-/* 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
#include "zd_def.h"
#include "zd_chip.h"
-#include "zd_ieee80211.h"
#include "zd_mac.h"
#include "zd_rf.h"
-#include "zd_util.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);
}
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]);
}
{
int r;
int i;
- zd_addr_t *a16 = (zd_addr_t *)NULL;
+ zd_addr_t *a16;
u16 *v16;
unsigned int count16;
return r;
}
-/* MAC address: if custom mac addresses are to to be used CR_MAC_ADDR_P1 and
+/* MAC address: if custom mac addresses are to be used CR_MAC_ADDR_P1 and
* CR_MAC_ADDR_P2 must be overwritten
*/
int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
[1] = { .addr = CR_MAC_ADDR_P2 },
};
- 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 " MAC_FMT "\n", MAC_ARG(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 %pM\n", 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));
return r;
}
- dev_dbg_f(zd_chip_dev(chip),
- "CR_REG1: 0x%02x -> 0x%02x\n", tmp, tmp & ~UNLOCK_PHY_REGS);
tmp &= ~UNLOCK_PHY_REGS;
r = zd_iowrite32_locked(chip, tmp, CR_REG1);
return r;
}
- dev_dbg_f(zd_chip_dev(chip),
- "CR_REG1: 0x%02x -> 0x%02x\n", tmp, tmp | UNLOCK_PHY_REGS);
tmp |= UNLOCK_PHY_REGS;
r = zd_iowrite32_locked(chip, tmp, CR_REG1);
{
static const struct zd_ioreq32 ioreqs[] = {
{ CR_ZD1211B_RETRY_MAX, 0x02020202 },
- { CR_ZD1211B_TX_PWR_CTL4, 0x007f003f },
- { CR_ZD1211B_TX_PWR_CTL3, 0x007f003f },
- { CR_ZD1211B_TX_PWR_CTL2, 0x003f001f },
- { CR_ZD1211B_TX_PWR_CTL1, 0x001f000f },
+ { CR_ZD1211B_CWIN_MAX_MIN_AC0, 0x007f003f },
+ { CR_ZD1211B_CWIN_MAX_MIN_AC1, 0x007f003f },
+ { CR_ZD1211B_CWIN_MAX_MIN_AC2, 0x003f001f },
+ { CR_ZD1211B_CWIN_MAX_MIN_AC3, 0x001f000f },
{ CR_ZD1211B_AIFS_CTL1, 0x00280028 },
{ CR_ZD1211B_AIFS_CTL2, 0x008C003C },
{ CR_ZD1211B_TXOP, 0x01800824 },
{ CR_AFTER_PNP, 0x1 },
{ CR_WEP_PROTECT, 0x114 },
{ CR_IFS_VALUE, IFS_VALUE_DEFAULT },
+ { CR_CAM_MODE, MODE_AP_WDS},
};
ZD_ASSERT(mutex_is_locked(&chip->mutex));
s->atim_wnd_period = values[0];
s->pre_tbtt = values[1];
s->beacon_interval = values[2];
- dev_dbg_f(zd_chip_dev(chip), "aw %u pt %u bi %u\n",
- s->atim_wnd_period, s->pre_tbtt, s->beacon_interval);
return 0;
}
reqs[2].addr = CR_BCN_INTERVAL;
reqs[2].value = s->beacon_interval;
- dev_dbg_f(zd_chip_dev(chip),
- "aw %u pt %u bi %u\n", s->atim_wnd_period, s->pre_tbtt,
- s->beacon_interval);
return zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
}
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 gmode)
{
u32 rates;
ZD_ASSERT(mutex_is_locked(&chip->mutex));
* that the device is supporting. Until further notice we should try
* to support 802.11g also for full speed USB.
*/
- switch (std) {
- case IEEE80211B:
+ if (!gmode)
rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M;
- break;
- case IEEE80211G:
+ else
rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M|
CR_RATE_6M|CR_RATE_12M|CR_RATE_24M;
- break;
- default:
- return -EINVAL;
- }
+
return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL);
}
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_CS_TYPE(rts_rate) == ZD_CS_OFDM)
- rts_mod = ZD_RX_OFDM;
-
- dev_dbg_f(zd_chip_dev(chip), "rts_rate=%x preamble=%x\n",
- rts_rate, preamble);
-
- value |= 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. */
- value |= ZD_CCK_RATE_11M << RTSCTS_SH_CTS_RATE;
+ /* 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;
return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE);
* 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, 1);
if (r)
goto out;
/* Disabling interrupts is certainly a smart thing here.
