1/*
2 * Copyright (c) 2012 Qualcomm Atheros, All Rights Reserved.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 *
| 1/*
2 * Copyright (c) 2012 Qualcomm Atheros, All Rights Reserved.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 *
|
16 * $FreeBSD: head/sys/dev/ath/ath_hal/ar5416/ar5416_spectral.c 244943 2013-01-02 00:38:01Z adrian $
| 16 * $FreeBSD: head/sys/dev/ath/ath_hal/ar5416/ar5416_spectral.c 244950 2013-01-02 03:56:20Z adrian $
|
17 */
18#include "opt_ah.h"
19
20#include "ah.h"
21#include "ah_internal.h"
22#include "ah_devid.h"
23#include "ah_desc.h" /* NB: for HAL_PHYERR* */
24
25#include "ar5416/ar5416.h"
26#include "ar5416/ar5416reg.h"
27#include "ar5416/ar5416phy.h"
28
29/*
30 * Default AR9280 spectral scan parameters
31 */
32#define AR5416_SPECTRAL_SCAN_ENA 0
33#define AR5416_SPECTRAL_SCAN_ACTIVE 0
34#define AR5416_SPECTRAL_SCAN_FFT_PERIOD 8
35#define AR5416_SPECTRAL_SCAN_PERIOD 1
36#define AR5416_SPECTRAL_SCAN_COUNT 16 //used to be 128
37#define AR5416_SPECTRAL_SCAN_SHORT_REPEAT 1
38
39/* constants */
40#define MAX_RADAR_RSSI_THRESH 0x3f
41#define MAX_RADAR_HEIGHT 0x3f
42#define ENABLE_ALL_PHYERR 0xffffffff
43
44static void ar5416DisableRadar(struct ath_hal *ah);
45static void ar5416PrepSpectralScan(struct ath_hal *ah);
46
47static void
48ar5416DisableRadar(struct ath_hal *ah)
49{
50 uint32_t val;
51
52 // Enable radar FFT
53 val = OS_REG_READ(ah, AR_PHY_RADAR_0);
54 val |= AR_PHY_RADAR_0_FFT_ENA;
55
56 // set radar detect thresholds to max to effectively disable radar
57 val &= ~AR_PHY_RADAR_0_RRSSI;
58 val |= SM(MAX_RADAR_RSSI_THRESH, AR_PHY_RADAR_0_RRSSI);
59
60 val &= ~AR_PHY_RADAR_0_HEIGHT;
61 val |= SM(MAX_RADAR_HEIGHT, AR_PHY_RADAR_0_HEIGHT);
62
63 val &= ~(AR_PHY_RADAR_0_ENA);
64 OS_REG_WRITE(ah, AR_PHY_RADAR_0, val);
65
66 // disable extension radar detect
67 val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
68 OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val & ~AR_PHY_RADAR_EXT_ENA);
69
70 val = OS_REG_READ(ah, AR_RX_FILTER);
71 val |= (1<<13);
72 OS_REG_WRITE(ah, AR_RX_FILTER, val);
73}
74
75static void
76ar5416PrepSpectralScan(struct ath_hal *ah)
77{
78
79 ar5416DisableRadar(ah);
80 OS_REG_WRITE(ah, AR_PHY_ERR, ENABLE_ALL_PHYERR);
81}
82
83void
84ar5416ConfigureSpectralScan(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
85{
86 uint32_t val;
87
88 ar5416PrepSpectralScan(ah);
89
90 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
91
92 if (ss->ss_fft_period != HAL_SPECTRAL_PARAM_NOVAL) {
93 val &= ~AR_PHY_SPECTRAL_SCAN_FFT_PERIOD;
94 val |= SM(ss->ss_fft_period, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
95 }
96
97 if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
98 val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
99 val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
100 }
101
102 if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
103 val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
104 val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
105 }
106
107 /* This section is different for Kiwi and Merlin */
108 if (AR_SREV_MERLIN(ah) ) {
109 if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
110 val &= ~AR_PHY_SPECTRAL_SCAN_COUNT;
111 val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT);
112 }
113
114 if (ss->ss_short_report == AH_TRUE) {
115 val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
| 17 */
18#include "opt_ah.h"
19
20#include "ah.h"
21#include "ah_internal.h"
22#include "ah_devid.h"
23#include "ah_desc.h" /* NB: for HAL_PHYERR* */
24
25#include "ar5416/ar5416.h"
26#include "ar5416/ar5416reg.h"
27#include "ar5416/ar5416phy.h"
28
29/*
30 * Default AR9280 spectral scan parameters
31 */
32#define AR5416_SPECTRAL_SCAN_ENA 0
33#define AR5416_SPECTRAL_SCAN_ACTIVE 0
34#define AR5416_SPECTRAL_SCAN_FFT_PERIOD 8
35#define AR5416_SPECTRAL_SCAN_PERIOD 1
36#define AR5416_SPECTRAL_SCAN_COUNT 16 //used to be 128
37#define AR5416_SPECTRAL_SCAN_SHORT_REPEAT 1
38
39/* constants */
40#define MAX_RADAR_RSSI_THRESH 0x3f
41#define MAX_RADAR_HEIGHT 0x3f
42#define ENABLE_ALL_PHYERR 0xffffffff
43
44static void ar5416DisableRadar(struct ath_hal *ah);
45static void ar5416PrepSpectralScan(struct ath_hal *ah);
46
47static void
48ar5416DisableRadar(struct ath_hal *ah)
49{
50 uint32_t val;
51
52 // Enable radar FFT
53 val = OS_REG_READ(ah, AR_PHY_RADAR_0);
54 val |= AR_PHY_RADAR_0_FFT_ENA;
55
56 // set radar detect thresholds to max to effectively disable radar
57 val &= ~AR_PHY_RADAR_0_RRSSI;
58 val |= SM(MAX_RADAR_RSSI_THRESH, AR_PHY_RADAR_0_RRSSI);
59
60 val &= ~AR_PHY_RADAR_0_HEIGHT;
61 val |= SM(MAX_RADAR_HEIGHT, AR_PHY_RADAR_0_HEIGHT);
62
63 val &= ~(AR_PHY_RADAR_0_ENA);
64 OS_REG_WRITE(ah, AR_PHY_RADAR_0, val);
65
66 // disable extension radar detect
67 val = OS_REG_READ(ah, AR_PHY_RADAR_EXT);
68 OS_REG_WRITE(ah, AR_PHY_RADAR_EXT, val & ~AR_PHY_RADAR_EXT_ENA);
69
70 val = OS_REG_READ(ah, AR_RX_FILTER);
71 val |= (1<<13);
72 OS_REG_WRITE(ah, AR_RX_FILTER, val);
73}
74
75static void
76ar5416PrepSpectralScan(struct ath_hal *ah)
77{
78
79 ar5416DisableRadar(ah);
80 OS_REG_WRITE(ah, AR_PHY_ERR, ENABLE_ALL_PHYERR);
81}
82
83void
84ar5416ConfigureSpectralScan(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
85{
86 uint32_t val;
87
88 ar5416PrepSpectralScan(ah);
89
90 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
91
92 if (ss->ss_fft_period != HAL_SPECTRAL_PARAM_NOVAL) {
93 val &= ~AR_PHY_SPECTRAL_SCAN_FFT_PERIOD;
94 val |= SM(ss->ss_fft_period, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
95 }
96
97 if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
98 val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
99 val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
100 }
101
102 if (ss->ss_period != HAL_SPECTRAL_PARAM_NOVAL) {
103 val &= ~AR_PHY_SPECTRAL_SCAN_PERIOD;
104 val |= SM(ss->ss_period, AR_PHY_SPECTRAL_SCAN_PERIOD);
105 }
106
107 /* This section is different for Kiwi and Merlin */
108 if (AR_SREV_MERLIN(ah) ) {
109 if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
110 val &= ~AR_PHY_SPECTRAL_SCAN_COUNT;
111 val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT);
112 }
113
114 if (ss->ss_short_report == AH_TRUE) {
115 val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
|
116 } else {
| 116 } else if (ss->ss_short_report != HAL_SPECTRAL_PARAM_NOVAL) {
|
117 val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
118 }
119 } else {
120 if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
121 /*
122 * In Merlin, for continous scan, scan_count = 128.
