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| author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
| commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
| tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
| download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip | |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c | 4875 |
1 files changed, 0 insertions, 4875 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c b/ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c deleted file mode 100644 index 6c0a12ea..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/rt2x00/rt2800lib.c +++ /dev/null @@ -1,4875 +0,0 @@ -/* - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) -{ - s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0); - s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1); - s8 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 (int)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); - rfcsr = 0x4c; - rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, - drv_data->txmixer_gain_24g); - rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); - 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_read(rt2x00dev, 7, &rfcsr); - rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1); - rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0); - rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1); - rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0); - rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); - rt2800_rfcsr_write(rt2x00dev, 9, 0xc0); - rt2800_rfcsr_write(rt2x00dev, 10, 0xf1); - rt2800_rfcsr_write(rt2x00dev, 11, 0x00); - rt2800_rfcsr_write(rt2x00dev, 15, 0x43); - rfcsr = 0x7a; - rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN, - drv_data->txmixer_gain_5g); - rt2800_rfcsr_write(rt2x00dev, 16, rfcsr); - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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 RF5372: - 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) && - !rt2x00_rt(rt2x00dev, RT5392)) { - 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); - -void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) -{ - u32 tx_pin; - u8 rfcsr; - - /* - * A voltage-controlled oscillator(VCO) is an electronic oscillator - * designed to be controlled in oscillation frequency by a voltage - * input. Maybe the temperature will affect the frequency of - * oscillation to be shifted. The VCO calibration will be called - * periodically to adjust the frequency to be precision. - */ - - rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin); - tx_pin &= TX_PIN_CFG_PA_PE_DISABLE; - rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); - - switch (rt2x00dev->chip.rf) { - case RF2020: - case RF3020: - case RF3021: - case RF3022: - case RF3320: - case RF3052: - rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr); - rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1); - rt2800_rfcsr_write(rt2x00dev, 7, rfcsr); - break; - case RF5370: - case RF5372: - case RF5390: - rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); - rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); - rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); - break; - default: - return; - } - - mdelay(1); - - rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin); - if (rt2x00dev->rf_channel <= 14) { - switch (rt2x00dev->default_ant.tx_chain_num) { - case 3: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1); - /* fall through */ - case 2: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1); - /* fall through */ - case 1: - default: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1); - break; - } - } else { - switch (rt2x00dev->default_ant.tx_chain_num) { - case 3: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1); - /* fall through */ - case 2: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1); - /* fall through */ - case 1: - default: - rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1); - break; - } - } - rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin); - -} -EXPORT_SYMBOL_GPL(rt2800_vco_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) || - rt2x00_rt(rt2x00dev, RT5392)) - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 31, 0x08); - - rt2800_bbp_write(rt2x00dev, 65, 0x2c); - rt2800_bbp_write(rt2x00dev, 66, 0x38); - - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) || - rt2x00_rt(rt2x00dev, RT5392)) - 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) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 84, 0x9a); - else - rt2800_bbp_write(rt2x00dev, 84, 0x99); - - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 86, 0x38); - else - rt2800_bbp_write(rt2x00dev, 86, 0x00); - - if (rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 88, 0x90); - - rt2800_bbp_write(rt2x00dev, 91, 0x04); - - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 92, 0x02); - else - rt2800_bbp_write(rt2x00dev, 92, 0x00); - - if (rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_write(rt2x00dev, 95, 0x9a); - rt2800_bbp_write(rt2x00dev, 98, 0x12); - } - - 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) || - rt2x00_rt(rt2x00dev, RT5392) || - rt2800_is_305x_soc(rt2x00dev)) - rt2800_bbp_write(rt2x00dev, 103, 0xc0); - else - rt2800_bbp_write(rt2x00dev, 103, 