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-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800.h19
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800lib.c628
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800lib.h3
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800mmio.c124
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800mmio.h1
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800pci.c2
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800soc.c13
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800usb.c28
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00.h7
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00dev.c6
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h2
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00queue.c3
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00queue.h3
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00usb.c22
14 files changed, 756 insertions, 105 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h b/drivers/net/wireless/ralink/rt2x00/rt2800.h
index b05ed2f3025a..06c38bafd2ca 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
@@ -48,7 +48,8 @@
* RF2853 2.4G/5G 3T3R
* RF3320 2.4G 1T1R(RT3350/RT3370/RT3390)
* RF3322 2.4G 2T2R(RT3352/RT3371/RT3372/RT3391/RT3392)
- * RF3053 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662)
+ * RF3053 2.4G/5G 3T3R(RT3563/RT3573/RT3593)
+ * RF3853 2.4G/5G 3T3R(RT3883/RT3662)
* RF5592 2.4G/5G 2T2R
* RF3070 2.4G 1T1R
* RF5360 2.4G 1T1R
@@ -72,6 +73,7 @@
#define RF5592 0x000f
#define RF3070 0x3070
#define RF3290 0x3290
+#define RF3853 0x3853
#define RF5350 0x5350
#define RF5360 0x5360
#define RF5362 0x5362
@@ -1726,6 +1728,20 @@
#define TX_PWR_CFG_9B_STBC_MCS7 FIELD32(0x000000ff)
/*
+ * TX_TXBF_CFG:
+ */
+#define TX_TXBF_CFG_0 0x138c
+#define TX_TXBF_CFG_1 0x13a4
+#define TX_TXBF_CFG_2 0x13a8
+#define TX_TXBF_CFG_3 0x13ac
+
+/*
+ * TX_FBK_CFG_3S:
+ */
+#define TX_FBK_CFG_3S_0 0x13c4
+#define TX_FBK_CFG_3S_1 0x13c8
+
+/*
* RX_FILTER_CFG: RX configuration register.
*/
#define RX_FILTER_CFG 0x1400
@@ -2296,6 +2312,7 @@ struct mac_iveiv_entry {
/*
* RFCSR 2:
*/
+#define RFCSR2_RESCAL_BP FIELD8(0x40)
#define RFCSR2_RESCAL_EN FIELD8(0x80)
#define RFCSR2_RX2_EN_MT7620 FIELD8(0x02)
#define RFCSR2_TX2_EN_MT7620 FIELD8(0x20)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index a03b5284a050..c8f2bf1243fd 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -381,7 +381,8 @@ static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
wiphy_name(rt2x00dev->hw->wiphy), word))
return 0;
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
map = rt2800_eeprom_map_ext;
else
map = rt2800_eeprom_map;
@@ -590,6 +591,7 @@ void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
{
switch (rt2x00dev->chip.rt) {
case RT3593:
+ case RT3883:
*txwi_size = TXWI_DESC_SIZE_4WORDS;
*rxwi_size = RXWI_DESC_SIZE_5WORDS;
break;
@@ -1100,7 +1102,7 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
}
EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota)
{
struct data_queue *queue;
struct queue_entry *entry;
@@ -1108,7 +1110,7 @@ void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
u8 qid;
bool match;
- while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
+ while (quota-- > 0 && kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
/*
* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
* guaranteed to be one of the TX QIDs .
@@ -1164,15 +1166,6 @@ bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
struct data_queue *queue;
struct queue_entry *entry;
- if (!test_bit(DEVICE_STATE_FLUSHING, &rt2x00dev->flags)) {
- unsigned long tout = msecs_to_jiffies(1000);
-
- if (time_before(jiffies, rt2x00dev->last_nostatus_check + tout))
- return false;
- }
-
- rt2x00dev->last_nostatus_check = jiffies;
-
tx_queue_for_each(rt2x00dev, queue) {
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
if (rt2800_entry_txstatus_timeout(rt2x00dev, entry))
@@ -1183,6 +1176,23 @@ bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
}
EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
+/*
+ * test if there is an entry in any TX queue for which DMA is done
+ * but the TX status has not been returned yet
+ */
+bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_queue *queue;
+
+ tx_queue_for_each(rt2x00dev, queue) {
+ if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
+ rt2x00queue_get_entry(queue, Q_INDEX_DONE))
+ return true;
+ }
+ return false;
+}
+EXPORT_SYMBOL_GPL(rt2800_txstatus_pending);
+
void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
@@ -2172,7 +2182,8 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
rt2800_bbp_write(rt2x00dev, 3, r3);
rt2800_bbp_write(rt2x00dev, 1, r1);
- if (rt2x00_rt(rt2x00dev, RT3593)) {
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883)) {
if (ant->rx_chain_num == 1)
rt2800_bbp_write(rt2x00dev, 86, 0x00);
else
@@ -2194,7 +2205,8 @@ static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
} else if (libconf->rf.channel <= 128) {
- if (rt2x00_rt(rt2x00dev, RT3593)) {
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883)) {
eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
lna_gain = rt2x00_get_field16(eeprom,
EEPROM_EXT_LNA2_A1);
@@ -2204,7 +2216,8 @@ static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
EEPROM_RSSI_BG2_LNA_A1);
}
} else {
- if (rt2x00_rt(rt2x00dev, RT3593)) {
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883)) {
eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
lna_gain = rt2x00_get_field16(eeprom,
EEPROM_EXT_LNA2_A2);
