Imported Upstream version 1.15.1
[deb_xorg-server.git] / hw / xfree86 / i2c / tda9885.c
CommitLineData
a09e091a
JB
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
10TDA9885Ptr
11Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr)
12{
13 TDA9885Ptr t;
14 I2CByte a;
15
16 t = calloc(1, sizeof(TDA9885Rec));
17 if (t == NULL)
18 return NULL;
19 switch (addr) {
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 free(t);
40 return NULL;
41 }
42
43 /* set default parameters */
44 if (!I2CDevInit(&(t->d))) {
45 free(t);
46 return NULL;
47 }
48
49 return t;
50}
51
52Bool
53tda9885_init(TDA9885Ptr t)
54{
55 t->forced_mute_audio = 1;
56 return TRUE;
57}
58
59void
60tda9885_getstatus(TDA9885Ptr t)
61{
62 CARD8 value;
63
64 I2C_WriteRead(&(t->d), NULL, 0, &value, 1);
65 t->after_reset = value & 1;
66 t->afc_status = (value >> 1) & 0xf;
67 t->fm_carrier = (value >> 5) & 1;
68 t->vif_level = (value >> 6) & 1;
69 t->afc_win = (value >> 7) & 1;
70}
71
72void
73tda9885_setparameters(TDA9885Ptr t)
74{
75 CARD8 data[4];
76
77 data[0] = 0; /* start with subaddress 0 */
78 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 */
79 data[2] = (t->top_adjustment & 0x1f) | ((t->deemphasis & 0x3) << 5) | ((t->audio_gain & 1) << 7); /* C data */
80 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 */
81
82 I2C_WriteRead(&(t->d), data, 4, NULL, 0);
83
84 xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO,
85 "TDA9885 setparam: B data: %x, C data: %x, E data: %x\n",
86 data[1], data[2], data[3]);
87}
88
89void
90tda9885_dumpstatus(TDA9885Ptr t)
91{
92 xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO,
93 "TDA9885 status: after_reset=%d afc_status=%d (%3.1f kHz off) fm_carrier=%d vif_level=%d afc_win=%d %s\n",
94 t->after_reset, t->afc_status,
95 (t->afc_status <
96 8) ? -12.5 - t->afc_status * 25.0 : -12.5 + (16 -
97 t->afc_status) *
98 25.0, t->fm_carrier, t->vif_level, t->afc_win,
99 t->afc_win ? "VCO in" : "VCO out");
100}