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 void 155 radeon_link_encoder_connector(struct drm_device *dev) 156 { 157 struct radeon_device *rdev = dev->dev_private; 158 struct drm_connector *connector; 159 struct radeon_connector *radeon_connector; 160 struct drm_encoder *encoder; 161 struct radeon_encoder *radeon_encoder; 162 163 /* walk the list and link encoders to connectors */ 164 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 165 radeon_connector = to_radeon_connector(connector); 166 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 167 radeon_encoder = to_radeon_encoder(encoder); 168 if (radeon_encoder->devices & radeon_connector->devices) { 169 drm_mode_connector_attach_encoder(connector, encoder); 170 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 171 if (rdev->is_atom_bios) 172 radeon_atom_backlight_init(radeon_encoder, connector); 173 else 174 radeon_legacy_backlight_init(radeon_encoder, connector); 175 rdev->mode_info.bl_encoder = radeon_encoder; 176 } 177 } 178 } 179 } 180 } 181 182 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 183 { 184 struct drm_device *dev = encoder->dev; 185 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 186 struct drm_connector *connector; 187 188 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 189 if (connector->encoder == encoder) { 190 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 191 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 192 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 193 radeon_encoder->active_device, radeon_encoder->devices, 194 radeon_connector->devices, encoder->encoder_type); 195 } 196 } 197 } 198 199 struct drm_connector * 200 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 201 { 202 struct drm_device *dev = encoder->dev; 203 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 204 struct drm_connector *connector; 205 struct radeon_connector *radeon_connector; 206 207 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 208 radeon_connector = to_radeon_connector(connector); 209 if (radeon_encoder->active_device & radeon_connector->devices) 210 return connector; 211 } 212 return NULL; 213 } 214 215 struct drm_connector * 216 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 217 { 218 struct drm_device *dev = encoder->dev; 219 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 220 struct drm_connector *connector; 221 struct radeon_connector *radeon_connector; 222 223 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 224 radeon_connector = to_radeon_connector(connector); 225 if (radeon_encoder->devices & radeon_connector->devices) 226 return connector; 227 } 228 return NULL; 229 } 230 231 struct drm_encoder *radeon_get_external_encoder(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_encoder *other_encoder; 236 struct radeon_encoder *other_radeon_encoder; 237 238 if (radeon_encoder->is_ext_encoder) 239 return NULL; 240 241 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 242 if (other_encoder == encoder) 243 continue; 244 other_radeon_encoder = to_radeon_encoder(other_encoder); 245 if (other_radeon_encoder->is_ext_encoder && 246 (radeon_encoder->devices & other_radeon_encoder->devices)) 247 return other_encoder; 248 } 249 return NULL; 250 } 251 252 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 253 { 254 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 255 256 if (other_encoder) { 257 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 258 259 switch (radeon_encoder->encoder_id) { 260 case ENCODER_OBJECT_ID_TRAVIS: 261 case ENCODER_OBJECT_ID_NUTMEG: 262 return radeon_encoder->encoder_id; 263 default: 264 return ENCODER_OBJECT_ID_NONE; 265 } 266 } 267 return ENCODER_OBJECT_ID_NONE; 268 } 269 270 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 271 struct drm_display_mode *adjusted_mode) 272 { 273 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 274 struct drm_device *dev = encoder->dev; 275 struct radeon_device *rdev = dev->dev_private; 276 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 277 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 278 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 279 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 280 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 281 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 282 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 283 284 adjusted_mode->clock = native_mode->clock; 285 adjusted_mode->flags = native_mode->flags; 286 287 if (ASIC_IS_AVIVO(rdev)) { 288 adjusted_mode->hdisplay = native_mode->hdisplay; 289 adjusted_mode->vdisplay = native_mode->vdisplay; 290 } 291 292 adjusted_mode->htotal = native_mode->hdisplay + hblank; 293 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 294 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 295 296 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 297 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 298 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 299 300 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 301 302 if (ASIC_IS_AVIVO(rdev)) { 303 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 304 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 305 } 306 307 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 308 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 309 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 310 311 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 312 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 313 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 314 315 } 316 317 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 318 u32 pixel_clock) 319 { 320 struct drm_device *dev = encoder->dev; 321 struct radeon_device *rdev = dev->dev_private; 322 struct drm_connector *connector; 323 struct radeon_connector *radeon_connector; 324 struct radeon_connector_atom_dig *dig_connector; 325 326 connector = radeon_get_connector_for_encoder(encoder); 327 /* if we don't have an active device yet, just use one of 328 * the connectors tied to the encoder. 329 */ 330 if (!connector) 331 connector = radeon_get_connector_for_encoder_init(encoder); 332 radeon_connector = to_radeon_connector(connector); 333 334 switch (connector->connector_type) { 335 case DRM_MODE_CONNECTOR_DVII: 336 case DRM_MODE_CONNECTOR_HDMIB: 337 if (radeon_connector->use_digital) { 338 /* HDMI 1.3 supports up to 340 Mhz over single link */ 339 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 340 if (pixel_clock > 340000) 341 return true; 342 else 343 return false; 344 } else { 345 if (pixel_clock > 165000) 346 return true; 347 else 348 return false; 349 } 350 } else 351 return false; 352 case DRM_MODE_CONNECTOR_DVID: 353 case DRM_MODE_CONNECTOR_HDMIA: 354 case DRM_MODE_CONNECTOR_DisplayPort: 355 dig_connector = radeon_connector->con_priv; 356 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 357 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 358 return false; 359 else { 360 /* HDMI 1.3 supports up to 340 Mhz over single link */ 361 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 362 if (pixel_clock > 340000) 363 return true; 364 else 365 return false; 366 } else { 367 if (pixel_clock > 165000) 368 return true; 369 else 370 return false; 371 } 372 } 373 default: 374 return false; 375 } 376 } 377 378