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Diffstat (limited to 'drivers/isdn/hardware/avm/c4.c')
-rw-r--r--drivers/isdn/hardware/avm/c4.c1317
1 files changed, 0 insertions, 1317 deletions
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
deleted file mode 100644
index ac72cd204c4d..000000000000
--- a/drivers/isdn/hardware/avm/c4.c
+++ /dev/null
@@ -1,1317 +0,0 @@
-/* $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
- * 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/pci.h>
-#include <linux/capi.h>
-#include <linux/kernelcapi.h>
-#include <linux/init.h>
-#include <linux/gfp.h>
-#include <asm/io.h>
-#include <linux/uaccess.h>
-#include <linux/netdevice.h>
-#include <linux/isdn/capicmd.h>
-#include <linux/isdn/capiutil.h>
-#include <linux/isdn/capilli.h>
-#include "avmcard.h"
-
-#undef AVM_C4_DEBUG
-#undef AVM_C4_POLLDEBUG
-
-/* ------------------------------------------------------------- */
-
-static char *revision = "$Revision: 1.1.2.2 $";
-
-/* ------------------------------------------------------------- */
-
-static bool suppress_pollack;
-
-static const 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 },
- { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 },
- { } /* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE(pci, c4_pci_tbl);
-MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM C2/C4 cards");
-MODULE_AUTHOR("Carsten Paeth");
-MODULE_LICENSE("GPL");
-module_param(suppress_pollack, bool, 0);
-
-/* ------------------------------------------------------------- */
-
-static void c4_dispatch_tx(avmcard *card);
-
-/* ------------------------------------------------------------- */
-
-#define DC21285_DRAM_A0MR 0x40000000
-#define DC21285_DRAM_A1MR 0x40004000
-#define DC21285_DRAM_A2MR 0x40008000
-#define DC21285_DRAM_A3MR 0x4000C000
-
-#define CAS_OFFSET 0x88
-
-#define DC21285_ARMCSR_BASE 0x42000000
-
-#define PCI_OUT_INT_STATUS 0x30
-#define PCI_OUT_INT_MASK 0x34
-#define MAILBOX_0 0x50
-#define MAILBOX_1 0x54
-#define MAILBOX_2 0x58
-#define MAILBOX_3 0x5C
-#define DOORBELL 0x60
-#define DOORBELL_SETUP 0x64
-
-#define CHAN_1_CONTROL 0x90
-#define CHAN_2_CONTROL 0xB0
-#define DRAM_TIMING 0x10C
-#define DRAM_ADDR_SIZE_0 0x110
-#define DRAM_ADDR_SIZE_1 0x114
-#define DRAM_ADDR_SIZE_2 0x118
-#define DRAM_ADDR_SIZE_3 0x11C
-#define SA_CONTROL 0x13C
-#define XBUS_CYCLE 0x148
-#define XBUS_STROBE 0x14C
-#define DBELL_PCI_MASK 0x150
-#define DBELL_SA_MASK 0x154
-
-#define SDRAM_SIZE 0x1000000
-
-/* ------------------------------------------------------------- */
-
-#define MBOX_PEEK_POKE MAILBOX_0
-
-#define DBELL_ADDR 0x01
-#define DBELL_DATA 0x02
-#define DBELL_RNWR 0x40
-#define DBELL_INIT 0x80
-
-/* ------------------------------------------------------------- */
-
-#define MBOX_UP_ADDR MAILBOX_0
-#define MBOX_UP_LEN MAILBOX_1
-#define MBOX_DOWN_ADDR MAILBOX_2
-#define MBOX_DOWN_LEN MAILBOX_3
-
-#define DBELL_UP_HOST 0x00000100
-#define DBELL_UP_ARM 0x00000200
-#define DBELL_DOWN_HOST 0x00000400
-#define DBELL_DOWN_ARM 0x00000800
-#define DBELL_RESET_HOST 0x40000000
-#define DBELL_RESET_ARM 0x80000000
-
-/* ------------------------------------------------------------- */
-
-#define DRAM_TIMING_DEF 0x001A01A5
-#define DRAM_AD_SZ_DEF0 0x00000045
-#define DRAM_AD_SZ_NULL 0x00000000
-
-#define SA_CTL_ALLRIGHT 0x64AA0271
-
-#define INIT_XBUS_CYCLE 0x100016DB
-#define INIT_XBUS_STROBE 0xF1F1F1F1
-
-/* ------------------------------------------------------------- */
-
-#define RESET_TIMEOUT (15 * HZ) /* 15 sec */
-#define PEEK_POKE_TIMEOUT (HZ / 10) /* 0.1 sec */
-
-/* ------------------------------------------------------------- */
-
-#define c4outmeml(addr, value) writel(value, addr)
-#define c4inmeml(addr) readl(addr)
