diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp4/mdp4_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp4/mdp4_crtc.c | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/drivers/gpu/drm/msm/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp4/mdp4_crtc.c deleted file mode 100644 index de6bea297cd..00000000000 --- a/drivers/gpu/drm/msm/mdp4/mdp4_crtc.c +++ /dev/null @@ -1,685 +0,0 @@ -/* - * Copyright (C) 2013 Red Hat - * Author: Rob Clark <robdclark@gmail.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 "mdp4_kms.h" - -#include <drm/drm_mode.h> -#include "drm_crtc.h" -#include "drm_crtc_helper.h" -#include "drm_flip_work.h" - -struct mdp4_crtc { - struct drm_crtc base; - char name[8]; - struct drm_plane *plane; - int id; - int ovlp; - enum mdp4_dma dma; - bool enabled; - - /* which mixer/encoder we route output to: */ - int mixer; - - struct { - spinlock_t lock; - bool stale; - uint32_t width, height; - - /* next cursor to scan-out: */ - uint32_t next_iova; - struct drm_gem_object *next_bo; - - /* current cursor being scanned out: */ - struct drm_gem_object *scanout_bo; - } cursor; - - - /* if there is a pending flip, these will be non-null: */ - struct drm_pending_vblank_event *event; - struct work_struct pageflip_work; - - /* the fb that we currently hold a scanout ref to: */ - struct drm_framebuffer *fb; - - /* for unref'ing framebuffers after scanout completes: */ - struct drm_flip_work unref_fb_work; - - /* for unref'ing cursor bo's after scanout completes: */ - struct drm_flip_work unref_cursor_work; - - struct mdp4_irq vblank; - struct mdp4_irq err; -}; -#define to_mdp4_crtc(x) container_of(x, struct mdp4_crtc, base) - -static struct mdp4_kms *get_kms(struct drm_crtc *crtc) -{ - struct msm_drm_private *priv = crtc->dev->dev_private; - return to_mdp4_kms(priv->kms); -} - -static void update_fb(struct drm_crtc *crtc, bool async, - struct drm_framebuffer *new_fb) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_framebuffer *old_fb = mdp4_crtc->fb; - - if (old_fb) - drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); - - /* grab reference to incoming scanout fb: */ - drm_framebuffer_reference(new_fb); - mdp4_crtc->base.fb = new_fb; - mdp4_crtc->fb = new_fb; - - if (!async) { - /* enable vblank to pick up the old_fb */ - mdp4_irq_register(get_kms(crtc), &mdp4_crtc->vblank); - } -} - -static void complete_flip(struct drm_crtc *crtc, bool canceled) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct drm_pending_vblank_event *event; - unsigned long flags; - - spin_lock_irqsave(&dev->event_lock, flags); - event = mdp4_crtc->event; - if (event) { - mdp4_crtc->event = NULL; - if (canceled) - event->base.destroy(&event->base); - else - drm_send_vblank_event(dev, mdp4_crtc->id, event); - } - spin_unlock_irqrestore(&dev->event_lock, flags); -} - -static void crtc_flush(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - uint32_t flush = 0; - - flush |= pipe2flush(mdp4_plane_pipe(mdp4_crtc->plane)); - flush |= ovlp2flush(mdp4_crtc->ovlp); - - DBG("%s: flush=%08x", mdp4_crtc->name, flush); - - mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); -} - -static void pageflip_worker(struct work_struct *work) -{ - struct mdp4_crtc *mdp4_crtc = - container_of(work, struct mdp4_crtc, pageflip_work); - struct drm_crtc *crtc = &mdp4_crtc->base; - - mdp4_plane_set_scanout(mdp4_crtc->plane, crtc->fb); - crtc_flush(crtc); - - /* enable vblank to complete flip: */ - mdp4_irq_register(get_kms(crtc), &mdp4_crtc->vblank); -} - -static void unref_fb_worker(struct drm_flip_work *work, void *val) -{ - struct mdp4_crtc *mdp4_crtc = - container_of(work, struct mdp4_crtc, unref_fb_work); - struct drm_device *dev = mdp4_crtc->base.dev; - - mutex_lock(&dev->mode_config.mutex); - drm_framebuffer_unreference(val); - mutex_unlock(&dev->mode_config.mutex); -} - -static void unref_cursor_worker(struct drm_flip_work *work, void *val) -{ - struct mdp4_crtc *mdp4_crtc = - container_of(work, struct mdp4_crtc, unref_cursor_work); - struct mdp4_kms *mdp4_kms = get_kms(&mdp4_crtc->base); - - msm_gem_put_iova(val, mdp4_kms->id); - drm_gem_object_unreference_unlocked(val); -} - -static void mdp4_crtc_destroy(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - - mdp4_crtc->plane->funcs->destroy(mdp4_crtc->plane); - - drm_crtc_cleanup(crtc); - drm_flip_work_cleanup(&mdp4_crtc->unref_fb_work); - drm_flip_work_cleanup(&mdp4_crtc->unref_cursor_work); - - kfree(mdp4_crtc); -} - -static void mdp4_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - bool enabled = (mode == DRM_MODE_DPMS_ON); - - DBG("%s: mode=%d", mdp4_crtc->name, mode); - - if (enabled != mdp4_crtc->enabled) { - if (enabled) { - mdp4_enable(mdp4_kms); - mdp4_irq_register(mdp4_kms, &mdp4_crtc->err); - } else { - mdp4_irq_unregister(mdp4_kms, &mdp4_crtc->err); - mdp4_disable(mdp4_kms); - } - mdp4_crtc->enabled = enabled; - } -} - -static bool mdp4_crtc_mode_fixup(struct drm_crtc *crtc, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static void blend_setup(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - int i, ovlp = mdp4_crtc->ovlp; - uint32_t mixer_cfg = 0; - - /* - * This probably would also need to be triggered by any attached - * plane when it changes.. for now since we are only using a single - * private plane, the configuration is hard-coded: - */ - - mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW0(ovlp), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_LOW1(ovlp), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH0(ovlp), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_TRANSP_HIGH1(ovlp), 0); - - for (i = 0; i < 4; i++) { - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_FG_ALPHA(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_BG_ALPHA(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_OP(ovlp, i), - MDP4_OVLP_STAGE_OP_FG_ALPHA(FG_CONST) | - MDP4_OVLP_STAGE_OP_BG_ALPHA(BG_CONST)); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_CO3(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW0(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_LOW1(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH0(ovlp, i), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STAGE_TRANSP_HIGH1(ovlp, i), 0); - } - - /* TODO single register for all CRTCs, so this won't work properly - * when multiple CRTCs are active.. - */ - switch (mdp4_plane_pipe(mdp4_crtc->plane)) { - case VG1: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE0(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE0_MIXER1); - break; - case VG2: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE1(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE1_MIXER1); - break; - case RGB1: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE2(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE2_MIXER1); - break; - case RGB2: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE3(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE3_MIXER1); - break; - case RGB3: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE4(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE4_MIXER1); - break; - case VG3: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE5(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE5_MIXER1); - break; - case VG4: - mixer_cfg = MDP4_LAYERMIXER_IN_CFG_PIPE6(STAGE_BASE) | - COND(mdp4_crtc->mixer == 1, MDP4_LAYERMIXER_IN_CFG_PIPE6_MIXER1); - break; - default: - WARN_ON("invalid