diff options
Diffstat (limited to 'sound/hda/codecs/hdmi/hdmi.c')
| -rw-r--r-- | sound/hda/codecs/hdmi/hdmi.c | 2416 |
1 files changed, 2416 insertions, 0 deletions
diff --git a/sound/hda/codecs/hdmi/hdmi.c b/sound/hda/codecs/hdmi/hdmi.c new file mode 100644 index 000000000000..b5d840d9892b --- /dev/null +++ b/sound/hda/codecs/hdmi/hdmi.c @@ -0,0 +1,2416 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * + * hdmi.c - routines for HDMI/DisplayPort codecs + * + * Copyright(c) 2008-2010 Intel Corporation + * Copyright (c) 2006 ATI Technologies Inc. + * Copyright (c) 2008 NVIDIA Corp. All rights reserved. + * Copyright (c) 2008 Wei Ni <wni@nvidia.com> + * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi> + * + * Authors: + * Wu Fengguang <wfg@linux.intel.com> + * + * Maintained by: + * Wu Fengguang <wfg@linux.intel.com> + */ + +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/asoundef.h> +#include <sound/tlv.h> +#include <sound/hdaudio.h> +#include <sound/hda_i915.h> +#include <sound/hda_chmap.h> +#include <sound/hda_codec.h> +#include "hda_local.h" +#include "hda_jack.h" +#include "hda_controller.h" +#include "hdmi_local.h" + +static bool static_hdmi_pcm; +module_param(static_hdmi_pcm, bool, 0644); +MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info"); + +static bool enable_acomp = true; +module_param(enable_acomp, bool, 0444); +MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)"); + +static bool enable_all_pins; +module_param(enable_all_pins, bool, 0444); +MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins"); + +int snd_hda_hdmi_pin_id_to_pin_index(struct hda_codec *codec, + hda_nid_t pin_nid, int dev_id) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + struct hdmi_spec_per_pin *per_pin; + + /* + * (dev_id == -1) means it is NON-MST pin + * return the first virtual pin on this port + */ + if (dev_id == -1) + dev_id = 0; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + per_pin = get_pin(spec, pin_idx); + if ((per_pin->pin_nid == pin_nid) && + (per_pin->dev_id == dev_id)) + return pin_idx; + } + + codec_warn(codec, "HDMI: pin NID 0x%x not registered\n", pin_nid); + return -EINVAL; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_pin_id_to_pin_index, "SND_HDA_CODEC_HDMI"); + +static int hinfo_to_pcm_index(struct hda_codec *codec, + struct hda_pcm_stream *hinfo) +{ + struct hdmi_spec *spec = codec->spec; + int pcm_idx; + + for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) + if (get_pcm_rec(spec, pcm_idx)->stream == hinfo) + return pcm_idx; + + codec_warn(codec, "HDMI: hinfo %p not tied to a PCM\n", hinfo); + return -EINVAL; +} + +static int hinfo_to_pin_index(struct hda_codec *codec, + struct hda_pcm_stream *hinfo) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin; + int pin_idx; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + per_pin = get_pin(spec, pin_idx); + if (per_pin->pcm && + per_pin->pcm->pcm->stream == hinfo) + return pin_idx; + } + + codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo, + hinfo_to_pcm_index(codec, hinfo)); + return -EINVAL; +} + +static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec, + int pcm_idx) +{ + int i; + struct hdmi_spec_per_pin *per_pin; + + for (i = 0; i < spec->num_pins; i++) { + per_pin = get_pin(spec, i); + if (per_pin->pcm_idx == pcm_idx) + return per_pin; + } + return NULL; +} + +static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid) +{ + struct hdmi_spec *spec = codec->spec; + int cvt_idx; + + for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) + if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid) + return cvt_idx; + + codec_warn(codec, "HDMI: cvt NID 0x%x not registered\n", cvt_nid); + return -EINVAL; +} + +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 = codec->spec; + struct hdmi_spec_per_pin *per_pin; + struct hdmi_eld *eld; + int pcm_idx; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; + + pcm_idx = kcontrol->private_value; + mutex_lock(&spec->pcm_lock); + per_pin = pcm_idx_to_pin(spec, pcm_idx); + if (!per_pin) { + /* no pin is bound to the pcm */ + uinfo->count = 0; + goto unlock; + } + eld = &per_pin->sink_eld; + uinfo->count = eld->eld_valid ? eld->eld_size : 0; + + unlock: + mutex_unlock(&spec->pcm_lock); + return 0; +} + +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 = codec->spec; + struct hdmi_spec_per_pin *per_pin; + struct hdmi_eld *eld; + int pcm_idx; + int err = 0; + + pcm_idx = kcontrol->private_value; + mutex_lock(&spec->pcm_lock); + per_pin = pcm_idx_to_pin(spec, pcm_idx); + if (!per_pin) { + /* no pin is bound to the pcm */ + memset(ucontrol->value.bytes.data, 0, + ARRAY_SIZE(ucontrol->value.bytes.data)); + goto unlock; + } + + eld = &per_pin->sink_eld; + if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || + eld->eld_size > ELD_MAX_SIZE) { + snd_BUG(); + err = -EINVAL; + goto unlock; + } + + 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); + + unlock: + mutex_unlock(&spec->pcm_lock); + return err; +} + +static const struct snd_kcontrol_new eld_bytes_ctl = { + .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE | + SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK, + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "ELD", + .info = hdmi_eld_ctl_info, + .get = hdmi_eld_ctl_get, +}; + +static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx, + int device) +{ + struct snd_kcontrol *kctl; + struct hdmi_spec *spec = codec->spec; + int err; + + kctl = snd_ctl_new1(&eld_bytes_ctl, codec); + if (!kctl) + return -ENOMEM; + kctl->private_value = pcm_idx; + kctl->id.device = device; + + /* no pin nid is associated with the kctl now + * tbd: associate pin nid to eld ctl later + */ + err = snd_hda_ctl_add(codec, 0, kctl); + if (err < 0) + return err; + + get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl; + return 0; +} + +#ifdef BE_PARANOID +static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, + int *packet_index, int *byte_index) +{ + int val; + + val = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_HDMI_DIP_INDEX, 0); + + *packet_index = val >> 5; + *byte_index = val & 0x1f; +} +#endif + +static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, + int packet_index, int byte_index) +{ + int val; + + val = (packet_index << 5) | (byte_index & 0x1f); + + snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); +} + +static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, + unsigned char val) +{ + snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); +} + +static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) +{ + struct hdmi_spec *spec = codec->spec; + int pin_out; + + /* Unmute */ + if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) + snd_hda_codec_write(codec, pin_nid, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); + + if (spec->dyn_pin_out) + /* Disable pin out until stream is active */ + pin_out = 0; + else + /* Enable pin out: some machines with GM965 gets broken output + * when the pin is disabled or changed while using with HDMI + */ + pin_out = PIN_OUT; + + snd_hda_codec_write(codec, pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out); +} + +/* + * ELD proc files + */ + +#ifdef CONFIG_SND_PROC_FS +static void print_eld_info(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct hdmi_spec_per_pin *per_pin = entry->private_data; + + mutex_lock(&per_pin->lock); + snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer, per_pin->pin_nid, + per_pin->dev_id, per_pin->cvt_nid); + mutex_unlock(&per_pin->lock); +} + +static void write_eld_info(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + struct hdmi_spec_per_pin *per_pin = entry->private_data; + + mutex_lock(&per_pin->lock); + snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer); + mutex_unlock(&per_pin->lock); +} + +static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index) +{ + char name[32]; + struct hda_codec *codec = per_pin->codec; + struct snd_info_entry *entry; + int err; + + snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index); + err = snd_card_proc_new(codec->card, name, &entry); + if (err < 0) + return err; + + snd_info_set_text_ops(entry, per_pin, print_eld_info); + entry->c.text.write = write_eld_info; + entry->mode |= 0200; + per_pin->proc_entry = entry; + + return 0; +} + +static void eld_proc_free(struct hdmi_spec_per_pin *per_pin) +{ + if (!per_pin->codec->bus->shutdown) { + snd_info_free_entry(per_pin->proc_entry); + per_pin->proc_entry = NULL; + } +} +#else +static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin, + int index) +{ + return 0; +} +static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin) +{ +} +#endif + +/* + * Audio InfoFrame routines + */ + +/* + * Enable Audio InfoFrame Transmission + */ +static void hdmi_start_infoframe_trans(struct hda_codec *codec, + hda_nid_t pin_nid) +{ + hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); + snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, + AC_DIPXMIT_BEST); +} + +/* + * Disable Audio InfoFrame Transmission + */ +static void hdmi_stop_infoframe_trans(struct hda_codec *codec, + hda_nid_t pin_nid) +{ + hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); + snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, + AC_DIPXMIT_DISABLE); +} + +static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid) +{ +#ifdef CONFIG_SND_DEBUG_VERBOSE + int i; + int size; + + size = snd_hdmi_get_eld_size(codec, pin_nid); + codec_dbg(codec, "HDMI: ELD buf size is %d\n", size); + + for (i = 0; i < 8; i++) { + size = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_HDMI_DIP_SIZE, i); + codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size); + } +#endif +} + +static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid) +{ +#ifdef BE_PARANOID + int i, j; + int size; + int pi, bi; + for (i = 0; i < 8; i++) { + size = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_HDMI_DIP_SIZE, i); + if (size == 0) + continue; + + hdmi_set_dip_index(codec, pin_nid, i, 0x0); + for (j = 1; j < 1000; j++) { + hdmi_write_dip_byte(codec, pin_nid, 0x0); + hdmi_get_dip_index(codec, pin_nid, &pi, &bi); + if (pi != i) + codec_dbg(codec, "dip index %d: %d != %d\n", + bi, pi, i); + if (bi == 0) /* byte index wrapped around */ + break; + } + codec_dbg(codec, + "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n", + i, size, j); + } +#endif +} + +static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai) +{ + u8 *bytes = (u8 *)hdmi_ai; + u8 sum = 0; + int i; + + hdmi_ai->checksum = 0; + + for (i = 0; i < sizeof(*hdmi_ai); i++) + sum += bytes[i]; + + hdmi_ai->checksum = -sum; +} + +static void hdmi_fill_audio_infoframe(struct hda_codec *codec, + hda_nid_t pin_nid, + u8 *dip, int size) +{ + int i; + + hdmi_debug_dip_size(codec, pin_nid); + hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */ + + hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); + for (i = 0; i < size; i++) + hdmi_write_dip_byte(codec, pin_nid, dip[i]); +} + +static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid, + u8 *dip, int size) +{ + u8 val; + int i; + + hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); + if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0) + != AC_DIPXMIT_BEST) + return false; + + for (i = 0; i < size; i++) { + val = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_HDMI_DIP_DATA, 0); + if (val != dip[i]) + return false; + } + + return true; +} + +static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, + int dev_id, unsigned char *buf, int *eld_size) +{ + snd_hda_set_dev_select(codec, nid, dev_id); + + return snd_hdmi_get_eld(codec, nid, buf, eld_size); +} + +static void hdmi_pin_setup_infoframe(struct hda_codec *codec, + hda_nid_t pin_nid, int dev_id, + int ca, int active_channels, + int conn_type) +{ + struct hdmi_spec *spec = codec->spec; + union audio_infoframe ai; + + memset(&ai, 0, sizeof(ai)); + if ((conn_type == 0) || /* HDMI */ + /* Nvidia DisplayPort: Nvidia HW expects same layout as HDMI */ + (conn_type == 1 && spec->nv_dp_workaround)) { + struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi; + + if (conn_type == 0) { /* HDMI */ + hdmi_ai->type = 0x84; + hdmi_ai->ver = 0x01; + hdmi_ai->len = 0x0a; + } else {/* Nvidia DP */ + hdmi_ai->type = 0x84; + hdmi_ai->ver = 0x1b; + hdmi_ai->len = 0x11 << 2; + } + hdmi_ai->CC02_CT47 = active_channels - 1; + hdmi_ai->CA = ca; + hdmi_checksum_audio_infoframe(hdmi_ai); + } else if (conn_type == 1) { /* DisplayPort */ + struct dp_audio_infoframe *dp_ai = &ai.dp; + + dp_ai->type = 0x84; + dp_ai->len = 0x1b; + dp_ai->ver = 0x11 << 2; + dp_ai->CC02_CT47 = active_channels - 1; + dp_ai->CA = ca; + } else { + codec_dbg(codec, "HDMI: unknown connection type at pin NID 0x%x\n", pin_nid); + return; + } + + snd_hda_set_dev_select(codec, pin_nid, dev_id); + + /* + * sizeof(ai) is used instead of sizeof(*hdmi_ai) or + * sizeof(*dp_ai) to avoid partial match/update problems when + * the user switches between HDMI/DP monitors. + */ + if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes, + sizeof(ai))) { + codec_dbg(codec, "%s: pin NID=0x%x channels=%d ca=0x%02x\n", + __func__, pin_nid, active_channels, ca); + hdmi_stop_infoframe_trans(codec, pin_nid); + hdmi_fill_audio_infoframe(codec, pin_nid, + ai.bytes, sizeof(ai)); + hdmi_start_infoframe_trans(codec, pin_nid); + } +} + +void snd_hda_hdmi_setup_audio_infoframe(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin, + bool non_pcm) +{ + struct hdmi_spec *spec = codec->spec; + struct hdac_chmap *chmap = &spec->chmap; + hda_nid_t pin_nid = per_pin->pin_nid; + int dev_id = per_pin->dev_id; + int channels = per_pin->channels; + int active_channels; + struct hdmi_eld *eld; + int ca; + + if (!channels) + return; + + snd_hda_set_dev_select(codec, pin_nid, dev_id); + + /* some HW (e.g. HSW+) needs reprogramming the amp at each time */ + if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) + snd_hda_codec_write(codec, pin_nid, 0, + AC_VERB_SET_AMP_GAIN_MUTE, + AMP_OUT_UNMUTE); + + eld = &per_pin->sink_eld; + + ca = snd_hdac_channel_allocation(&codec->core, + eld->info.spk_alloc, channels, + per_pin->chmap_set, non_pcm, per_pin->chmap); + + active_channels = snd_hdac_get_active_channels(ca); + + chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid, + active_channels); + + /* + * always configure channel mapping, it may have been changed by the + * user in the meantime + */ + snd_hdac_setup_channel_mapping(&spec->chmap, + pin_nid, non_pcm, ca, channels, + per_pin->chmap, per_pin->chmap_set); + + spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id, + ca, active_channels, eld->info.conn_type); + + per_pin->non_pcm = non_pcm; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_setup_audio_infoframe, "SND_HDA_CODEC_HDMI"); + +/* + * Unsolicited events + */ + +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); + +void snd_hda_hdmi_check_presence_and_report(struct hda_codec *codec, + hda_nid_t nid, int dev_id) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx = pin_id_to_pin_index(codec, nid, dev_id); + + if (pin_idx < 0) + return; + mutex_lock(&spec->pcm_lock); + hdmi_present_sense(get_pin(spec, pin_idx), 1); + mutex_unlock(&spec->pcm_lock); +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_check_presence_and_report, + "SND_HDA_CODEC_HDMI"); + +static void jack_callback(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + /* stop polling when notification is enabled */ + if (codec_has_acomp(codec)) + return; + + snd_hda_hdmi_check_presence_and_report(codec, jack->nid, jack->dev_id); +} + +static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res, + struct hda_jack_tbl *jack) +{ + jack->jack_dirty = 1; + + codec_dbg(codec, + "HDMI hot plug event: Codec=%d NID=0x%x Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", + codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA), + !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); + + snd_hda_hdmi_check_presence_and_report(codec, jack->nid, jack->dev_id); +} + +static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) +{ + int tag = res >> AC_UNSOL_RES_TAG_SHIFT; + int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; + int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); + int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); + + codec_info(codec, + "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", + codec->addr, + tag, + subtag, + cp_state, + cp_ready); + + /* TODO */ + if (cp_state) { + ; + } + if (cp_ready) { + ; + } +} + +void snd_hda_hdmi_generic_unsol_event(struct hda_codec *codec, unsigned int res) +{ + int tag = res >> AC_UNSOL_RES_TAG_SHIFT; + int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; + struct hda_jack_tbl *jack; + + if (codec_has_acomp(codec)) + return; + + if (codec->dp_mst) { + int dev_entry = + (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; + + jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry); + } else { + jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0); + } + + if (!jack) { + codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); + return; + } + + if (subtag == 0) + hdmi_intrinsic_event(codec, res, jack); + else + hdmi_non_intrinsic_event(codec, res); +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_unsol_event, "SND_HDA_CODEC_HDMI"); + +/* + * Callbacks + */ + +/* HBR should be Non-PCM, 8 channels */ +#define is_hbr_format(format) \ + ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) + +static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, + int dev_id, bool hbr) +{ + int pinctl, new_pinctl; + + if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { + snd_hda_set_dev_select(codec, pin_nid, dev_id); + pinctl = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + + if (pinctl < 0) + return hbr ? -EINVAL : 0; + + new_pinctl = pinctl & ~AC_PINCTL_EPT; + if (hbr) + new_pinctl |= AC_PINCTL_EPT_HBR; + else + new_pinctl |= AC_PINCTL_EPT_NATIVE; + + codec_dbg(codec, + "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n", + pin_nid, + pinctl == new_pinctl ? "" : "new-", + new_pinctl); + + if (pinctl != new_pinctl) + snd_hda_codec_write(codec, pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + new_pinctl); + } else if (hbr) + return -EINVAL; + + return 0; +} + +int snd_hda_hdmi_setup_stream(struct hda_codec *codec, + hda_nid_t cvt_nid, + hda_nid_t pin_nid, int dev_id, + u32 stream_tag, int format) +{ + struct hdmi_spec *spec = codec->spec; + unsigned int param; + int err; + + err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id, + is_hbr_format(format)); + + if (err) { + codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); + return err; + } + + if (spec->intel_hsw_fixup) { + + /* + * on recent platforms IEC Coding Type is required for HBR + * support, read current Digital Converter settings and set + * ICT bitfield if needed. + */ + param = snd_hda_codec_read(codec, cvt_nid, 0, + AC_VERB_GET_DIGI_CONVERT_1, 0); + + param = (param >> 16) & ~(AC_DIG3_ICT); + + /* on recent platforms ICT mode is required for HBR support */ + if (is_hbr_format(format)) + param |= 0x1; + + snd_hda_codec_write(codec, cvt_nid, 0, + AC_VERB_SET_DIGI_CONVERT_3, param); + } + + snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_setup_stream, "SND_HDA_CODEC_HDMI"); + +/* Try to find an available converter + * If pin_idx is less then zero, just try to find an available converter. + * Otherwise, try to find an available converter and get the cvt mux index + * of the pin. + */ +static int hdmi_choose_cvt(struct hda_codec *codec, + int pin_idx, int *cvt_id, + bool silent) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin; + struct hdmi_spec_per_cvt *per_cvt = NULL; + int cvt_idx, mux_idx = 0; + + /* pin_idx < 0 means no pin will be bound to the converter */ + if (pin_idx < 0) + per_pin = NULL; + else + per_pin = get_pin(spec, pin_idx); + + if (per_pin && per_pin->silent_stream) { + cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); + per_cvt = get_cvt(spec, cvt_idx); + if (per_cvt->assigned && !silent) + return -EBUSY; + if (cvt_id) + *cvt_id = cvt_idx; + return 0; + } + + /* Dynamically assign converter to stream */ + for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { + per_cvt = get_cvt(spec, cvt_idx); + + /* Must not already be assigned */ + if (per_cvt->assigned || per_cvt->silent_stream) + continue; + if (per_pin == NULL) + break; + /* Must be in pin's mux's list of converters */ + for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) + if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid) + break; + /* Not in mux list */ + if (mux_idx == per_pin->num_mux_nids) + continue; + break; + } + + /* No free converters */ + if (cvt_idx == spec->num_cvts) + return -EBUSY; + + if (per_pin != NULL) + per_pin->mux_idx = mux_idx; + + if (cvt_id) + *cvt_id = cvt_idx; + + return 0; +} + +/* skeleton caller of pin_cvt_fixup ops */ +static void pin_cvt_fixup(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin, + hda_nid_t cvt_nid) +{ + struct hdmi_spec *spec = codec->spec; + + if (spec->ops.pin_cvt_fixup) + spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid); +} + +/* called in hdmi_pcm_open when no pin is assigned to the PCM */ +static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct hdmi_spec *spec = codec->spec; + struct snd_pcm_runtime *runtime = substream->runtime; + int cvt_idx, pcm_idx; + struct hdmi_spec_per_cvt *per_cvt = NULL; + int err; + + pcm_idx = hinfo_to_pcm_index(codec, hinfo); + if (pcm_idx < 0) + return -EINVAL; + + err = hdmi_choose_cvt(codec, -1, &cvt_idx, false); + if (err) + return err; + + per_cvt = get_cvt(spec, cvt_idx); + per_cvt->assigned = true; + hinfo->nid = per_cvt->cvt_nid; + + pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid); + + set_bit(pcm_idx, &spec->pcm_in_use); + /* todo: setup spdif ctls assign */ + + /* Initially set the converter's capabilities */ + hinfo->channels_min = per_cvt->channels_min; + hinfo->channels_max = per_cvt->channels_max; + hinfo->rates = per_cvt->rates; + hinfo->formats = per_cvt->formats; + hinfo->maxbps = per_cvt->maxbps; + + /* Store the updated parameters */ + runtime->hw.channels_min = hinfo->channels_min; + runtime->hw.channels_max = hinfo->channels_max; + runtime->hw.formats = hinfo->formats; + runtime->hw.rates = hinfo->rates; + + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, 2); + return 0; +} + +/* + * HDA PCM callbacks + */ +static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct hdmi_spec *spec = codec->spec; + struct snd_pcm_runtime *runtime = substream->runtime; + int pin_idx, cvt_idx, pcm_idx; + struct hdmi_spec_per_pin *per_pin; + struct hdmi_eld *eld; + struct hdmi_spec_per_cvt *per_cvt = NULL; + int err; + + /* Validate hinfo */ + pcm_idx = hinfo_to_pcm_index(codec, hinfo); + if (pcm_idx < 0) + return -EINVAL; + + mutex_lock(&spec->pcm_lock); + pin_idx = hinfo_to_pin_index(codec, hinfo); + /* no pin is assigned to the PCM + * PA need pcm open successfully when probe + */ + if (pin_idx < 0) { + err = hdmi_pcm_open_no_pin(hinfo, codec, substream); + goto unlock; + } + + err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, false); + if (err < 0) + goto unlock; + + per_cvt = get_cvt(spec, cvt_idx); + /* Claim converter */ + per_cvt->assigned = true; + + set_bit(pcm_idx, &spec->pcm_in_use); + per_pin = get_pin(spec, pin_idx); + per_pin->cvt_nid = per_cvt->cvt_nid; + hinfo->nid = per_cvt->cvt_nid; + + /* flip stripe flag for the assigned stream if supported */ + if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE) + azx_stream(get_azx_dev(substream))->stripe = 1; + + snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); + snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, + AC_VERB_SET_CONNECT_SEL, + per_pin->mux_idx); + + /* configure unused pins to choose other converters */ + pin_cvt_fixup(codec, per_pin, 0); + + snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid); + + /* Initially set the converter's capabilities */ + hinfo->channels_min = per_cvt->channels_min; + hinfo->channels_max = per_cvt->channels_max; + hinfo->rates = per_cvt->rates; + hinfo->formats = per_cvt->formats; + hinfo->maxbps = per_cvt->maxbps; + + eld = &per_pin->sink_eld; + /* Restrict capabilities by ELD if this isn't disabled */ + if (!static_hdmi_pcm && eld->eld_valid) { + snd_hdmi_eld_update_pcm_info(&eld->info, hinfo); + if (hinfo->channels_min > hinfo->channels_max || + !hinfo->rates || !hinfo->formats) { + per_cvt->assigned = false; + hinfo->nid = 0; + snd_hda_spdif_ctls_unassign(codec, pcm_idx); + err = -ENODEV; + goto unlock; + } + } + + /* Store the updated parameters */ + runtime->hw.channels_min = hinfo->channels_min; + runtime->hw.channels_max = hinfo->channels_max; + runtime->hw.formats = hinfo->formats; + runtime->hw.rates = hinfo->rates; + + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, 2); + unlock: + mutex_unlock(&spec->pcm_lock); + return err; +} + +/* + * HDA/HDMI auto parsing + */ +static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + hda_nid_t pin_nid = per_pin->pin_nid; + int dev_id = per_pin->dev_id; + int conns; + + if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { + codec_warn(codec, + "HDMI: pin NID 0x%x wcaps %#x does not support connection list\n", + pin_nid, get_wcaps(codec, pin_nid)); + return -EINVAL; + } + + snd_hda_set_dev_select(codec, pin_nid, dev_id); + + if (spec->intel_hsw_fixup) { + conns = spec->num_cvts; + memcpy(per_pin->mux_nids, spec->cvt_nids, + sizeof(hda_nid_t) * conns); + } else { + conns = snd_hda_get_raw_connections(codec, pin_nid, + per_pin->mux_nids, + HDA_MAX_CONNECTIONS); + } + + /* all the device entries on the same pin have the same conn list */ + per_pin->num_mux_nids = conns; + + return 0; +} + +static int hdmi_find_pcm_slot(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + int i; + + for (i = 0; i < spec->pcm_used; i++) { + if (!test_bit(i, &spec->pcm_bitmap)) + return i; + } + return -EBUSY; +} + +static void hdmi_attach_hda_pcm(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + int idx; + + /* pcm already be attached to the pin */ + if (per_pin->pcm) + return; + /* try the previously used slot at first */ + idx = per_pin->prev_pcm_idx; + if (idx >= 0) { + if (!test_bit(idx, &spec->pcm_bitmap)) + goto found; + per_pin->prev_pcm_idx = -1; /* no longer valid, clear it */ + } + idx = hdmi_find_pcm_slot(spec, per_pin); + if (idx == -EBUSY) + return; + found: + per_pin->pcm_idx = idx; + per_pin->pcm = get_hdmi_pcm(spec, idx); + set_bit(idx, &spec->pcm_bitmap); +} + +static void hdmi_detach_hda_pcm(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + int idx; + + /* pcm already be detached from the pin */ + if (!per_pin->pcm) + return; + idx = per_pin->pcm_idx; + per_pin->pcm_idx = -1; + per_pin->prev_pcm_idx = idx; /* remember the previous index */ + per_pin->pcm = NULL; + if (idx >= 0 && idx < spec->pcm_used) + clear_bit(idx, &spec->pcm_bitmap); +} + +static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid) +{ + int mux_idx; + + for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) + if (per_pin->mux_nids[mux_idx] == cvt_nid) + break; + return mux_idx; +} + +static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid); + +static void hdmi_pcm_setup_pin(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hda_codec *codec = per_pin->codec; + struct hda_pcm *pcm; + struct hda_pcm_stream *hinfo; + struct snd_pcm_substream *substream; + int mux_idx; + bool non_pcm; + + if (per_pin->pcm_idx < 0 || per_pin->pcm_idx >= spec->pcm_used) + return; + pcm = get_pcm_rec(spec, per_pin->pcm_idx); + if (!pcm->pcm) + return; + if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use)) + return; + + /* hdmi audio only uses playback and one substream */ + hinfo = pcm->stream; + substream = pcm->pcm->streams[0].substream; + + per_pin->cvt_nid = hinfo->nid; + + mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid); + if (mux_idx < per_pin->num_mux_nids) { + snd_hda_set_dev_select(codec, per_pin->pin_nid, + per_pin->dev_id); + snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, + AC_VERB_SET_CONNECT_SEL, + mux_idx); + } + snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid); + + non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid); + if (substream->runtime) + per_pin->channels = substream->runtime->channels; + per_pin->setup = true; + per_pin->mux_idx = mux_idx; + + snd_hda_hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); +} + +static void hdmi_pcm_reset_pin(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) + snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx); + + per_pin->chmap_set = false; + memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); + + per_pin->setup = false; + per_pin->channels = 0; +} + +static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hdmi_spec *spec = codec->spec; + + if (per_pin->pcm_idx >= 0) + return spec->pcm_rec[per_pin->pcm_idx].jack; + else + return NULL; +} + +/* update per_pin ELD from the given new ELD; + * setup info frame and notification accordingly + * also notify ELD kctl and report jack status changes + */ +static void update_eld(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin, + struct hdmi_eld *eld, + int repoll) +{ + struct hdmi_eld *pin_eld = &per_pin->sink_eld; + struct hdmi_spec *spec = codec->spec; + struct snd_jack *pcm_jack; + bool old_eld_valid = pin_eld->eld_valid; + bool eld_changed; + int pcm_idx; + + if (eld->eld_valid) { + if (eld->eld_size <= 0 || + snd_parse_eld(hda_codec_dev(codec), &eld->info, + eld->eld_buffer, eld->eld_size) < 0) { + eld->eld_valid = false; + if (repoll) { + schedule_delayed_work(&per_pin->work, + msecs_to_jiffies(300)); + return; + } + } + } + + if (!eld->eld_valid || eld->eld_size <= 0 || eld->info.sad_count <= 0) { + eld->eld_valid = false; + eld->eld_size = 0; + } + + /* for monitor disconnection, save pcm_idx firstly */ + pcm_idx = per_pin->pcm_idx; + + /* + * pcm_idx >=0 before update_eld() means it is in monitor + * disconnected event. Jack must be fetched before update_eld(). + */ + pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); + + if (!spec->static_pcm_mapping) { + if (eld->eld_valid) { + hdmi_attach_hda_pcm(spec, per_pin); + hdmi_pcm_setup_pin(spec, per_pin); + } else { + hdmi_pcm_reset_pin(spec, per_pin); + hdmi_detach_hda_pcm(spec, per_pin); + } + } + + /* if pcm_idx == -1, it means this is in monitor connection event + * we can get the correct pcm_idx now. + */ + if (pcm_idx == -1) + pcm_idx = per_pin->pcm_idx; + if (!pcm_jack) + pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); + + if (eld->eld_valid) + snd_show_eld(hda_codec_dev(codec), &eld->info); + + eld_changed = (pin_eld->eld_valid != eld->eld_valid); + eld_changed |= (pin_eld->monitor_present != eld->monitor_present); + if (!eld_changed && eld->eld_valid && pin_eld->eld_valid) + if (pin_eld->eld_size != eld->eld_size || + memcmp(pin_eld->eld_buffer, eld->eld_buffer, + eld->eld_size) != 0) + eld_changed = true; + + if (eld_changed) { + pin_eld->monitor_present = eld->monitor_present; + pin_eld->eld_valid = eld->eld_valid; + pin_eld->eld_size = eld->eld_size; + if (eld->eld_valid) + memcpy(pin_eld->eld_buffer, eld->eld_buffer, + eld->eld_size); + pin_eld->info = eld->info; + } + + /* + * Re-setup pin and infoframe. This is needed e.g. when + * - sink is first plugged-in + * - transcoder can change during stream playback on Haswell + * and this can make HW reset converter selection on a pin. + */ + if (eld->eld_valid && !old_eld_valid && per_pin->setup) { + pin_cvt_fixup(codec, per_pin, 0); + snd_hda_hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); + } + + if (eld_changed && pcm_idx >= 0) + snd_ctl_notify(codec->card, + SNDRV_CTL_EVENT_MASK_VALUE | + SNDRV_CTL_EVENT_MASK_INFO, + &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id); + + if (eld_changed && pcm_jack) + snd_jack_report(pcm_jack, + (eld->monitor_present && eld->eld_valid) ? + SND_JACK_AVOUT : 0); +} + +/* update ELD and jack state via HD-audio verbs */ +static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin, + int repoll) +{ + struct hda_codec *codec = per_pin->codec; + struct hdmi_spec *spec = codec->spec; + struct hdmi_eld *eld = &spec->temp_eld; + struct device *dev = hda_codec_dev(codec); + hda_nid_t pin_nid = per_pin->pin_nid; + int dev_id = per_pin->dev_id; + /* + * Always execute a GetPinSense verb here, even when called from + * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited + * response's PD bit is not the real PD value, but indicates that + * the real PD value changed. An older version of the HD-audio + * specification worked this way. Hence, we just ignore the data in + * the unsolicited response to avoid custom WARs. + */ + int present; + int ret; + +#ifdef CONFIG_PM + if (dev->power.runtime_status == RPM_SUSPENDING) + return; +#endif + + ret = snd_hda_power_up_pm(codec); + if (ret < 0 && pm_runtime_suspended(dev)) + goto out; + + present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id); + + mutex_lock(&per_pin->lock); + eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); + if (eld->monitor_present) + eld->eld_valid = !!