From 96e5e11ce3c507e48908950a2046035254fb8fef Mon Sep 17 00:00:00 2001 From: Zhou weixin Date: Tue, 10 Jan 2017 11:15:25 +0800 Subject: [PATCH] HID: hid-alps: add alps hid support Change-Id: Id3eba69f18f0f6f3548a4be0430fee3ce8cce021 Signed-off-by: Zhou weixin --- drivers/hid/Kconfig | 7 + drivers/hid/Makefile | 1 + drivers/hid/hid-alps.c | 783 +++++++++++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 3 + drivers/hid/hid-ids.h | 5 + 5 files changed, 799 insertions(+) create mode 100644 drivers/hid/hid-alps.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 187c3d6a3f9d..57d707ca605e 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -927,6 +927,13 @@ config HID_RKVR Support for RKVR devices. Say Y here if you have a RKVR device. +config HID_ALPS + tristate "ALPS device support" + depends on I2C_HID + ---help--- + Support for ALPS devices. + Say Y here if you have a ALPS device. + endmenu endif # HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index e0985302c686..1c902dad721f 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -105,6 +105,7 @@ obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o obj-$(CONFIG_HID_SENSOR_CUSTOM_SENSOR) += hid-sensor-custom.o obj-$(CONFIG_HID_RKVR) += hid-rkvr.o +obj-$(CONFIG_HID_ALPS) += hid-alps.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c new file mode 100644 index 000000000000..7a45231ef6aa --- /dev/null +++ b/drivers/hid/hid-alps.c @@ -0,0 +1,783 @@ +/* + * Copyright (c) 2016 Masaki Ota + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include +#include +#include +#include "hid-ids.h" + +/* ALPS Device Product ID */ +#define HID_PRODUCT_ID_T3_BTNLESS 0xD0C0 +#define HID_PRODUCT_ID_COSMO 0x1202 +#define HID_PRODUCT_ID_U1_PTP_1 0x1207 +#define HID_PRODUCT_ID_U1 0x1209 +#define HID_PRODUCT_ID_U1_PTP_2 0x120A +#define HID_PRODUCT_ID_U1_DUAL 0x120B +#define HID_PRODUCT_ID_T4_BTNLESS 0x120C + +#define DEV_SINGLEPOINT 0x01 +#define DEV_DUALPOINT 0x02 + +#define U1_MOUSE_REPORT_ID 0x01 /* Mouse data ReportID */ +#define U1_ABSOLUTE_REPORT_ID 0x03 /* Absolute data ReportID */ +#define U1_FEATURE_REPORT_ID 0x05 /* Feature ReportID */ +#define U1_SP_ABSOLUTE_REPORT_ID 0x06 /* Feature ReportID */ + +#define U1_FEATURE_REPORT_LEN 0x08 /* Feature Report Length */ +#define U1_FEATURE_REPORT_LEN_ALL 0x0A +#define U1_CMD_REGISTER_READ 0xD1 +#define U1_CMD_REGISTER_WRITE 0xD2 + +#define U1_DEVTYPE_SP_SUPPORT 0x10 /* SP Support */ +#define U1_DISABLE_DEV 0x01 +#define U1_TP_ABS_MODE 0x02 +#define U1_SP_ABS_MODE 0x80 + +#define ADDRESS_U1_DEV_CTRL_1 0x00800040 +#define ADDRESS_U1_DEVICE_TYP 0x00800043 +#define ADDRESS_U1_NUM_SENS_X 0x00800047 +#define ADDRESS_U1_NUM_SENS_Y 0x00800048 +#define ADDRESS_U1_PITCH_SENS_X 0x00800049 +#define ADDRESS_U1_PITCH_SENS_Y 0x0080004A +#define ADDRESS_U1_RESO_DWN_ABS 0x0080004E +#define ADDRESS_U1_PAD_BTN 0x00800052 +#define ADDRESS_U1_SP_BTN 0x0080009F + +#define T4_INPUT_REPORT_LEN sizeof(T4_INPUT_REPORT) +#define T4_FEATURE_REPORT_LEN T4_INPUT_REPORT_LEN +#define T4_FEATURE_REPORT_ID 7 +#define T4_CMD_REGISTER_READ 0x08 +#define T4_CMD_REGISTER_WRITE 0x07 + +#define T4_ADDRESS_BASE 0xC2C0 +#define PRM_SYS_CONFIG_1 (T4_ADDRESS_BASE + 0x0002) +#define T4_PRM_FEED_CONFIG_1 (T4_ADDRESS_BASE + 0x0004) +#define T4_PRM_FEED_CONFIG_4 (T4_ADDRESS_BASE + 0x001A) +#define T4_PRM_ID_CONFIG_3 (T4_ADDRESS_BASE + 0x00B0) + +#define T4_FEEDCFG4_ADVANCED_ABS_ENABLE 0x01 +#define T4_I2C_ABS 0x78 + +#define T4_COUNT_PER_ELECTRODE 256 +#define MAX_TOUCHES 5 + +typedef enum { + U1, + T4, + UNKNOWN, +} DEV_TYPE; +/** + * struct u1_data + * + * @input: pointer to the kernel input device + * @input2: pointer to the kernel input2 device + * @hdev: pointer to the struct hid_device + * + * @dev_type: device type + * @max_fingers: total number of fingers + * @has_sp: boolean of sp existense + * @sp_btn_info: button information + * @x_active_len_mm: active area length of X (mm) + * @y_active_len_mm: active area length of Y (mm) + * @x_max: maximum x coordinate value + * @y_max: maximum y coordinate value + * @x_min: minimum x coordinate value + * @y_min: minimum y coordinate value + * @btn_cnt: number of buttons + * @sp_btn_cnt: number of stick buttons + */ +struct alps_dev { + struct input_dev *input; + struct input_dev *input2; + struct hid_device *hdev; + + DEV_TYPE dev_type; + u8 max_fingers; + u8 has_sp; + u8 sp_btn_info; + u32 x_active_len_mm; + u32 y_active_len_mm; + u32 x_max; + u32 y_max; + u32 x_min; + u32 y_min; + u32 btn_cnt; + u32 sp_btn_cnt; +}; + +typedef struct _T4_CONTACT_DATA { + u8 Palm; + u8 x_lo; + u8 x_hi; + u8 y_lo; + u8 y_hi; +} T4_CONTACT_DATA, *PT4_CONTACT_DATA; + +typedef struct _T4_INPUT_REPORT { + u8 ReportID; + u8 NumContacts; + T4_CONTACT_DATA Contact[5]; + u8 Button; + u8 Track[5]; + u8 ZX[5], ZY[5]; + u8 PalmTime[5]; + u8 Kilroy; + u16 TimeStamp; +} T4_INPUT_REPORT, *PT4_INPUT_REPORT; + +static u16 t4_calc_check_sum(u8 *buffer, unsigned long offset, unsigned long length) +{ + u16 sum1 = 0xFF, sum2 = 0xFF; + unsigned long i = 0; + + if (offset + length >= 50) + return 0; + + while (length > 0) { + u32 tlen = length > 20 ? 20 : length; + + length -= tlen; + + do { + sum1 += buffer[offset + i]; + sum2 += sum1; + i++; + } while (--tlen > 0); + + sum1 = (sum1 & 0xFF) + (sum1 >> 8); + sum2 = (sum2 & 0xFF) + (sum2 >> 8); + } + + sum1 = (sum1 & 0xFF) + (sum1 >> 8); + sum2 = (sum2 & 0xFF) + (sum2 >> 8); + + return(sum2 << 8 | sum1); +} + +static int T4_read_write_register(struct hid_device *hdev, u32 address, + u8 *read_val, u8 write_val, bool read_flag) +{ + int ret; + u16 check_sum; + u8 *input; + u8 *readbuf; + + input = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL); + if (!input) + return -ENOMEM; + + input[0] = T4_FEATURE_REPORT_ID; + if (read_flag) { + input[1] = T4_CMD_REGISTER_READ; + input[8] = 0x00; + } else { + input[1] = T4_CMD_REGISTER_WRITE; + input[8] = write_val; + } + put_unaligned_le32(address, input + 2); + input[6] = 1; + input[7] = 0; + + /*Calculate amd append the checksum*/ + check_sum = t4_calc_check_sum(input, 1, 8); + input[9] = (u8)check_sum; + input[10] = (u8)(check_sum >> 8); + input[11] = 0; + + ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, input, + T4_FEATURE_REPORT_LEN, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + + if (ret < 0) { + dev_err(&hdev->dev, "failed to read command (%d)\n", ret); + goto exit; + } + + if (read_flag) { + readbuf = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL); + if (!readbuf) { + kfree(input); + return -ENOMEM; + } + + ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, readbuf, + T4_FEATURE_REPORT_LEN, + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + if (ret < 0) { + dev_err(&hdev->dev, "failed read register (%d)\n", ret); + goto exit; + } + if (*(u32 *)&readbuf[6] != address) + hid_alert(hdev, "T4_read_write_register address error %x %x\n", *(u32 *)&readbuf[6], address); + if (*(u16 *)&readbuf[10] != 1) + hid_alert(hdev, "T4_read_write_register size error %x\n", *(u16 *)&readbuf[10]); + check_sum = t4_calc_check_sum(readbuf, 6, 7); + if (*(u16 *)&readbuf[13] != check_sum) + hid_alert(hdev, "T4_read_write_register