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         rdev->mode_info.bl_encoder = radeon_encoder;
 445
 446         return;
 447
 448 error:
 449         kfree(pdata);
 450         return;
 451 }
 452
 453 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
 454 {
 455         struct drm_device *dev = radeon_encoder->base.dev;
 456         struct radeon_device *rdev = dev->dev_private;
 457         struct backlight_device *bd = NULL;
 458
 459         if (!radeon_encoder->enc_priv)
 460                 return;
 461
 462         if (rdev->is_atom_bios) {
 463                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 464                 bd = lvds->bl_dev;
 465                 lvds->bl_dev = NULL;
 466         } else {
 467                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 468                 bd = lvds->bl_dev;
 469                 lvds->bl_dev = NULL;
 470         }
 471
 472         if (bd) {
 473                 struct radeon_backlight_privdata *pdata;
 474
 475                 pdata = bl_get_data(bd);
 476                 backlight_device_unregister(bd);
 477                 kfree(pdata);
 478
 479                 DRM_INFO("radeon legacy LVDS backlight unloaded\n");
 480         }
 481 }
 482
 483 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
 484
 485 void radeon_legacy_backlight_init(struct radeon_encoder *encoder)
 486 {
 487 }
 488
 489 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
 490 {
 491 }
 492
 493 #endif
 494
 495
 496 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
 497 {
 498         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 499
 500         if (radeon_encoder->enc_priv) {
 501                 radeon_legacy_backlight_exit(radeon_encoder);
 502                 kfree(radeon_encoder->enc_priv);
 503         }
 504         drm_encoder_cleanup(encoder);
 505         kfree(radeon_encoder);
 506 }
 507
 508 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
 509         .destroy = radeon_lvds_enc_destroy,
 510 };
 511
 512 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
 513 {
 514         struct drm_device *dev = encoder->dev;
 515         struct radeon_device *rdev = dev->dev_private;
 516         uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 517         uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
 518         uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 519
 520         DRM_DEBUG_KMS("\n");
 521
 522         switch (mode) {
 523         case DRM_MODE_DPMS_ON:
 524                 crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
 525                 dac_cntl &= ~RADEON_DAC_PDWN;
 526                 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
 527                                     RADEON_DAC_PDWN_G |
 528                                     RADEON_DAC_PDWN_B);
 529                 break;
 530         case DRM_MODE_DPMS_STANDBY:
 531         case DRM_MODE_DPMS_SUSPEND:
 532         case DRM_MODE_DPMS_OFF:
 533                 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
 534                 dac_cntl |= RADEON_DAC_PDWN;
 535                 dac_macro_cntl |= (RADEON_DAC_PDWN_R |
 536                                    RADEON_DAC_PDWN_G |
 537                                    RADEON_DAC_PDWN_B);
 538                 break;
 539         }
 540
 541         /* handled in radeon_crtc_dpms() */
 542         if (!(rdev->flags & RADEON_SINGLE_CRTC))
 543                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 544         WREG32(RADEON_DAC_CNTL, dac_cntl);
 545         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 546
 547         if (rdev->is_atom_bios)
 548                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 549         else
 550                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 551
 552 }
 553
 554 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
 555 {
 556         struct radeon_device *rdev = encoder->dev->dev_private;
 557
 558         if (rdev->is_atom_bios)
 559                 radeon_atom_output_lock(encoder, true);
 560         else
 561                 radeon_combios_output_lock(encoder, true);
 562         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
 563 }
 564
 565 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
 566 {
 567         struct radeon_device *rdev = encoder->dev->dev_private;
 568
 569         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
 570
 571         if (rdev->is_atom_bios)
 572                 radeon_atom_output_lock(encoder, false);
 573         else
 574                 radeon_combios_output_lock(encoder, false);
 575 }
 576
 577 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
 578                                                struct drm_display_mode *mode,
 579                                                struct drm_display_mode *adjusted_mode)
 580 {
 581         struct drm_device *dev = encoder->dev;
 582         struct radeon_device *rdev = dev->dev_private;
 583         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 584         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 585         uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
 586
 587         DRM_DEBUG_KMS("\n");
 588
 589         if (radeon_crtc->crtc_id == 0) {
 590                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 591                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 592                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 593                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 594                 } else {
 595                         dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
 596                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 597                 }
 598         } else {
 599                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 600                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 601                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 602                         disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
 603                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 604                 } else {
 605                         dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
 606                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 607                 }
 608         }
 609
 610         dac_cntl = (RADEON_DAC_MASK_ALL |
 611                     RADEON_DAC_VGA_ADR_EN |
 612                     /* TODO 6-bits */
 613                     RADEON_DAC_8BIT_EN);
 614
 615         WREG32_P(RADEON_DAC_CNTL,
 616                        dac_cntl,
 617                        RADEON_DAC_RANGE_CNTL |
 618                        RADEON_DAC_BLANKING);
 619
 620         if (radeon_encoder->enc_priv) {
 621                 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
 622                 dac_macro_cntl = p_dac->ps2_pdac_adj;
 623         } else
 624                 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 625         dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
 626         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 627
 628         if (rdev->is_atom_bios)
 629                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 630         else
 631                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 632 }
 633
 634 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
 635                                                                   struct drm_connector *connector)
 636 {
 637         struct drm_device *dev = encoder->dev;
 638         struct radeon_device *rdev = dev->dev_private;
 639         uint32_t vclk_ecp_cntl, crtc_ext_cntl;
 640         uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
 641         enum drm_connector_status found = connector_status_disconnected;
 642         bool color = true;
 643
 644         /* just don't bother on RN50 those chip are often connected to remoting
 645          * console hw and often we get failure to load detect those. So to make
 646          * everyone happy report the encoder as always connected.
