Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #define pr_fmt(fmt) "sde-drm:[%s] " fmt, __func__ |
| 14 | #include "msm_drv.h" |
| 15 | |
| 16 | #include "sde_kms.h" |
| 17 | #include "sde_connector.h" |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 18 | #include <linux/backlight.h> |
| 19 | #include "dsi_drm.h" |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 20 | #include "dsi_display.h" |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 21 | |
| 22 | #define BL_NODE_NAME_SIZE 32 |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 23 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 24 | static const struct drm_prop_enum_list e_topology_name[] = { |
| 25 | {SDE_RM_TOPOLOGY_UNKNOWN, "sde_unknown"}, |
| 26 | {SDE_RM_TOPOLOGY_SINGLEPIPE, "sde_singlepipe"}, |
| 27 | {SDE_RM_TOPOLOGY_DUALPIPE, "sde_dualpipe"}, |
| 28 | {SDE_RM_TOPOLOGY_PPSPLIT, "sde_ppsplit"}, |
| 29 | {SDE_RM_TOPOLOGY_DUALPIPEMERGE, "sde_dualpipemerge"} |
| 30 | }; |
| 31 | static const struct drm_prop_enum_list e_topology_control[] = { |
| 32 | {SDE_RM_TOPCTL_RESERVE_LOCK, "reserve_lock"}, |
| 33 | {SDE_RM_TOPCTL_RESERVE_CLEAR, "reserve_clear"}, |
| 34 | {SDE_RM_TOPCTL_DSPP, "dspp"}, |
| 35 | {SDE_RM_TOPCTL_FORCE_TILING, "force_tiling"}, |
| 36 | {SDE_RM_TOPCTL_PPSPLIT, "ppsplit"} |
| 37 | }; |
| 38 | |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 39 | static int sde_backlight_device_update_status(struct backlight_device *bd) |
| 40 | { |
| 41 | int brightness; |
| 42 | struct dsi_display *display; |
| 43 | struct sde_connector *c_conn; |
| 44 | int bl_lvl; |
| 45 | |
| 46 | brightness = bd->props.brightness; |
| 47 | |
| 48 | if ((bd->props.power != FB_BLANK_UNBLANK) || |
| 49 | (bd->props.state & BL_CORE_FBBLANK) || |
| 50 | (bd->props.state & BL_CORE_SUSPENDED)) |
| 51 | brightness = 0; |
| 52 | |
| 53 | c_conn = bl_get_data(bd); |
| 54 | display = (struct dsi_display *) c_conn->display; |
| 55 | if (brightness > display->panel->bl_config.bl_max_level) |
| 56 | brightness = display->panel->bl_config.bl_max_level; |
| 57 | |
| 58 | /* map UI brightness into driver backlight level with rounding */ |
| 59 | bl_lvl = mult_frac(brightness, display->panel->bl_config.bl_max_level, |
| 60 | display->panel->bl_config.brightness_max_level); |
| 61 | |
| 62 | if (!bl_lvl && brightness) |
| 63 | bl_lvl = 1; |
| 64 | |
| 65 | if (c_conn->ops.set_backlight) |
| 66 | c_conn->ops.set_backlight(c_conn->display, bl_lvl); |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | static int sde_backlight_device_get_brightness(struct backlight_device *bd) |
| 72 | { |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | static const struct backlight_ops sde_backlight_device_ops = { |
| 77 | .update_status = sde_backlight_device_update_status, |
| 78 | .get_brightness = sde_backlight_device_get_brightness, |
| 79 | }; |
| 80 | |
| 81 | static int sde_backlight_setup(struct sde_connector *c_conn) |
| 82 | { |
| 83 | struct backlight_device *bl_device; |
| 84 | struct backlight_properties props; |
| 85 | struct dsi_display *display; |
| 86 | struct dsi_backlight_config *bl_config; |
| 87 | static int display_count; |
| 88 | char bl_node_name[BL_NODE_NAME_SIZE]; |
| 89 | |
| 90 | if (!c_conn) { |
| 91 | SDE_ERROR("invalid param\n"); |
| 92 | return -EINVAL; |
| 93 | } else if (c_conn->connector_type != DRM_MODE_CONNECTOR_DSI) { |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | memset(&props, 0, sizeof(props)); |
| 98 | props.type = BACKLIGHT_RAW; |
| 99 | props.power = FB_BLANK_UNBLANK; |
| 100 | |
| 101 | display = (struct dsi_display *) c_conn->display; |
| 102 | bl_config = &display->panel->bl_config; |
| 103 | props.max_brightness = bl_config->brightness_max_level; |
| 104 | props.brightness = bl_config->brightness_max_level; |
| 105 | snprintf(bl_node_name, BL_NODE_NAME_SIZE, "panel%u-backlight", |
| 106 | display_count); |
| 107 | bl_device = backlight_device_register(bl_node_name, c_conn->base.kdev, |
| 108 | c_conn, &sde_backlight_device_ops, &props); |
| 109 | if (IS_ERR_OR_NULL(bl_device)) { |
| 110 | SDE_ERROR("Failed to register backlight: %ld\n", |
| 111 | PTR_ERR(bl_device)); |
| 112 | return -ENODEV; |
| 113 | } |
| 114 | display_count++; |
| 115 | |
| 116 | return 0; |
| 117 | } |
| 118 | |
