[dahdi-commits] sruffell: linux/trunk r9359 - /linux/trunk/drivers/dahdi/dahdi-base.c
SVN commits to the DAHDI project
dahdi-commits at lists.digium.com
Mon Sep 20 15:32:59 CDT 2010
Author: sruffell
Date: Mon Sep 20 15:32:55 2010
New Revision: 9359
URL: http://svnview.digium.com/svn/dahdi?view=rev&rev=9359
Log:
dahdi: Move handlers for DAHDI_[GET|SET]_PARAMS into separate functions.
Review: https://reviewboard.asterisk.org/r/905/
Signed-off-by: Shaun Ruffell <sruffell at digium.com>
Modified:
linux/trunk/drivers/dahdi/dahdi-base.c
Modified: linux/trunk/drivers/dahdi/dahdi-base.c
URL: http://svnview.digium.com/svn/dahdi/linux/trunk/drivers/dahdi/dahdi-base.c?view=diff&rev=9359&r1=9358&r2=9359
==============================================================================
--- linux/trunk/drivers/dahdi/dahdi-base.c (original)
+++ linux/trunk/drivers/dahdi/dahdi-base.c Mon Sep 20 15:32:55 2010
@@ -3833,141 +3833,182 @@
return 0;
}
+/**
+ * dahdi_ioctl_getparams() - Get channel parameters.
+ *
+ */
+static int dahdi_ioctl_getparams(struct file *file, unsigned long data)
+{
+ size_t size_to_copy;
+ struct dahdi_params param;
+ bool return_master = false;
+ struct dahdi_chan *chan;
+ int j;
+ size_to_copy = sizeof(struct dahdi_params);
+ if (copy_from_user(¶m, (void __user *)data, size_to_copy))
+ return -EFAULT;
+
+ /* check to see if the caller wants to receive our master channel
+ * number */
+ if (param.channo & DAHDI_GET_PARAMS_RETURN_MASTER) {
+ return_master = true;
+ param.channo &= ~DAHDI_GET_PARAMS_RETURN_MASTER;
+ }
+
+ /* Pick the right channo's */
+ chan = file->private_data;
+ if (!param.channo || chan) {
+ param.channo = chan->channo;
+ } else {
+ /* Check validity of channel */
+ VALID_CHANNEL(param.channo);
+ chan = chans[param.channo];
+ }
+ if (!chan)
+ return -EINVAL;
+
+ /* point to relevant structure */
+ param.sigtype = chan->sig; /* get signalling type */
+ /* return non-zero if rx not in idle state */
+ if (chan->span) {
+ j = dahdi_q_sig(chan);
+ if (j >= 0) { /* if returned with success */
+ param.rxisoffhook = ((chan->rxsig & (j >> 8)) !=
+ (j & 0xff));
+ } else {
+ const int sig = chan->rxhooksig;
+ param.rxisoffhook = ((sig != DAHDI_RXSIG_ONHOOK) &&
+ (sig != DAHDI_RXSIG_INITIAL));
+ }
+ } else if ((chan->txstate == DAHDI_TXSTATE_KEWL) ||
+ (chan->txstate == DAHDI_TXSTATE_AFTERKEWL)) {
+ param.rxisoffhook = 1;
+ } else {
+ param.rxisoffhook = 0;
+ }
+
+ if (chan->span &&
+ chan->span->ops->rbsbits && !(chan->sig & DAHDI_SIG_CLEAR)) {
+ param.rxbits = chan->rxsig;
+ param.txbits = chan->txsig;
+ param.idlebits = chan->idlebits;
+ } else {
+ param.rxbits = -1;
+ param.txbits = -1;
+ param.idlebits = 0;
+ }
+ if (chan->span &&
+ (chan->span->ops->rbsbits || chan->span->ops->hooksig) &&
+ !(chan->sig & DAHDI_SIG_CLEAR)) {
+ param.rxhooksig = chan->rxhooksig;
+ param.txhooksig = chan->txhooksig;
+ } else {
+ param.rxhooksig = -1;
+ param.txhooksig = -1;
+ }
+ param.prewinktime = chan->prewinktime;
+ param.preflashtime = chan->preflashtime;
+ param.winktime = chan->winktime;
+ param.flashtime = chan->flashtime;
+ param.starttime = chan->starttime;
+ param.rxwinktime = chan->rxwinktime;
+ param.rxflashtime = chan->rxflashtime;
+ param.debouncetime = chan->debouncetime;
+ param.channo = chan->channo;
+ param.chan_alarms = chan->chan_alarms;
+
+ /* if requested, put the master channel number in the top 16 bits of
+ * the result */
+ if (return_master)
+ param.channo |= chan->master->channo << 16;
+
+ param.pulsemaketime = chan->pulsemaketime;
+ param.pulsebreaktime = chan->pulsebreaktime;
+ param.pulseaftertime = chan->pulseaftertime;
+ param.spanno = (chan->span) ? chan->span->spanno : 0;
+ dahdi_copy_string(param.name, chan->name, sizeof(param.name));
+ param.chanpos = chan->chanpos;
+ param.sigcap = chan->sigcap;
+ /* Return current law */
+ if (chan->xlaw == __dahdi_alaw)
+ param.curlaw = DAHDI_LAW_ALAW;
+ else
+ param.curlaw = DAHDI_LAW_MULAW;
+
+ if (copy_to_user((void __user *)data, ¶m, size_to_copy))
+ return -EFAULT;
+
+ return 0;
+}
+
+/**
+ * dahdi_ioctl_setparams() - Set channel parameters.
+ *
+ */
+static int dahdi_ioctl_setparams(struct file *file, unsigned long data)
+{
+ struct dahdi_params param;
+ struct dahdi_chan *chan;
+
+ if (copy_from_user(¶m, (void __user *)data, sizeof(param)))
+ return -EFAULT;
+
+ param.chan_alarms = 0; /* be explicit about the above */
+
+ /* Pick the right channo's */
+ chan = file->private_data;
+ if (!param.channo || chan) {
+ param.channo = chan->channo;
+ } else {
+ /* Check validity of channel */
+ VALID_CHANNEL(param.channo);
+ chan = chans[param.channo];
+ }
+
+ if (!chan)
+ return -EINVAL;
+
+ /* point to relevant structure */
+ /* NOTE: sigtype is *not* included in this */
+ /* get timing paramters */
+ chan->prewinktime = param.prewinktime;
+ chan->preflashtime = param.preflashtime;
+ chan->winktime = param.winktime;
+ chan->flashtime = param.flashtime;
+ chan->starttime = param.starttime;
+ /* Update ringtime if not using a tone zone */
+ if (!chan->curzone)
+ chan->ringcadence[0] = chan->starttime;
+ chan->rxwinktime = param.rxwinktime;
+ chan->rxflashtime = param.rxflashtime;
+ chan->debouncetime = param.debouncetime;
+ chan->pulsemaketime = param.pulsemaketime;
+ chan->pulsebreaktime = param.pulsebreaktime;
+ chan->pulseaftertime = param.pulseaftertime;
+ return 0;
+}
+
static int dahdi_common_ioctl(struct file *file, unsigned int cmd, unsigned long data, int unit)
{
union {
struct dahdi_spaninfo_v1 spaninfo_v1;
struct dahdi_spaninfo spaninfo;
- struct dahdi_params param;
} stack;
struct dahdi_span *s;
- struct dahdi_chan *chan;
int i,j;
- int return_master = 0;
size_t size_to_copy;
void __user * const user_data = (void __user *)data;
- switch(cmd) {
+ switch (cmd) {
/* get channel parameters */
case DAHDI_GET_PARAMS_V1: /* Intentional drop through. */
case DAHDI_GET_PARAMS:
- size_to_copy = sizeof(struct dahdi_params);
- if (copy_from_user(&stack.param, user_data, size_to_copy))
- return -EFAULT;
-
- /* check to see if the caller wants to receive our master channel number */
- if (stack.param.channo & DAHDI_GET_PARAMS_RETURN_MASTER) {
- return_master = 1;
- stack.param.channo &= ~DAHDI_GET_PARAMS_RETURN_MASTER;
- }
-
- /* Pick the right channo's */
- if (!stack.param.channo || unit) {
- stack.param.channo = unit;
- }
- /* Check validity of channel */
- VALID_CHANNEL(stack.param.channo);
- chan = chans[stack.param.channo];
-
- /* point to relevant structure */
- stack.param.sigtype = chan->sig; /* get signalling type */
- /* return non-zero if rx not in idle state */
- if (chan->span) {
- j = dahdi_q_sig(chan);
- if (j >= 0) { /* if returned with success */
- stack.param.rxisoffhook = ((chan->rxsig & (j >> 8)) != (j & 0xff));
- } else {
- stack.param.rxisoffhook = ((chan->rxhooksig != DAHDI_RXSIG_ONHOOK) &&
- (chan->rxhooksig != DAHDI_RXSIG_INITIAL));
- }
- } else if ((chan->txstate == DAHDI_TXSTATE_KEWL) || (chan->txstate == DAHDI_TXSTATE_AFTERKEWL))
- stack.param.rxisoffhook = 1;
- else
- stack.param.rxisoffhook = 0;
- if (chan->span && chan->span->ops->rbsbits && !(chan->sig & DAHDI_SIG_CLEAR)) {
- stack.param.rxbits = chan->rxsig;
- stack.param.txbits = chan->txsig;
- stack.param.idlebits = chan->idlebits;