@@ -2872,6 +2885,211 @@ static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
}
}
+static void rt2800_config_channel_rf3853(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_conf *conf,
+ struct rf_channel *rf,
+ struct channel_info *info)
+{
+ u8 rfcsr;
+ u8 bbp;
+ u8 pwr1, pwr2, pwr3;
+
+ const bool txbf_enabled = false; /* TODO */
+
+ /* TODO: add band selection */
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+ else if (rf->channel < 132)
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x80);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+
+ rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
+ rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x46);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
+
+ rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
+
+ switch (rt2x00dev->default_ant.tx_chain_num) {
+ case 3:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+ /* fallthrough */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+ /* fallthrough */
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
+ break;
+ }
+
+ switch (rt2x00dev->default_ant.rx_chain_num) {
+ case 3:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+ /* fallthrough */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+ /* fallthrough */
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
+ break;
+ }
+ rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+ rt2800_freq_cal_mode1(rt2x00dev);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
+ if (!conf_is_ht40(conf))
+ rfcsr &= ~(0x06);
+ else
+ rfcsr |= 0x06;
+ rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 31, 0xa0);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+
+ if (conf_is_ht40(conf))
+ rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+
+ /* loopback RF_BS */
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 36);
+ if (rf->channel <= 14)
+ rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
+ else
+ rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
+ rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
+
+ if (rf->channel <= 14)
+ rfcsr = 0x23;
+ else if (rf->channel < 100)
+ rfcsr = 0x36;
+ else if (rf->channel < 132)
+ rfcsr = 0x32;
+ else
+ rfcsr = 0x30;
+
+ if (txbf_enabled)
+ rfcsr |= 0x40;
+
+ rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
+
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
+
+ if (rf->channel <= 14)
+ rfcsr = 0xbb;
+ else if (rf->channel < 100)
+ rfcsr = 0xeb;
+ else if (rf->channel < 132)
+ rfcsr = 0xb3;
+ else
+ rfcsr = 0x9b;
+ rt2800_rfcsr_write(rt2x00dev, 45, rfcsr);
+
+ if (rf->channel <= 14)
+ rfcsr = 0x8e;
+ else
+ rfcsr = 0x8a;
+
+ if (txbf_enabled)
+ rfcsr |= 0x20;
+
+ rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
+
+ rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 52);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+
+ if (rf->channel <= 14) {
+ pwr1 = info->default_power1 & 0x1f;
+ pwr2 = info->default_power2 & 0x1f;
+ pwr3 = info->default_power3 & 0x1f;
+ } else {
+ pwr1 = 0x48 | ((info->default_power1 & 0x18) << 1) |
+ (info->default_power1 & 0x7);
+ pwr2 = 0x48 | ((info->default_power2 & 0x18) << 1) |
+ (info->default_power2 & 0x7);
+ pwr3 = 0x48 | ((info->default_power3 & 0x18) << 1) |
+ (info->default_power3 & 0x7);
+ }
+
+ rt2800_rfcsr_write(rt2x00dev, 53, pwr1);
+ rt2800_rfcsr_write(rt2x00dev, 54, pwr2);
+ rt2800_rfcsr_write(rt2x00dev, 55, pwr3);
+
+ rt2x00_dbg(rt2x00dev, "Channel:%d, pwr1:%02x, pwr2:%02x, pwr3:%02x\n",
+ rf->channel, pwr1, pwr2, pwr3);
+
+ bbp = (info->default_power1 >> 5) |
+ ((info->default_power2 & 0xe0) >> 1);
+ rt2800_bbp_write(rt2x00dev, 109, bbp);
+
+ bbp = rt2800_bbp_read(rt2x00dev, 110);
+ bbp &= 0x0f;
+ bbp |= (info->default_power3 & 0xe0) >> 1;
+ rt2800_bbp_write(rt2x00dev, 110, bbp);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 57);
+ if (rf->channel <= 14)
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
+ else
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+
+ /* Enable RF tuning */
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
+ rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
+
+ udelay(2000);
+
+ bbp = rt2800_bbp_read(rt2x00dev, 49);
+ /* clear update flag */
+ rt2800_bbp_write(rt2x00dev, 49, bbp & 0xfe);
+ rt2800_bbp_write(rt2x00dev, 49, bbp);
+
+ /* TODO: add calibration for TxBF */
+}
+
#define POWER_BOUND 0x27
#define POWER_BOUND_5G 0x2b
@@ -3675,19 +3893,51 @@ static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
unsigned int channel,
char txpower)
{
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
if (channel <= 14)
return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
MAX_A_TXPOWER_3593);
else
return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
}
+static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev,
+ struct rf_channel *rf)
+{
+ u8 bbp;
+
+ bbp = (rf->channel > 14) ? 0x48 : 0x38;
+ rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp);
+
+ rt2800_bbp_write(rt2x00dev, 69, 0x12);
+
+ if (rf->channel <= 14) {
+ rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+ } else {
+ /* Disable CCK packet detection */
+ rt2800_bbp_write(rt2x00dev, 70, 0x00);
+ }
+
+ rt2800_bbp_write(rt2x00dev, 73, 0x10);
+
+ if (rf->channel > 14) {
+ rt2800_bbp_write(rt2x00dev, 62, 0x1d);
+ rt2800_bbp_write(rt2x00dev, 63, 0x1d);
+ rt2800_bbp_write(rt2x00dev, 64, 0x1d);
+ } else {
+ rt2800_bbp_write(rt2x00dev, 62, 0x2d);
+ rt2800_bbp_write(rt2x00dev, 63, 0x2d);
+ rt2800_bbp_write(rt2x00dev, 64, 0x2d);
+ }
+}
+
static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
struct ieee80211_conf *conf,
struct rf_channel *rf,
