413 lines
10 KiB
C
413 lines
10 KiB
C
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/* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 armin Exp $
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*
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* Low level driver for Eicon DIVA Server ISDN cards.
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* /proc functions
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*
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* Copyright 2000-2003 by Armin Schindler (mac@melware.de)
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* Copyright 2000-2003 Cytronics & Melware (info@melware.de)
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/poll.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/list.h>
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#include <linux/uaccess.h>
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#include "platform.h"
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#include "debuglib.h"
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#undef ID_MASK
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#undef N_DATA
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#include "pc.h"
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#include "di_defs.h"
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#include "divasync.h"
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#include "di.h"
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#include "io.h"
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#include "xdi_msg.h"
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#include "xdi_adapter.h"
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#include "diva.h"
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#include "diva_pci.h"
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extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
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extern void divas_get_version(char *);
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extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
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/*********************************************************
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** Functions for /proc interface / File operations
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*********************************************************/
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static char *divas_proc_name = "divas";
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static char *adapter_dir_name = "adapter";
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static char *info_proc_name = "info";
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static char *grp_opt_proc_name = "group_optimization";
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static char *d_l1_down_proc_name = "dynamic_l1_down";
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/*
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** "divas" entry
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*/
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extern struct proc_dir_entry *proc_net_eicon;
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static struct proc_dir_entry *divas_proc_entry = NULL;
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static ssize_t
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divas_read(struct file *file, char __user *buf, size_t count, loff_t *off)
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{
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int len = 0;
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int cadapter;
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char tmpbuf[80];
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char tmpser[16];
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if (*off)
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return 0;
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divas_get_version(tmpbuf);
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if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
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return -EFAULT;
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len += strlen(tmpbuf);
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for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
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if (IoAdapters[cadapter]) {
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diva_get_vserial_number(IoAdapters[cadapter],
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tmpser);
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sprintf(tmpbuf,
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"%2d: %-30s Serial:%-10s IRQ:%2d\n",
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cadapter + 1,
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IoAdapters[cadapter]->Properties.Name,
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tmpser,
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IoAdapters[cadapter]->irq_info.irq_nr);
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if ((strlen(tmpbuf) + len) > count)
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break;
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if (copy_to_user
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(buf + len, &tmpbuf,
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strlen(tmpbuf))) return -EFAULT;
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len += strlen(tmpbuf);
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}
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}
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*off += len;
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return (len);
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}
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static ssize_t
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divas_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
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{
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return (-ENODEV);
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}
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static __poll_t divas_poll(struct file *file, poll_table *wait)
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{
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return (EPOLLERR);
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}
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static int divas_open(struct inode *inode, struct file *file)
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{
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return nonseekable_open(inode, file);
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}
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static int divas_close(struct inode *inode, struct file *file)
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{
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return (0);
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}
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static const struct file_operations divas_fops = {
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.owner = THIS_MODULE,
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.llseek = no_llseek,
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.read = divas_read,
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.write = divas_write,
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.poll = divas_poll,
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.open = divas_open,
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.release = divas_close
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};
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int create_divas_proc(void)
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{
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divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
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proc_net_eicon, &divas_fops);
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if (!divas_proc_entry)
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return (0);
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return (1);
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}
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void remove_divas_proc(void)
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{
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if (divas_proc_entry) {
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remove_proc_entry(divas_proc_name, proc_net_eicon);
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divas_proc_entry = NULL;
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}
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}
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static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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if ((count == 1) || (count == 2)) {
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char c;
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if (get_user(c, buffer))
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return -EFAULT;
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switch (c) {
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case '0':
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IoAdapter->capi_cfg.cfg_1 &=
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~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
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break;
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case '1':
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IoAdapter->capi_cfg.cfg_1 |=
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DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
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break;
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default:
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return (-EINVAL);
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}
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return (count);
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}
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return (-EINVAL);
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}
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static ssize_t d_l1_down_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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if ((count == 1) || (count == 2)) {
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char c;
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if (get_user(c, buffer))
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return -EFAULT;
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switch (c) {
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case '0':
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IoAdapter->capi_cfg.cfg_1 &=
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~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
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break;
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case '1':
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IoAdapter->capi_cfg.cfg_1 |=
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DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
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break;
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default:
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return (-EINVAL);
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}
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return (count);
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}
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return (-EINVAL);
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}
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static int d_l1_down_proc_show(struct seq_file *m, void *v)
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{
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diva_os_xdi_adapter_t *a = m->private;
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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seq_printf(m, "%s\n",
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(IoAdapter->capi_cfg.