checksum error %x %x\n", *(u16 *)&readbuf[13], check_sum); + *read_val = readbuf[12]; + + kfree(readbuf); + } + + ret = 0; + +exit: + kfree(input); + return ret; +} + +static int u1_read_write_register(struct hid_device *hdev, u32 address, + u8 *read_val, u8 write_val, bool read_flag) +{ + int ret, i; + u8 check_sum; + u8 *input; + u8 *readbuf; + + input = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL); + if (!input) + return -ENOMEM; + + input[0] = U1_FEATURE_REPORT_ID; + if (read_flag) { + input[1] = U1_CMD_REGISTER_READ; + input[6] = 0x00; + } else { + input[1] = U1_CMD_REGISTER_WRITE; + input[6] = write_val; + } + + put_unaligned_le32(address, input + 2); + + /* Calculate the checksum */ + check_sum = U1_FEATURE_REPORT_LEN_ALL; + for (i = 0; i < U1_FEATURE_REPORT_LEN - 1; i++) + check_sum += input[i]; + + input[7] = check_sum; + ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input, + U1_FEATURE_REPORT_LEN, + HID_FEATURE_REPORT, HID_REQ_SET_REPORT); + + if (ret < 0) { + dev_err(&hdev->dev, "failed to read command (%d)\n", ret); + goto exit; + } + + if (read_flag) { + readbuf = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL); + if (!readbuf) { + kfree(input); + return -ENOMEM; + } + + ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf, + U1_FEATURE_REPORT_LEN, + HID_FEATURE_REPORT, HID_REQ_GET_REPORT); + + if (ret < 0) { + dev_err(&hdev->dev, "failed read register (%d)\n", ret); + goto exit; + } + + *read_val = readbuf[6]; + + kfree(readbuf); + } + + ret = 0; + +exit: + kfree(input); + return ret; +} + +static int T4_raw_event(struct alps_dev *hdata, u8 *data, int size) +{ + unsigned int x, y, z; + int i; + PT4_INPUT_REPORT p_report = (PT4_INPUT_REPORT)data; + + if (!data) + return 0; + for (i = 0; i < hdata->max_fingers; i++) { + x = p_report->Contact[i].x_hi << 8 | p_report->Contact[i].x_lo; + y = p_report->Contact[i].y_hi << 8 | p_report->Contact[i].y_lo; + y = hdata->y_max - y + hdata->y_min; + z = (p_report->Contact[i].Palm < 0x80 && p_report->Contact[i].Palm > 0) * 62; + if (x == 0xffff) + x = 0, y = 0, z = 0; + input_mt_slot(hdata->input, i); + + if (z != 0) { + input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 1); + } else { + input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 0); + continue; + } + + input_report_abs(hdata->input, ABS_MT_POSITION_X, x); + input_report_abs(hdata->input, ABS_MT_POSITION_Y, y); + input_report_abs(hdata->input, ABS_MT_PRESSURE, z); + } + input_mt_sync_frame(hdata->input); + + input_report_key(hdata->input, BTN_LEFT, p_report->Button); + + input_sync(hdata->input); + return 1; +} + +static int U1_raw_event(struct alps_dev *hdata, u8 *data, int size) +{ + unsigned int x, y, z; + short sp_x, sp_y; + int i; + + if (!data) + return 0; + switch (data[0]) { + case U1_MOUSE_REPORT_ID: + break; + case U1_FEATURE_REPORT_ID: + break; + case U1_ABSOLUTE_REPORT_ID: + for (i = 0; i < hdata->max_fingers; i++) { + u8 *contact = &data[i * 5]; + + x = get_unaligned_le16(contact + 3); + y = get_unaligned_le16(contact + 5); + z = contact[7] & 0x7F; + + input_mt_slot(hdata->input, i); + + if (z != 0) { + input_mt_report_slot_state(hdata->input, + MT_TOOL_FINGER, 1); + + input_report_abs(hdata->input, ABS_MT_POSITION_X, x); + input_report_abs(hdata->input, ABS_MT_POSITION_Y, y); + input_report_abs(hdata->input, ABS_MT_PRESSURE, z); + } else { + input_mt_report_slot_state(hdata->input, + MT_TOOL_FINGER, 0); + } + } + + input_mt_sync_frame(hdata->input); + + input_report_key(hdata->input, BTN_LEFT, + data[1] & 0x1); + input_report_key(hdata->input, BTN_RIGHT, + (data[1] & 0x2) >> 1); + input_report_key(hdata->input, BTN_MIDDLE, + (data[1] & 0x4) >> 2); + + input_sync(hdata->input); + + return 1; + + case U1_SP_ABSOLUTE_REPORT_ID: + sp_x = get_unaligned_le16(data + 2); + sp_y = get_unaligned_le16(data + 4); + + sp_x = sp_x / 8; + sp_y = sp_y / 8; + + input_report_rel(hdata->input2, REL_X, sp_x); + input_report_rel(hdata->input2, REL_Y, sp_y); + + input_report_key(hdata->input2, BTN_LEFT, + data[1] & 0x1); + input_report_key(hdata->input2, BTN_RIGHT, + (data[1] & 0x2) >> 1); + input_report_key(hdata->input2, BTN_MIDDLE, + (data[1] & 0x4) >> 2); + + input_sync(hdata->input2); + + return 1; + } + return 0; +} + +static int alps_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *data, int size) +{ + int ret = 0; + struct alps_dev *hdata = hid_get_drvdata(hdev); + + if (hdev->product == HID_PRODUCT_ID_T4_BTNLESS) + ret = T4_raw_event(hdata, data, size); + else + ret = U1_raw_event(hdata, data, size); + return ret; +} + +#ifdef CONFIG_PM +static int alps_post_reset(struct hid_device *hdev) +{ + int ret = -1; + struct alps_dev *data = hid_get_drvdata(hdev); + + switch (data->dev_type) { + case T4: + ret = T4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1, + NULL, T4_I2C_ABS, false); + ret = T4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, + NULL, T4_FEEDCFG4_ADVANCED_ABS_ENABLE, false); + break; + case U1: + ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, + NULL, U1_TP_ABS_MODE | U1_SP_ABS_MODE, false); + break; + default: + break; + } + return ret; +} + +static int alps_post_resume(struct hid_device *hdev) +{ + return alps_post_reset(hdev); +} +#endif /* CONFIG_PM */ + +static int u1_init(struct hid_device *hdev, struct alps_dev *pri_data) +{ + int ret; + u8 tmp, dev_ctrl, sen_line_num_x, sen_line_num_y, pitch_x, pitch_y, resolution; + /* Device initialization */ + ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, + &dev_ctrl, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_DEV_CTRL_1 (%d)\n", ret); + goto exit; + } + + dev_ctrl &= ~U1_DISABLE_DEV; + dev_ctrl |= U1_TP_ABS_MODE; + ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, + NULL, dev_ctrl, false); + if (ret < 0) { + dev_err(&hdev->dev, "failed to change TP mode (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_X, + &sen_line_num_x, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_NUM_SENS_X (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_Y, + &sen_line_num_y, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_NUM_SENS_Y (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_X, + &pitch_x, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_PITCH_SENS_X (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_Y, + &pitch_y, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_PITCH_SENS_Y (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_RESO_DWN_ABS, + &resolution, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_RESO_DWN_ABS (%d)\n", ret); + goto exit; + } + pri_data->x_active_len_mm = + (pitch_x * (sen_line_num_x - 1)) / 10; + pri_data->y_active_len_mm = + (pitch_y * (sen_line_num_y - 1)) / 10; + + pri_data->x_max = + (resolution << 2) * (sen_line_num_x - 1); + pri_data->x_min = 1; + pri_data->y_max = + (resolution << 2) * (sen_line_num_y - 1); + pri_data->y_min = 1; + + ret = u1_read_write_register(hdev, ADDRESS_U1_PAD_BTN, + &tmp, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_PAD_BTN (%d)\n", ret); + goto exit; + } + if ((tmp & 0x0F) == (tmp & 0xF0) >> 4) { + pri_data->btn_cnt = (tmp & 0x0F); + } else { + /* Button pad */ + pri_data->btn_cnt = 1; + } + + pri_data->has_sp = 0; + /* Check StickPointer device */ + ret = u1_read_write_register(hdev, ADDRESS_U1_DEVICE_TYP, + &tmp, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_DEVICE_TYP (%d)\n", ret); + goto exit; + } + if (tmp & U1_DEVTYPE_SP_SUPPORT) { + dev_ctrl |= U1_SP_ABS_MODE; + ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1, + NULL, dev_ctrl, false); + if (ret < 0) { + dev_err(&hdev->dev, "failed SP mode (%d)\n", ret); + goto exit; + } + + ret = u1_read_write_register(hdev, ADDRESS_U1_SP_BTN, + &pri_data->sp_btn_info, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed U1_SP_BTN (%d)\n", ret); + goto exit; + } + pri_data->has_sp = 1; + } + pri_data->max_fingers = 5; +exit: + return ret; +} + +static int T4_init(struct hid_device *hdev, struct alps_dev *pri_data) +{ + int ret; + u8 tmp, sen_line_num_x, sen_line_num_y; + + ret = T4_read_write_register(hdev, T4_PRM_ID_CONFIG_3, &tmp, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed T4_PRM_ID_CONFIG_3 (%d)\n", ret); + goto exit; + } + sen_line_num_x = 16 + ((tmp & 0x0F) | (tmp & 0x08 ? 0xF0 : 0)); + sen_line_num_y = 12 + (((tmp & 0xF0) >> 4) | (tmp & 0x80 ? 0xF0 : 0)); + + pri_data->x_max = sen_line_num_x * T4_COUNT_PER_ELECTRODE; + pri_data->x_min = T4_COUNT_PER_ELECTRODE; + pri_data->y_max = sen_line_num_y * T4_COUNT_PER_ELECTRODE; + pri_data->y_min = T4_COUNT_PER_ELECTRODE; + pri_data->x_active_len_mm = 0; + pri_data->y_active_len_mm = 0; + pri_data->btn_cnt = 1; + + ret = T4_read_write_register(hdev, PRM_SYS_CONFIG_1, &tmp, 0, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret); + goto exit; + } + tmp |= 0x02; + ret = T4_read_write_register(hdev, PRM_SYS_CONFIG_1, NULL, tmp, false); + if (ret < 0) { + dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret); + goto exit; + } + + ret = T4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1, NULL, T4_I2C_ABS, false); + if (ret < 0) { + dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_1 (%d)\n", ret); + goto exit; + } + + ret = T4_read_write_register (hdev, T4_PRM_FEED_CONFIG_4, NULL, T4_FEEDCFG4_ADVANCED_ABS_ENABLE, false); + if (ret < 0) { + dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_4 (%d)\n", ret); + goto exit; + } + pri_data->max_fingers = 5; + pri_data->has_sp = 0; +exit: + return ret; +} + +static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi) +{ + struct alps_dev *data = hid_get_drvdata(hdev); + struct input_dev *input = hi->input, *input2; + int ret; + int res_x, res_y, i; + + data->input = input; + + hid_dbg(hdev, "Opening low level driver\n"); + ret = hid_hw_open(hdev); + if (ret) + return ret; + + /* Allow incoming hid reports */ + hid_device_io_start(hdev); + if (data->dev_type == T4) + ret = T4_init(hdev, data); + else + ret = u1_init(hdev, data); + if (ret) + goto exit; + + __set_bit(EV_ABS, input->evbit); + input_set_abs_params(input, ABS_MT_POSITION_X, data->x_min, data->x_max, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, data->y_min, data->y_max, 0, 0); + + if (data->x_active_len_mm && data->y_active_len_mm) { + res_x = (data->x_max - 1) / data->x_active_len_mm; + res_y = (data->y_max - 1) / data->y_active_len_mm; + + input_abs_set_res(input, ABS_MT_POSITION_X, res_x); + input_abs_set_res(input, ABS_MT_POSITION_Y, res_y); + } + + input_set_abs_params(input, ABS_MT_PRESSURE, 0, 64, 0, 0); + + input_mt_init_slots(input, data->max_fingers, INPUT_MT_POINTER); + + __set_bit(EV_KEY, input->evbit); + + if (data->btn_cnt == 1) + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); + + for (i = 0; i < data->btn_cnt; i++) + __set_bit(BTN_LEFT + i, input->keybit); + + /* Stick device initialization */ + if (data->has_sp) { + input2 = input_allocate_device(); + if (!input2) { + input_free_device(input2); + goto exit; + } + + data->input2 = input2; + input2->phys = input->phys; + input2->name = "DualPoint Stick"; + input2->id.bustype = BUS_I2C; + input2->id.vendor = input->id.vendor; + input2->id.product = input->id.product; + input2->id.version = input->id.version; + input2->dev.parent = input->dev.parent; + + __set_bit(EV_KEY, input2->evbit); + data->sp_btn_cnt = (data->sp_btn_info & 0x0F); + for (i = 0; i < data->sp_btn_cnt; i++) + __set_bit(BTN_LEFT + i, input2->keybit); + + __set_bit(EV_REL, input2->evbit); + __set_bit(REL_X, input2->relbit); + __set_bit(REL_Y, input2->relbit); + __set_bit(INPUT_PROP_POINTER, input2->propbit); + __set_bit(INPUT_PROP_POINTING_STICK, input2->propbit); + + if (input_register_device(data->input2)) { + input_free_device(input2); + goto exit; + } + } + +exit: + hid_device_io_stop(hdev); + hid_hw_close(hdev); + return ret; +} + +static int alps_input_mapping(struct hid_device *hdev, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + return -1; +} + +static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct alps_dev *data = NULL; + int ret; + + data = devm_kzalloc(&hdev->dev, sizeof(struct alps_dev), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->hdev = hdev; + hid_set_drvdata(hdev, data); + + hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + switch (hdev->product) { + case HID_DEVICE_ID_ALPS_T4_BTNLESS: + data->dev_type = T4; + break; + case HID_DEVICE_ID_ALPS_U1_DUAL: + case HID_DEVICE_ID_ALPS_U1: + data->dev_type = U1; + break; + default: + data->dev_type = UNKNOWN; + break; + } + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + + return 0; +} + +static void alps_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); +} + +static const struct hid_device_id alps_id[] = { + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, + USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, + USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1) }, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, + USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) }, + { } +}; +MODULE_DEVICE_TABLE(hid, alps_id); + +static struct hid_driver alps_driver = { + .name = "hid-alps", + .id_table = alps_id, + .probe = alps_probe, + .remove = alps_remove, + .raw_event = alps_raw_event, + .input_mapping = alps_input_mapping, + .input_configured = alps_input_configured, +#ifdef CONFIG_PM + .resume = alps_post_resume, + .reset_resume = alps_post_reset, +#endif +}; + +module_hid_driver(alps_driver); + +MODULE_AUTHOR("Masaki Ota "); +MODULE_DESCRIPTION("ALPS HID driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e43de846accc..10a8f98b3b49 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1739,6 +1739,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1) }, + { HID_I2C_DEVICE(USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_T4_BTNLESS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 0f223079f4c0..62234c67b59f 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -67,6 +67,11 @@ #define USB_VENDOR_ID_ALPS 0x0433 #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 +#define USB_VENDOR_ID_ALPS_JP 0x044E +#define HID_DEVICE_ID_ALPS_U1_DUAL 0x120B +#define HID_DEVICE_ID_ALPS_U1 0x1215 +#define HID_DEVICE_ID_ALPS_T4_BTNLESS 0x120C + #define USB_VENDOR_ID_ANTON 0x1130 #define USB_DEVICE_ID_ANTON_TOUCH_PAD 0x3101 -- 2.34.1