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 32 extern void 33 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 34 struct drm_connector *drm_connector); 35 extern void 36 radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, 37 struct drm_connector *drm_connector); 38 39 40 static 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 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 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 } 160 161 static 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 rdev->mode_info.bl_encoder = radeon_encoder; 198 } 199 } 200 201 void 202 radeon_link_encoder_connector(struct drm_device *dev) 203 { 204 struct drm_connector *connector; 205 struct radeon_connector *radeon_connector; 206 struct drm_encoder *encoder; 207 struct radeon_encoder *radeon_encoder; 208 209 /* walk the list and link encoders to connectors */ 210 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 211 radeon_connector = to_radeon_connector(connector); 212 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 213 radeon_encoder = to_radeon_encoder(encoder); 214 if (radeon_encoder->devices & radeon_connector->devices) { 215 drm_mode_connector_attach_encoder(connector, encoder); 216 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 217 radeon_encoder_add_backlight(radeon_encoder, connector); 218 } 219 } 220 } 221 } 222 223 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 224 { 225 struct drm_device *dev = encoder->dev; 226 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 227 struct drm_connector *connector; 228 229 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 230 if (connector->encoder == encoder) { 231 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 232 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 233 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 234 radeon_encoder->active_device, radeon_encoder->devices, 235 radeon_connector->devices, encoder->encoder_type); 236 } 237 } 238 } 239 240 struct drm_connector * 241 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 242 { 243 struct drm_device *dev = encoder->dev; 244 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 245 struct drm_connector *connector; 246 struct radeon_connector *radeon_connector; 247 248 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 249 radeon_connector = to_radeon_connector(connector); 250 if (radeon_encoder->active_device & radeon_connector->devices) 251 return connector; 252 } 253 return NULL; 254 } 255 256 struct drm_connector * 257 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 258 { 259 struct drm_device *dev = encoder->dev; 260 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 261 struct drm_connector *connector; 262 struct radeon_connector *radeon_connector; 263 264 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 265 radeon_connector = to_radeon_connector(connector); 266 if (radeon_encoder->devices & radeon_connector->devices) 267 return connector; 268 } 269 return NULL; 270 } 271 272 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 273 { 274 struct drm_device *dev = encoder->dev; 275 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 276 struct drm_encoder *other_encoder; 277 struct radeon_encoder *other_radeon_encoder; 278 279 if (radeon_encoder->is_ext_encoder) 280 return NULL; 281 282 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 283 if (other_encoder == encoder) 284 continue; 285 other_radeon_encoder = to_radeon_encoder(other_encoder); 286 if (other_radeon_encoder->is_ext_encoder && 287 (radeon_encoder->devices & other_radeon_encoder->devices)) 288 return other_encoder; 289 } 290 return NULL; 291 } 292 293 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 294 { 295 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 296 297 if (other_encoder) { 298 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 299 300 switch (radeon_encoder->encoder_id) { 301 case ENCODER_OBJECT_ID_TRAVIS: 302 case ENCODER_OBJECT_ID_NUTMEG: 303 return radeon_encoder->encoder_id; 304 default: 305 return ENCODER_OBJECT_ID_NONE; 306 } 307 } 308 return ENCODER_OBJECT_ID_NONE; 309 } 310 311 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 312 struct drm_display_mode *adjusted_mode) 313 { 314 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 315 struct drm_device *dev = encoder->dev; 316 struct radeon_device *rdev = dev->dev_private; 317 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 318 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 319 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 320 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 321 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 322 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 323 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 324 325 adjusted_mode->clock = native_mode->clock; 326 adjusted_mode->flags = native_mode->flags; 327 328 if (ASIC_IS_AVIVO(rdev)) { 329 adjusted_mode->hdisplay = native_mode->hdisplay; 330 adjusted_mode->vdisplay = native_mode->vdisplay; 331 } 332 333 adjusted_mode->htotal = native_mode->hdisplay + hblank; 334 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 335 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 336 337 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 338 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 339 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 340 341 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 342 343 if (ASIC_IS_AVIVO(rdev)) { 344 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 345 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 346 } 347 348 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 349 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 350 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 351 352 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 353 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 354 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 355 356 } 357 358 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 359 u32 pixel_clock) 360 { 361 struct drm_device *dev = encoder->dev; 362 struct radeon_device *rdev = dev->dev_private; 363 struct drm_connector *connector; 364 struct radeon_connector *radeon_connector; 365 struct radeon_connector_atom_dig *dig_connector; 366 367 connector = radeon_get_connector_for_encoder(encoder); 368 /* if we don't have an active device yet, just use one of 369 * the connectors tied to the encoder. 370 */ 371 if (!connector) 372 connector = radeon_get_connector_for_encoder_init(encoder); 373 radeon_connector = to_radeon_connector(connector); 374 375 switch (connector->connector_type) { 376 case DRM_MODE_CONNECTOR_DVII: 377 case DRM_MODE_CONNECTOR_HDMIB: 378 if (radeon_connector->use_digital) { 379 /* HDMI 1.3 supports up to 340 Mhz over single link */ 380 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 381 if (pixel_clock > 340000) 382 return true; 383 else 384 return false; 385 } else { 386 if (pixel_clock > 165000) 387 return true; 388 else 389 return false; 390 } 391 } else 392 return false; 393 case DRM_MODE_CONNECTOR_DVID: 394 case DRM_MODE_CONNECTOR_HDMIA: 395 case DRM_MODE_CONNECTOR_DisplayPort: 396 dig_connector = radeon_connector->con_priv; 397 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 398 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 399 return false; 400 else { 401 /* HDMI 1.3 supports up to 340 Mhz over single link */ 402 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 403 if (pixel_clock > 340000) 404 return true; 405 else 406 return false; 407 } else { 408 if (pixel_clock > 165000) 409 return true; 410 else 411 return false; 412 } 413 } 414 default: 415 return false; 416 } 417 } 418 419 bool radeon_encoder_is_digital(struct drm_encoder *encoder) 420 { 421 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 422 switch (radeon_encoder->encoder_id) { 423 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 424 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 425 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 426 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 427 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 428 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 429 case ENCODER_OBJECT_ID_INTERNAL_DDI: 430 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: 431 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: 432 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: 433 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: 434 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3: 435 return true; 436 default: 437 return false; 438 } 439 } 440