add FCI FC2580 tuner support

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

include/Makefile.am

@@ -1,5 +1,5 @@
 rtlsdr_HEADERS = rtl-sdr.h
 
-noinst_HEADERS = rtlsdr_i2c.h tuner_e4000.h tuner_fc0012.h tuner_fc0013.h
+noinst_HEADERS = rtlsdr_i2c.h tuner_e4000.h tuner_fc0012.h tuner_fc0013.h tuner_fc2580.h
 
 rtlsdrdir = $(includedir)

include/tuner_fc2580.h

@@ -0,0 +1,127 @@
+#ifndef __TUNER_FC2580_H
+#define __TUNER_FC2580_H
+
+#define	BORDER_FREQ	2600000	//2.6GHz : The border frequency which determines whether Low VCO or High VCO is used
+#define USE_EXT_CLK	0	//0 : Use internal XTAL Oscillator / 1 : Use External Clock input
+#define OFS_RSSI 57
+
+#define FC2580_I2C_ADDR		0xac
+#define FC2580_CHECK_ADDR	0x01
+#define FC2580_CHECK_VAL	0x56
+
+typedef enum {
+	FC2580_UHF_BAND,
+	FC2580_L_BAND,
+	FC2580_VHF_BAND,
+	FC2580_NO_BAND
+} fc2580_band_type;
+
+typedef enum {
+	FC2580_FCI_FAIL,
+	FC2580_FCI_SUCCESS
+} fc2580_fci_result_type;
+
+enum FUNCTION_STATUS
+{
+	FUNCTION_SUCCESS,
+	FUNCTION_ERROR,
+};
+
+extern void fc2580_wait_msec(void *pTuner, int a);
+
+fc2580_fci_result_type fc2580_i2c_write(void *pTuner, unsigned char reg, unsigned char val);
+fc2580_fci_result_type fc2580_i2c_read(void *pTuner, unsigned char reg, unsigned char *read_data);
+
+/*==============================================================================
+       fc2580 initial setting
+
+  This function is a generic function which gets called to initialize
+
+  fc2580 in DVB-H mode or L-Band TDMB mode
+
+  <input parameter>
+
+  ifagc_mode
+    type : integer
+	1 : Internal AGC
+	2 : Voltage Control Mode
+
+==============================================================================*/
+fc2580_fci_result_type fc2580_set_init(void *pTuner, int ifagc_mode, unsigned int freq_xtal );
+
+/*==============================================================================
+       fc2580 frequency setting
+
+  This function is a generic function which gets called to change LO Frequency
+
+  of fc2580 in DVB-H mode or L-Band TDMB mode
+
+  <input parameter>
+
+  f_lo
+	Value of target LO Frequency in 'kHz' unit
+	ex) 2.6GHz = 2600000
+
+==============================================================================*/
+fc2580_fci_result_type fc2580_set_freq(void *pTuner, unsigned int f_lo, unsigned int freq_xtal );
+
+
+/*==============================================================================
+       fc2580 filter BW setting
+
+  This function is a generic function which gets called to change Bandwidth
+
+  frequency of fc2580's channel selection filter
+
+  <input parameter>
+
+  filter_bw
+    1 : 1.53MHz(TDMB)
+	6 : 6MHz
+	7 : 7MHz
+	8 : 7.8MHz
+
+
+==============================================================================*/
+fc2580_fci_result_type fc2580_set_filter( void *pTuner, unsigned char filter_bw, unsigned int freq_xtal );
+
+// The following context is FC2580 tuner API source code
+// Definitions
+
+// AGC mode
+enum FC2580_AGC_MODE
+{
+	FC2580_AGC_INTERNAL = 1,
+	FC2580_AGC_EXTERNAL = 2,
+};
+
+
+// Bandwidth mode
+enum FC2580_BANDWIDTH_MODE
+{
+	FC2580_BANDWIDTH_1530000HZ = 1,
+	FC2580_BANDWIDTH_6000000HZ = 6,
+	FC2580_BANDWIDTH_7000000HZ = 7,
+	FC2580_BANDWIDTH_8000000HZ = 8,
+};
+
+// Manipulaing functions
+int
+fc2580_Initialize(
+	void *pTuner
+	);
+
+int
+fc2580_SetRfFreqHz(
+	void *pTuner,
+	unsigned long RfFreqHz
+	);
+
+// Extra manipulaing functions
+int
+fc2580_SetBandwidthMode(
+	void *pTuner,
+	int BandwidthMode
+	);
+
+#endif