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 "drmP.h"
  27 #include "drm_crtc_helper.h"
  28 #include "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         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 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 273
 274 #define MAX_RADEON_LEVEL 0xFF
 275
 276 struct radeon_backlight_privdata {
 277         struct radeon_encoder *encoder;
 278         uint8_t negative;
 279 };
 280
 281 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
 282 {
 283         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 284         uint8_t level;
 285
 286         /* Convert brightness to hardware level */
 287         if (bd->props.brightness < 0)
 288                 level = 0;
 289         else if (bd->props.brightness > MAX_RADEON_LEVEL)
 290                 level = MAX_RADEON_LEVEL;
 291         else
 292                 level = bd->props.brightness;
 293
 294         if (pdata->negative)
 295                 level = MAX_RADEON_LEVEL - level;
 296
 297         return level;
 298 }
 299
 300 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
 301 {
 302         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 303         struct radeon_encoder *radeon_encoder = pdata->encoder;
 304         struct drm_device *dev = radeon_encoder->base.dev;
 305         struct radeon_device *rdev = dev->dev_private;
 306         int dpms_mode = DRM_MODE_DPMS_ON;
 307
 308         if (radeon_encoder->enc_priv) {
 309                 if (rdev->is_atom_bios) {
 310                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 311                         dpms_mode = lvds->dpms_mode;
 312                         lvds->backlight_level = radeon_legacy_lvds_level(bd);
 313                 } else {
 314                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 315                         dpms_mode = lvds->dpms_mode;
 316                         lvds->backlight_level = radeon_legacy_lvds_level(bd);
 317                 }
 318         }
 319
 320         if (bd->props.brightness > 0)
 321                 radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
 322         else
 323                 radeon_legacy_lvds_update(&radeon_encoder->base, DRM_MODE_DPMS_OFF);
 324
 325         return 0;
 326 }
 327
 328 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd)
 329 {
 330         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
 331         struct radeon_encoder *radeon_encoder = pdata->encoder;
 332         struct drm_device *dev = radeon_encoder->base.dev;
 333         struct radeon_device *rdev = dev->dev_private;
 334         uint8_t backlight_level;
 335
 336         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
 337                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
 338
 339         return pdata->negative ? MAX_RADEON_LEVEL - backlight_level : backlight_level;
 340 }
 341
 342 static const struct backlight_ops radeon_backlight_ops = {
 343         .get_brightness = radeon_legacy_backlight_get_brightness,
 344         .update_status  = radeon_legacy_backlight_update_status,
 345 };
 346
 347 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 348                                   struct drm_connector *drm_connector)
 349 {
 350         struct drm_device *dev = radeon_encoder->base.dev;
 351         struct radeon_device *rdev = dev->dev_private;
 352         struct backlight_device *bd;
 353         struct backlight_properties props;
 354         struct radeon_backlight_privdata *pdata;
 355         uint8_t backlight_level;
 356
 357         if (!radeon_encoder->enc_priv)
 358                 return;
 359
 360 #ifdef CONFIG_PMAC_BACKLIGHT
 361         if (!pmac_has_backlight_type("ati") &&
 362             !pmac_has_backlight_type("mnca"))
 363                 return;
 364 #endif
 365
 366         pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL);
 367         if (!pdata) {
 368                 DRM_ERROR("Memory allocation failed\n");
 369                 goto error;
 370         }
 371
 372         memset(&props, 0, sizeof(props));
 373         props.max_brightness = MAX_RADEON_LEVEL;
 374         props.type = BACKLIGHT_RAW;
 375         bd = backlight_device_register("radeon_bl", &drm_connector->kdev,
 376                                        pdata, &radeon_backlight_ops, &props);
 377         if (IS_ERR(bd)) {
 378                 DRM_ERROR("Backlight registration failed\n");
 379                 goto error;
 380         }
 381
 382         pdata->encoder = radeon_encoder;
 383
 384         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
 385                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
 386
 387         /* First, try to detect backlight level sense based on the assumption
 388          * that firmware set it up at full brightness
 389          */
 390         if (backlight_level == 0)
 391                 pdata->negative = true;
 392         else if (backlight_level == 0xff)
 393                 pdata->negative = false;
 394         else {
 395                 /* XXX hack... maybe some day we can figure out in what direction
 396                  * backlight should work on a given panel?
