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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _PCF8591_H
#define _PCF8591_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* PCF8591 Chip Used for temperature sensors
*
* Addressing Register definition.
* A0-A2 valid range is 0-7
*
* ------------------------------------------------
* | 1 | 0 | 0 | 1 | A2 | A1 | A0 | R/W |
* ------------------------------------------------
*/
#define PCF8591_MAX_DEVS 0x08
#define PCF8591_MAX_CHANS 0x04
#define PCF8591_BUSY 0x01
#define PCF8591_NAMELEN 12
#define PCF8591_MINOR_TO_DEVINST(x) (((x) & 0x700) >> 8)
#define PCF8591_MINOR_TO_CHANNEL(x) ((x) & 0x3)
#define PCF8591_CHANNEL_TO_MINOR(x) ((x) & 0x3)
#define PCF8591_DEVINST_TO_MINOR(x) ((x) << 8)
#define PCF8591_MINOR_NUM(i, c) (((i) << 8)|((c) & 0x3))
#define PCF8591_NODE_TYPE "ddi_i2c:adc"
#define PCF8591_TRAN_SIZE 1
#define I2C_PCF8591_NAME "adc-dac"
#define I2C_KSTAT_CPUTEMP "adc_temp"
#define I2C_TYPE_PCF8591 0
#define ENVC_NETRACT_CPU_SENSOR 0
#define I2C_DEV0 0x00
#define I2C_DEV1 0x02
#define I2C_DEV2 0x04
#define I2C_DEV3 0x06
#define I2C_DEV4 0x08
#define I2C_DEV5 0x0A
#define I2C_DEV6 0x0C
#define I2C_DEV7 0x0E
#define MAX_WLEN 64
#define MAX_RLEN 64
#ifndef I2CDEV_TRAN
#define I2CDEV_TRAN 1
#endif
#define I2CDEV_GETTEMP 82
#define I2CDEV_GETTABLES 256
#define ENVC_IOC_GETTEMP 0x10
/*
* These are now defined in sys/netract_gen.h
*
* #define ENVC_IOC_GETMODE 0x1C
* #define ENVC_IOC_SETMODE 0x1D
*/
/*
* CONTROL OF CHIP
* PCF8591 Temp sensing control register definitions
*
* ---------------------------------------------
* | 0 | AOE | X | X | 0 | AIF | X | X |
* ---------------------------------------------
* AOE = Analog out enable.. not used on out implementation
* 5 & 4 = Analog Input Programming.. see data sheet for bits..
*
* AIF = Auto increment flag
* bits 1 & 0 are for the Channel number.
*/
/*
* We should be able to select the alalog input
* programming of our choice. By default, the
* alanog input programming is set to Single
* ended. The programmer can issue an ioctl to
* set the input programming mode. We will set
* the auto increment flag set to off, so the lower
* nibble in the control byte will be set to the
* channel number.
*/
#define PCF8591_4SINGLE 0x00 /* 4 single ended inputs */
#define PCF8591_3DIFF 0x10 /* 3 differential inputs */
#define PCF8591_MIXED 0x20 /* single ended and diff mixed */
#define PCF8591_2DIFF 0x30 /* 2 differential inputs */
#define PCF8591_WARNING_TEMP 0x0
#define PCF8591_SHUTDOWN_TEMP 0x3
#define PCF8591_ANALOG_OUTPUT_EN 0x40
#define PCF8591_ANALOG_INPUT_EN 0x00
#define PCF8591_READ_BIT 0x01
#define PCF8591_AUTO_INCR 0x04
#define PCF8591_OSCILATOR 0x40
#define PCF8591_CH_0 0x00
#define PCF8591_CH_1 0x01
#define PCF8591_CH_2 0x02
#define PCF8591_CH_3 0x03
/*
* Stage of attachment.
*/
#define PCF8591_SOFT_STATE_ALLOC 0x0001
#define PCF8591_PROPS_READ 0x0002
#define PCF8591_MINORS_CREATED 0x0004
#define PCF8591_ALLOC_TRANSFER 0x0008
#define PCF8591_REGISTER_CLIENT 0x0010
#define PCF8591_LOCK_INIT 0x0020
#define PCF8591_KSTAT_INIT 0x0040
#define MAX_REGS_8591 2
struct pcf8591 {
unsigned int reg_num;
unsigned int reg_value;
};
/*
* Following property information taken from the
* "SPARCengine ASM Reference Manual"
* Property pointers are to DDI allocated space
* which must be freed in the detach() routine.
*/
/*
* for pcf8591_properties_t.channels_in_use->io_dir
*/
#define I2C_PROP_IODIR_IN 0
#define I2C_PROP_IODIR_OUT 1
#define I2C_PROP_IODIR_INOUT 2
/*
* for pcf8591_properties_t.channels_in_use->type
*/
#define I2C_PROP_TYPE_NOCARE 0
#define I2C_PROP_TYPE_TEMP 1
#define I2C_PROP_TYPE_VOLT 2
#define I2C_PROP_TYPE_FANSTATS 3
#define I2C_PROP_TYPE_FANSPEED 4
typedef struct {
uint8_t port;
uint8_t io_dir;
uint8_t type;
uint8_t last_data;
} pcf8591_channel_t;
typedef struct {
char *name;
uint16_t i2c_bus;
uint16_t slave_address;
uint_t num_chans_used;
char **channels_description;
pcf8591_channel_t *channels_in_use;
} pcf8591_properties_t;
struct pcf8591_unit {
int instance;
kmutex_t umutex;
dev_info_t *dip;
kcondvar_t pcf8591_cv;
uint8_t pcf8591_flags;
uint8_t pcf8591_inprog;
struct envctrl_temp temp_kstats;
kstat_t *tempksp;
uint_t attach_flag;
int pcf8591_oflag[PCF8591_MAX_CHANS];
i2c_transfer_t *i2c_tran;
i2c_client_hdl_t pcf8591_hdl;
char pcf8591_name[PCF8591_NAMELEN];
uint8_t current_mode;
uint8_t readmask;
pcf8591_properties_t props; /* device properties */
};
#ifdef __cplusplus
}
#endif
#endif /* _PCF8591_H */
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