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1da177e4 LT |
1 | /* |
2 | ** asm-m68k/amigahw.h -- This header defines some macros and pointers for | |
3 | ** the various Amiga custom hardware registers. | |
4 | ** The naming conventions used here conform to those | |
5 | ** used in the Amiga Hardware Reference Manual, 3rd Edition | |
6 | ** | |
7 | ** Copyright 1992 by Greg Harp | |
8 | ** | |
9 | ** This file is subject to the terms and conditions of the GNU General Public | |
10 | ** License. See the file COPYING in the main directory of this archive | |
11 | ** for more details. | |
12 | ** | |
13 | ** Created: 9/24/92 by Greg Harp | |
14 | */ | |
15 | ||
16 | #ifndef _M68K_AMIGAHW_H | |
17 | #define _M68K_AMIGAHW_H | |
18 | ||
19 | #include <linux/ioport.h> | |
20 | ||
21 | /* | |
22 | * Different Amiga models | |
23 | */ | |
24 | ||
25 | extern unsigned long amiga_model; | |
26 | ||
27 | #define AMI_UNKNOWN (0) | |
28 | #define AMI_500 (1) | |
29 | #define AMI_500PLUS (2) | |
30 | #define AMI_600 (3) | |
31 | #define AMI_1000 (4) | |
32 | #define AMI_1200 (5) | |
33 | #define AMI_2000 (6) | |
34 | #define AMI_2500 (7) | |
35 | #define AMI_3000 (8) | |
36 | #define AMI_3000T (9) | |
37 | #define AMI_3000PLUS (10) | |
38 | #define AMI_4000 (11) | |
39 | #define AMI_4000T (12) | |
40 | #define AMI_CDTV (13) | |
41 | #define AMI_CD32 (14) | |
42 | #define AMI_DRACO (15) | |
43 | ||
44 | ||
45 | /* | |
46 | * Chipsets | |
47 | */ | |
48 | ||
49 | extern unsigned long amiga_chipset; | |
50 | ||
51 | #define CS_STONEAGE (0) | |
52 | #define CS_OCS (1) | |
53 | #define CS_ECS (2) | |
54 | #define CS_AGA (3) | |
55 | ||
56 | ||
57 | /* | |
58 | * Miscellaneous | |
59 | */ | |
60 | ||
61 | extern unsigned long amiga_eclock; /* 700 kHz E Peripheral Clock */ | |
62 | extern unsigned long amiga_masterclock; /* 28 MHz Master Clock */ | |
63 | extern unsigned long amiga_colorclock; /* 3.5 MHz Color Clock */ | |
64 | extern unsigned long amiga_chip_size; /* Chip RAM Size (bytes) */ | |
65 | extern unsigned char amiga_vblank; /* VBLANK Frequency */ | |
66 | extern unsigned char amiga_psfreq; /* Power Supply Frequency */ | |
67 | ||
68 | ||
69 | #define AMIGAHW_DECLARE(name) unsigned name : 1 | |
70 | #define AMIGAHW_SET(name) (amiga_hw_present.name = 1) | |
71 | #define AMIGAHW_PRESENT(name) (amiga_hw_present.name) | |
72 | ||
73 | struct amiga_hw_present { | |
74 | /* video hardware */ | |
75 | AMIGAHW_DECLARE(AMI_VIDEO); /* Amiga Video */ | |
76 | AMIGAHW_DECLARE(AMI_BLITTER); /* Amiga Blitter */ | |
77 | AMIGAHW_DECLARE(AMBER_FF); /* Amber Flicker Fixer */ | |
78 | /* sound hardware */ | |
79 | AMIGAHW_DECLARE(AMI_AUDIO); /* Amiga Audio */ | |
80 | /* disk storage interfaces */ | |
81 | AMIGAHW_DECLARE(AMI_FLOPPY); /* Amiga Floppy */ | |
82 | AMIGAHW_DECLARE(A3000_SCSI); /* SCSI (wd33c93, A3000 alike) */ | |
83 | AMIGAHW_DECLARE(A4000_SCSI); /* SCSI (ncr53c710, A4000T alike) */ | |
84 | AMIGAHW_DECLARE(A1200_IDE); /* IDE (A1200 alike) */ | |
85 | AMIGAHW_DECLARE(A4000_IDE); /* IDE (A4000 alike) */ | |
86 | AMIGAHW_DECLARE(CD_ROM); /* CD ROM drive */ | |
87 | /* other I/O hardware */ | |
88 | AMIGAHW_DECLARE(AMI_KEYBOARD); /* Amiga Keyboard */ | |
89 | AMIGAHW_DECLARE(AMI_MOUSE); /* Amiga Mouse */ | |
90 | AMIGAHW_DECLARE(AMI_SERIAL); /* Amiga Serial */ | |
91 | AMIGAHW_DECLARE(AMI_PARALLEL); /* Amiga Parallel */ | |
92 | /* real time clocks */ | |
93 | AMIGAHW_DECLARE(A2000_CLK); /* Hardware Clock (A2000 alike) */ | |
