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HID: hid-alps: add alps hid support
Change-Id: Id3eba69f18f0f6f3548a4be0430fee3ce8cce021 Signed-off-by: Zhou weixin <zwx@rock-chips.com>
This commit is contained in:
Zhou weixin
@@ -927,6 +927,13 @@ config HID_RKVR
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Support for RKVR devices.
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Say Y here if you have a RKVR device.
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config HID_ALPS
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tristate "ALPS device support"
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depends on I2C_HID
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---help---
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Support for ALPS devices.
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Say Y here if you have a ALPS device.
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endmenu
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endif # HID
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@@ -105,6 +105,7 @@ obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o
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obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o
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obj-$(CONFIG_HID_SENSOR_CUSTOM_SENSOR) += hid-sensor-custom.o
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obj-$(CONFIG_HID_RKVR) += hid-rkvr.o
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obj-$(CONFIG_HID_ALPS) += hid-alps.o
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obj-$(CONFIG_USB_HID) += usbhid/
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obj-$(CONFIG_USB_MOUSE) += usbhid/
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783
drivers/hid/hid-alps.c
Normal file
783
drivers/hid/hid-alps.c
Normal file
@@ -0,0 +1,783 @@
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/*
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* Copyright (c) 2016 Masaki Ota <masaki.ota@jp.alps.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/hid.h>
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#include <linux/input.h>
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#include <linux/input/mt.h>
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#include <linux/module.h>
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#include <asm/unaligned.h>
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#include "hid-ids.h"
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/* ALPS Device Product ID */
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#define HID_PRODUCT_ID_T3_BTNLESS 0xD0C0
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#define HID_PRODUCT_ID_COSMO 0x1202
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#define HID_PRODUCT_ID_U1_PTP_1 0x1207
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#define HID_PRODUCT_ID_U1 0x1209
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#define HID_PRODUCT_ID_U1_PTP_2 0x120A
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#define HID_PRODUCT_ID_U1_DUAL 0x120B
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#define HID_PRODUCT_ID_T4_BTNLESS 0x120C
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#define DEV_SINGLEPOINT 0x01
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#define DEV_DUALPOINT 0x02
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#define U1_MOUSE_REPORT_ID 0x01 /* Mouse data ReportID */
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#define U1_ABSOLUTE_REPORT_ID 0x03 /* Absolute data ReportID */
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#define U1_FEATURE_REPORT_ID 0x05 /* Feature ReportID */
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#define U1_SP_ABSOLUTE_REPORT_ID 0x06 /* Feature ReportID */
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#define U1_FEATURE_REPORT_LEN 0x08 /* Feature Report Length */
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#define U1_FEATURE_REPORT_LEN_ALL 0x0A
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#define U1_CMD_REGISTER_READ 0xD1
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#define U1_CMD_REGISTER_WRITE 0xD2
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#define U1_DEVTYPE_SP_SUPPORT 0x10 /* SP Support */
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#define U1_DISABLE_DEV 0x01
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#define U1_TP_ABS_MODE 0x02
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#define U1_SP_ABS_MODE 0x80
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#define ADDRESS_U1_DEV_CTRL_1 0x00800040
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#define ADDRESS_U1_DEVICE_TYP 0x00800043
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#define ADDRESS_U1_NUM_SENS_X 0x00800047
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#define ADDRESS_U1_NUM_SENS_Y 0x00800048
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#define ADDRESS_U1_PITCH_SENS_X 0x00800049
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#define ADDRESS_U1_PITCH_SENS_Y 0x0080004A
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#define ADDRESS_U1_RESO_DWN_ABS 0x0080004E
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#define ADDRESS_U1_PAD_BTN 0x00800052
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#define ADDRESS_U1_SP_BTN 0x0080009F
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#define T4_INPUT_REPORT_LEN sizeof(T4_INPUT_REPORT)
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#define T4_FEATURE_REPORT_LEN T4_INPUT_REPORT_LEN
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#define T4_FEATURE_REPORT_ID 7
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#define T4_CMD_REGISTER_READ 0x08
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#define T4_CMD_REGISTER_WRITE 0x07
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#define T4_ADDRESS_BASE 0xC2C0
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#define PRM_SYS_CONFIG_1 (T4_ADDRESS_BASE + 0x0002)
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#define T4_PRM_FEED_CONFIG_1 (T4_ADDRESS_BASE + 0x0004)
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#define T4_PRM_FEED_CONFIG_4 (T4_ADDRESS_BASE + 0x001A)
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#define T4_PRM_ID_CONFIG_3 (T4_ADDRESS_BASE + 0x00B0)
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#define T4_FEEDCFG4_ADVANCED_ABS_ENABLE 0x01
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#define T4_I2C_ABS 0x78
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#define T4_COUNT_PER_ELECTRODE 256
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#define MAX_TOUCHES 5
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typedef enum {
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U1,
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T4,
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UNKNOWN,
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} DEV_TYPE;
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/**
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* struct u1_data
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*
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* @input: pointer to the kernel input device
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* @input2: pointer to the kernel input2 device
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* @hdev: pointer to the struct hid_device
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*
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* @dev_type: device type
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* @max_fingers: total number of fingers
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* @has_sp: boolean of sp existense
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* @sp_btn_info: button information
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* @x_active_len_mm: active area length of X (mm)
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* @y_active_len_mm: active area length of Y (mm)
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* @x_max: maximum x coordinate value
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* @y_max: maximum y coordinate value
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* @x_min: minimum x coordinate value
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* @y_min: minimum y coordinate value
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* @btn_cnt: number of buttons
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* @sp_btn_cnt: number of stick buttons
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*/
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struct alps_dev {
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struct input_dev *input;
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struct input_dev *input2;
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struct hid_device *hdev;
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DEV_TYPE dev_type;
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u8 max_fingers;
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u8 has_sp;
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u8 sp_btn_info;
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u32 x_active_len_mm;
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u32 y_active_len_mm;
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u32 x_max;
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u32 y_max;
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u32 x_min;
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u32 y_min;
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u32 btn_cnt;
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u32 sp_btn_cnt;
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};
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typedef struct _T4_CONTACT_DATA {
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u8 Palm;
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u8 x_lo;
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u8 x_hi;
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u8 y_lo;
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u8 y_hi;
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} T4_CONTACT_DATA, *PT4_CONTACT_DATA;
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typedef struct _T4_INPUT_REPORT {
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u8 ReportID;
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u8 NumContacts;
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T4_CONTACT_DATA Contact[5];
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u8 Button;
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u8 Track[5];
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u8 ZX[5], ZY[5];
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u8 PalmTime[5];
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u8 Kilroy;
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u16 TimeStamp;
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} T4_INPUT_REPORT, *PT4_INPUT_REPORT;
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static u16 t4_calc_check_sum(u8 *buffer, unsigned long offset, unsigned long length)
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{
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u16 sum1 = 0xFF, sum2 = 0xFF;
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unsigned long i = 0;
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if (offset + length >= 50)
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return 0;
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while (length > 0) {
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u32 tlen = length > 20 ? 20 : length;
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length -= tlen;
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do {
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sum1 += buffer[offset + i];
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sum2 += sum1;
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i++;
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} while (--tlen > 0);
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sum1 = (sum1 & 0xFF) + (sum1 >> 8);
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sum2 = (sum2 & 0xFF) + (sum2 >> 8);
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}
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sum1 = (sum1 & 0xFF) + (sum1 >> 8);
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sum2 = (sum2 & 0xFF) + (sum2 >> 8);
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return(sum2 << 8 | sum1);
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}
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static int T4_read_write_register(struct hid_device *hdev, u32 address,
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u8 *read_val, u8 write_val, bool read_flag)
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{
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int ret;
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u16 check_sum;
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u8 *input;
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u8 *readbuf;
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input = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!input)
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return -ENOMEM;
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input[0] = T4_FEATURE_REPORT_ID;
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if (read_flag) {
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input[1] = T4_CMD_REGISTER_READ;
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input[8] = 0x00;
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} else {
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input[1] = T4_CMD_REGISTER_WRITE;
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input[8] = write_val;
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}
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put_unaligned_le32(address, input + 2);
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input[6] = 1;
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input[7] = 0;
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/*Calculate amd append the checksum*/
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check_sum = t4_calc_check_sum(input, 1, 8);
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input[9] = (u8)check_sum;
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input[10] = (u8)(check_sum >> 8);
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input[11] = 0;
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ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, input,
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T4_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
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goto exit;
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}
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if (read_flag) {
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readbuf = kzalloc(T4_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!readbuf) {
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kfree(input);
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return -ENOMEM;
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}
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ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, readbuf,
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T4_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed read register (%d)\n", ret);
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goto exit;
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}
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if (*(u32 *)&readbuf[6] != address)
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hid_alert(hdev, "T4_read_write_register address error %x %x\n", *(u32 *)&readbuf[6], address);
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if (*(u16 *)&readbuf[10] != 1)
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hid_alert(hdev, "T4_read_write_register size error %x\n", *(u16 *)&readbuf[10]);
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check_sum = t4_calc_check_sum(readbuf, 6, 7);
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if (*(u16 *)&readbuf[13] != check_sum)
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hid_alert(hdev, "T4_read_write_register checksum error %x %x\n", *(u16 *)&readbuf[13], check_sum);
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*read_val = readbuf[12];
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kfree(readbuf);
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}
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ret = 0;
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exit:
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kfree(input);
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return ret;
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}
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static int u1_read_write_register(struct hid_device *hdev, u32 address,
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u8 *read_val, u8 write_val, bool read_flag)
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{
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int ret, i;
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u8 check_sum;
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u8 *input;
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u8 *readbuf;
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input = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!input)
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return -ENOMEM;
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input[0] = U1_FEATURE_REPORT_ID;
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if (read_flag) {
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input[1] = U1_CMD_REGISTER_READ;
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input[6] = 0x00;
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} else {
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input[1] = U1_CMD_REGISTER_WRITE;
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input[6] = write_val;
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}
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put_unaligned_le32(address, input + 2);
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/* Calculate the checksum */
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check_sum = U1_FEATURE_REPORT_LEN_ALL;
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for (i = 0; i < U1_FEATURE_REPORT_LEN - 1; i++)
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check_sum += input[i];
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input[7] = check_sum;
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ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
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U1_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
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goto exit;
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}
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if (read_flag) {
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readbuf = kzalloc(U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!readbuf) {
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kfree(input);
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return -ENOMEM;
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}
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ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
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U1_FEATURE_REPORT_LEN,
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HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
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if (ret < 0) {
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dev_err(&hdev->dev, "failed read register (%d)\n", ret);
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goto exit;
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}
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*read_val = readbuf[6];
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kfree(readbuf);
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}
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ret = 0;
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exit:
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kfree(input);
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return ret;
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}
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static int T4_raw_event(struct alps_dev *hdata, u8 *data, int size)
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{
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unsigned int x, y, z;
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int i;
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PT4_INPUT_REPORT p_report = (PT4_INPUT_REPORT)data;
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if (!data)
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return 0;
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for (i = 0; i < hdata->max_fingers; i++) {
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x = p_report->Contact[i].x_hi << 8 | p_report->Contact[i].x_lo;
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y = p_report->Contact[i].y_hi << 8 | p_report->Contact[i].y_lo;
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y = hdata->y_max - y + hdata->y_min;
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z = (p_report->Contact[i].Palm < 0x80 && p_report->Contact[i].Palm > 0) * 62;
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if (x == 0xffff)
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x = 0, y = 0, z = 0;
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input_mt_slot(hdata->input, i);
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if (z != 0) {
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input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 1);
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} else {
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input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 0);
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continue;
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}
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input_report_abs(hdata->input, ABS_MT_POSITION_X, x);
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input_report_abs(hdata->input, ABS_MT_POSITION_Y, y);
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input_report_abs(hdata->input, ABS_MT_PRESSURE, z);
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}
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input_mt_sync_frame(hdata->input);
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input_report_key(hdata->input, BTN_LEFT, p_report->Button);
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input_sync(hdata->input);
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return 1;
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}
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static int U1_raw_event(struct alps_dev *hdata, u8 *data, int size)
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{
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unsigned int x, y, z;
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short sp_x, sp_y;
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int i;
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if (!data)
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return 0;
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switch (data[0]) {
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case U1_MOUSE_REPORT_ID:
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break;
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case U1_FEATURE_REPORT_ID:
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break;
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case U1_ABSOLUTE_REPORT_ID:
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for (i = 0; i < hdata->max_fingers; i++) {
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u8 *contact = &data[i * 5];
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x = get_unaligned_le16(contact + 3);
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y = get_unaligned_le16(contact + 5);
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z = contact[7] & 0x7F;
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input_mt_slot(hdata->input, i);
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if (z != 0) {
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input_mt_report_slot_state(hdata->input,
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MT_TOOL_FINGER, 1);
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input_report_abs(hdata->input, ABS_MT_POSITION_X, x);
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input_report_abs(hdata->input, ABS_MT_POSITION_Y, y);
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input_report_abs(hdata->input, ABS_MT_PRESSURE, z);
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} else {
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input_mt_report_slot_state(hdata->input,
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MT_TOOL_FINGER, 0);
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}
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}
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input_mt_sync_frame(hdata->input);
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input_report_key(hdata->input, BTN_LEFT,
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data[1] & 0x1);
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input_report_key(hdata->input, BTN_RIGHT,
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(data[1] & 0x2) >> 1);
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input_report_key(hdata->input, BTN_MIDDLE,
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(data[1] & 0x4) >> 2);
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input_sync(hdata->input);
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return 1;
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case U1_SP_ABSOLUTE_REPORT_ID:
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sp_x = get_unaligned_le16(data + 2);
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sp_y = get_unaligned_le16(data + 4);
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sp_x = sp_x / 8;
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sp_y = sp_y / 8;
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input_report_rel(hdata->input2, REL_X, sp_x);
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input_report_rel(hdata->input2, REL_Y, sp_y);
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input_report_key(hdata->input2, BTN_LEFT,
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data[1] & 0x1);
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input_report_key(hdata->input2, BTN_RIGHT,
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(data[1] & 0x2) >> 1);
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input_report_key(hdata->input2, BTN_MIDDLE,
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(data[1] & 0x4) >> 2);
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input_sync(hdata->input2);
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return 1;
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}
|
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return 0;
|
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}
|
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|
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static int alps_raw_event(struct hid_device *hdev,
|
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struct hid_report *report, u8 *data, int size)
|
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{
|
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int ret = 0;
|
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struct alps_dev *hdata = hid_get_drvdata(hdev);
|
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|
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if (hdev->product == HID_PRODUCT_ID_T4_BTNLESS)
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||||
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 <masaki.ota@jp.alps.com>");
|
||||
MODULE_DESCRIPTION("ALPS HID driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
@@ -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) },
|
||||
|
||||
@@ -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
|
||||
|
||||
|
||||
Reference in New Issue
Block a user