diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_lvds.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c b/drivers/gpu/drm/rcar-du/rcar_du_lvds.c deleted file mode 100644 index 7aefe7267e1..00000000000 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvds.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * rcar_du_lvds.c -- R-Car Display Unit LVDS Encoder and Connector - * - * Copyright (C) 2013 Renesas Corporation - * - * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <drm/drmP.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> - -#include "rcar_du_drv.h" -#include "rcar_du_kms.h" -#include "rcar_du_lvds.h" - -struct rcar_du_lvds_connector { - struct rcar_du_connector connector; - - const struct rcar_du_panel_data *panel; -}; - -#define to_rcar_lvds_connector(c) \ - container_of(c, struct rcar_du_lvds_connector, connector.connector) - -/* ----------------------------------------------------------------------------- - * Connector - */ - -static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector) -{ - struct rcar_du_lvds_connector *lvdscon = to_rcar_lvds_connector(connector); - struct drm_display_mode *mode; - - mode = drm_mode_create(connector->dev); - if (mode == NULL) - return 0; - - mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; - mode->clock = lvdscon->panel->mode.clock; - mode->hdisplay = lvdscon->panel->mode.hdisplay; - mode->hsync_start = lvdscon->panel->mode.hsync_start; - mode->hsync_end = lvdscon->panel->mode.hsync_end; - mode->htotal = lvdscon->panel->mode.htotal; - mode->vdisplay = lvdscon->panel->mode.vdisplay; - mode->vsync_start = lvdscon->panel->mode.vsync_start; - mode->vsync_end = lvdscon->panel->mode.vsync_end; - mode->vtotal = lvdscon->panel->mode.vtotal; - mode->flags = lvdscon->panel->mode.flags; - - drm_mode_set_name(mode); - drm_mode_probed_add(connector, mode); - - return 1; -} - -static int rcar_du_lvds_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - return MODE_OK; -} - -static const struct drm_connector_helper_funcs connector_helper_funcs = { - .get_modes = rcar_du_lvds_connector_get_modes, - .mode_valid = rcar_du_lvds_connector_mode_valid, - .best_encoder = rcar_du_connector_best_encoder, -}; - -static void rcar_du_lvds_connector_destroy(struct drm_connector *connector) -{ - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); -} - -static enum drm_connector_status -rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - -static const struct drm_connector_funcs connector_funcs = { - .dpms = drm_helper_connector_dpms, - .detect = rcar_du_lvds_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = rcar_du_lvds_connector_destroy, -}; - -static int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu, - struct rcar_du_encoder *renc, - const struct rcar_du_panel_data *panel) -{ - struct rcar_du_lvds_connector *lvdscon; - struct drm_connector *connector; - int ret; - - lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL); - if (lvdscon == NULL) - return -ENOMEM; - - lvdscon->panel = panel; - - connector = &lvdscon->connector.connector; - connector->display_info.width_mm = panel->width_mm; - connector->display_info.height_mm = panel->height_mm; - - ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - if (ret < 0) - return ret; - - drm_connector_helper_add(connector, &connector_helper_funcs); - ret = drm_sysfs_connector_add(connector); - if (ret < 0) - return ret; - - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); - drm_object_property_set_value(&connector->base, - rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF); - - ret = drm_mode_connector_attach_encoder(connector, &renc->encoder); - if (ret < 0) - return ret; - - connector->encoder = &renc->encoder; - lvdscon->connector.encoder = renc; - - return 0; -} - -/* ----------------------------------------------------------------------------- - * Encoder - */ - -static void rcar_du_lvds_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - -static bool rcar_du_lvds_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - const struct drm_display_mode *panel_mode; - struct drm_device *dev = encoder->dev; - struct drm_connector *connector; - bool found = false; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - found = true; - break; - } - } - - if (!found) { - dev_dbg(dev->dev, "mode_fixup: no connector found\n"); - return false; - } - - if (list_empty(&connector->modes)) { - dev_dbg(dev->dev, "mode_fixup: empty modes list\n"); - return false; - } - - panel_mode = list_first_entry(&connector->modes, - struct drm_display_mode, head); - - /* We're not allowed to modify the resolution. */ - if (mode->hdisplay != panel_mode->hdisplay || - mode->vdisplay != panel_mode->vdisplay) - return false; - - /* The flat panel mode is fixed, just copy it to the adjusted mode. */ - drm_mode_copy(adjusted_mode, panel_mode); - - return true; -} - -static const struct drm_encoder_helper_funcs encoder_helper_funcs = { - .dpms = rcar_du_lvds_encoder_dpms, - .mode_fixup = rcar_du_lvds_encoder_mode_fixup, - .prepare = rcar_du_encoder_mode_prepare, - .commit = rcar_du_encoder_mode_commit, - .mode_set = rcar_du_encoder_mode_set, -}; - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -int rcar_du_lvds_init(struct rcar_du_device *rcdu, - const struct rcar_du_encoder_lvds_data *data, - unsigned int output) -{ - struct rcar_du_encoder *renc; - int ret; - - renc = devm_kzalloc(rcdu->dev, sizeof(*renc), GFP_KERNEL); - if (renc == NULL) - return -ENOMEM; - - renc->output = output; - - ret = drm_encoder_init(rcdu->ddev, &renc->encoder, &encoder_funcs, - DRM_MODE_ENCODER_LVDS); - if (ret < 0) - return ret; - - drm_encoder_helper_add(&renc->encoder, &encoder_helper_funcs); - - return rcar_du_lvds_connector_init(rcdu, renc, &data->panel); -} |