radeon_encoders.c revision 1.7
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 "atom.h" 35 36extern void 37radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 38 struct drm_connector *drm_connector); 39extern void 40radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, 41 struct drm_connector *drm_connector); 42 43 44static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 45{ 46 struct drm_device *dev = encoder->dev; 47 struct radeon_device *rdev = dev->dev_private; 48 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 49 struct drm_encoder *clone_encoder; 50 uint32_t index_mask = 0; 51 int count; 52 53 /* DIG routing gets problematic */ 54 if (rdev->family >= CHIP_R600) 55 return index_mask; 56 /* LVDS/TV are too wacky */ 57 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 58 return index_mask; 59 /* DVO requires 2x ppll clocks depending on tmds chip */ 60 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 61 return index_mask; 62 63 count = -1; 64 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 65 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 66 count++; 67 68 if (clone_encoder == encoder) 69 continue; 70 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 71 continue; 72 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 73 continue; 74 else 75 index_mask |= (1 << count); 76 } 77 return index_mask; 78} 79 80void radeon_setup_encoder_clones(struct drm_device *dev) 81{ 82 struct drm_encoder *encoder; 83 84 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 85 encoder->possible_clones = radeon_encoder_clones(encoder); 86 } 87} 88 89uint32_t 90radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 91{ 92 struct radeon_device *rdev = dev->dev_private; 93 uint32_t ret = 0; 94 95 switch (supported_device) { 96 case ATOM_DEVICE_CRT1_SUPPORT: 97 case ATOM_DEVICE_TV1_SUPPORT: 98 case ATOM_DEVICE_TV2_SUPPORT: 99 case ATOM_DEVICE_CRT2_SUPPORT: 100 case ATOM_DEVICE_CV_SUPPORT: 101 switch (dac) { 102 case 1: /* dac a */ 103 if ((rdev->family == CHIP_RS300) || 104 (rdev->family == CHIP_RS400) || 105 (rdev->family == CHIP_RS480)) 106 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 107 else if (ASIC_IS_AVIVO(rdev)) 108 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 109 else 110 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 111 break; 112 case 2: /* dac b */ 113 if (ASIC_IS_AVIVO(rdev)) 114 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 115 else { 116 /*if (rdev->family == CHIP_R200) 117 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 118 else*/ 119 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 120 } 121 break; 122 case 3: /* external dac */ 123 if (ASIC_IS_AVIVO(rdev)) 124 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 125 else 126 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 127 break; 128 } 129 break; 130 case ATOM_DEVICE_LCD1_SUPPORT: 131 if (ASIC_IS_AVIVO(rdev)) 132 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 133 else 134 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 135 break; 136 case ATOM_DEVICE_DFP1_SUPPORT: 137 if ((rdev->family == CHIP_RS300) || 138 (rdev->family == CHIP_RS400) || 139 (rdev->family == CHIP_RS480)) 140 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 141 else if (ASIC_IS_AVIVO(rdev)) 142 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 143 else 144 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 145 break; 146 case ATOM_DEVICE_LCD2_SUPPORT: 147 case ATOM_DEVICE_DFP2_SUPPORT: 148 if ((rdev->family == CHIP_RS600) || 149 (rdev->family == CHIP_RS690) || 150 (rdev->family == CHIP_RS740)) 151 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 152 else if (ASIC_IS_AVIVO(rdev)) 153 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 154 else 155 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 156 break; 157 case ATOM_DEVICE_DFP3_SUPPORT: 158 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 159 break; 160 } 161 162 return ret; 163} 164 165static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 166 struct drm_connector *connector) 167{ 168 struct drm_device *dev = radeon_encoder->base.dev; 169 struct radeon_device *rdev = dev->dev_private; 170 bool use_bl = false; 171 172 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 173 return; 174 175 if (radeon_backlight == 0) { 176 return; 177 } else if (radeon_backlight == 1) { 178 use_bl = true; 179 } else if (radeon_backlight == -1) { 180 /* Quirks */ 181 /* Amilo Xi 2550 only works with acpi bl */ 182 if ((rdev->pdev->device == 0x9583) && 183 (rdev->pdev->subsystem_vendor == 0x1734) && 184 (rdev->pdev->subsystem_device == 0x1107)) 185 use_bl = false; 186/* Older PPC macs use on-GPU backlight controller */ 187#ifndef CONFIG_PPC_PMAC 188 /* disable native backlight control on older asics */ 189 else if (rdev->family < CHIP_R600) 190 use_bl = false; 191#endif 192 else 193 use_bl = true; 194 } 195 196 if (use_bl) { 197 if (rdev->is_atom_bios) 198 radeon_atom_backlight_init(radeon_encoder, connector); 199 else 200 radeon_legacy_backlight_init(radeon_encoder, connector); 201 } 202} 203 204void 205radeon_link_encoder_connector(struct drm_device *dev) 206{ 207 struct drm_connector *connector; 208 struct radeon_connector *radeon_connector; 209 struct drm_encoder *encoder; 210 struct radeon_encoder *radeon_encoder; 211 212 /* walk the list and link encoders to connectors */ 213 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 214 radeon_connector = to_radeon_connector(connector); 215 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 216 radeon_encoder = to_radeon_encoder(encoder); 217 if (radeon_encoder->devices & radeon_connector->devices) { 218 drm_connector_attach_encoder(connector, encoder); 219 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 220 radeon_encoder_add_backlight(radeon_encoder, connector); 221 } 222 } 223 } 224} 225 226void radeon_encoder_set_active_device(struct drm_encoder *encoder) 227{ 228 struct drm_device *dev = encoder->dev; 229 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 230 struct drm_connector *connector; 231 232 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 233 if (connector->encoder == encoder) { 234 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 235 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 236 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 237 radeon_encoder->active_device, radeon_encoder->devices, 238 radeon_connector->devices, encoder->encoder_type); 239 } 240 } 241} 242 243struct drm_connector * 244radeon_get_connector_for_encoder(struct drm_encoder *encoder) 245{ 246 struct drm_device *dev = encoder->dev; 247 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 248 struct drm_connector *connector; 249 struct radeon_connector *radeon_connector; 250 251 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 252 radeon_connector = to_radeon_connector(connector); 253 if (radeon_encoder->is_mst_encoder) { 254 struct radeon_encoder_mst *mst_enc; 255 256 if (!radeon_connector->is_mst_connector) 257 continue; 258 259 mst_enc = radeon_encoder->enc_priv; 260 if (mst_enc->connector == radeon_connector->mst_port) 261 return connector; 262 } else if (radeon_encoder->active_device & radeon_connector->devices) 263 return connector; 264 } 265 return NULL; 266} 267 268struct drm_connector * 269radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 270{ 271 struct drm_device *dev = encoder->dev; 272 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 273 struct drm_connector *connector; 274 struct radeon_connector *radeon_connector; 275 276 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 277 radeon_connector = to_radeon_connector(connector); 278 if (radeon_encoder->devices & radeon_connector->devices) 279 return connector; 280 } 281 return NULL; 282} 283 284struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 285{ 286 struct drm_device *dev = encoder->dev; 287 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 288 struct drm_encoder *other_encoder; 289 struct radeon_encoder *other_radeon_encoder; 290 291 if (radeon_encoder->is_ext_encoder) 292 return NULL; 293 294 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 295 if (other_encoder == encoder) 296 continue; 297 other_radeon_encoder = to_radeon_encoder(other_encoder); 298 if (other_radeon_encoder->is_ext_encoder && 299 (radeon_encoder->devices & other_radeon_encoder->devices)) 300 return other_encoder; 301 } 302 return NULL; 303} 304 305u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 306{ 307 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 308 309 if (other_encoder) { 310 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 311 312 switch (radeon_encoder->encoder_id) { 313 case ENCODER_OBJECT_ID_TRAVIS: 314 case ENCODER_OBJECT_ID_NUTMEG: 315 return radeon_encoder->encoder_id; 316 default: 317 return ENCODER_OBJECT_ID_NONE; 318 } 319 } 320 return ENCODER_OBJECT_ID_NONE; 321} 322 323void radeon_panel_mode_fixup(struct drm_encoder *encoder, 324 struct drm_display_mode *adjusted_mode) 325{ 326 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 327 struct drm_device *dev = encoder->dev; 328 struct radeon_device *rdev = dev->dev_private; 329 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 330 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 331 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 332 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 333 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 334 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 335 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 336 337 adjusted_mode->clock = native_mode->clock; 338 adjusted_mode->flags = native_mode->flags; 339 340 if (ASIC_IS_AVIVO(rdev)) { 341 adjusted_mode->hdisplay = native_mode->hdisplay; 342 adjusted_mode->vdisplay = native_mode->vdisplay; 343 } 344 345 adjusted_mode->htotal = native_mode->hdisplay + hblank; 346 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 347 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 348 349 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 350 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 351 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 352 353 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 354 355 if (ASIC_IS_AVIVO(rdev)) { 356 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 357 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 358 } 359 360 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 361 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 362 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 363 364 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 365 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 366 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 367 368} 369 370bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 371 u32 pixel_clock) 372{ 373 struct drm_device *dev = encoder->dev; 374 struct radeon_device *rdev = dev->dev_private; 375 struct drm_connector *connector; 376 struct radeon_connector *radeon_connector; 377 struct radeon_connector_atom_dig *dig_connector; 378 379 connector = radeon_get_connector_for_encoder(encoder); 380 /* if we don't have an active device yet, just use one of 381 * the connectors tied to the encoder. 382 */ 383 if (!connector) 384 connector = radeon_get_connector_for_encoder_init(encoder); 385 radeon_connector = to_radeon_connector(connector); 386 387 switch (connector->connector_type) { 388 case DRM_MODE_CONNECTOR_DVII: 389 case DRM_MODE_CONNECTOR_HDMIB: 390 if (radeon_connector->use_digital) { 391 /* HDMI 1.3 supports up to 340 Mhz over single link */ 392 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 393 if (pixel_clock > 340000) 394 return true; 395 else 396 return false; 397 } else { 398 if (pixel_clock > 165000) 399 return true; 400 else 401 return false; 402 } 403 } else 404 return false; 405 case DRM_MODE_CONNECTOR_DVID: 406 case DRM_MODE_CONNECTOR_HDMIA: 407 case DRM_MODE_CONNECTOR_DisplayPort: 408 if (radeon_connector->is_mst_connector) 409 return false; 410 411 dig_connector = radeon_connector->con_priv; 412 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 413 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 414 return false; 415 else { 416 /* HDMI 1.3 supports up to 340 Mhz over single link */ 417 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 418 if (pixel_clock > 340000) 419 return true; 420 else 421 return false; 422 } else { 423 if (pixel_clock > 165000) 424 return true; 425 else 426 return false; 427 } 428 } 429 default: 430 return false; 431 } 432} 433 434bool radeon_encoder_is_digital(struct drm_encoder *encoder) 435{ 436 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 437 switch (radeon_encoder->encoder_id) { 438 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 439 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 440 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 441 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 442 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 443 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 444 case ENCODER_OBJECT_ID_INTERNAL_DDI: 445 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 446 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 447 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 448 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 449 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 450 return true; 451 default: 452 return false; 453 } 454} 455