991 lines
24 KiB
C
991 lines
24 KiB
C
/* $Id: b1dma.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $
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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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* Copyright 2000 by Carsten Paeth <calle@calle.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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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 <linux/kernelcapi.h>
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#include <asm/io.h>
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#include <linux/init.h>
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#include <asm/uaccess.h>
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#include <linux/netdevice.h>
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#include <linux/isdn/capilli.h>
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#include "avmcard.h"
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#include <linux/isdn/capicmd.h>
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#include <linux/isdn/capiutil.h>
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static char *revision = "$Revision: 1.1.2.3 $";
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#undef AVM_B1DMA_DEBUG
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/* ------------------------------------------------------------- */
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MODULE_DESCRIPTION("CAPI4Linux: DMA support for active AVM cards");
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MODULE_AUTHOR("Carsten Paeth");
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MODULE_LICENSE("GPL");
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static int suppress_pollack = 0;
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module_param(suppress_pollack, bool, 0);
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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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static inline void b1dma_writel(avmcard *card, u32 value, int off)
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{
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writel(value, card->mbase + off);
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}
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static inline u32 b1dma_readl(avmcard *card, int off)
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{
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return readl(card->mbase + off);
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}
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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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card->csr = 0x0;
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b1dma_writel(card, card->csr, AMCC_INTCSR);
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b1dma_writel(card, 0, AMCC_MCSR);
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b1dma_writel(card, 0, AMCC_RXLEN);
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b1dma_writel(card, 0, AMCC_TXLEN);
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t1outp(card->port, 0x10, 0x00);
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t1outp(card->port, 0x07, 0x00);
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b1dma_writel(card, 0, AMCC_MCSR);
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mdelay(10);
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b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */
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mdelay(10);
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b1dma_writel(card, 0, AMCC_MCSR);
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if (card->cardtype == avm_t1pci)
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mdelay(42);
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else
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mdelay(10);
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}
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/* ------------------------------------------------------------- */
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static int b1dma_detect(avmcard *card)
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{
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b1dma_writel(card, 0, AMCC_MCSR);
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mdelay(10);
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b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */
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mdelay(10);
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b1dma_writel(card, 0, AMCC_MCSR);
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mdelay(42);
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b1dma_writel(card, 0, AMCC_RXLEN);
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b1dma_writel(card, 0, AMCC_TXLEN);
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card->csr = 0x0;
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b1dma_writel(card, card->csr, AMCC_INTCSR);
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if (b1dma_readl(card, AMCC_MCSR) != 0x000000E6)
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return 1;
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b1dma_writel(card, 0xffffffff, AMCC_RXPTR);
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b1dma_writel(card, 0xffffffff, AMCC_TXPTR);
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if ( b1dma_readl(card, AMCC_RXPTR) != 0xfffffffc
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|| b1dma_readl(card, AMCC_TXPTR) != 0xfffffffc)
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return 2;
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b1dma_writel(card, 0x0, AMCC_RXPTR);
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b1dma_writel(card, 0x0, AMCC_TXPTR);
