1 // SPDX-License-Identifier: GPL-2.0-only
205 				   hda_nid_t cvt_nid, int chs)  in hdmi_set_channel_count()  argument
207 	if (chs != hdmi_get_channel_count(codec, cvt_nid))  in hdmi_set_channel_count()
209 				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);  in hdmi_set_channel_count()
226 		p->channels = 0;  in init_channel_allocations()
227 		p->spk_mask = 0;  in init_channel_allocations()
228 		for (j = 0; j < ARRAY_SIZE(p->speakers); j++)  in init_channel_allocations()
229 			if (p->speakers[j]) {  in init_channel_allocations()
230 				p->channels++;  in init_channel_allocations()
231 				p->spk_mask |= p->speakers[j];  in init_channel_allocations()
253 			j += scnprintf(buf + j, buflen - j,  " %s",  in snd_hdac_print_channel_allocation()
263  *	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
264  *	      spk_mask => (channel_allocations[])         => ai->CA
317 	dev_dbg(&codec->dev, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",  in hdmi_channel_allocation_spk_alloc_blk()
331 		channel = chmap->ops.pin_get_slot_channel(  in hdmi_debug_channel_mapping()
332 				chmap->hdac, pin_nid, i);  in hdmi_debug_channel_mapping()
333 		dev_dbg(&chmap->hdac->dev, "HDMI: ASP channel %d => slot %d\n",  in hdmi_debug_channel_mapping()
356 		for (i = 0; i < ch_alloc->channels; i++) {  in hdmi_std_setup_channel_mapping()
358 			       !ch_alloc->speakers[7 - hdmi_slot])  in hdmi_std_setup_channel_mapping()
365 			if (!ch_alloc->speakers[7 - hdmi_slot])  in hdmi_std_setup_channel_mapping()
370 		for (i = 0; i < ch_alloc->channels; i++)  in hdmi_std_setup_channel_mapping()
381 		err = chmap->ops.pin_set_slot_channel(chmap->hdac,  in hdmi_std_setup_channel_mapping()
384 			dev_dbg(&chmap->hdac->dev, "HDMI: channel mapping failed\n");  in hdmi_std_setup_channel_mapping()
421 	for (; t->map; t++) {  in snd_hdac_chmap_to_spk_mask()
422 		if (t->map == c)  in snd_hdac_chmap_to_spk_mask()
423 			return t->spk_mask;  in snd_hdac_chmap_to_spk_mask()
439 		return -1;  in to_cea_slot()
443 			if (channel_allocations[ordered_ca].speakers[7 - i] == mask)  in to_cea_slot()
448 	return -1;  in to_cea_slot()
456 	for (; t->map; t++) {  in snd_hdac_spk_to_chmap()
457 		if (t->spk_mask == spk)  in snd_hdac_spk_to_chmap()
458 			return t->map;  in snd_hdac_spk_to_chmap()
475 	mask = channel_allocations[ordered_ca].speakers[7 - slot];  in from_cea_slot()
481 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)  in hdmi_manual_channel_allocation()  argument
485 	for (i = 0; i < chs; i++) {  in hdmi_manual_channel_allocation()
495 		if ((chs == channel_allocations[i].channels ||  in hdmi_manual_channel_allocation()
501 	return -1;  in hdmi_manual_channel_allocation()
507 					     int chs, unsigned char *map,  in hdmi_manual_setup_channel_mapping()  argument
514 	for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {  in hdmi_manual_setup_channel_mapping()
527 		err = chmap->ops.pin_set_slot_channel(chmap->hdac,  in hdmi_manual_setup_channel_mapping()
530 			return -EINVAL;  in hdmi_manual_setup_channel_mapping()
606  * ALSA API channel-map control callbacks
612 	struct hdac_chmap *chmap = info->private_data;  in hdmi_chmap_ctl_info()
614 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in hdmi_chmap_ctl_info()
615 	uinfo->count = chmap->channels_max;  in hdmi_chmap_ctl_info()
616 	uinfo->value.integer.min = 0;  in hdmi_chmap_ctl_info()
617 	uinfo->value.integer.max = SNDRV_CHMAP_LAST;  in hdmi_chmap_ctl_info()
625 	if (cap->channels != channels)  in hdmi_chmap_cea_alloc_validate_get_type()
626 		return -1;  in hdmi_chmap_cea_alloc_validate_get_type()
639 	for (c = 7; c >= 0; c--) {  in hdmi_cea_alloc_to_tlv_chmap()
