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Diffstat (limited to 'sys/dev/drm2/i915/i915_drv.h')
-rw-r--r--sys/dev/drm2/i915/i915_drv.h1754
1 files changed, 0 insertions, 1754 deletions
diff --git a/sys/dev/drm2/i915/i915_drv.h b/sys/dev/drm2/i915/i915_drv.h
deleted file mode 100644
index 97cb46baa52db..0000000000000
--- a/sys/dev/drm2/i915/i915_drv.h
+++ /dev/null
@@ -1,1754 +0,0 @@
-/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
- */
-/*
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#ifndef _I915_DRV_H_
-#define _I915_DRV_H_
-
-#include <dev/agp/agp_i810.h>
-#include <dev/drm2/drm_mm.h>
-#include <dev/drm2/i915/i915_reg.h>
-#include <dev/drm2/i915/intel_ringbuffer.h>
-#include <dev/drm2/i915/intel_bios.h>
-
-/* General customization:
- */
-
-#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
-
-#define DRIVER_NAME "i915"
-#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20080730"
-
-MALLOC_DECLARE(DRM_I915_GEM);
-
-enum pipe {
- PIPE_A = 0,
- PIPE_B,
- PIPE_C,
- I915_MAX_PIPES
-};
-#define pipe_name(p) ((p) + 'A')
-
-enum transcoder {
- TRANSCODER_A = 0,
- TRANSCODER_B,
- TRANSCODER_C,
- TRANSCODER_EDP = 0xF,
-};
-#define transcoder_name(t) ((t) + 'A')
-
-enum plane {
- PLANE_A = 0,
- PLANE_B,
- PLANE_C,
-};
-#define plane_name(p) ((p) + 'A')
-
-enum port {
- PORT_A = 0,
- PORT_B,
- PORT_C,
- PORT_D,
- PORT_E,
- I915_MAX_PORTS
-};
-#define port_name(p) ((p) + 'A')
-
-#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
-
-#define for_each_pipe(p) for ((p) = 0; (p) < dev_priv->num_pipe; (p)++)
-
-#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
- list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
- if ((intel_encoder)->base.crtc == (__crtc))
-
-struct intel_pch_pll {
- int refcount; /* count of number of CRTCs sharing this PLL */
- int active; /* count of number of active CRTCs (i.e. DPMS on) */
- bool on; /* is the PLL actually active? Disabled during modeset */
- int pll_reg;
- int fp0_reg;
- int fp1_reg;
-};
-#define I915_NUM_PLLS 2
-
-struct intel_ddi_plls {
- int spll_refcount;
- int wrpll1_refcount;
- int wrpll2_refcount;
-};
-
-/* Interface history:
- *
- * 1.1: Original.
- * 1.2: Add Power Management
- * 1.3: Add vblank support
- * 1.4: Fix cmdbuffer path, add heap destroy
- * 1.5: Add vblank pipe configuration
- * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
- * - Support vertical blank on secondary display pipe
- */
-#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 6
-#define DRIVER_PATCHLEVEL 0
-
-#define WATCH_COHERENCY 0
-#define WATCH_LISTS 0
-#define WATCH_GTT 0
-
-#define I915_GEM_PHYS_CURSOR_0 1
-#define I915_GEM_PHYS_CURSOR_1 2
-#define I915_GEM_PHYS_OVERLAY_REGS 3
-#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
-
-struct drm_i915_gem_phys_object {
- int id;
- drm_dma_handle_t *handle;
- struct drm_i915_gem_object *cur_obj;
-};
-
-struct opregion_header;
-struct opregion_acpi;
-struct opregion_swsci;
-struct opregion_asle;
-struct drm_i915_private;
-
-struct intel_opregion {
- struct opregion_header __iomem *header;
- struct opregion_acpi __iomem *acpi;
- struct opregion_swsci __iomem *swsci;
- struct opregion_asle __iomem *asle;
- void __iomem *vbt;
- u32 __iomem *lid_state;
-};
-#define OPREGION_SIZE (8*1024)
-
-struct intel_overlay;
-struct intel_overlay_error_state;
-
-struct drm_i915_master_private {
- drm_local_map_t *sarea;
- struct _drm_i915_sarea *sarea_priv;
-};
-#define I915_FENCE_REG_NONE -1
-#define I915_MAX_NUM_FENCES 16
-/* 16 fences + sign bit for FENCE_REG_NONE */
-#define I915_MAX_NUM_FENCE_BITS 5
-
-struct drm_i915_fence_reg {
- struct list_head lru_list;
- struct drm_i915_gem_object *obj;
- int pin_count;
-};
-
-struct sdvo_device_mapping {
- u8 initialized;
- u8 dvo_port;
- u8 slave_addr;
- u8 dvo_wiring;
- u8 i2c_pin;
- u8 ddc_pin;
-};
-
-struct intel_display_error_state;
-
-struct drm_i915_error_state {
- u_int ref;
- u32 eir;
- u32 pgtbl_er;
- u32 ier;
- u32 ccid;
- u32 derrmr;
- u32 forcewake;
- bool waiting[I915_NUM_RINGS];
- u32 pipestat[I915_MAX_PIPES];
- u32 tail[I915_NUM_RINGS];
- u32 head[I915_NUM_RINGS];
- u32 ctl[I915_NUM_RINGS];
- u32 ipeir[I915_NUM_RINGS];
- u32 ipehr[I915_NUM_RINGS];
- u32 instdone[I915_NUM_RINGS];
- u32 acthd[I915_NUM_RINGS];
- u32 semaphore_mboxes[I915_NUM_RINGS][I915_NUM_RINGS - 1];
- u32 semaphore_seqno[I915_NUM_RINGS][I915_NUM_RINGS - 1];
- u32 rc_psmi[I915_NUM_RINGS]; /* sleep state */
- /* our own tracking of ring head and tail */
- u32 cpu_ring_head[I915_NUM_RINGS];
- u32 cpu_ring_tail[I915_NUM_RINGS];
- u32 error; /* gen6+ */
- u32 err_int; /* gen7 */
- u32 instpm[I915_NUM_RINGS];
- u32 instps[I915_NUM_RINGS];
- u32 extra_instdone[I915_NUM_INSTDONE_REG];
- u32 seqno[I915_NUM_RINGS];
- u64 bbaddr;
- u32 fault_reg[I915_NUM_RINGS];
- u32 done_reg;
