89 #define LINE_USED(line, offset) (line & (BIT(offset)))  argument
117 static void omap_set_gpio_dataout_reg(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_dataout_reg()  argument
121 	u32 l = BIT(offset);  in omap_set_gpio_dataout_reg()
135 static void omap_set_gpio_dataout_mask(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_dataout_mask()  argument
139 	u32 gpio_bit = BIT(offset);  in omap_set_gpio_dataout_mask()
151 static int omap_get_gpio_datain(struct gpio_bank *bank, int offset)  in omap_get_gpio_datain()  argument
155 	return (readl_relaxed(reg) & (BIT(offset))) != 0;  in omap_get_gpio_datain()
158 static int omap_get_gpio_dataout(struct gpio_bank *bank, int offset)  in omap_get_gpio_dataout()  argument
162 	return (readl_relaxed(reg) & (BIT(offset))) != 0;  in omap_get_gpio_dataout()
213 static void omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,  in omap2_set_gpio_debounce()  argument
229 	l = BIT(offset);  in omap2_set_gpio_debounce()
271 static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset)  in omap_clear_gpio_debounce()  argument
273 	u32 gpio_bit = BIT(offset);  in omap_clear_gpio_debounce()
424 static void omap_enable_gpio_module(struct gpio_bank *bank, unsigned offset)  in omap_enable_gpio_module()  argument
430 		writel_relaxed(readl_relaxed(reg) | (BIT(offset)), reg);  in omap_enable_gpio_module()
445 static void omap_disable_gpio_module(struct gpio_bank *bank, unsigned offset)  in omap_disable_gpio_module()  argument
450 	    !LINE_USED(bank->mod_usage, offset) &&  in omap_disable_gpio_module()
451 	    !LINE_USED(bank->irq_usage, offset)) {  in omap_disable_gpio_module()
453 		omap_gpio_rmw(base, bank->regs->wkup_en, BIT(offset), 0);  in omap_disable_gpio_module()
470 static int omap_gpio_is_input(struct gpio_bank *bank, unsigned offset)  in omap_gpio_is_input()  argument
474 	return readl_relaxed(reg) & BIT(offset);  in omap_gpio_is_input()
477 static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned offset)  in omap_gpio_init_irq()  argument
479 	if (!LINE_USED(bank->mod_usage, offset)) {  in omap_gpio_init_irq()
480 		omap_enable_gpio_module(bank, offset);  in omap_gpio_init_irq()
481 		omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_init_irq()
483 	bank->irq_usage |= BIT(offset);  in omap_gpio_init_irq()
491 	unsigned offset = d->hwirq;  in omap_gpio_irq_type()  local
501 	retval = omap_set_gpio_triggering(bank, offset, type);  in omap_gpio_irq_type()
506 	omap_gpio_init_irq(bank, offset);  in omap_gpio_irq_type()
507 	if (!omap_gpio_is_input(bank, offset)) {  in omap_gpio_irq_type()
543 					     unsigned offset)  in omap_clear_gpio_irqstatus()  argument
545 	omap_clear_gpio_irqbank(bank, BIT(offset));  in omap_clear_gpio_irqstatus()
607 					   unsigned offset, int enable)  in omap_set_gpio_irqenable()  argument
610 		omap_enable_gpio_irqbank(bank, BIT(offset));  in omap_set_gpio_irqenable()
612 		omap_disable_gpio_irqbank(bank, BIT(offset));  in omap_set_gpio_irqenable()
623 static int omap_set_gpio_wakeup(struct gpio_bank *bank, unsigned offset,  in omap_set_gpio_wakeup()  argument
626 	u32 gpio_bit = BIT(offset);  in omap_set_gpio_wakeup()
632 			offset);  in omap_set_gpio_wakeup()
652 	unsigned offset = d->hwirq;  in omap_gpio_wake_enable()  local
655 	ret = omap_set_gpio_wakeup(bank, offset, enable);  in omap_gpio_wake_enable()
662 static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)  in omap_gpio_request()  argument
675 	omap_enable_gpio_module(bank, offset);  in omap_gpio_request()
