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      1 /* $SourceForge: bktr_core.h,v 1.3 2003/03/11 23:11:23 thomasklausner Exp $ */
      2 
      3 /*	$NetBSD: bktr_core.h,v 1.12 2022/05/22 11:27:35 andvar 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 programs.
     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 attach 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 
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