linux/drivers/gpu/drm/gma500/psb_drv.h
<<
>>
Prefs
   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 <drm/gma_drm.h>
  28#include "psb_reg.h"
  29#include "psb_intel_drv.h"
  30#include "gma_display.h"
  31#include "intel_bios.h"
  32#include "gtt.h"
  33#include "power.h"
  34#include "opregion.h"
  35#include "oaktrail.h"
  36#include "mmu.h"
  37
  38#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
  39
  40#define DRIVER_NAME "gma500"
  41#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
  42#define DRIVER_DATE "20140314"
  43
  44#define DRIVER_MAJOR 1
  45#define DRIVER_MINOR 0
  46#define DRIVER_PATCHLEVEL 0
  47
  48/* Append new drm mode definition here, align with libdrm definition */
  49#define DRM_MODE_SCALE_NO_SCALE         2
  50
  51enum {
  52        CHIP_PSB_8108 = 0,              /* Poulsbo */
  53        CHIP_PSB_8109 = 1,              /* Poulsbo */
  54        CHIP_MRST_4100 = 2,             /* Moorestown/Oaktrail */
  55        CHIP_MFLD_0130 = 3,             /* Medfield */
  56};
  57
  58#define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
  59#define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
  60#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
  61#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
  62
  63/* Hardware offsets */
  64#define PSB_VDC_OFFSET           0x00000000
  65#define PSB_VDC_SIZE             0x000080000
  66#define MRST_MMIO_SIZE           0x0000C0000
  67#define MDFLD_MMIO_SIZE          0x000100000
  68#define PSB_SGX_SIZE             0x8000
  69#define PSB_SGX_OFFSET           0x00040000
  70#define MRST_SGX_OFFSET          0x00080000
  71
  72/* PCI resource identifiers */
  73#define PSB_MMIO_RESOURCE        0
  74#define PSB_AUX_RESOURCE         0
  75#define PSB_GATT_RESOURCE        2
  76#define PSB_GTT_RESOURCE         3
  77
  78/* PCI configuration */
  79#define PSB_GMCH_CTRL            0x52
  80#define PSB_BSM                  0x5C
  81#define _PSB_GMCH_ENABLED        0x4
  82#define PSB_PGETBL_CTL           0x2020
  83#define _PSB_PGETBL_ENABLED      0x00000001
  84#define PSB_SGX_2D_SLAVE_PORT    0x4000
  85#define PSB_LPC_GBA              0x44
  86
  87/* TODO: To get rid of */
  88#define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
  89#define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
  90
  91/* SGX side MMU definitions (these can probably go) */
  92
  93/* Flags for external memory type field */
  94#define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
  95#define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
  96#define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
  97
  98/* PTE's and PDE's */
  99#define PSB_PDE_MASK              0x003FFFFF
 100#define PSB_PDE_SHIFT             22
 101#define PSB_PTE_SHIFT             12
 102
 103/* Cache control */
 104#define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
 105#define PSB_PTE_WO                0x0002        /* Write only */
 106#define PSB_PTE_RO                0x0004        /* Read only */
 107#define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
 108
 109/* VDC registers and bits */
 110#define PSB_MSVDX_CLOCKGATING     0x2064
 111#define PSB_TOPAZ_CLOCKGATING     0x2068
 112#define PSB_HWSTAM                0x2098
 113#define PSB_INSTPM                0x20C0
 114#define PSB_INT_IDENTITY_R        0x20A4
 115#define _PSB_IRQ_ASLE             (1<<0)
