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ath10k: add spectral scan support for 10.4 fw
To enable/configure spectral scan parameters in 10.4 firmware, existing wmi spectral related functions can be reused. Link those functions in 10.4 wmi ops table. In addition, adjust bin size (only when size is 68 bytes) before reporting bin samples to user space. The background for this adjustment is that qca99x0 reports bin size as 68 bytes (64 bytes + 4 bytes) in report mode 2. First 64 bytes carries in-band tones (-32 to +31) and last 4 byte carries band edge detection data (+32) mainly used in radar detection purpose. Additional last 4 bytes are stripped to make bin size valid one. This bin size adjustment will happen only for qca99x0, all other chipsets will report proper bin sizes (64/128) without extra 4 bytes being added at the end. The changes are validated in qca99x0 using 10.4 firmware. Signed-off-by: Raja Mani <rmani@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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@ -73,6 +73,15 @@ int ath10k_spectral_process_fft(struct ath10k *ar,
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if (bin_len < 64 || bin_len > SPECTRAL_ATH10K_MAX_NUM_BINS)
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return -EINVAL;
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/* qca99x0 reports bin size as 68 bytes (64 bytes + 4 bytes) in
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* report mode 2. First 64 bytes carries inband tones (-32 to +31)
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* and last 4 byte carries band edge detection data (+32) mainly
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* used in radar detection purpose. Strip last 4 byte to make bin
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* size is valid one.
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*/
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if (bin_len == 68)
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bin_len -= 4;
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reg0 = __le32_to_cpu(fftr->reg0);
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reg1 = __le32_to_cpu(fftr->reg1);
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@ -6582,6 +6582,8 @@ static const struct wmi_ops wmi_10_4_ops = {
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.gen_vdev_down = ath10k_wmi_op_gen_vdev_down,
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.gen_vdev_set_param = ath10k_wmi_op_gen_vdev_set_param,
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.gen_vdev_install_key = ath10k_wmi_op_gen_vdev_install_key,
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.gen_vdev_spectral_conf = ath10k_wmi_op_gen_vdev_spectral_conf,
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.gen_vdev_spectral_enable = ath10k_wmi_op_gen_vdev_spectral_enable,
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.gen_peer_create = ath10k_wmi_op_gen_peer_create,
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.gen_peer_delete = ath10k_wmi_op_gen_peer_delete,
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.gen_peer_flush = ath10k_wmi_op_gen_peer_flush,
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