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 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <dev/drm2/drmP.h> 31#include <dev/drm2/drm_crtc_helper.h> 32#include <dev/drm2/radeon/radeon_drm.h> 33#include "radeon.h" 34#include "atom.h" 35 36 37static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) 38{ 39 struct drm_device *dev = encoder->dev; 40 struct radeon_device *rdev = dev->dev_private; 41 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 42 struct drm_encoder *clone_encoder; 43 uint32_t index_mask = 0; 44 int count; 45 46 /* DIG routing gets problematic */ 47 if (rdev->family >= CHIP_R600) 48 return index_mask; 49 /* LVDS/TV are too wacky */ 50 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 51 return index_mask; 52 /* DVO requires 2x ppll clocks depending on tmds chip */ 53 if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) 54 return index_mask; 55 56 count = -1; 57 list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) { 58 struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder); 59 count++; 60 61 if (clone_encoder == encoder) 62 continue; 63 if (radeon_clone->devices & (ATOM_DEVICE_LCD_SUPPORT)) 64 continue; 65 if (radeon_clone->devices & ATOM_DEVICE_DFP2_SUPPORT) 66 continue; 67 else 68 index_mask |= (1 << count); 69 } 70 return index_mask; 71} 72 73void radeon_setup_encoder_clones(struct drm_device *dev) 74{ 75 struct drm_encoder *encoder; 76 77 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 78 encoder->possible_clones = radeon_encoder_clones(encoder); 79 } 80} 81 82uint32_t 83radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device, uint8_t dac) 84{ 85 struct radeon_device *rdev = dev->dev_private; 86 uint32_t ret = 0; 87 88 switch (supported_device) { 89 case ATOM_DEVICE_CRT1_SUPPORT: 90 case ATOM_DEVICE_TV1_SUPPORT: 91 case ATOM_DEVICE_TV2_SUPPORT: 92 case ATOM_DEVICE_CRT2_SUPPORT: 93 case ATOM_DEVICE_CV_SUPPORT: 94 switch (dac) { 95 case 1: /* dac a */ 96 if ((rdev->family == CHIP_RS300) || 97 (rdev->family == CHIP_RS400) || 98 (rdev->family == CHIP_RS480)) 99 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 100 else if (ASIC_IS_AVIVO(rdev)) 101 ret = ENCODER_INTERNAL_KLDSCP_DAC1_ENUM_ID1; 102 else 103 ret = ENCODER_INTERNAL_DAC1_ENUM_ID1; 104 break; 105 case 2: /* dac b */ 106 if (ASIC_IS_AVIVO(rdev)) 107 ret = ENCODER_INTERNAL_KLDSCP_DAC2_ENUM_ID1; 108 else { 109 /*if (rdev->family == CHIP_R200) 110 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 111 else*/ 112 ret = ENCODER_INTERNAL_DAC2_ENUM_ID1; 113 } 114 break; 115 case 3: /* external dac */ 116 if (ASIC_IS_AVIVO(rdev)) 117 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 118 else 119 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 120 break; 121 } 122 break; 123 case ATOM_DEVICE_LCD1_SUPPORT: 124 if (ASIC_IS_AVIVO(rdev)) 125 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 126 else 127 ret = ENCODER_INTERNAL_LVDS_ENUM_ID1; 128 break; 129 case ATOM_DEVICE_DFP1_SUPPORT: 130 if ((rdev->family == CHIP_RS300) || 131 (rdev->family == CHIP_RS400) || 132 (rdev->family == CHIP_RS480)) 133 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 134 else if (ASIC_IS_AVIVO(rdev)) 135 ret = ENCODER_INTERNAL_KLDSCP_TMDS1_ENUM_ID1; 136 else 137 ret = ENCODER_INTERNAL_TMDS1_ENUM_ID1; 138 break; 139 case ATOM_DEVICE_LCD2_SUPPORT: 140 case ATOM_DEVICE_DFP2_SUPPORT: 141 if ((rdev->family == CHIP_RS600) || 142 (rdev->family == CHIP_RS690) || 143 (rdev->family == CHIP_RS740)) 144 ret = ENCODER_INTERNAL_DDI_ENUM_ID1; 145 else if (ASIC_IS_AVIVO(rdev)) 146 ret = ENCODER_INTERNAL_KLDSCP_DVO1_ENUM_ID1; 147 else 148 ret = ENCODER_INTERNAL_DVO1_ENUM_ID1; 149 break; 150 case ATOM_DEVICE_DFP3_SUPPORT: 151 ret = ENCODER_INTERNAL_LVTM1_ENUM_ID1; 152 break; 153 } 154 155 return ret; 156} 157 158void 