/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
* the access attempt is considered to have failed,
* and we will print an error.
*/
-static u32 rt61pci_bbp_check(struct rt2x00_dev *rt2x00dev)
-{
- u32 reg;
- unsigned int i;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00pci_register_read(rt2x00dev, PHY_CSR3, ®);
- if (!rt2x00_get_field32(reg, PHY_CSR3_BUSY))
- break;
- udelay(REGISTER_BUSY_DELAY);
- }
-
- return reg;
-}
+#define WAIT_FOR_BBP(__dev, __reg) \
+ rt2x00pci_regbusy_read((__dev), PHY_CSR3, PHY_CSR3_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+ rt2x00pci_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg))
+#define WAIT_FOR_MCU(__dev, __reg) \
+ rt2x00pci_regbusy_read((__dev), H2M_MAILBOX_CSR, \
+ H2M_MAILBOX_CSR_OWNER, (__reg))
static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev,
const unsigned int word, const u8 value)
mutex_lock(&rt2x00dev->csr_mutex);
/*
- * Wait until the BBP becomes ready.
+ * Wait until the BBP becomes available, afterwards we
+ * can safely write the new data into the register.
*/
- reg = rt61pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
- goto exit_fail;
+ if (WAIT_FOR_BBP(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, PHY_CSR3_VALUE, value);
+ rt2x00_set_field32(®, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(®, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0);
- /*
- * Write the data into the BBP.
- */
- reg = 0;
- rt2x00_set_field32(®, PHY_CSR3_VALUE, value);
- rt2x00_set_field32(®, PHY_CSR3_REGNUM, word);
- rt2x00_set_field32(®, PHY_CSR3_BUSY, 1);
- rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 0);
-
- rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
- mutex_unlock(&rt2x00dev->csr_mutex);
-
- return;
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
+ }
-exit_fail:
mutex_unlock(&rt2x00dev->csr_mutex);
-
- ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n");
}
static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev,
mutex_lock(&rt2x00dev->csr_mutex);
/*
- * Wait until the BBP becomes ready.
+ * Wait until the BBP becomes available, afterwards we
+ * can safely write the read request into the register.
+ * After the data has been written, we wait until hardware
+ * returns the correct value, if at any time the register
+ * doesn't become available in time, reg will be 0xffffffff
+ * which means we return 0xff to the caller.
*/
- reg = rt61pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
- goto exit_fail;
+ if (WAIT_FOR_BBP(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, PHY_CSR3_REGNUM, word);
+ rt2x00_set_field32(®, PHY_CSR3_BUSY, 1);
+ rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1);
- /*
- * Write the request into the BBP.
- */
- reg = 0;
- rt2x00_set_field32(®, PHY_CSR3_REGNUM, word);
- rt2x00_set_field32(®, PHY_CSR3_BUSY, 1);
- rt2x00_set_field32(®, PHY_CSR3_READ_CONTROL, 1);
-
- rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR3, reg);
- /*
- * Wait until the BBP becomes ready.
- */
- reg = rt61pci_bbp_check(rt2x00dev);
- if (rt2x00_get_field32(reg, PHY_CSR3_BUSY))
- goto exit_fail;
+ WAIT_FOR_BBP(rt2x00dev, ®);
+ }
*value = rt2x00_get_field32(reg, PHY_CSR3_VALUE);
- mutex_unlock(&rt2x00dev->csr_mutex);
- return;
-
-exit_fail:
mutex_unlock(&rt2x00dev->csr_mutex);
-
- ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n");
- *value = 0xff;
}
static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev,
const unsigned int word, const u32 value)
{
u32 reg;
- unsigned int i;
if (!word)
return;
mutex_lock(&rt2x00dev->csr_mutex);
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00pci_register_read(rt2x00dev, PHY_CSR4, ®);
- if (!rt2x00_get_field32(reg, PHY_CSR4_BUSY))
- goto rf_write;
- udelay(REGISTER_BUSY_DELAY);
- }
-
- mutex_unlock(&rt2x00dev->csr_mutex);
- ERROR(rt2x00dev, "PHY_CSR4 register busy. Write failed.\n");
- return;
-
-rf_write:
- reg = 0;
- rt2x00_set_field32(®, PHY_CSR4_VALUE, value);
- rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21);
- rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0);
- rt2x00_set_field32(®, PHY_CSR4_BUSY, 1);
+ /*
+ * Wait until the RF becomes available, afterwards we
+ * can safely write the new data into the register.
+ */
+ if (WAIT_FOR_RF(rt2x00dev, ®)) {
+ reg = 0;
+ rt2x00_set_field32(®, PHY_CSR4_VALUE, value);
+ rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21);
+ rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0);
+ rt2x00_set_field32(®, PHY_CSR4_BUSY, 1);
- rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg);
- rt2x00_rf_write(rt2x00dev, word, value);
+ rt2x00pci_register_write(rt2x00dev, PHY_CSR4, reg);
+ rt2x00_rf_write(rt2x00dev, word, value);
+ }
mutex_unlock(&rt2x00dev->csr_mutex);
}
-#ifdef CONFIG_RT2X00_LIB_LEDS
-/*
- * This function is only called from rt61pci_led_brightness()
- * make gcc happy by placing this function inside the
- * same ifdef statement as the caller.
- */
static void rt61pci_mcu_request(struct rt2x00_dev *rt2x00dev,
const u8 command, const u8 token,
const u8 arg0, const u8 arg1)
mutex_lock(&rt2x00dev->csr_mutex);
- rt2x00pci_register_read(rt2x00dev, H2M_MAILBOX_CSR, ®);
-
- if (rt2x00_get_field32(reg, H2M_MAILBOX_CSR_OWNER))
- goto exit_fail;
-
- rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1);
- rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token);
- rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0);
- rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1);
- rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
-
- rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, ®);
- rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command);
- rt2x00_set_field32(®, HOST_CMD_CSR_INTERRUPT_MCU, 1);
- rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
-
- mutex_unlock(&rt2x00dev->csr_mutex);
+ /*
+ * Wait until the MCU becomes available, afterwards we
+ * can safely write the new data into the register.
+ */
+ if (WAIT_FOR_MCU(rt2x00dev, ®)) {
+ rt2x00_set_field32(®, H2M_MAILBOX_CSR_OWNER, 1);
+ rt2x00_set_field32(®, H2M_MAILBOX_CSR_CMD_TOKEN, token);
+ rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG0, arg0);
+ rt2x00_set_field32(®, H2M_MAILBOX_CSR_ARG1, arg1);
+ rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CSR, reg);
- return;
+ rt2x00pci_register_read(rt2x00dev, HOST_CMD_CSR, ®);
+ rt2x00_set_field32(®, HOST_CMD_CSR_HOST_COMMAND, command);
+ rt2x00_set_field32(®, HOST_CMD_CSR_INTERRUPT_MCU, 1);
+ rt2x00pci_register_write(rt2x00dev, HOST_CMD_CSR, reg);
+ }
-exit_fail:
mutex_unlock(&rt2x00dev->csr_mutex);
- ERROR(rt2x00dev,
- "mcu request error. Request 0x%02x failed for token 0x%02x.\n",
- command, token);
}
-#endif /* CONFIG_RT2X00_LIB_LEDS */
static void rt61pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
{
rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
}
+static void rt61pci_config_ps(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_conf *libconf)
+{
+ enum dev_state state =
+ (libconf->conf->flags & IEEE80211_CONF_PS) ?
