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 * 91c248b7dSInki Dae * Permission is hereby granted, free of charge, to any person obtaining a 101c248b7dSInki Dae * copy of this software and associated documentation files (the "Software"), 111c248b7dSInki Dae * to deal in the Software without restriction, including without limitation 121c248b7dSInki Dae * the rights to use, copy, modify, merge, publish, distribute, sublicense, 131c248b7dSInki Dae * and/or sell copies of the Software, and to permit persons to whom the 141c248b7dSInki Dae * Software is furnished to do so, subject to the following conditions: 151c248b7dSInki Dae * 161c248b7dSInki Dae * The above copyright notice and this permission notice (including the next 171c248b7dSInki Dae * paragraph) shall be included in all copies or substantial portions of the 181c248b7dSInki Dae * Software. 191c248b7dSInki Dae * 201c248b7dSInki Dae * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 211c248b7dSInki Dae * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 221c248b7dSInki Dae * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 231c248b7dSInki Dae * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 241c248b7dSInki Dae * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 251c248b7dSInki Dae * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 261c248b7dSInki Dae * OTHER DEALINGS IN THE SOFTWARE. 271c248b7dSInki Dae */ 281c248b7dSInki Dae 291c248b7dSInki Dae #include "drmP.h" 301c248b7dSInki Dae #include "drm_crtc_helper.h" 311c248b7dSInki Dae 322c871127SInki Dae #include "exynos_drm_crtc.h" 331c248b7dSInki Dae #include "exynos_drm_drv.h" 341c248b7dSInki Dae #include "exynos_drm_fb.h" 351c248b7dSInki Dae #include "exynos_drm_encoder.h" 362c871127SInki Dae #include "exynos_drm_gem.h" 3719c8b834SInki Dae #include "exynos_drm_buf.h" 381c248b7dSInki Dae 391c248b7dSInki Dae #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ 401c248b7dSInki Dae drm_crtc) 411c248b7dSInki Dae 421c248b7dSInki Dae /* 431c248b7dSInki Dae * Exynos specific crtc structure. 441c248b7dSInki Dae * 451c248b7dSInki Dae * @drm_crtc: crtc object. 461c248b7dSInki Dae * @overlay: contain information common to display controller and hdmi and 471c248b7dSInki Dae * contents of this overlay object would be copied to sub driver size. 481c248b7dSInki Dae * @pipe: a crtc index created at load() with a new crtc object creation 491c248b7dSInki Dae * and the crtc object would be set to private->crtc array 501c248b7dSInki Dae * to get a crtc object corresponding to this pipe from private->crtc 511c248b7dSInki Dae * array when irq interrupt occured. the reason of using this pipe is that 521c248b7dSInki Dae * drm framework doesn't support multiple irq yet. 531c248b7dSInki Dae * we can refer to the crtc to current hardware interrupt occured through 541c248b7dSInki Dae * this pipe value. 