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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/staging/vt6655/rf.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/vt6655/rf.c')
-rw-r--r-- | drivers/staging/vt6655/rf.c | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c new file mode 100644 index 0000000000..1fadc2fc44 --- /dev/null +++ b/drivers/staging/vt6655/rf.c @@ -0,0 +1,535 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * Purpose: rf function code + * + * Author: Jerry Chen + * + * Date: Feb. 19, 2004 + * + * Functions: + * IFRFbWriteEmbedded - Embedded write RF register via MAC + * + * Revision History: + * RobertYu 2005 + * chester 2008 + * + */ + +#include "mac.h" +#include "srom.h" +#include "rf.h" +#include "baseband.h" + +#define BY_AL2230_REG_LEN 23 /* 24bit */ +#define CB_AL2230_INIT_SEQ 15 +#define SWITCH_CHANNEL_DELAY_AL2230 200 /* us */ +#define AL2230_PWR_IDX_LEN 64 + +#define BY_AL7230_REG_LEN 23 /* 24bit */ +#define CB_AL7230_INIT_SEQ 16 +#define SWITCH_CHANNEL_DELAY_AL7230 200 /* us */ +#define AL7230_PWR_IDX_LEN 64 + +static const unsigned long al2230_init_table[CB_AL2230_INIT_SEQ] = { + 0x03F79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x01A00200 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00FFF300 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0005A400 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0F4DC500 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0805B600 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0146C700 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00068800 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0403B900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00DBBA00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00099B00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0BDFFC00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00000D00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x00580F00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW +}; + +static const unsigned long al2230_channel_table0[CB_MAX_CHANNEL] = { + 0x03F79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 1, Tf = 2412MHz */ + 0x03F79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 2, Tf = 2417MHz */ + 0x03E79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 3, Tf = 2422MHz */ + 0x03E79000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 4, Tf = 2427MHz */ + 0x03F7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 5, Tf = 2432MHz */ + 0x03F7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 6, Tf = 2437MHz */ + 0x03E7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 7, Tf = 2442MHz */ + 0x03E7A000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 8, Tf = 2447MHz */ + 0x03F7B000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 9, Tf = 2452MHz */ + 0x03F7B000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 10, Tf = 2457MHz */ + 0x03E7B000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 11, Tf = 2462MHz */ + 0x03E7B000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 12, Tf = 2467MHz */ + 0x03F7C000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 13, Tf = 2472MHz */ + 0x03E7C000 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW /* channel = 14, Tf = 2412M */ +}; + +static const unsigned long al2230_channel_table1[CB_MAX_CHANNEL] = { + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 1, Tf = 2412MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 2, Tf = 2417MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 3, Tf = 2422MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 4, Tf = 2427MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 5, Tf = 2432MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 6, Tf = 2437MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 7, Tf = 2442MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 8, Tf = 2447MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 9, Tf = 2452MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 10, Tf = 2457MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 11, Tf = 2462MHz */ + 0x0B333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 12, Tf = 2467MHz */ + 0x03333100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, /* channel = 13, Tf = 2472MHz */ + 0x06666100 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW /* channel = 14, Tf = 2412M */ +}; + +static unsigned long al2230_power_table[AL2230_PWR_IDX_LEN] = { + 0x04040900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04041900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04042900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04043900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04044900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04045900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04046900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04047900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04048900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04049900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404A900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404B900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404C900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404D900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404E900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0404F900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04050900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04051900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04052900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04053900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04054900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04055900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04056900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04057900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04058900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04059900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405A900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405B900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405C900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405D900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405E900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0405F900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04060900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04061900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04062900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04063900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04064900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04065900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04066900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04067900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04068900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04069900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406A900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406B900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406C900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406D900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406E900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0406F900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04070900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04071900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04072900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04073900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04074900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04075900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04076900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04077900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04078900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x04079900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407A900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407B900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407C900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407D900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407E900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW, + 0x0407F900 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW +}; + +/* + * Description: Write to IF/RF, by embedded programming + * + * Parameters: + * In: + * iobase - I/O base address + * dwData - data to write + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ +bool IFRFbWriteEmbedded(struct vnt_private *priv, unsigned long dwData) +{ + void __iomem *iobase = priv->port_offset; + unsigned short ww; + unsigned long dwValue; + + iowrite32((u32)dwData, iobase + MAC_REG_IFREGCTL); + + /* W_MAX_TIMEOUT is the timeout period */ + for (ww = 0; ww < W_MAX_TIMEOUT; ww++) { + dwValue = ioread32(iobase + MAC_REG_IFREGCTL); + if (dwValue & IFREGCTL_DONE) + break; + } + + if (ww == W_MAX_TIMEOUT) + return false; + + return true; +} + +/* + * Description: AIROHA IFRF chip init function + * + * Parameters: + * In: + * iobase - I/O base address + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ +static bool RFbAL2230Init(struct vnt_private *priv) +{ + void __iomem *iobase = priv->port_offset; + int ii; + bool ret; + + ret = true; + + /* 3-wire control for normal mode */ + iowrite8(0, iobase + MAC_REG_SOFTPWRCTL); + + vt6655_mac_word_reg_bits_on(iobase, MAC_REG_SOFTPWRCTL, + (SOFTPWRCTL_SWPECTI | SOFTPWRCTL_TXPEINV)); + /* PLL Off */ + vt6655_mac_word_reg_bits_off(iobase, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE3); + + /* patch abnormal AL2230 frequency output */ + IFRFbWriteEmbedded(priv, (0x07168700 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW)); + + for (ii = 0; ii < CB_AL2230_INIT_SEQ; ii++) + ret &= IFRFbWriteEmbedded(priv, al2230_init_table[ii]); + MACvTimer0MicroSDelay(priv, 30); /* delay 30 us */ + + /* PLL On */ + vt6655_mac_word_reg_bits_on(iobase, MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPE3); + + MACvTimer0MicroSDelay(priv, 150);/* 150us */ + ret &= IFRFbWriteEmbedded(priv, (0x00d80f00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW)); + MACvTimer0MicroSDelay(priv, 30);/* 30us */ + ret &= IFRFbWriteEmbedded(priv, (0x00780f00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW)); + MACvTimer0MicroSDelay(priv, 30);/* 30us */ + ret &= IFRFbWriteEmbedded(priv, + al2230_init_table[CB_AL2230_INIT_SEQ - 1]); + + vt6655_mac_word_reg_bits_on(iobase, MAC_REG_SOFTPWRCTL, (SOFTPWRCTL_SWPE3 | + SOFTPWRCTL_SWPE2 | + SOFTPWRCTL_SWPECTI | + SOFTPWRCTL_TXPEINV)); + + /* 3-wire control for power saving mode */ + iowrite8(PSSIG_WPE3 | PSSIG_WPE2, iobase + MAC_REG_PSPWRSIG); + + return ret; +} + +static bool RFbAL2230SelectChannel(struct vnt_private *priv, unsigned char byChannel) +{ + void __iomem *iobase = priv->port_offset; + bool ret; + + ret = true; + + ret &= IFRFbWriteEmbedded(priv, al2230_channel_table0[byChannel - 1]); + ret &= IFRFbWriteEmbedded(priv, al2230_channel_table1[byChannel - 1]); + + /* Set Channel[7] = 0 to tell H/W