add initial support for the R820T tuner

Signed-off-by: Steve Markgraf <steve@steve-m.de>

2 files changed, 194 insertions, 1 deletions

diff --git a/include/rtl-sdr.h b/include/rtl-sdr.h
index 5eef94a..2b9fff0 100644
--- a/include/rtl-sdr.h
+++ b/include/rtl-sdr.h
@@ -131,7 +131,8 @@ enum rtlsdr_tuner {
 	RTLSDR_TUNER_E4000,
 	RTLSDR_TUNER_FC0012,
 	RTLSDR_TUNER_FC0013,
-	RTLSDR_TUNER_FC2580
+	RTLSDR_TUNER_FC2580,
+	RTLSDR_TUNER_R820T
 };
 
 /*!
diff --git a/include/tuner_r820t.h b/include/tuner_r820t.h
new file mode 100644
index 0000000..058a9f2
--- /dev/null
+++ b/include/tuner_r820t.h
@@ -0,0 +1,192 @@
+#ifndef _R820T_TUNER_H
+#define _R820T_TUNER_H
+
+#define R820T_I2C_ADDR		0x34
+#define R820T_CHECK_ADDR	0x00
+#define R820T_CHECK_VAL		0x69
+
+//***************************************************************
+//*                       INCLUDES.H
+//***************************************************************
+#define VERSION   "R820T_v1.49_ASTRO"
+#define VER_NUM  49
+
+#define USE_16M_XTAL		FALSE
+#define R828_Xtal		28800
+
+#define USE_DIPLEXER		FALSE
+#define TUNER_CLK_OUT		TRUE
+
+#ifndef _UINT_X_
+#define _UINT_X_ 1
+typedef unsigned char  UINT8;
+typedef unsigned short UINT16;
+typedef unsigned int   UINT32;
+#endif
+
+#define TRUE	1
+#define FALSE	0
+
+#define FUNCTION_SUCCESS	0
+#define FUNCTION_ERROR		-1
+
+typedef enum _R828_ErrCode
+{
+	RT_Success,
+	RT_Fail
+}R828_ErrCode;
+
+typedef enum _Rafael_Chip_Type  //Don't modify chip list
+{
+	R828 = 0,
+	R828D,
+	R828S,
+	R820T,
+	R820C,
+	R620D,
+	R620S
+}Rafael_Chip_Type;
+//----------------------------------------------------------//
+//                   R828 Parameter                        //
+//----------------------------------------------------------//
+
+extern UINT8 R828_ADDRESS;
+
+#define DIP_FREQ  	  320000
+#define IMR_TRIAL    9
+#define VCO_pwr_ref   0x02
+
+extern UINT32 R828_IF_khz;
+extern UINT32 R828_CAL_LO_khz;
+extern UINT8  R828_IMR_point_num;
+extern UINT8  R828_IMR_done_flag;
+extern UINT8  Rafael_Chip;
+
+typedef enum _R828_Standard_Type  //Don't remove standand list!!
+{
+	NTSC_MN = 0,
+	PAL_I,
+	PAL_DK,
+	PAL_B_7M,       //no use
+	PAL_BGH_8M,     //for PAL B/G, PAL G/H
+	SECAM_L,
+	SECAM_L1_INV,   //for SECAM L'
+	SECAM_L1,       //no use
+	ATV_SIZE,
+	DVB_T_6M = ATV_SIZE,
+	DVB_T_7M,
+	DVB_T_7M_2,
+	DVB_T_8M,
+	DVB_T2_6M,
+	DVB_T2_7M,
+	DVB_T2_7M_2,
+	DVB_T2_8M,
+	DVB_T2_1_7M,
+	DVB_T2_10M,
+	DVB_C_8M,
+	DVB_C_6M,
+	ISDB_T,
+	DTMB,
+	R828_ATSC,
+	FM,
+	STD_SIZE
+}R828_Standard_Type;
+
+extern UINT8  R828_Fil_Cal_flag[STD_SIZE];
+
+typedef enum _R828_SetFreq_Type
+{
+	FAST_MODE = TRUE,
+	NORMAL_MODE = FALSE
+}R828_SetFreq_Type;
+
+typedef enum _R828_LoopThrough_Type
+{
+	LOOP_THROUGH = TRUE,
+	SIGLE_IN     = FALSE
+}R828_LoopThrough_Type;
+
+
+typedef enum _R828_InputMode_Type
+{
+	AIR_IN = 0,
+	CABLE_IN_1,
+	CABLE_IN_2
+}R828_InputMode_Type;
+
+typedef enum _R828_IfAgc_Type
+{
+	IF_AGC1 = 0,
+	IF_AGC2
+}R828_IfAgc_Type;
+
+typedef enum _R828_GPIO_Type
+{
+	HI_SIG = TRUE,
+	LO_SIG = FALSE
+}R828_GPIO_Type;
+
+typedef struct _R828_Set_Info
+{
+	UINT32        RF_KHz;
+	R828_Standard_Type R828_Standard;
+	R828_LoopThrough_Type RT_Input;
+	R828_InputMode_Type   RT_InputMode;
+	R828_IfAgc_Type R828_IfAgc_Select; 
+}R828_Set_Info;
+
+typedef struct _R828_RF_Gain_Info
+{
+	UINT8   RF_gain1;
+	UINT8   RF_gain2;
+	UINT8   RF_gain_comb;
+}R828_RF_Gain_Info;
+
+typedef enum _R828_RF_Gain_TYPE
+{
+	RF_AUTO = 0,
+	RF_MANUAL
+}R828_RF_Gain_TYPE;
+
+typedef struct _R828_I2C_LEN_TYPE
+{
+	UINT8 RegAddr;
+	UINT8 Data[50];
+	UINT8 Len;
+}R828_I2C_LEN_TYPE;
+
+typedef struct _R828_I2C_TYPE
+{
+	UINT8 RegAddr;
+	UINT8 Data;
+}R828_I2C_TYPE;
+//----------------------------------------------------------//
+//                   R828 Function                         //
+//----------------------------------------------------------//
+R828_ErrCode R828_Init(void *pTuner);
+R828_ErrCode R828_Standby(void *pTuner, R828_LoopThrough_Type R828_LoopSwitch);
+R828_ErrCode R828_GPIO(void *pTuner, R828_GPIO_Type R828_GPIO_Conrl);
+R828_ErrCode R828_SetStandard(void *pTuner, R828_Standard_Type RT_Standard);
+R828_ErrCode R828_SetFrequency(void *pTuner, R828_Set_Info R828_INFO, R828_SetFreq_Type R828_SetFreqMode);
+R828_ErrCode R828_GetRfGain(void *pTuner, R828_RF_Gain_Info *pR828_rf_gain);
+R828_ErrCode R828_RfGainMode(void *pTuner, R828_RF_Gain_TYPE R828_RfGainType);
+
+int
+r820t_SetRfFreqHz(
+	void *pTuner,
+	unsigned long RfFreqHz
+	);
+
+int
+r820t_SetStandardMode(
+	void *pTuner,
+	int StandardMode
+	);
+
+int
+r820t_SetStandby(
+	void *pTuner,
+	int LoopThroughType
+	);
+
+#endif /* _R820T_TUNER_H */