patch-2.3.46 linux/drivers/isdn/avmb1/c4.c
Next file: linux/drivers/isdn/avmb1/capi.c
Previous file: linux/drivers/isdn/avmb1/b1pcmcia.c
Back to the patch index
Back to the overall index
- Lines: 1327
- Date:
Tue Feb 15 11:40:42 2000
- Orig file:
v2.3.45/linux/drivers/isdn/avmb1/c4.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.45/linux/drivers/isdn/avmb1/c4.c linux/drivers/isdn/avmb1/c4.c
@@ -0,0 +1,1326 @@
+/*
+ * $Id: c4.c,v 1.4 2000/02/02 18:36:03 calle Exp $
+ *
+ * Module for AVM C4 card.
+ *
+ * (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de)
+ *
+ * $Log: c4.c,v $
+ * Revision 1.4 2000/02/02 18:36:03 calle
+ * - Modules are now locked while init_module is running
+ * - fixed problem with memory mapping if address is not aligned
+ *
+ * Revision 1.3 2000/01/25 14:37:39 calle
+ * new message after successfull detection including card revision and
+ * used resources.
+ *
+ * Revision 1.2 2000/01/21 20:52:58 keil
+ * pci_find_subsys as local function for 2.2.X kernel
+ *
+ * Revision 1.1 2000/01/20 10:51:37 calle
+ * Added driver for C4.
+ *
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/capi.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include "capicmd.h"
+#include "capiutil.h"
+#include "capilli.h"
+#include "avmcard.h"
+
+static char *revision = "$Revision: 1.4 $";
+
+#undef CONFIG_C4_DEBUG
+#undef CONFIG_C4_POLLDEBUG
+
+/* ------------------------------------------------------------- */
+
+#ifndef PCI_VENDOR_ID_DEC
+#define PCI_VENDOR_ID_DEC 0x1011
+#endif
+
+#ifndef PCI_DEVICE_ID_DEC_21285
+#define PCI_DEVICE_ID_DEC_21285 0x1065
+#endif
+
+#ifndef PCI_VENDOR_ID_AVM
+#define PCI_VENDOR_ID_AVM 0x1244
+#endif
+
+#ifndef PCI_DEVICE_ID_AVM_C4
+#define PCI_DEVICE_ID_AVM_C4 0x0800
+#endif
+
+/* ------------------------------------------------------------- */
+
+int suppress_pollack = 0;
+
+MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
+
+MODULE_PARM(suppress_pollack, "0-1i");
+
+/* ------------------------------------------------------------- */
+
+static struct capi_driver_interface *di;
+
+/* ------------------------------------------------------------- */
+
+static void c4_dispatch_tx(avmcard *card);
+
+/* ------------------------------------------------------------- */
+
+#define DC21285_DRAM_A0MR 0x40000000
+#define DC21285_DRAM_A1MR 0x40004000
+#define DC21285_DRAM_A2MR 0x40008000
+#define DC21285_DRAM_A3MR 0x4000C000
+
+#define CAS_OFFSET 0x88
+
+#define DC21285_ARMCSR_BASE 0x42000000
+
+#define PCI_OUT_INT_STATUS 0x30
+#define PCI_OUT_INT_MASK 0x34
+#define MAILBOX_0 0x50
+#define MAILBOX_1 0x54
+#define MAILBOX_2 0x58
+#define MAILBOX_3 0x5C
+#define DOORBELL 0x60
+#define DOORBELL_SETUP 0x64
+
+#define CHAN_1_CONTROL 0x90
+#define CHAN_2_CONTROL 0xB0
+#define DRAM_TIMING 0x10C
+#define DRAM_ADDR_SIZE_0 0x110
+#define DRAM_ADDR_SIZE_1 0x114
+#define DRAM_ADDR_SIZE_2 0x118
+#define DRAM_ADDR_SIZE_3 0x11C
+#define SA_CONTROL 0x13C
+#define XBUS_CYCLE 0x148
+#define XBUS_STROBE 0x14C
+#define DBELL_PCI_MASK 0x150
+#define DBELL_SA_MASK 0x154
+
+#define SDRAM_SIZE 0x1000000
+
+/* ------------------------------------------------------------- */
+
+#define MBOX_PEEK_POKE MAILBOX_0
+
+#define DBELL_ADDR 0x01
+#define DBELL_DATA 0x02
+#define DBELL_RNWR 0x40
+#define DBELL_INIT 0x80
+
+/* ------------------------------------------------------------- */
+
+#define MBOX_UP_ADDR MAILBOX_0
+#define MBOX_UP_LEN MAILBOX_1
+#define MBOX_DOWN_ADDR MAILBOX_2
+#define MBOX_DOWN_LEN MAILBOX_3
+
+#define DBELL_UP_HOST 0x00000100
+#define DBELL_UP_ARM 0x00000200
+#define DBELL_DOWN_HOST 0x00000400
+#define DBELL_DOWN_ARM 0x00000800
+#define DBELL_RESET_HOST 0x40000000
+#define DBELL_RESET_ARM 0x80000000
+
+/* ------------------------------------------------------------- */
+
+#define DRAM_TIMING_DEF 0x001A01A5
+#define DRAM_AD_SZ_DEF0 0x00000045
+#define DRAM_AD_SZ_NULL 0x00000000
+
+#define SA_CTL_ALLRIGHT 0x64AA0271
