sys/dev/video/bktr/bktr_core.h

   1 /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.7 2005/01/06 01:42:31 imp Exp $ */
   2 /* $DragonFly: src/sys/dev/video/bktr/bktr_core.h,v 1.7 2007/10/03 19:27:08 swildner Exp $ */
   3
   4 /*
   5  * This is part of the Driver for Video Capture Cards (Frame grabbers)
   6  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
   7  * chipset.
   8  * Copyright Roger Hardiman and Amancio Hasty.
   9  *
  10  * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
  11  *               Handles all the open, close, ioctl and read userland calls.
  12  *               Sets the Bt848 registers and generates RISC pograms.
  13  *               Controls the i2c bus and GPIO interface.
  14  *               Contains the interface to the kernel.
  15  *               (eg probe/attach and open/close/ioctl)
  16  *
  17  */
  18
  19 /*-
  20  * 1. Redistributions of source code must retain the
  21  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
  22  * All rights reserved.
  23  *
  24  * Redistribution and use in source and binary forms, with or without
  25  * modification, are permitted provided that the following conditions
  26  * are met:
  27  * 1. Redistributions of source code must retain the above copyright
  28  *    notice, this list of conditions and the following disclaimer.
  29  * 2. Redistributions in binary form must reproduce the above copyright
  30  *    notice, this list of conditions and the following disclaimer in the
  31  *    documentation and/or other materials provided with the distribution.
  32  * 3. All advertising materials mentioning features or use of this software
  33  *    must display the following acknowledgement:
  34  *      This product includes software developed by Amancio Hasty and
  35  *      Roger Hardiman
  36  * 4. The name of the author may not be used to endorse or promote products
  37  *    derived from this software without specific prior written permission.
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  40  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  41  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  42  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  43  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  44  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  45  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  47  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  48  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  49  * POSSIBILITY OF SUCH DAMAGE.
  50  */
  51
  52
  53 int             i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 );
  54 int             i2cRead( bktr_ptr_t bktr, int addr );
  55
  56 void            msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr );
  57 unsigned int    msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr );
  58 void            msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev,
  59                                unsigned int addr, unsigned int data );
  60
  61
  62 /*
  63  * Defines for userland processes blocked in this driver
  64  *   For /dev/bktr[n] use memory address of bktr structure
  65  *   For /dev/vbi[n] use memory address of bktr structure + 1
  66  *                   this is ok as the bktr structure is > 1 byte
  67  */
  68 #define BKTR_SLEEP  ((caddr_t)bktr    )
  69 #define VBI_SLEEP   ((caddr_t)bktr + 1)
  70
  71
  72 /* device name for kprintf */
  73 const char *bktr_name(bktr_ptr_t bktr);
  74
  75 /* Prototypes for attatch and interrupt functions */
  76 void    common_bktr_attach( bktr_ptr_t bktr, int unit,
  77                         u_long pci_id, u_int rev );
  78 int     common_bktr_intr( void *arg );
  79
  80
  81 /* Prototypes for open, close, read, mmap and ioctl calls */
  82 int     video_open( bktr_ptr_t bktr );
  83 int     video_close( bktr_ptr_t bktr );
  84 int     video_read( bktr_ptr_t bktr, int unit, cdev_t dev, struct uio *uio );
  85 int     video_ioctl( bktr_ptr_t bktr, int unit,
  86                         ioctl_cmd_t cmd, caddr_t arg, struct thread* pr );
  87
  88
  89 int     tuner_open( bktr_ptr_t bktr );
  90 int     tuner_close( bktr_ptr_t bktr );
  91 int     tuner_ioctl( bktr_ptr_t bktr, int unit,
  92                         ioctl_cmd_t cmd, caddr_t arg, struct thread* pr );
  93
  94 int     vbi_open( bktr_ptr_t bktr );
  95 int     vbi_close( bktr_ptr_t bktr );
  96 int     vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );
  97