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 
tvc_connect(struct omap_dss_device * src,struct omap_dss_device * dst)24 static int tvc_connect(struct omap_dss_device *src,
25 		       struct omap_dss_device *dst)
26 {
27 	return 0;
28 }
29 
tvc_disconnect(struct omap_dss_device * src,struct omap_dss_device * dst)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 
tvc_probe(struct platform_device * pdev)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 
tvc_remove(struct platform_device * pdev)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");
98