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path: root/drivers/net/wireless/zd1211rw/zd_chip.c
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Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_chip.c')
-rw-r--r--drivers/net/wireless/zd1211rw/zd_chip.c126
1 files changed, 60 insertions, 66 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index f831b68f1b9..99e5b03b3f5 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -1,4 +1,7 @@
-/* zd_chip.c
+/* ZD1211 USB-WLAN driver for Linux
+ *
+ * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
+ * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -30,12 +33,12 @@
#include "zd_rf.h"
void zd_chip_init(struct zd_chip *chip,
- struct net_device *netdev,
+ struct ieee80211_hw *hw,
struct usb_interface *intf)
{
memset(chip, 0, sizeof(*chip));
mutex_init(&chip->mutex);
- zd_usb_init(&chip->usb, netdev, intf);
+ zd_usb_init(&chip->usb, hw, intf);
zd_rf_init(&chip->rf);
}
@@ -50,7 +53,7 @@ void zd_chip_clear(struct zd_chip *chip)
static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size)
{
- u8 *addr = zd_usb_to_netdev(&chip->usb)->dev_addr;
+ u8 *addr = zd_mac_get_perm_addr(zd_chip_to_mac(chip));
return scnprintf(buffer, size, "%02x-%02x-%02x",
addr[0], addr[1], addr[2]);
}
@@ -378,15 +381,18 @@ int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
};
DECLARE_MAC_BUF(mac);
- reqs[0].value = (mac_addr[3] << 24)
- | (mac_addr[2] << 16)
- | (mac_addr[1] << 8)
- | mac_addr[0];
- reqs[1].value = (mac_addr[5] << 8)
- | mac_addr[4];
-
- dev_dbg_f(zd_chip_dev(chip),
- "mac addr %s\n", print_mac(mac, mac_addr));
+ if (mac_addr) {
+ reqs[0].value = (mac_addr[3] << 24)
+ | (mac_addr[2] << 16)
+ | (mac_addr[1] << 8)
+ | mac_addr[0];
+ reqs[1].value = (mac_addr[5] << 8)
+ | mac_addr[4];
+ dev_dbg_f(zd_chip_dev(chip),
+ "mac addr %s\n", print_mac(mac, mac_addr));
+ } else {
+ dev_dbg_f(zd_chip_dev(chip), "set NULL mac\n");
+ }
mutex_lock(&chip->mutex);
r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
@@ -980,7 +986,7 @@ static int print_fw_version(struct zd_chip *chip)
return 0;
}
-static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std)
+static int set_mandatory_rates(struct zd_chip *chip, int mode)
{
u32 rates;
ZD_ASSERT(mutex_is_locked(&chip->mutex));
@@ -988,11 +994,11 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std)
* that the device is supporting. Until further notice we should try
* to support 802.11g also for full speed USB.
*/
- switch (std) {
- case IEEE80211B:
+ switch (mode) {
+ case MODE_IEEE80211B:
rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M;
break;
- case IEEE80211G:
+ case MODE_IEEE80211G:
rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M|
CR_RATE_6M|CR_RATE_12M|CR_RATE_24M;
break;
@@ -1003,24 +1009,17 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std)
}
int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
- u8 rts_rate, int preamble)
+ int preamble)
{
- int rts_mod = ZD_RX_CCK;
u32 value = 0;
- /* Modulation bit */
- if (ZD_MODULATION_TYPE(rts_rate) == ZD_OFDM)
- rts_mod = ZD_RX_OFDM;
-
- dev_dbg_f(zd_chip_dev(chip), "rts_rate=%x preamble=%x\n",
- rts_rate, preamble);
-
- value |= ZD_PURE_RATE(rts_rate) << RTSCTS_SH_RTS_RATE;
- value |= rts_mod << RTSCTS_SH_RTS_MOD_TYPE;
+ dev_dbg_f(zd_chip_dev(chip), "preamble=%x\n", preamble);
value |= preamble << RTSCTS_SH_RTS_PMB_TYPE;
value |= preamble << RTSCTS_SH_CTS_PMB_TYPE;
- /* We always send 11M self-CTS messages, like the vendor driver. */
+ /* We always send 11M RTS/self-CTS messages, like the vendor driver. */
+ value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_RTS_RATE;
+ value |= ZD_RX_CCK << RTSCTS_SH_RTS_MOD_TYPE;
value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_CTS_RATE;
value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE;
@@ -1109,7 +1108,7 @@ int zd_chip_init_hw(struct zd_chip *chip)
* It might be discussed, whether we should suppport pure b mode for
* full speed USB.