+
+#define INIT_XBUS_CYCLE 0x100016DB
+#define INIT_XBUS_STROBE 0xF1F1F1F1
+
+/* ------------------------------------------------------------- */
+
+#define RESET_TIMEOUT (15*HZ) /* 15 sec */
+#define PEEK_POKE_TIMEOUT (HZ/10) /* 0.1 sec */
+
+/* ------------------------------------------------------------- */
+
+#define c4outmeml(addr, value) writel(value, addr)
+#define c4inmeml(addr) readl(addr)
+#define c4outmemw(addr, value) writew(value, addr)
+#define c4inmemw(addr) readw(addr)
+#define c4outmemb(addr, value) writeb(value, addr)
+#define c4inmemb(addr) readb(addr)
+
+/* ------------------------------------------------------------- */
+
+static inline int wait_for_doorbell(avmcard *card, unsigned long t)
+{
+ unsigned long stop;
+
+ stop = jiffies + t;
+ while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
+ if (!time_before(jiffies, stop))
+ return -1;
+ }
+ return 0;
+}
+
+static int c4_poke(avmcard *card, unsigned long off, unsigned long value)
+{
+
+ if (wait_for_doorbell(card, HZ/10) < 0)
+ return -1;
+
+ c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
+ c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
+
+ if (wait_for_doorbell(card, HZ/10) < 0)
+ return -1;
+
+ c4outmeml(card->mbase+MBOX_PEEK_POKE, value);
+ c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR);
+
+ return 0;
+}
+
+static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep)
+{
+ if (wait_for_doorbell(card, HZ/10) < 0)
+ return -1;
+
+ c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
+ c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR);
+
+ if (wait_for_doorbell(card, HZ/10) < 0)
+ return -1;
+
+ *valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------- */
+
+static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file)
+{
+ __u32 val;
+ unsigned char *dp;
+ int left, retval;
+ __u32 loadoff = 0;
+
+ dp = t4file->data;
+ left = t4file->len;
+ while (left >= sizeof(__u32)) {
+ if (t4file->user) {
+ retval = copy_from_user(&val, dp, sizeof(val));
+ if (retval)
+ return -EFAULT;
+ } else {
+ memcpy(&val, dp, sizeof(val));
+ }
+ if (c4_poke(card, loadoff, val)) {
+ printk(KERN_ERR "%s: corrupted firmware file ?\n",
+ card->name);
+ return -EIO;
+ }
+ left -= sizeof(__u32);
+ dp += sizeof(__u32);
+ loadoff += sizeof(__u32);
+ }
+ if (left) {
+ val = 0;
+ if (t4file->user) {
+ retval = copy_from_user(&val, dp, left);
+ if (retval)
+ return -EFAULT;
+ } else {
+ memcpy(&val, dp, left);
+ }
+ if (c4_poke(card, loadoff, val)) {
+ printk(KERN_ERR "%s: corrupted firmware file ?\n",
+ card->name);
+ return -EIO;
+ }
+ }
+ return 0;
+}
+
+/* ------------------------------------------------------------- */
+
+static inline void _put_byte(void **pp, __u8 val)
+{
+ __u8 *s = *pp;
+ *s++ = val;
+ *pp = s;
+}
+
+static inline void _put_word(void **pp, __u32 val)
+{
+ __u8 *s = *pp;
+ *s++ = val & 0xff;
+ *s++ = (val >> 8) & 0xff;
+ *s++ = (val >> 16) & 0xff;
+ *s++ = (val >> 24) & 0xff;
+ *pp = s;
+}
+
+static inline void _put_slice(void **pp, unsigned char *dp, unsigned int len)
+{
+ unsigned i = len;
+ _put_word(pp, i);
+ while (i-- > 0)
+ _put_byte(pp, *dp++);
+}
+
+static inline __u8 _get_byte(void **pp)
+{
+ __u8 *s = *pp;
+ __u8 val;
+ val = *s++;
+ *pp = s;
+ return val;
+}
+
+static inline __u32 _get_word(void **pp)
+{
+ __u8 *s = *pp;
+ __u32 val;
+ val = *s++;
+ val |= (*s++ << 8);
+ val |= (*s++ << 16);
+ val |= (*s++ << 24);
+ *pp = s;
+ return val;
+}
+
+static inline __u32 _get_slice(void **pp, unsigned char *dp)
+{
+ unsigned int len, i;
+
+ len = i = _get_word(pp);
+ while (i-- > 0) *dp++ = _get_byte(pp);
+ return len;
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_reset(avmcard *card)
+{
+ unsigned long stop;
+
+ c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
+
+ stop = jiffies + HZ*10;
+ while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
+ if (!time_before(jiffies, stop))
+ return;
