1345 lines
33 KiB
C
1345 lines
33 KiB
C
/*
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* $Id$
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*
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* Module for AVM C4 card.
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*
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* (c) Copyright 1999 by Carsten Paeth (calle@calle.in-berlin.de)
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*
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* $Log$
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* Revision 1.3 2000/01/25 14:37:39 calle
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* new message after successfull detection including card revision and
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* used resources.
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*
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* Revision 1.2 2000/01/21 20:52:58 keil
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* pci_find_subsys as local function for 2.2.X kernel
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*
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* Revision 1.1 2000/01/20 10:51:37 calle
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* Added driver for C4.
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*
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*
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/skbuff.h>
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#include <linux/delay.h>
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#include <linux/mm.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/pci.h>
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#include <linux/capi.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#include "capicmd.h"
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#include "capiutil.h"
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#include "capilli.h"
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#include "avmcard.h"
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static char *revision = "$Revision$";
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#undef CONFIG_C4_DEBUG
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#undef CONFIG_C4_POLLDEBUG
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/* ------------------------------------------------------------- */
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#ifndef PCI_VENDOR_ID_DEC
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#define PCI_VENDOR_ID_DEC 0x1011
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#endif
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#ifndef PCI_DEVICE_ID_DEC_21285
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#define PCI_DEVICE_ID_DEC_21285 0x1065
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#endif
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#ifndef PCI_VENDOR_ID_AVM
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#define PCI_VENDOR_ID_AVM 0x1244
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#endif
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#ifndef PCI_DEVICE_ID_AVM_C4
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#define PCI_DEVICE_ID_AVM_C4 0x0800
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#endif
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/* ------------------------------------------------------------- */
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int suppress_pollack = 0;
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MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
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MODULE_PARM(suppress_pollack, "0-1i");
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/* ------------------------------------------------------------- */
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static struct capi_driver_interface *di;
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/* ------------------------------------------------------------- */
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static void c4_dispatch_tx(avmcard *card);
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/* ------------------------------------------------------------- */
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#define DC21285_DRAM_A0MR 0x40000000
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#define DC21285_DRAM_A1MR 0x40004000
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#define DC21285_DRAM_A2MR 0x40008000
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#define DC21285_DRAM_A3MR 0x4000C000
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#define CAS_OFFSET 0x88
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#define DC21285_ARMCSR_BASE 0x42000000
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#define PCI_OUT_INT_STATUS 0x30
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#define PCI_OUT_INT_MASK 0x34
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#define MAILBOX_0 0x50
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#define MAILBOX_1 0x54
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#define MAILBOX_2 0x58
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#define MAILBOX_3 0x5C
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#define DOORBELL 0x60
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#define DOORBELL_SETUP 0x64
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#define CHAN_1_CONTROL 0x90
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#define CHAN_2_CONTROL 0xB0
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#define DRAM_TIMING 0x10C
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#define DRAM_ADDR_SIZE_0 0x110
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#define DRAM_ADDR_SIZE_1 0x114
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#define DRAM_ADDR_SIZE_2 0x118
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#define DRAM_ADDR_SIZE_3 0x11C
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#define SA_CONTROL 0x13C
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#define XBUS_CYCLE 0x148
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#define XBUS_STROBE 0x14C
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#define DBELL_PCI_MASK 0x150
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#define DBELL_SA_MASK 0x154
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#define SDRAM_SIZE 0x1000000
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/* ------------------------------------------------------------- */
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#define MBOX_PEEK_POKE MAILBOX_0
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#define DBELL_ADDR 0x01
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#define DBELL_DATA 0x02
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#define DBELL_RNWR 0x40
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#define DBELL_INIT 0x80
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/* ------------------------------------------------------------- */
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#define MBOX_UP_ADDR MAILBOX_0
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#define MBOX_UP_LEN MAILBOX_1
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#define MBOX_DOWN_ADDR MAILBOX_2
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#define MBOX_DOWN_LEN MAILBOX_3
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#define DBELL_UP_HOST 0x00000100
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#define DBELL_UP_ARM 0x00000200
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#define DBELL_DOWN_HOST 0x00000400
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#define DBELL_DOWN_ARM 0x00000800
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#define DBELL_RESET_HOST 0x40000000
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#define DBELL_RESET_ARM 0x80000000
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/* ------------------------------------------------------------- */
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#define DRAM_TIMING_DEF 0x001A01A5
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#define DRAM_AD_SZ_DEF0 0x00000045
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#define DRAM_AD_SZ_NULL 0x00000000
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#define SA_CTL_ALLRIGHT 0x64AA0271
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#define INIT_XBUS_CYCLE 0x100016DB
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#define INIT_XBUS_STROBE 0xF1F1F1F1
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/* ------------------------------------------------------------- */
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#define RESET_TIMEOUT (15*HZ) /* 15 sec */
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#define PEEK_POKE_TIMEOUT (HZ/10) /* 0.1 sec */
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/* ------------------------------------------------------------- */
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#define c4outmeml(addr, value) writel(value, addr)
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#define c4inmeml(addr) readl(addr)
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#define c4outmemw(addr, value) writew(value, addr)
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#define c4inmemw(addr) readw(addr)
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#define c4outmemb(addr, value) writeb(value, addr)
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#define c4inmemb(addr) readb(addr)
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/* ------------------------------------------------------------- */
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static inline int wait_for_doorbell(avmcard *card, unsigned long t)
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{
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unsigned long stop;
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stop = jiffies + t;
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while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
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if (!time_before(jiffies, stop))
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return -1;
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}
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return 0;
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}
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static int c4_poke(avmcard *card, unsigned long off, unsigned long value)
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{
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if (wait_for_doorbell(card, HZ/10) < 0)
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return -1;
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c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
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c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
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if (wait_for_doorbell(card, HZ/10) < 0)
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return -1;
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c4outmeml(card->mbase+MBOX_PEEK_POKE, value);
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c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR);
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return 0;
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}
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static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep)
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{
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if (wait_for_doorbell(card, HZ/10) < 0)
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return -1;
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c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
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c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR);
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if (wait_for_doorbell(card, HZ/10) < 0)
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return -1;
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*valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE);
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return 0;
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}
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/* ------------------------------------------------------------- */
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static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file)
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{
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__u32 val;
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unsigned char *dp;
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int left, retval;
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__u32 loadoff = 0;
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dp = t4file->data;
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left = t4file->len;
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while (left >= sizeof(__u32)) {
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if (t4file->user) {
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retval = copy_from_user(&val, dp, sizeof(val));
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if (retval)
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return -EFAULT;
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} else {
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memcpy(&val, dp, sizeof(val));
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}
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if (c4_poke(card, loadoff, val)) {
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printk(KERN_ERR "%s: corrupted firmware file ?\n",
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card->name);
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return -EIO;
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}
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left -= sizeof(__u32);
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dp += sizeof(__u32);
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loadoff += sizeof(__u32);
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}
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if (left) {
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val = 0;
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if (t4file->user) {
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retval = copy_from_user(&val, dp, left);
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if (retval)
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return -EFAULT;
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} else {
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memcpy(&val, dp, left);
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}
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if (c4_poke(card, loadoff, val)) {
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printk(KERN_ERR "%s: corrupted firmware file ?\n",
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card->name);
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return -EIO;
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}
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}
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return 0;
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}
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/* ------------------------------------------------------------- */
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static inline void _put_byte(void **pp, __u8 val)
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{
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__u8 *s = *pp;
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*s++ = val;
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*pp = s;
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}
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static inline void _put_word(void **pp, __u32 val)
