| /* 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. |
| * |
| */ |
| |
| #ifndef _I915_DRV_H_ |
| #define _I915_DRV_H_ |
| |
| #include "i915_reg.h" |
| #include "intel_bios.h" |
| #include <linux/io-mapping.h> |
| |
| /* General customization: |
| */ |
| |
| #define DRIVER_AUTHOR "Tungsten Graphics, Inc." |
| |
| #define DRIVER_NAME "i915" |
| #define DRIVER_DESC "Intel Graphics" |
| #define DRIVER_DATE "20080730" |
| |
| enum pipe { |
| PIPE_A = 0, |
| PIPE_B, |
| }; |
| |
| enum plane { |
| PLANE_A = 0, |
| PLANE_B, |
| }; |
| |
| #define I915_NUM_PIPE 2 |
| |
| /* 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_BUF 0 |
| #define WATCH_EXEC 0 |
| #define WATCH_LRU 0 |
| #define WATCH_RELOC 0 |
| #define WATCH_INACTIVE 0 |
| #define WATCH_PWRITE 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; |
| struct page **page_list; |
| drm_dma_handle_t *handle; |
| struct drm_gem_object *cur_obj; |
| }; |
| |
| typedef struct _drm_i915_ring_buffer { |
| unsigned long Size; |
| u8 *virtual_start; |
| int head; |
| int tail; |
| int space; |
| drm_local_map_t map; |
| struct drm_gem_object *ring_obj; |
| } drm_i915_ring_buffer_t; |
| |
| struct mem_block { |
| struct mem_block *next; |
| struct mem_block *prev; |
| int start; |
| int size; |
| struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ |
| }; |
| |
| struct opregion_header; |
| struct opregion_acpi; |
| struct opregion_swsci; |
| struct opregion_asle; |
| |
| struct intel_opregion { |
| struct opregion_header *header; |
| struct opregion_acpi *acpi; |
| struct opregion_swsci *swsci; |
| struct opregion_asle *asle; |
| int enabled; |
| }; |
| |
| struct drm_i915_master_private { |
| drm_local_map_t *sarea; |
| struct _drm_i915_sarea *sarea_priv; |
| }; |
| #define I915_FENCE_REG_NONE -1 |
| |
| struct drm_i915_fence_reg { |
| struct drm_gem_object *obj; |
| }; |
| |
| struct sdvo_device_mapping { |
| u8 dvo_port; |
| u8 slave_addr; |
| u8 dvo_wiring; |
| u8 initialized; |
| }; |
| |
| struct drm_i915_error_state { |
| u32 eir; |
| u32 pgtbl_er; |
| u32 pipeastat; |
| u32 pipebstat; |
| u32 ipeir; |
| u32 ipehr; |
| u32 instdone; |
| u32 acthd; |
| u32 instpm; |
| u32 instps; |
| u32 instdone1; |
| u32 seqno; |
| u64 bbaddr; |
| struct timeval time; |
| struct drm_i915_error_object { |
| int page_count; |
| u32 gtt_offset; |
| u32 *pages[0]; |
| } *ringbuffer, *batchbuffer[2]; |
| struct drm_i915_error_buffer { |
| size_t size; |
| u32 name; |
| u32 seqno; |
| u32 gtt_offset; |
| u32 read_domains; |
| u32 write_domain; |
| u32 fence_reg; |
| s32 pinned:2; |
| u32 tiling:2; |
| u32 dirty:1; |
| u32 purgeable:1; |
| } *active_bo; |
| u32 active_bo_count; |
| }; |
| |
| struct drm_i915_display_funcs { |
| void (*dpms)(struct drm_crtc *crtc, int mode); |
| bool (*fbc_enabled)(struct drm_crtc *crtc); |
| 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, int planea_clock, |
| int planeb_clock, int sr_hdisplay, int pixel_size); |
| /* clock updates for mode set */ |
| /* cursor updates */ |
| /* render clock increase/decrease */ |
| /* display clock increase/decrease */ |
| /* pll clock increase/decrease */ |
| /* clock gating init */ |
| }; |
| |
| struct intel_overlay; |
| |
| struct intel_device_info { |
| u8 is_mobile : 1; |
| u8 is_i8xx : 1; |
| u8 is_i85x : 1; |
| u8 is_i915g : 1; |
| u8 is_i9xx : 1; |
| u8 is_i945gm : 1; |
| u8 is_i965g : 1; |
| u8 is_i965gm : 1; |
| u8 is_g33 : 1; |
| u8 need_gfx_hws : 1; |
| u8 is_g4x : 1; |
| u8 is_pineview : 1; |
| u8 is_ironlake : 1; |
| u8 is_gen6 : 1; |
| u8 has_fbc : 1; |
| u8 has_rc6 : 1; |
| u8 has_pipe_cxsr : 1; |
| u8 has_hotplug : 1; |
| u8 cursor_needs_physical : 1; |
| }; |
| |
| enum no_fbc_reason { |
| 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 */ |
| }; |
| |
| typedef struct drm_i915_private { |
| struct drm_device *dev; |
| |
| const struct intel_device_info *info; |
| |
| int has_gem; |
| |
| void __iomem *regs; |
| |
| struct pci_dev *bridge_dev; |
| drm_i915_ring_buffer_t ring; |
| |
| drm_dma_handle_t *status_page_dmah; |
| void *hw_status_page; |
| void *seqno_page; |
| dma_addr_t dma_status_page; |
| uint32_t counter; |
| unsigned int status_gfx_addr; |
| unsigned int seqno_gfx_addr; |
| drm_local_map_t hws_map; |
| struct drm_gem_object *hws_obj; |
| struct drm_gem_object *seqno_obj; |
| struct drm_gem_object *pwrctx; |
| |
| struct resource mch_res; |
| |
| unsigned int cpp; |
| int back_offset; |
| int front_offset; |
| int current_page; |
| int page_flipping; |
| |
| wait_queue_head_t irq_queue; |
| atomic_t irq_received; |
| /** Protects user_irq_refcount and irq_mask_reg */ |
| spinlock_t user_irq_lock; |
| /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */ |
| int user_irq_refcount; |
| u32 trace_irq_seqno; |
| /** Cached value of IMR to avoid reads in updating the bitfield */ |
| u32 irq_mask_reg; |
| u32 pipestat[2]; |
| /** splitted irq regs for graphics and display engine on Ironlake, |
| irq_mask_reg is still used for display irq. */ |
| u32 gt_irq_mask_reg; |
| u32 gt_irq_enable_reg; |
| u32 de_irq_enable_reg; |
| u32 pch_irq_mask_reg; |
| u32 pch_irq_enable_reg; |
| |
| u32 hotplug_supported_mask; |
| struct work_struct hotplug_work; |
| |
| int tex_lru_log_granularity; |
| int allow_batchbuffer; |
| struct mem_block *agp_heap; |
| unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; |
| int vblank_pipe; |
| |
| /* For hangcheck timer */ |
| #define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */ |
| struct timer_list hangcheck_timer; |
| int hangcheck_count; |
| uint32_t last_acthd; |
| |
| struct drm_mm vram; |
| |
| unsigned long cfb_size; |
| unsigned long cfb_pitch; |
| int cfb_fence; |
| int cfb_plane; |
| |
| int irq_enabled; |
| |
| struct intel_opregion opregion; |
| |
| /* overlay */ |
| struct intel_overlay *overlay; |
| |
| /* 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; /* 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 edp_support:1; |
| int lvds_ssc_freq; |
| int edp_bpp; |
| |
| struct notifier_block lid_notifier; |
| |
| int crt_ddc_bus; /* 0 = unknown, else GPIO to use for CRT DDC */ |
| struct drm_i915_fence_reg fence_regs[16]; /* 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; |
| |
| spinlock_t error_lock; |
| struct drm_i915_error_state *first_error; |
| struct work_struct error_work; |
| struct workqueue_struct *wq; |
| |
| /* Display functions */ |
| struct drm_i915_display_funcs display; |
| |
| /* Register state */ |
| bool modeset_on_lid; |
| u8 saveLBB; |
| u32 saveDSPACNTR; |
| u32 saveDSPBCNTR; |
| u32 saveDSPARB; |
| u32 saveHWS; |
| 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[16]; |
| 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; |
| |
| struct { |
| struct drm_mm gtt_space; |
| |
| struct io_mapping *gtt_mapping; |
| int gtt_mtrr; |
| |
| /** |
| * Membership on list of all loaded devices, used to evict |
| * inactive buffers under memory pressure. |
| * |
| * Modifications should only be done whilst holding the |
| * shrink_list_lock spinlock. |
| */ |
| struct list_head shrink_list; |
| |
| /** |
| * List of objects currently involved in rendering from the |
| * ringbuffer. |
| * |
