sys/dev/drm2/radeon/radeon_encoders.c

   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
  37 static 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
  73 void 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
  82 uint32_t
  83 radeon_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
 158 void
 159 radeon_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
 186 void 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
 203 struct drm_connector *
 204 radeon_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
 219 struct drm_connector *
 220 radeon_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
 235 struct 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
 256 u16 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
 274 void 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
 321 bool 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