 647          */
 648         if (ASIC_IS_RN50(rdev)) {
 649                 return connector_status_connected;
 650         }
 651
 652         /* save the regs we need */
 653         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 654         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 655         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
 656         dac_cntl = RREG32(RADEON_DAC_CNTL);
 657         dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 658
 659         tmp = vclk_ecp_cntl &
 660                 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
 661         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 662
 663         tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
 664         WREG32(RADEON_CRTC_EXT_CNTL, tmp);
 665
 666         tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
 667                 RADEON_DAC_FORCE_DATA_EN;
 668
 669         if (color)
 670                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
 671         else
 672                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
 673
 674         if (ASIC_IS_R300(rdev))
 675                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
 676         else if (ASIC_IS_RV100(rdev))
 677                 tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
 678         else
 679                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 680
 681         WREG32(RADEON_DAC_EXT_CNTL, tmp);
 682
 683         tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
 684         tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
 685         WREG32(RADEON_DAC_CNTL, tmp);
 686
 687         tmp = dac_macro_cntl;
 688         tmp &= ~(RADEON_DAC_PDWN_R |
 689                  RADEON_DAC_PDWN_G |
 690                  RADEON_DAC_PDWN_B);
 691
 692         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
 693
 694         mdelay(2);
 695
 696         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
 697                 found = connector_status_connected;
 698
 699         /* restore the regs we used */
 700         WREG32(RADEON_DAC_CNTL, dac_cntl);
 701         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 702         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
 703         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 704         WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
 705
 706         return found;
 707 }
 708
 709 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
 710         .dpms = radeon_legacy_primary_dac_dpms,
 711         .mode_fixup = radeon_legacy_mode_fixup,
 712         .prepare = radeon_legacy_primary_dac_prepare,
 713         .mode_set = radeon_legacy_primary_dac_mode_set,
 714         .commit = radeon_legacy_primary_dac_commit,
 715         .detect = radeon_legacy_primary_dac_detect,
 716         .disable = radeon_legacy_encoder_disable,
 717 };
 718
 719
 720 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
 721         .destroy = radeon_enc_destroy,
 722 };
 723
 724 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
 725 {
 726         struct drm_device *dev = encoder->dev;
 727         struct radeon_device *rdev = dev->dev_private;
 728         uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
 729         DRM_DEBUG_KMS("\n");
 730
 731         switch (mode) {
 732         case DRM_MODE_DPMS_ON:
 733                 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 734                 break;
 735         case DRM_MODE_DPMS_STANDBY:
 736         case DRM_MODE_DPMS_SUSPEND:
 737         case DRM_MODE_DPMS_OFF:
 738                 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 739                 break;
 740         }
 741
 742         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 743
 744         if (rdev->is_atom_bios)
 745                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 746         else
 747                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 748
 749 }
 750
 751 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
 752 {
 753         struct radeon_device *rdev = encoder->dev->dev_private;
 754
 755         if (rdev->is_atom_bios)
 756                 radeon_atom_output_lock(encoder, true);
 757         else
 758                 radeon_combios_output_lock(encoder, true);
 759         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
 760 }
 761
 762 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
 763 {
 764         struct radeon_device *rdev = encoder->dev->dev_private;
 765
 766         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
 767
 768         if (rdev->is_atom_bios)
 769                 radeon_atom_output_lock(encoder, true);
 770         else
 771                 radeon_combios_output_lock(encoder, true);
 772 }
 773
 774 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
 775                                             struct drm_display_mode *mode,
 776                                             struct drm_display_mode *adjusted_mode)
 777 {
 778         struct drm_device *dev = encoder->dev;
 779         struct radeon_device *rdev = dev->dev_private;
 780         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 781         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 782         uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
 783         int i;
 784
 785         DRM_DEBUG_KMS("\n");
 786
 787         tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
 788         tmp &= 0xfffff;
 789         if (rdev->family == CHIP_RV280) {
 790                 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */
 791                 tmp ^= (1 << 22);
 792                 tmds_pll_cntl ^= (1 << 22);
 793         }
 794
 795         if (radeon_encoder->enc_priv) {
 796                 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
 797
 798                 for (i = 0; i < 4; i++) {
 799                         if (tmds->tmds_pll[i].freq == 0)
 800                                 break;
 801                         if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
 802                                 tmp = tmds->tmds_pll[i].value ;
 803                                 break;
 804                         }
 805                 }
 806         }
 807
 808         if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
 809                 if (tmp & 0xfff00000)
 810                         tmds_pll_cntl = tmp;
 811                 else {
 812                         tmds_pll_cntl &= 0xfff00000;
 813                         tmds_pll_cntl |= tmp;
 814                 }
 815         } else
 816                 tmds_pll_cntl = tmp;
 817
 818         tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
 819                 ~(RADEON_TMDS_TRANSMITTER_PLLRST);
 820
 821     if (rdev->family == CHIP_R200 ||
 822         rdev->family == CHIP_R100 ||
 823         ASIC_IS_R300(rdev))
 824             tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
 825     else /* RV chips got this bit reversed */
 826             tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
 827
 828     fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
 829                    (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
 830                     RADEON_FP_CRTC_DONT_SHADOW_HEND));
 831
 832     fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 833
 834     fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
 835                      RADEON_FP_DFP_SYNC_SEL |
