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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c3088
1 files changed, 0 insertions, 3088 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c b/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c
deleted file mode 100644
index 6dfd9644..00000000
--- a/ANDROID_3.4.5/drivers/net/wireless/ath/ath9k/hw.c
+++ /dev/null
@@ -1,3088 +0,0 @@
-/*
- * Copyright (c) 2008-2011 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 <linux/slab.h>
-#include <linux/module.h>
-#include <asm/unaligned.h>
-
-#include "hw.h"
-#include "hw-ops.h"
-#include "rc.h"
-#include "ar9003_mac.h"
-#include "ar9003_mci.h"
-
-static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
-
-MODULE_AUTHOR("Atheros Communications");
-MODULE_DESCRIPTION("Support for Atheros 802.11n wireless LAN cards.");
-MODULE_SUPPORTED_DEVICE("Atheros 802.11n WLAN cards");
-MODULE_LICENSE("Dual BSD/GPL");
-
-static int __init ath9k_init(void)
-{
- return 0;
-}
-module_init(ath9k_init);
-
-static void __exit ath9k_exit(void)
-{
- return;
-}
-module_exit(ath9k_exit);
-
-/* Private hardware callbacks */
-
-static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
-{
- ath9k_hw_private_ops(ah)->init_cal_settings(ah);
-}
-
-static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
-{
- ath9k_hw_private_ops(ah)->init_mode_regs(ah);
-}
-
-static u32 ath9k_hw_compute_pll_control(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- return ath9k_hw_private_ops(ah)->compute_pll_control(ah, chan);
-}
-
-static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
-{
- if (!ath9k_hw_private_ops(ah)->init_mode_gain_regs)
- return;
-
- ath9k_hw_private_ops(ah)->init_mode_gain_regs(ah);
-}
-
-static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah)
-{
- /* You will not have this callback if using the old ANI */
- if (!ath9k_hw_private_ops(ah)->ani_cache_ini_regs)
- return;
-
- ath9k_hw_private_ops(ah)->ani_cache_ini_regs(ah);
-}
-
-/********************/
-/* Helper Functions */
-/********************/
-
-static void ath9k_hw_set_clockrate(struct ath_hw *ah)
-{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
- struct ath_common *common = ath9k_hw_common(ah);
- unsigned int clockrate;
-
- /* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */
- if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah))
- clockrate = 117;
- else if (!ah->curchan) /* should really check for CCK instead */
- clockrate = ATH9K_CLOCK_RATE_CCK;
- else if (conf->channel->band == IEEE80211_BAND_2GHZ)
- clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
- else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
- clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
- else
- clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
-
- if (conf_is_ht40(conf))
- clockrate *= 2;
-
- if (ah->curchan) {
- if (IS_CHAN_HALF_RATE(ah->curchan))
- clockrate /= 2;
- if (IS_CHAN_QUARTER_RATE(ah->curchan))
- clockrate /= 4;
- }
-
- common->clockrate = clockrate;
-}
-
-static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- return usecs * common->clockrate;
-}
-
-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);
- }
-
- ath_dbg(ath9k_hw_common(ah), 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;
-}
-EXPORT_SYMBOL(ath9k_hw_wait);
-
-void ath9k_hw_write_array(struct ath_hw *ah, struct ar5416IniArray *array,
- int column, unsigned int *writecnt)
-{
- int r;
-
- ENABLE_REGWRITE_BUFFER(ah);
- for (r = 0; r < array->ia_rows; r++) {
- REG_WRITE(ah, INI_RA(array, r, 0),
- INI_RA(array, r, column));
- DO_DELAY(*writecnt);
- }
- REGWRITE_BUFFER_FLUSH(ah);
-}
-
-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;
-}
-
-u16 ath9k_hw_computetxtime(struct ath_hw *ah,
- u8 phy, int kbps,
- u32 frameLen, u16 rateix,
- bool shortPreamble)
-{
- u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
-
- if (kbps == 0)
- return 0;
-
- switch (phy) {
- case WLAN_RC_PHY_CCK:
- phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
- if (shortPreamble)
- 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:
- ath_err(ath9k_hw_common(ah),
- "Unknown phy %u (rate ix %u)\n", phy, rateix);
- txTime = 0;
- break;
- }
-
- return txTime;
-}
-EXPORT_SYMBOL(ath9k_hw_computetxtime);
-
-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);
- /* 25 MHz spacing is supported by hw but not on upper layers */
- centers->ext_center =
- centers->synth_center + (extoff * HT40_CHANNEL_CENTER_SHIFT);
-}
-
-/******************/
-/* Chip Revisions */
-/******************/
-
-static void ath9k_hw_read_revisions(struct ath_hw *ah)
-{
- u32 val;
-
- switch (ah->hw_version.devid) {
- case AR5416_AR9100_DEVID:
- ah->hw_version.macVersion = AR_SREV_VERSION_9100;
- break;
- case AR9300_DEVID_AR9330:
- ah->hw_version.macVersion = AR_SREV_VERSION_9330;
- if (ah->get_mac_revision) {
- ah->hw_version.macRev = ah->get_mac_revision();
- } else {
- val = REG_READ(ah, AR_SREV);
- ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
- }
- return;
- case AR9300_DEVID_AR9340:
- ah->hw_version.macVersion = AR_SREV_VERSION_9340;
- val = REG_READ(ah, AR_SREV);
- ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
- return;
- }
-
- 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);
-
- if (AR_SREV_9462(ah))
- ah->is_pciexpress = true;
- else
- 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;
- }
-}
-
-/************************************/
-/* HW Attach, Detach, Init Routines */
-/************************************/
-
-static void ath9k_hw_disablepcie(struct ath_hw *ah)
-{
- if (!AR_SREV_5416(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 void ath9k_hw_aspm_init(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (common->bus_ops->aspm_init)
- common->bus_ops->aspm_init(common);
-}
-
-/* This should work for all families including legacy */
-static bool ath9k_hw_chip_test(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- u32 regAddr[2] = { AR_STA_ID0 };
- u32 regHold[2];
- static const u32 patternData[4] = {
- 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999
- };
- int i, j, loop_max;
-
- if (!AR_SREV_9300_20_OR_LATER(ah)) {
- loop_max = 2;
- regAddr[1] = AR_PHY_BASE + (8 << 2);
- } else
- loop_max = 1;
-
- for (i = 0; i < loop_max; 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) {
- ath_err(common,
- "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) {
- ath_err(common,
- "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 void ath9k_hw_init_config(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_clock_req = 0;
- ah->config.pcie_waen = 0;
- ah->config.analog_shiftreg = 1;
- ah->config.enable_ani = true;
-
- 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;
- }
-
- /* PAPRD needs some more work to be enabled */
- ah->config.paprd_disable = 1;
-
- ah->config.rx_intr_mitigation = true;
- ah->config.pcieSerDesWrite = 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 void ath9k_hw_init_defaults(struct ath_hw *ah)
-{
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
-
- regulatory->country_code = CTRY_DEFAULT;
- regulatory->power_limit = MAX_RATE_POWER;
-
- ah->hw_version.magic = AR5416_MAGIC;
- ah->hw_version.subvendorid = 0;
-
- ah->atim_window = 0;
- ah->sta_id1_defaults =
- AR_STA_ID1_CRPT_MIC_ENABLE |
- AR_STA_ID1_MCAST_KSRCH;
- if (AR_SREV_9100(ah))
- ah->sta_id1_defaults |= AR_STA_ID1_AR9100_BA_FIX;
- ah->enable_32kHz_clock = DONT_USE_32KHZ;
- ah->slottime = ATH9K_SLOT_TIME_9;
- ah->globaltxtimeout = (u32) -1;
- ah->power_mode = ATH9K_PM_UNDEFINED;
- ah->htc_reset_init = true;
-}
-
-static int ath9k_hw_init_macaddr(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- u32 sum;
- int i;
- u16 eeval;
- static const u32 EEP_MAC[] = { EEP_MAC_LSW, EEP_MAC_MID, EEP_MAC_MSW };
-
- sum = 0;
- for (i = 0; i < 3; i++) {
- eeval = ah->eep_ops->get_eeprom(ah, EEP_MAC[i]);
- sum += eeval;
- common->macaddr[2 * i] = eeval >> 8;
- common->macaddr[2 * i + 1] = eeval & 0xff;
- }
- if (sum == 0 || sum == 0xffff * 3)
- return -EADDRNOTAVAIL;
-
- return 0;
-}
-
-static int ath9k_hw_post_init(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- int ecode;
-
- if (common->bus_ops->ath_bus_type != ATH_USB) {
- if (!ath9k_hw_chip_test(ah))
- return -ENODEV;
- }
-
- if (!AR_SREV_9300_20_OR_LATER(ah)) {
- ecode = ar9002_hw_rf_claim(ah);
- if (ecode != 0)
- return ecode;
- }
-
- ecode = ath9k_hw_eeprom_init(ah);
- if (ecode != 0)
- return ecode;
-
- ath_dbg(ath9k_hw_common(ah), CONFIG, "Eeprom VER: %d, REV: %d\n",
- ah->eep_ops->get_eeprom_ver(ah),
- ah->eep_ops->get_eeprom_rev(ah));
-
- ecode = ath9k_hw_rf_alloc_ext_banks(ah);
- if (ecode) {
- ath_err(ath9k_hw_common(ah),
- "Failed allocating banks for external radio\n");
- ath9k_hw_rf_free_ext_banks(ah);
- return ecode;
- }
-
- if (ah->config.enable_ani) {
- ath9k_hw_ani_setup(ah);
- ath9k_hw_ani_init(ah);
- }
-
- return 0;
-}
-
-static void ath9k_hw_attach_ops(struct ath_hw *ah)
-{
- if (AR_SREV_9300_20_OR_LATER(ah))
- ar9003_hw_attach_ops(ah);
- else
- ar9002_hw_attach_ops(ah);
-}
-
-/* Called for all hardware families */
-static int __ath9k_hw_init(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- int r = 0;
-
- ath9k_hw_read_revisions(ah);
-
- /*
- * Read back AR_WA into a permanent copy and set bits 14 and 17.
