[src/trunk]: src/sys/dev/usb Implement monitoring of CTS and RI lines. Use U...

[jakllsch <jakllsch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/df82e251154a
branches:  trunk
changeset: 750327:df82e251154a
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Fri Dec 25 03:13:43 2009 +0000

description:
Implement monitoring of CTS and RI lines.  Use UCDC_N_SERIAL_* instead
of RSAQ_STATUS_*, the Linux driver shows that with the exception of CTS,
the PL2303 uses USB CDC bits at byte offset 8 of the interrupt transfer.

To-Do: Handle the other bits, such as BREAK.

diffstat:

 sys/dev/usb/uplcom.c |  16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diffs (45 lines):

diff -r a90042d07166 -r df82e251154a sys/dev/usb/uplcom.c
--- a/sys/dev/usb/uplcom.c      Fri Dec 25 02:33:50 2009 +0000
+++ b/sys/dev/usb/uplcom.c      Fri Dec 25 03:13:43 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uplcom.c,v 1.69 2009/11/12 19:58:27 dyoung Exp $       */
+/*     $NetBSD: uplcom.c,v 1.70 2009/12/25 03:13:43 jakllsch Exp $     */
 /*
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.69 2009/11/12 19:58:27 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.70 2009/12/25 03:13:43 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -74,8 +74,8 @@
 #define        UPLCOM_SET_REQUEST      0x01
 #define        UPLCOM_SET_CRTSCTS_0    0x41
 #define        UPLCOM_SET_CRTSCTS_HX   0x61
-#define RSAQ_STATUS_DSR                0x02
-#define RSAQ_STATUS_DCD                0x01
+
+#define        UPLCOM_N_SERIAL_CTS     0x80
 
 enum  pl2303_type {
        UPLCOM_TYPE_0,  /* we use this for all non-HX variants */
@@ -842,9 +842,13 @@
 
        sc->sc_lsr = sc->sc_msr = 0;
        pstatus = buf[8];
-       if (ISSET(pstatus, RSAQ_STATUS_DSR))
+       if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS))
+               sc->sc_msr |= UMSR_CTS;
+       if (ISSET(pstatus, UCDC_N_SERIAL_RI))
+               sc->sc_msr |= UMSR_RI;
+       if (ISSET(pstatus, UCDC_N_SERIAL_DSR))
                sc->sc_msr |= UMSR_DSR;
-       if (ISSET(pstatus, RSAQ_STATUS_DCD))
+       if (ISSET(pstatus, UCDC_N_SERIAL_DCD))
                sc->sc_msr |= UMSR_DCD;
        ucom_status_change(device_private(sc->sc_subdev));
 }