]> err.no Git - linux-2.6/blobdiff - drivers/net/wireless/rt2x00/rt2400pci.c
rt2x00: Replace DRV_NAME with KBUILD_MODNAME
[linux-2.6] / drivers / net / wireless / rt2x00 / rt2400pci.c
index 31c1dd271627191813d37278d23abc08bcb48455..6d3cdaf5903e0aead087a47919b71b298e90f9e8 100644 (file)
        Supported chipsets: RT2460.
  */
 
-/*
- * Set enviroment defines for rt2x00.h
- */
-#define DRV_NAME "rt2400pci"
-
 #include <linux/delay.h>
 #include <linux/etherdevice.h>
 #include <linux/init.h>
@@ -54,7 +49,7 @@
  * the access attempt is considered to have failed,
  * and we will print an error.
  */
-static u32 rt2400pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
+static u32 rt2400pci_bbp_check(struct rt2x00_dev *rt2x00dev)
 {
        u32 reg;
        unsigned int i;
@@ -69,7 +64,7 @@ static u32 rt2400pci_bbp_check(const struct rt2x00_dev *rt2x00dev)
        return reg;
 }
 
-static void rt2400pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
+static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev,
                                const unsigned int word, const u8 value)
 {
        u32 reg;
@@ -95,7 +90,7 @@ static void rt2400pci_bbp_write(const struct rt2x00_dev *rt2x00dev,
        rt2x00pci_register_write(rt2x00dev, BBPCSR, reg);
 }
 
-static void rt2400pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
+static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
                               const unsigned int word, u8 *value)
 {
        u32 reg;
@@ -132,7 +127,7 @@ static void rt2400pci_bbp_read(const struct rt2x00_dev *rt2x00dev,
        *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
 }
 
-static void rt2400pci_rf_write(const struct rt2x00_dev *rt2x00dev,
+static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
                               const unsigned int word, const u32 value)
 {
        u32 reg;
@@ -195,13 +190,13 @@ static void rt2400pci_eepromregister_write(struct eeprom_93cx6 *eeprom)
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
 #define CSR_OFFSET(__word)     ( CSR_REG_BASE + ((__word) * sizeof(u32)) )
 
-static void rt2400pci_read_csr(const struct rt2x00_dev *rt2x00dev,
+static void rt2400pci_read_csr(struct rt2x00_dev *rt2x00dev,
                               const unsigned int word, u32 *data)
 {
        rt2x00pci_register_read(rt2x00dev, CSR_OFFSET(word), data);
 }
 
-static void rt2400pci_write_csr(const struct rt2x00_dev *rt2x00dev,
+static void rt2400pci_write_csr(struct rt2x00_dev *rt2x00dev,
                                const unsigned int word, u32 data)
 {
        rt2x00pci_register_write(rt2x00dev, CSR_OFFSET(word), data);
@@ -397,7 +392,7 @@ static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower)
 }
 
 static void rt2400pci_config_antenna(struct rt2x00_dev *rt2x00dev,
-                                    int antenna_tx, int antenna_rx)
+                                    struct antenna_setup *ant)
 {
        u8 r1;
        u8 r4;
@@ -408,14 +403,20 @@ static void rt2400pci_config_antenna(struct rt2x00_dev *rt2x00dev,
        /*
         * Configure the TX antenna.
         */
-       switch (antenna_tx) {
-       case ANTENNA_SW_DIVERSITY:
+       switch (ant->tx) {
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 1);
                break;
        case ANTENNA_A:
                rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 0);
                break;
+       case ANTENNA_SW_DIVERSITY:
+               /*
+                * NOTE: We should never come here because rt2x00lib is
+                * supposed to catch this and send us the correct antenna
+                * explicitely. However we are nog going to bug about this.
+                * Instead, just default to antenna B.
+                */
        case ANTENNA_B:
                rt2x00_set_field8(&r1, BBP_R1_TX_ANTENNA, 2);
                break;
@@ -424,14 +425,20 @@ static void rt2400pci_config_antenna(struct rt2x00_dev *rt2x00dev,
        /*
         * Configure the RX antenna.
         */
-       switch (antenna_rx) {
-       case ANTENNA_SW_DIVERSITY:
+       switch (ant->rx) {
        case ANTENNA_HW_DIVERSITY:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
                break;
        case ANTENNA_A:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 0);
                break;
+       case ANTENNA_SW_DIVERSITY:
+               /*
+                * NOTE: We should never come here because rt2x00lib is
+                * supposed to catch this and send us the correct antenna
+                * explicitely. However we are nog going to bug about this.
+                * Instead, just default to antenna B.
+                */
        case ANTENNA_B:
                rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
                break;
@@ -485,9 +492,7 @@ static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
                rt2400pci_config_txpower(rt2x00dev,
                                         libconf->conf->power_level);
        if (flags & CONFIG_UPDATE_ANTENNA)
-               rt2400pci_config_antenna(rt2x00dev,
-                                        libconf->conf->antenna_sel_tx,
-                                        libconf->conf->antenna_sel_rx);
+               rt2400pci_config_antenna(rt2x00dev, &libconf->ant);
        if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
                rt2400pci_config_duration(rt2x00dev, libconf);
 }
@@ -514,18 +519,10 @@ static void rt2400pci_enable_led(struct rt2x00_dev *rt2x00dev)
 
        rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, 70);
        rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, 30);
-
-       if (rt2x00dev->led_mode == LED_MODE_TXRX_ACTIVITY) {
-               rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
-               rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 0);
-       } else if (rt2x00dev->led_mode == LED_MODE_ASUS) {
-               rt2x00_set_field32(&reg, LEDCSR_LINK, 0);
-               rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
-       } else {
-               rt2x00_set_field32(&reg, LEDCSR_LINK, 1);
-               rt2x00_set_field32(&reg, LEDCSR_ACTIVITY, 1);
-       }
-
+       rt2x00_set_field32(&reg, LEDCSR_LINK,
+                          (rt2x00dev->led_mode != LED_MODE_ASUS));
+       rt2x00_set_field32(&reg, LEDCSR_ACTIVITY,
+                          (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY));
        rt2x00pci_register_write(rt2x00dev, LEDCSR, reg);
 }
 
@@ -542,7 +539,8 @@ static void rt2400pci_disable_led(struct rt2x00_dev *rt2x00dev)
 /*
  * Link tuning
  */
-static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev)
+static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev,
+                                struct link_qual *qual)
 {
        u32 reg;
        u8 bbp;
@@ -551,13 +549,13 @@ static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev)
         * Update FCS error count from register.
         */
        rt2x00pci_register_read(rt2x00dev, CNT0, &reg);
-       rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
+       qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
 
        /*
         * Update False CCA count from register.
         */
        rt2400pci_bbp_read(rt2x00dev, 39, &bbp);
-       rt2x00dev->link.false_cca = bbp;
+       qual->false_cca = bbp;
 }
 
 static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
@@ -582,10 +580,10 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
         */
        rt2400pci_bbp_read(rt2x00dev, 13, &reg);
 
-       if (rt2x00dev->link.false_cca > 512 && reg < 0x20) {
+       if (rt2x00dev->link.qual.false_cca > 512 && reg < 0x20) {
                rt2400pci_bbp_write(rt2x00dev, 13, ++reg);
                rt2x00dev->link.vgc_level = reg;
-       } else if (rt2x00dev->link.false_cca < 100 && reg > 0x08) {
+       } else if (rt2x00dev->link.qual.false_cca < 100 && reg > 0x08) {
                rt2400pci_bbp_write(rt2x00dev, 13, --reg);
                rt2x00dev->link.vgc_level = reg;
        }
@@ -597,7 +595,7 @@ static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
 static void rt2400pci_init_rxring(struct rt2x00_dev *rt2x00dev)
 {
        struct data_ring *ring = rt2x00dev->rx;
-       struct data_desc *rxd;
+       __le32 *rxd;
        unsigned int i;
        u32 word;
 
@@ -627,7 +625,7 @@ static void rt2400pci_init_rxring(struct rt2x00_dev *rt2x00dev)
 static void rt2400pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
 {
        struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
-       struct data_desc *txd;
+       __le32 *txd;
        unsigned int i;
        u32 word;
 
