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94 lines
2.5 KiB
94 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2013 Samsung Electronics Co., Ltd. |
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* Tomasz Figa <[email protected]> |
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* Copyright (c) 2004 Simtec Electronics |
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* http://armlinux.simtec.co.uk/ |
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* Written by Ben Dooks, <[email protected]> |
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*/ |
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#ifndef __LINUX_SOC_SAMSUNG_S3C_PM_H |
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#define __LINUX_SOC_SAMSUNG_S3C_PM_H __FILE__ |
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#include <linux/types.h> |
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/* PM debug functions */ |
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/** |
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* struct pm_uart_save - save block for core UART |
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* @ulcon: Save value for S3C2410_ULCON |
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* @ucon: Save value for S3C2410_UCON |
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* @ufcon: Save value for S3C2410_UFCON |
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* @umcon: Save value for S3C2410_UMCON |
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* @ubrdiv: Save value for S3C2410_UBRDIV |
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* |
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* Save block for UART registers to be held over sleep and restored if they |
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* are needed (say by debug). |
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*/ |
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struct pm_uart_save { |
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u32 ulcon; |
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u32 ucon; |
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u32 ufcon; |
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u32 umcon; |
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u32 ubrdiv; |
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u32 udivslot; |
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}; |
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#ifdef CONFIG_SAMSUNG_PM_DEBUG |
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/** |
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* s3c_pm_dbg() - low level debug function for use in suspend/resume. |
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* @msg: The message to print. |
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* |
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* This function is used mainly to debug the resume process before the system |
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* can rely on printk/console output. It uses the low-level debugging output |
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* routine printascii() to do its work. |
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*/ |
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extern void s3c_pm_dbg(const char *msg, ...); |
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#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt) |
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extern void s3c_pm_save_uarts(bool is_s3c24xx); |
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extern void s3c_pm_restore_uarts(bool is_s3c24xx); |
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#ifdef CONFIG_ARCH_S3C64XX |
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extern void s3c_pm_arch_update_uart(void __iomem *regs, |
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struct pm_uart_save *save); |
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#else |
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static inline void |
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s3c_pm_arch_update_uart(void __iomem *regs, struct pm_uart_save *save) |
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{ |
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} |
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#endif |
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#else |
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#define S3C_PMDBG(fmt...) pr_debug(fmt) |
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static inline void s3c_pm_save_uarts(bool is_s3c24xx) { } |
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static inline void s3c_pm_restore_uarts(bool is_s3c24xx) { } |
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#endif |
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/* suspend memory checking */ |
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#ifdef CONFIG_SAMSUNG_PM_CHECK |
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extern void s3c_pm_check_prepare(void); |
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extern void s3c_pm_check_restore(void); |
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extern void s3c_pm_check_cleanup(void); |
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extern void s3c_pm_check_store(void); |
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#else |
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#define s3c_pm_check_prepare() do { } while (0) |
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#define s3c_pm_check_restore() do { } while (0) |
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#define s3c_pm_check_cleanup() do { } while (0) |
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#define s3c_pm_check_store() do { } while (0) |
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#endif |
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/* system device subsystems */ |
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extern struct bus_type s3c2410_subsys; |
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extern struct bus_type s3c2410a_subsys; |
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extern struct bus_type s3c2412_subsys; |
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extern struct bus_type s3c2416_subsys; |
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extern struct bus_type s3c2440_subsys; |
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extern struct bus_type s3c2442_subsys; |
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extern struct bus_type s3c2443_subsys; |
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#endif
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