You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
3.6 KiB
92 lines
3.6 KiB
/*
|
|
* linux/include/asm-arm/arm/arch-omap/dmtimer.h
|
|
*
|
|
* OMAP Dual-Mode Timers
|
|
*
|
|
* Copyright (C) 2005 Nokia Corporation
|
|
* Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
|
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* 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 __ASM_ARCH_TIMER_H
|
|
#define __ASM_ARCH_TIMER_H
|
|
|
|
#include <linux/list.h>
|
|
|
|
#define OMAP_TIMER_SRC_ARMXOR 0x00
|
|
#define OMAP_TIMER_SRC_32_KHZ 0x01
|
|
#define OMAP_TIMER_SRC_EXT_CLK 0x02
|
|
|
|
/* timer control reg bits */
|
|
#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
|
|
#define OMAP_TIMER_CTRL_PT (1 << 12)
|
|
#define OMAP_TIMER_CTRL_TRG_OVERFLOW (0x1 << 10)
|
|
#define OMAP_TIMER_CTRL_TRG_OFANDMATCH (0x2 << 10)
|
|
#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
|
|
#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
|
|
#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
|
|
#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
|
|
#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
|
|
#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
|
|
#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* how much to shift the prescaler value */
|
|
#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
|
|
#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
|
|
|
|
/* timer interrupt enable bits */
|
|
#define OMAP_TIMER_INT_CAPTURE (1 << 2)
|
|
#define OMAP_TIMER_INT_OVERFLOW (1 << 1)
|
|
#define OMAP_TIMER_INT_MATCH (1 << 0)
|
|
|
|
|
|
struct omap_dm_timer {
|
|
struct list_head timer_list;
|
|
|
|
u32 base;
|
|
unsigned int irq;
|
|
};
|
|
|
|
u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg);
|
|
void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value);
|
|
|
|
struct omap_dm_timer * omap_dm_timer_request(void);
|
|
void omap_dm_timer_free(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
|
|
|
|
void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value);
|
|
void omap_dm_timer_set_trigger(struct omap_dm_timer *timer, unsigned int value);
|
|
void omap_dm_timer_enable_compare(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_enable_autoreload(struct omap_dm_timer *timer);
|
|
|
|
void omap_dm_timer_trigger(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_start(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_stop(struct omap_dm_timer *timer);
|
|
|
|
void omap_dm_timer_set_load(struct omap_dm_timer *timer, unsigned int load);
|
|
void omap_dm_timer_set_match(struct omap_dm_timer *timer, unsigned int match);
|
|
|
|
unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value);
|
|
|
|
unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer);
|
|
void omap_dm_timer_reset_counter(struct omap_dm_timer *timer);
|
|
|
|
int omap_dm_timers_active(void);
|
|
|
|
#endif /* __ASM_ARCH_TIMER_H */
|
|
|