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
  16 struct 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
  24 static int tvc_connect(struct omap_dss_device *src,
  25                        struct omap_dss_device *dst)
  26 {
  27         return 0;
  28 }
  29
  30 static void tvc_disconnect(struct omap_dss_device *src,
  31                            struct omap_dss_device *dst)
  32 {
  33 }
  34
  35 static const struct omap_dss_device_ops tvc_ops = {
  36         .connect                = tvc_connect,
  37         .disconnect             = tvc_disconnect,
  38 };
  39
  40 static 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
  66 static 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
  75 static const struct of_device_id tvc_of_match[] = {
  76         { .compatible = "omapdss,svideo-connector", },
  77         { .compatible = "omapdss,composite-video-connector", },
  78         {},
  79 };
  80
  81 MODULE_DEVICE_TABLE(of, tvc_of_match);
  82
  83 static 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
  93 module_platform_driver(tvc_connector_driver);
  94
  95 MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
  96 MODULE_DESCRIPTION("Analog TV Connector driver");
  97 MODULE_LICENSE("GPL");