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 <uapi_drm/radeon_drm.h> 29 #include "radeon.h" 30 #include "atom.h" 31 32 33 static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 34 { 35 struct drm_device *dev = encoder->dev; 36 struct radeon_device *rdev = dev->dev_private; 37 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 38 struct drm_encoder *clone_encoder; 39 uint32_t index_mask = 0; 40 int count; 41 42 /* DIG routing gets problematic */ 43 if (rdev->family >= CHIP_R600) 44 return index_mask; 45 /* LVDS/TV are too wacky */ 46 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 47 return index_mask; 48 /* DVO requires 2x ppll clocks depending on tmds chip */ 49 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 50 return index_mask; 51 52 count = -1; 53 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 54 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 55 count++; 56 57 if (clone_encoder == encoder) 58 continue; 59 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 60 continue; 61 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 62 continue; 63 else 64 index_mask |= (1 << count); 65 } 66 return index_mask; 67 } 68 69 void radeon_setup_encoder_clones(struct drm_device *dev) 70 { 71 struct drm_encoder *encoder; 72 73 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 74 encoder->possible_clones = radeon_encoder_clones(encoder); 75 } 76 } 77 78 uint32_t 79 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 80 { 81 struct radeon_device *rdev = dev->dev_private; 82 uint32_t ret = 0; 83 84 switch (supported_device) { 85 case ATOM_DEVICE_CRT1_SUPPORT: 86 case ATOM_DEVICE_TV1_SUPPORT: 87 case ATOM_DEVICE_TV2_SUPPORT: 88 case ATOM_DEVICE_CRT2_SUPPORT: 89 case ATOM_DEVICE_CV_SUPPORT: 90 switch (dac) { 91 case 1: /* dac a */ 92 if ((rdev->family == CHIP_RS300) || 93 (rdev->family == CHIP_RS400) || 94 (rdev->family == CHIP_RS480)) 95 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 96 else if (ASIC_IS_AVIVO(rdev)) 97 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 98 else 99 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 100 break; 101 case 2: /* dac b */ 102 if (ASIC_IS_AVIVO(rdev)) 103 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 104 else { 105 /*if (rdev->family == CHIP_R200) 106 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 107 else*/ 108 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 109 } 110 break; 111 case 3: /* external dac */ 112 if (ASIC_IS_AVIVO(rdev)) 113 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 114 else 115 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 116 break; 117 } 118 break; 119 case ATOM_DEVICE_LCD1_SUPPORT: 120 if (ASIC_IS_AVIVO(rdev)) 121 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 122 else 123 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 124 break; 125 case ATOM_DEVICE_DFP1_SUPPORT: 126 if ((rdev->family == CHIP_RS300) || 127 (rdev->family == CHIP_RS400) || 128 (rdev->family == CHIP_RS480)) 129 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 130 else if (ASIC_IS_AVIVO(rdev)) 131 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 132 else 133 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 134 break; 135 case ATOM_DEVICE_LCD2_SUPPORT: 136 case ATOM_DEVICE_DFP2_SUPPORT: 137 if ((rdev->family == CHIP_RS600) || 138 (rdev->family == CHIP_RS690) || 139 (rdev->family == CHIP_RS740)) 140 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 141 else if (ASIC_IS_AVIVO(rdev)) 142 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 143 else 144 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 145 break; 146 case ATOM_DEVICE_DFP3_SUPPORT: 147 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 148 break; 149 } 150 151 return ret; 152 } 153 154 static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder, 155 struct drm_connector *connector) 156 { 157 struct drm_device *dev = radeon_encoder->base.dev; 158 struct radeon_device *rdev = dev->dev_private; 159 bool use_bl = false; 160 161 if (!(radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))) 162 return; 163 164 if (radeon_backlight == 0) { 165 return; 166 } else if (radeon_backlight == 1) { 167 use_bl = true; 168 } else if (radeon_backlight == -1) { 169 /* Quirks */ 170 /* Amilo Xi 2550 only works with acpi bl */ 171 if ((rdev->pdev->device == 0x9583) && 172 (rdev->pdev->subsystem_vendor == 0x1734) && 173 (rdev->pdev->subsystem_device == 0x1107)) 174 use_bl = false; 175 else 176 use_bl = true; 177 } 178 179 if (use_bl) { 180 if (rdev->is_atom_bios) 181 radeon_atom_backlight_init(radeon_encoder, connector); 182 else 183 radeon_legacy_backlight_init(radeon_encoder, connector); 184 rdev->mode_info.bl_encoder = radeon_encoder; 185 } 186 } 187 188 void 189 radeon_link_encoder_connector(struct drm_device *dev) 190 { 191 struct drm_connector *connector; 192 struct radeon_connector *radeon_connector; 193 struct drm_encoder *encoder; 194 struct radeon_encoder *radeon_encoder; 195 196 /* walk the list and link encoders to connectors */ 197 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 198 radeon_connector = to_radeon_connector(connector); 199 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 200 radeon_encoder = to_radeon_encoder(encoder); 201 if (radeon_encoder->devices & radeon_connector->devices) { 202 drm_mode_connector_attach_encoder(connector, encoder); 203 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 204 radeon_encoder_add_backlight(radeon_encoder, connector); 205 } 206 } 207 } 208 } 209 210 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 211 { 212 struct drm_device *dev = encoder->dev; 213 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 214 struct drm_connector *connector; 215 216 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 217 if (connector->encoder == encoder) { 218 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 219 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 220 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 221 radeon_encoder->active_device, radeon_encoder->devices, 222 radeon_connector->devices, encoder->encoder_type); 223 } 224 } 225 } 226 227 struct drm_connector * 228 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 229 { 230 struct drm_device *dev = encoder->dev; 231 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 232 struct drm_connector *connector; 233 struct radeon_connector *radeon_connector; 234 235 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 236 radeon_connector = to_radeon_connector(connector); 237 if (radeon_encoder->active_device & radeon_connector->devices) 238 return connector; 239 } 240 return NULL; 241 } 242 243 struct drm_connector * 244 radeon_get_connector_for_encoder_init(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->devices & radeon_connector->devices) 254 return connector; 255 } 256 return NULL; 257 } 258 259 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 260 { 261 struct drm_device *dev = encoder->dev; 262 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 263 struct drm_encoder *other_encoder; 264 struct radeon_encoder *other_radeon_encoder; 265 266 if (radeon_encoder->is_ext_encoder) 267 return NULL; 268 269 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 270 if (other_encoder == encoder) 271 continue; 272 other_radeon_encoder = to_radeon_encoder(other_encoder); 273 if (other_radeon_encoder->is_ext_encoder && 274 (radeon_encoder->devices & other_radeon_encoder->devices)) 275 return other_encoder; 276 } 277 return NULL; 278 } 279 280 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 281 { 282 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 283 284 if (other_encoder) { 285 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 286 287 switch (radeon_encoder->encoder_id) { 288 case ENCODER_OBJECT_ID_TRAVIS: 289 case ENCODER_OBJECT_ID_NUTMEG: 290 return radeon_encoder->encoder_id; 291 default: 292 return ENCODER_OBJECT_ID_NONE; 293 } 294 } 295 return ENCODER_OBJECT_ID_NONE; 296 } 297 298 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 299 struct drm_display_mode *adjusted_mode) 300 { 301 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 302 struct drm_device *dev = encoder->dev; 303 struct radeon_device *rdev = dev->dev_private; 304 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 305 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 306 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 307 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 308 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 309 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 310 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 311 312 adjusted_mode->clock = native_mode->clock; 313 adjusted_mode->flags = native_mode->flags; 314 315 if (ASIC_IS_AVIVO(rdev)) { 316 adjusted_mode->hdisplay = native_mode->hdisplay; 317 adjusted_mode->vdisplay = native_mode->vdisplay; 318 } 319 320 adjusted_mode->htotal = native_mode->hdisplay + hblank; 321 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 322 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 323 324 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 325 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 326 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 327 328 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 329 330 if (ASIC_IS_AVIVO(rdev)) { 331 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 332 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 333 } 334 335 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 336 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 337 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 338 339 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 340 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 341 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 342 343 } 344 345 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 346 u32 pixel_clock) 347 { 348 struct drm_device *dev = encoder->dev; 349 struct radeon_device *rdev = dev->dev_private; 350 struct drm_connector *connector; 351 struct radeon_connector *radeon_connector; 352 struct radeon_connector_atom_dig *dig_connector; 353 354 connector = radeon_get_connector_for_encoder(encoder); 355 /* if we don't have an active device yet, just use one of 356 * the connectors tied to the encoder. 357 */ 358 if (!connector) 359 connector = radeon_get_connector_for_encoder_init(encoder); 360 radeon_connector = to_radeon_connector(connector); 361 362 switch (connector->connector_type) { 363 case DRM_MODE_CONNECTOR_DVII: 364 case DRM_MODE_CONNECTOR_HDMIB: 365 if (radeon_connector->use_digital) { 366 /* HDMI 1.3 supports up to 340 Mhz over single link */ 367 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector_edid(connector))) { 368 if (pixel_clock > 340000) 369 return true; 370 else 371 return false; 372 } else { 373 if (pixel_clock > 165000) 374 return true; 375 else 376 return false; 377 } 378 } else 379 return false; 380 case DRM_MODE_CONNECTOR_DVID: 381 case DRM_MODE_CONNECTOR_HDMIA: 382 case DRM_MODE_CONNECTOR_DisplayPort: 383 dig_connector = radeon_connector->con_priv; 384 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 385 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 386 return false; 387 else { 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 } 401 default: 402 return false; 403 } 404 } 405 406