@@ -3706,6 +3956,12 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
rt2800_txpower_to_dev(rt2x00dev, rf->channel,
info->default_power3);
+ switch (rt2x00dev->chip.rt) {
+ case RT3883:
+ rt3883_bbp_adjust(rt2x00dev, rf);
+ break;
+ }
+
switch (rt2x00dev->chip.rf) {
case RF2020:
case RF3020:
@@ -3726,6 +3982,9 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
case RF3322:
rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
break;
+ case RF3853:
+ rt2800_config_channel_rf3853(rt2x00dev, conf, rf, info);
+ break;
case RF3070:
case RF5350:
case RF5360:
@@ -3807,6 +4066,15 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 77, 0x98);
+ } else if (rt2x00_rt(rt2x00dev, RT3883)) {
+ rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+ rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+ rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+
+ if (rt2x00dev->default_ant.rx_chain_num > 1)
+ rt2800_bbp_write(rt2x00dev, 86, 0x46);
+ else
+ rt2800_bbp_write(rt2x00dev, 86, 0);
} else {
rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
@@ -3820,6 +4088,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
!rt2x00_rt(rt2x00dev, RT6352)) {
if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
rt2800_bbp_write(rt2x00dev, 82, 0x62);
+ rt2800_bbp_write(rt2x00dev, 82, 0x62);
rt2800_bbp_write(rt2x00dev, 75, 0x46);
} else {
if (rt2x00_rt(rt2x00dev, RT3593))
@@ -3828,19 +4097,22 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
rt2800_bbp_write(rt2x00dev, 82, 0x84);
rt2800_bbp_write(rt2x00dev, 75, 0x50);
}
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
rt2800_bbp_write(rt2x00dev, 83, 0x8a);
}
} else {
if (rt2x00_rt(rt2x00dev, RT3572))
rt2800_bbp_write(rt2x00dev, 82, 0x94);
- else if (rt2x00_rt(rt2x00dev, RT3593))
+ else if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
rt2800_bbp_write(rt2x00dev, 82, 0x82);
else if (!rt2x00_rt(rt2x00dev, RT6352))
rt2800_bbp_write(rt2x00dev, 82, 0xf2);
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
rt2800_bbp_write(rt2x00dev, 83, 0x9a);
if (rt2x00_has_cap_external_lna_a(rt2x00dev))
@@ -3976,6 +4248,23 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
usleep_range(1000, 1500);
}
+ if (rt2x00_rt(rt2x00dev, RT3883)) {
+ if (!conf_is_ht40(conf))
+ rt2800_bbp_write(rt2x00dev, 105, 0x34);
+ else
+ rt2800_bbp_write(rt2x00dev, 105, 0x04);
+
+ /* AGC init */
+ if (rf->channel <= 14)
+ reg = 0x2e + rt2x00dev->lna_gain;
+ else
+ reg = 0x20 + ((rt2x00dev->lna_gain * 5) / 3);
+
+ rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
+
+ usleep_range(1000, 1500);
+ }
+
if (rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) {
reg = 0x10;
if (!conf_is_ht40(conf)) {
@@ -4235,6 +4524,9 @@ static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
if (rt2x00_rt(rt2x00dev, RT3593))
return min_t(u8, txpower, 0xc);
+ if (rt2x00_rt(rt2x00dev, RT3883))
+ return min_t(u8, txpower, 0xf);
+
if (rt2x00_has_cap_power_limit(rt2x00dev)) {
/*
* Check if eirp txpower exceed txpower_limit.
@@ -4996,7 +5288,8 @@ static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
struct ieee80211_channel *chan,
int power_level)
{
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
else if (rt2x00_rt(rt2x00dev, RT6352))
rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level);
@@ -5043,6 +5336,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
case RF3053:
case RF3070:
case RF3290:
+ case RF3853:
case RF5350:
case RF5360:
case RF5362:
@@ -5243,7 +5537,8 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
else
vgc = 0x2e + rt2x00dev->lna_gain;
} else { /* 5GHZ band */
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
else if (rt2x00_rt(rt2x00dev, RT5592))
vgc = 0x24 + (2 * rt2x00dev->lna_gain);
@@ -5263,7 +5558,8 @@ static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
{
if (qual->vgc_level != vgc_level) {
if (rt2x00_rt(rt2x00dev, RT3572) ||
- rt2x00_rt(rt2x00dev, RT3593)) {
+ rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883)) {
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
vgc_level);
} else if (rt2x00_rt(rt2x00dev, RT5592)) {
@@ -5310,6 +5606,11 @@ void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
}
break;
+ case RT3883:
+ if (qual->rssi > -65)
+ vgc += 0x10;
+ break;
+
case RT5592:
if (qual->rssi > -65)
vgc += 0x20;
@@ -5462,6 +5763,12 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, TX_SW_CFG2,
0x00000000);
}
+ } else if (rt2x00_rt(rt2x00dev, RT3883)) {
+ rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
+ rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+ rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00040000);
+ rt2800_register_write(rt2x00dev, TX_TXBF_CFG_0, 0x8000fc21);
+ rt2800_register_write(rt2x00dev, TX_TXBF_CFG_3, 0x00009c40);
} else if (rt2x00_rt(rt2x00dev, RT5390) ||
rt2x00_rt(rt2x00dev, RT5392) ||
rt2x00_rt(rt2x00dev, RT6352)) {
@@ -5675,6 +5982,11 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
+ if (rt2x00_rt(rt2x00dev, RT3883)) {
+ rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_0, 0x12111008);
+ rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_1, 0x16151413);
+ }
+
reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7);
rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
@@ -6291,6 +6603,47 @@ static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
rt2800_bbp_write(rt2x00dev, 103, 0xc0);
}
+static void rt2800_init_bbp_3883(struct rt2x00_dev *rt2x00dev)
+{
+ rt2800_init_bbp_early(rt2x00dev);
+
+ rt2800_bbp_write(rt2x00dev, 4, 0x50);
+ rt2800_bbp_write(rt2x00dev, 47, 0x48);
+
+ rt2800_bbp_write(rt2x00dev, 86, 0x46);
+ rt2800_bbp_write(rt2x00dev, 88, 0x90);
