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Diffstat (limited to 'include/linux/sh_pfc.h')
-rw-r--r--include/linux/sh_pfc.h65
1 files changed, 49 insertions, 16 deletions
diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index 5c15aed9c4b2..c19a0925829a 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -11,22 +11,24 @@
11#ifndef __SH_PFC_H 11#ifndef __SH_PFC_H
12#define __SH_PFC_H 12#define __SH_PFC_H
13 13
14#include <linux/stringify.h>
14#include <asm-generic/gpio.h> 15#include <asm-generic/gpio.h>
15 16
16typedef unsigned short pinmux_enum_t; 17typedef unsigned short pinmux_enum_t;
17typedef unsigned short pinmux_flag_t; 18typedef unsigned short pinmux_flag_t;
18 19
19#define PINMUX_TYPE_NONE 0 20enum {
20#define PINMUX_TYPE_FUNCTION 1 21 PINMUX_TYPE_NONE,
21#define PINMUX_TYPE_GPIO 2
22#define PINMUX_TYPE_OUTPUT 3
23#define PINMUX_TYPE_INPUT 4
24#define PINMUX_TYPE_INPUT_PULLUP 5
25#define PINMUX_TYPE_INPUT_PULLDOWN 6
26 22
27#define PINMUX_FLAG_TYPE (0x7) 23 PINMUX_TYPE_FUNCTION,
28#define PINMUX_FLAG_WANT_PULLUP (1 << 3) 24 PINMUX_TYPE_GPIO,
29#define PINMUX_FLAG_WANT_PULLDOWN (1 << 4) 25 PINMUX_TYPE_OUTPUT,
26 PINMUX_TYPE_INPUT,
27 PINMUX_TYPE_INPUT_PULLUP,
28 PINMUX_TYPE_INPUT_PULLDOWN,
29
30 PINMUX_FLAG_TYPE, /* must be last */
31};
30 32
31#define PINMUX_FLAG_DBIT_SHIFT 5 33#define PINMUX_FLAG_DBIT_SHIFT 5
32#define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT) 34#define PINMUX_FLAG_DBIT (0x1f << PINMUX_FLAG_DBIT_SHIFT)
@@ -36,9 +38,12 @@ typedef unsigned short pinmux_flag_t;
36struct pinmux_gpio { 38struct pinmux_gpio {
37 pinmux_enum_t enum_id; 39 pinmux_enum_t enum_id;
38 pinmux_flag_t flags; 40 pinmux_flag_t flags;
41 const char *name;
39}; 42};
40 43
41#define PINMUX_GPIO(gpio, data_or_mark) [gpio] = { data_or_mark } 44#define PINMUX_GPIO(gpio, data_or_mark) \
45 [gpio] = { .name = __stringify(gpio), .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
46
42#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0 47#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
43 48
44struct pinmux_cfg_reg { 49struct pinmux_cfg_reg {
@@ -89,7 +94,7 @@ struct pfc_window {
89 unsigned long size; 94 unsigned long size;
90}; 95};
91 96
92struct pinmux_info { 97struct sh_pfc {
93 char *name; 98 char *name;
94 pinmux_enum_t reserved_id; 99 pinmux_enum_t reserved_id;
95 struct pinmux_range data; 100 struct pinmux_range data;
@@ -112,17 +117,45 @@ struct pinmux_info {
112 struct pinmux_irq *gpio_irq; 117 struct pinmux_irq *gpio_irq;
113 unsigned int gpio_irq_size; 118 unsigned int gpio_irq_size;
114 119
120 spinlock_t lock;
121
115 struct resource *resource; 122 struct resource *resource;
116 unsigned int num_resources; 123 unsigned int num_resources;
117 struct pfc_window *window; 124 struct pfc_window *window;
118 125
119 unsigned long unlock_reg; 126 unsigned long unlock_reg;
120
121 struct gpio_chip chip;
122}; 127};
123 128
124int register_pinmux(struct pinmux_info *pip); 129/* XXX compat for now */
125int unregister_pinmux(struct pinmux_info *pip); 130#define pinmux_info sh_pfc
131
132/* drivers/sh/pfc/gpio.c */
133int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
134
135/* drivers/sh/pfc/pinctrl.c */
136int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
137
138/* drivers/sh/pfc/core.c */
139int register_sh_pfc(struct sh_pfc *pfc);
140
141int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos);
142void sh_pfc_write_bit(struct pinmux_data_reg *dr, unsigned long in_pos,
143 unsigned long value);
144int sh_pfc_get_data_reg(struct sh_pfc *pfc, unsigned gpio,
145 struct pinmux_data_reg **drp, int *bitp);
146int sh_pfc_gpio_to_enum(struct sh_pfc *pfc, unsigned gpio, int pos,
147 pinmux_enum_t *enum_idp);
148int sh_pfc_config_gpio(struct sh_pfc *pfc, unsigned gpio, int pinmux_type,
149 int cfg_mode);
150
151/* xxx */
152static inline int register_pinmux(struct pinmux_info *pip)
153{
154 struct sh_pfc *pfc = pip;
155 return register_sh_pfc(pfc);
156}
157
158enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
126 159
127/* helper macro for port */ 160/* helper macro for port */
128#define PORT_1(fn, pfx, sfx) fn(pfx, sfx) 161#define PORT_1(fn, pfx, sfx) fn(pfx, sfx)