159radeon_link_encoder_connector(struct drm_device *dev) 160{ 161 struct radeon_device *rdev = dev->dev_private; 162 struct drm_connector *connector; 163 struct radeon_connector *radeon_connector; 164 struct drm_encoder *encoder; 165 struct radeon_encoder *radeon_encoder; 166 167 /* walk the list and link encoders to connectors */ 168 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 169 radeon_connector = to_radeon_connector(connector); 170 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 171 radeon_encoder = to_radeon_encoder(encoder); 172 if (radeon_encoder->devices & radeon_connector->devices) { 173 drm_mode_connector_attach_encoder(connector, encoder); 174 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 175 if (rdev->is_atom_bios) 176 radeon_atom_backlight_init(radeon_encoder, connector); 177 else 178 radeon_legacy_backlight_init(radeon_encoder, connector); 179 rdev->mode_info.bl_encoder = radeon_encoder; 180 } 181 } 182 } 183 } 184} 185 186void radeon_encoder_set_active_device(struct drm_encoder *encoder) 187{ 188 struct drm_device *dev = encoder->dev; 189 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 190 struct drm_connector *connector; 191 192 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 193 if (connector->encoder == encoder) { 194 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 195 radeon_encoder->active_device = radeon_encoder->devices & radeon_connector->devices; 196 DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", 197 radeon_encoder->active_device, radeon_encoder->devices, 198 radeon_connector->devices, encoder->encoder_type); 199 } 200 } 201} 202 203struct drm_connector * 204radeon_get_connector_for_encoder(struct drm_encoder *encoder) 205{ 206 struct drm_device *dev = encoder->dev; 207 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 208 struct drm_connector *connector; 209 struct radeon_connector *radeon_connector; 210 211 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 212 radeon_connector = to_radeon_connector(connector); 213 if (radeon_encoder->active_device & radeon_connector->devices) 214 return connector; 215 } 216 return NULL; 217} 218 219struct drm_connector * 220radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) 221{ 222 struct drm_device *dev = encoder->dev; 223 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 224 struct drm_connector *connector; 225 struct radeon_connector *radeon_connector; 226 227 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 228 radeon_connector = to_radeon_connector(connector); 229 if (radeon_encoder->devices & radeon_connector->devices) 230 return connector; 231 } 232 return NULL; 233} 234 235struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) 236{ 237 struct drm_device *dev = encoder->dev; 238 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 239 struct drm_encoder *other_encoder; 240 struct radeon_encoder *other_radeon_encoder; 241 242 if (radeon_encoder->is_ext_encoder) 243 return NULL; 244 245 list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { 246 if (other_encoder == encoder) 247 continue; 248 other_radeon_encoder = to_radeon_encoder(other_encoder); 249 if (other_radeon_encoder->is_ext_encoder && 250 (radeon_encoder->devices & other_radeon_encoder->devices)) 251 return other_encoder; 252 } 253 return NULL; 254} 255 256u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder) 257{ 258 struct drm_encoder *other_encoder = radeon_get_external_encoder(encoder); 259 260 if (other_encoder) { 261 struct radeon_encoder *radeon_encoder = to_radeon_encoder(other_encoder); 262 263 switch (radeon_encoder->encoder_id) { 264 case ENCODER_OBJECT_ID_TRAVIS: 265 case ENCODER_OBJECT_ID_NUTMEG: 266 return radeon_encoder->encoder_id; 267 default: 268 return ENCODER_OBJECT_ID_NONE; 269 } 270 } 271 