linux/drivers/gpu/drm/gma500/psb_drv.h
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   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#define DRIVER_LICENSE "GPL"
  40
  41#define DRIVER_NAME "gma500"
  42#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
  43#define DRIVER_DATE "20140314"
  44
  45#define DRIVER_MAJOR 1
  46#define DRIVER_MINOR 0
  47#define DRIVER_PATCHLEVEL 0
  48
  49/* Append new drm mode definition here, align with libdrm definition */
  50#define DRM_MODE_SCALE_NO_SCALE         2
  51
  52enum {
  53        CHIP_PSB_8108 = 0,              /* Poulsbo */
  54        CHIP_PSB_8109 = 1,              /* Poulsbo */
  55        CHIP_MRST_4100 = 2,             /* Moorestown/Oaktrail */
  56        CHIP_MFLD_0130 = 3,             /* Medfield */
  57};
  58
  59#define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
  60#define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
  61#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
  62#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
  63
  64/* Hardware offsets */
  65#define PSB_VDC_OFFSET           0x00000000
  66#define PSB_VDC_SIZE             0x000080000
  67#define MRST_MMIO_SIZE           0x0000C0000
  68#define MDFLD_MMIO_SIZE          0x000100000
  69#define PSB_SGX_SIZE             0x8000
  70#define PSB_SGX_OFFSET           0x00040000
  71#define MRST_SGX_OFFSET          0x00080000
  72
  73/* PCI resource identifiers */
  74#define PSB_MMIO_RESOURCE        0
  75#define PSB_AUX_RESOURCE         0
  76#define PSB_GATT_RESOURCE        2
  77#define PSB_GTT_RESOURCE         3
  78
  79/* PCI configuration */
  80#define PSB_GMCH_CTRL            0x52
  81#define PSB_BSM                  0x5C
  82#define _PSB_GMCH_ENABLED        0x4
  83#define PSB_PGETBL_CTL           0x2020
  84#define _PSB_PGETBL_ENABLED      0x00000001
  85#define PSB_SGX_2D_SLAVE_PORT    0x4000
  86#define PSB_LPC_GBA              0x44
  87
  88/* TODO: To get rid of */
  89#define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
  90#define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
  91
  92/* SGX side MMU definitions (these can probably go) */
  93
  94/* Flags for external memory type field */
  95#define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
  96#define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
  97#define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
  98
  99/* PTE's and PDE's */
 100#define PSB_PDE_MASK              0x003FFFFF
 101#define PSB_PDE_SHIFT             22
 102#define PSB_PTE_SHIFT             12
 103
 104/* Cache control */
 105#define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
 106#define PSB_PTE_WO                0x0002        /* Write only */
 107#define PSB_PTE_RO                0x0004        /* Read only */
 108#define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
 109
 110/* VDC registers and bits */
 111#define PSB_MSVDX_CLOCKGATING     0x2064
 112#define PSB_TOPAZ_CLOCKGATING     0x2068
 113#define PSB_HWSTAM                0x2098
 114#define PSB_INSTPM                0x20C0
 115#define PSB_INT_IDENTITY_R        0x20A4
 116#define _PSB_IRQ_ASLE             (1<<0)
 117#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
 118#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
 119#define _PSB_DPST_PIPEB_FLAG      (1<<4)
 120#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