Clarence Ip | a18d483 | 2017-03-13 12:35:44 -0700 | [diff] [blame] | 119 | int sde_connector_trigger_event(void *drm_connector, |
| 120 | uint32_t event_idx, uint32_t instance_idx, |
| 121 | uint32_t data0, uint32_t data1, |
| 122 | uint32_t data2, uint32_t data3) |
| 123 | { |
| 124 | struct sde_connector *c_conn; |
| 125 | unsigned long irq_flags; |
| 126 | void (*cb_func)(uint32_t event_idx, |
| 127 | uint32_t instance_idx, void *usr, |
| 128 | uint32_t data0, uint32_t data1, |
| 129 | uint32_t data2, uint32_t data3); |
| 130 | void *usr; |
| 131 | int rc = 0; |
| 132 | |
| 133 | /* |
| 134 | * This function may potentially be called from an ISR context, so |
| 135 | * avoid excessive logging/etc. |
| 136 | */ |
| 137 | if (!drm_connector) |
| 138 | return -EINVAL; |
| 139 | else if (event_idx >= SDE_CONN_EVENT_COUNT) |
| 140 | return -EINVAL; |
| 141 | c_conn = to_sde_connector(drm_connector); |
| 142 | |
| 143 | spin_lock_irqsave(&c_conn->event_lock, irq_flags); |
| 144 | cb_func = c_conn->event_table[event_idx].cb_func; |
| 145 | usr = c_conn->event_table[event_idx].usr; |
| 146 | spin_unlock_irqrestore(&c_conn->event_lock, irq_flags); |
| 147 | |
| 148 | if (cb_func) |
| 149 | cb_func(event_idx, instance_idx, usr, |
| 150 | data0, data1, data2, data3); |
| 151 | else |
| 152 | rc = -EAGAIN; |
| 153 | |
| 154 | return rc; |
| 155 | } |
| 156 | |
| 157 | int sde_connector_register_event(struct drm_connector *connector, |
| 158 | uint32_t event_idx, |
| 159 | void (*cb_func)(uint32_t event_idx, |
| 160 | uint32_t instance_idx, void *usr, |
| 161 | uint32_t data0, uint32_t data1, |
| 162 | uint32_t data2, uint32_t data3), |
| 163 | void *usr) |
| 164 | { |
| 165 | struct sde_connector *c_conn; |
| 166 | unsigned long irq_flags; |
| 167 | |
| 168 | if (!connector) { |
| 169 | SDE_ERROR("invalid connector\n"); |
| 170 | return -EINVAL; |
| 171 | } else if (event_idx >= SDE_CONN_EVENT_COUNT) { |
| 172 | SDE_ERROR("conn%d, invalid event %d\n", |
| 173 | connector->base.id, event_idx); |
| 174 | return -EINVAL; |
| 175 | } |
| 176 | c_conn = to_sde_connector(connector); |
| 177 | |
| 178 | spin_lock_irqsave(&c_conn->event_lock, irq_flags); |
| 179 | c_conn->event_table[event_idx].cb_func = cb_func; |
| 180 | c_conn->event_table[event_idx].usr = usr; |
| 181 | spin_unlock_irqrestore(&c_conn->event_lock, irq_flags); |
| 182 | |
| 183 | /* optionally notify display of event registration */ |
| 184 | if (c_conn->ops.enable_event && c_conn->display) |
| 185 | c_conn->ops.enable_event(connector, event_idx, |
| 186 | cb_func != NULL, c_conn->display); |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | void sde_connector_unregister_event(struct drm_connector *connector, |
| 191 | uint32_t event_idx) |
| 192 | { |
| 193 | (void)sde_connector_register_event(connector, event_idx, 0, 0); |
| 194 | } |
| 195 | |
Clarence Ip | cb3afd4 | 2016-07-15 16:25:34 -0400 | [diff] [blame] | 196 | int sde_connector_get_info(struct drm_connector *connector, |
| 197 | struct msm_display_info *info) |
| 198 | { |
| 199 | struct sde_connector *c_conn; |
| 200 | |
| 201 | if (!connector || !info) { |
| 202 | SDE_ERROR("invalid argument(s), conn %pK, info %pK\n", |
| 203 | connector, info); |
| 204 | return -EINVAL; |
| 205 | } |
| 206 | |
| 207 | c_conn = to_sde_connector(connector); |
| 208 | |
| 209 | if (!c_conn->display || !c_conn->ops.get_info) { |
| 210 | SDE_ERROR("display info not supported for %pK\n", |
| 211 | c_conn->display); |
| 212 | return -EINVAL; |
| 213 | } |
| 214 | |
| 215 | return c_conn->ops.get_info(info, c_conn->display); |
| 216 | } |
| 217 | |
Lloyd Atkinson | 05d7551 | 2017-01-17 14:45:51 -0500 | [diff] [blame^] | 218 | int sde_connector_pre_kickoff(struct drm_connector *connector) |
| 219 | { |
| 220 | struct sde_connector *c_conn; |
| 221 | struct sde_connector_state *c_state; |
| 222 | struct msm_display_kickoff_params params; |
| 223 | int rc; |
| 224 | |
| 225 | if (!connector) { |
| 226 | SDE_ERROR("invalid argument\n"); |
| 227 | return -EINVAL; |
| 228 | } |
| 229 | |
| 230 | c_conn = to_sde_connector(connector); |
| 231 | c_state = to_sde_connector_state(connector->state); |
| 232 | |
| 233 | if (!c_conn->display) { |
| 234 | SDE_ERROR("invalid argument\n"); |
| 235 | return -EINVAL; |
| 236 | } |
| 237 | |
| 238 | if (!c_conn->ops.pre_kickoff) |
