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