/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
* the access attempt is considered to have failed,
* and we will print an error.
*/
-static u32 rt2500pci_bbp_check(struct rt2x00_dev *rt2x00dev)
-{
- u32 reg;
- unsigned int i;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00pci_register_read(rt2x00dev, BBPCSR, ®);
- if (!rt2x00_get_field32(reg, BBPCSR_BUSY))
- break;
- udelay(REGISTER_BUSY_DELAY);
- }
-
- return reg;
-}
+#define WAIT_FOR_BBP(__dev, __reg) \
+ rt2x00pci_regbusy_read((__dev), BBPCSR, BBPCSR_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+ rt2x00pci_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg))
static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev,
const unsigned int word, const u8 value)
{
u32 reg;
- /*
- * Wait until the BBP becomes ready.
- */
- reg = rt2500pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
- ERROR(rt2x00dev, "BBPCSR register busy. Write failed.\n");
- return;
- }
+ mutex_lock(&rt2x00dev->csr_mutex);
/*
- * Write the data into the BBP.
+ * Wait until the BBP becomes available, afterwards we
+ * can safely write the new data into the register.
*/
- reg = 0;
- rt2x00_set_field32(®, BBPCSR_VALUE, value);
- rt2x00_set_field32(®, BBPCSR_REGNUM, word);
- rt2x00_set_field32(®, BBPCSR_BUSY, 1);
- rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 1);
+ if (WAIT_FOR_BBP(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, BBPCSR_VALUE, value);
+ rt2x00_set_field32(®, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(®, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 1);
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+ }
- rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+ mutex_unlock(&rt2x00dev->csr_mutex);
}
static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev,
{
u32 reg;
- /*
- * Wait until the BBP becomes ready.
- */
- reg = rt2500pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
- ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
- return;
- }
+ mutex_lock(&rt2x00dev->csr_mutex);
/*
- * Write the request into the BBP.
+ * 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.
*/
- reg = 0;
- rt2x00_set_field32(®, BBPCSR_REGNUM, word);
- rt2x00_set_field32(®, BBPCSR_BUSY, 1);
- rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 0);
+ if (WAIT_FOR_BBP(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, BBPCSR_REGNUM, word);
+ rt2x00_set_field32(®, BBPCSR_BUSY, 1);
+ rt2x00_set_field32(®, BBPCSR_WRITE_CONTROL, 0);
- rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
+ rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
- /*
- * Wait until the BBP becomes ready.
- */
- reg = rt2500pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, BBPCSR_BUSY)) {
- ERROR(rt2x00dev, "BBPCSR register busy. Read failed.\n");
- *value = 0xff;
- return;
+ WAIT_FOR_BBP(rt2x00dev, ®);
}
*value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+
+ mutex_unlock(&rt2x00dev->csr_mutex);
}
static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev,
const unsigned int word, const u32 value)
{
u32 reg;
- unsigned int i;
- if (!word)
- return;
+ mutex_lock(&rt2x00dev->csr_mutex);
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00pci_register_read(rt2x00dev, RFCSR, ®);
- if (!rt2x00_get_field32(reg, RFCSR_BUSY))
- goto rf_write;
- udelay(REGISTER_BUSY_DELAY);
+ /*
+ * Wait until the RF becomes available, afterwards we
+ * can safely write the new data into the register.