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if ( b1dma_readl(card, AMCC_RXPTR) != 0x0
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|| b1dma_readl(card, 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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static void b1dma_queue_tx(avmcard *card, struct sk_buff *skb)
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{
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unsigned long flags;
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spin_lock_irqsave(&card->lock, flags);
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skb_queue_tail(&card->dma->send_queue, skb);
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if (!(card->csr & EN_TX_TC_INT)) {
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b1dma_dispatch_tx(card);
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b1dma_writel(card, card->csr, AMCC_INTCSR);
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}
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spin_unlock_irqrestore(&card->lock, flags);
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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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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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skb = skb_dequeue(&dma->send_queue);
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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.dmabuf;
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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.dmabuf;
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#ifdef AVM_B1DMA_DEBUG
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printk(KERN_DEBUG "tx: put msg len=%d\n", txlen);
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#endif
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} else {
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txlen = skb->len-2;
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#ifdef AVM_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 AVM_B1DMA_DEBUG
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printk(KERN_DEBUG "tx: put 0x%x len=%d\n",
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skb->data[2], txlen);
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#endif
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skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
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skb->len - 2);
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}
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txlen = (txlen + 3) & ~3;
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b1dma_writel(card, dma->sendbuf.dmaaddr, AMCC_TXPTR);
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b1dma_writel(card, txlen, AMCC_TXLEN);
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card->csr |= EN_TX_TC_INT;
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dev_kfree_skb_any(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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b1dma_queue_tx(card, skb);
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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.dmabuf+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 AVM_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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capi_ctr_handle_message(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))) {
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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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if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) {
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spin_lock(&card->lock);
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capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
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CAPIMSG_NCCI(skb->data),
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CAPIMSG_MSGID(skb->data));
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spin_unlock(&card->lock);
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}
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capi_ctr_handle_message(ctrl, ApplId, skb);
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}
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break;
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|
|
case RECEIVE_NEW_NCCI:
|
|
|
|
ApplId = _get_word(&p);
|
|
NCCI = _get_word(&p);
|
|
WindowSize = _get_word(&p);
|
|
spin_lock(&card->lock);
|
|
capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
|
|
spin_unlock(&card->lock);
|
|
break;
|
|
|
|
case RECEIVE_FREE_NCCI:
|
|
|
|
ApplId = _get_word(&p);
|
|
NCCI = _get_word(&p);
|
|
|
|
if (NCCI != 0xffffffff) {
|
|
spin_lock(&card->lock);
|
|
capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
|
|
spin_unlock(&card->lock);
|
|
}
|
|
break;
|
|
|
|
case RECEIVE_START:
|
|
#ifdef AVM_B1DMA_POLLDEBUG
|
|
printk(KERN_INFO "%s: receive poll\n", card->name);
|
|
#endif
|
|
if (!suppress_pollack)
|
|
queue_pollack(card);
|
|
capi_ctr_resume_output(ctrl);
|
|
break;
|
|
|
|
case RECEIVE_STOP:
|
|
capi_ctr_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]);
|
|
capi_ctr_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-1] == '\n'
|
|
|| card->msgbuf[MsgLen-1] == '\r')) {
|
|
card->msgbuf[MsgLen-1] = 0;
|
|
MsgLen--;
|
|
}
|
|
printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
|
|
card->name, ApplId, card->msgbuf);
|
|
break;
|
|
|
|
case RECEIVE_DEBUGMSG:
|
|
MsgLen = _get_slice(&p, card->msgbuf);
|
|
card->msgbuf[MsgLen] = 0;
|
|
while ( MsgLen > 0
|
|
&& ( card->msgbuf[MsgLen-1] == '\n'
|
|
|| card->msgbuf[MsgLen-1] == '\r')) {
|
|
card->msgbuf[MsgLen-1] = 0;
|
|
MsgLen--;
|
|
}
|
|
printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
|
|
break;
|
|
|
|
default:
|
|
printk(KERN_ERR "%s: b1dma_interrupt: 0x%x ???\n",
|
|
