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/*

 * include/asm-ppc/todc.h

 *

 * Definitions for the M48Txx and mc146818 series of Time of day/Real Time

 * Clock chips.

 *

 * Author: Mark A. Greer

 *         mgreer@mvista.com

 *

 * 2001 (c) MontaVista, Software, Inc.  This file is licensed under

 * the terms of the GNU General Public License version 2.  This program

 * is licensed "as is" without any warranty of any kind, whether express

 * or implied.

 */

/*

 * Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips.

 * Purpose is to make one generic file that handles all of these chips instead

 * of every platform implementing the same code over & over again.

 */

#ifndef __PPC_KERNEL_TODC_H

#define __PPC_KERNEL_TODC_H

typedef struct {

        uint rtc_type;          /* your particular chip */

        /*

         * Following are the addresses of the AS0, AS1, and DATA registers

         * of these chips.  Note that these are board-specific.

         */

        unsigned char *nvram_as0;

        unsigned char *nvram_as1;

        unsigned char *nvram_data;

        /*

         * Define bits to stop external set of regs from changing so

         * the chip can be read/written reliably.

         */

        unsigned char enable_read;

        unsigned char enable_write;

        /*

         * Following is the number of AS0 address bits.  This is normally

         * 8 but some bad hardware routes address lines incorrectly.

         */

        int as0_bits;

        int nvram_size; /* Size of NVRAM on chip */

        int sw_flags;   /* Software control flags */

        /* Following are the register offsets for the particular chip */

        int year;

        int month;

        int day_of_month;

        int day_of_week;

        int hours;

        int minutes;

        int seconds;

        int control_b;

        int control_a;

        int watchdog;

        int interrupts;

        int alarm_date;

        int alarm_hour;

        int alarm_minutes;

        int alarm_seconds;

        int century;

        int flags;

        /*

         * Some RTC chips have their NVRAM buried behind a addr/data pair of

         * regs on the first level/clock registers.  The following fields

         * are the addresses for those addr/data regs.

         */

        int nvram_addr_reg;

        int nvram_data_reg;

} todc_info_t;

/*

 * Define the types of TODC/RTC variants that are supported in

 * arch/ppc/kernel/todc_time.c

 * Make a new one of these for any chip somehow differs from what's already

 * defined.  That way, if you ever need to put in code to touch those

 * bits/registers in todc_time.c, you can put it inside an

 * 'if (todc_info->rtc_type ==  TODC_TYPE_XXX)' so you won't break

 * anyone else.

 */

#define TODC_TYPE_MK48T35               1

#define TODC_TYPE_MK48T37               2

#define TODC_TYPE_MK48T59               3

#define TODC_TYPE_DS1693                4       /* Dallas DS1693 RTC */

#define TODC_TYPE_DS1743                5       /* Dallas DS1743 RTC */

#define TODC_TYPE_DS1746                6       /* Dallas DS1746 RTC */

#define TODC_TYPE_DS1747                7       /* Dallas DS1747 RTC */

#define TODC_TYPE_DS1501                8       /* Dallas DS1501 RTC */

#define TODC_TYPE_DS1643                9       /* Dallas DS1643 RTC */

#define TODC_TYPE_PC97307               10      /* PC97307 internal RTC */

#define TODC_TYPE_DS1557                11      /* Dallas DS1557 RTC */

#define TODC_TYPE_MC146818              100     /* Leave room for m48txx's */

/*

 * Bit to clear/set to enable reads/writes to the chip

 */

#define TODC_MK48TXX_CNTL_A_R           0x40

#define TODC_MK48TXX_CNTL_A_W           0x80

#define TODC_MK48TXX_DAY_CB             0x80

#define TODC_DS1501_CNTL_B_TE           0x80

/*

 * Define flag bits used by todc routines.

 */

#define TODC_FLAG_2_LEVEL_NVRAM         0x00000001

/*

 * Define the values for the various RTC's that should to into the todc_info

 * table.

 * Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only

 * matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set.

 */

#define TODC_TYPE_MK48T35_NVRAM_SIZE            0x7ff8

#define TODC_TYPE_MK48T35_SW_FLAGS              0

#define TODC_TYPE_MK48T35_YEAR                  0x7fff

#define TODC_TYPE_MK48T35_MONTH                 0x7ffe

#define TODC_TYPE_MK48T35_DOM                   0x7ffd  /* Day of Month */

#define TODC_TYPE_MK48T35_DOW                   0x7ffc  /* Day of Week */

#define TODC_TYPE_MK48T35_HOURS                 0x7ffb

#define TODC_TYPE_MK48T35_MINUTES               0x7ffa

#define TODC_TYPE_MK48T35_SECONDS               0x7ff9

#define TODC_TYPE_MK48T35_CNTL_B                0x7ff9

#define TODC_TYPE_MK48T35_CNTL_A                0x7ff8

#define TODC_TYPE_MK48T35_WATCHDOG              0x0000

#define TODC_TYPE_MK48T35_INTERRUPTS            0x0000

#define TODC_TYPE_MK48T35_ALARM_DATE            0x0000

#define TODC_TYPE_MK48T35_ALARM_HOUR            0x0000

#define TODC_TYPE_MK48T35_ALARM_MINUTES         0x0000

#define TODC_TYPE_MK48T35_ALARM_SECONDS         0x0000

#define TODC_TYPE_MK48T35_CENTURY               0x0000

#define TODC_TYPE_MK48T35_FLAGS                 0x0000

#define TODC_TYPE_MK48T35_NVRAM_ADDR_REG        0

#define TODC_TYPE_MK48T35_NVRAM_DATA_REG        0

#define TODC_TYPE_MK48T37_NVRAM_SIZE            0x7ff0

#define TODC_TYPE_MK48T37_SW_FLAGS              0

#define TODC_TYPE_MK48T37_YEAR                  0x7fff

#define TODC_TYPE_MK48T37_MONTH                 0x7ffe

#define TODC_TYPE_MK48T37_DOM                   0x7ffd  /* Day of Month */

#define TODC_TYPE_MK48T37_DOW                   0x7ffc  /* Day of Week */

#define TODC_TYPE_MK48T37_HOURS                 0x7ffb

#define TODC_TYPE_MK48T37_MINUTES               0x7ffa

#define TODC_TYPE_MK48T37_SECONDS               0x7ff9

#define TODC_TYPE_MK48T37_CNTL_B                0x7ff9

#define TODC_TYPE_MK48T37_CNTL_A                0x7ff8

#define TODC_TYPE_MK48T37_WATCHDOG              0x7ff7

#define TODC_TYPE_MK48T37_INTERRUPTS            0x7ff6

#define TODC_TYPE_MK48T37_ALARM_DATE            0x7ff5

#define TODC_TYPE_MK48T37_ALARM_HOUR            0x7ff4

#define TODC_TYPE_MK48T37_ALARM_MINUTES         0x7ff3

#define TODC_TYPE_MK48T37_ALARM_SECONDS         0x7ff2

#define TODC_TYPE_MK48T37_CENTURY               0x7ff1

#define TODC_TYPE_MK48T37_FLAGS                 0x7ff0

#define TODC_TYPE_MK48T37_NVRAM_ADDR_REG        0

#define TODC_TYPE_MK48T37_NVRAM_DATA_REG        0

#define TODC_TYPE_MK48T59_NVRAM_SIZE            0x1ff0

#define TODC_TYPE_MK48T59_SW_FLAGS              0

#define TODC_TYPE_MK48T59_YEAR                  0x1fff

#define TODC_TYPE_MK48T59_MONTH                 0x1ffe

#define TODC_TYPE_MK48T59_DOM                   0x1ffd  /* Day of Month */

#define TODC_TYPE_MK48T59_DOW                   0x1ffc  /* Day of Week */

#define TODC_TYPE_MK48T59_HOURS                 0x1ffb

#define TODC_TYPE_MK48T59_MINUTES               0x1ffa

#define TODC_TYPE_MK48T59_SECONDS               0x1ff9

#define TODC_TYPE_MK48T59_CNTL_B                0x1ff9

#define TODC_TYPE_MK48T59_CNTL_A                0x1ff8

#define TODC_TYPE_MK48T59_WATCHDOG              0x1fff

#define TODC_TYPE_MK48T59_INTERRUPTS            0x1fff

#define TODC_TYPE_MK48T59_ALARM_DATE            0x1fff

#define TODC_TYPE_MK48T59_ALARM_HOUR            0x1fff

#define TODC_TYPE_MK48T59_ALARM_MINUTES         0x1fff

#define TODC_TYPE_MK48T59_ALARM_SECONDS         0x1fff

#define TODC_TYPE_MK48T59_CENTURY               0x1fff

#define TODC_TYPE_MK48T59_FLAGS                 0x1fff

#define TODC_TYPE_MK48T59_NVRAM_ADDR_REG        0

#define TODC_TYPE_MK48T59_NVRAM_DATA_REG        0

#define TODC_TYPE_DS1501_NVRAM_SIZE     0x100

#define TODC_TYPE_DS1501_SW_FLAGS       TODC_FLAG_2_LEVEL_NVRAM

#define TODC_TYPE_DS1501_YEAR           (TODC_TYPE_DS1501_NVRAM_SIZE + 0x06)

#define TODC_TYPE_DS1501_MONTH          (TODC_TYPE_DS1501_NVRAM_SIZE + 0x05)

#define TODC_TYPE_DS1501_DOM            (TODC_TYPE_DS1501_NVRAM_SIZE + 0x04)

#define TODC_TYPE_DS1501_DOW            (TODC_TYPE_DS1501_NVRAM_SIZE + 0x03)

#define TODC_TYPE_DS1501_HOURS          (TODC_TYPE_DS1501_NVRAM_SIZE + 0x02)

#define TODC_TYPE_DS1501_MINUTES        (TODC_TYPE_DS1501_NVRAM_SIZE + 0x01)

#define TODC_TYPE_DS1501_SECONDS        (TODC_TYPE_DS1501_NVRAM_SIZE + 0x00)

#define TODC_TYPE_DS1501_CNTL_B         (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f)

#define TODC_TYPE_DS1501_CNTL_A         (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f)

#define TODC_TYPE_DS1501_WATCHDOG       (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)

#define TODC_TYPE_DS1501_INTERRUPTS     (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)

#define TODC_TYPE_DS1501_ALARM_DATE     (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b)

#define TODC_TYPE_DS1501_ALARM_HOUR     (TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a)

#define TODC_TYPE_DS1501_ALARM_MINUTES  (TODC_TYPE_DS1501_NVRAM_SIZE + 0x09)

#define TODC_TYPE_DS1501_ALARM_SECONDS  (TODC_TYPE_DS1501_NVRAM_SIZE + 0x08)

#define TODC_TYPE_DS1501_CENTURY        (TODC_TYPE_DS1501_NVRAM_SIZE + 0x07)

#define TODC_TYPE_DS1501_FLAGS          (TODC_TYPE_DS1501_NVRAM_SIZE + 0xff)

#define TODC_TYPE_DS1501_NVRAM_ADDR_REG 0x10

#define TODC_TYPE_DS1501_NVRAM_DATA_REG 0x13

#define TODC_TYPE_DS1557_NVRAM_SIZE             0x7fff0

#define TODC_TYPE_DS1557_SW_FLAGS               0

#define TODC_TYPE_DS1557_YEAR                   0x7ffff

#define TODC_TYPE_DS1557_MONTH                  0x7fffe

#define TODC_TYPE_DS1557_DOM                    0x7fffd /* Day of Month */

#define TODC_TYPE_DS1557_DOW                    0x7fffc /* Day of Week */

#define TODC_TYPE_DS1557_HOURS                  0x7fffb

#define TODC_TYPE_DS1557_MINUTES                0x7fffa

#define TODC_TYPE_DS1557_SECONDS                0x7fff9

#define TODC_TYPE_DS1557_CNTL_B                 0x7fff9

#define TODC_TYPE_DS1557_CNTL_A                 0x7fff8 /* control_a R/W regs */

#define TODC_TYPE_DS1557_WATCHDOG               0x7fff7

#define TODC_TYPE_DS1557_INTERRUPTS             0x7fff6

#define TODC_TYPE_DS1557_ALARM_DATE             0x7fff5

#define TODC_TYPE_DS1557_ALARM_HOUR             0x7fff4

#define TODC_TYPE_DS1557_ALARM_MINUTES          0x7fff3

#define TODC_TYPE_DS1557_ALARM_SECONDS          0x7fff2

#define TODC_TYPE_DS1557_CENTURY                0x7fff8

#define TODC_TYPE_DS1557_FLAGS                  0x7fff0

#define TODC_TYPE_DS1557_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1557_NVRAM_DATA_REG         0

#define TODC_TYPE_DS1643_NVRAM_SIZE             0x1ff8

#define TODC_TYPE_DS1643_SW_FLAGS               0

#define TODC_TYPE_DS1643_YEAR                   0x1fff

#define TODC_TYPE_DS1643_MONTH                  0x1ffe

#define TODC_TYPE_DS1643_DOM                    0x1ffd  /* Day of Month */

#define TODC_TYPE_DS1643_DOW                    0x1ffc  /* Day of Week */

#define TODC_TYPE_DS1643_HOURS                  0x1ffb

#define TODC_TYPE_DS1643_MINUTES                0x1ffa

#define TODC_TYPE_DS1643_SECONDS                0x1ff9

#define TODC_TYPE_DS1643_CNTL_B                 0x1ff9

#define TODC_TYPE_DS1643_CNTL_A                 0x1ff8  /* control_a R/W regs */

#define TODC_TYPE_DS1643_WATCHDOG               0x1fff

#define TODC_TYPE_DS1643_INTERRUPTS             0x1fff

#define TODC_TYPE_DS1643_ALARM_DATE             0x1fff

#define TODC_TYPE_DS1643_ALARM_HOUR             0x1fff

#define TODC_TYPE_DS1643_ALARM_MINUTES          0x1fff

#define TODC_TYPE_DS1643_ALARM_SECONDS          0x1fff

#define TODC_TYPE_DS1643_CENTURY                0x1ff8

#define TODC_TYPE_DS1643_FLAGS                  0x1fff

#define TODC_TYPE_DS1643_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1643_NVRAM_DATA_REG         0

#define TODC_TYPE_DS1693_NVRAM_SIZE             0 /* Not handled yet */

#define TODC_TYPE_DS1693_SW_FLAGS               0

#define TODC_TYPE_DS1693_YEAR                   0x09

#define TODC_TYPE_DS1693_MONTH                  0x08

#define TODC_TYPE_DS1693_DOM                    0x07    /* Day of Month */

#define TODC_TYPE_DS1693_DOW                    0x06    /* Day of Week */

#define TODC_TYPE_DS1693_HOURS                  0x04

#define TODC_TYPE_DS1693_MINUTES                0x02

#define TODC_TYPE_DS1693_SECONDS                0x00

#define TODC_TYPE_DS1693_CNTL_B                 0x0b

#define TODC_TYPE_DS1693_CNTL_A                 0x0a

#define TODC_TYPE_DS1693_WATCHDOG               0xff

#define TODC_TYPE_DS1693_INTERRUPTS             0xff

#define TODC_TYPE_DS1693_ALARM_DATE             0x49

#define TODC_TYPE_DS1693_ALARM_HOUR             0x05

#define TODC_TYPE_DS1693_ALARM_MINUTES          0x03

#define TODC_TYPE_DS1693_ALARM_SECONDS          0x01

#define TODC_TYPE_DS1693_CENTURY                0x48

#define TODC_TYPE_DS1693_FLAGS                  0xff

#define TODC_TYPE_DS1693_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1693_NVRAM_DATA_REG         0

#define TODC_TYPE_DS1743_NVRAM_SIZE             0x1ff8

#define TODC_TYPE_DS1743_SW_FLAGS               0

#define TODC_TYPE_DS1743_YEAR                   0x1fff

#define TODC_TYPE_DS1743_MONTH                  0x1ffe

#define TODC_TYPE_DS1743_DOM                    0x1ffd  /* Day of Month */

#define TODC_TYPE_DS1743_DOW                    0x1ffc  /* Day of Week */

#define TODC_TYPE_DS1743_HOURS                  0x1ffb

#define TODC_TYPE_DS1743_MINUTES                0x1ffa

#define TODC_TYPE_DS1743_SECONDS                0x1ff9

#define TODC_TYPE_DS1743_CNTL_B                 0x1ff9

#define TODC_TYPE_DS1743_CNTL_A                 0x1ff8  /* control_a R/W regs */

#define TODC_TYPE_DS1743_WATCHDOG               0x1fff

#define TODC_TYPE_DS1743_INTERRUPTS             0x1fff

#define TODC_TYPE_DS1743_ALARM_DATE             0x1fff

#define TODC_TYPE_DS1743_ALARM_HOUR             0x1fff

#define TODC_TYPE_DS1743_ALARM_MINUTES          0x1fff

#define TODC_TYPE_DS1743_ALARM_SECONDS          0x1fff

#define TODC_TYPE_DS1743_CENTURY                0x1ff8

#define TODC_TYPE_DS1743_FLAGS                  0x1fff

#define TODC_TYPE_DS1743_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1743_NVRAM_DATA_REG         0

