11c248b7dSInki Dae /* exynos_drm_crtc.c 21c248b7dSInki Dae * 31c248b7dSInki Dae * Copyright (c) 2011 Samsung Electronics Co., Ltd. 41c248b7dSInki Dae * Authors: 51c248b7dSInki Dae * Inki Dae <inki.dae@samsung.com> 61c248b7dSInki Dae * Joonyoung Shim <jy0922.shim@samsung.com> 71c248b7dSInki Dae * Seung-Woo Kim <sw0312.kim@samsung.com> 81c248b7dSInki Dae * 9d81aecb5SInki Dae * This program is free software; you can redistribute it and/or modify it 10d81aecb5SInki Dae * under the terms of the GNU General Public License as published by the 11d81aecb5SInki Dae * Free Software Foundation; either version 2 of the License, or (at your 12d81aecb5SInki Dae * option) any later version. 131c248b7dSInki Dae */ 141c248b7dSInki Dae 15760285e7SDavid Howells #include <drm/drmP.h> 16760285e7SDavid Howells #include <drm/drm_crtc_helper.h> 171c248b7dSInki Dae 18e30655d0SMark Brown #include "exynos_drm_crtc.h" 191c248b7dSInki Dae #include "exynos_drm_drv.h" 201c248b7dSInki Dae #include "exynos_drm_encoder.h" 21b5d2eb3bSJoonyoung Shim #include "exynos_drm_plane.h" 221c248b7dSInki Dae 231c248b7dSInki Dae #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ 241c248b7dSInki Dae drm_crtc) 251c248b7dSInki Dae 263b8d1cf8SJoonyoung Shim enum exynos_crtc_mode { 273b8d1cf8SJoonyoung Shim CRTC_MODE_NORMAL, /* normal mode */ 283b8d1cf8SJoonyoung Shim CRTC_MODE_BLANK, /* The private plane of crtc is blank */ 293b8d1cf8SJoonyoung Shim }; 303b8d1cf8SJoonyoung Shim 311c248b7dSInki Dae /* 321c248b7dSInki Dae * Exynos specific crtc structure. 331c248b7dSInki Dae * 341c248b7dSInki Dae * @drm_crtc: crtc object. 35b5d2eb3bSJoonyoung Shim * @drm_plane: pointer of private plane object for this crtc 36080be03dSSean Paul * @manager: the manager associated with this crtc 371c248b7dSInki Dae * @pipe: a crtc index created at load() with a new crtc object creation 381c248b7dSInki Dae * and the crtc object would be set to private->crtc array 391c248b7dSInki Dae * to get a crtc object corresponding to this pipe from private->crtc 40c6b78bc8SMasanari Iida * array when irq interrupt occurred. the reason of using this pipe is that 411c248b7dSInki Dae * drm framework doesn't support multiple irq yet. 42c6b78bc8SMasanari Iida * we can refer to the crtc to current hardware interrupt occurred through 431c248b7dSInki Dae * this pipe value. 44ec05da95SInki Dae * @dpms: store the crtc dpms value 453b8d1cf8SJoonyoung Shim * @mode: store the crtc mode value 461c248b7dSInki Dae */ 471c248b7dSInki Dae struct exynos_drm_crtc { 481c248b7dSInki Dae struct drm_crtc drm_crtc; 49b5d2eb3bSJoonyoung Shim struct drm_plane *plane; 50080be03dSSean Paul struct exynos_drm_manager *manager; 511c248b7dSInki Dae unsigned int pipe; 52ec05da95SInki Dae unsigned int dpms; 533b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode; 5420cd2640SInki Dae wait_queue_head_t pending_flip_queue; 5520cd2640SInki Dae atomic_t pending_flip; 561c248b7dSInki Dae }; 571c248b7dSInki Dae 581c248b7dSInki Dae static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 591c248b7dSInki Dae { 60d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 61080be03dSSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 621c248b7dSInki Dae 63d2716c89SJoonyoung Shim DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); 64d2716c89SJoonyoung Shim 65ec05da95SInki Dae if (exynos_crtc->dpms == mode) { 66ec05da95SInki Dae DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); 67ec05da95SInki Dae return; 68ec05da95SInki Dae } 69ec05da95SInki Dae 7020cd2640SInki Dae if (mode > DRM_MODE_DPMS_ON) { 7120cd2640SInki Dae /* wait for the completion of page flip. */ 7220cd2640SInki Dae wait_event(exynos_crtc->pending_flip_queue, 7320cd2640SInki Dae atomic_read(&exynos_crtc->pending_flip) == 0); 7420cd2640SInki Dae drm_vblank_off(crtc->dev, exynos_crtc->pipe); 7520cd2640SInki Dae } 7620cd2640SInki Dae 77080be03dSSean Paul if (manager->ops->dpms) 78080be03dSSean Paul manager->ops->dpms(manager, mode); 79080be03dSSean Paul 80ec05da95SInki Dae exynos_crtc->dpms = mode; 811c248b7dSInki Dae } 821c248b7dSInki Dae 831c248b7dSInki Dae static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) 841c248b7dSInki Dae { 851c248b7dSInki Dae /* drm framework doesn't check NULL. */ 861c248b7dSInki Dae } 871c248b7dSInki Dae 881c248b7dSInki Dae static void exynos_drm_crtc_commit(struct drm_crtc *crtc) 891c248b7dSInki Dae { 90d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 91080be03dSSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 92d2716c89SJoonyoung Shim 9350caf25cSInki Dae exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 94080be03dSSean Paul 954070d212SJoonyoung Shim exynos_plane_commit(exynos_crtc->plane); 96080be03dSSean Paul 97080be03dSSean Paul if (manager->ops->commit) 98080be03dSSean Paul manager->ops->commit(manager); 99080be03dSSean Paul 100cf5188acSJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, DRM_MODE_DPMS_ON); 1011c248b7dSInki Dae } 1021c248b7dSInki Dae 1031c248b7dSInki Dae static bool 1041c248b7dSInki Dae exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, 105e811f5aeSLaurent Pinchart const struct drm_display_mode *mode, 1061c248b7dSInki Dae struct drm_display_mode *adjusted_mode) 1071c248b7dSInki Dae { 1084b405269SSean Paul struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1094b405269SSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 1104b405269SSean Paul 1114b405269SSean Paul if (manager->ops->mode_fixup) 1124b405269SSean Paul return manager->ops->mode_fixup(manager, mode, adjusted_mode); 1134b405269SSean Paul 1141c248b7dSInki Dae return true; 1151c248b7dSInki Dae } 1161c248b7dSInki Dae 1171c248b7dSInki Dae static int 1181c248b7dSInki Dae exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 1191c248b7dSInki Dae struct drm_display_mode *adjusted_mode, int x, int y, 1201c248b7dSInki Dae struct drm_framebuffer *old_fb) 1211c248b7dSInki Dae { 122aeb29224SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 123cd706aa8SSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 1244070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1254070d212SJoonyoung Shim unsigned int crtc_w; 1264070d212SJoonyoung Shim unsigned int crtc_h; 127aeb29224SJoonyoung Shim int ret; 128aeb29224SJoonyoung Shim 1291de425b0SInki Dae /* 1301de425b0SInki Dae * copy the mode data adjusted by mode_fixup() into crtc->mode 1311de425b0SInki Dae * so that hardware can be seet to proper mode. 1321de425b0SInki Dae */ 1331de425b0SInki Dae memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode)); 1341c248b7dSInki Dae 1354070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1364070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1374070d212SJoonyoung