96 __set_direction(struct orion_gpio_chip *ochip, unsigned pin, int input)  in __set_direction()  argument
102 		u |= 1 << pin;  in __set_direction()
104 		u &= ~(1 << pin);  in __set_direction()
108 static void __set_level(struct orion_gpio_chip *ochip, unsigned pin, int high)  in __set_level()  argument
114 		u |= 1 << pin;  in __set_level()
116 		u &= ~(1 << pin);  in __set_level()
121 __set_blinking(struct orion_gpio_chip *ochip, unsigned pin, int blink)  in __set_blinking()  argument
127 		u |= 1 << pin;  in __set_blinking()
129 		u &= ~(1 << pin);  in __set_blinking()
134 orion_gpio_is_valid(struct orion_gpio_chip *ochip, unsigned pin, int mode)  in orion_gpio_is_valid()  argument
136 	if (pin >= ochip->chip.ngpio)  in orion_gpio_is_valid()
139 	if ((mode & GPIO_INPUT_OK) && !test_bit(pin, &ochip->valid_input))  in orion_gpio_is_valid()
142 	if ((mode & GPIO_OUTPUT_OK) && !test_bit(pin, &ochip->valid_output))  in orion_gpio_is_valid()
148 	pr_debug("%s: invalid GPIO %d\n", __func__, pin);  in orion_gpio_is_valid()
155 static int orion_gpio_request(struct gpio_chip *chip, unsigned pin)  in orion_gpio_request()  argument
159 	if (orion_gpio_is_valid(ochip, pin, GPIO_INPUT_OK) ||  in orion_gpio_request()
160 	    orion_gpio_is_valid(ochip, pin, GPIO_OUTPUT_OK))  in orion_gpio_request()
166 static int orion_gpio_direction_input(struct gpio_chip *chip, unsigned pin)  in orion_gpio_direction_input()  argument
171 	if (!orion_gpio_is_valid(ochip, pin, GPIO_INPUT_OK))  in orion_gpio_direction_input()
175 	__set_direction(ochip, pin, 1);  in orion_gpio_direction_input()
181 static int orion_gpio_get(struct gpio_chip *chip, unsigned pin)  in orion_gpio_get()  argument
186 	if (readl(GPIO_IO_CONF(ochip)) & (1 << pin)) {  in orion_gpio_get()
192 	return (val >> pin) & 1;  in orion_gpio_get()
196 orion_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int value)  in orion_gpio_direction_output()  argument
201 	if (!orion_gpio_is_valid(ochip, pin, GPIO_OUTPUT_OK))  in orion_gpio_direction_output()
205 	__set_blinking(ochip, pin, 0);  in orion_gpio_direction_output()
206 	__set_level(ochip, pin, value);  in orion_gpio_direction_output()
207 	__set_direction(ochip, pin, 0);  in orion_gpio_direction_output()
213 static void orion_gpio_set(struct gpio_chip *chip, unsigned pin, int value)  in orion_gpio_set()  argument
219 	__set_level(ochip, pin, value);  in orion_gpio_set()
223 static int orion_gpio_to_irq(struct gpio_chip *chip, unsigned pin)  in orion_gpio_to_irq()  argument
228 				  ochip->secondary_irq_base + pin);  in orion_gpio_to_irq()
234 static struct orion_gpio_chip *orion_gpio_chip_find(int pin)  in orion_gpio_chip_find()  argument
242 		if (pin >= chip->base && pin < chip->base + chip->ngpio)  in orion_gpio_chip_find()
249 void __init orion_gpio_set_unused(unsigned pin)  in orion_gpio_set_unused()  argument
251 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_unused()
256 	pin -= ochip->chip.base;  in orion_gpio_set_unused()
259 	__set_level(ochip, pin, 0);  in orion_gpio_set_unused()
260 	__set_direction(ochip, pin, 0);  in orion_gpio_set_unused()
263 void __init orion_gpio_set_valid(unsigned pin, int mode)  in orion_gpio_set_valid()  argument
265 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_valid()
270 	pin -= ochip->chip.base;  in orion_gpio_set_valid()
276 		__set_bit(pin, &ochip->valid_input);  in orion_gpio_set_valid()
278 		__clear_bit(pin, &ochip->valid_input);  in orion_gpio_set_valid()
281 		__set_bit(pin, &ochip->valid_output);  in orion_gpio_set_valid()
283 		__clear_bit(pin, &ochip->valid_output);  in orion_gpio_set_valid()
286 void orion_gpio_set_blink(unsigned pin, int blink)  in orion_gpio_set_blink()  argument
288 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_blink()
295 	__set_level(ochip, pin & 31, 0);  in orion_gpio_set_blink()
296 	__set_blinking(ochip, pin & 31, blink);  in orion_gpio_set_blink()
356 	int pin;  in gpio_irq_set_type()  local
359 	pin = d->hwirq - ochip->secondary_irq_base;  in gpio_irq_set_type()
361 	u = readl(GPIO_IO_CONF(ochip)) & (1 << pin);  in gpio_irq_set_type()
380 		u &= ~(1 << pin);  in gpio_irq_set_type()
384 		u |= 1 << pin;  in gpio_irq_set_type()
395 		if (v & (1 << pin))  in gpio_irq_set_type()
396 			u |= 1 << pin;		/* falling */  in gpio_irq_set_type()
398 			u &= ~(1 << pin);	/* rising */  in gpio_irq_set_type()