/*
* OMAP Dual - Mode Timers
*
* Copyright ( C ) 2010 Texas Instruments Incorporated - https : //www.ti.com/
* Tarun Kanti DebBarma < tarun . kanti @ ti . com >
* Thara Gopinath < thara @ ti . com >
*
* Platform device conversion and hwmod support .
*
* Copyright ( C ) 2005 Nokia Corporation
* Author : Lauri Leukkunen < lauri . leukkunen @ nokia . com >
* PWM and clock framwork support by Timo Teras .
*
* 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 .
*/
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#ifndef __CLOCKSOURCE_DMTIMER_H
#define __CLOCKSOURCE_DMTIMER_H
/* clock sources */
#define OMAP_TIMER_SRC_SYS_CLK 0 x00
#define OMAP_TIMER_SRC_32_KHZ 0 x01
#define OMAP_TIMER_SRC_EXT_CLK 0 x02
/* 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 )
/* trigger types */
#define OMAP_TIMER_TRIGGER_NONE 0 x00
#define OMAP_TIMER_TRIGGER_OVERFLOW 0 x01
#define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0 x02
/* timer capabilities used in hwmod database */
#define OMAP_TIMER_SECURE 0 x80000000
#define OMAP_TIMER_ALWON 0 x40000000
#define OMAP_TIMER_HAS_PWM 0 x20000000
#define OMAP_TIMER_NEEDS_RESET 0 x10000000
#define OMAP_TIMER_HAS_DSP_IRQ 0 x08000000
struct omap_dm_timer {
};
u32 omap_dm_timer_modify_idlect_mask(u32 inputmask);
/*
* Do not use the defines below , they are not needed . They should be only
* used by dmtimer . c and sys_timer related code .
*/
/*
* The interrupt registers are different between v1 and v2 ip .
* These registers are offsets from timer - > iobase .
*/
#define OMAP_TIMER_ID_OFFSET 0 x00
#define OMAP_TIMER_OCP_CFG_OFFSET 0 x10
#define OMAP_TIMER_V1_SYS_STAT_OFFSET 0 x14
#define OMAP_TIMER_V1_STAT_OFFSET 0 x18
#define OMAP_TIMER_V1_INT_EN_OFFSET 0 x1c
#define OMAP_TIMER_V2_IRQSTATUS_RAW 0 x24
#define OMAP_TIMER_V2_IRQSTATUS 0 x28
#define OMAP_TIMER_V2_IRQENABLE_SET 0 x2c
#define OMAP_TIMER_V2_IRQENABLE_CLR 0 x30
/*
* The functional registers have a different base on v1 and v2 ip .
* These registers are offsets from timer - > func_base . The func_base
* is samae as io_base for v1 and io_base + 0 x14 for v2 ip .
*
*/
#define OMAP_TIMER_V2_FUNC_OFFSET 0 x14
#define _OMAP_TIMER_WAKEUP_EN_OFFSET 0 x20
#define _OMAP_TIMER_CTRL_OFFSET 0 x24
#define OMAP_TIMER_CTRL_GPOCFG (1 << 14 )
#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13 )
#define OMAP_TIMER_CTRL_PT (1 << 12 )
#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0 x1 << 8 )
#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0 x2 << 8 )
#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0 x3 << 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 /* prescaler value shift */
#define OMAP_TIMER_CTRL_POSTED (1 << 2 )
#define OMAP_TIMER_CTRL_AR (1 << 1 ) /* auto-reload enable */
#define OMAP_TIMER_CTRL_ST (1 << 0 ) /* start timer */
#define _OMAP_TIMER_COUNTER_OFFSET 0 x28
#define _OMAP_TIMER_LOAD_OFFSET 0 x2c
#define _OMAP_TIMER_TRIGGER_OFFSET 0 x30
#define _OMAP_TIMER_WRITE_PEND_OFFSET 0 x34
#define WP_NONE 0 /* no write pending bit */
#define WP_TCLR (1 << 0 )
#define WP_TCRR (1 << 1 )
#define WP_TLDR (1 << 2 )
#define WP_TTGR (1 << 3 )
#define WP_TMAR (1 << 4 )
#define WP_TPIR (1 << 5 )
#define WP_TNIR (1 << 6 )
#define WP_TCVR (1 << 7 )
#define WP_TOCR (1 << 8 )
#define WP_TOWR (1 << 9 )
#define _OMAP_TIMER_MATCH_OFFSET 0 x38
#define _OMAP_TIMER_CAPTURE_OFFSET 0 x3c
#define _OMAP_TIMER_IF_CTRL_OFFSET 0 x40
#define _OMAP_TIMER_CAPTURE2_OFFSET 0 x44 /* TCAR2, 34xx only */
#define _OMAP_TIMER_TICK_POS_OFFSET 0 x48 /* TPIR, 34xx only */
#define _OMAP_TIMER_TICK_NEG_OFFSET 0 x4c /* TNIR, 34xx only */
#define _OMAP_TIMER_TICK_COUNT_OFFSET 0 x50 /* TCVR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0 x54 /* TOCR, 34xx only */
#define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0 x58 /* TOWR, 34xx only */
#endif /* __CLOCKSOURCE_DMTIMER_H */
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