--- /dev/null
+/* $Id: c4.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ *
+ * Module for AVM C4 & C2 card.
+ *
+ * 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/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/pci.h>
+#include <linux/capi.h>
+#include <linux/kernelcapi.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include <linux/netdevice.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+#include <linux/isdn/capilli.h>
+#include "avmcard.h"
+
+#undef AVM_C4_DEBUG
+#undef AVM_C4_POLLDEBUG
+
+/* ------------------------------------------------------------- */
+
+static char *revision = "$Revision: 1.1.2.2 $";
+
+/* ------------------------------------------------------------- */
+
+static bool suppress_pollack;
+
+static struct pci_device_id c4_pci_tbl[] = {
+ { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 },
+ { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 },
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(pci, c4_pci_tbl);
+MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM C2/C4 cards");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+module_param(suppress_pollack, bool, 0);
+
+/* ------------------------------------------------------------- */
+
+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;
+ mb();
+ }
+ 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;
+ u_int left;
+ u32 loadoff = 0;
+
+ dp = t4file->data;
+ left = t4file->len;
+ while (left >= sizeof(u32)) {
+ if (t4file->user) {
+ if (copy_from_user(&val, dp, sizeof(val)))
+ 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) {
+ if (copy_from_user(&val, dp, left))
+ 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);
+ mb();
+ }
+
+ 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);
+ mb();
+ }
+
+ 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;
+
+ mdelay(1);
+
+ 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;
+
+ mdelay(1);
+
+ 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;
+ struct sk_buff *skb;
+ u8 cmd, subcmd;
+ u16 len;
+ u32 txlen;
+ void *p;
+
+
+ if (card->csr & DBELL_DOWN_ARM) { /* tx busy */
+ return;
+ }
+
+ skb = skb_dequeue(&dma->send_queue);
+ if (!skb) {
+#ifdef AVM_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx underrun\n", card->name);
+#endif
+ return;
+ }
+
+ len = CAPIMSG_LEN(skb->data);
+
+ if (len) {
+ cmd = CAPIMSG_COMMAND(skb->data);
+ subcmd = CAPIMSG_SUBCOMMAND(skb->data);
+
+ p = dma->sendbuf.dmabuf;
+
+ 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.dmabuf;
+#ifdef AVM_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen);
+#endif
+ } else {
+ txlen = skb->len - 2;
+#ifdef AVM_C4_POLLDEBUG
+ if (skb->data[2] == SEND_POLLACK)
+ printk(KERN_INFO "%s: ack to c4\n", card->name);
+#endif
+#ifdef AVM_C4_DEBUG
+ printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
+ card->name, skb->data[2], txlen);
+#endif
+ skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
+ skb->len - 2);
+ }
+ txlen = (txlen + 3) & ~3;
+
+ c4outmeml(card->mbase + MBOX_DOWN_ADDR, dma->sendbuf.dmaaddr);
+ c4outmeml(card->mbase + MBOX_DOWN_LEN, txlen);
+
+ card->csr |= DBELL_DOWN_ARM;
+
+ c4outmeml(card->mbase + DOORBELL, DBELL_DOWN_ARM);
+
+ dev_kfree_skb_any(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.dmabuf;
+ u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
+ u8 b1cmd = _get_byte(&p);
+ u32 cidx;
+
+
+#ifdef AVM_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 >= card->nlogcontr) 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);
+ capi_ctr_handle_message(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 >= card->nlogcontr) cidx = 0;
+ cinfo = &card->ctrlinfo[cidx];
+ 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);
+ 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));
+
+ capi_ctr_handle_message(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 >= card->nlogcontr) cidx = 0;
+
+ capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, 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 >= card->nlogcontr) cidx = 0;
+ capilib_free_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI);
+ }
+ break;
+
+ case RECEIVE_START:
+#ifdef AVM_C4_POLLDEBUG
+ printk(KERN_INFO "%s: poll from c4\n", card->name);
+#endif
+ if (!suppress_pollack)
+ queue_pollack(card);
+ for (cidx = 0; cidx < card->nr_controllers; cidx++) {
+ ctrl = &card->ctrlinfo[cidx].capi_ctrl;
+ capi_ctr_resume_output(ctrl);
+ }
+ break;
+
+ case RECEIVE_STOP:
+ for (cidx = 0; cidx < card->nr_controllers; cidx++) {
+ ctrl = &card->ctrlinfo[cidx].capi_ctrl;
+ capi_ctr_suspend_output(ctrl);
+ }
+ break;
+
+ case RECEIVE_INIT:
+
+ cidx = card->nlogcontr;
+ if (cidx >= card->nr_controllers) {
+ printk(KERN_ERR "%s: card with %d controllers ??\n",
+ card->name, cidx + 1);
+ break;
+ }
+ 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]);
+ capi_ctr_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 - 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 = _get_slice(&p, card->msgbuf);
+ 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;
+
+ default:
+ printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n",
+ card->name, b1cmd);
+ return;
+ }
+}
+
+/* ------------------------------------------------------------- */
+
+static irqreturn_t c4_handle_interrupt(avmcard *card)
+{
+ unsigned long flags;
+ u32 status;
+
+ spin_lock_irqsave(&card->lock, flags);
+ status = c4inmeml(card->mbase + DOORBELL);
+
+ if (status & DBELL_RESET_HOST) {
+ u_int i;
+ c4outmeml(card->mbase + PCI_OUT_INT_MASK, 0x0c);
+ spin_unlock_irqrestore(&card->lock, flags);
+ if (card->nlogcontr == 0)
+ return IRQ_HANDLED;
+ printk(KERN_ERR "%s: unexpected reset\n", card->name);
+ for (i = 0; i < card->nr_controllers; i++) {
+ avmctrl_info *cinfo = &card->ctrlinfo[i];
+ 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(&cinfo->capi_ctrl);
+ }
+ card->nlogcontr = 0;
+ return IRQ_HANDLED;
+ }
+
+ status &= (DBELL_UP_HOST | DBELL_DOWN_HOST);
+ if (!status) {
+ spin_unlock_irqrestore(&card->lock, flags);
+ return IRQ_HANDLED;
+ }
+ 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, card->dma->recvbuf.size);
+ 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);
+ }
+ }
+ spin_unlock_irqrestore(&card->lock, flags);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t c4_interrupt(int interrupt, void *devptr)
+{
+ avmcard *card = devptr;
+
+ return c4_handle_interrupt(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_send_init(avmcard *card)
+{
+ struct sk_buff *skb;
+ void *p;
+ unsigned long flags;
+
+ 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, CAPI_MAXAPPL);
+ _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);
+ spin_lock_irqsave(&card->lock, flags);
+ c4_dispatch_tx(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+}
+
+static int queue_sendconfigword(avmcard *card, u32 val)
+{
+ struct sk_buff *skb;
+ unsigned long flags;
+ void *p;
+