55ec05da95SInki Dae * @dpms: store the crtc dpms value 561c248b7dSInki Dae */ 571c248b7dSInki Dae struct exynos_drm_crtc { 581c248b7dSInki Dae struct drm_crtc drm_crtc; 591c248b7dSInki Dae struct exynos_drm_overlay overlay; 601c248b7dSInki Dae unsigned int pipe; 61ec05da95SInki Dae unsigned int dpms; 621c248b7dSInki Dae }; 631c248b7dSInki Dae 648e9cc6a1SInki Dae static void exynos_drm_crtc_apply(struct drm_crtc *crtc) 651c248b7dSInki Dae { 661c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 671c248b7dSInki Dae struct exynos_drm_overlay *overlay = &exynos_crtc->overlay; 681c248b7dSInki Dae 691c248b7dSInki Dae exynos_drm_fn_encoder(crtc, overlay, 701c248b7dSInki Dae exynos_drm_encoder_crtc_mode_set); 71d2716c89SJoonyoung Shim exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, 72d2716c89SJoonyoung Shim exynos_drm_encoder_crtc_commit); 731c248b7dSInki Dae } 741c248b7dSInki Dae 752c871127SInki Dae int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, 761c248b7dSInki Dae struct drm_framebuffer *fb, 771c248b7dSInki Dae struct drm_display_mode *mode, 781c248b7dSInki Dae struct exynos_drm_crtc_pos *pos) 791c248b7dSInki Dae { 802c871127SInki Dae struct exynos_drm_gem_buf *buffer; 8119c8b834SInki Dae unsigned int actual_w; 8219c8b834SInki Dae unsigned int actual_h; 831c248b7dSInki Dae 842c871127SInki Dae buffer = exynos_drm_fb_get_buf(fb); 852c871127SInki Dae if (!buffer) { 862c871127SInki Dae DRM_LOG_KMS("buffer is null.\n"); 8719c8b834SInki Dae return -EFAULT; 8819c8b834SInki Dae } 891c248b7dSInki Dae 902c871127SInki Dae overlay->dma_addr = buffer->dma_addr; 912c871127SInki Dae overlay->vaddr = buffer->kvaddr; 921c248b7dSInki Dae 932c871127SInki Dae DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", 9419c8b834SInki Dae (unsigned long)overlay->vaddr, 952c871127SInki Dae (unsigned long)overlay->dma_addr); 961c248b7dSInki Dae 9719c8b834SInki Dae actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w); 9819c8b834SInki Dae actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h); 9919c8b834SInki Dae 10019c8b834SInki Dae /* set drm framebuffer data. */ 10119c8b834SInki Dae overlay->fb_x = pos->fb_x; 10219c8b834SInki Dae overlay->fb_y = pos->fb_y; 10319c8b834SInki Dae overlay->fb_width = fb->width; 10419c8b834SInki Dae overlay->fb_height = fb->height; 1051c248b7dSInki Dae overlay->bpp = fb->bits_per_pixel; 10601f2c773SVille Syrjälä overlay->pitch = fb->pitches[0]; 10719c8b834SInki Dae 10819c8b834SInki Dae /* set overlay range to be displayed. */ 10919c8b834SInki Dae overlay->crtc_x = pos->crtc_x; 11019c8b834SInki Dae overlay->crtc_y = pos->crtc_y; 11119c8b834SInki Dae overlay->crtc_width = actual_w; 11219c8b834SInki Dae overlay->crtc_height = actual_h; 11319c8b834SInki Dae 11419c8b834SInki Dae /* set drm mode data. */ 11519c8b834SInki Dae overlay->mode_width = mode->hdisplay; 11619c8b834SInki Dae overlay->mode_height = mode->vdisplay; 11719c8b834SInki Dae overlay->refresh = mode->vrefresh; 11819c8b834SInki Dae overlay->scan_flag = mode->flags; 1191c248b7dSInki Dae 1201c248b7dSInki Dae DRM_DEBUG_KMS("overlay : offset_x/y(%d,%d), width/height(%d,%d)", 12119c8b834SInki Dae overlay->crtc_x, overlay->crtc_y, 12219c8b834SInki Dae overlay->crtc_width, overlay->crtc_height); 1231c248b7dSInki Dae 12419c8b834SInki Dae return 0; 1251c248b7dSInki Dae } 1261c248b7dSInki Dae 1271c248b7dSInki Dae static int exynos_drm_crtc_update(struct drm_crtc *crtc) 1281c248b7dSInki Dae { 1291c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 1301c248b7dSInki Dae struct exynos_drm_overlay *overlay; 1311c248b7dSInki Dae struct exynos_drm_crtc_pos pos; 1321c248b7dSInki Dae struct drm_display_mode *mode = &crtc->mode; 1331c248b7dSInki Dae struct drm_framebuffer *fb = crtc->fb; 1341c248b7dSInki Dae 1351c248b7dSInki Dae if (!mode || !fb) 1361c248b7dSInki Dae return -EINVAL; 1371c248b7dSInki Dae 1381c248b7dSInki Dae exynos_crtc = to_exynos_crtc(crtc); 1391c248b7dSInki Dae overlay = &exynos_crtc->overlay; 1401c248b7dSInki Dae 1411c248b7dSInki Dae memset(&pos, 0, sizeof(struct exynos_drm_crtc_pos)); 14219c8b834SInki Dae 14319c8b834SInki Dae /* it means the offset of framebuffer to be displayed. */ 1441c248b7dSInki Dae pos.fb_x = crtc->x; 1451c248b7dSInki Dae pos.fb_y = crtc->y; 14619c8b834SInki Dae 14719c8b834SInki Dae /* OSD position to be displayed. */ 14819c8b834SInki Dae pos.crtc_x = 0; 14919c8b834SInki Dae pos.crtc_y = 0; 1501c248b7dSInki Dae pos.crtc_w = fb->width - crtc->x; 1511c248b7dSInki Dae pos.crtc_h = fb->height - crtc->y; 1521c248b7dSInki Dae 15319c8b834SInki Dae return exynos_drm_overlay_update(overlay, crtc->fb, mode, &pos); 1541c248b7dSInki Dae } 1551c248b7dSInki Dae 1561c248b7dSInki Dae static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode) 1571c248b7dSInki Dae { 158ec05da95SInki Dae struct drm_device *dev = crtc->dev; 159d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 1601c248b7dSInki Dae 161d2716c89SJoonyoung Shim DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode); 162d2716c89SJoonyoung Shim 163ec05da95SInki Dae if (exynos_crtc->dpms == mode) { 164ec05da95SInki Dae DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n"); 165ec05da95SInki Dae return; 166ec05da95SInki Dae } 167ec05da95SInki Dae 168ec05da95SInki Dae mutex_lock(&dev->struct_mutex); 169ec05da95SInki Dae 170d2716c89SJoonyoung Shim switch (mode) { 171d2716c89SJoonyoung Shim case DRM_MODE_DPMS_ON: 172ec05da95SInki Dae exynos_drm_fn_encoder(crtc, &mode, 173ec05da95SInki Dae exynos_drm_encoder_crtc_dpms); 174ec05da95SInki Dae exynos_crtc->dpms = mode; 175d2716c89SJoonyoung Shim break; 176d2716c89SJoonyoung Shim case DRM_MODE_DPMS_STANDBY: 177d2716c89SJoonyoung Shim case DRM_MODE_DPMS_SUSPEND: 178d2716c89SJoonyoung Shim case DRM_MODE_DPMS_OFF: 179ec05da95SInki Dae exynos_drm_fn_encoder(crtc, &mode, 180ec05da95SInki Dae exynos_drm_encoder_crtc_dpms); 181ec05da95SInki Dae exynos_crtc->dpms = mode; 182d2716c89SJoonyoung Shim break; 183d2716c89SJoonyoung Shim default: 184ec05da95SInki Dae DRM_ERROR("unspecified mode %d\n", mode); 185d2716c89SJoonyoung Shim break; 186d2716c89SJoonyoung Shim } 187ec05da95SInki Dae 188ec05da95SInki Dae mutex_unlock(&dev->struct_mutex); 1891c248b7dSInki Dae } 1901c248b7dSInki Dae 1911c248b7dSInki Dae static void exynos_drm_crtc_prepare(struct drm_crtc *crtc) 1921c248b7dSInki Dae { 1931c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 1941c248b7dSInki Dae 1951c248b7dSInki Dae /* drm framework doesn't check NULL. */ 1961c248b7dSInki Dae } 1971c248b7dSInki Dae 1981c248b7dSInki Dae static void exynos_drm_crtc_commit(struct drm_crtc *crtc) 1991c248b7dSInki Dae { 200d2716c89SJoonyoung Shim struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 201d2716c89SJoonyoung Shim 2021c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2031c248b7dSInki Dae 204ec05da95SInki Dae /* 205ec05da95SInki Dae * when set_crtc is requested from user or at booting time, 206ec05da95SInki Dae * crtc->commit would be called without dpms call so if dpms is 