From ddcb28259f70d6808caf57e8eb9f74ca95b5f069 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Thu, 25 May 2000 21:06:02 +0000
Subject: Merged mga-0-0-3-branch - New security model for i810 - Enable i810
 dri by default - New indexed vertex path for mga - Mga kernel driver rework -
 Removed dead files in i810 driver

---
 linux-core/i810_drm.h | 129 +++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 112 insertions(+), 17 deletions(-)

(limited to 'linux-core/i810_drm.h')

diff --git a/linux-core/i810_drm.h b/linux-core/i810_drm.h
index 0754874c..4c8e09f6 100644
--- a/linux-core/i810_drm.h
+++ b/linux-core/i810_drm.h
@@ -5,35 +5,112 @@
  * if you change them, you must change the defines in the Xserver.
  */
 
-/* Might one day want to support the client-side ringbuffer code again.
- */
 #ifndef _I810_DEFINES_
 #define _I810_DEFINES_
 
-#define I810_USE_BATCH			1
 #define I810_DMA_BUF_ORDER		12
 #define I810_DMA_BUF_SZ 		(1<<I810_DMA_BUF_ORDER)
 #define I810_DMA_BUF_NR 		256
-#define I810_NR_SAREA_CLIPRECTS 	2
+#define I810_NR_SAREA_CLIPRECTS 	8
 
 /* Each region is a minimum of 64k, and there are at most 64 of them.
  */
-
 #define I810_NR_TEX_REGIONS 64
 #define I810_LOG_MIN_TEX_REGION_SIZE 16
 #endif
 
+#define I810_UPLOAD_TEX0IMAGE  0x1 /* handled clientside */
+#define I810_UPLOAD_TEX1IMAGE  0x2 /* handled clientside */
+#define I810_UPLOAD_CTX        0x4
+#define I810_UPLOAD_BUFFERS    0x8
+#define I810_UPLOAD_TEX0       0x10
+#define I810_UPLOAD_TEX1       0x20
+#define I810_UPLOAD_CLIPRECTS  0x40
+
+
+/* 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 acommodate private buffers
+ * in the future.
+ */
+#define I810_DESTREG_DI0  0	/* CMD_OP_DESTBUFFER_INFO (2 dwords) */
+#define I810_DESTREG_DI1  1
+#define I810_DESTREG_DV0  2	/* GFX_OP_DESTBUFFER_VARS (2 dwords) */
+#define I810_DESTREG_DV1  3
+#define I810_DESTREG_DR0  4	/* GFX_OP_DRAWRECT_INFO (4 dwords) */
+#define I810_DESTREG_DR1  5
+#define I810_DESTREG_DR2  6
+#define I810_DESTREG_DR3  7
+#define I810_DESTREG_DR4  8
+#define I810_DEST_SETUP_SIZE 10
+
+/* Context state
+ */
+#define I810_CTXREG_CF0   0	/* GFX_OP_COLOR_FACTOR */
+#define I810_CTXREG_CF1   1	
+#define I810_CTXREG_ST0   2     /* GFX_OP_STIPPLE */
+#define I810_CTXREG_ST1   3
+#define I810_CTXREG_VF    4	/* GFX_OP_VERTEX_FMT */
+#define I810_CTXREG_MT    5	/* GFX_OP_MAP_TEXELS */
+#define I810_CTXREG_MC0   6	/* GFX_OP_MAP_COLOR_STAGES - stage 0 */
+#define I810_CTXREG_MC1   7     /* GFX_OP_MAP_COLOR_STAGES - stage 1 */
+#define I810_CTXREG_MC2   8	/* GFX_OP_MAP_COLOR_STAGES - stage 2 */
+#define I810_CTXREG_MA0   9	/* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
+#define I810_CTXREG_MA1   10	/* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
+#define I810_CTXREG_MA2   11	/* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
+#define I810_CTXREG_SDM   12	/* GFX_OP_SRC_DEST_MONO */
+#define I810_CTXREG_FOG   13	/* GFX_OP_FOG_COLOR */
+#define I810_CTXREG_B1    14	/* GFX_OP_BOOL_1 */
+#define I810_CTXREG_B2    15	/* GFX_OP_BOOL_2 */
+#define I810_CTXREG_LCS   16	/* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
+#define I810_CTXREG_PV    17	/* GFX_OP_PV_RULE -- Invarient! */
+#define I810_CTXREG_ZA    18	/* GFX_OP_ZBIAS_ALPHAFUNC */
+#define I810_CTXREG_AA    19	/* GFX_OP_ANTIALIAS */
+#define I810_CTX_SETUP_SIZE 20 
+
+/* Texture state (per tex unit)
+ */
+#define I810_TEXREG_MI0  0	/* GFX_OP_MAP_INFO (4 dwords) */
+#define I810_TEXREG_MI1  1	
+#define I810_TEXREG_MI2  2	
+#define I810_TEXREG_MI3  3	
+#define I810_TEXREG_MF   4	/* GFX_OP_MAP_FILTER */
+#define I810_TEXREG_MLC  5	/* GFX_OP_MAP_LOD_CTL */
+#define I810_TEXREG_MLL  6	/* GFX_OP_MAP_LOD_LIMITS */
+#define I810_TEXREG_MCS  7	/* GFX_OP_MAP_COORD_SETS ??? */
+#define I810_TEX_SETUP_SIZE 8
+
+#define I810_FRONT   0x1
+#define I810_BACK    0x2
+#define I810_DEPTH   0x4
+
+
 typedef struct _drm_i810_init {
-   	enum {
-	   	I810_INIT_DMA = 0x01,
-	   	I810_CLEANUP_DMA = 0x02
+	enum {
+		I810_INIT_DMA = 0x01,
+		I810_CLEANUP_DMA = 0x02
 	} func;
-   	int ring_map_idx;
-      	int buffer_map_idx;
+	int ring_map_idx;
+	int buffer_map_idx;
 	int sarea_priv_offset;
-   	unsigned long ring_start;
-   	unsigned long ring_end;
-   	unsigned long ring_size;
+	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; 
 } drm_i810_init_t;
 