 121#define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
 122#define _PSB_DPST_PIPEA_FLAG      (1<<6)
 123#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
 124#define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
 125#define _MDFLD_MIPIA_FLAG         (1<<16)
 126#define _MDFLD_MIPIC_FLAG         (1<<17)
 127#define _PSB_IRQ_DISP_HOTSYNC     (1<<17)
 128#define _PSB_IRQ_SGX_FLAG         (1<<18)
 129#define _PSB_IRQ_MSVDX_FLAG       (1<<19)
 130#define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
 131
 132#define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
 133                                 _PSB_VSYNC_PIPEB_FLAG)
 134
 135/* This flag includes all the display IRQ bits excepts the vblank irqs. */
 136#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
 137                                  _MDFLD_PIPEB_EVENT_FLAG | \
 138                                  _PSB_PIPEA_EVENT_FLAG | \
 139                                  _PSB_VSYNC_PIPEA_FLAG | \
 140                                  _MDFLD_MIPIA_FLAG | \
 141                                  _MDFLD_MIPIC_FLAG)
 142#define PSB_INT_IDENTITY_R        0x20A4
 143#define PSB_INT_MASK_R            0x20A8
 144#define PSB_INT_ENABLE_R          0x20A0
 145
 146#define _PSB_MMU_ER_MASK      0x0001FF00
 147#define _PSB_MMU_ER_HOST      (1 << 16)
 148#define GPIOA                   0x5010
 149#define GPIOB                   0x5014
 150#define GPIOC                   0x5018
 151#define GPIOD                   0x501c
 152#define GPIOE                   0x5020
 153#define GPIOF                   0x5024
 154#define GPIOG                   0x5028
 155#define GPIOH                   0x502c
 156#define GPIO_CLOCK_DIR_MASK             (1 << 0)
 157#define GPIO_CLOCK_DIR_IN               (0 << 1)
 158#define GPIO_CLOCK_DIR_OUT              (1 << 1)
 159#define GPIO_CLOCK_VAL_MASK             (1 << 2)
 160#define GPIO_CLOCK_VAL_OUT              (1 << 3)
 161#define GPIO_CLOCK_VAL_IN               (1 << 4)
 162#define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
 163#define GPIO_DATA_DIR_MASK              (1 << 8)
 164#define GPIO_DATA_DIR_IN                (0 << 9)
 165#define GPIO_DATA_DIR_OUT               (1 << 9)
 166#define GPIO_DATA_VAL_MASK              (1 << 10)
 167#define GPIO_DATA_VAL_OUT               (1 << 11)
 168#define GPIO_DATA_VAL_IN                (1 << 12)
 169#define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
 170
 171#define VCLK_DIVISOR_VGA0   0x6000
 172#define VCLK_DIVISOR_VGA1   0x6004
 173#define VCLK_POST_DIV       0x6010
 174
 175#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
 176#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
 177#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
 178#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
 179#define PSB_COMM_USER_IRQ (1024 >> 2)
 180#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
 181#define PSB_COMM_FW (2048 >> 2)
 182
 183#define PSB_UIRQ_VISTEST               1
 184#define PSB_UIRQ_OOM_REPLY             2
 185#define PSB_UIRQ_FIRE_TA_REPLY         3
 186#define PSB_UIRQ_FIRE_RASTER_REPLY     4
 187
 188#define PSB_2D_SIZE (256*1024*1024)
 189#define PSB_MAX_RELOC_PAGES 1024
 190
 191#define PSB_LOW_REG_OFFS 0x0204
 192#define PSB_HIGH_REG_OFFS 0x0600
 193
 194#define PSB_NUM_VBLANKS 2
 195
 196
 197#define PSB_2D_SIZE (256*1024*1024)
