1/*
2Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
3
4The Weather Channel (TM) funded Tungsten Graphics to develop the
5initial release of the Radeon 8500 driver under the XFree86 license.
6This notice must be preserved.
7
8Permission is hereby granted, free of charge, to any person obtaining
9a copy of this software and associated documentation files (the
10"Software"), to deal in the Software without restriction, including
11without limitation the rights to use, copy, modify, merge, publish,
12distribute, sublicense, and/or sell copies of the Software, and to
13permit persons to whom the Software is furnished to do so, subject to
14the following conditions:
15
16The above copyright notice and this permission notice (including the
17next paragraph) shall be included in all copies or substantial
18portions of the Software.
19
20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27
28**************************************************************************/
29
30/*
31 * Authors:
32 *   Keith Whitwell <keithw@vmware.com>
33 */
34
35#ifndef __R200_IOCTL_H__
36#define __R200_IOCTL_H__
37
38#include "radeon_bo_gem.h"
39#include "radeon_cs_gem.h"
40
41#include "xf86drm.h"
42#include "drm-uapi/drm.h"
43#include "radeon_drm.h"
44
45extern void r200EmitMaxVtxIndex(r200ContextPtr rmesa, int count);
46extern void r200EmitVertexAOS( r200ContextPtr rmesa,
47			       GLuint vertex_size,
48			       struct radeon_bo *bo,
49			       GLuint offset );
50
51extern void r200EmitVbufPrim( r200ContextPtr rmesa,
52				GLuint primitive,
53				GLuint vertex_nr );
54
55extern void r200FlushElts(struct gl_context *ctx);
56
57extern GLushort *r200AllocEltsOpenEnded( r200ContextPtr rmesa,
58					   GLuint primitive,
59					   GLuint min_nr );
60
61extern void r200EmitAOS(r200ContextPtr rmesa, GLuint nr, GLuint offset);
62
63extern void r200InitIoctlFuncs( struct dd_function_table *functions );
64
65void r200SetUpAtomList( r200ContextPtr rmesa );
66
67/* ================================================================
68 * Helper macros:
69 */
70
71/* Close off the last primitive, if it exists.
72 */
73#define R200_NEWPRIM( rmesa )			\
74do {						\
75   if ( rmesa->radeon.dma.flush )			\
76      rmesa->radeon.dma.flush( &rmesa->radeon.glCtx );	\
77} while (0)
78
79/* Can accommodate several state changes and primitive changes without
80 * actually firing the buffer.
81 */
82#define R200_STATECHANGE( rmesa, ATOM )			\
83do {								\
84   R200_NEWPRIM( rmesa );					\
85   rmesa->hw.ATOM.dirty = GL_TRUE;				\
86   rmesa->radeon.hw.is_dirty = GL_TRUE;				\
87} while (0)
88
89#define R200_SET_STATE( rmesa, ATOM, index, newvalue ) 	\
90  do {	\
91    uint32_t __index = (index); \
92    uint32_t __dword = (newvalue); \
93    if (__dword != (rmesa)->hw.ATOM.cmd[__index]) { \
94      R200_STATECHANGE( (rmesa), ATOM ); \
95      (rmesa)->hw.ATOM.cmd[__index] = __dword; \
96    } \
97  } while(0)
98
99#define R200_DB_STATE( ATOM )			        \
100   memcpy( rmesa->hw.ATOM.lastcmd, rmesa->hw.ATOM.cmd,	\
101	   rmesa->hw.ATOM.cmd_size * 4)
102
103static inline int R200_DB_STATECHANGE(
104   r200ContextPtr rmesa,
105   struct radeon_state_atom *atom )
106{
107   if (memcmp(atom->cmd, atom->lastcmd, atom->cmd_size*4)) {
108      GLuint *tmp;
109      R200_NEWPRIM( rmesa );
110      atom->dirty = GL_TRUE;
111      rmesa->radeon.hw.is_dirty = GL_TRUE;
112      tmp = atom->cmd;
113      atom->cmd = atom->lastcmd;
114      atom->lastcmd = tmp;
115      return 1;
116   }
117   else
118      return 0;
119}
120
121
122/* Command lengths.  Note that any time you ensure ELTS_BUFSZ or VBUF_BUFSZ
123 * are available, you will also be adding an rmesa->state.max_state_size because
124 * r200EmitState is called from within r200EmitVbufPrim and r200FlushElts.
125 */
126#define AOS_BUFSZ(nr)	((3 + ((nr / 2) * 3) + ((nr & 1) * 2) + nr*2))
127#define VERT_AOS_BUFSZ	(5)
128#define ELTS_BUFSZ(nr)	(12 + nr * 2)
129#define VBUF_BUFSZ	(3)
130#define SCISSOR_BUFSZ	(8)
131#define INDEX_BUFSZ	(8+2)
132
133static inline uint32_t cmdpacket3(int cmd_type)
134{
135  drm_radeon_cmd_header_t cmd;
136
137  cmd.i = 0;
138  cmd.header.cmd_type = cmd_type;
139
140  return (uint32_t)cmd.i;
141
142}
143
144#define OUT_BATCH_PACKET3(packet, num_extra) do {	      \
145    OUT_BATCH(CP_PACKET2);				      \
146    OUT_BATCH(CP_PACKET3((packet), (num_extra)));	      \
147  } while(0)
148
149#define OUT_BATCH_PACKET3_CLIP(packet, num_extra) do {	      \
150    OUT_BATCH(CP_PACKET2);				      \
151    OUT_BATCH(CP_PACKET3((packet), (num_extra)));	      \
152  } while(0)
153
154
155#endif /* __R200_IOCTL_H__ */
156