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 opregion_header;
 233struct opregion_acpi;
 234struct opregion_swsci;
 235struct opregion_asle;
 236
 237struct psb_intel_opregion {
 238        struct opregion_header *header;
 239        struct opregion_acpi *acpi;
 240        struct opregion_swsci *swsci;
 241        struct opregion_asle *asle;
 242        void *vbt;
 243        u32 __iomem *lid_state;
 244        struct work_struct asle_work;
 245};
 246
 247struct sdvo_device_mapping {
 248        u8 initialized;
 249        u8 dvo_port;
 250        u8 slave_addr;
 251        u8 dvo_wiring;
 252        u8 i2c_pin;
 253        u8 i2c_speed;
 254        u8 ddc_pin;
 255};
 256
 257struct intel_gmbus {
 258        struct i2c_adapter adapter;
 259        struct i2c_adapter *force_bit;
 260        u32 reg0;
 261};
 262
 263/* Register offset maps */
 264struct psb_offset {
 265        u32     fp0;
 266        u32     fp1;
 267        u32     cntr;
 268        u32     conf;
 269        u32     src;
 270        u32     dpll;
 271        u32     dpll_md;
 272        u32     htotal;
 273        u32     hblank;
 274        u32     hsync;
 275        u32     vtotal;
 276        u32     vblank;
 277        u32     vsync;
 278        u32     stride;
 279        u32     size;
 280        u32     pos;
 281        u32     surf;
 282        u32     addr;
 283        u32     base;
 284        u32     status;
 285        u32     linoff;
 286        u32     tileoff;
 287        u32     palette;
 288};
 289
 290/*
 291 *      Register save state. This is used to hold the context when the
 292 *      device is powered off. In the case of Oaktrail this can (but does not
 293 *      yet) include screen blank. Operations occuring during the save
 294 *      update the register cache instead.
 295 */
 296
 297/* Common status for pipes */
 298struct psb_pipe {
 299        u32     fp0;
 300        u32     fp1;
 301        u32     cntr;
 302        u32     conf;
 303        u32     src;
 304        u32     dpll;
 305        u32     dpll_md;
 306        u32     htotal;
 307        u32     hblank;
 308        u32     hsync;
 309        u32     vtotal;
 310        u32     vblank;
 311        u32     vsync;
 312        u32     stride;
 313        u32     size;
 314        u32     pos;
 315        u32     base;
 316        u32     surf;
 317        u32     addr;
 318        u32     status;
 319        u32     linoff;
 320        u32     tileoff;
 321        u32     palette[256];
 322};
 323
 324struct psb_state {
 325        uint32_t saveVCLK_DIVISOR_VGA0;
 326        uint32_t saveVCLK_DIVISOR_VGA1;
 327        uint32_t saveVCLK_POST_DIV;
 328        uint32_t saveVGACNTRL;
 329        uint32_t saveADPA;
 330        uint32_t saveLVDS;
 331        uint32_t saveDVOA;
 332        uint32_t saveDVOB;
 333        uint32_t saveDVOC;
 334        uint32_t savePP_ON;
 335        uint32_t savePP_OFF;
 336        uint32_t savePP_CONTROL;
 337        uint32_t savePP_CYCLE;
 338        uint32_t savePFIT_CONTROL;
 339        uint32_t saveCLOCKGATING;
 340        uint32_t saveDSPARB;
 341        uint32_t savePFIT_AUTO_RATIOS;
 342        uint32_t savePFIT_PGM_RATIOS;
 343        uint32_t savePP_ON_DELAYS;
 344        uint32_t savePP_OFF_DELAYS;
 345        uint32_t savePP_DIVISOR;
 346        uint32_t saveBCLRPAT_A;
 347        uint32_t saveBCLRPAT_B;
 348        uint32_t savePERF_MODE;
 349        uint32_t saveDSPFW1;
 350        uint32_t saveDSPFW2;
 351        uint32_t saveDSPFW3;
 352        uint32_t saveDSPFW4;
 353        uint32_t saveDSPFW5;
 354        uint32_t saveDSPFW6;
 355        uint32_t saveCHICKENBIT;
 356        uint32_t saveDSPACURSOR_CTRL;
 357        uint32_t saveDSPBCURSOR_CTRL;
 358        uint32_t saveDSPACURSOR_BASE;
 359        uint32_t saveDSPBCURSOR_BASE;
 360        uint32_t saveDSPACURSOR_POS;
 361        uint32_t saveDSPBCURSOR_POS;
 362        uint32_t saveOV_OVADD;
 363        uint32_t saveOV_OGAMC0;
 364        uint32_t saveOV_OGAMC1;
 365        uint32_t saveOV_OGAMC2;
 366        uint32_t saveOV_OGAMC3;
 367        uint32_t saveOV_OGAMC4;
 368        uint32_t saveOV_OGAMC5;
 369        uint32_t saveOVC_OVADD;
 370        uint32_t saveOVC_OGAMC0;
 371        uint32_t saveOVC_OGAMC1;
 372        uint32_t saveOVC_OGAMC2;
 373        uint32_t saveOVC_OGAMC3;
 374        uint32_t saveOVC_OGAMC4;
 375        uint32_t saveOVC_OGAMC5;
 376
 377        /* DPST register save */
 378        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 379        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 380        uint32_t savePWM_CONTROL_LOGIC;
 381};
 382
 383struct medfield_state {
 384        uint32_t saveMIPI;
 385        uint32_t saveMIPI_C;