+
+ rt2800_bbp_write(rt2x00dev, 92, 0x02);
+
+ rt2800_bbp_write(rt2x00dev, 103, 0xc0);
+ rt2800_bbp_write(rt2x00dev, 104, 0x92);
+ rt2800_bbp_write(rt2x00dev, 105, 0x34);
+ rt2800_bbp_write(rt2x00dev, 106, 0x12);
+ rt2800_bbp_write(rt2x00dev, 120, 0x50);
+ rt2800_bbp_write(rt2x00dev, 137, 0x0f);
+ rt2800_bbp_write(rt2x00dev, 163, 0x9d);
+
+ /* Set ITxBF timeout to 0x9C40=1000msec */
+ rt2800_bbp_write(rt2x00dev, 179, 0x02);
+ rt2800_bbp_write(rt2x00dev, 180, 0x00);
+ rt2800_bbp_write(rt2x00dev, 182, 0x40);
+ rt2800_bbp_write(rt2x00dev, 180, 0x01);
+ rt2800_bbp_write(rt2x00dev, 182, 0x9c);
+
+ rt2800_bbp_write(rt2x00dev, 179, 0x00);
+
+ /* Reprogram the inband interface to put right values in RXWI */
+ rt2800_bbp_write(rt2x00dev, 142, 0x04);
+ rt2800_bbp_write(rt2x00dev, 143, 0x3b);
+ rt2800_bbp_write(rt2x00dev, 142, 0x06);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa0);
+ rt2800_bbp_write(rt2x00dev, 142, 0x07);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa1);
+ rt2800_bbp_write(rt2x00dev, 142, 0x08);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa2);
+ rt2800_bbp_write(rt2x00dev, 148, 0xc8);
+}
+
static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
{
int ant, div_mode;
@@ -6735,6 +7088,9 @@ static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
case RT3593:
rt2800_init_bbp_3593(rt2x00dev);
return;
+ case RT3883:
+ rt2800_init_bbp_3883(rt2x00dev);
+ return;
case RT5390:
case RT5392:
rt2800_init_bbp_53xx(rt2x00dev);
@@ -7606,6 +7962,144 @@ static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
}
+static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev)
+{
+ u8 rfcsr;
+
+ /* TODO: get the actual ECO value from the SoC */
+ const unsigned int eco = 5;
+
+ rt2800_rf_init_calibration(rt2x00dev, 2);
+
+ rt2800_rfcsr_write(rt2x00dev, 0, 0xe0);
+ rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
+ rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
+ rt2800_rfcsr_write(rt2x00dev, 3, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+ rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 8, 0x5b);
+ rt2800_rfcsr_write(rt2x00dev, 9, 0x08);
+ rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
+ rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+ rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+ rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+ rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
+
+ /* RFCSR 17 will be initialized later based on the
+ * frequency offset stored in the EEPROM
+ */
+
+ rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
+ rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 23, 0xc0);
+ rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
+ rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+ rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+ rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+ rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
+ rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
+ rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 41, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 42, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+ rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
+ rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
+ rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
+ rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+ rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+ rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+ rt2800_rfcsr_write(rt2x00dev, 53, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 54, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 55, 0x76);
+ rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
+ rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+ rt2800_rfcsr_write(rt2x00dev, 58, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
+
+ /* TODO: rx filter calibration? */
+
+ rt2800_bbp_write(rt2x00dev, 137, 0x0f);
+
+ rt2800_bbp_write(rt2x00dev, 163, 0x9d);
+
+ rt2800_bbp_write(rt2x00dev, 105, 0x05);
+
+ rt2800_bbp_write(rt2x00dev, 179, 0x02);
+ rt2800_bbp_write(rt2x00dev, 180, 0x00);
+ rt2800_bbp_write(rt2x00dev, 182, 0x40);
+ rt2800_bbp_write(rt2x00dev, 180, 0x01);
+ rt2800_bbp_write(rt2x00dev, 182, 0x9c);
+
+ rt2800_bbp_write(rt2x00dev, 179, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 142, 0x04);
+ rt2800_bbp_write(rt2x00dev, 143, 0x3b);
+ rt2800_bbp_write(rt2x00dev, 142, 0x06);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa0);
+ rt2800_bbp_write(rt2x00dev, 142, 0x07);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa1);
+ rt2800_bbp_write(rt2x00dev, 142, 0x08);
+ rt2800_bbp_write(rt2x00dev, 143, 0xa2);
+ rt2800_bbp_write(rt2x00dev, 148, 0xc8);
+
+ if (eco == 5) {
+ rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+ rt2800_rfcsr_write(rt2x00dev, 33, 0x32);
+ }
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+ msleep(1);
+ rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
+ rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+ rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
+ rfcsr |= 0xc0;
+ rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
+ rfcsr |= 0x20;
+ rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 46);
+ rfcsr |= 0x20;
+ rt2800_rfcsr_write(rt2x00dev, 46, rfcsr);
+
+ rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
+ rfcsr &= ~0xee;
+ rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+}
+
static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
{
rt2800_rf_init_calibration(rt2x00dev, 2);
@@ -8448,6 +8942,9 @@ static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
