Define ws_get/set_param for macppc using ofw brightness and backlight

commands.  Fixes wsconsctl display commands with drm drivers.

ok kettenis@

1 files changed, 63 insertions, 1 deletions

diff --git a/sys/arch/macppc/macppc/ofw_machdep.c b/sys/arch/macppc/macppc/ofw_machdep.c
index 42542bea79d..d91007f9d14 100644
--- a/sys/arch/macppc/macppc/ofw_machdep.c
+++ b/sys/arch/macppc/macppc/ofw_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ofw_machdep.c,v 1.59 2020/05/25 09:55:48 jsg Exp $	*/
+/*	$OpenBSD: ofw_machdep.c,v 1.60 2020/10/26 22:02:38 tobhe Exp $	*/
 /*	$NetBSD: ofw_machdep.c,v 1.1 1996/09/30 16:34:50 ws Exp $	*/
 
 /*
@@ -61,6 +61,7 @@
 #endif
 
 #if NWSDISPLAY > 0
+#include <dev/wscons/wsconsio.h>
 #include <dev/wscons/wsdisplayvar.h>
 #include <dev/rasops/rasops.h>
 #endif
@@ -108,6 +109,9 @@ int	save_ofw_mapping(void);
 void	ofw_consinit(int);
 void	ofw_read_mem_regions(int, int, int);
 
+int	ofw_set_param(struct wsdisplay_param *);
+int	ofw_get_param(struct wsdisplay_param *);
+
 /*
  * This is called during initppc, before the system is really initialized.
  * It shall provide the total and the available regions of RAM.
@@ -267,6 +271,7 @@ save_ofw_mapping(void)
 }
 
 static int display_ofh;
+int cons_backlight;
 int cons_brightness;
 int cons_backlight_available;
 int fbnode;
@@ -472,6 +477,11 @@ of_display_console(void)
 	if (OF_getnodebyname(0, "backlight") != 0) {
 		cons_backlight_available = 1;
 		cons_brightness = MAX_BRIGHTNESS;
+		cons_backlight = WSDISPLAYIO_VIDEO_ON;
+	
+		/* wsconsctl hooks */
+		ws_get_param = ofw_get_param;
+		ws_set_param = ofw_set_param;
 	}
 
 #if 1
@@ -536,6 +546,8 @@ of_setbacklight(int on)
 	if (cons_backlight_available == 0)
 		return;
 
+	cons_backlight = on;
+
 	if (on)
 		OF_call_method_1("backlight-on", display_ofh, 0);
 	else
@@ -637,3 +649,53 @@ ofw_consinit(int chosen)
 	cn_tab = cp;
 }
 
+int
+ofw_set_param(struct wsdisplay_param *dp)
+{
+	switch (dp->param) {
+	case WSDISPLAYIO_PARAM_BRIGHTNESS:
+		if (cons_backlight_available != 0) {
+			of_setbrightness(dp->curval);
+			return 0;
+		}
+		break;
+	case WSDISPLAYIO_PARAM_BACKLIGHT:
+		if (cons_backlight_available != 0) {
+			of_setbacklight(dp->curval ? WSDISPLAYIO_VIDEO_ON
+			    : WSDISPLAYIO_VIDEO_OFF);
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return -1;
+}
+
+int
+ofw_get_param(struct wsdisplay_param *dp)
+{
+	switch (dp->param) {
+	case WSDISPLAYIO_PARAM_BRIGHTNESS:
+		if (cons_backlight_available != 0) {
+			dp->min = MIN_BRIGHTNESS;
+			dp->max = MAX_BRIGHTNESS;
+			dp->curval = cons_brightness;
+			return 0;
+		}
+		break;
+	case WSDISPLAYIO_PARAM_BACKLIGHT:
+		if (cons_backlight_available != 0) {
+			dp->min = 0;
+			dp->max = 1;
+			dp->curval = cons_backlight;
+			return 0;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 1;
+}