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