+ STATE_SLEEP : STATE_AWAKE;
+ u32 reg;
+
+ if (state == STATE_SLEEP) {
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR11, ®);
+ rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN,
+ libconf->conf->beacon_int - 10);
+ rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP,
+ libconf->conf->listen_interval - 1);
+ rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 5);
+
+ /* We must first disable autowake before it can be enabled */
+ rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg);
+
+ rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 1);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg);
+
+ rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000005);
+ rt2x00pci_register_write(rt2x00dev, IO_CNTL_CSR, 0x0000001c);
+ rt2x00pci_register_write(rt2x00dev, PCI_USEC_CSR, 0x00000060);
+
+ rt61pci_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0, 0);
+ } else {
+ rt2x00pci_register_read(rt2x00dev, MAC_CSR11, ®);
+ rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN, 0);
+ rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
+ rt2x00_set_field32(®, MAC_CSR11_AUTOWAKE, 0);
+ rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 0);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR11, reg);
+
+ rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000007);
+ rt2x00pci_register_write(rt2x00dev, IO_CNTL_CSR, 0x00000018);
+ rt2x00pci_register_write(rt2x00dev, PCI_USEC_CSR, 0x00000020);
+
+ rt61pci_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 0);
+ }
+}
+
static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf,
const unsigned int flags)
rt61pci_config_retry_limit(rt2x00dev, libconf);
if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
rt61pci_config_duration(rt2x00dev, libconf);
+ if (flags & IEEE80211_CONF_CHANGE_PS)
+ rt61pci_config_ps(rt2x00dev, libconf);
}
/*
qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
}
-static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+static inline void rt61pci_set_vgc(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, u8 vgc_level)
+{
+ if (qual->vgc_level != vgc_level) {
+ rt61pci_bbp_write(rt2x00dev, 17, vgc_level);
+ qual->vgc_level = vgc_level;
+ qual->vgc_level_reg = vgc_level;
+ }
+}
+
+static void rt61pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual)
{
- rt61pci_bbp_write(rt2x00dev, 17, 0x20);
- rt2x00dev->link.vgc_level = 0x20;
+ rt61pci_set_vgc(rt2x00dev, qual, 0x20);
}
-static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, const u32 count)
{
- int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
- u8 r17;
u8 up_bound;
u8 low_bound;
- rt61pci_bbp_read(rt2x00dev, 17, &r17);
-
/*
* Determine r17 bounds.
*/
/*
* Special big-R17 for very short distance
*/
- if (rssi >= -35) {
- if (r17 != 0x60)
- rt61pci_bbp_write(rt2x00dev, 17, 0x60);
+ if (qual->rssi >= -35) {
+ rt61pci_set_vgc(rt2x00dev, qual, 0x60);
return;
}
/*
* Special big-R17 for short distance
*/
- if (rssi >= -58) {
- if (r17 != up_bound)
- rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ if (qual->rssi >= -58) {
+ rt61pci_set_vgc(rt2x00dev, qual, up_bound);
return;
}
/*
* Special big-R17 for middle-short distance
*/
- if (rssi >= -66) {
- low_bound += 0x10;
- if (r17 != low_bound)
- rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ if (qual->rssi >= -66) {
+ rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x10);
return;
}
/*
* Special mid-R17 for middle distance
*/
- if (rssi >= -74) {
- low_bound += 0x08;
- if (r17 != low_bound)
- rt61pci_bbp_write(rt2x00dev, 17, low_bound);
+ if (qual->rssi >= -74) {
+ rt61pci_set_vgc(rt2x00dev, qual, low_bound + 0x08);
return;
}
* Special case: Change up_bound based on the rssi.
* Lower up_bound when rssi is weaker then -74 dBm.
*/
- up_bound -= 2 * (-74 - rssi);
+ up_bound -= 2 * (-74 - qual->rssi);
if (low_bound > up_bound)
up_bound = low_bound;
- if (r17 > up_bound) {
- rt61pci_bbp_write(rt2x00dev, 17, up_bound);
+ if (qual->vgc_level > up_bound) {
+ rt61pci_set_vgc(rt2x00dev, qual, up_bound);
return;
}
* r17 does not yet exceed upper limit, continue and base
* the r17 tuning on the false CCA count.
*/
- if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
- if (++r17 > up_bound)
- r17 = up_bound;
- rt61pci_bbp_write(rt2x00dev, 17, r17);
- } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
- if (--r17 < low_bound)
- r17 = low_bound;
- rt61pci_bbp_write(rt2x00dev, 17, r17);
- }
+ if ((qual->false_cca > 512) && (qual->vgc_level < up_bound))
+ rt61pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level);
+ else if ((qual->false_cca < 100) && (qual->vgc_level > low_bound))
+ rt61pci_set_vgc(rt2x00dev, qual, --qual->vgc_level);
}
/*
rt2x00_desc_write(txd, 2, word);
if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
- _rt2x00_desc_write(txd, 3, skbdesc->iv);
- _rt2x00_desc_write(txd, 4, skbdesc->eiv);
+ _rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
+ _rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
}
rt2x00_desc_read(txd, 5, &word);
rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_OFDM,
- test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
+ (txdesc->rate_mode == RATE_MODE_OFDM));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
}
if (rxdesc->cipher != CIPHER_NONE) {
- _rt2x00_desc_read(entry_priv->desc, 2, &rxdesc->iv);
- _rt2x00_desc_read(entry_priv->desc, 3, &rxdesc->eiv);
+ _rt2x00_desc_read(entry_priv->desc, 2, &rxdesc->iv[0]);
+ _rt2x00_desc_read(entry_priv->desc, 3, &rxdesc->iv[1]);
+ rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
+
_rt2x00_desc_read(entry_priv->desc, 4, &rxdesc->icv);
+ rxdesc->dev_flags |= RXDONE_CRYPTO_ICV;
/*
* Hardware has stripped IV/EIV data from 802.11 frame during
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_NIC_ENABLE_DIVERSITY, 0);
rt2x00_set_field16(&word, EEPROM_NIC_TX_DIVERSITY, 0);
- rt2x00_set_field16(&word, EEPROM_NIC_TX_RX_FIXED, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_RX_FIXED, 0);
+ rt2x00_set_field16(&word, EEPROM_NIC_TX_FIXED, 0);
rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_BG, 0);
rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
rt2x00_set_field16(&word, EEPROM_NIC_EXTERNAL_LNA_A, 0);
*/
if (rt2x00_rf(&rt2x00dev->chip, RF2529) &&
!test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) {
- switch (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_RX_FIXED)) {
- case 0:
- rt2x00dev->default_ant.tx = ANTENNA_B;
- rt2x00dev->default_ant.rx = ANTENNA_A;
- break;
- case 1:
- rt2x00dev->default_ant.tx = ANTENNA_B;
- rt2x00dev->default_ant.rx = ANTENNA_B;
- break;
- case 2:
- rt2x00dev->default_ant.tx = ANTENNA_A;
- rt2x00dev->default_ant.rx = ANTENNA_A;
- break;
- case 3:
- rt2x00dev->default_ant.tx = ANTENNA_A;
- rt2x00dev->default_ant.rx = ANTENNA_B;
- break;
- }
+ rt2x00dev->default_ant.rx =
+ ANTENNA_A + rt2x00_get_field16(eeprom, EEPROM_NIC_RX_FIXED);
+ rt2x00dev->default_ant.tx =
+ ANTENNA_B - rt2x00_get_field16(eeprom, EEPROM_NIC_TX_FIXED);
if (rt2x00_get_field16(eeprom, EEPROM_NIC_TX_DIVERSITY))
rt2x00dev->default_ant.tx = ANTENNA_SW_DIVERSITY;
*/
rt2x00dev->hw->flags =
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
- IEEE80211_HW_SIGNAL_DBM;
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK;
rt2x00dev->hw->extra_tx_headroom = 0;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
projects / mv-sheeva.git / blobdiff