| 239 | return 0; |
| 240 | |
| 241 | params.rois = &c_state->rois; |
| 242 | |
| 243 | SDE_EVT32_VERBOSE(connector->base.id); |
| 244 | |
| 245 | rc = c_conn->ops.pre_kickoff(connector, c_conn->display, ¶ms); |
| 246 | |
| 247 | return rc; |
| 248 | } |
| 249 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 250 | static void sde_connector_destroy(struct drm_connector *connector) |
| 251 | { |
| 252 | struct sde_connector *c_conn; |
| 253 | |
| 254 | if (!connector) { |
| 255 | SDE_ERROR("invalid connector\n"); |
| 256 | return; |
| 257 | } |
| 258 | |
| 259 | c_conn = to_sde_connector(connector); |
| 260 | |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 261 | if (c_conn->blob_caps) |
| 262 | drm_property_unreference_blob(c_conn->blob_caps); |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 263 | if (c_conn->blob_hdr) |
| 264 | drm_property_unreference_blob(c_conn->blob_hdr); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 265 | msm_property_destroy(&c_conn->property_info); |
| 266 | |
| 267 | drm_connector_unregister(connector); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 268 | sde_fence_deinit(&c_conn->retire_fence); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 269 | drm_connector_cleanup(connector); |
| 270 | kfree(c_conn); |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * _sde_connector_destroy_fb - clean up connector state's out_fb buffer |
| 275 | * @c_conn: Pointer to sde connector structure |
| 276 | * @c_state: Pointer to sde connector state structure |
| 277 | */ |
| 278 | static void _sde_connector_destroy_fb(struct sde_connector *c_conn, |
| 279 | struct sde_connector_state *c_state) |
| 280 | { |
| 281 | if (!c_state || !c_state->out_fb) { |
| 282 | SDE_ERROR("invalid state %pK\n", c_state); |
| 283 | return; |
| 284 | } |
| 285 | |
| 286 | msm_framebuffer_cleanup(c_state->out_fb, |
| 287 | c_state->mmu_id); |
| 288 | drm_framebuffer_unreference(c_state->out_fb); |
| 289 | c_state->out_fb = NULL; |
| 290 | |
| 291 | if (c_conn) { |
| 292 | c_state->property_values[CONNECTOR_PROP_OUT_FB] = |
| 293 | msm_property_get_default(&c_conn->property_info, |
| 294 | CONNECTOR_PROP_OUT_FB); |
| 295 | } else { |
| 296 | c_state->property_values[CONNECTOR_PROP_OUT_FB] = ~0; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | static void sde_connector_atomic_destroy_state(struct drm_connector *connector, |
| 301 | struct drm_connector_state *state) |
| 302 | { |
| 303 | struct sde_connector *c_conn = NULL; |
| 304 | struct sde_connector_state *c_state = NULL; |
| 305 | |
| 306 | if (!state) { |
| 307 | SDE_ERROR("invalid state\n"); |
| 308 | return; |
| 309 | } |
| 310 | |
| 311 | /* |
| 312 | * The base DRM framework currently always passes in a NULL |
| 313 | * connector pointer. This is not correct, but attempt to |
| 314 | * handle that case as much as possible. |
| 315 | */ |
| 316 | if (connector) |
| 317 | c_conn = to_sde_connector(connector); |
| 318 | c_state = to_sde_connector_state(state); |
| 319 | |
| 320 | if (c_state->out_fb) |
| 321 | _sde_connector_destroy_fb(c_conn, c_state); |
| 322 | |
| 323 | if (!c_conn) { |
| 324 | kfree(c_state); |
| 325 | } else { |
| 326 | /* destroy value helper */ |
| 327 | msm_property_destroy_state(&c_conn->property_info, c_state, |
| 328 | c_state->property_values, 0); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | static void sde_connector_atomic_reset(struct drm_connector *connector) |
| 333 | { |
| 334 | struct sde_connector *c_conn; |
| 335 | struct sde_connector_state *c_state; |
| 336 | |
| 337 | if (!connector) { |
| 338 | SDE_ERROR("invalid connector\n"); |
| 339 | return; |
| 340 | } |
| 341 | |
| 342 | c_conn = to_sde_connector(connector); |
| 343 | |
| 344 | if (connector->state) { |
| 345 | sde_connector_atomic_destroy_state(connector, connector->state); |
| 346 | connector->state = 0; |
| 347 | } |
| 348 | |
| 349 | c_state = msm_property_alloc_state(&c_conn->property_info); |
| 350 | if (!c_state) { |
| 351 | SDE_ERROR("state alloc failed\n"); |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | /* reset value helper, zero out state structure and reset properties */ |
| 356 | msm_property_reset_state(&c_conn->property_info, c_state, |
| 357 | c_state->property_values, 0); |
| 358 | |
