Warning: That file was not part of the compilation database. It may have many parsing errors.

1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _AHA152X_H
3#define _AHA152X_H
4
5/*
6 * $Id: aha152x.h,v 2.7 2004/01/24 11:39:03 fischer Exp $
7 */
8
9/* number of queueable commands
10 (unless we support more than 1 cmd_per_lun this should do) */
11#define AHA152X_MAXQUEUE 7
12
13#define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 2.7 $"
14
15/* port addresses */
16#define SCSISEQ (HOSTIOPORT0+0x00) /* SCSI sequence control */
17#define SXFRCTL0 (HOSTIOPORT0+0x01) /* SCSI transfer control 0 */
18#define SXFRCTL1 (HOSTIOPORT0+0x02) /* SCSI transfer control 1 */
19#define SCSISIG (HOSTIOPORT0+0x03) /* SCSI signal in/out */
20#define SCSIRATE (HOSTIOPORT0+0x04) /* SCSI rate control */
21#define SELID (HOSTIOPORT0+0x05) /* selection/reselection ID */
22#define SCSIID SELID /* SCSI ID */
23#define SCSIDAT (HOSTIOPORT0+0x06) /* SCSI latched data */
24#define SCSIBUS (HOSTIOPORT0+0x07) /* SCSI data bus */
25#define STCNT0 (HOSTIOPORT0+0x08) /* SCSI transfer count 0 */
26#define STCNT1 (HOSTIOPORT0+0x09) /* SCSI transfer count 1 */
27#define STCNT2 (HOSTIOPORT0+0x0a) /* SCSI transfer count 2 */
28#define SSTAT0 (HOSTIOPORT0+0x0b) /* SCSI interrupt status 0 */
29#define SSTAT1 (HOSTIOPORT0+0x0c) /* SCSI interrupt status 1 */
30#define SSTAT2 (HOSTIOPORT0+0x0d) /* SCSI interrupt status 2 */
31#define SCSITEST (HOSTIOPORT0+0x0e) /* SCSI test control */
32#define SSTAT3 SCSITEST /* SCSI interrupt status 3 */
33#define SSTAT4 (HOSTIOPORT0+0x0f) /* SCSI status 4 */
34#define SIMODE0 (HOSTIOPORT1+0x10) /* SCSI interrupt mode 0 */
35#define SIMODE1 (HOSTIOPORT1+0x11) /* SCSI interrupt mode 1 */
36#define DMACNTRL0 (HOSTIOPORT1+0x12) /* DMA control 0 */
37#define DMACNTRL1 (HOSTIOPORT1+0x13) /* DMA control 1 */
38#define DMASTAT (HOSTIOPORT1+0x14) /* DMA status */
39#define FIFOSTAT (HOSTIOPORT1+0x15) /* FIFO status */
40#define DATAPORT (HOSTIOPORT1+0x16) /* DATA port */
41#define BRSTCNTRL (HOSTIOPORT1+0x18) /* burst control */
42#define PORTA (HOSTIOPORT1+0x1a) /* PORT A */
43#define PORTB (HOSTIOPORT1+0x1b) /* PORT B */
44#define REV (HOSTIOPORT1+0x1c) /* revision */
45#define STACK (HOSTIOPORT1+0x1d) /* stack */
46#define TEST (HOSTIOPORT1+0x1e) /* test register */
47
48#define IO_RANGE 0x20
49
50/* used in aha152x_porttest */
51#define O_PORTA 0x1a /* PORT A */
52#define O_PORTB 0x1b /* PORT B */
53#define O_DMACNTRL1 0x13 /* DMA control 1 */
54#define O_STACK 0x1d /* stack */
55
56/* used in tc1550_porttest */
57#define O_TC_PORTA 0x0a /* PORT A */
58#define O_TC_PORTB 0x0b /* PORT B */
59#define O_TC_DMACNTRL1 0x03 /* DMA control 1 */
60#define O_TC_STACK 0x0d /* stack */
61
62/* bits and bitmasks to ports */
63
64/* SCSI sequence control */
65#define TEMODEO 0x80
66#define ENSELO 0x40
67#define ENSELI 0x20
68#define ENRESELI 0x10
69#define ENAUTOATNO 0x08
70#define ENAUTOATNI 0x04
71#define ENAUTOATNP 0x02
72#define SCSIRSTO 0x01
73
74/* SCSI transfer control 0 */
75#define SCSIEN 0x80
76#define DMAEN 0x40
77#define CH1 0x20
78#define CLRSTCNT 0x10
79#define SPIOEN 0x08
80#define CLRCH1 0x02
81
82/* SCSI transfer control 1 */
83#define BITBUCKET 0x80
84#define SWRAPEN 0x40