@@ -1014,7 +1012,7 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
  * TX descriptor initialization
  */
 static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-                                   struct data_desc *txd,
+                                   __le32 *txd,
                                    struct txdata_entry_desc *desc,
                                    struct ieee80211_hdr *ieee80211hdr,
                                    unsigned int length,
@@ -1069,7 +1067,7 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
        rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
                           test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags));
        rt2x00_set_field32(&word, TXD_W0_ACK,
-                          !(control->flags & IEEE80211_TXCTL_NO_ACK));
+                          test_bit(ENTRY_TXD_ACK, &desc->flags));
        rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
                           test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags));
        rt2x00_set_field32(&word, TXD_W0_RTS,
@@ -1099,12 +1097,12 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
        }
 
        rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
-       if (queue == IEEE80211_TX_QUEUE_DATA0)
-               rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
-       else if (queue == IEEE80211_TX_QUEUE_DATA1)
-               rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
-       else if (queue == IEEE80211_TX_QUEUE_AFTER_BEACON)
-               rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
+       rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO,
+                          (queue == IEEE80211_TX_QUEUE_DATA0));
+       rt2x00_set_field32(&reg, TXCSR0_KICK_TX,
+                          (queue == IEEE80211_TX_QUEUE_DATA1));
+       rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM,
+                          (queue == IEEE80211_TX_QUEUE_AFTER_BEACON));
        rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
 }
 
@@ -1114,7 +1112,7 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 static void rt2400pci_fill_rxdone(struct data_entry *entry,
                                  struct rxdata_entry_desc *desc)
 {
-       struct data_desc *rxd = entry->priv;
+       __le32 *rxd = entry->priv;
        u32 word0;
        u32 word2;
 
@@ -1144,7 +1142,7 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
 {
        struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
        struct data_entry *entry;
-       struct data_desc *txd;
+       __le32 *txd;
        u32 word;
        int tx_status;
        int retry;
@@ -1164,26 +1162,8 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const int queue)
                tx_status = rt2x00_get_field32(word, TXD_W0_RESULT);
                retry = rt2x00_get_field32(word, TXD_W0_RETRY_COUNT);
 
-               rt2x00lib_txdone(entry, tx_status, retry);
-
-               /*
-                * Make this entry available for reuse.
-                */
-               entry->flags = 0;
-               rt2x00_set_field32(&word, TXD_W0_VALID, 0);
-               rt2x00_desc_write(txd, 0, word);
-               rt2x00_ring_index_done_inc(ring);
+               rt2x00pci_txdone(rt2x00dev, entry, tx_status, retry);
        }
-
-       /*
-        * If the data ring was full before the txdone handler
-        * we must make sure the packet queue in the mac80211 stack
-        * is reenabled when the txdone handler has finished.
-        */
-       entry = ring->entry;
-       if (!rt2x00_ring_full(ring))
-               ieee80211_wake_queue(rt2x00dev->hw,
-                                    entry->tx_status.control.queue);
 }
 
 static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
@@ -1315,11 +1295,22 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
        /*
         * Identify default antenna configuration.
         */
-       rt2x00dev->hw->conf.antenna_sel_tx =
+       rt2x00dev->default_ant.tx =
            rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
-       rt2x00dev->hw->conf.antenna_sel_rx =
+       rt2x00dev->default_ant.rx =
            rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
 
+       /*
+        * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead.
+        * I am not 100% sure about this, but the legacy drivers do not
+        * indicate antenna swapping in software is required when
+        * diversity is enabled.
+        */
+       if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY)
+               rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY;
+       if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY)
+               rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY;
+
        /*
         * Store led mode, for correct led behaviour.
         */
@@ -1614,7 +1605,7 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
 };
 
 static const struct rt2x00_ops rt2400pci_ops = {
-       .name           = DRV_NAME,
+       .name           = KBUILD_MODNAME,
        .rxd_size       = RXD_DESC_SIZE,
        .txd_size       = TXD_DESC_SIZE,
        .eeprom_size    = EEPROM_SIZE,
@@ -1642,7 +1633,7 @@ MODULE_DEVICE_TABLE(pci, rt2400pci_device_table);
 MODULE_LICENSE("GPL");
 
 static struct pci_driver rt2400pci_driver = {
-       .name           = DRV_NAME,
+       .name           = KBUILD_MODNAME,
        .id_table       = rt2400pci_device_table,
        .probe          = rt2x00pci_probe,
        .remove         = __devexit_p(rt2x00pci_remove),