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path: root/drivers/isdn/mISDN/dsp_cmx.c
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Diffstat (limited to 'drivers/isdn/mISDN/dsp_cmx.c')
-rw-r--r--drivers/isdn/mISDN/dsp_cmx.c1040
1 files changed, 519 insertions, 521 deletions
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index 4d395dea32f3..334feab060a1 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -165,8 +165,8 @@ dsp_cmx_debug(struct dsp *dsp)
printk(KERN_DEBUG "-----Current DSP\n");
list_for_each_entry(odsp, &dsp_ilist, list) {
printk(KERN_DEBUG "* %s hardecho=%d softecho=%d txmix=%d",
- odsp->name, odsp->echo.hardware, odsp->echo.software,
- odsp->tx_mix);
+ odsp->name, odsp->echo.hardware, odsp->echo.software,
+ odsp->tx_mix);
if (odsp->conf)
printk(" (Conf %d)", odsp->conf->id);
if (dsp == odsp)
@@ -178,14 +178,14 @@ dsp_cmx_debug(struct dsp *dsp)
printk(KERN_DEBUG "* Conf %d (%p)\n", conf->id, conf);
list_for_each_entry(member, &conf->mlist, list) {
printk(KERN_DEBUG
- " - member = %s (slot_tx %d, bank_tx %d, "
- "slot_rx %d, bank_rx %d hfc_conf %d "
- "tx_data %d rx_is_off %d)%s\n",
- member->dsp->name, member->dsp->pcm_slot_tx,
- member->dsp->pcm_bank_tx, member->dsp->pcm_slot_rx,
- member->dsp->pcm_bank_rx, member->dsp->hfc_conf,
- member->dsp->tx_data, member->dsp->rx_is_off,
- (member->dsp == dsp) ? " *this*" : "");
+ " - member = %s (slot_tx %d, bank_tx %d, "
+ "slot_rx %d, bank_rx %d hfc_conf %d "
+ "tx_data %d rx_is_off %d)%s\n",
+ member->dsp->name, member->dsp->pcm_slot_tx,
+ member->dsp->pcm_bank_tx, member->dsp->pcm_slot_rx,
+ member->dsp->pcm_bank_rx, member->dsp->hfc_conf,
+ member->dsp->tx_data, member->dsp->rx_is_off,
+ (member->dsp == dsp) ? " *this*" : "");
}
}
printk(KERN_DEBUG "-----end\n");
@@ -227,13 +227,13 @@ dsp_cmx_add_conf_member(struct dsp *dsp, struct dsp_conf *conf)
}
if (dsp->member) {
printk(KERN_WARNING "%s: dsp is already member in a conf.\n",
- __func__);
+ __func__);
return -EINVAL;
}
if (dsp->conf) {
printk(KERN_WARNING "%s: dsp is already in a conf.\n",
- __func__);
+ __func__);
return -EINVAL;
}
@@ -268,19 +268,19 @@ dsp_cmx_del_conf_member(struct dsp *dsp)
if (!dsp) {
printk(KERN_WARNING "%s: dsp is 0.\n",
- __func__);
+ __func__);
return -EINVAL;
}
if (!dsp->conf) {
printk(KERN_WARNING "%s: dsp is not in a conf.\n",
- __func__);
+ __func__);
return -EINVAL;
}
if (list_empty(&dsp->conf->mlist)) {
printk(KERN_WARNING "%s: dsp has linked an empty conf.\n",
- __func__);
+ __func__);
return -EINVAL;
}
@@ -295,8 +295,8 @@ dsp_cmx_del_conf_member(struct dsp *dsp)
}
}
printk(KERN_WARNING
- "%s: dsp is not present in its own conf_meber list.\n",
- __func__);
+ "%s: dsp is not present in its own conf_meber list.\n",
+ __func__);
return -EINVAL;
}
@@ -312,7 +312,7 @@ static struct dsp_conf
if (!id) {
printk(KERN_WARNING "%s: id is 0.\n",
- __func__);
+ __func__);
return NULL;
}
@@ -338,13 +338,13 @@ dsp_cmx_del_conf(struct dsp_conf *conf)
{
if (!conf) {
printk(KERN_WARNING "%s: conf is null.\n",
- __func__);
+ __func__);
return -EINVAL;
}
if (!list_empty(&conf->mlist)) {
printk(KERN_WARNING "%s: conf not empty.\n",
- __func__);
+ __func__);
return -EINVAL;
}
list_del(&conf->list);
@@ -359,7 +359,7 @@ dsp_cmx_del_conf(struct dsp_conf *conf)
*/
static void
dsp_cmx_hw_message(struct dsp *dsp, u32 message, u32 param1, u32 param2,
- u32 param3, u32 param4)
+ u32 param3, u32 param4)
{
struct mISDN_ctrl_req cq;
@@ -389,7 +389,7 @@ dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp)
int freeunits[8];
u_char freeslots[256];
int same_hfc = -1, same_pcm = -1, current_conf = -1,
- all_conf = 1, tx_data = 0;
+ all_conf = 1, tx_data = 0;
/* dsp gets updated (no conf) */
if (!conf) {
@@ -397,17 +397,17 @@ dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp)
return;
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "%s checking dsp %s\n",
- __func__, dsp->name);
-one_member:
+ __func__, dsp->name);
+ one_member:
/* remove HFC conference if enabled */
if (dsp->hfc_conf >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s removing %s from HFC conf %d "
- "because dsp is split\n", __func__,
- dsp->name, dsp->hfc_conf);
+ "%s removing %s from HFC conf %d "
+ "because dsp is split\n", __func__,
+ dsp->name, dsp->hfc_conf);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_CONF_SPLIT,
- 0, 0, 0, 0);
+ 0, 0, 0, 0);
dsp->hfc_conf = -1;
}
/* process hw echo */
@@ -418,12 +418,12 @@ one_member:
if (dsp->pcm_slot_tx >= 0 || dsp->pcm_slot_rx >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "%s removing %s from"
- " PCM slot %d (TX) %d (RX) because"
- " dsp is split (no echo)\n",
- __func__, dsp->name,
- dsp->pcm_slot_tx, dsp->pcm_slot_rx);
+ " PCM slot %d (TX) %d (RX) because"
+ " dsp is split (no echo)\n",
+ __func__, dsp->name,
+ dsp->pcm_slot_tx, dsp->pcm_slot_rx);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_DISC,
- 0, 0, 0, 0);
+ 0, 0, 0, 0);
dsp->pcm_slot_tx = -1;
dsp->pcm_bank_tx = -1;
dsp->pcm_slot_rx = -1;
@@ -447,11 +447,11 @@ one_member:
dsp->pcm_bank_rx = 2;
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s refresh %s for echo using slot %d\n",
- __func__, dsp->name,
- dsp->pcm_slot_tx);
+ "%s refresh %s for echo using slot %d\n",
+ __func__, dsp->name,
+ dsp->pcm_slot_tx);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
- dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+ dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
dsp->echo.hardware = 1;
return;
}
@@ -479,8 +479,8 @@ one_member:
if (i == ii) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s no slot available for echo\n",
- __func__);
+ "%s no slot available for echo\n",
+ __func__);
/* no more slots available */
dsp->echo.software = 1;
return;
@@ -492,10 +492,10 @@ one_member:
dsp->pcm_bank_rx = 2;
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s assign echo for %s using slot %d\n",
- __func__, dsp->name, dsp->pcm_slot_tx);
+ "%s assign echo for %s using slot %d\n",
+ __func__, dsp->name, dsp->pcm_slot_tx);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
- dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+ dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
