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 2069a12263SLaurent Pinchart #include <drm/drm_atomic_helper.h> 21de8e4100SLaurent Pinchart #include <drm/drm_plane_helper.h> 2269a12263SLaurent Pinchart 238bb0daffSRob Clark #include "omap_dmm_tiler.h" 242d278f54SLaurent Pinchart #include "omap_drv.h" 258bb0daffSRob Clark 268bb0daffSRob Clark /* some hackery because omapdss has an 'enum omap_plane' (which would be 278bb0daffSRob Clark * better named omap_plane_id).. and compiler seems unhappy about having 288bb0daffSRob Clark * both a 'struct omap_plane' and 'enum omap_plane' 298bb0daffSRob Clark */ 308bb0daffSRob Clark #define omap_plane _omap_plane 318bb0daffSRob Clark 328bb0daffSRob Clark /* 338bb0daffSRob Clark * plane funcs 348bb0daffSRob Clark */ 358bb0daffSRob Clark 368bb0daffSRob Clark #define to_omap_plane(x) container_of(x, struct omap_plane, base) 378bb0daffSRob Clark 388bb0daffSRob Clark struct omap_plane { 398bb0daffSRob Clark struct drm_plane base; 408bb0daffSRob Clark int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */ 418bb0daffSRob Clark const char *name; 428bb0daffSRob Clark 438bb0daffSRob Clark uint32_t nformats; 448bb0daffSRob Clark uint32_t formats[32]; 458bb0daffSRob Clark 468bb0daffSRob Clark struct omap_drm_irq error_irq; 478bb0daffSRob Clark }; 488bb0daffSRob Clark 49afc34932SLaurent Pinchart struct omap_plane_state { 50afc34932SLaurent Pinchart struct drm_plane_state base; 51afc34932SLaurent Pinchart 52afc34932SLaurent Pinchart unsigned int zorder; 53afc34932SLaurent Pinchart }; 54afc34932SLaurent Pinchart 55afc34932SLaurent Pinchart static inline struct omap_plane_state * 56afc34932SLaurent Pinchart to_omap_plane_state(struct drm_plane_state *state) 578bb0daffSRob Clark { 58afc34932SLaurent Pinchart return container_of(state, struct omap_plane_state, base); 59afc34932SLaurent Pinchart } 60afc34932SLaurent Pinchart 6111ffd031STomi Valkeinen static int omap_plane_prepare_fb(struct drm_plane *plane, 6211ffd031STomi Valkeinen struct drm_framebuffer *fb, 6311ffd031STomi Valkeinen const struct drm_plane_state *new_state) 6411ffd031STomi Valkeinen { 6511ffd031STomi Valkeinen return omap_framebuffer_pin(fb); 6611ffd031STomi Valkeinen } 6711ffd031STomi Valkeinen 6811ffd031STomi Valkeinen static void omap_plane_cleanup_fb(struct drm_plane *plane, 6911ffd031STomi Valkeinen struct drm_framebuffer *fb, 7011ffd031STomi Valkeinen const struct drm_plane_state *old_state) 7111ffd031STomi Valkeinen { 7211ffd031STomi Valkeinen omap_framebuffer_unpin(fb); 7311ffd031STomi Valkeinen } 7411ffd031STomi Valkeinen 7511ffd031STomi Valkeinen static void omap_plane_atomic_update(struct drm_plane *plane, 7611ffd031STomi Valkeinen struct drm_plane_state *old_state) 77afc34932SLaurent Pinchart { 78edc72557SLaurent Pinchart struct omap_plane *omap_plane = to_omap_plane(plane); 79edc72557SLaurent Pinchart struct drm_plane_state *state = plane->state; 80afc34932SLaurent Pinchart struct omap_plane_state *omap_state = to_omap_plane_state(state); 81fb730c9bSLaurent Pinchart struct omap_overlay_info info; 82fb730c9bSLaurent Pinchart struct omap_drm_window win; 838bb0daffSRob Clark int ret; 848bb0daffSRob Clark 85edc72557SLaurent Pinchart DBG("%s, crtc=%p fb=%p", omap_plane->name, state->crtc, state->fb); 868bb0daffSRob Clark 87fb730c9bSLaurent Pinchart memset(&info, 0, sizeof(info)); 88fb730c9bSLaurent Pinchart info.rotation_type = OMAP_DSS_ROT_DMA; 89fb730c9bSLaurent Pinchart