[src/netbsd-1-5]: src/sys/dev/ic Pull up revisions 1.2-1.3 (requested by skrll):

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

details:   https://anonhg.NetBSD.org/src/rev/eb807b9daa48
branches:  netbsd-1-5
changeset: 491612:eb807b9daa48
user:      he <he%NetBSD.org@localhost>
date:      Thu May 03 20:59:47 2001 +0000

description:
Pull up revisions 1.2-1.3 (requested by skrll):
  Add a driver for the ESS Technology Maestro-1/2/2E AC97 audio chips,
  ES1968 and ES1978.

diffstat:

 sys/dev/ic/ac97var.h |  17 +++++++++++++++--
 1 files changed, 15 insertions(+), 2 deletions(-)

diffs (38 lines):

diff -r 01b0117e2802 -r eb807b9daa48 sys/dev/ic/ac97var.h
--- a/sys/dev/ic/ac97var.h      Thu May 03 20:59:27 2001 +0000
+++ b/sys/dev/ic/ac97var.h      Thu May 03 20:59:47 2001 +0000
@@ -1,5 +1,5 @@
-/*     $NetBSD: ac97var.h,v 1.1 2000/05/15 01:27:45 thorpej Exp $      */
-/*      $OpenBSD: ac97.h,v 1.1 1999/09/19 06:45:12 csapuntz Exp $ */
+/*     $NetBSD: ac97var.h,v 1.1.4.1 2001/05/03 20:59:47 he Exp $       */
+/*     $OpenBSD: ac97.h,v 1.4 2000/07/19 09:01:35 csapuntz Exp $       */
 
 /*
  * Copyright (c) 1999 Constantine Sapuntzakis
@@ -40,6 +40,13 @@
        int (*read)(void *arg, u_int8_t reg, u_int16_t *val);
        int (*write)(void *arg, u_int8_t reg, u_int16_t val);
        void (*reset)(void *arg);
+
+       enum ac97_host_flags {
+               AC97_HOST_DONT_READ = 0x1,
+               AC97_HOST_SWAPPED_CHANNELS = 0x2,       /* l/r is reversed */
+       };
+
+       enum ac97_host_flags (*flags)(void *arg);
 };
 
 /*
@@ -52,6 +59,12 @@
        int (*get_portnum_by_name)(struct ac97_codec_if *addr,
                                      char *class, char *device,
                                      char *qualifier);
+       /*
+        * The AC97 codec driver records the various port settings.  This
+        * function can be used to restore the port settings, e.g. after
+        * resume from a laptop suspend to disk.
+        */
+       void (*restore_ports)(struct ac97_codec_if *addr);
 };
 
 struct ac97_codec_if {