Commit | Line | Data |
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1da177e4 | 1 | /* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $ |
475be4d8 | 2 | * |
1da177e4 | 3 | * Module for AVM B1 ISA-card. |
475be4d8 | 4 | * |
1da177e4 | 5 | * Copyright 1999 by Carsten Paeth <calle@calle.de> |
475be4d8 | 6 | * |
1da177e4 LT |
7 | * This software may be used and distributed according to the terms |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/skbuff.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/mm.h> | |
17 | #include <linux/interrupt.h> | |
18 | #include <linux/ioport.h> | |
19 | #include <linux/capi.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/pci.h> | |
22 | #include <asm/io.h> | |
23 | #include <linux/isdn/capicmd.h> | |
24 | #include <linux/isdn/capiutil.h> | |
25 | #include <linux/isdn/capilli.h> | |
26 | #include "avmcard.h" | |
27 | ||
28 | /* ------------------------------------------------------------- */ | |
29 | ||
30 | static char *revision = "$Revision: 1.1.2.3 $"; | |
31 | ||
32 | /* ------------------------------------------------------------- */ | |
33 | ||
34 | MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 ISA card"); | |
35 | MODULE_AUTHOR("Carsten Paeth"); | |
36 | MODULE_LICENSE("GPL"); | |
37 | ||
38 | /* ------------------------------------------------------------- */ | |
39 | ||
40 | static void b1isa_remove(struct pci_dev *pdev) | |
41 | { | |
42 | avmctrl_info *cinfo = pci_get_drvdata(pdev); | |
43 | avmcard *card; | |
44 | ||
45 | if (!cinfo) | |
46 | return; | |
47 | ||
48 | card = cinfo->card; | |
49 | ||
50 | b1_reset(card->port); | |
51 | b1_reset(card->port); | |
52 | ||
53 | detach_capi_ctr(&cinfo->capi_ctrl); | |
54 | free_irq(card->irq, card); | |
55 | release_region(card->port, AVMB1_PORTLEN); | |
56 | b1_free_card(card); | |
57 | } | |
58 | ||
59 | /* ------------------------------------------------------------- */ | |
60 | ||
61 | static char *b1isa_procinfo(struct capi_ctr *ctrl); | |
62 | ||
63 | static int b1isa_probe(struct pci_dev *pdev) | |
64 | { | |
65 | avmctrl_info *cinfo; | |
66 | avmcard *card; | |
67 | int retval; | |
68 | ||
69 | card = b1_alloc_card(1); | |
70 | if (!card) { | |
71 | printk(KERN_WARNING "b1isa: no memory.\n"); | |
72 | retval = -ENOMEM; | |
73 | goto err; | |
74 | } | |
75 | ||
76 | cinfo = card->ctrlinfo; | |
77 | ||
78 | card->port = pci_resource_start(pdev, 0); | |
79 | card->irq = pdev->irq; | |
80 | card->cardtype = avm_b1isa; | |
81 | sprintf(card->name, "b1isa-%x", card->port); | |
82 | ||
475be4d8 | 83 | if (card->port != 0x150 && card->port != 0x250 |
1da177e4 LT |
84 | && card->port != 0x300 && card->port != 0x340) { |
85 | printk(KERN_WARNING "b1isa: invalid port 0x%x.\n", card->port); | |
86 | retval = -EINVAL; | |
87 | goto err_free; | |
88 | } | |
89 | if (b1_irq_table[card->irq & 0xf] == 0) { | |
90 | printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq); | |
91 | retval = -EINVAL; | |
92 | goto err_free; | |
93 | } | |
94 | if (!request_region(card->port, AVMB1_PORTLEN, card->name)) { | |
95 | printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n", | |
96 | card->port, card->port + AVMB1_PORTLEN); | |
97 | retval = -EBUSY; | |
98 | goto err_free; | |
99 | } | |
100 | retval = request_irq(card->irq, b1_interrupt, 0, card->name, card); | |
101 | if (retval) { | |
102 | printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq); | |
103 | goto err_release_region; | |
104 | } | |
105 | b1_reset(card->port); | |
106 | if ((retval = b1_detect(card->port, card->cardtype)) != 0) { | |
107 | printk(KERN_NOTICE "b1isa: NO card at 0x%x (%d)\n", | |
108 | card->port, retval); | |
109 | retval = -ENODEV; | |
110 | goto err_free_irq; | |
111 | } | |
112 | b1_reset(card->port); | |
113 | b1_getrevision(card); | |
114 | ||
115 | cinfo->capi_ctrl.owner = THIS_MODULE; | |
116 | cinfo->capi_ctrl.driver_name = "b1isa"; | |
117 | cinfo->capi_ctrl.driverdata = cinfo; | |
118 | cinfo->capi_ctrl.register_appl = b1_register_appl; | |
119 | cinfo->capi_ctrl.release_appl = b1_release_appl; | |
120 | cinfo->capi_ctrl.send_message = b1_send_message; | |
121 | cinfo->capi_ctrl.load_firmware = b1_load_firmware; | |
122 | cinfo->capi_ctrl.reset_ctr = b1_reset_ctr; | |
123 | cinfo->capi_ctrl.procinfo = b1isa_procinfo; | |
9a58a80a | 124 | cinfo->capi_ctrl.proc_fops = &b1ctl_proc_fops; |
1da177e4 LT |
125 | strcpy(cinfo->capi_ctrl.name, card->name); |
126 | ||
127 | retval = attach_capi_ctr(&cinfo->capi_ctrl); | |
128 | if (retval) { | |
129 | printk(KERN_ERR "b1isa: attach controller failed.\n"); | |
130 | goto err_free_irq; | |
131 | } | |
132 | ||
133 | printk(KERN_INFO "b1isa: AVM B1 ISA at i/o %#x, irq %d, revision %d\n", | |
134 | card->port, card->irq, card->revision); | |
135 | ||
136 | pci_set_drvdata(pdev, cinfo); | |
137 | return 0; | |
138 | ||
475be4d8 | 139 | err_free_irq: |
1da177e4 | 140 | free_irq(card->irq, card); |
475be4d8 | 141 | err_release_region: |
1da177e4 | 142 | release_region(card->port, AVMB1_PORTLEN); |
475be4d8 | 143 | err_free: |
1da177e4 | 144 | b1_free_card(card); |
475be4d8 | 145 | err: |
1da177e4 LT |
146 | return retval; |
147 | } | |
148 | ||
149 | static char *b1isa_procinfo(struct capi_ctr *ctrl) | |
150 | { | |
151 | avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); | |
152 | ||
153 | if (!cinfo) | |
154 | return ""; | |
155 | sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d", | |
156 | cinfo->cardname[0] ? cinfo->cardname : "-", | |
157 | cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-", | |
158 | cinfo->card ? cinfo->card->port : 0x0, | |
159 | cinfo->card ? cinfo->card->irq : 0, | |
160 | cinfo->card ? cinfo->card->revision : 0 | |
161 | ); | |
162 | return cinfo->infobuf; | |
163 | } | |
164 | ||
165 | /* ------------------------------------------------------------- */ | |
166 | ||
167 | #define MAX_CARDS 4 | |
168 | static struct pci_dev isa_dev[MAX_CARDS]; | |
169 | static int io[MAX_CARDS]; | |
170 | static int irq[MAX_CARDS]; | |
171 | ||
8d3b33f6 RR |
172 | module_param_array(io, int, NULL, 0); |
173 | module_param_array(irq, int, NULL, 0); | |
1da177e4 LT |
174 | MODULE_PARM_DESC(io, "I/O base address(es)"); |
175 | MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); | |
176 | ||
177 | static int b1isa_add_card(struct capi_driver *driver, capicardparams *data) | |
178 | { | |
179 | int i; | |
180 | ||
181 | for (i = 0; i < MAX_CARDS; i++) { | |
182 | if (isa_dev[i].resource[0].start) | |
183 | continue; | |
184 | ||
185 | isa_dev[i].resource[0].start = data->port; | |
186 | isa_dev[i].irq = data->irq; | |
187 | ||
188 | if (b1isa_probe(&isa_dev[i]) == 0) | |
189 | return 0; | |
190 | } | |
191 | return -ENODEV; | |
192 | } | |
193 | ||
194 | static struct capi_driver capi_driver_b1isa = { | |
195 | .name = "b1isa", | |
196 | .revision = "1.0", | |
197 | .add_card = b1isa_add_card, | |
198 | }; | |
199 | ||
200 | static int __init b1isa_init(void) | |
201 | { | |
202 | char *p; | |
203 | char rev[32]; | |
204 | int i; | |
205 | ||
8e44b29d | 206 | if ((p = strchr(revision, ':')) != NULL && p[1]) { |
1da177e4 | 207 | strlcpy(rev, p + 2, 32); |
8e44b29d | 208 | if ((p = strchr(rev, '$')) != NULL && p > rev) |
475be4d8 | 209 | *(p - 1) = 0; |
1da177e4 LT |
210 | } else |
211 | strcpy(rev, "1.0"); | |
212 | ||
213 | for (i = 0; i < MAX_CARDS; i++) { | |
214 | if (!io[i]) | |
215 | break; | |
216 | ||
217 | isa_dev[i].resource[0].start = io[i]; | |
218 | isa_dev[i].irq = irq[i]; | |
219 | ||
220 | if (b1isa_probe(&isa_dev[i]) != 0) | |
221 | return -ENODEV; | |
222 | } | |
223 | ||
224 | strlcpy(capi_driver_b1isa.revision, rev, 32); | |
225 | register_capi_driver(&capi_driver_b1isa); | |
226 | printk(KERN_INFO "b1isa: revision %s\n", rev); | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
231 | static void __exit b1isa_exit(void) | |
232 | { | |
233 | int i; | |
234 | ||
235 | for (i = 0; i < MAX_CARDS; i++) { | |
1c594c05 WK |
236 | if (isa_dev[i].resource[0].start) |
237 | b1isa_remove(&isa_dev[i]); | |
1da177e4 LT |
238 | } |
239 | unregister_capi_driver(&capi_driver_b1isa); | |
240 | } | |
241 | ||
242 | module_init(b1isa_init); | |
243 | module_exit(b1isa_exit); |