case RT3390:
rt2800_init_rfcsr_3390(rt2x00dev);
break;
+ case RT3883:
+ rt2800_init_rfcsr_3883(rt2x00dev);
+ break;
case RT3572:
rt2800_init_rfcsr_3572(rt2x00dev);
break;
@@ -8653,7 +9150,8 @@ static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
{
u16 word;
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
return 0;
word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG);
@@ -8667,7 +9165,8 @@ static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
{
u16 word;
- if (rt2x00_rt(rt2x00dev, RT3593))
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883))
return 0;
word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A);
@@ -8773,7 +9272,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
- if (!rt2x00_rt(rt2x00dev, RT3593)) {
+ if (!rt2x00_rt(rt2x00dev, RT3593) &&
+ !rt2x00_rt(rt2x00dev, RT3883)) {
if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
@@ -8793,7 +9293,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
- if (!rt2x00_rt(rt2x00dev, RT3593)) {
+ if (!rt2x00_rt(rt2x00dev, RT3593) &&
+ !rt2x00_rt(rt2x00dev, RT3883)) {
if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
@@ -8801,7 +9302,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
}
rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
- if (rt2x00_rt(rt2x00dev, RT3593)) {
+ if (rt2x00_rt(rt2x00dev, RT3593) ||
+ rt2x00_rt(rt2x00dev, RT3883)) {
word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
@@ -8840,6 +9342,8 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID);
else if (rt2x00_rt(rt2x00dev, RT3352))
rf = RF3322;
+ else if (rt2x00_rt(rt2x00dev, RT3883))
+ rf = RF3853;
else if (rt2x00_rt(rt2x00dev, RT5350))
rf = RF5350;
else
@@ -8860,6 +9364,7 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
case RF3290:
case RF3320:
case RF3322:
+ case RF3853:
case RF5350:
case RF5360:
case RF5362:
@@ -9146,6 +9651,66 @@ static const struct rf_channel rf_vals_3x_xtal20[] = {
{14, 0xF0, 2, 0x18},
};
+static const struct rf_channel rf_vals_3853[] = {
+ {1, 241, 6, 2},
+ {2, 241, 6, 7},
+ {3, 242, 6, 2},
+ {4, 242, 6, 7},
+ {5, 243, 6, 2},
+ {6, 243, 6, 7},
+ {7, 244, 6, 2},
+ {8, 244, 6, 7},
+ {9, 245, 6, 2},
+ {10, 245, 6, 7},
+ {11, 246, 6, 2},
+ {12, 246, 6, 7},
+ {13, 247, 6, 2},
+ {14, 248, 6, 4},
+
+ {36, 0x56, 8, 4},
+ {38, 0x56, 8, 6},
+ {40, 0x56, 8, 8},
+ {44, 0x57, 8, 0},
+ {46, 0x57, 8, 2},
+ {48, 0x57, 8, 4},
+ {52, 0x57, 8, 8},
+ {54, 0x57, 8, 10},
+ {56, 0x58, 8, 0},
+ {60, 0x58, 8, 4},
+ {62, 0x58, 8, 6},
+ {64, 0x58, 8, 8},
+
+ {100, 0x5b, 8, 8},
+ {102, 0x5b, 8, 10},
+ {104, 0x5c, 8, 0},
+ {108, 0x5c, 8, 4},
+ {110, 0x5c, 8, 6},
+ {112, 0x5c, 8, 8},
+ {114, 0x5c, 8, 10},
+ {116, 0x5d, 8, 0},
+ {118, 0x5d, 8, 2},
+ {120, 0x5d, 8, 4},
+ {124, 0x5d, 8, 8},
+ {126, 0x5d, 8, 10},
+ {128, 0x5e, 8, 0},
+ {132, 0x5e, 8, 4},
+ {134, 0x5e, 8, 6},
+ {136, 0x5e, 8, 8},
+ {140, 0x5f, 8, 0},
+
+ {149, 0x5f, 8, 9},
+ {151, 0x5f, 8, 11},
+ {153, 0x60, 8, 1},
+ {157, 0x60, 8, 5},
+ {159, 0x60, 8, 7},
+ {161, 0x60, 8, 9},
+ {165, 0x61, 8, 1},
+ {167, 0x61, 8, 3},
+ {169, 0x61, 8, 5},
+ {171, 0x61, 8, 7},
+ {173, 0x61, 8, 9},
+};
+
static const struct rf_channel rf_vals_5592_xtal20[] = {
/* Channel, N, K, mod, R */
{1, 482, 4, 10, 3},
@@ -9409,6 +9974,11 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
spec->channels = rf_vals_3x;
break;
+ case RF3853:
+ spec->num_channels = ARRAY_SIZE(rf_vals_3853);
+ spec->channels = rf_vals_3853;
+ break;
+
case RF5592:
reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX);
if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
@@ -9528,6 +10098,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
case RF3053:
case RF3070:
case RF3290:
+ case RF3853:
case RF5350:
case RF5360:
case RF5362:
@@ -9570,6 +10141,7 @@ static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
case RT3390:
case RT3572:
case RT3593:
+ case RT3883:
case RT5350:
case RT5390:
case RT5392:
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
index 0dff2c7b3010..759eab2b70c3 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
@@ -195,9 +195,10 @@ void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *tx
void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
bool match);
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev);
+void rt2800_txdone(struct rt2x00_dev *rt2x00dev, unsigned int quota);
void rt2800_txdone_nostatus(struct rt2x00_dev *rt2x00dev);
bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev);
+bool rt2800_txstatus_pending(struct rt2x00_dev *rt2x00dev);
void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
void rt2800_clear_beacon(struct queue_entry *entry);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
index ddb88cfeace2..ecc4c9332ec7 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
@@ -255,26 +255,12 @@ void rt2800mmio_autowake_tasklet(unsigned long data)
}
EXPORT_SYMBOL_GPL(rt2800mmio_autowake_tasklet);
-static void rt2800mmio_txdone(struct rt2x00_dev *rt2x00dev)
-{
- bool timeout = false;
-
- while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
- (timeout = rt2800_txstatus_timeout(rt2x00dev))) {
-
- rt2800_txdone(rt2x00dev);
-
- if (timeout)
- rt2800_txdone_nostatus(rt2x00dev);
- }
-}
-
-static bool rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
+static void rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
{
u32 status;
- bool more = false;
+ unsigned long flags;
- /* FIXEME: rewrite this comment
+ /*
* The TX_FIFO_STATUS interrupt needs special care. We should
* read TX_STA_FIFO but we should do it immediately as otherwise
* the register can overflow and we would lose status reports.
@@ -285,34 +271,32 @@ static bool rt2800mmio_fetch_txstatus(struct rt2x00_dev *rt2x00dev)
* because we can schedule the tasklet multiple times (when the
* interrupt fires again during tx status processing).
*
- * txstatus tasklet is called with INT_SOURCE_CSR_TX_FIFO_STATUS
- * disabled so have only one producer and one consumer - we don't
- * need to lock the kfifo.
+ * We also read statuses from tx status timeout timer, use
+ * lock to prevent concurent writes to fifo.
*/
+
+ spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
+
while (!kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
status = rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO);
if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
break;
kfifo_put(&rt2x00dev->txstatus_fifo, status);
- more = true;
}
- return more;
+ spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
}
void rt2800mmio_txstatus_tasklet(unsigned long data)
{
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
- do {
- rt2800mmio_txdone(rt2x00dev);
+ rt2800_txdone(rt2x00dev, 16);
- } while (rt2800mmio_fetch_txstatus(rt2x00dev));
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- rt2800mmio_enable_interrupt(rt2x00dev,
- INT_SOURCE_CSR_TX_FIFO_STATUS);
}
EXPORT_SYMBOL_GPL(rt2800mmio_txstatus_tasklet);
@@ -339,8 +323,10 @@ irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance)
mask = ~reg;
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
+ rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
rt2800mmio_fetch_txstatus(rt2x00dev);
- tasklet_schedule(&rt2x00dev->txstatus_tasklet);
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
}
if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
@@ -440,6 +426,9 @@ void rt2800mmio_start_queue(struct data_queue *queue)
}
EXPORT_SYMBOL_GPL(rt2800mmio_start_queue);
+/* 200 ms */
+#define TXSTATUS_TIMEOUT 200000000
+
void rt2800mmio_kick_queue(struct data_queue *queue)
{
struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
@@ -454,6 +443,8 @@ void rt2800mmio_kick_queue(struct data_queue *queue)
entry = rt2x00queue_get_entry(queue, Q_INDEX);
rt2x00mmio_register_write(rt2x00dev, TX_CTX_IDX(queue->qid),
entry->entry_idx);
+ hrtimer_start(&rt2x00dev->txstatus_timer,
+ TXSTATUS_TIMEOUT, HRTIMER_MODE_REL);
break;
case QID_MGMT:
entry = rt2x00queue_get_entry(queue, Q_INDEX);
@@ -498,11 +489,8 @@ void rt2800mmio_flush_queue(struct data_queue *queue, bool drop)
* For TX queues schedule completion tasklet to catch
* tx status timeouts, othewise just wait.
*/
- if (tx_queue) {
- tasklet_disable(&rt2x00dev->txstatus_tasklet);
- rt2800mmio_txdone(rt2x00dev);
- tasklet_enable(&rt2x00dev->txstatus_tasklet);
- }
+ if (tx_queue)
+ queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
/*
* Wait for a little while to give the driver
@@ -640,6 +628,10 @@ void rt2800mmio_clear_entry(struct queue_entry *entry)
word = rt2x00_desc_read(entry_priv->desc, 1);
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 1);
rt2x00_desc_write(entry_priv->desc, 1, word);
+
+ /* If last entry stop txstatus timer */
+ if (entry->queue->length == 1)
+ hrtimer_cancel(&rt2x00dev->txstatus_timer);
}
}
EXPORT_SYMBOL_GPL(rt2800mmio_clear_entry);
@@ -772,6 +764,70 @@ int rt2800mmio_enable_radio(struct rt2x00_dev *rt2x00dev)
}
EXPORT_SYMBOL_GPL(rt2800mmio_enable_radio);
+static void rt2800mmio_work_txdone(struct work_struct *work)
+{
+ struct rt2x00_dev *rt2x00dev =
+ container_of(work, struct rt2x00_dev, txdone_work);
+
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+ return;
+
+ while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
+ rt2800_txstatus_timeout(rt2x00dev)) {
+
+ tasklet_disable(&rt2x00dev->txstatus_tasklet);
+ rt2800_txdone(rt2x00dev, UINT_MAX);
+ rt2800_txdone_nostatus(rt2x00dev);
+ tasklet_enable(&rt2x00dev->txstatus_tasklet);
+ }
+
+ if (rt2800_txstatus_pending(rt2x00dev))
+ hrtimer_start(&rt2x00dev->txstatus_timer,
+ TXSTATUS_TIMEOUT, HRTIMER_MODE_REL);
+}
+
+static enum hrtimer_restart rt2800mmio_tx_sta_fifo_timeout(struct hrtimer *timer)
+{
+ struct rt2x00_dev *rt2x00dev =
+ container_of(timer, struct rt2x00_dev, txstatus_timer);
+
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+ goto out;
+
+ if (!rt2800_txstatus_pending(rt2x00dev))
+ goto out;
+
+ rt2800mmio_fetch_txstatus(rt2x00dev);
+ if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo))
+ tasklet_schedule(&rt2x00dev->txstatus_tasklet);
+ else
+ queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
+out:
+ return HRTIMER_NORESTART;
+}
+
+int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ retval = rt2800_probe_hw(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Set txstatus timer function.