 397                  */
 398                 pdata->negative = (rdev->family != CHIP_RV200 &&
 399                                    rdev->family != CHIP_RV250 &&
 400                                    rdev->family != CHIP_RV280 &&
 401                                    rdev->family != CHIP_RV350);
 402
 403 #ifdef CONFIG_PMAC_BACKLIGHT
 404                 pdata->negative = (pdata->negative ||
 405                                    of_machine_is_compatible("PowerBook4,3") ||
 406                                    of_machine_is_compatible("PowerBook6,3") ||
 407                                    of_machine_is_compatible("PowerBook6,5"));
 408 #endif
 409         }
 410
 411         if (rdev->is_atom_bios) {
 412                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 413                 lvds->bl_dev = bd;
 414         } else {
 415                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 416                 lvds->bl_dev = bd;
 417         }
 418
 419         bd->props.brightness = radeon_legacy_backlight_get_brightness(bd);
 420         bd->props.power = FB_BLANK_UNBLANK;
 421         backlight_update_status(bd);
 422
 423         DRM_INFO("radeon legacy LVDS backlight initialized\n");
 424
 425         return;
 426
 427 error:
 428         kfree(pdata);
 429         return;
 430 }
 431
 432 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
 433 {
 434         struct drm_device *dev = radeon_encoder->base.dev;
 435         struct radeon_device *rdev = dev->dev_private;
 436         struct backlight_device *bd = NULL;
 437
 438         if (!radeon_encoder->enc_priv)
 439                 return;
 440
 441         if (rdev->is_atom_bios) {
 442                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
 443                 bd = lvds->bl_dev;
 444                 lvds->bl_dev = NULL;
 445         } else {
 446                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
 447                 bd = lvds->bl_dev;
 448                 lvds->bl_dev = NULL;
 449         }
 450
 451         if (bd) {
 452                 struct radeon_legacy_backlight_privdata *pdata;
 453
 454                 pdata = bl_get_data(bd);
 455                 backlight_device_unregister(bd);
 456                 kfree(pdata);
 457
 458                 DRM_INFO("radeon legacy LVDS backlight unloaded\n");
 459         }
 460 }
 461
 462 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
 463
 464 void radeon_legacy_backlight_init(struct radeon_encoder *encoder)
 465 {
 466 }
 467
 468 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
 469 {
 470 }
 471
 472 #endif
 473
 474
 475 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
 476 {
 477         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 478
 479         if (radeon_encoder->enc_priv) {
 480                 radeon_legacy_backlight_exit(radeon_encoder);
 481                 kfree(radeon_encoder->enc_priv);
 482         }
 483         drm_encoder_cleanup(encoder);
 484         kfree(radeon_encoder);
 485 }
 486
 487 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
 488         .destroy = radeon_lvds_enc_destroy,
 489 };
 490
 491 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
 492 {
 493         struct drm_device *dev = encoder->dev;
 494         struct radeon_device *rdev = dev->dev_private;
 495         uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 496         uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
 497         uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 498
 499         DRM_DEBUG_KMS("\n");
 500
 501         switch (mode) {
 502         case DRM_MODE_DPMS_ON:
 503                 crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
 504                 dac_cntl &= ~RADEON_DAC_PDWN;
 505                 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
 506                                     RADEON_DAC_PDWN_G |
 507                                     RADEON_DAC_PDWN_B);
 508                 break;
 509         case DRM_MODE_DPMS_STANDBY:
 510         case DRM_MODE_DPMS_SUSPEND:
 511         case DRM_MODE_DPMS_OFF:
 512                 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
 513                 dac_cntl |= RADEON_DAC_PDWN;
 514                 dac_macro_cntl |= (RADEON_DAC_PDWN_R |
 515                                    RADEON_DAC_PDWN_G |
 516                                    RADEON_DAC_PDWN_B);
 517                 break;
 518         }
 519
 520         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 521         WREG32(RADEON_DAC_CNTL, dac_cntl);
 522         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 523
 524         if (rdev->is_atom_bios)
 525                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 526         else
 527                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 528
 529 }
 530
 531 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
 532 {
 533         struct radeon_device *rdev = encoder->dev->dev_private;
 534
 535         if (rdev->is_atom_bios)
 536                 radeon_atom_output_lock(encoder, true);
 537         else
 538                 radeon_combios_output_lock(encoder, true);
 539         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
 540 }
 541
 542 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
 543 {
 544         struct radeon_device *rdev = encoder->dev->dev_private;
 545
 546         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
 547
 548         if (rdev->is_atom_bios)
 549                 radeon_atom_output_lock(encoder, false);
 550         else
 551                 radeon_combios_output_lock(encoder, false);
 552 }
 553
 554 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
 555                                                struct drm_display_mode *mode,
 556                                                struct drm_display_mode *adjusted_mode)
 557 {
 558         struct drm_device *dev = encoder->dev;
 559         struct radeon_device *rdev = dev->dev_private;
 560         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 561         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 562         uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
 563
 564         DRM_DEBUG_KMS("\n");
 565
 566         if (radeon_crtc->crtc_id == 0) {
 567                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 568                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 569                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 570                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 571                 } else {
 572                         dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
 573                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 574                 }
 575         } else {
 576                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
 577                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
 578                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
 579                         disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
 580                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
 581                 } else {
 582                         dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
 583                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
 584                 }
 585         }
 586
 587         dac_cntl = (RADEON_DAC_MASK_ALL |
 588                     RADEON_DAC_VGA_ADR_EN |
 589                     /* TODO 6-bits */
 590                     RADEON_DAC_8BIT_EN);
 591
 592         WREG32_P(RADEON_DAC_CNTL,
 593                        dac_cntl,
 594                        RADEON_DAC_RANGE_CNTL |
 595                        RADEON_DAC_BLANKING);
 596
 597         if (radeon_encoder->enc_priv) {
 598                 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
