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authorKalle Valo <kvalo@codeaurora.org>2015-11-18 10:18:44 +0200
committerKalle Valo <kvalo@codeaurora.org>2015-11-18 14:28:31 +0200
commit33aca94d797d7a8b6b4911ba02060c4fa9a0c47d (patch)
tree8f4b1ce7ac83e747763be157671c5885ed7376d9 /drivers/net/wireless/rt2x00/rt2400pci.c
parent941a967c98362d6ba9a5d8bb6fdc1b70d7179602 (diff)
downloadlinux-33aca94d797d7a8b6b4911ba02060c4fa9a0c47d.tar.bz2
rt2x00: move under ralink vendor directory
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2400pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2400pci.c1850
1 files changed, 0 insertions, 1850 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
deleted file mode 100644
index 9a3966cd6fbe..000000000000
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ /dev/null
@@ -1,1850 +0,0 @@
-/*
- Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- Module: rt2400pci
- Abstract: rt2400pci device specific routines.
- Supported chipsets: RT2460.
- */
-
-#include <linux/delay.h>
-#include <linux/etherdevice.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/eeprom_93cx6.h>
-#include <linux/slab.h>
-
-#include "rt2x00.h"
-#include "rt2x00mmio.h"
-#include "rt2x00pci.h"
-#include "rt2400pci.h"
-
-/*
- * Register access.
- * All access to the CSR registers will go through the methods
- * rt2x00mmio_register_read and rt2x00mmio_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 attempt. When the busy bit is still set at that time,
- * the access attempt is considered to have failed,
- * and we will print an error.
- */
-#define WAIT_FOR_BBP(__dev, __reg) \
- rt2x00mmio_regbusy_read((__dev), BBPCSR, BBPCSR_BUSY, (__reg))
-#define WAIT_FOR_RF(__dev, __reg) \
- rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg))
-
-static void rt2400pci_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)) {
- reg = 0;
- rt2x00_set_field32(&reg, BBPCSR_VALUE, value);
- rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
- rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
- rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 1);
-
- rt2x00mmio_register_write(rt2x00dev, BBPCSR, reg);
- }
-
- mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2400pci_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)) {
- reg = 0;
- rt2x00_set_field32(&reg, BBPCSR_REGNUM, word);
- rt2x00_set_field32(&reg, BBPCSR_BUSY, 1);
- rt2x00_set_field32(&reg, BBPCSR_WRITE_CONTROL, 0);
-
- rt2x00mmio_register_write(rt2x00dev, BBPCSR, reg);
-
- WAIT_FOR_BBP(rt2x00dev, &reg);
- }
-
- *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
-
- mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2400pci_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)) {
- reg = 0;
- rt2x00_set_field32(&reg, RFCSR_VALUE, value);
- rt2x00_set_field32(&reg, RFCSR_NUMBER_OF_BITS, 20);
- rt2x00_set_field32(&reg, RFCSR_IF_SELECT, 0);
- rt2x00_set_field32(&reg, RFCSR_BUSY, 1);
-
- rt2x00mmio_register_write(rt2x00dev, RFCSR, reg);
- rt2x00_rf_write(rt2x00dev, word, value);
- }
-
- mutex_unlock(&rt2x00dev->csr_mutex);
-}
-
-static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
-{
- struct rt2x00_dev *rt2x00dev = eeprom->data;
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, CSR21, &reg);
-
- eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
- eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
- eeprom->reg_data_clock =
- !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_CLOCK);
- eeprom->reg_chip_select =
- !!rt2x00_get_field32(reg, CSR21_EEPROM_CHIP_SELECT);
-}
-
-static void rt2400pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
-{
- struct rt2x00_dev *rt2x00dev = eeprom->data;
- u32 reg = 0;
-
- rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_IN, !!eeprom->reg_data_in);
- rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_OUT, !!eeprom->reg_data_out);
- rt2x00_set_field32(&reg, CSR21_EEPROM_DATA_CLOCK,
- !!eeprom->reg_data_clock);
- rt2x00_set_field32(&reg, CSR21_EEPROM_CHIP_SELECT,
- !!eeprom->reg_chip_select);
-
- rt2x00mmio_register_write(rt2x00dev, CSR21, reg);
-}
-
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-static const struct rt2x00debug rt2400pci_rt2x00debug = {
- .owner = THIS_MODULE,
- .csr = {
- .read = rt2x00mmio_register_read,
- .write = rt2x00mmio_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 = rt2400pci_bbp_read,
- .write = rt2400pci_bbp_write,
- .word_base = BBP_BASE,
- .word_size = sizeof(u8),
- .word_count = BBP_SIZE / sizeof(u8),
- },
- .rf = {
- .read = rt2x00_rf_read,
- .write = rt2400pci_rf_write,
- .word_base = RF_BASE,
- .word_size = sizeof(u32),
- .word_count = RF_SIZE / sizeof(u32),
- },
-};
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-
-static int rt2400pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
-{
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, GPIOCSR, &reg);
- return rt2x00_get_field32(reg, GPIOCSR_VAL0);
-}
-
-#ifdef CONFIG_RT2X00_LIB_LEDS
-static void rt2400pci_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;
- u32 reg;
-
- rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, &reg);
-
- if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
- rt2x00_set_field32(&reg, LEDCSR_LINK, enabled);
- else if (led->type == LED_TYPE_ACTIVITY)
- rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, enabled);
-
- rt2x00mmio_register_write(led->rt2x00dev, LEDCSR, reg);
-}
-
-static int rt2400pci_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
-{
- struct rt2x00_led *led =
- container_of(led_cdev, struct rt2x00_led, led_dev);
- u32 reg;
-
- rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, &reg);
- rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, *delay_on);
- rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, *delay_off);
- rt2x00mmio_register_write(led->rt2x00dev, LEDCSR, reg);
-
- return 0;
-}
-
-static void rt2400pci_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 = rt2400pci_brightness_set;
- led->led_dev.blink_set = rt2400pci_blink_set;
- led->flags = LED_INITIALIZED;
-}
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
-/*
- * Configuration handlers.
- */
-static void rt2400pci_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
- * since there is no filter for it at this time.
