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/*

 * QEMU MC146818 RTC emulation

 *

 * Copyright (c) 2003-2004 Fabrice Bellard

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#ifndef RTC_REGS_H

#define RTC_REGS_H

#define RTC_ISA_IRQ 8

#define RTC_SECONDS             0

#define RTC_SECONDS_ALARM       1

#define RTC_MINUTES             2

#define RTC_MINUTES_ALARM       3

#define RTC_HOURS               4

#define RTC_HOURS_ALARM         5

#define RTC_ALARM_DONT_CARE    0xC0

#define RTC_DAY_OF_WEEK         6

#define RTC_DAY_OF_MONTH        7

#define RTC_MONTH               8

#define RTC_YEAR                9

#define RTC_REG_A               10

#define RTC_REG_B               11

#define RTC_REG_C               12

#define RTC_REG_D               13

/* PC cmos mappings */

#define RTC_CENTURY              0x32

#define RTC_IBM_PS2_CENTURY_BYTE 0x37

#define REG_A_UIP 0x80

#define REG_B_SET  0x80

#define REG_B_PIE  0x40

#define REG_B_AIE  0x20

#define REG_B_UIE  0x10

#define REG_B_SQWE 0x08

#define REG_B_DM   0x04

#define REG_B_24H  0x02

#define REG_C_UF   0x10

#define REG_C_IRQF 0x80

#define REG_C_PF   0x40

#define REG_C_AF   0x20

#define REG_C_MASK 0x70

#endif