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authorThierry Reding <thierry.reding@avionic-design.de>2012-09-02 11:20:34 +0200
committerThierry Reding <thierry.reding@avionic-design.de>2012-10-05 20:56:42 +0200
commit46a98765133bd880916415d431698797010d4ba8 (patch)
treeaed2b84af8c126bd7a81257447652f38a33fbd9a /arch/mips/jz4740
parent79c11b6fa0b225ac165e79e821d50e70f563645f (diff)
MIPS: JZ4740: Export timer API
This is a prerequisite for allowing the PWM driver to be converted to the PWM framework. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Tested-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/jz4740')
-rw-r--r--arch/mips/jz4740/time.c2
-rw-r--r--arch/mips/jz4740/timer.c4
-rw-r--r--arch/mips/jz4740/timer.h136
3 files changed, 3 insertions, 139 deletions
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
index f83c2dd07a27..39bb4bbf43e7 100644
--- a/arch/mips/jz4740/time.c
+++ b/arch/mips/jz4740/time.c
@@ -20,10 +20,10 @@
#include <linux/clockchips.h>
#include <asm/mach-jz4740/irq.h>
+#include <asm/mach-jz4740/timer.h>
#include <asm/time.h>
#include "clock.h"
-#include "timer.h"
#define TIMER_CLOCKEVENT 0
#define TIMER_CLOCKSOURCE 1
diff --git a/arch/mips/jz4740/timer.c b/arch/mips/jz4740/timer.c
index 654d5c3900b6..22f11d73a17d 100644
--- a/arch/mips/jz4740/timer.c
+++ b/arch/mips/jz4740/timer.c
@@ -17,11 +17,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include "timer.h"
-
#include <asm/mach-jz4740/base.h>
+#include <asm/mach-jz4740/timer.h>
void __iomem *jz4740_timer_base;
+EXPORT_SYMBOL_GPL(jz4740_timer_base);
void jz4740_timer_enable_watchdog(void)
{
diff --git a/arch/mips/jz4740/timer.h b/arch/mips/jz4740/timer.h
deleted file mode 100644
index fca3994f2e6d..000000000000
--- a/arch/mips/jz4740/timer.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 platform timer support
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef __MIPS_JZ4740_TIMER_H__
-#define __MIPS_JZ4740_TIMER_H__
-
-#include <linux/module.h>
-#include <linux/io.h>
-
-#define JZ_REG_TIMER_STOP 0x0C
-#define JZ_REG_TIMER_STOP_SET 0x1C
-#define JZ_REG_TIMER_STOP_CLEAR 0x2C
-#define JZ_REG_TIMER_ENABLE 0x00
-#define JZ_REG_TIMER_ENABLE_SET 0x04
-#define JZ_REG_TIMER_ENABLE_CLEAR 0x08
-#define JZ_REG_TIMER_FLAG 0x10
-#define JZ_REG_TIMER_FLAG_SET 0x14
-#define JZ_REG_TIMER_FLAG_CLEAR 0x18
-#define JZ_REG_TIMER_MASK 0x20
-#define JZ_REG_TIMER_MASK_SET 0x24
-#define JZ_REG_TIMER_MASK_CLEAR 0x28
-
-#define JZ_REG_TIMER_DFR(x) (((x) * 0x10) + 0x30)
-#define JZ_REG_TIMER_DHR(x) (((x) * 0x10) + 0x34)
-#define JZ_REG_TIMER_CNT(x) (((x) * 0x10) + 0x38)
-#define JZ_REG_TIMER_CTRL(x) (((x) * 0x10) + 0x3C)
-
-#define JZ_TIMER_IRQ_HALF(x) BIT((x) + 0x10)
-#define JZ_TIMER_IRQ_FULL(x) BIT(x)
-
-#define JZ_TIMER_CTRL_PWM_ABBRUPT_SHUTDOWN BIT(9)
-#define JZ_TIMER_CTRL_PWM_ACTIVE_LOW BIT(8)
-#define JZ_TIMER_CTRL_PWM_ENABLE BIT(7)
-#define JZ_TIMER_CTRL_PRESCALE_MASK 0x1c
-#define JZ_TIMER_CTRL_PRESCALE_OFFSET 0x3
-#define JZ_TIMER_CTRL_PRESCALE_1 (0 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_4 (1 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_16 (2 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_64 (3 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_256 (4 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_1024 (5 << 3)
-
-#define JZ_TIMER_CTRL_PRESCALER(x) ((x) << JZ_TIMER_CTRL_PRESCALE_OFFSET)
-
-#define JZ_TIMER_CTRL_SRC_EXT BIT(2)
-#define JZ_TIMER_CTRL_SRC_RTC BIT(1)
-#define JZ_TIMER_CTRL_SRC_PCLK BIT(0)
-
-extern void __iomem *jz4740_timer_base;
-void __init jz4740_timer_init(void);
-
-static inline void jz4740_timer_stop(unsigned int timer)
-{
- writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
-}
-
-static inline void jz4740_timer_start(unsigned int timer)
-{
- writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR);
-}
-
-static inline bool jz4740_timer_is_enabled(unsigned int timer)
-{
- return readb(jz4740_timer_base + JZ_REG_TIMER_ENABLE) & BIT(timer);
-}
-
-static inline void jz4740_timer_enable(unsigned int timer)
-{
- writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_SET);
-}
-
-static inline void jz4740_timer_disable(unsigned int timer)
-{
- writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_CLEAR);
-}
-
-
-static inline void jz4740_timer_set_period(unsigned int timer, uint16_t period)
-{
- writew(period, jz4740_timer_base + JZ_REG_TIMER_DFR(timer));
-}
-
-static inline void jz4740_timer_set_duty(unsigned int timer, uint16_t duty)
-{
- writew(duty, jz4740_timer_base + JZ_REG_TIMER_DHR(timer));
-}
-
-static inline void jz4740_timer_set_count(unsigned int timer, uint16_t count)
-{
- writew(count, jz4740_timer_base + JZ_REG_TIMER_CNT(timer));
-}
-
-static inline uint16_t jz4740_timer_get_count(unsigned int timer)
-{
- return readw(jz4740_timer_base + JZ_REG_TIMER_CNT(timer));
-}
-
-static inline void jz4740_timer_ack_full(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR);
-}
-
-static inline void jz4740_timer_irq_full_enable(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR);
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_CLEAR);
-}
-
-static inline void jz4740_timer_irq_full_disable(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_SET);
-}
-
-static inline void jz4740_timer_set_ctrl(unsigned int timer, uint16_t ctrl)
-{
- writew(ctrl, jz4740_timer_base + JZ_REG_TIMER_CTRL(timer));
-}
-
-static inline uint16_t jz4740_timer_get_ctrl(unsigned int timer)
-{
- return readw(jz4740_timer_base + JZ_REG_TIMER_CTRL(timer));
-}
-
-#endif

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