drivers/gpu/drm/gma500/psb_drv.h

   1 /**************************************************************************
   2  * Copyright (c) 2007-2011, 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 #ifndef _PSB_DRV_H_
  21 #define _PSB_DRV_H_
  22
  23 #include <linux/kref.h>
  24
  25 #include <drm/drmP.h>
  26 #include <drm/drm_global.h>
  27 #include "gem_glue.h"
  28 #include <drm/gma_drm.h>
  29 #include "psb_reg.h"
  30 #include "psb_intel_drv.h"
  31 #include "gtt.h"
  32 #include "power.h"
  33 #include "opregion.h"
  34 #include "oaktrail.h"
  35
  36 /* Append new drm mode definition here, align with libdrm definition */
  37 #define DRM_MODE_SCALE_NO_SCALE         2
  38
  39 enum {
  40         CHIP_PSB_8108 = 0,              /* Poulsbo */
  41         CHIP_PSB_8109 = 1,              /* Poulsbo */
  42         CHIP_MRST_4100 = 2,             /* Moorestown/Oaktrail */
  43         CHIP_MFLD_0130 = 3,             /* Medfield */
  44 };
  45
  46 #define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108)
  47 #define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
  48 #define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130)
  49
  50 /*
  51  * Driver definitions
  52  */
  53
  54 #define DRIVER_NAME "gma500"
  55 #define DRIVER_DESC "DRM driver for the Intel GMA500"
  56
  57 #define PSB_DRM_DRIVER_DATE "2011-06-06"
  58 #define PSB_DRM_DRIVER_MAJOR 1
  59 #define PSB_DRM_DRIVER_MINOR 0
  60 #define PSB_DRM_DRIVER_PATCHLEVEL 0
  61
  62 /*
  63  *      Hardware offsets
  64  */
  65 #define PSB_VDC_OFFSET           0x00000000
  66 #define PSB_VDC_SIZE             0x000080000
  67 #define MRST_MMIO_SIZE           0x0000C0000
  68 #define MDFLD_MMIO_SIZE          0x000100000
  69 #define PSB_SGX_SIZE             0x8000
  70 #define PSB_SGX_OFFSET           0x00040000
  71 #define MRST_SGX_OFFSET          0x00080000
  72 /*
  73  *      PCI resource identifiers
  74  */
  75 #define PSB_MMIO_RESOURCE        0
  76 #define PSB_GATT_RESOURCE        2
  77 #define PSB_GTT_RESOURCE         3
  78 /*
  79  *      PCI configuration
  80  */
  81 #define PSB_GMCH_CTRL            0x52
  82 #define PSB_BSM                  0x5C
  83 #define _PSB_GMCH_ENABLED        0x4
  84 #define PSB_PGETBL_CTL           0x2020
  85 #define _PSB_PGETBL_ENABLED      0x00000001
  86 #define PSB_SGX_2D_SLAVE_PORT    0x4000
  87
  88 /* To get rid of */
  89 #define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
  90 #define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
  91
  92 /*
  93  *      SGX side MMU definitions (these can probably go)
  94  */
  95
  96 /*
  97  *      Flags for external memory type field.