| 359 | c_state->base.connector = connector; |
| 360 | connector->state = &c_state->base; |
| 361 | } |
| 362 | |
| 363 | static struct drm_connector_state * |
| 364 | sde_connector_atomic_duplicate_state(struct drm_connector *connector) |
| 365 | { |
| 366 | struct sde_connector *c_conn; |
| 367 | struct sde_connector_state *c_state, *c_oldstate; |
| 368 | int rc; |
| 369 | |
| 370 | if (!connector || !connector->state) { |
| 371 | SDE_ERROR("invalid connector %pK\n", connector); |
| 372 | return NULL; |
| 373 | } |
| 374 | |
| 375 | c_conn = to_sde_connector(connector); |
| 376 | c_oldstate = to_sde_connector_state(connector->state); |
| 377 | c_state = msm_property_alloc_state(&c_conn->property_info); |
| 378 | if (!c_state) { |
| 379 | SDE_ERROR("state alloc failed\n"); |
| 380 | return NULL; |
| 381 | } |
| 382 | |
| 383 | /* duplicate value helper */ |
| 384 | msm_property_duplicate_state(&c_conn->property_info, |
| 385 | c_oldstate, c_state, c_state->property_values, 0); |
| 386 | |
| 387 | /* additional handling for drm framebuffer objects */ |
| 388 | if (c_state->out_fb) { |
| 389 | drm_framebuffer_reference(c_state->out_fb); |
| 390 | rc = msm_framebuffer_prepare(c_state->out_fb, |
| 391 | c_state->mmu_id); |
| 392 | if (rc) |
| 393 | SDE_ERROR("failed to prepare fb, %d\n", rc); |
| 394 | } |
| 395 | |
| 396 | return &c_state->base; |
| 397 | } |
| 398 | |
| 399 | static int sde_connector_atomic_set_property(struct drm_connector *connector, |
| 400 | struct drm_connector_state *state, |
| 401 | struct drm_property *property, |
| 402 | uint64_t val) |
| 403 | { |
| 404 | struct sde_connector *c_conn; |
| 405 | struct sde_connector_state *c_state; |
| 406 | int idx, rc; |
| 407 | |
| 408 | if (!connector || !state || !property) { |
| 409 | SDE_ERROR("invalid argument(s), conn %pK, state %pK, prp %pK\n", |
| 410 | connector, state, property); |
| 411 | return -EINVAL; |
| 412 | } |
| 413 | |
| 414 | c_conn = to_sde_connector(connector); |
| 415 | c_state = to_sde_connector_state(state); |
| 416 | |
| 417 | /* generic property handling */ |
| 418 | rc = msm_property_atomic_set(&c_conn->property_info, |
| 419 | c_state->property_values, 0, property, val); |
| 420 | if (rc) |
| 421 | goto end; |
| 422 | |
| 423 | /* connector-specific property handling */ |
| 424 | idx = msm_property_index(&c_conn->property_info, property); |
| 425 | |
| 426 | if (idx == CONNECTOR_PROP_OUT_FB) { |
| 427 | /* clear old fb, if present */ |
| 428 | if (c_state->out_fb) |
| 429 | _sde_connector_destroy_fb(c_conn, c_state); |
| 430 | |
| 431 | /* convert fb val to drm framebuffer and prepare it */ |
| 432 | c_state->out_fb = |
| 433 | drm_framebuffer_lookup(connector->dev, val); |
Alan Kwong | ae1b114 | 2017-03-05 16:07:10 -0800 | [diff] [blame] | 434 | if (!c_state->out_fb && val) { |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 435 | SDE_ERROR("failed to look up fb %lld\n", val); |
| 436 | rc = -EFAULT; |
Alan Kwong | ae1b114 | 2017-03-05 16:07:10 -0800 | [diff] [blame] | 437 | } else if (!c_state->out_fb && !val) { |
| 438 | SDE_DEBUG("cleared fb_id\n"); |
| 439 | rc = 0; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 440 | } else { |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 441 | msm_framebuffer_set_kmap(c_state->out_fb, |
| 442 | c_conn->fb_kmap); |
| 443 | |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 444 | if (c_state->out_fb->flags & DRM_MODE_FB_SECURE) |
| 445 | c_state->mmu_id = |
| 446 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE]; |
| 447 | else |
| 448 | c_state->mmu_id = |
| 449 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE]; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 450 | |
| 451 | rc = msm_framebuffer_prepare(c_state->out_fb, |
| 452 | c_state->mmu_id); |
| 453 | if (rc) |
| 454 | SDE_ERROR("prep fb failed, %d\n", rc); |
| 455 | } |
| 456 | } |
| 457 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 458 | if (idx == CONNECTOR_PROP_TOPOLOGY_CONTROL) { |
| 459 | rc = sde_rm_check_property_topctl(val); |
| 460 | if (rc) |
| 461 | SDE_ERROR("invalid topology_control: 0x%llX\n", val); |
| 462 | } |
| 463 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 464 | /* check for custom property handling */ |
| 465 | if (!rc && c_conn->ops.set_property) { |
