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_edid.h> 30#include <drm/drm_device.h> 31#include <drm/radeon_drm.h> 32 33#include <acpi/video.h> 34 35#include "radeon.h" 36#include "radeon_atombios.h" 37#include "radeon_legacy_encoders.h" 38#include "atom.h" 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 63 count++; 64 65 if (clone_encoder == encoder) 66 continue; 67 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 68 continue; 69 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 70 continue; 71 else 72 index_mask |= (1 << count); 73 } 74 return index_mask; 75} 76 77void radeon_setup_encoder_clones(struct drm_device *dev) 78{ 79 struct drm_encoder *encoder; 80 81 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 82 encoder->possible_clones = radeon_encoder_clones(encoder); 83 } 84} 85 86uint32_t 87radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 88{ 89 struct radeon_device *rdev = dev->dev_private; 90 uint32_t ret = 0; 91 92 switch (supported_device) { 93 case ATOM_DEVICE_CRT1_SUPPORT: 94 case ATOM_DEVICE_TV1_SUPPORT: 95 case ATOM_DEVICE_TV2_SUPPORT: 96 case ATOM_DEVICE_CRT2_SUPPORT: 97 case ATOM_DEVICE_CV_SUPPORT: 98 switch (dac) { 99 case 1: /* dac a */ 100 if ((rdev->family == CHIP_RS300) || 101 (rdev->family == CHIP_RS400) || 102 (rdev->family == CHIP_RS480)) 103 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 104 else if (ASIC_IS_AVIVO(rdev)) 105 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 106 else 107 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 108 break; 109 case 2: /* dac b */ 110 if (ASIC_IS_AVIVO(rdev)) 111 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 112 else { 113 /* if (rdev->family == CHIP_R200) 114 * ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 115 * else 116 */ 117 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 118 } 119 break; 120 case 3: /* external dac */ 121 if (ASIC_IS_AVIVO(rdev)) 122 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 123 else 124 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 125 break; 126 } 127 break; 128 case ATOM_DEVICE_LCD1_SUPPORT: 129 if (ASIC_IS_AVIVO(rdev)) 130 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 131 else 132 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 133 break; 134 case ATOM_DEVICE_DFP1_SUPPORT: 135 if ((rdev->family == CHIP_RS300) || 136 (rdev->family == CHIP_RS400) || 137 (rdev->family == CHIP_RS480)) 138 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 139 else if (ASIC_IS_AVIVO(rdev)) 140 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 141 else 142 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 143 break; 144 case ATOM_DEVICE_LCD2_SUPPORT: 145 case ATOM_DEVICE_DFP2_SUPPORT: 146 if ((rdev->family == CHIP_RS600) || 147 (rdev->family == CHIP_RS690) || 148 (rdev->family == CHIP_RS740)) 149 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 150 else if (ASIC_IS_AVIVO(rdev)) 151 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 152 else 153 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 154 break; 155 case ATOM_DEVICE_DFP3_SUPPORT: 156 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 157 break; 158 } 159 160 return ret; 161} 162 163static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 164 struct drm_connector *connector) 165{ 166 struct drm_device *dev = radeon_encoder->base.dev; 167 struct radeon_device *rdev = dev->dev_private; 168 bool use_bl = false; 169 170 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 171 return; 172 173 if (radeon_backlight == 0) { 174 use_bl = false; 175 } else if (radeon_backlight == 1) { 176 use_bl = true; 177 } else if (radeon_backlight == -1) { 178 /* Quirks */ 179 /* Amilo Xi 2550 only works with acpi bl */ 180 if ((rdev->pdev->device == 0x9583) && 181 (rdev->pdev->subsystem_vendor == 0x1734) && 182 (rdev->pdev->subsystem_device == 0x1107)) 183 use_bl = false; 184/* Older PPC macs use on-GPU backlight controller */ 185#ifndef CONFIG_PPC_PMAC 186 /* disable native backlight control on older asics */ 187 else if (rdev->family < CHIP_R600) 188 use_bl = false; 189#endif 190 else 191 use_bl = true; 192 } 193 194 if (use_bl) { 195 if (rdev->is_atom_bios) 196 radeon_atom_backlight_init(radeon_encoder, connector); 197 else 198 radeon_legacy_backlight_init(radeon_encoder, connector); 199 } 200 201 /* 202 * If there is no native backlight device (which may happen even when 203 * use_bl==true) try registering an ACPI video backlight device instead. 204 */ 205 if (!rdev->mode_info.bl_encoder) 206 acpi_video_register_backlight(); 207} 208 209void 210radeon_link_encoder_connector(struct drm_device *dev) 211{ 212 struct drm_connector *connector; 213 struct radeon_connector *radeon_connector; 214 struct drm_encoder *encoder; 215 struct radeon_encoder *radeon_encoder; 216 217 /* walk the list and link encoders to connectors */ 218 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 219 radeon_connector = to_radeon_connector(connector); 220 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 221 radeon_encoder = to_radeon_encoder(encoder); 222 if (radeon_encoder->devices & radeon_connector->devices) { 223 drm_connector_attach_encoder(connector, encoder); 224 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 225 radeon_encoder_add_backlight(radeon_encoder, connector); 226 } 227 } 228 } 229} 230 231void radeon_encoder_set_active_device(struct drm_encoder *encoder) 232{ 233 struct drm_device *dev = encoder->dev; 234 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 235 struct drm_connector *connector; 236 237 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 238 if (connector->encoder == encoder) { 239 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 240 241 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 242 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 243 radeon_encoder->active_device, radeon_encoder->devices, 244 radeon_connector->devices, encoder->encoder_type); 245 } 246 } 247} 248 249struct drm_connector * 250radeon_get_connector_for_encoder(struct drm_encoder *encoder) 251{ 252 struct drm_device *dev = encoder->dev; 253 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 254 struct drm_connector *connector; 255 struct radeon_connector *radeon_connector; 256 257 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 258 radeon_connector = to_radeon_connector(connector); 259 