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 struct drm_encoder_helper_funcs *encoder_funcs; 40 41 encoder_funcs = encoder->helper_private; 42 encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); 43 radeon_encoder->active_device = 0; 44 } 45 46 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode) 47 { 48 struct drm_device *dev = encoder->dev; 49 struct radeon_device *rdev = dev->dev_private; 50 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 51 uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man; 52 int panel_pwr_delay = 2000; 53 bool is_mac = false; 54 uint8_t backlight_level; 55 DRM_DEBUG_KMS("\n"); 56 57 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL); 58 backlight_level = (lvds_gen_cntl >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff; 59 60 if (radeon_encoder->enc_priv) { 61 if (rdev->is_atom_bios) { 62 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; 63 panel_pwr_delay = lvds->panel_pwr_delay; 64 if (lvds->bl_dev) 65 backlight_level = lvds->backlight_level; 66 } else { 67 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; 68 panel_pwr_delay = lvds->panel_pwr_delay; 69 if (lvds->bl_dev) 70 backlight_level = lvds->backlight_level; 71 } 72 } 73 74 /* macs (and possibly some x86 oem systems?) wire up LVDS strangely 75 * Taken from radeonfb. 76 */ 77 if ((rdev->mode_info.connector_table == CT_IBOOK) || 78 (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) || 79 (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) || 80 (rdev->mode_info.connector_table == CT_POWERBOOK_VGA)) 81 is_mac = true; 82 83 switch (mode) { 84 case DRM_MODE_DPMS_ON: 85 disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN); 86 disp_pwr_man |= RADEON_AUTO_PWRUP_EN; 87 WREG32(RADEON_DISP_PWR_MAN, disp_pwr_man); 88 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL); 89 lvds_pll_cntl |= RADEON_LVDS_PLL_EN; 90 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl); 91 mdelay(1); 92 93 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL); 94 lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET; 95 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl); 96 97 lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS | 98 RADEON_LVDS_BL_MOD_LEVEL_MASK); 99 lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN | 100 RADEON_LVDS_DIGON | RADEON_LVDS_BLON | 101 (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT)); 102 if (is_mac) 103 lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN; 104 mdelay(panel_pwr_delay); 105 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); 106 break; 107 case DRM_MODE_DPMS_STANDBY: 108 case DRM_MODE_DPMS_SUSPEND: 109 case DRM_MODE_DPMS_OFF: 110 pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL); 111 WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb); 112 lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS; 113 if (is_mac) { 114 lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN; 115 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); 116 lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN); 117 } else { 118 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); 119 lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON); 120 } 121 mdelay(panel_pwr_delay); 122 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); 123 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); 124 mdelay(panel_pwr_delay); 125 break; 126 } 127 128 if (rdev->is_atom_bios) 129 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 130 else 131 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 132 133 } 134 135 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode) 136 { 137 struct radeon_device *rdev = encoder->dev->dev_private; 138 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 139 DRM_DEBUG("\n"); 140 141 if (radeon_encoder->enc_priv) { 142 if (rdev->is_atom_bios) { 143 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; 144 lvds->dpms_mode = mode; 145 } else { 146 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; 147 lvds->dpms_mode = mode; 148 } 149 } 150 151 radeon_legacy_lvds_update(encoder, mode); 152 } 153 154 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder) 155 { 156 struct radeon_device *rdev = encoder->dev->dev_private; 157 158 if (rdev->is_atom_bios) 159 radeon_atom_output_lock(encoder, true); 160 else 161 radeon_combios_output_lock(encoder, true); 162 radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_OFF); 163 } 164 165 static void radeon_legacy_lvds_commit(struct drm_encoder *encoder) 166 { 167 struct radeon_device *rdev = encoder->dev->dev_private; 168 169 radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_ON); 170 if (rdev->is_atom_bios) 171 radeon_atom_output_lock(encoder, false); 172 else 173 radeon_combios_output_lock(encoder, false); 174 } 175 176 static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder, 177 struct drm_display_mode *mode, 178 struct drm_display_mode *adjusted_mode) 179 { 180 struct drm_device *dev = encoder->dev; 181 struct radeon_device *rdev = dev->dev_private; 182 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 183 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 184 uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl; 185 186 DRM_DEBUG_KMS("\n"); 187 188 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL); 189 lvds_pll_cntl &= ~RADEON_LVDS_PLL_EN; 190 191 lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL); 192 if (rdev->is_atom_bios) { 193 /* LVDS_GEN_CNTL parameters are computed in LVDSEncoderControl 194 * need to call that on resume to set up the reg properly. 195 */ 196 radeon_encoder->pixel_clock = adjusted_mode->clock; 197 atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_ENABLE); 198 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL); 199 } else { 200 struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv; 201 if (lvds) { 202 DRM_DEBUG_KMS("bios LVDS_GEN_CNTL: 0x%x\n", lvds->lvds_gen_cntl); 203 lvds_gen_cntl = lvds->lvds_gen_cntl; 204 lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) | 205 (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT)); 206 lvds_ss_gen_cntl |= ((lvds->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) | 207 (lvds->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT)); 208 } else 209 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL); 210 } 211 lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS; 212 lvds_gen_cntl &= ~(RADEON_LVDS_ON | 213 RADEON_LVDS_BLON | 214 RADEON_LVDS_EN | 215 RADEON_LVDS_RST_FM); 216 217 if (ASIC_IS_R300(rdev)) 218 lvds_pll_cntl &= ~(R300_LVDS_SRC_SEL_MASK); 219 220 if (radeon_crtc->crtc_id == 0) { 221 if (ASIC_IS_R300(rdev)) { 222 if (radeon_encoder->rmx_type != RMX_OFF) 223 lvds_pll_cntl |= R300_LVDS_SRC_SEL_RMX; 224 } else 225 lvds_gen_cntl &= ~RADEON_LVDS_SEL_CRTC2; 226 } else { 227 if (ASIC_IS_R300(rdev)) 228 lvds_pll_cntl |= R300_LVDS_SRC_SEL_CRTC2; 229 else 230 lvds_gen_cntl |= RADEON_LVDS_SEL_CRTC2; 231 } 232 233 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); 234 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl); 235 WREG32(RADEON_LVDS_SS_GEN_CNTL, lvds_ss_gen_cntl); 236 237 if (rdev->family == CHIP_RV410) 238 WREG32(RADEON_CLOCK_CNTL_INDEX, 0); 239 240 if (rdev->is_atom_bios) 241 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 242 else 243 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 244 } 245 246 static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder, 247 const struct drm_display_mode *mode, 248 struct drm_display_mode *adjusted_mode) 249 { 250 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 251 252 /* set the active encoder to connector routing */ 253 radeon_encoder_set_active_device(encoder); 254 drm_mode_set_crtcinfo(adjusted_mode, 0); 255 256 /* get the native mode for LVDS */ 257 if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) 258 radeon_panel_mode_fixup(encoder, adjusted_mode); 259 260 return true; 261 } 262 263 static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = { 264 .dpms = radeon_legacy_lvds_dpms, 265 .mode_fixup = radeon_legacy_mode_fixup, 266 .prepare = radeon_legacy_lvds_prepare, 267 .mode_set = radeon_legacy_lvds_mode_set, 268 .commit = radeon_legacy_lvds_commit, 269 .disable = radeon_legacy_encoder_disable, 270 }; 271 272 u8 273 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder) 274 { 275 struct drm_device *dev = radeon_encoder->base.dev; 276 struct radeon_device *rdev = dev->dev_private; 277 u8 backlight_level; 278 279 backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >> 280 RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff; 281 282 return backlight_level; 283 } 284 285 void 286 radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level) 287 { 288 struct drm_device *dev = radeon_encoder->base.dev; 289 struct radeon_device *rdev = dev->dev_private; 290 int dpms_mode = DRM_MODE_DPMS_ON; 291 292 if (radeon_encoder->enc_priv) { 293 if (rdev->is_atom_bios) { 294 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; 295 if (lvds->backlight_level > 0) 296 dpms_mode = lvds->dpms_mode; 297 else 298 dpms_mode = DRM_MODE_DPMS_OFF; 299 lvds->backlight_level = level; 300 } else { 301 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; 302 if (lvds->backlight_level > 0) 303 dpms_mode = lvds->dpms_mode; 304 else 305 dpms_mode = DRM_MODE_DPMS_OFF; 306 lvds->backlight_level = level; 307 } 308 } 309 310 radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode); 311 } 312 313 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) 314 315 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd) 316 { 317 struct radeon_backlight_privdata *pdata = bl_get_data(bd); 318 uint8_t level; 319 320 /* Convert brightness to hardware level */ 321 if (bd->props.brightness < 0) 322 level = 0; 323 else if (bd->props.brightness > RADEON_MAX_BL_LEVEL) 324 level = RADEON_MAX_BL_LEVEL; 325 else 326 level = bd->props.brightness; 327 328 if (pdata->negative) 329 level = RADEON_MAX_BL_LEVEL - level; 330 331 return level; 332 } 333 334 static int radeon_legacy_backlight_update_status(struct backlight_device *bd) 335 { 336 struct radeon_backlight_privdata *pdata = bl_get_data(bd); 337 struct radeon_encoder *radeon_encoder = pdata->encoder; 338 339 radeon_legacy_set_backlight_level(radeon_encoder, 340 radeon_legacy_lvds_level(bd)); 341 342 return 0; 343 } 344 345 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd) 346 { 347 struct radeon_backlight_privdata *pdata = bl_get_data(bd); 348 struct radeon_encoder *radeon_encoder = pdata->encoder; 349 struct drm_device *dev = radeon_encoder->base.dev; 350 struct radeon_device *rdev = dev->dev_private; 351 uint8_t backlight_level; 352 353 backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >> 354 RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff; 355 356 return pdata->negative ? RADEON_MAX_BL_LEVEL - backlight_level : backlight_level; 357 } 358 359 static const struct backlight_ops radeon_backlight_ops = { 360 .get_brightness = radeon_legacy_backlight_get_brightness, 361 .update_status = radeon_legacy_backlight_update_status, 362 }; 363 364 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder, 365 struct drm_connector *drm_connector) 366 { 367 struct drm_device *dev = radeon_encoder->base.dev; 368 struct radeon_device *rdev = dev->dev_private; 369 struct backlight_device *bd; 370 struct backlight_properties props; 371 struct radeon_backlight_privdata *pdata; 372 uint8_t backlight_level; 373 char bl_name[16]; 374 375 if (!radeon_encoder->enc_priv) 376 return; 377 378 #ifdef CONFIG_PMAC_BACKLIGHT 379 if (!pmac_has_backlight_type("ati") && 380 !pmac_has_backlight_type("mnca")) 381 return; 382 #endif 383 384 pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL); 385 if (!pdata) { 386 DRM_ERROR("Memory allocation failed\n"); 387 goto error; 388 } 389 390 memset(&props, 0, sizeof(props)); 391 props.max_brightness = RADEON_MAX_BL_LEVEL; 392 props.type = BACKLIGHT_RAW; 393 snprintf(bl_name, sizeof(bl_name), 394 "radeon_bl%d", dev->primary->index); 395 bd = backlight_device_register(bl_name, drm_connector->kdev, 396 pdata, &radeon_backlight_ops, &props); 397 if (IS_ERR(bd)) { 398 DRM_ERROR("Backlight registration failed\n"); 399 goto error; 400 } 401 402 pdata->encoder = radeon_encoder; 403 404 backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >> 405 RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff; 406 407 /* First, try to detect backlight level sense based on the assumption 408 * that firmware set it up at full brightness 409 */ 410 if (backlight_level == 0) 411 pdata->negative = true; 412 else if (backlight_level == 0xff) 413 pdata->negative = false; 414 else { 415 /* XXX hack... maybe some day we can figure out in what direction 416 * backlight should work on a given panel? 417 */ 418 pdata->negative = (rdev->family != CHIP_RV200 && 419 rdev->family != CHIP_RV250 && 420 rdev->family != CHIP_RV280 && 421 rdev->family != CHIP_RV350); 422 423 #ifdef CONFIG_PMAC_BACKLIGHT 424 pdata->negative = (pdata->negative || 425 of_machine_is_compatible("PowerBook4,3") || 426 of_machine_is_compatible("PowerBook6,3") || 427 of_machine_is_compatible("PowerBook6,5")); 428 #endif 429 } 430 431 if (rdev->is_atom_bios) { 432 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; 433 lvds->bl_dev = bd; 434 } else { 435 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; 436 lvds->bl_dev = bd; 437 } 438 439 bd->props.brightness = radeon_legacy_backlight_get_brightness(bd); 440 bd->props.power = FB_BLANK_UNBLANK; 441 backlight_update_status(bd); 442 443 DRM_INFO("radeon legacy LVDS backlight initialized\n"); 444 445 return; 446 447 error: 448 kfree(pdata); 449 return; 450 } 451 452 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder) 453 { 454 struct drm_device *dev = radeon_encoder->base.dev; 455 struct radeon_device *rdev = dev->dev_private; 456 struct backlight_device *bd = NULL; 457 458 if (!radeon_encoder->enc_priv) 459 return; 460 461 if (rdev->is_atom_bios) { 462 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv; 463 bd = lvds->bl_dev; 464 lvds->bl_dev = NULL; 465 } else { 466 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv; 467 bd = lvds->bl_dev; 468 lvds->bl_dev = NULL; 469 } 470 471 if (bd) { 472 struct radeon_backlight_privdata *pdata; 473 474 pdata = bl_get_data(bd); 475 backlight_device_unregister(bd); 476 kfree(pdata); 477 478 DRM_INFO("radeon legacy LVDS backlight unloaded\n"); 479 } 480 } 481 482 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */ 483 484 void radeon_legacy_backlight_init(struct radeon_encoder *encoder) 485 { 486 } 487 488 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder) 489 { 490 } 491 492 #endif 493 494 495 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder) 496 { 497 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 498 499 if (radeon_encoder->enc_priv) { 500 radeon_legacy_backlight_exit(radeon_encoder); 501 kfree(radeon_encoder->enc_priv); 502 } 