  98  */
  99 #define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
 100 #define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
 101 #define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
 102 /*
 103  *      PTE's and PDE's
 104  */
 105 #define PSB_PDE_MASK              0x003FFFFF
 106 #define PSB_PDE_SHIFT             22
 107 #define PSB_PTE_SHIFT             12
 108 /*
 109  *      Cache control
 110  */
 111 #define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
 112 #define PSB_PTE_WO                0x0002        /* Write only */
 113 #define PSB_PTE_RO                0x0004        /* Read only */
 114 #define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
 115
 116 /*
 117  *      VDC registers and bits
 118  */
 119 #define PSB_MSVDX_CLOCKGATING     0x2064
 120 #define PSB_TOPAZ_CLOCKGATING     0x2068
 121 #define PSB_HWSTAM                0x2098
 122 #define PSB_INSTPM                0x20C0
 123 #define PSB_INT_IDENTITY_R        0x20A4
 124 #define _PSB_IRQ_ASLE             (1<<0)
 125 #define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
 126 #define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
 127 #define _PSB_DPST_PIPEB_FLAG      (1<<4)
 128 #define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
 129 #define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
 130 #define _PSB_DPST_PIPEA_FLAG      (1<<6)
 131 #define _PSB_PIPEA_EVENT_FLAG     (1<<6)
 132 #define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
 133 #define _MDFLD_MIPIA_FLAG         (1<<16)
 134 #define _MDFLD_MIPIC_FLAG         (1<<17)
 135 #define _PSB_IRQ_DISP_HOTSYNC     (1<<17)
 136 #define _PSB_IRQ_SGX_FLAG         (1<<18)
 137 #define _PSB_IRQ_MSVDX_FLAG       (1<<19)
 138 #define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
 139
 140 #define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
 141                                  _PSB_VSYNC_PIPEB_FLAG)
 142
 143 /* This flag includes all the display IRQ bits excepts the vblank irqs. */
 144 #define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
 145                                   _MDFLD_PIPEB_EVENT_FLAG | \
 146                                   _PSB_PIPEA_EVENT_FLAG | \
 147                                   _PSB_VSYNC_PIPEA_FLAG | \
 148                                   _MDFLD_MIPIA_FLAG | \
 149                                   _MDFLD_MIPIC_FLAG)
 150 #define PSB_INT_IDENTITY_R        0x20A4
 151 #define PSB_INT_MASK_R            0x20A8
 152 #define PSB_INT_ENABLE_R          0x20A0
 153
 154 #define _PSB_MMU_ER_MASK      0x0001FF00
 155 #define _PSB_MMU_ER_HOST      (1 << 16)
 156 #define GPIOA                   0x5010
 157 #define GPIOB                   0x5014
 158 #define GPIOC                   0x5018
 159 #define GPIOD                   0x501c
 160 #define GPIOE                   0x5020
 161 #define GPIOF                   0x5024
 162 #define GPIOG                   0x5028
 163 #define GPIOH                   0x502c
 164 #define GPIO_CLOCK_DIR_MASK             (1 << 0)
 165 #define GPIO_CLOCK_DIR_IN               (0 << 1)
 166 #define GPIO_CLOCK_DIR_OUT              (1 << 1)
 167 #define GPIO_CLOCK_VAL_MASK             (1 << 2)
 168 #define GPIO_CLOCK_VAL_OUT              (1 << 3)
 169 #define GPIO_CLOCK_VAL_IN               (1 << 4)
 170 #define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
 171 #define GPIO_DATA_DIR_MASK              (1 << 8)
 172 #define GPIO_DATA_DIR_IN                (0 << 9)
 173 #define GPIO_DATA_DIR_OUT               (1 << 9)
 174 #define GPIO_DATA_VAL_MASK              (1 << 10)
 175 #define GPIO_DATA_VAL_OUT               (1 << 11)
 176 #define GPIO_DATA_VAL_IN                (1 << 12)
 177 #define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
 178
 179 #define VCLK_DIVISOR_VGA0   0x6000
 180 #define VCLK_DIVISOR_VGA1   0x6004
 181 #define VCLK_POST_DIV       0x6010
 182
 183 #define PSB_COMM_2D (PSB_ENGINE_2D << 4)
 184 #define PSB_COMM_3D (PSB_ENGINE_3D << 4)
 185 #define PSB_COMM_TA (PSB_ENGINE_TA << 4)
 186 #define PSB_COMM_HP (PSB_ENGINE_HP << 4)
 187 #define PSB_COMM_USER_IRQ (1024 >> 2)