94 | AMIGAHW_DECLARE(A3000_CLK); /* Hardware Clock (A3000 alike) */ | |
95 | /* supporting hardware */ | |
96 | AMIGAHW_DECLARE(CHIP_RAM); /* Chip RAM */ | |
97 | AMIGAHW_DECLARE(PAULA); /* Paula (8364) */ | |
98 | AMIGAHW_DECLARE(DENISE); /* Denise (8362) */ | |
99 | AMIGAHW_DECLARE(DENISE_HR); /* Denise (8373) */ | |
100 | AMIGAHW_DECLARE(LISA); /* Lisa (8375) */ | |
101 | AMIGAHW_DECLARE(AGNUS_PAL); /* Normal/Fat PAL Agnus (8367/8371) */ | |
102 | AMIGAHW_DECLARE(AGNUS_NTSC); /* Normal/Fat NTSC Agnus (8361/8370) */ | |
103 | AMIGAHW_DECLARE(AGNUS_HR_PAL); /* Fat Hires PAL Agnus (8372) */ | |
104 | AMIGAHW_DECLARE(AGNUS_HR_NTSC); /* Fat Hires NTSC Agnus (8372) */ | |
105 | AMIGAHW_DECLARE(ALICE_PAL); /* PAL Alice (8374) */ | |
106 | AMIGAHW_DECLARE(ALICE_NTSC); /* NTSC Alice (8374) */ | |
107 | AMIGAHW_DECLARE(MAGIC_REKICK); /* A3000 Magic Hard Rekick */ | |
108 | AMIGAHW_DECLARE(PCMCIA); /* PCMCIA Slot */ | |
109 | AMIGAHW_DECLARE(GG2_ISA); /* GG2 Zorro2ISA Bridge */ | |
110 | AMIGAHW_DECLARE(ZORRO); /* Zorro AutoConfig */ | |
111 | AMIGAHW_DECLARE(ZORRO3); /* Zorro III */ | |
112 | }; | |
113 | ||
114 | extern struct amiga_hw_present amiga_hw_present; | |
115 | ||
116 | struct CUSTOM { | |
117 | unsigned short bltddat; | |
118 | unsigned short dmaconr; | |
119 | unsigned short vposr; | |
120 | unsigned short vhposr; | |
121 | unsigned short dskdatr; | |
122 | unsigned short joy0dat; | |
123 | unsigned short joy1dat; | |
124 | unsigned short clxdat; | |
125 | unsigned short adkconr; | |
126 | unsigned short pot0dat; | |
127 | unsigned short pot1dat; | |
128 | unsigned short potgor; | |
129 | unsigned short serdatr; | |
130 | unsigned short dskbytr; | |
131 | unsigned short intenar; | |
132 | unsigned short intreqr; | |
133 | unsigned char *dskptr; | |
134 | unsigned short dsklen; | |
135 | unsigned short dskdat; | |
136 | unsigned short refptr; | |
137 | unsigned short vposw; | |
138 | unsigned short vhposw; | |
139 | unsigned short copcon; | |
140 | unsigned short serdat; | |
141 | unsigned short serper; | |
142 | unsigned short potgo; | |
143 | unsigned short joytest; | |
144 | unsigned short strequ; | |
145 | unsigned short strvbl; | |
146 | unsigned short strhor; | |
147 | unsigned short strlong; | |
148 | unsigned short bltcon0; | |
149 | unsigned short bltcon1; | |
150 | unsigned short bltafwm; | |
151 | unsigned short bltalwm; | |
152 | unsigned char *bltcpt; | |
153 | unsigned char *bltbpt; | |
154 | unsigned char *bltapt; | |
155 | unsigned char *bltdpt; | |
156 | unsigned short bltsize; | |
157 | unsigned char pad2d; | |
158 | unsigned char bltcon0l; | |
159 | unsigned short bltsizv; | |
160 | unsigned short bltsizh; | |
161 | unsigned short bltcmod; | |
162 | unsigned short bltbmod; | |
163 | unsigned short bltamod; | |
164 | unsigned short bltdmod; | |
165 | unsigned short spare2[4]; | |
166 | unsigned short bltcdat; | |
167 | unsigned short bltbdat; | |
168 | unsigned short bltadat; | |
169 | unsigned short spare3[3]; | |
170 | unsigned short deniseid; | |
171 | unsigned short dsksync; | |
172 | unsigned short *cop1lc; | |
173 | unsigned short *cop2lc; | |
174 | unsigned short copjmp1; | |
175 | unsigned short copjmp2; | |
176 | unsigned short copins; | |
177 | unsigned short diwstrt; | |
178 | unsigned short diwstop; | |
179 | unsigned short ddfstrt; | |
180 | unsigned short ddfstop; | |
181 | unsigned short dmacon; | |
182 | unsigned short clxcon; | |
183 | unsigned short intena; | |
184 | unsigned short intreq; | |
