1  /*
2   * Copyright (c) 2011,2017-2021 The Linux Foundation. All rights reserved.
3   * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4   *
5   *
6   * Permission to use, copy, modify, and/or distribute this software for
7   * any purpose with or without fee is hereby granted, provided that the
8   * above copyright notice and this permission notice appear in all
9   * copies.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
12   * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
13   * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
14   * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
15   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
16   * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
17   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
18   * PERFORMANCE OF THIS SOFTWARE.
19   */
20  
21  #include <osdep.h>
22  #include <wlan_tgt_def_config.h>
23  #include <hif.h>
24  #include <hif_hw_version.h>
25  #include <wmi_unified_api.h>
26  #include <target_if_spectral.h>
27  #include <wlan_lmac_if_def.h>
28  #include <wlan_osif_priv.h>
29  #include <reg_services_public_struct.h>
30  
31  extern int spectral_debug_level;
32  
33  #ifdef OPTIMIZED_SAMP_MESSAGE
34  QDF_STATUS
target_if_spectral_fill_samp_msg(struct target_if_spectral * spectral,struct target_if_samp_msg_params * params)35  target_if_spectral_fill_samp_msg(struct target_if_spectral *spectral,
36  				 struct target_if_samp_msg_params *params)
37  {
38  	struct spectral_samp_msg *spec_samp_msg;
39  	struct per_session_det_map *det_map;
40  	enum spectral_msg_type msg_type;
41  	QDF_STATUS ret;
42  	uint16_t dest_det_idx;
43  	enum spectral_scan_mode spectral_mode;
44  	uint16_t pwr_format;
45  	struct spectral_data_stats *spectral_dp_stats;
46  
47  	if (!spectral) {
48  		spectral_err_rl("Spectral LMAC object is null");
49  		return QDF_STATUS_E_NULL_VALUE;
50  	}
51  
52  	spectral_dp_stats = &spectral->data_stats;
53  	spectral_dp_stats->fill_samp_msg_calls++;
54  
55  	if (!params) {
56  		spectral_err_rl("SAMP msg params structure is null");
57  		return QDF_STATUS_E_NULL_VALUE;
58  	}
59  
60  	if (params->hw_detector_id >= SPECTRAL_DETECTOR_ID_MAX) {
61  		spectral_err_rl("Invalid detector ID");
62  		return QDF_STATUS_E_FAILURE;
63  	}
64  
65  	spectral_mode =
66  		spectral->rparams.detid_mode_table[params->hw_detector_id];
67  	if (spectral_mode >= SPECTRAL_SCAN_MODE_MAX) {
68  		spectral_err_rl("No valid Spectral mode for detector id %u",
69  				params->hw_detector_id);
70  		return QDF_STATUS_E_FAILURE;
71  	}
72  
73  	ret = target_if_get_spectral_msg_type(spectral_mode,
74  					      &msg_type);
75  	if (QDF_IS_STATUS_ERROR(ret)) {
76  		spectral_err_rl("Invalid spectral msg type");
77  		return QDF_STATUS_E_FAILURE;
78  	}
79  
80  	pwr_format = spectral->params[spectral_mode].ss_pwr_format;
81  
82  	qdf_spin_lock_bh(&spectral->session_det_map_lock);
83  
84  	if (!spectral->det_map[params->hw_detector_id].
85  				det_map_valid[spectral_mode]) {
86  		qdf_spin_unlock_bh(&spectral->session_det_map_lock);
87  		spectral_info("Detector Map not valid for det id = %d and spectral mode = %d",
88  			      params->hw_detector_id, spectral_mode);
89  		return QDF_STATUS_E_FAILURE;
90  	}
91  
92  	det_map = &spectral->det_map[params->hw_detector_id];
93  
94  	spec_samp_msg = spectral->nl_cb.get_sbuff(spectral->pdev_obj,
95  						  msg_type,
96  						  det_map->buf_type);
97  	if (!spec_samp_msg) {
98  		qdf_spin_unlock_bh(&spectral->session_det_map_lock);
99  		spectral_err_rl("Spectral SAMP message is NULL");
100  		return QDF_STATUS_E_FAILURE;
101  	}
102  
103  	for (dest_det_idx = 0; dest_det_idx < det_map->num_dest_det_info;
104  	     dest_det_idx++) {
105  		struct per_session_dest_det_info *map_det_info;
106  		struct samp_freq_span_info *span_info;
107  		struct samp_detector_info *detector_info;
108  		uint8_t dest_detector_id;
109  		uint8_t span_id;
110  		struct samp_edge_extra_bin_info *lb_edge_bins;
111  		struct samp_edge_extra_bin_info *rb_edge_bins;
112  		uint8_t *bin_pwr_data;
113  		size_t pwr_count;
114  		uint16_t num_edge_bins;
115  		uint16_t start_bin_index;
116  		uint32_t bytes_copied;
117  
118  
119  		map_det_info = &det_map->dest_det_info[dest_det_idx];
120  		span_id = map_det_info->freq_span_id;
121  		span_info = &spec_samp_msg->freq_span_info[span_id];
122  		span_info->num_detectors++;
123  
124  		dest_detector_id = map_det_info->det_id;
125  		detector_info = &span_info->detector_info[dest_detector_id];
126  		lb_edge_bins = &detector_info->left_edge_bins;
127  		rb_edge_bins = &detector_info->right_edge_bins;
128  
129  		detector_info->start_frequency = map_det_info->start_freq;
130  		detector_info->end_frequency = map_det_info->end_freq;
131  		detector_info->start_bin_idx = map_det_info->dest_start_bin_idx;
132  		detector_info->end_bin_idx = map_det_info->dest_end_bin_idx;
133  		lb_edge_bins->start_bin_idx =
134  					map_det_info->lb_extrabins_start_idx;
135  		lb_edge_bins->num_bins = map_det_info->lb_extrabins_num;
136  		rb_edge_bins->start_bin_idx =
137  					map_det_info->rb_extrabins_start_idx;
138  		rb_edge_bins->num_bins = map_det_info->rb_extrabins_num;
139  		start_bin_index = detector_info->start_bin_idx;
140  
141  		detector_info->rssi = params->rssi;
142  
143  		detector_info->last_raw_timestamp = params->last_raw_timestamp;
144  		detector_info->reset_delay = params->reset_delay;
145  		detector_info->raw_timestamp = params->raw_timestamp;
146  		detector_info->timestamp = params->timestamp;
147  		detector_info->timestamp_war_offset = spectral->timestamp_war.
148  				timestamp_war_offset[spectral_mode];
149  
150  		detector_info->max_magnitude = params->max_mag;
151  		detector_info->max_index = params->max_index;
152  
153  		detector_info->noise_floor = params->noise_floor;
154  		detector_info->agc_total_gain = params->agc_total_gain;
155  		detector_info->gainchange = params->gainchange;
156  		detector_info->is_sec80 = map_det_info->is_sec80;
157  		detector_info->blanking_status = params->blanking_status;
158  		/* In 165MHz, Pri80 indication to be set for Span ID 0 only */
159  		if (span_id == SPECTRAL_FREQ_SPAN_ID_0)
160  			detector_info->pri80ind = params->pri80ind;
161  
162  		bin_pwr_data = &params->bin_pwr_data
163  					[map_det_info->src_start_bin_idx];
164  		pwr_count = detector_info->end_bin_idx -
165  			    detector_info->start_bin_idx + 1;
166  		num_edge_bins = lb_edge_bins->num_bins +
