LXR linux/drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Analog TV Connector driver
   4 *
   5 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   6 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
   7 */
   8
   9#include <linux/slab.h>
  10#include <linux/module.h>
  11#include <linux/platform_device.h>
  12#include <linux/of.h>
  13
  14#include "../dss/omapdss.h"
  15
  16struct panel_drv_data {
  17        struct omap_dss_device dssdev;
  18
  19        struct device *dev;
  20};
  21
  22#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
  23
  24static int tvc_connect(struct omap_dss_device *src,
  25                       struct omap_dss_device *dst)
  26{
  27        return 0;
  28}
  29
  30static void tvc_disconnect(struct omap_dss_device *src,
  31                           struct omap_dss_device *dst)
  32{
  33}
  34
  35static const struct omap_dss_device_ops tvc_ops = {
  36        .connect                = tvc_connect,
  37        .disconnect             = tvc_disconnect,
  38};
  39
  40static int tvc_probe(struct platform_device *pdev)
  41{
  42        struct panel_drv_data *ddata;
  43        struct omap_dss_device *dssdev;
  44
  45        ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
  46        if (!ddata)
  47                return -ENOMEM;
  48
  49        platform_set_drvdata(pdev, ddata);
  50        ddata->dev = &pdev->dev;
  51
  52        dssdev = &ddata->dssdev;
  53        dssdev->ops = &tvc_ops;
  54        dssdev->dev = &pdev->dev;
  55        dssdev->type = OMAP_DISPLAY_TYPE_VENC;
  56        dssdev->display = true;
  57        dssdev->owner = THIS_MODULE;
  58        dssdev->of_ports = BIT(0);
  59
  60        omapdss_display_init(dssdev);
  61        omapdss_device_register(dssdev);
  62
  63        return 0;
  64}
  65
  66static int __exit tvc_remove(struct platform_device *pdev)
  67{
  68        struct panel_drv_data *ddata = platform_get_drvdata(pdev);
  69
  70        omapdss_device_unregister(&ddata->dssdev);
  71
  72        return 0;
  73}
  74
  75static const struct of_device_id tvc_of_match[] = {
  76        { .compatible = "omapdss,svideo-connector", },
  77        { .compatible = "omapdss,composite-video-connector", },
  78        {},
  79};
  80
  81MODULE_DEVICE_TABLE(of, tvc_of_match);
  82
  83static struct platform_driver tvc_connector_driver = {
  84        .probe  = tvc_probe,
  85        .remove = __exit_p(tvc_remove),
  86        .driver = {
  87                .name   = "connector-analog-tv",
  88                .of_match_table = tvc_of_match,
  89                .suppress_bind_attrs = true,
  90        },
  91};
  92
  93module_platform_driver(tvc_connector_driver);
  94
  95MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
  96MODULE_DESCRIPTION("Analog TV Connector driver");
  97MODULE_LICENSE("GPL");
  98