 386
 387        uint32_t savePFIT_CONTROL;
 388        uint32_t savePFIT_PGM_RATIOS;
 389        uint32_t saveHDMIPHYMISCCTL;
 390        uint32_t saveHDMIB_CONTROL;
 391};
 392
 393struct cdv_state {
 394        uint32_t saveDSPCLK_GATE_D;
 395        uint32_t saveRAMCLK_GATE_D;
 396        uint32_t saveDSPARB;
 397        uint32_t saveDSPFW[6];
 398        uint32_t saveADPA;
 399        uint32_t savePP_CONTROL;
 400        uint32_t savePFIT_PGM_RATIOS;
 401        uint32_t saveLVDS;
 402        uint32_t savePFIT_CONTROL;
 403        uint32_t savePP_ON_DELAYS;
 404        uint32_t savePP_OFF_DELAYS;
 405        uint32_t savePP_CYCLE;
 406        uint32_t saveVGACNTRL;
 407        uint32_t saveIER;
 408        uint32_t saveIMR;
 409        u8       saveLBB;
 410};
 411
 412struct psb_save_area {
 413        struct psb_pipe pipe[3];
 414        uint32_t saveBSM;
 415        uint32_t saveVBT;
 416        union {
 417                struct psb_state psb;
 418                struct medfield_state mdfld;
 419                struct cdv_state cdv;
 420        };
 421        uint32_t saveBLC_PWM_CTL2;
 422        uint32_t saveBLC_PWM_CTL;
 423};
 424
 425struct psb_ops;
 426
 427#define PSB_NUM_PIPE            3
 428
 429struct drm_psb_private {
 430        struct drm_device *dev;
 431        struct pci_dev *aux_pdev; /* Currently only used by mrst */
 432        struct pci_dev *lpc_pdev; /* Currently only used by mrst */
 433        const struct psb_ops *ops;
 434        const struct psb_offset *regmap;
 435        
 436        struct child_device_config *child_dev;
 437        int child_dev_num;
 438
 439        struct psb_gtt gtt;
 440
 441        /* GTT Memory manager */
 442        struct psb_gtt_mm *gtt_mm;
 443        struct page *scratch_page;
 444        u32 __iomem *gtt_map;
 445        uint32_t stolen_base;
 446        u8 __iomem *vram_addr;
 447        unsigned long vram_stolen_size;
 448        int gtt_initialized;
 449        u16 gmch_ctrl;          /* Saved GTT setup */
 450        u32 pge_ctl;
 451
 452        struct mutex gtt_mutex;
 453        struct resource *gtt_mem;       /* Our PCI resource */
 454
 455        struct mutex mmap_mutex;
 456
 457        struct psb_mmu_driver *mmu;
 458        struct psb_mmu_pd *pf_pd;
 459
 460        /* Register base */
 461        uint8_t __iomem *sgx_reg;
 462        uint8_t __iomem *vdc_reg;
 463        uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
 464        uint16_t lpc_gpio_base;
 465        uint32_t gatt_free_offset;
 466
 467        /* Fencing / irq */
 468        uint32_t vdc_irq_mask;
 469        uint32_t pipestat[PSB_NUM_PIPE];
 470
 471        spinlock_t irqmask_lock;
 472
 473        /* Power */
 474        bool suspended;
 475        bool display_power;
 476        int display_count;
 477
 478        /* Modesetting */
 479        struct psb_intel_mode_device mode_dev;
 480        bool modeset;   /* true if we have done the mode_device setup */
 481
 482        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 483        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 484        uint32_t num_pipe;
 485
 486        /* OSPM info (Power management base) (TODO: can go ?) */
 487        uint32_t ospm_base;
 488
 489        /* Sizes info */
 490        u32 fuse_reg_value;
 491        u32 video_device_fuse;
 492
 493        /* PCI revision ID for B0:D2:F0 */
 494        uint8_t platform_rev_id;
 495
 496        /* gmbus */
 497        struct intel_gmbus *gmbus;
 498        uint8_t __iomem *gmbus_reg;
 499
 500        /* Used by SDVO */
 501        int crt_ddc_pin;
 502        /* FIXME: The mappings should be parsed from bios but for now we can
 503                  pretend there are no mappings available */
 504        struct sdvo_device_mapping sdvo_mappings[2];
 505        u32 hotplug_supported_mask;
 506        struct drm_property *broadcast_rgb_property;
 507        struct drm_property *force_audio_property;
 508
 509        /* LVDS info */
 510        int backlight_duty_cycle;       /* restore backlight to this value */
 511        bool panel_wants_dither;
 512        struct drm_display_mode *panel_fixed_mode;
 513        struct drm_display_mode *lfp_lvds_vbt_mode;
 514        struct drm_display_mode *sdvo_lvds_vbt_mode;
 515
 516        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 517        struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 518
 519        /* Feature bits from the VBIOS */
 520        unsigned int int_tv_support:1;
 521        unsigned int lvds_dither:1;
 522        unsigned int lvds_vbt:1;
 523        unsigned int int_crt_support:1;
 524        unsigned int lvds_use_ssc:1;
 525        int lvds_ssc_freq;
 526        bool is_lvds_on;
