719 lines
20 KiB
C
719 lines
20 KiB
C
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#include "xf86.h"
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#include "xf86i2c.h"
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#include "msp3430.h"
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#include "i2c_def.h"
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#define CONTROL 0x00
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#define WR_DEM 0x10
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#define RD_DEM 0x11
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#define WR_DSP 0x12
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#define RD_DSP 0x13
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void InitMSP34xxG(MSP3430Ptr m);
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void InitMSP34x5D(MSP3430Ptr m);
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void CheckModeMSP34x5D(MSP3430Ptr m);
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char *MSP_getProductName (CARD16 product_id);
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void mpause(int milliseconds);
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#define __MSPDEBUG__ 0
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#if __MSPDEBUG__ > 3
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void MSPBeep(MSP3430Ptr m, CARD8 freq);
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#define __MSPBEEP MSPBeep(m,0x14);
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#else
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#define __MSPBEEP
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#endif
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static void SetMSP3430Control(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegValueHigh, CARD8 RegValueLow)
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{
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I2CByte data[3];
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data[0]=RegAddress;
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data[1]=RegValueHigh;
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data[2]=RegValueLow;
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I2C_WriteRead(&(m->d),data,3,NULL,0);
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}
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static void SetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow,
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CARD8 RegValueHigh, CARD8 RegValueLow)
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{
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I2CByte data[5];
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#ifdef MSP_DEBUG
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if(!m->registers_present[RegSubAddressLow]){
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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",
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RegAddress, RegSubAddressHigh, RegSubAddressLow, RegValueHigh, RegValueLow);
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}
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#endif
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data[0] = RegAddress;
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data[1] = RegSubAddressHigh;
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data[2] = RegSubAddressLow;
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data[3] = RegValueHigh;
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data[4] = RegValueLow;
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I2C_WriteRead(&(m->d),data,5,NULL,0);
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}
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static void GetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow,
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CARD8 *RegValueHigh, CARD8 *RegValueLow)
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{
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I2CByte send[3];
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I2CByte receive[2];
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send[0] = RegAddress;
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send[1] = RegSubAddressHigh;
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send[2] = RegSubAddressLow;
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I2C_WriteRead(&(m->d), send, 3, receive, 2);
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*RegValueHigh = receive[0];
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*RegValueLow = receive[1];
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}
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static void MSP3430DumpStatus(MSP3430Ptr m)
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{
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CARD8 status_hi, status_lo;
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CARD8 subaddr, data[2];
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GetMSP3430Data(m, RD_DEM, 0x02, 0x00, &status_hi, &status_lo);
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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",
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status_hi & 1, (status_lo>>7) & 1, (status_lo>>6)&1,
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(status_lo>>5)? ( (status_hi>>1)&1? "bad NICAM reception" : "NICAM" ) :
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((status_hi>>1)&1 ? "bogus" : "ANALOG FM/AM") ,
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(status_lo>>4)&1, (status_lo>>3)&1,!( (status_lo>>2)&1), !((status_lo>>1)&1));
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GetMSP3430Data(m, RD_DEM, 0x00, 0x7E, &status_hi, &status_lo);
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: standard result=0x%02x%02x\n",
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status_hi, status_lo);
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subaddr=0x0;
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I2C_WriteRead(&(m->d), &subaddr, 1, data, 2);
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: control=0x%02x%02x\n",
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data[1], data[0]);
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}
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/* wrapper */
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void InitMSP3430(MSP3430Ptr m)
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{
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#if __MSPDEBUG__ > 1
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xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP3430(m->connector=%d, m->standard=%d, m->chip_family=%d)\n",
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m->connector, m->standard, m->chip_family);
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#endif
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switch (m->chip_family) {
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case MSPFAMILY_34x0G:
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InitMSP34xxG(m);
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break;
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case MSPFAMILY_34x5G:
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InitMSP34xxG(m);
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break;
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case MSPFAMILY_34x5D:
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InitMSP34x5D(m);
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break;
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}
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}
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/*-----------------------------------------------------------------
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| common functions for all MSP34xx chips
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|----------------------------------------------------------------*/
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MSP3430Ptr DetectMSP3430(I2CBusPtr b, I2CSlaveAddr addr)
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{
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MSP3430Ptr m;
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I2CByte a;
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CARD8 hardware_version, major_revision, product_code, rom_version;
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Bool supported;
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m = xcalloc(1,sizeof(MSP3430Rec));
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if(m == NULL)return NULL;
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m->d.DevName = strdup("MSP34xx");
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m->d.SlaveAddr = addr;
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m->d.pI2CBus = b;
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m->d.NextDev = NULL;
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m->d.StartTimeout = b->StartTimeout;
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m->d.BitTimeout = b->BitTimeout;
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m->d.AcknTimeout = b->AcknTimeout;
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m->d.ByteTimeout = b->ByteTimeout;
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if(!I2C_WriteRead(&(m->d), NULL, 0, &a, 1))
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{
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xfree(m->d.DevName);
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xfree(m);
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return NULL;
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}
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m->standard=MSP3430_NTSC;
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m->connector=MSP3430_CONNECTOR_1;
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m->mode=MSPMODE_STEREO_A; /*stereo or chanel A if avail. */
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m->c_format=MSPFORMAT_UNKNOWN;
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m->c_standard=MSPSTANDARD_UNKNOWN;
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m->c_matrix=m->c_fmmatrix=m->c_source=0;
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m->volume=0;
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m->recheck=FALSE;
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GetMSP3430Data(m, RD_DSP, 0x00, 0x1E, &hardware_version, &major_revision);
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GetMSP3430Data(m, RD_DSP, 0x00, 0x1F, &product_code, &rom_version);
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m->hardware_version=hardware_version;
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m->major_revision=major_revision;
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m->product_code=product_code;
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m->rom_version=rom_version;
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m->chip_id=((major_revision << 8) | product_code);
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supported=FALSE;
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switch (major_revision) {
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case 4: /* 34xxD */
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switch (product_code) {
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case 0x05: /* 3405D */
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case 0x0A: /* 3410D */
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case 0x0F: /* 3415D */
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m->chip_family=MSPFAMILY_34x5D;
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m->recheck=TRUE;
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supported=TRUE;
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break;
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default:
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m->chip_family=MSPFAMILY_34x0D;
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}
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break;
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case 7: /* 34xxG */
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switch(product_code){
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case 0x00:
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case 0x0A:
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case 0x1E:
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case 0x28:
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case 0x32:
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m->chip_family=MSPFAMILY_34x0G;
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supported=TRUE;
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break;
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case 0x0f:
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case 0x19:
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case 0x2d:
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case 0x37:
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case 0x41:
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m->chip_family=MSPFAMILY_34x5G;
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supported=TRUE;
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#ifdef MSP_DEBUG
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memset(m->registers_present, 0, 256);
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#define A(num) m->registers_present[(num)]=1;
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#define B(num1, num2) memset(&(m->registers_present[num1]), 1, num2-num1);
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A(0x20)
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A(0x30)
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A(0x40)
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A(0x00)
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B(0x01, 0x08)
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B(0x0B, 0x0E)
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A(0x10)
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B(0x12,0x14)
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A(0x16)
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A(0x29)
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#undef B
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#undef A
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#endif
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break;
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default:
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m->chip_family=MSPFAMILY_UNKNOWN;
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}
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break;
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default:
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m->chip_family=MSPFAMILY_UNKNOWN;
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}
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Found %s%s, rom version 0x%02x, chip_id=0x%04x\n",
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MSP_getProductName(m->chip_id), supported?"":" (unsupported)", rom_version, m->chip_id);
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if (!supported) {
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xfree(m->d.DevName);
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xfree(m);
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return NULL;
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}
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if(!I2CDevInit(&(m->d)))
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{
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xfree(m->d.DevName);
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xfree(m);
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return NULL;
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}
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return m;
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}
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void ResetMSP3430(MSP3430Ptr m)
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{
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/* Reset the MSP3430 */
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SetMSP3430Control(m, 0x00, 0x80, 0x00);
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/* Set it back to normal operation */
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SetMSP3430Control(m, 0x00, 0x00, 0x00);
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m->c_format=MSPFORMAT_UNKNOWN;
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m->c_standard=MSPSTANDARD_UNKNOWN;
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m->c_matrix=m->c_fmmatrix=m->c_source=0;
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m->volume=0;
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}
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void MSP3430SetVolume (MSP3430Ptr m, CARD8 value)
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{
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CARD8 result;
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CARD8 old_volume;
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#if 0
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GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result);
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 result 0x%02x\n", result);
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#endif
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/* save an extra Get call */
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result=0;
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SetMSP3430Data(m, WR_DSP, 0x00, 0x00, value, result);
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SetMSP3430Data(m, WR_DSP, 0x00, 0x07, value, 0);
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m->volume=value;
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#if __MSPDEBUG__ > 2
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MSP3430DumpStatus(m);
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__MSPBEEP
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GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result);
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 volume 0x%02x\n",value);
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#endif
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}
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void MSP3430SetSAP (MSP3430Ptr m, int mode)
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{
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xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Put actual code to change SAP here\n");
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SetMSP3430Data(m, WR_DSP, 0x00, 0x08, mode & 0xff, 0x20);
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}
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#if 0
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void MSP3430SetSource(MSP3430Ptr m, CARD8 value)
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{
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/* Write to DSP, register 0x0008, (loudspeaker channel source/matrix) */
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/* This sets the source to the TV tuner, for stereo operation */
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SetMSP3430Data(m, WR_DSP, 0x00, 0x08, value, 0x20);
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}
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#endif
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char *MSP_getProductName (CARD16 product_id)
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{
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switch (product_id) {
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case 0x0400: return "MSP3400D";
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case 0x040a: return "MSP3410D";
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case 0x0405: return "MSP3405D";
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case 0x040f: return "MSP3415D";
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case 0x0700: return "MSP3400G";
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case 0x070a: return "MSP3410G";
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case 0x071e: return "MSP3430G";
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case 0x0728: return "MSP3440G";
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case 0x0732: return "MSP3450G";
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case 0x070f: return "MSP3415G";
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case 0x0719: return "MSP3425G";
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case 0x072d: return "MSP3445G";
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case 0x0737: return "MSP3455G";
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case 0x0741: return "MSP3465G";
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}
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return "MSP - unknown type";
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}
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#if __MSPDEBUG__ > 2
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/*puts beep in MSP output
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freq = 0x01 - 16Hz ... 0x40 - 1kHz ... 0xff - 4kHz
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*/
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void MSPBeep(MSP3430Ptr m, CARD8 freq) {
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SetMSP3430Data (m, WR_DSP, 0x00, freq, 0x7f, 0x40);
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mpause(100);
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SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x00);
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}
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#endif
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void mpause(int milliseconds) {
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int i,m;
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m=milliseconds/20;
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for (i=0;i<m;i++) usleep(20000);
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}
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/*-----------------------------------------------------------------
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| specific functions for all MSP34xxG chips
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|----------------------------------------------------------------*/
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void InitMSP34xxG(MSP3430Ptr m)
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{
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#if __MSPDEBUG__ > 1
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xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP34xxG(m->connector=%d, m->standard=%d, m->chip_family=%d)\n",
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m->connector, m->standard, m->chip_family);
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#endif
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/* Reset MSP3430 */
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SetMSP3430Control(m, 0x00, 0x80, 0x00);
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/* Set it back to normal operation */
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SetMSP3430Control(m, 0x00, 0x00, 0x00);
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/*set MODUS register */
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/* bits: 0 - automatic sound detection */
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/* 1 - enable STATUS change */
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/* 12 - detect 6.5 Mhz carrier as D/K1, D/K2 or D/K NICAM (does not seem to work ) */
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/* 13 - detect 4.5 Mhz carrier as BTSC */
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if ( (m->standard & 0xff) == MSP3430_PAL )
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{
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SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x30, 0x03|0x08); /* make O_ pins tristate */
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/* PAL standard */
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SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x01); /* possibly wrong */
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} else {
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SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x20, 0x03|0x08);
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/* standard selection is M-BTSC-Stereo */
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SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x20);
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}
|
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switch(m->connector){
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case MSP3430_CONNECTOR_1:
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SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x03, 0x20);
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break;
|
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case MSP3430_CONNECTOR_2:
|
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/* this has not been checked yet.. could be bogus */
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/* SCART Input Prescale: 0 dB gain */
|
||
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SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00);
|
||
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SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20);
|
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break;
|
||
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case MSP3430_CONNECTOR_3:
|
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default:
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||
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/* SCART Input Prescale: 0 dB gain */
|
||
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SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00);
|
||
|
|
||
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SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20);
|
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break;
|
||
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}
|
||
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|
||
|
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;
|
||
|
char *msg;
|
||
|
|
||
|
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
|
||
|
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
|
||
|
}
|
||
|
|