+ c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
+ }
+
+ c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
+ c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
+}
+
+/* ------------------------------------------------------------- */
+
+static int c4_detect(avmcard *card)
+{
+ unsigned long stop, dummy;
+
+ c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
+ if (c4inmeml(card->mbase+PCI_OUT_INT_MASK) != 0x0c)
+ return 1;
+
+ c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
+
+ stop = jiffies + HZ*10;
+ while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
+ if (!time_before(jiffies, stop))
+ return 2;
+ c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
+ }
+
+ c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
+ c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
+
+ c4outmeml(card->mbase+MAILBOX_0, 0x55aa55aa);
+ if (c4inmeml(card->mbase+MAILBOX_0) != 0x55aa55aa) return 3;
+
+ c4outmeml(card->mbase+MAILBOX_0, 0xaa55aa55);
+ if (c4inmeml(card->mbase+MAILBOX_0) != 0xaa55aa55) return 4;
+
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_SA_MASK, 0)) return 5;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_PCI_MASK, 0)) return 6;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+SA_CONTROL, SA_CTL_ALLRIGHT))
+ return 7;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_CYCLE, INIT_XBUS_CYCLE))
+ return 8;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_STROBE, INIT_XBUS_STROBE))
+ return 8;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, 0)) return 9;
+
+ udelay(1000);
+
+ if (c4_peek(card, DC21285_DRAM_A0MR, &dummy)) return 10;
+ if (c4_peek(card, DC21285_DRAM_A1MR, &dummy)) return 11;
+ if (c4_peek(card, DC21285_DRAM_A2MR, &dummy)) return 12;
+ if (c4_peek(card, DC21285_DRAM_A3MR, &dummy)) return 13;
+
+ if (c4_poke(card, DC21285_DRAM_A0MR+CAS_OFFSET, 0)) return 14;
+ if (c4_poke(card, DC21285_DRAM_A1MR+CAS_OFFSET, 0)) return 15;
+ if (c4_poke(card, DC21285_DRAM_A2MR+CAS_OFFSET, 0)) return 16;
+ if (c4_poke(card, DC21285_DRAM_A3MR+CAS_OFFSET, 0)) return 17;
+
+ udelay(1000);
+
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, DRAM_TIMING_DEF))
+ return 18;
+
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_0,DRAM_AD_SZ_DEF0))
+ return 19;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_1,DRAM_AD_SZ_NULL))
+ return 20;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_2,DRAM_AD_SZ_NULL))
+ return 21;
+ if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_3,DRAM_AD_SZ_NULL))
+ return 22;
+
+ /* Transputer test */
+
+ if ( c4_poke(card, 0x000000, 0x11111111)
+ || c4_poke(card, 0x400000, 0x22222222)
+ || c4_poke(card, 0x800000, 0x33333333)
+ || c4_poke(card, 0xC00000, 0x44444444))
+ return 23;
+
+ if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111
+ || c4_peek(card, 0x400000, &dummy) || dummy != 0x22222222
+ || c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333
+ || c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444)
+ return 24;
+
+ if ( c4_poke(card, 0x000000, 0x55555555)
+ || c4_poke(card, 0x400000, 0x66666666)
+ || c4_poke(card, 0x800000, 0x77777777)
+ || c4_poke(card, 0xC00000, 0x88888888))
+ return 25;
+
+ if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555
+ || c4_peek(card, 0x400000, &dummy) || dummy != 0x66666666
+ || c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777
+ || c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888)
+ return 26;
+
+ return 0;
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_dispatch_tx(avmcard *card)
+{
+ avmcard_dmainfo *dma = card->dma;
+ unsigned long flags;
+ struct sk_buff *skb;
+ __u8 cmd, subcmd;
+ __u16 len;
+ __u32 txlen;
+ void *p;
+
+ save_flags(flags);
+ cli();
+
+ if (card->csr & DBELL_DOWN_ARM) { /* tx busy */
+ restore_flags(flags);
+ return;
+ }
+
+ skb = skb_dequeue(&dma->send_queue);
+ if (!skb) {
+#ifdef CONFIG_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx underrun\n", card->name);
+#endif
+ restore_flags(flags);
+ return;
+ }
+
+ len = CAPIMSG_LEN(skb->data);
+
+ if (len) {
+ cmd = CAPIMSG_COMMAND(skb->data);
+ subcmd = CAPIMSG_SUBCOMMAND(skb->data);
+
+ p = dma->sendbuf;
+
+ if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
+ __u16 dlen = CAPIMSG_DATALEN(skb->data);
+ _put_byte(&p, SEND_DATA_B3_REQ);
+ _put_slice(&p, skb->data, len);
+ _put_slice(&p, skb->data + len, dlen);
+ } else {
+ _put_byte(&p, SEND_MESSAGE);
+ _put_slice(&p, skb->data, len);
+ }
+ txlen = (__u8 *)p - (__u8 *)dma->sendbuf;
+#ifdef CONFIG_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen);
+#endif
+ } else {
+ txlen = skb->len-2;
+#ifdef CONFIG_C4_POLLDEBUG
+ if (skb->data[2] == SEND_POLLACK)
+ printk(KERN_INFO "%s: ack to c4\n", card->name);
+#endif
+#ifdef CONFIG_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
+ card->name, skb->data[2], txlen);
+#endif
+ memcpy(dma->sendbuf, skb->data+2, skb->len-2);
+ }
+ txlen = (txlen + 3) & ~3;
+
+ c4outmeml(card->mbase+MBOX_DOWN_ADDR, virt_to_phys(dma->sendbuf));
+ c4outmeml(card->mbase+MBOX_DOWN_LEN, txlen);
+
+ card->csr |= DBELL_DOWN_ARM;
+
+ c4outmeml(card->mbase+DOORBELL, DBELL_DOWN_ARM);
+
+ restore_flags(flags);
+ dev_kfree_skb(skb);
+}
+
+/* ------------------------------------------------------------- */
+
+static void queue_pollack(avmcard *card)
+{
+ struct sk_buff *skb;
+ void *p;
+
+ skb = alloc_skb(3, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, lost poll ack\n",
+ card->name);
+ return;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_POLLACK);
+ skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_handle_rx(avmcard *card)
+{
+ avmcard_dmainfo *dma = card->dma;
+ struct capi_ctr *ctrl;
+ avmctrl_info *cinfo;
+ struct sk_buff *skb;
+ void *p = dma->recvbuf;
+ __u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
+ __u8 b1cmd = _get_byte(&p);
+ __u32 cidx;
+
+
+#ifdef CONFIG_C4_DEBUG
+ printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name,
+ b1cmd, (unsigned long)dma->recvlen);
+#endif
+
+ switch (b1cmd) {
+ case RECEIVE_DATA_B3_IND:
+
+ ApplId = (unsigned) _get_word(&p);
+ MsgLen = _get_slice(&p, card->msgbuf);
+ DataB3Len = _get_slice(&p, card->databuf);
+ cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
+ if (cidx > 3) cidx = 0;
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+
+ 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);
+ ctrl->handle_capimsg(ctrl, ApplId, skb);
+ }
+ break;
+
+ case RECEIVE_MESSAGE:
+
+ ApplId = (unsigned) _get_word(&p);
+ MsgLen = _get_slice(&p, card->msgbuf);
+ cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
+ if (cidx > 3) cidx = 0;
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+
+ if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
+ printk(KERN_ERR "%s: incoming packet dropped\n",
+ card->name);
+ } else {
+ memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
+ ctrl->handle_capimsg(ctrl, ApplId, skb);
+ }
+ break;
+
+ case RECEIVE_NEW_NCCI:
+
+ ApplId = _get_word(&p);
+ NCCI = _get_word(&p);
+ WindowSize = _get_word(&p);
+ cidx = (NCCI&0x7f) - card->cardnr;
+ if (cidx > 3) cidx = 0;
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+
+ ctrl->new_ncci(ctrl, ApplId, NCCI, WindowSize);
+
+ break;
+
+ case RECEIVE_FREE_NCCI:
+
+ ApplId = _get_word(&p);
+ NCCI = _get_word(&p);
+
+ if (NCCI != 0xffffffff) {
+ cidx = (NCCI&0x7f) - card->cardnr;
+ if (cidx > 3) cidx = 0;
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+ ctrl->free_ncci(ctrl, ApplId, NCCI);
+ } else {
+ for (cidx=0; cidx < 4; cidx++) {
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+ ctrl->appl_released(ctrl, ApplId);
+ }
+ }
+ break;
+
+ case RECEIVE_START:
+#ifdef CONFIG_C4_POLLDEBUG
+ printk(KERN_INFO "%s: poll from c4\n", card->name);
+#endif
+ if (!suppress_pollack)
+ queue_pollack(card);
+ for (cidx=0; cidx < 4; cidx++) {
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+ ctrl->resume_output(ctrl);
