#ifndef _I830_DRM_H_
#define _I830_DRM_H_

/* WARNING: These defines must be the same as what the Xserver uses.
 * if you change them, you must change the defines in the Xserver.
 *
 * KW: Actually, you can't ever change them because doing so would
 * break backwards compatibility.
 */

#ifndef _I830_DEFINES_
#define _I830_DEFINES_

#define I830_DMA_BUF_ORDER		12
#define I830_DMA_BUF_SZ			(1<<I830_DMA_BUF_ORDER)
#define I830_DMA_BUF_NR			256
#define I830_NR_SAREA_CLIPRECTS		8

/* Each region is a minimum of 64k, and there are at most 64 of them.
 */
#define I830_NR_TEX_REGIONS 64
#define I830_LOG_MIN_TEX_REGION_SIZE 16

/* KW: These aren't correct but someone set them to two and then
 * released the module.  Now we can't change them as doing so would
 * break backwards compatibility.
 */
#define I830_TEXTURE_COUNT	2
#define I830_TEXBLEND_COUNT	I830_TEXTURE_COUNT

#define I830_TEXBLEND_SIZE	12	/* (4 args + op) * 2 + COLOR_FACTOR */

#define I830_UPLOAD_CTX			0x1
#define I830_UPLOAD_BUFFERS		0x2
#define I830_UPLOAD_CLIPRECTS		0x4
#define I830_UPLOAD_TEX0_IMAGE		0x100	/* handled clientside */
#define I830_UPLOAD_TEX0_CUBE		0x200	/* handled clientside */
#define I830_UPLOAD_TEX1_IMAGE		0x400	/* handled clientside */
#define I830_UPLOAD_TEX1_CUBE		0x800	/* handled clientside */
#define I830_UPLOAD_TEX2_IMAGE		0x1000	/* handled clientside */
#define I830_UPLOAD_TEX2_CUBE		0x2000	/* handled clientside */
#define I830_UPLOAD_TEX3_IMAGE		0x4000	/* handled clientside */
#define I830_UPLOAD_TEX3_CUBE		0x8000	/* handled clientside */
#define I830_UPLOAD_TEX_N_IMAGE(n)	(0x100 << (n * 2))
#define I830_UPLOAD_TEX_N_CUBE(n)	(0x200 << (n * 2))
#define I830_UPLOAD_TEXIMAGE_MASK	0xff00
#define I830_UPLOAD_TEX0			0x10000
#define I830_UPLOAD_TEX1			0x20000
#define I830_UPLOAD_TEX2			0x40000
#define I830_UPLOAD_TEX3			0x80000
#define I830_UPLOAD_TEX_N(n)		(0x10000 << (n))
#define I830_UPLOAD_TEX_MASK		0xf0000
#define I830_UPLOAD_TEXBLEND0		0x100000
#define I830_UPLOAD_TEXBLEND1		0x200000
#define I830_UPLOAD_TEXBLEND2		0x400000
#define I830_UPLOAD_TEXBLEND3		0x800000
#define I830_UPLOAD_TEXBLEND_N(n)	(0x100000 << (n))
#define I830_UPLOAD_TEXBLEND_MASK	0xf00000
#define I830_UPLOAD_TEX_PALETTE_N(n)    (0x1000000 << (n))
#define I830_UPLOAD_TEX_PALETTE_SHARED	0x4000000
#define I830_UPLOAD_STIPPLE		0x8000000

/* Indices into buf.Setup where various bits of state are mirrored per
 * context and per buffer.  These can be fired at the card as a unit,
 * or in a piecewise fashion as required.
 */

/* Destbuffer state
 *    - backbuffer linear offset and pitch -- invarient in the current dri
 *    - zbuffer linear offset and pitch -- also invarient
 *    - drawing origin in back and depth buffers.
 *
 * Keep the depth/back buffer state here to accommodate private buffers
 * in the future.
 */

#define I830_DESTREG_CBUFADDR 0
#define I830_DESTREG_DBUFADDR 1
#define I830_DESTREG_DV0 2
#define I830_DESTREG_DV1 3
#define I830_DESTREG_SENABLE 4
#define I830_DESTREG_SR0 5
#define I830_DESTREG_SR1 6
#define I830_DESTREG_SR2 7
#define I830_DESTREG_DR0 8
#define I830_DESTREG_DR1 9
#define I830_DESTREG_DR2 10
#define I830_DESTREG_DR3 11
#define I830_DESTREG_DR4 12
#define I830_DEST_SETUP_SIZE 13