4  * SPDX-License-Identifier: Apache-2.0
30 	ctx->status = error;  in can_tx_default_cb()
31 	k_sem_give(&ctx->done);  in can_tx_default_cb()
38 	const struct can_driver_api *api = (const struct can_driver_api *)dev->api;  in z_impl_can_send()
42 		return -EINVAL;  in z_impl_can_send()
45 	if ((frame->flags & CAN_FRAME_IDE) != 0U) {  in z_impl_can_send()
51 	CHECKIF((frame->id & ~(id_mask)) != 0U) {  in z_impl_can_send()
52 		LOG_ERR("invalid frame with %s (%d-bit) CAN ID 0x%0*x",  in z_impl_can_send()
53 			(frame->flags & CAN_FRAME_IDE) != 0 ? "extended" : "standard",  in z_impl_can_send()
54 			(frame->flags & CAN_FRAME_IDE) != 0 ? 29 : 11,  in z_impl_can_send()
55 			(frame->flags & CAN_FRAME_IDE) != 0 ? 8 : 3, frame->id);  in z_impl_can_send()
56 		return -EINVAL;  in z_impl_can_send()
65 		err = api->send(dev, frame, timeout, can_tx_default_cb, &ctx);  in z_impl_can_send()
75 	return api->send(dev, frame, timeout, callback, user_data);  in z_impl_can_send()
81 	const struct can_driver_api *api = (const struct can_driver_api *)dev->api;  in can_add_rx_filter()
85 		return -EINVAL;  in can_add_rx_filter()
88 	if ((filter->flags & CAN_FILTER_IDE) != 0U) {  in can_add_rx_filter()
94 	CHECKIF(((filter->id & ~(id_mask)) != 0U) || ((filter->mask & ~(id_mask)) != 0U)) {  in can_add_rx_filter()
95 		LOG_ERR("invalid filter with %s (%d-bit) CAN ID 0x%0*x, CAN ID mask 0x%0*x",  in can_add_rx_filter()
96 			(filter->flags & CAN_FILTER_IDE) != 0 ? "extended" : "standard",  in can_add_rx_filter()
97 			(filter->flags & CAN_FILTER_IDE) != 0 ? 29 : 11,  in can_add_rx_filter()
98 			(filter->flags & CAN_FILTER_IDE) != 0 ? 8 : 3, filter->id,  in can_add_rx_filter()
99 			(filter->flags & CAN_FILTER_IDE) != 0 ? 8 : 3, filter->mask);  in can_add_rx_filter()
100 		return -EINVAL;  in can_add_rx_filter()
103 	return api->add_rx_filter(dev, callback, user_data, filter);  in can_add_rx_filter()
117 		LOG_ERR("Msgq %p overflowed. Frame ID: 0x%x", msgq, frame->id);  in can_msgq_put()
124 	const struct can_driver_api *api = dev->api;  in z_impl_can_add_rx_filter_msgq()
126 	return api->add_rx_filter(dev, can_msgq_put, msgq, filter);  in z_impl_can_add_rx_filter_msgq()
134  * +---------------------------------------------------+
136  * +--------------+----------+------------+------------+
138  * +--------------+----------+------------+------------+
140  * +--------------+-----------------------+------------+
151  * @param max        Pointer to the maximum supported timing parameter values.
153  * @retval           -ENOTSUP if the requested sample point cannot be met.
156 			     const struct can_timing *min, const struct can_timing *max)  in update_sample_pnt()  argument
158 	uint16_t tseg1_max = max->phase_seg1 + max->prop_seg;  in update_sample_pnt()
159 	uint16_t tseg1_min = min->phase_seg1 + min->prop_seg;  in update_sample_pnt()
164 	tseg2 = total_tq - (total_tq * sample_pnt) / 1000;  in update_sample_pnt()
165 	tseg2 = CLAMP(tseg2, min->phase_seg2, max->phase_seg2);  in update_sample_pnt()
168 	tseg1 = total_tq - CAN_SYNC_SEG - tseg2;  in update_sample_pnt()
172 		tseg2 = total_tq - CAN_SYNC_SEG - tseg1;  in update_sample_pnt()
174 		if (tseg2 > max->phase_seg2) {  in update_sample_pnt()
175 			return -ENOTSUP;  in update_sample_pnt()
180 		tseg2 = total_tq - CAN_SYNC_SEG - tseg1;  in update_sample_pnt()
182 		if (tseg2 < min->phase_seg2) {  in update_sample_pnt()
183 			return -ENOTSUP;  in update_sample_pnt()
187 	res->phase_seg2 = tseg2;  in update_sample_pnt()
190 	res->prop_seg = CLAMP(tseg1 / 2, min->prop_seg, max->prop_seg);  in update_sample_pnt()
191 	res->phase_seg1 = tseg1 - res->prop_seg;  in update_sample_pnt()
193 	if (res->phase_seg1 > max->phase_seg1) {  in update_sample_pnt()
195 		res->phase_seg1 = max->phase_seg1;  in update_sample_pnt()
196 		res->prop_seg = tseg1 - res->phase_seg1;  in update_sample_pnt()
197 	} else if (res->phase_seg1 < min->phase_seg1) {  in update_sample_pnt()
199 		res->phase_seg1 = min->phase_seg1;  in update_sample_pnt()
200 		res->prop_seg = tseg1 - res->phase_seg1;  in update_sample_pnt()
208 		sample_pnt_res - sample_pnt :  in update_sample_pnt()
209 		sample_pnt - sample_pnt_res;  in update_sample_pnt()
242  * @param max        Pointer to the maximum supported timing parameter values.
