ar71xx: move arch specific files to files-2.6.39
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files-2.6.39 / arch / mips / include / asm / mach-ar71xx / rb4xx_cpld.h
1 /*
2 * SPI driver definitions for the CPLD chip on the Mikrotik RB4xx boards
3 *
4 * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This file was based on the patches for Linux 2.6.27.39 published by
7 * MikroTik for their RouterBoard 4xx series devices.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
12 */
13
14 #define CPLD_GPIO_nLED1 0
15 #define CPLD_GPIO_nLED2 1
16 #define CPLD_GPIO_nLED3 2
17 #define CPLD_GPIO_nLED4 3
18 #define CPLD_GPIO_FAN 4
19 #define CPLD_GPIO_ALE 5
20 #define CPLD_GPIO_CLE 6
21 #define CPLD_GPIO_nCE 7
22 #define CPLD_GPIO_nLED5 8
23
24 #define CPLD_NUM_GPIOS 9
25
26 #define CPLD_CFG_nLED1 BIT(CPLD_GPIO_nLED1)
27 #define CPLD_CFG_nLED2 BIT(CPLD_GPIO_nLED2)
28 #define CPLD_CFG_nLED3 BIT(CPLD_GPIO_nLED3)
29 #define CPLD_CFG_nLED4 BIT(CPLD_GPIO_nLED4)
30 #define CPLD_CFG_FAN BIT(CPLD_GPIO_FAN)
31 #define CPLD_CFG_ALE BIT(CPLD_GPIO_ALE)
32 #define CPLD_CFG_CLE BIT(CPLD_GPIO_CLE)
33 #define CPLD_CFG_nCE BIT(CPLD_GPIO_nCE)
34 #define CPLD_CFG_nLED5 BIT(CPLD_GPIO_nLED5)
35
36 struct rb4xx_cpld_platform_data {
37 unsigned gpio_base;
38 };
39
40 extern int rb4xx_cpld_change_cfg(unsigned mask, unsigned value);
41 extern int rb4xx_cpld_read(unsigned char *rx_buf,
42 const unsigned char *verify_buf,
43 unsigned cnt);
44 extern int rb4xx_cpld_read_from(unsigned addr,
45 unsigned char *rx_buf,
46 const unsigned char *verify_buf,
47 unsigned cnt);
48 extern int rb4xx_cpld_write(const unsigned char *buf, unsigned count);