- u32 faddr[I915_NUM_RINGS];
- u64 fence[I915_MAX_NUM_FENCES];
- struct timeval time;
- struct drm_i915_error_ring {
- struct drm_i915_error_object {
- int page_count;
- u32 gtt_offset;
- u32 *pages[0];
- } *ringbuffer, *batchbuffer;
- struct drm_i915_error_request {
- long jiffies;
- u32 seqno;
- u32 tail;
- } *requests;
- int num_requests;
- } ring[I915_NUM_RINGS];
- struct drm_i915_error_buffer {
- u32 size;
- u32 name;
- u32 rseqno, wseqno;
- u32 gtt_offset;
- u32 read_domains;
- u32 write_domain;
- s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
- s32 pinned:2;
- u32 tiling:2;
- u32 dirty:1;
- u32 purgeable:1;
- s32 ring:4;
- u32 cache_level:2;
- } *active_bo, *pinned_bo;
- u32 active_bo_count, pinned_bo_count;
- struct intel_overlay_error_state *overlay;
- struct intel_display_error_state *display;
-};
-
-struct drm_i915_display_funcs {
- bool (*fbc_enabled)(struct drm_device *dev);
- void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
- void (*disable_fbc)(struct drm_device *dev);
- int (*get_display_clock_speed)(struct drm_device *dev);
- int (*get_fifo_size)(struct drm_device *dev, int plane);
- void (*update_wm)(struct drm_device *dev);
- void (*update_sprite_wm)(struct drm_device *dev, int pipe,
- uint32_t sprite_width, int pixel_size);
- void (*update_linetime_wm)(struct drm_device *dev, int pipe,
- struct drm_display_mode *mode);
- void (*modeset_global_resources)(struct drm_device *dev);
- int (*crtc_mode_set)(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y,
- struct drm_framebuffer *old_fb);
- void (*crtc_enable)(struct drm_crtc *crtc);
- void (*crtc_disable)(struct drm_crtc *crtc);
- void (*off)(struct drm_crtc *crtc);
- void (*write_eld)(struct drm_connector *connector,
- struct drm_crtc *crtc);
- void (*fdi_link_train)(struct drm_crtc *crtc);
- void (*init_clock_gating)(struct drm_device *dev);
- int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_i915_gem_object *obj);
- int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
- int x, int y);
- /* clock updates for mode set */
- /* cursor updates */
- /* render clock increase/decrease */
- /* display clock increase/decrease */
- /* pll clock increase/decrease */
-};
-
-struct drm_i915_gt_funcs {
- void (*force_wake_get)(struct drm_i915_private *dev_priv);
- void (*force_wake_put)(struct drm_i915_private *dev_priv);
-};
-
-#define DEV_INFO_FLAGS \
- DEV_INFO_FLAG(is_mobile) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_i85x) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_i915g) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_i945gm) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_g33) DEV_INFO_SEP \
- DEV_INFO_FLAG(need_gfx_hws) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_g4x) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_pineview) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_broadwater) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_crestline) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_ivybridge) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_valleyview) DEV_INFO_SEP \
- DEV_INFO_FLAG(is_haswell) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_force_wake) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_fbc) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_pipe_cxsr) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_hotplug) DEV_INFO_SEP \
- DEV_INFO_FLAG(cursor_needs_physical) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_overlay) DEV_INFO_SEP \
- DEV_INFO_FLAG(overlay_needs_physical) DEV_INFO_SEP \
- DEV_INFO_FLAG(supports_tv) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_bsd_ring) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_blt_ring) DEV_INFO_SEP \
- DEV_INFO_FLAG(has_llc)
-
-struct intel_device_info {
- u8 gen;
- u8 is_mobile:1;
- u8 is_i85x:1;
- u8 is_i915g:1;
- u8 is_i945gm:1;
- u8 is_g33:1;
- u8 need_gfx_hws:1;
- u8 is_g4x:1;
- u8 is_pineview:1;
- u8 is_broadwater:1;
- u8 is_crestline:1;
- u8 is_ivybridge:1;
- u8 is_valleyview:1;
- u8 has_force_wake:1;
- u8 is_haswell:1;
- u8 has_fbc:1;
- u8 has_pipe_cxsr:1;
- u8 has_hotplug:1;
- u8 cursor_needs_physical:1;
- u8 has_overlay:1;
- u8 overlay_needs_physical:1;
- u8 supports_tv:1;
- u8 has_bsd_ring:1;
- u8 has_blt_ring:1;
- u8 has_llc:1;
-};
-
-#define I915_PPGTT_PD_ENTRIES 512
-#define I915_PPGTT_PT_ENTRIES 1024
-struct i915_hw_ppgtt {
- struct drm_device *dev;
- unsigned num_pd_entries;
- vm_page_t *pt_pages;
- uint32_t pd_offset;
- vm_paddr_t *pt_dma_addr;
- vm_paddr_t scratch_page_dma_addr;
-};
-
-
-/* This must match up with the value previously used for execbuf2.rsvd1. */
-#define DEFAULT_CONTEXT_ID 0
-struct i915_hw_context {
- uint32_t id;
- bool is_initialized;
- struct drm_i915_file_private *file_priv;
- struct intel_ring_buffer *ring;
- struct drm_i915_gem_object *obj;
-};
-
-enum no_fbc_reason {
- FBC_NO_OUTPUT, /* no outputs enabled to compress */
- FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */
- FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
- FBC_MODE_TOO_LARGE, /* mode too large for compression */
- FBC_BAD_PLANE, /* fbc not supported on plane */
- FBC_NOT_TILED, /* buffer not tiled */
- FBC_MULTIPLE_PIPES, /* more than one pipe active */
- FBC_MODULE_PARAM,
-};
-
-enum intel_pch {
- PCH_NONE = 0, /* No PCH present */
- PCH_IBX, /* Ibexpeak PCH */
- PCH_CPT, /* Cougarpoint PCH */
- PCH_LPT, /* Lynxpoint PCH */
-};
-
-enum intel_sbi_destination {
- SBI_ICLK,
- SBI_MPHY,
-};
-
-#define QUIRK_PIPEA_FORCE (1<<0)
-#define QUIRK_LVDS_SSC_DISABLE (1<<1)
-#define QUIRK_INVERT_BRIGHTNESS (1<<2)
-
-struct intel_fbdev;
-struct intel_fbc_work;
-
-struct intel_gmbus {
- device_t gmbus_bridge;
- device_t gmbus;
- device_t bbbus_bridge;
- device_t bbbus;
- u32 force_bit;
- u32 reg0;
- u32 gpio_reg;
- struct drm_i915_private *dev_priv;
-};
-
-struct i915_suspend_saved_registers {
- u8 saveLBB;
- u32 saveDSPACNTR;
- u32 saveDSPBCNTR;
- u32 saveDSPARB;
- u32 savePIPEACONF;
- u32 savePIPEBCONF;
- u32 savePIPEASRC;
- u32 savePIPEBSRC;
- u32 saveFPA0;
- u32 saveFPA1;
- u32 saveDPLL_A;
- u32 saveDPLL_A_MD;
- u32 saveHTOTAL_A;
- u32 saveHBLANK_A;
- u32 saveHSYNC_A;
- u32 saveVTOTAL_A;
- u32 saveVBLANK_A;
- u32 saveVSYNC_A;
- u32 saveBCLRPAT_A;
- u32 saveTRANSACONF;
- u32 saveTRANS_HTOTAL_A;
- u32 saveTRANS_HBLANK_A;
- u32 saveTRANS_HSYNC_A;
- u32 saveTRANS_VTOTAL_A;
- u32 saveTRANS_VBLANK_A;
- u32 saveTRANS_VSYNC_A;
- u32 savePIPEASTAT;
- u32 saveDSPASTRIDE;
- u32 saveDSPASIZE;
- u32 saveDSPAPOS;
- u32 saveDSPAADDR;
- u32 saveDSPASURF;
- u32 saveDSPATILEOFF;
- u32 savePFIT_PGM_RATIOS;
- u32 saveBLC_HIST_CTL;
- u32 saveBLC_PWM_CTL;
- u32 saveBLC_PWM_CTL2;
- u32 saveBLC_CPU_PWM_CTL;
- u32 saveBLC_CPU_PWM_CTL2;
- u32 saveFPB0;
- u32 saveFPB1;
- u32 saveDPLL_B;
- u32 saveDPLL_B_MD;
- u32 saveHTOTAL_B;
- u32 saveHBLANK_B;
- u32 saveHSYNC_B;
- u32 saveVTOTAL_B;
- u32 saveVBLANK_B;
- u32 saveVSYNC_B;
- u32 saveBCLRPAT_B;
- u32 saveTRANSBCONF;
- u32 saveTRANS_HTOTAL_B;
- u32 saveTRANS_HBLANK_B;
- u32 saveTRANS_HSYNC_B;
- u32 saveTRANS_VTOTAL_B;
- u32 saveTRANS_VBLANK_B;
- u32 saveTRANS_VSYNC_B;
- u32 savePIPEBSTAT;
- u32 saveDSPBSTRIDE;
- u32 saveDSPBSIZE;
- u32 saveDSPBPOS;
- u32 saveDSPBADDR;
- u32 saveDSPBSURF;
- u32 saveDSPBTILEOFF;
- u32 saveVGA0;
- u32 saveVGA1;
- u32 saveVGA_PD;
- u32 saveVGACNTRL;
- u32 saveADPA;
- u32 saveLVDS;
- u32 savePP_ON_DELAYS;
- u32 savePP_OFF_DELAYS;
- u32 saveDVOA;
- u32 saveDVOB;
- u32 saveDVOC;
- u32 savePP_ON;
- u32 savePP_OFF;
- u32 savePP_CONTROL;
- u32 savePP_DIVISOR;
- u32 savePFIT_CONTROL;
- u32 save_palette_a[256];
- u32 save_palette_b[256];
- u32 saveDPFC_CB_BASE;
- u32 saveFBC_CFB_BASE;
- u32 saveFBC_LL_BASE;
- u32 saveFBC_CONTROL;
- u32 saveFBC_CONTROL2;
- u32 saveIER;
- u32 saveIIR;
- u32 saveIMR;
- u32 saveDEIER;
- u32 saveDEIMR;
- u32 saveGTIER;
- u32 saveGTIMR;
- u32 saveFDI_RXA_IMR;
- u32 saveFDI_RXB_IMR;
- u32 saveCACHE_MODE_0;
- u32 saveMI_ARB_STATE;
- u32 saveSWF0[16];
- u32 saveSWF1[16];
- u32 saveSWF2[3];
- u8 saveMSR;
- u8 saveSR[8];
- u8 saveGR[25];
- u8 saveAR_INDEX;
- u8 saveAR[21];
- u8 saveDACMASK;
- u8 saveCR[37];
- uint64_t saveFENCE[I915_MAX_NUM_FENCES];
- u32 saveCURACNTR;
- u32 saveCURAPOS;
- u32 saveCURABASE;
- u32 saveCURBCNTR;
- u32 saveCURBPOS;
- u32 saveCURBBASE;
- u32 saveCURSIZE;
- u32 saveDP_B;
- u32 saveDP_C;
- u32 saveDP_D;
- u32 savePIPEA_GMCH_DATA_M;
- u32 savePIPEB_GMCH_DATA_M;
- u32 savePIPEA_GMCH_DATA_N;
- u32 savePIPEB_GMCH_DATA_N;
- u32 savePIPEA_DP_LINK_M;
- u32 savePIPEB_DP_LINK_M;
- u32 savePIPEA_DP_LINK_N;
- u32 savePIPEB_DP_LINK_N;
- u32 saveFDI_RXA_CTL;
- u32 saveFDI_TXA_CTL;
- u32 saveFDI_RXB_CTL;
- u32 saveFDI_TXB_CTL;
- u32 savePFA_CTL_1;
- u32 savePFB_CTL_1;
- u32 savePFA_WIN_SZ;
- u32 savePFB_WIN_SZ;
- u32 savePFA_WIN_POS;
- u32 savePFB_WIN_POS;
- u32 savePCH_DREF_CONTROL;
- u32 saveDISP_ARB_CTL;
- u32 savePIPEA_DATA_M1;
- u32 savePIPEA_DATA_N1;
- u32 savePIPEA_LINK_M1;
- u32 savePIPEA_LINK_N1;
- u32 savePIPEB_DATA_M1;
- u32 savePIPEB_DATA_N1;
- u32 savePIPEB_LINK_M1;
- u32 savePIPEB_LINK_N1;
- u32 saveMCHBAR_RENDER_STANDBY;
- u32 savePCH_PORT_HOTPLUG;
-};
-
-struct intel_gen6_power_mgmt {
- struct task work;
- u32 pm_iir;
- /* lock - irqsave spinlock that protectects the work_struct and
- * pm_iir. */
- struct mtx lock;
-
- /* The below variables an all the rps hw state are protected by
- * dev->struct mutext. */
- u8 cur_delay;
- u8 min_delay;
- u8 max_delay;
-
- struct timeout_task delayed_resume_work;
-
- /*
- * Protects RPS/RC6 register access and PCU communication.
- * Must be taken after struct_mutex if nested.
