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mISDN: Add ISDN sample clock API to mISDN core

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Add ISDN sample clock API to mISDN core (new file clock.c)
hfcmulti and mISDNdsp use clock API.

Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <kkeil@suse.de>
This commit is contained in:
Andreas Eversberg
2008-09-06 09:03:46 +02:00
committed by Karsten Keil
parent 55a6af9749
commit 3bd69ad197
8 changed files with 294 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/isdn/hardware/mISDN/hfc_multi.h
View File

@@ -197,6 +197,9 @@ struct hfc_multi {
spinlock_t lock; /* the lock */
struct mISDNclock *iclock; /* isdn clock support */
int iclock_on;
/*
* the channel index is counted from 0, regardless where the channel
* is located on the hfc-channel.

45
drivers/isdn/hardware/mISDN/hfcmulti.c
View File

@@ -133,6 +133,12 @@
* Give the value of the clock control register (A_ST_CLK_DLY)
* of the S/T interfaces in TE mode.
* This register is needed for the TBR3 certification, so don't change it.
*
* clock:
* NOTE: only one clockdelay_te value must be given once
* Selects interface with clock source for mISDN and applications.
* Set to card number starting with 1. Set to -1 to disable.
* By default, the first card is used as clock source.
*/
/*
@@ -190,12 +196,13 @@ static int nt_t1_count[] = { 3840, 1920, 960, 480, 240, 120, 60, 30 };
*/
static uint type[MAX_CARDS];
static uint pcm[MAX_CARDS];
static uint dslot[MAX_CARDS];
static int pcm[MAX_CARDS];
static int dslot[MAX_CARDS];
static uint iomode[MAX_CARDS];
static uint port[MAX_PORTS];
static uint debug;
static uint poll;
static int clock;
static uint timer;
static uint clockdelay_te = CLKDEL_TE;
static uint clockdelay_nt = CLKDEL_NT;
@@ -207,12 +214,13 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(HFC_MULTI_VERSION);
module_param(debug, uint, S_IRUGO | S_IWUSR);
module_param(poll, uint, S_IRUGO | S_IWUSR);
module_param(clock, int, S_IRUGO | S_IWUSR);
module_param(timer, uint, S_IRUGO | S_IWUSR);
module_param(clockdelay_te, uint, S_IRUGO | S_IWUSR);
module_param(clockdelay_nt, uint, S_IRUGO | S_IWUSR);
module_param_array(type, uint, NULL, S_IRUGO | S_IWUSR);
module_param_array(pcm, uint, NULL, S_IRUGO | S_IWUSR);
module_param_array(dslot, uint, NULL, S_IRUGO | S_IWUSR);
module_param_array(pcm, int, NULL, S_IRUGO | S_IWUSR);
module_param_array(dslot, int, NULL, S_IRUGO | S_IWUSR);
module_param_array(iomode, uint, NULL, S_IRUGO | S_IWUSR);
module_param_array(port, uint, NULL, S_IRUGO | S_IWUSR);
@@ -2629,6 +2637,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
iqcnt = 0;
}
#endif
if (!r_irq_statech &&
!(status & (V_DTMF_STA | V_LOST_STA | V_EXT_IRQSTA |
V_MISC_IRQSTA | V_FR_IRQSTA))) {
@@ -2683,11 +2692,13 @@ hfcmulti_interrupt(int intno, void *dev_id)
plxsd_checksync(hc, 0);
}
}
if (r_irq_misc & V_TI_IRQ)
if (r_irq_misc & V_TI_IRQ) {
if (hc->iclock_on)
mISDN_clock_update(hc->iclock, poll, NULL);
handle_timer_irq(hc);
}
if (r_irq_misc & V_DTMF_IRQ) {
/* -> DTMF IRQ */
hfcmulti_dtmf(hc);
}
if (r_irq_misc & V_IRQ_PROC) {
@@ -4075,6 +4086,15 @@ hfcm_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
return err;
}
static int
clockctl(void *priv, int enable)
{
struct hfc_multi *hc = priv;
hc->iclock_on = enable;
return 0;
}
/*
* initialize the card
*/
@@ -4489,10 +4509,14 @@ release_card(struct hfc_multi *hc)
printk(KERN_WARNING "%s: release card (%d) entered\n",
__func__, hc->id);
/* unregister clock source */
if (hc->iclock)
mISDN_unregister_clock(hc->iclock);
/* disable irq */
spin_lock_irqsave(&hc->lock, flags);
disable_hwirq(hc);
spin_unlock_irqrestore(&hc->lock, flags);
udelay(1000);
/* dimm leds */
@@ -5003,6 +5027,10 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
list_add_tail(&hc->list, &HFClist);
spin_unlock_irqrestore(&HFClock, flags);
/* use as clock source */
if (clock == HFC_cnt + 1)
hc->iclock = mISDN_register_clock("HFCMulti", 0, clockctl, hc);
/* initialize hardware */
ret_err = init_card(hc);
if (ret_err) {
@@ -5273,6 +5301,9 @@ HFCmulti_init(void)
}
if (!clock)
clock = 1;
err = pci_register_driver(&hfcmultipci_driver);
if (err < 0) {
printk(KERN_ERR "error registering pci driver: %x\n", err);