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gerrit-public.fairphone.software / kernel / msm / 2fe165b65089925292122e9772321738627f325c / . / drivers / scsi / aha152x.h
blob: d277613af29b717c82afc714034c70b320144b73 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef _AHA152X_H
2#define _AHA152X_H
3
4/*
5 * $Id: aha152x.h,v 2.7 2004/01/24 11:39:03 fischer Exp $
6 */
7
8/* number of queueable commands
9 (unless we support more than 1 cmd_per_lun this should do) */
10#define AHA152X_MAXQUEUE 7
11
12#define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 2.7 $"
13
14/* port addresses */
15#define SCSISEQ (HOSTIOPORT0+0x00) /* SCSI sequence control */
16#define SXFRCTL0 (HOSTIOPORT0+0x01) /* SCSI transfer control 0 */
17#define SXFRCTL1 (HOSTIOPORT0+0x02) /* SCSI transfer control 1 */
18#define SCSISIG (HOSTIOPORT0+0x03) /* SCSI signal in/out */
19#define SCSIRATE (HOSTIOPORT0+0x04) /* SCSI rate control */
20#define SELID (HOSTIOPORT0+0x05) /* selection/reselection ID */
21#define SCSIID SELID /* SCSI ID */
22#define SCSIDAT (HOSTIOPORT0+0x06) /* SCSI latched data */
23#define SCSIBUS (HOSTIOPORT0+0x07) /* SCSI data bus */
24#define STCNT0 (HOSTIOPORT0+0x08) /* SCSI transfer count 0 */
25#define STCNT1 (HOSTIOPORT0+0x09) /* SCSI transfer count 1 */
26#define STCNT2 (HOSTIOPORT0+0x0a) /* SCSI transfer count 2 */
27#define SSTAT0 (HOSTIOPORT0+0x0b) /* SCSI interrupt status 0 */
28#define SSTAT1 (HOSTIOPORT0+0x0c) /* SCSI interrupt status 1 */
29#define SSTAT2 (HOSTIOPORT0+0x0d) /* SCSI interrupt status 2 */
30#define SCSITEST (HOSTIOPORT0+0x0e) /* SCSI test control */
31#define SSTAT3 SCSITEST /* SCSI interrupt status 3 */
32#define SSTAT4 (HOSTIOPORT0+0x0f) /* SCSI status 4 */
33#define SIMODE0 (HOSTIOPORT1+0x10) /* SCSI interrupt mode 0 */
34#define SIMODE1 (HOSTIOPORT1+0x11) /* SCSI interrupt mode 1 */
35#define DMACNTRL0 (HOSTIOPORT1+0x12) /* DMA control 0 */
36#define DMACNTRL1 (HOSTIOPORT1+0x13) /* DMA control 1 */
37#define DMASTAT (HOSTIOPORT1+0x14) /* DMA status */
38#define FIFOSTAT (HOSTIOPORT1+0x15) /* FIFO status */
39#define DATAPORT (HOSTIOPORT1+0x16) /* DATA port */
40#define BRSTCNTRL (HOSTIOPORT1+0x18) /* burst control */
41#define PORTA (HOSTIOPORT1+0x1a) /* PORT A */
42#define PORTB (HOSTIOPORT1+0x1b) /* PORT B */
43#define REV (HOSTIOPORT1+0x1c) /* revision */
44#define STACK (HOSTIOPORT1+0x1d) /* stack */
45#define TEST (HOSTIOPORT1+0x1e) /* test register */
46
47#define IO_RANGE 0x20
48
49/* used in aha152x_porttest */
50#define O_PORTA 0x1a /* PORT A */
51#define O_PORTB 0x1b /* PORT B */
52#define O_DMACNTRL1 0x13 /* DMA control 1 */
53#define O_STACK 0x1d /* stack */
54
55/* used in tc1550_porttest */
56#define O_TC_PORTA 0x0a /* PORT A */
57#define O_TC_PORTB 0x0b /* PORT B */
58#define O_TC_DMACNTRL1 0x03 /* DMA control 1 */
59#define O_TC_STACK 0x0d /* stack */
60
61/* bits and bitmasks to ports */
62
63/* SCSI sequence control */
64#define TEMODEO 0x80
65#define ENSELO 0x40
66#define ENSELI 0x20
67#define ENRESELI 0x10
68#define ENAUTOATNO 0x08
69#define ENAUTOATNI 0x04
70#define ENAUTOATNP 0x02
71#define SCSIRSTO 0x01
72
73/* SCSI transfer control 0 */
74#define SCSIEN 0x80
75#define DMAEN 0x40
76#define CH1 0x20
77#define CLRSTCNT 0x10
78#define SPIOEN 0x08
79#define CLRCH1 0x02
80
81/* SCSI transfer control 1 */
82#define BITBUCKET 0x80
83#define SWRAPEN 0x40
84#define ENSPCHK 0x20
85#define STIMESEL 0x18 /* mask */
86#define STIMESEL_ 3
87#define ENSTIMER 0x04
88#define BYTEALIGN 0x02
89
90/* SCSI signal IN */
91#define SIG_CDI 0x80
92#define SIG_IOI 0x40
93#define SIG_MSGI 0x20
94#define SIG_ATNI 0x10
95#define SIG_SELI 0x08
96#define SIG_BSYI 0x04
97#define SIG_REQI 0x02
98#define SIG_ACKI 0x01
99
100/* SCSI Phases */
101#define P_MASK (SIG_MSGI|SIG_CDI|SIG_IOI)
102#define P_DATAO (0)
103#define P_DATAI (SIG_IOI)
104#define P_CMD (SIG_CDI)
105#define P_STATUS (SIG_CDI|SIG_IOI)
106#define P_MSGO (SIG_MSGI|SIG_CDI)
107#define P_MSGI (SIG_MSGI|SIG_CDI|SIG_IOI)
108
109/* SCSI signal OUT */
110#define SIG_CDO 0x80
111#define SIG_IOO 0x40
112#define SIG_MSGO 0x20
113#define SIG_ATNO 0x10
114#define SIG_SELO 0x08
115#define SIG_BSYO 0x04
116#define SIG_REQO 0x02
117#define SIG_ACKO 0x01
118
119/* SCSI rate control */
120#define SXFR 0x70 /* mask */
121#define SXFR_ 4
122#define SOFS 0x0f /* mask */
123
124/* SCSI ID */
125#define OID 0x70
126#define OID_ 4
127#define TID 0x07
128
129/* SCSI transfer count */
130#define GETSTCNT() ( (GETPORT(STCNT2)<<16) \
131 + (GETPORT(STCNT1)<< 8) \
132 + GETPORT(STCNT0) )
133
134#define SETSTCNT(X) { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \
135 SETPORT(STCNT1, ((X) & 0x00FF00) >> 8); \
136 SETPORT(STCNT0, ((X) & 0x0000FF) ); }
137
138/* SCSI interrupt status */
139#define TARGET 0x80
140#define SELDO 0x40
141#define SELDI 0x20
142#define SELINGO 0x10
143#define SWRAP 0x08
144#define SDONE 0x04
145#define SPIORDY 0x02
146#define DMADONE 0x01
147
148#define SETSDONE 0x80
149#define CLRSELDO 0x40
150#define CLRSELDI 0x20
151#define CLRSELINGO 0x10
152#define CLRSWRAP 0x08
153#define CLRSDONE 0x04
154#define CLRSPIORDY 0x02
155#define CLRDMADONE 0x01
156
157/* SCSI status 1 */
158#define SELTO 0x80
159#define ATNTARG 0x40
160#define SCSIRSTI 0x20
161#define PHASEMIS 0x10
162#define BUSFREE 0x08
163#define SCSIPERR 0x04
164#define PHASECHG 0x02
165#define REQINIT 0x01
166
167#define CLRSELTIMO 0x80
168#define CLRATNO 0x40
169#define CLRSCSIRSTI 0x20
170#define CLRBUSFREE 0x08
171#define CLRSCSIPERR 0x04
172#define CLRPHASECHG 0x02
173#define CLRREQINIT 0x01
174
175/* SCSI status 2 */
176#define SOFFSET 0x20
177#define SEMPTY 0x10
178#define SFULL 0x08
179#define SFCNT 0x07 /* mask */
180
181/* SCSI status 3 */
182#define SCSICNT 0xf0 /* mask */
183#define SCSICNT_ 4
184#define OFFCNT 0x0f /* mask */
185
186/* SCSI TEST control */
187#define SCTESTU 0x08
188#define SCTESTD 0x04
189#define STCTEST 0x01
190
191/* SCSI status 4 */
192#define SYNCERR 0x04
193#define FWERR 0x02
194#define FRERR 0x01
195
196#define CLRSYNCERR 0x04
197#define CLRFWERR 0x02
198#define CLRFRERR 0x01
199
200/* SCSI interrupt mode 0 */
201#define ENSELDO 0x40
202#define ENSELDI 0x20
203#define ENSELINGO 0x10
204#define ENSWRAP 0x08
205#define ENSDONE 0x04
206#define ENSPIORDY 0x02
207#define ENDMADONE 0x01
208
209/* SCSI interrupt mode 1 */
210#define ENSELTIMO 0x80
211#define ENATNTARG 0x40
212#define ENSCSIRST 0x20
213#define ENPHASEMIS 0x10
214#define ENBUSFREE 0x08
215#define ENSCSIPERR 0x04
216#define ENPHASECHG 0x02
217#define ENREQINIT 0x01
218
219/* DMA control 0 */
220#define ENDMA 0x80
221#define _8BIT 0x40
222#define DMA 0x20
223#define WRITE_READ 0x08
224#define INTEN 0x04
225#define RSTFIFO 0x02
226#define SWINT 0x01
227
228/* DMA control 1 */
229#define PWRDWN 0x80
230#define STK 0x07 /* mask */
231
232/* DMA status */
233#define ATDONE 0x80
234#define WORDRDY 0x40
235#define INTSTAT 0x20
236#define DFIFOFULL 0x10
237#define DFIFOEMP 0x08
238
239/* BURST control */
240#define BON 0xf0
241#define BOFF 0x0f
242
243/* TEST REGISTER */
244#define BOFFTMR 0x40
245#define BONTMR 0x20
246#define STCNTH 0x10
247#define STCNTM 0x08
248#define STCNTL 0x04
249#define SCSIBLK 0x02
250#define DMABLK 0x01
251
252/* On the AHA-152x board PORTA and PORTB contain
253 some information about the board's configuration. */
254typedef union {
255 struct {
256 unsigned reserved:2; /* reserved */
257 unsigned tardisc:1; /* Target disconnect: 0=disabled, 1=enabled */
258 unsigned syncneg:1; /* Initial sync neg: 0=disabled, 1=enabled */
259 unsigned msgclasses:2; /* Message classes
260 0=#4
261 1=#0, #1, #2, #3, #4
262 2=#0, #3, #4
263 3=#0, #4
264 */
265 unsigned boot:1; /* boot: 0=disabled, 1=enabled */
266 unsigned dma:1; /* Transfer mode: 0=PIO; 1=DMA */
267 unsigned id:3; /* SCSI-id */
268 unsigned irq:2; /* IRQ-Channel: 0,3=12, 1=10, 2=11 */
269 unsigned dmachan:2; /* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */
270 unsigned parity:1; /* SCSI-parity: 1=enabled 0=disabled */
271 } fields;
272 unsigned short port;
273} aha152x_config ;
274
275#define cf_parity fields.parity
276#define cf_dmachan fields.dmachan
277#define cf_irq fields.irq
278#define cf_id fields.id
279#define cf_dma fields.dma
280#define cf_boot fields.boot
281#define cf_msgclasses fields.msgclasses
282#define cf_syncneg fields.syncneg
283#define cf_tardisc fields.tardisc
284#define cf_port port
285
286/* Some macros to manipulate ports and their bits */
287
288#define SETPORT(PORT, VAL) outb( (VAL), (PORT) )
289#define GETPORT(PORT) inb( PORT )
290#define SETBITS(PORT, BITS) outb( (inb(PORT) | (BITS)), (PORT) )
291#define CLRBITS(PORT, BITS) outb( (inb(PORT) & ~(BITS)), (PORT) )
292#define TESTHI(PORT, BITS) ((inb(PORT) & (BITS)) == (BITS))
293#define TESTLO(PORT, BITS) ((inb(PORT) & (BITS)) == 0)
294
295#define SETRATE(RATE) SETPORT(SCSIRATE,(RATE) & 0x7f)
296
297#if defined(AHA152X_DEBUG)
298enum {
299 debug_procinfo = 0x0001,
300 debug_queue = 0x0002,
301 debug_locks = 0x0004,
302 debug_intr = 0x0008,
303 debug_selection = 0x0010,
304 debug_msgo = 0x0020,
305 debug_msgi = 0x0040,
306 debug_status = 0x0080,
307 debug_cmd = 0x0100,
308 debug_datai = 0x0200,
309 debug_datao = 0x0400,
310 debug_eh = 0x0800,
311 debug_done = 0x1000,
312 debug_phases = 0x2000,
313};
314#endif
315
316/* for the pcmcia stub */
317struct aha152x_setup {
318 int io_port;
319 int irq;
320 int scsiid;
321 int reconnect;
322 int parity;
323 int synchronous;
324 int delay;
325 int ext_trans;
326 int tc1550;
327#if defined(AHA152X_DEBUG)
328 int debug;
329#endif
330 char *conf;
331};
332
333struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *);
334void aha152x_release(struct Scsi_Host *);
335int aha152x_host_reset(Scsi_Cmnd *);
336
337#endif /* _AHA152X_H */