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/* $OpenBSD: bktr_core.h,v 1.2 2003/01/05 01:24:53 mickey Exp $ */
/* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp $ */
/*
* This is part of the Driver for Video Capture Cards (Frame grabbers)
* and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
* chipset.
* Copyright Roger Hardiman and Amancio Hasty.
*
* bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
* Handles all the open, close, ioctl and read userland calls.
* Sets the Bt848 registers and generates RISC pograms.
* Controls the i2c bus and GPIO interface.
* Contains the interface to the kernel.
* (eg probe/attach and open/close/ioctl)
*
*/
/*
* 1. Redistributions of source code must retain the
* Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Amancio Hasty and
* Roger Hardiman
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 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 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) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 );
int i2cRead( bktr_ptr_t bktr, int addr );
void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr );
unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr );
void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev,
unsigned int addr, unsigned int data );
/*
* Defines for userland processes blocked in this driver
* For /dev/bktr[n] use memory address of bktr structure
* For /dev/vbi[n] use memory address of bktr structure + 1
* this is ok as the bktr structure is > 1 byte
*/
#define BKTR_SLEEP ((caddr_t)bktr )
#define VBI_SLEEP ((caddr_t)bktr + 1)
/* device name for printf */
const char *bktr_name(bktr_ptr_t bktr);
/* Prototypes for attatch and interrupt functions */
void common_bktr_attach( bktr_ptr_t bktr, int unit,
u_long pci_id, u_int rev );
int common_bktr_intr( void *arg );
/* Prototypes for open, close, read, mmap and ioctl calls */
int video_open( bktr_ptr_t bktr );
int video_close( bktr_ptr_t bktr );
int video_read( bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio );
int video_ioctl( bktr_ptr_t bktr, int unit,
ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
int tuner_open( bktr_ptr_t bktr );
int tuner_close( bktr_ptr_t bktr );
int tuner_ioctl( bktr_ptr_t bktr, int unit,
ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
int vbi_open( bktr_ptr_t bktr );
int vbi_close( bktr_ptr_t bktr );
int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );
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