 599                 dac_macro_cntl = p_dac->ps2_pdac_adj;
 600         } else
 601                 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 602         dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
 603         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 604
 605         if (rdev->is_atom_bios)
 606                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 607         else
 608                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 609 }
 610
 611 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
 612                                                                   struct drm_connector *connector)
 613 {
 614         struct drm_device *dev = encoder->dev;
 615         struct radeon_device *rdev = dev->dev_private;
 616         uint32_t vclk_ecp_cntl, crtc_ext_cntl;
 617         uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
 618         enum drm_connector_status found = connector_status_disconnected;
 619         bool color = true;
 620
 621         /* save the regs we need */
 622         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 623         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 624         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
 625         dac_cntl = RREG32(RADEON_DAC_CNTL);
 626         dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
 627
 628         tmp = vclk_ecp_cntl &
 629                 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
 630         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 631
 632         tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
 633         WREG32(RADEON_CRTC_EXT_CNTL, tmp);
 634
 635         tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
 636                 RADEON_DAC_FORCE_DATA_EN;
 637
 638         if (color)
 639                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
 640         else
 641                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
 642
 643         if (ASIC_IS_R300(rdev))
 644                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
 645         else
 646                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 647
 648         WREG32(RADEON_DAC_EXT_CNTL, tmp);
 649
 650         tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
 651         tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
 652         WREG32(RADEON_DAC_CNTL, tmp);
 653
 654         tmp &= ~(RADEON_DAC_PDWN_R |
 655                  RADEON_DAC_PDWN_G |
 656                  RADEON_DAC_PDWN_B);
 657
 658         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
 659
 660         mdelay(2);
 661
 662         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
 663                 found = connector_status_connected;
 664
 665         /* restore the regs we used */
 666         WREG32(RADEON_DAC_CNTL, dac_cntl);
 667         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 668         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
 669         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
 670         WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
 671
 672         return found;
 673 }
 674
 675 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
 676         .dpms = radeon_legacy_primary_dac_dpms,
 677         .mode_fixup = radeon_legacy_mode_fixup,
 678         .prepare = radeon_legacy_primary_dac_prepare,
 679         .mode_set = radeon_legacy_primary_dac_mode_set,
 680         .commit = radeon_legacy_primary_dac_commit,
 681         .detect = radeon_legacy_primary_dac_detect,
 682         .disable = radeon_legacy_encoder_disable,
 683 };
 684
 685
 686 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
 687         .destroy = radeon_enc_destroy,
 688 };
 689
 690 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
 691 {
 692         struct drm_device *dev = encoder->dev;
 693         struct radeon_device *rdev = dev->dev_private;
 694         uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
 695         DRM_DEBUG_KMS("\n");
 696
 697         switch (mode) {
 698         case DRM_MODE_DPMS_ON:
 699                 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 700                 break;
 701         case DRM_MODE_DPMS_STANDBY:
 702         case DRM_MODE_DPMS_SUSPEND:
 703         case DRM_MODE_DPMS_OFF:
 704                 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 705                 break;
 706         }
 707
 708         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 709
 710         if (rdev->is_atom_bios)
 711                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 712         else
 713                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 714
 715 }
 716
 717 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
 718 {
 719         struct radeon_device *rdev = encoder->dev->dev_private;
 720
 721         if (rdev->is_atom_bios)
 722                 radeon_atom_output_lock(encoder, true);
 723         else
 724                 radeon_combios_output_lock(encoder, true);
 725         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
 726 }
 727
 728 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
 729 {
 730         struct radeon_device *rdev = encoder->dev->dev_private;
 731
 732         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
 733
 734         if (rdev->is_atom_bios)
 735                 radeon_atom_output_lock(encoder, true);
 736         else
 737                 radeon_combios_output_lock(encoder, true);
 738 }
 739
 740 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
 741                                             struct drm_display_mode *mode,
 742                                             struct drm_display_mode *adjusted_mode)
 743 {
 744         struct drm_device *dev = encoder->dev;
 745         struct radeon_device *rdev = dev->dev_private;
 746         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 747         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 748         uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
 749         int i;
 750
 751         DRM_DEBUG_KMS("\n");
 752
 753         tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
 754         tmp &= 0xfffff;
 755         if (rdev->family == CHIP_RV280) {
 756                 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */
 757                 tmp ^= (1 << 22);
 758                 tmds_pll_cntl ^= (1 << 22);
 759         }
 760
 761         if (radeon_encoder->enc_priv) {
 762                 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
 763
 764                 for (i = 0; i < 4; i++) {
 765                         if (tmds->tmds_pll[i].freq == 0)
 766                                 break;
 767                         if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
 768                                 tmp = tmds->tmds_pll[i].value ;
 769                                 break;
 770                         }
 771                 }
 772         }
 773
 774         if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
 775                 if (tmp & 0xfff00000)
 776                         tmds_pll_cntl = tmp;
 777                 else {
 778                         tmds_pll_cntl &= 0xfff00000;
 779                         tmds_pll_cntl |= tmp;
 780                 }
 781         } else
 782                 tmds_pll_cntl = tmp;
 783
 784         tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
 785                 ~(RADEON_TMDS_TRANSMITTER_PLLRST);
 786
 787     if (rdev->family == CHIP_R200 ||
 788         rdev->family == CHIP_R100 ||
 789         ASIC_IS_R300(rdev))
 790             tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
 791     else /* RV chips got this bit reversed */
 792             tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
 793
 794     fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
