156 lines
5.2 KiB
C
156 lines
5.2 KiB
C
/**************************************************************************
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* Copyright (c) 2009, Intel Corporation.
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* All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Benjamin Defnet <benjamin.r.defnet@intel.com>
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* Rajesh Poornachandran <rajesh.poornachandran@intel.com>
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*
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*/
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#ifndef _PSB_POWERMGMT_H_
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#define _PSB_POWERMGMT_H_
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#include <linux/pci.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <linux/intel_mid_pm.h>
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#define OSPM_GRAPHICS_ISLAND APM_GRAPHICS_ISLAND
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#ifndef CONFIG_DRM_VXD_BYT
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#define OSPM_VIDEO_DEC_ISLAND APM_VIDEO_DEC_ISLAND
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#endif
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#define OSPM_VIDEO_ENC_ISLAND APM_VIDEO_ENC_ISLAND
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#define OSPM_GL3_CACHE_ISLAND APM_GL3_CACHE_ISLAND
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#define OSPM_DISPLAY_ISLAND 0x40
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#ifdef CONFIG_MDFD_GL3
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#define OSPM_ALL_ISLANDS ((OSPM_GRAPHICS_ISLAND) |\
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(OSPM_VIDEO_ENC_ISLAND) |\
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(OSPM_VIDEO_DEC_ISLAND) |\
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(OSPM_GL3_CACHE_ISLAND) |\
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(OSPM_DISPLAY_ISLAND))
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#else
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#define OSPM_ALL_ISLANDS ((OSPM_GRAPHICS_ISLAND) |\
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(OSPM_VIDEO_ENC_ISLAND) |\
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(OSPM_VIDEO_DEC_ISLAND) |\
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(OSPM_DISPLAY_ISLAND))
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#endif
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/* IPC message and command defines used to enable/disable mipi panel voltages */
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#define IPC_MSG_PANEL_ON_OFF 0xE9
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#define IPC_CMD_PANEL_ON 1
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#define IPC_CMD_PANEL_OFF 0
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/* Panel presence */
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#define DISPLAY_A 0x1
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#define DISPLAY_B 0x2
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#define DISPLAY_C 0x4
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extern bool gbSuspended;
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extern int lastFailedBrightness;
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extern struct drm_device *gpDrmDevice;
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typedef enum _UHBUsage {
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OSPM_UHB_ONLY_IF_ON = 0,
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OSPM_UHB_FORCE_POWER_ON,
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} UHBUsage;
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struct mdfld_dsi_config;
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void mdfld_save_display(struct drm_device *dev);
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void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on);
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void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on);
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#ifndef CONFIG_DRM_VXD_BYT
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/* extern int psb_check_msvdx_idle(struct drm_device *dev); */
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/* Use these functions to power down video HW for D0i3 purpose */
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void ospm_apm_power_down_msvdx(struct drm_device *dev, int force_on);
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void ospm_apm_power_down_topaz(struct drm_device *dev);
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#endif
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void ospm_power_init(struct drm_device *dev);
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void ospm_post_init(struct drm_device *dev);
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void ospm_power_uninit(void);
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void ospm_subsystem_no_gating(struct drm_device *dev, int subsystem);
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void ospm_subsystem_power_gate(struct drm_device *dev, int subsystem);
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/*
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* OSPM will call these functions
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*/
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int ospm_power_suspend(struct pci_dev *pdev, pm_message_t state);
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int ospm_power_resume(struct pci_dev *pdev);
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/*
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* These are the functions the driver should use to wrap all hw access
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* (i.e. register reads and writes)
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*/
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bool ospm_power_using_hw_begin(int hw_island, UHBUsage usage);
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void ospm_power_using_hw_end(int hw_island);
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#ifndef CONFIG_DRM_VXD_BYT
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bool ospm_power_using_video_begin(int hw_island);
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void ospm_power_using_video_end(int hw_island);
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#endif
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/*
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* Use this function to do an instantaneous check for if the hw is on.
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* Only use this in cases where you know the g_state_change_mutex
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* is already held such as in irq install/uninstall and you need to
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* prevent a deadlock situation. Otherwise use ospm_power_using_hw_begin().
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*/
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bool ospm_power_is_hw_on(int hw_islands);
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/*
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* Power up/down different hw component rails/islands
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*/
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void mdfld_save_display(struct drm_device *dev);
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void ospm_power_island_down(int hw_islands);
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int ospm_power_island_up(int hw_islands);
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void ospm_suspend_graphics(void);
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void ospm_power_graphics_island_down(int hw_islands);
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void ospm_power_graphics_island_up(int hw_islands);
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/*
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* GFX-Runtime PM callbacks
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*/
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int psb_runtime_suspend(struct device *dev);
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int psb_runtime_resume(struct device *dev);
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int psb_runtime_idle(struct device *dev);
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int ospm_runtime_pm_allow(struct drm_device *dev);
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void ospm_runtime_pm_forbid(struct drm_device *dev);
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void acquire_ospm_lock(void);
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void release_ospm_lock(void);
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//ASUS_BSP: [DDS] +++
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#ifdef CONFIG_SUPPORT_DDS_MIPI_SWITCH
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void ospm_resume_display(struct pci_dev *pdev);
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void ospm_suspend_display(struct drm_device *dev);
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#endif
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//ASUS_BSP: [DDS] ---
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/*
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* If vec/ved/gfx are idle, submit a request to execute the subsystem-level
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* idle callback for the device.
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*/
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#ifdef CONFIG_GFX_RTPM
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extern void psb_ospm_post_power_down(void);
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#endif
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#endif /*_PSB_POWERMGMT_H_*/
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