diff options
| author | Mauro Carvalho Chehab | 2011-07-21 00:48:59 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2012-01-05 01:12:41 +0100 |
| commit | 223c7b05e53b383827ce7998bcce18998d1023dd (patch) | |
| tree | 0df8c3f7f83b9c595b1bbdbee075b22fde6cfae8 /drivers/media/common/tuners/mt2063.c | |
| parent | [media] cx23885: Configure the MPEG encoder early to avoid jerky video (diff) | |
| download | kernel-qcow2-linux-223c7b05e53b383827ce7998bcce18998d1023dd.tar.gz kernel-qcow2-linux-223c7b05e53b383827ce7998bcce18998d1023dd.tar.xz kernel-qcow2-linux-223c7b05e53b383827ce7998bcce18998d1023dd.zip | |
[media] add driver for mt2063
Those files are marked as licensed with GPL, so, it is ok to
merge. They came from Terratec site:
http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common/tuners/mt2063.c')
| -rw-r--r-- | drivers/media/common/tuners/mt2063.c | 4486 |
1 files changed, 4486 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/mt2063.c b/drivers/media/common/tuners/mt2063.c new file mode 100644 index 000000000000..46001916b991 --- /dev/null +++ b/drivers/media/common/tuners/mt2063.c @@ -0,0 +1,4486 @@ +
+#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +
+#include "drxk_type.h"
+#include "mt2063.h"
+
+/* Version of this module */
+#define MT2063_VERSION 10018 /* Version 01.18 */
+
+static unsigned int verbose; +module_param(verbose, int, 0644);
+
+//i2c operation
+static int mt2063_writeregs(struct mt2063_state *state, u8 reg1,
+ u8 *data, int len) +{ + int ret; + u8 buf[60];/* = { reg1, data };*/
+
+ struct i2c_msg msg = { + .addr = state->config->tuner_address,
+ .flags = 0, + .buf = buf, + .len = len + 1 + }; + + msg.buf[0] = reg1; + memcpy(msg.buf + 1, data, len); +
+ //printk("mt2063_writeregs state->i2c=%p\n", state->i2c);
+ ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret < 0)
+ printk("mt2063_writeregs error ret=%d\n", ret);
+ + return ret;
+}
+
+static int mt2063_read_regs(struct mt2063_state *state, u8 reg1, u8 *b, u8 len)
+{ + int ret;
+ u8 b0[] = { reg1 };
+ struct i2c_msg msg[] = { + { + .addr = state->config->tuner_address,
+ .flags = I2C_M_RD,
+ .buf = b0,
+ .len = 1 + }, { + .addr = state->config->tuner_address,
+ .flags = I2C_M_RD, + .buf = b,
+ .len = len
+ } + }; +
+ //printk("mt2063_read_regs state->i2c=%p\n", state->i2c);
+ ret = i2c_transfer(state->i2c, msg, 2);
+ if (ret < 0)
+ printk("mt2063_readregs error ret=%d\n", ret);
+ + return ret;
+}
+
+
+
+
+//context of mt2063_userdef.c <Henry> ======================================
+//#################################################################
+//=================================================================
+/*****************************************************************************
+**
+** Name: MT_WriteSub
+**
+** Description: Write values to device using a two-wire serial bus.
+**
+** Parameters: hUserData - User-specific I/O parameter that was
+** passed to tuner's Open function.
+** addr - device serial bus address (value passed
+** as parameter to MTxxxx_Open)
+** subAddress - serial bus sub-address (Register Address)
+** pData - pointer to the Data to be written to the
+** device
+** cnt - number of bytes/registers to be written
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** user-defined
+**
+** Notes: This is a callback function that is called from the
+** the tuning algorithm. You MUST provide code for this
+** function to write data using the tuner's 2-wire serial
+** bus.
+**
+** The hUserData parameter is a user-specific argument.
+** If additional arguments are needed for the user's
+** serial bus read/write functions, this argument can be
+** used to supply the necessary information.
+** The hUserData parameter is initialized in the tuner's Open
+** function.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 03-25-2004 DAD Original
+**
+*****************************************************************************/
+UData_t MT2063_WriteSub(Handle_t hUserData,
+ UData_t addr,
+ U8Data subAddress,
+ U8Data *pData,
+ UData_t cnt)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct dvb_frontend *fe = hUserData;
+ struct mt2063_state *state = fe->tuner_priv;
+ /*
+ ** ToDo: Add code here to implement a serial-bus write
+ ** operation to the MTxxxx tuner. If successful,
+ ** return MT_OK.
+ */
+/* return status; */
+
+//#if !TUNER_CONTROL_BY_DRXK_DRIVER
+ fe->ops.i2c_gate_ctrl(fe, 1); //I2C bypass drxk3926 close i2c bridge
+//#endif
+
+ if (mt2063_writeregs(state, subAddress,pData, cnt)<0)
+ {
+ status = MT2063_ERROR;
+ }
+
+//#if !TUNER_CONTROL_BY_DRXK_DRIVER
+ fe->ops.i2c_gate_ctrl(fe, 0); //I2C bypass drxk3926 close i2c bridge
+//#endif
+
+ return (status);
+}
+
+/*****************************************************************************
+**
+** Name: MT_ReadSub
+**
+** Description: Read values from device using a two-wire serial bus.
+**
+** Parameters: hUserData - User-specific I/O parameter that was
+** passed to tuner's Open function.
+** addr - device serial bus address (value passed
+** as parameter to MTxxxx_Open)
+** subAddress - serial bus sub-address (Register Address)
+** pData - pointer to the Data to be written to the
+** device
+** cnt - number of bytes/registers to be written
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** user-defined
+**
+** Notes: This is a callback function that is called from the
+** the tuning algorithm. You MUST provide code for this
+** function to read data using the tuner's 2-wire serial
+** bus.
+**
+** The hUserData parameter is a user-specific argument.
+** If additional arguments are needed for the user's
+** serial bus read/write functions, this argument can be
+** used to supply the necessary information.
+** The hUserData parameter is initialized in the tuner's Open
+** function.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 03-25-2004 DAD Original
+**
+*****************************************************************************/
+UData_t MT2063_ReadSub(Handle_t hUserData,
+ UData_t addr,
+ U8Data subAddress,
+ U8Data *pData,
+ UData_t cnt)
+{
+ /*
+ ** ToDo: Add code here to implement a serial-bus read
+ ** operation to the MTxxxx tuner. If successful,
+ ** return MT_OK.
+ */
+/* return status; */
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct dvb_frontend *fe = hUserData;
+ struct mt2063_state *state = fe->tuner_priv;
+ UData_t i = 0;
+//#if !TUNER_CONTROL_BY_DRXK_DRIVER
+ fe->ops.i2c_gate_ctrl(fe, 1); //I2C bypass drxk3926 close i2c bridge
+//#endif
+
+ for (i = 0; i < cnt; i++)
+ {
+ if (mt2063_read_regs(state, subAddress+i, pData+i, 1)<0)
+ {
+ status = MT2063_ERROR;
+ break;
+ }
+ }
+
+//#if !TUNER_CONTROL_BY_DRXK_DRIVER
+ fe->ops.i2c_gate_ctrl(fe, 0); //I2C bypass drxk3926 close i2c bridge
+//#endif
+
+ return(status);
+}
+
+
+/*****************************************************************************
+**
+** Name: MT_Sleep
+**
+** Description: Delay execution for "nMinDelayTime" milliseconds
+**
+** Parameters: hUserData - User-specific I/O parameter that was
+** passed to tuner's Open function.
+** nMinDelayTime - Delay time in milliseconds
+**
+** Returns: None.
+**
+** Notes: This is a callback function that is called from the
+** the tuning algorithm. You MUST provide code that
+** blocks execution for the specified period of time.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 03-25-2004 DAD Original
+**
+*****************************************************************************/
+void MT2063_Sleep(Handle_t hUserData,
+ UData_t nMinDelayTime)
+{
+ /*
+ ** ToDo: Add code here to implement a OS blocking
+ ** for a period of "nMinDelayTime" milliseconds.
+ */
+ msleep(nMinDelayTime);
+}
+
+
+#if defined(MT2060_CNT)
+#if MT2060_CNT > 0
+/*****************************************************************************
+**
+** Name: MT_TunerGain (MT2060 only)
+**
+** Description: Measure the relative tuner gain using the demodulator
+**
+** Parameters: hUserData - User-specific I/O parameter that was
+** passed to tuner's Open function.
+** pMeas - Tuner gain (1/100 of dB scale).
+** ie. 1234 = 12.34 (dB)
+**
+** Returns: status:
+** MT_OK - No errors
+** user-defined errors could be set
+**
+** Notes: This is a callback function that is called from the
+** the 1st IF location routine. You MUST provide
+** code that measures the relative tuner gain in a dB
+** (not linear) scale. The return value is an integer
+** value scaled to 1/100 of a dB.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 06-16-2004 DAD Original
+** N/A 11-30-2004 DAD Renamed from MT_DemodInputPower. This name
+** better describes what this function does.
+**
+*****************************************************************************/
+UData_t MT2060_TunerGain(Handle_t hUserData,
+ SData_t* pMeas)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+
+ /*
+ ** ToDo: Add code here to return the gain / power level measured
+ ** at the input to the demodulator.
+ */
+
+
+
+ return (status);
+}
+#endif
+#endif
+//end of mt2063_userdef.c
+//=================================================================
+//#################################################################
+//=================================================================
+
+
+//context of mt2063_spuravoid.c <Henry> ======================================
+//#################################################################
+//=================================================================
+
+/*****************************************************************************
+**
+** Name: mt_spuravoid.c
+**
+** Description: Microtune spur avoidance software module.
+** Supports Microtune tuner drivers.
+**
+** CVS ID: $Id: mt_spuravoid.c,v 1.3 2008/06/26 15:39:52 software Exp $
+** CVS Source: $Source: /export/home/cvsroot/software/tuners/MT2063/mt_spuravoid.c,v $
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 082 03-25-2005 JWS Original multi-tuner support - requires
+** MTxxxx_CNT declarations
+** 096 04-06-2005 DAD Ver 1.11: Fix divide by 0 error if maxH==0.
+** 094 04-06-2005 JWS Ver 1.11 Added uceil and ufloor to get rid
+** of compiler warnings
+** N/A 04-07-2005 DAD Ver 1.13: Merged single- and multi-tuner spur
+** avoidance into a single module.
+** 103 01-31-2005 DAD Ver 1.14: In MT_AddExclZone(), if the range
+** (f_min, f_max) < 0, ignore the entry.
+** 115 03-23-2007 DAD Fix declaration of spur due to truncation
+** errors.
+** 117 03-29-2007 RSK Ver 1.15: Re-wrote to match search order from
+** tuner DLL.
+** 137 06-18-2007 DAD Ver 1.16: Fix possible divide-by-0 error for
+** multi-tuners that have
+** (delta IF1) > (f_out-f_outbw/2).
+** 147 07-27-2007 RSK Ver 1.17: Corrected calculation (-) to (+)
+** Added logic to force f_Center within 1/2 f_Step.
+** 177 S 02-26-2008 RSK Ver 1.18: Corrected calculation using LO1 > MAX/2
+** Type casts added to preserve correct sign.
+** N/A I 06-17-2008 RSK Ver 1.19: Refactoring avoidance of DECT
+** frequencies into MT_ResetExclZones().
+** N/A I 06-20-2008 RSK Ver 1.21: New VERSION number for ver checking.
+**
+*****************************************************************************/
+
+#if !defined(MT2063_TUNER_CNT)
+#error MT2063_TUNER_CNT is not defined (see mt_userdef.h)
+#endif
+
+#if MT2063_TUNER_CNT == 0
+#error MT2063_TUNER_CNT must be updated in mt_userdef.h
+#endif
+
+/* Version of this module */
+#define MT2063_SPUR_VERSION 10201 /* Version 01.21 */
+
+
+/* Implement ceiling, floor functions. */
+#define ceil(n, d) (((n) < 0) ? (-((-(n))/(d))) : (n)/(d) + ((n)%(d) != 0))
+#define uceil(n, d) ((n)/(d) + ((n)%(d) != 0))
+#define floor(n, d) (((n) < 0) ? (-((-(n))/(d))) - ((n)%(d) != 0) : (n)/(d))
+#define ufloor(n, d) ((n)/(d))
+
+
+struct MT2063_FIFZone_t
+{
+ SData_t min_;
+ SData_t max_;
+};
+
+#if MT2063_TUNER_CNT > 1
+static struct MT2063_AvoidSpursData_t* TunerList[MT2063_TUNER_CNT];
+static UData_t TunerCount = 0;
+#endif
+
+UData_t MT2063_RegisterTuner(struct MT2063_AvoidSpursData_t* pAS_Info)
+{
+#if MT2063_TUNER_CNT == 1
+ pAS_Info->nAS_Algorithm = 1;
+ return MT2063_OK;
+#else
+ UData_t index;
+
+ pAS_Info->nAS_Algorithm = 2;
+
+ /*
+ ** Check to see if tuner is already registered
+ */
+ for (index = 0; index < TunerCount; index++)
+ {
+ if (TunerList[index] == pAS_Info)
+ {
+ return MT2063_OK; /* Already here - no problem */
+ }
+ }
+
+ /*
+ ** Add tuner to list - if there is room.
+ */
+ if (TunerCount < MT2063_TUNER_CNT)
+ {
+ TunerList[TunerCount] = pAS_Info;
+ TunerCount++;
+ return MT2063_OK;
+ }
+ else
+ return MT2063_TUNER_CNT_ERR;
+#endif
+}
+
+
+void MT2063_UnRegisterTuner(struct MT2063_AvoidSpursData_t* pAS_Info)
+{
+#if MT2063_TUNER_CNT == 1
+ pAS_Info;
+#else
+
+ UData_t index;
+
+ for (index = 0; index < TunerCount; index++)
+ {
+ if (TunerList[index] == pAS_Info)
+ {
+ TunerList[index] = TunerList[--TunerCount];
+ }
+ }
+#endif
+}
+
+
+/*
+** Reset all exclusion zones.
+** Add zones to protect the PLL FracN regions near zero
+**
+** N/A I 06-17-2008 RSK Ver 1.19: Refactoring avoidance of DECT
+** frequencies into MT_ResetExclZones().
+*/
+void MT2063_ResetExclZones(struct MT2063_AvoidSpursData_t* pAS_Info)
+{
+ UData_t center;
+#if MT2063_TUNER_CNT > 1
+ UData_t index;
+ struct MT2063_AvoidSpursData_t* adj;
+#endif
+
+ pAS_Info->nZones = 0; /* this clears the used list */
+ pAS_Info->usedZones = NULL; /* reset ptr */
+ pAS_Info->freeZones = NULL; /* reset ptr */
+
+ center = pAS_Info->f_ref * ((pAS_Info->f_if1_Center - pAS_Info->f_if1_bw/2 + pAS_Info->f_in) / pAS_Info->f_ref) - pAS_Info->f_in;
+ while (center < pAS_Info->f_if1_Center + pAS_Info->f_if1_bw/2 + pAS_Info->f_LO1_FracN_Avoid)
+ {
+ /* Exclude LO1 FracN */
+ MT2063_AddExclZone(pAS_Info, center-pAS_Info->f_LO1_FracN_Avoid, center-1);
+ MT2063_AddExclZone(pAS_Info, center+1, center+pAS_Info->f_LO1_FracN_Avoid);
+ center += pAS_Info->f_ref;
+ }
+
+ center = pAS_Info->f_ref * ((pAS_Info->f_if1_Center - pAS_Info->f_if1_bw/2 - pAS_Info->f_out) / pAS_Info->f_ref) + pAS_Info->f_out;
+ while (center < pAS_Info->f_if1_Center + pAS_Info->f_if1_bw/2 + pAS_Info->f_LO2_FracN_Avoid)
+ {
+ /* Exclude LO2 FracN */
+ MT2063_AddExclZone(pAS_Info, center-pAS_Info->f_LO2_FracN_Avoid, center-1);
+ MT2063_AddExclZone(pAS_Info, center+1, center+pAS_Info->f_LO2_FracN_Avoid);
+ center += pAS_Info->f_ref;
+ }
+
+ if( MT2063_EXCLUDE_US_DECT_FREQUENCIES(pAS_Info->avoidDECT) )
+ {
+ /* Exclude LO1 values that conflict with DECT channels */
+ MT2063_AddExclZone(pAS_Info, 1920836000 - pAS_Info->f_in, 1922236000 - pAS_Info->f_in); /* Ctr = 1921.536 */
+ MT2063_AddExclZone(pAS_Info, 1922564000 - pAS_Info->f_in, 1923964000 - pAS_Info->f_in); /* Ctr = 1923.264 */
+ MT2063_AddExclZone(pAS_Info, 1924292000 - pAS_Info->f_in, 1925692000 - pAS_Info->f_in); /* Ctr = 1924.992 */
+ MT2063_AddExclZone(pAS_Info, 1926020000 - pAS_Info->f_in, 1927420000 - pAS_Info->f_in); /* Ctr = 1926.720 */
+ MT2063_AddExclZone(pAS_Info, 1927748000 - pAS_Info->f_in, 1929148000 - pAS_Info->f_in); /* Ctr = 1928.448 */
+ }
+
+ if( MT2063_EXCLUDE_EURO_DECT_FREQUENCIES(pAS_Info->avoidDECT) )
+ {
+ MT2063_AddExclZone(pAS_Info, 1896644000 - pAS_Info->f_in, 1898044000 - pAS_Info->f_in); /* Ctr = 1897.344 */
+ MT2063_AddExclZone(pAS_Info, 1894916000 - pAS_Info->f_in, 1896316000 - pAS_Info->f_in); /* Ctr = 1895.616 */
+ MT2063_AddExclZone(pAS_Info, 1893188000 - pAS_Info->f_in, 1894588000 - pAS_Info->f_in); /* Ctr = 1893.888 */
+ MT2063_AddExclZone(pAS_Info, 1891460000 - pAS_Info->f_in, 1892860000 - pAS_Info->f_in); /* Ctr = 1892.16 */
+ MT2063_AddExclZone(pAS_Info, 1889732000 - pAS_Info->f_in, 1891132000 - pAS_Info->f_in); /* Ctr = 1890.432 */
+ MT2063_AddExclZone(pAS_Info, 1888004000 - pAS_Info->f_in, 1889404000 - pAS_Info->f_in); /* Ctr = 1888.704 */
+ MT2063_AddExclZone(pAS_Info, 1886276000 - pAS_Info->f_in, 1887676000 - pAS_Info->f_in); /* Ctr = 1886.976 */
+ MT2063_AddExclZone(pAS_Info, 1884548000 - pAS_Info->f_in, 1885948000 - pAS_Info->f_in); /* Ctr = 1885.248 */
+ MT2063_AddExclZone(pAS_Info, 1882820000 - pAS_Info->f_in, 1884220000 - pAS_Info->f_in); /* Ctr = 1883.52 */
+ MT2063_AddExclZone(pAS_Info, 1881092000 - pAS_Info->f_in, 1882492000 - pAS_Info->f_in); /* Ctr = 1881.792 */
+ }
+
+#if MT2063_TUNER_CNT > 1
+ /*
+ ** Iterate through all adjacent tuners and exclude frequencies related to them
+ */
+ for (index = 0; index < TunerCount; ++index)
+ {
+ adj = TunerList[index];
+ if (pAS_Info == adj) /* skip over our own data, don't process it */
+ continue;
+
+ /*
+ ** Add 1st IF exclusion zone covering adjacent tuner's LO2
+ ** at "adjfLO2 + f_out" +/- m_MinLOSpacing
+ */
+ if (adj->f_LO2 != 0)
+ MT2063_AddExclZone(pAS_Info,
+ (adj->f_LO2 + pAS_Info->f_out) - pAS_Info->f_min_LO_Separation,
+ (adj->f_LO2 + pAS_Info->f_out) + pAS_Info->f_min_LO_Separation );
+
+ /*
+ ** Add 1st IF exclusion zone covering adjacent tuner's LO1
+ ** at "adjfLO1 - f_in" +/- m_MinLOSpacing
+ */
+ if (adj->f_LO1 != 0)
+ MT2063_AddExclZone(pAS_Info,
+ (adj->f_LO1 - pAS_Info->f_in) - pAS_Info->f_min_LO_Separation,
+ (adj->f_LO1 - pAS_Info->f_in) + pAS_Info->f_min_LO_Separation );
+ }
+#endif
+}
+
+
+static struct MT2063_ExclZone_t* InsertNode(struct MT2063_AvoidSpursData_t* pAS_Info,
+ struct MT2063_ExclZone_t* pPrevNode)
+{
+ struct MT2063_ExclZone_t* pNode;
+ /* Check for a node in the free list */
+ if (pAS_Info->freeZones != NULL)
+ {
+ /* Use one from the free list */
+ pNode = pAS_Info->freeZones;
+ pAS_Info->freeZones = pNode->next_;
+ }
+ else
+ {
+ /* Grab a node from the array */
+ pNode = &pAS_Info->MT2063_ExclZones[pAS_Info->nZones];
+ }
+
+ if (pPrevNode != NULL)
+ {
+ pNode->next_ = pPrevNode->next_;
+ pPrevNode->next_ = pNode;
+ }
+ else /* insert at the beginning of the list */
+ {
+ pNode->next_ = pAS_Info->usedZones;
+ pAS_Info->usedZones = pNode;
+ }
+
+ pAS_Info->nZones++;
+ return pNode;
+}
+
+
+static struct MT2063_ExclZone_t* RemoveNode(struct MT2063_AvoidSpursData_t* pAS_Info,
+ struct MT2063_ExclZone_t* pPrevNode,
+ struct MT2063_ExclZone_t* pNodeToRemove)
+{
+ struct MT2063_ExclZone_t* pNext = pNodeToRemove->next_;
+
+ /* Make previous node point to the subsequent node */
+ if (pPrevNode != NULL)
+ pPrevNode->next_ = pNext;
+
+ /* Add pNodeToRemove to the beginning of the freeZones */
+ pNodeToRemove->next_ = pAS_Info->freeZones;
+ pAS_Info->freeZones = pNodeToRemove;
+
+ /* Decrement node count */
+ pAS_Info->nZones--;
+
+ return pNext;
+}
+
+
+/*****************************************************************************
+**
+** Name: MT_AddExclZone
+**
+** Description: Add (and merge) an exclusion zone into the list.