640 		int spk = cap->speakers[c];  in hdmi_cea_alloc_to_tlv_chmap()
668 	struct hdac_chmap *chmap = info->private_data;  in hdmi_chmap_ctl_tlv()
669 	int pcm_idx = kcontrol->private_value;  in hdmi_chmap_ctl_tlv()
671 	int chs, count = 0;  in hdmi_chmap_ctl_tlv()  local
677 		return -ENOMEM;  in hdmi_chmap_ctl_tlv()
679 		return -EFAULT;  in hdmi_chmap_ctl_tlv()
680 	size -= 8;  in hdmi_chmap_ctl_tlv()
683 	spk_alloc = chmap->ops.get_spk_alloc(chmap->hdac, pcm_idx);  in hdmi_chmap_ctl_tlv()
688 	for (chs = 2; chs <= max_chs; chs++) {  in hdmi_chmap_ctl_tlv()
694 			int chs_bytes = chs * 4;  in hdmi_chmap_ctl_tlv()
697 			if (cap->channels != chs)  in hdmi_chmap_ctl_tlv()
700 			if (!(cap->spk_mask == (spk_mask & cap->spk_mask)))  in hdmi_chmap_ctl_tlv()
703 			type = chmap->ops.chmap_cea_alloc_validate_get_type(  in hdmi_chmap_ctl_tlv()
704 							chmap, cap, chs);  in hdmi_chmap_ctl_tlv()
706 				return -ENODEV;  in hdmi_chmap_ctl_tlv()
708 				return -ENOMEM;  in hdmi_chmap_ctl_tlv()
712 				return -EFAULT;  in hdmi_chmap_ctl_tlv()
715 			size -= 8;  in hdmi_chmap_ctl_tlv()
719 				return -ENOMEM;  in hdmi_chmap_ctl_tlv()
721 			size -= chs_bytes;  in hdmi_chmap_ctl_tlv()
723 			chmap->ops.cea_alloc_to_tlv_chmap(chmap, cap,  in hdmi_chmap_ctl_tlv()
724 						tlv_chmap, chs);  in hdmi_chmap_ctl_tlv()
727 				return -EFAULT;  in hdmi_chmap_ctl_tlv()
728 			dst += chs;  in hdmi_chmap_ctl_tlv()
733 		return -EFAULT;  in hdmi_chmap_ctl_tlv()
742 	struct hdac_chmap *chmap = info->private_data;  in hdmi_chmap_ctl_get()
743 	int pcm_idx = kcontrol->private_value;  in hdmi_chmap_ctl_get()
748 	chmap->ops.get_chmap(chmap->hdac, pcm_idx, pcm_chmap);  in hdmi_chmap_ctl_get()
751 		ucontrol->value.integer.value[i] = pcm_chmap[i];  in hdmi_chmap_ctl_get()
762 	for (i = 0; i < hchmap->channels_max; i++) {  in chmap_value_check()
763 		if (ucontrol->value.integer.value[i] < 0 ||  in chmap_value_check()
764 		    ucontrol->value.integer.value[i] > SNDRV_CHMAP_LAST)  in chmap_value_check()
765 			return -EINVAL;  in chmap_value_check()
774 	struct hdac_chmap *hchmap = info->private_data;  in hdmi_chmap_ctl_put()
775 	int pcm_idx = kcontrol->private_value;  in hdmi_chmap_ctl_put()
788 	if (!hchmap->ops.is_pcm_attached(hchmap->hdac, pcm_idx))  in hdmi_chmap_ctl_put()
791 	ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);  in hdmi_chmap_ctl_put()
793 	if (!substream || !substream->runtime)  in hdmi_chmap_ctl_put()
795 	switch (substream->runtime->state) {  in hdmi_chmap_ctl_put()
803 		return -EBUSY;  in hdmi_chmap_ctl_put()
807 		chmap[i] = ucontrol->value.integer.value[i];  in hdmi_chmap_ctl_put()
809 	hchmap->ops.get_chmap(hchmap->hdac, pcm_idx, per_pin_chmap);  in hdmi_chmap_ctl_put()
814 		return -EINVAL;  in hdmi_chmap_ctl_put()
815 	if (hchmap->ops.chmap_validate) {  in hdmi_chmap_ctl_put()
816 		err = hchmap->ops.chmap_validate(hchmap, ca,  in hdmi_chmap_ctl_put()
822 	hchmap->ops.set_chmap(hchmap->hdac, pcm_idx, chmap, prepared);  in hdmi_chmap_ctl_put()
838 	chmap->ops = chmap_ops;  in snd_hdac_register_chmap_ops()
839 	chmap->hdac = hdac;  in snd_hdac_register_chmap_ops()
857 	chmap->private_data = hchmap;  in snd_hdac_add_chmap_ctls()
858 	kctl = chmap->kctl;  in snd_hdac_add_chmap_ctls()
859 	for (i = 0; i < kctl->count; i++)  in snd_hdac_add_chmap_ctls()
860 		kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;  in snd_hdac_add_chmap_ctls()
861 	kctl->info = hdmi_chmap_ctl_info;  in snd_hdac_add_chmap_ctls()
862 	kctl->get = hdmi_chmap_ctl_get;  in snd_hdac_add_chmap_ctls()
863 	kctl->put = hdmi_chmap_ctl_put;  in snd_hdac_add_chmap_ctls()
864 	kctl->tlv.c = hdmi_chmap_ctl_tlv;  in snd_hdac_add_chmap_ctls()