linux/drivers/gpu/drm/gma500/psb_drv.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/**************************************************************************
   3 * Copyright (c) 2007-2011, Intel Corporation.
   4 * All Rights Reserved.
   5 *
   6 **************************************************************************/
   7
   8#ifndef _PSB_DRV_H_
   9#define _PSB_DRV_H_
  10
  11#include <linux/kref.h>
  12#include <linux/mm_types.h>
  13
  14#include <drm/drm_device.h>
  15
  16#include "gma_display.h"
  17#include "gtt.h"
  18#include "intel_bios.h"
  19#include "mmu.h"
  20#include "oaktrail.h"
  21#include "opregion.h"
  22#include "power.h"
  23#include "psb_intel_drv.h"
  24#include "psb_reg.h"
  25
  26#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
  27
  28#define DRIVER_NAME "gma500"
  29#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
  30#define DRIVER_DATE "20140314"
  31
  32#define DRIVER_MAJOR 1
  33#define DRIVER_MINOR 0
  34#define DRIVER_PATCHLEVEL 0
  35
  36/* Append new drm mode definition here, align with libdrm definition */
  37#define DRM_MODE_SCALE_NO_SCALE         2
  38
  39enum {
  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)->pdev->device & 0xfffe) == 0x8108)
  47#define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
  48#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
  49#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
  50
  51/* Hardware offsets */
  52#define PSB_VDC_OFFSET           0x00000000
  53#define PSB_VDC_SIZE             0x000080000
  54#define MRST_MMIO_SIZE           0x0000C0000
  55#define MDFLD_MMIO_SIZE          0x000100000
  56#define PSB_SGX_SIZE             0x8000
  57#define PSB_SGX_OFFSET           0x00040000
  58#define MRST_SGX_OFFSET          0x00080000
  59
  60/* PCI resource identifiers */
  61#define PSB_MMIO_RESOURCE        0
  62#define PSB_AUX_RESOURCE         0
  63#define PSB_GATT_RESOURCE        2
  64#define PSB_GTT_RESOURCE         3
  65
  66/* PCI configuration */
  67#define PSB_GMCH_CTRL            0x52
  68#define PSB_BSM                  0x5C
  69#define _PSB_GMCH_ENABLED        0x4
  70#define PSB_PGETBL_CTL           0x2020
  71#define _PSB_PGETBL_ENABLED      0x00000001
  72#define PSB_SGX_2D_SLAVE_PORT    0x4000
  73#define PSB_LPC_GBA              0x44
  74
  75/* TODO: To get rid of */
  76#define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
  77#define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
  78
  79/* SGX side MMU definitions (these can probably go) */
  80
  81/* Flags for external memory type field */
  82#define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
  83#define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
  84#define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
  85
  86/* PTE's and PDE's */
  87#define PSB_PDE_MASK              0x003FFFFF
  88#define PSB_PDE_SHIFT             22
  89#define PSB_PTE_SHIFT             12
  90
  91/* Cache control */
  92#define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
  93#define PSB_PTE_WO                0x0002        /* Write only */
  94#define PSB_PTE_RO                0x0004        /* Read only */
  95#define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
  96
  97/* VDC registers and bits */
  98#define PSB_MSVDX_CLOCKGATING     0x2064
  99#define PSB_TOPAZ_CLOCKGATING     0x2068
 100#define PSB_HWSTAM                0x2098
 101#define PSB_INSTPM                0x20C0
 102#define PSB_INT_IDENTITY_R        0x20A4