- * We need to do this to avoid RMW of this register. We cannot
- * read the reg when chip is asleep.
- */
- ah->WARegVal = REG_READ(ah, AR_WA);
- ah->WARegVal |= (AR_WA_D3_L1_DISABLE |
- AR_WA_ASPM_TIMER_BASED_DISABLE);
-
- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
- ath_err(common, "Couldn't reset chip\n");
- return -EIO;
- }
-
- if (AR_SREV_9462(ah))
- ah->WARegVal &= ~AR_WA_D3_L1_DISABLE;
-
- ath9k_hw_init_defaults(ah);
- ath9k_hw_init_config(ah);
-
- ath9k_hw_attach_ops(ah);
-
- if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
- ath_err(common, "Couldn't wakeup chip\n");
- return -EIO;
- }
-
- if (NR_CPUS > 1 && ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
- if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
- ((AR_SREV_9160(ah) || AR_SREV_9280(ah) || AR_SREV_9287(ah)) &&
- !ah->is_pciexpress)) {
- ah->config.serialize_regmode =
- SER_REG_MODE_ON;
- } else {
- ah->config.serialize_regmode =
- SER_REG_MODE_OFF;
- }
- }
-
- ath_dbg(common, RESET, "serialize_regmode is %d\n",
- ah->config.serialize_regmode);
-
- if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
- ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
- else
- ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
-
- switch (ah->hw_version.macVersion) {
- case AR_SREV_VERSION_5416_PCI:
- case AR_SREV_VERSION_5416_PCIE:
- case AR_SREV_VERSION_9160:
- case AR_SREV_VERSION_9100:
- case AR_SREV_VERSION_9280:
- case AR_SREV_VERSION_9285:
- case AR_SREV_VERSION_9287:
- case AR_SREV_VERSION_9271:
- case AR_SREV_VERSION_9300:
- case AR_SREV_VERSION_9330:
- case AR_SREV_VERSION_9485:
- case AR_SREV_VERSION_9340:
- case AR_SREV_VERSION_9462:
- break;
- default:
- ath_err(common,
- "Mac Chip Rev 0x%02x.%x is not supported by this driver\n",
- ah->hw_version.macVersion, ah->hw_version.macRev);
- return -EOPNOTSUPP;
- }
-
- if (AR_SREV_9271(ah) || AR_SREV_9100(ah) || AR_SREV_9340(ah) ||
- AR_SREV_9330(ah))
- ah->is_pciexpress = false;
-
- ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
- ath9k_hw_init_cal_settings(ah);
-
- ah->ani_function = ATH9K_ANI_ALL;
- if (AR_SREV_9280_20_OR_LATER(ah) && !AR_SREV_9300_20_OR_LATER(ah))
- ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
- if (!AR_SREV_9300_20_OR_LATER(ah))
- ah->ani_function &= ~ATH9K_ANI_MRC_CCK;
-
- /* disable ANI for 9340 */
- if (AR_SREV_9340(ah))
- ah->config.enable_ani = false;
-
- ath9k_hw_init_mode_regs(ah);
-
- if (!ah->is_pciexpress)
- ath9k_hw_disablepcie(ah);
-
- r = ath9k_hw_post_init(ah);
- if (r)
- return r;
-
- ath9k_hw_init_mode_gain_regs(ah);
- r = ath9k_hw_fill_cap_info(ah);
- if (r)
- return r;
-
- if (ah->is_pciexpress)
- ath9k_hw_aspm_init(ah);
-
- r = ath9k_hw_init_macaddr(ah);
- if (r) {
- ath_err(common, "Failed to initialize MAC address\n");
- return r;
- }
-
- if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
- ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
- else
- ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
-
- if (AR_SREV_9330(ah))
- ah->bb_watchdog_timeout_ms = 85;
- else
- ah->bb_watchdog_timeout_ms = 25;
-
- common->state = ATH_HW_INITIALIZED;
-
- return 0;
-}
-
-int ath9k_hw_init(struct ath_hw *ah)
-{
- int ret;
- struct ath_common *common = ath9k_hw_common(ah);
-
- /* These are all the AR5008/AR9001/AR9002 hardware family of chipsets */
- switch (ah->hw_version.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:
- case AR9287_DEVID_PCI:
- case AR9287_DEVID_PCIE:
- case AR2427_DEVID_PCIE:
- case AR9300_DEVID_PCIE:
- case AR9300_DEVID_AR9485_PCIE:
- case AR9300_DEVID_AR9330:
- case AR9300_DEVID_AR9340:
- case AR9300_DEVID_AR9580:
- case AR9300_DEVID_AR9462:
- break;
- default:
- if (common->bus_ops->ath_bus_type == ATH_USB)
- break;
- ath_err(common, "Hardware device ID 0x%04x not supported\n",
- ah->hw_version.devid);
- return -EOPNOTSUPP;
- }
-
- ret = __ath9k_hw_init(ah);
- if (ret) {
- ath_err(common,
- "Unable to initialize hardware; initialization status: %d\n",
- ret);
- return ret;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(ath9k_hw_init);
-
-static void ath9k_hw_init_qos(struct ath_hw *ah)
-{
- ENABLE_REGWRITE_BUFFER(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);
-
- REGWRITE_BUFFER_FLUSH(ah);
-}
-
-u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- int i = 0;
-
- REG_CLR_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
- udelay(100);
- REG_SET_BIT(ah, PLL3, PLL3_DO_MEAS_MASK);
-
- while ((REG_READ(ah, PLL4) & PLL4_MEAS_DONE) == 0) {
-
- udelay(100);
-
- if (WARN_ON_ONCE(i >= 100)) {
- ath_err(common, "PLL4 meaurement not done\n");
- break;
- }
-
- i++;
- }
-
- return (REG_READ(ah, PLL3) & SQSUM_DVC_MASK) >> 3;
-}
-EXPORT_SYMBOL(ar9003_get_pll_sqsum_dvc);
-
-static void ath9k_hw_init_pll(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- u32 pll;
-
- if (AR_SREV_9485(ah)) {
-
- /* program BB PLL ki and kd value, ki=0x4, kd=0x40 */
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_BB_DPLL2_PLL_PWD, 0x1);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_DPLL2_KD, 0x40);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_DPLL2_KI, 0x4);
-
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
- AR_CH0_BB_DPLL1_REFDIV, 0x5);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
- AR_CH0_BB_DPLL1_NINI, 0x58);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL1,
- AR_CH0_BB_DPLL1_NFRAC, 0x0);
-
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_BB_DPLL2_OUTDIV, 0x1);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_BB_DPLL2_LOCAL_PLL, 0x1);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_BB_DPLL2_EN_NEGTRIG, 0x1);
-
- /* program BB PLL phase_shift to 0x6 */
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3,
- AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x6);
-
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2,
- AR_CH0_BB_DPLL2_PLL_PWD, 0x0);
- udelay(1000);
- } else if (AR_SREV_9330(ah)) {
- u32 ddr_dpll2, pll_control2, kd;
-
- if (ah->is_clk_25mhz) {
- ddr_dpll2 = 0x18e82f01;
- pll_control2 = 0xe04a3d;
- kd = 0x1d;
- } else {
- ddr_dpll2 = 0x19e82f01;
- pll_control2 = 0x886666;
- kd = 0x3d;
- }
-
- /* program DDR PLL ki and kd value */
- REG_WRITE(ah, AR_CH0_DDR_DPLL2, ddr_dpll2);
-
- /* program DDR PLL phase_shift */
- REG_RMW_FIELD(ah, AR_CH0_DDR_DPLL3,
- AR_CH0_DPLL3_PHASE_SHIFT, 0x1);
-
- REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
- udelay(1000);
-
- /* program refdiv, nint, frac to RTC register */
- REG_WRITE(ah, AR_RTC_PLL_CONTROL2, pll_control2);
-
- /* program BB PLL kd and ki value */
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KD, kd);
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL2, AR_CH0_DPLL2_KI, 0x06);
-
- /* program BB PLL phase_shift */
- REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3,
- AR_CH0_BB_DPLL3_PHASE_SHIFT, 0x1);
- } else if (AR_SREV_9340(ah)) {
- u32 regval, pll2_divint, pll2_divfrac, refdiv;
-
- REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
- udelay(1000);
-
- REG_SET_BIT(ah, AR_PHY_PLL_MODE, 0x1 << 16);
- udelay(100);
-
- if (ah->is_clk_25mhz) {
- pll2_divint = 0x54;
- pll2_divfrac = 0x1eb85;
- refdiv = 3;
- } else {
- pll2_divint = 88;
- pll2_divfrac = 0;
- refdiv = 5;
- }
-
- regval = REG_READ(ah, AR_PHY_PLL_MODE);
- regval |= (0x1 << 16);
- REG_WRITE(ah, AR_PHY_PLL_MODE, regval);
- udelay(100);
-
- REG_WRITE(ah, AR_PHY_PLL_CONTROL, (refdiv << 27) |
- (pll2_divint << 18) | pll2_divfrac);
- udelay(100);
-
- regval = REG_READ(ah, AR_PHY_PLL_MODE);
- regval = (regval & 0x80071fff) | (0x1 << 30) | (0x1 << 13) |
- (0x4 << 26) | (0x18 << 19);
- REG_WRITE(ah, AR_PHY_PLL_MODE, regval);
- REG_WRITE(ah, AR_PHY_PLL_MODE,
