645 lines
22 KiB
C
645 lines
22 KiB
C
/*-
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* 1. Redistributions of source code must retain the
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* Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Amancio Hasty and
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* Roger Hardiman
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* This is part of the Driver for Video Capture Cards (Frame grabbers)
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* and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
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* chipset.
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* Copyright Roger Hardiman and Amancio Hasty.
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*
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* bktr_audio : This deals with controlling the audio on TV cards,
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* controlling the Audio Multiplexer (audio source selector).
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* controlling any MSP34xx stereo audio decoders.
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* controlling any DPL35xx dolby surroud sound audio decoders.
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* initialising TDA98xx audio devices.
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*
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*/
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#include "opt_bktr.h" /* Include any kernel config options */
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#ifdef __FreeBSD__
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#if (__FreeBSD_version < 500000)
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#include <machine/clock.h> /* for DELAY */
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#include <pci/pcivar.h>
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#else
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/selinfo.h>
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#include <dev/pci/pcivar.h>
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#endif
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#include <machine/bus.h>
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#include <sys/bus.h>
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#endif
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#ifdef __NetBSD__
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#include <sys/proc.h>
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#include <dev/ic/bt8xx.h> /* NetBSD location of .h files */
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#include <dev/pci/bktr/bktr_reg.h>
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#include <dev/pci/bktr/bktr_core.h>
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#include <dev/pci/bktr/bktr_tuner.h>
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#include <dev/pci/bktr/bktr_card.h>
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#include <dev/pci/bktr/bktr_audio.h>
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#else
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#include <dev/bktr/ioctl_meteor.h>
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#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
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#include <dev/bktr/bktr_reg.h>
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#include <dev/bktr/bktr_core.h>
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#include <dev/bktr/bktr_tuner.h>
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#include <dev/bktr/bktr_card.h>
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#include <dev/bktr/bktr_audio.h>
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#endif
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/*
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* Prototypes for the GV_BCTV2 specific functions.
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*/
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void set_bctv2_audio( bktr_ptr_t bktr );
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void bctv2_gpio_write( bktr_ptr_t bktr, int port, int val );
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/*int bctv2_gpio_read( bktr_ptr_t bktr, int port );*/ /* Not used */
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/*
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* init_audio_devices
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* Reset any MSP34xx or TDA98xx audio devices.
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*/
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void init_audio_devices( bktr_ptr_t bktr ) {
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/* enable stereo if appropriate on TDA audio chip */
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if ( bktr->card.dbx )
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init_BTSC( bktr );
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/* reset the MSP34xx stereo audio chip */
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if ( bktr->card.msp3400c )
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msp_dpl_reset( bktr, bktr->msp_addr );
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/* reset the DPL35xx dolby audio chip */
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if ( bktr->card.dpl3518a )
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msp_dpl_reset( bktr, bktr->dpl_addr );
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}
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/*
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*
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*/
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#define AUDIOMUX_DISCOVER_NOT
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int
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set_audio( bktr_ptr_t bktr, int cmd )
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{
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u_long temp;
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volatile u_char idx;
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#if defined( AUDIOMUX_DISCOVER )
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if ( cmd >= 200 )
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cmd -= 200;
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else
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#endif /* AUDIOMUX_DISCOVER */
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/* check for existance of audio MUXes */
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if ( !bktr->card.audiomuxs[ 4 ] )
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return( -1 );
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switch (cmd) {
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case AUDIO_TUNER:
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#ifdef BKTR_REVERSEMUTE
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bktr->audio_mux_select = 3;
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#else
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bktr->audio_mux_select = 0;
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#endif
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if (bktr->reverse_mute )
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bktr->audio_mux_select = 0;
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else
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bktr->audio_mux_select = 3;
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break;
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case AUDIO_EXTERN:
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bktr->audio_mux_select = 1;
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break;
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case AUDIO_INTERN:
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bktr->audio_mux_select = 2;
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break;
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case AUDIO_MUTE:
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bktr->audio_mute_state = TRUE; /* set mute */
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break;
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case AUDIO_UNMUTE:
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bktr->audio_mute_state = FALSE; /* clear mute */
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break;
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default:
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printf("%s: audio cmd error %02x\n", bktr_name(bktr),
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cmd);
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return( -1 );
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}
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/* Most cards have a simple audio multiplexer to select the
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* audio source. The I/O_GV card has a more advanced multiplexer
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* and requires special handling.
