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authorJames Morris <jmorris@namei.org>2011-01-09 23:46:24 +0100
committerJames Morris <jmorris@namei.org>2011-01-09 23:46:24 +0100
commitd2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch)
tree98a3741b4d4b27a48b3c7ea9babe331e539416a8 /drivers/net/wireless/rt2x00/rt2800pci.c
parentMAINTAINERS: Add tomoyo-dev-en ML. (diff)
parentMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/... (diff)
downloadlinux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.xz
linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip
Merge branch 'master' into next
Conflicts: security/smack/smack_lsm.c Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au> Ok'd by Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c215
1 files changed, 113 insertions, 102 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index b26739535986..aa97971a38af 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -84,20 +84,22 @@ static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
}
-#ifdef CONFIG_RT2800PCI_SOC
+#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
static void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
{
- u32 *base_addr = (u32 *) KSEG1ADDR(0x1F040000); /* XXX for RT3052 */
+ void __iomem *base_addr = ioremap(0x1F040000, EEPROM_SIZE);
memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
+
+ iounmap(base_addr);
}
#else
static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
{
}
-#endif /* CONFIG_RT2800PCI_SOC */
+#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
static void rt2800pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
{
struct rt2x00_dev *rt2x00dev = eeprom->data;
@@ -181,7 +183,78 @@ static inline int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev)
static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
{
}
-#endif /* CONFIG_RT2800PCI_PCI */
+#endif /* CONFIG_PCI */
+
+/*
+ * Queue handlers.
+ */
+static void rt2800pci_start_queue(struct data_queue *queue)
+{
+ struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+ u32 reg;
+
+ switch (queue->qid) {
+ case QID_RX:
+ rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+ rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+ break;
+ case QID_BEACON:
+ rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
+ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+ break;
+ default:
+ break;
+ };
+}
+
+static void rt2800pci_kick_queue(struct data_queue *queue)
+{
+ struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+ struct queue_entry *entry;
+
+ switch (queue->qid) {
+ case QID_AC_VO:
+ case QID_AC_VI:
+ case QID_AC_BE:
+ case QID_AC_BK:
+ entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ rt2800_register_write(rt2x00dev, TX_CTX_IDX(queue->qid), entry->entry_idx);
+ break;
+ case QID_MGMT:
+ entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ rt2800_register_write(rt2x00dev, TX_CTX_IDX(5), entry->entry_idx);
+ break;
+ default:
+ break;
+ }
+}
+
+static void rt2800pci_stop_queue(struct data_queue *queue)
+{
+ struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+ u32 reg;
+
+ switch (queue->qid) {
+ case QID_RX:
+ rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+ rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+ break;
+ case QID_BEACON:
+ rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
+ rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
+ rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+ break;
+ default:
+ break;
+ }
+}
/*
* Firmware functions
@@ -321,18 +394,6 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
/*
* Device state switch handlers.
*/
-static void rt2800pci_toggle_rx(struct rt2x00_dev *rt2x00dev,
- enum dev_state state)
-{
- u32 reg;
-
- rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
- rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX,
- (state == STATE_RADIO_RX_ON) ||
- (state == STATE_RADIO_RX_ON_LINK));
- rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-}
-
static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
enum dev_state state)
{
@@ -442,7 +503,7 @@ static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
* if the device is booting and wasn't asleep it will return
* failure when attempting to wakeup.
*/
- rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 2);
+ rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
if (state == STATE_AWAKE) {
rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
@@ -476,12 +537,6 @@ static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
rt2800pci_disable_radio(rt2x00dev);
rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
break;
- case STATE_RADIO_RX_ON:
- case STATE_RADIO_RX_ON_LINK:
- case STATE_RADIO_RX_OFF:
- case STATE_RADIO_RX_OFF_LINK:
- rt2800pci_toggle_rx(rt2x00dev, state);
- break;
case STATE_RADIO_IRQ_ON:
case STATE_RADIO_IRQ_ON_ISR:
case STATE_RADIO_IRQ_OFF:
@@ -567,41 +622,6 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry,
}
/*
- * TX data initialization
- */
-static void rt2800pci_kick_tx_queue(struct data_queue *queue)
-{
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
- struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
- unsigned int qidx;
-
- if (queue->qid == QID_MGMT)
- qidx = 5;
- else
- qidx = queue->qid;
-
- rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), entry->entry_idx);
-}
-
-static void rt2800pci_kill_tx_queue(struct data_queue *queue)
-{
- struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
- u32 reg;
-
- if (queue->qid == QID_BEACON) {
- rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
- return;
- }
-
- rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
- rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (queue->qid == QID_AC_BE));
- rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (queue->qid == QID_AC_BK));
- rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (queue->qid == QID_AC_VI));
- rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (queue->qid == QID_AC_VO));
- rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
-}
-
-/*
* RX control handlers
*/
static void rt2800pci_fill_rxdone(struct queue_entry *entry,
@@ -668,14 +688,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
u32 status;
u8 qid;
- while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
- /* Now remove the tx status from the FIFO */
- if (kfifo_out(&rt2x00dev->txstatus_fifo, &status,
- sizeof(status)) != sizeof(status)) {
- WARN_ON(1);
- break;
- }
-
+ while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
if (qid >= QID_RX) {
/*
@@ -683,7 +696,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
* this tx status.