- REG_READ(ah, AR_PHY_PLL_MODE) & 0xfffeffff);
- udelay(1000);
- }
-
- pll = ath9k_hw_compute_pll_control(ah, chan);
-
- REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
-
- if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah))
- udelay(1000);
-
- /* Switch the core clock for ar9271 to 117Mhz */
- if (AR_SREV_9271(ah)) {
- udelay(500);
- REG_WRITE(ah, 0x50040, 0x304);
- }
-
- udelay(RTC_PLL_SETTLE_DELAY);
-
- REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_FORCE_DERIVED_CLK);
-
- if (AR_SREV_9340(ah)) {
- if (ah->is_clk_25mhz) {
- REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x17c << 1);
- REG_WRITE(ah, AR_SLP32_MODE, 0x0010f3d7);
- REG_WRITE(ah, AR_SLP32_INC, 0x0001e7ae);
- } else {
- REG_WRITE(ah, AR_RTC_DERIVED_CLK, 0x261 << 1);
- REG_WRITE(ah, AR_SLP32_MODE, 0x0010f400);
- REG_WRITE(ah, AR_SLP32_INC, 0x0001e800);
- }
- udelay(100);
- }
-}
-
-static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
- enum nl80211_iftype opmode)
-{
- u32 sync_default = AR_INTR_SYNC_DEFAULT;
- u32 imr_reg = AR_IMR_TXERR |
- AR_IMR_TXURN |
- AR_IMR_RXERR |
- AR_IMR_RXORN |
- AR_IMR_BCNMISC;
-
- if (AR_SREV_9340(ah))
- sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- imr_reg |= AR_IMR_RXOK_HP;
- if (ah->config.rx_intr_mitigation)
- imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
- else
- imr_reg |= AR_IMR_RXOK_LP;
-
- } else {
- if (ah->config.rx_intr_mitigation)
- imr_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;
- else
- imr_reg |= AR_IMR_RXOK;
- }
-
- if (ah->config.tx_intr_mitigation)
- imr_reg |= AR_IMR_TXINTM | AR_IMR_TXMINTR;
- else
- imr_reg |= AR_IMR_TXOK;
-
- if (opmode == NL80211_IFTYPE_AP)
- imr_reg |= AR_IMR_MIB;
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- REG_WRITE(ah, AR_IMR, imr_reg);
- ah->imrs2_reg |= AR_IMR_S2_GTT;
- REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);
-
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
- REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
- }
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_WRITE(ah, AR_INTR_PRIO_ASYNC_ENABLE, 0);
- REG_WRITE(ah, AR_INTR_PRIO_ASYNC_MASK, 0);
- REG_WRITE(ah, AR_INTR_PRIO_SYNC_ENABLE, 0);
- REG_WRITE(ah, AR_INTR_PRIO_SYNC_MASK, 0);
- }
-}
-
-static void ath9k_hw_set_sifs_time(struct ath_hw *ah, u32 us)
-{
- u32 val = ath9k_hw_mac_to_clks(ah, us - 2);
- val = min(val, (u32) 0xFFFF);
- REG_WRITE(ah, AR_D_GBL_IFS_SIFS, val);
-}
-
-static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
-{
- u32 val = ath9k_hw_mac_to_clks(ah, us);
- val = min(val, (u32) 0xFFFF);
- REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
-}
-
-static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
-{
- u32 val = ath9k_hw_mac_to_clks(ah, us);
- val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
- REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
-}
-
-static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
-{
- u32 val = ath9k_hw_mac_to_clks(ah, us);
- val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
- REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
-}
-
-static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
-{
- if (tu > 0xFFFF) {
- ath_dbg(ath9k_hw_common(ah), 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;
- }
-}
-
-void ath9k_hw_init_global_settings(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_conf *conf = &common->hw->conf;
- const struct ath9k_channel *chan = ah->curchan;
- int acktimeout, ctstimeout;
- int slottime;
- int sifstime;
- int rx_lat = 0, tx_lat = 0, eifs = 0;
- u32 reg;
-
- ath_dbg(ath9k_hw_common(ah), RESET, "ah->misc_mode 0x%x\n",
- ah->misc_mode);
-
- if (!chan)
- return;
-
- if (ah->misc_mode != 0)
- REG_SET_BIT(ah, AR_PCU_MISC, ah->misc_mode);
-
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- rx_lat = 41;
- else
- rx_lat = 37;
- tx_lat = 54;
-
- if (IS_CHAN_HALF_RATE(chan)) {
- eifs = 175;
- rx_lat *= 2;
- tx_lat *= 2;
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- tx_lat += 11;
-
- slottime = 13;
- sifstime = 32;
- } else if (IS_CHAN_QUARTER_RATE(chan)) {
- eifs = 340;
- rx_lat = (rx_lat * 4) - 1;
- tx_lat *= 4;
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- tx_lat += 22;
-
- slottime = 21;
- sifstime = 64;
- } else {
- if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
- eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO;
- reg = AR_USEC_ASYNC_FIFO;
- } else {
- eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/
- common->clockrate;
- reg = REG_READ(ah, AR_USEC);
- }
- rx_lat = MS(reg, AR_USEC_RX_LAT);
- tx_lat = MS(reg, AR_USEC_TX_LAT);
-
- slottime = ah->slottime;
- if (IS_CHAN_5GHZ(chan))
- sifstime = 16;
- else
- sifstime = 10;
- }
-
- /* As defined by IEEE 802.11-2007 17.3.8.6 */
- acktimeout = slottime + sifstime + 3 * ah->coverage_class;
- ctstimeout = acktimeout;
-
- /*
- * Workaround for early ACK timeouts, add an offset to match the
- * initval's 64us ack timeout value. Use 48us for the CTS timeout.
- * This was initially only meant to work around an issue with delayed
- * BA frames in some implementations, but it has been found to fix ACK
- * timeout issues in other cases as well.
- */
- if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
- acktimeout += 64 - sifstime - ah->slottime;
- ctstimeout += 48 - sifstime - ah->slottime;
- }
-
-
- ath9k_hw_set_sifs_time(ah, sifstime);
- ath9k_hw_setslottime(ah, slottime);
- ath9k_hw_set_ack_timeout(ah, acktimeout);
- ath9k_hw_set_cts_timeout(ah, ctstimeout);
- if (ah->globaltxtimeout != (u32) -1)
- ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
-
- REG_WRITE(ah, AR_D_GBL_IFS_EIFS, ath9k_hw_mac_to_clks(ah, eifs));
- REG_RMW(ah, AR_USEC,
- (common->clockrate - 1) |
- SM(rx_lat, AR_USEC_RX_LAT) |
- SM(tx_lat, AR_USEC_TX_LAT),
- AR_USEC_TX_LAT | AR_USEC_RX_LAT | AR_USEC_USEC);
-
-}
-EXPORT_SYMBOL(ath9k_hw_init_global_settings);
-
-void ath9k_hw_deinit(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- if (common->state < ATH_HW_INITIALIZED)
- goto free_hw;
-
- ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
-
-free_hw:
- ath9k_hw_rf_free_ext_banks(ah);
-}
-EXPORT_SYMBOL(ath9k_hw_deinit);
-
-/*******/
-/* INI */
-/*******/
-
-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;
-}
-
-/****************************************/
-/* Reset and Channel Switching Routines */
-/****************************************/
-
-static inline void ath9k_hw_set_dma(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- /*
- * set AHB_MODE not to do cacheline prefetches
- */
- if (!AR_SREV_9300_20_OR_LATER(ah))
- REG_SET_BIT(ah, AR_AHB_MODE, AR_AHB_PREFETCH_RD_EN);
-
- /*
- * let mac dma reads be in 128 byte chunks
- */
- REG_RMW(ah, AR_TXCFG, AR_TXCFG_DMASZ_128B, AR_TXCFG_DMASZ_MASK);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- /*
- * Restore TX Trigger Level to its pre-reset value.
- * The initial value depends on whether aggregation is enabled, and is
- * adjusted whenever underruns are detected.
- */
- if (!AR_SREV_9300_20_OR_LATER(ah))
- REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- /*
- * let mac dma writes be in 128 byte chunks
- */
- REG_RMW(ah, AR_RXCFG, AR_RXCFG_DMASZ_128B, AR_RXCFG_DMASZ_MASK);
-
- /*
- * Setup receive FIFO threshold to hold off TX activities
- */
- REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_HP, 0x1);
- REG_RMW_FIELD(ah, AR_RXBP_THRESH, AR_RXBP_THRESH_LP, 0x1);
-
- ath9k_hw_set_rx_bufsize(ah, common->rx_bufsize -
- ah->caps.rx_status_len);
- }
-
- /*
- * reduce the number of usable entries in PCU TXBUF to avoid
- * wrap around issues.
- */
- if (AR_SREV_9285(ah)) {
- /* For AR9285 the number of Fifos are reduced to half.