 836                      RADEON_FP_CRT_SYNC_SEL |
 837                      RADEON_FP_CRTC_LOCK_8DOT |
 838                      RADEON_FP_USE_SHADOW_EN |
 839                      RADEON_FP_CRTC_USE_SHADOW_VEND |
 840                      RADEON_FP_CRT_SYNC_ALT);
 841
 842     if (1) /*  FIXME rgbBits == 8 */
 843             fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
 844     else
 845             fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
 846
 847     if (radeon_crtc->crtc_id == 0) {
 848             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 849                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 850                     if (radeon_encoder->rmx_type != RMX_OFF)
 851                             fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
 852                     else
 853                             fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
 854             } else
 855                     fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
 856     } else {
 857             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 858                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 859                     fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
 860             } else
 861                     fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
 862     }
 863
 864     WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
 865     WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
 866     WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 867
 868         if (rdev->is_atom_bios)
 869                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 870         else
 871                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 872 }
 873
 874 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
 875         .dpms = radeon_legacy_tmds_int_dpms,
 876         .mode_fixup = radeon_legacy_mode_fixup,
 877         .prepare = radeon_legacy_tmds_int_prepare,
 878         .mode_set = radeon_legacy_tmds_int_mode_set,
 879         .commit = radeon_legacy_tmds_int_commit,
 880         .disable = radeon_legacy_encoder_disable,
 881 };
 882
 883
 884 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
 885         .destroy = radeon_enc_destroy,
 886 };
 887
 888 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
 889 {
 890         struct drm_device *dev = encoder->dev;
 891         struct radeon_device *rdev = dev->dev_private;
 892         uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 893         DRM_DEBUG_KMS("\n");
 894
 895         switch (mode) {
 896         case DRM_MODE_DPMS_ON:
 897                 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
 898                 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 899                 break;
 900         case DRM_MODE_DPMS_STANDBY:
 901         case DRM_MODE_DPMS_SUSPEND:
 902         case DRM_MODE_DPMS_OFF:
 903                 fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
 904                 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 905                 break;
 906         }
 907
 908         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
 909
 910         if (rdev->is_atom_bios)
 911                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 912         else
 913                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 914
 915 }
 916
 917 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
 918 {
 919         struct radeon_device *rdev = encoder->dev->dev_private;
 920
 921         if (rdev->is_atom_bios)
 922                 radeon_atom_output_lock(encoder, true);
 923         else
 924                 radeon_combios_output_lock(encoder, true);
 925         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
 926 }
 927
 928 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
 929 {
 930         struct radeon_device *rdev = encoder->dev->dev_private;
 931         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
 932
 933         if (rdev->is_atom_bios)
 934                 radeon_atom_output_lock(encoder, false);
 935         else
 936                 radeon_combios_output_lock(encoder, false);
 937 }
 938
 939 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
 940                                             struct drm_display_mode *mode,
 941                                             struct drm_display_mode *adjusted_mode)
 942 {
 943         struct drm_device *dev = encoder->dev;
 944         struct radeon_device *rdev = dev->dev_private;
 945         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 946         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 947         uint32_t fp2_gen_cntl;
 948
 949         DRM_DEBUG_KMS("\n");
 950
 951         if (rdev->is_atom_bios) {
 952                 radeon_encoder->pixel_clock = adjusted_mode->clock;
 953                 atombios_dvo_setup(encoder, ATOM_ENABLE);
 954                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 955         } else {
 956                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 957
 958                 if (1) /*  FIXME rgbBits == 8 */
 959                         fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
 960                 else
 961                         fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
 962
 963                 fp2_gen_cntl &= ~(RADEON_FP2_ON |
 964                                   RADEON_FP2_DVO_EN |
 965                                   RADEON_FP2_DVO_RATE_SEL_SDR);
 966
 967                 /* XXX: these are oem specific */
 968                 if (ASIC_IS_R300(rdev)) {
 969                         if ((dev->pdev->device == 0x4850) &&
 970                             (dev->pdev->subsystem_vendor == 0x1028) &&
 971                             (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
 972                                 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
 973                         else
 974                                 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
 975
 976                         /*if (mode->clock > 165000)
 977                           fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
 978                 }
 979                 if (!radeon_combios_external_tmds_setup(encoder))
 980                         radeon_external_tmds_setup(encoder);
 981         }
 982
 983         if (radeon_crtc->crtc_id == 0) {
 984                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 985                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 986                         if (radeon_encoder->rmx_type != RMX_OFF)
 987                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
 988                         else
 989                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
 990                 } else
 991                         fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
 992         } else {
 993                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 994                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 995                         fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
 996                 } else
 997                         fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
 998         }
 999
1000         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1001
1002         if (rdev->is_atom_bios)
