130 static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)  in mlxbf2_gpio_lock_acquire()  argument
135 	raw_spin_lock(&gs->gc.bgpio_lock);  in mlxbf2_gpio_lock_acquire()
143 		raw_spin_unlock(&gs->gc.bgpio_lock);  in mlxbf2_gpio_lock_acquire()
156 static void mlxbf2_gpio_lock_release(struct mlxbf2_gpio_context *gs)  in mlxbf2_gpio_lock_release()  argument
157 	__releases(&gs->gc.bgpio_lock)  in mlxbf2_gpio_lock_release()
161 	raw_spin_unlock(&gs->gc.bgpio_lock);  in mlxbf2_gpio_lock_release()
186 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(chip);  in mlxbf2_gpio_direction_input()  local
193 	ret = mlxbf2_gpio_lock_acquire(gs);  in mlxbf2_gpio_direction_input()
197 	writel(BIT(offset), gs->gpio_io + YU_GPIO_MODE0_CLEAR);  in mlxbf2_gpio_direction_input()
198 	writel(BIT(offset), gs->gpio_io + YU_GPIO_MODE1_CLEAR);  in mlxbf2_gpio_direction_input()
200 	mlxbf2_gpio_lock_release(gs);  in mlxbf2_gpio_direction_input()
213 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(chip);  in mlxbf2_gpio_direction_output()  local
221 	ret = mlxbf2_gpio_lock_acquire(gs);  in mlxbf2_gpio_direction_output()
225 	writel(BIT(offset), gs->gpio_io + YU_GPIO_MODE1_CLEAR);  in mlxbf2_gpio_direction_output()
226 	writel(BIT(offset), gs->gpio_io + YU_GPIO_MODE0_SET);  in mlxbf2_gpio_direction_output()
228 	mlxbf2_gpio_lock_release(gs);  in mlxbf2_gpio_direction_output()
236 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(gc);  in mlxbf2_gpio_irq_enable()  local
242 	raw_spin_lock_irqsave(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_enable()
243 	val = readl(gs->gpio_io + YU_GPIO_CAUSE_OR_CLRCAUSE);  in mlxbf2_gpio_irq_enable()
245 	writel(val, gs->gpio_io + YU_GPIO_CAUSE_OR_CLRCAUSE);  in mlxbf2_gpio_irq_enable()
247 	val = readl(gs->gpio_io + YU_GPIO_CAUSE_OR_EVTEN0);  in mlxbf2_gpio_irq_enable()
249 	writel(val, gs->gpio_io + YU_GPIO_CAUSE_OR_EVTEN0);  in mlxbf2_gpio_irq_enable()
250 	raw_spin_unlock_irqrestore(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_enable()
256 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(gc);  in mlxbf2_gpio_irq_disable()  local
261 	raw_spin_lock_irqsave(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_disable()
262 	val = readl(gs->gpio_io + YU_GPIO_CAUSE_OR_EVTEN0);  in mlxbf2_gpio_irq_disable()
264 	writel(val, gs->gpio_io + YU_GPIO_CAUSE_OR_EVTEN0);  in mlxbf2_gpio_irq_disable()
265 	raw_spin_unlock_irqrestore(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_disable()
271 	struct mlxbf2_gpio_context *gs = ptr;  in mlxbf2_gpio_irq_handler()  local
272 	struct gpio_chip *gc = &gs->gc;  in mlxbf2_gpio_irq_handler()
276 	pending = readl(gs->gpio_io + YU_GPIO_CAUSE_OR_CAUSE_EVTEN0);  in mlxbf2_gpio_irq_handler()
277 	writel(pending, gs->gpio_io + YU_GPIO_CAUSE_OR_CLRCAUSE);  in mlxbf2_gpio_irq_handler()
289 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(gc);  in mlxbf2_gpio_irq_set_type()  local
311 	raw_spin_lock_irqsave(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_set_type()
313 		val = readl(gs->gpio_io + YU_GPIO_CAUSE_FALL_EN);  in mlxbf2_gpio_irq_set_type()
315 		writel(val, gs->gpio_io + YU_GPIO_CAUSE_FALL_EN);  in mlxbf2_gpio_irq_set_type()
319 		val = readl(gs->gpio_io + YU_GPIO_CAUSE_RISE_EN);  in mlxbf2_gpio_irq_set_type()
321 		writel(val, gs->gpio_io + YU_GPIO_CAUSE_RISE_EN);  in mlxbf2_gpio_irq_set_type()
323 	raw_spin_unlock_irqrestore(&gs->gc.bgpio_lock, flags);  in mlxbf2_gpio_irq_set_type()
332 	struct mlxbf2_gpio_context *gs = gpiochip_get_data(gc);  in mlxbf2_gpio_irq_print_chip()  local
334 	seq_printf(p, dev_name(gs->dev));  in mlxbf2_gpio_irq_print_chip()
350 	struct mlxbf2_gpio_context *gs;  in mlxbf2_gpio_probe()  local
360 	gs = devm_kzalloc(dev, sizeof(*gs), GFP_KERNEL);  in mlxbf2_gpio_probe()
361 	if (!gs)  in mlxbf2_gpio_probe()
364 	gs->dev = dev;  in mlxbf2_gpio_probe()
367 	gs->gpio_io = devm_platform_ioremap_resource(pdev, 0);  in mlxbf2_gpio_probe()
368 	if (IS_ERR(gs->gpio_io))  in mlxbf2_gpio_probe()
369 		return PTR_ERR(gs->gpio_io);  in mlxbf2_gpio_probe()
380 	gc = &gs->gc;  in mlxbf2_gpio_probe()
383 			gs->gpio_io + YU_GPIO_DATAIN,  in mlxbf2_gpio_probe()
384 			gs->gpio_io + YU_GPIO_DATASET,  in mlxbf2_gpio_probe()
385 			gs->gpio_io + YU_GPIO_DATACLEAR,  in mlxbf2_gpio_probe()
402 		girq = &gs->gc.irq;  in mlxbf2_gpio_probe()
416 				       IRQF_SHARED, name, gs);  in mlxbf2_gpio_probe()
423 	platform_set_drvdata(pdev, gs);  in mlxbf2_gpio_probe()
425 	ret = devm_gpiochip_add_data(dev, &gs->gc, gs);  in mlxbf2_gpio_probe()
436 	struct mlxbf2_gpio_context *gs = dev_get_drvdata(dev);  in mlxbf2_gpio_suspend()  local
438 	gs->csave_regs->gpio_mode0 = readl(gs->gpio_io +  in mlxbf2_gpio_suspend()
440 	gs->csave_regs->gpio_mode1 = readl(gs->gpio_io +  in mlxbf2_gpio_suspend()
448 	struct mlxbf2_gpio_context *gs = dev_get_drvdata(dev);  in mlxbf2_gpio_resume()  local
450 	writel(gs->csave_regs->gpio_mode0, gs->gpio_io +  in mlxbf2_gpio_resume()
452 	writel(gs->csave_regs->gpio_mode1, gs->gpio_io +  in mlxbf2_gpio_resume()