 527        bool is_mipi_on;
 528        bool lvds_enabled_in_vbt;
 529        u32 mipi_ctrl_display;
 530
 531        unsigned int core_freq;
 532        uint32_t iLVDS_enable;
 533
 534        /* Runtime PM state */
 535        int rpm_enabled;
 536
 537        /* MID specific */
 538        bool has_gct;
 539        struct oaktrail_gct_data gct_data;
 540
 541        /* Oaktrail HDMI state */
 542        struct oaktrail_hdmi_dev *hdmi_priv;
 543        
 544        /* Register state */
 545        struct psb_save_area regs;
 546
 547        /* MSI reg save */
 548        uint32_t msi_addr;
 549        uint32_t msi_data;
 550
 551        /* Hotplug handling */
 552        struct work_struct hotplug_work;
 553
 554        /* LID-Switch */
 555        spinlock_t lid_lock;
 556        struct timer_list lid_timer;
 557        struct psb_intel_opregion opregion;
 558        u32 lid_last_state;
 559
 560        /* Watchdog */
 561        uint32_t apm_reg;
 562        uint16_t apm_base;
 563
 564        /*
 565         * Used for modifying backlight from
 566         * xrandr -- consider removing and using HAL instead
 567         */
 568        struct backlight_device *backlight_device;
 569        struct drm_property *backlight_property;
 570        bool backlight_enabled;
 571        int backlight_level;
 572        uint32_t blc_adj1;
 573        uint32_t blc_adj2;
 574
 575        void *fbdev;
 576
 577        /* 2D acceleration */
 578        spinlock_t lock_2d;
 579
 580        /* Panel brightness */
 581        int brightness;
 582        int brightness_adjusted;
 583
 584        bool dsr_enable;
 585        u32 dsr_fb_update;
 586        bool dpi_panel_on[3];
 587        void *dsi_configs[2];
 588        u32 bpp;
 589        u32 bpp2;
 590
 591        u32 pipeconf[3];
 592        u32 dspcntr[3];
 593
 594        int mdfld_panel_id;
 595
 596        bool dplla_96mhz;       /* DPLL data from the VBT */
 597
 598        struct {
 599                int rate;
 600                int lanes;
 601                int preemphasis;
 602                int vswing;
 603
 604                bool initialized;
 605                bool support;
 606                int bpp;
 607                struct edp_power_seq pps;
 608        } edp;
 609        uint8_t panel_type;
 610};
 611
 612
 613/* Operations for each board type */
 614struct psb_ops {
 615        const char *name;
 616        unsigned int accel_2d:1;
 617        int pipes;              /* Number of output pipes */
 618        int crtcs;              /* Number of CRTCs */
 619        int sgx_offset;         /* Base offset of SGX device */
 620        int hdmi_mask;          /* Mask of HDMI CRTCs */
 621        int lvds_mask;          /* Mask of LVDS CRTCs */
 622        int sdvo_mask;          /* Mask of SDVO CRTCs */
 623        int cursor_needs_phys;  /* If cursor base reg need physical address */
 624
 625        /* Sub functions */
 626        struct drm_crtc_helper_funcs const *crtc_helper;
 627        struct drm_crtc_funcs const *crtc_funcs;
 628        const struct gma_clock_funcs *clock_funcs;
 629
 630        /* Setup hooks */
 631        int (*chip_setup)(struct drm_device *dev);
 632        void (*chip_teardown)(struct drm_device *dev);
 633        /* Optional helper caller after modeset */
 634        void (*errata)(struct drm_device *dev);
 635
 636        /* Display management hooks */
 637        int (*output_init)(struct drm_device *dev);
 638        int (*hotplug)(struct drm_device *dev);
 639        void (*hotplug_enable)(struct drm_device *dev, bool on);
 640        /* Power management hooks */
 641        void (*init_pm)(struct drm_device *dev);
 642        int (*save_regs)(struct drm_device *dev);
 643        int (*restore_regs)(struct drm_device *dev);
 644        void (*save_crtc)(struct drm_crtc *crtc);
 645        void (*restore_crtc)(struct drm_crtc *crtc);
 646        int (*power_up)(struct drm_device *dev);
 647        int (*power_down)(struct drm_device *dev);
 648        void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
 649        void (*disable_sr)(struct drm_device *dev);
 650
 651        void (*lvds_bl_power)(struct drm_device *dev, bool on);
 652#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 653        /* Backlight */
 654        int (*backlight_init)(struct drm_device *dev);
 655#endif
 656        int i2c_bus;            /* I2C bus identifier for Moorestown */
 657};
 658
 659
 660
 661extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 662extern int drm_pick_crtcs(struct drm_device *dev);
 663
 664static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 665{
 666        return (struct drm_psb_private *) dev->dev_private;
 667}
 668
 669/* psb_irq.c */
 670extern irqreturn_t psb_irq_handler(int irq, void *arg);
 671extern int psb_irq_enable_dpst(struct drm_device *dev);
 672extern int psb_irq_disable_dpst(struct drm_device *dev);
 673extern void psb_irq_preinstall(struct drm_device *dev);
 674extern int psb_irq_postinstall(struct drm_device *dev);
 675extern void psb_irq_uninstall(struct drm_device *dev);
 676extern void psb_irq_turn_on_dpst(struct drm_device *dev);
 677extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 678
 679extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 680extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 681extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 682extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
 683extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
 684void
 685psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 686
 687void
 688psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 689
 690extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 691
 692/* framebuffer.c */
 693extern int psbfb_probed(struct drm_device *dev);
 694extern int psbfb_remove(struct drm_device *dev,
 695                        struct drm_framebuffer *fb);
 696/* accel_2d.c */
 697extern void psbfb_copyarea(struct fb_info *info,
 698                                        const struct fb_copyarea *region);
 699extern int psbfb_sync(struct fb_info *info);
 700extern void psb_spank(struct drm_psb_private *dev_priv);
 701
 702/* psb_reset.c */
 703extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 704extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 705extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 706
 707/* modesetting */
 708extern void psb_modeset_init(struct drm_device *dev);
 709extern void psb_modeset_cleanup(struct drm_device *dev);
 710extern int psb_fbdev_init(struct drm_device *dev);
 711
 712/* backlight.c */
 713int gma_backlight_init(struct drm_device *dev);
 714void gma_backlight_exit(struct drm_device *dev);
 715void gma_backlight_disable(struct drm_device *dev);
 716void gma_backlight_enable(struct drm_device *dev);
 717void gma_backlight_set(struct drm_device *dev, int v);
 718
 719/* oaktrail_crtc.c */
 720extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 721
 722/* oaktrail_lvds.c */
 723extern void oaktrail_lvds_init(struct drm_device *dev,
 724                    struct psb_intel_mode_device *mode_dev);
 725
 726/* psb_intel_display.c */
 727extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 728extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
 729
 730/* psb_intel_lvds.c */
 731extern const struct drm_connector_helper_funcs
 732                                        psb_intel_lvds_connector_helper_funcs;
 733extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 734
 735/* gem.c */
 736extern void psb_gem_free_object(struct drm_gem_object *obj);
 737extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
 738                        struct drm_file *file);
 739extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 740                        struct drm_mode_create_dumb *args);
 741extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
 742
 743/* psb_device.c */
 744extern const struct psb_ops psb_chip_ops;
 745
 746/* oaktrail_device.c */
 747extern const struct psb_ops oaktrail_chip_ops;
 748
 749/* mdlfd_device.c */
 750extern const struct psb_ops mdfld_chip_ops;
 751
 752/* cdv_device.c */
 753extern const struct psb_ops cdv_chip_ops;
 754
 755/* Debug print bits setting */
 756#define PSB_D_GENERAL (1 << 0)
 757#define PSB_D_INIT    (1 << 1)
 758#define PSB_D_IRQ     (1 << 2)
 759#define PSB_D_ENTRY   (1 << 3)
 760/* debug the get H/V BP/FP count */
 761#define PSB_D_HV      (1 << 4)
 762#define PSB_D_DBI_BF  (1 << 5)
 763#define PSB_D_PM      (1 << 6)
 764#define PSB_D_RENDER  (1 << 7)
 765#define PSB_D_REG     (1 << 8)
 766#define PSB_D_MSVDX   (1 << 9)
 767#define PSB_D_TOPAZ   (1 << 10)
 768
 769extern int drm_idle_check_interval;
 770
 771/* Utilities */
 772static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
 773{
 774        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 775        uint32_t ret_val = 0;
 776        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 777        pci_write_config_dword(pci_root, 0xD0, mcr);
 778        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 779        pci_dev_put(pci_root);
 780        return ret_val;
 781}
 782static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
 783                                    u32 value)
 784{
 785        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 786        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 787        pci_write_config_dword(pci_root, 0xD4, value);
