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1/*
2 * sim710.c - Copyright (C) 1999 Richard Hirst <richard@sleepie.demon.co.uk>
3 *
4 *----------------------------------------------------------------------------
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 *----------------------------------------------------------------------------
19 *
20 * MCA card detection code by Trent McNair.
21 * Fixes to not explicitly nul bss data from Xavier Bestel.
22 * Some multiboard fixes from Rolf Eike Beer.
23 * Auto probing of EISA config space from Trevor Hemsley.
24 *
25 * Rewritten to use 53c700.c by James.Bottomley@SteelEye.com
26 *
27 */
28
29#include <linux/module.h>
30#include <linux/slab.h>
31
32#include <linux/blkdev.h>
33#include <linux/device.h>
34#include <linux/init.h>
35#include <linux/mca.h>
36#include <linux/eisa.h>
37#include <linux/interrupt.h>
38#include <scsi/scsi_host.h>
39#include <scsi/scsi_device.h>
40#include <scsi/scsi_transport.h>
41#include <scsi/scsi_transport_spi.h>
42
43#include "53c700.h"
44
45
46/* Must be enough for both EISA and MCA */
47#define MAX_SLOTS 8
48static __u8 __initdata id_array[MAX_SLOTS] = { [0 ... MAX_SLOTS-1] = 7 };
49
50static char *sim710; /* command line passed by insmod */
51
52MODULE_AUTHOR("Richard Hirst");
53MODULE_DESCRIPTION("Simple NCR53C710 driver");
54MODULE_LICENSE("GPL");
55
56module_param(sim710, charp, 0);
57
58#ifdef MODULE
59#define ARG_SEP ' '
60#else
61#define ARG_SEP ','
62#endif
63
64static __init int
65param_setup(char *str)
66{
67 char *pos = str, *next;
68 int slot = -1;
69
70 while(pos != NULL && (next = strchr(pos, ':')) != NULL) {
71 int val = (int)simple_strtoul(++next, NULL, 0);
72
73 if(!strncmp(pos, "slot:", 5))
74 slot = val;
75 else if(!strncmp(pos, "id:", 3)) {
76 if(slot == -1) {
77 printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
78 } else if(slot >= MAX_SLOTS) {
79 printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
80 } else {
81 id_array[slot] = val;
82 }
83 }
84 if((pos = strchr(pos, ARG_SEP)) != NULL)
85 pos++;
86 }
87 return 1;
88}
89__setup("sim710=", param_setup);
90
91static struct scsi_host_template sim710_driver_template = {
92 .name = "LSI (Symbios) 710 MCA/EISA",
93 .proc_name = "sim710",
94 .this_id = 7,
95 .module = THIS_MODULE,
96};
97
98static __devinit int
99sim710_probe_common(struct device *dev, unsigned long base_addr,
100 int irq, int clock, int differential, int scsi_id)
101{
102 struct Scsi_Host * host = NULL;
103 struct NCR_700_Host_Parameters *hostdata =
104 kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
105
106 printk(KERN_NOTICE "sim710: %s\n", dev_name(dev));
107 printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id = %d\n",
108 irq, clock, base_addr, scsi_id);
109
110 if(hostdata == NULL) {
111 printk(KERN_ERR "sim710: Failed to allocate host data\n");
112 goto out;
113 }
114
115 if(request_region(base_addr, 64, "sim710") == NULL) {
116 printk(KERN_ERR "sim710: Failed to reserve IO region 0x%lx\n",
117 base_addr);
118 goto out_free;
119 }
120
121 /* Fill in the three required pieces of hostdata */
122 hostdata->base = ioport_map(base_addr, 64);
123 hostdata->differential = differential;
124 hostdata->clock = clock;
125 hostdata->chip710 = 1;
126 hostdata->burst_length = 8;
127
128 /* and register the chip */
129 if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))
130 == NULL) {
131 printk(KERN_ERR "sim710: No host detected; card configuration problem?\n");
132 goto out_release;
133 }
134 host->this_id = scsi_id;
135 host->base = base_addr;
136 host->irq = irq;
137 if (request_irq(irq, NCR_700_intr, IRQF_SHARED, "sim710", host)) {
138 printk(KERN_ERR "sim710: request_irq failed\n");
139 goto out_put_host;
140 }
141
142 dev_set_drvdata(dev, host);
143 scsi_scan_host(host);
144
145 return 0;
146
147 out_put_host:
148 scsi_host_put(host);
149 out_release:
150 release_region(base_addr, 64);
151 out_free:
152 kfree(hostdata);
153 out:
154 return -ENODEV;
155}
156
157static __devexit int
158sim710_device_remove(struct device *dev)
159{
160 struct Scsi_Host *host = dev_get_drvdata(dev);
161 struct NCR_700_Host_Parameters *hostdata =
162 (struct NCR_700_Host_Parameters *)host->hostdata[0];
163
164 scsi_remove_host(host);
165 NCR_700_release(host);
166 kfree(hostdata);
167 free_irq(host->irq, host);
168 release_region(host->base, 64);
169 return 0;
170}
171
172#ifdef CONFIG_MCA
173
174/* CARD ID 01BB and 01BA use the same pos values */
175#define MCA_01BB_IO_PORTS { 0x0000, 0x0000, 0x0800, 0x0C00, 0x1000, 0x1400, \
176 0x1800, 0x1C00, 0x2000, 0x2400, 0x2800, \
177 0x2C00, 0x3000, 0x3400, 0x3800, 0x3C00, \
178 0x4000, 0x4400, 0x4800, 0x4C00, 0x5000 }
179
180#define MCA_01BB_IRQS { 3, 5, 11, 14 }
181
182/* CARD ID 004f */
183#define MCA_004F_IO_PORTS { 0x0000, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600 }
184#define MCA_004F_IRQS { 5, 9, 14 }
185
186static short sim710_mca_id_table[] = { 0x01bb, 0x01ba, 0x004f, 0};
187
188static __init int
189sim710_mca_probe(struct device *dev)
190{
191 struct mca_device *mca_dev = to_mca_device(dev);
192 int slot = mca_dev->slot;
193 int pos[3];
194 unsigned int base;
195 int irq_vector;
196 short id = sim710_mca_id_table[mca_dev->index];
197 static int io_004f_by_pos[] = MCA_004F_IO_PORTS;
198 static int irq_004f_by_pos[] = MCA_004F_IRQS;
199 static int io_01bb_by_pos[] = MCA_01BB_IO_PORTS;
200 static int irq_01bb_by_pos[] = MCA_01BB_IRQS;
201 char *name;
202 int clock;
203
204 pos[0] = mca_device_read_stored_pos(mca_dev, 2);
205 pos[1] = mca_device_read_stored_pos(mca_dev, 3);
206 pos[2] = mca_device_read_stored_pos(mca_dev, 4);
207
208 /*
209 * 01BB & 01BA port base by bits 7,6,5,4,3,2 in pos[2]
210 *
211 * 000000 <disabled> 001010 0x2800
212 * 000001 <invalid> 001011 0x2C00
213 * 000010 0x0800 001100 0x3000
214 * 000011 0x0C00 001101 0x3400
215 * 000100 0x1000 001110 0x3800
216 * 000101 0x1400 001111 0x3C00
217 * 000110 0x1800 010000 0x4000
218 * 000111 0x1C00 010001 0x4400
219 * 001000 0x2000 010010 0x4800
220 * 001001 0x2400 010011 0x4C00
221 * 010100 0x5000
222 *
223 * 00F4 port base by bits 3,2,1 in pos[0]
224 *
225 * 000 <disabled> 001 0x200
226 * 010 0x300 011 0x400
227 * 100 0x500 101 0x600
228 *
229 * 01BB & 01BA IRQ is specified in pos[0] bits 7 and 6:
230 *
231 * 00 3 10 11
232 * 01 5 11 14
233 *
234 * 00F4 IRQ specified by bits 6,5,4 in pos[0]
235 *
236 * 100 5 101 9
237 * 110 14
238 */
239
240 if (id == 0x01bb || id == 0x01ba) {
241 base = io_01bb_by_pos[(pos[2] & 0xFC) >> 2];
242 irq_vector =
243 irq_01bb_by_pos[((pos[0] & 0xC0) >> 6)];
244
245 clock = 50;
246 if (id == 0x01bb)
247 name = "NCR 3360/3430 SCSI SubSystem";
248 else
249 name = "NCR Dual SIOP SCSI Host Adapter Board";
250 } else if ( id == 0x004f ) {
251 base = io_004f_by_pos[((pos[0] & 0x0E) >> 1)];
252 irq_vector =
253 irq_004f_by_pos[((pos[0] & 0x70) >> 4) - 4];
254 clock = 50;
255 name = "NCR 53c710 SCSI Host Adapter Board";