185 | unsigned short adkcon; | |
186 | struct { | |
187 | unsigned short *audlc; | |
188 | unsigned short audlen; | |
189 | unsigned short audper; | |
190 | unsigned short audvol; | |
191 | unsigned short auddat; | |
192 | unsigned short audspare[2]; | |
193 | } aud[4]; | |
194 | unsigned char *bplpt[8]; | |
195 | unsigned short bplcon0; | |
196 | unsigned short bplcon1; | |
197 | unsigned short bplcon2; | |
198 | unsigned short bplcon3; | |
199 | unsigned short bpl1mod; | |
200 | unsigned short bpl2mod; | |
201 | unsigned short bplcon4; | |
202 | unsigned short clxcon2; | |
203 | unsigned short bpldat[8]; | |
204 | unsigned char *sprpt[8]; | |
205 | struct { | |
206 | unsigned short pos; | |
207 | unsigned short ctl; | |
208 | unsigned short dataa; | |
209 | unsigned short datab; | |
210 | } spr[8]; | |
211 | unsigned short color[32]; | |
212 | unsigned short htotal; | |
213 | unsigned short hsstop; | |
214 | unsigned short hbstrt; | |
215 | unsigned short hbstop; | |
216 | unsigned short vtotal; | |
217 | unsigned short vsstop; | |
218 | unsigned short vbstrt; | |
219 | unsigned short vbstop; | |
220 | unsigned short sprhstrt; | |
221 | unsigned short sprhstop; | |
222 | unsigned short bplhstrt; | |
223 | unsigned short bplhstop; | |
224 | unsigned short hhposw; | |
225 | unsigned short hhposr; | |
226 | unsigned short beamcon0; | |
227 | unsigned short hsstrt; | |
228 | unsigned short vsstrt; | |
229 | unsigned short hcenter; | |
230 | unsigned short diwhigh; | |
231 | unsigned short spare4[11]; | |
232 | unsigned short fmode; | |
233 | }; | |
234 | ||
235 | /* | |
236 | * DMA register bits | |
237 | */ | |
238 | #define DMAF_SETCLR (0x8000) | |
239 | #define DMAF_AUD0 (0x0001) | |
240 | #define DMAF_AUD1 (0x0002) | |
241 | #define DMAF_AUD2 (0x0004) | |
242 | #define DMAF_AUD3 (0x0008) | |
243 | #define DMAF_DISK (0x0010) | |
244 | #define DMAF_SPRITE (0x0020) | |
245 | #define DMAF_BLITTER (0x0040) | |
246 | #define DMAF_COPPER (0x0080) | |
247 | #define DMAF_RASTER (0x0100) | |
248 | #define DMAF_MASTER (0x0200) | |
249 | #define DMAF_BLITHOG (0x0400) | |
250 | #define DMAF_BLTNZERO (0x2000) | |
251 | #define DMAF_BLTDONE (0x4000) | |
252 | #define DMAF_ALL (0x01FF) | |
253 | ||
254 | struct CIA { | |
255 | unsigned char pra; char pad0[0xff]; | |
256 | unsigned char prb; char pad1[0xff]; | |
257 | unsigned char ddra; char pad2[0xff]; | |
258 | unsigned char ddrb; char pad3[0xff]; | |
259 | unsigned char talo; char pad4[0xff]; | |
260 | unsigned char tahi; char pad5[0xff]; | |
261 | unsigned char tblo; char pad6[0xff]; | |
262 | unsigned char tbhi; char pad7[0xff]; | |
263 | unsigned char todlo; char pad8[0xff]; | |
264 | unsigned char todmid; char pad9[0xff]; | |
265 | unsigned char todhi; char pada[0x1ff]; | |
266 | unsigned char sdr; char padb[0xff]; | |
267 | unsigned char icr; char padc[0xff]; | |
268 | unsigned char cra; char padd[0xff]; | |
269 | unsigned char crb; char pade[0xff]; | |
270 | }; | |
271 | ||
272 | #define zTwoBase (0x80000000) | |
273 | #define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase) | |
274 | #define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase) | |
275 | ||
276 | #define CUSTOM_PHYSADDR (0xdff000) | |
b4290a23 | 277 | #define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR))) |
1da177e4 LT |
278 | |
279 | #define CIAA_PHYSADDR (0xbfe001) | |
280 | #define CIAB_PHYSADDR (0xbfd000) | |
281 | #define ciaa ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR))) | |
