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HID: add Alps I2C HID Touchpad-Stick support
Add support Alps I2C HID Touchpad and Stick device. Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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139
Documentation/hid/hid-alps.txt
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139
Documentation/hid/hid-alps.txt
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@ -0,0 +1,139 @@
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ALPS HID Touchpad Protocol
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----------------------
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Introduction
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------------
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Currently ALPS HID driver supports U1 Touchpad device.
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U1 devuce basic information.
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Vender ID 0x044E
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Product ID 0x120B
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Version ID 0x0121
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HID Descriptor
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------------
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Byte Field Value Notes
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0 wHIDDescLength 001E Length of HID Descriptor : 30 bytes
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2 bcdVersion 0100 Compliant with Version 1.00
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4 wReportDescLength 00B2 Report Descriptor is 178 Bytes (0x00B2)
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6 wReportDescRegister 0002 Identifier to read Report Descriptor
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8 wInputRegister 0003 Identifier to read Input Report
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10 wMaxInputLength 0053 Input Report is 80 Bytes + 2
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12 wOutputRegister 0000 Identifier to read Output Report
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14 wMaxOutputLength 0000 No Output Reports
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16 wCommandRegister 0005 Identifier for Command Register
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18 wDataRegister 0006 Identifier for Data Register
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20 wVendorID 044E Vendor ID 0x044E
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22 wProductID 120B Product ID 0x120B
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24 wVersionID 0121 Version 01.21
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26 RESERVED 0000 RESERVED
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Report ID
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------------
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ReportID-1 (Input Reports) (HIDUsage-Mouse) for TP&SP
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ReportID-2 (Input Reports) (HIDUsage-keyboard) for TP
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ReportID-3 (Input Reports) (Vendor Usage: Max 10 finger data) for TP
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ReportID-4 (Input Reports) (Vendor Usage: ON bit data) for GP
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ReportID-5 (Feature Reports) Feature Reports
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ReportID-6 (Input Reports) (Vendor Usage: StickPointer data) for SP
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ReportID-7 (Feature Reports) Flash update (Bootloader)
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Data pattern
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------------
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Case1 ReportID_1 TP/SP Relative/Relative
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Case2 ReportID_3 TP Absolute
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ReportID_6 SP Absolute
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Command Read/Write
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------------------
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To read/write to RAM, need to send a commands to the device.
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The command format is as below.
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DataByte(SET_REPORT)
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Byte1 Command Byte
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Byte2 Address - Byte 0 (LSB)
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Byte3 Address - Byte 1
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Byte4 Address - Byte 2
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Byte5 Address - Byte 3 (MSB)
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Byte6 Value Byte
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Byte7 Checksum
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Command Byte is read=0xD1/write=0xD2 .
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Address is read/write RAM address.
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Value Byte is writing data when you send the write commands.
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When you read RAM, there is no meaning.
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DataByte(GET_REPORT)
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Byte1 Response Byte
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Byte2 Address - Byte 0 (LSB)
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Byte3 Address - Byte 1
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Byte4 Address - Byte 2
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Byte5 Address - Byte 3 (MSB)
