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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c3861
1 files changed, 3861 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
new file mode 100644
index 00000000000..24299e65fdc
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -0,0 +1,3861 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/io.h>
+#include <asm/unaligned.h>
+
+#include "ath9k.h"
+#include "initvals.h"
+
+static int btcoex_enable;
+module_param(btcoex_enable, bool, 0);
+MODULE_PARM_DESC(btcoex_enable, "Enable Bluetooth coexistence support");
+
+#define ATH9K_CLOCK_RATE_CCK 22
+#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
+#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
+
+static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
+static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
+ enum ath9k_ht_macmode macmode);
+static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
+ struct ar5416_eeprom_def *pEepData,
+ u32 reg, u32 value);
+static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
+static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan);
+
+/********************/
+/* Helper Functions */
+/********************/
+
+static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
+{
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+
+ if (!ah->curchan) /* should really check for CCK instead */
+ return clks / ATH9K_CLOCK_RATE_CCK;
+ if (conf->channel->band == IEEE80211_BAND_2GHZ)
+ return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
+
+ return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
+}
+
+static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
+{
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+
+ if (conf_is_ht40(conf))
+ return ath9k_hw_mac_usec(ah, clks) / 2;
+ else
+ return ath9k_hw_mac_usec(ah, clks);
+}
+
+static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
+{
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+
+ if (!ah->curchan) /* should really check for CCK instead */
+ return usecs *ATH9K_CLOCK_RATE_CCK;
+ if (conf->channel->band == IEEE80211_BAND_2GHZ)
+ return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
+ return usecs *ATH9K_CLOCK_RATE_5GHZ_OFDM;
+}
+
+static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
+{
+ struct ieee80211_conf *conf = &ah->ah_sc->hw->conf;
+
+ if (conf_is_ht40(conf))
+ return ath9k_hw_mac_clks(ah, usecs) * 2;
+ else
+ return ath9k_hw_mac_clks(ah, usecs);
+}
+
+bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
+{
+ int i;
+
+ BUG_ON(timeout < AH_TIME_QUANTUM);
+
+ for (i = 0; i < (timeout / AH_TIME_QUANTUM); i++) {
+ if ((REG_READ(ah, reg) & mask) == val)
+ return true;
+
+ udelay(AH_TIME_QUANTUM);
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
+ timeout, reg, REG_READ(ah, reg), mask, val);
+
+ return false;
+}
+
+u32 ath9k_hw_reverse_bits(u32 val, u32 n)
+{
+ u32 retval;
+ int i;
+
+ for (i = 0, retval = 0; i < n; i++) {
+ retval = (retval << 1) | (val & 1);
+ val >>= 1;
+ }
+ return retval;
+}
+
+bool ath9k_get_channel_edges(struct ath_hw *ah,
+ u16 flags, u16 *low,
+ u16 *high)
+{
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+ if (flags & CHANNEL_5GHZ) {
+ *low = pCap->low_5ghz_chan;
+ *high = pCap->high_5ghz_chan;
+ return true;
+ }
+ if ((flags & CHANNEL_2GHZ)) {
+ *low = pCap->low_2ghz_chan;
+ *high = pCap->high_2ghz_chan;
+ return true;
+ }
+ return false;
+}
+
+u16 ath9k_hw_computetxtime(struct ath_hw *ah,
+ struct ath_rate_table *rates,
+ u32 frameLen, u16 rateix,
+ bool shortPreamble)
+{
+ u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
+ u32 kbps;
+
+ kbps = rates->info[rateix].ratekbps;
+
+ if (kbps == 0)
+ return 0;
+
+ switch (rates->info[rateix].phy) {
+ case WLAN_RC_PHY_CCK:
+ phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
+ if (shortPreamble && rates->info[rateix].short_preamble)
+ phyTime >>= 1;
+ numBits = frameLen << 3;
+ txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
+ break;
+ case WLAN_RC_PHY_OFDM:
+ if (ah->curchan && IS_CHAN_QUARTER_RATE(ah->curchan)) {
+ bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000;
+ numBits = OFDM_PLCP_BITS + (frameLen << 3);
+ numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
+ txTime = OFDM_SIFS_TIME_QUARTER
+ + OFDM_PREAMBLE_TIME_QUARTER
+ + (numSymbols * OFDM_SYMBOL_TIME_QUARTER);
+ } else if (ah->curchan &&
+ IS_CHAN_HALF_RATE(ah->curchan)) {
+ bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_HALF) / 1000;
+ numBits = OFDM_PLCP_BITS + (frameLen << 3);
+ numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
+ txTime = OFDM_SIFS_TIME_HALF +
+ OFDM_PREAMBLE_TIME_HALF
+ + (numSymbols * OFDM_SYMBOL_TIME_HALF);
+ } else {
+ bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000;
+ numBits = OFDM_PLCP_BITS + (frameLen << 3);
+ numSymbols = DIV_ROUND_UP(numBits, bitsPerSymbol);
+ txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME
+ + (numSymbols * OFDM_SYMBOL_TIME);
+ }
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Unknown phy %u (rate ix %u)\n",
+ rates->info[rateix].phy, rateix);
+ txTime = 0;
+ break;
+ }
+
+ return txTime;
+}
+
+void ath9k_hw_get_channel_centers(struct ath_hw *ah,
+ struct ath9k_channel *chan,
+ struct chan_centers *centers)
+{
+ int8_t extoff;
+
+ if (!IS_CHAN_HT40(chan)) {
+ centers->ctl_center = centers->ext_center =
+ centers->synth_center = chan->channel;
+ return;
+ }
+
+ if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
+ (chan->chanmode == CHANNEL_G_HT40PLUS)) {
+ centers->synth_center =
+ chan->channel + HT40_CHANNEL_CENTER_SHIFT;
+ extoff = 1;
+ } else {
+ centers->synth_center =
+ chan->channel - HT40_CHANNEL_CENTER_SHIFT;
+ extoff = -1;
+ }
+
+ centers->ctl_center =
+ centers->synth_center - (extoff * HT40_CHANNEL_CENTER_SHIFT);
+ centers->ext_center =
+ centers->synth_center + (extoff *
+ ((ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_20) ?
+ HT40_CHANNEL_CENTER_SHIFT : 15));
+}
+
+/******************/
+/* Chip Revisions */
+/******************/
+
+static void ath9k_hw_read_revisions(struct ath_hw *ah)
+{
+ u32 val;
+
+ val = REG_READ(ah, AR_SREV) & AR_SREV_ID;
+
+ if (val == 0xFF) {
+ val = REG_READ(ah, AR_SREV);
+ ah->hw_version.macVersion =
+ (val & AR_SREV_VERSION2) >> AR_SREV_TYPE2_S;
+ ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
+ ah->is_pciexpress = (val & AR_SREV_TYPE2_HOST_MODE) ? 0 : 1;
+ } else {
+ if (!AR_SREV_9100(ah))
+ ah->hw_version.macVersion = MS(val, AR_SREV_VERSION);
+
+ ah->hw_version.macRev = val & AR_SREV_REVISION;
+
+ if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE)
+ ah->is_pciexpress = true;
+ }
+}
+
+static int ath9k_hw_get_radiorev(struct ath_hw *ah)
+{
+ u32 val;
+ int i;
+
+ REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
+
+ for (i = 0; i < 8; i++)
+ REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
+ val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
+ val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
+
+ return ath9k_hw_reverse_bits(val, 8);
+}
+
+/************************************/
+/* HW Attach, Detach, Init Routines */
+/************************************/
+
+static void ath9k_hw_disablepcie(struct ath_hw *ah)
+{
+ if (AR_SREV_9100(ah))
+ return;
+
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x28000029);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x57160824);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x25980579);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x00000000);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x000e1007);
+
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+}
+
+static bool ath9k_hw_chip_test(struct ath_hw *ah)
+{
+ u32 regAddr[2] = { AR_STA_ID0, AR_PHY_BASE + (8 << 2) };
+ u32 regHold[2];
+ u32 patternData[4] = { 0x55555555,
+ 0xaaaaaaaa,
+ 0x66666666,
+ 0x99999999 };
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ u32 addr = regAddr[i];
+ u32 wrData, rdData;
+
+ regHold[i] = REG_READ(ah, addr);
+ for (j = 0; j < 0x100; j++) {
+ wrData = (j << 16) | j;
+ REG_WRITE(ah, addr, wrData);
+ rdData = REG_READ(ah, addr);
+ if (rdData != wrData) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "address test failed "
+ "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
+ addr, wrData, rdData);
+ return false;
+ }
+ }
+ for (j = 0; j < 4; j++) {
+ wrData = patternData[j];
+ REG_WRITE(ah, addr, wrData);
+ rdData = REG_READ(ah, addr);
+ if (wrData != rdData) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "address test failed "
+ "addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
+ addr, wrData, rdData);
+ return false;
+ }
+ }
+ REG_WRITE(ah, regAddr[i], regHold[i]);
+ }
+ udelay(100);
+
+ return true;
+}
+
+static const char *ath9k_hw_devname(u16 devid)
+{
+ switch (devid) {
+ case AR5416_DEVID_PCI:
+ return "Atheros 5416";
+ case AR5416_DEVID_PCIE:
+ return "Atheros 5418";
+ case AR9160_DEVID_PCI:
+ return "Atheros 9160";
+ case AR5416_AR9100_DEVID:
+ return "Atheros 9100";
+ case AR9280_DEVID_PCI:
+ case AR9280_DEVID_PCIE:
+ return "Atheros 9280";
+ case AR9285_DEVID_PCIE:
+ return "Atheros 9285";
+ }
+
+ return NULL;
+}
+
+static void ath9k_hw_set_defaults(struct ath_hw *ah)
+{
+ int i;
+
+ ah->config.dma_beacon_response_time = 2;
+ ah->config.sw_beacon_response_time = 10;
+ ah->config.additional_swba_backoff = 0;
+ ah->config.ack_6mb = 0x0;
+ ah->config.cwm_ignore_extcca = 0;
+ ah->config.pcie_powersave_enable = 0;
+ ah->config.pcie_clock_req = 0;
+ ah->config.pcie_waen = 0;
+ ah->config.analog_shiftreg = 1;
+ ah->config.ht_enable = 1;
+ ah->config.ofdm_trig_low = 200;
+ ah->config.ofdm_trig_high = 500;
+ ah->config.cck_trig_high = 200;
+ ah->config.cck_trig_low = 100;
+ ah->config.enable_ani = 1;
+ ah->config.diversity_control = 0;
+ ah->config.antenna_switch_swap = 0;
+
+ for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+ ah->config.spurchans[i][0] = AR_NO_SPUR;
+ ah->config.spurchans[i][1] = AR_NO_SPUR;
+ }
+
+ ah->config.intr_mitigation = true;
+
+ /*
+ * We need this for PCI devices only (Cardbus, PCI, miniPCI)
+ * _and_ if on non-uniprocessor systems (Multiprocessor/HT).
+ * This means we use it for all AR5416 devices, and the few
+ * minor PCI AR9280 devices out there.
+ *
+ * Serialization is required because these devices do not handle
+ * well the case of two concurrent reads/writes due to the latency
+ * involved. During one read/write another read/write can be issued
+ * on another CPU while the previous read/write may still be working
+ * on our hardware, if we hit this case the hardware poops in a loop.
+ * We prevent this by serializing reads and writes.
+ *
+ * This issue is not present on PCI-Express devices or pre-AR5416
+ * devices (legacy, 802.11abg).