Shim 138cd706aa8SSean Paul if (manager->ops->mode_set) 139cd706aa8SSean Paul manager->ops->mode_set(manager, &crtc->mode); 140cd706aa8SSean Paul 1414070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1424070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 143aeb29224SJoonyoung Shim if (ret) 144aeb29224SJoonyoung Shim return ret; 145aeb29224SJoonyoung Shim 1464070d212SJoonyoung Shim plane->crtc = crtc; 1474070d212SJoonyoung Shim plane->fb = crtc->fb; 1484070d212SJoonyoung Shim 149aeb29224SJoonyoung Shim return 0; 1501c248b7dSInki Dae } 1511c248b7dSInki Dae 1527fd65df1SInki Dae static int exynos_drm_crtc_mode_set_commit(struct drm_crtc *crtc, int x, int y, 1531c248b7dSInki Dae struct drm_framebuffer *old_fb) 1541c248b7dSInki Dae { 1554070d212SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1564070d212SJoonyoung Shim struct drm_plane *plane = exynos_crtc->plane; 1574070d212SJoonyoung Shim unsigned int crtc_w; 1584070d212SJoonyoung Shim unsigned int crtc_h; 1591c248b7dSInki Dae int ret; 1601c248b7dSInki Dae 16132aeab17SInki Dae /* when framebuffer changing is requested, crtc's dpms should be on */ 16232aeab17SInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 16332aeab17SInki Dae DRM_ERROR("failed framebuffer changing request.\n"); 16432aeab17SInki Dae return -EPERM; 16532aeab17SInki Dae } 16632aeab17SInki Dae 1674070d212SJoonyoung Shim crtc_w = crtc->fb->width - x; 1684070d212SJoonyoung Shim crtc_h = crtc->fb->height - y; 1694070d212SJoonyoung Shim 1704070d212SJoonyoung Shim ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h, 1714070d212SJoonyoung Shim x, y, crtc_w, crtc_h); 1721c248b7dSInki Dae if (ret) 1731c248b7dSInki Dae return ret; 1741c248b7dSInki Dae 175bebab8ffSJoonyoung Shim exynos_drm_crtc_commit(crtc); 1761c248b7dSInki Dae 1774070d212SJoonyoung Shim return 0; 1781c248b7dSInki Dae } 1791c248b7dSInki Dae 1807fd65df1SInki Dae static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 1817fd65df1SInki Dae struct drm_framebuffer *old_fb) 1827fd65df1SInki Dae { 1837fd65df1SInki Dae return exynos_drm_crtc_mode_set_commit(crtc, x, y, old_fb); 1847fd65df1SInki Dae } 1857fd65df1SInki Dae 186a365d9ebSJoonyoung Shim static void exynos_drm_crtc_disable(struct drm_crtc *crtc) 187a365d9ebSJoonyoung Shim { 188a9c4cd21SSean Paul struct drm_plane *plane; 189a9c4cd21SSean Paul int ret; 190a365d9ebSJoonyoung Shim 191a365d9ebSJoonyoung Shim exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 192a9c4cd21SSean Paul 193a9c4cd21SSean Paul list_for_each_entry(plane, &crtc->dev->mode_config.plane_list, head) { 194a9c4cd21SSean Paul if (plane->crtc != crtc) 195a9c4cd21SSean Paul continue; 196a9c4cd21SSean Paul 197a9c4cd21SSean Paul ret = plane->funcs->disable_plane(plane); 198a9c4cd21SSean Paul if (ret) 199a9c4cd21SSean Paul DRM_ERROR("Failed to disable plane %d\n", ret); 200a9c4cd21SSean Paul } 201a365d9ebSJoonyoung Shim } 202a365d9ebSJoonyoung Shim 2031c248b7dSInki Dae static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { 2041c248b7dSInki Dae .dpms = exynos_drm_crtc_dpms, 2051c248b7dSInki Dae .prepare = exynos_drm_crtc_prepare, 2061c248b7dSInki Dae .commit = exynos_drm_crtc_commit, 2071c248b7dSInki Dae .mode_fixup = exynos_drm_crtc_mode_fixup, 2081c248b7dSInki Dae .mode_set = exynos_drm_crtc_mode_set, 2091c248b7dSInki Dae .mode_set_base = exynos_drm_crtc_mode_set_base, 210a365d9ebSJoonyoung Shim .disable = exynos_drm_crtc_disable, 2111c248b7dSInki Dae }; 2121c248b7dSInki Dae 2131c248b7dSInki Dae static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, 2141c248b7dSInki Dae struct drm_framebuffer *fb, 215ed8d1975SKeith Packard struct drm_pending_vblank_event *event, 216ed8d1975SKeith Packard uint32_t page_flip_flags) 2171c248b7dSInki Dae { 2181c248b7dSInki Dae struct drm_device *dev = crtc->dev; 2191c248b7dSInki Dae struct exynos_drm_private *dev_priv = dev->dev_private; 2201c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2211c248b7dSInki Dae struct drm_framebuffer *old_fb = crtc->fb; 2221c248b7dSInki Dae int ret = -EINVAL; 2231c248b7dSInki Dae 224ef6223dcSInki Dae /* when the page flip is requested, crtc's dpms should be on */ 225ef6223dcSInki Dae if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) { 226ef6223dcSInki Dae DRM_ERROR("failed page flip request.\n"); 227ef6223dcSInki Dae return -EINVAL; 228ef6223dcSInki Dae } 229ef6223dcSInki Dae 2301c248b7dSInki Dae mutex_lock(&dev->struct_mutex); 2311c248b7dSInki Dae 232ccf4d883SInki Dae if (event) { 233ccf4d883SInki Dae /* 234ccf4d883SInki Dae * the pipe from user always is 0 so we can set pipe number 235ccf4d883SInki Dae * of current owner to event. 236ccf4d883SInki Dae */ 237ccf4d883SInki Dae event->pipe = exynos_crtc->pipe; 238ccf4d883SInki Dae 2391c248b7dSInki Dae ret = drm_vblank_get(dev, exynos_crtc->pipe); 2401c248b7dSInki Dae if (ret) { 2411c248b7dSInki Dae DRM_DEBUG("failed to acquire vblank counter\n"); 242ccf4d883SInki Dae 2431c248b7dSInki Dae goto out; 2441c248b7dSInki Dae } 2451c248b7dSInki Dae 24685473328SImre Deak spin_lock_irq(&dev->event_lock); 247c5614ae3SInki Dae list_add_tail(&event->base.link, 248c5614ae3SInki Dae &dev_priv->pageflip_event_list); 24920cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 1); 25085473328SImre Deak spin_unlock_irq(&dev->event_lock); 251c5614ae3SInki Dae 2521c248b7dSInki Dae crtc->fb = fb; 2537fd65df1SInki Dae ret = exynos_drm_crtc_mode_set_commit(crtc, crtc->x, crtc->y, 2544070d212SJoonyoung Shim NULL); 2551c248b7dSInki Dae if (ret) { 2561c248b7dSInki Dae crtc->fb = old_fb; 25785473328SImre Deak 25885473328SImre Deak spin_lock_irq(&dev->event_lock); 2591c248b7dSInki Dae drm_vblank_put(dev, exynos_crtc->pipe); 260ccf4d883SInki Dae list_del(&event->base.link); 26185473328SImre Deak spin_unlock_irq(&dev->event_lock); 2621c248b7dSInki Dae 2631c248b7dSInki Dae goto out; 2641c248b7dSInki Dae } 2651c248b7dSInki Dae } 2661c248b7dSInki Dae out: 2671c248b7dSInki Dae mutex_unlock(&dev->struct_mutex); 2681c248b7dSInki Dae return ret; 2691c248b7dSInki Dae } 2701c248b7dSInki Dae 2711c248b7dSInki Dae static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) 2721c248b7dSInki Dae { 2731c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2741c248b7dSInki Dae struct exynos_drm_private *private = crtc->dev->dev_private; 2751c248b7dSInki Dae 2761c248b7dSInki Dae private->crtc[exynos_crtc->pipe] = NULL; 2771c248b7dSInki Dae 2781c248b7dSInki Dae drm_crtc_cleanup(crtc); 2791c248b7dSInki Dae kfree(exynos_crtc); 2801c248b7dSInki Dae } 2811c248b7dSInki Dae 2823b8d1cf8SJoonyoung Shim static int exynos_drm_crtc_set_property(struct drm_crtc *crtc, 2833b8d1cf8SJoonyoung Shim struct drm_property *property, 2843b8d1cf8SJoonyoung Shim uint64_t val) 2853b8d1cf8SJoonyoung Shim { 2863b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 2873b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 2883b8d1cf8SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2893b8d1cf8SJoonyoung Shim 2903b8d1cf8SJoonyoung Shim if (property == dev_priv->crtc_mode_property) { 2913b8d1cf8SJoonyoung Shim enum exynos_crtc_mode mode = val; 2923b8d1cf8SJoonyoung Shim 2933b8d1cf8SJoonyoung Shim if (mode == exynos_crtc->mode) 2943b8d1cf8SJoonyoung Shim return 0; 2953b8d1cf8SJoonyoung Shim 2963b8d1cf8SJoonyoung Shim exynos_crtc->mode = mode; 2973b8d1cf8SJoonyoung Shim 2983b8d1cf8SJoonyoung Shim switch (mode) { 2993b8d1cf8SJoonyoung Shim case CRTC_MODE_NORMAL: 3003b8d1cf8SJoonyoung Shim exynos_drm_crtc_commit(crtc); 3013b8d1cf8SJoonyoung Shim break; 3023b8d1cf8SJoonyoung Shim case CRTC_MODE_BLANK: 3033b8d1cf8SJoonyoung Shim exynos_plane_dpms(exynos_crtc->plane, 3043b8d1cf8SJoonyoung Shim DRM_MODE_DPMS_OFF); 3053b8d1cf8SJoonyoung Shim break; 3063b8d1cf8SJoonyoung Shim default: 3073b8d1cf8SJoonyoung Shim break; 3083b8d1cf8SJoonyoung Shim } 3093b8d1cf8SJoonyoung Shim 3103b8d1cf8SJoonyoung Shim return 0; 3113b8d1cf8SJoonyoung Shim } 3123b8d1cf8SJoonyoung Shim 3133b8d1cf8SJoonyoung Shim return -EINVAL; 3143b8d1cf8SJoonyoung Shim } 3153b8d1cf8SJoonyoung Shim 3161c248b7dSInki Dae static struct drm_crtc_funcs exynos_crtc_funcs = { 3171c248b7dSInki Dae .set_config = drm_crtc_helper_set_config, 3181c248b7dSInki Dae .page_flip = exynos_drm_crtc_page_flip, 3191c248b7dSInki Dae .destroy = exynos_drm_crtc_destroy, 3203b8d1cf8SJoonyoung Shim .set_property = exynos_drm_crtc_set_property, 3211c248b7dSInki Dae }; 3221c248b7dSInki Dae 3233b8d1cf8SJoonyoung Shim static const struct drm_prop_enum_list mode_names[] = { 3243b8d1cf8SJoonyoung Shim { CRTC_MODE_NORMAL, "normal" }, 3253b8d1cf8SJoonyoung Shim { CRTC_MODE_BLANK, "blank" }, 3263b8d1cf8SJoonyoung Shim }; 3273b8d1cf8SJoonyoung Shim 3283b8d1cf8SJoonyoung Shim static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc) 3293b8d1cf8SJoonyoung Shim { 3303b8d1cf8SJoonyoung Shim struct drm_device *dev = crtc->dev; 3313b8d1cf8SJoonyoung Shim struct exynos_drm_private *dev_priv = dev->dev_private; 3323b8d1cf8SJoonyoung Shim struct drm_property *prop; 3333b8d1cf8SJoonyoung Shim 3343b8d1cf8SJoonyoung Shim prop = dev_priv->crtc_mode_property; 3353b8d1cf8SJoonyoung Shim if (!prop) { 3363b8d1cf8SJoonyoung Shim prop = drm_property_create_enum(dev, 0, "mode", mode_names, 3373b8d1cf8SJoonyoung Shim ARRAY_SIZE(mode_names)); 3383b8d1cf8SJoonyoung Shim if (!prop) 3393b8d1cf8SJoonyoung Shim return; 3403b8d1cf8SJoonyoung Shim 3413b8d1cf8SJoonyoung Shim dev_priv->crtc_mode_property = prop; 3423b8d1cf8SJoonyoung Shim } 3433b8d1cf8SJoonyoung Shim 3443b8d1cf8SJoonyoung Shim drm_object_attach_property(&crtc->base, prop, 0); 3453b8d1cf8SJoonyoung Shim } 3463b8d1cf8SJoonyoung Shim 347080be03dSSean Paul int exynos_drm_crtc_create(struct exynos_drm_manager *manager) 3481c248b7dSInki Dae { 3491c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 350080be03dSSean Paul struct exynos_drm_private *private = manager->drm_dev->dev_private; 3511c248b7dSInki Dae struct drm_crtc *crtc; 3521c248b7dSInki Dae 