+** If the range (f_min, f_max) is totally outside the
+** 1st IF BW, ignore the entry.
+** If the range (f_min, f_max) is negative, ignore the entry.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 103 01-31-2005 DAD Ver 1.14: In MT_AddExclZone(), if the range
+** (f_min, f_max) < 0, ignore the entry.
+**
+*****************************************************************************/
+void MT2063_AddExclZone(struct MT2063_AvoidSpursData_t* pAS_Info,
+ UData_t f_min,
+ UData_t f_max)
+{
+ struct MT2063_ExclZone_t* pNode = pAS_Info->usedZones;
+ struct MT2063_ExclZone_t* pPrev = NULL;
+ struct MT2063_ExclZone_t* pNext = NULL;
+
+ /* Check to see if this overlaps the 1st IF filter */
+ if ((f_max > (pAS_Info->f_if1_Center - (pAS_Info->f_if1_bw / 2)))
+ && (f_min < (pAS_Info->f_if1_Center + (pAS_Info->f_if1_bw / 2)))
+ && (f_min < f_max))
+ {
+ /*
+ ** 1 2 3 4 5 6
+ **
+ ** New entry: |---| |--| |--| |-| |---| |--|
+ ** or or or or or
+ ** Existing: |--| |--| |--| |---| |-| |--|
+ */
+
+ /* Check for our place in the list */
+ while ((pNode != NULL) && (pNode->max_ < f_min))
+ {
+ pPrev = pNode;
+ pNode = pNode->next_;
+ }
+
+ if ((pNode != NULL) && (pNode->min_ < f_max))
+ {
+ /* Combine me with pNode */
+ if (f_min < pNode->min_)
+ pNode->min_ = f_min;
+ if (f_max > pNode->max_)
+ pNode->max_ = f_max;
+ }
+ else
+ {
+ pNode = InsertNode(pAS_Info, pPrev);
+ pNode->min_ = f_min;
+ pNode->max_ = f_max;
+ }
+
+ /* Look for merging possibilities */
+ pNext = pNode->next_;
+ while ((pNext != NULL) && (pNext->min_ < pNode->max_))
+ {
+ if (pNext->max_ > pNode->max_)
+ pNode->max_ = pNext->max_;
+ pNext = RemoveNode(pAS_Info, pNode, pNext); /* Remove pNext, return ptr to pNext->next */
+ }
+ }
+}
+
+
+/*****************************************************************************
+**
+** Name: MT_ChooseFirstIF
+**
+** Description: Choose the best available 1st IF
+** If f_Desired is not excluded, choose that first.
+** Otherwise, return the value closest to f_Center that is
+** not excluded
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 117 03-29-2007 RSK Ver 1.15: Re-wrote to match search order from
+** tuner DLL.
+** 147 07-27-2007 RSK Ver 1.17: Corrected calculation (-) to (+)
+** Added logic to force f_Center within 1/2 f_Step.
+**
+*****************************************************************************/
+UData_t MT2063_ChooseFirstIF(struct MT2063_AvoidSpursData_t* pAS_Info)
+{
+ /*
+ ** Update "f_Desired" to be the nearest "combinational-multiple" of "f_LO1_Step".
+ ** The resulting number, F_LO1 must be a multiple of f_LO1_Step. And F_LO1 is the arithmetic sum
+ ** of f_in + f_Center. Neither f_in, nor f_Center must be a multiple of f_LO1_Step.
+ ** However, the sum must be.
+ */
+ const UData_t f_Desired = pAS_Info->f_LO1_Step * ((pAS_Info->f_if1_Request + pAS_Info->f_in + pAS_Info->f_LO1_Step/2) / pAS_Info->f_LO1_Step) - pAS_Info->f_in;
+ const UData_t f_Step = (pAS_Info->f_LO1_Step > pAS_Info->f_LO2_Step) ? pAS_Info->f_LO1_Step : pAS_Info->f_LO2_Step;
+ UData_t f_Center;
+
+ SData_t i;
+ SData_t j = 0;
+ UData_t bDesiredExcluded = 0;
+ UData_t bZeroExcluded = 0;
+ SData_t tmpMin, tmpMax;
+ SData_t bestDiff;
+ struct MT2063_ExclZone_t* pNode = pAS_Info->usedZones;
+ struct MT2063_FIFZone_t zones[MT2063_MAX_ZONES];
+
+ if (pAS_Info->nZones == 0)
+ return f_Desired;
+
+ /* f_Center needs to be an integer multiple of f_Step away from f_Desired */
+ if (pAS_Info->f_if1_Center > f_Desired)
+ f_Center = f_Desired + f_Step * ((pAS_Info->f_if1_Center - f_Desired + f_Step/2) / f_Step);
+ else
+ f_Center = f_Desired - f_Step * ((f_Desired - pAS_Info->f_if1_Center + f_Step/2) / f_Step);
+
+ //assert;
+ //if (!abs((SData_t) f_Center - (SData_t) pAS_Info->f_if1_Center) <= (SData_t) (f_Step/2))
+ // return 0;
+
+ /* Take MT_ExclZones, center around f_Center and change the resolution to f_Step */
+ while (pNode != NULL)
+ {
+ /* floor function */
+ tmpMin = floor((SData_t) (pNode->min_ - f_Center), (SData_t) f_Step);
+
+ /* ceil function */
+ tmpMax = ceil((SData_t) (pNode->max_ - f_Center), (SData_t) f_Step);
+
+ if ((pNode->min_ < f_Desired) && (pNode->max_ > f_Desired))
+ bDesiredExcluded = 1;
+
+ if ((tmpMin < 0) && (tmpMax > 0))
+ bZeroExcluded = 1;
+
+ /* See if this zone overlaps the previous */
+ if ((j>0) && (tmpMin < zones[j-1].max_))
+ zones[j-1].max_ = tmpMax;
+ else
+ {
+ /* Add new zone */
+ //assert(j<MT2063_MAX_ZONES);
+ //if (j>=MT2063_MAX_ZONES)
+ //break;
+
+ zones[j].min_ = tmpMin;
+ zones[j].max_ = tmpMax;
+ j++;
+ }
+ pNode = pNode->next_;
+ }
+
+ /*
+ ** If the desired is okay, return with it
+ */
+ if (bDesiredExcluded == 0)
+ return f_Desired;
+
+ /*
+ ** If the desired is excluded and the center is okay, return with it
+ */
+ if (bZeroExcluded == 0)
+ return f_Center;
+
+ /* Find the value closest to 0 (f_Center) */
+ bestDiff = zones[0].min_;
+ for (i=0; i<j; i++)
+ {
+ if (abs(zones[i].min_) < abs(bestDiff)) bestDiff = zones[i].min_;
+ if (abs(zones[i].max_) < abs(bestDiff)) bestDiff = zones[i].max_;
+ }
+
+
+ if (bestDiff < 0)
+ return f_Center - ((UData_t) (-bestDiff) * f_Step);
+
+ return f_Center + (bestDiff * f_Step);
+}
+
+
+/****************************************************************************
+**
+** Name: gcd
+**
+** Description: Uses Euclid's algorithm
+**
+** Parameters: u, v - unsigned values whose GCD is desired.
+**
+** Global: None
+**
+** Returns: greatest common divisor of u and v, if either value
+** is 0, the other value is returned as the result.
+**
+** Dependencies: None.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 06-01-2004 JWS Original
+** N/A 08-03-2004 DAD Changed to Euclid's since it can handle
+** unsigned numbers.
+**
+****************************************************************************/
+static UData_t MT2063_gcd(UData_t u, UData_t v)
+{
+ UData_t r;
+
+ while (v != 0)
+ {
+ r = u % v;
+ u = v;
+ v = r;
+ }
+
+ return u;
+}
+
+/****************************************************************************
+**
+** Name: umax
+**
+** Description: Implements a simple maximum function for unsigned numbers.
+** Implemented as a function rather than a macro to avoid
+** multiple evaluation of the calling parameters.
+**
+** Parameters: a, b - Values to be compared
+**
+** Global: None
+**
+** Returns: larger of the input values.
+**
+** Dependencies: None.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 06-02-2004 JWS Original
+**
+****************************************************************************/
+static UData_t MT2063_umax(UData_t a, UData_t b)
+{
+ return (a >= b) ? a : b;
+}
+
+#if MT2063_TUNER_CNT > 1
+static SData_t RoundAwayFromZero(SData_t n, SData_t d)
+{
+ return (n<0) ? floor(n, d) : ceil(n, d);
+}
+
+/****************************************************************************
+**
+** Name: IsSpurInAdjTunerBand
+**
+** Description: Checks to see if a spur will be present within the IF's
+** bandwidth or near the zero IF.
+** (fIFOut +/- fIFBW/2, -fIFOut +/- fIFBW/2)
+** and
+** (0 +/- fZIFBW/2)
+**
+** ma mb me mf mc md
+** <--+-+-+-----------------+-+-+-----------------+-+-+-->
+** | ^ 0 ^ |
+** ^ b=-fIFOut+fIFBW/2 -b=+fIFOut-fIFBW/2 ^
+** a=-fIFOut-fIFBW/2 -a=+fIFOut+fIFBW/2
+**
+** Note that some equations are doubled to prevent round-off
+** problems when calculating fIFBW/2
+**
+** The spur frequencies are computed as:
+**
+** fSpur = n * f1 - m * f2 - fOffset
+**
+** Parameters: f1 - The 1st local oscillator (LO) frequency
+** of the tuner whose output we are examining
+** f2 - The 1st local oscillator (LO) frequency
+** of the adjacent tuner
+** fOffset - The 2nd local oscillator of the tuner whose
+** output we are examining
+** fIFOut - Output IF center frequency
+** fIFBW - Output IF Bandwidth
+** nMaxH - max # of LO harmonics to search
+** fp - If spur, positive distance to spur-free band edge (returned)
+** fm - If spur, negative distance to spur-free band edge (returned)
+**
+** Returns: 1 if an LO spur would be present, otherwise 0.
+**
+** Dependencies: None.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 01-21-2005 JWS Original, adapted from MT_DoubleConversion.
+** 115 03-23-2007 DAD Fix declaration of spur due to truncation
+** errors.
+** 137 06-18-2007 DAD Ver 1.16: Fix possible divide-by-0 error for
+** multi-tuners that have
+** (delta IF1) > (f_out-f_outbw/2).
+** 177 S 02-26-2008 RSK Ver 1.18: Corrected calculation using LO1 > MAX/2
+** Type casts added to preserve correct sign.
+**
+****************************************************************************/
+static UData_t IsSpurInAdjTunerBand(UData_t bIsMyOutput,
+ UData_t f1,
+ UData_t f2,
+ UData_t fOffset,
+ UData_t fIFOut,
+ UData_t fIFBW,
+ UData_t fZIFBW,
+ UData_t nMaxH,
+ UData_t *fp,
+ UData_t *fm)
+{
+ UData_t bSpurFound = 0;
+
+ const UData_t fHalf_IFBW = fIFBW / 2;
+ const UData_t fHalf_ZIFBW = fZIFBW / 2;
+
+ /* Calculate a scale factor for all frequencies, so that our
+ calculations all stay within 31 bits */
+ const UData_t f_Scale = ((f1 + (fOffset + fIFOut + fHalf_IFBW) / nMaxH) / (MAX_UDATA/2 / nMaxH)) + 1;
+
+ /*
+ ** After this scaling, _f1, _f2, and _f3 are guaranteed to fit into
+ ** signed data types (smaller than MAX_UDATA/2)
+ */
+ const SData_t _f1 = (SData_t) ( f1 / f_Scale);
+ const SData_t _f2 = (SData_t) ( f2 / f_Scale);
+ const SData_t _f3 = (SData_t) (fOffset / f_Scale);
+
+ const SData_t c = (SData_t) (fIFOut - fHalf_IFBW) / (SData_t) f_Scale;
+ const SData_t d = (SData_t) ((fIFOut + fHalf_IFBW) / f_Scale);
+ const SData_t f = (SData_t) (fHalf_ZIFBW / f_Scale);
+
+ SData_t ma, mb, mc, md, me, mf;
+
+ SData_t fp_ = 0;
+ SData_t fm_ = 0;
+ SData_t n;
+
+
+ /*
+ ** If the other tuner does not have an LO frequency defined,
+ ** assume that we cannot interfere with it
+ */
+ if (f2 == 0)
+ return 0;
+
+
+ /* Check out all multiples of f1 from -nMaxH to +nMaxH */
+ for (n = -(SData_t)nMaxH; n <= (SData_t)nMaxH; ++n)
+ {
+ const SData_t nf1 = n*_f1;
+ md = (_f3 + d - nf1) / _f2;
+
+ /* If # f2 harmonics > nMaxH, then no spurs present */
+ if (md <= -(SData_t) nMaxH )
+ break;
+
+ ma = (_f3 - d - nf1) / _f2;
+ if ((ma == md) || (ma >= (SData_t) (nMaxH)))
+ continue;
+
+ mc = (_f3 + c - nf1) / _f2;
+ if (mc != md)
+ {
+ const SData_t m = (n<0) ? md : mc;
+ const SData_t fspur = (nf1 + m*_f2 - _f3);
+ const SData_t den = (bIsMyOutput ? n - 1 : n);
+ if (den == 0)
+ {
+ fp_ = (d - fspur)* f_Scale;
+ fm_ = (fspur - c)* f_Scale;
+ }
+ else
+ {
+ fp_ = (SData_t) RoundAwayFromZero((d - fspur)* f_Scale, den);
+ fm_ = (SData_t) RoundAwayFromZero((fspur - c)* f_Scale, den);
+ }
+ if (((UData_t)abs(fm_) >= f_Scale) && ((UData_t)abs(fp_) >= f_Scale))
+ {
+ bSpurFound = 1;
+ break;
+ }
+ }
+
+ /* Location of Zero-IF-spur to be checked */
+ mf = (_f3 + f - nf1) / _f2;
+ me = (_f3 - f - nf1) / _f2;
+ if (me != mf)
+ {
+ const SData_t m = (n<0) ? mf : me;
+ const SData_t fspur = (nf1 + m*_f2 - _f3);
+ const SData_t den = (bIsMyOutput ? n - 1 : n);
+ if (den == 0)
+ {
+ fp_ = (d - fspur)* f_Scale;
+ fm_ = (fspur - c)* f_Scale;
+ }
+ else
+ {
+ fp_ = (SData_t) RoundAwayFromZero((f - fspur)* f_Scale, den);
+ fm_ = (SData_t) RoundAwayFromZero((fspur + f)* f_Scale, den);
+ }
+ if (((UData_t)abs(fm_) >= f_Scale) && ((UData_t)abs(fp_) >= f_Scale))
+ {
+ bSpurFound = 1;
+ break;
+ }
+ }
+
+ mb = (_f3 - c - nf1) / _f2;
+ if (ma != mb)
+ {
+ const SData_t m = (n<0) ? mb : ma;
+ const SData_t fspur = (nf1 + m*_f2 - _f3);
+ const SData_t den = (bIsMyOutput ? n - 1 : n);
+ if (den == 0)
+ {
+ fp_ = (d - fspur)* f_Scale;
+ fm_ = (fspur - c)* f_Scale;
+ }
+ else
+ {
+ fp_ = (SData_t) RoundAwayFromZero((-c - fspur)* f_Scale, den);
+ fm_ = (SData_t) RoundAwayFromZero((fspur +d)* f_Scale, den);
+ }
+ if (((UData_t)abs(fm_) >= f_Scale) && ((UData_t)abs(fp_) >= f_Scale))
+ {
+ bSpurFound = 1;
+ break;
+ }
+ }
+ }
+
+ /*
+ ** Verify that fm & fp are both positive
+ ** Add one to ensure next 1st IF choice is not right on the edge
+ */
+ if (fp_ < 0)
+ {
+ *fp = -fm_ + 1;
+ *fm = -fp_ + 1;
+ }
+ else if (fp_ > 0)
+ {
+ *fp = fp_ + 1;
+ *fm = fm_ + 1;
+ }
+ else
+ {
+ *fp = 1;
+ *fm = abs(fm_) + 1;
+ }
+
+ return bSpurFound;
+}
+#endif
+
+/****************************************************************************
+**
+** Name: IsSpurInBand
+**
+** Description: Checks to see if a spur will be present within the IF's
+** bandwidth. (fIFOut +/- fIFBW, -fIFOut +/- fIFBW)
+**
+** ma mb mc md
+** <--+-+-+-------------------+-------------------+-+-+-->
+** | ^ 0 ^ |
+** ^ b=-fIFOut+fIFBW/2 -b=+fIFOut-fIFBW/2 ^
+** a=-fIFOut-fIFBW/2 -a=+fIFOut+fIFBW/2
+**
+** Note that some equations are doubled to prevent round-off
+** problems when calculating fIFBW/2
+**
+** Parameters: pAS_Info - Avoid Spurs information block
+** fm - If spur, amount f_IF1 has to move negative
+** fp - If spur, amount f_IF1 has to move positive
+**
+** Global: None
+**
+** Returns: 1 if an LO spur would be present, otherwise 0.
+**
+** Dependencies: None.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** N/A 11-28-2002 DAD Implemented algorithm from applied patent
+**
+****************************************************************************/
+static UData_t IsSpurInBand(struct MT2063_AvoidSpursData_t* pAS_Info,
+ UData_t* fm,
+ UData_t* fp)
+{
+ /*
+ ** Calculate LO frequency settings.
+ */
+ UData_t n, n0;
+ const UData_t f_LO1 = pAS_Info->f_LO1;
+ const UData_t f_LO2 = pAS_Info->f_LO2;
+ const UData_t d = pAS_Info->f_out + pAS_Info->f_out_bw/2;
+ const UData_t c = d - pAS_Info->f_out_bw;
+ const UData_t f = pAS_Info->f_zif_bw/2;
+ const UData_t f_Scale = (f_LO1 / (MAX_UDATA/2 / pAS_Info->maxH1)) + 1;
+ SData_t f_nsLO1, f_nsLO2;
+ SData_t f_Spur;
+ UData_t ma, mb, mc, md, me, mf;
+ UData_t lo_gcd, gd_Scale, gc_Scale, gf_Scale, hgds, hgfs, hgcs;
+#if MT2063_TUNER_CNT > 1
+ UData_t index;
+
+ struct MT2063_AvoidSpursData_t *adj;
+#endif
+ *fm = 0;
+
+ /*
+ ** For each edge (d, c & f), calculate a scale, based on the gcd
+ ** of f_LO1, f_LO2 and the edge value. Use the larger of this
+ ** gcd-based scale factor or f_Scale.