- */
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
- rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
- !(filter_flags & FIF_FCSFAIL));
- rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
- !(filter_flags & FIF_PLCPFAIL));
- rt2x00_set_field32(&reg, RXCSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
- rt2x00_set_field32(&reg, RXCSR0_DROP_NOT_TO_ME, 1);
- rt2x00_set_field32(&reg, RXCSR0_DROP_TODS,
- !rt2x00dev->intf_ap_count);
- rt2x00_set_field32(&reg, RXCSR0_DROP_VERSION_ERROR, 1);
- rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg);
-}
-
-static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
- struct rt2x00_intf *intf,
- struct rt2x00intf_conf *conf,
- const unsigned int flags)
-{
- unsigned int bcn_preload;
- u32 reg;
-
- if (flags & CONFIG_UPDATE_TYPE) {
- /*
- * Enable beacon config
- */
- bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
- rt2x00mmio_register_read(rt2x00dev, BCNCSR1, &reg);
- rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
- rt2x00mmio_register_write(rt2x00dev, BCNCSR1, reg);
-
- /*
- * Enable synchronisation.
- */
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
- rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
- }
-
- if (flags & CONFIG_UPDATE_MAC)
- rt2x00mmio_register_multiwrite(rt2x00dev, CSR3,
- conf->mac, sizeof(conf->mac));
-
- if (flags & CONFIG_UPDATE_BSSID)
- rt2x00mmio_register_multiwrite(rt2x00dev, CSR5,
- conf->bssid,
- sizeof(conf->bssid));
-}
-
-static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_erp *erp,
- u32 changed)
-{
- int preamble_mask;
- u32 reg;
-
- /*
- * When short preamble is enabled, we should set bit 0x08
- */
- if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- preamble_mask = erp->short_preamble << 3;
-
- rt2x00mmio_register_read(rt2x00dev, TXCSR1, &reg);
- rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, 0x1ff);
- rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, 0x13a);
- rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
- rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
- rt2x00mmio_register_write(rt2x00dev, TXCSR1, reg);
-
- rt2x00mmio_register_read(rt2x00dev, ARCSR2, &reg);
- rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
- rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
- rt2x00_set_field32(&reg, ARCSR2_LENGTH,
- GET_DURATION(ACK_SIZE, 10));
- rt2x00mmio_register_write(rt2x00dev, ARCSR2, reg);
-
- rt2x00mmio_register_read(rt2x00dev, ARCSR3, &reg);
- rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
- rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
- rt2x00_set_field32(&reg, ARCSR2_LENGTH,
- GET_DURATION(ACK_SIZE, 20));
- rt2x00mmio_register_write(rt2x00dev, ARCSR3, reg);
-
- rt2x00mmio_register_read(rt2x00dev, ARCSR4, &reg);
- rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
- rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
- rt2x00_set_field32(&reg, ARCSR2_LENGTH,
- GET_DURATION(ACK_SIZE, 55));
- rt2x00mmio_register_write(rt2x00dev, ARCSR4, reg);
-
- rt2x00mmio_register_read(rt2x00dev, ARCSR5, &reg);
- rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
- rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
- rt2x00_set_field32(&reg, ARCSR2_LENGTH,
- GET_DURATION(ACK_SIZE, 110));
- rt2x00mmio_register_write(rt2x00dev, ARCSR5, reg);
- }
-
- if (changed & BSS_CHANGED_BASIC_RATES)
- rt2x00mmio_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
-
- if (changed & BSS_CHANGED_ERP_SLOT) {
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
- rt2x00_set_field32(&reg, CSR11_SLOT_TIME, erp->slot_time);
- rt2x00mmio_register_write(rt2x00dev, CSR11, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR18, &reg);
- rt2x00_set_field32(&reg, CSR18_SIFS, erp->sifs);
- rt2x00_set_field32(&reg, CSR18_PIFS, erp->pifs);
- rt2x00mmio_register_write(rt2x00dev, CSR18, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR19, &reg);
- rt2x00_set_field32(&reg, CSR19_DIFS, erp->difs);
- rt2x00_set_field32(&reg, CSR19_EIFS, erp->eifs);
- rt2x00mmio_register_write(rt2x00dev, CSR19, reg);
- }
-
- if (changed & BSS_CHANGED_BEACON_INT) {
- rt2x00mmio_register_read(rt2x00dev, CSR12, &reg);
- rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
- erp->beacon_int * 16);
- rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
- erp->beacon_int * 16);
- rt2x00mmio_register_write(rt2x00dev, CSR12, reg);
- }
-}
-
-static void rt2400pci_config_ant(struct rt2x00_dev *rt2x00dev,
- struct antenna_setup *ant)
-{
- u8 r1;
- u8 r4;
-
- /*
- * We should never come here because rt2x00lib is supposed
- * to catch this and send us the correct antenna explicitely.
- */
- BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
- ant->tx == ANTENNA_SW_DIVERSITY);
-
- rt2400pci_bbp_read(rt2x00dev, 4, &r4);
- rt2400pci_bbp_read(rt2x00dev, 1, &r1);
-
- /*
- * Configure the TX antenna.
- */
- switch (ant->tx) {
- case ANTENNA_HW_DIVERSITY:
- rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1);
- break;
- case ANTENNA_A:
- rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 0);
- break;
- case ANTENNA_B:
- default:
- rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 2);
- break;
- }
-
- /*
- * Configure the RX antenna.
- */
- switch (ant->rx) {
- case ANTENNA_HW_DIVERSITY:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
- break;
- case ANTENNA_A:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 0);
- break;
- case ANTENNA_B:
- default:
- rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
- break;
- }
-
- rt2400pci_bbp_write(rt2x00dev, 4, r4);
- rt2400pci_bbp_write(rt2x00dev, 1, r1);
-}
-
-static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev,
- struct rf_channel *rf)
-{
- /*
- * Switch on tuning bits.
- */
- rt2x00_set_field32(&rf->rf1, RF1_TUNER, 1);
- rt2x00_set_field32(&rf->rf3, RF3_TUNER, 1);
-
- rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
- rt2400pci_rf_write(rt2x00dev, 2, rf->rf2);
- rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
-
- /*
- * RF2420 chipset don't need any additional actions.
- */
- if (rt2x00_rf(rt2x00dev, RF2420))
- return;
-
- /*
- * For the RT2421 chipsets we need to write an invalid
- * reference clock rate to activate auto_tune.
- * After that we set the value back to the correct channel.
- */
- rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
- rt2400pci_rf_write(rt2x00dev, 2, 0x000c2a32);
- rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
-
- msleep(1);
-
- rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
- rt2400pci_rf_write(rt2x00dev, 2, rf->rf2);
- rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
-
- msleep(1);
-
- /*
- * Switch off tuning bits.
