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 "intel_bios.h" 31 #include "gtt.h" 32 #include "power.h" 33 #include "opregion.h" 34 #include "oaktrail.h" 35 36 /* Append new drm mode definition here, align with libdrm definition */ 37 #define DRM_MODE_SCALE_NO_SCALE 2 38 39 enum { 40 CHIP_PSB_8108 = 0, /* Poulsbo */ 41 CHIP_PSB_8109 = 1, /* Poulsbo */ 42 CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */ 43 CHIP_MFLD_0130 = 3, /* Medfield */ 44 }; 45 46 #define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108) 47 #define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100) 48 #define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130) 49 50 /* 51 * Driver definitions 52 */ 53 54 #define DRIVER_NAME "gma500" 55 #define DRIVER_DESC "DRM driver for the Intel GMA500" 56 57 #define PSB_DRM_DRIVER_DATE "2011-06-06" 58 #define PSB_DRM_DRIVER_MAJOR 1 59 #define PSB_DRM_DRIVER_MINOR 0 60 #define PSB_DRM_DRIVER_PATCHLEVEL 0 61 62 /* 63 * Hardware offsets 64 */ 65 #define PSB_VDC_OFFSET 0x00000000 66 #define PSB_VDC_SIZE 0x000080000 67 #define MRST_MMIO_SIZE 0x0000C0000 68 #define MDFLD_MMIO_SIZE 0x000100000 69 #define PSB_SGX_SIZE 0x8000 70 #define PSB_SGX_OFFSET 0x00040000 71 #define MRST_SGX_OFFSET 0x00080000 72 /* 73 * PCI resource identifiers 74 */ 75 #define PSB_MMIO_RESOURCE 0 76 #define PSB_GATT_RESOURCE 2 77 #define PSB_GTT_RESOURCE 3 78 /* 79 * PCI configuration 80 */ 81 #define PSB_GMCH_CTRL 0x52 82 #define PSB_BSM 0x5C 83 #define _PSB_GMCH_ENABLED 0x4 84 #define PSB_PGETBL_CTL 0x2020 85 #define _PSB_PGETBL_ENABLED 0x00000001 86 #define PSB_SGX_2D_SLAVE_PORT 0x4000 87 88 /* To get rid of */ 89 #define PSB_TT_PRIV0_LIMIT (256*1024*1024) 90 #define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT) 91 92 /* 93 * SGX side MMU definitions (these can probably go) 94 */ 95 96 /* 97 * Flags for external memory type field. 98 */ 99 #define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */ 100 #define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */ 101 #define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */ 102 /* 103 * PTE's and PDE's 104 */ 105 #define PSB_PDE_MASK 0x003FFFFF 106 #define PSB_PDE_SHIFT 22 107 #define PSB_PTE_SHIFT 12 108 /* 109 * Cache control 110 */ 111 #define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */ 112 #define PSB_PTE_WO 0x0002 /* Write only */ 113 #define PSB_PTE_RO 0x0004 /* Read only */ 114 #define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */ 115 116 /* 117 * VDC registers and bits 118 */ 119 #define PSB_MSVDX_CLOCKGATING 0x2064 120 #define PSB_TOPAZ_CLOCKGATING 0x2068 121 #define PSB_HWSTAM 0x2098 122 #define PSB_INSTPM 0x20C0 123 #define PSB_INT_IDENTITY_R 0x20A4 124 #define _PSB_IRQ_ASLE (1<<0) 125 #define _MDFLD_PIPEC_EVENT_FLAG (1<<2) 126 #define _MDFLD_PIPEC_VBLANK_FLAG (1<<3) 127 #define _PSB_DPST_PIPEB_FLAG (1<<4) 128 #define _MDFLD_PIPEB_EVENT_FLAG (1<<4) 129 #define _PSB_VSYNC_PIPEB_FLAG (1<<5) 130 #define _PSB_DPST_PIPEA_FLAG (1<<6) 131 #define _PSB_PIPEA_EVENT_FLAG (1<<6) 132 #define _PSB_VSYNC_PIPEA_FLAG (1<<7) 133 #define _MDFLD_MIPIA_FLAG (1<<16) 134 #define _MDFLD_MIPIC_FLAG (1<<17) 135 #define _PSB_IRQ_DISP_HOTSYNC (1<<17) 136 #define _PSB_IRQ_SGX_FLAG (1<<18) 137 #define _PSB_IRQ_MSVDX_FLAG (1<<19) 138 #define _LNC_IRQ_TOPAZ_FLAG (1<<20) 139 140 #define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \ 141 _PSB_VSYNC_PIPEB_FLAG) 142 143 /* This flag includes all the display IRQ bits excepts the vblank irqs. */ 144 #define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \ 145 _MDFLD_PIPEB_EVENT_FLAG | \ 146 _PSB_PIPEA_EVENT_FLAG | \ 147 _PSB_VSYNC_PIPEA_FLAG | \ 148 _MDFLD_MIPIA_FLAG | \ 149 _MDFLD_MIPIC_FLAG) 150 #define PSB_INT_IDENTITY_R 0x20A4 151 #define PSB_INT_MASK_R 0x20A8 152 #define PSB_INT_ENABLE_R 0x20A0 153 154 #define _PSB_MMU_ER_MASK 0x0001FF00 155 #define _PSB_MMU_ER_HOST (1 << 16) 156 #define GPIOA 0x5010 157 #define GPIOB 0x5014 158 #define GPIOC 0x5018 159 #define GPIOD 0x501c 160 #define GPIOE 0x5020 161 #define GPIOF 0x5024 162 #define GPIOG 0x5028 163 #define GPIOH 0x502c 164 #define GPIO_CLOCK_DIR_MASK (1 << 0) 165 #define GPIO_CLOCK_DIR_IN (0 << 1) 166 #define GPIO_CLOCK_DIR_OUT (1 << 1) 167 #define GPIO_CLOCK_VAL_MASK (1 << 2) 168 #define GPIO_CLOCK_VAL_OUT (1 << 3) 169 #define GPIO_CLOCK_VAL_IN (1 << 4) 170 #define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) 171 #define GPIO_DATA_DIR_MASK (1 << 8) 172 #define GPIO_DATA_DIR_IN (0 << 9) 173 #define GPIO_DATA_DIR_OUT (1 << 9) 174 #define GPIO_DATA_VAL_MASK (1 << 10) 175 #define GPIO_DATA_VAL_OUT (1 << 11) 176 #define GPIO_DATA_VAL_IN (1 << 12) 177 #define GPIO_DATA_PULLUP_DISABLE (1 << 13) 178 179 #define VCLK_DIVISOR_VGA0 0x6000 180 #define VCLK_DIVISOR_VGA1 0x6004 181 #define VCLK_POST_DIV 0x6010 182 183 #define PSB_COMM_2D (PSB_ENGINE_2D << 4) 184 #define PSB_COMM_3D (PSB_ENGINE_3D << 4) 185 #define PSB_COMM_TA (PSB_ENGINE_TA << 4) 186 #define PSB_COMM_HP (PSB_ENGINE_HP << 4) 187 #define PSB_COMM_USER_IRQ (1024 >> 2) 188 #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1) 189 #define PSB_COMM_FW (2048 >> 2) 190 191 #define PSB_UIRQ_VISTEST 1 192 #define PSB_UIRQ_OOM_REPLY 2 193 #define PSB_UIRQ_FIRE_TA_REPLY 3 194 #define PSB_UIRQ_FIRE_RASTER_REPLY 4 195 196 #define PSB_2D_SIZE (256*1024*1024) 197 #define PSB_MAX_RELOC_PAGES 1024 198 199 #define PSB_LOW_REG_OFFS 0x0204 200 #define PSB_HIGH_REG_OFFS 0x0600 201 202 #define PSB_NUM_VBLANKS 2 203 204 205 #define PSB_2D_SIZE (256*1024*1024) 206 #define PSB_MAX_RELOC_PAGES 1024 207 208 #define PSB_LOW_REG_OFFS 0x0204 209 #define PSB_HIGH_REG_OFFS 0x0600 210 211 #define PSB_NUM_VBLANKS 2 212 #define PSB_WATCHDOG_DELAY (DRM_HZ * 2) 213 #define PSB_LID_DELAY (DRM_HZ / 10) 214 215 #define MDFLD_PNW_B0 0x04 216 #define MDFLD_PNW_C0 0x08 217 218 #define MDFLD_DSR_2D_3D_0 (1 << 0) 219 #define MDFLD_DSR_2D_3D_2 (1 << 1) 220 #define MDFLD_DSR_CURSOR_0 (1 << 2) 221 #define MDFLD_DSR_CURSOR_2 (1 << 3) 222 #define MDFLD_DSR_OVERLAY_0 (1 << 4) 223 #define MDFLD_DSR_OVERLAY_2 (1 << 5) 224 #define MDFLD_DSR_MIPI_CONTROL (1 << 6) 225 #define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4)) 226 #define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5)) 227 #define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2) 228 229 #define MDFLD_DSR_RR 45 230 #define MDFLD_DPU_ENABLE (1 << 31) 231 #define MDFLD_DSR_FULLSCREEN (1 << 30) 232 #define MDFLD_DSR_DELAY (DRM_HZ / MDFLD_DSR_RR) 233 234 #define PSB_PWR_STATE_ON 1 235 #define PSB_PWR_STATE_OFF 2 236 237 #define PSB_PMPOLICY_NOPM 0 238 #define PSB_PMPOLICY_CLOCKGATING 1 239 #define PSB_PMPOLICY_POWERDOWN 2 240 241 #define PSB_PMSTATE_POWERUP 0 242 #define PSB_PMSTATE_CLOCKGATED 1 243 #define PSB_PMSTATE_POWERDOWN 2 244 #define PSB_PCIx_MSI_ADDR_LOC 0x94 245 #define PSB_PCIx_MSI_DATA_LOC 0x98 246 247 /* Medfield crystal settings */ 248 #define KSEL_CRYSTAL_19 1 249 #define KSEL_BYPASS_19 5 250 #define KSEL_BYPASS_25 6 251 #define KSEL_BYPASS_83_100 7 252 253 struct opregion_header; 254 struct opregion_acpi; 255 struct opregion_swsci; 256 struct opregion_asle; 257 258 struct psb_intel_opregion { 259 struct opregion_header *header; 260 struct opregion_acpi *acpi; 261 struct opregion_swsci *swsci; 262 struct opregion_asle *asle; 263 void *vbt; 264 u32 __iomem *lid_state; 265 }; 266 267 struct sdvo_device_mapping { 268 u8 initialized; 269 u8 dvo_port; 270 u8 slave_addr; 271 u8 dvo_wiring; 272 u8 i2c_pin; 273 u8 i2c_speed; 274 u8 ddc_pin; 275 }; 276 277 struct intel_gmbus { 278 struct i2c_adapter adapter; 279 struct i2c_adapter *force_bit; 280 u32 reg0; 281 }; 282 283 /* 284 * Register offset maps 285 */ 286 287 struct psb_offset { 288 u32 fp0; 289 u32 fp1; 290 u32 cntr; 291 u32 conf; 292 u32 src; 293 u32 dpll; 294 u32 dpll_md; 295 u32 htotal; 296 u32 hblank; 297 u32 hsync; 298 u32 vtotal; 299 u32 vblank; 300 u32 vsync; 301 u32 stride; 302 u32 size; 303 u32 pos; 304 u32 surf; 305 u32 addr; 306 u32 base; 307 u32 status; 308 u32 linoff; 309 u32 tileoff; 310 u32 palette; 311 }; 312 313 /* 314 * Register save state. This is used to hold the context when the 315 * device is powered off. In the case of Oaktrail this can (but does not 316 * yet) include screen blank. Operations occuring during the save 317 * update the register cache instead. 318 */ 319 320 /* 321 * Common status for pipes. 322 */ 323 struct psb_pipe { 324 u32 fp0; 325 u32 fp1; 326 u32 cntr; 327 u32 conf; 328 u32 src; 329 u32 dpll; 330 u32 dpll_md; 331 u32 htotal; 332 u32 hblank; 333 u32 hsync; 334 u32 vtotal; 335 u32 vblank; 336 u32 vsync; 337 u32 stride; 338 u32 size; 339 u32 pos; 340 u32 base; 341 u32 surf; 342 u32 addr; 343 u32 status; 344 u32 linoff; 345 u32 tileoff; 346 u32 palette[256]; 347 }; 348 349 struct psb_state { 350 uint32_t saveVCLK_DIVISOR_VGA0; 351 uint32_t saveVCLK_DIVISOR_VGA1; 352 uint32_t saveVCLK_POST_DIV; 353 uint32_t saveVGACNTRL; 354 uint32_t saveADPA; 355 uint32_t saveLVDS; 356 uint32_t saveDVOA; 357 uint32_t saveDVOB; 358 uint32_t saveDVOC; 359 uint32_t savePP_ON; 360 uint32_t savePP_OFF; 361 uint32_t savePP_CONTROL; 362 uint32_t savePP_CYCLE; 363 uint32_t savePFIT_CONTROL; 364 uint32_t saveCLOCKGATING; 365 uint32_t saveDSPARB; 366 uint32_t savePFIT_AUTO_RATIOS; 367 uint32_t savePFIT_PGM_RATIOS; 368 uint32_t savePP_ON_DELAYS; 369 uint32_t savePP_OFF_DELAYS; 370 uint32_t savePP_DIVISOR; 371 uint32_t saveBCLRPAT_A; 372 uint32_t saveBCLRPAT_B; 373 uint32_t savePERF_MODE; 374 uint32_t saveDSPFW1; 375 uint32_t saveDSPFW2; 376 uint32_t saveDSPFW3; 377 uint32_t saveDSPFW4; 378 uint32_t saveDSPFW5; 379 uint32_t saveDSPFW6; 380 uint32_t saveCHICKENBIT; 381 uint32_t saveDSPACURSOR_CTRL; 382 uint32_t saveDSPBCURSOR_CTRL; 383 uint32_t saveDSPACURSOR_BASE; 384 uint32_t saveDSPBCURSOR_BASE; 385 uint32_t saveDSPACURSOR_POS; 386 uint32_t saveDSPBCURSOR_POS; 387 uint32_t saveOV_OVADD; 388 uint32_t saveOV_OGAMC0; 389 uint32_t saveOV_OGAMC1; 390 uint32_t saveOV_OGAMC2; 391 uint32_t saveOV_OGAMC3; 392 uint32_t saveOV_OGAMC4; 393 uint32_t saveOV_OGAMC5; 394 uint32_t saveOVC_OVADD; 395 uint32_t saveOVC_OGAMC0; 396 uint32_t saveOVC_OGAMC1; 397 uint32_t saveOVC_OGAMC2; 398 uint32_t saveOVC_OGAMC3; 399 uint32_t saveOVC_OGAMC4; 400 uint32_t saveOVC_OGAMC5; 401 402 /* DPST register save */ 403 uint32_t saveHISTOGRAM_INT_CONTROL_REG; 404 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG; 405 uint32_t savePWM_CONTROL_LOGIC; 406 }; 407 408 struct medfield_state { 409 uint32_t saveMIPI; 410 uint32_t saveMIPI_C; 411 412 uint32_t savePFIT_CONTROL; 413 uint32_t savePFIT_PGM_RATIOS; 414 uint32_t saveHDMIPHYMISCCTL; 415 uint32_t saveHDMIB_CONTROL; 416 }; 417 418 struct cdv_state { 419 uint32_t saveDSPCLK_GATE_D; 420 uint32_t saveRAMCLK_GATE_D; 421 uint32_t saveDSPARB; 422 uint32_t saveDSPFW[6]; 423 uint32_t saveADPA; 424 uint32_t savePP_CONTROL; 425 uint32_t savePFIT_PGM_RATIOS; 426 uint32_t saveLVDS; 427 uint32_t savePFIT_CONTROL; 428 uint32_t savePP_ON_DELAYS; 429 uint32_t savePP_OFF_DELAYS; 430 uint32_t savePP_CYCLE; 431 uint32_t saveVGACNTRL; 432 uint32_t saveIER; 433 uint32_t saveIMR; 434 u8 saveLBB; 435 }; 436 437 struct psb_save_area { 438 struct psb_pipe pipe[3]; 439 uint32_t saveBSM; 440 uint32_t saveVBT; 441 union { 442 struct psb_state psb; 443 struct medfield_state mdfld; 444 struct cdv_state cdv; 445 }; 446 uint32_t saveBLC_PWM_CTL2; 447 uint32_t saveBLC_PWM_CTL; 448 }; 449 450 struct psb_ops; 451 452 #define PSB_NUM_PIPE 3 453 454 struct drm_psb_private { 455 struct drm_device *dev; 456 const struct psb_ops *ops; 457 const struct psb_offset *regmap; 458 459 struct child_device_config *child_dev; 460 int child_dev_num; 461 462 struct psb_gtt gtt; 463 464 /* GTT Memory manager */ 465 struct psb_gtt_mm *gtt_mm; 466 struct page *scratch_page; 467 u32 __iomem *gtt_map; 468 uint32_t stolen_base; 469 u8 __iomem *vram_addr; 470 unsigned long vram_stolen_size; 471 int gtt_initialized; 472 u16 gmch_ctrl; /* Saved GTT setup */ 473 u32 pge_ctl; 474 475 struct mutex gtt_mutex; 476 struct resource *gtt_mem; /* Our PCI resource */ 477 478 struct psb_mmu_driver *mmu; 479 struct psb_mmu_pd *pf_pd; 480 481 /* 482 * Register base 483 */ 484 485 uint8_t __iomem *sgx_reg; 486 uint8_t __iomem *vdc_reg; 487 uint32_t gatt_free_offset; 488 489 /* 490 * Fencing / irq. 491 */ 492 493 uint32_t vdc_irq_mask; 494 uint32_t pipestat[PSB_NUM_PIPE]; 495 496 spinlock_t irqmask_lock; 497 498 /* 499 * Power 500 */ 501 502 bool suspended; 503 bool display_power; 504 int display_count; 505 506 /* 507 * Modesetting 508 */ 509 struct psb_intel_mode_device mode_dev; 510 bool modeset; /* true if we have done the mode_device setup */ 511 512 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE]; 513 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE]; 514 uint32_t num_pipe; 515 516 /* 517 * OSPM info (Power management base) (can go ?) 518 */ 519 uint32_t ospm_base; 520 521 /* 522 * Sizes info 523 */ 524 525 u32 fuse_reg_value; 526 u32 video_device_fuse; 527 528 /* PCI revision ID for B0:D2:F0 */ 529 uint8_t platform_rev_id; 530 531 /* gmbus */ 532 struct intel_gmbus *gmbus; 533 534 /* Used by SDVO */ 535 int crt_ddc_pin; 536 /* FIXME: The mappings should be parsed from bios but for now we can 537 pretend there are no mappings available */ 538 struct sdvo_device_mapping sdvo_mappings[2]; 539 u32 hotplug_supported_mask; 540 struct drm_property *broadcast_rgb_property; 541 struct drm_property *force_audio_property; 542 543 /* 544 * LVDS info 545 */ 546 int backlight_duty_cycle; /* restore