src/add-ons/media/media-add-ons/usb_webcam/sensors/pas106b.cpp

   1 /*
   2  * Copyright 2004-2008, François Revol, <revol@free.fr>.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "CamDebug.h"
   7 #include "CamSensor.h"
   8 #include "addons/sonix/SonixCamDevice.h"
   9
  10 //XXX: unfinished!
  11
  12 static const uint8 sProbeAddressList[] = {
  13         0x01,0x02,0x03,0x04,0x05,0x06,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x10
  14 };
  15 static const uint8 sProbeMatchList[] = {
  16         0x70,0x02,0x12,0x05,0x05,0x06,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x06
  17 };
  18
  19 class PAS106BSensor : public CamSensor {
  20 public:
  21         PAS106BSensor(CamDevice *_camera);
  22         ~PAS106BSensor();
  23         status_t        Probe();
  24         const char*     Name();
  25
  26         virtual bool            Use400kHz() const { return true; }; // supports both
  27         virtual bool            UseRealIIC() const { return true; };
  28
  29 private:
  30         bool    fIsSonix;
  31 };
  32
  33
  34 PAS106BSensor::PAS106BSensor(CamDevice *_camera)
  35 : CamSensor(_camera)
  36 {
  37         fIsSonix = (dynamic_cast<SonixCamDevice *>(_camera) != NULL);
  38         if (fIsSonix) {
  39                 fInitStatus = B_OK;
  40         } else {
  41                 PRINT((CH ": unknown camera device!" CT));
  42                 fInitStatus = ENODEV;
  43         }
  44 }
  45
  46
  47 PAS106BSensor::~PAS106BSensor()
  48 {
  49 }
  50
  51
  52 status_t
  53 PAS106BSensor::Probe()
  54 {
  55         Device()->PowerOnSensor(false);
  56         Device()->PowerOnSensor(true);
  57         if (fIsSonix) {
  58                 Device()->WriteReg8(SN9C102_CHIP_CTRL, 0x00);   /* power on the sensor, Fsys_clk=12MHz */
  59                 Device()->WriteReg8(SN9C102_CLOCK_SEL, 0x17);   /* enable sensor, force 24MHz */
  60         }
  61
  62         return ProbeByIICSignature(sProbeAddressList, sProbeMatchList,
  63                 sizeof(sProbeMatchList));
  64 }
  65
  66
  67 const char *
  68 PAS106BSensor::Name()
  69 {
  70         return "PixArt Imaging pas106b";
  71 }
  72
  73
  74 B_WEBCAM_DECLARE_SENSOR(PAS106BSensor, pas106b)
  75