gma500: move opregion files

We've now sorted them out so they can go into the generic code. In actual
fact only the non MID devices use the functions but they are small and
having the name match i915 is going to help any future merging type work.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 80 insertions, 0 deletions

diff --git a/drivers/staging/gma500/intel_opregion.c b/drivers/staging/gma500/intel_opregion.c
new file mode 100644
index 0000000..8240965
--- /dev/null
+++ b/drivers/staging/gma500/intel_opregion.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2010 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ */
+
+#include "psb_drv.h"
+
+struct opregion_header {
+	u8 signature[16];
+	u32 size;
+	u32 opregion_ver;
+	u8 bios_ver[32];
+	u8 vbios_ver[16];
+	u8 driver_ver[16];
+	u32 mboxes;
+	u8 reserved[164];
+} __packed;
+
+struct opregion_apci {
+	/*FIXME: add it later*/
+} __packed;
+
+struct opregion_swsci {
+	/*FIXME: add it later*/
+} __packed;
+
+struct opregion_acpi {
+	/*FIXME: add it later*/
+} __packed;
+
+int intel_opregion_init(struct drm_device *dev)
+{
+	struct drm_psb_private *dev_priv = dev->dev_private;
+	u32 opregion_phy;
+	void *base;
+	u32 *lid_state;
+
+	dev_priv->lid_state = NULL;
+
+	pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy);
+	if (opregion_phy == 0)
+		return -ENOTSUPP;
+
+	base = ioremap(opregion_phy, 8*1024);
+	if (!base)
+		return -ENOMEM;
+
+	lid_state = base + 0x01ac;
+
+	dev_priv->lid_state = lid_state;
+	dev_priv->lid_last_state = readl(lid_state);
+	return 0;
+}
+
+int intel_opregion_exit(struct drm_device *dev)
+{
+	struct drm_psb_private *dev_priv = dev->dev_private;
+	if (dev_priv->lid_state)
+		iounmap(dev_priv->lid_state);
+	return 0;
+}