--- /dev/null
+/*
+ * 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;
+
+ 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;
+
+ 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;
+
+ bool ignore_digit_sync_lost;
+};
+
+/* -----------------------------------------------------------------------------
+ * Helper Functions
+ */
+
+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);
+}
+
+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;
+}
+
+/* -----------------------------------------------------------------------------
+ * DSS Manager Functions
+ */
+
+/*
+ * 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)
+{
+}
+
+/* Called only from CRTC pre_apply and suspend/resume handlers. */
+static void omap_crtc_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;
+
+ if (omap_crtc->channel == OMAP_DSS_CHANNEL_DIGIT) {
+ /*
+ * Digit output produces some sync lost interrupts during the
+ * first frame when enabling, so we need to ignore those.
+ */
+ omap_crtc->ignore_digit_sync_lost = true;
+ }
+
+ 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");
+ }
+
+ if (omap_crtc->channel == OMAP_DSS_CHANNEL_DIGIT) {
+ omap_crtc->ignore_digit_sync_lost = false;
+ /* make sure the irq handler sees the value above */
+ mb();
+ }
+}
+
+
+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);
+ omap_crtc_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];
+
+ omap_crtc_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;
+}
+
+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,
+};
+
+/* -----------------------------------------------------------------------------
+ * Apply Logic
+ */
+
+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);
+
+ if (omap_crtc->ignore_digit_sync_lost) {
+ irqstatus &= ~DISPC_IRQ_SYNC_LOST_DIGIT;
+ if (!irqstatus)
+ return;
+ }
+
+ DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_crtc->name, irqstatus);
+}
+
+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 (!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)) {
+ dispc_mgr_go(channel);
+ omap_irq_register(dev, &omap_crtc->apply_irq);
+ } 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;
+}
+
+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 omap_drm_private *priv = crtc->dev->dev_private;
+ struct drm_encoder *encoder = NULL;
+ unsigned int i;
+
+ DBG("%s: enabled=%d", omap_crtc->name, omap_crtc->enabled);
+
+ 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);
+ }
+ }
+}
+
+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));
+ }
+}
+
+/* -----------------------------------------------------------------------------
+ * CRTC Functions
+ */
+
+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_apply(crtc, &omap_crtc->apply);
+
+ /* Enable/disable all planes associated with the CRTC. */
+ for (i = 0; i < priv->num_planes; i++) {
+ struct drm_plane *plane = priv->planes[i];
+ if (plane->crtc == crtc)
+ WARN_ON(omap_plane_set_enable(plane, enabled));
+ }
+ }
+}
+
+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);
+
+ /*
+ * The primary plane CRTC can be reset if the plane is disabled directly
+ * through the universal plane API. Set it again here.
+ */
+ crtc->primary->crtc = crtc;
+
+ return omap_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x, y, mode->hdisplay, mode->vdisplay,
+ 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 drm_plane *plane = crtc->primary;
+ struct drm_display_mode *mode = &crtc->mode;
+
+ return omap_plane_mode_set(plane, crtc, crtc->primary->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ x, y, mode->hdisplay, mode->vdisplay,
+ 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;
+ struct drm_framebuffer *fb;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+
+ /* wakeup userspace */
+ if (omap_crtc->event)
+ drm_send_vblank_event(dev, omap_crtc->pipe, omap_crtc->event);
+
+ fb = omap_crtc->old_fb;
+
+ omap_crtc->event = NULL;
+ omap_crtc->old_fb = NULL;
+
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (fb)
+ drm_framebuffer_unreference(fb);
+}
+
+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(crtc->primary, crtc, crtc->primary->fb,
+ 0, 0, mode->hdisplay, mode->vdisplay,
+ crtc->x, crtc->y, mode->hdisplay, mode->vdisplay,
+ 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 -EBUSY;
+ }
+
+ omap_crtc->event = event;
+ omap_crtc->old_fb = primary->fb = fb;
+ drm_framebuffer_reference(omap_crtc->old_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_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(crtc->primary, 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,
+};
+
+/* -----------------------------------------------------------------------------
+ * Init and Cleanup
+ */
+
+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;
+ int ret;
+
+ DBG("%s", channel_names[channel]);
+
+ omap_crtc = kzalloc(sizeof(*omap_crtc), GFP_KERNEL);
+ if (!omap_crtc)
+ return NULL;
+
+ 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->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;
+
+ ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL,
+ &omap_crtc_funcs);
+ if (ret < 0) {
+ kfree(omap_crtc);
+ return NULL;
+ }
+
+ drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
+
+ omap_plane_install_properties(crtc->primary, &crtc->base);
+
+ omap_crtcs[channel] = omap_crtc;
+
+ return crtc;
+}
Code Review / kvmfornfv.git / blobdiff