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path: root/drivers/isdn/hardware/avm/b1dma.c
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Diffstat (limited to 'drivers/isdn/hardware/avm/b1dma.c')
-rw-r--r--drivers/isdn/hardware/avm/b1dma.c981
1 files changed, 0 insertions, 981 deletions
diff --git a/drivers/isdn/hardware/avm/b1dma.c b/drivers/isdn/hardware/avm/b1dma.c
deleted file mode 100644
index 6a3dc9937ce5..000000000000
--- a/drivers/isdn/hardware/avm/b1dma.c
+++ /dev/null
@@ -1,981 +0,0 @@
-/* $Id: b1dma.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $
- *
- * Common module for AVM B1 cards that support dma with AMCC
- *
- * Copyright 2000 by Carsten Paeth <calle@calle.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/skbuff.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/capi.h>
-#include <linux/kernelcapi.h>
-#include <linux/gfp.h>
-#include <asm/io.h>
-#include <linux/init.h>
-#include <linux/uaccess.h>
-#include <linux/netdevice.h>
-#include <linux/isdn/capilli.h>
-#include "avmcard.h"
-#include <linux/isdn/capicmd.h>
-#include <linux/isdn/capiutil.h>
-
-static char *revision = "$Revision: 1.1.2.3 $";
-
-#undef AVM_B1DMA_DEBUG
-
-/* ------------------------------------------------------------- */
-
-MODULE_DESCRIPTION("CAPI4Linux: DMA support for active AVM cards");
-MODULE_AUTHOR("Carsten Paeth");
-MODULE_LICENSE("GPL");
-
-static bool suppress_pollack = 0;
-module_param(suppress_pollack, bool, 0);
-
-/* ------------------------------------------------------------- */
-
-static void b1dma_dispatch_tx(avmcard *card);
-
-/* ------------------------------------------------------------- */
-
-/* S5933 */
-
-#define AMCC_RXPTR 0x24
-#define AMCC_RXLEN 0x28
-#define AMCC_TXPTR 0x2c
-#define AMCC_TXLEN 0x30
-
-#define AMCC_INTCSR 0x38
-# define EN_READ_TC_INT 0x00008000L
-# define EN_WRITE_TC_INT 0x00004000L
-# define EN_TX_TC_INT EN_READ_TC_INT
-# define EN_RX_TC_INT EN_WRITE_TC_INT
-# define AVM_FLAG 0x30000000L
-
-# define ANY_S5933_INT 0x00800000L
-# define READ_TC_INT 0x00080000L
-# define WRITE_TC_INT 0x00040000L
-# define TX_TC_INT READ_TC_INT
-# define RX_TC_INT WRITE_TC_INT
-# define MASTER_ABORT_INT 0x00100000L
-# define TARGET_ABORT_INT 0x00200000L
-# define BUS_MASTER_INT 0x00200000L
-# define ALL_INT 0x000C0000L
-
-#define AMCC_MCSR 0x3c
-# define A2P_HI_PRIORITY 0x00000100L
-# define EN_A2P_TRANSFERS 0x00000400L
-# define P2A_HI_PRIORITY 0x00001000L
-# define EN_P2A_TRANSFERS 0x00004000L
-# define RESET_A2P_FLAGS 0x04000000L
-# define RESET_P2A_FLAGS 0x02000000L
-
-/* ------------------------------------------------------------- */
-
-static inline void b1dma_writel(avmcard *card, u32 value, int off)
-{
- writel(value, card->mbase + off);
-}
-
-static inline u32 b1dma_readl(avmcard *card, int off)
-{
- return readl(card->mbase + off);
-}
-
-/* ------------------------------------------------------------- */
-
-static inline int b1dma_tx_empty(unsigned int port)
-{
- return inb(port + 0x03) & 0x1;
-}
-
