/* SPDX-License-Identifier: GPL-2.0-only */ /************************************************************************** * Copyright (c) 2007-2011, Intel Corporation. * All Rights Reserved. * **************************************************************************/ #ifndef _PSB_DRV_H_ #define _PSB_DRV_H_ #include #include #include #include "gtt.h" #include "intel_bios.h" #include "mmu.h" #include "oaktrail.h" #include "opregion.h" #include "power.h" #include "psb_intel_drv.h" #include "psb_reg.h" #define DRIVER_AUTHOR "Alan Cox and others" #define DRIVER_NAME "gma500" #define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650" #define DRIVER_DATE "20140314" #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 /* Append new drm mode definition here, align with libdrm definition */ #define DRM_MODE_SCALE_NO_SCALE 2 #define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108) #define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100) #define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0) /* Hardware offsets */ #define PSB_VDC_OFFSET 0x00000000 #define PSB_VDC_SIZE 0x000080000 #define MRST_MMIO_SIZE 0x0000C0000 #define PSB_SGX_SIZE 0x8000 #define PSB_SGX_OFFSET 0x00040000 #define MRST_SGX_OFFSET 0x00080000 /* PCI resource identifiers */ #define PSB_MMIO_RESOURCE 0 #define PSB_AUX_RESOURCE 0 #define PSB_GATT_RESOURCE 2 #define PSB_GTT_RESOURCE 3 /* PCI configuration */ #define PSB_GMCH_CTRL 0x52 #define PSB_BSM 0x5C #define _PSB_GMCH_ENABLED 0x4 #define PSB_PGETBL_CTL 0x2020 #define _PSB_PGETBL_ENABLED 0x00000001 #define PSB_SGX_2D_SLAVE_PORT 0x4000 #define PSB_LPC_GBA 0x44 /* TODO: To get rid of */ #define PSB_TT_PRIV0_LIMIT (256*1024*1024) #define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT) /* SGX side MMU definitions (these can probably go) */ /* Flags for external memory type field */ #define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */ #define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */ #define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */ /* PTE's and PDE's */ #define PSB_PDE_MASK 0x003FFFFF #define PSB_PDE_SHIFT 22 #define PSB_PTE_SHIFT 12 /* Cache control */ #define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */ #define PSB_PTE_WO 0x0002 /* Write only */ #define PSB_PTE_RO 0x0004 /* Read only */ #define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */ /* VDC registers and bits */ #define PSB_MSVDX_CLOCKGATING 0x2064 #define PSB_TOPAZ_CLOCKGATING 0x2068 #define PSB_HWSTAM 0x2098 #define PSB_INSTPM 0x20C0 #define PSB_INT_IDENTITY_R 0x20A4 #define _PSB_IRQ_ASLE (1<<0) #define _MDFLD_PIPEC_EVENT_FLAG (1<<2) #define _MDFLD_PIPEC_VBLANK_FLAG (1<<3) #define _PSB_DPST_PIPEB_FLAG (1<<4) #define _MDFLD_PIPEB_EVENT_FLAG (1<<4) #define _PSB_VSYNC_PIPEB_FLAG (1<<5) #define _PSB_DPST_PIPEA_FLAG (1<<6) #define _PSB_PIPEA_EVENT_FLAG (1<<6) #define _PSB_VSYNC_PIPEA_FLAG (1<<7) #define _PSB_IRQ_DISP_HOTSYNC (1<<17) #define _PSB_IRQ_SGX_FLAG (1<<18) #define _PSB_IRQ_MSVDX_FLAG (1<<19) #define _LNC_IRQ_TOPAZ_FLAG (1<<20) #define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \ _PSB_VSYNC_PIPEB_FLAG) #define PSB_INT_IDENTITY_R 0x20A4 #define PSB_INT_MASK_R 0x20A8 #define PSB_INT_ENABLE_R 0x20A0 #define _PSB_MMU_ER_MASK 0x0001FF00 #define _PSB_MMU_ER_HOST (1 << 16) #define GPIOA 0x5010 #define GPIOB 0x5014 #define GPIOC 0x5018 #define GPIOD 0x501c #define GPIOE 0x5020 #define GPIOF 0x5024 #define GPIOG 0x5028 #define GPIOH 0x502c #define GPIO_CLOCK_DIR_MASK (1 << 0) #define GPIO_CLOCK_DIR_IN (0 << 1) #define GPIO_CLOCK_DIR_OUT (1 << 1) #define GPIO_CLOCK_VAL_MASK (1 << 2) #define GPIO_CLOCK_VAL_OUT (1 << 3) #define GPIO_CLOCK_VAL_IN (1 << 4) #define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) #define GPIO_DATA_DIR_MASK (1 << 8) #define GPIO_DATA_DIR_IN (0 << 9) #define GPIO_DATA_DIR_OUT (1 << 9) #define GPIO_DATA_VAL_MASK (1 << 10) #define GPIO_DATA_VAL_OUT (1 << 11) #define GPIO_DATA_VAL_IN (1 << 12) #define GPIO_DATA_PULLUP_DISABLE (1 << 13) #define VCLK_DIVISOR_VGA0 0x6000 #define VCLK_DIVISOR_VGA1 0x6004 #define VCLK_POST_DIV 0x6010 #define PSB_COMM_2D (PSB_ENGINE_2D << 4) #define PSB_COMM_3D (PSB_ENGINE_3D << 4) #define PSB_COMM_TA (PSB_ENGINE_TA << 4) #define PSB_COMM_HP (PSB_ENGINE_HP << 4) #define PSB_COMM_USER_IRQ (1024 >> 2) #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1) #define PSB_COMM_FW (2048 >> 2) #define PSB_UIRQ_VISTEST 1 #define PSB_UIRQ_OOM_REPLY 2 #define PSB_UIRQ_FIRE_TA_REPLY 3 #define PSB_UIRQ_FIRE_RASTER_REPLY 4 #define PSB_2D_SIZE (256*1024*1024) #define PSB_MAX_RELOC_PAGES 1024 #define PSB_LOW_REG_OFFS 0x0204 #define PSB_HIGH_REG_OFFS 0x0600 #define PSB_NUM_VBLANKS 2 #define PSB_WATCHDOG_DELAY (HZ * 2) #define PSB_MAX_BRIGHTNESS 100 #define PSB_PWR_STATE_ON 1 #define PSB_PWR_STATE_OFF 2 #define PSB_PMPOLICY_NOPM 0 #define PSB_PMPOLICY_CLOCKGATING 1 #define PSB_PMPOLICY_POWERDOWN 2 #define PSB_PMSTATE_POWERUP 0 #define PSB_PMSTATE_CLOCKGATED 1 #define PSB_PMSTATE_POWERDOWN 2 #define PSB_PCIx_MSI_ADDR_LOC 0x94 #define PSB_PCIx_MSI_DATA_LOC 0x98 /* Medfield crystal settings */ #define KSEL_CRYSTAL_19 1 #define KSEL_BYPASS_19 5 #define KSEL_BYPASS_25 6 #define KSEL_BYPASS_83_100 7 struct opregion_header; struct opregion_acpi; struct opregion_swsci; struct opregion_asle; struct psb_intel_opregion { struct opregion_header *header; struct opregion_acpi *acpi; struct opregion_swsci *swsci; struct opregion_asle *asle; void *vbt; u32 __iomem *lid_state; struct work_struct asle_work; }; struct sdvo_device_mapping { u8 initialized; u8 dvo_port; u8 target_addr; u8 dvo_wiring; u8 i2c_pin; u8 i2c_speed; u8 ddc_pin; }; struct intel_gmbus { struct i2c_adapter adapter; struct i2c_adapter *force_bit; u32 reg0; }; /* Register offset maps */ struct psb_offset { u32 fp0; u32 fp1; u32 cntr; u32 conf; u32 src; u32 dpll; u32 dpll_md; u32 htotal; u32 hblank; u32 hsync; u32 vtotal; u32 vblank; u32 vsync; u32 stride; u32 size; u32 pos; u32 surf; u32 addr; u32 base; u32 status; u32 linoff; u32 tileoff; u32 palette; }; /* * Register save state. This is used to hold the context when the * device is powered off. In the case of Oaktrail this can (but does not * yet) include screen blank. Operations occuring during the save * update the register cache instead. */ /* Common status for pipes */ struct psb_pipe { u32 fp0; u32 fp1; u32 cntr; u32 conf; u32 src; u32 dpll; u32 dpll_md; u32 htotal; u32 hblank; u32 hsync; u32 vtotal; u32 vblank; u32 vsync; u32 stride; u32 size; u32 pos; u32 base; u32 surf; u32 addr; u32 status; u32 linoff; u32 tileoff; u32 palette[256]; }; struct psb_state { uint32_t saveVCLK_DIVISOR_VGA0; uint32_t saveVCLK_DIVISOR_VGA1; uint32_t saveVCLK_POST_DIV; uint32_t saveVGACNTRL; uint32_t saveADPA; uint32_t saveLVDS; uint32_t saveDVOA; uint32_t saveDVOB; uint32_t saveDVOC; uint32_t savePP_ON; uint32_t savePP_OFF; uint32_t savePP_CONTROL; uint32_t savePP_CYCLE; uint32_t savePFIT_CONTROL; uint32_t saveCLOCKGATING; uint32_t saveDSPARB; uint32_t savePFIT_AUTO_RATIOS; uint32_t