| /* |
| * drivers/staging/omapdrm/omap_encoder.c |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * Author: Rob Clark <rob@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "omap_drv.h" |
| |
| #include "drm_crtc.h" |
| #include "drm_crtc_helper.h" |
| |
| /* |
| * encoder funcs |
| */ |
| |
| #define to_omap_encoder(x) container_of(x, struct omap_encoder, base) |
| |
| struct omap_encoder { |
| struct drm_encoder base; |
| struct omap_overlay_manager *mgr; |
| }; |
| |
| static void omap_encoder_destroy(struct drm_encoder *encoder) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| DBG("%s", omap_encoder->mgr->name); |
| drm_encoder_cleanup(encoder); |
| kfree(omap_encoder); |
| } |
| |
| static void omap_encoder_dpms(struct drm_encoder *encoder, int mode) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| DBG("%s: %d", omap_encoder->mgr->name, mode); |
| } |
| |
| static bool omap_encoder_mode_fixup(struct drm_encoder *encoder, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| DBG("%s", omap_encoder->mgr->name); |
| return true; |
| } |
| |
| static void omap_encoder_mode_set(struct drm_encoder *encoder, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| struct drm_device *dev = encoder->dev; |
| struct omap_drm_private *priv = dev->dev_private; |
| int i; |
| |
| mode = adjusted_mode; |
| |
| DBG("%s: set mode: %dx%d", omap_encoder->mgr->name, |
| mode->hdisplay, mode->vdisplay); |
| |
| for (i = 0; i < priv->num_connectors; i++) { |
| struct drm_connector *connector = priv->connectors[i]; |
| if (connector->encoder == encoder) { |
| omap_connector_mode_set(connector, mode); |
| } |
| } |
| } |
| |
| static void omap_encoder_prepare(struct drm_encoder *encoder) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| struct drm_encoder_helper_funcs *encoder_funcs = |
| encoder->helper_private; |
| DBG("%s", omap_encoder->mgr->name); |
| encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); |
| } |
| |
| static void omap_encoder_commit(struct drm_encoder *encoder) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| struct drm_encoder_helper_funcs *encoder_funcs = |
| encoder->helper_private; |
| DBG("%s", omap_encoder->mgr->name); |
| omap_encoder->mgr->apply(omap_encoder->mgr); |
| encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); |
| } |
| |
| static const struct drm_encoder_funcs omap_encoder_funcs = { |
| .destroy = omap_encoder_destroy, |
| }; |
| |
| static const struct drm_encoder_helper_funcs omap_encoder_helper_funcs = { |
| .dpms = omap_encoder_dpms, |
| .mode_fixup = omap_encoder_mode_fixup, |
| .mode_set = omap_encoder_mode_set, |
| .prepare = omap_encoder_prepare, |
| .commit = omap_encoder_commit, |
| }; |
| |
| struct omap_overlay_manager *omap_encoder_get_manager( |
| struct drm_encoder *encoder) |
| { |
| struct omap_encoder *omap_encoder = to_omap_encoder(encoder); |
| return omap_encoder->mgr; |
| } |
| |
| /* initialize encoder */ |
| struct drm_encoder *omap_encoder_init(struct drm_device *dev, |
| struct omap_overlay_manager *mgr) |
| { |
| struct drm_encoder *encoder = NULL; |
| struct omap_encoder *omap_encoder; |
| struct omap_overlay_manager_info info; |
| int ret; |
| |
| DBG("%s", mgr->name); |
| |
| omap_encoder = kzalloc(sizeof(*omap_encoder), GFP_KERNEL); |
| if (!omap_encoder) { |
| dev_err(dev->dev, "could not allocate encoder\n"); |
| goto fail; |
| } |
| |
| omap_encoder->mgr = mgr; |
| encoder = &omap_encoder->base; |
| |
| drm_encoder_init(dev, encoder, &omap_encoder_funcs, |
| DRM_MODE_ENCODER_TMDS); |
| drm_encoder_helper_add(encoder, &omap_encoder_helper_funcs); |
| |
| mgr->get_manager_info(mgr, &info); |
| |
| /* TODO: fix hard-coded setup.. */ |
| info.default_color = 0x00000000; |
| info.trans_key = 0x00000000; |
| info.trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST; |
| info.trans_enabled = false; |
| |
| ret = mgr->set_manager_info(mgr, &info); |
| if (ret) { |
| dev_err(dev->dev, "could not set manager info\n"); |
| goto fail; |
| } |
| |
| ret = mgr->apply(mgr); |
| if (ret) { |
| dev_err(dev->dev, "could not apply\n"); |
| goto fail; |
| } |
| |
| return encoder; |
| |
| fail: |
| if (encoder) { |
| drm_encoder_cleanup(encoder); |
| kfree(omap_encoder); |
| } |
| |
| return NULL; |
| } |