167  				rb_edge_bins->num_bins;
168  
169  		/* Copy left edge bins */
170  		if (lb_edge_bins->num_bins > 0) {
171  			ret = target_if_spectral_copy_fft_bins(
172  					spectral, bin_pwr_data,
173  					&spec_samp_msg->bin_pwr[
174  					lb_edge_bins->start_bin_idx],
175  					lb_edge_bins->num_bins,
176  					&bytes_copied, pwr_format);
177  
178  			if (QDF_IS_STATUS_ERROR(ret)) {
179  				qdf_spin_unlock_bh(
180  					&spectral->session_det_map_lock);
181  				spectral_err_rl("Unable to copy left edge FFT bins");
182  				return QDF_STATUS_E_FAILURE;
183  			}
184  
185  			/* Advance the fft bin pointer in the report */
186  			bin_pwr_data += bytes_copied;
187  		}
188  
189  		/* Copy the in-band and out-band bins */
190  		ret = target_if_spectral_copy_fft_bins(
191  				spectral, bin_pwr_data,
192  				&spec_samp_msg->bin_pwr[start_bin_index],
193  				pwr_count,
194  				&bytes_copied, pwr_format);
195  
196  		if (QDF_IS_STATUS_ERROR(ret)) {
197  			qdf_spin_unlock_bh(
198  				&spectral->session_det_map_lock);
199  			spectral_err_rl("Unable to copy in-band/out-band FFT bins");
200  			return QDF_STATUS_E_FAILURE;
201  		}
202  		/* Advance the fft bin pointer in the report */
203  		bin_pwr_data += bytes_copied;
204  
205  		/* Copy right edge bins */
206  		if (rb_edge_bins->num_bins > 0) {
207  			ret = target_if_spectral_copy_fft_bins(
208  					spectral, bin_pwr_data,
209  					&spec_samp_msg->bin_pwr[
210  					rb_edge_bins->start_bin_idx],
211  					rb_edge_bins->num_bins,
212  					&bytes_copied, pwr_format);
213  
214  			if (QDF_IS_STATUS_ERROR(ret)) {
215  				qdf_spin_unlock_bh(
216  					&spectral->session_det_map_lock);
217  				spectral_err_rl("Unable to copy right edge FFT bins");
218  				return QDF_STATUS_E_FAILURE;
219  			}
220  
221  			/* Advance the fft bin pointer in the report */
222  			bin_pwr_data += bytes_copied;
223  		}
224  
225  		spec_samp_msg->bin_pwr_count += (pwr_count + num_edge_bins);
226  	}
227  
228  	if (det_map->send_to_upper_layers) {
229  		/* Fill per-report information */
230  		struct per_session_report_info *rpt_info;
231  		struct target_if_spectral_ops *p_sops;
232  
233  		p_sops = GET_TARGET_IF_SPECTRAL_OPS(spectral);
234  
235  		qdf_spin_lock_bh(&spectral->session_report_info_lock);
236  
237  		rpt_info = &spectral->report_info[spectral_mode];
238  
239  		if (!rpt_info->valid) {
240  			qdf_spin_unlock_bh(&spectral->session_report_info_lock);
241  			qdf_spin_unlock_bh(&spectral->session_det_map_lock);
242  			spectral_info("per-session report info is not valid");
243  			return QDF_STATUS_E_FAILURE;
244  		}
245  
246  		spec_samp_msg->signature = SPECTRAL_SIGNATURE;
247  		p_sops->get_mac_address(spectral, spec_samp_msg->macaddr);
248  		spec_samp_msg->spectral_mode = spectral_mode;
249  		spec_samp_msg->target_reset_count =
250  				spectral->timestamp_war.target_reset_count;
251  		spec_samp_msg->operating_bw = spectral->nl_cb.
252  				convert_to_nl_ch_width(rpt_info->operating_bw);
253  		if (spec_samp_msg->operating_bw < 0) {
254  			spectral_err_rl("Invalid operating channel width %d",
255  					rpt_info->operating_bw);
256  			return QDF_STATUS_E_FAILURE;
257  		}
258  		spec_samp_msg->pri20_freq = rpt_info->pri20_freq;
259  		spec_samp_msg->cfreq1 = rpt_info->cfreq1;
260  		spec_samp_msg->cfreq2 = rpt_info->cfreq2;
261  		spec_samp_msg->sscan_cfreq1 = rpt_info->sscan_cfreq1;
262  		spec_samp_msg->sscan_cfreq2 = rpt_info->sscan_cfreq2;
263  		spec_samp_msg->sscan_bw = spectral->nl_cb.
264  				convert_to_nl_ch_width(rpt_info->sscan_bw);
265  		if (spec_samp_msg->sscan_bw < 0) {
266  			spectral_err_rl("Invalid sscan channel width %d",
267  					rpt_info->sscan_bw);
268  			return QDF_STATUS_E_FAILURE;
269  		}
270  		spec_samp_msg->fft_width = FFT_BIN_SIZE_1BYTE;
271  		spec_samp_msg->num_freq_spans = rpt_info->num_spans;
272  
273  		qdf_spin_unlock_bh(&spectral->session_report_info_lock);
274  
275  		spec_samp_msg->spectral_upper_rssi = params->upper_rssi;
276  		spec_samp_msg->spectral_lower_rssi = params->lower_rssi;
277  		qdf_mem_copy(spec_samp_msg->spectral_chain_ctl_rssi,
278  			     params->chain_ctl_rssi,
279  			     sizeof(params->chain_ctl_rssi));
280  		qdf_mem_copy(spec_samp_msg->spectral_chain_ext_rssi,
281  			     params->chain_ext_rssi,
282  			     sizeof(params->chain_ext_rssi));
283  
284  		if (spectral_debug_level & DEBUG_SPECTRAL4)
285  			target_if_dbg_print_samp_msg(spec_samp_msg);
286  
287  		spectral_dp_stats->msgs_ready_for_user++;
288  		if (spectral->send_phy_data(spectral->pdev_obj,
289  					    msg_type) == 0) {
290  			spectral->spectral_sent_msg++;
291  			spectral_dp_stats->msgs_queued_to_user++;
292  		}
293  		if (spectral->spectral_gen == SPECTRAL_GEN3)
294  			reset_160mhz_delivery_state_machine(spectral,
295  							    spectral_mode);
296  	}
297  	qdf_spin_unlock_bh(&spectral->session_det_map_lock);
298  
299  	return QDF_STATUS_SUCCESS;
300  }
301  #endif /* OPTIMIZED_SAMP_MESSAGE */
302  
303  #ifndef OPTIMIZED_SAMP_MESSAGE
304  void
target_if_spectral_create_samp_msg(struct target_if_spectral * spectral,struct target_if_samp_msg_params * params)305  target_if_spectral_create_samp_msg(struct target_if_spectral *spectral,
306  				   struct target_if_samp_msg_params *params)
307  {
308  	/*
309  	 * XXX : Non-Rentrant. Will be an issue with dual concurrent
310  	 *       operation on multi-processor system
311  	 */
312  
313  	struct spectral_samp_msg *spec_samp_msg = NULL;
314  
315  	uint8_t *bin_pwr_data = NULL;
316  	struct spectral_classifier_params *cp = NULL;
317  	struct spectral_classifier_params *pcp = NULL;
318  	struct target_if_spectral_ops *p_sops = NULL;
319  	uint32_t *binptr_32 = NULL;
320  	uint16_t *binptr_16 = NULL;
321  	uint16_t pwr_16;
322  	int idx = 0;
323  	struct spectral_samp_data *samp_data;
324  	static int samp_msg_index;
325  	size_t pwr_count = 0;
326  	size_t pwr_count_sec80 = 0;
327  	size_t pwr_count_5mhz = 0;
328  	enum spectral_msg_type msg_type;
329  	QDF_STATUS ret;
330  	struct spectral_fft_bin_len_adj_swar *swar = &spectral->len_adj_swar;
331  
332  	ret = target_if_get_spectral_msg_type(params->smode, &msg_type);
333  	if (QDF_IS_STATUS_ERROR(ret))
334  		return;
335  
336  	if (is_primaryseg_rx_inprog(spectral, params->smode)) {
337  		spec_samp_msg  = (struct spectral_samp_msg *)
338  		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
339  						msg_type,
340  						SPECTRAL_MSG_BUF_NEW);
341  
342  		if (!spec_samp_msg)
343  			return;
344  
345  		samp_data = &spec_samp_msg->samp_data;
346  		p_sops = GET_TARGET_IF_SPECTRAL_OPS(spectral);
347  		bin_pwr_data = params->bin_pwr_data;
348  
349  		spec_samp_msg->signature = SPECTRAL_SIGNATURE;
350  		spec_samp_msg->freq = params->freq;
351  		spec_samp_msg->agile_freq1 = params->agile_freq1;
352  		spec_samp_msg->agile_freq2 = params->agile_freq2;
353  		spec_samp_msg->freq_loading = params->freq_loading;
354  		spec_samp_msg->vhtop_ch_freq_seg1 = params->vhtop_ch_freq_seg1;
355  		spec_samp_msg->vhtop_ch_freq_seg2 = params->vhtop_ch_freq_seg2;
356  		samp_data->spectral_mode = params->smode;
357  		samp_data->spectral_data_len = params->datalen;
358  		samp_data->spectral_rssi = params->rssi;
359  		samp_data->ch_width =
360  				spectral->ch_width[SPECTRAL_SCAN_MODE_NORMAL];
361  		samp_data->agile_ch_width =
362  				spectral->ch_width[SPECTRAL_SCAN_MODE_AGILE];
363  		samp_data->spectral_agc_total_gain = params->agc_total_gain;
364  		samp_data->spectral_gainchange = params->gainchange;
365  		samp_data->spectral_pri80ind = params->pri80ind;
366  		samp_data->last_raw_timestamp = params->last_raw_timestamp;
367  		samp_data->timestamp_war_offset = params->timestamp_war_offset;
368  		samp_data->raw_timestamp = params->raw_timestamp;
369  		samp_data->reset_delay = params->reset_delay;
370  		samp_data->target_reset_count = params->target_reset_count;
371  
372  		samp_data->spectral_combined_rssi =
373  		    (uint8_t)params->rssi;
374  		samp_data->spectral_upper_rssi = params->upper_rssi;
375  		samp_data->spectral_lower_rssi = params->lower_rssi;
376  
377  		qdf_mem_copy(samp_data->spectral_chain_ctl_rssi,
378  			     params->chain_ctl_rssi,
379  			     sizeof(params->chain_ctl_rssi));
380  		qdf_mem_copy(samp_data->spectral_chain_ext_rssi,
381  			     params->chain_ext_rssi,
382  			     sizeof(params->chain_ext_rssi));
383  
384  		samp_data->spectral_bwinfo = params->bwinfo;
385  		samp_data->spectral_tstamp = params->tstamp;
386  		samp_data->spectral_max_index = params->max_index;
387  
388  		/* Classifier in user space needs access to these */
389  		samp_data->spectral_lower_max_index =
390  		    params->max_lower_index;
391  		samp_data->spectral_upper_max_index =
392  		    params->max_upper_index;
393  		samp_data->spectral_nb_lower = params->nb_lower;
394  		samp_data->spectral_nb_upper = params->nb_upper;
395  		samp_data->spectral_last_tstamp = params->last_tstamp;
396  		samp_data->spectral_max_mag = params->max_mag;
397  
398  		/*
399  		 * Currently, we compute pwr_count considering the size of the
400  		 * samp_data->bin_pwr array rather than the number of elements
401  		 * in this array. The reasons are that
402  		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count will be
403  		 * used maps directly to OS_MEMCPY() on little endian platforms,
404  		 * and that samp_data->bin_pwr is an array of u_int8_t elements
405  		 * due to which the number of elements in the array == the size
406  		 * of the array. In case FFT bin size is increased from 8 bits
407  		 * in the future, this code would have to be changed along with
408  		 * rest of framework on which it depends.
