118 static int ichx_write_bit(int reg, unsigned nr, int val, int verify)  in ichx_write_bit()  argument
122 	int reg_nr = nr / 32;  in ichx_write_bit()
123 	int bit = nr & 0x1f;  in ichx_write_bit()
153 static int ichx_read_bit(int reg, unsigned nr)  in ichx_read_bit()  argument
157 	int reg_nr = nr / 32;  in ichx_read_bit()
158 	int bit = nr & 0x1f;  in ichx_read_bit()
173 static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_check_available()  argument
175 	return !!(ichx_priv.use_gpio & BIT(nr / 32));  in ichx_gpio_check_available()
178 static int ichx_gpio_get_direction(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_get_direction()  argument
180 	return ichx_read_bit(GPIO_IO_SEL, nr);  in ichx_gpio_get_direction()
183 static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_direction_input()  argument
189 	if (ichx_write_bit(GPIO_IO_SEL, nr, 1, 1))  in ichx_gpio_direction_input()
195 static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,  in ichx_gpio_direction_output()  argument
199 	if (nr < 32 && ichx_priv.desc->have_blink)  in ichx_gpio_direction_output()
200 		ichx_write_bit(GPO_BLINK, nr, 0, 0);  in ichx_gpio_direction_output()
203 	ichx_write_bit(GPIO_LVL, nr, val, 0);  in ichx_gpio_direction_output()
209 	if (ichx_write_bit(GPIO_IO_SEL, nr, 0, 1))  in ichx_gpio_direction_output()
215 static int ichx_gpio_get(struct gpio_chip *chip, unsigned nr)  in ichx_gpio_get()  argument
217 	return ichx_read_bit(GPIO_LVL, nr);  in ichx_gpio_get()
220 static int ich6_gpio_get(struct gpio_chip *chip, unsigned nr)  in ich6_gpio_get()  argument
229 	if (nr < 16) {  in ich6_gpio_get()
236 		ICHX_WRITE(BIT(16 + nr), 0, ichx_priv.pm_base);  in ich6_gpio_get()
241 		return !!((data >> 16) & BIT(nr));  in ich6_gpio_get()
243 		return ichx_gpio_get(chip, nr);  in ich6_gpio_get()
247 static int ichx_gpio_request(struct gpio_chip *chip, unsigned nr)  in ichx_gpio_request()  argument
249 	if (!ichx_gpio_check_available(chip, nr))  in ichx_gpio_request()
258 	if (ichx_priv.desc->use_sel_ignore[nr / 32] & BIT(nr & 0x1f))  in ichx_gpio_request()
261 	return ichx_read_bit(GPIO_USE_SEL, nr) ? 0 : -ENODEV;  in ichx_gpio_request()
264 static int ich6_gpio_request(struct gpio_chip *chip, unsigned nr)  in ich6_gpio_request()  argument
272 	if (nr == 16 || nr == 17)  in ich6_gpio_request()
273 		nr -= 16;  in ich6_gpio_request()
275 	return ichx_gpio_request(chip, nr);  in ich6_gpio_request()
278 static void ichx_gpio_set(struct gpio_chip *chip, unsigned nr, int val)  in ichx_gpio_set()  argument
280 	ichx_write_bit(GPIO_LVL, nr, val, 0);  in ichx_gpio_set()