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path: root/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/connector-hdmi.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/connector-hdmi.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
deleted file mode 100644
index f5d69d810bb8..000000000000
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ /dev/null
@@ -1,183 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * HDMI Connector driver
- *
- * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
- void *hpd_cb_data;
- struct mutex hpd_lock;
-
- struct device *dev;
-
- struct gpio_desc *hpd_gpio;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int hdmic_connect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void hdmic_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static bool hdmic_detect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return gpiod_get_value_cansleep(ddata->hpd_gpio);
-}
-
-static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev,
- void (*cb)(void *cb_data,
- enum drm_connector_status status),
- void *cb_data)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = cb;
- ddata->hpd_cb_data = cb_data;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- mutex_lock(&ddata->hpd_lock);
- ddata->hpd_cb = NULL;
- ddata->hpd_cb_data = NULL;
- mutex_unlock(&ddata->hpd_lock);
-}
-
-static const struct omap_dss_device_ops hdmic_ops = {
- .connect = hdmic_connect,
- .disconnect = hdmic_disconnect,
-
- .detect = hdmic_detect,
- .register_hpd_cb = hdmic_register_hpd_cb,
- .unregister_hpd_cb = hdmic_unregister_hpd_cb,
-};
-
-static irqreturn_t hdmic_hpd_isr(int irq, void *data)
-{
- struct panel_drv_data *ddata = data;
-
- mutex_lock(&ddata->hpd_lock);
- if (ddata->hpd_cb) {
- enum drm_connector_status status;
-
- if (hdmic_detect(&ddata->dssdev))
- status = connector_status_connected;
- else
- status = connector_status_disconnected;
-
- ddata->hpd_cb(ddata->hpd_cb_data, status);
- }
- mutex_unlock(&ddata->hpd_lock);
-
- return IRQ_HANDLED;
-}
-
-static int hdmic_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
- int r;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
- ddata->dev = &pdev->dev;
-
- mutex_init(&ddata->hpd_lock);
-
- /* HPD GPIO */
- gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
- if (IS_ERR(gpio)) {
- dev_err(&pdev->dev, "failed to parse HPD gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->hpd_gpio = gpio;
-
- if (ddata->hpd_gpio) {
- r = devm_request_threaded_irq(&pdev->dev,
- gpiod_to_irq(ddata->hpd_gpio),
- NULL, hdmic_hpd_isr,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_ONESHOT,
- "hdmic hpd", ddata);
- if (r)
- return r;
- }
-
- dssdev = &ddata->dssdev;
- dssdev->ops = &hdmic_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = ddata->hpd_gpio
- ? OMAP_DSS_DEVICE_OP_DETECT | OMAP_DSS_DEVICE_OP_HPD
- : 0;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-static int __exit hdmic_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
-
- omapdss_device_unregister(&ddata->dssdev);
-
- return 0;
-}
-
-static const struct of_device_id hdmic_of_match[] = {
- { .compatible = "omapdss,hdmi-connector", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, hdmic_of_match);
-
-static struct platform_driver hdmi_connector_driver = {
- .probe = hdmic_probe,
- .remove = __exit_p(hdmic_remove),
- .driver = {
- .name = "connector-hdmi",
- .of_match_table = hdmic_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(hdmi_connector_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("HDMI Connector driver");
-MODULE_LICENSE("GPL");