 795                    (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
 796                     RADEON_FP_CRTC_DONT_SHADOW_HEND));
 797
 798     fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
 799
 800     fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
 801                      RADEON_FP_DFP_SYNC_SEL |
 802                      RADEON_FP_CRT_SYNC_SEL |
 803                      RADEON_FP_CRTC_LOCK_8DOT |
 804                      RADEON_FP_USE_SHADOW_EN |
 805                      RADEON_FP_CRTC_USE_SHADOW_VEND |
 806                      RADEON_FP_CRT_SYNC_ALT);
 807
 808     if (1) /*  FIXME rgbBits == 8 */
 809             fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
 810     else
 811             fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
 812
 813     if (radeon_crtc->crtc_id == 0) {
 814             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 815                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 816                     if (radeon_encoder->rmx_type != RMX_OFF)
 817                             fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
 818                     else
 819                             fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
 820             } else
 821                     fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
 822     } else {
 823             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
 824                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
 825                     fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
 826             } else
 827                     fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
 828     }
 829
 830     WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
 831     WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
 832     WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
 833
 834         if (rdev->is_atom_bios)
 835                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 836         else
 837                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 838 }
 839
 840 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
 841         .dpms = radeon_legacy_tmds_int_dpms,
 842         .mode_fixup = radeon_legacy_mode_fixup,
 843         .prepare = radeon_legacy_tmds_int_prepare,
 844         .mode_set = radeon_legacy_tmds_int_mode_set,
 845         .commit = radeon_legacy_tmds_int_commit,
 846         .disable = radeon_legacy_encoder_disable,
 847 };
 848
 849
 850 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
 851         .destroy = radeon_enc_destroy,
 852 };
 853
 854 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
 855 {
 856         struct drm_device *dev = encoder->dev;
 857         struct radeon_device *rdev = dev->dev_private;
 858         uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 859         DRM_DEBUG_KMS("\n");
 860
 861         switch (mode) {
 862         case DRM_MODE_DPMS_ON:
 863                 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
 864                 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 865                 break;
 866         case DRM_MODE_DPMS_STANDBY:
 867         case DRM_MODE_DPMS_SUSPEND:
 868         case DRM_MODE_DPMS_OFF:
 869                 fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
 870                 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
 871                 break;
 872         }
 873
 874         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
 875
 876         if (rdev->is_atom_bios)
 877                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 878         else
 879                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 880
 881 }
 882
 883 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
 884 {
 885         struct radeon_device *rdev = encoder->dev->dev_private;
 886
 887         if (rdev->is_atom_bios)
 888                 radeon_atom_output_lock(encoder, true);
 889         else
 890                 radeon_combios_output_lock(encoder, true);
 891         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
 892 }
 893
 894 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
 895 {
 896         struct radeon_device *rdev = encoder->dev->dev_private;
 897         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
 898
 899         if (rdev->is_atom_bios)
 900                 radeon_atom_output_lock(encoder, false);
 901         else
 902                 radeon_combios_output_lock(encoder, false);
 903 }
 904
 905 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
 906                                             struct drm_display_mode *mode,
 907                                             struct drm_display_mode *adjusted_mode)
 908 {
 909         struct drm_device *dev = encoder->dev;
 910         struct radeon_device *rdev = dev->dev_private;
 911         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 912         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 913         uint32_t fp2_gen_cntl;
 914
 915         DRM_DEBUG_KMS("\n");
 916
 917         if (rdev->is_atom_bios) {
 918                 radeon_encoder->pixel_clock = adjusted_mode->clock;
 919                 atombios_dvo_setup(encoder, ATOM_ENABLE);
 920                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 921         } else {
 922                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
 923
 924                 if (1) /*  FIXME rgbBits == 8 */
 925                         fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
 926                 else
 927                         fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
 928
 929                 fp2_gen_cntl &= ~(RADEON_FP2_ON |
 930                                   RADEON_FP2_DVO_EN |
 931                                   RADEON_FP2_DVO_RATE_SEL_SDR);
 932
 933                 /* XXX: these are oem specific */
 934                 if (ASIC_IS_R300(rdev)) {
 935                         if ((dev->pdev->device == 0x4850) &&
 936                             (dev->pdev->subsystem_vendor == 0x1028) &&
 937                             (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
 938                                 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
 939                         else
 940                                 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
 941
 942                         /*if (mode->clock > 165000)
 943                           fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
 944                 }
 945                 if (!radeon_combios_external_tmds_setup(encoder))
 946                         radeon_external_tmds_setup(encoder);
 947         }
 948
 949         if (radeon_crtc->crtc_id == 0) {
 950                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 951                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 952                         if (radeon_encoder->rmx_type != RMX_OFF)
 953                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
 954                         else
 955                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
 956                 } else
 957                         fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
 958         } else {
 959                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
 960                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
 961                         fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
 962                 } else
 963                         fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
 964         }
 965
 966         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
 967
 968         if (rdev->is_atom_bios)
 969                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 970         else
 971                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 972 }
