/* $NetBSD: meson_rtcreg.h,v 1.1 2019/01/20 17:58:22 jmcneill Exp $ */

/*-
 * Copyright (c) 2015 The NetBSD Foundation, Inc.
 * 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 ``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 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 _MESON_RTCREG_H_
#define _MESON_RTCREG_H_

#define AO_RTC_REG0                     0x00
#define AO_RTC_REG1                     0x04
#define AO_RTC_REG2                     0x08
#define AO_RTC_REG3                     0x0c
#define AO_RTC_REG4                     0x10

#define AO_RTC_REG0_STATIC_REG_LSB      __BITS(31,24)
#define AO_RTC_REG0_UNUSED_23           __BIT(23)
#define AO_RTC_REG0_SERIAL_BUSY         __BIT(22)
#define AO_RTC_REG0_UNUSED_21           __BIT(21)
#define AO_RTC_REG0_SCLK_STATIC         __BIT(20)
#define AO_RTC_REG0_UNUSED_19_18        __BITS(19,18)
#define AO_RTC_REG0_SERIAL_START        __BIT(17)
#define AO_RTC_REG0_ONE_SHOT_POLARITY   __BIT(16)
#define AO_RTC_REG0_RESERVED_15_11      __BIT(15,11)
#define AO_RTC_REG0_UNUSED_10_8         __BITS(10,8)
#define AO_RTC_REG0_RESERVED_7_6        __BIT(7,6)
#define AO_RTC_REG0_TEST_MODE           __BIT(5)
#define AO_RTC_REG0_TEST_CLK            __BIT(4)
#define AO_RTC_REG0_TEST_BYPASS         __BIT(3)
#define AO_RTC_REG0_SDI                 __BIT(2)
#define AO_RTC_REG0_SEN                 __BIT(1)
#define AO_RTC_REG0_SCLK                __BIT(0)

#define AO_RTC_REG1_UNUSED_31_16        __BITS(31,16)
#define AO_RTC_REG1_RESERVED            __BITS(15,12)
#define AO_RTC_REG1_UNUSED_11_4         __BITS(11,4)
#define AO_RTC_REG1_GPO_TO_DIG          __BIT(3)
#define AO_RTC_REG1_GPI_TO_DIG          __BIT(2)
#define AO_RTC_REG1_S_READY             __BIT(1)
#define AO_RTC_REG1_SDO                 __BIT(0)

#define AO_RTC_REG2_OSC_CLK_COUNT       __BITS(31,0)

#define AO_RTC_REG3_UNUSED_31_30        __BITS(31,30)
#define AO_RTC_REG3_USE_CLK_TB          __BIT(29)
#define AO_RTC_REG3_USE_NIKE_D_RTC      __BIT(28)
#define AO_RTC_REG3_AUTO_TB_SEL         __BITS(27,26)
#define AO_RTC_REG3_FILTER_SEL          __BITS(25,23)
#define AO_RTC_REG3_FILTER_TB           __BITS(22,21)
#define AO_RTC_REG3_MSR_BUSY            __BIT(20)
#define AO_RTC_REG3_UNUSED_19           __BIT(19)
#define AO_RTC_REG3_FAST_CLK_MODE       __BIT(18)
#define AO_RTC_REG3_COUNT_ALWAYS        __BIT(17)
#define AO_RTC_REG3_MSR_EN              __BIT(16)
#define AO_RTC_REG3_MSR_GATE_TIME       __BIT(15,0)

#define AO_RTC_REG4_UNUSED              __BITS(31,8)
#define AO_RTC_REG4_STATIC_REG_MSB      __BITS(7,0)

/* Define RTC register address mapping */
#define RTC_COUNTER_ADDR                0
#define RTC_GPO_COUNTER_ADDR            1
#define RTC_SEC_ADJUST_ADDR             2
#define RTC_UNUSED_ADDR                 3
#define RTC_REGMEM_ADDR0                4
#define RTC_REGMEM_ADDR1                5
#define RTC_REGMEM_ADDR2                6
#define RTC_REGMEM_ADDR3                7

#define RTC_COUNTER_VALUE               __BITS(31,0)
#define RTC_SEC_ADJUST_PENDING          __BIT(25)
#define RTC_SEC_ADJUST_INC              __BIT(24)
#define RTC_SEC_ADJUST_VALID            __BIT(23)
#define RTC_SEC_ADJUST_MONITOR          __BIT(22)
#define RTC_SEC_ADJUST_RESERVED         __BIT(21)
#define RTC_SEC_ADJUST_CTRL             __BITS(20,19)
#define RTC_SEC_ADJUST_COUNTER          __BITS(18,0)

#endif /* _MESON_RTCREG_H_ */