| /* |
| * drivers/gpu/drm/omapdrm/omap_crtc.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/drm_mode.h> |
| #include <drm/drm_plane_helper.h> |
| #include "drm_crtc.h" |
| #include "drm_crtc_helper.h" |
| |
| #define to_omap_crtc(x) container_of(x, struct omap_crtc, base) |
| |
| struct omap_crtc { |
| struct drm_crtc base; |
| struct drm_plane *plane; |
| |
| const char *name; |
| int pipe; |
| enum omap_channel channel; |
| struct omap_overlay_manager_info info; |
| struct drm_encoder *current_encoder; |
| |
| /* |
| * Temporary: eventually this will go away, but it is needed |
| * for now to keep the output's happy. (They only need |
| * mgr->id.) Eventually this will be replaced w/ something |
| * more common-panel-framework-y |
| */ |
| struct omap_overlay_manager *mgr; |
| |
| struct omap_video_timings timings; |
| bool enabled; |
| bool full_update; |
| |
| struct omap_drm_apply apply; |
| |
| struct omap_drm_irq apply_irq; |
| struct omap_drm_irq error_irq; |
| |
| /* list of in-progress apply's: */ |
| struct list_head pending_applies; |
| |
| /* list of queued apply's: */ |
| struct list_head queued_applies; |
| |
| /* for handling queued and in-progress applies: */ |
| struct work_struct apply_work; |
| |
| /* if there is a pending flip, these will be non-null: */ |
| struct drm_pending_vblank_event *event; |
| struct drm_framebuffer *old_fb; |
| |
| /* for handling page flips without caring about what |
| * the callback is called from. Possibly we should just |
| * make omap_gem always call the cb from the worker so |
| * we don't have to care about this.. |
| * |
| * XXX maybe fold into apply_work?? |
| */ |
| struct work_struct page_flip_work; |
| }; |
| |
| uint32_t pipe2vbl(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| |
| return dispc_mgr_get_vsync_irq(omap_crtc->channel); |
| } |
| |
| /* |
| * Manager-ops, callbacks from output when they need to configure |
| * the upstream part of the video pipe. |
| * |
| * Most of these we can ignore until we add support for command-mode |
| * panels.. for video-mode the crtc-helpers already do an adequate |
| * job of sequencing the setup of the video pipe in the proper order |
| */ |
| |
| /* ovl-mgr-id -> crtc */ |
| static struct omap_crtc *omap_crtcs[8]; |
| |
| /* we can probably ignore these until we support command-mode panels: */ |
| static int omap_crtc_connect(struct omap_overlay_manager *mgr, |
| struct omap_dss_device *dst) |
| { |
| if (mgr->output) |
| return -EINVAL; |
| |
| if ((mgr->supported_outputs & dst->id) == 0) |
| return -EINVAL; |
| |
| dst->manager = mgr; |
| mgr->output = dst; |
| |
| return 0; |
| } |
| |
| static void omap_crtc_disconnect(struct omap_overlay_manager *mgr, |
| struct omap_dss_device *dst) |
| { |
| mgr->output->manager = NULL; |
| mgr->output = NULL; |
| } |
| |
| static void omap_crtc_start_update(struct omap_overlay_manager *mgr) |
| { |
| } |
| |
| static void set_enabled(struct drm_crtc *crtc, bool enable); |
| |
| static int omap_crtc_enable(struct omap_overlay_manager *mgr) |
| { |
| struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; |
| |
| dispc_mgr_setup(omap_crtc->channel, &omap_crtc->info); |
| dispc_mgr_set_timings(omap_crtc->channel, |
| &omap_crtc->timings); |
| set_enabled(&omap_crtc->base, true); |
| |
| return 0; |
| } |
| |
| static void omap_crtc_disable(struct omap_overlay_manager *mgr) |
| { |
| struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; |
| |
| set_enabled(&omap_crtc->base, false); |
| } |
| |
| static void omap_crtc_set_timings(struct omap_overlay_manager *mgr, |
| const struct omap_video_timings *timings) |
| { |
| struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; |
| DBG("%s", omap_crtc->name); |
| omap_crtc->timings = *timings; |
| omap_crtc->full_update = true; |
| } |
| |
| static void omap_crtc_set_lcd_config(struct omap_overlay_manager *mgr, |
| const struct dss_lcd_mgr_config *config) |
| { |
| struct omap_crtc *omap_crtc = omap_crtcs[mgr->id]; |
| DBG("%s", omap_crtc->name); |
| dispc_mgr_set_lcd_config(omap_crtc->channel, config); |
| } |
| |
| static int omap_crtc_register_framedone_handler( |
| struct omap_overlay_manager *mgr, |
| void (*handler)(void *), void *data) |
| { |
| return 0; |
| } |
| |
| static void omap_crtc_unregister_framedone_handler( |
| struct omap_overlay_manager *mgr, |
| void (*handler)(void *), void *data) |
| { |
| } |
| |
| static const struct dss_mgr_ops mgr_ops = { |
| .connect = omap_crtc_connect, |
| .disconnect = omap_crtc_disconnect, |
| .start_update = omap_crtc_start_update, |
| .enable = omap_crtc_enable, |
| .disable = omap_crtc_disable, |
| .set_timings = omap_crtc_set_timings, |
| .set_lcd_config = omap_crtc_set_lcd_config, |
| .register_framedone_handler = omap_crtc_register_framedone_handler, |
| .unregister_framedone_handler = omap_crtc_unregister_framedone_handler, |
| }; |
| |
| /* |
| * CRTC funcs: |
| */ |
| |
| static void omap_crtc_destroy(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| |
| DBG("%s", omap_crtc->name); |
| |
| WARN_ON(omap_crtc->apply_irq.registered); |
| omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); |
| |
| drm_crtc_cleanup(crtc); |
| |
| kfree(omap_crtc); |
| } |
| |
| static void omap_crtc_dpms(struct drm_crtc *crtc, int mode) |
| { |
| struct omap_drm_private *priv = crtc->dev->dev_private; |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| bool enabled = (mode == DRM_MODE_DPMS_ON); |
| int i; |
| |
| DBG("%s: %d", omap_crtc->name, mode); |
| |
| if (enabled != omap_crtc->enabled) { |
| omap_crtc->enabled = enabled; |
| omap_crtc->full_update = true; |
| omap_crtc_apply(crtc, &omap_crtc->apply); |
| |
| /* also enable our private plane: */ |
| WARN_ON(omap_plane_dpms(omap_crtc->plane, mode)); |
| |
| /* and any attached overlay planes: */ |
| for (i = 0; i < priv->num_planes; i++) { |
| struct drm_plane *plane = priv->planes[i]; |
| if (plane->crtc == crtc) |
| WARN_ON(omap_plane_dpms(plane, mode)); |
| } |
| } |
| } |
| |
| static bool omap_crtc_mode_fixup(struct drm_crtc *crtc, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| return true; |
| } |
| |
| static int omap_crtc_mode_set(struct drm_crtc *crtc, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode, |
| int x, int y, |
| struct drm_framebuffer *old_fb) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| |
| mode = adjusted_mode; |
| |
| DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", |
| omap_crtc->name, mode->base.id, mode->name, |
| mode->vrefresh, mode->clock, |
| mode->hdisplay, mode->hsync_start, |
| mode->hsync_end, mode->htotal, |
| mode->vdisplay, mode->vsync_start, |
| mode->vsync_end, mode->vtotal, |
| mode->type, mode->flags); |
| |
| copy_timings_drm_to_omap(&omap_crtc->timings, mode); |
| omap_crtc->full_update = true; |
| |
| return omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb, |
| 0, 0, mode->hdisplay, mode->vdisplay, |
| x << 16, y << 16, |
| mode->hdisplay << 16, mode->vdisplay << 16, |
| NULL, NULL); |
| } |
| |
| static void omap_crtc_prepare(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| DBG("%s", omap_crtc->name); |
| omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); |
| } |
| |
| static void omap_crtc_commit(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| DBG("%s", omap_crtc->name); |
| omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON); |
| } |
| |
| static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, |
| struct drm_framebuffer *old_fb) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| struct drm_plane *plane = omap_crtc->plane; |
| struct drm_display_mode *mode = &crtc->mode; |
| |
| return omap_plane_mode_set(plane, crtc, crtc->primary->fb, |
| 0, 0, mode->hdisplay, mode->vdisplay, |
| x << 16, y << 16, |
| mode->hdisplay << 16, mode->vdisplay << 16, |
| NULL, NULL); |
| } |
| |
| static void vblank_cb(void *arg) |
| { |
| struct drm_crtc *crtc = arg; |
| struct drm_device *dev = crtc->dev; |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| unsigned long flags; |
| |
| spin_lock_irqsave(&dev->event_lock, flags); |
| |
| /* wakeup userspace */ |
| if (omap_crtc->event) |
| drm_send_vblank_event(dev, omap_crtc->pipe, omap_crtc->event); |
| |
| omap_crtc->event = NULL; |
| omap_crtc->old_fb = NULL; |
| |
| spin_unlock_irqrestore(&dev->event_lock, flags); |
| } |
| |
| static void page_flip_worker(struct work_struct *work) |
| { |
| struct omap_crtc *omap_crtc = |
| container_of(work, struct omap_crtc, page_flip_work); |
| struct drm_crtc *crtc = &omap_crtc->base; |
| struct drm_display_mode *mode = &crtc->mode; |
| struct drm_gem_object *bo; |
| |
| drm_modeset_lock(&crtc->mutex, NULL); |
| omap_plane_mode_set(omap_crtc->plane, crtc, crtc->primary->fb, |
| 0, 0, mode->hdisplay, mode->vdisplay, |
| crtc->x << 16, crtc->y << 16, |
| mode->hdisplay << 16, mode->vdisplay << 16, |
| vblank_cb, crtc); |
| drm_modeset_unlock(&crtc->mutex); |
| |
| bo = omap_framebuffer_bo(crtc->primary->fb, 0); |
| drm_gem_object_unreference_unlocked(bo); |
| } |
| |
| static void page_flip_cb(void *arg) |
| { |
| struct drm_crtc *crtc = arg; |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| struct omap_drm_private *priv = crtc->dev->dev_private; |
| |
| /* avoid assumptions about what ctxt we are called from: */ |
| queue_work(priv->wq, &omap_crtc->page_flip_work); |
| } |
| |
| static int omap_crtc_page_flip_locked(struct drm_crtc *crtc, |
| struct drm_framebuffer *fb, |
| struct drm_pending_vblank_event *event, |
| uint32_t page_flip_flags) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| struct drm_plane *primary = crtc->primary; |
| struct drm_gem_object *bo; |
| unsigned long flags; |
| |
| DBG("%d -> %d (event=%p)", primary->fb ? primary->fb->base.id : -1, |
| fb->base.id, event); |
| |
| spin_lock_irqsave(&dev->event_lock, flags); |
| |
| if (omap_crtc->old_fb) { |
| spin_unlock_irqrestore(&dev->event_lock, flags); |
| dev_err(dev->dev, "already a pending flip\n"); |
| return -EINVAL; |
| } |
| |
| omap_crtc->event = event; |
| omap_crtc->old_fb = primary->fb = fb; |
| |
| spin_unlock_irqrestore(&dev->event_lock, flags); |
| |
| /* |
| * Hold a reference temporarily until the crtc is updated |
| * and takes the reference to the bo. This avoids it |
| * getting freed from under us: |
| */ |
| bo = omap_framebuffer_bo(fb, 0); |
| drm_gem_object_reference(bo); |
| |
| omap_gem_op_async(bo, OMAP_GEM_READ, page_flip_cb, crtc); |
| |
| return 0; |
| } |
| |
| static int omap_crtc_set_property(struct drm_crtc *crtc, |
| struct drm_property *property, uint64_t val) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| struct omap_drm_private *priv = crtc->dev->dev_private; |
| |
| if (property == priv->rotation_prop) { |
| crtc->invert_dimensions = |
| !!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270))); |
| } |
| |
| return omap_plane_set_property(omap_crtc->plane, property, val); |
| } |
| |
| static const struct drm_crtc_funcs omap_crtc_funcs = { |
| .set_config = drm_crtc_helper_set_config, |
| .destroy = omap_crtc_destroy, |
| .page_flip = omap_crtc_page_flip_locked, |
| .set_property = omap_crtc_set_property, |
| }; |
| |
| static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = { |
| .dpms = omap_crtc_dpms, |
| .mode_fixup = omap_crtc_mode_fixup, |
| .mode_set = omap_crtc_mode_set, |
| .prepare = omap_crtc_prepare, |
| .commit = omap_crtc_commit, |
| .mode_set_base = omap_crtc_mode_set_base, |
| }; |
| |
| const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| return &omap_crtc->timings; |
| } |
| |
| enum omap_channel omap_crtc_channel(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| return omap_crtc->channel; |
| } |
| |
| static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) |
| { |
| struct omap_crtc *omap_crtc = |
| container_of(irq, struct omap_crtc, error_irq); |
| struct drm_crtc *crtc = &omap_crtc->base; |
| DRM_ERROR("%s: errors: %08x\n", omap_crtc->name, irqstatus); |
| /* avoid getting in a flood, unregister the irq until next vblank */ |
| __omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); |
| } |
| |
| static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus) |
| { |
| struct omap_crtc *omap_crtc = |
| container_of(irq, struct omap_crtc, apply_irq); |
| struct drm_crtc *crtc = &omap_crtc->base; |
| |
| if (!omap_crtc->error_irq.registered) |
| __omap_irq_register(crtc->dev, &omap_crtc->error_irq); |
| |
| if (!dispc_mgr_go_busy(omap_crtc->channel)) { |
| struct omap_drm_private *priv = |
| crtc->dev->dev_private; |
| DBG("%s: apply done", omap_crtc->name); |
| __omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq); |
| queue_work(priv->wq, &omap_crtc->apply_work); |
| } |
| } |
| |
| static void apply_worker(struct work_struct *work) |
| { |
| struct omap_crtc *omap_crtc = |
| container_of(work, struct omap_crtc, apply_work); |
| struct drm_crtc *crtc = &omap_crtc->base; |
| struct drm_device *dev = crtc->dev; |
| struct omap_drm_apply *apply, *n; |
| bool need_apply; |
| |
| /* |
| * Synchronize everything on mode_config.mutex, to keep |
| * the callbacks and list modification all serialized |
| * with respect to modesetting ioctls from userspace. |
| */ |
| drm_modeset_lock(&crtc->mutex, NULL); |
| dispc_runtime_get(); |
| |
| /* |
| * If we are still pending a previous update, wait.. when the |
| * pending update completes, we get kicked again. |
| */ |
| if (omap_crtc->apply_irq.registered) |
| goto out; |
| |
| /* finish up previous apply's: */ |
| list_for_each_entry_safe(apply, n, |
| &omap_crtc->pending_applies, pending_node) { |
| apply->post_apply(apply); |
| list_del(&apply->pending_node); |
| } |
| |
| need_apply = !list_empty(&omap_crtc->queued_applies); |
| |
| /* then handle the next round of of queued apply's: */ |
| list_for_each_entry_safe(apply, n, |
| &omap_crtc->queued_applies, queued_node) { |