+ */
+ if (num_possible_cpus() > 1)
+ ah->config.serialize_regmode = SER_REG_MODE_AUTO;
+}
+
+static struct ath_hw *ath9k_hw_newstate(u16 devid, struct ath_softc *sc,
+ int *status)
+{
+ struct ath_hw *ah;
+
+ ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
+ if (ah == NULL) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Cannot allocate memory for state block\n");
+ *status = -ENOMEM;
+ return NULL;
+ }
+
+ ah->ah_sc = sc;
+ ah->hw_version.magic = AR5416_MAGIC;
+ ah->regulatory.country_code = CTRY_DEFAULT;
+ ah->hw_version.devid = devid;
+ ah->hw_version.subvendorid = 0;
+
+ ah->ah_flags = 0;
+ if ((devid == AR5416_AR9100_DEVID))
+ ah->hw_version.macVersion = AR_SREV_VERSION_9100;
+ if (!AR_SREV_9100(ah))
+ ah->ah_flags = AH_USE_EEPROM;
+
+ ah->regulatory.power_limit = MAX_RATE_POWER;
+ ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
+ ah->atim_window = 0;
+ ah->diversity_control = ah->config.diversity_control;
+ ah->antenna_switch_swap =
+ ah->config.antenna_switch_swap;
+ ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
+ ah->beacon_interval = 100;
+ ah->enable_32kHz_clock = DONT_USE_32KHZ;
+ ah->slottime = (u32) -1;
+ ah->acktimeout = (u32) -1;
+ ah->ctstimeout = (u32) -1;
+ ah->globaltxtimeout = (u32) -1;
+
+ ah->gbeacon_rate = 0;
+
+ return ah;
+}
+
+static int ath9k_hw_rfattach(struct ath_hw *ah)
+{
+ bool rfStatus = false;
+ int ecode = 0;
+
+ rfStatus = ath9k_hw_init_rf(ah, &ecode);
+ if (!rfStatus) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "RF setup failed, status: %u\n", ecode);
+ return ecode;
+ }
+
+ return 0;
+}
+
+static int ath9k_hw_rf_claim(struct ath_hw *ah)
+{
+ u32 val;
+
+ REG_WRITE(ah, AR_PHY(0), 0x00000007);
+
+ val = ath9k_hw_get_radiorev(ah);
+ switch (val & AR_RADIO_SREV_MAJOR) {
+ case 0:
+ val = AR_RAD5133_SREV_MAJOR;
+ break;
+ case AR_RAD5133_SREV_MAJOR:
+ case AR_RAD5122_SREV_MAJOR:
+ case AR_RAD2133_SREV_MAJOR:
+ case AR_RAD2122_SREV_MAJOR:
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Radio Chip Rev 0x%02X not supported\n",
+ val & AR_RADIO_SREV_MAJOR);
+ return -EOPNOTSUPP;
+ }
+
+ ah->hw_version.analog5GhzRev = val;
+
+ return 0;
+}
+
+static int ath9k_hw_init_macaddr(struct ath_hw *ah)
+{
+ u32 sum;
+ int i;
+ u16 eeval;
+
+ sum = 0;
+ for (i = 0; i < 3; i++) {
+ eeval = ah->eep_ops->get_eeprom(ah, AR_EEPROM_MAC(i));
+ sum += eeval;
+ ah->macaddr[2 * i] = eeval >> 8;
+ ah->macaddr[2 * i + 1] = eeval & 0xff;
+ }
+ if (sum == 0 || sum == 0xffff * 3)
+ return -EADDRNOTAVAIL;
+
+ return 0;
+}
+
+static void ath9k_hw_init_rxgain_ini(struct ath_hw *ah)
+{
+ u32 rxgain_type;
+
+ if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_17) {
+ rxgain_type = ah->eep_ops->get_eeprom(ah, EEP_RXGAIN_TYPE);
+
+ if (rxgain_type == AR5416_EEP_RXGAIN_13DB_BACKOFF)
+ INIT_INI_ARRAY(&ah->iniModesRxGain,
+ ar9280Modes_backoff_13db_rxgain_9280_2,
+ ARRAY_SIZE(ar9280Modes_backoff_13db_rxgain_9280_2), 6);
+ else if (rxgain_type == AR5416_EEP_RXGAIN_23DB_BACKOFF)
+ INIT_INI_ARRAY(&ah->iniModesRxGain,
+ ar9280Modes_backoff_23db_rxgain_9280_2,
+ ARRAY_SIZE(ar9280Modes_backoff_23db_rxgain_9280_2), 6);
+ else
+ INIT_INI_ARRAY(&ah->iniModesRxGain,
+ ar9280Modes_original_rxgain_9280_2,
+ ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+ } else {
+ INIT_INI_ARRAY(&ah->iniModesRxGain,
+ ar9280Modes_original_rxgain_9280_2,
+ ARRAY_SIZE(ar9280Modes_original_rxgain_9280_2), 6);
+ }
+}
+
+static void ath9k_hw_init_txgain_ini(struct ath_hw *ah)
+{
+ u32 txgain_type;
+
+ if (ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) >= AR5416_EEP_MINOR_VER_19) {
+ txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
+
+ if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER)
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9280Modes_high_power_tx_gain_9280_2,
+ ARRAY_SIZE(ar9280Modes_high_power_tx_gain_9280_2), 6);
+ else
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9280Modes_original_tx_gain_9280_2,
+ ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+ } else {
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9280Modes_original_tx_gain_9280_2,
+ ARRAY_SIZE(ar9280Modes_original_tx_gain_9280_2), 6);
+ }
+}
+
+static int ath9k_hw_post_attach(struct ath_hw *ah)
+{
+ int ecode;
+
+ if (!ath9k_hw_chip_test(ah))
+ return -ENODEV;
+
+ ecode = ath9k_hw_rf_claim(ah);
+ if (ecode != 0)
+ return ecode;
+
+ ecode = ath9k_hw_eeprom_attach(ah);
+ if (ecode != 0)
+ return ecode;
+
+ DPRINTF(ah->ah_sc, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
+ ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
+
+ ecode = ath9k_hw_rfattach(ah);
+ if (ecode != 0)
+ return ecode;
+
+ if (!AR_SREV_9100(ah)) {
+ ath9k_hw_ani_setup(ah);
+ ath9k_hw_ani_attach(ah);
+ }
+
+ return 0;
+}
+
+static struct ath_hw *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
+ int *status)
+{
+ struct ath_hw *ah;
+ int ecode;
+ u32 i, j;
+
+ ah = ath9k_hw_newstate(devid, sc, status);
+ if (ah == NULL)
+ return NULL;
+
+ ath9k_hw_set_defaults(ah);
+
+ if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Couldn't reset chip\n");
+ ecode = -EIO;
+ goto bad;
+ }
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
+ ecode = -EIO;
+ goto bad;
+ }
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
+ if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
+ (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
+ ah->config.serialize_regmode =
+ SER_REG_MODE_ON;
+ } else {
+ ah->config.serialize_regmode =
+ SER_REG_MODE_OFF;
+ }
+ }
+
+ DPRINTF(sc, ATH_DBG_RESET, "serialize_regmode is %d\n",
+ ah->config.serialize_regmode);
+
+ if ((ah->hw_version.macVersion != AR_SREV_VERSION_5416_PCI) &&
+ (ah->hw_version.macVersion != AR_SREV_VERSION_5416_PCIE) &&
+ (ah->hw_version.macVersion != AR_SREV_VERSION_9160) &&
+ (!AR_SREV_9100(ah)) && (!AR_SREV_9280(ah)) && (!AR_SREV_9285(ah))) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Mac Chip Rev 0x%02x.%x is not supported by "
+ "this driver\n", ah->hw_version.macVersion,
+ ah->hw_version.macRev);
+ ecode = -EOPNOTSUPP;
+ goto bad;
+ }
+
+ if (AR_SREV_9100(ah)) {
+ ah->iq_caldata.calData = &iq_cal_multi_sample;
+ ah->supp_cals = IQ_MISMATCH_CAL;
+ ah->is_pciexpress = false;
+ }
+ ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
+
+ if (AR_SREV_9160_10_OR_LATER(ah)) {
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ ah->iq_caldata.calData = &iq_cal_single_sample;
+ ah->adcgain_caldata.calData =
+ &adc_gain_cal_single_sample;
+ ah->adcdc_caldata.calData =
+ &adc_dc_cal_single_sample;
+ ah->adcdc_calinitdata.calData =
+ &adc_init_dc_cal;
+ } else {
+ ah->iq_caldata.calData = &iq_cal_multi_sample;
+ ah->adcgain_caldata.calData =
+ &adc_gain_cal_multi_sample;
+ ah->adcdc_caldata.calData =
+ &adc_dc_cal_multi_sample;
+ ah->adcdc_calinitdata.calData =
+ &adc_init_dc_cal;
+ }
+ ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
+ }
+
+ ah->ani_function = ATH9K_ANI_ALL;
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
+
+ if (AR_SREV_9285_12_OR_LATER(ah)) {
+
+ INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285_1_2,
+ ARRAY_SIZE(ar9285Modes_9285_1_2), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285_1_2,
+ ARRAY_SIZE(ar9285Common_9285_1_2), 2);
+
+ if (ah->config.pcie_clock_req) {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_off_L1_9285_1_2,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285_1_2), 2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_always_on_L1_9285_1_2,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285_1_2),
+ 2);
+ }
+ } else if (AR_SREV_9285_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9285Modes_9285,
+ ARRAY_SIZE(ar9285Modes_9285), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9285Common_9285,
+ ARRAY_SIZE(ar9285Common_9285), 2);
+
+ if (ah->config.pcie_clock_req) {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_off_L1_9285,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_off_L1_9285), 2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9285PciePhy_clkreq_always_on_L1_9285,
+ ARRAY_SIZE(ar9285PciePhy_clkreq_always_on_L1_9285), 2);
+ }
+ } else if (AR_SREV_9280_20_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280_2,
+ ARRAY_SIZE(ar9280Modes_9280_2), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280_2,
+ ARRAY_SIZE(ar9280Common_9280_2), 2);
+
+ if (ah->config.pcie_clock_req) {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9280PciePhy_clkreq_off_L1_9280,
+ ARRAY_SIZE(ar9280PciePhy_clkreq_off_L1_9280),2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniPcieSerdes,
+ ar9280PciePhy_clkreq_always_on_L1_9280,
+ ARRAY_SIZE(ar9280PciePhy_clkreq_always_on_L1_9280), 2);
+ }
+ INIT_INI_ARRAY(&ah->iniModesAdditional,
+ ar9280Modes_fast_clock_9280_2,
+ ARRAY_SIZE(ar9280Modes_fast_clock_9280_2), 3);
+ } else if (AR_SREV_9280_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9280Modes_9280,
+ ARRAY_SIZE(ar9280Modes_9280), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9280Common_9280,
+ ARRAY_SIZE(ar9280Common_9280), 2);
+ } else if (AR_SREV_9160_10_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9160,
+ ARRAY_SIZE(ar5416Modes_9160), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9160,
+ ARRAY_SIZE(ar5416Common_9160), 2);
+ INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9160,
+ ARRAY_SIZE(ar5416Bank0_9160), 2);
+ INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9160,
+ ARRAY_SIZE(ar5416BB_RfGain_9160), 3);
+ INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9160,
+ ARRAY_SIZE(ar5416Bank1_9160), 2);
+ INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9160,
+ ARRAY_SIZE(ar5416Bank2_9160), 2);
+ INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9160,
+ ARRAY_SIZE(ar5416Bank3_9160), 3);
+ INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9160,
+ ARRAY_SIZE(ar5416Bank6_9160), 3);
+ INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9160,
+ ARRAY_SIZE(ar5416Bank6TPC_9160), 3);
+ INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9160,
+ ARRAY_SIZE(ar5416Bank7_9160), 2);
+ if (AR_SREV_9160_11(ah)) {
+ INIT_INI_ARRAY(&ah->iniAddac,
+ ar5416Addac_91601_1,
+ ARRAY_SIZE(ar5416Addac_91601_1), 2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9160,
+ ARRAY_SIZE(ar5416Addac_9160), 2);
+ }
+ } else if (AR_SREV_9100_OR_LATER(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar5416Modes_9100,
+ ARRAY_SIZE(ar5416Modes_9100), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar5416Common_9100,
+ ARRAY_SIZE(ar5416Common_9100), 2);
+ INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0_9100,
+ ARRAY_SIZE(ar5416Bank0_9100), 2);
+ INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain_9100,
+ ARRAY_SIZE(ar5416BB_RfGain_9100), 3);
+ INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1_9100,
+ ARRAY_SIZE(ar5416Bank1_9100), 2);
+ INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2_9100,
+ ARRAY_SIZE(ar5416Bank2_9100), 2);
+ INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3_9100,
+ ARRAY_SIZE(ar5416Bank3_9100), 3);
+ INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6_9100,
+ ARRAY_SIZE(ar5416Bank6_9100), 3);
+ INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC_9100,
+ ARRAY_SIZE(ar5416Bank6TPC_9100), 3);
+ INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7_9100,
+ ARRAY_SIZE(ar5416Bank7_9100), 2);
+ INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac_9100,
+ ARRAY_SIZE(ar5416Addac_9100), 2);
+ } else {
+ INIT_INI_ARRAY(&ah->iniModes, ar5416Modes,
+ ARRAY_SIZE(ar5416Modes), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar5416Common,
+ ARRAY_SIZE(ar5416Common), 2);
+ INIT_INI_ARRAY(&ah->iniBank0, ar5416Bank0,
+ ARRAY_SIZE(ar5416Bank0), 2);
+ INIT_INI_ARRAY(&ah->iniBB_RfGain, ar5416BB_RfGain,
+ ARRAY_SIZE(ar5416BB_RfGain), 3);
+ INIT_INI_ARRAY(&ah->iniBank1, ar5416Bank1,
+ ARRAY_SIZE(ar5416Bank1), 2);
+ INIT_INI_ARRAY(&ah->iniBank2, ar5416Bank2,
+ ARRAY_SIZE(ar5416Bank2), 2);
+ INIT_INI_ARRAY(&ah->iniBank3, ar5416Bank3,
+ ARRAY_SIZE(ar5416Bank3), 3);
+ INIT_INI_ARRAY(&ah->iniBank6, ar5416Bank6,
+ ARRAY_SIZE(ar5416Bank6), 3);
+ INIT_INI_ARRAY(&ah->iniBank6TPC, ar5416Bank6TPC,
+ ARRAY_SIZE(ar5416Bank6TPC), 3);
+ INIT_INI_ARRAY(&ah->iniBank7, ar5416Bank7,
+ ARRAY_SIZE(ar5416Bank7), 2);
+ INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
+ ARRAY_SIZE(ar5416Addac), 2);
+ }
+
+ if (ah->is_pciexpress)
+ ath9k_hw_configpcipowersave(ah, 0);
+ else
+ ath9k_hw_disablepcie(ah);
+
+ ecode = ath9k_hw_post_attach(ah);
+ if (ecode != 0)
+ goto bad;
+
+ if (AR_SREV_9285_12_OR_LATER(ah)) {
+ u32 txgain_type = ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE);
+
+ /* txgain table */
+ if (txgain_type == AR5416_EEP_TXGAIN_HIGH_POWER) {
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9285Modes_high_power_tx_gain_9285_1_2,
+ ARRAY_SIZE(ar9285Modes_high_power_tx_gain_9285_1_2), 6);
+ } else {
+ INIT_INI_ARRAY(&ah->iniModesTxGain,
+ ar9285Modes_original_tx_gain_9285_1_2,
+ ARRAY_SIZE(ar9285Modes_original_tx_gain_9285_1_2), 6);
+ }
+
+ }
+
+ /* rxgain table */
+ if (AR_SREV_9280_20(ah))
+ ath9k_hw_init_rxgain_ini(ah);
+
+ /* txgain table */
+ if (AR_SREV_9280_20(ah))
+ ath9k_hw_init_txgain_ini(ah);
+
+ ath9k_hw_fill_cap_info(ah);
+
+ if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
+ test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) {
+
+ /* EEPROM Fixup */
+ for (i = 0; i < ah->iniModes.ia_rows; i++) {
+ u32 reg = INI_RA(&ah->iniModes, i, 0);
+
+ for (j = 1; j < ah->iniModes.ia_columns; j++) {
+ u32 val = INI_RA(&ah->iniModes, i, j);
+
+ INI_RA(&ah->iniModes, i, j) =
+ ath9k_hw_ini_fixup(ah,
+ &ah->eeprom.def,
+ reg, val);
+ }
+ }
+ }
+
+ ecode = ath9k_hw_init_macaddr(ah);
+ if (ecode != 0) {
+ DPRINTF(sc, ATH_DBG_FATAL,
+ "Failed to initialize MAC address\n");
+ goto bad;
+ }
+
+ if (AR_SREV_9285(ah))
+ ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
+ else
+ ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
+
+ ath9k_init_nfcal_hist_buffer(ah);
+
+ return ah;
+bad:
+ if (ah)
+ ath9k_hw_detach(ah);
+ if (status)
+ *status = ecode;
+
+ return NULL;
+}
+
+static void ath9k_hw_init_bb(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 synthDelay;
+
+ synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
+ if (IS_CHAN_B(chan))
+ synthDelay = (4 * synthDelay) / 22;
+ else
+ synthDelay /= 10;
+
+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+
+ udelay(synthDelay + BASE_ACTIVATE_DELAY);
+}
+
+static void ath9k_hw_init_qos(struct ath_hw *ah)
+{
+ REG_WRITE(ah, AR_MIC_QOS_CONTROL, 0x100aa);
+ REG_WRITE(ah, AR_MIC_QOS_SELECT, 0x3210);
+
+ REG_WRITE(ah, AR_QOS_NO_ACK,
+ SM(2, AR_QOS_NO_ACK_TWO_BIT) |
+ SM(5, AR_QOS_NO_ACK_BIT_OFF) |
+ SM(0, AR_QOS_NO_ACK_BYTE_OFF));
+
+ REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
+ REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
+ REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
+ REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
+ REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
+}
+
+static void ath9k_hw_init_pll(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 pll;
+
+ if (AR_SREV_9100(ah)) {
+ if (chan && IS_CHAN_5GHZ(chan))
+ pll = 0x1450;
+ else
+ pll = 0x1458;
+ } else {
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan)) {
+ pll |= SM(0x28, AR_RTC_9160_PLL_DIV);
+
+
+ if (AR_SREV_9280_20(ah)) {
+ if (((chan->channel % 20) == 0)
+ || ((chan->channel % 10) == 0))
+ pll = 0x2850;
+ else
+ pll = 0x142c;
+ }
+ } else {
+ pll |= SM(0x2c, AR_RTC_9160_PLL_DIV);
+ }
+
+ } else if (AR_SREV_9160_10_OR_LATER(ah)) {
+
+ pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan))
+ pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
+ else
+ pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
+ } else {
+ pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
+
+ if (chan && IS_CHAN_HALF_RATE(chan))
+ pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
+ else if (chan && IS_CHAN_QUARTER_RATE(chan))
+ pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
+
+ if (chan && IS_CHAN_5GHZ(chan))
+ pll |= SM(0xa, AR_RTC_PLL_DIV);
+ else
+ pll |= SM(0xb, AR_RTC_PLL_DIV);
+ }
+ }
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
+
+ udelay(RTC_PLL_SETTLE_DELAY);
+
+ REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
+}
+
+static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
+{
+ int rx_chainmask, tx_chainmask;
+
+ rx_chainmask = ah->rxchainmask;
+ tx_chainmask = ah->txchainmask;
+
+ switch (rx_chainmask) {
+ case 0x5:
+ REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
+ AR_PHY_SWAP_ALT_CHAIN);
+ case 0x3:
+ if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
+ break;
+ }
+ case 0x1:
+ case 0x2:
+ case 0x7:
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
+ break;
+ default:
+ break;
+ }
+
+ REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
+ if (tx_chainmask == 0x5) {
+ REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
+ AR_PHY_SWAP_ALT_CHAIN);
+ }
+ if (AR_SREV_9100(ah))
+ REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
+ REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
+}
+
+static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
+ enum nl80211_iftype opmode)
+{
+ ah->mask_reg = AR_IMR_TXERR |
+ AR_IMR_TXURN |
+ AR_IMR_RXERR |
+ AR_IMR_RXORN |
+ AR_IMR_BCNMISC;
+
+ if (ah->config.intr_mitigation)
+ ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
+ else
+ ah->mask_reg |= AR_IMR_RXOK;
+
+ ah->mask_reg |= AR_IMR_TXOK;
+
+ if (opmode == NL80211_IFTYPE_AP)
+ ah->mask_reg |= AR_IMR_MIB;
+
+ REG_WRITE(ah, AR_IMR, ah->mask_reg);
+ REG_WRITE(ah, AR_IMR_S2, REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT);
+
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
+ REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
+ }
+}
+
+static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
+{
+ if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad ack timeout %u\n", us);
+ ah->acktimeout = (u32) -1;
+ return false;
+ } else {
+ REG_RMW_FIELD(ah, AR_TIME_OUT,
+ AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
+ ah->acktimeout = us;
+ return true;
+ }
+}
+
+static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
+{
+ if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad cts timeout %u\n", us);
+ ah->ctstimeout = (u32) -1;
+ return false;
+ } else {
+ REG_RMW_FIELD(ah, AR_TIME_OUT,
+ AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
+ ah->ctstimeout = us;
+ return true;
+ }
+}
+
+static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
+{
+ if (tu > 0xFFFF) {
+ DPRINTF(ah->ah_sc, ATH_DBG_XMIT,
+ "bad global tx timeout %u\n", tu);
+ ah->globaltxtimeout = (u32) -1;
+ return false;
+ } else {
+ REG_RMW_FIELD(ah, AR_GTXTO, AR_GTXTO_TIMEOUT_LIMIT, tu);
+ ah->globaltxtimeout = tu;
+ return true;
+ }
+}
+
+static void ath9k_hw_init_user_settings(struct ath_hw *ah)
+{
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
+ ah->misc_mode);
+
+ if (ah->misc_mode != 0)
+ REG_WRITE(ah, AR_PCU_MISC,
+ REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
+ if (ah->slottime != (u32) -1)
+ ath9k_hw_setslottime(ah, ah->slottime);
+ if (ah->acktimeout != (u32) -1)
+ ath9k_hw_set_ack_timeout(ah, ah->acktimeout);
+ if (ah->ctstimeout != (u32) -1)
+ ath9k_hw_set_cts_timeout(ah, ah->ctstimeout);
+ if (ah->globaltxtimeout != (u32) -1)
+ ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
+}
+
+const char *ath9k_hw_probe(u16 vendorid, u16 devid)
+{
+ return vendorid == ATHEROS_VENDOR_ID ?