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Byte6 Value Byte
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Byte7 Checksum
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Read value is stored in Value Byte.
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Packet Format
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Touchpad data byte
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------------------
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b7 b6 b5 b4 b3 b2 b1 b0
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1 0 0 SW6 SW5 SW4 SW3 SW2 SW1
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2 0 0 0 Fcv Fn3 Fn2 Fn1 Fn0
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3 Xa0_7 Xa0_6 Xa0_5 Xa0_4 Xa0_3 Xa0_2 Xa0_1 Xa0_0
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4 Xa0_15 Xa0_14 Xa0_13 Xa0_12 Xa0_11 Xa0_10 Xa0_9 Xa0_8
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5 Ya0_7 Ya0_6 Ya0_5 Ya0_4 Ya0_3 Ya0_2 Ya0_1 Ya0_0
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6 Ya0_15 Ya0_14 Ya0_13 Ya0_12 Ya0_11 Ya0_10 Ya0_9 Ya0_8
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7 LFB0 Zs0_6 Zs0_5 Zs0_4 Zs0_3 Zs0_2 Zs0_1 Zs0_0
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8 Xa1_7 Xa1_6 Xa1_5 Xa1_4 Xa1_3 Xa1_2 Xa1_1 Xa1_0
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9 Xa1_15 Xa1_14 Xa1_13 Xa1_12 Xa1_11 Xa1_10 Xa1_9 Xa1_8
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10 Ya1_7 Ya1_6 Ya1_5 Ya1_4 Ya1_3 Ya1_2 Ya1_1 Ya1_0
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11 Ya1_15 Ya1_14 Ya1_13 Ya1_12 Ya1_11 Ya1_10 Ya1_9 Ya1_8
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12 LFB1 Zs1_6 Zs1_5 Zs1_4 Zs1_3 Zs1_2 Zs1_1 Zs1_0
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13 Xa2_7 Xa2_6 Xa2_5 Xa2_4 Xa2_3 Xa2_2 Xa2_1 Xa2_0
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14 Xa2_15 Xa2_14 Xa2_13 Xa2_12 Xa2_11 Xa2_10 Xa2_9 Xa2_8
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15 Ya2_7 Ya2_6 Ya2_5 Ya2_4 Ya2_3 Ya2_2 Ya2_1 Ya2_0
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16 Ya2_15 Ya2_14 Ya2_13 Ya2_12 Ya2_11 Ya2_10 Ya2_9 Ya2_8
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17 LFB2 Zs2_6 Zs2_5 Zs2_4 Zs2_3 Zs2_2 Zs2_1 Zs2_0
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18 Xa3_7 Xa3_6 Xa3_5 Xa3_4 Xa3_3 Xa3_2 Xa3_1 Xa3_0
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19 Xa3_15 Xa3_14 Xa3_13 Xa3_12 Xa3_11 Xa3_10 Xa3_9 Xa3_8
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20 Ya3_7 Ya3_6 Ya3_5 Ya3_4 Ya3_3 Ya3_2 Ya3_1 Ya3_0
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21 Ya3_15 Ya3_14 Ya3_13 Ya3_12 Ya3_11 Ya3_10 Ya3_9 Ya3_8
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22 LFB3 Zs3_6 Zs3_5 Zs3_4 Zs3_3 Zs3_2 Zs3_1 Zs3_0
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23 Xa4_7 Xa4_6 Xa4_5 Xa4_4 Xa4_3 Xa4_2 Xa4_1 Xa4_0
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24 Xa4_15 Xa4_14 Xa4_13 Xa4_12 Xa4_11 Xa4_10 Xa4_9 Xa4_8
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25 Ya4_7 Ya4_6 Ya4_5 Ya4_4 Ya4_3 Ya4_2 Ya4_1 Ya4_0
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26 Ya4_15 Ya4_14 Ya4_13 Ya4_12 Ya4_11 Ya4_10 Ya4_9 Ya4_8
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27 LFB4 Zs4_6 Zs4_5 Zs4_4 Zs4_3 Zs4_2 Zs4_1 Zs4_0
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SW1-SW6: SW ON/OFF status
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Xan_15-0(16bit):X Absolute data of the "n"th finger
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Yan_15-0(16bit):Y Absolute data of the "n"th finger
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Zsn_6-0(7bit): Operation area of the "n"th finger
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StickPointer data byte
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------------------
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b7 b6 b5 b4 b3 b2 b1 b0
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Byte1 1 1 1 0 1 SW3 SW2 SW1
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Byte2 X7 X6 X5 X4 X3 X2 X1 X0
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Byte3 X15 X14 X13 X12 X11 X10 X9 X8
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Byte4 Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
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Byte5 Y15 Y14 Y13 Y12 Y11 Y10 Y9 Y8
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Byte6 Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0
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Byte7 T&P Z14 Z13 Z12 Z11 Z10 Z9 Z8
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SW1-SW3: SW ON/OFF status
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Xn_15-0(16bit):X Absolute data
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Yn_15-0(16bit):Y Absolute data
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Zn_14-0(15bit):Z
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@ -936,6 +936,14 @@ config HID_SENSOR_CUSTOM_SENSOR
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standard sensors.
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Select this config option for custom/generic sensor support.
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config HID_ALPS
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tristate "Alps HID device support"
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depends on HID
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---help---
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Support for Alps I2C HID touchpads and StickPointer.
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Say Y here if you have a Alps touchpads over i2c-hid or usbhid
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and want support for its special functionalities.