 103#define _PSB_IRQ_ASLE             (1<<0)
 104#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
 105#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
 106#define _PSB_DPST_PIPEB_FLAG      (1<<4)
 107#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
 108#define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
 109#define _PSB_DPST_PIPEA_FLAG      (1<<6)
 110#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
 111#define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
 112#define _MDFLD_MIPIA_FLAG         (1<<16)
 113#define _MDFLD_MIPIC_FLAG         (1<<17)
 114#define _PSB_IRQ_DISP_HOTSYNC     (1<<17)
 115#define _PSB_IRQ_SGX_FLAG         (1<<18)
 116#define _PSB_IRQ_MSVDX_FLAG       (1<<19)
 117#define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
 118
 119#define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
 120                                 _PSB_VSYNC_PIPEB_FLAG)
 121
 122/* This flag includes all the display IRQ bits excepts the vblank irqs. */
 123#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
 124                                  _MDFLD_PIPEB_EVENT_FLAG | \
 125                                  _PSB_PIPEA_EVENT_FLAG | \
 126                                  _PSB_VSYNC_PIPEA_FLAG | \
 127                                  _MDFLD_MIPIA_FLAG | \
 128                                  _MDFLD_MIPIC_FLAG)
 129#define PSB_INT_IDENTITY_R        0x20A4
 130#define PSB_INT_MASK_R            0x20A8
 131#define PSB_INT_ENABLE_R          0x20A0
 132
 133#define _PSB_MMU_ER_MASK      0x0001FF00
 134#define _PSB_MMU_ER_HOST      (1 << 16)
 135#define GPIOA                   0x5010
 136#define GPIOB                   0x5014
 137#define GPIOC                   0x5018
 138#define GPIOD                   0x501c
 139#define GPIOE                   0x5020
 140#define GPIOF                   0x5024
 141#define GPIOG                   0x5028
 142#define GPIOH                   0x502c
 143#define GPIO_CLOCK_DIR_MASK             (1 << 0)
 144#define GPIO_CLOCK_DIR_IN               (0 << 1)
 145#define GPIO_CLOCK_DIR_OUT              (1 << 1)
 146#define GPIO_CLOCK_VAL_MASK             (1 << 2)
 147#define GPIO_CLOCK_VAL_OUT              (1 << 3)
 148#define GPIO_CLOCK_VAL_IN               (1 << 4)
 149#define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
 150#define GPIO_DATA_DIR_MASK              (1 << 8)
 151#define GPIO_DATA_DIR_IN                (0 << 9)
 152#define GPIO_DATA_DIR_OUT               (1 << 9)
 153#define GPIO_DATA_VAL_MASK              (1 << 10)
 154#define GPIO_DATA_VAL_OUT               (1 << 11)
 155#define GPIO_DATA_VAL_IN                (1 << 12)
 156#define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
 157
 158#define VCLK_DIVISOR_VGA0   0x6000
 159#define VCLK_DIVISOR_VGA1   0x6004
 160#define VCLK_POST_DIV       0x6010
 161
 162#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
 163#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
 164#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
 165#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
 166#define PSB_COMM_USER_IRQ (1024 >> 2)
 167#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
 168#define PSB_COMM_FW (2048 >> 2)
 169
 170#define PSB_UIRQ_VISTEST               1
 171#define PSB_UIRQ_OOM_REPLY             2
 172#define PSB_UIRQ_FIRE_TA_REPLY         3
 173#define PSB_UIRQ_FIRE_RASTER_REPLY     4
 174
 175#define PSB_2D_SIZE (256*1024*1024)
 176#define PSB_MAX_RELOC_PAGES 1024
 177
 178#define PSB_LOW_REG_OFFS 0x0204
 179#define PSB_HIGH_REG_OFFS 0x0600
