25 static u8 *get_gpio_flags(struct udevice *dev, unsigned offset)  in get_gpio_flags()  argument
30 	if (offset >= uc_priv->gpio_count) {  in get_gpio_flags()
32 		printf("sandbox_gpio: error: invalid gpio %u\n", offset);  in get_gpio_flags()
36 	return &state[offset].flags;  in get_gpio_flags()
39 static int get_gpio_flag(struct udevice *dev, unsigned offset, int flag)  in get_gpio_flag()  argument
41 	return (*get_gpio_flags(dev, offset) & flag) != 0;  in get_gpio_flag()
44 static int set_gpio_flag(struct udevice *dev, unsigned offset, int flag,  in set_gpio_flag()  argument
47 	u8 *gpio = get_gpio_flags(dev, offset);  in set_gpio_flag()
61 int sandbox_gpio_get_value(struct udevice *dev, unsigned offset)  in sandbox_gpio_get_value()  argument
63 	if (get_gpio_flag(dev, offset, GPIOF_OUTPUT))  in sandbox_gpio_get_value()
64 		debug("sandbox_gpio: get_value on output gpio %u\n", offset);  in sandbox_gpio_get_value()
65 	return get_gpio_flag(dev, offset, GPIOF_HIGH);  in sandbox_gpio_get_value()
68 int sandbox_gpio_set_value(struct udevice *dev, unsigned offset, int value)  in sandbox_gpio_set_value()  argument
70 	return set_gpio_flag(dev, offset, GPIOF_HIGH, value);  in sandbox_gpio_set_value()
73 int sandbox_gpio_get_open_drain(struct udevice *dev, unsigned offset)  in sandbox_gpio_get_open_drain()  argument
75 	return get_gpio_flag(dev, offset, GPIOF_ODR);  in sandbox_gpio_get_open_drain()
78 int sandbox_gpio_set_open_drain(struct udevice *dev, unsigned offset, int value)  in sandbox_gpio_set_open_drain()  argument
80 	return set_gpio_flag(dev, offset, GPIOF_ODR, value);  in sandbox_gpio_set_open_drain()
83 int sandbox_gpio_get_direction(struct udevice *dev, unsigned offset)  in sandbox_gpio_get_direction()  argument
85 	return get_gpio_flag(dev, offset, GPIOF_OUTPUT);  in sandbox_gpio_get_direction()
88 int sandbox_gpio_set_direction(struct udevice *dev, unsigned offset, int output)  in sandbox_gpio_set_direction()  argument
90 	return set_gpio_flag(dev, offset, GPIOF_OUTPUT, output);  in sandbox_gpio_set_direction()
97 /* set GPIO port 'offset' as an input */
98 static int sb_gpio_direction_input(struct udevice *dev, unsigned offset)  in sb_gpio_direction_input()  argument
100 	debug("%s: offset:%u\n", __func__, offset);  in sb_gpio_direction_input()
102 	return sandbox_gpio_set_direction(dev, offset, 0);  in sb_gpio_direction_input()
105 /* set GPIO port 'offset' as an output, with polarity 'value' */
106 static int sb_gpio_direction_output(struct udevice *dev, unsigned offset,  in sb_gpio_direction_output()  argument
109 	debug("%s: offset:%u, value = %d\n", __func__, offset, value);  in sb_gpio_direction_output()
111 	return sandbox_gpio_set_direction(dev, offset, 1) |  in sb_gpio_direction_output()
112 		sandbox_gpio_set_value(dev, offset, value);  in sb_gpio_direction_output()
115 /* read GPIO IN value of port 'offset' */
116 static int sb_gpio_get_value(struct udevice *dev, unsigned offset)  in sb_gpio_get_value()  argument
118 	debug("%s: offset:%u\n", __func__, offset);  in sb_gpio_get_value()
120 	return sandbox_gpio_get_value(dev, offset);  in sb_gpio_get_value()
123 /* write GPIO OUT value to port 'offset' */
124 static int sb_gpio_set_value(struct udevice *dev, unsigned offset, int value)  in sb_gpio_set_value()  argument
126 	debug("%s: offset:%u, value = %d\n", __func__, offset, value);  in sb_gpio_set_value()
128 	if (!sandbox_gpio_get_direction(dev, offset)) {  in sb_gpio_set_value()
130 		       offset);  in sb_gpio_set_value()
134 	return sandbox_gpio_set_value(dev, offset, value);  in sb_gpio_set_value()
137 /* read GPIO ODR value of port 'offset' */
138 static int sb_gpio_get_open_drain(struct udevice *dev, unsigned offset)  in sb_gpio_get_open_drain()  argument
140 	debug("%s: offset:%u\n", __func__, offset);  in sb_gpio_get_open_drain()
142 	return sandbox_gpio_get_open_drain(dev, offset);  in sb_gpio_get_open_drain()
145 /* write GPIO ODR value to port 'offset' */
146 static int sb_gpio_set_open_drain(struct udevice *dev, unsigned offset, int value)  in sb_gpio_set_open_drain()  argument
148 	debug("%s: offset:%u, value = %d\n", __func__, offset, value);  in sb_gpio_set_open_drain()
150 	if (!sandbox_gpio_get_direction(dev, offset)) {  in sb_gpio_set_open_drain()
152 		       offset);  in sb_gpio_set_open_drain()
156 	return sandbox_gpio_set_open_drain(dev, offset, value);  in sb_gpio_set_open_drain()
159 static int sb_gpio_get_function(struct udevice *dev, unsigned offset)  in sb_gpio_get_function()  argument
161 	if (get_gpio_flag(dev, offset, GPIOF_OUTPUT))  in sb_gpio_get_function()
169 	desc->offset = args->args[0];  in sb_gpio_xlate()