| * 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. |
| */ |
| spinlock_t active_list_lock; |
| struct list_head active_list; |
| |
| /** |
| * List of objects which are not in the ringbuffer but which |
| * still have a write_domain which needs to be flushed before |
| * unbinding. |
| * |
| * last_rendering_seqno is 0 while an object is in this list. |
| * |
| * A reference is held on the buffer while on this list. |
| */ |
| struct list_head flushing_list; |
| |
| /** |
| * List of objects currently pending a GPU write flush. |
| * |
| * All elements on this list will belong to either the |
| * active_list or flushing_list, last_rendering_seqno can |
| * be used to differentiate between the two elements. |
| */ |
| struct list_head gpu_write_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; |
| |
| /** |
| * List of breadcrumbs associated with GPU requests currently |
| * outstanding. |
| */ |
| struct list_head request_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 delayed_work retire_work; |
| |
| uint32_t next_gem_seqno; |
| |
| /** |
| * Waiting sequence number, if any |
| */ |
| uint32_t waiting_gem_seqno; |
| |
| /** |
| * Last seq seen at irq time |
| */ |
| uint32_t irq_gem_seqno; |
| |
| /** |
| * 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 occuring 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]; |
| } mm; |
| struct sdvo_device_mapping sdvo_mappings[2]; |
| /* indicate whether the LVDS_BORDER should be enabled or not */ |
| unsigned int lvds_border_bits; |
| |
| struct drm_crtc *plane_to_crtc_mapping[2]; |
| struct drm_crtc *pipe_to_crtc_mapping[2]; |
| wait_queue_head_t pending_flip_queue; |
| |
| /* Reclocking support */ |
| bool render_reclock_avail; |
| bool lvds_downclock_avail; |
| /* indicate whether the LVDS EDID is OK */ |
| bool lvds_edid_good; |
| /* indicates the reduced downclock for LVDS*/ |
| int lvds_downclock; |
| struct work_struct idle_work; |
| struct timer_list idle_timer; |
| bool busy; |
| u16 orig_clock; |
| int child_dev_num; |
| struct child_device_config *child_dev; |
| struct drm_connector *int_lvds_connector; |
| |
| bool mchbar_need_disable; |
| |
| u8 cur_delay; |
| u8 min_delay; |
| u8 max_delay; |
| |
| enum no_fbc_reason no_fbc_reason; |
| |
| struct drm_mm_node *compressed_fb; |
| struct drm_mm_node *compressed_llb; |
| } drm_i915_private_t; |
| |
| /** driver private structure attached to each drm_gem_object */ |
| struct drm_i915_gem_object { |
| struct drm_gem_object *obj; |
| |
| /** Current space allocated to this object in the GTT, if any. */ |
| struct drm_mm_node *gtt_space; |
| |
| /** This object's place on the active/flushing/inactive lists */ |
| struct list_head list; |
| /** This object's place on GPU write list */ |
| struct list_head gpu_write_list; |
| |
| /** This object's place on the fenced object LRU */ |
| struct list_head fence_list; |
| |
| /** |
| * This is set if the object is on the active or flushing lists |
| * (has pending rendering), and is not set if it's on inactive (ready |
| * to be unbound). |
| */ |
| int active; |
| |
| /** |
| * This is set if the object has been written to since last bound |
| * to the GTT |
| */ |
| int dirty; |
| |
| /** AGP memory structure for our GTT binding. */ |
| DRM_AGP_MEM *agp_mem; |
| |
| struct page **pages; |
| int pages_refcount; |
| |
| /** |
| * Current offset of the object in GTT space. |
| * |
| * This is the same as gtt_space->start |
| */ |
| uint32_t gtt_offset; |
| |
| /** |
| * Fake offset for use by mmap(2) |
| */ |
| uint64_t mmap_offset; |
| |
| /** |