 180
 181#define PSB_NUM_VBLANKS 2
 182
 183
 184#define PSB_2D_SIZE (256*1024*1024)
 185#define PSB_MAX_RELOC_PAGES 1024
 186
 187#define PSB_LOW_REG_OFFS 0x0204
 188#define PSB_HIGH_REG_OFFS 0x0600
 189
 190#define PSB_NUM_VBLANKS 2
 191#define PSB_WATCHDOG_DELAY (HZ * 2)
 192#define PSB_LID_DELAY (HZ / 10)
 193
 194#define MDFLD_PNW_B0 0x04
 195#define MDFLD_PNW_C0 0x08
 196
 197#define MDFLD_DSR_2D_3D_0       (1 << 0)
 198#define MDFLD_DSR_2D_3D_2       (1 << 1)
 199#define MDFLD_DSR_CURSOR_0      (1 << 2)
 200#define MDFLD_DSR_CURSOR_2      (1 << 3)
 201#define MDFLD_DSR_OVERLAY_0     (1 << 4)
 202#define MDFLD_DSR_OVERLAY_2     (1 << 5)
 203#define MDFLD_DSR_MIPI_CONTROL  (1 << 6)
 204#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
 205#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
 206#define MDFLD_DSR_2D_3D         (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
 207
 208#define MDFLD_DSR_RR            45
 209#define MDFLD_DPU_ENABLE        (1 << 31)
 210#define MDFLD_DSR_FULLSCREEN    (1 << 30)
 211#define MDFLD_DSR_DELAY         (HZ / MDFLD_DSR_RR)
 212
 213#define PSB_PWR_STATE_ON                1
 214#define PSB_PWR_STATE_OFF               2
 215
 216#define PSB_PMPOLICY_NOPM               0
 217#define PSB_PMPOLICY_CLOCKGATING        1
 218#define PSB_PMPOLICY_POWERDOWN          2
 219
 220#define PSB_PMSTATE_POWERUP             0
 221#define PSB_PMSTATE_CLOCKGATED          1
 222#define PSB_PMSTATE_POWERDOWN           2
 223#define PSB_PCIx_MSI_ADDR_LOC           0x94
 224#define PSB_PCIx_MSI_DATA_LOC           0x98
 225
 226/* Medfield crystal settings */
 227#define KSEL_CRYSTAL_19 1
 228#define KSEL_BYPASS_19 5
 229#define KSEL_BYPASS_25 6
 230#define KSEL_BYPASS_83_100 7
 231
 232struct drm_fb_helper;
 233
 234struct opregion_header;
 235struct opregion_acpi;
 236struct opregion_swsci;
 237struct opregion_asle;
 238
 239struct psb_intel_opregion {
 240        struct opregion_header *header;
 241        struct opregion_acpi *acpi;
 242        struct opregion_swsci *swsci;
 243        struct opregion_asle *asle;
 244        void *vbt;
 245        u32 __iomem *lid_state;
 246        struct work_struct asle_work;
 247};
 248
 249struct sdvo_device_mapping {
 250        u8 initialized;
 251        u8 dvo_port;
 252        u8 slave_addr;
 253        u8 dvo_wiring;
 254        u8 i2c_pin;
 255        u8 i2c_speed;
 256        u8 ddc_pin;
 257};
 258
 259struct intel_gmbus {
 260        struct i2c_adapter adapter;
 261        struct i2c_adapter *force_bit;
 262        u32 reg0;
 263};
 264
 265/* Register offset maps */
 266struct psb_offset {
 267        u32     fp0;
 268        u32     fp1;
 269        u32     cntr;
 270        u32     conf;
 271        u32     src;
 272        u32     dpll;
 273        u32     dpll_md;
 274        u32     htotal;
 275        u32     hblank;
 276        u32     hsync;
 277        u32     vtotal;
 278        u32     vblank;
 279        u32     vsync;
 280        u32     stride;
 281        u32     size;
 282        u32     pos;
 283        u32     surf;
 284        u32     addr;
 285        u32     base;
 286        u32     status;
 287        u32     linoff;
 288        u32     tileoff;
 289        u32     palette;
 290};
 291
 292/*
 293 *      Register save state. This is used to hold the context when the
 294 *      device is powered off. In the case of Oaktrail this can (but does not
 295 *      yet) include screen blank. Operations occuring during the save
 296 *      update the register cache instead.
