sys/dev/pci/bktr/bktr_core.h

   1 /* $SourceForge: bktr_core.h,v 1.3 2003/03/11 23:11:23 thomasklausner Exp $ */
   2
   3 /*      $NetBSD: bktr_core.h,v 1.9 2007/03/04 06:02:27 christos Exp $   */
   4 /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp$ */
   5
   6 /*
   7  * This is part of the Driver for Video Capture Cards (Frame grabbers)
   8  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
   9  * chipset.
  10  * Copyright Roger Hardiman and Amancio Hasty.
  11  *
  12  * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
  13  *               Handles all the open, close, ioctl and read userland calls.
  14  *               Sets the Bt848 registers and generates RISC pograms.
  15  *               Controls the i2c bus and GPIO interface.
  16  *               Contains the interface to the kernel.
  17  *               (eg probe/attach and open/close/ioctl)
  18  *
  19  */
  20
  21 /*
  22  * 1. Redistributions of source code must retain the
  23  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
  24  * All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by Amancio Hasty and
  37  *      Roger Hardiman
  38  * 4. The name of the author may not be used to endorse or promote products
  39  *    derived from this software without specific prior written permission.
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  42  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  43  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  44  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  45  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  46  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  47  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  50  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  51  * POSSIBILITY OF SUCH DAMAGE.
  52  */
  53
  54
  55 int             i2cWrite(bktr_ptr_t bktr, int addr, int byte1, int byte2);
  56 int             i2cRead(bktr_ptr_t bktr, int addr);
  57
  58 void            msp_dpl_reset(bktr_ptr_t bktr, int i2d_addr);
  59 unsigned int    msp_dpl_read(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr);
  60 void            msp_dpl_write(bktr_ptr_t bktr, int i2c_addr, unsigned char dev,
  61                                unsigned int addr, unsigned int data);
  62
  63
  64 /*
  65  * Defines for userland processes blocked in this driver
  66  *   For /dev/bktr[n] use memory address of bktr structure
  67  *   For /dev/vbi[n] use memory address of bktr structure + 1
  68  *                   this is ok as the bktr structure is > 1 byte
  69  */
  70 #define BKTR_SLEEP  ((void *)bktr)
  71 #define VBI_SLEEP   ((char *)bktr + 1)
  72
  73
  74 /* device name for printf */
  75 const char *bktr_name(bktr_ptr_t bktr);
  76
  77 /* Prototypes for attatch and interrupt functions */
  78 int     common_bktr_attach(bktr_ptr_t bktr, int unit,
  79                         u_int pci_id, u_int rev);
  80 int     common_bktr_intr(void *arg);
  81
  82
  83 /* Prototypes for open, close, read, mmap and ioctl calls */
  84 int     video_open(bktr_ptr_t bktr);
  85 int     video_close(bktr_ptr_t bktr);
  86 int     video_read(bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio);
  87 int     video_ioctl(bktr_ptr_t bktr, int unit,
  88                         ioctl_cmd_t cmd, void *arg, struct lwp* pr);
  89
  90
  91 int     tuner_open(bktr_ptr_t bktr);
  92 int     tuner_close(bktr_ptr_t bktr);
  93 int     tuner_ioctl(bktr_ptr_t bktr, int unit,
  94                         ioctl_cmd_t cmd, void *arg, struct lwp* pr);
  95
  96 int     vbi_open(bktr_ptr_t bktr);
  97 int     vbi_close(bktr_ptr_t bktr);
  98 int     vbi_read(bktr_ptr_t bktr, struct uio *uio, int ioflag);
  99