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