projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 28 | static int rcar_du_vga_connector_mode_valid(struct drm_connector *connector, | |
| 29 | struct drm_display_mode *mode) | |
| 30 | { | |
| 31 | return MODE_OK; | |
| 32 | } | |
| 33 | ||
| 34 | static const struct drm_connector_helper_funcs connector_helper_funcs = { | |
| 35 | .get_modes = rcar_du_vga_connector_get_modes, | |
| 36 | .mode_valid = rcar_du_vga_connector_mode_valid, | |
| 37 | .best_encoder = rcar_du_connector_best_encoder, | |
| 38 | }; | |
| 39 | ||
| 40 | static void rcar_du_vga_connector_destroy(struct drm_connector *connector) | |
| 41 | { | |
| 42 | drm_sysfs_connector_remove(connector); | |
| 43 | drm_connector_cleanup(connector); | |
| 44 | } | |
| 45 | ||
| 46 | static enum drm_connector_status | |
| 47 | rcar_du_vga_connector_detect(struct drm_connector *connector, bool force) | |
| 48 | { | |
| 3864c6f4 | 49 | return connector_status_connected; |
| 9e8be272 LP |
50 | } |
| 51 | ||
| 52 | static const struct drm_connector_funcs connector_funcs = { | |
| 53 | .dpms = drm_helper_connector_dpms, | |
| 54 | .detect = rcar_du_vga_connector_detect, | |
| 55 | .fill_modes = drm_helper_probe_single_connector_modes, | |
| 56 | .destroy = rcar_du_vga_connector_destroy, | |
| 57 | }; | |
| 58 | ||
| 59 | int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, | |
| 60 | struct rcar_du_encoder *renc) | |
| 61 | { | |
| 62 | struct rcar_du_connector *rcon; | |
| 63 | struct drm_connector *connector; | |
| 64 | int ret; | |
| 65 | ||
| 66 | rcon = devm_kzalloc(rcdu->dev, sizeof(*rcon), GFP_KERNEL); | |
| 67 | if (rcon == NULL) | |
| 68 | return -ENOMEM; | |
| 69 | ||
| 70 | connector = &rcon->connector; | |
| 71 | connector->display_info.width_mm = 0; | |
| 72 | connector->display_info.height_mm = 0; | |
| 73 | ||
| 74 | ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, | |
| 75 | DRM_MODE_CONNECTOR_VGA); | |
| 76 | if (ret < 0) | |
| 77 | return ret; | |
| 78 | ||
| 79 | drm_connector_helper_add(connector, &connector_helper_funcs); | |
| 80 | ret = drm_sysfs_connector_add(connector); | |
| 81 | if (ret < 0) | |
| 82 | return ret; | |
| 83 | ||
| 84 | drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); | |
| 85 | drm_object_property_set_value(&connector->base, | |
| 86 | rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); | |
| 87 | ||
| 88 | ret = drm_mode_connector_attach_encoder(connector, &renc->encoder); | |
| 89 | if (ret < 0) | |
| 90 | return ret; | |
| 91 | ||
| 92 | connector->encoder = &renc->encoder; | |
| 93 | rcon->encoder = renc; | |
| 94 | ||
| 95 | return 0; | |
| 96 | } |