radeon_encoders.c revision 1.1.1.1.30.1
1 /* $NetBSD: radeon_encoders.c,v 1.1.1.1.30.1 2018/09/06 06:56:32 pgoyette Exp $ */ 2 3 /* 4 * Copyright 2007-8 Advanced Micro Devices, Inc. 5 * Copyright 2008 Red Hat Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: Dave Airlie 26 * Alex Deucher 27 */ 28 #include <sys/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: radeon_encoders.c,v 1.1.1.1.30.1 2018/09/06 06:56:32 pgoyette Exp $"); 30 31 #include <drm/drmP.h> 32 #include <drm/drm_crtc_helper.h> 33 #include <drm/radeon_drm.h> 34 #include "radeon.h" 35 #include "atom.h" 36 37 extern void 38 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 39 struct drm_connector *drm_connector); 40 extern void 41 radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, 42 struct drm_connector *drm_connector); 43 44 45 static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 46 { 47 struct drm_device *dev = encoder->dev; 48 struct radeon_device *rdev = dev->dev_private; 49 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 50 struct drm_encoder *clone_encoder; 51 uint32_t index_mask = 0; 52 int count; 53 54 /* DIG routing gets problematic */ 55 if (rdev->family >= CHIP_R600) 56 return index_mask; 57 /* LVDS/TV are too wacky */ 58 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 59 return index_mask; 60 /* DVO requires 2x ppll clocks depending on tmds chip */ 61 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 62 return index_mask; 63 64 count = -1; 65 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 66 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 67 count++; 68 69 if (clone_encoder == encoder) 70 continue; 71 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 72 continue; 73 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 74 continue; 75 else 76 index_mask |= (1 << count); 77 } 78 return index_mask; 79 } 80 81 void radeon_setup_encoder_clones(struct drm_device *dev) 82 { 83 struct drm_encoder *encoder; 84 85 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 86 encoder->possible_clones = radeon_encoder_clones(encoder); 87 } 88 } 89 90 uint32_t 91 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 92 { 93 struct radeon_device *rdev = dev->dev_private; 94 uint32_t ret = 0; 95 96 switch (supported_device) { 97 case ATOM_DEVICE_CRT1_SUPPORT: 98 case ATOM_DEVICE_TV1_SUPPORT: 99 case ATOM_DEVICE_TV2_SUPPORT: 100 case ATOM_DEVICE_CRT2_SUPPORT: 101 case ATOM_DEVICE_CV_SUPPORT: 102 switch (dac) { 103 case 1: /* dac a */ 104 if ((rdev->family == CHIP_RS300) || 105 (rdev->family == CHIP_RS400) || 106 (rdev->family == CHIP_RS480)) 107 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 108 else if (ASIC_IS_AVIVO(rdev)) 109 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 110 else 111 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 112 break; 113 case 2: /* dac b */ 114 if (ASIC_IS_AVIVO(rdev)) 115 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 116 else { 117 /*if (rdev->family == CHIP_R200) 118 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 119 else*/ 120 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 121 } 122 break; 123 case 3: /* external dac */ 124 if (ASIC_IS_AVIVO(rdev)) 125 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 126 else 127 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 128 break; 129 } 130 break; 131 case ATOM_DEVICE_LCD1_SUPPORT: 132 if (ASIC_IS_AVIVO(rdev)) 133 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 134 else 135 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 136 break; 137 case ATOM_DEVICE_DFP1_SUPPORT: 138 if ((rdev->family == CHIP_RS300) || 139 (rdev->family == CHIP_RS400) || 140 (rdev->family == CHIP_RS480)) 141 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 142 else if (ASIC_IS_AVIVO(rdev)) 143 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 144 else 145 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 146 break; 147 case ATOM_DEVICE_LCD2_SUPPORT: 148 case ATOM_DEVICE_DFP2_SUPPORT: 149 if ((rdev->family == CHIP_RS600) || 150 (rdev->family == CHIP_RS690) || 151 (rdev->family == CHIP_RS740)) 152 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 153 else if (ASIC_IS_AVIVO(rdev)) 154 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 155 else 156 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 157 break; 158 case ATOM_DEVICE_DFP3_SUPPORT: 159 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 160 break; 161 } 162 163 return ret; 164 } 165 166 static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 167 struct drm_connector *connector) 168 { 169 struct drm_device *dev = radeon_encoder->base.dev; 170 struct radeon_device *rdev = dev->dev_private; 