*/
- r = set_mandatory_rates(chip, IEEE80211G);
+ r = set_mandatory_rates(chip, MODE_IEEE80211G);
if (r)
goto out;
/* Disabling interrupts is certainly a smart thing here.
@@ -1320,12 +1319,17 @@ out:
return r;
}
-int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates)
+int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
{
- ZD_ASSERT((cr_rates & ~(CR_RATES_80211B | CR_RATES_80211G)) == 0);
- dev_dbg_f(zd_chip_dev(chip), "%x\n", cr_rates);
+ int r;
+
+ if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G))
+ return -EINVAL;
- return zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
+ mutex_lock(&chip->mutex);
+ r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
+ mutex_unlock(&chip->mutex);
+ return r;
}
static int ofdm_qual_db(u8 status_quality, u8 zd_rate, unsigned int size)
@@ -1468,56 +1472,44 @@ u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
{
return (status->frame_status&ZD_RX_OFDM) ?
ofdm_qual_percent(status->signal_quality_ofdm,
- zd_rate_from_ofdm_plcp_header(rx_frame),
+ zd_rate_from_ofdm_plcp_header(rx_frame),
size) :
cck_qual_percent(status->signal_quality_cck);
}
-u8 zd_rx_strength_percent(u8 rssi)
-{
- int r = (rssi*100) / 41;
- if (r > 100)
- r = 100;
- return (u8) r;
-}
-
-u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status)
+/**
+ * zd_rx_rate - report zd-rate
+ * @rx_frame - received frame
+ * @rx_status - rx_status as given by the device
+ *
+ * This function converts the rate as encoded in the received packet to the
+ * zd-rate, we are using on other places in the driver.
+ */
+u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status)
{
- static const u16 ofdm_rates[] = {
- [ZD_OFDM_PLCP_RATE_6M] = 60,
- [ZD_OFDM_PLCP_RATE_9M] = 90,
- [ZD_OFDM_PLCP_RATE_12M] = 120,
- [ZD_OFDM_PLCP_RATE_18M] = 180,
- [ZD_OFDM_PLCP_RATE_24M] = 240,
- [ZD_OFDM_PLCP_RATE_36M] = 360,
- [ZD_OFDM_PLCP_RATE_48M] = 480,
- [ZD_OFDM_PLCP_RATE_54M] = 540,
- };
- u16 rate;
+ u8 zd_rate;
if (status->frame_status & ZD_RX_OFDM) {
- /* Deals with PLCP OFDM rate (not zd_rates) */
- u8 ofdm_rate = zd_ofdm_plcp_header_rate(rx_frame);
- rate = ofdm_rates[ofdm_rate & 0xf];
+ zd_rate = zd_rate_from_ofdm_plcp_header(rx_frame);
} else {
switch (zd_cck_plcp_header_signal(rx_frame)) {
case ZD_CCK_PLCP_SIGNAL_1M:
- rate = 10;
+ zd_rate = ZD_CCK_RATE_1M;
break;
case ZD_CCK_PLCP_SIGNAL_2M:
- rate = 20;
+ zd_rate = ZD_CCK_RATE_2M;
break;
case ZD_CCK_PLCP_SIGNAL_5M5:
- rate = 55;
+ zd_rate = ZD_CCK_RATE_5_5M;
break;
case ZD_CCK_PLCP_SIGNAL_11M:
- rate = 110;
+ zd_rate = ZD_CCK_RATE_11M;
break;
default:
- rate = 0;
+ zd_rate = 0;
}
}
- return rate;
+ return zd_rate;
}
int zd_chip_switch_radio_on(struct zd_chip *chip)
@@ -1557,20 +1549,22 @@ void zd_chip_disable_int(struct zd_chip *chip)
mutex_unlock(&chip->mutex);
}
-int zd_chip_enable_rx(struct zd_chip *chip)
+int zd_chip_enable_rxtx(struct zd_chip *chip)
{
int r;
mutex_lock(&chip->mutex);
+ zd_usb_enable_tx(&chip->usb);
r = zd_usb_enable_rx(&chip->usb);
mutex_unlock(&chip->mutex);
return r;
}
-void zd_chip_disable_rx(struct zd_chip *chip)
+void zd_chip_disable_rxtx(struct zd_chip *chip)
{
mutex_lock(&chip->mutex);
zd_usb_disable_rx(&chip->usb);
+ zd_usb_disable_tx(&chip->usb);
mutex_unlock(&chip->mutex);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-05 22:13:55 +0000