51 static void __iomem *GPIO_OUT(struct orion_gpio_chip *ochip)  in GPIO_OUT()  argument
53 	return ochip->base + GPIO_OUT_OFF;  in GPIO_OUT()
56 static void __iomem *GPIO_IO_CONF(struct orion_gpio_chip *ochip)  in GPIO_IO_CONF()  argument
58 	return ochip->base + GPIO_IO_CONF_OFF;  in GPIO_IO_CONF()
61 static void __iomem *GPIO_BLINK_EN(struct orion_gpio_chip *ochip)  in GPIO_BLINK_EN()  argument
63 	return ochip->base + GPIO_BLINK_EN_OFF;  in GPIO_BLINK_EN()
66 static void __iomem *GPIO_IN_POL(struct orion_gpio_chip *ochip)  in GPIO_IN_POL()  argument
68 	return ochip->base + GPIO_IN_POL_OFF;  in GPIO_IN_POL()
71 static void __iomem *GPIO_DATA_IN(struct orion_gpio_chip *ochip)  in GPIO_DATA_IN()  argument
73 	return ochip->base + GPIO_DATA_IN_OFF;  in GPIO_DATA_IN()
76 static void __iomem *GPIO_EDGE_CAUSE(struct orion_gpio_chip *ochip)  in GPIO_EDGE_CAUSE()  argument
78 	return ochip->base + GPIO_EDGE_CAUSE_OFF;  in GPIO_EDGE_CAUSE()
81 static void __iomem *GPIO_EDGE_MASK(struct orion_gpio_chip *ochip)  in GPIO_EDGE_MASK()  argument
83 	return ochip->base + ochip->mask_offset + GPIO_EDGE_MASK_OFF;  in GPIO_EDGE_MASK()
86 static void __iomem *GPIO_LEVEL_MASK(struct orion_gpio_chip *ochip)  in GPIO_LEVEL_MASK()  argument
88 	return ochip->base + ochip->mask_offset + GPIO_LEVEL_MASK_OFF;  in GPIO_LEVEL_MASK()
96 __set_direction(struct orion_gpio_chip *ochip, unsigned pin, int input)  in __set_direction()  argument
100 	u = readl(GPIO_IO_CONF(ochip));  in __set_direction()
105 	writel(u, GPIO_IO_CONF(ochip));  in __set_direction()
108 static void __set_level(struct orion_gpio_chip *ochip, unsigned pin, int high)  in __set_level()  argument
112 	u = readl(GPIO_OUT(ochip));  in __set_level()
117 	writel(u, GPIO_OUT(ochip));  in __set_level()
121 __set_blinking(struct orion_gpio_chip *ochip, unsigned pin, int blink)  in __set_blinking()  argument
125 	u = readl(GPIO_BLINK_EN(ochip));  in __set_blinking()
130 	writel(u, GPIO_BLINK_EN(ochip));  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()
157 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_request()  local
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()
168 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_direction_input()  local
171 	if (!orion_gpio_is_valid(ochip, pin, GPIO_INPUT_OK))  in orion_gpio_direction_input()
174 	spin_lock_irqsave(&ochip->lock, flags);  in orion_gpio_direction_input()
175 	__set_direction(ochip, pin, 1);  in orion_gpio_direction_input()
176 	spin_unlock_irqrestore(&ochip->lock, flags);  in orion_gpio_direction_input()
183 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_get()  local
186 	if (readl(GPIO_IO_CONF(ochip)) & (1 << pin)) {  in orion_gpio_get()
187 		val = readl(GPIO_DATA_IN(ochip)) ^ readl(GPIO_IN_POL(ochip));  in orion_gpio_get()
189 		val = readl(GPIO_OUT(ochip));  in orion_gpio_get()
198 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_direction_output()  local
201 	if (!orion_gpio_is_valid(ochip, pin, GPIO_OUTPUT_OK))  in orion_gpio_direction_output()
204 	spin_lock_irqsave(&ochip->lock, flags);  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()
208 	spin_unlock_irqrestore(&ochip->lock, flags);  in orion_gpio_direction_output()
215 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_set()  local
218 	spin_lock_irqsave(&ochip->lock, flags);  in orion_gpio_set()
219 	__set_level(ochip, pin, value);  in orion_gpio_set()
220 	spin_unlock_irqrestore(&ochip->lock, flags);  in orion_gpio_set()
225 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_to_irq()  local
227 	return irq_create_mapping(ochip->domain,  in orion_gpio_to_irq()
228 				  ochip->secondary_irq_base + pin);  in orion_gpio_to_irq()
239 		struct orion_gpio_chip *ochip = orion_gpio_chips + i;  in orion_gpio_chip_find()  local
240 		struct gpio_chip *chip = &ochip->chip;  in orion_gpio_chip_find()
243 			return ochip;  in orion_gpio_chip_find()
251 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_unused()  local
253 	if (ochip == NULL)  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()
265 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_valid()  local
267 	if (ochip == NULL)  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()
288 	struct orion_gpio_chip *ochip = orion_gpio_chip_find(pin);  in orion_gpio_set_blink()  local
291 	if (ochip == NULL)  in orion_gpio_set_blink()
