diff options
Diffstat (limited to 'drivers/isdn/hardware/mISDN/hfcmulti.c')
| -rw-r--r-- | drivers/isdn/hardware/mISDN/hfcmulti.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 3fc2e9d9534..592db93105f 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -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); |