207ec05da95SInki Dae * no power on then crtc->dpms should be called 208ec05da95SInki Dae * with DRM_MODE_DPMS_ON for the hardware power to be on. 209ec05da95SInki Dae */ 210ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) { 211ec05da95SInki Dae int mode = DRM_MODE_DPMS_ON; 212ec05da95SInki Dae 213ec05da95SInki Dae /* 214ec05da95SInki Dae * enable hardware(power on) to all encoders hdmi connected 215ec05da95SInki Dae * to current crtc. 216ec05da95SInki Dae */ 217ec05da95SInki Dae exynos_drm_crtc_dpms(crtc, mode); 218ec05da95SInki Dae /* 219ec05da95SInki Dae * enable dma to all encoders connected to current crtc and 220ec05da95SInki Dae * lcd panel. 221ec05da95SInki Dae */ 222ec05da95SInki Dae exynos_drm_fn_encoder(crtc, &mode, 223ec05da95SInki Dae exynos_drm_encoder_dpms_from_crtc); 224ec05da95SInki Dae } 225ec05da95SInki Dae 226d2716c89SJoonyoung Shim exynos_drm_fn_encoder(crtc, &exynos_crtc->pipe, 227d2716c89SJoonyoung Shim exynos_drm_encoder_crtc_commit); 2281c248b7dSInki Dae } 2291c248b7dSInki Dae 2301c248b7dSInki Dae static bool 2311c248b7dSInki Dae exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc, 2321c248b7dSInki Dae struct drm_display_mode *mode, 2331c248b7dSInki Dae struct drm_display_mode *adjusted_mode) 2341c248b7dSInki Dae { 2351c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2361c248b7dSInki Dae 2371c248b7dSInki Dae /* drm framework doesn't check NULL */ 2381c248b7dSInki Dae return true; 2391c248b7dSInki Dae } 2401c248b7dSInki Dae 2411c248b7dSInki Dae static int 2421c248b7dSInki Dae exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, 2431c248b7dSInki Dae struct drm_display_mode *adjusted_mode, int x, int y, 2441c248b7dSInki Dae struct drm_framebuffer *old_fb) 2451c248b7dSInki Dae { 2461c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2471c248b7dSInki Dae 2481c248b7dSInki Dae mode = adjusted_mode; 2491c248b7dSInki Dae 2501c248b7dSInki Dae return exynos_drm_crtc_update(crtc); 2511c248b7dSInki Dae } 2521c248b7dSInki Dae 2531c248b7dSInki Dae static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 2541c248b7dSInki Dae struct drm_framebuffer *old_fb) 2551c248b7dSInki Dae { 2561c248b7dSInki Dae int ret; 2571c248b7dSInki Dae 2581c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2591c248b7dSInki Dae 2601c248b7dSInki Dae ret = exynos_drm_crtc_update(crtc); 2611c248b7dSInki Dae if (ret) 2621c248b7dSInki Dae return ret; 2631c248b7dSInki Dae 2641c248b7dSInki Dae exynos_drm_crtc_apply(crtc); 2651c248b7dSInki Dae 2661c248b7dSInki Dae return ret; 2671c248b7dSInki Dae } 2681c248b7dSInki Dae 2691c248b7dSInki Dae static void exynos_drm_crtc_load_lut(struct drm_crtc *crtc) 2701c248b7dSInki Dae { 2711c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2721c248b7dSInki Dae /* drm framework doesn't check NULL */ 2731c248b7dSInki Dae } 2741c248b7dSInki Dae 2751c248b7dSInki Dae static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { 2761c248b7dSInki Dae .dpms = exynos_drm_crtc_dpms, 2771c248b7dSInki Dae .prepare = exynos_drm_crtc_prepare, 2781c248b7dSInki Dae .commit = exynos_drm_crtc_commit, 2791c248b7dSInki Dae .mode_fixup = exynos_drm_crtc_mode_fixup, 2801c248b7dSInki Dae .mode_set = exynos_drm_crtc_mode_set, 2811c248b7dSInki Dae .mode_set_base = exynos_drm_crtc_mode_set_base, 2821c248b7dSInki