| * Fence register bits (if any) for this object. Will be set |
| * as needed when mapped into the GTT. |
| * Protected by dev->struct_mutex. |
| */ |
| int fence_reg; |
| |
| /** How many users have pinned this object in GTT space */ |
| int pin_count; |
| |
| /** Breadcrumb of last rendering to the buffer. */ |
| uint32_t last_rendering_seqno; |
| |
| /** Current tiling mode for the object. */ |
| uint32_t tiling_mode; |
| uint32_t stride; |
| |
| /** Record of address bit 17 of each page at last unbind. */ |
| long *bit_17; |
| |
| /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */ |
| uint32_t agp_type; |
| |
| /** |
| * If present, while GEM_DOMAIN_CPU is in the read domain this array |
| * flags which individual pages are valid. |
| */ |
| uint8_t *page_cpu_valid; |
| |
| /** 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; |
| |
| /** |
| * Used for checking the object doesn't appear more than once |
| * in an execbuffer object list. |
| */ |
| int in_execbuffer; |
| |
| /** |
| * Advice: are the backing pages purgeable? |
| */ |
| int madv; |
| |
| /** |
| * 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_intel_bo(x) ((struct drm_i915_gem_object *) (x)->driver_private) |
| |
| /** |
| * 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 { |
| /** GEM sequence number associated with this request. */ |
| uint32_t seqno; |
| |
| /** Time at which this request was emitted, in jiffies. */ |
| unsigned long emitted_jiffies; |
| |
| /** global list entry for this request */ |
| struct list_head list; |
| |
| /** file_priv list entry for this request */ |
| struct list_head client_list; |
| }; |
| |
| struct drm_i915_file_private { |
| struct { |
| struct list_head request_list; |
| } mm; |
| }; |
| |
| enum intel_chip_family { |
| CHIP_I8XX = 0x01, |
| CHIP_I9XX = 0x02, |
| CHIP_I915 = 0x04, |
| CHIP_I965 = 0x08, |
| }; |
| |
| extern struct drm_ioctl_desc i915_ioctls[]; |
| extern int i915_max_ioctl; |
| extern unsigned int i915_fbpercrtc; |
| extern unsigned int i915_powersave; |
| extern unsigned int i915_lvds_downclock; |
| |
| extern int i915_suspend(struct drm_device *dev, pm_message_t state); |
| extern int i915_resume(struct drm_device *dev); |
| extern void i915_save_display(struct drm_device *dev); |
| extern void i915_restore_display(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 */ |
| 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); |
| extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, |
| unsigned long arg); |
| extern int i915_emit_box(struct drm_device *dev, |
| struct drm_clip_rect *boxes, |
| int i, int DR1, int DR4); |
| extern int i965_reset(struct drm_device *dev, u8 flags); |
| |
| /* i915_irq.c */ |
| void i915_hangcheck_elapsed(unsigned long data); |
| void i915_destroy_error_state(struct drm_device *dev); |
| extern int i915_irq_emit(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_irq_wait(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| void i915_user_irq_get(struct drm_device *dev); |
| void i915_trace_irq_get(struct drm_device *dev, u32 seqno); |
| void i915_user_irq_put(struct drm_device *dev); |
| extern void i915_enable_interrupt (struct drm_device *dev); |
| |
| extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); |
| extern void i915_driver_irq_preinstall(struct drm_device * dev); |
| extern int i915_driver_irq_postinstall(struct drm_device *dev); |
| extern void i915_driver_irq_uninstall(struct drm_device * dev); |
| extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_enable_vblank(struct drm_device *dev, int crtc); |
