18bb0daffSRob Clark /* 28bb0daffSRob Clark * drivers/gpu/drm/omapdrm/omap_plane.c 38bb0daffSRob Clark * 48bb0daffSRob Clark * Copyright (C) 2011 Texas Instruments 58bb0daffSRob Clark * Author: Rob Clark <rob.clark@linaro.org> 68bb0daffSRob Clark * 78bb0daffSRob Clark * This program is free software; you can redistribute it and/or modify it 88bb0daffSRob Clark * under the terms of the GNU General Public License version 2 as published by 98bb0daffSRob Clark * the Free Software Foundation. 108bb0daffSRob Clark * 118bb0daffSRob Clark * This program is distributed in the hope that it will be useful, but WITHOUT 128bb0daffSRob Clark * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 138bb0daffSRob Clark * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 148bb0daffSRob Clark * more details. 158bb0daffSRob Clark * 168bb0daffSRob Clark * You should have received a copy of the GNU General Public License along with 178bb0daffSRob Clark * this program. If not, see <http://www.gnu.org/licenses/>. 188bb0daffSRob Clark */ 198bb0daffSRob Clark 20c423bc85STomi Valkeinen #include <drm/drm_atomic.h> 2169a12263SLaurent Pinchart #include <drm/drm_atomic_helper.h> 22de8e4100SLaurent Pinchart #include <drm/drm_plane_helper.h> 2369a12263SLaurent Pinchart 248bb0daffSRob Clark #include "omap_dmm_tiler.h" 252d278f54SLaurent Pinchart #include "omap_drv.h" 268bb0daffSRob Clark 278bb0daffSRob Clark /* 288bb0daffSRob Clark * plane funcs 298bb0daffSRob Clark */ 308bb0daffSRob Clark 318bb0daffSRob Clark #define to_omap_plane(x) container_of(x, struct omap_plane, base) 328bb0daffSRob Clark 338bb0daffSRob Clark struct omap_plane { 348bb0daffSRob Clark struct drm_plane base; 35694c99cfSJyri Sarha enum omap_plane_id id; 368bb0daffSRob Clark const char *name; 378bb0daffSRob Clark }; 388bb0daffSRob Clark 3911ffd031STomi Valkeinen static int omap_plane_prepare_fb(struct drm_plane *plane, 401832040dSChris Wilson struct drm_plane_state *new_state) 4111ffd031STomi Valkeinen { 42844f9111SMaarten Lankhorst if (!new_state->fb) 43844f9111SMaarten Lankhorst return 0; 44844f9111SMaarten Lankhorst 45844f9111SMaarten Lankhorst return omap_framebuffer_pin(new_state->fb); 4611ffd031STomi Valkeinen } 4711ffd031STomi Valkeinen 4811ffd031STomi Valkeinen static void omap_plane_cleanup_fb(struct drm_plane *plane, 491832040dSChris Wilson struct drm_plane_state *old_state) 5011ffd031STomi Valkeinen { 51844f9111SMaarten Lankhorst if (old_state->fb) 52844f9111SMaarten Lankhorst omap_framebuffer_unpin(old_state->fb); 5311ffd031STomi Valkeinen } 5411ffd031STomi Valkeinen 5511ffd031STomi Valkeinen static void omap_plane_atomic_update(struct drm_plane *plane, 5611ffd031STomi Valkeinen struct drm_plane_state *old_state) 57afc34932SLaurent Pinchart { 589f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 59edc72557SLaurent Pinchart struct omap_plane *omap_plane = to_omap_plane(plane); 60edc72557SLaurent Pinchart struct drm_plane_state *state = plane->state; 61fb730c9bSLaurent Pinchart struct omap_overlay_info info; 628bb0daffSRob Clark int ret; 638bb0daffSRob Clark 64edc72557SLaurent Pinchart DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); 658bb0daffSRob Clark 66fb730c9bSLaurent Pinchart memset(&info, 0, sizeof(info)); 67517a8a95STomi Valkeinen info.rotation_type = OMAP_DSS_ROT_NONE; 680bd97c42STomi Valkeinen info.rotation = DRM_MODE_ROTATE_0; 69fb730c9bSLaurent Pinchart info.global_alpha = 0xff; 70fb730c9bSLaurent Pinchart info.mirror = 0; 71ba527c13SLaurent Pinchart info.zorder = state->zpos; 72fb730c9bSLaurent Pinchart 738bb0daffSRob Clark /* update scanout: */ 74218ed535STomi Valkeinen omap_framebuffer_update_scanout(state->fb, state, &info); 758bb0daffSRob Clark 76fb730c9bSLaurent Pinchart DBG("%dx%d -> %dx%d (%d)", info.width, info.height, 77fb730c9bSLaurent Pinchart info.out_width, info.out_height, 78fb730c9bSLaurent Pinchart info.screen_width); 79fb730c9bSLaurent Pinchart DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, 80fb730c9bSLaurent Pinchart &info.paddr, &info.p_uv_addr); 818bb0daffSRob Clark 828bb0daffSRob Clark /* and finally, update omapdss: */ 83be2d68c6STomi Valkeinen ret = priv->dispc_ops->ovl_setup(omap_plane->id, &info, 8449a3057aSTomi Valkeinen omap_crtc_timings(state->crtc), false, 8549a3057aSTomi Valkeinen omap_crtc_channel(state->crtc)); 86cfb73f20STomi Valkeinen if (ret) { 87cfb73f20STomi Valkeinen dev_err(plane->dev->dev, "Failed to setup plane %s\n", 88cfb73f20STomi Valkeinen omap_plane->name); 899f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, false); 90d9157dfdSTomi Valkeinen return; 91794a65ffSTomi Valkeinen } 928bb0daffSRob Clark 939f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, true); 94de8e4100SLaurent Pinchart } 95de8e4100SLaurent Pinchart 96de8e4100SLaurent Pinchart static void omap_plane_atomic_disable(struct drm_plane *plane, 97de8e4100SLaurent Pinchart struct drm_plane_state *old_state) 988bb0daffSRob Clark { 999f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 1008bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1012debab97SLaurent Pinchart 102c2c446adSRobert Foss plane->state->rotation = DRM_MODE_ROTATE_0; 103ba527c13SLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 10482e58855SLaurent Pinchart ? 0 : omap_plane->id; 10582e58855SLaurent Pinchart 1069f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, false); 1078bb0daffSRob Clark } 1088bb0daffSRob Clark 109c423bc85STomi Valkeinen static int omap_plane_atomic_check(struct drm_plane *plane, 110c423bc85STomi Valkeinen struct drm_plane_state *state) 111c423bc85STomi Valkeinen { 112c423bc85STomi Valkeinen struct drm_crtc_state *crtc_state; 113c423bc85STomi Valkeinen 11470dd2a62STomi Valkeinen if (!state->fb) 115c423bc85STomi Valkeinen return 0; 116c423bc85STomi Valkeinen 11770dd2a62STomi Valkeinen /* crtc should only be NULL when disabling (i.e., !state->fb) */ 11870dd2a62STomi Valkeinen if (WARN_ON(!state->crtc)) 11970dd2a62STomi Valkeinen return 0; 12070dd2a62STomi Valkeinen 12170dd2a62STomi Valkeinen crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc); 12270dd2a62STomi Valkeinen /* we should have a crtc state if the plane is attached to a crtc */ 12370dd2a62STomi Valkeinen if (WARN_ON(!crtc_state)) 12470dd2a62STomi Valkeinen return 0; 125c423bc85STomi Valkeinen 126aaf7642eSTomi Valkeinen if (!crtc_state->enable) 127aaf7642eSTomi Valkeinen return 0; 128aaf7642eSTomi Valkeinen 129c423bc85STomi Valkeinen if (state->crtc_x < 0 || state->crtc_y < 0) 130c423bc85STomi Valkeinen return -EINVAL; 131c423bc85STomi Valkeinen 132c423bc85STomi Valkeinen if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) 133c423bc85STomi Valkeinen return -EINVAL; 134c423bc85STomi Valkeinen 135c423bc85STomi Valkeinen if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) 136c423bc85STomi Valkeinen return -EINVAL; 137c423bc85STomi Valkeinen 138c2c446adSRobert Foss if (state->rotation != DRM_MODE_ROTATE_0 && 139bfeece55STomi Valkeinen !omap_framebuffer_supports_rotation(state->fb)) 140bfeece55STomi Valkeinen return -EINVAL; 141bfeece55STomi Valkeinen 142c423bc85STomi Valkeinen return 0; 143c423bc85STomi Valkeinen } 144c423bc85STomi Valkeinen 145de8e4100SLaurent Pinchart static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { 146de8e4100SLaurent Pinchart .prepare_fb = omap_plane_prepare_fb, 147de8e4100SLaurent Pinchart .cleanup_fb = omap_plane_cleanup_fb, 148c423bc85STomi Valkeinen .atomic_check = omap_plane_atomic_check, 149de8e4100SLaurent Pinchart .atomic_update = omap_plane_atomic_update, 150de8e4100SLaurent Pinchart .atomic_disable = omap_plane_atomic_disable, 151de8e4100SLaurent Pinchart }; 152de8e4100SLaurent Pinchart 1538bb0daffSRob Clark static void omap_plane_destroy(struct drm_plane *plane) 1548bb0daffSRob Clark { 1558bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1568bb0daffSRob Clark 1578bb0daffSRob Clark DBG("%s", omap_plane->name); 1588bb0daffSRob Clark 1598bb0daffSRob Clark drm_plane_cleanup(plane); 1608bb0daffSRob Clark 1618bb0daffSRob Clark kfree(omap_plane); 1628bb0daffSRob Clark } 1638bb0daffSRob Clark 1648bb0daffSRob Clark /* helper to install properties which are common to planes and crtcs */ 1658bb0daffSRob Clark void omap_plane_install_properties(struct drm_plane *plane, 1668bb0daffSRob Clark struct drm_mode_object *obj) 1678bb0daffSRob Clark { 1688bb0daffSRob Clark struct drm_device *dev = plane->dev; 1698bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 1708bb0daffSRob Clark 1718bb0daffSRob Clark if (priv->has_dmm) { 1720da88db1SVille Syrjälä if (!plane->rotation_property) 1730da88db1SVille Syrjälä drm_plane_create_rotation_property(plane, 174c2c446adSRobert Foss DRM_MODE_ROTATE_0, 175c2c446adSRobert Foss DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | 176c2c446adSRobert Foss DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | 177c2c446adSRobert Foss DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); 178e2cd09b2SLaurent Pinchart 1790da88db1SVille Syrjälä /* Attach the rotation property also to the crtc object */ 1800da88db1SVille Syrjälä if (plane->rotation_property && obj != &plane->base) 1810da88db1SVille Syrjälä drm_object_attach_property(obj, plane->rotation_property, 182c2c446adSRobert Foss DRM_MODE_ROTATE_0); 1838bb0daffSRob Clark } 1848bb0daffSRob Clark 185e2cd09b2SLaurent Pinchart drm_object_attach_property(obj, priv->zorder_prop, 0); 1868bb0daffSRob Clark } 1878bb0daffSRob Clark 188e07323cfSTomi Valkeinen static void omap_plane_reset(struct drm_plane *plane) 189e07323cfSTomi Valkeinen { 190e07323cfSTomi Valkeinen struct omap_plane *omap_plane = to_omap_plane(plane); 191e07323cfSTomi Valkeinen 192d980278bSLaurent Pinchart drm_atomic_helper_plane_reset(plane); 193d980278bSLaurent Pinchart if (!plane->state) 194e07323cfSTomi Valkeinen return; 195e07323cfSTomi Valkeinen 196e07323cfSTomi Valkeinen /* 197ba527c13SLaurent Pinchart * Set the zpos default depending on whether we are a primary or overlay 198e07323cfSTomi Valkeinen * plane. 199e07323cfSTomi Valkeinen */ 200d980278bSLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 201e07323cfSTomi Valkeinen ? 0 : omap_plane->id; 202e07323cfSTomi Valkeinen } 203e07323cfSTomi Valkeinen 204afc34932SLaurent Pinchart static int omap_plane_atomic_set_property(struct drm_plane *plane, 205afc34932SLaurent Pinchart struct drm_plane_state *state, 206afc34932SLaurent Pinchart struct drm_property *property, 207afc34932SLaurent Pinchart uint64_t val) 208afc34932SLaurent Pinchart { 209afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 210afc34932SLaurent Pinchart 211afc34932SLaurent Pinchart if (property == priv->zorder_prop) 212ba527c13SLaurent Pinchart state->zpos = val; 213afc34932SLaurent Pinchart else 214afc34932SLaurent Pinchart return -EINVAL; 215afc34932SLaurent Pinchart 216a42133a7SLaurent Pinchart return 0; 217afc34932SLaurent Pinchart } 218a42133a7SLaurent Pinchart 219afc34932SLaurent Pinchart static int omap_plane_atomic_get_property(struct drm_plane *plane, 220afc34932SLaurent Pinchart const struct drm_plane_state *state, 221afc34932SLaurent Pinchart struct drm_property *property, 222afc34932SLaurent Pinchart uint64_t *val) 223afc34932SLaurent Pinchart { 224afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 225a42133a7SLaurent Pinchart 226afc34932SLaurent Pinchart if (property == priv->zorder_prop) 227ba527c13SLaurent Pinchart *val = state->zpos; 228afc34932SLaurent Pinchart else 229afc34932SLaurent Pinchart return -EINVAL; 230afc34932SLaurent Pinchart 231afc34932SLaurent Pinchart return 0; 2328bb0daffSRob Clark } 2338bb0daffSRob Clark 2348bb0daffSRob Clark static const struct drm_plane_funcs omap_plane_funcs = { 235cef77d40SLaurent Pinchart .update_plane = drm_atomic_helper_update_plane, 236cef77d40SLaurent Pinchart .disable_plane = drm_atomic_helper_disable_plane, 237afc34932SLaurent Pinchart .reset = omap_plane_reset, 2388bb0daffSRob Clark .destroy = omap_plane_destroy, 239afc34932SLaurent Pinchart .set_property = drm_atomic_helper_plane_set_property, 240d980278bSLaurent Pinchart .