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{
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__u8 *s = *pp;
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*s++ = val & 0xff;
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*s++ = (val >> 8) & 0xff;
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*s++ = (val >> 16) & 0xff;
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*s++ = (val >> 24) & 0xff;
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*pp = s;
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}
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static inline void _put_slice(void **pp, unsigned char *dp, unsigned int len)
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{
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unsigned i = len;
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_put_word(pp, i);
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while (i-- > 0)
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_put_byte(pp, *dp++);
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}
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static inline __u8 _get_byte(void **pp)
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{
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__u8 *s = *pp;
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__u8 val;
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val = *s++;
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*pp = s;
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return val;
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}
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static inline __u32 _get_word(void **pp)
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{
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__u8 *s = *pp;
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__u32 val;
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val = *s++;
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val |= (*s++ << 8);
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val |= (*s++ << 16);
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val |= (*s++ << 24);
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*pp = s;
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return val;
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}
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static inline __u32 _get_slice(void **pp, unsigned char *dp)
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{
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unsigned int len, i;
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len = i = _get_word(pp);
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while (i-- > 0) *dp++ = _get_byte(pp);
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return len;
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}
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/* ------------------------------------------------------------- */
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static void c4_reset(avmcard *card)
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{
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unsigned long stop;
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c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
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stop = jiffies + HZ*10;
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while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
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if (!time_before(jiffies, stop))
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return;
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c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
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}
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c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
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c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
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}
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/* ------------------------------------------------------------- */
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static int c4_detect(avmcard *card)
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{
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unsigned long stop, dummy;
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c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
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if (c4inmeml(card->mbase+PCI_OUT_INT_MASK) != 0x0c)
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return 1;
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c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
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stop = jiffies + HZ*10;
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while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
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if (!time_before(jiffies, stop))
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return 2;
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c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
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}
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c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
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c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
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c4outmeml(card->mbase+MAILBOX_0, 0x55aa55aa);
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if (c4inmeml(card->mbase+MAILBOX_0) != 0x55aa55aa) return 3;
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c4outmeml(card->mbase+MAILBOX_0, 0xaa55aa55);
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if (c4inmeml(card->mbase+MAILBOX_0) != 0xaa55aa55) return 4;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_SA_MASK, 0)) return 5;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_PCI_MASK, 0)) return 6;
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if (c4_poke(card, DC21285_ARMCSR_BASE+SA_CONTROL, SA_CTL_ALLRIGHT))
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return 7;
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if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_CYCLE, INIT_XBUS_CYCLE))
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return 8;
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if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_STROBE, INIT_XBUS_STROBE))
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return 8;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, 0)) return 9;
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udelay(1000);
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if (c4_peek(card, DC21285_DRAM_A0MR, &dummy)) return 10;
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if (c4_peek(card, DC21285_DRAM_A1MR, &dummy)) return 11;
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if (c4_peek(card, DC21285_DRAM_A2MR, &dummy)) return 12;
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if (c4_peek(card, DC21285_DRAM_A3MR, &dummy)) return 13;
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if (c4_poke(card, DC21285_DRAM_A0MR+CAS_OFFSET, 0)) return 14;
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if (c4_poke(card, DC21285_DRAM_A1MR+CAS_OFFSET, 0)) return 15;
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if (c4_poke(card, DC21285_DRAM_A2MR+CAS_OFFSET, 0)) return 16;
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if (c4_poke(card, DC21285_DRAM_A3MR+CAS_OFFSET, 0)) return 17;
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udelay(1000);
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, DRAM_TIMING_DEF))
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return 18;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_0,DRAM_AD_SZ_DEF0))
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return 19;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_1,DRAM_AD_SZ_NULL))
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return 20;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_2,DRAM_AD_SZ_NULL))
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return 21;
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if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_3,DRAM_AD_SZ_NULL))
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return 22;
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/* Transputer test */
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if ( c4_poke(card, 0x000000, 0x11111111)
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|| c4_poke(card, 0x400000, 0x22222222)
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|| c4_poke(card, 0x800000, 0x33333333)
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|| c4_poke(card, 0xC00000, 0x44444444))
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return 23;
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if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111
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|| c4_peek(card, 0x400000, &dummy) || dummy != 0x22222222
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|| c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333
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|| c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444)
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return 24;
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if ( c4_poke(card, 0x000000, 0x55555555)
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|| c4_poke(card, 0x400000, 0x66666666)
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|| c4_poke(card, 0x800000, 0x77777777)
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|| c4_poke(card, 0xC00000, 0x88888888))
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return 25;
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if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555
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|| c4_peek(card, 0x400000, &dummy) || dummy != 0x66666666
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|| c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777
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|| c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888)
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return 26;
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return 0;
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}
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/* ------------------------------------------------------------- */
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static void c4_dispatch_tx(avmcard *card)
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{
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avmcard_dmainfo *dma = card->dma;
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unsigned long flags;
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struct sk_buff *skb;
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__u8 cmd, subcmd;
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__u16 len;
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__u32 txlen;
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void *p;
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save_flags(flags);
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cli();
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if (card->csr & DBELL_DOWN_ARM) { /* tx busy */
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restore_flags(flags);
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return;
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}
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skb = skb_dequeue(&dma->send_queue);
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if (!skb) {
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#ifdef CONFIG_C4_DEBUG
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printk(KERN_DEBUG "%s: tx underrun\n", card->name);
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#endif
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restore_flags(flags);
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return;
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}
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len = CAPIMSG_LEN(skb->data);
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if (len) {
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cmd = CAPIMSG_COMMAND(skb->data);
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subcmd = CAPIMSG_SUBCOMMAND(skb->data);
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p = dma->sendbuf;
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if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
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__u16 dlen = CAPIMSG_DATALEN(skb->data);
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_put_byte(&p, SEND_DATA_B3_REQ);
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_put_slice(&p, skb->data, len);
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_put_slice(&p, skb->data + len, dlen);
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} else {
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_put_byte(&p, SEND_MESSAGE);
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_put_slice(&p, skb->data, len);
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}
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txlen = (__u8 *)p - (__u8 *)dma->sendbuf;
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#ifdef CONFIG_C4_DEBUG
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printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen);
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#endif
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} else {
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txlen = skb->len-2;
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#ifdef CONFIG_C4_POLLDEBUG
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if (skb->data[2] == SEND_POLLACK)
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printk(KERN_INFO "%s: ack to c4\n", card->name);
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#endif
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#ifdef CONFIG_C4_DEBUG
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printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
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card->name, skb->data[2], txlen);
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#endif
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memcpy(dma->sendbuf, skb->data+2, skb->len-2);
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}
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txlen = (txlen + 3) & ~3;
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|
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c4outmeml(card->mbase+MBOX_DOWN_ADDR, virt_to_phys(dma->sendbuf));
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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
|
|
|
|
#ifndef COMPAT_HAS_pci_find_subsys
|
|
#ifndef PCI_ANY_ID
|
|
#define PCI_ANY_ID (~0)
|
|
#endif
|
|
|
|
static struct pci_dev *
|
|
pci_find_subsys(unsigned int vendor, unsigned int device,
|
|
unsigned int ss_vendor, unsigned int ss_device,
|
|
struct pci_dev *from)
|
|
{
|
|
unsigned short subsystem_vendor, subsystem_device;
|
|
|
|
while ((from = pci_find_device(vendor, device, from))) {
|
|
pci_read_config_word(from, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor);
|
|
pci_read_config_word(from, PCI_SUBSYSTEM_ID, &subsystem_device);
|
|
if ((ss_vendor == PCI_ANY_ID || subsystem_vendor == ss_vendor) &&
|
|
(ss_device == PCI_ANY_ID || subsystem_device == ss_device))
|
|
return from;
|
|
}
|
|
return NULL;
|
|
}
|
|
#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 = get_pcibase(dev, 1) & PCI_BASE_ADDRESS_IO_MASK;
|
|
param.irq = dev->irq;
|
|
param.membase = get_pcibase(dev, 0) & 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
|