mt6188a1_drv.c

gemini0816 fm drv new

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
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*
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/*******************************************************************************
 
 *******************************************************************************/
#include "l1audio_def.h"

#if (defined(MT6188A1))

static uint8 cw_cache[74] = {0};

static int32 freq_IF_array[2][3]={{0,0,0},{0,0,0}};//for auto search
static int8 index_count=0; 
static int8 max_count=2;

//#define force_mono
#define USE_I2C
/// #define MT6188_DEBUG
//#define MT6188_DEBUG_DUMP_LOG       //Option log file
//#define MT6188_timing_cal
//#define __MT6188CR_DISABLE_SOFTMUTE__

#if defined MT6188_DEBUG
static uint8 dbg_cw_readback = 0;
#endif

#if (defined(MT6205B) || defined(MT6208)) && defined(MT6188_DEBUG_DUMP_LOG)
#error "No file system on MT6205!"
#endif

/* MT6188 Control Word */
#define CW(_A,_B)  (const)(uint8)((_A << 1) + _B)

/* General propose constant */
#define MT6188                96    /// Device ID of MT6188 = 96
#define OP_WRITE              0     /// Write to MT6188
#define OP_READ               1     /// Read from MT6188
#define MT6188_WRITE          192
#define MT6188_READ           193
#define SET_FREQ_FAIL         -1
#define LO_INJECTION          0
#define HI_INJECTION          1
#define RSSI_CHECK_FAIL       2
#define FM_TUNER_GRID         100
#define PRESET_IF             280   /// Preset IF: 280 khz
#define IF_MEASURE_COUNT      5     /// 3 * 1.9 ms = 5.7 ms
#define VCO_LOCKING_TIME      4     /// 4 * 4.615 ms
#define CALIBRATION_FAIL_COUNT_THRESHOLD 5

#if !defined( MT6205B ) && !defined( MT6208 )
#define REF_CLK_32K
#define PRESET_IF_CNT         547   //280000*64/32768 = 546.875274   
#define PRESET_IF_DELTA_O     50//52
#define PRESET_IF_OFFSET      15	//offset 8Khz
#define IF_CONVERT_FACTOR     512   /// 32768 / 64 = 512
#else
#define USE_MT6188_AMP
#define REF_CLK_26M
#define PRESET_IF_CNT         529   //280000 * 49152 / 26000000 = 529.33 //265   
#define PRESET_IF_DELTA_O     50
#define PRESET_IF_OFFSET      15	//offset 8Khz
#define IF_CONVERT_FACTOR     529   /// 26000000 / 49152 = 529
#endif


#ifdef USE_MT6188_AMP
void ExtSwitchInit(void);
void SwitchExtFMPath(uint8 if_on);
#endif

/* Serial communication interfaces */
void  SerialCommInit(void);
void  SerialCommRelease(void);
void  SerialCommCryClkOn(void);
void  SerialCommCryClkOff(void);
void  GPIO_WriteIO(char data,char port);

#if defined USE_I2C
void  SerialCommStart(void);
void  SerialCommStop(void);
uint8 SerialCommTxByte(uint8 data);
void  SerialCommRxByte(uint8 *data, uint8 ack);
#elif defined USE_3_WIRE
uint8 SerialCommTxByte(uint8 cw, uint8 data);
void  SerialCommRxByte(uint8 cw, uint8 *data);
#endif

typedef struct {
   uint8 addr;
   uint8 value;
} ctrl_word_setting;

typedef struct {
   uint8 addr;
   uint8 and;
   uint8 or;
} ctrl_word_operation;

extern uint8 const FM_RADIO_INPUT_LEVEL_THRESHOLD;
void FMDrv_Mute(uint8 mute);
void FMDrv_EvaluateRSSIThreshold(void);