409  		 */
410  		pwr_count = qdf_min((size_t)params->pwr_count,
411  				    sizeof(samp_data->bin_pwr));
412  
413  		samp_data->bin_pwr_count = pwr_count;
414  		samp_data->lb_edge_extrabins =
415  			spectral->lb_edge_extrabins;
416  		samp_data->rb_edge_extrabins =
417  			spectral->rb_edge_extrabins;
418  		samp_data->spectral_combined_rssi = params->rssi;
419  		samp_data->spectral_max_scale = params->max_exp;
420  
421  		samp_data->noise_floor = params->noise_floor;
422  
423  		/* Classifier in user space needs access to these */
424  		cp = &samp_data->classifier_params;
425  		pcp = &params->classifier_params;
426  
427  		qdf_mem_copy(cp, pcp,
428  			     sizeof(struct spectral_classifier_params));
429  
430  		/*
431  		 * To check whether FFT bin values exceed 8 bits, we add a
432  		 * check before copying values to samp_data->bin_pwr.
433  		 * If it crosses 8 bits, we cap the values to maximum value
434  		 * supported by 8 bits ie. 255. This needs to be done as the
435  		 * destination array in SAMP message is 8 bits. This is a
436  		 * temporary solution till an array of 16 bits is used for
437  		 * SAMP message.
438  		 */
439  		if (swar->fftbin_size_war ==
440  				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
441  			binptr_32 = (uint32_t *)bin_pwr_data;
442  			for (idx = 0; idx < pwr_count; idx++) {
443  				/* Read only the first 2 bytes of the DWORD */
444  				pwr_16 = *((uint16_t *)binptr_32++);
445  				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
446  					pwr_16 = MAX_FFTBIN_VALUE;
447  				samp_data->bin_pwr[idx] = pwr_16;
448  			}
449  		} else if (swar->fftbin_size_war ==
450  				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
451  			binptr_16 = (uint16_t *)bin_pwr_data;
452  			for (idx = 0; idx < pwr_count; idx++) {
453  				pwr_16 = *(binptr_16++);
454  				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
455  					pwr_16 = MAX_FFTBIN_VALUE;
456  				samp_data->bin_pwr[idx] = pwr_16;
457  			}
458  		} else {
459  			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
460  					&samp_data->bin_pwr[0], bin_pwr_data,
461  					pwr_count);
462  		}
463  
464  		p_sops->get_mac_address(spectral, spec_samp_msg->macaddr);
465  	}
466  
467  	if (is_secondaryseg_rx_inprog(spectral, params->smode)) {
468  		spec_samp_msg  = (struct spectral_samp_msg *)
469  		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
470  						msg_type,
471  						SPECTRAL_MSG_BUF_SAVED);
472  
473  		if (!spec_samp_msg) {
474  			spectral_err("Spectral SAMP message is NULL");
475  			return;
476  		}
477  
478  		samp_data = &spec_samp_msg->samp_data;
479  		samp_data->spectral_rssi_sec80 =
480  		    params->rssi_sec80;
481  		samp_data->noise_floor_sec80 =
482  		    params->noise_floor_sec80;
483  		spec_samp_msg->samp_data.spectral_agc_total_gain_sec80 =
484  			params->agc_total_gain_sec80;
485  		spec_samp_msg->samp_data.spectral_gainchange_sec80 =
486  			params->gainchange_sec80;
487  		spec_samp_msg->samp_data.spectral_pri80ind_sec80 =
488  			params->pri80ind_sec80;
489  
490  		samp_data->spectral_data_len_sec80 =
491  		    params->datalen_sec80;
492  		samp_data->spectral_max_index_sec80 =
493  		    params->max_index_sec80;
494  		samp_data->spectral_max_mag_sec80 =
495  		    params->max_mag_sec80;
496  
497  		samp_data->raw_timestamp_sec80 = params->raw_timestamp_sec80;
498  
499  		/*
500  		 * Currently, we compute pwr_count_sec80 considering the size of
501  		 * the samp_data->bin_pwr_sec80 array rather than the number of
502  		 * elements in this array. The reasons are that
503  		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count_sec80 will
504  		 * be used maps directly to OS_MEMCPY() on little endian
505  		 * platforms, and that samp_data->bin_pwr_sec80 is an array of
506  		 * u_int8_t elements due to which the number of elements in the
507  		 * array == the size of the array. In case FFT bin size is
508  		 * increased from 8 bits in the future, this code would have to
509  		 * be changed along with rest of framework on which it depends.
510  		 */
511  		pwr_count_sec80 = qdf_min((size_t)params->pwr_count_sec80,
512  					  sizeof(samp_data->bin_pwr_sec80));
513  		pwr_count_5mhz = qdf_min((size_t)params->pwr_count_5mhz,
514  					 sizeof(samp_data->bin_pwr_5mhz));
515  
516  		samp_data->bin_pwr_count_sec80 = pwr_count_sec80;
517  		samp_data->bin_pwr_count_5mhz = pwr_count_5mhz;
518  
519  		bin_pwr_data = params->bin_pwr_data_sec80;
520  
521  		/*
522  		 * To check whether FFT bin values exceed 8 bits, we add a
523  		 * check before copying values to samp_data->bin_pwr_sec80.
524  		 * If it crosses 8 bits, we cap the values to maximum value
525  		 * supported by 8 bits ie. 255. This needs to be done as the
526  		 * destination array in SAMP message is 8 bits. This is a
527  		 * temporary solution till an array of 16 bits is used for
528  		 * SAMP message.
529  		 */
530  		if (swar->fftbin_size_war ==
531  				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
532  			binptr_32 = (uint32_t *)bin_pwr_data;
533  			for (idx = 0; idx < pwr_count_sec80; idx++) {
534  				/* Read only the first 2 bytes of the DWORD */
535  				pwr_16 = *((uint16_t *)binptr_32++);
536  				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
537  					pwr_16 = MAX_FFTBIN_VALUE;
538  				samp_data->bin_pwr_sec80[idx] = pwr_16;
539  			}
540  		} else if (swar->fftbin_size_war ==
541  				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
542  			binptr_16 = (uint16_t *)bin_pwr_data;
543  			for (idx = 0; idx < pwr_count_sec80; idx++) {
544  				pwr_16 = *(binptr_16++);
545  				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
546  					pwr_16 = MAX_FFTBIN_VALUE;
547  				samp_data->bin_pwr_sec80[idx] = pwr_16;
548  			}
549  
550  			binptr_16 = (uint16_t *)params->bin_pwr_data_5mhz;
551  			for (idx = 0; idx < pwr_count_5mhz; idx++) {
552  				pwr_16 = *(binptr_16++);
553  				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
554  					pwr_16 = MAX_FFTBIN_VALUE;
555  				samp_data->bin_pwr_5mhz[idx] = pwr_16;
556  			}
557  		} else {
558  			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
559  					&samp_data->bin_pwr_sec80[0],
560  					params->bin_pwr_data_sec80,
561  					pwr_count_sec80);
562  		}
563  	}
564  
565  	if (!is_ch_width_160_or_80p80(spectral->ch_width[params->smode]) ||
566  	    is_secondaryseg_rx_inprog(spectral, params->smode)) {
567  		if (spectral->send_phy_data(spectral->pdev_obj,
568  					    msg_type) == 0)
569  			spectral->spectral_sent_msg++;
570  		samp_msg_index++;
571  	}
572  
573  	/* Take care of state transitions for 160MHz/ 80p80 */
574  	if (spectral->spectral_gen == SPECTRAL_GEN3 &&
575  	    is_ch_width_160_or_80p80(spectral->ch_width[params->smode]) &&
576  	    spectral->rparams.fragmentation_160[params->smode])
577  		target_if_160mhz_delivery_state_change(
578  				spectral, params->smode,
579  				SPECTRAL_DETECTOR_ID_INVALID);
580  }
581  #endif
582