0x00); - - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 104, 0x92); - - if (rt2800_is_305x_soc(rt2x00dev)) - rt2800_bbp_write(rt2x00dev, 105, 0x01); - else if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - 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 if (rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 106, 0x12); - else - rt2800_bbp_write(rt2x00dev, 106, 0x35); - - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) - rt2800_bbp_write(rt2x00dev, 128, 0x12); - - if (rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_write(rt2x00dev, 134, 0xd0); - rt2800_bbp_write(rt2x00dev, 135, 0xf6); - } - - if (rt2x00_rt(rt2x00dev, RT3071) || - rt2x00_rt(rt2x00dev, RT3090) || - rt2x00_rt(rt2x00dev, RT3390) || - rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) && - !rt2x00_rt(rt2x00dev, RT5392) && - !rt2800_is_305x_soc(rt2x00dev)) - return 0; - - /* - * Init RF calibration. - */ - if (rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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); - } else if (rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_rfcsr_write(rt2x00dev, 1, 0x17); - rt2800_rfcsr_write(rt2x00dev, 2, 0x80); - rt2800_rfcsr_write(rt2x00dev, 3, 0x88); - rt2800_rfcsr_write(rt2x00dev, 5, 0x10); - rt2800_rfcsr_write(rt2x00dev, 6, 0xe0); - rt2800_rfcsr_write(rt2x00dev, 7, 0x00); - rt2800_rfcsr_write(rt2x00dev, 10, 0x53); - rt2800_rfcsr_write(rt2x00dev, 11, 0x4a); - rt2800_rfcsr_write(rt2x00dev, 12, 0x46); - 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, 0x4d); - rt2800_rfcsr_write(rt2x00dev, 20, 0x00); - rt2800_rfcsr_write(rt2x00dev, 21, 0x8d); - rt2800_rfcsr_write(rt2x00dev, 22, 0x20); - rt2800_rfcsr_write(rt2x00dev, 23, 0x0b); - rt2800_rfcsr_write(rt2x00dev, 24, 0x44); - rt2800_rfcsr_write(rt2x00dev, 25, 0x80); - rt2800_rfcsr_write(rt2x00dev, 26, 0x82); - rt2800_rfcsr_write(rt2x00dev, 27, 0x09); - rt2800_rfcsr_write(rt2x00dev, 28, 0x00); - rt2800_rfcsr_write(rt2x00dev, 29, 0x10); - rt2800_rfcsr_write(rt2x00dev, 30, 0x10); - rt2800_rfcsr_write(rt2x00dev, 31, 0x80); - rt2800_rfcsr_write(rt2x00dev, 32, 0x20); - rt2800_rfcsr_write(rt2x00dev, 33, 0xC0); - 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, 0x89); - rt2800_rfcsr_write(rt2x00dev, 39, 0x1b); - rt2800_rfcsr_write(rt2x00dev, 40, 0x0f); - rt2800_rfcsr_write(rt2x00dev, 41, 0xbb); - rt2800_rfcsr_write(rt2x00dev, 42, 0xd5); - rt2800_rfcsr_write(rt2x00dev, 43, 0x9b); - rt2800_rfcsr_write(rt2x00dev, 44, 0x0e); - rt2800_rfcsr_write(rt2x00dev, 45, 0xa2); - rt2800_rfcsr_write(rt2x00dev, 46, 0x73); - rt2800_rfcsr_write(rt2x00dev, 47, 0x0c); - rt2800_rfcsr_write(rt2x00dev, 48, 0x10); - rt2800_rfcsr_write(rt2x00dev, 49, 0x94); - rt2800_rfcsr_write(rt2x00dev, 50, 0x94); - rt2800_rfcsr_write(rt2x00dev, 51, 0x3a); - rt2800_rfcsr_write(rt2x00dev, 52, 0x48); - rt2800_rfcsr_write(rt2x00dev, 53, 0x44); - rt2800_rfcsr_write(rt2x00dev, 54, 0x38); - rt2800_rfcsr_write(rt2x00dev, 55, 0x43); - rt2800_rfcsr_write(rt2x00dev, 56, 0xa1); - rt2800_rfcsr_write(rt2x00dev, 57, 0x00); - rt2800_rfcsr_write(rt2x00dev, 58, 0x39); - rt2800_rfcsr_write(rt2x00dev, 59, 0x07); - rt2800_rfcsr_write(rt2x00dev, 60, 0x45); - rt2800_rfcsr_write(rt2x00dev, 61, 0x91); - rt2800_rfcsr_write(rt2x00dev, 62, 0x39); - rt2800_rfcsr_write(rt2x00dev, 63, 0x07); - } - - 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) && - !rt2x00_rt(rt2x00dev, RT5392)) { - /* - * 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) && - !rt2x00_rt(rt2x00dev, RT5392)) { - 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_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN, - drv_data->txmixer_gain_24g); - 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) || - rt2x00_rt(rt2x00dev, RT5392)) { - 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) -{ - struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; - 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_TXMIXER_GAIN_BG, &word); - if ((word & 0x00ff) != 0x00ff) { - drv_data->txmixer_gain_24g = - rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL); - } else { - drv_data->txmixer_gain_24g = 0; - } - - 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_TXMIXER_GAIN_A, &word); - if ((word & 0x00ff) != 0x00ff) { - drv_data->txmixer_gain_5g = - rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL); - } else { - drv_data->txmixer_gain_5g = 0; - } - - 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_get_field32(reg, MAC_CSR0_CHIPSET) == RT5392) - 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: - case RT5392: - break; - default: - ERROR(rt2x00dev, "Invalid RT chipset 0x%04x detected.\n", rt2x00dev->chip.rt); - 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 RF5372: - case RF5390: - break; - default: - ERROR(rt2x00dev, "Invalid RF chipset 0x%04x 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 | - IEEE80211_HW_REPORTS_TX_ACK_STATUS; - - /* - * 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, RF5372) || - 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]; - } - } - - switch (rt2x00dev->chip.rf) { - case RF2020: - case RF3020: - case RF3021: - case RF3022: - case RF3320: - case RF3052: - case RF5370: - case RF5372: - case RF5390: - __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags); - break; - } - - 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"); |