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