1 files changed, 0 insertions, 298 deletions

diff --git a/drivers/media/platform/cec-gpio/cec-gpio.c b/drivers/media/platform/cec-gpio/cec-gpio.c
deleted file mode 100644
index 42d2c2cd9a78..000000000000
--- a/drivers/media/platform/cec-gpio/cec-gpio.c
+++ /dev/null
@@ -1,298 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/consumer.h>
-#include <media/cec-notifier.h>
-#include <media/cec-pin.h>
-
-struct cec_gpio {
-	struct cec_adapter	*adap;
-	struct cec_notifier	*notifier;
-	struct device		*dev;
-
-	struct gpio_desc	*cec_gpio;
-	int			cec_irq;
-	bool			cec_is_low;
-
-	struct gpio_desc	*hpd_gpio;
-	int			hpd_irq;
-	bool			hpd_is_high;
-	ktime_t			hpd_ts;
-
-	struct gpio_desc	*v5_gpio;
-	int			v5_irq;
-	bool			v5_is_high;
-	ktime_t			v5_ts;
-};
-
-static bool cec_gpio_read(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	if (cec->cec_is_low)
-		return false;
-	return gpiod_get_value(cec->cec_gpio);
-}
-
-static void cec_gpio_high(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	if (!cec->cec_is_low)
-		return;
-	cec->cec_is_low = false;
-	gpiod_set_value(cec->cec_gpio, 1);
-}
-
-static void cec_gpio_low(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	if (cec->cec_is_low)
-		return;
-	cec->cec_is_low = true;
-	gpiod_set_value(cec->cec_gpio, 0);
-}
-
-static irqreturn_t cec_hpd_gpio_irq_handler_thread(int irq, void *priv)
-{
-	struct cec_gpio *cec = priv;
-
-	cec_queue_pin_hpd_event(cec->adap, cec->hpd_is_high, cec->hpd_ts);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t cec_5v_gpio_irq_handler(int irq, void *priv)
-{
-	struct cec_gpio *cec = priv;
-	bool is_high = gpiod_get_value(cec->v5_gpio);
-
-	if (is_high == cec->v5_is_high)
-		return IRQ_HANDLED;
-	cec->v5_ts = ktime_get();
-	cec->v5_is_high = is_high;
-	return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t cec_5v_gpio_irq_handler_thread(int irq, void *priv)
-{
-	struct cec_gpio *cec = priv;
-
-	cec_queue_pin_5v_event(cec->adap, cec->v5_is_high, cec->v5_ts);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t cec_hpd_gpio_irq_handler(int irq, void *priv)
-{
-	struct cec_gpio *cec = priv;
-	bool is_high = gpiod_get_value(cec->hpd_gpio);
-
-	if (is_high == cec->hpd_is_high)
-		return IRQ_HANDLED;
-	cec->hpd_ts = ktime_get();
-	cec->hpd_is_high = is_high;
-	return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t cec_gpio_irq_handler(int irq, void *priv)
-{
-	struct cec_gpio *cec = priv;
-
-	cec_pin_changed(cec->adap, gpiod_get_value(cec->cec_gpio));
-	return IRQ_HANDLED;
-}
-
-static bool cec_gpio_enable_irq(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	enable_irq(cec->cec_irq);
-	return true;
-}
-
-static void cec_gpio_disable_irq(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	disable_irq(cec->cec_irq);
-}
-
-static void cec_gpio_status(struct cec_adapter *adap, struct seq_file *file)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	seq_printf(file, "mode: %s\n", cec->cec_is_low ? "low-drive" : "read");
-	seq_printf(file, "using irq: %d\n", cec->cec_irq);
-	if (cec->hpd_gpio)
-		seq_printf(file, "hpd: %s\n",
-			   cec->hpd_is_high ? "high" : "low");
-	if (cec->v5_gpio)
-		seq_printf(file, "5V: %s\n",
-			   cec->v5_is_high ? "high" : "low");
-}
-
-static int cec_gpio_read_hpd(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	if (!cec->hpd_gpio)
-		return -ENOTTY;
-	return gpiod_get_value(cec->hpd_gpio);
-}
-
-static int cec_gpio_read_5v(struct cec_adapter *adap)
-{
-	struct cec_gpio *cec = cec_get_drvdata(adap);
-
-	if (!cec->v5_gpio)
-		return -ENOTTY;
-	return gpiod_get_value(cec->v5_gpio);
-}
-