*/
WARNING(rt2x00dev, "Got TX status report with "
- "unexpected pid %u, dropping", qid);
+ "unexpected pid %u, dropping\n", qid);
break;
}
@@ -694,7 +707,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
* processing here and drop the tx status
*/
WARNING(rt2x00dev, "Got TX status for an unavailable "
- "queue %u, dropping", qid);
+ "queue %u, dropping\n", qid);
break;
}
@@ -704,7 +717,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
* and drop the tx status.
*/
WARNING(rt2x00dev, "Got TX status for an empty "
- "queue %u, dropping", qid);
+ "queue %u, dropping\n", qid);
break;
}
@@ -777,20 +790,13 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
* Since we have only one producer and one consumer we don't
* need to lock the kfifo.
*/
- for (i = 0; i < TX_ENTRIES; i++) {
+ for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
rt2800_register_read(rt2x00dev, TX_STA_FIFO, &status);
if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))
break;
- if (kfifo_is_full(&rt2x00dev->txstatus_fifo)) {
- WARNING(rt2x00dev, "TX status FIFO overrun,"
- " drop tx status report.\n");
- break;
- }
-
- if (kfifo_in(&rt2x00dev->txstatus_fifo, &status,
- sizeof(status)) != sizeof(status)) {
+ if (!kfifo_put(&rt2x00dev->txstatus_fifo, &status)) {
WARNING(rt2x00dev, "TX status FIFO overrun,"
"drop tx status report.\n");
break;
@@ -912,6 +918,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags);
+ __set_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags);
if (!modparam_nohwcrypt)
__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
__set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
@@ -943,6 +950,8 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = {
.get_tsf = rt2800_get_tsf,
.rfkill_poll = rt2x00mac_rfkill_poll,
.ampdu_action = rt2800_ampdu_action,
+ .flush = rt2x00mac_flush,
+ .get_survey = rt2800_get_survey,
};
static const struct rt2800_ops rt2800pci_rt2800_ops = {
@@ -975,11 +984,12 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.link_stats = rt2800_link_stats,
.reset_tuner = rt2800_reset_tuner,
.link_tuner = rt2800_link_tuner,
+ .start_queue = rt2800pci_start_queue,
+ .kick_queue = rt2800pci_kick_queue,
+ .stop_queue = rt2800pci_stop_queue,
.write_tx_desc = rt2800pci_write_tx_desc,
.write_tx_data = rt2800_write_tx_data,
.write_beacon = rt2800_write_beacon,
- .kick_tx_queue = rt2800pci_kick_tx_queue,
- .kill_tx_queue = rt2800pci_kill_tx_queue,
.fill_rxdone = rt2800pci_fill_rxdone,
.config_shared_key = rt2800_config_shared_key,
.config_pairwise_key = rt2800_config_pairwise_key,
@@ -991,21 +1001,21 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
};
static const struct data_queue_desc rt2800pci_queue_rx = {
- .entry_num = RX_ENTRIES,
+ .entry_num = 128,
.data_size = AGGREGATION_SIZE,
.desc_size = RXD_DESC_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2800pci_queue_tx = {
- .entry_num = TX_ENTRIES,
+ .entry_num = 64,
.data_size = AGGREGATION_SIZE,
.desc_size = TXD_DESC_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci),
};
static const struct data_queue_desc rt2800pci_queue_bcn = {
- .entry_num = 8 * BEACON_ENTRIES,
+ .entry_num = 8,
.data_size = 0, /* No DMA required for beacons */
.desc_size = TXWI_DESC_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci),
@@ -1033,12 +1043,15 @@ static const struct rt2x00_ops rt2800pci_ops = {
/*
* RT2800pci module information.
