990 lines
24 KiB
C
990 lines
24 KiB
C
/*
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* $Id$
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*
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* Common module for AVM B1 cards that support dma with AMCC
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*
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* (c) Copyright 2000 by Carsten Paeth (calle@calle.in-berlin.de)
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*
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* $Log$
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* Revision 1.2 2000/01/25 14:44:47 calle
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* typo in b1pciv4_detect().
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*
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* Revision 1.1 2000/01/25 14:36:43 calle
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* common function for T1 PCI and B1 PCI V4.
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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/capi.h>
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#include <asm/io.h>
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#include <linux/isdn_compat.h>
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#ifdef COMPAT_NEED_UACCESS
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#include <asm/uaccess.h>
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#endif
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#include "capilli.h"
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#include "avmcard.h"
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#include "capicmd.h"
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#include "capiutil.h"
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static char *revision = "$Revision$";
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/* ------------------------------------------------------------- */
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MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
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int suppress_pollack = 0;
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MODULE_PARM(suppress_pollack, "0-1i");
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/* ------------------------------------------------------------- */
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static void b1dma_dispatch_tx(avmcard *card);
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/* ------------------------------------------------------------- */
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/* S5933 */
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#define AMCC_RXPTR 0x24
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#define AMCC_RXLEN 0x28
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#define AMCC_TXPTR 0x2c
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#define AMCC_TXLEN 0x30
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#define AMCC_INTCSR 0x38
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# define EN_READ_TC_INT 0x00008000L
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# define EN_WRITE_TC_INT 0x00004000L
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# define EN_TX_TC_INT EN_READ_TC_INT
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# define EN_RX_TC_INT EN_WRITE_TC_INT
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# define AVM_FLAG 0x30000000L
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# define ANY_S5933_INT 0x00800000L
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# define READ_TC_INT 0x00080000L
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# define WRITE_TC_INT 0x00040000L
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# define TX_TC_INT READ_TC_INT
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# define RX_TC_INT WRITE_TC_INT
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# define MASTER_ABORT_INT 0x00100000L
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# define TARGET_ABORT_INT 0x00200000L
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# define BUS_MASTER_INT 0x00200000L
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# define ALL_INT 0x000C0000L
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#define AMCC_MCSR 0x3c
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# define A2P_HI_PRIORITY 0x00000100L
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# define EN_A2P_TRANSFERS 0x00000400L
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# define P2A_HI_PRIORITY 0x00001000L
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# define EN_P2A_TRANSFERS 0x00004000L
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# define RESET_A2P_FLAGS 0x04000000L
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# define RESET_P2A_FLAGS 0x02000000L
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/* ------------------------------------------------------------- */
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#define b1dmaoutmeml(addr, value) writel(value, addr)
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#define b1dmainmeml(addr) readl(addr)
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#define b1dmaoutmemw(addr, value) writew(value, addr)
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#define b1dmainmemw(addr) readw(addr)
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#define b1dmaoutmemb(addr, value) writeb(value, addr)
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#define b1dmainmemb(addr) readb(addr)
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/* ------------------------------------------------------------- */
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static inline int b1dma_tx_empty(unsigned int port)
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{
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return inb(port + 0x03) & 0x1;
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}
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static inline int b1dma_rx_full(unsigned int port)
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{
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return inb(port + 0x02) & 0x1;
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}
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static int b1dma_tolink(avmcard *card, void *buf, unsigned int len)
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{
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unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */
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unsigned char *s = (unsigned char *)buf;
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while (len--) {
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while ( !b1dma_tx_empty(card->port)
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&& time_before(jiffies, stop));
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if (!b1dma_tx_empty(card->port))
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return -1;
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t1outp(card->port, 0x01, *s++);
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}
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return 0;
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}
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static int b1dma_fromlink(avmcard *card, void *buf, unsigned int len)
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{
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unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */
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unsigned char *s = (unsigned char *)buf;
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while (len--) {
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while ( !b1dma_rx_full(card->port)
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&& time_before(jiffies, stop));
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if (!b1dma_rx_full(card->port))
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return -1;
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*s++ = t1inp(card->port, 0x00);
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}
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return 0;
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}
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static int WriteReg(avmcard *card, __u32 reg, __u8 val)
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{
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__u8 cmd = 0x00;
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if ( b1dma_tolink(card, &cmd, 1) == 0
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&& b1dma_tolink(card, ®, 4) == 0) {
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__u32 tmp = val;
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return b1dma_tolink(card, &tmp, 4);
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}
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return -1;
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}
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static __u8 ReadReg(avmcard *card, __u32 reg)
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{
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__u8 cmd = 0x01;
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if ( b1dma_tolink(card, &cmd, 1) == 0
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&& b1dma_tolink(card, ®, 4) == 0) {
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__u32 tmp;
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if (b1dma_fromlink(card, &tmp, 4) == 0)
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return (__u8)tmp;
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}
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return 0xff;
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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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void b1dma_reset(avmcard *card)
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{
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unsigned long flags;
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save_flags(flags);
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cli();
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card->csr = 0x0;
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b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0);
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b1dmaoutmeml(card->mbase+AMCC_RXLEN, 0);
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b1dmaoutmeml(card->mbase+AMCC_TXLEN, 0);
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t1outp(card->port, 0x10, 0x00);
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t1outp(card->port, 0x07, 0x00);
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restore_flags(flags);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0);
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udelay(10 * 1000);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0x0f000000); /* reset all */
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udelay(10 * 1000);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0);
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if (card->cardtype == avm_t1pci)
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udelay(42 * 1000);
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else
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udelay(10 * 1000);
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}
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/* ------------------------------------------------------------- */
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int b1dma_detect(avmcard *card)
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{
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0);
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udelay(10 * 1000);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0x0f000000); /* reset all */
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udelay(10 * 1000);
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b1dmaoutmeml(card->mbase+AMCC_MCSR, 0);
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udelay(42 * 1000);
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b1dmaoutmeml(card->mbase+AMCC_RXLEN, 0);
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b1dmaoutmeml(card->mbase+AMCC_TXLEN, 0);
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card->csr = 0x0;
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b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
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if (b1dmainmeml(card->mbase+AMCC_MCSR) != 0x000000E6)
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return 1;
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b1dmaoutmeml(card->mbase+AMCC_RXPTR, 0xffffffff);
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b1dmaoutmeml(card->mbase+AMCC_TXPTR, 0xffffffff);
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if ( b1dmainmeml(card->mbase+AMCC_RXPTR) != 0xfffffffc
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|| b1dmainmeml(card->mbase+AMCC_TXPTR) != 0xfffffffc)
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return 2;
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b1dmaoutmeml(card->mbase+AMCC_RXPTR, 0x0);
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b1dmaoutmeml(card->mbase+AMCC_TXPTR, 0x0);
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if ( b1dmainmeml(card->mbase+AMCC_RXPTR) != 0x0
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|| b1dmainmeml(card->mbase+AMCC_TXPTR) != 0x0)
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return 3;
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t1outp(card->port, 0x10, 0x00);
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t1outp(card->port, 0x07, 0x00);
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t1outp(card->port, 0x02, 0x02);
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t1outp(card->port, 0x03, 0x02);
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if ( (t1inp(card->port, 0x02) & 0xFE) != 0x02
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|| t1inp(card->port, 0x3) != 0x03)
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return 4;
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t1outp(card->port, 0x02, 0x00);
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t1outp(card->port, 0x03, 0x00);
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if ( (t1inp(card->port, 0x02) & 0xFE) != 0x00
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|| t1inp(card->port, 0x3) != 0x01)
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return 5;
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return 0;
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}
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int t1pci_detect(avmcard *card)
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{
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int ret;
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if ((ret = b1dma_detect(card)) != 0)
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return ret;
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/* Transputer test */
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if ( WriteReg(card, 0x80001000, 0x11) != 0
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|| WriteReg(card, 0x80101000, 0x22) != 0
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|| WriteReg(card, 0x80201000, 0x33) != 0
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|| WriteReg(card, 0x80301000, 0x44) != 0)
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return 6;
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if ( ReadReg(card, 0x80001000) != 0x11
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|| ReadReg(card, 0x80101000) != 0x22
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|| ReadReg(card, 0x80201000) != 0x33
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|| ReadReg(card, 0x80301000) != 0x44)
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return 7;
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if ( WriteReg(card, 0x80001000, 0x55) != 0
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|| WriteReg(card, 0x80101000, 0x66) != 0
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|| WriteReg(card, 0x80201000, 0x77) != 0
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|| WriteReg(card, 0x80301000, 0x88) != 0)
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return 8;
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if ( ReadReg(card, 0x80001000) != 0x55
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|| ReadReg(card, 0x80101000) != 0x66
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|| ReadReg(card, 0x80201000) != 0x77
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|| ReadReg(card, 0x80301000) != 0x88)
