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/**************************************************************************
Copyright 2001 VA Linux Systems Inc., Fremont, California.
Copyright 2002 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
on 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
ATI, VA LINUX SYSTEMS AND/OR THEIR 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 _I830_COMMON_H_
#define _I830_COMMON_H_
#define I830_NR_TEX_REGIONS 255 /* maximum due to use of chars for next/prev */
#define I830_LOG_MIN_TEX_REGION_SIZE 14
/* Driver specific DRM command indices
* NOTE: these are not OS specific, but they are driver specific
*/
#define DRM_I830_INIT 0x00
#define DRM_I830_FLUSH 0x01
#define DRM_I830_FLIP 0x02
#define DRM_I830_BATCHBUFFER 0x03
#define DRM_I830_IRQ_EMIT 0x04
#define DRM_I830_IRQ_WAIT 0x05
#define DRM_I830_GETPARAM 0x06
#define DRM_I830_SETPARAM 0x07
#define DRM_I830_ALLOC 0x08
#define DRM_I830_FREE 0x09
#define DRM_I830_INIT_HEAP 0x0a
#define DRM_I830_CMDBUFFER 0x0b
#define DRM_I830_DESTROY_HEAP 0x0c
#define DRM_I830_SET_VBLANK_PIPE 0x0d
#define DRM_I830_GET_VBLANK_PIPE 0x0e
#define DRM_I830_MMIO 0x10
typedef struct {
enum {
I830_INIT_DMA = 0x01,
I830_CLEANUP_DMA = 0x02,
I830_RESUME_DMA = 0x03
} func;
unsigned int mmio_offset;
int sarea_priv_offset;
unsigned int ring_start;
unsigned int ring_end;
unsigned int ring_size;
unsigned int front_offset;
unsigned int back_offset;
unsigned int depth_offset;
unsigned int w;
unsigned int h;
unsigned int pitch;
unsigned int pitch_bits;
unsigned int back_pitch;
unsigned int depth_pitch;
unsigned int cpp;
unsigned int chipset;
} drmI830Init;
typedef struct {
drmTextureRegion texList[I830_NR_TEX_REGIONS+1];
int last_upload; /* last time texture was uploaded */
int last_enqueue; /* last time a buffer was enqueued */
int last_dispatch; /* age of the most recently dispatched buffer */
int ctxOwner; /* last context to upload state */
/** Last context that used the buffer manager. */
int texAge;
int pf_enabled; /* is pageflipping allowed? */
int pf_active;
int pf_current_page; /* which buffer is being displayed? */
int perf_boxes; /* performance boxes to be displayed */
int width, height; /* screen size in pixels */
drm_handle_t front_handle;
int front_offset;
int front_size;
drm_handle_t back_handle;
int back_offset;
int back_size;
drm_handle_t depth_handle;
int depth_offset;
int depth_size;
drm_handle_t tex_handle;
int tex_offset;
int tex_size;
int log_tex_granularity;
int pitch;
int rotation; /* 0, 90, 180 or 270 */
int rotated_offset;
int rotated_size;
int rotated_pitch;
int virtualX, virtualY;
unsigned int front_tiled;
unsigned int back_tiled;
unsigned int depth_tiled;
unsigned int rotated_tiled;
unsigned int rotated2_tiled;
int planeA_x;
int planeA_y;
int planeA_w;
int planeA_h;
int planeB_x;
int planeB_y;
int planeB_w;
int planeB_h;
/* Triple buffering */
drm_handle_t third_handle;
int third_offset;
int third_size;
unsigned int third_tiled;
/* buffer object handles for the static buffers. May change
* over the lifetime of the client, though it doesn't in our current
* implementation.
*/
unsigned int front_bo_handle;
unsigned int back_bo_handle;
unsigned int third_bo_handle;
unsigned int depth_bo_handle;
} drmI830Sarea;
/* Flags for perf_boxes
*/
#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */
#define I830_BOX_FLIP 0x2 /* populated by kernel */
#define I830_BOX_WAIT 0x4 /* populated by kernel & client */
#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */
#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */
typedef struct {
int start; /* agp offset */
int used; /* nr bytes in use */
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
int num_cliprects; /* mulitpass with multiple cliprects? */
drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
} drmI830BatchBuffer;
typedef struct {
char *buf; /* agp offset */
int sz; /* nr bytes in use */
int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
int num_cliprects; /* mulitpass with multiple cliprects? */
drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
} drmI830CmdBuffer;
typedef struct {
int *irq_seq;
} drmI830IrqEmit;
typedef struct {
int irq_seq;
} drmI830IrqWait;
typedef struct {
int param;
int *value;
} drmI830GetParam;
#define I830_PARAM_IRQ_ACTIVE 1
#define I830_PARAM_ALLOW_BATCHBUFFER 2
typedef struct {
int param;
int value;
} drmI830SetParam;
#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1
#define I830_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
#define I830_SETPARAM_ALLOW_BATCHBUFFER 3
/* A memory manager for regions of shared memory:
*/
#define I830_MEM_REGION_AGP 1
typedef struct {
int region;
int alignment;
int size;
int *region_offset; /* offset from start of fb or agp */
} drmI830MemAlloc;
typedef struct {
int region;
int region_offset;
} drmI830MemFree;
typedef struct {
int region;
int size;
int start;
} drmI830MemInitHeap;
typedef struct {
int region;
} drmI830MemDestroyHeap;
#define DRM_I830_VBLANK_PIPE_A 1
#define DRM_I830_VBLANK_PIPE_B 2
typedef struct {
int pipe;
} drmI830VBlankPipe;
#define MMIO_READ 0
#define MMIO_WRITE 1
#define MMIO_REGS_IA_PRIMATIVES_COUNT 0
#define MMIO_REGS_IA_VERTICES_COUNT 1
#define MMIO_REGS_VS_INVOCATION_COUNT 2
#define MMIO_REGS_GS_PRIMITIVES_COUNT 3
#define MMIO_REGS_GS_INVOCATION_COUNT 4
#define MMIO_REGS_CL_PRIMITIVES_COUNT 5
#define MMIO_REGS_CL_INVOCATION_COUNT 6
#define MMIO_REGS_PS_INVOCATION_COUNT 7
#define MMIO_REGS_PS_DEPTH_COUNT 8
typedef struct {
unsigned int read_write:1;
unsigned int reg:31;
void __user *data;
} drmI830MMIO;
#endif /* _I830_DRM_H_ */
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