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