pipe"); - break; - } - mdp4_write(mdp4_kms, REG_MDP4_LAYERMIXER_IN_CFG, mixer_cfg); -} - -static int mdp4_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 mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - enum mdp4_dma dma = mdp4_crtc->dma; - int ret, ovlp = mdp4_crtc->ovlp; - - mode = adjusted_mode; - - DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x", - mdp4_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); - - mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma), - MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) | - MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay)); - - /* take data from pipe: */ - mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_BASE(dma), 0); - mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_STRIDE(dma), - crtc->fb->pitches[0]); - mdp4_write(mdp4_kms, REG_MDP4_DMA_DST_SIZE(dma), - MDP4_DMA_DST_SIZE_WIDTH(0) | - MDP4_DMA_DST_SIZE_HEIGHT(0)); - - mdp4_write(mdp4_kms, REG_MDP4_OVLP_BASE(ovlp), 0); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_SIZE(ovlp), - MDP4_OVLP_SIZE_WIDTH(mode->hdisplay) | - MDP4_OVLP_SIZE_HEIGHT(mode->vdisplay)); - mdp4_write(mdp4_kms, REG_MDP4_OVLP_STRIDE(ovlp), - crtc->fb->pitches[0]); - - mdp4_write(mdp4_kms, REG_MDP4_OVLP_CFG(ovlp), 1); - - update_fb(crtc, false, crtc->fb); - - ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, - 0, 0, mode->hdisplay, mode->vdisplay, - x << 16, y << 16, - mode->hdisplay << 16, mode->vdisplay << 16); - if (ret) { - dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", - mdp4_crtc->name, ret); - return ret; - } - - if (dma == DMA_E) { - mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(0), 0x00ff0000); - mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000); - mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000); - } - - return 0; -} - -static void mdp4_crtc_prepare(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - DBG("%s", mdp4_crtc->name); - /* make sure we hold a ref to mdp clks while setting up mode: */ - mdp4_enable(get_kms(crtc)); - mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void mdp4_crtc_commit(struct drm_crtc *crtc) -{ - mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_ON); - crtc_flush(crtc); - /* drop the ref to mdp clk's that we got in prepare: */ - mdp4_disable(get_kms(crtc)); -} - -static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_plane *plane = mdp4_crtc->plane; - struct drm_display_mode *mode = &crtc->mode; - - update_fb(crtc, false, crtc->fb); - - return mdp4_plane_mode_set(plane, crtc, crtc->fb, - 0, 0, mode->hdisplay, mode->vdisplay, - x << 16, y << 16, - mode->hdisplay << 16, mode->vdisplay << 16); -} - -static void mdp4_crtc_load_lut(struct drm_crtc *crtc) -{ -} - -static int mdp4_crtc_page_flip(struct drm_crtc *crtc, - struct drm_framebuffer *new_fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct drm_gem_object *obj; - - if (mdp4_crtc->event) { - dev_err(dev->dev, "already pending flip!\n"); - return -EBUSY; - } - - obj = msm_framebuffer_bo(new_fb, 0); - - mdp4_crtc->event = event; - update_fb(crtc, true, new_fb); - - return msm_gem_queue_inactive_work(obj, - &mdp4_crtc->pageflip_work); -} - -static int mdp4_crtc_set_property(struct drm_crtc *crtc, - struct drm_property *property, uint64_t val) -{ - // XXX - return -EINVAL; -} - -#define CURSOR_WIDTH 64 -#define CURSOR_HEIGHT 64 - -/* called from IRQ to update cursor related registers (if needed). The - * cursor registers, other than x/y position, appear not to be double - * buffered, and changing them other than from vblank seems to trigger - * underflow. - */ -static void update_cursor(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - enum mdp4_dma dma = mdp4_crtc->dma; - unsigned long