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amigahw.h

amigahw.h 11 KB
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  1. /*
    2. 

  2. ** asm-m68k/amigahw.h -- This header defines some macros and pointers for
    3. 

  3. **                    the various Amiga custom hardware registers.
    4. 

  4. **                    The naming conventions used here conform to those
    5. 

  5. **                    used in the Amiga Hardware Reference Manual, 3rd Edition
    6. 

  6. **
    7. 

  7. ** Copyright 1992 by Greg Harp
    8. 

  8. **
    9. 

  9. ** This file is subject to the terms and conditions of the GNU General Public
    10. 

  10. ** License.  See the file COPYING in the main directory of this archive
    11. 

  11. ** for more details.
    12. 

  12. **
    13. 

  13. ** Created: 9/24/92 by Greg Harp
    14. 

  14. */
    15. 

  15. 

  16. #ifndef _M68K_AMIGAHW_H
    17. 

  17. #define _M68K_AMIGAHW_H
    18. 

  18. 

  19. #include <linux/ioport.h>
    20. 

  20. 

  21.     /*
    22. 

  22.      *  Different Amiga models
    23. 

  23.      */
    24. 

  24. 

  25. #define AMI_UNKNOWN	(0)
    26. 

  26. #define AMI_500		(1)
    27. 

  27. #define AMI_500PLUS	(2)
    28. 

  28. #define AMI_600		(3)
    29. 

  29. #define AMI_1000	(4)
    30. 

  30. #define AMI_1200	(5)
    31. 

  31. #define AMI_2000	(6)
    32. 

  32. #define AMI_2500	(7)
    33. 

  33. #define AMI_3000	(8)
    34. 

  34. #define AMI_3000T	(9)
    35. 

  35. #define AMI_3000PLUS	(10)
    36. 

  36. #define AMI_4000	(11)
    37. 

  37. #define AMI_4000T	(12)
    38. 

  38. #define AMI_CDTV	(13)
    39. 

  39. #define AMI_CD32	(14)
    40. 

  40. #define AMI_DRACO	(15)
    41. 

  41. 

  42. 

  43.     /*
    44. 

  44.      *  Chipsets
    45. 

  45.      */
    46. 

  46. 

  47. extern unsigned long amiga_chipset;
    48. 

  48. 

  49. #define CS_STONEAGE	(0)
    50. 

  50. #define CS_OCS		(1)
    51. 

  51. #define CS_ECS		(2)
    52. 

  52. #define CS_AGA		(3)
    53. 

  53. 

  54. 

  55.     /*
    56. 

  56.      *  Miscellaneous
    57. 

  57.      */
    58. 

  58. 

  59. extern unsigned long amiga_eclock;	/* 700 kHz E Peripheral Clock */
    60. 

  60. extern unsigned long amiga_colorclock;	/* 3.5 MHz Color Clock */
    61. 

  61. extern unsigned long amiga_chip_size;	/* Chip RAM Size (bytes) */
    62. 

  62. extern unsigned char amiga_vblank;	/* VBLANK Frequency */
    63. 

  63. 

  64. 

  65. #define AMIGAHW_DECLARE(name)	unsigned name : 1
    66. 

  66. #define AMIGAHW_SET(name)	(amiga_hw_present.name = 1)
    67. 

  67. #define AMIGAHW_PRESENT(name)	(amiga_hw_present.name)
    68. 

  68. 

  69. struct amiga_hw_present {
    70. 

  70.     /* video hardware */
    71. 

  71.     AMIGAHW_DECLARE(AMI_VIDEO);		/* Amiga Video */
    72. 

  72.     AMIGAHW_DECLARE(AMI_BLITTER);	/* Amiga Blitter */
    73. 

  73.     AMIGAHW_DECLARE(AMBER_FF);		/* Amber Flicker Fixer */
    74. 

  74.     /* sound hardware */
    75. 

  75.     AMIGAHW_DECLARE(AMI_AUDIO);		/* Amiga Audio */
    76. 

  76.     /* disk storage interfaces */
    77. 

  77.     AMIGAHW_DECLARE(AMI_FLOPPY);	/* Amiga Floppy */
    78. 

  78.     AMIGAHW_DECLARE(A3000_SCSI);	/* SCSI (wd33c93, A3000 alike) */
    79. 

  79.     AMIGAHW_DECLARE(A4000_SCSI);	/* SCSI (ncr53c710, A4000T alike) */
    80. 

  80.     AMIGAHW_DECLARE(A1200_IDE);		/* IDE (A1200 alike) */
    81. 

  81.     AMIGAHW_DECLARE(A4000_IDE);		/* IDE (A4000 alike) */
    82. 

  82.     AMIGAHW_DECLARE(CD_ROM);		/* CD ROM drive */
    83. 

  83.     /* other I/O hardware */
    84. 

  84.     AMIGAHW_DECLARE(AMI_KEYBOARD);	/* Amiga Keyboard */
    85. 

  85.     AMIGAHW_DECLARE(AMI_MOUSE);		/* Amiga Mouse */
    86. 

  86.     AMIGAHW_DECLARE(AMI_SERIAL);	/* Amiga Serial */
    87. 

  87.     AMIGAHW_DECLARE(AMI_PARALLEL);	/* Amiga Parallel */
    88. 

  88.     /* real time clocks */
    89. 

  89.     AMIGAHW_DECLARE(A2000_CLK);		/* Hardware Clock (A2000 alike) */
    90. 

  90.     AMIGAHW_DECLARE(A3000_CLK);		/* Hardware Clock (A3000 alike) */
    91. 

  91.     /* supporting hardware */
    92. 

  92.     AMIGAHW_DECLARE(CHIP_RAM);		/* Chip RAM */
    93. 

  93.     AMIGAHW_DECLARE(PAULA);		/* Paula (8364) */
    94. 

  94.     AMIGAHW_DECLARE(DENISE);		/* Denise (8362) */
    95. 

  95.     AMIGAHW_DECLARE(DENISE_HR);		/* Denise (8373) */
    96. 

  96.     AMIGAHW_DECLARE(LISA);		/* Lisa (8375) */
    97. 

  97.     AMIGAHW_DECLARE(AGNUS_PAL);		/* Normal/Fat PAL Agnus (8367/8371) */
    98. 

  98.     AMIGAHW_DECLARE(AGNUS_NTSC);	/* Normal/Fat NTSC Agnus (8361/8370) */
    99. 

  99.     AMIGAHW_DECLARE(AGNUS_HR_PAL);	/* Fat Hires PAL Agnus (8372) */
    100. 

  100.     AMIGAHW_DECLARE(AGNUS_HR_NTSC);	/* Fat Hires NTSC Agnus (8372) */
    101. 

  101.     AMIGAHW_DECLARE(ALICE_PAL);		/* PAL Alice (8374) */
    102. 

  102.     AMIGAHW_DECLARE(ALICE_NTSC);	/* NTSC Alice (8374) */
    103. 

  103.     AMIGAHW_DECLARE(MAGIC_REKICK);	/* A3000 Magic Hard Rekick */
    104. 

  104.     AMIGAHW_DECLARE(PCMCIA);		/* PCMCIA Slot */
    105. 

  105.     AMIGAHW_DECLARE(GG2_ISA);		/* GG2 Zorro2ISA Bridge */
    106. 

  106.     AMIGAHW_DECLARE(ZORRO);		/* Zorro AutoConfig */
    107. 

  107.     AMIGAHW_DECLARE(ZORRO3);		/* Zorro III */
    108. 

  108. };
    109. 

  109. 

  110. extern struct amiga_hw_present amiga_hw_present;
    111. 

  111. 

  112. struct CUSTOM {
    113. 

  113.     unsigned short bltddat;
    114. 

  114.     unsigned short dmaconr;
    115. 

  115.     unsigned short vposr;
    116. 

  116.     unsigned short vhposr;
    117. 

  117.     unsigned short dskdatr;
    118. 

  118.     unsigned short joy0dat;
    119. 

  119.     unsigned short joy1dat;
    120. 

  120.     unsigned short clxdat;
    121. 

  121.     unsigned short adkconr;
    122. 

  122.     unsigned short pot0dat;
    123. 

  123.     unsigned short pot1dat;
    124. 

  124.     unsigned short potgor;
    125. 

  125.     unsigned short serdatr;
    126. 

  126.     unsigned short dskbytr;
    127. 

  127.     unsigned short intenar;
    128. 

  128.     unsigned short intreqr;
    129. 

  129.     unsigned char  *dskptr;
    130. 

  130.     unsigned short dsklen;
    131. 

  131.     unsigned short dskdat;
    132. 

  132.     unsigned short refptr;
    133. 

  133.     unsigned short vposw;
    134. 

  134.     unsigned short vhposw;
    135. 

  135.     unsigned short copcon;
    136. 

  136.     unsigned short serdat;
    137. 

  137.     unsigned short serper;
    138. 

  138.     unsigned short potgo;
    139. 

  139.     unsigned short joytest;
    140. 

  140.     unsigned short strequ;
    141. 

  141.     unsigned short strvbl;
    142. 

  142.     unsigned short strhor;
    143. 

  143.     unsigned short strlong;
    144. 

  144.     unsigned short bltcon0;
    145. 

  145.     unsigned short bltcon1;
    146. 

  146.     unsigned short bltafwm;
    147. 

  147.     unsigned short bltalwm;
    148. 

  148.     unsigned char  *bltcpt;
    149. 

  149.     unsigned char  *bltbpt;
    150. 

  150.     unsigned char  *bltapt;
    151. 

  151.     unsigned char  *bltdpt;
    152. 

  152.     unsigned short bltsize;
    153. 

  153.     unsigned char  pad2d;
    154. 

  154.     unsigned char  bltcon0l;
    155. 

  155.     unsigned short bltsizv;
    156. 

  156.     unsigned short bltsizh;
    157. 

  157.     unsigned short bltcmod;
    158. 

  158.     unsigned short bltbmod;
    159. 

  159.     unsigned short bltamod;
    160. 

  160.     unsigned short bltdmod;
    161. 

  161.     unsigned short spare2[4];
    162. 

  162.     unsigned short bltcdat;
    163. 

  163.     unsigned short bltbdat;
    164. 

  164.     unsigned short bltadat;
    165. 

  165.     unsigned short spare3[3];
    166. 

  166.     unsigned short deniseid;
    167. 

  167.     unsigned short dsksync;
    168. 

  168.     unsigned short *cop1lc;
    169. 

  169.     unsigned short *cop2lc;
    170. 

  170.     unsigned short copjmp1;
    171. 

  171.     unsigned short copjmp2;
    172. 

  172.     unsigned short copins;
    173. 

  173.     unsigned short diwstrt;
    174. 

  174.     unsigned short diwstop;
    175. 

  175.     unsigned short ddfstrt;
    176. 

  176.     unsigned short ddfstop;
    177. 

  177.     unsigned short dmacon;
    178. 

  178.     unsigned short clxcon;
    179. 

  179.     unsigned short intena;
    180. 

  180.     unsigned short intreq;
    181. 

  181.     unsigned short adkcon;
    182. 

  182.     struct {
    183. 

  183. 	unsigned short	*audlc;
    184. 

  184. 	unsigned short audlen;
    185. 

  185. 	unsigned short audper;
    186. 

  186. 	unsigned short audvol;
    187. 

  187. 	unsigned short auddat;
    188. 

  188. 	unsigned short audspare[2];
    189. 

  189.     } aud[4];
    190. 

  190.     unsigned char  *bplpt[8];
    191. 

  191.     unsigned short bplcon0;
    192. 

  192.     unsigned short bplcon1;
    193. 

  193.     unsigned short bplcon2;
    194. 

  194.     unsigned short bplcon3;
    195. 

  195.     unsigned short bpl1mod;
    196. 

  196.     unsigned short bpl2mod;
    197. 

  197.     unsigned short bplcon4;
    198. 

  198.     unsigned short clxcon2;
    199. 

  199.     unsigned short bpldat[8];
    200. 

  200.     unsigned char  *sprpt[8];
    201. 

  201.     struct {
    202. 

  202. 	unsigned short pos;
    203. 

  203. 	unsigned short ctl;
    204. 

  204. 	unsigned short dataa;
    205. 

  205. 	unsigned short datab;
    206. 

  206.     } spr[8];
    207. 

  207.     unsigned short color[32];
    208. 

  208.     unsigned short htotal;
    209. 

  209.     unsigned short hsstop;
    210. 

  210.     unsigned short hbstrt;
    211. 

  211.     unsigned short hbstop;
    212. 

  212.     unsigned short vtotal;
    213. 

  213.     unsigned short vsstop;
    214. 

  214.     unsigned short vbstrt;
    215. 

  215.     unsigned short vbstop;
    216. 

  216.     unsigned short sprhstrt;
    217. 

  217.     unsigned short sprhstop;
    218. 

  218.     unsigned short bplhstrt;
    219. 

  219.     unsigned short bplhstop;
    220. 

  220.     unsigned short hhposw;
    221. 

  221.     unsigned short hhposr;
    222. 

  222.     unsigned short beamcon0;
    223. 

  223.     unsigned short hsstrt;
    224. 

  224.     unsigned short vsstrt;
    225. 

  225.     unsigned short hcenter;
    226. 

  226.     unsigned short diwhigh;
    227. 

  227.     unsigned short spare4[11];
    228. 

  228.     unsigned short fmode;
    229. 

  229. };
    230. 

  230. 

  231. /*
    232. 

  232.  * DMA register bits
    233. 

  233.  */
    234. 

  234. #define DMAF_SETCLR		(0x8000)
    235. 

  235. #define DMAF_AUD0		(0x0001)
    236. 

  236. #define DMAF_AUD1		(0x0002)
    237. 

  237. #define DMAF_AUD2		(0x0004)
    238. 

  238. #define DMAF_AUD3		(0x0008)
    239. 

  239. #define DMAF_DISK		(0x0010)
    240. 

  240. #define DMAF_SPRITE		(0x0020)
    241. 

  241. #define DMAF_BLITTER		(0x0040)
    242. 

  242. #define DMAF_COPPER		(0x0080)
    243. 

  243. #define DMAF_RASTER		(0x0100)
    244. 

  244. #define DMAF_MASTER		(0x0200)
    245. 

  245. #define DMAF_BLITHOG		(0x0400)
    246. 

  246. #define DMAF_BLTNZERO		(0x2000)
    247. 

  247. #define DMAF_BLTDONE		(0x4000)
    248. 

  248. #define DMAF_ALL		(0x01FF)
    249. 

  249. 

  250. struct CIA {
    251. 

  251.     unsigned char pra;		char pad0[0xff];
    252. 

  252.     unsigned char prb;		char pad1[0xff];
    253. 

  253.     unsigned char ddra;		char pad2[0xff];
    254. 

  254.     unsigned char ddrb;		char pad3[0xff];
    255. 

  255.     unsigned char talo;		char pad4[0xff];
    256. 

  256.     unsigned char tahi;		char pad5[0xff];
    257. 

  257.     unsigned char tblo;		char pad6[0xff];
    258. 

  258.     unsigned char tbhi;		char pad7[0xff];
    259. 

  259.     unsigned char todlo;	char pad8[0xff];
    260. 

  260.     unsigned char todmid;	char pad9[0xff];
    261. 

  261.     unsigned char todhi;	char pada[0x1ff];
    262. 

  262.     unsigned char sdr;		char padb[0xff];
    263. 

  263.     unsigned char icr;		char padc[0xff];
    264. 

  264.     unsigned char cra;		char padd[0xff];
    265. 

  265.     unsigned char crb;		char pade[0xff];
    266. 

  266. };
    267. 

  267. 

  268. #define zTwoBase (0x80000000)
    269. 

  269. #define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
    270. 

  270. #define ZTWO_VADDR(x) (((unsigned long)(x))+zTwoBase)
    271. 

  271. 

  272. #define CUSTOM_PHYSADDR     (0xdff000)
    273. 

  273. #define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
    274. 

  274. 

  275. #define CIAA_PHYSADDR	  (0xbfe001)
    276. 

  276. #define CIAB_PHYSADDR	  (0xbfd000)
    277. 

  277. #define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
    278. 

  278. #define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
    279. 

  279. 

  280. #define CHIP_PHYSADDR	    (0x000000)
    281. 

  281. 

  282. void amiga_chip_init (void);
    283. 

  283. void *amiga_chip_alloc(unsigned long size, const char *name);
    284. 

  284. void *amiga_chip_alloc_res(unsigned long size, struct resource *res);
    285. 

  285. void amiga_chip_free(void *ptr);
    286. 

  286. unsigned long amiga_chip_avail( void ); /*MILAN*/
    287. 

  287. extern volatile unsigned short amiga_audio_min_period;
    288. 

  288. 

  289. static inline void amifb_video_off(void)
    290. 

  290. {
    291. 

  291. 	if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) {
    292. 

  292. 		/* program Denise/Lisa for a higher maximum play rate */
    293. 

  293. 		amiga_custom.htotal = 113;        /* 31 kHz */
    294. 

  294. 		amiga_custom.vtotal = 223;        /* 70 Hz */
    295. 

  295. 		amiga_custom.beamcon0 = 0x4390;   /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */
    296. 

  296. 		/* suspend the monitor */
    297. 

  297. 		amiga_custom.hsstrt = amiga_custom.hsstop = 116;
    298. 

  298. 		amiga_custom.vsstrt = amiga_custom.vsstop = 226;
    299. 

  299. 		amiga_audio_min_period = 57;
    300. 

  300. 	}
    301. 

  301. }
    302. 

  302. 

  303. struct tod3000 {
    304. 

  304.   unsigned int  :28, second2:4;	/* lower digit */
    305. 

  305.   unsigned int  :28, second1:4;	/* upper digit */
    306. 

  306.   unsigned int  :28, minute2:4;	/* lower digit */
    307. 

  307.   unsigned int  :28, minute1:4;	/* upper digit */
    308. 

  308.   unsigned int  :28, hour2:4;	/* lower digit */
    309. 

  309.   unsigned int  :28, hour1:4;	/* upper digit */
    310. 

  310.   unsigned int  :28, weekday:4;
    311. 

  311.   unsigned int  :28, day2:4;	/* lower digit */
    312. 

  312.   unsigned int  :28, day1:4;	/* upper digit */
    313. 

  313.   unsigned int  :28, month2:4;	/* lower digit */
    314. 

  314.   unsigned int  :28, month1:4;	/* upper digit */
    315. 

  315.   unsigned int  :28, year2:4;	/* lower digit */
    316. 

  316.   unsigned int  :28, year1:4;	/* upper digit */
    317. 

  317.   unsigned int  :28, cntrl1:4;	/* control-byte 1 */
    318. 

  318.   unsigned int  :28, cntrl2:4;	/* control-byte 2 */
    319. 

  319.   unsigned int  :28, cntrl3:4;	/* control-byte 3 */
    320. 

  320. };
    321. 

  321. #define TOD3000_CNTRL1_HOLD	0
    322. 

  322. #define TOD3000_CNTRL1_FREE	9
    323. 

  323. #define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000)))
    324. 

  324. 

  325. struct tod2000 {
    326. 

  326.   unsigned int  :28, second2:4;	/* lower digit */
    327. 

  327.   unsigned int  :28, second1:4;	/* upper digit */
    328. 

  328.   unsigned int  :28, minute2:4;	/* lower digit */
    329. 

  329.   unsigned int  :28, minute1:4;	/* upper digit */
    330. 

  330.   unsigned int  :28, hour2:4;	/* lower digit */
    331. 

  331.   unsigned int  :28, hour1:4;	/* upper digit */
    332. 

  332.   unsigned int  :28, day2:4;	/* lower digit */
    333. 

  333.   unsigned int  :28, day1:4;	/* upper digit */
    334. 

  334.   unsigned int  :28, month2:4;	/* lower digit */
    335. 

  335.   unsigned int  :28, month1:4;	/* upper digit */
    336. 

  336.   unsigned int  :28, year2:4;	/* lower digit */
    337. 

  337.   unsigned int  :28, year1:4;	/* upper digit */
    338. 

  338.   unsigned int  :28, weekday:4;
    339. 

  339.   unsigned int  :28, cntrl1:4;	/* control-byte 1 */
    340. 

  340.   unsigned int  :28, cntrl2:4;	/* control-byte 2 */
    341. 

  341.   unsigned int  :28, cntrl3:4;	/* control-byte 3 */
    342. 

  342. };
    343. 

  343. 

  344. #define TOD2000_CNTRL1_HOLD	(1<<0)
    345. 

  345. #define TOD2000_CNTRL1_BUSY	(1<<1)
    346. 

  346. #define TOD2000_CNTRL3_24HMODE	(1<<2)
    347. 

  347. #define TOD2000_HOUR1_PM	(1<<2)
    348. 

  348. #define tod_2000 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000)))
    349. 

  349. 

  350. #endif /* _M68K_AMIGAHW_H */
    351.