| 466 | rc = c_conn->ops.set_property(connector, |
| 467 | state, |
| 468 | idx, |
| 469 | val, |
| 470 | c_conn->display); |
| 471 | |
| 472 | /* potentially clean up out_fb if rc != 0 */ |
| 473 | if ((idx == CONNECTOR_PROP_OUT_FB) && rc) |
| 474 | _sde_connector_destroy_fb(c_conn, c_state); |
| 475 | } |
| 476 | end: |
| 477 | return rc; |
| 478 | } |
| 479 | |
| 480 | static int sde_connector_set_property(struct drm_connector *connector, |
| 481 | struct drm_property *property, |
| 482 | uint64_t val) |
| 483 | { |
| 484 | if (!connector) { |
| 485 | SDE_ERROR("invalid connector\n"); |
| 486 | return -EINVAL; |
| 487 | } |
| 488 | |
| 489 | return sde_connector_atomic_set_property(connector, |
| 490 | connector->state, property, val); |
| 491 | } |
| 492 | |
| 493 | static int sde_connector_atomic_get_property(struct drm_connector *connector, |
| 494 | const struct drm_connector_state *state, |
| 495 | struct drm_property *property, |
| 496 | uint64_t *val) |
| 497 | { |
| 498 | struct sde_connector *c_conn; |
| 499 | struct sde_connector_state *c_state; |
| 500 | int idx, rc = -EINVAL; |
| 501 | |
| 502 | if (!connector || !state) { |
| 503 | SDE_ERROR("invalid argument(s), conn %pK, state %pK\n", |
| 504 | connector, state); |
| 505 | return -EINVAL; |
| 506 | } |
| 507 | |
| 508 | c_conn = to_sde_connector(connector); |
| 509 | c_state = to_sde_connector_state(state); |
| 510 | |
| 511 | idx = msm_property_index(&c_conn->property_info, property); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 512 | if (idx == CONNECTOR_PROP_RETIRE_FENCE) |
Clarence Ip | 9a74a44 | 2016-08-25 18:29:03 -0400 | [diff] [blame] | 513 | /* |
| 514 | * Set a fence offset if not a virtual connector, so that the |
| 515 | * fence signals after one additional commit rather than at the |
| 516 | * end of the current one. |
| 517 | */ |
| 518 | rc = sde_fence_create(&c_conn->retire_fence, val, |
| 519 | c_conn->connector_type != DRM_MODE_CONNECTOR_VIRTUAL); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 520 | else |
| 521 | /* get cached property value */ |
| 522 | rc = msm_property_atomic_get(&c_conn->property_info, |
| 523 | c_state->property_values, 0, property, val); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 524 | |
| 525 | /* allow for custom override */ |
| 526 | if (c_conn->ops.get_property) |
| 527 | rc = c_conn->ops.get_property(connector, |
| 528 | (struct drm_connector_state *)state, |
| 529 | idx, |
| 530 | val, |
| 531 | c_conn->display); |
| 532 | return rc; |
| 533 | } |
| 534 | |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 535 | void sde_connector_prepare_fence(struct drm_connector *connector) |
| 536 | { |
| 537 | if (!connector) { |
| 538 | SDE_ERROR("invalid connector\n"); |
| 539 | return; |
| 540 | } |
| 541 | |
| 542 | sde_fence_prepare(&to_sde_connector(connector)->retire_fence); |
| 543 | } |
| 544 | |
| 545 | void sde_connector_complete_commit(struct drm_connector *connector) |
| 546 | { |
| 547 | if (!connector) { |
| 548 | SDE_ERROR("invalid connector\n"); |
| 549 | return; |
| 550 | } |
| 551 | |
| 552 | /* signal connector's retire fence */ |
| 553 | sde_fence_signal(&to_sde_connector(connector)->retire_fence, 0); |
| 554 | } |
| 555 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 556 | static enum drm_connector_status |
| 557 | sde_connector_detect(struct drm_connector *connector, bool force) |
| 558 | { |
| 559 | enum drm_connector_status status = connector_status_unknown; |
| 560 | struct sde_connector *c_conn; |
| 561 | |
| 562 | if (!connector) { |
| 563 | SDE_ERROR("invalid connector\n"); |
| 564 | return status; |
| 565 | } |
| 566 | |
| 567 | c_conn = to_sde_connector(connector); |
| 568 | |
| 569 | if (c_conn->ops.detect) |
| 570 | status = c_conn->ops.detect(connector, |
| 571 | force, |
| 572 | c_conn->display); |
| 573 | |
| 574 | return status; |
| 575 | } |
| 576 | |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 577 | #ifdef CONFIG_DEBUG_FS |
| 578 | /** |
| 579 | * sde_connector_init_debugfs - initialize connector debugfs |
| 580 | * @connector: Pointer to drm connector |
| 581 | */ |
| 582 | static int sde_connector_init_debugfs(struct drm_connector *connector) |
| 583 | { |
| 584 | struct sde_connector *sde_connector; |
| 585 | |
| 586 | if (!connector || !connector->debugfs_entry) { |
| 587 | SDE_ERROR("invalid connector\n"); |
| 588 | return -EINVAL; |
| 589 | } |
| 590 | |
| 591 | sde_connector = to_sde_connector(connector); |
| 592 | |
| 593 | if (!debugfs_create_bool("fb_kmap", 0644, connector->debugfs_entry, |
| 594 | &sde_connector->fb_kmap)) { |
| 595 | SDE_ERROR("failed to create connector fb_kmap\n"); |
| 596 | return -ENOMEM; |
| 597 | } |
| 598 | |
| 599 | return 0; |
| 600 | } |
| 601 | #else |
| 602 | static int sde_connector_init_debugfs(struct drm_connector *connector) |
| 603 | { |
| 604 | return 0; |
| 605 | } |
| 606 | #endif |
| 607 | |
| 608 | static int sde_connector_late_register(struct drm_connector *connector) |
| 609 | { |
| 610 | return sde_connector_init_debugfs(connector); |
| 611 | } |
| 612 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 613 | static void sde_connector_early_unregister(struct drm_connector *connector) |
| 614 | { |
| 615 | /* debugfs under connector->debugfs are deleted by drm_debugfs */ |
| 616 | } |
| 617 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 618 | static const struct drm_connector_funcs sde_connector_ops = { |
| 619 | .dpms = drm_atomic_helper_connector_dpms, |
| 620 | .reset = sde_connector_atomic_reset, |
| 621 | .detect = sde_connector_detect, |
| 622 | .destroy = sde_connector_destroy, |
| 623 | .fill_modes = drm_helper_probe_single_connector_modes, |
| 624 | .atomic_duplicate_state = sde_connector_atomic_duplicate_state, |
| 625 | .atomic_destroy_state = sde_connector_atomic_destroy_state, |
| 626 | .atomic_set_property = sde_connector_atomic_set_property, |
| 627 | .atomic_get_property = sde_connector_atomic_get_property, |
| 628 | .set_property = sde_connector_set_property, |
Alan Kwong | 578cdaf | 2017-01-28 17:25:43 -0800 | [diff] [blame] | 629 | .late_register = sde_connector_late_register, |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 630 | .early_unregister = sde_connector_early_unregister, |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 631 | }; |
| 632 | |
| 633 | static int sde_connector_get_modes(struct drm_connector *connector) |
| 634 | { |
| 635 | struct sde_connector *c_conn; |
| 636 | |
| 637 | if (!connector) { |
| 638 | SDE_ERROR("invalid connector\n"); |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | c_conn = to_sde_connector(connector); |
| 643 | if (!c_conn->ops.get_modes) { |
| 644 | SDE_DEBUG("missing get_modes callback\n"); |
| 645 | return 0; |
| 646 | } |
| 647 | |
| 648 | return c_conn->ops.get_modes(connector, c_conn->display); |
| 649 | } |
| 650 | |
| 651 | static enum drm_mode_status |
| 652 | sde_connector_mode_valid(struct drm_connector *connector, |
| 653 | struct drm_display_mode *mode) |
| 654 | { |
| 655 | struct sde_connector *c_conn; |
| 656 | |
| 657 | if (!connector || !mode) { |
| 658 | SDE_ERROR("invalid argument(s), conn %pK, mode %pK\n", |
| 659 | connector, mode); |
| 660 | return MODE_ERROR; |
| 661 | } |
| 662 | |
| 663 | c_conn = to_sde_connector(connector); |
| 664 | |
| 665 | if (c_conn->ops.mode_valid) |
| 666 | return c_conn->ops.mode_valid(connector, mode, c_conn->display); |
| 667 | |
| 668 | /* assume all modes okay by default */ |
| 669 | return MODE_OK; |
| 670 | } |
| 671 | |
| 672 | static struct drm_encoder * |
| 673 | sde_connector_best_encoder(struct drm_connector *connector) |
| 674 | { |
| 675 | struct sde_connector *c_conn = to_sde_connector(connector); |
| 676 | |
| 677 | if (!connector) { |
| 678 | SDE_ERROR("invalid connector\n"); |
| 679 | return NULL; |
| 680 | } |
| 681 | |
| 682 | /* |
| 683 | * This is true for now, revisit this code when multiple encoders are |
| 684 | * supported. |
| 685 | */ |
| 686 | return c_conn->encoder; |
| 687 | } |
| 688 | |
| 689 | static const struct drm_connector_helper_funcs sde_connector_helper_ops = { |
| 690 | .get_modes = sde_connector_get_modes, |
| 691 | .mode_valid = sde_connector_mode_valid, |
| 692 | .best_encoder = sde_connector_best_encoder, |
| 693 | }; |
| 694 | |
| 695 | struct drm_connector *sde_connector_init(struct drm_device *dev, |
| 696 | struct drm_encoder *encoder, |
| 697 | struct drm_panel *panel, |
| 698 | void *display, |
| 699 | const struct sde_connector_ops *ops, |
| 700 | int connector_poll, |
| 701 | int connector_type) |
| 702 | { |
