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
7 ** Copyright 1992 by Greg Harp
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
13 ** Created: 9/24/92 by Greg Harp
16 #ifndef _M68K_AMIGAHW_H
17 #define _M68K_AMIGAHW_H
19 #include <linux/ioport.h>
22 * Different Amiga models
25 extern unsigned long amiga_model
;
27 #define AMI_UNKNOWN (0)
29 #define AMI_500PLUS (2)
37 #define AMI_3000PLUS (10)
39 #define AMI_4000T (12)
42 #define AMI_DRACO (15)
49 extern unsigned long amiga_chipset
;
51 #define CS_STONEAGE (0)
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 */
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)
73 struct amiga_hw_present
{
75 AMIGAHW_DECLARE(AMI_VIDEO
); /* Amiga Video */
76 AMIGAHW_DECLARE(AMI_BLITTER
); /* Amiga Blitter */
77 AMIGAHW_DECLARE(AMBER_FF
); /* Amber Flicker Fixer */
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 */
114 extern struct amiga_hw_present amiga_hw_present
;
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
;
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
;
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];
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];
208 unsigned short dataa
;
209 unsigned short datab
;
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
;
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)
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];
272 #define zTwoBase (0x80000000)
273 #define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
274 #define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
276 #define CUSTOM_PHYSADDR (0xdff000)
277 #define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
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)))
284 #define CHIP_PHYSADDR (0x000000)
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
;
293 static inline void amifb_video_off(void)
295 if (amiga_chipset
== CS_ECS
|| amiga_chipset
== CS_AGA
) {
296 /* program Denise/Lisa for a higher maximum play rate */
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 */
300 /* suspend the monitor */
301 amiga_custom
.hsstrt
= amiga_custom
.hsstop
= 116;
302 amiga_custom
.vsstrt
= amiga_custom
.vsstop
= 226;
303 amiga_audio_min_period
= 57;
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 */
325 #define TOD3000_CNTRL1_HOLD 0
326 #define TOD3000_CNTRL1_FREE 9
327 #define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000)))
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 */
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)))
354 #endif /* _M68K_AMIGAHW_H */