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r: 187356
b: refs/heads/master
c: 5f3545f
h: refs/heads/master
v: v3
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Kukjin Kim authored and Ben Dooks committed Jan 15, 2010
1 parent 1a6a5ac commit 42bf79e
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: b7db51be43bc8f9943324a00b80e5d034de0a733
refs/heads/master: 5f3545f64a44b2b2dac34141dba23d18cdf40a92
62 changes: 62 additions & 0 deletions trunk/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
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/* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
*
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* Copyright 2009 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* S5P6440 - pwm clock and timer support
*
* 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.
*/

/**
* pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
* @cfg: The timer TCFG1 register bits shifted down to 0.
*
* Return true if the given configuration from TCFG1 is a TCLK instead
* any of the TDIV clocks.
*/
static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
{
return tcfg == S3C2410_TCFG1_MUX_TCLK;
}

/**
* tcfg_to_divisor() - convert tcfg1 setting to a divisor
* @tcfg1: The tcfg1 setting, shifted down.
*
* Get the divisor value for the given tcfg1 setting. We assume the
* caller has already checked to see if this is not a TCLK source.
*/
static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
{
return 1 << (1 + tcfg1);
}

/**
* pwm_tdiv_has_div1() - does the tdiv setting have a /1
*
* Return true if we have a /1 in the tdiv setting.
*/
static inline unsigned int pwm_tdiv_has_div1(void)
{
return 0;
}

/**
* pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
* @div: The divisor to calculate the bit information for.
*
* Turn a divisor into the necessary bit field for TCFG1.
*/
static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
{
return ilog2(div) - 1;
}

#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
24 changes: 24 additions & 0 deletions trunk/arch/arm/mach-s5p6440/include/mach/tick.h
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/* linux/arch/arm/mach-s5p6440/include/mach/tick.h
*
* Copyright (c) 2009 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* S5P6440 - Timer tick support definitions
*
* 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.
*/

#ifndef __ASM_ARCH_TICK_H
#define __ASM_ARCH_TICK_H __FILE__

static inline u32 s3c24xx_ostimer_pending(void)
{
u32 pend = __raw_readl(S5P_VA_VIC0 + VIC_RAW_STATUS);
return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
}

#define TICK_MAX (0xffffffff)

#endif /* __ASM_ARCH_TICK_H */

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