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OpenCloudOS-Kernel/drivers/isdn/hysdn/hycapi.c

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/* $Id: hycapi.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $
*
* Linux driver for HYSDN cards, CAPI2.0-Interface.
*
* Author Ulrich Albrecht <u.albrecht@hypercope.de> for Hypercope GmbH
* Copyright 2000 by Hypercope GmbH
*
* 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/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/signal.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/slab.h>
#define VER_DRIVER 0
#define VER_CARDTYPE 1
#define VER_HWID 2
#define VER_SERIAL 3
#define VER_OPTION 4
#define VER_PROTO 5
#define VER_PROFILE 6
#define VER_CAPI 7
#include "hysdn_defs.h"
#include <linux/kernelcapi.h>
static char hycapi_revision[] = "$Revision: 1.8.6.4 $";
unsigned int hycapi_enable = 0xffffffff;
module_param(hycapi_enable, uint, 0);
typedef struct _hycapi_appl {
unsigned int ctrl_mask;
capi_register_params rp;
struct sk_buff *listen_req[CAPI_MAXCONTR];
} hycapi_appl;
static hycapi_appl hycapi_applications[CAPI_MAXAPPL];
static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
static inline int _hycapi_appCheck(int app_id, int ctrl_no)
{
if ((ctrl_no <= 0) || (ctrl_no > CAPI_MAXCONTR) || (app_id <= 0) ||
(app_id > CAPI_MAXAPPL))
{
printk(KERN_ERR "HYCAPI: Invalid request app_id %d for controller %d", app_id, ctrl_no);
return -1;
}
return ((hycapi_applications[app_id - 1].ctrl_mask & (1 << (ctrl_no-1))) != 0);
}
/******************************
Kernel-Capi callback reset_ctr
******************************/
static void
hycapi_reset_ctr(struct capi_ctr *ctrl)
{
hycapictrl_info *cinfo = ctrl->driverdata;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n");
#endif
capilib_release(&cinfo->ncci_head);
capi_ctr_down(ctrl);
}
/******************************
Kernel-Capi callback remove_ctr
******************************/
static void
hycapi_remove_ctr(struct capi_ctr *ctrl)
{
int i;
hycapictrl_info *cinfo = NULL;
hysdn_card *card = NULL;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "HYCAPI hycapi_remove_ctr\n");
#endif
cinfo = (hycapictrl_info *)(ctrl->driverdata);
if (!cinfo) {
printk(KERN_ERR "No hycapictrl_info set!");
return;
}
card = cinfo->card;
capi_ctr_suspend_output(ctrl);
for (i = 0; i < CAPI_MAXAPPL; i++) {
if (hycapi_applications[i].listen_req[ctrl->cnr - 1]) {
kfree_skb(hycapi_applications[i].listen_req[ctrl->cnr - 1]);
hycapi_applications[i].listen_req[ctrl->cnr - 1] = NULL;
}
}
detach_capi_ctr(ctrl);
ctrl->driverdata = NULL;
kfree(card->hyctrlinfo);
card->hyctrlinfo = NULL;
}
/***********************************************************
Queue a CAPI-message to the controller.
***********************************************************/
static void
hycapi_sendmsg_internal(struct capi_ctr *ctrl, struct sk_buff *skb)
{
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
hysdn_card *card = cinfo->card;
spin_lock_irq(&cinfo->lock);
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_send_message\n");
#endif
cinfo->skbs[cinfo->in_idx++] = skb; /* add to buffer list */
if (cinfo->in_idx >= HYSDN_MAX_CAPI_SKB)
cinfo->in_idx = 0; /* wrap around */
cinfo->sk_count++; /* adjust counter */
if (cinfo->sk_count >= HYSDN_MAX_CAPI_SKB) {
/* inform upper layers we're full */
printk(KERN_ERR "HYSDN Card%d: CAPI-buffer overrun!\n",
card->myid);
capi_ctr_suspend_output(ctrl);
}
cinfo->tx_skb = skb;
spin_unlock_irq(&cinfo->lock);
schedule_work(&card->irq_queue);
}
/***********************************************************
hycapi_register_internal
Send down the CAPI_REGISTER-Command to the controller.
