137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf86.h"
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#include "xf86i2c.h"
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#include "tda9850.h"
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#include "i2c_def.h"
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#define TDA9850(a,b) { \
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data[0]=a; \
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data[1]=b; \
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I2C_WriteRead(&(t->d), data, 2, NULL, 0); \
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}
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TDA9850Ptr
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Detect_tda9850(I2CBusPtr b, I2CSlaveAddr addr)
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{
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TDA9850Ptr t;
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I2CByte a;
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t = calloc(1, sizeof(TDA9850Rec));
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if (t == NULL)
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return NULL;
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switch (addr) {
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case TDA9850_ADDR_1:
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t->d.DevName = "TDA9850 BTSC Stereo+SAP Audio Processor";
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break;
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default:
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t->d.DevName = "Generic TDAxxxx";
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break;
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}
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t->d.SlaveAddr = addr;
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t->d.pI2CBus = b;
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t->d.NextDev = NULL;
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t->d.StartTimeout = b->StartTimeout;
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t->d.BitTimeout = b->BitTimeout;
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t->d.AcknTimeout = b->AcknTimeout;
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t->d.ByteTimeout = b->ByteTimeout;
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if (!I2C_WriteRead(&(t->d), NULL, 0, &a, 1)) {
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free(t);
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return NULL;
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}
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/* set default parameters */
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if (!I2CDevInit(&(t->d))) {
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free(t);
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return NULL;
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}
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return t;
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}
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Bool
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tda9850_init(TDA9850Ptr t)
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{
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t->stereo = 1;
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t->sap = 0;
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t->mute = TRUE;
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t->sap_mute = TRUE;
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tda9850_setaudio(t);
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return TRUE;
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}
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void
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tda9850_setaudio(TDA9850Ptr t)
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{
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CARD8 data[2];
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if (t->mux == 2) {
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TDA9850(0x04, 0x0F);
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TDA9850(0x05, 0x0F);
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TDA9850(0x06, 0x58);
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TDA9850(0x07, 0x07);
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TDA9850(0x08, 0x00);
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TDA9850(0x09, 0x00);
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TDA9850(0x0A, 0x03);
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}
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else {
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TDA9850(0x04, 0x07);
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TDA9850(0x05, 0x07);
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TDA9850(0x06, 0x58);
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TDA9850(0x07, 0x07);
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TDA9850(0x08, 0x10);
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TDA9850(0x09, 0x10);
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TDA9850(0x0A, 0x03);
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}
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TDA9850(0x06,
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(t->stereo << 6) | (t->sap << 7) | (t->mute ? 0x8 : 0) | (t->
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sap_mute ?
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0x10 :
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0x0));
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}
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void
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tda9850_mute(TDA9850Ptr t, Bool mute)
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{
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CARD8 data[2];
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xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_mute %s\n",
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mute ? "on" : "off");
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t->mute = mute;
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TDA9850(0x06,
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(t->stereo << 6) | (t->sap << 7) | (t->mute ? 0x8 : 0x0) | (t->
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sap_mute
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? 0x10 :
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0x0));
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}
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void
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tda9850_sap_mute(TDA9850Ptr t, Bool sap_mute)
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{
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CARD8 data[2];
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xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_sap_mute %s\n",
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sap_mute ? "on" : "off");
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t->sap_mute = sap_mute;
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TDA9850(0x06,
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(t->stereo << 6) | (t->sap << 7) | (t->mute ? 0x8 : 0x0) | (t->
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sap_mute
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? 0x10 :
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0x0));
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}
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CARD16
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tda9850_getstatus(TDA9850Ptr t)
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{
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CARD16 status;
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I2C_WriteRead(&(t->d), NULL, 0, (I2CByte *) & status, 2);
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return status;
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}
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