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return 9;
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return 0;
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}
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int b1pciv4_detect(avmcard *card)
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{
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int ret, i;
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if ((ret = b1dma_detect(card)) != 0)
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return ret;
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for (i=0; i < 5 ; i++) {
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if (WriteReg(card, 0x80A00000, 0x21) != 0)
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return 6;
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if ((ReadReg(card, 0x80A00000) & 0x01) != 0x01)
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return 7;
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}
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for (i=0; i < 5 ; i++) {
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if (WriteReg(card, 0x80A00000, 0x20) != 0)
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return 8;
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if ((ReadReg(card, 0x80A00000) & 0x01) != 0x00)
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return 9;
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}
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return 0;
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}
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/* ------------------------------------------------------------- */
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static void b1dma_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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int inint;
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void *p;
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save_flags(flags);
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cli();
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inint = card->interrupt;
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if (card->csr & EN_TX_TC_INT) { /* 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_B1DMA_DEBUG
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printk(KERN_DEBUG "tx(%d): underrun\n", inint);
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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_B1DMA_DEBUG
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printk(KERN_DEBUG "tx(%d): put msg len=%d\n",
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inint, 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_B1DMA_POLLDEBUG
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if (skb->data[2] == SEND_POLLACK)
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printk(KERN_INFO "%s: send ack\n", card->name);
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#endif
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#ifdef CONFIG_B1DMA_DEBUG
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printk(KERN_DEBUG "tx(%d): put 0x%x len=%d\n",
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inint, 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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b1dmaoutmeml(card->mbase+AMCC_TXPTR, virt_to_phys(dma->sendbuf));
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b1dmaoutmeml(card->mbase+AMCC_TXLEN, txlen);
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card->csr |= EN_TX_TC_INT;
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if (!inint)
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b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
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restore_flags(flags);
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dev_kfree_skb(skb);
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}
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/* ------------------------------------------------------------- */
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static void queue_pollack(avmcard *card)
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{
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struct sk_buff *skb;
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void *p;
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skb = alloc_skb(3, GFP_ATOMIC);
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if (!skb) {
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printk(KERN_CRIT "%s: no memory, lost poll ack\n",
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card->name);
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return;
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}
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p = skb->data;
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_put_byte(&p, 0);
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_put_byte(&p, 0);
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_put_byte(&p, SEND_POLLACK);
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skb_put(skb, (__u8 *)p - (__u8 *)skb->data);
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skb_queue_tail(&card->dma->send_queue, skb);
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b1dma_dispatch_tx(card);
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}
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/* ------------------------------------------------------------- */
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static void b1dma_handle_rx(avmcard *card)