| 703 | struct msm_drm_private *priv; |
| 704 | struct sde_kms *sde_kms; |
| 705 | struct sde_kms_info *info; |
| 706 | struct sde_connector *c_conn = NULL; |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 707 | struct dsi_display *dsi_display; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 708 | int rc; |
| 709 | |
| 710 | if (!dev || !dev->dev_private || !encoder) { |
| 711 | SDE_ERROR("invalid argument(s), dev %pK, enc %pK\n", |
| 712 | dev, encoder); |
| 713 | return ERR_PTR(-EINVAL); |
| 714 | } |
| 715 | |
| 716 | priv = dev->dev_private; |
| 717 | if (!priv->kms) { |
| 718 | SDE_ERROR("invalid kms reference\n"); |
| 719 | return ERR_PTR(-EINVAL); |
| 720 | } |
| 721 | |
| 722 | c_conn = kzalloc(sizeof(*c_conn), GFP_KERNEL); |
| 723 | if (!c_conn) { |
| 724 | SDE_ERROR("failed to alloc sde connector\n"); |
| 725 | return ERR_PTR(-ENOMEM); |
| 726 | } |
| 727 | |
| 728 | rc = drm_connector_init(dev, |
| 729 | &c_conn->base, |
| 730 | &sde_connector_ops, |
| 731 | connector_type); |
| 732 | if (rc) |
| 733 | goto error_free_conn; |
| 734 | |
Clarence Ip | a18d483 | 2017-03-13 12:35:44 -0700 | [diff] [blame] | 735 | spin_lock_init(&c_conn->event_lock); |
| 736 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 737 | c_conn->connector_type = connector_type; |
| 738 | c_conn->encoder = encoder; |
| 739 | c_conn->panel = panel; |
| 740 | c_conn->display = display; |
| 741 | |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 742 | /* cache mmu_id's for later */ |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 743 | sde_kms = to_sde_kms(priv->kms); |
Alan Kwong | dfa8c08 | 2016-07-29 04:10:00 -0400 | [diff] [blame] | 744 | if (sde_kms->vbif[VBIF_NRT]) { |
| 745 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
| 746 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_UNSECURE]; |
| 747 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
| 748 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_NRT_SECURE]; |
| 749 | } else { |
| 750 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_UNSECURE] = |
| 751 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_UNSECURE]; |
| 752 | c_conn->mmu_id[SDE_IOMMU_DOMAIN_SECURE] = |
| 753 | sde_kms->mmu_id[MSM_SMMU_DOMAIN_SECURE]; |
| 754 | } |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 755 | |
| 756 | if (ops) |
| 757 | c_conn->ops = *ops; |
| 758 | |
| 759 | c_conn->base.helper_private = &sde_connector_helper_ops; |
| 760 | c_conn->base.polled = connector_poll; |
| 761 | c_conn->base.interlace_allowed = 0; |
| 762 | c_conn->base.doublescan_allowed = 0; |
| 763 | |
| 764 | snprintf(c_conn->name, |
| 765 | SDE_CONNECTOR_NAME_SIZE, |
| 766 | "conn%u", |
| 767 | c_conn->base.base.id); |
| 768 | |
Lloyd Atkinson | 5d40d31 | 2016-09-06 08:34:13 -0400 | [diff] [blame] | 769 | rc = sde_fence_init(&c_conn->retire_fence, c_conn->name, |
| 770 | c_conn->base.base.id); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 771 | if (rc) { |
| 772 | SDE_ERROR("failed to init fence, %d\n", rc); |
| 773 | goto error_cleanup_conn; |
| 774 | } |
| 775 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 776 | rc = drm_mode_connector_attach_encoder(&c_conn->base, encoder); |
| 777 | if (rc) { |
| 778 | SDE_ERROR("failed to attach encoder to connector, %d\n", rc); |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 779 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 780 | } |
| 781 | |
Dhaval Patel | 7cdd666 | 2017-03-08 13:10:37 -0800 | [diff] [blame] | 782 | rc = sde_backlight_setup(c_conn); |
| 783 | if (rc) { |
| 784 | SDE_ERROR("failed to setup backlight, rc=%d\n", rc); |
| 785 | goto error_cleanup_fence; |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 786 | } |
| 787 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 788 | /* create properties */ |
| 789 | msm_property_init(&c_conn->property_info, &c_conn->base.base, dev, |
| 790 | priv->conn_property, c_conn->property_data, |
| 791 | CONNECTOR_PROP_COUNT, CONNECTOR_PROP_BLOBCOUNT, |
| 792 | sizeof(struct sde_connector_state)); |
| 793 | |
| 794 | if (c_conn->ops.post_init) { |
| 795 | info = kmalloc(sizeof(*info), GFP_KERNEL); |
| 796 | if (!info) { |
| 797 | SDE_ERROR("failed to allocate info buffer\n"); |