+ */
+ lo_gcd = MT2063_gcd(f_LO1, f_LO2);
+ gd_Scale = MT2063_umax((UData_t) MT2063_gcd(lo_gcd, d), f_Scale);
+ hgds = gd_Scale/2;
+ gc_Scale = MT2063_umax((UData_t) MT2063_gcd(lo_gcd, c), f_Scale);
+ hgcs = gc_Scale/2;
+ gf_Scale = MT2063_umax((UData_t) MT2063_gcd(lo_gcd, f), f_Scale);
+ hgfs = gf_Scale/2;
+
+ n0 = uceil(f_LO2 - d, f_LO1 - f_LO2);
+
+ /* Check out all multiples of LO1 from n0 to m_maxLOSpurHarmonic */
+ for (n=n0; n<=pAS_Info->maxH1; ++n)
+ {
+ md = (n*((f_LO1+hgds)/gd_Scale) - ((d+hgds)/gd_Scale)) / ((f_LO2+hgds)/gd_Scale);
+
+ /* If # fLO2 harmonics > m_maxLOSpurHarmonic, then no spurs present */
+ if (md >= pAS_Info->maxH1)
+ break;
+
+ ma = (n*((f_LO1+hgds)/gd_Scale) + ((d+hgds)/gd_Scale)) / ((f_LO2+hgds)/gd_Scale);
+
+ /* If no spurs between +/- (f_out + f_IFBW/2), then try next harmonic */
+ if (md == ma)
+ continue;
+
+ mc = (n*((f_LO1+hgcs)/gc_Scale) - ((c+hgcs)/gc_Scale)) / ((f_LO2+hgcs)/gc_Scale);
+ if (mc != md)
+ {
+ f_nsLO1 = (SData_t) (n*(f_LO1/gc_Scale));
+ f_nsLO2 = (SData_t) (mc*(f_LO2/gc_Scale));
+ f_Spur = (gc_Scale * (f_nsLO1 - f_nsLO2)) + n*(f_LO1 % gc_Scale) - mc*(f_LO2 % gc_Scale);
+
+ *fp = ((f_Spur - (SData_t) c) / (mc - n)) + 1;
+ *fm = (((SData_t) d - f_Spur) / (mc - n)) + 1;
+ return 1;
+ }
+
+ /* Location of Zero-IF-spur to be checked */
+ me = (n*((f_LO1+hgfs)/gf_Scale) + ((f+hgfs)/gf_Scale)) / ((f_LO2+hgfs)/gf_Scale);
+ mf = (n*((f_LO1+hgfs)/gf_Scale) - ((f+hgfs)/gf_Scale)) / ((f_LO2+hgfs)/gf_Scale);
+ if (me != mf)
+ {
+ f_nsLO1 = n*(f_LO1/gf_Scale);
+ f_nsLO2 = me*(f_LO2/gf_Scale);
+ f_Spur = (gf_Scale * (f_nsLO1 - f_nsLO2)) + n*(f_LO1 % gf_Scale) - me*(f_LO2 % gf_Scale);
+
+ *fp = ((f_Spur + (SData_t) f) / (me - n)) + 1;
+ *fm = (((SData_t) f - f_Spur) / (me - n)) + 1;
+ return 1;
+ }
+
+ mb = (n*((f_LO1+hgcs)/gc_Scale) + ((c+hgcs)/gc_Scale)) / ((f_LO2+hgcs)/gc_Scale);
+ if (ma != mb)
+ {
+ f_nsLO1 = n*(f_LO1/gc_Scale);
+ f_nsLO2 = ma*(f_LO2/gc_Scale);
+ f_Spur = (gc_Scale * (f_nsLO1 - f_nsLO2)) + n*(f_LO1 % gc_Scale) - ma*(f_LO2 % gc_Scale);
+
+ *fp = (((SData_t) d + f_Spur) / (ma - n)) + 1;
+ *fm = (-(f_Spur + (SData_t) c) / (ma - n)) + 1;
+ return 1;
+ }
+ }
+
+#if MT2063_TUNER_CNT > 1
+ /* If no spur found, see if there are more tuners on the same board */
+ for (index = 0; index < TunerCount; ++index)
+ {
+ adj = TunerList[index];
+ if (pAS_Info == adj) /* skip over our own data, don't process it */
+ continue;
+
+ /* Look for LO-related spurs from the adjacent tuner generated into my IF output */
+ if (IsSpurInAdjTunerBand(1, /* check my IF output */
+ pAS_Info->f_LO1, /* my fLO1 */
+ adj->f_LO1, /* the other tuner's fLO1 */
+ pAS_Info->f_LO2, /* my fLO2 */
+ pAS_Info->f_out, /* my fOut */
+ pAS_Info->f_out_bw, /* my output IF bandwidth */
+ pAS_Info->f_zif_bw, /* my Zero-IF bandwidth */
+ pAS_Info->maxH2,
+ fp, /* minimum amount to move LO's positive */
+ fm)) /* miminum amount to move LO's negative */
+ return 1;
+ /* Look for LO-related spurs from my tuner generated into the adjacent tuner's IF output */
+ if (IsSpurInAdjTunerBand(0, /* check his IF output */
+ pAS_Info->f_LO1, /* my fLO1 */
+ adj->f_LO1, /* the other tuner's fLO1 */
+ adj->f_LO2, /* the other tuner's fLO2 */
+ adj->f_out, /* the other tuner's fOut */
+ adj->f_out_bw, /* the other tuner's output IF bandwidth */
+ pAS_Info->f_zif_bw, /* the other tuner's Zero-IF bandwidth */
+ adj->maxH2,
+ fp, /* minimum amount to move LO's positive */
+ fm)) /* miminum amount to move LO's negative */
+ return 1;
+ }
+#endif
+ /* No spurs found */
+ return 0;
+}
+
+
+/*****************************************************************************
+**
+** Name: MT_AvoidSpurs
+**
+** Description: Main entry point to avoid spurs.
+** Checks for existing spurs in present LO1, LO2 freqs
+** and if present, chooses spur-free LO1, LO2 combination
+** that tunes the same input/output frequencies.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 096 04-06-2005 DAD Ver 1.11: Fix divide by 0 error if maxH==0.
+**
+*****************************************************************************/
+UData_t MT2063_AvoidSpurs(Handle_t h,
+ struct MT2063_AvoidSpursData_t* pAS_Info)
+{
+ UData_t status = MT2063_OK;
+ UData_t fm, fp; /* restricted range on LO's */
+ pAS_Info->bSpurAvoided = 0;
+ pAS_Info->nSpursFound = 0;
+
+ if (pAS_Info->maxH1 == 0)
+ return MT2063_OK;
+
+ /*
+ ** Avoid LO Generated Spurs
+ **
+ ** Make sure that have no LO-related spurs within the IF output
+ ** bandwidth.
+ **
+ ** If there is an LO spur in this band, start at the current IF1 frequency
+ ** and work out until we find a spur-free frequency or run up against the
+ ** 1st IF SAW band edge. Use temporary copies of fLO1 and fLO2 so that they
+ ** will be unchanged if a spur-free setting is not found.
+ */
+ pAS_Info->bSpurPresent = IsSpurInBand(pAS_Info, &fm, &fp);
+ if (pAS_Info->bSpurPresent)
+ {
+ UData_t zfIF1 = pAS_Info->f_LO1 - pAS_Info->f_in; /* current attempt at a 1st IF */
+ UData_t zfLO1 = pAS_Info->f_LO1; /* current attempt at an LO1 freq */
+ UData_t zfLO2 = pAS_Info->f_LO2; /* current attempt at an LO2 freq */
+ UData_t delta_IF1;
+ UData_t new_IF1;
+
+ /*
+ ** Spur was found, attempt to find a spur-free 1st IF
+ */
+ do
+ {
+ pAS_Info->nSpursFound++;
+
+ /* Raise f_IF1_upper, if needed */
+ MT2063_AddExclZone(pAS_Info, zfIF1 - fm, zfIF1 + fp);
+
+ /* Choose next IF1 that is closest to f_IF1_CENTER */
+ new_IF1 = MT2063_ChooseFirstIF(pAS_Info);
+
+ if (new_IF1 > zfIF1)
+ {
+ pAS_Info->f_LO1 += (new_IF1 - zfIF1);
+ pAS_Info->f_LO2 += (new_IF1 - zfIF1);
+ }
+ else
+ {
+ pAS_Info->f_LO1 -= (zfIF1 - new_IF1);
+ pAS_Info->f_LO2 -= (zfIF1 - new_IF1);
+ }
+ zfIF1 = new_IF1;
+
+ if (zfIF1 > pAS_Info->f_if1_Center)
+ delta_IF1 = zfIF1 - pAS_Info->f_if1_Center;
+ else
+ delta_IF1 = pAS_Info->f_if1_Center - zfIF1;
+ }
+ /*
+ ** Continue while the new 1st IF is still within the 1st IF bandwidth
+ ** and there is a spur in the band (again)
+ */
+ while ((2*delta_IF1 + pAS_Info->f_out_bw <= pAS_Info->f_if1_bw) &&
+ (pAS_Info->bSpurPresent = IsSpurInBand(pAS_Info, &fm, &fp)));
+
+ /*
+ ** Use the LO-spur free values found. If the search went all the way to
+ ** the 1st IF band edge and always found spurs, just leave the original
+ ** choice. It's as "good" as any other.
+ */
+ if (pAS_Info->bSpurPresent == 1)
+ {
+ status |= MT2063_SPUR_PRESENT_ERR;
+ pAS_Info->f_LO1 = zfLO1;
+ pAS_Info->f_LO2 = zfLO2;
+ }
+ else
+ pAS_Info->bSpurAvoided = 1;
+ }
+
+ status |= ((pAS_Info->nSpursFound << MT2063_SPUR_SHIFT) & MT2063_SPUR_CNT_MASK);
+
+ return (status);
+}
+
+
+UData_t MT2063_AvoidSpursVersion(void)
+{
+ return (MT2063_SPUR_VERSION);
+}
+//end of mt2063_spuravoid.c
+//=================================================================
+//#################################################################
+//=================================================================
+
+
+/*
+** The expected version of MT_AvoidSpursData_t
+** If the version is different, an updated file is needed from Microtune
+*/
+/* Expecting version 1.21 of the Spur Avoidance API */
+#define EXPECTED_MT2063_AVOID_SPURS_INFO_VERSION 010201
+
+#if MT2063_AVOID_SPURS_INFO_VERSION < EXPECTED_MT2063_AVOID_SPURS_INFO_VERSION
+#error Contact Microtune for a newer version of MT_SpurAvoid.c
+#elif MT2063_AVOID_SPURS_INFO_VERSION > EXPECTED_MT2063_AVOID_SPURS_INFO_VERSION
+#error Contact Microtune for a newer version of mt2063.c
+#endif
+
+#ifndef MT2063_CNT
+#error You must define MT2063_CNT in the "mt_userdef.h" file
+#endif
+
+
+typedef enum
+{
+ MT2063_SET_ATTEN,
+ MT2063_INCR_ATTEN,
+ MT2063_DECR_ATTEN
+} MT2063_ATTEN_CNTL_MODE;
+
+
+//#define TUNER_MT2063_OPTIMIZATION
+/*
+** Constants used by the tuning algorithm
+*/
+#define MT2063_REF_FREQ (16000000UL) /* Reference oscillator Frequency (in Hz) */
+#define MT2063_IF1_BW (22000000UL) /* The IF1 filter bandwidth (in Hz) */
+#define MT2063_TUNE_STEP_SIZE (50000UL) /* Tune in steps of 50 kHz */
+#define MT2063_SPUR_STEP_HZ (250000UL) /* Step size (in Hz) to move IF1 when avoiding spurs */
+#define MT2063_ZIF_BW (2000000UL) /* Zero-IF spur-free bandwidth (in Hz) */
+#define MT2063_MAX_HARMONICS_1 (15UL) /* Highest intra-tuner LO Spur Harmonic to be avoided */
+#define MT2063_MAX_HARMONICS_2 (5UL) /* Highest inter-tuner LO Spur Harmonic to be avoided */
+#define MT2063_MIN_LO_SEP (1000000UL) /* Minimum inter-tuner LO frequency separation */
+#define MT2063_LO1_FRACN_AVOID (0UL) /* LO1 FracN numerator avoid region (in Hz) */
+#define MT2063_LO2_FRACN_AVOID (199999UL) /* LO2 FracN numerator avoid region (in Hz) */
+#define MT2063_MIN_FIN_FREQ (44000000UL) /* Minimum input frequency (in Hz) */
+#define MT2063_MAX_FIN_FREQ (1100000000UL) /* Maximum input frequency (in Hz) */
+#define MT2063_MIN_FOUT_FREQ (36000000UL) /* Minimum output frequency (in Hz) */
+#define MT2063_MAX_FOUT_FREQ (57000000UL) /* Maximum output frequency (in Hz) */
+#define MT2063_MIN_DNC_FREQ (1293000000UL) /* Minimum LO2 frequency (in Hz) */
+#define MT2063_MAX_DNC_FREQ (1614000000UL) /* Maximum LO2 frequency (in Hz) */
+#define MT2063_MIN_UPC_FREQ (1396000000UL) /* Minimum LO1 frequency (in Hz) */
+#define MT2063_MAX_UPC_FREQ (2750000000UL) /* Maximum LO1 frequency (in Hz) */
+
+
+/*
+** Define the supported Part/Rev codes for the MT2063
+*/
+#define MT2063_B0 (0x9B)
+#define MT2063_B1 (0x9C)
+#define MT2063_B2 (0x9D)
+#define MT2063_B3 (0x9E)
+
+/*
+** The number of Tuner Registers
+*/
+static const UData_t MT2063_Num_Registers = MT2063_REG_END_REGS;
+
+
+#define USE_GLOBAL_TUNER 0
+
+static UData_t nMT2063MaxTuners = MT2063_CNT;
+static struct MT2063_Info_t MT2063_Info[MT2063_CNT];
+static struct MT2063_Info_t *MT2063_Avail[MT2063_CNT];
+static UData_t nMT2063OpenTuners = 0;
+
+
+/*
+** Constants for setting receiver modes.
+** (6 modes defined at this time, enumerated by MT2063_RCVR_MODES)
+** (DNC1GC & DNC2GC are the values, which are used, when the specific
+** DNC Output is selected, the other is always off)
+**
+** If PAL-L or L' is received, set:
+** MT2063_SetParam(hMT2063,MT2063_TAGC,1);
+**
+** --------------+----------------------------------------------
+** Mode 0 : | MT2063_CABLE_QAM
+** Mode 1 : | MT2063_CABLE_ANALOG
+** Mode 2 : | MT2063_OFFAIR_COFDM
+** Mode 3 : | MT2063_OFFAIR_COFDM_SAWLESS
+** Mode 4 : | MT2063_OFFAIR_ANALOG
+** Mode 5 : | MT2063_OFFAIR_8VSB
+** --------------+----+----+----+----+-----+-----+--------------
+** Mode | 0 | 1 | 2 | 3 | 4 | 5 |
+** --------------+----+----+----+----+-----+-----+
+**
+**
+*/
+static const U8Data RFAGCEN[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data LNARIN[] = { 0, 0, 3, 3, 3, 3 };
+static const U8Data FIFFQEN[] = { 1, 1, 1, 1, 1, 1 };
+static const U8Data FIFFQ[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data DNC1GC[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data DNC2GC[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data ACLNAMAX[] = { 31, 31, 31, 31, 31, 31 };
+static const U8Data LNATGT[] = { 44, 43, 43, 43, 43, 43 };
+static const U8Data RFOVDIS[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data ACRFMAX[] = { 31, 31, 31, 31, 31, 31 };
+static const U8Data PD1TGT[] = { 36, 36, 38, 38, 36, 38 };
+static const U8Data FIFOVDIS[] = { 0, 0, 0, 0, 0, 0 };
+static const U8Data ACFIFMAX[] = { 29, 29, 29, 29, 29, 29 };
+static const U8Data PD2TGT[] = { 40, 33, 38, 42, 30, 38 };
+
+/*
+** Local Function Prototypes - not available for external access.
+*/
+
+/* Forward declaration(s): */
+static UData_t MT2063_CalcLO1Mult(UData_t *Div, UData_t *FracN, UData_t f_LO, UData_t f_LO_Step, UData_t f_Ref);
+static UData_t MT2063_CalcLO2Mult(UData_t *Div, UData_t *FracN, UData_t f_LO, UData_t f_LO_Step, UData_t f_Ref);
+static UData_t MT2063_fLO_FractionalTerm(UData_t f_ref, UData_t num, UData_t denom);
+
+
+/******************************************************************************
+**
+** Name: MT2063_Open
+**
+** Description: Initialize the tuner's register values.
+**
+** Parameters: MT2063_Addr - Serial bus address of the tuner.
+** hMT2063 - Tuner handle passed back.
+** hUserData - User-defined data, if needed for the
+** MT_ReadSub() & MT_WriteSub functions.
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_TUNER_ID_ERR - Tuner Part/Rev code mismatch
+** MT_TUNER_INIT_ERR - Tuner initialization failed
+** MT_COMM_ERR - Serial bus communications error
+** MT_ARG_NULL - Null pointer argument passed
+** MT_TUNER_CNT_ERR - Too many tuners open
+**
+** Dependencies: MT_ReadSub - Read byte(s) of data from the two-wire bus
+** MT_WriteSub - Write byte(s) of data to the two-wire bus
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+******************************************************************************/
+UData_t MT2063_Open(UData_t MT2063_Addr,
+ Handle_t* hMT2063,
+ Handle_t hUserData)
+{
+ UData_t status = MT2063_OK; /* Status to be returned. */
+ SData_t i;
+ struct MT2063_Info_t* pInfo = NULL;
+ struct dvb_frontend *fe= (struct dvb_frontend *)hUserData;
+ struct mt2063_state *state = fe->tuner_priv;
+
+ /* Check the argument before using */
+ if (hMT2063 == NULL)
+ {
+ return MT2063_ARG_NULL;
+ }
+
+ /* Default tuner handle to NULL. If successful, it will be reassigned */
+
+#if USE_GLOBAL_TUNER
+ *hMT2063 = NULL;
+
+ /*
+ ** If this is our first tuner, initialize the address fields and
+ ** the list of available control blocks.
+ */
+ if (nMT2063OpenTuners == 0)
+ {
+ for (i=MT2063_CNT-1; i>=0; i--)
+ {
+ MT2063_Info[i].handle = NULL;
+ MT2063_Info[i].address = MAX_UDATA;
+ MT2063_Info[i].rcvr_mode = MT2063_CABLE_QAM;
+ MT2063_Info[i].hUserData = NULL;
+ MT2063_Avail[i] = &MT2063_Info[i];
+ }
+ }
+
+ /*
+ ** Look for an existing MT2063_State_t entry with this address.
+ */
+ for (i=MT2063_CNT-1; i>=0; i--)
+ {
+ /*
+ ** If an open'ed handle provided, we'll re-initialize that structure.
