116 static int ichx_write_bit(int reg, unsigned nr, int val, int verify)  in ichx_write_bit()  argument
120 	int reg_nr = nr / 32;  in ichx_write_bit()
121 	int bit = nr & 0x1f;  in ichx_write_bit()
151 static int ichx_read_bit(int reg, unsigned nr)  in ichx_read_bit()  argument
155 	int reg_nr = nr / 32;  in ichx_read_bit()
156 	int bit = nr & 0x1f;  in ichx_read_bit()
171 static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_check_available()  argument
173 	return !!(ichx_priv.use_gpio & (1 << (nr / 32)));  in ichx_gpio_check_available()
176 static int ichx_gpio_get_direction(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_get_direction()  argument
178 	return ichx_read_bit(GPIO_IO_SEL, nr) ? GPIOF_DIR_IN : GPIOF_DIR_OUT;  in ichx_gpio_get_direction()
181 static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)  in ichx_gpio_direction_input()  argument
187 	if (ichx_write_bit(GPIO_IO_SEL, nr, 1, 1))  in ichx_gpio_direction_input()
193 static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,  in ichx_gpio_direction_output()  argument
197 	if (nr < 32 && ichx_priv.desc->have_blink)  in ichx_gpio_direction_output()
198 		ichx_write_bit(GPO_BLINK, nr, 0, 0);  in ichx_gpio_direction_output()
201 	ichx_write_bit(GPIO_LVL, nr, val, 0);  in ichx_gpio_direction_output()
207 	if (ichx_write_bit(GPIO_IO_SEL, nr, 0, 1))  in ichx_gpio_direction_output()
213 static int ichx_gpio_get(struct gpio_chip *chip, unsigned nr)  in ichx_gpio_get()  argument
215 	return ichx_read_bit(GPIO_LVL, nr);  in ichx_gpio_get()
218 static int ich6_gpio_get(struct gpio_chip *chip, unsigned nr)  in ich6_gpio_get()  argument
227 	if (nr < 16) {  in ich6_gpio_get()
234 		ICHX_WRITE(1 << (16 + nr), 0, ichx_priv.pm_base);  in ich6_gpio_get()
239 		return (data >> 16) & (1 << nr) ? 1 : 0;  in ich6_gpio_get()
241 		return ichx_gpio_get(chip, nr);  in ich6_gpio_get()
245 static int ichx_gpio_request(struct gpio_chip *chip, unsigned nr)  in ichx_gpio_request()  argument
247 	if (!ichx_gpio_check_available(chip, nr))  in ichx_gpio_request()
256 	if (ichx_priv.desc->use_sel_ignore[nr / 32] & (1 << (nr & 0x1f)))  in ichx_gpio_request()
259 	return ichx_read_bit(GPIO_USE_SEL, nr) ? 0 : -ENODEV;  in ichx_gpio_request()
262 static int ich6_gpio_request(struct gpio_chip *chip, unsigned nr)  in ich6_gpio_request()  argument
270 	if (nr == 16 || nr == 17)  in ich6_gpio_request()
271 		nr -= 16;  in ich6_gpio_request()
273 	return ichx_gpio_request(chip, nr);  in ich6_gpio_request()
276 static void ichx_gpio_set(struct gpio_chip *chip, unsigned nr, int val)  in ichx_gpio_set()  argument
278 	ichx_write_bit(GPIO_LVL, nr, val, 0);  in ichx_gpio_set()