[src/netbsd-1-5]: src/sys/arch/hpcmips/dev Pull up revisions 1.8-1.10 (reques...

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

details:   https://anonhg.NetBSD.org/src/rev/cb000050bc44
branches:  netbsd-1-5
changeset: 488897:cb000050bc44
user:      takemura <takemura%NetBSD.org@localhost>
date:      Sun Aug 06 04:10:03 2000 +0000

description:
Pull up revisions 1.8-1.10 (requested by takemura)

Add power management hook.

diffstat:

 sys/arch/hpcmips/dev/bivideo.c |  48 +++++++++++++++++++++++++++++++++++++++--
 1 files changed, 45 insertions(+), 3 deletions(-)

diffs (106 lines):

diff -r eae01cebca1a -r cb000050bc44 sys/arch/hpcmips/dev/bivideo.c
--- a/sys/arch/hpcmips/dev/bivideo.c    Sun Aug 06 04:06:49 2000 +0000
+++ b/sys/arch/hpcmips/dev/bivideo.c    Sun Aug 06 04:10:03 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bivideo.c,v 1.6.4.1 2000/06/30 16:27:24 simonb Exp $   */
+/*     $NetBSD: bivideo.c,v 1.6.4.2 2000/08/06 04:10:03 takemura Exp $ */
 
 /*-
  * Copyright (c) 1999
@@ -37,7 +37,7 @@
 static const char _copyright[] __attribute__ ((unused)) =
     "Copyright (c) 1999 Shin Takemura.  All rights reserved.";
 static const char _rcsid[] __attribute__ ((unused)) =
-    "$Id: bivideo.c,v 1.6.4.1 2000/06/30 16:27:24 simonb Exp $";
+    "$Id: bivideo.c,v 1.6.4.2 2000/08/06 04:10:03 takemura Exp $";
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -55,6 +55,7 @@
 #include <machine/bootinfo.h>
 #include <machine/platid.h>
 #include <machine/platid_mask.h>
+#include <machine/config_hook.h>
 
 #include <dev/wscons/wsconsio.h>
 #include <dev/wscons/wsdisplayvar.h>
@@ -67,6 +68,11 @@
 #include <arch/hpcmips/dev/hpccmapvar.h>
 
 /*
+ *  global variables
+ */
+int bivideo_dont_attach = 0;
+
+/*
  *  function prototypes
  */
 int    bivideomatch __P((struct device *, struct cfdata *, void *));
@@ -78,8 +84,11 @@
        struct device           sc_dev;
        struct hpcfb_fbconf     sc_fbconf;
        struct hpcfb_dspconf    sc_dspconf;
+       void                    *sc_powerhook;  /* power management hook */
+       int                     sc_powerstate;
 };
 static int bivideo_init __P((struct hpcfb_fbconf *fb));
+static void bivideo_power __P((int, void *));
 
 /*
  *  static variables
@@ -105,7 +114,8 @@
 {
        struct mainbus_attach_args *ma = aux;
     
-       if (strcmp(ma->ma_name, match->cf_driver->cd_name))
+       if (bivideo_dont_attach ||
+           strcmp(ma->ma_name, match->cf_driver->cd_name))
                return 0;
 
        return (1);
@@ -132,6 +142,13 @@
        }
        printf("\n");
 
+       /* Add a suspend hook to power saving */
+       sc->sc_powerstate = 1;
+       sc->sc_powerhook = powerhook_establish(bivideo_power, sc);
+       if (sc->sc_powerhook == NULL)
+               printf("%s: WARNING: unable to establish power hook\n",
+                       sc->sc_dev.dv_xname);
+
        ha.ha_console = console_flag;
        ha.ha_accessops = &bivideo_ha;
        ha.ha_accessctx = sc;
@@ -266,6 +283,31 @@
        return (0); /* no error */
 }
 
+static void 
+bivideo_power(why, arg)
+       int why;
+       void *arg;
+{
+       struct bivideo_softc *sc = arg;
+
+       switch (why) {
+       case PWR_SUSPEND:
+       case PWR_STANDBY:
+               sc->sc_powerstate = 0;
+               break;
+       case PWR_RESUME:
+               sc->sc_powerstate = 1;
+               break;
+       }
+
+       config_hook_call(CONFIG_HOOK_POWERCONTROL,
+                        CONFIG_HOOK_POWERCONTROL_LCD,
+                        (void*)sc->sc_powerstate);
+       config_hook_call(CONFIG_HOOK_POWERCONTROL,
+                        CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
+                        (void*)sc->sc_powerstate);
+}
+
 int
 bivideo_ioctl(v, cmd, data, flag, p)
        void *v;