 788        pci_write_config_dword(pci_root, 0xD0, mcr);
 789        pci_dev_put(pci_root);
 790}
 791static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
 792{
 793        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 794        uint32_t ret_val = 0;
 795        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 796        pci_write_config_dword(pci_root, 0xD0, mcr);
 797        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 798        pci_dev_put(pci_root);
 799        return ret_val;
 800}
 801static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
 802                                     u32 value)
 803{
 804        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 805        struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 806        pci_write_config_dword(pci_root, 0xD4, value);
 807        pci_write_config_dword(pci_root, 0xD0, mcr);
 808        pci_dev_put(pci_root);
 809}
 810
 811static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 812{
 813        struct drm_psb_private *dev_priv = dev->dev_private;
 814        return ioread32(dev_priv->vdc_reg + reg);
 815}
 816
 817static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
 818{
 819        struct drm_psb_private *dev_priv = dev->dev_private;
 820        return ioread32(dev_priv->aux_reg + reg);
 821}
 822
 823#define REG_READ(reg)          REGISTER_READ(dev, (reg))
 824#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
 825
 826/* Useful for post reads */
 827static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
 828                                              uint32_t reg, int aux)
 829{
 830        uint32_t val;
 831
 832        if (aux)
 833                val = REG_READ_AUX(reg);
 834        else
 835                val = REG_READ(reg);
 836
 837        return val;
 838}
 839
 840#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
 841
 842static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 843                                  uint32_t val)
 844{
 845        struct drm_psb_private *dev_priv = dev->dev_private;
 846        iowrite32((val), dev_priv->vdc_reg + (reg));
 847}
 848
 849static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
 850                                      uint32_t val)
 851{
 852        struct drm_psb_private *dev_priv = dev->dev_private;
 853        iowrite32((val), dev_priv->aux_reg + (reg));
 854}
 855
 856#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 857#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
 858
 859static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
 860                                      uint32_t val, int aux)
 861{
 862        if (aux)
 863                REG_WRITE_AUX(reg, val);
 864        else
 865                REG_WRITE(reg, val);
 866}
 867
 868#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
 869
 870static inline void REGISTER_WRITE16(struct drm_device *dev,
 871                                        uint32_t reg, uint32_t val)
 872{
 873        struct drm_psb_private *dev_priv = dev->dev_private;
 874        iowrite16((val), dev_priv->vdc_reg + (reg));
 875}
 876
 877#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 878
 879static inline void REGISTER_WRITE8(struct drm_device *dev,
 880                                       uint32_t reg, uint32_t val)
 881{
 882        struct drm_psb_private *dev_priv = dev->dev_private;
 883        iowrite8((val), dev_priv->vdc_reg + (reg));
 884}
 885
 886#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 887
 888#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 889#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 890
 891/* #define TRAP_SGX_PM_FAULT 1 */
 892#ifdef TRAP_SGX_PM_FAULT
 893#define PSB_RSGX32(_offs)                                               \
 894({                                                                      \
 895        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 896                pr_err("access sgx when it's off!! (READ) %s, %d\n",    \
 897                       __FILE__, __LINE__);                             \
 898                melay(1000);                                            \
 899        }                                                               \
 900        ioread32(dev_priv->sgx_reg + (_offs));                          \
 901})
 902#else
 903#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 904#endif
 905#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 906
 907#define MSVDX_REG_DUMP 0
 908
 909#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 910#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 911
 912#endif
 913