- * So set the usable tx buf size also to half to
- * avoid data/delimiter underruns
- */
- REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
- AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
- } else if (!AR_SREV_9271(ah)) {
- REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
- AR_PCU_TXBUF_CTRL_USABLE_SIZE);
- }
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- if (AR_SREV_9300_20_OR_LATER(ah))
- ath9k_hw_reset_txstatus_ring(ah);
-}
-
-static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
-{
- u32 mask = AR_STA_ID1_STA_AP | AR_STA_ID1_ADHOC;
- u32 set = AR_STA_ID1_KSRCH_MODE;
-
- switch (opmode) {
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- set |= AR_STA_ID1_ADHOC;
- REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
- break;
- case NL80211_IFTYPE_AP:
- set |= AR_STA_ID1_STA_AP;
- /* fall through */
- case NL80211_IFTYPE_STATION:
- REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
- break;
- default:
- if (!ah->is_monitoring)
- set = 0;
- break;
- }
- REG_RMW(ah, AR_STA_ID1, set, mask);
-}
-
-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 bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
-{
- u32 rst_flags;
- u32 tmpReg;
-
- if (AR_SREV_9100(ah)) {
- REG_RMW_FIELD(ah, AR_RTC_DERIVED_CLK,
- AR_RTC_DERIVED_CLK_PERIOD, 1);
- (void)REG_READ(ah, AR_RTC_DERIVED_CLK);
- }
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_WRITE(ah, AR_WA, ah->WARegVal);
- udelay(10);
- }
-
- 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)) {
- u32 val;
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
-
- val = AR_RC_HOSTIF;
- if (!AR_SREV_9300_20_OR_LATER(ah))
- val |= AR_RC_AHB;
- REG_WRITE(ah, AR_RC, val);
-
- } else if (!AR_SREV_9300_20_OR_LATER(ah))
- 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;
- }
-
- if (AR_SREV_9330(ah)) {
- int npend = 0;
- int i;
-
- /* AR9330 WAR:
- * call external reset function to reset WMAC if:
- * - doing a cold reset
- * - we have pending frames in the TX queues
- */
-
- for (i = 0; i < AR_NUM_QCU; i++) {
- npend = ath9k_hw_numtxpending(ah, i);
- if (npend)
- break;
- }
-
- if (ah->external_reset &&
- (npend || type == ATH9K_RESET_COLD)) {
- int reset_err = 0;
-
- ath_dbg(ath9k_hw_common(ah), RESET,
- "reset MAC via external reset\n");
-
- reset_err = ah->external_reset();
- if (reset_err) {
- ath_err(ath9k_hw_common(ah),
- "External reset failed, err=%d\n",
- reset_err);
- return false;
- }
-
- REG_WRITE(ah, AR_RTC_RESET, 1);
- }
- }
-
- REG_WRITE(ah, AR_RTC_RC, rst_flags);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- 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)) {
- ath_dbg(ath9k_hw_common(ah), RESET, "RTC stuck in MAC reset\n");
- return false;
- }
-
- if (!AR_SREV_9100(ah))
- REG_WRITE(ah, AR_RC, 0);
-
- if (AR_SREV_9100(ah))
- udelay(50);
-
- return true;
-}
-
-static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
-{
- ENABLE_REGWRITE_BUFFER(ah);
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_WRITE(ah, AR_WA, ah->WARegVal);
- udelay(10);
- }
-
- REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
- AR_RTC_FORCE_WAKE_ON_INT);
-
- if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
- REG_WRITE(ah, AR_RC, AR_RC_AHB);
-
- REG_WRITE(ah, AR_RTC_RESET, 0);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- if (!AR_SREV_9300_20_OR_LATER(ah))
- udelay(2);
-
- if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
- REG_WRITE(ah, AR_RC, 0);
-
- 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)) {
- ath_dbg(ath9k_hw_common(ah), RESET, "RTC not waking up\n");
- return false;
- }
-
- return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
-}
-
-static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type)
-{
- bool ret = false;
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_WRITE(ah, AR_WA, ah->WARegVal);
- udelay(10);
- }
-
- 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:
- ret = ath9k_hw_set_reset_power_on(ah);
- break;
- case ATH9K_RESET_WARM:
- case ATH9K_RESET_COLD:
- ret = ath9k_hw_set_reset(ah, type);
- break;
- default:
- break;
- }
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
- REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2);
-
- return ret;
-}
-
-static bool ath9k_hw_chip_reset(struct ath_hw *ah,
- struct ath9k_channel *chan)
-{
- int reset_type = ATH9K_RESET_WARM;
-
- if (AR_SREV_9280(ah)) {
- if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
- reset_type = ATH9K_RESET_POWER_ON;
- else
- reset_type = ATH9K_RESET_COLD;
- }
-
- if (!ath9k_hw_set_reset_reg(ah, reset_type))
- 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)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- u32 qnum;
- int r;
- bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
- bool band_switch, mode_diff;
- u8 ini_reloaded;
-
- band_switch = (chan->channelFlags & (CHANNEL_2GHZ | CHANNEL_5GHZ)) !=
- (ah->curchan->channelFlags & (CHANNEL_2GHZ |
- CHANNEL_5GHZ));
- mode_diff = (chan->chanmode != ah->curchan->chanmode);
-
- for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
- if (ath9k_hw_numtxpending(ah, qnum)) {
- ath_dbg(common, QUEUE,
- "Transmit frames pending on queue %d\n", qnum);
- return false;
- }
- }
-
- if (!ath9k_hw_rfbus_req(ah)) {
- ath_err(common, "Could not kill baseband RX\n");
- return false;
- }
-
- if (edma && (band_switch || mode_diff)) {
- ath9k_hw_mark_phy_inactive(ah);
- udelay(5);
-
- ath9k_hw_init_pll(ah, NULL);
-
- if (ath9k_hw_fast_chan_change(ah, chan, &ini_reloaded)) {
- ath_err(common, "Failed to do fast channel change\n");
- return false;
- }
- }
-
- ath9k_hw_set_channel_regs(ah, chan);
-
- r = ath9k_hw_rf_set_freq(ah, chan);
- if (r) {
- ath_err(common, "Failed to set channel\n");
- return false;
- }
- ath9k_hw_set_clockrate(ah);
- ath9k_hw_apply_txpower(ah, chan, false);
- ath9k_hw_rfbus_done(ah);
-
- if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
- ath9k_hw_set_delta_slope(ah, chan);
-
- ath9k_hw_spur_mitigate_freq(ah, chan);
-
- if (edma && (band_switch || mode_diff)) {
- ah->ah_flags |= AH_FASTCC;
- if (band_switch || ini_reloaded)
- ah->eep_ops->set_board_values(ah, chan);
-
- ath9k_hw_init_bb(ah, chan);
-
- if (band_switch || ini_reloaded)
- ath9k_hw_init_cal(ah, chan);
- ah->ah_flags &= ~AH_FASTCC;
- }
-
- return true;
-}
-
-static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
-{
- u32 gpio_mask = ah->gpio_mask;
- int i;
-
- for (i = 0; gpio_mask; i++, gpio_mask >>= 1) {
- if (!(gpio_mask & 1))
- continue;
-
- ath9k_hw_cfg_output(ah, i, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
- ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i)));
- }
-}
-
-bool ath9k_hw_check_alive(struct ath_hw *ah)
-{
- int count = 50;
- u32 reg;
-
- if (AR_SREV_9285_12_OR_LATER(ah))
- return true;
-
- do {
- reg = REG_READ(ah, AR_OBS_BUS_1);
-
- if ((reg & 0x7E7FFFEF) == 0x00702400)
- continue;
-
- switch (reg & 0x7E000B00) {
- case 0x1E000000:
- case 0x52000B00:
- case 0x18000B00:
- continue;
- default:
- return true;
- }
- } while (count-- > 0);
-
- return false;
-}
-EXPORT_SYMBOL(ath9k_hw_check_alive);
-
-/*
- * Fast channel change:
- * (Change synthesizer based on channel freq without resetting chip)
- *
- * Don't do FCC when
- * - Flag is not set
- * - Chip is just coming out of full sleep
- * - Channel to be set is same as current channel
- * - Channel flags are different, (eg.,moving from 2GHz to 5GHz channel)
- */
-static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- int ret;
-
- if (AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI)
- goto fail;
-
- if (ah->chip_fullsleep)
- goto fail;
-
- if (!ah->curchan)
- goto fail;
-
- if (chan->channel == ah->curchan->channel)
- goto fail;
-
- if ((chan->channelFlags & CHANNEL_ALL) !=
- (ah->curchan->channelFlags & CHANNEL_ALL))
- goto fail;
-
- if (!ath9k_hw_check_alive(ah))
- goto fail;
-
- /*
- * For AR9462, make sure that calibration data for
- * re-using are present.
- */
- if (AR_SREV_9462(ah) && (!ah->caldata ||
- !ah->caldata->done_txiqcal_once ||
- !ah->caldata->done_txclcal_once ||
- !ah->caldata->rtt_hist.num_readings))
- goto fail;
-
- ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n",
- ah->curchan->channel, chan->channel);
-
- ret = ath9k_hw_channel_change(ah, chan);
- if (!ret)
- goto fail;
-
- ath9k_hw_loadnf(ah, ah->curchan);
- ath9k_hw_start_nfcal(ah, true);
-
- if ((ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && ar9003_mci_is_ready(ah))
- ar9003_mci_2g5g_switch(ah, true);
-
- if (AR_SREV_9271(ah))
- ar9002_hw_load_ani_reg(ah, chan);
-
- return 0;
-fail:
- return -EINVAL;
-}
-
-int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
- struct ath9k_hw_cal_data *caldata, bool fastcc)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- u32 saveLedState;
- u32 saveDefAntenna;
- u32 macStaId1;
- u64 tsf = 0;
- int i, r;
- bool start_mci_reset = false;
- bool mci = !!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI);
- bool save_fullsleep = ah->chip_fullsleep;
-
- if (mci) {
- start_mci_reset = ar9003_mci_start_reset(ah, chan);
- if (start_mci_reset)
- return 0;
- }
-
- if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
- return -EIO;
-
- if (ah->curchan && !ah->chip_fullsleep)
- ath9k_hw_getnf(ah, ah->curchan);
-
- ah->caldata = caldata;
- if (caldata &&
- (chan->channel != caldata->channel ||
- (chan->channelFlags & ~CHANNEL_CW_INT) !=
- (caldata->channelFlags & ~CHANNEL_CW_INT))) {
- /* Operating channel changed, reset channel calibration data */
- memset(caldata, 0, sizeof(*caldata));
- ath9k_init_nfcal_hist_buffer(ah, chan);
- }
- ah->noise = ath9k_hw_getchan_noise(ah, chan);
-
- if (fastcc) {
- r = ath9k_hw_do_fastcc(ah, chan);
- if (!r)
- return r;
- }
-
- if (mci)
- ar9003_mci_stop_bt(ah, save_fullsleep);
-
- 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;
-
- /* For chips on which RTC reset is done, save TSF before it gets cleared */
- if (AR_SREV_9100(ah) ||
- (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)))
- tsf = ath9k_hw_gettsf64(ah);
-
- 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);
-
- ah->paprd_table_write_done = false;
-
- /* Only required on the first reset */
- if (AR_SREV_9271(ah) && ah->htc_reset_init) {
- REG_WRITE(ah,
- AR9271_RESET_POWER_DOWN_CONTROL,
- AR9271_RADIO_RF_RST);
- udelay(50);
- }
-
- if (!ath9k_hw_chip_reset(ah, chan)) {
- ath_err(common, "Chip reset failed\n");
- return -EINVAL;
- }
-
- /* Only required on the first reset */
- if (AR_SREV_9271(ah) && ah->htc_reset_init) {
- ah->htc_reset_init = false;
- REG_WRITE(ah,
- AR9271_RESET_POWER_DOWN_CONTROL,
- AR9271_GATE_MAC_CTL);
- udelay(50);
- }
-
- /* Restore TSF */
- if (tsf)
- ath9k_hw_settsf64(ah, tsf);
-
- if (AR_SREV_9280_20_OR_LATER(ah))
- REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
-
- if (!AR_SREV_9300_20_OR_LATER(ah))
- ar9002_hw_enable_async_fifo(ah);
-
- r = ath9k_hw_process_ini(ah, chan);
- if (r)
- return r;
-
- if (mci)
- ar9003_mci_reset(ah, false, IS_CHAN_2GHZ(chan), save_fullsleep);
-
- /*
- * Some AR91xx SoC devices frequently fail to accept TSF writes
- * right after the chip reset. When that happens, write a new
- * value after the initvals have been applied, with an offset
- * based on measured time difference
- */
- if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) {
- tsf += 1500;
- ath9k_hw_settsf64(ah, tsf);
- }
-
- /* 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);
-
- ath9k_hw_spur_mitigate_freq(ah, chan);
- ah->eep_ops->set_board_values(ah, chan);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
- REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
- | macStaId1
- | AR_STA_ID1_RTS_USE_DEF
- | (ah->config.
- ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
- | ah->sta_id1_defaults);
- ath_hw_setbssidmask(common);
- REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
- ath9k_hw_write_associd(ah);
- REG_WRITE(ah, AR_ISR, ~0);
- REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- ath9k_hw_set_operating_mode(ah, ah->opmode);
-
- r = ath9k_hw_rf_set_freq(ah, chan);
- if (r)
- return r;
-
- ath9k_hw_set_clockrate(ah);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- for (i = 0; i < AR_NUM_DCU; i++)
- REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- ah->intr_txqs = 0;
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
- ath9k_hw_resettxqueue(ah, i);
-
- ath9k_hw_init_interrupt_masks(ah, ah->opmode);
- ath9k_hw_ani_cache_ini_regs(ah);
- ath9k_hw_init_qos(ah);
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
- ath9k_hw_cfg_gpio_input(ah, ah->rfkill_gpio);
-
- ath9k_hw_init_global_settings(ah);
-
- if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
- REG_SET_BIT(ah, AR_MAC_PCU_LOGIC_ANALYZER,
- AR_MAC_PCU_LOGIC_ANALYZER_DISBUG20768);
- REG_RMW_FIELD(ah, AR_AHB_MODE, AR_AHB_CUSTOM_BURST_EN,
- AR_AHB_CUSTOM_BURST_ASYNC_FIFO_VAL);
- REG_SET_BIT(ah, AR_PCU_MISC_MODE2,
- AR_PCU_MISC_MODE2_ENABLE_AGGWEP);
- }
-
- REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PRESERVE_SEQNUM);
-
- ath9k_hw_set_dma(ah);
-
- REG_WRITE(ah, AR_OBS, 8);
-
- if (ah->config.rx_intr_mitigation) {
- REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
- REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
- }
-
- if (ah->config.tx_intr_mitigation) {
- REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_LAST, 300);
- REG_RMW_FIELD(ah, AR_TIMT, AR_TIMT_FIRST, 750);
- }
-
- ath9k_hw_init_bb(ah, chan);
-
- if (caldata) {
- caldata->done_txiqcal_once = false;
- caldata->done_txclcal_once = false;
- caldata->rtt_hist.num_readings = 0;
- }
- if (!ath9k_hw_init_cal(ah, chan))
- return -EIO;
-
- ath9k_hw_loadnf(ah, chan);
- ath9k_hw_start_nfcal(ah, true);
-
- if (mci && ar9003_mci_end_reset(ah, chan, caldata))
- return -EIO;
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- ath9k_hw_restore_chainmask(ah);
- REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- /*
- * For big endian systems turn on swapping for descriptors
- */
- if (AR_SREV_9100(ah)) {
- u32 mask;
- mask = REG_READ(ah, AR_CFG);
- if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
- ath_dbg(common, 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);
- ath_dbg(common, RESET, "Setting CFG 0x%x\n",
- REG_READ(ah, AR_CFG));
- }
- } else {
- if (common->bus_ops->ath_bus_type == ATH_USB) {
- /* Configure AR9271 target WLAN */
- if (AR_SREV_9271(ah))
- REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
- else
- REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
- }
-#ifdef __BIG_ENDIAN
- else if (AR_SREV_9330(ah) || AR_SREV_9340(ah))
- REG_RMW(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB, 0);
- else
- REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
-#endif
- }
-
- if (ath9k_hw_btcoex_is_enabled(ah))
- ath9k_hw_btcoex_enable(ah);
-
- if (mci)
- ar9003_mci_check_bt(ah);
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- ar9003_hw_bb_watchdog_config(ah);
-
- ar9003_hw_disable_phy_restart(ah);
- }
-
- ath9k_hw_apply_gpio_override(ah);
-
- return 0;
-}
-EXPORT_SYMBOL(ath9k_hw_reset);
-
-/******************************/
-/* Power Management (Chipset) */
-/******************************/
-
-/*
- * Notify Power Mgt is disabled in self-generated frames.
- * If requested, force chip to sleep.
- */
-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) {
- if (AR_SREV_9462(ah)) {
- REG_WRITE(ah, AR_TIMER_MODE,
- REG_READ(ah, AR_TIMER_MODE) & 0xFFFFFF00);
- REG_WRITE(ah, AR_NDP2_TIMER_MODE, REG_READ(ah,
- AR_NDP2_TIMER_MODE) & 0xFFFFFF00);
- REG_WRITE(ah, AR_SLP32_INC,
- REG_READ(ah, AR_SLP32_INC) & 0xFFF00000);
- /* xxx Required for WLAN only case ? */
- REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0);
- udelay(100);
- }
-
- /*
- * Clear the RTC force wake bit to allow the
- * mac to go to sleep.
- */
- REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN);
-
- if (AR_SREV_9462(ah))
- udelay(100);
-
- if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
- REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
-
- /* Shutdown chip. Active low */
- if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah)) {
- REG_CLR_BIT(ah, AR_RTC_RESET, AR_RTC_RESET_EN);
- udelay(2);
- }
- }
-
- /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
- if (AR_SREV_9300_20_OR_LATER(ah))
- REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
-}
-
-/*
- * Notify Power Management is enabled in self-generating
- * frames. If request, set power mode of chip to
- * auto/normal. Duration in units of 128us (1/8 TU).
- */
-static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip)
-{
- u32 val;
-
- 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)) {
- /* Set WakeOnInterrupt bit; clear ForceWake bit */
- REG_WRITE(ah, AR_RTC_FORCE_WAKE,
- AR_RTC_FORCE_WAKE_ON_INT);
- } else {
-
- /* When chip goes into network sleep, it could be waken
- * up by MCI_INT interrupt caused by BT's HW messages
- * (LNA_xxx, CONT_xxx) which chould be in a very fast
- * rate (~100us). This will cause chip to leave and
- * re-enter network sleep mode frequently, which in
- * consequence will have WLAN MCI HW to generate lots of
- * SYS_WAKING and SYS_SLEEPING messages which will make
- * BT CPU to busy to process.
- */
- if (AR_SREV_9462(ah)) {
- val = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_EN) &
- ~AR_MCI_INTERRUPT_RX_HW_MSG_MASK;
- REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, val);
- }
- /*
- * Clear the RTC force wake bit to allow the
- * mac to go to sleep.
- */
- REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
- AR_RTC_FORCE_WAKE_EN);
-
- if (AR_SREV_9462(ah))
- udelay(30);
- }
- }
-
- /* Clear Bit 14 of AR_WA after putting chip into Net Sleep mode. */
- if (AR_SREV_9300_20_OR_LATER(ah))
- REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
-}
-
-static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
-{
- u32 val;
- int i;
-
- /* Set Bits 14 and 17 of AR_WA before powering on the chip. */
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- REG_WRITE(ah, AR_WA, ah->WARegVal);
- udelay(10);
- }
-
- 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)) {
- return false;
- }
- if (!AR_SREV_9300_20_OR_LATER(ah))
- ath9k_hw_init_pll(ah, NULL);
- }
- 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) {
- ath_err(ath9k_hw_common(ah),
- "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)
-{
- struct ath_common *common = ath9k_hw_common(ah);
- int status = true, setChip = true;
- static const char *modes[] = {
- "AWAKE",
- "FULL-SLEEP",
- "NETWORK SLEEP",
- "UNDEFINED"
- };
-
- if (ah->power_mode == mode)
- return status;
-
- ath_dbg(common, RESET, "%s -> %s\n",
- modes[ah->power_mode], modes[mode]);
-
- switch (mode) {
- case ATH9K_PM_AWAKE:
- status = ath9k_hw_set_power_awake(ah, setChip);
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
- REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2);
-
- break;
- case ATH9K_PM_FULL_SLEEP:
- if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
- ar9003_mci_set_full_sleep(ah);
-
- ath9k_set_power_sleep(ah, setChip);
- ah->chip_fullsleep = true;
- break;
- case ATH9K_PM_NETWORK_SLEEP:
-
- if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI)
- REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2);
-
- ath9k_set_power_network_sleep(ah, setChip);
- break;
- default:
- ath_err(common, "Unknown power mode %u\n", mode);
- return false;
- }
- ah->power_mode = mode;
-
- /*
- * XXX: If this warning never comes up after a while then
- * simply keep the ATH_DBG_WARN_ON_ONCE() but make
- * ath9k_hw_setpower() return type void.
