
+
+ ft260_i2c_reset(hdev);
+ return -EIO;
+}
+
+/*
+ * A random read operation is implemented as a dummy write operation, followed
+ * by a current address read operation. The dummy write operation is used to
+ * load the target byte address into the current byte address counter, from
+ * which the subsequent current address read operation then reads.
+ */
+static int ft260_i2c_write_read(struct ft260_device *dev, struct i2c_msg *msgs)
+{
+ int len, ret;
+ u16 left_len = msgs[1].len;
+ u8 *read_buf = msgs[1].buf;
+ u8 addr = msgs[0].addr;
+ u16 read_off = 0;
+ struct hid_device *hdev = dev->hdev;
+
+ if (msgs[0].len > 2) {
+ hid_err(hdev, "%s: unsupported wr len: %d\n", __func__,
+ msgs[0].len);
+ return -EOPNOTSUPP;
+ }
+
+ memcpy(&read_off, msgs[0].buf, msgs[0].len);
+
+ do {
+ if (left_len <= FT260_RD_DATA_MAX)
+ len = left_len;
+ else
+ len = FT260_RD_DATA_MAX;
+
+ ft260_dbg("read_off %#x left_len %d len %d\n", read_off,
+ left_len, len);
+
+ ret = ft260_i2c_write(dev, addr, (u8 *)&read_off, msgs[0].len,
+ FT260_FLAG_START);
+ if (ret < 0)
+ return ret;
+
+ ret = ft260_i2c_read(dev, addr, read_buf, len,
+ FT260_FLAG_START_STOP);
+ if (ret < 0)
+ return ret;
+
+ left_len -= len;
+ read_buf += len;
+ read_off += len;
+
+ } while (left_len > 0);
+
+ return 0;
+}
+
+static int ft260_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
+ int num)
+{
+ int ret;
+ struct ft260_device *dev = i2c_get_adapdata(adapter);
+ struct hid_device *hdev = dev->hdev;
+
+ mutex_lock(&dev->lock);
+
+ ret = hid_hw_power(hdev, PM_HINT_FULLON);
+ if (ret < 0) {
+ hid_err(hdev, "failed to enter FULLON power mode: %d\n", ret);
+ mutex_unlock(&dev->lock);
+ return ret;
+ }
+
+ if (num == 1) {
+ if (msgs->flags & I2C_M_RD)
+ ret = ft260_i2c_read(dev, msgs->addr, msgs->buf,
+ msgs->len, FT260_FLAG_START_STOP);
+ else
+ ret = ft260_i2c_write(dev, msgs->addr, msgs->buf,
+ msgs->len, FT260_FLAG_START_STOP);
+ if (ret < 0)
+ goto i2c_exit;
+
+ } else {
+ /* Combined write then read message */
+ ret = ft260_i2c_write_read(dev, msgs);
+ if (ret < 0)
+ goto i2c_exit;
+ }
+
+ ret = num;
+i2c_exit:
+ hid_hw_power(hdev, PM_HINT_NORMAL);
+ mutex_unlock(&dev->lock);
+ return ret;
+}
+
+static int ft260_smbus_xfer(struct i2c_adapter *adapter, u16 addr, u16 flags,
+ char read_write, u8 cmd, int size,
+ union i2c_smbus_data *data)
+{
+ int ret;
+ struct ft260_device *dev = i2c_get_adapdata(adapter);
+ struct hid_device *hdev = dev->hdev;
+
+ ft260_dbg("smbus size %d\n", size);
+
+ mutex_lock(&dev->lock);
+
+ ret = hid_hw_power(hdev, PM_HINT_FULLON);
+ if (ret < 0) {
+ hid_err(hdev, "power management error: %d\n", ret);
+ mutex_unlock(&dev->lock);
+ return ret;
+ }
+
+ switch (size) {
+ case I2C_SMBUS_QUICK:
+ if (read_write == I2C_SMBUS_READ)
+ ret = ft260_i2c_read(dev, addr, &data->byte, 0,
+ FT260_FLAG_START_STOP);
+ else
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START_STOP);
+ break;
+ case I2C_SMBUS_BYTE:
+ if (read_write == I2C_SMBUS_READ)
+ ret = ft260_i2c_read(dev, addr, &data->byte, 1,
+ FT260_FLAG_START_STOP);
+ else
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START_STOP);
+ break;
+ case I2C_SMBUS_BYTE_DATA:
+ if (read_write == I2C_SMBUS_READ) {
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START);
+ if (ret)
+ goto smbus_exit;
+
+ ret = ft260_i2c_read(dev, addr, &data->byte, 1,
+ FT260_FLAG_START_STOP_REPEATED);
+ } else {
+ ret = ft260_smbus_write(dev, addr, cmd, &data->byte, 1,
+ FT260_FLAG_START_STOP);
+ }
+ break;
+ case I2C_SMBUS_WORD_DATA:
+ if (read_write == I2C_SMBUS_READ) {
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START);
+ if (ret)
+ goto smbus_exit;
+
+ ret = ft260_i2c_read(dev, addr, (u8 *)&data->word, 2,
+ FT260_FLAG_START_STOP_REPEATED);
+ } else {
+ ret = ft260_smbus_write(dev, addr, cmd,
+ (u8 *)&data->word, 2,
+ FT260_FLAG_START_STOP);
+ }
+ break;
+ case I2C_SMBUS_BLOCK_DATA:
+ if (read_write == I2C_SMBUS_READ) {
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START);
+ if (ret)
+ goto smbus_exit;
+
+ ret = ft260_i2c_read(dev, addr, data->block,
+ data->block[0] + 1,
+ FT260_FLAG_START_STOP_REPEATED);
+ } else {
+ ret = ft260_smbus_write(dev, addr, cmd, data->block,
+ data->block[0] + 1,
+ FT260_FLAG_START_STOP);
+ }
+ break;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ if (read_write == I2C_SMBUS_READ) {
+ ret = ft260_smbus_write(dev, addr, cmd, NULL, 0,
+ FT260_FLAG_START);
+ if (ret)
+ goto smbus_exit;
+
+ ret = ft260_i2c_read(dev, addr, data->block + 1,
+ data->block[0],
+ FT260_FLAG_START_STOP_REPEATED);
+ } else {
+ ret = ft260_smbus_write(dev, addr, cmd, data->block + 1,
+ data->block[0],
+ FT260_FLAG_START_STOP);
+ }
+ break;
+ default:
+ hid_err(hdev, "unsupported smbus transaction size %d\n", size);
+ ret = -EOPNOTSUPP;
+ }
+
+smbus_exit:
+ hid_hw_power(hdev, PM_HINT_NORMAL);
+ mutex_unlock(&dev->lock);
+ return ret;
+}
+
+static u32 ft260_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_QUICK |
+ I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
+ I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_I2C_BLOCK;
+}
+
+static const struct i2c_adapter_quirks ft260_i2c_quirks = {
+ .flags = I2C_AQ_COMB_WRITE_THEN_READ,
+ .max_comb_1st_msg_len = 2,
+};
+
+static const struct i2c_algorithm ft260_i2c_algo = {
+ .master_xfer = ft260_i2c_xfer,
+ .smbus_xfer = ft260_smbus_xfer,
+ .functionality = ft260_functionality,
+};
+
+static int ft260_get_system_config(struct hid_device *hdev,
+ struct ft260_get_system_status_report *cfg)
+{
+ int ret;
+ int len = sizeof(struct ft260_get_system_status_report);
+
+ ret = ft260_hid_feature_report_get(hdev, FT260_SYSTEM_SETTINGS,
+ (u8 *)cfg, len);
+ if (ret != len) {
+ hid_err(hdev, "failed to retrieve system status\n");
+ if (ret >= 0)
+ return -EIO;
+ }
+ return 0;
+}
+
+static int ft260_is_interface_enabled(struct hid_device *hdev)
+{
+ struct ft260_get_system_status_report cfg;
+ struct usb_interface *usbif = to_usb_interface(hdev->dev.parent);
+ int interface = usbif->cur_altsetting->desc.bInterfaceNumber;
+ int ret;
+
+ ret = ft260_get_system_config(hdev, &cfg);
+ if (ret)
+ return ret;
+
+ ft260_dbg("interface: 0x%02x\n", interface);
+ ft260_dbg("chip mode: 0x%02x\n", cfg.chip_mode);
+ ft260_dbg("clock_ctl: 0x%02x\n", cfg.clock_ctl);
+ ft260_dbg("i2c_enable: 0x%02x\n", cfg.i2c_enable);
+ ft260_dbg("uart_mode: 0x%02x\n", cfg.uart_mode);
+
+ switch (cfg.chip_mode) {
+ case FT260_MODE_ALL:
+ case FT260_MODE_BOTH:
+ if (interface == 1) {
+ hid_info(hdev, "uart interface is not supported\n");
+ return 0;
+ }
+ ret = 1;
+ break;
+ case FT260_MODE_UART:
+ if (interface == 0) {
+ hid_info(hdev, "uart is unsupported on interface 0\n");
+ ret = 0;
+ }
+ break;
+ case FT260_MODE_I2C:
+ if (interface == 1) {
+ hid_info(hdev, "i2c is unsupported on interface 1\n");
+ ret = 0;
+ }
+ break;
+ }
+ return ret;
+}
+
+static int ft260_byte_show(struct hid_device *hdev, int id, u8 *cfg, int len,
+ u8 *field, u8 *buf)
+{
+ int ret;
+
+ ret = ft260_hid_feature_report_get(hdev, id, cfg, len);
+ if (ret != len && ret >= 0)
+ return -EIO;
+
+ return scnprintf(buf, PAGE_SIZE, "%hi\n", *field);
+}
+
+static int ft260_word_show(struct hid_device *hdev, int id, u8 *cfg, int len,
+ u16 *field, u8 *buf)
+{
+ int ret;
+
+ ret = ft260_hid_feature_report_get(hdev, id, cfg, len);
+ if (ret != len && ret >= 0)
+ return -EIO;
+
+ return scnprintf(buf, PAGE_SIZE, "%hi\n", le16_to_cpu(*field));
+}
+
+#define FT260_ATTR_SHOW(name, reptype, id, type, func) \
+ static ssize_t name##_show(struct device *kdev, \
+ struct device_attribute *attr, char *buf) \
+ { \
+ struct reptype rep; \
+ struct hid_device *hdev = to_hid_device(kdev); \
+ type *field = &rep.name; \
+ int len = sizeof(rep); \
+ \
+ return func(hdev, id, (u8 *)&rep, len, field, buf); \
+ }
+
+#define FT260_SSTAT_ATTR_SHOW(name) \
+ FT260_ATTR_SHOW(name, ft260_get_system_status_report, \
+ FT260_SYSTEM_SETTINGS, u8, ft260_byte_show)
+
+#define FT260_I2CST_ATTR_SHOW(name) \
+ FT260_ATTR_SHOW(name, ft260_get_i2c_status_report, \
+ FT260_I2C_STATUS, u16, ft260_word_show)
+
+#define FT260_ATTR_STORE(name, reptype, id, req, type, func) \
+ static ssize_t name##_store(struct device *kdev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
+ { \
+ struct reptype rep; \
+ struct hid_device *hdev = to_hid_device(kdev); \
+ type name; \
+ int ret; \
+ \
+ if (!func(buf, 10, &name)) { \
+ rep.name = name; \
+ rep.report = id; \
+ rep.request = req; \
+ ret = ft260_hid_feature_report_set(hdev, (u8 *)&rep, \
+ sizeof(rep)); \
+ if (!ret) \
+ ret = count; \
+ } else { \
+ ret = -EINVAL; \
+ } \
+ return ret; \
+ }
+
+#define FT260_BYTE_ATTR_STORE(name, reptype, req) \
+ FT260_ATTR_STORE(name, reptype, FT260_SYSTEM_SETTINGS, req, \
+ u8, kstrtou8)
+
+#define FT260_WORD_ATTR_STORE(name, reptype, req) \
+ FT260_ATTR_STORE(name, reptype, FT260_SYSTEM_SETTINGS, req, \
+ u16, kstrtou16)
+
+FT260_SSTAT_ATTR_SHOW(chip_mode);
+static DEVICE_ATTR_RO(chip_mode);
+
+FT260_SSTAT_ATTR_SHOW(pwren_status);
+static DEVICE_ATTR_RO(pwren_status);
+
+FT260_SSTAT_ATTR_SHOW(suspend_status);
+static DEVICE_ATTR_RO(suspend_status);
+
+FT260_SSTAT_ATTR_SHOW(hid_over_i2c_en);
+static DEVICE_ATTR_RO(hid_over_i2c_en);
+
+FT260_SSTAT_ATTR_SHOW(power_saving_en);
+static DEVICE_ATTR_RO(power_saving_en);
+
+FT260_SSTAT_ATTR_SHOW(i2c_enable);
+FT260_BYTE_ATTR_STORE(i2c_enable, ft260_set_i2c_mode_report,
+ FT260_SET_I2C_MODE);
+static DEVICE_ATTR_RW(i2c_enable);
+
+FT260_SSTAT_ATTR_SHOW(uart_mode);
+FT260_BYTE_ATTR_STORE(uart_mode, ft260_set_uart_mode_report,
+ FT260_SET_UART_MODE);
+static DEVICE_ATTR_RW(uart_mode);
+
+FT260_SSTAT_ATTR_SHOW(clock_ctl);
+FT260_BYTE_ATTR_STORE(clock_ctl, ft260_set_system_clock_report,
+ FT260_SET_CLOCK);
+static DEVICE_ATTR_RW(clock_ctl);
+
+FT260_I2CST_ATTR_SHOW(clock);
+FT260_WORD_ATTR_STORE(clock, ft260_set_i2c_speed_report,
+ FT260_SET_I2C_CLOCK_SPEED);
+static DEVICE_ATTR_RW(clock);
+
+static ssize_t i2c_reset_store(struct device *kdev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = to_hid_device(kdev);
+ int ret = ft260_i2c_reset(hdev);
+
+ if (ret)
+ return ret;
+ return count;
+}
+static DEVICE_ATTR_WO(i2c_reset);
+
+static const struct attribute_group ft260_attr_group = {
+ .attrs = (struct attribute *[]) {
+ &dev_attr_chip_mode.attr,
+ &dev_attr_pwren_status.attr,
+ &dev_attr_suspend_status.attr,
+ &dev_attr_hid_over_i2c_en.attr,
+ &dev_attr_power_saving_en.attr,
+ &dev_attr_i2c_enable.attr,
+ &dev_attr_uart_mode.attr,
+ &dev_attr_clock_ctl.attr,
+ &dev_attr_i2c_reset.attr,
+ &dev_attr_clock.attr,
+ NULL
+ }
+};
+
+static int ft260_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ struct ft260_device *dev;
+ struct ft260_get_chip_version_report version;
+ int ret;
+
+ dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "failed to parse HID\n");
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+ if (ret) {
+ hid_err(hdev, "failed to start HID HW\n");
+ return ret;
+ }
+
+ ret = hid_hw_open(hdev);
+ if (ret) {
+ hid_err(hdev, "failed to open HID HW\n");
+ goto err_hid_stop;
+ }
+
+ ret = ft260_hid_feature_report_get(hdev, FT260_CHIP_VERSION,
+ (u8 *)&version, sizeof(version));
+ if (ret != sizeof(version)) {
+ hid_err(hdev, "failed to retrieve chip version\n");
+ if (ret >= 0)
+ ret = -EIO;
+ goto err_hid_close;
+ }
+
+ hid_info(hdev, "chip code: %02x%02x %02x%02x\n",
+ version.chip_code[0], version.chip_code[1],
+ version.chip_code[2], version.chip_code[3]);
+
+ ret = ft260_is_interface_enabled(hdev);
+ if (ret <= 0)
+ goto err_hid_close;
+
+ hid_set_drvdata(hdev, dev);
+ dev->hdev = hdev;
+ dev->adap.owner = THIS_MODULE;
+ dev->adap.class = I2C_CLASS_HWMON;
+ dev->adap.algo = &ft260_i2c_algo;
+ dev->adap.quirks = &ft260_i2c_quirks;
+ dev->adap.dev.parent = &hdev->dev;
+ snprintf(dev->adap.name, sizeof(dev->adap.name),
+ "FT260 usb-i2c bridge on hidraw%d",
+ ((struct hidraw *)hdev->hidraw)->minor);
+
+ mutex_init(&dev->lock);
+ init_completion(&dev->wait);
+
+ ret = i2c_add_adapter(&dev->adap);
+ if (ret) {
+ hid_err(hdev, "failed to add i2c adapter\n");
+ goto err_hid_close;
+ }
+
+ i2c_set_adapdata(&dev->adap, dev);
+
+ ret = sysfs_create_group(&hdev->dev.kobj, &ft260_attr_group);
+ if (ret < 0) {
+ hid_err(hdev, "failed to create sysfs attrs\n");
+ goto err_i2c_free;
+ }
+
+ ret = ft260_xfer_status(dev);
+ if (ret)
+ ft260_i2c_reset(hdev);
+
+ return 0;
+
+err_i2c_free:
+ i2c_del_adapter(&dev->adap);
+err_hid_close:
+ hid_hw_close(hdev);
+err_hid_stop:
+ hid_hw_stop(hdev);
+ return ret;
+}
+
+static void ft260_remove(struct hid_device *hdev)
+{
+ int ret;
+ struct ft260_device *dev = hid_get_drvdata(hdev);
+
+ ret = ft260_is_interface_enabled(hdev);
+ if (ret <= 0)
+ return;
+
+ sysfs_remove_group(&hdev->dev.kobj, &ft260_attr_group);
+ i2c_del_adapter(&dev->adap);
+
+ hid_hw_close(hdev);
+ hid_hw_stop(hdev);
+}
+
+static int ft260_raw_event(struct hid_device *hdev, struct hid_report *report,
+ u8 *data, int size)
+{
+ struct ft260_device *dev = hid_get_drvdata(hdev);
+ struct ft260_i2c_input_report *xfer = (void *)data;
+
+ if (xfer->report >= FT260_I2C_REPORT_MIN &&
+ xfer->report <= FT260_I2C_REPORT_MAX) {
+ ft260_dbg("i2c resp: rep %#02x len %d\n", xfer->report,
+ xfer->length);
+
+ memcpy(&dev->read_buf[dev->read_idx], &xfer->data,
+ xfer->length);
+ dev->read_idx += xfer->length;
+
+ if (dev->read_idx == dev->read_len)
+ complete(&dev->wait);
+
+ } else {
+ hid_err(hdev, "unknown report: %#02x\n", xfer->report);
+ return 0;
+ }
+ return 1;
+}
+
+static struct hid_driver ft260_driver = {
+ .name = "ft260",
+ .id_table = ft260_devices,
+ .probe = ft260_probe,
+ .remove = ft260_remove,
+ .raw_event = ft260_raw_event,
+};
+
+module_hid_driver(ft260_driver);
+MODULE_DESCRIPTION("FTDI FT260 USB HID to I2C host bridge");
+MODULE_AUTHOR("Michael Zaidman <michael.zaidman@gmail.com>");
+MODULE_LICENSE("GPL v2");
}
static const struct hid_device_id hammer_devices[] = {
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_DON) },
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) },
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2 0x1837
#define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3 0x1822
#define USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD 0x1866
+#define USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2 0x19b6
#define USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD 0x1869
#define USB_VENDOR_ID_ATEN 0x0557
#define USB_VENDOR_ID_FUTURE_TECHNOLOGY 0x0403
#define USB_DEVICE_ID_RETRODE2 0x97c1
+#define USB_DEVICE_ID_FT260 0x6030
#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
#define USB_DEVICE_ID_GOOGLE_MASTERBALL 0x503c
#define USB_DEVICE_ID_GOOGLE_MAGNEMITE 0x503d
#define USB_DEVICE_ID_GOOGLE_MOONBALL 0x5044
+#define USB_DEVICE_ID_GOOGLE_DON 0x5050
#define USB_VENDOR_ID_GOTOP 0x08f2
#define USB_DEVICE_ID_SUPER_Q2 0x007f
#define USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER 0xc51b
#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER 0xc52b
#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER 0xc52f
+#define USB_DEVICE_ID_LOGITECH_G700_RECEIVER 0xc531
#define USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2 0xc532
#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2 0xc534
#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1 0xc539
#define USB_DEVICE_ID_SPACETRAVELLER 0xc623
#define USB_DEVICE_ID_SPACENAVIGATOR 0xc626
#define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704
-#define USB_DEVICE_ID_DINOVO_EDGE 0xc714
-#define USB_DEVICE_ID_DINOVO_MINI 0xc71f
+#define USB_DEVICE_ID_MX5000_RECEIVER_MOUSE_DEV 0xc70a
+#define USB_DEVICE_ID_MX5000_RECEIVER_KBD_DEV 0xc70e
+#define USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_KBD_DEV 0xc713
+#define USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_MOUSE_DEV 0xc714
+#define USB_DEVICE_ID_MX5500_RECEIVER_KBD_DEV 0xc71b
+#define USB_DEVICE_ID_MX5500_RECEIVER_MOUSE_DEV 0xc71c
+#define USB_DEVICE_ID_DINOVO_MINI_RECEIVER_KBD_DEV 0xc71e
+#define USB_DEVICE_ID_DINOVO_MINI_RECEIVER_MOUSE_DEV 0xc71f
#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2 0xca03
#define USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL 0xca04
#include "hid-ids.h"
+/* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
+#define LENOVO_KEY_MICMUTE KEY_F20
+
struct lenovo_drvdata {
u8 led_report[3]; /* Must be first for proper alignment */
int led_state;
#define TP10UBKBD_LED_OFF 1
#define TP10UBKBD_LED_ON 2
-static void lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
- enum led_brightness value)
+static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
+ enum led_brightness value)
{
struct lenovo_drvdata *data = hid_get_drvdata(hdev);
int ret;
data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF;
ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3,
HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
- if (ret)
- hid_err(hdev, "Set LED output report error: %d\n", ret);
+ if (ret != 3) {
+ if (ret != -ENODEV)
+ hid_err(hdev, "Set LED output report error: %d\n", ret);
+
+ ret = ret < 0 ? ret : -EIO;
+ } else {
+ ret = 0;
+ }
mutex_unlock(&data->led_report_mutex);
+
+ return ret;
}
static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work)
if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
/* This sub-device contains trackpoint, mark it */
hid_set_drvdata(hdev, (void *)1);
- map_key_clear(KEY_MICMUTE);
+ map_key_clear(LENOVO_KEY_MICMUTE);
return 1;
}
return 0;
(usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
switch (usage->hid & HID_USAGE) {
case 0x00f1: /* Fn-F4: Mic mute */
- map_key_clear(KEY_MICMUTE);
+ map_key_clear(LENOVO_KEY_MICMUTE);
return 1;
case 0x00f2: /* Fn-F5: Brightness down */
map_key_clear(KEY_BRIGHTNESSDOWN);
map_key_clear(KEY_FN_ESC);
return 1;
case 9: /* Fn-F4: Mic mute */
- map_key_clear(KEY_MICMUTE);
+ map_key_clear(LENOVO_KEY_MICMUTE);
return 1;
case 10: /* Fn-F7: Control panel */
map_key_clear(KEY_CONFIG);
return 0;
}
+static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field,
+ struct hid_usage *usage, unsigned long **bit, int *max)
+{
+ /*
+ * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for
+ * a bunch of keys which have no standard consumer page code.
+ */
+ if (usage->hid == 0x000c0001) {
+ switch (usage->usage_index) {
+ case 0: /* Fn-F10: Enable/disable bluetooth */
+ map_key_clear(KEY_BLUETOOTH);
+ return 1;
+ case 1: /* Fn-F11: Keyboard settings */
+ map_key_clear(KEY_KEYBOARD);
+ return 1;
+ case 2: /* Fn-F12: User function / Cortana */
+ map_key_clear(KEY_MACRO1);
+ return 1;
+ case 3: /* Fn-PrtSc: Snipping tool */
+ map_key_clear(KEY_SELECTIVE_SCREENSHOT);
+ return 1;
+ case 8: /* Fn-Esc: Fn-lock toggle */
+ map_key_clear(KEY_FN_ESC);
+ return 1;
+ case 9: /* Fn-F4: Mute/unmute microphone */
+ map_key_clear(KEY_MICMUTE);
+ return 1;
+ case 10: /* Fn-F9: Settings */
+ map_key_clear(KEY_CONFIG);
+ return 1;
+ case 13: /* Fn-F7: Manage external displays */
+ map_key_clear(KEY_SWITCHVIDEOMODE);
+ return 1;
+ case 14: /* Fn-F8: Enable/disable wifi */
+ map_key_clear(KEY_WLAN);
+ return 1;
+ }
+ }
+
+ if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) {
+ map_key_clear(KEY_SYSRQ);
+ return 1;
+ }
+
+ return 0;
+}
+
static int lenovo_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
usage, bit, max);
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
default:
return 0;
}
{
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data = hid_get_drvdata(hdev);
- int value;
+ int value, ret;
if (kstrtoint(buf, 10, &value))
return -EINVAL;
lenovo_features_set_cptkbd(hdev);
break;
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
- lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
+ if (ret)
+ return ret;
break;
}
static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
+ if (!hid_get_drvdata(hdev))
+ return 0;
+
switch (hdev->product) {
case USB_DEVICE_ID_LENOVO_CUSBKBD:
case USB_DEVICE_ID_LENOVO_CBTKBD:
return lenovo_event_cptkbd(hdev, field, usage, value);
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
return lenovo_event_tp10ubkbd(hdev, field, usage, value);
default:
return 0;
hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
}
-static enum led_brightness lenovo_led_brightness_get(
- struct led_classdev *led_cdev)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hdev = to_hid_device(dev);
- struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- int led_nr = 0;
-
- if (led_cdev == &data_pointer->led_micmute)
- led_nr = 1;
-
- return data_pointer->led_state & (1 << led_nr)
- ? LED_FULL
- : LED_OFF;
-}
-
-static void lenovo_led_brightness_set(struct led_classdev *led_cdev,
+static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct device *dev = led_cdev->dev->parent;
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED };
int led_nr = 0;
+ int ret = 0;
if (led_cdev == &data_pointer->led_micmute)
led_nr = 1;
lenovo_led_set_tpkbd(hdev);
break;
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
- lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
+ ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
break;
}
+
+ return ret;
}
static int lenovo_register_leds(struct hid_device *hdev)
snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev));
data->led_mute.name = name_mute;
- data->led_mute.brightness_get = lenovo_led_brightness_get;
- data->led_mute.brightness_set = lenovo_led_brightness_set;
+ data->led_mute.default_trigger = "audio-mute";
+ data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
+ data->led_mute.max_brightness = 1;
+ data->led_mute.flags = LED_HW_PLUGGABLE;
data->led_mute.dev = &hdev->dev;
ret = led_classdev_register(&hdev->dev, &data->led_mute);
if (ret < 0)
return ret;
data->led_micmute.name = name_micm;
- data->led_micmute.brightness_get = lenovo_led_brightness_get;
- data->led_micmute.brightness_set = lenovo_led_brightness_set;
+ data->led_micmute.default_trigger = "audio-micmute";
+ data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
+ data->led_micmute.max_brightness = 1;
+ data->led_micmute.flags = LED_HW_PLUGGABLE;
data->led_micmute.dev = &hdev->dev;
ret = led_classdev_register(&hdev->dev, &data->led_micmute);
if (ret < 0) {
static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
{
+ struct hid_report_enum *rep_enum;
struct lenovo_drvdata *data;
+ struct hid_report *rep;
+ bool found;
int ret;
- /* All the custom action happens on the USBMOUSE device for USB */
- if (hdev->type != HID_TYPE_USBMOUSE)
+ /*
+ * The LEDs and the Fn-lock functionality use output report 9,
+ * with an application of 0xffa0001, add the LEDs on the interface
+ * with this output report.