503 drm_encoder_cleanup(encoder); 504 kfree(radeon_encoder); 505 } 506 507 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = { 508 .destroy = radeon_lvds_enc_destroy, 509 }; 510 511 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode) 512 { 513 struct drm_device *dev = encoder->dev; 514 struct radeon_device *rdev = dev->dev_private; 515 uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); 516 uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL); 517 uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL); 518 519 DRM_DEBUG_KMS("\n"); 520 521 switch (mode) { 522 case DRM_MODE_DPMS_ON: 523 crtc_ext_cntl |= RADEON_CRTC_CRT_ON; 524 dac_cntl &= ~RADEON_DAC_PDWN; 525 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R | 526 RADEON_DAC_PDWN_G | 527 RADEON_DAC_PDWN_B); 528 break; 529 case DRM_MODE_DPMS_STANDBY: 530 case DRM_MODE_DPMS_SUSPEND: 531 case DRM_MODE_DPMS_OFF: 532 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON; 533 dac_cntl |= RADEON_DAC_PDWN; 534 dac_macro_cntl |= (RADEON_DAC_PDWN_R | 535 RADEON_DAC_PDWN_G | 536 RADEON_DAC_PDWN_B); 537 break; 538 } 539 540 /* handled in radeon_crtc_dpms() */ 541 if (!(rdev->flags & RADEON_SINGLE_CRTC)) 542 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); 543 WREG32(RADEON_DAC_CNTL, dac_cntl); 544 WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); 545 546 if (rdev->is_atom_bios) 547 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 548 else 549 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 550 551 } 552 553 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder) 554 { 555 struct radeon_device *rdev = encoder->dev->dev_private; 556 557 if (rdev->is_atom_bios) 558 radeon_atom_output_lock(encoder, true); 559 else 560 radeon_combios_output_lock(encoder, true); 561 radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF); 562 } 563 564 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder) 565 { 566 struct radeon_device *rdev = encoder->dev->dev_private; 567 568 radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON); 569 570 if (rdev->is_atom_bios) 571 radeon_atom_output_lock(encoder, false); 572 else 573 radeon_combios_output_lock(encoder, false); 574 } 575 576 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder, 577 struct drm_display_mode *mode, 578 struct drm_display_mode *adjusted_mode) 579 { 580 struct drm_device *dev = encoder->dev; 581 struct radeon_device *rdev = dev->dev_private; 582 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 583 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 584 uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl; 585 586 DRM_DEBUG_KMS("\n"); 587 588 if (radeon_crtc->crtc_id == 0) { 589 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) { 590 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) & 591 ~(RADEON_DISP_DAC_SOURCE_MASK); 592 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 593 } else { 594 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~(RADEON_DAC2_DAC_CLK_SEL); 595 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 596 } 597 } else { 598 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) { 599 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) & 600 ~(RADEON_DISP_DAC_SOURCE_MASK); 601 disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2; 602 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 603 } else { 604 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL; 605 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 606 } 607 } 608 609 dac_cntl = (RADEON_DAC_MASK_ALL | 610 RADEON_DAC_VGA_ADR_EN | 611 /* TODO 6-bits */ 612 RADEON_DAC_8BIT_EN); 613 614 WREG32_P(RADEON_DAC_CNTL, 615 dac_cntl, 616 RADEON_DAC_RANGE_CNTL | 617 RADEON_DAC_BLANKING); 618 619 if (radeon_encoder->enc_priv) { 620 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv; 621 dac_macro_cntl = p_dac->ps2_pdac_adj; 622 } else 623 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL); 624 dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B; 625 WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); 626 627 if (rdev->is_atom_bios) 628 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 629 else 630 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 631 } 632 633 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder, 634 struct drm_connector *connector) 635 { 636 struct drm_device *dev = encoder->dev; 637 struct radeon_device *rdev = dev->dev_private; 638 uint32_t vclk_ecp_cntl, crtc_ext_cntl; 639 uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp; 640 enum drm_connector_status found = connector_status_disconnected; 641 bool color = true; 642 643 /* just don't bother on RN50 those chip are often connected to remoting 644 * console hw and often we get failure to load detect those. So to make 645 * everyone happy report the encoder as always connected. 646 */ 647 if (ASIC_IS_RN50(rdev)) { 648 return connector_status_connected; 649 } 650 651 /* save the regs we need */ 652 vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 653 crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); 654 dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL); 655 dac_cntl = RREG32(RADEON_DAC_CNTL); 656 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL); 657 658 tmp = vclk_ecp_cntl & 659 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb); 660 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 661 662 tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON; 663 WREG32(RADEON_CRTC_EXT_CNTL, tmp); 664 665 tmp = RADEON_DAC_FORCE_BLANK_OFF_EN | 666 RADEON_DAC_FORCE_DATA_EN; 667 668 if (color) 669 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB; 670 else 671 tmp |= RADEON_DAC_FORCE_DATA_SEL_G; 672 673 if (ASIC_IS_R300(rdev)) 674 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); 675 else if (ASIC_IS_RV100(rdev)) 676 tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT); 677 else 678 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); 679 680 WREG32(RADEON_DAC_EXT_CNTL, tmp); 681 682 tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN); 683 tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN; 684 WREG32(RADEON_DAC_CNTL, tmp); 685 686 tmp = dac_macro_cntl; 687 tmp &= ~(RADEON_DAC_PDWN_R | 688 RADEON_DAC_PDWN_G | 689 RADEON_DAC_PDWN_B); 690 691 WREG32(RADEON_DAC_MACRO_CNTL, tmp); 692 693 mdelay(2); 694 695 if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT) 696 found = connector_status_connected; 697 698 /* restore the regs we used */ 699 WREG32(RADEON_DAC_CNTL, dac_cntl); 700 WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); 701 WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl); 702 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); 703 WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl); 704 705 return found; 706 } 707 708 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = { 709 .dpms = radeon_legacy_primary_dac_dpms, 710 .mode_fixup = radeon_legacy_mode_fixup, 711 .prepare = radeon_legacy_primary_dac_prepare, 712 .mode_set = radeon_legacy_primary_dac_mode_set, 713 .commit = radeon_legacy_primary_dac_commit, 714 .detect = radeon_legacy_primary_dac_detect, 715 .disable = radeon_legacy_encoder_disable, 716 }; 717 718 719 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = { 720 .destroy = radeon_enc_destroy, 721 }; 722 723 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode) 724 { 725 struct drm_device *dev = encoder->dev; 726 struct radeon_device *rdev = dev->dev_private; 727 uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL); 728 DRM_DEBUG_KMS("\n"); 729 730 switch (mode) { 731 case DRM_MODE_DPMS_ON: 732 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN); 733 break; 734 case DRM_MODE_DPMS_STANDBY: 735 case DRM_MODE_DPMS_SUSPEND: 736 case DRM_MODE_DPMS_OFF: 737 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN); 738 break; 739 } 740 741 WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl); 742 743 if (rdev->is_atom_bios) 744 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 745 else 746 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 747 748 } 749 750 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder) 751 { 752 struct radeon_device *rdev = encoder->dev->dev_private; 753 754 if (rdev->is_atom_bios) 755 radeon_atom_output_lock(encoder, true); 756 else 757 radeon_combios_output_lock(encoder, true); 758 radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF); 759 } 760 761 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder) 762 { 763 struct radeon_device *rdev = encoder->dev->dev_private; 764 765 radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON); 766 767 if (rdev->is_atom_bios) 768 radeon_atom_output_lock(encoder, true); 769 else 770 radeon_combios_output_lock(encoder, true); 771 } 772 773 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder, 774 struct drm_display_mode *mode, 775 struct drm_display_mode *adjusted_mode) 776 { 777 struct drm_device *dev = encoder->dev; 778 struct radeon_device *rdev = dev->dev_private; 779 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 780 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 781 uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl; 782 int i; 783 784 DRM_DEBUG_KMS("\n"); 785 786 tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL); 787 tmp &= 0xfffff; 788 if (rdev->family == CHIP_RV280) { 789 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */ 790 tmp ^= (1 << 22); 791 tmds_pll_cntl ^= (1 << 22); 792 } 793 794 if (radeon_encoder->enc_priv) { 795 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv; 796 797 for (i = 0; i < 4; i++) { 798 if (tmds->tmds_pll[i].freq == 0) 799 break; 800 if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) { 801 tmp = tmds->tmds_pll[i].value ; 802 break; 803 } 804 } 805 } 806 807 if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) { 808 if (tmp & 0xfff00000) 809 tmds_pll_cntl = tmp; 810 else { 811 tmds_pll_cntl &= 0xfff00000; 812 tmds_pll_cntl |= tmp; 813 } 814 } else 815 tmds_pll_cntl = tmp; 816 817 tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) & 818 ~(RADEON_TMDS_TRANSMITTER_PLLRST); 819 820 if (rdev->family == CHIP_R200 || 821 rdev->family == CHIP_R100 || 822 ASIC_IS_R300(rdev)) 823 tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN); 824 else /* RV chips got this bit reversed */ 825 tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN; 826 827 fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) | 828 (RADEON_FP_CRTC_DONT_SHADOW_VPAR | 829 RADEON_FP_CRTC_DONT_SHADOW_HEND)); 830 831 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN); 832 833 fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN | 834 RADEON_FP_DFP_SYNC_SEL | 835 RADEON_FP_CRT_SYNC_SEL | 836 RADEON_FP_CRTC_LOCK_8DOT | 837 RADEON_FP_USE_SHADOW_EN | 838 RADEON_FP_CRTC_USE_SHADOW_VEND | 839 RADEON_FP_CRT_SYNC_ALT); 840 841 if (1) /* FIXME rgbBits == 8 */ 842 fp_gen_cntl |= RADEON_FP_PANEL_FORMAT; /* 24 bit format */ 843 else 844 fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */ 845 846 if (radeon_crtc->crtc_id == 0) { 847 if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) { 848 fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK; 849 if (radeon_encoder->rmx_type != RMX_OFF) 850 fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX; 851 else 852 fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1; 853 } else 854 fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2; 855 } else { 856 if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) { 857 fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK; 858 fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2; 859 } else 860 fp_gen_cntl |= RADEON_FP_SEL_CRTC2; 861 } 862 863 WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl); 864 WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl); 865 WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl); 866 867 if (rdev->is_atom_bios) 868 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 869 else 870 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 871 } 872 873 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = { 874 .dpms = radeon_legacy_tmds_int_dpms, 875 .mode_fixup = radeon_legacy_mode_fixup, 876 .prepare = radeon_legacy_tmds_int_prepare, 877 .mode_set = radeon_legacy_tmds_int_mode_set, 878 .commit = radeon_legacy_tmds_int_commit, 879 .disable = radeon_legacy_encoder_disable, 880 }; 881 882 883 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = { 884 .destroy = radeon_enc_destroy, 885 }; 886 887 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode) 888 { 889 struct drm_device *dev = encoder->dev; 890 struct radeon_device *rdev = dev->dev_private; 891 uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 892 DRM_DEBUG_KMS("\n"); 893 894 switch (mode) { 895 case DRM_MODE_DPMS_ON: 896 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN; 897 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN); 898 break; 899 case DRM_MODE_DPMS_STANDBY: 900 case DRM_MODE_DPMS_SUSPEND: 901 case DRM_MODE_DPMS_OFF: 902 fp2_gen_cntl |= RADEON_FP2_BLANK_EN; 903 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN); 904 break; 905 } 906 907 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); 908 909 if (rdev->is_atom_bios) 910 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 911 else 912 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 913 914 } 915 916 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder) 917 { 918 struct radeon_device *rdev = encoder->dev->dev_private; 919 920 if (rdev->is_atom_bios) 921 radeon_atom_output_lock(encoder, true); 922 else 923 radeon_combios_output_lock(encoder, true); 924 radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF); 925 } 926 927 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder) 928 { 929 struct radeon_device *rdev = encoder->dev->dev_private; 930 radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON); 931 932 if (rdev->is_atom_bios) 933 radeon_atom_output_lock(encoder, false); 934 else 935 radeon_combios_output_lock(encoder, false); 936 } 937 938 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder, 939 struct drm_display_mode *mode, 940 struct drm_display_mode *adjusted_mode) 941 { 942 struct drm_device *dev = encoder->dev; 943 struct radeon_device *rdev = dev->dev_private; 944 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 945 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 946 uint32_t fp2_gen_cntl; 947 948 DRM_DEBUG_KMS("\n"); 949 950 if (rdev->is_atom_bios) { 951 radeon_encoder->pixel_clock = adjusted_mode->clock; 952 atombios_dvo_setup(encoder, ATOM_ENABLE); 953 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 954 } else { 955 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 956 957 if (1) /* FIXME rgbBits == 8 */ 958 fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */ 959 else 960 fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */ 961 962 fp2_gen_cntl &= ~(RADEON_FP2_ON | 963 RADEON_FP2_DVO_EN | 964 RADEON_FP2_DVO_RATE_SEL_SDR); 965 966 /* XXX: these are oem specific */ 967 if (ASIC_IS_R300(rdev)) { 968 if ((dev->pdev->device == 0x4850) && 969 (dev->pdev->subsystem_vendor == 0x1028) && 970 (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */ 971 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE; 972 else 973 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE; 974 975 /*if (mode->clock > 165000) 976 fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/ 977 } 978 if (!radeon_combios_external_tmds_setup(encoder)) 979 radeon_external_tmds_setup(encoder); 980 } 981 982 if (radeon_crtc->crtc_id == 0) { 983 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) { 984 fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK; 985 if (radeon_encoder->rmx_type != RMX_OFF) 986 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX; 987 else 988 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1; 989 } else 990 fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2; 991 } else { 992 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) { 993 fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK; 994 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2; 995 } else 996 fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2; 997 } 998 999 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); 1000 1001 if (rdev->is_atom_bios) 1002 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 1003 else 1004 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 1005 } 1006 1007 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder) 1008 { 1009 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1010 /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */ 1011 kfree(radeon_encoder->enc_priv); 1012 drm_encoder_cleanup(encoder); 1013 kfree(radeon_encoder); 1014 } 1015 1016 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = { 1017 .dpms = radeon_legacy_tmds_ext_dpms, 1018 .mode_fixup = radeon_legacy_mode_fixup, 1019 .prepare = radeon_legacy_tmds_ext_prepare, 1020 .mode_set = radeon_legacy_tmds_ext_mode_set, 1021 .commit = radeon_legacy_tmds_ext_commit, 1022 .disable = radeon_legacy_encoder_disable, 1023 }; 1024 1025 1026 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = { 1027 .destroy = radeon_ext_tmds_enc_destroy, 1028 }; 1029 1030 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode) 1031 { 1032 struct drm_device *dev = encoder->dev; 1033 struct radeon_device *rdev = dev->dev_private; 1034 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1035 uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0; 1036 uint32_t tv_master_cntl = 0; 1037 bool is_tv; 1038 DRM_DEBUG_KMS("\n"); 1039 1040 is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false; 1041 1042 if (rdev->family == CHIP_R200) 1043 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 1044 else { 1045 if (is_tv) 1046 tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL); 1047 else 1048 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); 1049 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 1050 } 1051 1052 switch (mode) { 1053 case DRM_MODE_DPMS_ON: 1054 if (rdev->family == CHIP_R200) { 1055 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN); 1056 } else { 1057 if (is_tv) 1058 tv_master_cntl |= RADEON_TV_ON; 1059 else 1060 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON; 1061 1062 if (rdev->family == CHIP_R420 || 1063 rdev->family == CHIP_R423 || 1064 rdev->family == CHIP_RV410) 1065 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD | 1066 R420_TV_DAC_GDACPD | 1067 R420_TV_DAC_BDACPD | 1068 RADEON_TV_DAC_BGSLEEP); 1069 else 1070 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD | 1071 RADEON_TV_DAC_GDACPD | 1072 RADEON_TV_DAC_BDACPD | 1073 RADEON_TV_DAC_BGSLEEP); 1074 } 1075 break; 1076 case DRM_MODE_DPMS_STANDBY: 1077 case DRM_MODE_DPMS_SUSPEND: 1078 case DRM_MODE_DPMS_OFF: 1079 if (rdev->family == CHIP_R200) 1080 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN); 1081 else { 1082 if (is_tv) 1083 tv_master_cntl &= ~RADEON_TV_ON; 1084 else 1085 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON; 1086 1087 if (rdev->family == CHIP_R420 || 1088 rdev->family == CHIP_R423 || 1089 rdev->family == CHIP_RV410) 1090 tv_dac_cntl |= (R420_TV_DAC_RDACPD | 1091 R420_TV_DAC_GDACPD | 1092 R420_TV_DAC_BDACPD | 1093 RADEON_TV_DAC_BGSLEEP); 1094 else 1095 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD | 1096 RADEON_TV_DAC_GDACPD | 1097 RADEON_TV_DAC_BDACPD | 1098 RADEON_TV_DAC_BGSLEEP); 1099 } 1100 break; 1101 } 1102 1103 if (rdev->family == CHIP_R200) { 1104 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); 1105 } else { 1106 if (is_tv) 1107 WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); 1108 /* handled in radeon_crtc_dpms() */ 1109 else if (!(rdev->flags & RADEON_SINGLE_CRTC)) 1110 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); 1111 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 1112 } 1113 1114 if (rdev->is_atom_bios) 1115 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 1116 else 1117 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false); 1118 1119 } 1120 1121 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder) 1122 { 1123 struct radeon_device *rdev = encoder->dev->dev_private; 1124 1125 if (rdev->is_atom_bios) 1126 radeon_atom_output_lock(encoder, true); 1127 else 1128 radeon_combios_output_lock(encoder, true); 1129 radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF); 1130 } 1131 1132 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder) 1133 { 1134 struct radeon_device *rdev = encoder->dev->dev_private; 1135 1136 radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON); 1137 1138 if (rdev->is_atom_bios) 1139 radeon_atom_output_lock(encoder, true); 1140 else 1141 radeon_combios_output_lock(encoder, true); 1142 } 1143 1144 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder, 1145 struct drm_display_mode *mode, 1146 struct drm_display_mode *adjusted_mode) 1147 { 1148 struct drm_device *dev = encoder->dev; 1149 struct radeon_device *rdev = dev->dev_private; 1150 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 1151 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1152 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 1153 uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0; 1154 uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0; 1155 bool is_tv = false; 1156 1157 DRM_DEBUG_KMS("\n"); 1158 1159 is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false; 1160 1161 if (rdev->family != CHIP_R200) { 1162 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 1163 if (rdev->family == CHIP_R420 || 1164 rdev->family == CHIP_R423 || 1165 rdev->family == CHIP_RV410) { 1166 tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK | 1167 RADEON_TV_DAC_BGADJ_MASK | 1168 R420_TV_DAC_DACADJ_MASK | 1169 R420_TV_DAC_RDACPD | 1170 R420_TV_DAC_GDACPD | 1171 R420_TV_DAC_BDACPD | 1172 R420_TV_DAC_TVENABLE); 1173 } else { 1174 tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK | 1175 RADEON_TV_DAC_BGADJ_MASK | 1176 RADEON_TV_DAC_DACADJ_MASK | 1177 RADEON_TV_DAC_RDACPD | 1178 RADEON_TV_DAC_GDACPD | 1179 RADEON_TV_DAC_BDACPD); 1180 } 1181 1182 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD; 1183 1184 if (is_tv) { 1185 if (tv_dac->tv_std == TV_STD_NTSC || 1186 tv_dac->tv_std == TV_STD_NTSC_J || 1187 tv_dac->tv_std == TV_STD_PAL_M || 1188 tv_dac->tv_std == TV_STD_PAL_60) 1189 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj; 1190 else 1191 tv_dac_cntl |= tv_dac->pal_tvdac_adj; 1192 1193 if (tv_dac->tv_std == TV_STD_NTSC || 1194 tv_dac->tv_std == TV_STD_NTSC_J) 1195 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC; 1196 else 1197 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL; 1198 } else 1199 tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 | 1200 tv_dac->ps2_tvdac_adj); 1201 1202 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 1203 } 1204 1205 if (ASIC_IS_R300(rdev)) { 1206 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1; 1207 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); 1208 } else if (rdev->family != CHIP_R200) 1209 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); 1210 else if (rdev->family == CHIP_R200) 1211 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 1212 1213 if (rdev->family >= CHIP_R200) 1214 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL); 1215 1216 if (is_tv) { 1217 uint32_t dac_cntl; 1218 1219 dac_cntl = RREG32(RADEON_DAC_CNTL); 1220 dac_cntl &= ~RADEON_DAC_TVO_EN; 1221 WREG32(RADEON_DAC_CNTL, dac_cntl); 1222 1223 if (ASIC_IS_R300(rdev)) 1224 gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1; 1225 1226 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL; 1227 if (radeon_crtc->crtc_id == 0) { 1228 if (ASIC_IS_R300(rdev)) { 1229 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK; 1230 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC | 1231 RADEON_DISP_TV_SOURCE_CRTC); 1232 } 1233 if (rdev->family >= CHIP_R200) { 1234 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2; 1235 } else { 1236 disp_hw_debug |= RADEON_CRT2_DISP1_SEL; 1237 } 1238 } else { 1239 if (ASIC_IS_R300(rdev)) { 1240 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK; 1241 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC; 1242 } 1243 if (rdev->family >= CHIP_R200) { 1244 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2; 1245 } else { 1246 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL; 1247 } 1248 } 1249 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 1250 } else { 1251 1252 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL; 1253 1254 if (radeon_crtc->crtc_id == 0) { 1255 if (ASIC_IS_R300(rdev)) { 1256 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK; 1257 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC; 1258 } else if (rdev->family == CHIP_R200) { 1259 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK | 1260 RADEON_FP2_DVO_RATE_SEL_SDR); 1261 } else 1262 disp_hw_debug |= RADEON_CRT2_DISP1_SEL; 1263 } else { 1264 if (ASIC_IS_R300(rdev)) { 1265 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK; 1266 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2; 1267 } else if (rdev->family == CHIP_R200) { 1268 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK | 1269 RADEON_FP2_DVO_RATE_SEL_SDR); 1270 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2; 1271 } else 1272 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL; 1273 } 1274 WREG32(RADEON_DAC_CNTL2, dac2_cntl); 1275 } 1276 1277 if (ASIC_IS_R300(rdev)) { 1278 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); 1279 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 1280 } else if (rdev->family != CHIP_R200) 1281 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); 1282 else if (rdev->family == CHIP_R200) 1283 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); 1284 1285 if (rdev->family >= CHIP_R200) 1286 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl); 1287 1288 if (is_tv) 1289 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode); 1290 1291 if (rdev->is_atom_bios) 1292 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 1293 else 1294 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id); 1295 1296 } 1297 1298 static bool r300_legacy_tv_detect(struct drm_encoder *encoder, 1299 struct drm_connector *connector) 1300 { 1301 struct drm_device *dev = encoder->dev; 1302 struct radeon_device *rdev = dev->dev_private; 1303 uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl; 1304 uint32_t disp_output_cntl, gpiopad_a, tmp; 1305 bool found = false; 1306 1307 /* save regs needed */ 1308 gpiopad_a = RREG32(RADEON_GPIOPAD_A); 1309 dac_cntl2 = RREG32(RADEON_DAC_CNTL2); 1310 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); 1311 dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL); 1312 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 1313 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); 1314 1315 WREG32_P(RADEON_GPIOPAD_A, 0, ~1); 1316 1317 WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL); 1318 1319 WREG32(RADEON_CRTC2_GEN_CNTL, 1320 RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT); 1321 1322 tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; 1323 tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; 1324 WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); 1325 1326 WREG32(RADEON_DAC_EXT_CNTL, 1327 RADEON_DAC2_FORCE_BLANK_OFF_EN | 1328 RADEON_DAC2_FORCE_DATA_EN | 1329 RADEON_DAC_FORCE_DATA_SEL_RGB | 1330 (0xec << RADEON_DAC_FORCE_DATA_SHIFT)); 1331 1332 WREG32(RADEON_TV_DAC_CNTL, 1333 RADEON_TV_DAC_STD_NTSC | 1334 (8 << RADEON_TV_DAC_BGADJ_SHIFT) | 1335 (6 << RADEON_TV_DAC_DACADJ_SHIFT)); 1336 1337 RREG32(RADEON_TV_DAC_CNTL); 1338 mdelay(4); 1339 1340 WREG32(RADEON_TV_DAC_CNTL, 1341 RADEON_TV_DAC_NBLANK | 1342 RADEON_TV_DAC_NHOLD | 1343 RADEON_TV_MONITOR_DETECT_EN | 1344 RADEON_TV_DAC_STD_NTSC | 1345 (8 << RADEON_TV_DAC_BGADJ_SHIFT) | 1346 (6 << RADEON_TV_DAC_DACADJ_SHIFT)); 1347 1348 RREG32(RADEON_TV_DAC_CNTL); 1349 mdelay(6); 1350 1351 tmp = RREG32(RADEON_TV_DAC_CNTL); 1352 if ((tmp & RADEON_TV_DAC_GDACDET) != 0) { 1353 found = true; 1354 DRM_DEBUG_KMS("S-video TV connection detected\n"); 1355 } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) { 1356 found = true; 1357 DRM_DEBUG_KMS("Composite TV connection detected\n"); 1358 } 1359 1360 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 1361 WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl); 1362 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); 1363 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 1364 WREG32(RADEON_DAC_CNTL2, dac_cntl2); 1365 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); 1366 return found; 1367 } 1368 1369 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder, 1370 struct drm_connector *connector) 1371 { 1372 struct drm_device *dev = encoder->dev; 1373 struct radeon_device *rdev = dev->dev_private; 1374 uint32_t tv_dac_cntl, dac_cntl2; 1375 uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp; 1376 bool found = false; 1377 1378 if (ASIC_IS_R300(rdev)) 1379 return r300_legacy_tv_detect(encoder, connector); 1380 1381 dac_cntl2 = RREG32(RADEON_DAC_CNTL2); 1382 tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL); 1383 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 1384 config_cntl = RREG32(RADEON_CONFIG_CNTL); 1385 tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL); 1386 1387 tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL; 1388 WREG32(RADEON_DAC_CNTL2, tmp); 1389 1390 tmp = tv_master_cntl | RADEON_TV_ON; 1391 tmp &= ~(RADEON_TV_ASYNC_RST | 1392 RADEON_RESTART_PHASE_FIX | 1393 RADEON_CRT_FIFO_CE_EN | 1394 RADEON_TV_FIFO_CE_EN | 1395 RADEON_RE_SYNC_NOW_SEL_MASK); 1396 tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST; 1397 WREG32(RADEON_TV_MASTER_CNTL, tmp); 1398 1399 tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD | 1400 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC | 1401 (8 << RADEON_TV_DAC_BGADJ_SHIFT); 1402 1403 if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK) 1404 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT); 1405 else 1406 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT); 1407 WREG32(RADEON_TV_DAC_CNTL, tmp); 1408 1409 tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN | 1410 RADEON_RED_MX_FORCE_DAC_DATA | 1411 RADEON_GRN_MX_FORCE_DAC_DATA | 1412 RADEON_BLU_MX_FORCE_DAC_DATA | 1413 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT); 1414 WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp); 1415 1416 mdelay(3); 1417 tmp = RREG32(RADEON_TV_DAC_CNTL); 1418 if (tmp & RADEON_TV_DAC_GDACDET) { 1419 found = true; 1420 DRM_DEBUG_KMS("S-video TV connection detected\n"); 1421 } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) { 1422 found = true; 1423 DRM_DEBUG_KMS("Composite TV connection detected\n"); 1424 } 1425 1426 WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl); 1427 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 1428 WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); 1429 WREG32(RADEON_DAC_CNTL2, dac_cntl2); 1430 return found; 1431 } 1432 1433 static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder, 1434 struct drm_connector *connector) 1435 { 1436 struct drm_device *dev = encoder->dev; 1437 struct radeon_device *rdev = dev->dev_private; 1438 uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl; 1439 uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c; 1440 uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f; 1441 uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp; 1442 uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid; 1443 bool found = false; 1444 int i; 1445 1446 /* save the regs we need */ 1447 gpio_monid = RREG32(RADEON_GPIO_MONID); 1448 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); 1449 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); 1450 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); 1451 disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A); 1452 disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B); 1453 disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C); 1454 disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D); 1455 disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E); 1456 disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F); 1457 crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP); 1458 crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP); 1459 crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID); 1460 crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID); 1461 1462 tmp = RREG32(RADEON_GPIO_MONID); 1463 tmp &= ~RADEON_GPIO_A_0; 1464 WREG32(RADEON_GPIO_MONID, tmp); 1465 1466 WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON | 1467 RADEON_FP2_PANEL_FORMAT | 1468 R200_FP2_SOURCE_SEL_TRANS_UNIT | 1469 RADEON_FP2_DVO_EN | 1470 R200_FP2_DVO_RATE_SEL_SDR)); 1471 1472 WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX | 1473 RADEON_DISP_TRANS_MATRIX_GRAPHICS)); 1474 1475 WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN | 1476 RADEON_CRTC2_DISP_REQ_EN_B)); 1477 1478 WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000); 1479 WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0); 1480 WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000); 1481 WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0); 1482 WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000); 1483 WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0); 1484 1485 WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008); 1486 WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800); 1487 WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001); 1488 WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080); 1489 1490 for (i = 0; i < 200; i++) { 1491 tmp = RREG32(RADEON_GPIO_MONID); 1492 if (tmp & RADEON_GPIO_Y_0) 1493 found = true; 1494 1495 if (found) 1496 break; 1497 1498 if (!drm_can_sleep()) 1499 mdelay(1); 1500 else 1501 msleep(1); 1502 } 1503 1504 /* restore the regs we used */ 1505 WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a); 1506 WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b); 1507 WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c); 1508 WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d); 1509 WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e); 1510 WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f); 1511 WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp); 1512 WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp); 1513 WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid); 1514 WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid); 1515 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); 1516 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 1517 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); 1518 WREG32(RADEON_GPIO_MONID, gpio_monid); 1519 1520 return found; 1521 } 1522 1523 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder, 1524 struct drm_connector *connector) 1525 { 1526 struct drm_device *dev = encoder->dev; 1527 struct radeon_device *rdev = dev->dev_private; 1528 uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl; 1529 uint32_t gpiopad_a = 0, pixclks_cntl, tmp; 1530 uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0; 1531 enum drm_connector_status found = connector_status_disconnected; 1532 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 1533 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 1534 bool color = true; 1535 struct drm_crtc *crtc; 1536 1537 /* find out if crtc2 is in use or if this encoder is using it */ 1538 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1539 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1540 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) { 1541 if (encoder->crtc != crtc) { 1542 return connector_status_disconnected; 1543 } 1544 } 1545 } 1546 1547 if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO || 1548 connector->connector_type == DRM_MODE_CONNECTOR_Composite || 1549 connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) { 1550 bool tv_detect; 1551 1552 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT)) 1553 return connector_status_disconnected; 1554 1555 tv_detect = radeon_legacy_tv_detect(encoder, connector); 1556 if (tv_detect && tv_dac) 1557 found = connector_status_connected; 1558 return found; 1559 } 1560 1561 /* don't probe if the encoder is being used for something else not CRT related */ 1562 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) { 1563 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device); 1564 return connector_status_disconnected; 1565 } 1566 1567 /* R200 uses an external DAC for secondary DAC */ 1568 if (rdev->family == CHIP_R200) { 1569 if (radeon_legacy_ext_dac_detect(encoder, connector)) 1570 found = connector_status_connected; 1571 return found; 1572 } 1573 1574 /* save the regs we need */ 1575 pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL); 1576 1577 if (rdev->flags & RADEON_SINGLE_CRTC) { 1578 crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); 1579 } else { 1580 if (ASIC_IS_R300(rdev)) { 1581 gpiopad_a = RREG32(RADEON_GPIOPAD_A); 1582 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); 1583 } else { 1584 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); 1585 } 1586 