- */
-
- if (!(ah->ah_flags & AH_UNPLUGGED))
- ATH_DBG_WARN_ON_ONCE(!status);
-
- return status;
-}
-EXPORT_SYMBOL(ath9k_hw_setpower);
-
-/*******************/
-/* Beacon Handling */
-/*******************/
-
-void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
-{
- int flags = 0;
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- switch (ah->opmode) {
- 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, next_beacon +
- TU_TO_USEC(ah->atim_window ? ah->atim_window : 1));
- flags |= AR_NDP_TIMER_EN;
- case NL80211_IFTYPE_AP:
- REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon);
- REG_WRITE(ah, AR_NEXT_DMA_BEACON_ALERT, next_beacon -
- TU_TO_USEC(ah->config.dma_beacon_response_time));
- REG_WRITE(ah, AR_NEXT_SWBA, next_beacon -
- TU_TO_USEC(ah->config.sw_beacon_response_time));
- flags |=
- AR_TBTT_TIMER_EN | AR_DBA_TIMER_EN | AR_SWBA_TIMER_EN;
- break;
- default:
- ath_dbg(ath9k_hw_common(ah), BEACON,
- "%s: unsupported opmode: %d\n", __func__, ah->opmode);
- return;
- break;
- }
-
- REG_WRITE(ah, AR_BEACON_PERIOD, beacon_period);
- REG_WRITE(ah, AR_DMA_BEACON_PERIOD, beacon_period);
- REG_WRITE(ah, AR_SWBA_PERIOD, beacon_period);
- REG_WRITE(ah, AR_NDP_PERIOD, beacon_period);
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- REG_SET_BIT(ah, AR_TIMER_MODE, flags);
-}
-EXPORT_SYMBOL(ath9k_hw_beaconinit);
-
-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;
- struct ath_common *common = ath9k_hw_common(ah);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- 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));
- REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
- TU_TO_USEC(bs->bs_intval));
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- REG_RMW_FIELD(ah, AR_RSSI_THR,
- AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
-
- beaconintval = bs->bs_intval;
-
- 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;
-
- ath_dbg(common, BEACON, "next DTIM %d\n", bs->bs_nextdtim);
- ath_dbg(common, BEACON, "next beacon %d\n", nextTbtt);
- ath_dbg(common, BEACON, "beacon period %d\n", beaconintval);
- ath_dbg(common, BEACON, "DTIM period %d\n", dtimperiod);
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- 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));
-
- REGWRITE_BUFFER_FLUSH(ah);
-
- 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);
-}
-EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
-
-/*******************/
-/* HW Capabilities */
-/*******************/
-
-static u8 fixup_chainmask(u8 chip_chainmask, u8 eeprom_chainmask)
-{
- eeprom_chainmask &= chip_chainmask;
- if (eeprom_chainmask)
- return eeprom_chainmask;
- else
- return chip_chainmask;
-}
-
-/**
- * ath9k_hw_dfs_tested - checks if DFS has been tested with used chipset
- * @ah: the atheros hardware data structure
- *
- * We enable DFS support upstream on chipsets which have passed a series
- * of tests. The testing requirements are going to be documented. Desired
- * test requirements are documented at:
- *
- * http://wireless.kernel.org/en/users/Drivers/ath9k/dfs
- *
- * Once a new chipset gets properly tested an individual commit can be used
- * to document the testing for DFS for that chipset.
- */
-static bool ath9k_hw_dfs_tested(struct ath_hw *ah)
-{
-
- switch (ah->hw_version.macVersion) {
- /* AR9580 will likely be our first target to get testing on */
- case AR_SREV_VERSION_9580:
- default:
- return false;
- }
-}
-
-int ath9k_hw_fill_cap_info(struct ath_hw *ah)
-{
- struct ath9k_hw_capabilities *pCap = &ah->caps;
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
- struct ath_common *common = ath9k_hw_common(ah);
- unsigned int chip_chainmask;
-
- u16 eeval;
- u8 ant_div_ctl1, tx_chainmask, rx_chainmask;
-
- eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
- regulatory->current_rd = eeval;
-
- if (ah->opmode != NL80211_IFTYPE_AP &&
- ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
- if (regulatory->current_rd == 0x64 ||
- regulatory->current_rd == 0x65)
- regulatory->current_rd += 5;
- else if (regulatory->current_rd == 0x41)
- regulatory->current_rd = 0x43;
- ath_dbg(common, REGULATORY, "regdomain mapped to 0x%x\n",
- regulatory->current_rd);
- }
-
- eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
- if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
- ath_err(common,
- "no band has been marked as supported in EEPROM\n");
- return -EINVAL;
- }
-
- if (eeval & AR5416_OPFLAGS_11A)
- pCap->hw_caps |= ATH9K_HW_CAP_5GHZ;
-
- if (eeval & AR5416_OPFLAGS_11G)
- pCap->hw_caps |= ATH9K_HW_CAP_2GHZ;
-
- if (AR_SREV_9485(ah) || AR_SREV_9285(ah) || AR_SREV_9330(ah))
- chip_chainmask = 1;
- else if (AR_SREV_9462(ah))
- chip_chainmask = 3;
- else if (!AR_SREV_9280_20_OR_LATER(ah))
- chip_chainmask = 7;
- else if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9340(ah))
- chip_chainmask = 3;
- else
- chip_chainmask = 7;
-
- pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
- /*
- * For AR9271 we will temporarilly uses the rx chainmax as read from
- * the EEPROM.
- */
- if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
- !(eeval & AR5416_OPFLAGS_11A) &&
- !(AR_SREV_9271(ah)))
- /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
- pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
- else if (AR_SREV_9100(ah))
- pCap->rx_chainmask = 0x7;
- else
- /* Use rx_chainmask from EEPROM. */
- pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
-
- pCap->tx_chainmask = fixup_chainmask(chip_chainmask, pCap->tx_chainmask);
- pCap->rx_chainmask = fixup_chainmask(chip_chainmask, pCap->rx_chainmask);
- ah->txchainmask = pCap->tx_chainmask;
- ah->rxchainmask = pCap->rx_chainmask;
-
- ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
-
- /* enable key search for every frame in an aggregate */
- if (AR_SREV_9300_20_OR_LATER(ah))
- ah->misc_mode |= AR_PCU_ALWAYS_PERFORM_KEYSEARCH;
-
- common->crypt_caps |= ATH_CRYPT_CAP_CIPHER_AESCCM;
-
- if (ah->hw_version.devid != AR2427_DEVID_PCIE)
- pCap->hw_caps |= ATH9K_HW_CAP_HT;
- else
- pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
-
- if (AR_SREV_9271(ah))
- pCap->num_gpio_pins = AR9271_NUM_GPIO;
- else if (AR_DEVID_7010(ah))
- pCap->num_gpio_pins = AR7010_NUM_GPIO;
- else if (AR_SREV_9300_20_OR_LATER(ah))
- pCap->num_gpio_pins = AR9300_NUM_GPIO;
- else if (AR_SREV_9287_11_OR_LATER(ah))
- pCap->num_gpio_pins = AR9287_NUM_GPIO;
- else if (AR_SREV_9285_12_OR_LATER(ah))
- pCap->num_gpio_pins = AR9285_NUM_GPIO;
- else if (AR_SREV_9280_20_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->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX;
- else
- pCap->rts_aggr_limit = (8 * 1024);
-
-#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 (AR_SREV_9271(ah) || AR_SREV_9300_20_OR_LATER(ah))
- 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 (AR_SREV_9300_20_OR_LATER(ah)) {
- pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK;
- if (!AR_SREV_9330(ah) && !AR_SREV_9485(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_LDPC;
-
- pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
- pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
- pCap->rx_status_len = sizeof(struct ar9003_rxs);
- pCap->tx_desc_len = sizeof(struct ar9003_txc);
- pCap->txs_len = sizeof(struct ar9003_txs);
- if (!ah->config.paprd_disable &&
- ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
- pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
- } else {
- pCap->tx_desc_len = sizeof(struct ath_desc);
- if (AR_SREV_9280_20(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK;
- }
-
- if (AR_SREV_9300_20_OR_LATER(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
-
- if (AR_SREV_9300_20_OR_LATER(ah))
- ah->ent_mode = REG_READ(ah, AR_ENT_OTP);
-
- if (AR_SREV_9287_11_OR_LATER(ah) || AR_SREV_9271(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
-
- if (AR_SREV_9285(ah))
- if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) {
- ant_div_ctl1 =
- ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