+ ath9k_hw_devname(devid) : NULL;
+}
+
+void ath9k_hw_detach(struct ath_hw *ah)
+{
+ if (!AR_SREV_9100(ah))
+ ath9k_hw_ani_detach(ah);
+
+ ath9k_hw_rfdetach(ah);
+ ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+ kfree(ah);
+}
+
+struct ath_hw *ath9k_hw_attach(u16 devid, struct ath_softc *sc, int *error)
+{
+ struct ath_hw *ah = NULL;
+
+ switch (devid) {
+ case AR5416_DEVID_PCI:
+ case AR5416_DEVID_PCIE:
+ case AR5416_AR9100_DEVID:
+ case AR9160_DEVID_PCI:
+ case AR9280_DEVID_PCI:
+ case AR9280_DEVID_PCIE:
+ case AR9285_DEVID_PCIE:
+ ah = ath9k_hw_do_attach(devid, sc, error);
+ break;
+ default:
+ *error = -ENXIO;
+ break;
+ }
+
+ return ah;
+}
+
+/*******/
+/* INI */
+/*******/
+
+static void ath9k_hw_override_ini(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ /*
+ * Set the RX_ABORT and RX_DIS and clear if off only after
+ * RXE is set for MAC. This prevents frames with corrupted
+ * descriptor status.
+ */
+ REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
+
+
+ if (!AR_SREV_5416_20_OR_LATER(ah) ||
+ AR_SREV_9280_10_OR_LATER(ah))
+ return;
+
+ REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
+}
+
+static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah,
+ struct ar5416_eeprom_def *pEepData,
+ u32 reg, u32 value)
+{
+ struct base_eep_header *pBase = &(pEepData->baseEepHeader);
+
+ switch (ah->hw_version.devid) {
+ case AR9280_DEVID_PCI:
+ if (reg == 0x7894) {
+ DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ "ini VAL: %x EEPROM: %x\n", value,
+ (pBase->version & 0xff));
+
+ if ((pBase->version & 0xff) > 0x0a) {
+ DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ "PWDCLKIND: %d\n",
+ pBase->pwdclkind);
+ value &= ~AR_AN_TOP2_PWDCLKIND;
+ value |= AR_AN_TOP2_PWDCLKIND &
+ (pBase->pwdclkind << AR_AN_TOP2_PWDCLKIND_S);
+ } else {
+ DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ "PWDCLKIND Earlier Rev\n");
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ "final ini VAL: %x\n", value);
+ }
+ break;
+ }
+
+ return value;
+}
+
+static u32 ath9k_hw_ini_fixup(struct ath_hw *ah,
+ struct ar5416_eeprom_def *pEepData,
+ u32 reg, u32 value)
+{
+ if (ah->eep_map == EEP_MAP_4KBITS)
+ return value;
+ else
+ return ath9k_hw_def_ini_fixup(ah, pEepData, reg, value);
+}
+
+static void ath9k_olc_init(struct ath_hw *ah)
+{
+ u32 i;
+
+ for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
+ ah->originalGain[i] =
+ MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
+ AR_PHY_TX_GAIN);
+ ah->PDADCdelta = 0;
+}
+
+static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
+ struct ath9k_channel *chan)
+{
+ u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
+
+ if (IS_CHAN_B(chan))
+ ctl |= CTL_11B;
+ else if (IS_CHAN_G(chan))
+ ctl |= CTL_11G;
+ else
+ ctl |= CTL_11A;
+
+ return ctl;
+}
+
+static int ath9k_hw_process_ini(struct ath_hw *ah,
+ struct ath9k_channel *chan,
+ enum ath9k_ht_macmode macmode)
+{
+ int i, regWrites = 0;
+ struct ieee80211_channel *channel = chan->chan;
+ u32 modesIndex, freqIndex;
+ int status;
+
+ switch (chan->chanmode) {
+ case CHANNEL_A:
+ case CHANNEL_A_HT20:
+ modesIndex = 1;
+ freqIndex = 1;
+ break;
+ case CHANNEL_A_HT40PLUS:
+ case CHANNEL_A_HT40MINUS:
+ modesIndex = 2;
+ freqIndex = 1;
+ break;
+ case CHANNEL_G:
+ case CHANNEL_G_HT20:
+ case CHANNEL_B:
+ modesIndex = 4;
+ freqIndex = 2;
+ break;
+ case CHANNEL_G_HT40PLUS:
+ case CHANNEL_G_HT40MINUS:
+ modesIndex = 3;
+ freqIndex = 2;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ REG_WRITE(ah, AR_PHY(0), 0x00000007);
+ REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
+ ah->eep_ops->set_addac(ah, chan);
+
+ if (AR_SREV_5416_22_OR_LATER(ah)) {
+ REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
+ } else {
+ struct ar5416IniArray temp;
+ u32 addacSize =
+ sizeof(u32) * ah->iniAddac.ia_rows *
+ ah->iniAddac.ia_columns;
+
+ memcpy(ah->addac5416_21,
+ ah->iniAddac.ia_array, addacSize);
+
+ (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
+
+ temp.ia_array = ah->addac5416_21;
+ temp.ia_columns = ah->iniAddac.ia_columns;
+ temp.ia_rows = ah->iniAddac.ia_rows;
+ REG_WRITE_ARRAY(&temp, 1, regWrites);
+ }
+
+ REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
+
+ for (i = 0; i < ah->iniModes.ia_rows; i++) {
+ u32 reg = INI_RA(&ah->iniModes, i, 0);
+ u32 val = INI_RA(&ah->iniModes, i, modesIndex);
+
+ REG_WRITE(ah, reg, val);
+
+ if (reg >= 0x7800 && reg < 0x78a0
+ && ah->config.analog_shiftreg) {
+ udelay(100);
+ }
+
+ DO_DELAY(regWrites);
+ }
+
+ if (AR_SREV_9280(ah))
+ REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
+
+ if (AR_SREV_9280(ah) || (AR_SREV_9285(ah) &&
+ AR_SREV_9285_12_OR_LATER(ah)))
+ REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
+
+ for (i = 0; i < ah->iniCommon.ia_rows; i++) {
+ u32 reg = INI_RA(&ah->iniCommon, i, 0);
+ u32 val = INI_RA(&ah->iniCommon, i, 1);
+
+ REG_WRITE(ah, reg, val);
+
+ if (reg >= 0x7800 && reg < 0x78a0
+ && ah->config.analog_shiftreg) {
+ udelay(100);
+ }
+
+ DO_DELAY(regWrites);
+ }
+
+ ath9k_hw_write_regs(ah, modesIndex, freqIndex, regWrites);
+
+ if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan)) {
+ REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
+ regWrites);
+ }
+
+ ath9k_hw_override_ini(ah, chan);
+ ath9k_hw_set_regs(ah, chan, macmode);
+ ath9k_hw_init_chain_masks(ah);
+
+ if (OLC_FOR_AR9280_20_LATER)
+ ath9k_olc_init(ah);
+
+ status = ah->eep_ops->set_txpower(ah, chan,
+ ath9k_regd_get_ctl(&ah->regulatory, chan),
+ channel->max_antenna_gain * 2,
+ channel->max_power * 2,
+ min((u32) MAX_RATE_POWER,
+ (u32) ah->regulatory.power_limit));
+ if (status != 0) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Error initializing transmit power\n");
+ return -EIO;
+ }
+
+ if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "ar5416SetRfRegs failed\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/****************************************/
+/* Reset and Channel Switching Routines */
+/****************************************/
+
+static void ath9k_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+ u32 rfMode = 0;
+
+ if (chan == NULL)
+ return;
+
+ rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
+ ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
+
+ if (!AR_SREV_9280_10_OR_LATER(ah))
+ rfMode |= (IS_CHAN_5GHZ(chan)) ?
+ AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
+
+ if (AR_SREV_9280_20(ah) && IS_CHAN_A_5MHZ_SPACED(chan))
+ rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
+
+ REG_WRITE(ah, AR_PHY_MODE, rfMode);
+}
+
+static void ath9k_hw_mark_phy_inactive(struct ath_hw *ah)
+{
+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
+}
+
+static inline void ath9k_hw_set_dma(struct ath_hw *ah)
+{
+ u32 regval;
+
+ regval = REG_READ(ah, AR_AHB_MODE);
+ REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
+
+ regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
+ REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
+
+ REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
+
+ regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
+ REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
+
+ REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
+
+ if (AR_SREV_9285(ah)) {
+ REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
+ AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
+ } else {
+ REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
+ AR_PCU_TXBUF_CTRL_USABLE_SIZE);
+ }
+}
+
+static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
+{
+ u32 val;
+
+ val = REG_READ(ah, AR_STA_ID1);
+ val &= ~(AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC);
+ switch (opmode) {
+ case NL80211_IFTYPE_AP:
+ REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_STA_AP
+ | AR_STA_ID1_KSRCH_MODE);
+ REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
+ | AR_STA_ID1_KSRCH_MODE);
+ REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
+ break;
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_MONITOR:
+ REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_KSRCH_MODE);
+ break;
+ }
+}
+
+static inline void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah,
+ u32 coef_scaled,
+ u32 *coef_mantissa,
+ u32 *coef_exponent)
+{
+ u32 coef_exp, coef_man;
+
+ for (coef_exp = 31; coef_exp > 0; coef_exp--)
+ if ((coef_scaled >> coef_exp) & 0x1)
+ break;
+
+ coef_exp = 14 - (coef_exp - COEF_SCALE_S);
+
+ coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
+
+ *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
+ *coef_exponent = coef_exp - 16;
+}
+
+static void ath9k_hw_set_delta_slope(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ u32 coef_scaled, ds_coef_exp, ds_coef_man;
+ u32 clockMhzScaled = 0x64000000;
+ struct chan_centers centers;
+
+ if (IS_CHAN_HALF_RATE(chan))
+ clockMhzScaled = clockMhzScaled >> 1;
+ else if (IS_CHAN_QUARTER_RATE(chan))
+ clockMhzScaled = clockMhzScaled >> 2;
+
+ ath9k_hw_get_channel_centers(ah, chan, &centers);
+ coef_scaled = clockMhzScaled / centers.synth_center;
+
+ ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
+ &ds_coef_exp);
+
+ REG_RMW_FIELD(ah, AR_PHY_TIMING3,
+ AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
+ REG_RMW_FIELD(ah, AR_PHY_TIMING3,
+ AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
+
+ coef_scaled = (9 * coef_scaled) / 10;
+
+ ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
+ &ds_coef_exp);
+
+ REG_RMW_FIELD(ah, AR_PHY_HALFGI,
+ AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
+ REG_RMW_FIELD(ah, AR_PHY_HALFGI,
+ AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
+}
+
+static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
+{
+ u32 rst_flags;
+ u32 tmpReg;
+
+ if (AR_SREV_9100(ah)) {
+ u32 val = REG_READ(ah, AR_RTC_DERIVED_CLK);
+ val &= ~AR_RTC_DERIVED_CLK_PERIOD;
+ val |= SM(1, AR_RTC_DERIVED_CLK_PERIOD);
+ REG_WRITE(ah, AR_RTC_DERIVED_CLK, val);
+ (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
+ }
+
+ REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
+ AR_RTC_FORCE_WAKE_ON_INT);
+
+ if (AR_SREV_9100(ah)) {
+ rst_flags = AR_RTC_RC_MAC_WARM | AR_RTC_RC_MAC_COLD |
+ AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
+ } else {
+ tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+ if (tmpReg &
+ (AR_INTR_SYNC_LOCAL_TIMEOUT |
+ AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+ REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
+ } else {
+ REG_WRITE(ah, AR_RC, AR_RC_AHB);
+ }
+
+ rst_flags = AR_RTC_RC_MAC_WARM;
+ if (type == ATH9K_RESET_COLD)
+ rst_flags |= AR_RTC_RC_MAC_COLD;
+ }
+
+ REG_WRITE(ah, AR_RTC_RC, rst_flags);
+ udelay(50);
+
+ REG_WRITE(ah, AR_RTC_RC, 0);
+ if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+ "RTC stuck in MAC reset\n");
+ return false;
+ }
+
+ if (!AR_SREV_9100(ah))
+ REG_WRITE(ah, AR_RC, 0);
+
+ ath9k_hw_init_pll(ah, NULL);
+
+ if (AR_SREV_9100(ah))
+ udelay(50);
+
+ return true;
+}
+
+static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
+{
+ REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
+ AR_RTC_FORCE_WAKE_ON_INT);
+
+ REG_WRITE(ah, AR_RTC_RESET, 0);
+ udelay(2);
+ REG_WRITE(ah, AR_RTC_RESET, 1);
+
+ if (!ath9k_hw_wait(ah,
+ AR_RTC_STATUS,
+ AR_RTC_STATUS_M,
+ AR_RTC_STATUS_ON,
+ AH_WAIT_TIMEOUT)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "RTC not waking up\n");
+ return false;
+ }
+
+ ath9k_hw_read_revisions(ah);
+
+ return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
+}
+
+static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
+{
+ REG_WRITE(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
+
+ switch (type) {
+ case ATH9K_RESET_POWER_ON:
+ return ath9k_hw_set_reset_power_on(ah);
+ break;
+ case ATH9K_RESET_WARM:
+ case ATH9K_RESET_COLD:
+ return ath9k_hw_set_reset(ah, type);
+ break;
+ default:
+ return false;
+ }
+}
+
+static void ath9k_hw_set_regs(struct ath_hw *ah, struct ath9k_channel *chan,
+ enum ath9k_ht_macmode macmode)
+{
+ u32 phymode;
+ u32 enableDacFifo = 0;
+
+ if (AR_SREV_9285_10_OR_LATER(ah))
+ enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
+ AR_PHY_FC_ENABLE_DAC_FIFO);
+
+ phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
+ | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
+
+ if (IS_CHAN_HT40(chan)) {
+ phymode |= AR_PHY_FC_DYN2040_EN;
+
+ if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
+ (chan->chanmode == CHANNEL_G_HT40PLUS))
+ phymode |= AR_PHY_FC_DYN2040_PRI_CH;
+
+ if (ah->extprotspacing == ATH9K_HT_EXTPROTSPACING_25)
+ phymode |= AR_PHY_FC_DYN2040_EXT_CH;
+ }
+ REG_WRITE(ah, AR_PHY_TURBO, phymode);
+
+ ath9k_hw_set11nmac2040(ah, macmode);
+
+ REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
+ REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
+}
+
+static bool ath9k_hw_chip_reset(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ if (OLC_FOR_AR9280_20_LATER) {
+ if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
+ return false;
+ } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
+ return false;
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+ return false;
+
+ ah->chip_fullsleep = false;
+ ath9k_hw_init_pll(ah, chan);
+ ath9k_hw_set_rfmode(ah, chan);
+
+ return true;
+}
+
+static bool ath9k_hw_channel_change(struct ath_hw *ah,
+ struct ath9k_channel *chan,
+ enum ath9k_ht_macmode macmode)
+{
+ struct ieee80211_channel *channel = chan->chan;
+ u32 synthDelay, qnum;
+
+ for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
+ if (ath9k_hw_numtxpending(ah, qnum)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_QUEUE,
+ "Transmit frames pending on queue %d\n", qnum);
+ return false;
+ }
+ }
+
+ REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
+ if (!ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
+ AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Could not kill baseband RX\n");
+ return false;
+ }
+
+ ath9k_hw_set_regs(ah, chan, macmode);
+
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (!(ath9k_hw_ar9280_set_channel(ah, chan))) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Failed to set channel\n");
+ return false;
+ }
+ } else {
+ if (!(ath9k_hw_set_channel(ah, chan))) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Failed to set channel\n");
+ return false;
+ }
+ }
+
+ if (ah->eep_ops->set_txpower(ah, chan,
+ ath9k_regd_get_ctl(&ah->regulatory, chan),
+ channel->max_antenna_gain * 2,
+ channel->max_power * 2,
+ min((u32) MAX_RATE_POWER,
+ (u32) ah->regulatory.power_limit)) != 0) {
+ DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ "Error initializing transmit power\n");
+ return false;
+ }
+
+ synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
+ if (IS_CHAN_B(chan))
+ synthDelay = (4 * synthDelay) / 22;
+ else
+ synthDelay /= 10;
+
+ udelay(synthDelay + BASE_ACTIVATE_DELAY);
+
+ REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
+
+ if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
+ ath9k_hw_set_delta_slope(ah, chan);
+
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ ath9k_hw_9280_spur_mitigate(ah, chan);
+ else
+ ath9k_hw_spur_mitigate(ah, chan);
+
+ if (!chan->oneTimeCalsDone)
+ chan->oneTimeCalsDone = true;
+
+ return true;
+}
+
+static void ath9k_hw_9280_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+ int bb_spur = AR_NO_SPUR;
+ int freq;
+ int bin, cur_bin;
+ int bb_spur_off, spur_subchannel_sd;
+ int spur_freq_sd;
+ int spur_delta_phase;
+ int denominator;
+ int upper, lower, cur_vit_mask;
+ int tmp, newVal;
+ int i;
+ int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
+ AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+ };
+ int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
+ AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+ };
+ int inc[4] = { 0, 100, 0, 0 };
+ struct chan_centers centers;
+
+ int8_t mask_m[123];
+ int8_t mask_p[123];
+ int8_t mask_amt;
+ int tmp_mask;
+ int cur_bb_spur;
+ bool is2GHz = IS_CHAN_2GHZ(chan);
+
+ memset(&mask_m, 0, sizeof(int8_t) * 123);
+ memset(&mask_p, 0, sizeof(int8_t) * 123);
+
+ ath9k_hw_get_channel_centers(ah, chan, &centers);
+ freq = centers.synth_center;
+
+ ah->config.spurmode = SPUR_ENABLE_EEPROM;
+ for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+ cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
+
+ if (is2GHz)
+ cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ;
+ else
+ cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ;
+
+ if (AR_NO_SPUR == cur_bb_spur)
+ break;
+ cur_bb_spur = cur_bb_spur - freq;
+
+ if (IS_CHAN_HT40(chan)) {
+ if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT40) &&
+ (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT40)) {
+ bb_spur = cur_bb_spur;
+ break;
+ }
+ } else if ((cur_bb_spur > -AR_SPUR_FEEQ_BOUND_HT20) &&
+ (cur_bb_spur < AR_SPUR_FEEQ_BOUND_HT20)) {
+ bb_spur = cur_bb_spur;
+ break;
+ }
+ }
+
+ if (AR_NO_SPUR == bb_spur) {
+ REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+ AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+ return;
+ } else {
+ REG_CLR_BIT(ah, AR_PHY_FORCE_CLKEN_CCK,
+ AR_PHY_FORCE_CLKEN_CCK_MRC_MUX);
+ }
+
+ bin = bb_spur * 320;
+
+ tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
+
+ newVal = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
+ AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
+ AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
+ AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
+ REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), newVal);
+
+ newVal = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
+ AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
+ AR_PHY_SPUR_REG_MASK_RATE_SELECT |
+ AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
+ SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
+ REG_WRITE(ah, AR_PHY_SPUR_REG, newVal);
+
+ if (IS_CHAN_HT40(chan)) {
+ if (bb_spur < 0) {
+ spur_subchannel_sd = 1;
+ bb_spur_off = bb_spur + 10;
+ } else {
+ spur_subchannel_sd = 0;
+ bb_spur_off = bb_spur - 10;
+ }
+ } else {
+ spur_subchannel_sd = 0;
+ bb_spur_off = bb_spur;
+ }
+
+ if (IS_CHAN_HT40(chan))
+ spur_delta_phase =
+ ((bb_spur * 262144) /
+ 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+ else
+ spur_delta_phase =
+ ((bb_spur * 524288) /
+ 10) & AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+
+ denominator = IS_CHAN_2GHZ(chan) ? 44 : 40;
+ spur_freq_sd = ((bb_spur_off * 2048) / denominator) & 0x3ff;
+
+ newVal = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
+ SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
+ SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
+ REG_WRITE(ah, AR_PHY_TIMING11, newVal);
+
+ newVal = spur_subchannel_sd << AR_PHY_SFCORR_SPUR_SUBCHNL_SD_S;
+ REG_WRITE(ah, AR_PHY_SFCORR_EXT, newVal);
+
+ cur_bin = -6000;
+ upper = bin + 100;
+ lower = bin - 100;
+
+ for (i = 0; i < 4; i++) {
+ int pilot_mask = 0;
+ int chan_mask = 0;
+ int bp = 0;
+ for (bp = 0; bp < 30; bp++) {
+ if ((cur_bin > lower) && (cur_bin < upper)) {
+ pilot_mask = pilot_mask | 0x1 << bp;
+ chan_mask = chan_mask | 0x1 << bp;
+ }
+ cur_bin += 100;
+ }
+ cur_bin += inc[i];
+ REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
+ REG_WRITE(ah, chan_mask_reg[i], chan_mask);
+ }
+
+ cur_vit_mask = 6100;
+ upper = bin + 120;
+ lower = bin - 120;
+
+ for (i = 0; i < 123; i++) {
+ if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
+
+ /* workaround for gcc bug #37014 */
+ volatile int tmp_v = abs(cur_vit_mask - bin);
+
+ if (tmp_v < 75)
+ mask_amt = 1;
+ else
+ mask_amt = 0;
+ if (cur_vit_mask < 0)
+ mask_m[abs(cur_vit_mask / 100)] = mask_amt;
+ else
+ mask_p[cur_vit_mask / 100] = mask_amt;
+ }
+ cur_vit_mask -= 100;
+ }
+
+ tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
+ | (mask_m[48] << 26) | (mask_m[49] << 24)
+ | (mask_m[50] << 22) | (mask_m[51] << 20)
+ | (mask_m[52] << 18) | (mask_m[53] << 16)
+ | (mask_m[54] << 14) | (mask_m[55] << 12)
+ | (mask_m[56] << 10) | (mask_m[57] << 8)
+ | (mask_m[58] << 6) | (mask_m[59] << 4)
+ | (mask_m[60] << 2) | (mask_m[61] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
+ REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
+
+ tmp_mask = (mask_m[31] << 28)
+ | (mask_m[32] << 26) | (mask_m[33] << 24)
+ | (mask_m[34] << 22) | (mask_m[35] << 20)
+ | (mask_m[36] << 18) | (mask_m[37] << 16)
+ | (mask_m[48] << 14) | (mask_m[39] << 12)
+ | (mask_m[40] << 10) | (mask_m[41] << 8)
+ | (mask_m[42] << 6) | (mask_m[43] << 4)
+ | (mask_m[44] << 2) | (mask_m[45] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
+
+ tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
+ | (mask_m[18] << 26) | (mask_m[18] << 24)
+ | (mask_m[20] << 22) | (mask_m[20] << 20)
+ | (mask_m[22] << 18) | (mask_m[22] << 16)
+ | (mask_m[24] << 14) | (mask_m[24] << 12)
+ | (mask_m[25] << 10) | (mask_m[26] << 8)
+ | (mask_m[27] << 6) | (mask_m[28] << 4)
+ | (mask_m[29] << 2) | (mask_m[30] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
+
+ tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
+ | (mask_m[2] << 26) | (mask_m[3] << 24)
+ | (mask_m[4] << 22) | (mask_m[5] << 20)
+ | (mask_m[6] << 18) | (mask_m[7] << 16)
+ | (mask_m[8] << 14) | (mask_m[9] << 12)
+ | (mask_m[10] << 10) | (mask_m[11] << 8)
+ | (mask_m[12] << 6) | (mask_m[13] << 4)
+ | (mask_m[14] << 2) | (mask_m[15] << 0);
+ REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
+
+ tmp_mask = (mask_p[15] << 28)
+ | (mask_p[14] << 26) | (mask_p[13] << 24)
+ | (mask_p[12] << 22) | (mask_p[11] << 20)
+ | (mask_p[10] << 18) | (mask_p[9] << 16)
+ | (mask_p[8] << 14) | (mask_p[7] << 12)
+ | (mask_p[6] << 10) | (mask_p[5] << 8)
+ | (mask_p[4] << 6) | (mask_p[3] << 4)
+ | (mask_p[2] << 2) | (mask_p[1] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
+
+ tmp_mask = (mask_p[30] << 28)
+ | (mask_p[29] << 26) | (mask_p[28] << 24)
+ | (mask_p[27] << 22) | (mask_p[26] << 20)
+ | (mask_p[25] << 18) | (mask_p[24] << 16)
+ | (mask_p[23] << 14) | (mask_p[22] << 12)
+ | (mask_p[21] << 10) | (mask_p[20] << 8)
+ | (mask_p[19] << 6) | (mask_p[18] << 4)
+ | (mask_p[17] << 2) | (mask_p[16] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
+
+ tmp_mask = (mask_p[45] << 28)
