/*      $NetBSD: itesio_isavar.h,v 1.14 2021/07/03 04:44:16 nonaka Exp $        */
/*      $OpenBSD: itvar.h,v 1.2 2003/11/05 20:57:10 grange Exp $        */

/*
* Copyright (c) 2006-2007 Juan Romero Pardines <[email protected]>
* Copyright (c) 2003 Julien Bordet <[email protected]>
* 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 LIMITD 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 LIMITD 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 _DEV_ISA_ITESIO_ISAVAR_H
#define _DEV_ISA_ITESIO_ISAVAR_H

#define IT_NUM_SENSORS  15

/* Super I/O Configuration Registers */
#define ITESIO_ADDR     0       /* Address Port = 0x2e */
#define ITESIO_DATA     1       /* Data Port = 0x2f */

#define ITESIO_LDNSEL   0x07    /* Logical Device Number Selection */

#define ITESIO_EC_LDN   0x04    /* EC Logical Device Number */
#define ITESIO_EC_MSB   0x60    /* EC Base Address (MSB) */
#define ITESIO_EC_LSB   0x61    /* EC Base Address (LSB) */

#define ITESIO_WDT_LDN  0x07    /* Watchdog Logical Device Number */
#define ITESIO_WDT_CTL  0x71    /* Watchdog Control Register */
#define ITESIO_WDT_CNF  0x72    /* Watchdog Configuration Register */
#define   ITESIO_WDT_CNF_SECS   (1<<7)  /* Use seconds for the timer */
#define   ITESIO_WDT_CNF_KRST   (1<<6)  /* Enable KRST */
#define   ITESIO_WDT_CNF_PWROK  (1<<4)  /* Enable PWROK */
#define ITESIO_WDT_TMO_LSB      0x73    /* Watchdog Timeout Value LSB */
#define ITESIO_WDT_TMO_MSB      0x74    /* Watchdog Timeout Value MSB */

#define ITESIO_WDT_MAXTIMO      0xffff  /* either seconds or minutes */

#define ITESIO_CHIPID1  0x20    /* Chip ID 1 */
#define ITESIO_CHIPID2  0x21    /* Chip ID 2 */
#define ITESIO_DEVREV   0x22    /* Device Revision */

#define ITESIO_ID8625   0x8625
#define ITESIO_ID8628   0x8628
#define ITESIO_ID8655   0x8655
#define ITESIO_ID8705   0x8705
#define ITESIO_ID8712   0x8712
#define ITESIO_ID8716   0x8716
#define ITESIO_ID8718   0x8718
#define ITESIO_ID8720   0x8720
#define ITESIO_ID8721   0x8721
#define ITESIO_ID8726   0x8726
#define ITESIO_ID8728   0x8728
#define ITESIO_ID8771   0x8771
#define ITESIO_ID8772   0x8772

/*
* Control registers for the Environmental Controller, relative
* to the Base Address Register.
*/
#define ITESIO_EC_ADDR  0x05
#define ITESIO_EC_DATA  0x06

/* Data registers */
#define ITESIO_EC_CONFIG        0x00
#define ITESIO_EC_ISR1          0x01
#define ITESIO_EC_ISR2          0x02
#define ITESIO_EC_ISR3          0x03
#define ITESIO_EC_SMI1          0x04
#define ITESIO_EC_SMI2          0x05
#define ITESIO_EC_SMI3          0x06
#define ITESIO_EC_IMR1          0x07
#define ITESIO_EC_IMR2          0x08
#define ITESIO_EC_IMR3          0x09
#define ITESIO_EC_VID           0x0a
#define ITESIO_EC_FAN_TDR       0x0b    /* Fan Tachometer Divisor Register */
#define ITESIO_EC_FAN16_CER     0x0c    /* Fan Tachometer 16-bit Counter Enable Register */

#define ITESIO_EC_VOLTENABLE    0x50
#define ITESIO_EC_TEMPENABLE    0x51

#define ITESIO_EC_FANMINBASE    0x10
#define ITESIO_EC_FANENABLE     0x13

#define ITESIO_EC_SENSORFANBASE         0x0d    /* Fan from 0x0d to 0x0f */
#define ITESIO_EC_SENSORFANEXTBASE      0x18    /* Fan (MSB) from 0x18 to 0x1A */
#define ITESIO_EC_SENSORVOLTBASE        0x20    /* Voltage from 0x20 to 0x28 */
#define ITESIO_EC_SENSORTEMPBASE        0x29    /* Temperature from 0x29 to 0x2b */
#define ITESIO_EC_SENSORVOLTEXTBASE     0x2f    /* Extra Voltage 0x2f */