 116#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
 117#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
 118#define _PSB_DPST_PIPEB_FLAG      (1<<4)
 119#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
 120#define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
 121#define _PSB_DPST_PIPEA_FLAG      (1<<6)
 122#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
 123#define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
 124#define _MDFLD_MIPIA_FLAG         (1<<16)
 125#define _MDFLD_MIPIC_FLAG         (1<<17)
 126#define _PSB_IRQ_DISP_HOTSYNC     (1<<17)
 127#define _PSB_IRQ_SGX_FLAG         (1<<18)
 128#define _PSB_IRQ_MSVDX_FLAG       (1<<19)
 129#define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
 130
 131#define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
 132                                 _PSB_VSYNC_PIPEB_FLAG)
 133
 134/* This flag includes all the display IRQ bits excepts the vblank irqs. */
 135#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
 136                                  _MDFLD_PIPEB_EVENT_FLAG | \
 137                                  _PSB_PIPEA_EVENT_FLAG | \
 138                                  _PSB_VSYNC_PIPEA_FLAG | \
 139                                  _MDFLD_MIPIA_FLAG | \
 140                                  _MDFLD_MIPIC_FLAG)
 141#define PSB_INT_IDENTITY_R        0x20A4
 142#define PSB_INT_MASK_R            0x20A8
 143#define PSB_INT_ENABLE_R          0x20A0
 144
 145#define _PSB_MMU_ER_MASK      0x0001FF00
 146#define _PSB_MMU_ER_HOST      (1 << 16)
 147#define GPIOA                   0x5010
 148#define GPIOB                   0x5014
 149#define GPIOC                   0x5018
 150#define GPIOD                   0x501c
 151#define GPIOE                   0x5020
 152#define GPIOF                   0x5024
 153#define GPIOG                   0x5028
 154#define GPIOH                   0x502c
 155#define GPIO_CLOCK_DIR_MASK             (1 << 0)
 156#define GPIO_CLOCK_DIR_IN               (0 << 1)
 157#define GPIO_CLOCK_DIR_OUT              (1 << 1)
 158#define GPIO_CLOCK_VAL_MASK             (1 << 2)
 159#define GPIO_CLOCK_VAL_OUT              (1 << 3)
 160#define GPIO_CLOCK_VAL_IN               (1 << 4)
 161#define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
 162#define GPIO_DATA_DIR_MASK              (1 << 8)
 163#define GPIO_DATA_DIR_IN                (0 << 9)
 164#define GPIO_DATA_DIR_OUT               (1 << 9)
 165#define GPIO_DATA_VAL_MASK              (1 << 10)
 166#define GPIO_DATA_VAL_OUT               (1 << 11)
 167#define GPIO_DATA_VAL_IN                (1 << 12)
 168#define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
 169
 170#define VCLK_DIVISOR_VGA0   0x6000
 171#define VCLK_DIVISOR_VGA1   0x6004
 172#define VCLK_POST_DIV       0x6010
 173
 174#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
 175#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
 176#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
 177#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
 178#define PSB_COMM_USER_IRQ (1024 >> 2)
 179#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
 180#define PSB_COMM_FW (2048 >> 2)
 181
 182#define PSB_UIRQ_VISTEST               1
 183#define PSB_UIRQ_OOM_REPLY             2
 184#define PSB_UIRQ_FIRE_TA_REPLY         3
 185#define PSB_UIRQ_FIRE_RASTER_REPLY     4
 186
 187#define PSB_2D_SIZE (256*1024*1024)
 188#define PSB_MAX_RELOC_PAGES 1024
 189
