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Annotation of sys/dev/pci/bktr/bktr_audio.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: bktr_audio.h,v 1.2 2004/03/19 09:14:15 mickey Exp $   */
        !             2: /* $FreeBSD: src/sys/dev/bktr/bktr_audio.h,v 1.2 1999/10/28 13:58:14 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_audio : This deals with controlling the audio on TV cards,
        !            11:  *                controlling the Audio Multiplexer (audio source selector).
        !            12:  *                controlling any MSP34xx stereo audio decoders.
        !            13:  *                controlling any DPL35xx dolby surround sound audio decoders.
        !            14:  *                initialising TDA98xx audio devices.
        !            15:  *
        !            16:  */
        !            17:
        !            18: /*
        !            19:  * 1. Redistributions of source code must retain the
        !            20:  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
        !            21:  * All rights reserved.
        !            22:  *
        !            23:  * Redistribution and use in source and binary forms, with or without
        !            24:  * modification, are permitted provided that the following conditions
        !            25:  * are met:
        !            26:  * 1. Redistributions of source code must retain the above copyright
        !            27:  *    notice, this list of conditions and the following disclaimer.
        !            28:  * 2. Redistributions in binary form must reproduce the above copyright
        !            29:  *    notice, this list of conditions and the following disclaimer in the
        !            30:  *    documentation and/or other materials provided with the distribution.
        !            31:  * 3. All advertising materials mentioning features or use of this software
        !            32:  *    must display the following acknowledgement:
        !            33:  *      This product includes software developed by Amancio Hasty and
        !            34:  *      Roger Hardiman
        !            35:  * 4. The name of the author may not be used to endorse or promote products
        !            36:  *    derived from this software without specific prior written permission.
        !            37:  *
        !            38:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            39:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            40:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            41:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            42:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            43:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            44:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            45:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            46:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            47:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            48:  * POSSIBILITY OF SUCH DAMAGE.
        !            49:  */
        !            50:
        !            51: /*
        !            52:  * Select Audio source, and allow muting
        !            53:  */
        !            54: int    set_audio( bktr_ptr_t bktr, int mode );
        !            55: void   temp_mute( bktr_ptr_t bktr, int flag );
        !            56:
        !            57:
        !            58: /*
        !            59:  * Initialise any MSP or TDA devices
        !            60:  */
        !            61: void   init_audio_devices( bktr_ptr_t bktr );
        !            62:
        !            63:
        !            64: /*
        !            65:  * MSP34xx Audio Chip functions.
        !            66:  */
        !            67: void   msp_autodetect( bktr_ptr_t bktr );
        !            68: void   msp_read_id( bktr_ptr_t bktr );
        !            69:
        !            70:
        !            71: /*
        !            72:  * DPL35xx Audio Chip functions.
        !            73:  */
        !            74: void   dpl_autodetect( bktr_ptr_t bktr );
        !            75: void   dpl_read_id( bktr_ptr_t bktr );
        !            76:
        !            77:
        !            78: /*
        !            79:  * TDA98xx Audio Chip functions.
        !            80:  */
        !            81: void   init_BTSC( bktr_ptr_t bktr );
        !            82: int    set_BTSC( bktr_ptr_t bktr, int control );
        !            83:
        !            84:
        !            85: