forked from len0rd/rockbox
86e8c28330
Since the bootloader currently always fails at storage point (unimplemented), always enter touchpad debug screen and power off which pressing power button. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29859 a1c6a512-1295-4272-9138-f99709370657
63 lines
3.1 KiB
C
63 lines
3.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef SYNAPTICS_RMI_H
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#define SYNAPTICS_RMI_H
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#define RMI_PAGE_SELECT 0xff /* $xxff */
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#define RMI_MAKE_REG(fn, reg) (((fn) << 8) | (reg))
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#define RMI_DEVICE_CONTROL 0x0 /* $0000 */
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#define RMI_INTERRUPT_ENABLE 0x1 /* $0001 */
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#define RMI_INTERRUPT_REQUEST 0x3 /* $0003 */
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#define RMI_PRODUCT_ID 0x210 /* $0210 */
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#define RMI_PRODUCT_ID_LEN 16
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#define RMI_2D_TOUCHPAD_FUNCTION 0x10
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#define RMI_FUNCTION_PRESENCE(fn) RMI_MAKE_REG(0x03, fn) /* $03xx */
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#define RMI_FUNCTION_VERSION(fn) RMI_MAKE_REG(fn, 0) /* $xx00 */
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#define RMI_DATA_REGISTER(data_src) RMI_MAKE_REG(0x4, data_src) /* $04xx */
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/* 2D TouchPad/ClearPad */
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#define RMI_2D_REG(reg) RMI_MAKE_REG(RMI_2D_TOUCHPAD_FUNCTION, reg)
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#define RMI_2D_SENSOR_PROP1(sens) RMI_2D_REG(8 * (sens) + 0x2)
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#define RMI_2D_SENSOR_PROP2(sens) RMI_2D_REG(8 * (sens) + 0x3)
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#define RMI_2D_SENSOR_XMAX_MSB(s) RMI_2D_REG(8 * (s) + 0x4)
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#define RMI_2D_SENSOR_XMAX_LSB(s) RMI_2D_REG(8 * (s) + 0x5)
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#define RMI_2D_SENSOR_YMAX_MSB(s) RMI_2D_REG(8 * (s) + 0x6)
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#define RMI_2D_SENSOR_YMAX_LSB(s) RMI_2D_REG(8 * (s) + 0x7)
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#define RMI_2D_SENSOR_RESOLUTION(s) RMI_2D_REG(8 * (s) + 0x8)
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/* Initialize the RMI driver, the i2c_bus_index is the bus index returned by
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* the generic_i2c driver; the i2c_dev_addr is the i2c address of the device.
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* NOTE: the driver automatically handles the page select mechanism used for
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* RMI over i2c and assumes a standard page select register at 0xff. */
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int rmi_init(int i2c_bus_index, int i2c_dev_addr);
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/* Read one or more registers.
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* WARNING: don't cross a page boundary ! */
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int rmi_read(int address, int byte_count, unsigned char *buffer);
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/* Read a single register (return -1 on error)
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* WARNING: beware of register consistency (N x read 1 byte != reads N bytes) */
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int rmi_read_single(int address); /* return byte value or <0 in case of error */
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/* Write one of more register
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* WARNING: don't cross a page boundary ! */
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int rmi_write(int address, int byte_count, const unsigned char *buffer);
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/* Write one register
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* WARNING: don't cross a page boundary ! */
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int rmi_write_single(int address, unsigned char byte);
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#endif
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