return ENCODER_OBJECT_ID_NONE; 272} 273 274void radeon_panel_mode_fixup(struct drm_encoder *encoder, 275 struct drm_display_mode *adjusted_mode) 276{ 277 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 278 struct drm_device *dev = encoder->dev; 279 struct radeon_device *rdev = dev->dev_private; 280 struct drm_display_mode *native_mode = &radeon_encoder->native_mode; 281 unsigned hblank = native_mode->htotal - native_mode->hdisplay; 282 unsigned vblank = native_mode->vtotal - native_mode->vdisplay; 283 unsigned hover = native_mode->hsync_start - native_mode->hdisplay; 284 unsigned vover = native_mode->vsync_start - native_mode->vdisplay; 285 unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start; 286 unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start; 287 288 adjusted_mode->clock = native_mode->clock; 289 adjusted_mode->flags = native_mode->flags; 290 291 if (ASIC_IS_AVIVO(rdev)) { 292 adjusted_mode->hdisplay = native_mode->hdisplay; 293 adjusted_mode->vdisplay = native_mode->vdisplay; 294 } 295 296 adjusted_mode->htotal = native_mode->hdisplay + hblank; 297 adjusted_mode->hsync_start = native_mode->hdisplay + hover; 298 adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width; 299 300 adjusted_mode->vtotal = native_mode->vdisplay + vblank; 301 adjusted_mode->vsync_start = native_mode->vdisplay + vover; 302 adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width; 303 304 drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); 305 306 if (ASIC_IS_AVIVO(rdev)) { 307 adjusted_mode->crtc_hdisplay = native_mode->hdisplay; 308 adjusted_mode->crtc_vdisplay = native_mode->vdisplay; 309 } 310 311 adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank; 312 adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover; 313 adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width; 314 315 adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank; 316 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover; 317 adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width; 318 319} 320 321bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, 322 u32 pixel_clock) 323{ 324 struct drm_device *dev = encoder->dev; 325 struct radeon_device *rdev = dev->dev_private; 326 struct drm_connector *connector; 327 struct radeon_connector *radeon_connector; 328 struct radeon_connector_atom_dig *dig_connector; 329 330 connector = radeon_get_connector_for_encoder(encoder); 331 /* if we don't have an active device yet, just use one of 332 * the connectors tied to the encoder. 333 */ 334 if (!connector) 335 connector = radeon_get_connector_for_encoder_init(encoder); 336 radeon_connector = to_radeon_connector(connector); 337 338 switch (connector->connector_type) { 339 case DRM_MODE_CONNECTOR_DVII: 340 case DRM_MODE_CONNECTOR_HDMIB: 341 if (radeon_connector->use_digital) { 342 /* HDMI 1.3 supports up to 340 Mhz over single link */ 343 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 344 if (pixel_clock > 340000) 345 return true; 346 else 347 return false; 348 } else { 349 if (pixel_clock > 165000) 350 return true; 351 else 352 return false; 353 } 354 } else 355 return false; 356 case DRM_MODE_CONNECTOR_DVID: 357 case DRM_MODE_CONNECTOR_HDMIA: 358 case DRM_MODE_CONNECTOR_DisplayPort: 359 dig_connector = radeon_connector->con_priv; 360 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || 361 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) 362 return false; 363 else { 364 /* HDMI 1.3 supports up to 340 Mhz over single link */ 365 if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { 366 if (pixel_clock > 340000) 367 return true; 368 else 369 return false; 370 } else { 371 if (pixel_clock > 165000) 372 return true; 373 else 374 return false; 375 } 376 } 377 default: 378 return false; 379 } 380} 381 382