diff options
Diffstat (limited to 'drivers/isdn/mISDN/dsp_cmx.c')
| -rw-r--r-- | drivers/isdn/mISDN/dsp_cmx.c | 1040 |
1 files changed, 519 insertions, 521 deletions
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index 4d395dea32f..334feab060a 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); + } } } } -} - - |