backlight to this value */ 547 bool panel_wants_dither; 548 struct drm_display_mode *panel_fixed_mode; 549 struct drm_display_mode *lfp_lvds_vbt_mode; 550 struct drm_display_mode *sdvo_lvds_vbt_mode; 551 552 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */ 553 struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */ 554 555 /* Feature bits from the VBIOS */ 556 unsigned int int_tv_support:1; 557 unsigned int lvds_dither:1; 558 unsigned int lvds_vbt:1; 559 unsigned int int_crt_support:1; 560 unsigned int lvds_use_ssc:1; 561 int lvds_ssc_freq; 562 bool is_lvds_on; 563 bool is_mipi_on; 564 u32 mipi_ctrl_display; 565 566 unsigned int core_freq; 567 uint32_t iLVDS_enable; 568 569 /* Runtime PM state */ 570 int rpm_enabled; 571 572 /* MID specific */ 573 bool has_gct; 574 struct oaktrail_gct_data gct_data; 575 576 /* Oaktrail HDMI state */ 577 struct oaktrail_hdmi_dev *hdmi_priv; 578 579 /* 580 * Register state 581 */ 582 583 struct psb_save_area regs; 584 585 /* MSI reg save */ 586 uint32_t msi_addr; 587 uint32_t msi_data; 588 589 /* 590 * Hotplug handling 591 */ 592 593 struct work_struct hotplug_work; 594 595 /* 596 * LID-Switch 597 */ 598 spinlock_t lid_lock; 599 struct timer_list lid_timer; 600 struct psb_intel_opregion opregion; 601 u32 lid_last_state; 602 603 /* 604 * Watchdog 605 */ 606 607 uint32_t apm_reg; 608 uint16_t apm_base; 609 610 /* 611 * Used for modifying backlight from 612 * xrandr -- consider removing and using HAL instead 613 */ 614 struct backlight_device *backlight_device; 615 struct drm_property *backlight_property; 616 bool backlight_enabled; 617 int backlight_level; 618 uint32_t blc_adj1; 619 uint32_t blc_adj2; 620 621 void *fbdev; 622 623 /* 2D acceleration */ 624 spinlock_t lock_2d; 625 626 /* 627 * Panel brightness 628 */ 629 int brightness; 630 int brightness_adjusted; 631 632 bool dsr_enable; 633 u32 dsr_fb_update; 634 bool dpi_panel_on[3]; 635 void *dsi_configs[2]; 636 u32 bpp; 637 u32 bpp2; 638 639 u32 pipeconf[3]; 640 u32 dspcntr[3]; 641 642 int mdfld_panel_id; 643 644 bool dplla_96mhz; /* DPLL data from the VBT */ 645 646 struct { 647 int rate; 648 int lanes; 649 int preemphasis; 650 int vswing; 651 652 bool initialized; 653 bool support; 654 int bpp; 655 struct edp_power_seq pps; 656 } edp; 657 uint8_t panel_type; 658 }; 659 660 661 /* 662 * Operations for each board type 663 */ 664 665 struct psb_ops { 666 const char *name; 667 unsigned int accel_2d:1; 668 int pipes; /* Number of output pipes */ 669 int crtcs; /* Number of CRTCs */ 670 int sgx_offset; /* Base offset of SGX device */ 671 int hdmi_mask; /* Mask of HDMI CRTCs */ 672 int lvds_mask; /* Mask of LVDS CRTCs */ 673 int cursor_needs_phys; /* If cursor base reg need physical address */ 674 675 /* Sub functions */ 676 struct drm_crtc_helper_funcs const *crtc_helper; 677 struct drm_crtc_funcs const *crtc_funcs; 678 679 /* Setup hooks */ 680 int (*chip_setup)(struct drm_device *dev); 681 void (*chip_teardown)(struct drm_device *dev); 682 /* Optional helper caller after modeset */ 683 void (*errata)(struct drm_device *dev); 684 685 /* Display management hooks */ 686 int (*output_init)(struct drm_device *dev); 687 int (*hotplug)(struct drm_device *dev); 688 void (*hotplug_enable)(struct drm_device *dev, bool on); 689 /* Power management hooks */ 690 void (*init_pm)(struct drm_device *dev); 691 int (*save_regs)(struct drm_device *dev); 692 int (*restore_regs)(struct drm_device *dev); 693 int (*power_up)(struct drm_device *dev); 694 int (*power_down)(struct drm_device *dev); 695 696 void (*lvds_bl_power)(struct drm_device *dev, bool on); 697 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE 698 /* Backlight */ 699 int (*backlight_init)(struct drm_device *dev); 700 #endif 701 int i2c_bus; /* I2C bus identifier for Moorestown */ 702 }; 703 704 705 706 struct psb_mmu_driver; 707 708 extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int); 709 extern int drm_pick_crtcs(struct drm_device *dev); 710 711 static inline struct drm_psb_private *psb_priv(struct drm_device *dev) 712 { 713 return (struct drm_psb_private *) dev->dev_private; 714 } 715 716 /* 717 * MMU stuff. 718 */ 719 720 extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers, 721 int trap_pagefaults, 722 int invalid_type, 723 struct drm_psb_private *dev_priv); 724 extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver); 725 extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver 726 *driver); 727 extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset, 728 uint32_t gtt_start, uint32_t gtt_pages); 729 extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver, 730 int trap_pagefaults, 731 int invalid_type); 732 extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd); 733 extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot); 734 extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd, 735 unsigned long address, 736 uint32_t num_pages); 737 extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, 738 uint32_t start_pfn, 739 unsigned long address, 740 uint32_t num_pages, int type); 741 extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, 742 unsigned long *pfn); 743 744 /* 745 * Enable / disable MMU for different requestors. 746 */ 747 748 749 extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context); 750 extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, 751 unsigned long address, uint32_t num_pages, 752 uint32_t desired_tile_stride, 753 uint32_t hw_tile_stride, int type); 754 extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd, 755 unsigned long address, uint32_t num_pages, 756 uint32_t desired_tile_stride, 757 uint32_t hw_tile_stride); 758 /* 759 *psb_irq.c 760 */ 761 762 extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS); 763 extern int psb_irq_enable_dpst(struct drm_device *dev); 764 extern int psb_irq_disable_dpst(struct drm_device *dev); 765 extern void psb_irq_preinstall(struct drm_device *dev); 766 extern int psb_irq_postinstall(struct drm_device *dev); 767 extern void psb_irq_uninstall(struct drm_device *dev); 768 extern void psb_irq_turn_on_dpst(struct drm_device *dev); 769 extern void psb_irq_turn_off_dpst(struct drm_device *dev); 770 771 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands); 772 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence); 773 extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence); 774 extern int psb_enable_vblank(struct drm_device *dev, int crtc); 775 extern void psb_disable_vblank(struct drm_device *dev, int crtc); 776 void 777 psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask); 778 779 void 780 psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask); 781 782 extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc); 