 973
 974 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
 975 {
 976         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 977         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
 978         if (tmds) {
 979                 if (tmds->i2c_bus)
 980                         radeon_i2c_destroy(tmds->i2c_bus);
 981         }
 982         kfree(radeon_encoder->enc_priv);
 983         drm_encoder_cleanup(encoder);
 984         kfree(radeon_encoder);
 985 }
 986
 987 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
 988         .dpms = radeon_legacy_tmds_ext_dpms,
 989         .mode_fixup = radeon_legacy_mode_fixup,
 990         .prepare = radeon_legacy_tmds_ext_prepare,
 991         .mode_set = radeon_legacy_tmds_ext_mode_set,
 992         .commit = radeon_legacy_tmds_ext_commit,
 993         .disable = radeon_legacy_encoder_disable,
 994 };
 995
 996
 997 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
 998         .destroy = radeon_ext_tmds_enc_destroy,
 999 };
1000
1001 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1002 {
1003         struct drm_device *dev = encoder->dev;
1004         struct radeon_device *rdev = dev->dev_private;
1005         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1006         uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1007         uint32_t tv_master_cntl = 0;
1008         bool is_tv;
1009         DRM_DEBUG_KMS("\n");
1010
1011         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1012
1013         if (rdev->family == CHIP_R200)
1014                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1015         else {
1016                 if (is_tv)
1017                         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1018                 else
1019                         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1020                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1021         }
1022
1023         switch (mode) {
1024         case DRM_MODE_DPMS_ON:
1025                 if (rdev->family == CHIP_R200) {
1026                         fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1027                 } else {
1028                         if (is_tv)
1029                                 tv_master_cntl |= RADEON_TV_ON;
1030                         else
1031                                 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1032
1033                         if (rdev->family == CHIP_R420 ||
1034                             rdev->family == CHIP_R423 ||
1035                             rdev->family == CHIP_RV410)
1036                                 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1037                                                  R420_TV_DAC_GDACPD |
1038                                                  R420_TV_DAC_BDACPD |
1039                                                  RADEON_TV_DAC_BGSLEEP);
1040                         else
1041                                 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1042                                                  RADEON_TV_DAC_GDACPD |
1043                                                  RADEON_TV_DAC_BDACPD |
1044                                                  RADEON_TV_DAC_BGSLEEP);
1045                 }
1046                 break;
1047         case DRM_MODE_DPMS_STANDBY:
1048         case DRM_MODE_DPMS_SUSPEND:
1049         case DRM_MODE_DPMS_OFF:
1050                 if (rdev->family == CHIP_R200)
1051                         fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1052                 else {
1053                         if (is_tv)
1054                                 tv_master_cntl &= ~RADEON_TV_ON;
1055                         else
1056                                 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1057
1058                         if (rdev->family == CHIP_R420 ||
1059                             rdev->family == CHIP_R423 ||
1060                             rdev->family == CHIP_RV410)
1061                                 tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1062                                                 R420_TV_DAC_GDACPD |
1063                                                 R420_TV_DAC_BDACPD |
1064                                                 RADEON_TV_DAC_BGSLEEP);
1065                         else
1066                                 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1067                                                 RADEON_TV_DAC_GDACPD |
1068                                                 RADEON_TV_DAC_BDACPD |
1069                                                 RADEON_TV_DAC_BGSLEEP);
1070                 }
1071                 break;
1072         }
1073
1074         if (rdev->family == CHIP_R200) {
1075                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1076         } else {
1077                 if (is_tv)
1078                         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1079                 else
1080                         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1081                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1082         }
1083
1084         if (rdev->is_atom_bios)
1085                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1086         else
1087                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1088
1089 }
1090
1091 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1092 {
1093         struct radeon_device *rdev = encoder->dev->dev_private;
1094
1095         if (rdev->is_atom_bios)
1096                 radeon_atom_output_lock(encoder, true);
1097         else
1098                 radeon_combios_output_lock(encoder, true);
1099         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1100 }
1101
1102 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1103 {
1104         struct radeon_device *rdev = encoder->dev->dev_private;
1105
1106         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1107
1108         if (rdev->is_atom_bios)
1109                 radeon_atom_output_lock(encoder, true);
1110         else
1111                 radeon_combios_output_lock(encoder, true);
1112 }
1113
1114 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1115                 struct drm_display_mode *mode,
1116                 struct drm_display_mode *adjusted_mode)
1117 {
1118         struct drm_device *dev = encoder->dev;
1119         struct radeon_device *rdev = dev->dev_private;
1120         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1121         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1122         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1123         uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1124         uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1125         bool is_tv = false;
1126
1127         DRM_DEBUG_KMS("\n");
1128
1129         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1130
1131         if (rdev->family != CHIP_R200) {
1132                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1133                 if (rdev->family == CHIP_R420 ||
1134                     rdev->family == CHIP_R423 ||
1135                     rdev->family == CHIP_RV410) {
1136                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1137                                          RADEON_TV_DAC_BGADJ_MASK |
1138                                          R420_TV_DAC_DACADJ_MASK |
1139                                          R420_TV_DAC_RDACPD |
1140                                          R420_TV_DAC_GDACPD |
1141                                          R420_TV_DAC_BDACPD |
1142                                          R420_TV_DAC_TVENABLE);
1143                 } else {
1144                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1145                                          RADEON_TV_DAC_BGADJ_MASK |