(present & AC_PINSENSE_ELDV); + else + eld->eld_valid = false; + + codec_dbg(codec, + "HDMI status: Codec=%d NID=0x%x Presence_Detect=%d ELD_Valid=%d\n", + codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); + + if (eld->eld_valid) { + if (spec->ops.pin_get_eld(codec, pin_nid, dev_id, + eld->eld_buffer, &eld->eld_size) < 0) + eld->eld_valid = false; + } + + update_eld(codec, per_pin, eld, repoll); + mutex_unlock(&per_pin->lock); + out: + snd_hda_power_down_pm(codec); +} + +static void silent_stream_enable(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_cvt *per_cvt; + int cvt_idx, pin_idx, err; + + /* + * Power-up will call hdmi_present_sense, so the PM calls + * have to be done without mutex held. + */ + + err = snd_hda_power_up_pm(codec); + if (err < 0 && err != -EACCES) { + codec_err(codec, + "Failed to power up codec for silent stream enable ret=[%d]\n", err); + snd_hda_power_down_pm(codec); + return; + } + + mutex_lock(&per_pin->lock); + + if (per_pin->setup) { + codec_dbg(codec, "hdmi: PCM already open, no silent stream\n"); + err = -EBUSY; + goto unlock_out; + } + + pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id); + err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, true); + if (err) { + codec_err(codec, "hdmi: no free converter to enable silent mode\n"); + goto unlock_out; + } + + per_cvt = get_cvt(spec, cvt_idx); + per_cvt->silent_stream = true; + per_pin->cvt_nid = per_cvt->cvt_nid; + per_pin->silent_stream = true; + + codec_dbg(codec, "hdmi: enabling silent stream pin-NID=0x%x cvt-NID=0x%x\n", + per_pin->pin_nid, per_cvt->cvt_nid); + + snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); + snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, + AC_VERB_SET_CONNECT_SEL, + per_pin->mux_idx); + + /* configure unused pins to choose other converters */ + pin_cvt_fixup(codec, per_pin, 0); + + spec->ops.silent_stream(codec, per_pin, true); + + unlock_out: + mutex_unlock(&per_pin->lock); + + snd_hda_power_down_pm(codec); +} + +static void silent_stream_disable(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_cvt *per_cvt; + int cvt_idx, err; + + err = snd_hda_power_up_pm(codec); + if (err < 0 && err != -EACCES) { + codec_err(codec, + "Failed to power up codec for silent stream disable ret=[%d]\n", + err); + snd_hda_power_down_pm(codec); + return; + } + + mutex_lock(&per_pin->lock); + if (!per_pin->silent_stream) + goto unlock_out; + + codec_dbg(codec, "HDMI: disable silent stream on pin-NID=0x%x cvt-NID=0x%x\n", + per_pin->pin_nid, per_pin->cvt_nid); + + cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); + if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) { + per_cvt = get_cvt(spec, cvt_idx); + per_cvt->silent_stream = false; + } + + spec->ops.silent_stream(codec, per_pin, false); + + per_pin->cvt_nid = 0; + per_pin->silent_stream = false; + + unlock_out: + mutex_unlock(&per_pin->lock); + + snd_hda_power_down_pm(codec); +} + +/* update ELD and jack state via audio component */ +static void sync_eld_via_acomp(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_eld *eld = &spec->temp_eld; + bool monitor_prev, monitor_next; + + mutex_lock(&per_pin->lock); + eld->monitor_present = false; + monitor_prev = per_pin->sink_eld.monitor_present; + eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, + per_pin->dev_id, &eld->monitor_present, + eld->eld_buffer, ELD_MAX_SIZE); + eld->eld_valid = (eld->eld_size > 0); + update_eld(codec, per_pin, eld, 0); + monitor_next = per_pin->sink_eld.monitor_present; + mutex_unlock(&per_pin->lock); + + if (spec->silent_stream_type) { + if (!monitor_prev && monitor_next) + silent_stream_enable(codec, per_pin); + else if (monitor_prev && !monitor_next) + silent_stream_disable(codec, per_pin); + } +} + +static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) +{ + struct hda_codec *codec = per_pin->codec; + + if (!codec_has_acomp(codec)) + hdmi_present_sense_via_verbs(per_pin, repoll); + else + sync_eld_via_acomp(codec, per_pin); +} + +static void hdmi_repoll_eld(struct work_struct *work) +{ + struct hdmi_spec_per_pin *per_pin = + container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); + struct hda_codec *codec = per_pin->codec; + struct hdmi_spec *spec = codec->spec; + struct hda_jack_tbl *jack; + + jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid, + per_pin->dev_id); + if (jack) + jack->jack_dirty = 1; + + if (per_pin->repoll_count++ > 6) + per_pin->repoll_count = 0; + + mutex_lock(&spec->pcm_lock); + hdmi_present_sense(per_pin, per_pin->repoll_count); + mutex_unlock(&spec->pcm_lock); +} + +static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) +{ + struct hdmi_spec *spec = codec->spec; + unsigned int caps, config; + int pin_idx; + struct hdmi_spec_per_pin *per_pin; + int err; + int dev_num, i; + + caps = snd_hda_query_pin_caps(codec, pin_nid); + if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) + return 0; + + /* + * For DP MST audio, Configuration Default is the same for + * all device entries on the same pin + */ + config = snd_hda_codec_get_pincfg(codec, pin_nid); + if (get_defcfg_connect(config) == AC_JACK_PORT_NONE && + !spec->force_connect) + return 0; + + /* + * To simplify the implementation, malloc all + * the virtual pins in the initialization statically + */ + if (spec->intel_hsw_fixup) { + /* + * On Intel platforms, device entries count returned + * by AC_PAR_DEVLIST_LEN is dynamic, and depends on + * the type of receiver that is connected. Allocate pin + * structures based on worst case. + */ + dev_num = spec->dev_num; + } else if (codec->dp_mst) { + dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1; + /* + * spec->dev_num is the maxinum number of device entries + * among all the pins + */ + spec->dev_num = (spec->dev_num > dev_num) ? + spec->dev_num : dev_num; + } else { + /* + * If the platform doesn't support DP MST, + * manually set dev_num to 1. This means + * the pin has only one device entry. + */ + dev_num = 1; + spec->dev_num = 1; + } + + for (i = 0; i < dev_num; i++) { + pin_idx = spec->num_pins; + per_pin = snd_array_new(&spec->pins); + + if (!per_pin) + return -ENOMEM; + + per_pin->pcm = NULL; + per_pin->pcm_idx = -1; + per_pin->prev_pcm_idx = -1; + per_pin->pin_nid = pin_nid; + per_pin->pin_nid_idx = spec->num_nids; + per_pin->dev_id = i; + per_pin->non_pcm = false; + snd_hda_set_dev_select(codec, pin_nid, i); + err = hdmi_read_pin_conn(codec, pin_idx); + if (err < 0) + return err; + if (!is_jack_detectable(codec, pin_nid)) + codec_warn(codec, "HDMI: pin NID 0x%x - jack not detectable\n", pin_nid); + spec->num_pins++; + } + spec->num_nids++; + + return 0; +} + +static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) +{ + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_cvt *per_cvt; + unsigned int chans; + int err; + + chans = get_wcaps(codec, cvt_nid); + chans = get_wcaps_channels(chans); + + per_cvt = snd_array_new(&spec->cvts); + if (!per_cvt) + return -ENOMEM; + + per_cvt->cvt_nid = cvt_nid; + per_cvt->channels_min = 2; + if (chans <= 16) { + per_cvt->channels_max = chans; + if (chans > spec->chmap.channels_max) + spec->chmap.channels_max = chans; + } + + err = snd_hda_query_supported_pcm(codec, cvt_nid, + &per_cvt->rates, + &per_cvt->formats, + NULL, + &per_cvt->maxbps); + if (err < 0) + return err; + + if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids)) + spec->cvt_nids[spec->num_cvts] = cvt_nid; + spec->num_cvts++; + + return 0; +} + +static const struct snd_pci_quirk force_connect_list[] = { + SND_PCI_QUIRK(0x103c, 0x83e2, "HP EliteDesk 800 G4", 1), + SND_PCI_QUIRK(0x103c, 0x83ef, "HP MP9 G4 Retail System AMS", 1), + SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), + SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), + SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1), + SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1), + SND_PCI_QUIRK(0x1043, 0x86ae, "ASUS", 1), /* Z170 PRO */ + SND_PCI_QUIRK(0x1043, 0x86c7, "ASUS", 1), /* Z170M PLUS */ + SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1), + SND_PCI_QUIRK(0x8086, 0x2060, "Intel NUC5CPYB", 1), + SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1), + {} +}; + +int snd_hda_hdmi_parse_codec(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + hda_nid_t start_nid; + unsigned int caps; + int i, nodes; + const struct snd_pci_quirk *q; + + nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid); + if (!start_nid || nodes < 0) { + codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); + return -EINVAL; + } + + if (enable_all_pins) + spec->force_connect = true; + + q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list); + + if (q && q->value) + spec->force_connect = true; + + /* + * hdmi_add_pin() assumes total amount of converters to + * be known, so first discover all converters + */ + for (i = 0; i < nodes; i++) { + hda_nid_t nid = start_nid + i; + + caps = get_wcaps(codec, nid); + + if (!(caps & AC_WCAP_DIGITAL)) + continue; + + if (get_wcaps_type(caps) == AC_WID_AUD_OUT) + hdmi_add_cvt(codec, nid); + } + + /* discover audio pins */ + for (i = 0; i < nodes; i++) { + hda_nid_t nid = start_nid + i; + + caps = get_wcaps(codec, nid); + + if (!(caps & AC_WCAP_DIGITAL)) + continue; + + if (get_wcaps_type(caps) == AC_WID_PIN) + hdmi_add_pin(codec, nid); + } + + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_parse_codec, "SND_HDA_CODEC_HDMI"); + +/* + */ +static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) +{ + struct hda_spdif_out *spdif; + bool non_pcm; + + mutex_lock(&codec->spdif_mutex); + spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); + /* Add sanity check to pass klockwork check. + * This should never happen. + */ + if (WARN_ON(spdif == NULL)) { + mutex_unlock(&codec->spdif_mutex); + return true; + } + non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); + mutex_unlock(&codec->spdif_mutex); + return non_pcm; +} + +/* + * HDMI callbacks + */ + +int snd_hda_hdmi_generic_pcm_prepare(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + hda_nid_t cvt_nid = hinfo->nid; + struct hdmi_spec *spec = codec->spec; + int pin_idx; + struct hdmi_spec_per_pin *per_pin; + struct snd_pcm_runtime *runtime = substream->runtime; + bool non_pcm; + int pinctl, stripe; + int err = 0; + + mutex_lock(&spec->pcm_lock); + pin_idx = hinfo_to_pin_index(codec, hinfo); + if (pin_idx < 0) { + /* when pcm is not bound to a pin skip pin setup and return 0 + * to make audio playback be ongoing + */ + pin_cvt_fixup(codec, NULL, cvt_nid); + snd_hda_codec_setup_stream(codec, cvt_nid, + stream_tag, 0, format); + goto unlock; + } + + per_pin = get_pin(spec, pin_idx); + + /* Verify pin:cvt selections to avoid silent audio after S3. + * After S3, the audio driver restores pin:cvt selections + * but this can happen before gfx is ready and such selection + * is overlooked by HW. Thus multiple pins can share a same + * default convertor and mute control will affect each other, + * which can cause a resumed audio playback become silent + * after S3. + */ + pin_cvt_fixup(codec, per_pin, 0); + + /* Call sync_audio_rate to set the N/CTS/M manually if necessary */ + /* Todo: add DP1.2 MST audio support later */ + if (codec_has_acomp(codec)) + snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, + per_pin->dev_id, runtime->rate); + + non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); + mutex_lock(&per_pin->lock); + per_pin->channels = substream->runtime->channels; + per_pin->setup = true; + + if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) { + stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core, + substream); + snd_hda_codec_write(codec, cvt_nid, 0, + AC_VERB_SET_STRIPE_CONTROL, + stripe); + } + + snd_hda_hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); + mutex_unlock(&per_pin->lock); + if (spec->dyn_pin_out) { + snd_hda_set_dev_select(codec, per_pin->pin_nid, + per_pin->dev_id); + pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + snd_hda_codec_write(codec, per_pin->pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pinctl | PIN_OUT); + } + + /* snd_hda_set_dev_select() has been called before */ + err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid, + per_pin->dev_id, stream_tag, format); + unlock: + mutex_unlock(&spec->pcm_lock); + return err; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_pcm_prepare, "SND_HDA_CODEC_HDMI"); + +int snd_hda_hdmi_generic_pcm_cleanup(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + snd_hda_codec_cleanup_stream(codec, hinfo->nid); + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_pcm_cleanup, "SND_HDA_CODEC_HDMI"); + +static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct hdmi_spec *spec = codec->spec; + int cvt_idx, pin_idx, pcm_idx; + struct hdmi_spec_per_cvt *per_cvt; + struct hdmi_spec_per_pin *per_pin; + int pinctl; + int err = 0; + + mutex_lock(&spec->pcm_lock); + if (hinfo->nid) { + pcm_idx = hinfo_to_pcm_index(codec, hinfo); + if (snd_BUG_ON(pcm_idx < 0)) { + err = -EINVAL; + goto unlock; + } + cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid); + if (snd_BUG_ON(cvt_idx < 0)) { + err = -EINVAL; + goto unlock; + } + per_cvt = get_cvt(spec, cvt_idx); + per_cvt->assigned = false; + hinfo->nid = 0; + + azx_stream(get_azx_dev(substream))->stripe = 0; + + snd_hda_spdif_ctls_unassign(codec, pcm_idx); + clear_bit(pcm_idx, &spec->pcm_in_use); + pin_idx = hinfo_to_pin_index(codec, hinfo); + /* + * In such a case, return 0 to match the behavior in + * hdmi_pcm_open() + */ + if (pin_idx < 0) + goto unlock; + + per_pin = get_pin(spec, pin_idx); + + if (spec->dyn_pin_out) { + snd_hda_set_dev_select(codec, per_pin->pin_nid, + per_pin->dev_id); + pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + snd_hda_codec_write(codec, per_pin->pin_nid, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, + pinctl & ~PIN_OUT); + } + + mutex_lock(&per_pin->lock); + per_pin->chmap_set = false; + memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); + + per_pin->setup = false; + per_pin->channels = 0; + mutex_unlock(&per_pin->lock); + } + +unlock: + mutex_unlock(&spec->pcm_lock); + + return err; +} + +static const struct hda_pcm_ops generic_ops = { + .open = hdmi_pcm_open, + .close = hdmi_pcm_close, + .prepare = snd_hda_hdmi_generic_pcm_prepare, + .cleanup = snd_hda_hdmi_generic_pcm_cleanup, +}; + +static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) +{ + struct hda_codec *codec = hdac_to_hda_codec(hdac); + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); + + if (!per_pin) + return 0; + + return per_pin->sink_eld.info.spk_alloc; +} + +static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, + unsigned char *chmap) +{ + struct hda_codec *codec = hdac_to_hda_codec(hdac); + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); + + /* chmap is already set to 0 in caller */ + if (!per_pin) + return; + + memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap)); +} + +static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, + unsigned char *chmap, int prepared) +{ + struct hda_codec *codec = hdac_to_hda_codec(hdac); + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); + + if (!per_pin) + return; + mutex_lock(&per_pin->lock); + per_pin->chmap_set = true; + memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap)); + if (prepared) + snd_hda_hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); + mutex_unlock(&per_pin->lock); +} + +static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) +{ + struct hda_codec *codec = hdac_to_hda_codec(hdac); + struct hdmi_spec *spec = codec->spec; + struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); + + return per_pin ? true:false; +} + +int snd_hda_hdmi_generic_build_pcms(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int idx, pcm_num; + + /* limit the PCM devices to the codec converters or available PINs */ + pcm_num = min(spec->num_cvts, spec->num_pins); + codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); + + for (idx = 0; idx < pcm_num; idx++) { + struct hdmi_spec_per_cvt *per_cvt; + struct hda_pcm *info; + struct hda_pcm_stream *pstr; + + info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx); + if (!info) + return -ENOMEM; + + spec->pcm_rec[idx].pcm = info; + spec->pcm_used++; + info->pcm_type = HDA_PCM_TYPE_HDMI; + info->own_chmap = true; + + pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; + pstr->substreams = 1; + pstr->ops = generic_ops; + + per_cvt = get_cvt(spec, 0); + pstr->channels_min = per_cvt->channels_min; + pstr->channels_max = per_cvt->channels_max; + + /* pcm number is less than pcm_rec array size */ + if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec)) + break; + /* other pstr fields are set in open */ + } + + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_build_pcms, "SND_HDA_CODEC_HDMI"); + +static void free_hdmi_jack_priv(struct snd_jack *jack) +{ + struct hdmi_pcm *pcm = jack->private_data; + + pcm->jack = NULL; +} + +static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx) +{ + char hdmi_str[32] = "HDMI/DP"; + struct hdmi_spec *spec = codec->spec; + struct snd_jack *jack; + int pcmdev = get_pcm_rec(spec, pcm_idx)->device; + int err; + + if (pcmdev > 0) + sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); + + err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack, + true, false); + if (err < 0) + return err; + + spec->pcm_rec[pcm_idx].jack = jack; + jack->private_data = &spec->pcm_rec[pcm_idx]; + jack->private_free = free_hdmi_jack_priv; + return 0; +} + +int snd_hda_hdmi_generic_build_controls(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int dev, err; + int pin_idx, pcm_idx; + + for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { + if (!get_pcm_rec(spec, pcm_idx)->pcm) { + /* no PCM: mark this for skipping permanently */ + set_bit(pcm_idx, &spec->pcm_bitmap); + continue; + } + + err = generic_hdmi_build_jack(codec, pcm_idx); + if (err < 0) + return err; + + /* create the spdif for each pcm + * pin will be bound when monitor is connected + */ + err = snd_hda_create_dig_out_ctls(codec, + 0, spec->cvt_nids[0], + HDA_PCM_TYPE_HDMI); + if (err < 0) + return err; + snd_hda_spdif_ctls_unassign(codec, pcm_idx); + + dev = get_pcm_rec(spec, pcm_idx)->device; + if (dev != SNDRV_PCM_INVALID_DEVICE) { + /* add control for ELD Bytes */ + err = hdmi_create_eld_ctl(codec, pcm_idx, dev); + if (err < 0) + return err; + } + } + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + struct hdmi_eld *pin_eld = &per_pin->sink_eld; + + if (spec->static_pcm_mapping) { + hdmi_attach_hda_pcm(spec, per_pin); + hdmi_pcm_setup_pin(spec, per_pin); + } + + pin_eld->eld_valid = false; + hdmi_present_sense(per_pin, 0); + } + + /* add channel maps */ + for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { + struct hda_pcm *pcm; + + pcm = get_pcm_rec(spec, pcm_idx); + if (!pcm || !pcm->pcm) + break; + err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap); + if (err < 0) + return err; + } + + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_build_controls, "SND_HDA_CODEC_HDMI"); + +int snd_hda_hdmi_generic_init_per_pins(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + + per_pin->codec = codec; + mutex_init(&per_pin->lock); + INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); + eld_proc_new(per_pin, pin_idx); + } + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_init_per_pins, "SND_HDA_CODEC_HDMI"); + +int snd_hda_hdmi_generic_init(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + mutex_lock(&spec->bind_lock); + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + hda_nid_t pin_nid = per_pin->pin_nid; + int dev_id = per_pin->dev_id; + + snd_hda_set_dev_select(codec, pin_nid, dev_id); + hdmi_init_pin(codec, pin_nid); + if (codec_has_acomp(codec)) + continue; + snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id, + jack_callback); + } + mutex_unlock(&spec->bind_lock); + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_init, "SND_HDA_CODEC_HDMI"); + +static void hdmi_array_init(struct hdmi_spec *spec, int nums) +{ + snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums); + snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums); +} + +static void hdmi_array_free(struct hdmi_spec *spec) +{ + snd_array_free(&spec->pins); + snd_array_free(&spec->cvts); +} + +void snd_hda_hdmi_generic_spec_free(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + + if (spec) { + hdmi_array_free(spec); + kfree(spec); + codec->spec = NULL; + } + codec->dp_mst = false; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_spec_free, "SND_HDA_CODEC_HDMI"); + +void snd_hda_hdmi_generic_remove(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx, pcm_idx; + + if (spec->acomp_registered) { + snd_hdac_acomp_exit(&codec->bus->core); + } else if (codec_has_acomp(codec)) { + snd_hdac_acomp_register_notifier(&codec->bus->core, NULL); + } + codec->relaxed_resume = 0; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + cancel_delayed_work_sync(&per_pin->work); + eld_proc_free(per_pin); + } + + for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { + if (spec->pcm_rec[pcm_idx].jack == NULL) + continue; + snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack); + } + + snd_hda_hdmi_generic_spec_free(codec); +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_remove, "SND_HDA_CODEC_HDMI"); + +int snd_hda_hdmi_generic_suspend(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + cancel_delayed_work_sync(&per_pin->work); + } + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_suspend, "SND_HDA_CODEC_HDMI"); + +int snd_hda_hdmi_generic_resume(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + snd_hda_codec_init(codec); + snd_hda_regmap_sync(codec); + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + hdmi_present_sense(per_pin, 1); + } + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_resume, "SND_HDA_CODEC_HDMI"); + +static const struct hdmi_ops generic_standard_hdmi_ops = { + .pin_get_eld = hdmi_pin_get_eld, + .pin_setup_infoframe = hdmi_pin_setup_infoframe, + .pin_hbr_setup = hdmi_pin_hbr_setup, + .setup_stream = snd_hda_hdmi_setup_stream, +}; + +/* allocate codec->spec and assign/initialize generic parser ops */ +int snd_hda_hdmi_generic_alloc(struct hda_codec *codec) +{ + struct hdmi_spec *spec; + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + + spec->codec = codec; + spec->ops = generic_standard_hdmi_ops; + spec->dev_num = 1; /* initialize to 1 */ + mutex_init(&spec->pcm_lock); + mutex_init(&spec->bind_lock); + snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); + + spec->chmap.ops.get_chmap = hdmi_get_chmap; + spec->chmap.ops.set_chmap = hdmi_set_chmap; + spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; + spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc; + + codec->spec = spec; + hdmi_array_init(spec, 4); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_alloc, "SND_HDA_CODEC_HDMI"); + +/* generic HDMI parser */ +int snd_hda_hdmi_generic_probe(struct