flags; - - spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); - if (mdp4_crtc->cursor.stale) { - struct mdp4_kms *mdp4_kms = get_kms(crtc); - struct drm_gem_object *next_bo = mdp4_crtc->cursor.next_bo; - struct drm_gem_object *prev_bo = mdp4_crtc->cursor.scanout_bo; - uint32_t iova = mdp4_crtc->cursor.next_iova; - - if (next_bo) { - /* take a obj ref + iova ref when we start scanning out: */ - drm_gem_object_reference(next_bo); - msm_gem_get_iova_locked(next_bo, mdp4_kms->id, &iova); - - /* enable cursor: */ - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_SIZE(dma), - MDP4_DMA_CURSOR_SIZE_WIDTH(mdp4_crtc->cursor.width) | - MDP4_DMA_CURSOR_SIZE_HEIGHT(mdp4_crtc->cursor.height)); - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BASE(dma), iova); - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BLEND_CONFIG(dma), - MDP4_DMA_CURSOR_BLEND_CONFIG_FORMAT(CURSOR_ARGB) | - MDP4_DMA_CURSOR_BLEND_CONFIG_CURSOR_EN); - } else { - /* disable cursor: */ - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BASE(dma), 0); - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_BLEND_CONFIG(dma), - MDP4_DMA_CURSOR_BLEND_CONFIG_FORMAT(CURSOR_ARGB)); - } - - /* and drop the iova ref + obj rev when done scanning out: */ - if (prev_bo) - drm_flip_work_queue(&mdp4_crtc->unref_cursor_work, prev_bo); - - mdp4_crtc->cursor.scanout_bo = next_bo; - mdp4_crtc->cursor.stale = false; - } - spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); -} - -static int mdp4_crtc_cursor_set(struct drm_crtc *crtc, - struct drm_file *file_priv, uint32_t handle, - uint32_t width, uint32_t height) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - struct drm_device *dev = crtc->dev; - struct drm_gem_object *cursor_bo, *old_bo; - unsigned long flags; - uint32_t iova; - int ret; - - if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) { - dev_err(dev->dev, "bad cursor size: %dx%d\n", width, height); - return -EINVAL; - } - - if (handle) { - cursor_bo = drm_gem_object_lookup(dev, file_priv, handle); - if (!cursor_bo) - return -ENOENT; - } else { - cursor_bo = NULL; - } - - if (cursor_bo) { - ret = msm_gem_get_iova(cursor_bo, mdp4_kms->id, &iova); - if (ret) - goto fail; - } else { - iova = 0; - } - - spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); - old_bo = mdp4_crtc->cursor.next_bo; - mdp4_crtc->cursor.next_bo = cursor_bo; - mdp4_crtc->cursor.next_iova = iova; - mdp4_crtc->cursor.width = width; - mdp4_crtc->cursor.height = height; - mdp4_crtc->cursor.stale = true; - spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); - - if (old_bo) { - /* drop our previous reference: */ - msm_gem_put_iova(old_bo, mdp4_kms->id); - drm_gem_object_unreference_unlocked(old_bo); - } - - return 0; - -fail: - drm_gem_object_unreference_unlocked(cursor_bo); - return ret; -} - -static int mdp4_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - enum mdp4_dma dma = mdp4_crtc->dma; - - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), - MDP4_DMA_CURSOR_POS_X(x) | - MDP4_DMA_CURSOR_POS_Y(y)); - - return 0; -} - -static const struct drm_crtc_funcs mdp4_crtc_funcs = { - .set_config = drm_crtc_helper_set_config, - .destroy = mdp4_crtc_destroy, - .page_flip = mdp4_crtc_page_flip, - .set_property = mdp4_crtc_set_property, - .cursor_set = mdp4_crtc_cursor_set, - .cursor_move = mdp4_crtc_cursor_move, -}; - -static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = { - .dpms = mdp4_crtc_dpms, - .mode_fixup = mdp4_crtc_mode_fixup, - .mode_set = mdp4_crtc_mode_set, - .prepare = mdp4_crtc_prepare, - .commit = mdp4_crtc_commit, - .mode_set_base = mdp4_crtc_mode_set_base, - .load_lut = mdp4_crtc_load_lut, -}; - -static void mdp4_crtc_vblank_irq(struct mdp4_irq *irq, uint32_t irqstatus) -{ - struct