1146                                          RADEON_TV_DAC_DACADJ_MASK |
1147                                          RADEON_TV_DAC_RDACPD |
1148                                          RADEON_TV_DAC_GDACPD |
1149                                          RADEON_TV_DAC_BDACPD);
1150                 }
1151
1152                 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1153
1154                 if (is_tv) {
1155                         if (tv_dac->tv_std == TV_STD_NTSC ||
1156                             tv_dac->tv_std == TV_STD_NTSC_J ||
1157                             tv_dac->tv_std == TV_STD_PAL_M ||
1158                             tv_dac->tv_std == TV_STD_PAL_60)
1159                                 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1160                         else
1161                                 tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1162
1163                         if (tv_dac->tv_std == TV_STD_NTSC ||
1164                             tv_dac->tv_std == TV_STD_NTSC_J)
1165                                 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1166                         else
1167                                 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1168                 } else
1169                         tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1170                                         tv_dac->ps2_tvdac_adj);
1171
1172                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1173         }
1174
1175         if (ASIC_IS_R300(rdev)) {
1176                 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1177                 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1178         } else if (rdev->family != CHIP_R200)
1179                 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1180         else if (rdev->family == CHIP_R200)
1181                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1182
1183         if (rdev->family >= CHIP_R200)
1184                 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1185
1186         if (is_tv) {
1187                 uint32_t dac_cntl;
1188
1189                 dac_cntl = RREG32(RADEON_DAC_CNTL);
1190                 dac_cntl &= ~RADEON_DAC_TVO_EN;
1191                 WREG32(RADEON_DAC_CNTL, dac_cntl);
1192
1193                 if (ASIC_IS_R300(rdev))
1194                         gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1195
1196                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1197                 if (radeon_crtc->crtc_id == 0) {
1198                         if (ASIC_IS_R300(rdev)) {
1199                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1200                                 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1201                                                      RADEON_DISP_TV_SOURCE_CRTC);
1202                         }
1203                         if (rdev->family >= CHIP_R200) {
1204                                 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1205                         } else {
1206                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1207                         }
1208                 } else {
1209                         if (ASIC_IS_R300(rdev)) {
1210                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1211                                 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1212                         }
1213                         if (rdev->family >= CHIP_R200) {
1214                                 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1215                         } else {
1216                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1217                         }
1218                 }
1219                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1220         } else {
1221
1222                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1223
1224                 if (radeon_crtc->crtc_id == 0) {
1225                         if (ASIC_IS_R300(rdev)) {
1226                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1227                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1228                         } else if (rdev->family == CHIP_R200) {
1229                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1230                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1231                         } else
1232                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1233                 } else {
1234                         if (ASIC_IS_R300(rdev)) {
1235                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1236                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1237                         } else if (rdev->family == CHIP_R200) {
1238                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1239                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1240                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1241                         } else
1242                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1243                 }
1244                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1245         }
1246
1247         if (ASIC_IS_R300(rdev)) {
1248                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1249                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1250         } else if (rdev->family != CHIP_R200)
1251                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1252         else if (rdev->family == CHIP_R200)
1253                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1254
1255         if (rdev->family >= CHIP_R200)
1256                 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1257
1258         if (is_tv)
1259                 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1260
1261         if (rdev->is_atom_bios)
1262                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1263         else
1264                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1265
1266 }
1267
1268 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1269                                   struct drm_connector *connector)
1270 {
1271         struct drm_device *dev = encoder->dev;
1272         struct radeon_device *rdev = dev->dev_private;
1273         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1274         uint32_t disp_output_cntl, gpiopad_a, tmp;
1275         bool found = false;
1276
1277         /* save regs needed */
1278         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1279         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1280         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1281         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1282         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1283         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1284
1285         WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1286
1287         WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1288
1289         WREG32(RADEON_CRTC2_GEN_CNTL,
1290                RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1291
1292         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1293         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1294         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1295
1296         WREG32(RADEON_DAC_EXT_CNTL,
1297                RADEON_DAC2_FORCE_BLANK_OFF_EN |
1298                RADEON_DAC2_FORCE_DATA_EN |
1299                RADEON_DAC_FORCE_DATA_SEL_RGB |
1300                (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1301
1302         WREG32(RADEON_TV_DAC_CNTL,
1303                RADEON_TV_DAC_STD_NTSC |
1304                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1305                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1306