-static inline int b1dma_rx_full(unsigned int port)
-{
- return inb(port + 0x02) & 0x1;
-}
-
-static int b1dma_tolink(avmcard *card, void *buf, unsigned int len)
-{
- unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */
- unsigned char *s = (unsigned char *)buf;
- while (len--) {
- while (!b1dma_tx_empty(card->port)
- && time_before(jiffies, stop));
- if (!b1dma_tx_empty(card->port))
- return -1;
- t1outp(card->port, 0x01, *s++);
- }
- return 0;
-}
-
-static int b1dma_fromlink(avmcard *card, void *buf, unsigned int len)
-{
- unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */
- unsigned char *s = (unsigned char *)buf;
- while (len--) {
- while (!b1dma_rx_full(card->port)
- && time_before(jiffies, stop));
- if (!b1dma_rx_full(card->port))
- return -1;
- *s++ = t1inp(card->port, 0x00);
- }
- return 0;
-}
-
-static int WriteReg(avmcard *card, u32 reg, u8 val)
-{
- u8 cmd = 0x00;
- if (b1dma_tolink(card, &cmd, 1) == 0
- && b1dma_tolink(card, &reg, 4) == 0) {
- u32 tmp = val;
- return b1dma_tolink(card, &tmp, 4);
- }
- return -1;
-}
-
-static u8 ReadReg(avmcard *card, u32 reg)
-{
- u8 cmd = 0x01;
- if (b1dma_tolink(card, &cmd, 1) == 0
- && b1dma_tolink(card, &reg, 4) == 0) {
- u32 tmp;
- if (b1dma_fromlink(card, &tmp, 4) == 0)
- return (u8)tmp;
- }
- return 0xff;
-}
-
-/* ------------------------------------------------------------- */
-
-static inline void _put_byte(void **pp, u8 val)
-{
- u8 *s = *pp;
- *s++ = val;
- *pp = s;
-}
-
-static inline void _put_word(void **pp, u32 val)
-{
- u8 *s = *pp;
- *s++ = val & 0xff;
- *s++ = (val >> 8) & 0xff;
- *s++ = (val >> 16) & 0xff;
- *s++ = (val >> 24) & 0xff;
- *pp = s;
-}
-
-static inline void _put_slice(void **pp, unsigned char *dp, unsigned int len)
-{
- unsigned i = len;
- _put_word(pp, i);
- while (i-- > 0)
- _put_byte(pp, *dp++);
-}
-
-static inline u8 _get_byte(void **pp)
-{
- u8 *s = *pp;
- u8 val;
- val = *s++;
- *pp = s;
- return val;
-}
-
-static inline u32 _get_word(void **pp)
-{
- u8 *s = *pp;
- u32 val;
- val = *s++;
- val |= (*s++ << 8);
- val |= (*s++ << 16);
- val |= (*s++ << 24);
- *pp = s;
- return val;
-}
-
-static inline u32 _get_slice(void **pp, unsigned char *dp)
-{
- unsigned int len, i;
-
- len = i = _get_word(pp);
- while (i-- > 0) *dp++ = _get_byte(pp);
- return len;
-}
-
-/* ------------------------------------------------------------- */
-
-void b1dma_reset(avmcard *card)
-{
- card->csr = 0x0;
- b1dma_writel(card, card->csr, AMCC_INTCSR);
- b1dma_writel(card, 0, AMCC_MCSR);
- b1dma_writel(card, 0, AMCC_RXLEN);
- b1dma_writel(card, 0, AMCC_TXLEN);
-
- t1outp(card->port, 0x10, 0x00);
- t1outp(card->port, 0x07, 0x00);
-
- b1dma_writel(card, 0, AMCC_MCSR);
- mdelay(10);
- b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */
- mdelay(10);
- b1dma_writel(card, 0, AMCC_MCSR);
- if (card->cardtype == avm_t1pci)
- mdelay(42);
- else
- mdelay(10);
-}
-
-/* ------------------------------------------------------------- */
-
-static int b1dma_detect(avmcard *card)
-{
- b1dma_writel(card, 0, AMCC_MCSR);
- mdelay(10);
