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);
39 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
41 	bcma_chipco_gpio_outen(cc, 1 << gpio, 0);
48 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
50 	bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio);
51 	bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
57 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
59 	bcma_chipco_gpio_control(cc, 1 << gpio, 0);
61 	bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0);
63 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio);
70 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
73 	bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
81 	struct bcma_drv_cc *cc = gpiochip_get_data(gc);
83 	u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
86 	bcma_chipco_gpio_polarity(cc, BIT(gpio), val);
87 	bcma_chipco_gpio_intmask(cc, BIT(gpio), BIT(gpio));
93 	struct bcma_drv_cc *cc = gpiochip_get_data(gc);
96 	bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
110 	struct bcma_drv_cc *cc = dev_id;
111 	struct gpio_chip *gc = &cc->gpio;
112 	u32 val = bcma_cc_read32(cc, BCMA_CC_GPIOIN);
113 	u32 mask = bcma_cc_read32(cc, BCMA_CC_GPIOIRQ);
114 	u32 pol = bcma_cc_read32(cc, BCMA_CC_GPIOPOL);
123 	bcma_chipco_gpio_polarity(cc, irqs, val & irqs);
128 static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
130 	struct gpio_chip *chip = &cc->gpio;
134 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
137 	hwirq = bcma_core_irq(cc->core, 0);
139 			  cc);
143 	bcma_chipco_gpio_intmask(cc, ~0, 0);
144 	bcma_cc_set32(cc, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO);
157 static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
159 	if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
162 	bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
163 	free_irq(bcma_core_irq(cc->core, 0), cc);
166 static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
171 static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
176 int bcma_gpio_init(struct bcma_drv_cc *cc)
178 	struct bcma_bus *bus = cc->core->bus;
179 	struct gpio_chip *chip = &cc->gpio;
191 	chip->fwnode		= dev_fwnode(&cc->core->dev);
213 	    cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
218 	err = bcma_gpio_irq_init(cc);
222 	err = gpiochip_add_data(chip, cc);
224 		bcma_gpio_irq_exit(cc);
231 int bcma_gpio_unregister(struct bcma_drv_cc *cc)
233 	bcma_gpio_irq_exit(cc);
234 	gpiochip_remove(&cc->gpio);