| extern void i915_disable_vblank(struct drm_device *dev, int crtc); |
| extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc); |
| extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc); |
| extern int i915_vblank_swap(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask); |
| |
| 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); |
| |
| |
| /* i915_mem.c */ |
| extern int i915_mem_alloc(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_mem_free(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_mem_init_heap(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern int i915_mem_destroy_heap(struct drm_device *dev, void *data, |
| struct drm_file *file_priv); |
| extern void i915_mem_takedown(struct mem_block **heap); |
| extern void i915_mem_release(struct drm_device * dev, |
| struct drm_file *file_priv, struct mem_block *heap); |
| /* 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_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); |
| void i915_gem_load(struct drm_device *dev); |
| int i915_gem_init_object(struct drm_gem_object *obj); |
| void i915_gem_free_object(struct drm_gem_object *obj); |
| int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment); |
| void i915_gem_object_unpin(struct drm_gem_object *obj); |
| int i915_gem_object_unbind(struct drm_gem_object *obj); |
| void i915_gem_release_mmap(struct drm_gem_object *obj); |
| void i915_gem_lastclose(struct drm_device *dev); |
| uint32_t i915_get_gem_seqno(struct drm_device *dev); |
| bool i915_seqno_passed(uint32_t seq1, uint32_t seq2); |
| int i915_gem_object_get_fence_reg(struct drm_gem_object *obj); |
| int i915_gem_object_put_fence_reg(struct drm_gem_object *obj); |
| void i915_gem_retire_requests(struct drm_device *dev); |
| void i915_gem_retire_work_handler(struct work_struct *work); |
| void i915_gem_clflush_object(struct drm_gem_object *obj); |
| int i915_gem_object_set_domain(struct drm_gem_object *obj, |
| uint32_t read_domains, |
| uint32_t write_domain); |
| int i915_gem_init_ringbuffer(struct drm_device *dev); |
| void i915_gem_cleanup_ringbuffer(struct drm_device *dev); |
| int i915_gem_do_init(struct drm_device *dev, unsigned long start, |
| unsigned long end); |
| int i915_gem_idle(struct drm_device *dev); |
| uint32_t i915_add_request(struct drm_device *dev, struct drm_file *file_priv, |
| uint32_t flush_domains); |
| int i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible); |
| int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); |
| int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, |
| int write); |
| int i915_gem_object_set_to_display_plane(struct drm_gem_object *obj); |
| int i915_gem_attach_phys_object(struct drm_device *dev, |
| struct drm_gem_object *obj, int id); |
| void i915_gem_detach_phys_object(struct drm_device *dev, |
| struct drm_gem_object *obj); |
| void i915_gem_free_all_phys_object(struct drm_device *dev); |
| int i915_gem_object_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); |
| void i915_gem_object_put_pages(struct drm_gem_object *obj); |
| void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv); |
| void i915_gem_object_flush_write_domain(struct drm_gem_object *obj); |
| |
| void i915_gem_shrinker_init(void); |
| void i915_gem_shrinker_exit(void); |
| |
| /* 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_gem_object *obj); |
| void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj); |
| bool i915_tiling_ok(struct drm_device *dev, int stride, int size, |
| int tiling_mode); |
| bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj, |
| int tiling_mode); |
| |
| /* i915_gem_debug.c */ |
| void i915_gem_dump_object(struct drm_gem_object *obj, int len, |
| const char *where, uint32_t mark); |
| #if WATCH_INACTIVE |
| void i915_verify_inactive(struct drm_device *dev, char *file, int line); |
| #else |
| #define i915_verify_inactive(dev, file, line) |
| #endif |
| void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle); |
| void i915_gem_dump_object(struct drm_gem_object *obj, int len, |
| const char *where, uint32_t mark); |
| void i915_dump_lru(struct drm_device *dev, const char *where); |
| |
| /* i915_debugfs.c */ |
| int i915_debugfs_init(struct drm_minor *minor); |
| void i915_debugfs_cleanup(struct drm_minor *minor); |
| |
| /* i915_suspend.c */ |
| extern int i915_save_state(struct drm_device *dev); |
| extern int i915_restore_state(struct drm_device *dev); |
| |
| /* i915_suspend.c */ |
| extern int i915_save_state(struct drm_device *dev); |
| extern int i915_restore_state(struct drm_device *dev); |
| |
| #ifdef CONFIG_ACPI |
| /* i915_opregion.c */ |
| extern int intel_opregion_init(struct drm_device *dev, int resume); |
| extern void intel_opregion_free(struct drm_device *dev, int suspend); |
| extern void opregion_asle_intr(struct drm_device *dev); |
| extern void ironlake_opregion_gse_intr(struct drm_device *dev); |
| extern void opregion_enable_asle(struct drm_device *dev); |
| #else |
| static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; } |
| static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; } |
| static inline void opregion_asle_intr(struct drm_device *dev) { return; } |
| static inline void ironlake_opregion_gse_intr(struct drm_device *dev) { return; } |
| static inline void opregion_enable_asle(struct drm_device *dev) { return; } |
| #endif |
| |
| /* modesetting */ |
| extern void intel_modeset_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 i8xx_disable_fbc(struct drm_device *dev); |
| extern void g4x_disable_fbc(struct drm_device *dev); |
| |
| /** |
| * Lock test for when it's just for synchronization of ring access. |
| * |
| * In that case, we don't need to do it when GEM is initialized as nobody else |
| * has access to the ring. |
| */ |
| #define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \ |
| if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \ |
| LOCK_TEST_WITH_RETURN(dev, file_priv); \ |
| } while (0) |
| |
| #define I915_READ(reg) readl(dev_priv->regs + (reg)) |
| #define I915_WRITE(reg, val) writel(val, dev_priv->regs + (reg)) |
| #define I915_READ16(reg) readw(dev_priv->regs + (reg)) |
| #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg)) |
| #define I915_READ8(reg) readb(dev_priv->regs + (reg)) |
| #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg)) |
| #define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg)) |
| #define I915_READ64(reg) readq(dev_priv->regs + (reg)) |
| #define POSTING_READ(reg) (void)I915_READ(reg) |
| |
| #define I915_VERBOSE 0 |
| |
| #define RING_LOCALS volatile unsigned int *ring_virt__; |
| |
| #define BEGIN_LP_RING(n) do { \ |
| int bytes__ = 4*(n); \ |
| if (I915_VERBOSE) DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \ |
| /* a wrap must occur between instructions so pad beforehand */ \ |
| if (unlikely (dev_priv->ring.tail + bytes__ > dev_priv->ring.Size)) \ |
| i915_wrap_ring(dev); \ |
| if (unlikely (dev_priv->ring.space < bytes__)) \ |
| i915_wait_ring(dev, bytes__, __func__); \ |
| ring_virt__ = (unsigned int *) \ |
| (dev_priv->ring.virtual_start + dev_priv->ring.tail); \ |
| dev_priv->ring.tail += bytes__; \ |
| dev_priv->ring.tail &= dev_priv->ring.Size - 1; \ |
| dev_priv->ring.space -= bytes__; \ |
| } while (0) |
| |
| #define OUT_RING(n) do { \ |
| if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ |
| *ring_virt__++ = (n); \ |
| } while (0) |
| |
| #define ADVANCE_LP_RING() do { \ |
| if (I915_VERBOSE) \ |
| DRM_DEBUG("ADVANCE_LP_RING %x\n", dev_priv->ring.tail); \ |
| I915_WRITE(PRB0_TAIL, dev_priv->ring.tail); \ |
| } while(0) |
| |
| /** |
| * Reads a dword out of the status page, which is written to from the command |
| * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or |
| * MI_STORE_DATA_IMM. |
| * |
| * The following dwords have a reserved meaning: |
| * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes. |
| * 0x04: ring 0 head pointer |
| * 0x05: ring 1 head pointer (915-class) |
| * 0x06: ring 2 head pointer (915-class) |
| * 0x10-0x1b: Context status DWords (GM45) |
| * 0x1f: Last written status offset. (GM45) |
| * |
| * The area from dword 0x20 to 0x3ff is available for driver usage. |
| */ |
| #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) |
| #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX) |
| #define I915_GEM_HWS_INDEX 0x20 |
| #define I915_BREADCRUMB_INDEX 0x21 |
| |
| extern int i915_wrap_ring(struct drm_device * dev); |
| extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); |
| |
| #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_GEN2(dev) (INTEL_INFO(dev)->is_i8xx) |
| #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_I965G(dev) (INTEL_INFO(dev)->is_i965g) |
| #define IS_I965GM(dev) (INTEL_INFO(dev)->is_i965gm) |
| #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_IRONLAKE(dev) (INTEL_INFO(dev)->is_ironlake) |
| #define IS_I9XX(dev) (INTEL_INFO(dev)->is_i9xx) |
| #define IS_GEN6(dev) (INTEL_INFO(dev)->is_gen6) |
| #define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile) |
| |
| #define IS_GEN3(dev) (IS_I915G(dev) || \ |
| IS_I915GM(dev) || \ |
| IS_I945G(dev) || \ |
| IS_I945GM(dev) || \ |
| IS_G33(dev) || \ |
| IS_PINEVIEW(dev)) |
| #define IS_GEN4(dev) ((dev)->pci_device == 0x2972 || \ |
| (dev)->pci_device == 0x2982 || \ |
| (dev)->pci_device == 0x2992 || \ |
| (dev)->pci_device == 0x29A2 || \ |
| (dev)->pci_device == 0x2A02 || \ |
| (dev)->pci_device == 0x2A12 || \ |
| (dev)->pci_device == 0x2E02 || \ |
| (dev)->pci_device == 0x2E12 || \ |
| (dev)->pci_device == 0x2E22 || \ |
| (dev)->pci_device == 0x2E32 || \ |
| (dev)->pci_device == 0x2A42 || \ |
| (dev)->pci_device == 0x2E42) |
| |
| #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) |
| |
| /* 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_I9XX(dev) && !(IS_I915G(dev) || \ |
| IS_I915GM(dev))) |
| #define SUPPORTS_DIGITAL_OUTPUTS(dev) (IS_I9XX(dev) && !IS_PINEVIEW(dev)) |
| #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_IRONLAKE(dev)) |
| #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_IRONLAKE(dev)) |
| #define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev)) |
| #define SUPPORTS_TV(dev) (IS_I9XX(dev) && IS_MOBILE(dev) && \ |
| !IS_IRONLAKE(dev) && !IS_PINEVIEW(dev)) |
| #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) (IS_I9XX(dev) || IS_G4X(dev) || IS_IRONLAKE(dev)) |
| #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr) |
| #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc) |
| #define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6) |
| |
| #define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) || \ |
| IS_GEN6(dev)) |
| #define HAS_PIPE_CONTROL(dev) (IS_IRONLAKE(dev) || IS_GEN6(dev)) |
| |
| #define PRIMARY_RINGBUFFER_SIZE (128*1024) |
| |
| #endif |