 188 #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
 189 #define PSB_COMM_FW (2048 >> 2)
 190
 191 #define PSB_UIRQ_VISTEST               1
 192 #define PSB_UIRQ_OOM_REPLY             2
 193 #define PSB_UIRQ_FIRE_TA_REPLY         3
 194 #define PSB_UIRQ_FIRE_RASTER_REPLY     4
 195
 196 #define PSB_2D_SIZE (256*1024*1024)
 197 #define PSB_MAX_RELOC_PAGES 1024
 198
 199 #define PSB_LOW_REG_OFFS 0x0204
 200 #define PSB_HIGH_REG_OFFS 0x0600
 201
 202 #define PSB_NUM_VBLANKS 2
 203
 204
 205 #define PSB_2D_SIZE (256*1024*1024)
 206 #define PSB_MAX_RELOC_PAGES 1024
 207
 208 #define PSB_LOW_REG_OFFS 0x0204
 209 #define PSB_HIGH_REG_OFFS 0x0600
 210
 211 #define PSB_NUM_VBLANKS 2
 212 #define PSB_WATCHDOG_DELAY (DRM_HZ * 2)
 213 #define PSB_LID_DELAY (DRM_HZ / 10)
 214
 215 #define MDFLD_PNW_B0 0x04
 216 #define MDFLD_PNW_C0 0x08
 217
 218 #define MDFLD_DSR_2D_3D_0       (1 << 0)
 219 #define MDFLD_DSR_2D_3D_2       (1 << 1)
 220 #define MDFLD_DSR_CURSOR_0      (1 << 2)
 221 #define MDFLD_DSR_CURSOR_2      (1 << 3)
 222 #define MDFLD_DSR_OVERLAY_0     (1 << 4)
 223 #define MDFLD_DSR_OVERLAY_2     (1 << 5)
 224 #define MDFLD_DSR_MIPI_CONTROL  (1 << 6)
 225 #define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
 226 #define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
 227 #define MDFLD_DSR_2D_3D         (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
 228
 229 #define MDFLD_DSR_RR            45
 230 #define MDFLD_DPU_ENABLE        (1 << 31)
 231 #define MDFLD_DSR_FULLSCREEN    (1 << 30)
 232 #define MDFLD_DSR_DELAY         (DRM_HZ / MDFLD_DSR_RR)
 233
 234 #define PSB_PWR_STATE_ON                1
 235 #define PSB_PWR_STATE_OFF               2
 236
 237 #define PSB_PMPOLICY_NOPM               0
 238 #define PSB_PMPOLICY_CLOCKGATING        1
 239 #define PSB_PMPOLICY_POWERDOWN          2
 240
 241 #define PSB_PMSTATE_POWERUP             0
 242 #define PSB_PMSTATE_CLOCKGATED          1
 243 #define PSB_PMSTATE_POWERDOWN           2
 244 #define PSB_PCIx_MSI_ADDR_LOC           0x94
 245 #define PSB_PCIx_MSI_DATA_LOC           0x98
 246
 247 /* Medfield crystal settings */
 248 #define KSEL_CRYSTAL_19 1
 249 #define KSEL_BYPASS_19 5
 250 #define KSEL_BYPASS_25 6
 251 #define KSEL_BYPASS_83_100 7
 252
 253 struct opregion_header;
 254 struct opregion_acpi;
 255 struct opregion_swsci;
 256 struct opregion_asle;
 257
 258 struct psb_intel_opregion {
 259         struct opregion_header *header;
 260         struct opregion_acpi *acpi;
 261         struct opregion_swsci *swsci;
 262         struct opregion_asle *asle;
 263         void *vbt;
 264         u32 __iomem *lid_state;
 265 };
 266
 267 struct sdvo_device_mapping {
 268         u8 initialized;
 269         u8 dvo_port;
 270         u8 slave_addr;
 271         u8 dvo_wiring;
 272         u8 i2c_pin;
 273         u8 i2c_speed;
 274         u8 ddc_pin;
 275 };
 276
 277 struct intel_gmbus {
 278         struct i2c_adapter adapter;
 279         struct i2c_adapter *force_bit;
 280         u32 reg0;
 281 };
 282
 283 /*
 284  *      Register offset maps
 285  */
 286
 287 struct psb_offset {
 288         u32     fp0;
 289         u32     fp1;
 290         u32     cntr;
 291         u32     conf;
 292         u32     src;
 293         u32     dpll;
 294         u32     dpll_md;
 295         u32     htotal;
 296         u32     hblank;
 297         u32     hsync;
 298         u32     vtotal;
 299         u32     vblank;
 300         u32     vsync;
 301         u32     stride;
 302         u32     size;
 303         u32     pos;
 304         u32     surf;
 305         u32     addr;
 306         u32     base;
 307         u32     status;
 308         u32     linoff;
 309         u32     tileoff;
 310         u32     palette;
 311 };
 312
 313 /*
 314  *      Register save state. This is used to hold the context when the
 315  *      device is powered off. In the case of Oaktrail this can (but does not
 316  *      yet) include screen blank. Operations occuring during the save
 317  *      update the register cache instead.
 318  */
 319
 320 /*
 321  *      Common status for pipes.