- */
- struct sx hw_lock;
-};
-
-struct intel_ilk_power_mgmt {
- u8 cur_delay;
- u8 min_delay;
- u8 max_delay;
- u8 fmax;
- u8 fstart;
-
- u64 last_count1;
- unsigned long last_time1;
- unsigned long chipset_power;
- u64 last_count2;
- struct timespec last_time2;
- unsigned long gfx_power;
- u8 corr;
-
- int c_m;
- int r_t;
-
- struct drm_i915_gem_object *pwrctx;
- struct drm_i915_gem_object *renderctx;
-};
-
-struct i915_dri1_state {
- unsigned allow_batchbuffer : 1;
- u32 __iomem *gfx_hws_cpu_addr;
-
- unsigned int cpp;
- int back_offset;
- int front_offset;
- int current_page;
- int page_flipping;
-
- uint32_t counter;
-};
-
-struct intel_l3_parity {
- u32 *remap_info;
- struct task error_work;
-};
-
-typedef struct drm_i915_private {
- struct drm_device *dev;
-
- const struct intel_device_info *info;
-
- int relative_constants_mode;
-
- /* FIXME Linux<->FreeBSD: "void *regs" on Linux. */
- drm_local_map_t *mmio_map;
-
- struct drm_i915_gt_funcs gt;
- /** gt_fifo_count and the subsequent register write are synchronized
- * with dev->struct_mutex. */
- unsigned gt_fifo_count;
- /** forcewake_count is protected by gt_lock */
- unsigned forcewake_count;
- /** gt_lock is also taken in irq contexts. */
- struct mtx gt_lock;
-
- struct intel_gmbus gmbus[GMBUS_NUM_PORTS];
-
- /** gmbus_mutex protects against concurrent usage of the single hw gmbus
- * controller on different i2c buses. */
- struct sx gmbus_mutex;
-
- /**
- * Base address of the gmbus and gpio block.
- */
- uint32_t gpio_mmio_base;
-
- device_t bridge_dev;
- struct intel_ring_buffer ring[I915_NUM_RINGS];
- uint32_t next_seqno;
-
- drm_dma_handle_t *status_page_dmah;
- int mch_res_rid;
- struct resource *mch_res;
-
- atomic_t irq_received;
-
- /* protects the irq masks */
- struct mtx irq_lock;
-
- /* DPIO indirect register protection */
- struct sx dpio_lock;
-
- /** Cached value of IMR to avoid reads in updating the bitfield */
- u32 pipestat[2];
- u32 irq_mask;
- u32 gt_irq_mask;
- u32 pch_irq_mask;
-
- u32 hotplug_supported_mask;
- struct task hotplug_work;
-
- int num_pipe;
- int num_pch_pll;
-
- /* For hangcheck timer */
-#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
-#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
- struct callout hangcheck_timer;
- int hangcheck_count;
- uint32_t last_acthd[I915_NUM_RINGS];
- uint32_t prev_instdone[I915_NUM_INSTDONE_REG];
-
- unsigned int stop_rings;
-
- unsigned long cfb_size;
- unsigned int cfb_fb;
- enum plane cfb_plane;
- int cfb_y;
- struct intel_fbc_work *fbc_work;
-
- struct intel_opregion opregion;
-
- /* overlay */
- struct intel_overlay *overlay;
- bool sprite_scaling_enabled;
-
- /* LVDS info */
- int backlight_level; /* restore backlight to this value */
- bool backlight_enabled;
- struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
- struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
-
- /* 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;
- unsigned int display_clock_mode:1;
- unsigned int fdi_rx_polarity_inverted:1;
- int lvds_ssc_freq;
- unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
- unsigned int lvds_val; /* used for checking LVDS channel mode */
- struct {
- int rate;
- int lanes;
- int preemphasis;
- int vswing;
-
- bool initialized;
- bool support;
- int bpp;
- struct edp_power_seq pps;
- } edp;
- bool no_aux_handshake;
-
- int crt_ddc_pin;
- struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
- int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
- int num_fence_regs; /* 8 on pre-965, 16 otherwise */
-
- unsigned int fsb_freq, mem_freq, is_ddr3;
-
- struct mtx error_lock;
- /* Protected by dev->error_lock. */
- struct drm_i915_error_state *first_error;
- struct task error_work;
- struct completion error_completion;
- struct taskqueue *wq;
-
- /* Display functions */
- struct drm_i915_display_funcs display;
-
- /* PCH chipset type */
- enum intel_pch pch_type;
- unsigned short pch_id;
-
- unsigned long quirks;
-
- /* Register state */
- bool modeset_on_lid;
-
- struct {
- /** Bridge to intel-gtt-ko */
- struct intel_gtt *gtt;
- /** Memory allocator for GTT stolen memory */
- struct drm_mm stolen;
- /** Memory allocator for GTT */
- struct drm_mm gtt_space;
- /** List of all objects in gtt_space. Used to restore gtt
- * mappings on resume */
- struct list_head bound_list;
- /**
- * List of objects which are not bound to the GTT (thus
- * are idle and not used by the GPU) but still have
- * (presumably uncached) pages still attached.
- */
- struct list_head unbound_list;
-
- /** Usable portion of the GTT for GEM */
- unsigned long gtt_start;
- unsigned long gtt_mappable_end;
- unsigned long gtt_end;
- unsigned long stolen_base; /* limited to low memory (32-bit) */
-
-#ifdef __linux__
- struct io_mapping *gtt_mapping;
-#endif
- vm_paddr_t gtt_base_addr;
- int gtt_mtrr;
-
- /** PPGTT used for aliasing the PPGTT with the GTT */
- struct i915_hw_ppgtt *aliasing_ppgtt;
-
- eventhandler_tag inactive_shrinker;
- bool shrinker_no_lock_stealing;
-
- /**
- * List of objects currently involved in rendering.
- *
- * Includes buffers having the contents of their GPU caches
- * flushed, not necessarily primitives. last_rendering_seqno
- * represents when the rendering involved will be completed.
- *
- * A reference is held on the buffer while on this list.
- */
- struct list_head active_list;
-
- /**
- * LRU list of objects which are not in the ringbuffer and
- * are ready to unbind, but are still in the GTT.
- *
- * last_rendering_seqno is 0 while an object is in this list.
- *
- * A reference is not held on the buffer while on this list,
- * as merely being GTT-bound shouldn't prevent its being
- * freed, and we'll pull it off the list in the free path.
- */
- struct list_head inactive_list;
-
- /** LRU list of objects with fence regs on them. */
- struct list_head fence_list;
-
- /**
- * We leave the user IRQ off as much as possible,
- * but this means that requests will finish and never
- * be retired once the system goes idle. Set a timer to
- * fire periodically while the ring is running. When it
- * fires, go retire requests.
- */
- struct timeout_task retire_work;
-
- /**
- * Are we in a non-interruptible section of code like
- * modesetting?
- */
- bool interruptible;
-
- /**
- * Flag if the X Server, and thus DRM, is not currently in
- * control of the device.
- *
- * This is set between LeaveVT and EnterVT. It needs to be
- * replaced with a semaphore. It also needs to be
- * transitioned away from for kernel modesetting.
- */
- int suspended;
-
- /**
- * Flag if the hardware appears to be wedged.
- *
- * This is set when attempts to idle the device timeout.
