/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2011 by Amaury Pouly * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef SYNAPTICS_RMI_H #define SYNAPTICS_RMI_H #define RMI_PAGE_SELECT 0xff /* $xxff */ #define RMI_MAKE_REG(fn, reg) (((fn) << 8) | (reg)) #define RMI_DEVICE_CONTROL 0x0 /* $0000 */ #define RMI_INTERRUPT_ENABLE 0x1 /* $0001 */ #define RMI_INTERRUPT_REQUEST 0x3 /* $0003 */ #define RMI_PRODUCT_ID 0x210 /* $0210 */ #define RMI_PRODUCT_ID_LEN 16 #define RMI_2D_TOUCHPAD_FUNCTION 0x10 #define RMI_FUNCTION_PRESENCE(fn) RMI_MAKE_REG(0x03, fn) /* $03xx */ #define RMI_FUNCTION_VERSION(fn) RMI_MAKE_REG(fn, 0) /* $xx00 */ #define RMI_DATA_REGISTER(data_src) RMI_MAKE_REG(0x4, data_src) /* $04xx */ /* 2D TouchPad/ClearPad */ #define RMI_2D_REG(reg) RMI_MAKE_REG(RMI_2D_TOUCHPAD_FUNCTION, reg) #define RMI_2D_SENSOR_PROP1(sens) RMI_2D_REG(8 * (sens) + 0x2) #define RMI_2D_SENSOR_PROP2(sens) RMI_2D_REG(8 * (sens) + 0x3) #define RMI_2D_SENSOR_XMAX_MSB(s) RMI_2D_REG(8 * (s) + 0x4) #define RMI_2D_SENSOR_XMAX_LSB(s) RMI_2D_REG(8 * (s) + 0x5) #define RMI_2D_SENSOR_YMAX_MSB(s) RMI_2D_REG(8 * (s) + 0x6) #define RMI_2D_SENSOR_YMAX_LSB(s) RMI_2D_REG(8 * (s) + 0x7) #define RMI_2D_SENSOR_RESOLUTION(s) RMI_2D_REG(8 * (s) + 0x8) #define RMI_2D_GLOBAL_SETTINGS RMI_2D_REG(0x41) #define RMI_2D_GESTURE_SETTINGS RMI_2D_REG(0x42) #define RMI_2D_GESTURE_PRESS_TIME_BM 0x7 #define RMI_2D_GESTURE_PRESS_TIME_300MS 0 #define RMI_2D_GESTURE_PRESS_TIME_400MS 1 #define RMI_2D_GESTURE_PRESS_TIME_500MS 2 #define RMI_2D_GESTURE_PRESS_TIME_600MS 3 #define RMI_2D_GESTURE_PRESS_TIME_700MS 4 #define RMI_2D_GESTURE_PRESS_TIME_800MS 5 #define RMI_2D_GESTURE_PRESS_TIME_900MS 6 #define RMI_2D_GESTURE_PRESS_TIME_1S 7 #define RMI_2D_GESTURE_FLICK_DIST_BM (0x7 << 3) #define RMI_2D_GESTURE_FLICK_DIST_BP 3 #define RMI_2D_GESTURE_FLICK_DIST_4MM 0 #define RMI_2D_GESTURE_FLICK_DIST_5MM 1 #define RMI_2D_GESTURE_FLICK_DIST_6MM 2 #define RMI_2D_GESTURE_FLICK_DIST_7MM 3 #define RMI_2D_GESTURE_FLICK_DIST_8MM 4 #define RMI_2D_GESTURE_FLICK_DIST_9MM 5 #define RMI_2D_GESTURE_FLICK_DIST_10MM 6 #define RMI_2D_GESTURE_FLICK_DIST_11MM 7 #define RMI_2D_GESTURE_FLICK_TIME_BM (2 << 6) #define RMI_2D_GESTURE_FLICK_TIME_BP 6 #define RMI_2D_GESTURE_FLICK_TIME_250MS 0 #define RMI_2D_GESTURE_FLICK_TIME_400MS 1 #define RMI_2D_GESTURE_FLICK_TIME_550MS 2 #define RMI_2D_GESTURE_FLICK_TIME_700MS 3 #define RMI_2D_SENSITIVITY_ADJ RMI_2D_REG(0x44) #define RMI_2D_MIN_DIST RMI_2D_REG(0x45) /* 2D TouchPad/ClearPad data registers */ struct rmi_2d_absolute_data_t { unsigned char misc; unsigned char z; unsigned char x_msb; unsigned char x_lsb; unsigned char y_msb; unsigned char y_lsb; } __attribute__((packed)); #define RMI_2D_ABS_MISC_NR_FINGERS_BM 7 #define RMI_2D_ABS_MISC_GESTURE (1 << 3) #define RMI_2D_ABS_MISC_WIDTH_BM 0xf0 #define RMI_2D_ABS_MISC_WIDTH_BP 4 #define RMI_2D_GEST_MISC_TAP_CODE_BM 7 #define RMI_2D_GEST_MISC_NO_TAP 0 #define RMI_2D_GEST_MISC_SINGLE_TAP 1 #define RMI_2D_GEST_MISC_TAP_AND_HOLD 2 #define RMI_2D_GEST_MISC_DOUBLE_TAP 3 #define RMI_2D_GEST_MISC_PRESS (1 << 3) #define RMI_2D_GEST_MISC_FLICK (1 << 4) #define RMI_2D_GEST_MISC_PINCH (1 << 5) #define RMI_2D_GEST_MISC_CONFIRMED (1 << 7) #define RMI_2D_GEST_FLICK_X_BM 0x0f #define RMI_2D_GEST_FLICK_Y_BM 0xf0 #define RMI_2D_GEST_FLICK_Y_BP 4 struct rmi_2d_relative_data_t { signed char x; /* signed */ signed char y; /* signed */ } __attribute__((packed)); struct rmi_2d_gesture_data_t { unsigned char misc; unsigned char flick; } __attribute__((packed)); /* Initialize the RMI driver, the i2c_bus_index is the bus index returned by * the generic_i2c driver; the i2c_dev_addr is the i2c address of the device. * NOTE: the driver automatically handles the page select mechanism used for * RMI over i2c and assumes a standard page select register at 0xff. */ int rmi_init(int i2c_bus_index, int i2c_dev_addr); /* Read one or more registers. * WARNING: don't cross a page boundary ! */ int rmi_read(int address, int byte_count, unsigned char *buffer); /* Read a single register (return -1 on error) * WARNING: beware of register consistency (N x read 1 byte != reads N bytes) */ int rmi_read_single(int address); /* return byte value or <0 in case of error */ /* Write one of more register * WARNING: don't cross a page boundary ! */ int rmi_write(int address, int byte_count, const unsigned char *buffer); /* Write one register * WARNING: don't cross a page boundary ! */ int rmi_write_single(int address, unsigned char byte); #endif