bktr_audio.c revision 59014
151694Sroger/* $FreeBSD: head/sys/dev/bktr/bktr_audio.c 59014 2000-04-04 16:54:13Z roger $ */ 251694Sroger/* 351694Sroger * This is part of the Driver for Video Capture Cards (Frame grabbers) 451694Sroger * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 551694Sroger * chipset. 651694Sroger * Copyright Roger Hardiman and Amancio Hasty. 751694Sroger * 851694Sroger * bktr_audio : This deals with controlling the audio on TV cards, 951694Sroger * controlling the Audio Multiplexer (audio source selector). 1051694Sroger * controlling any MSP34xx stereo audio decoders. 1152593Sroger * controlling any DPL35xx dolby surroud sound audio decoders. 1251694Sroger * initialising TDA98xx audio devices. 1351694Sroger * 1451694Sroger */ 1551694Sroger 1651694Sroger/* 1751694Sroger * 1. Redistributions of source code must retain the 1851694Sroger * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 1951694Sroger * All rights reserved. 2051694Sroger * 2151694Sroger * Redistribution and use in source and binary forms, with or without 2251694Sroger * modification, are permitted provided that the following conditions 2351694Sroger * are met: 2451694Sroger * 1. Redistributions of source code must retain the above copyright 2551694Sroger * notice, this list of conditions and the following disclaimer. 2651694Sroger * 2. Redistributions in binary form must reproduce the above copyright 2751694Sroger * notice, this list of conditions and the following disclaimer in the 2851694Sroger * documentation and/or other materials provided with the distribution. 2951694Sroger * 3. All advertising materials mentioning features or use of this software 3051694Sroger * must display the following acknowledgement: 3151694Sroger * This product includes software developed by Amancio Hasty and 3251694Sroger * Roger Hardiman 3351694Sroger * 4. The name of the author may not be used to endorse or promote products 3451694Sroger * derived from this software without specific prior written permission. 3551694Sroger * 3651694Sroger * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 3751694Sroger * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 3851694Sroger * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 3951694Sroger * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 4051694Sroger * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 4151694Sroger * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 4251694Sroger * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4351694Sroger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4451694Sroger * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 4551694Sroger * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 4651694Sroger * POSSIBILITY OF SUCH DAMAGE. 4751694Sroger */ 4851694Sroger 4951694Sroger#include <sys/param.h> 5051694Sroger#include <sys/systm.h> 5151694Sroger#include <sys/kernel.h> 5251694Sroger#include <sys/vnode.h> 5359014Sroger#ifdef __NetBSD__ 5459014Sroger#include <sys/proc.h> 5559014Srogerstatic int bootverbose = 1; 5659014Sroger#endif 5751694Sroger 5859014Sroger#ifdef __FreeBSD__ 5951694Sroger#include <machine/clock.h> /* for DELAY */ 6051694Sroger#include <pci/pcivar.h> 6159014Sroger#endif 6251694Sroger 6359014Sroger#if (__FreeBSD_version >=300000) 6459014Sroger#include <machine/bus_memio.h> /* for bus space */ 6559014Sroger#include <machine/bus.h> 6659014Sroger#include <sys/bus.h> 6759014Sroger#endif 6859014Sroger 6959014Sroger#ifdef __NetBSD__ 7059014Sroger#include <dev/ic/ioctl_meteor.h> /* NetBSD location of .h files */ 7159014Sroger#include <dev/ic/ioctl_bt848.h> 7259014Sroger#else 7359014Sroger#include <machine/ioctl_meteor.h> /* Traditional location of .h files */ 7451694Sroger#include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 7559014Sroger#endif 7651694Sroger#include <dev/bktr/bktr_reg.h> 7751694Sroger#include <dev/bktr/bktr_core.h> 7851694Sroger#include <dev/bktr/bktr_tuner.h> 7951694Sroger#include <dev/bktr/bktr_card.h> 8051694Sroger#include <dev/bktr/bktr_audio.h> 8151694Sroger 8251694Sroger 8351694Sroger/* 8451694Sroger * Prototypes for the GV_BCTV specific functions. 8551694Sroger */ 8651694Srogervoid set_bctv_audio( bktr_ptr_t bktr ); 8751694Srogervoid bctv_gpio_write( bktr_ptr_t bktr, int port, int val ); 8851694Sroger/*int bctv_gpio_read( bktr_ptr_t bktr, int port );*/ /* Not used */ 8951694Sroger 9051694Sroger 9151694Sroger 9251694Sroger/* 9351694Sroger * init_audio_devices 9451694Sroger * Reset any MSP34xx or TDA98xx audio devices. 9551694Sroger */ 9651694Srogervoid init_audio_devices( bktr_ptr_t bktr ) { 9751694Sroger 9851694Sroger /* enable stereo if appropriate on TDA audio chip */ 9951694Sroger if ( bktr->card.dbx ) 10051694Sroger init_BTSC( bktr ); 10151694Sroger 10251694Sroger /* reset the MSP34xx stereo audio chip */ 10351694Sroger if ( bktr->card.msp3400c ) 10452593Sroger msp_dpl_reset( bktr, bktr->msp_addr ); 10551694Sroger 10652593Sroger /* reset the DPL35xx dolby audio chip */ 10752593Sroger if ( bktr->card.dpl3518a ) 10852593Sroger msp_dpl_reset( bktr, bktr->dpl_addr ); 10952593Sroger 11051694Sroger} 11151694Sroger 11251694Sroger 11351694Sroger/* 11451694Sroger * 11551694Sroger */ 11651694Sroger#define AUDIOMUX_DISCOVER_NOT 11751694Srogerint 11851694Srogerset_audio( bktr_ptr_t bktr, int cmd ) 11951694Sroger{ 12051694Sroger u_long temp; 12151694Sroger volatile u_char idx; 12251694Sroger 12351694Sroger#if defined( AUDIOMUX_DISCOVER ) 12451694Sroger if ( cmd >= 200 ) 12551694Sroger cmd -= 200; 12651694Sroger else 12751694Sroger#endif /* AUDIOMUX_DISCOVER */ 12851694Sroger 12951694Sroger /* check for existance of audio MUXes */ 13051694Sroger if ( !bktr->card.audiomuxs[ 4 ] ) 13151694Sroger return( -1 ); 13251694Sroger 13351694Sroger switch (cmd) { 13451694Sroger case AUDIO_TUNER: 13551694Sroger#ifdef BKTR_REVERSEMUTE 13651694Sroger bktr->audio_mux_select = 3; 13751694Sroger#else 13851694Sroger bktr->audio_mux_select = 0; 13951694Sroger#endif 14051694Sroger 14151694Sroger if (bktr->reverse_mute ) 14251694Sroger bktr->audio_mux_select = 0; 14351694Sroger else 14451694Sroger bktr->audio_mux_select = 3; 14551694Sroger 14651694Sroger break; 14751694Sroger case AUDIO_EXTERN: 14851694Sroger bktr->audio_mux_select = 1; 14951694Sroger break; 15051694Sroger case AUDIO_INTERN: 15151694Sroger bktr->audio_mux_select = 2; 15251694Sroger break; 15351694Sroger case AUDIO_MUTE: 15451694Sroger bktr->audio_mute_state = TRUE; /* set mute */ 15551694Sroger break; 15651694Sroger case AUDIO_UNMUTE: 15751694Sroger bktr->audio_mute_state = FALSE; /* clear mute */ 15851694Sroger break; 15951694Sroger default: 16051694Sroger printf("bktr: audio cmd error %02x\n", cmd); 16151694Sroger return( -1 ); 16251694Sroger } 16351694Sroger 16451694Sroger 16551694Sroger /* Most cards have a simple audio multiplexer to select the 16651694Sroger * audio source. The I/O_GV card has a more advanced multiplexer 16751694Sroger * and requires special handling. 16851694Sroger */ 16951694Sroger if ( bktr->bt848_card == CARD_IO_GV ) { 17051694Sroger set_bctv_audio( bktr ); 17151694Sroger return( 0 ); 17251694Sroger } 17351694Sroger 17451694Sroger /* Proceed with the simpler audio multiplexer code for the majority 17551694Sroger * of Bt848 cards. 17651694Sroger */ 17751694Sroger 17851694Sroger /* 17951694Sroger * Leave the upper bits of the GPIO port alone in case they control 18051694Sroger * something like the dbx or teletext chips. This doesn't guarantee 18151694Sroger * success, but follows the rule of least astonishment. 18251694Sroger */ 18351694Sroger 18451694Sroger if ( bktr->audio_mute_state == TRUE ) { 18551694Sroger#ifdef BKTR_REVERSEMUTE 18651694Sroger idx = 0; 18751694Sroger#else 18851694Sroger idx = 3; 18951694Sroger#endif 19051694Sroger 19151694Sroger if (bktr->reverse_mute ) 19251694Sroger idx = 3; 19351694Sroger else 19451694Sroger idx = 0; 19551694Sroger 19651694Sroger } 19751694Sroger else 19851694Sroger idx = bktr->audio_mux_select; 19951694Sroger 20059014Sroger temp = INL(bktr, BKTR_GPIO_DATA) & ~bktr->card.gpio_mux_bits; 20151694Sroger#if defined( AUDIOMUX_DISCOVER ) 20259014Sroger OUTL(bktr, BKTR_GPIO_DATA, temp | (cmd & 0xff)); 20359014Sroger printf("cmd: %d audio mux %x temp %x \n", cmd,bktr->card.audiomuxs[ idx ], temp ); 20451694Sroger#else 20559014Sroger OUTL(bktr, BKTR_GPIO_DATA, temp | bktr->card.audiomuxs[ idx ]); 20651694Sroger#endif /* AUDIOMUX_DISCOVER */ 20751694Sroger 20851694Sroger return( 0 ); 20951694Sroger} 21051694Sroger 21151694Sroger 21251694Sroger/* 21351694Sroger * 21451694Sroger */ 21551694Srogervoid 21651694Srogertemp_mute( bktr_ptr_t bktr, int flag ) 21751694Sroger{ 21851694Sroger static int muteState = FALSE; 21951694Sroger 22051694Sroger if ( flag == TRUE ) { 22151694Sroger muteState = bktr->audio_mute_state; 22251694Sroger set_audio( bktr, AUDIO_MUTE ); /* prevent 'click' */ 22351694Sroger } 22451694Sroger else { 22551694Sroger tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 ); 22651694Sroger if ( muteState == FALSE ) 22751694Sroger set_audio( bktr, AUDIO_UNMUTE ); 22851694Sroger } 22951694Sroger} 23051694Sroger 23151694Sroger/* address of BTSC/SAP decoder chip */ 23251694Sroger#define TDA9850_WADDR 0xb6 23351694Sroger#define TDA9850_RADDR 0xb7 23451694Sroger 23551694Sroger 23651694Sroger/* registers in the TDA9850 BTSC/dbx chip */ 23751694Sroger#define CON1ADDR 0x04 23851694Sroger#define CON2ADDR 0x05 23951694Sroger#define CON3ADDR 0x06 24051694Sroger#define CON4ADDR 0x07 24151694Sroger#define ALI1ADDR 0x08 24251694Sroger#define ALI2ADDR 0x09 24351694Sroger#define ALI3ADDR 0x0a 24451694Sroger 24551694Sroger/* 24651694Sroger * initialise the dbx chip 24751694Sroger * taken from the Linux bttv driver TDA9850 initialisation code 24851694Sroger */ 24951694Srogervoid 25051694Srogerinit_BTSC( bktr_ptr_t bktr ) 25151694Sroger{ 25251694Sroger i2cWrite(bktr, TDA9850_WADDR, CON1ADDR, 0x08); /* noise threshold st */ 25351694Sroger i2cWrite(bktr, TDA9850_WADDR, CON2ADDR, 0x08); /* noise threshold sap */ 25451694Sroger i2cWrite(bktr, TDA9850_WADDR, CON3ADDR, 0x40); /* stereo mode */ 25551694Sroger i2cWrite(bktr, TDA9850_WADDR, CON4ADDR, 0x07); /* 0 dB input gain? */ 25651694Sroger i2cWrite(bktr, TDA9850_WADDR, ALI1ADDR, 0x10); /* wideband alignment? */ 25751694Sroger i2cWrite(bktr, TDA9850_WADDR, ALI2ADDR, 0x10); /* spectral alignment? */ 25851694Sroger i2cWrite(bktr, TDA9850_WADDR, ALI3ADDR, 0x03); 25951694Sroger} 26051694Sroger 26151694Sroger/* 26251694Sroger * setup the dbx chip 26351694Sroger * XXX FIXME: alot of work to be done here, this merely unmutes it. 26451694Sroger */ 26551694Srogerint 26651694Srogerset_BTSC( bktr_ptr_t bktr, int control ) 26751694Sroger{ 26851694Sroger return( i2cWrite( bktr, TDA9850_WADDR, CON3ADDR, control ) ); 26951694Sroger} 27051694Sroger 27151694Sroger/* 27251694Sroger * CARD_GV_BCTV specific functions. 27351694Sroger */ 27451694Sroger 27551694Sroger#define BCTV_AUDIO_MAIN 0x10 /* main audio program */ 27651694Sroger#define BCTV_AUDIO_SUB 0x20 /* sub audio program */ 27751694Sroger#define BCTV_AUDIO_BOTH 0x30 /* main(L) + sub(R) program */ 27851694Sroger 27951694Sroger#define BCTV_GPIO_REG0 1 28051694Sroger#define BCTV_GPIO_REG1 3 28151694Sroger 28251694Sroger#define BCTV_GR0_AUDIO_MODE 3 28351694Sroger#define BCTV_GR0_AUDIO_MAIN 0 /* main program */ 28451694Sroger#define BCTV_GR0_AUDIO_SUB 3 /* sub program */ 28551694Sroger#define BCTV_GR0_AUDIO_BOTH 1 /* main(L) + sub(R) */ 28651694Sroger#define BCTV_GR0_AUDIO_MUTE 4 /* audio mute */ 28751694Sroger#define BCTV_GR0_AUDIO_MONO 8 /* force mono */ 28851694Sroger 28951694Srogervoid 29051694Srogerset_bctv_audio( bktr_ptr_t bktr ) 29151694Sroger{ 29251694Sroger int data; 29351694Sroger 29451694Sroger switch (bktr->audio_mux_select) { 29551694Sroger case 1: /* external */ 29651694Sroger case 2: /* internal */ 29751694Sroger bctv_gpio_write(bktr, BCTV_GPIO_REG1, 0); 29851694Sroger break; 29951694Sroger default: /* tuner */ 30051694Sroger bctv_gpio_write(bktr, BCTV_GPIO_REG1, 1); 30151694Sroger break; 30251694Sroger } 30351694Sroger/* switch (bktr->audio_sap_select) { */ 30451694Sroger switch (BCTV_AUDIO_BOTH) { 30551694Sroger case BCTV_AUDIO_SUB: 30651694Sroger data = BCTV_GR0_AUDIO_SUB; 30751694Sroger break; 30851694Sroger case BCTV_AUDIO_BOTH: 30951694Sroger data = BCTV_GR0_AUDIO_BOTH; 31051694Sroger break; 31151694Sroger case BCTV_AUDIO_MAIN: 31251694Sroger default: 31351694Sroger data = BCTV_GR0_AUDIO_MAIN; 31451694Sroger break; 31551694Sroger } 31651694Sroger if (bktr->audio_mute_state == TRUE) 31751694Sroger data |= BCTV_GR0_AUDIO_MUTE; 31851694Sroger 31951694Sroger bctv_gpio_write(bktr, BCTV_GPIO_REG0, data); 32051694Sroger 32151694Sroger return; 32251694Sroger} 32351694Sroger 32451694Sroger/* gpio_data bit assignment */ 32551694Sroger#define BCTV_GPIO_ADDR_MASK 0x000300 32651694Sroger#define BCTV_GPIO_WE 0x000400 32751694Sroger#define BCTV_GPIO_OE 0x000800 32851694Sroger#define BCTV_GPIO_VAL_MASK 0x00f000 32951694Sroger 33051694Sroger#define BCTV_GPIO_PORT_MASK 3 33151694Sroger#define BCTV_GPIO_ADDR_SHIFT 8 33251694Sroger#define BCTV_GPIO_VAL_SHIFT 12 33351694Sroger 33451694Sroger/* gpio_out_en value for read/write */ 33551694Sroger#define BCTV_GPIO_OUT_RMASK 0x000f00 33651694Sroger#define BCTV_GPIO_OUT_WMASK 0x00ff00 33751694Sroger 33851694Sroger#define BCTV_BITS 100 33951694Sroger 34051694Srogervoid 34151694Srogerbctv_gpio_write( bktr_ptr_t bktr, int port, int val ) 34251694Sroger{ 34351694Sroger u_long data, outbits; 34451694Sroger 34551694Sroger port &= BCTV_GPIO_PORT_MASK; 34651694Sroger switch (port) { 34751694Sroger case 1: 34851694Sroger case 3: 34951694Sroger data = ((val << BCTV_GPIO_VAL_SHIFT) & BCTV_GPIO_VAL_MASK) | 35051694Sroger ((port << BCTV_GPIO_ADDR_SHIFT) & BCTV_GPIO_ADDR_MASK) | 35151694Sroger BCTV_GPIO_WE | BCTV_GPIO_OE; 35251694Sroger outbits = BCTV_GPIO_OUT_WMASK; 35351694Sroger break; 35451694Sroger default: 35551694Sroger return; 35651694Sroger } 35759014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 35859014Sroger OUTL(bktr, BKTR_GPIO_DATA, data); 35959014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); 36051694Sroger DELAY(BCTV_BITS); 36159014Sroger OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV_GPIO_WE); 36251694Sroger DELAY(BCTV_BITS); 36359014Sroger OUTL(bktr, BKTR_GPIO_DATA, data); 36451694Sroger DELAY(BCTV_BITS); 36559014Sroger OUTL(bktr, BKTR_GPIO_DATA, ~0); 36659014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 36751694Sroger} 36851694Sroger 36951694Sroger/* Not yet used 37051694Srogerint 37151694Srogerbctv_gpio_read( bktr_ptr_t bktr, int port ) 37251694Sroger{ 37351694Sroger u_long data, outbits, ret; 37451694Sroger 37551694Sroger port &= BCTV_GPIO_PORT_MASK; 37651694Sroger switch (port) { 37751694Sroger case 1: 37851694Sroger case 3: 37951694Sroger data = ((port << BCTV_GPIO_ADDR_SHIFT) & BCTV_GPIO_ADDR_MASK) | 38051694Sroger BCTV_GPIO_WE | BCTV_GPIO_OE; 38151694Sroger outbits = BCTV_GPIO_OUT_RMASK; 38251694Sroger break; 38351694Sroger default: 38451694Sroger return( -1 ); 38551694Sroger } 38659014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 38759014Sroger OUTL(bktr, BKTR_GPIO_DATA, data); 38859014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); 38951694Sroger DELAY(BCTV_BITS); 39059014Sroger OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV_GPIO_OE); 39151694Sroger DELAY(BCTV_BITS); 39259014Sroger ret = INL(bktr, BKTR_GPIO_DATA); 39351694Sroger DELAY(BCTV_BITS); 39459014Sroger OUTL(bktr, BKTR_GPIO_DATA, data); 39551694Sroger DELAY(BCTV_BITS); 39659014Sroger OUTL(bktr, BKTR_GPIO_DATA, ~0); 39759014Sroger OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 39851694Sroger return( (ret & BCTV_GPIO_VAL_MASK) >> BCTV_GPIO_VAL_SHIFT ); 39951694Sroger} 40051694Sroger*/ 40151694Sroger 40251694Sroger/* 40351694Sroger * setup the MSP34xx Stereo Audio Chip 40451694Sroger * This uses the Auto Configuration Option on MSP3410D and MSP3415D chips 40551694Sroger * and DBX mode selection for MSP3430G chips. 40651694Sroger * For MSP3400C support, the full programming sequence is required and is 40751694Sroger * not yet supported. 40851694Sroger */ 40951694Sroger 41051694Sroger/* Read the MSP version string */ 41151694Srogervoid msp_read_id( bktr_ptr_t bktr ){ 41251694Sroger int rev1=0, rev2=0; 41352593Sroger rev1 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001e); 41452593Sroger rev2 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001f); 41551694Sroger 41651694Sroger sprintf(bktr->msp_version_string, "34%02d%c-%c%d", 41751694Sroger (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 41851694Sroger 41951694Sroger} 42051694Sroger 42151694Sroger 42259014Sroger/* Configure the MSP chip to Auto-detect the audio format. 42359014Sroger * For the MSP3430G, we use fast autodetect mode 42459014Sroger * For the MSP3410/3415 there are two schemes for this 42559014Sroger * a) Fast autodetection - the chip is put into autodetect mode, and the function 42659014Sroger * returns immediatly. This works in most cases and is the Default Mode. 42759014Sroger * b) Slow mode. The function sets the MSP3410/3415 chip, then waits for feedback from 42859014Sroger * the chip and re-programs it if needed. 42959014Sroger */ 43051694Srogervoid msp_autodetect( bktr_ptr_t bktr ) { 43159014Sroger int auto_detect, loops; 43259014Sroger int stereo; 43359014Sroger printf("MSP autodetect\n"); 43451694Sroger 43559014Sroger /* MSP3430G - countries with mono and DBX stereo */ 43651694Sroger if (strncmp("3430G", bktr->msp_version_string, 5) == 0){ 43751694Sroger 43852593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0030,0x2003);/* Enable Auto format detection */ 43952593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0020);/* Standard Select Reg. = BTSC-Stereo*/ 44052593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000E,0x2403);/* darned if I know */ 44152593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0320);/* Source