 322  */
 323 struct psb_pipe {
 324         u32     fp0;
 325         u32     fp1;
 326         u32     cntr;
 327         u32     conf;
 328         u32     src;
 329         u32     dpll;
 330         u32     dpll_md;
 331         u32     htotal;
 332         u32     hblank;
 333         u32     hsync;
 334         u32     vtotal;
 335         u32     vblank;
 336         u32     vsync;
 337         u32     stride;
 338         u32     size;
 339         u32     pos;
 340         u32     base;
 341         u32     surf;
 342         u32     addr;
 343         u32     status;
 344         u32     linoff;
 345         u32     tileoff;
 346         u32     palette[256];
 347 };
 348
 349 struct psb_state {
 350         uint32_t saveVCLK_DIVISOR_VGA0;
 351         uint32_t saveVCLK_DIVISOR_VGA1;
 352         uint32_t saveVCLK_POST_DIV;
 353         uint32_t saveVGACNTRL;
 354         uint32_t saveADPA;
 355         uint32_t saveLVDS;
 356         uint32_t saveDVOA;
 357         uint32_t saveDVOB;
 358         uint32_t saveDVOC;
 359         uint32_t savePP_ON;
 360         uint32_t savePP_OFF;
 361         uint32_t savePP_CONTROL;
 362         uint32_t savePP_CYCLE;
 363         uint32_t savePFIT_CONTROL;
 364         uint32_t saveCLOCKGATING;
 365         uint32_t saveDSPARB;
 366         uint32_t savePFIT_AUTO_RATIOS;
 367         uint32_t savePFIT_PGM_RATIOS;
 368         uint32_t savePP_ON_DELAYS;
 369         uint32_t savePP_OFF_DELAYS;
 370         uint32_t savePP_DIVISOR;
 371         uint32_t saveBCLRPAT_A;
 372         uint32_t saveBCLRPAT_B;
 373         uint32_t savePERF_MODE;
 374         uint32_t saveDSPFW1;
 375         uint32_t saveDSPFW2;
 376         uint32_t saveDSPFW3;
 377         uint32_t saveDSPFW4;
 378         uint32_t saveDSPFW5;
 379         uint32_t saveDSPFW6;
 380         uint32_t saveCHICKENBIT;
 381         uint32_t saveDSPACURSOR_CTRL;
 382         uint32_t saveDSPBCURSOR_CTRL;
 383         uint32_t saveDSPACURSOR_BASE;
 384         uint32_t saveDSPBCURSOR_BASE;
 385         uint32_t saveDSPACURSOR_POS;
 386         uint32_t saveDSPBCURSOR_POS;
 387         uint32_t saveOV_OVADD;
 388         uint32_t saveOV_OGAMC0;
 389         uint32_t saveOV_OGAMC1;
 390         uint32_t saveOV_OGAMC2;
 391         uint32_t saveOV_OGAMC3;
 392         uint32_t saveOV_OGAMC4;
 393         uint32_t saveOV_OGAMC5;
 394         uint32_t saveOVC_OVADD;
 395         uint32_t saveOVC_OGAMC0;
 396         uint32_t saveOVC_OGAMC1;
 397         uint32_t saveOVC_OGAMC2;
 398         uint32_t saveOVC_OGAMC3;
 399         uint32_t saveOVC_OGAMC4;
 400         uint32_t saveOVC_OGAMC5;
 401
 402         /* DPST register save */
 403         uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 404         uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 405         uint32_t savePWM_CONTROL_LOGIC;
 406 };
 407
 408 struct medfield_state {
 409         uint32_t saveMIPI;
 410         uint32_t saveMIPI_C;
 411
 412         uint32_t savePFIT_CONTROL;
 413         uint32_t savePFIT_PGM_RATIOS;
 414         uint32_t saveHDMIPHYMISCCTL;
 415         uint32_t saveHDMIB_CONTROL;
 416 };
 417
 418 struct cdv_state {
 419         uint32_t saveDSPCLK_GATE_D;
 420         uint32_t saveRAMCLK_GATE_D;
 421         uint32_t saveDSPARB;
 422         uint32_t saveDSPFW[6];
 423         uint32_t saveADPA;
 424         uint32_t savePP_CONTROL;
 425         uint32_t savePFIT_PGM_RATIOS;
 426         uint32_t saveLVDS;
 427         uint32_t savePFIT_CONTROL;
 428         uint32_t savePP_ON_DELAYS;
 429         uint32_t savePP_OFF_DELAYS;
 430         uint32_t savePP_CYCLE;
 431         uint32_t saveVGACNTRL;
 432         uint32_t saveIER;
 433         uint32_t saveIMR;
 434         u8       saveLBB;
 435 };
 436
 437 struct psb_save_area {
 438         struct psb_pipe pipe[3];
 439         uint32_t saveBSM;
 440         uint32_t saveVBT;
 441         union {
 442                 struct psb_state psb;
 443                 struct medfield_state mdfld;
 444                 struct cdv_state cdv;
 445         };
 446         uint32_t saveBLC_PWM_CTL2;
 447         uint32_t saveBLC_PWM_CTL;
 448 };
 449
 450 struct psb_ops;
 451
 452 #define PSB_NUM_PIPE            3
 453
 454 struct drm_psb_private {
 455         struct drm_device *dev;
 456         const struct psb_ops *ops;
 457         const struct psb_offset *regmap;
 458
 459         struct child_device_config *child_dev;
 460         int child_dev_num;
 461
 462         struct psb_gtt gtt;
 463
 464         /* GTT Memory manager */
 465         struct psb_gtt_mm *gtt_mm;
 466         struct page *scratch_page;
 467         u32 __iomem *gtt_map;
 468         uint32_t stolen_base;
 469         u8 __iomem *vram_addr;
 470         unsigned long vram_stolen_size;
 471         int gtt_initialized;
 472         u16 gmch_ctrl;          /* Saved GTT setup */
 473         u32 pge_ctl;
 474
 475         struct mutex gtt_mutex;
 476         struct resource *gtt_mem;       /* Our PCI resource */
 477
 478         struct psb_mmu_driver *mmu;
 479         struct psb_mmu_pd *pf_pd;
 480
 481         /*
 482          * Register base
 483          */
 484
 485         uint8_t __iomem *sgx_reg;
 486         uint8_t __iomem *vdc_reg;
 487         uint32_t gatt_free_offset;
 488
 489         /*
 490          * Fencing / irq.
 491          */
 492
 493         uint32_t vdc_irq_mask;
 494         uint32_t pipestat[PSB_NUM_PIPE];
 495
 496         spinlock_t irqmask_lock;
 497
 498         /*
 499          * Power
 500          */
 501
 502         bool suspended;
 503         bool display_power;
 504         int display_count;
 505
 506         /*
 507          * Modesetting
 508          */
 509         struct psb_intel_mode_device mode_dev;
 510         bool modeset;   /* true if we have done the mode_device setup */
 511
 512         struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 513         struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 514         uint32_t num_pipe;
 515
 516         /*
 517          * OSPM info (Power management base) (can go ?)
 518          */
 519         uint32_t ospm_base;
 520
 521         /*
 522          * Sizes info
 523          */
 524
 525         u32 fuse_reg_value;
 526         u32 video_device_fuse;
 527
 528         /* PCI revision ID for B0:D2:F0 */
 529         uint8_t platform_rev_id;
 530
 531         /* gmbus */
 532         struct intel_gmbus *gmbus;
 533
 534         /* Used by SDVO */
 535         int crt_ddc_pin;
 536         /* FIXME: The mappings should be parsed from bios but for now we can
 537                   pretend there are no mappings available */
 538         struct sdvo_device_mapping sdvo_mappings[2];
 539         u32 hotplug_supported_mask;
 540         struct drm_property *broadcast_rgb_property;
 541         struct drm_property *force_audio_property;
 542
 543         /*
 544          * LVDS info
 545          */
 546         int backlight_duty_cycle;       /* restore backlight to this value */
 547         bool panel_wants_dither;
 548         struct drm_display_mode *panel_fixed_mode;
 549         struct drm_display_mode *lfp_lvds_vbt_mode;
 550         struct drm_display_mode *sdvo_lvds_vbt_mode;
 551
 552         struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 553         struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 554
 555         /* Feature bits from the VBIOS */
 556         unsigned int int_tv_support:1;
 557         unsigned int lvds_dither:1;
 558         unsigned int lvds_vbt:1;
 559         unsigned int int_crt_support:1;
 560         unsigned int lvds_use_ssc:1;
 561         int lvds_ssc_freq;
 562         bool is_lvds_on;
 563         bool is_mipi_on;
 564         u32 mipi_ctrl_display;
 565
 566         unsigned int core_freq;
 567         uint32_t iLVDS_enable;
 568
 569         /* Runtime PM state */
 570         int rpm_enabled;
 571
 572         /* MID specific */