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*/
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if ( bktr->bt848_card == CARD_IO_BCTV2 ) {
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set_bctv2_audio( bktr );
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return( 0 );
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}
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/* Proceed with the simpler audio multiplexer code for the majority
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* of Bt848 cards.
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*/
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/*
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* Leave the upper bits of the GPIO port alone in case they control
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* something like the dbx or teletext chips. This doesn't guarantee
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* success, but follows the rule of least astonishment.
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*/
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if ( bktr->audio_mute_state == TRUE ) {
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#ifdef BKTR_REVERSEMUTE
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idx = 0;
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#else
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idx = 3;
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#endif
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if (bktr->reverse_mute )
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idx = 3;
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else
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idx = 0;
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}
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else
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idx = bktr->audio_mux_select;
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temp = INL(bktr, BKTR_GPIO_DATA) & ~bktr->card.gpio_mux_bits;
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#if defined( AUDIOMUX_DISCOVER )
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OUTL(bktr, BKTR_GPIO_DATA, temp | (cmd & 0xff));
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printf("%s: cmd: %d audio mux %x temp %x \n", bktr_name(bktr),
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cmd, bktr->card.audiomuxs[ idx ], temp );
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#else
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OUTL(bktr, BKTR_GPIO_DATA, temp | bktr->card.audiomuxs[ idx ]);
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#endif /* AUDIOMUX_DISCOVER */
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/* Some new Hauppauge cards do not have an audio mux */
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/* Instead we use the MSP34xx chip to select TV audio, Line-In */
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/* FM Radio and Mute */
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/* Examples of this are the Hauppauge 44xxx MSP34xx models */
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/* It is ok to drive both the mux and the MSP34xx chip. */
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/* If there is no mux, the MSP does the switching of the audio source */
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/* If there is a mux, it does the switching of the audio source */
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if ((bktr->card.msp3400c) && (bktr->audio_mux_present == 0)) {
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if (bktr->audio_mute_state == TRUE ) {
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x0000); /* volume to MUTE */
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} else {
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if(bktr->audio_mux_select == 0) { /* TV Tuner */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */
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if (bktr->msp_source_selected != 0) msp_autodetect(bktr); /* setup TV audio mode */
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bktr->msp_source_selected = 0;
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}
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if(bktr->audio_mux_select == 1) { /* Line In */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0000); /* DSP In = SC1_IN_L/R */
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bktr->msp_source_selected = 1;
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}
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if(bktr->audio_mux_select == 2) { /* FM Radio */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */
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msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0200); /* DSP In = SC2_IN_L/R */
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bktr->msp_source_selected = 2;
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}
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}
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}
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return( 0 );
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}
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/*
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*
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*/
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void
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temp_mute( bktr_ptr_t bktr, int flag )
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{
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static int muteState = FALSE;
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if ( flag == TRUE ) {
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muteState = bktr->audio_mute_state;
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set_audio( bktr, AUDIO_MUTE ); /* prevent 'click' */
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}
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else {
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tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 );
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if ( muteState == FALSE )
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set_audio( bktr, AUDIO_UNMUTE );
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}
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}
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/* address of BTSC/SAP decoder chip */
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#define TDA9850_WADDR 0xb6
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#define TDA9850_RADDR 0xb7
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/* registers in the TDA9850 BTSC/dbx chip */
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#define CON1ADDR 0x04
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#define CON2ADDR 0x05
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#define CON3ADDR 0x06
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#define CON4ADDR 0x07
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#define ALI1ADDR 0x08
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#define ALI2ADDR 0x09
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#define ALI3ADDR 0x0a
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/*
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* initialise the dbx chip
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* taken from the Linux bttv driver TDA9850 initialisation code
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*/
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void
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init_BTSC( bktr_ptr_t bktr )
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{
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i2cWrite(bktr, TDA9850_WADDR, CON1ADDR, 0x08); /* noise threshold st */
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i2cWrite(bktr, TDA9850_WADDR, CON2ADDR, 0x08); /* noise threshold sap */
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i2cWrite(bktr, TDA9850_WADDR, CON3ADDR, 0x40); /* stereo mode */
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i2cWrite(bktr, TDA9850_WADDR, CON4ADDR, 0x07); /* 0 dB input gain? */
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i2cWrite(bktr, TDA9850_WADDR, ALI1ADDR, 0x10); /* wideband alignment? */
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i2cWrite(bktr, TDA9850_WADDR, ALI2ADDR, 0x10); /* spectral alignment? */
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i2cWrite(bktr, TDA9850_WADDR, ALI3ADDR, 0x03);
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}
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/*
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* setup the dbx chip
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* XXX FIXME: alot of work to be done here, this merely unmutes it.
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*/
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int
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set_BTSC( bktr_ptr_t bktr, int control )
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{
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return( i2cWrite( bktr, TDA9850_WADDR, CON3ADDR, control ) );
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}
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/*
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* CARD_GV_BCTV2 specific functions.
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*/
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#define BCTV2_AUDIO_MAIN 0x10 /* main audio program */
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#define BCTV2_AUDIO_SUB 0x20 /* sub audio program */
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#define BCTV2_AUDIO_BOTH 0x30 /* main(L) + sub(R) program */
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#define BCTV2_GPIO_REG0 1
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#define BCTV2_GPIO_REG1 3
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#define BCTV2_GR0_AUDIO_MODE 3
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#define BCTV2_GR0_AUDIO_MAIN 0 /* main program */
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#define BCTV2_GR0_AUDIO_SUB 3 /* sub program */
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#define BCTV2_GR0_AUDIO_BOTH 1 /* main(L) + sub(R) */
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#define BCTV2_GR0_AUDIO_MUTE 4 /* audio mute */
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#define BCTV2_GR0_AUDIO_MONO 8 /* force mono */
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void
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set_bctv2_audio( bktr_ptr_t bktr )
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{
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int data;
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switch (bktr->audio_mux_select) {
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case 1: /* external */
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case 2: /* internal */
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bctv2_gpio_write(bktr, BCTV2_GPIO_REG1, 0);
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break;
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default: /* tuner */
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bctv2_gpio_write(bktr, BCTV2_GPIO_REG1, 1);
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break;
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}
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/* switch (bktr->audio_sap_select) { */
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switch (BCTV2_AUDIO_BOTH) {
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case BCTV2_AUDIO_SUB:
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data = BCTV2_GR0_AUDIO_SUB;
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break;
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case BCTV2_AUDIO_BOTH:
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data = BCTV2_GR0_AUDIO_BOTH;
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break;
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case BCTV2_AUDIO_MAIN:
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default:
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data = BCTV2_GR0_AUDIO_MAIN;
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break;
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}
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if (bktr->audio_mute_state == TRUE)
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data |= BCTV2_GR0_AUDIO_MUTE;
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bctv2_gpio_write(bktr, BCTV2_GPIO_REG0, data);
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return;
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}
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/* gpio_data bit assignment */
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#define BCTV2_GPIO_ADDR_MASK 0x000300
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#define BCTV2_GPIO_WE 0x000400
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#define BCTV2_GPIO_OE 0x000800
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#define BCTV2_GPIO_VAL_MASK 0x00f000
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#define BCTV2_GPIO_PORT_MASK 3
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#define BCTV2_GPIO_ADDR_SHIFT 8
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#define BCTV2_GPIO_VAL_SHIFT 12
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/* gpio_out_en value for read/write */
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#define BCTV2_GPIO_OUT_RMASK 0x000f00
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#define BCTV2_GPIO_OUT_WMASK 0x00ff00
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#define BCTV2_BITS 100
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void
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bctv2_gpio_write( bktr_ptr_t bktr, int port, int val )
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{
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u_long data, outbits;
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port &= BCTV2_GPIO_PORT_MASK;
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switch (port) {
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case 1:
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case 3:
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data = ((val << BCTV2_GPIO_VAL_SHIFT) & BCTV2_GPIO_VAL_MASK) |
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((port << BCTV2_GPIO_ADDR_SHIFT) & BCTV2_GPIO_ADDR_MASK) |
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BCTV2_GPIO_WE | BCTV2_GPIO_OE;
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outbits = BCTV2_GPIO_OUT_WMASK;
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break;
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default:
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return;
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}
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OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
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OUTL(bktr, BKTR_GPIO_DATA, data);
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OUTL(bktr, BKTR_GPIO_OUT_EN, outbits);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV2_GPIO_WE);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, data);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, ~0);
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OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
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}
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/* Not yet used
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int
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bctv2_gpio_read( bktr_ptr_t bktr, int port )
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{
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u_long data, outbits, ret;
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port &= BCTV2_GPIO_PORT_MASK;
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switch (port) {
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case 1:
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case 3:
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data = ((port << BCTV2_GPIO_ADDR_SHIFT) & BCTV2_GPIO_ADDR_MASK) |
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BCTV2_GPIO_WE | BCTV2_GPIO_OE;
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outbits = BCTV2_GPIO_OUT_RMASK;
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break;
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default:
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return( -1 );
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}
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OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
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OUTL(bktr, BKTR_GPIO_DATA, data);
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OUTL(bktr, BKTR_GPIO_OUT_EN, outbits);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV2_GPIO_OE);
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DELAY(BCTV2_BITS);
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ret = INL(bktr, BKTR_GPIO_DATA);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, data);
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DELAY(BCTV2_BITS);
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OUTL(bktr, BKTR_GPIO_DATA, ~0);
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OUTL(bktr, BKTR_GPIO_OUT_EN, 0);
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return( (ret & BCTV2_GPIO_VAL_MASK) >> BCTV2_GPIO_VAL_SHIFT );
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}
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*/
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/*
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* setup the MSP34xx Stereo Audio Chip
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* This uses the Auto Configuration Option on MSP3410D and MSP3415D chips
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* and DBX mode selection for MSP3430G chips.
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* For MSP3400C support, the full programming sequence is required and is
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* not yet supported.
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*/
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/* Read the MSP version string */
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void msp_read_id( bktr_ptr_t bktr ){
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int rev1=0, rev2=0;
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rev1 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001e);
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rev2 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001f);
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|
|
|
sprintf(bktr->msp_version_string, "34%02d%c-%c%d",
|
|
(rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f);
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|
|
|
}
|
|
|
|
|
|
/* Configure the MSP chip to Auto-detect the audio format.
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|
* For the MSP3430G, we use fast autodetect mode
|
|
* For the MSP3410/3415 there are two schemes for this
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|
* a) Fast autodetection - the chip is put into autodetect mode, and the function
|
|
* returns immediatly. This works in most cases and is the Default Mode.
|
|
* b) Slow mode. The function sets the MSP3410/3415 chip, then waits for feedback from
|
|
* the chip and re-programs it if needed.
|
|
*/
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void msp_autodetect( bktr_ptr_t bktr ) {
|
|
|
|
#ifdef BKTR_NEW_MSP34XX_DRIVER
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|
|
|
/* Just wake up the (maybe) sleeping thread, it'll do everything for us */
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|
msp_wake_thread(bktr);
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|
|
|
#else
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|
int auto_detect, loops;
|
|
int stereo;
|
|
|
|
/* MSP3430G - countries with mono and DBX stereo */
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|
if (strncmp("3430G", bktr->msp_version_string, 5) == 0){
|
|
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0030,0x2003);/* Enable Auto format detection */
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|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0020);/* Standard Select Reg. = BTSC-Stereo*/
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|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000E,0x2403);/* darned if I know */
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|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0320);/* Source select = (St or A) */
|
|
/* & Ch. Matrix = St */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
|
|
}
|
|
|
|
|
|
/* MSP3415D SPECIAL CASE Use the Tuner's Mono audio output for the MSP */
|
|
/* (for Hauppauge 44xxx card with Tuner Type 0x2a) */
|
|
else if ( ( (strncmp("3415D", bktr->msp_version_string, 5) == 0)
|
|
&&(bktr->msp_use_mono_source == 1)
|
|
)
|
|
|| (bktr->slow_msp_audio == 2) ){
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0100); /* DSP In = MONO IN */
|
|
}
|
|
|
|
|
|
/* MSP3410/MSP3415 - countries with mono, stereo using 2 FM channels and NICAM */
|
|
/* FAST sound scheme */
|
|
else if (bktr->slow_msp_audio == 0) {
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Spkr Source = default(FM/AM) */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */
|
|
}
|
|
|
|
|
|
/* MSP3410/MSP3415 - European Countries where the fast MSP3410/3415 programming fails */
|
|
/* SLOW sound scheme */
|
|
else if ( bktr->slow_msp_audio == 1) {
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */
|
|
|
|
/* wait for 0.5s max for terrestrial sound autodetection */
|
|
loops = 10;
|
|
do {
|
|
DELAY(100000);
|
|
auto_detect = msp_dpl_read(bktr, bktr->msp_addr, 0x10, 0x007e);
|
|
loops++;
|
|
} while (auto_detect > 0xff && loops < 50);
|
|
if (bootverbose)printf ("%s: Result of autodetect after %dms: %d\n",
|
|
bktr_name(bktr), loops*10, auto_detect);
|
|
|
|
/* Now set the audio baseband processing */
|
|
switch (auto_detect) {
|
|
case 0: /* no TV sound standard detected */
|
|
break;
|
|
case 2: /* M Dual FM */
|
|
break;
|
|
case 3: /* B/G Dual FM; German stereo */
|
|
/* Read the stereo detection value from DSP reg 0x0018 */
|
|
DELAY(20000);
|
|
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
|
|
if (bootverbose)printf ("%s: Stereo reg 0x18 a: %d\n",
|
|
bktr_name(bktr), stereo);
|
|
DELAY(20000);
|
|
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
|
|
if (bootverbose)printf ("%s: Stereo reg 0x18 b: %d\n",
|
|
bktr_name(bktr), stereo);
|
|
DELAY(20000);
|
|
stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018);
|
|
if (bootverbose)printf ("%s: Stereo reg 0x18 c: %d\n",
|
|
bktr_name(bktr), stereo);
|
|
if (stereo > 0x0100 && stereo < 0x8000) { /* Seems to be stereo */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker set stereo*/
|
|
/*
|
|
set spatial effect strength to 50% enlargement
|
|
set spatial effect mode b, stereo basewidth enlargment only
|
|
*/
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f28);
|
|
} else if (stereo > 0x8000) { /* bilingual mode */
|
|
if (bootverbose) printf ("%s: Bilingual mode detected\n",
|
|
bktr_name(bktr));
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Loudspeaker */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x0000);/* all spatial effects off */
|
|
} else { /* must be mono */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0030);/* Loudspeaker */
|
|
/*
|
|
set spatial effect strength to 50% enlargement
|
|
set spatial effect mode a, stereo basewidth enlargment
|
|
and pseudo stereo effect with automatic high-pass filter
|
|
*/
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f08);
|
|
}
|
|
#if 0
|
|
/* The reset value for Channel matrix mode is FM/AM and SOUNDA/LEFT */
|
|
/* We would like STEREO instead val: 0x0020 */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0009,0x0020);/* Headphone */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000a,0x0020);/* SCART1 */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0041,0x0020);/* SCART2 */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000b,0x0020);/* I2S */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000c,0x0020);/* Quasi-Peak Detector Source */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000e,0x0001);
|
|
#endif
|
|
break;
|
|
case 8: /* B/G FM NICAM */
|
|
msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */
|
|
break;
|
|
case 9: /* L_AM NICAM or D/K*/
|
|
case 10: /* i-FM NICAM */
|
|
break;
|
|
default:
|
|
if (bootverbose) printf ("%s: Unknown autodetection result value: %d\n",
|
|
bktr_name(bktr), auto_detect);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/* uncomment the following line to enable the MSP34xx 1Khz Tone Generator */
|
|
/* turn your speaker volume down low before trying this */
|
|
/* msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0014, 0x7f40); */
|
|
|
|
#endif /* BKTR_NEW_MSP34XX_DRIVER */
|
|
}
|
|
|
|
/* Read the DPL version string */
|
|
void dpl_read_id( bktr_ptr_t bktr ){
|
|
int rev1=0, rev2=0;
|
|
rev1 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001e);
|
|
rev2 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001f);
|
|
|
|
sprintf(bktr->dpl_version_string, "34%02d%c-%c%d",
|
|
((rev2>>8)&0xff)-1, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f);
|
|
}
|
|
|
|
/* Configure the DPL chip to Auto-detect the audio format */
|
|
void dpl_autodetect( bktr_ptr_t bktr ) {
|
|
|
|
/* The following are empiric values tried from the DPL35xx data sheet */
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x000c,0x0320); /* quasi peak detector source dolby
|
|
lr 0x03xx; quasi peak detector matrix
|
|
stereo 0xXX20 */
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0040,0x0060); /* Surround decoder mode;
|
|
ADAPTIVE/3D-PANORAMA, that means two
|
|
speakers and no center speaker, all
|
|
channels L/R/C/S mixed to L and R */
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0041,0x0620); /* surround source matrix;I2S2/STEREO*/
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0042,0x1F00); /* surround delay 31ms max */
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0043,0x0000); /* automatic surround input balance */
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0044,0x4000); /* surround spatial effect 50%
|
|
recommended*/
|
|
msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0045,0x5400); /* surround panorama effect 66%
|
|
recommended with PANORAMA mode
|
|
in 0x0040 set to panorama */
|
|
}
|
|
|