cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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s3c-pm.h (2525B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
      4 *	Tomasz Figa <t.figa@samsung.com>
      5 * Copyright (c) 2004 Simtec Electronics
      6 *	http://armlinux.simtec.co.uk/
      7 *	Written by Ben Dooks, <ben@simtec.co.uk>
      8 */
      9
     10#ifndef __LINUX_SOC_SAMSUNG_S3C_PM_H
     11#define __LINUX_SOC_SAMSUNG_S3C_PM_H __FILE__
     12
     13#include <linux/types.h>
     14
     15/* PM debug functions */
     16
     17/**
     18 * struct pm_uart_save - save block for core UART
     19 * @ulcon: Save value for S3C2410_ULCON
     20 * @ucon: Save value for S3C2410_UCON
     21 * @ufcon: Save value for S3C2410_UFCON
     22 * @umcon: Save value for S3C2410_UMCON
     23 * @ubrdiv: Save value for S3C2410_UBRDIV
     24 *
     25 * Save block for UART registers to be held over sleep and restored if they
     26 * are needed (say by debug).
     27*/
     28struct pm_uart_save {
     29	u32	ulcon;
     30	u32	ucon;
     31	u32	ufcon;
     32	u32	umcon;
     33	u32	ubrdiv;
     34	u32	udivslot;
     35};
     36
     37#ifdef CONFIG_SAMSUNG_PM_DEBUG
     38/**
     39 * s3c_pm_dbg() - low level debug function for use in suspend/resume.
     40 * @msg: The message to print.
     41 *
     42 * This function is used mainly to debug the resume process before the system
     43 * can rely on printk/console output. It uses the low-level debugging output
     44 * routine printascii() to do its work.
     45 */
     46extern void s3c_pm_dbg(const char *msg, ...);
     47
     48#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt)
     49
     50extern void s3c_pm_save_uarts(bool is_s3c24xx);
     51extern void s3c_pm_restore_uarts(bool is_s3c24xx);
     52
     53#ifdef CONFIG_ARCH_S3C64XX
     54extern void s3c_pm_arch_update_uart(void __iomem *regs,
     55				    struct pm_uart_save *save);
     56#else
     57static inline void
     58s3c_pm_arch_update_uart(void __iomem *regs, struct pm_uart_save *save)
     59{
     60}
     61#endif
     62
     63#else
     64#define S3C_PMDBG(fmt...) pr_debug(fmt)
     65
     66static inline void s3c_pm_save_uarts(bool is_s3c24xx) { }
     67static inline void s3c_pm_restore_uarts(bool is_s3c24xx) { }
     68#endif
     69
     70/* suspend memory checking */
     71
     72#ifdef CONFIG_SAMSUNG_PM_CHECK
     73extern void s3c_pm_check_prepare(void);
     74extern void s3c_pm_check_restore(void);
     75extern void s3c_pm_check_cleanup(void);
     76extern void s3c_pm_check_store(void);
     77#else
     78#define s3c_pm_check_prepare() do { } while (0)
     79#define s3c_pm_check_restore() do { } while (0)
     80#define s3c_pm_check_cleanup() do { } while (0)
     81#define s3c_pm_check_store()   do { } while (0)
     82#endif
     83
     84/* system device subsystems */
     85
     86extern struct bus_type s3c2410_subsys;
     87extern struct bus_type s3c2410a_subsys;
     88extern struct bus_type s3c2412_subsys;
     89extern struct bus_type s3c2416_subsys;
     90extern struct bus_type s3c2440_subsys;
     91extern struct bus_type s3c2442_subsys;
     92extern struct bus_type s3c2443_subsys;
     93
     94#endif