grf_cvreg.h revision 1.10.26.1 1 /* $NetBSD: grf_cvreg.h,v 1.10.26.1 2007/03/12 05:46:40 rmind Exp $ */
2
3 /*
4 * Copyright (c) 1995 Michael Teske
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Ezra Story, by Kari
18 * Mettinen and by Bernd Ernesti.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifndef _GRF_CVREG_H
35 #define _GRF_CVREG_H
36
37 /*
38 * This is derived from ciruss driver source
39 */
40
41 /* Extension to grfvideo_mode to support text modes.
42 * This can be passed to both text & gfx functions
43 * without worry. If gv.depth == 4, then the extended
44 * fields for a text mode are present.
45 */
46
47 struct grfcvtext_mode {
48 struct grfvideo_mode gv;
49 unsigned short fx; /* font x dimension */
50 unsigned short fy; /* font y dimension */
51 unsigned short cols; /* screen dimensions */
52 unsigned short rows;
53 void *fdata; /* font data */
54 unsigned short fdstart;
55 unsigned short fdend;
56 };
57
58 /* maximum console size */
59 #define MAXROWS 200
60 #define MAXCOLS 200
61
62 /* read VGA register */
63 #define vgar(ba, reg) (*(((volatile char *)ba)+reg))
64
65 /* write VGA register */
66 #define vgaw(ba, reg, val) \
67 *(((volatile char *)ba)+reg) = ((val) & 0xff)
68
69
70 /* read 32 Bit VGA register */
71 #define vgar32(ba, reg) \
72 ( *((volatile unsigned long *) (((volatile char *)ba)+reg)) )
73
74 /* write 32 Bit VGA register */
75 #define vgaw32(ba, reg, val) \
76 *((unsigned long *) (((volatile char *)ba)+reg)) = val
77
78 /* read 16 Bit VGA register */
79 #define vgar16(ba, reg) \
80 ( *((volatile unsigned short *) (((volatile char *)ba)+reg)) )
81
82 /* write 16 Bit VGA register */
83 #define vgaw16(ba, reg, val) \
84 *((volatile unsigned short *) (((volatile char *)ba)+reg)) = val
85
86 int grfcv_cnprobe(void);
87 void grfcv_iteinit(struct grf_softc *);
88 static inline void GfxBusyWait(volatile void *);
89 static inline void GfxFifoWait(volatile void *);
90 static inline unsigned char RAttr(volatile void *, short);
91 static inline unsigned char RSeq(volatile void *, short);
92 static inline unsigned char RCrt(volatile void *, short);
93 static inline unsigned char RGfx(volatile void *, short);
94
95
96 /*
97 * defines for the used register addresses (mw)
98 *
99 * NOTE: there are some registers that have different addresses when
100 * in mono or color mode. We only support color mode, and thus
101 * some addresses won't work in mono-mode!