1003                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1004         else
1005                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1006 }
1007
1008 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
1009 {
1010         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1011         /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
1012         kfree(radeon_encoder->enc_priv);
1013         drm_encoder_cleanup(encoder);
1014         kfree(radeon_encoder);
1015 }
1016
1017 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
1018         .dpms = radeon_legacy_tmds_ext_dpms,
1019         .mode_fixup = radeon_legacy_mode_fixup,
1020         .prepare = radeon_legacy_tmds_ext_prepare,
1021         .mode_set = radeon_legacy_tmds_ext_mode_set,
1022         .commit = radeon_legacy_tmds_ext_commit,
1023         .disable = radeon_legacy_encoder_disable,
1024 };
1025
1026
1027 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1028         .destroy = radeon_ext_tmds_enc_destroy,
1029 };
1030
1031 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1032 {
1033         struct drm_device *dev = encoder->dev;
1034         struct radeon_device *rdev = dev->dev_private;
1035         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1036         uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1037         uint32_t tv_master_cntl = 0;
1038         bool is_tv;
1039         DRM_DEBUG_KMS("\n");
1040
1041         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1042
1043         if (rdev->family == CHIP_R200)
1044                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1045         else {
1046                 if (is_tv)
1047                         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1048                 else
1049                         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1050                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1051         }
1052
1053         switch (mode) {
1054         case DRM_MODE_DPMS_ON:
1055                 if (rdev->family == CHIP_R200) {
1056                         fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1057                 } else {
1058                         if (is_tv)
1059                                 tv_master_cntl |= RADEON_TV_ON;
1060                         else
1061                                 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1062
1063                         if (rdev->family == CHIP_R420 ||
1064                             rdev->family == CHIP_R423 ||
1065                             rdev->family == CHIP_RV410)
1066                                 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1067                                                  R420_TV_DAC_GDACPD |
1068                                                  R420_TV_DAC_BDACPD |
1069                                                  RADEON_TV_DAC_BGSLEEP);
1070                         else
1071                                 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1072                                                  RADEON_TV_DAC_GDACPD |
1073                                                  RADEON_TV_DAC_BDACPD |
1074                                                  RADEON_TV_DAC_BGSLEEP);
1075                 }
1076                 break;
1077         case DRM_MODE_DPMS_STANDBY:
1078         case DRM_MODE_DPMS_SUSPEND:
1079         case DRM_MODE_DPMS_OFF:
1080                 if (rdev->family == CHIP_R200)
1081                         fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1082                 else {
1083                         if (is_tv)
1084                                 tv_master_cntl &= ~RADEON_TV_ON;
1085                         else
1086                                 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1087
1088                         if (rdev->family == CHIP_R420 ||
1089                             rdev->family == CHIP_R423 ||
1090                             rdev->family == CHIP_RV410)
1091                                 tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1092                                                 R420_TV_DAC_GDACPD |
1093                                                 R420_TV_DAC_BDACPD |
1094                                                 RADEON_TV_DAC_BGSLEEP);
1095                         else
1096                                 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1097                                                 RADEON_TV_DAC_GDACPD |
1098                                                 RADEON_TV_DAC_BDACPD |
1099                                                 RADEON_TV_DAC_BGSLEEP);
1100                 }
1101                 break;
1102         }
1103
1104         if (rdev->family == CHIP_R200) {
1105                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1106         } else {
1107                 if (is_tv)
1108                         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1109                 /* handled in radeon_crtc_dpms() */
1110                 else if (!(rdev->flags & RADEON_SINGLE_CRTC))
1111                         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1112                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1113         }
1114
1115         if (rdev->is_atom_bios)
1116                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1117         else
1118                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1119
1120 }
1121
1122 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1123 {
1124         struct radeon_device *rdev = encoder->dev->dev_private;
1125
1126         if (rdev->is_atom_bios)
1127                 radeon_atom_output_lock(encoder, true);
1128         else
1129                 radeon_combios_output_lock(encoder, true);
1130         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1131 }
1132
1133 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1134 {
1135         struct radeon_device *rdev = encoder->dev->dev_private;
1136
1137         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1138
1139         if (rdev->is_atom_bios)
1140                 radeon_atom_output_lock(encoder, true);
1141         else
1142                 radeon_combios_output_lock(encoder, true);
1143 }
1144
1145 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1146                 struct drm_display_mode *mode,
1147                 struct drm_display_mode *adjusted_mode)
1148 {
1149         struct drm_device *dev = encoder->dev;
1150         struct radeon_device *rdev = dev->dev_private;
1151         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1152         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1153         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1154         uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1155         uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1156         bool is_tv = false;
1157
1158         DRM_DEBUG_KMS("\n");
1159
1160         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1161
1162         if (rdev->family != CHIP_R200) {
1163                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1164                 if (rdev->family == CHIP_R420 ||
1165                     rdev->family == CHIP_R423 ||
1166                     rdev->family == CHIP_RV410) {
1167                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1168                                          RADEON_TV_DAC_BGADJ_MASK |
