/* $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 * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "avmcard.h" #include #include 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 int 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, ®, 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, ®, 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 { memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len); capi_ctr_handle_message(ctrl, ApplId, skb); } break; case RECEIVE_MESSAGE: ApplId = (unsigned) _get_word(&p); MsgLen = _get_slice(&p, card->msgbuf); if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { printk(KERN_ERR "%s: incoming packet dropped\n", card->name); } else { memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) { 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; } /* ------------------------------------------------------------- */ static int b1dmactl_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; } static int b1dmactl_proc_open(struct inode *inode, struct file *file) { return single_open(file, b1dmactl_proc_show, PDE(inode)->data); } const struct file_operations b1dmactl_proc_fops = { .owner = THIS_MODULE, .open = b1dmactl_proc_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; EXPORT_SYMBOL(b1dmactl_proc_fops); /* ------------------------------------------------------------- */ 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);