1#ifdef HAVE_XORG_CONFIG_H
2#include <xorg-config.h>
3#endif
4
5#include "xf86.h"
6#include "xf86i2c.h"
7#include "tda9850.h"
8#include "i2c_def.h"
9
10#define TDA9850(a,b)	{ \
11		data[0]=a; \
12		data[1]=b; \
13		I2C_WriteRead(&(t->d), data, 2, NULL, 0); \
14		}
15
16TDA9850Ptr Detect_tda9850(I2CBusPtr b, I2CSlaveAddr addr)
17{
18  TDA9850Ptr t;
19  I2CByte a;
20
21  t = calloc(1, sizeof(TDA9850Rec));
22  if(t == NULL) return NULL;
23  switch(addr)
24  {
25      case TDA9850_ADDR_1:
26	  t->d.DevName = "TDA9850 BTSC Stereo+SAP Audio Processor";
27	  break;
28      default:
29          t->d.DevName = "Generic TDAxxxx";
30	  break;
31  }
32  t->d.SlaveAddr = addr;
33  t->d.pI2CBus = b;
34  t->d.NextDev = NULL;
35  t->d.StartTimeout = b->StartTimeout;
36  t->d.BitTimeout = b->BitTimeout;
37  t->d.AcknTimeout = b->AcknTimeout;
38  t->d.ByteTimeout = b->ByteTimeout;
39
40  if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
41  {
42     free(t);
43     return NULL;
44  }
45
46  /* set default parameters */
47  if(!I2CDevInit(&(t->d)))
48  {
49     free(t);
50     return NULL;
51  }
52
53  return t;
54}
55
56Bool tda9850_init(TDA9850Ptr t)
57{
58  t->stereo = 1;
59  t->sap = 0;
60  t->mute = TRUE;
61  t->sap_mute = TRUE;
62  tda9850_setaudio(t);
63  return TRUE;
64}
65
66void tda9850_setaudio(TDA9850Ptr t)
67{
68CARD8 data[2];
69
70if(t->mux==2)
71{
72   TDA9850(0x04,0x0F); TDA9850(0x05,0x0F); TDA9850(0x06, 0x58);
73   TDA9850(0x07,0x07); TDA9850(0x08,0x00);
74   TDA9850(0x09,0x00); TDA9850(0x0A,0x03);
75} else
76{
77  TDA9850(0x04,0x07); TDA9850(0x05,0x07);
78  TDA9850(0x06,0x58); TDA9850(0x07,0x07);
79  TDA9850(0x08,0x10); TDA9850(0x09,0x10);
80  TDA9850(0x0A,0x03);
81}
82
83TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0)|(t->sap_mute?0x10:0x0));
84}
85
86void tda9850_mute(TDA9850Ptr t, Bool mute)
87{
88CARD8 data[2];
89
90xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_mute %s\n", mute ? "on" : "off");
91t->mute = mute;
92
93TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0));
94}
95
96void tda9850_sap_mute(TDA9850Ptr t, Bool sap_mute)
97{
98CARD8 data[2];
99
100xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_sap_mute %s\n", sap_mute ? "on" : "off");
101t->sap_mute = sap_mute;
102
103TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0));
104}
105
106CARD16 tda9850_getstatus(TDA9850Ptr t)
107{
108CARD16 status;
109
110I2C_WriteRead(&(t->d), NULL, 0, (I2CByte *)&status, 2);
111return status;
112}
113