// SPDX-License-Identifier: GPL-2.0-or-later /* * * patch_hdmi.c - routines for HDMI/DisplayPort codecs * * Copyright(c) 2008-2010 Intel Corporation. All rights reserved. * Copyright (c) 2006 ATI Technologies Inc. * Copyright (c) 2008 NVIDIA Corp. All rights reserved. * Copyright (c) 2008 Wei Ni * Copyright (c) 2013 Anssi Hannula * * Authors: * Wu Fengguang * * Maintained by: * Wu Fengguang */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "hda_local.h" #include "hda_jack.h" #include "hda_controller.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_silent_stream = IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM); module_param(enable_silent_stream, bool, 0644); MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices"); struct hdmi_spec_per_cvt { hda_nid_t cvt_nid; int assigned; unsigned int channels_min; unsigned int channels_max; u32 rates; u64 formats; unsigned int maxbps; }; /* max. connections to a widget */ #define HDA_MAX_CONNECTIONS 32 struct hdmi_spec_per_pin { hda_nid_t pin_nid; int dev_id; /* pin idx, different device entries on the same pin use the same idx */ int pin_nid_idx; int num_mux_nids; hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; int mux_idx; hda_nid_t cvt_nid; struct hda_codec *codec; struct hdmi_eld sink_eld; struct mutex lock; struct delayed_work work; struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/ int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */ int repoll_count; bool setup; /* the stream has been set up by prepare callback */ bool silent_stream; int channels; /* current number of channels */ bool non_pcm; bool chmap_set; /* channel-map override by ALSA API? */ unsigned char chmap[8]; /* ALSA API channel-map */ #ifdef CONFIG_SND_PROC_FS struct snd_info_entry *proc_entry; #endif }; /* operations used by generic code that can be overridden by patches */ struct hdmi_ops { int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, unsigned char *buf, int *eld_size); void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, int ca, int active_channels, int conn_type); /* enable/disable HBR (HD passthrough) */ int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, bool hbr); int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, int dev_id, u32 stream_tag, int format); void (*pin_cvt_fixup)(struct hda_codec *codec, struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid); }; struct hdmi_pcm { struct hda_pcm *pcm; struct snd_jack *jack; struct snd_kcontrol *eld_ctl; }; struct hdmi_spec { struct hda_codec *codec; int num_cvts; struct snd_array cvts; /* struct hdmi_spec_per_cvt */ hda_nid_t cvt_nids[4]; /* only for haswell fix */ /* * num_pins is the number of virtual pins * for example, there are 3 pins, and each pin * has 4 device entries, then the num_pins is 12 */ int num_pins; /* * num_nids is the number of real pins * In the above example, num_nids is 3 */ int num_nids; /* * dev_num is the number of device entries * on each pin. * In the above example, dev_num is 4 */ int dev_num; struct snd_array pins; /* struct hdmi_spec_per_pin */ struct hdmi_pcm pcm_rec[16]; struct mutex pcm_lock; struct mutex bind_lock; /* for audio component binding */ /* pcm_bitmap means which pcms have been assigned to pins*/ unsigned long pcm_bitmap; int pcm_used; /* counter of pcm_rec[] */ /* bitmap shows whether the pcm is opened in user space * bit 0 means the first playback PCM (PCM3); * bit 1 means the second playback PCM, and so on. */ unsigned long pcm_in_use; struct hdmi_eld temp_eld; struct hdmi_ops ops; bool dyn_pin_out; bool dyn_pcm_assign; bool dyn_pcm_no_legacy; bool intel_hsw_fixup; /* apply Intel platform-specific fixups */ /* * Non-generic VIA/NVIDIA specific */ struct hda_multi_out multiout; struct hda_pcm_stream pcm_playback; bool use_acomp_notifier; /* use eld_notify callback for hotplug */ bool acomp_registered; /* audio component registered in this driver */ bool force_connect; /* force connectivity */ struct drm_audio_component_audio_ops drm_audio_ops; int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */ struct hdac_chmap chmap; hda_nid_t vendor_nid; const int *port_map; int port_num; bool send_silent_stream; /* Flag to enable silent stream feature */ }; #ifdef CONFIG_SND_HDA_COMPONENT static inline bool codec_has_acomp(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; return spec->use_acomp_notifier; } #else #define codec_has_acomp(codec) false #endif struct hdmi_audio_infoframe { u8 type; /* 0x84 */ u8 ver; /* 0x01 */ u8 len; /* 0x0a */ u8 checksum; u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ u8 SS01_SF24; u8 CXT04; u8 CA; u8 LFEPBL01_LSV36_DM_INH7; }; struct dp_audio_infoframe { u8 type; /* 0x84 */ u8 len; /* 0x1b */ u8 ver; /* 0x11 << 2 */ u8 CC02_CT47; /* match with HDMI infoframe from this on */ u8 SS01_SF24; u8 CXT04; u8 CA; u8 LFEPBL01_LSV36_DM_INH7; }; union audio_infoframe { struct hdmi_audio_infoframe hdmi; struct