1169                                          R420_TV_DAC_DACADJ_MASK |
1170                                          R420_TV_DAC_RDACPD |
1171                                          R420_TV_DAC_GDACPD |
1172                                          R420_TV_DAC_BDACPD |
1173                                          R420_TV_DAC_TVENABLE);
1174                 } else {
1175                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1176                                          RADEON_TV_DAC_BGADJ_MASK |
1177                                          RADEON_TV_DAC_DACADJ_MASK |
1178                                          RADEON_TV_DAC_RDACPD |
1179                                          RADEON_TV_DAC_GDACPD |
1180                                          RADEON_TV_DAC_BDACPD);
1181                 }
1182
1183                 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1184
1185                 if (is_tv) {
1186                         if (tv_dac->tv_std == TV_STD_NTSC ||
1187                             tv_dac->tv_std == TV_STD_NTSC_J ||
1188                             tv_dac->tv_std == TV_STD_PAL_M ||
1189                             tv_dac->tv_std == TV_STD_PAL_60)
1190                                 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1191                         else
1192                                 tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1193
1194                         if (tv_dac->tv_std == TV_STD_NTSC ||
1195                             tv_dac->tv_std == TV_STD_NTSC_J)
1196                                 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1197                         else
1198                                 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1199                 } else
1200                         tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1201                                         tv_dac->ps2_tvdac_adj);
1202
1203                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1204         }
1205
1206         if (ASIC_IS_R300(rdev)) {
1207                 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1208                 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1209         } else if (rdev->family != CHIP_R200)
1210                 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1211         else if (rdev->family == CHIP_R200)
1212                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1213
1214         if (rdev->family >= CHIP_R200)
1215                 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1216
1217         if (is_tv) {
1218                 uint32_t dac_cntl;
1219
1220                 dac_cntl = RREG32(RADEON_DAC_CNTL);
1221                 dac_cntl &= ~RADEON_DAC_TVO_EN;
1222                 WREG32(RADEON_DAC_CNTL, dac_cntl);
1223
1224                 if (ASIC_IS_R300(rdev))
1225                         gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1226
1227                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1228                 if (radeon_crtc->crtc_id == 0) {
1229                         if (ASIC_IS_R300(rdev)) {
1230                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1231                                 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1232                                                      RADEON_DISP_TV_SOURCE_CRTC);
1233                         }
1234                         if (rdev->family >= CHIP_R200) {
1235                                 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1236                         } else {
1237                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1238                         }
1239                 } else {
1240                         if (ASIC_IS_R300(rdev)) {
1241                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1242                                 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1243                         }
1244                         if (rdev->family >= CHIP_R200) {
1245                                 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1246                         } else {
1247                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1248                         }
1249                 }
1250                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1251         } else {
1252
1253                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1254
1255                 if (radeon_crtc->crtc_id == 0) {
1256                         if (ASIC_IS_R300(rdev)) {
1257                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1258                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1259                         } else if (rdev->family == CHIP_R200) {
1260                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1261                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1262                         } else
1263                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1264                 } else {
1265                         if (ASIC_IS_R300(rdev)) {
1266                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1267                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1268                         } else if (rdev->family == CHIP_R200) {
1269                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1270                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1271                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1272                         } else
1273                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1274                 }
1275                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1276         }
1277
1278         if (ASIC_IS_R300(rdev)) {
1279                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1280                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1281         } else if (rdev->family != CHIP_R200)
1282                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1283         else if (rdev->family == CHIP_R200)
1284                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1285
1286         if (rdev->family >= CHIP_R200)
1287                 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1288
1289         if (is_tv)
1290                 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1291
1292         if (rdev->is_atom_bios)
1293                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1294         else
1295                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1296
1297 }
1298
1299 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1300                                   struct drm_connector *connector)
1301 {
1302         struct drm_device *dev = encoder->dev;
1303         struct radeon_device *rdev = dev->dev_private;
1304         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1305         uint32_t disp_output_cntl, gpiopad_a, tmp;
1306         bool found = false;
1307
1308         /* save regs needed */
1309         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1310         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1311         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1312         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1313         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1314         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1315