+ | (mask_p[44] << 26) | (mask_p[43] << 24)
+ | (mask_p[42] << 22) | (mask_p[41] << 20)
+ | (mask_p[40] << 18) | (mask_p[39] << 16)
+ | (mask_p[38] << 14) | (mask_p[37] << 12)
+ | (mask_p[36] << 10) | (mask_p[35] << 8)
+ | (mask_p[34] << 6) | (mask_p[33] << 4)
+ | (mask_p[32] << 2) | (mask_p[31] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
+
+ tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
+ | (mask_p[59] << 26) | (mask_p[58] << 24)
+ | (mask_p[57] << 22) | (mask_p[56] << 20)
+ | (mask_p[55] << 18) | (mask_p[54] << 16)
+ | (mask_p[53] << 14) | (mask_p[52] << 12)
+ | (mask_p[51] << 10) | (mask_p[50] << 8)
+ | (mask_p[49] << 6) | (mask_p[48] << 4)
+ | (mask_p[47] << 2) | (mask_p[46] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
+}
+
+static void ath9k_hw_spur_mitigate(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+ int bb_spur = AR_NO_SPUR;
+ int bin, cur_bin;
+ int spur_freq_sd;
+ int spur_delta_phase;
+ int denominator;
+ int upper, lower, cur_vit_mask;
+ int tmp, new;
+ int i;
+ int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
+ AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
+ };
+ int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
+ AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
+ };
+ int inc[4] = { 0, 100, 0, 0 };
+
+ int8_t mask_m[123];
+ int8_t mask_p[123];
+ int8_t mask_amt;
+ int tmp_mask;
+ int cur_bb_spur;
+ bool is2GHz = IS_CHAN_2GHZ(chan);
+
+ memset(&mask_m, 0, sizeof(int8_t) * 123);
+ memset(&mask_p, 0, sizeof(int8_t) * 123);
+
+ for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
+ cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
+ if (AR_NO_SPUR == cur_bb_spur)
+ break;
+ cur_bb_spur = cur_bb_spur - (chan->channel * 10);
+ if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
+ bb_spur = cur_bb_spur;
+ break;
+ }
+ }
+
+ if (AR_NO_SPUR == bb_spur)
+ return;
+
+ bin = bb_spur * 32;
+
+ tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
+ new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
+ AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
+ AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
+ AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
+
+ REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
+
+ new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
+ AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
+ AR_PHY_SPUR_REG_MASK_RATE_SELECT |
+ AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
+ SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
+ REG_WRITE(ah, AR_PHY_SPUR_REG, new);
+
+ spur_delta_phase = ((bb_spur * 524288) / 100) &
+ AR_PHY_TIMING11_SPUR_DELTA_PHASE;
+
+ denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
+ spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
+
+ new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
+ SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
+ SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
+ REG_WRITE(ah, AR_PHY_TIMING11, new);
+
+ cur_bin = -6000;
+ upper = bin + 100;
+ lower = bin - 100;
+
+ for (i = 0; i < 4; i++) {
+ int pilot_mask = 0;
+ int chan_mask = 0;
+ int bp = 0;
+ for (bp = 0; bp < 30; bp++) {
+ if ((cur_bin > lower) && (cur_bin < upper)) {
+ pilot_mask = pilot_mask | 0x1 << bp;
+ chan_mask = chan_mask | 0x1 << bp;
+ }
+ cur_bin += 100;
+ }
+ cur_bin += inc[i];
+ REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
+ REG_WRITE(ah, chan_mask_reg[i], chan_mask);
+ }
+
+ cur_vit_mask = 6100;
+ upper = bin + 120;
+ lower = bin - 120;
+
+ for (i = 0; i < 123; i++) {
+ if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
+
+ /* workaround for gcc bug #37014 */
+ volatile int tmp_v = abs(cur_vit_mask - bin);
+
+ if (tmp_v < 75)
+ mask_amt = 1;
+ else
+ mask_amt = 0;
+ if (cur_vit_mask < 0)
+ mask_m[abs(cur_vit_mask / 100)] = mask_amt;
+ else
+ mask_p[cur_vit_mask / 100] = mask_amt;
+ }
+ cur_vit_mask -= 100;
+ }
+
+ tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
+ | (mask_m[48] << 26) | (mask_m[49] << 24)
+ | (mask_m[50] << 22) | (mask_m[51] << 20)
+ | (mask_m[52] << 18) | (mask_m[53] << 16)
+ | (mask_m[54] << 14) | (mask_m[55] << 12)
+ | (mask_m[56] << 10) | (mask_m[57] << 8)
+ | (mask_m[58] << 6) | (mask_m[59] << 4)
+ | (mask_m[60] << 2) | (mask_m[61] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
+ REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
+
+ tmp_mask = (mask_m[31] << 28)
+ | (mask_m[32] << 26) | (mask_m[33] << 24)
+ | (mask_m[34] << 22) | (mask_m[35] << 20)
+ | (mask_m[36] << 18) | (mask_m[37] << 16)
+ | (mask_m[48] << 14) | (mask_m[39] << 12)
+ | (mask_m[40] << 10) | (mask_m[41] << 8)
+ | (mask_m[42] << 6) | (mask_m[43] << 4)
+ | (mask_m[44] << 2) | (mask_m[45] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
+
+ tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
+ | (mask_m[18] << 26) | (mask_m[18] << 24)
+ | (mask_m[20] << 22) | (mask_m[20] << 20)
+ | (mask_m[22] << 18) | (mask_m[22] << 16)
+ | (mask_m[24] << 14) | (mask_m[24] << 12)
+ | (mask_m[25] << 10) | (mask_m[26] << 8)
+ | (mask_m[27] << 6) | (mask_m[28] << 4)
+ | (mask_m[29] << 2) | (mask_m[30] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
+
+ tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
+ | (mask_m[2] << 26) | (mask_m[3] << 24)
+ | (mask_m[4] << 22) | (mask_m[5] << 20)
+ | (mask_m[6] << 18) | (mask_m[7] << 16)
+ | (mask_m[8] << 14) | (mask_m[9] << 12)
+ | (mask_m[10] << 10) | (mask_m[11] << 8)
+ | (mask_m[12] << 6) | (mask_m[13] << 4)
+ | (mask_m[14] << 2) | (mask_m[15] << 0);
+ REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
+
+ tmp_mask = (mask_p[15] << 28)
+ | (mask_p[14] << 26) | (mask_p[13] << 24)
+ | (mask_p[12] << 22) | (mask_p[11] << 20)
+ | (mask_p[10] << 18) | (mask_p[9] << 16)
+ | (mask_p[8] << 14) | (mask_p[7] << 12)
+ | (mask_p[6] << 10) | (mask_p[5] << 8)
+ | (mask_p[4] << 6) | (mask_p[3] << 4)
+ | (mask_p[2] << 2) | (mask_p[1] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
+
+ tmp_mask = (mask_p[30] << 28)
+ | (mask_p[29] << 26) | (mask_p[28] << 24)
+ | (mask_p[27] << 22) | (mask_p[26] << 20)
+ | (mask_p[25] << 18) | (mask_p[24] << 16)
+ | (mask_p[23] << 14) | (mask_p[22] << 12)
+ | (mask_p[21] << 10) | (mask_p[20] << 8)
+ | (mask_p[19] << 6) | (mask_p[18] << 4)
+ | (mask_p[17] << 2) | (mask_p[16] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
+
+ tmp_mask = (mask_p[45] << 28)
+ | (mask_p[44] << 26) | (mask_p[43] << 24)
+ | (mask_p[42] << 22) | (mask_p[41] << 20)
+ | (mask_p[40] << 18) | (mask_p[39] << 16)
+ | (mask_p[38] << 14) | (mask_p[37] << 12)
+ | (mask_p[36] << 10) | (mask_p[35] << 8)
+ | (mask_p[34] << 6) | (mask_p[33] << 4)
+ | (mask_p[32] << 2) | (mask_p[31] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
+
+ tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
+ | (mask_p[59] << 26) | (mask_p[58] << 24)
+ | (mask_p[57] << 22) | (mask_p[56] << 20)
+ | (mask_p[55] << 18) | (mask_p[54] << 16)
+ | (mask_p[53] << 14) | (mask_p[52] << 12)
+ | (mask_p[51] << 10) | (mask_p[50] << 8)
+ | (mask_p[49] << 6) | (mask_p[48] << 4)
+ | (mask_p[47] << 2) | (mask_p[46] << 0);
+ REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
+ REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
+}
+
+int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+ bool bChannelChange)
+{
+ u32 saveLedState;
+ struct ath_softc *sc = ah->ah_sc;
+ struct ath9k_channel *curchan = ah->curchan;
+ u32 saveDefAntenna;
+ u32 macStaId1;
+ int i, rx_chainmask, r;
+
+ ah->extprotspacing = sc->ht_extprotspacing;
+ ah->txchainmask = sc->tx_chainmask;
+ ah->rxchainmask = sc->rx_chainmask;
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+ return -EIO;
+
+ if (curchan)
+ ath9k_hw_getnf(ah, curchan);
+
+ if (bChannelChange &&
+ (ah->chip_fullsleep != true) &&
+ (ah->curchan != NULL) &&
+ (chan->channel != ah->curchan->channel) &&
+ ((chan->channelFlags & CHANNEL_ALL) ==
+ (ah->curchan->channelFlags & CHANNEL_ALL)) &&
+ (!AR_SREV_9280(ah) || (!IS_CHAN_A_5MHZ_SPACED(chan) &&
+ !IS_CHAN_A_5MHZ_SPACED(ah->curchan)))) {
+
+ if (ath9k_hw_channel_change(ah, chan, sc->tx_chan_width)) {
+ ath9k_hw_loadnf(ah, ah->curchan);
+ ath9k_hw_start_nfcal(ah);
+ return 0;
+ }
+ }
+
+ saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA);
+ if (saveDefAntenna == 0)
+ saveDefAntenna = 1;
+
+ macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B;
+
+ saveLedState = REG_READ(ah, AR_CFG_LED) &
+ (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL |
+ AR_CFG_LED_BLINK_THRESH_SEL | AR_CFG_LED_BLINK_SLOW);
+
+ ath9k_hw_mark_phy_inactive(ah);
+
+ if (!ath9k_hw_chip_reset(ah, chan)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Chip reset failed\n");
+ return -EINVAL;
+ }
+
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
+
+ r = ath9k_hw_process_ini(ah, chan, sc->tx_chan_width);
+ if (r)
+ return r;
+
+ /* Setup MFP options for CCMP */
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+ /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt
+ * frames when constructing CCMP AAD. */
+ REG_RMW_FIELD(ah, AR_AES_MUTE_MASK1, AR_AES_MUTE_MASK1_FC_MGMT,
+ 0xc7ff);
+ ah->sw_mgmt_crypto = false;
+ } else if (AR_SREV_9160_10_OR_LATER(ah)) {
+ /* Disable hardware crypto for management frames */
+ REG_CLR_BIT(ah, AR_PCU_MISC_MODE2,
+ AR_PCU_MISC_MODE2_MGMT_CRYPTO_ENABLE);
+ REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
+ AR_PCU_MISC_MODE2_NO_CRYPTO_FOR_NON_DATA_PKT);
+ ah->sw_mgmt_crypto = true;
+ } else
+ ah->sw_mgmt_crypto = true;
+
+ if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
+ ath9k_hw_set_delta_slope(ah, chan);
+
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ ath9k_hw_9280_spur_mitigate(ah, chan);
+ else
+ ath9k_hw_spur_mitigate(ah, chan);
+
+ ah->eep_ops->set_board_values(ah, chan);
+
+ ath9k_hw_decrease_chain_power(ah, chan);
+
+ REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(ah->macaddr));
+ REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(ah->macaddr + 4)
+ | macStaId1
+ | AR_STA_ID1_RTS_USE_DEF
+ | (ah->config.
+ ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
+ | ah->sta_id1_defaults);
+ ath9k_hw_set_operating_mode(ah, ah->opmode);
+
+ REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
+ REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
+
+ REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
+
+ REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
+ REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
+ ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+
+ REG_WRITE(ah, AR_ISR, ~0);
+
+ REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
+
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ if (!(ath9k_hw_ar9280_set_channel(ah, chan)))
+ return -EIO;
+ } else {
+ if (!(ath9k_hw_set_channel(ah, chan)))
+ return -EIO;
+ }
+
+ for (i = 0; i < AR_NUM_DCU; i++)
+ REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
+
+ ah->intr_txqs = 0;
+ for (i = 0; i < ah->caps.total_queues; i++)
+ ath9k_hw_resettxqueue(ah, i);
+
+ ath9k_hw_init_interrupt_masks(ah, ah->opmode);
+ ath9k_hw_init_qos(ah);
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+ ath9k_enable_rfkill(ah);
+#endif
+ ath9k_hw_init_user_settings(ah);
+
+ REG_WRITE(ah, AR_STA_ID1,
+ REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
+
+ ath9k_hw_set_dma(ah);
+
+ REG_WRITE(ah, AR_OBS, 8);
+
+ if (ah->config.intr_mitigation) {
+ REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
+ REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
+ }
+
+ ath9k_hw_init_bb(ah, chan);
+
+ if (!ath9k_hw_init_cal(ah, chan))
+ return -EIO;;
+
+ rx_chainmask = ah->rxchainmask;
+ if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
+ REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
+ REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
+ }
+
+ REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
+
+ if (AR_SREV_9100(ah)) {
+ u32 mask;
+ mask = REG_READ(ah, AR_CFG);
+ if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+ "CFG Byte Swap Set 0x%x\n", mask);
+ } else {
+ mask =
+ INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
+ REG_WRITE(ah, AR_CFG, mask);
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+ "Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
+ }
+ } else {
+#ifdef __BIG_ENDIAN
+ REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
+#endif
+ }
+
+ return 0;
+}
+
+/************************/
+/* Key Cache Management */
+/************************/
+
+bool ath9k_hw_keyreset(struct ath_hw *ah, u16 entry)
+{
+ u32 keyType;
+
+ if (entry >= ah->caps.keycache_size) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "keychache entry %u out of range\n", entry);
+ return false;
+ }
+
+ keyType = REG_READ(ah, AR_KEYTABLE_TYPE(entry));
+
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), AR_KEYTABLE_TYPE_CLR);
+ REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), 0);
+
+ if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
+ u16 micentry = entry + 64;
+
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
+
+ }
+
+ if (ah->curchan == NULL)
+ return true;
+
+ return true;
+}
+
+bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
+{
+ u32 macHi, macLo;
+
+ if (entry >= ah->caps.keycache_size) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "keychache entry %u out of range\n", entry);
+ return false;
+ }
+
+ if (mac != NULL) {
+ macHi = (mac[5] << 8) | mac[4];
+ macLo = (mac[3] << 24) |
+ (mac[2] << 16) |
+ (mac[1] << 8) |
+ mac[0];
+ macLo >>= 1;
+ macLo |= (macHi & 1) << 31;
+ macHi >>= 1;
+ } else {
+ macLo = macHi = 0;
+ }
+ REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
+ REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
+
+ return true;
+}
+
+bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
+ const struct ath9k_keyval *k,
+ const u8 *mac)
+{
+ const struct ath9k_hw_capabilities *pCap = &ah->caps;
+ u32 key0, key1, key2, key3, key4;
+ u32 keyType;
+
+ if (entry >= pCap->keycache_size) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "keycache entry %u out of range\n", entry);
+ return false;
+ }
+
+ switch (k->kv_type) {
+ case ATH9K_CIPHER_AES_OCB:
+ keyType = AR_KEYTABLE_TYPE_AES;
+ break;
+ case ATH9K_CIPHER_AES_CCM:
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_CIPHER_AESCCM)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "AES-CCM not supported by mac rev 0x%x\n",
+ ah->hw_version.macRev);
+ return false;
+ }
+ keyType = AR_KEYTABLE_TYPE_CCM;
+ break;
+ case ATH9K_CIPHER_TKIP:
+ keyType = AR_KEYTABLE_TYPE_TKIP;
+ if (ATH9K_IS_MIC_ENABLED(ah)
+ && entry + 64 >= pCap->keycache_size) {
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "entry %u inappropriate for TKIP\n", entry);
+ return false;
+ }
+ break;
+ case ATH9K_CIPHER_WEP:
+ if (k->kv_len < LEN_WEP40) {
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "WEP key length %u too small\n", k->kv_len);
+ return false;
+ }
+ if (k->kv_len <= LEN_WEP40)
+ keyType = AR_KEYTABLE_TYPE_40;
+ else if (k->kv_len <= LEN_WEP104)
+ keyType = AR_KEYTABLE_TYPE_104;
+ else
+ keyType = AR_KEYTABLE_TYPE_128;
+ break;
+ case ATH9K_CIPHER_CLR:
+ keyType = AR_KEYTABLE_TYPE_CLR;
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "cipher %u not supported\n", k->kv_type);
+ return false;
+ }
+
+ key0 = get_unaligned_le32(k->kv_val + 0);
+ key1 = get_unaligned_le16(k->kv_val + 4);
+ key2 = get_unaligned_le32(k->kv_val + 6);
+ key3 = get_unaligned_le16(k->kv_val + 10);
+ key4 = get_unaligned_le32(k->kv_val + 12);
+ if (k->kv_len <= LEN_WEP104)
+ key4 &= 0xff;
+
+ /*
+ * Note: Key cache registers access special memory area that requires
+ * two 32-bit writes to actually update the values in the internal
+ * memory. Consequently, the exact order and pairs used here must be
+ * maintained.
