251 static const struct aspeed_gpio_bank *to_bank(unsigned int offset)  in to_bank()  argument
253 	unsigned int bank = GPIO_BANK(offset);  in to_bank()
265 		struct aspeed_gpio *gpio, unsigned int offset)  in find_bank_props()  argument
270 		if (props->bank == GPIO_BANK(offset))  in find_bank_props()
278 static inline bool have_gpio(struct aspeed_gpio *gpio, unsigned int offset)  in have_gpio()  argument
280 	const struct aspeed_bank_props *props = find_bank_props(gpio, offset);  in have_gpio()
281 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in have_gpio()
282 	unsigned int group = GPIO_OFFSET(offset) / 8;  in have_gpio()
285 		(!props || ((props->input | props->output) & GPIO_BIT(offset)));  in have_gpio()
288 static inline bool have_input(struct aspeed_gpio *gpio, unsigned int offset)  in have_input()  argument
290 	const struct aspeed_bank_props *props = find_bank_props(gpio, offset);  in have_input()
292 	return !props || (props->input & GPIO_BIT(offset));  in have_input()
298 static inline bool have_output(struct aspeed_gpio *gpio, unsigned int offset)  in have_output()  argument
300 	const struct aspeed_bank_props *props = find_bank_props(gpio, offset);  in have_output()
302 	return !props || (props->output & GPIO_BIT(offset));  in have_output()
338 				      unsigned int offset)  in aspeed_gpio_copro_request()  argument
340 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_copro_request()
344 	if (!gpio->cf_copro_bankmap[offset >> 3])  in aspeed_gpio_copro_request()
353 	aspeed_gpio_change_cmd_source(gpio, bank, offset >> 3, GPIO_CMDSRC_ARM);  in aspeed_gpio_copro_request()
356 	gpio->dcache[GPIO_BANK(offset)] = ioread32(bank_reg(gpio, bank, reg_rdata));  in aspeed_gpio_copro_request()
362 				      unsigned int offset)  in aspeed_gpio_copro_release()  argument
364 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_copro_release()
368 	if (!gpio->cf_copro_bankmap[offset >> 3])  in aspeed_gpio_copro_release()
374 	aspeed_gpio_change_cmd_source(gpio, bank, offset >> 3,  in aspeed_gpio_copro_release()
381 static int aspeed_gpio_get(struct gpio_chip *gc, unsigned int offset)  in aspeed_gpio_get()  argument
384 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_get()
386 	return !!(ioread32(bank_reg(gpio, bank, reg_val)) & GPIO_BIT(offset));  in aspeed_gpio_get()
389 static void __aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset,  in __aspeed_gpio_set()  argument
393 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in __aspeed_gpio_set()
398 	reg = gpio->dcache[GPIO_BANK(offset)];  in __aspeed_gpio_set()
401 		reg |= GPIO_BIT(offset);  in __aspeed_gpio_set()
403 		reg &= ~GPIO_BIT(offset);  in __aspeed_gpio_set()
404 	gpio->dcache[GPIO_BANK(offset)] = reg;  in __aspeed_gpio_set()
409 static void aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset,  in aspeed_gpio_set()  argument
417 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_set()
419 	__aspeed_gpio_set(gc, offset, val);  in aspeed_gpio_set()
422 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_set()
426 static int aspeed_gpio_dir_in(struct gpio_chip *gc, unsigned int offset)  in aspeed_gpio_dir_in()  argument
429 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_dir_in()
435 	if (!have_input(gpio, offset))  in aspeed_gpio_dir_in()
441 	reg &= ~GPIO_BIT(offset);  in aspeed_gpio_dir_in()
443 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_dir_in()
446 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_dir_in()
454 			       unsigned int offset, int val)  in aspeed_gpio_dir_out()  argument
457 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_dir_out()
463 	if (!have_output(gpio, offset))  in aspeed_gpio_dir_out()
469 	reg |= GPIO_BIT(offset);  in aspeed_gpio_dir_out()
471 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_dir_out()
472 	__aspeed_gpio_set(gc, offset, val);  in aspeed_gpio_dir_out()
476 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_dir_out()
482 static int aspeed_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)  in aspeed_gpio_get_direction()  argument
485 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_get_direction()
489 	if (!have_input(gpio, offset))  in aspeed_gpio_get_direction()
492 	if (!have_output(gpio, offset))  in aspeed_gpio_get_direction()
497 	val = ioread32(bank_reg(gpio, bank, reg_dir)) & GPIO_BIT(offset);  in aspeed_gpio_get_direction()
507 					   u32 *bit, int *offset)  in irqd_to_aspeed_gpio_data()  argument
511 	*offset = irqd_to_hwirq(d);  in irqd_to_aspeed_gpio_data()
516 	if (!have_irq(internal, *offset))  in irqd_to_aspeed_gpio_data()
520 	*bank = to_bank(*offset);  in irqd_to_aspeed_gpio_data()
521 	*bit = GPIO_BIT(*offset);  in irqd_to_aspeed_gpio_data()
532 	int rc, offset;  in aspeed_gpio_irq_ack()  local
536 	rc = irqd_to_aspeed_gpio_data(d, &gpio, &bank, &bit, &offset);  in aspeed_gpio_irq_ack()
543 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_irq_ack()
548 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_irq_ack()
559 	int rc, offset;  in aspeed_gpio_irq_set_mask()  local
562 	rc = irqd_to_aspeed_gpio_data(d, &gpio, &bank, &bit, &offset);  in aspeed_gpio_irq_set_mask()