info.rotation = OMAP_DSS_ROT_0; 90fb730c9bSLaurent Pinchart info.global_alpha = 0xff; 91fb730c9bSLaurent Pinchart info.mirror = 0; 92fb730c9bSLaurent Pinchart info.zorder = omap_state->zorder; 93fb730c9bSLaurent Pinchart 94fb730c9bSLaurent Pinchart memset(&win, 0, sizeof(win)); 95fb730c9bSLaurent Pinchart win.rotation = state->rotation; 96fb730c9bSLaurent Pinchart win.crtc_x = state->crtc_x; 97fb730c9bSLaurent Pinchart win.crtc_y = state->crtc_y; 98fb730c9bSLaurent Pinchart win.crtc_w = state->crtc_w; 99fb730c9bSLaurent Pinchart win.crtc_h = state->crtc_h; 100fb730c9bSLaurent Pinchart 101fb730c9bSLaurent Pinchart /* 102fb730c9bSLaurent Pinchart * src values are in Q16 fixed point, convert to integer. 103fb730c9bSLaurent Pinchart * omap_framebuffer_update_scanout() takes adjusted src. 104fb730c9bSLaurent Pinchart */ 105fb730c9bSLaurent Pinchart win.src_x = state->src_x >> 16; 106fb730c9bSLaurent Pinchart win.src_y = state->src_y >> 16; 107fb730c9bSLaurent Pinchart 108fb730c9bSLaurent Pinchart switch (state->rotation & 0xf) { 109fb730c9bSLaurent Pinchart case BIT(DRM_ROTATE_90): 110fb730c9bSLaurent Pinchart case BIT(DRM_ROTATE_270): 111fb730c9bSLaurent Pinchart win.src_w = state->src_h >> 16; 112fb730c9bSLaurent Pinchart win.src_h = state->src_w >> 16; 113fb730c9bSLaurent Pinchart break; 114fb730c9bSLaurent Pinchart default: 115fb730c9bSLaurent Pinchart win.src_w = state->src_w >> 16; 116fb730c9bSLaurent Pinchart win.src_h = state->src_h >> 16; 117fb730c9bSLaurent Pinchart break; 118fb730c9bSLaurent Pinchart } 119afc34932SLaurent Pinchart 1208bb0daffSRob Clark /* update scanout: */ 121fb730c9bSLaurent Pinchart omap_framebuffer_update_scanout(state->fb, &win, &info); 1228bb0daffSRob Clark 123fb730c9bSLaurent Pinchart DBG("%dx%d -> %dx%d (%d)", info.width, info.height, 124fb730c9bSLaurent Pinchart info.out_width, info.out_height, 125fb730c9bSLaurent Pinchart info.screen_width); 126fb730c9bSLaurent Pinchart DBG("%d,%d %pad %pad", info.pos_x, info.pos_y, 127fb730c9bSLaurent Pinchart &info.paddr, &info.p_uv_addr); 1288bb0daffSRob Clark 129a42133a7SLaurent Pinchart dispc_ovl_set_channel_out(omap_plane->id, 130afc34932SLaurent Pinchart omap_crtc_channel(state->crtc)); 1312dd3887bSTomi Valkeinen 1328bb0daffSRob Clark /* and finally, update omapdss: */ 133fb730c9bSLaurent Pinchart ret = dispc_ovl_setup(omap_plane->id, &info, false, 134afc34932SLaurent Pinchart omap_crtc_timings(state->crtc), false); 135d9157dfdSTomi Valkeinen if (WARN_ON(ret)) 136d9157dfdSTomi Valkeinen return; 1378bb0daffSRob Clark 1388bb0daffSRob Clark dispc_ovl_enable(omap_plane->id, true); 139de8e4100SLaurent Pinchart } 140de8e4100SLaurent Pinchart 141de8e4100SLaurent Pinchart static void omap_plane_atomic_disable(struct drm_plane *plane, 142de8e4100SLaurent Pinchart struct drm_plane_state *old_state) 1438bb0daffSRob Clark { 144afc34932SLaurent Pinchart struct omap_plane_state *omap_state = to_omap_plane_state(plane->state); 1458bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1462debab97SLaurent Pinchart 147afc34932SLaurent Pinchart plane->state->rotation = BIT(DRM_ROTATE_0); 148afc34932SLaurent Pinchart omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY 14982e58855SLaurent Pinchart ? 