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); 1587 } 1588 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); 1589 dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL); 1590 dac_cntl2 = RREG32(RADEON_DAC_CNTL2); 1591 1592 tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb 1593 | RADEON_PIX2CLK_DAC_ALWAYS_ONb); 1594 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 1595 1596 if (rdev->flags & RADEON_SINGLE_CRTC) { 1597 tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON; 1598 WREG32(RADEON_CRTC_EXT_CNTL, tmp); 1599 } else { 1600 tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; 1601 tmp |= RADEON_CRTC2_CRT2_ON | 1602 (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); 1603 WREG32(RADEON_CRTC2_GEN_CNTL, tmp); 1604 1605 if (ASIC_IS_R300(rdev)) { 1606 WREG32_P(RADEON_GPIOPAD_A, 1, ~1); 1607 tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; 1608 tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; 1609 WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); 1610 } else { 1611 tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; 1612 WREG32(RADEON_DISP_HW_DEBUG, tmp); 1613 } 1614 } 1615 1616 tmp = RADEON_TV_DAC_NBLANK | 1617 RADEON_TV_DAC_NHOLD | 1618 RADEON_TV_MONITOR_DETECT_EN | 1619 RADEON_TV_DAC_STD_PS2; 1620 1621 WREG32(RADEON_TV_DAC_CNTL, tmp); 1622 1623 tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN | 1624 RADEON_DAC2_FORCE_DATA_EN; 1625 1626 if (color) 1627 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB; 1628 else 1629 tmp |= RADEON_DAC_FORCE_DATA_SEL_G; 1630 1631 if (ASIC_IS_R300(rdev)) 1632 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); 1633 else 1634 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); 1635 1636 WREG32(RADEON_DAC_EXT_CNTL, tmp); 1637 1638 tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN; 1639 WREG32(RADEON_DAC_CNTL2, tmp); 1640 1641 mdelay(10); 1642 1643 if (ASIC_IS_R300(rdev)) { 1644 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B) 1645 found = connector_status_connected; 1646 } else { 1647 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT) 1648 found = connector_status_connected; 1649 } 1650 1651 /* restore regs we used */ 1652 WREG32(RADEON_DAC_CNTL2, dac_cntl2); 1653 WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl); 1654 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 1655 1656 if (rdev->flags & RADEON_SINGLE_CRTC) { 1657 WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); 1658 } else { 1659 WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); 1660 if (ASIC_IS_R300(rdev)) { 1661 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); 1662 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); 1663 } else { 1664 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); 1665 } 1666 } 1667 1668 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); 1669 1670 return found; 1671 1672 } 1673 1674 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = { 1675 .dpms = radeon_legacy_tv_dac_dpms, 1676 .mode_fixup = radeon_legacy_mode_fixup, 1677 .prepare = radeon_legacy_tv_dac_prepare, 1678 .mode_set = radeon_legacy_tv_dac_mode_set, 1679 .commit = radeon_legacy_tv_dac_commit, 1680 .detect = radeon_legacy_tv_dac_detect, 1681 .disable = radeon_legacy_encoder_disable, 1682 }; 1683 1684 1685 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = { 1686 .destroy = radeon_enc_destroy, 1687 }; 1688 1689 1690 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder) 1691 { 1692 struct drm_device *dev = encoder->base.dev; 1693 struct radeon_device *rdev = dev->dev_private; 1694 struct radeon_encoder_int_tmds *tmds = NULL; 1695 bool ret; 1696 1697 tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL); 1698 1699 if (!tmds) 1700 return NULL; 1701 1702 if (rdev->is_atom_bios) 1703 ret = radeon_atombios_get_tmds_info(encoder, tmds); 1704 else 1705 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds); 1706 1707 if (ret == false) 1708 radeon_legacy_get_tmds_info_from_table(encoder, tmds); 1709 1710 return tmds; 1711 } 1712 1713 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder) 1714 { 1715 struct drm_device *dev = encoder->base.dev; 1716 struct radeon_device *rdev = dev->dev_private; 1717 struct radeon_encoder_ext_tmds *tmds = NULL; 1718 bool ret; 1719 1720 if (rdev->is_atom_bios) 1721 return NULL; 1722 1723 tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL); 1724 1725 if (!tmds) 1726 return NULL; 1727 1728 ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds); 1729 1730 if (ret == false) 1731 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds); 1732 1733 return tmds; 1734 } 1735 1736 void 1737 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device) 1738 { 1739 struct radeon_device *rdev = dev->dev_private; 1740 struct drm_encoder *encoder; 1741 struct radeon_encoder *radeon_encoder; 1742 1743 /* see if we already added it */ 1744 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1745 radeon_encoder = to_radeon_encoder(encoder); 1746 if (radeon_encoder->encoder_enum == encoder_enum) { 1747 radeon_encoder->devices |= supported_device; 1748 return; 1749 } 1750 1751 } 1752 1753 /* add a new one */ 1754 radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL); 1755 if (!radeon_encoder) 1756 return; 1757 1758 encoder = &radeon_encoder->base; 1759 if (rdev->flags & RADEON_SINGLE_CRTC) 1760 encoder->possible_crtcs = 0x1; 1761 else 1762 encoder->possible_crtcs = 0x3; 1763 1764 radeon_encoder->enc_priv = NULL; 1765 1766 radeon_encoder->encoder_enum = encoder_enum; 1767 radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT; 1768 radeon_encoder->devices = supported_device; 1769 radeon_encoder->rmx_type = RMX_OFF; 1770 1771 switch (radeon_encoder->encoder_id) { 1772 case ENCODER_OBJECT_ID_INTERNAL_LVDS: 1773 encoder->possible_crtcs = 0x1; 1774 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS); 1775 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs); 1776 if (rdev->is_atom_bios) 1777 radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder); 1778 else 1779 radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder); 1780 radeon_encoder->rmx_type = RMX_FULL; 1781 break; 1782 case ENCODER_OBJECT_ID_INTERNAL_TMDS1: 1783 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs, DRM_MODE_ENCODER_TMDS); 1784 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs); 1785 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder); 1786 break; 1787 case ENCODER_OBJECT_ID_INTERNAL_DAC1: 1788 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs, DRM_MODE_ENCODER_DAC); 1789 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs); 1790 if (rdev->is_atom_bios) 1791 radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder); 1792 else 1793 radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder); 1794 break; 1795 case ENCODER_OBJECT_ID_INTERNAL_DAC2: 1796 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs, DRM_MODE_ENCODER_TVDAC); 1797 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs); 1798 if (rdev->is_atom_bios) 1799 radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder); 1800 else 1801 radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder); 1802 break; 1803 case ENCODER_OBJECT_ID_INTERNAL_DVO1: 1804 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs, DRM_MODE_ENCODER_TMDS); 1805 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs); 1806 if (!rdev->is_atom_bios) 1807 radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder); 1808 break; 1809 } 1810 } 1811