 198#define PSB_MAX_RELOC_PAGES 1024
 199
 200#define PSB_LOW_REG_OFFS 0x0204
 201#define PSB_HIGH_REG_OFFS 0x0600
 202
 203#define PSB_NUM_VBLANKS 2
 204#define PSB_WATCHDOG_DELAY (HZ * 2)
 205#define PSB_LID_DELAY (HZ / 10)
 206
 207#define MDFLD_PNW_B0 0x04
 208#define MDFLD_PNW_C0 0x08
 209
 210#define MDFLD_DSR_2D_3D_0       (1 << 0)
 211#define MDFLD_DSR_2D_3D_2       (1 << 1)
 212#define MDFLD_DSR_CURSOR_0      (1 << 2)
 213#define MDFLD_DSR_CURSOR_2      (1 << 3)
 214#define MDFLD_DSR_OVERLAY_0     (1 << 4)
 215#define MDFLD_DSR_OVERLAY_2     (1 << 5)
 216#define MDFLD_DSR_MIPI_CONTROL  (1 << 6)
 217#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
 218#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
 219#define MDFLD_DSR_2D_3D         (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
 220
 221#define MDFLD_DSR_RR            45
 222#define MDFLD_DPU_ENABLE        (1 << 31)
 223#define MDFLD_DSR_FULLSCREEN    (1 << 30)
 224#define MDFLD_DSR_DELAY         (HZ / MDFLD_DSR_RR)
 225
 226#define PSB_PWR_STATE_ON                1
 227#define PSB_PWR_STATE_OFF               2
 228
 229#define PSB_PMPOLICY_NOPM               0
 230#define PSB_PMPOLICY_CLOCKGATING        1
 231#define PSB_PMPOLICY_POWERDOWN          2
 232
 233#define PSB_PMSTATE_POWERUP             0
 234#define PSB_PMSTATE_CLOCKGATED          1
 235#define PSB_PMSTATE_POWERDOWN           2
 236#define PSB_PCIx_MSI_ADDR_LOC           0x94
 237#define PSB_PCIx_MSI_DATA_LOC           0x98
 238
 239/* Medfield crystal settings */
 240#define KSEL_CRYSTAL_19 1
 241#define KSEL_BYPASS_19 5
 242#define KSEL_BYPASS_25 6
 243#define KSEL_BYPASS_83_100 7
 244
 245struct opregion_header;
 246struct opregion_acpi;
 247struct opregion_swsci;
 248struct opregion_asle;
 249
 250struct psb_intel_opregion {
 251        struct opregion_header *header;
 252        struct opregion_acpi *acpi;
 253        struct opregion_swsci *swsci;
 254        struct opregion_asle *asle;
 255        void *vbt;
 256        u32 __iomem *lid_state;
 257        struct work_struct asle_work;
 258};
 259
 260struct sdvo_device_mapping {
 261        u8 initialized;
 262        u8 dvo_port;
 263        u8 slave_addr;
 264        u8 dvo_wiring;
 265        u8 i2c_pin;
 266        u8 i2c_speed;
 267        u8 ddc_pin;
 268};
 269
 270struct intel_gmbus {
 271        struct i2c_adapter adapter;
 272        struct i2c_adapter *force_bit;
 273        u32 reg0;
 274};
 275
 276/* Register offset maps */
 277struct psb_offset {
 278        u32     fp0;
 279        u32     fp1;
 280        u32     cntr;
 281        u32     conf;
 282        u32     src;
 283        u32     dpll;
 284        u32     dpll_md;
 285        u32     htotal;
 286        u32     hblank;
 287        u32     hsync;
 288        u32     vtotal;
 289        u32     vblank;
 290        u32     vsync;
 291        u32     stride;
 292        u32     size;
 293        u32     pos;
 294        u32     surf;
 295        u32     addr;
 296        u32     base;
 297        u32     status;
 298        u32     linoff;
 299        u32     tileoff;
 300        u32     palette;
 301};
 302
 303/*
 304 *      Register save state. This is used to hold the context when the
 305 *      device is powered off. In the case of Oaktrail this can (but does not
 306 *      yet) include screen blank. Operations occuring during the save
 307 *      update the register cache instead.
