aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-msm/include/mach/gpio.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-msm/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-msm/include/mach/gpio.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/arm/mach-msm/include/mach/gpio.h b/arch/arm/mach-msm/include/mach/gpio.h
index 83e47c0d5c2e..36ad50d3bfaa 100644
--- a/arch/arm/mach-msm/include/mach/gpio.h
+++ b/arch/arm/mach-msm/include/mach/gpio.h
@@ -23,127 +23,4 @@
23#define gpio_cansleep __gpio_cansleep 23#define gpio_cansleep __gpio_cansleep
24#define gpio_to_irq __gpio_to_irq 24#define gpio_to_irq __gpio_to_irq
25 25
26/**
27 * struct msm_gpio - GPIO pin description
28 * @gpio_cfg - configuration bitmap, as per gpio_tlmm_config()
29 * @label - textual label
30 *
31 * Usually, GPIO's are operated by sets.
32 * This struct accumulate all GPIO information in single source
33 * and facilitete group operations provided by msm_gpios_xxx()
34 */
35struct msm_gpio {
36 u32 gpio_cfg;
37 const char *label;
38};
39
40/**
41 * msm_gpios_request_enable() - request and enable set of GPIOs
42 *
43 * Request and configure set of GPIO's
44 * In case of error, all operations rolled back.
45 * Return error code.
46 *
47 * @table: GPIO table
48 * @size: number of entries in @table
49 */
50int msm_gpios_request_enable(const struct msm_gpio *table, int size);
51
52/**
53 * msm_gpios_disable_free() - disable and free set of GPIOs
54 *
55 * @table: GPIO table
56 * @size: number of entries in @table
57 */
58void msm_gpios_disable_free(const struct msm_gpio *table, int size);
59
60/**
61 * msm_gpios_request() - request set of GPIOs
62 * In case of error, all operations rolled back.
63 * Return error code.
64 *
65 * @table: GPIO table
66 * @size: number of entries in @table
67 */
68int msm_gpios_request(const struct msm_gpio *table, int size);
69
70/**
71 * msm_gpios_free() - free set of GPIOs
72 *
73 * @table: GPIO table
74 * @size: number of entries in @table
75 */
76void msm_gpios_free(const struct msm_gpio *table, int size);
77
78/**
79 * msm_gpios_enable() - enable set of GPIOs
80 * In case of error, all operations rolled back.
81 * Return error code.
82 *
83 * @table: GPIO table
84 * @size: number of entries in @table
85 */
86int msm_gpios_enable(const struct msm_gpio *table, int size);
87
88/**
89 * msm_gpios_disable() - disable set of GPIOs
90 *
91 * @table: GPIO table
92 * @size: number of entries in @table
93 */
94void msm_gpios_disable(const struct msm_gpio *table, int size);
95
96/* GPIO TLMM (Top Level Multiplexing) Definitions */
97
98/* GPIO TLMM: Function -- GPIO specific */
99
100/* GPIO TLMM: Direction */
101enum {
102 GPIO_INPUT,
103 GPIO_OUTPUT,
104};
105
106/* GPIO TLMM: Pullup/Pulldown */
107enum {
108 GPIO_NO_PULL,
109 GPIO_PULL_DOWN,
110 GPIO_KEEPER,
111 GPIO_PULL_UP,
112};
113
114/* GPIO TLMM: Drive Strength */
115enum {
116 GPIO_2MA,
117 GPIO_4MA,
118 GPIO_6MA,
119 GPIO_8MA,
120 GPIO_10MA,
121 GPIO_12MA,
122 GPIO_14MA,
123 GPIO_16MA,
124};
125
126enum {
127 GPIO_ENABLE,
128 GPIO_DISABLE,
129};
130
131#define GPIO_CFG(gpio, func, dir, pull, drvstr) \
132 ((((gpio) & 0x3FF) << 4) | \
133 ((func) & 0xf) | \
134 (((dir) & 0x1) << 14) | \
135 (((pull) & 0x3) << 15) | \
136 (((drvstr) & 0xF) << 17))
137
138/**
139 * extract GPIO pin from bit-field used for gpio_tlmm_config
140 */
141#define GPIO_PIN(gpio_cfg) (((gpio_cfg) >> 4) & 0x3ff)
142#define GPIO_FUNC(gpio_cfg) (((gpio_cfg) >> 0) & 0xf)
143#define GPIO_DIR(gpio_cfg) (((gpio_cfg) >> 14) & 0x1)
144#define GPIO_PULL(gpio_cfg) (((gpio_cfg) >> 15) & 0x3)
145#define GPIO_DRVSTR(gpio_cfg) (((gpio_cfg) >> 17) & 0xf)
146
147int gpio_tlmm_config(unsigned config, unsigned disable);
148
149#endif /* __ASM_ARCH_MSM_GPIO_H */ 26#endif /* __ASM_ARCH_MSM_GPIO_H */