select = (St or A) */ 44259014Sroger /* & Ch. Matrix = St */ 44352593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 44459014Sroger } 44551694Sroger 44651694Sroger 44759014Sroger /* MSP3410/MSP3415 - countries with mono, stereo using 2 FM channels and NICAM */ 44859014Sroger /* FAST sound scheme */ 44959014Sroger if ( (strncmp("3430G", bktr->msp_version_string, 5) != 0) 45059014Sroger && (bktr->slow_msp_audio == 0) ){ 45159014Sroger if(bootverbose)printf("inside fast MSP autodetect code\n"); 45252593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 45352593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ 45452593Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ 45551694Sroger } 45651694Sroger 45759014Sroger 45859014Sroger /* MSP3410/MSP3415 - European Countries where the fast MSP3410/3415 programming fails */ 45959014Sroger /* SLOW sound scheme */ 46059014Sroger if ( (strncmp("3430G", bktr->msp_version_string, 5) != 0) 46159014Sroger && (bktr->slow_msp_audio == 1) ){ 46259014Sroger if (bootverbose)printf("inside slow MSP autodetect code\n"); 46359014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 46459014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ 46559014Sroger 46659014Sroger /* wait for 0.5s max for terrestrial sound autodetection */ 46759014Sroger loops = 10; 46859014Sroger do { 46959014Sroger DELAY(100000); 47059014Sroger auto_detect = msp_dpl_read(bktr, bktr->msp_addr, 0x10, 0x007e); 47159014Sroger loops++; 47259014Sroger } while (auto_detect > 0xff && loops < 50); 47359014Sroger if (bootverbose)printf ("Result of autodetect after %dms: %d\n", loops*10, auto_detect); 47459014Sroger 47559014Sroger /* Now set the audio baseband processing */ 47659014Sroger switch (auto_detect) { 47759014Sroger case 0: /* no TV sound standard detected */ 47859014Sroger break; 47959014Sroger case 2: /* M Dual FM */ 48059014Sroger break; 48159014Sroger case 3: /* B/G Dual FM; German stereo */ 48259014Sroger /* Read the stereo detection value from DSP reg 0x0018 */ 48359014Sroger DELAY(20000); 48459014Sroger stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 48559014Sroger if (bootverbose)printf ("Stereo reg 0x18 a: %d\n", stereo); 48659014Sroger DELAY(20000); 48759014Sroger stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 48859014Sroger if (bootverbose)printf ("Stereo reg 0x18 b: %d\n", stereo); 48959014Sroger DELAY(20000); 49059014Sroger stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 49159014Sroger if (bootverbose)printf ("Stereo reg 0x18 c: %d\n", stereo); 49259014Sroger if (stereo > 0x0100 && stereo < 0x8000) { /* Seems to be stereo */ 49359014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker set stereo*/ 49459014Sroger /* 49559014Sroger set spatial effect strength to 50% enlargement 49659014Sroger set spatial effect mode b, stereo basewidth enlargment only 49759014Sroger */ 49859014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f28); 49959014Sroger } else if (stereo > 0x8000) { /* bilingual mode */ 50059014Sroger if (bootverbose) printf ("Bilingual mode detected\n"); 50159014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Loudspeaker */ 50259014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x0000);/* all spatial effects off */ 50359014Sroger } else { /* must be mono */ 50459014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0030);/* Loudspeaker */ 50559014Sroger /* 50659014Sroger set spatial effect strength to 50% enlargement 50759014Sroger set spatial effect mode a, stereo basewidth enlargment 50859014Sroger and pseudo stereo effect with automatic high-pass filter 50959014Sroger */ 51059014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f08); 51159014Sroger } 51259014Sroger#if 0 51359014Sroger /* The reset value for Channel matrix mode is FM/AM and SOUNDA/LEFT */ 51459014Sroger /* We would like STEREO instead val: 0x0020 */ 51559014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker */ 51659014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0009,0x0020);/* Headphone */ 51759014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000a,0x0020);/* SCART1 */ 51859014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0041,0x0020);/* SCART2 */ 51959014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000b,0x0020);/* I2S */ 52059014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000c,0x0020);/* Quasi-Peak Detector Source */ 52159014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000e,0x0001); 52259014Sroger#endif 52359014Sroger break; 52459014Sroger case 8: /* B/G FM NICAM */ 52559014Sroger msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ 52659014Sroger break; 52759014Sroger case 9: /* L_AM NICAM or D/K*/ 52859014Sroger case 10: /* i-FM NICAM */ 52959014Sroger break; 53059014Sroger default: 53159014Sroger if (bootverbose) printf ("Unkown autodetection result value: %d\n", auto_detect); 53259014Sroger } 53359014Sroger 53459014Sroger } 53559014Sroger 53659014Sroger 53751694Sroger /* uncomment the following line to enable the MSP34xx 1Khz Tone Generator */ 53851694Sroger /* turn your speaker volume down low before trying this */ 53952593Sroger /* msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0014, 0x7f40); */ 54051694Sroger} 54152593Sroger 54252593Sroger/* Read the DPL version string */ 54352593Srogervoid dpl_read_id( bktr_ptr_t bktr ){ 54452593Sroger int rev1=0, rev2=0; 54552593Sroger rev1 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001e); 54652593Sroger rev2 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001f); 54752593Sroger 54852593Sroger sprintf(bktr->dpl_version_string, "34%02d%c-%c%d", 54952593Sroger ((rev2>>8)&0xff)-1, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 55052593Sroger} 55152593Sroger 55252593Sroger/* Configure the DPL chip to Auto-detect the audio format */ 55352593Srogervoid dpl_autodetect( bktr_ptr_t bktr ) { 55452593Sroger 55552593Sroger /* The following are empiric values tried from the DPL35xx data sheet */ 55652593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x000c,0x0320); /* quasi peak detector source dolby 55752593Sroger lr 0x03xx; quasi peak detector matrix 55852593Sroger stereo 0xXX20 */ 55952593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0040,0x0060); /* Surround decoder mode; 56052593Sroger ADAPTIVE/3D-PANORAMA, that means two 56152593Sroger speakers and no center speaker, all 56252593Sroger channels L/R/C/S mixed to L and R */ 56352593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0041,0x0620); /* surround source matrix;I2S2/STEREO*/ 56452593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0042,0x1F00); /* surround delay 31ms max */ 56552593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0043,0x0000); /* automatic surround input balance */ 56652593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0044,0x4000); /* surround spatial effect 50% 56752593Sroger recommended*/ 56852593Sroger msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0045,0x5400); /* surround panorama effect 66% 56952593Sroger recommended with PANORAMA mode 57052593Sroger in 0x0040 set to panorama */ 57152593Sroger} 57252593Sroger 573