282 | #define ciab ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR))) | |
283 | ||
284 | #define CHIP_PHYSADDR (0x000000) | |
285 | ||
286 | void amiga_chip_init (void); | |
287 | void *amiga_chip_alloc(unsigned long size, const char *name); | |
288 | void *amiga_chip_alloc_res(unsigned long size, struct resource *res); | |
289 | void amiga_chip_free(void *ptr); | |
290 | unsigned long amiga_chip_avail( void ); /*MILAN*/ | |
291 | extern volatile unsigned short amiga_audio_min_period; | |
292 | ||
293 | static inline void amifb_video_off(void) | |
294 | { | |
295 | if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) { | |
296 | /* program Denise/Lisa for a higher maximum play rate */ | |
b4290a23 AV |
297 | amiga_custom.htotal = 113; /* 31 kHz */ |
298 | amiga_custom.vtotal = 223; /* 70 Hz */ | |
299 | amiga_custom.beamcon0 = 0x4390; /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */ | |
1da177e4 | 300 | /* suspend the monitor */ |
b4290a23 AV |
301 | amiga_custom.hsstrt = amiga_custom.hsstop = 116; |
302 | amiga_custom.vsstrt = amiga_custom.vsstop = 226; | |
1da177e4 LT |
303 | amiga_audio_min_period = 57; |
304 | } | |
305 | } | |
306 | ||
307 | struct tod3000 { | |
308 | unsigned int :28, second2:4; /* lower digit */ | |
309 | unsigned int :28, second1:4; /* upper digit */ | |
310 | unsigned int :28, minute2:4; /* lower digit */ | |
311 | unsigned int :28, minute1:4; /* upper digit */ | |
312 | unsigned int :28, hour2:4; /* lower digit */ | |
313 | unsigned int :28, hour1:4; /* upper digit */ | |
314 | unsigned int :28, weekday:4; | |
315 | unsigned int :28, day2:4; /* lower digit */ | |
316 | unsigned int :28, day1:4; /* upper digit */ | |
317 | unsigned int :28, month2:4; /* lower digit */ | |
318 | unsigned int :28, month1:4; /* upper digit */ | |
319 | unsigned int :28, year2:4; /* lower digit */ | |
320 | unsigned int :28, year1:4; /* upper digit */ | |
321 | unsigned int :28, cntrl1:4; /* control-byte 1 */ | |
322 | unsigned int :28, cntrl2:4; /* control-byte 2 */ | |
323 | unsigned int :28, cntrl3:4; /* control-byte 3 */ | |
324 | }; | |
325 | #define TOD3000_CNTRL1_HOLD 0 | |
326 | #define TOD3000_CNTRL1_FREE 9 | |
327 | #define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000))) | |
328 | ||
329 | struct tod2000 { | |
330 | unsigned int :28, second2:4; /* lower digit */ | |
331 | unsigned int :28, second1:4; /* upper digit */ | |
332 | unsigned int :28, minute2:4; /* lower digit */ | |
333 | unsigned int :28, minute1:4; /* upper digit */ | |
334 | unsigned int :28, hour2:4; /* lower digit */ | |
335 | unsigned int :28, hour1:4; /* upper digit */ | |
336 | unsigned int :28, day2:4; /* lower digit */ | |
337 | unsigned int :28, day1:4; /* upper digit */ | |
338 | unsigned int :28, month2:4; /* lower digit */ | |
339 | unsigned int :28, month1:4; /* upper digit */ | |
340 | unsigned int :28, year2:4; /* lower digit */ | |
341 | unsigned int :28, year1:4; /* upper digit */ | |
342 | unsigned int :28, weekday:4; | |
343 | unsigned int :28, cntrl1:4; /* control-byte 1 */ | |
344 | unsigned int :28, cntrl2:4; /* control-byte 2 */ | |
345 | unsigned int :28, cntrl3:4; /* control-byte 3 */ | |
346 | }; | |
347 | ||
348 | #define TOD2000_CNTRL1_HOLD (1<<0) | |
349 | #define TOD2000_CNTRL1_BUSY (1<<1) | |
350 | #define TOD2000_CNTRL3_24HMODE (1<<2) | |
351 | #define TOD2000_HOUR1_PM (1<<2) | |
352 | #define tod_2000 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000))) | |
353 | ||
354 | #endif /* _M68K_AMIGAHW_H */ |