[src/trunk]: src/sys/dev/i2c add QAM64/256 support

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

details:   https://anonhg.NetBSD.org/src/rev/035a300caddf
branches:  trunk
changeset: 767983:035a300caddf
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Aug 05 20:32:22 2011 +0000

description:
add QAM64/256 support

diffstat:

 sys/dev/i2c/cx24227.c |  27 +++++++++++++++++++++++----
 1 files changed, 23 insertions(+), 4 deletions(-)

diffs (52 lines):

diff -r ca973148451e -r 035a300caddf sys/dev/i2c/cx24227.c
--- a/sys/dev/i2c/cx24227.c     Fri Aug 05 18:59:44 2011 +0000
+++ b/sys/dev/i2c/cx24227.c     Fri Aug 05 20:32:22 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cx24227.c,v 1.2 2011/08/04 22:24:45 jmcneill Exp $ */
+/* $NetBSD: cx24227.c,v 1.3 2011/08/05 20:32:22 jmcneill Exp $ */
 
 /*
  * Copyright (c) 2008, 2011 Jonathan A. Kollasch
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cx24227.c,v 1.2 2011/08/04 22:24:45 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cx24227.c,v 1.3 2011/08/05 20:32:22 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -173,12 +173,31 @@
 {
        printf("%s\n", __func__);
 
+       switch (modulation) {
+       case VSB_8:
+       case QAM_64:
+       case QAM_256:
+       case QAM_AUTO:
+               break;
+       default:
+               return EINVAL;
+       }
+
        /* soft reset */
        cx24227_writereg(sc, 0xf5, 0x0000);
        cx24227_writereg(sc, 0xf5, 0x0001);
 
-       /* 8 VSB */
-       cx24227_writereg(sc, 0xf4, 0x0000);
+       switch (modulation) {
+       case VSB_8:
+               /* VSB8 */
+               cx24227_writereg(sc, 0xf4, 0x0000);
+               break;
+       default:
+               /* QAM */
+               cx24227_writereg(sc, 0xf4, 0x0001);
+               cx24227_writereg(sc, 0x85, 0x0110);
+               break;
+       }
 
        /* soft reset */
        cx24227_writereg(sc, 0xf5, 0x0000);