if (radeon_encoder->active_device & radeon_connector->devices) 260 return connector; 261 } 262 return NULL; 263} 264 265struct drm_connector * 266radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 267{ 268 struct drm_device *dev = encoder->dev; 269 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 270 struct drm_connector *connector; 271 struct radeon_connector *radeon_connector; 272 273 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 274 radeon_connector = to_radeon_connector(connector); 275 if (radeon_encoder->devices & radeon_connector->devices) 276 return connector; 277 } 278 return NULL; 279} 280 281struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 282{ 283 struct drm_device *dev = encoder->dev; 284 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 285 struct drm_encoder *other_encoder; 286 struct radeon_encoder *other_radeon_encoder; 287 288 if (radeon_encoder->is_ext_encoder) 289 return NULL; 290 291 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 292 if (other_encoder == encoder) 293 continue; 294 other_radeon_encoder = to_radeon_encoder(other_encoder); 295 if (other_radeon_encoder->is_ext_encoder && 296 (radeon_encoder->devices & other_radeon_encoder->devices)) 297 return other_encoder; 298 } 299 return NULL; 300} 301 302u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 303{ 304 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 305 306 if (other_encoder) { 307 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 308 309 switch (radeon_encoder->encoder_id) { 310 case ENCODER_OBJECT_ID_TRAVIS: 311 case ENCODER_OBJECT_ID_NUTMEG: 312 return radeon_encoder->encoder_id; 313 default: 314 return ENCODER_OBJECT_ID_NONE; 315 } 316 } 317 return ENCODER_OBJECT_ID_NONE; 318} 319 320void radeon_panel_mode_fixup(struct drm_encoder *encoder, 321 struct drm_display_mode *adjusted_mode) 322{ 323 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 324 struct drm_device *dev = encoder->dev; 325 struct radeon_device *rdev = dev->dev_private; 326 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 327 unsigned int hblank = native_mode->htotal - native_mode->hdisplay; 328 unsigned int vblank = native_mode->vtotal - native_mode->vdisplay; 329 unsigned int hover = native_mode->hsync_start - native_mode->hdisplay; 330 unsigned int vover = native_mode->vsync_start - native_mode->vdisplay; 331 unsigned int hsync_width = native_mode->hsync_end - native_mode->hsync_start; 332 unsigned int vsync_width = native_mode->vsync_end - native_mode->vsync_start; 333 334 adjusted_mode->clock = native_mode->clock; 335 adjusted_mode->flags = native_mode->flags; 336 337 if (ASIC_IS_AVIVO(rdev)) { 338 adjusted_mode->hdisplay = native_mode->hdisplay; 339 adjusted_mode->vdisplay = native_mode->vdisplay; 340 } 341 342 adjusted_mode->htotal = native_mode->hdisplay + hblank; 343 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 344 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 345 346 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 347 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 348 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 349 350 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 351 352 if (ASIC_IS_AVIVO(rdev)) { 353 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 354 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 355 } 356 357 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 358 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 359 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 360 361 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 362 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 363 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 364 365} 366 367bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 368 u32 pixel_clock) 369{ 370 struct drm_device *dev = encoder->dev; 371 struct radeon_device *rdev = dev->dev_private; 372 struct drm_connector *connector; 373 struct radeon_connector *radeon_connector; 374 struct radeon_connector_atom_dig *dig_connector; 375 376 connector = radeon_get_connector_for_encoder(encoder); 377 /* if we don't have an active device yet, just use one of 378 * the connectors tied to the encoder. 379 */ 380 if (!connector) 381 connector = radeon_get_connector_for_encoder_init(encoder); 382 radeon_connector = to_radeon_connector(connector); 383 384 switch (connector->connector_type) { 385 case DRM_MODE_CONNECTOR_DVII: 386 case DRM_MODE_CONNECTOR_HDMIB: 387 if (radeon_connector->use_digital) { 388 /* HDMI 1.3 supports up to 340 Mhz over single link */ 389 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 390 if (pixel_clock > 340000) 391 return true; 392 else 393 return false; 394 } else { 395 if (pixel_clock > 165000) 396 return true; 397 else 398 return false; 399 } 400 } else 401 return false; 402 case DRM_MODE_CONNECTOR_DVID: 403 case DRM_MODE_CONNECTOR_HDMIA: 404 case DRM_MODE_CONNECTOR_DisplayPort: 405 dig_connector = radeon_connector->con_priv; 406 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 407 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 408 return false; 409 else { 410 /* HDMI 1.3 supports up to 340 Mhz over single link */ 411 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 412 if (pixel_clock > 340000) 413 return true; 414 else 415 return false; 416 } else { 417 if (pixel_clock > 165000) 418 return true; 419 else 420 return false; 421 } 422 } 423 default: 424 return false; 425 } 426} 427 428bool radeon_encoder_is_digital(struct drm_encoder *encoder) 429{ 430 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 431 432 switch (radeon_encoder->encoder_id) { 433 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 434 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 435 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 436 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 437 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 438 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 439 case ENCODER_OBJECT_ID_INTERNAL_DDI: 440 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 441 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 442 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 443 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 444 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 445 return true; 446 default: 447 return false; 448 } 449} 450