Dae .load_lut = exynos_drm_crtc_load_lut, 2831c248b7dSInki Dae }; 2841c248b7dSInki Dae 2851c248b7dSInki Dae static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, 2861c248b7dSInki Dae struct drm_framebuffer *fb, 2871c248b7dSInki Dae struct drm_pending_vblank_event *event) 2881c248b7dSInki Dae { 2891c248b7dSInki Dae struct drm_device *dev = crtc->dev; 2901c248b7dSInki Dae struct exynos_drm_private *dev_priv = dev->dev_private; 2911c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 2921c248b7dSInki Dae struct drm_framebuffer *old_fb = crtc->fb; 2931c248b7dSInki Dae int ret = -EINVAL; 2941c248b7dSInki Dae 2951c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 2961c248b7dSInki Dae 2971c248b7dSInki Dae mutex_lock(&dev->struct_mutex); 2981c248b7dSInki Dae 299ccf4d883SInki Dae if (event) { 300ccf4d883SInki Dae /* 301ccf4d883SInki Dae * the pipe from user always is 0 so we can set pipe number 302ccf4d883SInki Dae * of current owner to event. 303ccf4d883SInki Dae */ 304ccf4d883SInki Dae event->pipe = exynos_crtc->pipe; 305ccf4d883SInki Dae 3061c248b7dSInki Dae list_add_tail(&event->base.link, 3071c248b7dSInki Dae &dev_priv->pageflip_event_list); 3081c248b7dSInki Dae 3091c248b7dSInki Dae ret = drm_vblank_get(dev, exynos_crtc->pipe); 3101c248b7dSInki Dae if (ret) { 3111c248b7dSInki Dae DRM_DEBUG("failed to acquire vblank counter\n"); 312ccf4d883SInki Dae list_del(&event->base.link); 313ccf4d883SInki Dae 3141c248b7dSInki Dae goto out; 3151c248b7dSInki Dae } 3161c248b7dSInki Dae 3171c248b7dSInki Dae crtc->fb = fb; 3181c248b7dSInki Dae ret = exynos_drm_crtc_update(crtc); 3191c248b7dSInki Dae if (ret) { 3201c248b7dSInki Dae crtc->fb = old_fb; 3211c248b7dSInki Dae drm_vblank_put(dev, exynos_crtc->pipe); 322ccf4d883SInki Dae list_del(&event->base.link); 3231c248b7dSInki Dae 3241c248b7dSInki Dae goto out; 3251c248b7dSInki Dae } 3261c248b7dSInki Dae 327f6b98252SInki Dae /* 328f6b98252SInki Dae * the values related to a buffer of the drm framebuffer 329f6b98252SInki Dae * to be applied should be set at here. because these values 330ccf4d883SInki Dae * first, are set to shadow registers and then to 331f6b98252SInki Dae * real registers at vsync front porch period. 332f6b98252SInki Dae */ 3338e9cc6a1SInki Dae exynos_drm_crtc_apply(crtc); 3341c248b7dSInki Dae } 3351c248b7dSInki Dae out: 3361c248b7dSInki Dae mutex_unlock(&dev->struct_mutex); 3371c248b7dSInki Dae return ret; 3381c248b7dSInki Dae } 3391c248b7dSInki Dae 3401c248b7dSInki Dae static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) 3411c248b7dSInki Dae { 3421c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 3431c248b7dSInki Dae struct exynos_drm_private *private = crtc->dev->dev_private; 3441c248b7dSInki Dae 3451c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3461c248b7dSInki Dae 3471c248b7dSInki Dae private->crtc[exynos_crtc->pipe] = NULL; 3481c248b7dSInki Dae 3491c248b7dSInki Dae drm_crtc_cleanup(crtc); 3501c248b7dSInki Dae kfree(exynos_crtc); 3511c248b7dSInki Dae } 3521c248b7dSInki Dae 3531c248b7dSInki Dae static struct drm_crtc_funcs exynos_crtc_funcs = { 3541c248b7dSInki Dae .set_config = drm_crtc_helper_set_config, 3551c248b7dSInki Dae .page_flip = exynos_drm_crtc_page_flip, 3561c248b7dSInki Dae .destroy = exynos_drm_crtc_destroy, 3571c248b7dSInki