 573         bool has_gct;
 574         struct oaktrail_gct_data gct_data;
 575
 576         /* Oaktrail HDMI state */
 577         struct oaktrail_hdmi_dev *hdmi_priv;
 578
 579         /*
 580          * Register state
 581          */
 582
 583         struct psb_save_area regs;
 584
 585         /* MSI reg save */
 586         uint32_t msi_addr;
 587         uint32_t msi_data;
 588
 589         /*
 590          * Hotplug handling
 591          */
 592
 593         struct work_struct hotplug_work;
 594
 595         /*
 596          * LID-Switch
 597          */
 598         spinlock_t lid_lock;
 599         struct timer_list lid_timer;
 600         struct psb_intel_opregion opregion;
 601         u32 lid_last_state;
 602
 603         /*
 604          * Watchdog
 605          */
 606
 607         uint32_t apm_reg;
 608         uint16_t apm_base;
 609
 610         /*
 611          * Used for modifying backlight from
 612          * xrandr -- consider removing and using HAL instead
 613          */
 614         struct backlight_device *backlight_device;
 615         struct drm_property *backlight_property;
 616         uint32_t blc_adj1;
 617         uint32_t blc_adj2;
 618
 619         void *fbdev;
 620
 621         /* 2D acceleration */
 622         spinlock_t lock_2d;
 623
 624         /*
 625          * Panel brightness
 626          */
 627         int brightness;
 628         int brightness_adjusted;
 629
 630         bool dsr_enable;
 631         u32 dsr_fb_update;
 632         bool dpi_panel_on[3];
 633         void *dsi_configs[2];
 634         u32 bpp;
 635         u32 bpp2;
 636
 637         u32 pipeconf[3];
 638         u32 dspcntr[3];
 639
 640         int mdfld_panel_id;
 641
 642         bool dplla_96mhz;       /* DPLL data from the VBT */
 643 };
 644
 645
 646 /*
 647  *      Operations for each board type
 648  */
 649
 650 struct psb_ops {
 651         const char *name;
 652         unsigned int accel_2d:1;
 653         int pipes;              /* Number of output pipes */
 654         int crtcs;              /* Number of CRTCs */
 655         int sgx_offset;         /* Base offset of SGX device */
 656         int hdmi_mask;          /* Mask of HDMI CRTCs */
 657         int lvds_mask;          /* Mask of LVDS CRTCs */
 658         int cursor_needs_phys;  /* If cursor base reg need physical address */
 659
 660         /* Sub functions */
 661         struct drm_crtc_helper_funcs const *crtc_helper;
 662         struct drm_crtc_funcs const *crtc_funcs;
 663
 664         /* Setup hooks */
 665         int (*chip_setup)(struct drm_device *dev);
 666         void (*chip_teardown)(struct drm_device *dev);
 667         /* Optional helper caller after modeset */
 668         void (*errata)(struct drm_device *dev);
 669
 670         /* Display management hooks */
 671         int (*output_init)(struct drm_device *dev);
 672         int (*hotplug)(struct drm_device *dev);
 673         void (*hotplug_enable)(struct drm_device *dev, bool on);
 674         /* Power management hooks */
 675         void (*init_pm)(struct drm_device *dev);
 676         int (*save_regs)(struct drm_device *dev);
 677         int (*restore_regs)(struct drm_device *dev);
 678         int (*power_up)(struct drm_device *dev);
 679         int (*power_down)(struct drm_device *dev);
 680
 681         void (*lvds_bl_power)(struct drm_device *dev, bool on);
 682 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 683         /* Backlight */
 684         int (*backlight_init)(struct drm_device *dev);
 685 #endif
 686         int i2c_bus;            /* I2C bus identifier for Moorestown */
 687 };
 688
 689
 690
 691 struct psb_mmu_driver;
 692
 693 extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 694 extern int drm_pick_crtcs(struct drm_device *dev);
 695
 696 static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 697 {
 698         return (struct drm_psb_private *) dev->dev_private;
 699 }
 700
 701 /*
 702  * MMU stuff.
