root/sys/arm/ti/am335x/am335x_dmtreg.h
/*-
 * Copyright (c) 2012 Damjan Marion <dmarion@Freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON 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.
 */

#ifndef AM335X_DMTREG_H
#define AM335X_DMTREG_H

#define AM335X_NUM_TIMERS       8

#define DMT_TIDR                0x00            /* Identification Register */
#define DMT_TIOCP_CFG           0x10            /* OCP Configuration Reg */
#define   DMT_TIOCP_RESET         (1 << 0)      /* TIOCP perform soft reset */
#define DMT_IQR_EOI             0x20            /* IRQ End-Of-Interrupt Reg */
#define DMT_IRQSTATUS_RAW       0x24            /* IRQSTATUS Raw Reg */
#define DMT_IRQSTATUS           0x28            /* IRQSTATUS Reg */
#define DMT_IRQENABLE_SET       0x2c            /* IRQSTATUS Set Reg */
#define DMT_IRQENABLE_CLR       0x30            /* IRQSTATUS Clear Reg */
#define DMT_IRQWAKEEN           0x34            /* IRQ Wakeup Enable Reg */
#define   DMT_IRQ_MAT             (1 << 0)      /* IRQ: Match */
#define   DMT_IRQ_OVF             (1 << 1)      /* IRQ: Overflow */
#define   DMT_IRQ_TCAR            (1 << 2)      /* IRQ: Capture */
#define   DMT_IRQ_MASK            (DMT_IRQ_TCAR | DMT_IRQ_OVF | DMT_IRQ_MAT)
#define DMT_TCLR                0x38            /* Control Register */
#define   DMT_TCLR_START          (1 << 0)      /* Start timer */
#define   DMT_TCLR_AUTOLOAD       (1 << 1)      /* Auto-reload on overflow */
#define   DMT_TCLR_PRES_MASK      (7 << 2)      /* Prescaler mask */
#define   DMT_TCLR_PRES_ENABLE    (1 << 5)      /* Prescaler enable */
#define   DMT_TCLR_COMP_ENABLE    (1 << 6)      /* Compare enable */
#define   DMT_TCLR_PWM_HIGH       (1 << 7)      /* PWM default output high */
#define   DMT_TCLR_CAPTRAN_MASK   (3 << 8)      /* Capture transition mask */
#define   DMT_TCLR_CAPTRAN_NONE   (0 << 8)      /* Capture: none */
#define   DMT_TCLR_CAPTRAN_LOHI   (1 << 8)      /* Capture lo->hi transition */
#define   DMT_TCLR_CAPTRAN_HILO   (2 << 8)      /* Capture hi->lo transition */
#define   DMT_TCLR_CAPTRAN_BOTH   (3 << 8)      /* Capture both transitions */
#define   DMT_TCLR_TRGMODE_MASK   (3 << 10)     /* Trigger output mode mask */
#define   DMT_TCLR_TRGMODE_NONE   (0 << 10)     /* Trigger off */
#define   DMT_TCLR_TRGMODE_OVFL   (1 << 10)     /* Trigger on overflow */
#define   DMT_TCLR_TRGMODE_BOTH   (2 << 10)     /* Trigger on match + ovflow */
#define   DMT_TCLR_PWM_PTOGGLE    (1 << 12)     /* PWM toggles */
#define   DMT_TCLR_CAP_MODE_2ND   (1 << 13)     /* Capture second event mode */
#define   DMT_TCLR_GPO_CFG        (1 << 14)     /* Tmr pin conf, 0=out, 1=in */
#define DMT_TCRR                0x3C            /* Counter Register */
#define DMT_TLDR                0x40            /* Load Reg */
#define DMT_TTGR                0x44            /* Trigger Reg */
#define DMT_TWPS                0x48            /* Write Posted Status Reg */
#define DMT_TMAR                0x4C            /* Match Reg */
#define DMT_TCAR1               0x50            /* Capture Reg */
#define DMT_TSICR               0x54            /* Synchr. Interface Ctrl Reg */
#define   DMT_TSICR_RESET         (1 << 1)      /* TSICR perform soft reset */
#define DMT_TCAR2               0x48            /* Capture Reg */

/* Location of revision register from TRM Memory map chapter 2 */
/* L4_WKUP */
#define DMTIMER0_REV            0x05000
#define DMTIMER1_1MS_REV        0x31000
/* L4_PER */
#define DMTIMER2_REV            0x40000
#define DMTIMER3_REV            0x42000
#define DMTIMER4_REV            0x44000
#define DMTIMER5_REV            0x46000
#define DMTIMER6_REV            0x48000
#define DMTIMER7_REV            0x4A000

#endif /* AM335X_DMTREG_H */