+ */
+
+ if (keyType == AR_KEYTABLE_TYPE_TKIP && ATH9K_IS_MIC_ENABLED(ah)) {
+ u16 micentry = entry + 64;
+
+ /*
+ * Write inverted key[47:0] first to avoid Michael MIC errors
+ * on frames that could be sent or received at the same time.
+ * The correct key will be written in the end once everything
+ * else is ready.
+ */
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), ~key0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), ~key1);
+
+ /* Write key[95:48] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
+
+ /* Write key[127:96] and key type */
+ REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
+ REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
+
+ /* Write MAC address for the entry */
+ (void) ath9k_hw_keysetmac(ah, entry, mac);
+
+ if (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) {
+ /*
+ * TKIP uses two key cache entries:
+ * Michael MIC TX/RX keys in the same key cache entry
+ * (idx = main index + 64):
+ * key0 [31:0] = RX key [31:0]
+ * key1 [15:0] = TX key [31:16]
+ * key1 [31:16] = reserved
+ * key2 [31:0] = RX key [63:32]
+ * key3 [15:0] = TX key [15:0]
+ * key3 [31:16] = reserved
+ * key4 [31:0] = TX key [63:32]
+ */
+ u32 mic0, mic1, mic2, mic3, mic4;
+
+ mic0 = get_unaligned_le32(k->kv_mic + 0);
+ mic2 = get_unaligned_le32(k->kv_mic + 4);
+ mic1 = get_unaligned_le16(k->kv_txmic + 2) & 0xffff;
+ mic3 = get_unaligned_le16(k->kv_txmic + 0) & 0xffff;
+ mic4 = get_unaligned_le32(k->kv_txmic + 4);
+
+ /* Write RX[31:0] and TX[31:16] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), mic1);
+
+ /* Write RX[63:32] and TX[15:0] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), mic3);
+
+ /* Write TX[63:32] and keyType(reserved) */
+ REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), mic4);
+ REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
+ AR_KEYTABLE_TYPE_CLR);
+
+ } else {
+ /*
+ * TKIP uses four key cache entries (two for group
+ * keys):
+ * Michael MIC TX/RX keys are in different key cache
+ * entries (idx = main index + 64 for TX and
+ * main index + 32 + 96 for RX):
+ * key0 [31:0] = TX/RX MIC key [31:0]
+ * key1 [31:0] = reserved
+ * key2 [31:0] = TX/RX MIC key [63:32]
+ * key3 [31:0] = reserved
+ * key4 [31:0] = reserved
+ *
+ * Upper layer code will call this function separately
+ * for TX and RX keys when these registers offsets are
+ * used.
+ */
+ u32 mic0, mic2;
+
+ mic0 = get_unaligned_le32(k->kv_mic + 0);
+ mic2 = get_unaligned_le32(k->kv_mic + 4);
+
+ /* Write MIC key[31:0] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(micentry), mic0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(micentry), 0);
+
+ /* Write MIC key[63:32] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(micentry), mic2);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(micentry), 0);
+
+ /* Write TX[63:32] and keyType(reserved) */
+ REG_WRITE(ah, AR_KEYTABLE_KEY4(micentry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_TYPE(micentry),
+ AR_KEYTABLE_TYPE_CLR);
+ }
+
+ /* MAC address registers are reserved for the MIC entry */
+ REG_WRITE(ah, AR_KEYTABLE_MAC0(micentry), 0);
+ REG_WRITE(ah, AR_KEYTABLE_MAC1(micentry), 0);
+
+ /*
+ * Write the correct (un-inverted) key[47:0] last to enable
+ * TKIP now that all other registers are set with correct
+ * values.
+ */
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
+ } else {
+ /* Write key[47:0] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY0(entry), key0);
+ REG_WRITE(ah, AR_KEYTABLE_KEY1(entry), key1);
+
+ /* Write key[95:48] */
+ REG_WRITE(ah, AR_KEYTABLE_KEY2(entry), key2);
+ REG_WRITE(ah, AR_KEYTABLE_KEY3(entry), key3);
+
+ /* Write key[127:96] and key type */
+ REG_WRITE(ah, AR_KEYTABLE_KEY4(entry), key4);
+ REG_WRITE(ah, AR_KEYTABLE_TYPE(entry), keyType);
+
+ /* Write MAC address for the entry */
+ (void) ath9k_hw_keysetmac(ah, entry, mac);
+ }
+
+ return true;
+}
+
+bool ath9k_hw_keyisvalid(struct ath_hw *ah, u16 entry)
+{
+ if (entry < ah->caps.keycache_size) {
+ u32 val = REG_READ(ah, AR_KEYTABLE_MAC1(entry));
+ if (val & AR_KEYTABLE_VALID)
+ return true;
+ }
+ return false;
+}
+
+/******************************/
+/* Power Management (Chipset) */
+/******************************/
+
+static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
+{
+ REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
+ if (setChip) {
+ REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_EN);
+ if (!AR_SREV_9100(ah))
+ REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
+
+ REG_CLR_BIT(ah, (AR_RTC_RESET),
+ AR_RTC_RESET_EN);
+ }
+}
+
+static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
+{
+ REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
+ if (setChip) {
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ REG_WRITE(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_ON_INT);
+ } else {
+ REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_EN);
+ }
+ }
+}
+
+static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
+{
+ u32 val;
+ int i;
+
+ if (setChip) {
+ if ((REG_READ(ah, AR_RTC_STATUS) &
+ AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) {
+ if (ath9k_hw_set_reset_reg(ah,
+ ATH9K_RESET_POWER_ON) != true) {
+ return false;
+ }
+ }
+ if (AR_SREV_9100(ah))
+ REG_SET_BIT(ah, AR_RTC_RESET,
+ AR_RTC_RESET_EN);
+
+ REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_EN);
+ udelay(50);
+
+ for (i = POWER_UP_TIME / 50; i > 0; i--) {
+ val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M;
+ if (val == AR_RTC_STATUS_ON)
+ break;
+ udelay(50);
+ REG_SET_BIT(ah, AR_RTC_FORCE_WAKE,
+ AR_RTC_FORCE_WAKE_EN);
+ }
+ if (i == 0) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Failed to wakeup in %uus\n", POWER_UP_TIME / 20);
+ return false;
+ }
+ }
+
+ REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
+
+ return true;
+}
+
+bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
+{
+ int status = true, setChip = true;
+ static const char *modes[] = {
+ "AWAKE",
+ "FULL-SLEEP",
+ "NETWORK SLEEP",
+ "UNDEFINED"
+ };
+
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s -> %s\n",
+ modes[ah->power_mode], modes[mode]);
+
+ switch (mode) {
+ case ATH9K_PM_AWAKE:
+ status = ath9k_hw_set_power_awake(ah, setChip);
+ break;
+ case ATH9K_PM_FULL_SLEEP:
+ ath9k_set_power_sleep(ah, setChip);
+ ah->chip_fullsleep = true;
+ break;
+ case ATH9K_PM_NETWORK_SLEEP:
+ ath9k_set_power_network_sleep(ah, setChip);
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Unknown power mode %u\n", mode);
+ return false;
+ }
+ ah->power_mode = mode;
+
+ return status;
+}
+
+/*
+ * Helper for ASPM support.
+ *
+ * Disable PLL when in L0s as well as receiver clock when in L1.
+ * This power saving option must be enabled through the SerDes.
+ *
+ * Programming the SerDes must go through the same 288 bit serial shift
+ * register as the other analog registers. Hence the 9 writes.
+ */
+void ath9k_hw_configpcipowersave(struct ath_hw *ah, int restore)
+{
+ u8 i;
+
+ if (ah->is_pciexpress != true)
+ return;
+
+ /* Do not touch SerDes registers */
+ if (ah->config.pcie_powersave_enable == 2)
+ return;
+
+ /* Nothing to do on restore for 11N */
+ if (restore)
+ return;
+
+ if (AR_SREV_9280_20_OR_LATER(ah)) {
+ /*
+ * AR9280 2.0 or later chips use SerDes values from the
+ * initvals.h initialized depending on chipset during
+ * ath9k_hw_do_attach()
+ */
+ for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
+ REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
+ INI_RA(&ah->iniPcieSerdes, i, 1));
+ }
+ } else if (AR_SREV_9280(ah) &&
+ (ah->hw_version.macRev == AR_SREV_REVISION_9280_10)) {
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fd00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+ /* RX shut off when elecidle is asserted */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xa8000019);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x13160820);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980560);
+
+ /* Shut off CLKREQ active in L1 */
+ if (ah->config.pcie_clock_req)
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffc);
+ else
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x401deffd);
+
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x00043007);
+
+ /* Load the new settings */
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+
+ } else {
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x9248fc00);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x24924924);
+
+ /* RX shut off when elecidle is asserted */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x28000039);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x53160824);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xe5980579);
+
+ /*
+ * Ignore ah->ah_config.pcie_clock_req setting for
+ * pre-AR9280 11n
+ */
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x001defff);
+
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x1aaabe40);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0xbe105554);
+ REG_WRITE(ah, AR_PCIE_SERDES, 0x000e3007);
+
+ /* Load the new settings */
+ REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000);
+ }
+
+ udelay(1000);
+
+ /* set bit 19 to allow forcing of pcie core into L1 state */
+ REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
+
+ /* Several PCIe massages to ensure proper behaviour */
+ if (ah->config.pcie_waen) {
+ REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
+ } else {
+ if (AR_SREV_9285(ah))
+ REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
+ /*
+ * On AR9280 chips bit 22 of 0x4004 needs to be set to
+ * otherwise card may disappear.
