34 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_read()  local
36 	if (cec->cec_is_low)  in cec_gpio_read()
38 	return gpiod_get_value(cec->cec_gpio);  in cec_gpio_read()
43 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_high()  local
45 	if (!cec->cec_is_low)  in cec_gpio_high()
47 	cec->cec_is_low = false;  in cec_gpio_high()
48 	gpiod_set_value(cec->cec_gpio, 1);  in cec_gpio_high()
53 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_low()  local
55 	if (cec->cec_is_low)  in cec_gpio_low()
57 	cec->cec_is_low = true;  in cec_gpio_low()
58 	gpiod_set_value(cec->cec_gpio, 0);  in cec_gpio_low()
63 	struct cec_gpio *cec = priv;  in cec_hpd_gpio_irq_handler_thread()  local
65 	cec_queue_pin_hpd_event(cec->adap, cec->hpd_is_high, cec->hpd_ts);  in cec_hpd_gpio_irq_handler_thread()
71 	struct cec_gpio *cec = priv;  in cec_5v_gpio_irq_handler()  local
72 	bool is_high = gpiod_get_value(cec->v5_gpio);  in cec_5v_gpio_irq_handler()
74 	if (is_high == cec->v5_is_high)  in cec_5v_gpio_irq_handler()
76 	cec->v5_ts = ktime_get();  in cec_5v_gpio_irq_handler()
77 	cec->v5_is_high = is_high;  in cec_5v_gpio_irq_handler()
83 	struct cec_gpio *cec = priv;  in cec_5v_gpio_irq_handler_thread()  local
85 	cec_queue_pin_5v_event(cec->adap, cec->v5_is_high, cec->v5_ts);  in cec_5v_gpio_irq_handler_thread()
91 	struct cec_gpio *cec = priv;  in cec_hpd_gpio_irq_handler()  local
92 	bool is_high = gpiod_get_value(cec->hpd_gpio);  in cec_hpd_gpio_irq_handler()
94 	if (is_high == cec->hpd_is_high)  in cec_hpd_gpio_irq_handler()
96 	cec->hpd_ts = ktime_get();  in cec_hpd_gpio_irq_handler()
97 	cec->hpd_is_high = is_high;  in cec_hpd_gpio_irq_handler()
103 	struct cec_gpio *cec = priv;  in cec_gpio_irq_handler()  local
105 	cec_pin_changed(cec->adap, gpiod_get_value(cec->cec_gpio));  in cec_gpio_irq_handler()
111 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_enable_irq()  local
113 	enable_irq(cec->cec_irq);  in cec_gpio_enable_irq()
119 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_disable_irq()  local
121 	disable_irq(cec->cec_irq);  in cec_gpio_disable_irq()
126 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_status()  local
128 	seq_printf(file, "mode: %s\n", cec->cec_is_low ? "low-drive" : "read");  in cec_gpio_status()
129 	seq_printf(file, "using irq: %d\n", cec->cec_irq);  in cec_gpio_status()
130 	if (cec->hpd_gpio)  in cec_gpio_status()
132 			   cec->hpd_is_high ? "high" : "low");  in cec_gpio_status()
133 	if (cec->v5_gpio)  in cec_gpio_status()
135 			   cec->v5_is_high ? "high" : "low");  in cec_gpio_status()
140 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_read_hpd()  local
142 	if (!cec->hpd_gpio)  in cec_gpio_read_hpd()
144 	return gpiod_get_value(cec->hpd_gpio);  in cec_gpio_read_hpd()
149 	struct cec_gpio *cec = cec_get_drvdata(adap);  in cec_gpio_read_5v()  local
151 	if (!cec->v5_gpio)  in cec_gpio_read_5v()
153 	return gpiod_get_value(cec->v5_gpio);  in cec_gpio_read_5v()
176 	struct cec_gpio *cec;  in cec_gpio_probe()  local
179 	cec = devm_kzalloc(dev, sizeof(*cec), GFP_KERNEL);  in cec_gpio_probe()
180 	if (!cec)  in cec_gpio_probe()
183 	cec->dev = dev;  in cec_gpio_probe()
185 	cec->cec_gpio = devm_gpiod_get(dev, "cec", GPIOD_OUT_HIGH_OPEN_DRAIN);  in cec_gpio_probe()
186 	if (IS_ERR(cec->cec_gpio))  in cec_gpio_probe()
187 		return PTR_ERR(cec->cec_gpio);  in cec_gpio_probe()
188 	cec->cec_irq = gpiod_to_irq(cec->cec_gpio);  in cec_gpio_probe()
190 	cec->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN);  in cec_gpio_probe()
191 	if (IS_ERR(cec->hpd_gpio))  in cec_gpio_probe()
192 		return PTR_ERR(cec->hpd_gpio);  in cec_gpio_probe()
194 	cec->v5_gpio = devm_gpiod_get_optional(dev, "v5", GPIOD_IN);  in cec_gpio_probe()
195 	if (IS_ERR(cec->v5_gpio))  in cec_gpio_probe()
196 		return PTR_ERR(cec->v5_gpio);  in cec_gpio_probe()
198 	cec->adap = cec_pin_allocate_adapter(&cec_gpio_pin_ops,  in cec_gpio_probe()
199 		cec, pdev->name, CEC_CAP_DEFAULTS | CEC_CAP_PHYS_ADDR |  in cec_gpio_probe()
201 	if (IS_ERR(cec->adap))  in cec_gpio_probe()
202 		return PTR_ERR(cec->adap);  in cec_gpio_probe()
204 	ret = devm_request_irq(dev, cec->cec_irq, cec_gpio_irq_handler,  in cec_gpio_probe()
206 			       cec->adap->name, cec);  in cec_gpio_probe()
210 	cec_gpio_disable_irq(cec->adap);  in cec_gpio_probe()
212 	if (cec->hpd_gpio) {  in cec_gpio_probe()
213 		cec->hpd_irq = gpiod_to_irq(cec->hpd_gpio);  in cec_gpio_probe()
214 		ret = devm_request_threaded_irq(dev, cec->hpd_irq,  in cec_gpio_probe()
219 			"hpd-gpio", cec);  in cec_gpio_probe()
224 	if (cec->v5_gpio) {  in cec_gpio_probe()
225 		cec->v5_irq = gpiod_to_irq(cec->v5_gpio);  in cec_gpio_probe()
226 		ret = devm_request_threaded_irq(dev, cec->v5_irq,  in cec_gpio_probe()
231 			"v5-gpio", cec);  in cec_gpio_probe()
236 	ret = cec_register_adapter(cec->adap, &pdev->dev);  in cec_gpio_probe()
238 		cec_delete_adapter(cec->adap);  in cec_gpio_probe()
242 	platform_set_drvdata(pdev, cec);  in cec_gpio_probe()
248 	struct cec_gpio *cec = platform_get_drvdata(pdev);  in cec_gpio_remove()  local
250 	cec_unregister_adapter(cec->adap);  in cec_gpio_remove()