-#define c4outmemw(addr, value) writew(value, addr)
-#define c4inmemw(addr) readw(addr)
-#define c4outmemb(addr, value) writeb(value, addr)
-#define c4inmemb(addr) readb(addr)
-
-/* ------------------------------------------------------------- */
-
-static inline int wait_for_doorbell(avmcard *card, unsigned long t)
-{
- unsigned long stop;
-
- stop = jiffies + t;
- while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) {
- if (!time_before(jiffies, stop))
- return -1;
- mb();
- }
- return 0;
-}
-
-static int c4_poke(avmcard *card, unsigned long off, unsigned long value)
-{
-
- 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)
- return -1;
-
- 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)
- return -1;
-
- c4outmeml(card->mbase + MBOX_PEEK_POKE, off);
- c4outmeml(card->mbase + DOORBELL, DBELL_RNWR | DBELL_ADDR);
-
- if (wait_for_doorbell(card, HZ / 10) < 0)
- return -1;
-
- *valuep = c4inmeml(card->mbase + MBOX_PEEK_POKE);
-
- return 0;
-}
-
-/* ------------------------------------------------------------- */
-
-static int c4_load_t4file(avmcard *card, capiloaddatapart *t4file)
-{
- u32 val;
- unsigned char *dp;
- u_int left;
- u32 loadoff = 0;
-
- dp = t4file->data;
- left = t4file->len;
- while (left >= sizeof(u32)) {
- if (t4file->user) {
- if (copy_from_user(&val, dp, sizeof(val)))
- return -EFAULT;
- } else {
- memcpy(&val, dp, sizeof(val));
- }
- if (c4_poke(card, loadoff, val)) {
- printk(KERN_ERR "%s: corrupted firmware file ?\n",
- card->name);
- return -EIO;
- }
- left -= sizeof(u32);
- dp += sizeof(u32);
- loadoff += sizeof(u32);
- }
- if (left) {
- val = 0;
- if (t4file->user) {
- if (copy_from_user(&val, dp, left))
- return -EFAULT;
- } else {
- memcpy(&val, dp, left);
- }
- if (c4_poke(card, loadoff, val)) {
- printk(KERN_ERR "%s: corrupted firmware file ?\n",
- card->name);
- return -EIO;
- }
- }
- return 0;
-}
-
-/* ------------------------------------------------------------- */
-
-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;
-}
-
-/* ------------------------------------------------------------- */
-
-static void c4_reset(avmcard *card)
-{
- unsigned long stop;
-
- c4outmeml(card->mbase + DOORBELL, DBELL_RESET_ARM);
-
- stop = jiffies + HZ * 10;
- while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) {
- if (!time_before(jiffies, stop))
- return;
- 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);
-}
-
-/* ------------------------------------------------------------- */
-
-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)
- return 1;
-
- c4outmeml(card->mbase + DOORBELL, DBELL_RESET_ARM);
-
- stop = jiffies + HZ * 10;
- while (c4inmeml(card->mbase + DOORBELL) != 0xffffffff) {
- if (!time_before(jiffies, stop))
- return 2;
- 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, 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))
- return 7;
- 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))
- return 8;
- if (c4_poke(card, DC21285_ARMCSR_BASE + DRAM_TIMING, 0)) return 9;
-
- 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;
-
- mdelay(1);
-
- 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))
- return 19;
- 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))
- return 21;
- 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)
- || c4_poke(card, 0x400000, 0x22222222)
- || c4_poke(card, 0x800000, 0x33333333)
- || c4_poke(card, 0xC00000, 0x44444444))
- return 23;
-
- 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)
- return 24;
-
- if (c4_poke(card, 0x000000, 0x55555555)
- || c4_poke(card, 0x400000, 0x66666666)
- || c4_poke(card, 0x800000, 0x77777777)
- || c4_poke(card, 0xC00000, 0x88888888))
- return 25;
-
- 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)
