diff options
| author | phk <phk@FreeBSD.org> | 2003-02-27 12:27:09 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-02-27 12:27:09 +0000 |
| commit | 432a37230075a04900fbea9fa6a39a38db05bb9a (patch) | |
| tree | 81bf6216ef6f72d8af1cf5354de65c8bd4008691 /sys/dev | |
| parent | 3ba9ae570741ac66a9e84c2b0b88cb347b31b6cf (diff) | |
| download | FreeBSD-src-432a37230075a04900fbea9fa6a39a38db05bb9a.zip FreeBSD-src-432a37230075a04900fbea9fa6a39a38db05bb9a.tar.gz | |
Make flags bit 0x10000 mean that PPS timestamping should use the
CTS instead of the DCD pin.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/sio/sio.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c index 8d7f95a..41fcd92 100644 --- a/sys/dev/sio/sio.c +++ b/sys/dev/sio/sio.c @@ -113,6 +113,7 @@ #define COM_DEBUGGER(flags) ((flags) & 0x80) #define COM_LOSESOUTINTS(flags) ((flags) & 0x08) #define COM_NOFIFO(flags) ((flags) & 0x02) +#define COM_PPSCTS(flags) ((flags) & 0x10000) #define COM_ST16650A(flags) ((flags) & 0x20000) #define COM_C_NOPROBE (0x40000) #define COM_NOPROBE(flags) ((flags) & COM_C_NOPROBE) @@ -252,6 +253,7 @@ struct com_s { struct timeval timestamp; struct timeval dcd_timestamp; struct pps_state pps; + int pps_bit; u_long bytes_in; /* statistics */ u_long bytes_out; @@ -1106,6 +1108,11 @@ determined_type: ; com->devs[rid]->si_drv1 = com; com->flags = flags; com->pps.ppscap = PPS_CAPTUREASSERT | PPS_CAPTURECLEAR; + + if (COM_PPSCTS(flags)) + com->pps_bit = MSR_CTS; + else + com->pps_bit = MSR_DCD; pps_init(&com->pps); rid = 0; @@ -1732,9 +1739,11 @@ siointr1(com) while (!com->gone) { if (com->pps.ppsparam.mode & PPS_CAPTUREBOTH) { modem_status = inb(com->modem_status_port); - if ((modem_status ^ com->last_modem_status) & MSR_DCD) { + if ((modem_status ^ com->last_modem_status) & + com->pps_bit) { pps_capture(&com->pps); - pps_event(&com->pps, (modem_status & MSR_DCD) ? + pps_event(&com->pps, + (modem_status & com->ppsbit) ? PPS_CAPTUREASSERT : PPS_CAPTURECLEAR); } } |
