87 #define LINE_USED(line, offset) (line & (BIT(offset)))  argument
115 static void omap_set_gpio_dataout_reg(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_dataout_reg()  argument
119 	u32 l = BIT(offset);  in omap_set_gpio_dataout_reg()
133 static void omap_set_gpio_dataout_mask(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_dataout_mask()  argument
137 	u32 gpio_bit = BIT(offset);  in omap_set_gpio_dataout_mask()
149 static int omap_get_gpio_datain(struct gpio_bank *bank, int offset)  in omap_get_gpio_datain()  argument
153 	return (readl_relaxed(reg) & (BIT(offset))) != 0;  in omap_get_gpio_datain()
156 static int omap_get_gpio_dataout(struct gpio_bank *bank, int offset)  in omap_get_gpio_dataout()  argument
160 	return (readl_relaxed(reg) & (BIT(offset))) != 0;  in omap_get_gpio_dataout()
210 static void omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,  in omap2_set_gpio_debounce()  argument
227 	l = BIT(offset);  in omap2_set_gpio_debounce()
269 static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset)  in omap_clear_gpio_debounce()  argument
271 	u32 gpio_bit = BIT(offset);  in omap_clear_gpio_debounce()
422 static void omap_enable_gpio_module(struct gpio_bank *bank, unsigned offset)  in omap_enable_gpio_module()  argument
428 		writel_relaxed(readl_relaxed(reg) | (BIT(offset)), reg);  in omap_enable_gpio_module()
443 static void omap_disable_gpio_module(struct gpio_bank *bank, unsigned offset)  in omap_disable_gpio_module()  argument
448 	    !LINE_USED(bank->mod_usage, offset) &&  in omap_disable_gpio_module()
449 	    !LINE_USED(bank->irq_usage, offset)) {  in omap_disable_gpio_module()
451 		omap_gpio_rmw(base, bank->regs->wkup_en, BIT(offset), 0);  in omap_disable_gpio_module()
468 static int omap_gpio_is_input(struct gpio_bank *bank, unsigned offset)  in omap_gpio_is_input()  argument
472 	return readl_relaxed(reg) & BIT(offset);  in omap_gpio_is_input()
475 static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned offset)  in omap_gpio_init_irq()  argument
477 	if (!LINE_USED(bank->mod_usage, offset)) {  in omap_gpio_init_irq()
478 		omap_enable_gpio_module(bank, offset);  in omap_gpio_init_irq()
479 		omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_init_irq()
481 	bank->irq_usage |= BIT(offset);  in omap_gpio_init_irq()
489 	unsigned offset = d->hwirq;  in omap_gpio_irq_type()  local
502 	retval = omap_set_gpio_triggering(bank, offset, type);  in omap_gpio_irq_type()
503 	omap_gpio_init_irq(bank, offset);  in omap_gpio_irq_type()
504 	if (!omap_gpio_is_input(bank, offset)) {  in omap_gpio_irq_type()
536 					     unsigned offset)  in omap_clear_gpio_irqstatus()  argument
538 	omap_clear_gpio_irqbank(bank, BIT(offset));  in omap_clear_gpio_irqstatus()
600 					   unsigned offset, int enable)  in omap_set_gpio_irqenable()  argument
603 		omap_enable_gpio_irqbank(bank, BIT(offset));  in omap_set_gpio_irqenable()
605 		omap_disable_gpio_irqbank(bank, BIT(offset));  in omap_set_gpio_irqenable()
616 static int omap_set_gpio_wakeup(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_wakeup()  argument
619 	u32 gpio_bit = BIT(offset);  in omap_set_gpio_wakeup()
625 			offset);  in omap_set_gpio_wakeup()
641 static void omap_reset_gpio(struct gpio_bank *bank, unsigned offset)  in omap_reset_gpio()  argument
643 	omap_set_gpio_direction(bank, offset, 1);  in omap_reset_gpio()
644 	omap_set_gpio_irqenable(bank, offset, 0);  in omap_reset_gpio()
