1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/spectral_common.h b/drivers/net/wireless/ath/spectral_common.h
new file mode 100644
index 000000000000..0d742acb1599
--- /dev/null
+++ b/drivers/net/wireless/ath/spectral_common.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2013 Qualcomm Atheros, 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.
+ */
+
+#ifndef SPECTRAL_COMMON_H
+#define SPECTRAL_COMMON_H
+
+#define SPECTRAL_HT20_NUM_BINS          56
+#define SPECTRAL_HT20_40_NUM_BINS               128
+
+/* TODO: could possibly be 512, but no samples this large
+ * could be acquired so far.
+ */
+#define SPECTRAL_ATH10K_MAX_NUM_BINS            256
+
+/* FFT sample format given to userspace via debugfs.
+ *
+ * Please keep the type/length at the front position and change
+ * other fields after adding another sample type
+ *
+ * TODO: this might need rework when switching to nl80211-based
+ * interface.
+ */
+enum ath_fft_sample_type {
+        ATH_FFT_SAMPLE_HT20 = 1,
+        ATH_FFT_SAMPLE_HT20_40,
+        ATH_FFT_SAMPLE_ATH10K,
+};
+
+struct fft_sample_tlv {
+        u8 type;        /* see ath_fft_sample */
+        __be16 length;
+        /* type dependent data follows */
+} __packed;
+
+struct fft_sample_ht20 {
+        struct fft_sample_tlv tlv;
+
+        u8 max_exp;
+
+        __be16 freq;
+        s8 rssi;
+        s8 noise;
+
+        __be16 max_magnitude;
+        u8 max_index;
+        u8 bitmap_weight;
+
+        __be64 tsf;
+
+        u8 data[SPECTRAL_HT20_NUM_BINS];
+} __packed;
+
+struct fft_sample_ht20_40 {
+        struct fft_sample_tlv tlv;
+
+        u8 channel_type;
+        __be16 freq;
+
+        s8 lower_rssi;
+        s8 upper_rssi;
+
+        __be64 tsf;
+
+        s8 lower_noise;
+        s8 upper_noise;
+
+        __be16 lower_max_magnitude;
+        __be16 upper_max_magnitude;
+
+        u8 lower_max_index;
+        u8 upper_max_index;
+
+        u8 lower_bitmap_weight;
+        u8 upper_bitmap_weight;
+
+        u8 max_exp;
+
+        u8 data[SPECTRAL_HT20_40_NUM_BINS];
+} __packed;
+
+struct fft_sample_ath10k {
+        struct fft_sample_tlv tlv;
+        u8 chan_width_mhz;
+        __be16 freq1;
+        __be16 freq2;
+        __be16 noise;
+        __be16 max_magnitude;
+        __be16 total_gain_db;
+        __be16 base_pwr_db;
+        __be64 tsf;
+        s8 max_index;
+        u8 rssi;
+        u8 relpwr_db;
+        u8 avgpwr_db;
+        u8 max_exp;
+
+        u8 data[0];
+} __packed;
+
+#endif /* SPECTRAL_COMMON_H */