diff options
Diffstat (limited to 'package/rt2x00/src/rt2400pci.c')
| -rw-r--r-- | package/rt2x00/src/rt2400pci.c | 157 |
1 files changed, 79 insertions, 78 deletions
diff --git a/package/rt2x00/src/rt2400pci.c b/package/rt2x00/src/rt2400pci.c index aaed3b4ac0..824c8233e8 100644 --- a/package/rt2x00/src/rt2400pci.c +++ b/package/rt2x00/src/rt2400pci.c @@ -42,6 +42,7 @@ #include <asm/io.h> #include "rt2x00.h" +#include "rt2x00lib.h" #include "rt2x00pci.h" #include "rt2400pci.h" @@ -614,7 +615,7 @@ static void rt2400pci_disable_led(struct rt2x00_dev *rt2x00dev) /* * Link tuning */ -static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev, int rssi) +static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev) { u8 reg; char false_cca_delta; @@ -623,7 +624,7 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev, int rssi) * The link tuner should not run longer then 60 seconds, * and should run once every 2 seconds. */ - if (rt2x00dev->link.count > 60 || !(rt2x00dev->link.count % 1)) + if (rt2x00dev->link.count > 60 || !(rt2x00dev->link.count & 1)) return; /* @@ -649,6 +650,7 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev, int rssi) reg += 2; if (reg < 0x20) rt2400pci_bbp_write(rt2x00dev, 13, reg); + rt2x00dev->rx_status.noise = reg; } } @@ -926,11 +928,35 @@ static void rt2400pci_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); } -static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) +static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, int enabled) { u32 reg; /* + * When interrupts are being enabled, the interrupt registers + * should clear the register to assure a clean state. + */ + if (enabled) { + rt2x00pci_register_read(rt2x00dev, CSR7, ®); + rt2x00pci_register_write(rt2x00dev, CSR7, reg); + } + + /* + * Only toggle the interrupts bits we are going to use. + * Non-checked interrupt bits are disabled by default. + */ + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, !enabled); + rt2x00_set_field32(®, CSR8_TXDONE_TXRING, !enabled); + rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, !enabled); + rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, !enabled); + rt2x00_set_field32(®, CSR8_RXDONE, !enabled); + rt2x00pci_register_write(rt2x00dev, CSR8, reg); +} + +static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) +{ + /* * Initialize all registers. */ if (rt2400pci_init_rings(rt2x00dev) || @@ -941,21 +967,9 @@ static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) } /* - * Clear interrupts. - */ - rt2x00pci_register_read(rt2x00dev, CSR7, ®); - rt2x00pci_register_write(rt2x00dev, CSR7, reg); - - /* * Enable interrupts. */ - rt2x00pci_register_read(rt2x00dev, CSR8, ®); - rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, 0); - rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 0); - rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 0); - rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 0); - rt2x00_set_field32(®, CSR8_RXDONE, 0); - rt2x00pci_register_write(rt2x00dev, CSR8, reg); + rt2400pci_toggle_irq(rt2x00dev, 1); /* * Enable LED @@ -991,13 +1005,7 @@ static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev) /* * Disable interrupts. */ - rt2x00pci_register_read(rt2x00dev, CSR8, ®); - rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, 1); - rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 1); - rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 1); - rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 1); - rt2x00_set_field32(®, CSR8_RXDONE, 1); - rt2x00pci_register_write(rt2x00dev, CSR8, reg); + rt2400pci_toggle_irq(rt2x00dev, 0); } static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, @@ -1163,59 +1171,40 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, int queue) } /* - * Interrupt functions. + * RX control handlers */ -static void rt2400pci_rxdone(struct rt2x00_dev *rt2x00dev) +static int rt2400pci_fill_rxdone(struct data_entry *entry, + int *signal, int *rssi, int *ofdm) { - struct data_ring *ring = rt2x00dev->rx; - struct data_entry *entry; - struct data_desc *rxd; + struct data_desc *rxd = entry->priv; u32 word0; u32 word2; - int signal; - int rssi; - u16 size; - - while (1) { - entry = rt2x00_get_data_entry(ring); - rxd = entry->priv; - rt2x00_desc_read(rxd, 0, &word0); - rt2x00_desc_read(rxd, 2, &word2); - - if (rt2x00_get_field32(word0, RXD_W0_OWNER_NIC)) - break; - - /* - * TODO: Don't we need to keep statistics - * updated about events like CRC and physical errors? - */ - if (rt2x00_get_field32(word0, RXD_W0_CRC) || - rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) - goto skip_entry; - /* - * Obtain the status about