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-rw-r--r--arch/blackfin/include/asm/gpio.h201
1 files changed, 201 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
new file mode 100644
index 000000000..b650ef080
--- /dev/null
+++ b/arch/blackfin/include/asm/gpio.h
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2006-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ARCH_BLACKFIN_GPIO_H__
+#define __ARCH_BLACKFIN_GPIO_H__
+
+#define gpio_bank(x) ((x) >> 4)
+#define gpio_bit(x) (1<<((x) & 0xF))
+#define gpio_sub_n(x) ((x) & 0xF)
+
+#define GPIO_BANKSIZE 16
+#define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
+
+#define GPIO_0 0
+#define GPIO_1 1
+#define GPIO_2 2
+#define GPIO_3 3
+#define GPIO_4 4
+#define GPIO_5 5
+#define GPIO_6 6
+#define GPIO_7 7
+#define GPIO_8 8
+#define GPIO_9 9
+#define GPIO_10 10
+#define GPIO_11 11
+#define GPIO_12 12
+#define GPIO_13 13
+#define GPIO_14 14
+#define GPIO_15 15
+#define GPIO_16 16
+#define GPIO_17 17
+#define GPIO_18 18
+#define GPIO_19 19
+#define GPIO_20 20
+#define GPIO_21 21
+#define GPIO_22 22
+#define GPIO_23 23
+#define GPIO_24 24
+#define GPIO_25 25
+#define GPIO_26 26
+#define GPIO_27 27
+#define GPIO_28 28
+#define GPIO_29 29
+#define GPIO_30 30
+#define GPIO_31 31
+#define GPIO_32 32
+#define GPIO_33 33
+#define GPIO_34 34
+#define GPIO_35 35
+#define GPIO_36 36
+#define GPIO_37 37
+#define GPIO_38 38
+#define GPIO_39 39
+#define GPIO_40 40
+#define GPIO_41 41
+#define GPIO_42 42
+#define GPIO_43 43
+#define GPIO_44 44
+#define GPIO_45 45
+#define GPIO_46 46
+#define GPIO_47 47
+
+#define PERIPHERAL_USAGE 1
+#define GPIO_USAGE 0
+
+#ifndef __ASSEMBLY__
+
+#ifndef CONFIG_BF54x
+void set_gpio_dir(unsigned, unsigned short);
+void set_gpio_inen(unsigned, unsigned short);
+void set_gpio_polar(unsigned, unsigned short);
+void set_gpio_edge(unsigned, unsigned short);
+void set_gpio_both(unsigned, unsigned short);
+void set_gpio_data(unsigned, unsigned short);
+void set_gpio_maska(unsigned, unsigned short);
+void set_gpio_maskb(unsigned, unsigned short);
+void set_gpio_toggle(unsigned);
+void set_gpiop_dir(unsigned, unsigned short);
+void set_gpiop_inen(unsigned, unsigned short);
+void set_gpiop_polar(unsigned, unsigned short);
+void set_gpiop_edge(unsigned, unsigned short);
+void set_gpiop_both(unsigned, unsigned short);
+void set_gpiop_data(unsigned, unsigned short);
+void set_gpiop_maska(unsigned, unsigned short);
+void set_gpiop_maskb(unsigned, unsigned short);
+unsigned short get_gpio_dir(unsigned);
+unsigned short get_gpio_inen(unsigned);
+unsigned short get_gpio_polar(unsigned);
+unsigned short get_gpio_edge(unsigned);
+unsigned short get_gpio_both(unsigned);
+unsigned short get_gpio_maska(unsigned);
+unsigned short get_gpio_maskb(unsigned);
+unsigned short get_gpio_data(unsigned);
+unsigned short get_gpiop_dir(unsigned);
+unsigned short get_gpiop_inen(unsigned);
+unsigned short get_gpiop_polar(unsigned);
+unsigned short get_gpiop_edge(unsigned);
+unsigned short get_gpiop_both(unsigned);
+unsigned short get_gpiop_maska(unsigned);
+unsigned short get_gpiop_maskb(unsigned);
+unsigned short get_gpiop_data(unsigned);
+
+struct gpio_port_t {
+ unsigned short data;
+ unsigned short dummy1;
+ unsigned short data_clear;
+ unsigned short dummy2;
+ unsigned short data_set;
+ unsigned short dummy3;
+ unsigned short toggle;
+ unsigned short dummy4;
+ unsigned short maska;
+ unsigned short dummy5;
+ unsigned short maska_clear;
+ unsigned short dummy6;
+ unsigned short maska_set;
+ unsigned short dummy7;
+ unsigned short maska_toggle;
+ unsigned short dummy8;
+ unsigned short maskb;
+ unsigned short dummy9;
+ unsigned short maskb_clear;
+ unsigned short dummy10;
+ unsigned short maskb_set;
+ unsigned short dummy11;
+ unsigned short maskb_toggle;
+ unsigned short dummy12;
+ unsigned short dir;
+ unsigned short dummy13;
+ unsigned short polar;
+ unsigned short dummy14;
+ unsigned short edge;
+ unsigned short dummy15;
+ unsigned short both;
+ unsigned short dummy16;
+ unsigned short inen;
+};
+#endif
+
+#ifdef CONFIG_BFIN_GPIO_TRACK
+void bfin_gpio_labels(void);
+#else
+#define bfin_gpio_labels()
+#define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio)
+#define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio)
+#endif
+
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+void bfin_special_gpio_free(unsigned gpio);
+int bfin_special_gpio_request(unsigned gpio, const char *label);
+#endif
+
+int bfin_gpio_request(unsigned gpio, const char *label);
+void bfin_gpio_free(unsigned gpio);
+int bfin_gpio_direction_input(unsigned gpio);
+int bfin_gpio_direction_output(unsigned gpio, int value);
+int bfin_gpio_get_value(unsigned gpio);
+void bfin_gpio_set_value(unsigned gpio, int value);
+void bfin_gpio_toggle_value(unsigned gpio);
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return bfin_gpio_request(gpio, label);
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+ return bfin_gpio_free(gpio);
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ return bfin_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+ return bfin_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ return bfin_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ return bfin_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_is_valid(int number)
+{
+ return number >= 0 && number < MAX_BLACKFIN_GPIOS;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ARCH_BLACKFIN_GPIO_H__ */