| apply->pre_apply(apply); |
| list_del(&apply->queued_node); |
| apply->queued = false; |
| list_add_tail(&apply->pending_node, |
| &omap_crtc->pending_applies); |
| } |
| |
| if (need_apply) { |
| enum omap_channel channel = omap_crtc->channel; |
| |
| DBG("%s: GO", omap_crtc->name); |
| |
| if (dispc_mgr_is_enabled(channel)) { |
| omap_irq_register(dev, &omap_crtc->apply_irq); |
| dispc_mgr_go(channel); |
| } else { |
| struct omap_drm_private *priv = dev->dev_private; |
| queue_work(priv->wq, &omap_crtc->apply_work); |
| } |
| } |
| |
| out: |
| dispc_runtime_put(); |
| drm_modeset_unlock(&crtc->mutex); |
| } |
| |
| int omap_crtc_apply(struct drm_crtc *crtc, |
| struct omap_drm_apply *apply) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| |
| WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); |
| |
| /* no need to queue it again if it is already queued: */ |
| if (apply->queued) |
| return 0; |
| |
| apply->queued = true; |
| list_add_tail(&apply->queued_node, &omap_crtc->queued_applies); |
| |
| /* |
| * If there are no currently pending updates, then go ahead and |
| * kick the worker immediately, otherwise it will run again when |
| * the current update finishes. |
| */ |
| if (list_empty(&omap_crtc->pending_applies)) { |
| struct omap_drm_private *priv = crtc->dev->dev_private; |
| queue_work(priv->wq, &omap_crtc->apply_work); |
| } |
| |
| return 0; |
| } |
| |
| /* called only from apply */ |
| static void set_enabled(struct drm_crtc *crtc, bool enable) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| enum omap_channel channel = omap_crtc->channel; |
| struct omap_irq_wait *wait; |
| u32 framedone_irq, vsync_irq; |
| int ret; |
| |
| if (dispc_mgr_is_enabled(channel) == enable) |
| return; |
| |
| /* |
| * Digit output produces some sync lost interrupts during the first |
| * frame when enabling, so we need to ignore those. |
| */ |
| omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); |
| |
| framedone_irq = dispc_mgr_get_framedone_irq(channel); |
| vsync_irq = dispc_mgr_get_vsync_irq(channel); |
| |
| if (enable) { |
| wait = omap_irq_wait_init(dev, vsync_irq, 1); |
| } else { |
| /* |
| * When we disable the digit output, we need to wait for |
| * FRAMEDONE to know that DISPC has finished with the output. |
| * |
| * OMAP2/3 does not have FRAMEDONE irq for digit output, and in |
| * that case we need to use vsync interrupt, and wait for both |
| * even and odd frames. |
| */ |
| |
| if (framedone_irq) |
| wait = omap_irq_wait_init(dev, framedone_irq, 1); |
| else |
| wait = omap_irq_wait_init(dev, vsync_irq, 2); |
| } |
| |
| dispc_mgr_enable(channel, enable); |
| |
| ret = omap_irq_wait(dev, wait, msecs_to_jiffies(100)); |
| if (ret) { |
| dev_err(dev->dev, "%s: timeout waiting for %s\n", |
| omap_crtc->name, enable ? "enable" : "disable"); |
| } |
| |
| omap_irq_register(crtc->dev, &omap_crtc->error_irq); |
| } |
| |
| static void omap_crtc_pre_apply(struct omap_drm_apply *apply) |
| { |
| struct omap_crtc *omap_crtc = |
| container_of(apply, struct omap_crtc, apply); |
| struct drm_crtc *crtc = &omap_crtc->base; |
| struct drm_encoder *encoder = NULL; |
| |
| DBG("%s: enabled=%d, full=%d", omap_crtc->name, |
| omap_crtc->enabled, omap_crtc->full_update); |
| |
| if (omap_crtc->full_update) { |
| struct omap_drm_private *priv = crtc->dev->dev_private; |
| int i; |
| for (i = 0; i < priv->num_encoders; i++) { |
| if (priv->encoders[i]->crtc == crtc) { |
| encoder = priv->encoders[i]; |
| break; |
| } |
| } |
| } |
| |
| if (omap_crtc->current_encoder && encoder != omap_crtc->current_encoder) |
| omap_encoder_set_enabled(omap_crtc->current_encoder, false); |
| |
| omap_crtc->current_encoder = encoder; |
| |
| if (!omap_crtc->enabled) { |
| if (encoder) |
| omap_encoder_set_enabled(encoder, false); |
| } else { |
| if (encoder) { |
| omap_encoder_set_enabled(encoder, false); |
| omap_encoder_update(encoder, omap_crtc->mgr, |
| &omap_crtc->timings); |
| omap_encoder_set_enabled(encoder, true); |
| } |
| } |
| |
| omap_crtc->full_update = false; |
| } |
| |
| static void omap_crtc_post_apply(struct omap_drm_apply *apply) |
| { |
| /* nothing needed for post-apply */ |
| } |
| |
| void omap_crtc_flush(struct drm_crtc *crtc) |
| { |
| struct omap_crtc *omap_crtc = to_omap_crtc(crtc); |
| int loops = 0; |
| |
| while (!list_empty(&omap_crtc->pending_applies) || |
| !list_empty(&omap_crtc->queued_applies) || |
| omap_crtc->event || omap_crtc->old_fb) { |
| |
| if (++loops > 10) { |
| dev_err(crtc->dev->dev, |
| "omap_crtc_flush() timeout\n"); |
| break; |
| } |
| |
| schedule_timeout_uninterruptible(msecs_to_jiffies(20)); |
| } |
| } |
| |
| static const char *channel_names[] = { |
| [OMAP_DSS_CHANNEL_LCD] = "lcd", |
| [OMAP_DSS_CHANNEL_DIGIT] = "tv", |
| [OMAP_DSS_CHANNEL_LCD2] = "lcd2", |
| [OMAP_DSS_CHANNEL_LCD3] = "lcd3", |
| }; |
| |
| void omap_crtc_pre_init(void) |
| { |
| dss_install_mgr_ops(&mgr_ops); |
| } |
| |
| void omap_crtc_pre_uninit(void) |
| { |
| dss_uninstall_mgr_ops(); |
| } |
| |
| /* initialize crtc */ |
| struct drm_crtc *omap_crtc_init(struct drm_device *dev, |
| struct drm_plane *plane, enum omap_channel channel, int id) |
| { |
| struct drm_crtc *crtc = NULL; |
| struct omap_crtc *omap_crtc; |
| struct omap_overlay_manager_info *info; |
| |
| DBG("%s", channel_names[channel]); |
| |
| omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL); |
| if (!omap_crtc) |
| goto fail; |
| |
| crtc = &omap_crtc->base; |
| |
| INIT_WORK(&omap_crtc->page_flip_work, page_flip_worker); |
| INIT_WORK(&omap_crtc->apply_work, apply_worker); |
| |
| INIT_LIST_HEAD(&omap_crtc->pending_applies); |
| INIT_LIST_HEAD(&omap_crtc->queued_applies); |
| |
| omap_crtc->apply.pre_apply = omap_crtc_pre_apply; |
| omap_crtc->apply.post_apply = omap_crtc_post_apply; |
| |
| omap_crtc->channel = channel; |
| omap_crtc->plane = plane; |
| omap_crtc->plane->crtc = crtc; |
| omap_crtc->name = channel_names[channel]; |
| omap_crtc->pipe = id; |
| |
| omap_crtc->apply_irq.irqmask = pipe2vbl(crtc); |
| omap_crtc->apply_irq.irq = omap_crtc_apply_irq; |
| |
| omap_crtc->error_irq.irqmask = |
| dispc_mgr_get_sync_lost_irq(channel); |
| omap_crtc->error_irq.irq = omap_crtc_error_irq; |
| omap_irq_register(dev, &omap_crtc->error_irq); |
| |
| /* temporary: */ |
| omap_crtc->mgr = omap_dss_get_overlay_manager(channel); |
| |
| /* TODO: fix hard-coded setup.. add properties! */ |
| info = &omap_crtc->info; |
| info->default_color = 0x00000000; |
| info->trans_key = 0x00000000; |
| info->trans_key_type = OMAP_DSS_COLOR_KEY_GFX_DST; |
| info->trans_enabled = false; |
| |
| drm_crtc_init(dev, crtc, &omap_crtc_funcs); |
| drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs); |
| |
| omap_plane_install_properties(omap_crtc->plane, &crtc->base); |
| |
| omap_crtcs[channel] = omap_crtc; |
| |
| return crtc; |
| |
| fail: |
| if (crtc) |
| omap_crtc_destroy(crtc); |
| |
| return NULL; |
| } |