Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / isdn / hardware / avm / b1.c
diff --git a/kernel/drivers/isdn/hardware/avm/b1.c b/kernel/drivers/isdn/hardware/avm/b1.c
new file mode 100644 (file)
index 0000000..4d9b195
--- /dev/null
@@ -0,0 +1,817 @@
+/* $Id: b1.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ *
+ * Common module for AVM B1 cards.
+ *
+ * Copyright 1999 by Carsten Paeth <calle@calle.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/pci.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/capi.h>
+#include <linux/kernelcapi.h>
+#include <linux/slab.h>
+#include <asm/io.h>
+#include <linux/init.h>
+#include <asm/uaccess.h>
+#include <linux/netdevice.h>
+#include <linux/isdn/capilli.h>
+#include "avmcard.h"
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+
+static char *revision = "$Revision: 1.1.2.2 $";
+
+/* ------------------------------------------------------------- */
+
+MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------- */
+
+int b1_irq_table[16] =
+{0,
+ 0,
+ 0,
+ 192,                          /* irq 3 */
+ 32,                           /* irq 4 */
+ 160,                          /* irq 5 */
+ 96,                           /* irq 6 */
+ 224,                          /* irq 7 */
+ 0,
+ 64,                           /* irq 9 */
+ 80,                           /* irq 10 */
+ 208,                          /* irq 11 */
+ 48,                           /* irq 12 */
+ 0,
+ 0,
+ 112,                          /* irq 15 */
+};
+
+/* ------------------------------------------------------------- */
+
+avmcard *b1_alloc_card(int nr_controllers)
+{
+       avmcard *card;
+       avmctrl_info *cinfo;
+       int i;
+
+       card = kzalloc(sizeof(*card), GFP_KERNEL);
+       if (!card)
+               return NULL;
+
+       cinfo = kzalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
+       if (!cinfo) {
+               kfree(card);
+               return NULL;
+       }
+
+       card->ctrlinfo = cinfo;
+       for (i = 0; i < nr_controllers; i++) {
+               INIT_LIST_HEAD(&cinfo[i].ncci_head);
+               cinfo[i].card = card;
+       }
+       spin_lock_init(&card->lock);
+       card->nr_controllers = nr_controllers;
+
+       return card;
+}
+
+/* ------------------------------------------------------------- */
+
+void b1_free_card(avmcard *card)
+{
+       kfree(card->ctrlinfo);
+       kfree(card);
+}
+
+/* ------------------------------------------------------------- */
+
+int b1_detect(unsigned int base, enum avmcardtype cardtype)
+{
+       int onoff, i;
+
+       /*
+        * Statusregister 0000 00xx
+        */
+       if ((inb(base + B1_INSTAT) & 0xfc)
+           || (inb(base + B1_OUTSTAT) & 0xfc))
+               return 1;
+       /*
+        * Statusregister 0000 001x
+        */
+       b1outp(base, B1_INSTAT, 0x2);   /* enable irq */
+       /* b1outp(base, B1_OUTSTAT, 0x2); */
+       if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
+           /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
+               return 2;
+       /*
+        * Statusregister 0000 000x
+        */
+       b1outp(base, B1_INSTAT, 0x0);   /* disable irq */
+       b1outp(base, B1_OUTSTAT, 0x0);
+       if ((inb(base + B1_INSTAT) & 0xfe)
+           || (inb(base + B1_OUTSTAT) & 0xfe))
+               return 3;
+
+       for (onoff = !0, i = 0; i < 10; i++) {
+               b1_set_test_bit(base, cardtype, onoff);
+               if (b1_get_test_bit(base, cardtype) != onoff)
+                       return 4;
+               onoff = !onoff;
+       }
+
+       if (cardtype == avm_m1)
+               return 0;
+
+       if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
+               return 5;
+
+       return 0;
+}
+
+void b1_getrevision(avmcard *card)
+{
+       card->class = inb(card->port + B1_ANALYSE);
+       card->revision = inb(card->port + B1_REVISION);
+}
+
+#define FWBUF_SIZE     256
+int b1_load_t4file(avmcard *card, capiloaddatapart *t4file)
+{
+       unsigned char buf[FWBUF_SIZE];
+       unsigned char *dp;
+       int i, left;
+       unsigned int base = card->port;
+
+       dp = t4file->data;
+       left = t4file->len;
+       while (left > FWBUF_SIZE) {
+               if (t4file->user) {
+                       if (copy_from_user(buf, dp, FWBUF_SIZE))
+                               return -EFAULT;
+               } else {
+                       memcpy(buf, dp, FWBUF_SIZE);
+               }
+               for (i = 0; i < FWBUF_SIZE; i++)
+                       if (b1_save_put_byte(base, buf[i]) < 0) {
+                               printk(KERN_ERR "%s: corrupted firmware file ?\n",
+                                      card->name);
+                               return -EIO;
+                       }
+               left -= FWBUF_SIZE;
+               dp += FWBUF_SIZE;
+       }
+       if (left) {
+               if (t4file->user) {
+                       if (copy_from_user(buf, dp, left))
+                               return -EFAULT;
+               } else {
+                       memcpy(buf, dp, left);
+               }
+               for (i = 0; i < left; i++)
+                       if (b1_save_put_byte(base, buf[i]) < 0) {
+                               printk(KERN_ERR "%s: corrupted firmware file ?\n",
+                                      card->name);
+                               return -EIO;
+                       }
+       }
+       return 0;
+}
+
+int b1_load_config(avmcard *card, capiloaddatapart *config)
+{
+       unsigned char buf[FWBUF_SIZE];
+       unsigned char *dp;
+       unsigned int base = card->port;
+       int i, j, left;
+
+       dp = config->data;
+       left = config->len;
+       if (left) {
+               b1_put_byte(base, SEND_CONFIG);
+               b1_put_word(base, 1);
+               b1_put_byte(base, SEND_CONFIG);
+               b1_put_word(base, left);
+       }
+       while (left > FWBUF_SIZE) {
+               if (config->user) {
+                       if (copy_from_user(buf, dp, FWBUF_SIZE))
+                               return -EFAULT;
+               } else {
+                       memcpy(buf, dp, FWBUF_SIZE);
+               }
+               for (i = 0; i < FWBUF_SIZE; ) {
+                       b1_put_byte(base, SEND_CONFIG);
+                       for (j = 0; j < 4; j++) {
+                               b1_put_byte(base, buf[i++]);
+                       }
+               }
+               left -= FWBUF_SIZE;
+               dp += FWBUF_SIZE;
+       }
+       if (left) {
+               if (config->user) {
+                       if (copy_from_user(buf, dp, left))
+                               return -EFAULT;
+               } else {
+                       memcpy(buf, dp, left);
+               }
+               for (i = 0; i < left; ) {
+                       b1_put_byte(base, SEND_CONFIG);
+                       for (j = 0; j < 4; j++) {
+                               if (i < left)
+                                       b1_put_byte(base, buf[i++]);
+                               else
+                                       b1_put_byte(base, 0);
+                       }
+               }
+       }
+       return 0;
+}
+
+int b1_loaded(avmcard *card)
+{
+       unsigned int base = card->port;
+       unsigned long stop;
+       unsigned char ans;
+       unsigned long tout = 2;
+
+       for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
+               if (b1_tx_empty(base))
+                       break;
+       }
+       if (!b1_tx_empty(base)) {
+               printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
+                      card->name);
+               return 0;
+       }
+       b1_put_byte(base, SEND_POLL);
+       for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
+               if (b1_rx_full(base)) {
+                       if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
+                               return 1;
+                       }
+                       printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
+                              card->name, ans);
+                       return 0;
+               }
+       }
+       printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
+       return 0;
+}
+
+/* ------------------------------------------------------------- */
+
+int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
+{
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       unsigned int port = card->port;
+       unsigned long flags;
+       int retval;
+
+       b1_reset(port);
+
+       if ((retval = b1_load_t4file(card, &data->firmware))) {
+               b1_reset(port);
+               printk(KERN_ERR "%s: failed to load t4file!!\n",
+                      card->name);
+               return retval;
+       }
+
+       b1_disable_irq(port);
+
+       if (data->configuration.len > 0 && data->configuration.data) {
+               if ((retval = b1_load_config(card, &data->configuration))) {
+                       b1_reset(port);
+                       printk(KERN_ERR "%s: failed to load config!!\n",
+                              card->name);
+                       return retval;
+               }
+       }
+
+       if (!b1_loaded(card)) {
+               printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
+               return -EIO;
+       }
+
+       spin_lock_irqsave(&card->lock, flags);
+       b1_setinterrupt(port, card->irq, card->cardtype);
+       b1_put_byte(port, SEND_INIT);
+       b1_put_word(port, CAPI_MAXAPPL);
+       b1_put_word(port, AVM_NCCI_PER_CHANNEL * 2);
+       b1_put_word(port, ctrl->cnr - 1);
+       spin_unlock_irqrestore(&card->lock, flags);
+
+       return 0;
+}
+
+void b1_reset_ctr(struct capi_ctr *ctrl)
+{
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       unsigned int port = card->port;
+       unsigned long flags;
+
+       b1_reset(port);
+       b1_reset(port);
+
+       memset(cinfo->version, 0, sizeof(cinfo->version));
+       spin_lock_irqsave(&card->lock, flags);
+       capilib_release(&cinfo->ncci_head);
+       spin_unlock_irqrestore(&card->lock, flags);
+       capi_ctr_down(ctrl);
+}
+
+void b1_register_appl(struct capi_ctr *ctrl,
+                     u16 appl,
+                     capi_register_params *rp)
+{
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       unsigned int port = card->port;
+       unsigned long flags;
+       int nconn, want = rp->level3cnt;
+
+       if (want > 0) nconn = want;
+       else nconn = ctrl->profile.nbchannel * -want;
+       if (nconn == 0) nconn = ctrl->profile.nbchannel;
+
+       spin_lock_irqsave(&card->lock, flags);
+       b1_put_byte(port, SEND_REGISTER);
+       b1_put_word(port, appl);
+       b1_put_word(port, 1024 * (nconn + 1));
+       b1_put_word(port, nconn);
+       b1_put_word(port, rp->datablkcnt);
+       b1_put_word(port, rp->datablklen);
+       spin_unlock_irqrestore(&card->lock, flags);
+}
+
+void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
+{
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       unsigned int port = card->port;
+       unsigned long flags;
+
+       spin_lock_irqsave(&card->lock, flags);
+       capilib_release_appl(&cinfo->ncci_head, appl);
+       b1_put_byte(port, SEND_RELEASE);
+       b1_put_word(port, appl);
+       spin_unlock_irqrestore(&card->lock, flags);
+}
+
+u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       unsigned int port = card->port;
+       unsigned long flags;
+       u16 len = CAPIMSG_LEN(skb->data);
+       u8 cmd = CAPIMSG_COMMAND(skb->data);
+       u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
+       u16 dlen, retval;
+
+       spin_lock_irqsave(&card->lock, flags);
+       if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
+               retval = capilib_data_b3_req(&cinfo->ncci_head,
+                                            CAPIMSG_APPID(skb->data),
+                                            CAPIMSG_NCCI(skb->data),
+                                            CAPIMSG_MSGID(skb->data));
+               if (retval != CAPI_NOERROR) {
+                       spin_unlock_irqrestore(&card->lock, flags);
+                       return retval;
+               }
+
+               dlen = CAPIMSG_DATALEN(skb->data);
+
+               b1_put_byte(port, SEND_DATA_B3_REQ);
+               b1_put_slice(port, skb->data, len);
+               b1_put_slice(port, skb->data + len, dlen);
+       } else {
+               b1_put_byte(port, SEND_MESSAGE);
+               b1_put_slice(port, skb->data, len);
+       }
+       spin_unlock_irqrestore(&card->lock, flags);
+
+       dev_kfree_skb_any(skb);
+       return CAPI_NOERROR;
+}
+
+/* ------------------------------------------------------------- */
+
+void b1_parse_version(avmctrl_info *cinfo)
+{
+       struct capi_ctr *ctrl = &cinfo->capi_ctrl;
+       avmcard *card = cinfo->card;
+       capi_profile *profp;
+       u8 *dversion;
+       u8 flag;
+       int i, j;
+
+       for (j = 0; j < AVM_MAXVERSION; j++)
+               cinfo->version[j] = "\0\0" + 1;
+       for (i = 0, j = 0;
+            j < AVM_MAXVERSION && i < cinfo->versionlen;
+            j++, i += cinfo->versionbuf[i] + 1)
+               cinfo->version[j] = &cinfo->versionbuf[i + 1];
+
+       strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
+       memcpy(&ctrl->profile, cinfo->version[VER_PROFILE], sizeof(capi_profile));
+       strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
+       dversion = cinfo->version[VER_DRIVER];
+       ctrl->version.majorversion = 2;
+       ctrl->version.minorversion = 0;
+       ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
+       ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
+       ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
+       ctrl->version.minormanuversion |=
+               (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
+
+       profp = &ctrl->profile;
+
+       flag = ((u8 *)(profp->manu))[1];
+       switch (flag) {
+       case 0: if (cinfo->version[VER_CARDTYPE])
+                       strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
+               else strcpy(cinfo->cardname, "B1");
+               break;
+       case 3: strcpy(cinfo->cardname, "PCMCIA B"); break;
+       case 4: strcpy(cinfo->cardname, "PCMCIA M1"); break;
+       case 5: strcpy(cinfo->cardname, "PCMCIA M2"); break;
+       case 6: strcpy(cinfo->cardname, "B1 V3.0"); break;
+       case 7: strcpy(cinfo->cardname, "B1 PCI"); break;
+       default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
+       }
+       printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
+              card->name, ctrl->cnr, cinfo->cardname);
+
+       flag = ((u8 *)(profp->manu))[3];
+       if (flag)
+               printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
+                      card->name,
+                      ctrl->cnr,
+                      (flag & 0x01) ? " DSS1" : "",
+                      (flag & 0x02) ? " CT1" : "",
+                      (flag & 0x04) ? " VN3" : "",
+                      (flag & 0x08) ? " NI1" : "",
+                      (flag & 0x10) ? " AUSTEL" : "",
+                      (flag & 0x20) ? " ESS" : "",
+                      (flag & 0x40) ? " 1TR6" : ""
+                       );
+
+       flag = ((u8 *)(profp->manu))[5];
+       if (flag)
+               printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
+                      card->name,
+                      ctrl->cnr,
+                      (flag & 0x01) ? " point to point" : "",
+                      (flag & 0x02) ? " point to multipoint" : "",
+                      (flag & 0x08) ? " leased line without D-channel" : "",
+                      (flag & 0x04) ? " leased line with D-channel" : ""
+                       );
+}
+
+/* ------------------------------------------------------------- */
+
+irqreturn_t b1_interrupt(int interrupt, void *devptr)
+{
+       avmcard *card = devptr;
+       avmctrl_info *cinfo = &card->ctrlinfo[0];
+       struct capi_ctr *ctrl = &cinfo->capi_ctrl;
+       unsigned char b1cmd;
+       struct sk_buff *skb;
+
+       unsigned ApplId;
+       unsigned MsgLen;
+       unsigned DataB3Len;
+       unsigned NCCI;
+       unsigned WindowSize;
+       unsigned long flags;
+
+       spin_lock_irqsave(&card->lock, flags);
+
+       if (!b1_rx_full(card->port)) {
+               spin_unlock_irqrestore(&card->lock, flags);
+               return IRQ_NONE;
+       }
+
+       b1cmd = b1_get_byte(card->port);
+
+       switch (b1cmd) {
+
+       case RECEIVE_DATA_B3_IND:
+
+               ApplId = (unsigned) b1_get_word(card->port);
+               MsgLen = b1_get_slice(card->port, card->msgbuf);
+               DataB3Len = b1_get_slice(card->port, card->databuf);
+               spin_unlock_irqrestore(&card->lock, flags);
+
+               if (MsgLen < 30) { /* not CAPI 64Bit */
+                       memset(card->msgbuf + MsgLen, 0, 30-MsgLen);
+                       MsgLen = 30;
+                       CAPIMSG_SETLEN(card->msgbuf, 30);
+               }
+               if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
+                       printk(KERN_ERR "%s: incoming packet dropped\n",
+                              card->name);
+               } else {
+                       memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
+                       memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
+                       capi_ctr_handle_message(ctrl, ApplId, skb);
+               }
+               break;
+
+       case RECEIVE_MESSAGE:
+
+               ApplId = (unsigned) b1_get_word(card->port);
+               MsgLen = b1_get_slice(card->port, card->msgbuf);
+               if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
+                       printk(KERN_ERR "%s: incoming packet dropped\n",
+                              card->name);
+                       spin_unlock_irqrestore(&card->lock, flags);
+               } else {
+                       memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
+                       if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
+                               capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
+                                                    CAPIMSG_NCCI(skb->data),
+                                                    CAPIMSG_MSGID(skb->data));
+                       spin_unlock_irqrestore(&card->lock, flags);
+                       capi_ctr_handle_message(ctrl, ApplId, skb);
+               }
+               break;
+
+       case RECEIVE_NEW_NCCI:
+
+               ApplId = b1_get_word(card->port);
+               NCCI = b1_get_word(card->port);
+               WindowSize = b1_get_word(card->port);
+               capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
+               spin_unlock_irqrestore(&card->lock, flags);
+               break;
+
+       case RECEIVE_FREE_NCCI:
+
+               ApplId = b1_get_word(card->port);
+               NCCI = b1_get_word(card->port);
+               if (NCCI != 0xffffffff)
+                       capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
+               spin_unlock_irqrestore(&card->lock, flags);
+               break;
+
+       case RECEIVE_START:
+               /* b1_put_byte(card->port, SEND_POLLACK); */
+               spin_unlock_irqrestore(&card->lock, flags);
+               capi_ctr_resume_output(ctrl);
+               break;
+
+       case RECEIVE_STOP:
+               spin_unlock_irqrestore(&card->lock, flags);
+               capi_ctr_suspend_output(ctrl);
+               break;
+
+       case RECEIVE_INIT:
+
+               cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
+               spin_unlock_irqrestore(&card->lock, flags);
+               b1_parse_version(cinfo);
+               printk(KERN_INFO "%s: %s-card (%s) now active\n",
+                      card->name,
+                      cinfo->version[VER_CARDTYPE],
+                      cinfo->version[VER_DRIVER]);
+               capi_ctr_ready(ctrl);
+               break;
+
+       case RECEIVE_TASK_READY:
+               ApplId = (unsigned) b1_get_word(card->port);
+               MsgLen = b1_get_slice(card->port, card->msgbuf);
+               spin_unlock_irqrestore(&card->lock, flags);
+               card->msgbuf[MsgLen] = 0;
+               while (MsgLen > 0
+                      && (card->msgbuf[MsgLen - 1] == '\n'
+                          || card->msgbuf[MsgLen - 1] == '\r')) {
+                       card->msgbuf[MsgLen - 1] = 0;
+                       MsgLen--;
+               }
+               printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
+                      card->name, ApplId, card->msgbuf);
+               break;
+
+       case RECEIVE_DEBUGMSG:
+               MsgLen = b1_get_slice(card->port, card->msgbuf);
+               spin_unlock_irqrestore(&card->lock, flags);
+               card->msgbuf[MsgLen] = 0;
+               while (MsgLen > 0
+                      && (card->msgbuf[MsgLen - 1] == '\n'
+                          || card->msgbuf[MsgLen - 1] == '\r')) {
+                       card->msgbuf[MsgLen - 1] = 0;
+                       MsgLen--;
+               }
+               printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
+               break;
+
+       case 0xff:
+               spin_unlock_irqrestore(&card->lock, flags);
+               printk(KERN_ERR "%s: card removed ?\n", card->name);
+               return IRQ_NONE;
+       default:
+               spin_unlock_irqrestore(&card->lock, flags);
+               printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
+                      card->name, b1cmd);
+               return IRQ_HANDLED;
+       }
+       return IRQ_HANDLED;
+}
+
+/* ------------------------------------------------------------- */
+static int b1ctl_proc_show(struct seq_file *m, void *v)
+{
+       struct capi_ctr *ctrl = m->private;
+       avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+       avmcard *card = cinfo->card;
+       u8 flag;
+       char *s;
+
+       seq_printf(m, "%-16s %s\n", "name", card->name);
+       seq_printf(m, "%-16s 0x%x\n", "io", card->port);
+       seq_printf(m, "%-16s %d\n", "irq", card->irq);
+       switch (card->cardtype) {
+       case avm_b1isa: s = "B1 ISA"; break;
+       case avm_b1pci: s = "B1 PCI"; break;
+       case avm_b1pcmcia: s = "B1 PCMCIA"; break;
+       case avm_m1: s = "M1"; break;
+       case avm_m2: s = "M2"; break;
+       case avm_t1isa: s = "T1 ISA (HEMA)"; break;
+       case avm_t1pci: s = "T1 PCI"; break;
+       case avm_c4: s = "C4"; break;
+       case avm_c2: s = "C2"; break;
+       default: s = "???"; break;
+       }
+       seq_printf(m, "%-16s %s\n", "type", s);
+       if (card->cardtype == avm_t1isa)
+               seq_printf(m, "%-16s %d\n", "cardnr", card->cardnr);
+       if ((s = cinfo->version[VER_DRIVER]) != NULL)
+               seq_printf(m, "%-16s %s\n", "ver_driver", s);
+       if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
+               seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
+       if ((s = cinfo->version[VER_SERIAL]) != NULL)
+               seq_printf(m, "%-16s %s\n", "ver_serial", s);
+
+       if (card->cardtype != avm_m1) {
+               flag = ((u8 *)(ctrl->profile.manu))[3];
+               if (flag)
+                       seq_printf(m, "%-16s%s%s%s%s%s%s%s\n",
+                                  "protocol",
+                                  (flag & 0x01) ? " DSS1" : "",
+                                  (flag & 0x02) ? " CT1" : "",
+                                  (flag & 0x04) ? " VN3" : "",
+                                  (flag & 0x08) ? " NI1" : "",
+                                  (flag & 0x10) ? " AUSTEL" : "",
+                                  (flag & 0x20) ? " ESS" : "",
+                                  (flag & 0x40) ? " 1TR6" : ""
+                               );
+       }
+       if (card->cardtype != avm_m1) {
+               flag = ((u8 *)(ctrl->profile.manu))[5];
+               if (flag)
+                       seq_printf(m, "%-16s%s%s%s%s\n",
+                                  "linetype",
+                                  (flag & 0x01) ? " point to point" : "",
+                                  (flag & 0x02) ? " point to multipoint" : "",
+                                  (flag & 0x08) ? " leased line without D-channel" : "",
+                                  (flag & 0x04) ? " leased line with D-channel" : ""
+                               );
+       }
+       seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
+
+       return 0;
+}
+
+static int b1ctl_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, b1ctl_proc_show, PDE_DATA(inode));
+}
+
+const struct file_operations b1ctl_proc_fops = {
+       .owner          = THIS_MODULE,
+       .open           = b1ctl_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+};
+EXPORT_SYMBOL(b1ctl_proc_fops);
+
+/* ------------------------------------------------------------- */
+
+#ifdef CONFIG_PCI
+
+avmcard_dmainfo *
+avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
+{
+       avmcard_dmainfo *p;
+       void *buf;
+
+       p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
+       if (!p) {
+               printk(KERN_WARNING "%s: no memory.\n", name);
+               goto err;
+       }
+
+       p->recvbuf.size = rsize;
+       buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
+       if (!buf) {
+               printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
+               goto err_kfree;
+       }
+       p->recvbuf.dmabuf = buf;
+
+       p->sendbuf.size = ssize;
+       buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
+       if (!buf) {
+               printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
+               goto err_free_consistent;
+       }
+
+       p->sendbuf.dmabuf = buf;
+       skb_queue_head_init(&p->send_queue);
+
+       return p;
+
+err_free_consistent:
+       pci_free_consistent(p->pcidev, p->recvbuf.size,
+                           p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
+err_kfree:
+       kfree(p);
+err:
+       return NULL;
+}
+
+void avmcard_dma_free(avmcard_dmainfo *p)
+{
+       pci_free_consistent(p->pcidev, p->recvbuf.size,
+                           p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
+       pci_free_consistent(p->pcidev, p->sendbuf.size,
+                           p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
+       skb_queue_purge(&p->send_queue);
+       kfree(p);
+}
+
+EXPORT_SYMBOL(avmcard_dma_alloc);
+EXPORT_SYMBOL(avmcard_dma_free);
+
+#endif
+
+EXPORT_SYMBOL(b1_irq_table);
+
+EXPORT_SYMBOL(b1_alloc_card);
+EXPORT_SYMBOL(b1_free_card);
+EXPORT_SYMBOL(b1_detect);
+EXPORT_SYMBOL(b1_getrevision);
+EXPORT_SYMBOL(b1_load_t4file);
+EXPORT_SYMBOL(b1_load_config);
+EXPORT_SYMBOL(b1_loaded);
+EXPORT_SYMBOL(b1_load_firmware);
+EXPORT_SYMBOL(b1_reset_ctr);
+EXPORT_SYMBOL(b1_register_appl);
+EXPORT_SYMBOL(b1_release_appl);
+EXPORT_SYMBOL(b1_send_message);
+
+EXPORT_SYMBOL(b1_parse_version);
+EXPORT_SYMBOL(b1_interrupt);
+
+static int __init b1_init(void)
+{
+       char *p;
+       char rev[32];
+
+       if ((p = strchr(revision, ':')) != NULL && p[1]) {
+               strlcpy(rev, p + 2, 32);
+               if ((p = strchr(rev, '$')) != NULL && p > rev)
+                       *(p - 1) = 0;
+       } else
+               strcpy(rev, "1.0");
+
+       printk(KERN_INFO "b1: revision %s\n", rev);
+
+       return 0;
+}
+
+static void __exit b1_exit(void)
+{
+}
+
+module_init(b1_init);
+module_exit(b1_exit);