dsp->echo.hardware = 1;
return;
}
@@ -503,11 +503,11 @@ one_member:
/* conf gets updated (all members) */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "%s checking conference %d\n",
- __func__, conf->id);
+ __func__, conf->id);
if (list_empty(&conf->mlist)) {
printk(KERN_ERR "%s: conference whithout members\n",
- __func__);
+ __func__);
return;
}
member = list_entry(conf->mlist.next, struct dsp_conf_member, list);
@@ -519,25 +519,25 @@ one_member:
if (member->dsp->tx_mix) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "tx_mix is turned on\n", __func__,
- member->dsp->name);
-conf_software:
+ "%s dsp %s cannot form a conf, because "
+ "tx_mix is turned on\n", __func__,
+ member->dsp->name);
+ conf_software:
list_for_each_entry(member, &conf->mlist, list) {
dsp = member->dsp;
/* remove HFC conference if enabled */
if (dsp->hfc_conf >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s removing %s from HFC "
- "conf %d because not "
- "possible with hardware\n",
- __func__,
- dsp->name,
- dsp->hfc_conf);
+ "%s removing %s from HFC "
+ "conf %d because not "
+ "possible with hardware\n",
+ __func__,
+ dsp->name,
+ dsp->hfc_conf);
dsp_cmx_hw_message(dsp,
- MISDN_CTRL_HFC_CONF_SPLIT,
- 0, 0, 0, 0);
+ MISDN_CTRL_HFC_CONF_SPLIT,
+ 0, 0, 0, 0);
dsp->hfc_conf = -1;
}
/* remove PCM slot if assigned */
@@ -545,16 +545,16 @@ conf_software:
dsp->pcm_slot_rx >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "%s removing "
- "%s from PCM slot %d (TX)"
- " slot %d (RX) because not"
- " possible with hardware\n",
- __func__,
- dsp->name,
- dsp->pcm_slot_tx,
- dsp->pcm_slot_rx);
+ "%s from PCM slot %d (TX)"
+ " slot %d (RX) because not"
+ " possible with hardware\n",
+ __func__,
+ dsp->name,
+ dsp->pcm_slot_tx,
+ dsp->pcm_slot_rx);
dsp_cmx_hw_message(dsp,
- MISDN_CTRL_HFC_PCM_DISC,
- 0, 0, 0, 0);
+ MISDN_CTRL_HFC_PCM_DISC,
+ 0, 0, 0, 0);
dsp->pcm_slot_tx = -1;
dsp->pcm_bank_tx = -1;
dsp->pcm_slot_rx = -1;
@@ -569,79 +569,79 @@ conf_software:
if (member->dsp->echo.hardware || member->dsp->echo.software) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "echo is turned on\n", __func__,
- member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "echo is turned on\n", __func__,
+ member->dsp->name);
goto conf_software;
}
/* check if member has tx_mix turned on */
if (member->dsp->tx_mix) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "tx_mix is turned on\n",
- __func__, member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "tx_mix is turned on\n",
+ __func__, member->dsp->name);
goto conf_software;
}
/* check if member changes volume at an not suppoted level */
if (member->dsp->tx_volume) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "tx_volume is changed\n",
- __func__, member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "tx_volume is changed\n",
+ __func__, member->dsp->name);
goto conf_software;
}
if (member->dsp->rx_volume) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "rx_volume is changed\n",
- __func__, member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "rx_volume is changed\n",
+ __func__, member->dsp->name);
goto conf_software;
}
/* check if tx-data turned on */
if (member->dsp->tx_data) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s tx_data is turned on\n",
- __func__, member->dsp->name);
+ "%s dsp %s tx_data is turned on\n",
+ __func__, member->dsp->name);
tx_data = 1;
}
/* check if pipeline exists */
if (member->dsp->pipeline.inuse) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "pipeline exists\n", __func__,
- member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "pipeline exists\n", __func__,
+ member->dsp->name);
goto conf_software;
}
/* check if encryption is enabled */
if (member->dsp->bf_enable) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "%s dsp %s cannot form a "
- "conf, because encryption is enabled\n",
- __func__, member->dsp->name);
+ "conf, because encryption is enabled\n",
+ __func__, member->dsp->name);
goto conf_software;
}
/* check if member is on a card with PCM support */
if (member->dsp->features.pcm_id < 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "dsp has no PCM bus\n",
- __func__, member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "dsp has no PCM bus\n",
+ __func__, member->dsp->name);
goto conf_software;
}
/* check if relations are on the same PCM bus */
if (member->dsp->features.pcm_id != same_pcm) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "dsp is on a different PCM bus than the "
- "first dsp\n",
- __func__, member->dsp->name);
+ "%s dsp %s cannot form a conf, because "
+ "dsp is on a different PCM bus than the "
+ "first dsp\n",
+ __func__, member->dsp->name);
goto conf_software;
}
/* determine if members are on the same hfc chip */
@@ -665,12 +665,12 @@ conf_software:
if (memb == 1) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s conf %d cannot form a HW conference, "
- "because dsp is alone\n", __func__, conf->id);
+ "%s conf %d cannot form a HW conference, "
+ "because dsp is alone\n", __func__, conf->id);
conf->hardware = 0;
conf->software = 0;
member = list_entry(conf->mlist.next, struct dsp_conf_member,
- list);
+ list);
dsp = member->dsp;
goto one_member;
}
@@ -684,30 +684,30 @@ conf_software:
/* if we have only two members */
if (memb == 2) {
member = list_entry(conf->mlist.next, struct dsp_conf_member,
- list);
+ list);
nextm = list_entry(member->list.next, struct dsp_conf_member,
- list);
+ list);
/* remove HFC conference if enabled */
if (member->dsp->hfc_conf >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s removing %s from HFC conf %d because "
- "two parties require only a PCM slot\n",
- __func__, member->dsp->name,
- member->dsp->hfc_conf);
+ "%s removing %s from HFC conf %d because "
+ "two parties require only a PCM slot\n",
+ __func__, member->dsp->name,
+ member->dsp->hfc_conf);
dsp_cmx_hw_message(member->dsp,
- MISDN_CTRL_HFC_CONF_SPLIT, 0, 0, 0, 0);
+ MISDN_CTRL_HFC_CONF_SPLIT, 0, 0, 0, 0);
member->dsp->hfc_conf = -1;
}
if (nextm->dsp->hfc_conf >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s removing %s from HFC conf %d because "
