grf_clreg.h revision 1.3 1 /* $NetBSD: grf_clreg.h,v 1.3 1996/04/21 21:11:13 veego Exp $ */
2
3 /*
4 * Copyright (c) 1995 Ezra Story
5 * Copyright (c) 1995 Kari Mettinen
6 * Copyright (c) 1994 Markus Wild
7 * Copyright (c) 1994 Lutz Vieweg
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Lutz Vieweg.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #ifndef _GRF_CLREG_H
37 #define _GRF_CLREG_H
38
39 /*
40 * Written & Copyright by Kari Mettinen, Ezra Story.
41 *
42 * This is derived from retina driver source
43 */
44
45 /* Extension to grfvideo_mode to support text modes.
46 * This can be passed to both text & gfx functions
47 * without worry. If gv.depth == 4, then the extended
48 * fields for a text mode are present.
49 */
50 struct grfcltext_mode {
51 struct grfvideo_mode gv;
52 unsigned short fx; /* font x dimension */
53 unsigned short fy; /* font y dimension */
54 unsigned short cols; /* screen dimensions */
55 unsigned short rows;
56 void *fdata; /* font data */
57 unsigned short fdstart;
58 unsigned short fdend;
59 };
60
61
62 /* 5426 boards types, stored in cltype in grf_cl.c .
63 * used to decide how to handle SR7 and Pass-through
64 */
65
66 #define PICASSO 2167
67 #define SPECTRUM 2193
68 #define PICCOLO 2195
69
70 /* read VGA register */
71 #define vgar(ba, reg) (*(((volatile unsigned char *)ba)+reg))
72
73 /* write VGA register */
74 #define vgaw(ba, reg, val) \
75 *(((volatile unsigned char *)ba)+reg) = ((val) & 0xff)
76
77 /*
78 * defines for the used register addresses (mw)
79 *
80 * NOTE: there are some registers that have different addresses when
81 * in mono or color mode. We only support color mode, and thus
82 * some addresses won't work in mono-mode!
83 *
84 * General and VGA-registers taken from retina driver. Fixed a few
85 * bugs in it. (SR and GR read address is Port + 1, NOT Port)
86 *
87 */
88
89
90
91
92 /* General Registers: */
93 #define GREG_STATUS0_R 0x03C2
94 #define GREG_STATUS1_R 0x03DA
95 #define GREG_MISC_OUTPUT_R 0x03CC
96 #define GREG_MISC_OUTPUT_W 0x03C2
97 #define GREG_FEATURE_CONTROL_R 0x03CA
98 #define GREG_FEATURE_CONTROL_W 0x03DA
99 #define GREG_POS 0x0102
100
101 /* Attribute Controller: */
102 #define ACT_ADDRESS 0x03C0
103 #define ACT_ADDRESS_R 0x03C1
104 #define ACT_ADDRESS_W 0x03C0
105 #define ACT_ADDRESS_RESET 0x03DA
106 #define ACT_ID_PALETTE0 0x00
107 #define ACT_ID_PALETTE1 0x01
108 #define ACT_ID_PALETTE2 0x02
109 #define ACT_ID_PALETTE3 0x03
110 #define ACT_ID_PALETTE4 0x04
111 #define ACT_ID_PALETTE5 0x05
112 #define ACT_ID_PALETTE6 0x06
113 #define ACT_ID_PALETTE7 0x07
114 #define ACT_ID_PALETTE8 0x08
115 #define ACT_ID_PALETTE9 0x09
116 #define ACT_ID_PALETTE10 0x0A
117 #define ACT_ID_PALETTE11 0x0B
118 #define ACT_ID_PALETTE12 0x0C
119 #define ACT_ID_PALETTE13 0x0D
120 #define ACT_ID_PALETTE14 0x0E
121 #define ACT_ID_PALETTE15 0x0F
122 #define ACT_ID_ATTR_MODE_CNTL 0x10
123 #define ACT_ID_OVERSCAN_COLOR 0x11
124 #define ACT_ID_COLOR_PLANE_ENA 0x12
125 #define ACT_ID_HOR_PEL_PANNING 0x13
126 #define ACT_ID_COLOR_SELECT 0x14
127
128 /* Graphics Controller: */
129 #define GCT_ADDRESS 0x03CE
130 #define GCT_ADDRESS_R 0x03CF
131 #define GCT_ADDRESS_W 0x03CF
132 #define GCT_ID_SET_RESET 0x00
133 #define GCT_WR5_BG_EXT 0x00
134 #define GCT_ID_ENABLE_SET_RESET 0x01
135 #define GCT_ID_WR45_FG_EXT 0x01
136 #define GCT_ID_COLOR_COMPARE 0x02
137 #define GCT_ID_DATA_ROTATE 0x03
138 #define GCT_ID_READ_MAP_SELECT 0x04
139 #define GCT_ID_GRAPHICS_MODE 0x05
140 #define GCT_ID_MISC 0x06
141 #define GCT_ID_COLOR_XCARE 0x07
142 #define GCT_ID_BITMASK 0x08
143 #define GCT_ID_OFFSET_0 0x09
144 #define GCT_ID_OFFSET_1 0x0A
145 #define GCT_ID_MODE_EXT 0x0B
146 #define GCT_ID_COLOR_KEY 0x0C
147 #define GCT_ID_COLOR_KEY_MASK 0x0D
148 #define GCT_ID_MISC_CNTL 0x0E
149 #define GCT_ID_16BIT_BG_HIGH 0x10
150 #define GCT_ID_16BIT_FG_HIGH 0x11
151 #define GCT_ID_BLT_WIDTH_LOW 0x20
152 #define GCT_ID_BLT_WIDTH_HIGH 0x21
153 #define GCT_ID_BLT_HEIGHT_LOW 0x22
154 #define GCT_ID_BLT_HEIGHT_HIGH 0x23
155 #define GCT_ID_DST_PITCH_LOW 0x24
156 #define GCT_ID_DST_PITCH_HIGH 0x25
157 #define GCT_ID_SRC_PITCH_LOW 0x26
158 #define GCT_ID_SRC_PITCH_HIGH 0x27
159 #define GCT_ID_DST_START_LOW 0x28
160 #define GCT_ID_DST_START_MID 0x29
161 #define GCT_ID_DST_START_HIGH 0x2A
162 #define GCT_ID_SRC_START_LOW 0x2C
163 #define GCT_ID_SRC_START_MID 0x2D
164 #define GCT_ID_SRC_START_HIGH 0x2E
165 #define GCT_ID_BLT_MODE 0x30
166 #define GCT_ID_BLT_STAT_START 0x31
167 #define GCT_ID_BLT_ROP 0x32
168 #define GCT_ID_TRP_COL_LOW 0x34 /* transparent color */
169 #define GCT_ID_TRP_COL_HIGH 0x35
170 #define GCT_ID_TRP_MASK_LOW 0x38
171 #define GCT_ID_TRP_MASK_HIGH 0x39
172
173
174 /* Sequencer: */
175 #define SEQ_ADDRESS 0x03C4
176 #define SEQ_ADDRESS_R 0x03C5
177 #define SEQ_ADDRESS_W 0x03C5
178 #define SEQ_ID_RESET 0x00
179 #define SEQ_ID_CLOCKING_MODE 0x01
180 #define SEQ_ID_MAP_MASK 0x02
181 #define SEQ_ID_CHAR_MAP_SELECT 0x03
182
183 #define TEXT_PLANE_CHAR 0x01
184 #define TEXT_PLANE_ATTR 0x02
185 #define TEXT_PLANE_FONT 0x04
186
187 #define SEQ_ID_MEMORY_MODE 0x04
188 #define SEQ_ID_UNLOCK_EXT 0x06 /* down from here, all seq registers are Cirrus extensions */
189 #define SEQ_ID_EXT_SEQ_MODE 0x07
190 #define SEQ_ID_EEPROM_CNTL 0x08
191 #define SEQ_ID_SCRATCH_0 0x09
192 #define SEQ_ID_SCRATCH_1 0x0A
193 #define SEQ_ID_VCLK_0_NUM 0x0B
194 #define SEQ_ID_VCLK_1_NUM 0x0C
195 #define SEQ_ID_VCLK_2_NUM 0x0D
196 #define SEQ_ID_VCLK_3_NUM 0x0E
197 #define SEQ_ID_DRAM_CNTL 0x0F
198 #define SEQ_ID_CURSOR_X 0x10 /* Cursor position can't be set with WSeq
199 */
200 #define SEQ_ID_CURSOR_Y 0x11
201 #define SEQ_ID_CURSOR_ATTR 0x12
202 #define SEQ_ID_CURSOR_STORE 0x13
203 #define SEQ_ID_SCRATCH_2 0x14
204 #define SEQ_ID_SCRATCH_3 0x15
205 #define SEQ_ID_PERF_TUNE 0x16
206 #define SEQ_ID_CONF_RBACK 0x17
207 #define SEQ_ID_SIG_CNTL 0x18
208 #define SEQ_ID_SIG_RES_LOW 0x19
209 #define SEQ_ID_SIG_RES_HIGH 0x1A
210 #define SEQ_ID_VCLK_0_DENOM 0x1B
211 #define SEQ_ID_VCLK_1_DENOM 0x1C
212 #define SEQ_ID_VCLK_2_DENOM 0x1D
213 #define SEQ_ID_VCLK_3_DENOM 0x1E
214 #define SEQ_ID_MCLK_SELECT 0x1F
215
216 /* CRT Controller: */
217 #define CRT_ADDRESS 0x03D4
218 #define CRT_ADDRESS_R 0x03D5
219 #define CRT_ADDRESS_W 0x03D5
220 #define CRT_ID_HOR_TOTAL 0x00
221 #define CRT_ID_HOR_DISP_ENA_END 0x01
222 #define CRT_ID_START_HOR_BLANK 0x02
223 #define CRT_ID_END_HOR_BLANK 0x03
224 #define CRT_ID_START_HOR_RETR 0x04
225 #define CRT_ID_END_HOR_RETR 0x05
226 #define CRT_ID_VER_TOTAL 0x06
227 #define CRT_ID_OVERFLOW 0x07
228 #define CRT_ID_PRESET_ROW_SCAN 0x08
229 #define CRT_ID_CHAR_HEIGHT 0x09 /* was MAX_SCANLINES on retina, weird, eh? */
230 #define CRT_ID_CURSOR_START 0x0A
231 #define CRT_ID_CURSOR_END 0x0B
232 #define CRT_ID_START_ADDR_HIGH 0x0C
233 #define CRT_ID_START_ADDR_LOW 0x0D
234 #define CRT_ID_CURSOR_LOC_HIGH 0x0E
235 #define CRT_ID_CURSOR_LOC_LOW 0x0F
236 #define CRT_ID_START_VER_RETR 0x10
237 #define CRT_ID_END_VER_RETR 0x11
238 #define CRT_ID_VER_DISP_ENA_END 0x12
239 #define CRT_ID_OFFSET 0x13
240 #define CRT_ID_UNDERLINE_LOC 0x14
241 #define CRT_ID_START_VER_BLANK 0x15
242 #define CRT_ID_END_VER_BLANK 0x16
243 #define CRT_ID_MODE_CONTROL 0x17
244 #define CRT_ID_LINE_COMPARE 0x18
245 #define CRT_ID_LACE_END 0x19
246 #define CRT_ID_LACE_CNTL 0x1A
247 #define CRT_ID_EXT_DISP_CNTL 0x1B
248
249 #define CRT_ID_GD_LATCH_RBACK 0x22
250
251 #define CRT_ID_ACT_TOGGLE_RBACK 0x24
252 #define CRT_ID_ACT_INDEX_RBACK 0x26
253
254 /* Pass-through */
255 #define PASS_ADDRESS 0x8000
256 #define PASS_ADDRESS_W 0x8000
257 /* Special Picasso Address */
258 #define PASS_ADDRESS_WP 0x9000
259
260 /* Video DAC */
261 #define VDAC_ADDRESS 0x03c8
262 #define VDAC_ADDRESS_W 0x03c8
263 #define VDAC_ADDRESS_R ((cltype==PICASSO)?0x03c7+0xfff:0x3c7)
264 #define VDAC_STATE 0x03c7
265 #define VDAC_DATA ((cltype==PICASSO)?0x03c9+0xfff:0x3c9)
266 #define VDAC_MASK 0x03c6
267 #define HDR 0x03c6 /* Hidden DAC register, 4 reads to access */
268
269
270 #define WGfx(ba, idx, val) \
271 do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)
272
273 #define WSeq(ba, idx, val) \
274 do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)
275
276 #define WCrt(ba, idx, val) \
277 do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)
278
279 #define WAttr(ba, idx, val) \
280 do { \
281 vgar(ba, ACT_ADDRESS_RESET);\
282 vgaw(ba, ACT_ADDRESS_W, idx);\
283 vgaw(ba, ACT_ADDRESS_W, val);\
284 } while (0)
285
286 #define SetTextPlane(ba, m) \
287 do { \
288 WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\
289 WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\
290 } while (0)
291
292 /* Special wakeup/passthrough registers on graphics boards
293 *
294 * The methods have diverged a bit for each board, so
295 * WPass(P) has been converted into a set of specific
296 * inline functions.
297 */
298 static inline void RegWakeup(volatile void *ba) {
299 extern int cltype;
300
301 switch (cltype) {
302 case SPECTRUM:
303 vgaw(ba, PASS_ADDRESS_W, 0x1f);
304 break;
305 case PICASSO:
306 vgaw(ba, PASS_ADDRESS_W, 0xff);
307 break;
308 case PICCOLO:
309 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x10);
310 break;
311 }
312 delay(200000);
313 }
314 static inline void RegOnpass(volatile void *ba) {
315 extern int cltype;
316 extern unsigned char pass_toggle;
317
318 switch (cltype) {
319 case SPECTRUM:
320 vgaw(ba, PASS_ADDRESS_W, 0x4f);
321 break;
322 case PICASSO:
323 vgaw(ba, PASS_ADDRESS_WP, 0x01);
324 break;
325 case PICCOLO:
326 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) & 0xdf);
327 break;
328 }
329 pass_toggle = 1;
330 delay(200000);
331 }
332 static inline void RegOffpass(volatile void *ba) {
333 extern int cltype;
334 extern unsigned char pass_toggle;
335
336 switch (cltype) {
337 case SPECTRUM:
338 vgaw(ba, PASS_ADDRESS_W, 0x6f);
339 break;
340 case PICASSO:
341 vgaw(ba, PASS_ADDRESS_W, 0xff);
342 delay(200000);
343 vgaw(ba, PASS_ADDRESS_W, 0xff);
344 break;
345 case PICCOLO:
346 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x20);
347 break;
348 }
349 pass_toggle = 0;
350 delay(200000);
351 }
352
353 static inline unsigned char RAttr(volatile void * ba, short idx) {
354 vgar(ba, ACT_ADDRESS_RESET);
355 vgaw(ba, ACT_ADDRESS_W, idx);
356 return vgar (ba, ACT_ADDRESS_R);
357 }
358
359 static inline unsigned char RSeq(volatile void * ba, short idx) {
360 vgaw (ba, SEQ_ADDRESS, idx);
361 return vgar (ba, SEQ_ADDRESS_R);
362 }
363
364 static inline unsigned char RCrt(volatile void * ba, short idx) {
365 vgaw (ba, CRT_ADDRESS, idx);
366 return vgar (ba, CRT_ADDRESS_R);
367 }
368
369 static inline unsigned char RGfx(volatile void * ba, short idx) {
370 vgaw(ba, GCT_ADDRESS, idx);
371 return vgar (ba, GCT_ADDRESS_R);
372 }
373
374 int cl_mode __P((register struct grf_softc *gp, u_long cmd, void *arg,
375 u_long a2, int a3));
376 int cl_load_mon __P((struct grf_softc *gp, struct grfcltext_mode *gv));
377 int grfcl_cnprobe __P((void));
378 void grfcl_iteinit __P((struct grf_softc *gp));
379
380 #endif /* _GRF_RHREG_H */
381
382