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endmenu
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endif # HID
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@ -21,6 +21,7 @@ hid-wiimote-y := hid-wiimote-core.o hid-wiimote-modules.o
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hid-wiimote-$(CONFIG_DEBUG_FS) += hid-wiimote-debug.o
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obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
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obj-$(CONFIG_HID_ALPS) += hid-alps.o
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obj-$(CONFIG_HID_ACRUX) += hid-axff.o
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obj-$(CONFIG_HID_APPLE) += hid-apple.o
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obj-$(CONFIG_HID_APPLEIR) += hid-appleir.o
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525
drivers/hid/hid-alps.c
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525
drivers/hid/hid-alps.c
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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 MAX_TOUCHES 5
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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_ctrl: device control parameter
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* @dev_type: device type
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* @sen_line_num_x: number of sensor line of X
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* @sen_line_num_y: number of sensor line of Y
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* @pitch_x: sensor pitch of X
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* @pitch_y: sensor pitch of Y
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* @resolution: resolution
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* @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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* @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 u1_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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u8 dev_ctrl;
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u8 dev_type;
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u8 sen_line_num_x;
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u8 sen_line_num_y;
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u8 pitch_x;
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u8 pitch_y;
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u8 resolution;
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u8 btn_info;
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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 btn_cnt;
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u32 sp_btn_cnt;
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};
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struct u1_dev *priv;
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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(sizeof(u8)*U1_FEATURE_REPORT_LEN, GFP_KERNEL);
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if (!input)
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return -ENOMEM;
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readbuf = kzalloc(sizeof(u8)*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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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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sizeof(input), 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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ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
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sizeof(readbuf), HID_FEATURE_REPORT,
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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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}
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kfree(input);
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kfree(readbuf);
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return 0;
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exit:
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kfree(input);
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kfree(readbuf);
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return ret;
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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 x[MAX_TOUCHES], y[MAX_TOUCHES], z[MAX_TOUCHES];
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int i, left, right, middle;
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short sp_x, sp_y, sp_z;
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struct u1_dev *hdata = hid_get_drvdata(hdev);
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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 < MAX_TOUCHES; i++) {
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x[i] = (data[3+(5*i)] | (data[4+(5*i)] << 8));
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y[i] = (data[5+(5*i)] | (data[6+(5*i)] << 8));
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z[i] = data[7+(5*i)] & 0x7F;
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left = data[1] & 0x1;
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right = (data[1] & 0x2) >> 1;
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middle = (data[1] & 0x4) >> 2;
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input_mt_slot(hdata->input, i);
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if (z[i] != 0) {
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input_mt_report_slot_state(hdata->input,
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MT_TOOL_FINGER, 1);
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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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break;
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}
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input_event(hdata->input, EV_ABS,
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ABS_MT_POSITION_X, x[i]);
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input_event(hdata->input, EV_ABS,
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ABS_MT_POSITION_Y, y[i]);
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input_event(hdata->input, EV_ABS,
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ABS_MT_PRESSURE, z[i]);
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}
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input_mt_sync_frame(hdata->input);
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input_sync(hdata->input);
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input_event(hdata->input, EV_KEY, BTN_LEFT, left);
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input_event(hdata->input, EV_KEY, BTN_RIGHT, right);
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input_event(hdata->input, EV_KEY, BTN_MIDDLE, middle);
