diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800usb.c | 106 |
1 files changed, 50 insertions, 56 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 0f8b84b7224c..f18c12a19cc9 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -45,7 +45,7 @@ /* * Allow hardware encryption to be disabled. */ -static int modparam_nohwcrypt = 1; +static int modparam_nohwcrypt = 0; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); @@ -169,11 +169,8 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, /* * Write firmware to device. */ - rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, - FIRMWARE_IMAGE_BASE, - data + offset, length, - REGISTER_TIMEOUT32(length)); + rt2800_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE, + data + offset, length); rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); @@ -196,7 +193,7 @@ static int rt2800usb_load_firmware(struct rt2x00_dev *rt2x00dev, /* * Send signal to firmware during boot time. */ - rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0xff, 0, 0); + rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0); if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071) || @@ -246,6 +243,44 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); } +static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev) +{ + u32 reg; + int i; + + /* + * Wait until BBP and RF are ready. + */ + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { + rt2800_register_read(rt2x00dev, MAC_CSR0, ®); + if (reg && reg != ~0) + break; + msleep(1); + } + + if (i == REGISTER_BUSY_COUNT) { + ERROR(rt2x00dev, "Unstable hardware.\n"); + return -EBUSY; + } + + rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, ®); + rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000); + + rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, ®); + rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); + rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); + rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg); + + rt2800_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000); + + rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, + USB_MODE_RESET, REGISTER_TIMEOUT); + + rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000); + + return 0; +} + static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) { u32 reg; @@ -400,20 +435,21 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txi = (__le32 *)(skb->data - TXWI_DESC_SIZE - TXINFO_DESC_SIZE); + __le32 *txi = (__le32 *) skb->data; + __le32 *txwi = (__le32 *) (skb->data + TXINFO_DESC_SIZE); u32 word; /* * Initialize TXWI descriptor */ - rt2800_write_txwi(skb, txdesc); + rt2800_write_txwi(txwi, txdesc); /* * Initialize TXINFO descriptor */ rt2x00_desc_read(txi, 0, &word); rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, - skb->len + TXWI_DESC_SIZE); + skb->len - TXINFO_DESC_SIZE); rt2x00_set_field32(&word, TXINFO_W0_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2); @@ -426,6 +462,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * Register descriptor details in skb frame descriptor. */ + skbdesc->flags |= SKBDESC_DESC_IN_SKB; skbdesc->desc = txi; skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE; } @@ -433,51 +470,6 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2800usb_write_beacon(struct queue_entry *entry, - struct txentry_desc *txdesc) -{ - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - unsigned int beacon_base; - u32 reg; - - /* - * Disable beaconing while we are reloading the beacon data, - * otherwise we might be sending out invalid data. - */ - rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 0); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - - /* - * Add the TXWI for the beacon to the skb. - */ - rt2800_write_txwi(entry->skb, txdesc); - skb_push(entry->skb, TXWI_DESC_SIZE); - - /* - * Write entire beacon with descriptor to register. - */ - beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, beacon_base, - entry->skb->data, entry->skb->len, - REGISTER_TIMEOUT32(entry->skb->len)); - - /* - * Enable beaconing again. - */ - rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - - /* - * Clean up the beacon skb. - */ - dev_kfree_skb(entry->skb); - entry->skb = NULL; -} - static int rt2800usb_get_tx_data_len(struct queue_entry *entry) { int length; @@ -595,6 +587,8 @@ static const struct rt2800_ops rt2800usb_rt2800_ops = { .register_multiwrite = rt2x00usb_register_multiwrite, .regbusy_read = rt2x00usb_regbusy_read, + + .drv_init_registers = rt2800usb_init_registers, }; static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) @@ -659,7 +653,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .link_tuner = rt2800_link_tuner, .write_tx_desc = rt2800usb_write_tx_desc, .write_tx_data = rt2x00usb_write_tx_data, - .write_beacon = rt2800usb_write_beacon, + .write_beacon = rt2800_write_beacon, .get_tx_data_len = rt2800usb_get_tx_data_len, .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, |