diff options
Diffstat (limited to 'drivers/isdn/hardware/avm/c4.c')
| -rw-r--r-- | drivers/isdn/hardware/avm/c4.c | 466 |
1 files changed, 243 insertions, 223 deletions
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c index 724aac2c1cc..5d00d72fe48 100644 --- a/drivers/isdn/hardware/avm/c4.c +++ b/drivers/isdn/hardware/avm/c4.c @@ -1,7 +1,7 @@ /* $Id: c4.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $ - * + * * Module for AVM C4 & C2 card. - * + * * Copyright 1999 by Carsten Paeth <calle@calle.de> * * This software may be used and distributed according to the terms @@ -9,9 +9,10 @@ * */ -#include <linux/config.h> #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> @@ -21,6 +22,7 @@ #include <linux/capi.h> #include <linux/kernelcapi.h> #include <linux/init.h> +#include <linux/gfp.h> #include <asm/io.h> #include <asm/uaccess.h> #include <linux/netdevice.h> @@ -29,8 +31,8 @@ #include <linux/isdn/capilli.h> #include "avmcard.h" -#undef CONFIG_C4_DEBUG -#undef CONFIG_C4_POLLDEBUG +#undef AVM_C4_DEBUG +#undef AVM_C4_POLLDEBUG /* ------------------------------------------------------------- */ @@ -38,7 +40,7 @@ static char *revision = "$Revision: 1.1.2.2 $"; /* ------------------------------------------------------------- */ -static int suppress_pollack; +static bool suppress_pollack; static struct pci_device_id c4_pci_tbl[] = { { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 }, @@ -50,7 +52,7 @@ MODULE_DEVICE_TABLE(pci, c4_pci_tbl); MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM C2/C4 cards"); MODULE_AUTHOR("Carsten Paeth"); MODULE_LICENSE("GPL"); -MODULE_PARM(suppress_pollack, "0-1i"); +module_param(suppress_pollack, bool, 0); /* ------------------------------------------------------------- */ @@ -127,8 +129,8 @@ static void c4_dispatch_tx(avmcard *card); /* ------------------------------------------------------------- */ -#define RESET_TIMEOUT (15*HZ) /* 15 sec */ -#define PEEK_POKE_TIMEOUT (HZ/10) /* 0.1 sec */ +#define RESET_TIMEOUT (15 * HZ) /* 15 sec */ +#define PEEK_POKE_TIMEOUT (HZ / 10) /* 0.1 sec */ /* ------------------------------------------------------------- */ @@ -146,7 +148,7 @@ static inline int wait_for_doorbell(avmcard *card, unsigned long t) unsigned long stop; stop = jiffies + t; - while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { + while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) { if (!time_before(jiffies, stop)) return -1; mb(); @@ -157,40 +159,40 @@ static inline int wait_for_doorbell(avmcard *card, unsigned long t) static int c4_poke(avmcard *card, unsigned long off, unsigned long value) { - if (wait_for_doorbell(card, HZ/10) < 0) + if (wait_for_doorbell(card, HZ / 10) < 0) return -1; - - c4outmeml(card->mbase+MBOX_PEEK_POKE, off); - c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); - if (wait_for_doorbell(card, HZ/10) < 0) + c4outmeml(card->mbase + MBOX_PEEK_POKE, off); + c4outmeml(card->mbase + DOORBELL, DBELL_ADDR); + + if (wait_for_doorbell(card, HZ / 10) < 0) return -1; - c4outmeml(card->mbase+MBOX_PEEK_POKE, value); - c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR); + c4outmeml(card->mbase + MBOX_PEEK_POKE, value); + c4outmeml(card->mbase + DOORBELL, DBELL_DATA | DBELL_ADDR); return 0; } static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep) { - if (wait_for_doorbell(card, HZ/10) < 0) + if (wait_for_doorbell(card, HZ / 10) < 0) return -1; - c4outmeml(card->mbase+MBOX_PEEK_POKE, off); - c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR); + c4outmeml(card->mbase + MBOX_PEEK_POKE, off); + c4outmeml(card->mbase + DOORBELL, DBELL_RNWR | DBELL_ADDR); - if (wait_for_doorbell(card, HZ/10) < 0) + if (wait_for_doorbell(card, HZ / 10) < 0) return -1; - *valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE); + *valuep = c4inmeml(card->mbase + MBOX_PEEK_POKE); return 