 308 */
 309
 310/* Common status for pipes */
 311struct psb_pipe {
 312        u32     fp0;
 313        u32     fp1;
 314        u32     cntr;
 315        u32     conf;
 316        u32     src;
 317        u32     dpll;
 318        u32     dpll_md;
 319        u32     htotal;
 320        u32     hblank;
 321        u32     hsync;
 322        u32     vtotal;
 323        u32     vblank;
 324        u32     vsync;
 325        u32     stride;
 326        u32     size;
 327        u32     pos;
 328        u32     base;
 329        u32     surf;
 330        u32     addr;
 331        u32     status;
 332        u32     linoff;
 333        u32     tileoff;
 334        u32     palette[256];
 335};
 336
 337struct psb_state {
 338        uint32_t saveVCLK_DIVISOR_VGA0;
 339        uint32_t saveVCLK_DIVISOR_VGA1;
 340        uint32_t saveVCLK_POST_DIV;
 341        uint32_t saveVGACNTRL;
 342        uint32_t saveADPA;
 343        uint32_t saveLVDS;
 344        uint32_t saveDVOA;
 345        uint32_t saveDVOB;
 346        uint32_t saveDVOC;
 347        uint32_t savePP_ON;
 348        uint32_t savePP_OFF;
 349        uint32_t savePP_CONTROL;
 350        uint32_t savePP_CYCLE;
 351        uint32_t savePFIT_CONTROL;
 352        uint32_t saveCLOCKGATING;
 353        uint32_t saveDSPARB;
 354        uint32_t savePFIT_AUTO_RATIOS;
 355        uint32_t savePFIT_PGM_RATIOS;
 356        uint32_t savePP_ON_DELAYS;
 357        uint32_t savePP_OFF_DELAYS;
 358        uint32_t savePP_DIVISOR;
 359        uint32_t saveBCLRPAT_A;
 360        uint32_t saveBCLRPAT_B;
 361        uint32_t savePERF_MODE;
 362        uint32_t saveDSPFW1;
 363        uint32_t saveDSPFW2;
 364        uint32_t saveDSPFW3;
 365        uint32_t saveDSPFW4;
 366        uint32_t saveDSPFW5;
 367        uint32_t saveDSPFW6;
 368        uint32_t saveCHICKENBIT;
 369        uint32_t saveDSPACURSOR_CTRL;
 370        uint32_t saveDSPBCURSOR_CTRL;
 371        uint32_t saveDSPACURSOR_BASE;
 372        uint32_t saveDSPBCURSOR_BASE;
 373        uint32_t saveDSPACURSOR_POS;
 374        uint32_t saveDSPBCURSOR_POS;
 375        uint32_t saveOV_OVADD;
 376        uint32_t saveOV_OGAMC0;
 377        uint32_t saveOV_OGAMC1;
 378        uint32_t saveOV_OGAMC2;
 379        uint32_t saveOV_OGAMC3;
 380        uint32_t saveOV_OGAMC4;
 381        uint32_t saveOV_OGAMC5;
 382        uint32_t saveOVC_OVADD;
 383        uint32_t saveOVC_OGAMC0;
 384        uint32_t saveOVC_OGAMC1;
 385        uint32_t saveOVC_OGAMC2;
 386        uint32_t saveOVC_OGAMC3;
 387        uint32_t saveOVC_OGAMC4;
 388        uint32_t saveOVC_OGAMC5;
 389
 390        /* DPST register save */
 391        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
 392        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
 393        uint32_t savePWM_CONTROL_LOGIC;
 394};
 395
 396struct medfield_state {
 397        uint32_t saveMIPI;
 398        uint32_t saveMIPI_C;
 399
 400        uint32_t savePFIT_CONTROL;
 401        uint32_t savePFIT_PGM_RATIOS;
 402        uint32_t saveHDMIPHYMISCCTL;
 403        uint32_t saveHDMIB_CONTROL;
 404};
 405
 406struct cdv_state {
 407        uint32_t saveDSPCLK_GATE_D;
 408        uint32_t saveRAMCLK_GATE_D;
 409        uint32_t saveDSPARB;
 410        uint32_t saveDSPFW[6];
 411        uint32_t saveADPA;
 412        uint32_t savePP_CONTROL;
 413        uint32_t savePFIT_PGM_RATIOS;
 414        uint32_t saveLVDS;
 415        uint32_t savePFIT_CONTROL;
 416        uint32_t savePP_ON_DELAYS;
 417        uint32_t savePP_OFF_DELAYS;
 418        uint32_t savePP_CYCLE;
 419        uint32_t saveVGACNTRL;
 420        uint32_t saveIER;
 421        uint32_t saveIMR;
 422        u8       saveLBB;
 423};
 424
 425struct psb_save_area {
 426        struct psb_pipe pipe[3];
 427        uint32_t saveBSM;
 428        uint32_t saveVBT;
 429        union {
 430                struct psb_state psb;
 431                struct medfield_state mdfld;
 432                struct cdv_state cdv;
 433        };
 434        uint32_t saveBLC_PWM_CTL2;
 435        uint32_t saveBLC_PWM_CTL;
 436};
 437
 438struct psb_ops;
 439
 440#define PSB_NUM_PIPE            3
 441
 442struct drm_psb_private {
 443        struct drm_device *dev;
 444        struct pci_dev *aux_pdev; /* Currently only used by mrst */
 445        struct pci_dev *lpc_pdev; /* Currently only used by mrst */
 446        const struct psb_ops *ops;
 447        const struct psb_offset *regmap;
