mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-26 11:47:31 +00:00
97 lines
3.9 KiB
C
97 lines
3.9 KiB
C
/* $FreeBSD$ */
|
|
|
|
/*
|
|
* 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, struct cdev *dev, struct uio *uio );
|
|
int video_ioctl( bktr_ptr_t bktr, int unit,
|
|
ioctl_cmd_t cmd, caddr_t arg, struct thread* 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 thread* 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 );
|
|
|