-#ifndef __IDT_GPIO_H__
-#define __IDT_GPIO_H__
-
-/*******************************************************************************
- *
+/*
* Copyright 2002 Integrated Device Technology, Inc.
- * All rights reserved.
+ * All rights reserved.
*
* GPIO register definition.
*
- * File : $Id: gpio.h,v 1.2 2002/06/06 18:34:04 astichte Exp $
- *
* Author : ryan.holmQVist@idt.com
* Date : 20011005
- * Update :
- * $Log: gpio.h,v $
- * Revision 1.2 2002/06/06 18:34:04 astichte
- * Added XXX_PhysicalAddress and XXX_VirtualAddress
- *
- * Revision 1.1 2002/05/29 17:33:22 sysarch
- * jba File moved from vcode/include/idt/acacia
- *
- *
- ******************************************************************************/
+ * Copyright (C) 2001, 2002 Ryan Holm <ryan.holmQVist@idt.com>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
-enum
-{
- GPIO0_PhysicalAddress = 0x18050000,
- GPIO_PhysicalAddress = GPIO0_PhysicalAddress, // Default
+#ifndef _RC32434_GPIO_H_
+#define _RC32434_GPIO_H_
- GPIO0_VirtualAddress = 0xb8050000,
- GPIO_VirtualAddress = GPIO0_VirtualAddress, // Default
-} ;
+#include <linux/types.h>
-typedef struct
-{
+struct rb500_gpio_reg {
u32 gpiofunc; /* GPIO Function Register
* gpiofunc[x]==0 bit = gpio
* func[x]==1 bit = altfunc
* cleared in ISR (STICKY bits)
*/
u32 gpionmien; /* GPIO Non-maskable Interrupt Enable Register */
-} volatile * GPIO_t ;
+};
+
+/* UART GPIO signals */
+#define RC32434_UART0_SOUT (1 << 0)
+#define RC32434_UART0_SIN (1 << 1)
+#define RC32434_UART0_RTS (1 << 2)
+#define RC32434_UART0_CTS (1 << 3)
+
+/* M & P bus GPIO signals */
+#define RC32434_MP_BIT_22 (1 << 4)
+#define RC32434_MP_BIT_23 (1 << 5)
+#define RC32434_MP_BIT_24 (1 << 6)
+#define RC32434_MP_BIT_25 (1 << 7)
-typedef enum
+/* CPU GPIO signals */
+#define RC32434_CPU_GPIO (1 << 8)
+
+/* Reserved GPIO signals */
+#define RC32434_AF_SPARE_6 (1 << 9)
+#define RC32434_AF_SPARE_4 (1 << 10)
+#define RC32434_AF_SPARE_3 (1 << 11)
+#define RC32434_AF_SPARE_2 (1 << 12)
+
+/* PCI messaging unit */
+#define RC32434_PCI_MSU_GPIO (1 << 13)
+
+extern int rb500_gpio_get_value(unsigned gpio);
+extern void rb500_gpio_set_value(unsigned gpio, int value);
+extern int rb500_gpio_direction_input(unsigned gpio);
+extern int rb500_gpio_direction_output(unsigned gpio, int value);
+extern void rb500_gpio_set_int_level(unsigned gpio, int value);
+extern int rb500_gpio_get_int_level(unsigned gpio);
+extern void rb500_gpio_set_int_status(unsigned gpio, int value);
+extern int rb500_gpio_get_int_status(unsigned gpio);
+extern void rb500_gpio_set_func(unsigned gpio, int value);
+extern int rb500_gpio_get_func(unsigned gpio);
+
+
+/* Wrappers for the arch-neutral GPIO API */
+
+static inline int gpio_request(unsigned gpio, const char *label)
{
- GPIO_gpio_v = 0, // gpiofunc use pin as GPIO.
- GPIO_alt_v = 1, // gpiofunc use pin as alt.
- GPIO_input_v = 0, // gpiocfg use pin as input.
- GPIO_output_v = 1, // gpiocfg use pin as output.
