1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * ATI/AMD codec support
17 #define is_amdhdmi_rev3_or_later(codec) \  argument
18 	((codec)->core.vendor_id == 0x1002aa01 && \
19 	 ((codec)->core.revision_id & 0xff00) >= 0x0300)
20 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)  argument
79 /* in standard HDMI VSDB format */
93 static int get_eld_ati(struct hda_codec *codec, hda_nid_t nid,  in get_eld_ati()  argument
102 	spkalloc = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SPEAKER_ALLOCATION, 0);  in get_eld_ati()
105 		codec_info(codec, "HDMI ATI/AMD: no speaker allocation for ELD\n");  in get_eld_ati()
106 		return -EINVAL;  in get_eld_ati()
126 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PORT_ID_LOW);  in get_eld_ati()
127 		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
130 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PORT_ID_HIGH);  in get_eld_ati()
131 		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
134 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_MANUFACTURER_ID);  in get_eld_ati()
135 		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
138 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_PRODUCT_ID);  in get_eld_ati()
139 		sink_info = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
142 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_SINK_DESC_LEN);  in get_eld_ati()
143 		sink_desc_len = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
146 			codec_info(codec, "HDMI ATI/AMD: Truncating HDMI sink description with length %d\n",  in get_eld_ati()
154 …snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_SINK_INFO_INDEX, ATI_INFO_IDX_SINK_DESC_FIRST + i);  in get_eld_ati()
155 			buf[pos++] = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_SINK_INFO_DATA, 0);  in get_eld_ati()
163 		snd_hda_codec_write(codec, nid, 0, ATI_VERB_SET_AUDIO_DESCRIPTOR, i << 3);  in get_eld_ati()
164 		ati_sad = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_AUDIO_DESCRIPTOR, 0);  in get_eld_ati()
170 			/* format is supported, copy SAD as-is */  in get_eld_ati()
188 		codec_info(codec, "HDMI ATI/AMD: no audio descriptors for ELD\n");  in get_eld_ati()
189 		return -EINVAL;  in get_eld_ati()
193 	 * HDMI VSDB latency format:  in get_eld_ati()
196 	 *  [1..251]   msecs = (x-1)*2  (max 500ms with x = 251 = 0xfb)  in get_eld_ati()
205 	aud_synch = snd_hda_codec_read(codec, nid, 0, ATI_VERB_GET_AUDIO_VIDEO_DELAY, 0);  in get_eld_ati()
212 			buf[6] = video_latency_hdmi - audio_latency_hdmi;  in get_eld_ati()
217 	buf[5] |= ((pos - ELD_FIXED_BYTES - sink_desc_len) / 3) << 4;  in get_eld_ati()
219 	/* Baseline ELD block length is 4-byte aligned */  in get_eld_ati()
222 	/* Baseline ELD length (4-byte header is not counted in) */  in get_eld_ati()
223 	buf[2] = (pos - 4) / 4;  in get_eld_ati()
230 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,  in atihdmi_pin_get_eld()  argument
234 	/* call hda_eld.c ATI/AMD-specific function */  in atihdmi_pin_get_eld()
235 	return get_eld_ati(codec, nid, buf, eld_size,  in atihdmi_pin_get_eld()
236 			   is_amdhdmi_rev3_or_later(codec));  in atihdmi_pin_get_eld()
239 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec,  in atihdmi_pin_setup_infoframe()  argument
244 	snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);  in atihdmi_pin_setup_infoframe()
250 	 * ATI/AMD have automatic FC/LFE swap built-in  in atihdmi_paired_swap_fc_lfe()
268 	/* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */  in atihdmi_paired_chmap_validate()
280 			int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);  in atihdmi_paired_chmap_validate()
282 			if (cap->speakers[chan_idx] == mask) {  in atihdmi_paired_chmap_validate()
288 					int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);  in atihdmi_paired_chmap_validate()
290 					int comp_mask_act = cap->speakers[comp_chan_idx];  in atihdmi_paired_chmap_validate()
295 						return -EINVAL;  in atihdmi_paired_chmap_validate()
302 			return -EINVAL;  in atihdmi_paired_chmap_validate()
314 	struct hda_codec *codec = hdac_to_hda_codec(hdac);  in atihdmi_pin_set_slot_channel()  local
319 		return -EINVAL;  in atihdmi_pin_set_slot_channel()
321 	if (!has_amd_full_remap_support(codec)) {  in atihdmi_pin_set_slot_channel()
332 		hdmi_slot -= hdmi_slot % 2;  in atihdmi_pin_set_slot_channel()
335 			stream_channel -= stream_channel % 2;  in atihdmi_pin_set_slot_channel()
345 	return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);  in atihdmi_pin_set_slot_channel()
351 	struct hda_codec *codec = hdac_to_hda_codec(hdac);  in atihdmi_pin_get_slot_channel()  local
358 		return -EINVAL;  in atihdmi_pin_get_slot_channel()
360 	if (!has_amd_full_remap_support(codec)) {  in atihdmi_pin_get_slot_channel()
363 			ati_asp_slot -= 1;  in atihdmi_pin_get_slot_channel()
370 	ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);  in atihdmi_pin_get_slot_channel()