645 	omap_clear_gpio_irqstatus(bank, offset);  in omap_reset_gpio()
646 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);  in omap_reset_gpio()
647 	omap_clear_gpio_debounce(bank, offset);  in omap_reset_gpio()
654 	unsigned offset = d->hwirq;  in omap_gpio_wake_enable()  local
656 	return omap_set_gpio_wakeup(bank, offset, enable);  in omap_gpio_wake_enable()
659 static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)  in omap_gpio_request()  argument
676 	if (!LINE_USED(bank->irq_usage, offset)) {  in omap_gpio_request()
677 		omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);  in omap_gpio_request()
678 		omap_enable_gpio_module(bank, offset);  in omap_gpio_request()
680 	bank->mod_usage |= BIT(offset);  in omap_gpio_request()
686 static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)  in omap_gpio_free()  argument
692 	bank->mod_usage &= ~(BIT(offset));  in omap_gpio_free()
693 	omap_disable_gpio_module(bank, offset);  in omap_gpio_free()
694 	omap_reset_gpio(bank, offset);  in omap_gpio_free()
792 	unsigned offset = d->hwirq;  in omap_gpio_irq_startup()  local
798 	omap_gpio_init_irq(bank, offset);  in omap_gpio_irq_startup()
809 	unsigned offset = d->hwirq;  in omap_gpio_irq_shutdown()  local
812 	bank->irq_usage &= ~(BIT(offset));  in omap_gpio_irq_shutdown()
813 	omap_disable_gpio_module(bank, offset);  in omap_gpio_irq_shutdown()
814 	omap_reset_gpio(bank, offset);  in omap_gpio_irq_shutdown()
828 	unsigned offset = d->hwirq;  in omap_gpio_ack_irq()  local
830 	omap_clear_gpio_irqstatus(bank, offset);  in omap_gpio_ack_irq()
836 	unsigned offset = d->hwirq;  in omap_gpio_mask_irq()  local
840 	omap_set_gpio_irqenable(bank, offset, 0);  in omap_gpio_mask_irq()
841 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);  in omap_gpio_mask_irq()
848 	unsigned offset = d->hwirq;  in omap_gpio_unmask_irq()  local
854 		omap_set_gpio_triggering(bank, offset, trigger);  in omap_gpio_unmask_irq()
858 	if (bank->level_mask & BIT(offset)) {  in omap_gpio_unmask_irq()
859 		omap_set_gpio_irqenable(bank, offset, 0);  in omap_gpio_unmask_irq()
860 		omap_clear_gpio_irqstatus(bank, offset);  in omap_gpio_unmask_irq()
863 	omap_set_gpio_irqenable(bank, offset, 1);  in omap_gpio_unmask_irq()
931 static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset)  in omap_gpio_get_direction()  argument
941 	dir = !!(readl_relaxed(reg) & BIT(offset));  in omap_gpio_get_direction()
946 static int omap_gpio_input(struct gpio_chip *chip, unsigned offset)  in omap_gpio_input()  argument
953 	omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_input()
958 static int omap_gpio_get(struct gpio_chip *chip, unsigned offset)  in omap_gpio_get()  argument
964 	if (omap_gpio_is_input(bank, offset))  in omap_gpio_get()
965 		return omap_get_gpio_datain(bank, offset);  in omap_gpio_get()
967 		return omap_get_gpio_dataout(bank, offset);  in omap_gpio_get()
970 static int omap_gpio_output(struct gpio_chip *chip, unsigned offset, int value)  in omap_gpio_output()  argument
977 	bank->set_dataout(bank, offset, value);  in omap_gpio_output()
978 	omap_set_gpio_direction(bank, offset, 0);  in omap_gpio_output()
983 static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset,  in omap_gpio_debounce()  argument
992 	omap2_set_gpio_debounce(bank, offset, debounce);  in omap_gpio_debounce()
998 static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)  in omap_gpio_set()  argument
1005 	bank->set_dataout(bank, offset, value);  in omap_gpio_set()