 448        
 449        struct child_device_config *child_dev;
 450        int child_dev_num;
 451
 452        struct psb_gtt gtt;
 453
 454        /* GTT Memory manager */
 455        struct psb_gtt_mm *gtt_mm;
 456        struct page *scratch_page;
 457        u32 __iomem *gtt_map;
 458        uint32_t stolen_base;
 459        u8 __iomem *vram_addr;
 460        unsigned long vram_stolen_size;
 461        int gtt_initialized;
 462        u16 gmch_ctrl;          /* Saved GTT setup */
 463        u32 pge_ctl;
 464
 465        struct mutex gtt_mutex;
 466        struct resource *gtt_mem;       /* Our PCI resource */
 467
 468        struct mutex mmap_mutex;
 469
 470        struct psb_mmu_driver *mmu;
 471        struct psb_mmu_pd *pf_pd;
 472
 473        /* Register base */
 474        uint8_t __iomem *sgx_reg;
 475        uint8_t __iomem *vdc_reg;
 476        uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
 477        uint16_t lpc_gpio_base;
 478        uint32_t gatt_free_offset;
 479
 480        /* Fencing / irq */
 481        uint32_t vdc_irq_mask;
 482        uint32_t pipestat[PSB_NUM_PIPE];
 483
 484        spinlock_t irqmask_lock;
 485
 486        /* Power */
 487        bool suspended;
 488        bool display_power;
 489        int display_count;
 490
 491        /* Modesetting */
 492        struct psb_intel_mode_device mode_dev;
 493        bool modeset;   /* true if we have done the mode_device setup */
 494
 495        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
 496        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
 497        uint32_t num_pipe;
 498
 499        /* OSPM info (Power management base) (TODO: can go ?) */
 500        uint32_t ospm_base;
 501
 502        /* Sizes info */
 503        u32 fuse_reg_value;
 504        u32 video_device_fuse;
 505
 506        /* PCI revision ID for B0:D2:F0 */
 507        uint8_t platform_rev_id;
 508
 509        /* gmbus */
 510        struct intel_gmbus *gmbus;
 511        uint8_t __iomem *gmbus_reg;
 512
 513        /* Used by SDVO */
 514        int crt_ddc_pin;
 515        /* FIXME: The mappings should be parsed from bios but for now we can
 516                  pretend there are no mappings available */
 517        struct sdvo_device_mapping sdvo_mappings[2];
 518        u32 hotplug_supported_mask;
 519        struct drm_property *broadcast_rgb_property;
 520        struct drm_property *force_audio_property;
 521
 522        /* LVDS info */
 523        int backlight_duty_cycle;       /* restore backlight to this value */
 524        bool panel_wants_dither;
 525        struct drm_display_mode *panel_fixed_mode;
 526        struct drm_display_mode *lfp_lvds_vbt_mode;
 527        struct drm_display_mode *sdvo_lvds_vbt_mode;
 528
 529        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
 530        struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
 531
 532        /* Feature bits from the VBIOS */
 533        unsigned int int_tv_support:1;
 534        unsigned int lvds_dither:1;
 535        unsigned int lvds_vbt:1;
 536        unsigned int int_crt_support:1;
 537        unsigned int lvds_use_ssc:1;
 538        int lvds_ssc_freq;
 539        bool is_lvds_on;
 540        bool is_mipi_on;
 541        u32 mipi_ctrl_display;
 542
 543        unsigned int core_freq;
 544        uint32_t iLVDS_enable;
 545
 546        /* Runtime PM state */
 547        int rpm_enabled;
 548
 549        /* MID specific */
 550        bool has_gct;
 551        struct oaktrail_gct_data gct_data;
 552
 553        /* Oaktrail HDMI state */
 554        struct oaktrail_hdmi_dev *hdmi_priv;
 555        
 556        /* Register state */
 557        struct psb_save_area regs;
 558
 559        /* MSI reg save */
 560        uint32_t msi_addr;
 561        uint32_t msi_data;
 562
 563        /* Hotplug handling */
 564        struct work_struct hotplug_work;
 565
 566        /* LID-Switch */
 567        spinlock_t lid_lock;
 568        struct timer_list lid_timer;
 569        struct psb_intel_opregion opregion;
 570        u32 lid_last_state;
 571
 572        /* Watchdog */
 573        uint32_t apm_reg;
 574        uint16_t apm_base;
 575
 576        /*
 577         * Used for modifying backlight from
 578         * xrandr -- consider removing and using HAL instead
 579         */
 580        struct backlight_device *backlight_device;
 581        struct drm_property *backlight_property;