+ **
+ ** We recognize an open tuner because the address and hUserData are
+ ** the same as one that has already been opened
+ */
+ if ((MT2063_Info[i].address == MT2063_Addr) &&
+ (MT2063_Info[i].hUserData == hUserData))
+ {
+ pInfo = &MT2063_Info[i];
+ break;
+ }
+ }
+
+ /* If not found, choose an empty spot. */
+ if (pInfo == NULL)
+ {
+ /* Check to see that we're not over-allocating */
+ if (nMT2063OpenTuners == MT2063_CNT)
+ {
+ return MT2063_TUNER_CNT_ERR;
+ }
+ /* Use the next available block from the list */
+ pInfo = MT2063_Avail[nMT2063OpenTuners];
+ nMT2063OpenTuners++;
+ }
+#else
+ if (state->MT2063_init==FALSE)
+ {
+ pInfo = kzalloc(sizeof (struct MT2063_Info_t), GFP_KERNEL);
+ if (pInfo == NULL)
+ {
+ return MT2063_TUNER_OPEN_ERR;
+ }
+ pInfo->handle = NULL;
+ pInfo->address = MAX_UDATA;
+ pInfo->rcvr_mode = MT2063_CABLE_QAM;
+ pInfo->hUserData = NULL;
+ }
+ else
+ {
+ pInfo = *hMT2063;
+ }
+#endif
+
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_RegisterTuner(&pInfo->AS_Data);
+ }
+
+ if (MT2063_NO_ERROR(status))
+ {
+ pInfo->handle = (Handle_t) pInfo;
+
+ pInfo->hUserData = hUserData;
+ pInfo->address = MT2063_Addr;
+ pInfo->rcvr_mode = MT2063_CABLE_QAM;
+ status |= MT2063_ReInit((Handle_t) pInfo);
+ }
+
+ if (MT2063_IS_ERROR(status))
+ /* MT2063_Close handles the un-registration of the tuner */
+ MT2063_Close((Handle_t) pInfo);
+ else
+ {
+ state->MT2063_init = TRUE;
+ *hMT2063 = pInfo->handle;
+
+ }
+
+ return (status);
+}
+
+
+static UData_t MT2063_IsValidHandle(struct MT2063_Info_t* handle)
+{
+ return ((handle != NULL) && (handle->handle == handle)) ? 1 : 0;
+}
+
+
+/******************************************************************************
+**
+** Name: MT2063_Close
+**
+** Description: Release the handle to the tuner.
+**
+** Parameters: hMT2063 - Handle to the MT2063 tuner
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+**
+** Dependencies: mt_errordef.h - definition of error codes
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+******************************************************************************/
+UData_t MT2063_Close(Handle_t hMT2063)
+{
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) hMT2063;
+
+ if (!MT2063_IsValidHandle(pInfo))
+ return MT2063_INV_HANDLE;
+
+ /* Unregister tuner with SpurAvoidance routines (if needed) */
+ MT2063_UnRegisterTuner(&pInfo->AS_Data);
+ /* Now remove the tuner from our own list of tuners */
+ pInfo->handle = NULL;
+ pInfo->address = MAX_UDATA;
+ pInfo->hUserData = NULL;
+ #if USE_GLOBAL_TUNER
+ nMT2063OpenTuners--;
+ MT2063_Avail[nMT2063OpenTuners] = pInfo; /* Return control block to available list */
+ #else
+ //kfree(pInfo);
+ //pInfo = NULL;
+ #endif
+ return MT2063_OK;
+}
+
+
+/******************************************************************************
+**
+** Name: MT2063_GetGPIO
+**
+** Description: Get the current MT2063 GPIO value.
+**
+** Parameters: h - Open handle to the tuner (from MT2063_Open).
+** gpio_id - Selects GPIO0, GPIO1 or GPIO2
+** attr - Selects input readback, I/O direction or
+** output value
+** *value - current setting of GPIO pin
+**
+** Usage: status = MT2063_GetGPIO(hMT2063, MT2063_GPIO_OUT, &value);
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+**
+** Dependencies: MT_ReadSub - Read byte(s) of data from the serial bus
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+******************************************************************************/
+UData_t MT2063_GetGPIO(Handle_t h, enum MT2063_GPIO_ID gpio_id,
+ enum MT2063_GPIO_Attr attr,
+ UData_t* value)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ U8Data regno;
+ SData_t shift;
+ static U8Data GPIOreg[3] = {MT2063_REG_RF_STATUS, MT2063_REG_FIF_OV, MT2063_REG_RF_OV};
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ return MT2063_INV_HANDLE;
+
+ if (value == NULL)
+ return MT2063_ARG_NULL;
+
+ regno = GPIOreg[attr];
+
+ /* We'll read the register just in case the write didn't work last time */
+ status = MT2063_ReadSub(pInfo->hUserData, pInfo->address, regno, &pInfo->reg[regno], 1);
+
+ shift = (gpio_id - MT2063_GPIO0 + 5);
+ *value = (pInfo->reg[regno] >> shift) & 1;
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_GetLocked
+**
+** Description: Checks to see if LO1 and LO2 are locked.
+**
+** Parameters: h - Open handle to the tuner (from MT2063_Open).
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_UPC_UNLOCK - Upconverter PLL unlocked
+** MT_DNC_UNLOCK - Downconverter PLL unlocked
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+**
+** Dependencies: MT_ReadSub - Read byte(s) of data from the serial bus
+** MT_Sleep - Delay execution for x milliseconds
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_GetLocked(Handle_t h)
+{
+ const UData_t nMaxWait = 100; /* wait a maximum of 100 msec */
+ const UData_t nPollRate = 2; /* poll status bits every 2 ms */
+ const UData_t nMaxLoops = nMaxWait / nPollRate;
+ const U8Data LO1LK = 0x80;
+ U8Data LO2LK = 0x08;
+ UData_t status = MT2063_OK; /* Status to be returned */
+ UData_t nDelays = 0;
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ return MT2063_INV_HANDLE;
+
+ /* LO2 Lock bit was in a different place for B0 version */
+ if (pInfo->tuner_id == MT2063_B0)
+ LO2LK = 0x40;
+
+ do
+ {
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO_STATUS, &pInfo->reg[MT2063_REG_LO_STATUS], 1);
+
+ if (MT2063_IS_ERROR(status))
+ return (status);
+
+ if ((pInfo->reg[MT2063_REG_LO_STATUS] & (LO1LK | LO2LK)) == (LO1LK | LO2LK))
+ {
+ return (status);
+ }
+ MT2063_Sleep(pInfo->hUserData, nPollRate); /* Wait between retries */
+ }
+ while (++nDelays < nMaxLoops);
+
+ if ((pInfo->reg[MT2063_REG_LO_STATUS] & LO1LK) == 0x00)
+ status |= MT2063_UPC_UNLOCK;
+ if ((pInfo->reg[MT2063_REG_LO_STATUS] & LO2LK) == 0x00)
+ status |= MT2063_DNC_UNLOCK;
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_GetParam
+**
+** Description: Gets a tuning algorithm parameter.
+**
+** This function provides access to the internals of the
+** tuning algorithm - mostly for testing purposes.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** param - Tuning algorithm parameter
+** (see enum MT2063_Param)
+** pValue - ptr to returned value
+**
+** param Description
+** ---------------------- --------------------------------
+** MT2063_IC_ADDR Serial Bus address of this tuner
+** MT2063_MAX_OPEN Max # of MT2063's allowed open
+** MT2063_NUM_OPEN # of MT2063's open
+** MT2063_SRO_FREQ crystal frequency
+** MT2063_STEPSIZE minimum tuning step size
+** MT2063_INPUT_FREQ input center frequency
+** MT2063_LO1_FREQ LO1 Frequency
+** MT2063_LO1_STEPSIZE LO1 minimum step size
+** MT2063_LO1_FRACN_AVOID LO1 FracN keep-out region
+** MT2063_IF1_ACTUAL Current 1st IF in use
+** MT2063_IF1_REQUEST Requested 1st IF
+** MT2063_IF1_CENTER Center of 1st IF SAW filter
+** MT2063_IF1_BW Bandwidth of 1st IF SAW filter
+** MT2063_ZIF_BW zero-IF bandwidth
+** MT2063_LO2_FREQ LO2 Frequency
+** MT2063_LO2_STEPSIZE LO2 minimum step size
+** MT2063_LO2_FRACN_AVOID LO2 FracN keep-out region
+** MT2063_OUTPUT_FREQ output center frequency
+** MT2063_OUTPUT_BW output bandwidth
+** MT2063_LO_SEPARATION min inter-tuner LO separation
+** MT2063_AS_ALG ID of avoid-spurs algorithm in use
+** MT2063_MAX_HARM1 max # of intra-tuner harmonics
+** MT2063_MAX_HARM2 max # of inter-tuner harmonics
+** MT2063_EXCL_ZONES # of 1st IF exclusion zones
+** MT2063_NUM_SPURS # of spurs found/avoided
+** MT2063_SPUR_AVOIDED >0 spurs avoided
+** MT2063_SPUR_PRESENT >0 spurs in output (mathematically)
+** MT2063_RCVR_MODE Predefined modes.
+** MT2063_ACLNA LNA attenuator gain code
+** MT2063_ACRF RF attenuator gain code
+** MT2063_ACFIF FIF attenuator gain code
+** MT2063_ACLNA_MAX LNA attenuator limit
+** MT2063_ACRF_MAX RF attenuator limit
+** MT2063_ACFIF_MAX FIF attenuator limit
+** MT2063_PD1 Actual value of PD1
+** MT2063_PD2 Actual value of PD2
+** MT2063_DNC_OUTPUT_ENABLE DNC output selection
+** MT2063_VGAGC VGA gain code
+** MT2063_VGAOI VGA output current
+** MT2063_TAGC TAGC setting
+** MT2063_AMPGC AMP gain code
+** MT2063_AVOID_DECT Avoid DECT Frequencies
+** MT2063_CTFILT_SW Cleartune filter selection
+**
+** Usage: status |= MT2063_GetParam(hMT2063,
+** MT2063_IF1_ACTUAL,
+** &f_IF1_Actual);
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+** MT_ARG_RANGE - Invalid parameter requested
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** See Also: MT2063_SetParam, MT2063_Open
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 154 09-13-2007 RSK Ver 1.05: Get/SetParam changes for LOx_FREQ
+** 10-31-2007 PINZ Ver 1.08: Get/SetParam add VGAGC, VGAOI, AMPGC, TAGC
+** 173 M 01-23-2008 RSK Ver 1.12: Read LO1C and LO2C registers from HW
+** in GetParam.
+** 04-18-2008 PINZ Ver 1.15: Add SetParam LNARIN & PDxTGT
+** Split SetParam up to ACLNA / ACLNA_MAX
+** removed ACLNA_INRC/DECR (+RF & FIF)
+** removed GCUAUTO / BYPATNDN/UP
+** 175 I 16-06-2008 PINZ Ver 1.16: Add control to avoid US DECT freqs.
+** 175 I 06-19-2008 RSK Ver 1.17: Refactor DECT control to SpurAvoid.
+** 06-24-2008 PINZ Ver 1.18: Add Get/SetParam CTFILT_SW
+**
+****************************************************************************/
+UData_t MT2063_GetParam(Handle_t h,
+ enum MT2063_Param param,
+ UData_t* pValue)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+ UData_t Div;
+ UData_t Num;
+
+ if (pValue == NULL)
+ status |= MT2063_ARG_NULL;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status |= MT2063_INV_HANDLE;
+
+ if (MT2063_NO_ERROR(status))
+ {
+ switch (param)
+ {
+ /* Serial Bus address of this tuner */
+ case MT2063_IC_ADDR:
+ *pValue = pInfo->address;
+ break;
+
+ /* Max # of MT2063's allowed to be open */
+ case MT2063_MAX_OPEN:
+ *pValue = nMT2063MaxTuners;
+ break;
+
+ /* # of MT2063's open */
+ case MT2063_NUM_OPEN:
+ *pValue = nMT2063OpenTuners;
+ break;
+
+ /* crystal frequency */
+ case MT2063_SRO_FREQ:
+ *pValue = pInfo->AS_Data.f_ref;
+ break;
+
+ /* minimum tuning step size */
+ case MT2063_STEPSIZE:
+ *pValue = pInfo->AS_Data.f_LO2_Step;
+ break;
+
+ /* input center frequency */
+ case MT2063_INPUT_FREQ:
+ *pValue = pInfo->AS_Data.f_in;
+ break;
+
+ /* LO1 Frequency */
+ case MT2063_LO1_FREQ:
+ {
+ /* read the actual tuner register values for LO1C_1 and LO1C_2 */
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1C_1, &pInfo->reg[MT2063_REG_LO1C_1], 2);
+ Div = pInfo->reg[MT2063_REG_LO1C_1];
+ Num = pInfo->reg[MT2063_REG_LO1C_2] & 0x3F;
+ pInfo->AS_Data.f_LO1 = (pInfo->AS_Data.f_ref * Div) + MT2063_fLO_FractionalTerm(pInfo->AS_Data.f_ref, Num, 64);
+ }
+ *pValue = pInfo->AS_Data.f_LO1;
+ break;
+
+ /* LO1 minimum step size */
+ case MT2063_LO1_STEPSIZE:
+ *pValue = pInfo->AS_Data.f_LO1_Step;
+ break;
+
+ /* LO1 FracN keep-out region */
+ case MT2063_LO1_FRACN_AVOID_PARAM:
+ *pValue = pInfo->AS_Data.f_LO1_FracN_Avoid;
+ break;
+
+ /* Current 1st IF in use */
+ case MT2063_IF1_ACTUAL:
+ *pValue = pInfo->f_IF1_actual;
+ break;
+
+ /* Requested 1st IF */
+ case MT2063_IF1_REQUEST:
+ *pValue = pInfo->AS_Data.f_if1_Request;
+ break;
+
+ /* Center of 1st IF SAW filter */
+ case MT2063_IF1_CENTER:
+ *pValue = pInfo->AS_Data.f_if1_Center;
+ break;
+
+ /* Bandwidth of 1st IF SAW filter */
+ case MT2063_IF1_BW:
+ *pValue = pInfo->AS_Data.f_if1_bw;
+ break;
+
+ /* zero-IF bandwidth */
+ case MT2063_ZIF_BW:
+ *pValue = pInfo->AS_Data.f_zif_bw;
+ break;
+
+ /* LO2 Frequency */
+ case MT2063_LO2_FREQ:
+ {
+ /* Read the actual tuner register values for LO2C_1, LO2C_2 and LO2C_3 */
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2C_1, &pInfo->reg[MT2063_REG_LO2C_1], 3);
+ Div = (pInfo->reg[MT2063_REG_LO2C_1] & 0xFE ) >> 1;
+ Num = ((pInfo->reg[MT2063_REG_LO2C_1] & 0x01 ) << 12) | (pInfo->reg[MT2063_REG_LO2C_2] << 4) | (pInfo->reg[MT2063_REG_LO2C_3] & 0x00F);
+ pInfo->AS_Data.f_LO2 = (pInfo->AS_Data.f_ref * Div) + MT2063_fLO_FractionalTerm(pInfo->AS_Data.f_ref, Num, 8191);
+ }
+ *pValue = pInfo->AS_Data.f_LO2;
+ break;
+
+ /* LO2 minimum step size */
+ case MT2063_LO2_STEPSIZE:
+ *pValue = pInfo->AS_Data.f_LO2_Step;
+ break;
+
+ /* LO2 FracN keep-out region */
+ case MT2063_LO2_FRACN_AVOID:
+ *pValue = pInfo->AS_Data.f_LO2_FracN_Avoid;
+ break;
+
+ /* output center frequency */
+ case MT2063_OUTPUT_FREQ:
+ *pValue = pInfo->AS_Data.f_out;
+ break;
+
+ /* output bandwidth */
+ case MT2063_OUTPUT_BW:
+ *pValue = pInfo->AS_Data.f_out_bw - 750000;
+ break;
+
+ /* min inter-tuner LO separation */
+ case MT2063_LO_SEPARATION:
+ *pValue = pInfo->AS_Data.f_min_LO_Separation;
+ break;
+
+ /* ID of avoid-spurs algorithm in use */
+ case MT2063_AS_ALG:
+ *pValue = pInfo->AS_Data.nAS_Algorithm;
+ break;
+
+ /* max # of intra-tuner harmonics */
+ case MT2063_MAX_HARM1:
+ *pValue = pInfo->AS_Data.maxH1;
+ break;
+
+ /* max # of inter-tuner harmonics */
+ case MT2063_MAX_HARM2:
+ *pValue = pInfo->AS_Data.maxH2;
+ break;
+
+ /* # of 1st IF exclusion zones */
+ case MT2063_EXCL_ZONES:
+ *pValue = pInfo->AS_Data.nZones;
+ break;
+
+ /* # of spurs found/avoided */
+ case MT2063_NUM_SPURS:
+ *pValue = pInfo->AS_Data.nSpursFound;
+ break;
+
+ /* >0 spurs avoided */
+ case MT2063_SPUR_AVOIDED:
+ *pValue = pInfo->AS_Data.bSpurAvoided;
+ break;
+
+ /* >0 spurs in output (mathematically) */
+ case MT2063_SPUR_PRESENT:
+ *pValue = pInfo->AS_Data.bSpurPresent;
+ break;
+
+ /* Predefined receiver setup combination */
+ case MT2063_RCVR_MODE:
+ *pValue = pInfo->rcvr_mode;
+ break;
+
+ case MT2063_PD1:
+ case MT2063_PD2:
+ {
+ U8Data mask = (param == MT2063_PD1 ? 0x01 : 0x03); /* PD1 vs PD2 */
+ U8Data orig = (pInfo->reg[MT2063_REG_BYP_CTRL]);
+ U8Data reg = (orig & 0xF1) | mask; /* Only set 3 bits (not 5) */
+ int i;
+
+ *pValue = 0;
+
+ /* Initiate ADC output to reg 0x0A */
+ if (reg != orig)
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_BYP_CTRL, ®, 1);
+
+ if (MT2063_IS_ERROR(status))
+ return (status);
+
+ for (i=0; i<8; i++) {
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_ADC_OUT, &pInfo->reg[MT2063_REG_ADC_OUT], 1);
+
+ if (MT2063_NO_ERROR(status))
+ *pValue += pInfo->reg[MT2063_REG_ADC_OUT];
+ else
+ {
+ if( i ) *pValue /= i;
+ return (status);
+ }
+ }
+ *pValue /= 8; /* divide by number of reads */
+ *pValue >>=2; /* only want 6 MSB's out of 8 */
+
+ /* Restore value of Register BYP_CTRL */
+ if (reg != orig)
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_BYP_CTRL, &orig, 1);
+ }
+ break;
+
+ /* Get LNA attenuator code */
+ case MT2063_ACLNA:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_XO_STATUS, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get RF attenuator code */
+ case MT2063_ACRF:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_RF_STATUS, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get FIF attenuator code */
+ case MT2063_ACFIF:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_FIF_STATUS, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get LNA attenuator limit */
+ case MT2063_ACLNA_MAX:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_LNA_OV, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get RF attenuator limit */
+ case MT2063_ACRF_MAX:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_RF_OV, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get FIF attenuator limit */
+ case MT2063_ACFIF_MAX:
+ {
+ U8Data val;
+ status |= MT2063_GetReg(pInfo, MT2063_REG_FIF_OV, &val);
+ *pValue = val & 0x1f;
+ }
+ break;
+
+ /* Get current used DNC output */
+ case MT2063_DNC_OUTPUT_ENABLE:
+ {
+ if ( (pInfo->reg[MT2063_REG_DNC_GAIN] & 0x03) == 0x03) /* if DNC1 is off */
+ {
+ if ( (pInfo->reg[MT2063_REG_VGA_GAIN] & 0x03) == 0x03) /* if DNC2 is off */
+ *pValue = (UData_t)MT2063_DNC_NONE;
+ else
+ *pValue = (UData_t)MT2063_DNC_2;
+ }
+ else /* DNC1 is on */
+ {
+ if ( (pInfo->reg[MT2063_REG_VGA_GAIN] & 0x03) == 0x03) /* if DNC2 is off */
+ *pValue = (UData_t)MT2063_DNC_1;
+ else
+ *pValue = (UData_t)MT2063_DNC_BOTH;
+ }
+ }
+ break;
+
+ /* Get VGA Gain Code */
+ case MT2063_VGAGC:
+ *pValue = ( (pInfo->reg[MT2063_REG_VGA_GAIN] & 0x0C) >> 2 );
+ break;
+
+ /* Get VGA bias current */
+ case MT2063_VGAOI:
+ *pValue = (pInfo->reg[MT2063_REG_RSVD_31] & 0x07);
+ break;
+
+ /* Get TAGC setting */
+ case MT2063_TAGC:
+ *pValue = (pInfo->reg[MT2063_REG_RSVD_1E] & 0x03);
+ break;
+
+ /* Get AMP Gain Code */
+ case MT2063_AMPGC:
+ *pValue = (pInfo->reg[MT2063_REG_TEMP_SEL] & 0x03);
+ break;
+
+ /* Avoid DECT Frequencies */
+ case MT2063_AVOID_DECT:
+ *pValue = pInfo->AS_Data.avoidDECT;
+ break;
+
+ /* Cleartune filter selection: 0 - by IC (default), 1 - by software */
+ case MT2063_CTFILT_SW:
+ *pValue = pInfo->ctfilt_sw;
+ break;
+
+ case MT2063_EOP:
+ default:
+ status |= MT2063_ARG_RANGE;
+ }
+ }
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_GetReg
+**
+** Description: Gets an MT2063 register.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** reg - MT2063 register/subaddress location
+** *val - MT2063 register/subaddress value
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+** MT_ARG_RANGE - Argument out of range
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Use this function if you need to read a register from
+** the MT2063.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_GetReg(Handle_t h,
+ U8Data reg,
+ U8Data* val)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status |= MT2063_INV_HANDLE;
+
+ if (val == NULL)
+ status |= MT2063_ARG_NULL;
+
+ if (reg >= MT2063_REG_END_REGS)
+ status |= MT2063_ARG_RANGE;
+
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, reg, &pInfo->reg[reg], 1);
+ if (MT2063_NO_ERROR(status))
+ *val = pInfo->reg[reg];
+ }
+
+ return (status);
+}
+
+
+/******************************************************************************
+**
+** Name: MT2063_GetTemp
+**
+** Description: Get the MT2063 Temperature register.
