2 * Copyright 2010 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 * DEALINGS IN THE SOFTWARE.
27 struct opregion_header {
38 struct opregion_apci {
39 /*FIXME: add it later*/
42 struct opregion_swsci {
43 /*FIXME: add it later*/
46 struct opregion_acpi {
47 /*FIXME: add it later*/
50 int psb_intel_opregion_init(struct drm_device *dev)
52 struct drm_psb_private *dev_priv = dev->dev_private;
53 /*struct psb_intel_opregion * opregion = &dev_priv->opregion;*/
58 dev_priv->lid_state = NULL;
60 pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy);
61 if (opregion_phy == 0)
64 base = ioremap(opregion_phy, 8*1024);
68 lid_state = base + 0x01ac;
70 dev_priv->lid_state = lid_state;
71 dev_priv->lid_last_state = *lid_state;