+ */
+ if (WAIT_FOR_RF(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, RFCSR_VALUE, value);
+ rt2x00_set_field32(®, RFCSR_NUMBER_OF_BITS, 20);
+ rt2x00_set_field32(®, RFCSR_IF_SELECT, 0);
+ rt2x00_set_field32(®, RFCSR_BUSY, 1);
+
+ rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
}
- ERROR(rt2x00dev, "RFCSR register busy. Write failed.\n");
- return;
-
-rf_write:
- reg = 0;
- rt2x00_set_field32(®, RFCSR_VALUE, value);
- rt2x00_set_field32(®, RFCSR_NUMBER_OF_BITS, 20);
- rt2x00_set_field32(®, RFCSR_IF_SELECT, 0);
- rt2x00_set_field32(®, RFCSR_BUSY, 1);
-
- rt2x00pci_register_write(rt2x00dev, RFCSR, reg);
- rt2x00_rf_write(rt2x00dev, word, value);
+ mutex_unlock(&rt2x00dev->csr_mutex);
}
static void rt2500pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
}
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-#define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
-
-static void rt2500pci_read_csr(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u32 *data)
-{
- rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
-}
-
-static void rt2500pci_write_csr(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u32 data)
-{
- rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
-}
-
static const struct rt2x00debug rt2500pci_rt2x00debug = {
.owner = THIS_MODULE,
.csr = {
- .read = rt2500pci_read_csr,
- .write = rt2500pci_write_csr,
+ .read = rt2x00pci_register_read,
+ .write = rt2x00pci_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 = rt2500pci_bbp_read,
.write = rt2500pci_bbp_write,
+ .word_base = BBP_BASE,
.word_size = sizeof(u8),
.word_count = BBP_SIZE / sizeof(u8),
},
.rf = {
.read = rt2x00_rf_read,
.write = rt2500pci_rf_write,
+ .word_base = RF_BASE,
.word_size = sizeof(u32),
.word_count = RF_SIZE / sizeof(u32),
},
};
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-#ifdef CONFIG_RT2500PCI_RFKILL
+#ifdef CONFIG_RT2X00_LIB_RFKILL
static int rt2500pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
}
#else
#define rt2500pci_rfkill_poll NULL
-#endif /* CONFIG_RT2500PCI_RFKILL */
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
-#ifdef CONFIG_RT2500PCI_LEDS
+#ifdef CONFIG_RT2X00_LIB_LEDS
static void rt2500pci_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
led->led_dev.blink_set = rt2500pci_blink_set;
led->flags = LED_INITIALIZED;
}
-#endif /* CONFIG_RT2500PCI_LEDS */
+#endif /* CONFIG_RT2X00_LIB_LEDS */
/*
* Configuration handlers.
/*
* Enable beacon config
*/
- bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+ bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®);
rt2x00_set_field32(®, BCNCSR1_PRELOAD, bcn_preload);
rt2x00_set_field32(®, BCNCSR1_BEACON_CWMIN, queue->cw_min);
rt2x00pci_register_read(rt2x00dev, ARCSR2, ®);
rt2x00_set_field32(®, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(®, ARCSR2_SERVICE, 0x04);
- rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
+ rt2x00_set_field32(®, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR3, ®);
rt2x00_set_field32(®, ARCSR3_SIGNAL, 0x01 | preamble_mask);
rt2x00_set_field32(®, ARCSR3_SERVICE, 0x04);
- rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
+ rt2x00_set_field32(®, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR4, ®);
rt2x00_set_field32(®, ARCSR4_SIGNAL, 0x02 | preamble_mask);
rt2x00_set_field32(®, ARCSR4_SERVICE, 0x04);
- rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
+ rt2x00_set_field32(®, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR5, ®);
rt2x00_set_field32(®, ARCSR5_SIGNAL, 0x03 | preamble_mask);
rt2x00_set_field32(®, ARCSR5_SERVICE, 0x84);
- rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
+ rt2x00_set_field32(®, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+
+ rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
+
+ rt2x00pci_register_read(rt2x00dev, CSR11, ®);
+ rt2x00_set_field32(®, CSR11_SLOT_TIME, erp->slot_time);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR18, ®);
+ rt2x00_set_field32(®, CSR18_SIFS, erp->sifs);
+ rt2x00_set_field32(®, CSR18_PIFS, erp->pifs);
+ rt2x00pci_register_write(rt2x00dev, CSR18, reg);
+
+ rt2x00pci_register_read(rt2x00dev, CSR19, ®);
+ rt2x00_set_field32(®, CSR19_DIFS, erp->difs);
+ rt2x00_set_field32(®, CSR19_EIFS, erp->eifs);
+ rt2x00pci_register_write(rt2x00dev, CSR19, reg);
}
-static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
- const int basic_rate_mask)
+static void rt2500pci_config_ant(struct rt2x00_dev *rt2x00dev,
+ struct antenna_setup *ant)
{
- rt2x00pci_register_write(rt2x00dev, ARCSR1, basic_rate_mask);
+ u32 reg;
+ u8 r14;
+ u8 r2;
+
+ /*
+ * 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);
+
+ rt2x00pci_register_read(rt2x00dev, BBPCSR1, ®);
+ rt2500pci_bbp_read(rt2x00dev, 14, &r14);
+ rt2500pci_bbp_read(rt2x00dev, 2, &r2);
+
+ /*
+ * Configure the TX antenna.
+ */
+ switch (ant->tx) {
+ case ANTENNA_A:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
+ rt2x00_set_field32(®, BBPCSR1_CCK, 0);
+ rt2x00_set_field32(®, BBPCSR1_OFDM, 0);
+ break;
+ case ANTENNA_B:
+ default:
+ rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
+ rt2x00_set_field32(®, BBPCSR1_CCK, 2);
+ rt2x00_set_field32(®, BBPCSR1_OFDM, 2);
+ break;
+ }
+
+ /*
+ * Configure the RX antenna.
+ */
+ switch (ant->rx) {
+ case ANTENNA_A:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
+ break;
+ case ANTENNA_B:
+ default:
+ rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
+ break;
+ }
+
+ /*
+ * RT2525E and RT5222 need to flip TX I/Q
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
+ rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
+ rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 1);
+ rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 1);
+
+ /*
+ * RT2525E does not need RX I/Q Flip.
+ */
+ if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
+ rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
+ } else {
+ rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 0);
+ rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 0);
+ }
+
+ rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
+ rt2500pci_bbp_write(rt2x00dev, 14, r14);
+ rt2500pci_bbp_write(rt2x00dev, 2, r2);
}
static void rt2500pci_config_channel(struct rt2x00_dev *rt2x00dev,
rt2500pci_rf_write(rt2x00dev, 3, rf3);
}
-static void rt2500pci_config_antenna(struct rt2x00_dev *rt2x00dev,
- struct antenna_setup *ant)
+static void rt2500pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_conf *libconf)
{
u32 reg;
- u8 r14;
- u8 r2;
-
- /*
- * 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);
- rt2x00pci_register_read(rt2x00dev, BBPCSR1, ®);
- rt2500pci_bbp_read(rt2x00dev, 14, &r14);
- rt2500pci_bbp_read(rt2x00dev, 2, &r2);
-
- /*
- * Configure the TX antenna.
- */
- switch (ant->tx) {
- case ANTENNA_A:
- rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0);
- rt2x00_set_field32(®, BBPCSR1_CCK, 0);
- rt2x00_set_field32(®, BBPCSR1_OFDM, 0);
- break;
- case ANTENNA_B:
- default:
- rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2);
- rt2x00_set_field32(®, BBPCSR1_CCK, 2);
- rt2x00_set_field32(®, BBPCSR1_OFDM, 2);
- break;
- }
-
- /*
- * Configure the RX antenna.
- */
- switch (ant->rx) {
- case ANTENNA_A:
- rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0);
- break;
- case ANTENNA_B:
- default:
- rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2);
- break;
- }
-
- /*
- * RT2525E and RT5222 need to flip TX I/Q
- */
- if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
- rt2x00_rf(&rt2x00dev->chip, RF5222)) {
- rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
- rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 1);
- rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 1);
-
- /*
- * RT2525E does not need RX I/Q Flip.