85#define ENSPCHK 0x20
86#define STIMESEL 0x18 /* mask */
87#define STIMESEL_ 3
88#define ENSTIMER 0x04
89#define BYTEALIGN 0x02
90
91/* SCSI signal IN */
92#define SIG_CDI 0x80
93#define SIG_IOI 0x40
94#define SIG_MSGI 0x20
95#define SIG_ATNI 0x10
96#define SIG_SELI 0x08
97#define SIG_BSYI 0x04
98#define SIG_REQI 0x02
99#define SIG_ACKI 0x01
100
101/* SCSI Phases */
102#define P_MASK (SIG_MSGI|SIG_CDI|SIG_IOI)
103#define P_DATAO (0)
104#define P_DATAI (SIG_IOI)
105#define P_CMD (SIG_CDI)
106#define P_STATUS (SIG_CDI|SIG_IOI)
107#define P_MSGO (SIG_MSGI|SIG_CDI)
108#define P_MSGI (SIG_MSGI|SIG_CDI|SIG_IOI)
109
110/* SCSI signal OUT */
111#define SIG_CDO 0x80
112#define SIG_IOO 0x40
113#define SIG_MSGO 0x20
114#define SIG_ATNO 0x10
115#define SIG_SELO 0x08
116#define SIG_BSYO 0x04
117#define SIG_REQO 0x02
118#define SIG_ACKO 0x01
119
120/* SCSI rate control */
121#define SXFR 0x70 /* mask */
122#define SXFR_ 4
123#define SOFS 0x0f /* mask */
124
125/* SCSI ID */
126#define OID 0x70
127#define OID_ 4
128#define TID 0x07
129
130/* SCSI transfer count */
131#define GETSTCNT() ( (GETPORT(STCNT2)<<16) \
132 + (GETPORT(STCNT1)<< 8) \
133 + GETPORT(STCNT0) )
134
135#define SETSTCNT(X) { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \
136 SETPORT(STCNT1, ((X) & 0x00FF00) >> 8); \
137 SETPORT(STCNT0, ((X) & 0x0000FF) ); }
138
139/* SCSI interrupt status */
140#define TARGET 0x80
141#define SELDO 0x40
142#define SELDI 0x20
143#define SELINGO 0x10
144#define SWRAP 0x08
145#define SDONE 0x04
146#define SPIORDY 0x02
147#define DMADONE 0x01
148
149#define SETSDONE 0x80
150#define CLRSELDO 0x40
151#define CLRSELDI 0x20
152#define CLRSELINGO 0x10
153#define CLRSWRAP 0x08
154#define CLRSDONE 0x04
155#define CLRSPIORDY 0x02
156#define CLRDMADONE 0x01
157
158/* SCSI status 1 */
159#define SELTO 0x80
160#define ATNTARG 0x40
161#define SCSIRSTI 0x20
162#define PHASEMIS 0x10
163#define BUSFREE 0x08
164#define SCSIPERR 0x04
165#define PHASECHG 0x02
166#define REQINIT 0x01
167
168#define CLRSELTIMO 0x80
169#define CLRATNO 0x40
170#define CLRSCSIRSTI 0x20
171#define CLRBUSFREE 0x08
172#define CLRSCSIPERR 0x04
173#define CLRPHASECHG 0x02
174#define CLRREQINIT 0x01
175
176/* SCSI status 2 */
177#define SOFFSET 0x20
178#define SEMPTY 0x10
179#define SFULL 0x08
180#define SFCNT 0x07 /* mask */
181
182/* SCSI status 3 */
183#define SCSICNT 0xf0 /* mask */
184#define SCSICNT_ 4
185#define OFFCNT 0x0f /* mask */
186
187/* SCSI TEST control */
188#define SCTESTU 0x08
189#define SCTESTD 0x04
190#define STCTEST 0x01
191
192/* SCSI status 4 */
193#define SYNCERR 0x04
194#define FWERR 0x02
195#define FRERR 0x01
196
197#define CLRSYNCERR 0x04
198#define CLRFWERR 0x02
199#define CLRFRERR 0x01
200
201/* SCSI interrupt mode 0 */
202#define ENSELDO 0x40
203#define ENSELDI 0x20
204#define ENSELINGO 0x10
205#define ENSWRAP 0x08
206#define ENSDONE 0x04
207#define ENSPIORDY 0x02
208#define ENDMADONE 0x01
209
210/* SCSI interrupt mode 1 */
211#define ENSELTIMO 0x80
212#define ENATNTARG 0x40
213#define ENSCSIRST 0x20
214#define ENPHASEMIS 0x10
215#define ENBUSFREE 0x08
216#define ENSCSIPERR 0x04
217#define ENPHASECHG 0x02
218#define ENREQINIT 0x01
219
220/* DMA control 0 */
221#define ENDMA 0x80
222#define _8BIT 0x40
223#define DMA 0x20
224#define WRITE_READ 0x08
225#define INTEN 0x04
226#define RSTFIFO 0x02
227#define SWINT 0x01
228
229/* DMA control 1 */
230#define PWRDWN 0x80
231#define STK 0x07 /* mask */
232
233/* DMA status */
234#define ATDONE 0x80
235#define WORDRDY 0x40
236#define INTSTAT 0x20
237#define DFIFOFULL 0x10
238#define DFIFOEMP 0x08
239
240/* BURST control */
241#define BON 0xf0
242#define BOFF 0x0f
243
244/* TEST REGISTER */
245#define BOFFTMR 0x40
246#define BONTMR 0x20
247#define STCNTH 0x10
248#define STCNTM 0x08
249#define STCNTL 0x04
250#define SCSIBLK 0x02
251#define DMABLK 0x01
252
253/* On the AHA-152x board PORTA and PORTB contain
254 some information about the board's configuration. */
255typedef union {
256 struct {
257 unsigned reserved:2; /* reserved */
258 unsigned tardisc:1; /* Target disconnect: 0=disabled, 1=enabled */
259 unsigned syncneg:1; /* Initial sync neg: 0=disabled, 1=enabled */
260 unsigned msgclasses:2; /* Message classes
261 0=#4
262 1=#0, #1, #2, #3, #4
263 2=#0, #3, #4
264 3=#0, #4
265 */
266 unsigned boot:1; /* boot: 0=disabled, 1=enabled */
267 unsigned dma:1; /* Transfer mode: 0=PIO; 1=DMA */
268 unsigned id:3; /* SCSI-id */
269 unsigned irq:2; /* IRQ-Channel: 0,3=12, 1=10, 2=11 */
270 unsigned dmachan:2; /* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */
271 unsigned parity:1; /* SCSI-parity: 1=enabled 0=disabled */
272 } fields;
273 unsigned short port;
274} aha152x_config ;
275
276#define cf_parity fields.parity
277#define cf_dmachan fields.dmachan
278#define cf_irq fields.irq
279#define cf_id fields.id
280#define cf_dma fields.dma
281#define cf_boot fields.boot
282#define cf_msgclasses fields.msgclasses
283#define cf_syncneg fields.syncneg
284#define cf_tardisc fields.tardisc
285#define cf_port port
286
287/* Some macros to manipulate ports and their bits */
288
289#define SETPORT(PORT, VAL) outb( (VAL), (PORT) )
290#define GETPORT(PORT) inb( PORT )
291#define SETBITS(PORT, BITS) outb( (inb(PORT) | (BITS)), (PORT) )
292#define CLRBITS(PORT, BITS) outb( (inb(PORT) & ~(BITS)), (PORT) )
293#define TESTHI(PORT, BITS) ((inb(PORT) & (BITS)) == (BITS))
294#define TESTLO(PORT, BITS) ((inb(PORT) & (BITS)) == 0)
295
296#define SETRATE(RATE) SETPORT(SCSIRATE,(RATE) & 0x7f)
297
298#if defined(AHA152X_DEBUG)
299enum {
300 debug_procinfo = 0x0001,
301 debug_queue = 0x0002,
302 debug_locking = 0x0004,
303 debug_intr = 0x0008,
304 debug_selection = 0x0010,
305 debug_msgo = 0x0020,
306 debug_msgi = 0x0040,
307 debug_status = 0x0080,
308 debug_cmd = 0x0100,
309 debug_datai = 0x0200,
310 debug_datao = 0x0400,
311 debug_eh = 0x0800,
312 debug_done = 0x1000,
313 debug_phases = 0x2000,
314};
315#endif
316
317/* for the pcmcia stub */
318struct aha152x_setup {
319 int io_port;
320 int irq;
321 int scsiid;
322 int reconnect;
323 int parity;
324 int synchronous;
325 int delay;
326 int ext_trans;
327 int tc1550;
328#if defined(AHA152X_DEBUG)
329 int debug;
330#endif
331 char *conf;
332};
333
334struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *);
335void aha152x_release(struct Scsi_Host *);
336int aha152x_host_reset_host(struct Scsi_Host *);
337
338#endif /* _AHA152X_H */
339

Warning: That file was not part of the compilation database. It may have many parsing errors.