247  * @retval -EINVAL if the requested bitrate or sample point is out of range.
248  * @retval -ENOTSUP if the requested bitrate is not supported.
249  * @retval -EIO if @a can_get_core_clock() is not available.
252 				    const struct can_timing *min, const struct can_timing *max,  in can_calc_timing_internal()  argument
255 	uint32_t total_tq = CAN_SYNC_SEG + max->prop_seg + max->phase_seg1 + max->phase_seg2;  in can_calc_timing_internal()
263 		return -EINVAL;  in can_calc_timing_internal()
268 		return -EIO;  in can_calc_timing_internal()
275 	for (prescaler = MAX(core_clock / (total_tq * bitrate), min->prescaler);  in can_calc_timing_internal()
276 	     prescaler <= max->prescaler;  in can_calc_timing_internal()
286 		err = update_sample_pnt(total_tq, sample_pnt, &tmp_res, min, max);  in can_calc_timing_internal()
295 			res->prop_seg = tmp_res.prop_seg;  in can_calc_timing_internal()
296 			res->phase_seg1 = tmp_res.phase_seg1;  in can_calc_timing_internal()
297 			res->phase_seg2 = tmp_res.phase_seg2;  in can_calc_timing_internal()
298 			res->prescaler = (uint16_t)prescaler;  in can_calc_timing_internal()
312 	res->sjw = MIN(res->phase_seg1, res->phase_seg2 / 2);  in can_calc_timing_internal()
313 	res->sjw = CLAMP(res->sjw, min->sjw, max->sjw);  in can_calc_timing_internal()
315 	return err_min == INT_MAX ? -ENOTSUP : err_min;  in can_calc_timing_internal()
322 	const struct can_timing *max = can_get_timing_max(dev);  in z_impl_can_calc_timing()  local
325 		return -EINVAL;  in z_impl_can_calc_timing()
328 	return can_calc_timing_internal(dev, res, min, max, bitrate, sample_pnt);  in z_impl_can_calc_timing()
336 	const struct can_timing *max = can_get_timing_data_max(dev);  in z_impl_can_calc_timing_data()  local
339 		return -EINVAL;  in z_impl_can_calc_timing_data()
342 	return can_calc_timing_internal(dev, res, min, max, bitrate, sample_pnt);  in z_impl_can_calc_timing_data()
348 				 const struct can_timing *max)  in check_timing_in_range()  argument
350 	if (!IN_RANGE(timing->sjw, min->sjw, max->sjw) ||  in check_timing_in_range()
351 	    !IN_RANGE(timing->prop_seg, min->prop_seg, max->prop_seg) ||  in check_timing_in_range()
352 	    !IN_RANGE(timing->phase_seg1, min->phase_seg1, max->phase_seg1) ||  in check_timing_in_range()
353 	    !IN_RANGE(timing->phase_seg2, min->phase_seg2, max->phase_seg2) ||  in check_timing_in_range()
354 	    !IN_RANGE(timing->prescaler, min->prescaler, max->prescaler)) {  in check_timing_in_range()
355 		return -ENOTSUP;  in check_timing_in_range()
358 	if ((timing->sjw > timing->phase_seg1) || (timing->sjw > timing->phase_seg2)) {  in check_timing_in_range()
359 		return -ENOTSUP;  in check_timing_in_range()
368 	const struct can_driver_api *api = (const struct can_driver_api *)dev->api;  in z_impl_can_set_timing()
370 	const struct can_timing *max = can_get_timing_max(dev);  in z_impl_can_set_timing()  local
373 	err = check_timing_in_range(timing, min, max);  in z_impl_can_set_timing()
378 	return api->set_timing(dev, timing);  in z_impl_can_set_timing()
385 	uint32_t max = can_get_bitrate_max(dev);  in z_impl_can_set_bitrate()  local
389 	if ((bitrate < min) || (bitrate > max)) {  in z_impl_can_set_bitrate()
390 		return -ENOTSUP;  in z_impl_can_set_bitrate()
400 		return -ERANGE;  in z_impl_can_set_bitrate()
410 	const struct can_driver_api *api = (const struct can_driver_api *)dev->api;  in z_impl_can_set_timing_data()
412 	const struct can_timing *max = can_get_timing_data_max(dev);  in z_impl_can_set_timing_data()  local
415 	if (api->set_timing_data == NULL) {  in z_impl_can_set_timing_data()
416 		return -ENOSYS;  in z_impl_can_set_timing_data()
419 	err = check_timing_in_range(timing_data, min, max);  in z_impl_can_set_timing_data()
424 	return api->set_timing_data(dev, timing_data);  in z_impl_can_set_timing_data()
431 	uint32_t max = can_get_bitrate_max(dev);  in z_impl_can_set_bitrate_data()  local
435 	if ((bitrate_data < min) || (bitrate_data > max)) {  in z_impl_can_set_bitrate_data()
436 		return -ENOTSUP;  in z_impl_can_set_bitrate_data()
446 		return -ERANGE;  in z_impl_can_set_bitrate_data()