+**
+** Parameters: h - Open handle to the tuner (from MT2063_Open).
+** *value - value read from the register
+**
+** Binary
+** Value Returned Value Approx Temp
+** ---------------------------------------------
+** MT2063_T_0C 0000 0C
+** MT2063_T_10C 0001 10C
+** MT2063_T_20C 0010 20C
+** MT2063_T_30C 0011 30C
+** MT2063_T_40C 0100 40C
+** MT2063_T_50C 0101 50C
+** MT2063_T_60C 0110 60C
+** MT2063_T_70C 0111 70C
+** MT2063_T_80C 1000 80C
+** MT2063_T_90C 1001 90C
+** MT2063_T_100C 1010 100C
+** MT2063_T_110C 1011 110C
+** MT2063_T_120C 1100 120C
+** MT2063_T_130C 1101 130C
+** MT2063_T_140C 1110 140C
+** MT2063_T_150C 1111 150C
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+** MT_ARG_RANGE - Argument out of range
+**
+** Dependencies: MT_ReadSub - Read byte(s) of data from the two-wire bus
+** MT_WriteSub - Write byte(s) of data to the two-wire bus
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+******************************************************************************/
+UData_t MT2063_GetTemp(Handle_t h, enum MT2063_Temperature* value)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ return MT2063_INV_HANDLE;
+
+ if (value == NULL)
+ return MT2063_ARG_NULL;
+
+ if ((MT2063_NO_ERROR(status)) && ((pInfo->reg[MT2063_REG_TEMP_SEL] & 0xE0) != 0x00))
+ {
+ pInfo->reg[MT2063_REG_TEMP_SEL] &= (0x1F);
+ status |= MT2063_WriteSub(pInfo->hUserData,
+ pInfo->address,
+ MT2063_REG_TEMP_SEL,
+ &pInfo->reg[MT2063_REG_TEMP_SEL],
+ 1);
+ }
+
+ if (MT2063_NO_ERROR(status))
+ status |= MT2063_ReadSub(pInfo->hUserData,
+ pInfo->address,
+ MT2063_REG_TEMP_STATUS,
+ &pInfo->reg[MT2063_REG_TEMP_STATUS],
+ 1);
+
+ if (MT2063_NO_ERROR(status))
+ *value = (enum MT2063_Temperature) (pInfo->reg[MT2063_REG_TEMP_STATUS] >> 4);
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_GetUserData
+**
+** Description: Gets the user-defined data item.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** The hUserData parameter is a user-specific argument
+** that is stored internally with the other tuner-
+** specific information.
+**
+** For example, if additional arguments are needed
+** for the user to identify the device communicating
+** with the tuner, this argument can be used to supply
+** the necessary information.
+**
+** The hUserData parameter is initialized in the tuner's
+** Open function to NULL.
+**
+** See Also: MT2063_Open
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_GetUserData(Handle_t h,
+ Handle_t* hUserData)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+
+ if (hUserData == NULL)
+ status |= MT2063_ARG_NULL;
+
+ if (MT2063_NO_ERROR(status))
+ *hUserData = pInfo->hUserData;
+
+ return (status);
+}
+
+
+
+/******************************************************************************
+**
+** Name: MT2063_SetReceiverMode
+**
+** Description: Set the MT2063 receiver mode
+**
+** --------------+----------------------------------------------
+** Mode 0 : | MT2063_CABLE_QAM
+** Mode 1 : | MT2063_CABLE_ANALOG
+** Mode 2 : | MT2063_OFFAIR_COFDM
+** Mode 3 : | MT2063_OFFAIR_COFDM_SAWLESS
+** Mode 4 : | MT2063_OFFAIR_ANALOG
+** Mode 5 : | MT2063_OFFAIR_8VSB
+** --------------+----+----+----+----+-----+--------------------
+** (DNC1GC & DNC2GC are the values, which are used, when the specific
+** DNC Output is selected, the other is always off)
+**
+** |<---------- Mode -------------->|
+** Reg Field | 0 | 1 | 2 | 3 | 4 | 5 |
+** ------------+-----+-----+-----+-----+-----+-----+
+** RFAGCen | OFF | OFF | OFF | OFF | OFF | OFF
+** LNARin | 0 | 0 | 3 | 3 | 3 | 3
+** FIFFQen | 1 | 1 | 1 | 1 | 1 | 1
+** FIFFq | 0 | 0 | 0 | 0 | 0 | 0
+** DNC1gc | 0 | 0 | 0 | 0 | 0 | 0
+** DNC2gc | 0 | 0 | 0 | 0 | 0 | 0
+** GCU Auto | 1 | 1 | 1 | 1 | 1 | 1
+** LNA max Atn | 31 | 31 | 31 | 31 | 31 | 31
+** LNA Target | 44 | 43 | 43 | 43 | 43 | 43
+** ign RF Ovl | 0 | 0 | 0 | 0 | 0 | 0
+** RF max Atn | 31 | 31 | 31 | 31 | 31 | 31
+** PD1 Target | 36 | 36 | 38 | 38 | 36 | 38
+** ign FIF Ovl | 0 | 0 | 0 | 0 | 0 | 0
+** FIF max Atn | 5 | 5 | 5 | 5 | 5 | 5
+** PD2 Target | 40 | 33 | 42 | 42 | 33 | 42
+**
+**
+** Parameters: pInfo - ptr to MT2063_Info_t structure
+** Mode - desired reciever mode
+**
+** Usage: status = MT2063_SetReceiverMode(hMT2063, Mode);
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: MT2063_SetReg - Write a byte of data to a HW register.
+** Assumes that the tuner cache is valid.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** N/A 01-10-2007 PINZ Added additional GCU Settings, FIFF Calib will be triggered
+** 155 10-01-2007 DAD Ver 1.06: Add receiver mode for SECAM positive
+** modulation
+** (MT2063_ANALOG_TV_POS_NO_RFAGC_MODE)
+** N/A 10-22-2007 PINZ Ver 1.07: Changed some Registers at init to have
+** the same settings as with MT Launcher
+** N/A 10-30-2007 PINZ Add SetParam VGAGC & VGAOI
+** Add SetParam DNC_OUTPUT_ENABLE
+** Removed VGAGC from receiver mode,
+** default now 1
+** N/A 10-31-2007 PINZ Ver 1.08: Add SetParam TAGC, removed from rcvr-mode
+** Add SetParam AMPGC, removed from rcvr-mode
+** Corrected names of GCU values
+** reorganized receiver modes, removed,
+** (MT2063_ANALOG_TV_POS_NO_RFAGC_MODE)
+** Actualized Receiver-Mode values
+** N/A 11-12-2007 PINZ Ver 1.09: Actualized Receiver-Mode values
+** N/A 11-27-2007 PINZ Improved buffered writing
+** 01-03-2008 PINZ Ver 1.10: Added a trigger of BYPATNUP for
+** correct wakeup of the LNA after shutdown
+** Set AFCsd = 1 as default
+** Changed CAP1sel default
+** 01-14-2008 PINZ Ver 1.11: Updated gain settings
+** 04-18-2008 PINZ Ver 1.15: Add SetParam LNARIN & PDxTGT
+** Split SetParam up to ACLNA / ACLNA_MAX
+** removed ACLNA_INRC/DECR (+RF & FIF)
+** removed GCUAUTO / BYPATNDN/UP
+**
+******************************************************************************/
+static UData_t MT2063_SetReceiverMode(struct MT2063_Info_t* pInfo, enum MT2063_RCVR_MODES Mode)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ U8Data val;
+ UData_t longval;
+
+
+ if (Mode >= MT2063_NUM_RCVR_MODES)
+ status = MT2063_ARG_RANGE;
+
+ /* RFAGCen */
+ if (MT2063_NO_ERROR(status))
+ {
+ val = (pInfo->reg[MT2063_REG_PD1_TGT] & (U8Data)~0x40) | (RFAGCEN[Mode] ? 0x40 : 0x00);
+ if( pInfo->reg[MT2063_REG_PD1_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_PD1_TGT, val);
+ }
+ }
+
+ /* LNARin */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_LNA_RIN, LNARIN[Mode]);
+ }
+
+ /* FIFFQEN and FIFFQ */
+ if (MT2063_NO_ERROR(status))
+ {
+ val = (pInfo->reg[MT2063_REG_FIFF_CTRL2] & (U8Data)~0xF0) | (FIFFQEN[Mode] << 7) | (FIFFQ[Mode] << 4);
+ if( pInfo->reg[MT2063_REG_FIFF_CTRL2] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_FIFF_CTRL2, val);
+ /* trigger FIFF calibration, needed after changing FIFFQ */
+ val = (pInfo->reg[MT2063_REG_FIFF_CTRL] | (U8Data)0x01);
+ status |= MT2063_SetReg(pInfo, MT2063_REG_FIFF_CTRL, val);
+ val = (pInfo->reg[MT2063_REG_FIFF_CTRL] & (U8Data)~0x01);
+ status |= MT2063_SetReg(pInfo, MT2063_REG_FIFF_CTRL, val);
+ }
+ }
+
+ /* DNC1GC & DNC2GC */
+ status |= MT2063_GetParam(pInfo, MT2063_DNC_OUTPUT_ENABLE, &longval);
+ status |= MT2063_SetParam(pInfo, MT2063_DNC_OUTPUT_ENABLE, longval);
+
+ /* acLNAmax */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_ACLNA_MAX, ACLNAMAX[Mode]);
+ }
+
+ /* LNATGT */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_LNA_TGT, LNATGT[Mode]);
+ }
+
+ /* ACRF */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_ACRF_MAX, ACRFMAX[Mode]);
+ }
+
+ /* PD1TGT */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_PD1_TGT, PD1TGT[Mode]);
+ }
+
+ /* FIFATN */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_ACFIF_MAX, ACFIFMAX[Mode]);
+ }
+
+ /* PD2TGT */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_SetParam(pInfo, MT2063_PD2_TGT, PD2TGT[Mode]);
+ }
+
+ /* Ignore ATN Overload */
+ if (MT2063_NO_ERROR(status))
+ {
+ val = (pInfo->reg[MT2063_REG_LNA_TGT] & (U8Data)~0x80) | (RFOVDIS[Mode] ? 0x80 : 0x00);
+ if( pInfo->reg[MT2063_REG_LNA_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_LNA_TGT, val);
+ }
+ }
+
+ /* Ignore FIF Overload */
+ if (MT2063_NO_ERROR(status))
+ {
+ val = (pInfo->reg[MT2063_REG_PD1_TGT] & (U8Data)~0x80) | (FIFOVDIS[Mode] ? 0x80 : 0x00);
+ if( pInfo->reg[MT2063_REG_PD1_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_PD1_TGT, val);
+ }
+ }
+
+ if (MT2063_NO_ERROR(status))
+ pInfo->rcvr_mode = Mode;
+
+ return (status);
+}
+
+
+/******************************************************************************
+**
+** Name: MT2063_ReInit
+**
+** Description: Initialize the tuner's register values.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_TUNER_ID_ERR - Tuner Part/Rev code mismatch
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: MT_ReadSub - Read byte(s) of data from the two-wire bus
+** MT_WriteSub - Write byte(s) of data to the two-wire bus
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 148 09-04-2007 RSK Ver 1.02: Corrected logic of Reg 3B Reference
+** 153 09-07-2007 RSK Ver 1.03: Lock Time improvements
+** N/A 10-31-2007 PINZ Ver 1.08: Changed values suitable to rcvr-mode 0
+** N/A 11-12-2007 PINZ Ver 1.09: Changed values suitable to rcvr-mode 0
+** N/A 01-03-2007 PINZ Ver 1.10: Added AFCsd = 1 into defaults
+** N/A 01-04-2007 PINZ Ver 1.10: Changed CAP1sel default
+** 01-14-2008 PINZ Ver 1.11: Updated gain settings
+** 03-18-2008 PINZ Ver 1.13: Added Support for B3
+** 175 I 06-19-2008 RSK Ver 1.17: Refactor DECT control to SpurAvoid.
+** 06-24-2008 PINZ Ver 1.18: Add Get/SetParam CTFILT_SW
+**
+******************************************************************************/
+UData_t MT2063_ReInit(Handle_t h)
+{
+ U8Data all_resets = 0xF0; /* reset/load bits */
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+ U8Data *def;
+
+ U8Data MT2063B0_defaults[] = { /* Reg, Value */
+ 0x19, 0x05,
+ 0x1B, 0x1D,
+ 0x1C, 0x1F,
+ 0x1D, 0x0F,
+ 0x1E, 0x3F,
+ 0x1F, 0x0F,
+ 0x20, 0x3F,
+ 0x22, 0x21,
+ 0x23, 0x3F,
+ 0x24, 0x20,
+ 0x25, 0x3F,
+ 0x27, 0xEE,
+ 0x2C, 0x27, /* bit at 0x20 is cleared below */
+ 0x30, 0x03,
+ 0x2C, 0x07, /* bit at 0x20 is cleared here */
+ 0x2D, 0x87,
+ 0x2E, 0xAA,
+ 0x28, 0xE1, /* Set the FIFCrst bit here */
+ 0x28, 0xE0, /* Clear the FIFCrst bit here */
+ 0x00 };
+
+ /* writing 0x05 0xf0 sw-resets all registers, so we write only needed changes */
+ U8Data MT2063B1_defaults[] = { /* Reg, Value */
+ 0x05, 0xF0,
+ 0x11, 0x10, /* New Enable AFCsd */
+ 0x19, 0x05,
+ 0x1A, 0x6C,
+ 0x1B, 0x24,
+ 0x1C, 0x28,
+ 0x1D, 0x8F,
+ 0x1E, 0x14,
+ 0x1F, 0x8F,
+ 0x20, 0x57,
+ 0x22, 0x21, /* New - ver 1.03 */
+ 0x23, 0x3C, /* New - ver 1.10 */
+ 0x24, 0x20, /* New - ver 1.03 */
+ 0x2C, 0x24, /* bit at 0x20 is cleared below */
+ 0x2D, 0x87, /* FIFFQ=0 */
+ 0x2F, 0xF3,
+ 0x30, 0x0C, /* New - ver 1.11 */
+ 0x31, 0x1B, /* New - ver 1.11 */
+ 0x2C, 0x04, /* bit at 0x20 is cleared here */
+ 0x28, 0xE1, /* Set the FIFCrst bit here */
+ 0x28, 0xE0, /* Clear the FIFCrst bit here */
+ 0x00 };
+
+ /* writing 0x05 0xf0 sw-resets all registers, so we write only needed changes */
+ U8Data MT2063B3_defaults[] = { /* Reg, Value */
+ 0x05, 0xF0,
+ 0x19, 0x3D,
+ 0x2C, 0x24, /* bit at 0x20 is cleared below */
+ 0x2C, 0x04, /* bit at 0x20 is cleared here */
+ 0x28, 0xE1, /* Set the FIFCrst bit here */
+ 0x28, 0xE0, /* Clear the FIFCrst bit here */
+ 0x00 };
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status |= MT2063_INV_HANDLE;
+
+ /* Read the Part/Rev code from the tuner */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_PART_REV, pInfo->reg, 1);
+ }
+
+ if (MT2063_NO_ERROR(status) /* Check the part/rev code */
+ && ( (pInfo->reg[MT2063_REG_PART_REV] != MT2063_B0) /* MT2063 B0 */
+ && (pInfo->reg[MT2063_REG_PART_REV] != MT2063_B1) /* MT2063 B1 */
+ && (pInfo->reg[MT2063_REG_PART_REV] != MT2063_B3))) /* MT2063 B3 */
+ status |= MT2063_TUNER_ID_ERR; /* Wrong tuner Part/Rev code */
+
+ /* Read the Part/Rev code (2nd byte) from the tuner */
+ if (MT2063_NO_ERROR(status))
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_RSVD_3B, &pInfo->reg[MT2063_REG_RSVD_3B], 1);
+
+ if (MT2063_NO_ERROR(status) /* Check the 2nd part/rev code */
+ && ((pInfo->reg[MT2063_REG_RSVD_3B] & 0x80) != 0x00)) /* b7 != 0 ==> NOT MT2063 */
+ status |= MT2063_TUNER_ID_ERR; /* Wrong tuner Part/Rev code */
+
+ /* Reset the tuner */
+ if (MT2063_NO_ERROR(status))
+ status |= MT2063_WriteSub(pInfo->hUserData,
+ pInfo->address,
+ MT2063_REG_LO2CQ_3,
+ &all_resets,
+ 1);
+
+ /* change all of the default values that vary from the HW reset values */
+ /* def = (pInfo->reg[PART_REV] == MT2063_B0) ? MT2063B0_defaults : MT2063B1_defaults; */
+ switch (pInfo->reg[MT2063_REG_PART_REV])
+ {
+ case MT2063_B3 :
+ def = MT2063B3_defaults;
+ break;
+
+ case MT2063_B1 :
+ def = MT2063B1_defaults;
+ break;
+
+ case MT2063_B0 :
+ def = MT2063B0_defaults;
+ break;
+
+ default :
+ status |= MT2063_TUNER_ID_ERR;
+ break;
+ }
+
+ while (MT2063_NO_ERROR(status) && *def)
+ {
+ U8Data reg = *def++;
+ U8Data val = *def++;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, reg, &val, 1);
+ }
+
+ /* Wait for FIFF location to complete. */
+ if (MT2063_NO_ERROR(status))
+ {
+ UData_t FCRUN = 1;
+ SData_t maxReads = 10;
+ while (MT2063_NO_ERROR(status) && (FCRUN != 0) && (maxReads-- > 0))
+ {
+ MT2063_Sleep(pInfo->hUserData, 2);
+ status |= MT2063_ReadSub(pInfo->hUserData,
+ pInfo->address,
+ MT2063_REG_XO_STATUS,
+ &pInfo->reg[MT2063_REG_XO_STATUS],
+ 1);
+ FCRUN = (pInfo->reg[MT2063_REG_XO_STATUS] & 0x40) >> 6;
+ }
+
+ if (FCRUN != 0)
+ status |= MT2063_TUNER_INIT_ERR | MT2063_TUNER_TIMEOUT;
+
+ if (MT2063_NO_ERROR(status)) /* Re-read FIFFC value */
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_FIFFC, &pInfo->reg[MT2063_REG_FIFFC], 1);
+ }
+
+ /* Read back all the registers from the tuner */
+ if (MT2063_NO_ERROR(status))
+ status |= MT2063_ReadSub(pInfo->hUserData,
+ pInfo->address,
+ MT2063_REG_PART_REV,
+ pInfo->reg,
+ MT2063_REG_END_REGS);
+
+ if (MT2063_NO_ERROR(status))
+ {
+ /* Initialize the tuner state. */
+ pInfo->version = MT2063_VERSION;
+ pInfo->tuner_id = pInfo->reg[MT2063_REG_PART_REV];
+ pInfo->AS_Data.f_ref = MT2063_REF_FREQ;
+ pInfo->AS_Data.f_if1_Center = (pInfo->AS_Data.f_ref / 8) * ((UData_t) pInfo->reg[MT2063_REG_FIFFC] + 640);
+ pInfo->AS_Data.f_if1_bw = MT2063_IF1_BW;
+ pInfo->AS_Data.f_out = 43750000UL;
+ pInfo->AS_Data.f_out_bw = 6750000UL;
+ pInfo->AS_Data.f_zif_bw = MT2063_ZIF_BW;
+ pInfo->AS_Data.f_LO1_Step = pInfo->AS_Data.f_ref / 64;
+ pInfo->AS_Data.f_LO2_Step = MT2063_TUNE_STEP_SIZE;
+ pInfo->AS_Data.maxH1 = MT2063_MAX_HARMONICS_1;
+ pInfo->AS_Data.maxH2 = MT2063_MAX_HARMONICS_2;
+ pInfo->AS_Data.f_min_LO_Separation = MT2063_MIN_LO_SEP;
+ pInfo->AS_Data.f_if1_Request = pInfo->AS_Data.f_if1_Center;
+ pInfo->AS_Data.f_LO1 = 2181000000UL;
+ pInfo->AS_Data.f_LO2 = 1486249786UL;
+ pInfo->f_IF1_actual = pInfo->AS_Data.f_if1_Center;
+ pInfo->AS_Data.f_in = pInfo->AS_Data.f_LO1 - pInfo->f_IF1_actual;
+ pInfo->AS_Data.f_LO1_FracN_Avoid = MT2063_LO1_FRACN_AVOID;
+ pInfo->AS_Data.f_LO2_FracN_Avoid = MT2063_LO2_FRACN_AVOID;
+ pInfo->num_regs = MT2063_REG_END_REGS;
+ pInfo->AS_Data.avoidDECT = MT2063_AVOID_BOTH;
+ pInfo->ctfilt_sw = 0;
+ }
+
+ if (MT2063_NO_ERROR(status))
+ {
+ pInfo->CTFiltMax[ 0] = 69230000;
+ pInfo->CTFiltMax[ 1] = 105770000;
+ pInfo->CTFiltMax[ 2] = 140350000;
+ pInfo->CTFiltMax[ 3] = 177110000;
+ pInfo->CTFiltMax[ 4] = 212860000;
+ pInfo->CTFiltMax[ 5] = 241130000;
+ pInfo->CTFiltMax[ 6] = 274370000;
+ pInfo->CTFiltMax[ 7] = 309820000;
+ pInfo->CTFiltMax[ 8] = 342450000;
+ pInfo->CTFiltMax[ 9] = 378870000;
+ pInfo->CTFiltMax[10] = 416210000;
+ pInfo->CTFiltMax[11] = 456500000;
+ pInfo->CTFiltMax[12] = 495790000;
+ pInfo->CTFiltMax[13] = 534530000;
+ pInfo->CTFiltMax[14] = 572610000;
+ pInfo->CTFiltMax[15] = 598970000;
+ pInfo->CTFiltMax[16] = 635910000;
+ pInfo->CTFiltMax[17] = 672130000;
+ pInfo->CTFiltMax[18] = 714840000;
+ pInfo->CTFiltMax[19] = 739660000;
+ pInfo->CTFiltMax[20] = 770410000;
+ pInfo->CTFiltMax[21] = 814660000;
+ pInfo->CTFiltMax[22] = 846950000;
+ pInfo->CTFiltMax[23] = 867820000;
+ pInfo->CTFiltMax[24] = 915980000;
+ pInfo->CTFiltMax[25] = 947450000;
+ pInfo->CTFiltMax[26] = 983110000;
+ pInfo->CTFiltMax[27] = 1021630000;
+ pInfo->CTFiltMax[28] = 1061870000;
+ pInfo->CTFiltMax[29] = 1098330000;
+ pInfo->CTFiltMax[30] = 1138990000;
+ }
+
+ /*
+ ** Fetch the FCU osc value and use it and the fRef value to
+ ** scale all of the Band Max values
+ */
+ if (MT2063_NO_ERROR(status))
+ {
+ UData_t fcu_osc;
+ UData_t i;
+
+ pInfo->reg[MT2063_REG_CTUNE_CTRL] = 0x0A;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_CTUNE_CTRL, &pInfo->reg[MT2063_REG_CTUNE_CTRL], 1);
+ /* Read the ClearTune filter calibration value */
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_FIFFC, &pInfo->reg[MT2063_REG_FIFFC], 1);
+ fcu_osc = pInfo->reg[MT2063_REG_FIFFC];
+
+ pInfo->reg[MT2063_REG_CTUNE_CTRL] = 0x00;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_CTUNE_CTRL, &pInfo->reg[MT2063_REG_CTUNE_CTRL], 1);
+
+ /* Adjust each of the values in the ClearTune filter cross-over table */
+ for (i = 0; i < 31; i++)
+ {
+ pInfo->CTFiltMax[i] = (pInfo->CTFiltMax[i]/768) * (fcu_osc + 640);
+ }
+ }
+
+ return (status);
+}
+
+
+/******************************************************************************
+**
+** Name: MT2063_SetGPIO
+**
+** Description: Modify the MT2063 GPIO value.
+**
+** Parameters: h - Open handle to the tuner (from MT2063_Open).
+** gpio_id - Selects GPIO0, GPIO1 or GPIO2
+** attr - Selects input readback, I/O direction or
+** output value
+** value - value to set GPIO pin 15, 14 or 19
+**
+** Usage: status = MT2063_SetGPIO(hMT2063, MT2063_GPIO1, MT2063_GPIO_OUT, 1);
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+**
+** Dependencies: MT_WriteSub - Write byte(s) of data to the two-wire-bus
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+******************************************************************************/
+UData_t MT2063_SetGPIO(Handle_t h, enum MT2063_GPIO_ID gpio_id,
+ enum MT2063_GPIO_Attr attr,
+ UData_t value)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ U8Data regno;
+ SData_t shift;
+ static U8Data GPIOreg[3] = {0x15, 0x19, 0x18};
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ return MT2063_INV_HANDLE;
+
+ regno = GPIOreg[attr];
+
+ shift = (gpio_id - MT2063_GPIO0 + 5);
+
+ if (value & 0x01)
+ pInfo->reg[regno] |= (0x01 << shift);
+ else
+ pInfo->reg[regno] &= ~(0x01 << shift);
+ status = MT2063_WriteSub(pInfo->hUserData, pInfo->address, regno, &pInfo->reg[regno], 1);
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_SetParam
+**
+** Description: Sets a tuning algorithm parameter.
+**
+** This function provides access to the internals of the
+** tuning algorithm. You can override many of the tuning
+** algorithm defaults using this function.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** param - Tuning algorithm parameter
+** (see enum MT2063_Param)
+** nValue - value to be set
+**
+** param Description
+** ---------------------- --------------------------------
+** MT2063_SRO_FREQ crystal frequency
+** MT2063_STEPSIZE minimum tuning step size
+** MT2063_LO1_FREQ LO1 frequency
+** MT2063_LO1_STEPSIZE LO1 minimum step size
+** MT2063_LO1_FRACN_AVOID LO1 FracN keep-out region
+** MT2063_IF1_REQUEST Requested 1st IF
+** MT2063_ZIF_BW zero-IF bandwidth
+** MT2063_LO2_FREQ LO2 frequency
+** MT2063_LO2_STEPSIZE LO2 minimum step size
+** MT2063_LO2_FRACN_AVOID LO2 FracN keep-out region
+** MT2063_OUTPUT_FREQ output center frequency
+** MT2063_OUTPUT_BW output bandwidth
+** MT2063_LO_SEPARATION min inter-tuner LO separation
+** MT2063_MAX_HARM1 max # of intra-tuner harmonics
+** MT2063_MAX_HARM2 max # of inter-tuner harmonics
+** MT2063_RCVR_MODE Predefined modes
+** MT2063_LNA_RIN Set LNA Rin (*)
+** MT2063_LNA_TGT Set target power level at LNA (*)
+** MT2063_PD1_TGT Set target power level at PD1 (*)
+** MT2063_PD2_TGT Set target power level at PD2 (*)
+** MT2063_ACLNA_MAX LNA attenuator limit (*)
+** MT2063_ACRF_MAX RF attenuator limit (*)
+** MT2063_ACFIF_MAX FIF attenuator limit (*)
+** MT2063_DNC_OUTPUT_ENABLE DNC output selection
+** MT2063_VGAGC VGA gain code
+** MT2063_VGAOI VGA output current
+** MT2063_TAGC TAGC setting
+** MT2063_AMPGC AMP gain code
+** MT2063_AVOID_DECT Avoid DECT Frequencies
+** MT2063_CTFILT_SW Cleartune filter selection
+**
+** (*) This parameter is set by MT2063_RCVR_MODE, do not call
+** additionally.
+**
+** Usage: status |= MT2063_SetParam(hMT2063,
+** MT2063_STEPSIZE,
+** 50000);
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Null pointer argument passed
+** MT_ARG_RANGE - Invalid parameter requested
+** or set value out of range
+** or non-writable parameter
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** See Also: MT2063_GetParam, MT2063_Open
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 154 09-13-2007 RSK Ver 1.05: Get/SetParam changes for LOx_FREQ
+** 10-31-2007 PINZ Ver 1.08: Get/SetParam add VGAGC, VGAOI, AMPGC, TAGC
+** 04-18-2008 PINZ Ver 1.15: Add SetParam LNARIN & PDxTGT
+** Split SetParam up to ACLNA / ACLNA_MAX
+** removed ACLNA_INRC/DECR (+RF & FIF)
+** removed GCUAUTO / BYPATNDN/UP
+** 175 I 06-06-2008 PINZ Ver 1.16: Add control to avoid US DECT freqs.
+** 175 I 06-19-2008 RSK Ver 1.17: Refactor DECT control to SpurAvoid.
+** 06-24-2008 PINZ Ver 1.18: Add Get/SetParam CTFILT_SW
+**
+****************************************************************************/
+UData_t MT2063_SetParam(Handle_t h,
+ enum MT2063_Param param,
+ UData_t nValue)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ U8Data val=0;
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status |= MT2063_INV_HANDLE;
+
+ if (MT2063_NO_ERROR(status))
+ {
+ switch (param)
+ {
+ /* crystal frequency */
+ case MT2063_SRO_FREQ:
+ pInfo->AS_Data.f_ref = nValue;
+ pInfo->AS_Data.f_LO1_FracN_Avoid = 0;
+ pInfo->AS_Data.f_LO2_FracN_Avoid = nValue / 80 - 1;
+ pInfo->AS_Data.f_LO1_Step = nValue / 64;
+ pInfo->AS_Data.f_if1_Center = (pInfo->AS_Data.f_ref / 8) * (pInfo->reg[MT2063_REG_FIFFC] + 640);
+ break;
+
+ /* minimum tuning step size */
+ case MT2063_STEPSIZE:
+ pInfo->AS_Data.f_LO2_Step = nValue;
+ break;
+
+
+ /* LO1 frequency */
+ case MT2063_LO1_FREQ:
+ {
+ /* Note: LO1 and LO2 are BOTH written at toggle of LDLOos */
+ /* Capture the Divider and Numerator portions of other LO */
+ U8Data tempLO2CQ[3];
+ U8Data tempLO2C[3];
+ U8Data tmpOneShot;
+ UData_t Div, FracN;
+ U8Data restore = 0;
+
+ /* Buffer the queue for restoration later and get actual LO2 values. */
+ status |= MT2063_ReadSub (pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_1, &(tempLO2CQ[0]), 3);
+ status |= MT2063_ReadSub (pInfo->hUserData, pInfo->address, MT2063_REG_LO2C_1, &(tempLO2C[0]), 3);
+
+ /* clear the one-shot bits */
+ tempLO2CQ[2] = tempLO2CQ[2] & 0x0F;
+ tempLO2C[2] = tempLO2C[2] & 0x0F;
+
+ /* only write the queue values if they are different from the actual. */
+ if( ( tempLO2CQ[0] != tempLO2C[0] ) ||
+ ( tempLO2CQ[1] != tempLO2C[1] ) ||
+ ( tempLO2CQ[2] != tempLO2C[2] ) )
+ {
+ /* put actual LO2 value into queue (with 0 in one-shot bits) */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_1, &(tempLO2C[0]), 3);
+
+ if( status == MT2063_OK )
+ {
+ /* cache the bytes just written. */
+ pInfo->reg[MT2063_REG_LO2CQ_1] = tempLO2C[0];
+ pInfo->reg[MT2063_REG_LO2CQ_2] = tempLO2C[1];
+ pInfo->reg[MT2063_REG_LO2CQ_3] = tempLO2C[2];
+ }
+ restore = 1;
+ }
+
+ /* Calculate the Divider and Numberator components of LO1 */
+ status = MT2063_CalcLO1Mult(&Div, &FracN, nValue, pInfo->AS_Data.f_ref/64, pInfo->AS_Data.f_ref);
+ pInfo->reg[MT2063_REG_LO1CQ_1] = (U8Data)(Div & 0x00FF);
+ pInfo->reg[MT2063_REG_LO1CQ_2] = (U8Data)(FracN);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &pInfo->reg[MT2063_REG_LO1CQ_1], 2);
+
+ /* set the one-shot bit to load the pair of LO values */
+ tmpOneShot = tempLO2CQ[2] | 0xE0;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_3, &tmpOneShot, 1);
+
+ /* only restore the queue values if they were different from the actual. */
+ if( restore )
+ {
+ /* put actual LO2 value into queue (0 in one-shot bits) */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_1, &(tempLO2CQ[0]), 3);
+
+ /* cache the bytes just written. */
+ pInfo->reg[MT2063_REG_LO2CQ_1] = tempLO2CQ[0];
+ pInfo->reg[MT2063_REG_LO2CQ_2] = tempLO2CQ[1];
+ pInfo->reg[MT2063_REG_LO2CQ_3] = tempLO2CQ[2];
+ }
+
+ MT2063_GetParam( pInfo->hUserData, MT2063_LO1_FREQ, &pInfo->AS_Data.f_LO1 );
+ }
+ break;
+
+ /* LO1 minimum step size */
+ case MT2063_LO1_STEPSIZE:
+ pInfo->AS_Data.f_LO1_Step = nValue;
+ break;
+
+ /* LO1 FracN keep-out region */
+ case MT2063_LO1_FRACN_AVOID_PARAM:
+ pInfo->AS_Data.f_LO1_FracN_Avoid = nValue;
+ break;
+
+ /* Requested 1st IF */
+ case MT2063_IF1_REQUEST:
+ pInfo->AS_Data.f_if1_Request = nValue;
+ break;
+
+ /* zero-IF bandwidth */
+ case MT2063_ZIF_BW:
+ pInfo->AS_Data.f_zif_bw = nValue;
+ break;
+
+ /* LO2 frequency */
+ case MT2063_LO2_FREQ:
+ {
+ /* Note: LO1 and LO2 are BOTH written at toggle of LDLOos */
+ /* Capture the Divider and Numerator portions of other LO */
+ U8Data tempLO1CQ[2];
+ U8Data tempLO1C[2];
+ UData_t Div2;
+ UData_t FracN2;
+ U8Data tmpOneShot;
+ U8Data restore = 0;
+
+ /* Buffer the queue for restoration later and get actual LO2 values. */
+ status |= MT2063_ReadSub (pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &(tempLO1CQ[0]), 2);
+ status |= MT2063_ReadSub (pInfo->hUserData, pInfo->address, MT2063_REG_LO1C_1, &(tempLO1C[0]), 2);
+
+ /* only write the queue values if they are different from the actual. */
+ if( (tempLO1CQ[0] != tempLO1C[0]) || (tempLO1CQ[1] != tempLO1C[1]) )
+ {
+ /* put actual LO1 value into queue */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &(tempLO1C[0]), 2);
+
+ /* cache the bytes just written. */
+ pInfo->reg[MT2063_REG_LO1CQ_1] = tempLO1C[0];
+ pInfo->reg[MT2063_REG_LO1CQ_2] = tempLO1C[1];
+ restore = 1;
+ }
+
+ /* Calculate the Divider and Numberator components of LO2 */
+ status = MT2063_CalcLO2Mult(&Div2, &FracN2, nValue, pInfo->AS_Data.f_ref/8191, pInfo->AS_Data.f_ref);
+ pInfo->reg[MT2063_REG_LO2CQ_1] = (U8Data)((Div2 << 1) | ((FracN2 >> 12) & 0x01) ) & 0xFF;
+ pInfo->reg[MT2063_REG_LO2CQ_2] = (U8Data)((FracN2 >> 4) & 0xFF);
+ pInfo->reg[MT2063_REG_LO2CQ_3] = (U8Data)((FracN2 & 0x0F) );
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &pInfo->reg[MT2063_REG_LO1CQ_1], 3);
+
+ /* set the one-shot bit to load the LO values */
+ tmpOneShot = pInfo->reg[MT2063_REG_LO2CQ_3] | 0xE0;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_3, &tmpOneShot, 1);
+
+ /* only restore LO1 queue value if they were different from the actual. */
+ if( restore )
+ {
+ /* put previous LO1 queue value back into queue */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &(tempLO1CQ[0]), 2);
+
+ /* cache the bytes just written. */
+ pInfo->reg[MT2063_REG_LO1CQ_1] = tempLO1CQ[0];
+ pInfo->reg[MT2063_REG_LO1CQ_2] = tempLO1CQ[1];
+ }
+
+ MT2063_GetParam( pInfo->hUserData, MT2063_LO2_FREQ, &pInfo->AS_Data.f_LO2 );
+ }
+ break;
+
+ /* LO2 minimum step size */
+ case MT2063_LO2_STEPSIZE:
+ pInfo->AS_Data.f_LO2_Step = nValue;
+ break;
+
+ /* LO2 FracN keep-out region */
+ case MT2063_LO2_FRACN_AVOID:
+ pInfo->AS_Data.f_LO2_FracN_Avoid = nValue;
+ break;
+
+ /* output center frequency */
+ case MT2063_OUTPUT_FREQ:
+ pInfo->AS_Data.f_out = nValue;
+ break;
+
+ /* output bandwidth */
+ case MT2063_OUTPUT_BW:
+ pInfo->AS_Data.f_out_bw = nValue + 750000;
+ break;
+
+ /* min inter-tuner LO separation */
+ case MT2063_LO_SEPARATION:
+ pInfo->AS_Data.f_min_LO_Separation = nValue;
+ break;
+
+ /* max # of intra-tuner harmonics */
+ case MT2063_MAX_HARM1:
+ pInfo->AS_Data.maxH1 = nValue;
+ break;
+
+ /* max # of inter-tuner harmonics */
+ case MT2063_MAX_HARM2:
+ pInfo->AS_Data.maxH2 = nValue;
+ break;
+
+ case MT2063_RCVR_MODE:
+ status |= MT2063_SetReceiverMode(pInfo, (enum MT2063_RCVR_MODES)nValue);
+ break;
+
+ /* Set LNA Rin -- nValue is desired value */
+ case MT2063_LNA_RIN:
+ val = ( pInfo->reg[MT2063_REG_CTRL_2C] & (U8Data)~0x03) | (nValue & 0x03);
+ if( pInfo->reg[MT2063_REG_CTRL_2C] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_CTRL_2C, val);
+ }
+ break;
+
+ /* Set target power level at LNA -- nValue is desired value */
+ case MT2063_LNA_TGT:
+ val = ( pInfo->reg[MT2063_REG_LNA_TGT] & (U8Data)~0x3F) | (nValue & 0x3F);
+ if( pInfo->reg[MT2063_REG_LNA_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_LNA_TGT, val);
+ }
+ break;
+
+ /* Set target power level at PD1 -- nValue is desired value */
+ case MT2063_PD1_TGT:
+ val = ( pInfo->reg[MT2063_REG_PD1_TGT] & (U8Data)~0x3F) | (nValue & 0x3F);
+ if( pInfo->reg[MT2063_REG_PD1_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_PD1_TGT, val);
+ }
+ break;
+
+ /* Set target power level at PD2 -- nValue is desired value */
+ case MT2063_PD2_TGT:
+ val = ( pInfo->reg[MT2063_REG_PD2_TGT] & (U8Data)~0x3F) | (nValue & 0x3F);
+ if( pInfo->reg[MT2063_REG_PD2_TGT] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_PD2_TGT, val);
+ }
+ break;
+
+ /* Set LNA atten limit -- nValue is desired value */
+ case MT2063_ACLNA_MAX:
+ val = ( pInfo->reg[MT2063_REG_LNA_OV] & (U8Data)~0x1F) | (nValue & 0x1F);
+ if( pInfo->reg[MT2063_REG_LNA_OV] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_LNA_OV, val);
+ }
+ break;
+
+ /* Set RF atten limit -- nValue is desired value */
+ case MT2063_ACRF_MAX:
+ val = ( pInfo->reg[MT2063_REG_RF_OV] & (U8Data)~0x1F) | (nValue & 0x1F);
+ if( pInfo->reg[MT2063_REG_RF_OV] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_RF_OV, val);
+ }
+ break;
+
+ /* Set FIF atten limit -- nValue is desired value, max. 5 if no B3 */
+ case MT2063_ACFIF_MAX:
+ if ( pInfo->reg[MT2063_REG_PART_REV] != MT2063_B3 && nValue > 5)
+ nValue = 5;
+ val = ( pInfo->reg[MT2063_REG_FIF_OV] & (U8Data)~0x1F) | (nValue & 0x1F);
+ if( pInfo->reg[MT2063_REG_FIF_OV] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_FIF_OV, val);
+ }
+ break;
+
+ case MT2063_DNC_OUTPUT_ENABLE:
+ /* selects, which DNC output is used */
+ switch ((enum MT2063_DNC_Output_Enable)nValue)
+ {
+ case MT2063_DNC_NONE :
+ {
+ val = (pInfo->reg[MT2063_REG_DNC_GAIN] & 0xFC ) | 0x03; /* Set DNC1GC=3 */
+ if (pInfo->reg[MT2063_REG_DNC_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_DNC_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_VGA_GAIN] & 0xFC ) | 0x03; /* Set DNC2GC=3 */
+ if (pInfo->reg[MT2063_REG_VGA_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_VGA_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_RSVD_20] & ~0x40); /* Set PD2MUX=0 */
+ if (pInfo->reg[MT2063_REG_RSVD_20] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_RSVD_20, val);
+
+ break;
+ }
+ case MT2063_DNC_1 :
+ {
+ val = (pInfo->reg[MT2063_REG_DNC_GAIN] & 0xFC ) | (DNC1GC[pInfo->rcvr_mode] & 0x03); /* Set DNC1GC=x */
+ if (pInfo->reg[MT2063_REG_DNC_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_DNC_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_VGA_GAIN] & 0xFC ) | 0x03; /* Set DNC2GC=3 */
+ if (pInfo->reg[MT2063_REG_VGA_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_VGA_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_RSVD_20] & ~0x40); /* Set PD2MUX=0 */
+ if (pInfo->reg[MT2063_REG_RSVD_20] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_RSVD_20, val);
+
+ break;
+ }
+ case MT2063_DNC_2 :
+ {
+ val = (pInfo->reg[MT2063_REG_DNC_GAIN] & 0xFC ) | 0x03; /* Set DNC1GC=3 */
+ if (pInfo->reg[MT2063_REG_DNC_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_DNC_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_VGA_GAIN] & 0xFC ) | (DNC2GC[pInfo->rcvr_mode] & 0x03); /* Set DNC2GC=x */
+ if (pInfo->reg[MT2063_REG_VGA_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_VGA_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_RSVD_20] | 0x40); /* Set PD2MUX=1 */
+ if (pInfo->reg[MT2063_REG_RSVD_20] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_RSVD_20, val);
+
+ break;
+ }
+ case MT2063_DNC_BOTH :
+ {
+ val = (pInfo->reg[MT2063_REG_DNC_GAIN] & 0xFC ) | (DNC1GC[pInfo->rcvr_mode] & 0x03); /* Set DNC1GC=x */
+ if (pInfo->reg[MT2063_REG_DNC_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_DNC_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_VGA_GAIN] & 0xFC ) | (DNC2GC[pInfo->rcvr_mode] & 0x03); /* Set DNC2GC=x */
+ if (pInfo->reg[MT2063_REG_VGA_GAIN] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_VGA_GAIN, val);
+
+ val = (pInfo->reg[MT2063_REG_RSVD_20] | 0x40); /* Set PD2MUX=1 */
+ if (pInfo->reg[MT2063_REG_RSVD_20] != val)
+ status |= MT2063_SetReg(h, MT2063_REG_RSVD_20, val);
+
+ break;
+ }
+ default : break;
+ }
+ break;
+
+ case MT2063_VGAGC:
+ /* Set VGA gain code */
+ val = (pInfo->reg[MT2063_REG_VGA_GAIN] & (U8Data)~0x0C) | ( (nValue & 0x03) << 2);
+ if( pInfo->reg[MT2063_REG_VGA_GAIN] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_VGA_GAIN, val);
+ }
+ break;
+
+ case MT2063_VGAOI:
+ /* Set VGA bias current */
+ val = (pInfo->reg[MT2063_REG_RSVD_31] & (U8Data)~0x07) | (nValue & 0x07);
+ if( pInfo->reg[MT2063_REG_RSVD_31] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_RSVD_31, val);
+ }
+ break;
+
+ case MT2063_TAGC:
+ /* Set TAGC */
+ val = (pInfo->reg[MT2063_REG_RSVD_1E] & (U8Data)~0x03) | (nValue & 0x03);
+ if( pInfo->reg[MT2063_REG_RSVD_1E] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_RSVD_1E, val);
+ }
+ break;
+
+ case MT2063_AMPGC:
+ /* Set Amp gain code */
+ val = (pInfo->reg[MT2063_REG_TEMP_SEL] & (U8Data)~0x03) | (nValue & 0x03);
+ if( pInfo->reg[MT2063_REG_TEMP_SEL] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_TEMP_SEL, val);
+ }
+ break;
+
+ /* Avoid DECT Frequencies */
+ case MT2063_AVOID_DECT:
+ {
+ enum MT2063_DECT_Avoid_Type newAvoidSetting = (enum MT2063_DECT_Avoid_Type) nValue;
+ if( (newAvoidSetting >= MT2063_NO_DECT_AVOIDANCE) && (newAvoidSetting <= MT2063_AVOID_BOTH) )
+ {
+ pInfo->AS_Data.avoidDECT = newAvoidSetting;
+ }
+ }
+ break;
+
+ /* Cleartune filter selection: 0 - by IC (default), 1 - by software */
+ case MT2063_CTFILT_SW:
+ pInfo->ctfilt_sw = (nValue & 0x01);
+ break;
+
+ /* These parameters are read-only */
+ case MT2063_IC_ADDR:
+ case MT2063_MAX_OPEN:
+ case MT2063_NUM_OPEN:
+ case MT2063_INPUT_FREQ:
+ case MT2063_IF1_ACTUAL:
+ case MT2063_IF1_CENTER:
+ case MT2063_IF1_BW:
+ case MT2063_AS_ALG:
+ case MT2063_EXCL_ZONES:
+ case MT2063_SPUR_AVOIDED:
+ case MT2063_NUM_SPURS:
+ case MT2063_SPUR_PRESENT:
+ case MT2063_ACLNA:
+ case MT2063_ACRF:
+ case MT2063_ACFIF:
+ case MT2063_EOP:
+ default:
+ status |= MT2063_ARG_RANGE;
+ }
+ }
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_SetPowerMaskBits
+**
+** Description: Sets the power-down mask bits for various sections of
+** the MT2063
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Bits - Mask bits to be set.
+**
+** See definition of MT2063_Mask_Bits type for description
+** of each of the power bits.
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_SetPowerMaskBits(Handle_t h, enum MT2063_Mask_Bits Bits)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+ else
+ {
+ Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */
+ if ((Bits & 0xFF00) != 0)
+ {
+ pInfo->reg[MT2063_REG_PWR_2] |= (U8Data)((Bits & 0xFF00) >> 8);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_2, &pInfo->reg[MT2063_REG_PWR_2], 1);
+ }
+ if ((Bits & 0xFF) != 0)
+ {
+ pInfo->reg[MT2063_REG_PWR_1] |= ((U8Data)Bits & 0xFF);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_1, &pInfo->reg[MT2063_REG_PWR_1], 1);
+ }
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_ClearPowerMaskBits
+**
+** Description: Clears the power-down mask bits for various sections of
+** the MT2063
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Bits - Mask bits to be cleared.
+**
+** See definition of MT2063_Mask_Bits type for description
+** of each of the power bits.
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_ClearPowerMaskBits(Handle_t h, enum MT2063_Mask_Bits Bits)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+ else
+ {
+ Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */
+ if ((Bits & 0xFF00) != 0)
+ {
+ pInfo->reg[MT2063_REG_PWR_2] &= ~(U8Data)(Bits >> 8);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_2, &pInfo->reg[MT2063_REG_PWR_2], 1);
+ }
+ if ((Bits & 0xFF) != 0)
+ {
+ pInfo->reg[MT2063_REG_PWR_1] &= ~(U8Data)(Bits & 0xFF);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_1, &pInfo->reg[MT2063_REG_PWR_1], 1);
+ }
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_GetPowerMaskBits
+**
+** Description: Returns a mask of the enabled power shutdown bits
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Bits - Mask bits to currently set.
+**
+** See definition of MT2063_Mask_Bits type for description
+** of each of the power bits.
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_NULL - Output argument is NULL
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_GetPowerMaskBits(Handle_t h, enum MT2063_Mask_Bits *Bits)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+ else
+ {
+ if (Bits == NULL)
+ status |= MT2063_ARG_NULL;
+
+ if (MT2063_NO_ERROR(status))
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_1, &pInfo->reg[MT2063_REG_PWR_1], 2);
+
+ if (MT2063_NO_ERROR(status))
+ {
+ *Bits = (enum MT2063_Mask_Bits)(((SData_t)pInfo->reg[MT2063_REG_PWR_2] << 8) + pInfo->reg[MT2063_REG_PWR_1]);
+ *Bits = (enum MT2063_Mask_Bits)(*Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */
+ }
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_EnableExternalShutdown
+**
+** Description: Enables or disables the operation of the external
+** shutdown pin
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Enabled - 0 = disable the pin, otherwise enable it
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_EnableExternalShutdown(Handle_t h, U8Data Enabled)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+ else
+ {
+ if (Enabled == 0)
+ pInfo->reg[MT2063_REG_PWR_1] &= ~0x08; /* Turn off the bit */
+ else
+ pInfo->reg[MT2063_REG_PWR_1] |= 0x08; /* Turn the bit on */
+
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_1, &pInfo->reg[MT2063_REG_PWR_1], 1);
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_SoftwareShutdown
+**
+** Description: Enables or disables software shutdown function. When
+** Shutdown==1, any section whose power mask is set will be
+** shutdown.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Shutdown - 1 = shutdown the masked sections, otherwise
+** power all sections on
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_COMM_ERR - Serial bus communications error
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 01-03-2008 PINZ Ver 1.xx: Added a trigger of BYPATNUP for
+** correct wakeup of the LNA
+**
+****************************************************************************/
+UData_t MT2063_SoftwareShutdown(Handle_t h, U8Data Shutdown)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ {
+ status = MT2063_INV_HANDLE;
+ }
+ else
+ {
+ if (Shutdown == 1)
+ pInfo->reg[MT2063_REG_PWR_1] |= 0x04; /* Turn the bit on */
+ else
+ pInfo->reg[MT2063_REG_PWR_1] &= ~0x04; /* Turn off the bit */
+
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_PWR_1, &pInfo->reg[MT2063_REG_PWR_1], 1);
+
+ if (Shutdown != 1)
+ {
+ pInfo->reg[MT2063_REG_BYP_CTRL] = (pInfo->reg[MT2063_REG_BYP_CTRL] & 0x9F) | 0x40;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_BYP_CTRL, &pInfo->reg[MT2063_REG_BYP_CTRL], 1);
+ pInfo->reg[MT2063_REG_BYP_CTRL] = (pInfo->reg[MT2063_REG_BYP_CTRL] & 0x9F);
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_BYP_CTRL, &pInfo->reg[MT2063_REG_BYP_CTRL], 1);
+ }
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_SetExtSRO
+**
+** Description: Sets the external SRO driver.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** Ext_SRO_Setting - external SRO drive setting
+**
+** (default) MT2063_EXT_SRO_OFF - ext driver off
+** MT2063_EXT_SRO_BY_1 - ext driver = SRO frequency
+** MT2063_EXT_SRO_BY_2 - ext driver = SRO/2 frequency
+** MT2063_EXT_SRO_BY_4 - ext driver = SRO/4 frequency
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** The Ext_SRO_Setting settings default to OFF
+** Use this function if you need to override the default
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 189 S 05-13-2008 RSK Ver 1.16: Correct location for ExtSRO control.
+**
+****************************************************************************/
+UData_t MT2063_SetExtSRO(Handle_t h,
+ enum MT2063_Ext_SRO Ext_SRO_Setting)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status = MT2063_INV_HANDLE;
+ else
+ {
+ pInfo->reg[MT2063_REG_CTRL_2C] = (pInfo->reg[MT2063_REG_CTRL_2C] & 0x3F) | ((U8Data)Ext_SRO_Setting << 6);
+ status = MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_CTRL_2C, &pInfo->reg[MT2063_REG_CTRL_2C], 1);
+ }
+
+ return (status);
+}
+
+
+/****************************************************************************
+**
+** Name: MT2063_SetReg
+**
+** Description: Sets an MT2063 register.
+**
+** Parameters: h - Tuner handle (returned by MT2063_Open)
+** reg - MT2063 register/subaddress location
+** val - MT2063 register/subaddress value
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_COMM_ERR - Serial bus communications error
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_ARG_RANGE - Argument out of range
+**
+** Dependencies: USERS MUST CALL MT2063_Open() FIRST!
+**
+** Use this function if you need to override a default
+** register value
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+UData_t MT2063_SetReg(Handle_t h,
+ U8Data reg,
+ U8Data val)
+{
+ UData_t status = MT2063_OK; /* Status to be returned */
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ status |= MT2063_INV_HANDLE;
+
+ if (reg >= MT2063_REG_END_REGS)
+ status |= MT2063_ARG_RANGE;
+
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, reg, &val, 1);
+ if (MT2063_NO_ERROR(status))
+ pInfo->reg[reg] = val;
+ }
+
+ return (status);
+}
+
+
+static UData_t MT2063_Round_fLO(UData_t f_LO, UData_t f_LO_Step, UData_t f_ref)
+{
+ return f_ref * (f_LO / f_ref)
+ + f_LO_Step * (((f_LO % f_ref) + (f_LO_Step / 2)) / f_LO_Step);
+}
+
+
+/****************************************************************************
+**
+** Name: fLO_FractionalTerm
+**
+** Description: Calculates the portion contributed by FracN / denom.
+**
+** This function preserves maximum precision without
+** risk of overflow. It accurately calculates
+** f_ref * num / denom to within 1 HZ with fixed math.
+**
+** Parameters: num - Fractional portion of the multiplier
+** denom - denominator portion of the ratio
+** This routine successfully handles denom values
+** up to and including 2^18.
+** f_Ref - SRO frequency. This calculation handles
+** f_ref as two separate 14-bit fields.
+** Therefore, a maximum value of 2^28-1
+** may safely be used for f_ref. This is
+** the genesis of the magic number "14" and the
+** magic mask value of 0x03FFF.
+**
+** Returns: f_ref * num / denom
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+static UData_t MT2063_fLO_FractionalTerm( UData_t f_ref,
+ UData_t num,
+ UData_t denom )
+{
+ UData_t t1 = (f_ref >> 14) * num;
+ UData_t term1 = t1 / denom;
+ UData_t loss = t1 % denom;
+ UData_t term2 = ( ((f_ref & 0x00003FFF) * num + (loss<<14)) + (denom/2) ) / denom;
+ return ((term1 << 14) + term2);
+}
+
+
+/****************************************************************************
+**
+** Name: CalcLO1Mult
+**
+** Description: Calculates Integer divider value and the numerator
+** value for a FracN PLL.
+**
+** This function assumes that the f_LO and f_Ref are
+** evenly divisible by f_LO_Step.
+**
+** Parameters: Div - OUTPUT: Whole number portion of the multiplier
+** FracN - OUTPUT: Fractional portion of the multiplier
+** f_LO - desired LO frequency.
+** f_LO_Step - Minimum step size for the LO (in Hz).
+** f_Ref - SRO frequency.
+** f_Avoid - Range of PLL frequencies to avoid near
+** integer multiples of f_Ref (in Hz).
+**
+** Returns: Recalculated LO frequency.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+static UData_t MT2063_CalcLO1Mult(UData_t *Div,
+ UData_t *FracN,
+ UData_t f_LO,
+ UData_t f_LO_Step,
+ UData_t f_Ref)
+{
+ /* Calculate the whole number portion of the divider */
+ *Div = f_LO / f_Ref;
+
+ /* Calculate the numerator value (round to nearest f_LO_Step) */
+ *FracN = (64 * (((f_LO % f_Ref) + (f_LO_Step / 2)) / f_LO_Step) + (f_Ref / f_LO_Step / 2)) / (f_Ref / f_LO_Step);
+
+ return (f_Ref * (*Div)) + MT2063_fLO_FractionalTerm( f_Ref, *FracN, 64 );
+}
+
+
+/****************************************************************************
+**
+** Name: CalcLO2Mult
+**
+** Description: Calculates Integer divider value and the numerator
+** value for a FracN PLL.
+**
+** This function assumes that the f_LO and f_Ref are
+** evenly divisible by f_LO_Step.
+**
+** Parameters: Div - OUTPUT: Whole number portion of the multiplier
+** FracN - OUTPUT: Fractional portion of the multiplier
+** f_LO - desired LO frequency.
+** f_LO_Step - Minimum step size for the LO (in Hz).
+** f_Ref - SRO frequency.
+** f_Avoid - Range of PLL frequencies to avoid near
+** integer multiples of f_Ref (in Hz).
+**
+** Returns: Recalculated LO frequency.
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+**
+****************************************************************************/
+static UData_t MT2063_CalcLO2Mult(UData_t *Div,
+ UData_t *FracN,
+ UData_t f_LO,
+ UData_t f_LO_Step,
+ UData_t f_Ref)
+{
+ /* Calculate the whole number portion of the divider */
+ *Div = f_LO / f_Ref;
+
+ /* Calculate the numerator value (round to nearest f_LO_Step) */
+ *FracN = (8191 * (((f_LO % f_Ref) + (f_LO_Step / 2)) / f_LO_Step) + (f_Ref / f_LO_Step / 2)) / (f_Ref / f_LO_Step);
+
+ return (f_Ref * (*Div)) + MT2063_fLO_FractionalTerm( f_Ref, *FracN, 8191 );
+}
+
+/****************************************************************************
+**
+** Name: FindClearTuneFilter
+**
+** Description: Calculate the corrrect ClearTune filter to be used for
+** a given input frequency.
+**
+** Parameters: pInfo - ptr to tuner data structure
+** f_in - RF input center frequency (in Hz).
+**
+** Returns: ClearTune filter number (0-31)
+**
+** Dependencies: MUST CALL MT2064_Open BEFORE FindClearTuneFilter!
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 04-10-2008 PINZ Ver 1.14: Use software-controlled ClearTune
+** cross-over frequency values.
+**
+****************************************************************************/
+static UData_t FindClearTuneFilter(struct MT2063_Info_t* pInfo, UData_t f_in)
+{
+ UData_t RFBand;
+ UData_t idx; /* index loop */
+
+ /*
+ ** Find RF Band setting
+ */
+ RFBand = 31; /* def when f_in > all */
+ for (idx=0; idx<31; ++idx)
+ {
+ if (pInfo->CTFiltMax[idx] >= f_in)
+ {
+ RFBand = idx;
+ break;
+ }
+ }
+ return (RFBand);
+}
+
+
+
+/****************************************************************************
+**
+** Name: MT2063_Tune
+**
+** Description: Change the tuner's tuned frequency to RFin.