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return 1;
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case U1_SP_ABSOLUTE_REPORT_ID:
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sp_x = (data[2] | (data[3] << 8));
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sp_y = (data[4] | (data[5] << 8));
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sp_z = (data[6] | data[7]) & 0x7FFF;
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left = data[1] & 0x1;
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right = (data[1] & 0x2) >> 1;
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middle = (data[1] & 0x4) >> 2;
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sp_x = sp_x / 8;
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sp_y = sp_y / 8;
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input_event(priv->input2, EV_REL, REL_X, sp_x);
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input_event(priv->input2, EV_REL, REL_Y, sp_y);
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input_event(priv->input2, EV_KEY, BTN_LEFT, left);
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input_event(priv->input2, EV_KEY, BTN_RIGHT, right);
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||||
input_event(priv->input2, EV_KEY, BTN_MIDDLE, middle);
|
||||
|
||||
input_sync(priv->input2);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int alps_post_reset(struct hid_device *hdev)
|
||||
{
|
||||
return u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
|
||||
NULL, U1_TP_ABS_MODE, false);
|
||||
}
|
||||
|
||||
static int alps_post_resume(struct hid_device *hdev)
|
||||
{
|
||||
return u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
|
||||
NULL, U1_TP_ABS_MODE, false);
|
||||
}
|
||||
#endif /* CONFIG_PM */
|
||||
|
||||
static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
|
||||
{
|
||||
struct u1_dev *data = hid_get_drvdata(hdev);
|
||||
struct input_dev *input = hi->input, *input2;
|
||||
struct u1_dev devInfo;
|
||||
int ret;
|
||||
int res_x, res_y, i;
|
||||
|
||||
/* Check device product ID */
|
||||
switch (hdev->product) {
|
||||
case HID_PRODUCT_ID_U1:
|
||||
case HID_PRODUCT_ID_U1_DUAL:
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
/* Device initialization */
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
|
||||
&devInfo.dev_ctrl, 0, true);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed U1_DEV_CTRL_1 (%d)\n", ret);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
devInfo.dev_ctrl &= ~U1_DISABLE_DEV;
|
||||
devInfo.dev_ctrl |= U1_TP_ABS_MODE;
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
|
||||
NULL, devInfo.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,
|
||||
&devInfo.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,
|
||||
&devInfo.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,
|
||||
&devInfo.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,
|
||||
&devInfo.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,
|
||||
&devInfo.resolution, 0, true);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed U1_RESO_DWN_ABS (%d)\n", ret);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_PAD_BTN,
|
||||
&devInfo.btn_info, 0, true);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed U1_PAD_BTN (%d)\n", ret);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Check StickPointer device */
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_DEVICE_TYP,
|
||||
&devInfo.dev_type, 0, true);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed U1_DEVICE_TYP (%d)\n", ret);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
devInfo.x_active_len_mm =
|
||||
(devInfo.pitch_x * (devInfo.sen_line_num_x - 1)) / 10;
|
||||
devInfo.y_active_len_mm =
|
||||
(devInfo.pitch_y * (devInfo.sen_line_num_y - 1)) / 10;
|
||||
|
||||
devInfo.x_max =
|
||||
(devInfo.resolution << 2) * (devInfo.sen_line_num_x - 1);
|
||||
devInfo.y_max =
|
||||
(devInfo.resolution << 2) * (devInfo.sen_line_num_y - 1);
|
||||
|
||||
__set_bit(EV_ABS, input->evbit);
|
||||
input_set_abs_params(input, ABS_MT_POSITION_X, 1, devInfo.x_max, 0, 0);
|
||||
input_set_abs_params(input, ABS_MT_POSITION_Y, 1, devInfo.y_max, 0, 0);
|
||||
|
||||
if (devInfo.x_active_len_mm && devInfo.y_active_len_mm) {
|
||||
res_x = (devInfo.x_max - 1) / devInfo.x_active_len_mm;
|
||||
res_y = (devInfo.y_max - 1) / devInfo.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, MAX_TOUCHES, INPUT_MT_POINTER);
|
||||
|
||||
__set_bit(EV_KEY, input->evbit);
|
||||
if ((devInfo.btn_info & 0x0F) == (devInfo.btn_info & 0xF0) >> 4) {
|
||||
devInfo.btn_cnt = (devInfo.btn_info & 0x0F);
|
||||
} else {
|
||||
/* Button pad */
|
||||
devInfo.btn_cnt = 1;
|
||||
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
|
||||
}
|
||||
|
||||
for (i = 0; i < devInfo.btn_cnt; i++)
|
||||
__set_bit(BTN_LEFT + i, input->keybit);
|
||||
|
||||
|
||||
/* Stick device initialization */
|
||||
if (devInfo.dev_type & U1_DEVTYPE_SP_SUPPORT) {
|
||||
|
||||
priv = kzalloc(sizeof(struct u1_dev), GFP_KERNEL);
|
||||
if (!priv) {
|
||||
hid_device_io_stop(hdev);
|
||||
hid_hw_close(hdev);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
input2 = input_allocate_device();
|
||||
if (!input2) {
|
||||
input_free_device(input2);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
priv->input2 = input2;
|
||||
|
||||
devInfo.dev_ctrl |= U1_SP_ABS_MODE;
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
|
||||
NULL, devInfo.dev_ctrl, false);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed SP mode (%d)\n", ret);
|
||||
input_free_device(input2);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
ret = u1_read_write_register(hdev, ADDRESS_U1_SP_BTN,
|
||||
&devInfo.sp_btn_info, 0, true);
|
||||
if (ret < 0) {
|
||||
dev_err(&hdev->dev, "failed U1_SP_BTN (%d)\n", ret);
|
||||
input_free_device(input2);
|
||||
goto exit;
|
||||
}
|
||||
|
||||
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);
|
||||
devInfo.sp_btn_cnt = (devInfo.sp_btn_info & 0x0F);
|
||||
for (i = 0; i < devInfo.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(priv->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 u1_dev *data = NULL;
|
||||
int ret;
|
||||
|
||||
data = devm_kzalloc(&hdev->dev, sizeof(struct u1_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;
|
||||
}
|
||||
|
||||
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);
|
||||
kfree(priv);
|
||||
}
|
||||
|
||||
static const struct hid_device_id alps_id[] = {
|
||||
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY,
|
||||
USB_VENDOR_ID_ALPS_JP, HID_ANY_ID) },
|
||||
{ }
|
||||
};
|
||||
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");
|
|
@ -70,6 +70,8 @@
|
|||
#define USB_VENDOR_ID_ALPS 0x0433
|
||||
#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
|
||||
|
||||
#define USB_VENDOR_ID_ALPS_JP 0x044E
|
||||
|
||||
#define USB_VENDOR_ID_ANTON 0x1130
|
||||
#define USB_DEVICE_ID_ANTON_TOUCH_PAD 0x3101
|
||||
|
||||
|
|
Loading…
Reference in a new issue