- GPIO_pin0_b = 0,
- GPIO_pin0_m = 0x00000001,
- GPIO_pin1_b = 1,
- GPIO_pin1_m = 0x00000002,
- GPIO_pin2_b = 2,
- GPIO_pin2_m = 0x00000004,
- GPIO_pin3_b = 3,
- GPIO_pin3_m = 0x00000008,
- GPIO_pin4_b = 4,
- GPIO_pin4_m = 0x00000010,
- GPIO_pin5_b = 5,
- GPIO_pin5_m = 0x00000020,
- GPIO_pin6_b = 6,
- GPIO_pin6_m = 0x00000040,
- GPIO_pin7_b = 7,
- GPIO_pin7_m = 0x00000080,
- GPIO_pin8_b = 8,
- GPIO_pin8_m = 0x00000100,
- GPIO_pin9_b = 9,
- GPIO_pin9_m = 0x00000200,
- GPIO_pin10_b = 10,
- GPIO_pin10_m = 0x00000400,
- GPIO_pin11_b = 11,
- GPIO_pin11_m = 0x00000800,
- GPIO_pin12_b = 12,
- GPIO_pin12_m = 0x00001000,
- GPIO_pin13_b = 13,
- GPIO_pin13_m = 0x00002000,
- GPIO_pin14_b = 14,
- GPIO_pin14_m = 0x00004000,
- GPIO_pin15_b = 15,
- GPIO_pin15_m = 0x00008000,
- GPIO_pin16_b = 16,
- GPIO_pin16_m = 0x00010000,
- GPIO_pin17_b = 17,
- GPIO_pin17_m = 0x00020000,
- GPIO_pin18_b = 18,
- GPIO_pin18_m = 0x00040000,
- GPIO_pin19_b = 19,
- GPIO_pin19_m = 0x00080000,
- GPIO_pin20_b = 20,
- GPIO_pin20_m = 0x00100000,
- GPIO_pin21_b = 21,
- GPIO_pin21_m = 0x00200000,
- GPIO_pin22_b = 22,
- GPIO_pin22_m = 0x00400000,
- GPIO_pin23_b = 23,
- GPIO_pin23_m = 0x00800000,
- GPIO_pin24_b = 24,
- GPIO_pin24_m = 0x01000000,
- GPIO_pin25_b = 25,
- GPIO_pin25_m = 0x02000000,
- GPIO_pin26_b = 26,
- GPIO_pin26_m = 0x04000000,
- GPIO_pin27_b = 27,
- GPIO_pin27_m = 0x08000000,
- GPIO_pin28_b = 28,
- GPIO_pin28_m = 0x10000000,
- GPIO_pin29_b = 29,
- GPIO_pin29_m = 0x20000000,
- GPIO_pin30_b = 30,
- GPIO_pin30_m = 0x40000000,
- GPIO_pin31_b = 31,
- GPIO_pin31_m = 0x80000000,
-
-// Alternate function pins. Corrsponding gpiofunc bit set to GPIO_alt_v.
-
- GPIO_u0sout_b = GPIO_pin0_b, // UART 0 serial out.
- GPIO_u0sout_m = GPIO_pin0_m,
- GPIO_u0sout_cfg_v = GPIO_output_v,
- GPIO_u0sinp_b = GPIO_pin1_b, // UART 0 serial in.
- GPIO_u0sinp_m = GPIO_pin1_m,
- GPIO_u0sinp_cfg_v = GPIO_input_v,
- GPIO_u0rtsn_b = GPIO_pin2_b, // UART 0 req. to send.
- GPIO_u0rtsn_m = GPIO_pin2_m,
- GPIO_u0rtsn_cfg_v = GPIO_output_v,
- GPIO_u0ctsn_b = GPIO_pin3_b, // UART 0 clear to send.
- GPIO_u0ctsn_m = GPIO_pin3_m,
- GPIO_u0ctsn_cfg_v = GPIO_input_v,
- GPIO_maddr22_b = GPIO_pin4_b, // M&P bus bit 22.
- GPIO_maddr22_m = GPIO_pin4_m,
- GPIO_maddr22_cfg_v = GPIO_output_v,
-
- GPIO_maddr23_b = GPIO_pin5_b, // M&P bus bit 23.
- GPIO_maddr23_m = GPIO_pin5_m,
- GPIO_maddr23_cfg_v = GPIO_output_v,
-
- GPIO_maddr24_b = GPIO_pin6_b, // M&P bus bit 24.
- GPIO_maddr24_m = GPIO_pin6_m,
- GPIO_maddr24_cfg_v = GPIO_output_v,
-
- GPIO_maddr25_b = GPIO_pin7_b, // M&P bus bit 25.
- GPIO_maddr25_m = GPIO_pin7_m,
- GPIO_maddr25_cfg_v = GPIO_output_v,
-
- GPIO_cpu_b = GPIO_pin8_b, // M&P bus bit 25.
- GPIO_cpu_m = GPIO_pin8_m,
- GPIO_cpu_cfg_v = GPIO_output_v,
- GPIO_afspare6_b = GPIO_pin9_b, // reserved.
- GPIO_afspare6_m = GPIO_pin9_m,
- GPIO_afspare6_cfg_v = GPIO_input_v,
- GPIO_afspare4_b = GPIO_pin10_b, // reserved.
- GPIO_afspare4_m = GPIO_pin10_m,
- GPIO_afspare4_cfg_v = GPIO_input_v,
- GPIO_afspare3_b = GPIO_pin11_b, // reserved.
- GPIO_afspare3_m = GPIO_pin11_m,
- GPIO_afspare3_cfg_v = GPIO_input_v,
- GPIO_afspare2_b = GPIO_pin12_b, // reserved.
- GPIO_afspare2_m = GPIO_pin12_m,
- GPIO_afspare2_cfg_v = GPIO_input_v,
- GPIO_pcimuintn_b = GPIO_pin13_b, // PCI messaging int.
- GPIO_pcimuintn_m = GPIO_pin13_m,
- GPIO_pcimuintn_cfg_v = GPIO_output_v,
-
-} GPIO_DEFS_t;
-
-#endif // __IDT_GPIO_H__
+ /* Not yet implemented */
+ return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+ /* Not yet implemented */
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ return rb500_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+ return rb500_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ return rb500_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ rb500_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return gpio;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return irq;
+}
+
+/* For cansleep */
+#include <asm-generic/gpio.h>
+#endif /* _RC32434_GPIO_H_ */
projects / openwrt.git / blobdiff