-static void cec_gpio_free(struct cec_adapter *adap)
-{
-	cec_gpio_disable_irq(adap);
-}
-
-static const struct cec_pin_ops cec_gpio_pin_ops = {
-	.read = cec_gpio_read,
-	.low = cec_gpio_low,
-	.high = cec_gpio_high,
-	.enable_irq = cec_gpio_enable_irq,
-	.disable_irq = cec_gpio_disable_irq,
-	.status = cec_gpio_status,
-	.free = cec_gpio_free,
-	.read_hpd = cec_gpio_read_hpd,
-	.read_5v = cec_gpio_read_5v,
-};
-
-static int cec_gpio_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device *hdmi_dev;
-	struct cec_gpio *cec;
-	u32 caps = CEC_CAP_DEFAULTS | CEC_CAP_MONITOR_ALL | CEC_CAP_MONITOR_PIN;
-	int ret;
-
-	hdmi_dev = cec_notifier_parse_hdmi_phandle(dev);
-	if (PTR_ERR(hdmi_dev) == -EPROBE_DEFER)
-		return PTR_ERR(hdmi_dev);
-	if (IS_ERR(hdmi_dev))
-		caps |= CEC_CAP_PHYS_ADDR;
-
-	cec = devm_kzalloc(dev, sizeof(*cec), GFP_KERNEL);
-	if (!cec)
-		return -ENOMEM;
-
-	cec->dev = dev;
-
-	cec->cec_gpio = devm_gpiod_get(dev, "cec", GPIOD_OUT_HIGH_OPEN_DRAIN);
-	if (IS_ERR(cec->cec_gpio))
-		return PTR_ERR(cec->cec_gpio);
-	cec->cec_irq = gpiod_to_irq(cec->cec_gpio);
-
-	cec->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN);
-	if (IS_ERR(cec->hpd_gpio))
-		return PTR_ERR(cec->hpd_gpio);
-
-	cec->v5_gpio = devm_gpiod_get_optional(dev, "v5", GPIOD_IN);
-	if (IS_ERR(cec->v5_gpio))
-		return PTR_ERR(cec->v5_gpio);
-
-	cec->adap = cec_pin_allocate_adapter(&cec_gpio_pin_ops,
-					     cec, pdev->name, caps);
-	if (IS_ERR(cec->adap))
-		return PTR_ERR(cec->adap);
-
-	ret = devm_request_irq(dev, cec->cec_irq, cec_gpio_irq_handler,
-			       IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-			       cec->adap->name, cec);
-	if (ret)
-		goto del_adap;
-
-	cec_gpio_disable_irq(cec->adap);
-
-	if (cec->hpd_gpio) {
-		cec->hpd_irq = gpiod_to_irq(cec->hpd_gpio);
-		ret = devm_request_threaded_irq(dev, cec->hpd_irq,
-			cec_hpd_gpio_irq_handler,
-			cec_hpd_gpio_irq_handler_thread,
-			IRQF_ONESHOT |
-			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
-			"hpd-gpio", cec);
-		if (ret)
-			goto del_adap;
-	}
-
-	if (cec->v5_gpio) {
-		cec->v5_irq = gpiod_to_irq(cec->v5_gpio);
-		ret = devm_request_threaded_irq(dev, cec->v5_irq,
-			cec_5v_gpio_irq_handler,
-			cec_5v_gpio_irq_handler_thread,
-			IRQF_ONESHOT |
-			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
-			"v5-gpio", cec);
-		if (ret)
-			goto del_adap;
-	}
-
-	if (!IS_ERR(hdmi_dev)) {
-		cec->notifier = cec_notifier_cec_adap_register(hdmi_dev, NULL,
-							       cec->adap);
-		if (!cec->notifier) {
-			ret = -ENOMEM;
-			goto del_adap;
-		}
-	}
-
-	ret = cec_register_adapter(cec->adap, &pdev->dev);
-	if (ret)
-		goto unreg_notifier;
-
-	platform_set_drvdata(pdev, cec);
-	return 0;
-
-unreg_notifier:
-	cec_notifier_cec_adap_unregister(cec->notifier, cec->adap);
-del_adap:
-	cec_delete_adapter(cec->adap);
-	return ret;
-}
-
-static int cec_gpio_remove(struct platform_device *pdev)
-{
-	struct cec_gpio *cec = platform_get_drvdata(pdev);
-
-	cec_notifier_cec_adap_unregister(cec->notifier, cec->adap);
-	cec_unregister_adapter(cec->adap);
-	return 0;
-}
-
-static const struct of_device_id cec_gpio_match[] = {
-	{
-		.compatible	= "cec-gpio",
-	},
-	{},
-};
-MODULE_DEVICE_TABLE(of, cec_gpio_match);
-
-static struct platform_driver cec_gpio_pdrv = {
-	.probe	= cec_gpio_probe,
-	.remove = cec_gpio_remove,
-	.driver = {
-		.name		= "cec-gpio",
-		.of_match_table	= cec_gpio_match,
-	},
-};
-
-module_platform_driver(cec_gpio_pdrv);
-
-MODULE_AUTHOR("Hans Verkuil <[email protected]>");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("CEC GPIO driver");