18bb0daffSRob Clark /* 2bb5cdf8dSAndrew F. Davis * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 38bb0daffSRob Clark * Author: Rob Clark <rob.clark@linaro.org> 48bb0daffSRob Clark * 58bb0daffSRob Clark * This program is free software; you can redistribute it and/or modify it 68bb0daffSRob Clark * under the terms of the GNU General Public License version 2 as published by 78bb0daffSRob Clark * the Free Software Foundation. 88bb0daffSRob Clark * 98bb0daffSRob Clark * This program is distributed in the hope that it will be useful, but WITHOUT 108bb0daffSRob Clark * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 118bb0daffSRob Clark * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 128bb0daffSRob Clark * more details. 138bb0daffSRob Clark * 148bb0daffSRob Clark * You should have received a copy of the GNU General Public License along with 158bb0daffSRob Clark * this program. If not, see <http://www.gnu.org/licenses/>. 168bb0daffSRob Clark */ 178bb0daffSRob Clark 18c423bc85STomi Valkeinen #include <drm/drm_atomic.h> 1969a12263SLaurent Pinchart #include <drm/drm_atomic_helper.h> 20de8e4100SLaurent Pinchart #include <drm/drm_plane_helper.h> 2169a12263SLaurent Pinchart 228bb0daffSRob Clark #include "omap_dmm_tiler.h" 232d278f54SLaurent Pinchart #include "omap_drv.h" 248bb0daffSRob Clark 258bb0daffSRob Clark /* 268bb0daffSRob Clark * plane funcs 278bb0daffSRob Clark */ 288bb0daffSRob Clark 298bb0daffSRob Clark #define to_omap_plane(x) container_of(x, struct omap_plane, base) 308bb0daffSRob Clark 318bb0daffSRob Clark struct omap_plane { 328bb0daffSRob Clark struct drm_plane base; 33694c99cfSJyri Sarha enum omap_plane_id id; 348bb0daffSRob Clark const char *name; 358bb0daffSRob Clark }; 368bb0daffSRob Clark 3711ffd031STomi Valkeinen static int omap_plane_prepare_fb(struct drm_plane *plane, 381832040dSChris Wilson struct drm_plane_state *new_state) 3911ffd031STomi Valkeinen { 40844f9111SMaarten Lankhorst if (!new_state->fb) 41844f9111SMaarten Lankhorst return 0; 42844f9111SMaarten Lankhorst 43844f9111SMaarten Lankhorst return omap_framebuffer_pin(new_state->fb); 4411ffd031STomi Valkeinen } 4511ffd031STomi Valkeinen 4611ffd031STomi Valkeinen static void omap_plane_cleanup_fb(struct drm_plane *plane, 471832040dSChris Wilson struct drm_plane_state *old_state) 4811ffd031STomi Valkeinen { 49844f9111SMaarten Lankhorst if (old_state->fb) 50844f9111SMaarten Lankhorst omap_framebuffer_unpin(old_state->fb); 5111ffd031STomi Valkeinen } 5211ffd031STomi Valkeinen 5311ffd031STomi Valkeinen static void omap_plane_atomic_update(struct drm_plane *plane, 5411ffd031STomi Valkeinen struct drm_plane_state *old_state) 55afc34932SLaurent Pinchart { 569f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 57edc72557SLaurent Pinchart struct omap_plane *omap_plane = to_omap_plane(plane); 58edc72557SLaurent Pinchart struct drm_plane_state *state = plane->state; 59fb730c9bSLaurent Pinchart struct omap_overlay_info info; 608bb0daffSRob Clark int ret; 618bb0daffSRob Clark 62edc72557SLaurent Pinchart DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); 