- } else {
- stack.param.rxbits = -1;
- stack.param.txbits = -1;
- stack.param.idlebits = 0;
- }
- if (chan->span && (chan->span->ops->rbsbits || chan->span->ops->hooksig) &&
- !(chan->sig & DAHDI_SIG_CLEAR)) {
- stack.param.rxhooksig = chan->rxhooksig;
- stack.param.txhooksig = chan->txhooksig;
- } else {
- stack.param.rxhooksig = -1;
- stack.param.txhooksig = -1;
- }
- stack.param.prewinktime = chan->prewinktime;
- stack.param.preflashtime = chan->preflashtime;
- stack.param.winktime = chan->winktime;
- stack.param.flashtime = chan->flashtime;
- stack.param.starttime = chan->starttime;
- stack.param.rxwinktime = chan->rxwinktime;
- stack.param.rxflashtime = chan->rxflashtime;
- stack.param.debouncetime = chan->debouncetime;
- stack.param.channo = chan->channo;
- stack.param.chan_alarms = chan->chan_alarms;
-
- /* if requested, put the master channel number in the top 16 bits of the result */
- if (return_master)
- stack.param.channo |= chan->master->channo << 16;
-
- stack.param.pulsemaketime = chan->pulsemaketime;
- stack.param.pulsebreaktime = chan->pulsebreaktime;
- stack.param.pulseaftertime = chan->pulseaftertime;
- if (chan->span) stack.param.spanno = chan->span->spanno;
- else stack.param.spanno = 0;
- dahdi_copy_string(stack.param.name, chan->name, sizeof(stack.param.name));
- stack.param.chanpos = chan->chanpos;
- stack.param.sigcap = chan->sigcap;
- /* Return current law */
- if (chan->xlaw == __dahdi_alaw)
- stack.param.curlaw = DAHDI_LAW_ALAW;
- else
- stack.param.curlaw = DAHDI_LAW_MULAW;
-
- if (copy_to_user(user_data, &stack.param, size_to_copy))
- return -EFAULT;
-
- break;
- /* set channel parameters */
+ return dahdi_ioctl_getparams(file, data);
+
case DAHDI_SET_PARAMS:
- if (copy_from_user(&stack.param, user_data,
- sizeof(struct dahdi_params)))
- return -EFAULT;
-
- stack.param.chan_alarms = 0; /* be explicit about the above */
-
- /* Pick the right channo's */
- if (!stack.param.channo || unit) {
- stack.param.channo = unit;
- }
- /* Check validity of channel */
- VALID_CHANNEL(stack.param.channo);
- chan = chans[stack.param.channo];
- /* point to relevant structure */
- /* NOTE: sigtype is *not* included in this */
- /* get timing stack.paramters */
- chan->prewinktime = stack.param.prewinktime;
- chan->preflashtime = stack.param.preflashtime;
- chan->winktime = stack.param.winktime;
- chan->flashtime = stack.param.flashtime;
- chan->starttime = stack.param.starttime;
- /* Update ringtime if not using a tone zone */
- if (!chan->curzone)
- chan->ringcadence[0] = chan->starttime;
- chan->rxwinktime = stack.param.rxwinktime;
- chan->rxflashtime = stack.param.rxflashtime;
- chan->debouncetime = stack.param.debouncetime;
- chan->pulsemaketime = stack.param.pulsemaketime;
- chan->pulsebreaktime = stack.param.pulsebreaktime;
- chan->pulseaftertime = stack.param.pulseaftertime;
- break;
+ return dahdi_ioctl_setparams(file, data);
+
case DAHDI_GETGAINS_V1: /* Intentional drop through. */
case DAHDI_GETGAINS: /* get gain stuff */
return dahdi_ioctl_getgains(file, cmd, data, unit);
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