[PATCH 04/22] mt2063: remove dect

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From: Stefan Ringel <linuxtv@xxxxxxxxxxxxxxx>

Signed-off-by: Stefan Ringel <linuxtv@xxxxxxxxxxxxxxx>
---
 drivers/media/common/tuners/mt2063.c |  190 ----------------------------------
 1 files changed, 0 insertions(+), 190 deletions(-)

diff --git a/drivers/media/common/tuners/mt2063.c b/drivers/media/common/tuners/mt2063.c
index d5a9dd9..a79e4ef 100644
--- a/drivers/media/common/tuners/mt2063.c
+++ b/drivers/media/common/tuners/mt2063.c
@@ -363,200 +363,17 @@ static int MT2063_Sleep(struct dvb_frontend *fe)
 	return 0;
 }
 
-/*
- * Microtune spur avoidance
- */
-
-/*  Implement ceiling, floor functions.  */
-#define ceil(n, d) (((n) < 0) ? (-((-(n))/(d))) : (n)/(d) + ((n)%(d) != 0))
-#define floor(n, d) (((n) < 0) ? (-((-(n))/(d))) - ((n)%(d) != 0) : (n)/(d))
-
-struct MT2063_FIFZone_t {
-	s32 min_;
-	s32 max_;
-};
-
-static struct MT2063_ExclZone_t *InsertNode(struct MT2063_AvoidSpursData_t
-					    *pAS_Info,
-					    struct MT2063_ExclZone_t *pPrevNode)
 {
-	struct MT2063_ExclZone_t *pNode;
 
-	dprintk(2, "\n");
-
-	/*  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_;
-
-	dprintk(2, "\n");
-
-	/*  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;
-}
-
-/*
- * MT_AddExclZone()
- *
- * 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.
- */
-static void MT2063_AddExclZone(struct MT2063_AvoidSpursData_t *pAS_Info,
-			       u32 f_min, u32 f_max)
-{
-	struct MT2063_ExclZone_t *pNode = pAS_Info->usedZones;
-	struct MT2063_ExclZone_t *pPrev = NULL;
-	struct MT2063_ExclZone_t *pNext = NULL;
-
-	dprintk(2, "\n");
-
-	/*  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_;
-			/*  Remove pNext, return ptr to pNext->next  */
-			pNext = RemoveNode(pAS_Info, pNode, pNext);
-		}
 	}
 }
 
-/*
- *  Reset all exclusion zones.
- *  Add zones to protect the PLL FracN regions near zero
- */
-static void MT2063_ResetExclZones(struct MT2063_AvoidSpursData_t *pAS_Info)
 {
-	u32 center;
 
-	dprintk(2, "\n");
 
-	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 */
-	}
-}
 
 /*
  * MT_ChooseFirstIF - Choose the best available 1st IF
@@ -859,8 +676,6 @@ static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
 		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);
@@ -1617,11 +1432,6 @@ static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in)
 			     state->AS_Data.f_LO1_Step,
 			     state->AS_Data.f_ref) - f_in;
 
-	/*
-	 * Calculate frequency settings.  f_IF1_FREQ + f_in is the
-	 * desired LO1 frequency
-	 */
-	MT2063_ResetExclZones(&state->AS_Data);
 
 	f_IF1 = MT2063_ChooseFirstIF(&state->AS_Data);
 
-- 
1.7.7.6

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