/* $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/module.h>
#include <linux/kernel.h>
#include <linux/poll.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.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 const 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 = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
proc_net_eicon, &divas_fops);
if (!divas_proc_entry)
return (0);
return (1);
}
void remove_divas_proc(void)
{
if (divas_proc_entry) {
remove_proc_entry(divas_proc_name, proc_net_eicon);
divas_proc_entry = NULL;
}
}
static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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);
}
static ssize_t d_l1_down_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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);
}
static int d_l1_down_proc_show(struct seq_file *m, void *v)
{
diva_os_xdi_adapter_t *a = m->private;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
seq_printf(m, "%s\n",
(IoAdapter->capi_cfg.
cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
"0");
return 0;
}
static int d_l1_down_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, d_l1_down_proc_show, PDE_DATA(inode));
}
static const struct file_operations d_l1_down_proc_fops = {
.owner = THIS_MODULE,
.open = d_l1_down_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = d_l1_down_proc_write,
};
static int grp_opt_proc_show(struct seq_file *m, void *v)
{
diva_os_xdi_adapter_t *a = m->private;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
seq_printf(m, "%s\n",
(IoAdapter->capi_cfg.
cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
? "1" : "0");
return 0;
}
static int grp_opt_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, grp_opt_proc_show, PDE_DATA(inode));
}
static const struct file_operations grp_opt_proc_fops = {
.owner = THIS_MODULE,
.open = grp_opt_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = grp_opt_proc_write,
};
static ssize_t info_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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);
}
static int info_proc_show(struct seq_file *m, void *v)
{
int i = 0;
char *p;
char tmpser[16];
diva_os_xdi_adapter_t *a = m->private;
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
seq_printf(m, "Name : %s\n", IoAdapter->Properties.Name);
seq_printf(m, "DSP state : %08x\n", a->dsp_mask);
seq_printf(m, "Channels : %02d\n", IoAdapter->Properties.Channels);
seq_printf(m, "E. max/used : %03d/%03d\n",
IoAdapter->e_max, IoAdapter->e_count);
diva_get_vserial_number(IoAdapter, tmpser);
seq_printf(m, "Serial : %s\n", tmpser);
seq_printf(m, "IRQ : %d\n", IoAdapter->irq_info.irq_nr);
seq_printf(m, "CardIndex : %d\n", a->CardIndex);
seq_printf(m, "CardOrdinal : %d\n", a->CardOrdinal);
seq_printf(m, "Controller : %d\n", a->controller);
seq_printf(m, "Bus-Type : %s\n",
(a->Bus ==
DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
seq_printf(m, "Port-Name : %s\n", a->port_name);
if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
seq_printf(m, "PCI-bus : %d\n", a->resources.pci.bus);
seq_printf(m, "PCI-func : %d\n", a->resources.pci.func);
for (i = 0; i < 8; i++) {
if (a->resources.pci.bar[i]) {
seq_printf(m,
"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]) {
seq_printf(m,
" / length : %d",
a->resources.pci.
length[i]);
}
seq_putc(m, '\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";
}
seq_printf(m, "State : %s\n", p);
return 0;
}
static int info_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, info_proc_show, PDE_DATA(inode));
}
static const struct file_operations info_proc_fops = {
.owner = THIS_MODULE,
.open = info_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.write = info_proc_write,
};
/*
** 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;
pe = proc_create_data(info_proc_name, S_IRUGO | S_IWUSR, de,
&info_proc_fops, a);
if (!pe)
return (0);
a->proc_info = (void *) pe;
pe = proc_create_data(grp_opt_proc_name, S_IRUGO | S_IWUSR, de,
&grp_opt_proc_fops, a);
if (pe)
a->proc_grp_opt = (void *) pe;
pe = proc_create_data(d_l1_down_proc_name, S_IRUGO | S_IWUSR, de,
&d_l1_down_proc_fops, a);
if (pe)
a->proc_d_l1_down = (void *) pe;
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));
}
}