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path: root/drivers/staging/vt6655/baseband.c
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Diffstat (limited to 'drivers/staging/vt6655/baseband.c')
-rw-r--r--drivers/staging/vt6655/baseband.c343
1 files changed, 2 insertions, 341 deletions
diff --git a/drivers/staging/vt6655/baseband.c b/drivers/staging/vt6655/baseband.c
index f8c5fc371c4c..565ba189afb2 100644
--- a/drivers/staging/vt6655/baseband.c
+++ b/drivers/staging/vt6655/baseband.c
@@ -27,7 +27,8 @@
*
* Functions:
* BBuGetFrameTime - Calculate data frame transmitting time
- * BBvCaculateParameter - Caculate PhyLength, PhyService and Phy Signal parameter for baseband Tx
+ * BBvCaculateParameter - Caculate PhyLength, PhyService and Phy Signal
+ * parameter for baseband Tx
* BBbReadEmbedded - Embedded read baseband register via MAC
* BBbWriteEmbedded - Embedded write baseband register via MAC
* BBbVT3253Init - VIA VT3253 baseband chip init code
@@ -1698,46 +1699,6 @@ static const unsigned short awcFrameTime[MAX_RATE] = {
10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216
};
-/*--------------------- Static Functions --------------------------*/
-
-static
-unsigned long
-s_ulGetRatio(struct vnt_private *priv);
-
-static
-void
-s_vChangeAntenna(
- struct vnt_private *priv
-);
-
-static
-void
-s_vChangeAntenna(
- struct vnt_private *priv
-)
-{
- if (priv->dwRxAntennaSel == 0) {
- priv->dwRxAntennaSel = 1;
- if (priv->bTxRxAntInv == true)
- BBvSetRxAntennaMode(priv, ANT_A);
- else
- BBvSetRxAntennaMode(priv, ANT_B);
- } else {
- priv->dwRxAntennaSel = 0;
- if (priv->bTxRxAntInv == true)
- BBvSetRxAntennaMode(priv, ANT_B);
- else
- BBvSetRxAntennaMode(priv, ANT_A);
- }
- if (priv->dwTxAntennaSel == 0) {
- priv->dwTxAntennaSel = 1;
- BBvSetTxAntennaMode(priv, ANT_B);
- } else {
- priv->dwTxAntennaSel = 0;
- BBvSetTxAntennaMode(priv, ANT_A);
- }
-}
-
/*--------------------- Export Variables --------------------------*/
/*
* Description: Calculate data frame transmitting time
@@ -2412,303 +2373,3 @@ BBvExitDeepSleep(struct vnt_private *priv, unsigned char byLocalID)
BBbWriteEmbedded(priv, 0x0C, 0x00); /* CR12 */
BBbWriteEmbedded(priv, 0x0D, 0x01); /* CR13 */
}
-
-static
-unsigned long
-s_ulGetRatio(struct vnt_private *priv)
-{
- unsigned long ulRatio = 0;
- unsigned long ulMaxPacket;
- unsigned long ulPacketNum;
-
- /* This is a thousand-ratio */
- ulMaxPacket = priv->uNumSQ3[RATE_54M];
- if (priv->uNumSQ3[RATE_54M] != 0) {
- ulPacketNum = priv->uNumSQ3[RATE_54M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_54M;
- }
- if (priv->uNumSQ3[RATE_48M] > ulMaxPacket) {
- ulPacketNum = priv->uNumSQ3[RATE_54M] + priv->uNumSQ3[RATE_48M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_48M;
- ulMaxPacket = priv->uNumSQ3[RATE_48M];
- }
- if (priv->uNumSQ3[RATE_36M] > ulMaxPacket) {
- ulPacketNum = priv->uNumSQ3[RATE_54M] + priv->uNumSQ3[RATE_48M] +
- priv->uNumSQ3[RATE_36M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_36M;
- ulMaxPacket = priv->uNumSQ3[RATE_36M];
- }
- if (priv->uNumSQ3[RATE_24M] > ulMaxPacket) {
- ulPacketNum = priv->uNumSQ3[RATE_54M] + priv->uNumSQ3[RATE_48M] +
- priv->uNumSQ3[RATE_36M] + priv->uNumSQ3[RATE_24M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_24M;
- ulMaxPacket = priv->uNumSQ3[RATE_24M];
- }
- if (priv->uNumSQ3[RATE_18M] > ulMaxPacket) {
- ulPacketNum = priv->uNumSQ3[RATE_54M] + priv->uNumSQ3[RATE_48M] +
- priv->uNumSQ3[RATE_36M] + priv->uNumSQ3[RATE_24M] +
