drivers/gpio/gpio-ep93xx.c

54 	struct ep93xx_gpio_irq_chip	*eic;
68 	return egc->eic;
83 					  struct ep93xx_gpio_irq_chip *eic)
85 	writeb_relaxed(0, epg->base + eic->irq_offset + EP93XX_INT_EN_OFFSET);
87 	writeb_relaxed(eic->int_type2,
88 		       epg->base + eic->irq_offset + EP93XX_INT_TYPE2_OFFSET);
90 	writeb_relaxed(eic->int_type1,
91 		       epg->base + eic->irq_offset + EP93XX_INT_TYPE1_OFFSET);
93 	writeb_relaxed(eic->int_unmasked & eic->int_enabled,
94 		       epg->base + eic->irq_offset + EP93XX_INT_EN_OFFSET);
101 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
105 		eic->int_debounce |= port_mask;
107 		eic->int_debounce &= ~port_mask;
109 	writeb(eic->int_debounce,
110 	       epg->base + eic->irq_offset + EP93XX_INT_DEBOUNCE_OFFSET);
162 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
167 		eic->int_type2 ^= port_mask; /* switch edge direction */
168 		ep93xx_gpio_update_int_params(epg, eic);
171 	writeb(port_mask, epg->base + eic->irq_offset + EP93XX_INT_EOI_OFFSET);
177 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
182 		eic->int_type2 ^= port_mask; /* switch edge direction */
184 	eic->int_unmasked &= ~port_mask;
185 	ep93xx_gpio_update_int_params(epg, eic);
187 	writeb(port_mask, epg->base + eic->irq_offset + EP93XX_INT_EOI_OFFSET);
194 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
197 	eic->int_unmasked &= ~BIT(d->irq & 7);
198 	ep93xx_gpio_update_int_params(epg, eic);
205 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
209 	eic->int_unmasked |= BIT(d->irq & 7);
210 	ep93xx_gpio_update_int_params(epg, eic);
221 	struct ep93xx_gpio_irq_chip *eic = to_ep93xx_gpio_irq_chip(gc);
231 		eic->int_type1 |= port_mask;
232 		eic->int_type2 |= port_mask;
236 		eic->int_type1 |= port_mask;
237 		eic->int_type2 &= ~port_mask;
241 		eic->int_type1 &= ~port_mask;
242 		eic->int_type2 |= port_mask;
246 		eic->int_type1 &= ~port_mask;
247 		eic->int_type2 &= ~port_mask;
251 		eic->int_type1 |= port_mask;
254 			eic->int_type2 &= ~port_mask; /* falling */
256 			eic->int_type2 |= port_mask; /* rising */
265 	eic->int_enabled |= port_mask;
267 	ep93xx_gpio_update_int_params(epg, eic);
334 	.name			= "ep93xx-gpio-eic",
367 		egc->eic = devm_kcalloc(dev, 1,
368 					sizeof(*egc->eic),
370 		if (!egc->eic)
372 		egc->eic->irq_offset = bank->irq;