 703  */
 704
 705 extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
 706                                         int trap_pagefaults,
 707                                         int invalid_type,
 708                                         struct drm_psb_private *dev_priv);
 709 extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
 710 extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
 711                                                  *driver);
 712 extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset,
 713                                uint32_t gtt_start, uint32_t gtt_pages);
 714 extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
 715                                            int trap_pagefaults,
 716                                            int invalid_type);
 717 extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
 718 extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot);
 719 extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
 720                                         unsigned long address,
 721                                         uint32_t num_pages);
 722 extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
 723                                        uint32_t start_pfn,
 724                                        unsigned long address,
 725                                        uint32_t num_pages, int type);
 726 extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
 727                                   unsigned long *pfn);
 728
 729 /*
 730  * Enable / disable MMU for different requestors.
 731  */
 732
 733
 734 extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
 735 extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
 736                                 unsigned long address, uint32_t num_pages,
 737                                 uint32_t desired_tile_stride,
 738                                 uint32_t hw_tile_stride, int type);
 739 extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
 740                                  unsigned long address, uint32_t num_pages,
 741                                  uint32_t desired_tile_stride,
 742                                  uint32_t hw_tile_stride);
 743 /*
 744  *psb_irq.c
 745  */
 746
 747 extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
 748 extern int psb_irq_enable_dpst(struct drm_device *dev);
 749 extern int psb_irq_disable_dpst(struct drm_device *dev);
 750 extern void psb_irq_preinstall(struct drm_device *dev);
 751 extern int psb_irq_postinstall(struct drm_device *dev);
 752 extern void psb_irq_uninstall(struct drm_device *dev);
 753 extern void psb_irq_turn_on_dpst(struct drm_device *dev);
 754 extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 755
 756 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 757 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 758 extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 759 extern int psb_enable_vblank(struct drm_device *dev, int crtc);
 760 extern void psb_disable_vblank(struct drm_device *dev, int crtc);
 761 void
 762 psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 763
 764 void
 765 psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 766
 767 extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
 768
 769 /*
 770  * framebuffer.c
 771  */
 772 extern int psbfb_probed(struct drm_device *dev);
 773 extern int psbfb_remove(struct drm_device *dev,
 774                         struct drm_framebuffer *fb);
 775 /*
 776  * accel_2d.c
 777  */
 778 extern void psbfb_copyarea(struct fb_info *info,
 779                                         const struct fb_copyarea *region);
 780 extern int psbfb_sync(struct fb_info *info);
 781 extern void psb_spank(struct drm_psb_private *dev_priv);
 782
 783 /*
 784  * psb_reset.c
 785  */
 786
 787 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 788 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 789 extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 790
 791 /* modesetting */
 792 extern void psb_modeset_init(struct drm_device *dev);
 793 extern void psb_modeset_cleanup(struct drm_device *dev);
 794 extern int psb_fbdev_init(struct drm_device *dev);
 795
 796 /* backlight.c */
 797 int gma_backlight_init(struct drm_device *dev);
 798 void gma_backlight_exit(struct drm_device *dev);
 799
 800 /* oaktrail_crtc.c */
 801 extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 802
 803 /* oaktrail_lvds.c */
 804 extern void oaktrail_lvds_init(struct drm_device *dev,
 805                     struct psb_intel_mode_device *mode_dev);
 806
 807 /* psb_intel_display.c */
 808 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 809 extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
 810
 811 /* psb_intel_lvds.c */
 812 extern const struct drm_connector_helper_funcs
 813                                         psb_intel_lvds_connector_helper_funcs;
 814 extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 815
 816 /* gem.c */
 817 extern int psb_gem_init_object(struct drm_gem_object *obj);
 818 extern void psb_gem_free_object(struct drm_gem_object *obj);
 819 extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
 820                         struct drm_file *file);
 821 extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 822                         struct drm_mode_create_dumb *args);
 823 extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
 824                         uint32_t handle);
 825 extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
 826                         uint32_t handle, uint64_t *offset);
 827 extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 828 extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
 829                         struct drm_file *file);
 830 extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
 831                                         struct drm_file *file);
 832
 833 /* psb_device.c */
 834 extern const struct psb_ops psb_chip_ops;
 835
 836 /* oaktrail_device.c */
 837 extern const struct psb_ops oaktrail_chip_ops;
 838
 839 /* mdlfd_device.c */
 840 extern const struct psb_ops mdfld_chip_ops;
 841
 842 /* cdv_device.c */
 843 extern const struct psb_ops cdv_chip_ops;
 844
 845 /*
 846  * Debug print bits setting
 847  */
 848 #define PSB_D_GENERAL (1 << 0)
 849 #define PSB_D_INIT    (1 << 1)
 850 #define PSB_D_IRQ     (1 << 2)
 851 #define PSB_D_ENTRY   (1 << 3)
 852 /* debug the get H/V BP/FP count */
 853 #define PSB_D_HV      (1 << 4)
 854 #define PSB_D_DBI_BF  (1 << 5)
 855 #define PSB_D_PM      (1 << 6)
 856 #define PSB_D_RENDER  (1 << 7)
 857 #define PSB_D_REG     (1 << 8)
 858 #define PSB_D_MSVDX   (1 << 9)
 859 #define PSB_D_TOPAZ   (1 << 10)
 860
 861 extern int drm_psb_no_fb;
 862 extern int drm_idle_check_interval;
 863
 864 /*
 865  *      Utilities
 866  */
 867
 868 static inline u32 MRST_MSG_READ32(uint port, uint offset)
 869 {
 870         int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 871         uint32_t ret_val = 0;
 872         struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 873         pci_write_config_dword(pci_root, 0xD0, mcr);
 874         pci_read_config_dword(pci_root, 0xD4, &ret_val);
 875         pci_dev_put(pci_root);
 876         return ret_val;
 877 }
 878 static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
 879 {
 880         int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 881         struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 882         pci_write_config_dword(pci_root, 0xD4, value);
 883         pci_write_config_dword(pci_root, 0xD0, mcr);
 884         pci_dev_put(pci_root);
 885 }
 886 static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
 887 {
 888         int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 889         uint32_t ret_val = 0;
 890         struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 891         pci_write_config_dword(pci_root, 0xD0, mcr);
 892         pci_read_config_dword(pci_root, 0xD4, &ret_val);
 893         pci_dev_put(pci_root);
 894         return ret_val;
 895 }
 896 static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
 897 {
 898         int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 899         struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 900         pci_write_config_dword(pci_root, 0xD4, value);
 901         pci_write_config_dword(pci_root, 0xD0, mcr);
 902         pci_dev_put(pci_root);
 903 }
 904
 905 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 906 {
 907         struct drm_psb_private *dev_priv = dev->dev_private;
 908         return ioread32(dev_priv->vdc_reg + reg);
 909 }
 910
 911 #define REG_READ(reg)          REGISTER_READ(dev, (reg))
 912
 913 static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 914                                       uint32_t val)
 915 {
 916         struct drm_psb_private *dev_priv = dev->dev_private;
 917         iowrite32((val), dev_priv->vdc_reg + (reg));
 918 }
 919
 920 #define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 921
 922 static inline void REGISTER_WRITE16(struct drm_device *dev,
 923                                         uint32_t reg, uint32_t val)
 924 {
 925         struct drm_psb_private *dev_priv = dev->dev_private;
 926         iowrite16((val), dev_priv->vdc_reg + (reg));
 927 }
 928
 929 #define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 930
 931 static inline void REGISTER_WRITE8(struct drm_device *dev,
 932                                        uint32_t reg, uint32_t val)
 933 {
 934         struct drm_psb_private *dev_priv = dev->dev_private;
 935         iowrite8((val), dev_priv->vdc_reg + (reg));
 936 }
 937
 938 #define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 939
 940 #define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 941 #define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 942
 943 /* #define TRAP_SGX_PM_FAULT 1 */
 944 #ifdef TRAP_SGX_PM_FAULT
 945 #define PSB_RSGX32(_offs)                                               \
 946 ({                                                                      \
 947         if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 948                 printk(KERN_ERR                                         \
 949                         "access sgx when it's off!! (READ) %s, %d\n",   \
 950                __FILE__, __LINE__);                                     \
 951                 melay(1000);                                            \
 952         }                                                               \
 953         ioread32(dev_priv->sgx_reg + (_offs));                          \
 954 })
 955 #else
 956 #define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 957 #endif
 958 #define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 959
 960 #define MSVDX_REG_DUMP 0
 961
 962 #define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 963 #define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 964
 965 #endif