1 files changed, 184 insertions, 43 deletions

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 807a2aa..21425fb 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -64,6 +64,9 @@ struct hdmi_spec_per_cvt {
 	unsigned int maxbps;
 };
 
+/* max. connections to a widget */
+#define HDA_MAX_CONNECTIONS	32
+
 struct hdmi_spec_per_pin {
 	hda_nid_t pin_nid;
 	int num_mux_nids;
@@ -72,6 +75,7 @@ struct hdmi_spec_per_pin {
 	struct hda_codec *codec;
 	struct hdmi_eld sink_eld;
 	struct delayed_work work;
+	struct snd_kcontrol *eld_ctl;
 	int repoll_count;
 	bool non_pcm;
 	bool chmap_set;		/* channel-map override by ALSA API? */
@@ -81,12 +85,14 @@ struct hdmi_spec_per_pin {
 struct hdmi_spec {
 	int num_cvts;
 	struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
+	hda_nid_t cvt_nids[MAX_HDMI_CVTS];
 
 	int num_pins;
 	struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
 	struct hda_pcm pcm_rec[MAX_HDMI_PINS];
 	unsigned int channels_max; /* max over all cvts */
 
+	struct hdmi_eld temp_eld;
 	/*
 	 * Non-generic ATI/NVIDIA specific
 	 */
@@ -339,14 +345,18 @@ static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 			struct snd_ctl_elem_info *uinfo)
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct hdmi_spec *spec;
+	struct hdmi_spec *spec = codec->spec;
+	struct hdmi_eld *eld;
 	int pin_idx;
 
-	spec = codec->spec;
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 
 	pin_idx = kcontrol->private_value;
-	uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
+	eld = &spec->pins[pin_idx].sink_eld;
+
+	mutex_lock(&eld->lock);
+	uinfo->count = eld->eld_valid ? eld->eld_size : 0;
+	mutex_unlock(&eld->lock);
 
 	return 0;
 }
@@ -355,14 +365,26 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 			struct snd_ctl_elem_value *ucontrol)
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct hdmi_spec *spec;
+	struct hdmi_spec *spec = codec->spec;
+	struct hdmi_eld *eld;
 	int pin_idx;
 
-	spec = codec->spec;
 	pin_idx = kcontrol->private_value;
+	eld = &spec->pins[pin_idx].sink_eld;
+
+	mutex_lock(&eld->lock);
+	if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
+		mutex_unlock(&eld->lock);
+		snd_BUG();
+		return -EINVAL;
+	}
 
-	memcpy(ucontrol->value.bytes.data,
-		spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
+	memset(ucontrol->value.bytes.data, 0,
+	       ARRAY_SIZE(ucontrol->value.bytes.data));
+	if (eld->eld_valid)
+		memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
+		       eld->eld_size);
+	mutex_unlock(&eld->lock);
 
 	return 0;
 }
@@ -392,6 +414,7 @@ static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 	if (err < 0)
 		return err;
 
+	spec->pins[pin_idx].eld_ctl = kctl;
 	return 0;
 }
 
@@ -516,7 +539,7 @@ static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 	 * expand ELD's notions to match the ones used by Audio InfoFrame.
 	 */
 	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
-		if (eld->spk_alloc & (1 << i))
+		if (eld->info.spk_alloc & (1 << i))
 			spk_mask |= eld_speaker_allocation_bits[i];
 	}
 
@@ -530,7 +553,7 @@ static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 		}
 	}
 
-	snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
+	snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
 	snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 		    ca, channels, buf);
 
@@ -714,9 +737,10 @@ static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 
 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 				       hda_nid_t pin_nid, bool non_pcm, int ca,
-				       int channels, unsigned char *map)
+				       int channels, unsigned char *map,
+				       bool chmap_set)
 {
-	if (!non_pcm && map) {
+	if (!non_pcm && chmap_set) {
 		hdmi_manual_setup_channel_mapping(codec, pin_nid,
 						  channels, map);
 	} else {
@@ -870,7 +894,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 		ca = 0;
 
 	memset(&ai, 0, sizeof(ai));
-	if (eld->conn_type == 0) { /* HDMI */
+	if (eld->info.conn_type == 0) { /* HDMI */
 		struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 
 		hdmi_ai->type		= 0x84;
@@ -879,7 +903,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 		hdmi_ai->CC02_CT47	= channels - 1;
 		hdmi_ai->CA		= ca;
 		hdmi_checksum_audio_infoframe(hdmi_ai);
-	} else if (eld->conn_type == 1) { /* DisplayPort */
+	} else if (eld->info.conn_type == 1) { /* DisplayPort */
 		struct dp_audio_infoframe *dp_ai = &ai.dp;
 
 		dp_ai->type		= 0x84;
@@ -905,7 +929,8 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 			    pin_nid,
 			    channels);
 		hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
-					   channels, per_pin->chmap);
+					   channels, per_pin->chmap,
+					   per_pin->chmap_set);
 		hdmi_stop_infoframe_trans(codec, pin_nid);
 		hdmi_fill_audio_infoframe(codec, pin_nid,
 					    ai.bytes, sizeof(ai));
@@ -915,7 +940,8 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 		 * accordingly */
 		if (per_pin->non_pcm != non_pcm)
 			hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
-						   channels, per_pin->chmap);
+						   channels, per_pin->chmap,
+						   per_pin->chmap_set);
 	}
 
 	per_pin->non_pcm = non_pcm;
@@ -1098,10 +1124,14 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 
 	/* Restrict capabilities by ELD if this isn't disabled */
 	if (!static_hdmi_pcm && eld->eld_valid) {
-		snd_hdmi_eld_update_pcm_info(eld, hinfo);
+		snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
 		if (hinfo->channels_min > hinfo->channels_max ||
-		    !hinfo->rates || !hinfo->formats)
+		    !hinfo->rates || !hinfo->formats) {
+			per_cvt->assigned = 0;
+			hinfo->nid = 0;
+			snd_hda_spdif_ctls_unassign(codec, pin_idx);
 			return -ENODEV;
+		}
 	}
 
 	/* Store the updated parameters */
@@ -1142,7 +1172,9 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 {
 	struct hda_codec *codec = per_pin->codec;
-	struct hdmi_eld *eld = &per_pin->sink_eld;
+	struct hdmi_spec *spec = codec->spec;
+	struct hdmi_eld *eld = &spec->temp_eld;
+	struct hdmi_eld *pin_eld = &per_pin->sink_eld;
 	hda_nid_t pin_nid = per_pin->pin_nid;
 	/*
 	 * Always execute a GetPinSense verb here, even when called from
@@ -1153,27 +1185,64 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 	 * the unsolicited response to avoid custom WARs.
 	 */
 	int present = snd_hda_pin_sense(codec, pin_nid);
-	bool eld_valid = false;
+	bool update_eld = false;
+	bool eld_changed = false;
 
-	memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
-
-	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE);
-	if (eld->monitor_present)
-		eld_valid	= !!(present & AC_PINSENSE_ELDV);
+	pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
+	if (pin_eld->monitor_present)
+		eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
+	else
+		eld->eld_valid = false;
 
 	_snd_printd(SND_PR_VERBOSE,
 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-		codec->addr, pin_nid, eld->monitor_present, eld_valid);
+		codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+
+	if (eld->eld_valid) {
+		if (snd_hdmi_get_eld(codec, pin_nid, eld->eld_buffer,
+						     &eld->eld_size) < 0)
+			eld->eld_valid = false;
+		else {
+			memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
+			if (snd_hdmi_parse_eld(&eld->info, eld->eld_buffer,
+						    eld->eld_size) < 0)
+				eld->eld_valid = false;
+		}
 
-	if (eld_valid) {
-		if (!snd_hdmi_get_eld(eld, codec, pin_nid))
-			snd_hdmi_show_eld(eld);
+		if (eld->eld_valid) {
+			snd_hdmi_show_eld(&eld->info);
+			update_eld = true;
+		}
 		else if (repoll) {
 			queue_delayed_work(codec->bus->workq,
 					   &per_pin->work,
 					   msecs_to_jiffies(300));
+			return;
 		}
 	}
+
+	mutex_lock(&pin_eld->lock);
+	if (pin_eld->eld_valid && !eld->eld_valid) {
+		update_eld = true;
+		eld_changed = true;
+	}
+	if (update_eld) {
+		pin_eld->eld_valid = eld->eld_valid;
+		eld_changed = pin_eld->eld_size != eld->eld_size ||
+			      memcmp(pin_eld->eld_buffer, eld->eld_buffer,
+				     eld->eld_size) != 0;
+		if (eld_changed)
+			memcpy(pin_eld->eld_buffer, eld->eld_buffer,
+			       eld->eld_size);
+		pin_eld->eld_size = eld->eld_size;
+		pin_eld->info = eld->info;
+	}
+	mutex_unlock(&pin_eld->lock);
+
+	if (eld_changed)
+		snd_ctl_notify(codec->bus->card,
+			       SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
+			       &per_pin->eld_ctl->id);
 }
 
 static void hdmi_repoll_eld(struct work_struct *work)
@@ -1187,6 +1256,9 @@ static void hdmi_repoll_eld(struct work_struct *work)
 	hdmi_present_sense(per_pin, per_pin->repoll_count);
 }
 
+static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
+					     hda_nid_t nid);
+
 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 {
 	struct hdmi_spec *spec = codec->spec;
@@ -1206,6 +1278,9 @@ static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 	if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
 		return -E2BIG;
 
+	if (codec->vendor_id == 0x80862807)
+		intel_haswell_fixup_connect_list(codec, pin_nid);
+
 	pin_idx = spec->num_pins;
 	per_pin = &spec->pins[pin_idx];
 
@@ -1253,7 +1328,7 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
 	if (err < 0)
 		return err;
 
-	spec->num_cvts++;
+	spec->cvt_nids[spec->num_cvts++] = cvt_nid;
 
 	return 0;
 }
@@ -1635,6 +1710,7 @@ static int generic_hdmi_init_per_pins(struct hda_codec *codec)
 		struct hdmi_eld *eld = &per_pin->sink_eld;
 
 		per_pin->codec = codec;
+		mutex_init(&eld->lock);
 		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
 		snd_hda_eld_proc_new(codec, eld, pin_idx);
 	}
@@ -1681,30 +1757,92 @@ static const struct hda_codec_ops generic_hdmi_patch_ops = {
 	.unsol_event		= hdmi_unsol_event,
 };
 
-static void intel_haswell_fixup_connect_list(struct hda_codec *codec)
+
+static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
+					     hda_nid_t nid)
+{
+	struct hdmi_spec *spec = codec->spec;
+	hda_nid_t conns[4];
+	int nconns;
+
+	nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
+	if (nconns == spec->num_cvts &&
+	    !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
+		return;
+
+	/* override pins connection list */
+	snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
+	snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
+}
+
+#define INTEL_VENDOR_NID 0x08
+#define INTEL_GET_VENDOR_VERB 0xf81
+#define INTEL_SET_VENDOR_VERB 0x781
+#define INTEL_EN_DP12			0x02 /* enable DP 1.2 features */
+#define INTEL_EN_ALL_PIN_CVTS	0x01 /* enable 2nd & 3rd pins and convertors */
+
+static void intel_haswell_enable_all_pins(struct hda_codec *codec,
+					const struct hda_fixup *fix, int action)
 {
 	unsigned int vendor_param;
-	hda_nid_t list[3] = {0x2, 0x3, 0x4};
 
-	vendor_param = snd_hda_codec_read(codec, 0x08, 0, 0xf81, 0);
-	if (vendor_param == -1 || vendor_param & 0x02)
+	if (action != HDA_FIXUP_ACT_PRE_PROBE)
+		return;
+	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
+				INTEL_GET_VENDOR_VERB, 0);
+	if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
 		return;
 
-	/* enable DP1.2 mode */
-	vendor_param |= 0x02;
-	snd_hda_codec_read(codec, 0x08, 0, 0x781, vendor_param);
+	vendor_param |= INTEL_EN_ALL_PIN_CVTS;
+	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
+				INTEL_SET_VENDOR_VERB, vendor_param);
+	if (vendor_param == -1)
+		return;
+
+	snd_hda_codec_update_widgets(codec);
+	return;
+}
+
+static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
+{
+	unsigned int vendor_param;
 
-	vendor_param = snd_hda_codec_read(codec, 0x08, 0, 0xf81, 0);
-	if (vendor_param == -1 || !(vendor_param & 0x02))
+	vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
+				INTEL_GET_VENDOR_VERB, 0);
+	if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
 		return;
 
-	/* override 3 pins connection list */
-	snd_hda_override_conn_list(codec, 0x05, 3, list);
-	snd_hda_override_conn_list(codec, 0x06, 3, list);
-	snd_hda_override_conn_list(codec, 0x07, 3, list);
+	/* enable DP1.2 mode */
+	vendor_param |= INTEL_EN_DP12;
+	snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
+				INTEL_SET_VENDOR_VERB, vendor_param);
 }
 
 
+
+/* available models for fixup */
+enum {
+	INTEL_HASWELL,
+};
+
+static const struct hda_model_fixup hdmi_models[] = {
+	{.id = INTEL_HASWELL, .name = "Haswell"},
+	{}
+};
+
+static const struct snd_pci_quirk hdmi_fixup_tbl[] = {
+	SND_PCI_QUIRK(0x8086, 0x2010, "Haswell", INTEL_HASWELL),
+	{} /* terminator */
+};
+
+static const struct hda_fixup hdmi_fixups[] = {
+	[INTEL_HASWELL] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = intel_haswell_enable_all_pins,
+	},
+};
+
+
 static int patch_generic_hdmi(struct hda_codec *codec)
 {
 	struct hdmi_spec *spec;
@@ -1715,8 +1853,11 @@ static int patch_generic_hdmi(struct hda_codec *codec)
 
 	codec->spec = spec;
 
+	snd_hda_pick_fixup(codec, hdmi_models, hdmi_fixup_tbl, hdmi_fixups);
+	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
+
 	if (codec->vendor_id == 0x80862807)
-		intel_haswell_fixup_connect_list(codec);
+		intel_haswell_fixup_enable_dp12(codec);
 
 	if (hdmi_parse_codec(codec) < 0) {
 		codec->spec = NULL;