- * It prevents command submission from occurring and makes
- * every pending request fail
- */
- atomic_t wedged;
-
- /** Bit 6 swizzling required for X tiling */
- uint32_t bit_6_swizzle_x;
- /** Bit 6 swizzling required for Y tiling */
- uint32_t bit_6_swizzle_y;
-
- /* storage for physical objects */
- struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
-
- /* accounting, useful for userland debugging */
- size_t gtt_total;
- size_t mappable_gtt_total;
- size_t object_memory;
- u32 object_count;
- } mm;
-
- /* Kernel Modesetting */
-
- struct sdvo_device_mapping sdvo_mappings[2];
- /* indicate whether the LVDS_BORDER should be enabled or not */
- unsigned int lvds_border_bits;
- /* Panel fitter placement and size for Ironlake+ */
- u32 pch_pf_pos, pch_pf_size;
-
- struct drm_crtc *plane_to_crtc_mapping[3];
- struct drm_crtc *pipe_to_crtc_mapping[3];
- wait_queue_head_t pending_flip_queue;
-
- struct intel_pch_pll pch_plls[I915_NUM_PLLS];
- struct intel_ddi_plls ddi_plls;
-
- /* Reclocking support */
- bool render_reclock_avail;
- bool lvds_downclock_avail;
- /* indicates the reduced downclock for LVDS*/
- int lvds_downclock;
- u16 orig_clock;
- int child_dev_num;
- struct child_device_config *child_dev;
-
- bool mchbar_need_disable;
-
- struct intel_l3_parity l3_parity;
-
- /* gen6+ rps state */
- struct intel_gen6_power_mgmt rps;
-
- /* ilk-only ips/rps state. Everything in here is protected by the global
- * mchdev_lock in intel_pm.c */
- struct intel_ilk_power_mgmt ips;
-
- enum no_fbc_reason no_fbc_reason;
-
- struct drm_mm_node *compressed_fb;
- struct drm_mm_node *compressed_llb;
-
- unsigned long last_gpu_reset;
-
- /* list of fbdev register on this device */
- struct intel_fbdev *fbdev;
-
- /*
- * The console may be contended at resume, but we don't
- * want it to block on it.
- */
- struct task console_resume_work;
-
- struct backlight_device *backlight;
-
- struct drm_property *broadcast_rgb_property;
- struct drm_property *force_audio_property;
-
- bool hw_contexts_disabled;
- uint32_t hw_context_size;
-
- u32 fdi_rx_config;
-
- struct i915_suspend_saved_registers regfile;
-
- /* Old dri1 support infrastructure, beware the dragons ya fools entering
- * here! */
- struct i915_dri1_state dri1;
-} drm_i915_private_t;
-
-/* Iterate over initialised rings */
-#define for_each_ring(ring__, dev_priv__, i__) \
- for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \
- if (((ring__) = &(dev_priv__)->ring[(i__)]), intel_ring_initialized((ring__)))
-
-enum hdmi_force_audio {
- HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */
- HDMI_AUDIO_OFF, /* force turn off HDMI audio */
- HDMI_AUDIO_AUTO, /* trust EDID */
- HDMI_AUDIO_ON, /* force turn on HDMI audio */
-};
-
-enum i915_cache_level {
- I915_CACHE_NONE = 0,
- I915_CACHE_LLC,
- I915_CACHE_LLC_MLC, /* gen6+, in docs at least! */
-};
-
-struct drm_i915_gem_object_ops {
- /* Interface between the GEM object and its backing storage.
- * get_pages() is called once prior to the use of the associated set
- * of pages before to binding them into the GTT, and put_pages() is
- * called after we no longer need them. As we expect there to be
- * associated cost with migrating pages between the backing storage
- * and making them available for the GPU (e.g. clflush), we may hold
- * onto the pages after they are no longer referenced by the GPU
- * in case they may be used again shortly (for example migrating the
- * pages to a different memory domain within the GTT). put_pages()
- * will therefore most likely be called when the object itself is
- * being released or under memory pressure (where we attempt to
- * reap pages for the shrinker).
- */
- int (*get_pages)(struct drm_i915_gem_object *);
- void (*put_pages)(struct drm_i915_gem_object *);
-};
-
-struct drm_i915_gem_object {
- struct drm_gem_object base;
-
- const struct drm_i915_gem_object_ops *ops;
-
- /** Current space allocated to this object in the GTT, if any. */
- struct drm_mm_node *gtt_space;
- struct list_head gtt_list;
-
- /** This object's place on the active/inactive lists */
- struct list_head ring_list;
- struct list_head mm_list;
- /** This object's place in the batchbuffer or on the eviction list */
- struct list_head exec_list;
-
- /**
- * This is set if the object is on the active lists (has pending
- * rendering and so a non-zero seqno), and is not set if it i s on
- * inactive (ready to be unbound) list.
- */
- unsigned int active:1;
-
- /**
- * This is set if the object has been written to since last bound
- * to the GTT
- */
- unsigned int dirty:1;
-
- /**
- * Fence register bits (if any) for this object. Will be set
- * as needed when mapped into the GTT.
- * Protected by dev->struct_mutex.
- */
- signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
-
- /**
- * Advice: are the backing pages purgeable?
- */
- unsigned int madv:2;
-
- /**
- * Current tiling mode for the object.
- */
- unsigned int tiling_mode:2;
- /**
- * Whether the tiling parameters for the currently associated fence
- * register have changed. Note that for the purposes of tracking
- * tiling changes we also treat the unfenced register, the register
- * slot that the object occupies whilst it executes a fenced
- * command (such as BLT on gen2/3), as a "fence".
- */
- unsigned int fence_dirty:1;
-
- /** How many users have pinned this object in GTT space. The following
- * users can each hold at most one reference: pwrite/pread, pin_ioctl
- * (via user_pin_count), execbuffer (objects are not allowed multiple
- * times for the same batchbuffer), and the framebuffer code. When
- * switching/pageflipping, the framebuffer code has at most two buffers
- * pinned per crtc.
- *
- * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
- * bits with absolutely no headroom. So use 4 bits. */
- unsigned int pin_count:4;
-#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
-
- /**
- * Is the object at the current location in the gtt mappable and
- * fenceable? Used to avoid costly recalculations.
- */
- unsigned int map_and_fenceable:1;
-
- /**
- * Whether the current gtt mapping needs to be mappable (and isn't just
- * mappable by accident). Track pin and fault separate for a more
- * accurate mappable working set.
- */
- unsigned int fault_mappable:1;
- unsigned int pin_mappable:1;
- unsigned int pin_display:1;
-
- /*
- * Is the GPU currently using a fence to access this buffer,
- */
- unsigned int pending_fenced_gpu_access:1;
- unsigned int fenced_gpu_access:1;
-
- unsigned int cache_level:2;
-
- unsigned int has_aliasing_ppgtt_mapping:1;
- unsigned int has_global_gtt_mapping:1;
- unsigned int has_dma_mapping:1;
-
- vm_page_t *pages;
- int pages_pin_count;
-
- /**
- * Used for performing relocations during execbuffer insertion.
- */
- struct hlist_node exec_node;
- unsigned long exec_handle;
- struct drm_i915_gem_exec_object2 *exec_entry;
-
- /**
- * Current offset of the object in GTT space.
