mirror of
https://github.com/FunKey-Project/FunKey-GPIO-Mapping.git
synced 2025-12-12 17:58:54 +01:00
added i2c and uinput linux headers for compilation
This commit is contained in:
Vincent-FK
parent
0cfcca07cc
commit
65fd83e6d5
40
Makefile
40
Makefile
@ -1,21 +1,19 @@
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TOOLS_CFLAGS := -Wstrict-prototypes -Wshadow -Wpointer-arith -Wcast-qual \
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-Wcast-align -Wwrite-strings -Wnested-externs -Winline \
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-W -Wundef -Wmissing-prototypes
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#
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# Programs
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#
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all: funkey_gpio_management
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funkey_gpio_management: funkey_gpio_management.o gpio-utils.o uinput.o gpio_mapping.o read_conf_file.o keydefs.o driver_pcal6416a.o
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$(CC) $(LDFLAGS) -o $@ $^
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#
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# Objects
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#
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%.o: %.c
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$(CC) $(CFLAGS) $(TOOLS_CFLAGS) -c $< -o $@
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clean:
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rm *.o funkey_gpio_management
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TOOLS_CFLAGS := -Wall -std=c99 -D _DEFAULT_SOURCE
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#
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# Programs
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#
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all: funkey_gpio_management
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funkey_gpio_management: funkey_gpio_management.o gpio-utils.o uinput.o gpio_mapping.o read_conf_file.o keydefs.o driver_pcal6416a.o smbus.o
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
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#
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# Objects
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#
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%.o: %.c
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$(CC) $(CFLAGS) $(TOOLS_CFLAGS) -c $< -o $@
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clean:
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rm *.o funkey_gpio_management
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@ -10,7 +10,9 @@
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#include <linux/input.h>
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#include "read_conf_file.h"
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#include <assert.h>
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#include <linux/i2c.h>
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#include <linux/i2c-dev.h>
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#include "smbus.h"
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#include "driver_pcal6416a.h"
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/****************************************************************
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BIN
driver_pcal6416a.o
Normal file
BIN
driver_pcal6416a.o
Normal file
Binary file not shown.
BIN
funkey_gpio_management
Executable file
BIN
funkey_gpio_management
Executable file
Binary file not shown.
BIN
funkey_gpio_management.o
Normal file
BIN
funkey_gpio_management.o
Normal file
Binary file not shown.
BIN
gpio-utils.o
Normal file
BIN
gpio-utils.o
Normal file
Binary file not shown.
BIN
gpio_mapping.o
Normal file
BIN
gpio_mapping.o
Normal file
Binary file not shown.
BIN
read_conf_file.o
Normal file
BIN
read_conf_file.o
Normal file
Binary file not shown.
224
smbus.c
Executable file
224
smbus.c
Executable file
@ -0,0 +1,224 @@
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/*
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smbus.c - SMBus level access helper functions
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Copyright (C) 1995-1997 Simon G. Vogl
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Copyright (C) 1998-1999 Frodo Looijaard <frodol@dds.nl>
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Copyright (C) 2012-2013 Jean Delvare <jdelvare@suse.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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||||
|
||||
You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301 USA.
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*/
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#include <errno.h>
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#include <stddef.h>
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#include "smbus.h"
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#include <sys/ioctl.h>
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#include <linux/types.h>
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#include <linux/i2c.h>
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#include <linux/i2c-dev.h>
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/* Compatibility defines */
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#ifndef I2C_SMBUS_I2C_BLOCK_BROKEN
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#define I2C_SMBUS_I2C_BLOCK_BROKEN I2C_SMBUS_I2C_BLOCK_DATA
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#endif
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#ifndef I2C_FUNC_SMBUS_PEC
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#define I2C_FUNC_SMBUS_PEC I2C_FUNC_SMBUS_HWPEC_CALC
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#endif
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__s32 i2c_smbus_access(int file, char read_write, __u8 command,
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int size, union i2c_smbus_data *data)
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{
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struct i2c_smbus_ioctl_data args;
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__s32 err;
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args.read_write = read_write;
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args.command = command;
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args.size = size;
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args.data = data;
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err = ioctl(file, I2C_SMBUS, &args);
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if (err == -1)
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err = -errno;
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return err;
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}
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__s32 i2c_smbus_write_quick(int file, __u8 value)
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{
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return i2c_smbus_access(file, value, 0, I2C_SMBUS_QUICK, NULL);
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}
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__s32 i2c_smbus_read_byte(int file)
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{
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union i2c_smbus_data data;
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int err;
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err = i2c_smbus_access(file, I2C_SMBUS_READ, 0, I2C_SMBUS_BYTE, &data);
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if (err < 0)
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return err;
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return 0x0FF & data.byte;
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}
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__s32 i2c_smbus_write_byte(int file, __u8 value)
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{
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return i2c_smbus_access(file, I2C_SMBUS_WRITE, value,
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I2C_SMBUS_BYTE, NULL);
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}
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__s32 i2c_smbus_read_byte_data(int file, __u8 command)
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{
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union i2c_smbus_data data;
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int err;
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err = i2c_smbus_access(file, I2C_SMBUS_READ, command,
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I2C_SMBUS_BYTE_DATA, &data);
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if (err < 0)
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return err;
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return 0x0FF & data.byte;
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}
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__s32 i2c_smbus_write_byte_data(int file, __u8 command, __u8 value)
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{
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union i2c_smbus_data data;
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data.byte = value;
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return i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_BYTE_DATA, &data);
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}
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__s32 i2c_smbus_read_word_data(int file, __u8 command)
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{
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union i2c_smbus_data data;
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int err;
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err = i2c_smbus_access(file, I2C_SMBUS_READ, command,
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I2C_SMBUS_WORD_DATA, &data);
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if (err < 0)
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return err;
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return 0x0FFFF & data.word;
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}
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__s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value)
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{
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union i2c_smbus_data data;
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data.word = value;
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return i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_WORD_DATA, &data);
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}
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__s32 i2c_smbus_process_call(int file, __u8 command, __u16 value)
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{
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union i2c_smbus_data data;
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data.word = value;
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if (i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_PROC_CALL, &data))
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return -1;
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else
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return 0x0FFFF & data.word;
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}
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/* Returns the number of read bytes */
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__s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values)
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{
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union i2c_smbus_data data;
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int i, err;
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err = i2c_smbus_access(file, I2C_SMBUS_READ, command,
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I2C_SMBUS_BLOCK_DATA, &data);
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if (err < 0)
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return err;
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for (i = 1; i <= data.block[0]; i++)
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values[i-1] = data.block[i];
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return data.block[0];
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}
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__s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length,
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const __u8 *values)
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{
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union i2c_smbus_data data;
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int i;
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if (length > I2C_SMBUS_BLOCK_MAX)
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length = I2C_SMBUS_BLOCK_MAX;
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for (i = 1; i <= length; i++)
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data.block[i] = values[i-1];
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data.block[0] = length;
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return i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_BLOCK_DATA, &data);
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}
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/* Returns the number of read bytes */
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/* Until kernel 2.6.22, the length is hardcoded to 32 bytes. If you
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ask for less than 32 bytes, your code will only work with kernels
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2.6.23 and later. */
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__s32 i2c_smbus_read_i2c_block_data(int file, __u8 command, __u8 length,
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__u8 *values)
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{
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union i2c_smbus_data data;
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int i, err;
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if (length > I2C_SMBUS_BLOCK_MAX)
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length = I2C_SMBUS_BLOCK_MAX;
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data.block[0] = length;
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err = i2c_smbus_access(file, I2C_SMBUS_READ, command,
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length == 32 ? I2C_SMBUS_I2C_BLOCK_BROKEN :
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I2C_SMBUS_I2C_BLOCK_DATA, &data);
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if (err < 0)
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return err;
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for (i = 1; i <= data.block[0]; i++)
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values[i-1] = data.block[i];
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return data.block[0];
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}
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__s32 i2c_smbus_write_i2c_block_data(int file, __u8 command, __u8 length,
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const __u8 *values)
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{
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union i2c_smbus_data data;
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int i;
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if (length > I2C_SMBUS_BLOCK_MAX)
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length = I2C_SMBUS_BLOCK_MAX;
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for (i = 1; i <= length; i++)
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data.block[i] = values[i-1];
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data.block[0] = length;
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return i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_I2C_BLOCK_BROKEN, &data);
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}
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/* Returns the number of read bytes */
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__s32 i2c_smbus_block_process_call(int file, __u8 command, __u8 length,
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__u8 *values)
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{
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union i2c_smbus_data data;
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int i, err;
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if (length > I2C_SMBUS_BLOCK_MAX)
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length = I2C_SMBUS_BLOCK_MAX;
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for (i = 1; i <= length; i++)
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data.block[i] = values[i-1];
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data.block[0] = length;
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err = i2c_smbus_access(file, I2C_SMBUS_WRITE, command,
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I2C_SMBUS_BLOCK_PROC_CALL, &data);
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if (err < 0)
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return err;
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for (i = 1; i <= data.block[0]; i++)
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values[i-1] = data.block[i];
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return data.block[0];
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}
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61
smbus.h
Executable file
61
smbus.h
Executable file
@ -0,0 +1,61 @@
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/*
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smbus.h - SMBus level access helper functions
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||||
|
||||
Copyright (C) 1995-97 Simon G. Vogl
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Copyright (C) 1998-99 Frodo Looijaard <frodol@dds.nl>
|
||||
|
||||
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.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||||
MA 02110-1301 USA.
|
||||
*/
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#ifndef LIB_I2C_SMBUS_H
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#define LIB_I2C_SMBUS_H
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#define I2C_API_VERSION 0x100
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#include <linux/types.h>
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#include <linux/i2c.h>
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extern __s32 i2c_smbus_access(int file, char read_write, __u8 command,
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int size, union i2c_smbus_data *data);
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extern __s32 i2c_smbus_write_quick(int file, __u8 value);
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extern __s32 i2c_smbus_read_byte(int file);
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extern __s32 i2c_smbus_write_byte(int file, __u8 value);
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extern __s32 i2c_smbus_read_byte_data(int file, __u8 command);
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||||
extern __s32 i2c_smbus_write_byte_data(int file, __u8 command, __u8 value);
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extern __s32 i2c_smbus_read_word_data(int file, __u8 command);
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||||
extern __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value);
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||||
extern __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value);
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||||
|
||||
/* Returns the number of read bytes */
|
||||
extern __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values);
|
||||
extern __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length,
|
||||
const __u8 *values);
|
||||
|
||||
/* Returns the number of read bytes */
|
||||
/* Until kernel 2.6.22, the length is hardcoded to 32 bytes. If you
|
||||
ask for less than 32 bytes, your code will only work with kernels
|
||||
2.6.23 and later. */
|
||||
extern __s32 i2c_smbus_read_i2c_block_data(int file, __u8 command, __u8 length,
|
||||
__u8 *values);
|
||||
extern __s32 i2c_smbus_write_i2c_block_data(int file, __u8 command, __u8 length,
|
||||
const __u8 *values);
|
||||
|
||||
/* Returns the number of read bytes */
|
||||
extern __s32 i2c_smbus_block_process_call(int file, __u8 command, __u8 length,
|
||||
__u8 *values);
|
||||
|
||||
#endif /* LIB_I2C_SMBUS_H */
|
||||
3
uinput.c
3
uinput.c
@ -30,7 +30,8 @@
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/uinput.h>
|
||||
//#include <linux/uinput.h>
|
||||
#include "uinput_linux.h"
|
||||
//#include "config.h"
|
||||
//include "daemon.h"
|
||||
#include "uinput.h"
|
||||
|
||||
232
uinput_linux.h
Executable file
232
uinput_linux.h
Executable file
@ -0,0 +1,232 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
|
||||
/*
|
||||
* User level driver support for input subsystem
|
||||
*
|
||||
* Heavily based on evdev.c by Vojtech Pavlik
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
|
||||
*
|
||||
* Changes/Revisions:
|
||||
* 0.5 08/13/2015 (David Herrmann <dh.herrmann@gmail.com> &
|
||||
* Benjamin Tissoires <benjamin.tissoires@redhat.com>)
|
||||
* - add UI_DEV_SETUP ioctl
|
||||
* - add UI_ABS_SETUP ioctl
|
||||
* - add UI_GET_VERSION ioctl
|
||||
* 0.4 01/09/2014 (Benjamin Tissoires <benjamin.tissoires@redhat.com>)
|
||||
* - add UI_GET_SYSNAME ioctl
|
||||
* 0.3 24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>)
|
||||
* - update ff support for the changes in kernel interface
|
||||
* - add UINPUT_VERSION
|
||||
* 0.2 16/10/2004 (Micah Dowty <micah@navi.cx>)
|
||||
* - added force feedback support
|
||||
* - added UI_SET_PHYS
|
||||
* 0.1 20/06/2002
|
||||
* - first public version
|
||||
*/
|
||||
#ifndef _UAPI__UINPUT_H_
|
||||
#define _UAPI__UINPUT_H_
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/input.h>
|
||||
|
||||
#define UINPUT_VERSION 5
|
||||
#define UINPUT_MAX_NAME_SIZE 80
|
||||
|
||||
struct uinput_ff_upload {
|
||||
__u32 request_id;
|
||||
__s32 retval;
|
||||
struct ff_effect effect;
|
||||
struct ff_effect old;
|
||||
};
|
||||
|
||||
struct uinput_ff_erase {
|
||||
__u32 request_id;
|
||||
__s32 retval;
|
||||
__u32 effect_id;
|
||||
};
|
||||
|
||||
/* ioctl */
|
||||
#define UINPUT_IOCTL_BASE 'U'
|
||||
#define UI_DEV_CREATE _IO(UINPUT_IOCTL_BASE, 1)
|
||||
#define UI_DEV_DESTROY _IO(UINPUT_IOCTL_BASE, 2)
|
||||
|
||||
struct uinput_setup {
|
||||
struct input_id id;
|
||||
char name[UINPUT_MAX_NAME_SIZE];
|
||||
__u32 ff_effects_max;
|
||||
};
|
||||
|
||||
/**
|
||||
* UI_DEV_SETUP - Set device parameters for setup
|
||||
*
|
||||
* This ioctl sets parameters for the input device to be created. It
|
||||
* supersedes the old "struct uinput_user_dev" method, which wrote this data
|
||||
* via write(). To actually set the absolute axes UI_ABS_SETUP should be
|
||||
* used.
|
||||
*
|
||||
* The ioctl takes a "struct uinput_setup" object as argument. The fields of
|
||||
* this object are as follows:
|
||||
* id: See the description of "struct input_id". This field is
|
||||
* copied unchanged into the new device.
|
||||
* name: This is used unchanged as name for the new device.
|
||||
* ff_effects_max: This limits the maximum numbers of force-feedback effects.
|
||||
* See below for a description of FF with uinput.
|
||||
*
|
||||
* This ioctl can be called multiple times and will overwrite previous values.
|
||||
* If this ioctl fails with -EINVAL, it is recommended to use the old
|
||||
* "uinput_user_dev" method via write() as a fallback, in case you run on an
|
||||
* old kernel that does not support this ioctl.
|
||||
*
|
||||
* This ioctl may fail with -EINVAL if it is not supported or if you passed
|
||||
* incorrect values, -ENOMEM if the kernel runs out of memory or -EFAULT if the
|
||||
* passed uinput_setup object cannot be read/written.
|
||||
* If this call fails, partial data may have already been applied to the
|
||||
* internal device.
|
||||
*/
|
||||
#define UI_DEV_SETUP _IOW(UINPUT_IOCTL_BASE, 3, struct uinput_setup)
|
||||
|
||||
struct uinput_abs_setup {
|
||||
__u16 code; /* axis code */
|
||||
/* __u16 filler; */
|
||||
struct input_absinfo absinfo;
|
||||
};
|
||||
|
||||
/**
|
||||
* UI_ABS_SETUP - Set absolute axis information for the device to setup
|
||||
*
|
||||
* This ioctl sets one absolute axis information for the input device to be
|
||||
* created. It supersedes the old "struct uinput_user_dev" method, which wrote
|
||||
* part of this data and the content of UI_DEV_SETUP via write().
|
||||
*
|
||||
* The ioctl takes a "struct uinput_abs_setup" object as argument. The fields
|
||||
* of this object are as follows:
|
||||
* code: The corresponding input code associated with this axis
|
||||
* (ABS_X, ABS_Y, etc...)
|
||||
* absinfo: See "struct input_absinfo" for a description of this field.
|
||||
* This field is copied unchanged into the kernel for the
|
||||
* specified axis. If the axis is not enabled via
|
||||
* UI_SET_ABSBIT, this ioctl will enable it.
|
||||
*
|
||||
* This ioctl can be called multiple times and will overwrite previous values.
|
||||
* If this ioctl fails with -EINVAL, it is recommended to use the old
|
||||
* "uinput_user_dev" method via write() as a fallback, in case you run on an
|
||||
* old kernel that does not support this ioctl.
|
||||
*
|
||||
* This ioctl may fail with -EINVAL if it is not supported or if you passed
|
||||
* incorrect values, -ENOMEM if the kernel runs out of memory or -EFAULT if the
|
||||
* passed uinput_setup object cannot be read/written.
|
||||
* If this call fails, partial data may have already been applied to the
|
||||
* internal device.
|
||||
*/
|
||||
#define UI_ABS_SETUP _IOW(UINPUT_IOCTL_BASE, 4, struct uinput_abs_setup)
|
||||
|
||||
#define UI_SET_EVBIT _IOW(UINPUT_IOCTL_BASE, 100, int)
|
||||
#define UI_SET_KEYBIT _IOW(UINPUT_IOCTL_BASE, 101, int)
|
||||
#define UI_SET_RELBIT _IOW(UINPUT_IOCTL_BASE, 102, int)
|
||||
#define UI_SET_ABSBIT _IOW(UINPUT_IOCTL_BASE, 103, int)
|
||||
#define UI_SET_MSCBIT _IOW(UINPUT_IOCTL_BASE, 104, int)
|
||||
#define UI_SET_LEDBIT _IOW(UINPUT_IOCTL_BASE, 105, int)
|
||||
#define UI_SET_SNDBIT _IOW(UINPUT_IOCTL_BASE, 106, int)
|
||||
#define UI_SET_FFBIT _IOW(UINPUT_IOCTL_BASE, 107, int)
|
||||
#define UI_SET_PHYS _IOW(UINPUT_IOCTL_BASE, 108, char*)
|
||||
#define UI_SET_SWBIT _IOW(UINPUT_IOCTL_BASE, 109, int)
|
||||
#define UI_SET_PROPBIT _IOW(UINPUT_IOCTL_BASE, 110, int)
|
||||
|
||||
#define UI_BEGIN_FF_UPLOAD _IOWR(UINPUT_IOCTL_BASE, 200, struct uinput_ff_upload)
|
||||
#define UI_END_FF_UPLOAD _IOW(UINPUT_IOCTL_BASE, 201, struct uinput_ff_upload)
|
||||
#define UI_BEGIN_FF_ERASE _IOWR(UINPUT_IOCTL_BASE, 202, struct uinput_ff_erase)
|
||||
#define UI_END_FF_ERASE _IOW(UINPUT_IOCTL_BASE, 203, struct uinput_ff_erase)
|
||||
|
||||
/**
|
||||
* UI_GET_SYSNAME - get the sysfs name of the created uinput device
|
||||
*
|
||||
* @return the sysfs name of the created virtual input device.
|
||||
* The complete sysfs path is then /sys/devices/virtual/input/--NAME--
|
||||
* Usually, it is in the form "inputN"
|
||||
*/
|
||||
#define UI_GET_SYSNAME(len) _IOC(_IOC_READ, UINPUT_IOCTL_BASE, 44, len)
|
||||
|
||||
/**
|
||||
* UI_GET_VERSION - Return version of uinput protocol
|
||||
*
|
||||
* This writes uinput protocol version implemented by the kernel into
|
||||
* the integer pointed to by the ioctl argument. The protocol version
|
||||
* is hard-coded in the kernel and is independent of the uinput device.
|
||||
*/
|
||||
#define UI_GET_VERSION _IOR(UINPUT_IOCTL_BASE, 45, unsigned int)
|
||||
|
||||
/*
|
||||
* To write a force-feedback-capable driver, the upload_effect
|
||||
* and erase_effect callbacks in input_dev must be implemented.
|
||||
* The uinput driver will generate a fake input event when one of
|
||||
* these callbacks are invoked. The userspace code then uses
|
||||
* ioctls to retrieve additional parameters and send the return code.
|
||||
* The callback blocks until this return code is sent.
|
||||
*
|
||||
* The described callback mechanism is only used if ff_effects_max
|
||||
* is set.
|
||||
*
|
||||
* To implement upload_effect():
|
||||
* 1. Wait for an event with type == EV_UINPUT and code == UI_FF_UPLOAD.
|
||||
* A request ID will be given in 'value'.
|
||||
* 2. Allocate a uinput_ff_upload struct, fill in request_id with
|
||||
* the 'value' from the EV_UINPUT event.
|
||||
* 3. Issue a UI_BEGIN_FF_UPLOAD ioctl, giving it the
|
||||
* uinput_ff_upload struct. It will be filled in with the
|
||||
* ff_effects passed to upload_effect().
|
||||
* 4. Perform the effect upload, and place a return code back into
|
||||
the uinput_ff_upload struct.
|
||||
* 5. Issue a UI_END_FF_UPLOAD ioctl, also giving it the
|
||||
* uinput_ff_upload_effect struct. This will complete execution
|
||||
* of our upload_effect() handler.
|
||||
*
|
||||
* To implement erase_effect():
|
||||
* 1. Wait for an event with type == EV_UINPUT and code == UI_FF_ERASE.
|
||||
* A request ID will be given in 'value'.
|
||||
* 2. Allocate a uinput_ff_erase struct, fill in request_id with
|
||||
* the 'value' from the EV_UINPUT event.
|
||||
* 3. Issue a UI_BEGIN_FF_ERASE ioctl, giving it the
|
||||
* uinput_ff_erase struct. It will be filled in with the
|
||||
* effect ID passed to erase_effect().
|
||||
* 4. Perform the effect erasure, and place a return code back
|
||||
* into the uinput_ff_erase struct.
|
||||
* 5. Issue a UI_END_FF_ERASE ioctl, also giving it the
|
||||
* uinput_ff_erase_effect struct. This will complete execution
|
||||
* of our erase_effect() handler.
|
||||
*/
|
||||
|
||||
/*
|
||||
* This is the new event type, used only by uinput.
|
||||
* 'code' is UI_FF_UPLOAD or UI_FF_ERASE, and 'value'
|
||||
* is the unique request ID. This number was picked
|
||||
* arbitrarily, above EV_MAX (since the input system
|
||||
* never sees it) but in the range of a 16-bit int.
|
||||
*/
|
||||
#define EV_UINPUT 0x0101
|
||||
#define UI_FF_UPLOAD 1
|
||||
#define UI_FF_ERASE 2
|
||||
|
||||
struct uinput_user_dev {
|
||||
char name[UINPUT_MAX_NAME_SIZE];
|
||||
struct input_id id;
|
||||
__u32 ff_effects_max;
|
||||
__s32 absmax[ABS_CNT];
|
||||
__s32 absmin[ABS_CNT];
|
||||
__s32 absfuzz[ABS_CNT];
|
||||
__s32 absflat[ABS_CNT];
|
||||
};
|
||||
#endif /* _UAPI__UINPUT_H_ */
|
||||
Loading…
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Reference in New Issue
Block a user