3531c248b7dSInki Dae exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); 35438bb5253SSachin Kamat if (!exynos_crtc) 3551c248b7dSInki Dae return -ENOMEM; 3561c248b7dSInki Dae 35720cd2640SInki Dae init_waitqueue_head(&exynos_crtc->pending_flip_queue); 35820cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 0); 359080be03dSSean Paul 360080be03dSSean Paul exynos_crtc->dpms = DRM_MODE_DPMS_OFF; 361080be03dSSean Paul exynos_crtc->manager = manager; 362080be03dSSean Paul exynos_crtc->pipe = manager->pipe; 363080be03dSSean Paul exynos_crtc->plane = exynos_plane_init(manager->drm_dev, 364080be03dSSean Paul 1 << manager->pipe, true); 365b5d2eb3bSJoonyoung Shim if (!exynos_crtc->plane) { 366b5d2eb3bSJoonyoung Shim kfree(exynos_crtc); 367b5d2eb3bSJoonyoung Shim return -ENOMEM; 368b5d2eb3bSJoonyoung Shim } 369b5d2eb3bSJoonyoung Shim 3701c248b7dSInki Dae crtc = &exynos_crtc->drm_crtc; 3711c248b7dSInki Dae 372080be03dSSean Paul private->crtc[manager->pipe] = crtc; 3731c248b7dSInki Dae 374080be03dSSean Paul drm_crtc_init(manager->drm_dev, crtc, &exynos_crtc_funcs); 3751c248b7dSInki Dae drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); 3761c248b7dSInki Dae 3773b8d1cf8SJoonyoung Shim exynos_drm_crtc_attach_mode_property(crtc); 3783b8d1cf8SJoonyoung Shim 3791c248b7dSInki Dae return 0; 3801c248b7dSInki Dae } 3811c248b7dSInki Dae 382080be03dSSean Paul int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe) 3831c248b7dSInki Dae { 3841c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 385ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 386080be03dSSean Paul to_exynos_crtc(private->crtc[pipe]); 387080be03dSSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 3881c248b7dSInki Dae 389ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 390ec05da95SInki Dae return -EPERM; 391ec05da95SInki Dae 392080be03dSSean Paul if (manager->ops->enable_vblank) 393080be03dSSean Paul manager->ops->enable_vblank(manager); 3941c248b7dSInki Dae 3951c248b7dSInki Dae return 0; 3961c248b7dSInki Dae } 3971c248b7dSInki Dae 398080be03dSSean Paul void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe) 3991c248b7dSInki Dae { 4001c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 401ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 402080be03dSSean Paul to_exynos_crtc(private->crtc[pipe]); 403080be03dSSean Paul struct exynos_drm_manager *manager = exynos_crtc->manager; 4041c248b7dSInki Dae 405ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 406ec05da95SInki Dae return; 407ec05da95SInki Dae 408080be03dSSean Paul if (manager->ops->disable_vblank) 409080be03dSSean Paul manager->ops->disable_vblank(manager); 4101c248b7dSInki Dae } 411663d8766SRahul Sharma 412080be03dSSean Paul void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe) 413663d8766SRahul Sharma { 414663d8766SRahul Sharma struct exynos_drm_private *dev_priv = dev->dev_private; 415663d8766SRahul Sharma struct drm_pending_vblank_event *e, *t; 416080be03dSSean Paul struct drm_crtc *drm_crtc = dev_priv->crtc[pipe]; 41720cd2640SInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc); 418663d8766SRahul Sharma unsigned long flags; 419663d8766SRahul Sharma 420663d8766SRahul Sharma spin_lock_irqsave(&dev->event_lock, flags); 421663d8766SRahul Sharma 422663d8766SRahul Sharma