*/
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
{ PCI_DEVICE(0x1814, 0x0601), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x0681), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x0701), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1814, 0x0781), PCI_DEVICE_DATA(&rt2800pci_ops) },
+ { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) },
+ { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) },
+ { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1432, 0x7708), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1432, 0x7727), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1432, 0x7728), PCI_DEVICE_DATA(&rt2800pci_ops) },
@@ -1046,12 +1059,10 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
{ PCI_DEVICE(0x1432, 0x7748), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1432, 0x7758), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1432, 0x7768), PCI_DEVICE_DATA(&rt2800pci_ops) },
- { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) },
-#ifdef CONFIG_RT2800PCI_RT30XX
- { PCI_DEVICE(0x1814, 0x3090), PCI_DEVICE_DATA(&rt2800pci_ops) },
- { PCI_DEVICE(0x1814, 0x3091), PCI_DEVICE_DATA(&rt2800pci_ops) },
- { PCI_DEVICE(0x1814, 0x3092), PCI_DEVICE_DATA(&rt2800pci_ops) },
{ PCI_DEVICE(0x1462, 0x891a), PCI_DEVICE_DATA(&rt2800pci_ops) },
+ { PCI_DEVICE(0x1a3b, 0x1059), PCI_DEVICE_DATA(&rt2800pci_ops) },
+#ifdef CONFIG_RT2800PCI_RT33XX
+ { PCI_DEVICE(0x1814, 0x3390), PCI_DEVICE_DATA(&rt2800pci_ops) },
#endif
#ifdef CONFIG_RT2800PCI_RT35XX
{ PCI_DEVICE(0x1814, 0x3060), PCI_DEVICE_DATA(&rt2800pci_ops) },
@@ -1062,19 +1073,19 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
#endif
{ 0, }
};
-#endif /* CONFIG_RT2800PCI_PCI */
+#endif /* CONFIG_PCI */
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("Ralink RT2800 PCI & PCMCIA Wireless LAN driver.");
MODULE_SUPPORTED_DEVICE("Ralink RT2860 PCI & PCMCIA chipset based cards");
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
MODULE_FIRMWARE(FIRMWARE_RT2860);
MODULE_DEVICE_TABLE(pci, rt2800pci_device_table);
-#endif /* CONFIG_RT2800PCI_PCI */
+#endif /* CONFIG_PCI */
MODULE_LICENSE("GPL");
-#ifdef CONFIG_RT2800PCI_SOC
+#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
static int rt2800soc_probe(struct platform_device *pdev)
{
return rt2x00soc_probe(pdev, &rt2800pci_ops);
@@ -1091,9 +1102,9 @@ static struct platform_driver rt2800soc_driver = {
.suspend = rt2x00soc_suspend,
.resume = rt2x00soc_resume,
};
-#endif /* CONFIG_RT2800PCI_SOC */
+#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
static struct pci_driver rt2800pci_driver = {
.name = KBUILD_MODNAME,
.id_table = rt2800pci_device_table,
@@ -1102,21 +1113,21 @@ static struct pci_driver rt2800pci_driver = {
.suspend = rt2x00pci_suspend,
.resume = rt2x00pci_resume,
};
-#endif /* CONFIG_RT2800PCI_PCI */
+#endif /* CONFIG_PCI */
static int __init rt2800pci_init(void)
{
int ret = 0;
-#ifdef CONFIG_RT2800PCI_SOC
+#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
ret = platform_driver_register(&rt2800soc_driver);
if (ret)
return ret;
#endif
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
ret = pci_register_driver(&rt2800pci_driver);
if (ret) {
-#ifdef CONFIG_RT2800PCI_SOC
+#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
platform_driver_unregister(&rt2800soc_driver);
#endif
return ret;
@@ -1128,10 +1139,10 @@ static int __init rt2800pci_init(void)
static void __exit rt2800pci_exit(void)
{
-#ifdef CONFIG_RT2800PCI_PCI
+#ifdef CONFIG_PCI
pci_unregister_driver(&rt2800pci_driver);
#endif
-#ifdef CONFIG_RT2800PCI_SOC
+#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT305X)
platform_driver_unregister(&rt2800soc_driver);
#endif
}