#define TODC_TYPE_DS1746_NVRAM_SIZE             0x1fff8

#define TODC_TYPE_DS1746_SW_FLAGS               0

#define TODC_TYPE_DS1746_YEAR                   0x1ffff

#define TODC_TYPE_DS1746_MONTH                  0x1fffe

#define TODC_TYPE_DS1746_DOM                    0x1fffd /* Day of Month */

#define TODC_TYPE_DS1746_DOW                    0x1fffc /* Day of Week */

#define TODC_TYPE_DS1746_HOURS                  0x1fffb

#define TODC_TYPE_DS1746_MINUTES                0x1fffa

#define TODC_TYPE_DS1746_SECONDS                0x1fff9

#define TODC_TYPE_DS1746_CNTL_B                 0x1fff9

#define TODC_TYPE_DS1746_CNTL_A                 0x1fff8 /* control_a R/W regs */

#define TODC_TYPE_DS1746_WATCHDOG               0x00000

#define TODC_TYPE_DS1746_INTERRUPTS             0x00000

#define TODC_TYPE_DS1746_ALARM_DATE             0x00000

#define TODC_TYPE_DS1746_ALARM_HOUR             0x00000

#define TODC_TYPE_DS1746_ALARM_MINUTES          0x00000

#define TODC_TYPE_DS1746_ALARM_SECONDS          0x00000

#define TODC_TYPE_DS1746_CENTURY                0x00000

#define TODC_TYPE_DS1746_FLAGS                  0x00000

#define TODC_TYPE_DS1746_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1746_NVRAM_DATA_REG         0

