Move to linux specific directory

2 files changed, 168 insertions, 1 deletions

diff --git a/linux-core/Makefile b/linux-core/Makefile
index 5db549ea..4cd11050 100644
--- a/linux-core/Makefile
+++ b/linux-core/Makefile
@@ -84,7 +84,7 @@ MGASHARED =     mga_dma.c mga_drm.h mga_drv.h mga_irq.c mga_state.c \
 I810HEADERS =   i810_drv.h i810_drm.h $(DRMHEADERS)
 I830HEADERS =   i830_drv.h i830_drm.h $(DRMHEADERS)
 I915HEADERS =   i915_drv.h i915_drm.h $(DRMHEADERS)
-I915SHARED  =   i915_drv.h i915_drm.h i915_irq.c i915_mem.c i915_dma.c i915_pm.c
+I915SHARED  =   i915_drv.h i915_drm.h i915_irq.c i915_mem.c i915_dma.c
 SISHEADERS=     sis_drv.h sis_drm.h $(DRMHEADERS)
 SISSHARED=      sis_drv.h sis_drm.h sis_ds.c sis_ds.h sis_mm.c
 SAVAGEHEADERS=  savage_drv.h savage_drm.h $(DRMHEADERS)
diff --git a/linux-core/i915_pm.c b/linux-core/i915_pm.c
new file mode 100644
index 00000000..e4bda0ce
--- /dev/null
+++ b/linux-core/i915_pm.c
@@ -0,0 +1,167 @@
+/* i915_pm.c -- Power management support for the i915 -*- linux-c -*-
+ */
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#define __NO_VERSION__
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+
+/** 
+ * Set DPMS mode. 
+ */
+static int i915_set_dpms(drm_device_t *dev, int mode)
+{
+	drm_i915_private_t *dev_priv =
+		(drm_i915_private_t *)dev->dev_private;
+	unsigned sr01, adpa, ppcr, dvob, dvoc, lvds;
+	
+	DRM_DEBUG("%s mode=%d\n", __FUNCTION__, mode);
+
+	if (!dev_priv) return 0;
+
+	I915_WRITE( SRX_INDEX, SR01 );
+	sr01 = I915_READ( SRX_DATA );
+
+	adpa = I915_READ( ADPA );
+	ppcr = I915_READ( PPCR );
+	dvoc = I915_READ( DVOC );
+	dvob = I915_READ( DVOB );
+	lvds = I915_READ( LVDS );
+
+	switch(mode) {
+		case 0:
+			/* On */
+			sr01 = dev_priv->sr01;
+			adpa = dev_priv->adpa;
+#if 0
+			I915_WRITE( LVDS, lvds | LVDS_ON ); /* Power on LVDS */
+#endif
+			I915_WRITE( PPCR, dev_priv->ppcr ); /* Power up panel */
+			I915_WRITE( DVOC, dev_priv->dvoc );
+			I915_WRITE( DVOB, dev_priv->dvob );
+			break;
+
+		case 1:
+			/* Standby */
+			sr01 |= SR01_SCREEN_OFF; 
+			adpa = (adpa & ADPA_DPMS_MASK) | ADPA_DPMS_STANDBY;
+			I915_WRITE( PPCR, ppcr & ~PPCR_ON ); /* Power off panel*/
+#if 0
+			I915_WRITE( LVDS, lvds & ~LVDS_ON ); /* Power off LVDS */
+#endif
+			I915_WRITE( DVOC, dvoc & ~DVOC_ON );
+			I915_WRITE( DVOB, dvob & ~DVOB_ON );
+			break;
+
+		case 2:
+			/* Suspend */
+			sr01 |= SR01_SCREEN_OFF; 
+			adpa = (adpa & ADPA_DPMS_MASK) | ADPA_DPMS_SUSPEND;
+			I915_WRITE( PPCR, ppcr & ~PPCR_ON ); /* Power off panel*/
+#if 0
+			I915_WRITE( LVDS, lvds & ~LVDS_ON ); /* Power off LVDS */
+#endif
+			I915_WRITE( DVOC, dvoc & ~DVOC_ON );
+			I915_WRITE( DVOB, dvob & ~DVOB_ON );
+			break;
+
+		case 3:
+			/* Off */
+			sr01 |= SR01_SCREEN_OFF; 
+			adpa = (adpa & ADPA_DPMS_MASK) | ADPA_DPMS_OFF;
+			I915_WRITE( PPCR, ppcr & ~PPCR_ON ); /* Power off panel*/
+#if 0
+			I915_WRITE( LVDS, lvds & ~LVDS_ON ); /* Power off LVDS */
+#endif
+			I915_WRITE( DVOC, dvoc & ~DVOC_ON );
+			I915_WRITE( DVOB, dvob & ~DVOB_ON );
+			break;
+	}
+	
+	I915_WRITE( SRX_DATA, sr01 );
+ 	
+	I915_WRITE( ADPA, adpa );
+
+	return 0;
+}
+
+int i915_suspend( struct pci_dev *pdev, unsigned state ) 
+{
+	drm_device_t *dev = (drm_device_t *)pci_get_drvdata(pdev);
+	drm_i915_private_t *dev_priv =
+		(drm_i915_private_t *)dev->dev_private;
+
+	DRM_DEBUG("%s state=%d\n", __FUNCTION__, state);
+
+	if (!dev_priv) return 0;
+
+	/* Save state for power up later */
+	if (state != 0) {
+		I915_WRITE( SRX_INDEX, SR01 );
+		dev_priv->sr01 = I915_READ( SRX_DATA );
+		dev_priv->dvoc = I915_READ( DVOC );
+		dev_priv->dvob = I915_READ( DVOB );
+		dev_priv->lvds = I915_READ( LVDS );
+		dev_priv->adpa = I915_READ( ADPA );
+		dev_priv->ppcr = I915_READ( PPCR );
+	}
+
+	switch(state) {
+		case 0:
+			/* D0: set DPMS mode on */
+			i915_set_dpms(dev, 0);
+			break;
+		case 1:
+			/* D1: set DPMS mode standby */
+			i915_set_dpms(dev, 1);
+			break;
+		case 2:
+			/* D2: set DPMS mode suspend */
+			i915_set_dpms(dev, 2);
+			break;
+		case 3:
+			/* D3: set DPMS mode off */
+			i915_set_dpms(dev, 3);
+			break;
+	}
+
+	return 0;
+}
+
+int i915_resume( struct pci_dev *pdev ) 
+{
+	drm_device_t *dev = (drm_device_t *)pci_get_drvdata(pdev);
+
+	/* D0: set DPMS mode on */
+	i915_set_dpms(dev, 0);
+
+	return 0;
+}