386 	 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so  in atihdmi_paired_chmap_cea_alloc_validate_get_type()
393 	/* We only produce even-numbered channel count TLVs */  in atihdmi_paired_chmap_cea_alloc_validate_get_type()
395 		return -1;  in atihdmi_paired_chmap_cea_alloc_validate_get_type()
398 		if (cap->speakers[c] || cap->speakers[c+1])  in atihdmi_paired_chmap_cea_alloc_validate_get_type()
403 		return -1;  in atihdmi_paired_chmap_cea_alloc_validate_get_type()
412 	/* produce paired maps for pre-rev3 ATI/AMD codecs */  in atihdmi_paired_cea_alloc_to_tlv_chmap()
416 	for (c = 7; c >= 0; c--) {  in atihdmi_paired_cea_alloc_to_tlv_chmap()
417 		int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);  in atihdmi_paired_cea_alloc_to_tlv_chmap()
418 		int spk = cap->speakers[chan];  in atihdmi_paired_cea_alloc_to_tlv_chmap()
422 			if (cap->speakers[chan + (chan % 2 ? -1 : 1)])  in atihdmi_paired_cea_alloc_to_tlv_chmap()
434 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,  in atihdmi_pin_hbr_setup()  argument
441 	hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);  in atihdmi_pin_hbr_setup()
448 		codec_dbg(codec,  in atihdmi_pin_hbr_setup()
449 			  "%s: NID=0x%x, %shbr-ctl=0x%x\n",  in atihdmi_pin_hbr_setup()
452 			  hbr_ctl == hbr_ctl_new ? "" : "new-",  in atihdmi_pin_hbr_setup()
456 			snd_hda_codec_write(codec, pin_nid, 0,  in atihdmi_pin_hbr_setup()
461 		return -EINVAL;  in atihdmi_pin_hbr_setup()
466 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,  in atihdmi_setup_stream()  argument
470 	if (is_amdhdmi_rev3_or_later(codec)) {  in atihdmi_setup_stream()
472 		/* disable ramp-up/down for non-pcm as per AMD spec */  in atihdmi_setup_stream()
476 		snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);  in atihdmi_setup_stream()
479 	return snd_hda_hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,  in atihdmi_setup_stream()
484 static int atihdmi_init(struct hda_codec *codec)  in atihdmi_init()  argument
486 	struct hdmi_spec *spec = codec->spec;  in atihdmi_init()
489 	err = snd_hda_hdmi_generic_init(codec);  in atihdmi_init()
494 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {  in atihdmi_init()
498 		snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);  in atihdmi_init()
500 		/* enable channel-wise remap mode if supported */  in atihdmi_init()
501 		if (has_amd_full_remap_support(codec))  in atihdmi_init()
502 			snd_hda_codec_write(codec, per_pin->pin_nid, 0,  in atihdmi_init()
506 	codec->auto_runtime_pm = 1;  in atihdmi_init()
511 /* map from pin NID to port; port is 0-based */
515 	return pin_nid / 2 - 1;  in atihdmi_pin2port()
518 /* reverse-map from port to pin NID: see above */
519 static int atihdmi_port2pin(struct hda_codec *codec, int port)  in atihdmi_port2pin()  argument
531 static int atihdmi_probe(struct hda_codec *codec, const struct hda_device_id *id)  in atihdmi_probe()  argument
537 	err = snd_hda_hdmi_generic_probe(codec);  in atihdmi_probe()
541 	spec = codec->spec;  in atihdmi_probe()
543 	spec->static_pcm_mapping = true;  in atihdmi_probe()
545 	spec->ops.pin_get_eld = atihdmi_pin_get_eld;  in atihdmi_probe()
546 	spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;  in atihdmi_probe()
547 	spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;  in atihdmi_probe()
548 	spec->ops.setup_stream = atihdmi_setup_stream;  in atihdmi_probe()
550 	spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;  in atihdmi_probe()
551 	spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;  in atihdmi_probe()
553 	if (!has_amd_full_remap_support(codec)) {  in atihdmi_probe()
554 		/* override to ATI/AMD-specific versions with pairwise mapping */  in atihdmi_probe()
555 		spec->chmap.ops.chmap_cea_alloc_validate_get_type =  in atihdmi_probe()
557 		spec->chmap.ops.cea_alloc_to_tlv_chmap =  in atihdmi_probe()
559 		spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;  in atihdmi_probe()
563 	for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {  in atihdmi_probe()
565 		per_cvt->channels_max = max(per_cvt->channels_max, 8u);  in atihdmi_probe()
566 		per_cvt->rates |= SUPPORTED_RATES;  in atihdmi_probe()
567 		per_cvt->formats |= SUPPORTED_FORMATS;  in atihdmi_probe()
568 		per_cvt->maxbps = max(per_cvt->maxbps, 24u);  in atihdmi_probe()
571 	spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);  in atihdmi_probe()
574 	 * the link-down as is.  Tell the core to allow it.  in atihdmi_probe()
576 	codec->link_down_at_suspend = 1;  in atihdmi_probe()
578 	snd_hda_hdmi_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin);  in atihdmi_probe()
598 	HDA_CODEC_ID(0x1002793c, "RS600 HDMI"),
599 	HDA_CODEC_ID(0x10027919, "RS600 HDMI"),
600 	HDA_CODEC_ID(0x1002791a, "RS690/780 HDMI"),
601 	HDA_CODEC_ID(0x1002aa01, "R6xx HDMI"),
607 MODULE_DESCRIPTION("AMD/ATI HDMI HD-audio codec");