This functions will also be used if the adapter has been rebooted to
re-register any applications in the private list.
************************************************************/
static void
hycapi_register_internal(struct capi_ctr *ctrl, __u16 appl,
capi_register_params *rp)
{
char ExtFeatureDefaults[] = "49 /0/0/0/0,*/1,*/2,*/3,*/4,*/5,*/6,*/7,*/8,*/9,*";
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
hysdn_card *card = cinfo->card;
struct sk_buff *skb;
__u16 len;
__u8 _command = 0xa0, _subcommand = 0x80;
__u16 MessageNumber = 0x0000;
__u16 MessageBufferSize = 0;
int slen = strlen(ExtFeatureDefaults);
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_register_appl\n");
#endif
MessageBufferSize = rp->level3cnt * rp->datablkcnt * rp->datablklen;
len = CAPI_MSG_BASELEN + 8 + slen + 1;
if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
card->myid);
return;
}
skb_put_data(skb, &len, sizeof(__u16));
skb_put_data(skb, &appl, sizeof(__u16));
skb_put_data(skb, &_command, sizeof(__u8));
skb_put_data(skb, &_subcommand, sizeof(__u8));
skb_put_data(skb, &MessageNumber, sizeof(__u16));
skb_put_data(skb, &MessageBufferSize, sizeof(__u16));
skb_put_data(skb, &(rp->level3cnt), sizeof(__u16));
skb_put_data(skb, &(rp->datablkcnt), sizeof(__u16));
skb_put_data(skb, &(rp->datablklen), sizeof(__u16));
skb_put_data(skb, ExtFeatureDefaults, slen);
hycapi_applications[appl - 1].ctrl_mask |= (1 << (ctrl->cnr - 1));
hycapi_send_message(ctrl, skb);
}
/************************************************************
hycapi_restart_internal
After an adapter has been rebootet, re-register all applications and
send a LISTEN_REQ (if there has been such a thing )
*************************************************************/
static void hycapi_restart_internal(struct capi_ctr *ctrl)
{
int i;
struct sk_buff *skb;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_WARNING "HYSDN: hycapi_restart_internal");
#endif
for (i = 0; i < CAPI_MAXAPPL; i++) {
if (_hycapi_appCheck(i + 1, ctrl->cnr) == 1) {
hycapi_register_internal(ctrl, i + 1,
&hycapi_applications[i].rp);
if (hycapi_applications[i].listen_req[ctrl->cnr - 1]) {
skb = skb_copy(hycapi_applications[i].listen_req[ctrl->cnr - 1], GFP_ATOMIC);
hycapi_sendmsg_internal(ctrl, skb);
}
}
}
}
/*************************************************************
Register an application.
Error-checking is done for CAPI-compliance.
The application is recorded in the internal list.
*************************************************************/
static void
hycapi_register_appl(struct capi_ctr *ctrl, __u16 appl,
capi_register_params *rp)
{
int MaxLogicalConnections = 0, MaxBDataBlocks = 0, MaxBDataLen = 0;
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
hysdn_card *card = cinfo->card;
int chk = _hycapi_appCheck(appl, ctrl->cnr);
if (chk < 0) {
return;
}
if (chk == 1) {
printk(KERN_INFO "HYSDN: apl %d already registered\n", appl);
return;
}
MaxBDataBlocks = rp->datablkcnt > CAPI_MAXDATAWINDOW ? CAPI_MAXDATAWINDOW : rp->datablkcnt;
rp->datablkcnt = MaxBDataBlocks;
MaxBDataLen = rp->datablklen < 1024 ? 1024 : rp->datablklen;
rp->datablklen = MaxBDataLen;
MaxLogicalConnections = rp->level3cnt;
if (MaxLogicalConnections < 0) {
MaxLogicalConnections = card->bchans * -MaxLogicalConnections;
}
if (MaxLogicalConnections == 0) {
MaxLogicalConnections = card->bchans;
}
rp->level3cnt = MaxLogicalConnections;
memcpy(&hycapi_applications[appl - 1].rp,
rp, sizeof(capi_register_params));
}
/*********************************************************************
hycapi_release_internal
Send down a CAPI_RELEASE to the controller.
