sys/dev/ichsmb/ichsmb_var.h

root/sys/dev/ichsmb/ichsmb_var.h
/*-
 * ichsmb_var.h
 *
 * Copyright (c) 2000 Whistle Communications, Inc.
 * All rights reserved.
 * 
 * Subject to the following obligations and disclaimer of warranty, use and
 * redistribution of this software, in source or object code forms, with or
 * without modifications are expressly permitted by Whistle Communications;
 * provided, however, that:
 * 1. Any and all reproductions of the source or object code must include the
 *    copyright notice above and the following disclaimer of warranties; and
 * 2. No rights are granted, in any manner or form, to use Whistle
 *    Communications, Inc. trademarks, including the mark "WHISTLE
 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
 *    such appears in the above copyright notice or in the software.
 * 
 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * Author: Archie Cobbs <archie@freebsd.org>
 */

#ifndef _DEV_ICHSMB_ICHSMB_VAR_H
#define _DEV_ICHSMB_ICHSMB_VAR_H

#include "smbus_if.h"

#define ICHSMB_FEATURE_BLOCK_BUFFER 0x01        /* supports 32 byte block buffer */

/* Per-device private info */
struct ichsmb_softc {

        /* Device/bus stuff */
        device_t                dev;            /* this device */
        device_t                smb;            /* smb device */
        struct resource         *io_res;        /* i/o port resource */
        int                     io_rid;         /* i/o port bus id */
        struct resource         *irq_res;       /* interrupt resource */
        int                     irq_rid;        /* interrupt bus id */
        void                    *irq_handle;    /* handle for interrupt code */
        uint32_t                features;       /* supported device features */

        /* Device state */
        int                     ich_cmd;        /* ich command, or -1 */
        int                     smb_error;      /* result of smb command */
        int                     block_count;    /* count for block read/write */
        int                     block_index;    /* index for block read/write */
        bool                    block_write;    /* block write or block read */
        uint8_t                 block_data[32]; /* block read/write data */
        bool                    killed;         /* killed current transfer */
        struct mtx              mutex;          /* device mutex */
};
typedef struct ichsmb_softc *sc_p;

/* SMBus methods */
extern smbus_callback_t ichsmb_callback;        
extern smbus_quick_t    ichsmb_quick;   
extern smbus_sendb_t    ichsmb_sendb;   
extern smbus_recvb_t    ichsmb_recvb;   
extern smbus_writeb_t   ichsmb_writeb;  
extern smbus_writew_t   ichsmb_writew;  
extern smbus_readb_t    ichsmb_readb;   
extern smbus_readw_t    ichsmb_readw;   
extern smbus_pcall_t    ichsmb_pcall;   
extern smbus_bwrite_t   ichsmb_bwrite;  
extern smbus_bread_t    ichsmb_bread;   

/* Other functions */
extern void     ichsmb_device_intr(void *cookie);
extern void     ichsmb_release_resources(sc_p sc);
extern int      ichsmb_probe(device_t dev);
extern int      ichsmb_attach(device_t dev);
extern int      ichsmb_detach(device_t dev);
extern int      ichsmb_shutdown(device_t dev);

#endif /* _DEV_ICHSMB_ICHSMB_VAR_H */
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