123 * In case of Kiwi, this value should be 0
124 */
125 if (ss->ss_count == 128)
126 ss->ss_count = 0;
127 val &= ~AR_PHY_SPECTRAL_SCAN_COUNT_KIWI;
128 val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
129 }
130
131 if (ss->ss_short_report == AH_TRUE) {
132 val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
| 117 val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
118 }
119 } else {
120 if (ss->ss_count != HAL_SPECTRAL_PARAM_NOVAL) {
121 /*
122 * In Merlin, for continous scan, scan_count = 128.
123 * In case of Kiwi, this value should be 0
124 */
125 if (ss->ss_count == 128)
126 ss->ss_count = 0;
127 val &= ~AR_PHY_SPECTRAL_SCAN_COUNT_KIWI;
128 val |= SM(ss->ss_count, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
129 }
130
131 if (ss->ss_short_report == AH_TRUE) {
132 val |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
|
133 } else {
| 133 } else if (ss->ss_short_report != HAL_SPECTRAL_PARAM_NOVAL) {
|
134 val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
135 }
136
137 //Select the mask to be same as before
138 val |= AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT_KIWI;
139 }
140 // Enable spectral scan
141 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENA);
142
143 ar5416GetSpectralParams(ah, ss);
144}
145
146/*
147 * Get the spectral parameter values and return them in the pe
148 * structure
149 */
150void
151ar5416GetSpectralParams(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
152{
153 uint32_t val;
154
155 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
156
157 ss->ss_fft_period = MS(val, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
158 ss->ss_period = MS(val, AR_PHY_SPECTRAL_SCAN_PERIOD);
159 if (AR_SREV_MERLIN(ah) ) {
160 ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT);
161 ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT);
162 } else {
163 ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
164 ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI);
165 }
166 val = OS_REG_READ(ah, AR_PHY_RADAR_1);
167 ss->radar_bin_thresh_sel = MS(val, AR_PHY_RADAR_1_BIN_THRESH_SELECT);
168}
169
170HAL_BOOL
171ar5416IsSpectralActive(struct ath_hal *ah)
172{
173 uint32_t val;
174
175 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
176 return MS(val, AR_PHY_SPECTRAL_SCAN_ACTIVE);
177}
178
179HAL_BOOL
180ar5416IsSpectralEnabled(struct ath_hal *ah)
181{
182 uint32_t val;
183
184 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
185 return MS(val,AR_PHY_SPECTRAL_SCAN_ENA);
186}
187
188void
189ar5416StartSpectralScan(struct ath_hal *ah)
190{
191 uint32_t val;
192
193 ar5416PrepSpectralScan(ah);
194
195 // Activate spectral scan
196 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
197 val |= AR_PHY_SPECTRAL_SCAN_ENA;
198 val |= AR_PHY_SPECTRAL_SCAN_ACTIVE;
199 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
200 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
201 val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG);
202 OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val | AR_PHY_ERR_RADAR);
203}
204
205void
206ar5416StopSpectralScan(struct ath_hal *ah)
207{
208 uint32_t val;
209 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
210
211 // Deactivate spectral scan
212 val &= ~AR_PHY_SPECTRAL_SCAN_ENA;
213 val &= ~AR_PHY_SPECTRAL_SCAN_ACTIVE;
214 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
215 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
216 val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG) & (~AR_PHY_ERR_RADAR);
217 OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val);
218}
219
220uint32_t
221ar5416GetSpectralConfig(struct ath_hal *ah)
222{
223 uint32_t val;
224
225 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