- */
- rt2x00_set_field32(&rf->rf1, RF1_TUNER, 0);
- rt2x00_set_field32(&rf->rf3, RF3_TUNER, 0);
-
- rt2400pci_rf_write(rt2x00dev, 1, rf->rf1);
- rt2400pci_rf_write(rt2x00dev, 3, rf->rf3);
-
- /*
- * Clear false CRC during channel switch.
- */
- rt2x00mmio_register_read(rt2x00dev, CNT0, &rf->rf1);
-}
-
-static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower)
-{
- rt2400pci_bbp_write(rt2x00dev, 3, TXPOWER_TO_DEV(txpower));
-}
-
-static void rt2400pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_conf *libconf)
-{
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
- rt2x00_set_field32(&reg, CSR11_LONG_RETRY,
- libconf->conf->long_frame_max_tx_count);
- rt2x00_set_field32(&reg, CSR11_SHORT_RETRY,
- libconf->conf->short_frame_max_tx_count);
- rt2x00mmio_register_write(rt2x00dev, CSR11, reg);
-}
-
-static void rt2400pci_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) {
- rt2x00mmio_register_read(rt2x00dev, CSR20, &reg);
- rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
- (rt2x00dev->beacon_int - 20) * 16);
- rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
- libconf->conf->listen_interval - 1);
-
- /* We must first disable autowake before it can be enabled */
- rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR20, reg);
-
- rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 1);
- rt2x00mmio_register_write(rt2x00dev, CSR20, reg);
- } else {
- rt2x00mmio_register_read(rt2x00dev, CSR20, &reg);
- rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR20, reg);
- }
-
- rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
-}
-
-static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_conf *libconf,
- const unsigned int flags)
-{
- if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
- rt2400pci_config_channel(rt2x00dev, &libconf->rf);
- if (flags & IEEE80211_CONF_CHANGE_POWER)
- rt2400pci_config_txpower(rt2x00dev,
- libconf->conf->power_level);
- if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
- rt2400pci_config_retry_limit(rt2x00dev, libconf);
- if (flags & IEEE80211_CONF_CHANGE_PS)
- rt2400pci_config_ps(rt2x00dev, libconf);
-}
-
-static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev,
- const int cw_min, const int cw_max)
-{
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
- rt2x00_set_field32(&reg, CSR11_CWMIN, cw_min);
- rt2x00_set_field32(&reg, CSR11_CWMAX, cw_max);
- rt2x00mmio_register_write(rt2x00dev, CSR11, reg);
-}
-
-/*
- * Link tuning
- */
-static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual)
-{
- u32 reg;
- u8 bbp;
-
- /*
- * Update FCS error count from register.
- */
- rt2x00mmio_register_read(rt2x00dev, CNT0, &reg);
- qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
-
- /*
- * Update False CCA count from register.
- */
- rt2400pci_bbp_read(rt2x00dev, 39, &bbp);
- qual->false_cca = bbp;
-}
-
-static inline void rt2400pci_set_vgc(struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual, u8 vgc_level)
-{
- if (qual->vgc_level_reg != vgc_level) {
- rt2400pci_bbp_write(rt2x00dev, 13, vgc_level);
- qual->vgc_level = vgc_level;
- qual->vgc_level_reg = vgc_level;
- }
-}
-
-static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual)
-{
- rt2400pci_set_vgc(rt2x00dev, qual, 0x08);
-}
-
-static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual, const u32 count)
-{
- /*
- * The link tuner should not run longer then 60 seconds,
- * and should run once every 2 seconds.
- */
- if (count > 60 || !(count & 1))
- return;
-
- /*
- * Base r13 link tuning on the false cca count.
- */
- if ((qual->false_cca > 512) && (qual->vgc_level < 0x20))
- rt2400pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level);
- else if ((qual->false_cca < 100) && (qual->vgc_level > 0x08))
- rt2400pci_set_vgc(rt2x00dev, qual, --qual->vgc_level);
-}
-
-/*
- * Queue handlers.
- */
-static void rt2400pci_start_queue(struct data_queue *queue)
-{
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
- u32 reg;
-
- switch (queue->qid) {
- case QID_RX:
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
- rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX, 0);
- rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg);
- break;
- case QID_BEACON:
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
- rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
- rt2x00_set_field32(&reg, CSR14_TBCN, 1);
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
- break;
- default:
- break;
- }
-}
-
-static void rt2400pci_kick_queue(struct data_queue *queue)
-{
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
- u32 reg;
-
- switch (queue->qid) {
- case QID_AC_VO:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
- rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
- rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
- break;
- case QID_AC_VI:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
- rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
- rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
- break;
- case QID_ATIM:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
- rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
- rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
- break;
- default:
- break;
- }
-}
-
-static void rt2400pci_stop_queue(struct data_queue *queue)
-{
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
- u32 reg;
-
- switch (queue->qid) {
- case QID_AC_VO:
- case QID_AC_VI:
- case QID_ATIM:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
- rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
- rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
- break;
- case QID_RX:
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
- rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX, 1);
- rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg);
- break;
- case QID_BEACON:
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
- rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
- rt2x00_set_field32(&reg, CSR14_TBCN, 0);
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
-
- /*
- * Wait for possibly running tbtt tasklets.
- */
- tasklet_kill(&rt2x00dev->tbtt_tasklet);
- break;
- default:
- break;
- }
-}
-
-/*
- * Initialization functions.
- */
-static bool rt2400pci_get_entry_state(struct queue_entry *entry)
-{
- struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
- u32 word;
-
- if (entry->queue->qid == QID_RX) {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
-
- return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
- } else {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
-
- return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
- rt2x00_get_field32(word, TXD_W0_VALID));
- }
-}
-
-static void rt2400pci_clear_entry(struct queue_entry *entry)
-{
- struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
- u32 word;
-
- if (entry->queue->qid == QID_RX) {
- rt2x00_desc_read(entry_priv->desc, 2, &word);
- rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
- rt2x00_desc_write(entry_priv->desc, 2, word);
-
- rt2x00_desc_read(entry_priv->desc, 1, &word);
- rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
- rt2x00_desc_write(entry_priv->desc, 1, word);
-
- rt2x00_desc_read(entry_priv->desc, 0, &word);
- rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
- rt2x00_desc_write(entry_priv->desc, 0, word);
- } else {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
- rt2x00_set_field32(&word, TXD_W0_VALID, 0);
- rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
- rt2x00_desc_write(entry_priv->desc, 0, word);
- }
-}
-
-static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
-{
- struct queue_entry_priv_mmio *entry_priv;
- u32 reg;
-
- /*
- * Initialize registers.
- */
- rt2x00mmio_register_read(rt2x00dev, TXCSR2, &reg);
- rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
- rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
- rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit);
- rt2x00_set_field32(&reg, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit);
- rt2x00mmio_register_write(rt2x00dev, TXCSR2, reg);
-
- entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR3, &reg);
- rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
- entry_priv->desc_dma);
- rt2x00mmio_register_write(rt2x00dev, TXCSR3, reg);
-
- entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR5, &reg);
- rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
- entry_priv->desc_dma);
- rt2x00mmio_register_write(rt2x00dev, TXCSR5, reg);
-
- entry_priv = rt2x00dev->atim->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR4, &reg);
- rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
- entry_priv->desc_dma);
- rt2x00mmio_register_write(rt2x00dev, TXCSR4, reg);
-
- entry_priv = rt2x00dev->bcn->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR6, &reg);
- rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
- entry_priv->desc_dma);
- rt2x00mmio_register_write(rt2x00dev, TXCSR6, reg);
-
- rt2x00mmio_register_read(rt2x00dev, RXCSR1, &reg);
- rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
- rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
- rt2x00mmio_register_write(rt2x00dev, RXCSR1, reg);
-
- entry_priv = rt2x00dev->rx->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, RXCSR2, &reg);
- rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
- entry_priv->desc_dma);
- rt2x00mmio_register_write(rt2x00dev, RXCSR2, reg);
-
- return 0;
-}
-
-static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
-{
- u32 reg;
-
- rt2x00mmio_register_write(rt2x00dev, PSCSR0, 0x00020002);
- rt2x00mmio_register_write(rt2x00dev, PSCSR1, 0x00000002);
- rt2x00mmio_register_write(rt2x00dev, PSCSR2, 0x00023f20);
- rt2x00mmio_register_write(rt2x00dev, PSCSR3, 0x00000002);
-
- rt2x00mmio_register_read(rt2x00dev, TIMECSR, &reg);
- rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
- rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
- rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
- rt2x00mmio_register_write(rt2x00dev, TIMECSR, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR9, &reg);
- rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
- (rt2x00dev->rx->data_size / 128));
- rt2x00mmio_register_write(rt2x00dev, CSR9, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
- rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
- rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
- rt2x00_set_field32(&reg, CSR14_TBCN, 0);
- rt2x00_set_field32(&reg, CSR14_TCFP, 0);
- rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
- rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
- rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
-
- rt2x00mmio_register_write(rt2x00dev, CNT3, 0x3f080000);
-
- rt2x00mmio_register_read(rt2x00dev, ARCSR0, &reg);
- rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA0, 133);
- rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID0, 134);
- rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA1, 136);
- rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID1, 135);
- rt2x00mmio_register_write(rt2x00dev, ARCSR0, reg);
-
- rt2x00mmio_register_read(rt2x00dev, RXCSR3, &reg);
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 3); /* Tx power.*/
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 32); /* Signal */
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID1_VALID, 1);
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID2, 36); /* Rssi */
- rt2x00_set_field32(&reg, RXCSR3_BBP_ID2_VALID, 1);
- rt2x00mmio_register_write(rt2x00dev, RXCSR3, reg);
-
- rt2x00mmio_register_write(rt2x00dev, PWRCSR0, 0x3f3b3100);
-
- if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
- return -EBUSY;
-
- rt2x00mmio_register_write(rt2x00dev, MACCSR0, 0x00217223);
- rt2x00mmio_register_write(rt2x00dev, MACCSR1, 0x00235518);
-
- rt2x00mmio_register_read(rt2x00dev, MACCSR2, &reg);
- rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
- rt2x00mmio_register_write(rt2x00dev, MACCSR2, reg);
-
- rt2x00mmio_register_read(rt2x00dev, RALINKCSR, &reg);
- rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
- rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 154);
- rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
- rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 154);
- rt2x00mmio_register_write(rt2x00dev, RALINKCSR, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR1, &reg);
- rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
- rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
- rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR1, reg);
-
- rt2x00mmio_register_read(rt2x00dev, CSR1, &reg);
- rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
- rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
- rt2x00mmio_register_write(rt2x00dev, CSR1, reg);
-
- /*
- * We must clear the FCS and FIFO error count.
- * These registers are cleared on read,
- * so we may pass a useless variable to store the value.
- */
- rt2x00mmio_register_read(rt2x00dev, CNT0, &reg);
- rt2x00mmio_register_read(rt2x00dev, CNT4, &reg);
-
- return 0;
-}
-
-static int rt2400pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u8 value;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2400pci_bbp_read(rt2x00dev, 0, &value);
- if ((value != 0xff) && (value != 0x00))
- return 0;
- udelay(REGISTER_BUSY_DELAY);
- }
-
- rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
- return -EACCES;
-}
-
-static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u16 eeprom;
- u8 reg_id;
- u8 value;
-
- if (unlikely(rt2400pci_wait_bbp_ready(rt2x00dev)))
- return -EACCES;
-
- rt2400pci_bbp_write(rt2x00dev, 1, 0x00);
- rt2400pci_bbp_write(rt2x00dev, 3, 0x27);
- rt2400pci_bbp_write(rt2x00dev, 4, 0x08);
- rt2400pci_bbp_write(rt2x00dev, 10, 0x0f);
- rt2400pci_bbp_write(rt2x00dev, 15, 0x72);
- rt2400pci_bbp_write(rt2x00dev, 16, 0x74);
- rt2400pci_bbp_write(rt2x00dev, 17, 0x20);
- rt2400pci_bbp_write(rt2x00dev, 18, 0x72);
- rt2400pci_bbp_write(rt2x00dev, 19, 0x0b);
- rt2400pci_bbp_write(rt2x00dev, 20, 0x00);
- rt2400pci_bbp_write(rt2x00dev, 28, 0x11);
- rt2400pci_bbp_write(rt2x00dev, 29, 0x04);
- rt2400pci_bbp_write(rt2x00dev, 30, 0x21);
- rt2400pci_bbp_write(rt2x00dev, 31, 0x00);
-
- 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);
- rt2400pci_bbp_write(rt2x00dev, reg_id, value);
- }
- }
-
- return 0;
-}
-
-/*
- * Device state switch handlers.