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cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
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"0");
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return 0;
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}
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static int d_l1_down_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, d_l1_down_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations d_l1_down_proc_fops = {
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.owner = THIS_MODULE,
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.open = d_l1_down_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = d_l1_down_proc_write,
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};
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static int grp_opt_proc_show(struct seq_file *m, void *v)
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{
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diva_os_xdi_adapter_t *a = m->private;
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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seq_printf(m, "%s\n",
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(IoAdapter->capi_cfg.
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cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
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? "1" : "0");
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return 0;
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}
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static int grp_opt_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, grp_opt_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations grp_opt_proc_fops = {
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.owner = THIS_MODULE,
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.open = grp_opt_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = grp_opt_proc_write,
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};
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static ssize_t info_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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char c[4];
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if (count <= 4)
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return -EINVAL;
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if (copy_from_user(c, buffer, 4))
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return -EFAULT;
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/* this is for test purposes only */
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if (!memcmp(c, "trap", 4)) {
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(*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
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return (count);
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}
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return (-EINVAL);
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}
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static int info_proc_show(struct seq_file *m, void *v)
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{
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int i = 0;
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char *p;
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char tmpser[16];
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diva_os_xdi_adapter_t *a = m->private;
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PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
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seq_printf(m, "Name : %s\n", IoAdapter->Properties.Name);
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seq_printf(m, "DSP state : %08x\n", a->dsp_mask);
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seq_printf(m, "Channels : %02d\n", IoAdapter->Properties.Channels);
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seq_printf(m, "E. max/used : %03d/%03d\n",
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IoAdapter->e_max, IoAdapter->e_count);
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diva_get_vserial_number(IoAdapter, tmpser);
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seq_printf(m, "Serial : %s\n", tmpser);
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seq_printf(m, "IRQ : %d\n", IoAdapter->irq_info.irq_nr);
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seq_printf(m, "CardIndex : %d\n", a->CardIndex);
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seq_printf(m, "CardOrdinal : %d\n", a->CardOrdinal);
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seq_printf(m, "Controller : %d\n", a->controller);
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seq_printf(m, "Bus-Type : %s\n",
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(a->Bus ==
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DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
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seq_printf(m, "Port-Name : %s\n", a->port_name);
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if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
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seq_printf(m, "PCI-bus : %d\n", a->resources.pci.bus);
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seq_printf(m, "PCI-func : %d\n", a->resources.pci.func);
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for (i = 0; i < 8; i++) {
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if (a->resources.pci.bar[i]) {
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seq_printf(m,
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"Mem / I/O %d : 0x%x / mapped : 0x%lx",
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i, a->resources.pci.bar[i],
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(unsigned long) a->resources.
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pci.addr[i]);
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if (a->resources.pci.length[i]) {
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seq_printf(m,
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" / length : %d",
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a->resources.pci.
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length[i]);
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}
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seq_putc(m, '\n');
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}
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}
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}
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if ((!a->xdi_adapter.port) &&
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((!a->xdi_adapter.ram) ||
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(!a->xdi_adapter.reset)
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|| (!a->xdi_adapter.cfg))) {
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if (!IoAdapter->irq_info.irq_nr) {
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p = "slave";
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} else {
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p = "out of service";
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}
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} else if (a->xdi_adapter.trapped) {
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p = "trapped";
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} else if (a->xdi_adapter.Initialized) {
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p = "active";
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} else {
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p = "ready";
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}
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seq_printf(m, "State : %s\n", p);
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return 0;
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}
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static int info_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, info_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations info_proc_fops = {
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.owner = THIS_MODULE,
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.open = info_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = info_proc_write,
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};
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/*
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** adapter proc init/de-init
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*/
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/* --------------------------------------------------------------------------
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Create adapter directory and files in proc file system
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-------------------------------------------------------------------------- */
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int create_adapter_proc(diva_os_xdi_adapter_t *a)
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{
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struct proc_dir_entry *de, *pe;
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char tmp[16];
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sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
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if (!(de = proc_mkdir(tmp, proc_net_eicon)))
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return (0);
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a->proc_adapter_dir = (void *) de;
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pe = proc_create_data(info_proc_name, S_IRUGO | S_IWUSR, de,
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|
|
&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));
|
||
|
|
}
|
||
|
|
}
|