+ */
+ found = false;
+ rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
+ list_for_each_entry(rep, &rep_enum->report_list, list) {
+ if (rep->application == 0xffa00001)
+ found = true;
+ }
+ if (!found)
return 0;
data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL);
ret = lenovo_probe_cptkbd(hdev);
break;
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
ret = lenovo_probe_tp10ubkbd(hdev);
break;
default:
lenovo_remove_cptkbd(hdev);
break;
case USB_DEVICE_ID_LENOVO_TP10UBKBD:
+ case USB_DEVICE_ID_LENOVO_X1_TAB:
lenovo_remove_tp10ubkbd(hdev);
break;
}
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) },
+ /*
+ * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
+ * part, while letting hid-multitouch.c handle the touchpad and trackpoint.
+ */
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
{ }
};
return 1;
}
-static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
- unsigned long **bit, int *max)
-{
- if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
- return 0;
-
- switch (usage->hid & HID_USAGE) {
-
- case 0x00d: lg_map_key_clear(KEY_MEDIA); break;
- default:
- return 0;
-
- }
- return 1;
-}
-
static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
unsigned long **bit, int *max)
{
lg_ultrax_remote_mapping(hi, usage, bit, max))
return 1;
- if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
- lg_dinovo_mapping(hi, usage, bit, max))
- return 1;
-
if ((drv_data->quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
return 1;
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
.driver_data = LG_DUPLICATE_USAGES },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
- .driver_data = LG_DUPLICATE_USAGES },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
- .driver_data = LG_DUPLICATE_USAGES },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
.driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
#define STD_MOUSE BIT(2)
#define MULTIMEDIA BIT(3)
#define POWER_KEYS BIT(4)
+#define KBD_MOUSE BIT(5)
#define MEDIA_CENTER BIT(8)
#define KBD_LEDS BIT(14)
/* Fake (bitnr > NUMBER_OF_HID_REPORTS) bit to track HID++ capability */
recvr_type_mouse_only,
recvr_type_27mhz,
recvr_type_bluetooth,
+ recvr_type_dinovo,
};
struct dj_report {
0xC0, /* END_COLLECTION */
};
+/* Mouse descriptor (5) for Bluetooth receiver, normal-res hwheel, 8 buttons */
+static const char mse5_bluetooth_descriptor[] = {
+ 0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
+ 0x09, 0x02, /* Usage (Mouse) */
+ 0xa1, 0x01, /* Collection (Application) */
+ 0x85, 0x05, /* Report ID (5) */
+ 0x09, 0x01, /* Usage (Pointer) */
+ 0xa1, 0x00, /* Collection (Physical) */
+ 0x05, 0x09, /* Usage Page (Button) */
+ 0x19, 0x01, /* Usage Minimum (1) */
+ 0x29, 0x08, /* Usage Maximum (8) */
+ 0x15, 0x00, /* Logical Minimum (0) */
+ 0x25, 0x01, /* Logical Maximum (1) */
+ 0x95, 0x08, /* Report Count (8) */
+ 0x75, 0x01, /* Report Size (1) */
+ 0x81, 0x02, /* Input (Data,Var,Abs) */
+ 0x05, 0x01, /* Usage Page (Generic Desktop) */
+ 0x16, 0x01, 0xf8, /* Logical Minimum (-2047) */
+ 0x26, 0xff, 0x07, /* Logical Maximum (2047) */
+ 0x75, 0x0c, /* Report Size (12) */
+ 0x95, 0x02, /* Report Count (2) */
+ 0x09, 0x30, /* Usage (X) */
+ 0x09, 0x31, /* Usage (Y) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0x15, 0x81, /* Logical Minimum (-127) */
+ 0x25, 0x7f, /* Logical Maximum (127) */
+ 0x75, 0x08, /* Report Size (8) */
+ 0x95, 0x01, /* Report Count (1) */
+ 0x09, 0x38, /* Usage (Wheel) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0x05, 0x0c, /* Usage Page (Consumer Devices) */
+ 0x0a, 0x38, 0x02, /* Usage (AC Pan) */
+ 0x15, 0x81, /* Logical Minimum (-127) */
+ 0x25, 0x7f, /* Logical Maximum (127) */
+ 0x75, 0x08, /* Report Size (8) */
+ 0x95, 0x01, /* Report Count (1) */
+ 0x81, 0x06, /* Input (Data,Var,Rel) */
+ 0xc0, /* End Collection */
+ 0xc0, /* End Collection */
+};
+
/* Gaming Mouse descriptor (2) */
static const char mse_high_res_descriptor[] = {
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
#define MAX_RDESC_SIZE \
(sizeof(kbd_descriptor) + \
sizeof(mse_bluetooth_descriptor) + \
+ sizeof(mse5_bluetooth_descriptor) + \
sizeof(consumer_descriptor) + \
sizeof(syscontrol_descriptor) + \
sizeof(media_descriptor) + \
static LIST_HEAD(dj_hdev_list);
static DEFINE_MUTEX(dj_hdev_list_lock);
+static bool recvr_type_is_bluetooth(enum recvr_type type)
+{
+ return type == recvr_type_bluetooth || type == recvr_type_dinovo;
+}
+
/*
* dj/HID++ receivers are really a single logical entity, but for BIOS/Windows
* compatibility they have multiple USB interfaces. On HID++ receivers we need
* The bluetooth receiver contains a built-in hub and has separate
* USB-devices for the keyboard and mouse interfaces.
*/
- sep = (type == recvr_type_bluetooth) ? '.' : '/';
+ sep = recvr_type_is_bluetooth(type) ? '.' : '/';
/* Try to find an already-probed interface from the same device */
list_for_each_entry(djrcv_dev, &dj_hdev_list, list) {
* touchpad to work we must also forward mouse input reports to the dj_hiddev
* created for the keyboard (instead of forwarding them to a second paired
* device with a device_type of REPORT_TYPE_MOUSE as we normally would).
+ *
+ * On Dinovo receivers the keyboard's touchpad and an optional paired actual
+ * mouse send separate input reports, INPUT(2) aka STD_MOUSE for the mouse
+ * and INPUT(5) aka KBD_MOUSE for the keyboard's touchpad.
