diff options
Diffstat (limited to 'drivers/staging/gma500/psb_powermgmt.h')
| -rw-r--r-- | drivers/staging/gma500/psb_powermgmt.h | 55 |
1 files changed, 13 insertions, 42 deletions
diff --git a/drivers/staging/gma500/psb_powermgmt.h b/drivers/staging/gma500/psb_powermgmt.h index bf6f27af03a8..e005229af798 100644 --- a/drivers/staging/gma500/psb_powermgmt.h +++ b/drivers/staging/gma500/psb_powermgmt.h @@ -24,7 +24,8 @@ * 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_ @@ -32,65 +33,35 @@ #include <linux/pci.h> #include <drm/drmP.h> -#define OSPM_GRAPHICS_ISLAND 0x1 -#define OSPM_VIDEO_ENC_ISLAND 0x2 -#define OSPM_VIDEO_DEC_ISLAND 0x4 -#define OSPM_DISPLAY_ISLAND 0x8 -#define OSPM_GL3_CACHE_ISLAND 0x10 -#define OSPM_ALL_ISLANDS 0x1f - -/* IPC message and command defines used to enable/disable mipi panel voltages */ -#define IPC_MSG_PANEL_ON_OFF 0xE9 -#define IPC_CMD_PANEL_ON 1 -#define IPC_CMD_PANEL_OFF 0 - -typedef enum _UHBUsage -{ - OSPM_UHB_ONLY_IF_ON = 0, - OSPM_UHB_FORCE_POWER_ON, -} UHBUsage; - -/* Use these functions to power down video HW for D0i3 purpose */ - -void ospm_power_init(struct drm_device *dev); -void ospm_power_uninit(void); - +void gma_power_init(struct drm_device *dev); +void gma_power_uninit(struct drm_device *dev); /* - * OSPM will call these functions + * The kernel bus power management will call these functions */ -int ospm_power_suspend(struct pci_dev *pdev, pm_message_t state); -int ospm_power_resume(struct pci_dev *pdev); +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 ospm_power_using_hw_begin(int hw_island, UHBUsage usage); -void ospm_power_using_hw_end(int hw_island); +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 g_state_change_mutex - * is already held such as in irq install/uninstall and you need to - * prevent a deadlock situation. Otherwise use ospm_power_using_hw_begin(). + * 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 ospm_power_is_hw_on(int hw_islands); +bool gma_power_is_on(struct drm_device *dev); /* - * Power up/down different hw component rails/islands - */ -void ospm_power_island_down(int hw_islands); -void ospm_power_island_up(int hw_islands); -void ospm_suspend_graphics(void); -/* * 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); -int ospm_runtime_pm_allow(struct drm_device * dev); -void ospm_runtime_pm_forbid(struct drm_device * dev); - #endif /*_PSB_POWERMGMT_H_*/ |