- "two parties require only a PCM slot\n",
- __func__, nextm->dsp->name,
- nextm->dsp->hfc_conf);
+ "%s removing %s from HFC conf %d because "
+ "two parties require only a PCM slot\n",
+ __func__, nextm->dsp->name,
+ nextm->dsp->hfc_conf);
dsp_cmx_hw_message(nextm->dsp,
- MISDN_CTRL_HFC_CONF_SPLIT, 0, 0, 0, 0);
+ MISDN_CTRL_HFC_CONF_SPLIT, 0, 0, 0, 0);
nextm->dsp->hfc_conf = -1;
}
/* if members have two banks (and not on the same chip) */
@@ -733,15 +733,15 @@ conf_software:
/* all members have same slot */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s & %s stay joined on "
- "PCM slot %d bank %d (TX) bank %d "
- "(RX) (on different chips)\n",
- __func__,
- member->dsp->name,
- nextm->dsp->name,
- member->dsp->pcm_slot_tx,
- member->dsp->pcm_bank_tx,
- member->dsp->pcm_bank_rx);
+ "%s dsp %s & %s stay joined on "
+ "PCM slot %d bank %d (TX) bank %d "
+ "(RX) (on different chips)\n",
+ __func__,
+ member->dsp->name,
+ nextm->dsp->name,
+ member->dsp->pcm_slot_tx,
+ member->dsp->pcm_bank_tx,
+ member->dsp->pcm_bank_rx);
conf->hardware = 0;
conf->software = 1;
return;
@@ -773,10 +773,10 @@ conf_software:
if (i == ii) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s no slot available for "
- "%s & %s\n", __func__,
- member->dsp->name,
- nextm->dsp->name);
+ "%s no slot available for "
+ "%s & %s\n", __func__,
+ member->dsp->name,
+ nextm->dsp->name);
/* no more slots available */
goto conf_software;
}
@@ -791,23 +791,23 @@ conf_software:
nextm->dsp->pcm_bank_tx = 0;
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s adding %s & %s to new PCM slot %d "
- "(TX and RX on different chips) because "
- "both members have not same slots\n",
- __func__,
- member->dsp->name,
- nextm->dsp->name,
- member->dsp->pcm_slot_tx);
+ "%s adding %s & %s to new PCM slot %d "
+ "(TX and RX on different chips) because "
+ "both members have not same slots\n",
+ __func__,
+ member->dsp->name,
+ nextm->dsp->name,
+ member->dsp->pcm_slot_tx);
dsp_cmx_hw_message(member->dsp, MISDN_CTRL_HFC_PCM_CONN,
- member->dsp->pcm_slot_tx, member->dsp->pcm_bank_tx,
- member->dsp->pcm_slot_rx, member->dsp->pcm_bank_rx);
+ member->dsp->pcm_slot_tx, member->dsp->pcm_bank_tx,
+ member->dsp->pcm_slot_rx, member->dsp->pcm_bank_rx);
dsp_cmx_hw_message(nextm->dsp, MISDN_CTRL_HFC_PCM_CONN,
- nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
- nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
+ nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
+ nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
conf->hardware = 1;
conf->software = tx_data;
return;
- /* if members have one bank (or on the same chip) */
+ /* if members have one bank (or on the same chip) */
} else {
/* if both members have different crossed slots */
if (member->dsp->pcm_slot_tx >= 0 &&
@@ -827,13 +827,13 @@ conf_software:
/* all members have same slot */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s & %s stay joined on PCM "
- "slot %d (TX) %d (RX) on same chip "
- "or one bank PCM)\n", __func__,
- member->dsp->name,
- nextm->dsp->name,
- member->dsp->pcm_slot_tx,
- member->dsp->pcm_slot_rx);
+ "%s dsp %s & %s stay joined on PCM "
+ "slot %d (TX) %d (RX) on same chip "
+ "or one bank PCM)\n", __func__,
+ member->dsp->name,
+ nextm->dsp->name,
+ member->dsp->pcm_slot_tx,
+ member->dsp->pcm_slot_rx);
conf->hardware = 0;
conf->software = 1;
return;
@@ -865,14 +865,14 @@ conf_software:
if (i1 == ii) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s no slot available "
- "for %s & %s\n", __func__,
- member->dsp->name,
- nextm->dsp->name);
+ "%s no slot available "
+ "for %s & %s\n", __func__,
+ member->dsp->name,
+ nextm->dsp->name);
/* no more slots available */
goto conf_software;
}
- i2 = i1+1;
+ i2 = i1 + 1;
while (i2 < ii) {
if (freeslots[i2])
break;
@@ -881,11 +881,11 @@ conf_software:
if (i2 == ii) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s no slot available "
- "for %s & %s\n",
- __func__,
- member->dsp->name,
- nextm->dsp->name);
+ "%s no slot available "
+ "for %s & %s\n",
+ __func__,
+ member->dsp->name,
+ nextm->dsp->name);
/* no more slots available */
goto conf_software;
}
@@ -900,20 +900,20 @@ conf_software:
nextm->dsp->pcm_bank_tx = 0;
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s adding %s & %s to new PCM slot %d "
- "(TX) %d (RX) on same chip or one bank "
- "PCM, because both members have not "
- "crossed slots\n", __func__,
- member->dsp->name,
- nextm->dsp->name,
- member->dsp->pcm_slot_tx,
- member->dsp->pcm_slot_rx);
+ "%s adding %s & %s to new PCM slot %d "
+ "(TX) %d (RX) on same chip or one bank "
+ "PCM, because both members have not "
+ "crossed slots\n", __func__,
+ member->dsp->name,
+ nextm->dsp->name,
+ member->dsp->pcm_slot_tx,
+ member->dsp->pcm_slot_rx);
dsp_cmx_hw_message(member->dsp, MISDN_CTRL_HFC_PCM_CONN,
- member->dsp->pcm_slot_tx, member->dsp->pcm_bank_tx,
- member->dsp->pcm_slot_rx, member->dsp->pcm_bank_rx);
+ member->dsp->pcm_slot_tx, member->dsp->pcm_bank_tx,
+ member->dsp->pcm_slot_rx, member->dsp->pcm_bank_rx);
dsp_cmx_hw_message(nextm->dsp, MISDN_CTRL_HFC_PCM_CONN,
- nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
- nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
+ nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
+ nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
conf->hardware = 1;
conf->software = tx_data;
return;
@@ -929,10 +929,10 @@ conf_software:
if (same_hfc < 0) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s conference %d cannot be formed, because "
- "members are on different chips or not "
- "on HFC chip\n",
- __func__, conf->id);
+ "%s conference %d cannot be formed, because "
+ "members are on different chips or not "
+ "on HFC chip\n",
+ __func__, conf->id);
goto conf_software;
}
@@ -946,7 +946,7 @@ conf_software:
* if there is an existing conference, but not all members have joined
*/
if (current_conf >= 0) {
-join_members:
+ join_members:
list_for_each_entry(member, &conf->mlist, list) {
/* if no conference engine on our chip, change to
* software */
@@ -966,10 +966,10 @@ join_members:
* slot will be overwritten.
*/
if (
- dsp != member->dsp &&
- /* dsp must be on the same PCM */
- member->dsp->features.pcm_id ==
- dsp->features.pcm_id) {
+ dsp != member->dsp &&
+ /* dsp must be on the same PCM */
+ member->dsp->features.pcm_id ==
+ dsp->features.pcm_id) {
/* dsp must be on a slot */
if (dsp->pcm_slot_tx >= 0 &&
dsp->pcm_slot_tx <
@@ -992,16 +992,16 @@ join_members:
/* no more slots available */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s conference %d cannot be formed,"
- " because no slot free\n",
- __func__, conf->id);
+ "%s conference %d cannot be formed,"
+ " because no slot free\n",
+ __func__, conf->id);
goto conf_software;
}
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s changing dsp %s to HW conference "
- "%d slot %d\n", __func__,
- member->dsp->name, current_conf, i);
+ "%s changing dsp %s to HW conference "
+ "%d slot %d\n", __func__,
+ member->dsp->name, current_conf, i);
/* assign free slot & set PCM & join conf */
member->dsp->pcm_slot_tx = i;
member->dsp->pcm_slot_rx = i;
@@ -1009,9 +1009,9 @@ join_members:
member->dsp->pcm_bank_rx = 2;
member->dsp->hfc_conf = current_conf;
dsp_cmx_hw_message(member->dsp, MISDN_CTRL_HFC_PCM_CONN,
- i, 2, i, 2);
+ i, 2, i, 2);
dsp_cmx_hw_message(member->dsp,
- MISDN_CTRL_HFC_CONF_JOIN, current_conf, 0, 0, 0);
+ MISDN_CTRL_HFC_CONF_JOIN, current_conf, 0, 0, 0);
}
return;
}
@@ -1040,9 +1040,9 @@ join_members:
/* no more conferences available */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s conference %d cannot be formed, because "
- "no conference number free\n",
- __func__, conf->id);
+ "%s conference %d cannot be formed, because "
+ "no conference number free\n",
+ __func__, conf->id);
goto conf_software;
}
/* join all members */
@@ -1070,7 +1070,7 @@ dsp_cmx_conf(struct dsp *dsp, u32 conf_id)
if (dsp->conf_id) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "removing us from conference %d\n",
- dsp->conf->id);
+ dsp->conf->id);
/* remove us from conf */
conf = dsp->conf;
err = dsp_cmx_del_conf_member(dsp);
@@ -1085,7 +1085,7 @@ dsp_cmx_conf(struct dsp *dsp, u32 conf_id)
if (list_empty(&conf->mlist)) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "conference is empty, so we remove it.\n");
+ "conference is empty, so we remove it.\n");
err = dsp_cmx_del_conf(conf);
if (err)
return err;
@@ -1102,29 +1102,29 @@ dsp_cmx_conf(struct dsp *dsp, u32 conf_id)
/* now add us to conf */
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG "searching conference %d\n",
- conf_id);
+ conf_id);
conf = dsp_cmx_search_conf(conf_id);
if (!conf) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "conference doesn't exist yet, creating.\n");
+ "conference doesn't exist yet, creating.\n");
/* the conference doesn't exist, so we create */
conf = dsp_cmx_new_conf(conf_id);
if (!conf)
return -EINVAL;
} else if (!list_empty(&conf->mlist)) {
member = list_entry(conf->mlist.next, struct dsp_conf_member,
- list);
+ list);
if (dsp->hdlc && !member->dsp->hdlc) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "cannot join transparent conference.\n");
+ "cannot join transparent conference.\n");
return -EINVAL;
}
if (!dsp->hdlc && member->dsp->hdlc) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "cannot join hdlc conference.\n");
+ "cannot join hdlc conference.\n");
return -EINVAL;
}
}
@@ -1138,7 +1138,7 @@ dsp_cmx_conf(struct dsp *dsp, u32 conf_id)
if (list_empty(&conf->mlist)) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "we are alone in this conference, so exit.\n");
+ "we are alone in this conference, so exit.\n");
/* update hardware */
dsp_cmx_hardware(NULL, dsp);
return 0;
@@ -1166,7 +1166,7 @@ showdelay(struct dsp *dsp, int samples, int delay)
sdelay = delay * 50 / (dsp_poll << 2);
printk(KERN_DEBUG "DELAY (%s) %3d >%s\n", dsp->name, delay,
- sdelay > 50 ? "..." : bar + 50 - sdelay);
+ sdelay > 50 ? "..." : bar + 50 - sdelay);
}
#endif
@@ -1188,9 +1188,9 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb)
/* half of the buffer should be larger than maximum packet size */
if (len >= CMX_BUFF_HALF) {
printk(KERN_ERR
- "%s line %d: packet from card is too large (%d bytes). "
- "please make card send smaller packets OR increase "
- "CMX_BUFF_SIZE\n", __FILE__, __LINE__, len);
+ "%s line %d: packet from card is too large (%d bytes). "
+ "please make card send smaller packets OR increase "
+ "CMX_BUFF_SIZE\n", __FILE__, __LINE__, len);
return;
}
@@ -1228,9 +1228,9 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb)
if (((dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK) >= CMX_BUFF_HALF) {
if (dsp_debug & DEBUG_DSP_CLOCK)
printk(KERN_DEBUG
- "cmx_receive(dsp=%lx): UNDERRUN (or overrun the "
- "maximum delay), adjusting read pointer! "
- "(inst %s)\n", (u_long)dsp, dsp->name);
+ "cmx_receive(dsp=%lx): UNDERRUN (or overrun the "
+ "maximum delay), adjusting read pointer! "
+ "(inst %s)\n", (u_long)dsp, dsp->name);
/* flush rx buffer and set delay to dsp_poll / 2 */
if (dsp->features.unordered) {
dsp->rx_R = (hh->id & CMX_BUFF_MASK);
@@ -1255,27 +1255,27 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb)
(dsp->cmx_delay << 1)) {
if (dsp_debug & DEBUG_DSP_CLOCK)
printk(KERN_DEBUG
- "cmx_receive(dsp=%lx): OVERRUN (because "
- "twice the delay is reached), adjusting "
- "read pointer! (inst %s)\n",
- (u_long)dsp, dsp->name);
- /* flush buffer */
- if (dsp->features.unordered) {
- dsp->rx_R = (hh->id & CMX_BUFF_MASK);
- dsp->rx_W = (dsp->rx_R + dsp->cmx_delay)
- & CMX_BUFF_MASK;
- } else {
- dsp->rx_R = 0;
- dsp->rx_W = dsp->cmx_delay;
+ "cmx_receive(dsp=%lx): OVERRUN (because "
+ "twice the delay is reached), adjusting "
+ "read pointer! (inst %s)\n",
+ (u_long)dsp, dsp->name);
+ /* flush buffer */