channel is changing now. */ + iowrite8(byChannel & 0x7F, iobase + MAC_REG_CHANNEL); + MACvTimer0MicroSDelay(priv, SWITCH_CHANNEL_DELAY_AL2230); + /* Set Channel[7] = 1 to tell H/W channel change is done. */ + iowrite8(byChannel | 0x80, iobase + MAC_REG_CHANNEL); + + return ret; +} + +/* + * Description: RF init function + * + * Parameters: + * In: + * byBBType + * byRFType + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ +bool RFbInit(struct vnt_private *priv) +{ + bool ret = true; + + switch (priv->byRFType) { + case RF_AIROHA: + case RF_AL2230S: + priv->max_pwr_level = AL2230_PWR_IDX_LEN; + ret = RFbAL2230Init(priv); + break; + case RF_NOTHING: + ret = true; + break; + default: + ret = false; + break; + } + return ret; +} + +/* + * Description: Select channel + * + * Parameters: + * In: + * byRFType + * byChannel - Channel number + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ +bool RFbSelectChannel(struct vnt_private *priv, unsigned char byRFType, + u16 byChannel) +{ + bool ret = true; + + switch (byRFType) { + case RF_AIROHA: + case RF_AL2230S: + ret = RFbAL2230SelectChannel(priv, byChannel); + break; + /*{{ RobertYu: 20050104 */ + case RF_NOTHING: + ret = true; + break; + default: + ret = false; + break; + } + return ret; +} + +/* + * Description: Write WakeProgSyn + * + * Parameters: + * In: + * priv - Device Structure + * rf_type - RF type + * channel - Channel number + * + * Return Value: true if succeeded; false if failed. + * + */ +bool rf_write_wake_prog_syn(struct vnt_private *priv, unsigned char rf_type, + u16 channel) +{ + void __iomem *iobase = priv->port_offset; + int i; + unsigned char init_count = 0; + unsigned char sleep_count = 0; + unsigned short idx = MISCFIFO_SYNDATA_IDX; + + iowrite16(0, iobase + MAC_REG_MISCFFNDEX); + switch (rf_type) { + case RF_AIROHA: + case RF_AL2230S: + + if (channel > CB_MAX_CHANNEL_24G) + return false; + + /* Init Reg + Channel Reg (2) */ + init_count = CB_AL2230_INIT_SEQ + 2; + sleep_count = 0; + + for (i = 0; i < CB_AL2230_INIT_SEQ; i++) + MACvSetMISCFifo(priv, idx++, al2230_init_table[i]); + + MACvSetMISCFifo(priv, idx++, al2230_channel_table0[channel - 1]); + MACvSetMISCFifo(priv, idx++, al2230_channel_table1[channel - 1]); + break; + + /* Need to check, PLLON need to be low for channel setting */ + + case RF_NOTHING: + return true; + + default: + return false; + } + + MACvSetMISCFifo(priv, MISCFIFO_SYNINFO_IDX, (unsigned long)MAKEWORD(sleep_count, init_count)); + + return true; +} + +/* + * Description: Set Tx power + * + * Parameters: + * In: + * iobase - I/O base address + * dwRFPowerTable - RF Tx Power Setting + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ +bool RFbSetPower(struct vnt_private *priv, unsigned int rate, u16 uCH) +{ + bool ret; + unsigned char byPwr = 0; + unsigned char byDec = 0; + + if (priv->dwDiagRefCount != 0) + return true; + + if ((uCH < 1) || (uCH > CB_MAX_CHANNEL)) + return false; + + switch (rate) { + case RATE_1M: + case RATE_2M: + case RATE_5M: + case RATE_11M: + if (uCH > CB_MAX_CHANNEL_24G) + return false; + + byPwr = priv->abyCCKPwrTbl[uCH]; + break; + case RATE_6M: + case RATE_9M: + case RATE_12M: + case RATE_18M: + byPwr = priv->abyOFDMPwrTbl[uCH]; + byDec = byPwr + 10; + + if (byDec >= priv->max_pwr_level) + byDec = priv->max_pwr_level - 1; + + byPwr = byDec; + break; + case RATE_24M: + case RATE_36M: + case RATE_48M: + case RATE_54M: + byPwr = priv->abyOFDMPwrTbl[uCH]; + break; + } + + if (priv->byCurPwr == byPwr) + return true; + + ret = RFbRawSetPower(priv, byPwr, rate); + if (ret) + priv->byCurPwr = byPwr; + + return ret; +} + +/* + * Description: Set Tx power + * + * Parameters: + * In: + * iobase - I/O base address + * dwRFPowerTable - RF Tx Power Setting + * Out: + * none + * + * Return Value: true if succeeded; false if failed. + * + */ + +bool RFbRawSetPower(struct vnt_private *priv, unsigned char byPwr, + unsigned int rate) +{ + bool ret = true; + + if (byPwr >= priv->max_pwr_level) + return false; + + switch (priv->byRFType) { + case RF_AIROHA: + ret &= IFRFbWriteEmbedded(priv, al2230_power_table[byPwr]); + if (rate <= RATE_11M) + ret &= IFRFbWriteEmbedded(priv, 0x0001B400 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + else + ret &= IFRFbWriteEmbedded(priv, 0x0005A400 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + + break; + + case RF_AL2230S: + ret &= IFRFbWriteEmbedded(priv, al2230_power_table[byPwr]); + if (rate <= RATE_11M) { + ret &= IFRFbWriteEmbedded(priv, 0x040C1400 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + ret &= IFRFbWriteEmbedded(priv, 0x00299B00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + } else { + ret &= IFRFbWriteEmbedded(priv, 0x0005A400 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + ret &= IFRFbWriteEmbedded(priv, 0x00099B00 + (BY_AL2230_REG_LEN << 3) + IFREGCTL_REGW); + } + + break; + + default: + break; + } + return ret; +} + +/* + * + * Routine Description: + * Translate RSSI to dBm + * + * Parameters: + * In: + * priv - The adapter to be translated + * byCurrRSSI - RSSI to be translated + * Out: + * pdwdbm - Translated dbm number + * + * Return Value: none + * + */ +void +RFvRSSITodBm(struct vnt_private *priv, unsigned char byCurrRSSI, long *pldBm) +{ + unsigned char byIdx = (((byCurrRSSI & 0xC0) >> 6) & 0x03); + long b = (byCurrRSSI & 0x3F); + long a = 0; + unsigned char abyAIROHARF[4] = {0, 18, 0, 40}; + + switch (priv->byRFType) { + case RF_AIROHA: + case RF_AL2230S: + a = abyAIROHARF[byIdx]; + break; + default: + break; + } + + *pldBm = -1 * (a + b * 2); +} + |