xserver-multidpi/hw/xfree86/i2c/tda9850.c
Yaakov Selkowitz ea1d76d1b6 Fix formatting of address operators
The formatter confused address operators preceded by casts with
bitwise-and expressions, placing spaces on either side of both.
That syntax isn't used by ordinary address operators, however,
so fix them for consistency.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
2012-12-05 18:09:48 -06:00

137 lines
3.2 KiB
C

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