*********************************************************************/
static void hycapi_release_internal(struct capi_ctr *ctrl, __u16 appl)
{
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
hysdn_card *card = cinfo->card;
struct sk_buff *skb;
__u16 len;
__u8 _command = 0xa1, _subcommand = 0x80;
__u16 MessageNumber = 0x0000;
capilib_release_appl(&cinfo->ncci_head, appl);
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_release_appl\n");
#endif
len = CAPI_MSG_BASELEN;
if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
card->myid);
return;
}
skb_put_data(skb, &len, sizeof(__u16));
skb_put_data(skb, &appl, sizeof(__u16));
skb_put_data(skb, &_command, sizeof(__u8));
skb_put_data(skb, &_subcommand, sizeof(__u8));
skb_put_data(skb, &MessageNumber, sizeof(__u16));
hycapi_send_message(ctrl, skb);
hycapi_applications[appl - 1].ctrl_mask &= ~(1 << (ctrl->cnr - 1));
}
/******************************************************************
hycapi_release_appl
Release the application from the internal list an remove it's
registration at controller-level
******************************************************************/
static void
hycapi_release_appl(struct capi_ctr *ctrl, __u16 appl)
{
int chk;
chk = _hycapi_appCheck(appl, ctrl->cnr);
if (chk < 0) {
printk(KERN_ERR "HYCAPI: Releasing invalid appl %d on controller %d\n", appl, ctrl->cnr);
return;
}
if (hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1]) {
kfree_skb(hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1]);
hycapi_applications[appl - 1].listen_req[ctrl->cnr - 1] = NULL;
}
if (chk == 1)
{
hycapi_release_internal(ctrl, appl);
}
}
/**************************************************************
Kill a single controller.
**************************************************************/
int hycapi_capi_release(hysdn_card *card)
{
hycapictrl_info *cinfo = card->hyctrlinfo;
struct capi_ctr *ctrl;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_capi_release\n");
#endif
if (cinfo) {
ctrl = &cinfo->capi_ctrl;
hycapi_remove_ctr(ctrl);
}
return 0;
}
/**************************************************************
hycapi_capi_stop
Stop CAPI-Output on a card. (e.g. during reboot)
***************************************************************/
int hycapi_capi_stop(hysdn_card *card)
{
hycapictrl_info *cinfo = card->hyctrlinfo;
struct capi_ctr *ctrl;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_capi_stop\n");
#endif
if (cinfo) {
ctrl = &cinfo->capi_ctrl;
/* ctrl->suspend_output(ctrl); */
capi_ctr_down(ctrl);
}
return 0;
}
/***************************************************************
hycapi_send_message
Send a message to the controller.
Messages are parsed for their Command/Subcommand-type, and appropriate
action's are performed.
Note that we have to muck around with a 64Bit-DATA_REQ as there are
firmware-releases that do not check the MsgLen-Indication!