783 784 /* 785 * framebuffer.c 786 */ 787 extern int psbfb_probed(struct drm_device *dev); 788 extern int psbfb_remove(struct drm_device *dev, 789 struct drm_framebuffer *fb); 790 /* 791 * accel_2d.c 792 */ 793 extern void psbfb_copyarea(struct fb_info *info, 794 const struct fb_copyarea *region); 795 extern int psbfb_sync(struct fb_info *info); 796 extern void psb_spank(struct drm_psb_private *dev_priv); 797 798 /* 799 * psb_reset.c 800 */ 801 802 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv); 803 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv); 804 extern void psb_print_pagefault(struct drm_psb_private *dev_priv); 805 806 /* modesetting */ 807 extern void psb_modeset_init(struct drm_device *dev); 808 extern void psb_modeset_cleanup(struct drm_device *dev); 809 extern int psb_fbdev_init(struct drm_device *dev); 810 811 /* backlight.c */ 812 int gma_backlight_init(struct drm_device *dev); 813 void gma_backlight_exit(struct drm_device *dev); 814 void gma_backlight_disable(struct drm_device *dev); 815 void gma_backlight_enable(struct drm_device *dev); 816 void gma_backlight_set(struct drm_device *dev, int v); 817 818 /* oaktrail_crtc.c */ 819 extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs; 820 821 /* oaktrail_lvds.c */ 822 extern void oaktrail_lvds_init(struct drm_device *dev, 823 struct psb_intel_mode_device *mode_dev); 824 825 /* psb_intel_display.c */ 826 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs; 827 extern const struct drm_crtc_funcs psb_intel_crtc_funcs; 828 829 /* psb_intel_lvds.c */ 830 extern const struct drm_connector_helper_funcs 831 psb_intel_lvds_connector_helper_funcs; 832 extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs; 833 834 /* gem.c */ 835 extern int psb_gem_init_object(struct drm_gem_object *obj); 836 extern void psb_gem_free_object(struct drm_gem_object *obj); 837 extern int psb_gem_get_aperture(struct drm_device *dev, void *data, 838 struct drm_file *file); 839 extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, 840 struct drm_mode_create_dumb *args); 841 extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, 842 uint32_t handle); 843 extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, 844 uint32_t handle, uint64_t *offset); 845 extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); 846 extern int psb_gem_create_ioctl(struct drm_device *dev, void *data, 847 struct drm_file *file); 848 extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data, 849 struct drm_file *file); 850 851 /* psb_device.c */ 852 extern const struct psb_ops psb_chip_ops; 853 854 /* oaktrail_device.c */ 855 extern const struct psb_ops oaktrail_chip_ops; 856 857 /* mdlfd_device.c */ 858 extern const struct psb_ops mdfld_chip_ops; 859 860 /* cdv_device.c */ 861 extern const struct psb_ops cdv_chip_ops; 862 863 /* 864 * Debug print bits setting 865 */ 866 #define PSB_D_GENERAL (1 << 0) 867 #define PSB_D_INIT (1 << 1) 868 #define PSB_D_IRQ (1 << 2) 869 #define PSB_D_ENTRY (1 << 3) 870 /* debug the get H/V BP/FP count */ 871 #define PSB_D_HV (1 << 4) 872 #define PSB_D_DBI_BF (1 << 5) 873 #define PSB_D_PM (1 << 6) 874 #define PSB_D_RENDER (1 << 7) 875 #define PSB_D_REG (1 << 8) 876 #define PSB_D_MSVDX (1 << 9) 877 #define PSB_D_TOPAZ (1 << 10) 878 879 extern int drm_psb_no_fb; 880 extern int drm_idle_check_interval; 881 882 /* 883 * Utilities 