0 : omap_plane->id; 15082e58855SLaurent Pinchart 15111ffd031STomi Valkeinen dispc_ovl_enable(omap_plane->id, false); 1528bb0daffSRob Clark } 1538bb0daffSRob Clark 154de8e4100SLaurent Pinchart static const struct drm_plane_helper_funcs omap_plane_helper_funcs = { 155de8e4100SLaurent Pinchart .prepare_fb = omap_plane_prepare_fb, 156de8e4100SLaurent Pinchart .cleanup_fb = omap_plane_cleanup_fb, 157de8e4100SLaurent Pinchart .atomic_update = omap_plane_atomic_update, 158de8e4100SLaurent Pinchart .atomic_disable = omap_plane_atomic_disable, 159de8e4100SLaurent Pinchart }; 160de8e4100SLaurent Pinchart 161afc34932SLaurent Pinchart static void omap_plane_reset(struct drm_plane *plane) 162afc34932SLaurent Pinchart { 163afc34932SLaurent Pinchart struct omap_plane *omap_plane = to_omap_plane(plane); 164afc34932SLaurent Pinchart struct omap_plane_state *omap_state; 165afc34932SLaurent Pinchart 166afc34932SLaurent Pinchart if (plane->state && plane->state->fb) 167afc34932SLaurent Pinchart drm_framebuffer_unreference(plane->state->fb); 168afc34932SLaurent Pinchart 169afc34932SLaurent Pinchart kfree(plane->state); 170afc34932SLaurent Pinchart plane->state = NULL; 171afc34932SLaurent Pinchart 172afc34932SLaurent Pinchart omap_state = kzalloc(sizeof(*omap_state), GFP_KERNEL); 173afc34932SLaurent Pinchart if (omap_state == NULL) 174afc34932SLaurent Pinchart return; 175afc34932SLaurent Pinchart 176afc34932SLaurent Pinchart /* 177afc34932SLaurent Pinchart * Set defaults depending on whether we are a primary or overlay 178afc34932SLaurent Pinchart * plane. 179afc34932SLaurent Pinchart */ 180afc34932SLaurent Pinchart omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY 181afc34932SLaurent Pinchart ? 0 : omap_plane->id; 182afc34932SLaurent Pinchart omap_state->base.rotation = BIT(DRM_ROTATE_0); 183afc34932SLaurent Pinchart 184afc34932SLaurent Pinchart plane->state = &omap_state->base; 185afc34932SLaurent Pinchart plane->state->plane = plane; 186afc34932SLaurent Pinchart } 187afc34932SLaurent Pinchart 1888bb0daffSRob Clark static void omap_plane_destroy(struct drm_plane *plane) 1898bb0daffSRob Clark { 1908bb0daffSRob Clark struct omap_plane *omap_plane = to_omap_plane(plane); 1918bb0daffSRob Clark 1928bb0daffSRob Clark DBG("%s", omap_plane->name); 1938bb0daffSRob Clark 1948bb0daffSRob Clark omap_irq_unregister(plane->dev, &omap_plane->error_irq); 1958bb0daffSRob Clark 1968bb0daffSRob Clark drm_plane_cleanup(plane); 1978bb0daffSRob Clark 1988bb0daffSRob Clark kfree(omap_plane); 1998bb0daffSRob Clark } 2008bb0daffSRob Clark 2018bb0daffSRob Clark /* helper to install properties which are common to planes and crtcs */ 2028bb0daffSRob Clark void omap_plane_install_properties(struct drm_plane *plane, 2038bb0daffSRob Clark struct drm_mode_object *obj) 2048bb0daffSRob Clark { 2058bb0daffSRob Clark struct drm_device *dev = plane->dev; 2068bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 2078bb0daffSRob Clark 2088bb0daffSRob Clark if (priv->has_dmm) { 209e2cd09b2SLaurent Pinchart struct drm_property *prop = dev->mode_config.rotation_property; 210e2cd09b2SLaurent Pinchart 2118bb0daffSRob Clark drm_object_attach_property(obj, prop, 0); 2128bb0daffSRob Clark } 2138bb0daffSRob Clark 214e2cd09b2SLaurent Pinchart drm_object_attach_property(obj, priv->zorder_prop, 0); 2158bb0daffSRob Clark } 2168bb0daffSRob Clark 217afc34932SLaurent Pinchart static struct drm_plane_state * 218afc34932SLaurent Pinchart omap_plane_atomic_duplicate_state(struct drm_plane *plane) 2198bb0daffSRob Clark { 220afc34932SLaurent Pinchart struct omap_plane_state *state; 221afc34932SLaurent Pinchart struct omap_plane_state *copy; 2228bb0daffSRob Clark 