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-rw-r--r--drivers/video/sis/sis_accel.h409
1 files changed, 409 insertions, 0 deletions
diff --git a/drivers/video/sis/sis_accel.h b/drivers/video/sis/sis_accel.h
new file mode 100644
index 000000000000..bb28f331d60d
--- /dev/null
+++ b/drivers/video/sis/sis_accel.h
@@ -0,0 +1,409 @@
1/*
2 * SiS 300/630/730/540/315/550/650/740 frame buffer driver
3 * for Linux kernels 2.4.x and 2.5.x
4 *
5 * 2D acceleration part
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the named License,
10 * or any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
20 *
21 * Based on the X driver's sis300_accel.h which is
22 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
23 * and sis310_accel.h which is
24 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
25 *
26 * Author: Thomas Winischhofer <thomas@winischhofer.net>:
27 * (see http://www.winischhofer.net/
28 * for more information and updates)
29 */
30
31#ifndef _SISFB_ACCEL_H
32#define _SISFB_ACCEL_H
33
34/* Guard accelerator accesses with spin_lock_irqsave? Works well without. */
35#undef SISFB_USE_SPINLOCKS
36
37#ifdef SISFB_USE_SPINLOCKS
38#include <linux/spinlock.h>
39#define CRITBEGIN spin_lock_irqsave(&ivideo->lockaccel, critflags);
40#define CRITEND spin_unlock_irqrestore(&ivideo->lockaccel, critflags);
41#define CRITFLAGS unsigned long critflags;
42#else
43#define CRITBEGIN
44#define CRITEND
45#define CRITFLAGS
46#endif
47
48/* Definitions for the SIS engine communication. */
49
50#define PATREGSIZE 384 /* Pattern register size. 384 bytes @ 0x8300 */
51#define BR(x) (0x8200 | (x) << 2)
52#define PBR(x) (0x8300 | (x) << 2)
53
54/* SiS300 engine commands */
55#define BITBLT 0x00000000 /* Blit */
56#define COLOREXP 0x00000001 /* Color expand */
57#define ENCOLOREXP 0x00000002 /* Enhanced color expand */
58#define MULTIPLE_SCANLINE 0x00000003 /* ? */
59#define LINE 0x00000004 /* Draw line */
60#define TRAPAZOID_FILL 0x00000005 /* Fill trapezoid */
61#define TRANSPARENT_BITBLT 0x00000006 /* Transparent Blit */
62
63/* Additional engine commands for 315 */
64#define ALPHA_BLEND 0x00000007 /* Alpha blend ? */
65#define A3D_FUNCTION 0x00000008 /* 3D command ? */
66#define CLEAR_Z_BUFFER 0x00000009 /* ? */
67#define GRADIENT_FILL 0x0000000A /* Gradient fill */
68
69/* source select */
70#define SRCVIDEO 0x00000000 /* source is video RAM */
71#define SRCSYSTEM 0x00000010 /* source is system memory */
72#define SRCCPUBLITBUF SRCSYSTEM /* source is CPU-driven BitBuffer (for color expand) */
73#define SRCAGP 0x00000020 /* source is AGP memory (?) */
74
75/* Pattern flags */
76#define PATFG 0x00000000 /* foreground color */
77#define PATPATREG 0x00000040 /* pattern in pattern buffer (0x8300) */
78#define PATMONO 0x00000080 /* mono pattern */
79
80/* blitting direction (300 series only) */
81#define X_INC 0x00010000
82#define X_DEC 0x00000000
83#define Y_INC 0x00020000
84#define Y_DEC 0x00000000
85
86/* Clipping flags */
87#define NOCLIP 0x00000000
88#define NOMERGECLIP 0x04000000
89#define CLIPENABLE 0x00040000
90#define CLIPWITHOUTMERGE 0x04040000
91
92/* Transparency */
93#define OPAQUE 0x00000000
94#define TRANSPARENT 0x00100000
95
96/* ? */
97#define DSTAGP 0x02000000
98#define DSTVIDEO 0x02000000
99
100/* Subfunctions for Color/Enhanced Color Expansion (315 only) */
101#define COLOR_TO_MONO 0x00100000
102#define AA_TEXT 0x00200000
103
104/* Some general registers for 315 series */
105#define SRC_ADDR 0x8200
106#define SRC_PITCH 0x8204
107#define AGP_BASE 0x8206 /* color-depth dependent value */
108#define SRC_Y 0x8208
109#define SRC_X 0x820A
110#define DST_Y 0x820C
111#define DST_X 0x820E
112#define DST_ADDR 0x8210
113#define DST_PITCH 0x8214
114#define DST_HEIGHT 0x8216
115#define RECT_WIDTH 0x8218
116#define RECT_HEIGHT 0x821A
117#define PAT_FGCOLOR 0x821C
118#define PAT_BGCOLOR 0x8220
119#define SRC_FGCOLOR 0x8224
120#define SRC_BGCOLOR 0x8228
121#define MONO_MASK 0x822C
122#define LEFT_CLIP 0x8234
123#define TOP_CLIP 0x8236
124#define RIGHT_CLIP 0x8238
125#define BOTTOM_CLIP 0x823A
126#define COMMAND_READY 0x823C
127#define FIRE_TRIGGER 0x8240
128
129#define PATTERN_REG 0x8300 /* 384 bytes pattern buffer */
130
131/* Transparent bitblit registers */
132#define TRANS_DST_KEY_HIGH PAT_FGCOLOR
133#define TRANS_DST_KEY_LOW PAT_BGCOLOR
134#define TRANS_SRC_KEY_HIGH SRC_FGCOLOR
135#define TRANS_SRC_KEY_LOW SRC_BGCOLOR
136
137/* Store queue length in par */
138#define CmdQueLen ivideo->cmdqueuelength
139
140/* ------------- SiS 300 series -------------- */
141
142/* BR(16) (0x8240):
143
144 bit 31 2D engine: 1 is idle,
145 bit 30 3D engine: 1 is idle,
146 bit 29 Command queue: 1 is empty
147 bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]
148 bits 15:0: Current command queue length
149
150*/
151
152#define SiS300Idle \
153 { \
154 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
155 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
156 while((MMIO_IN16(ivideo->mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
157 CmdQueLen = MMIO_IN16(ivideo->mmio_vbase, 0x8240); \
158 }
159/* (do three times, because 2D engine seems quite unsure about whether or not it's idle) */
160
161#define SiS300SetupSRCBase(base) \
162 if(CmdQueLen <= 0) SiS300Idle;\
163 MMIO_OUT32(ivideo->mmio_vbase, BR(0), base);\
164 CmdQueLen--;
165
166#define SiS300SetupSRCPitch(pitch) \
167 if(CmdQueLen <= 0) SiS300Idle;\
168 MMIO_OUT16(ivideo->mmio_vbase, BR(1), pitch);\
169 CmdQueLen--;
170
171#define SiS300SetupSRCXY(x,y) \
172 if(CmdQueLen <= 0) SiS300Idle;\
173 MMIO_OUT32(ivideo->mmio_vbase, BR(2), (x)<<16 | (y) );\
174 CmdQueLen--;
175
176#define SiS300SetupDSTBase(base) \
177 if(CmdQueLen <= 0) SiS300Idle;\
178 MMIO_OUT32(ivideo->mmio_vbase, BR(4), base);\
179 CmdQueLen--;
180
181#define SiS300SetupDSTXY(x,y) \
182 if(CmdQueLen <= 0) SiS300Idle;\
183 MMIO_OUT32(ivideo->mmio_vbase, BR(3), (x)<<16 | (y) );\
184 CmdQueLen--;
185
186#define SiS300SetupDSTRect(x,y) \
187 if(CmdQueLen <= 0) SiS300Idle;\
188 MMIO_OUT32(ivideo->mmio_vbase, BR(5), (y)<<16 | (x) );\
189 CmdQueLen--;
190
191#define SiS300SetupDSTColorDepth(bpp) \
192 if(CmdQueLen <= 0) SiS300Idle;\
193 MMIO_OUT16(ivideo->mmio_vbase, BR(1)+2, bpp);\
194 CmdQueLen--;
195
196#define SiS300SetupRect(w,h) \
197 if(CmdQueLen <= 0) SiS300Idle;\
198 MMIO_OUT32(ivideo->mmio_vbase, BR(6), (h)<<16 | (w) );\
199 CmdQueLen--;
200
201#define SiS300SetupPATFG(color) \
202 if(CmdQueLen <= 0) SiS300Idle;\
203 MMIO_OUT32(ivideo->mmio_vbase, BR(7), color);\
204 CmdQueLen--;
205
206#define SiS300SetupPATBG(color) \
207 if(CmdQueLen <= 0) SiS300Idle;\
208 MMIO_OUT32(ivideo->mmio_vbase, BR(8), color);\
209 CmdQueLen--;
210
211#define SiS300SetupSRCFG(color) \
212 if(CmdQueLen <= 0) SiS300Idle;\
213 MMIO_OUT32(ivideo->mmio_vbase, BR(9), color);\
214 CmdQueLen--;
215
216#define SiS300SetupSRCBG(color) \
217 if(CmdQueLen <= 0) SiS300Idle;\
218 MMIO_OUT32(ivideo->mmio_vbase, BR(10), color);\
219 CmdQueLen--;
220
221/* 0x8224 src colorkey high */
222/* 0x8228 src colorkey low */
223/* 0x821c dest colorkey high */
224/* 0x8220 dest colorkey low */
225#define SiS300SetupSRCTrans(color) \
226 if(CmdQueLen <= 1) SiS300Idle;\
227 MMIO_OUT32(ivideo->mmio_vbase, 0x8224, color);\
228 MMIO_OUT32(ivideo->mmio_vbase, 0x8228, color);\
229 CmdQueLen -= 2;
230
231#define SiS300SetupDSTTrans(color) \
232 if(CmdQueLen <= 1) SiS300Idle;\
233 MMIO_OUT32(ivideo->mmio_vbase, 0x821C, color); \
234 MMIO_OUT32(ivideo->mmio_vbase, 0x8220, color); \
235 CmdQueLen -= 2;
236
237#define SiS300SetupMONOPAT(p0,p1) \
238 if(CmdQueLen <= 1) SiS300Idle;\
239 MMIO_OUT32(ivideo->mmio_vbase, BR(11), p0);\
240 MMIO_OUT32(ivideo->mmio_vbase, BR(12), p1);\
241 CmdQueLen -= 2;
242
243#define SiS300SetupClipLT(left,top) \
244 if(CmdQueLen <= 0) SiS300Idle;\
245 MMIO_OUT32(ivideo->mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\
246 CmdQueLen--;
247
248#define SiS300SetupClipRB(right,bottom) \
249 if(CmdQueLen <= 0) SiS300Idle;\
250 MMIO_OUT32(ivideo->mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\
251 CmdQueLen--;
252
253/* General */
254#define SiS300SetupROP(rop) \
255 ivideo->CommandReg = (rop) << 8;
256
257#define SiS300SetupCMDFlag(flags) \
258 ivideo->CommandReg |= (flags);
259
260#define SiS300DoCMD \
261 if(CmdQueLen <= 1) SiS300Idle;\
262 MMIO_OUT32(ivideo->mmio_vbase, BR(15), ivideo->CommandReg); \
263 MMIO_OUT32(ivideo->mmio_vbase, BR(16), 0);\
264 CmdQueLen -= 2;
265
266/* -------------- SiS 315/330 series --------------- */
267
268/* Q_STATUS:
269 bit 31 = 1: All engines idle and all queues empty
270 bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty
271 bit 29 = 1: 2D engine is idle
272 bit 28 = 1: 3D engine is idle
273 bit 27 = 1: HW command queue empty
274 bit 26 = 1: 2D queue empty
275 bit 25 = 1: 3D queue empty
276 bit 24 = 1: SW command queue empty
277 bits 23:16: 2D counter 3
278 bits 15:8: 2D counter 2
279 bits 7:0: 2D counter 1
280*/
281
282#define SiS310Idle \
283 { \
284 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
285 while( (MMIO_IN16(ivideo->mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
286 CmdQueLen = 0; \
287 }
288
289#define SiS310SetupSRCBase(base) \
290 if(CmdQueLen <= 0) SiS310Idle;\
291 MMIO_OUT32(ivideo->mmio_vbase, SRC_ADDR, base);\
292 CmdQueLen--;
293
294#define SiS310SetupSRCPitch(pitch) \
295 if(CmdQueLen <= 0) SiS310Idle;\
296 MMIO_OUT16(ivideo->mmio_vbase, SRC_PITCH, pitch);\
297 CmdQueLen--;
298
299#define SiS310SetupSRCXY(x,y) \
300 if(CmdQueLen <= 0) SiS310Idle;\
301 MMIO_OUT32(ivideo->mmio_vbase, SRC_Y, (x)<<16 | (y) );\
302 CmdQueLen--;
303
304#define SiS310SetupDSTBase(base) \
305 if(CmdQueLen <= 0) SiS310Idle;\
306 MMIO_OUT32(ivideo->mmio_vbase, DST_ADDR, base);\
307 CmdQueLen--;
308
309#define SiS310SetupDSTXY(x,y) \
310 if(CmdQueLen <= 0) SiS310Idle;\
311 MMIO_OUT32(ivideo->mmio_vbase, DST_Y, (x)<<16 | (y) );\
312 CmdQueLen--;
313
314#define SiS310SetupDSTRect(x,y) \
315 if(CmdQueLen <= 0) SiS310Idle;\
316 MMIO_OUT32(ivideo->mmio_vbase, DST_PITCH, (y)<<16 | (x) );\
317 CmdQueLen--;
318
319#define SiS310SetupDSTColorDepth(bpp) \
320 if(CmdQueLen <= 0) SiS310Idle;\
321 MMIO_OUT16(ivideo->mmio_vbase, AGP_BASE, bpp);\
322 CmdQueLen--;
323
324#define SiS310SetupRect(w,h) \
325 if(CmdQueLen <= 0) SiS310Idle;\
326 MMIO_OUT32(ivideo->mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\
327 CmdQueLen--;
328
329#define SiS310SetupPATFG(color) \
330 if(CmdQueLen <= 0) SiS310Idle;\
331 MMIO_OUT32(ivideo->mmio_vbase, PAT_FGCOLOR, color);\
332 CmdQueLen--;
333
334#define SiS310SetupPATBG(color) \
335 if(CmdQueLen <= 0) SiS310Idle;\
336 MMIO_OUT32(ivideo->mmio_vbase, PAT_BGCOLOR, color);\
337 CmdQueLen--;
338
339#define SiS310SetupSRCFG(color) \
340 if(CmdQueLen <= 0) SiS310Idle;\
341 MMIO_OUT32(ivideo->mmio_vbase, SRC_FGCOLOR, color);\
342 CmdQueLen--;
343
344#define SiS310SetupSRCBG(color) \
345 if(CmdQueLen <= 0) SiS310Idle;\
346 MMIO_OUT32(ivideo->mmio_vbase, SRC_BGCOLOR, color);\
347 CmdQueLen--;
348
349#define SiS310SetupSRCTrans(color) \
350 if(CmdQueLen <= 1) SiS310Idle;\
351 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_HIGH, color);\
352 MMIO_OUT32(ivideo->mmio_vbase, TRANS_SRC_KEY_LOW, color);\
353 CmdQueLen -= 2;
354
355#define SiS310SetupDSTTrans(color) \
356 if(CmdQueLen <= 1) SiS310Idle;\
357 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_HIGH, color); \
358 MMIO_OUT32(ivideo->mmio_vbase, TRANS_DST_KEY_LOW, color); \
359 CmdQueLen -= 2;
360
361#define SiS310SetupMONOPAT(p0,p1) \
362 if(CmdQueLen <= 1) SiS310Idle;\
363 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK, p0);\
364 MMIO_OUT32(ivideo->mmio_vbase, MONO_MASK+4, p1);\
365 CmdQueLen -= 2;
366
367#define SiS310SetupClipLT(left,top) \
368 if(CmdQueLen <= 0) SiS310Idle;\
369 MMIO_OUT32(ivideo->mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\
370 CmdQueLen--;
371
372#define SiS310SetupClipRB(right,bottom) \
373 if(CmdQueLen <= 0) SiS310Idle;\
374 MMIO_OUT32(ivideo->mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\
375 CmdQueLen--;
376
377#define SiS310SetupROP(rop) \
378 ivideo->CommandReg = (rop) << 8;
379
380#define SiS310SetupCMDFlag(flags) \
381 ivideo->CommandReg |= (flags);
382
383#define SiS310DoCMD \
384 if(CmdQueLen <= 1) SiS310Idle;\
385 MMIO_OUT32(ivideo->mmio_vbase, COMMAND_READY, ivideo->CommandReg); \
386 MMIO_OUT32(ivideo->mmio_vbase, FIRE_TRIGGER, 0); \
387 CmdQueLen -= 2;
388
389
390int sisfb_initaccel(struct sis_video_info *ivideo);
391void sisfb_syncaccel(struct sis_video_info *ivideo);
392
393#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33)
394void fbcon_sis_bmove(struct display *p, int srcy, int srcx, int dsty,
395 int dstx, int height, int width);
396void fbcon_sis_revc(struct display *p, int srcy, int srcx);
397void fbcon_sis_clear8(struct vc_data *conp, struct display *p, int srcy,
398 int srcx, int height, int width);
399void fbcon_sis_clear16(struct vc_data *conp, struct display *p, int srcy,
400 int srcx, int height, int width);
401void fbcon_sis_clear32(struct vc_data *conp, struct display *p, int srcy,
402 int srcx, int height, int width);
403#endif
404#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
405void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
406void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area);
407#endif
408
409#endif