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 */
39