+ if (dsp->features.unordered) {
+ dsp->rx_R = (hh->id & CMX_BUFF_MASK);
+ dsp->rx_W = (dsp->rx_R + dsp->cmx_delay)
+ & CMX_BUFF_MASK;
+ } else {
+ dsp->rx_R = 0;
+ dsp->rx_W = dsp->cmx_delay;
+ }
+ memset(dsp->rx_buff, dsp_silence, sizeof(dsp->rx_buff));
}
- memset(dsp->rx_buff, dsp_silence, sizeof(dsp->rx_buff));
- }
/* show where to write */
#ifdef CMX_DEBUG
printk(KERN_DEBUG
- "cmx_receive(dsp=%lx): rx_R(dsp)=%05x rx_W(dsp)=%05x len=%d %s\n",
- (u_long)dsp, dsp->rx_R, dsp->rx_W, len, dsp->name);
+ "cmx_receive(dsp=%lx): rx_R(dsp)=%05x rx_W(dsp)=%05x len=%d %s\n",
+ (u_long)dsp, dsp->rx_R, dsp->rx_W, len, dsp->name);
#endif
/* write data into rx_buffer */
@@ -1290,7 +1290,7 @@ dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb)
}
/* increase write-pointer */
- dsp->rx_W = ((dsp->rx_W+len) & CMX_BUFF_MASK);
+ dsp->rx_W = ((dsp->rx_W + len) & CMX_BUFF_MASK);
#ifdef CMX_DELAY_DEBUG
showdelay(dsp, len, (dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK);
#endif
@@ -1319,7 +1319,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
return;
}
if (((dsp->conf && dsp->conf->hardware) || /* hardware conf */
- dsp->echo.hardware) && /* OR hardware echo */
+ dsp->echo.hardware) && /* OR hardware echo */
dsp->tx_R == dsp->tx_W && /* AND no tx-data */
!(dsp->tone.tone && dsp->tone.software)) { /* AND not soft tones */
if (!dsp->tx_data) { /* no tx_data for user space required */
@@ -1334,8 +1334,8 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
#ifdef CMX_DEBUG
printk(KERN_DEBUG
- "SEND members=%d dsp=%s, conf=%p, rx_R=%05x rx_W=%05x\n",
- members, dsp->name, conf, dsp->rx_R, dsp->rx_W);
+ "SEND members=%d dsp=%s, conf=%p, rx_R=%05x rx_W=%05x\n",
+ members, dsp->name, conf, dsp->rx_R, dsp->rx_W);
#endif
/* preload if we have delay set */
@@ -1349,8 +1349,8 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
nskb = mI_alloc_skb(len + preload, GFP_ATOMIC);
if (!nskb) {
printk(KERN_ERR
- "FATAL ERROR in mISDN_dsp.o: cannot alloc %d bytes\n",
- len + preload);
+ "FATAL ERROR in mISDN_dsp.o: cannot alloc %d bytes\n",
+ len + preload);
return;
}
hh = mISDN_HEAD_P(nskb);
@@ -1386,22 +1386,22 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
if (!dsp->tx_mix && t != tt) {
/* -> send tx-data and continue when not enough */
#ifdef CMX_TX_DEBUG
- sprintf(debugbuf, "TX sending (%04x-%04x)%p: ", t, tt, p);
+ sprintf(debugbuf, "TX sending (%04x-%04x)%p: ", t, tt, p);
#endif
while (r != rr && t != tt) {
#ifdef CMX_TX_DEBUG
if (strlen(debugbuf) < 48)
- sprintf(debugbuf+strlen(debugbuf), " %02x",
- p[t]);
+ sprintf(debugbuf + strlen(debugbuf), " %02x",
+ p[t]);
#endif
*d++ = p[t]; /* write tx_buff */
- t = (t+1) & CMX_BUFF_MASK;
- r = (r+1) & CMX_BUFF_MASK;
+ t = (t + 1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
if (r == rr) {
dsp->tx_R = t;
#ifdef CMX_TX_DEBUG
- printk(KERN_DEBUG "%s\n", debugbuf);
+ printk(KERN_DEBUG "%s\n", debugbuf);
#endif
goto send_packet;
}
@@ -1417,29 +1417,29 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
/* -> send tx-data if available or use 0-volume */
while (r != rr && t != tt) {
*d++ = p[t]; /* write tx_buff */
- t = (t+1) & CMX_BUFF_MASK;
- r = (r+1) & CMX_BUFF_MASK;
+ t = (t + 1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
if (r != rr) {
if (dsp_debug & DEBUG_DSP_CLOCK)
printk(KERN_DEBUG "%s: RX empty\n",
- __func__);
- memset(d, dsp_silence, (rr-r)&CMX_BUFF_MASK);
+ __func__);
+ memset(d, dsp_silence, (rr - r) & CMX_BUFF_MASK);
}
- /* -> if echo is enabled */
+ /* -> if echo is enabled */
} else {
/*
* -> mix tx-data with echo if available,
* or use echo only
*/
while (r != rr && t != tt) {
- *d++ = dsp_audio_mix_law[(p[t]<<8)|q[r]];
- t = (t+1) & CMX_BUFF_MASK;
- r = (r+1) & CMX_BUFF_MASK;
+ *d++ = dsp_audio_mix_law[(p[t] << 8) | q[r]];
+ t = (t + 1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
while (r != rr) {
*d++ = q[r]; /* echo */
- r = (r+1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
}
dsp->tx_R = t;
@@ -1449,63 +1449,63 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
#ifdef CMX_CONF_DEBUG
if (0) {
#else
- if (members == 2) {
+ if (members == 2) {
#endif
- /* "other" becomes other party */
- other = (list_entry(conf->mlist.next,
- struct dsp_conf_member, list))->dsp;
- if (other == member)
- other = (list_entry(conf->mlist.prev,
- struct dsp_conf_member, list))->dsp;
- o_q = other->rx_buff; /* received data */
- o_rr = (other->rx_R + len) & CMX_BUFF_MASK;
+ /* "other" becomes other party */
+ other = (list_entry(conf->mlist.next,
+ struct dsp_conf_member, list))->dsp;
+ if (other == member)
+ other = (list_entry(conf->mlist.prev,
+ struct dsp_conf_member, list))->dsp;
+ o_q = other->rx_buff; /* received data */
+ o_rr = (other->rx_R + len) & CMX_BUFF_MASK;
/* end of rx-pointer */
- o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
+ o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
/* start rx-pointer at current read position*/
- /* -> if echo is NOT enabled */
- if (!dsp->echo.software) {
- /*
- * -> copy other member's rx-data,
- * if tx-data is available, mix
- */
- while (o_r != o_rr && t != tt) {
- *d++ = dsp_audio_mix_law[(p[t]<<8)|o_q[o_r]];
- t = (t+1) & CMX_BUFF_MASK;
- o_r = (o_r+1) & CMX_BUFF_MASK;
- }
- while (o_r != o_rr) {
- *d++ = o_q[o_r];
- o_r = (o_r+1) & CMX_BUFF_MASK;
- }
- /* -> if echo is enabled */
- } else {
- /*
- * -> mix other member's rx-data with echo,
- * if tx-data is available, mix
- */
- while (r != rr && t != tt) {
- sample = dsp_audio_law_to_s32[p[t]] +
- dsp_audio_law_to_s32[q[r]] +
- dsp_audio_law_to_s32[o_q[o_r]];
- if (sample < -32768)
- sample = -32768;
- else if (sample > 32767)
- sample = 32767;
- *d++ = dsp_audio_s16_to_law[sample & 0xffff];
