91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/*
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* include/linux/platform_data/pwm_omap_dmtimer.h
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*
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* OMAP Dual-Mode Timer PWM platform data
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*
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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* Tarun Kanti DebBarma <tarun.kanti@ti.com>
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* Thara Gopinath <thara@ti.com>
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*
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* Platform device conversion and hwmod support.
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*
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* Copyright (C) 2005 Nokia Corporation
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* Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
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* PWM and clock framework support by Timo Teras.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __PWM_OMAP_DMTIMER_PDATA_H
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#define __PWM_OMAP_DMTIMER_PDATA_H
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/* clock sources */
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#define PWM_OMAP_DMTIMER_SRC_SYS_CLK 0x00
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#define PWM_OMAP_DMTIMER_SRC_32_KHZ 0x01
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#define PWM_OMAP_DMTIMER_SRC_EXT_CLK 0x02
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/* timer interrupt enable bits */
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#define PWM_OMAP_DMTIMER_INT_CAPTURE (1 << 2)
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#define PWM_OMAP_DMTIMER_INT_OVERFLOW (1 << 1)
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#define PWM_OMAP_DMTIMER_INT_MATCH (1 << 0)
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/* trigger types */
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#define PWM_OMAP_DMTIMER_TRIGGER_NONE 0x00
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#define PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW 0x01
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#define PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02
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struct omap_dm_timer;
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typedef struct omap_dm_timer pwm_omap_dmtimer;
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struct pwm_omap_dmtimer_pdata {
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pwm_omap_dmtimer *(*request_by_node)(struct device_node *np);
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pwm_omap_dmtimer *(*request_specific)(int timer_id);
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pwm_omap_dmtimer *(*request)(void);
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int (*free)(pwm_omap_dmtimer *timer);
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void (*enable)(pwm_omap_dmtimer *timer);
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void (*disable)(pwm_omap_dmtimer *timer);
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int (*get_irq)(pwm_omap_dmtimer *timer);
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int (*set_int_enable)(pwm_omap_dmtimer *timer, unsigned int value);
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int (*set_int_disable)(pwm_omap_dmtimer *timer, u32 mask);
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struct clk *(*get_fclk)(pwm_omap_dmtimer *timer);
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int (*start)(pwm_omap_dmtimer *timer);
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int (*stop)(pwm_omap_dmtimer *timer);
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int (*set_source)(pwm_omap_dmtimer *timer, int source);
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int (*set_load)(pwm_omap_dmtimer *timer, int autoreload,
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unsigned int value);
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int (*set_match)(pwm_omap_dmtimer *timer, int enable,
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unsigned int match);
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int (*set_pwm)(pwm_omap_dmtimer *timer, int def_on,
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int toggle, int trigger);
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int (*set_prescaler)(pwm_omap_dmtimer *timer, int prescaler);
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unsigned int (*read_counter)(pwm_omap_dmtimer *timer);
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int (*write_counter)(pwm_omap_dmtimer *timer, unsigned int value);
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unsigned int (*read_status)(pwm_omap_dmtimer *timer);
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int (*write_status)(pwm_omap_dmtimer *timer, unsigned int value);
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};
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#endif /* __PWM_OMAP_DMTIMER_PDATA_H */
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