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 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_encoders.c 254885 2013-08-25 19:37:15Z dumbbell $ 27 */ 28 29 #include <drm/drmP.h> 30 #include <drm/drm_crtc_helper.h> 31 #include <uapi_drm/radeon_drm.h> 32 #include "radeon.h" 33 #include "atom.h" 34 35 36 static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 37 { 38 struct drm_device *dev = encoder->dev; 39 struct radeon_device *rdev = dev->dev_private; 40 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 41 struct drm_encoder *clone_encoder; 42 uint32_t index_mask = 0; 43 int count; 44 45 /* DIG routing gets problematic */ 46 if (rdev->family >= CHIP_R600) 47 return index_mask; 48 /* LVDS/TV are too wacky */ 49 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 50 return index_mask; 51 /* DVO requires 2x ppll clocks depending on tmds chip */ 52 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 53 return index_mask; 54 55 count = -1; 56 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 57 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 58 count++; 59 60 if (clone_encoder == encoder) 61 continue; 62 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 63 continue; 64 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 65 continue; 66 else 67 index_mask |= (1 << count); 68 } 69 return index_mask; 70 } 71 72 void radeon_setup_encoder_clones(struct drm_device *dev) 73 { 74 struct drm_encoder *encoder; 75 76 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 77 encoder->possible_clones = radeon_encoder_clones(encoder); 78 } 79 } 80 81 uint32_t 82 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 83 { 84 struct radeon_device *rdev = dev->dev_private; 85 uint32_t ret = 0; 86 87 switch (supported_device) { 88 case ATOM_DEVICE_CRT1_SUPPORT: 89 case ATOM_DEVICE_TV1_SUPPORT: 90 case ATOM_DEVICE_TV2_SUPPORT: 91 case ATOM_DEVICE_CRT2_SUPPORT: 92 case ATOM_DEVICE_CV_SUPPORT: 93 switch (dac) { 94 case 1: /* dac a */ 95 if ((rdev->family == CHIP_RS300) || 96 (rdev->family == CHIP_RS400) || 97 (rdev->family == CHIP_RS480)) 98 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 99 else if (ASIC_IS_AVIVO(rdev)) 100 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 101 else 102 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 103 break; 104 case 2: /* dac b */ 105 if (ASIC_IS_AVIVO(rdev)) 106 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 107 else { 108 /*if (rdev->family == CHIP_R200) 109 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 110 else*/ 111 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 112 } 113 break; 114 case 3: /* external dac */ 115 if (ASIC_IS_AVIVO(rdev)) 116 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 117 else 118 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 119 break; 120 } 121 break; 122 case ATOM_DEVICE_LCD1_SUPPORT: 123 if (ASIC_IS_AVIVO(rdev)) 124 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 125 else 126 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 127 break; 128 case ATOM_DEVICE_DFP1_SUPPORT: 129 if ((rdev->family == CHIP_RS300) || 130 (rdev->family == CHIP_RS400) || 131 (rdev->family == CHIP_RS480)) 132 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 133 else if (ASIC_IS_AVIVO(rdev)) 134 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 135 else 136 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 137 break; 138 case ATOM_DEVICE_LCD2_SUPPORT: 139 case ATOM_DEVICE_DFP2_SUPPORT: 140 if ((rdev->family == CHIP_RS600) || 141 (rdev->family == CHIP_RS690) || 142 (rdev->family == CHIP_RS740)) 143 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 144 else if (ASIC_IS_AVIVO(rdev)) 145 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 146 else 147 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 148 break; 149 case ATOM_DEVICE_DFP3_SUPPORT: 150 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 151 break; 152 } 153 154 return ret; 155 } 156 157 void 158 radeon_link_encoder_connector(struct drm_device *dev) 159 { 160 struct radeon_device *rdev = dev->dev_private; 161 struct drm_connector *connector; 162 struct radeon_connector *radeon_connector; 163 struct drm_encoder *encoder; 164 struct radeon_encoder *radeon_encoder; 165 166 /* walk the list and link encoders to connectors */ 167 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 168 radeon_connector = to_radeon_connector(connector); 169 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 170 radeon_encoder = to_radeon_encoder(encoder); 171 if (radeon_encoder->devices & radeon_connector->devices) { 172 drm_mode_connector_attach_encoder(connector, encoder); 173 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 174 if (rdev->is_atom_bios) 175 radeon_atom_backlight_init(radeon_encoder, connector); 176 else 177 radeon_legacy_backlight_init(radeon_encoder, connector); 178 rdev->mode_info.bl_encoder = radeon_encoder; 179 } 180 } 181 } 182 } 183 } 184 185 void radeon_encoder_set_active_device(struct drm_encoder *encoder) 186 { 187 struct drm_device *dev = encoder->dev; 188 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 189 struct drm_connector *connector; 190 191 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 192 if (connector->encoder == encoder) { 193 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 194 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 195 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 196 radeon_encoder->active_device, radeon_encoder->devices, 197 radeon_connector->devices, encoder->encoder_type); 198 } 199 } 200 } 201 202 struct drm_connector * 203 radeon_get_connector_for_encoder(struct drm_encoder *encoder) 204 { 205 struct drm_device *dev = encoder->dev; 206 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 207 struct drm_connector *connector; 208 struct radeon_connector *radeon_connector; 209 210 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 211 radeon_connector = to_radeon_connector(connector); 212 if (radeon_encoder->active_device & radeon_connector->devices) 213 return connector; 214 } 215 return NULL; 216 } 217 218 struct drm_connector * 219 radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 220 { 221 struct drm_device *dev = encoder->dev; 222 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 223 struct drm_connector *connector; 224 struct radeon_connector *radeon_connector; 225 226 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 227 radeon_connector = to_radeon_connector(connector); 228 if (radeon_encoder->devices & radeon_connector->devices) 229 return connector; 230 } 231 return NULL; 232 } 233 234 struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 235 { 236 struct drm_device *dev = encoder->dev; 237 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 238 struct drm_encoder *other_encoder; 239 struct radeon_encoder *other_radeon_encoder; 240 241 if (radeon_encoder->is_ext_encoder) 242 return NULL; 243 244 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 245 if (other_encoder == encoder) 246 continue; 247 other_radeon_encoder = to_radeon_encoder(other_encoder); 248 if (other_radeon_encoder->is_ext_encoder && 249 (radeon_encoder->devices & other_radeon_encoder->devices)) 250 return other_encoder; 251 } 252 return NULL; 253 } 254 255 u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 256 { 257 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 258 259 if (other_encoder) { 260 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 261 262 switch (radeon_encoder->encoder_id) { 263 case ENCODER_OBJECT_ID_TRAVIS: 264 case ENCODER_OBJECT_ID_NUTMEG: 265 return radeon_encoder->encoder_id; 266 default: 267 return ENCODER_OBJECT_ID_NONE; 268 } 269 } 270 return ENCODER_OBJECT_ID_NONE; 271 } 272 273 void radeon_panel_mode_fixup(struct drm_encoder *encoder, 274 struct drm_display_mode *adjusted_mode) 275 { 276 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 277 struct drm_device *dev = encoder->dev; 278 struct radeon_device *rdev = dev->dev_private; 279 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 280 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 281 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 282 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 283 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 284 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 285 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 286 287 adjusted_mode->clock = native_mode->clock; 288 adjusted_mode->flags = native_mode->flags; 289 290 if (ASIC_IS_AVIVO(rdev)) { 291 adjusted_mode->hdisplay = native_mode->hdisplay; 292 adjusted_mode->vdisplay = native_mode->vdisplay; 293 } 294 295 adjusted_mode->htotal = native_mode->hdisplay + hblank; 296 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 297 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 298 299 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 300 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 301 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 302 303 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 304 305 if (ASIC_IS_AVIVO(rdev)) { 306 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 307 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 308 } 309 310 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 311 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 312 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 313 314 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 315 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 316 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 317 318 } 319 320 bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 321 u32 pixel_clock) 322 { 323 struct drm_device *dev = encoder->dev; 324 struct radeon_device *rdev = dev->dev_private; 325 struct drm_connector *connector; 326 struct radeon_connector *radeon_connector; 327 struct radeon_connector_atom_dig *dig_connector; 328 329 connector = radeon_get_connector_for_encoder(encoder); 330 /* if we don't have an active device yet, just use one of 331 * the connectors tied to the encoder. 332 */ 333 if (!connector) 334 connector = radeon_get_connector_for_encoder_init(encoder); 335 radeon_connector = to_radeon_connector(connector); 336 337 switch (connector->connector_type) { 338 case DRM_MODE_CONNECTOR_DVII: 339 case DRM_MODE_CONNECTOR_HDMIB: 340 if (radeon_connector->use_digital) { 341 /* HDMI 1.3 supports up to 340 Mhz over single link */ 342 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 343 if (pixel_clock > 340000) 344 return true; 345 else 346 return false; 347 } else { 348 if (pixel_clock > 165000) 349 return true; 350 else 351 return false; 352 } 353 } else 354 return false; 355 case DRM_MODE_CONNECTOR_DVID: 356 case DRM_MODE_CONNECTOR_HDMIA: 357 case DRM_MODE_CONNECTOR_DisplayPort: 358 dig_connector = radeon_connector->con_priv; 359 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 360 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 361 return false; 362 else { 363 /* HDMI 1.3 supports up to 340 Mhz over single link */ 364 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 365 if (pixel_clock > 340000) 366 return true; 367 else 368 return false; 369 } else { 370 if (pixel_clock > 165000) 371 return true; 372 else 373 return false; 374 } 375 } 376 default: 377 return false; 378 } 379 } 380 381