/// Global variables for current FM status
static int16 _current_frequency = -1;
static uint8 _current_level = 0x80;
static bool  _is_fm_on = false;
static bool  _is_fm_mute = false;
static uint8 _rssi_threshold;
static uint8 _valid_rssi = 0;
static uint16 PRESET_IF_CNT_PLUS;		            //add to adjust IF rounding
static uint8 PRESET_IF_DELTA = PRESET_IF_DELTA_O;
static uint8 PRESET_IF_DELTA_check = 52;
static uint8 RSSI_offset = 0;                       //RSSI_offset;
static uint8 _rssi_threshold = 0;                   //FM_RADIO_INPUT_LEVEL_THRESHOLD for engineer mode;
static uint8 mono_flag = 0;
static uint8 Chip_ID = 0;


#ifdef MT6188_DEBUG_DUMP_LOG
extern uint32 video_get_current_time(void);
extern uint32 video_get_duration_ms(uint32 t1);
static kal_uint8 _file_name[] = {"D\0:\0\\\0f\0m\0_\0l\0o\0g\0.\0t\0x\0t\0\0\0"};
static uint32 _data_written;
static uint8  _dbg_str[128];
static FS_HANDLE  _file_handle = 0;

static kal_uint8 _channel_name[] = {"D\0:\0\\\0l\0i\0s\0_\0l\0o\0g\0.\0t\0x\0t\0\0\0"};
static uint32 _list_written;
static uint8  _list_str[128];
static FS_HANDLE  _file_list = 0;
#endif

static void MT6188_Mute(uint8 mute);
void FMDrv_EvaluateRSSIThreshold(void);

// enginner mode struct
typedef enum group_idx {
	   mono=0,
	   stereo,
	   RSSI_threshold,
	   IF_count_delta,
	   GROUP_TOTAL_NUMS
	} FACTORY_GROUP_ENUM;
	
typedef enum item_idx {
	   Sblend_OFF=0,
	   Sblend_ON,  
	   ITEM_TOTAL_NUMS
	} FACTORY_ITEM_INDEX;
// enginner mode struct

#define POWER_ON_COMMAND_COUNT_V5 62
static const ctrl_word_setting PowerOnSetting_V5[POWER_ON_COMMAND_COUNT_V5] = {
   { CW(   1, 1),    5 },
   { CW(   2, 1),   64 },{ CW(   2, 0),    4 },
   { CW(   3, 1),   28 },{ CW(   3, 0),   49 },
   { CW(   4, 1),  128 },{ CW(   4, 0),  175 },//cw(4,0)199
   { CW(   5, 1),  228 },{ CW(   5, 0),   47 },//47 AGC_off, by joetsou  //cw(5,0)175
   { CW(   7, 1),    0 },{ CW(   7, 0),  119 },
   { CW(   8, 1),  134 },{ CW(   8, 0),   89 }, 
   { CW(   9, 1),  152 },{ CW(   9, 0),   18 },
   { CW(  10, 1),   8 },{ CW(  10, 0),    3 },
   { CW(  11, 1),  129 },{ CW(  11, 0),    5 },
   { CW(  12, 1),    4 },{ CW(  12, 0),    3 },//cw(13, 0)136
   { CW(  13, 1),   32 },{ CW(  13, 0),  137 },//cw(14,0)254,110
   { CW(  14, 1),  255 },{ CW(  14, 0),  255 },
   { CW(  15, 1),  192 },{ CW(  15, 0),    8 },//cw(17, 1)40
   { CW(  16, 1),    8 },{ CW(  16, 0),  104 },
   { CW(  17, 1),   76 },{ CW(  17, 0),   14 },//cw(18, 0)0
   { CW(  18, 1),    6 },{ CW(  18, 0),  138 },//cw(19, 0)16
   { CW(  19, 1),    3 },{ CW(  19, 0),   56 },
   { CW(  21, 1),  167 },{ CW(  21, 0),   68 },//69//CW21_0[0] 0	//diable auto AGC,check with joetsou
   { CW(  22, 1),  68 },{ CW(  22, 0),    71 },
   { CW(  23, 1),   76 },{ CW(  23, 0),  233 },//cw(23, 0)239/233
   { CW(  24, 1),    3 },{ CW(  24, 0),    0 },
   { CW(  30, 1),  136 },{ CW(  30, 0),  136 },
   { CW(  31, 1),    0 },{ CW(  31, 0),    0 },
   { CW(  32, 1),    0 },{ CW(  32, 0),    0 },
   { CW(  33, 1),    0 },{ CW(  33, 0),    0 },//cw(23, 0)239/233
   { CW(  34, 1),    0 },{ CW(  34, 0),    1 },
   { CW(  97, 1),   16 },{ CW(  97, 0),    0 },
   { CW(  98, 1),  128 },{ CW(  98, 0),    0 },
   { CW(  99, 1),  128 },{ CW(  99, 0),    0 },
   			 { CW( 101, 0),    4 },
   { CW( 103, 1),    4 },{ CW( 103, 0),   32 },
};