1316         WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1317
1318         WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1319
1320         WREG32(RADEON_CRTC2_GEN_CNTL,
1321                RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1322
1323         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1324         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1325         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1326
1327         WREG32(RADEON_DAC_EXT_CNTL,
1328                RADEON_DAC2_FORCE_BLANK_OFF_EN |
1329                RADEON_DAC2_FORCE_DATA_EN |
1330                RADEON_DAC_FORCE_DATA_SEL_RGB |
1331                (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1332
1333         WREG32(RADEON_TV_DAC_CNTL,
1334                RADEON_TV_DAC_STD_NTSC |
1335                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1336                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1337
1338         RREG32(RADEON_TV_DAC_CNTL);
1339         mdelay(4);
1340
1341         WREG32(RADEON_TV_DAC_CNTL,
1342                RADEON_TV_DAC_NBLANK |
1343                RADEON_TV_DAC_NHOLD |
1344                RADEON_TV_MONITOR_DETECT_EN |
1345                RADEON_TV_DAC_STD_NTSC |
1346                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1347                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1348
1349         RREG32(RADEON_TV_DAC_CNTL);
1350         mdelay(6);
1351
1352         tmp = RREG32(RADEON_TV_DAC_CNTL);
1353         if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1354                 found = true;
1355                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1356         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1357                 found = true;
1358                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1359         }
1360
1361         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1362         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1363         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1364         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1365         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1366         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1367         return found;
1368 }
1369
1370 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1371                                     struct drm_connector *connector)
1372 {
1373         struct drm_device *dev = encoder->dev;
1374         struct radeon_device *rdev = dev->dev_private;
1375         uint32_t tv_dac_cntl, dac_cntl2;
1376         uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1377         bool found = false;
1378
1379         if (ASIC_IS_R300(rdev))
1380                 return r300_legacy_tv_detect(encoder, connector);
1381
1382         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1383         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1384         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1385         config_cntl = RREG32(RADEON_CONFIG_CNTL);
1386         tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1387
1388         tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1389         WREG32(RADEON_DAC_CNTL2, tmp);
1390
1391         tmp = tv_master_cntl | RADEON_TV_ON;
1392         tmp &= ~(RADEON_TV_ASYNC_RST |
1393                  RADEON_RESTART_PHASE_FIX |
1394                  RADEON_CRT_FIFO_CE_EN |
1395                  RADEON_TV_FIFO_CE_EN |
1396                  RADEON_RE_SYNC_NOW_SEL_MASK);
1397         tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1398         WREG32(RADEON_TV_MASTER_CNTL, tmp);
1399
1400         tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1401                 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1402                 (8 << RADEON_TV_DAC_BGADJ_SHIFT);
1403
1404         if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1405                 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1406         else
1407                 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1408         WREG32(RADEON_TV_DAC_CNTL, tmp);
1409
1410         tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1411                 RADEON_RED_MX_FORCE_DAC_DATA |
1412                 RADEON_GRN_MX_FORCE_DAC_DATA |
1413                 RADEON_BLU_MX_FORCE_DAC_DATA |
1414                 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1415         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1416
1417         mdelay(3);
1418         tmp = RREG32(RADEON_TV_DAC_CNTL);
1419         if (tmp & RADEON_TV_DAC_GDACDET) {
1420                 found = true;
1421                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1422         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1423                 found = true;
1424                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1425         }
1426
1427         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1428         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1429         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1430         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1431         return found;
1432 }
1433
1434 static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
1435                                          struct drm_connector *connector)
1436 {
1437         struct drm_device *dev = encoder->dev;
1438         struct radeon_device *rdev = dev->dev_private;
1439         uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
1440         uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
1441         uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
1442         uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
1443         uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
1444         bool found = false;
1445         int i;
1446
1447         /* save the regs we need */
1448         gpio_monid = RREG32(RADEON_GPIO_MONID);
1449         fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1450         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1451         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1452         disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
1453         disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
1454         disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
1455         disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
1456         disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
1457         disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
1458         crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
1459         crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
1460         crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
1461         crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
1462
1463         tmp = RREG32(RADEON_GPIO_MONID);
1464         tmp &= ~RADEON_GPIO_A_0;
1465         WREG32(RADEON_GPIO_MONID, tmp);
1466
1467         WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
1468                                      RADEON_FP2_PANEL_FORMAT |
1469                                      R200_FP2_SOURCE_SEL_TRANS_UNIT |
1470                                      RADEON_FP2_DVO_EN |
1471                                      R200_FP2_DVO_RATE_SEL_SDR));
1472
1473         WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
1474                                          RADEON_DISP_TRANS_MATRIX_GRAPHICS));
