diff options
Diffstat (limited to 'arch/arm/mach-msm/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-msm/include/mach/gpio.h | 123 |
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 | */ | ||
35 | struct 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 | */ | ||
50 | int 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 | */ | ||
58 | void 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 | */ | ||
68 | int 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 | */ | ||
76 | void 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 | */ | ||
86 | int 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 | */ | ||
94 | void 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 */ | ||
101 | enum { | ||
102 | GPIO_INPUT, | ||
103 | GPIO_OUTPUT, | ||
104 | }; | ||
105 | |||
106 | /* GPIO TLMM: Pullup/Pulldown */ | ||
107 | enum { | ||
108 | GPIO_NO_PULL, | ||
109 | GPIO_PULL_DOWN, | ||
110 | GPIO_KEEPER, | ||
111 | GPIO_PULL_UP, | ||
112 | }; | ||
113 | |||
114 | /* GPIO TLMM: Drive Strength */ | ||
115 | enum { | ||
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 | |||
126 | enum { | ||
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 | |||
147 | int gpio_tlmm_config(unsigned config, unsigned disable); | ||
148 | |||
149 | #endif /* __ASM_ARCH_MSM_GPIO_H */ | 26 | #endif /* __ASM_ARCH_MSM_GPIO_H */ |