/* 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_ /* General customization: */ #define DRIVER_AUTHOR "Tungsten Graphics, Inc." #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" #define DRIVER_DATE "20070209" #if defined(__linux__) #define I915_HAVE_FENCE #define I915_HAVE_BUFFER #endif /* 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 * 1.8: New ioctl for ARB_Occlusion_Query * 1.9: Usable page flipping and triple buffering * 1.10: Plane/pipe disentangling * 1.11: TTM superioctl */ #define DRIVER_MAJOR 1 #if defined(I915_HAVE_FENCE) && defined(I915_HAVE_BUFFER) #define DRIVER_MINOR 11 #else #define DRIVER_MINOR 6 #endif #define DRIVER_PATCHLEVEL 0 #ifdef I915_HAVE_BUFFER #define I915_MAX_VALIDATE_BUFFERS 4096 #endif typedef struct _drm_i915_ring_buffer { int tail_mask; unsigned long Start; unsigned long End; unsigned long Size; u8 *virtual_start; int head; int tail; int space; drm_local_map_t map; } 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 */ }; typedef struct _drm_i915_vbl_swap { struct list_head head; drm_drawable_t drw_id; unsigned int plane; unsigned int sequence; int flip; } drm_i915_vbl_swap_t; typedef struct drm_i915_private { drm_local_map_t *sarea; drm_local_map_t *mmio_map; drm_i915_sarea_t *sarea_priv; drm_i915_ring_buffer_t ring; drm_dma_handle_t *status_page_dmah; void *hw_status_page; dma_addr_t dma_status_page; uint32_t counter; unsigned int status_gfx_addr; drm_local_map_t hws_map; unsigned int cpp; int use_mi_batchbuffer_start; wait_queue_head_t irq_queue; atomic_t irq_received; atomic_t irq_emitted; int tex_lru_log_granularity; int allow_batchbuffer; struct mem_block *agp_heap; unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; int vblank_pipe; DRM_SPINTYPE user_irq_lock; int user_irq_refcount; int fence_irq_on; uint32_t irq_enable_reg; int irq_enabled; #ifdef I915_HAVE_FENCE uint32_t flush_sequence; uint32_t flush_flags; uint32_t flush_pending; uint32_t saved_flush_status; #endif #ifdef I915_HAVE_BUFFER void *agp_iomap; unsigned int max_validate_buffers; #endif DRM_SPINTYPE swaps_lock; drm_i915_vbl_swap_t vbl_swaps; unsigned int swaps_pending; } drm_i915_private_t; 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; /* 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 void i915_driver_lastclose(struct drm_device * dev); extern void i915_driver_preclose(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 void i915_emit_breadcrumb(struct drm_device *dev); extern void i915_dispatch_flip(struct drm_device * dev, int pipes, int sync); extern int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush); extern int i915_driver_firstopen(struct drm_device *dev); /* i915_irq.c */ 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); extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(struct drm_device * dev); extern void 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_emit_irq(struct drm_device * dev); extern void i915_user_irq_on(drm_i915_private_t *dev_priv); extern void i915_user_irq_off(drm_i915_private_t *dev_priv); extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); /* 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); #ifdef I915_HAVE_FENCE /* i915_fence.c */ extern void i915_fence_handler(struct drm_device *dev); extern int i915_fence_emit_sequence(struct drm_device *dev, uint32_t class, uint32_t flags, uint32_t *sequence, uint32_t *native_type); extern void i915_poke_flush(struct drm_device *dev, uint32_t class); extern int i915_fence_has_irq(struct drm_device *dev, uint32_t class, uint32_t flags); #endif #ifdef I915_HAVE_BUFFER /* i915_buffer.c */ extern struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device *dev); extern int i915_fence_types(struct drm_buffer_object *bo, uint32_t *fclass, uint32_t *type); extern int i915_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags); extern int i915_init_mem_type(struct drm_device *dev, uint32_t type, struct drm_mem_type_manager *man); extern uint32_t i915_evict_mask(struct drm_buffer_object *bo); extern int i915_move(struct drm_buffer_object *bo, int evict, int no_wait, struct drm_bo_mem_reg *new_mem); #endif #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) #define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val)) #define I915_VERBOSE 0 #define RING_LOCALS unsigned int outring, ringmask, outcount; \ volatile char *virt; #define BEGIN_LP_RING(n) do { \ if (I915_VERBOSE) \ DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \ (n), __FUNCTION__); \ if (dev_priv->ring.space < (n)*4) \ i915_wait_ring(dev, (n)*4, __FUNCTION__); \ outcount = 0; \ outring = dev_priv->ring.tail; \ ringmask = dev_priv->ring.tail_mask; \ virt = dev_priv->ring.virtual_start; \ } while (0) #define OUT_RING(n) do { \ if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ *(volatile unsigned int *)(virt + outring) = (n); \ outcount++; \ outring += 4; \ outring &= ringmask; \ } while (0) #define ADVANCE_LP_RING() do { \ if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \ dev_priv->ring.tail = outring; \ dev_priv->ring.space -= outcount * 4; \ I915_WRITE(LP_RING + RING_TAIL, outring); \ } while(0) extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) #define CMD_REPORT_HEAD (7<<23) #define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) #define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) #define CMD_MI_FLUSH (0x04 << 23) #define MI_NO_WRITE_FLUSH (1 << 2) #define MI_READ_FLUSH (1 << 0) #define MI_EXE_FLUSH (1 << 1) #define MI_END_SCENE (1 << 4) /* flush binner and incr scene count */ #define MI_SCENE_COUNT (1 << 3) /* just increment scene count */ /* Packet to load a register value from the ring/batch command stream: */ #define CMD_MI_LOAD_REGISTER_IMM ((0x22 << 23)|0x1) #define BB1_START_ADDR_MASK (~0x7) #define BB1_PROTECTED (1<<0) #define BB1_UNPROTECTED (0<<0) #define BB2_END_ADDR_MASK (~0x7) /* Interrupt bits: */ #define USER_INT_FLAG (1<<1) #define VSYNC_PIPEB_FLAG (1<<5) #define VSYNC_PIPEA_FLAG (1<<7) #define HWB_OOM_FLAG (1<<13) /* binner out of memory */ #define I915REG_HWSTAM 0x02098 #define I915REG_INT_IDENTITY_R 0x020a4 #define I915REG_INT_MASK_R 0x020a8 #define I915REG_INT_ENABLE_R 0x020a0 #define I915REG_INSTPM 0x020c0 #define I915REG_PIPEASTAT 0x70024 #define I915REG_PIPEBSTAT 0x71024 #define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17) #define I915_VBLANK_CLEAR (1UL<<1) #define SRX_INDEX 0x3c4 #define SRX_DATA 0x3c5 #define SR01 1 #define SR01_SCREEN_OFF (1<<5) #define PPCR 0x61204 #define PPCR_ON (1<<0) #define DVOB 0x61140 #define DVOB_ON (1<<31) #define DVOC 0x61160 #define DVOC_ON (1<<31) #define LVDS 0x61180 #define LVDS_ON (1<<31) #define ADPA 0x61100 #define ADPA_DPMS_MASK (~(3<<10)) #define ADPA_DPMS_ON (0<<10) #define ADPA_DPMS_SUSPEND (1<<10) #define ADPA_DPMS_STANDBY (2<<10) #define ADPA_DPMS_OFF (3<<10) #define NOPID 0x2094 #define LP_RING 0x2030 #define HP_RING 0x2040 /* The binner has its own ring buffer: */ #define HWB_RING 0x2400 #define RING_TAIL 0x00 #define TAIL_ADDR 0x001FFFF8 #define RING_HEAD 0x04 #define HEAD_WRAP_COUNT 0xFFE00000 #define HEAD_WRAP_ONE 0x00200000 #define HEAD_ADDR 0x001FFFFC #define RING_START 0x08 #define START_ADDR 0x0xFFFFF000 #define RING_LEN 0x0C #define RING_NR_PAGES 0x001FF000 #define RING_REPORT_MASK 0x00000006 #define RING_REPORT_64K 0x00000002 #define RING_REPORT_128K 0x00000004 #define RING_NO_REPORT 0x00000000 #define RING_VALID_MASK 0x00000001 #define RING_VALID 0x00000001 #define RING_INVALID 0x00000000 /* Instruction parser error reg: */ #define IPEIR 0x2088 /* Scratch pad debug 0 reg: */ #define SCPD0 0x209c /* Error status reg: */ #define ESR 0x20b8 /* Secondary DMA fetch address debug reg: */ #define DMA_FADD_S 0x20d4 /* Cache mode 0 reg. * - Manipulating render cache behaviour is central * to the concept of zone rendering, tuning this reg can help avoid * unnecessary render cache reads and even writes (for z/stencil) * at beginning and end of scene. * * - To change a bit, write to this reg with a mask bit set and the * bit of interest either set or cleared. EG: (BIT<<16) | BIT to set. */ #define Cache_Mode_0 0x2120 #define CM0_MASK_SHIFT 16 #define CM0_IZ_OPT_DISABLE (1<<6) #define CM0_ZR_OPT_DISABLE (1<<5) #define CM0_DEPTH_EVICT_DISABLE (1<<4) #define CM0_COLOR_EVICT_DISABLE (1<<3) #define CM0_DEPTH_WRITE_DISABLE (1<<1) #define CM0_RC_OP_FLUSH_DISABLE (1<<0) /* Graphics flush control. A CPU write flushes the GWB of all writes. * The data is discarded. */ #define GFX_FLSH_CNTL 0x2170 /* Binner control. Defines the location of the bin pointer list: */ #define BINCTL 0x2420 #define BC_MASK (1 << 9) /* Binned scene info. */ #define BINSCENE 0x2428 #define BS_OP_LOAD (1 << 8) #define BS_MASK (1 << 22) /* Bin command parser debug reg: */ #define BCPD 0x2480 /* Bin memory control debug reg: */ #define BMCD 0x2484 /* Bin data cache debug reg: */ #define BDCD 0x2488 /* Binner pointer cache debug reg: */ #define BPCD 0x248c /* Binner scratch pad debug reg: */ #define BINSKPD 0x24f0 /* HWB scratch pad debug reg: */ #define HWBSKPD 0x24f4 /* Binner memory pool reg: */ #define BMP_BUFFER 0x2430 #define BMP_PAGE_SIZE_4K (0 << 10) #define BMP_BUFFER_SIZE_SHIFT 1 #define BMP_ENABLE (1 << 0) /* Get/put memory from the binner memory pool: */ #define BMP_GET 0x2438 #define BMP_PUT 0x2440 #define BMP_OFFSET_SHIFT 5 /* 3D state packets: */ #define GFX_OP_RASTER_RULES ((0x3<<29)|(0x7<<24)) #define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) #define SC_UPDATE_SCISSOR (0x1<<1) #define SC_ENABLE_MASK (0x1<<0) #define SC_ENABLE (0x1<<0) #define GFX_OP_LOAD_INDIRECT ((0x3<<29)|(0x1d<<24)|(0x7<<16)) #define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) #define SCI_YMIN_MASK (0xffff<<16) #define SCI_XMIN_MASK (0xffff<<0) #define SCI_YMAX_MASK (0xffff<<16) #define SCI_XMAX_MASK (0xffff<<0) #define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) #define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) #define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) #define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) #define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) #define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) #define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) #define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) #define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) #define MI_BATCH_BUFFER ((0x30<<23)|1) #define MI_BATCH_BUFFER_START (0x31<<23) #define MI_BATCH_BUFFER_END (0xA<<23) #define MI_BATCH_NON_SECURE (1) #define MI_BATCH_NON_SECURE_I965 (1<<8) #define MI_WAIT_FOR_EVENT ((0x3<<23)) #define MI_WAIT_FOR_PLANE_B_FLIP (1<<6) #define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) #define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) #define MI_LOAD_SCAN_LINES_INCL ((0x12<<23)) #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) #define ASYNC_FLIP (1<<22) #define DISPLAY_PLANE_A (0<<20) #define DISPLAY_PLANE_B (1<<20) /* Display regs */ #define DSPACNTR 0x70180 #define DSPBCNTR 0x71180 #define DISPPLANE_SEL_PIPE_MASK (1<<24) /* Define the region of interest for the binner: */ #define CMD_OP_BIN_CONTROL ((0x3<<29)|(0x1d<<24)|(0x84<<16)|4) #define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) #define BREADCRUMB_BITS 31 #define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1) #define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5]) #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) #endif