drivers/gpu/drm/gma500/cdv_device.c

   1 /**************************************************************************
   2  * Copyright (c) 2011, Intel Corporation.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  **************************************************************************/
  19
  20 #include <linux/backlight.h>
  21 #include <drm/drmP.h>
  22 #include <drm/drm.h>
  23 #include <drm/gma_drm.h>
  24 #include "psb_drv.h"
  25 #include "psb_reg.h"
  26 #include "psb_intel_reg.h"
  27 #include "intel_bios.h"
  28 #include "cdv_device.h"
  29 #include "gma_device.h"
  30
  31 #define VGA_SR_INDEX            0x3c4
  32 #define VGA_SR_DATA             0x3c5
  33
  34 static void cdv_disable_vga(struct drm_device *dev)
  35 {
  36         u8 sr1;
  37         u32 vga_reg;
  38
  39         vga_reg = VGACNTRL;
  40
  41         outb(1, VGA_SR_INDEX);
  42         sr1 = inb(VGA_SR_DATA);
  43         outb(sr1 | 1<<5, VGA_SR_DATA);
  44         udelay(300);
  45
  46         REG_WRITE(vga_reg, VGA_DISP_DISABLE);
  47         REG_READ(vga_reg);
  48 }
  49
  50 static int cdv_output_init(struct drm_device *dev)
  51 {
  52         struct drm_psb_private *dev_priv = dev->dev_private;
  53
  54         drm_mode_create_scaling_mode_property(dev);
  55
  56         cdv_disable_vga(dev);
  57
  58         cdv_intel_crt_init(dev, &dev_priv->mode_dev);
  59         cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
  60
  61         /* These bits indicate HDMI not SDVO on CDV */
  62         if (REG_READ(SDVOB) & SDVO_DETECTED) {
  63                 cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
  64                 if (REG_READ(DP_B) & DP_DETECTED)
  65                         cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_B);
  66         }
  67
  68         if (REG_READ(SDVOC) & SDVO_DETECTED) {
  69                 cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
  70                 if (REG_READ(DP_C) & DP_DETECTED)
  71                         cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
  72         }
  73         return 0;
  74 }
  75
  76 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
  77
  78 /*
  79  *      Cedartrail Backlght Interfaces
  80  */
  81
  82 static struct backlight_device *cdv_backlight_device;
  83
  84 static int cdv_backlight_combination_mode(struct drm_device *dev)
  85 {
  86         return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE;
  87 }
  88
  89 static u32 cdv_get_max_backlight(struct drm_device *dev)
  90 {
  91         u32 max = REG_READ(BLC_PWM_CTL);
  92
  93         if (max == 0) {
  94                 DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n");
  95                 /* i915 does this, I believe which means that we should not
  96                  * smash PWM control as firmware will take control of it. */
  97                 return 1;
  98         }
  99
 100         max >>= 16;
 101         if (cdv_backlight_combination_mode(dev))
 102                 max *= 0xff;
 103         return max;
 104 }
 105
 106 static int cdv_get_brightness(struct backlight_device *bd)
 107 {
 108         struct drm_device *dev = bl_get_data(bd);
 109         u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
 110
 111         if (cdv_backlight_combination_mode(dev)) {
 112                 u8 lbpc;
 113
 114                 val &= ~1;
 115                 pci_read_config_byte(dev->pdev, 0xF4, &lbpc);
 116                 val *= lbpc;
 117         }
 118         return (val * 100)/cdv_get_max_backlight(dev);
 119
 120 }
 121
 122 static int cdv_set_brightness(struct backlight_device *bd)
 123 {
 124         struct drm_device *dev = bl_get_data(bd);
 125         int level = bd->props.brightness;
 126         u32 blc_pwm_ctl;
 127
 128         /* Percentage 1-100% being valid */
 129         if (level < 1)
 130                 level = 1;
 131
 132         level *= cdv_get_max_backlight(dev);
 133         level /= 100;
 134
 135         if (cdv_backlight_combination_mode(dev)) {
 136                 u32 max = cdv_get_max_backlight(dev);
 137                 u8 lbpc;
 138
 139                 lbpc = level * 0xfe / max + 1;
 140                 level /= lbpc;
 141
 142                 pci_write_config_byte(dev->pdev, 0xF4, lbpc);
 143         }
 144
 145         blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
 146         REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
 147                                 (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
 148         return 0;
 149 }
 150
 151 static const struct backlight_ops cdv_ops = {
 152         .get_brightness = cdv_get_brightness,
 153         .update_status  = cdv_set_brightness,
 154 };
 155
 156 static int cdv_backlight_init(struct drm_device *dev)
 157 {
 158         struct drm_psb_private *dev_priv = dev->dev_private;
 159         struct backlight_properties props;
 160
 161         memset(&props, 0, sizeof(struct backlight_properties));
 162         props.max_brightness = 100;
 163         props.type = BACKLIGHT_PLATFORM;
 164
 165         cdv_backlight_device = backlight_device_register("psb-bl",
 166                                         NULL, (void *)dev, &cdv_ops, &props);
 167         if (IS_ERR(cdv_backlight_device))
 168                 return PTR_ERR(cdv_backlight_device);
 169
 170         cdv_backlight_device->props.brightness =
 171                         cdv_get_brightness(cdv_backlight_device);
 172         backlight_update_status(cdv_backlight_device);
 173         dev_priv->backlight_device = cdv_backlight_device;
 174         dev_priv->backlight_enabled = true;
 175         return 0;
 176 }
 177
 178 #endif
 179
 180 /*
 181  *      Provide the Cedarview specific chip logic and low level methods
 182  *      for power management
 183  *
 184  *      FIXME: we need to implement the apm/ospm base management bits
 185  *      for this and the MID devices.
 186  */
 187
 188 static inline u32 CDV_MSG_READ32(int domain, uint port, uint offset)
 189 {
 190         int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 191         uint32_t ret_val = 0;
 192         struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 193         pci_write_config_dword(pci_root, 0xD0, mcr);
 194         pci_read_config_dword(pci_root, 0xD4, &ret_val);
 195         pci_dev_put(pci_root);
 196         return ret_val;
 197 }
 198
 199 static inline void CDV_MSG_WRITE32(int domain, uint port, uint offset,
 200                                    u32 value)
 201 {
 202         int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 203         struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 204         pci_write_config_dword(pci_root, 0xD4, value);
 205         pci_write_config_dword(pci_root, 0xD0, mcr);
 206         pci_dev_put(pci_root);
 207 }
 208
 209 #define PSB_PM_SSC                      0x20
 210 #define PSB_PM_SSS                      0x30
 211 #define PSB_PWRGT_GFX_ON                0x02
 212 #define PSB_PWRGT_GFX_OFF               0x01
 213 #define PSB_PWRGT_GFX_D0                0x00
 214 #define PSB_PWRGT_GFX_D3                0x03
 215
 216 static void cdv_init_pm(struct drm_device *dev)
 217 {
 218         struct drm_psb_private *dev_priv = dev->dev_private;
 219         u32 pwr_cnt;
 220         int domain = pci_domain_nr(dev->pdev->bus);
 221         int i;
 222
 223         dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
 224                                                         PSB_APMBA) & 0xFFFF;
 225         dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
 226                                                         PSB_OSPMBA) & 0xFFFF;
 227
 228         /* Power status */
 229         pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
 230
 231         /* Enable the GPU */
 232         pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
 233         pwr_cnt |= PSB_PWRGT_GFX_ON;
 234         outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
 235
 236         /* Wait for the GPU power */
 237         for (i = 0; i < 5; i++) {
 238                 u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
 239                 if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
 240                         return;
 241                 udelay(10);
 242         }
 243         dev_err(dev->dev, "GPU: power management timed out.\n");
 244 }
 245
 246 static void cdv_errata(struct drm_device *dev)
 247 {
 248         /* Disable bonus launch.
 249          *      CPU and GPU competes for memory and display misses updates and
 250          *      flickers. Worst with dual core, dual displays.
 251          *
 252          *      Fixes were done to Win 7 gfx driver to disable a feature called
 253          *      Bonus Launch to work around the issue, by degrading
 254          *      performance.
 255          */
 256          CDV_MSG_WRITE32(pci_domain_nr(dev->pdev->bus), 3, 0x30, 0x08027108);
 257 }
 258
 259 /**
 260  *      cdv_save_display_registers      -       save registers lost on suspend
 261  *      @dev: our DRM device
 262  *
 263  *      Save the state we need in order to be able to restore the interface
 264  *      upon resume from suspend
 265  */
 266 static int cdv_save_display_registers(struct drm_device *dev)
 267 {
 268         struct drm_psb_private *dev_priv = dev->dev_private;
 269         struct psb_save_area *regs = &dev_priv->regs;
 270         struct drm_connector *connector;
 271
 272         dev_dbg(dev->dev, "Saving GPU registers.\n");
 273
 274         pci_read_config_byte(dev->pdev, 0xF4, &regs->cdv.saveLBB);
 275
 276         regs->cdv.saveDSPCLK_GATE_D = REG_READ(DSPCLK_GATE_D);
 277         regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);
 278
 279         regs->cdv.saveDSPARB = REG_READ(DSPARB);
 280         regs->cdv.saveDSPFW[0] = REG_READ(DSPFW1);
 281         regs->cdv.saveDSPFW[1] = REG_READ(DSPFW2);
 282         regs->cdv.saveDSPFW[2] = REG_READ(DSPFW3);
 283         regs->cdv.saveDSPFW[3] = REG_READ(DSPFW4);
 284         regs->cdv.saveDSPFW[4] = REG_READ(DSPFW5);
 285         regs->cdv.saveDSPFW[5] = REG_READ(DSPFW6);
 286
 287         regs->cdv.saveADPA = REG_READ(ADPA);
 288
 289         regs->cdv.savePP_CONTROL = REG_READ(PP_CONTROL);
 290         regs->cdv.savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
 291         regs->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
 292         regs->saveBLC_PWM_CTL2 = REG_READ(BLC_PWM_CTL2);
 293         regs->cdv.saveLVDS = REG_READ(LVDS);
 294
 295         regs->cdv.savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
 296
 297         regs->cdv.savePP_ON_DELAYS = REG_READ(PP_ON_DELAYS);
 298         regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
 299         regs->cdv.savePP_CYCLE = REG_READ(PP_CYCLE);
 300
 301         regs->cdv.saveVGACNTRL = REG_READ(VGACNTRL);
 302
 303         regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R);
 304         regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R);
 305
 306         list_for_each_entry(connector, &dev->mode_config.connector_list, head)
 307                 connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
 308
 309         return 0;
 310 }
 311
 312 /**
 313  *      cdv_restore_display_registers   -       restore lost register state
 314  *      @dev: our DRM device
 315  *
 316  *      Restore register state that was lost during suspend and resume.
 317  *
 318  *      FIXME: review
 319  */
 320 static int cdv_restore_display_registers(struct drm_device *dev)
 321 {
 322         struct drm_psb_private *dev_priv = dev->dev_private;
 323         struct psb_save_area *regs = &dev_priv->regs;
 324         struct drm_connector *connector;
 325         u32 temp;
 326
 327         pci_write_config_byte(dev->pdev, 0xF4, regs->cdv.saveLBB);
 328
 329         REG_WRITE(DSPCLK_GATE_D, regs->cdv.saveDSPCLK_GATE_D);
 330         REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);
 331
 332         /* BIOS does below anyway */
 333         REG_WRITE(DPIO_CFG, 0);
 334         REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
 335
 336         temp = REG_READ(DPLL_A);
 337         if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
 338                 REG_WRITE(DPLL_A, temp | DPLL_SYNCLOCK_ENABLE);
 339                 REG_READ(DPLL_A);
 340         }
 341
 342         temp = REG_READ(DPLL_B);
 343         if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
 344                 REG_WRITE(DPLL_B, temp | DPLL_SYNCLOCK_ENABLE);
 345                 REG_READ(DPLL_B);
 346         }
 347
 348         udelay(500);
 349
 350         REG_WRITE(DSPFW1, regs->cdv.saveDSPFW[0]);
 351         REG_WRITE(DSPFW2, regs->cdv.saveDSPFW[1]);
 352         REG_WRITE(DSPFW3, regs->cdv.saveDSPFW[2]);
 353         REG_WRITE(DSPFW4, regs->cdv.saveDSPFW[3]);
 354         REG_WRITE(DSPFW5, regs->cdv.saveDSPFW[4]);
 355         REG_WRITE(DSPFW6, regs->cdv.saveDSPFW[5]);
 356
 357         REG_WRITE(DSPARB, regs->cdv.saveDSPARB);
 358         REG_WRITE(ADPA, regs->cdv.saveADPA);
 359
 360         REG_WRITE(BLC_PWM_CTL2, regs->saveBLC_PWM_CTL2);
 361         REG_WRITE(LVDS, regs->cdv.saveLVDS);
 362         REG_WRITE(PFIT_CONTROL, regs->cdv.savePFIT_CONTROL);
 363         REG_WRITE(PFIT_PGM_RATIOS, regs->cdv.savePFIT_PGM_RATIOS);
 364         REG_WRITE(BLC_PWM_CTL, regs->saveBLC_PWM_CTL);
 365         REG_WRITE(PP_ON_DELAYS, regs->cdv.savePP_ON_DELAYS);
 366         REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
 367         REG_WRITE(PP_CYCLE, regs->cdv.savePP_CYCLE);
 368         REG_WRITE(PP_CONTROL, regs->cdv.savePP_CONTROL);
 369
 370         REG_WRITE(VGACNTRL, regs->cdv.saveVGACNTRL);
 371
 372         REG_WRITE(PSB_INT_ENABLE_R, regs->cdv.saveIER);
 373         REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR);
 374
 375         /* Fix arbitration bug */
 376         cdv_errata(dev);
 377
 378         drm_mode_config_reset(dev);
 379
 380         list_for_each_entry(connector, &dev->mode_config.connector_list, head)
 381                 connector->funcs->dpms(connector, DRM_MODE_DPMS_ON);
 382
 383         /* Resume the modeset for every activated CRTC */
 384         drm_helper_resume_force_mode(dev);
 385         return 0;
 386 }
 387
 388 static int cdv_power_down(struct drm_device *dev)
 389 {
 390         struct drm_psb_private *dev_priv = dev->dev_private;
 391         u32 pwr_cnt, pwr_mask, pwr_sts;
 392         int tries = 5;
 393
 394         pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
 395         pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
 396         pwr_cnt |= PSB_PWRGT_GFX_OFF;
 397         pwr_mask = PSB_PWRGT_GFX_MASK;
 398
 399         outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
 400
 401         while (tries--) {
 402                 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
 403                 if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D3)
 404                         return 0;
 405                 udelay(10);
 406         }
 407         return 0;
 408 }
 409
 410 static int cdv_power_up(struct drm_device *dev)
 411 {
 412         struct drm_psb_private *dev_priv = dev->dev_private;
 413         u32 pwr_cnt, pwr_mask, pwr_sts;
 414         int tries = 5;
 415
 416         pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
 417         pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
 418         pwr_cnt |= PSB_PWRGT_GFX_ON;
 419         pwr_mask = PSB_PWRGT_GFX_MASK;
 420
 421         outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
 422
 423         while (tries--) {
 424                 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
 425                 if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D0)
 426                         return 0;
 427                 udelay(10);
 428         }
 429         return 0;
 430 }
 431
 432 static void cdv_hotplug_work_func(struct work_struct *work)
 433 {
 434         struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
 435                                                         hotplug_work);
 436         struct drm_device *dev = dev_priv->dev;
 437
 438         /* Just fire off a uevent and let userspace tell us what to do */
 439         drm_helper_hpd_irq_event(dev);
 440 }
 441
 442 /* The core driver has received a hotplug IRQ. We are in IRQ context
 443    so extract the needed information and kick off queued processing */
 444
 445 static int cdv_hotplug_event(struct drm_device *dev)
 446 {
 447         struct drm_psb_private *dev_priv = dev->dev_private;
 448         schedule_work(&dev_priv->hotplug_work);
 449         REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
 450         return 1;
 451 }
 452
 453 static void cdv_hotplug_enable(struct drm_device *dev, bool on)
 454 {
 455         if (on) {
 456                 u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
 457                 hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN |
 458                            HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN;
 459                 REG_WRITE(PORT_HOTPLUG_EN, hotplug);
 460         }  else {
 461                 REG_WRITE(PORT_HOTPLUG_EN, 0);
 462                 REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
 463         }
 464 }
 465
 466 static const char *force_audio_names[] = {
 467         "off",
 468         "auto",
 469         "on",
 470 };
 471
 472 void cdv_intel_attach_force_audio_property(struct drm_connector *connector)
 473 {
 474         struct drm_device *dev = connector->dev;
 475         struct drm_psb_private *dev_priv = dev->dev_private;
 476         struct drm_property *prop;
 477         int i;
 478
 479         prop = dev_priv->force_audio_property;
 480         if (prop == NULL) {
 481                 prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
 482                                            "audio",
 483                                            ARRAY_SIZE(force_audio_names));
 484                 if (prop == NULL)
 485                         return;
 486
 487                 for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
 488                         drm_property_add_enum(prop, i-1, force_audio_names[i]);
 489
 490                 dev_priv->force_audio_property = prop;
 491         }
 492         drm_object_attach_property(&connector->base, prop, 0);
 493 }
 494
 495
 496 static const char *broadcast_rgb_names[] = {
 497         "Full",
 498         "Limited 16:235",
 499 };
 500
