drivers/bcma/driver_gpio.c

24 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
26 	return !!bcma_chipco_gpio_in(cc, 1 << gpio);
32 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
34 	bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
41 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
43 	bcma_chipco_gpio_outen(cc, 1 << gpio, 0);
50 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
52 	bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio);
53 	bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
59 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
61 	bcma_chipco_gpio_control(cc, 1 << gpio, 0);
63 	bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0);
65 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio);
72 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
75 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
83 	struct bcma_drv_cc *cc = gpiochip_get_data(gc);
85 	u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
88 	bcma_chipco_gpio_polarity(cc, BIT(gpio), val);
89 	bcma_chipco_gpio_intmask(cc, BIT(gpio), BIT(gpio));
95 	struct bcma_drv_cc *cc = gpiochip_get_data(gc);
98 	bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
112 	struct bcma_drv_cc *cc = dev_id;
113 	struct gpio_chip *gc = &cc->gpio;
114 	u32 val = bcma_cc_read32(cc, BCMA_CC_GPIOIN);
115 	u32 mask = bcma_cc_read32(cc, BCMA_CC_GPIOIRQ);
116 	u32 pol = bcma_cc_read32(cc, BCMA_CC_GPIOPOL);
125 	bcma_chipco_gpio_polarity(cc, irqs, val & irqs);
130 static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
132 	struct gpio_chip *chip = &cc->gpio;
136 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
139 	hwirq = bcma_core_irq(cc->core, 0);
141 			  cc);
145 	bcma_chipco_gpio_intmask(cc, ~0, 0);
146 	bcma_cc_set32(cc, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO);
159 static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
161 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
164 	bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
165 	free_irq(bcma_core_irq(cc->core, 0), cc);
168 static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
173 static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
178 int bcma_gpio_init(struct bcma_drv_cc *cc)
180 	struct bcma_bus *bus = cc->core->bus;
181 	struct gpio_chip *chip = &cc->gpio;
193 	chip->fwnode		= dev_fwnode(&cc->core->dev);
215 	    cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
220 	err = bcma_gpio_irq_init(cc);
224 	err = gpiochip_add_data(chip, cc);
226 		bcma_gpio_irq_exit(cc);
233 int bcma_gpio_unregister(struct bcma_drv_cc *cc)
235 	bcma_gpio_irq_exit(cc);
236 	gpiochip_remove(&cc->gpio);