hda_codec *codec) +{ + int err; + + err = snd_hda_hdmi_generic_alloc(codec); + if (err < 0) + return err; + + err = snd_hda_hdmi_parse_codec(codec); + if (err < 0) { + snd_hda_hdmi_generic_spec_free(codec); + return err; + } + + snd_hda_hdmi_generic_init_per_pins(codec); + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_generic_probe, "SND_HDA_CODEC_HDMI"); + +/* + * generic audio component binding + */ + +/* turn on / off the unsol event jack detection dynamically */ +static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid, + int dev_id, bool use_acomp) +{ + struct hda_jack_tbl *tbl; + + tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id); + if (tbl) { + /* clear unsol even if component notifier is used, or re-enable + * if notifier is cleared + */ + unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag); + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_UNSOLICITED_ENABLE, val); + } +} + +/* set up / clear component notifier dynamically */ +static void generic_acomp_notifier_set(struct drm_audio_component *acomp, + bool use_acomp) +{ + struct hdmi_spec *spec; + int i; + + spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops); + mutex_lock(&spec->bind_lock); + spec->use_acomp_notifier = use_acomp; + spec->codec->relaxed_resume = use_acomp; + spec->codec->bus->keep_power = 0; + /* reprogram each jack detection logic depending on the notifier */ + for (i = 0; i < spec->num_pins; i++) + reprogram_jack_detect(spec->codec, + get_pin(spec, i)->pin_nid, + get_pin(spec, i)->dev_id, + use_acomp); + mutex_unlock(&spec->bind_lock); +} + +/* enable / disable the notifier via master bind / unbind */ +int snd_hda_hdmi_acomp_master_bind(struct device *dev, + struct drm_audio_component *acomp) +{ + generic_acomp_notifier_set(acomp, true); + return 0; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_acomp_master_bind, "SND_HDA_CODEC_HDMI"); + +void snd_hda_hdmi_acomp_master_unbind(struct device *dev, + struct drm_audio_component *acomp) +{ + generic_acomp_notifier_set(acomp, false); +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_acomp_master_unbind, "SND_HDA_CODEC_HDMI"); + +/* check whether both HD-audio and DRM PCI devices belong to the same bus */ +static int match_bound_vga(struct device *dev, int subtype, void *data) +{ + struct hdac_bus *bus = data; + struct pci_dev *pci, *master; + + if (!dev_is_pci(dev) || !dev_is_pci(bus->dev)) + return 0; + master = to_pci_dev(bus->dev); + pci = to_pci_dev(dev); + return master->bus == pci->bus; +} + +/* audio component notifier for AMD/Nvidia HDMI codecs */ +void snd_hda_hdmi_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id) +{ + struct hda_codec *codec = audio_ptr; + struct hdmi_spec *spec = codec->spec; + hda_nid_t pin_nid = spec->port2pin(codec, port); + + if (!pin_nid) + return; + if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN) + return; + /* skip notification during system suspend (but not in runtime PM); + * the state will be updated at resume + */ + if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) + return; + + snd_hda_hdmi_check_presence_and_report(codec, pin_nid, dev_id); +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_acomp_pin_eld_notify, "SND_HDA_CODEC_HDMI"); + +/* set up the private drm_audio_ops from the template */ +void snd_hda_hdmi_setup_drm_audio_ops(struct hda_codec *codec, + const struct drm_audio_component_audio_ops *ops) +{ + struct hdmi_spec *spec = codec->spec; + + spec->drm_audio_ops.audio_ptr = codec; + /* intel_audio_codec_enable() or intel_audio_codec_disable() + * will call pin_eld_notify with using audio_ptr pointer + * We need make sure audio_ptr is really setup + */ + wmb(); + spec->drm_audio_ops.pin2port = ops->pin2port; + spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify; + spec->drm_audio_ops.master_bind = ops->master_bind; + spec->drm_audio_ops.master_unbind = ops->master_unbind; +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_setup_drm_audio_ops, "SND_HDA_CODEC_HDMI"); + +/* initialize the generic HDMI audio component */ +void snd_hda_hdmi_acomp_init(struct hda_codec *codec, + const struct drm_audio_component_audio_ops *ops, + int (*port2pin)(struct hda_codec *, int)) +{ + struct hdmi_spec *spec = codec->spec; + + if (!enable_acomp) { + codec_info(codec, "audio component disabled by module option\n"); + return; + } + + spec->port2pin = port2pin; + snd_hda_hdmi_setup_drm_audio_ops(codec, ops); + if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops, + match_bound_vga, 0)) { + spec->acomp_registered = true; + } +} +EXPORT_SYMBOL_NS_GPL(snd_hda_hdmi_acomp_init, "SND_HDA_CODEC_HDMI"); + +/* + */ + +enum { + MODEL_GENERIC, + MODEL_GF, +}; + +static int generichdmi_probe(struct hda_codec *codec, + const struct hda_device_id *id) +{ + int err; + + err = snd_hda_hdmi_generic_probe(codec); + if (err < 0) + return err; + /* + * Glenfly GPUs have two codecs, stream switches from one codec to + * another, need to do actual clean-ups in codec_cleanup_stream + */ + if (id->driver_data == MODEL_GF) + codec->no_sticky_stream = 1; + + return 0; +} + +static const struct hda_codec_ops generichdmi_codec_ops = { + .probe = generichdmi_probe, + .remove = snd_hda_hdmi_generic_remove, + .init = snd_hda_hdmi_generic_init, + .build_pcms = snd_hda_hdmi_generic_build_pcms, + .build_controls = snd_hda_hdmi_generic_build_controls, + .unsol_event = snd_hda_hdmi_generic_unsol_event, + .suspend = snd_hda_hdmi_generic_suspend, + .resume = snd_hda_hdmi_generic_resume, +}; + +/* + */ +static const struct hda_device_id snd_hda_id_generichdmi[] = { + HDA_CODEC_ID_MODEL(0x00147a47, "Loongson HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10951390, "SiI1390 HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x10951392, "SiI1392 HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x11069f84, "VX11 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x11069f85, "VX11 HDMI/DP", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x17e80047, "Chrontel HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x1d179f86, "ZX-100S HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f87, "ZX-100S HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f88, "KX-5000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f89, "KX-5000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8a, "KX-6000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8b, "KX-6000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8c, "KX-6000G HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8d, "KX-6000G HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8e, "KX-7000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f8f, "KX-7000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x1d179f90, "KX-7000 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d82, "Arise 82 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d83, "Arise 83 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d84, "Arise 84 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d85, "Arise 85 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d86, "Arise 86 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x67663d87, "Arise 87 HDMI/DP", MODEL_GF), + HDA_CODEC_ID_MODEL(0x80862801, "Bearlake HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x80862802, "Cantiga HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x80862803, "Eaglelake HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x80862880, "CedarTrail HDMI", MODEL_GENERIC), + HDA_CODEC_ID_MODEL(0x808629fb, "Crestline HDMI", MODEL_GENERIC), + /* special ID for generic HDMI */ + HDA_CODEC_ID_MODEL(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", MODEL_GENERIC), + {} /* terminator */ +}; +MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_generichdmi); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic HDMI HD-audio codec"); + +static struct hda_codec_driver generichdmi_driver = { + .id = snd_hda_id_generichdmi, + .ops = &generichdmi_codec_ops, +}; + +module_hda_codec_driver(generichdmi_driver); |