this packet. - */ - size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); - signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL); - rssi = rt2x00_get_field32(word2, RXD_W2_RSSI); + rt2x00_desc_read(rxd, 0, &word0); + rt2x00_desc_read(rxd, 2, &word2); - /* - * Send the packet to upper layer. - */ - rt2x00lib_rxdone(entry, entry->data_addr, size, - signal, rssi, 0); + /* + * TODO: Don't we need to keep statistics + * updated about these errors? + */ + if (rt2x00_get_field32(word0, RXD_W0_CRC) || + rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) + return -EINVAL; -skip_entry: - if (test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) { - rt2x00_set_field32(&word0, RXD_W0_OWNER_NIC, 1); - rt2x00_desc_write(rxd, 0, word0); - } + /* + * Obtain the status about this packet. + */ + *signal = rt2x00_get_field32(word2, RXD_W2_SIGNAL); + *rssi = rt2x00_get_field32(word2, RXD_W2_RSSI) - + entry->ring->rt2x00dev->rssi_offset; + *ofdm = 0; - rt2x00_ring_index_inc(ring); - } + return rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); } +/* + * Interrupt functions. + */ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue) { struct data_ring *ring = rt2x00_get_ring(rt2x00dev, queue); @@ -1296,7 +1285,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) * 2 - Rx ring done interrupt. */ if (rt2x00_get_field32(reg, CSR7_RXDONE)) - rt2400pci_rxdone(rt2x00dev); + rt2x00pci_rxdone(rt2x00dev); /* * 3 - Atim ring transmit done interrupt. @@ -1327,6 +1316,7 @@ static int rt2400pci_alloc_eeprom(struct rt2x00_dev *rt2x00dev) struct eeprom_93cx6 eeprom; u32 reg; u16 word; + u8 *mac; /* * Allocate the eeprom memory, check the eeprom width @@ -1354,6 +1344,12 @@ static int rt2400pci_alloc_eeprom(struct rt2x00_dev *rt2x00dev) /* * Start validation of the data that has been read. */ + mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); + if (!is_valid_ether_addr(mac)) { + random_ether_addr(mac); + EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac)); + } + rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); if (word == 0xffff) { ERROR(rt2x00dev, "Invalid EEPROM data detected.\n"); @@ -1440,16 +1436,16 @@ static void rt2400pci_init_hw_mode(struct rt2x00_dev *rt2x00dev) IEEE80211_HW_WEP_INCLUDE_IV | IEEE80211_HW_DATA_NULLFUNC_ACK | IEEE80211_HW_NO_TKIP_WMM_HWACCEL | - IEEE80211_HW_MONITOR_DURING_OPER; + IEEE80211_HW_MONITOR_DURING_OPER | + IEEE80211_HW_NO_PROBE_FILTERING; rt2x00dev->hw->extra_tx_headroom = 0; rt2x00dev->hw->max_rssi = MAX_RX_SSI; rt2x00dev->hw->max_noise = MAX_RX_NOISE; rt2x00dev->hw->queues = 2; - /* - * This device supports ATIM - */ - __set_bit(DEVICE_SUPPORT_ATIM, &rt2x00dev->flags); + SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_pci(rt2x00dev)->dev); + SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, + rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); /* * Set device specific, but channel independent RF values. @@ -1470,7 +1466,6 @@ static void rt2400pci_init_hw_mode(struct rt2x00_dev *rt2x00dev) /* * Initialize hw_mode information. */ - spec->mac_addr = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); spec->num_modes = 1; spec->num_rates = 4; spec->num_channels = 14; @@ -1501,6 +1496,16 @@ static int rt2400pci_init_hw(struct rt2x00_dev *rt2x00dev) */ rt2400pci_init_hw_mode(rt2x00dev); + /* + * This device supports ATIM + */ + __set_bit(DEVICE_SUPPORT_ATIM, &rt2x00dev->flags); + + /* + * Set the rssi offset. + */ + rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; + return 0; } @@ -1599,8 +1604,6 @@ static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw) static const struct ieee80211_ops rt2400pci_mac80211_ops = { .tx = rt2x00lib_tx, .reset = rt2x00lib_reset, - .open = rt2x00lib_open, - .stop = rt2x00lib_stop, .add_interface = rt2x00lib_add_interface, .remove_interface = rt2x00lib_remove_interface, .config = rt2x00lib_config, @@ -1629,6 +1632,7 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { .write_tx_desc = rt2400pci_write_tx_desc, .write_tx_data = rt2x00pci_write_tx_data, .kick_tx_queue = rt2400pci_kick_tx_queue, + .fill_rxdone = rt2400pci_fill_rxdone, .config_type = rt2400pci_config_type, .config_phymode = rt2400pci_config_phymode, .config_channel = rt2400pci_config_channel, @@ -1679,14 +1683,11 @@ static struct pci_driver rt2400pci_driver = { static int __init rt2400pci_init(void) { - printk(KERN_INFO "Loading module: %s - %s by %s.\n", - DRV_NAME, DRV_VERSION, DRV_PROJECT); return pci_register_driver(&rt2400pci_driver); } static void __exit rt2400pci_exit(void) { - printk(KERN_INFO "Unloading module: %s.\n", DRV_NAME); pci_unregister_driver(&rt2400pci_driver); } |