+ */
+ else if (AR_SREV_9280(ah))
+ REG_WRITE(ah, AR_WA, AR9280_WA_DEFAULT);
+ else
+ REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
+ }
+}
+
+/**********************/
+/* Interrupt Handling */
+/**********************/
+
+bool ath9k_hw_intrpend(struct ath_hw *ah)
+{
+ u32 host_isr;
+
+ if (AR_SREV_9100(ah))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
+ if ((host_isr & AR_INTR_MAC_IRQ) && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ host_isr = REG_READ(ah, AR_INTR_SYNC_CAUSE);
+ if ((host_isr & AR_INTR_SYNC_DEFAULT)
+ && (host_isr != AR_INTR_SPURIOUS))
+ return true;
+
+ return false;
+}
+
+bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked)
+{
+ u32 isr = 0;
+ u32 mask2 = 0;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ u32 sync_cause = 0;
+ bool fatal_int = false;
+
+ if (!AR_SREV_9100(ah)) {
+ if (REG_READ(ah, AR_INTR_ASYNC_CAUSE) & AR_INTR_MAC_IRQ) {
+ if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
+ == AR_RTC_STATUS_ON) {
+ isr = REG_READ(ah, AR_ISR);
+ }
+ }
+
+ sync_cause = REG_READ(ah, AR_INTR_SYNC_CAUSE) &
+ AR_INTR_SYNC_DEFAULT;
+
+ *masked = 0;
+
+ if (!isr && !sync_cause)
+ return false;
+ } else {
+ *masked = 0;
+ isr = REG_READ(ah, AR_ISR);
+ }
+
+ if (isr) {
+ if (isr & AR_ISR_BCNMISC) {
+ u32 isr2;
+ isr2 = REG_READ(ah, AR_ISR_S2);
+ if (isr2 & AR_ISR_S2_TIM)
+ mask2 |= ATH9K_INT_TIM;
+ if (isr2 & AR_ISR_S2_DTIM)
+ mask2 |= ATH9K_INT_DTIM;
+ if (isr2 & AR_ISR_S2_DTIMSYNC)
+ mask2 |= ATH9K_INT_DTIMSYNC;
+ if (isr2 & (AR_ISR_S2_CABEND))
+ mask2 |= ATH9K_INT_CABEND;
+ if (isr2 & AR_ISR_S2_GTT)
+ mask2 |= ATH9K_INT_GTT;
+ if (isr2 & AR_ISR_S2_CST)
+ mask2 |= ATH9K_INT_CST;
+ if (isr2 & AR_ISR_S2_TSFOOR)
+ mask2 |= ATH9K_INT_TSFOOR;
+ }
+
+ isr = REG_READ(ah, AR_ISR_RAC);
+ if (isr == 0xffffffff) {
+ *masked = 0;
+ return false;
+ }
+
+ *masked = isr & ATH9K_INT_COMMON;
+
+ if (ah->config.intr_mitigation) {
+ if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))
+ *masked |= ATH9K_INT_RX;
+ }
+
+ if (isr & (AR_ISR_RXOK | AR_ISR_RXERR))
+ *masked |= ATH9K_INT_RX;
+ if (isr &
+ (AR_ISR_TXOK | AR_ISR_TXDESC | AR_ISR_TXERR |
+ AR_ISR_TXEOL)) {
+ u32 s0_s, s1_s;
+
+ *masked |= ATH9K_INT_TX;
+
+ s0_s = REG_READ(ah, AR_ISR_S0_S);
+ ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXOK);
+ ah->intr_txqs |= MS(s0_s, AR_ISR_S0_QCU_TXDESC);
+
+ s1_s = REG_READ(ah, AR_ISR_S1_S);
+ ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXERR);
+ ah->intr_txqs |= MS(s1_s, AR_ISR_S1_QCU_TXEOL);
+ }
+
+ if (isr & AR_ISR_RXORN) {
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+ "receive FIFO overrun interrupt\n");
+ }
+
+ if (!AR_SREV_9100(ah)) {
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ u32 isr5 = REG_READ(ah, AR_ISR_S5_S);
+ if (isr5 & AR_ISR_S5_TIM_TIMER)
+ *masked |= ATH9K_INT_TIM_TIMER;
+ }
+ }
+
+ *masked |= mask2;
+ }
+
+ if (AR_SREV_9100(ah))
+ return true;
+
+ if (sync_cause) {
+ fatal_int =
+ (sync_cause &
+ (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
+ ? true : false;
+
+ if (fatal_int) {
+ if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "received PCI FATAL interrupt\n");
+ }
+ if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
+ DPRINTF(ah->ah_sc, ATH_DBG_ANY,
+ "received PCI PERR interrupt\n");
+ }
+ }
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_RADM_CPL_TIMEOUT\n");
+ REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
+ REG_WRITE(ah, AR_RC, 0);
+ *masked |= ATH9K_INT_FATAL;
+ }
+ if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT) {
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT,
+ "AR_INTR_SYNC_LOCAL_TIMEOUT\n");
+ }
+
+ REG_WRITE(ah, AR_INTR_SYNC_CAUSE_CLR, sync_cause);
+ (void) REG_READ(ah, AR_INTR_SYNC_CAUSE_CLR);
+ }
+
+ return true;
+}
+
+enum ath9k_int ath9k_hw_intrget(struct ath_hw *ah)
+{
+ return ah->mask_reg;
+}
+
+enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
+{
+ u32 omask = ah->mask_reg;
+ u32 mask, mask2;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+
+ if (omask & ATH9K_INT_GLOBAL) {
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "disable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
+ (void) REG_READ(ah, AR_IER);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
+ }
+ }
+
+ mask = ints & ATH9K_INT_COMMON;
+ mask2 = 0;
+
+ if (ints & ATH9K_INT_TX) {
+ if (ah->txok_interrupt_mask)
+ mask |= AR_IMR_TXOK;
+ if (ah->txdesc_interrupt_mask)
+ mask |= AR_IMR_TXDESC;
+ if (ah->txerr_interrupt_mask)
+ mask |= AR_IMR_TXERR;
+ if (ah->txeol_interrupt_mask)
+ mask |= AR_IMR_TXEOL;
+ }
+ if (ints & ATH9K_INT_RX) {
+ mask |= AR_IMR_RXERR;
+ if (ah->config.intr_mitigation)
+ mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;
+ else
+ mask |= AR_IMR_RXOK | AR_IMR_RXDESC;
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
+ mask |= AR_IMR_GENTMR;
+ }
+
+ if (ints & (ATH9K_INT_BMISC)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_TIM)
+ mask2 |= AR_IMR_S2_TIM;
+ if (ints & ATH9K_INT_DTIM)
+ mask2 |= AR_IMR_S2_DTIM;
+ if (ints & ATH9K_INT_DTIMSYNC)
+ mask2 |= AR_IMR_S2_DTIMSYNC;
+ if (ints & ATH9K_INT_CABEND)
+ mask2 |= AR_IMR_S2_CABEND;
+ if (ints & ATH9K_INT_TSFOOR)
+ mask2 |= AR_IMR_S2_TSFOOR;
+ }
+
+ if (ints & (ATH9K_INT_GTT | ATH9K_INT_CST)) {
+ mask |= AR_IMR_BCNMISC;
+ if (ints & ATH9K_INT_GTT)
+ mask2 |= AR_IMR_S2_GTT;
+ if (ints & ATH9K_INT_CST)
+ mask2 |= AR_IMR_S2_CST;
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+ REG_WRITE(ah, AR_IMR, mask);
+ mask = REG_READ(ah, AR_IMR_S2) & ~(AR_IMR_S2_TIM |
+ AR_IMR_S2_DTIM |
+ AR_IMR_S2_DTIMSYNC |
+ AR_IMR_S2_CABEND |
+ AR_IMR_S2_CABTO |
+ AR_IMR_S2_TSFOOR |
+ AR_IMR_S2_GTT | AR_IMR_S2_CST);
+ REG_WRITE(ah, AR_IMR_S2, mask | mask2);
+ ah->mask_reg = ints;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) {
+ if (ints & ATH9K_INT_TIM_TIMER)
+ REG_SET_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ else
+ REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
+ }
+
+ if (ints & ATH9K_INT_GLOBAL) {
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "enable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
+ AR_INTR_MAC_IRQ);
+ REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
+
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
+ AR_INTR_SYNC_DEFAULT);
+ REG_WRITE(ah, AR_INTR_SYNC_MASK,
+ AR_INTR_SYNC_DEFAULT);
+ }
+ DPRINTF(ah->ah_sc, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+ REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+ }
+
+ return omask;
+}
+
+/*******************/
+/* Beacon Handling */
+/*******************/
+
+void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
+{
+ int flags = 0;
+
+ ah->beacon_interval = beacon_period;
+
+ switch (ah->opmode) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_MONITOR:
+ REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
+ REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, 0xffff);
+ REG_WRITE(ah, AR_NEXT_SWBA, 0x7ffff);
+ flags |= AR_TBTT_TIMER_EN;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ REG_SET_BIT(ah, AR_TXCFG,
+ AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
+ REG_WRITE(ah, AR_NEXT_NDP_TIMER,
+ TU_TO_USEC(next_beacon +
+ (ah->atim_window ? ah->
+ atim_window : 1)));
+ flags |= AR_NDP_TIMER_EN;
+ case NL80211_IFTYPE_AP:
+ REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(next_beacon));
+ REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT,
+ TU_TO_USEC(next_beacon -
+ ah->config.
+ dma_beacon_response_time));
+ REG_WRITE(ah, AR_NEXT_SWBA,
+ TU_TO_USEC(next_beacon -
+ ah->config.
+ sw_beacon_response_time));
+ flags |=
+ AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
+ break;
+ default:
+ DPRINTF(ah->ah_sc, ATH_DBG_BEACON,
+ "%s: unsupported opmode: %d\n",
+ __func__, ah->opmode);
+ return;
+ break;
+ }
+
+ REG_WRITE(ah, AR_BEACON_PERIOD, TU_TO_USEC(beacon_period));
+ REG_WRITE(ah, AR_DMA_BEACON_PERIOD, TU_TO_USEC(beacon_period));
+ REG_WRITE(ah, AR_SWBA_PERIOD, TU_TO_USEC(beacon_period));
+ REG_WRITE(ah, AR_NDP_PERIOD, TU_TO_USEC(beacon_period));
+
+ beacon_period &= ~ATH9K_BEACON_ENA;
+ if (beacon_period & ATH9K_BEACON_RESET_TSF) {
+ beacon_period &= ~ATH9K_BEACON_RESET_TSF;
+ ath9k_hw_reset_tsf(ah);
+ }
+
+ REG_SET_BIT(ah, AR_TIMER_MODE, flags);
+}
+
+void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
+ const struct ath9k_beacon_state *bs)
+{
+ u32 nextTbtt, beaconintval, dtimperiod, beacontimeout;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+
+ REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
+
+ REG_WRITE(ah, AR_BEACON_PERIOD,
+ TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+ REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
+ TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+
+ REG_RMW_FIELD(ah, AR_RSSI_THR,
+ AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
+
+ beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
+
+ if (bs->bs_sleepduration > beaconintval)
+ beaconintval = bs->bs_sleepduration;
+
+ dtimperiod = bs->bs_dtimperiod;
+ if (bs->bs_sleepduration > dtimperiod)
+ dtimperiod = bs->bs_sleepduration;
+
+ if (beaconintval == dtimperiod)
+ nextTbtt = bs->bs_nextdtim;
+ else
+ nextTbtt = bs->bs_nexttbtt;
+
+ DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
+ DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
+ DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
+ DPRINTF(ah->ah_sc, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
+
+ REG_WRITE(ah, AR_NEXT_DTIM,
+ TU_TO_USEC(bs->bs_nextdtim - SLEEP_SLOP));
+ REG_WRITE(ah, AR_NEXT_TIM, TU_TO_USEC(nextTbtt - SLEEP_SLOP));
+
+ REG_WRITE(ah, AR_SLEEP1,
+ SM((CAB_TIMEOUT_VAL << 3), AR_SLEEP1_CAB_TIMEOUT)
+ | AR_SLEEP1_ASSUME_DTIM);
+
+ if (pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)
+ beacontimeout = (BEACON_TIMEOUT_VAL << 3);
+ else
+ beacontimeout = MIN_BEACON_TIMEOUT_VAL;
+
+ REG_WRITE(ah, AR_SLEEP2,
+ SM(beacontimeout, AR_SLEEP2_BEACON_TIMEOUT));
+
+ REG_WRITE(ah, AR_TIM_PERIOD, TU_TO_USEC(beaconintval));
+ REG_WRITE(ah, AR_DTIM_PERIOD, TU_TO_USEC(dtimperiod));
+
+ REG_SET_BIT(ah, AR_TIMER_MODE,
+ AR_TBTT_TIMER_EN | AR_TIM_TIMER_EN |
+ AR_DTIM_TIMER_EN);
+
+ /* TSF Out of Range Threshold */
+ REG_WRITE(ah, AR_TSFOOR_THRESHOLD, bs->bs_tsfoor_threshold);
+}
+
+/*******************/
+/* HW Capabilities */
+/*******************/
+
+void ath9k_hw_fill_cap_info(struct ath_hw *ah)
+{
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ u16 capField = 0, eeval;
+
+ eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
+ ah->regulatory.current_rd = eeval;
+
+ eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
+ if (AR_SREV_9285_10_OR_LATER(ah))
+ eeval |= AR9285_RDEXT_DEFAULT;
+ ah->regulatory.current_rd_ext = eeval;
+
+ capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);
+
+ if (ah->opmode != NL80211_IFTYPE_AP &&
+ ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
+ if (ah->regulatory.current_rd == 0x64 ||
+ ah->regulatory.current_rd == 0x65)
+ ah->regulatory.current_rd += 5;
+ else if (ah->regulatory.current_rd == 0x41)
+ ah->regulatory.current_rd = 0x43;
+ DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
+ "regdomain mapped to 0x%x\n", ah->regulatory.current_rd);
+ }
+
+ eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
+ bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
+
+ if (eeval & AR5416_OPFLAGS_11A) {
+ set_bit(ATH9K_MODE_11A, pCap->wireless_modes);
+ if (ah->config.ht_enable) {
+ if (!(eeval & AR5416_OPFLAGS_N_5G_HT20))
+ set_bit(ATH9K_MODE_11NA_HT20,
+ pCap->wireless_modes);
+ if (!(eeval & AR5416_OPFLAGS_N_5G_HT40)) {
+ set_bit(ATH9K_MODE_11NA_HT40PLUS,
+ pCap->wireless_modes);
+ set_bit(ATH9K_MODE_11NA_HT40MINUS,
+ pCap->wireless_modes);
+ }
+ }
+ }
+
+ if (eeval & AR5416_OPFLAGS_11G) {
+ set_bit(ATH9K_MODE_11B, pCap->wireless_modes);
+ set_bit(ATH9K_MODE_11G, pCap->wireless_modes);
+ if (ah->config.ht_enable) {
+ if (!(eeval & AR5416_OPFLAGS_N_2G_HT20))
+ set_bit(ATH9K_MODE_11NG_HT20,
+ pCap->wireless_modes);
+ if (!(eeval & AR5416_OPFLAGS_N_2G_HT40)) {
+ set_bit(ATH9K_MODE_11NG_HT40PLUS,
+ pCap->wireless_modes);
+ set_bit(ATH9K_MODE_11NG_HT40MINUS,
+ pCap->wireless_modes);
+ }
+ }
+ }
+
+ pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
+ if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
+ !(eeval & AR5416_OPFLAGS_11A))
+ pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
+ else
+ pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
+
+ if (!(AR_SREV_9280(ah) && (ah->hw_version.macRev == 0)))
+ ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
+
+ pCap->low_2ghz_chan = 2312;
+ pCap->high_2ghz_chan = 2732;
+
+ pCap->low_5ghz_chan = 4920;
+ pCap->high_5ghz_chan = 6100;
+
+ pCap->hw_caps &= ~ATH9K_HW_CAP_CIPHER_CKIP;
+ pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_TKIP;
+ pCap->hw_caps |= ATH9K_HW_CAP_CIPHER_AESCCM;
+
+ pCap->hw_caps &= ~ATH9K_HW_CAP_MIC_CKIP;
+ pCap->hw_caps |= ATH9K_HW_CAP_MIC_TKIP;
+ pCap->hw_caps |= ATH9K_HW_CAP_MIC_AESCCM;
+
+ if (ah->config.ht_enable)
+ pCap->hw_caps |= ATH9K_HW_CAP_HT;
+ else
+ pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
+
+ pCap->hw_caps |= ATH9K_HW_CAP_GTT;
+ pCap->hw_caps |= ATH9K_HW_CAP_VEOL;
+ pCap->hw_caps |= ATH9K_HW_CAP_BSSIDMASK;
+ pCap->hw_caps &= ~ATH9K_HW_CAP_MCAST_KEYSEARCH;
+
+ if (capField & AR_EEPROM_EEPCAP_MAXQCU)
+ pCap->total_queues =
+ MS(capField, AR_EEPROM_EEPCAP_MAXQCU);
+ else
+ pCap->total_queues = ATH9K_NUM_TX_QUEUES;
+
+ if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
+ pCap->keycache_size =
+ 1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
+ else
+ pCap->keycache_size = AR_KEYTABLE_SIZE;
+
+ pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
+ pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
+
+ if (AR_SREV_9285_10_OR_LATER(ah))
+ pCap->num_gpio_pins = AR9285_NUM_GPIO;
+ else if (AR_SREV_9280_10_OR_LATER(ah))
+ pCap->num_gpio_pins = AR928X_NUM_GPIO;
+ else
+ pCap->num_gpio_pins = AR_NUM_GPIO;
+
+ if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) {
+ pCap->hw_caps |= ATH9K_HW_CAP_CST;
+ pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
+ } else {
+ pCap->rts_aggr_limit = (8 * 1024);
+ }
+
+ pCap->hw_caps |= ATH9K_HW_CAP_ENHANCEDPM;
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+ ah->rfsilent = ah->eep_ops->get_eeprom(ah, EEP_RF_SILENT);
+ if (ah->rfsilent & EEP_RFSILENT_ENABLED) {
+ ah->rfkill_gpio =
+ MS(ah->rfsilent, EEP_RFSILENT_GPIO_SEL);
+ ah->rfkill_polarity =
+ MS(ah->rfsilent, EEP_RFSILENT_POLARITY);
+
+ pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
+ }
+#endif
+
+ if ((ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) ||
+ (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) ||
+ (ah->hw_version.macVersion == AR_SREV_VERSION_9160) ||
+ (ah->hw_version.macVersion == AR_SREV_VERSION_9100) ||
+ (ah->hw_version.macVersion == AR_SREV_VERSION_9280))
+ pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
+ else
+ pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
+
+ if (AR_SREV_9280(ah) || AR_SREV_9285(ah))
+ pCap->hw_caps &= ~ATH9K_HW_CAP_4KB_SPLITTRANS;
+ else
+ pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;
+
+ if (ah->regulatory.current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
+ pCap->reg_cap =
+ AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
+ AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
+ AR_EEPROM_EEREGCAP_EN_KK_U2 |
+ AR_EEPROM_EEREGCAP_EN_KK_MIDBAND;
+ } else {
+ pCap->reg_cap =
+ AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
+ AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN;
+ }
+
+ pCap->reg_cap |= AR_EEPROM_EEREGCAP_EN_FCC_MIDBAND;
+
+ pCap->num_antcfg_5ghz =
+ ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_5GHZ);
+ pCap->num_antcfg_2ghz =
+ ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
+
+ if (AR_SREV_9280_10_OR_LATER(ah) && btcoex_enable) {
+ pCap->hw_caps |= ATH9K_HW_CAP_BT_COEX;
+ ah->btactive_gpio = 6;
+ ah->wlanactive_gpio = 5;
+ }
+}
+
+bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
+ u32 capability, u32 *result)
+{
+ switch (type) {
+ case ATH9K_CAP_CIPHER:
+ switch (capability) {
+ case ATH9K_CIPHER_AES_CCM:
+ case ATH9K_CIPHER_AES_OCB:
+ case ATH9K_CIPHER_TKIP:
+ case ATH9K_CIPHER_WEP:
+ case ATH9K_CIPHER_MIC:
+ case ATH9K_CIPHER_CLR:
+ return true;
+ default:
+ return false;
+ }
+ case ATH9K_CAP_TKIP_MIC:
+ switch (capability) {
+ case 0:
+ return true;
+ case 1:
+ return (ah->sta_id1_defaults &
+ AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
+ false;
+ }
+ case ATH9K_CAP_TKIP_SPLIT:
+ return (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) ?
