ath/ath10k/spectral.c

11 static void send_fft_sample(struct ath10k *ar,
16 	if (!ar->spectral.rfs_chan_spec_scan)
21 	relay_write(ar->spectral.rfs_chan_spec_scan, fft_sample_tlv, length);
48 static inline size_t ath10k_spectral_fix_bin_size(struct ath10k *ar,
58 		bin_len -= ar->hw_params.spectral_bin_discard;
63 int ath10k_spectral_process_fft(struct ath10k *ar,
77 	bin_len = ath10k_spectral_fix_bin_size(ar, bin_len);
137 	bins += sizeof(*fftr) + ar->hw_params.spectral_bin_offset;
156 	send_fft_sample(ar, &fft_sample->tlv);
161 static struct ath10k_vif *ath10k_get_spectral_vdev(struct ath10k *ar)
165 	lockdep_assert_held(&ar->conf_mutex);
167 	if (list_empty(&ar->arvifs))
171 	list_for_each_entry(arvif, &ar->arvifs, list)
176 	return list_first_entry(&ar->arvifs, typeof(*arvif), list);
179 static int ath10k_spectral_scan_trigger(struct ath10k *ar)
185 	lockdep_assert_held(&ar->conf_mutex);
187 	arvif = ath10k_get_spectral_vdev(ar);
192 	if (ar->spectral.mode == SPECTRAL_DISABLED)
195 	res = ath10k_wmi_vdev_spectral_enable(ar, vdev_id,
201 	res = ath10k_wmi_vdev_spectral_enable(ar, vdev_id,
210 static int ath10k_spectral_scan_config(struct ath10k *ar,
217 	lockdep_assert_held(&ar->conf_mutex);
219 	arvif = ath10k_get_spectral_vdev(ar);
226 	ar->spectral.mode = mode;
228 	res = ath10k_wmi_vdev_spectral_enable(ar, vdev_id,
232 		ath10k_warn(ar, "failed to enable spectral scan: %d\n", res);
242 		count = max_t(u8, 1, ar->spectral.config.count);
248 	arg.scan_fft_size = ar->spectral.config.fft_size;
264 	res = ath10k_wmi_vdev_spectral_conf(ar, &arg);
266 		ath10k_warn(ar, "failed to configure spectral scan: %d\n", res);
276 	struct ath10k *ar = file->private_data;
281 	mutex_lock(&ar->conf_mutex);
282 	spectral_mode = ar->spectral.mode;
283 	mutex_unlock(&ar->conf_mutex);
305 	struct ath10k *ar = file->private_data;
316 	mutex_lock(&ar->conf_mutex);
319 		if (ar->spectral.mode == SPECTRAL_MANUAL ||
320 		    ar->spectral.mode == SPECTRAL_BACKGROUND) {
324 			res = ath10k_spectral_scan_config(ar,
325 							  ar->spectral.mode);
327 				ath10k_warn(ar, "failed to reconfigure spectral scan: %d\n",
330 			res = ath10k_spectral_scan_trigger(ar);
332 				ath10k_warn(ar, "failed to trigger spectral scan: %d\n",
339 		res = ath10k_spectral_scan_config(ar, SPECTRAL_BACKGROUND);
341 		res = ath10k_spectral_scan_config(ar, SPECTRAL_MANUAL);
343 		res = ath10k_spectral_scan_config(ar, SPECTRAL_DISABLED);
348 	mutex_unlock(&ar->conf_mutex);
368 	struct ath10k *ar = file->private_data;
373 	mutex_lock(&ar->conf_mutex);
374 	spectral_count = ar->spectral.config.count;
375 	mutex_unlock(&ar->conf_mutex);
385 	struct ath10k *ar = file->private_data;
396 	mutex_lock(&ar->conf_mutex);
397 	ar->spectral.config.count = val;
398 	mutex_unlock(&ar->conf_mutex);
415 	struct ath10k *ar = file->private_data;
420 	mutex_lock(&ar->conf_mutex);
422 	fft_size = ar->spectral.config.fft_size;
426 	mutex_unlock(&ar->conf_mutex);
436 	struct ath10k *ar = file->private_data;
450 	mutex_lock(&ar->conf_mutex);
451 	ar->spectral.config.fft_size = ilog2(val);
452 	ar->spectral.config.fft_size += WMI_SPECTRAL_BIN_SCALE_DEFAULT;
453 	mutex_unlock(&ar->conf_mutex);
495 int ath10k_spectral_start(struct ath10k *ar)
499 	lockdep_assert_held(&ar->conf_mutex);
501 	list_for_each_entry(arvif, &ar->arvifs, list)
504 	ar->spectral.mode = SPECTRAL_DISABLED;
505 	ar->spectral.config.count = WMI_SPECTRAL_COUNT_DEFAULT;
506 	ar->spectral.config.fft_size = WMI_SPECTRAL_FFT_SIZE_DEFAULT;
516 	return ath10k_spectral_scan_config(arvif->ar, SPECTRAL_DISABLED);
519 int ath10k_spectral_create(struct ath10k *ar)
524 	ar->spectral.rfs_chan_spec_scan = relay_open("spectral_scan",
525 						     ar->debug.debugfs_phy,
530 			    ar->debug.debugfs_phy, ar,
534 			    ar->debug.debugfs_phy, ar,
538 			    ar->debug.debugfs_phy, ar,
544 void ath10k_spectral_destroy(struct ath10k *ar)
546 	if (ar->spectral.rfs_chan_spec_scan) {
547 		relay_close(ar->spectral.rfs_chan_spec_scan);
548 		ar->spectral.rfs_chan_spec_scan = NULL;