676 	bank->mod_usage |= BIT(offset);  in omap_gpio_request()
682 static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)  in omap_gpio_free()  argument
688 	bank->mod_usage &= ~(BIT(offset));  in omap_gpio_free()
689 	if (!LINE_USED(bank->irq_usage, offset)) {  in omap_gpio_free()
690 		omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_free()
691 		omap_clear_gpio_debounce(bank, offset);  in omap_gpio_free()
693 	omap_disable_gpio_module(bank, offset);  in omap_gpio_free()
787 	unsigned offset = d->hwirq;  in omap_gpio_irq_startup()  local
791 	if (!LINE_USED(bank->mod_usage, offset))  in omap_gpio_irq_startup()
792 		omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_irq_startup()
793 	else if (!omap_gpio_is_input(bank, offset))  in omap_gpio_irq_startup()
795 	omap_enable_gpio_module(bank, offset);  in omap_gpio_irq_startup()
796 	bank->irq_usage |= BIT(offset);  in omap_gpio_irq_startup()
811 	unsigned offset = d->hwirq;  in omap_gpio_irq_shutdown()  local
814 	bank->irq_usage &= ~(BIT(offset));  in omap_gpio_irq_shutdown()
815 	omap_set_gpio_irqenable(bank, offset, 0);  in omap_gpio_irq_shutdown()
816 	omap_clear_gpio_irqstatus(bank, offset);  in omap_gpio_irq_shutdown()
817 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);  in omap_gpio_irq_shutdown()
818 	if (!LINE_USED(bank->mod_usage, offset))  in omap_gpio_irq_shutdown()
819 		omap_clear_gpio_debounce(bank, offset);  in omap_gpio_irq_shutdown()
820 	omap_disable_gpio_module(bank, offset);  in omap_gpio_irq_shutdown()
847 	unsigned offset = d->hwirq;  in omap_gpio_ack_irq()  local
849 	omap_clear_gpio_irqstatus(bank, offset);  in omap_gpio_ack_irq()
855 	unsigned offset = d->hwirq;  in omap_gpio_mask_irq()  local
859 	omap_set_gpio_irqenable(bank, offset, 0);  in omap_gpio_mask_irq()
860 	omap_set_gpio_triggering(bank, offset, IRQ_TYPE_NONE);  in omap_gpio_mask_irq()
867 	unsigned offset = d->hwirq;  in omap_gpio_unmask_irq()  local
873 		omap_set_gpio_triggering(bank, offset, trigger);  in omap_gpio_unmask_irq()
877 	if (bank->level_mask & BIT(offset)) {  in omap_gpio_unmask_irq()
878 		omap_set_gpio_irqenable(bank, offset, 0);  in omap_gpio_unmask_irq()
879 		omap_clear_gpio_irqstatus(bank, offset);  in omap_gpio_unmask_irq()
882 	omap_set_gpio_irqenable(bank, offset, 1);  in omap_gpio_unmask_irq()
950 static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset)  in omap_gpio_get_direction()  argument
960 	dir = !!(readl_relaxed(reg) & BIT(offset));  in omap_gpio_get_direction()
965 static int omap_gpio_input(struct gpio_chip *chip, unsigned offset)  in omap_gpio_input()  argument
972 	omap_set_gpio_direction(bank, offset, 1);  in omap_gpio_input()
977 static int omap_gpio_get(struct gpio_chip *chip, unsigned offset)  in omap_gpio_get()  argument
983 	if (omap_gpio_is_input(bank, offset))  in omap_gpio_get()
984 		return omap_get_gpio_datain(bank, offset);  in omap_gpio_get()
986 		return omap_get_gpio_dataout(bank, offset);  in omap_gpio_get()
989 static int omap_gpio_output(struct gpio_chip *chip, unsigned offset, int value)  in omap_gpio_output()  argument
996 	bank->set_dataout(bank, offset, value);  in omap_gpio_output()
997 	omap_set_gpio_direction(bank, offset, 0);  in omap_gpio_output()
1002 static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset,  in omap_gpio_debounce()  argument
1011 	omap2_set_gpio_debounce(bank, offset, debounce);  in omap_gpio_debounce()
1017 static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)  in omap_gpio_set()  argument
1024 	bank->set_dataout(bank, offset, value);  in omap_gpio_set()