884 */ 885 886 static inline u32 MRST_MSG_READ32(uint port, uint offset) 887 { 888 int mcr = (0xD0<<24) | (port << 16) | (offset << 8); 889 uint32_t ret_val = 0; 890 struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); 891 pci_write_config_dword(pci_root, 0xD0, mcr); 892 pci_read_config_dword(pci_root, 0xD4, &ret_val); 893 pci_dev_put(pci_root); 894 return ret_val; 895 } 896 static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value) 897 { 898 int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0; 899 struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); 900 pci_write_config_dword(pci_root, 0xD4, value); 901 pci_write_config_dword(pci_root, 0xD0, mcr); 902 pci_dev_put(pci_root); 903 } 904 static inline u32 MDFLD_MSG_READ32(uint port, uint offset) 905 { 906 int mcr = (0x10<<24) | (port << 16) | (offset << 8); 907 uint32_t ret_val = 0; 908 struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); 909 pci_write_config_dword(pci_root, 0xD0, mcr); 910 pci_read_config_dword(pci_root, 0xD4, &ret_val); 911 pci_dev_put(pci_root); 912 return ret_val; 913 } 914 static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value) 915 { 916 int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0; 917 struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); 918 pci_write_config_dword(pci_root, 0xD4, value); 919 pci_write_config_dword(pci_root, 0xD0, mcr); 920 pci_dev_put(pci_root); 921 } 922 923 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg) 924 { 925 struct drm_psb_private *dev_priv = dev->dev_private; 926 return ioread32(dev_priv->vdc_reg + reg); 927 } 928 929 #define REG_READ(reg) REGISTER_READ(dev, (reg)) 930 931 static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg, 932 uint32_t val) 933 { 934 struct drm_psb_private *dev_priv = dev->dev_private; 935 iowrite32((val), dev_priv->vdc_reg + (reg)); 936 } 937 938 #define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val)) 939 940 static inline void REGISTER_WRITE16(struct drm_device *dev, 941 uint32_t reg, uint32_t val) 942 { 943 struct drm_psb_private *dev_priv = dev->dev_private; 944 iowrite16((val), dev_priv->vdc_reg + (reg)); 945 } 946 947 #define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val)) 948 949 static inline void REGISTER_WRITE8(struct drm_device *dev, 950 uint32_t reg, uint32_t val) 951 { 952 struct drm_psb_private *dev_priv = dev->dev_private; 953 iowrite8((val), dev_priv->vdc_reg + (reg)); 954 } 955 956 #define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val)) 957 958 #define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs)) 959 #define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs)) 960 961 /* #define TRAP_SGX_PM_FAULT 1 */ 962 #ifdef TRAP_SGX_PM_FAULT 963 #define PSB_RSGX32(_offs) \ 964 ({ \ 965 if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) { \ 966 printk(KERN_ERR \ 967 "access sgx when it's off!! (READ) %s, %d\n", \ 968 __FILE__, __LINE__); \ 969 melay(1000); \ 970 } \ 971 ioread32(dev_priv->sgx_reg + (_offs)); \ 972 }) 973 #else 974 #define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs)) 975 #endif 976 #define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs)) 977 978 #define MSVDX_REG_DUMP 0 979 980 #define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs)) 981 #define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs)) 982 983 #endif 984