xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/ath/spectral_common.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2013 Qualcomm Atheros, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission to use, copy, modify, and/or distribute this software for any
5*4882a593Smuzhiyun  * purpose with or without fee is hereby granted, provided that the above
6*4882a593Smuzhiyun  * copyright notice and this permission notice appear in all copies.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*4882a593Smuzhiyun  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*4882a593Smuzhiyun  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*4882a593Smuzhiyun  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*4882a593Smuzhiyun  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*4882a593Smuzhiyun  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*4882a593Smuzhiyun  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*4882a593Smuzhiyun  */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifndef SPECTRAL_COMMON_H
18*4882a593Smuzhiyun #define SPECTRAL_COMMON_H
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define SPECTRAL_HT20_NUM_BINS		56
21*4882a593Smuzhiyun #define SPECTRAL_HT20_40_NUM_BINS		128
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun /* TODO: could possibly be 512, but no samples this large
24*4882a593Smuzhiyun  * could be acquired so far.
25*4882a593Smuzhiyun  */
26*4882a593Smuzhiyun #define SPECTRAL_ATH10K_MAX_NUM_BINS		256
27*4882a593Smuzhiyun #define SPECTRAL_ATH11K_MAX_NUM_BINS		512
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun /* FFT sample format given to userspace via debugfs.
30*4882a593Smuzhiyun  *
31*4882a593Smuzhiyun  * Please keep the type/length at the front position and change
32*4882a593Smuzhiyun  * other fields after adding another sample type
33*4882a593Smuzhiyun  *
34*4882a593Smuzhiyun  * TODO: this might need rework when switching to nl80211-based
35*4882a593Smuzhiyun  * interface.
36*4882a593Smuzhiyun  */
37*4882a593Smuzhiyun enum ath_fft_sample_type {
38*4882a593Smuzhiyun 	ATH_FFT_SAMPLE_HT20 = 1,
39*4882a593Smuzhiyun 	ATH_FFT_SAMPLE_HT20_40,
40*4882a593Smuzhiyun 	ATH_FFT_SAMPLE_ATH10K,
41*4882a593Smuzhiyun 	ATH_FFT_SAMPLE_ATH11K
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun struct fft_sample_tlv {
45*4882a593Smuzhiyun 	u8 type;	/* see ath_fft_sample */
46*4882a593Smuzhiyun 	__be16 length;
47*4882a593Smuzhiyun 	/* type dependent data follows */
48*4882a593Smuzhiyun } __packed;
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun struct fft_sample_ht20 {
51*4882a593Smuzhiyun 	struct fft_sample_tlv tlv;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 	u8 max_exp;
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun 	__be16 freq;
56*4882a593Smuzhiyun 	s8 rssi;
57*4882a593Smuzhiyun 	s8 noise;
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 	__be16 max_magnitude;
60*4882a593Smuzhiyun 	u8 max_index;
61*4882a593Smuzhiyun 	u8 bitmap_weight;
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun 	__be64 tsf;
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun 	u8 data[SPECTRAL_HT20_NUM_BINS];
66*4882a593Smuzhiyun } __packed;
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun struct fft_sample_ht20_40 {
69*4882a593Smuzhiyun 	struct fft_sample_tlv tlv;
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun 	u8 channel_type;
72*4882a593Smuzhiyun 	__be16 freq;
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun 	s8 lower_rssi;
75*4882a593Smuzhiyun 	s8 upper_rssi;
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun 	__be64 tsf;
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun 	s8 lower_noise;
80*4882a593Smuzhiyun 	s8 upper_noise;
81*4882a593Smuzhiyun 
82*4882a593Smuzhiyun 	__be16 lower_max_magnitude;
83*4882a593Smuzhiyun 	__be16 upper_max_magnitude;
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun 	u8 lower_max_index;
86*4882a593Smuzhiyun 	u8 upper_max_index;
87*4882a593Smuzhiyun 
88*4882a593Smuzhiyun 	u8 lower_bitmap_weight;
89*4882a593Smuzhiyun 	u8 upper_bitmap_weight;
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun 	u8 max_exp;
92*4882a593Smuzhiyun 
93*4882a593Smuzhiyun 	u8 data[SPECTRAL_HT20_40_NUM_BINS];
94*4882a593Smuzhiyun } __packed;
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun struct fft_sample_ath10k {
97*4882a593Smuzhiyun 	struct fft_sample_tlv tlv;
98*4882a593Smuzhiyun 	u8 chan_width_mhz;
99*4882a593Smuzhiyun 	__be16 freq1;
100*4882a593Smuzhiyun 	__be16 freq2;
101*4882a593Smuzhiyun 	__be16 noise;
102*4882a593Smuzhiyun 	__be16 max_magnitude;
103*4882a593Smuzhiyun 	__be16 total_gain_db;
104*4882a593Smuzhiyun 	__be16 base_pwr_db;
105*4882a593Smuzhiyun 	__be64 tsf;
106*4882a593Smuzhiyun 	s8 max_index;
107*4882a593Smuzhiyun 	u8 rssi;
108*4882a593Smuzhiyun 	u8 relpwr_db;
109*4882a593Smuzhiyun 	u8 avgpwr_db;
110*4882a593Smuzhiyun 	u8 max_exp;
111*4882a593Smuzhiyun 
112*4882a593Smuzhiyun 	u8 data[0];
113*4882a593Smuzhiyun } __packed;
114*4882a593Smuzhiyun 
115*4882a593Smuzhiyun struct fft_sample_ath11k {
116*4882a593Smuzhiyun 	struct fft_sample_tlv tlv;
117*4882a593Smuzhiyun 	u8 chan_width_mhz;
118*4882a593Smuzhiyun 	s8 max_index;
119*4882a593Smuzhiyun 	u8 max_exp;
120*4882a593Smuzhiyun 	__be16 freq1;
121*4882a593Smuzhiyun 	__be16 freq2;
122*4882a593Smuzhiyun 	__be16 max_magnitude;
123*4882a593Smuzhiyun 	__be16 rssi;
124*4882a593Smuzhiyun 	__be32 tsf;
125*4882a593Smuzhiyun 	__be32 noise;
126*4882a593Smuzhiyun 
127*4882a593Smuzhiyun 	u8 data[0];
128*4882a593Smuzhiyun } __packed;
129*4882a593Smuzhiyun 
130*4882a593Smuzhiyun #endif /* SPECTRAL_COMMON_H */
131