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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 20:18:17 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 20:18:17 (GMT) |
commit | 12e55508921865aefdd80fd17afe70c191afbd1b (patch) | |
tree | 476b3226fd9602b36bed0934409959bdd24a7eb5 /drivers/staging/omapdrm/omap_encoder.c | |
parent | 55b81e6f2795484ea8edf5805c95c007cacfa736 (diff) | |
parent | 4d447c9a6ebc0142d320f075c5bac6d202a79fd4 (diff) | |
download | linux-fsl-qoriq-12e55508921865aefdd80fd17afe70c191afbd1b.tar.xz |
Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
* 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (466 commits)
net/hyperv: Add support for jumbo frame up to 64KB
net/hyperv: Add NETVSP protocol version negotiation
net/hyperv: Remove unnecessary kmap_atomic in netvsc driver
staging/rtl8192e: Register against lib80211
staging/rtl8192e: Convert to lib80211_crypt_info
staging/rtl8192e: Convert to lib80211_crypt_data and lib80211_crypt_ops
staging/rtl8192e: Add lib80211.h to rtllib.h
staging/mei: add watchdog device registration wrappers
drm/omap: GEM, deal with cache
staging: vt6656: int.c, int.h: Change return of function to void
staging: usbip: removed unused definitions from header
staging: usbip: removed dead code from receive function
staging:iio: Drop {mark,unmark}_in_use callbacks
staging:iio: Drop buffer mark_param_change callback
staging:iio: Drop the unused buffer enable() and is_enabled() callbacks
staging:iio: Drop buffer busy flag
staging:iio: Make sure a device is only opened once at a time
staging:iio: Disallow modifying buffer size when buffer is enabled
staging:iio: Disallow changing scan elements in all buffered modes
staging:iio: Use iio_buffer_enabled instead of open coding it
...
Fix up conflict in drivers/staging/iio/adc/ad799x_core.c (removal of
module_init due to using module_i2c_driver() helper, next to removal of
MODULE_ALIAS due to using MODULE_DEVICE_TABLE instead).
Diffstat (limited to 'drivers/staging/omapdrm/omap_encoder.c')
-rw-r--r-- | drivers/staging/omapdrm/omap_encoder.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/drivers/staging/omapdrm/omap_encoder.c b/drivers/staging/omapdrm/omap_encoder.c new file mode 100644 index 0000000..06c52cb --- /dev/null +++ b/drivers/staging/omapdrm/omap_encoder.c @@ -0,0 +1,171 @@ +/* + * 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) { + omap_encoder_destroy(encoder); + } + + return NULL; +} |