294 	spin_lock_irqsave(&ochip->lock, flags);  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()
297 	spin_unlock_irqrestore(&ochip->lock, flags);  in orion_gpio_set_blink()
355 	struct orion_gpio_chip *ochip = gc->private;  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()
379 		u = readl(GPIO_IN_POL(ochip));  in gpio_irq_set_type()
381 		writel(u, GPIO_IN_POL(ochip));  in gpio_irq_set_type()
383 		u = readl(GPIO_IN_POL(ochip));  in gpio_irq_set_type()
385 		writel(u, GPIO_IN_POL(ochip));  in gpio_irq_set_type()
389 		v = readl(GPIO_IN_POL(ochip)) ^ readl(GPIO_DATA_IN(ochip));  in gpio_irq_set_type()
394 		u = readl(GPIO_IN_POL(ochip));  in gpio_irq_set_type()
399 		writel(u, GPIO_IN_POL(ochip));  in gpio_irq_set_type()
406 	struct orion_gpio_chip *ochip = irq_desc_get_handler_data(desc);  in gpio_irq_handler()  local
410 	if (ochip == NULL)  in gpio_irq_handler()
413 	cause = readl(GPIO_DATA_IN(ochip)) & readl(GPIO_LEVEL_MASK(ochip));  in gpio_irq_handler()
414 	cause |= readl(GPIO_EDGE_CAUSE(ochip)) & readl(GPIO_EDGE_MASK(ochip));  in gpio_irq_handler()
416 	for (i = 0; i < ochip->chip.ngpio; i++) {  in gpio_irq_handler()
419 		irq = ochip->secondary_irq_base + i;  in gpio_irq_handler()
429 			polarity = readl(GPIO_IN_POL(ochip));  in gpio_irq_handler()
431 			writel(polarity, GPIO_IN_POL(ochip));  in gpio_irq_handler()
443 	struct orion_gpio_chip *ochip = gpiochip_get_data(chip);  in orion_gpio_dbg_show()  local
448 	out	= readl_relaxed(GPIO_OUT(ochip));  in orion_gpio_dbg_show()
449 	io_conf	= readl_relaxed(GPIO_IO_CONF(ochip));  in orion_gpio_dbg_show()
450 	blink	= readl_relaxed(GPIO_BLINK_EN(ochip));  in orion_gpio_dbg_show()
451 	in_pol	= readl_relaxed(GPIO_IN_POL(ochip));  in orion_gpio_dbg_show()
452 	data_in	= readl_relaxed(GPIO_DATA_IN(ochip));  in orion_gpio_dbg_show()
453 	cause	= readl_relaxed(GPIO_EDGE_CAUSE(ochip));  in orion_gpio_dbg_show()
454 	edg_msk	= readl_relaxed(GPIO_EDGE_MASK(ochip));  in orion_gpio_dbg_show()
455 	lvl_msk	= readl_relaxed(GPIO_LEVEL_MASK(ochip));  in orion_gpio_dbg_show()
525 	struct orion_gpio_chip *ochip;  in orion_gpio_init()  local
537 	ochip = orion_gpio_chips + orion_gpio_chip_count;  in orion_gpio_init()
538 	ochip->chip.label = kstrdup(gc_label, GFP_KERNEL);  in orion_gpio_init()
539 	ochip->chip.request = orion_gpio_request;  in orion_gpio_init()
540 	ochip->chip.direction_input = orion_gpio_direction_input;  in orion_gpio_init()
541 	ochip->chip.get = orion_gpio_get;  in orion_gpio_init()
542 	ochip->chip.direction_output = orion_gpio_direction_output;  in orion_gpio_init()
543 	ochip->chip.set = orion_gpio_set;  in orion_gpio_init()
544 	ochip->chip.to_irq = orion_gpio_to_irq;  in orion_gpio_init()
545 	ochip->chip.base = gpio_base;  in orion_gpio_init()
546 	ochip->chip.ngpio = ngpio;  in orion_gpio_init()
547 	ochip->chip.can_sleep = 0;  in orion_gpio_init()
549 	ochip->chip.of_node = np;  in orion_gpio_init()
551 	ochip->chip.dbg_show = orion_gpio_dbg_show;  in orion_gpio_init()
553 	spin_lock_init(&ochip->lock);  in orion_gpio_init()
554 	ochip->base = (void __iomem *)base;  in orion_gpio_init()
555 	ochip->valid_input = 0;  in orion_gpio_init()
556 	ochip->valid_output = 0;  in orion_gpio_init()
557 	ochip->mask_offset = mask_offset;  in orion_gpio_init()
558 	ochip->secondary_irq_base = secondary_irq_base;  in orion_gpio_init()
560 	gpiochip_add_data(&ochip->chip, ochip);  in orion_gpio_init()
565 	writel(0, GPIO_EDGE_CAUSE(ochip));  in orion_gpio_init()
566 	writel(0, GPIO_EDGE_MASK(ochip));  in orion_gpio_init()
567 	writel(0, GPIO_LEVEL_MASK(ochip));  in orion_gpio_init()
577 							 ochip);  in orion_gpio_init()
583 				    ochip->base, handle_level_irq);  in orion_gpio_init()
584 	gc->private = ochip;  in orion_gpio_init()
586 	ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF;  in orion_gpio_init()
591 	ct->chip.name = ochip->chip.label;  in orion_gpio_init()
594 	ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF;  in orion_gpio_init()
602 	ct->chip.name = ochip->chip.label;  in orion_gpio_init()
608 	ochip->domain = irq_domain_add_legacy(np,  in orion_gpio_init()
609 					      ochip->chip.ngpio,  in orion_gpio_init()
610 					      ochip->secondary_irq_base,  in orion_gpio_init()
611 					      ochip->secondary_irq_base,  in orion_gpio_init()
613 					      ochip);  in orion_gpio_init()
614 	if (!ochip->domain)  in orion_gpio_init()
616 		      ochip->chip.label);  in orion_gpio_init()