 297 */
 298
 299/* Common status for pipes */
 300struct psb_pipe {
 301        u32     fp0;
 302        u32     fp1;
 303        u32     cntr;
 304        u32     conf;
 305        u32     src;
 306        u32     dpll;
 307        u32     dpll_md;
 308        u32     htotal;
 309        u32     hblank;
 310        u32     hsync;
 311        u32     vtotal;
 312        u32     vblank;
 313        u32     vsync;
 314        u32     stride;
 315        u32     size;
 316        u32     pos;
 317        u32     base;
 318        u32     surf;
 319        u32     addr;
 320        u32     status;
 321        u32     linoff;
 322        u32     tileoff;
 323        u32     palette[256];
 324};
 325
 326struct psb_state {
 327        uint32_t saveVCLK_DIVISOR_VGA0;
 328        uint32_t saveVCLK_DIVISOR_VGA1;
 329        uint32_t saveVCLK_POST_DIV;
 330        uint32_t saveVGACNTRL;
 331        uint32_t saveADPA;
 332        uint32_t saveLVDS;
 333        uint32_t saveDVOA;
 334        uint32_t saveDVOB;
 335        uint32_t saveDVOC;
 336        uint32_t savePP_ON;
 337        uint32_t savePP_OFF;
 338        uint32_t savePP_CONTROL;
 339        uint32_t savePP_CYCLE;
 340        uint32_t savePFIT_CONTROL;
 341        uint32_t saveCLOCKGATING;
 342        uint32_t saveDSPARB;
 343        uint32_t savePFIT_AUTO_RATIOS;
 344        uint32_t savePFIT_PGM_RATIOS;
 345        uint32_t savePP_ON_DELAYS;
 346        uint32_t savePP_OFF_DELAYS;
 347        uint32_t savePP_DIVISOR;
 348        uint32_t saveBCLRPAT_A;
 349        uint32_t saveBCLRPAT_B;
 350        uint32_t savePERF_MODE;
 351        uint32_t saveDSPFW1;
 352        uint32_t saveDSPFW2;
 353        uint32_t saveDSPFW3;
 354        uint32_t saveDSPFW4;
 355        uint32_t saveDSPFW5;
 356        uint32_t saveDSPFW6;
 357        uint32_t saveCHICKENBIT;
 358        uint32_t saveDSPACURSOR_CTRL;
 359        uint32_t saveDSPBCURSOR_CTRL;
 360        uint32_t saveDSPACURSOR_BASE;
 361        uint32_t saveDSPBCURSOR_BASE;
 362        uint32_t saveDSPACURSOR_POS;
 363        uint32_t saveDSPBCURSOR_POS;
 364        uint32_t saveOV_OVADD;
 365        uint32_t saveOV_OGAMC0;
 366        uint32_t saveOV_OGAMC1;
 367        uint32_t saveOV_OGAMC2;
 368        uint32_t saveOV_OGAMC3;
 369        uint32_t saveOV_OGAMC4;
 370        uint32_t saveOV_OGAMC5;
 371        uint32_t saveOVC_OVADD;
 372        uint32_t saveOVC_OGAMC0;
 373        uint32_t saveOVC_OGAMC1;
 374        uint32_t saveOVC_OGAMC2;
 375        uint32_t saveOVC_OGAMC3;
 376        uint32_t saveOVC_OGAMC4;
 377        uint32_t saveOVC_OGAMC5;
 378
 379        /* DPST register save */
 380        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 381        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 382        uint32_t savePWM_CONTROL_LOGIC;
 383};
 384
 385struct medfield_state {
 386        uint32_t saveMIPI;
 387        uint32_t saveMIPI_C;
 388
 389        uint32_t savePFIT_CONTROL;
 390        uint32_t savePFIT_PGM_RATIOS;
 391        uint32_t saveHDMIPHYMISCCTL;
 392        uint32_t saveHDMIB_CONTROL;
 393};
 394
 395struct cdv_state {
 396        uint32_t saveDSPCLK_GATE_D;
 397        uint32_t saveRAMCLK_GATE_D;
 398        uint32_t saveDSPARB;
 399        uint32_t saveDSPFW[6];
 400        uint32_t saveADPA;
 401        uint32_t savePP_CONTROL;
 402        uint32_t savePFIT_PGM_RATIOS;
 403        uint32_t saveLVDS;
 404        uint32_t savePFIT_CONTROL;
 405        uint32_t savePP_ON_DELAYS;
 406        uint32_t savePP_OFF_DELAYS;
 407        uint32_t savePP_CYCLE;
 408        uint32_t saveVGACNTRL;
 409        uint32_t saveIER;
 410        uint32_t saveIMR;
 411        u8       saveLBB;
 412};
 413
 414struct psb_save_area {
 415        struct psb_pipe pipe[3];
 416        uint32_t saveBSM;
 417        uint32_t saveVBT;
 418        union {
 419                struct psb_state psb;
 420                struct medfield_state mdfld;
 421                struct cdv_state cdv;
 422        };
 423        uint32_t saveBLC_PWM_CTL2;
 424        uint32_t saveBLC_PWM_CTL;
 425};
 426
 427struct psb_ops;
 428
 429#define PSB_NUM_PIPE            3
 430
 431struct drm_psb_private {
 432        struct drm_device *dev;
 433        struct pci_dev *aux_pdev; /* Currently only used by mrst */
 434        struct pci_dev *lpc_pdev; /* Currently only used by mrst */
 435        const struct psb_ops *ops;
 436        const struct psb_offset *regmap;
 437
 438        struct child_device_config *child_dev;
 439        int child_dev_num;
 440
 441        struct psb_gtt gtt;
 442
 443        /* GTT Memory manager */
 444        struct psb_gtt_mm *gtt_mm;
 445        struct page *scratch_page;
 446        u32 __iomem *gtt_map;
 447        uint32_t stolen_base;
 448        u8 __iomem *vram_addr;
 449        unsigned long vram_stolen_size;
 450        int gtt_initialized;
 451        u16 gmch_ctrl;          /* Saved GTT setup */
 452        u32 pge_ctl;
 453
 454        struct mutex gtt_mutex;
 455        struct resource *gtt_mem;       /* Our PCI resource */
 456
 457        struct mutex mmap_mutex;
 458
 459        struct psb_mmu_driver *mmu;
 460        struct psb_mmu_pd *pf_pd;
 461
 462        /* Register base */
 463        uint8_t __iomem *sgx_reg;
 464        uint8_t __iomem *vdc_reg;
 465        uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
 466        uint16_t lpc_gpio_base;
 467        uint32_t gatt_free_offset;
 468
 469        /* Fencing / irq */
 470        uint32_t vdc_irq_mask;
 471        uint32_t pipestat[PSB_NUM_PIPE];
 472
 473        spinlock_t irqmask_lock;
 474
 475        /* Power */
 476        bool suspended;
 477        bool display_power;
 478        int display_count;
 479
 480        /* Modesetting */
 481        struct psb_intel_mode_device mode_dev;
 482        bool modeset;   /* true if we have done the mode_device setup */
 483
 484        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 485        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 486        uint32_t num_pipe;
 487
 488        /* OSPM info (Power management base) (TODO: can go ?) */
 489        uint32_t ospm_base;
 490
 491        /* Sizes info */
 492        u32 fuse_reg_value;
 493        u32 video_device_fuse;
 494
 495        /* PCI revision ID for B0:D2:F0 */
 496        uint8_t platform_rev_id;
 497
 498        /* gmbus */
 499        struct intel_gmbus *gmbus;
 500        uint8_t __iomem *gmbus_reg;
 501
 502        /* Used by SDVO */
 503        int crt_ddc_pin;
 504        /* FIXME: The mappings should be parsed from bios but for now we can
 505                  pretend there are no mappings available */
 506        struct sdvo_device_mapping sdvo_mappings[2];
 507        u32 hotplug_supported_mask;
 508        struct drm_property *broadcast_rgb_property;
 509        struct drm_property *force_audio_property;
 510
 511        /* LVDS info */
 512        int backlight_duty_cycle;       /* restore backlight to this value */
 513        bool panel_wants_dither;
 514        struct drm_display_mode *panel_fixed_mode;
 515        struct drm_display_mode *lfp_lvds_vbt_mode;
 516        struct drm_display_mode *sdvo_lvds_vbt_mode;
 517
 518        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 519        struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 520
 521        /* Feature bits from the VBIOS */
 522        unsigned int int_tv_support:1;
 523        unsigned int lvds_dither:1;
 524        unsigned int lvds_vbt:1;
 525        unsigned int int_crt_support:1;
 526        unsigned int lvds_use_ssc:1;
 527        int lvds_ssc_freq;
 528        bool is_lvds_on;
 529        bool is_mipi_on;
 530        bool lvds_enabled_in_vbt;
 531        u32 mipi_ctrl_display;
 532
 533        unsigned int core_freq;
 534        uint32_t iLVDS_enable;
 535
 536        /* Runtime PM state */
 537        int rpm_enabled;
 538
 539        /* MID specific */
 540        bool has_gct;
 541        struct oaktrail_gct_data gct_data;
 542
 543        /* Oaktrail HDMI state */
 544        struct oaktrail_hdmi_dev *hdmi_priv;
 545
 546        /* Register state */
 547        struct psb_save_area regs;
 548
 549        /* MSI reg save */
 550        uint32_t msi_addr;
 551        uint32_t msi_data;
 552
 553        /* Hotplug handling */
 554        struct work_struct hotplug_work;
 555
 556        /* LID-Switch */
 557        spinlock_t lid_lock;
 558        struct timer_list lid_timer;
 559        struct psb_intel_opregion opregion;
 560        u32 lid_last_state;
 561
 562        /* Watchdog */
 563        uint32_t apm_reg;
 564        uint16_t apm_base;
 565
 566        /*
 567         * Used for modifying backlight from
