1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
|
/*
* sim710.c - Copyright (C) 1999 Richard Hirst <richard@sleepie.demon.co.uk>
*
*----------------------------------------------------------------------------
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*----------------------------------------------------------------------------
*
* MCA card detection code by Trent McNair.
* Fixes to not explicitly nul bss data from Xavier Bestel.
* Some multiboard fixes from Rolf Eike Beer.
* Auto probing of EISA config space from Trevor Hemsley.
*
* Rewritten to use 53c700.c by James.Bottomley@SteelEye.com
*
*/
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/mca.h>
#include <linux/eisa.h>
#include <linux/interrupt.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_spi.h>
#include "53c700.h"
/* Must be enough for both EISA and MCA */
#define MAX_SLOTS 8
static __u8 __initdata id_array[MAX_SLOTS] = { [0 ... MAX_SLOTS-1] = 7 };
static char *sim710; /* command line passed by insmod */
MODULE_AUTHOR("Richard Hirst");
MODULE_DESCRIPTION("Simple NCR53C710 driver");
MODULE_LICENSE("GPL");
module_param(sim710, charp, 0);
#ifdef MODULE
#define ARG_SEP ' '
#else
#define ARG_SEP ','
#endif
static __init int
param_setup(char *str)
{
char *pos = str, *next;
int slot = -1;
while(pos != NULL && (next = strchr(pos, ':')) != NULL) {
int val = (int)simple_strtoul(++next, NULL, 0);
if(!strncmp(pos, "slot:", 5))
slot = val;
else if(!strncmp(pos, "id:", 3)) {
if(slot == -1) {
printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
} else if(slot >= MAX_SLOTS) {
printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
} else {
id_array[slot] = val;
}
}
if((pos = strchr(pos, ARG_SEP)) != NULL)
pos++;
}
return 1;
}
__setup("sim710=", param_setup);
static struct scsi_host_template sim710_driver_template = {
.name = "LSI (Symbios) 710 MCA/EISA",
.proc_name = "sim710",
.this_id = 7,
.module = THIS_MODULE,
};
static __devinit int
sim710_probe_common(struct device *dev, unsigned long base_addr,
int irq, int clock, int differential, int scsi_id)
{
struct Scsi_Host * host = NULL;
struct NCR_700_Host_Parameters *hostdata =
kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
printk(KERN_NOTICE "sim710: %s\n", dev->bus_id);
printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id = %d\n",
irq, clock, base_addr, scsi_id);
if(hostdata == NULL) {
printk(KERN_ERR "sim710: Failed to allocate host data\n");
goto out;
}
memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
if(request_region(base_addr, 64, "sim710") == NULL) {
printk(KERN_ERR "sim710: Failed to reserve IO region 0x%lx\n",
base_addr);
goto out_free;
}
/* Fill in the three required pieces of hostdata */
hostdata->base = ioport_map(base_addr, 64);
hostdata->differential = differential;
hostdata->clock = clock;
hostdata->chip710 = 1;
/* and register the chip */
if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))
== NULL) {
printk(KERN_ERR "sim710: No host detected; card configuration problem?\n");
goto out_release;
}
host->this_id = scsi_id;
host->base = base_addr;
host->irq = irq;
if (request_irq(irq, NCR_700_intr, IRQF_SHARED, "sim710", host)) {
printk(KERN_ERR "sim710: request_irq failed\n");
goto out_put_host;
}
scsi_scan_host(host);
return 0;
out_put_host:
scsi_host_put(host);
out_release:
release_region(base_addr, 64);
out_free:
kfree(hostdata);
out:
return -ENODEV;
}
static __devexit int
sim710_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_to_shost(dev);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
release_region(host->base, 64);
return 0;
}
#ifdef CONFIG_MCA
/* CARD ID 01BB and 01BA use the same pos values */
#define MCA_01BB_IO_PORTS { 0x0000, 0x0000, 0x0800, 0x0C00, 0x1000, 0x1400, \
0x1800, 0x1C00, 0x2000, 0x2400, 0x2800, \
0x2C00, 0x3000, 0x3400, 0x3800, 0x3C00, \
0x4000, 0x4400, 0x4800, 0x4C00, 0x5000 }
#define MCA_01BB_IRQS { 3, 5, 11, 14 }
/* CARD ID 004f */
#define MCA_004F_IO_PORTS { 0x0000, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600 }
#define MCA_004F_IRQS { 5, 9, 14 }
static short sim710_mca_id_table[] = { 0x01bb, 0x01ba, 0x004f, 0};
static __init int
sim710_mca_probe(struct device *dev)
{
struct mca_device *mca_dev = to_mca_device(dev);
int slot = mca_dev->slot;
int pos[3];
unsigned int base;
int irq_vector;
short id = sim710_mca_id_table[mca_dev->index];
static int io_004f_by_pos[] = MCA_004F_IO_PORTS;
static int irq_004f_by_pos[] = MCA_004F_IRQS;
static int io_01bb_by_pos[] = MCA_01BB_IO_PORTS;
static int irq_01bb_by_pos[] = MCA_01BB_IRQS;
char *name;
int clock;
pos[0] = mca_device_read_stored_pos(mca_dev, 2);
pos[1] = mca_device_read_stored_pos(mca_dev, 3);
pos[2] = mca_device_read_stored_pos(mca_dev, 4);
/*
* 01BB & 01BA port base by bits 7,6,5,4,3,2 in pos[2]
*
* 000000 <disabled> 001010 0x2800
* 000001 <invalid> 001011 0x2C00
* 000010 0x0800 001100 0x3000
* 000011 0x0C00 001101 0x3400
* 000100 0x1000 001110 0x3800
* 000101 0x1400 001111 0x3C00
* 000110 0x1800 010000 0x4000
* 000111 0x1C00 010001 0x4400
* 001000 0x2000 010010 0x4800
* 001001 0x2400 010011 0x4C00
* 010100 0x5000
*
* 00F4 port base by bits 3,2,1 in pos[0]
*
* 000 <disabled> 001 0x200
* 010 0x300 011 0x400
* 100 0x500 101 0x600
*
* 01BB & 01BA IRQ is specified in pos[0] bits 7 and 6:
*
* 00 3 10 11
* 01 5 11 14
*
* 00F4 IRQ specified by bits 6,5,4 in pos[0]
*
* 100 5 101 9
* 110 14
*/
if (id == 0x01bb || id == 0x01ba) {
base = io_01bb_by_pos[(pos[2] & 0xFC) >> 2];
irq_vector =
irq_01bb_by_pos[((pos[0] & 0xC0) >> 6)];
clock = 50;
if (id == 0x01bb)
name = "NCR 3360/3430 SCSI SubSystem";
else
name = "NCR Dual SIOP SCSI Host Adapter Board";
} else if ( id == 0x004f ) {
base = io_004f_by_pos[((pos[0] & 0x0E) >> 1)];
irq_vector =
irq_004f_by_pos[((pos[0] & 0x70) >> 4) - 4];
clock = 50;
name = "NCR 53c710 SCSI Host Adapter Board";
} else {
return -ENODEV;
}
mca_device_set_name(mca_dev, name);
mca_device_set_claim(mca_dev, 1);
base = mca_device_transform_ioport(mca_dev, base);
irq_vector = mca_device_transform_irq(mca_dev, irq_vector);
return sim710_probe_common(dev, base, irq_vector, clock,
0, id_array[slot]);
}
static struct mca_driver sim710_mca_driver = {
.id_table = sim710_mca_id_table,
.driver = {
.name = "sim710",
.bus = &mca_bus_type,
.probe = sim710_mca_probe,
.remove = __devexit_p(sim710_device_remove),
},
};
#endif /* CONFIG_MCA */
#ifdef CONFIG_EISA
static struct eisa_device_id sim710_eisa_ids[] = {
{ "CPQ4410" },
{ "CPQ4411" },
{ "HWP0C80" },
{ "" }
};
static __init int
sim710_eisa_probe(struct device *dev)
{
struct eisa_device *edev = to_eisa_device(dev);
unsigned long io_addr = edev->base_addr;
char eisa
|