102 *
103 * General and VGA-registers taken from retina driver. Fixed a few
104 * bugs in it. (SR and GR read address is Port + 1, NOT Port)
105 *
106 */
107
108 /* General Registers: */
109 #define GREG_MISC_OUTPUT_R 0x03CC
110 #define GREG_MISC_OUTPUT_W 0x03C2
111 #define GREG_FEATURE_CONTROL_R 0x03CA
112 #define GREG_FEATURE_CONTROL_W 0x03DA
113 #define GREG_INPUT_STATUS0_R 0x03C2
114 #define GREG_INPUT_STATUS1_R 0x03DA
115
116 /* Setup Registers: */
117 #define SREG_OPTION_SELECT 0x0102
118 #define SREG_VIDEO_SUBS_ENABLE 0x46E8
119
120 /* Attribute Controller: */
121 #define ACT_ADDRESS 0x03C0
122 #define ACT_ADDRESS_R 0x03C1
123 #define ACT_ADDRESS_W 0x03C0
124 #define ACT_ADDRESS_RESET 0x03DA
125 #define ACT_ID_PALETTE0 0x00
126 #define ACT_ID_PALETTE1 0x01
127 #define ACT_ID_PALETTE2 0x02
128 #define ACT_ID_PALETTE3 0x03
129 #define ACT_ID_PALETTE4 0x04
130 #define ACT_ID_PALETTE5 0x05
131 #define ACT_ID_PALETTE6 0x06
132 #define ACT_ID_PALETTE7 0x07
133 #define ACT_ID_PALETTE8 0x08
134 #define ACT_ID_PALETTE9 0x09
135 #define ACT_ID_PALETTE10 0x0A
136 #define ACT_ID_PALETTE11 0x0B
137 #define ACT_ID_PALETTE12 0x0C
138 #define ACT_ID_PALETTE13 0x0D
139 #define ACT_ID_PALETTE14 0x0E
140 #define ACT_ID_PALETTE15 0x0F
141 #define ACT_ID_ATTR_MODE_CNTL 0x10
142 #define ACT_ID_OVERSCAN_COLOR 0x11
143 #define ACT_ID_COLOR_PLANE_ENA 0x12
144 #define ACT_ID_HOR_PEL_PANNING 0x13
145 #define ACT_ID_COLOR_SELECT 0x14
146
147 /* Graphics Controller: */
148 #define GCT_ADDRESS 0x03CE
149 #define GCT_ADDRESS_R 0x03CF
150 #define GCT_ADDRESS_W 0x03CF
151 #define GCT_ID_SET_RESET 0x00
152 #define GCT_ID_ENABLE_SET_RESET 0x01
153 #define GCT_ID_COLOR_COMPARE 0x02
154 #define GCT_ID_DATA_ROTATE 0x03
155 #define GCT_ID_READ_MAP_SELECT 0x04
156 #define GCT_ID_GRAPHICS_MODE 0x05
157 #define GCT_ID_MISC 0x06
158 #define GCT_ID_COLOR_XCARE 0x07
159 #define GCT_ID_BITMASK 0x08
160
161 /* Sequencer: */
162 #define SEQ_ADDRESS 0x03C4
163 #define SEQ_ADDRESS_R 0x03C5
164 #define SEQ_ADDRESS_W 0x03C5
165 #define SEQ_ID_RESET 0x00
166 #define SEQ_ID_CLOCKING_MODE 0x01
167 #define SEQ_ID_MAP_MASK 0x02
168 #define SEQ_ID_CHAR_MAP_SELECT 0x03
169 #define SEQ_ID_MEMORY_MODE 0x04
170 #define SEQ_ID_UNKNOWN1 0x05
171 #define SEQ_ID_UNKNOWN2 0x06
172 #define SEQ_ID_UNKNOWN3 0x07
173 /* S3 extensions */
174 #define SEQ_ID_UNLOCK_EXT 0x08
175 #define SEQ_ID_EXT_SEQ_REG9 0x09
176 #define SEQ_ID_BUS_REQ_CNTL 0x0A
177 #define SEQ_ID_EXT_MISC_SEQ 0x0B
178 #define SEQ_ID_UNKNOWN4 0x0C
179 #define SEQ_ID_EXT_SEQ 0x0D
180 #define SEQ_ID_UNKNOWN5 0x0E
181 #define SEQ_ID_UNKNOWN6 0x0F
182 #define SEQ_ID_MCLK_LO 0x10
183 #define SEQ_ID_MCLK_HI 0x11
184 #define SEQ_ID_DCLK_LO 0x12
185 #define SEQ_ID_DCLK_HI 0x13
186 #define SEQ_ID_CLKSYN_CNTL_1 0x14
187 #define SEQ_ID_CLKSYN_CNTL_2 0x15
188 #define SEQ_ID_CLKSYN_TEST_HI 0x16 /* reserved for S3 testing of the */
189 #define SEQ_ID_CLKSYN_TEST_LO 0x17 /* internal clock synthesizer */
190 #define SEQ_ID_RAMDAC_CNTL 0x18
191 #define SEQ_ID_MORE_MAGIC 0x1A
192
193 /* CRT Controller: */
194 #define CRT_ADDRESS 0x03D4
195 #define CRT_ADDRESS_R 0x03D5
196 #define CRT_ADDRESS_W 0x03D5
197 #define CRT_ID_HOR_TOTAL 0x00
198 #define CRT_ID_HOR_DISP_ENA_END 0x01
199 #define CRT_ID_START_HOR_BLANK 0x02
200 #define CRT_ID_END_HOR_BLANK 0x03
201 #define CRT_ID_START_HOR_RETR 0x04
202 #define CRT_ID_END_HOR_RETR 0x05
203 #define CRT_ID_VER_TOTAL 0x06
204 #define CRT_ID_OVERFLOW 0x07
205 #define CRT_ID_PRESET_ROW_SCAN 0x08
206 #define CRT_ID_MAX_SCAN_LINE 0x09
207 #define CRT_ID_CURSOR_START 0x0A
208 #define CRT_ID_CURSOR_END 0x0B
209 #define CRT_ID_START_ADDR_HIGH 0x0C
210 #define CRT_ID_START_ADDR_LOW 0x0D
211 #define CRT_ID_CURSOR_LOC_HIGH 0x0E
212 #define CRT_ID_CURSOR_LOC_LOW 0x0F
213 #define CRT_ID_START_VER_RETR 0x10
214 #define CRT_ID_END_VER_RETR 0x11
215 #define CRT_ID_VER_DISP_ENA_END 0x12
216 #define CRT_ID_SCREEN_OFFSET 0x13
217 #define CRT_ID_UNDERLINE_LOC 0x14
218 #define CRT_ID_START_VER_BLANK 0x15
219 #define CRT_ID_END_VER_BLANK 0x16
220 #define CRT_ID_MODE_CONTROL 0x17
221 #define CRT_ID_LINE_COMPARE 0x18
222 #define CRT_ID_GD_LATCH_RBACK 0x22
223 #define CRT_ID_ACT_TOGGLE_RBACK 0x24
224 #define CRT_ID_ACT_INDEX_RBACK 0x26
225 /* S3 extensions: S3 VGA Registers */
226 #define CRT_ID_DEVICE_HIGH 0x2D
227 #define CRT_ID_DEVICE_LOW 0x2E
228 #define CRT_ID_REVISION 0x2F
229 #define CRT_ID_CHIP_ID_REV 0x30
230 #define CRT_ID_MEMORY_CONF 0x31
231 #define CRT_ID_BACKWAD_COMP_1 0x32
232 #define CRT_ID_BACKWAD_COMP_2 0x33
233 #define CRT_ID_BACKWAD_COMP_3 0x34
234 #define CRT_ID_REGISTER_LOCK 0x35
235 #define CRT_ID_CONFIG_1 0x36
236 #define CRT_ID_CONFIG_2 0x37
237 #define CRT_ID_REGISTER_LOCK_1 0x38
238 #define CRT_ID_REGISTER_LOCK_2 0x39
239 #define CRT_ID_MISC_1 0x3A
240 #define CRT_ID_DISPLAY_FIFO 0x3B
241 #define CRT_ID_LACE_RETR_START 0x3C
242 /* S3 extensions: System Control Registers */
243 #define CRT_ID_SYSTEM_CONFIG 0x40
244 #define CRT_ID_BIOS_FLAG 0x41
245 #define CRT_ID_LACE_CONTROL 0x42
246 #define CRT_ID_EXT_MODE 0x43
247 #define CRT_ID_HWGC_MODE 0x45 /* HWGC = Hardware Graphics Cursor */
248 #define CRT_ID_HWGC_ORIGIN_X_HI 0x46
249 #define CRT_ID_HWGC_ORIGIN_X_LO 0x47
250 #define CRT_ID_HWGC_ORIGIN_Y_HI 0x48
251 #define CRT_ID_HWGC_ORIGIN_Y_LO 0x49
252 #define CRT_ID_HWGC_FG_STACK 0x4A
253 #define CRT_ID_HWGC_BG_STACK 0x4B
254 #define CRT_ID_HWGC_START_AD_HI 0x4C
255 #define CRT_ID_HWGC_START_AD_LO 0x4D
256 #define CRT_ID_HWGC_DSTART_X 0x4E
257 #define CRT_ID_HWGC_DSTART_Y 0x4F
258 /* S3 extensions: System Extension Registers */
259 #define CRT_ID_EXT_SYS_CNTL_1 0x50
260 #define CRT_ID_EXT_SYS_CNTL_2 0x51
261 #define CRT_ID_EXT_BIOS_FLAG_1 0x52
262 #define CRT_ID_EXT_MEM_CNTL_1 0x53
263 #define CRT_ID_EXT_MEM_CNTL_2 0x54
264 #define CRT_ID_EXT_DAC_CNTL 0x55
265 #define CRT_ID_EX_SYNC_1 0x56
266 #define CRT_ID_EX_SYNC_2 0x57
267 #define CRT_ID_LAW_CNTL 0x58 /* LAW = Linear Address Window */
268 #define CRT_ID_LAW_POS_HI 0x59
269 #define CRT_ID_LAW_POS_LO 0x5A
270 #define CRT_ID_GOUT_PORT 0x5C
271 #define CRT_ID_EXT_HOR_OVF 0x5D
272 #define CRT_ID_EXT_VER_OVF 0x5E
273 #define CRT_ID_EXT_MEM_CNTL_3 0x60
274 #define CRT_ID_EX_SYNC_3 0x63
275 #define CRT_ID_EXT_MISC_CNTL 0x65
276 #define CRT_ID_EXT_MISC_CNTL_1 0x66
277 #define CRT_ID_EXT_MISC_CNTL_2 0x67
278 #define CRT_ID_CONFIG_3 0x68
279 #define CRT_ID_EXT_SYS_CNTL_3 0x69
280 #define CRT_ID_EXT_SYS_CNTL_4 0x6A
281 #define CRT_ID_EXT_BIOS_FLAG_3 0x6B
282 #define CRT_ID_EXT_BIOS_FLAG_4 0x6C
283
284 /* Enhanced Commands Registers: */
285 #define ECR_SUBSYSTEM_STAT 0x42E8
286 #define ECR_SUBSYSTEM_CNTL 0x42E8
287 #define ECR_ADV_FUNC_CNTL 0x4AE8
288 #define ECR_CURRENT_Y_POS 0x82E8
289 #define ECR_CURRENT_Y_POS2 0x82EA /* Trio64 only */
290 #define ECR_CURRENT_X_POS 0x86E8
291 #define ECR_CURRENT_X_POS2 0x86EA /* Trio64 only */
292 #define ECR_DEST_Y__AX_STEP 0x8AE8
293 #define ECR_DEST_Y2__AX_STEP2 0x8AEA /* Trio64 only */
294 #define ECR_DEST_X__DIA_STEP 0x8EE8
295 #define ECR_DEST_X2__DIA_STEP2 0x8EEA /* Trio64 only */
296 #define ECR_ERR_TERM 0x92E8
297 #define ECR_ERR_TERM2 0x92EA /* Trio64 only */
298 #define ECR_MAJ_AXIS_PIX_CNT 0x96E8
299 #define ECR_MAJ_AXIS_PIX_CNT2 0x96EA /* Trio64 only */
300 #define ECR_GP_STAT 0x9AE8 /* GP = Graphics Processor */
301 #define ECR_DRAW_CMD 0x9AE8
302 #define ECR_DRAW_CMD2 0x9AEA /* Trio64 only */
303 #define ECR_SHORT_STROKE 0x9EE8
304 #define ECR_BKGD_COLOR 0xA2E8 /* BKGD = Background */
305 #define ECR_FRGD_COLOR 0xA6E8 /* FRGD = Foreground */
306 #define ECR_BITPLANE_WRITE_MASK 0xAAE8
307 #define ECR_BITPLANE_READ_MASK 0xAEE8
308 #define ECR_COLOR_COMPARE 0xB2E8
309 #define ECR_BKGD_MIX 0xB6E8
310 #define ECR_FRGD_MIX 0xBAE8
311 #define ECR_READ_REG_DATA 0xBEE8
312 #define ECR_ID_MIN_AXIS_PIX_CNT 0x00
313 #define ECR_ID_SCISSORS_TOP 0x01
314 #define ECR_ID_SCISSORS_LEFT 0x02
315 #define ECR_ID_SCISSORS_BUTTOM 0x03
316 #define ECR_ID_SCISSORS_RIGHT 0x04
317 #define ECR_ID_PIX_CNTL 0x0A
318 #define ECR_ID_MULT_CNTL_MISC_2 0x0D
319 #define ECR_ID_MULT_CNTL_MISC 0x0E
320 #define ECR_ID_READ_SEL 0x0F
321 #define ECR_PIX_TRANS 0xE2E8
322 #define ECR_PIX_TRANS_EXT 0xE2EA
323 #define ECR_PATTERN_Y 0xEAE8 /* Trio64 only */
324 #define ECR_PATTERN_X 0xEAEA /* Trio64 only */
325
326
327 /* Pass-through */
328 #define PASS_ADDRESS 0x40001
329 #define PASS_ADDRESS_W 0x40001
330
331 /* Video DAC */
332 #define VDAC_ADDRESS 0x03c8
333 #define VDAC_ADDRESS_W 0x03c8
334 #define VDAC_ADDRESS_R 0x03c7
335 #define VDAC_STATE 0x03c7
336 #define VDAC_DATA 0x03c9
337 #define VDAC_MASK 0x03c6
338
339
340 #define WGfx(ba, idx, val) \
341 do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)
342
343 #define WSeq(ba, idx, val) \
344 do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)
345
346 #define WCrt(ba, idx, val) \
347 do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)
348
349 #define WAttr(ba, idx, val) \
350 do { \
351 unsigned char tmp;\
352 tmp = vgar(ba, ACT_ADDRESS_RESET);\
353 vgaw(ba, ACT_ADDRESS_W, idx);\
354 vgaw(ba, ACT_ADDRESS_W, val);\
355 } while (0)
356
357
358 #define SetTextPlane(ba, m) \
359 do { \
360 WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
361 WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
362 } while (0)
363
364
365 /* Gfx engine busy wait */
366
367 static inline void
368 GfxBusyWait (ba)
369 volatile void *ba;
370 {
371 int test;
372
373 do {
374 test = vgar16 (ba, ECR_GP_STAT);
375 __asm volatile ("nop");
376 } while (test & (1 << 9));
377 }
378
379
380 static inline void
381 GfxFifoWait(ba)
382 volatile void *ba;
383 {
384 int test;
385
386 do {
387 test = vgar16 (ba, ECR_GP_STAT);
388 } while (test & 0x0f);
389 }
390
391
392 /* Special wakeup/passthrough registers on graphics boards
393 *
394 * The methods have diverged a bit for each board, so
395 * WPass(P) has been converted into a set of specific
396 * inline functions.
397 */
398
399 static inline unsigned char
400 RAttr(ba, idx)
401 volatile void *ba;
402 short idx;
403 {
404
405 vgaw(ba, ACT_ADDRESS_W, idx);
406 delay(0);
407 return vgar(ba, ACT_ADDRESS_R);
408 }
409
410 static inline unsigned char
411 RSeq(ba, idx)
412 volatile void *ba;
413 short idx;
414 {
415 vgaw(ba, SEQ_ADDRESS, idx);
416 return vgar(ba, SEQ_ADDRESS_R);
417 }
418
419 static inline unsigned char
420 RCrt(ba, idx)
421 volatile void *ba;
422 short idx;
423 {
424 vgaw(ba, CRT_ADDRESS, idx);
425 return vgar(ba, CRT_ADDRESS_R);
426 }
427
428 static inline unsigned char
429 RGfx(ba, idx)
430 volatile void *ba;
431 short idx;
432 {
433 vgaw(ba, GCT_ADDRESS, idx);
434 return vgar(ba, GCT_ADDRESS_R);
435 }
436
437 #endif /* _GRF_RHREG_H */
438