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authorJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
commitcfef6047c4027a8448ec8dafeaf2bb362cc882e4 (patch)
treec254bd25aa8b4b0696b5b5cc45d8e30c7c1bb9dd /drivers/net/wireless/rt2x00/rt2800lib.c
parentb71d1d426d263b0b6cb5760322efebbfc89d4463 (diff)
parent73b48099cc265f88fa1255f3f43e52fe6a94fd5c (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/rt2x00/rt2x00queue.c drivers/net/wireless/rt2x00/rt2x00queue.h
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c135
1 files changed, 82 insertions, 53 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 6331c61957a..5cd096e2ae3 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -730,34 +730,20 @@ void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
struct data_queue *queue;
struct queue_entry *entry;
u32 reg;
- u8 pid;
- int i;
+ u8 qid;
- /*
- * TX_STA_FIFO is a stack of X entries, hence read TX_STA_FIFO
- * at most X times and also stop processing once the TX_STA_FIFO_VALID
- * flag is not set anymore.
- *
- * The legacy drivers use X=TX_RING_SIZE but state in a comment
- * that the TX_STA_FIFO stack has a size of 16. We stick to our
- * tx ring size for now.
- */
- for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
- rt2800_register_read(rt2x00dev, TX_STA_FIFO, &reg);
- if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
- break;
+ while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
- /*
- * Skip this entry when it contains an invalid
- * queue identication number.
+ /* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
+ * qid is guaranteed to be one of the TX QIDs
*/
- pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
- if (pid >= QID_RX)
- continue;
-
- queue = rt2x00queue_get_tx_queue(rt2x00dev, pid);
- if (unlikely(!queue))
+ qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
+ queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
+ if (unlikely(!queue)) {
+ WARNING(rt2x00dev, "Got TX status for an unavailable "
+ "queue %u, dropping\n", qid);
continue;
+ }
/*
* Inside each queue, we process each entry in a chronological
@@ -949,25 +935,49 @@ static void rt2800_brightness_set(struct led_classdev *led_cdev,
unsigned int ledmode =
rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
EEPROM_FREQ_LED_MODE);
+ u32 reg;
- if (led->type == LED_TYPE_RADIO) {
- rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
- enabled ? 0x20 : 0);
- } else if (led->type == LED_TYPE_ASSOC) {
- rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
- enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
- } else if (led->type == LED_TYPE_QUALITY) {
- /*
- * The brightness is divided into 6 levels (0 - 5),
- * The specs tell us the following levels:
- * 0, 1 ,3, 7, 15, 31
- * to determine the level in a simple way we can simply
- * work with bitshifting:
- * (1 << level) - 1
- */
- rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
- (1 << brightness / (LED_FULL / 6)) - 1,
- polarity);
+ /* Check for SoC (SOC devices don't support MCU requests) */
+ if (rt2x00_is_soc(led->rt2x00dev)) {
+ rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
+
+ /* Set LED Polarity */
+ rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
+
+ /* Set LED Mode */
+ if (led->type == LED_TYPE_RADIO) {
+ rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
+ enabled ? 3 : 0);
+ } else if (led->type == LED_TYPE_ASSOC) {
+ rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
+ enabled ? 3 : 0);
+ } else if (led->type == LED_TYPE_QUALITY) {
+ rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
+ enabled ? 3 : 0);
+ }
+
+ rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
+
+ } else {
+ if (led->type == LED_TYPE_RADIO) {
+ rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+ enabled ? 0x20 : 0);
+ } else if (led->type == LED_TYPE_ASSOC) {
+ rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+ enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
+ } else if (led->type == LED_TYPE_QUALITY) {
+ /*
+ * The brightness is divided into 6 levels (0 - 5),
+ * The specs tell us the following levels:
+ * 0, 1 ,3, 7, 15, 31
+ * to determine the level in a simple way we can simply
+ * work with bitshifting:
+ * (1 << level) - 1
+ */
+ rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+ (1 << brightness / (LED_FULL / 6)) - 1,
+ polarity);
+ }
}
}
@@ -1221,6 +1231,25 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+ if (conf->sync == TSF_SYNC_AP_NONE) {
+ /*
+ * Tune beacon queue transmit parameters for AP mode
+ */
+ rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
+ rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
+ } else {
+ rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
+ rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
+ rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
+ }
}
if (flags & CONFIG_UPDATE_MAC) {
@@ -1739,8 +1768,8 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
if (rf->channel <= 14) {
if (!rt2x00_rt(rt2x00dev, RT5390)) {
- if (test_bit(CONFIG_EXTERNAL_LNA_BG,
- &rt2x00dev->flags)) {
+ if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
+ &rt2x00dev->cap_flags)) {
rt2800_bbp_write(rt2x00dev, 82, 0x62);
rt2800_bbp_write(rt2x00dev, 75, 0x46);
} else {
@@ -1751,7 +1780,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
} else {
rt2800_bbp_write(rt2x00dev, 82, 0xf2);
- if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags))
+ if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
rt2800_bbp_write(rt2x00dev, 75, 0x46);
else
rt2800_bbp_write(rt2x00dev, 75, 0x50);
@@ -1984,7 +2013,7 @@ static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
if (!((band == IEEE80211_BAND_5GHZ) && is_rate_b))
return txpower;
- if (test_bit(CONFIG_SUPPORT_POWER_LIMIT, &rt2x00dev->flags)) {
+ if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
/*
* Check if eirp txpower exceed txpower_limit.
* We use OFDM 6M as criterion and its eirp txpower
@@ -2384,7 +2413,7 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
} else if (rt2800_is_305x_soc(rt2x00dev)) {
rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
- rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000001f);
+ rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
} else if (rt2x00_rt(rt2x00dev, RT5390)) {
rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
@@ -3285,8 +3314,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
- if (!test_bit(CONFIG_EXTERNAL_LNA_BG,
- &rt2x00dev->flags))
+ if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG,
+ &rt2x00dev->cap_flags))
rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
@@ -3709,15 +3738,15 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
- __set_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
+ __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
- __set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
+ __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
/*
* Detect if this device has an hardware controlled radio.
*/
if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
- __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
+ __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
/*
* Store led settings, for correct led behaviour.
@@ -3737,7 +3766,7 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
EIRP_MAX_TX_POWER_LIMIT)
- __set_bit(CONFIG_SUPPORT_POWER_LIMIT, &rt2x00dev->flags);
+ __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
return 0;
}