1307         RREG32(RADEON_TV_DAC_CNTL);
1308         mdelay(4);
1309
1310         WREG32(RADEON_TV_DAC_CNTL,
1311                RADEON_TV_DAC_NBLANK |
1312                RADEON_TV_DAC_NHOLD |
1313                RADEON_TV_MONITOR_DETECT_EN |
1314                RADEON_TV_DAC_STD_NTSC |
1315                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1316                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1317
1318         RREG32(RADEON_TV_DAC_CNTL);
1319         mdelay(6);
1320
1321         tmp = RREG32(RADEON_TV_DAC_CNTL);
1322         if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1323                 found = true;
1324                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1325         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1326                 found = true;
1327                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1328         }
1329
1330         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1331         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1332         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1333         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1334         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1335         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1336         return found;
1337 }
1338
1339 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1340                                     struct drm_connector *connector)
1341 {
1342         struct drm_device *dev = encoder->dev;
1343         struct radeon_device *rdev = dev->dev_private;
1344         uint32_t tv_dac_cntl, dac_cntl2;
1345         uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1346         bool found = false;
1347
1348         if (ASIC_IS_R300(rdev))
1349                 return r300_legacy_tv_detect(encoder, connector);
1350
1351         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1352         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1353         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1354         config_cntl = RREG32(RADEON_CONFIG_CNTL);
1355         tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1356
1357         tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1358         WREG32(RADEON_DAC_CNTL2, tmp);
1359
1360         tmp = tv_master_cntl | RADEON_TV_ON;
1361         tmp &= ~(RADEON_TV_ASYNC_RST |
1362                  RADEON_RESTART_PHASE_FIX |
1363                  RADEON_CRT_FIFO_CE_EN |
1364                  RADEON_TV_FIFO_CE_EN |
1365                  RADEON_RE_SYNC_NOW_SEL_MASK);
1366         tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1367         WREG32(RADEON_TV_MASTER_CNTL, tmp);
1368
1369         tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1370                 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1371                 (8 << RADEON_TV_DAC_BGADJ_SHIFT);
1372
1373         if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1374                 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1375         else
1376                 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1377         WREG32(RADEON_TV_DAC_CNTL, tmp);
1378
1379         tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1380                 RADEON_RED_MX_FORCE_DAC_DATA |
1381                 RADEON_GRN_MX_FORCE_DAC_DATA |
1382                 RADEON_BLU_MX_FORCE_DAC_DATA |
1383                 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1384         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1385
1386         mdelay(3);
1387         tmp = RREG32(RADEON_TV_DAC_CNTL);
1388         if (tmp & RADEON_TV_DAC_GDACDET) {
1389                 found = true;
1390                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1391         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1392                 found = true;
1393                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1394         }
1395
1396         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1397         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1398         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1399         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1400         return found;
1401 }
1402
1403 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1404                                                              struct drm_connector *connector)
1405 {
1406         struct drm_device *dev = encoder->dev;
1407         struct radeon_device *rdev = dev->dev_private;
1408         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1409         uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp;
1410         enum drm_connector_status found = connector_status_disconnected;
1411         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1412         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1413         bool color = true;
1414         struct drm_crtc *crtc;
1415
1416         /* find out if crtc2 is in use or if this encoder is using it */
1417         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1418                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1419                 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1420                         if (encoder->crtc != crtc) {
1421                                 return connector_status_disconnected;
1422                         }
1423                 }
1424         }
1425
1426         if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1427             connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1428             connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1429                 bool tv_detect;
1430
1431                 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1432                         return connector_status_disconnected;
1433
1434                 tv_detect = radeon_legacy_tv_detect(encoder, connector);
1435                 if (tv_detect && tv_dac)
1436                         found = connector_status_connected;
1437                 return found;
1438         }
1439
1440         /* don't probe if the encoder is being used for something else not CRT related */
1441         if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1442                 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1443                 return connector_status_disconnected;
1444         }
1445
1446         /* save the regs we need */
1447         pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1448         gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0;
1449         disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0;
1450         disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG);
1451         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1452         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1453         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1454         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1455
1456         tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1457                                | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1458         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1459
1460         if (ASIC_IS_R300(rdev))
1461                 WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1462
1463         tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1464         tmp |= RADEON_CRTC2_CRT2_ON |
1465                 (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1466
1467         WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1468
1469         if (ASIC_IS_R300(rdev)) {
1470                 tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1471                 tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1472                 WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1473         } else {
1474                 tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1475                 WREG32(RADEON_DISP_HW_DEBUG, tmp);
1476         }
1477
1478         tmp = RADEON_TV_DAC_NBLANK |
1479                 RADEON_TV_DAC_NHOLD |
1480                 RADEON_TV_MONITOR_DETECT_EN |
1481                 RADEON_TV_DAC_STD_PS2;
1482
1483         WREG32(RADEON_TV_DAC_CNTL, tmp);
1484
1485         tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1486                 RADEON_DAC2_FORCE_DATA_EN;
1487
1488         if (color)
1489                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1490         else
1491                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1492
1493         if (ASIC_IS_R300(rdev))
1494                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1495         else
1496                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1497
1498         WREG32(RADEON_DAC_EXT_CNTL, tmp);
1499
1500         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1501         WREG32(RADEON_DAC_CNTL2, tmp);
1502
1503         mdelay(10);
1504
1505         if (ASIC_IS_R300(rdev)) {
1506                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1507                         found = connector_status_connected;
1508         } else {
1509                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1510                         found = connector_status_connected;
1511         }
1512
1513         /* restore regs we used */
1514         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1515         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1516         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1517         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1518
1519         if (ASIC_IS_R300(rdev)) {
1520                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1521                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1522         } else {
1523                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1524         }
1525         WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1526
1527         return found;
1528
1529 }
1530
1531 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1532         .dpms = radeon_legacy_tv_dac_dpms,
1533         .mode_fixup = radeon_legacy_mode_fixup,
1534         .prepare = radeon_legacy_tv_dac_prepare,
1535         .mode_set = radeon_legacy_tv_dac_mode_set,
1536         .commit = radeon_legacy_tv_dac_commit,
1537         .detect = radeon_legacy_tv_dac_detect,
1538         .disable = radeon_legacy_encoder_disable,
1539 };
1540
1541
1542 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1543         .destroy = radeon_enc_destroy,
1544 };
1545
1546
1547 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1548 {
1549         struct drm_device *dev = encoder->base.dev;
1550         struct radeon_device *rdev = dev->dev_private;
1551         struct radeon_encoder_int_tmds *tmds = NULL;
1552         bool ret;
1553
1554         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1555
1556         if (!tmds)
1557                 return NULL;
1558
1559         if (rdev->is_atom_bios)
1560                 ret = radeon_atombios_get_tmds_info(encoder, tmds);
1561         else
1562                 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1563
1564         if (ret == false)
1565                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1566
1567         return tmds;
1568 }
1569
1570 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1571 {
1572         struct drm_device *dev = encoder->base.dev;
1573         struct radeon_device *rdev = dev->dev_private;
1574         struct radeon_encoder_ext_tmds *tmds = NULL;
1575         bool ret;
1576
1577         if (rdev->is_atom_bios)
1578                 return NULL;
1579
1580         tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1581
1582         if (!tmds)
1583                 return NULL;
1584
1585         ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1586
1587         if (ret == false)
1588                 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1589
1590         return tmds;
1591 }
1592
1593 void
1594 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1595 {
1596         struct radeon_device *rdev = dev->dev_private;
1597         struct drm_encoder *encoder;
1598         struct radeon_encoder *radeon_encoder;
1599
1600         /* see if we already added it */
1601         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1602                 radeon_encoder = to_radeon_encoder(encoder);
1603                 if (radeon_encoder->encoder_enum == encoder_enum) {
1604                         radeon_encoder->devices |= supported_device;
1605                         return;
1606                 }
1607
1608         }
1609
1610         /* add a new one */
1611         radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1612         if (!radeon_encoder)
1613                 return;
1614
1615         encoder = &radeon_encoder->base;
1616         if (rdev->flags & RADEON_SINGLE_CRTC)
1617                 encoder->possible_crtcs = 0x1;
1618         else
1619                 encoder->possible_crtcs = 0x3;
1620
1621         radeon_encoder->enc_priv = NULL;
1622
1623         radeon_encoder->encoder_enum = encoder_enum;
1624         radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1625         radeon_encoder->devices = supported_device;
1626         radeon_encoder->rmx_type = RMX_OFF;
1627
1628         switch (radeon_encoder->encoder_id) {
1629         case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1630                 encoder->possible_crtcs = 0x1;
1631                 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS);
1632                 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1633                 if (rdev->is_atom_bios)
1634                         radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1635                 else
1636                         radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1637                 radeon_encoder->rmx_type = RMX_FULL;
1638                 break;
1639         case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1640                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs, DRM_MODE_ENCODER_TMDS);
1641                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1642                 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1643                 break;
1644         case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1645                 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs, DRM_MODE_ENCODER_DAC);
1646                 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1647                 if (rdev->is_atom_bios)
1648                         radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1649                 else
1650                         radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1651                 break;
1652         case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1653                 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs, DRM_MODE_ENCODER_TVDAC);
1654                 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1655                 if (rdev->is_atom_bios)
1656                         radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1657                 else
1658                         radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1659                 break;
1660         case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1661                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs, DRM_MODE_ENCODER_TMDS);
1662                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1663                 if (!rdev->is_atom_bios)
1664                         radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1665                 break;
1666         }
1667 }