release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s3c2410/include/mach/spi.h

   1 /* arch/arm/mach-s3c2410/include/mach/spi.h
   2  *
   3  * Copyright (c) 2006 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * S3C2410 - SPI Controller platform_device info
   7  *
   8  * This program 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
  13 #ifndef __ASM_ARCH_SPI_H
  14 #define __ASM_ARCH_SPI_H __FILE__
  15
  16 struct s3c2410_spi_info {
  17         int                      pin_cs;        /* simple gpio cs */
  18         unsigned int             num_cs;        /* total chipselects */
  19         int                      bus_num;       /* bus number to use. */
  20
  21         unsigned int             use_fiq:1;     /* use fiq */
  22
  23         void (*gpio_setup)(struct s3c2410_spi_info *spi, int enable);
  24         void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
  25 };
  26
  27 /* Standard setup / suspend routines for SPI GPIO pins. */
  28
  29 extern void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
  30                                                  int enable);
  31
  32 extern void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi,
  33                                               int enable);
  34
  35 extern void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi,
  36                                                int enable);
  37
  38 #endif /* __ASM_ARCH_SPI_H */