mdp4_crtc *mdp4_crtc = container_of(irq, struct mdp4_crtc, vblank); - struct drm_crtc *crtc = &mdp4_crtc->base; - struct msm_drm_private *priv = crtc->dev->dev_private; - - update_cursor(crtc); - complete_flip(crtc, false); - mdp4_irq_unregister(get_kms(crtc), &mdp4_crtc->vblank); - - drm_flip_work_commit(&mdp4_crtc->unref_fb_work, priv->wq); - drm_flip_work_commit(&mdp4_crtc->unref_cursor_work, priv->wq); -} - -static void mdp4_crtc_err_irq(struct mdp4_irq *irq, uint32_t irqstatus) -{ - struct mdp4_crtc *mdp4_crtc = container_of(irq, struct mdp4_crtc, err); - struct drm_crtc *crtc = &mdp4_crtc->base; - DBG("%s: error: %08x", mdp4_crtc->name, irqstatus); - crtc_flush(crtc); -} - -uint32_t mdp4_crtc_vblank(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - return mdp4_crtc->vblank.irqmask; -} - -void mdp4_crtc_cancel_pending_flip(struct drm_crtc *crtc) -{ - complete_flip(crtc, true); -} - -/* set dma config, ie. the format the encoder wants. */ -void mdp4_crtc_set_config(struct drm_crtc *crtc, uint32_t config) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - - mdp4_write(mdp4_kms, REG_MDP4_DMA_CONFIG(mdp4_crtc->dma), config); -} - -/* set interface for routing crtc->encoder: */ -void mdp4_crtc_set_intf(struct drm_crtc *crtc, enum mdp4_intf intf) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - uint32_t intf_sel; - - intf_sel = mdp4_read(mdp4_kms, REG_MDP4_DISP_INTF_SEL); - - switch (mdp4_crtc->dma) { - case DMA_P: - intf_sel &= ~MDP4_DISP_INTF_SEL_PRIM__MASK; - intf_sel |= MDP4_DISP_INTF_SEL_PRIM(intf); - break; - case DMA_S: - intf_sel &= ~MDP4_DISP_INTF_SEL_SEC__MASK; - intf_sel |= MDP4_DISP_INTF_SEL_SEC(intf); - break; - case DMA_E: - intf_sel &= ~MDP4_DISP_INTF_SEL_EXT__MASK; - intf_sel |= MDP4_DISP_INTF_SEL_EXT(intf); - break; - } - - if (intf == INTF_DSI_VIDEO) { - intf_sel &= ~MDP4_DISP_INTF_SEL_DSI_CMD; - intf_sel |= MDP4_DISP_INTF_SEL_DSI_VIDEO; - mdp4_crtc->mixer = 0; - } else if (intf == INTF_DSI_CMD) { - intf_sel &= ~MDP4_DISP_INTF_SEL_DSI_VIDEO; - intf_sel |= MDP4_DISP_INTF_SEL_DSI_CMD; - mdp4_crtc->mixer = 0; - } else if (intf == INTF_LCDC_DTV){ - mdp4_crtc->mixer = 1; - } - - blend_setup(crtc); - - DBG("%s: intf_sel=%08x", mdp4_crtc->name, intf_sel); - - mdp4_write(mdp4_kms, REG_MDP4_DISP_INTF_SEL, intf_sel); -} - -static const char *dma_names[] = { - "DMA_P", "DMA_S", "DMA_E", -}; - -/* initialize crtc */ -struct drm_crtc *mdp4_crtc_init(struct drm_device *dev, - struct drm_plane *plane, int id, int ovlp_id, - enum mdp4_dma dma_id) -{ - struct drm_crtc *crtc = NULL; - struct mdp4_crtc *mdp4_crtc; - int ret; - - mdp4_crtc = kzalloc(sizeof(*mdp4_crtc), GFP_KERNEL); - if (!mdp4_crtc) { - ret = -ENOMEM; - goto fail; - } - - crtc = &mdp4_crtc->base; - - mdp4_crtc->plane = plane; - mdp4_crtc->plane->crtc = crtc; - - mdp4_crtc->ovlp = ovlp_id; - mdp4_crtc->dma = dma_id; - - mdp4_crtc->vblank.irqmask = dma2irq(mdp4_crtc->dma); - mdp4_crtc->vblank.irq = mdp4_crtc_vblank_irq; - - mdp4_crtc->err.irqmask = dma2err(mdp4_crtc->dma); - mdp4_crtc->err.irq = mdp4_crtc_err_irq; - - snprintf(mdp4_crtc->name, sizeof(mdp4_crtc->name), "%s:%d", - dma_names[dma_id], ovlp_id); - - spin_lock_init(&mdp4_crtc->cursor.lock); - - ret = drm_flip_work_init(&mdp4_crtc->unref_fb_work, 16, - "unref fb", unref_fb_worker); - if (ret) - goto fail; - - ret = drm_flip_work_init(&mdp4_crtc->unref_cursor_work, 64, - "unref cursor", unref_cursor_worker); - - INIT_WORK(&mdp4_crtc->pageflip_work, pageflip_worker); - - drm_crtc_init(dev, crtc, &mdp4_crtc_funcs); - drm_crtc_helper_add(crtc, &mdp4_crtc_helper_funcs); - - mdp4_plane_install_properties(mdp4_crtc->plane, &crtc->base); - - return crtc; - -fail: - if (crtc) - mdp4_crtc_destroy(crtc); - - return ERR_PTR(ret); -} |