| 798 | rc = -ENOMEM; |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 799 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 800 | } |
| 801 | |
| 802 | sde_kms_info_reset(info); |
| 803 | rc = c_conn->ops.post_init(&c_conn->base, info, display); |
| 804 | if (rc) { |
| 805 | SDE_ERROR("post-init failed, %d\n", rc); |
| 806 | kfree(info); |
Lloyd Atkinson | ab3dd30 | 2017-02-13 10:44:55 -0800 | [diff] [blame] | 807 | goto error_cleanup_fence; |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | msm_property_install_blob(&c_conn->property_info, |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 811 | "capabilities", |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 812 | DRM_MODE_PROP_IMMUTABLE, |
| 813 | CONNECTOR_PROP_SDE_INFO); |
| 814 | |
| 815 | msm_property_set_blob(&c_conn->property_info, |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 816 | &c_conn->blob_caps, |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 817 | SDE_KMS_INFO_DATA(info), |
| 818 | SDE_KMS_INFO_DATALEN(info), |
| 819 | CONNECTOR_PROP_SDE_INFO); |
| 820 | kfree(info); |
| 821 | } |
| 822 | |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 823 | if (connector_type == DRM_MODE_CONNECTOR_DSI) { |
| 824 | dsi_display = (struct dsi_display *)(display); |
| 825 | if (dsi_display && dsi_display->panel && |
| 826 | dsi_display->panel->hdr_props.hdr_enabled == true) { |
| 827 | msm_property_install_blob(&c_conn->property_info, |
| 828 | "hdr_properties", |
| 829 | DRM_MODE_PROP_IMMUTABLE, |
| 830 | CONNECTOR_PROP_HDR_INFO); |
| 831 | |
| 832 | msm_property_set_blob(&c_conn->property_info, |
| 833 | &c_conn->blob_hdr, |
| 834 | &dsi_display->panel->hdr_props, |
| 835 | sizeof(dsi_display->panel->hdr_props), |
| 836 | CONNECTOR_PROP_HDR_INFO); |
| 837 | } |
| 838 | } |
| 839 | |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 840 | msm_property_install_range(&c_conn->property_info, "RETIRE_FENCE", |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 841 | 0x0, 0, INR_OPEN_MAX, 0, CONNECTOR_PROP_RETIRE_FENCE); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 842 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 843 | /* enum/bitmask properties */ |
| 844 | msm_property_install_enum(&c_conn->property_info, "topology_name", |
| 845 | DRM_MODE_PROP_IMMUTABLE, 0, e_topology_name, |
| 846 | ARRAY_SIZE(e_topology_name), |
| 847 | CONNECTOR_PROP_TOPOLOGY_NAME); |
| 848 | msm_property_install_enum(&c_conn->property_info, "topology_control", |
| 849 | 0, 1, e_topology_control, |
| 850 | ARRAY_SIZE(e_topology_control), |
| 851 | CONNECTOR_PROP_TOPOLOGY_CONTROL); |
| 852 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 853 | rc = msm_property_install_get_status(&c_conn->property_info); |
| 854 | if (rc) { |
| 855 | SDE_ERROR("failed to create one or more properties\n"); |
| 856 | goto error_destroy_property; |
| 857 | } |
| 858 | |
Lloyd Atkinson | b619197 | 2016-08-10 18:31:46 -0400 | [diff] [blame] | 859 | SDE_DEBUG("connector %d attach encoder %d\n", |
| 860 | c_conn->base.base.id, encoder->base.id); |
| 861 | |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 862 | priv->connectors[priv->num_connectors++] = &c_conn->base; |
| 863 | |
| 864 | return &c_conn->base; |
| 865 | |
| 866 | error_destroy_property: |
Dhaval Patel | 4e57484 | 2016-08-23 15:11:37 -0700 | [diff] [blame] | 867 | if (c_conn->blob_caps) |
| 868 | drm_property_unreference_blob(c_conn->blob_caps); |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 869 | if (c_conn->blob_hdr) |
| 870 | drm_property_unreference_blob(c_conn->blob_hdr); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 871 | msm_property_destroy(&c_conn->property_info); |
Clarence Ip | e59fb3f | 2016-07-26 13:39:59 -0400 | [diff] [blame] | 872 | error_cleanup_fence: |
| 873 | sde_fence_deinit(&c_conn->retire_fence); |
Clarence Ip | dd8021c | 2016-07-20 16:39:47 -0400 | [diff] [blame] | 874 | error_cleanup_conn: |
| 875 | drm_connector_cleanup(&c_conn->base); |
| 876 | error_free_conn: |
| 877 | kfree(c_conn); |
| 878 | |
| 879 | return ERR_PTR(rc); |
| 880 | } |
Gopikrishnaiah Anandan | de2c81b | 2017-03-15 12:41:29 -0700 | [diff] [blame] | 881 | |
| 882 | int sde_connector_register_custom_event(struct sde_kms *kms, |
| 883 | struct drm_connector *conn_drm, u32 event, bool val) |
| 884 | { |
| 885 | return -EINVAL; |
| 886 | } |