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