drivers/gpu/drm/radeon/radeon_legacy_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 #include <drm/drmP.h>
  27 #include <drm/drm_crtc_helper.h>
  28 #include <drm/radeon_drm.h>
  29 #include "radeon.h"
  30 #include "atom.h"
  31 #include <linux/backlight.h>
  32 #ifdef CONFIG_PMAC_BACKLIGHT
  33 #include <asm/backlight.h>
  34 #endif
  35
  36 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder)
  37 {
  38         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
  39         const struct drm_encoder_helper_funcs *encoder_funcs;
  40
  41         encoder_funcs = encoder->helper_private;
  42         encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
  43         radeon_encoder->active_device = 0;
  44 }
  45
  46 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
  47 {
  48         struct drm_device *dev = encoder->dev;
  49         struct radeon_device *rdev = dev->dev_private;
  50         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
  51         uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man;
  52         int panel_pwr_delay = 2000;
  53         bool is_mac = false;
  54         uint8_t backlight_level;
  55         DRM_DEBUG_KMS("\n");
  56
  57         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
  58         backlight_level = (lvds_gen_cntl >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
  59
  60         if (radeon_encoder->enc_priv) {
  61                 if (rdev->is_atom_bios) {
  62                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
  63                         panel_pwr_delay = lvds->panel_pwr_delay;
  64                         if (lvds->bl_dev)
  65                                 backlight_level = lvds->backlight_level;
  66                 } else {
  67                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
  68                         panel_pwr_delay = lvds->panel_pwr_delay;
  69                         if (lvds->bl_dev)
  70                                 backlight_level = lvds->backlight_level;
  71                 }
  72         }
  73
  74         /* macs (and possibly some x86 oem systems?) wire up LVDS strangely
  75          * Taken from radeonfb.
  76          */
  77         if ((rdev->mode_info.connector_table == CT_IBOOK) ||
  78             (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) ||
  79             (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) ||
  80             (rdev->mode_info.connector_table == CT_POWERBOOK_VGA))
  81                 is_mac = true;
  82
  83         switch (mode) {
  84         case DRM_MODE_DPMS_ON:
  85                 disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN);
  86                 disp_pwr_man |= RADEON_AUTO_PWRUP_EN;
  87                 WREG32(RADEON_DISP_PWR_MAN, disp_pwr_man);
  88                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
  89                 lvds_pll_cntl |= RADEON_LVDS_PLL_EN;
  90                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
  91                 mdelay(1);
  92
  93                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
  94                 lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
  95                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
  96
  97                 lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS |
  98                                    RADEON_LVDS_BL_MOD_LEVEL_MASK);
  99                 lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN |
 100                                   RADEON_LVDS_DIGON | RADEON_LVDS_BLON |
 101                                   (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT));
 102                 if (is_mac)
 103                         lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
 104                 mdelay(panel_pwr_delay);
 105                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 106                 break;
 107         case DRM_MODE_DPMS_STANDBY:
 108         case DRM_MODE_DPMS_SUSPEND:
 109         case DRM_MODE_DPMS_OFF:
 110                 pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 111                 WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
 112                 lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
 113                 if (is_mac) {
 114                         lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
 115                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 116                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
 117                 } else {
 118                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 119                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
 120                 }
 121                 mdelay(panel_pwr_delay);
 122                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 123                 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
 124                 mdelay(panel_pwr_delay);
 125                 break;
 126         }
 127
 128         if (rdev->is_atom_bios)
 129                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 130         else
 131                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 132
 133 }
 134
 135 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
 136 {
 137         struct radeon_device *rdev = encoder->dev->dev_private;
 138         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 139         DRM_DEBUG("\n");
 140
 141         if (radeon_encoder->enc_priv) {
 142                 if (rdev->is_atom_bios) {
 143                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 144                         lvds->dpms_mode = mode;
 145                 } else {
 146                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 147                         lvds->dpms_mode = mode;
 148                 }
 149         }
 150
 151         radeon_legacy_lvds_update(encoder, mode);
 152 }
 153
 154 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
 155 {
 156         struct radeon_device *rdev = encoder->dev->dev_private;
 157
 158         if (rdev->is_atom_bios)
 159                 radeon_atom_output_lock(encoder, true);
 160         else
 161                 radeon_combios_output_lock(encoder, true);
 162         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_OFF);
 163 }
 164
 165 static void radeon_legacy_lvds_commit(struct drm_encoder *encoder)
 166 {
 167         struct radeon_device *rdev = encoder->dev->dev_private;
 168
 169         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_ON);
 170         if (rdev->is_atom_bios)
 171                 radeon_atom_output_lock(encoder, false);
 172         else
 173                 radeon_combios_output_lock(encoder, false);
 174 }
 175
 176 static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
 177                                         struct drm_display_mode *mode,
 178                                         struct drm_display_mode *adjusted_mode)
 179 {
 180         struct drm_device *dev = encoder->dev;
 181         struct radeon_device *rdev = dev->dev_private;
 182         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 183         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 184         uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl;
 185
 186         DRM_DEBUG_KMS("\n");
 187
 188         lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
 189         lvds_pll_cntl &= ~RADEON_LVDS_PLL_EN;
 190
 191         lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
 192         if (rdev->is_atom_bios) {
 193                 /* LVDS_GEN_CNTL parameters are computed in LVDSEncoderControl
 194                  * need to call that on resume to set up the reg properly.
 195                  */
 196                 radeon_encoder->pixel_clock = adjusted_mode->clock;
 197                 atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_ENABLE);
 198                 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
 199         } else {
 200                 struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
 201                 if (lvds) {
 202                         DRM_DEBUG_KMS("bios LVDS_GEN_CNTL: 0x%x\n", lvds->lvds_gen_cntl);
 203                         lvds_gen_cntl = lvds->lvds_gen_cntl;
 204                         lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
 205                                               (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
 206                         lvds_ss_gen_cntl |= ((lvds->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
 207                                              (lvds->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
 208                 } else
 209                         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
 210         }
 211         lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
 212         lvds_gen_cntl &= ~(RADEON_LVDS_ON |
 213                            RADEON_LVDS_BLON |
 214                            RADEON_LVDS_EN |
 215                            RADEON_LVDS_RST_FM);
 216
 217         if (ASIC_IS_R300(rdev))
 218                 lvds_pll_cntl &= ~(R300_LVDS_SRC_SEL_MASK);
 219
 220         if (radeon_crtc->crtc_id == 0) {
 221                 if (ASIC_IS_R300(rdev)) {
 222                         if (radeon_encoder->rmx_type != RMX_OFF)
 223                                 lvds_pll_cntl |= R300_LVDS_SRC_SEL_RMX;
 224                 } else
 225                         lvds_gen_cntl &= ~RADEON_LVDS_SEL_CRTC2;
 226         } else {
 227                 if (ASIC_IS_R300(rdev))
 228                         lvds_pll_cntl |= R300_LVDS_SRC_SEL_CRTC2;
 229                 else
 230                         lvds_gen_cntl |= RADEON_LVDS_SEL_CRTC2;
 231         }
 232
 233         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 234         WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
 235         WREG32(RADEON_LVDS_SS_GEN_CNTL, lvds_ss_gen_cntl);
 236
 237         if (rdev->family == CHIP_RV410)
 238                 WREG32(RADEON_CLOCK_CNTL_INDEX, 0);
 239
 240         if (rdev->is_atom_bios)
 241                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 242         else
 243                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 244 }
 245
 246 static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
 247                                      const struct drm_display_mode *mode,
 248                                      struct drm_display_mode *adjusted_mode)
 249 {
 250         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 251
 252         /* set the active encoder to connector routing */
 253         radeon_encoder_set_active_device(encoder);
 254         drm_mode_set_crtcinfo(adjusted_mode, 0);
 255
 256         /* get the native mode for LVDS */
 257         if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
 258                 radeon_panel_mode_fixup(encoder, adjusted_mode);
 259
 260         return true;
 261 }
 262
 263 static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
 264         .dpms = radeon_legacy_lvds_dpms,
 265         .mode_fixup = radeon_legacy_mode_fixup,
 266         .prepare = radeon_legacy_lvds_prepare,
 267         .mode_set = radeon_legacy_lvds_mode_set,
 268         .commit = radeon_legacy_lvds_commit,
 269         .disable = radeon_legacy_encoder_disable,
 270 };
 271
 272 u8
 273 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
 274 {
 275         struct drm_device *dev = radeon_encoder->base.dev;
 276         struct radeon_device *rdev = dev->dev_private;
 277         u8 backlight_level;
 278
 279         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
 280                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
 281
 282         return backlight_level;
 283 }
 284
 285 void
 286 radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
 287 {
 288         struct drm_device *dev = radeon_encoder->base.dev;
 289         struct radeon_device *rdev = dev->dev_private;
 290         int dpms_mode = DRM_MODE_DPMS_ON;
 291
 292         if (radeon_encoder->enc_priv) {
 293                 if (rdev->is_atom_bios) {
 294                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 295                         if (lvds->backlight_level > 0)
 296                                 dpms_mode = lvds->dpms_mode;
 297                         else
 298                                 dpms_mode = DRM_MODE_DPMS_OFF;
 299                         lvds->backlight_level = level;
 300                 } else {
 301                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 302                         if (lvds->backlight_level > 0)
 303                                 dpms_mode = lvds->dpms_mode;
 304                         else
 305                                 dpms_mode = DRM_MODE_DPMS_OFF;
 306                         lvds->backlight_level = level;
 307                 }
 308         }
 309
 310         radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
 311 }
 312
 313 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 314
 315 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
 316 {
 317         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 318         uint8_t level;
 319
 320         /* Convert brightness to hardware level */
 321         if (bd->props.brightness < 0)
 322                 level = 0;
 323         else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
 324                 level = RADEON_MAX_BL_LEVEL;
 325         else
 326                 level = bd->props.brightness;
 327
 328         if (pdata->negative)
 329                 level = RADEON_MAX_BL_LEVEL - level;
 330
 331         return level;
 332 }
 333
 334 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
 335 {
 336         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 337         struct radeon_encoder *radeon_encoder = pdata->encoder;
 338
 339         radeon_legacy_set_backlight_level(radeon_encoder,
 340                                           radeon_legacy_lvds_level(bd));
 341
 342         return 0;
 343 }
 344
 345 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd)
 346 {
 347         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 348         struct radeon_encoder *radeon_encoder = pdata->encoder;
 349         struct drm_device *dev = radeon_encoder->base.dev;
 350         struct radeon_device *rdev = dev->dev_private;
 351         uint8_t backlight_level;
 352
 353         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
 354                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
 355
 356         return pdata->negative ? RADEON_MAX_BL_LEVEL - backlight_level : backlight_level;
 357 }
 358
 359 static const struct backlight_ops radeon_backlight_ops = {
 360         .get_brightness = radeon_legacy_backlight_get_brightness,
 361         .update_status  = radeon_legacy_backlight_update_status,
 362 };
 363
 364 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 365                                   struct drm_connector *drm_connector)
 366 {
 367         struct drm_device *dev = radeon_encoder->base.dev;
 368         struct radeon_device *rdev = dev->dev_private;
 369         struct backlight_device *bd;
 370         struct backlight_properties props;
 371         struct radeon_backlight_privdata *pdata;
 372         uint8_t backlight_level;
 373         char bl_name[16];
 374
 375         if (!radeon_encoder->enc_priv)
 376                 return;
 377
 378 #ifdef CONFIG_PMAC_BACKLIGHT
 379         if (!pmac_has_backlight_type("ati") &&
 380             !pmac_has_backlight_type("mnca"))
 381                 return;
 382 #endif
 383
 384         pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL);
 385         if (!pdata) {
 386                 DRM_ERROR("Memory allocation failed\n");
 387                 goto error;
 388         }
 389
 390         memset(&props, 0, sizeof(props));
 391         props.max_brightness = RADEON_MAX_BL_LEVEL;
 392         props.type = BACKLIGHT_RAW;
 393         snprintf(bl_name, sizeof(bl_name),
 394                  "radeon_bl%d", dev->primary->index);
 395         bd = backlight_device_register(bl_name, drm_connector->kdev,
 396                                        pdata, &radeon_backlight_ops, &props);
 397         if (IS_ERR(bd)) {
 398                 DRM_ERROR("Backlight registration failed\n");
 399                 goto error;
 400         }
 401
 402         pdata->encoder = radeon_encoder;
 403
 404         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
 405                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
 406
 407         /* First, try to detect backlight level sense based on the assumption
 408          * that firmware set it up at full brightness
 409          */
 410         if (backlight_level == 0)
 411                 pdata->negative = true;
 412         else if (backlight_level == 0xff)
 413                 pdata->negative = false;
 414         else {
 415                 /* XXX hack... maybe some day we can figure out in what direction
 416                  * backlight should work on a given panel?
 417                  */
 418                 pdata->negative = (rdev->family != CHIP_RV200 &&
 419                                    rdev->family != CHIP_RV250 &&
 420                                    rdev->family != CHIP_RV280 &&
 421                                    rdev->family != CHIP_RV350);
 422
 423 #ifdef CONFIG_PMAC_BACKLIGHT
 424                 pdata->negative = (pdata->negative ||
 425                                    of_machine_is_compatible("PowerBook4,3") ||
 426                                    of_machine_is_compatible("PowerBook6,3") ||
 427                                    of_machine_is_compatible("PowerBook6,5"));
 428 #endif
 429         }
 430
 431         if (rdev->is_atom_bios) {
 432                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 433                 lvds->bl_dev = bd;
 434         } else {
 435                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 436                 lvds->bl_dev = bd;
 437         }
 438
 439         bd->props.brightness = radeon_legacy_backlight_get_brightness(bd);
 440         bd->props.power = FB_BLANK_UNBLANK;
 441         backlight_update_status(bd);
 442
 443         DRM_INFO("radeon legacy LVDS backlight initialized\n");
 444
 445         return;
 446
 447 error:
 448         kfree(pdata);
 449         return;
 450 }
 451
 452 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
 453 {
 454         struct drm_device *dev = radeon_encoder->base.dev;
 455         struct radeon_device *rdev = dev->dev_private;
 456         struct backlight_device *bd = NULL;
 457
 458         if (!radeon_encoder->enc_priv)
 459                 return;
 460
 461         if (rdev->is_atom_bios) {
 462                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 463                 bd = lvds->bl_dev;
 464                 lvds->bl_dev = NULL;
 465         } else {
 466                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 467                 bd = lvds->bl_dev;
 468                 lvds->bl_dev = NULL;
 469         }
 470
 471         if (bd) {
 472                 struct radeon_backlight_privdata *pdata;
 473
 474                 pdata = bl_get_data(bd);
 475                 backlight_device_unregister(bd);
 476                 kfree(pdata);
 477
 478                 DRM_INFO("radeon legacy LVDS backlight unloaded\n");
 479         }
 480 }
 481
 482 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
 483
 484 void radeon_legacy_backlight_init(struct radeon_encoder *encoder)
 485 {
 486 }
 487
 488 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
 489 {
 490 }
 491
 492 #endif
 493
 494
 495 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
 496 {
 497         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 498
 499         if (radeon_encoder->enc_priv) {
 500                 radeon_legacy_backlight_exit(radeon_encoder);
 501                 kfree(radeon_encoder->enc_priv);
 502         }
 503         drm_encoder_cleanup(encoder);
 504         kfree(radeon_encoder);
 505 }
 506
 507 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
 508         .destroy = radeon_lvds_enc_destroy,
 509 };
 510
 511 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
 512 {
 513         struct drm_device *dev = encoder->dev;
 514         struct radeon_device *rdev = dev->dev_private;
 515         uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 516         uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
 517         uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 518
 519         DRM_DEBUG_KMS("\n");
 520
 521         switch (mode) {
 522         case DRM_MODE_DPMS_ON:
 523                 crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
 524                 dac_cntl &= ~RADEON_DAC_PDWN;
 525                 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
 526                                     RADEON_DAC_PDWN_G |
 527                                     RADEON_DAC_PDWN_B);
 528                 break;
 529         case DRM_MODE_DPMS_STANDBY:
 530         case DRM_MODE_DPMS_SUSPEND:
 531         case DRM_MODE_DPMS_OFF:
 532                 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
 533                 dac_cntl |= RADEON_DAC_PDWN;
 534                 dac_macro_cntl |= (RADEON_DAC_PDWN_R |
 535                                    RADEON_DAC_PDWN_G |
 536                                    RADEON_DAC_PDWN_B);
 537                 break;
 538         }
 539
 540         /* handled in radeon_crtc_dpms() */
 541         if (!(rdev->flags & RADEON_SINGLE_CRTC))
 542                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 543         WREG32(RADEON_DAC_CNTL, dac_cntl);
 544         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 545
 546         if (rdev->is_atom_bios)
 547                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 548         else
 549                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 550
 551 }
 552
 553 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
 554 {
 555         struct radeon_device *rdev = encoder->dev->dev_private;
 556
 557         if (rdev->is_atom_bios)
 558                 radeon_atom_output_lock(encoder, true);
 559         else
 560                 radeon_combios_output_lock(encoder, true);
 561         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
 562 }
 563
 564 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
 565 {
 566         struct radeon_device *rdev = encoder->dev->dev_private;
 567
 568         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
 569
 570         if (rdev->is_atom_bios)
 571                 radeon_atom_output_lock(encoder, false);
 572         else
 573                 radeon_combios_output_lock(encoder, false);
 574 }
 575
 576 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
 577                                                struct drm_display_mode *mode,
 578                                                struct drm_display_mode *adjusted_mode)
 579 {
 580         struct drm_device *dev = encoder->dev;
 581         struct radeon_device *rdev = dev->dev_private;
 582         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 583         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 584         uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
 585
 586         DRM_DEBUG_KMS("\n");
 587
 588         if (radeon_crtc->crtc_id == 0) {
 589                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 590                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 591                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 592                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 593                 } else {
 594                         dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
 595                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 596                 }
 597         } else {
 598                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 599                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 600                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 601                         disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
 602                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 603                 } else {
 604                         dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
 605                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 606                 }
 607         }
 608
 609         dac_cntl = (RADEON_DAC_MASK_ALL |
 610                     RADEON_DAC_VGA_ADR_EN |
 611                     /* TODO 6-bits */
 612                     RADEON_DAC_8BIT_EN);
 613
 614         WREG32_P(RADEON_DAC_CNTL,
 615                        dac_cntl,
 616                        RADEON_DAC_RANGE_CNTL |
 617                        RADEON_DAC_BLANKING);
 618
 619         if (radeon_encoder->enc_priv) {
 620                 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
 621                 dac_macro_cntl = p_dac->ps2_pdac_adj;
 622         } else
 623                 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 624         dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
 625         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 626
 627         if (rdev->is_atom_bios)
 628                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 629         else
 630                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 631 }
 632
 633 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
 634                                                                   struct drm_connector *connector)
 635 {
 636         struct drm_device *dev = encoder->dev;
 637         struct radeon_device *rdev = dev->dev_private;
 638         uint32_t vclk_ecp_cntl, crtc_ext_cntl;
 639         uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
 640         enum drm_connector_status found = connector_status_disconnected;
 641         bool color = true;
 642
 643         /* just don't bother on RN50 those chip are often connected to remoting
 644          * console hw and often we get failure to load detect those. So to make
 645          * everyone happy report the encoder as always connected.
 646          */
 647         if (ASIC_IS_RN50(rdev)) {
 648                 return connector_status_connected;
 649         }
 650
 651         /* save the regs we need */
 652         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 653         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 654         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
 655         dac_cntl = RREG32(RADEON_DAC_CNTL);
 656         dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 657
 658         tmp = vclk_ecp_cntl &
 659                 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
 660         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 661
 662         tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
 663         WREG32(RADEON_CRTC_EXT_CNTL, tmp);
 664
 665         tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
 666                 RADEON_DAC_FORCE_DATA_EN;
 667
 668         if (color)
 669                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
 670         else
 671                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
 672
 673         if (ASIC_IS_R300(rdev))
 674                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
 675         else if (ASIC_IS_RV100(rdev))
 676                 tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
 677         else
 678                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 679
 680         WREG32(RADEON_DAC_EXT_CNTL, tmp);
 681
 682         tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
 683         tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
 684         WREG32(RADEON_DAC_CNTL, tmp);
 685
 686         tmp = dac_macro_cntl;
 687         tmp &= ~(RADEON_DAC_PDWN_R |
 688                  RADEON_DAC_PDWN_G |
 689                  RADEON_DAC_PDWN_B);
 690
 691         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
 692
 693         mdelay(2);
 694
 695         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
 696                 found = connector_status_connected;
 697
 698         /* restore the regs we used */
 699         WREG32(RADEON_DAC_CNTL, dac_cntl);
 700         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 701         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
 702         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 703         WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
 704
 705         return found;
 706 }
 707
 708 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
 709         .dpms = radeon_legacy_primary_dac_dpms,
 710         .mode_fixup = radeon_legacy_mode_fixup,
 711         .prepare = radeon_legacy_primary_dac_prepare,
 712         .mode_set = radeon_legacy_primary_dac_mode_set,
 713         .commit = radeon_legacy_primary_dac_commit,
 714         .detect = radeon_legacy_primary_dac_detect,
 715         .disable = radeon_legacy_encoder_disable,
 716 };
 717
 718
 719 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
 720         .destroy = radeon_enc_destroy,
 721 };
 722
 723 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
 724 {
 725         struct drm_device *dev = encoder->dev;
 726         struct radeon_device *rdev = dev->dev_private;
 727         uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
 728         DRM_DEBUG_KMS("\n");
 729
 730         switch (mode) {
 731         case DRM_MODE_DPMS_ON:
 732                 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 733                 break;
 734         case DRM_MODE_DPMS_STANDBY:
 735         case DRM_MODE_DPMS_SUSPEND:
 736         case DRM_MODE_DPMS_OFF:
 737                 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 738                 break;
 739         }
 740
 741         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 742
 743         if (rdev->is_atom_bios)
 744                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 745         else
 746                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 747
 748 }
 749
 750 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
 751 {
 752         struct radeon_device *rdev = encoder->dev->dev_private;
 753
 754         if (rdev->is_atom_bios)
 755                 radeon_atom_output_lock(encoder, true);
 756         else
 757                 radeon_combios_output_lock(encoder, true);
 758         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
 759 }
 760
 761 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
 762 {
 763         struct radeon_device *rdev = encoder->dev->dev_private;
 764
 765         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
 766
 767         if (rdev->is_atom_bios)
 768                 radeon_atom_output_lock(encoder, true);
 769         else
 770                 radeon_combios_output_lock(encoder, true);
 771 }
 772
 773 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
 774                                             struct drm_display_mode *mode,
 775                                             struct drm_display_mode *adjusted_mode)
 776 {
 777         struct drm_device *dev = encoder->dev;
 778         struct radeon_device *rdev = dev->dev_private;
 779         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 780         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 781         uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
 782         int i;
 783
 784         DRM_DEBUG_KMS("\n");
 785
 786         tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
 787         tmp &= 0xfffff;
 788         if (rdev->family == CHIP_RV280) {
 789                 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */
 790                 tmp ^= (1 << 22);
 791                 tmds_pll_cntl ^= (1 << 22);
 792         }
 793
 794         if (radeon_encoder->enc_priv) {
 795                 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
 796
 797                 for (i = 0; i < 4; i++) {
 798                         if (tmds->tmds_pll[i].freq == 0)
 799                                 break;
 800                         if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
 801                                 tmp = tmds->tmds_pll[i].value ;
 802                                 break;
 803                         }
 804                 }
 805         }
 806
 807         if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
 808                 if (tmp & 0xfff00000)
 809                         tmds_pll_cntl = tmp;
 810                 else {
 811                         tmds_pll_cntl &= 0xfff00000;
 812                         tmds_pll_cntl |= tmp;
 813                 }
 814         } else
 815                 tmds_pll_cntl = tmp;
 816
 817         tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
 818                 ~(RADEON_TMDS_TRANSMITTER_PLLRST);
 819
 820     if (rdev->family == CHIP_R200 ||
 821         rdev->family == CHIP_R100 ||
 822         ASIC_IS_R300(rdev))
 823             tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
 824     else /* RV chips got this bit reversed */
 825             tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
 826
 827     fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
 828                    (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
 829                     RADEON_FP_CRTC_DONT_SHADOW_HEND));
 830
 831     fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 832
 833     fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
 834                      RADEON_FP_DFP_SYNC_SEL |
 835                      RADEON_FP_CRT_SYNC_SEL |
 836                      RADEON_FP_CRTC_LOCK_8DOT |
 837                      RADEON_FP_USE_SHADOW_EN |
 838                      RADEON_FP_CRTC_USE_SHADOW_VEND |
 839                      RADEON_FP_CRT_SYNC_ALT);
 840
 841     if (1) /*  FIXME rgbBits == 8 */
 842             fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
 843     else
 844             fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
 845
 846     if (radeon_crtc->crtc_id == 0) {
 847             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 848                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 849                     if (radeon_encoder->rmx_type != RMX_OFF)
 850                             fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
 851                     else
 852                             fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
 853             } else
 854                     fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
 855     } else {
 856             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 857                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 858                     fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
 859             } else
 860                     fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
 861     }
 862
 863     WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
 864     WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
 865     WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 866
 867         if (rdev->is_atom_bios)
 868                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 869         else
 870                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 871 }
 872
 873 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
 874         .dpms = radeon_legacy_tmds_int_dpms,
 875         .mode_fixup = radeon_legacy_mode_fixup,
 876         .prepare = radeon_legacy_tmds_int_prepare,
 877         .mode_set = radeon_legacy_tmds_int_mode_set,
 878         .commit = radeon_legacy_tmds_int_commit,
 879         .disable = radeon_legacy_encoder_disable,
 880 };
 881
 882
 883 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
 884         .destroy = radeon_enc_destroy,
 885 };
 886
 887 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
 888 {
 889         struct drm_device *dev = encoder->dev;
 890         struct radeon_device *rdev = dev->dev_private;
 891         uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 892         DRM_DEBUG_KMS("\n");
 893
 894         switch (mode) {
 895         case DRM_MODE_DPMS_ON:
 896                 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
 897                 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 898                 break;
 899         case DRM_MODE_DPMS_STANDBY:
 900         case DRM_MODE_DPMS_SUSPEND:
 901         case DRM_MODE_DPMS_OFF:
 902                 fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
 903                 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 904                 break;
 905         }
 906
 907         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
 908
 909         if (rdev->is_atom_bios)
 910                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 911         else
 912                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 913
 914 }
 915
 916 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
 917 {
 918         struct radeon_device *rdev = encoder->dev->dev_private;
 919
 920         if (rdev->is_atom_bios)
 921                 radeon_atom_output_lock(encoder, true);
 922         else
 923                 radeon_combios_output_lock(encoder, true);
 924         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
 925 }
 926
 927 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
 928 {
 929         struct radeon_device *rdev = encoder->dev->dev_private;
 930         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
 931
 932         if (rdev->is_atom_bios)
 933                 radeon_atom_output_lock(encoder, false);
 934         else
 935                 radeon_combios_output_lock(encoder, false);
 936 }
 937
 938 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
 939                                             struct drm_display_mode *mode,
 940                                             struct drm_display_mode *adjusted_mode)
 941 {
 942         struct drm_device *dev = encoder->dev;
 943         struct radeon_device *rdev = dev->dev_private;
 944         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 945         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 946         uint32_t fp2_gen_cntl;
 947
 948         DRM_DEBUG_KMS("\n");
 949
 950         if (rdev->is_atom_bios) {
 951                 radeon_encoder->pixel_clock = adjusted_mode->clock;
 952                 atombios_dvo_setup(encoder, ATOM_ENABLE);
 953                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 954         } else {
 955                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 956
 957                 if (1) /*  FIXME rgbBits == 8 */
 958                         fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
 959                 else
 960                         fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
 961
 962                 fp2_gen_cntl &= ~(RADEON_FP2_ON |
 963                                   RADEON_FP2_DVO_EN |
 964                                   RADEON_FP2_DVO_RATE_SEL_SDR);
 965
 966                 /* XXX: these are oem specific */
 967                 if (ASIC_IS_R300(rdev)) {
 968                         if ((dev->pdev->device == 0x4850) &&
 969                             (dev->pdev->subsystem_vendor == 0x1028) &&
 970                             (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
 971                                 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
 972                         else
 973                                 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
 974
 975                         /*if (mode->clock > 165000)
 976                           fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
 977                 }
 978                 if (!radeon_combios_external_tmds_setup(encoder))
 979                         radeon_external_tmds_setup(encoder);
 980         }
 981
 982         if (radeon_crtc->crtc_id == 0) {
 983                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 984                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 985                         if (radeon_encoder->rmx_type != RMX_OFF)
 986                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
 987                         else
 988                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
 989                 } else
 990                         fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
 991         } else {
 992                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 993                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 994                         fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
 995                 } else
 996                         fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
 997         }
 998
 999         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1000
1001         if (rdev->is_atom_bios)
1002                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1003         else
1004                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1005 }
1006
1007 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
1008 {
1009         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1010         /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
1011         kfree(radeon_encoder->enc_priv);
1012         drm_encoder_cleanup(encoder);
1013         kfree(radeon_encoder);
1014 }
1015
1016 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
1017         .dpms = radeon_legacy_tmds_ext_dpms,
1018         .mode_fixup = radeon_legacy_mode_fixup,
1019         .prepare = radeon_legacy_tmds_ext_prepare,
1020         .mode_set = radeon_legacy_tmds_ext_mode_set,
1021         .commit = radeon_legacy_tmds_ext_commit,
1022         .disable = radeon_legacy_encoder_disable,
1023 };
1024
1025
1026 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1027         .destroy = radeon_ext_tmds_enc_destroy,
1028 };
1029
1030 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1031 {
1032         struct drm_device *dev = encoder->dev;
1033         struct radeon_device *rdev = dev->dev_private;
1034         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1035         uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1036         uint32_t tv_master_cntl = 0;
1037         bool is_tv;
1038         DRM_DEBUG_KMS("\n");
1039
1040         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1041
1042         if (rdev->family == CHIP_R200)
1043                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1044         else {
1045                 if (is_tv)
1046                         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1047                 else
1048                         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1049                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1050         }
1051
1052         switch (mode) {
1053         case DRM_MODE_DPMS_ON:
1054                 if (rdev->family == CHIP_R200) {
1055                         fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1056                 } else {
1057                         if (is_tv)
1058                                 tv_master_cntl |= RADEON_TV_ON;
1059                         else
1060                                 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1061
1062                         if (rdev->family == CHIP_R420 ||
1063                             rdev->family == CHIP_R423 ||
1064                             rdev->family == CHIP_RV410)
1065                                 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1066                                                  R420_TV_DAC_GDACPD |
1067                                                  R420_TV_DAC_BDACPD |
1068                                                  RADEON_TV_DAC_BGSLEEP);
1069                         else
1070                                 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1071                                                  RADEON_TV_DAC_GDACPD |
1072                                                  RADEON_TV_DAC_BDACPD |
1073                                                  RADEON_TV_DAC_BGSLEEP);
1074                 }
1075                 break;
1076         case DRM_MODE_DPMS_STANDBY:
1077         case DRM_MODE_DPMS_SUSPEND:
1078         case DRM_MODE_DPMS_OFF:
1079                 if (rdev->family == CHIP_R200)
1080                         fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1081                 else {
1082                         if (is_tv)
1083                                 tv_master_cntl &= ~RADEON_TV_ON;
1084                         else
1085                                 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1086
1087                         if (rdev->family == CHIP_R420 ||
1088                             rdev->family == CHIP_R423 ||
1089                             rdev->family == CHIP_RV410)
1090                                 tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1091                                                 R420_TV_DAC_GDACPD |
1092                                                 R420_TV_DAC_BDACPD |
1093                                                 RADEON_TV_DAC_BGSLEEP);
1094                         else
1095                                 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1096                                                 RADEON_TV_DAC_GDACPD |
1097                                                 RADEON_TV_DAC_BDACPD |
1098                                                 RADEON_TV_DAC_BGSLEEP);
1099                 }
1100                 break;
1101         }
1102
1103         if (rdev->family == CHIP_R200) {
1104                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1105         } else {
1106                 if (is_tv)
1107                         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1108                 /* handled in radeon_crtc_dpms() */
1109                 else if (!(rdev->flags & RADEON_SINGLE_CRTC))
1110                         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1111                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1112         }
1113
1114         if (rdev->is_atom_bios)
1115                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1116         else
1117                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1118
1119 }
1120
1121 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1122 {
1123         struct radeon_device *rdev = encoder->dev->dev_private;
1124
1125         if (rdev->is_atom_bios)
1126                 radeon_atom_output_lock(encoder, true);
1127         else
1128                 radeon_combios_output_lock(encoder, true);
1129         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1130 }
1131
1132 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1133 {
1134         struct radeon_device *rdev = encoder->dev->dev_private;
1135
1136         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1137
1138         if (rdev->is_atom_bios)
1139                 radeon_atom_output_lock(encoder, true);
1140         else
1141                 radeon_combios_output_lock(encoder, true);
1142 }
1143
1144 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1145                 struct drm_display_mode *mode,
1146                 struct drm_display_mode *adjusted_mode)
1147 {
1148         struct drm_device *dev = encoder->dev;
1149         struct radeon_device *rdev = dev->dev_private;
1150         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1151         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1152         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1153         uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1154         uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1155         bool is_tv = false;
1156
1157         DRM_DEBUG_KMS("\n");
1158
1159         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1160
1161         if (rdev->family != CHIP_R200) {
1162                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1163                 if (rdev->family == CHIP_R420 ||
1164                     rdev->family == CHIP_R423 ||
1165                     rdev->family == CHIP_RV410) {
1166                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1167                                          RADEON_TV_DAC_BGADJ_MASK |
1168                                          R420_TV_DAC_DACADJ_MASK |
1169                                          R420_TV_DAC_RDACPD |
1170                                          R420_TV_DAC_GDACPD |
1171                                          R420_TV_DAC_BDACPD |
1172                                          R420_TV_DAC_TVENABLE);
1173                 } else {
1174                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1175                                          RADEON_TV_DAC_BGADJ_MASK |
1176                                          RADEON_TV_DAC_DACADJ_MASK |
1177                                          RADEON_TV_DAC_RDACPD |
1178                                          RADEON_TV_DAC_GDACPD |
1179                                          RADEON_TV_DAC_BDACPD);
1180                 }
1181
1182                 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1183
1184                 if (is_tv) {
1185                         if (tv_dac->tv_std == TV_STD_NTSC ||
1186                             tv_dac->tv_std == TV_STD_NTSC_J ||
1187                             tv_dac->tv_std == TV_STD_PAL_M ||
1188                             tv_dac->tv_std == TV_STD_PAL_60)
1189                                 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1190                         else
1191                                 tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1192
1193                         if (tv_dac->tv_std == TV_STD_NTSC ||
1194                             tv_dac->tv_std == TV_STD_NTSC_J)
1195                                 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1196                         else
1197                                 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1198                 } else
1199                         tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1200                                         tv_dac->ps2_tvdac_adj);
1201
1202                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1203         }
1204
1205         if (ASIC_IS_R300(rdev)) {
1206                 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1207                 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1208         } else if (rdev->family != CHIP_R200)
1209                 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1210         else if (rdev->family == CHIP_R200)
1211                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1212
1213         if (rdev->family >= CHIP_R200)
1214                 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1215
1216         if (is_tv) {
1217                 uint32_t dac_cntl;
1218
1219                 dac_cntl = RREG32(RADEON_DAC_CNTL);
1220                 dac_cntl &= ~RADEON_DAC_TVO_EN;
1221                 WREG32(RADEON_DAC_CNTL, dac_cntl);
1222
1223                 if (ASIC_IS_R300(rdev))
1224                         gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1225
1226                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1227                 if (radeon_crtc->crtc_id == 0) {
1228                         if (ASIC_IS_R300(rdev)) {
1229                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1230                                 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1231                                                      RADEON_DISP_TV_SOURCE_CRTC);
1232                         }
1233                         if (rdev->family >= CHIP_R200) {
1234                                 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1235                         } else {
1236                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1237                         }
1238                 } else {
1239                         if (ASIC_IS_R300(rdev)) {
1240                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1241                                 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1242                         }
1243                         if (rdev->family >= CHIP_R200) {
1244                                 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1245                         } else {
1246                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1247                         }
1248                 }
1249                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1250         } else {
1251
1252                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1253
1254                 if (radeon_crtc->crtc_id == 0) {
1255                         if (ASIC_IS_R300(rdev)) {
1256                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1257                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1258                         } else if (rdev->family == CHIP_R200) {
1259                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1260                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1261                         } else
1262                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1263                 } else {
1264                         if (ASIC_IS_R300(rdev)) {
1265                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1266                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1267                         } else if (rdev->family == CHIP_R200) {
1268                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1269                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1270                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1271                         } else
1272                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1273                 }
1274                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1275         }
1276
1277         if (ASIC_IS_R300(rdev)) {
1278                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1279                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1280         } else if (rdev->family != CHIP_R200)
1281                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1282         else if (rdev->family == CHIP_R200)
1283                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1284
1285         if (rdev->family >= CHIP_R200)
1286                 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1287
1288         if (is_tv)
1289                 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1290
1291         if (rdev->is_atom_bios)
1292                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1293         else
1294                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1295
1296 }
1297
1298 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1299                                   struct drm_connector *connector)
1300 {
1301         struct drm_device *dev = encoder->dev;
1302         struct radeon_device *rdev = dev->dev_private;
1303         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1304         uint32_t disp_output_cntl, gpiopad_a, tmp;
1305         bool found = false;
1306
1307         /* save regs needed */
1308         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1309         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1310         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1311         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1312         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1313         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1314
1315         WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1316
1317         WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1318
1319         WREG32(RADEON_CRTC2_GEN_CNTL,
1320                RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1321
1322         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1323         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1324         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1325
1326         WREG32(RADEON_DAC_EXT_CNTL,
1327                RADEON_DAC2_FORCE_BLANK_OFF_EN |
1328                RADEON_DAC2_FORCE_DATA_EN |
1329                RADEON_DAC_FORCE_DATA_SEL_RGB |
1330                (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1331
1332         WREG32(RADEON_TV_DAC_CNTL,
1333                RADEON_TV_DAC_STD_NTSC |
1334                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1335                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1336
1337         RREG32(RADEON_TV_DAC_CNTL);
1338         mdelay(4);
1339
1340         WREG32(RADEON_TV_DAC_CNTL,
1341                RADEON_TV_DAC_NBLANK |
1342                RADEON_TV_DAC_NHOLD |
1343                RADEON_TV_MONITOR_DETECT_EN |
1344                RADEON_TV_DAC_STD_NTSC |
1345                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1346                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1347
1348         RREG32(RADEON_TV_DAC_CNTL);
1349         mdelay(6);
1350
1351         tmp = RREG32(RADEON_TV_DAC_CNTL);
1352         if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1353                 found = true;
1354                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1355         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1356                 found = true;
1357                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1358         }
1359
1360         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1361         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1362         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1363         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1364         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1365         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1366         return found;
1367 }
1368
1369 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1370                                     struct drm_connector *connector)
1371 {
1372         struct drm_device *dev = encoder->dev;
1373         struct radeon_device *rdev = dev->dev_private;
1374         uint32_t tv_dac_cntl, dac_cntl2;
1375         uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1376         bool found = false;
1377
1378         if (ASIC_IS_R300(rdev))
1379                 return r300_legacy_tv_detect(encoder, connector);
1380
1381         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1382         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1383         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1384         config_cntl = RREG32(RADEON_CONFIG_CNTL);
1385         tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1386
1387         tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1388         WREG32(RADEON_DAC_CNTL2, tmp);
1389
1390         tmp = tv_master_cntl | RADEON_TV_ON;
1391         tmp &= ~(RADEON_TV_ASYNC_RST |
1392                  RADEON_RESTART_PHASE_FIX |
1393                  RADEON_CRT_FIFO_CE_EN |
1394                  RADEON_TV_FIFO_CE_EN |
1395                  RADEON_RE_SYNC_NOW_SEL_MASK);
1396         tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1397         WREG32(RADEON_TV_MASTER_CNTL, tmp);
1398
1399         tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1400                 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1401                 (8 << RADEON_TV_DAC_BGADJ_SHIFT);
1402
1403         if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1404                 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1405         else
1406                 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1407         WREG32(RADEON_TV_DAC_CNTL, tmp);
1408
1409         tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1410                 RADEON_RED_MX_FORCE_DAC_DATA |
1411                 RADEON_GRN_MX_FORCE_DAC_DATA |
1412                 RADEON_BLU_MX_FORCE_DAC_DATA |
1413                 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1414         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1415
1416         mdelay(3);
1417         tmp = RREG32(RADEON_TV_DAC_CNTL);
1418         if (tmp & RADEON_TV_DAC_GDACDET) {
1419                 found = true;
1420                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1421         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1422                 found = true;
1423                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1424         }
1425
1426         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1427         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1428         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1429         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1430         return found;
1431 }
1432
1433 static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
1434                                          struct drm_connector *connector)
1435 {
1436         struct drm_device *dev = encoder->dev;
1437         struct radeon_device *rdev = dev->dev_private;
1438         uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
1439         uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
1440         uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
1441         uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
1442         uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
1443         bool found = false;
1444         int i;
1445
1446         /* save the regs we need */
1447         gpio_monid = RREG32(RADEON_GPIO_MONID);
1448         fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1449         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1450         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1451         disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
1452         disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
1453         disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
1454         disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
1455         disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
1456         disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
1457         crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
1458         crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
1459         crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
1460         crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
1461
1462         tmp = RREG32(RADEON_GPIO_MONID);
1463         tmp &= ~RADEON_GPIO_A_0;
1464         WREG32(RADEON_GPIO_MONID, tmp);
1465
1466         WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
1467                                      RADEON_FP2_PANEL_FORMAT |
1468                                      R200_FP2_SOURCE_SEL_TRANS_UNIT |
1469                                      RADEON_FP2_DVO_EN |
1470                                      R200_FP2_DVO_RATE_SEL_SDR));
1471
1472         WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
1473                                          RADEON_DISP_TRANS_MATRIX_GRAPHICS));
1474
1475         WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
1476                                        RADEON_CRTC2_DISP_REQ_EN_B));
1477
1478         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
1479         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
1480         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
1481         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
1482         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
1483         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
1484
1485         WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
1486         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
1487         WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
1488         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
1489
1490         for (i = 0; i < 200; i++) {
1491                 tmp = RREG32(RADEON_GPIO_MONID);
1492                 if (tmp & RADEON_GPIO_Y_0)
1493                         found = true;
1494
1495                 if (found)
1496                         break;
1497
1498                 if (!drm_can_sleep())
1499                         mdelay(1);
1500                 else
1501                         msleep(1);
1502         }
1503
1504         /* restore the regs we used */
1505         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
1506         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
1507         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
1508         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
1509         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
1510         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
1511         WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
1512         WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
1513         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
1514         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
1515         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1516         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1517         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1518         WREG32(RADEON_GPIO_MONID, gpio_monid);
1519
1520         return found;
1521 }
1522
1523 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1524                                                              struct drm_connector *connector)
1525 {
1526         struct drm_device *dev = encoder->dev;
1527         struct radeon_device *rdev = dev->dev_private;
1528         uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1529         uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
1530         uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
1531         enum drm_connector_status found = connector_status_disconnected;
1532         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1533         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1534         bool color = true;
1535         struct drm_crtc *crtc;
1536
1537         /* find out if crtc2 is in use or if this encoder is using it */
1538         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1539                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1540                 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1541                         if (encoder->crtc != crtc) {
1542                                 return connector_status_disconnected;
1543                         }
1544                 }
1545         }
1546
1547         if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1548             connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1549             connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1550                 bool tv_detect;
1551
1552                 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1553                         return connector_status_disconnected;
1554
1555                 tv_detect = radeon_legacy_tv_detect(encoder, connector);
1556                 if (tv_detect && tv_dac)
1557                         found = connector_status_connected;
1558                 return found;
1559         }
1560
1561         /* don't probe if the encoder is being used for something else not CRT related */
1562         if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1563                 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1564                 return connector_status_disconnected;
1565         }