#define POWER_ON_COMMAND_COUNT_V4 52
static const ctrl_word_setting PowerOnSetting_V4[POWER_ON_COMMAND_COUNT_V4] = {
   { CW(  1, 1),  0 },	{ CW(  1, 0),  10 },
   { CW(  2, 1),  64 },	{ CW(  3, 1),  28 },
   { CW(  3, 0),  53 },	{ CW(  4, 1),  128 },
   { CW(  4, 0),  183 },{ CW(  5, 1),  100 },//cw(4,0)199
   { CW(  5, 0),  175 },{ CW(  7, 1),  0 }, //175, off_AGC, joetsou //cw(5,0)175
   { CW(  7, 0),  247 },{ CW(  8, 1),  134 },
   { CW(  8, 0),  89 }, { CW(  9, 1),  152 },
   { CW(  9, 0),  18 }, { CW(  10, 1), 0 }, 
   { CW(  10, 0), 3 },  { CW(  11, 1), 1 },
   { CW(  11, 0), 5 },	{ CW(  12, 1), 4 },
   { CW(  12, 0), 3 },	{ CW(  13, 1), 0 },
   { CW(  13, 0), 0 },{ CW(  14, 1), 255 },//cw(13, 0)136
   { CW(  14, 0), 246 },{ CW(  15, 1), 255 },//cw(14,0)254,110
   { CW(  15, 0), 252 },{ CW(  16, 1), 108 },
   { CW(  16, 0), 108 },{ CW(  17, 1), 72 },//cw(17, 1)40
   { CW(  17, 0), 204 },{ CW(  18, 1), 6 },
   { CW(  18, 0), 34 },	{ CW(  19, 1), 3 },//cw(18, 0)0
   { CW(  19, 0), 92 }, { CW(  21, 1), 0 },//cw(19, 0)16
   { CW(  21, 0), 26 }, { CW(  22, 1), 0 },
   { CW(  22, 0), 2 },  { CW(  23, 1), 3 },
   { CW(  23, 0), 228 },{ CW(  24, 1), 3 },//cw(23, 0)239/233
   { CW(  24, 0), 0 },	{ CW(  97, 1), 16 },
   { CW(  97, 0), 0 },	{ CW(  98, 1), 128 },
   { CW(  98, 0), 0 },	{ CW(  99, 1), 128 },
   { CW(  99, 0), 0 },	{ CW(  101,0), 4 },
   { CW(  103,1), 4 },	{ CW(  103,0), 32 },
};