256 } else {
257 return -ENODEV;
258 }
259 mca_device_set_name(mca_dev, name);
260 mca_device_set_claim(mca_dev, 1);
261 base = mca_device_transform_ioport(mca_dev, base);
262 irq_vector = mca_device_transform_irq(mca_dev, irq_vector);
263
264 return sim710_probe_common(dev, base, irq_vector, clock,
265 0, id_array[slot]);
266}
267
268static struct mca_driver sim710_mca_driver = {
269 .id_table = sim710_mca_id_table,
270 .driver = {
271 .name = "sim710",
272 .bus = &mca_bus_type,
273 .probe = sim710_mca_probe,
274 .remove = __devexit_p(sim710_device_remove),
275 },
276};
277
278#endif /* CONFIG_MCA */
279
280#ifdef CONFIG_EISA
281static struct eisa_device_id sim710_eisa_ids[] = {
282 { "CPQ4410" },
283 { "CPQ4411" },
284 { "HWP0C80" },
285 { "" }
286};
287MODULE_DEVICE_TABLE(eisa, sim710_eisa_ids);
288
289static __init int
290sim710_eisa_probe(struct device *dev)
291{
292 struct eisa_device *edev = to_eisa_device(dev);
293 unsigned long io_addr = edev->base_addr;
294 char eisa_cpq_irqs[] = { 11, 14, 15, 10, 9, 0 };
295 char eisa_hwp_irqs[] = { 3, 4, 5, 7, 12, 10, 11, 0};
296 char *eisa_irqs;
297 unsigned char irq_index;
298 unsigned char irq, differential = 0, scsi_id = 7;
299
300 if(strcmp(edev->id.sig, "HWP0C80") == 0) {
301 __u8 val;
302 eisa_irqs = eisa_hwp_irqs;
303 irq_index = (inb(io_addr + 0xc85) & 0x7) - 1;
304
305 val = inb(io_addr + 0x4);
306 scsi_id = ffs(val) - 1;
307
308 if(scsi_id > 7 || (val & ~(1<<scsi_id)) != 0) {
309 printk(KERN_ERR "sim710.c, EISA card %s has incorrect scsi_id, setting to 7\n", dev_name(dev));
310 scsi_id = 7;
311 }
312 } else {
313 eisa_irqs = eisa_cpq_irqs;
314 irq_index = inb(io_addr + 0xc88) & 0x07;
315 }
316
317 if(irq_index >= strlen(eisa_irqs)) {
318 printk("sim710.c: irq nasty\n");
319 return -ENODEV;
320 }
321
322 irq = eisa_irqs[irq_index];
323
324 return sim710_probe_common(dev, io_addr, irq, 50,
325 differential, scsi_id);
326}
327
328static struct eisa_driver sim710_eisa_driver = {
329 .id_table = sim710_eisa_ids,
330 .driver = {
331 .name = "sim710",
332 .probe = sim710_eisa_probe,
333 .remove = __devexit_p(sim710_device_remove),
334 },
335};
336#endif /* CONFIG_EISA */
337
338static int __init sim710_init(void)
339{
340 int err = -ENODEV;
341
342#ifdef MODULE
343 if (sim710)
344 param_setup(sim710);
345#endif
346
347#ifdef CONFIG_MCA
348 err = mca_register_driver(&sim710_mca_driver);
349#endif
350
351#ifdef CONFIG_EISA
352 err = eisa_driver_register(&sim710_eisa_driver);
353#endif
354 /* FIXME: what we'd really like to return here is -ENODEV if
355 * no devices have actually been found. Instead, the err
356 * above actually only reports problems with kobject_register,
357 * so for the moment return success */
358
359 return 0;
360}
361
362static void __exit sim710_exit(void)
363{
364#ifdef CONFIG_MCA
365 if (MCA_bus)
366 mca_unregister_driver(&sim710_mca_driver);
367#endif
368
369#ifdef CONFIG_EISA
370 eisa_driver_unregister(&sim710_eisa_driver);
371#endif
372}
373
374module_init(sim710_init);
375module_exit(sim710_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * sim710.c - Copyright (C) 1999 Richard Hirst <richard@sleepie.demon.co.uk>
4 *
5 *----------------------------------------------------------------------------
6 *----------------------------------------------------------------------------
7 *
8 * MCA card detection code by Trent McNair. (now deleted)
9 * Fixes to not explicitly nul bss data from Xavier Bestel.
10 * Some multiboard fixes from Rolf Eike Beer.
11 * Auto probing of EISA config space from Trevor Hemsley.
12 *
13 * Rewritten to use 53c700.c by James.Bottomley@SteelEye.com
14 */
15
16#include <linux/module.h>
17#include <linux/slab.h>
18
19#include <linux/blkdev.h>
20#include <linux/device.h>
21#include <linux/init.h>
22#include <linux/eisa.h>
23#include <linux/interrupt.h>
24#include <scsi/scsi_host.h>
25#include <scsi/scsi_device.h>
26#include <scsi/scsi_transport.h>
27#include <scsi/scsi_transport_spi.h>
28
29#include "53c700.h"
30
31
32/* Must be enough for EISA */
33#define MAX_SLOTS 8
34static __u8 __initdata id_array[MAX_SLOTS] = { [0 ... MAX_SLOTS-1] = 7 };
35
36static char *sim710; /* command line passed by insmod */
37
38MODULE_AUTHOR("Richard Hirst");
39MODULE_DESCRIPTION("Simple NCR53C710 driver");
40MODULE_LICENSE("GPL");
41
42module_param(sim710, charp, 0);
43
44#ifdef MODULE
45#define ARG_SEP ' '
46#else
47#define ARG_SEP ','
48#endif
49
50static __init int
51param_setup(char *str)
52{
53 char *pos = str, *next;
54 int slot = -1;
55
56 while(pos != NULL && (next = strchr(pos, ':')) != NULL) {
57 int val = (int)simple_strtoul(++next, NULL, 0);
58
59 if(!strncmp(pos, "slot:", 5))
60 slot = val;
61 else if(!strncmp(pos, "id:", 3)) {
62 if(slot == -1) {
63 printk(KERN_WARNING "sim710: Must specify slot for id parameter\n");
64 } else if(slot >= MAX_SLOTS) {
65 printk(KERN_WARNING "sim710: Illegal slot %d for id %d\n", slot, val);
66 } else {
67 id_array[slot] = val;
68 }
69 }
70 if((pos = strchr(pos, ARG_SEP)) != NULL)
71 pos++;
72 }
73 return 1;
74}
75__setup("sim710=", param_setup);
76
77static struct scsi_host_template sim710_driver_template = {
78 .name = "LSI (Symbios) 710 EISA",
79 .proc_name = "sim710",
80 .this_id = 7,
81 .module = THIS_MODULE,
82};
83
84static int sim710_probe_common(struct device *dev, unsigned long base_addr,
85 int irq, int clock, int differential,
86 int scsi_id)
87{
88 struct Scsi_Host * host = NULL;
89 struct NCR_700_Host_Parameters *hostdata =
90 kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
91
92 printk(KERN_NOTICE "sim710: %s\n", dev_name(dev));
93 printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id = %d\n",
94 irq, clock, base_addr, scsi_id);
95
96 if(hostdata == NULL) {
97 printk(KERN_ERR "sim710: Failed to allocate host data\n");
98 goto out;
99 }
100
101 if(request_region(base_addr, 64, "sim710") == NULL) {
102 printk(KERN_ERR "sim710: Failed to reserve IO region 0x%lx\n",
103 base_addr);
104 goto out_free;
105 }
106
107 /* Fill in the three required pieces of hostdata */
108 hostdata->base = ioport_map(base_addr, 64);
109 hostdata->differential = differential;
110 hostdata->clock = clock;
111 hostdata->chip710 = 1;
112 hostdata->burst_length = 8;
113
114 /* and register the chip */
115 if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))
116 == NULL) {
117 printk(KERN_ERR "sim710: No host detected; card configuration problem?\n");
118 goto out_release;
119 }
120 host->this_id = scsi_id;
121 host->base = base_addr;
122 host->irq = irq;
123 if (request_irq(irq, NCR_700_intr, IRQF_SHARED, "sim710", host)) {
124 printk(KERN_ERR "sim710: request_irq failed\n");
125 goto out_put_host;
126 }
127
128 dev_set_drvdata(dev, host);
129 scsi_scan_host(host);
130
131 return 0;
132
133 out_put_host:
134 scsi_host_put(host);
135 out_release:
136 release_region(base_addr, 64);
137 out_free:
138 kfree(hostdata);
139 out:
140 return -ENODEV;
141}
142
143static int sim710_device_remove(struct device *dev)
144{
145 struct Scsi_Host *host = dev_get_drvdata(dev);
146 struct NCR_700_Host_Parameters *hostdata =
147 (struct NCR_700_Host_Parameters *)host->hostdata[0];
148
149 scsi_remove_host(host);
150 NCR_700_release(host);
151 kfree(hostdata);
152 free_irq(host->irq, host);
153 release_region(host->base, 64);
154 return 0;
155}
156
157#ifdef CONFIG_EISA
158static struct eisa_device_id sim710_eisa_ids[] = {
159 { "CPQ4410" },
160 { "CPQ4411" },
161 { "HWP0C80" },
162 { "" }
163};
164MODULE_DEVICE_TABLE(eisa, sim710_eisa_ids);
165
166static int sim710_eisa_probe(struct device *dev)
167{
168 struct eisa_device *edev = to_eisa_device(dev);
169 unsigned long io_addr = edev->base_addr;
170 char eisa_cpq_irqs[] = { 11, 14, 15, 10, 9, 0 };
171 char eisa_hwp_irqs[] = { 3, 4, 5, 7, 12, 10, 11, 0};
172 char *eisa_irqs;
173 unsigned char irq_index;
174 unsigned char irq, differential = 0, scsi_id = 7;
175
176 if(strcmp(edev->id.sig, "HWP0C80") == 0) {
177 __u8 val;
178 eisa_irqs = eisa_hwp_irqs;
179 irq_index = (inb(io_addr + 0xc85) & 0x7) - 1;
180
181 val = inb(io_addr + 0x4);
182 scsi_id = ffs(val) - 1;
183
184 if(scsi_id > 7 || (val & ~(1<<scsi_id)) != 0) {
185 printk(KERN_ERR "sim710.c, EISA card %s has incorrect scsi_id, setting to 7\n", dev_name(dev));
186 scsi_id = 7;
187 }
188 } else {
189 eisa_irqs = eisa_cpq_irqs;
190 irq_index = inb(io_addr + 0xc88) & 0x07;
191 }
192
193 if(irq_index >= strlen(eisa_irqs)) {
194 printk("sim710.c: irq nasty\n");
195 return -ENODEV;
196 }
197
198 irq = eisa_irqs[irq_index];
199
200 return sim710_probe_common(dev, io_addr, irq, 50,
201 differential, scsi_id);
202}
203
204static struct eisa_driver sim710_eisa_driver = {
205 .id_table = sim710_eisa_ids,
206 .driver = {
207 .name = "sim710",
208 .probe = sim710_eisa_probe,
209 .remove = sim710_device_remove,
210 },
211};
212#endif /* CONFIG_EISA */
213
214static int __init sim710_init(void)
215{
216 int err = -ENODEV;
217
218#ifdef MODULE
219 if (sim710)
220 param_setup(sim710);
221#endif
222
223#ifdef CONFIG_EISA
224 err = eisa_driver_register(&sim710_eisa_driver);
225#endif
226 /* FIXME: what we'd really like to return here is -ENODEV if
227 * no devices have actually been found. Instead, the err
228 * above actually only reports problems with kobject_register,
229 * so for the moment return success */
230
231 return 0;
232}
233
234static void __exit sim710_exit(void)
235{
236#ifdef CONFIG_EISA
237 eisa_driver_unregister(&sim710_eisa_driver);
238#endif
239}
240
241module_init(sim710_init);
242module_exit(sim710_exit);