+ *
+ * On MX5x00 receivers (which can also be paired with a Dinovo keyboard)
+ * INPUT(2) is used for both an optional paired actual mouse and for the
+ * keyboard's touchpad.
*/
static const u16 kbd_builtin_touchpad_ids[] = {
0xb309, /* Dinovo Edge */
id = (workitem->quad_id_msb << 8) | workitem->quad_id_lsb;
for (i = 0; i < ARRAY_SIZE(kbd_builtin_touchpad_ids); i++) {
if (id == kbd_builtin_touchpad_ids[i]) {
- workitem->reports_supported |= STD_MOUSE;
+ if (djrcv_dev->type == recvr_type_dinovo)
+ workitem->reports_supported |= KBD_MOUSE;
+ else
+ workitem->reports_supported |= STD_MOUSE;
break;
}
}
else if (djdev->dj_receiver_dev->type == recvr_type_27mhz)
rdcat(rdesc, &rsize, mse_27mhz_descriptor,
sizeof(mse_27mhz_descriptor));
- else if (djdev->dj_receiver_dev->type == recvr_type_bluetooth)
+ else if (recvr_type_is_bluetooth(djdev->dj_receiver_dev->type))
rdcat(rdesc, &rsize, mse_bluetooth_descriptor,
sizeof(mse_bluetooth_descriptor));
else
sizeof(mse_descriptor));
}
+ if (djdev->reports_supported & KBD_MOUSE) {
+ dbg_hid("%s: sending a kbd-mouse descriptor, reports_supported: %llx\n",
+ __func__, djdev->reports_supported);
+ rdcat(rdesc, &rsize, mse5_bluetooth_descriptor,
+ sizeof(mse5_bluetooth_descriptor));
+ }
+
if (djdev->reports_supported & MULTIMEDIA) {
dbg_hid("%s: sending a multimedia report descriptor: %llx\n",
__func__, djdev->reports_supported);
case recvr_type_mouse_only: no_dj_interfaces = 2; break;
case recvr_type_27mhz: no_dj_interfaces = 2; break;
case recvr_type_bluetooth: no_dj_interfaces = 2; break;
+ case recvr_type_dinovo: no_dj_interfaces = 2; break;
}
if (hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
intf = to_usb_interface(hdev->dev.parent);
}
static const struct hid_device_id logi_dj_receivers[] = {
- {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ { /* Logitech unifying receiver (0xc52b) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER),
.driver_data = recvr_type_dj},
- {HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ { /* Logitech unifying receiver (0xc532) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2),
.driver_data = recvr_type_dj},
- { /* Logitech Nano mouse only receiver */
+
+ { /* Logitech Nano mouse only receiver (0xc52f) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER),
.driver_data = recvr_type_mouse_only},
- { /* Logitech Nano (non DJ) receiver */
+ { /* Logitech Nano (non DJ) receiver (0xc534) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2),
.driver_data = recvr_type_hidpp},
+
{ /* Logitech G700(s) receiver (0xc531) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- 0xc531),
+ USB_DEVICE_ID_LOGITECH_G700_RECEIVER),
.driver_data = recvr_type_gaming_hidpp},
{ /* Logitech G602 receiver (0xc537) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1),
.driver_data = recvr_type_gaming_hidpp},
+ { /* Logitech powerplay receiver (0xc53a) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY),
+ .driver_data = recvr_type_gaming_hidpp},
{ /* Logitech lightspeed receiver (0xc53f) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1),
.driver_data = recvr_type_gaming_hidpp},
+
{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
.driver_data = recvr_type_27mhz},
- { /* Logitech powerplay receiver (0xc53a) */
- HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY),
- .driver_data = recvr_type_gaming_hidpp},
{ /* Logitech 27 MHz HID++ 1.0 receiver (0xc517) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_S510_RECEIVER_2),
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_27MHZ_MOUSE_RECEIVER),
.driver_data = recvr_type_27mhz},
- { /* Logitech MX5000 HID++ / bluetooth receiver keyboard intf. */
+
+ { /* Logitech MX5000 HID++ / bluetooth receiver keyboard intf. (0xc70e) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- 0xc70e),
+ USB_DEVICE_ID_MX5000_RECEIVER_KBD_DEV),
.driver_data = recvr_type_bluetooth},
- { /* Logitech MX5000 HID++ / bluetooth receiver mouse intf. */
+ { /* Logitech MX5000 HID++ / bluetooth receiver mouse intf. (0xc70a) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- 0xc70a),
+ USB_DEVICE_ID_MX5000_RECEIVER_MOUSE_DEV),
.driver_data = recvr_type_bluetooth},
- { /* Logitech MX5500 HID++ / bluetooth receiver keyboard intf. */
+ { /* Logitech MX5500 HID++ / bluetooth receiver keyboard intf. (0xc71b) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- 0xc71b),
+ USB_DEVICE_ID_MX5500_RECEIVER_KBD_DEV),
.driver_data = recvr_type_bluetooth},
- { /* Logitech MX5500 HID++ / bluetooth receiver mouse intf. */
+ { /* Logitech MX5500 HID++ / bluetooth receiver mouse intf. (0xc71c) */
HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
- 0xc71c),
+ USB_DEVICE_ID_MX5500_RECEIVER_MOUSE_DEV),
.driver_data = recvr_type_bluetooth},
+
+ { /* Logitech Dinovo Edge HID++ / bluetooth receiver keyboard intf. (0xc713) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_KBD_DEV),
+ .driver_data = recvr_type_dinovo},
+ { /* Logitech Dinovo Edge HID++ / bluetooth receiver mouse intf. (0xc714) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_DINOVO_EDGE_RECEIVER_MOUSE_DEV),
+ .driver_data = recvr_type_dinovo},
+ { /* Logitech DiNovo Mini HID++ / bluetooth receiver mouse intf. (0xc71e) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_DINOVO_MINI_RECEIVER_KBD_DEV),
+ .driver_data = recvr_type_dinovo},
+ { /* Logitech DiNovo Mini HID++ / bluetooth receiver keyboard intf. (0xc71f) */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_DINOVO_MINI_RECEIVER_MOUSE_DEV),
+ .driver_data = recvr_type_dinovo},
{}
};
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pm.h>
+#include <linux/uuid.h>
#include "i2c-hid.h"
struct i2c_hid_acpi {
struct i2chid_ops ops;
- struct i2c_client *client;
+ struct acpi_device *adev;
};
static const struct acpi_device_id i2c_hid_acpi_blacklist[] = {
{ },
};
-static int i2c_hid_acpi_get_descriptor(struct i2c_client *client)
+/* HID I²C Device: 3cdff6f7-4267-4555-ad05-b30a3d8938de */
+static guid_t i2c_hid_guid =
+ GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555,
+ 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE);
+
+static int i2c_hid_acpi_get_descriptor(struct acpi_device *adev)
{
- static guid_t i2c_hid_guid =
- GUID_INIT(0x3CDFF6F7, 0x4267, 0x4555,
- 0xAD, 0x05, 0xB3, 0x0A, 0x3D, 0x89, 0x38, 0xDE);
+ acpi_handle handle = acpi_device_handle(adev);
union acpi_object *obj;
- struct acpi_device *adev;
- acpi_handle handle;
u16 hid_descriptor_address;
- handle = ACPI_HANDLE(&client->dev);
- if (!handle || acpi_bus_get_device(handle, &adev)) {
- dev_err(&client->dev, "Error could not get ACPI device\n");
- return -ENODEV;
- }
-
if (acpi_match_device_ids(adev, i2c_hid_acpi_blacklist) == 0)
return -ENODEV;
obj = acpi_evaluate_dsm_typed(handle, &i2c_hid_guid, 1, 1, NULL,
ACPI_TYPE_INTEGER);
if (!obj) {
- dev_err(&client->dev, "Error _DSM call to get HID descriptor address failed\n");
+ acpi_handle_err(handle, "Error _DSM call to get HID descriptor address failed\n");
return -ENODEV;
}
static void i2c_hid_acpi_shutdown_tail(struct i2chid_ops *ops)
{
- struct i2c_hid_acpi *ihid_acpi =
- container_of(ops, struct i2c_hid_acpi, ops);
- struct device *dev = &ihid_acpi->client->dev;
- acpi_device_set_power(ACPI_COMPANION(dev), ACPI_STATE_D3_COLD);
+ struct i2c_hid_acpi *ihid_acpi = container_of(ops, struct i2c_hid_acpi, ops);
+
+ acpi_device_set_power(ihid_acpi->adev, ACPI_STATE_D3_COLD);
}
-static int i2c_hid_acpi_probe(struct i2c_client *client,
- const struct i2c_device_id *dev_id)
+static int i2c_hid_acpi_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct i2c_hid_acpi *ihid_acpi;
u16 hid_descriptor_address;
int ret;
+ adev = ACPI_COMPANION(dev);
+ if (!adev) {
+ dev_err(&client->dev, "Error could not get ACPI device\n");
+ return -ENODEV;
+ }
+
ihid_acpi = devm_kzalloc(&client->dev, sizeof(*ihid_acpi), GFP_KERNEL);
if (!ihid_acpi)
return -ENOMEM;
- ihid_acpi->client = client;
+ ihid_acpi->adev = adev;
ihid_acpi->ops.shutdown_tail = i2c_hid_acpi_shutdown_tail;
- ret = i2c_hid_acpi_get_descriptor(client);
+ ret = i2c_hid_acpi_get_descriptor(adev);
if (ret < 0)
return ret;
hid_descriptor_address = ret;
- adev = ACPI_COMPANION(dev);
- if (adev)
- acpi_device_fix_up_power(adev);
+ acpi_device_fix_up_power(adev);
if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
device_set_wakeup_capable(dev, true);
.name = "i2c_hid_acpi",
.pm = &i2c_hid_core_pm,
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
- .acpi_match_table = ACPI_PTR(i2c_hid_acpi_match),
+ .acpi_match_table = i2c_hid_acpi_match,
},
- .probe = i2c_hid_acpi_probe,
+ .probe_new = i2c_hid_acpi_probe,
.remove = i2c_hid_core_remove,
.shutdown = i2c_hid_core_shutdown,
};
break;
if (i == hid->maxcollection)
- return -1;
+ return -EINVAL;
}
if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
- return -1;
+ return -ENOMEM;
init_waitqueue_head(&hiddev->wait);
INIT_LIST_HEAD(&hiddev->list);
hid_err(hid, "Not able to get a minor for this device\n");
hid->hiddev = NULL;
kfree(hiddev);
- return -1;
+ return retval;
}
/*
!wacom_wac->shared->is_touch_on) {
if (!wacom_wac->shared->touch_down)
return;
- prox = 0;
+ prox = false;
}
wacom_wac->hid_data.num_received++;
{
struct wacom_features *features = &wacom_wac->features;
- input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-
if (!(features->device_type & WACOM_DEVICETYPE_PEN))
return -ENODEV;
return 0;
}
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
__set_bit(BTN_TOUCH, input_dev->keybit);
__set_bit(ABS_MISC, input_dev->absbit);
{
struct wacom_features *features = &wacom_wac->features;
- input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-
if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
return -ENODEV;
/* setup has already been done */
return 0;
+ input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
__set_bit(BTN_TOUCH, input_dev->keybit);
if (features->touch_max == 1) {
projects / linux-2.6-microblaze.git / commitdiff