171 bool use_bl = false; 172 173 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 174 return; 175 176 if (radeon_backlight == 0) { 177 return; 178 } else if (radeon_backlight == 1) { 179 use_bl = true; 180 } else if (radeon_backlight == -1) { 181 /* Quirks */ 182 /* Amilo Xi 2550 only works with acpi bl */ 183 if ((rdev->pdev->device == 0x9583) && 184 (rdev->pdev->subsystem_vendor == 0x1734) && 185 (rdev->pdev->subsystem_device == 0x1107)) 186 use_bl = false; 187 /* Older PPC macs use on-GPU backlight controller */ 188 #ifndef CONFIG_PPC_PMAC 189 /* disable native backlight control on older asics */ 190 else if (rdev->family < CHIP_R600) 191 use_bl = false; 192 #endif 193 else 194 use_bl = true; 195 } 196 197 if (use_bl) { 198 if (rdev->is_atom_bios) 199 radeon_atom_backlight_init(radeon_encoder, connector); 200 else 201 radeon_legacy_backlight_init(radeon_encoder, connector); 202 } 203 } 204 205 void 206 radeon_link_encoder_connector(struct drm_device *dev) 207 { 208 struct drm_connector *connector; 209 struct radeon_connector *radeon_connector; 210 struct drm_encoder *encoder; 211 struct radeon_encoder *radeon_encoder; 212 213 /* walk the list and link encoders to connectors */ 214 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 215 radeon_connector = to_radeon_connector(connector); 216 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 217 radeon_encoder = to_radeon_encoder(encoder); 218 if (radeon_encoder->devices & radeon_connector->devices) { 219 drm_mode_connector_attach_encoder(connector, encoder); 220 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 221 radeon_encoder_add_backlight(radeon_encoder, connector); 222 } 223 } 224 } 225 } 226 227 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 228 { 229 struct drm_device *dev = encoder->dev; 230 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 231 struct drm_connector *connector; 232 233 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 234 if (connector->encoder == encoder) { 235 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 236 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 237 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 238 radeon_encoder->active_device, radeon_encoder->devices, 239 radeon_connector->devices, encoder->encoder_type); 240 } 241 } 242 } 243 244 struct drm_connector * 245 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 246 { 247 struct drm_device *dev = encoder->dev; 248 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 249 struct drm_connector *connector; 250 struct radeon_connector *radeon_connector; 251 252 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 253 radeon_connector = to_radeon_connector(connector); 254 if (radeon_encoder->is_mst_encoder) { 255 struct radeon_encoder_mst *mst_enc; 256 257 if (!radeon_connector->is_mst_connector) 258 continue; 259 260 mst_enc = radeon_encoder->enc_priv; 261 if (mst_enc->connector == radeon_connector->mst_port) 262 return connector; 263 } else if (radeon_encoder->active_device & radeon_connector->devices) 264 return connector; 265 } 266 return NULL; 267 } 268 269 struct drm_connector * 270 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 271 { 272 struct drm_device *dev = encoder->dev; 273 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 274 struct drm_connector *connector; 275 struct radeon_connector *radeon_connector; 276 277 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 278 radeon_connector = to_radeon_connector(connector); 279 if (radeon_encoder->devices & radeon_connector->devices) 280 return connector; 281 } 282 return NULL; 283 } 284 285 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 286 { 287 struct drm_device *dev = encoder->dev; 288 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 289 struct drm_encoder *other_encoder; 290 struct radeon_encoder *other_radeon_encoder; 291 292 if (radeon_encoder->is_ext_encoder) 293 return NULL; 294 295 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 296 if (other_encoder == encoder) 297 continue; 298 other_radeon_encoder = to_radeon_encoder(other_encoder); 299 if (other_radeon_encoder->is_ext_encoder && 300 (radeon_encoder->devices & other_radeon_encoder->devices)) 301 return other_encoder; 302 } 303 return NULL; 304 } 305 306 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 307 { 308 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 309 310 if (other_encoder) { 311 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 312 313 switch (radeon_encoder->encoder_id) { 314 case ENCODER_OBJECT_ID_TRAVIS: 315 case ENCODER_OBJECT_ID_NUTMEG: 316 return radeon_encoder->encoder_id; 317 default: 318 return ENCODER_OBJECT_ID_NONE; 319 } 320 } 321 return ENCODER_OBJECT_ID_NONE; 322 } 323 324 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 325 struct drm_display_mode *adjusted_mode) 326 { 327 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 328 struct drm_device *dev = encoder->dev; 329 struct radeon_device *rdev = dev->dev_private; 330 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 331 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 332 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 333 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 334 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 335 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 336 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 337 338 adjusted_mode->clock = native_mode->clock; 339 adjusted_mode->flags = native_mode->flags; 340 341 if (ASIC_IS_AVIVO(rdev)) { 342 adjusted_mode->hdisplay = native_mode->hdisplay; 343 adjusted_mode->vdisplay = native_mode->vdisplay; 344 } 345 346 adjusted_mode->htotal = native_mode->hdisplay + hblank; 347 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 348 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 349 350 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 351 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 352 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 353 354 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 355 356 if (ASIC_IS_AVIVO(rdev)) { 357 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 358 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 359 } 360 361 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 362 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 363 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 364 365 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 366 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 367 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 368 369 } 370 371 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 372 u32 pixel_clock) 373 { 374 struct drm_device *dev = encoder->dev; 375 struct radeon_device *rdev = dev->dev_private; 376 struct drm_connector *connector; 377 struct radeon_connector *radeon_connector; 378 struct radeon_connector_atom_dig *dig_connector; 379 380 connector = radeon_get_connector_for_encoder(encoder); 381 /* if we don't have an active device yet, just use one of 382 * the connectors tied to the encoder. 383 */ 384 if (!connector) 385 connector = radeon_get_connector_for_encoder_init(encoder); 386 radeon_connector = to_radeon_connector(connector); 387 388 switch (connector->connector_type) { 389 case DRM_MODE_CONNECTOR_DVII: 390 case DRM_MODE_CONNECTOR_HDMIB: 391 if (radeon_connector->use_digital) { 392 /* HDMI 1.3 supports up to 340 Mhz over single link */ 393 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 394 if (pixel_clock > 340000) 395 return true; 396 else 397 return false; 398 } else { 399 if (pixel_clock > 165000) 400 return true; 401 else 402 return false; 403 } 404 } else 405 return false; 406 case DRM_MODE_CONNECTOR_DVID: 407 case DRM_MODE_CONNECTOR_HDMIA: 408 case DRM_MODE_CONNECTOR_DisplayPort: 409 if (radeon_connector->is_mst_connector) 410 return false; 411 412 dig_connector = radeon_connector->con_priv; 413 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 414 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 415 return false; 416 else { 417 /* HDMI 1.3 supports up to 340 Mhz over single link */ 418 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 419 if (pixel_clock > 340000) 420 return true; 421 else 422 return false; 423 } else { 424 if (pixel_clock > 165000) 425 return true; 426 else 427 return false; 428 } 429 } 430 default: 431 return false; 432 } 433 } 434 435 bool radeon_encoder_is_digital(struct drm_encoder *encoder) 436 { 437 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 438 switch (radeon_encoder->encoder_id) { 439 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 440 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 441 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 442 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 443 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 444 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 445 case ENCODER_OBJECT_ID_INTERNAL_DDI: 446 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 447 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 448 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 449 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 450 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 451 return true; 452 default: 453 return false; 454 } 455 } 456
Indexes created Sun Oct 19 02:09:48 GMT 2025