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