1475
1476         WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
1477                                        RADEON_CRTC2_DISP_REQ_EN_B));
1478
1479         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
1480         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
1481         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
1482         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
1483         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
1484         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
1485
1486         WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
1487         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
1488         WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
1489         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
1490
1491         for (i = 0; i < 200; i++) {
1492                 tmp = RREG32(RADEON_GPIO_MONID);
1493                 if (tmp & RADEON_GPIO_Y_0)
1494                         found = true;
1495
1496                 if (found)
1497                         break;
1498
1499                 if (!drm_can_sleep())
1500                         mdelay(1);
1501                 else
1502                         msleep(1);
1503         }
1504
1505         /* restore the regs we used */
1506         WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
1507         WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
1508         WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
1509         WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
1510         WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
1511         WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
1512         WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
1513         WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
1514         WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
1515         WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
1516         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1517         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1518         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1519         WREG32(RADEON_GPIO_MONID, gpio_monid);
1520
1521         return found;
1522 }
1523
1524 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1525                                                              struct drm_connector *connector)
1526 {
1527         struct drm_device *dev = encoder->dev;
1528         struct radeon_device *rdev = dev->dev_private;
1529         uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1530         uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
1531         uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
1532         enum drm_connector_status found = connector_status_disconnected;
1533         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1534         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1535         bool color = true;
1536         struct drm_crtc *crtc;
1537
1538         /* find out if crtc2 is in use or if this encoder is using it */
1539         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1540                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1541                 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1542                         if (encoder->crtc != crtc) {
1543                                 return connector_status_disconnected;
1544                         }
1545                 }
1546         }
1547
1548         if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1549             connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1550             connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1551                 bool tv_detect;
1552
1553                 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1554                         return connector_status_disconnected;
1555
1556                 tv_detect = radeon_legacy_tv_detect(encoder, connector);
1557                 if (tv_detect && tv_dac)
1558                         found = connector_status_connected;
1559                 return found;
1560         }
1561
1562         /* don't probe if the encoder is being used for something else not CRT related */
1563         if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1564                 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1565                 return connector_status_disconnected;
1566         }
1567
1568         /* R200 uses an external DAC for secondary DAC */
1569         if (rdev->family == CHIP_R200) {
1570                 if (radeon_legacy_ext_dac_detect(encoder, connector))
1571                         found = connector_status_connected;
1572                 return found;
1573         }
1574
1575         /* save the regs we need */
1576         pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1577
1578         if (rdev->flags & RADEON_SINGLE_CRTC) {
1579                 crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
1580         } else {
1581                 if (ASIC_IS_R300(rdev)) {
1582                         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1583                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1584                 } else {
1585                         disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1586                 }
1587                 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1588         }
1589         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1590         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1591         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1592
1593         tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1594                                | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1595         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1596
1597         if (rdev->flags & RADEON_SINGLE_CRTC) {
1598                 tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
1599                 WREG32(RADEON_CRTC_EXT_CNTL, tmp);
1600         } else {
1601                 tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1602                 tmp |= RADEON_CRTC2_CRT2_ON |
1603                         (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1604                 WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1605
1606                 if (ASIC_IS_R300(rdev)) {
1607                         WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1608                         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1609                         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1610                         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1611                 } else {
1612                         tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1613                         WREG32(RADEON_DISP_HW_DEBUG, tmp);
1614                 }
1615         }
1616
1617         tmp = RADEON_TV_DAC_NBLANK |
1618                 RADEON_TV_DAC_NHOLD |
1619                 RADEON_TV_MONITOR_DETECT_EN |
1620                 RADEON_TV_DAC_STD_PS2;
1621
1622         WREG32(RADEON_TV_DAC_CNTL, tmp);
1623
1624         tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1625                 RADEON_DAC2_FORCE_DATA_EN;
1626
1627         if (color)
1628                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1629         else