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{
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avmctrl_info *cinfo = &card->ctrlinfo[0];
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avmcard_dmainfo *dma = card->dma;
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struct capi_ctr *ctrl = cinfo->capi_ctrl;
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struct sk_buff *skb;
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void *p = dma->recvbuf+4;
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__u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
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__u8 b1cmd = _get_byte(&p);
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#ifdef CONFIG_B1DMA_DEBUG
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printk(KERN_DEBUG "rx: 0x%x %lu\n", b1cmd, (unsigned long)dma->recvlen);
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#endif
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switch (b1cmd) {
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case RECEIVE_DATA_B3_IND:
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ApplId = (unsigned) _get_word(&p);
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MsgLen = _get_slice(&p, card->msgbuf);
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DataB3Len = _get_slice(&p, card->databuf);
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if (MsgLen < 30) { /* not CAPI 64Bit */
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memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
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MsgLen = 30;
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CAPIMSG_SETLEN(card->msgbuf, 30);
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}
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if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) {
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printk(KERN_ERR "%s: incoming packet dropped\n",
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card->name);
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} else {
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memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
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memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
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ctrl->handle_capimsg(ctrl, ApplId, skb);
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}
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break;
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case RECEIVE_MESSAGE:
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ApplId = (unsigned) _get_word(&p);
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MsgLen = _get_slice(&p, card->msgbuf);
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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);
|
|
|
|
ctrl->new_ncci(ctrl, ApplId, NCCI, WindowSize);
|
|
|
|
break;
|
|
|
|
case RECEIVE_FREE_NCCI:
|
|
|
|
ApplId = _get_word(&p);
|
|
NCCI = _get_word(&p);
|
|
|
|
if (NCCI != 0xffffffff)
|
|
ctrl->free_ncci(ctrl, ApplId, NCCI);
|
|
else ctrl->appl_released(ctrl, ApplId);
|
|
break;
|
|
|
|
case RECEIVE_START:
|
|
#ifdef CONFIG_B1DMA_POLLDEBUG
|
|
printk(KERN_INFO "%s: receive poll\n", card->name);
|
|
#endif
|
|
if (!suppress_pollack)
|
|
queue_pollack(card);
|
|
ctrl->resume_output(ctrl);
|
|
break;
|
|
|
|
case RECEIVE_STOP:
|
|
ctrl->suspend_output(ctrl);
|
|
break;
|
|
|
|
case RECEIVE_INIT:
|
|
|
|
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(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: b1dma_interrupt: 0x%x ???\n",
|
|
card->name, b1cmd);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
static void b1dma_handle_interrupt(avmcard *card)
|
|
{
|
|
__u32 status = b1dmainmeml(card->mbase+AMCC_INTCSR);
|
|
__u32 newcsr;
|
|
|
|
if ((status & ANY_S5933_INT) == 0)
|
|
return;
|
|
|
|
newcsr = card->csr | (status & ALL_INT);
|
|
if (status & TX_TC_INT) newcsr &= ~EN_TX_TC_INT;
|
|
if (status & RX_TC_INT) newcsr &= ~EN_RX_TC_INT;
|
|
b1dmaoutmeml(card->mbase+AMCC_INTCSR, newcsr);
|
|
|
|
if ((status & RX_TC_INT) != 0) {
|
|
__u8 *recvbuf = card->dma->recvbuf;
|
|
__u32 rxlen;
|
|
if (card->dma->recvlen == 0) {
|
|
card->dma->recvlen = *((__u32 *)recvbuf);
|
|
rxlen = (card->dma->recvlen + 3) & ~3;
|
|
b1dmaoutmeml(card->mbase+AMCC_RXPTR,
|
|
virt_to_phys(recvbuf+4));
|
|
b1dmaoutmeml(card->mbase+AMCC_RXLEN, rxlen);
|
|
} else {
|
|
b1dma_handle_rx(card);
|
|
card->dma->recvlen = 0;
|
|
b1dmaoutmeml(card->mbase+AMCC_RXPTR, virt_to_phys(recvbuf));
|
|
b1dmaoutmeml(card->mbase+AMCC_RXLEN, 4);
|
|
}
|
|
}
|
|
|
|
if ((status & TX_TC_INT) != 0) {
|
|
card->csr &= ~EN_TX_TC_INT;
|
|
b1dma_dispatch_tx(card);
|
|
#if 1
|
|
} else if (card->csr & EN_TX_TC_INT) {
|
|
if (b1dmainmeml(card->mbase+AMCC_TXLEN) == 0) {
|
|
card->csr &= ~EN_TX_TC_INT;
|
|
b1dma_dispatch_tx(card);
|
|
}
|
|
#endif
|
|
}
|
|
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
|
|
}
|
|
|
|
void b1dma_interrupt(int interrupt, void *devptr, struct pt_regs *regs)
|
|
{
|
|
avmcard *card;
|
|
|
|
card = (avmcard *) devptr;
|
|
|
|
if (!card) {
|
|
printk(KERN_WARNING "b1dma: interrupt: wrong device\n");
|
|
return;
|
|
}
|
|
if (card->interrupt) {
|
|
printk(KERN_ERR "%s: reentering interrupt hander\n", card->name);
|
|
return;
|
|
}
|
|
|
|
card->interrupt = 1;
|
|
|
|
b1dma_handle_interrupt(card);
|
|
|
|
card->interrupt = 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
static int b1dma_loaded(avmcard *card)
|
|
{
|
|
unsigned long stop;
|
|
unsigned char ans;
|
|
unsigned long tout = 2;
|
|
unsigned int base = card->port;
|
|
|
|
for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
|
|
if (b1_tx_empty(base))
|
|
break;
|
|
}
|
|
if (!b1_tx_empty(base)) {
|
|
printk(KERN_ERR "%s: b1dma_loaded: tx err, corrupted t4 file ?\n",
|
|
card->name);
|
|
return 0;
|
|
}
|
|
b1_put_byte(base, SEND_POLLACK);
|
|
for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
|
|
if (b1_rx_full(base)) {
|
|
if ((ans = b1_get_byte(base)) == RECEIVE_POLLDWORD) {
|
|
return 1;
|
|
}
|
|
printk(KERN_ERR "%s: b1dma_loaded: got 0x%x, firmware not running in dword mode\n", card->name, ans);
|
|
return 0;
|
|
}
|
|
}
|
|
printk(KERN_ERR "%s: b1dma_loaded: firmware not running\n", card->name);
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
static void b1dma_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);
|
|
b1dma_dispatch_tx(card);
|
|
}
|
|
|
|
int b1dma_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
|
|
{
|
|
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
|
|
avmcard *card = cinfo->card;
|
|
unsigned long flags;
|
|
int retval;
|
|
|
|
b1dma_reset(card);
|
|
|
|
if ((retval = b1_load_t4file(card, &data->firmware))) {
|
|
b1dma_reset(card);
|
|
printk(KERN_ERR "%s: failed to load t4file!!\n",
|
|
card->name);
|
|
return retval;
|
|
}
|
|
|
|
if (data->configuration.len > 0 && data->configuration.data) {
|
|
if ((retval = b1_load_config(card, &data->configuration))) {
|
|
b1dma_reset(card);
|
|
printk(KERN_ERR "%s: failed to load config!!\n",
|
|
card->name);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
if (!b1dma_loaded(card)) {
|
|
b1dma_reset(card);
|
|
printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
|
|
return -EIO;
|
|
}
|
|
|
|
save_flags(flags);
|
|
cli();
|
|
|
|
card->csr = AVM_FLAG;
|
|
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
|
|
b1dmaoutmeml(card->mbase+AMCC_MCSR,
|
|
EN_A2P_TRANSFERS|EN_P2A_TRANSFERS
|
|
|A2P_HI_PRIORITY|P2A_HI_PRIORITY
|
|
|RESET_A2P_FLAGS|RESET_P2A_FLAGS);
|
|
t1outp(card->port, 0x07, 0x30);
|
|
t1outp(card->port, 0x10, 0xF0);
|
|
|
|
card->dma->recvlen = 0;
|
|
b1dmaoutmeml(card->mbase+AMCC_RXPTR, virt_to_phys(card->dma->recvbuf));
|
|
b1dmaoutmeml(card->mbase+AMCC_RXLEN, 4);
|
|
card->csr |= EN_RX_TC_INT;
|
|
b1dmaoutmeml(card->mbase+AMCC_INTCSR, card->csr);
|
|
restore_flags(flags);
|
|
|
|
b1dma_send_init(card);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void b1dma_reset_ctr(struct capi_ctr *ctrl)
|
|
{
|
|
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
|
|
avmcard *card = cinfo->card;
|
|
|
|
b1dma_reset(card);
|
|
|
|
memset(cinfo->version, 0, sizeof(cinfo->version));
|
|
ctrl->reseted(ctrl);
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
|
|
void b1dma_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 (want > 0) nconn = want;
|
|
else nconn = ctrl->profile.nbchannel * -want;
|
|
if (nconn == 0) nconn = ctrl->profile.nbchannel;
|
|
|
|
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);
|
|
b1dma_dispatch_tx(card);
|
|
|
|
ctrl->appl_registered(ctrl, appl);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
void b1dma_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;
|
|
|
|
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);
|
|
b1dma_dispatch_tx(card);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
void b1dma_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);
|
|
b1dma_dispatch_tx(card);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
int b1dmactl_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;
|
|
unsigned long flags;
|
|
__u8 flag;
|
|
int len = 0;
|
|
char *s;
|
|
__u32 txaddr, txlen, rxaddr, rxlen, csr;
|
|
|
|
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);
|
|
|
|
save_flags(flags);
|
|
cli();
|
|
|
|
txaddr = (__u32)phys_to_virt(b1dmainmeml(card->mbase+0x2c));
|
|
txaddr -= (__u32)card->dma->sendbuf;
|
|
txlen = b1dmainmeml(card->mbase+0x30);
|
|
|
|
rxaddr = (__u32)phys_to_virt(b1dmainmeml(card->mbase+0x24));
|
|
rxaddr -= (__u32)card->dma->recvbuf;
|
|
rxlen = b1dmainmeml(card->mbase+0x28);
|
|
|
|
csr = b1dmainmeml(card->mbase+AMCC_INTCSR);
|
|
|
|
restore_flags(flags);
|
|
|
|
len += sprintf(page+len, "%-16s 0x%lx\n",
|
|
"csr (cached)", (unsigned long)card->csr);
|
|
len += sprintf(page+len, "%-16s 0x%lx\n",
|
|
"csr", (unsigned long)csr);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"txoff", (unsigned long)txaddr);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"txlen", (unsigned long)txlen);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"rxoff", (unsigned long)rxaddr);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"rxlen", (unsigned long)rxlen);
|
|
|
|
if (off+count >= len)
|
|
*eof = 1;
|
|
if (len < off)
|
|
return 0;
|
|
*start = page + off;
|
|
return ((count < len-off) ? count : len-off);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
EXPORT_SYMBOL(b1dma_reset);
|
|
EXPORT_SYMBOL(t1pci_detect);
|
|
EXPORT_SYMBOL(b1pciv4_detect);
|
|
EXPORT_SYMBOL(b1dma_interrupt);
|
|
|
|
EXPORT_SYMBOL(b1dma_load_firmware);
|
|
EXPORT_SYMBOL(b1dma_reset_ctr);
|
|
EXPORT_SYMBOL(b1dma_register_appl);
|
|
EXPORT_SYMBOL(b1dma_release_appl);
|
|
EXPORT_SYMBOL(b1dma_send_message);
|
|
EXPORT_SYMBOL(b1dmactl_read_proc);
|
|
|
|
#ifdef MODULE
|
|
#define b1dma_init init_module
|
|
void cleanup_module(void);
|
|
#endif
|
|
|
|
int b1dma_init(void)
|
|
{
|
|
char *p;
|
|
char rev[10];
|
|
|
|
if ((p = strchr(revision, ':'))) {
|
|
strncpy(rev, p + 1, sizeof(rev));
|
|
p = strchr(rev, '$');
|
|
*p = 0;
|
|
} else
|
|
strcpy(rev, "1.0");
|
|
|
|
printk(KERN_INFO "b1dma: revision %s\n", rev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef MODULE
|
|
void cleanup_module(void)
|
|
{
|
|
}
|
|
#endif
|