 568         * xrandr -- consider removing and using HAL instead
 569         */
 570        struct backlight_device *backlight_device;
 571        struct drm_property *backlight_property;
 572        bool backlight_enabled;
 573        int backlight_level;
 574        uint32_t blc_adj1;
 575        uint32_t blc_adj2;
 576
 577        struct drm_fb_helper *fb_helper;
 578
 579        /* 2D acceleration */
 580        spinlock_t lock_2d;
 581
 582        /* Panel brightness */
 583        int brightness;
 584        int brightness_adjusted;
 585
 586        bool dsr_enable;
 587        u32 dsr_fb_update;
 588        bool dpi_panel_on[3];
 589        void *dsi_configs[2];
 590        u32 bpp;
 591        u32 bpp2;
 592
 593        u32 pipeconf[3];
 594        u32 dspcntr[3];
 595
 596        int mdfld_panel_id;
 597
 598        bool dplla_96mhz;       /* DPLL data from the VBT */
 599
 600        struct {
 601                int rate;
 602                int lanes;
 603                int preemphasis;
 604                int vswing;
 605
 606                bool initialized;
 607                bool support;
 608                int bpp;
 609                struct edp_power_seq pps;
 610        } edp;
 611        uint8_t panel_type;
 612};
 613
 614
 615/* Operations for each board type */
 616struct psb_ops {
 617        const char *name;
 618        unsigned int accel_2d:1;
 619        int pipes;              /* Number of output pipes */
 620        int crtcs;              /* Number of CRTCs */
 621        int sgx_offset;         /* Base offset of SGX device */
 622        int hdmi_mask;          /* Mask of HDMI CRTCs */
 623        int lvds_mask;          /* Mask of LVDS CRTCs */
 624        int sdvo_mask;          /* Mask of SDVO CRTCs */
 625        int cursor_needs_phys;  /* If cursor base reg need physical address */
 626
 627        /* Sub functions */
 628        struct drm_crtc_helper_funcs const *crtc_helper;
 629        struct drm_crtc_funcs const *crtc_funcs;
 630        const struct gma_clock_funcs *clock_funcs;
 631
 632        /* Setup hooks */
 633        int (*chip_setup)(struct drm_device *dev);
 634        void (*chip_teardown)(struct drm_device *dev);
 635        /* Optional helper caller after modeset */
 636        void (*errata)(struct drm_device *dev);
 637
 638        /* Display management hooks */
 639        int (*output_init)(struct drm_device *dev);
 640        int (*hotplug)(struct drm_device *dev);
 641        void (*hotplug_enable)(struct drm_device *dev, bool on);
 642        /* Power management hooks */
 643        void (*init_pm)(struct drm_device *dev);
 644        int (*save_regs)(struct drm_device *dev);
 645        int (*restore_regs)(struct drm_device *dev);
 646        void (*save_crtc)(struct drm_crtc *crtc);
 647        void (*restore_crtc)(struct drm_crtc *crtc);
 648        int (*power_up)(struct drm_device *dev);
 649        int (*power_down)(struct drm_device *dev);
 650        void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
 651        void (*disable_sr)(struct drm_device *dev);
 652
 653        void (*lvds_bl_power)(struct drm_device *dev, bool on);
 654#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 655        /* Backlight */
 656        int (*backlight_init)(struct drm_device *dev);
 657#endif
 658        int i2c_bus;            /* I2C bus identifier for Moorestown */
 659};
 660
 661
 662
 663extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 664extern int drm_pick_crtcs(struct drm_device *dev);
 665
 666static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 667{
 668        return (struct drm_psb_private *) dev->dev_private;
 669}
 670
 671/* psb_irq.c */
 672extern irqreturn_t psb_irq_handler(int irq, void *arg);
 673extern int psb_irq_enable_dpst(struct drm_device *dev);
 674extern int psb_irq_disable_dpst(struct drm_device *dev);
 675extern void psb_irq_preinstall(struct drm_device *dev);
 676extern int psb_irq_postinstall(struct drm_device *dev);
 677extern void psb_irq_uninstall(struct drm_device *dev);
 678extern void psb_irq_turn_on_dpst(struct drm_device *dev);
 679extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 680
 681extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 682extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 683extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 684extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
 685extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
 686void
 687psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 688
 689void
 690psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 691
 692extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 693
 694/* framebuffer.c */
 695extern int psbfb_probed(struct drm_device *dev);
 696extern int psbfb_remove(struct drm_device *dev,
 697                        struct drm_framebuffer *fb);
 698/* accel_2d.c */
 699extern void psbfb_copyarea(struct fb_info *info,
 700                                        const struct fb_copyarea *region);
 701extern int psbfb_sync(struct fb_info *info);
 702extern void psb_spank(struct drm_psb_private *dev_priv);
 703
 704/* psb_reset.c */
 705extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 706extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 707extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 708
 709/* modesetting */
 710extern void psb_modeset_init(struct drm_device *dev);
 711extern void psb_modeset_cleanup(struct drm_device *dev);
 712extern int psb_fbdev_init(struct drm_device *dev);
 713
 714/* backlight.c */
 715int gma_backlight_init(struct drm_device *dev);
 716void gma_backlight_exit(struct drm_device *dev);
 717void gma_backlight_disable(struct drm_device *dev);
 718void gma_backlight_enable(struct drm_device *dev);
 719void gma_backlight_set(struct drm_device *dev, int v);
 720
 721/* oaktrail_crtc.c */
 722extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 723
 724/* oaktrail_lvds.c */
 725extern void oaktrail_lvds_init(struct drm_device *dev,
 726                    struct psb_intel_mode_device *mode_dev);
 727
 728/* psb_intel_display.c */
 729extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 730extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
 731
 732/* psb_intel_lvds.c */
 733extern const struct drm_connector_helper_funcs
 734                                        psb_intel_lvds_connector_helper_funcs;
 735extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 736
 737/* gem.c */
 738extern void psb_gem_free_object(struct drm_gem_object *obj);
 739extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
 740                        struct drm_file *file);
 741extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 742                        struct drm_mode_create_dumb *args);
 743extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
 744
 745/* psb_device.c */
 746extern const struct psb_ops psb_chip_ops;
 747
 748/* oaktrail_device.c */
 749extern const struct psb_ops oaktrail_chip_ops;
 750
 751/* mdlfd_device.c */
 752extern const struct psb_ops mdfld_chip_ops;
 753
 754/* cdv_device.c */
 755extern const struct psb_ops cdv_chip_ops;
 756
 757/* Debug print bits setting */
 758#define PSB_D_GENERAL (1 << 0)
 759#define PSB_D_INIT    (1 << 1)
 760#define PSB_D_IRQ     (1 << 2)
 761#define PSB_D_ENTRY   (1 << 3)
 762/* debug the get H/V BP/FP count */
 763#define PSB_D_HV      (1 << 4)
 764#define PSB_D_DBI_BF  (1 << 5)
 765#define PSB_D_PM      (1 << 6)
 766#define PSB_D_RENDER  (1 << 7)
 767#define PSB_D_REG     (1 << 8)
 768#define PSB_D_MSVDX   (1 << 9)
 769#define PSB_D_TOPAZ   (1 << 10)
 770
 771extern int drm_idle_check_interval;
 772
 773/* Utilities */
 774static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
 775{
 776        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 777        uint32_t ret_val = 0;
 778        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 779        pci_write_config_dword(pci_root, 0xD0, mcr);
 780        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 781        pci_dev_put(pci_root);
 782        return ret_val;
 783}
 784static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
 785                                    u32 value)
 786{
 787        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 788        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 789        pci_write_config_dword(pci_root, 0xD4, value);
 790        pci_write_config_dword(pci_root, 0xD0, mcr);
 791        pci_dev_put(pci_root);
 792}
 793static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
 794{
 795        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 796        uint32_t ret_val = 0;
