diff options
Diffstat (limited to 'drivers/staging/omapdrm/omap_encoder.c')
| -rw-r--r-- | drivers/staging/omapdrm/omap_encoder.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/drivers/staging/omapdrm/omap_encoder.c b/drivers/staging/omapdrm/omap_encoder.c deleted file mode 100644 index e053160d2db3..000000000000 --- a/drivers/staging/omapdrm/omap_encoder.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * 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" - -#include <linux/list.h> - - -/* - * encoder funcs - */ - -#define to_omap_encoder(x) container_of(x, struct omap_encoder, base) - -/* The encoder and connector both map to same dssdev.. the encoder - * handles the 'active' parts, ie. anything the modifies the state - * of the hw, and the connector handles the 'read-only' parts, like - * detecting connection and reading edid. - */ -struct omap_encoder { - struct drm_encoder base; - struct omap_dss_device *dssdev; -}; - -static void omap_encoder_destroy(struct drm_encoder *encoder) -{ - struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - drm_encoder_cleanup(encoder); - kfree(omap_encoder); -} - -static const struct drm_encoder_funcs omap_encoder_funcs = { - .destroy = omap_encoder_destroy, -}; - -/* - * The CRTC drm_crtc_helper_set_mode() doesn't really give us the right - * order.. the easiest way to work around this for now is to make all - * the encoder-helper's no-op's and have the omap_crtc code take care - * of the sequencing and call us in the right points. - * - * Eventually to handle connecting CRTCs to different encoders properly, - * either the CRTC helpers need to change or we need to replace - * drm_crtc_helper_set_mode(), but lets wait until atomic-modeset for - * that. - */ - -static void omap_encoder_dpms(struct drm_encoder *encoder, int mode) -{ -} - -static bool omap_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static void omap_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ -} - -static void omap_encoder_prepare(struct drm_encoder *encoder) -{ -} - -static void omap_encoder_commit(struct drm_encoder *encoder) -{ -} - -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, -}; - -/* - * Instead of relying on the helpers for modeset, the omap_crtc code - * calls these functions in the proper sequence. - */ - -int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled) -{ - struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - - if (enabled) { - return dssdrv->enable(dssdev); - } else { - dssdrv->disable(dssdev); - return 0; - } -} - -int omap_encoder_update(struct drm_encoder *encoder, - struct omap_overlay_manager *mgr, - struct omap_video_timings *timings) -{ - struct drm_device *dev = encoder->dev; - struct omap_encoder *omap_encoder = to_omap_encoder(encoder); - struct omap_dss_device *dssdev = omap_encoder->dssdev; - struct omap_dss_driver *dssdrv = dssdev->driver; - int ret; - - dssdev->output->manager = mgr; - - ret = dssdrv->check_timings(dssdev, timings); - if (ret) { - dev_err(dev->dev, "could not set timings: %d\n", ret); - return ret; - } - - dssdrv->set_timings(dssdev, timings); - - return 0; -} - -/* initialize encoder */ -struct drm_encoder *omap_encoder_init(struct drm_device *dev, - struct omap_dss_device *dssdev) -{ - struct drm_encoder *encoder = NULL; - struct omap_encoder *omap_encoder; - - omap_encoder = kzalloc(sizeof(*omap_encoder), GFP_KERNEL); - if (!omap_encoder) { - dev_err(dev->dev, "could not allocate encoder\n"); - goto fail; - } - - omap_encoder->dssdev = dssdev; - - 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); - - return encoder; - -fail: - if (encoder) - omap_encoder_destroy(encoder); - - return NULL; -} |