diff options
author | Alan Cox <alan@linux.intel.com> | 2011-07-05 15:43:53 +0100 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-05 08:20:44 -0700 |
commit | 4bc5925315cee9b9f3d2b07dc8b692978be1d418 (patch) | |
tree | eab5048ae5e40e63ed0e102a230163bd2bf83375 /drivers/staging/gma500/power.h | |
parent | 0cc729bf215ff038d9b9480253f065af69a1f0a3 (diff) | |
download | op-kernel-dev-4bc5925315cee9b9f3d2b07dc8b692978be1d418.zip op-kernel-dev-4bc5925315cee9b9f3d2b07dc8b692978be1d418.tar.gz |
gma500: move the power header
At this point we now have the file naming making somewhat more sense
although the dependancies are not as clean as would be ideal
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/gma500/power.h')
-rw-r--r-- | drivers/staging/gma500/power.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/staging/gma500/power.h b/drivers/staging/gma500/power.h new file mode 100644 index 0000000..333b28d --- /dev/null +++ b/drivers/staging/gma500/power.h @@ -0,0 +1,67 @@ +/************************************************************************** + * Copyright (c) 2009-2011, Intel Corporation. + * 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, 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. + * + * Authors: + * Benjamin Defnet <benjamin.r.defnet@intel.com> + * Rajesh Poornachandran <rajesh.poornachandran@intel.com> + * Massively reworked + * Alan Cox <alan@linux.intel.com> + */ +#ifndef _PSB_POWERMGMT_H_ +#define _PSB_POWERMGMT_H_ + +#include <linux/pci.h> +#include <drm/drmP.h> + +void gma_power_init(struct drm_device *dev); +void gma_power_uninit(struct drm_device *dev); + +/* + * The kernel bus power management will call these functions + */ +int gma_power_suspend(struct pci_dev *pdev, pm_message_t state); +int gma_power_resume(struct pci_dev *pdev); + +/* + * These are the functions the driver should use to wrap all hw access + * (i.e. register reads and writes) + */ +bool gma_power_begin(struct drm_device *dev, bool force); +void gma_power_end(struct drm_device *dev); + +/* + * Use this function to do an instantaneous check for if the hw is on. + * Only use this in cases where you know the mutex is already held such + * as in irq install/uninstall and you need to + * prevent a deadlock situation. Otherwise use gma_power_begin(). + */ +bool gma_power_is_on(struct drm_device *dev); + +/* + * GFX-Runtime PM callbacks + */ +int psb_runtime_suspend(struct device *dev); +int psb_runtime_resume(struct device *dev); +int psb_runtime_idle(struct device *dev); + +#endif /*_PSB_POWERMGMT_H_*/ |