 582        bool backlight_enabled;
 583        int backlight_level;
 584        uint32_t blc_adj1;
 585        uint32_t blc_adj2;
 586
 587        void *fbdev;
 588
 589        /* 2D acceleration */
 590        spinlock_t lock_2d;
 591
 592        /* Panel brightness */
 593        int brightness;
 594        int brightness_adjusted;
 595
 596        bool dsr_enable;
 597        u32 dsr_fb_update;
 598        bool dpi_panel_on[3];
 599        void *dsi_configs[2];
 600        u32 bpp;
 601        u32 bpp2;
 602
 603        u32 pipeconf[3];
 604        u32 dspcntr[3];
 605
 606        int mdfld_panel_id;
 607
 608        bool dplla_96mhz;       /* DPLL data from the VBT */
 609
 610        struct {
 611                int rate;
 612                int lanes;
 613                int preemphasis;
 614                int vswing;
 615
 616                bool initialized;
 617                bool support;
 618                int bpp;
 619                struct edp_power_seq pps;
 620        } edp;
 621        uint8_t panel_type;
 622};
 623
 624
 625/* Operations for each board type */
 626struct psb_ops {
 627        const char *name;
 628        unsigned int accel_2d:1;
 629        int pipes;              /* Number of output pipes */
 630        int crtcs;              /* Number of CRTCs */
 631        int sgx_offset;         /* Base offset of SGX device */
 632        int hdmi_mask;          /* Mask of HDMI CRTCs */
 633        int lvds_mask;          /* Mask of LVDS CRTCs */
 634        int sdvo_mask;          /* Mask of SDVO CRTCs */
 635        int cursor_needs_phys;  /* If cursor base reg need physical address */
 636
 637        /* Sub functions */
 638        struct drm_crtc_helper_funcs const *crtc_helper;
 639        struct drm_crtc_funcs const *crtc_funcs;
 640        const struct gma_clock_funcs *clock_funcs;
 641
 642        /* Setup hooks */
 643        int (*chip_setup)(struct drm_device *dev);
 644        void (*chip_teardown)(struct drm_device *dev);
 645        /* Optional helper caller after modeset */
 646        void (*errata)(struct drm_device *dev);
 647
 648        /* Display management hooks */
 649        int (*output_init)(struct drm_device *dev);
 650        int (*hotplug)(struct drm_device *dev);
 651        void (*hotplug_enable)(struct drm_device *dev, bool on);
 652        /* Power management hooks */
 653        void (*init_pm)(struct drm_device *dev);
 654        int (*save_regs)(struct drm_device *dev);
 655        int (*restore_regs)(struct drm_device *dev);
 656        void (*save_crtc)(struct drm_crtc *crtc);
 657        void (*restore_crtc)(struct drm_crtc *crtc);
 658        int (*power_up)(struct drm_device *dev);
 659        int (*power_down)(struct drm_device *dev);
 660        void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
 661        void (*disable_sr)(struct drm_device *dev);
 662
 663        void (*lvds_bl_power)(struct drm_device *dev, bool on);
 664#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 665        /* Backlight */
 666        int (*backlight_init)(struct drm_device *dev);
 667#endif
 668        int i2c_bus;            /* I2C bus identifier for Moorestown */
 669};
 670
 671
 672
 673extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
 674extern int drm_pick_crtcs(struct drm_device *dev);
 675
 676static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
 677{
 678        return (struct drm_psb_private *) dev->dev_private;
 679}
 680
 681/* psb_irq.c */
 682extern irqreturn_t psb_irq_handler(int irq, void *arg);
 683extern int psb_irq_enable_dpst(struct drm_device *dev);
 684extern int psb_irq_disable_dpst(struct drm_device *dev);
 685extern void psb_irq_preinstall(struct drm_device *dev);
 686extern int psb_irq_postinstall(struct drm_device *dev);
 687extern void psb_irq_uninstall(struct drm_device *dev);
 688extern void psb_irq_turn_on_dpst(struct drm_device *dev);
 689extern void psb_irq_turn_off_dpst(struct drm_device *dev);
 690
 691extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
 692extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 693extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
 694extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
 695extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
 696void
 697psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 698
 699void
 700psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
