[src/trunk]: src/sys/dev/pci support screen blanking

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

details:   https://anonhg.NetBSD.org/src/rev/04b0fc2e2baf
branches:  trunk
changeset: 822552:04b0fc2e2baf
user:      macallan <macallan%NetBSD.org@localhost>
date:      Fri Mar 24 21:28:03 2017 +0000

description:
support screen blanking

diffstat:

 sys/dev/pci/wcfb.c |  22 +++++++++++++++++-----
 1 files changed, 17 insertions(+), 5 deletions(-)

diffs (58 lines):

diff -r a4205cdeba29 -r 04b0fc2e2baf sys/dev/pci/wcfb.c
--- a/sys/dev/pci/wcfb.c        Fri Mar 24 19:21:06 2017 +0000
+++ b/sys/dev/pci/wcfb.c        Fri Mar 24 21:28:03 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: wcfb.c,v 1.16 2017/03/24 00:52:49 macallan Exp $ */
+/*     $NetBSD: wcfb.c,v 1.17 2017/03/24 21:28:03 macallan Exp $ */
 
 /*
  * Copyright (c) 2007, 2008, 2009 Miodrag Vallat.
@@ -20,7 +20,7 @@
 /* a driver for (some) 3DLabs Wildcat cards, based on OpenBSD's ifb driver */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.16 2017/03/24 00:52:49 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.17 2017/03/24 21:28:03 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -85,7 +85,7 @@
        const struct wsscreen_descr *sc_screens[1];
        struct wsscreen_list sc_screenlist;
        struct vcons_data vd;
-       int sc_mode;
+       int sc_mode, sc_dpms;
        u_char sc_cmap_red[256];
        u_char sc_cmap_green[256];
        u_char sc_cmap_blue[256];
@@ -251,6 +251,7 @@
 
        /* make sure video output is on */
        bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_DPMS_STATE, WC_DPMS_ON);
+       sc->sc_dpms = WSDISPLAYIO_VIDEO_ON;
 
 #if 0
        /* testing & debugging voodoo */
@@ -425,9 +426,20 @@
                return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
                    sc->sc_pcitag, data);
 
-       case WSDISPLAYIO_SMODE: {
-               /*int new_mode = *(int*)data, i;*/
+       case WSDISPLAYIO_SVIDEO: {
+               int new_mode = *(int*)data;
+               if (new_mode != sc->sc_dpms) {
+                       sc->sc_dpms = new_mode;
+                       bus_space_write_4(sc->sc_regt, sc->sc_regh,
+                            WC_DPMS_STATE,
+                            (new_mode == WSDISPLAYIO_VIDEO_ON) ?
+                             WC_DPMS_ON : WC_DPMS_STANDBY);
                }
+               }
+               return 0;
+
+       case WSDISPLAYIO_GVIDEO:
+               *(int*)data = sc->sc_dpms;
                return 0;
 
        case WSDISPLAYIO_GETCMAP: