aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/sis/sis_accel.h
blob: bb28f331d60d315354145faf27f8fa328332eee0 (plain) (blame)
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
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
/*
 * SiS 300/630/730/540/315/550/650/740 frame buffer driver
 * for Linux kernels 2.4.x and 2.5.x
 *
 * 2D acceleration part
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the named License,
 * or any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
 *
 * Based on the X driver's sis300_accel.h which is
 *     Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
 * and sis310_accel.h which is
 *     Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
 *
 * Author:   Thomas Winischhofer <thomas@winischhofer.net>:
 *			(see http://www.winischhofer.net/
 *			for more information and updates)
 */

#ifndef _SISFB_ACCEL_H
#define _SISFB_ACCEL_H

/* Guard accelerator accesses with spin_lock_irqsave? Works well without. */
#undef SISFB_USE_SPINLOCKS

#ifdef SISFB_USE_SPINLOCKS
#include <linux/spinlock.h>
#define CRITBEGIN  spin_lock_irqsave(&ivideo->lockaccel, critflags);
#define CRITEND	   spin_unlock_irqrestore(&ivideo->lockaccel, critflags);
#define CRITFLAGS  unsigned long critflags;
#else
#define CRITBEGIN
#define CRITEND
#define CRITFLAGS
#endif

/* Definitions for the SIS engine communication. */

#define PATREGSIZE      384  /* Pattern register size. 384 bytes @ 0x8300 */
#define BR(x)   (0x8200 | (x) << 2)
#define PBR(x)  (0x8300 | (x) << 2)

/* SiS300 engine commands */
#define BITBLT                  0x00000000  /* Blit */
#define COLOREXP                0x00000001  /* Color expand */
#define ENCOLOREXP              0x00000002  /* Enhanced color expand */
#define MULTIPLE_SCANLINE       0x00000003  /* ? */
#define LINE                    0x00000004  /* Draw line */
#define TRAPAZOID_FILL          0x00000005  /* Fill trapezoid */
#define TRANSPARENT_BITBLT      0x00000006  /* Transparent Blit */

/* Additional engine commands for 315 */
#define ALPHA_BLEND		0x00000007  /* Alpha blend ? */
#define A3D_FUNCTION		0x00000008  /* 3D command ? */
#define	CLEAR_Z_BUFFER		0x00000009  /* ? */
#define GRADIENT_FILL		0x0000000A  /* Gradient fill */

/* source select */
#define SRCVIDEO                0x00000000  /* source is video RAM */
#define SRCSYSTEM               0x00000010  /* source is system memory */
#define SRCCPUBLITBUF           SRCSYSTEM   /* source is CPU-driven BitBuffer (for color expand) */
#define SRCAGP                  0x00000020  /* source is AGP memory (?) */

/* Pattern flags */
#define PATFG                   0x00000000  /* foreground color */
#define PATPATREG               0x00000040  /* pattern in pattern buffer (0x8300) */
#define PATMONO                 0x00000080  /* mono pattern */

/* blitting direction (300 series only) */
#define X_INC                   0x00010000
#define X_DEC                   0x00000000
#define Y_INC                   0x00020000
#define Y_DEC                   0x00000000

/* Clipping flags */
#define NOCLIP                  0x00000000
#define NOMERGECLIP             0x04000000
#define CLIPENABLE              0x00040000
#define CLIPWITHOUTMERGE        0x04040000

/* Transparency */
#define OPAQUE                  0x00000000
#define TRANSPARENT             0x00100000

/* ? */
#define DSTAGP                  0x02000000
#define DSTVIDEO                0x02000000

/* Subfunctions for Color/Enhanced Color Expansion (315 only) */
#define COLOR_TO_MONO		0x00100000
#define AA_TEXT			0x00200000

/* Some general registers for 315 series */
#define SRC_ADDR		0x8200
#define SRC_PITCH		0x8204
#define AGP_BASE		0x8206 /* color-depth dependent value */
#define SRC_Y			0x8208
#define SRC_X			0x820A
#define DST_Y			0x820C
#define DST_X			0x820E
#define DST_ADDR		0x8210
#define DST_PITCH		0x8214
#define DST_HEIGHT		0x8216
#define RECT_WIDTH		0x8218
#define RECT_HEIGHT		0x821A
#define PAT_FGCOLOR		0x821C
#define PAT_BGCOLOR		0x8220
#define SRC_FGCOLOR		0x8224
#define SRC_BGCOLOR		0x8228
#define MONO_MASK		0x822C
#define LEFT_CLIP		0x8234
#define TOP_CLIP		0x8236
#define RIGHT_CLIP		0x8238
#define BOTTOM_CLIP		0x823A
#define COMMAND_READY		0x823C
#define FIRE_TRIGGER      	0x8240

#define PATTERN_REG		0x8300  /* 384 bytes pattern buffer */

/* Transparent bitblit registers */
#define TRANS_DST_KEY_HIGH	PAT_FGCOLOR
#define TRANS_DST_KEY_LOW	PAT_BGCOLOR
#define TRANS_SRC_KEY_HIGH	SRC_FGCOLOR
#define TRANS_SRC_KEY_LOW	SRC_BGCOLOR

/* Store queue length in par */
#define CmdQueLen ivideo->cmdqueuelength

/* ------------- SiS 300 series -------------- */

/* BR(16) (0x8240):

   bit 31 2D engine: 1 is idle,
   bit 30 3D engine: 1 is idle,
   bit 29 Command queue: 1 is empty
   bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]
   bits 15:0:  Current command queue length

*/

#define SiS300Idle \
  { \
  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
  	while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
  	CmdQueLen = MMIO_IN16(ivideo->mmio_vbase, 0x8240); \
  }
/* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */

#define SiS300SetupSRCBase(base) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(0), base);\
	CmdQueLen--;

#define SiS300SetupSRCPitch(pitch) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT16(ivideo->mmio_vbase, BR(1), pitch);\
	CmdQueLen--;

#define SiS300SetupSRCXY(x,y) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(2), (x)<<16 | (y) );\
	CmdQueLen--;

#define SiS300SetupDSTBase(base) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(4), base);\
	CmdQueLen--;

#define SiS300SetupDSTXY(x,y) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(3), (x)<<16 | (y) );\
	CmdQueLen--;

#define SiS300SetupDSTRect(x,y) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(5), (y)<<16 | (x) );\
	CmdQueLen--;

#define SiS300SetupDSTColorDepth(bpp) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT16(ivideo->mmio_vbase, BR(1)+2, bpp);\
	CmdQueLen--;

#define SiS300SetupRect(w,h) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(6), (h)<<16 | (w) );\
	CmdQueLen--;

#define SiS300SetupPATFG(color) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(7), color);\
	CmdQueLen--;

#define SiS300SetupPATBG(color) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(8), color);\
	CmdQueLen--;

#define SiS300SetupSRCFG(color) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(9), color);\
	CmdQueLen--;

#define SiS300SetupSRCBG(color) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(10), color);\
	CmdQueLen--;

/* 0x8224 src colorkey high */
/* 0x8228 src colorkey low */
/* 0x821c dest colorkey high */
/* 0x8220 dest colorkey low */
#define SiS300SetupSRCTrans(color) \
	if(CmdQueLen <= 1) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, 0x8224, color);\
	MMIO_OUT32(ivideo->mmio_vbase, 0x8228, color);\
	CmdQueLen -= 2;

#define SiS300SetupDSTTrans(color) \
	if(CmdQueLen <= 1) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, 0x821C, color); \
	MMIO_OUT32(ivideo->mmio_vbase, 0x8220, color); \
	CmdQueLen -= 2;

#define SiS300SetupMONOPAT(p0,p1) \
	if(CmdQueLen <= 1) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(11), p0);\
	MMIO_OUT32(ivideo->mmio_vbase, BR(12), p1);\
	CmdQueLen -= 2;

#define SiS300SetupClipLT(left,top) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\
	CmdQueLen--;

#define SiS300SetupClipRB(right,bottom) \
	if(CmdQueLen <= 0) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\
	CmdQueLen--;

/* General */
#define SiS300SetupROP(rop) \
	ivideo->CommandReg = (rop) << 8;

#define SiS300SetupCMDFlag(flags) \
	ivideo->CommandReg |= (flags);

#define SiS300DoCMD \
	if(CmdQueLen <= 1) SiS300Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, BR(15), ivideo->CommandReg); \
	MMIO_OUT32(ivideo->mmio_vbase, BR(16), 0);\
	CmdQueLen -= 2;

/* -------------- SiS 315/330 series --------------- */

/* Q_STATUS:
   bit 31 = 1: All engines idle and all queues empty
   bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty
   bit 29 = 1: 2D engine is idle
   bit 28 = 1: 3D engine is idle
   bit 27 = 1: HW command queue empty
   bit 26 = 1: 2D queue empty
   bit 25 = 1: 3D queue empty
   bit 24 = 1: SW command queue empty
   bits 23:16: 2D counter 3
   bits 15:8:  2D counter 2
   bits 7:0:   2D counter 1
*/

#define SiS310Idle \
  { \
  	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
  	while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
  	CmdQueLen = 0; \
  }

#define SiS310SetupSRCBase(base) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, SRC_ADDR, base);\
	CmdQueLen--;

#define SiS310SetupSRCPitch(pitch) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT16(ivideo->mmio_vbase, SRC_PITCH, pitch);\
	CmdQueLen--;

#define SiS310SetupSRCXY(x,y) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, SRC_Y, (x)<<16 | (y) );\
	CmdQueLen--;

#define SiS310SetupDSTBase(base) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, DST_ADDR, base);\
	CmdQueLen--;

#define SiS310SetupDSTXY(x,y) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, DST_Y, (x)<<16 | (y) );\
	CmdQueLen--;

#define SiS310SetupDSTRect(x,y) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, DST_PITCH, (y)<<16 | (x) );\
	CmdQueLen--;

#define SiS310SetupDSTColorDepth(bpp) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT16(ivideo->mmio_vbase, AGP_BASE, bpp);\
	CmdQueLen--;

#define SiS310SetupRect(w,h) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\
	CmdQueLen--;

#define SiS310SetupPATFG(color) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, PAT_FGCOLOR, color);\
	CmdQueLen--;

#define SiS310SetupPATBG(color) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, PAT_BGCOLOR, color);\
	CmdQueLen--;

#define SiS310SetupSRCFG(color) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, SRC_FGCOLOR, color);\
	CmdQueLen--;

#define SiS310SetupSRCBG(color) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, SRC_BGCOLOR, color);\
	CmdQueLen--;

#define SiS310SetupSRCTrans(color) \
	if(CmdQueLen <= 1) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_HIGH, color);\
	MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_LOW, color);\
	CmdQueLen -= 2;

#define SiS310SetupDSTTrans(color) \
	if(CmdQueLen <= 1) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_HIGH, color); \
	MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_LOW, color); \
	CmdQueLen -= 2;

#define SiS310SetupMONOPAT(p0,p1) \
	if(CmdQueLen <= 1) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK, p0);\
	MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK+4, p1);\
	CmdQueLen -= 2;

#define SiS310SetupClipLT(left,top) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\
	CmdQueLen--;

#define SiS310SetupClipRB(right,bottom) \
	if(CmdQueLen <= 0) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\
	CmdQueLen--;

#define SiS310SetupROP(rop) \
	ivideo->CommandReg = (rop) << 8;

#define SiS310SetupCMDFlag(flags) \
	ivideo->CommandReg |= (flags);

#define SiS310DoCMD \
	if(CmdQueLen <= 1) SiS310Idle;\
	MMIO_OUT32(ivideo->mmio_vbase, COMMAND_READY, ivideo->CommandReg); \
	MMIO_OUT32(ivideo->mmio_vbase, FIRE_TRIGGER, 0); \
	CmdQueLen -= 2;


int  sisfb_initaccel(struct sis_video_info *ivideo);
void sisfb_syncaccel(struct sis_video_info *ivideo);

#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33)
void fbcon_sis_bmove(struct display *p, int srcy, int srcx, int dsty,
			int dstx, int height, int width);
void fbcon_sis_revc(struct display *p, int srcy, int srcx);
void fbcon_sis_clear8(struct vc_data *conp, struct display *p, int srcy,
			int srcx, int height, int width);
void fbcon_sis_clear16(struct vc_data *conp, struct display *p, int srcy,
			int srcx, int height, int width);
void fbcon_sis_clear32(struct vc_data *conp, struct display *p, int srcy,
			int srcx, int height, int width);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area);
#endif

#endif