// 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 * rf_type * Out: * none * * Return Value: true if succeeded; false if failed. * */ bool RFbInit(struct vnt_private *priv) { bool ret = true; switch (priv->rf_type) { 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: * rf_type * byChannel - Channel number * Out: * none * * Return Value: true if succeeded; false if failed. * */ bool RFbSelectChannel(struct vnt_private *priv, unsigned char rf_type, u16 byChannel) { bool ret = true; switch (rf_type) { 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->cur_pwr == byPwr) return true; ret = RFbRawSetPower(priv, byPwr, rate); if (ret) priv->cur_pwr = 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->rf_type) { 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->rf_type) { case RF_AIROHA: case RF_AL2230S: a = abyAIROHARF[byIdx]; break; default: break; } *pldBm = -1 * (a + b * 2); }