226 return val;
227}
228
229void
230ar5416RestoreSpectralConfig(struct ath_hal *ah, uint32_t restoreval)
231{
232 uint32_t curval;
233
234 ar5416PrepSpectralScan(ah);
235
236 curval = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
237
238 if (restoreval != curval) {
239 restoreval |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
240 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, restoreval);
241 }
242 return;
243}
244
| 134 val &= ~AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
135 }
136
137 //Select the mask to be same as before
138 val |= AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT_KIWI;
139 }
140 // Enable spectral scan
141 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val | AR_PHY_SPECTRAL_SCAN_ENA);
142
143 ar5416GetSpectralParams(ah, ss);
144}
145
146/*
147 * Get the spectral parameter values and return them in the pe
148 * structure
149 */
150void
151ar5416GetSpectralParams(struct ath_hal *ah, HAL_SPECTRAL_PARAM *ss)
152{
153 uint32_t val;
154
155 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
156
157 ss->ss_fft_period = MS(val, AR_PHY_SPECTRAL_SCAN_FFT_PERIOD);
158 ss->ss_period = MS(val, AR_PHY_SPECTRAL_SCAN_PERIOD);
159 if (AR_SREV_MERLIN(ah) ) {
160 ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT);
161 ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT);
162 } else {
163 ss->ss_count = MS(val, AR_PHY_SPECTRAL_SCAN_COUNT_KIWI);
164 ss->ss_short_report = MS(val, AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI);
165 }
166 val = OS_REG_READ(ah, AR_PHY_RADAR_1);
167 ss->radar_bin_thresh_sel = MS(val, AR_PHY_RADAR_1_BIN_THRESH_SELECT);
168}
169
170HAL_BOOL
171ar5416IsSpectralActive(struct ath_hal *ah)
172{
173 uint32_t val;
174
175 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
176 return MS(val, AR_PHY_SPECTRAL_SCAN_ACTIVE);
177}
178
179HAL_BOOL
180ar5416IsSpectralEnabled(struct ath_hal *ah)
181{
182 uint32_t val;
183
184 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
185 return MS(val,AR_PHY_SPECTRAL_SCAN_ENA);
186}
187
188void
189ar5416StartSpectralScan(struct ath_hal *ah)
190{
191 uint32_t val;
192
193 ar5416PrepSpectralScan(ah);
194
195 // Activate spectral scan
196 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
197 val |= AR_PHY_SPECTRAL_SCAN_ENA;
198 val |= AR_PHY_SPECTRAL_SCAN_ACTIVE;
199 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
200 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
201 val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG);
202 OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val | AR_PHY_ERR_RADAR);
203}
204
205void
206ar5416StopSpectralScan(struct ath_hal *ah)
207{
208 uint32_t val;
209 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
210
211 // Deactivate spectral scan
212 val &= ~AR_PHY_SPECTRAL_SCAN_ENA;
213 val &= ~AR_PHY_SPECTRAL_SCAN_ACTIVE;
214 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
215 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
216 val = OS_REG_READ(ah, AR_PHY_ERR_MASK_REG) & (~AR_PHY_ERR_RADAR);
217 OS_REG_WRITE(ah, AR_PHY_ERR_MASK_REG, val);
218}
219
220uint32_t
221ar5416GetSpectralConfig(struct ath_hal *ah)
222{
223 uint32_t val;
224
225 val = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
226 return val;
227}
228
229void
230ar5416RestoreSpectralConfig(struct ath_hal *ah, uint32_t restoreval)
231{
232 uint32_t curval;
233
234 ar5416PrepSpectralScan(ah);
235
236 curval = OS_REG_READ(ah, AR_PHY_SPECTRAL_SCAN);
237
238 if (restoreval != curval) {
239 restoreval |= AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
240 OS_REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, restoreval);
241 }
242 return;
243}
244
|