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/*
 * SPI driver definitions for the CPLD chip on the Mikrotik RB4xx boards
 *
 * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
 *
 * This file was based on the patches for Linux 2.6.27.39 published by
 * MikroTik for their RouterBoard 4xx series devices.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#define CPLD_GPIO_nLED1         0
#define CPLD_GPIO_nLED2         1
#define CPLD_GPIO_nLED3         2
#define CPLD_GPIO_nLED4         3
#define CPLD_GPIO_FAN           4
#define CPLD_GPIO_ALE           5
#define CPLD_GPIO_CLE           6
#define CPLD_GPIO_nCE           7
#define CPLD_GPIO_nLED5         8

#define CPLD_NUM_GPIOS          9

#define CPLD_CFG_nLED1          BIT(CPLD_GPIO_nLED1)
#define CPLD_CFG_nLED2          BIT(CPLD_GPIO_nLED2)
#define CPLD_CFG_nLED3          BIT(CPLD_GPIO_nLED3)
#define CPLD_CFG_nLED4          BIT(CPLD_GPIO_nLED4)
#define CPLD_CFG_FAN            BIT(CPLD_GPIO_FAN)
#define CPLD_CFG_ALE            BIT(CPLD_GPIO_ALE)
#define CPLD_CFG_CLE            BIT(CPLD_GPIO_CLE)
#define CPLD_CFG_nCE            BIT(CPLD_GPIO_nCE)
#define CPLD_CFG_nLED5          BIT(CPLD_GPIO_nLED5)

struct rb4xx_cpld_platform_data {
        unsigned        gpio_base;
};

extern int rb4xx_cpld_change_cfg(unsigned mask, unsigned value);
extern int rb4xx_cpld_read(unsigned char *rx_buf,
                           unsigned cnt);
extern int rb4xx_cpld_write(const unsigned char *buf, unsigned count);