 /* Warning: If you change the SAREA structure you must change the Xserver
@@ -46,6 +123,11 @@ typedef struct _drm_i810_tex_region {
 } drm_i810_tex_region_t;
 
 typedef struct _drm_i810_sarea {
+   	unsigned int ContextState[I810_CTX_SETUP_SIZE];
+   	unsigned int BufferState[I810_DEST_SETUP_SIZE];
+   	unsigned int TexState[2][I810_TEX_SETUP_SIZE];
+   	unsigned int dirty;
+
 	unsigned int nbox;
 	drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
 
@@ -72,12 +154,18 @@ typedef struct _drm_i810_sarea {
 	int last_dispatch;	/* age of the most recently dispatched buffer */
 	int last_quiescent;     /*  */
 	int ctxOwner;		/* last context to upload state */
+
+	int vertex_prim;
+
 } drm_i810_sarea_t;
 
-typedef struct _drm_i810_general {
-   	int idx;
-	int used;
-} drm_i810_general_t;
+typedef struct _drm_i810_clear {
+	int clear_color;
+	int clear_depth;
+	int flags;
+} drm_i810_clear_t;
+
+
 
 /* These may be placeholders if we have more cliprects than
  * I810_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
@@ -90,4 +178,11 @@ typedef struct _drm_i810_vertex {
 	int discard;		/* client is finished with the buffer? */
 } drm_i810_vertex_t;
 
+typedef struct drm_i810_dma {
+	void *virtual;
+	int request_idx;
+	int request_size;
+	int granted;
+} drm_i810_dma_t;
+
 #endif /* _I810_DRM_H_ */
-- 
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