diff options
Diffstat (limited to 'drivers/staging/isdn/avm/c4.c')
| -rw-r--r-- | drivers/staging/isdn/avm/c4.c | 1317 |
1 files changed, 0 insertions, 1317 deletions
diff --git a/drivers/staging/isdn/avm/c4.c b/drivers/staging/isdn/avm/c4.c deleted file mode 100644 index ac72cd204c4d..000000000000 --- a/drivers/staging/isdn/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(¶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, -}; - -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); |