diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/omap_device.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap_device.h | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h deleted file mode 100644 index 106f50665804..000000000000 --- a/arch/arm/plat-omap/include/plat/omap_device.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * omap_device headers - * - * Copyright (C) 2009 Nokia Corporation - * Paul Walmsley - * - * Developed in collaboration with (alphabetical order): Benoit - * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram - * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard - * Woodruff - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Eventually this type of functionality should either be - * a) implemented via arch-specific pointers in platform_device - * or - * b) implemented as a proper omap_bus/omap_device in Linux, no more - * platform_device - * - * omap_device differs from omap_hwmod in that it includes external - * (e.g., board- and system-level) integration details. omap_hwmod - * stores hardware data that is invariant for a given OMAP chip. - * - * To do: - * - GPIO integration - * - regulator integration - * - */ -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H - -#include <linux/kernel.h> -#include <linux/platform_device.h> - -#include <plat/omap_hwmod.h> - -extern struct dev_pm_domain omap_device_pm_domain; - -/* omap_device._state values */ -#define OMAP_DEVICE_STATE_UNKNOWN 0 -#define OMAP_DEVICE_STATE_ENABLED 1 -#define OMAP_DEVICE_STATE_IDLE 2 -#define OMAP_DEVICE_STATE_SHUTDOWN 3 - -/* omap_device.flags values */ -#define OMAP_DEVICE_SUSPENDED BIT(0) -#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1) - -/** - * struct omap_device - omap_device wrapper for platform_devices - * @pdev: platform_device - * @hwmods: (one .. many per omap_device) - * @hwmods_cnt: ARRAY_SIZE() of @hwmods - * @pm_lats: ptr to an omap_device_pm_latency table - * @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats - * @pm_lat_level: array index of the last odpl entry executed - -1 if never - * @dev_wakeup_lat: dev wakeup latency in nanoseconds - * @_dev_wakeup_lat_limit: dev wakeup latency limit in nsec - set by OMAP PM - * @_state: one of OMAP_DEVICE_STATE_* (see above) - * @flags: device flags - * @_driver_status: one of BUS_NOTIFY_*_DRIVER from <linux/device.h> - * - * Integrates omap_hwmod data into Linux platform_device. - * - * Field names beginning with underscores are for the internal use of - * the omap_device code. - * - */ -struct omap_device { - struct platform_device *pdev; - struct omap_hwmod **hwmods; - struct omap_device_pm_latency *pm_lats; - u32 dev_wakeup_lat; - u32 _dev_wakeup_lat_limit; - unsigned long _driver_status; - u8 pm_lats_cnt; - s8 pm_lat_level; - u8 hwmods_cnt; - u8 _state; - u8 flags; -}; - -/* Device driver interface (call via platform_data fn ptrs) */ - -int omap_device_enable(struct platform_device *pdev); -int omap_device_idle(struct platform_device *pdev); -int omap_device_shutdown(struct platform_device *pdev); - -/* Core code interface */ - -struct platform_device *omap_device_build(const char *pdev_name, int pdev_id, - struct omap_hwmod *oh, void *pdata, - int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); - -struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **oh, int oh_cnt, - void *pdata, int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); - -struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt); -void omap_device_delete(struct omap_device *od); -int omap_device_register(struct platform_device *pdev); - -void __iomem *omap_device_get_rt_va(struct omap_device *od); -struct device *omap_device_get_by_hwmod_name(const char *oh_name); - -/* OMAP PM interface */ -int omap_device_align_pm_lat(struct platform_device *pdev, - u32 new_wakeup_lat_limit); -struct powerdomain *omap_device_get_pwrdm(struct omap_device *od); -int omap_device_get_context_loss_count(struct platform_device *pdev); - -/* Other */ - -int omap_device_assert_hardreset(struct platform_device *pdev, - const char *name); -int omap_device_deassert_hardreset(struct platform_device *pdev, - const char *name); -int omap_device_idle_hwmods(struct omap_device *od); -int omap_device_enable_hwmods(struct omap_device *od); - -int omap_device_disable_clocks(struct omap_device *od); -int omap_device_enable_clocks(struct omap_device *od); - -/* - * Entries should be kept in latency order ascending - * - * deact_lat is the maximum number of microseconds required to complete - * deactivate_func() at the device's slowest OPP. - * - * act_lat is the maximum number of microseconds required to complete - * activate_func() at the device's slowest OPP. - * - * This will result in some suboptimal power management decisions at fast - * OPPs, but avoids having to recompute all device power management decisions - * if the system shifts from a fast OPP to a slow OPP (in order to meet - * latency requirements). - * - * XXX should deactivate_func/activate_func() take platform_device pointers - * rather than omap_device pointers? - */ -struct omap_device_pm_latency { - u32 deactivate_lat; - u32 deactivate_lat_worst; - int (*deactivate_func)(struct omap_device *od); - u32 activate_lat; - u32 activate_lat_worst; - int (*activate_func)(struct omap_device *od); - u32 flags; -}; - -#define OMAP_DEVICE_LATENCY_AUTO_ADJUST BIT(1) - -/* Get omap_device pointer from platform_device pointer */ -static inline struct omap_device *to_omap_device(struct platform_device *pdev) -{ - return pdev ? pdev->archdata.od : NULL; -} - -static inline -void omap_device_disable_idle_on_suspend(struct platform_device *pdev) -{ - struct omap_device *od = to_omap_device(pdev); - - od->flags |= OMAP_DEVICE_NO_IDLE_ON_SUSPEND; -} - -#endif |