0; } /* ------------------------------------------------------------- */ -static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file) +static int c4_load_t4file(avmcard *card, capiloaddatapart *t4file) { u32 val; unsigned char *dp; @@ -200,7 +202,7 @@ static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file) dp = t4file->data; left = t4file->len; while (left >= sizeof(u32)) { - if (t4file->user) { + if (t4file->user) { if (copy_from_user(&val, dp, sizeof(val))) return -EFAULT; } else { @@ -208,7 +210,7 @@ static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file) } if (c4_poke(card, loadoff, val)) { printk(KERN_ERR "%s: corrupted firmware file ?\n", - card->name); + card->name); return -EIO; } left -= sizeof(u32); @@ -225,7 +227,7 @@ static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file) } if (c4_poke(card, loadoff, val)) { printk(KERN_ERR "%s: corrupted firmware file ?\n", - card->name); + card->name); return -EIO; } } @@ -295,13 +297,13 @@ static void c4_reset(avmcard *card) { unsigned long stop; - c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM); + c4outmeml(card->mbase + DOORBELL, DBELL_RESET_ARM); - stop = jiffies + HZ*10; - while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { + stop = jiffies + HZ * 10; + while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) { if (!time_before(jiffies, stop)) return; - c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); + c4outmeml(card->mbase + DOORBELL, DBELL_ADDR); mb(); } @@ -315,89 +317,89 @@ static int c4_detect(avmcard *card) { unsigned long stop, dummy; - c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c); - if (c4inmeml(card->mbase+PCI_OUT_INT_MASK) != 0x0c) + c4outmeml(card->mbase + PCI_OUT_INT_MASK, 0x0c); + if (c4inmeml(card->mbase + PCI_OUT_INT_MASK) != 0x0c) return 1; - c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM); + c4outmeml(card->mbase + DOORBELL, DBELL_RESET_ARM); - stop = jiffies + HZ*10; - while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) { + stop = jiffies + HZ * 10; + while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) { if (!time_before(jiffies, stop)) return 2; - c4outmeml(card->mbase+DOORBELL, DBELL_ADDR); + c4outmeml(card->mbase + DOORBELL, DBELL_ADDR); mb(); } c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0); c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0); - c4outmeml(card->mbase+MAILBOX_0, 0x55aa55aa); - if (c4inmeml(card->mbase+MAILBOX_0) != 0x55aa55aa) return 3; + c4outmeml(card->mbase + MAILBOX_0, 0x55aa55aa); + if (c4inmeml(card->mbase + MAILBOX_0) != 0x55aa55aa) return 3; - c4outmeml(card->mbase+MAILBOX_0, 0xaa55aa55); - if (c4inmeml(card->mbase+MAILBOX_0) != 0xaa55aa55) return 4; + c4outmeml(card->mbase + MAILBOX_0, 0xaa55aa55); + if (c4inmeml(card->mbase + MAILBOX_0) != 0xaa55aa55) return 4; - if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_SA_MASK, 0)) return 5; - if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_PCI_MASK, 0)) return 6; - if (c4_poke(card, DC21285_ARMCSR_BASE+SA_CONTROL, SA_CTL_ALLRIGHT)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DBELL_SA_MASK, 0)) return 5; + if (c4_poke(card, DC21285_ARMCSR_BASE + DBELL_PCI_MASK, 0)) return 6; + if (c4_poke(card, DC21285_ARMCSR_BASE + SA_CONTROL, SA_CTL_ALLRIGHT)) return 7; - if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_CYCLE, INIT_XBUS_CYCLE)) + if (c4_poke(card, DC21285_ARMCSR_BASE + XBUS_CYCLE, INIT_XBUS_CYCLE)) return 8; - if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_STROBE, INIT_XBUS_STROBE)) + if (c4_poke(card, DC21285_ARMCSR_BASE + XBUS_STROBE, INIT_XBUS_STROBE)) return 8; - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, 0)) return 9; + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_TIMING, 0)) return 9; - mdelay(1); + mdelay(1); if (c4_peek(card, DC21285_DRAM_A0MR, &dummy)) return 10; if (c4_peek(card, DC21285_DRAM_A1MR, &dummy)) return 11; if (c4_peek(card, DC21285_DRAM_A2MR, &dummy)) return 12; if (c4_peek(card, DC21285_DRAM_A3MR, &dummy)) return 13; - if (c4_poke(card, DC21285_DRAM_A0MR+CAS_OFFSET, 0)) return 14; - if (c4_poke(card, DC21285_DRAM_A1MR+CAS_OFFSET, 0)) return 15; - if (c4_poke(card, DC21285_DRAM_A2MR+CAS_OFFSET, 0)) return 16; - if (c4_poke(card, DC21285_DRAM_A3MR+CAS_OFFSET, 0)) return 17; + if (c4_poke(card, DC21285_DRAM_A0MR + CAS_OFFSET, 0)) return 14; + if (c4_poke(card, DC21285_DRAM_A1MR + CAS_OFFSET, 0)) return 15; + if (c4_poke(card, DC21285_DRAM_A2MR + CAS_OFFSET, 0)) return 16; + if (c4_poke(card, DC21285_DRAM_A3MR + CAS_OFFSET, 0)) return 17; - mdelay(1); + mdelay(1); - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, DRAM_TIMING_DEF)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_TIMING, DRAM_TIMING_DEF)) return 18; - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_0,DRAM_AD_SZ_DEF0)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_ADDR_SIZE_0, DRAM_AD_SZ_DEF0)) return 19; - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_1,DRAM_AD_SZ_NULL)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_ADDR_SIZE_1, DRAM_AD_SZ_NULL)) return 20; - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_2,DRAM_AD_SZ_NULL)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_ADDR_SIZE_2, DRAM_AD_SZ_NULL)) return 21; - if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_3,DRAM_AD_SZ_NULL)) + if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_ADDR_SIZE_3, DRAM_AD_SZ_NULL)) return 22; /* Transputer test */ - - if ( c4_poke(card, 0x000000, 0x11111111) + + if (c4_poke(card, 0x000000, 0x11111111) || c4_poke(card, 0x400000, 0x22222222) - || c4_poke(card, 0x800000, 0x33333333) - || c4_poke(card, 0xC00000, 0x44444444)) + || c4_poke(card, 0x800000, 0x33333333) + || c4_poke(card, 0xC00000, 0x44444444)) return 23; - if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111 + if (c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111 || c4_peek(card, 0x400000, &dummy) || dummy != 0x22222222 - || c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333 - || c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444) + || c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333 + || c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444) return 24; - if ( c4_poke(card, 0x000000, 0x55555555) + if (c4_poke(card, 0x000000, 0x55555555) || c4_poke(card, 0x400000, 0x66666666) - || c4_poke(card, 0x800000, 0x77777777) - || c4_poke(card, 0xC00000, 0x88888888)) + || c4_poke(card, 0x800000, 0x77777777) + || c4_poke(card, 0xC00000, 0x88888888)) return 25; - if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555 + if (c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555 || c4_peek(card, 0x400000, &dummy) || dummy != 0x66666666 - || c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777 - || c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888) + || c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777 + || c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888) return 26; return 0; @@ -421,7 +423,7 @@ static void c4_dispatch_tx(avmcard *card) skb = skb_dequeue(&dma->send_queue); if (!skb) { -#ifdef CONFIG_C4_DEBUG +#ifdef AVM_C4_DEBUG printk(KERN_DEBUG "%s: tx underrun\n", card->name); #endif return; @@ -445,29 +447,30 @@ static void c4_dispatch_tx(avmcard *card) _put_slice(&p, skb->data, len); } txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf; -#ifdef CONFIG_C4_DEBUG +#ifdef AVM_C4_DEBUG printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen); #endif } else { - txlen = skb->len-2; -#ifdef CONFIG_C4_POLLDEBUG + txlen = skb->len - 2; +#ifdef AVM_C4_POLLDEBUG if (skb->data[2] == SEND_POLLACK) printk(KERN_INFO "%s: ack to c4\n", card->name); #endif -#ifdef CONFIG_C4_DEBUG +#ifdef AVM_C4_DEBUG printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n", - card->name, skb->data[2], txlen); + card->name, skb->data[2], txlen); #endif - memcpy(dma->sendbuf.dmabuf, skb->data+2, skb->len-2); + skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf, + skb->len - 2); } txlen = (txlen + 3) & ~3; - c4outmeml(card->mbase+MBOX_DOWN_ADDR, dma->sendbuf.dmaaddr); - c4outmeml(card->mbase+MBOX_DOWN_LEN, txlen); + c4outmeml(card->mbase + MBOX_DOWN_ADDR, dma->sendbuf.dmaaddr); + c4outmeml(card->mbase + MBOX_DOWN_LEN, txlen); card->csr |= DBELL_DOWN_ARM; - c4outmeml(card->mbase+DOORBELL, DBELL_DOWN_ARM); + c4outmeml(card->mbase + DOORBELL, DBELL_DOWN_ARM); dev_kfree_skb_any(skb); } @@ -482,7 +485,7 @@ static void queue_pollack(avmcard *card) skb = alloc_skb(3, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, lost poll ack\n", - card->name); + card->name); return; } p = skb->data; @@ -509,11 +512,11 @@ static void c4_handle_rx(avmcard *card) u32 cidx; -#ifdef CONFIG_C4_DEBUG +#ifdef AVM_C4_DEBUG printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name, - b1cmd, (unsigned long)dma->recvlen); + b1cmd, (unsigned long)dma->recvlen); #endif - + switch (b1cmd) { case RECEIVE_DATA_B3_IND: @@ -525,13 +528,13 @@ static void c4_handle_rx(avmcard *card) ctrl = &card->ctrlinfo[cidx].capi_ctrl; if (MsgLen < 30) { /* not CAPI 64Bit */ - memset(card->msgbuf+MsgLen, 0, 30-MsgLen); + memset(card->msgbuf + MsgLen, 0, 30 - MsgLen); MsgLen = 30; CAPIMSG_SETLEN(card->msgbuf, 30); } - if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) { + if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) { printk(KERN_ERR "%s: incoming packet dropped\n", - card->name); + card->name); } else { memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len); @@ -550,7 +553,7 @@ static void c4_handle_rx(avmcard *card) if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) { printk(KERN_ERR "%s: incoming packet dropped\n", - card->name); + card->name); } else { memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen); if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF) @@ -567,7 +570,7 @@ static void c4_handle_rx(avmcard *card) ApplId = _get_word(&p); NCCI = _get_word(&p); WindowSize = _get_word(&p); - cidx = (NCCI&0x7f) - card->cardnr; + cidx = (NCCI & 0x7f) - card->cardnr; if (cidx >= card->nlogcontr) cidx = 0; capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI, WindowSize); @@ -580,26 +583,26 @@ static void c4_handle_rx(avmcard *card) NCCI = _get_word(&p); if (NCCI != 0xffffffff) { - cidx = (NCCI&0x7f) - card->cardnr; + cidx = (NCCI & 0x7f) - card->cardnr; if (cidx >= card->nlogcontr) cidx = 0; capilib_free_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI); } break; case RECEIVE_START: -#ifdef CONFIG_C4_POLLDEBUG +#ifdef AVM_C4_POLLDEBUG printk(KERN_INFO "%s: poll from c4\n", card->name); #endif if (!suppress_pollack) queue_pollack(card); - for (cidx=0; cidx < card->nr_controllers; cidx++) { + for (cidx = 0; cidx < card->nr_controllers; cidx++) { ctrl = &card->ctrlinfo[cidx].capi_ctrl; capi_ctr_resume_output(ctrl); } break; case RECEIVE_STOP: - for (cidx=0; cidx < card->nr_controllers; cidx++) { + for (cidx = 0; cidx < card->nr_controllers; cidx++) { ctrl = &card->ctrlinfo[cidx].capi_ctrl; capi_ctr_suspend_output(ctrl); } @@ -607,14 +610,14 @@ static void c4_handle_rx(avmcard *card) case RECEIVE_INIT: - cidx = card->nlogcontr; + cidx = card->nlogcontr; if (cidx >= card->nr_controllers) { printk(KERN_ERR "%s: card with %d controllers ??