- */
- if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
- rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
- } else {
- rt2x00_set_field32(®, BBPCSR1_CCK_FLIP, 0);
- rt2x00_set_field32(®, BBPCSR1_OFDM_FLIP, 0);
- }
-
- rt2x00pci_register_write(rt2x00dev, BBPCSR1, reg);
- rt2500pci_bbp_write(rt2x00dev, 14, r14);
- rt2500pci_bbp_write(rt2x00dev, 2, r2);
+ rt2x00pci_register_read(rt2x00dev, CSR11, ®);
+ rt2x00_set_field32(®, CSR11_LONG_RETRY,
+ libconf->conf->long_frame_max_tx_count);
+ rt2x00_set_field32(®, CSR11_SHORT_RETRY,
+ libconf->conf->short_frame_max_tx_count);
+ rt2x00pci_register_write(rt2x00dev, CSR11, reg);
}
static void rt2500pci_config_duration(struct rt2x00_dev *rt2x00dev,
{
u32 reg;
- rt2x00pci_register_read(rt2x00dev, CSR11, ®);
- rt2x00_set_field32(®, CSR11_SLOT_TIME, libconf->slot_time);
- rt2x00pci_register_write(rt2x00dev, CSR11, reg);
-
- rt2x00pci_register_read(rt2x00dev, CSR18, ®);
- rt2x00_set_field32(®, CSR18_SIFS, libconf->sifs);
- rt2x00_set_field32(®, CSR18_PIFS, libconf->pifs);
- rt2x00pci_register_write(rt2x00dev, CSR18, reg);
-
- rt2x00pci_register_read(rt2x00dev, CSR19, ®);
- rt2x00_set_field32(®, CSR19_DIFS, libconf->difs);
- rt2x00_set_field32(®, CSR19_EIFS, libconf->eifs);
- rt2x00pci_register_write(rt2x00dev, CSR19, reg);
-
rt2x00pci_register_read(rt2x00dev, TXCSR1, ®);
rt2x00_set_field32(®, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
rt2x00_set_field32(®, TXCSR1_AUTORESPONDER, 1);
rt2x00pci_register_write(rt2x00dev, CSR12, reg);
}
+static void rt2500pci_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) {
+ rt2x00pci_register_read(rt2x00dev, CSR20, ®);
+ rt2x00_set_field32(®, CSR20_DELAY_AFTER_TBCN,
+ (libconf->conf->beacon_int - 20) * 16);
+ rt2x00_set_field32(®, CSR20_TBCN_BEFORE_WAKEUP,
+ libconf->conf->listen_interval - 1);
+
+ /* We must first disable autowake before it can be enabled */
+ rt2x00_set_field32(®, CSR20_AUTOWAKE, 0);
+ rt2x00pci_register_write(rt2x00dev, CSR20, reg);
+
+ rt2x00_set_field32(®, CSR20_AUTOWAKE, 1);
+ rt2x00pci_register_write(rt2x00dev, CSR20, reg);
+ }
+
+ rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+}
+
static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf,
const unsigned int flags)
{
- if (flags & CONFIG_UPDATE_PHYMODE)
- rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
- if (flags & CONFIG_UPDATE_CHANNEL)
+ if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
rt2500pci_config_channel(rt2x00dev, &libconf->rf,
libconf->conf->power_level);
- if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+ if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
+ !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
rt2500pci_config_txpower(rt2x00dev,
libconf->conf->power_level);
- if (flags & CONFIG_UPDATE_ANTENNA)
- rt2500pci_config_antenna(rt2x00dev, &libconf->ant);
- if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+ if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
+ rt2500pci_config_retry_limit(rt2x00dev, libconf);
+ if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
rt2500pci_config_duration(rt2x00dev, libconf);
+ if (flags & IEEE80211_CONF_CHANGE_PS)
+ rt2500pci_config_ps(rt2x00dev, libconf);
}
/*
qual->false_cca = rt2x00_get_field32(reg, CNT3_FALSE_CCA);
}
-static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+static inline void rt2500pci_set_vgc(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, u8 vgc_level)
{
- rt2500pci_bbp_write(rt2x00dev, 17, 0x48);
- rt2x00dev->link.vgc_level = 0x48;
+ if (qual->vgc_level_reg != vgc_level) {
+ rt2500pci_bbp_write(rt2x00dev, 17, vgc_level);
+ qual->vgc_level_reg = vgc_level;
+ }
}
-static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+static void rt2500pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual)
{
- int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
- u8 r17;
+ rt2500pci_set_vgc(rt2x00dev, qual, 0x48);
+}
+static void rt2500pci_link_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, const u32 count)
+{
/*
* To prevent collisions with MAC ASIC on chipsets
* up to version C the link tuning should halt after 20
* seconds while being associated.
