/* Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com> Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com> Based on the original rt2800pci.c and rt2800usb.c. Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com> Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org> Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com> Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de> Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com> Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com> <http://rt2x00.serialmonkey.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Module: rt2800lib Abstract: rt2800 generic device routines. */ #include <linux/crc-ccitt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include "rt2x00.h" #include "rt2800lib.h" #include "rt2800.h" /* * Register access. * All access to the CSR registers will go through the methods * rt2800_register_read and rt2800_register_write. * BBP and RF register require indirect register access, * and use the CSR registers BBPCSR and RFCSR to achieve this. * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay * between each attampt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. * The _lock versions must be used if you already hold the csr_mutex */ #define WAIT_FOR_BBP(__dev, __reg) \ rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RFCSR(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg)) #define WAIT_FOR_RF(__dev, __reg) \ rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg)) #define WAIT_FOR_MCU(__dev, __reg) \ rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \ H2M_MAILBOX_CSR_OWNER, (__reg)) static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev) { /* check for rt2872 on SoC */ if (!rt2x00_is_soc(rt2x00dev) || !rt2x00_rt(rt2x00dev, RT2872)) return false; /* we know for sure that these rf chipsets are used on rt305x boards */ if (rt2x00_rf(rt2x00dev, RF3020) || rt2x00_rf(rt2x00dev, RF3021) || rt2x00_rf(rt2x00dev, RF3022)) return true; NOTICE(rt2x00dev, "Unknown RF chipset on rt305x\n"); return false; } static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_VALUE, value); rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 0); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the BBP becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_BBP(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, BBP_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, BBP_CSR_CFG_BUSY, 1); rt2x00_set_field32(®, BBP_CSR_CFG_READ_CONTROL, 1); rt2x00_set_field32(®, BBP_CSR_CFG_BBP_RW_MODE, 1); rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg); WAIT_FOR_BBP(rt2x00dev, ®); } *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u8 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_DATA, value); rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 1); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev, const unsigned int word, u8 *value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RFCSR becomes available, afterwards we * can safely write the read request into the register. * After the data has been written, we wait until hardware * returns the correct value, if at any time the register * doesn't become available in time, reg will be 0xffffffff * which means we return 0xff to the caller. */ if (WAIT_FOR_RFCSR(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG_REGNUM, word); rt2x00_set_field32(®, RF_CSR_CFG_WRITE, 0); rt2x00_set_field32(®, RF_CSR_CFG_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg); WAIT_FOR_RFCSR(rt2x00dev, ®); } *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA); mutex_unlock(&rt2x00dev->csr_mutex); } static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, const unsigned int word, const u32 value) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the RF becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_RF(rt2x00dev, ®)) { reg = 0; rt2x00_set_field32(®, RF_CSR_CFG0_REG_VALUE_BW, value); rt2x00_set_field32(®, RF_CSR_CFG0_STANDBYMODE, 0); rt2x00_set_field32(®, RF_CSR_CFG0_SEL, 0); rt2x00_set_field32(®, RF_CSR_CFG0_BUSY, 1); rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg); rt2x00_rf_write(rt2x00dev, word, value); } mutex_unlock(&rt2x00dev->csr_mutex); } void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev, const u8 command, const u8 token, const u8 arg0, const u8 arg1) { u32 reg; /* * SOC devices don't support MCU requests. */ if (rt2x00_is_soc(rt2x00dev)) return; mutex_lock(&rt2x00dev->csr_mutex); /* * Wait until the MCU becomes available, afterwards we * can safely write the new data into the register. */ if (WAIT_FOR_MCU(rt2x00dev, ®)) { rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1); rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0); rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1); rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg); reg = 0; rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg); } mutex_unlock(&rt2x00dev->csr_mutex); } EXPORT_SYMBOL_GPL(rt2800_mcu_request); int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i = 0; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800_register_read(rt2x00dev, MAC_CSR0, ®); if (reg && reg != ~0) return 0; msleep(1); } ERROR(rt2x00dev, "Unstable hardware.\n"); return -EBUSY; } EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready); int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; /* * Some devices are really slow to respond here. Wait a whole second * before timing out. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) && !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY)) return 0; msleep(10); } ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n"); return -EACCES; } EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready); static bool rt2800_check_firmware_crc(const u8 *data, const size_t len) { u16 fw_crc; u16 crc; /* * The last 2 bytes in the firmware array are the crc checksum itself, * this means that we should never pass those 2 bytes to the crc * algorithm. */ fw_crc = (data[len - 2] << 8 | data[len - 1]); /* * Use the crc ccitt algorithm. * This will return the same value as the legacy driver which * used bit ordering reversion on the both the firmware bytes * before input input as well as on the final output. * Obviously using crc ccitt directly is much more efficient. */ crc = crc_ccitt(~0, data, len - 2); /* * There is a small difference between the crc-itu-t + bitrev and * the crc-ccitt crc calculation. In the latter method the 2 bytes * will be swapped, use swab16 to convert the crc to the correct * value. */ crc = swab16(crc); return fw_crc == crc; } int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { size_t offset = 0; size_t fw_len; bool multiple; /* * PCI(e) & SOC devices require firmware with a length * of 8kb. USB devices require firmware files with a length * of 4kb. Certain USB chipsets however require different firmware, * which Ralink only provides attached to the original firmware * file. Thus for USB devices, firmware files have a length * which is a multiple of 4kb. */ if (rt2x00_is_usb(rt2x00dev)) { fw_len = 4096; multiple = true; } else { fw_len = 8192; multiple = true; } /* * Validate the firmware length */ if (len != fw_len && (!multiple || (len % fw_len) != 0)) return FW_BAD_LENGTH; /* * Check if the chipset requires one of the upper parts * of the firmware. */ if (rt2x00_is_usb(rt2x00dev) && !rt2x00_rt(rt2x00dev, RT2860) && !rt2x00_rt(rt2x00dev, RT2872) && !rt2x00_rt(rt2x00dev, RT3070) && ((len / fw_len) == 1)) return FW_BAD_VERSION; /* * 8kb firmware files must be checked as if it were * 2 separate firmware files. */ while (offset < len) { if (!rt2800_check_firmware_crc(data + offset, fw_len)) return FW_BAD_CRC; offset += fw_len; } return FW_OK; } EXPORT_SYMBOL_GPL(rt2800_check_firmware); int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev, const u8 *data, const size_t len) { unsigned int i; u32 reg; /* * If driver doesn't wake up firmware here, * rt2800_load_firmware will hang forever when interface is up again. */ rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000); /* * Wait for stable hardware. */ if (rt2800_wait_csr_ready(rt2x00dev)) return -EBUSY; if (rt2x00_is_pci(rt2x00dev)) { if (rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390)) { rt2800_register_read(rt2x00dev, AUX_CTRL, ®); rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); rt2800_register_write(rt2x00dev, AUX_CTRL, reg); } rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002); } /* * Write firmware to the device. */ rt2800_drv_write_firmware(rt2x00dev, data, len); /* * Wait for device to stabilize. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®); if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY)) break; msleep(1); } if (i == REGISTER_BUSY_COUNT) { ERROR(rt2x00dev, "PBF system register not ready.\n"); return -EBUSY; } /* * Disable DMA, will be reenabled later when enabling * the radio. */ rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); /* * Initialize firmware. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); if (rt2x00_is_usb(rt2x00dev)) rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0); msleep(1); return 0; } EXPORT_SYMBOL_GPL(rt2800_load_firmware); void rt2800_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc) { __le32 *txwi = rt2800_drv_get_txwi(entry); u32 word; /* * Initialize TX Info descriptor */ rt2x00_desc_read(txwi, 0, &word); rt2x00_set_field32(&word, TXWI_W0_FRAG, test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MIMO_PS, test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0); rt2x00_set_field32(&word, TXWI_W0_TS, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_AMPDU, test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY, txdesc->u.ht.mpdu_density); rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop); rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs); rt2x00_set_field32(&word, TXWI_W0_BW, test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_SHORT_GI, test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc); rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode); rt2x00_desc_write(txwi, 0, word); rt2x00_desc_read(txwi, 1, &word); rt2x00_set_field32(&word, TXWI_W1_ACK, test_bit(ENTRY_TXD_ACK, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_NSEQ, test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size); rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : txdesc->u.ht.wcid); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid); rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1); rt2x00_desc_write(txwi, 1, word); /* * Always write 0 to IV/EIV fields, hardware will insert the IV * from the IVEIV register when TXD_W3_WIV is set to 0. * When TXD_W3_WIV is set to 1 it will use the IV data * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which * crypto entry in the registers should be used to encrypt the frame. */ _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); } EXPORT_SYMBOL_GPL(rt2800_write_tx_data); static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2) { int rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0); int rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1); int rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2); u16 eeprom; u8 offset0; u8 offset1; u8 offset2; if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2); } else { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom); offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0); offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom); offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2); } /* * Convert the value from the descriptor into the RSSI value * If the value in the descriptor is 0, it is considered invalid * and the default (extremely low) rssi value is assumed */ rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128; rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128; rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128; /* * mac80211 only accepts a single RSSI value. Calculating the * average doesn't deliver a fair answer either since -60:-60 would * be considered equally good as -50:-70 while the second is the one * which gives less energy... */ rssi0 = max(rssi0, rssi1); return max(rssi0, rssi2); } void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { __le32 *rxwi = (__le32 *) entry->skb->data; u32 word; rt2x00_desc_read(rxwi, 0, &word); rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF); rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); rt2x00_desc_read(rxwi, 1, &word); if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI)) rxdesc->flags |= RX_FLAG_SHORT_GI; if (rt2x00_get_field32(word, RXWI_W1_BW)) rxdesc->flags |= RX_FLAG_40MHZ; /* * Detect RX rate, always use MCS as signal type. */ rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS); rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE); /* * Mask of 0x8 bit to remove the short preamble flag. */ if (rxdesc->rate_mode == RATE_MODE_CCK) rxdesc->signal &= ~0x8; rt2x00_desc_read(rxwi, 2, &word); /* * Convert descriptor AGC value to RSSI value. */ rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word); /* * Remove RXWI descriptor from start of buffer. */ skb_pull(entry->skb, RXWI_DESC_SIZE); } EXPORT_SYMBOL_GPL(rt2800_process_rxwi); void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); struct txdone_entry_desc txdesc; u32 word; u16 mcs, real_mcs; int aggr, ampdu; /* * Obtain the status about this packet. */ txdesc.flags = 0; rt2x00_desc_read(txwi, 0, &word); mcs = rt2x00_get_field32(word, TXWI_W0_MCS); ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU); real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS); aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE); /* * If a frame was meant to be sent as a single non-aggregated MPDU * but ended up in an aggregate the used tx rate doesn't correlate * with the one specified in the TXWI as the whole aggregate is sent * with the same rate. * * For example: two frames are sent to rt2x00, the first one sets * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0 * and requests MCS15. If the hw aggregates both frames into one * AMDPU the tx status for both frames will contain MCS7 although * the frame was sent successfully. * * Hence, replace the requested rate with the real tx rate to not * confuse the rate control algortihm by providing clearly wrong * data. */ if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) { skbdesc->tx_rate_idx = real_mcs; mcs = real_mcs; } if (aggr == 1 || ampdu == 1) __set_bit(TXDONE_AMPDU, &txdesc.flags); /* * Ralink has a retry mechanism using a global fallback * table. We setup this fallback table to try the immediate * lower rate for all rates. In the TX_STA_FIFO, the MCS field * always contains the MCS used for the last transmission, be * it successful or not. */ if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) { /* * Transmission succeeded. The number of retries is * mcs - real_mcs */ __set_bit(TXDONE_SUCCESS, &txdesc.flags); txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0); } else { /* * Transmission failed. The number of retries is * always 7 in this case (for a total number of 8 * frames sent). */ __set_bit(TXDONE_FAILURE, &txdesc.flags); txdesc.retry = rt2x00dev->long_retry; } /* * the frame was retried at least once * -> hw used fallback rates */ if (txdesc.retry) __set_bit(TXDONE_FALLBACK, &txdesc.flags); rt2x00lib_txdone(entry, &txdesc); } EXPORT_SYMBOL_GPL(rt2800_txdone_entry); void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; unsigned int padding_len; u32 orig_reg, reg; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); orig_reg = reg; rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Add space for the TXWI in front of the skb. */ memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE); /* * Register descriptor details in skb frame descriptor. */ skbdesc->flags |= SKBDESC_DESC_IN_SKB; skbdesc->desc = entry->skb->data; skbdesc->desc_len = TXWI_DESC_SIZE; /* * Add the TXWI for the beacon to the skb. */ rt2800_write_tx_data(entry, txdesc); /* * Dump beacon to userspace through debugfs. */ rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); /* * Write entire beacon with TXWI and padding to register. */ padding_len = roundup(entry->skb->len, 4) - entry->skb->len; if (padding_len && skb_pad(entry->skb, padding_len)) { ERROR(rt2x00dev, "Failure padding beacon, aborting\n"); /* skb freed by skb_pad() on failure */ entry->skb = NULL; rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg); return; } beacon_base = HW_BEACON_OFFSET(entry->entry_idx); rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, entry->skb->len + padding_len); /* * Enable beaconing again. */ rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Clean up beacon skb. */ dev_kfree_skb_any(entry->skb); entry->skb = NULL; } EXPORT_SYMBOL_GPL(rt2800_write_beacon); static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev, unsigned int beacon_base) { int i; /* * For the Beacon base registers we only need to clear * the whole TXWI which (when set to 0) will invalidate * the entire beacon. */ for (i = 0; i < TXWI_DESC_SIZE; i += sizeof(__le32)) rt2800_register_write(rt2x00dev, beacon_base + i, 0); } void rt2800_clear_beacon(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; u32 reg; /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); /* * Clear beacon. */ rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_OFFSET(entry->entry_idx)); /* * Enabled beaconing again. */ rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_clear_beacon); #ifdef CONFIG_RT2X00_LIB_DEBUGFS const struct rt2x00debug rt2800_rt2x00debug = { .owner = THIS_MODULE, .csr = { .read = rt2800_register_read, .write = rt2800_register_write, .flags = RT2X00DEBUGFS_OFFSET, .word_base = CSR_REG_BASE, .word_size = sizeof(u32), .word_count = CSR_REG_SIZE / sizeof(u32), }, .eeprom = { .read = rt2x00_eeprom_read, .write = rt2x00_eeprom_write, .word_base = EEPROM_BASE, .word_size = sizeof(u16), .word_count = EEPROM_SIZE / sizeof(u16), }, .bbp = { .read = rt2800_bbp_read, .write = rt2800_bbp_write, .word_base = BBP_BASE, .word_size = sizeof(u8), .word_count = BBP_SIZE / sizeof(u8), }, .rf = { .read = rt2x00_rf_read, .write = rt2800_rf_write, .word_base = RF_BASE, .word_size = sizeof(u32), .word_count = RF_SIZE / sizeof(u32), }, }; EXPORT_SYMBOL_GPL(rt2800_rt2x00debug); #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); return rt2x00_get_field32(reg, GPIO_CTRL_CFG_BIT2); } EXPORT_SYMBOL_GPL(rt2800_rfkill_poll); #ifdef CONFIG_RT2X00_LIB_LEDS static void rt2800_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct rt2x00_led *led = container_of(led_cdev, struct rt2x00_led, led_dev); unsigned int enabled = brightness != LED_OFF; unsigned int bg_mode = (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ); unsigned int polarity = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_POLARITY); unsigned int ledmode = rt2x00_get_field16(led->rt2x00dev->led_mcu_reg, EEPROM_FREQ_LED_MODE); u32 reg; /* Check for SoC (SOC devices don't support MCU requests) */ if (rt2x00_is_soc(led->rt2x00dev)) { rt2800_register_read(led->rt2x00dev, LED_CFG, ®); /* Set LED Polarity */ rt2x00_set_field32(®, LED_CFG_LED_POLAR, polarity); /* Set LED Mode */ if (led->type == LED_TYPE_RADIO) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, enabled ? 3 : 0); } else if (led->type == LED_TYPE_QUALITY) { rt2x00_set_field32(®, LED_CFG_R_LED_MODE, enabled ? 3 : 0); } rt2800_register_write(led->rt2x00dev, LED_CFG, reg); } else { if (led->type == LED_TYPE_RADIO) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? 0x20 : 0); } else if (led->type == LED_TYPE_ASSOC) { rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode, enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20); } else if (led->type == LED_TYPE_QUALITY) { /* * The brightness is divided into 6 levels (0 - 5), * The specs tell us the following levels: * 0, 1 ,3, 7, 15, 31 * to determine the level in a simple way we can simply * work with bitshifting: * (1 << level) - 1 */ rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff, (1 << brightness / (LED_FULL / 6)) - 1, polarity); } } } static void rt2800_init_led(struct rt2x00_dev *rt2x00dev, struct rt2x00_led *led, enum led_type type) { led->rt2x00dev = rt2x00dev; led->type = type; led->led_dev.brightness_set = rt2800_brightness_set; led->flags = LED_INITIALIZED; } #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Configuration handlers. */ static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev, const u8 *address, int wcid) { struct mac_wcid_entry wcid_entry; u32 offset; offset = MAC_WCID_ENTRY(wcid); memset(&wcid_entry, 0xff, sizeof(wcid_entry)); if (address) memcpy(wcid_entry.mac, address, ETH_ALEN); rt2800_register_multiwrite(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); } static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid) { u32 offset; offset = MAC_WCID_ATTR_ENTRY(wcid); rt2800_register_write(rt2x00dev, offset, 0); } static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev, int wcid, u32 bssidx) { u32 offset = MAC_WCID_ATTR_ENTRY(wcid); u32 reg; /* * The BSS Idx numbers is split in a main value of 3 bits, * and a extended field for adding one additional bit to the value. */ rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT, (bssidx & 0x8) >> 3); rt2800_register_write(rt2x00dev, offset, reg); } static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct mac_iveiv_entry iveiv_entry; u32 offset; u32 reg; offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx); if (crypto->cmd == SET_KEY) { rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); /* * Both the cipher as the BSS Idx numbers are split in a main * value of 3 bits, and a extended field for adding one additional * bit to the value. */ rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, (crypto->cipher & 0x7)); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, (crypto->cipher & 0x8) >> 3); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); } else { /* Delete the cipher without touching the bssidx */ rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0); rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0); rt2800_register_write(rt2x00dev, offset, reg); } offset = MAC_IVEIV_ENTRY(key->hw_key_idx); memset(&iveiv_entry, 0, sizeof(iveiv_entry)); if ((crypto->cipher == CIPHER_TKIP) || (crypto->cipher == CIPHER_TKIP_NO_MIC) || (crypto->cipher == CIPHER_AES)) iveiv_entry.iv[3] |= 0x20; iveiv_entry.iv[3] |= key->keyidx << 6; rt2800_register_multiwrite(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); } int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; struct rt2x00_field32 field; u32 offset; u32 reg; if (crypto->cmd == SET_KEY) { key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = SHARED_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * The cipher types are stored over multiple registers * starting with SHARED_KEY_MODE_BASE each word will have * 32 bits and contains the cipher types for 2 bssidx each. * Using the correct defines correctly will cause overhead, * so just calculate the correct offset. */ field.bit_offset = 4 * (key->hw_key_idx % 8); field.bit_mask = 0x7 << field.bit_offset; offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8); rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, (crypto->cmd == SET_KEY) * crypto->cipher); rt2800_register_write(rt2x00dev, offset, reg); /* * Update WCID information */ rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx); rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx, crypto->bssidx); rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_shared_key); static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev) { struct mac_wcid_entry wcid_entry; int idx; u32 offset; /* * Search for the first free WCID entry and return the corresponding * index. * * Make sure the WCID starts _after_ the last possible shared key * entry (>32). * * Since parts of the pairwise key table might be shared with * the beacon frame buffers 6 & 7 we should only write into the * first 222 entries. */ for (idx = 33; idx <= 222; idx++) { offset = MAC_WCID_ENTRY(idx); rt2800_register_multiread(rt2x00dev, offset, &wcid_entry, sizeof(wcid_entry)); if (is_broadcast_ether_addr(wcid_entry.mac)) return idx; } /* * Use -1 to indicate that we don't have any more space in the WCID * table. */ return -1; } int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_crypto *crypto, struct ieee80211_key_conf *key) { struct hw_key_entry key_entry; u32 offset; if (crypto->cmd == SET_KEY) { /* * Allow key configuration only for STAs that are * known by the hw. */ if (crypto->wcid < 0) return -ENOSPC; key->hw_key_idx = crypto->wcid; memcpy(key_entry.key, crypto->key, sizeof(key_entry.key)); memcpy(key_entry.tx_mic, crypto->tx_mic, sizeof(key_entry.tx_mic)); memcpy(key_entry.rx_mic, crypto->rx_mic, sizeof(key_entry.rx_mic)); offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx); rt2800_register_multiwrite(rt2x00dev, offset, &key_entry, sizeof(key_entry)); } /* * Update WCID information */ rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key); return 0; } EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key); int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { int wcid; struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta); /* * Find next free WCID. */ wcid = rt2800_find_wcid(rt2x00dev); /* * Store selected wcid even if it is invalid so that we can * later decide if the STA is uploaded into the hw. */ sta_priv->wcid = wcid; /* * No space left in the device, however, we can still communicate * with the STA -> No error. */ if (wcid < 0) return 0; /* * Clean up WCID attributes and write STA address to the device. */ rt2800_delete_wcid_attr(rt2x00dev, wcid); rt2800_config_wcid(rt2x00dev, sta->addr, wcid); rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid, rt2x00lib_get_bssidx(rt2x00dev, vif)); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_add); int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid) { /* * Remove WCID entry, no need to clean the attributes as they will * get renewed when the WCID is reused. */ rt2800_config_wcid(rt2x00dev, NULL, wcid); return 0; } EXPORT_SYMBOL_GPL(rt2800_sta_remove); void rt2800_config_filter(struct rt2x00_dev *rt2x00dev, const unsigned int filter_flags) { u32 reg; /* * Start configuration steps. * Note that the version error will always be dropped * and broadcast frames will always be accepted since * there is no filter for it at this time. */ rt2800_register_read(rt2x00dev, RX_FILTER_CFG, ®); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CRC_ERROR, !(filter_flags & FIF_FCSFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PHY_ERROR, !(filter_flags & FIF_PLCPFAIL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_TO_ME, !(filter_flags & FIF_PROMISC_IN_BSS)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_VER_ERROR, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_MULTICAST, !(filter_flags & FIF_ALLMULTI)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BROADCAST, 0); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_DUPLICATE, 1); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CF_END, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_ACK, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_RTS, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_PSPOLL, !(filter_flags & FIF_PSPOLL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BA, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_BAR, !(filter_flags & FIF_CONTROL)); rt2x00_set_field32(®, RX_FILTER_CFG_DROP_CNTL, !