638bb0daffSRob Clark 64fb730c9bSLaurent Pinchart memset(&info, 0, sizeof(info)); 65517a8a95STomi Valkeinen info.rotation_type = OMAP_DSS_ROT_NONE; 660bd97c42STomi Valkeinen info.rotation = DRM_MODE_ROTATE_0; 67fb730c9bSLaurent Pinchart info.global_alpha = 0xff; 68ba527c13SLaurent Pinchart info.zorder = state->zpos; 69fb730c9bSLaurent Pinchart 708bb0daffSRob Clark /* update scanout: */ 71218ed535STomi Valkeinen omap_framebuffer_update_scanout(state->fb, state, &info); 728bb0daffSRob Clark 73fb730c9bSLaurent Pinchart DBG("%dx%d -> %dx%d (%d)", info.width, info.height, 74fb730c9bSLaurent Pinchart info.out_width, info.out_height, 75fb730c9bSLaurent Pinchart info.screen_width); 76fb730c9bSLaurent Pinchart DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, 77fb730c9bSLaurent Pinchart &info.paddr, &info.p_uv_addr); 788bb0daffSRob Clark 798bb0daffSRob Clark /* and finally, update omapdss: */ 80be2d68c6STomi Valkeinen ret = priv->dispc_ops->ovl_setup(omap_plane->id, &info, 8149a3057aSTomi Valkeinen omap_crtc_timings(state->crtc), false, 8249a3057aSTomi Valkeinen omap_crtc_channel(state->crtc)); 83cfb73f20STomi Valkeinen if (ret) { 84cfb73f20STomi Valkeinen dev_err(plane->dev->dev, "Failed to setup plane %s\n", 85cfb73f20STomi Valkeinen omap_plane->name); 869f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, false); 87d9157dfdSTomi Valkeinen return; 88794a65ffSTomi Valkeinen } 898bb0daffSRob Clark 909f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, true); 91de8e4100SLaurent Pinchart } 92de8e4100SLaurent Pinchart 93de8e4100SLaurent Pinchart static void omap_plane_atomic_disable(struct drm_plane *plane, 94de8e4100SLaurent Pinchart struct drm_plane_state *old_state) 958bb0daffSRob Clark { 969f759225STomi Valkeinen struct omap_drm_private *priv = plane->dev->dev_private; 978bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 982debab97SLaurent Pinchart 99c2c446adSRobert Foss plane->state->rotation = DRM_MODE_ROTATE_0; 100ba527c13SLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 10182e58855SLaurent Pinchart ? 0 : omap_plane->id; 10282e58855SLaurent Pinchart 1039f759225STomi Valkeinen priv->dispc_ops->ovl_enable(omap_plane->id, false); 1048bb0daffSRob Clark } 1058bb0daffSRob Clark 106c423bc85STomi Valkeinen static int omap_plane_atomic_check(struct drm_plane *plane, 107c423bc85STomi Valkeinen struct drm_plane_state *state) 108c423bc85STomi Valkeinen { 109c423bc85STomi Valkeinen struct drm_crtc_state *crtc_state; 110c423bc85STomi Valkeinen 11170dd2a62STomi Valkeinen if (!state->fb) 112c423bc85STomi Valkeinen return 0; 113c423bc85STomi Valkeinen 11470dd2a62STomi Valkeinen /* crtc should only be NULL when disabling (i.e., !state->fb) */ 11570dd2a62STomi Valkeinen if (WARN_ON(!state->crtc)) 11670dd2a62STomi Valkeinen return 0; 11770dd2a62STomi Valkeinen 11870dd2a62STomi Valkeinen crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc); 11970dd2a62STomi Valkeinen /* we should have a crtc state if the plane is attached to a crtc */ 12070dd2a62STomi Valkeinen if (WARN_ON(!crtc_state)) 12170dd2a62STomi Valkeinen return 0; 122c423bc85STomi Valkeinen 123aaf7642eSTomi Valkeinen if (!crtc_state->enable) 124aaf7642eSTomi Valkeinen return 0; 125aaf7642eSTomi Valkeinen 126c423bc85STomi Valkeinen if (state->crtc_x < 0 || state->crtc_y < 0) 127c423bc85STomi Valkeinen return -EINVAL; 128c423bc85STomi Valkeinen 129c423bc85STomi Valkeinen if (state->crtc_x + state->crtc_w > crtc_state->adjusted_mode.hdisplay) 130c423bc85STomi Valkeinen return -EINVAL; 131c423bc85STomi Valkeinen 132c423bc85STomi Valkeinen if (state->crtc_y + state->crtc_h > crtc_state->adjusted_mode.vdisplay) 133c423bc85STomi Valkeinen return -EINVAL; 134c423bc85STomi Valkeinen 135c2c446adSRobert Foss if (state->rotation != DRM_MODE_ROTATE_0 && 136bfeece55STomi Valkeinen !omap_framebuffer_supports_rotation(state->fb)) 137bfeece55STomi Valkeinen return -EINVAL; 138bfeece55STomi Valkeinen 139c423bc85STomi Valkeinen return 0; 140c423bc85STomi Valkeinen } 141c423bc85STomi Valkeinen 142de8e4100SLaurent Pinchart static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { 143de8e4100SLaurent Pinchart .prepare_fb = omap_plane_prepare_fb, 144de8e4100SLaurent Pinchart .cleanup_fb = omap_plane_cleanup_fb, 145c423bc85STomi Valkeinen .atomic_check = omap_plane_atomic_check, 146de8e4100SLaurent Pinchart .atomic_update = omap_plane_atomic_update, 147de8e4100SLaurent Pinchart .atomic_disable = omap_plane_atomic_disable, 148de8e4100SLaurent Pinchart }; 149de8e4100SLaurent Pinchart 1508bb0daffSRob Clark static void omap_plane_destroy(struct drm_plane *plane) 1518bb0daffSRob Clark { 1528bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1538bb0daffSRob Clark 1548bb0daffSRob Clark DBG("%s", omap_plane->name); 1558bb0daffSRob Clark 1568bb0daffSRob Clark drm_plane_cleanup(plane); 1578bb0daffSRob Clark 1588bb0daffSRob Clark kfree(omap_plane); 1598bb0daffSRob Clark } 1608bb0daffSRob Clark 1618bb0daffSRob Clark /* helper to install properties which are common to planes and crtcs */ 1628bb0daffSRob Clark void omap_plane_install_properties(struct drm_plane *plane, 1638bb0daffSRob Clark struct drm_mode_object *obj) 1648bb0daffSRob Clark { 1658bb0daffSRob Clark struct drm_device *dev = plane->dev; 1668bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 1678bb0daffSRob Clark 1688bb0daffSRob Clark if (priv->has_dmm) { 1690da88db1SVille Syrjälä if (!plane->rotation_property) 1700da88db1SVille Syrjälä drm_plane_create_rotation_property(plane, 171c2c446adSRobert Foss DRM_MODE_ROTATE_0, 172c2c446adSRobert Foss DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | 173c2c446adSRobert Foss DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | 174c2c446adSRobert Foss DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); 175e2cd09b2SLaurent Pinchart 1760da88db1SVille Syrjälä /* Attach the rotation property also to the crtc object */ 1770da88db1SVille Syrjälä if (plane->rotation_property && obj != &plane->base) 1780da88db1SVille Syrjälä drm_object_attach_property(obj, plane->rotation_property, 179c2c446adSRobert Foss DRM_MODE_ROTATE_0); 1808bb0daffSRob Clark } 1818bb0daffSRob Clark 182e2cd09b2SLaurent Pinchart drm_object_attach_property(obj, priv->zorder_prop, 0); 1838bb0daffSRob Clark } 1848bb0daffSRob Clark 185e07323cfSTomi Valkeinen static void omap_plane_reset(struct drm_plane *plane) 186e07323cfSTomi Valkeinen { 187e07323cfSTomi Valkeinen struct omap_plane *omap_plane = to_omap_plane(plane); 188e07323cfSTomi Valkeinen 189d980278bSLaurent Pinchart drm_atomic_helper_plane_reset(plane); 190d980278bSLaurent Pinchart if (!plane->state) 191e07323cfSTomi Valkeinen return; 192e07323cfSTomi Valkeinen 193e07323cfSTomi Valkeinen /* 194ba527c13SLaurent Pinchart * Set the zpos default depending on whether we are a primary or overlay 195e07323cfSTomi Valkeinen * plane. 196e07323cfSTomi Valkeinen */ 197d980278bSLaurent Pinchart plane->state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY 198e07323cfSTomi Valkeinen ? 0 : omap_plane->id; 199e07323cfSTomi Valkeinen } 200e07323cfSTomi Valkeinen 201afc34932SLaurent Pinchart static int omap_plane_atomic_set_property(struct drm_plane *plane, 202afc34932SLaurent Pinchart struct drm_plane_state *state, 203afc34932SLaurent Pinchart struct drm_property *property, 204dfe9cfccSLaurent Pinchart u64 val) 205afc34932SLaurent Pinchart { 206afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 207afc34932SLaurent Pinchart 208afc34932SLaurent Pinchart if (property == priv->zorder_prop) 209ba527c13SLaurent Pinchart state->zpos = val; 210afc34932SLaurent Pinchart else 211afc34932SLaurent Pinchart return -EINVAL; 212afc34932SLaurent Pinchart 213a42133a7SLaurent Pinchart return 0; 214afc34932SLaurent Pinchart } 215a42133a7SLaurent Pinchart 216afc34932SLaurent Pinchart static int omap_plane_atomic_get_property(struct drm_plane *plane, 217afc34932SLaurent Pinchart const struct drm_plane_state *state, 218afc34932SLaurent Pinchart struct drm_property *property, 219dfe9cfccSLaurent Pinchart u64 *val) 220afc34932SLaurent Pinchart { 221afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 222a42133a7SLaurent Pinchart 223afc34932SLaurent Pinchart if (property == priv->zorder_prop) 224ba527c13SLaurent Pinchart *val = state->zpos; 225afc34932SLaurent Pinchart else 226afc34932SLaurent Pinchart return -EINVAL; 227afc34932SLaurent Pinchart 228afc34932SLaurent Pinchart return 0; 2298bb0daffSRob Clark } 2308bb0daffSRob Clark 2318bb0daffSRob Clark static const struct drm_plane_funcs omap_plane_funcs = { 232cef77d40SLaurent Pinchart .update_plane = drm_atomic_helper_update_plane, 233cef77d40SLaurent Pinchart .disable_plane = drm_atomic_helper_disable_plane, 234afc34932SLaurent Pinchart .reset = omap_plane_reset, 2358bb0daffSRob Clark .destroy = omap_plane_destroy, 236d980278bSLaurent Pinchart .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, 237d980278bSLaurent Pinchart .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, 238afc34932SLaurent Pinchart .atomic_set_property = omap_plane_atomic_set_property, 239afc34932SLaurent Pinchart .atomic_get_property = omap_plane_atomic_get_property, 2408bb0daffSRob Clark }; 2418bb0daffSRob Clark 242e8e13b15SJyri Sarha static const char *plane_id_to_name[] = { 2438bb0daffSRob Clark [OMAP_DSS_GFX] = "gfx", 2448bb0daffSRob Clark [OMAP_DSS_VIDEO1] = "vid1", 2458bb0daffSRob Clark [OMAP_DSS_VIDEO2] = "vid2", 2468bb0daffSRob Clark [OMAP_DSS_VIDEO3] = "vid3", 2478bb0daffSRob Clark }; 2488bb0daffSRob Clark 249e8e13b15SJyri Sarha static const enum omap_plane_id plane_idx_to_id[] = { 250e8e13b15SJyri Sarha OMAP_DSS_GFX, 251e8e13b15SJyri Sarha OMAP_DSS_VIDEO1, 252e8e13b15SJyri Sarha OMAP_DSS_VIDEO2, 253e8e13b15SJyri Sarha OMAP_DSS_VIDEO3, 254e8e13b15SJyri Sarha }; 255e8e13b15SJyri Sarha 2568bb0daffSRob Clark /* initialize plane */ 2578bb0daffSRob Clark struct drm_plane *omap_plane_init(struct drm_device *dev, 258e8e13b15SJyri Sarha int idx, enum drm_plane_type type, 259e43f2c33STomi Valkeinen u32 possible_crtcs) 2608bb0daffSRob Clark { 2619f759225STomi Valkeinen struct omap_drm_private *priv = dev->dev_private; 262dff6c246SLaurent Pinchart unsigned int num_planes = priv->dispc_ops->get_num_ovls(); 263ef6b0e02SLaurent Pinchart struct drm_plane *plane; 2648bb0daffSRob Clark struct omap_plane *omap_plane; 265e8e13b15SJyri Sarha enum omap_plane_id id; 266ef6b0e02SLaurent Pinchart int ret; 267eecad437STomi Valkeinen u32 nformats; 268eecad437STomi Valkeinen const u32 *formats; 2698bb0daffSRob Clark 270e8e13b15SJyri Sarha if (WARN_ON(idx >= ARRAY_SIZE(plane_idx_to_id))) 271e8e13b15SJyri Sarha return ERR_PTR(-EINVAL); 272e8e13b15SJyri Sarha 273e8e13b15SJyri Sarha id = plane_idx_to_id[idx]; 274e8e13b15SJyri Sarha 275e8e13b15SJyri Sarha DBG("%s: type=%d", plane_id_to_name[id], type); 2768bb0daffSRob Clark 2778bb0daffSRob Clark omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); 278fffddfd6SLinus Torvalds if (!omap_plane) 279fb9a35f8SLaurent Pinchart return ERR_PTR(-ENOMEM); 2808bb0daffSRob Clark 281eecad437STomi Valkeinen formats = priv->dispc_ops->ovl_get_color_modes(id); 282eecad437STomi Valkeinen for (nformats = 0; formats[nformats]; ++nformats) 283eecad437STomi Valkeinen ; 2848bb0daffSRob Clark omap_plane->id = id; 285e8e13b15SJyri Sarha omap_plane->name = plane_id_to_name[id]; 2868bb0daffSRob Clark 2878bb0daffSRob Clark plane = &omap_plane->base; 2888bb0daffSRob Clark 289e43f2c33STomi Valkeinen ret = drm_universal_plane_init(dev, plane, possible_crtcs, 290eecad437STomi Valkeinen &omap_plane_funcs, formats, 291e6fc3b68SBen Widawsky nformats, NULL, type, NULL); 292ef6b0e02SLaurent Pinchart if (ret < 0) 293ef6b0e02SLaurent Pinchart goto error; 2948bb0daffSRob Clark 295de8e4100SLaurent Pinchart drm_plane_helper_add(plane, &omap_plane_helper_funcs); 296de8e4100SLaurent Pinchart 2978bb0daffSRob Clark omap_plane_install_properties(plane, &plane->base); 298dff6c246SLaurent Pinchart drm_plane_create_zpos_property(plane, 0, 0, num_planes - 1); 2998bb0daffSRob Clark 3008bb0daffSRob Clark return plane; 301ef6b0e02SLaurent Pinchart 302ef6b0e02SLaurent Pinchart error: 303e8e13b15SJyri Sarha dev_err(dev->dev, "%s(): could not create plane: %s\n", 304e8e13b15SJyri Sarha __func__, plane_id_to_name[id]); 305e8e13b15SJyri Sarha 306ef6b0e02SLaurent Pinchart kfree(omap_plane); 307ef6b0e02SLaurent Pinchart return NULL; 3088bb0daffSRob Clark } 309