569 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_irq_set_mask()
579 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_irq_set_mask()
604 	int rc, offset;  in aspeed_gpio_set_type()  local
607 	rc = irqd_to_aspeed_gpio_data(d, &gpio, &bank, &bit, &offset);  in aspeed_gpio_set_type()
633 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_set_type()
651 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_set_type()
691 		unsigned int offset;  in aspeed_init_irq_valid_mask()  local
695 		for_each_clear_bit(offset, &input, 32) {  in aspeed_init_irq_valid_mask()
696 			unsigned int i = props->bank * 32 + offset;  in aspeed_init_irq_valid_mask()
709 					unsigned int offset, bool enable)  in aspeed_gpio_reset_tolerance()  argument
717 	treg = bank_reg(gpio, to_bank(offset), reg_tolerance);  in aspeed_gpio_reset_tolerance()
720 	copro = aspeed_gpio_copro_request(gpio, offset);  in aspeed_gpio_reset_tolerance()
725 		val |= GPIO_BIT(offset);  in aspeed_gpio_reset_tolerance()
727 		val &= ~GPIO_BIT(offset);  in aspeed_gpio_reset_tolerance()
732 		aspeed_gpio_copro_release(gpio, offset);  in aspeed_gpio_reset_tolerance()
738 static int aspeed_gpio_request(struct gpio_chip *chip, unsigned int offset)  in aspeed_gpio_request()  argument
740 	if (!have_gpio(gpiochip_get_data(chip), offset))  in aspeed_gpio_request()
743 	return pinctrl_gpio_request(chip->base + offset);  in aspeed_gpio_request()
746 static void aspeed_gpio_free(struct gpio_chip *chip, unsigned int offset)  in aspeed_gpio_free()  argument
748 	pinctrl_gpio_free(chip->base + offset);  in aspeed_gpio_free()
776 		unsigned int offset, unsigned int timer)  in register_allocated_timer()  argument
778 	if (WARN(gpio->offset_timer[offset] != 0,  in register_allocated_timer()
780 				offset, gpio->offset_timer[offset]))  in register_allocated_timer()
787 	gpio->offset_timer[offset] = timer;  in register_allocated_timer()
795 		unsigned int offset)  in unregister_allocated_timer()  argument
797 	if (WARN(gpio->offset_timer[offset] == 0,  in unregister_allocated_timer()
798 				"No timer allocated to offset %d\n", offset))  in unregister_allocated_timer()
801 	if (WARN(gpio->timer_users[gpio->offset_timer[offset]] == 0,  in unregister_allocated_timer()
803 				gpio->offset_timer[offset]))  in unregister_allocated_timer()
806 	gpio->timer_users[gpio->offset_timer[offset]]--;  in unregister_allocated_timer()
807 	gpio->offset_timer[offset] = 0;  in unregister_allocated_timer()
814 		unsigned int offset)  in timer_allocation_registered()  argument
816 	return gpio->offset_timer[offset] > 0;  in timer_allocation_registered()
820 static void configure_timer(struct aspeed_gpio *gpio, unsigned int offset,  in configure_timer()  argument
823 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in configure_timer()
824 	const u32 mask = GPIO_BIT(offset);  in configure_timer()
833 	iowrite32((val & ~mask) | GPIO_SET_DEBOUNCE1(timer, offset), addr);  in configure_timer()
837 	iowrite32((val & ~mask) | GPIO_SET_DEBOUNCE2(timer, offset), addr);  in configure_timer()
840 static int enable_debounce(struct gpio_chip *chip, unsigned int offset,  in enable_debounce()  argument
861 	if (timer_allocation_registered(gpio, offset)) {  in enable_debounce()
862 		rc = unregister_allocated_timer(gpio, offset);  in enable_debounce()
901 			configure_timer(gpio, offset, 0);  in enable_debounce()
915 	register_allocated_timer(gpio, offset, i);  in enable_debounce()
916 	configure_timer(gpio, offset, i);  in enable_debounce()
924 static int disable_debounce(struct gpio_chip *chip, unsigned int offset)  in disable_debounce()  argument
932 	rc = unregister_allocated_timer(gpio, offset);  in disable_debounce()
934 		configure_timer(gpio, offset, 0);  in disable_debounce()
941 static int set_debounce(struct gpio_chip *chip, unsigned int offset,  in set_debounce()  argument
946 	if (!have_debounce(gpio, offset))  in set_debounce()
950 		return enable_debounce(chip, offset, usecs);  in set_debounce()
952 	return disable_debounce(chip, offset);  in set_debounce()
955 static int aspeed_gpio_set_config(struct gpio_chip *chip, unsigned int offset,  in aspeed_gpio_set_config()  argument
962 		return set_debounce(chip, offset, arg);  in aspeed_gpio_set_config()
966 		return pinctrl_gpio_set_config(offset, config);  in aspeed_gpio_set_config()
972 		return aspeed_gpio_reset_tolerance(chip, offset, arg);  in aspeed_gpio_set_config()
1006 	int rc = 0, bindex, offset = gpio_chip_hwgpio(desc);  in aspeed_gpio_copro_grab_gpio()  local
1007 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_copro_grab_gpio()
1014 	if (offset < 0 || offset > gpio->chip.ngpio)  in aspeed_gpio_copro_grab_gpio()
1016 	bindex = offset >> 3;  in aspeed_gpio_copro_grab_gpio()
1037 		*bit = GPIO_OFFSET(offset);  in aspeed_gpio_copro_grab_gpio()
1052 	int rc = 0, bindex, offset = gpio_chip_hwgpio(desc);  in aspeed_gpio_copro_release_gpio()  local
1053 	const struct aspeed_gpio_bank *bank = to_bank(offset);  in aspeed_gpio_copro_release_gpio()
1059 	if (offset < 0 || offset > gpio->chip.ngpio)  in aspeed_gpio_copro_release_gpio()
1061 	bindex = offset >> 3;  in aspeed_gpio_copro_release_gpio()