245 lines
6.5 KiB
C
245 lines
6.5 KiB
C
/*
|
|
* Copyright (c) 2012 Qualcomm Atheros, All Rights Reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#include "opt_ah.h"
|
|
|
|
#include "ah.h"
|
|
#include "ah_internal.h"
|
|
#include "ah_devid.h"
|
|
#include "ah_desc.h" /* NB: for HAL_PHYERR* */
|
|
|
|
#include "ar5416/ar5416.h"
|
|
#include "ar5416/ar5416reg.h"
|
|
#include "ar5416/ar5416phy.h"
|
|
|
|
/*
|
|
* Default AR9280 spectral scan parameters
|
|
*/
|
|
#define AR5416_SPECTRAL_SCAN_ENA 0
|
|
#define AR5416_SPECTRAL_SCAN_ACTIVE 0
|
|
#define AR5416_SPECTRAL_SCAN_FFT_PERIOD 8
|
|
#define AR5416_SPECTRAL_SCAN_PERIOD 1
|
|
#define AR5416_SPECTRAL_SCAN_COUNT 16 //used to be 128
|
|
#define AR5416_SPECTRAL_SCAN_SHORT_REPEAT 1
|
|
|
|
/* constants */
|
|
#define MAX_RADAR_RSSI_THRESH 0x3f
|
|
#define MAX_RADAR_HEIGHT 0x3f
|
|
#define ENABLE_ALL_PHYERR 0xffffffff
|
|
|
|
static void ar5416DisableRadar(struct ath_hal *ah);
|
|
static void ar5416PrepSpectralScan(struct ath_hal *ah);
|
|
|
|
static void
|
|
ar5416DisableRadar(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
|
|
// Enable radar FFT
|
|
val = OS_REG_READ(ah, AR_PHY_RADAR_0);
|
|
val |= AR_PHY_RADAR_0_FFT_ENA;
|
|
|
|
// set radar detect thresholds to max to effectively disable radar
|
|
val &= ~AR_PHY_RADAR_0_RRSSI;
|
|
val |= SM(MAX_RADAR_RSSI_THRESH, AR_PHY_RADAR_0_RRSSI);
|
|
|
|
val &= ~AR_PHY_RADAR_0_HEIGHT;
|
|
val |= SM(MAX_RADAR_HEIGHT, AR_PHY_RADAR_0_HEIGHT);
|
|
|
|
val &= ~(AR_PHY_RADAR_0_ENA);
|
|
OS_REG_WRITE(ah, AR_PHY_RADAR_0, val);
|
|
|
|
// disable extension radar detect
|
|
val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
|
|
OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val & ~AR_PHY_RADAR_EXT_ENA);
|
|
|
|
val = OS_REG_READ(ah, AR_RX_FILTER);
|
|
val |= (1<<13);
|
|
OS_REG_WRITE(ah, AR_RX_FILTER, val);
|
|
}
|
|
|
|
static void
|
|
ar5416PrepSpectralScan(struct ath_hal *ah)
|
|
{
|
|
|
|
ar5416DisableRadar(ah);
|
|
OS_REG_WRITE(ah, AR_PHY_ERR, ENABLE_ALL_PHYERR);
|
|
}
|
|
|
|
void
|
|
ar5416ConfigureSpectralScan(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
|
|
{
|
|
uint32_t val;
|
|
|
|
ar5416PrepSpectralScan(ah);
|
|
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
|
|
if (ss->ss_fft_period != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_FFT_PERIOD;
|
|
val |= SM(ss->ss_fft_period, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
|
|
}
|
|
|
|
if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
|
|
val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
|
|
}
|
|
|
|
if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
|
|
val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
|
|
}
|
|
|
|
/* This section is different for Kiwi and Merlin */
|
|
if (AR_SREV_MERLIN(ah) ) {
|
|
if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_COUNT;
|
|
val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT);
|
|
}
|
|
|
|
if (ss->ss_short_report == AH_TRUE) {
|
|
val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
|
|
} else if (ss->ss_short_report != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
|
|
}
|
|
} else {
|
|
if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
/*
|
|
* In Merlin, for continous scan, scan_count = 128.
|
|
* In case of Kiwi, this value should be 0
|
|
*/
|
|
if (ss->ss_count == 128)
|
|
ss->ss_count = 0;
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_COUNT_KIWI;
|
|
val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
|
|
}
|
|
|
|
if (ss->ss_short_report == AH_TRUE) {
|
|
val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
|
|
} else if (ss->ss_short_report != HAL_SPECTRAL_PARAM_NOVAL) {
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
|
|
}
|
|
|
|
//Select the mask to be same as before
|
|
val |= AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT_KIWI;
|
|
}
|
|
// Enable spectral scan
|
|
OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENA);
|
|
|
|
ar5416GetSpectralParams(ah, ss);
|
|
}
|
|
|
|
/*
|
|
* Get the spectral parameter values and return them in the pe
|
|
* structure
|
|
*/
|
|
void
|
|
ar5416GetSpectralParams(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
|
|
{
|
|
uint32_t val;
|
|
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
|
|
ss->ss_fft_period = MS(val, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
|
|
ss->ss_period = MS(val, AR_PHY_SPECTRAL_SCAN_PERIOD);
|
|
if (AR_SREV_MERLIN(ah) ) {
|
|
ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT);
|
|
ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT);
|
|
} else {
|
|
ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
|
|
ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI);
|
|
}
|
|
val = OS_REG_READ(ah, AR_PHY_RADAR_1);
|
|
ss->radar_bin_thresh_sel = MS(val, AR_PHY_RADAR_1_BIN_THRESH_SELECT);
|
|
}
|
|
|
|
HAL_BOOL
|
|
ar5416IsSpectralActive(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
return MS(val, AR_PHY_SPECTRAL_SCAN_ACTIVE);
|
|
}
|
|
|
|
HAL_BOOL
|
|
ar5416IsSpectralEnabled(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
return MS(val,AR_PHY_SPECTRAL_SCAN_ENA);
|
|
}
|
|
|
|
void
|
|
ar5416StartSpectralScan(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
|
|
ar5416PrepSpectralScan(ah);
|
|
|
|
// Activate spectral scan
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
val |= AR_PHY_SPECTRAL_SCAN_ENA;
|
|
val |= AR_PHY_SPECTRAL_SCAN_ACTIVE;
|
|
OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG);
|
|
OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val | AR_PHY_ERR_RADAR);
|
|
}
|
|
|
|
void
|
|
ar5416StopSpectralScan(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
|
|
// Deactivate spectral scan
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_ENA;
|
|
val &= ~AR_PHY_SPECTRAL_SCAN_ACTIVE;
|
|
OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG) & (~AR_PHY_ERR_RADAR);
|
|
OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val);
|
|
}
|
|
|
|
uint32_t
|
|
ar5416GetSpectralConfig(struct ath_hal *ah)
|
|
{
|
|
uint32_t val;
|
|
|
|
val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
return val;
|
|
}
|
|
|
|
void
|
|
ar5416RestoreSpectralConfig(struct ath_hal *ah, uint32_t restoreval)
|
|
{
|
|
uint32_t curval;
|
|
|
|
ar5416PrepSpectralScan(ah);
|
|
|
|
curval = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
|
|
|
|
if (restoreval != curval) {
|
|
restoreval |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
|
|
OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, restoreval);
|
|
}
|
|
return;
|
|
}
|
|
|