1566
1567         /* R200 uses an external DAC for secondary DAC */
1568         if (rdev->family == CHIP_R200) {
1569                 if (radeon_legacy_ext_dac_detect(encoder, connector))
1570                         found = connector_status_connected;
1571                 return found;
1572         }
1573
1574         /* save the regs we need */
1575         pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1576
1577         if (rdev->flags & RADEON_SINGLE_CRTC) {
1578                 crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
1579         } else {
1580                 if (ASIC_IS_R300(rdev)) {
1581                         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1582                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1583                 } else {
1584                         disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1585                 }
1586                 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1587         }
1588         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1589         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1590         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1591
1592         tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1593                                | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1594         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1595
1596         if (rdev->flags & RADEON_SINGLE_CRTC) {
1597                 tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
1598                 WREG32(RADEON_CRTC_EXT_CNTL, tmp);
1599         } else {
1600                 tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1601                 tmp |= RADEON_CRTC2_CRT2_ON |
1602                         (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1603                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1604
1605                 if (ASIC_IS_R300(rdev)) {
1606                         WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1607                         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1608                         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1609                         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1610                 } else {
1611                         tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1612                         WREG32(RADEON_DISP_HW_DEBUG, tmp);
1613                 }
1614         }
1615
1616         tmp = RADEON_TV_DAC_NBLANK |
1617                 RADEON_TV_DAC_NHOLD |
1618                 RADEON_TV_MONITOR_DETECT_EN |
1619                 RADEON_TV_DAC_STD_PS2;
1620
1621         WREG32(RADEON_TV_DAC_CNTL, tmp);
1622
1623         tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1624                 RADEON_DAC2_FORCE_DATA_EN;
1625
1626         if (color)
1627                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1628         else
1629                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1630
1631         if (ASIC_IS_R300(rdev))
1632                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1633         else
1634                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1635
1636         WREG32(RADEON_DAC_EXT_CNTL, tmp);
1637
1638         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1639         WREG32(RADEON_DAC_CNTL2, tmp);
1640
1641         mdelay(10);
1642
1643         if (ASIC_IS_R300(rdev)) {
1644                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1645                         found = connector_status_connected;
1646         } else {
1647                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1648                         found = connector_status_connected;
1649         }
1650
1651         /* restore regs we used */
1652         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1653         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1654         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1655
1656         if (rdev->flags & RADEON_SINGLE_CRTC) {
1657                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
1658         } else {
1659                 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1660                 if (ASIC_IS_R300(rdev)) {
1661                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1662                         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1663                 } else {
1664                         WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1665                 }
1666         }
1667
1668         WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1669
1670         return found;
1671
1672 }
1673
1674 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1675         .dpms = radeon_legacy_tv_dac_dpms,
1676         .mode_fixup = radeon_legacy_mode_fixup,
1677         .prepare = radeon_legacy_tv_dac_prepare,
1678         .mode_set = radeon_legacy_tv_dac_mode_set,
1679         .commit = radeon_legacy_tv_dac_commit,
1680         .detect = radeon_legacy_tv_dac_detect,
1681         .disable = radeon_legacy_encoder_disable,
1682 };
1683
1684
1685 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1686         .destroy = radeon_enc_destroy,
1687 };
1688
1689
1690 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1691 {
1692         struct drm_device *dev = encoder->base.dev;
1693         struct radeon_device *rdev = dev->dev_private;
1694         struct radeon_encoder_int_tmds *tmds = NULL;
1695         bool ret;
1696
1697         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1698
1699         if (!tmds)
1700                 return NULL;
1701
1702         if (rdev->is_atom_bios)
1703                 ret = radeon_atombios_get_tmds_info(encoder, tmds);
1704         else
1705                 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1706
1707         if (ret == false)
1708                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1709
1710         return tmds;
1711 }
1712
1713 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1714 {
1715         struct drm_device *dev = encoder->base.dev;
1716         struct radeon_device *rdev = dev->dev_private;
1717         struct radeon_encoder_ext_tmds *tmds = NULL;
1718         bool ret;
1719
1720         if (rdev->is_atom_bios)
1721                 return NULL;
1722
1723         tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1724
1725         if (!tmds)
1726                 return NULL;
1727
1728         ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1729
1730         if (ret == false)
1731                 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1732
1733         return tmds;
1734 }
1735
1736 void
1737 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1738 {
1739         struct radeon_device *rdev = dev->dev_private;
1740         struct drm_encoder *encoder;
1741         struct radeon_encoder *radeon_encoder;
1742
1743         /* see if we already added it */
1744         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1745                 radeon_encoder = to_radeon_encoder(encoder);
1746                 if (radeon_encoder->encoder_enum == encoder_enum) {
1747                         radeon_encoder->devices |= supported_device;
1748                         return;
1749                 }
1750
1751         }
1752
1753         /* add a new one */
1754         radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1755         if (!radeon_encoder)
1756                 return;
1757
1758         encoder = &radeon_encoder->base;
1759         if (rdev->flags & RADEON_SINGLE_CRTC)
1760                 encoder->possible_crtcs = 0x1;
1761         else
1762                 encoder->possible_crtcs = 0x3;
1763
1764         radeon_encoder->enc_priv = NULL;
1765
1766         radeon_encoder->encoder_enum = encoder_enum;
1767         radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1768         radeon_encoder->devices = supported_device;
1769         radeon_encoder->rmx_type = RMX_OFF;
1770
1771         switch (radeon_encoder->encoder_id) {
1772         case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1773                 encoder->possible_crtcs = 0x1;
1774                 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS);
1775                 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1776                 if (rdev->is_atom_bios)
1777                         radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1778                 else
1779                         radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1780                 radeon_encoder->rmx_type = RMX_FULL;
1781                 break;
1782         case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1783                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs, DRM_MODE_ENCODER_TMDS);
1784                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1785                 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1786                 break;
1787         case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1788                 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs, DRM_MODE_ENCODER_DAC);
1789                 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1790                 if (rdev->is_atom_bios)
1791                         radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1792                 else
1793                         radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1794                 break;
1795         case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1796                 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs, DRM_MODE_ENCODER_TVDAC);
1797                 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1798                 if (rdev->is_atom_bios)
1799                         radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1800                 else
1801                         radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1802                 break;
1803         case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1804                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs, DRM_MODE_ENCODER_TMDS);
1805                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1806                 if (!rdev->is_atom_bios)
1807                         radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1808                 break;
1809         }
1810 }