- b1dma_writel(card, 0x0f000000, AMCC_MCSR); /* reset all */
- mdelay(10);
- b1dma_writel(card, 0, AMCC_MCSR);
- mdelay(42);
-
- b1dma_writel(card, 0, AMCC_RXLEN);
- b1dma_writel(card, 0, AMCC_TXLEN);
- card->csr = 0x0;
- b1dma_writel(card, card->csr, AMCC_INTCSR);
-
- if (b1dma_readl(card, AMCC_MCSR) != 0x000000E6)
- return 1;
-
- b1dma_writel(card, 0xffffffff, AMCC_RXPTR);
- b1dma_writel(card, 0xffffffff, AMCC_TXPTR);
- if (b1dma_readl(card, AMCC_RXPTR) != 0xfffffffc
- || b1dma_readl(card, AMCC_TXPTR) != 0xfffffffc)
- return 2;
-
- b1dma_writel(card, 0x0, AMCC_RXPTR);
- b1dma_writel(card, 0x0, AMCC_TXPTR);
- if (b1dma_readl(card, AMCC_RXPTR) != 0x0
- || b1dma_readl(card, AMCC_TXPTR) != 0x0)
- return 3;
-
- t1outp(card->port, 0x10, 0x00);
- t1outp(card->port, 0x07, 0x00);
-
- t1outp(card->port, 0x02, 0x02);
- t1outp(card->port, 0x03, 0x02);
-
- if ((t1inp(card->port, 0x02) & 0xFE) != 0x02
- || t1inp(card->port, 0x3) != 0x03)
- return 4;
-
- t1outp(card->port, 0x02, 0x00);
- t1outp(card->port, 0x03, 0x00);
-
- if ((t1inp(card->port, 0x02) & 0xFE) != 0x00
- || t1inp(card->port, 0x3) != 0x01)
- return 5;
-
- return 0;
-}
-
-int t1pci_detect(avmcard *card)
-{
- int ret;
-
- if ((ret = b1dma_detect(card)) != 0)
- return ret;
-
- /* Transputer test */
-
- if (WriteReg(card, 0x80001000, 0x11) != 0
- || WriteReg(card, 0x80101000, 0x22) != 0
- || WriteReg(card, 0x80201000, 0x33) != 0
- || WriteReg(card, 0x80301000, 0x44) != 0)
- return 6;
-
- if (ReadReg(card, 0x80001000) != 0x11
- || ReadReg(card, 0x80101000) != 0x22
- || ReadReg(card, 0x80201000) != 0x33
- || ReadReg(card, 0x80301000) != 0x44)
- return 7;
-
- if (WriteReg(card, 0x80001000, 0x55) != 0
- || WriteReg(card, 0x80101000, 0x66) != 0
- || WriteReg(card, 0x80201000, 0x77) != 0
- || WriteReg(card, 0x80301000, 0x88) != 0)
- return 8;
-
- if (ReadReg(card, 0x80001000) != 0x55
- || ReadReg(card, 0x80101000) != 0x66
- || ReadReg(card, 0x80201000) != 0x77
- || ReadReg(card, 0x80301000) != 0x88)
- return 9;
-
- return 0;
-}
-
-int b1pciv4_detect(avmcard *card)
-{
- int ret, i;
-
- if ((ret = b1dma_detect(card)) != 0)
- return ret;
-
- for (i = 0; i < 5; i++) {
- if (WriteReg(card, 0x80A00000, 0x21) != 0)
- return 6;
- if ((ReadReg(card, 0x80A00000) & 0x01) != 0x01)
- return 7;
- }
- for (i = 0; i < 5; i++) {
- if (WriteReg(card, 0x80A00000, 0x20) != 0)
- return 8;
- if ((ReadReg(card, 0x80A00000) & 0x01) != 0x00)
- return 9;
- }
-
- return 0;
-}
-
-static void b1dma_queue_tx(avmcard *card, struct sk_buff *skb)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&card->lock, flags);
-
- skb_queue_tail(&card->dma->send_queue, skb);
-
- if (!(card->csr & EN_TX_TC_INT)) {
- b1dma_dispatch_tx(card);
- b1dma_writel(card, card->csr, AMCC_INTCSR);
- }
-
- spin_unlock_irqrestore(&card->lock, flags);
-}
-
-/* ------------------------------------------------------------- */
-
-static void b1dma_dispatch_tx(avmcard *card)
-{
- avmcard_dmainfo *dma = card->dma;
- struct sk_buff *skb;
- u8 cmd, subcmd;
- u16 len;
- u32 txlen;
- void *p;
-
- skb = skb_dequeue(&dma->send_queue);
-
- len = CAPIMSG_LEN(skb->data);
-
- if (len) {
- cmd = CAPIMSG_COMMAND(skb->data);
- subcmd = CAPIMSG_SUBCOMMAND(skb->data);
-
- p = dma->sendbuf.dmabuf;
-
- if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
- u16 dlen = CAPIMSG_DATALEN(skb->data);
- _put_byte(&p, SEND_DATA_B3_REQ);
- _put_slice(&p, skb->data, len);
- _put_slice(&p, skb->data + len, dlen);
- } else {
- _put_byte(&p, SEND_MESSAGE);
- _put_slice(&p, skb->data, len);
- }
- txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf;
-#ifdef AVM_B1DMA_DEBUG
- printk(KERN_DEBUG "tx: put msg len=%d\n", txlen);
-#endif
- } else {
- txlen = skb->len - 2;
-#ifdef AVM_B1DMA_POLLDEBUG
- if (skb->data[2] == SEND_POLLACK)
- printk(KERN_INFO "%s: send ack\n", card->name);
-#endif
-#ifdef AVM_B1DMA_DEBUG
- printk(KERN_DEBUG "tx: put 0x%x len=%d\n",
- skb->data[2], txlen);
-#endif
- skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
- skb->len - 2);
- }
- txlen = (txlen + 3) & ~3;
-
- b1dma_writel(card, dma->sendbuf.dmaaddr, AMCC_TXPTR);
- b1dma_writel(card, txlen, AMCC_TXLEN);
-
- card->csr |= EN_TX_TC_INT;
-
- dev_kfree_skb_any(skb);
-}
-
-/* ------------------------------------------------------------- */
-
-static void queue_pollack(avmcard *card)
-{
- struct sk_buff *skb;
- void *p;
-
- skb = alloc_skb(3, GFP_ATOMIC);
- if (!skb) {
- printk(KERN_CRIT "%s: no memory, lost poll ack\n",
- card->name);
- return;
- }
- p = skb->data;
- _put_byte(&p, 0);
- _put_byte(&p, 0);
- _put_byte(&p, SEND_POLLACK);
- skb_put(skb, (u8 *)p - (u8 *)skb->data);
-
- b1dma_queue_tx(card, skb);
-}
-
-/* ------------------------------------------------------------- */
-
-static void b1dma_handle_rx(avmcard *card)
-{
- avmctrl_info *cinfo = &card->ctrlinfo[0];
- avmcard_dmainfo *dma = card->dma;
- struct capi_ctr *ctrl = &cinfo->capi_ctrl;
- struct sk_buff *skb;
- void *p = dma->recvbuf.dmabuf + 4;
- u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
- u8 b1cmd = _get_byte(&p);
-
-#ifdef AVM_B1DMA_DEBUG
- printk(KERN_DEBUG "rx: 0x%x %lu\n", b1cmd, (unsigned long)dma->recvlen);
-#endif
-
- switch (b1cmd) {
- case RECEIVE_DATA_B3_IND:
-
- ApplId = (unsigned) _get_word(&p);
- MsgLen = _get_slice(&p, card->msgbuf);
- DataB3Len = _get_slice(&p, card->databuf);
-
- if (MsgLen < 30) { /* not CAPI 64Bit */
- memset(card->msgbuf + MsgLen, 0, 30 - MsgLen);
- MsgLen = 30;
- CAPIMSG_SETLEN(card->msgbuf, 30);
- }
- if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
- printk(KERN_ERR "%s: incoming packet dropped\n",
- card->name);
- } else {
- skb_put_data(skb, card->msgbuf, MsgLen);
- skb_put_data(skb, card->databuf, DataB3Len);
- capi_ctr_handle_message(ctrl, ApplId, skb);
- }
- break;
-
- case RECEIVE_MESSAGE:
-
- ApplId = (unsigned) _get_word(&p);
- MsgLen = _get_slice(&p, card->msgbuf);
- if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
- printk(KERN_ERR "%s: incoming packet dropped\n",
- card->name);
- } else {
- skb_put_data(skb, card->msgbuf, MsgLen);
- if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) {
- spin_lock(&card->lock);
- capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
- CAPIMSG_NCCI(skb->data),
- CAPIMSG_MSGID(skb->data));
- spin_unlock(&card->lock);
- }
- capi_ctr_handle_message(ctrl, ApplId, skb);
- }
- break;
-
- 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 b1dma_proc_show(struct seq_file *m, void *v)
-{
- struct capi_ctr *ctrl = m->private;
- avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
- avmcard *card = cinfo->card;
- u8 flag;
- char *s;
- u32 txoff, txlen, rxoff, rxlen, csr;
- unsigned long flags;
-
- seq_printf(m, "%-16s %s\n", "name", card->name);
- seq_printf(m, "%-16s 0x%x\n", "io", card->port);
- seq_printf(m, "%-16s %d\n", "irq", card->irq);
- seq_printf(m, "%-16s 0x%lx\n", "membase", card->membase);
- switch (card->cardtype) {
- case avm_b1isa: s = "B1 ISA"; break;
- case avm_b1pci: s = "B1 PCI"; break;
- case avm_b1pcmcia: s = "B1 PCMCIA"; break;
- case avm_m1: s = "M1"; break;
- case avm_m2: s = "M2"; break;
- case avm_t1isa: s = "T1 ISA (HEMA)"; break;
- case avm_t1pci: s = "T1 PCI"; break;
- case avm_c4: s = "C4"; break;
- case avm_c2: s = "C2"; break;
- default: s = "???"; break;
- }
- seq_printf(m, "%-16s %s\n", "type", s);
- if ((s = cinfo->version[VER_DRIVER]) != NULL)
- seq_printf(m, "%-16s %s\n", "ver_driver", s);
- if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
- seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
- if ((s = cinfo->version[VER_SERIAL]) != NULL)
- seq_printf(m, "%-16s %s\n", "ver_serial", s);
-
- if (card->cardtype != avm_m1) {
- flag = ((u8 *)(ctrl->profile.manu))[3];
- if (flag)
- seq_printf(m, "%-16s%s%s%s%s%s%s%s\n",
- "protocol",
- (flag & 0x01) ? " DSS1" : "",
- (flag & 0x02) ? " CT1" : "",
- (flag & 0x04) ? " VN3" : "",
- (flag & 0x08) ? " NI1" : "",
- (flag & 0x10) ? " AUSTEL" : "",
- (flag & 0x20) ? " ESS" : "",
- (flag & 0x40) ? " 1TR6" : ""
- );
- }
- if (card->cardtype != avm_m1) {
- flag = ((u8 *)(ctrl->profile.manu))[5];
- if (flag)
- seq_printf(m, "%-16s%s%s%s%s\n",
- "linetype",
- (flag & 0x01) ? " point to point" : "",
- (flag & 0x02) ? " point to multipoint" : "",
- (flag & 0x08) ? " leased line without D-channel" : "",
- (flag & 0x04) ? " leased line with D-channel" : ""
- );
- }
- seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
-
-
- 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);
-
- seq_printf(m, "%-16s 0x%lx\n", "csr (cached)", (unsigned long)card->csr);
- seq_printf(m, "%-16s 0x%lx\n", "csr", (unsigned long)csr);
- seq_printf(m, "%-16s %lu\n", "txoff", (unsigned long)txoff);
- seq_printf(m, "%-16s %lu\n", "txlen", (unsigned long)txlen);
- seq_printf(m, "%-16s %lu\n", "rxoff", (unsigned long)rxoff);
- seq_printf(m, "%-16s %lu\n", "rxlen", (unsigned long)rxlen);
-
- return 0;
-}
-EXPORT_SYMBOL(b1dma_proc_show);
-
-/* ------------------------------------------------------------- */
-
-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);
-
-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);