Dae }; 3581c248b7dSInki Dae 3591c248b7dSInki Dae struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_device *dev, 3601c248b7dSInki Dae struct drm_crtc *crtc) 3611c248b7dSInki Dae { 3621c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); 3631c248b7dSInki Dae 3641c248b7dSInki Dae return &exynos_crtc->overlay; 3651c248b7dSInki Dae } 3661c248b7dSInki Dae 3671c248b7dSInki Dae int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr) 3681c248b7dSInki Dae { 3691c248b7dSInki Dae struct exynos_drm_crtc *exynos_crtc; 3701c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 3711c248b7dSInki Dae struct drm_crtc *crtc; 3721c248b7dSInki Dae 3731c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 3741c248b7dSInki Dae 3751c248b7dSInki Dae exynos_crtc = kzalloc(sizeof(*exynos_crtc), GFP_KERNEL); 3761c248b7dSInki Dae if (!exynos_crtc) { 3771c248b7dSInki Dae DRM_ERROR("failed to allocate exynos crtc\n"); 3781c248b7dSInki Dae return -ENOMEM; 3791c248b7dSInki Dae } 3801c248b7dSInki Dae 3811c248b7dSInki Dae exynos_crtc->pipe = nr; 382ec05da95SInki Dae exynos_crtc->dpms = DRM_MODE_DPMS_OFF; 383864ee9e6SJoonyoung Shim exynos_crtc->overlay.zpos = DEFAULT_ZPOS; 3841c248b7dSInki Dae crtc = &exynos_crtc->drm_crtc; 3851c248b7dSInki Dae 3861c248b7dSInki Dae private->crtc[nr] = crtc; 3871c248b7dSInki Dae 3881c248b7dSInki Dae drm_crtc_init(dev, crtc, &exynos_crtc_funcs); 3891c248b7dSInki Dae drm_crtc_helper_add(crtc, &exynos_crtc_helper_funcs); 3901c248b7dSInki Dae 3911c248b7dSInki Dae return 0; 3921c248b7dSInki Dae } 3931c248b7dSInki Dae 3941c248b7dSInki Dae int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc) 3951c248b7dSInki Dae { 3961c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 397ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 398ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 3991c248b7dSInki Dae 4001c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 4011c248b7dSInki Dae 402ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 403ec05da95SInki Dae return -EPERM; 404ec05da95SInki Dae 4051c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 4061c248b7dSInki Dae exynos_drm_enable_vblank); 4071c248b7dSInki Dae 4081c248b7dSInki Dae return 0; 4091c248b7dSInki Dae } 4101c248b7dSInki Dae 4111c248b7dSInki Dae void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc) 4121c248b7dSInki Dae { 4131c248b7dSInki Dae struct exynos_drm_private *private = dev->dev_private; 414ec05da95SInki Dae struct exynos_drm_crtc *exynos_crtc = 415ec05da95SInki Dae to_exynos_crtc(private->crtc[crtc]); 4161c248b7dSInki Dae 4171c248b7dSInki Dae DRM_DEBUG_KMS("%s\n", __FILE__); 4181c248b7dSInki Dae 419ec05da95SInki Dae if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) 420ec05da95SInki Dae return; 421ec05da95SInki Dae 4221c248b7dSInki Dae exynos_drm_fn_encoder(private->crtc[crtc], &crtc, 4231c248b7dSInki Dae exynos_drm_disable_vblank); 4241c248b7dSInki Dae } 4251c248b7dSInki Dae 4261c248b7dSInki Dae MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); 4271c248b7dSInki Dae MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); 4281c248b7dSInki Dae MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); 4291c248b7dSInki Dae MODULE_DESCRIPTION("Samsung SoC DRM CRTC Driver"); 4301c248b7dSInki Dae MODULE_LICENSE("GPL"); 431