list_for_each_entry_safe(e, t, &dev_priv->pageflip_event_list, 423663d8766SRahul Sharma base.link) { 424663d8766SRahul Sharma /* if event's pipe isn't same as crtc then ignore it. */ 425080be03dSSean Paul if (pipe != e->pipe) 426663d8766SRahul Sharma continue; 427663d8766SRahul Sharma 428c5cca97fSRob Clark list_del(&e->base.link); 429c5cca97fSRob Clark drm_send_vblank_event(dev, -1, e); 430080be03dSSean Paul drm_vblank_put(dev, pipe); 43120cd2640SInki Dae atomic_set(&exynos_crtc->pending_flip, 0); 43220cd2640SInki Dae wake_up(&exynos_crtc->pending_flip_queue); 433663d8766SRahul Sharma } 434663d8766SRahul Sharma 435663d8766SRahul Sharma spin_unlock_irqrestore(&dev->event_lock, flags); 436663d8766SRahul Sharma } 437080be03dSSean Paul 438080be03dSSean Paul void exynos_drm_crtc_plane_mode_set(struct drm_crtc *crtc, 439080be03dSSean Paul struct exynos_drm_overlay *overlay) 440080be03dSSean Paul { 441080be03dSSean Paul struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager; 442080be03dSSean Paul 443080be03dSSean Paul if (manager->ops->win_mode_set) 444080be03dSSean Paul manager->ops->win_mode_set(manager, overlay); 445080be03dSSean Paul } 446080be03dSSean Paul 447080be03dSSean Paul void exynos_drm_crtc_plane_commit(struct drm_crtc *crtc, int zpos) 448080be03dSSean Paul { 449080be03dSSean Paul struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager; 450080be03dSSean Paul 451080be03dSSean Paul if (manager->ops->win_commit) 452080be03dSSean Paul manager->ops->win_commit(manager, zpos); 453080be03dSSean Paul } 454080be03dSSean Paul 455080be03dSSean Paul void exynos_drm_crtc_plane_enable(struct drm_crtc *crtc, int zpos) 456080be03dSSean Paul { 457080be03dSSean Paul struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager; 458080be03dSSean Paul 459080be03dSSean Paul if (manager->ops->win_enable) 460080be03dSSean Paul manager->ops->win_enable(manager, zpos); 461080be03dSSean Paul } 462080be03dSSean Paul 463080be03dSSean Paul void exynos_drm_crtc_plane_disable(struct drm_crtc *crtc, int zpos) 464080be03dSSean Paul { 465080be03dSSean Paul struct exynos_drm_manager *manager = to_exynos_crtc(crtc)->manager; 466080be03dSSean Paul 467080be03dSSean Paul if (manager->ops->win_disable) 468080be03dSSean Paul manager->ops->win_disable(manager, zpos); 469080be03dSSean Paul } 470080be03dSSean Paul 471080be03dSSean Paul void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb) 472080be03dSSean Paul { 473080be03dSSean Paul struct exynos_drm_manager *manager; 474080be03dSSean Paul struct drm_device *dev = fb->dev; 475080be03dSSean Paul struct drm_crtc *crtc; 476080be03dSSean Paul 477080be03dSSean Paul /* 478080be03dSSean Paul * make sure that overlay data are updated to real hardware 479080be03dSSean Paul * for all encoders. 480080be03dSSean Paul */ 481080be03dSSean Paul list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 482080be03dSSean Paul manager = to_exynos_crtc(crtc)->manager; 483080be03dSSean Paul 484080be03dSSean Paul /* 485080be03dSSean Paul * wait for vblank interrupt 486080be03dSSean Paul * - this makes sure that overlay data are updated to 487080be03dSSean Paul * real hardware. 488080be03dSSean Paul */ 489080be03dSSean Paul if (manager->ops->wait_for_vblank) 490080be03dSSean Paul manager->ops->wait_for_vblank(manager); 491080be03dSSean Paul } 492080be03dSSean Paul } 493