+ */
+ rt2x00dev->txstatus_timer.function = rt2800mmio_tx_sta_fifo_timeout;
+
+ /*
+ * Overwrite TX done handler
+ */
+ INIT_WORK(&rt2x00dev->txdone_work, rt2800mmio_work_txdone);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800mmio_probe_hw);
+
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("rt2800 MMIO library");
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
index 3a513273f414..ca58e6c3a4e5 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h
@@ -153,6 +153,7 @@ void rt2800mmio_stop_queue(struct data_queue *queue);
void rt2800mmio_queue_init(struct data_queue *queue);
/* Initialization functions */
+int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev);
bool rt2800mmio_get_entry_state(struct queue_entry *entry);
void rt2800mmio_clear_entry(struct queue_entry *entry);
int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
index 0291441ac548..43e1b1ee96bf 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800pci.c
@@ -346,7 +346,7 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
.autowake_tasklet = rt2800mmio_autowake_tasklet,
- .probe_hw = rt2800_probe_hw,
+ .probe_hw = rt2800mmio_probe_hw,
.get_firmware_name = rt2800pci_get_firmware_name,
.check_firmware = rt2800_check_firmware,
.load_firmware = rt2800_load_firmware,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
index a502816214ab..4e9e38771a56 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
@@ -51,9 +51,16 @@ static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
{
+ u32 reg;
+
rt2800_disable_radio(rt2x00dev);
rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
- rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0);
+
+ reg = 0;
+ if (rt2x00_rt(rt2x00dev, RT3883))
+ rt2x00_set_field32(&reg, TX_PIN_CFG_RFTR_EN, 1);
+
+ rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, reg);
}
static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,
@@ -185,7 +192,7 @@ static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
.tbtt_tasklet = rt2800mmio_tbtt_tasklet,
.rxdone_tasklet = rt2800mmio_rxdone_tasklet,
.autowake_tasklet = rt2800mmio_autowake_tasklet,
- .probe_hw = rt2800_probe_hw,
+ .probe_hw = rt2800mmio_probe_hw,
.get_firmware_name = rt2800soc_get_firmware_name,
.check_firmware = rt2800soc_check_firmware,
.load_firmware = rt2800soc_load_firmware,
@@ -203,7 +210,7 @@ static const struct rt2x00lib_ops rt2800soc_rt2x00_ops = {
.start_queue = rt2800mmio_start_queue,
.kick_queue = rt2800mmio_kick_queue,
.stop_queue = rt2800mmio_stop_queue,
- .flush_queue = rt2x00mmio_flush_queue,
+ .flush_queue = rt2800mmio_flush_queue,
.write_tx_desc = rt2800mmio_write_tx_desc,
.write_tx_data = rt2800_write_tx_data,
.write_beacon = rt2800_write_beacon,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
index 19eabf16147b..b5f75df9b563 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -100,22 +100,6 @@ static void rt2800usb_stop_queue(struct data_queue *queue)
}
}
-/*
- * test if there is an entry in any TX queue for which DMA is done
- * but the TX status has not been returned yet
- */
-static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
-{
- struct data_queue *queue;
-
- tx_queue_for_each(rt2x00dev, queue) {
- if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
- rt2x00queue_get_entry(queue, Q_INDEX_DONE))
- return true;
- }
- return false;
-}
-
#define TXSTATUS_READ_INTERVAL 1000000
static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
@@ -145,7 +129,7 @@ static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
if (rt2800_txstatus_timeout(rt2x00dev))
queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
- if (rt2800usb_txstatus_pending(rt2x00dev)) {
+ if (rt2800_txstatus_pending(rt2x00dev)) {
/* Read register after 1 ms */
hrtimer_start(&rt2x00dev->txstatus_timer,
TXSTATUS_READ_INTERVAL,
@@ -160,7 +144,7 @@ stop_reading:
* clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
* here again if status reading is needed.
*/
- if (rt2800usb_txstatus_pending(rt2x00dev) &&
+ if (rt2800_txstatus_pending(rt2x00dev) &&
!test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
return true;
else
@@ -480,7 +464,7 @@ static void rt2800usb_work_txdone(struct work_struct *work)
while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
rt2800_txstatus_timeout(rt2x00dev)) {
- rt2800_txdone(rt2x00dev);
+ rt2800_txdone(rt2x00dev, UINT_MAX);
rt2800_txdone_nostatus(rt2x00dev);
@@ -489,7 +473,7 @@ static void rt2800usb_work_txdone(struct work_struct *work)
* if the medium is busy, thus the TX_STA_FIFO entry is
* also delayed -> use a timer to retrieve it.
*/
- if (rt2800usb_txstatus_pending(rt2x00dev))
+ if (rt2800_txstatus_pending(rt2x00dev))
rt2800usb_async_read_tx_status(rt2x00dev);
}
}
@@ -562,13 +546,13 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
* stripped it from the frame. Signal this to mac80211.
*/
rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
-
+
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) {
rxdesc->flags |= RX_FLAG_DECRYPTED;
} else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) {
/*
* In order to check the Michael Mic, the packet must have
- * been decrypted. Mac80211 doesnt check the MMIC failure
+ * been decrypted. Mac80211 doesnt check the MMIC failure
* flag to initiate MMIC countermeasures if the decoded flag
* has not been set.