1630                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1631
1632         if (ASIC_IS_R300(rdev))
1633                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1634         else
1635                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1636
1637         WREG32(RADEON_DAC_EXT_CNTL, tmp);
1638
1639         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1640         WREG32(RADEON_DAC_CNTL2, tmp);
1641
1642         mdelay(10);
1643
1644         if (ASIC_IS_R300(rdev)) {
1645                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1646                         found = connector_status_connected;
1647         } else {
1648                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1649                         found = connector_status_connected;
1650         }
1651
1652         /* restore regs we used */
1653         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1654         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1655         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1656
1657         if (rdev->flags & RADEON_SINGLE_CRTC) {
1658                 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
1659         } else {
1660                 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1661                 if (ASIC_IS_R300(rdev)) {
1662                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1663                         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1664                 } else {
1665                         WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1666                 }
1667         }
1668
1669         WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1670
1671         return found;
1672
1673 }
1674
1675 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1676         .dpms = radeon_legacy_tv_dac_dpms,
1677         .mode_fixup = radeon_legacy_mode_fixup,
1678         .prepare = radeon_legacy_tv_dac_prepare,
1679         .mode_set = radeon_legacy_tv_dac_mode_set,
1680         .commit = radeon_legacy_tv_dac_commit,
1681         .detect = radeon_legacy_tv_dac_detect,
1682         .disable = radeon_legacy_encoder_disable,
1683 };
1684
1685
1686 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1687         .destroy = radeon_enc_destroy,
1688 };
1689
1690
1691 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1692 {
1693         struct drm_device *dev = encoder->base.dev;
1694         struct radeon_device *rdev = dev->dev_private;
1695         struct radeon_encoder_int_tmds *tmds = NULL;
1696         bool ret;
1697
1698         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1699
1700         if (!tmds)
1701                 return NULL;
1702
1703         if (rdev->is_atom_bios)
1704                 ret = radeon_atombios_get_tmds_info(encoder, tmds);
1705         else
1706                 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1707
1708         if (ret == false)
1709                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1710
1711         return tmds;
1712 }
1713
1714 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1715 {
1716         struct drm_device *dev = encoder->base.dev;
1717         struct radeon_device *rdev = dev->dev_private;
1718         struct radeon_encoder_ext_tmds *tmds = NULL;
1719         bool ret;
1720
1721         if (rdev->is_atom_bios)
1722                 return NULL;
1723
1724         tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1725
1726         if (!tmds)
1727                 return NULL;
1728
1729         ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1730
1731         if (ret == false)
1732                 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1733
1734         return tmds;
1735 }
1736
1737 void
1738 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1739 {
1740         struct radeon_device *rdev = dev->dev_private;
1741         struct drm_encoder *encoder;
1742         struct radeon_encoder *radeon_encoder;
1743
1744         /* see if we already added it */
1745         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1746                 radeon_encoder = to_radeon_encoder(encoder);
1747                 if (radeon_encoder->encoder_enum == encoder_enum) {
1748                         radeon_encoder->devices |= supported_device;
1749                         return;
1750                 }
1751
1752         }
1753
1754         /* add a new one */
1755         radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1756         if (!radeon_encoder)
1757                 return;
1758
1759         encoder = &radeon_encoder->base;
1760         if (rdev->flags & RADEON_SINGLE_CRTC)
1761                 encoder->possible_crtcs = 0x1;
1762         else
1763                 encoder->possible_crtcs = 0x3;
1764
1765         radeon_encoder->enc_priv = NULL;
1766
1767         radeon_encoder->encoder_enum = encoder_enum;
1768         radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1769         radeon_encoder->devices = supported_device;
1770         radeon_encoder->rmx_type = RMX_OFF;
1771
1772         switch (radeon_encoder->encoder_id) {
1773         case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1774                 encoder->possible_crtcs = 0x1;
1775                 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS);
1776                 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1777                 if (rdev->is_atom_bios)
1778                         radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1779                 else
1780                         radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1781                 radeon_encoder->rmx_type = RMX_FULL;
1782                 break;
1783         case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1784                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs, DRM_MODE_ENCODER_TMDS);
1785                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1786                 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1787                 break;
1788         case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1789                 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs, DRM_MODE_ENCODER_DAC);
1790                 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1791                 if (rdev->is_atom_bios)
1792                         radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1793                 else
1794                         radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1795                 break;
1796         case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1797                 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs, DRM_MODE_ENCODER_TVDAC);
1798                 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1799                 if (rdev->is_atom_bios)
1800                         radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1801                 else
1802                         radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1803                 break;
1804         case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1805                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs, DRM_MODE_ENCODER_TMDS);
1806                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1807                 if (!rdev->is_atom_bios)
1808                         radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1809                 break;
1810         }
1811 }