- *
- * This is the same as gtt_space->start
- */
- uint32_t gtt_offset;
-
- struct intel_ring_buffer *ring;
-
- /** Breadcrumb of last rendering to the buffer. */
- uint32_t last_read_seqno;
- uint32_t last_write_seqno;
- /** Breadcrumb of last fenced GPU access to the buffer. */
- uint32_t last_fenced_seqno;
-
- /** Current tiling stride for the object, if it's tiled. */
- uint32_t stride;
-
- /** Record of address bit 17 of each page at last unbind. */
- unsigned long *bit_17;
-
- /** User space pin count and filp owning the pin */
- uint32_t user_pin_count;
- struct drm_file *pin_filp;
-
- /** for phy allocated objects */
- struct drm_i915_gem_phys_object *phys_obj;
-
- /**
- * Number of crtcs where this object is currently the fb, but
- * will be page flipped away on the next vblank. When it
- * reaches 0, dev_priv->pending_flip_queue will be woken up.
- */
- atomic_t pending_flip;
-};
-#define to_gem_object(obj) (&((struct drm_i915_gem_object *)(obj))->base)
-
-#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
-
-/**
- * Request queue structure.
- *
- * The request queue allows us to note sequence numbers that have been emitted
- * and may be associated with active buffers to be retired.
- *
- * By keeping this list, we can avoid having to do questionable
- * sequence-number comparisons on buffer last_rendering_seqnos, and associate
- * an emission time with seqnos for tracking how far ahead of the GPU we are.
- */
-struct drm_i915_gem_request {
- /** On Which ring this request was generated */
- struct intel_ring_buffer *ring;
-
- /** GEM sequence number associated with this request. */
- uint32_t seqno;
-
- /** Position in the ringbuffer of the end of the request */
- u32 tail;
-
- /** Time at which this request was emitted, in jiffies. */
- unsigned long emitted_jiffies;
-
- /** global list entry for this request */
- struct list_head list;
-
- struct drm_i915_file_private *file_priv;
- /** file_priv list entry for this request */
- struct list_head client_list;
-};
-
-struct drm_i915_file_private {
- struct {
- struct mtx lock;
- struct list_head request_list;
- } mm;
- struct drm_gem_names context_idr;
-};
-
-#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
-
-#define IS_I830(dev) ((dev)->pci_device == 0x3577)
-#define IS_845G(dev) ((dev)->pci_device == 0x2562)
-#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
-#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
-#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
-#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
-#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
-#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
-#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
-#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
-#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
-#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
-#define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001)
-#define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011)
-#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
-#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
-#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
-#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
-#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
-#define IS_IVB_GT1(dev) ((dev)->pci_device == 0x0156 || \
- (dev)->pci_device == 0x0152 || \
- (dev)->pci_device == 0x015a)
-#define IS_SNB_GT1(dev) ((dev)->pci_device == 0x0102 || \
- (dev)->pci_device == 0x0106 || \
- (dev)->pci_device == 0x010A)
-#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
-#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
-#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
-#define IS_ULT(dev) (IS_HASWELL(dev) && \
- ((dev)->pci_device & 0xFF00) == 0x0A00)
-
-/*
- * The genX designation typically refers to the render engine, so render
- * capability related checks should use IS_GEN, while display and other checks
- * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
- * chips, etc.).
- */
-#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
-#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
-#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
-#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
-#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
-#define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
-
-#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
-#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
-#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
-#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
-
-#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
-#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6 && !IS_VALLEYVIEW(dev))
-
-#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
-#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
-
-/* Early gen2 have a totally busted CS tlb and require pinned batches. */
-#define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
-
-/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
- * rows, which changed the alignment requirements and fence programming.
- */
-#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
- IS_I915GM(dev)))
-#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
-#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
-#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
-#define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev))
-#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
-#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
-/* dsparb controlled by hw only */
-#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
-
-#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
-#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
-#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
-
-#define HAS_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5)
-
-#define INTEL_PCH_DEVICE_ID_MASK 0xff00
-#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
-#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
-#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
-#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
-#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
-
-#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
-#define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
-#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
-#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
-#define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
-
-#define HAS_FORCE_WAKE(dev) (INTEL_INFO(dev)->has_force_wake)
-
-#define HAS_L3_GPU_CACHE(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
-
-#define GT_FREQUENCY_MULTIPLIER 50
-
-/**
- * RC6 is a special power stage which allows the GPU to enter an very
- * low-voltage mode when idle, using down to 0V while at this stage. This
- * stage is entered automatically when the GPU is idle when RC6 support is
- * enabled, and as soon as new workload arises GPU wakes up automatically as well.
- *
- * There are different RC6 modes available in Intel GPU, which differentiate
- * among each other with the latency required to enter and leave RC6 and
- * voltage consumed by the GPU in different states.
- *
- * The combination of the following flags define which states GPU is allowed
- * to enter, while RC6 is the normal RC6 state, RC6p is the deep RC6, and
- * RC6pp is deepest RC6. Their support by hardware varies according to the
- * GPU, BIOS, chipset and platform. RC6 is usually the safest one and the one
- * which brings the most power savings; deeper states save more power, but
- * require higher latency to switch to and wake up.