*/
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index 50b92ca92bd7..9c6ef0ca932b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -69,10 +69,10 @@
printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt, \
__func__, ##__VA_ARGS__)
#define rt2x00_err(dev, fmt, ...) \
- wiphy_err((dev)->hw->wiphy, "%s: Error - " fmt, \
+ wiphy_err_ratelimited((dev)->hw->wiphy, "%s: Error - " fmt, \
__func__, ##__VA_ARGS__)
#define rt2x00_warn(dev, fmt, ...) \
- wiphy_warn((dev)->hw->wiphy, "%s: Warning - " fmt, \
+ wiphy_warn_ratelimited((dev)->hw->wiphy, "%s: Warning - " fmt, \
__func__, ##__VA_ARGS__)
#define rt2x00_info(dev, fmt, ...) \
wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt, \
@@ -980,8 +980,6 @@ struct rt2x00_dev {
*/
DECLARE_KFIFO_PTR(txstatus_fifo, u32);
- unsigned long last_nostatus_check;
-
/*
* Timer to ensure tx status reports are read (rt2800usb).
*/
@@ -1016,6 +1014,7 @@ struct rt2x00_dev {
unsigned int extra_tx_headroom;
struct usb_anchor *anchor;
+ unsigned int num_proto_errs;
/* Clock for System On Chip devices. */
struct clk *clk;
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
index 357c0941aaad..1b08b01db27b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -1007,7 +1007,7 @@ void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr
const char *mac_addr;
mac_addr = of_get_mac_address(rt2x00dev->dev->of_node);
- if (mac_addr)
+ if (!IS_ERR(mac_addr))
ether_addr_copy(eeprom_mac_addr, mac_addr);
if (!is_valid_ether_addr(eeprom_mac_addr)) {
@@ -1391,6 +1391,8 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
mutex_init(&rt2x00dev->conf_mutex);
INIT_LIST_HEAD(&rt2x00dev->bar_list);
spin_lock_init(&rt2x00dev->bar_list_lock);
+ hrtimer_init(&rt2x00dev->txstatus_timer, CLOCK_MONOTONIC,
+ HRTIMER_MODE_REL);
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
@@ -1515,6 +1517,8 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
cancel_work_sync(&rt2x00dev->sleep_work);
+ hrtimer_cancel(&rt2x00dev->txstatus_timer);
+
/*
* Kill the tx status tasklet.
*/
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h
index 184a4148b2f8..03e6cdb0b5a4 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.h
@@ -80,8 +80,6 @@ int rt2x00mmio_regbusy_read(struct rt2x00_dev *rt2x00dev,
*
* @desc: Pointer to device descriptor
* @desc_dma: DMA pointer to &desc.
- * @data: Pointer to device's entry memory.
- * @data_dma: DMA pointer to &data.
*/
struct queue_entry_priv_mmio {
__le32 *desc;
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
index 4834b4eb0206..03b206440208 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
@@ -674,7 +674,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
spin_lock(&queue->tx_lock);
if (unlikely(rt2x00queue_full(queue))) {
- rt2x00_err(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
+ rt2x00_dbg(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
queue->qid);
ret = -ENOBUFS;
goto out;
@@ -1042,7 +1042,6 @@ void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev)
*/
tx_queue_for_each(rt2x00dev, queue)
rt2x00queue_start_queue(queue);
- rt2x00dev->last_nostatus_check = jiffies;
rt2x00queue_start_queue(rt2x00dev->rx);
}
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
index a15bae29917b..20113f861b9e 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.h
@@ -361,7 +361,6 @@ enum queue_entry_flags {
ENTRY_DATA_PENDING,
ENTRY_DATA_IO_FAILED,
ENTRY_DATA_STATUS_PENDING,
- ENTRY_DATA_STATUS_SET,
};
/**
@@ -387,8 +386,6 @@ struct queue_entry {
unsigned int entry_idx;
- u32 status;
-
void *priv_data;
};
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
index 086aad22743d..9cdd7f2c92b5 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
@@ -31,6 +31,22 @@
#include "rt2x00.h"
#include "rt2x00usb.h"
+static bool rt2x00usb_check_usb_error(struct rt2x00_dev *rt2x00dev, int status)
+{
+ if (status == -ENODEV || status == -ENOENT)
+ return true;
+
+ if (status == -EPROTO || status == -ETIMEDOUT)
+ rt2x00dev->num_proto_errs++;
+ else
+ rt2x00dev->num_proto_errs = 0;
+
+ if (rt2x00dev->num_proto_errs > 3)
+ return true;
+
+ return false;
+}
+
/*
* Interfacing with the HW.
*/
@@ -57,7 +73,7 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev,
if (status >= 0)
return 0;
- if (status == -ENODEV || status == -ENOENT) {
+ if (rt2x00usb_check_usb_error(rt2x00dev, status)) {
/* Device has disappeared. */
clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
break;
@@ -321,7 +337,7 @@ static bool rt2x00usb_kick_tx_entry(struct queue_entry *entry, void *data)
status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
if (status) {
- if (status == -ENODEV || status == -ENOENT)
+ if (rt2x00usb_check_usb_error(rt2x00dev, status))
clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
set_bit(ENTRY_DATA_IO_FAILED, &entry->flags);
rt2x00lib_dmadone(entry);
@@ -410,7 +426,7 @@ static bool rt2x00usb_kick_rx_entry(struct queue_entry *entry, void *data)
status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
if (status) {
- if (status == -ENODEV || status == -ENOENT)
+ if (rt2x00usb_check_usb_error(rt2x00dev, status))
clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
set_bit(ENTRY_DATA_IO_FAILED, &entry->flags);
rt2x00lib_dmadone(entry);
generated by cgit (git 2.34.1) at 2024-06-08 13:20:08 +0000