+ }
+ break;
+
+ case RECEIVE_STOP:
+ for (cidx=0; cidx < 4; cidx++) {
+ ctrl = card->ctrlinfo[cidx].capi_ctrl;
+ ctrl->suspend_output(ctrl);
+ }
+ break;
+
+ case RECEIVE_INIT:
+
+ cidx = card->nlogcontr++;
+ cinfo = &card->ctrlinfo[cidx];
+ ctrl = cinfo->capi_ctrl;
+ cinfo->versionlen = _get_slice(&p, cinfo->versionbuf);
+ b1_parse_version(cinfo);
+ printk(KERN_INFO "%s: %s-card (%s) now active\n",
+ card->name,
+ cinfo->version[VER_CARDTYPE],
+ cinfo->version[VER_DRIVER]);
+ ctrl->ready(cinfo->capi_ctrl);
+ break;
+
+ case RECEIVE_TASK_READY:
+ ApplId = (unsigned) _get_word(&p);
+ MsgLen = _get_slice(&p, card->msgbuf);
+ card->msgbuf[MsgLen--] = 0;
+ while ( MsgLen >= 0
+ && ( card->msgbuf[MsgLen] == '\n'
+ || card->msgbuf[MsgLen] == '\r'))
+ card->msgbuf[MsgLen--] = 0;
+ printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
+ card->name, ApplId, card->msgbuf);
+ break;
+
+ case RECEIVE_DEBUGMSG:
+ MsgLen = _get_slice(&p, card->msgbuf);
+ card->msgbuf[MsgLen--] = 0;
+ while ( MsgLen >= 0
+ && ( card->msgbuf[MsgLen] == '\n'
+ || card->msgbuf[MsgLen] == '\r'))
+ card->msgbuf[MsgLen--] = 0;
+ printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
+ break;
+
+ default:
+ printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n",
+ card->name, b1cmd);
+ return;
+ }
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_handle_interrupt(avmcard *card)
+{
+ __u32 status = c4inmeml(card->mbase+DOORBELL);
+
+ if (status & DBELL_RESET_HOST) {
+ int i;
+ c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
+ printk(KERN_ERR "%s: unexpected reset\n", card->name);
+ for (i=0; i < 4; i++) {
+ avmctrl_info *cinfo = &card->ctrlinfo[i];
+ memset(cinfo->version, 0, sizeof(cinfo->version));
+ if (cinfo->capi_ctrl)
+ cinfo->capi_ctrl->reseted(cinfo->capi_ctrl);
+ }
+ return;
+ }
+
+ status &= (DBELL_UP_HOST | DBELL_DOWN_HOST);
+ if (!status)
+ return;
+ c4outmeml(card->mbase+DOORBELL, status);
+
+ if ((status & DBELL_UP_HOST) != 0) {
+ card->dma->recvlen = c4inmeml(card->mbase+MBOX_UP_LEN);
+ c4outmeml(card->mbase+MBOX_UP_LEN, 0);
+ c4_handle_rx(card);
+ card->dma->recvlen = 0;
+ c4outmeml(card->mbase+MBOX_UP_LEN, sizeof(card->dma->recvbuf));
+ c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM);
+ }
+
+ if ((status & DBELL_DOWN_HOST) != 0) {
+ card->csr &= ~DBELL_DOWN_ARM;
+ c4_dispatch_tx(card);
+ } else if (card->csr & DBELL_DOWN_HOST) {
+ if (c4inmeml(card->mbase+MBOX_DOWN_LEN) == 0) {
+ card->csr &= ~DBELL_DOWN_ARM;
+ c4_dispatch_tx(card);
+ }
+ }
+}
+
+static void c4_interrupt(int interrupt, void *devptr, struct pt_regs *regs)
+{
+ avmcard *card;
+
+ card = (avmcard *) devptr;
+
+ if (!card) {
+ printk(KERN_WARNING "%s: interrupt: wrong device\n", card->name);
+ return;
+ }
+ if (card->interrupt) {
+ printk(KERN_ERR "%s: reentering interrupt hander\n",
+ card->name);
+ return;
+ }
+
+ card->interrupt = 1;
+
+ c4_handle_interrupt(card);
+
+ card->interrupt = 0;
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_send_init(avmcard *card)
+{
+ struct sk_buff *skb;
+ void *p;
+
+ skb = alloc_skb(15, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, lost register appl.\n",
+ card->name);
+ return;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_INIT);
+ _put_word(&p, AVM_NAPPS);
+ _put_word(&p, AVM_NCCI_PER_CHANNEL*30);
+ _put_word(&p, card->cardnr - 1);
+ skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+}
+
+static int c4_send_config(avmcard *card, capiloaddatapart * config)
+{
+ struct sk_buff *skb;
+ __u8 val[sizeof(__u32)];
+ void *p;
+ unsigned char *dp;
+ int left, retval;
+
+ skb = alloc_skb(12 + ((config->len+3)/4)*5, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, can't send config.\n",
+ card->name);
+ return -ENOMEM;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_CONFIG);
+ _put_word(&p, 1);
+ _put_byte(&p, SEND_CONFIG);
+ _put_word(&p, config->len); /* 12 */
+
+ dp = config->data;
+ left = config->len;
+ while (left >= sizeof(__u32)) {
+ if (config->user) {
+ retval = copy_from_user(val, dp, sizeof(val));
+ if (retval) {
+ dev_kfree_skb(skb);
+ return -EFAULT;
+ }
+ } else {
+ memcpy(val, dp, sizeof(val));
+ }
+ _put_byte(&p, SEND_CONFIG);
+ _put_byte(&p, val[0]);
+ _put_byte(&p, val[1]);
+ _put_byte(&p, val[2]);
+ _put_byte(&p, val[3]);
+ left -= sizeof(val);
+ dp += sizeof(val);
+ }
+ if (left) {
+ memset(val, 0, sizeof(val));
+ if (config->user) {
+ retval = copy_from_user(&val, dp, left);
+ if (retval) {
+ dev_kfree_skb(skb);
+ return -EFAULT;
+ }
+ } else {
+ memcpy(&val, dp, left);
+ }
+ _put_byte(&p, SEND_CONFIG);
+ _put_byte(&p, val[0]);
+ _put_byte(&p, val[1]);
+ _put_byte(&p, val[2]);
+ _put_byte(&p, val[3]);
+ }
+
+ skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+
+ return 0;
+}
+
+static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ unsigned long flags;
+ int retval;
+
+ if ((retval = c4_load_t4file(card, &data->firmware))) {
+ printk(KERN_ERR "%s: failed to load t4file!!\n",
+ card->name);
+ c4_reset(card);
+ return retval;
+ }
+
+ save_flags(flags);
+ cli();
+
+ card->csr = 0;
+ c4outmeml(card->mbase+MBOX_UP_LEN, 0);
+ c4outmeml(card->mbase+MBOX_DOWN_LEN, 0);
+ c4outmeml(card->mbase+DOORBELL, DBELL_INIT);
+ udelay(1000);
+ c4outmeml(card->mbase+DOORBELL,
+ DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST);
+
+ c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x08);
+
+ card->dma->recvlen = 0;
+ c4outmeml(card->mbase+MBOX_UP_ADDR, virt_to_phys(card->dma->recvbuf));
+ c4outmeml(card->mbase+MBOX_UP_LEN, sizeof(card->dma->recvbuf));
+ c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM);
+ restore_flags(flags);
+
+ if (data->configuration.len > 0 && data->configuration.data)
+ c4_send_config(card, &data->configuration);
+
+ c4_send_init(card);
+
+ return 0;
+}
+
+
+void c4_reset_ctr(struct capi_ctr *ctrl)
+{
+ avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
+ avmctrl_info *cinfo;
+ int i;
+
+ c4_reset(card);
+
+ for (i=0; i < 4; i++) {
+ cinfo = &card->ctrlinfo[i];
+ memset(cinfo->version, 0, sizeof(cinfo->version));
+ if (cinfo->capi_ctrl)
+ cinfo->capi_ctrl->reseted(cinfo->capi_ctrl);
+ }
+}
+
+static void c4_remove_ctr(struct capi_ctr *ctrl)
+{
+ avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
+ avmctrl_info *cinfo;
+ int i;
+
+ c4_reset(card);
+
+ for (i=0; i <= 4; i++) {
+ cinfo = &card->ctrlinfo[i];
+ if (cinfo->capi_ctrl)
+ di->detach_ctr(cinfo->capi_ctrl);
+ }
+
+ free_irq(card->irq, card);
+ iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
+ release_region(card->port, AVMB1_PORTLEN);
+ ctrl->driverdata = 0;
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+
+ MOD_DEC_USE_COUNT;
+}
+
+/* ------------------------------------------------------------- */
+
+
+void c4_register_appl(struct capi_ctr *ctrl,
+ __u16 appl,
+ capi_register_params *rp)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ struct sk_buff *skb;
+ int want = rp->level3cnt;
+ int nconn;
+ void *p;
+
+ if (ctrl->cnr == card->cardnr) {
+
+ if (want > 0) nconn = want;
+ else nconn = ctrl->profile.nbchannel * 4 * -want;
+ if (nconn == 0) nconn = ctrl->profile.nbchannel * 4;
+
+ skb = alloc_skb(23, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, lost register appl.\n",
+ card->name);
+ return;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_REGISTER);
+ _put_word(&p, appl);
+ _put_word(&p, 1024 * (nconn+1));
+ _put_word(&p, nconn);
+ _put_word(&p, rp->datablkcnt);
+ _put_word(&p, rp->datablklen);
+ skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+ }
+
+ ctrl->appl_registered(ctrl, appl);
+}
+
+/* ------------------------------------------------------------- */
+
+void c4_release_appl(struct capi_ctr *ctrl, __u16 appl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ struct sk_buff *skb;
+ void *p;
+
+ if (ctrl->cnr == card->cardnr) {
+ skb = alloc_skb(7, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, lost release appl.\n",
+ card->name);
+ return;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_RELEASE);
+ _put_word(&p, appl);
+
+ skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+ }
+}
+
+/* ------------------------------------------------------------- */
+
+
+static void c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static char *c4_procinfo(struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+
+ if (!cinfo)
+ return "";
+ sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx",
+ cinfo->cardname[0] ? cinfo->cardname : "-",
+ cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
+ cinfo->card ? cinfo->card->port : 0x0,
+ cinfo->card ? cinfo->card->irq : 0,
+ cinfo->card ? cinfo->card->membase : 0
+ );
+ return cinfo->infobuf;
+}
+
+static int c4_read_proc(char *page, char **start, off_t off,
+ int count, int *eof, struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ __u8 flag;
+ int len = 0;
+ char *s;
+
+ len += sprintf(page+len, "%-16s %s\n", "name", card->name);
+ len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port);
+ len += sprintf(page+len, "%-16s %d\n", "irq", card->irq);
+ len += sprintf(page+len, "%-16s 0x%lx\n", "membase", card->membase);
+ 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;
+ default: s = "???"; break;
+ }
+ len += sprintf(page+len, "%-16s %s\n", "type", s);
+ if ((s = cinfo->version[VER_DRIVER]) != 0)
+ len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
+ if ((s = cinfo->version[VER_CARDTYPE]) != 0)
+ len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
+ if ((s = cinfo->version[VER_SERIAL]) != 0)
+ len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
+
+ if (card->cardtype != avm_m1) {
+ flag = ((__u8 *)(ctrl->profile.manu))[3];
+ if (flag)
+ len += sprintf(page+len, "%-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)
+ len += sprintf(page+len, "%-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" : ""
+ );
+ }
+ len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
+
+ if (off+count >= len)
+ *eof = 1;
+ if (len < off)
+ return 0;
+ *start = page + off;
+ return ((count < len-off) ? count : len-off);
+}
+
+/* ------------------------------------------------------------- */
+
+static int c4_add_card(struct capi_driver *driver, struct capicardparams *p)
+{
+ unsigned long base, page_offset;
+ avmctrl_info *cinfo;
+ avmcard *card;
+ int retval;
+ int i;
+
+ MOD_INC_USE_COUNT;
+
+ card = (avmcard *) kmalloc(sizeof(avmcard), GFP_ATOMIC);
+
+ if (!card) {
+ printk(KERN_WARNING "%s: no memory.\n", driver->name);
+ MOD_DEC_USE_COUNT;
+ return -ENOMEM;
+ }
+ memset(card, 0, sizeof(avmcard));
+ card->dma = (avmcard_dmainfo *) kmalloc(sizeof(avmcard_dmainfo), GFP_ATOMIC);
+ if (!card->dma) {
+ printk(KERN_WARNING "%s: no memory.\n", driver->name);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -ENOMEM;
+ }
+ memset(card->dma, 0, sizeof(avmcard_dmainfo));
+ cinfo = (avmctrl_info *) kmalloc(sizeof(avmctrl_info)*4, GFP_ATOMIC);
+ if (!cinfo) {
+ printk(KERN_WARNING "%s: no memory.\n", driver->name);
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -ENOMEM;
+ }
+ memset(cinfo, 0, sizeof(avmctrl_info)*4);
+ card->ctrlinfo = cinfo;
+ for (i=0; i < 4; i++) {
+ cinfo = &card->ctrlinfo[i];
+ cinfo->card = card;
+ }
+ sprintf(card->name, "c4-%x", p->port);
+ card->port = p->port;
+ card->irq = p->irq;
+ card->membase = p->membase;
+ card->cardtype = avm_c4;
+
+ if (check_region(card->port, AVMB1_PORTLEN)) {
+ printk(KERN_WARNING
+ "%s: ports 0x%03x-0x%03x in use.\n",
+ driver->name, card->port, card->port + AVMB1_PORTLEN);
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -EBUSY;
+ }
+
+ base = card->membase & PAGE_MASK;
+ page_offset = card->membase - base;
+ card->mbase = ioremap_nocache(base, page_offset + 128);
+ if (card->mbase) {
+ card->mbase += page_offset;
+ } else {