*/
if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
- rt2x00dev->intf_associated &&
- rt2x00dev->link.count > 20)
+ rt2x00dev->intf_associated && count > 20)
return;
- rt2500pci_bbp_read(rt2x00dev, 17, &r17);
-
/*
* Chipset versions C and lower should directly continue
* to the dynamic CCA tuning. Chipset version D and higher
* then corrupt the R17 tuning. To remidy this the tuning should
* be stopped (While making sure the R17 value will not exceed limits)
*/
- if (rssi < -80 && rt2x00dev->link.count > 20) {
- if (r17 >= 0x41) {
- r17 = rt2x00dev->link.vgc_level;
- rt2500pci_bbp_write(rt2x00dev, 17, r17);
- }
+ if (qual->rssi < -80 && count > 20) {
+ if (qual->vgc_level_reg >= 0x41)
+ rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level);
return;
}
/*
* Special big-R17 for short distance
*/
- if (rssi >= -58) {
- if (r17 != 0x50)
- rt2500pci_bbp_write(rt2x00dev, 17, 0x50);
+ if (qual->rssi >= -58) {
+ rt2500pci_set_vgc(rt2x00dev, qual, 0x50);
return;
}
/*
* Special mid-R17 for middle distance
*/
- if (rssi >= -74) {
- if (r17 != 0x41)
- rt2500pci_bbp_write(rt2x00dev, 17, 0x41);
+ if (qual->rssi >= -74) {
+ rt2500pci_set_vgc(rt2x00dev, qual, 0x41);
return;
}
* Leave short or middle distance condition, restore r17
* to the dynamic tuning range.
*/
- if (r17 >= 0x41) {
- rt2500pci_bbp_write(rt2x00dev, 17, rt2x00dev->link.vgc_level);
+ if (qual->vgc_level_reg >= 0x41) {
+ rt2500pci_set_vgc(rt2x00dev, qual, qual->vgc_level);
return;
}
* R17 is inside the dynamic tuning range,
* start tuning the link based on the false cca counter.
*/
- if (rt2x00dev->link.qual.false_cca > 512 && r17 < 0x40) {
- rt2500pci_bbp_write(rt2x00dev, 17, ++r17);
- rt2x00dev->link.vgc_level = r17;
- } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > 0x32) {
- rt2500pci_bbp_write(rt2x00dev, 17, --r17);
- rt2x00dev->link.vgc_level = r17;
+ if (qual->false_cca > 512 && qual->vgc_level_reg < 0x40) {
+ rt2500pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level_reg);
+ qual->vgc_level = qual->vgc_level_reg;
+ } else if (qual->false_cca < 100 && qual->vgc_level_reg > 0x32) {
+ rt2500pci_set_vgc(rt2x00dev, qual, --qual->vgc_level_reg);
+ qual->vgc_level = qual->vgc_level_reg;
}
}
/*
* Initialization functions.
*/
-static void rt2500pci_init_rxentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+static bool rt2500pci_get_entry_state(struct queue_entry *entry)
{
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
- struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
u32 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);
+ if (entry->queue->qid == QID_RX) {
+ rt2x00_desc_read(entry_priv->desc, 0, &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);
+ 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 rt2500pci_init_txentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+static void rt2500pci_clear_entry(struct queue_entry *entry)
{
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
+ struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
u32 word;
- 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);
+ if (entry->queue->qid == QID_RX) {
+ 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 rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev)
static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
- u32 reg;
-
- rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
-
/*
- * Disable synchronisation.
+ * Disable power
*/
- rt2x00pci_register_write(rt2x00dev, CSR14, 0);
-
- /*
- * Cancel RX and TX.
- */
- rt2x00pci_register_read(rt2x00dev, TXCSR0, ®);
- rt2x00_set_field32(®, TXCSR0_ABORT, 1);
- rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+ rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
}
static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
- test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
+ (txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1);
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
}
+static void rt2500pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
+ const enum data_queue_qid qid)
+{
+ u32 reg;
+
+ if (qid == QID_BEACON) {
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+ } else {
+ rt2x00pci_register_read(rt2x00dev, TXCSR0, ®);
+ rt2x00_set_field32(®, TXCSR0_ABORT, 1);
+ rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+ }
+}
+
/*
* RX control handlers
*/
*/
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));
+ EEPROM(rt2x00dev, "MAC: %pM\n", mac);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
*/
value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
rt2x00pci_register_read(rt2x00dev, CSR0, ®);
- rt2x00_set_chip(rt2x00dev, RT2560, value, reg);
+ rt2x00_set_chip_rf(rt2x00dev, value, reg);
if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
!rt2x00_rf(&rt2x00dev->chip, RF2523) &&
/*
* Store led mode, for correct led behaviour.
*/
-#ifdef CONFIG_RT2500PCI_LEDS
+#ifdef CONFIG_RT2X00_LIB_LEDS
value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
- if (value == LED_MODE_TXRX_ACTIVITY)
+ if (value == LED_MODE_TXRX_ACTIVITY ||
+ value == LED_MODE_DEFAULT ||
+ value == LED_MODE_ASUS)
rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_qual,
LED_TYPE_ACTIVITY);
-#endif /* CONFIG_RT2500PCI_LEDS */
+#endif /* CONFIG_RT2X00_LIB_LEDS */
/*
* Detect if this device has an hardware controlled radio.
*/
-#ifdef CONFIG_RT2500PCI_RFKILL
+#ifdef CONFIG_RT2X00_LIB_RFKILL
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
-#endif /* CONFIG_RT2500PCI_RFKILL */
+#endif /* CONFIG_RT2X00_LIB_RFKILL */
/*
* Check if the BBP tuning should be enabled.
* Initialize all hw fields.
*/
rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM;
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK;
rt2x00dev->hw->extra_tx_headroom = 0;
/*
* IEEE80211 stack callback functions.
*/
-static int rt2500pci_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, CSR11, ®);
- rt2x00_set_field32(®, CSR11_LONG_RETRY, long_retry);
- rt2x00_set_field32(®, CSR11_SHORT_RETRY, short_retry);
- rt2x00pci_register_write(rt2x00dev, CSR11, reg);
-
- return 0;
-}
-
static u64 rt2500pci_get_tsf(struct ieee80211_hw *hw)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
.add_interface = rt2x00mac_add_interface,
.remove_interface = rt2x00mac_remove_interface,
.config = rt2x00mac_config,
- .config_interface = rt2x00mac_config_interface,
.configure_filter = rt2x00mac_configure_filter,
.get_stats = rt2x00mac_get_stats,
- .set_retry_limit = rt2500pci_set_retry_limit,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.probe_hw = rt2500pci_probe_hw,
.initialize = rt2x00pci_initialize,
.uninitialize = rt2x00pci_uninitialize,
- .init_rxentry = rt2500pci_init_rxentry,
- .init_txentry = rt2500pci_init_txentry,
+ .get_entry_state = rt2500pci_get_entry_state,
+ .clear_entry = rt2500pci_clear_entry,
.set_device_state = rt2500pci_set_device_state,
.rfkill_poll = rt2500pci_rfkill_poll,
.link_stats = rt2500pci_link_stats,
.write_tx_data = rt2x00pci_write_tx_data,
.write_beacon = rt2500pci_write_beacon,
.kick_tx_queue = rt2500pci_kick_tx_queue,
+ .kill_tx_queue = rt2500pci_kill_tx_queue,
.fill_rxdone = rt2500pci_fill_rxdone,
.config_filter = rt2500pci_config_filter,
.config_intf = rt2500pci_config_intf,
.config_erp = rt2500pci_config_erp,
+ .config_ant = rt2500pci_config_ant,
.config = rt2500pci_config,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff