105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include "xf86.h"
|
|
#include "xf86i2c.h"
|
|
#include "tda9885.h"
|
|
#include "i2c_def.h"
|
|
|
|
|
|
TDA9885Ptr Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr)
|
|
{
|
|
TDA9885Ptr t;
|
|
I2CByte a;
|
|
|
|
t = xcalloc(1, sizeof(TDA9885Rec));
|
|
if(t == NULL) return NULL;
|
|
switch(addr)
|
|
{
|
|
case TDA9885_ADDR_1:
|
|
case TDA9885_ADDR_2:
|
|
case TDA9885_ADDR_3:
|
|
case TDA9885_ADDR_4:
|
|
t->d.DevName = "TDA9885 Alignment-free IF-PLL";
|
|
break;
|
|
default:
|
|
t->d.DevName = "Generic TDAxxxx";
|
|
break;
|
|
}
|
|
t->d.SlaveAddr = addr;
|
|
t->d.pI2CBus = b;
|
|
t->d.NextDev = NULL;
|
|
t->d.StartTimeout = b->StartTimeout;
|
|
t->d.BitTimeout = b->BitTimeout;
|
|
t->d.AcknTimeout = b->AcknTimeout;
|
|
t->d.ByteTimeout = b->ByteTimeout;
|
|
|
|
if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
|
|
{
|
|
xfree(t);
|
|
return NULL;
|
|
}
|
|
|
|
/* set default parameters */
|
|
if(!I2CDevInit(&(t->d)))
|
|
{
|
|
xfree(t);
|
|
return NULL;
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
Bool tda9885_init(TDA9885Ptr t)
|
|
{
|
|
t->forced_mute_audio=1;
|
|
return TRUE;
|
|
}
|
|
|
|
void tda9885_getstatus(TDA9885Ptr t)
|
|
{
|
|
CARD8 value;
|
|
|
|
I2C_WriteRead(&(t->d), NULL, 0, &value, 1);
|
|
t->after_reset=value & 1;
|
|
t->afc_status=(value >> 1) & 0xf;
|
|
t->fm_carrier=(value>>5)& 1;
|
|
t->vif_level=(value >>6) & 1;
|
|
t->afc_win=(value >> 7)&1;
|
|
}
|
|
|
|
void tda9885_setparameters(TDA9885Ptr t)
|
|
{
|
|
CARD8 data[4];
|
|
|
|
data[0]=0; /* start with subaddress 0 */
|
|
data[1]=(t->sound_trap & 1) |
|
|
((t->auto_mute_fm &1)<<1) |
|
|
((t->carrier_mode &1)<<2) |
|
|
((t->modulation &3)<<3) |
|
|
((t->forced_mute_audio &1)<<5) |
|
|
((t->port1 & 1)<<6) |
|
|
((t->port2 &1)<<7); /* B data */
|
|
data[2]=(t->top_adjustment & 0x1f) |
|
|
((t->deemphasis & 0x3)<<5) |
|
|
((t->audio_gain & 1) << 7); /* C data */
|
|
data[3]=(t->standard_sound_carrier & 0x3) |
|
|
((t->standard_video_if & 0x07)<<2) |
|
|
((t->minimum_gain & 0x01)<<5) |
|
|
((t->gating & 0x01)<<6) |
|
|
((t->vif_agc & 0x01)<<7); /* E data */
|
|
|
|
I2C_WriteRead(&(t->d), data, 4, NULL, 0);
|
|
|
|
xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 setparam: B data: %x, C data: %x, E data: %x\n", data[1], data[2], data[3]);
|
|
}
|
|
|
|
void tda9885_dumpstatus(TDA9885Ptr t)
|
|
{
|
|
xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 status: after_reset=%d afc_status=%d (%3.1f kHz off) fm_carrier=%d vif_level=%d afc_win=%d %s\n",
|
|
t->after_reset, t->afc_status,
|
|
(t->afc_status<8)?-12.5-t->afc_status*25.0:-12.5+(16-t->afc_status)*25.0,
|
|
t->fm_carrier, t->vif_level, t->afc_win, t->afc_win?"VCO in": "VCO out");
|
|
}
|