***************************************************************/
static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
{
__u16 appl_id;
int _len, _len2;
__u8 msghead[64];
hycapictrl_info *cinfo = ctrl->driverdata;
u16 retval = CAPI_NOERROR;
appl_id = CAPIMSG_APPID(skb->data);
switch (_hycapi_appCheck(appl_id, ctrl->cnr))
{
case 0:
/* printk(KERN_INFO "Need to register\n"); */
hycapi_register_internal(ctrl,
appl_id,
&(hycapi_applications[appl_id - 1].rp));
break;
case 1:
break;
default:
printk(KERN_ERR "HYCAPI: Controller mixup!\n");
retval = CAPI_ILLAPPNR;
goto out;
}
switch (CAPIMSG_CMD(skb->data)) {
case CAPI_DISCONNECT_B3_RESP:
capilib_free_ncci(&cinfo->ncci_head, appl_id,
CAPIMSG_NCCI(skb->data));
break;
case CAPI_DATA_B3_REQ:
_len = CAPIMSG_LEN(skb->data);
if (_len > 22) {
_len2 = _len - 22;
skb_copy_from_linear_data(skb, msghead, 22);
skb_copy_to_linear_data_offset(skb, _len2,
msghead, 22);
skb_pull(skb, _len2);
CAPIMSG_SETLEN(skb->data, 22);
retval = capilib_data_b3_req(&cinfo->ncci_head,
CAPIMSG_APPID(skb->data),
CAPIMSG_NCCI(skb->data),
CAPIMSG_MSGID(skb->data));
}
break;
case CAPI_LISTEN_REQ:
if (hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1])
{
kfree_skb(hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1]);
hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1] = NULL;
}
if (!(hycapi_applications[appl_id -1].listen_req[ctrl->cnr - 1] = skb_copy(skb, GFP_ATOMIC)))
{
printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n");
}
break;
default:
break;
}
out:
if (retval == CAPI_NOERROR)
hycapi_sendmsg_internal(ctrl, skb);
else
dev_kfree_skb_any(skb);
return retval;
}
static int hycapi_proc_show(struct seq_file *m, void *v)
{
struct capi_ctr *ctrl = m->private;
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
hysdn_card *card = cinfo->card;
char *s;
seq_printf(m, "%-16s %s\n", "name", cinfo->cardname);
seq_printf(m, "%-16s 0x%x\n", "io", card->iobase);
seq_printf(m, "%-16s %d\n", "irq", card->irq);
switch (card->brdtype) {
case BD_PCCARD: s = "HYSDN Hycard"; break;
case BD_ERGO: s = "HYSDN Ergo2"; break;
case BD_METRO: s = "HYSDN Metro4"; break;
case BD_CHAMP2: s = "HYSDN Champ2"; break;
case BD_PLEXUS: s = "HYSDN Plexus30"; 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);
seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
return 0;
}
/**************************************************************
hycapi_load_firmware
This does NOT load any firmware, but the callback somehow is needed
on capi-interface registration.
**************************************************************/
static int hycapi_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
{
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_load_firmware\n");
#endif
return 0;
}
static char *hycapi_procinfo(struct capi_ctr *ctrl)
{
hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "%s\n", __func__);
#endif
if (!cinfo)
return "";
sprintf(cinfo->infobuf, "%s %s 0x%x %d %s",
cinfo->cardname[0] ? cinfo->cardname : "-",
cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
cinfo->card ? cinfo->card->iobase : 0x0,
cinfo->card ? cinfo->card->irq : 0,
hycapi_revision
);
return cinfo->infobuf;
}
/******************************************************************
hycapi_rx_capipkt
Receive a capi-message.
All B3_DATA_IND are converted to 64K-extension compatible format.
New nccis are created if necessary.