 501 void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector)
 502 {
 503         struct drm_device *dev = connector->dev;
 504         struct drm_psb_private *dev_priv = dev->dev_private;
 505         struct drm_property *prop;
 506         int i;
 507
 508         prop = dev_priv->broadcast_rgb_property;
 509         if (prop == NULL) {
 510                 prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
 511                                            "Broadcast RGB",
 512                                            ARRAY_SIZE(broadcast_rgb_names));
 513                 if (prop == NULL)
 514                         return;
 515
 516                 for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
 517                         drm_property_add_enum(prop, i, broadcast_rgb_names[i]);
 518
 519                 dev_priv->broadcast_rgb_property = prop;
 520         }
 521
 522         drm_object_attach_property(&connector->base, prop, 0);
 523 }
 524
 525 /* Cedarview */
 526 static const struct psb_offset cdv_regmap[2] = {
 527         {
 528                 .fp0 = FPA0,
 529                 .fp1 = FPA1,
 530                 .cntr = DSPACNTR,
 531                 .conf = PIPEACONF,
 532                 .src = PIPEASRC,
 533                 .dpll = DPLL_A,
 534                 .dpll_md = DPLL_A_MD,
 535                 .htotal = HTOTAL_A,
 536                 .hblank = HBLANK_A,
 537                 .hsync = HSYNC_A,
 538                 .vtotal = VTOTAL_A,
 539                 .vblank = VBLANK_A,
 540                 .vsync = VSYNC_A,
 541                 .stride = DSPASTRIDE,
 542                 .size = DSPASIZE,
 543                 .pos = DSPAPOS,
 544                 .base = DSPABASE,
 545                 .surf = DSPASURF,
 546                 .addr = DSPABASE,
 547                 .status = PIPEASTAT,
 548                 .linoff = DSPALINOFF,
 549                 .tileoff = DSPATILEOFF,
 550                 .palette = PALETTE_A,
 551         },
 552         {
 553                 .fp0 = FPB0,
 554                 .fp1 = FPB1,
 555                 .cntr = DSPBCNTR,
 556                 .conf = PIPEBCONF,
 557                 .src = PIPEBSRC,
 558                 .dpll = DPLL_B,
 559                 .dpll_md = DPLL_B_MD,
 560                 .htotal = HTOTAL_B,
 561                 .hblank = HBLANK_B,
 562                 .hsync = HSYNC_B,
 563                 .vtotal = VTOTAL_B,
 564                 .vblank = VBLANK_B,
 565                 .vsync = VSYNC_B,
 566                 .stride = DSPBSTRIDE,
 567                 .size = DSPBSIZE,
 568                 .pos = DSPBPOS,
 569                 .base = DSPBBASE,
 570                 .surf = DSPBSURF,
 571                 .addr = DSPBBASE,
 572                 .status = PIPEBSTAT,
 573                 .linoff = DSPBLINOFF,
 574                 .tileoff = DSPBTILEOFF,
 575                 .palette = PALETTE_B,
 576         }
 577 };
 578
 579 static int cdv_chip_setup(struct drm_device *dev)
 580 {
 581         struct drm_psb_private *dev_priv = dev->dev_private;
 582         INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func);
 583
 584         if (pci_enable_msi(dev->pdev))
 585                 dev_warn(dev->dev, "Enabling MSI failed!\n");
 586         dev_priv->regmap = cdv_regmap;
 587         gma_get_core_freq(dev);
 588         psb_intel_opregion_init(dev);
 589         psb_intel_init_bios(dev);
 590         cdv_hotplug_enable(dev, false);
 591         return 0;
 592 }
 593
 594 /* CDV is much like Poulsbo but has MID like SGX offsets and PM */
 595
 596 const struct psb_ops cdv_chip_ops = {
 597         .name = "GMA3600/3650",
 598         .accel_2d = 0,
 599         .pipes = 2,
 600         .crtcs = 2,
 601         .hdmi_mask = (1 << 0) | (1 << 1),
 602         .lvds_mask = (1 << 1),
 603         .sdvo_mask = (1 << 0),
 604         .cursor_needs_phys = 0,
 605         .sgx_offset = MRST_SGX_OFFSET,
 606         .chip_setup = cdv_chip_setup,
 607         .errata = cdv_errata,
 608
 609         .crtc_helper = &cdv_intel_helper_funcs,
 610         .crtc_funcs = &cdv_intel_crtc_funcs,
 611         .clock_funcs = &cdv_clock_funcs,
 612
 613         .output_init = cdv_output_init,
 614         .hotplug = cdv_hotplug_event,
 615         .hotplug_enable = cdv_hotplug_enable,
 616
 617 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 618         .backlight_init = cdv_backlight_init,
 619 #endif
 620
 621         .init_pm = cdv_init_pm,
 622         .save_regs = cdv_save_display_registers,
 623         .restore_regs = cdv_restore_display_registers,
 624         .save_crtc = gma_crtc_save,
 625         .restore_crtc = gma_crtc_restore,
 626         .power_down = cdv_power_down,
 627         .power_up = cdv_power_up,
 628         .update_wm = cdv_update_wm,
 629         .disable_sr = cdv_disable_sr,
 630 };