savePFIT_PGM_RATIOS; uint32_t savePP_ON_DELAYS; uint32_t savePP_OFF_DELAYS; uint32_t savePP_DIVISOR; uint32_t saveBCLRPAT_A; uint32_t saveBCLRPAT_B; uint32_t savePERF_MODE; uint32_t saveDSPFW1; uint32_t saveDSPFW2; uint32_t saveDSPFW3; uint32_t saveDSPFW4; uint32_t saveDSPFW5; uint32_t saveDSPFW6; uint32_t saveCHICKENBIT; uint32_t saveDSPACURSOR_CTRL; uint32_t saveDSPBCURSOR_CTRL; uint32_t saveDSPACURSOR_BASE; uint32_t saveDSPBCURSOR_BASE; uint32_t saveDSPACURSOR_POS; uint32_t saveDSPBCURSOR_POS; uint32_t saveOV_OVADD; uint32_t saveOV_OGAMC0; uint32_t saveOV_OGAMC1; uint32_t saveOV_OGAMC2; uint32_t saveOV_OGAMC3; uint32_t saveOV_OGAMC4; uint32_t saveOV_OGAMC5; uint32_t saveOVC_OVADD; uint32_t saveOVC_OGAMC0; uint32_t saveOVC_OGAMC1; uint32_t saveOVC_OGAMC2; uint32_t saveOVC_OGAMC3; uint32_t saveOVC_OGAMC4; uint32_t saveOVC_OGAMC5; /* DPST register save */ uint32_t saveHISTOGRAM_INT_CONTROL_REG; uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG; uint32_t savePWM_CONTROL_LOGIC; }; struct cdv_state { uint32_t saveDSPCLK_GATE_D; uint32_t saveRAMCLK_GATE_D; uint32_t saveDSPARB; uint32_t saveDSPFW[6]; uint32_t saveADPA; uint32_t savePP_CONTROL; uint32_t savePFIT_PGM_RATIOS; uint32_t saveLVDS; uint32_t savePFIT_CONTROL; uint32_t savePP_ON_DELAYS; uint32_t savePP_OFF_DELAYS; uint32_t savePP_CYCLE; uint32_t saveVGACNTRL; uint32_t saveIER; uint32_t saveIMR; u8 saveLBB; }; struct psb_save_area { struct psb_pipe pipe[3]; uint32_t saveBSM; uint32_t saveVBT; union { struct psb_state psb; struct cdv_state cdv; }; uint32_t saveBLC_PWM_CTL2; uint32_t saveBLC_PWM_CTL; }; struct psb_ops; #define PSB_NUM_PIPE 3 struct intel_scu_ipc_dev; struct drm_psb_private { struct drm_device dev; struct pci_dev *aux_pdev; /* Currently only used by mrst */ struct pci_dev *lpc_pdev; /* Currently only used by mrst */ const struct psb_ops *ops; const struct psb_offset *regmap; struct child_device_config *child_dev; int child_dev_num; struct psb_gtt gtt; /* GTT Memory manager */ struct psb_gtt_mm *gtt_mm; struct page *scratch_page; u32 __iomem *gtt_map; uint32_t stolen_base; u8 __iomem *vram_addr; unsigned long vram_stolen_size; u16 gmch_ctrl; /* Saved GTT setup */ u32 pge_ctl; struct mutex gtt_mutex; struct resource *gtt_mem; /* Our PCI resource */ struct mutex mmap_mutex; struct psb_mmu_driver *mmu; struct psb_mmu_pd *pf_pd; /* Register base */ uint8_t __iomem *sgx_reg; uint8_t __iomem *vdc_reg; uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */ uint16_t lpc_gpio_base; uint32_t gatt_free_offset; /* Fencing / irq */ uint32_t vdc_irq_mask; uint32_t pipestat[PSB_NUM_PIPE]; spinlock_t irqmask_lock; bool irq_enabled; /* Power */ bool pm_initialized; /* Modesetting */ struct psb_intel_mode_device mode_dev; bool modeset; /* true if we have done the mode_device setup */ struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE]; struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE]; uint32_t num_pipe; /* OSPM info (Power management base) (TODO: can go ?) */ uint32_t ospm_base; /* Sizes info */ u32 fuse_reg_value; u32 video_device_fuse; /* PCI revision ID for B0:D2:F0 */ uint8_t platform_rev_id; /* gmbus */ struct intel_gmbus *gmbus; uint8_t __iomem *gmbus_reg; /* Used by SDVO */ int crt_ddc_pin; /* FIXME: The mappings should be parsed from bios but for now we can pretend there are no mappings available */ struct sdvo_device_mapping sdvo_mappings[2]; u32 hotplug_supported_mask; struct drm_property *broadcast_rgb_property; struct drm_property *force_audio_property; /* LVDS info */ int backlight_duty_cycle; /* restore backlight to this value */ bool panel_wants_dither; struct drm_display_mode *panel_fixed_mode; struct drm_display_mode *lfp_lvds_vbt_mode; struct drm_display_mode *sdvo_lvds_vbt_mode; struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */ struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */ /* Feature bits from the VBIOS */ unsigned int int_tv_support:1; unsigned int lvds_dither:1; unsigned int lvds_vbt:1; unsigned int int_crt_support:1; unsigned int lvds_use_ssc:1; int lvds_ssc_freq; bool is_lvds_on; bool is_mipi_on; bool lvds_enabled_in_vbt; u32 mipi_ctrl_display; unsigned int core_freq; uint32_t iLVDS_enable; /* MID specific */ bool use_msi; bool has_gct; struct oaktrail_gct_data gct_data; /* Oaktrail HDMI state */ struct oaktrail_hdmi_dev *hdmi_priv; /* Register state */ struct psb_save_area regs; /* Hotplug handling */ struct work_struct hotplug_work; struct psb_intel_opregion opregion; /* Watchdog */ uint32_t apm_reg; uint16_t apm_base; /* * Used for modifying backlight from * xrandr -- consider removing and using HAL instead */ struct intel_scu_ipc_dev *scu; struct backlight_device *backlight_device; struct drm_property *backlight_property; bool backlight_enabled; int backlight_level; uint32_t blc_adj1; uint32_t blc_adj2; bool dsr_enable; u32 dsr_fb_update; bool dpi_panel_on[3]; void *dsi_configs[2]; u32 bpp; u32 bpp2; u32 pipeconf[3]; u32 dspcntr[3]; bool dplla_96mhz; /* DPLL data from the VBT */ struct { int rate; int lanes; int preemphasis; int vswing; bool initialized; bool support; int bpp; struct edp_power_seq pps; } edp; uint8_t panel_type; }; static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev) { return container_of(dev, struct drm_psb_private, dev); } /* Operations for each board type */ struct psb_ops { const char *name; int pipes; /* Number of output pipes */ int crtcs; /* Number of CRTCs */ int sgx_offset; /* Base offset of SGX device */ int hdmi_mask; /* Mask of HDMI CRTCs */ int lvds_mask; /* Mask of LVDS CRTCs */ int sdvo_mask; /* Mask of SDVO CRTCs */ int cursor_needs_phys; /* If cursor base reg need physical address */ /* Sub functions */ struct drm_crtc_helper_funcs const *crtc_helper; const struct gma_clock_funcs *clock_funcs; /* Setup hooks */ int (*chip_setup)(struct drm_device *dev); void (*chip_teardown)(struct drm_device *dev); /* Optional helper caller after modeset */ void (*errata)(struct drm_device *dev); /* Display management hooks */ int (*output_init)(struct drm_device *dev); int (*hotplug)(struct drm_device *dev); void (*hotplug_enable)(struct drm_device *dev, bool on); /* Power management hooks */ void (*init_pm)(struct drm_device *dev); int (*save_regs)(struct drm_device *dev); int (*restore_regs)(struct drm_device *dev); void (*save_crtc)(struct drm_crtc *crtc); void (*restore_crtc)(struct drm_crtc *crtc); int (*power_up)(struct drm_device *dev); int (*power_down)(struct drm_device *dev); void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc); void (*disable_sr)(struct drm_device *dev); void (*lvds_bl_power)(struct drm_device *dev, bool on); /* Backlight */ int (*backlight_init)(struct drm_device *dev); void (*backlight_set)(struct drm_device *dev, int level); int (*backlight_get)(struct drm_device *dev); const char *backlight_name; int i2c_bus; /* I2C bus identifier for Moorestown */ }; /* modesetting */ extern void psb_modeset_init(struct drm_device *dev); extern void psb_modeset_cleanup(struct