+/*
+ * 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,
+ const unsigned char *verify_buf,
+ unsigned cnt);
+extern int rb4xx_cpld_read_from(unsigned addr,
+ unsigned char *rx_buf,
+ const unsigned char *verify_buf,
+ unsigned cnt);
+extern int rb4xx_cpld_write(const unsigned char *buf, unsigned count);