summaryrefslogtreecommitdiff
path: root/linux/mga_drv.h
blob: 43deb613ebd1bc473446791dbdb26279fb8a74fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
/* mga_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*-
 * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, 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, sublicense,
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * PRECISION INSIGHT 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.
 *
 * Authors: Rickard E. (Rik) Faith <faith@precisioninsight.com>
 * 	    Jeff Hartmann <jhartmann@precisioninsight.com>
 *
 * $XFree86$
 */

#ifndef _MGA_DRV_H_
#define _MGA_DRV_H_

typedef struct {
   	unsigned int num_dwords;
   	unsigned int max_dwords;
   	u32 *current_dma_ptr;
   	u32 *head;
   	u32 phys_head;
   	int sec_used;
   	int idx;
   	int swap_pending;
   	u32 in_use;
   	atomic_t force_fire;
   	atomic_t needs_overflow;
} drm_mga_prim_buf_t;

typedef struct _drm_mga_freelist {
   	unsigned int age;
   	drm_buf_t *buf;
   	struct _drm_mga_freelist *next;
   	struct _drm_mga_freelist *prev;
} drm_mga_freelist_t;

typedef struct _drm_mga_private {
   	int reserved_map_idx;
   	int buffer_map_idx;
   	drm_mga_sarea_t *sarea_priv;
   	int primary_size;
   	int warp_ucode_size;
   	int chipset;
   	int frontOffset;
   	int backOffset;
   	int depthOffset;
   	int textureOffset;
   	int textureSize;
   	int cpp;
   	int stride;
   	int sgram;
	int use_agp;
   	drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
	unsigned int WarpPipe;
   	__volatile__ unsigned long softrap_age;
   	u32 dispatch_lock;
   	atomic_t in_flush;
   	atomic_t in_wait;
   	atomic_t pending_bufs;
   	unsigned int last_sync_tag;
   	unsigned int sync_tag;
   	void *status_page;
   	unsigned long real_status_page;
   	u8 *ioremap;
   	drm_mga_prim_buf_t **prim_bufs;
   	drm_mga_prim_buf_t *next_prim;
   	drm_mga_prim_buf_t *last_prim;
   	drm_mga_prim_buf_t *current_prim;
   	int current_prim_idx;
   	struct pci_dev *device;
   	drm_mga_freelist_t *head;
   	drm_mga_freelist_t *tail;
   	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
      	wait_queue_head_t wait_queue;	/* Processes waiting until interrupt */

	/* Some validated register values:
	 */	
	u32 mAccess;
} drm_mga_private_t;

				/* mga_drv.c */
extern int  mga_init(void);
extern void mga_cleanup(void);
extern int  mga_version(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  mga_open(struct inode *inode, struct file *filp);
extern int  mga_release(struct inode *inode, struct file *filp);
extern int  mga_ioctl(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int  mga_unlock(struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg);

				/* mga_dma.c */
extern int  mga_dma_schedule(drm_device_t *dev, int locked);
extern int  mga_dma(struct inode *inode, struct file *filp,
		      unsigned int cmd, unsigned long arg);
extern int  mga_irq_install(drm_device_t *dev, int irq);
extern int  mga_irq_uninstall(drm_device_t *dev);
extern int  mga_control(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  mga_lock(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);

/* mga_dma_init does init and release */
extern int mga_dma_init(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int mga_dma_cleanup(drm_device_t *dev);
extern int mga_flush_ioctl(struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg);

extern unsigned int mga_create_sync_tag(drm_device_t *dev);
extern drm_buf_t *mga_freelist_get(drm_device_t *dev);
extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf);
extern int mga_advance_primary(drm_device_t *dev);


				/* mga_bufs.c */
extern int  mga_addbufs(struct inode *inode, struct file *filp, 
			unsigned int cmd, unsigned long arg);
extern int  mga_infobufs(struct inode *inode, struct file *filp, 
			 unsigned int cmd, unsigned long arg);
extern int  mga_markbufs(struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg);
extern int  mga_freebufs(struct inode *inode, struct file *filp,
			 unsigned int cmd, unsigned long arg);
extern int  mga_mapbufs(struct inode *inode, struct file *filp,
			unsigned int cmd, unsigned long arg);
extern int  mga_addmap(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
				/* mga_state.c */
extern int  mga_clear_bufs(struct inode *inode, struct file *filp,
			   unsigned int cmd, unsigned long arg);
extern int  mga_swap_bufs(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  mga_iload(struct inode *inode, struct file *filp,
		      unsigned int cmd, unsigned long arg);
extern int  mga_vertex(struct inode *inode, struct file *filp,
		      unsigned int cmd, unsigned long arg);
				/* mga_context.c */
extern int  mga_resctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
extern int  mga_addctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
extern int  mga_modctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
extern int  mga_getctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
extern int  mga_switchctx(struct inode *inode, struct file *filp,
			  unsigned int cmd, unsigned long arg);
extern int  mga_newctx(struct inode *inode, struct file *filp,
		       unsigned int cmd, unsigned long arg);
extern int  mga_rmctx(struct inode *inode, struct file *filp,
		      unsigned int cmd, unsigned long arg);

extern int  mga_context_switch(drm_device_t *dev, int old, int new);
extern int  mga_context_switch_complete(drm_device_t *dev, int new);


typedef enum {
	TT_GENERAL,
	TT_BLIT,
	TT_VECTOR,
	TT_VERTEX
} transferType_t;

typedef struct {
   	drm_mga_freelist_t *my_freelist;
	int discard;
} drm_mga_buf_priv_t;

#define DWGREG0 	0x1c00
#define DWGREG0_END 	0x1dff
#define DWGREG1		0x2c00
#define DWGREG1_END	0x2dff

#define ISREG0(r)	(r >= DWGREG0 && r <= DWGREG0_END)
#define ADRINDEX0(r)	(u8)((r - DWGREG0) >> 2)
#define ADRINDEX1(r)	(u8)(((r - DWGREG1) >> 2) | 0x80)
#define ADRINDEX(r)	(ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r)) 

#define MGA_VERBOSE 0
#define MGA_NUM_PRIM_BUFS 	8

#define PRIMLOCALS	u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \
			int outcount, num_dwords

#define PRIM_OVERFLOW(dev, dev_priv, length) do {			\
	drm_mga_prim_buf_t *tmp_buf =					\
		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
	if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||	\
	    tmp_buf->sec_used > MGA_DMA_BUF_NR/2) {			\
		atomic_set(&tmp_buf->force_fire, 1);			\
		mga_advance_primary(dev);				\
		mga_dma_schedule(dev, 1);				\
	} else if( atomic_read(&tmp_buf->needs_overflow)) {		\
		mga_advance_primary(dev);				\
		mga_dma_schedule(dev, 1);				\
	}								\
} while(0)

#define PRIMGETPTR(dev_priv) do {					\
	drm_mga_prim_buf_t *tmp_buf =					\
		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
	if(MGA_VERBOSE)							\
		DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__);		\
	dma_ptr = tmp_buf->current_dma_ptr;				\
	num_dwords = tmp_buf->num_dwords;				\
	phys_head = tmp_buf->phys_head;					\
	outcount = 0;							\
} while(0)

#define PRIMPTR(prim_buf) do {					\
	if(MGA_VERBOSE)						\
		DRM_DEBUG("PRIMPTR in %s\n", __FUNCTION__);	\
	dma_ptr = prim_buf->current_dma_ptr;			\
	num_dwords = prim_buf->num_dwords;			\
	phys_head = prim_buf->phys_head;			\
	outcount = 0;						\
} while(0)

#define PRIMFINISH(prim_buf) do {				\
	if (MGA_VERBOSE) {					\
		DRM_DEBUG( "PRIMFINISH in %s\n", __FUNCTION__);	\
                if (outcount & 3)				\
                      DRM_DEBUG(" --- truncation\n");	        \
        }							\
	prim_buf->num_dwords = num_dwords;			\
	prim_buf->current_dma_ptr = dma_ptr;			\
} while(0)

#define PRIMADVANCE(dev_priv)	do {				\
drm_mga_prim_buf_t *tmp_buf = 					\
	dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
	if (MGA_VERBOSE) {					\
		DRM_DEBUG("PRIMADVANCE in %s\n", __FUNCTION__);	\
                if (outcount & 3)				\
                      DRM_DEBUG(" --- truncation\n");	\
        }							\
	tmp_buf->num_dwords = num_dwords;      			\
	tmp_buf->current_dma_ptr = dma_ptr;    			\
} while (0)

#define PRIMUPDATE(dev_priv)	do {					\
	drm_mga_prim_buf_t *tmp_buf =					\
		dev_priv->prim_bufs[dev_priv->current_prim_idx];	\
	tmp_buf->sec_used++;						\
} while (0)

#define PRIMOUTREG(reg, val) do {					\
	tempIndex[outcount]=ADRINDEX(reg);				\
	dma_ptr[1+outcount] = val;					\
	if (MGA_VERBOSE)						\
		DRM_DEBUG("   PRIMOUT %d: 0x%x -- 0x%x\n",		\
		       num_dwords + 1 + outcount, ADRINDEX(reg), val);	\
	if( ++outcount == 4) {						\
		outcount = 0;						\
		dma_ptr[0] = *(u32 *)tempIndex;				\
		dma_ptr+=5;						\
		num_dwords += 5;					\
	}								\
}while (0)

/* A reduced set of the mga registers.
 */

#define MGAREG_MGA_EXEC 			0x0100
#define MGAREG_ALPHACTRL 			0x2c7c
#define MGAREG_AR0 				0x1c60
#define MGAREG_AR1 				0x1c64
#define MGAREG_AR2 				0x1c68
#define MGAREG_AR3 				0x1c6c
#define MGAREG_AR4 				0x1c70
#define MGAREG_AR5 				0x1c74
#define MGAREG_AR6 				0x1c78
#define MGAREG_CXBNDRY				0x1c80
#define MGAREG_CXLEFT 				0x1ca0
#define MGAREG_CXRIGHT				0x1ca4
#define MGAREG_DMAPAD 				0x1c54
#define MGAREG_DSTORG 				0x2cb8
#define MGAREG_DWGCTL 				0x1c00
#define MGAREG_DWGSYNC				0x2c4c
#define MGAREG_FCOL 				0x1c24
#define MGAREG_FIFOSTATUS 			0x1e10
#define MGAREG_FOGCOL 				0x1cf4
#define MGAREG_FXBNDRY				0x1c84
#define MGAREG_FXLEFT 				0x1ca8
#define MGAREG_FXRIGHT				0x1cac
#define MGAREG_ICLEAR 				0x1e18
#define MGAREG_IEN 				0x1e1c
#define MGAREG_LEN 				0x1c5c
#define MGAREG_MACCESS				0x1c04
#define MGAREG_PITCH 				0x1c8c
#define MGAREG_PLNWT 				0x1c1c
#define MGAREG_PRIMADDRESS 			0x1e58
#define MGAREG_PRIMEND				0x1e5c
#define MGAREG_PRIMPTR				0x1e50
#define MGAREG_SECADDRESS 			0x2c40
#define MGAREG_SECEND 				0x2c44
#define MGAREG_SETUPADDRESS 			0x2cd0
#define MGAREG_SETUPEND 			0x2cd4
#define MGAREG_SOFTRAP				0x2c48
#define MGAREG_SRCORG 				0x2cb4
#define MGAREG_STATUS 				0x1e14
#define MGAREG_STENCIL				0x2cc8
#define MGAREG_STENCILCTL 			0x2ccc
#define MGAREG_TDUALSTAGE0 			0x2cf8
#define MGAREG_TDUALSTAGE1 			0x2cfc
#define MGAREG_TEXBORDERCOL 			0x2c5c
#define MGAREG_TEXCTL 				0x2c30
#define MGAREG_TEXCTL2				0x2c3c
#define MGAREG_TEXFILTER 			0x2c58
#define MGAREG_TEXHEIGHT 			0x2c2c
#define MGAREG_TEXORG 				0x2c24
#define MGAREG_TEXORG1				0x2ca4
#define MGAREG_TEXORG2				0x2ca8
#define MGAREG_TEXORG3				0x2cac
#define MGAREG_TEXORG4				0x2cb0
#define MGAREG_TEXTRANS 			0x2c34
#define MGAREG_TEXTRANSHIGH 			0x2c38
#define MGAREG_TEXWIDTH 			0x2c28
#define MGAREG_WACCEPTSEQ 			0x1dd4
#define MGAREG_WCODEADDR 			0x1e6c
#define MGAREG_WFLAG 				0x1dc4
#define MGAREG_WFLAG1 				0x1de0
#define MGAREG_WFLAGNB				0x1e64
#define MGAREG_WFLAGNB1 			0x1e08
#define MGAREG_WGETMSB				0x1dc8
#define MGAREG_WIADDR 				0x1dc0
#define MGAREG_WIADDR2				0x1dd8
#define MGAREG_WMISC 				0x1e70
#define MGAREG_WVRTXSZ				0x1dcc
#define MGAREG_YBOT 				0x1c9c
#define MGAREG_YDST 				0x1c90
#define MGAREG_YDSTLEN				0x1c88
#define MGAREG_YDSTORG				0x1c94
#define MGAREG_YTOP 				0x1c98
#define MGAREG_ZORG 				0x1c0c

#define DC_atype_rstr				0x10
#define DC_atype_blk				0x40
#define PDEA_pagpxfer_enable			0x2
#define WIA_wmode_suspend			0x0
#define WIA_wmode_start 			0x3
#define WIA_wagp_agp				0x4
#define DC_opcod_trap				0x4
#define DC_arzero_enable			0x1000
#define DC_sgnzero_enable			0x2000
#define DC_shftzero_enable			0x4000
#define DC_bop_SHIFT				16
#define DC_clipdis_enable			0x80000000
#define DC_solid_enable				0x800
#define DC_transc_enable			0x40000000
#define DC_opcod_bitblt 			0x8
#define DC_atype_rpl				0x0
#define DC_linear_xy				0x0
#define DC_solid_disable			0x0
#define DC_arzero_disable			0x0
#define DC_bltmod_bfcol				0x4000000
#define DC_pattern_disable			0x0
#define DC_transc_disable			0x0

#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | 		\
		       DC_sgnzero_enable | DC_shftzero_enable | 	\
		       (0xC << DC_bop_SHIFT) | DC_clipdis_enable | 	\
		       DC_solid_enable | DC_transc_enable)
	  

#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy |	\
		      DC_solid_disable | DC_arzero_disable | 		\
		      DC_sgnzero_enable | DC_shftzero_enable | 		\
		      (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | 	\
		      DC_pattern_disable | DC_transc_disable | 		\
		      DC_clipdis_enable)				\

#endif