/*
- Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
/*
* RT2525E and RT5222 need to flip TX I/Q
*/
- if (rt2x00_rf(&rt2x00dev->chip, RF2525E) ||
- rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) {
rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1);
rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1);
rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1);
/*
* RT2525E does not need RX I/Q Flip.
*/
- if (rt2x00_rf(&rt2x00dev->chip, RF2525E))
+ if (rt2x00_rf(rt2x00dev, RF2525E))
rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0);
} else {
rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0);
/*
* For RT2525E we should first set the channel to half band higher.
*/
- if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+ if (rt2x00_rf(rt2x00dev, RF2525E)) {
static const u32 vals[] = {
0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
qual->vgc_level = value;
}
-/*
- * NOTE: This function is directly ported from legacy driver, but
- * despite it being declared it was never called. Although link tuning
- * sounds like a good idea, and usually works well for the other drivers,
- * it does _not_ work with rt2500usb. Enabling this function will result
- * in TX capabilities only until association kicks in. Immediately
- * after the successful association all TX frames will be kept in the
- * hardware queue and never transmitted.
- */
-#if 0
-static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev)
-{
- int rssi = rt2x00_get_link_rssi(&rt2x00dev->link);
- u16 bbp_thresh;
- u16 vgc_bound;
- u16 sens;
- u16 r24;
- u16 r25;
- u16 r61;
- u16 r17_sens;
- u8 r17;
- u8 up_bound;
- u8 low_bound;
-
- /*
- * Read current r17 value, as well as the sensitivity values
- * for the r17 register.
- */
- rt2500usb_bbp_read(rt2x00dev, 17, &r17);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
-
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
- up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
- low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
-
- /*
- * If we are not associated, we should go straight to the
- * dynamic CCA tuning.
- */
- if (!rt2x00dev->intf_associated)
- goto dynamic_cca_tune;
-
- /*
- * Determine the BBP tuning threshold and correctly
- * set BBP 24, 25 and 61.
- */
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh);
- bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD);
-
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61);
-
- if ((rssi + bbp_thresh) > 0) {
- r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH);
- r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH);
- r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH);
- } else {
- r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW);
- r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW);
- r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW);
- }
-
- rt2500usb_bbp_write(rt2x00dev, 24, r24);
- rt2500usb_bbp_write(rt2x00dev, 25, r25);
- rt2500usb_bbp_write(rt2x00dev, 61, r61);
-
- /*
- * A too low RSSI will cause too much false CCA which will
- * then corrupt the R17 tuning. To remidy this the tuning should
- * be stopped (While making sure the R17 value will not exceed limits)
- */
- if (rssi >= -40) {
- if (r17 != 0x60)
- rt2500usb_bbp_write(rt2x00dev, 17, 0x60);
- return;
- }
-
- /*
- * Special big-R17 for short distance
- */
- if (rssi >= -58) {
- sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW);
- if (r17 != sens)
- rt2500usb_bbp_write(rt2x00dev, 17, sens);
- return;
- }
-
- /*
- * Special mid-R17 for middle distance
- */
- if (rssi >= -74) {
- sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH);
- if (r17 != sens)
- rt2500usb_bbp_write(rt2x00dev, 17, sens);
- return;
- }
-
- /*
- * Leave short or middle distance condition, restore r17
- * to the dynamic tuning range.
- */
- low_bound = 0x32;
- if (rssi < -77)
- up_bound -= (-77 - rssi);
-
- if (up_bound < low_bound)
- up_bound = low_bound;
-
- if (r17 > up_bound) {
- rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
- rt2x00dev->link.vgc_level = up_bound;
- return;
- }
-
-dynamic_cca_tune:
-
- /*
- * R17 is inside the dynamic tuning range,
- * start tuning the link based on the false cca counter.
- */
- if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
- rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
- rt2x00dev->link.vgc_level = r17;
- } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
- rt2500usb_bbp_write(rt2x00dev, 17, --r17);
- rt2x00dev->link.vgc_level = r17;
- }
-}
-#else
-#define rt2500usb_link_tuner NULL
-#endif
-
/*
* Initialization functions.
*/
rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1);
rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
- if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) {
+ if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) {
rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®);
rt2x00_set_field16(®, PHY_CSR2_LNA, 0);
} else {
rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®);
rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
- if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0) ||
- rt2x00_check_rev(&rt2x00dev->chip, 0x0000000f, 0)) {
-
+ if (!rt2x00_check_rev(rt2x00dev, 0x000ffff0, 0) ||
+ rt2x00_check_rev(rt2x00dev, 0x0000000f, 0)) {
ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
return -ENODEV;
}
- if (!rt2x00_rf(&rt2x00dev->chip, RF2522) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2523) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2524) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2525) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2525E) &&
- !rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ if (!rt2x00_rf(rt2x00dev, RF2522) &&
+ !rt2x00_rf(rt2x00dev, RF2523) &&
+ !rt2x00_rf(rt2x00dev, RF2524) &&
+ !rt2x00_rf(rt2x00dev, RF2525) &&
+ !rt2x00_rf(rt2x00dev, RF2525E) &&
+ !rt2x00_rf(rt2x00dev, RF5222)) {
ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
return -ENODEV;
}
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
-
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
rt2x00_eeprom_addr(rt2x00dev,
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
- if (rt2x00_rf(&rt2x00dev->chip, RF2522)) {
+ if (rt2x00_rf(rt2x00dev, RF2522)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522);
spec->channels = rf_vals_bg_2522;
- } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) {
+ } else if (rt2x00_rf(rt2x00dev, RF2523)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523);
spec->channels = rf_vals_bg_2523;
- } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) {
+ } else if (rt2x00_rf(rt2x00dev, RF2524)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524);
spec->channels = rf_vals_bg_2524;
- } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) {
+ } else if (rt2x00_rf(rt2x00dev, RF2525)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525);
spec->channels = rf_vals_bg_2525;
- } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+ } else if (rt2x00_rf(rt2x00dev, RF2525E)) {
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
spec->channels = rf_vals_bg_2525e;
- } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
+ } else if (rt2x00_rf(rt2x00dev, RF5222)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_5222);
spec->channels = rf_vals_5222;
.get_stats = rt2x00mac_get_stats,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
- .get_tx_stats = rt2x00mac_get_tx_stats,
.rfkill_poll = rt2x00mac_rfkill_poll,
};
.rfkill_poll = rt2500usb_rfkill_poll,
.link_stats = rt2500usb_link_stats,
.reset_tuner = rt2500usb_reset_tuner,
- .link_tuner = rt2500usb_link_tuner,
.write_tx_desc = rt2500usb_write_tx_desc,
.write_tx_data = rt2x00usb_write_tx_data,
.write_beacon = rt2500usb_write_beacon,
};
static const struct rt2x00_ops rt2500usb_ops = {
- .name = KBUILD_MODNAME,
- .max_sta_intf = 1,
- .max_ap_intf = 1,
- .eeprom_size = EEPROM_SIZE,
- .rf_size = RF_SIZE,
- .tx_queues = NUM_TX_QUEUES,
- .rx = &rt2500usb_queue_rx,
- .tx = &rt2500usb_queue_tx,
- .bcn = &rt2500usb_queue_bcn,
- .atim = &rt2500usb_queue_atim,
- .lib = &rt2500usb_rt2x00_ops,
- .hw = &rt2500usb_mac80211_ops,
+ .name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 1,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXD_DESC_SIZE,
+ .rx = &rt2500usb_queue_rx,
+ .tx = &rt2500usb_queue_tx,
+ .bcn = &rt2500usb_queue_bcn,
+ .atim = &rt2500usb_queue_atim,
+ .lib = &rt2500usb_rt2x00_ops,
+ .hw = &rt2500usb_mac80211_ops,
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
- .debugfs = &rt2500usb_rt2x00debug,
+ .debugfs = &rt2500usb_rt2x00debug,
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
};
projects / ~andy / linux / blobdiff