+ printk(KERN_NOTICE "%s: can't remap memory at 0x%lx\n",
+ driver->name, card->membase);
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -EIO;
+ }
+
+ if ((retval = c4_detect(card)) != 0) {
+ printk(KERN_NOTICE "%s: NO card at 0x%x (%d)\n",
+ driver->name, card->port, retval);
+ iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -EIO;
+ }
+ c4_reset(card);
+
+ request_region(p->port, AVMB1_PORTLEN, card->name);
+
+ retval = request_irq(card->irq, c4_interrupt, SA_SHIRQ, card->name, card);
+ if (retval) {
+ printk(KERN_ERR "%s: unable to get IRQ %d.\n",
+ driver->name, card->irq);
+ iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
+ release_region(card->port, AVMB1_PORTLEN);
+ kfree(card->ctrlinfo);
+ kfree(card->dma);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -EBUSY;
+ }
+
+ for (i=0; i < 4; i++) {
+ cinfo = &card->ctrlinfo[i];
+ cinfo->card = card;
+ cinfo->capi_ctrl = di->attach_ctr(driver, card->name, cinfo);
+ if (!cinfo->capi_ctrl) {
+ printk(KERN_ERR "%s: attach controller failed (%d).\n",
+ driver->name, i);
+ for (i--; i >= 0; i--) {
+ cinfo = &card->ctrlinfo[i];
+ di->detach_ctr(cinfo->capi_ctrl);
+ }
+ iounmap((void *) (((unsigned long) card->mbase) & PAGE_MASK));
+ free_irq(card->irq, card);
+ release_region(card->port, AVMB1_PORTLEN);
+ kfree(card->dma);
+ kfree(card->ctrlinfo);
+ kfree(card);
+ MOD_DEC_USE_COUNT;
+ return -EBUSY;
+ }
+ if (i == 0)
+ card->cardnr = cinfo->capi_ctrl->cnr;
+ }
+
+ skb_queue_head_init(&card->dma->send_queue);
+
+ printk(KERN_INFO
+ "%s: AVM C4 at i/o %#x, irq %d, mem %#lx\n",
+ driver->name, card->port, card->irq, card->membase);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------- */
+
+static struct capi_driver c4_driver = {
+ "c4",
+ "0.0",
+ c4_load_firmware,
+ c4_reset_ctr,
+ c4_remove_ctr,
+ c4_register_appl,
+ c4_release_appl,
+ c4_send_message,
+
+ c4_procinfo,
+ c4_read_proc,
+ 0, /* use standard driver_read_proc */
+
+ 0, /* no add_card function */
+};
+
+#ifdef MODULE
+#define c4_init init_module
+void cleanup_module(void);
+#endif
+
+
+static int ncards = 0;
+
+int c4_init(void)
+{
+ struct capi_driver *driver = &c4_driver;
+ struct pci_dev *dev = NULL;
+ char *p;
+ int retval;
+
+ if ((p = strchr(revision, ':'))) {
+ strncpy(driver->revision, p + 1, sizeof(driver->revision));
+ p = strchr(driver->revision, '$');
+ *p = 0;
+ }
+
+ printk(KERN_INFO "%s: revision %s\n", driver->name, driver->revision);
+
+ di = attach_capi_driver(driver);
+
+ if (!di) {
+ printk(KERN_ERR "%s: failed to attach capi_driver\n",
+ driver->name);
+ return -EIO;
+ }
+
+#ifdef CONFIG_PCI
+ if (!pci_present()) {
+ printk(KERN_ERR "%s: no PCI bus present\n", driver->name);
+ detach_capi_driver(driver);
+ return -EIO;
+ }
+
+ while ((dev = pci_find_subsys(
+ PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285,
+ PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, dev))) {
+ struct capicardparams param;
+
+ param.port = dev->resource[ 1].start & PCI_BASE_ADDRESS_IO_MASK;
+ param.irq = dev->irq;
+ param.membase = dev->resource[ 0].start & PCI_BASE_ADDRESS_MEM_MASK;
+
+ printk(KERN_INFO
+ "%s: PCI BIOS reports AVM-C4 at i/o %#x, irq %d, mem %#x\n",
+ driver->name, param.port, param.irq, param.membase);
+ retval = c4_add_card(driver, ¶m);
+ if (retval != 0) {
+ printk(KERN_ERR
+ "%s: no AVM-C4 at i/o %#x, irq %d detected, mem %#x\n",
+ driver->name, param.port, param.irq, param.membase);
+#ifdef MODULE
+ cleanup_module();
+#endif
+ return retval;
+ }
+ ncards++;
+ }
+ if (ncards) {
+ printk(KERN_INFO "%s: %d C4 card(s) detected\n",
+ driver->name, ncards);
+ return 0;
+ }
+ printk(KERN_ERR "%s: NO C4 card detected\n", driver->name);
+ return -ESRCH;
+#else
+ printk(KERN_ERR "%s: kernel not compiled with PCI.\n", driver->name);
+ return -EIO;
+#endif
+}
+
+#ifdef MODULE
+void cleanup_module(void)
+{
+ detach_capi_driver(&c4_driver);
+}
+#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)