\n", - card->name, cidx+1); + card->name, cidx + 1); break; } - card->nlogcontr++; - cinfo = &card->ctrlinfo[cidx]; + card->nlogcontr++; + cinfo = &card->ctrlinfo[cidx]; ctrl = &cinfo->capi_ctrl; cinfo->versionlen = _get_slice(&p, cinfo->versionbuf); b1_parse_version(cinfo); @@ -629,23 +632,23 @@ static void c4_handle_rx(avmcard *card) 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; + 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); + 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; + 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); @@ -653,7 +656,7 @@ static void c4_handle_rx(avmcard *card) default: printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n", - card->name, b1cmd); + card->name, b1cmd); return; } } @@ -666,20 +669,22 @@ static irqreturn_t c4_handle_interrupt(avmcard *card) u32 status; spin_lock_irqsave(&card->lock, flags); - status = c4inmeml(card->mbase+DOORBELL); + status = c4inmeml(card->mbase + DOORBELL); if (status & DBELL_RESET_HOST) { u_int i; - c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c); + c4outmeml(card->mbase + PCI_OUT_INT_MASK, 0x0c); spin_unlock_irqrestore(&card->lock, flags); if (card->nlogcontr == 0) return IRQ_HANDLED; printk(KERN_ERR "%s: unexpected reset\n", card->name); - for (i=0; i < card->nr_controllers; i++) { + for (i = 0; i < card->nr_controllers; i++) { avmctrl_info *cinfo = &card->ctrlinfo[i]; memset(cinfo->version, 0, sizeof(cinfo->version)); + spin_lock_irqsave(&card->lock, flags); capilib_release(&cinfo->ncci_head); - capi_ctr_reseted(&cinfo->capi_ctrl); + spin_unlock_irqrestore(&card->lock, flags); + capi_ctr_down(&cinfo->capi_ctrl); } card->nlogcontr = 0; return IRQ_HANDLED; @@ -690,23 +695,23 @@ static irqreturn_t c4_handle_interrupt(avmcard *card) spin_unlock_irqrestore(&card->lock, flags); return IRQ_HANDLED; } - c4outmeml(card->mbase+DOORBELL, status); + c4outmeml(card->mbase + DOORBELL, status); if ((status & DBELL_UP_HOST) != 0) { - card->dma->recvlen = c4inmeml(card->mbase+MBOX_UP_LEN); - c4outmeml(card->mbase+MBOX_UP_LEN, 0); + card->dma->recvlen = c4inmeml(card->mbase + MBOX_UP_LEN); + c4outmeml(card->mbase + MBOX_UP_LEN, 0); c4_handle_rx(card); card->dma->recvlen = 0; - c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size); - c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM); + c4outmeml(card->mbase + MBOX_UP_LEN, card->dma->recvbuf.size); + c4outmeml(card->mbase + DOORBELL, DBELL_UP_ARM); } if ((status & DBELL_DOWN_HOST) != 0) { card->csr &= ~DBELL_DOWN_ARM; - c4_dispatch_tx(card); + c4_dispatch_tx(card); } else if (card->csr & DBELL_DOWN_HOST) { - if (c4inmeml(card->mbase+MBOX_DOWN_LEN) == 0) { - card->csr &= ~DBELL_DOWN_ARM; + if (c4inmeml(card->mbase + MBOX_DOWN_LEN) == 0) { + card->csr &= ~DBELL_DOWN_ARM; c4_dispatch_tx(card); } } @@ -714,7 +719,7 @@ static irqreturn_t c4_handle_interrupt(avmcard *card) return IRQ_HANDLED; } -static irqreturn_t c4_interrupt(int interrupt, void *devptr, struct pt_regs *regs) +static irqreturn_t c4_interrupt(int interrupt, void *devptr) { avmcard *card = devptr; @@ -727,11 +732,12 @@ static void c4_send_init(avmcard *card) { struct sk_buff *skb; void *p; + unsigned long flags; skb = alloc_skb(15, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, lost register appl.\n", - card->name); + card->name); return; } p = skb->data; @@ -739,23 +745,26 @@ static void c4_send_init(avmcard *card) _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, AVM_NCCI_PER_CHANNEL * 30); _put_word(&p, card->cardnr - 1); skb_put(skb, (u8 *)p - (u8 *)skb->data); skb_queue_tail(&card->dma->send_queue, skb); + spin_lock_irqsave(&card->lock, flags); c4_dispatch_tx(card); + spin_unlock_irqrestore(&card->lock, flags); } static int queue_sendconfigword(avmcard *card, u32 val) { struct sk_buff *skb; + unsigned long flags; void *p; - skb = alloc_skb(3+4, GFP_ATOMIC); + skb = alloc_skb(3 + 4, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, send config\n", - card->name); + card->name); return -ENOMEM; } p = skb->data; @@ -766,7 +775,9 @@ static int queue_sendconfigword(avmcard *card, u32 val) skb_put(skb, (u8 *)p - (u8 *)skb->data); skb_queue_tail(&card->dma->send_queue, skb); + spin_lock_irqsave(&card->lock, flags); c4_dispatch_tx(card); + spin_unlock_irqrestore(&card->lock, flags); return 0; } @@ -776,10 +787,10 @@ static int queue_sendconfig(avmcard *card, char cval[4]) unsigned long flags; void *p; - skb = alloc_skb(3+4, GFP_ATOMIC); + skb = alloc_skb(3 + 4, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, send config\n", - card->name); + card->name); return -ENOMEM; } p = skb->data; @@ -793,20 +804,20 @@ static int queue_sendconfig(avmcard *card, char cval[4]) skb_put(skb, (u8 *)p - (u8 *)skb->data); skb_queue_tail(&card->dma->send_queue, skb); - + spin_lock_irqsave(&card->lock, flags); c4_dispatch_tx(card); spin_unlock_irqrestore(&card->lock, flags); return 0; } -static int c4_send_config(avmcard *card, capiloaddatapart * config) +static int c4_send_config(avmcard *card, capiloaddatapart *config) { u8 val[4]; unsigned char *dp; u_int left; int retval; - + if ((retval = queue_sendconfigword(card, 1)) != 0) return retval; if ((retval = queue_sendconfigword(card, config->len)) != 0) @@ -815,7 +826,7 @@ static int c4_send_config(avmcard *card, capiloaddatapart * config) dp = config->data; left = config->len; while (left >= sizeof(u32)) { - if (config->user) { + if (config->user) { if (copy_from_user(val, dp, sizeof(val))) return -EFAULT; } else { @@ -849,37 +860,37 @@ static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) if ((retval = c4_load_t4file(card, &data->firmware))) { printk(KERN_ERR "%s: failed to load t4file!!\n", - card->name); + card->name); c4_reset(card); return retval; } card->csr = 0; - c4outmeml(card->mbase+MBOX_UP_LEN, 0); - c4outmeml(card->mbase+MBOX_DOWN_LEN, 0); - c4outmeml(card->mbase+DOORBELL, DBELL_INIT); + c4outmeml(card->mbase + MBOX_UP_LEN, 0); + c4outmeml(card->mbase + MBOX_DOWN_LEN, 0); + c4outmeml(card->mbase + DOORBELL, DBELL_INIT); mdelay(1); - c4outmeml(card->mbase+DOORBELL, - DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST); + c4outmeml(card->mbase + DOORBELL, + DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST); - c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x08); + c4outmeml(card->mbase + PCI_OUT_INT_MASK, 0x08); card->dma->recvlen = 0; - c4outmeml(card->mbase+MBOX_UP_ADDR, card->dma->recvbuf.dmaaddr); - c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size); - c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM); + c4outmeml(card->mbase + MBOX_UP_ADDR, card->dma->recvbuf.dmaaddr); + c4outmeml(card->mbase + MBOX_UP_LEN, card->dma->recvbuf.size); + c4outmeml(card->mbase + DOORBELL, DBELL_UP_ARM); if (data->configuration.len > 0 && data->configuration.data) { retval = c4_send_config(card, &data->configuration); if (retval) { printk(KERN_ERR "%s: failed to set config!!\n", - card->name); + card->name); c4_reset(card); return retval; } } - c4_send_init(card); + c4_send_init(card); return 0; } @@ -894,14 +905,14 @@ static void c4_reset_ctr(struct capi_ctr *ctrl) spin_lock_irqsave(&card->lock, flags); - c4_reset(card); + c4_reset(card); spin_unlock_irqrestore(&card->lock, flags); - for (i=0; i < card->nr_controllers; i++) { + for (i = 0; i < card->nr_controllers; i++) { cinfo = &card->ctrlinfo[i]; memset(cinfo->version, 0, sizeof(cinfo->version)); - capi_ctr_reseted(&cinfo->capi_ctrl); + capi_ctr_down(&cinfo->capi_ctrl); } card->nlogcontr = 0; } @@ -915,9 +926,9 @@ static void c4_remove(struct pci_dev *pdev) if (!card) return; - c4_reset(card); + c4_reset(card); - for (i=0; i < card->nr_controllers; i++) { + for (i = 0; i < card->nr_controllers; i++) { cinfo = &card->ctrlinfo[i]; detach_capi_ctr(&cinfo->capi_ctrl); } @@ -925,8 +936,8 @@ static void c4_remove(struct pci_dev *pdev) free_irq(card->irq, card); iounmap(card->mbase); release_region(card->port, AVMB1_PORTLEN); - avmcard_dma_free(card->dma); - pci_set_drvdata(pdev, NULL); + avmcard_dma_free(card->dma); + pci_set_drvdata(pdev, NULL); b1_free_card(card); } @@ -934,8 +945,8 @@ static void c4_remove(struct pci_dev *pdev) static void c4_register_appl(struct capi_ctr *ctrl, - u16 appl, - capi_register_params *rp) + u16 appl, + capi_register_params *rp) { avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata); avmcard *card = cinfo->card; @@ -954,7 +965,7 @@ static void c4_register_appl(struct capi_ctr *ctrl, skb = alloc_skb(23, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, lost register appl.