diff options
Diffstat (limited to 'package/rt2x00/src/rt61pci.c')
| -rw-r--r-- | package/rt2x00/src/rt61pci.c | 2569 |
1 files changed, 0 insertions, 2569 deletions
diff --git a/package/rt2x00/src/rt61pci.c b/package/rt2x00/src/rt61pci.c deleted file mode 100644 index ecae968ce..000000000 --- a/package/rt2x00/src/rt61pci.c +++ /dev/null @@ -1,2569 +0,0 @@ -/* - Copyright (C) 2004 - 2007 rt2x00 SourceForge Project - <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: rt61pci - Abstract: rt61pci device specific routines. - Supported chipsets: RT2561, RT2561s, RT2661. - */ - -/* - * Set enviroment defines for rt2x00.h - */ -#define DRV_NAME "rt61pci" - -#include <linux/delay.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/eeprom_93cx6.h> - -#include "rt2x00.h" -#include "rt2x00pci.h" -#include "rt61pci.h" - -/* - * Register access. - * BBP and RF register require indirect register access, - * and use the CSR registers PHY_CSR3 and PHY_CSR4 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. - */ -static u32 rt61pci_bbp_check(const struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - unsigned int i; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00pci_register_read(rt2x00dev, PHY_CSR3, ®); - if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY)) - break; - udelay(REGISTER_BUSY_DELAY); - } - - return reg; -} - -static void rt61pci_bbp_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u8 value) -{ - u32 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt61pci_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); - return; - } - - /* - * Write the data into the BBP. - */ - reg = 0; - rt2x00_set_field32(®, PHY_CSR3_VALUE, value); - rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); - rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); - rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0); - - rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); -} - -static void rt61pci_bbp_read(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u8 *value) -{ - u32 reg; - - /* - * Wait until the BBP becomes ready. - */ - reg = rt61pci_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - return; - } - - /* - * Write the request into the BBP. - */ - reg = 0; - rt2x00_set_field32(®, PHY_CSR3_REGNUM, word); - rt2x00_set_field32(®, PHY_CSR3_BUSY, 1); - rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1); - - rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg); - - /* - * Wait until the BBP becomes ready. - */ - reg = rt61pci_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - *value = 0xff; - return; - } - - *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); -} - -static void rt61pci_rf_write(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, const u32 value) -{ - u32 reg; - unsigned int i; - - if (!word) - return; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00pci_register_read(rt2x00dev, PHY_CSR4, ®); - if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY)) - goto rf_write; - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n"); - return; - -rf_write: - reg = 0; - rt2x00_set_field32(®, PHY_CSR4_VALUE, value); - rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21); - rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); - rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); - - rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg); - rt2x00_rf_write(rt2x00dev, word, value); -} - -static void rt61pci_mcu_request(const struct rt2x00_dev *rt2x00dev, - const u8 command, const u8 token, - const u8 arg0, const u8 arg1) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, ®); - - if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER)) { - ERROR(rt2x00dev, "mcu request error. " - "Request 0x%02x failed for token 0x%02x.\n", - command, token); - return; - } - - 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); - rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, ®); - rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command); - rt2x00_set_field32(®, HOST_CMD_CSR_INTERRUPT_MCU, 1); - rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg); -} - -static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom) -{ - struct rt2x00_dev *rt2x00dev = eeprom->data; - u32 reg; - - rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); - - eeprom->reg_data_in = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_IN); - eeprom->reg_data_out = !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_OUT); - eeprom->reg_data_clock = - !!rt2x00_get_field32(reg, E2PROM_CSR_DATA_CLOCK); - eeprom->reg_chip_select = - !!rt2x00_get_field32(reg, E2PROM_CSR_CHIP_SELECT); -} - -static void rt61pci_eepromregister_write(struct eeprom_93cx6 *eeprom) -{ - struct rt2x00_dev *rt2x00dev = eeprom->data; - u32 reg = 0; - - rt2x00_set_field32(®, E2PROM_CSR_DATA_IN, !!eeprom->reg_data_in); - rt2x00_set_field32(®, E2PROM_CSR_DATA_OUT, !!eeprom->reg_data_out); - rt2x00_set_field32(®, E2PROM_CSR_DATA_CLOCK, - !!eeprom->reg_data_clock); - rt2x00_set_field32(®, E2PROM_CSR_CHIP_SELECT, - !!eeprom->reg_chip_select); - - rt2x00pci_register_write(rt2x00dev, E2PROM_CSR, reg); -} - -#ifdef CONFIG_RT2X00_LIB_DEBUGFS -#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) ) - -static void rt61pci_read_csr(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u32 *data) -{ - rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data); -} - -static void rt61pci_write_csr(const struct rt2x00_dev *rt2x00dev, - const unsigned int word, u32 data) -{ - rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data); -} - -static const struct rt2x00debug rt61pci_rt2x00debug = { - .owner = THIS_MODULE, - .csr = { - .read = rt61pci_read_csr, - .write = rt61pci_write_csr, - .word_size = sizeof(u32), - .word_count = CSR_REG_SIZE / sizeof(u32), - }, - .eeprom = { - .read = rt2x00_eeprom_read, - .write = rt2x00_eeprom_write, - .word_size = sizeof(u16), - .word_count = EEPROM_SIZE / sizeof(u16), - }, - .bbp = { - .read = rt61pci_bbp_read, - .write = rt61pci_bbp_write, - .word_size = sizeof(u8), - .word_count = BBP_SIZE / sizeof(u8), - }, - .rf = { - .read = rt2x00_rf_read, - .write = rt61pci_rf_write, - .word_size = sizeof(u32), - .word_count = RF_SIZE / sizeof(u32), - }, -}; -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ - -#ifdef CONFIG_RT61PCI_RFKILL -static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); - return rt2x00_get_field32(reg, MAC_CSR13_BIT5);; -} -#else -#define rt61pci_rfkill_poll NULL -#endif /* CONFIG_RT61PCI_RFKILL */ - -/* - * Configuration handlers. - */ -static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac) -{ - u32 tmp; - - tmp = le32_to_cpu(mac[1]); - rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff); - mac[1] = cpu_to_le32(tmp); - - rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, mac, - (2 * sizeof(__le32))); -} - -static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid) -{ - u32 tmp; - - tmp = le32_to_cpu(bssid[1]); - rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3); - bssid[1] = cpu_to_le32(tmp); - - rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, bssid, - (2 * sizeof(__le32))); -} - -static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type, - const int tsf_sync) -{ - u32 reg; - - /* - * Clear current synchronisation setup. - * For the Beacon base registers we only need to clear - * the first byte since that byte contains the VALID and OWNER - * bits which (when set to 0) will invalidate the entire beacon. - */ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0); - rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0); - rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0); - rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0); - rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0); - - /* - * Enable synchronisation. - */ - rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, tsf_sync); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); -} - -static void rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev, - const int short_preamble, - const int ack_timeout, - const int ack_consume_time) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, - !!short_preamble); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); -} - -static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev, - const int basic_rate_mask) -{ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask); -} - -static void rt61pci_config_channel(struct rt2x00_dev *rt2x00dev, - struct rf_channel *rf, const int txpower) -{ - u8 r3; - u8 r94; - u8 smart; - - rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); - rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset); - - smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) || - rt2x00_rf(&rt2x00dev->chip, RF2527)); - - rt61pci_bbp_read(rt2x00dev, 3, &r3); - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart); - rt61pci_bbp_write(rt2x00dev, 3, r3); - - r94 = 