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Annotation of sys/dev/pci/bktr/bktr_core.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: bktr_core.h,v 1.3 2004/06/29 12:24:57 mickey Exp $    */
                      2: /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger 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 printf */
                     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_int 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, dev_t dev, struct uio *uio );
                     85: int    video_ioctl( bktr_ptr_t bktr, int unit,
                     86:                        ioctl_cmd_t cmd, caddr_t arg, struct proc* 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 proc* 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: