1#ifdef HAVE_XORG_CONFIG_H
2#include <xorg-config.h>
3#endif
4
5#include "xf86.h"
6#include "xf86i2c.h"
7#include "tda9885.h"
8#include "i2c_def.h"
9
10
11TDA9885Ptr Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr)
12{
13  TDA9885Ptr t;
14  I2CByte a;
15
16  t = calloc(1, sizeof(TDA9885Rec));
17  if(t == NULL) return NULL;
18  switch(addr)
19  {
20      case TDA9885_ADDR_1:
21      case TDA9885_ADDR_2:
22      case TDA9885_ADDR_3:
23      case TDA9885_ADDR_4:
24	  t->d.DevName = "TDA9885 Alignment-free IF-PLL";
25	  break;
26      default:
27          t->d.DevName = "Generic TDAxxxx";
28	  break;
29  }
30  t->d.SlaveAddr = addr;
31  t->d.pI2CBus = b;
32  t->d.NextDev = NULL;
33  t->d.StartTimeout = b->StartTimeout;
34  t->d.BitTimeout = b->BitTimeout;
35  t->d.AcknTimeout = b->AcknTimeout;
36  t->d.ByteTimeout = b->ByteTimeout;
37
38  if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
39  {
40     free(t);
41     return NULL;
42  }
43
44  /* set default parameters */
45  if(!I2CDevInit(&(t->d)))
46  {
47     free(t);
48     return NULL;
49  }
50
51  return t;
52}
53
54Bool tda9885_init(TDA9885Ptr t)
55{
56  t->forced_mute_audio=1;
57  return TRUE;
58}
59
60void tda9885_getstatus(TDA9885Ptr t)
61{
62CARD8 value;
63
64I2C_WriteRead(&(t->d), NULL, 0, &value, 1);
65t->after_reset=value & 1;
66t->afc_status=(value >> 1) & 0xf;
67t->fm_carrier=(value>>5)& 1;
68t->vif_level=(value >>6) & 1;
69t->afc_win=(value >> 7)&1;
70}
71
72void tda9885_setparameters(TDA9885Ptr t)
73{
74CARD8 data[4];
75
76data[0]=0;  /* start with subaddress 0 */
77data[1]=(t->sound_trap & 1) |
78	((t->auto_mute_fm &1)<<1) |
79	((t->carrier_mode &1)<<2) |
80	((t->modulation &3)<<3) |
81	((t->forced_mute_audio &1)<<5) |
82	((t->port1 & 1)<<6) |
83	((t->port2 &1)<<7);         /* B data */
84data[2]=(t->top_adjustment & 0x1f) |
85	((t->deemphasis & 0x3)<<5) |
86	((t->audio_gain & 1) << 7);  /* C data */
87data[3]=(t->standard_sound_carrier & 0x3) |
88	((t->standard_video_if & 0x07)<<2) |
89	((t->minimum_gain & 0x01)<<5) |
90	((t->gating & 0x01)<<6) |
91	((t->vif_agc & 0x01)<<7);   /* E data */
92
93I2C_WriteRead(&(t->d), data, 4, NULL, 0);
94
95xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 setparam: B data: %x, C data: %x, E data: %x\n", data[1], data[2], data[3]);
96}
97
98void tda9885_dumpstatus(TDA9885Ptr t)
99{
100xf86DrvMsg(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",
101		t->after_reset, t->afc_status,
102		(t->afc_status<8)?-12.5-t->afc_status*25.0:-12.5+(16-t->afc_status)*25.0,
103		t->fm_carrier, t->vif_level, t->afc_win, t->afc_win?"VCO in": "VCO out");
104}
105