6; - if (txpower > MAX_TXPOWER && txpower <= (MAX_TXPOWER + r94)) - r94 += txpower - MAX_TXPOWER; - else if (txpower < MIN_TXPOWER && txpower >= (MIN_TXPOWER - r94)) - r94 += txpower; - rt61pci_bbp_write(rt2x00dev, 94, r94); - - rt61pci_rf_write(rt2x00dev, 1, rf->rf1); - rt61pci_rf_write(rt2x00dev, 2, rf->rf2); - rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); - rt61pci_rf_write(rt2x00dev, 4, rf->rf4); - - udelay(200); - - rt61pci_rf_write(rt2x00dev, 1, rf->rf1); - rt61pci_rf_write(rt2x00dev, 2, rf->rf2); - rt61pci_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004); - rt61pci_rf_write(rt2x00dev, 4, rf->rf4); - - udelay(200); - - rt61pci_rf_write(rt2x00dev, 1, rf->rf1); - rt61pci_rf_write(rt2x00dev, 2, rf->rf2); - rt61pci_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004); - rt61pci_rf_write(rt2x00dev, 4, rf->rf4); - - msleep(1); -} - -static void rt61pci_config_txpower(struct rt2x00_dev *rt2x00dev, - const int txpower) -{ - struct rf_channel rf; - - rt2x00_rf_read(rt2x00dev, 1, &rf.rf1); - rt2x00_rf_read(rt2x00dev, 2, &rf.rf2); - rt2x00_rf_read(rt2x00dev, 3, &rf.rf3); - rt2x00_rf_read(rt2x00dev, 4, &rf.rf4); - - rt61pci_config_channel(rt2x00dev, &rf, txpower); -} - -static void rt61pci_config_antenna_5x(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, - const int antenna_rx) -{ - u8 r3; - u8 r4; - u8 r77; - - rt61pci_bbp_read(rt2x00dev, 3, &r3); - rt61pci_bbp_read(rt2x00dev, 4, &r4); - rt61pci_bbp_read(rt2x00dev, 77, &r77); - - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, - !rt2x00_rf(&rt2x00dev->chip, RF5225)); - - switch (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, - !!(rt2x00dev->curr_hwmode != HWMODE_A)); - break; - case ANTENNA_A: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - if (rt2x00dev->curr_hwmode == HWMODE_A) - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - else - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - break; - case ANTENNA_B: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - if (rt2x00dev->curr_hwmode == HWMODE_A) - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - else - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - break; - } - - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_bbp_write(rt2x00dev, 3, r3); - rt61pci_bbp_write(rt2x00dev, 4, r4); -} - -static void rt61pci_config_antenna_2x(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, - const int antenna_rx) -{ - u8 r3; - u8 r4; - u8 r77; - - rt61pci_bbp_read(rt2x00dev, 3, &r3); - rt61pci_bbp_read(rt2x00dev, 4, &r4); - rt61pci_bbp_read(rt2x00dev, 77, &r77); - - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, - !rt2x00_rf(&rt2x00dev->chip, RF2527)); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, - !test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags)); - - switch (antenna_rx) { - case ANTENNA_SW_DIVERSITY: - case ANTENNA_HW_DIVERSITY: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - break; - case ANTENNA_A: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - break; - case ANTENNA_B: - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - break; - } - - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_bbp_write(rt2x00dev, 3, r3); - rt61pci_bbp_write(rt2x00dev, 4, r4); -} - -static void rt61pci_config_antenna_2529_rx(struct rt2x00_dev *rt2x00dev, - const int p1, const int p2) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); - - if (p1 != 0xff) { - rt2x00_set_field32(®, MAC_CSR13_BIT4, !!p1); - rt2x00_set_field32(®, MAC_CSR13_BIT12, 0); - rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg); - } - if (p2 != 0xff) { - rt2x00_set_field32(®, MAC_CSR13_BIT3, !p2); - rt2x00_set_field32(®, MAC_CSR13_BIT11, 0); - rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg); - } -} - -static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, - const int antenna_rx) -{ - u16 eeprom; - u8 r3; - u8 r4; - u8 r77; - - rt61pci_bbp_read(rt2x00dev, 3, &r3); - rt61pci_bbp_read(rt2x00dev, 4, &r4); - rt61pci_bbp_read(rt2x00dev, 77, &r77); - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); - - rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0); - - if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) && - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) { - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 1); - rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1); - } else if (rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY)) { - if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED) >= 2) { - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - rt61pci_bbp_write(rt2x00dev, 77, r77); - } - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1); - } else if (!rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) && - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) { - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) { - case 0: - rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1); - break; - case 1: - rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 0); - break; - case 2: - rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0); - break; - case 3: - rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1); - break; - } - } else if (!rt2x00_get_field16(eeprom, EEPROM_NIC_ENABLE_DIVERSITY) && - !rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY)) { - rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1); - rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0); - - switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) { - case 0: - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 1); - break; - case 1: - rt2x00_set_field8(&r77, BBP_R77_PAIR, 0); - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 0); - break; - case 2: - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_config_antenna_2529_rx(rt2x00dev, 0, 0); - break; - case 3: - rt2x00_set_field8(&r77, BBP_R77_PAIR, 3); - rt61pci_bbp_write(rt2x00dev, 77, r77); - rt61pci_config_antenna_2529_rx(rt2x00dev, 1, 1); - break; - } - } - - rt61pci_bbp_write(rt2x00dev, 3, r3); - rt61pci_bbp_write(rt2x00dev, 4, r4); -} - -struct antenna_sel { - u8 word; - /* - * value[0] -> non-LNA - * value[1] -> LNA - */ - u8 value[2]; -}; - -static const struct antenna_sel antenna_sel_a[] = { - { 96, { 0x58, 0x78 } }, - { 104, { 0x38, 0x48 } }, - { 75, { 0xfe, 0x80 } }, - { 86, { 0xfe, 0x80 } }, - { 88, { 0xfe, 0x80 } }, - { 35, { 0x60, 0x60 } }, - { 97, { 0x58, 0x58 } }, - { 98, { 0x58, 0x58 } }, -}; - -static const struct antenna_sel antenna_sel_bg[] = { - { 96, { 0x48, 0x68 } }, - { 104, { 0x2c, 0x3c } }, - { 75, { 0xfe, 0x80 } }, - { 86, { 0xfe, 0x80 } }, - { 88, { 0xfe, 0x80 } }, - { 35, { 0x50, 0x50 } }, - { 97, { 0x48, 0x48 } }, - { 98, { 0x48, 0x48 } }, -}; - -static void rt61pci_config_antenna(struct rt2x00_dev *rt2x00dev, - const int antenna_tx, const int antenna_rx) -{ - const struct antenna_sel *sel; - unsigned int lna; - unsigned int i; - u32 reg; - - rt2x00pci_register_read(rt2x00dev, PHY_CSR0, ®); - - if (rt2x00dev->curr_hwmode == HWMODE_A) { - sel = antenna_sel_a; - lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); - - rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, 0); - rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, 1); - } else { - sel = antenna_sel_bg; - lna = test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); - - rt2x00_set_field32(®, PHY_CSR0_PA_PE_BG, 1); - rt2x00_set_field32(®, PHY_CSR0_PA_PE_A, 0); - } - - for (i = 0; i < ARRAY_SIZE(antenna_sel_a); i++) - rt61pci_bbp_write(rt2x00dev, sel[i].word, sel[i].value[lna]); - - rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg); - - if (rt2x00_rf(&rt2x00dev->chip, RF5225) || - rt2x00_rf(&rt2x00dev->chip, RF5325)) - rt61pci_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx); - else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) - rt61pci_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx); - else if (rt2x00_rf(&rt2x00dev->chip, RF2529)) { - if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) - rt61pci_config_antenna_2x(rt2x00dev, antenna_tx, - antenna_rx); - else - rt61pci_config_antenna_2529(rt2x00dev, antenna_tx, - antenna_rx); - } -} - -static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev, - struct rt2x00lib_conf *libconf) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); - rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, libconf->slot_time); - rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR8, ®); - rt2x00_set_field32(®, MAC_CSR8_SIFS, libconf->sifs); - rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3); - rt2x00_set_field32(®, MAC_CSR8_EIFS, libconf->eifs); - rt2x00pci_register_write(rt2x00dev, MAC_CSR8, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, - libconf->conf->beacon_int * 16); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); -} - -static void rt61pci_config(struct rt2x00_dev *rt2x00dev, - const unsigned int flags, - struct rt2x00lib_conf *libconf) -{ - if (flags & CONFIG_UPDATE_PHYMODE) - rt61pci_config_phymode(rt2x00dev, libconf->basic_rates); - if (flags & CONFIG_UPDATE_CHANNEL) - rt61pci_config_channel(rt2x00dev, &libconf->rf, - libconf->conf->power_level); - if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) - rt61pci_config_txpower(rt2x00dev, libconf->conf->power_level); - if (flags & CONFIG_UPDATE_ANTENNA) - rt61pci_config_antenna(rt2x00dev, libconf->conf->antenna_sel_tx, - libconf->conf->antenna_sel_rx); - if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) - rt61pci_config_duration(rt2x00dev, libconf); -} - -/* - * LED functions. - */ -static void rt61pci_enable_led(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - u16 led_reg; - u8 arg0; - u8 arg1; - - rt2x00pci_register_read(rt2x00dev, MAC_CSR14, ®); - rt2x00_set_field32(®, MAC_CSR14_ON_PERIOD, 70); - rt2x00_set_field32(®, MAC_CSR14_OFF_PERIOD, 30); - rt2x00pci_register_write(rt2x00dev, MAC_CSR14, reg); - - led_reg = rt2x00dev->led_reg; - rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 1); - if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) - rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 1); - else - rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 1); - - arg0 = led_reg & 0xff; - arg1 = (led_reg >> 8) & 0xff; - - rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1); -} - -static void rt61pci_disable_led(struct rt2x00_dev *rt2x00dev) -{ - u16 led_reg; - u8 arg0; - u8 arg1; - - led_reg = rt2x00dev->led_reg; - rt2x00_set_field16(&led_reg, MCU_LEDCS_RADIO_STATUS, 0); - rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_BG_STATUS, 0); - rt2x00_set_field16(&led_reg, MCU_LEDCS_LINK_A_STATUS, 0); - - arg0 = led_reg & 0xff; - arg1 = (led_reg >> 8) & 0xff; - - rt61pci_mcu_request(rt2x00dev, MCU_LED, 0xff, arg0, arg1); -} - -static void rt61pci_activity_led(struct rt2x00_dev *rt2x00dev, int rssi) -{ - u8 led; - - if (rt2x00dev->led_mode != LED_MODE_SIGNAL_STRENGTH) - return; - - /* - * Led handling requires a positive value for the rssi, - * to do that correctly we need to add the correction. - */ - rssi += rt2x00dev->rssi_offset; - - if (rssi <= 30) - led = 0; - else if (rssi <= 39) - led = 1; - else if (rssi <= 49) - led = 2; - else if (rssi <= 53) - led = 3; - else if (rssi <= 63) - led = 4; - else - led = 5; - - rt61pci_mcu_request(rt2x00dev, MCU_LED_STRENGTH, 0xff, led, 0); -} - -/* - * Link tuning - */ -static void rt61pci_link_stats(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Update FCS error count from register. - */ - rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); - rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR); - - /* - * Update False CCA count from register. - */ - rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); - rt2x00dev->link.false_cca = - rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR); -} - -static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev) -{ - rt61pci_bbp_write(rt2x00dev, 17, 0x20); - rt2x00dev->link.vgc_level = 0x20; -} - -static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev) -{ - int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); - u8 r17; - u8 up_bound; - u8 low_bound; - - /* - * Update Led strength - */ - rt61pci_activity_led(rt2x00dev, rssi); - - rt61pci_bbp_read(rt2x00dev, 17, &r17); - - /* - * Determine r17 bounds. - */ - if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) { - low_bound = 0x28; - up_bound = 0x48; - if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) { - low_bound += 0x10; - up_bound += 0x10; - } - } else { - low_bound = 0x20; - up_bound = 0x40; - if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) { - low_bound += 0x10; - up_bound += 0x10; - } - } - - /* - * Special big-R17 for very short distance - */ - if (rssi >= -35) { - if (r17 != 0x60) - rt61pci_bbp_write(rt2x00dev, 17, 0x60); - return; - } - - /* - * Special big-R17 for short distance - */ - if (rssi >= -58) { - if (r17 != up_bound) - rt61pci_bbp_write(rt2x00dev, 17, up_bound); - return; - } - - /* - * Special big-R17 for middle-short distance - */ - if (rssi >= -66) { - low_bound += 0x10; - if (r17 != low_bound) - rt61pci_bbp_write(rt2x00dev, 17, low_bound); - return; - } - - /* - * Special mid-R17 for middle distance - */ - if (rssi >= -74) { - low_bound += 0x08; - if (r17 != low_bound) - rt61pci_bbp_write(rt2x00dev, 17, low_bound); - return; - } - - /* - * Special case: Change up_bound based on the rssi. - * Lower up_bound when rssi is weaker then -74 dBm. - */ - up_bound -= 2 * (-74 - rssi); - if (low_bound > up_bound) - up_bound = low_bound; - - if (r17 > up_bound) { - rt61pci_bbp_write(rt2x00dev, 17, up_bound); - return; - } - - /* - * r17 does not yet exceed upper limit, continue and base - * the r17 tuning on the false CCA count. - */ - if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) { - if (++r17 > up_bound) - r17 = up_bound; - rt61pci_bbp_write(rt2x00dev, 17, r17); - } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) { - if (--r17 < low_bound) - r17 = low_bound; - rt61pci_bbp_write(rt2x00dev, 17, r17); - } -} - -/* - * Firmware name function. - */ -static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) -{ - char *fw_name; - - switch (rt2x00dev->chip.rt) { - case RT2561: - fw_name = FIRMWARE_RT2561; - break; - case RT2561s: - fw_name = FIRMWARE_RT2561s; - break; - case RT2661: - fw_name = FIRMWARE_RT2661; - break; - default: - fw_name = NULL; - break; - } - - return fw_name; -} - -/* - * Initialization functions. - */ -static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data, - const size_t len) -{ - int i; - u32 reg; - - /* - * Wait for stable hardware. - */ - for (i = 0; i < 100; i++) { - rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); - if (reg) - break; - msleep(1); - } - - if (!reg) { - ERROR(rt2x00dev, "Unstable hardware.\n"); - return -EBUSY; - } - - /* - * Prepare MCU and mailbox for firmware loading. - */ - reg = 0; - rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); - rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); - rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); - rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0); - rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, 0); - - /* - * Write firmware to device. - */ - reg = 0; - rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 1); - rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 1); - rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); - - rt2x00pci_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, - data, len); - - rt2x00_set_field32(®, MCU_CNTL_CSR_SELECT_BANK, 0); - rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); - - rt2x00_set_field32(®, MCU_CNTL_CSR_RESET, 0); - rt2x00pci_register_write(rt2x00dev, MCU_CNTL_CSR, reg); - - for (i = 0; i < 100; i++) { - rt2x00pci_register_read(rt2x00dev, MCU_CNTL_CSR, ®); - if (rt2x00_get_field32(reg, MCU_CNTL_CSR_READY)) - break; - msleep(1); - } - - if (i == 100) { - ERROR(rt2x00dev, "MCU Control register not ready.\n"); - return -EBUSY; - } - - /* - * Reset MAC and BBP registers. - */ - reg = 0; - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - return 0; -} - -static void rt61pci_init_rxring(struct rt2x00_dev *rt2x00dev) -{ - struct data_ring *ring = rt2x00dev->rx; - struct data_desc *rxd; - unsigned int i; - u32 word; - - memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring)); - - for (i = 0; i < ring->stats.limit; i++) { - rxd = ring->entry[i].priv; - - rt2x00_desc_read(rxd, 5, &word); - rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS, - ring->entry[i].data_dma); - rt2x00_desc_write(rxd, 5, word); - - rt2x00_desc_read(rxd, 0, &word); - rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1); - rt2x00_desc_write(rxd, 0, word); - } - - rt2x00_ring_index_clear(rt2x00dev->rx); -} - -static void rt61pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue) -{ - struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue); - struct data_desc *txd; - unsigned int i; - u32 word; - - memset(ring->data_addr, 0x00, rt2x00_get_ring_size(ring)); - - for (i = 0; i < ring->stats.limit; i++) { - txd = ring->entry[i].priv; - - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 5, &word); - rt2x00_set_field32(&word, TXD_W5_PID_TYPE, queue); - rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE, i); - rt2x00_desc_write(txd, 5, word); - - rt2x00_desc_read(txd, 6, &word); - rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS, - ring->entry[i].data_dma); - rt2x00_desc_write(txd, 6, word); - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_VALID, 0); - rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0); - rt2x00_desc_write(txd, 0, word); - } - - rt2x00_ring_index_clear(ring); -} - -static int rt61pci_init_rings(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Initialize rings. - */ - rt61pci_init_rxring(rt2x00dev); - rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA0); - rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA1); - rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA2); - rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA3); - rt61pci_init_txring(rt2x00dev, IEEE80211_TX_QUEUE_DATA4); - - /* - * Initialize registers. - */ - rt2x00pci_register_read(rt2x00dev, TX_RING_CSR0, ®); - rt2x00_set_field32(®, TX_RING_CSR0_AC0_RING_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].stats.limit); - rt2x00_set_field32(®, TX_RING_CSR0_AC1_RING_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].stats.limit); - rt2x00_set_field32(®, TX_RING_CSR0_AC2_RING_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].stats.limit); - rt2x00_set_field32(®, TX_RING_CSR0_AC3_RING_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].stats.limit); - rt2x00pci_register_write(rt2x00dev, TX_RING_CSR0, reg); - - rt2x00pci_register_read(rt2x00dev, TX_RING_CSR1, ®); - rt2x00_set_field32(®, TX_RING_CSR1_MGMT_RING_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].stats.limit); - rt2x00_set_field32(®, TX_RING_CSR1_TXD_SIZE, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].desc_size / - 4); - rt2x00pci_register_write(rt2x00dev, TX_RING_CSR1, reg); - - rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, ®); - rt2x00_set_field32(®, AC0_BASE_CSR_RING_REGISTER, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA0].data_dma); - rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, ®); - rt2x00_set_field32(®, AC1_BASE_CSR_RING_REGISTER, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA1].data_dma); - rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, ®); - rt2x00_set_field32(®, AC2_BASE_CSR_RING_REGISTER, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA2].data_dma); - rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, ®); - rt2x00_set_field32(®, AC3_BASE_CSR_RING_REGISTER, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA3].data_dma); - rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, MGMT_BASE_CSR, ®); - rt2x00_set_field32(®, MGMT_BASE_CSR_RING_REGISTER, - rt2x00dev->tx[IEEE80211_TX_QUEUE_DATA4].data_dma); - rt2x00pci_register_write(rt2x00dev, MGMT_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, ®); - rt2x00_set_field32(®, RX_RING_CSR_RING_SIZE, - rt2x00dev->rx->stats.limit); - rt2x00_set_field32(®, RX_RING_CSR_RXD_SIZE, - rt2x00dev->rx->desc_size / 4); - rt2x00_set_field32(®, RX_RING_CSR_RXD_WRITEBACK_SIZE, 4); - rt2x00pci_register_write(rt2x00dev, RX_RING_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, ®); - rt2x00_set_field32(®, RX_BASE_CSR_RING_REGISTER, - rt2x00dev->rx->data_dma); - rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, ®); - rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC0, 2); - rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC1, 2); - rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC2, 2); - rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_AC3, 2); - rt2x00_set_field32(®, TX_DMA_DST_CSR_DEST_MGMT, 0); - rt2x00pci_register_write(rt2x00dev, TX_DMA_DST_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, LOAD_TX_RING_CSR, ®); - rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC0, 1); - rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC1, 1); - rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC2, 1); - rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_AC3, 1); - rt2x00_set_field32(®, LOAD_TX_RING_CSR_LOAD_TXD_MGMT, 1); - rt2x00pci_register_write(rt2x00dev, LOAD_TX_RING_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); - rt2x00_set_field32(®, RX_CNTL_CSR_LOAD_RXD, 1); - rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); - - return 0; -} - -static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_AUTO_TX_SEQ, 1); - rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, 0); - rt2x00_set_field32(®, TXRX_CSR0_TX_WITHOUT_WAITING, 0); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR1, ®); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0, 47); /* CCK Signal */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1, 30); /* Rssi */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2, 42); /* OFDM Rate */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID2_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3, 30); /* Rssi */ - rt2x00_set_field32(®, TXRX_CSR1_BBP_ID3_VALID, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR1, reg); - - /* - * CCK TXD BBP registers - */ - rt2x00pci_register_read(rt2x00dev, TXRX_CSR2, ®); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0, 13); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1, 12); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2, 11); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID2_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3, 10); - rt2x00_set_field32(®, TXRX_CSR2_BBP_ID3_VALID, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR2, reg); - - /* - * OFDM TXD BBP registers - */ - rt2x00pci_register_read(rt2x00dev, TXRX_CSR3, ®); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0, 7); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID0_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1, 6); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID1_VALID, 1); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2, 5); - rt2x00_set_field32(®, TXRX_CSR3_BBP_ID2_VALID, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR3, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR7, ®); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_6MBS, 59); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_9MBS, 53); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_12MBS, 49); - rt2x00_set_field32(®, TXRX_CSR7_ACK_CTS_18MBS, 46); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR7, reg); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR8, ®); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_24MBS, 44); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_36MBS, 42); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_48MBS, 42); - rt2x00_set_field32(®, TXRX_CSR8_ACK_CTS_54MBS, 42); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg); - - rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f); - - rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®); - rt2x00_set_field32(®, MAC_CSR9_CW_SELECT, 0); - rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg); - - rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x0000071c); - - if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) - return -EBUSY; - - rt2x00pci_register_write(rt2x00dev, MAC_CSR13, 0x0000e000); - - /* - * Invalidate all Shared Keys (SEC_CSR0), - * and clear the Shared key Cipher algorithms (SEC_CSR1 & SEC_CSR5) - */ - rt2x00pci_register_write(rt2x00dev, SEC_CSR0, 0x00000000); - rt2x00pci_register_write(rt2x00dev, SEC_CSR1, 0x00000000); - rt2x00pci_register_write(rt2x00dev, SEC_CSR5, 0x00000000); - - rt2x00pci_register_write(rt2x00dev, PHY_CSR1, 0x000023b0); - rt2x00pci_register_write(rt2x00dev, PHY_CSR5, 0x060a100c); - rt2x00pci_register_write(rt2x00dev, PHY_CSR6, 0x00080606); - rt2x00pci_register_write(rt2x00dev, PHY_CSR7, 0x00000a08); - - rt2x00pci_register_write(rt2x00dev, PCI_CFG_CSR, 0x28ca4404); - - rt2x00pci_register_write(rt2x00dev, TEST_MODE_CSR, 0x00000200); - - rt2x00pci_register_write(rt2x00dev, M2H_CMD_DONE_CSR, 0xffffffff); - - rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR0, ®); - rt2x00_set_field32(®, AC_TXOP_CSR0_AC0_TX_OP, 0); - rt2x00_set_field32(®, AC_TXOP_CSR0_AC1_TX_OP, 0); - rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR0, reg); - - rt2x00pci_register_read(rt2x00dev, AC_TXOP_CSR1, ®); - rt2x00_set_field32(®, AC_TXOP_CSR1_AC2_TX_OP, 192); - rt2x00_set_field32(®, AC_TXOP_CSR1_AC3_TX_OP, 48); - rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg); - - /* - * We must clear the error counters. - * These registers are cleared on read, - * so we may pass a useless variable to store the value. - */ - rt2x00pci_register_read(rt2x00dev, STA_CSR0, ®); - rt2x00pci_register_read(rt2x00dev, STA_CSR1, ®); - rt2x00pci_register_read(rt2x00dev, STA_CSR2, ®); - - /* - * Reset MAC and BBP registers. - */ - rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 1); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 1); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_SOFT_RESET, 0); - rt2x00_set_field32(®, MAC_CSR1_BBP_RESET, 0); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR1, ®); - rt2x00_set_field32(®, MAC_CSR1_HOST_READY, 1); - rt2x00pci_register_write(rt2x00dev, MAC_CSR1, reg); - - return 0; -} - -static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - u16 eeprom; - u8 reg_id; - u8 value; - - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt61pci_bbp_read(rt2x00dev, 0, &value); - if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); - udelay(REGISTER_BUSY_DELAY); - } - - ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); - return -EACCES; - -continue_csr_init: - rt61pci_bbp_write(rt2x00dev, 3, 0x00); - rt61pci_bbp_write(rt2x00dev, 15, 0x30); - rt61pci_bbp_write(rt2x00dev, 21, 0xc8); - rt61pci_bbp_write(rt2x00dev, 22, 0x38); - rt61pci_bbp_write(rt2x00dev, 23, 0x06); - rt61pci_bbp_write(rt2x00dev, 24, 0xfe); - rt61pci_bbp_write(rt2x00dev, 25, 0x0a); - rt61pci_bbp_write(rt2x00dev, 26, 0x0d); - rt61pci_bbp_write(rt2x00dev, 34, 0x12); - rt61pci_bbp_write(rt2x00dev, 37, 0x07); - rt61pci_bbp_write(rt2x00dev, 39, 0xf8); - rt61pci_bbp_write(rt2x00dev, 41, 0x60); - rt61pci_bbp_write(rt2x00dev, 53, 0x10); - rt61pci_bbp_write(rt2x00dev, 54, 0x18); - rt61pci_bbp_write(rt2x00dev, 60, 0x10); - rt61pci_bbp_write(rt2x00dev, 61, 0x04); - rt61pci_bbp_write(rt2x00dev, 62, 0x04); - rt61pci_bbp_write(rt2x00dev, 75, 0xfe); - rt61pci_bbp_write(rt2x00dev, 86, 0xfe); - rt61pci_bbp_write(rt2x00dev, 88, 0xfe); - rt61pci_bbp_write(rt2x00dev, 90, 0x0f); - rt61pci_bbp_write(rt2x00dev, 99, 0x00); - rt61pci_bbp_write(rt2x00dev, 102, 0x16); - rt61pci_bbp_write(rt2x00dev, 107, 0x04); - - DEBUG(rt2x00dev, "Start initialization from EEPROM...\n"); - 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); - DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n", - reg_id, value); - rt61pci_bbp_write(rt2x00dev, reg_id, value); - } - } - DEBUG(rt2x00dev, "...End initialization from EEPROM.\n"); - - return 0; -} - -/* - * Device state switch handlers. - */ -static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - u32 reg; - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); -} - -static void rt61pci_toggle_irq(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - int mask = (state == STATE_RADIO_IRQ_OFF); - u32 reg; - - /* - * When interrupts are being enabled, the interrupt registers - * should clear the register to assure a clean state. - */ - if (state == STATE_RADIO_IRQ_ON) { - rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); - rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®); - rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg); - } - - /* - * Only toggle the interrupts bits we are going to use. - * Non-checked interrupt bits are disabled by default. - */ - rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®); - rt2x00_set_field32(®, INT_MASK_CSR_TXDONE, mask); - rt2x00_set_field32(®, INT_MASK_CSR_RXDONE, mask); - rt2x00_set_field32(®, INT_MASK_CSR_ENABLE_MITIGATION, mask); - rt2x00_set_field32(®, INT_MASK_CSR_MITIGATION_PERIOD, 0xff); - rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg); - - rt2x00pci_register_read(rt2x00dev, MCU_INT_MASK_CSR, ®); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_0, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_1, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_2, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_3, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_4, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_5, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_6, mask); - rt2x00_set_field32(®, MCU_INT_MASK_CSR_7, mask); - rt2x00pci_register_write(rt2x00dev, MCU_INT_MASK_CSR, reg); -} - -static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Initialize all registers. - */ - if (rt61pci_init_rings(rt2x00dev) || - rt61pci_init_registers(rt2x00dev) || - rt61pci_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); - return -EIO; - } - - /* - * Enable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); - - /* - * Enable RX. - */ - rt2x00pci_register_read(rt2x00dev, RX_CNTL_CSR, ®); - rt2x00_set_field32(®, RX_CNTL_CSR_ENABLE_RX_DMA, 1); - rt2x00pci_register_write(rt2x00dev, RX_CNTL_CSR, reg); - - /* - * Enable LED - */ - rt61pci_enable_led(rt2x00dev); - - return 0; -} - -static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - - /* - * Disable LED - */ - rt61pci_disable_led(rt2x00dev); - - rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818); - - /* - * Disable synchronisation. - */ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0); - - /* - * Cancel RX and TX. - */ - rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); - rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC0, 1); - rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC1, 1); - rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, 1); - rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, 1); - rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_MGMT, 1); - rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); - - /* - * Disable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); -} - -static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) -{ - u32 reg; - unsigned int i; - char put_to_sleep; - char current_state; - - put_to_sleep = (state != STATE_AWAKE); - - rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); - rt2x00_set_field32(®, MAC_CSR12_FORCE_WAKEUP, !put_to_sleep); - rt2x00_set_field32(®, MAC_CSR12_PUT_TO_SLEEP, put_to_sleep); - rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg); - - /* - * Device is not guaranteed to be in the requested state yet. - * We must wait until the register indicates that the - * device has entered the correct state. - */ - for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); - current_state = - rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); - if (current_state == !put_to_sleep) - return 0; - msleep(10); - } - - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state %d.\n", !put_to_sleep, current_state); - - return -EBUSY; -} - -static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, - enum dev_state state) -{ - int retval = 0; - - switch (state) { - case STATE_RADIO_ON: - retval = rt61pci_enable_radio(rt2x00dev); - break; - case STATE_RADIO_OFF: - rt61pci_disable_radio(rt2x00dev); - break; - case STATE_RADIO_RX_ON: - case STATE_RADIO_RX_OFF: - rt61pci_toggle_rx(rt2x00dev, state); - break; - case STATE_DEEP_SLEEP: - case STATE_SLEEP: - case STATE_STANDBY: - case STATE_AWAKE: - retval = rt61pci_set_state(rt2x00dev, state); - break; - default: - retval = -ENOTSUPP; - break; - } - - return retval; -} - -/* - * TX descriptor initialization - */ -static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, - struct data_desc *txd, - struct txdata_entry_desc *desc, - struct ieee80211_hdr *ieee80211hdr, - unsigned int length, - struct ieee80211_tx_control *control) -{ - u32 word; - - /* - * Start writing the descriptor words. - */ - rt2x00_desc_read(txd, 1, &word); - rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, desc->queue); - rt2x00_set_field32(&word, TXD_W1_AIFSN, desc->aifs); - rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min); - rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max); - rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1); - rt2x00_desc_write(txd, 1, word); - - rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high); - rt2x00_desc_write(txd, 2, word); - - rt2x00_desc_read(txd, 5, &word); - rt2x00_set_field32(&word, TXD_W5_TX_POWER, - TXPOWER_TO_DEV(control->power_level)); - rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); - rt2x00_desc_write(txd, 5, word); - - rt2x00_desc_read(txd, 11, &word); - rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, length); - rt2x00_desc_write(txd, 11, word); - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); - rt2x00_set_field32(&word, TXD_W0_VALID, 1); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - !(control->flags & IEEE80211_TXCTL_NO_ACK)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs); - rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, - !!(control->flags & - IEEE80211_TXCTL_LONG_RETRY_LIMIT)); - rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length); - rt2x00_set_field32(&word, TXD_W0_BURST, - test_bit(ENTRY_TXD_BURST, &desc->flags)); - rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); - rt2x00_desc_write(txd, 0, word); -} - -/* - * TX data initialization - */ -static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - unsigned int queue) -{ - u32 reg; - - if (queue == IEEE80211_TX_QUEUE_BEACON) { - /* - * For Wi-Fi faily generated beacons between participating - * stations. Set TBTT phase adaptive adjustment step to 8us. - */ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); - if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); - } - return; - } - - rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); - if (queue == IEEE80211_TX_QUEUE_DATA0) - rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC0, 1); - else if (queue == IEEE80211_TX_QUEUE_DATA1) - rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC1, 1); - else if (queue == IEEE80211_TX_QUEUE_DATA2) - rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC2, 1); - else if (queue == IEEE80211_TX_QUEUE_DATA3) - rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC3, 1); - else if (queue == IEEE80211_TX_QUEUE_DATA4) - rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_MGMT, 1); - rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg); -} - -/* - * RX control handlers - */ -static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1) -{ - u16 eeprom; - u8 offset; - u8 lna; - - lna = rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_LNA); - switch (lna) { - case 3: - offset = 90; - break; - case 2: - offset = 74; - break; - case 1: - offset = 64; - break; - default: - return 0; - } - - if (rt2x00dev->rx_status.phymode == MODE_IEEE80211A) { - if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) - offset += 14; - - if (lna == 3 || lna == 2) - offset += 10; - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &eeprom); - offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_A_1); - } else { - if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags)) - offset += 14; - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &eeprom); - offset -= rt2x00_get_field16(eeprom, EEPROM_RSSI_OFFSET_BG_1); - } - - return rt2x00_get_field32(rxd_w1, RXD_W1_RSSI_AGC) * 2 - offset; -} - -static void rt61pci_fill_rxdone(struct data_entry *entry, - struct rxdata_entry_desc *desc) -{ - struct data_desc *rxd = entry->priv; - u32 word0; - u32 word1; - - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 1, &word1); - - desc->flags = 0; - if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) - desc->flags |= RX_FLAG_FAILED_FCS_CRC; - - /* - * Obtain the status about this packet. - */ - desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); - desc->rssi = rt61pci_agc_to_rssi(entry->ring->rt2x00dev, word1); - desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); - desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - - return; -} - -/* - * Interrupt functions. - */ -static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev) -{ - struct data_ring *ring; - struct data_entry *entry; - struct data_entry *entry_done; - struct data_desc *txd; - u32 word; - u32 reg; - u32 old_reg; - int type; - int index; - int tx_status; - int retry; - - /* - * During each loop we will compare the freshly read - * STA_CSR4 register value with the value read from - * the previous loop. If the 2 values are equal then - * we should stop processing because the chance it - * quite big that the device has been unplugged and - * we risk going into an endless loop. - */ - old_reg = 0; - - while (1) { - rt2x00pci_register_read(rt2x00dev, STA_CSR4, ®); - if (!rt2x00_get_field32(reg, STA_CSR4_VALID)) - break; - - if (old_reg == reg) - break; - old_reg = reg; - - /* - * Skip this entry when it contains an invalid - * ring identication number. - */ - type = rt2x00_get_field32(reg, STA_CSR4_PID_TYPE); - ring = rt2x00lib_get_ring(rt2x00dev, type); - if (unlikely(!ring)) - continue; - - /* - * Skip this entry when it contains an invalid - * index number. - */ - index = rt2x00_get_field32(reg, STA_CSR4_PID_SUBTYPE); - if (unlikely(index >= ring->stats.limit)) - continue; - - entry = &ring->entry[index]; - txd = entry->priv; - rt2x00_desc_read(txd, 0, &word); - - if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) || - !rt2x00_get_field32(word, TXD_W0_VALID)) - return; - - entry_done = rt2x00_get_data_entry_done(ring); - while (entry != entry_done) { - /* Catch up. Just report any entries we missed as - * failed. */ - WARNING(rt2x00dev, - "TX status report missed for entry %p\n", - entry_done); - rt2x00lib_txdone(entry_done, TX_FAIL_OTHER, 0); - entry_done = rt2x00_get_data_entry_done(ring); - } - - /* - * Obtain the status about this packet. - */ - tx_status = rt2x00_get_field32(reg, STA_CSR4_TX_RESULT); - retry = rt2x00_get_field32(reg, STA_CSR4_RETRY_COUNT); - - rt2x00lib_txdone(entry, tx_status, retry); - - /* - * Make this entry available for reuse. - */ - entry->flags = 0; - rt2x00_set_field32(&word, TXD_W0_VALID, 0); - rt2x00_desc_write(txd, 0, word); - rt2x00_ring_index_done_inc(entry->ring); - - /* - * If the data ring was full before the txdone handler - * we must make sure the packet queue in the mac80211 stack - * is reenabled when the txdone handler has finished. - */ - if (!rt2x00_ring_full(ring)) - ieee80211_wake_queue(rt2x00dev->hw, - entry->tx_status.control.queue); - } -} - -static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance) -{ - struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg_mcu; - u32 reg; - - /* - * Get the interrupt sources & saved to local variable. - * Write register value back to clear pending interrupts. - */ - rt2x00pci_register_read(rt2x00dev, MCU_INT_SOURCE_CSR, ®_mcu); - rt2x00pci_register_write(rt2x00dev, MCU_INT_SOURCE_CSR, reg_mcu); - - rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); - rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); - - if (!reg && !reg_mcu) - return IRQ_NONE; - - if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) - return IRQ_HANDLED; - - /* - * Handle interrupts, walk through all bits - * and run the tasks, the bits are checked in order of - * priority. - */ - - /* - * 1 - Rx ring done interrupt. - */ - if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RXDONE)) - rt2x00pci_rxdone(rt2x00dev); - - /* - * 2 - Tx ring done interrupt. - */ - if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TXDONE)) - rt61pci_txdone(rt2x00dev); - - /* - * 3 - Handle MCU command done. - */ - if (reg_mcu) - rt2x00pci_register_write(rt2x00dev, - M2H_CMD_DONE_CSR, 0xffffffff); - - return IRQ_HANDLED; -} - -/* - * Device probe functions. - */ -static int rt61pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) -{ - struct eeprom_93cx6 eeprom; - u32 reg; - u16 word; - u8 *mac; - s8 value; - - rt2x00pci_register_read(rt2x00dev, E2PROM_CSR, ®); - - eeprom.data = rt2x00dev; - eeprom.register_read = rt61pci_eepromregister_read; - eeprom.register_write = rt61pci_eepromregister_write; - eeprom.width = rt2x00_get_field32(reg, E2PROM_CSR_TYPE_93C46) ? - PCI_EEPROM_WIDTH_93C46 : PCI_EEPROM_WIDTH_93C66; - eeprom.reg_data_in = 0; - eeprom.reg_data_out = 0; - eeprom.reg_data_clock = 0; - eeprom.reg_chip_select = 0; - - eeprom_93cx6_multiread(&eeprom, EEPROM_BASE, rt2x00dev->eeprom, - EEPROM_SIZE / sizeof(u16)); - - /* - * Start validation of the data that has been read. - */ - mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); - if (!is_valid_ether_addr(mac)) { - DECLARE_MAC_BUF(macbuf); - - random_ether_addr(mac); - EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 2); - rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); - rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF5225); - rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); - EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0); - rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0); - rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0); - rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0); - rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); - rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); - EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_LED_LED_MODE, - LED_MODE_DEFAULT); - rt2x00_eeprom_write(rt2x00dev, EEPROM_LED, word); - EEPROM(rt2x00dev, "Led: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0); - rt2x00_set_field16(&word, EEPROM_FREQ_SEQ, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word); - EEPROM(rt2x00dev, "Freq: 0x%04x\n", word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_BG, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); - EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); - } else { - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_1); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_1, 0); - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_BG_2); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_BG_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_BG, word); - } - - rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_OFFSET_A, &word); - if (word == 0xffff) { - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); - EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word); - } else { - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0); - value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_2); - if (value < -10 || value > 10) - rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0); - rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word); - } - - return 0; -} - -static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev) -{ - u32 reg; - u16 value; - u16 eeprom; - u16 device; - - /* - * Read EEPROM word for configuration. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); - - /* - * Identify RF chipset. - * To determine the RT chip we have to read the - * PCI header of the device. - */ - pci_read_config_word(rt2x00dev_pci(rt2x00dev), - PCI_CONFIG_HEADER_DEVICE, &device); - value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); - rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®); - rt2x00_set_chip(rt2x00dev, device, value, reg); - - if (!rt2x00_rf(&rt2x00dev->chip, RF5225) && - !rt2x00_rf(&rt2x00dev->chip, RF5325) && - !rt2x00_rf(&rt2x00dev->chip, RF2527) && - !rt2x00_rf(&rt2x00dev->chip, RF2529)) { - ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); - return -ENODEV; - } - - /* - * Identify default antenna configuration. - */ - rt2x00dev->hw->conf.antenna_sel_tx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); - rt2x00dev->hw->conf.antenna_sel_rx = - rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); - - /* - * Read the Frame type. - */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_FRAME_TYPE)) - __set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags); - - /* - * Determine number of antenna's. - */ - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2) - __set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags); - - /* - * Detect if this device has an hardware controlled radio. - */ -#ifdef CONFIG_RT61PCI_RFKILL - if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) - __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); -#endif /* CONFIG_RT61PCI_RFKILL */ - - /* - * Read frequency offset and RF programming sequence. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom); - if (rt2x00_get_field16(eeprom, EEPROM_FREQ_SEQ)) - __set_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags); - - rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET); - - /* - * Read external LNA informations. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); - - if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_A)) - __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags); - if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG)) - __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags); - - /* - * Store led settings, for correct led behaviour. - * If the eeprom value is invalid, - * switch to default led mode. - */ - rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); - - rt2x00dev->led_mode = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE); - - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_LED_MODE, - rt2x00dev->led_mode); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_0, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_0)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_1, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_1)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_2, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_2)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_3, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_3)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_GPIO_4, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_GPIO_4)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_ACT, - rt2x00_get_field16(eeprom, EEPROM_LED_POLARITY_ACT)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_BG, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_G)); - rt2x00_set_field16(&rt2x00dev->led_reg, MCU_LEDCS_POLARITY_READY_A, - rt2x00_get_field16(eeprom, - EEPROM_LED_POLARITY_RDY_A)); - - return 0; -} - -/* - * RF value list for RF5225 & RF5325 - * Supports: 2.4 GHz & 5.2 GHz, rf_sequence disabled - */ -static const struct rf_channel rf_vals_noseq[] = { - { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, - { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, - { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, - { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, - { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, - { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, - { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, - { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, - { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, - { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, - { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, - { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, - { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, - { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, - - /* 802.11 UNI / HyperLan 2 */ - { 36, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa23 }, - { 40, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa03 }, - { 44, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa0b }, - { 48, 0x00002ccc, 0x000049aa, 0x0009be55, 0x000ffa13 }, - { 52, 0x00002ccc, 0x000049ae, 0x0009ae55, 0x000ffa1b }, - { 56, 0x00002ccc, 0x000049b2, 0x0009ae55, 0x000ffa23 }, - { 60, 0x00002ccc, 0x000049ba, 0x0009ae55, 0x000ffa03 }, - { 64, 0x00002ccc, 0x000049be, 0x0009ae55, 0x000ffa0b }, - - /* 802.11 HyperLan 2 */ - { 100, 0x00002ccc, 0x00004a2a, 0x000bae55, 0x000ffa03 }, - { 104, 0x00002ccc, 0x00004a2e, 0x000bae55, 0x000ffa0b }, - { 108, 0x00002ccc, 0x00004a32, 0x000bae55, 0x000ffa13 }, - { 112, 0x00002ccc, 0x00004a36, 0x000bae55, 0x000ffa1b }, - { 116, 0x00002ccc, 0x00004a3a, 0x000bbe55, 0x000ffa23 }, - { 120, 0x00002ccc, 0x00004a82, 0x000bbe55, 0x000ffa03 }, - { 124, 0x00002ccc, 0x00004a86, 0x000bbe55, 0x000ffa0b }, - { 128, 0x00002ccc, 0x00004a8a, 0x000bbe55, 0x000ffa13 }, - { 132, 0x00002ccc, 0x00004a8e, 0x000bbe55, 0x000ffa1b }, - { 136, 0x00002ccc, 0x00004a92, 0x000bbe55, 0x000ffa23 }, - - /* 802.11 UNII */ - { 140, 0x00002ccc, 0x00004a9a, 0x000bbe55, 0x000ffa03 }, - { 149, 0x00002ccc, 0x00004aa2, 0x000bbe55, 0x000ffa1f }, - { 153, 0x00002ccc, 0x00004aa6, 0x000bbe55, 0x000ffa27 }, - { 157, 0x00002ccc, 0x00004aae, 0x000bbe55, 0x000ffa07 }, - { 161, 0x00002ccc, 0x00004ab2, 0x000bbe55, 0x000ffa0f }, - { 165, 0x00002ccc, 0x00004ab6, 0x000bbe55, 0x000ffa17 }, - - /* MMAC(Japan)J52 ch 34,38,42,46 */ - { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000ffa0b }, - { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000ffa13 }, - { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000ffa1b }, - { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000ffa23 }, -}; - -/* - * RF value list for RF5225 & RF5325 - * Supports: 2.4 GHz & 5.2 GHz, rf_sequence enabled - */ -static const struct rf_channel rf_vals_seq[] = { - { 1, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa0b }, - { 2, 0x00002ccc, 0x00004786, 0x00068455, 0x000ffa1f }, - { 3, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa0b }, - { 4, 0x00002ccc, 0x0000478a, 0x00068455, 0x000ffa1f }, - { 5, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa0b }, - { 6, 0x00002ccc, 0x0000478e, 0x00068455, 0x000ffa1f }, - { 7, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa0b }, - { 8, 0x00002ccc, 0x00004792, 0x00068455, 0x000ffa1f }, - { 9, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa0b }, - { 10, 0x00002ccc, 0x00004796, 0x00068455, 0x000ffa1f }, - { 11, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa0b }, - { 12, 0x00002ccc, 0x0000479a, 0x00068455, 0x000ffa1f }, - { 13, 0x00002ccc, 0x0000479e, 0x00068455, 0x000ffa0b }, - { 14, 0x00002ccc, 0x000047a2, 0x00068455, 0x000ffa13 }, - - /* 802.11 UNI / HyperLan 2 */ - { 36, 0x00002cd4, 0x0004481a, 0x00098455, 0x000c0a03 }, - { 40, 0x00002cd0, 0x00044682, 0x00098455, 0x000c0a03 }, - { 44, 0x00002cd0, 0x00044686, 0x00098455, 0x000c0a1b }, - { 48, 0x00002cd0, 0x0004468e, 0x00098655, 0x000c0a0b }, - { 52, 0x00002cd0, 0x00044692, 0x00098855, 0x000c0a23 }, - { 56, 0x00002cd0, 0x0004469a, 0x00098c55, 0x000c0a13 }, - { 60, 0x00002cd0, 0x000446a2, 0x00098e55, 0x000c0a03 }, - { 64, 0x00002cd0, 0x000446a6, 0x00099255, 0x000c0a1b }, - - /* 802.11 HyperLan 2 */ - { 100, 0x00002cd4, 0x0004489a, 0x000b9855, 0x000c0a03 }, - { 104, 0x00002cd4, 0x000448a2, 0x000b9855, 0x000c0a03 }, - { 108, 0x00002cd4, 0x000448aa, 0x000b9855, 0x000c0a03 }, - { 112, 0x00002cd4, 0x000448b2, 0x000b9a55, 0x000c0a03 }, - { 116, 0x00002cd4, 0x000448ba, 0x000b9a55, 0x000c0a03 }, - { 120, 0x00002cd0, 0x00044702, 0x000b9a55, 0x000c0a03 }, - { 124, 0x00002cd0, 0x00044706, 0x000b9a55, 0x000c0a1b }, - { 128, 0x00002cd0, 0x0004470e, 0x000b9c55, 0x000c0a0b }, - { 132, 0x00002cd0, 0x00044712, 0x000b9c55, 0x000c0a23 }, - { 136, 0x00002cd0, 0x0004471a, 0x000b9e55, 0x000c0a13 }, - - /* 802.11 UNII */ - { 140, 0x00002cd0, 0x00044722, 0x000b9e55, 0x000c0a03 }, - { 149, 0x00002cd0, 0x0004472e, 0x000ba255, 0x000c0a1b }, - { 153, 0x00002cd0, 0x00044736, 0x000ba255, 0x000c0a0b }, - { 157, 0x00002cd4, 0x0004490a, 0x000ba255, 0x000c0a17 }, - { 161, 0x00002cd4, 0x00044912, 0x000ba255, 0x000c0a17 }, - { 165, 0x00002cd4, 0x0004491a, 0x000ba255, 0x000c0a17 }, - - /* MMAC(Japan)J52 ch 34,38,42,46 */ - { 34, 0x00002ccc, 0x0000499a, 0x0009be55, 0x000c0a0b }, - { 38, 0x00002ccc, 0x0000499e, 0x0009be55, 0x000c0a13 }, - { 42, 0x00002ccc, 0x000049a2, 0x0009be55, 0x000c0a1b }, - { 46, 0x00002ccc, 0x000049a6, 0x0009be55, 0x000c0a23 }, -}; - -static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) -{ - struct hw_mode_spec *spec = &rt2x00dev->spec; - u8 *txpower; - unsigned int i; - - /* - * Initialize all hw fields. - */ - rt2x00dev->hw->flags = - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; - rt2x00dev->hw->extra_tx_headroom = 0; - rt2x00dev->hw->max_signal = MAX_SIGNAL; - rt2x00dev->hw->max_rssi = MAX_RX_SSI; - rt2x00dev->hw->queues = 5; - - SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev); - SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, - rt2x00_eeprom_addr(rt2x00dev, - EEPROM_MAC_ADDR_0)); - - /* - * Convert tx_power array in eeprom. - */ - txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START); - for (i = 0; i < 14; i++) - txpower[i] = TXPOWER_FROM_DEV(txpower[i]); - - /* - * Initialize hw_mode information. - */ - spec->num_modes = 2; - spec->num_rates = 12; - spec->tx_power_a = NULL; - spec->tx_power_bg = txpower; - spec->tx_power_default = DEFAULT_TXPOWER; - - if (!test_bit(CONFIG_RF_SEQUENCE, &rt2x00dev->flags)) { - spec->num_channels = 14; - spec->channels = rf_vals_noseq; - } else { - spec->num_channels = 14; - spec->channels = rf_vals_seq; - } - - if (rt2x00_rf(&rt2x00dev->chip, RF5225) || - rt2x00_rf(&rt2x00dev->chip, RF5325)) { - spec->num_modes = 3; - spec->num_channels = ARRAY_SIZE(rf_vals_seq); - - txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START); - for (i = 0; i < 14; i++) - txpower[i] = TXPOWER_FROM_DEV(txpower[i]); - - spec->tx_power_a = txpower; - } -} - -static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) -{ - int retval; - - /* - * Allocate eeprom data. - */ - retval = rt61pci_validate_eeprom(rt2x00dev); - if (retval) - return retval; - - retval = rt61pci_init_eeprom(rt2x00dev); - if (retval) - return retval; - - /* - * Initialize hw specifications. - */ - rt61pci_probe_hw_mode(rt2x00dev); - - /* - * This device requires firmware - */ - __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); - - /* - * Set the rssi offset. - */ - rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; - - return 0; -} - -/* - * IEEE80211 stack callback functions. - */ -static void rt61pci_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, - int mc_count, - struct dev_addr_list *mc_list) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct interface *intf = &rt2x00dev->interface; - u32 reg; - - /* - * Mask off any flags we are going to ignore from - * the total_flags field. - */ - *total_flags &= - FIF_ALLMULTI | - FIF_FCSFAIL | - FIF_PLCPFAIL | - FIF_CONTROL | - FIF_OTHER_BSS | - FIF_PROMISC_IN_BSS; - - /* - * Apply some rules to the filters: - * - Some filters imply different filters to be set. - * - Some things we can't filter out at all. - * - Some filters are set based on interface type. - */ - if (mc_count) - *total_flags |= FIF_ALLMULTI; - if (*total_flags & FIF_OTHER_BSS || - *total_flags & FIF_PROMISC_IN_BSS) - *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; - if (is_interface_type(intf, IEEE80211_IF_TYPE_AP)) - *total_flags |= FIF_PROMISC_IN_BSS; - - /* - * Check if there is any work left for us. - */ - if (intf->filter == *total_flags) - return; - intf->filter = *total_flags; - - /* - * 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. - */ - rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); - rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC, - !(*total_flags & FIF_FCSFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL, - !(*total_flags & FIF_PLCPFAIL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL, - !(*total_flags & FIF_CONTROL)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS, - !(*total_flags & FIF_PROMISC_IN_BSS)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1); - rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST, - !(*total_flags & FIF_ALLMULTI)); - rt2x00_set_field32(®, TXRX_CSR0_DROP_BORADCAST, 0); - rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); -} - -static int rt61pci_set_retry_limit(struct ieee80211_hw *hw, - u32 short_retry, u32 long_retry) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - u32 reg; - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®); - rt2x00_set_field32(®, TXRX_CSR4_LONG_RETRY_LIMIT, long_retry); - rt2x00_set_field32(®, TXRX_CSR4_SHORT_RETRY_LIMIT, short_retry); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); - - return 0; -} - -static u64 rt61pci_get_tsf(struct ieee80211_hw *hw) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - u64 tsf; - u32 reg; - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR13, ®); - tsf = (u64) rt2x00_get_field32(reg, TXRX_CSR13_HIGH_TSFTIMER) << 32; - rt2x00pci_register_read(rt2x00dev, TXRX_CSR12, ®); - tsf |= rt2x00_get_field32(reg, TXRX_CSR12_LOW_TSFTIMER); - - return tsf; -} - -static void rt61pci_reset_tsf(struct ieee80211_hw *hw) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - - rt2x00pci_register_write(rt2x00dev, TXRX_CSR12, 0); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR13, 0); -} - -static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *control) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - - /* - * Just in case the ieee80211 doesn't set this, - * but we need this queue set for the descriptor - * initialization. - */ - control->queue = IEEE80211_TX_QUEUE_BEACON; - - /* - * We need to append the descriptor in front of the - * beacon frame. - */ - if (skb_headroom(skb) < TXD_DESC_SIZE) { - if (pskb_expand_head(skb, TXD_DESC_SIZE, 0, GFP_ATOMIC)) { - dev_kfree_skb(skb); - return -ENOMEM; - } - } - - /* - * First we create the beacon. - */ - skb_push(skb, TXD_DESC_SIZE); - memset(skb->data, 0, TXD_DESC_SIZE); - - rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data, - (struct ieee80211_hdr *)(skb->data + - TXD_DESC_SIZE), - skb->len - TXD_DESC_SIZE, control); - - /* - * Write entire beacon with descriptor to register, - * and kick the beacon generator. - */ - rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0, - skb->data, skb->len); - rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); - - return 0; -} - -static const struct ieee80211_ops rt61pci_mac80211_ops = { - .tx = rt2x00mac_tx, - .start = rt2x00mac_start, - .stop = rt2x00mac_stop, - .add_interface = rt2x00mac_add_interface, - .remove_interface = rt2x00mac_remove_interface, - .config = rt2x00mac_config, - .config_interface = rt2x00mac_config_interface, - .configure_filter = rt61pci_configure_filter, - .get_stats = rt2x00mac_get_stats, - .set_retry_limit = rt61pci_set_retry_limit, - .erp_ie_changed = rt2x00mac_erp_ie_changed, - .conf_tx = rt2x00mac_conf_tx, - .get_tx_stats = rt2x00mac_get_tx_stats, - .get_tsf = rt61pci_get_tsf, - .reset_tsf = rt61pci_reset_tsf, - .beacon_update = rt61pci_beacon_update, -}; - -static const struct rt2x00lib_ops rt61pci_rt2x00_ops = { - .irq_handler = rt61pci_interrupt, - .probe_hw = rt61pci_probe_hw, - .get_firmware_name = rt61pci_get_firmware_name, - .load_firmware = rt61pci_load_firmware, - .initialize = rt2x00pci_initialize, - .uninitialize = rt2x00pci_uninitialize, - .set_device_state = rt61pci_set_device_state, - .rfkill_poll = rt61pci_rfkill_poll, - .link_stats = rt61pci_link_stats, - .reset_tuner = rt61pci_reset_tuner, - .link_tuner = rt61pci_link_tuner, - .write_tx_desc = rt61pci_write_tx_desc, - .write_tx_data = rt2x00pci_write_tx_data, - .kick_tx_queue = rt61pci_kick_tx_queue, - .fill_rxdone = rt61pci_fill_rxdone, - .config_mac_addr = rt61pci_config_mac_addr, - .config_bssid = rt61pci_config_bssid, - .config_type = rt61pci_config_type, - .config_preamble = rt61pci_config_preamble, - .config = rt61pci_config, -}; - -static const struct rt2x00_ops rt61pci_ops = { - .name = DRV_NAME, - .rxd_size = RXD_DESC_SIZE, - .txd_size = TXD_DESC_SIZE, - .eeprom_size = EEPROM_SIZE, - .rf_size = RF_SIZE, - .lib = &rt61pci_rt2x00_ops, - .hw = &rt61pci_mac80211_ops, -#ifdef CONFIG_RT2X00_LIB_DEBUGFS - .debugfs = &rt61pci_rt2x00debug, -#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ -}; - -/* - * RT61pci module information. - */ -static struct pci_device_id rt61pci_device_table[] = { - /* RT2561s */ - { PCI_DEVICE(0x1814, 0x0301), PCI_DEVICE_DATA(&rt61pci_ops) }, - /* RT2561 v2 */ - { PCI_DEVICE(0x1814, 0x0302), PCI_DEVICE_DATA(&rt61pci_ops) }, - /* RT2661 */ - { PCI_DEVICE(0x1814, 0x0401), PCI_DEVICE_DATA(&rt61pci_ops) }, - { 0, } -}; - -MODULE_AUTHOR(DRV_PROJECT); -MODULE_VERSION(DRV_VERSION); -MODULE_DESCRIPTION("Ralink RT61 PCI & PCMCIA Wireless LAN driver."); -MODULE_SUPPORTED_DEVICE("Ralink RT2561, RT2561s & RT2661 " - "PCI & PCMCIA chipset based cards"); -MODULE_DEVICE_TABLE(pci, rt61pci_device_table); -MODULE_FIRMWARE(FIRMWARE_RT2561); -MODULE_FIRMWARE(FIRMWARE_RT2561s); -MODULE_FIRMWARE(FIRMWARE_RT2661); -MODULE_LICENSE("GPL"); - -static struct pci_driver rt61pci_driver = { - .name = DRV_NAME, - .id_table = rt61pci_device_table, - .probe = rt2x00pci_probe, - .remove = __devexit_p(rt2x00pci_remove), - .suspend = rt2x00pci_suspend, - .resume = rt2x00pci_resume, -}; - -static int __init rt61pci_init(void) -{ - return pci_register_driver(&rt61pci_driver); -} - -static void __exit rt61pci_exit(void) -{ - pci_unregister_driver(&rt61pci_driver); -} - -module_init(rt61pci_init); -module_exit(rt61pci_exit); |