+ skb = alloc_skb(3 + 4, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, 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, val);
+ skb_put(skb, (u8 *)p - (u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+ spin_lock_irqsave(&card->lock, flags);
+ c4_dispatch_tx(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ return 0;
+}
+
+static int queue_sendconfig(avmcard *card, char cval[4])
+{
+ struct sk_buff *skb;
+ unsigned long flags;
+ void *p;
+
+ skb = alloc_skb(3 + 4, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_CRIT "%s: no memory, send config\n",
+ card->name);
+ return -ENOMEM;
+ }
+ p = skb->data;
+ _put_byte(&p, 0);
+ _put_byte(&p, 0);
+ _put_byte(&p, SEND_CONFIG);
+ _put_byte(&p, cval[0]);
+ _put_byte(&p, cval[1]);
+ _put_byte(&p, cval[2]);
+ _put_byte(&p, cval[3]);
+ skb_put(skb, (u8 *)p - (u8 *)skb->data);
+
+ skb_queue_tail(&card->dma->send_queue, skb);
+
+ spin_lock_irqsave(&card->lock, flags);
+ c4_dispatch_tx(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ return 0;
+}
+
+static int c4_send_config(avmcard *card, capiloaddatapart *config)
+{
+ u8 val[4];
+ unsigned char *dp;
+ u_int left;
+ int retval;
+
+ if ((retval = queue_sendconfigword(card, 1)) != 0)
+ return retval;
+ if ((retval = queue_sendconfigword(card, config->len)) != 0)
+ return retval;
+
+ dp = config->data;
+ left = config->len;
+ while (left >= sizeof(u32)) {
+ if (config->user) {
+ if (copy_from_user(val, dp, sizeof(val)))
+ return -EFAULT;
+ } else {
+ memcpy(val, dp, sizeof(val));
+ }
+ if ((retval = queue_sendconfig(card, val)) != 0)
+ return retval;
+ left -= sizeof(val);
+ dp += sizeof(val);
+ }
+ if (left) {
+ memset(val, 0, sizeof(val));
+ if (config->user) {
+ if (copy_from_user(&val, dp, left))
+ return -EFAULT;
+ } else {
+ memcpy(&val, dp, left);
+ }
+ if ((retval = queue_sendconfig(card, val)) != 0)
+ return retval;
+ }
+
+ return 0;
+}
+
+static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ 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;
+ }
+
+ card->csr = 0;
+ c4outmeml(card->mbase + MBOX_UP_LEN, 0);
+ c4outmeml(card->mbase + MBOX_DOWN_LEN, 0);
+ c4outmeml(card->mbase + DOORBELL, DBELL_INIT);
+ mdelay(1);
+ 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, card->dma->recvbuf.dmaaddr);
+ c4outmeml(card->mbase + MBOX_UP_LEN, card->dma->recvbuf.size);
+ c4outmeml(card->mbase + DOORBELL, DBELL_UP_ARM);
+
+ if (data->configuration.len > 0 && data->configuration.data) {
+ retval = c4_send_config(card, &data->configuration);
+ if (retval) {
+ printk(KERN_ERR "%s: failed to set config!!\n",
+ card->name);
+ c4_reset(card);
+ return retval;
+ }
+ }
+
+ c4_send_init(card);
+
+ return 0;
+}
+
+
+static void c4_reset_ctr(struct capi_ctr *ctrl)
+{
+ avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
+ avmctrl_info *cinfo;
+ u_int i;
+ unsigned long flags;
+
+ spin_lock_irqsave(&card->lock, flags);
+
+ c4_reset(card);
+
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ for (i = 0; i < card->nr_controllers; i++) {
+ cinfo = &card->ctrlinfo[i];
+ memset(cinfo->version, 0, sizeof(cinfo->version));
+ capi_ctr_down(&cinfo->capi_ctrl);
+ }
+ card->nlogcontr = 0;
+}
+
+static void c4_remove(struct pci_dev *pdev)
+{
+ avmcard *card = pci_get_drvdata(pdev);
+ avmctrl_info *cinfo;
+ u_int i;
+
+ if (!card)
+ return;
+
+ c4_reset(card);
+
+ for (i = 0; i < card->nr_controllers; i++) {
+ cinfo = &card->ctrlinfo[i];
+ detach_capi_ctr(&cinfo->capi_ctrl);
+ }
+
+ free_irq(card->irq, card);
+ iounmap(card->mbase);
+ release_region(card->port, AVMB1_PORTLEN);
+ avmcard_dma_free(card->dma);
+ pci_set_drvdata(pdev, NULL);
+ b1_free_card(card);
+}
+
+/* ------------------------------------------------------------- */
+
+
+static 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;
+ unsigned long flags;
+ 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);
+
+ spin_lock_irqsave(&card->lock, flags);
+ c4_dispatch_tx(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ }
+}
+
+/* ------------------------------------------------------------- */
+
+static void c4_release_appl(struct capi_ctr *ctrl, u16 appl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ unsigned long flags;
+ struct sk_buff *skb;
+ void *p;
+
+ spin_lock_irqsave(&card->lock, flags);
+ capilib_release_appl(&cinfo->ncci_head, appl);
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ 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);
+ spin_lock_irqsave(&card->lock, flags);
+ c4_dispatch_tx(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ }
+}
+
+/* ------------------------------------------------------------- */
+
+
+static u16 c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ u16 retval = CAPI_NOERROR;
+ unsigned long flags;
+
+ spin_lock_irqsave(&card->lock, flags);
+ if (CAPIMSG_CMD(skb->data) == 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) {
+ skb_queue_tail(&card->dma->send_queue, skb);
+ c4_dispatch_tx(card);
+ }
+ spin_unlock_irqrestore(&card->lock, flags);
+ return retval;
+}
+
+/* ------------------------------------------------------------- */
+
+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_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);
+ seq_printf(m, "%-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;
+ case avm_c2: s = "C2"; break;
+ default: s = "???"; break;
+ }
+ seq_printf(m, "%-16s %s\n", "type", s);
+ 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 c4_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, c4_proc_show, PDE_DATA(inode));
+}
+
+static const struct file_operations c4_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = c4_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+/* ------------------------------------------------------------- */
+
+static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
+ int nr_controllers)
+{
+ avmcard *card;
+ avmctrl_info *cinfo;
+ int retval;
+ int i;
+
+ card = b1_alloc_card(nr_controllers);
+ if (!card) {
+ printk(KERN_WARNING "c4: no memory.\n");
+ retval = -ENOMEM;
+ goto err;
+ }
+ card->dma = avmcard_dma_alloc("c4", dev, 2048 + 128, 2048 + 128);
+ if (!card->dma) {
+ printk(KERN_WARNING "c4: no memory.\n");
+ retval = -ENOMEM;
+ goto err_free;
+ }
+
+ sprintf(card->name, "c%d-%x", nr_controllers, p->port);
+ card->port = p->port;
+ card->irq = p->irq;
+ card->membase = p->membase;
+ card->cardtype = (nr_controllers == 4) ? avm_c4 : avm_c2;
+
+ if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
+ printk(KERN_WARNING "c4: ports 0x%03x-0x%03x in use.\n",
+ card->port, card->port + AVMB1_PORTLEN);
+ retval = -EBUSY;
+ goto err_free_dma;
+ }
+
+ card->mbase = ioremap(card->membase, 128);
+ if (card->mbase == NULL) {
+ printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n",
+ card->membase);
+ retval = -EIO;
+ goto err_release_region;
+ }
+
+ retval = c4_detect(card);
+ if (retval != 0) {
+ printk(KERN_NOTICE "c4: NO card at 0x%x error(%d)\n",
+ card->port, retval);
+ retval = -EIO;
+ goto err_unmap;
+ }
+ c4_reset(card);
+
+ retval = request_irq(card->irq, c4_interrupt, IRQF_SHARED, card->name, card);
+ if (retval) {
+ printk(KERN_ERR "c4: unable to get IRQ %d.\n", card->irq);
+ retval = -EBUSY;
+ goto err_unmap;
+ }
+
+ for (i = 0; i < nr_controllers; i++) {
+ cinfo = &card->ctrlinfo[i];
+ cinfo->capi_ctrl.owner = THIS_MODULE;
+ cinfo->capi_ctrl.driver_name = "c4";
+ cinfo->capi_ctrl.driverdata = cinfo;
+ cinfo->capi_ctrl.register_appl = c4_register_appl;
+ cinfo->capi_ctrl.release_appl = c4_release_appl;
+ cinfo->capi_ctrl.send_message = c4_send_message;
+ cinfo->capi_ctrl.load_firmware = c4_load_firmware;
+ cinfo->capi_ctrl.reset_ctr = c4_reset_ctr;
+ cinfo->capi_ctrl.procinfo = c4_procinfo;
+ cinfo->capi_ctrl.proc_fops = &c4_proc_fops;
+ strcpy(cinfo->capi_ctrl.name, card->name);
+
+ retval = attach_capi_ctr(&cinfo->capi_ctrl);
+ if (retval) {
+ printk(KERN_ERR "c4: attach controller failed (%d).\n", i);
+ for (i--; i >= 0; i--) {
+ cinfo = &card->ctrlinfo[i];
+ detach_capi_ctr(&cinfo->capi_ctrl);
+ }
+ goto err_free_irq;
+ }
+ if (i == 0)
+ card->cardnr = cinfo->capi_ctrl.cnr;
+ }
+
+ printk(KERN_INFO "c4: AVM C%d at i/o %#x, irq %d, mem %#lx\n",
+ nr_controllers, card->port, card->irq,
+ card->membase);
+ pci_set_drvdata(dev, card);
+ return 0;
+
+err_free_irq:
+ free_irq(card->irq, card);
+err_unmap:
+ iounmap(card->mbase);
+err_release_region:
+ release_region(card->port, AVMB1_PORTLEN);
+err_free_dma:
+ avmcard_dma_free(card->dma);
+err_free:
+ b1_free_card(card);
+err:
+ return retval;
+}
+
+/* ------------------------------------------------------------- */
+
+static int c4_probe(struct pci_dev *dev, const struct pci_device_id *ent)
+{
+ int nr = ent->driver_data;
+ int retval = 0;
+ struct capicardparams param;
+
+ if (pci_enable_device(dev) < 0) {
+ printk(KERN_ERR "c4: failed to enable AVM-C%d\n", nr);
+ return -ENODEV;
+ }
+ pci_set_master(dev);
+
+ param.port = pci_resource_start(dev, 1);
+ param.irq = dev->irq;
+ param.membase = pci_resource_start(dev, 0);
+
+ printk(KERN_INFO "c4: PCI BIOS reports AVM-C%d at i/o %#x, irq %d, mem %#x\n",
+ nr, param.port, param.irq, param.membase);
+
+ retval = c4_add_card(¶m, dev, nr);
+ if (retval != 0) {
+ printk(KERN_ERR "c4: no AVM-C%d at i/o %#x, irq %d detected, mem %#x\n",
+ nr, param.port, param.irq, param.membase);
+ pci_disable_device(dev);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static struct pci_driver c4_pci_driver = {
+ .name = "c4",
+ .id_table = c4_pci_tbl,
+ .probe = c4_probe,
+ .remove = c4_remove,
+};
+
+static struct capi_driver capi_driver_c2 = {
+ .name = "c2",
+ .revision = "1.0",
+};
+
+static struct capi_driver capi_driver_c4 = {
+ .name = "c4",
+ .revision = "1.0",
+};
+
+static int __init c4_init(void)
+{
+ char *p;
+ char rev[32];
+ int err;
+
+ 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");
+
+ err = pci_register_driver(&c4_pci_driver);
+ if (!err) {
+ strlcpy(capi_driver_c2.revision, rev, 32);
+ register_capi_driver(&capi_driver_c2);
+ strlcpy(capi_driver_c4.revision, rev, 32);
+ register_capi_driver(&capi_driver_c4);
+ printk(KERN_INFO "c4: revision %s\n", rev);
+ }
+ return err;
+}
+
+static void __exit c4_exit(void)
+{
+ unregister_capi_driver(&capi_driver_c2);
+ unregister_capi_driver(&capi_driver_c4);
+ pci_unregister_driver(&c4_pci_driver);
+}
+
+module_init(c4_init);
+module_exit(c4_exit);
Code Review / kvmfornfv.git / blobdiff