From e656655a361acf73c5652fcef8cf6ba61dfe7a50 Mon Sep 17 00:00:00 2001
From: Eric Anholt <anholt@freebsd.org>
Date: Wed, 30 Oct 2002 06:10:34 +0000
Subject: Kernel support for vblank syncing on Rage 128 and Matrox.

---
 shared/r128_state.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'shared/r128_state.c')

diff --git a/shared/r128_state.c b/shared/r128_state.c
index 6ae58639..68f73061 100644
--- a/shared/r128_state.c
+++ b/shared/r128_state.c
@@ -1564,3 +1564,36 @@ int r128_cce_indirect( DRM_IOCTL_ARGS )
 
 	return 0;
 }
+
+int r128_getparam( DRM_IOCTL_ARGS )
+{
+	DRM_DEVICE;
+	drm_r128_private_t *dev_priv = dev->dev_private;
+	drm_r128_getparam_t param;
+	int value;
+
+	if ( !dev_priv ) {
+		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+		return DRM_ERR(EINVAL);
+	}
+
+	DRM_COPY_FROM_USER_IOCTL( param, (drm_r128_getparam_t *)data,
+			     sizeof(param) );
+
+	DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
+
+	switch( param.param ) {
+	case R128_PARAM_IRQ_NR:
+		value = dev->irq;
+		break;
+	default:
+		return DRM_ERR(EINVAL);
+	}
+
+	if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) {
+		DRM_ERROR( "copy_to_user\n" );
+		return DRM_ERR(EFAULT);
+	}
+	
+	return 0;
+}
-- 
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