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9e8be272 LP |
1 | /* |
2 | * rcar_du_vgacon.c -- R-Car Display Unit VGA Connector | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Corporation | |
5 | * | |
6 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #include <drm/drmP.h> | |
15 | #include <drm/drm_crtc.h> | |
16 | #include <drm/drm_crtc_helper.h> | |
17 | ||
18 | #include "rcar_du_drv.h" | |
6978f123 | 19 | #include "rcar_du_encoder.h" |
9e8be272 LP |
20 | #include "rcar_du_kms.h" |
21 | #include "rcar_du_vgacon.h" | |
22 | ||
23 | static int rcar_du_vga_connector_get_modes(struct drm_connector *connector) | |
24 | { | |
25 | return 0; | |
26 | } | |
27 | ||
9e8be272 LP |
28 | static const struct drm_connector_helper_funcs connector_helper_funcs = { |
29 | .get_modes = rcar_du_vga_connector_get_modes, | |
9e8be272 LP |
30 | .best_encoder = rcar_du_connector_best_encoder, |
31 | }; | |
32 | ||
33 | static void rcar_du_vga_connector_destroy(struct drm_connector *connector) | |
34 | { | |
34ea3d38 | 35 | drm_connector_unregister(connector); |
9e8be272 LP |
36 | drm_connector_cleanup(connector); |
37 | } | |
38 | ||
39 | static enum drm_connector_status | |
40 | rcar_du_vga_connector_detect(struct drm_connector *connector, bool force) | |
41 | { | |
3864c6f4 | 42 | return connector_status_connected; |
9e8be272 LP |
43 | } |
44 | ||
45 | static const struct drm_connector_funcs connector_funcs = { | |
46 | .dpms = drm_helper_connector_dpms, | |
47 | .detect = rcar_du_vga_connector_detect, | |
48 | .fill_modes = drm_helper_probe_single_connector_modes, | |
49 | .destroy = rcar_du_vga_connector_destroy, | |
50 | }; | |
51 | ||
52 | int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, | |
53 | struct rcar_du_encoder *renc) | |
54 | { | |
55 | struct rcar_du_connector *rcon; | |
56 | struct drm_connector *connector; | |
57 | int ret; | |
58 | ||
59 | rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL); | |
60 | if (rcon == NULL) | |
61 | return -ENOMEM; | |
62 | ||
63 | connector = &rcon->connector; | |
64 | connector->display_info.width_mm = 0; | |
65 | connector->display_info.height_mm = 0; | |
66 | ||
67 | ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, | |
68 | DRM_MODE_CONNECTOR_VGA); | |
69 | if (ret < 0) | |
70 | return ret; | |
71 | ||
72 | drm_connector_helper_add(connector, &connector_helper_funcs); | |
34ea3d38 | 73 | ret = drm_connector_register(connector); |
9e8be272 LP |
74 | if (ret < 0) |
75 | return ret; | |
76 | ||
77 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
78 | drm_object_property_set_value(&connector->base, | |
79 | rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); | |
80 | ||
81 | ret = drm_mode_connector_attach_encoder(connector, &renc->encoder); | |
82 | if (ret < 0) | |
83 | return ret; | |
84 | ||
85 | connector->encoder = &renc->encoder; | |
86 | rcon->encoder = renc; | |
87 | ||
88 | return 0; | |
89 | } |