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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* Device manager definitions File: cfe_device.h
*
* Structures, constants, etc. for the device manager, which keeps
* track of installed devices in CFE.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED 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), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
#ifndef _CFE_DEVICE_H
#define _CFE_DEVICE_H
#include "lib_queue.h"
typedef struct cfe_devdisp_s cfe_devdisp_t;
/*
* The Device structure defines a particular instance of a device.
* They are generated as a result of calling the cfe_attach call.
*/
typedef struct cfe_device_s {
queue_t dev_next;
char *dev_fullname;
void *dev_softc;
int dev_class;
const cfe_devdisp_t *dev_dispatch;
int dev_opencount;
char *dev_description;
} cfe_device_t;
/*
* This is what gets returned from the OPEN call
*/
typedef struct cfe_devctx_s {
cfe_device_t *dev_dev;
void *dev_softc;
void *dev_openinfo;
} cfe_devctx_t;
/*
* This defines a given device class. Even though there are
* three identical MACs, there is only one of these.
*/
struct cfe_devdisp_s {
int (*dev_open)(cfe_devctx_t *ctx);
int (*dev_read)(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
int (*dev_inpstat)(cfe_devctx_t *ctx,iocb_inpstat_t *inpstat);
int (*dev_write)(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
int (*dev_ioctl)(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
int (*dev_close)(cfe_devctx_t *ctx);
void (*dev_poll)(cfe_devctx_t *ctx,int64_t ticks);
void (*dev_reset)(void *softc); /* called when device is closed, so no devctx_t */
};
typedef struct cfe_driver_s {
char *drv_description; /* Description of device for SHOW commands */
char *drv_bootname; /* Device's name prefix for open() */
int drv_class;
const cfe_devdisp_t *drv_dispatch;
void (*drv_probe)(struct cfe_driver_s *drv,
unsigned long probe_a, unsigned long probe_b,
void *probe_ptr);
} cfe_driver_t;
char *cfe_device_name(cfe_devctx_t *ctx);
void cfe_attach(cfe_driver_t *devname,void *softc,char *bootinfo,char *description);
int cfe_attach_idx(cfe_driver_t *drv,int idx,void *softc,char *bootinfo,char *description);
cfe_device_t *cfe_finddev(char *name);
void cfe_attach_init(void);
#define cfe_add_device(devdescr,a,b,ptr) (devdescr)->drv_probe(devdescr,a,b,ptr)
void cfe_device_reset(void);
#endif
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