*******************************************************************/
void
hycapi_rx_capipkt(hysdn_card *card, unsigned char *buf, unsigned short len)
{
struct sk_buff *skb;
hycapictrl_info *cinfo = card->hyctrlinfo;
struct capi_ctr *ctrl;
__u16 ApplId;
__u16 MsgLen, info;
__u16 len2, CapiCmd;
__u32 CP64[2] = {0, 0};
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_rx_capipkt\n");
#endif
if (!cinfo) {
return;
}
ctrl = &cinfo->capi_ctrl;
if (len < CAPI_MSG_BASELEN) {
printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n",
card->myid, len);
return;
}
MsgLen = CAPIMSG_LEN(buf);
ApplId = CAPIMSG_APPID(buf);
CapiCmd = CAPIMSG_CMD(buf);
if ((CapiCmd == CAPI_DATA_B3_IND) && (MsgLen < 30)) {
len2 = len + (30 - MsgLen);
if (!(skb = alloc_skb(len2, GFP_ATOMIC))) {
printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
card->myid);
return;
}
skb_put_data(skb, buf, MsgLen);
skb_put_data(skb, CP64, 2 * sizeof(__u32));
skb_put_data(skb, buf + MsgLen, len - MsgLen);
CAPIMSG_SETLEN(skb->data, 30);
} else {
if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
card->myid);
return;
}
skb_put_data(skb, buf, len);
}
switch (CAPIMSG_CMD(skb->data))
{
case CAPI_CONNECT_B3_CONF:
/* Check info-field for error-indication: */
info = CAPIMSG_U16(skb->data, 12);
switch (info)
{
case 0:
capilib_new_ncci(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data),
hycapi_applications[ApplId - 1].rp.datablkcnt);
break;
case 0x0001:
printk(KERN_ERR "HYSDN Card%d: NCPI not supported by current "
"protocol. NCPI ignored.\n", card->myid);
break;
case 0x2001:
printk(KERN_ERR "HYSDN Card%d: Message not supported in"
" current state\n", card->myid);
break;
case 0x2002:
printk(KERN_ERR "HYSDN Card%d: invalid PLCI\n", card->myid);
break;
case 0x2004:
printk(KERN_ERR "HYSDN Card%d: out of NCCI\n", card->myid);
break;
case 0x3008:
printk(KERN_ERR "HYSDN Card%d: NCPI not supported\n",
card->myid);
break;
default:
printk(KERN_ERR "HYSDN Card%d: Info in CONNECT_B3_CONF: %d\n",
card->myid, info);
break;
}
break;
case CAPI_CONNECT_B3_IND:
capilib_new_ncci(&cinfo->ncci_head, ApplId,
CAPIMSG_NCCI(skb->data),
hycapi_applications[ApplId - 1].rp.datablkcnt);
break;
case CAPI_DATA_B3_CONF:
capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
CAPIMSG_NCCI(skb->data),
CAPIMSG_MSGID(skb->data));
break;
default:
break;
}
capi_ctr_handle_message(ctrl, ApplId, skb);
}
/******************************************************************
hycapi_tx_capiack
Internally acknowledge a msg sent. This will remove the msg from the
internal queue.
*******************************************************************/
void hycapi_tx_capiack(hysdn_card *card)
{
hycapictrl_info *cinfo = card->hyctrlinfo;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_tx_capiack\n");
#endif
if (!cinfo) {
return;
}
spin_lock_irq(&cinfo->lock);
kfree_skb(cinfo->skbs[cinfo->out_idx]); /* free skb */
cinfo->skbs[cinfo->out_idx++] = NULL;
if (cinfo->out_idx >= HYSDN_MAX_CAPI_SKB)
cinfo->out_idx = 0; /* wrap around */
if (cinfo->sk_count-- == HYSDN_MAX_CAPI_SKB) /* dec usage count */
capi_ctr_resume_output(&cinfo->capi_ctrl);
spin_unlock_irq(&cinfo->lock);
}
/***************************************************************
hycapi_tx_capiget(hysdn_card *card)
This is called when polling for messages to SEND.
****************************************************************/
struct sk_buff *
hycapi_tx_capiget(hysdn_card *card)
{
hycapictrl_info *cinfo = card->hyctrlinfo;
if (!cinfo) {
return (struct sk_buff *)NULL;
}
if (!cinfo->sk_count)
return (struct sk_buff *)NULL; /* nothing available */
return (cinfo->skbs[cinfo->out_idx]); /* next packet to send */
}
/**********************************************************
int hycapi_init()
attach the capi-driver to the kernel-capi.
***********************************************************/
int hycapi_init(void)
{
int i;
for (i = 0; i < CAPI_MAXAPPL; i++) {
memset(&(hycapi_applications[i]), 0, sizeof(hycapi_appl));
}
return (0);
}
/**************************************************************
hycapi_cleanup(void)
detach the capi-driver to the kernel-capi. Actually this should
free some more ressources. Do that later.
**************************************************************/
void
hycapi_cleanup(void)
{
}
/********************************************************************
hycapi_capi_create(hysdn_card *card)
Attach the card with its capi-ctrl.