- */
-#define INTEL_RC6_ENABLE (1<<0)
-#define INTEL_RC6p_ENABLE (1<<1)
-#define INTEL_RC6pp_ENABLE (1<<2)
-
-extern struct drm_ioctl_desc i915_ioctls[];
-extern int i915_max_ioctl;
-extern unsigned int i915_fbpercrtc __always_unused;
-extern int i915_panel_ignore_lid __read_mostly;
-extern unsigned int i915_powersave __read_mostly;
-extern int i915_semaphores __read_mostly;
-extern unsigned int i915_lvds_downclock __read_mostly;
-extern int i915_lvds_channel_mode __read_mostly;
-extern int i915_panel_use_ssc __read_mostly;
-extern int i915_vbt_sdvo_panel_type __read_mostly;
-extern int i915_enable_rc6 __read_mostly;
-extern int i915_enable_fbc __read_mostly;
-extern int i915_enable_hangcheck __read_mostly;
-extern int i915_enable_ppgtt __read_mostly;
-extern unsigned int i915_preliminary_hw_support __read_mostly;
-
-extern struct drm_driver i915_driver_info;
-extern struct cdev_pager_ops i915_gem_pager_ops;
-extern int intel_iommu_gfx_mapped;
-
-const struct intel_device_info *i915_get_device_id(int device);
-
-/* i915_debug.c */
-int i915_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
- struct sysctl_oid *top);
-void i915_sysctl_cleanup(struct drm_device *dev);
-
-extern int i915_suspend(struct drm_device *dev, pm_message_t state);
-extern int i915_resume(struct drm_device *dev);
-extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
-extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
-
- /* i915_dma.c */
-void i915_update_dri1_breadcrumb(struct drm_device *dev);
-extern void i915_kernel_lost_context(struct drm_device * dev);
-extern int i915_driver_load(struct drm_device *, unsigned long flags);
-extern int i915_driver_unload(struct drm_device *);
-extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
-extern void i915_driver_lastclose(struct drm_device * dev);
-extern void i915_driver_preclose(struct drm_device *dev,
- struct drm_file *file_priv);
-extern void i915_driver_postclose(struct drm_device *dev,
- struct drm_file *file_priv);
-extern int i915_driver_device_is_agp(struct drm_device * dev);
-#ifdef CONFIG_COMPAT
-extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg);
-#endif
-extern int i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect *box,
- int DR1, int DR4);
-extern int intel_gpu_reset(struct drm_device *dev);
-extern int i915_reset(struct drm_device *dev);
-extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
-extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
-extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
-extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
-
-extern int i915_batchbuffer(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_cmdbuffer(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_irq_emit(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-extern int i915_getparam(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-
-extern void intel_console_resume(void *context, int pending);
-
-/* i915_irq.c */
-void i915_hangcheck_elapsed(void *data);
-void i915_handle_error(struct drm_device *dev, bool wedged);
-
-extern void intel_irq_init(struct drm_device *dev);
-extern void intel_gt_init(struct drm_device *dev);
-extern void intel_gt_reset(struct drm_device *dev);
-
-void i915_error_state_free(struct drm_i915_error_state *error);
-
-void
-i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
-
-void
-i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
-
-void intel_enable_asle(struct drm_device *dev);
-
-//#ifdef CONFIG_DEBUG_FS
-extern void i915_destroy_error_state(struct drm_device *dev);
-//#else
-//#define i915_destroy_error_state(x)
-//#endif
-
-/* i915_gem.c */
-int i915_gem_init_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_create_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_execbuffer(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_execbuffer2(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
-int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
-int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_set_tiling(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_get_tiling(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_wait_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-void i915_gem_load(struct drm_device *dev);
-int i915_gem_init_object(struct drm_gem_object *obj);
-void i915_gem_object_init(struct drm_i915_gem_object *obj,
- const struct drm_i915_gem_object_ops *ops);
-struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
- size_t size);
-void i915_gem_free_object(struct drm_gem_object *obj);
-int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
- uint32_t alignment,
- bool map_and_fenceable,
- bool nonblocking);
-void i915_gem_object_unpin(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_object_unbind(struct drm_i915_gem_object *obj);
-void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
-void i915_gem_lastclose(struct drm_device *dev);
-
-int __must_check i915_gem_object_get_pages(struct drm_i915_gem_object *obj);
-uint32_t i915_get_gem_seqno(struct drm_device *dev);
-static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
-{
- /* KASSERT(obj->pages != NULL, ("pin and NULL pages")); */
- obj->pages_pin_count++;
-}
-
-static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
-{
- KASSERT(obj->pages_pin_count != 0, ("zero pages_pin_count"));
- obj->pages_pin_count--;
-}
-
-int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
-int i915_gem_object_sync(struct drm_i915_gem_object *obj,
- struct intel_ring_buffer *to);
-void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
- struct intel_ring_buffer *ring);
-
-int i915_gem_dumb_create(struct drm_file *file_priv,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args);
-int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev,
- uint32_t handle, uint64_t *offset);
-int i915_gem_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
- uint32_t handle);
-/**
- * Returns true if seq1 is later than seq2.
- */
-static inline bool
-i915_seqno_passed(uint32_t seq1, uint32_t seq2)
-{
- return (int32_t)(seq1 - seq2) >= 0;
-}
-
-extern int i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
-
-int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
-
-static inline bool
-i915_gem_object_pin_fence(struct drm_i915_gem_object *obj)
-{
- if (obj->fence_reg != I915_FENCE_REG_NONE) {
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- dev_priv->fence_regs[obj->fence_reg].pin_count++;
- return true;
- } else
- return false;
-}
-
-static inline void
-i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj)
-{
- if (obj->fence_reg != I915_FENCE_REG_NONE) {
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- dev_priv->fence_regs[obj->fence_reg].pin_count--;
- }
-}
-
-void i915_gem_retire_requests(struct drm_device *dev);
-void i915_gem_retire_requests_ring(struct intel_ring_buffer *ring);
-int __must_check i915_gem_check_wedge(struct drm_i915_private *dev_priv,
- bool interruptible);
-
-void i915_gem_reset(struct drm_device *dev);
-void i915_gem_clflush_object(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_object_set_domain(struct drm_i915_gem_object *obj,
- uint32_t read_domains,
- uint32_t write_domain);
-int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj);
-int __must_check i915_gem_init(struct drm_device *dev);
-int __must_check i915_gem_init_hw(struct drm_device *dev);
-void i915_gem_l3_remap(struct drm_device *dev);
-void i915_gem_init_swizzling(struct drm_device *dev);
-void i915_gem_init_ppgtt(struct drm_device *dev);
-void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
-int __must_check i915_gpu_idle(struct drm_device *dev);
-int __must_check i915_gem_idle(struct drm_device *dev);
-int i915_add_request(struct intel_ring_buffer *ring,
- struct drm_file *file,
- u32 *seqno);
-int __must_check i915_wait_seqno(struct intel_ring_buffer *ring,
- uint32_t seqno);
-int i915_gem_fault(struct drm_device *dev, uint64_t offset, int prot,
- uint64_t *phys);
-int __must_check
-i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
- bool write);
-int __must_check
-i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write);
-int __must_check
-i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
- u32 alignment,
- struct intel_ring_buffer *pipelined);
-void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj);
-int i915_gem_attach_phys_object(struct drm_device *dev,
- struct drm_i915_gem_object *obj,
- int id,
- int align);
-void i915_gem_detach_phys_object(struct drm_device *dev,
- struct drm_i915_gem_object *obj);
-void i915_gem_free_all_phys_object(struct drm_device *dev);
-void i915_gem_release(struct drm_device *dev, struct drm_file *file);
-
-uint32_t
-i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
- uint32_t size,
- int tiling_mode);
-
-int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level);
-
-#ifdef FREEBSD_WIP
-struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf);
-
-struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
- struct drm_gem_object *gem_obj, int flags);
-#endif /* FREEBSD_WIP */
-
-int i915_gem_mmap(struct drm_device *dev, uint64_t offset, int prot);
-
-/* i915_gem_context.c */
-void i915_gem_context_init(struct drm_device *dev);
-void i915_gem_context_fini(struct drm_device *dev);
-void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
-int i915_switch_context(struct intel_ring_buffer *ring,
- struct drm_file *file, int to_id);
-int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
-int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
-
-/* i915_gem_gtt.c */
-int __must_check i915_gem_init_aliasing_ppgtt(struct drm_device *dev);
-void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev);
-void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level);
-void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
- struct drm_i915_gem_object *obj);
-
-void i915_gem_restore_gtt_mappings(struct drm_device *dev);
-int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
-void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
- enum i915_cache_level cache_level);
-void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
-void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
-void i915_gem_init_global_gtt(struct drm_device *dev,
- unsigned long start,
- unsigned long mappable_end,
- unsigned long end);
-int i915_gem_gtt_init(struct drm_device *dev);
-void i915_gem_gtt_fini(struct drm_device *dev);
-static inline void i915_gem_chipset_flush(struct drm_device *dev)
-{
- if (INTEL_INFO(dev)->gen < 6)
- intel_gtt_chipset_flush();
-}
-
-/* i915_gem_evict.c */
-int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size,
- unsigned alignment,
- unsigned cache_level,
- bool mappable,
- bool nonblock);
-int i915_gem_evict_everything(struct drm_device *dev);
-
-/* i915_gem_stolen.c */
-int i915_gem_init_stolen(struct drm_device *dev);
-void i915_gem_cleanup_stolen(struct drm_device *dev);
-
-/* i915_gem_tiling.c */
-void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
-void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj);
-void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj);
-void i915_gem_object_do_bit_17_swizzle_page(struct drm_i915_gem_object *obj,
- struct vm_page *m);
-
-/* i915_gem_debug.c */
-void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len,
- const char *where, uint32_t mark);
-#if WATCH_LISTS
-int i915_verify_lists(struct drm_device *dev);
-#else
-#define i915_verify_lists(dev) 0
-#endif
-void i915_gem_object_check_coherency(struct drm_i915_gem_object *obj,
- int handle);
-
-/* i915_suspend.c */
-extern int i915_save_state(struct drm_device *dev);
-extern int i915_restore_state(struct drm_device *dev);
-
-/* intel_i2c.c */
-extern int intel_setup_gmbus(struct drm_device *dev);
-extern void intel_teardown_gmbus(struct drm_device *dev);
-static inline bool intel_gmbus_is_port_valid(unsigned port)
-{
- return (port >= GMBUS_PORT_SSC && port <= GMBUS_PORT_DPD);
-}
-
-extern device_t intel_gmbus_get_adapter(
- struct drm_i915_private *dev_priv, unsigned port);
-extern void intel_gmbus_set_speed(device_t idev, int speed);
-extern void intel_gmbus_force_bit(device_t idev, bool force_bit);
-extern bool intel_gmbus_is_forced_bit(device_t adapter);
-extern void intel_i2c_reset(struct drm_device *dev);
-
-/* intel_opregion.c */
-extern int intel_opregion_setup(struct drm_device *dev);
-#ifdef CONFIG_ACPI
-extern void intel_opregion_init(struct drm_device *dev);
-extern void intel_opregion_fini(struct drm_device *dev);
-extern void intel_opregion_asle_intr(struct drm_device *dev);
-extern void intel_opregion_gse_intr(struct drm_device *dev);
-extern void intel_opregion_enable_asle(struct drm_device *dev);
-#else
-static inline void intel_opregion_init(struct drm_device *dev) { return; }
-static inline void intel_opregion_fini(struct drm_device *dev) { return; }
-static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }
-static inline void intel_opregion_gse_intr(struct drm_device *dev) { return; }
-static inline void intel_opregion_enable_asle(struct drm_device *dev) { return; }
-#endif
-
-/* intel_acpi.c */
-#ifdef CONFIG_ACPI
-extern void intel_register_dsm_handler(void);
-extern void intel_unregister_dsm_handler(void);
-#else
-static inline void intel_register_dsm_handler(void) { return; }
-static inline void intel_unregister_dsm_handler(void) { return; }
-#endif /* CONFIG_ACPI */
-
-/* modesetting */
-extern void intel_modeset_init_hw(struct drm_device *dev);
-extern void intel_modeset_init(struct drm_device *dev);
-extern void intel_modeset_gem_init(struct drm_device *dev);
-extern void intel_modeset_cleanup(struct drm_device *dev);
-extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
-extern void intel_modeset_setup_hw_state(struct drm_device *dev,
- bool force_restore);
-extern void intel_disable_fbc(struct drm_device *dev);
-extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
-extern void intel_init_pch_refclk(struct drm_device *dev);
-extern void gen6_set_rps(struct drm_device *dev, u8 val);
-extern void intel_detect_pch(struct drm_device *dev);
-extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
-extern int intel_enable_rc6(const struct drm_device *dev);
-
-extern bool i915_semaphore_is_enabled(struct drm_device *dev);
-int i915_reg_read_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
-
-/* overlay */
-//#ifdef CONFIG_DEBUG_FS
-extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
-extern void intel_overlay_print_error_state(struct sbuf *m, struct intel_overlay_error_state *error);
-
-extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
-extern void intel_display_print_error_state(struct sbuf *m,
- struct drm_device *dev,
- struct intel_display_error_state *error);
-//#endif
-
-static inline void
-trace_i915_reg_rw(boolean_t rw, int reg, uint64_t val, int sz)
-{
-
- CTR4(KTR_DRM_REG, "[%x/%d] %c %x", reg, sz, rw ? "w" : "r", val);
-}
-
-/* On SNB platform, before reading ring registers forcewake bit
- * must be set to prevent GT core from power down and stale values being
- * returned.
- */
-void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv);
-void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
-int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
-
-int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val);
-int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val);
-
-#define __i915_read(x, y) \
- u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
-
-__i915_read(8, 8)
-__i915_read(16, 16)
-__i915_read(32, 32)
-__i915_read(64, 64)
-#undef __i915_read
-
-#define __i915_write(x, y) \
- void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val);
-
-__i915_write(8, 8)
-__i915_write(16, 16)
-__i915_write(32, 32)
-__i915_write(64, 64)
-#undef __i915_write
-
-#define I915_READ8(reg) i915_read8(dev_priv, (reg))
-#define I915_WRITE8(reg, val) i915_write8(dev_priv, (reg), (val))
-
-#define I915_READ16(reg) i915_read16(dev_priv, (reg))
-#define I915_WRITE16(reg, val) i915_write16(dev_priv, (reg), (val))
-#define I915_READ16_NOTRACE(reg) DRM_READ16(dev_priv->mmio_map, (reg))
-#define I915_WRITE16_NOTRACE(reg, val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
-
-#define I915_READ(reg) i915_read32(dev_priv, (reg))
-#define I915_WRITE(reg, val) i915_write32(dev_priv, (reg), (val))
-#define I915_READ_NOTRACE(reg) DRM_READ32(dev_priv->mmio_map, (reg))
-#define I915_WRITE_NOTRACE(reg, val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
-
-#define I915_WRITE64(reg, val) i915_write64(dev_priv, (reg), (val))
-#define I915_READ64(reg) i915_read64(dev_priv, (reg))
-
-#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
-#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
-
-u32 i915_gem_next_request_seqno(struct intel_ring_buffer *ring);
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 13:34:30 +0000