- return 26;
-
- return 0;
-}
-
-/* ------------------------------------------------------------- */
-
-static void c4_dispatch_tx(avmcard *card)
-{
- avmcard_dmainfo *dma = card->dma;
- struct sk_buff *skb;
- u8 cmd, subcmd;
- u16 len;
- u32 txlen;
- void *p;
-
-
- if (card->csr & DBELL_DOWN_ARM) { /* tx busy */
- return;
- }
-
- skb = skb_dequeue(&dma->send_queue);
- if (!skb) {
-#ifdef AVM_C4_DEBUG
- printk(KERN_DEBUG "%s: tx underrun\n", card->name);
-#endif
- return;
- }
-
- 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_C4_DEBUG
- printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen);
-#endif
- } else {
- 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 AVM_C4_DEBUG
- printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
- card->name, skb->data[2], txlen);
-#endif
- 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);
-
- card->csr |= DBELL_DOWN_ARM;
-
- c4outmeml(card->mbase + DOORBELL, DBELL_DOWN_ARM);
-
- 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);
-
- skb_queue_tail(&card->dma->send_queue, skb);
- c4_dispatch_tx(card);
-}
-
-/* ------------------------------------------------------------- */
-
-static void c4_handle_rx(avmcard *card)
-{
- avmcard_dmainfo *dma = card->dma;
- struct capi_ctr *ctrl;
- avmctrl_info *cinfo;
- struct sk_buff *skb;
- void *p = dma->recvbuf.dmabuf;
- u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
- u8 b1cmd = _get_byte(&p);
- u32 cidx;
-
-
-#ifdef AVM_C4_DEBUG
- printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name,
- 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);
- cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
- if (cidx >= card->nlogcontr) cidx = 0;
- ctrl = &card->ctrlinfo[cidx].capi_ctrl;
-
- 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);
- cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
- if (cidx >= card->nlogcontr) cidx = 0;
- cinfo = &card->ctrlinfo[cidx];
- ctrl = &card->ctrlinfo[cidx].capi_ctrl;
-
- 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)
- capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
- CAPIMSG_NCCI(skb->data),
- CAPIMSG_MSGID(skb->data));
-
- capi_ctr_handle_message(ctrl, ApplId, skb);
- }
- break;
-
- case RECEIVE_NEW_NCCI:
-
- ApplId = _get_word(&p);
- NCCI = _get_word(&p);
- WindowSize = _get_word(&p);
- cidx = (NCCI & 0x7f) - card->cardnr;
- if (cidx >= card->nlogcontr) cidx = 0;
-
- capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI, WindowSize);
-
- break;
-
- case RECEIVE_FREE_NCCI:
-
- ApplId = _get_word(&p);
- NCCI = _get_word(&p);
-
- if (NCCI != 0xffffffff) {
- 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 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++) {
- ctrl = &card->ctrlinfo[cidx].capi_ctrl;
- capi_ctr_resume_output(ctrl);
- }
- break;
-
- case RECEIVE_STOP:
- for (cidx = 0; cidx < card->nr_controllers; cidx++) {
- ctrl = &card->ctrlinfo[cidx].capi_ctrl;
- capi_ctr_suspend_output(ctrl);
- }
- break;
-
- case RECEIVE_INIT:
-
- cidx = card->nlogcontr;
- if (cidx >= card->nr_controllers) {
- printk(KERN_ERR "%s: card with %d controllers ??\n",
- card->name, cidx + 1);
- break;
- }
- card->nlogcontr++;
- cinfo = &card->ctrlinfo[cidx];
- ctrl = &cinfo->capi_ctrl;
- 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(&cinfo->capi_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: c4_interrupt: 0x%x ???\n",
- card->name, b1cmd);
- return;
- }
-}
-
-/* ------------------------------------------------------------- */
-
-static irqreturn_t c4_handle_interrupt(avmcard *card)
-{
- unsigned long flags;
- u32 status;
-
- spin_lock_irqsave(&card->lock, flags);
- status = c4inmeml(card->mbase + DOORBELL);
-
- if (status & DBELL_RESET_HOST) {