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 241d980278bSLaurent Pinchart .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 242afc34932SLaurent Pinchart .atomic_set_property = omap_plane_atomic_set_property, 243afc34932SLaurent Pinchart .atomic_get_property = omap_plane_atomic_get_property, 2448bb0daffSRob Clark }; 2458bb0daffSRob Clark 246e8e13b15SJyri Sarha static const char *plane_id_to_name[] = { 2478bb0daffSRob Clark [OMAP_DSS_GFX] = "gfx", 2488bb0daffSRob Clark [OMAP_DSS_VIDEO1] = "vid1", 2498bb0daffSRob Clark [OMAP_DSS_VIDEO2] = "vid2", 2508bb0daffSRob Clark [OMAP_DSS_VIDEO3] = "vid3", 2518bb0daffSRob Clark }; 2528bb0daffSRob Clark 253e8e13b15SJyri Sarha static const enum omap_plane_id plane_idx_to_id[] = { 254e8e13b15SJyri Sarha OMAP_DSS_GFX, 255e8e13b15SJyri Sarha OMAP_DSS_VIDEO1, 256e8e13b15SJyri Sarha OMAP_DSS_VIDEO2, 257e8e13b15SJyri Sarha OMAP_DSS_VIDEO3, 258e8e13b15SJyri Sarha }; 259e8e13b15SJyri Sarha 2608bb0daffSRob Clark /* initialize plane */ 2618bb0daffSRob Clark struct drm_plane *omap_plane_init(struct drm_device *dev, 262e8e13b15SJyri Sarha int idx, enum drm_plane_type type, 263e43f2c33STomi Valkeinen u32 possible_crtcs) 2648bb0daffSRob Clark { 2659f759225STomi Valkeinen struct omap_drm_private *priv = dev->dev_private; 266dff6c246SLaurent Pinchart unsigned int num_planes = priv->dispc_ops->get_num_ovls(); 267ef6b0e02SLaurent Pinchart struct drm_plane *plane; 2688bb0daffSRob Clark struct omap_plane *omap_plane; 269e8e13b15SJyri Sarha enum omap_plane_id id; 270ef6b0e02SLaurent Pinchart int ret; 271eecad437STomi Valkeinen u32 nformats; 272eecad437STomi Valkeinen const u32 *formats; 2738bb0daffSRob Clark 274e8e13b15SJyri Sarha if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id))) 275e8e13b15SJyri Sarha return ERR_PTR(-EINVAL); 276e8e13b15SJyri Sarha 277e8e13b15SJyri Sarha id = plane_idx_to_id[idx]; 278e8e13b15SJyri Sarha 279e8e13b15SJyri Sarha DBG("%s: type=%d", plane_id_to_name[id], type); 2808bb0daffSRob Clark 2818bb0daffSRob Clark omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); 282fffddfd6SLinus Torvalds if (!omap_plane) 283fb9a35f8SLaurent Pinchart return ERR_PTR(-ENOMEM); 2848bb0daffSRob Clark 285eecad437STomi Valkeinen formats = priv->dispc_ops->ovl_get_color_modes(id); 286eecad437STomi Valkeinen for (nformats = 0; formats[nformats]; ++nformats) 287eecad437STomi Valkeinen ; 2888bb0daffSRob Clark omap_plane->id = id; 289e8e13b15SJyri Sarha omap_plane->name = plane_id_to_name[id]; 2908bb0daffSRob Clark 2918bb0daffSRob Clark plane = &omap_plane->base; 2928bb0daffSRob Clark 293e43f2c33STomi Valkeinen ret = drm_universal_plane_init(dev, plane, possible_crtcs, 294eecad437STomi Valkeinen &omap_plane_funcs, formats, 295eecad437STomi Valkeinen nformats, type, NULL); 296ef6b0e02SLaurent Pinchart if (ret < 0) 297ef6b0e02SLaurent Pinchart goto error; 2988bb0daffSRob Clark 299de8e4100SLaurent Pinchart drm_plane_helper_add(plane, &omap_plane_helper_funcs); 300de8e4100SLaurent Pinchart 3018bb0daffSRob Clark omap_plane_install_properties(plane, &plane->base); 302dff6c246SLaurent Pinchart drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); 3038bb0daffSRob Clark 3048bb0daffSRob Clark return plane; 305ef6b0e02SLaurent Pinchart 306ef6b0e02SLaurent Pinchart error: 307e8e13b15SJyri Sarha dev_err(dev->dev, "%s(): could not create plane: %s\n", 308e8e13b15SJyri Sarha __func__, plane_id_to_name[id]); 309e8e13b15SJyri Sarha 310ef6b0e02SLaurent Pinchart kfree(omap_plane); 311ef6b0e02SLaurent Pinchart return NULL; 3128bb0daffSRob Clark } 313