From: Stefan Ringel <[email protected]>
Signed-off-by: Stefan Ringel <[email protected]>
---
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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