- u_int i;
- 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++) {
- avmctrl_info *cinfo = &card->ctrlinfo[i];
- memset(cinfo->version, 0, sizeof(cinfo->version));
- spin_lock_irqsave(&card->lock, flags);
- capilib_release(&cinfo->ncci_head);
- spin_unlock_irqrestore(&card->lock, flags);
- capi_ctr_down(&cinfo->capi_ctrl);
- }
- card->nlogcontr = 0;
- return IRQ_HANDLED;
- }
-
- status &= (DBELL_UP_HOST | DBELL_DOWN_HOST);
- if (!status) {
- spin_unlock_irqrestore(&card->lock, flags);
- return IRQ_HANDLED;
- }
- 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);
- 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);
- }
-
- if ((status & DBELL_DOWN_HOST) != 0) {
- card->csr &= ~DBELL_DOWN_ARM;
- c4_dispatch_tx(card);
- } else if (card->csr & DBELL_DOWN_HOST) {
- if (c4inmeml(card->mbase + MBOX_DOWN_LEN) == 0) {
- card->csr &= ~DBELL_DOWN_ARM;
- c4_dispatch_tx(card);
- }
- }
- spin_unlock_irqrestore(&card->lock, flags);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t c4_interrupt(int interrupt, void *devptr)
-{
- avmcard *card = devptr;
-
- return c4_handle_interrupt(card);
-}
-
-/* ------------------------------------------------------------- */
-
-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);
- 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);
-
- 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);
- if (!skb) {
- printk(KERN_CRIT "%s: no memory, send config\n",
- card->name);
- return -ENOMEM;
- }
- p = skb->data;
- _put_byte(&p, 0);
- _put_byte(&p, 0);
- _put_byte(&p, SEND_CONFIG);
- _put_word(&p, 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;
-}
-
-static int queue_sendconfig(avmcard *card, char cval[4])
-{
- struct sk_buff *skb;
- unsigned long flags;
- void *p;
-
- skb = alloc_skb(3 + 4, GFP_ATOMIC);
- if (!skb) {
- printk(KERN_CRIT "%s: no memory, send config\n",
- card->name);
- return -ENOMEM;
- }
- p = skb->data;
- _put_byte(&p, 0);
- _put_byte(&p, 0);
- _put_byte(&p, SEND_CONFIG);
- _put_byte(&p, cval[0]);
- _put_byte(&p, cval[1]);
- _put_byte(&p, cval[2]);
- _put_byte(&p, cval[3]);
- 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)
-{
- 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)
- return retval;
-
- dp = config->data;
- left = config->len;
- while (left >= sizeof(u32)) {
- if (config->user) {
- if (copy_from_user(val, dp, sizeof(val)))
- return -EFAULT;
- } else {
- memcpy(val, dp, sizeof(val));
- }
- if ((retval = queue_sendconfig(card, val)) != 0)
- return retval;
- left -= sizeof(val);
- dp += sizeof(val);
- }
- if (left) {
- memset(val, 0, sizeof(val));
- if (config->user) {
- if (copy_from_user(&val, dp, left))
- return -EFAULT;
- } else {
- memcpy(&val, dp, left);
- }
- if ((retval = queue_sendconfig(card, val)) != 0)
- return retval;
- }
-
- return 0;
-}
-
-static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
-{
- avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
- avmcard *card = cinfo->card;
- int retval;
-
- if ((retval = c4_load_t4file(card, &data->firmware))) {
- printk(KERN_ERR "%s: failed to load t4file!!\n",
- 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);
- mdelay(1);
- c4outmeml(card->mbase + DOORBELL,
- DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST);
-
- 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);
-
- 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);
- c4_reset(card);
- return retval;
- }
- }
-
- c4_send_init(card);
-
- return 0;
-}
-
-
-static void c4_reset_ctr(struct capi_ctr *ctrl)
-{
- avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
- avmctrl_info *cinfo;
- u_int i;
- unsigned long flags;
-
- spin_lock_irqsave(&card->lock, flags);
-
- c4_reset(card);
-
- spin_unlock_irqrestore(&card->lock, flags);