- if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1))
- pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
- }
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- if (ah->eep_ops->get_eeprom(ah, EEP_CHAIN_MASK_REDUCE))
- pCap->hw_caps |= ATH9K_HW_CAP_APM;
- }
-
-
- if (AR_SREV_9330(ah) || AR_SREV_9485(ah)) {
- ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1);
- /*
- * enable the diversity-combining algorithm only when
- * both enable_lna_div and enable_fast_div are set
- * Table for Diversity
- * ant_div_alt_lnaconf bit 0-1
- * ant_div_main_lnaconf bit 2-3
- * ant_div_alt_gaintb bit 4
- * ant_div_main_gaintb bit 5
- * enable_ant_div_lnadiv bit 6
- * enable_ant_fast_div bit 7
- */
- if ((ant_div_ctl1 >> 0x6) == 0x3)
- pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
- }
-
- if (AR_SREV_9485_10(ah)) {
- pCap->pcie_lcr_extsync_en = true;
- pCap->pcie_lcr_offset = 0x80;
- }
-
- if (ath9k_hw_dfs_tested(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_DFS;
-
- tx_chainmask = pCap->tx_chainmask;
- rx_chainmask = pCap->rx_chainmask;
- while (tx_chainmask || rx_chainmask) {
- if (tx_chainmask & BIT(0))
- pCap->max_txchains++;
- if (rx_chainmask & BIT(0))
- pCap->max_rxchains++;
-
- tx_chainmask >>= 1;
- rx_chainmask >>= 1;
- }
-
- if (AR_SREV_9300_20_OR_LATER(ah)) {
- ah->enabled_cals |= TX_IQ_CAL;
- if (AR_SREV_9485_OR_LATER(ah))
- ah->enabled_cals |= TX_IQ_ON_AGC_CAL;
- }
-
- if (AR_SREV_9462(ah)) {
-
- if (!(ah->ent_mode & AR_ENT_OTP_49GHZ_DISABLE))
- pCap->hw_caps |= ATH9K_HW_CAP_MCI;
-
- if (AR_SREV_9462_20(ah))
- pCap->hw_caps |= ATH9K_HW_CAP_RTT;
-
- }
-
-
- return 0;
-}
-
-/****************************/
-/* 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;
-
- BUG_ON(gpio >= ah->caps.num_gpio_pins);
-
- if (AR_DEVID_7010(ah)) {
- gpio_shift = gpio;
- REG_RMW(ah, AR7010_GPIO_OE,
- (AR7010_GPIO_OE_AS_INPUT << gpio_shift),
- (AR7010_GPIO_OE_MASK << gpio_shift));
- return;
- }
-
- 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));
-}
-EXPORT_SYMBOL(ath9k_hw_cfg_gpio_input);
-
-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_DEVID_7010(ah)) {
- u32 val;
- val = REG_READ(ah, AR7010_GPIO_IN);
- return (MS(val, AR7010_GPIO_IN_VAL) & AR_GPIO_BIT(gpio)) == 0;
- } else if (AR_SREV_9300_20_OR_LATER(ah))
- return (MS(REG_READ(ah, AR_GPIO_IN), AR9300_GPIO_IN_VAL) &
- AR_GPIO_BIT(gpio)) != 0;
- else if (AR_SREV_9271(ah))
- return MS_REG_READ(AR9271, gpio) != 0;
- else if (AR_SREV_9287_11_OR_LATER(ah))
- return MS_REG_READ(AR9287, gpio) != 0;
- else if (AR_SREV_9285_12_OR_LATER(ah))
- return MS_REG_READ(AR9285, gpio) != 0;
- else if (AR_SREV_9280_20_OR_LATER(ah))
- return MS_REG_READ(AR928X, gpio) != 0;
- else
- return MS_REG_READ(AR, gpio) != 0;
-}
-EXPORT_SYMBOL(ath9k_hw_gpio_get);
-
-void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
- u32 ah_signal_type)
-{
- u32 gpio_shift;
-
- if (AR_DEVID_7010(ah)) {
- gpio_shift = gpio;
- REG_RMW(ah, AR7010_GPIO_OE,
- (AR7010_GPIO_OE_AS_OUTPUT << gpio_shift),
- (AR7010_GPIO_OE_MASK << gpio_shift));
- return;
- }
-
- 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));
-}
-EXPORT_SYMBOL(ath9k_hw_cfg_output);
-
-void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val)
-{
- if (AR_DEVID_7010(ah)) {
- val = val ? 0 : 1;
- REG_RMW(ah, AR7010_GPIO_OUT, ((val&1) << gpio),
- AR_GPIO_BIT(gpio));
- return;
- }
-
- if (AR_SREV_9271(ah))
- val = ~val;
-
- REG_RMW(ah, AR_GPIO_IN_OUT, ((val & 1) << gpio),
- AR_GPIO_BIT(gpio));
-}
-EXPORT_SYMBOL(ath9k_hw_set_gpio);
-
-void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
-{
- REG_WRITE(ah, AR_DEF_ANTENNA, (antenna & 0x7));
-}
-EXPORT_SYMBOL(ath9k_hw_setantenna);
-
-/*********************/
-/* 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;
-}
-EXPORT_SYMBOL(ath9k_hw_getrxfilter);
-
-void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits)
-{
- u32 phybits;
-
- ENABLE_REGWRITE_BUFFER(ah);
-
- if (AR_SREV_9462(ah))
- bits |= ATH9K_RX_FILTER_CONTROL_WRAPPER;
-
- REG_WRITE(ah, AR_RX_FILTER, bits);
-
- 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_SET_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
- else
- REG_CLR_BIT(ah, AR_RXCFG, AR_RXCFG_ZLFDMA);
-
- REGWRITE_BUFFER_FLUSH(ah);
-}
-EXPORT_SYMBOL(ath9k_hw_setrxfilter);
-
-bool ath9k_hw_phy_disable(struct ath_hw *ah)
-{
- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
- return false;
-
- ath9k_hw_init_pll(ah, NULL);
- ah->htc_reset_init = true;
- return true;
-}
-EXPORT_SYMBOL(ath9k_hw_phy_disable);
-
-bool ath9k_hw_disable(struct ath_hw *ah)
-{
- if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
- return false;
-
- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_COLD))
- return false;
-
- ath9k_hw_init_pll(ah, NULL);
- return true;
-}
-EXPORT_SYMBOL(ath9k_hw_disable);
-
-static int get_antenna_gain(struct ath_hw *ah, struct ath9k_channel *chan)
-{
- enum eeprom_param gain_param;
-
- if (IS_CHAN_2GHZ(chan))
- gain_param = EEP_ANTENNA_GAIN_2G;
- else
- gain_param = EEP_ANTENNA_GAIN_5G;
-
- return ah->eep_ops->get_eeprom(ah, gain_param);
-}
-
-void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan,
- bool test)
-{
- struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
- struct ieee80211_channel *channel;
- int chan_pwr, new_pwr, max_gain;
- int ant_gain, ant_reduction = 0;
-
- if (!chan)
- return;
-
- channel = chan->chan;
- chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
- new_pwr = min_t(int, chan_pwr, reg->power_limit);
- max_gain = chan_pwr - new_pwr + channel->max_antenna_gain * 2;
-
- ant_gain = get_antenna_gain(ah, chan);
- if (ant_gain > max_gain)
- ant_reduction = ant_gain - max_gain;
-
- ah->eep_ops->set_txpower(ah, chan,
- ath9k_regd_get_ctl(reg, chan),
- ant_reduction, new_pwr, test);
-}
-
-void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test)
-{
- struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
- struct ath9k_channel *chan = ah->curchan;
- struct ieee80211_channel *channel = chan->chan;
-
- reg->power_limit = min_t(u32, limit, MAX_RATE_POWER);
- if (test)
- channel->max_power = MAX_RATE_POWER / 2;
-
- ath9k_hw_apply_txpower(ah, chan, test);
-
- if (test)
- channel->max_power = DIV_ROUND_UP(reg->max_power_level, 2);
-}
-EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
-
-void ath9k_hw_setopmode(struct ath_hw *ah)
-{
- ath9k_hw_set_operating_mode(ah, ah->opmode);
-}
-EXPORT_SYMBOL(ath9k_hw_setopmode);
-
-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);
-}
-EXPORT_SYMBOL(ath9k_hw_setmcastfilter);
-
-void ath9k_hw_write_associd(struct ath_hw *ah)
-{
- struct ath_common *common = ath9k_hw_common(ah);
-
- REG_WRITE(ah, AR_BSS_ID0, get_unaligned_le32(common->curbssid));
- REG_WRITE(ah, AR_BSS_ID1, get_unaligned_le16(common->curbssid + 4) |
- ((common->curaid & 0x3fff) << AR_BSS_ID1_AID_S));
-}
-EXPORT_SYMBOL(ath9k_hw_write_associd);
-
-#define ATH9K_MAX_TSF_READ 10
-
-u64 ath9k_hw_gettsf64(struct ath_hw *ah)
-{
- u32 tsf_lower, tsf_upper1, tsf_upper2;
- int i;
-
- tsf_upper1 = REG_READ(ah, AR_TSF_U32);
- for (i = 0; i < ATH9K_MAX_TSF_READ; i++) {
- tsf_lower = REG_READ(ah, AR_TSF_L32);
- tsf_upper2 = REG_READ(ah, AR_TSF_U32);
- if (tsf_upper2 == tsf_upper1)
- break;
- tsf_upper1 = tsf_upper2;
- }
-
- WARN_ON( i == ATH9K_MAX_TSF_READ );
-
- return (((u64)tsf_upper1 << 32) | tsf_lower);
-}
-EXPORT_SYMBOL(ath9k_hw_gettsf64);
-
-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);
-}
-EXPORT_SYMBOL(ath9k_hw_settsf64);
-
-void ath9k_hw_reset_tsf(struct ath_hw *ah)
-{
- if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
- AH_TSF_WRITE_TIMEOUT))
- ath_dbg(ath9k_hw_common(ah), RESET,
- "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
-
- REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
-}
-EXPORT_SYMBOL(ath9k_hw_reset_tsf);
-
-void 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;
-}
-EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
-
-void ath9k_hw_set11nmac2040(struct ath_hw *ah)
-{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
- u32 macmode;
-
- if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
- macmode = AR_2040_JOINED_RX_CLEAR;
- else
- macmode = 0;
-
- REG_WRITE(ah, AR_2040_MODE, macmode);
-}
-
-/* HW Generic timers configuration */
-
-static const struct ath_gen_timer_configuration gen_tmr_configuration[] =
-{
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP_TIMER, AR_NDP_PERIOD, AR_TIMER_MODE, 0x0080},
- {AR_NEXT_NDP2_TIMER, AR_NDP2_PERIOD, AR_NDP2_TIMER_MODE, 0x0001},
- {AR_NEXT_NDP2_TIMER + 1*4, AR_NDP2_PERIOD + 1*4,
- AR_NDP2_TIMER_MODE, 0x0002},
- {AR_NEXT_NDP2_TIMER + 2*4, AR_NDP2_PERIOD + 2*4,
- AR_NDP2_TIMER_MODE, 0x0004},
- {AR_NEXT_NDP2_TIMER + 3*4, AR_NDP2_PERIOD + 3*4,
- AR_NDP2_TIMER_MODE, 0x0008},
- {AR_NEXT_NDP2_TIMER + 4*4, AR_NDP2_PERIOD + 4*4,
- AR_NDP2_TIMER_MODE, 0x0010},
- {AR_NEXT_NDP2_TIMER + 5*4, AR_NDP2_PERIOD + 5*4,
- AR_NDP2_TIMER_MODE, 0x0020},
- {AR_NEXT_NDP2_TIMER + 6*4, AR_NDP2_PERIOD + 6*4,
- AR_NDP2_TIMER_MODE, 0x0040},
- {AR_NEXT_NDP2_TIMER + 7*4, AR_NDP2_PERIOD + 7*4,
- AR_NDP2_TIMER_MODE, 0x0080}
-};
-
-/* HW generic timer primitives */
-
-/* compute and clear index of rightmost 1 */
-static u32 rightmost_index(struct ath_gen_timer_table *timer_table, u32 *mask)
-{
- u32 b;
-
- b = *mask;
- b &= (0-b);
- *mask &= ~b;
- b *= debruijn32;
- b >>= 27;
-
- return timer_table->gen_timer_index[b];
-}
-
-u32 ath9k_hw_gettsf32(struct ath_hw *ah)
-{
- return REG_READ(ah, AR_TSF_L32);
-}
-EXPORT_SYMBOL(ath9k_hw_gettsf32);
-
-struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
- void (*trigger)(void *),
- void (*overflow)(void *),
- void *arg,
- u8 timer_index)
-{
- struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
- struct ath_gen_timer *timer;
-
- timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL);
-
- if (timer == NULL) {
- ath_err(ath9k_hw_common(ah),
- "Failed to allocate memory for hw timer[%d]\n",
- timer_index);
- return NULL;
- }
-
- /* allocate a hardware generic timer slot */
- timer_table->timers[timer_index] = timer;
- timer->index = timer_index;
- timer->trigger = trigger;
- timer->overflow = overflow;
- timer->arg = arg;
-
- return timer;
-}
-EXPORT_SYMBOL(ath_gen_timer_alloc);
-
-void ath9k_hw_gen_timer_start(struct ath_hw *ah,
- struct ath_gen_timer *timer,
- u32 trig_timeout,
- u32 timer_period)
-{
- struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
- u32 tsf, timer_next;
-
- BUG_ON(!timer_period);
-
- set_bit(timer->index, &timer_table->timer_mask.timer_bits);
-
- tsf = ath9k_hw_gettsf32(ah);
-
- timer_next = tsf + trig_timeout;
-
- ath_dbg(ath9k_hw_common(ah), HWTIMER,
- "current tsf %x period %x timer_next %x\n",
- tsf, timer_period, timer_next);
-
- /*
- * Program generic timer registers
- */
- REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr,
- timer_next);
- REG_WRITE(ah, gen_tmr_configuration[timer->index].period_addr,
- timer_period);
- REG_SET_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
- gen_tmr_configuration[timer->index].mode_mask);
-
- if (AR_SREV_9462(ah)) {
- /*
- * Starting from AR9462, each generic timer can select which tsf
- * to use. But we still follow the old rule, 0 - 7 use tsf and
- * 8 - 15 use tsf2.
- */
- if ((timer->index < AR_GEN_TIMER_BANK_1_LEN))
- REG_CLR_BIT(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL,
- (1 << timer->index));
- else
- REG_SET_BIT(ah, AR_MAC_PCU_GEN_TIMER_TSF_SEL,
- (1 << timer->index));
- }
-
- /* Enable both trigger and thresh interrupt masks */
- REG_SET_BIT(ah, AR_IMR_S5,
- (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
- SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
-}
-EXPORT_SYMBOL(ath9k_hw_gen_timer_start);
-
-void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
-{
- struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
-
- if ((timer->index < AR_FIRST_NDP_TIMER) ||
- (timer->index >= ATH_MAX_GEN_TIMER)) {
- return;
- }
-
- /* Clear generic timer enable bits. */
- REG_CLR_BIT(ah, gen_tmr_configuration[timer->index].mode_addr,
- gen_tmr_configuration[timer->index].mode_mask);
-
- /* Disable both trigger and thresh interrupt masks */
- REG_CLR_BIT(ah, AR_IMR_S5,
- (SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_THRESH) |
- SM(AR_GENTMR_BIT(timer->index), AR_IMR_S5_GENTIMER_TRIG)));
-
- clear_bit(timer->index, &timer_table->timer_mask.timer_bits);
-}
-EXPORT_SYMBOL(ath9k_hw_gen_timer_stop);
-
-void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer)
-{
- struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
-
- /* free the hardware generic timer slot */
- timer_table->timers[timer->index] = NULL;
- kfree(timer);
-}
-EXPORT_SYMBOL(ath_gen_timer_free);
-
-/*
- * Generic Timer Interrupts handling
- */
-void ath_gen_timer_isr(struct ath_hw *ah)
-{
- struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
- struct ath_gen_timer *timer;
- struct ath_common *common = ath9k_hw_common(ah);
- u32 trigger_mask, thresh_mask, index;
-
- /* get hardware generic timer interrupt status */
- trigger_mask = ah->intr_gen_timer_trigger;
- thresh_mask = ah->intr_gen_timer_thresh;
- trigger_mask &= timer_table->timer_mask.val;
- thresh_mask &= timer_table->timer_mask.val;
-
- trigger_mask &= ~thresh_mask;
-
- while (thresh_mask) {
- index = rightmost_index(timer_table, &thresh_mask);
- timer = timer_table->timers[index];
- BUG_ON(!timer);
- ath_dbg(common, HWTIMER, "TSF overflow for Gen timer %d\n",
- index);
- timer->overflow(timer->arg);
- }
-
- while (trigger_mask) {
- index = rightmost_index(timer_table, &trigger_mask);
- timer = timer_table->timers[index];
- BUG_ON(!timer);
- ath_dbg(common, HWTIMER,
- "Gen timer[%d] trigger\n", index);
- timer->trigger(timer->arg);
- }
-}
-EXPORT_SYMBOL(ath_gen_timer_isr);
-
-/********/
-/* HTC */
-/********/
-
-static struct {
- u32 version;
- const char * name;
-} ath_mac_bb_names[] = {
- /* Devices with external radios */
- { AR_SREV_VERSION_5416_PCI, "5416" },
- { AR_SREV_VERSION_5416_PCIE, "5418" },
- { AR_SREV_VERSION_9100, "9100" },
- { AR_SREV_VERSION_9160, "9160" },
- /* Single-chip solutions */
- { AR_SREV_VERSION_9280, "9280" },
- { AR_SREV_VERSION_9285, "9285" },
- { AR_SREV_VERSION_9287, "9287" },
- { AR_SREV_VERSION_9271, "9271" },
- { AR_SREV_VERSION_9300, "9300" },
- { AR_SREV_VERSION_9330, "9330" },
- { AR_SREV_VERSION_9340, "9340" },
- { AR_SREV_VERSION_9485, "9485" },
- { AR_SREV_VERSION_9462, "9462" },
-};
-
-/* For devices with external radios */
-static struct {
- u16 version;
- const char * name;
-} ath_rf_names[] = {
- { 0, "5133" },
- { AR_RAD5133_SREV_MAJOR, "5133" },
- { AR_RAD5122_SREV_MAJOR, "5122" },
- { AR_RAD2133_SREV_MAJOR, "2133" },
- { AR_RAD2122_SREV_MAJOR, "2122" }
-};
-
-/*
- * Return the MAC/BB name. "????" is returned if the MAC/BB is unknown.
- */
-static const char *ath9k_hw_mac_bb_name(u32 mac_bb_version)
-{
- int i;
-
- for (i=0; i<ARRAY_SIZE(ath_mac_bb_names); i++) {
- if (ath_mac_bb_names[i].version == mac_bb_version) {
- return ath_mac_bb_names[i].name;
- }
- }
-
- return "????";
-}
-
-/*
- * Return the RF name. "????" is returned if the RF is unknown.
- * Used for devices with external radios.
- */
-static const char *ath9k_hw_rf_name(u16 rf_version)
-{
- int i;
-
- for (i=0; i<ARRAY_SIZE(ath_rf_names); i++) {
- if (ath_rf_names[i].version == rf_version) {
- return ath_rf_names[i].name;
- }
- }
-
- return "????";
-}
-
-void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len)
-{
- int used;
-
- /* chipsets >= AR9280 are single-chip */
- if (AR_SREV_9280_20_OR_LATER(ah)) {
- used = snprintf(hw_name, len,
- "Atheros AR%s Rev:%x",
- ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev);
- }
- else {
- used = snprintf(hw_name, len,
- "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
- ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev,
- ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
- AR_RADIO_SREV_MAJOR)),
- ah->hw_version.phyRev);
- }
-
- hw_name[used] = '\0';
-}
-EXPORT_SYMBOL(ath9k_hw_name);