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 void 162 radeon_link_encoder_connector(struct drm_device *dev) 163 { 164 struct radeon_device *rdev = dev->dev_private; 165 struct drm_connector *connector; 166 struct radeon_connector *radeon_connector; 167 struct drm_encoder *encoder; 168 struct radeon_encoder *radeon_encoder; 169 170 /* walk the list and link encoders to connectors */ 171 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 172 radeon_connector = to_radeon_connector(connector); 173 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 174 radeon_encoder = to_radeon_encoder(encoder); 175 if (radeon_encoder->devices & radeon_connector->devices) { 176 drm_mode_connector_attach_encoder(connector, encoder); 177 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 178 if (rdev->is_atom_bios) 179 radeon_atom_backlight_init(radeon_encoder, connector); 180 else 181 radeon_legacy_backlight_init(radeon_encoder, connector); 182 rdev->mode_info.bl_encoder = radeon_encoder; 183 } 184 } 185 } 186 } 187 } 188 189 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 190 { 191 struct drm_device *dev = encoder->dev; 192 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 193 struct drm_connector *connector; 194 195 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 196 if (connector->encoder == encoder) { 197 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 198 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 199 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 200 radeon_encoder->active_device, radeon_encoder->devices, 201 radeon_connector->devices, encoder->encoder_type); 202 } 203 } 204 } 205 206 struct drm_connector * 207 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 208 { 209 struct drm_device *dev = encoder->dev; 210 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 211 struct drm_connector *connector; 212 struct radeon_connector *radeon_connector; 213 214 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 215 radeon_connector = to_radeon_connector(connector); 216 if (radeon_encoder->active_device & radeon_connector->devices) 217 return connector; 218 } 219 return NULL; 220 } 221 222 struct drm_connector * 223 radeon_get_connector_for_encoder_init(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 struct radeon_connector *radeon_connector; 229 230 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 231 radeon_connector = to_radeon_connector(connector); 232 if (radeon_encoder->devices & radeon_connector->devices) 233 return connector; 234 } 235 return NULL; 236 } 237 238 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 239 { 240 struct drm_device *dev = encoder->dev; 241 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 242 struct drm_encoder *other_encoder; 243 struct radeon_encoder *other_radeon_encoder; 244 245 if (radeon_encoder->is_ext_encoder) 246 return NULL; 247 248 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 249 if (other_encoder == encoder) 250 continue; 251 other_radeon_encoder = to_radeon_encoder(other_encoder); 252 if (other_radeon_encoder->is_ext_encoder && 253 (radeon_encoder->devices & other_radeon_encoder->devices)) 254 return other_encoder; 255 } 256 return NULL; 257 } 258 259 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 260 { 261 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 262 263 if (other_encoder) { 264 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 265 266 switch (radeon_encoder->encoder_id) { 267 case ENCODER_OBJECT_ID_TRAVIS: 268 case ENCODER_OBJECT_ID_NUTMEG: 269 return radeon_encoder->encoder_id; 270 default: 271 return ENCODER_OBJECT_ID_NONE; 272 } 273 } 274 return ENCODER_OBJECT_ID_NONE; 275 } 276 277 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 278 struct drm_display_mode *adjusted_mode) 279 { 280 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 281 struct drm_device *dev = encoder->dev; 282 struct radeon_device *rdev = dev->dev_private; 283 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 284 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 285 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 286 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 287 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 288 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 289 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 290 291 adjusted_mode->clock = native_mode->clock; 292 adjusted_mode->flags = native_mode->flags; 293 294 if (ASIC_IS_AVIVO(rdev)) { 295 adjusted_mode->hdisplay = native_mode->hdisplay; 296 adjusted_mode->vdisplay = native_mode->vdisplay; 297 } 298 299 adjusted_mode->htotal = native_mode->hdisplay + hblank; 300 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 301 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 302 303 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 304 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 305 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 306 307 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 308 309 if (ASIC_IS_AVIVO(rdev)) { 310 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 311 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 312 } 313 314 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 315 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 316 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 317 318 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 319 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 320 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 321 322 } 323 324 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 325 u32 pixel_clock) 326 { 327 struct drm_device *dev = encoder->dev; 328 struct radeon_device *rdev = dev->dev_private; 329 struct drm_connector *connector; 330 struct radeon_connector *radeon_connector; 331 struct radeon_connector_atom_dig *dig_connector; 332 333 connector = radeon_get_connector_for_encoder(encoder); 334 /* if we don't have an active device yet, just use one of 335 * the connectors tied to the encoder. 336 */ 337 if (!connector) 338 connector = radeon_get_connector_for_encoder_init(encoder); 339 radeon_connector = to_radeon_connector(connector); 340 341 switch (connector->connector_type) { 342 case DRM_MODE_CONNECTOR_DVII: 343 case DRM_MODE_CONNECTOR_HDMIB: 344 if (radeon_connector->use_digital) { 345 /* HDMI 1.3 supports up to 340 Mhz over single link */ 346 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 347 if (pixel_clock > 340000) 348 return true; 349 else 350 return false; 351 } else { 352 if (pixel_clock > 165000) 353 return true; 354 else 355 return false; 356 } 357 } else 358 return false; 359 case DRM_MODE_CONNECTOR_DVID: 360 case DRM_MODE_CONNECTOR_HDMIA: 361 case DRM_MODE_CONNECTOR_DisplayPort: 362 dig_connector = radeon_connector->con_priv; 363 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 364 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 365 return false; 366 else { 367 /* HDMI 1.3 supports up to 340 Mhz over single link */ 368 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 369 if (pixel_clock > 340000) 370 return true; 371 else 372 return false; 373 } else { 374 if (pixel_clock > 165000) 375 return true; 376 else 377 return false; 378 } 379 } 380 default: 381 return false; 382 } 383 } 384 385