- /* tx-data + rx_data + echo */
- t = (t+1) & CMX_BUFF_MASK;
- r = (r+1) & CMX_BUFF_MASK;
- o_r = (o_r+1) & CMX_BUFF_MASK;
- }
- while (r != rr) {
- *d++ = dsp_audio_mix_law[(q[r]<<8)|o_q[o_r]];
- r = (r+1) & CMX_BUFF_MASK;
- o_r = (o_r+1) & CMX_BUFF_MASK;
+ /* -> if echo is NOT enabled */
+ if (!dsp->echo.software) {
+ /*
+ * -> copy other member's rx-data,
+ * if tx-data is available, mix
+ */
+ while (o_r != o_rr && t != tt) {
+ *d++ = dsp_audio_mix_law[(p[t] << 8) | o_q[o_r]];
+ t = (t + 1) & CMX_BUFF_MASK;
+ o_r = (o_r + 1) & CMX_BUFF_MASK;
+ }
+ while (o_r != o_rr) {
+ *d++ = o_q[o_r];
+ o_r = (o_r + 1) & CMX_BUFF_MASK;
+ }
+ /* -> if echo is enabled */
+ } else {
+ /*
+ * -> mix other member's rx-data with echo,
+ * if tx-data is available, mix
+ */
+ while (r != rr && t != tt) {
+ sample = dsp_audio_law_to_s32[p[t]] +
+ dsp_audio_law_to_s32[q[r]] +
+ dsp_audio_law_to_s32[o_q[o_r]];
+ if (sample < -32768)
+ sample = -32768;
+ else if (sample > 32767)
+ sample = 32767;
+ *d++ = dsp_audio_s16_to_law[sample & 0xffff];
+ /* tx-data + rx_data + echo */
+ t = (t + 1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
+ o_r = (o_r + 1) & CMX_BUFF_MASK;
+ }
+ while (r != rr) {
+ *d++ = dsp_audio_mix_law[(q[r] << 8) | o_q[o_r]];
+ r = (r + 1) & CMX_BUFF_MASK;
+ o_r = (o_r + 1) & CMX_BUFF_MASK;
+ }
}
+ dsp->tx_R = t;
+ goto send_packet;
}
- dsp->tx_R = t;
- goto send_packet;
- }
#ifdef DSP_NEVER_DEFINED
}
#endif
@@ -1518,15 +1518,15 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
*/
while (r != rr && t != tt) {
sample = dsp_audio_law_to_s32[p[t]] + *c++ -
- dsp_audio_law_to_s32[q[r]];
+ dsp_audio_law_to_s32[q[r]];
if (sample < -32768)
sample = -32768;
else if (sample > 32767)
sample = 32767;
*d++ = dsp_audio_s16_to_law[sample & 0xffff];
- /* conf-rx+tx */
- r = (r+1) & CMX_BUFF_MASK;
- t = (t+1) & CMX_BUFF_MASK;
+ /* conf-rx+tx */
+ r = (r + 1) & CMX_BUFF_MASK;
+ t = (t + 1) & CMX_BUFF_MASK;
}
while (r != rr) {
sample = *c++ - dsp_audio_law_to_s32[q[r]];
@@ -1535,10 +1535,10 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
else if (sample > 32767)
sample = 32767;
*d++ = dsp_audio_s16_to_law[sample & 0xffff];
- /* conf-rx */
- r = (r+1) & CMX_BUFF_MASK;
+ /* conf-rx */
+ r = (r + 1) & CMX_BUFF_MASK;
}
- /* -> if echo is enabled */
+ /* -> if echo is enabled */
} else {
/*
* -> encode conf-data, if tx-data
@@ -1551,9 +1551,9 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
else if (sample > 32767)
sample = 32767;
*d++ = dsp_audio_s16_to_law[sample & 0xffff];
- /* conf(echo)+tx */
- t = (t+1) & CMX_BUFF_MASK;
- r = (r+1) & CMX_BUFF_MASK;
+ /* conf(echo)+tx */
+ t = (t + 1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
while (r != rr) {
sample = *c++;
@@ -1562,8 +1562,8 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
else if (sample > 32767)
sample = 32767;
*d++ = dsp_audio_s16_to_law[sample & 0xffff];
- /* conf(echo) */
- r = (r+1) & CMX_BUFF_MASK;
+ /* conf(echo) */
+ r = (r + 1) & CMX_BUFF_MASK;
}
}
dsp->tx_R = t;
@@ -1587,14 +1587,14 @@ send_packet:
txskb = mI_alloc_skb(len, GFP_ATOMIC);
if (!txskb) {
printk(KERN_ERR
- "FATAL ERROR in mISDN_dsp.o: "
- "cannot alloc %d bytes\n", len);
+ "FATAL ERROR in mISDN_dsp.o: "
+ "cannot alloc %d bytes\n", len);
} else {
thh = mISDN_HEAD_P(txskb);
thh->prim = DL_DATA_REQ;
thh->id = 0;
- memcpy(skb_put(txskb, len), nskb->data+preload,
- len);
+ memcpy(skb_put(txskb, len), nskb->data + preload,
+ len);
/* queue (trigger later) */
skb_queue_tail(&dsp->sendq, txskb);
}
@@ -1608,7 +1608,7 @@ send_packet:
/* pipeline */
if (dsp->pipeline.inuse)
dsp_pipeline_process_tx(&dsp->pipeline, nskb->data,
- nskb->len);
+ nskb->len);
/* crypt */
if (dsp->bf_enable)
dsp_bf_encrypt(dsp, nskb->data, nskb->len);
@@ -1621,7 +1621,7 @@ static u32 jittercount; /* counter for jitter check */
struct timer_list dsp_spl_tl;
u32 dsp_spl_jiffies; /* calculate the next time to fire */
static u16 dsp_count; /* last sample count */
-static int dsp_count_valid ; /* if we have last sample count */
+static int dsp_count_valid; /* if we have last sample count */
void
dsp_cmx_send(void *arg)
@@ -1630,7 +1630,7 @@ dsp_cmx_send(void *arg)
struct dsp_conf_member *member;
struct dsp *dsp;
int mustmix, members;
- static s32 mixbuffer[MAX_POLL+100];
+ static s32 mixbuffer[MAX_POLL + 100];
s32 *c;
u8 *p, *q;
int r, rr;
@@ -1675,9 +1675,9 @@ dsp_cmx_send(void *arg)
#ifdef CMX_CONF_DEBUG
if (conf->software && members > 1)
#else
- if (conf->software && members > 2)
+ if (conf->software && members > 2)
#endif
- mustmix = 1;
+ mustmix = 1;
}
/* transmission required */
@@ -1698,265 +1698,263 @@ dsp_cmx_send(void *arg)
#ifdef CMX_CONF_DEBUG
if (conf->software && members > 1) {
#else
- if (conf->software && members > 2) {
+ if (conf->software && members > 2) {
#endif
- /* check for hdlc conf */
- member = list_entry(conf->mlist.next,
- struct dsp_conf_member, list);
- if (member->dsp->hdlc)
- continue;
- /* mix all data */
- memset(mixbuffer, 0, length*sizeof(s32));
- list_for_each_entry(member, &conf->mlist, list) {
- dsp = member->dsp;
- /* get range of data to mix */
- c = mixbuffer;
- q = dsp->rx_buff;
- r = dsp->rx_R;
- rr = (r + length) & CMX_BUFF_MASK;
- /* add member's data */
- while (r != rr) {
- *c++ += dsp_audio_law_to_s32[q[r]];
- r = (r+1) & CMX_BUFF_MASK;
+ /* check for hdlc conf */
+ member = list_entry(conf->mlist.next,
+ struct dsp_conf_member, list);
+ if (member->dsp->hdlc)
+ continue;
+ /* mix all data */
+ memset(mixbuffer, 0, length * sizeof(s32));
+ list_for_each_entry(member, &conf->mlist, list) {
+ dsp = member->dsp;
+ /* get range of data to mix */
+ c = mixbuffer;
+ q = dsp->rx_buff;
+ r = dsp->rx_R;
+ rr = (r + length) & CMX_BUFF_MASK;