+**
+** Parameters: h - Open handle to the tuner (from MT2063_Open).
+** f_in - RF input center frequency (in Hz).
+**
+** Returns: status:
+** MT_OK - No errors
+** MT_INV_HANDLE - Invalid tuner handle
+** MT_UPC_UNLOCK - Upconverter PLL unlocked
+** MT_DNC_UNLOCK - Downconverter PLL unlocked
+** MT_COMM_ERR - Serial bus communications error
+** MT_SPUR_CNT_MASK - Count of avoided LO spurs
+** MT_SPUR_PRESENT - LO spur possible in output
+** MT_FIN_RANGE - Input freq out of range
+** MT_FOUT_RANGE - Output freq out of range
+** MT_UPC_RANGE - Upconverter freq out of range
+** MT_DNC_RANGE - Downconverter freq out of range
+**
+** Dependencies: MUST CALL MT2063_Open BEFORE MT2063_Tune!
+**
+** MT_ReadSub - Read data from the two-wire serial bus
+** MT_WriteSub - Write data to the two-wire serial bus
+** MT_Sleep - Delay execution for x milliseconds
+** MT2063_GetLocked - Checks to see if LO1 and LO2 are locked
+**
+** Revision History:
+**
+** SCR Date Author Description
+** -------------------------------------------------------------------------
+** 138 06-19-2007 DAD Ver 1.00: Initial, derived from mt2067_b.
+** 04-10-2008 PINZ Ver 1.05: Use software-controlled ClearTune
+** cross-over frequency values.
+** 175 I 16-06-2008 PINZ Ver 1.16: Add control to avoid US DECT freqs.
+** 175 I 06-19-2008 RSK Ver 1.17: Refactor DECT control to SpurAvoid.
+** 06-24-2008 PINZ Ver 1.18: Add Get/SetParam CTFILT_SW
+**
+****************************************************************************/
+UData_t MT2063_Tune(Handle_t h,
+ UData_t f_in) /* RF input center frequency */
+{
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+
+ UData_t status = MT2063_OK; /* status of operation */
+ UData_t LO1; /* 1st LO register value */
+ UData_t Num1; /* Numerator for LO1 reg. value */
+ UData_t f_IF1; /* 1st IF requested */
+ UData_t LO2; /* 2nd LO register value */
+ UData_t Num2; /* Numerator for LO2 reg. value */
+ UData_t ofLO1, ofLO2; /* last time's LO frequencies */
+ UData_t ofin, ofout; /* last time's I/O frequencies */
+ U8Data fiffc = 0x80; /* FIFF center freq from tuner */
+ UData_t fiffof; /* Offset from FIFF center freq */
+ const U8Data LO1LK = 0x80; /* Mask for LO1 Lock bit */
+ U8Data LO2LK = 0x08; /* Mask for LO2 Lock bit */
+ U8Data val;
+ UData_t RFBand;
+
+ /* Verify that the handle passed points to a valid tuner */
+ if (MT2063_IsValidHandle(pInfo) == 0)
+ return MT2063_INV_HANDLE;
+
+ /* Check the input and output frequency ranges */
+ if ((f_in < MT2063_MIN_FIN_FREQ) || (f_in > MT2063_MAX_FIN_FREQ))
+ status |= MT2063_FIN_RANGE;
+
+ if ((pInfo->AS_Data.f_out < MT2063_MIN_FOUT_FREQ) || (pInfo->AS_Data.f_out > MT2063_MAX_FOUT_FREQ))
+ status |= MT2063_FOUT_RANGE;
+
+ /*
+ ** Save original LO1 and LO2 register values
+ */
+ ofLO1 = pInfo->AS_Data.f_LO1;
+ ofLO2 = pInfo->AS_Data.f_LO2;
+ ofin = pInfo->AS_Data.f_in;
+ ofout = pInfo->AS_Data.f_out;
+
+ /*
+ ** Find and set RF Band setting
+ */
+ if (pInfo->ctfilt_sw == 1)
+ {
+ val = ( pInfo->reg[MT2063_REG_CTUNE_CTRL] | 0x08 );
+ if( pInfo->reg[MT2063_REG_CTUNE_CTRL] != val )
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_CTUNE_CTRL, val);
+ }
+ val = pInfo->reg[MT2063_REG_CTUNE_OV];
+ RFBand = FindClearTuneFilter(pInfo, f_in);
+ pInfo->reg[MT2063_REG_CTUNE_OV] = (U8Data)((pInfo->reg[MT2063_REG_CTUNE_OV] & ~0x1F)
+ | RFBand);
+ if (pInfo->reg[MT2063_REG_CTUNE_OV] != val)
+ {
+ status |= MT2063_SetReg(pInfo, MT2063_REG_CTUNE_OV, val);
+ }
+ }
+
+ /*
+ ** Read the FIFF Center Frequency from the tuner
+ */
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_ReadSub(pInfo->hUserData, pInfo->address, MT2063_REG_FIFFC, &pInfo->reg[MT2063_REG_FIFFC], 1);
+ fiffc = pInfo->reg[MT2063_REG_FIFFC];
+ }
+ /*
+ ** Assign in the requested values
+ */
+ pInfo->AS_Data.f_in = f_in;
+ /* Request a 1st IF such that LO1 is on a step size */
+ pInfo->AS_Data.f_if1_Request = MT2063_Round_fLO(pInfo->AS_Data.f_if1_Request + f_in, pInfo->AS_Data.f_LO1_Step, pInfo->AS_Data.f_ref) - f_in;
+
+ /*
+ ** Calculate frequency settings. f_IF1_FREQ + f_in is the
+ ** desired LO1 frequency
+ */
+ MT2063_ResetExclZones(&pInfo->AS_Data);
+
+ f_IF1 = MT2063_ChooseFirstIF(&pInfo->AS_Data);
+
+ pInfo->AS_Data.f_LO1 = MT2063_Round_fLO(f_IF1 + f_in, pInfo->AS_Data.f_LO1_Step, pInfo->AS_Data.f_ref);
+
+ pInfo->AS_Data.f_LO2 = MT2063_Round_fLO(pInfo->AS_Data.f_LO1 - pInfo->AS_Data.f_out - f_in, pInfo->AS_Data.f_LO2_Step, pInfo->AS_Data.f_ref);
+
+ /*
+ ** Check for any LO spurs in the output bandwidth and adjust
+ ** the LO settings to avoid them if needed
+ */
+ status |= MT2063_AvoidSpurs(h, &pInfo->AS_Data);
+ /*
+ ** MT_AvoidSpurs spurs may have changed the LO1 & LO2 values.
+ ** Recalculate the LO frequencies and the values to be placed
+ ** in the tuning registers.
+ */
+ pInfo->AS_Data.f_LO1 = MT2063_CalcLO1Mult(&LO1, &Num1, pInfo->AS_Data.f_LO1, pInfo->AS_Data.f_LO1_Step, pInfo->AS_Data.f_ref);
+ pInfo->AS_Data.f_LO2 = MT2063_Round_fLO(pInfo->AS_Data.f_LO1 - pInfo->AS_Data.f_out - f_in, pInfo->AS_Data.f_LO2_Step, pInfo->AS_Data.f_ref);
+ pInfo->AS_Data.f_LO2 = MT2063_CalcLO2Mult(&LO2, &Num2, pInfo->AS_Data.f_LO2, pInfo->AS_Data.f_LO2_Step, pInfo->AS_Data.f_ref);
+
+
+ /*
+ ** Check the upconverter and downconverter frequency ranges
+ */
+ if ((pInfo->AS_Data.f_LO1 < MT2063_MIN_UPC_FREQ) || (pInfo->AS_Data.f_LO1 > MT2063_MAX_UPC_FREQ))
+ status |= MT2063_UPC_RANGE;
+ if ((pInfo->AS_Data.f_LO2 < MT2063_MIN_DNC_FREQ) || (pInfo->AS_Data.f_LO2 > MT2063_MAX_DNC_FREQ))
+ status |= MT2063_DNC_RANGE;
+ /* LO2 Lock bit was in a different place for B0 version */
+ if (pInfo->tuner_id == MT2063_B0)
+ LO2LK = 0x40;
+
+ /*
+ ** If we have the same LO frequencies and we're already locked,
+ ** then skip re-programming the LO registers.
+ */
+ if ((ofLO1 != pInfo->AS_Data.f_LO1)
+ || (ofLO2 != pInfo->AS_Data.f_LO2)
+ || ((pInfo->reg[MT2063_REG_LO_STATUS] & (LO1LK | LO2LK)) != (LO1LK | LO2LK)))
+ {
+ /*
+ ** Calculate the FIFFOF register value
+ **
+ ** IF1_Actual
+ ** FIFFOF = ------------ - 8 * FIFFC - 4992
+ ** f_ref/64
+ */
+ fiffof = (pInfo->AS_Data.f_LO1 - f_in) / (pInfo->AS_Data.f_ref / 64) - 8 * (UData_t)fiffc - 4992;
+ if (fiffof > 0xFF)
+ fiffof = 0xFF;
+
+ /*
+ ** Place all of the calculated values into the local tuner
+ ** register fields.
+ */
+ if (MT2063_NO_ERROR(status))
+ {
+ pInfo->reg[MT2063_REG_LO1CQ_1] = (U8Data)(LO1 & 0xFF); /* DIV1q */
+ pInfo->reg[MT2063_REG_LO1CQ_2] = (U8Data)(Num1 & 0x3F); /* NUM1q */
+ pInfo->reg[MT2063_REG_LO2CQ_1] = (U8Data)(((LO2 & 0x7F) << 1) /* DIV2q */
+ | (Num2 >> 12)); /* NUM2q (hi) */
+ pInfo->reg[MT2063_REG_LO2CQ_2] = (U8Data)((Num2 & 0x0FF0) >> 4); /* NUM2q (mid) */
+ pInfo->reg[MT2063_REG_LO2CQ_3] = (U8Data)(0xE0 | (Num2 & 0x000F)); /* NUM2q (lo) */
+
+ /*
+ ** Now write out the computed register values
+ ** IMPORTANT: There is a required order for writing
+ ** (0x05 must follow all the others).
+ */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO1CQ_1, &pInfo->reg[MT2063_REG_LO1CQ_1], 5); /* 0x01 - 0x05 */
+ if (pInfo->tuner_id == MT2063_B0)
+ {
+ /* Re-write the one-shot bits to trigger the tune operation */
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_LO2CQ_3, &pInfo->reg[MT2063_REG_LO2CQ_3], 1); /* 0x05 */
+ }
+ /* Write out the FIFF offset only if it's changing */
+ if (pInfo->reg[MT2063_REG_FIFF_OFFSET] != (U8Data)fiffof)
+ {
+ pInfo->reg[MT2063_REG_FIFF_OFFSET] = (U8Data)fiffof;
+ status |= MT2063_WriteSub(pInfo->hUserData, pInfo->address, MT2063_REG_FIFF_OFFSET, &pInfo->reg[MT2063_REG_FIFF_OFFSET], 1);
+ }
+ }
+
+ /*
+ ** Check for LO's locking
+ */
+
+
+ if (MT2063_NO_ERROR(status))
+ {
+ status |= MT2063_GetLocked(h);
+ }
+ /*
+ ** If we locked OK, assign calculated data to MT2063_Info_t structure
+ */
+ if (MT2063_NO_ERROR(status))
+ {
+ pInfo->f_IF1_actual = pInfo->AS_Data.f_LO1 - f_in;
+ }
+ }
+
+ return (status);
+}
+
+UData_t MT_Tune_atv(Handle_t h, UData_t f_in, UData_t bw_in, enum MTTune_atv_standard tv_type)
+{
+
+ UData_t status = MT2063_OK;
+ struct MT2063_Info_t* pInfo = (struct MT2063_Info_t*) h;
+ struct dvb_frontend *fe = (struct dvb_frontend *)pInfo->hUserData;
+ struct mt2063_state *state = fe->tuner_priv;
+
+ SData_t pict_car = 0;
+ SData_t pict2chanb_vsb = 0;
+ SData_t pict2chanb_snd = 0;
+ SData_t pict2snd1 = 0;
+ SData_t pict2snd2 = 0;
+ SData_t ch_bw = 0;
+
+ SData_t if_mid = 0;
+ SData_t rcvr_mode =0;
+ UData_t mode_get =0;
+
+
+ switch (tv_type) {
+ case MTTUNEA_PAL_B : {
+ pict_car = 38900000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 5500000;
+ pict2snd2 = 5742000;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_PAL_G : {
+ pict_car = 38900000;
+ ch_bw = 7000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 5500000;
+ pict2snd2 = 0;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_PAL_I : {
+ pict_car = 38900000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 6000000;
+ pict2snd2 = 0;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_PAL_L : {
+ pict_car = 38900000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 6500000;
+ pict2snd2 = 0;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_PAL_MN : {
+ pict_car = 38900000;
+ ch_bw = 6000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 4500000;
+ pict2snd2 = 0;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_PAL_DK : {
+ pict_car = 38900000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -1250000;
+ pict2snd1 = 6500000;
+ pict2snd2 = 0;
+ rcvr_mode =1;
+ break;
+ }
+ case MTTUNEA_DIGITAL : {
+ pict_car = 36125000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -(ch_bw/2);
+ pict2snd1 = 0;
+ pict2snd2 = 0;
+ rcvr_mode = 2;
+ break;
+ }
+ case MTTUNEA_FMRADIO : {
+ pict_car = 38900000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -(ch_bw/2);
+ pict2snd1 = 0;
+ pict2snd2 = 0;
+ rcvr_mode =4;
+ //f_in -= 2900000;
+ break;
+ }
+ case MTTUNEA_DVBC : {
+ pict_car = 36125000;
+ ch_bw = 8000000;
+ pict2chanb_vsb = -(ch_bw/2);
+ pict2snd1 = 0;
+ pict2snd2 = 0;
+ rcvr_mode = MT2063_CABLE_QAM;
+ break;
+ }
+ case MTTUNEA_DVBT : {
+ pict_car = 36125000;
+ ch_bw = bw_in;//8000000
+ pict2chanb_vsb = -(ch_bw/2);
+ pict2snd1 = 0;
+ pict2snd2 = 0;
+ rcvr_mode = MT2063_OFFAIR_COFDM;
+ break;
+ }
+ case MTTUNEA_UNKNOWN : break;
+ default : break;
+ }
+
+ pict2chanb_snd = pict2chanb_vsb - ch_bw;
+ if_mid = pict_car - (pict2chanb_vsb + (ch_bw/2) );
+
+ status |= MT2063_SetParam(h,MT2063_STEPSIZE,125000);
+ status |= MT2063_SetParam(h,MT2063_OUTPUT_FREQ,if_mid);
+ status |= MT2063_SetParam(h,MT2063_OUTPUT_BW,ch_bw);
+ status |=MT2063_GetParam(h,MT2063_RCVR_MODE,&mode_get);
+
+ status |= MT2063_SetParam(h,MT2063_RCVR_MODE,rcvr_mode);
+ status |= MT2063_Tune(h,( f_in + (pict2chanb_vsb + (ch_bw/2) ) ) );
+ status |=MT2063_GetParam(h,MT2063_RCVR_MODE,&mode_get);
+
+ return (UData_t)status;
+}
+
+
+static int mt2063_init(struct dvb_frontend *fe)
+{
+ UData_t status = MT2063_ERROR;
+ struct mt2063_state *state = fe->tuner_priv;
+
+ status = MT2063_Open(0xC0, &(state->MT2063_ht), fe);
+ status |= MT2063_SoftwareShutdown(state->MT2063_ht, 1);
+ status |= MT2063_ClearPowerMaskBits(state->MT2063_ht, MT2063_ALL_SD);
+
+ if(MT2063_OK != status)
+ {
+ printk("%s %d error status = 0x%x!!\n", __func__, __LINE__, status);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int mt2063_sleep(struct dvb_frontend *fe)
+{ + /* TODO: power down */ + return 0; +} +
+static int mt2063_get_status(struct dvb_frontend *fe, u32 *status)
+{ + int rc = 0;
+
+ //get tuner lock status
+
+ return rc;
+} +
+
+static int mt2063_get_state(struct dvb_frontend *fe,
+ enum tuner_param param, + struct tuner_state *state) +{
+ struct mt2063_state *mt2063State = fe->tuner_priv;
+
+ switch (param) { + case DVBFE_TUNER_FREQUENCY: + //get frequency
+ break; + case DVBFE_TUNER_TUNERSTEP: + break; + case DVBFE_TUNER_IFFREQ: + break; + case DVBFE_TUNER_BANDWIDTH: + //get bandwidth
+ break; + case DVBFE_TUNER_REFCLOCK:
+ state->refclock = (u32_t)MT2063_GetLocked((Handle_t)(mt2063State->MT2063_ht));
+ break; + default: + break; + } + + return (int)state->refclock;
+}
+
+static int mt2063_set_state(struct dvb_frontend *fe,
+ enum tuner_param param, + struct tuner_state *state) +{ + struct mt2063_state *mt2063State = fe->tuner_priv;
+ UData_t status = MT2063_OK;
+
+ switch (param) { + case DVBFE_TUNER_FREQUENCY: + //set frequency
+
+ status = MT_Tune_atv((Handle_t)(mt2063State->MT2063_ht), state->frequency, state->bandwidth, mt2063State->tv_type);
+
+ mt2063State->frequency = state->frequency;
+ break; + case DVBFE_TUNER_TUNERSTEP: + break; + case DVBFE_TUNER_IFFREQ: + break; + case DVBFE_TUNER_BANDWIDTH: + //set bandwidth
+ mt2063State->bandwidth = state->bandwidth;
+ break; + case DVBFE_TUNER_REFCLOCK:
+
+ break;
+ case DVBFE_TUNER_OPEN:
+ status = MT2063_Open(MT2063_I2C, &(mt2063State->MT2063_ht), fe);
+ break;
+ case DVBFE_TUNER_SOFTWARE_SHUTDOWN:
+ status = MT2063_SoftwareShutdown(mt2063State->MT2063_ht, 1);
+ break;
+ case DVBFE_TUNER_CLEAR_POWER_MASKBITS:
+ status = MT2063_ClearPowerMaskBits(mt2063State->MT2063_ht, MT2063_ALL_SD);
+ break;
+ default: + break; + } + + return (int)status;
+}
+
+static int mt2063_release(struct dvb_frontend *fe)
+{ + struct mt2063_state *state = fe->tuner_priv;
+ + fe->tuner_priv = NULL; + kfree(state); + + return 0; +}
+
+static struct dvb_tuner_ops mt2063_ops = {
+ .info = { + .name = "MT2063 Silicon Tuner",
+ .frequency_min = 45000000,
+ .frequency_max = 850000000,
+ .frequency_step = 0, + }, + + .init = mt2063_init,
+ .sleep = mt2063_sleep,
+ .get_status = mt2063_get_status,
+ .get_state = mt2063_get_state,
+ .set_state = mt2063_set_state,
+ .release = mt2063_release
+}; + +struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
+ struct mt2063_config *config,
+ struct i2c_adapter *i2c) +{ + struct mt2063_state *state = NULL;
+ + state = kzalloc(sizeof (struct mt2063_state), GFP_KERNEL);
+ if (state == NULL) + goto error; + + state->config = config; + state->i2c = i2c; + state->frontend = fe; + state->reference = config->refclock / 1000; /* kHz */
+ state->MT2063_init = FALSE;
+ fe->tuner_priv = state; + fe->ops.tuner_ops = mt2063_ops;
+ + printk("%s: Attaching MT2063 \n", __func__);
+ return fe; + +error: + kfree(state); + return NULL; +} + +
+ +EXPORT_SYMBOL(mt2063_attach);
+MODULE_PARM_DESC(verbose, "Set Verbosity level"); + +MODULE_AUTHOR("Henry");
+MODULE_DESCRIPTION("MT2063 Silicon tuner");
+MODULE_LICENSE("GPL");
+
+
+
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