drm_device *dev); /* framebuffer */ struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj); /* fbdev */ #if defined(CONFIG_DRM_FBDEV_EMULATION) void psb_fbdev_setup(struct drm_psb_private *dev_priv); #else static inline void psb_fbdev_setup(struct drm_psb_private *dev_priv) { } #endif /* backlight.c */ int gma_backlight_init(struct drm_device *dev); void gma_backlight_exit(struct drm_device *dev); void gma_backlight_disable(struct drm_device *dev); void gma_backlight_enable(struct drm_device *dev); void gma_backlight_set(struct drm_device *dev, int v); /* oaktrail_crtc.c */ extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs; /* oaktrail_lvds.c */ extern void oaktrail_lvds_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev); /* psb_intel_display.c */ extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs; /* psb_intel_lvds.c */ extern const struct drm_connector_helper_funcs psb_intel_lvds_connector_helper_funcs; extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs; /* gem.c */ extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); /* psb_device.c */ extern const struct psb_ops psb_chip_ops; /* oaktrail_device.c */ extern const struct psb_ops oaktrail_chip_ops; /* cdv_device.c */ extern const struct psb_ops cdv_chip_ops; /* Utilities */ static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); return ioread32(dev_priv->vdc_reg + reg); } static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); return ioread32(dev_priv->aux_reg + reg); } #define REG_READ(reg) REGISTER_READ(dev, (reg)) #define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg)) /* Useful for post reads */ static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev, uint32_t reg, int aux) { uint32_t val; if (aux) val = REG_READ_AUX(reg); else val = REG_READ(reg); return val; } #define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux)) static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg, uint32_t val) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); iowrite32((val), dev_priv->vdc_reg + (reg)); } static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg, uint32_t val) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); iowrite32((val), dev_priv->aux_reg + (reg)); } #define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val)) #define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val)) static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg, uint32_t val, int aux) { if (aux) REG_WRITE_AUX(reg, val); else REG_WRITE(reg, val); } #define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux)) static inline void REGISTER_WRITE16(struct drm_device *dev, uint32_t reg, uint32_t val) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); iowrite16((val), dev_priv->vdc_reg + (reg)); } #define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val)) static inline void REGISTER_WRITE8(struct drm_device *dev, uint32_t reg, uint32_t val) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); iowrite8((val), dev_priv->vdc_reg + (reg)); } #define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val)) #define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs)) #define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs)) #define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs)) #define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs)) #define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs)) #define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs)) #endif