+ /* add member's data */
+ while (r != rr) {
+ *c++ += dsp_audio_law_to_s32[q[r]];
+ r = (r + 1) & CMX_BUFF_MASK;
+ }
}
- }
-
- /* process each member */
- list_for_each_entry(member, &conf->mlist, list) {
- /* transmission */
- dsp_cmx_send_member(member->dsp, length,
- mixbuffer, members);
- }
- }
- }
- /* delete rx-data, increment buffers, change pointers */
- list_for_each_entry(dsp, &dsp_ilist, list) {
- if (dsp->hdlc)
- continue;
- p = dsp->rx_buff;
- q = dsp->tx_buff;
- r = dsp->rx_R;
- /* move receive pointer when receiving */
- if (!dsp->rx_is_off) {
- rr = (r + length) & CMX_BUFF_MASK;
- /* delete rx-data */
- while (r != rr) {
- p[r] = dsp_silence;
- r = (r+1) & CMX_BUFF_MASK;
+ /* process each member */
+ list_for_each_entry(member, &conf->mlist, list) {
+ /* transmission */
+ dsp_cmx_send_member(member->dsp, length,
+ mixbuffer, members);
+ }
}
- /* increment rx-buffer pointer */
- dsp->rx_R = r; /* write incremented read pointer */
}
- /* check current rx_delay */
- delay = (dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK;
- if (delay >= CMX_BUFF_HALF)
- delay = 0; /* will be the delay before next write */
- /* check for lower delay */
- if (delay < dsp->rx_delay[0])
- dsp->rx_delay[0] = delay;
- /* check current tx_delay */
- delay = (dsp->tx_W-dsp->tx_R) & CMX_BUFF_MASK;
- if (delay >= CMX_BUFF_HALF)
- delay = 0; /* will be the delay before next write */
- /* check for lower delay */
- if (delay < dsp->tx_delay[0])
- dsp->tx_delay[0] = delay;
- if (jittercheck) {
- /* find the lowest of all rx_delays */
- delay = dsp->rx_delay[0];
- i = 1;
- while (i < MAX_SECONDS_JITTER_CHECK) {
- if (delay > dsp->rx_delay[i])
- delay = dsp->rx_delay[i];
- i++;
- }
- /*
- * remove rx_delay only if we have delay AND we
- * have not preset cmx_delay AND
- * the delay is greater dsp_poll
- */
- if (delay > dsp_poll && !dsp->cmx_delay) {
- if (dsp_debug & DEBUG_DSP_CLOCK)
- printk(KERN_DEBUG
- "%s lowest rx_delay of %d bytes for"
- " dsp %s are now removed.\n",
- __func__, delay,
- dsp->name);
- r = dsp->rx_R;
- rr = (r + delay - (dsp_poll >> 1))
- & CMX_BUFF_MASK;
+ /* delete rx-data, increment buffers, change pointers */
+ list_for_each_entry(dsp, &dsp_ilist, list) {
+ if (dsp->hdlc)
+ continue;
+ p = dsp->rx_buff;
+ q = dsp->tx_buff;
+ r = dsp->rx_R;
+ /* move receive pointer when receiving */
+ if (!dsp->rx_is_off) {
+ rr = (r + length) & CMX_BUFF_MASK;
/* delete rx-data */
while (r != rr) {
p[r] = dsp_silence;
- r = (r+1) & CMX_BUFF_MASK;
+ r = (r + 1) & CMX_BUFF_MASK;
}
/* increment rx-buffer pointer */
- dsp->rx_R = r;
- /* write incremented read pointer */
- }
- /* find the lowest of all tx_delays */
- delay = dsp->tx_delay[0];
- i = 1;
- while (i < MAX_SECONDS_JITTER_CHECK) {
- if (delay > dsp->tx_delay[i])
- delay = dsp->tx_delay[i];
- i++;
+ dsp->rx_R = r; /* write incremented read pointer */
}
- /*
- * remove delay only if we have delay AND we
- * have enabled tx_dejitter
- */
- if (delay > dsp_poll && dsp->tx_dejitter) {
- if (dsp_debug & DEBUG_DSP_CLOCK)
- printk(KERN_DEBUG
- "%s lowest tx_delay of %d bytes for"
- " dsp %s are now removed.\n",
- __func__, delay,
- dsp->name);
- r = dsp->tx_R;
- rr = (r + delay - (dsp_poll >> 1))
- & CMX_BUFF_MASK;
- /* delete tx-data */
- while (r != rr) {
- q[r] = dsp_silence;
- r = (r+1) & CMX_BUFF_MASK;
+
+ /* check current rx_delay */
+ delay = (dsp->rx_W-dsp->rx_R) & CMX_BUFF_MASK;
+ if (delay >= CMX_BUFF_HALF)
+ delay = 0; /* will be the delay before next write */
+ /* check for lower delay */
+ if (delay < dsp->rx_delay[0])
+ dsp->rx_delay[0] = delay;
+ /* check current tx_delay */
+ delay = (dsp->tx_W-dsp->tx_R) & CMX_BUFF_MASK;
+ if (delay >= CMX_BUFF_HALF)
+ delay = 0; /* will be the delay before next write */
+ /* check for lower delay */
+ if (delay < dsp->tx_delay[0])
+ dsp->tx_delay[0] = delay;
+ if (jittercheck) {
+ /* find the lowest of all rx_delays */
+ delay = dsp->rx_delay[0];
+ i = 1;
+ while (i < MAX_SECONDS_JITTER_CHECK) {
+ if (delay > dsp->rx_delay[i])
+ delay = dsp->rx_delay[i];
+ i++;
}
- /* increment rx-buffer pointer */
- dsp->tx_R = r;
- /* write incremented read pointer */
- }
- /* scroll up delays */
- i = MAX_SECONDS_JITTER_CHECK - 1;
- while (i) {
- dsp->rx_delay[i] = dsp->rx_delay[i-1];
- dsp->tx_delay[i] = dsp->tx_delay[i-1];
- i--;
+ /*
+ * remove rx_delay only if we have delay AND we
+ * have not preset cmx_delay AND
+ * the delay is greater dsp_poll
+ */
+ if (delay > dsp_poll && !dsp->cmx_delay) {
+ if (dsp_debug & DEBUG_DSP_CLOCK)
+ printk(KERN_DEBUG
+ "%s lowest rx_delay of %d bytes for"
+ " dsp %s are now removed.\n",
+ __func__, delay,
+ dsp->name);
+ r = dsp->rx_R;
+ rr = (r + delay - (dsp_poll >> 1))
+ & CMX_BUFF_MASK;
+ /* delete rx-data */
+ while (r != rr) {
+ p[r] = dsp_silence;
+ r = (r + 1) & CMX_BUFF_MASK;
+ }
+ /* increment rx-buffer pointer */
+ dsp->rx_R = r;
+ /* write incremented read pointer */
+ }
+ /* find the lowest of all tx_delays */
+ delay = dsp->tx_delay[0];
+ i = 1;
+ while (i < MAX_SECONDS_JITTER_CHECK) {
+ if (delay > dsp->tx_delay[i])
+ delay = dsp->tx_delay[i];
+ i++;
+ }
+ /*
+ * remove delay only if we have delay AND we
+ * have enabled tx_dejitter
+ */
+ if (delay > dsp_poll && dsp->tx_dejitter) {
+ if (dsp_debug & DEBUG_DSP_CLOCK)
+ printk(KERN_DEBUG
+ "%s lowest tx_delay of %d bytes for"
+ " dsp %s are now removed.\n",
+ __func__, delay,
+ dsp->name);
+ r = dsp->tx_R;
+ rr = (r + delay - (dsp_poll >> 1))
+ & CMX_BUFF_MASK;
+ /* delete tx-data */
+ while (r != rr) {
+ q[r] = dsp_silence;
+ r = (r + 1) & CMX_BUFF_MASK;
+ }
+ /* increment rx-buffer pointer */
+ dsp->tx_R = r;
+ /* write incremented read pointer */
+ }
+ /* scroll up delays */
+ i = MAX_SECONDS_JITTER_CHECK - 1;
+ while (i) {
+ dsp->rx_delay[i] = dsp->rx_delay[i - 1];
+ dsp->tx_delay[i] = dsp->tx_delay[i - 1];
+ i--;
+ }
+ dsp->tx_delay[0] = CMX_BUFF_HALF; /* (infinite) delay */
+ dsp->rx_delay[0] = CMX_BUFF_HALF; /* (infinite) delay */
}
- dsp->tx_delay[0] = CMX_BUFF_HALF; /* (infinite) delay */
- dsp->rx_delay[0] = CMX_BUFF_HALF; /* (infinite) delay */
}
- }
- /* if next event would be in the past ... */
- if ((s32)(dsp_spl_jiffies+dsp_tics-jiffies) <= 0)
- dsp_spl_jiffies = jiffies + 1;
- else
- dsp_spl_jiffies += dsp_tics;
+ /* if next event would be in the past ... */
+ if ((s32)(dsp_spl_jiffies + dsp_tics-jiffies) <= 0)
+ dsp_spl_jiffies = jiffies + 1;
+ else
+ dsp_spl_jiffies += dsp_tics;
- dsp_spl_tl.expires = dsp_spl_jiffies;
- add_timer(&dsp_spl_tl);
+ dsp_spl_tl.expires = dsp_spl_jiffies;
+ add_timer(&dsp_spl_tl);
- /* unlock */
- spin_unlock_irqrestore(&dsp_lock, flags);
-}
+ /* unlock */
+ spin_unlock_irqrestore(&dsp_lock, flags);
+ }
/*
* audio data is transmitted from upper layer to the dsp
*/
-void
-dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb)
-{
- u_int w, ww;
- u8 *d, *p;
- int space; /* todo: , l = skb->len; */
+ void
+ dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb)
+ {
+ u_int w, ww;
+ u8 *d, *p;
+ int space; /* todo: , l = skb->len; */
#ifdef CMX_TX_DEBUG
- char debugbuf[256] = "";
+ char debugbuf[256] = "";
#endif
- /* check if there is enough space, and then copy */
- w = dsp->tx_W;
- ww = dsp->tx_R;
- p = dsp->tx_buff;
- d = skb->data;
- space = (ww - w - 1) & CMX_BUFF_MASK;
- /* write-pointer should not overrun nor reach read pointer */
- if (space < skb->len) {
- /* write to the space we have left */
- ww = (ww - 1) & CMX_BUFF_MASK; /* end one byte prior tx_R */
- if (dsp_debug & DEBUG_DSP_CLOCK)
- printk(KERN_DEBUG "%s: TX overflow space=%d skb->len="
- "%d, w=0x%04x, ww=0x%04x\n", __func__, space,
- skb->len, w, ww);
- } else
- /* write until all byte are copied */
- ww = (w + skb->len) & CMX_BUFF_MASK;
- dsp->tx_W = ww;
-
- /* show current buffer */
+ /* check if there is enough space, and then copy */
+ w = dsp->tx_W;
+ ww = dsp->tx_R;
+ p = dsp->tx_buff;
+ d = skb->data;
+ space = (ww - w - 1) & CMX_BUFF_MASK;
+ /* write-pointer should not overrun nor reach read pointer */
+ if (space < skb->len) {
+ /* write to the space we have left */
+ ww = (ww - 1) & CMX_BUFF_MASK; /* end one byte prior tx_R */
+ if (dsp_debug & DEBUG_DSP_CLOCK)
+ printk(KERN_DEBUG "%s: TX overflow space=%d skb->len="
+ "%d, w=0x%04x, ww=0x%04x\n", __func__, space,
+ skb->len, w, ww);
+ } else
+ /* write until all byte are copied */
+ ww = (w + skb->len) & CMX_BUFF_MASK;
+ dsp->tx_W = ww;
+
+ /* show current buffer */
#ifdef CMX_DEBUG
- printk(KERN_DEBUG
- "cmx_transmit(dsp=%lx) %d bytes to 0x%x-0x%x. %s\n",
- (u_long)dsp, (ww-w)&CMX_BUFF_MASK, w, ww, dsp->name);
+ printk(KERN_DEBUG
+ "cmx_transmit(dsp=%lx) %d bytes to 0x%x-0x%x. %s\n",
+ (u_long)dsp, (ww - w) & CMX_BUFF_MASK, w, ww, dsp->name);
#endif
- /* copy transmit data to tx-buffer */
+ /* copy transmit data to tx-buffer */
#ifdef CMX_TX_DEBUG
- sprintf(debugbuf, "TX getting (%04x-%04x)%p: ", w, ww, p);
+ sprintf(debugbuf, "TX getting (%04x-%04x)%p: ", w, ww, p);
#endif
- while (w != ww) {
+ while (w != ww) {
#ifdef CMX_TX_DEBUG
- if (strlen(debugbuf) < 48)
- sprintf(debugbuf+strlen(debugbuf), " %02x", *d);
+ if (strlen(debugbuf) < 48)
+ sprintf(debugbuf + strlen(debugbuf), " %02x", *d);
#endif
- p[w] = *d++;
- w = (w+1) & CMX_BUFF_MASK;
- }
+ p[w] = *d++;
+ w = (w + 1) & CMX_BUFF_MASK;
+ }
#ifdef CMX_TX_DEBUG
- printk(KERN_DEBUG "%s\n", debugbuf);
+ printk(KERN_DEBUG "%s\n", debugbuf);
#endif
-}
+ }
/*
* hdlc data is received from card and sent to all members.
*/
-void
-dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
-{
- struct sk_buff *nskb = NULL;
- struct dsp_conf_member *member;
- struct mISDNhead *hh;
-
- /* not if not active */
- if (!dsp->b_active)
- return;
+ void
+ dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
+ {
+ struct sk_buff *nskb = NULL;
+ struct dsp_conf_member *member;
+ struct mISDNhead *hh;
+
+ /* not if not active */
+ if (!dsp->b_active)
+ return;
- /* check if we have sompen */
- if (skb->len < 1)
- return;
+ /* check if we have sompen */
+ if (skb->len < 1)
+ return;
- /* no conf */
- if (!dsp->conf) {
- /* in case of software echo */
- if (dsp->echo.software) {
- nskb = skb_clone(skb, GFP_ATOMIC);
- if (nskb) {
- hh = mISDN_HEAD_P(nskb);
- hh->prim = PH_DATA_REQ;
- hh->id = 0;
- skb_queue_tail(&dsp->sendq, nskb);
- schedule_work(&dsp->workq);
+ /* no conf */
+ if (!dsp->conf) {
+ /* in case of software echo */
+ if (dsp->echo.software) {
+ nskb = skb_clone(skb, GFP_ATOMIC);
+ if (nskb) {
+ hh = mISDN_HEAD_P(nskb);
+ hh->prim = PH_DATA_REQ;
+ hh->id = 0;
+ skb_queue_tail(&dsp->sendq, nskb);
+ schedule_work(&dsp->workq);
+ }
}
+ return;
}
- return;
- }
- /* in case of hardware conference */
- if (dsp->conf->hardware)
- return;
- list_for_each_entry(member, &dsp->conf->mlist, list) {
- if (dsp->echo.software || member->dsp != dsp) {
- nskb = skb_clone(skb, GFP_ATOMIC);
- if (nskb) {
- hh = mISDN_HEAD_P(nskb);
- hh->prim = PH_DATA_REQ;
- hh->id = 0;
- skb_queue_tail(&member->dsp->sendq, nskb);
- schedule_work(&member->dsp->workq);
+ /* in case of hardware conference */
+ if (dsp->conf->hardware)
+ return;
+ list_for_each_entry(member, &dsp->conf->mlist, list) {
+ if (dsp->echo.software || member->dsp != dsp) {
+ nskb = skb_clone(skb, GFP_ATOMIC);
+ if (nskb) {
+ hh = mISDN_HEAD_P(nskb);
+ hh->prim = PH_DATA_REQ;
+ hh->id = 0;
+ skb_queue_tail(&member->dsp->sendq, nskb);
+ schedule_work(&member->dsp->workq);
+ }
}
}
}
-}
-
-