diff options
Diffstat (limited to 'sys/pc98/cbus/sio.c')
| -rw-r--r-- | sys/pc98/cbus/sio.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/pc98/cbus/sio.c b/sys/pc98/cbus/sio.c index 1dc212b..a9213ee 100644 --- a/sys/pc98/cbus/sio.c +++ b/sys/pc98/cbus/sio.c @@ -184,6 +184,7 @@ #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) @@ -341,6 +342,7 @@ 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; @@ -1800,6 +1802,11 @@ 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; @@ -2601,9 +2608,11 @@ more_intr: #endif /* PC98 */ 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->pps_bit) ? PPS_CAPTUREASSERT : PPS_CAPTURECLEAR); } } |