 190#define PSB_LOW_REG_OFFS 0x0204
 191#define PSB_HIGH_REG_OFFS 0x0600
 192
 193#define PSB_NUM_VBLANKS 2
 194
 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#define PSB_WATCHDOG_DELAY (HZ * 2)
 204#define PSB_LID_DELAY (HZ / 10)
 205
 206#define MDFLD_PNW_B0 0x04
 207#define MDFLD_PNW_C0 0x08
 208
 209#define MDFLD_DSR_2D_3D_0       (1 << 0)
 210#define MDFLD_DSR_2D_3D_2       (1 << 1)
 211#define MDFLD_DSR_CURSOR_0      (1 << 2)
 212#define MDFLD_DSR_CURSOR_2      (1 << 3)
 213#define MDFLD_DSR_OVERLAY_0     (1 << 4)
 214#define MDFLD_DSR_OVERLAY_2     (1 << 5)
 215#define MDFLD_DSR_MIPI_CONTROL  (1 << 6)
 216#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
 217#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
 218#define MDFLD_DSR_2D_3D         (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
 219
 220#define MDFLD_DSR_RR            45
 221#define MDFLD_DPU_ENABLE        (1 << 31)
 222#define MDFLD_DSR_FULLSCREEN    (1 << 30)
 223#define MDFLD_DSR_DELAY         (HZ / MDFLD_DSR_RR)
 224
 225#define PSB_PWR_STATE_ON                1
 226#define PSB_PWR_STATE_OFF               2
 227
 228#define PSB_PMPOLICY_NOPM               0
 229#define PSB_PMPOLICY_CLOCKGATING        1
 230#define PSB_PMPOLICY_POWERDOWN          2
 231
 232#define PSB_PMSTATE_POWERUP             0
 233#define PSB_PMSTATE_CLOCKGATED          1
 234#define PSB_PMSTATE_POWERDOWN           2
 235#define PSB_PCIx_MSI_ADDR_LOC           0x94
 236#define PSB_PCIx_MSI_DATA_LOC           0x98
 237
 238/* Medfield crystal settings */
 239#define KSEL_CRYSTAL_19 1
 240#define KSEL_BYPASS_19 5
 241#define KSEL_BYPASS_25 6
 242#define KSEL_BYPASS_83_100 7
 243
 244struct opregion_header;
 245struct opregion_acpi;
 246struct opregion_swsci;
 247struct opregion_asle;
 248
 249struct psb_intel_opregion {
 250        struct opregion_header *header;
 251        struct opregion_acpi *acpi;
 252        struct opregion_swsci *swsci;
 253        struct opregion_asle *asle;
 254        void *vbt;
 255        u32 __iomem *lid_state;
 256        struct work_struct asle_work;
 257};
 258
 259struct sdvo_device_mapping {
 260        u8 initialized;
 261        u8 dvo_port;
 262        u8 slave_addr;
 263        u8 dvo_wiring;
 264        u8 i2c_pin;
 265        u8 i2c_speed;
 266        u8 ddc_pin;
 267};
 268
 269struct intel_gmbus {
 270        struct i2c_adapter adapter;
 271        struct i2c_adapter *force_bit;
 272        u32 reg0;
 273};
 274
 275/* Register offset maps */
 276struct psb_offset {
 277        u32     fp0;
 278        u32     fp1;
 279        u32     cntr;
 280        u32     conf;
 281        u32     src;
 282        u32     dpll;
 283        u32     dpll_md;
 284        u32     htotal;
 285        u32     hblank;
 286        u32     hsync;
 287        u32     vtotal;
 288        u32     vblank;
 289        u32     vsync;
 290        u32     stride;
 291        u32     size;
 292        u32     pos;
 293        u32     surf;
 294        u32     addr;
 295        u32     base;
 296        u32     status;
 297        u32     linoff;
 298        u32     tileoff;
 299        u32     palette;
 300};
 301
 302/*
 303 *      Register save state. This is used to hold the context when the
 304 *      device is powered off. In the case of Oaktrail this can (but does not
 305 *      yet) include screen blank. Operations occuring during the save
 306 *      update the register cache instead.
 307 */
 308
 309/* Common status for pipes */
 310struct psb_pipe {
 311        u32     fp0;
 312        u32     fp1;
 313        u32     cntr;
 314        u32     conf;
 315        u32     src;
 316        u32     dpll;
 317        u32     dpll_md;
 318        u32     htotal;
 319        u32     hblank;
 320        u32     hsync;
 321        u32     vtotal;
 322        u32     vblank;
 323        u32     vsync;
 324        u32     stride;
 325        u32     size;
 326        u32     pos;
 327        u32     base;
 328        u32     surf;
 329        u32     addr;
 330        u32     status;
 331        u32     linoff;
 332        u32     tileoff;
 333        u32     palette[256];
 334};
 335
 336struct psb_state {
 337        uint32_t saveVCLK_DIVISOR_VGA0;
 338        uint32_t saveVCLK_DIVISOR_VGA1;
 339        uint32_t saveVCLK_POST_DIV;
 340        uint32_t saveVGACNTRL;
 341        uint32_t saveADPA;
 342        uint32_t saveLVDS;
 343        uint32_t saveDVOA;
 344        uint32_t saveDVOB;
 345        uint32_t saveDVOC;
 346        uint32_t savePP_ON;
 347        uint32_t savePP_OFF;
 348        uint32_t savePP_CONTROL;
 349        uint32_t savePP_CYCLE;
 350        uint32_t savePFIT_CONTROL;
 351        uint32_t saveCLOCKGATING;
 352        uint32_t saveDSPARB;
 353        uint32_t savePFIT_AUTO_RATIOS;
 354        uint32_t savePFIT_PGM_RATIOS;
 355        uint32_t savePP_ON_DELAYS;
 356        uint32_t savePP_OFF_DELAYS;
 357        uint32_t savePP_DIVISOR;
 358        uint32_t saveBCLRPAT_A;
 359        uint32_t saveBCLRPAT_B;
 360        uint32_t savePERF_MODE;
 361        uint32_t saveDSPFW1;
 362        uint32_t saveDSPFW2;
 363        uint32_t saveDSPFW3;
 364        uint32_t saveDSPFW4;
 365        uint32_t saveDSPFW5;
 366        uint32_t saveDSPFW6;
 367        uint32_t saveCHICKENBIT;
 368        uint32_t saveDSPACURSOR_CTRL;
 369        uint32_t saveDSPBCURSOR_CTRL;
 370        uint32_t saveDSPACURSOR_BASE;
 371        uint32_t saveDSPBCURSOR_BASE;
 372        uint32_t saveDSPACURSOR_POS;
 373        uint32_t saveDSPBCURSOR_POS;
 374        uint32_t saveOV_OVADD;
 375        uint32_t saveOV_OGAMC0;
 376        uint32_t saveOV_OGAMC1;
 377        uint32_t saveOV_OGAMC2;
 378        uint32_t saveOV_OGAMC3;
 379        uint32_t saveOV_OGAMC4;
 380        uint32_t saveOV_OGAMC5;
 381        uint32_t saveOVC_OVADD;
 382        uint32_t saveOVC_OGAMC0;
 383        uint32_t saveOVC_OGAMC1;
 384        uint32_t saveOVC_OGAMC2;
 385        uint32_t saveOVC_OGAMC3;
 386        uint32_t saveOVC_OGAMC4;
 387        uint32_t saveOVC_OGAMC5;
 388
 389        /* DPST register save */
 390        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 391        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 392        uint32_t savePWM_CONTROL_LOGIC;
 393};
 394
 395struct medfield_state {
 396        uint32_t saveMIPI;
 397        uint32_t saveMIPI_C;
 398
 399        uint32_t savePFIT_CONTROL;
 400        uint32_t savePFIT_PGM_RATIOS;
 401        uint32_t saveHDMIPHYMISCCTL;
 402        uint32_t saveHDMIB_CONTROL;
 403};
 404
 405struct cdv_state {
 406        uint32_t saveDSPCLK_GATE_D;
 407        uint32_t saveRAMCLK_GATE_D;
 408        uint32_t saveDSPARB;
 409        uint32_t saveDSPFW[6];
 410        uint32_t saveADPA;
 411        uint32_t savePP_CONTROL;
 412        uint32_t savePFIT_PGM_RATIOS;
 413        uint32_t saveLVDS;
 414        uint32_t savePFIT_CONTROL;
 415        uint32_t savePP_ON_DELAYS;
 416        uint32_t savePP_OFF_DELAYS;
 417        uint32_t savePP_CYCLE;
 418        uint32_t saveVGACNTRL;
 419        uint32_t saveIER;
 420        uint32_t saveIMR;
 421        u8       saveLBB;
 422};
 423
 424struct psb_save_area {
 425        struct psb_pipe pipe[3];
 426        uint32_t saveBSM;
 427        uint32_t saveVBT;
 428        union {
 429                struct psb_state psb;
 430                struct medfield_state mdfld;
 431                struct cdv_state cdv;
 432        };
 433        uint32_t saveBLC_PWM_CTL2;
 434        uint32_t saveBLC_PWM_CTL;
 435};
 436
 437struct psb_ops;
 438
 439#define PSB_NUM_PIPE            3
 440
 441struct drm_psb_private {
 442        struct drm_device *dev;
 443        struct pci_dev *aux_pdev; /* Currently only used by mrst */
 444        struct pci_dev *lpc_pdev; /* Currently only used by mrst */
