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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/i2c/msp3430.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/i2c/msp3430.c')
-rw-r--r-- | xorg-server/hw/xfree86/i2c/msp3430.c | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/i2c/msp3430.c b/xorg-server/hw/xfree86/i2c/msp3430.c new file mode 100644 index 000000000..4bd3a7187 --- /dev/null +++ b/xorg-server/hw/xfree86/i2c/msp3430.c @@ -0,0 +1,726 @@ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <string.h> +#include <unistd.h> + +#include "xf86.h" +#include "xf86i2c.h" +#include "msp3430.h" +#include "i2c_def.h" + +#define CONTROL 0x00 +#define WR_DEM 0x10 +#define RD_DEM 0x11 +#define WR_DSP 0x12 +#define RD_DSP 0x13 + + +void InitMSP34xxG(MSP3430Ptr m); +void InitMSP34x5D(MSP3430Ptr m); +void CheckModeMSP34x5D(MSP3430Ptr m); +char *MSP_getProductName (CARD16 product_id); +void mpause(int milliseconds); + +#define __MSPDEBUG__ 0 + +#if __MSPDEBUG__ > 3 + +void MSPBeep(MSP3430Ptr m, CARD8 freq); +#define __MSPBEEP MSPBeep(m,0x14); + +#else + +#define __MSPBEEP +#endif + +static void SetMSP3430Control(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegValueHigh, CARD8 RegValueLow) +{ + I2CByte data[3]; + + data[0]=RegAddress; + data[1]=RegValueHigh; + data[2]=RegValueLow; + + I2C_WriteRead(&(m->d),data,3,NULL,0); +} + +static void SetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow, + CARD8 RegValueHigh, CARD8 RegValueLow) +{ + I2CByte data[5]; +#ifdef MSP_DEBUG + if(!m->registers_present[RegSubAddressLow]){ + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_ERROR, "Attempt to access non-existent register in MSP34xxX: 0x%02x 0x%02x 0x%02x <- 0x%02x 0x%02x\n", + RegAddress, RegSubAddressHigh, RegSubAddressLow, RegValueHigh, RegValueLow); + } +#endif + + data[0] = RegAddress; + data[1] = RegSubAddressHigh; + data[2] = RegSubAddressLow; + data[3] = RegValueHigh; + data[4] = RegValueLow; + + I2C_WriteRead(&(m->d),data,5,NULL,0); +} + +static void GetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow, + CARD8 *RegValueHigh, CARD8 *RegValueLow) +{ + I2CByte send[3]; + I2CByte receive[2]; + + send[0] = RegAddress; + send[1] = RegSubAddressHigh; + send[2] = RegSubAddressLow; + + I2C_WriteRead(&(m->d), send, 3, receive, 2); + + *RegValueHigh = receive[0]; + *RegValueLow = receive[1]; +} + +#if __MSPDEBUG__ > 2 +static void MSP3430DumpStatus(MSP3430Ptr m) +{ +CARD8 status_hi, status_lo; +CARD8 subaddr, data[2]; + +GetMSP3430Data(m, RD_DEM, 0x02, 0x00, &status_hi, &status_lo); +xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: SAP(8)=%d mono/NICAM(7)=%d stereo=%d %s O_1=%d O_0=%d 2nd car=%d 1st car=%d\n", + status_hi & 1, (status_lo>>7) & 1, (status_lo>>6)&1, + (status_lo>>5)? ( (status_hi>>1)&1? "bad NICAM reception" : "NICAM" ) : + ((status_hi>>1)&1 ? "bogus" : "ANALOG FM/AM") , + (status_lo>>4)&1, (status_lo>>3)&1,!( (status_lo>>2)&1), !((status_lo>>1)&1)); + +GetMSP3430Data(m, RD_DEM, 0x00, 0x7E, &status_hi, &status_lo); +xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: standard result=0x%02x%02x\n", + status_hi, status_lo); +subaddr=0x0; +I2C_WriteRead(&(m->d), &subaddr, 1, data, 2); +xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: control=0x%02x%02x\n", + data[1], data[0]); +} +#endif + +/* wrapper */ +void InitMSP3430(MSP3430Ptr m) +{ + #if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP3430(m->connector=%d, m->standard=%d, m->chip_family=%d)\n", + m->connector, m->standard, m->chip_family); + #endif + switch (m->chip_family) { + case MSPFAMILY_34x0G: + InitMSP34xxG(m); + break; + case MSPFAMILY_34x5G: + InitMSP34xxG(m); + break; + case MSPFAMILY_34x5D: + InitMSP34x5D(m); + break; + } +} + +/*----------------------------------------------------------------- +| common functions for all MSP34xx chips +|----------------------------------------------------------------*/ + +MSP3430Ptr DetectMSP3430(I2CBusPtr b, I2CSlaveAddr addr) +{ + MSP3430Ptr m; + I2CByte a; + CARD8 hardware_version, major_revision, product_code, rom_version; + Bool supported; + + m = xcalloc(1,sizeof(MSP3430Rec)); + if(m == NULL)return NULL; + m->d.DevName = strdup("MSP34xx"); + m->d.SlaveAddr = addr; + m->d.pI2CBus = b; + m->d.NextDev = NULL; + m->d.StartTimeout = b->StartTimeout; + m->d.BitTimeout = b->BitTimeout; + m->d.AcknTimeout = b->AcknTimeout; + m->d.ByteTimeout = b->ByteTimeout; + + if(!I2C_WriteRead(&(m->d), NULL, 0, &a, 1)) + { + xfree(m->d.DevName); + xfree(m); + return NULL; + } + + + m->standard=MSP3430_NTSC; + m->connector=MSP3430_CONNECTOR_1; + m->mode=MSPMODE_STEREO_A; /*stereo or chanel A if avail. */ + m->c_format=MSPFORMAT_UNKNOWN; + m->c_standard=MSPSTANDARD_UNKNOWN; + m->c_matrix=m->c_fmmatrix=m->c_source=0; + m->volume=0; + m->recheck=FALSE; + + GetMSP3430Data(m, RD_DSP, 0x00, 0x1E, &hardware_version, &major_revision); + GetMSP3430Data(m, RD_DSP, 0x00, 0x1F, &product_code, &rom_version); + m->hardware_version=hardware_version; + m->major_revision=major_revision; + m->product_code=product_code; + m->rom_version=rom_version; + + m->chip_id=((major_revision << 8) | product_code); + + supported=FALSE; + switch (major_revision) { + case 4: /* 34xxD */ + switch (product_code) { + case 0x05: /* 3405D */ + case 0x0A: /* 3410D */ + case 0x0F: /* 3415D */ + m->chip_family=MSPFAMILY_34x5D; + m->recheck=TRUE; + supported=TRUE; + break; + default: + m->chip_family=MSPFAMILY_34x0D; + } + break; + case 7: /* 34xxG */ + switch(product_code){ + case 0x00: + case 0x0A: + case 0x1E: + case 0x28: + case 0x32: + m->chip_family=MSPFAMILY_34x0G; + supported=TRUE; + break; + case 0x0f: + case 0x19: + case 0x2d: + case 0x37: + case 0x41: + m->chip_family=MSPFAMILY_34x5G; + supported=TRUE; + #ifdef MSP_DEBUG + memset(m->registers_present, 0, 256); + #define A(num) m->registers_present[(num)]=1; + #define B(num1, num2) memset(&(m->registers_present[num1]), 1, num2-num1); + A(0x20) + A(0x30) + A(0x40) + A(0x00) + B(0x01, 0x08) + B(0x0B, 0x0E) + A(0x10) + B(0x12,0x14) + A(0x16) + A(0x29) + #undef B + #undef A + #endif + break; + default: + m->chip_family=MSPFAMILY_UNKNOWN; + } + break; + default: + m->chip_family=MSPFAMILY_UNKNOWN; + } + + xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Found %s%s, rom version 0x%02x, chip_id=0x%04x\n", + MSP_getProductName(m->chip_id), supported?"":" (unsupported)", rom_version, m->chip_id); + + if (!supported) { + xfree(m->d.DevName); + xfree(m); + return NULL; + } + if(!I2CDevInit(&(m->d))) + { + xfree(m->d.DevName); + xfree(m); + return NULL; + } + + return m; +} + +void ResetMSP3430(MSP3430Ptr m) +{ + /* Reset the MSP3430 */ + SetMSP3430Control(m, 0x00, 0x80, 0x00); + /* Set it back to normal operation */ + SetMSP3430Control(m, 0x00, 0x00, 0x00); + + m->c_format=MSPFORMAT_UNKNOWN; + m->c_standard=MSPSTANDARD_UNKNOWN; + m->c_matrix=m->c_fmmatrix=m->c_source=0; + m->volume=0; +} + +void MSP3430SetVolume (MSP3430Ptr m, CARD8 value) +{ + CARD8 result; +#if 0 + CARD8 old_volume; + GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result); + xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 result 0x%02x\n", result); +#endif + /* save an extra Get call */ + result=0; + + SetMSP3430Data(m, WR_DSP, 0x00, 0x00, value, result); + + SetMSP3430Data(m, WR_DSP, 0x00, 0x07, value, 0); + m->volume=value; + +#if __MSPDEBUG__ > 2 + MSP3430DumpStatus(m); + __MSPBEEP + GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result); + xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 volume 0x%02x\n",value); +#endif +} + + +void MSP3430SetSAP (MSP3430Ptr m, int mode) +{ + xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Put actual code to change SAP here\n"); + + SetMSP3430Data(m, WR_DSP, 0x00, 0x08, mode & 0xff, 0x20); +} + + +#if 0 +void MSP3430SetSource(MSP3430Ptr m, CARD8 value) +{ + /* Write to DSP, register 0x0008, (loudspeaker channel source/matrix) */ + /* This sets the source to the TV tuner, for stereo operation */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x08, value, 0x20); +} +#endif + + +char *MSP_getProductName (CARD16 product_id) +{ + switch (product_id) { + case 0x0400: return "MSP3400D"; + case 0x040a: return "MSP3410D"; + case 0x0405: return "MSP3405D"; + case 0x040f: return "MSP3415D"; + case 0x0700: return "MSP3400G"; + case 0x070a: return "MSP3410G"; + case 0x071e: return "MSP3430G"; + case 0x0728: return "MSP3440G"; + case 0x0732: return "MSP3450G"; + case 0x070f: return "MSP3415G"; + case 0x0719: return "MSP3425G"; + case 0x072d: return "MSP3445G"; + case 0x0737: return "MSP3455G"; + case 0x0741: return "MSP3465G"; + } + return "MSP - unknown type"; +} + +#if __MSPDEBUG__ > 2 +/*puts beep in MSP output + freq = 0x01 - 16Hz ... 0x40 - 1kHz ... 0xff - 4kHz +*/ +void MSPBeep(MSP3430Ptr m, CARD8 freq) { + SetMSP3430Data (m, WR_DSP, 0x00, freq, 0x7f, 0x40); + mpause(100); + SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x00); +} +#endif + +void mpause(int milliseconds) { + int i,m; + m=milliseconds/20; + for (i=0;i<m;i++) usleep(20000); +} + +/*----------------------------------------------------------------- +| specific functions for all MSP34xxG chips +|----------------------------------------------------------------*/ + +void InitMSP34xxG(MSP3430Ptr m) +{ + + #if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP34xxG(m->connector=%d, m->standard=%d, m->chip_family=%d)\n", + m->connector, m->standard, m->chip_family); + #endif + /* Reset MSP3430 */ + SetMSP3430Control(m, 0x00, 0x80, 0x00); + /* Set it back to normal operation */ + SetMSP3430Control(m, 0x00, 0x00, 0x00); + + /*set MODUS register */ + /* bits: 0 - automatic sound detection */ + /* 1 - enable STATUS change */ + /* 12 - detect 6.5 Mhz carrier as D/K1, D/K2 or D/K NICAM (does not seem to work ) */ + /* 13 - detect 4.5 Mhz carrier as BTSC */ + if ( (m->standard & 0xff) == MSP3430_PAL ) + { + SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x30, 0x03|0x08); /* make O_ pins tristate */ + /* PAL standard */ + SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x01); /* possibly wrong */ + } else { + SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x20, 0x03|0x08); + /* standard selection is M-BTSC-Stereo */ + SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x20); + } + + switch(m->connector){ + case MSP3430_CONNECTOR_1: + SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x03, 0x20); + break; + case MSP3430_CONNECTOR_2: + /* this has not been checked yet.. could be bogus */ + /* SCART Input Prescale: 0 dB gain */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); + SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20); + break; + case MSP3430_CONNECTOR_3: + default: + /* SCART Input Prescale: 0 dB gain */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); + + SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20); + break; + } + + switch(m->standard){ + case MSP3430_PAL: + SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); + SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a); + SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x03); + /* Set volume to FAST_MUTE. */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); + break; + case MSP3430_PAL_DK1: + SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); + SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a); + SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x04); + /* Set volume to FAST_MUTE. */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); + break; + case MSP3430_SECAM: /* is this right ? */ + case MSP3430_NTSC: + /* Write to DSP, register 0x000E, (prescale FM/FM matrix) */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); + + /* Set volume to FAST_MUTE. */ + SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); + break; + } + +} + +/*----------------------------------------------------------------- +| specific functions for all MSP34x5D chips +|----------------------------------------------------------------*/ + +void InitMSP34x5D(MSP3430Ptr m) +{ +int count; +CARD8 high,low; +CARD16 result,standard; +CARD16 peak; + + +if (m->c_format==MSPFORMAT_UNKNOWN) ResetMSP3430(m); +else { + /*mute volume*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x00, 0x00, 0x00); +} + + + + switch(m->connector){ + case MSP3430_CONNECTOR_2: + case MSP3430_CONNECTOR_3: + if (m->c_format!=MSPFORMAT_SCART) { + /* SCART Input Prescale: 0 dB gain */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); + /* this has not been checked yet.. could be bogus */ + m->c_format=MSPFORMAT_SCART; /*stereo*/ + } + break; + case MSP3430_CONNECTOR_1: + default: + + switch ( m->standard & 0x00ff ) { + case MSP3430_PAL: + switch( m->standard ) { + case MSP3430_PAL_DK1: + standard=MSPSTANDARD_FM_DK1; + break; +/* case MSP3430_PAL_DK2: + standard=MSPSTANDARD_FM_DK2; + break; + case MSP3430_PAL_BG: + may be FM stereo (Germany) or FM NICAM (Scandinavia,spain) + standard=MSPSTANDARD_AUTO; + break; +*/ + default: + standard=MSPSTANDARD_AUTO; + } + break; + case MSP3430_SECAM: + standard=MSPSTANDARD_AUTO; + case MSP3430_NTSC: + /* Only MSP34x5 supported format - Korean NTSC-M*/ + standard=MSPSTANDARD_FM_M; + default: + standard=MSPSTANDARD_AUTO; + } + + /*no NICAM support in MSP3410D - force to autodetect*/ + if ((m->chip_id==0x405) && (standard>=MSPSTANDARD_NICAM_BG)) + standard=MSPSTANDARD_AUTO; + + if (m->c_standard != standard) { + + SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF); + if (standard==MSPSTANDARD_AUTO) { + count = 50; /* time shouldn't exceed 1s, just in case */ + do { + usleep(20000); + GetMSP3430Data (m, RD_DEM, 0x00, 0x7e, &high, &low); + result = ( high << 8 ) | low; + --count; + } while( result > 0x07ff && count > 0 ); + + if ((result > MSPSTANDARD_AUTO)) + standard=result; + else standard=MSPSTANDARD_UNKNOWN; +#if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Detected audio standard: %d\n",result); +#endif + /* result = MSPSTANDARD_NICAM_L can be one of: + SECAM_L - MSPSTANDARD_NICAM_L + D/K1 - MSPSTANDARD_FM_DK1 + D/K2 - MSPSTANDARD_FM_DK2 + D/K-NICAM - MSPSTANDARD_NICAM_DK*/ + if( standard == MSPSTANDARD_NICAM_L ) { + if ((m->standard & 0x00ff)==MSP3430_PAL) { + /* force PAL D/K */ + standard=MSPSTANDARD_FM_DK1; + SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF); +#if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO, "Detected 6.5MHz carrier - forced to D/K1 !!!\n" ); +#endif + } + } + } + m->c_standard=standard; + } /*end - standard changed*/ + else { + if (standard<MSPSTANDARD_NICAM_BG) { + /* get old value of ident. mode register*/ + GetMSP3430Data (m, RD_DSP, 0x00, 0x15, &high, &low); + /* reset Ident-Filter */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x3F); + /* put back old value to ident. mode register*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, low); + } + } + + if (standard<=MSPSTANDARD_AUTO) { + m->c_format=MSPFORMAT_1xFM; + } + else if (standard<MSPSTANDARD_NICAM_BG) { + /* set FM prescale */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0); + /* set FM deemphasis*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, ((standard==MSPSTANDARD_FM_M)?0:1), 0); + + /* check if FM2 carrier is present */ + /*turn off FM DC Notch*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x3f); + /*matrix source for Quasi-Peak Detector - stereo: ch2->L ch1->R*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0c, 0x00, 0x20); + + mpause(250); + GetMSP3430Data (m, RD_DSP, 0x00, 0x1A, &high, &low); + peak = (high << 8) | low; +#if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Second carrier Quasi-Peak detection: %d\n",peak); +#endif + /*turn on FM DC Notch*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x00); + + if (peak<5) { + /* if second carrier not detected - only mono from first carrier*/ + m->c_format=MSPFORMAT_1xFM; + } + else { + m->c_format=MSPFORMAT_2xFM; + /*start of FM identification process - FM_WAIT + wait at least 0.5s - used 1s - gives beter resolution*/ + mpause(1000); + } + } + else { + if (standard==MSPSTANDARD_NICAM_L) { + m->c_format=MSPFORMAT_NICAM_AM; + /* set AM prescale */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x7C, 0); + } + else { + m->c_format=MSPFORMAT_NICAM_FM; + /* set FM prescale */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0); + } + /* set FM deemphasis*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, 0x00, 0); + /* set NICAM prescale to 0dB */ + SetMSP3430Data (m, WR_DSP, 0x00, 0x10, 0x20, 0); + } + + break; + } /*end - case conector*/ + + CheckModeMSP34x5D(m); + + /* Set volume to FAST_MUTE. */ + /*SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);*/ + /*set volume*/ + MSP3430SetVolume(m,m->volume); + + __MSPBEEP + + +} /* EnableMSP34x5D ()... */ + + + + +void CheckModeMSP34x5D(MSP3430Ptr m) { + const char stereo_on=25; + const char stereo_off=20; + const char dual_on=-stereo_on; + const char dual_off=-stereo_off; + char detect; + CARD8 matrix, fmmatrix, source, high, low; + + fmmatrix=0; /*no matrix*/ + source=0; /*FM*/ + switch (m->c_format) { + case MSPFORMAT_NICAM_FM: + case MSPFORMAT_NICAM_AM: + case MSPFORMAT_SCART: + source=( (m->c_format == MSPFORMAT_SCART)?2:1 ); + switch (m->mode) { + case MSPMODE_MONO: + matrix=0x30; /*MONO*/ + break; + case MSPMODE_A: + matrix=0x00; /*A*/ + break; + case MSPMODE_B: + matrix=0x10; /*B*/ + break; + default: + matrix=0x20; /*STEREO*/ + break; + } + break; + default: + case MSPFORMAT_1xFM: + matrix=0x00; /*A*/ + break; + case MSPFORMAT_2xFM: + switch (m->mode) { + case MSPMODE_MONO: + matrix=0x30; /*MONO*/ + break; + case MSPMODE_STEREO: + matrix=0x20; /*STEREO*/ + fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1); + break; + case MSPMODE_AB: + matrix=0x20; /*STEREO*/ + break; + case MSPMODE_A: + matrix=0x00; /*A*/ + break; + case MSPMODE_B: + matrix=0x10; /*B*/ + break; + default: + /*FM_IDENT_CHECK*/ + GetMSP3430Data (m, RD_DSP, 0x00, 0x18, &high, &low); + detect=(char)high; +#if __MSPDEBUG__ > 1 + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Stereo Detection Register: %d\n",detect); +#endif + if (detect>=((m->c_mode==MSPMODE_STEREO)?stereo_off:stereo_on)) { + m->c_mode=MSPMODE_STEREO; + matrix=0x20; /*STEREO*/ + fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1); + } + else if (detect<=((m->c_mode==MSPMODE_AB)?dual_off:dual_on)) { + m->c_mode=MSPMODE_AB; + switch (m->mode) { + case MSPMODE_STEREO_AB: matrix=0x20; break; + case MSPMODE_STEREO_B: matrix=0x10; break; + default: + case MSPMODE_A: matrix=0x00; break; + } + } + else { + m->c_mode=MSPMODE_MONO; + matrix=0x30; /*MONO*/ + } + break; + } /* end - case mode*/ + break; + } + + if (m->c_fmmatrix != fmmatrix) { + GetMSP3430Data (m, RD_DSP, 0x00, 0x0e, &high, &low); + SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, high, fmmatrix); + m->c_fmmatrix = fmmatrix; + } + + if ((m->c_matrix != matrix) || (m->c_source != source)) { + /*set chanel source and matrix for loudspeaker*/ + SetMSP3430Data (m, WR_DSP, 0x00, 0x08, source, matrix); + + m->c_matrix = matrix; + m->c_source = source; + } + + if ( ((m->c_format) & 0xF0) == MSPFORMAT_NICAM) + SetMSP3430Data (m, WR_DEM, 0x00, 0x21, 0, 1); + +#if __MSPDEBUG__ > 0 + char *msg; + switch (matrix) { + case 0x30: /*MONO*/ + msg="MONO"; + break; + case 0x00: /*LEFT*/ + msg="MONO/CHANNEL_1"; + break; + case 0x10: /*RIGHT*/ + msg="MONO/CHANNEL_2"; + break; + case 0x20: /*LEFT*/ + msg="STEREO"; + break; + default: + msg="unknown"; + break; + } + xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Audio mode set to: %s\n",msg); +#endif +} + |