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path: root/drivers/isdn/capi/capidrv.c
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Diffstat (limited to 'drivers/isdn/capi/capidrv.c')
-rw-r--r--drivers/isdn/capi/capidrv.c103
1 files changed, 33 insertions, 70 deletions
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index 66b7d7a86474..bf55ed5f38e3 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -24,6 +24,7 @@
#include <linux/isdn.h>
#include <linux/isdnif.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/capi.h>
#include <linux/kernelcapi.h>
#include <linux/ctype.h>
@@ -34,7 +35,6 @@
#include <linux/isdn/capicmd.h>
#include "capidrv.h"
-static char *revision = "$Revision: 1.1.2.2 $";
static int debugmode = 0;
MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
@@ -2210,96 +2210,73 @@ static int capidrv_delcontr(u16 contr)
}
-static void lower_callback(unsigned int cmd, u32 contr, void *data)
+static int
+lower_callback(struct notifier_block *nb, unsigned long val, void *v)
{
+ capi_profile profile;
+ u32 contr = (long)v;
- switch (cmd) {
- case KCI_CONTRUP:
+ switch (val) {
+ case CAPICTR_UP:
printk(KERN_INFO "capidrv: controller %hu up\n", contr);
- (void) capidrv_addcontr(contr, (capi_profile *) data);
+ if (capi20_get_profile(contr, &profile) == CAPI_NOERROR)
+ (void) capidrv_addcontr(contr, &profile);
break;
- case KCI_CONTRDOWN:
+ case CAPICTR_DOWN:
printk(KERN_INFO "capidrv: controller %hu down\n", contr);
(void) capidrv_delcontr(contr);
break;
}
+ return NOTIFY_OK;
}
/*
* /proc/capi/capidrv:
* nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
*/
-static int proc_capidrv_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int capidrv_proc_show(struct seq_file *m, void *v)
{
- int len = 0;
-
- len += sprintf(page+len, "%lu %lu %lu %lu\n",
+ seq_printf(m, "%lu %lu %lu %lu\n",
global.ap.nrecvctlpkt,
global.ap.nrecvdatapkt,
global.ap.nsentctlpkt,
global.ap.nsentdatapkt);
- if (off+count >= len)
- *eof = 1;
- if (len < off)
- return 0;
- *start = page + off;
- return ((count < len-off) ? count : len-off);
+ return 0;
}
-static struct procfsentries {
- char *name;
- mode_t mode;
- int (*read_proc)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
- struct proc_dir_entry *procent;
-} procfsentries[] = {
- /* { "capi", S_IFDIR, 0 }, */
- { "capi/capidrv", 0 , proc_capidrv_read_proc },
+static int capidrv_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, capidrv_proc_show, NULL);
+}
+
+static const struct file_operations capidrv_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = capidrv_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static void __init proc_init(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=0; i < nelem; i++) {
- struct procfsentries *p = procfsentries + i;
- p->procent = create_proc_entry(p->name, p->mode, NULL);
- if (p->procent) p->procent->read_proc = p->read_proc;
- }
+ proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
}
static void __exit proc_exit(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=nelem-1; i >= 0; i--) {
- struct procfsentries *p = procfsentries + i;
- if (p->procent) {
- remove_proc_entry(p->name, NULL);
- p->procent = NULL;
- }
- }
+ remove_proc_entry("capi/capidrv", NULL);
}
+static struct notifier_block capictr_nb = {
+ .notifier_call = lower_callback,
+};
+
static int __init capidrv_init(void)
{
capi_profile profile;
- char rev[32];
- char *p;
u32 ncontr, contr;
u16 errcode;
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strncpy(rev, p + 2, sizeof(rev));
- rev[sizeof(rev)-1] = 0;
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p-1) = 0;
- } else
- strcpy(rev, "1.0");
-
global.ap.rparam.level3cnt = -2; /* number of bchannels twice */
global.ap.rparam.datablkcnt = 16;
global.ap.rparam.datablklen = 2048;
@@ -2310,7 +2287,7 @@ static int __init capidrv_init(void)
return -EIO;
}
- capi20_set_callback(&global.ap, lower_callback);
+ register_capictr_notifier(&capictr_nb);
errcode = capi20_get_profile(0, &profile);
if (errcode != CAPI_NOERROR) {
@@ -2327,29 +2304,15 @@ static int __init capidrv_init(void)
}
proc_init();
- printk(KERN_NOTICE "capidrv: Rev %s: loaded\n", rev);
return 0;
}
static void __exit capidrv_exit(void)
{
- char rev[32];
- char *p;
-
- if ((p = strchr(revision, ':')) != NULL) {
- strncpy(rev, p + 1, sizeof(rev));
- rev[sizeof(rev)-1] = 0;
- if ((p = strchr(rev, '$')) != NULL)
- *p = 0;
- } else {
- strcpy(rev, " ??? ");
- }
-
+ unregister_capictr_notifier(&capictr_nb);
capi20_release(&global.ap);
proc_exit();
-
- printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev);
}
module_init(capidrv_init);