include/linux/spi/tsc2101.h

   1 /*
   2  * include/linux/spi/tsc2101.h
   3  *
   4  * TSC2101 codec interface driver for the OMAP platform
   5  *
   6  * Copyright (C) 2004 Texas Instruments, Inc.
   7  *
   8  * This package is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  13  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  14  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  15  *
  16  * History:
  17  *
  18  * 2004/11/07   Nishanth Menon - Provided common hooks for Audio and Touchscreen
  19  */
  20
  21 #ifndef __OMAP_TSC2101_H
  22 #define __OMAP_TSC2101_H
  23
  24 #include <linux/spi/spi.h>
  25
  26 struct tsc2101_platform_data {
  27         int     (*init)(struct spi_device *spi);
  28         void    (*cleanup)(struct spi_device *spi);
  29         void    (*enable_mclk)(struct spi_device *spi);
  30         void    (*disable_mclk)(struct spi_device *spi);
  31 };
  32
  33 extern int tsc2101_read_sync(struct spi_device *spi, int page, u8 address);
  34 extern int tsc2101_reads_sync(struct spi_device *spi, int page,
  35                                u8 startaddress, u16 * data, int numregs);
  36 extern int tsc2101_write_sync(struct spi_device *spi, int page, u8 address,
  37                                u16 data);
  38
  39 extern int tsc2101_enable_mclk(struct spi_device *spi);
  40 extern void tsc2101_disable_mclk(struct spi_device *spi);
  41
  42 #endif
  43