radeon_encoders.c revision 1.6
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 32extern void 33radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 34 struct drm_connector *drm_connector); 35extern void 36radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, 37 struct drm_connector *drm_connector); 38 39 40static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 41{ 42 struct drm_device *dev = encoder->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 45 struct drm_encoder *clone_encoder; 46 uint32_t index_mask = 0; 47 int count; 48 49 /* DIG routing gets problematic */ 50 if (rdev->family >= CHIP_R600) 51 return index_mask; 52 /* LVDS/TV are too wacky */ 53 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 54 return index_mask; 55 /* DVO requires 2x ppll clocks depending on tmds chip */ 56 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 57 return index_mask; 58 59 count = -1; 60 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 61 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 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 76void 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 85uint32_t 86radeon_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 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 116 } 117 break; 118 case 3: /* external dac */ 119 if (ASIC_IS_AVIVO(rdev)) 120 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 121 else 122 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 123 break; 124 } 125 break; 126 case ATOM_DEVICE_LCD1_SUPPORT: 127 if (ASIC_IS_AVIVO(rdev)) 128 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 129 else 130 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 131 break; 132 case ATOM_DEVICE_DFP1_SUPPORT: 133 if ((rdev->family == CHIP_RS300) || 134 (rdev->family == CHIP_RS400) || 135 (rdev->family == CHIP_RS480)) 136 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 137 else if (ASIC_IS_AVIVO(rdev)) 138 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 139 else 140 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 141 break; 142 case ATOM_DEVICE_LCD2_SUPPORT: 143 case ATOM_DEVICE_DFP2_SUPPORT: 144 if ((rdev->family == CHIP_RS600) || 145 (rdev->family == CHIP_RS690) || 146 (rdev->family == CHIP_RS740)) 147 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 148 else if (ASIC_IS_AVIVO(rdev)) 149 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 150 else 151 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 152 break; 153 case ATOM_DEVICE_DFP3_SUPPORT: 154 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 155 break; 156 } 157 158 return ret; 159} 160 161static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 162 struct drm_connector *connector) 163{ 164 struct drm_device *dev = radeon_encoder->base.dev; 165 struct radeon_device *rdev = dev->dev_private; 166 bool use_bl = false; 167 168 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 169 return; 170 171 if (radeon_backlight == 0) { 172 return; 173 } else if (radeon_backlight == 1) { 174 use_bl = true; 175 } else if (radeon_backlight == -1) { 176 /* Quirks */ 177 /* Amilo Xi 2550 only works with acpi bl */ 178 if ((rdev->pdev->device == 0x9583) && 179 (rdev->pdev->subsystem_vendor == 0x1734) && 180 (rdev->pdev->subsystem_device == 0x1107)) 181 use_bl = false; 182/* Older PPC macs use on-GPU backlight controller */ 183#ifndef CONFIG_PPC_PMAC 184 /* disable native backlight control on older asics */ 185 else if (rdev->family < CHIP_R600) 186 use_bl = false; 187#endif 188 else 189 use_bl = true; 190 } 191 192 if (use_bl) { 193 if (rdev->is_atom_bios) 194 radeon_atom_backlight_init(radeon_encoder, connector); 195 else 196 radeon_legacy_backlight_init(radeon_encoder, connector); 197 } 198} 199 200void 201radeon_link_encoder_connector(struct drm_device *dev) 202{ 203 struct drm_connector *connector; 204 struct radeon_connector *radeon_connector; 205 struct drm_encoder *encoder; 206 struct radeon_encoder *radeon_encoder; 207 208 /* walk the list and link encoders to connectors */ 209 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 210 radeon_connector = to_radeon_connector(connector); 211 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 212 radeon_encoder = to_radeon_encoder(encoder); 213 if (radeon_encoder->devices & radeon_connector->devices) { 214 drm_connector_attach_encoder(connector, encoder); 215 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 216 radeon_encoder_add_backlight(radeon_encoder, connector); 217 } 218 } 219 } 220} 221 222void radeon_encoder_set_active_device(struct drm_encoder *encoder) 223{ 224 struct drm_device *dev = encoder->dev; 225 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 226 struct drm_connector *connector; 227 228 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 229 if (connector->encoder == encoder) { 230 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 231 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 232 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 233 radeon_encoder->active_device, radeon_encoder->devices, 234 radeon_connector->devices, encoder->encoder_type); 235 } 236 } 237} 238 239struct drm_connector * 240radeon_get_connector_for_encoder(struct drm_encoder *encoder) 241{ 242 struct drm_device *dev = encoder->dev; 243 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 244 struct drm_connector *connector; 245 struct radeon_connector *radeon_connector; 246 247 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 248 radeon_connector = to_radeon_connector(connector); 249 if (radeon_encoder->is_mst_encoder) { 250 struct radeon_encoder_mst *mst_enc; 251 252 if (!radeon_connector->is_mst_connector) 253 continue; 254 255 mst_enc = radeon_encoder->enc_priv; 256 if (mst_enc->connector == radeon_connector->mst_port) 257 return connector; 258 } else if (radeon_encoder->active_device & radeon_connector->devices) 259 return connector; 260 } 261 return NULL; 262} 263 264struct drm_connector * 265radeon_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 280struct 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 301u16 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 319void 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 hblank = native_mode->htotal - native_mode->hdisplay; 327 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 328 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 329 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 330 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 331 unsigned 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 366bool 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 if (radeon_connector->is_mst_connector) 405 return false; 406 407 dig_connector = radeon_connector->con_priv; 408 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 409 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 410 return false; 411 else { 412 /* HDMI 1.3 supports up to 340 Mhz over single link */ 413 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 414 if (pixel_clock > 340000) 415 return true; 416 else 417 return false; 418 } else { 419 if (pixel_clock > 165000) 420 return true; 421 else 422 return false; 423 } 424 } 425 default: 426 return false; 427 } 428} 429 430bool radeon_encoder_is_digital(struct drm_encoder *encoder) 431{ 432 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 433 switch (radeon_encoder->encoder_id) { 434 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 435 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 436 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 437 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 438 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 439 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 440 case ENCODER_OBJECT_ID_INTERNAL_DDI: 441 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 442 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 443 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 444 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 445 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 446 return true; 447 default: 448 return false; 449 } 450} 451