#define TODC_TYPE_DS1747_NVRAM_SIZE             0x7fff8

#define TODC_TYPE_DS1747_SW_FLAGS               0

#define TODC_TYPE_DS1747_YEAR                   0x7ffff

#define TODC_TYPE_DS1747_MONTH                  0x7fffe

#define TODC_TYPE_DS1747_DOM                    0x7fffd /* Day of Month */

#define TODC_TYPE_DS1747_DOW                    0x7fffc /* Day of Week */

#define TODC_TYPE_DS1747_HOURS                  0x7fffb

#define TODC_TYPE_DS1747_MINUTES                0x7fffa

#define TODC_TYPE_DS1747_SECONDS                0x7fff9

#define TODC_TYPE_DS1747_CNTL_B                 0x7fff9

#define TODC_TYPE_DS1747_CNTL_A                 0x7fff8 /* control_a R/W regs */

#define TODC_TYPE_DS1747_WATCHDOG               0x00000

#define TODC_TYPE_DS1747_INTERRUPTS             0x00000

#define TODC_TYPE_DS1747_ALARM_DATE             0x00000

#define TODC_TYPE_DS1747_ALARM_HOUR             0x00000

#define TODC_TYPE_DS1747_ALARM_MINUTES          0x00000

#define TODC_TYPE_DS1747_ALARM_SECONDS          0x00000

#define TODC_TYPE_DS1747_CENTURY                0x00000

#define TODC_TYPE_DS1747_FLAGS                  0x00000

#define TODC_TYPE_DS1747_NVRAM_ADDR_REG         0

#define TODC_TYPE_DS1747_NVRAM_DATA_REG         0

#define TODC_TYPE_MC146818_NVRAM_SIZE           0        /* XXXX */

#define TODC_TYPE_MC146818_SW_FLAGS             0

#define TODC_TYPE_MC146818_YEAR                 0x09

#define TODC_TYPE_MC146818_MONTH                0x08

#define TODC_TYPE_MC146818_DOM                  0x07    /* Day of Month */

#define TODC_TYPE_MC146818_DOW                  0x06    /* Day of Week */

#define TODC_TYPE_MC146818_HOURS                0x04

#define TODC_TYPE_MC146818_MINUTES              0x02

#define TODC_TYPE_MC146818_SECONDS              0x00

#define TODC_TYPE_MC146818_CNTL_B               0x0a

#define TODC_TYPE_MC146818_CNTL_A               0x0b    /* control_a R/W regs */

#define TODC_TYPE_MC146818_WATCHDOG             0

#define TODC_TYPE_MC146818_INTERRUPTS           0x0c

#define TODC_TYPE_MC146818_ALARM_DATE           0xff

#define TODC_TYPE_MC146818_ALARM_HOUR           0x05

#define TODC_TYPE_MC146818_ALARM_MINUTES        0x03

#define TODC_TYPE_MC146818_ALARM_SECONDS        0x01

#define TODC_TYPE_MC146818_CENTURY              0xff

#define TODC_TYPE_MC146818_FLAGS                0xff

#define TODC_TYPE_MC146818_NVRAM_ADDR_REG       0

#define TODC_TYPE_MC146818_NVRAM_DATA_REG       0

#define TODC_TYPE_PC97307_NVRAM_SIZE            0        /* No NVRAM? */

#define TODC_TYPE_PC97307_SW_FLAGS              0

#define TODC_TYPE_PC97307_YEAR                  0x09

#define TODC_TYPE_PC97307_MONTH                 0x08

#define TODC_TYPE_PC97307_DOM                   0x07    /* Day of Month */

#define TODC_TYPE_PC97307_DOW                   0x06    /* Day of Week */

#define TODC_TYPE_PC97307_HOURS                 0x04

#define TODC_TYPE_PC97307_MINUTES               0x02

#define TODC_TYPE_PC97307_SECONDS               0x00

#define TODC_TYPE_PC97307_CNTL_B                0x0a

#define TODC_TYPE_PC97307_CNTL_A                0x0b    /* control_a R/W regs */

#define TODC_TYPE_PC97307_WATCHDOG              0x0c

#define TODC_TYPE_PC97307_INTERRUPTS            0x0d

#define TODC_TYPE_PC97307_ALARM_DATE            0xff

#define TODC_TYPE_PC97307_ALARM_HOUR            0x05

#define TODC_TYPE_PC97307_ALARM_MINUTES         0x03

#define TODC_TYPE_PC97307_ALARM_SECONDS         0x01

#define TODC_TYPE_PC97307_CENTURY               0xff

#define TODC_TYPE_PC97307_FLAGS                 0xff

#define TODC_TYPE_PC97307_NVRAM_ADDR_REG        0

#define TODC_TYPE_PC97307_NVRAM_DATA_REG        0

/*

 * Define macros to allocate and init the todc_info_t table that will

 * be used by the todc_time.c routines.

 */

#define TODC_ALLOC()                                                    \

        static todc_info_t todc_info_alloc;                             \

        todc_info_t *todc_info = &todc_info_alloc;

#define TODC_INIT(clock_type, as0, as1, data, bits) {                   \

        todc_info->rtc_type = clock_type;                               \

                                                                        \

        todc_info->nvram_as0  = (unsigned char *)(as0);                 \

        todc_info->nvram_as1  = (unsigned char *)(as1);                 \

        todc_info->nvram_data = (unsigned char *)(data);                \

                                                                        \

        todc_info->as0_bits = (bits);                                   \

                                                                        \

        todc_info->nvram_size     = clock_type ##_NVRAM_SIZE;           \

        todc_info->sw_flags       = clock_type ##_SW_FLAGS;             \

                                                                        \

        todc_info->year           = clock_type ##_YEAR;                 \

        todc_info->month          = clock_type ##_MONTH;                \

        todc_info->day_of_month   = clock_type ##_DOM;                  \

        todc_info->day_of_week    = clock_type ##_DOW;                  \

        todc_info->hours          = clock_type ##_HOURS;                \

        todc_info->minutes        = clock_type ##_MINUTES;              \

        todc_info->seconds        = clock_type ##_SECONDS;              \

        todc_info->control_b      = clock_type ##_CNTL_B;               \

        todc_info->control_a      = clock_type ##_CNTL_A;               \

        todc_info->watchdog       = clock_type ##_WATCHDOG;             \

        todc_info->interrupts     = clock_type ##_INTERRUPTS;           \

        todc_info->alarm_date     = clock_type ##_ALARM_DATE;           \

        todc_info->alarm_hour     = clock_type ##_ALARM_HOUR;           \

        todc_info->alarm_minutes  = clock_type ##_ALARM_MINUTES;        \

        todc_info->alarm_seconds  = clock_type ##_ALARM_SECONDS;        \

        todc_info->century        = clock_type ##_CENTURY;              \

        todc_info->flags          = clock_type ##_FLAGS;                \

                                                                        \

        todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG;       \

        todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG;       \

}

#ifndef BCD_TO_BIN

#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)

#endif

#ifndef BIN_TO_BCD

#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)

#endif

extern todc_info_t *todc_info;

unsigned char todc_direct_read_val(int addr);

void todc_direct_write_val(int addr, unsigned char val);

unsigned char todc_m48txx_read_val(int addr);

void todc_m48txx_write_val(int addr, unsigned char val);

unsigned char todc_mc146818_read_val(int addr);

void todc_mc146818_write_val(int addr, unsigned char val);

long todc_time_init(void);

unsigned long todc_get_rtc_time(void);

int todc_set_rtc_time(unsigned long nowtime);

void todc_calibrate_decr(void);

#endif                          /* __PPC_KERNEL_TODC_H */