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timer-ti-dm.h
/* * 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 0x00 #define OMAP_TIMER_SRC_32_KHZ 0x01 #define OMAP_TIMER_SRC_EXT_CLK 0x02 /* 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 0x00 #define OMAP_TIMER_TRIGGER_OVERFLOW 0x01 #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02 /* timer capabilities used in hwmod database */ #define OMAP_TIMER_SECURE 0x80000000 #define OMAP_TIMER_ALWON 0x40000000 #define OMAP_TIMER_HAS_PWM 0x20000000 #define OMAP_TIMER_NEEDS_RESET 0x10000000 #define OMAP_TIMER_HAS_DSP_IRQ 0x08000000 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 0x00 #define OMAP_TIMER_OCP_CFG_OFFSET 0x10 #define OMAP_TIMER_V1_SYS_STAT_OFFSET 0x14 #define OMAP_TIMER_V1_STAT_OFFSET 0x18 #define OMAP_TIMER_V1_INT_EN_OFFSET 0x1c #define OMAP_TIMER_V2_IRQSTATUS_RAW 0x24 #define OMAP_TIMER_V2_IRQSTATUS 0x28 #define OMAP_TIMER_V2_IRQENABLE_SET 0x2c #define OMAP_TIMER_V2_IRQENABLE_CLR 0x30 /* * 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 + 0x14 for v2 ip. * */ #define OMAP_TIMER_V2_FUNC_OFFSET 0x14 #define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20 #define _OMAP_TIMER_CTRL_OFFSET 0x24 #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 (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 /* 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 0x28 #define _OMAP_TIMER_LOAD_OFFSET 0x2c #define _OMAP_TIMER_TRIGGER_OFFSET 0x30 #define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34 #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 0x38 #define _OMAP_TIMER_CAPTURE_OFFSET 0x3c #define _OMAP_TIMER_IF_CTRL_OFFSET 0x40 #define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */ #define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */ #define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */ #define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */ #define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */ #define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */ #endif /* __CLOCKSOURCE_DMTIMER_H */
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