arch/mips/include/asm/txx9/spi.h

   1 /*
   2  * Definitions for TX4937/TX4938 SPI
   3  *
   4  * Copyright (C) 2000-2001 Toshiba Corporation
   5  *
   6  * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
   7  * terms of the GNU General Public License version 2. This program is
   8  * licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  *
  11  * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
  12  */
  13 #ifndef __ASM_TXX9_SPI_H
  14 #define __ASM_TXX9_SPI_H
  15
  16 #include <linux/errno.h>
  17
  18 #ifdef CONFIG_SPI
  19 int spi_eeprom_register(int busid, int chipid, int size);
  20 int spi_eeprom_read(int busid, int chipid,
  21                     int address, unsigned char *buf, int len);
  22 #else
  23 static inline int spi_eeprom_register(int busid, int chipid, int size)
  24 {
  25         return -ENODEV;
  26 }
  27 static inline int spi_eeprom_read(int busid, int chipid,
  28                                   int address, unsigned char *buf, int len)
  29 {
  30         return -ENODEV;
  31 }
  32 #endif
  33
  34 #endif /* __ASM_TXX9_SPI_H */