 701
 702extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
 703
 704/* framebuffer.c */
 705extern int psbfb_probed(struct drm_device *dev);
 706extern int psbfb_remove(struct drm_device *dev,
 707                        struct drm_framebuffer *fb);
 708/* accel_2d.c */
 709extern void psbfb_copyarea(struct fb_info *info,
 710                                        const struct fb_copyarea *region);
 711extern int psbfb_sync(struct fb_info *info);
 712extern void psb_spank(struct drm_psb_private *dev_priv);
 713
 714/* psb_reset.c */
 715extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
 716extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
 717extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
 718
 719/* modesetting */
 720extern void psb_modeset_init(struct drm_device *dev);
 721extern void psb_modeset_cleanup(struct drm_device *dev);
 722extern int psb_fbdev_init(struct drm_device *dev);
 723
 724/* backlight.c */
 725int gma_backlight_init(struct drm_device *dev);
 726void gma_backlight_exit(struct drm_device *dev);
 727void gma_backlight_disable(struct drm_device *dev);
 728void gma_backlight_enable(struct drm_device *dev);
 729void gma_backlight_set(struct drm_device *dev, int v);
 730
 731/* oaktrail_crtc.c */
 732extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
 733
 734/* oaktrail_lvds.c */
 735extern void oaktrail_lvds_init(struct drm_device *dev,
 736                    struct psb_intel_mode_device *mode_dev);
 737
 738/* psb_intel_display.c */
 739extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
 740extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
 741
 742/* psb_intel_lvds.c */
 743extern const struct drm_connector_helper_funcs
 744                                        psb_intel_lvds_connector_helper_funcs;
 745extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
 746
 747/* gem.c */
 748extern void psb_gem_free_object(struct drm_gem_object *obj);
 749extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
 750                        struct drm_file *file);
 751extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 752                        struct drm_mode_create_dumb *args);
 753extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
 754                        uint32_t handle, uint64_t *offset);
 755extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 756extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
 757                        struct drm_file *file);
 758extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
 759                                        struct drm_file *file);
 760
 761/* psb_device.c */
 762extern const struct psb_ops psb_chip_ops;
 763
 764/* oaktrail_device.c */
 765extern const struct psb_ops oaktrail_chip_ops;
 766
 767/* mdlfd_device.c */
 768extern const struct psb_ops mdfld_chip_ops;
 769
 770/* cdv_device.c */
 771extern const struct psb_ops cdv_chip_ops;
 772
 773/* Debug print bits setting */
 774#define PSB_D_GENERAL (1 << 0)
 775#define PSB_D_INIT    (1 << 1)
 776#define PSB_D_IRQ     (1 << 2)
 777#define PSB_D_ENTRY   (1 << 3)
 778/* debug the get H/V BP/FP count */
 779#define PSB_D_HV      (1 << 4)
 780#define PSB_D_DBI_BF  (1 << 5)
 781#define PSB_D_PM      (1 << 6)
 782#define PSB_D_RENDER  (1 << 7)
 783#define PSB_D_REG     (1 << 8)
 784#define PSB_D_MSVDX   (1 << 9)
 785#define PSB_D_TOPAZ   (1 << 10)
 786
 787extern int drm_idle_check_interval;
 788
 789/* Utilities */
 790static inline u32 MRST_MSG_READ32(uint port, uint offset)
 791{
 792        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 793        uint32_t ret_val = 0;
 794        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 795        pci_write_config_dword(pci_root, 0xD0, mcr);
 796        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 797        pci_dev_put(pci_root);
 798        return ret_val;
 799}
 800static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
 801{
 802        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
 803        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 804        pci_write_config_dword(pci_root, 0xD4, value);
 805        pci_write_config_dword(pci_root, 0xD0, mcr);
 806        pci_dev_put(pci_root);
 807}
 808static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
 809{
 810        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 811        uint32_t ret_val = 0;
 812        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 813        pci_write_config_dword(pci_root, 0xD0, mcr);
 814        pci_read_config_dword(pci_root, 0xD4, &ret_val);
 815        pci_dev_put(pci_root);
 816        return ret_val;
 817}
 818static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
 819{
 820        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
 821        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
 822        pci_write_config_dword(pci_root, 0xD4, value);
 823        pci_write_config_dword(pci_root, 0xD0, mcr);
 824        pci_dev_put(pci_root);
 825}
 826
 827static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
 828{
 829        struct drm_psb_private *dev_priv = dev->dev_private;
 830        return ioread32(dev_priv->vdc_reg + reg);
 831}
 832
 833static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
 834{
 835        struct drm_psb_private *dev_priv = dev->dev_private;
 836        return ioread32(dev_priv->aux_reg + reg);
 837}
 838
 839#define REG_READ(reg)          REGISTER_READ(dev, (reg))
 840#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
 841
 842/* Useful for post reads */
 843static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
 844                                              uint32_t reg, int aux)
 845{
 846        uint32_t val;
 847
 848        if (aux)
 849                val = REG_READ_AUX(reg);
 850        else
 851                val = REG_READ(reg);
 852
 853        return val;
 854}
 855
 856#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
 857
 858static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
 859                                  uint32_t val)
 860{
 861        struct drm_psb_private *dev_priv = dev->dev_private;
 862        iowrite32((val), dev_priv->vdc_reg + (reg));
 863}
 864
 865static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
 866                                      uint32_t val)
 867{
 868        struct drm_psb_private *dev_priv = dev->dev_private;
 869        iowrite32((val), dev_priv->aux_reg + (reg));
 870}
 871
 872#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
 873#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
 874
 875static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
 876                                      uint32_t val, int aux)
 877{
 878        if (aux)
 879                REG_WRITE_AUX(reg, val);
 880        else
 881                REG_WRITE(reg, val);
 882}
 883
 884#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
 885
 886static inline void REGISTER_WRITE16(struct drm_device *dev,
 887                                        uint32_t reg, uint32_t val)
 888{
 889        struct drm_psb_private *dev_priv = dev->dev_private;
 890        iowrite16((val), dev_priv->vdc_reg + (reg));
 891}
 892
 893#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
 894
 895static inline void REGISTER_WRITE8(struct drm_device *dev,
 896                                       uint32_t reg, uint32_t val)
 897{
 898        struct drm_psb_private *dev_priv = dev->dev_private;
 899        iowrite8((val), dev_priv->vdc_reg + (reg));
 900}
 901
 902#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
 903
 904#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
 905#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
 906
 907/* #define TRAP_SGX_PM_FAULT 1 */
 908#ifdef TRAP_SGX_PM_FAULT
 909#define PSB_RSGX32(_offs)                                               \
 910({                                                                      \
 911        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
 912                printk(KERN_ERR                                         \
 913                        "access sgx when it's off!! (READ) %s, %d\n",   \
 914               __FILE__, __LINE__);                                     \
 915                melay(1000);                                            \
 916        }                                                               \
 917        ioread32(dev_priv->sgx_reg + (_offs));                          \
 918})
 919#else
 920#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
 921#endif
 922#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
 923
 924#define MSVDX_REG_DUMP 0
 925
 926#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
 927#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
 928
 929#endif
 930