223afc34932SLaurent Pinchart if (WARN_ON(!plane->state)) 224afc34932SLaurent Pinchart return NULL; 225afc34932SLaurent Pinchart 226afc34932SLaurent Pinchart state = to_omap_plane_state(plane->state); 227afc34932SLaurent Pinchart copy = kmemdup(state, sizeof(*state), GFP_KERNEL); 228afc34932SLaurent Pinchart if (copy == NULL) 229afc34932SLaurent Pinchart return NULL; 230afc34932SLaurent Pinchart 231afc34932SLaurent Pinchart __drm_atomic_helper_plane_duplicate_state(plane, ©->base); 232afc34932SLaurent Pinchart 233afc34932SLaurent Pinchart return ©->base; 2348bb0daffSRob Clark } 2358bb0daffSRob Clark 236afc34932SLaurent Pinchart static void omap_plane_atomic_destroy_state(struct drm_plane *plane, 237afc34932SLaurent Pinchart struct drm_plane_state *state) 238afc34932SLaurent Pinchart { 239afc34932SLaurent Pinchart __drm_atomic_helper_plane_destroy_state(plane, state); 240afc34932SLaurent Pinchart kfree(to_omap_plane_state(state)); 241afc34932SLaurent Pinchart } 242afc34932SLaurent Pinchart 243afc34932SLaurent Pinchart static int omap_plane_atomic_set_property(struct drm_plane *plane, 244afc34932SLaurent Pinchart struct drm_plane_state *state, 245afc34932SLaurent Pinchart struct drm_property *property, 246afc34932SLaurent Pinchart uint64_t val) 247afc34932SLaurent Pinchart { 248afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 249afc34932SLaurent Pinchart struct omap_plane_state *omap_state = to_omap_plane_state(state); 250afc34932SLaurent Pinchart 251afc34932SLaurent Pinchart if (property == priv->zorder_prop) 252afc34932SLaurent Pinchart omap_state->zorder = val; 253afc34932SLaurent Pinchart else 254afc34932SLaurent Pinchart return -EINVAL; 255afc34932SLaurent Pinchart 256a42133a7SLaurent Pinchart return 0; 257afc34932SLaurent Pinchart } 258a42133a7SLaurent Pinchart 259afc34932SLaurent Pinchart static int omap_plane_atomic_get_property(struct drm_plane *plane, 260afc34932SLaurent Pinchart const struct drm_plane_state *state, 261afc34932SLaurent Pinchart struct drm_property *property, 262afc34932SLaurent Pinchart uint64_t *val) 263afc34932SLaurent Pinchart { 264afc34932SLaurent Pinchart struct omap_drm_private *priv = plane->dev->dev_private; 265afc34932SLaurent Pinchart const struct omap_plane_state *omap_state = 266afc34932SLaurent Pinchart container_of(state, const struct omap_plane_state, base); 267a42133a7SLaurent Pinchart 268afc34932SLaurent Pinchart if (property == priv->zorder_prop) 269afc34932SLaurent Pinchart *val = omap_state->zorder; 270afc34932SLaurent Pinchart else 271afc34932SLaurent Pinchart return -EINVAL; 272afc34932SLaurent Pinchart 273afc34932SLaurent Pinchart return 0; 2748bb0daffSRob Clark } 2758bb0daffSRob Clark 2768bb0daffSRob Clark static const struct drm_plane_funcs omap_plane_funcs = { 277cef77d40SLaurent Pinchart .update_plane = drm_atomic_helper_update_plane, 278cef77d40SLaurent Pinchart .disable_plane = drm_atomic_helper_disable_plane, 279afc34932SLaurent Pinchart .reset = omap_plane_reset, 2808bb0daffSRob Clark .destroy = omap_plane_destroy, 281afc34932SLaurent Pinchart .set_property = drm_atomic_helper_plane_set_property, 282afc34932SLaurent Pinchart .atomic_duplicate_state = omap_plane_atomic_duplicate_state, 283afc34932SLaurent Pinchart .atomic_destroy_state = omap_plane_atomic_destroy_state, 284afc34932SLaurent Pinchart .atomic_set_property = omap_plane_atomic_set_property, 285afc34932SLaurent Pinchart .atomic_get_property = omap_plane_atomic_get_property, 2868bb0daffSRob Clark }; 2878bb0daffSRob Clark 2888bb0daffSRob Clark static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) 2898bb0daffSRob Clark { 2908bb0daffSRob Clark struct omap_plane *omap_plane = 2918bb0daffSRob Clark container_of(irq, struct omap_plane, error_irq); 2923b143fc8STomi Valkeinen DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_plane->name, 2933b143fc8STomi Valkeinen irqstatus); 2948bb0daffSRob Clark } 2958bb0daffSRob Clark 2968bb0daffSRob Clark static const char *plane_names[] = { 2978bb0daffSRob Clark [OMAP_DSS_GFX] = "gfx", 2988bb0daffSRob Clark [OMAP_DSS_VIDEO1] = "vid1", 2998bb0daffSRob Clark [OMAP_DSS_VIDEO2] = "vid2", 3008bb0daffSRob Clark [OMAP_DSS_VIDEO3] = "vid3", 3018bb0daffSRob Clark }; 3028bb0daffSRob Clark 3038bb0daffSRob Clark static const uint32_t error_irqs[] = { 3048bb0daffSRob Clark [OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW, 3058bb0daffSRob Clark [OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW, 3068bb0daffSRob Clark [OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW, 3078bb0daffSRob Clark [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW, 3088bb0daffSRob Clark }; 3098bb0daffSRob Clark 3108bb0daffSRob Clark /* initialize plane */ 3118bb0daffSRob Clark struct drm_plane *omap_plane_init(struct drm_device *dev, 312ef6b0e02SLaurent Pinchart int id, enum drm_plane_type type) 3138bb0daffSRob Clark { 3148bb0daffSRob Clark struct omap_drm_private *priv = dev->dev_private; 315ef6b0e02SLaurent Pinchart struct drm_plane *plane; 3168bb0daffSRob Clark struct omap_plane *omap_plane; 317ef6b0e02SLaurent Pinchart int ret; 3188bb0daffSRob Clark 319ef6b0e02SLaurent Pinchart DBG("%s: type=%d", plane_names[id], type); 3208bb0daffSRob Clark 3218bb0daffSRob Clark omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); 322fffddfd6SLinus Torvalds if (!omap_plane) 323fb9a35f8SLaurent Pinchart return ERR_PTR(-ENOMEM); 3248bb0daffSRob Clark 3258bb0daffSRob Clark omap_plane->nformats = omap_framebuffer_get_formats( 3268bb0daffSRob Clark omap_plane->formats, ARRAY_SIZE(omap_plane->formats), 3278bb0daffSRob Clark dss_feat_get_supported_color_modes(id)); 3288bb0daffSRob Clark omap_plane->id = id; 3298bb0daffSRob Clark omap_plane->name = plane_names[id]; 3308bb0daffSRob Clark 3318bb0daffSRob Clark plane = &omap_plane->base; 3328bb0daffSRob Clark 3338bb0daffSRob Clark omap_plane->error_irq.irqmask = error_irqs[id]; 3348bb0daffSRob Clark omap_plane->error_irq.irq = omap_plane_error_irq; 3358bb0daffSRob Clark omap_irq_register(dev, &omap_plane->error_irq); 3368bb0daffSRob Clark 337ef6b0e02SLaurent Pinchart ret = drm_universal_plane_init(dev, plane, (1 << priv->num_crtcs) - 1, 338ef6b0e02SLaurent Pinchart &omap_plane_funcs, omap_plane->formats, 339ef6b0e02SLaurent Pinchart omap_plane->nformats, type); 340ef6b0e02SLaurent Pinchart if (ret < 0) 341ef6b0e02SLaurent Pinchart goto error; 3428bb0daffSRob Clark 343de8e4100SLaurent Pinchart drm_plane_helper_add(plane, &omap_plane_helper_funcs); 344de8e4100SLaurent Pinchart 3458bb0daffSRob Clark omap_plane_install_properties(plane, &plane->base); 3468bb0daffSRob Clark 3478bb0daffSRob Clark return plane; 348ef6b0e02SLaurent Pinchart 349ef6b0e02SLaurent Pinchart error: 350ef6b0e02SLaurent Pinchart omap_irq_unregister(plane->dev, &omap_plane->error_irq); 351ef6b0e02SLaurent Pinchart kfree(omap_plane); 352ef6b0e02SLaurent Pinchart return NULL; 3538bb0daffSRob Clark } 354