(filter_flags & FIF_CONTROL)); rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg); } EXPORT_SYMBOL_GPL(rt2800_config_filter); void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { u32 reg; bool update_bssid = false; if (flags & CONFIG_UPDATE_TYPE) { /* * Enable synchronisation. */ rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, conf->sync); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); if (conf->sync == TSF_SYNC_AP_NONE) { /* * Tune beacon queue transmit parameters for AP mode */ rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, ®); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 0); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 1); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 0); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } else { rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, ®); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_CWMIN, 4); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_AIFSN, 2); rt2x00_set_field32(®, TBTT_SYNC_CFG_BCN_EXP_WIN, 32); rt2x00_set_field32(®, TBTT_SYNC_CFG_TBTT_ADJUST, 16); rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg); } } if (flags & CONFIG_UPDATE_MAC) { if (flags & CONFIG_UPDATE_TYPE && conf->sync == TSF_SYNC_AP_NONE) { /* * The BSSID register has to be set to our own mac * address in AP mode. */ memcpy(conf->bssid, conf->mac, sizeof(conf->mac)); update_bssid = true; } if (!is_zero_ether_addr((const u8 *)conf->mac)) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff); conf->mac[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0, conf->mac, sizeof(conf->mac)); } if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) { if (!is_zero_ether_addr((const u8 *)conf->bssid)) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_BCN_NUM, 7); conf->bssid[1] = cpu_to_le32(reg); } rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0, conf->bssid, sizeof(conf->bssid)); } } EXPORT_SYMBOL_GPL(rt2800_config_intf); static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp) { bool any_sta_nongf = !!(erp->ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION; u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode; u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate; u32 reg; /* default protection rate for HT20: OFDM 24M */ mm20_rate = gf20_rate = 0x4004; /* default protection rate for HT40: duplicate OFDM 24M */ mm40_rate = gf40_rate = 0x4084; switch (protection) { case IEEE80211_HT_OP_MODE_PROTECTION_NONE: /* * All STAs in this BSS are HT20/40 but there might be * STAs not supporting greenfield mode. * => Disable protection for HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0; break; case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: /* * All STAs in this BSS are HT20 or HT20/40 but there * might be STAs not supporting greenfield mode. * => Protect all HT40 transmissions. */ mm20_mode = gf20_mode = 0; mm40_mode = gf40_mode = 2; break; case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: /* * Nonmember protection: * According to 802.11n we _should_ protect all * HT transmissions (but we don't have to). * * But if cts_protection is enabled we _shall_ protect * all HT transmissions using a CCK rate. * * And if any station is non GF we _shall_ protect * GF transmissions. * * We decide to protect everything * -> fall through to mixed mode. */ case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: /* * Legacy STAs are present * => Protect all HT transmissions. */ mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2; /* * If erp protection is needed we have to protect HT * transmissions with CCK 11M long preamble. */ if (erp->cts_protection) { /* don't duplicate RTS/CTS in CCK mode */ mm20_rate = mm40_rate = 0x0003; gf20_rate = gf40_rate = 0x0003; } break; } /* check for STAs not supporting greenfield mode */ if (any_sta_nongf) gf20_mode = gf40_mode = 2; /* Update HT protection config */ rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, mm20_rate); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, mm40_rate); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, gf20_rate); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, gf40_rate); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); } void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp, u32 changed) { u32 reg; if (changed & BSS_CHANGED_ERP_PREAMBLE) { rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, !!erp->short_preamble); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, !!erp->short_preamble); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); } if (changed & BSS_CHANGED_ERP_CTS_PROT) { rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, erp->cts_protection ? 2 : 0); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); } if (changed & BSS_CHANGED_BASIC_RATES) { rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, erp->basic_rates); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); } if (changed & BSS_CHANGED_ERP_SLOT) { rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, ®); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, erp->slot_time); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, erp->eifs); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); } if (changed & BSS_CHANGED_BEACON_INT) { rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, erp->beacon_int * 16); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); } if (changed & BSS_CHANGED_HT) rt2800_config_ht_opmode(rt2x00dev, erp); } EXPORT_SYMBOL_GPL(rt2800_config_erp); static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 eeprom; u8 led_ctrl, led_g_mode, led_r_mode; rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®); if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) { rt2x00_set_field32(®, GPIO_SWITCH_0, 1); rt2x00_set_field32(®, GPIO_SWITCH_1, 1); } else { rt2x00_set_field32(®, GPIO_SWITCH_0, 0); rt2x00_set_field32(®, GPIO_SWITCH_1, 0); } rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); rt2800_register_read(rt2x00dev, LED_CFG, ®); led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0; led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3; if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) || led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) { rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE); if (led_ctrl == 0 || led_ctrl > 0x40) { rt2x00_set_field32(®, LED_CFG_G_LED_MODE, led_g_mode); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, led_r_mode); rt2800_register_write(rt2x00dev, LED_CFG, reg); } else { rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff, (led_g_mode << 2) | led_r_mode, 1); } } } static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev, enum antenna ant) { u32 reg; u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0; u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1; if (rt2x00_is_pci(rt2x00dev)) { rt2800_register_read(rt2x00dev, E2PROM_CSR, ®); rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, eesk_pin); rt2800_register_write(rt2x00dev, E2PROM_CSR, reg); } else if (rt2x00_is_usb(rt2x00dev)) rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff, eesk_pin, 0); rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT3, 0); rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, gpio_bit3); rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg); } void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) { u8 r1; u8 r3; u16 eeprom; rt2800_bbp_read(rt2x00dev, 1, &r1); rt2800_bbp_read(rt2x00dev, 3, &r3); if (rt2x00_rt(rt2x00dev, RT3572) && test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) rt2800_config_3572bt_ant(rt2x00dev); /* * Configure the TX antenna. */ switch (ant->tx_chain_num) { case 1: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1); else rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2); break; case 3: rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0); break; } /* * Configure the RX antenna. */ switch (ant->rx_chain_num) { case 1: if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY)) rt2800_set_ant_diversity(rt2x00dev, rt2x00dev->default_ant.rx); } rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0); break; case 2: if (rt2x00_rt(rt2x00dev, RT3572) && test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { rt2x00_set_field8(&r3, BBP3_RX_ADC, 1); rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, rt2x00dev->curr_band == IEEE80211_BAND_5GHZ); rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B); } else { rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1); } break; case 3: rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2); break; } rt2800_bbp_write(rt2x00dev, 3, r3); rt2800_bbp_write(rt2x00dev, 1, r1); } EXPORT_SYMBOL_GPL(rt2800_config_ant); static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u16 eeprom; short lna_gain; if (libconf->rf.channel <= 14) { rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG); } else if (libconf->rf.channel <= 64) { rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0); } else if (libconf->rf.channel <= 128) { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1); } else { rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom); lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2); } rt2x00dev->lna_gain = lna_gain; } static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); if (rt2x00dev->default_ant.tx_chain_num == 1) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1); if (rt2x00dev->default_ant.rx_chain_num == 1) { rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1); rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); } else if (rt2x00dev->default_ant.rx_chain_num == 2) rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1); if (rf->channel > 14) { /* * When TX power is below 0, we should increase it by 7 to * make it a positive value (Minimum value is -7). * However this means that values between 0 and 7 have * double meaning, and we should set a 7DBm boost flag. */ rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST, (info->default_power1 >= 0)); if (info->default_power1 < 0) info->default_power1 += 7; rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST, (info->default_power2 >= 0)); if (info->default_power2 < 0) info->default_power2 += 7; rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2); } else { rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1); rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2); } rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf)); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); udelay(200); rt2800_rf_write(rt2x00dev, 1, rf->rf1); rt2800_rf_write(rt2x00dev, 2, rf->rf2); rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); rt2800_rf_write(rt2x00dev, 4, rf->rf4); } static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr, calib_tx, calib_rx; rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); if (rt2x00_rt(rt2x00dev, RT3390)) { rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, rt2x00dev->default_ant.rx_chain_num == 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, rt2x00dev->default_ant.tx_chain_num == 1); } else { rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); switch (rt2x00dev->default_ant.tx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); /* fall through */ case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); /* fall through */ case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); break; } } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (rt2x00_rt(rt2x00dev, RT3390)) { calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f; calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f; } else { if (conf_is_ht40(conf)) { calib_tx = drv_data->calibration_bw40; calib_rx = drv_data->calibration_bw40; } else { calib_tx = drv_data->calibration_bw20; calib_rx = drv_data->calibration_bw20; } } rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx); rt2800_rfcsr_write(rt2x00dev, 24, rfcsr); rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u32 reg; if (rf->channel <= 14) { rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25); rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26); } else { rt2800_bbp_write(rt2x00dev, 25, 0x09); rt2800_bbp_write(rt2x00dev, 26, 0xff); } rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3); rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2); else rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr); if (rf->channel <= 14) rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1); else rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2); rt2800_rfcsr_write(rt2x00dev, 5, rfcsr); rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1); } else { rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, (info->default_power1 & 0x3) | ((info->default_power1 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 12, rfcsr); rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr); if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2); } else { rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7); rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, (info->default_power2 & 0x3) | ((info->default_power2 & 0xC) << 1)); } rt2800_rfcsr_write(rt2x00dev, 13, rfcsr); rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0); if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { if (rf->channel <= 14) { rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); } rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); } else { switch (rt2x00dev->default_ant.tx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); case 2: rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1); break; } switch (rt2x00dev->default_ant.rx_chain_num) { case 1: rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); case 2: rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1); break; } } rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 23, rfcsr); if (conf_is_ht40(conf)) { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40); } else { rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20); rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20); } if (rf->channel <= 14) { rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0x4c); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); } else { rt2800_rfcsr_write(rt2x00dev, 7, 0x14); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x43); rt2800_rfcsr_write(rt2x00dev, 16, 0x7a); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); if (rf->channel <= 64) { rt2800_rfcsr_write(rt2x00dev, 19, 0xb7); rt2800_rfcsr_write(rt2x00dev, 20, 0xf6); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); } else if (rf->channel <= 128) { rt2800_rfcsr_write(rt2x00dev, 19, 0x74); rt2800_rfcsr_write(rt2x00dev, 20, 0xf4); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } else { rt2800_rfcsr_write(rt2x00dev, 19, 0x72); rt2800_rfcsr_write(rt2x00dev, 20, 0xf3); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); } rt2800_rfcsr_write(rt2x00dev, 26, 0x87); rt2800_rfcsr_write(rt2x00dev, 27, 0x01); rt2800_rfcsr_write(rt2x00dev, 29, 0x9f); } rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT7, 0); if (rf->channel <= 14) rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT7, 1); else rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT7, 0); rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg); rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); } #define RT5390_POWER_BOUND 0x27 #define RT5390_FREQ_OFFSET_BOUND 0x5f static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u8 rfcsr; rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1); rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3); rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2); rt2800_rfcsr_write(rt2x00dev, 11, rfcsr); rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr); if (info->default_power1 > RT5390_POWER_BOUND) rt2x00_set_field8(&rfcsr, RFCSR49_TX, RT5390_POWER_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr); if (rt2x00dev->freq_offset > RT5390_FREQ_OFFSET_BOUND) rt2x00_set_field8(&rfcsr, RFCSR17_CODE, RT5390_FREQ_OFFSET_BOUND); else rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset); rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); if (rf->channel <= 14) { int idx = rf->channel-1; if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { /* r55/r59 value array of channel 1~14 */ static const char r55_bt_rev[] = {0x83, 0x83, 0x83, 0x73, 0x73, 0x63, 0x53, 0x53, 0x53, 0x43, 0x43, 0x43, 0x43, 0x43}; static const char r59_bt_rev[] = {0x0e, 0x0e, 0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07}; rt2800_rfcsr_write(rt2x00dev, 55, r55_bt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_bt_rev[idx]); } else { static const char r59_bt[] = {0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89, 0x88, 0x88, 0x86, 0x85, 0x84}; rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]); } } else { if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) { static const char r55_nonbt_rev[] = {0x23, 0x23, 0x23, 0x23, 0x13, 0x13, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}; static const char r59_nonbt_rev[] = {0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x05, 0x04, 0x04}; rt2800_rfcsr_write(rt2x00dev, 55, r55_nonbt_rev[idx]); rt2800_rfcsr_write(rt2x00dev, 59, r59_nonbt_rev[idx]); } else if (rt2x00_rt(rt2x00dev, RT5390)) { static const char r59_non_bt[] = {0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d, 0x8a, 0x88, 0x88, 0x87, 0x87, 0x86}; rt2800_rfcsr_write(rt2x00dev, 59, r59_non_bt[idx]); } } } rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0); rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); } static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, struct rf_channel *rf, struct channel_info *info) { u32 reg; unsigned int tx_pin; u8 bbp; if (rf->channel <= 14) { info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1); info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2); } else { info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1); info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2); } switch (rt2x00dev->chip.rf) { case RF2020: case RF3020: case RF3021: case RF3022: case RF3320: rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info); break; case RF3052: rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info); break; case RF5370: case RF5390: rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info); break; default: rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info); } /* * Change BBP settings */ rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain); rt2800_bbp_write(rt2x00dev, 86, 0); if (rf->channel <= 14) { if (!rt2x00_rt(rt2x00dev, RT5390)) { if (test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags)) { rt2800_bbp_write(rt2x00dev, 82, 0x62); rt2800_bbp_write(rt2x00dev, 75, 0x46); } else { rt2800_bbp_write(rt2x00dev, 82, 0x84); rt2800_bbp_write(rt2x00dev, 75, 0x50); } } } else { if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_bbp_write(rt2x00dev, 82, 0x94); else rt2800_bbp_write(rt2x00dev, 82, 0xf2); if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags)) rt2800_bbp_write(rt2x00dev, 75, 0x46); else rt2800_bbp_write(rt2x00dev, 75, 0x50); } rt2800_register_read(rt2x00dev, TX_BAND_CFG, ®); rt2x00_set_field32(®, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf)); rt2x00_set_field32(®, TX_BAND_CFG_A, rf->channel > 14); rt2x00_set_field32(®, TX_BAND_CFG_BG, rf->channel <= 14); rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_rfcsr_write(rt2x00dev, 8, 0); tx_pin = 0; /* Turn on unused PA or LNA when not using 1T or 1R */ if (rt2x00dev->default_ant.tx_chain_num == 2) { rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, rf->channel > 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, rf->channel <= 14); } /* Turn on unused PA or LNA when not using 1T or 1R */ if (rt2x00dev->default_ant.rx_chain_num == 2) { rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1); } rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1); if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); else rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, rf->channel <= 14); rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14); rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); if (rt2x00_rt(rt2x00dev, RT3572)) rt2800_rfcsr_write(rt2x00dev, 8, 0x80); rt2800_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf)); rt2800_bbp_write(rt2x00dev, 4, bbp); rt2800_bbp_read(rt2x00dev, 3, &bbp); rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf)); rt2800_bbp_write(rt2x00dev, 3, bbp); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { if (conf_is_ht40(conf)) { rt2800_bbp_write(rt2x00dev, 69, 0x1a); rt2800_bbp_write(rt2x00dev, 70, 0x0a); rt2800_bbp_write(rt2x00dev, 73, 0x16); } else { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 70, 0x08); rt2800_bbp_write(rt2x00dev, 73, 0x11); } } msleep(1); /* * Clear channel statistic counters */ rt2800_register_read(rt2x00dev, CH_IDLE_STA, ®); rt2800_register_read(rt2x00dev, CH_BUSY_STA, ®); rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, ®); } static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) { u8 tssi_bounds[9]; u8 current_tssi; u16 eeprom; u8 step; int i; /* * Read TSSI boundaries for temperature compensation from * the EEPROM. * * Array idx 0 1 2 3 4 5 6 7 8 * Matching Delta value -4 -3 -2 -1 0 +1 +2 +3 +4 * Example TSSI bounds 0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00 */ if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG1_MINUS3); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG2_MINUS1); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG3_PLUS1); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG4_PLUS3); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_BG5_AGC_STEP); } else { rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom); tssi_bounds[0] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS4); tssi_bounds[1] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A1_MINUS3); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom); tssi_bounds[2] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS2); tssi_bounds[3] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A2_MINUS1); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom); tssi_bounds[4] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_REF); tssi_bounds[5] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A3_PLUS1); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom); tssi_bounds[6] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS2); tssi_bounds[7] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A4_PLUS3); rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom); tssi_bounds[8] = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_PLUS4); step = rt2x00_get_field16(eeprom, EEPROM_TSSI_BOUND_A5_AGC_STEP); } /* * Check if temperature compensation is supported. */ if (tssi_bounds[4] == 0xff) return 0; /* * Read current TSSI (BBP 49). */ rt2800_bbp_read(rt2x00dev, 49, ¤t_tssi); /* * Compare TSSI value (BBP49) with the compensation boundaries * from the EEPROM and increase or decrease tx power. */ for (i = 0; i <= 3; i++) { if (current_tssi > tssi_bounds[i]) break; } if (i == 4) { for (i = 8; i >= 5; i--) { if (current_tssi < tssi_bounds[i]) break; } } return (i - 4) * step; } static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev, enum ieee80211_band band) { u16 eeprom; u8 comp_en; u8 comp_type; int comp_value = 0; rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom); /* * HT40 compensation not required. */ if (eeprom == 0xffff || !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0; if (band == IEEE80211_BAND_2GHZ) { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_2G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_2G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_2G); if (!comp_type) comp_value = -comp_value; } } else { comp_en = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_ENABLE_5G); if (comp_en) { comp_type = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_TYPE_5G); comp_value = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_DELTA_VALUE_5G); if (!comp_type) comp_value = -comp_value; } } return comp_value; } static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b, enum ieee80211_band band, int power_level, u8 txpower, int delta) { u32 reg; u16 eeprom; u8 criterion; u8 eirp_txpower; u8 eirp_txpower_criterion; u8 reg_limit; if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b)) return txpower; if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) { /* * Check if eirp txpower exceed txpower_limit. * We use OFDM 6M as criterion and its eirp txpower * is stored at EEPROM_EIRP_MAX_TX_POWER. * .11b data rate need add additional 4dbm * when calculating eirp txpower. */ rt2800_register_read(rt2x00dev, TX_PWR_CFG_0, ®); criterion = rt2x00_get_field32(reg, TX_PWR_CFG_0_6MBS); rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom); if (band == IEEE80211_BAND_2GHZ) eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ); else eirp_txpower_criterion = rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_5GHZ); eirp_txpower = eirp_txpower_criterion + (txpower - criterion) + (is_rate_b ? 4 : 0) + delta; reg_limit = (eirp_txpower > power_level) ? (eirp_txpower - power_level) : 0; } else reg_limit = 0; return txpower + delta - reg_limit; } static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev, enum ieee80211_band band, int power_level) { u8 txpower; u16 eeprom; int i, is_rate_b; u32 reg; u8 r1; u32 offset; int delta; /* * Calculate HT40 compensation delta */ delta = rt2800_get_txpower_bw_comp(rt2x00dev, band); /* * calculate temperature compensation delta */ delta += rt2800_get_gain_calibration_delta(rt2x00dev); /* * set to normal bbp tx power control mode: +/- 0dBm */ rt2800_bbp_read(rt2x00dev, 1, &r1); rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, 0); rt2800_bbp_write(rt2x00dev, 1, r1); offset = TX_PWR_CFG_0; for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) { /* just to be safe */ if (offset > TX_PWR_CFG_4) break; rt2800_register_read(rt2x00dev, offset, ®); /* read the next four txpower values */ rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i, &eeprom); is_rate_b = i ? 0 : 1; /* * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS, * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE0, txpower); /* * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS, * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE1, txpower); /* * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS, * TX_PWR_CFG_2: MCS6, TX_PWR_CFG_3: MCS14, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE2, txpower); /* * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS, * TX_PWR_CFG_2: MCS7, TX_PWR_CFG_3: MCS15, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE3, txpower); /* read the next four txpower values */ rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1, &eeprom); is_rate_b = 0; /* * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0, * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE4, txpower); /* * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1, * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE5, txpower); /* * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2, * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE6, txpower); /* * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3, * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown, * TX_PWR_CFG_4: unknown */ txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3); txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band, power_level, txpower, delta); rt2x00_set_field32(®, TX_PWR_CFG_RATE7, txpower); rt2800_register_write(rt2x00dev, offset, reg); /* next TX_PWR_CFG register */ offset += 4; } } void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev) { rt2800_config_txpower(rt2x00dev, rt2x00dev->curr_band, rt2x00dev->tx_power); } EXPORT_SYMBOL_GPL(rt2800_gain_calibration); static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { u32 reg; rt2800_register_read(rt2x00dev, TX_RTY_CFG, ®); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, libconf->conf->short_frame_max_tx_count); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, libconf->conf->long_frame_max_tx_count); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); } static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf) { enum dev_state state = (libconf->conf->flags & IEEE80211_CONF_PS) ? STATE_SLEEP : STATE_AWAKE; u32 reg; if (state == STATE_SLEEP) { rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0); rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, libconf->conf->listen_interval - 1); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 1); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } else { rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, ®); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0); rt2x00_set_field32(®, AUTOWAKEUP_CFG_AUTOWAKE, 0); rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg); rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); } } void rt2800_config(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_conf *libconf, const unsigned int flags) { /* Always recalculate LNA gain before changing configuration */ rt2800_config_lna_gain(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_CHANNEL) { rt2800_config_channel(rt2x00dev, libconf->conf, &libconf->rf, &libconf->channel); rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band, libconf->conf->power_level); } if (flags & IEEE80211_CONF_CHANGE_POWER) rt2800_config_txpower(rt2x00dev, libconf->conf->channel->band, libconf->conf->power_level); if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS) rt2800_config_retry_limit(rt2x00dev, libconf); if (flags & IEEE80211_CONF_CHANGE_PS) rt2800_config_ps(rt2x00dev, libconf); } EXPORT_SYMBOL_GPL(rt2800_config); /* * Link tuning */ void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { u32 reg; /* * Update FCS error count from register. */ rt2800_register_read(rt2x00dev, RX_STA_CNT0, ®); qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR); } EXPORT_SYMBOL_GPL(rt2800_link_stats); static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev) { if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) { if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT5390)) return 0x1c + (2 * rt2x00dev->lna_gain); else return 0x2e + rt2x00dev->lna_gain; } if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) return 0x32 + (rt2x00dev->lna_gain * 5) / 3; else return 0x3a + (rt2x00dev->lna_gain * 5) / 3; } static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, u8 vgc_level) { if (qual->vgc_level != vgc_level) { rt2800_bbp_write(rt2x00dev, 66, vgc_level); qual->vgc_level = vgc_level; qual->vgc_level_reg = vgc_level; } } void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual) { rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev)); } EXPORT_SYMBOL_GPL(rt2800_reset_tuner); void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count) { if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) return; /* * When RSSI is better then -80 increase VGC level with 0x10 */ rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev) + ((qual->rssi > -80) * 0x10)); } EXPORT_SYMBOL_GPL(rt2800_link_tuner); /* * Initialization functions. */ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 eeprom; unsigned int i; int ret; rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); ret = rt2800_drv_init_registers(rt2x00dev); if (ret) return ret; rt2800_register_read(rt2x00dev, BCN_OFFSET0, ®); rt2x00_set_field32(®, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */ rt2x00_set_field32(®, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */ rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg); rt2800_register_read(rt2x00dev, BCN_OFFSET1, ®); rt2x00_set_field32(®, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */ rt2x00_set_field32(®, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */ rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg); rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f); rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, 1600); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_SYNC, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 0); rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); rt2x00_set_field32(®, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0); rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); rt2800_config_filter(rt2x00dev, FIF_ALLMULTI); rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, ®); rt2x00_set_field32(®, BKOFF_SLOT_CFG_SLOT_TIME, 9); rt2x00_set_field32(®, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2); rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg); if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); else rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000000f); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2x00_rt(rt2x00dev, RT3070)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } } else if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030); } else if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } else if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000); } else { rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000); rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606); } rt2800_register_read(rt2x00dev, TX_LINK_CFG, ®); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32); rt2x00_set_field32(®, TX_LINK_CFG_MFB_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_MRQ_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_RDG_EN, 0); rt2x00_set_field32(®, TX_LINK_CFG_TX_CF_ACK_EN, 1); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFB, 0); rt2x00_set_field32(®, TX_LINK_CFG_REMOTE_MFS, 0); rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg); rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, ®); rt2x00_set_field32(®, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9); rt2x00_set_field32(®, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32); rt2x00_set_field32(®, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10); rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg); rt2800_register_read(rt2x00dev, MAX_LEN_CFG, ®); rt2x00_set_field32(®, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE); if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) || rt2x00_rt(rt2x00dev, RT2883) || rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 2); else rt2x00_set_field32(®, MAX_LEN_CFG_MAX_PSDU, 1); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_PSDU, 0); rt2x00_set_field32(®, MAX_LEN_CFG_MIN_MPDU, 0); rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg); rt2800_register_read(rt2x00dev, LED_CFG, ®); rt2x00_set_field32(®, LED_CFG_ON_PERIOD, 70); rt2x00_set_field32(®, LED_CFG_OFF_PERIOD, 30); rt2x00_set_field32(®, LED_CFG_SLOW_BLINK_PERIOD, 3); rt2x00_set_field32(®, LED_CFG_R_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_G_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_Y_LED_MODE, 3); rt2x00_set_field32(®, LED_CFG_LED_POLAR, 1); rt2800_register_write(rt2x00dev, LED_CFG, reg); rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f); rt2800_register_read(rt2x00dev, TX_RTY_CFG, ®); rt2x00_set_field32(®, TX_RTY_CFG_SHORT_RTY_LIMIT, 15); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_LIMIT, 31); rt2x00_set_field32(®, TX_RTY_CFG_LONG_RTY_THRE, 2000); rt2x00_set_field32(®, TX_RTY_CFG_NON_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_AGG_RTY_MODE, 0); rt2x00_set_field32(®, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1); rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg); rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, ®); rt2x00_set_field32(®, AUTO_RSP_CFG_AUTORESPONDER, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_BAC_ACK_POLICY, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MMODE, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_CTS_40_MREF, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_AR_PREAMBLE, 1); rt2x00_set_field32(®, AUTO_RSP_CFG_DUAL_CTS_EN, 0); rt2x00_set_field32(®, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0); rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg); rt2800_register_read(rt2x00dev, CCK_PROT_CFG, ®); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, 1); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_RATE, 3); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, 1); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_RATE, 0x4004); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_RATE, 0x4084); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_CTRL, 0); rt2x00_set_field32(®, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1); rt2x00_set_field32(®, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, 0); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006); rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_DMA_BUSY, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_BIG_ENDIAN, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_HDR_SEG_LEN, 0); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); } /* * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1 * although it is reserved. */ rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, ®); rt2x00_set_field32(®, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_AC_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1); rt2x00_set_field32(®, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_EN, 0); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CCA_DLY, 88); rt2x00_set_field32(®, TXOP_CTRL_CFG_EXT_CWMIN, 0); rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg); rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, 0x00000002); rt2800_register_read(rt2x00dev, TX_RTS_CFG, ®); rt2x00_set_field32(®, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, IEEE80211_MAX_RTS_THRESHOLD); rt2x00_set_field32(®, TX_RTS_CFG_RTS_FBK_EN, 0); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca); /* * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS * time should be set to 16. However, the original Ralink driver uses * 16 for both and indeed using a value of 10 for CCK SIFS results in * connection problems with 11g + CTS protection. Hence, use the same * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS. */ rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, ®); rt2x00_set_field32(®, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16); rt2x00_set_field32(®, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4); rt2x00_set_field32(®, XIFS_TIME_CFG_EIFS, 314); rt2x00_set_field32(®, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1); rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg); rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); /* * ASIC will keep garbage value after boot, clear encryption keys. */ for (i = 0; i < 4; i++) rt2800_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0); for (i = 0; i < 256; i++) { rt2800_config_wcid(rt2x00dev, NULL, i); rt2800_delete_wcid_attr(rt2x00dev, i); rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0); } /* * Clear all beacons */ rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6); rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7); if (rt2x00_is_usb(rt2x00dev)) { rt2800_register_read(rt2x00dev, US_CYC_CNT, ®); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 30); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } else if (rt2x00_is_pcie(rt2x00dev)) { rt2800_register_read(rt2x00dev, US_CYC_CNT, ®); rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125); rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } rt2800_register_read(rt2x00dev, HT_FBK_CFG0, ®); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS0FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS1FBK, 0); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS2FBK, 1); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS3FBK, 2); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS4FBK, 3); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS5FBK, 4); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS6FBK, 5); rt2x00_set_field32(®, HT_FBK_CFG0_HTMCS7FBK, 6); rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg); rt2800_register_read(rt2x00dev, HT_FBK_CFG1, ®); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS8FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS9FBK, 8); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS10FBK, 9); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS11FBK, 10); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS12FBK, 11); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS13FBK, 12); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS14FBK, 13); rt2x00_set_field32(®, HT_FBK_CFG1_HTMCS15FBK, 14); rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg); rt2800_register_read(rt2x00dev, LG_FBK_CFG0, ®); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS0FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS1FBK, 8); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS2FBK, 9); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS3FBK, 10); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS4FBK, 11); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS5FBK, 12); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS6FBK, 13); rt2x00_set_field32(®, LG_FBK_CFG0_OFDMMCS7FBK, 14); rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg); rt2800_register_read(rt2x00dev, LG_FBK_CFG1, ®); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS0FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS1FBK, 0); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS2FBK, 1); rt2x00_set_field32(®, LG_FBK_CFG0_CCKMCS3FBK, 2); rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg); /* * Do not force the BA window size, we use the TXWI to set it */ rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, ®); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0); rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0); rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg); /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value. */ rt2800_register_read(rt2x00dev, RX_STA_CNT0, ®); rt2800_register_read(rt2x00dev, RX_STA_CNT1, ®); rt2800_register_read(rt2x00dev, RX_STA_CNT2, ®); rt2800_register_read(rt2x00dev, TX_STA_CNT0, ®); rt2800_register_read(rt2x00dev, TX_STA_CNT1, ®); rt2800_register_read(rt2x00dev, TX_STA_CNT2, ®); /* * Setup leadtime for pre tbtt interrupt to 6ms */ rt2800_register_read(rt2x00dev, INT_TIMER_CFG, ®); rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4); rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg); /* * Set up channel statistics timer */ rt2800_register_read(rt2x00dev, CH_TIME_CFG, ®); rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1); rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1); rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg); return 0; } static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u32 reg; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, ®); if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY)) return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP/RF register access failed, aborting.\n"); return -EACCES; } static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; u8 value; /* * BBP was enabled after firmware was loaded, * but we need to reactivate it now. */ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); msleep(1); for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2800_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; } static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; u16 eeprom; u8 reg_id; u8 value; if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) || rt2800_wait_bbp_ready(rt2x00dev))) return -EACCES; if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_bbp_read(rt2x00dev, 4, &value); rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1); rt2800_bbp_write(rt2x00dev, 4, value); } if (rt2800_is_305x_soc(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 31, 0x08); rt2800_bbp_write(rt2x00dev, 65, 0x2c); rt2800_bbp_write(rt2x00dev, 66, 0x38); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 68, 0x0b); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) { rt2800_bbp_write(rt2x00dev, 69, 0x16); rt2800_bbp_write(rt2x00dev, 73, 0x12); } else if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x13); rt2800_bbp_write(rt2x00dev, 75, 0x46); rt2800_bbp_write(rt2x00dev, 76, 0x28); rt2800_bbp_write(rt2x00dev, 77, 0x59); } else { rt2800_bbp_write(rt2x00dev, 69, 0x12); rt2800_bbp_write(rt2x00dev, 73, 0x10); } rt2800_bbp_write(rt2x00dev, 70, 0x0a); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390)) { rt2800_bbp_write(rt2x00dev, 79, 0x13); rt2800_bbp_write(rt2x00dev, 80, 0x05); rt2800_bbp_write(rt2x00dev, 81, 0x33); } else if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_bbp_write(rt2x00dev, 78, 0x0e); rt2800_bbp_write(rt2x00dev, 80, 0x08); } else { rt2800_bbp_write(rt2x00dev, 81, 0x37); } rt2800_bbp_write(rt2x00dev, 82, 0x62); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 83, 0x7a); else rt2800_bbp_write(rt2x00dev, 83, 0x6a); if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D)) rt2800_bbp_write(rt2x00dev, 84, 0x19); else if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 84, 0x9a); else rt2800_bbp_write(rt2x00dev, 84, 0x99); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 86, 0x38); else rt2800_bbp_write(rt2x00dev, 86, 0x00); rt2800_bbp_write(rt2x00dev, 91, 0x04); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 92, 0x02); else rt2800_bbp_write(rt2x00dev, 92, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390) || rt2800_is_305x_soc(rt2x00dev)) rt2800_bbp_write(rt2x00dev, 103, 0xc0); else rt2800_bbp_write(rt2x00dev, 103, 0x00); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 104, 0x92); if (rt2800_is_305x_soc(rt2x00dev)) rt2800_bbp_write(rt2x00dev, 105, 0x01); else if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 105, 0x3c); else rt2800_bbp_write(rt2x00dev, 105, 0x05); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 106, 0x03); else rt2800_bbp_write(rt2x00dev, 106, 0x35); if (rt2x00_rt(rt2x00dev, RT5390)) rt2800_bbp_write(rt2x00dev, 128, 0x12); if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT3572) || rt2x00_rt(rt2x00dev, RT5390)) { rt2800_bbp_read(rt2x00dev, 138, &value); rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) value |= 0x20; if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) value &= ~0x02; rt2800_bbp_write(rt2x00dev, 138, value); } if (rt2x00_rt(rt2x00dev, RT5390)) { int ant, div_mode; rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); ant = (div_mode == 3) ? 1 : 0; /* check if this is a Bluetooth combo card */ if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) { u32 reg; rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT3, 0); rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT6, 0); rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, 0); rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT6, 0); if (ant == 0) rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT3, 1); else if (ant == 1) rt2x00_set_field32(®, GPIO_CTRL_CFG_BIT6, 1); rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg); } rt2800_bbp_read(rt2x00dev, 152, &value); if (ant == 0) rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); else rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); rt2800_bbp_write(rt2x00dev, 152, value); /* Init frequency calibration */ rt2800_bbp_write(rt2x00dev, 142, 1); rt2800_bbp_write(rt2x00dev, 143, 57); } for (i = 0; i < EEPROM_BBP_SIZE; i++) { rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); if (eeprom != 0xffff && eeprom != 0x0000) { reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); rt2800_bbp_write(rt2x00dev, reg_id, value); } } return 0; } static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40, u8 rfcsr24, u8 filter_target) { unsigned int i; u8 bbp; u8 rfcsr; u8 passband; u8 stopband; u8 overtuned = 0; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); rt2800_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40); rt2800_bbp_write(rt2x00dev, 4, bbp); rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40); rt2800_rfcsr_write(rt2x00dev, 31, rfcsr); rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set power & frequency of passband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800_bbp_read(rt2x00dev, 55, &passband); if (passband) break; } /* * Set power & frequency of stopband test tone */ rt2800_bbp_write(rt2x00dev, 24, 0x06); for (i = 0; i < 100; i++) { rt2800_bbp_write(rt2x00dev, 25, 0x90); msleep(1); rt2800_bbp_read(rt2x00dev, 55, &stopband); if ((passband - stopband) <= filter_target) { rfcsr24++; overtuned += ((passband - stopband) == filter_target); } else break; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); } rfcsr24 -= !!overtuned; rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24); return rfcsr24; } static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) { struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; u8 rfcsr; u8 bbp; u32 reg; u16 eeprom; if (!rt2x00_rt(rt2x00dev, RT3070) && !rt2x00_rt(rt2x00dev, RT3071) && !rt2x00_rt(rt2x00dev, RT3090) && !rt2x00_rt(rt2x00dev, RT3390) && !rt2x00_rt(rt2x00dev, RT3572) && !rt2x00_rt(rt2x00dev, RT5390) && !rt2800_is_305x_soc(rt2x00dev)) return 0; /* * Init RF calibration. */ if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0); rt2800_rfcsr_write(rt2x00dev, 2, rfcsr); } else { rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); msleep(1); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) { rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x60); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x41); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x7b); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); rt2800_rfcsr_write(rt2x00dev, 29, 0x1f); } else if (rt2x00_rt(rt2x00dev, RT3390)) { rt2800_rfcsr_write(rt2x00dev, 0, 0xa0); rt2800_rfcsr_write(rt2x00dev, 1, 0xe1); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x62); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x8b); rt2800_rfcsr_write(rt2x00dev, 6, 0x42); rt2800_rfcsr_write(rt2x00dev, 7, 0x34); rt2800_rfcsr_write(rt2x00dev, 8, 0x00); rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); rt2800_rfcsr_write(rt2x00dev, 10, 0x61); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x3b); rt2800_rfcsr_write(rt2x00dev, 13, 0xe0); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0xe0); rt2800_rfcsr_write(rt2x00dev, 17, 0x94); rt2800_rfcsr_write(rt2x00dev, 18, 0x5c); rt2800_rfcsr_write(rt2x00dev, 19, 0x4a); rt2800_rfcsr_write(rt2x00dev, 20, 0xb2); rt2800_rfcsr_write(rt2x00dev, 21, 0xf6); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x14); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x3d); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x41); rt2800_rfcsr_write(rt2x00dev, 29, 0x8f); rt2800_rfcsr_write(rt2x00dev, 30, 0x20); rt2800_rfcsr_write(rt2x00dev, 31, 0x0f); } else if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_rfcsr_write(rt2x00dev, 0, 0x70); rt2800_rfcsr_write(rt2x00dev, 1, 0x81); rt2800_rfcsr_write(rt2x00dev, 2, 0xf1); rt2800_rfcsr_write(rt2x00dev, 3, 0x02); rt2800_rfcsr_write(rt2x00dev, 4, 0x4c); rt2800_rfcsr_write(rt2x00dev, 5, 0x05); rt2800_rfcsr_write(rt2x00dev, 6, 0x4a); rt2800_rfcsr_write(rt2x00dev, 7, 0xd8); rt2800_rfcsr_write(rt2x00dev, 9, 0xc3); rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); rt2800_rfcsr_write(rt2x00dev, 11, 0xb9); rt2800_rfcsr_write(rt2x00dev, 12, 0x70); rt2800_rfcsr_write(rt2x00dev, 13, 0x65); rt2800_rfcsr_write(rt2x00dev, 14, 0xa0); rt2800_rfcsr_write(rt2x00dev, 15, 0x53); rt2800_rfcsr_write(rt2x00dev, 16, 0x4c); rt2800_rfcsr_write(rt2x00dev, 17, 0x23); rt2800_rfcsr_write(rt2x00dev, 18, 0xac); rt2800_rfcsr_write(rt2x00dev, 19, 0x93); rt2800_rfcsr_write(rt2x00dev, 20, 0xb3); rt2800_rfcsr_write(rt2x00dev, 21, 0xd0); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x3c); rt2800_rfcsr_write(rt2x00dev, 24, 0x16); rt2800_rfcsr_write(rt2x00dev, 25, 0x15); rt2800_rfcsr_write(rt2x00dev, 26, 0x85); rt2800_rfcsr_write(rt2x00dev, 27, 0x00); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x9b); rt2800_rfcsr_write(rt2x00dev, 30, 0x09); rt2800_rfcsr_write(rt2x00dev, 31, 0x10); } else if (rt2800_is_305x_soc(rt2x00dev)) { rt2800_rfcsr_write(rt2x00dev, 0, 0x50); rt2800_rfcsr_write(rt2x00dev, 1, 0x01); rt2800_rfcsr_write(rt2x00dev, 2, 0xf7); rt2800_rfcsr_write(rt2x00dev, 3, 0x75); rt2800_rfcsr_write(rt2x00dev, 4, 0x40); rt2800_rfcsr_write(rt2x00dev, 5, 0x03); rt2800_rfcsr_write(rt2x00dev, 6, 0x02); rt2800_rfcsr_write(rt2x00dev, 7, 0x50); rt2800_rfcsr_write(rt2x00dev, 8, 0x39); rt2800_rfcsr_write(rt2x00dev, 9, 0x0f); rt2800_rfcsr_write(rt2x00dev, 10, 0x60); rt2800_rfcsr_write(rt2x00dev, 11, 0x21); rt2800_rfcsr_write(rt2x00dev, 12, 0x75); rt2800_rfcsr_write(rt2x00dev, 13, 0x75); rt2800_rfcsr_write(rt2x00dev, 14, 0x90); rt2800_rfcsr_write(rt2x00dev, 15, 0x58); rt2800_rfcsr_write(rt2x00dev, 16, 0xb3); rt2800_rfcsr_write(rt2x00dev, 17, 0x92); rt2800_rfcsr_write(rt2x00dev, 18, 0x2c); rt2800_rfcsr_write(rt2x00dev, 19, 0x02); rt2800_rfcsr_write(rt2x00dev, 20, 0xba); rt2800_rfcsr_write(rt2x00dev, 21, 0xdb); rt2800_rfcsr_write(rt2x00dev, 22, 0x00); rt2800_rfcsr_write(rt2x00dev, 23, 0x31); rt2800_rfcsr_write(rt2x00dev, 24, 0x08); rt2800_rfcsr_write(rt2x00dev, 25, 0x01); rt2800_rfcsr_write(rt2x00dev, 26, 0x25); rt2800_rfcsr_write(rt2x00dev, 27, 0x23); rt2800_rfcsr_write(rt2x00dev, 28, 0x13); rt2800_rfcsr_write(rt2x00dev, 29, 0x83); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x00); return 0; } else if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_rfcsr_write(rt2x00dev, 1, 0x0f); rt2800_rfcsr_write(rt2x00dev, 2, 0x80); rt2800_rfcsr_write(rt2x00dev, 3, 0x88); rt2800_rfcsr_write(rt2x00dev, 5, 0x10); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); else rt2800_rfcsr_write(rt2x00dev, 6, 0xa0); rt2800_rfcsr_write(rt2x00dev, 7, 0x00); rt2800_rfcsr_write(rt2x00dev, 10, 0x53); rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); rt2800_rfcsr_write(rt2x00dev, 12, 0xc6); rt2800_rfcsr_write(rt2x00dev, 13, 0x9f); rt2800_rfcsr_write(rt2x00dev, 14, 0x00); rt2800_rfcsr_write(rt2x00dev, 15, 0x00); rt2800_rfcsr_write(rt2x00dev, 16, 0x00); rt2800_rfcsr_write(rt2x00dev, 18, 0x03); rt2800_rfcsr_write(rt2x00dev, 19, 0x00); rt2800_rfcsr_write(rt2x00dev, 20, 0x00); rt2800_rfcsr_write(rt2x00dev, 21, 0x00); rt2800_rfcsr_write(rt2x00dev, 22, 0x20); rt2800_rfcsr_write(rt2x00dev, 23, 0x00); rt2800_rfcsr_write(rt2x00dev, 24, 0x00); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 25, 0x80); else rt2800_rfcsr_write(rt2x00dev, 25, 0xc0); rt2800_rfcsr_write(rt2x00dev, 26, 0x00); rt2800_rfcsr_write(rt2x00dev, 27, 0x09); rt2800_rfcsr_write(rt2x00dev, 28, 0x00); rt2800_rfcsr_write(rt2x00dev, 29, 0x10); rt2800_rfcsr_write(rt2x00dev, 30, 0x00); rt2800_rfcsr_write(rt2x00dev, 31, 0x80); rt2800_rfcsr_write(rt2x00dev, 32, 0x80); rt2800_rfcsr_write(rt2x00dev, 33, 0x00); rt2800_rfcsr_write(rt2x00dev, 34, 0x07); rt2800_rfcsr_write(rt2x00dev, 35, 0x12); rt2800_rfcsr_write(rt2x00dev, 36, 0x00); rt2800_rfcsr_write(rt2x00dev, 37, 0x08); rt2800_rfcsr_write(rt2x00dev, 38, 0x85); rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 40, 0x0b); else rt2800_rfcsr_write(rt2x00dev, 40, 0x4b); rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); rt2800_rfcsr_write(rt2x00dev, 42, 0xd2); rt2800_rfcsr_write(rt2x00dev, 43, 0x9a); rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 46, 0x73); else rt2800_rfcsr_write(rt2x00dev, 46, 0x7b); rt2800_rfcsr_write(rt2x00dev, 47, 0x00); rt2800_rfcsr_write(rt2x00dev, 48, 0x10); rt2800_rfcsr_write(rt2x00dev, 49, 0x94); rt2800_rfcsr_write(rt2x00dev, 52, 0x38); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 53, 0x00); else rt2800_rfcsr_write(rt2x00dev, 53, 0x84); rt2800_rfcsr_write(rt2x00dev, 54, 0x78); rt2800_rfcsr_write(rt2x00dev, 55, 0x44); rt2800_rfcsr_write(rt2x00dev, 56, 0x22); rt2800_rfcsr_write(rt2x00dev, 57, 0x80); rt2800_rfcsr_write(rt2x00dev, 58, 0x7f); rt2800_rfcsr_write(rt2x00dev, 59, 0x63); rt2800_rfcsr_write(rt2x00dev, 60, 0x45); if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) rt2800_rfcsr_write(rt2x00dev, 61, 0xd1); else rt2800_rfcsr_write(rt2x00dev, 61, 0xdd); rt2800_rfcsr_write(rt2x00dev, 62, 0x00); rt2800_rfcsr_write(rt2x00dev, 63, 0x00); } if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) { rt2800_register_read(rt2x00dev, LDO_CFG0, ®); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090)) { rt2800_rfcsr_write(rt2x00dev, 31, 0x14); rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800_register_read(rt2x00dev, LDO_CFG0, ®); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) { rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST)) rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); else rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); } rt2800_register_write(rt2x00dev, LDO_CFG0, reg); rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); } else if (rt2x00_rt(rt2x00dev, RT3390)) { rt2800_register_read(rt2x00dev, GPIO_SWITCH, ®); rt2x00_set_field32(®, GPIO_SWITCH_5, 0); rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg); } else if (rt2x00_rt(rt2x00dev, RT3572)) { rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1); rt2800_rfcsr_write(rt2x00dev, 6, rfcsr); rt2800_register_read(rt2x00dev, LDO_CFG0, ®); rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 3); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); msleep(1); rt2800_register_read(rt2x00dev, LDO_CFG0, ®); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); } /* * Set RX Filter calibration for 20MHz and 40MHz */ if (rt2x00_rt(rt2x00dev, RT3070)) { drv_data->calibration_bw20 = rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16); drv_data->calibration_bw40 = rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19); } else if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390) || rt2x00_rt(rt2x00dev, RT3572)) { drv_data->calibration_bw20 = rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13); drv_data->calibration_bw40 = rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15); } /* * Save BBP 25 & 26 values for later use in channel switching */ rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25); rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26); if (!rt2x00_rt(rt2x00dev, RT5390)) { /* * Set back to initial state */ rt2800_bbp_write(rt2x00dev, 24, 0); rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0); rt2800_rfcsr_write(rt2x00dev, 22, rfcsr); /* * Set BBP back to BW20 */ rt2800_bbp_read(rt2x00dev, 4, &bbp); rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0); rt2800_bbp_write(rt2x00dev, 4, bbp); } if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) rt2800_rfcsr_write(rt2x00dev, 27, 0x03); rt2800_register_read(rt2x00dev, OPT_14_CSR, ®); rt2x00_set_field32(®, OPT_14_CSR_BIT0, 1); rt2800_register_write(rt2x00dev, OPT_14_CSR, reg); if (!rt2x00_rt(rt2x00dev, RT5390)) { rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) || rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) || rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) { if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags)) rt2x00_set_field8(&rfcsr, RFCSR17_R, 1); } rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1) rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL)); rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); } if (rt2x00_rt(rt2x00dev, RT3090)) { rt2800_bbp_read(rt2x00dev, 138, &bbp); /* Turn off unused DAC1 and ADC1 to reduce power consumption */ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1) rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1); rt2800_bbp_write(rt2x00dev, 138, bbp); } if (rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0); rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); rt2800_rfcsr_write(rt2x00dev, 1, rfcsr); rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 15, rfcsr); rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 20, rfcsr); rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 21, rfcsr); } if (rt2x00_rt(rt2x00dev, RT3070)) { rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr); if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3); else rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0); rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0); rt2800_rfcsr_write(rt2x00dev, 27, rfcsr); } if (rt2x00_rt(rt2x00dev, RT5390)) { rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0); rt2800_rfcsr_write(rt2x00dev, 38, rfcsr); rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0); rt2800_rfcsr_write(rt2x00dev, 39, rfcsr); rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2); rt2800_rfcsr_write(rt2x00dev, 30, rfcsr); } return 0; } int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 word; /* * Initialize all registers. */ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || rt2800_init_registers(rt2x00dev) || rt2800_init_bbp(rt2x00dev) || rt2800_init_rfcsr(rt2x00dev))) return -EIO; /* * Send signal to firmware during boot time. */ rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); if (rt2x00_is_usb(rt2x00dev) && (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || rt2x00_rt(rt2x00dev, RT3572))) { udelay(200); rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0); udelay(10); } /* * Enable RX. */ rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); udelay(50); rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1); rt2x00_set_field32(®, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2); rt2x00_set_field32(®, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 1); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); /* * Initialize LED control */ rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word); rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word); rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff, word & 0xff, (word >> 8) & 0xff); rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word); rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff, word & 0xff, (word >> 8) & 0xff); return 0; } EXPORT_SYMBOL_GPL(rt2800_enable_radio); void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0); rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); /* Wait for DMA, ignore error */ rt2800_wait_wpdma_ready(rt2x00dev); rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_TX, 0); rt2x00_set_field32(®, MAC_SYS_CTRL_ENABLE_RX, 0); rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } EXPORT_SYMBOL_GPL(rt2800_disable_radio); int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev) { u32 reg; rt2800_register_read(rt2x00dev, EFUSE_CTRL, ®); return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT); } EXPORT_SYMBOL_GPL(rt2800_efuse_detect); static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) { u32 reg; mutex_lock(&rt2x00dev->csr_mutex); rt2800_register_read_lock(rt2x00dev, EFUSE_CTRL, ®); rt2x00_set_field32(®, EFUSE_CTRL_ADDRESS_IN, i); rt2x00_set_field32(®, EFUSE_CTRL_MODE, 0); rt2x00_set_field32(®, EFUSE_CTRL_KICK, 1); rt2800_register_write_lock(rt2x00dev, EFUSE_CTRL, reg); /* Wait until the EEPROM has been loaded */ rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, ®); /* The returned value is in CPU order, but eeprom is le */ *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg); rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, ®); *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg); rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, ®); *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg); rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, ®); *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg); mutex_unlock(&rt2x00dev->csr_mutex); } void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { unsigned int i; for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) rt2800_efuse_read(rt2x00dev, i); } EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse); int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) { u16 word; u8 *mac; u8 default_lna_gain; /* * Start validation of the data that has been read. */ mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); if (!is_valid_ether_addr(mac)) { random_ether_addr(mac); EEPROM(rt2x00dev, "MAC: %pM\n", mac); } rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1); rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820); rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); } else if (rt2x00_rt(rt2x00dev, RT2860) || rt2x00_rt(rt2x00dev, RT2872)) { /* * There is a max of 2 RX streams for RT28x0 series */ if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2) rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2); rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word); if (word == 0xffff) { rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0); rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word); EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); } rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); if ((word & 0x00ff) == 0x00ff) { rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); } if ((word & 0xff00) == 0xff00) { rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE, LED_MODE_TXRX_ACTIVITY); rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221); rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8); EEPROM(rt2x00dev, "Led Mode: 0x%04x\n", word); } /* * During the LNA validation we are going to use * lna0 as correct value. Note that EEPROM_LNA * is never validated. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word); default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0); if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1, default_lna_gain); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word); rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word); if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10) rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0); if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 || rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff) rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2, default_lna_gain); rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word); return 0; } EXPORT_SYMBOL_GPL(rt2800_validate_eeprom); int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) { u32 reg; u16 value; u16 eeprom; /* * Read EEPROM word for configuration. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); /* * Identify RF chipset by EEPROM value * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field * RT53xx: defined in "EEPROM_CHIP_ID" field */ rt2800_register_read(rt2x00dev, MAC_CSR0, ®); if (rt2x00_get_field32(reg, MAC_CSR0_CHIPSET) == RT5390) rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &value); else value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE); rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET), value, rt2x00_get_field32(reg, MAC_CSR0_REVISION)); switch (rt2x00dev->chip.rt) { case RT2860: case RT2872: case RT2883: case RT3070: case RT3071: case RT3090: case RT3390: case RT3572: case RT5390: break; default: ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); return -ENODEV; } switch (rt2x00dev->chip.rf) { case RF2820: case RF2850: case RF2720: case RF2750: case RF3020: case RF2020: case RF3021: case RF3022: case RF3052: case RF3320: case RF5370: case RF5390: break; default: ERROR(rt2x00dev, "Invalid RF chipset 0x%x detected.\n", rt2x00dev->chip.rf); return -ENODEV; } /* * Identify default antenna configuration. */ rt2x00dev->default_ant.tx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH); rt2x00dev->default_ant.rx_chain_num = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH); rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3090) || rt2x00_rt(rt2x00dev, RT3390)) { value = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); switch (value) { case 0: case 1: case 2: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; break; case 3: rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_B; break; } } else { rt2x00dev->default_ant.tx = ANTENNA_A; rt2x00dev->default_ant.rx = ANTENNA_A; } /* * Determine external LNA informations. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G)) __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags); if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G)) __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags); /* * Detect if this device has an hardware controlled radio. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO)) __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags); /* * Detect if this device has Bluetooth co-existence. */ if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST)) __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags); /* * Read frequency offset and RF programming sequence. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); /* * Store led settings, for correct led behaviour. */ #ifdef CONFIG_RT2X00_LIB_LEDS rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY); rt2x00dev->led_mcu_reg = eeprom; #endif /* CONFIG_RT2X00_LIB_LEDS */ /* * Check if support EIRP tx power limit feature. */ rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom); if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) < EIRP_MAX_TX_POWER_LIMIT) __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags); return 0; } EXPORT_SYMBOL_GPL(rt2800_init_eeprom); /* * RF value list for rt28xx * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750) */ static const struct rf_channel rf_vals[] = { { 1, 0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b }, { 2, 0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f }, { 3, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b }, { 4, 0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f }, { 5, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b }, { 6, 0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f }, { 7, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b }, { 8, 0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f }, { 9, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b }, { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f }, { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b }, { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f }, { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b }, { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 }, /* 802.11 UNI / HyperLan 2 */ { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 }, { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 }, { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 }, { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 }, { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b }, { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b }, { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 }, { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 }, { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b }, { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 }, { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 }, { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 }, /* 802.11 HyperLan 2 */ { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 }, { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 }, { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 }, { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 }, { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 }, { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b }, { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 }, { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 }, { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 }, { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 }, { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b }, { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 }, { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b }, { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 }, { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b }, { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 }, /* 802.11 UNII */ { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 }, { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 }, { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f }, { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f }, { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 }, { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 }, { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 }, { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f }, { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 }, { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 }, { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f }, /* 802.11 Japan */ { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b }, { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 }, { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b }, { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 }, { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 }, { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b }, { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 }, }; /* * RF value list for rt3xxx * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052) */ static const struct rf_channel rf_vals_3x[] = { {1, 241, 2, 2 }, {2, 241, 2, 7 }, {3, 242, 2, 2 }, {4, 242, 2, 7 }, {5, 243, 2, 2 }, {6, 243, 2, 7 }, {7, 244, 2, 2 }, {8, 244, 2, 7 }, {9, 245, 2, 2 }, {10, 245, 2, 7 }, {11, 246, 2, 2 }, {12, 246, 2, 7 }, {13, 247, 2, 2 }, {14, 248, 2, 4 }, /* 802.11 UNI / HyperLan 2 */ {36, 0x56, 0, 4}, {38, 0x56, 0, 6}, {40, 0x56, 0, 8}, {44, 0x57, 0, 0}, {46, 0x57, 0, 2}, {48, 0x57, 0, 4}, {52, 0x57, 0, 8}, {54, 0x57, 0, 10}, {56, 0x58, 0, 0}, {60, 0x58, 0, 4}, {62, 0x58, 0, 6}, {64, 0x58, 0, 8}, /* 802.11 HyperLan 2 */ {100, 0x5b, 0, 8}, {102, 0x5b, 0, 10}, {104, 0x5c, 0, 0}, {108, 0x5c, 0, 4}, {110, 0x5c, 0, 6}, {112, 0x5c, 0, 8}, {116, 0x5d, 0, 0}, {118, 0x5d, 0, 2}, {120, 0x5d, 0, 4}, {124, 0x5d, 0, 8}, {126, 0x5d, 0, 10}, {128, 0x5e, 0, 0}, {132, 0x5e, 0, 4}, {134, 0x5e, 0, 6}, {136, 0x5e, 0, 8}, {140, 0x5f, 0, 0}, /* 802.11 UNII */ {149, 0x5f, 0, 9}, {151, 0x5f, 0, 11}, {153, 0x60, 0, 1}, {157, 0x60, 0, 5}, {159, 0x60, 0, 7}, {161, 0x60, 0, 9}, {165, 0x61, 0, 1}, {167, 0x61, 0, 3}, {169, 0x61, 0, 5}, {171, 0x61, 0, 7}, {173, 0x61, 0, 9}, }; int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) { struct hw_mode_spec *spec = &rt2x00dev->spec; struct channel_info *info; char *default_power1; char *default_power2; unsigned int i; u16 eeprom; /* * Disable powersaving as default on PCI devices. */ if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Initialize all hw fields. */ rt2x00dev->hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_AMPDU_AGGREGATION; /* * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices * unless we are capable of sending the buffered frames out after the * DTIM transmission using rt2x00lib_beacondone. This will send out * multicast and broadcast traffic immediately instead of buffering it * infinitly and thus dropping it after some time. */ if (!rt2x00_is_usb(rt2x00dev)) rt2x00dev->hw->flags |= IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); /* * As rt2800 has a global fallback table we cannot specify * more then one tx rate per frame but since the hw will * try several rates (based on the fallback table) we should * initialize max_report_rates to the maximum number of rates * we are going to try. Otherwise mac80211 will truncate our * reported tx rates and the rc algortihm will end up with * incorrect data. */ rt2x00dev->hw->max_rates = 1; rt2x00dev->hw->max_report_rates = 7; rt2x00dev->hw->max_rate_tries = 1; rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom); /* * Initialize hw_mode information. */ spec->supported_bands = SUPPORT_BAND_2GHZ; spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; if (rt2x00_rf(rt2x00dev, RF2820) || rt2x00_rf(rt2x00dev, RF2720)) { spec->num_channels = 14; spec->channels = rf_vals; } else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals); spec->channels = rf_vals; } else if (rt2x00_rf(rt2x00dev, RF3020) || rt2x00_rf(rt2x00dev, RF2020) || rt2x00_rf(rt2x00dev, RF3021) || rt2x00_rf(rt2x00dev, RF3022) || rt2x00_rf(rt2x00dev, RF3320) || rt2x00_rf(rt2x00dev, RF5370) || rt2x00_rf(rt2x00dev, RF5390)) { spec->num_channels = 14; spec->channels = rf_vals_3x; } else if (rt2x00_rf(rt2x00dev, RF3052)) { spec->supported_bands |= SUPPORT_BAND_5GHZ; spec->num_channels = ARRAY_SIZE(rf_vals_3x); spec->channels = rf_vals_3x; } /* * Initialize HT information. */ if (!rt2x00_rf(rt2x00dev, RF2020)) spec->ht.ht_supported = true; else spec->ht.ht_supported = false; spec->ht.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2) spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC; spec->ht.cap |= rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) << IEEE80211_HT_CAP_RX_STBC_SHIFT; spec->ht.ampdu_factor = 3; spec->ht.ampdu_density = 4; spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED | IEEE80211_HT_MCS_TX_RX_DIFF | ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) { case 3: spec->ht.mcs.rx_mask[2] = 0xff; case 2: spec->ht.mcs.rx_mask[1] = 0xff; case 1: spec->ht.mcs.rx_mask[0] = 0xff; spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */ break; } /* * Create channel information array */ info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; spec->channels_info = info; default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1); default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2); for (i = 0; i < 14; i++) { info[i].default_power1 = default_power1[i]; info[i].default_power2 = default_power2[i]; } if (spec->num_channels > 14) { default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1); default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2); for (i = 14; i < spec->num_channels; i++) { info[i].default_power1 = default_power1[i]; info[i].default_power2 = default_power2[i]; } } return 0; } EXPORT_SYMBOL_GPL(rt2800_probe_hw_mode); /* * IEEE80211 stack callback functions. */ void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32, u16 *iv16) { struct rt2x00_dev *rt2x00dev = hw->priv; struct mac_iveiv_entry iveiv_entry; u32 offset; offset = MAC_IVEIV_ENTRY(hw_key_idx); rt2800_register_multiread(rt2x00dev, offset, &iveiv_entry, sizeof(iveiv_entry)); memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16)); memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32)); } EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq); int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct rt2x00_dev *rt2x00dev = hw->priv; u32 reg; bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD); rt2800_register_read(rt2x00dev, TX_RTS_CFG, ®); rt2x00_set_field32(®, TX_RTS_CFG_RTS_THRES, value); rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg); rt2800_register_read(rt2x00dev, CCK_PROT_CFG, ®); rt2x00_set_field32(®, CCK_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg); rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, ®); rt2x00_set_field32(®, OFDM_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg); rt2800_register_read(rt2x00dev, MM20_PROT_CFG, ®); rt2x00_set_field32(®, MM20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, MM40_PROT_CFG, ®); rt2x00_set_field32(®, MM40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF20_PROT_CFG, ®); rt2x00_set_field32(®, GF20_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg); rt2800_register_read(rt2x00dev, GF40_PROT_CFG, ®); rt2x00_set_field32(®, GF40_PROT_CFG_RTS_TH_EN, enabled); rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold); int rt2800_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue_idx, const struct ieee80211_tx_queue_params *params) { struct rt2x00_dev *rt2x00dev = hw->priv; struct data_queue *queue; struct rt2x00_field32 field; int retval; u32 reg; u32 offset; /* * First pass the configuration through rt2x00lib, that will * update the queue settings and validate the input. After that * we are free to update the registers based on the value * in the queue parameter. */ retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params); if (retval) return retval; /* * We only need to perform additional register initialization * for WMM queues/ */ if (queue_idx >= 4) return 0; queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); /* Update WMM TXOP register */ offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2))); field.bit_offset = (queue_idx & 1) * 16; field.bit_mask = 0xffff << field.bit_offset; rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, field, queue->txop); rt2800_register_write(rt2x00dev, offset, reg); /* Update WMM registers */ field.bit_offset = queue_idx * 4; field.bit_mask = 0xf << field.bit_offset; rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, ®); rt2x00_set_field32(®, field, queue->aifs); rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg); rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, ®); rt2x00_set_field32(®, field, queue->cw_min); rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg); rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, ®); rt2x00_set_field32(®, field, queue->cw_max); rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg); /* Update EDCA registers */ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx); rt2800_register_read(rt2x00dev, offset, ®); rt2x00_set_field32(®, EDCA_AC0_CFG_TX_OP, queue->txop); rt2x00_set_field32(®, EDCA_AC0_CFG_AIFSN, queue->aifs); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMIN, queue->cw_min); rt2x00_set_field32(®, EDCA_AC0_CFG_CWMAX, queue->cw_max); rt2800_register_write(rt2x00dev, offset, reg); return 0; } EXPORT_SYMBOL_GPL(rt2800_conf_tx); u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct rt2x00_dev *rt2x00dev = hw->priv; u64 tsf; u32 reg; rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, ®); tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32; rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, ®); tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD); return tsf; } EXPORT_SYMBOL_GPL(rt2800_get_tsf); int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size) { struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv; int ret = 0; /* * Don't allow aggregation for stations the hardware isn't aware * of because tx status reports for frames to an unknown station * always contain wcid=255 and thus we can't distinguish between * multiple stations which leads to unwanted situations when the * hw reorders frames due to aggregation. */ if (sta_priv->wcid < 0) return 1; switch (action) { case IEEE80211_AMPDU_RX_START: case IEEE80211_AMPDU_RX_STOP: /* * The hw itself takes care of setting up BlockAck mechanisms. * So, we only have to allow mac80211 to nagotiate a BlockAck * agreement. Once that is done, the hw will BlockAck incoming * AMPDUs without further setup. */ break; case IEEE80211_AMPDU_TX_START: ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; case IEEE80211_AMPDU_TX_STOP: ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; case IEEE80211_AMPDU_TX_OPERATIONAL: break; default: WARNING((struct rt2x00_dev *)hw->priv, "Unknown AMPDU action\n"); } return ret; } EXPORT_SYMBOL_GPL(rt2800_ampdu_action); int rt2800_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey) { struct rt2x00_dev *rt2x00dev = hw->priv; struct ieee80211_conf *conf = &hw->conf; u32 idle, busy, busy_ext; if (idx != 0) return -ENOENT; survey->channel = conf->channel; rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle); rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy); rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext); if (idle || busy) { survey->filled = SURVEY_INFO_CHANNEL_TIME | SURVEY_INFO_CHANNEL_TIME_BUSY | SURVEY_INFO_CHANNEL_TIME_EXT_BUSY; survey->channel_time = (idle + busy) / 1000; survey->channel_time_busy = busy / 1000; survey->channel_time_ext_busy = busy_ext / 1000; } if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) survey->filled |= SURVEY_INFO_IN_USE; return 0; } EXPORT_SYMBOL_GPL(rt2800_get_survey); MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz"); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 library"); MODULE_LICENSE("GPL");