 797        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 798        pci_write_config_dword(pci_root, 0xD0, mcr);
 799        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 800        pci_dev_put(pci_root);
 801        return ret_val;
 802}
 803static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
 804                                     u32 value)
 805{
 806        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 807        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 808        pci_write_config_dword(pci_root, 0xD4, value);
 809        pci_write_config_dword(pci_root, 0xD0, mcr);
 810        pci_dev_put(pci_root);
 811}
 812
 813static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 814{
 815        struct drm_psb_private *dev_priv = dev->dev_private;
 816        return ioread32(dev_priv->vdc_reg + reg);
 817}
 818
 819static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
 820{
 821        struct drm_psb_private *dev_priv = dev->dev_private;
 822        return ioread32(dev_priv->aux_reg + reg);
 823}
 824
 825#define REG_READ(reg)          REGISTER_READ(dev, (reg))
 826#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
 827
 828/* Useful for post reads */
 829static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
 830                                              uint32_t reg, int aux)
 831{
 832        uint32_t val;
 833
 834        if (aux)
 835                val = REG_READ_AUX(reg);
 836        else
 837                val = REG_READ(reg);
 838
 839        return val;
 840}
 841
 842#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
 843
 844static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 845                                  uint32_t val)
 846{
 847        struct drm_psb_private *dev_priv = dev->dev_private;
 848        iowrite32((val), dev_priv->vdc_reg + (reg));
 849}
 850
 851static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
 852                                      uint32_t val)
 853{
 854        struct drm_psb_private *dev_priv = dev->dev_private;
 855        iowrite32((val), dev_priv->aux_reg + (reg));
 856}
 857
 858#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 859#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
 860
 861static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
 862                                      uint32_t val, int aux)
 863{
 864        if (aux)
 865                REG_WRITE_AUX(reg, val);
 866        else
 867                REG_WRITE(reg, val);
 868}
 869
 870#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
 871
 872static inline void REGISTER_WRITE16(struct drm_device *dev,
 873                                        uint32_t reg, uint32_t val)
 874{
 875        struct drm_psb_private *dev_priv = dev->dev_private;
 876        iowrite16((val), dev_priv->vdc_reg + (reg));
 877}
 878
 879#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 880
 881static inline void REGISTER_WRITE8(struct drm_device *dev,
 882                                       uint32_t reg, uint32_t val)
 883{
 884        struct drm_psb_private *dev_priv = dev->dev_private;
 885        iowrite8((val), dev_priv->vdc_reg + (reg));
 886}
 887
 888#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 889
 890#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 891#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 892
 893/* #define TRAP_SGX_PM_FAULT 1 */
 894#ifdef TRAP_SGX_PM_FAULT
 895#define PSB_RSGX32(_offs)                                               \
 896({                                                                      \
 897        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 898                pr_err("access sgx when it's off!! (READ) %s, %d\n",    \
 899                       __FILE__, __LINE__);                             \
 900                melay(1000);                                            \
 901        }                                                               \
 902        ioread32(dev_priv->sgx_reg + (_offs));                          \
 903})
 904#else
 905#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 906#endif
 907#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 908
 909#define MSVDX_REG_DUMP 0
 910
 911#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 912#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 913
 914#endif
 915