#define ITESIO_EC_VIN0  0x20
#define ITESIO_EC_VIN1  0x21
#define ITESIO_EC_VIN2  0x22
#define ITESIO_EC_VIN3  0x23
#define ITESIO_EC_VIN4  0x24
#define ITESIO_EC_VIN5  0x25
#define ITESIO_EC_VIN6  0x26
#define ITESIO_EC_VIN7  0x27
#define ITESIO_EC_VBAT  0x28

#define ITESIO_EC_UPDATEVBAT    0x40    /* Update VBAT voltage reading */
#define ITESIO_EC_BEEPEER       0x5c    /* Beep Event Enable Register */

/* High and Low limits for voltages */
#define ITESIO_EC_VIN0_HIGH_LIMIT       0x30
#define ITESIO_EC_VIN0_LOW_LIMIT        0x31
#define ITESIO_EC_VIN1_HIGH_LIMIT       0x32
#define ITESIO_EC_VIN1_LOW_LIMIT        0x33
#define ITESIO_EC_VIN2_HIGH_LIMIT       0x34
#define ITESIO_EC_VIN2_LOW_LIMIT        0x35
#define ITESIO_EC_VIN3_HIGH_LIMIT       0x36
#define ITESIO_EC_VIN3_LOW_LIMIT        0x37
#define ITESIO_EC_VIN4_HIGH_LIMIT       0x38
#define ITESIO_EC_VIN4_LOW_LIMIT        0x39
#define ITESIO_EC_VIN5_HIGH_LIMIT       0x3a
#define ITESIO_EC_VIN5_LOW_LIMIT        0x3b
#define ITESIO_EC_VIN6_HIGH_LIMIT       0x3c
#define ITESIO_EC_VIN6_LOW_LIMIT        0x3d
#define ITESIO_EC_VIN7_HIGH_LIMIT       0x3e
#define ITESIO_EC_VIN7_LOW_LIMIT        0x3f

/* High and Low limits for temperatures */
#define ITESIO_EC_TEMP0_HIGH_LIMIT      0x40
#define ITESIO_EC_TEMP0_LOW_LIMIT       0x41
#define ITESIO_EC_TEMP1_HIGH_LIMIT      0x42
#define ITESIO_EC_TEMP1_LOW_LIMIT       0x43
#define ITESIO_EC_TEMP2_HIGH_LIMIT      0x44
#define ITESIO_EC_TEMP2_LOW_LIMIT       0x45

#define IT8625_EC_SENSORFAN4_LSB        0x80
#define IT8625_EC_SENSORFAN4_MSB        0x81
#define IT8625_EC_SENSORFAN5_LSB        0x82
#define IT8625_EC_SENSORFAN5_MSB        0x83
#define IT8625_EC_SENSORFAN6_LSB        0x93
#define IT8625_EC_SENSORFAN6_MSB        0x94

#define ITESIO_EC_VREF                  (4096) /* Vref = 4.096 V */

struct itesio_softc;
struct itesio_config {
       uint16_t        chipid;
       bool            no_wdt;
       uint32_t        num_sensors;
       uint32_t        voltstart_idx;
       uint32_t        fanstart_idx;
       void            (*setup_sensors)(struct itesio_softc *);
       void            (*refresh_temp)(struct itesio_softc *,
                           envsys_data_t *);
       void            (*refresh_volts)(struct itesio_softc *,
                           envsys_data_t *);
       void            (*refresh_fans)(struct itesio_softc *,
                           envsys_data_t *);
};

struct itesio_softc {
       bus_space_tag_t         sc_iot;

       bus_space_handle_t      sc_pnp_ioh;
       bus_space_handle_t      sc_ec_ioh;

       struct itesio_config    sc_config;

       struct sysmon_wdog      sc_smw;
       struct sysmon_envsys    *sc_sme;
       envsys_data_t           *sc_sensor;

       uint16_t                sc_hwmon_baseaddr;
       bool                    sc_hwmon_mapped;
       bool                    sc_hwmon_enabled;
       bool                    sc_wdt_enabled;

       uint16_t                sc_chipid;
       uint8_t                 sc_devrev;
};

#endif /* _DEV_ISA_ITSIO_ISAVAR_H_ */

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