\n", - card->name); + card->name); return; } p = skb->data; @@ -962,14 +973,14 @@ static void c4_register_appl(struct capi_ctr *ctrl, _put_byte(&p, 0); _put_byte(&p, SEND_REGISTER); _put_word(&p, appl); - _put_word(&p, 1024 * (nconn+1)); + _put_word(&p, 1024 * (nconn + 1)); _put_word(&p, nconn); _put_word(&p, rp->datablkcnt); _put_word(&p, rp->datablklen); skb_put(skb, (u8 *)p - (u8 *)skb->data); skb_queue_tail(&card->dma->send_queue, skb); - + spin_lock_irqsave(&card->lock, flags); c4_dispatch_tx(card); spin_unlock_irqrestore(&card->lock, flags); @@ -986,13 +997,15 @@ static void c4_release_appl(struct capi_ctr *ctrl, u16 appl) struct sk_buff *skb; void *p; + spin_lock_irqsave(&card->lock, flags); capilib_release_appl(&cinfo->ncci_head, appl); + spin_unlock_irqrestore(&card->lock, flags); if (ctrl->cnr == card->cardnr) { skb = alloc_skb(7, GFP_ATOMIC); if (!skb) { printk(KERN_CRIT "%s: no memory, lost release appl.\n", - card->name); + card->name); return; } p = skb->data; @@ -1019,7 +1032,8 @@ static u16 c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) u16 retval = CAPI_NOERROR; unsigned long flags; - if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { + spin_lock_irqsave(&card->lock, flags); + if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) { retval = capilib_data_b3_req(&cinfo->ncci_head, CAPIMSG_APPID(skb->data), CAPIMSG_NCCI(skb->data), @@ -1027,10 +1041,9 @@ static u16 c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) } if (retval == CAPI_NOERROR) { skb_queue_tail(&card->dma->send_queue, skb); - spin_lock_irqsave(&card->lock, flags); c4_dispatch_tx(card); - spin_unlock_irqrestore(&card->lock, flags); } + spin_unlock_irqrestore(&card->lock, flags); return retval; } @@ -1052,19 +1065,18 @@ static char *c4_procinfo(struct capi_ctr *ctrl) return cinfo->infobuf; } -static int c4_read_proc(char *page, char **start, off_t off, - int count, int *eof, struct capi_ctr *ctrl) +static int c4_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; - int len = 0; char *s; - len += sprintf(page+len, "%-16s %s\n", "name", card->name); - len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port); - len += sprintf(page+len, "%-16s %d\n", "irq", card->irq); - len += sprintf(page+len, "%-16s 0x%lx\n", "membase", card->membase); + 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; @@ -1077,49 +1089,57 @@ static int c4_read_proc(char *page, char **start, off_t off, case avm_c2: s = "C2"; break; default: s = "???"; break; } - len += sprintf(page+len, "%-16s %s\n", "type", s); - if ((s = cinfo->version[VER_DRIVER]) != 0) - len += sprintf(page+len, "%-16s %s\n", "ver_driver", s); - if ((s = cinfo->version[VER_CARDTYPE]) != 0) - len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s); - if ((s = cinfo->version[VER_SERIAL]) != 0) - len += sprintf(page+len, "%-16s %s\n", "ver_serial", s); + 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) - 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" : "" - ); + 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]; + 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" : "" - ); + 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" : "" + ); } - len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname); - - if (off+count >= len) - *eof = 1; - if (len < off) - return 0; - *start = page + off; - return ((count < len-off) ? count : len-off); + seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname); + + return 