- */
-static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
- enum dev_state state)
-{
- int mask = (state == STATE_RADIO_IRQ_OFF);
- u32 reg;
- unsigned long flags;
-
- /*
- * When interrupts are being enabled, the interrupt registers
- * should clear the register to assure a clean state.
- */
- if (state == STATE_RADIO_IRQ_ON) {
- rt2x00mmio_register_read(rt2x00dev, CSR7, &reg);
- rt2x00mmio_register_write(rt2x00dev, CSR7, reg);
- }
-
- /*
- * Only toggle the interrupts bits we are going to use.
- * Non-checked interrupt bits are disabled by default.
- */
- spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
-
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
- rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
- rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
- rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
- rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, mask);
- rt2x00_set_field32(&reg, CSR8_RXDONE, mask);
- rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
-
- spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
-
- if (state == STATE_RADIO_IRQ_OFF) {
- /*
- * Ensure that all tasklets are finished before
- * disabling the interrupts.
- */
- tasklet_kill(&rt2x00dev->txstatus_tasklet);
- tasklet_kill(&rt2x00dev->rxdone_tasklet);
- tasklet_kill(&rt2x00dev->tbtt_tasklet);
- }
-}
-
-static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev)
-{
- /*
- * Initialize all registers.
- */
- if (unlikely(rt2400pci_init_queues(rt2x00dev) ||
- rt2400pci_init_registers(rt2x00dev) ||
- rt2400pci_init_bbp(rt2x00dev)))
- return -EIO;
-
- return 0;
-}
-
-static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev)
-{
- /*
- * Disable power
- */
- rt2x00mmio_register_write(rt2x00dev, PWRCSR0, 0);
-}
-
-static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
- enum dev_state state)
-{
- u32 reg, reg2;
- unsigned int i;
- char put_to_sleep;
- char bbp_state;
- char rf_state;
-
- put_to_sleep = (state != STATE_AWAKE);
-
- rt2x00mmio_register_read(rt2x00dev, PWRCSR1, &reg);
- rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
- rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
- rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
- rt2x00_set_field32(&reg, PWRCSR1_PUT_TO_SLEEP, put_to_sleep);
- rt2x00mmio_register_write(rt2x00dev, PWRCSR1, 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++) {
- rt2x00mmio_register_read(rt2x00dev, PWRCSR1, &reg2);
- bbp_state = rt2x00_get_field32(reg2, PWRCSR1_BBP_CURR_STATE);
- rf_state = rt2x00_get_field32(reg2, PWRCSR1_RF_CURR_STATE);
- if (bbp_state == state && rf_state == state)
- return 0;
- rt2x00mmio_register_write(rt2x00dev, PWRCSR1, reg);
- msleep(10);
- }
-
- return -EBUSY;
-}
-
-static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
- enum dev_state state)
-{
- int retval = 0;
-
- switch (state) {
- case STATE_RADIO_ON:
- retval = rt2400pci_enable_radio(rt2x00dev);
- break;
- case STATE_RADIO_OFF:
- rt2400pci_disable_radio(rt2x00dev);
- break;
- case STATE_RADIO_IRQ_ON:
- case STATE_RADIO_IRQ_OFF:
- rt2400pci_toggle_irq(rt2x00dev, state);
- break;
- case STATE_DEEP_SLEEP:
- case STATE_SLEEP:
- case STATE_STANDBY:
- case STATE_AWAKE:
- retval = rt2400pci_set_state(rt2x00dev, state);
- break;
- default:
- retval = -ENOTSUPP;
- break;
- }
-
- if (unlikely(retval))
- rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
- state, retval);
-
- return retval;
-}
-
-/*
- * TX descriptor initialization
- */
-static void rt2400pci_write_tx_desc(struct queue_entry *entry,
- struct txentry_desc *txdesc)
-{
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
- struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
- __le32 *txd = entry_priv->desc;
- u32 word;
-
- /*
- * Start writing the descriptor words.
- */
- rt2x00_desc_read(txd, 1, &word);
- rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
- rt2x00_desc_write(txd, 1, word);
-
- rt2x00_desc_read(txd, 2, &word);
- rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, txdesc->length);
- rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, txdesc->length);
- rt2x00_desc_write(txd, 2, word);
-
- rt2x00_desc_read(txd, 3, &word);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->u.plcp.signal);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_REGNUM, 5);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_BUSY, 1);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->u.plcp.service);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_REGNUM, 6);
- rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_BUSY, 1);
- rt2x00_desc_write(txd, 3, word);
-
- rt2x00_desc_read(txd, 4, &word);
- rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW,
- txdesc->u.plcp.length_low);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_REGNUM, 8);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_BUSY, 1);
- rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH,
- txdesc->u.plcp.length_high);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_REGNUM, 7);
- rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_BUSY, 1);
- rt2x00_desc_write(txd, 4, word);
-
- /*
- * Writing TXD word 0 must the last to prevent a race condition with
- * the device, whereby the device may take hold of the TXD before we
- * finished updating it.
- */
- 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, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_ACK,
- test_bit(ENTRY_TXD_ACK, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
- test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_RTS,
- test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags));
- rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs);
- rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
- test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
- rt2x00_desc_write(txd, 0, word);
-
- /*
- * Register descriptor details in skb frame descriptor.
- */
- skbdesc->desc = txd;
- skbdesc->desc_len = TXD_DESC_SIZE;
-}
-
-/*
- * TX data initialization
- */
-static void rt2400pci_write_beacon(struct queue_entry *entry,
- struct txentry_desc *txdesc)
-{
- 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.
- */
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
-
- if (rt2x00queue_map_txskb(entry)) {
- rt2x00_err(rt2x00dev, "Fail to map beacon, aborting\n");
- goto out;
- }
- /*
- * Enable beaconing again.
- */
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
- /*
- * Write the TX descriptor for the beacon.
- */
- rt2400pci_write_tx_desc(entry, txdesc);
-
- /*
- * Dump beacon to userspace through debugfs.
- */
- rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
-out:
- /*
- * Enable beaconing again.
- */
- rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
- rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
-}
-
-/*
- * RX control handlers
- */
-static void rt2400pci_fill_rxdone(struct queue_entry *entry,
- struct rxdone_entry_desc *rxdesc)
-{
- struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
- struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
- u32 word0;
- u32 word2;
- u32 word3;
- u32 word4;
- u64 tsf;
- u32 rx_low;
- u32 rx_high;
-
- rt2x00_desc_read(entry_priv->desc, 0, &word0);
- rt2x00_desc_read(entry_priv->desc, 2, &word2);
- rt2x00_desc_read(entry_priv->desc, 3, &word3);
- rt2x00_desc_read(entry_priv->desc, 4, &word4);
-
- if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
- rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
- if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
- rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
-
- /*
- * We only get the lower 32bits from the timestamp,
- * to get the full 64bits we must complement it with
- * the timestamp from get_tsf().
- * Note that when a wraparound of the lower 32bits
- * has occurred between the frame arrival and the get_tsf()
- * call, we must decrease the higher 32bits with 1 to get
- * to correct value.
- */
- tsf = rt2x00dev->ops->hw->get_tsf(rt2x00dev->hw, NULL);
- rx_low = rt2x00_get_field32(word4, RXD_W4_RX_END_TIME);
- rx_high = upper_32_bits(tsf);
-
- if ((u32)tsf <= rx_low)
- rx_high--;
-
- /*
- * Obtain the status about this packet.
- * The signal is the PLCP value, and needs to be stripped
- * of the preamble bit (0x08).
- */
- rxdesc->timestamp = ((u64)rx_high << 32) | rx_low;
- rxdesc->signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL) & ~0x08;
- rxdesc->rssi = rt2x00_get_field32(word3, RXD_W3_RSSI) -
- entry->queue->rt2x00dev->rssi_offset;
- rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
-
- rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
- if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
- rxdesc->dev_flags |= RXDONE_MY_BSS;
-}
-
-/*
- * Interrupt functions.
- */
-static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev,
- const enum data_queue_qid queue_idx)
-{
- struct data_queue *queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
- struct queue_entry_priv_mmio *entry_priv;
- struct queue_entry *entry;
- struct txdone_entry_desc txdesc;
- u32 word;
-
- while (!rt2x00queue_empty(queue)) {
- entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
- entry_priv = entry->priv_data;
- rt2x00_desc_read(entry_priv->desc, 0, &word);
-
- if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
- !rt2x00_get_field32(word, TXD_W0_VALID))
- break;
-
- /*
- * Obtain the status about this packet.
- */
- txdesc.flags = 0;
- switch (rt2x00_get_field32(word, TXD_W0_RESULT)) {
- case 0: /* Success */
- case 1: /* Success with retry */
- __set_bit(TXDONE_SUCCESS, &txdesc.flags);
- break;
- case 2: /* Failure, excessive retries */
- __set_bit(TXDONE_EXCESSIVE_RETRY, &txdesc.flags);
- /* Don't break, this is a failed frame! */
- default: /* Failure */
- __set_bit(TXDONE_FAILURE, &txdesc.flags);
- }
- txdesc.retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
-
- rt2x00lib_txdone(entry, &txdesc);
- }
-}
-
-static inline void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
- struct rt2x00_field32 irq_field)
-{
- u32 reg;
-
- /*
- * Enable a single interrupt. The interrupt mask register
- * access needs locking.
- */
- spin_lock_irq(&rt2x00dev->irqmask_lock);
-
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
- rt2x00_set_field32(&reg, irq_field, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
-
- spin_unlock_irq(&rt2x00dev->irqmask_lock);
-}
-
-static void rt2400pci_txstatus_tasklet(unsigned long data)
-{
- struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
- u32 reg;
-
- /*
- * Handle all tx queues.
- */
- rt2400pci_txdone(rt2x00dev, QID_ATIM);
- rt2400pci_txdone(rt2x00dev, QID_AC_VO);
- rt2400pci_txdone(rt2x00dev, QID_AC_VI);
-
- /*
- * Enable all TXDONE interrupts again.
- */
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) {
- spin_lock_irq(&rt2x00dev->irqmask_lock);
-
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
- rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, 0);
- rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, 0);
- rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, 0);
- rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
-
- spin_unlock_irq(&rt2x00dev->irqmask_lock);
- }
-}
-
-static void rt2400pci_tbtt_tasklet(unsigned long data)
-{
- struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
- rt2x00lib_beacondone(rt2x00dev);
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- rt2400pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE);
-}
-
-static void rt2400pci_rxdone_tasklet(unsigned long data)
-{
- struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
- if (rt2x00mmio_rxdone(rt2x00dev))
- tasklet_schedule(&rt2x00dev->rxdone_tasklet);
- else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- rt2400pci_enable_interrupt(rt2x00dev, CSR8_RXDONE);
-}
-
-static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
-{
- struct rt2x00_dev *rt2x00dev = dev_instance;
- u32 reg, mask;
-
- /*
- * Get the interrupt sources & saved to local variable.
- * Write register value back to clear pending interrupts.
- */
- rt2x00mmio_register_read(rt2x00dev, CSR7, &reg);
- rt2x00mmio_register_write(rt2x00dev, CSR7, reg);
-
- if (!reg)
- return IRQ_NONE;
-
- if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- return IRQ_HANDLED;
-
- mask = reg;
-
- /*
- * Schedule tasklets for interrupt handling.
- */
- if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE))
- tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
-
- if (rt2x00_get_field32(reg, CSR7_RXDONE))
- tasklet_schedule(&rt2x00dev->rxdone_tasklet);
-
- if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING) ||
- rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING) ||
- rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) {
- tasklet_schedule(&rt2x00dev->txstatus_tasklet);
- /*
- * Mask out all txdone interrupts.
- */
- rt2x00_set_field32(&mask, CSR8_TXDONE_TXRING, 1);
- rt2x00_set_field32(&mask, CSR8_TXDONE_ATIMRING, 1);
- rt2x00_set_field32(&mask, CSR8_TXDONE_PRIORING, 1);
- }
-
- /*
- * Disable all interrupts for which a tasklet was scheduled right now,
- * the tasklet will reenable the appropriate interrupts.
- */
- spin_lock(&rt2x00dev->irqmask_lock);
-
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
- reg |= mask;
- rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
-
- spin_unlock(&rt2x00dev->irqmask_lock);
-
-
-
- return IRQ_HANDLED;
-}
-
-/*
- * Device probe functions.
