diff options
Diffstat (limited to 'drivers/isdn/hardware/avm/b1isa.c')
-rw-r--r-- | drivers/isdn/hardware/avm/b1isa.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/avm/b1isa.c b/drivers/isdn/hardware/avm/b1isa.c new file mode 100644 index 000000000000..38bd4dfecbd1 --- /dev/null +++ b/drivers/isdn/hardware/avm/b1isa.c | |||
@@ -0,0 +1,245 @@ | |||
1 | /* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $ | ||
2 | * | ||
3 | * Module for AVM B1 ISA-card. | ||
4 | * | ||
5 | * Copyright 1999 by Carsten Paeth <calle@calle.de> | ||
6 | * | ||
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 | |||
83 | if ( card->port != 0x150 && card->port != 0x250 | ||
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; | ||
124 | cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc; | ||
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 | |||
139 | err_free_irq: | ||
140 | free_irq(card->irq, card); | ||
141 | err_release_region: | ||
142 | release_region(card->port, AVMB1_PORTLEN); | ||
143 | err_free: | ||
144 | b1_free_card(card); | ||
145 | err: | ||
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 | |||
172 | MODULE_PARM(io, "1-" __MODULE_STRING(MAX_CARDS) "i"); | ||
173 | MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_CARDS) "i"); | ||
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 | |||
206 | if ((p = strchr(revision, ':')) != 0 && p[1]) { | ||
207 | strlcpy(rev, p + 2, 32); | ||
208 | if ((p = strchr(rev, '$')) != 0 && p > rev) | ||
209 | *(p-1) = 0; | ||
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++) { | ||
236 | if (!io[i]) | ||
237 | break; | ||
238 | |||
239 | b1isa_remove(&isa_dev[i]); | ||
240 | } | ||
241 | unregister_capi_driver(&capi_driver_b1isa); | ||
242 | } | ||
243 | |||
244 | module_init(b1isa_init); | ||
245 | module_exit(b1isa_exit); | ||