OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [isdn/] [avmb1/] [t1pci.c] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1275 phoenix 
/* $Id: t1pci.c,v 1.1.1.1 2004-04-15 02:04:16 phoenix Exp $
2 
 *
3 
 * Module for AVM T1 PCI-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/config.h>
13 
#include <linux/module.h>
14 
#include <linux/kernel.h>
15 
#include <linux/skbuff.h>
16 
#include <linux/delay.h>
17 
#include <linux/mm.h>
18 
#include <linux/interrupt.h>
19 
#include <linux/ioport.h>
20 
#include <linux/pci.h>
21 
#include <linux/capi.h>
22 
#include <linux/init.h>
23 
#include <asm/io.h>
24 
#include "capicmd.h"
25 
#include "capiutil.h"
26 
#include "capilli.h"
27 
#include "avmcard.h"
28 
 
29 
static char *revision = "$Revision: 1.1.1.1 $";
30 
 
31 
#undef CONFIG_T1PCI_DEBUG
32 
#undef CONFIG_T1PCI_POLLDEBUG
33 
 
34 
/* ------------------------------------------------------------- */
35 
 
36 
static struct pci_device_id t1pci_pci_tbl[] __initdata = {
37 
        { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_T1, PCI_ANY_ID, PCI_ANY_ID },
38 
        { }                             /* Terminating entry */
39 
};
40 
 
41 
MODULE_DEVICE_TABLE(pci, t1pci_pci_tbl);
42 
MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM T1 PCI card");
43 
MODULE_AUTHOR("Carsten Paeth");
44 
MODULE_LICENSE("GPL");
45 
 
46 
/* ------------------------------------------------------------- */
47 
 
48 
static struct capi_driver_interface *di;
49 
 
50 
/* ------------------------------------------------------------- */
51 
 
52 
static void t1pci_remove_ctr(struct capi_ctr *ctrl)
53 
{
54 
        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
55 
        avmcard *card = cinfo->card;
56 
 
57 
        b1dma_reset(card);
58 
 
59 
        di->detach_ctr(ctrl);
60 
        free_irq(card->irq, card);
61 
        iounmap(card->mbase);
62 
        release_region(card->port, AVMB1_PORTLEN);
63 
        ctrl->driverdata = 0;
64 
        kfree(card->ctrlinfo);
65 
        kfree(card->dma);
66 
        kfree(card);
67 
 
68 
        MOD_DEC_USE_COUNT;
69 
}
70 
 
71 
/* ------------------------------------------------------------- */
72 
 
73 
static int t1pci_add_card(struct capi_driver *driver, struct capicardparams *p)
74 
{
75 
        avmcard *card;
76 
        avmctrl_info *cinfo;
77 
        int retval;
78 
 
79 
        MOD_INC_USE_COUNT;
80 
 
81 
        card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC);
82 
 
83 
        if (!card) {
84 
                printk(KERN_WARNING "%s: no memory.\n", driver->name);
85 
                MOD_DEC_USE_COUNT;
86 
                return -ENOMEM;
87 
        }
88 
        memset(card, 0, sizeof(avmcard));
89 
        card->dma = (avmcard_dmainfo *) kmalloc(sizeof(avmcard_dmainfo), GFP_ATOMIC);
90 
        if (!card->dma) {
91 
                printk(KERN_WARNING "%s: no memory.\n", driver->name);
92 
                kfree(card);
93 
                MOD_DEC_USE_COUNT;
94 
                return -ENOMEM;
95 
        }
96 
        memset(card->dma, 0, sizeof(avmcard_dmainfo));
97 
        cinfo = (avmctrl_info *) kmalloc(sizeof(avmctrl_info), GFP_ATOMIC);
98 
        if (!cinfo) {
99 
                printk(KERN_WARNING "%s: no memory.\n", driver->name);
100 
                kfree(card->dma);
101 
                kfree(card);
102 
                MOD_DEC_USE_COUNT;
103 
                return -ENOMEM;
104 
        }
105 
        memset(cinfo, 0, sizeof(avmctrl_info));
106 
        card->ctrlinfo = cinfo;
107 
        cinfo->card = card;
108 
        sprintf(card->name, "t1pci-%x", p->port);
109 
        card->port = p->port;
110 
        card->irq = p->irq;
111 
        card->membase = p->membase;
112 
        card->cardtype = avm_t1pci;
113 
 
114 
        if (check_region(card->port, AVMB1_PORTLEN)) {
115 
                printk(KERN_WARNING
116 
                       "%s: ports 0x%03x-0x%03x in use.\n",
117 
                       driver->name, card->port, card->port + AVMB1_PORTLEN);
118 
                kfree(card->ctrlinfo);
119 
                kfree(card->dma);
120 
                kfree(card);
121 
                MOD_DEC_USE_COUNT;
122 
                return -EBUSY;
123 
        }
124 
 
125 
        card->mbase = ioremap_nocache(card->membase, 64);
126 
        if (!card->mbase) {
127 
                printk(KERN_NOTICE "%s: can't remap memory at 0x%lx\n",
128 
                                        driver->name, card->membase);
129 
                kfree(card->ctrlinfo);
130 
                kfree(card->dma);
131 
                kfree(card);
132 
                MOD_DEC_USE_COUNT;
133 
                return -EIO;
134 
        }
135 
 
136 
        b1dma_reset(card);
137 
 
138 
        if ((retval = t1pci_detect(card)) != 0) {
139 
                if (retval < 6)
140 
                        printk(KERN_NOTICE "%s: NO card at 0x%x (%d)\n",
141 
                                        driver->name, card->port, retval);
142 
                else
143 
                        printk(KERN_NOTICE "%s: card at 0x%x, but cabel not connected or T1 has no power (%d)\n",
144 
                                        driver->name, card->port, retval);
145 
                iounmap(card->mbase);
146 
                kfree(card->ctrlinfo);
147 
                kfree(card->dma);
148 
                kfree(card);
149 
                MOD_DEC_USE_COUNT;
150 
                return -EIO;
151 
        }
152 
        b1dma_reset(card);
153 
 
154 
        request_region(p->port, AVMB1_PORTLEN, card->name);
155 
 
156 
        retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
157 
        if (retval) {
158 
                printk(KERN_ERR "%s: unable to get IRQ %d.\n",
159 
                                driver->name, card->irq);
160 
                iounmap(card->mbase);
161 
                release_region(card->port, AVMB1_PORTLEN);
162 
                kfree(card->ctrlinfo);
163 
                kfree(card->dma);
164 
                kfree(card);
165 
                MOD_DEC_USE_COUNT;
166 
                return -EBUSY;
167 
        }
168 
 
169 
        cinfo->capi_ctrl = di->attach_ctr(driver, card->name, cinfo);
170 
        if (!cinfo->capi_ctrl) {
171 
                printk(KERN_ERR "%s: attach controller failed.\n", driver->name);
172 
                iounmap(card->mbase);
173 
                free_irq(card->irq, card);
174 
                release_region(card->port, AVMB1_PORTLEN);
175 
                kfree(card->ctrlinfo);
176 
                kfree(card->dma);
177 
                kfree(card);
178 
                MOD_DEC_USE_COUNT;
179 
                return -EBUSY;
180 
        }
181 
        card->cardnr = cinfo->capi_ctrl->cnr;
182 
 
183 
        skb_queue_head_init(&card->dma->send_queue);
184 
 
185 
        printk(KERN_INFO
186 
                "%s: AVM T1 PCI at i/o %#x, irq %d, mem %#lx\n",
187 
                driver->name, card->port, card->irq, card->membase);
188 
 
189 
        return 0;
190 
}
191 
 
192 
/* ------------------------------------------------------------- */
193 
 
194 
static char *t1pci_procinfo(struct capi_ctr *ctrl)
195 
{
196 
        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
197 
 
198 
        if (!cinfo)
199 
                return "";
200 
        sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx",
201 
                cinfo->cardname[0] ? cinfo->cardname : "-",
202 
                cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
203 
                cinfo->card ? cinfo->card->port : 0x0,
204 
                cinfo->card ? cinfo->card->irq : 0,
205 
                cinfo->card ? cinfo->card->membase : 0
206 
                );
207 
        return cinfo->infobuf;
208 
}
209 
 
210 
/* ------------------------------------------------------------- */
211 
 
212 
static struct capi_driver t1pci_driver = {
213 
    name: "t1pci",
214 
    revision: "0.0",
215 
    load_firmware: b1dma_load_firmware,
216 
    reset_ctr: b1dma_reset_ctr,
217 
    remove_ctr: t1pci_remove_ctr,
218 
    register_appl: b1dma_register_appl,
219 
    release_appl: b1dma_release_appl,
220 
    send_message: b1dma_send_message,
221 
 
222 
    procinfo: t1pci_procinfo,
223 
    ctr_read_proc: b1dmactl_read_proc,
224 
    driver_read_proc: 0, /* use standard driver_read_proc */
225 
 
226 
    add_card: 0, /* no add_card function */
227 
};
228 
 
229 
static int ncards = 0;
230 
 
231 
static int __init t1pci_init(void)
232 
{
233 
        struct capi_driver *driver = &t1pci_driver;
234 
        struct pci_dev *dev = NULL;
235 
        char *p;
236 
        int retval;
237 
 
238 
        MOD_INC_USE_COUNT;
239 
 
240 
        if ((p = strchr(revision, ':')) != 0 && p[1]) {
241 
                strncpy(driver->revision, p + 2, sizeof(driver->revision));
242 
                driver->revision[sizeof(driver->revision)-1] = 0;
243 
                if ((p = strchr(driver->revision, '$')) != 0 && p > driver->revision)
244 
                        *(p-1) = 0;
245 
        }
246 
 
247 
        printk(KERN_INFO "%s: revision %s\n", driver->name, driver->revision);
248 
 
249 
        di = attach_capi_driver(driver);
250 
        if (!di) {
251 
                printk(KERN_ERR "%s: failed to attach capi_driver\n",
252 
                                driver->name);
253 
                MOD_DEC_USE_COUNT;
254 
                return -EIO;
255 
        }
256 
 
257 
        while ((dev = pci_find_device(PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_T1, dev))) {
258 
                struct capicardparams param;
259 
 
260 
                if (pci_enable_device(dev) < 0) {
261 
                        printk(KERN_ERR "%s: failed to enable AVM-T1-PCI\n",
262 
                               driver->name);
263 
                        continue;
264 
                }
265 
                pci_set_master(dev);
266 
 
267 
                param.port = pci_resource_start(dev, 1);
268 
                param.irq = dev->irq;
269 
                param.membase = pci_resource_start(dev, 0);
270 
 
271 
                printk(KERN_INFO
272 
                        "%s: PCI BIOS reports AVM-T1-PCI at i/o %#x, irq %d, mem %#x\n",
273 
                        driver->name, param.port, param.irq, param.membase);
274 
                retval = t1pci_add_card(driver, &param);
275 
                if (retval != 0) {
276 
                        printk(KERN_ERR
277 
                        "%s: no AVM-T1-PCI at i/o %#x, irq %d detected, mem %#x\n",
278 
                        driver->name, param.port, param.irq, param.membase);
279 
                        continue;
280 
                }
281 
                ncards++;
282 
        }
283 
        if (ncards) {
284 
                printk(KERN_INFO "%s: %d T1-PCI card(s) detected\n",
285 
                                driver->name, ncards);
286 
                MOD_DEC_USE_COUNT;
287 
                return 0;
288 
        }
289 
        printk(KERN_ERR "%s: NO T1-PCI card detected\n", driver->name);
290 
        detach_capi_driver(&t1pci_driver);
291 
        MOD_DEC_USE_COUNT;
292 
        return -ENODEV;
293 
}
294 
 
295 
static void __exit t1pci_exit(void)
296 
{
297 
    detach_capi_driver(&t1pci_driver);
298 
}
299 
 
300 
module_init(t1pci_init);
301 
module_exit(t1pci_exit);

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.