qcacld-3.0: Define Spectral Scan userspace interface structures

Define spectral scan user space interface structures to send corresponding
messages to user space.

Change-Id: I520615fc3cb416746f8cfb8f0cc3b177ca431ab9
CRs-fixed: 2036938

1 files changed, 157 insertions, 0 deletions

diff --git a/uapi/linux/spectral_scan_fmt.h b/uapi/linux/spectral_scan_fmt.h
new file mode 100644
index 000000000000..207812a47272
--- /dev/null
+++ b/uapi/linux/spectral_scan_fmt.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2017 The Linux Foundation. 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.
+ */
+
+/**
+ * DOC: spectral_scan_fmt.h
+ *
+ * WLAN Host Device Driver Spectral Scan Implementation
+ */
+
+#ifndef _SPECTRAL_SCAN_FMT_H_
+#define _SPECTRAL_SCAN_FMT_H_
+
+#ifndef __ATTRIB_PACK
+#define __ATTRIB_PACK __packed
+#endif
+
+#define MAX_INTERF 10 /* 5 categories x (lower + upper) bands */
+#define MAX_NUM_BINS 520
+#define MAX_SPECTRAL_CHAINS  3
+
+/**
+ * struct INTERF_RSP_INFO - Interference source info
+ * @interf_min_freq: Interference minimum frequency
+ * @interf_max_freq: Interference maximum frequency
+ * @interf_type: Interference type
+ */
+struct INTERF_RSP_INFO {
+	uint16_t interf_min_freq;
+	uint16_t interf_max_freq;
+	uint8_t  interf_type;
+} __ATTRIB_PACK;
+
+/**
+ * struct INTERF_SRC_RSP_INFO - Interference source info
+ * @count: number of interference sources
+ * @interf: interference info
+ */
+struct INTERF_SRC_RSP_INFO {
+	uint16_t count;
+	struct INTERF_RSP_INFO interf[MAX_INTERF];
+} __ATTRIB_PACK;
+
+/**
+ * struct samp_msg_data_info - FFT sampling data
+ * @spectral_tstamp: timestamp
+ * @spectral_last_tstamp: last time stamp
+ * @ch_width: channel width
+ * @spectral_data_len: bin size for the sampling data
+ * @spectral_data_len_sec80: bin size for secondary 80Mhz segment
+ * @spectral_rssi: RSSI value
+ * @spectral_rssi_sec80: RSSI value for secondary 80Mhz segment
+ * @spectral_bwinfo: bandwidth info
+ * @spectral_max_index: index of max magnitude
+ * @spectral_max_index_sec80: index of max magnitude for secondary 80Mhz segment
+ * @spectral_max_mag: maximum magnitude
+ * @spectral_max_mag_sec80: maximum magnitude for secondary 80Mhz segment
+ * @spectral_upper_max_index: index of max magnitude in upper band
+ * @spectral_lower_max_index: index of max magnitude in lower band
+ * @bin_pwr_count: number of FFT bins
+ * @bin_pwr_count_sec80: number of FFT bins in secondary 80MHz segment
+ * @noise_floor: current noise floor
+ * @noise_floor_sec80: current noise floor in secondary 80MHz segment
+ * @spectral_max_exp: maximum exp
+ * @spectral_combined_rssi: combined RSSI from all antennas
+ * @spectral_upper_rssi: RSSI of upper band
+ * @spectral_lower_rssi: RSSI of lower band
+ * @spectral_chain_ctl_rssi: RSSI for control channel, for all antennas
+ * @spectral_chain_ext_rssi: RSSI for extension channel, for all antennas
+ * @spectral_max_scale: scale factor
+ * @spectral_nb_upper: not used
+ * @spectral_nb_lower: not used
+ * @lb_edge_extrabins: number of extra bins on left band edge
+ * @rb_edge_extrabins: number of extra bins on right band edge
+ * @bin_pwr: FFT magnitudes
+ * @bin_pwr_sec80: FFT magnitudes in secondary 80MHz segment
+ * @interf_list: list of interference source
+ */
+struct samp_msg_data_info {
+	int32_t     spectral_tstamp;
+	int32_t     spectral_last_tstamp;
+	uint32_t    ch_width;
+	int16_t     spectral_data_len;
+	int16_t     spectral_data_len_sec80;
+	int16_t     spectral_rssi;
+	int16_t     spectral_rssi_sec80;
+	int16_t     spectral_bwinfo;
+	int16_t     spectral_max_index;
+	int16_t     spectral_max_index_sec80;
+	int16_t     spectral_max_mag;
+	int16_t     spectral_max_mag_sec80;
+	int16_t     spectral_upper_max_index;
+	int16_t     spectral_lower_max_index;
+	uint16_t    bin_pwr_count;
+	uint16_t    bin_pwr_count_sec80;
+	int16_t     noise_floor;
+	int16_t     noise_floor_sec80;
+	uint8_t     spectral_max_exp;
+	int8_t      spectral_combined_rssi;
+	int8_t      spectral_upper_rssi;
+	int8_t      spectral_lower_rssi;
+	int8_t      spectral_chain_ctl_rssi[MAX_SPECTRAL_CHAINS];
+	int8_t      spectral_chain_ext_rssi[MAX_SPECTRAL_CHAINS];
+	uint8_t     spectral_max_scale;
+	uint8_t     spectral_nb_upper;
+	uint8_t     spectral_nb_lower;
+	uint8_t     lb_edge_extrabins;
+	uint8_t     rb_edge_extrabins;
+	uint8_t     bin_pwr[MAX_NUM_BINS];
+	uint8_t     bin_pwr_sec80[MAX_NUM_BINS];
+	struct      INTERF_SRC_RSP_INFO interf_list;
+} __ATTRIB_PACK;
+
+#define SPECTRAL_DCS_INT_NONE    0
+#define SPECTRAL_DCS_INT_CW      1
+#define SPECTRAL_DCS_INT_WIFI    2
+
+#define SAMP_SIGNATURE 0xdeadbeef
+/**
+ * struct spectral_samp_msg_info - FFT sampling data
+ * @signature: flag indicating it is a samp message (0xdeadbeef)
+ * @freq: Operating frequency in MHz
+ * @vhtop_ch_freq_seg1: VHT channel frequency segment 1
+ * @vhtop_ch_freq_seg2: VHT channel frequency segment 2
+ * @freq_loading: how busy was the channel
+ * @dcs_enabled: if DCS is enabled
+ * @int_type: DCS interface type, defined as above values 0, 1, 2
+ * @macaddr: interface mac address
+ * @samp_data: sampling data
+ */
+struct spectral_samp_msg_info {
+	uint32_t      signature;
+	uint16_t      freq;
+	uint16_t      vhtop_ch_freq_seg1;
+	uint16_t      vhtop_ch_freq_seg2;
+	uint16_t      freq_loading;
+	uint8_t       dcs_enabled;
+	uint8_t       int_type;
+	uint8_t       macaddr[6];
+	struct samp_msg_data_info samp_data;
+} __ATTRIB_PACK;
+
+#endif /* _SPECTRAL_SCAN_FMT_H_ */