-
- for (i = 0; i < card->nr_controllers; i++) {
- cinfo = &card->ctrlinfo[i];
- memset(cinfo->version, 0, sizeof(cinfo->version));
- capi_ctr_down(&cinfo->capi_ctrl);
- }
- card->nlogcontr = 0;
-}
-
-static void c4_remove(struct pci_dev *pdev)
-{
- avmcard *card = pci_get_drvdata(pdev);
- avmctrl_info *cinfo;
- u_int i;
-
- if (!card)
- return;
-
- c4_reset(card);
-
- for (i = 0; i < card->nr_controllers; i++) {
- cinfo = &card->ctrlinfo[i];
- detach_capi_ctr(&cinfo->capi_ctrl);
- }
-
- free_irq(card->irq, card);
- iounmap(card->mbase);
- release_region(card->port, AVMB1_PORTLEN);
- avmcard_dma_free(card->dma);
- pci_set_drvdata(pdev, NULL);
- b1_free_card(card);
-}
-
-/* ------------------------------------------------------------- */
-
-
-static void c4_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;
- unsigned long flags;
- int nconn;
- void *p;
-
- if (ctrl->cnr == card->cardnr) {
-
- if (want > 0) nconn = want;
- else nconn = ctrl->profile.nbchannel * 4 * -want;
- if (nconn == 0) nconn = ctrl->profile.nbchannel * 4;
-
- skb = alloc_skb(23, GFP_ATOMIC);
- if (!skb) {
- printk(KERN_CRIT "%s: no memory, lost register appl.\n",
- card->name);
- return;
- }
- p = skb->data;
- _put_byte(&p, 0);
- _put_byte(&p, 0);
- _put_byte(&p, SEND_REGISTER);
- _put_word(&p, appl);
- _put_word(&p, 1024 * (nconn + 1));
- _put_word(&p, nconn);
- _put_word(&p, rp->datablkcnt);
- _put_word(&p, rp->datablklen);
- skb_put(skb, (u8 *)p - (u8 *)skb->data);
-
- skb_queue_tail(&card->dma->send_queue, skb);
-
- spin_lock_irqsave(&card->lock, flags);
- c4_dispatch_tx(card);
- spin_unlock_irqrestore(&card->lock, flags);
- }
-}
-
-/* ------------------------------------------------------------- */
-
-static void c4_release_appl(struct capi_ctr *ctrl, u16 appl)
-{
- avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
- avmcard *card = cinfo->card;
- unsigned long flags;
- 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);
- return;
- }
- p = skb->data;
- _put_byte(&p, 0);
- _put_byte(&p, 0);
- _put_byte(&p, SEND_RELEASE);
- _put_word(&p, appl);
-
- skb_put(skb, (u8 *)p - (u8 *)skb->data);
- skb_queue_tail(&card->dma->send_queue, skb);
- spin_lock_irqsave(&card->lock, flags);
- c4_dispatch_tx(card);
- spin_unlock_irqrestore(&card->lock, flags);
- }
-}
-
-/* ------------------------------------------------------------- */
-
-
-static u16 c4_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;
- unsigned long flags;
-
- 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),
- CAPIMSG_MSGID(skb->data));
- }
- if (retval == CAPI_NOERROR) {
- skb_queue_tail(&card->dma->send_queue, skb);
- c4_dispatch_tx(card);
- }
- spin_unlock_irqrestore(&card->lock, flags);
- return retval;
-}
-
-/* ------------------------------------------------------------- */
-
-static char *c4_procinfo(struct capi_ctr *ctrl)
-{
- avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
-
- if (!cinfo)
- return "";
- sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx",
- cinfo->cardname[0] ? cinfo->cardname : "-",
- cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
- cinfo->card ? cinfo->card->port : 0x0,
- cinfo->card ? cinfo->card->irq : 0,
- cinfo->card ? cinfo->card->membase : 0
- );
- return cinfo->infobuf;
-}
-
-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;
- char *s;
-
- 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);
-
- return 0;
-}
-
-/* ------------------------------------------------------------- */
-
-static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
- int nr_controllers)
-{
- avmcard *card;
- avmctrl_info *cinfo;
- int retval;
- int i;
-
- card = b1_alloc_card(nr_controllers);
- if (!card) {
- printk(KERN_WARNING "c4: no memory.\n");
- retval = -ENOMEM;
- goto err;
- }
- card->dma = avmcard_dma_alloc("c4", dev, 2048 + 128, 2048 + 128);
- if (!card->dma) {
- printk(KERN_WARNING "c4: no memory.\n");
- retval = -ENOMEM;
- goto err_free;
- }
-
- sprintf(card->name, "c%d-%x", nr_controllers, p->port);
- card->port = p->port;
- card->irq = p->irq;
- card->membase = p->membase;
- card->cardtype = (nr_controllers == 4) ? avm_c4 : avm_c2;
-
- if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
- printk(KERN_WARNING "c4: ports 0x%03x-0x%03x in use.\n",
- card->port, card->port + AVMB1_PORTLEN);
- retval = -EBUSY;
- goto err_free_dma;
- }
-
- card->mbase = ioremap(card->membase, 128);
- if (card->mbase == NULL) {
- printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n",
- card->membase);
- retval = -EIO;
- goto err_release_region;
- }
-
- retval = c4_detect(card);
- if (retval != 0) {
- printk(KERN_NOTICE "c4: NO card at 0x%x error(%d)\n",
- card->port, retval);
- retval = -EIO;
- goto err_unmap;
- }
- c4_reset(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);
- retval = -EBUSY;
- goto err_unmap;
- }
-
- for (i = 0; i < nr_controllers; i++) {
- cinfo = &card->ctrlinfo[i];
- cinfo->capi_ctrl.owner = THIS_MODULE;
- cinfo->capi_ctrl.driver_name = "c4";
- cinfo->capi_ctrl.driverdata = cinfo;
- cinfo->capi_ctrl.register_appl = c4_register_appl;
- cinfo->capi_ctrl.release_appl = c4_release_appl;
- cinfo->capi_ctrl.send_message = c4_send_message;
- 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.proc_show = c4_proc_show;
- strcpy(cinfo->capi_ctrl.name, card->name);
-
- retval = attach_capi_ctr(&cinfo->capi_ctrl);
- if (retval) {
- printk(KERN_ERR "c4: attach controller failed (%d).\n", i);
- for (i--; i >= 0; i--) {
- cinfo = &card->ctrlinfo[i];
- detach_capi_ctr(&cinfo->capi_ctrl);
- }
- goto err_free_irq;
- }
- if (i == 0)
- card->cardnr = cinfo->capi_ctrl.cnr;
- }
-
- printk(KERN_INFO "c4: AVM C%d at i/o %#x, irq %d, mem %#lx\n",
- nr_controllers, card->port, card->irq,
- card->membase);
- pci_set_drvdata(dev, card);
- return 0;
-
-err_free_irq:
- free_irq(card->irq, card);
-err_unmap:
- iounmap(card->mbase);
-err_release_region:
- release_region(card->port, AVMB1_PORTLEN);
-err_free_dma:
- avmcard_dma_free(card->dma);
-err_free:
- b1_free_card(card);
-err:
- return retval;
-}
-
-/* ------------------------------------------------------------- */
-
-static int c4_probe(struct pci_dev *dev, const struct pci_device_id *ent)
-{
- int nr = ent->driver_data;
- int retval = 0;
- struct capicardparams param;
-
- if (pci_enable_device(dev) < 0) {
- printk(KERN_ERR "c4: failed to enable AVM-C%d\n", nr);
- return -ENODEV;
- }
- pci_set_master(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(&param, 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,
-};
-
-static struct capi_driver capi_driver_c2 = {
- .name = "c2",
- .revision = "1.0",
-};
-
-static struct capi_driver capi_driver_c4 = {
- .name = "c4",
- .revision = "1.0",
-};
-
-static int __init c4_init(void)
-{
- char *p;
- char rev[32];
- int err;
-
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strlcpy(rev, p + 2, 32);
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p - 1) = 0;
- } else
- strcpy(rev, "1.0");
-
- err = pci_register_driver(&c4_pci_driver);
- if (!err) {
- strlcpy(capi_driver_c2.revision, rev, 32);
- register_capi_driver(&capi_driver_c2);
- strlcpy(capi_driver_c4.revision, rev, 32);
- register_capi_driver(&capi_driver_c4);
- printk(KERN_INFO "c4: revision %s\n", rev);
- }
- return err;
-}
-
-static void __exit c4_exit(void)
-{
- unregister_capi_driver(&capi_driver_c2);
- unregister_capi_driver(&capi_driver_c4);
- pci_unregister_driver(&c4_pci_driver);
-}
-
-module_init(c4_init);
-module_exit(c4_exit);