1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#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 = xcalloc(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))
{
xfree(t);
return NULL;
}
/* set default parameters */
if(!I2CDevInit(&(t->d)))
{
xfree(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;
}
|