 445        const struct psb_ops *ops;
 446        const struct psb_offset *regmap;
 447        
 448        struct child_device_config *child_dev;
 449        int child_dev_num;
 450
 451        struct psb_gtt gtt;
 452
 453        /* GTT Memory manager */
 454        struct psb_gtt_mm *gtt_mm;
 455        struct page *scratch_page;
 456        u32 __iomem *gtt_map;
 457        uint32_t stolen_base;
 458        u8 __iomem *vram_addr;
 459        unsigned long vram_stolen_size;
 460        int gtt_initialized;
 461        u16 gmch_ctrl;          /* Saved GTT setup */
 462        u32 pge_ctl;
 463
 464        struct mutex gtt_mutex;
 465        struct resource *gtt_mem;       /* Our PCI resource */
 466
 467        struct mutex mmap_mutex;
 468
 469        struct psb_mmu_driver *mmu;
 470        struct psb_mmu_pd *pf_pd;
 471
 472        /* Register base */
 473        uint8_t __iomem *sgx_reg;
 474        uint8_t __iomem *vdc_reg;
 475        uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
 476        uint16_t lpc_gpio_base;
 477        uint32_t gatt_free_offset;
 478
 479        /* Fencing / irq */
 480        uint32_t vdc_irq_mask;
 481        uint32_t pipestat[PSB_NUM_PIPE];
 482
 483        spinlock_t irqmask_lock;
 484
 485        /* Power */
 486        bool suspended;
 487        bool display_power;
 488        int display_count;
 489
 490        /* Modesetting */
 491        struct psb_intel_mode_device mode_dev;
 492        bool modeset;   /* true if we have done the mode_device setup */
 493
 494        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 495        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 496        uint32_t num_pipe;
 497
 498        /* OSPM info (Power management base) (TODO: can go ?) */
 499        uint32_t ospm_base;
 500
 501        /* Sizes info */
 502        u32 fuse_reg_value;
 503        u32 video_device_fuse;
 504
 505        /* PCI revision ID for B0:D2:F0 */
 506        uint8_t platform_rev_id;
 507
 508        /* gmbus */
 509        struct intel_gmbus *gmbus;
 510        uint8_t __iomem *gmbus_reg;
 511
 512        /* Used by SDVO */
 513        int crt_ddc_pin;
 514        /* FIXME: The mappings should be parsed from bios but for now we can
 515                  pretend there are no mappings available */
 516        struct sdvo_device_mapping sdvo_mappings[2];
 517        u32 hotplug_supported_mask;
 518        struct drm_property *broadcast_rgb_property;
 519        struct drm_property *force_audio_property;
 520
 521        /* LVDS info */
 522        int backlight_duty_cycle;       /* restore backlight to this value */
 523        bool panel_wants_dither;
 524        struct drm_display_mode *panel_fixed_mode;
 525        struct drm_display_mode *lfp_lvds_vbt_mode;
 526        struct drm_display_mode *sdvo_lvds_vbt_mode;
 527
 528        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 529        struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 530
 531        /* Feature bits from the VBIOS */
 532        unsigned int int_tv_support:1;
 533        unsigned int lvds_dither:1;
 534        unsigned int lvds_vbt:1;
 535        unsigned int int_crt_support:1;
 536        unsigned int lvds_use_ssc:1;
 537        int lvds_ssc_freq;
 538        bool is_lvds_on;
 539        bool is_mipi_on;
 540        u32 mipi_ctrl_display;
 541
 542        unsigned int core_freq;
 543        uint32_t iLVDS_enable;
 544
 545        /* Runtime PM state */
 546        int rpm_enabled;
 547
 548        /* MID specific */
 549        bool has_gct;
 550        struct oaktrail_gct_data gct_data;
 551
 552        /* Oaktrail HDMI state */
 553        struct oaktrail_hdmi_dev *hdmi_priv;
 554        
 555        /* Register state */
 556        struct psb_save_area regs;
 557
 558        /* MSI reg save */
 559        uint32_t msi_addr;
 560        uint32_t msi_data;
 561
 562        /* Hotplug handling */
 563        struct work_struct hotplug_work;
 564
 565        /* LID-Switch */
 566        spinlock_t lid_lock;
 567        struct timer_list lid_timer;
 568        struct psb_intel_opregion opregion;
 569        u32 lid_last_state;
 570
 571        /* Watchdog */
 572        uint32_t apm_reg;
 573        uint16_t apm_base;
 574
 575        /*
 576         * Used for modifying backlight from
 577         * xrandr -- consider removing and using HAL instead
 578         */
 579        struct backlight_device *backlight_device;
 580        struct drm_property *backlight_property;
 581        bool backlight_enabled;
 582        int backlight_level;
 583        uint32_t blc_adj1;
 584        uint32_t blc_adj2;
 585
 586        void *fbdev;
 587
 588        /* 2D acceleration */
 589        spinlock_t lock_2d;
 590
 591        /* Panel brightness */
 592        int brightness;
 593        int brightness_adjusted;
 594
 595        bool dsr_enable;
 596        u32 dsr_fb_update;
 597        bool dpi_panel_on[3];
 598        void *dsi_configs[2];
 599        u32 bpp;
 600        u32 bpp2;
 601
 602        u32 pipeconf[3];
 603        u32 dspcntr[3];
 604
 605        int mdfld_panel_id;
 606
 607        bool dplla_96mhz;       /* DPLL data from the VBT */
 608
 609        struct {
 610                int rate;
 611                int lanes;
 612                int preemphasis;
 613                int vswing;
 614
 615                bool initialized;
 616                bool support;
 617                int bpp;
 618                struct edp_power_seq pps;
 619        } edp;
 620        uint8_t panel_type;
 621};
 622
 623
 624/* Operations for each board type */
 625struct psb_ops {
 626        const char *name;
 627        unsigned int accel_2d:1;
 628        int pipes;              /* Number of output pipes */
 629        int crtcs;              /* Number of CRTCs */
 630        int sgx_offset;         /* Base offset of SGX device */
 631        int hdmi_mask;          /* Mask of HDMI CRTCs */
 632        int lvds_mask;          /* Mask of LVDS CRTCs */
 633        int sdvo_mask;          /* Mask of SDVO CRTCs */
 634        int cursor_needs_phys;  /* If cursor base reg need physical address */
 635
 636        /* Sub functions */
 637        struct drm_crtc_helper_funcs const *crtc_helper;
 638        struct drm_crtc_funcs const *crtc_funcs;
 639        const struct gma_clock_funcs *clock_funcs;
 640
 641        /* Setup hooks */
 642        int (*chip_setup)(struct drm_device *dev);
 643        void (*chip_teardown)(struct drm_device *dev);
 644        /* Optional helper caller after modeset */
 645        void (*errata)(struct drm_device *dev);
 646
 647        /* Display management hooks */
 648        int (*output_init)(struct drm_device *dev);
 649        int (*hotplug)(struct drm_device *dev);
 650        void (*hotplug_enable)(struct drm_device *dev, bool on);
 651        /* Power management hooks */
 652        void (*init_pm)(struct drm_device *dev);
 653        int (*save_regs)(struct drm_device *dev);
 654        int (*restore_regs)(struct drm_device *dev);
 655        void (*save_crtc)(struct drm_crtc *crtc);
 656        void (*restore_crtc)(struct drm_crtc *crtc);
 657        int (*power_up)(struct drm_device *dev);
 658        int (*power_down)(struct drm_device *dev);
 659        void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
 660        void (*disable_sr)(struct drm_device *dev);
 661
 662        void (*lvds_bl_power)(struct drm_device *dev, bool on);
 663#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 664        /* Backlight */
 665        int (*backlight_init)(struct drm_device *dev);
 666#endif
 667        int i2c_bus;            /* I2C bus identifier for Moorestown */
 668};
 669
 670
 671
 672extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 673extern int drm_pick_crtcs(struct drm_device *dev);
 674
 675static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 676{
 677        return (struct drm_psb_private *) dev->dev_private;
 678}
 679
 680/* psb_irq.c */
 681extern irqreturn_t psb_irq_handler(int irq, void *arg);
 682extern int psb_irq_enable_dpst(struct drm_device *dev);
 683extern int psb_irq_disable_dpst(struct drm_device *dev);
 684extern void psb_irq_preinstall(struct drm_device *dev);
 685extern int psb_irq_postinstall(struct drm_device *dev);
 686extern void psb_irq_uninstall(struct drm_device *dev);
 687extern void psb_irq_turn_on_dpst(struct drm_device *dev);
 688extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 689
 690extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 691extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 692extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 693extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
 694extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
 695void
 696psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 697
 698void
 699psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 700
 701extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 702
 703/* framebuffer.c */
 704extern int psbfb_probed(struct drm_device *dev);
 705extern int psbfb_remove(struct drm_device *dev,
 706                        struct drm_framebuffer *fb);
 707/* accel_2d.c */
 708extern void psbfb_copyarea(struct fb_info *info,
 709                                        const struct fb_copyarea *region);
 710extern int psbfb_sync(struct fb_info *info);
 711extern void psb_spank(struct drm_psb_private *dev_priv);
 712
 713/* psb_reset.c */
 714extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 715extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 716extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 717
 718/* modesetting */
 719extern void psb_modeset_init(struct drm_device *dev);
 720extern void psb_modeset_cleanup(struct drm_device *dev);
 721extern int psb_fbdev_init(struct drm_device *dev);
 722
 723/* backlight.c */
 724int gma_backlight_init(struct drm_device *dev);
 725void gma_backlight_exit(struct drm_device *dev);
 726void gma_backlight_disable(struct drm_device *dev);
 727void gma_backlight_enable(struct drm_device *dev);
 728void gma_backlight_set(struct drm_device *dev, int v);
 729
 730/* oaktrail_crtc.c */
 731extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 732
 733/* oaktrail_lvds.c */
 734extern void oaktrail_lvds_init(struct drm_device *dev,
 735                    struct psb_intel_mode_device *mode_dev);
 736
 737/* psb_intel_display.c */
 738extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 739extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
 740
 741/* psb_intel_lvds.c */
 742extern const struct drm_connector_helper_funcs
 743                                        psb_intel_lvds_connector_helper_funcs;
 744extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 745
 746/* gem.c */
 747extern void psb_gem_free_object(struct drm_gem_object *obj);
 748extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
 749                        struct drm_file *file);
 750extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 751                        struct drm_mode_create_dumb *args);
 752extern int psb_gem_fault(struct vm_fault *vmf);
 753
 754/* psb_device.c */
 755extern const struct psb_ops psb_chip_ops;
 756
 757/* oaktrail_device.c */
 758extern const struct psb_ops oaktrail_chip_ops;
 759
 760/* mdlfd_device.c */
 761extern const struct psb_ops mdfld_chip_ops;
 762
 763/* cdv_device.c */
 764extern const struct psb_ops cdv_chip_ops;
 765
 766/* Debug print bits setting */
 767#define PSB_D_GENERAL (1 << 0)
 768#define PSB_D_INIT    (1 << 1)
 769#define PSB_D_IRQ     (1 << 2)
 770#define PSB_D_ENTRY   (1 << 3)
 771/* debug the get H/V BP/FP count */
 772#define PSB_D_HV      (1 << 4)
 773#define PSB_D_DBI_BF  (1 << 5)
 774#define PSB_D_PM      (1 << 6)
 775#define PSB_D_RENDER  (1 << 7)
 776#define PSB_D_REG     (1 << 8)
 777#define PSB_D_MSVDX   (1 << 9)
 778#define PSB_D_TOPAZ   (1 << 10)
 779
 780extern int drm_idle_check_interval;
 781
 782/* Utilities */
 783static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
 784{
 785        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 786        uint32_t ret_val = 0;
 787        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 788        pci_write_config_dword(pci_root, 0xD0, mcr);
 789        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 790        pci_dev_put(pci_root);
 791        return ret_val;
 792}
 793static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
 794                                    u32 value)
 795{
 796        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 797        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 798        pci_write_config_dword(pci_root, 0xD4, value);
 799        pci_write_config_dword(pci_root, 0xD0, mcr);
 800        pci_dev_put(pci_root);
 801}
 802static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
 803{
 804        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 805        uint32_t ret_val = 0;
 806        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 807        pci_write_config_dword(pci_root, 0xD0, mcr);
 808        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 809        pci_dev_put(pci_root);
 810        return ret_val;
 811}
 812static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
 813                                     u32 value)
 814{
 815        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 816        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 817        pci_write_config_dword(pci_root, 0xD4, value);
 818        pci_write_config_dword(pci_root, 0xD0, mcr);
 819        pci_dev_put(pci_root);
 820}
 821
 822static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 823{
 824        struct drm_psb_private *dev_priv = dev->dev_private;
 825        return ioread32(dev_priv->vdc_reg + reg);
 826}
 827
 828static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
 829{
 830        struct drm_psb_private *dev_priv = dev->dev_private;
 831        return ioread32(dev_priv->aux_reg + reg);
 832}
 833
 834#define REG_READ(reg)          REGISTER_READ(dev, (reg))
 835#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
 836
 837/* Useful for post reads */
 838static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
 839                                              uint32_t reg, int aux)
 840{
 841        uint32_t val;
 842
 843        if (aux)
 844                val = REG_READ_AUX(reg);
 845        else
 846                val = REG_READ(reg);
 847
 848        return val;
 849}
 850
 851#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
 852
 853static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 854                                  uint32_t val)
 855{
 856        struct drm_psb_private *dev_priv = dev->dev_private;
 857        iowrite32((val), dev_priv->vdc_reg + (reg));
 858}
 859
 860static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
 861                                      uint32_t val)
 862{
 863        struct drm_psb_private *dev_priv = dev->dev_private;
 864        iowrite32((val), dev_priv->aux_reg + (reg));
 865}
 866
 867#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 868#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
 869
 870static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
 871                                      uint32_t val, int aux)
 872{
 873        if (aux)
 874                REG_WRITE_AUX(reg, val);
 875        else
 876                REG_WRITE(reg, val);
 877}
 878
 879#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
 880
 881static inline void REGISTER_WRITE16(struct drm_device *dev,
 882                                        uint32_t reg, uint32_t val)
 883{
 884        struct drm_psb_private *dev_priv = dev->dev_private;
 885        iowrite16((val), dev_priv->vdc_reg + (reg));
 886}
 887
 888#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 889
 890static inline void REGISTER_WRITE8(struct drm_device *dev,
 891                                       uint32_t reg, uint32_t val)
 892{
 893        struct drm_psb_private *dev_priv = dev->dev_private;
 894        iowrite8((val), dev_priv->vdc_reg + (reg));
 895}
 896
 897#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 898
 899#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 900#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 901
 902/* #define TRAP_SGX_PM_FAULT 1 */
 903#ifdef TRAP_SGX_PM_FAULT
 904#define PSB_RSGX32(_offs)                                               \
 905({                                                                      \
 906        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 907                pr_err("access sgx when it's off!! (READ) %s, %d\n",    \
 908                       __FILE__, __LINE__);                             \
 909                melay(1000);                                            \
 910        }                                                               \
 911        ioread32(dev_priv->sgx_reg + (_offs));                          \
 912})
 913#else
 914#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 915#endif
 916#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 917
 918#define MSVDX_REG_DUMP 0
 919
 920#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 921#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 922
 923#endif
 924