0; +} + +static int c4_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, c4_proc_show, PDE_DATA(inode)); } +static const struct file_operations c4_proc_fops = { + .owner = THIS_MODULE, + .open = c4_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /* ------------------------------------------------------------- */ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, @@ -1136,7 +1156,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, retval = -ENOMEM; goto err; } - card->dma = avmcard_dma_alloc("c4", dev, 2048+128, 2048+128); + card->dma = avmcard_dma_alloc("c4", dev, 2048 + 128, 2048 + 128); if (!card->dma) { printk(KERN_WARNING "c4: no memory.\n"); retval = -ENOMEM; @@ -1157,7 +1177,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, } card->mbase = ioremap(card->membase, 128); - if (card->mbase == 0) { + if (card->mbase == NULL) { printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n", card->membase); retval = -EIO; @@ -1173,14 +1193,14 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, } c4_reset(card); - retval = request_irq(card->irq, c4_interrupt, SA_SHIRQ, card->name, card); + retval = request_irq(card->irq, c4_interrupt, IRQF_SHARED, card->name, card); if (retval) { - printk(KERN_ERR "c4: unable to get IRQ %d.\n",card->irq); + printk(KERN_ERR "c4: unable to get IRQ %d.\n", card->irq); retval = -EBUSY; goto err_unmap; } - for (i=0; i < nr_controllers ; i++) { + for (i = 0; i < nr_controllers; i++) { cinfo = &card->ctrlinfo[i]; cinfo->capi_ctrl.owner = THIS_MODULE; cinfo->capi_ctrl.driver_name = "c4"; @@ -1191,7 +1211,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, cinfo->capi_ctrl.load_firmware = c4_load_firmware; cinfo->capi_ctrl.reset_ctr = c4_reset_ctr; cinfo->capi_ctrl.procinfo = c4_procinfo; - cinfo->capi_ctrl.ctr_read_proc = c4_read_proc; + cinfo->capi_ctrl.proc_fops = &c4_proc_fops; strcpy(cinfo->capi_ctrl.name, card->name); retval = attach_capi_ctr(&cinfo->capi_ctrl); @@ -1213,24 +1233,23 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev, pci_set_drvdata(dev, card); return 0; - err_free_irq: +err_free_irq: free_irq(card->irq, card); - err_unmap: +err_unmap: iounmap(card->mbase); - err_release_region: +err_release_region: release_region(card->port, AVMB1_PORTLEN); - err_free_dma: +err_free_dma: avmcard_dma_free(card->dma); - err_free: +err_free: b1_free_card(card); - err: +err: return retval; } /* ------------------------------------------------------------- */ -static int __devinit c4_probe(struct pci_dev *dev, - const struct pci_device_id *ent) +static int c4_probe(struct pci_dev *dev, const struct pci_device_id *ent) { int nr = ent->driver_data; int retval = 0; @@ -1245,24 +1264,25 @@ static int __devinit c4_probe(struct pci_dev *dev, param.port = pci_resource_start(dev, 1); param.irq = dev->irq; param.membase = pci_resource_start(dev, 0); - + printk(KERN_INFO "c4: PCI BIOS reports AVM-C%d at i/o %#x, irq %d, mem %#x\n", nr, param.port, param.irq, param.membase); - + retval = c4_add_card(¶m, dev, nr); if (retval != 0) { printk(KERN_ERR "c4: no AVM-C%d at i/o %#x, irq %d detected, mem %#x\n", nr, param.port, param.irq, param.membase); + pci_disable_device(dev); return -ENODEV; } return 0; } static struct pci_driver c4_pci_driver = { - .name = "c4", - .id_table = c4_pci_tbl, - .probe = c4_probe, - .remove = c4_remove, + .name = "c4", + .id_table = c4_pci_tbl, + .probe = c4_probe, + .remove = c4_remove, }; static struct capi_driver capi_driver_c2 = { @@ -1281,10 +1301,10 @@ static int __init c4_init(void) char rev[32]; int err; - if ((p = strchr(revision, ':')) != 0 && p[1]) { + if ((p = strchr(revision, ':')) != NULL && p[1]) { strlcpy(rev, p + 2, 32); - if ((p = strchr(rev, '$')) != 0 && p > rev) - *(p-1) = 0; + if ((p = strchr(rev, '$')) != NULL && p > rev) + *(p - 1) = 0; } else strcpy(rev, "1.0"); |