static int update_pwr_int(struct zd_chip *chip, u8 channel)
{
u8 value = chip->pwr_int_values[channel - 1];
- dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_int %#04x\n",
- channel, value);
return zd_iowrite16_locked(chip, value, CR31);
}
static int update_pwr_cal(struct zd_chip *chip, u8 channel)
{
u8 value = chip->pwr_cal_values[channel-1];
- dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_cal %#04x\n",
- channel, value);
return zd_iowrite16_locked(chip, value, CR68);
}
ioreqs[2].addr = CR65;
ioreqs[2].value = chip->ofdm_cal_values[OFDM_54M_INDEX][channel-1];
- dev_dbg_f(zd_chip_dev(chip),
- "channel %d ofdm_cal 36M %#04x 48M %#04x 54M %#04x\n",
- channel, ioreqs[0].value, ioreqs[1].value, ioreqs[2].value);
return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
other_led = chip->link_led == LED1 ? LED2 : LED1;
switch (status) {
- case LED_OFF:
+ case ZD_LED_OFF:
ioreqs[0].value = FW_LINK_OFF;
ioreqs[1].value = v[1] & ~(LED1|LED2);
break;
- case LED_SCANNING:
+ case ZD_LED_SCANNING:
ioreqs[0].value = FW_LINK_OFF;
ioreqs[1].value = v[1] & ~other_led;
if (get_seconds() % 3 == 0) {
ioreqs[1].value |= chip->link_led;
}
break;
- case LED_ASSOCIATED:
+ case ZD_LED_ASSOCIATED:
ioreqs[0].value = FW_LINK_TX;
ioreqs[1].value = v[1] & ~other_led;
ioreqs[1].value |= chip->link_led;
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 rate, unsigned int size)
+static int ofdm_qual_db(u8 status_quality, u8 zd_rate, unsigned int size)
{
static const u16 constants[] = {
715, 655, 585, 540, 470, 410, 360, 315,
/* It seems that their quality parameter is somehow per signal
* and is now transferred per bit.
*/
- switch (rate) {
+ switch (zd_rate) {
case ZD_OFDM_RATE_6M:
case ZD_OFDM_RATE_12M:
case ZD_OFDM_RATE_24M:
break;
}
- switch (rate) {
+ switch (zd_rate) {
case ZD_OFDM_RATE_6M:
case ZD_OFDM_RATE_9M:
i += 3;
return i;
}
-static int ofdm_qual_percent(u8 status_quality, u8 rate, unsigned int size)
+static int ofdm_qual_percent(u8 status_quality, u8 zd_rate, unsigned int size)
{
int r;
- r = ofdm_qual_db(status_quality, rate, size);
+ r = ofdm_qual_db(status_quality, zd_rate, size);
ZD_ASSERT(r >= 0);
if (r < 0)
r = 0;
return r <= 100 ? r : 100;
}
+static inline u8 zd_rate_from_ofdm_plcp_header(const void *rx_frame)
+{
+ return ZD_OFDM | zd_ofdm_plcp_header_rate(rx_frame);
+}
+
u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
const struct rx_status *status)
{
return (status->frame_status&ZD_RX_OFDM) ?
ofdm_qual_percent(status->signal_quality_ofdm,
- zd_ofdm_plcp_header_rate(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_RATE_6M] = 60,
- [ZD_OFDM_RATE_9M] = 90,
- [ZD_OFDM_RATE_12M] = 120,
- [ZD_OFDM_RATE_18M] = 180,
- [ZD_OFDM_RATE_24M] = 240,
- [ZD_OFDM_RATE_36M] = 360,
- [ZD_OFDM_RATE_48M] = 480,
- [ZD_OFDM_RATE_54M] = 540,
- };
- u16 rate;
+ u8 zd_rate;
if (status->frame_status & ZD_RX_OFDM) {
- 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 {
- u8 cck_rate = zd_cck_plcp_header_rate(rx_frame);
- switch (cck_rate) {
- case ZD_CCK_SIGNAL_1M:
- rate = 10;
+ switch (zd_cck_plcp_header_signal(rx_frame)) {
+ case ZD_CCK_PLCP_SIGNAL_1M:
+ zd_rate = ZD_CCK_RATE_1M;
break;
- case ZD_CCK_SIGNAL_2M:
- rate = 20;
+ case ZD_CCK_PLCP_SIGNAL_2M:
+ zd_rate = ZD_CCK_RATE_2M;
break;
- case ZD_CCK_SIGNAL_5M5:
- rate = 55;
+ case ZD_CCK_PLCP_SIGNAL_5M5:
+ zd_rate = ZD_CCK_RATE_5_5M;
break;
- case ZD_CCK_SIGNAL_11M:
- rate = 110;
+ case ZD_CCK_PLCP_SIGNAL_11M:
+ 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)
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);
}
{ CR_GROUP_HASH_P2, hash->high },
};
- dev_dbg_f(zd_chip_dev(chip), "hash l 0x%08x h 0x%08x\n",
- ioreqs[0].value, ioreqs[1].value);
return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
+
+u64 zd_chip_get_tsf(struct zd_chip *chip)
+{
+ int r;
+ static const zd_addr_t aw_pt_bi_addr[] =
+ { CR_TSF_LOW_PART, CR_TSF_HIGH_PART };
+ u32 values[2];
+ u64 tsf;
+
+ mutex_lock(&chip->mutex);
+ r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
+ ARRAY_SIZE(aw_pt_bi_addr));
+ mutex_unlock(&chip->mutex);
+ if (r)
+ return 0;
+
+ tsf = values[1];
+ tsf = (tsf << 32) | values[0];
+
+ return tsf;
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff