/* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 armin Exp $
*
* Low level driver for Eicon DIVA Server ISDN cards.
* /proc functions
*
* Copyright 2000-2003 by Armin Schindler (mac@melware.de)
* Copyright 2000-2003 Cytronics & Melware (info@melware.de)
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/poll.h>
#include <linux/proc_fs.h>
#include <linux/list.h>
#include <asm/uaccess.h>
#include "platform.h"
#include "debuglib.h"
#undef ID_MASK
#undef N_DATA
#include "pc.h"
#include "di_defs.h"
#include "divasync.h"
#include "di.h"
#include "io.h"
#include "xdi_msg.h"
#include "xdi_adapter.h"
#include "diva.h"
#include "diva_pci.h"
extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
extern void divas_get_version(char *);
extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
/*********************************************************
** Functions for /proc interface / File operations
*********************************************************/
static char *divas_proc_name = "divas";
static char *adapter_dir_name = "adapter";
static char *info_proc_name = "info";
static char *grp_opt_proc_name = "group_optimization";
static char *d_l1_down_proc_name = "dynamic_l1_down";
/*
** "divas" entry
*/
extern struct proc_dir_entry *proc_net_eicon;
static struct proc_dir_entry *divas_proc_entry = NULL;
static ssize_t
divas_read(struct file *file, char __user *buf, size_t count, loff_t * off)
{
int len = 0;
int cadapter;
char tmpbuf[80];
char tmpser[16];
if (*off)
return 0;
divas_get_version(tmpbuf);
if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
return -EFAULT;
len += strlen(tmpbuf);
for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
if (IoAdapters[cadapter]) {
diva_get_vserial_number(IoAdapters[cadapter],
tmpser);
sprintf(tmpbuf,
"%2d: %-30s Serial:%-10s IRQ:%2d\n",
cadapter + 1,
IoAdapters[cadapter]->Properties.Name,
tmpser,
IoAdapters[cadapter]->irq_info.irq_nr);
if ((strlen(tmpbuf) + len) > count)
break;
if (copy_to_user
(buf + len, &tmpbuf,
strlen(tmpbuf))) return -EFAULT;
len += strlen(tmpbuf);
}
}
*off += len;
return (len);
}
static ssize_t
divas_write(struct file *file, const char __user *buf, size_t count, loff_t * off)
{
return (-ENODEV);
}
static unsigned int divas_poll(struct file *file, poll_table * wait)
{
return (POLLERR);
}
static int divas_open(struct inode *inode, struct file *file)
{
return nonseekable_open(inode, file);
}
static int divas_close(struct inode *inode, struct file *file)
{
return (0);
}
static struct file_operations divas_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = divas_read,
.write = divas_write,
.poll = divas_poll,
.open = divas_open,
.release = divas_close
};
int create_divas_proc(void)
{
divas_proc_entry = create_proc_entry(divas_proc_name,
S_IFREG | S_IRUGO,
proc_net_eicon);
if (!divas_proc_entry)
return (0);
divas_proc_entry->proc_fops = &divas_fops;
divas_proc_entry->owner = THIS_MODULE;
return (1);
}
void remove_divas_proc(void)
{
if (divas_proc_entry) {
remove_proc_entry(divas_proc_name, proc_net_eicon);
divas_proc_entry = NULL;
}
}
/*
** write group_optimization
*/
static int
write_grp_opt(struct file *file, const char __user *buffer, unsigned long count,
void *data)
{
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
if ((count == 1) || (count == 2)) {
char c;
if (get_user(c, buffer))
return -EFAULT;
switch (c) {
case '0':
IoAdapter->capi_cfg.cfg_1 &=
~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
break;
case '1':
IoAdapter->capi_cfg.cfg_1 |=
DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
break;
default:
return (-EINVAL);
}
return (count);
}
return (-EINVAL);
}
/*
** write dynamic_l1_down
*/
static int
write_d_l1_down(struct file *file, const char __user *buffer, unsigned long count,
void *data)
{
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
if ((count == 1) || (count == 2)) {
char c;
if (get_user(c, buffer))
return -EFAULT;
switch (c) {
case '0':
IoAdapter->capi_cfg.cfg_1 &=
~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
break;
case '1':
IoAdapter->capi_cfg.cfg_1 |=
DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
break;
default:
return (-EINVAL);
}
return (count);
}
return (-EINVAL);
}
/*
** read dynamic_l1_down
*/
static int
read_d_l1_down(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int len = 0;
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
len += sprintf(page + len, "%s\n",
(IoAdapter->capi_cfg.
cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
"0");
if (off + count >= len)
*eof = 1;
if (len < off)
return 0;
*start = page + off;
return ((count < len - off) ? count : len - off);
}
/*
** read group_optimization
*/
static int
read_grp_opt(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int len = 0;
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
len += sprintf(page + len, "%s\n",
(IoAdapter->capi_cfg.
cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
? "1" : "0");
if (off + count >= len)
*eof = 1;
if (len < off)
return 0;
*start = page + off;
return ((count < len - off) ? count : len - off);
}
/*
** info write
*/
static int
info_write(struct file *file, const char __user *buffer, unsigned long count,
void *data)
{
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
char c[4];
if (count <= 4)
return -EINVAL;
if (copy_from_user(c, buffer, 4))
return -EFAULT;
/* this is for test purposes only */
if (!memcmp(c, "trap", 4)) {
(*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
return (count);
}
return (-EINVAL);
}
/*
** info read
*/
static int
info_read(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int i = 0;
int len = 0;
char *p;
char tmpser[16];
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) data;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
len +=
sprintf(page + len, "Name : %s\n",
IoAdapter->Properties.Name);
len += sprintf(page + len, "DSP state : %08x\n", a->dsp_mask);
len += sprintf(page + len, "Channels : %02d\n",
IoAdapter->Properties.Channels);
len += sprintf(page + len, "E. max/used : %03d/%03d\n",
IoAdapter->e_max, IoAdapter->e_count);
diva_get_vserial_number(IoAdapter, tmpser);
len += sprintf(page + len, "Serial : %s\n", tmpser);
len +=
sprintf(page + len, "IRQ : %d\n",
IoAdapter->irq_info.irq_nr);
len += sprintf(page + len, "CardIndex : %d\n", a->CardIndex);
len += sprintf(page + len, "CardOrdinal : %d\n", a->CardOrdinal);
len += sprintf(page + len, "Controller : %d\n", a->controller);
len += sprintf(page + len, "Bus-Type : %s\n",
(a->Bus ==
DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
len += sprintf(page + len, "Port-Name : %s\n", a->port_name);
if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
len +=
sprintf(page + len, "PCI-bus : %d\n",
a->resources.pci.bus);
len +=
sprintf(page + len, "PCI-func : %d\n",
a->resources.pci.func);
for (i = 0; i < 8; i++) {
if (a->resources.pci.bar[i]) {
len +=
sprintf(page + len,
"Mem / I/O %d : 0x%x / mapped : 0x%lx",
i, a->resources.pci.bar[i],
(unsigned long) a->resources.
pci.addr[i]);
if (a->resources.pci.length[i]) {
len +=
sprintf(page + len,
" / length : %d",
a->resources.pci.
length[i]);
}
len += sprintf(page + len, "\n");
}
}
}
if ((!a->xdi_adapter.port) &&
((!a->xdi_adapter.ram) ||
(!a->xdi_adapter.reset)
|| (!a->xdi_adapter.cfg))) {
if (!IoAdapter->irq_info.irq_nr) {
p = "slave";
} else {
p = "out of service";
}
} else if (a->xdi_adapter.trapped) {
p = "trapped";
} else if (a->xdi_adapter.Initialized) {
p = "active";
} else {
p = "ready";
}
len += sprintf(page + len, "State : %s\n", p);
if (off + count >= len)
*eof = 1;
if (len < off)
return 0;
*start = page + off;
return ((count < len - off) ? count : len - off);
}
/*
** adapter proc init/de-init
*/
/* --------------------------------------------------------------------------
Create adapter directory and files in proc file system
-------------------------------------------------------------------------- */
int create_adapter_proc(diva_os_xdi_adapter_t * a)
{
struct proc_dir_entry *de, *pe;
char tmp[16];
sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
if (!(de = proc_mkdir(tmp, proc_net_eicon)))
return (0);
a->proc_adapter_dir = (void *) de;
if (!(pe =
create_proc_entry(info_proc_name, S_IFREG | S_IRUGO | S_IWUSR, de)))
return (0);
a->proc_info = (void *) pe;
pe->write_proc = info_write;
pe->read_proc = info_read;
pe->data = a;
if ((pe = create_proc_entry(grp_opt_proc_name,
S_IFREG | S_IRUGO | S_IWUSR, de))) {
a->proc_grp_opt = (void *) pe;
pe->write_proc = write_grp_opt;
pe->read_proc = read_grp_opt;
pe->data = a;
}
if ((pe = create_proc_entry(d_l1_down_proc_name,
S_IFREG | S_IRUGO | S_IWUSR, de))) {
a->proc_d_l1_down = (void *) pe;
pe->write_proc = write_d_l1_down;
pe->read_proc = read_d_l1_down;
pe->data = a;
}
DBG_TRC(("proc entry %s created", tmp));
return (1);
}
/* --------------------------------------------------------------------------
Remove adapter directory and files in proc file system
-------------------------------------------------------------------------- */
void remove_adapter_proc(diva_os_xdi_adapter_t * a)
{
char tmp[16];
if (a->proc_adapter_dir) {
if (a->proc_d_l1_down) {
remove_proc_entry(d_l1_down_proc_name,
(struct proc_dir_entry *) a->proc_adapter_dir);
}
if (a->proc_grp_opt) {
remove_proc_entry(grp_opt_proc_name,
(struct proc_dir_entry *) a->proc_adapter_dir);
}
if (a->proc_info) {
remove_proc_entry(info_proc_name,
(struct proc_dir_entry *) a->proc_adapter_dir);
}
sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
remove_proc_entry(tmp, proc_net_eicon);
DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
a->controller));
}
}