- */
-static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
-{
- struct eeprom_93cx6 eeprom;
- u32 reg;
- u16 word;
- u8 *mac;
-
- rt2x00mmio_register_read(rt2x00dev, CSR21, &reg);
-
- eeprom.data = rt2x00dev;
- eeprom.register_read = rt2400pci_eepromregister_read;
- eeprom.register_write = rt2400pci_eepromregister_write;
- eeprom.width = rt2x00_get_field32(reg, CSR21_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)) {
- eth_random_addr(mac);
- rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
- }
-
- rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
- if (word == 0xffff) {
- rt2x00_err(rt2x00dev, "Invalid EEPROM data detected\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
-{
- u32 reg;
- u16 value;
- u16 eeprom;
-
- /*
- * Read EEPROM word for configuration.
- */
- rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
-
- /*
- * Identify RF chipset.
- */
- value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
- rt2x00mmio_register_read(rt2x00dev, CSR0, &reg);
- rt2x00_set_chip(rt2x00dev, RT2460, value,
- rt2x00_get_field32(reg, CSR0_REVISION));
-
- if (!rt2x00_rf(rt2x00dev, RF2420) && !rt2x00_rf(rt2x00dev, RF2421)) {
- rt2x00_err(rt2x00dev, "Invalid RF chipset detected\n");
- return -ENODEV;
- }
-
- /*
- * Identify default antenna configuration.
- */
- rt2x00dev->default_ant.tx =
- rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
- rt2x00dev->default_ant.rx =
- rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
-
- /*
- * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
- * I am not 100% sure about this, but the legacy drivers do not
- * indicate antenna swapping in software is required when
- * diversity is enabled.
- */
- if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
- rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
- if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
- rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
-
- /*
- * Store led mode, for correct led behaviour.
- */
-#ifdef CONFIG_RT2X00_LIB_LEDS
- value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
-
- rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
- if (value == LED_MODE_TXRX_ACTIVITY ||
- value == LED_MODE_DEFAULT ||
- value == LED_MODE_ASUS)
- rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_qual,
- LED_TYPE_ACTIVITY);
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
- /*
- * Detect if this device has an hardware controlled radio.
- */
- if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
- __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
-
- /*
- * Check if the BBP tuning should be enabled.
- */
- if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_AGCVGC_TUNING))
- __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
-
- return 0;
-}
-
-/*
- * RF value list for RF2420 & RF2421
- * Supports: 2.4 GHz
- */
-static const struct rf_channel rf_vals_b[] = {
- { 1, 0x00022058, 0x000c1fda, 0x00000101, 0 },
- { 2, 0x00022058, 0x000c1fee, 0x00000101, 0 },
- { 3, 0x00022058, 0x000c2002, 0x00000101, 0 },
- { 4, 0x00022058, 0x000c2016, 0x00000101, 0 },
- { 5, 0x00022058, 0x000c202a, 0x00000101, 0 },
- { 6, 0x00022058, 0x000c203e, 0x00000101, 0 },
- { 7, 0x00022058, 0x000c2052, 0x00000101, 0 },
- { 8, 0x00022058, 0x000c2066, 0x00000101, 0 },
- { 9, 0x00022058, 0x000c207a, 0x00000101, 0 },
- { 10, 0x00022058, 0x000c208e, 0x00000101, 0 },
- { 11, 0x00022058, 0x000c20a2, 0x00000101, 0 },
- { 12, 0x00022058, 0x000c20b6, 0x00000101, 0 },
- { 13, 0x00022058, 0x000c20ca, 0x00000101, 0 },
- { 14, 0x00022058, 0x000c20fa, 0x00000101, 0 },
-};
-
-static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
-{
- struct hw_mode_spec *spec = &rt2x00dev->spec;
- struct channel_info *info;
- char *tx_power;
- unsigned int i;
-
- /*
- * Initialize all hw fields.
- */
- ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK);
- ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS);
- ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
- ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM);
-
- SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
- SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
- rt2x00_eeprom_addr(rt2x00dev,
- EEPROM_MAC_ADDR_0));
-
- /*
- * Initialize hw_mode information.
- */
- spec->supported_bands = SUPPORT_BAND_2GHZ;
- spec->supported_rates = SUPPORT_RATE_CCK;
-
- spec->num_channels = ARRAY_SIZE(rf_vals_b);
- spec->channels = rf_vals_b;
-
- /*
- * Create channel information array
- */
- info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- spec->channels_info = info;
-
- tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
- for (i = 0; i < 14; i++) {
- info[i].max_power = TXPOWER_FROM_DEV(MAX_TXPOWER);
- info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
- }
-
- return 0;
-}
-
-static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev)
-{
- int retval;
- u32 reg;
-
- /*
- * Allocate eeprom data.
- */
- retval = rt2400pci_validate_eeprom(rt2x00dev);
- if (retval)
- return retval;
-
- retval = rt2400pci_init_eeprom(rt2x00dev);
- if (retval)
- return retval;
-
- /*
- * Enable rfkill polling by setting GPIO direction of the
- * rfkill switch GPIO pin correctly.
- */
- rt2x00mmio_register_read(rt2x00dev, GPIOCSR, &reg);
- rt2x00_set_field32(&reg, GPIOCSR_DIR0, 1);
- rt2x00mmio_register_write(rt2x00dev, GPIOCSR, reg);
-
- /*
- * Initialize hw specifications.
- */
- retval = rt2400pci_probe_hw_mode(rt2x00dev);
- if (retval)
- return retval;
-
- /*
- * This device requires the atim queue and DMA-mapped skbs.
- */
- __set_bit(REQUIRE_ATIM_QUEUE, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags);
-
- /*
- * Set the rssi offset.
- */
- rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
-
- return 0;
-}
-
-/*
- * IEEE80211 stack callback functions.
- */
-static int rt2400pci_conf_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u16 queue,
- const struct ieee80211_tx_queue_params *params)
-{
- struct rt2x00_dev *rt2x00dev = hw->priv;
-
- /*
- * We don't support variating cw_min and cw_max variables
- * per queue. So by default we only configure the TX queue,
- * and ignore all other configurations.
- */
- if (queue != 0)
- return -EINVAL;
-
- if (rt2x00mac_conf_tx(hw, vif, queue, params))
- return -EINVAL;
-
- /*
- * Write configuration to register.
- */
- rt2400pci_config_cw(rt2x00dev,
- rt2x00dev->tx->cw_min, rt2x00dev->tx->cw_max);
-
- return 0;
-}
-
-static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct rt2x00_dev *rt2x00dev = hw->priv;
- u64 tsf;
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, CSR17, &reg);
- tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
- rt2x00mmio_register_read(rt2x00dev, CSR16, &reg);
- tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
-
- return tsf;
-}
-
-static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw)
-{
- struct rt2x00_dev *rt2x00dev = hw->priv;
- u32 reg;
-
- rt2x00mmio_register_read(rt2x00dev, CSR15, &reg);
- return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
-}
-
-static const struct ieee80211_ops rt2400pci_mac80211_ops = {
- .tx = rt2x00mac_tx,
- .start = rt2x00mac_start,
- .stop = rt2x00mac_stop,
- .add_interface = rt2x00mac_add_interface,
- .remove_interface = rt2x00mac_remove_interface,
- .config = rt2x00mac_config,
- .configure_filter = rt2x00mac_configure_filter,
- .sw_scan_start = rt2x00mac_sw_scan_start,
- .sw_scan_complete = rt2x00mac_sw_scan_complete,
- .get_stats = rt2x00mac_get_stats,
- .bss_info_changed = rt2x00mac_bss_info_changed,
- .conf_tx = rt2400pci_conf_tx,
- .get_tsf = rt2400pci_get_tsf,
- .tx_last_beacon = rt2400pci_tx_last_beacon,
- .rfkill_poll = rt2x00mac_rfkill_poll,
- .flush = rt2x00mac_flush,
- .set_antenna = rt2x00mac_set_antenna,
- .get_antenna = rt2x00mac_get_antenna,
- .get_ringparam = rt2x00mac_get_ringparam,
- .tx_frames_pending = rt2x00mac_tx_frames_pending,
-};
-
-static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
- .irq_handler = rt2400pci_interrupt,
- .txstatus_tasklet = rt2400pci_txstatus_tasklet,
- .tbtt_tasklet = rt2400pci_tbtt_tasklet,
- .rxdone_tasklet = rt2400pci_rxdone_tasklet,
- .probe_hw = rt2400pci_probe_hw,
- .initialize = rt2x00mmio_initialize,
- .uninitialize = rt2x00mmio_uninitialize,
- .get_entry_state = rt2400pci_get_entry_state,
- .clear_entry = rt2400pci_clear_entry,
- .set_device_state = rt2400pci_set_device_state,
- .rfkill_poll = rt2400pci_rfkill_poll,
- .link_stats = rt2400pci_link_stats,
- .reset_tuner = rt2400pci_reset_tuner,
- .link_tuner = rt2400pci_link_tuner,
- .start_queue = rt2400pci_start_queue,
- .kick_queue = rt2400pci_kick_queue,
- .stop_queue = rt2400pci_stop_queue,
- .flush_queue = rt2x00mmio_flush_queue,
- .write_tx_desc = rt2400pci_write_tx_desc,
- .write_beacon = rt2400pci_write_beacon,
- .fill_rxdone = rt2400pci_fill_rxdone,
- .config_filter = rt2400pci_config_filter,
- .config_intf = rt2400pci_config_intf,
- .config_erp = rt2400pci_config_erp,
- .config_ant = rt2400pci_config_ant,
- .config = rt2400pci_config,
-};
-
-static void rt2400pci_queue_init(struct data_queue *queue)
-{
- switch (queue->qid) {
- case QID_RX:
- queue->limit = 24;
- queue->data_size = DATA_FRAME_SIZE;
- queue->desc_size = RXD_DESC_SIZE;
- queue->priv_size = sizeof(struct queue_entry_priv_mmio);
- break;
-
- case QID_AC_VO:
- case QID_AC_VI:
- case QID_AC_BE:
- case QID_AC_BK:
- queue->limit = 24;
- queue->data_size = DATA_FRAME_SIZE;
- queue->desc_size = TXD_DESC_SIZE;
- queue->priv_size = sizeof(struct queue_entry_priv_mmio);
- break;
-
- case QID_BEACON:
- queue->limit = 1;
- queue->data_size = MGMT_FRAME_SIZE;
- queue->desc_size = TXD_DESC_SIZE;
- queue->priv_size = sizeof(struct queue_entry_priv_mmio);
- break;
-
- case QID_ATIM:
- queue->limit = 8;
- queue->data_size = DATA_FRAME_SIZE;
- queue->desc_size = TXD_DESC_SIZE;
- queue->priv_size = sizeof(struct queue_entry_priv_mmio);
- break;
-
- default:
- BUG();
- break;
- }
-}
-
-static const struct rt2x00_ops rt2400pci_ops = {
- .name = KBUILD_MODNAME,
- .max_ap_intf = 1,
- .eeprom_size = EEPROM_SIZE,
- .rf_size = RF_SIZE,
- .tx_queues = NUM_TX_QUEUES,
- .queue_init = rt2400pci_queue_init,
- .lib = &rt2400pci_rt2x00_ops,
- .hw = &rt2400pci_mac80211_ops,
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
- .debugfs = &rt2400pci_rt2x00debug,
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-};
-
-/*
- * RT2400pci module information.
- */
-static const struct pci_device_id rt2400pci_device_table[] = {
- { PCI_DEVICE(0x1814, 0x0101) },
- { 0, }
-};
-
-
-MODULE_AUTHOR(DRV_PROJECT);
-MODULE_VERSION(DRV_VERSION);
-MODULE_DESCRIPTION("Ralink RT2400 PCI & PCMCIA Wireless LAN driver.");
-MODULE_SUPPORTED_DEVICE("Ralink RT2460 PCI & PCMCIA chipset based cards");
-MODULE_DEVICE_TABLE(pci, rt2400pci_device_table);
-MODULE_LICENSE("GPL");
-
-static int rt2400pci_probe(struct pci_dev *pci_dev,
- const struct pci_device_id *id)
-{
- return rt2x00pci_probe(pci_dev, &rt2400pci_ops);
-}
-
-static struct pci_driver rt2400pci_driver = {
- .name = KBUILD_MODNAME,
- .id_table = rt2400pci_device_table,
- .probe = rt2400pci_probe,
- .remove = rt2x00pci_remove,
- .suspend = rt2x00pci_suspend,
- .resume = rt2x00pci_resume,
-};
-
-module_pci_driver(rt2400pci_driver);