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