#define POWER_ON_COMMAND_COUNT_V3 48
static const ctrl_word_setting PowerOnSetting_V3[POWER_ON_COMMAND_COUNT_V3] = {
   { CW(  1, 1),  0 },	{ CW(  1, 0),  10 },
   { CW(  2, 1),  64 },	{ CW(  3, 1),  28 },
   { CW(  3, 0),  53 },	{ CW(  4, 1),  128 },
   { CW(  4, 0),  199 },{ CW(  5, 1),  100 },
   { CW(  5, 0),  175 },{ CW(  7, 1),  0 },//175 off_AGC_joetsou  //cw(5,0)175
   { CW(  7, 0),  247 },{ CW(  8, 1),  134 },
   { CW(  8, 0),  89 }, { CW(  9, 1),  152 },
   { CW(  9, 0),  18 }, { CW(  10, 1), 0 }, 
   { CW(  10, 0), 3 },  { CW(  11, 1), 1 },
   { CW(  11, 0), 5 },	{ CW(  12, 1), 4 },
   { CW(  12, 0), 3 },	{ CW(  13, 1), 0 },
   { CW(  13, 0), 136 },{ CW(  14, 1), 255 },
   { CW(  14, 0), 110 },{ CW(  15, 1), 255 },//cw(14,0)254
   { CW(  15, 0), 252 },{ CW(  16, 1), 108 },
   { CW(  16, 0), 108 },{ CW(  17, 1), 40 },
   { CW(  17, 0), 204 },{ CW(  18, 1), 6 },
   { CW(  18, 0), 0 },	{ CW(  19, 1), 3 },
   { CW(  19, 0), 16 }, { CW(  23, 1), 3 },
   { CW(  23, 0), 239 },{ CW(  24, 1), 3 },
   { CW(  24, 0), 0 },	{ CW(  97, 1), 16 },
   { CW(  97, 0), 0 },	{ CW(  98, 1), 128 },
   { CW(  98, 0), 0 },	{ CW(  99, 1), 128 },
   { CW(  99, 0), 0 },	{ CW(  101,0), 4 },
   { CW(  103,1), 4 },	{ CW(  103,0), 32 },
}; 


#define POWER_OFF_COMMAND_COUNT 2
static const ctrl_word_operation PowerOffProc[POWER_OFF_COMMAND_COUNT] = {
   { CW(  1, 1), 0xBF, 0x40 },	//CW1_1		[6:6]	1
   { CW(  1, 1), 0x9F, 0x20 },	//CW1_1		[6:5]	1	
};

// start chip ID = 5
#define CAL_PRESET_COUNT_V5 28
static const ctrl_word_operation CalPresetProcess_V5[CAL_PRESET_COUNT_V5] = {
   { CW( 14, 0), 0x7F, 0x00 },	//CW14_0	[7:7]	0  	//S_AUTO,STEREO
   { CW( 14, 0), 0xEF, 0x10 },	//CW14_0	[4:4]	1
   { CW(  5, 1), 0xFB, 0x04 },	//CW5_1		[2:2]	1	//Window_L
   { CW(  3, 0), 0xF8, 0x05 },	//CW3_0		[2:0]	5	//AMP_P,S_DIV_3
   { CW(  3, 0), 0xFE, 0x01 },	//CW3_0		[0:0]	1	//S_DIV_256,S_DIV_128,S_DIV_3
   { CW(  3, 1), 0xE3, 0x1C },	//CW3_1		[4:2]	7	//ISEL
   { CW( 12, 0), 0xFE, 0x01 },	//CW12_0	[0:0]	1	//PLL19K_P
   { CW( 12, 0), 0xFD, 0x02 },	//CW12_0	[1:1]	1	//PLL_19K_P
   { CW(  7, 0), 0xE0, 0x17 },	//CW7_0		[4:0]	23	//VCO_PW,PRE_PW,LO_PW,VER
   { CW( 10, 1), 0xDF, 0x20 },	//CW10_1	[5:5]	1	//FRCKTEST
   { CW( 12, 1), 0xEF, 0x00 },	//CW12_1	[4:4]	0	//EN_TESTMODE_PLL19K
   { CW( 12, 1), 0x1F, 0x00 },	//CW12_1	[7:5]	0	//TEST_OUTSEL_19K[2:0]