+ false : true;
+ case ATH9K_CAP_DIVERSITY:
+ return (REG_READ(ah, AR_PHY_CCK_DETECT) &
+ AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV) ?
+ true : false;
+ case ATH9K_CAP_MCAST_KEYSRCH:
+ switch (capability) {
+ case 0:
+ return true;
+ case 1:
+ if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
+ return false;
+ } else {
+ return (ah->sta_id1_defaults &
+ AR_STA_ID1_MCAST_KSRCH) ? true :
+ false;
+ }
+ }
+ return false;
+ case ATH9K_CAP_TXPOW:
+ switch (capability) {
+ case 0:
+ return 0;
+ case 1:
+ *result = ah->regulatory.power_limit;
+ return 0;
+ case 2:
+ *result = ah->regulatory.max_power_level;
+ return 0;
+ case 3:
+ *result = ah->regulatory.tp_scale;
+ return 0;
+ }
+ return false;
+ case ATH9K_CAP_DS:
+ return (AR_SREV_9280_20_OR_LATER(ah) &&
+ (ah->eep_ops->get_eeprom(ah, EEP_RC_CHAIN_MASK) == 1))
+ ? false : true;
+ default:
+ return false;
+ }
+}
+
+bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
+ u32 capability, u32 setting, int *status)
+{
+ u32 v;
+
+ switch (type) {
+ case ATH9K_CAP_TKIP_MIC:
+ if (setting)
+ ah->sta_id1_defaults |=
+ AR_STA_ID1_CRPT_MIC_ENABLE;
+ else
+ ah->sta_id1_defaults &=
+ ~AR_STA_ID1_CRPT_MIC_ENABLE;
+ return true;
+ case ATH9K_CAP_DIVERSITY:
+ v = REG_READ(ah, AR_PHY_CCK_DETECT);
+ if (setting)
+ v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+ else
+ v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
+ REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
+ return true;
+ case ATH9K_CAP_MCAST_KEYSRCH:
+ if (setting)
+ ah->sta_id1_defaults |= AR_STA_ID1_MCAST_KSRCH;
+ else
+ ah->sta_id1_defaults &= ~AR_STA_ID1_MCAST_KSRCH;
+ return true;
+ default:
+ return false;
+ }
+}
+
+/****************************/
+/* GPIO / RFKILL / Antennae */
+/****************************/
+
+static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah,
+ u32 gpio, u32 type)
+{
+ int addr;
+ u32 gpio_shift, tmp;
+
+ if (gpio > 11)
+ addr = AR_GPIO_OUTPUT_MUX3;
+ else if (gpio > 5)
+ addr = AR_GPIO_OUTPUT_MUX2;
+ else
+ addr = AR_GPIO_OUTPUT_MUX1;
+
+ gpio_shift = (gpio % 6) * 5;
+
+ if (AR_SREV_9280_20_OR_LATER(ah)
+ || (addr != AR_GPIO_OUTPUT_MUX1)) {
+ REG_RMW(ah, addr, (type << gpio_shift),
+ (0x1f << gpio_shift));
+ } else {
+ tmp = REG_READ(ah, addr);
+ tmp = ((tmp & 0x1F0) << 1) | (tmp & ~0x1F0);
+ tmp &= ~(0x1f << gpio_shift);
+ tmp |= (type << gpio_shift);
+ REG_WRITE(ah, addr, tmp);
+ }
+}
+
+void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio)
+{
+ u32 gpio_shift;
+
+ ASSERT(gpio < ah->caps.num_gpio_pins);
+
+ gpio_shift = gpio << 1;
+
+ REG_RMW(ah,
+ AR_GPIO_OE_OUT,
+ (AR_GPIO_OE_OUT_DRV_NO << gpio_shift),
+ (AR_GPIO_OE_OUT_DRV << gpio_shift));
+}
+
+u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio)
+{
+#define MS_REG_READ(x, y) \
+ (MS(REG_READ(ah, AR_GPIO_IN_OUT), x##_GPIO_IN_VAL) & (AR_GPIO_BIT(y)))
+
+ if (gpio >= ah->caps.num_gpio_pins)
+ return 0xffffffff;
+
+ if (AR_SREV_9285_10_OR_LATER(ah))
+ return MS_REG_READ(AR9285, gpio) != 0;
+ else if (AR_SREV_9280_10_OR_LATER(ah))
+ return MS_REG_READ(AR928X, gpio) != 0;
+ else
+ return MS_REG_READ(AR, gpio) != 0;
+}
+
+void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
+ u32 ah_signal_type)
+{
+ u32 gpio_shift;
+
+ ath9k_hw_gpio_cfg_output_mux(ah, gpio, ah_signal_type);
+
+ gpio_shift = 2 * gpio;
+
+ REG_RMW(ah,
+ AR_GPIO_OE_OUT,
+ (AR_GPIO_OE_OUT_DRV_ALL << gpio_shift),
+ (AR_GPIO_OE_OUT_DRV << gpio_shift));
+}
+
+void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
+{
+ REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
+ AR_GPIO_BIT(gpio));
+}
+
+#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
+void ath9k_enable_rfkill(struct ath_hw *ah)
+{
+ REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+ AR_GPIO_INPUT_EN_VAL_RFSILENT_BB);
+
+ REG_CLR_BIT(ah, AR_GPIO_INPUT_MUX2,
+ AR_GPIO_INPUT_MUX2_RFSILENT);
+
+ ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
+ REG_SET_BIT(ah, AR_PHY_TEST, RFSILENT_BB);
+}
+#endif
+
+u32 ath9k_hw_getdefantenna(struct ath_hw *ah)
+{
+ return REG_READ(ah, AR_DEF_ANTENNA) & 0x7;
+}
+
+void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
+{
+ REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
+}
+
+bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
+ enum ath9k_ant_setting settings,
+ struct ath9k_channel *chan,
+ u8 *tx_chainmask,
+ u8 *rx_chainmask,
+ u8 *antenna_cfgd)
+{
+ static u8 tx_chainmask_cfg, rx_chainmask_cfg;
+
+ if (AR_SREV_9280(ah)) {
+ if (!tx_chainmask_cfg) {
+
+ tx_chainmask_cfg = *tx_chainmask;
+ rx_chainmask_cfg = *rx_chainmask;
+ }
+
+ switch (settings) {
+ case ATH9K_ANT_FIXED_A:
+ *tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
+ *rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
+ *antenna_cfgd = true;
+ break;
+ case ATH9K_ANT_FIXED_B:
+ if (ah->caps.tx_chainmask >
+ ATH9K_ANTENNA1_CHAINMASK) {
+ *tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
+ }
+ *rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
+ *antenna_cfgd = true;
+ break;
+ case ATH9K_ANT_VARIABLE:
+ *tx_chainmask = tx_chainmask_cfg;
+ *rx_chainmask = rx_chainmask_cfg;
+ *antenna_cfgd = true;
+ break;
+ default:
+ break;
+ }
+ } else {
+ ah->diversity_control = settings;
+ }
+
+ return true;
+}
+
+/*********************/
+/* General Operation */
+/*********************/
+
+u32 ath9k_hw_getrxfilter(struct ath_hw *ah)
+{
+ u32 bits = REG_READ(ah, AR_RX_FILTER);
+ u32 phybits = REG_READ(ah, AR_PHY_ERR);
+
+ if (phybits & AR_PHY_ERR_RADAR)
+ bits |= ATH9K_RX_FILTER_PHYRADAR;
+ if (phybits & (AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING))
+ bits |= ATH9K_RX_FILTER_PHYERR;
+
+ return bits;
+}
+
+void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
+{
+ u32 phybits;
+
+ REG_WRITE(ah, AR_RX_FILTER, (bits & 0xffff) | AR_RX_COMPR_BAR);
+ phybits = 0;
+ if (bits & ATH9K_RX_FILTER_PHYRADAR)
+ phybits |= AR_PHY_ERR_RADAR;
+ if (bits & ATH9K_RX_FILTER_PHYERR)
+ phybits |= AR_PHY_ERR_OFDM_TIMING | AR_PHY_ERR_CCK_TIMING;
+ REG_WRITE(ah, AR_PHY_ERR, phybits);
+
+ if (phybits)
+ REG_WRITE(ah, AR_RXCFG,
+ REG_READ(ah, AR_RXCFG) | AR_RXCFG_ZLFDMA);
+ else
+ REG_WRITE(ah, AR_RXCFG,
+ REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_ZLFDMA);
+}
+
+bool ath9k_hw_phy_disable(struct ath_hw *ah)
+{
+ return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM);
+}
+
+bool ath9k_hw_disable(struct ath_hw *ah)
+{
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+ return false;
+
+ return ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD);
+}
+
+bool ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
+{
+ struct ath9k_channel *chan = ah->curchan;
+ struct ieee80211_channel *channel = chan->chan;
+
+ ah->regulatory.power_limit = min(limit, (u32) MAX_RATE_POWER);
+
+ if (ah->eep_ops->set_txpower(ah, chan,
+ ath9k_regd_get_ctl(&ah->regulatory, chan),
+ channel->max_antenna_gain * 2,
+ channel->max_power * 2,
+ min((u32) MAX_RATE_POWER,
+ (u32) ah->regulatory.power_limit)) != 0)
+ return false;
+
+ return true;
+}
+
+void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
+{
+ memcpy(ah->macaddr, mac, ETH_ALEN);
+}
+
+void ath9k_hw_setopmode(struct ath_hw *ah)
+{
+ ath9k_hw_set_operating_mode(ah, ah->opmode);
+}
+
+void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1)
+{
+ REG_WRITE(ah, AR_MCAST_FIL0, filter0);
+ REG_WRITE(ah, AR_MCAST_FIL1, filter1);
+}
+
+void ath9k_hw_setbssidmask(struct ath_softc *sc)
+{
+ REG_WRITE(sc->sc_ah, AR_BSSMSKL, get_unaligned_le32(sc->bssidmask));
+ REG_WRITE(sc->sc_ah, AR_BSSMSKU, get_unaligned_le16(sc->bssidmask + 4));
+}
+
+void ath9k_hw_write_associd(struct ath_softc *sc)
+{
+ REG_WRITE(sc->sc_ah, AR_BSS_ID0, get_unaligned_le32(sc->curbssid));
+ REG_WRITE(sc->sc_ah, AR_BSS_ID1, get_unaligned_le16(sc->curbssid + 4) |
+ ((sc->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
+}
+
+u64 ath9k_hw_gettsf64(struct ath_hw *ah)
+{
+ u64 tsf;
+
+ tsf = REG_READ(ah, AR_TSF_U32);
+ tsf = (tsf << 32) | REG_READ(ah, AR_TSF_L32);
+
+ return tsf;
+}
+
+void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
+{
+ REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
+ REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
+}
+
+void ath9k_hw_reset_tsf(struct ath_hw *ah)
+{
+ int count;
+
+ count = 0;
+ while (REG_READ(ah, AR_SLP32_MODE) & AR_SLP32_TSF_WRITE_STATUS) {
+ count++;
+ if (count > 10) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET,
+ "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
+ break;
+ }
+ udelay(10);
+ }
+ REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
+}
+
+bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
+{
+ if (setting)
+ ah->misc_mode |= AR_PCU_TX_ADD_TSF;
+ else
+ ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
+
+ return true;
+}
+
+bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
+{
+ if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "bad slot time %u\n", us);
+ ah->slottime = (u32) -1;
+ return false;
+ } else {
+ REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
+ ah->slottime = us;
+ return true;
+ }
+}
+
+void ath9k_hw_set11nmac2040(struct ath_hw *ah, enum ath9k_ht_macmode mode)
+{
+ u32 macmode;
+
+ if (mode == ATH9K_HT_MACMODE_2040 &&
+ !ah->config.cwm_ignore_extcca)
+ macmode = AR_2040_JOINED_RX_CLEAR;
+ else
+ macmode = 0;
+
+ REG_WRITE(ah, AR_2040_MODE, macmode);
+}
+
+/***************************/
+/* Bluetooth Coexistence */
+/***************************/
+
+void ath9k_hw_btcoex_enable(struct ath_hw *ah)
+{
+ /* connect bt_active to baseband */
+ REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+ (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
+ AR_GPIO_INPUT_EN_VAL_BT_FREQUENCY_DEF));
+
+ REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
+ AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB);
+
+ /* Set input mux for bt_active to gpio pin */
+ REG_RMW_FIELD(ah, AR_GPIO_INPUT_MUX1,
+ AR_GPIO_INPUT_MUX1_BT_ACTIVE,
+ ah->btactive_gpio);
+
+ /* Configure the desired gpio port for input */
+ ath9k_hw_cfg_gpio_input(ah, ah->btactive_gpio);
+
+ /* Configure the desired GPIO port for TX_FRAME output */
+ ath9k_hw_cfg_output(ah, ah->wlanactive_gpio,
+ AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 21:33:03 +0000