1 files changed, 441 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c
new file mode 100644
index 000000000000..b6435589d459
--- /dev/null
+++ b/drivers/isdn/hardware/eicon/divasproc.c
@@ -0,0 +1,441 @@
+/* $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 = create_proc_entry(tmp, S_IFDIR, 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));
+        }
+}