card->name, b1cmd);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
static void b1dma_handle_interrupt(avmcard *card)
|
|
{
|
|
u32 status;
|
|
u32 newcsr;
|
|
|
|
spin_lock(&card->lock);
|
|
|
|
status = b1dma_readl(card, AMCC_INTCSR);
|
|
if ((status & ANY_S5933_INT) == 0) {
|
|
spin_unlock(&card->lock);
|
|
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;
|
|
b1dma_writel(card, newcsr, AMCC_INTCSR);
|
|
|
|
if ((status & RX_TC_INT) != 0) {
|
|
struct avmcard_dmainfo *dma = card->dma;
|
|
u32 rxlen;
|
|
if (card->dma->recvlen == 0) {
|
|
rxlen = b1dma_readl(card, AMCC_RXLEN);
|
|
if (rxlen == 0) {
|
|
dma->recvlen = *((u32 *)dma->recvbuf.dmabuf);
|
|
rxlen = (dma->recvlen + 3) & ~3;
|
|
b1dma_writel(card, dma->recvbuf.dmaaddr+4, AMCC_RXPTR);
|
|
b1dma_writel(card, rxlen, AMCC_RXLEN);
|
|
#ifdef AVM_B1DMA_DEBUG
|
|
} else {
|
|
printk(KERN_ERR "%s: rx not complete (%d).\n",
|
|
card->name, rxlen);
|
|
#endif
|
|
}
|
|
} else {
|
|
spin_unlock(&card->lock);
|
|
b1dma_handle_rx(card);
|
|
dma->recvlen = 0;
|
|
spin_lock(&card->lock);
|
|
b1dma_writel(card, dma->recvbuf.dmaaddr, AMCC_RXPTR);
|
|
b1dma_writel(card, 4, AMCC_RXLEN);
|
|
}
|
|
}
|
|
|
|
if ((status & TX_TC_INT) != 0) {
|
|
if (skb_queue_empty(&card->dma->send_queue))
|
|
card->csr &= ~EN_TX_TC_INT;
|
|
else
|
|
b1dma_dispatch_tx(card);
|
|
}
|
|
b1dma_writel(card, card->csr, AMCC_INTCSR);
|
|
|
|
spin_unlock(&card->lock);
|
|
}
|
|
|
|
irqreturn_t b1dma_interrupt(int interrupt, void *devptr)
|
|
{
|
|
avmcard *card = devptr;
|
|
|
|
b1dma_handle_interrupt(card);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
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, CAPI_MAXAPPL);
|
|
_put_word(&p, AVM_NCCI_PER_CHANNEL*30);
|
|
_put_word(&p, card->cardnr - 1);
|
|
skb_put(skb, (u8 *)p - (u8 *)skb->data);
|
|
|
|
b1dma_queue_tx(card, skb);
|
|
}
|
|
|
|
int b1dma_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
|
|
{
|
|
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
|
|
avmcard *card = cinfo->card;
|
|
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;
|
|
}
|
|
|
|
card->csr = AVM_FLAG;
|
|
b1dma_writel(card, card->csr, AMCC_INTCSR);
|
|
b1dma_writel(card, EN_A2P_TRANSFERS|EN_P2A_TRANSFERS|A2P_HI_PRIORITY|
|
|
P2A_HI_PRIORITY|RESET_A2P_FLAGS|RESET_P2A_FLAGS,
|
|
AMCC_MCSR);
|
|
t1outp(card->port, 0x07, 0x30);
|
|
t1outp(card->port, 0x10, 0xF0);
|
|
|
|
card->dma->recvlen = 0;
|
|
b1dma_writel(card, card->dma->recvbuf.dmaaddr, AMCC_RXPTR);
|
|
b1dma_writel(card, 4, AMCC_RXLEN);
|
|
card->csr |= EN_RX_TC_INT;
|
|
b1dma_writel(card, card->csr, AMCC_INTCSR);
|
|
|
|
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;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
b1dma_reset(card);
|
|
|
|
memset(cinfo->version, 0, sizeof(cinfo->version));
|
|
capilib_release(&cinfo->ncci_head);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
capi_ctr_down(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);
|
|
|
|
b1dma_queue_tx(card, skb);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
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;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
capilib_release_appl(&cinfo->ncci_head, appl);
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
|
|
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);
|
|
|
|
b1dma_queue_tx(card, skb);
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
u16 b1dma_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
|
|
{
|
|
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
|
|
avmcard *card = cinfo->card;
|
|
u16 retval = CAPI_NOERROR;
|
|
|
|
if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) {
|
|
unsigned long flags;
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
retval = capilib_data_b3_req(&cinfo->ncci_head,
|
|
CAPIMSG_APPID(skb->data),
|
|
CAPIMSG_NCCI(skb->data),
|
|
CAPIMSG_MSGID(skb->data));
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
|
}
|
|
if (retval == CAPI_NOERROR)
|
|
b1dma_queue_tx(card, skb);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* ------------------------------------------------------------- */
|
|
|
|
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;
|
|
u8 flag;
|
|
int len = 0;
|
|
char *s;
|
|
u32 txoff, txlen, rxoff, rxlen, csr;
|
|
unsigned long flags;
|
|
|
|
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;
|
|
case avm_c2: s = "C2"; break;
|
|
default: s = "???"; break;
|
|
}
|
|
len += sprintf(page+len, "%-16s %s\n", "type", s);
|
|
if ((s = cinfo->version[VER_DRIVER]) != NULL)
|
|
len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
|
|
if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
|
|
len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
|
|
if ((s = cinfo->version[VER_SERIAL]) != NULL)
|
|
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);
|
|
|
|
|
|
spin_lock_irqsave(&card->lock, flags);
|
|
|
|
txoff = (dma_addr_t)b1dma_readl(card, AMCC_TXPTR)-card->dma->sendbuf.dmaaddr;
|
|
txlen = b1dma_readl(card, AMCC_TXLEN);
|
|
|
|
rxoff = (dma_addr_t)b1dma_readl(card, AMCC_RXPTR)-card->dma->recvbuf.dmaaddr;
|
|
rxlen = b1dma_readl(card, AMCC_RXLEN);
|
|
|
|
csr = b1dma_readl(card, AMCC_INTCSR);
|
|
|
|
spin_unlock_irqrestore(&card->lock, 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)txoff);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"txlen", (unsigned long)txlen);
|
|
len += sprintf(page+len, "%-16s %lu\n",
|
|
"rxoff", (unsigned long)rxoff);
|
|
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);
|
|
|
|
static int __init b1dma_init(void)
|
|
{
|
|
char *p;
|
|
char rev[32];
|
|
|
|
if ((p = strchr(revision, ':')) != NULL && p[1]) {
|
|
strlcpy(rev, p + 2, sizeof(rev));
|
|
if ((p = strchr(rev, '$')) != NULL && p > rev)
|
|
*(p-1) = 0;
|
|
} else
|
|
strcpy(rev, "1.0");
|
|
|
|
printk(KERN_INFO "b1dma: revision %s\n", rev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit b1dma_exit(void)
|
|
{
|
|
}
|
|
|
|
module_init(b1dma_init);
|
|
module_exit(b1dma_exit);
|