*********************************************************************/
static void hycapi_fill_profile(hysdn_card *card)
{
hycapictrl_info *cinfo = NULL;
struct capi_ctr *ctrl = NULL;
cinfo = card->hyctrlinfo;
if (!cinfo) return;
ctrl = &cinfo->capi_ctrl;
strcpy(ctrl->manu, "Hypercope");
ctrl->version.majorversion = 2;
ctrl->version.minorversion = 0;
ctrl->version.majormanuversion = 3;
ctrl->version.minormanuversion = 2;
ctrl->profile.ncontroller = card->myid;
ctrl->profile.nbchannel = card->bchans;
ctrl->profile.goptions = GLOBAL_OPTION_INTERNAL_CONTROLLER |
GLOBAL_OPTION_B_CHANNEL_OPERATION;
ctrl->profile.support1 = B1_PROT_64KBIT_HDLC |
(card->faxchans ? B1_PROT_T30 : 0) |
B1_PROT_64KBIT_TRANSPARENT;
ctrl->profile.support2 = B2_PROT_ISO7776 |
(card->faxchans ? B2_PROT_T30 : 0) |
B2_PROT_TRANSPARENT;
ctrl->profile.support3 = B3_PROT_TRANSPARENT |
B3_PROT_T90NL |
(card->faxchans ? B3_PROT_T30 : 0) |
(card->faxchans ? B3_PROT_T30EXT : 0) |
B3_PROT_ISO8208;
}
int
hycapi_capi_create(hysdn_card *card)
{
hycapictrl_info *cinfo = NULL;
struct capi_ctr *ctrl = NULL;
int retval;
#ifdef HYCAPI_PRINTFNAMES
printk(KERN_NOTICE "hycapi_capi_create\n");
#endif
if ((hycapi_enable & (1 << card->myid)) == 0) {
return 1;
}
if (!card->hyctrlinfo) {
cinfo = kzalloc(sizeof(hycapictrl_info), GFP_ATOMIC);
if (!cinfo) {
printk(KERN_WARNING "HYSDN: no memory for capi-ctrl.\n");
return -ENOMEM;
}
card->hyctrlinfo = cinfo;
cinfo->card = card;
spin_lock_init(&cinfo->lock);
INIT_LIST_HEAD(&cinfo->ncci_head);
switch (card->brdtype) {
case BD_PCCARD: strcpy(cinfo->cardname, "HYSDN Hycard"); break;
case BD_ERGO: strcpy(cinfo->cardname, "HYSDN Ergo2"); break;
case BD_METRO: strcpy(cinfo->cardname, "HYSDN Metro4"); break;
case BD_CHAMP2: strcpy(cinfo->cardname, "HYSDN Champ2"); break;
case BD_PLEXUS: strcpy(cinfo->cardname, "HYSDN Plexus30"); break;
default: strcpy(cinfo->cardname, "HYSDN ???"); break;
}
ctrl = &cinfo->capi_ctrl;
ctrl->driver_name = "hycapi";
ctrl->driverdata = cinfo;
ctrl->register_appl = hycapi_register_appl;
ctrl->release_appl = hycapi_release_appl;
ctrl->send_message = hycapi_send_message;
ctrl->load_firmware = hycapi_load_firmware;
ctrl->reset_ctr = hycapi_reset_ctr;
ctrl->procinfo = hycapi_procinfo;
ctrl->proc_show = hycapi_proc_show;
strcpy(ctrl->name, cinfo->cardname);
ctrl->owner = THIS_MODULE;
retval = attach_capi_ctr(ctrl);
if (retval) {
printk(KERN_ERR "hycapi: attach controller failed.\n");
return -EBUSY;
}
/* fill in the blanks: */
hycapi_fill_profile(card);
capi_ctr_ready(ctrl);
} else {
/* resume output on stopped ctrl */
ctrl = &card->hyctrlinfo->capi_ctrl;
hycapi_fill_profile(card);
capi_ctr_ready(ctrl);
hycapi_restart_internal(ctrl);
/* ctrl->resume_output(ctrl); */
}
return 0;
}
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