- priv->uNumSQ3[RATE_18M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_18M;
- ulMaxPacket = priv->uNumSQ3[RATE_18M];
- }
- if (priv->uNumSQ3[RATE_12M] > ulMaxPacket) {
- ulPacketNum = priv->uNumSQ3[RATE_54M] + priv->uNumSQ3[RATE_48M] +
- priv->uNumSQ3[RATE_36M] + priv->uNumSQ3[RATE_24M] +
- priv->uNumSQ3[RATE_18M] + priv->uNumSQ3[RATE_12M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_12M;
- ulMaxPacket = priv->uNumSQ3[RATE_12M];
- }
- if (priv->uNumSQ3[RATE_11M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt - priv->uNumSQ3[RATE_1M] -
- priv->uNumSQ3[RATE_2M] - priv->uNumSQ3[RATE_5M] -
- priv->uNumSQ3[RATE_6M] - priv->uNumSQ3[RATE_9M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_11M;
- ulMaxPacket = priv->uNumSQ3[RATE_11M];
- }
- if (priv->uNumSQ3[RATE_9M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt - priv->uNumSQ3[RATE_1M] -
- priv->uNumSQ3[RATE_2M] - priv->uNumSQ3[RATE_5M] -
- priv->uNumSQ3[RATE_6M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_9M;
- ulMaxPacket = priv->uNumSQ3[RATE_9M];
- }
- if (priv->uNumSQ3[RATE_6M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt - priv->uNumSQ3[RATE_1M] -
- priv->uNumSQ3[RATE_2M] - priv->uNumSQ3[RATE_5M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_6M;
- ulMaxPacket = priv->uNumSQ3[RATE_6M];
- }
- if (priv->uNumSQ3[RATE_5M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt - priv->uNumSQ3[RATE_1M] -
- priv->uNumSQ3[RATE_2M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_55M;
- ulMaxPacket = priv->uNumSQ3[RATE_5M];
- }
- if (priv->uNumSQ3[RATE_2M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt - priv->uNumSQ3[RATE_1M];
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_2M;
- ulMaxPacket = priv->uNumSQ3[RATE_2M];
- }
- if (priv->uNumSQ3[RATE_1M] > ulMaxPacket) {
- ulPacketNum = priv->uDiversityCnt;
- ulRatio = (ulPacketNum * 1000 / priv->uDiversityCnt);
- ulRatio += TOP_RATE_1M;
- }
-
- return ulRatio;
-}
-
-void
-BBvClearAntDivSQ3Value(struct vnt_private *priv)
-{
- unsigned int ii;
-
- priv->uDiversityCnt = 0;
- for (ii = 0; ii < MAX_RATE; ii++)
- priv->uNumSQ3[ii] = 0;
-}
-
-/*
- * Description: Antenna Diversity
- *
- * Parameters:
- * In:
- * priv - Device Structure
- * byRSR - RSR from received packet
- * bySQ3 - SQ3 value from received packet
- * Out:
- * none
- *
- * Return Value: none
- *
- */
-
-void BBvAntennaDiversity(struct vnt_private *priv,
- unsigned char byRxRate, unsigned char bySQ3)
-{
- if ((byRxRate >= MAX_RATE) || (priv->wAntDiversityMaxRate >= MAX_RATE))
- return;
-
- priv->uDiversityCnt++;
-
- priv->uNumSQ3[byRxRate]++;
-
- if (priv->byAntennaState == 0) {
- if (priv->uDiversityCnt > priv->ulDiversityNValue) {
- pr_debug("ulDiversityNValue=[%d],54M-[%d]\n",
- (int)priv->ulDiversityNValue,
- (int)priv->uNumSQ3[(int)priv->wAntDiversityMaxRate]);
-
- if (priv->uNumSQ3[priv->wAntDiversityMaxRate] < priv->uDiversityCnt/2) {
- priv->ulRatio_State0 = s_ulGetRatio(priv);
- pr_debug("SQ3_State0, rate = [%08x]\n",
- (int)priv->ulRatio_State0);
-
- if (priv->byTMax == 0)
- return;
- pr_debug("1.[%08x], uNumSQ3[%d]=%d, %d\n",
- (int)priv->ulRatio_State0,
- (int)priv->wAntDiversityMaxRate,
- (int)priv->uNumSQ3[(int)priv->wAntDiversityMaxRate],
- (int)priv->uDiversityCnt);
-
- s_vChangeAntenna(priv);
- priv->byAntennaState = 1;
- del_timer(&priv->TimerSQ3Tmax3);
- del_timer(&priv->TimerSQ3Tmax2);
- priv->TimerSQ3Tmax1.expires = RUN_AT(priv->byTMax * HZ);
- add_timer(&priv->TimerSQ3Tmax1);
-
- } else {
- priv->TimerSQ3Tmax3.expires = RUN_AT(priv->byTMax3 * HZ);
- add_timer(&priv->TimerSQ3Tmax3);
- }
- BBvClearAntDivSQ3Value(priv);
-
- }
- } else { /* byAntennaState == 1 */
-
- if (priv->uDiversityCnt > priv->ulDiversityMValue) {
- del_timer(&priv->TimerSQ3Tmax1);
-
- priv->ulRatio_State1 = s_ulGetRatio(priv);
- pr_debug("RX:SQ3_State1, rate0 = %08x,rate1 = %08x\n",
- (int)priv->ulRatio_State0,
- (int)priv->ulRatio_State1);
-
- if (priv->ulRatio_State1 < priv->ulRatio_State0) {
- pr_debug("2.[%08x][%08x], uNumSQ3[%d]=%d, %d\n",
- (int)priv->ulRatio_State0,
- (int)priv->ulRatio_State1,
- (int)priv->wAntDiversityMaxRate,
- (int)priv->uNumSQ3[(int)priv->wAntDiversityMaxRate],
- (int)priv->uDiversityCnt);
-
- s_vChangeAntenna(priv);
- priv->TimerSQ3Tmax3.expires = RUN_AT(priv->byTMax3 * HZ);
- priv->TimerSQ3Tmax2.expires = RUN_AT(priv->byTMax2 * HZ);
- add_timer(&priv->TimerSQ3Tmax3);
- add_timer(&priv->TimerSQ3Tmax2);
- }
- priv->byAntennaState = 0;
- BBvClearAntDivSQ3Value(priv);
- }
- } /* byAntennaState */
-}
-
-/*+
- *
- * Description:
- * Timer for SQ3 antenna diversity
- *
- * Parameters:
- * In:
- * Out:
- * none
- *
- * Return Value: none
- *
- -*/
-
-void
-TimerSQ3CallBack(
- unsigned long data
-)
-{
- struct vnt_private *priv = (struct vnt_private *)data;
- unsigned long flags;
-
- pr_debug("TimerSQ3CallBack...\n");
-
- spin_lock_irqsave(&priv->lock, flags);
-
- pr_debug("3.[%08x][%08x], %d\n",
- (int)priv->ulRatio_State0, (int)priv->ulRatio_State1,
- (int)priv->uDiversityCnt);
-
- s_vChangeAntenna(priv);
- priv->byAntennaState = 0;
- BBvClearAntDivSQ3Value(priv);
-
- priv->TimerSQ3Tmax3.expires = RUN_AT(priv->byTMax3 * HZ);
- priv->TimerSQ3Tmax2.expires = RUN_AT(priv->byTMax2 * HZ);
- add_timer(&priv->TimerSQ3Tmax3);
- add_timer(&priv->TimerSQ3Tmax2);
-
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-/*+
- *
- * Description:
- * Timer for SQ3 antenna diversity
- *
- * Parameters:
- * In:
- * pvSysSpec1
- * hDeviceContext - Pointer to the adapter
- * pvSysSpec2
- * pvSysSpec3
- * Out:
- * none
- *
- * Return Value: none
- *
- -*/
-
-void
-TimerState1CallBack(
- unsigned long data
-)
-{
- struct vnt_private *priv = (struct vnt_private *)data;
- unsigned long flags;
-
- pr_debug("TimerState1CallBack...\n");
-
- spin_lock_irqsave(&priv->lock, flags);
-
- if (priv->uDiversityCnt < priv->ulDiversityMValue/100) {
- s_vChangeAntenna(priv);
- priv->TimerSQ3Tmax3.expires = RUN_AT(priv->byTMax3 * HZ);
- priv->TimerSQ3Tmax2.expires = RUN_AT(priv->byTMax2 * HZ);
- add_timer(&priv->TimerSQ3Tmax3);
- add_timer(&priv->TimerSQ3Tmax2);
- } else {
- priv->ulRatio_State1 = s_ulGetRatio(priv);
- pr_debug("SQ3_State1, rate0 = %08x,rate1 = %08x\n",
- (int)priv->ulRatio_State0,
- (int)priv->ulRatio_State1);
-
- if (priv->ulRatio_State1 < priv->ulRatio_State0) {
- pr_debug("2.[%08x][%08x], uNumSQ3[%d]=%d, %d\n",
- (int)priv->ulRatio_State0,
- (int)priv->ulRatio_State1,
- (int)priv->wAntDiversityMaxRate,
- (int)priv->uNumSQ3[(int)priv->wAntDiversityMaxRate],
- (int)priv->uDiversityCnt);
-
- s_vChangeAntenna(priv);
-
- priv->TimerSQ3Tmax3.expires = RUN_AT(priv->byTMax3 * HZ);
- priv->TimerSQ3Tmax2.expires = RUN_AT(priv->byTMax2 * HZ);
- add_timer(&priv->TimerSQ3Tmax3);
- add_timer(&priv->TimerSQ3Tmax2);
- }
- }
- priv->byAntennaState = 0;
- BBvClearAntDivSQ3Value(priv);
-
- spin_unlock_irqrestore(&priv->lock, flags);
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.