dp_audio_infoframe dp; u8 bytes[0]; }; /* * HDMI routines */ #define get_pin(spec, idx) \ ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx)) #define get_cvt(spec, idx) \ ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx)) /* obtain hdmi_pcm object assigned to idx */ #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx]) /* obtain hda_pcm object assigned to idx */ #define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm) static int 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; } 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); 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) { union audio_infoframe ai; memset(&ai, 0, sizeof(ai)); if (conn_type == 0) { /* HDMI */ struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi; hdmi_ai->type = 0x84; hdmi_ai->ver = 0x01; hdmi_ai->len = 0x0a; 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); } } static void 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; } /* * Unsolicited events */ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); static void 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); } 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; 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)); 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) { ; } } static void hdmi_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); } static void haswell_verify_D0(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t nid) { int pwr; /* For Haswell, the converter 1/2 may keep in D3 state after bootup, * thus pins could only choose converter 0 for use. Make sure the * converters are in correct power state */ if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0)) snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0); if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) { snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0); msleep(40); pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT; codec_dbg(codec, "Haswell HDMI audio: Power for NID 0x%x is now D%d\n", nid, pwr); } } /* * 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; } static int 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; } /* 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) { 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); 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) 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; } /* Assure the pin select the right convetor */ static void intel_verify_pin_cvt_connect(struct hda_codec *codec, struct hdmi_spec_per_pin *per_pin) { hda_nid_t pin_nid = per_pin->pin_nid; int mux_idx, curr; mux_idx = per_pin->mux_idx; curr = snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_CONNECT_SEL, 0); if (curr != mux_idx) snd_hda_codec_write_cache(codec, pin_nid, 0, AC_VERB_SET_CONNECT_SEL, mux_idx); } /* get the mux index for the converter of the pins * converter's mux index is the same for all pins on Intel platform */ static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec, hda_nid_t cvt_nid) { int i; for (i = 0; i < spec->num_cvts; i++) if (spec->cvt_nids[i] == cvt_nid) return i; return -EINVAL; } /* Intel HDMI workaround to fix audio routing issue: * For some Intel display codecs, pins share the same connection list. * So a conveter can be selected by multiple pins and playback on any of these * pins will generate sound on the external display, because audio flows from * the same converter to the display pipeline. Also muting one pin may make * other pins have no sound output. * So this function assures that an assigned converter for a pin is not selected * by any other pins. */ static void intel_not_share_assigned_cvt(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, int mux_idx) { struct hdmi_spec *spec = codec->spec; hda_nid_t nid; int cvt_idx, curr; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; int pin_idx; /* configure the pins connections */ for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { int dev_id_saved; int dev_num; per_pin = get_pin(spec, pin_idx); /* * pin not connected to monitor * no need to operate on it */ if (!per_pin->pcm) continue; if ((per_pin->pin_nid == pin_nid) && (per_pin->dev_id == dev_id)) continue; /* * if per_pin->dev_id >= dev_num, * snd_hda_get_dev_select() will fail, * and the following operation is unpredictable. * So skip this situation. */ dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1; if (per_pin->dev_id >= dev_num) continue; nid = per_pin->pin_nid; /* * Calling this function should not impact * on the device entry selection * So let's save the dev id for each pin, * and restore it when return */ dev_id_saved = snd_hda_get_dev_select(codec, nid); snd_hda_set_dev_select(codec, nid, per_pin->dev_id); curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0); if (curr != mux_idx) { snd_hda_set_dev_select(codec, nid, dev_id_saved); continue; } /* choose an unassigned converter. The conveters in the * connection list are in the same order as in the codec. */ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { per_cvt = get_cvt(spec, cvt_idx); if (!per_cvt->assigned) { codec_dbg(codec, "choose cvt %d for pin NID 0x%x\n", cvt_idx, nid); snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, cvt_idx); break; } } snd_hda_set_dev_select(codec, nid, dev_id_saved); } } /* A wrapper of intel_not_share_asigned_cvt() */ static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid) { int mux_idx; struct hdmi_spec *spec = codec->spec; /* On Intel platform, the mapping of converter nid to * mux index of the pins are always the same. * The pin nid may be 0, this means all pins will not * share the converter. */ mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid); if (mux_idx >= 0) intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx); } /* 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 * in dyn_pcm_assign mode. */ 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); if (err) return err; per_cvt = get_cvt(spec, cvt_idx); per_cvt->assigned = 1; 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); if (!spec->dyn_pcm_assign) { if (snd_BUG_ON(pin_idx < 0)) { err = -EINVAL; goto unlock; } } else { /* 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); if (err < 0) goto unlock; per_cvt = get_cvt(spec, cvt_idx); /* Claim converter */ per_cvt->assigned = 1; 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 = 0; 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; /* on the new machines, try to assign the pcm slot dynamically, * not use the preferred fixed map (legacy way) anymore. */ if (spec->dyn_pcm_no_legacy) goto last_try; /* * generic_hdmi_build_pcms() may allocate extra PCMs on some * platforms (with maximum of 'num_nids + dev_num - 1') * * The per_pin of pin_nid_idx=n and dev_id=m prefers to get pcm-n * if m==0. This guarantees that dynamic pcm assignments are compatible * with the legacy static per_pin-pcm assignment that existed in the * days before DP-MST. * * Intel DP-MST prefers this legacy behavior for compatibility, too. * * per_pin of m!=0 prefers to get pcm=(num_nids + (m - 1)). */ if (per_pin->dev_id == 0 || spec->intel_hsw_fixup) { if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap)) return per_pin->pin_nid_idx; } else { i = spec->num_nids + (per_pin->dev_id - 1); if (i < spec->pcm_used && !(test_bit(i, &spec->pcm_bitmap))) return i; } /* have a second try; check the area over num_nids */ for (i = spec->num_nids; i < spec->pcm_used; i++) { if (!test_bit(i, &spec->pcm_bitmap)) return i; } last_try: /* the last try; check the empty slots in pins */ for (i = 0; i < spec->num_nids; 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; idx = hdmi_find_pcm_slot(spec, per_pin); if (idx == -EBUSY) return; 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->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) pcm = get_pcm_rec(spec, per_pin->pcm_idx); else return; 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; 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_hdmi_parse_eld(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->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->dyn_pcm_assign) { 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_hdmi_show_eld(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); 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; 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; ret = snd_hda_power_up_pm(codec); if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) 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); } #define I915_SILENT_RATE 48000 #define I915_SILENT_CHANNELS 2 #define I915_SILENT_FORMAT SNDRV_PCM_FORMAT_S16_LE #define I915_SILENT_FORMAT_BITS 16 #define I915_SILENT_FMT_MASK 0xf 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; unsigned int format; mutex_lock(&per_pin->lock); if (per_pin->setup) { codec_dbg(codec, "hdmi: PCM already open, no silent stream\n"); 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); 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->assigned = 1; 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); snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, per_pin->dev_id, I915_SILENT_RATE); /* trigger silent stream generation in hw */ format = snd_hdac_calc_stream_format(I915_SILENT_RATE, I915_SILENT_CHANNELS, I915_SILENT_FORMAT, I915_SILENT_FORMAT_BITS, 0); snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, I915_SILENT_FMT_MASK, format); usleep_range(100, 200); snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, 0, format); per_pin->channels = I915_SILENT_CHANNELS; hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); unlock_out: mutex_unlock(&per_pin->lock); } 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; 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->assigned = 0; } per_pin->cvt_nid = 0; per_pin->silent_stream = false; unlock_out: mutex_unlock(&per_pin->lock); } /* 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); /* * Power-up will call hdmi_present_sense, so the PM calls * have to be done without mutex held. */ if (spec->send_silent_stream) { int pm_ret; if (!monitor_prev && monitor_next) { pm_ret = snd_hda_power_up_pm(codec); if (pm_ret < 0) codec_err(codec, "Monitor plugged-in, Failed to power up codec ret=[%d]\n", pm_ret); silent_stream_enable(codec, per_pin); } else if (monitor_prev && !monitor_next) { silent_stream_disable(codec, per_pin); pm_ret = snd_hda_power_down_pm(codec); if (pm_ret < 0) codec_err(codec, "Monitor plugged-out, Failed to power down codec ret=[%d]\n", pm_ret); } } } 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 (spec->dyn_pcm_assign && 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; if (spec->dyn_pcm_assign) { per_pin->pcm = NULL; per_pin->pcm_idx = -1; } else { per_pin->pcm = get_hdmi_pcm(spec, pin_idx); per_pin->pcm_idx = pin_idx; } 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; 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, &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, 0x870f, "HP", 1), SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), {} }; static int 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; } 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; } /* */ 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 */ static int generic_hdmi_playback_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 (spec->dyn_pcm_assign && pin_idx < 0) { /* when dyn_pcm_assign and 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; } if (snd_BUG_ON(pin_idx < 0)) { err = -EINVAL; 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); } 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; } static int generic_hdmi_playback_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; } 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 = 0; 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); if (spec->dyn_pcm_assign && pin_idx < 0) goto unlock; if (snd_BUG_ON(pin_idx < 0)) { err = -EINVAL; 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 = generic_hdmi_playback_pcm_prepare, .cleanup = generic_hdmi_playback_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) 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; } static int generic_hdmi_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int idx, pcm_num; /* * for non-mst mode, pcm number is the same as before * for DP MST mode without extra PCM, pcm number is same * for DP MST mode with extra PCMs, pcm number is * (nid number + dev_num - 1) * dev_num is the device entry number in a pin */ if (codec->mst_no_extra_pcms) pcm_num = spec->num_nids; else pcm_num = spec->num_nids + spec->dev_num - 1; codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); for (idx = 0; idx < pcm_num; idx++) { 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; /* pcm number is less than 16 */ if (spec->pcm_used >= 16) break; /* other pstr fields are set in open */ } return 0; } 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 hdmi_spec_per_pin *per_pin = get_pin(spec, pcm_idx); 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); if (!spec->dyn_pcm_assign && !is_jack_detectable(codec, per_pin->pin_nid)) strncat(hdmi_str, " Phantom", sizeof(hdmi_str) - strlen(hdmi_str) - 1); 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; } static int generic_hdmi_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 */ if (spec->dyn_pcm_assign) err = snd_hda_create_dig_out_ctls(codec, 0, spec->cvt_nids[0], HDA_PCM_TYPE_HDMI); else { struct hdmi_spec_per_pin *per_pin = get_pin(spec, pcm_idx); err = snd_hda_create_dig_out_ctls(codec, per_pin->pin_nid, per_pin->mux_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; 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; } static int generic_hdmi_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; } static int generic_hdmi_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; } 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); } static void 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; } static void generic_hdmi_free(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; if (spec->dyn_pcm_assign) snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack); else spec->pcm_rec[pcm_idx].jack = NULL; } generic_spec_free(codec); } #ifdef CONFIG_PM static int generic_hdmi_resume(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx; codec->patch_ops.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; } #endif static const struct hda_codec_ops generic_hdmi_patch_ops = { .init = generic_hdmi_init, .free = generic_hdmi_free, .build_pcms = generic_hdmi_build_pcms, .build_controls = generic_hdmi_build_controls, .unsol_event = hdmi_unsol_event, #ifdef CONFIG_PM .resume = generic_hdmi_resume, #endif }; 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 = hdmi_setup_stream, }; /* allocate codec->spec and assign/initialize generic parser ops */ static int alloc_generic_hdmi(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); codec->patch_ops = generic_hdmi_patch_ops; return 0; } /* generic HDMI parser */ static int patch_generic_hdmi(struct hda_codec *codec) { int err; err = alloc_generic_hdmi(codec); if (err < 0) return err; err = hdmi_parse_codec(codec); if (err < 0) { generic_spec_free(codec); return err; } generic_hdmi_init_per_pins(codec); return 0; } /* * 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 */ static int generic_acomp_master_bind(struct device *dev, struct drm_audio_component *acomp) { generic_acomp_notifier_set(acomp, true); return 0; } static void generic_acomp_master_unbind(struct device *dev, struct drm_audio_component *acomp) { generic_acomp_notifier_set(acomp, false); } /* 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 */ static void generic_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 (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) return; /* ditto during suspend/resume process itself */ if (snd_hdac_is_in_pm(&codec->core)) return; check_presence_and_report(codec, pin_nid, dev_id); } /* set up the private drm_audio_ops from the template */ static void 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; } /* initialize the generic HDMI audio component */ static void generic_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; 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; } } /* * Intel codec parsers and helpers */ #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, bool update_tree) { unsigned int vendor_param; struct hdmi_spec *spec = codec->spec; vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_GET_VENDOR_VERB, 0); if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) return; vendor_param |= INTEL_EN_ALL_PIN_CVTS; vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_SET_VENDOR_VERB, vendor_param); if (vendor_param == -1) return; if (update_tree) snd_hda_codec_update_widgets(codec); } static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) { unsigned int vendor_param; struct hdmi_spec *spec = codec->spec; vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, INTEL_GET_VENDOR_VERB, 0); if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) return; /* enable DP1.2 mode */ vendor_param |= INTEL_EN_DP12; snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB); snd_hda_codec_write_cache(codec, spec->vendor_nid, 0, INTEL_SET_VENDOR_VERB, vendor_param); } /* Haswell needs to re-issue the vendor-specific verbs before turning to D0. * Otherwise you may get severe h/w communication errors. */ static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg, unsigned int power_state) { if (power_state == AC_PWRST_D0) { intel_haswell_enable_all_pins(codec, false); intel_haswell_fixup_enable_dp12(codec); } snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); snd_hda_codec_set_power_to_all(codec, fg, power_state); } /* There is a fixed mapping between audio pin node and display port. * on SNB, IVY, HSW, BSW, SKL, BXT, KBL: * Pin Widget 5 - PORT B (port = 1 in i915 driver) * Pin Widget 6 - PORT C (port = 2 in i915 driver) * Pin Widget 7 - PORT D (port = 3 in i915 driver) * * on VLV, ILK: * Pin Widget 4 - PORT B (port = 1 in i915 driver) * Pin Widget 5 - PORT C (port = 2 in i915 driver) * Pin Widget 6 - PORT D (port = 3 in i915 driver) */ static int intel_base_nid(struct hda_codec *codec) { switch (codec->core.vendor_id) { case 0x80860054: /* ILK */ case 0x80862804: /* ILK */ case 0x80862882: /* VLV */ return 4; default: return 5; } } static int intel_pin2port(void *audio_ptr, int pin_nid) { struct hda_codec *codec = audio_ptr; struct hdmi_spec *spec = codec->spec; int base_nid, i; if (!spec->port_num) { base_nid = intel_base_nid(codec); if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) return -1; return pin_nid - base_nid + 1; } /* * looking for the pin number in the mapping table and return * the index which indicate the port number */ for (i = 0; i < spec->port_num; i++) { if (pin_nid == spec->port_map[i]) return i; } codec_info(codec, "Can't find the HDMI/DP port for pin NID 0x%x\n", pin_nid); return -1; } static int intel_port2pin(struct hda_codec *codec, int port) { struct hdmi_spec *spec = codec->spec; if (!spec->port_num) { /* we assume only from port-B to port-D */ if (port < 1 || port > 3) return 0; return port + intel_base_nid(codec) - 1; } if (port < 0 || port >= spec->port_num) return 0; return spec->port_map[port]; } static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) { struct hda_codec *codec = audio_ptr; int pin_nid; int dev_id = pipe; pin_nid = intel_port2pin(codec, port); if (!pin_nid) return; /* skip notification during system suspend (but not in runtime PM); * the state will be updated at resume */ if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) return; /* ditto during suspend/resume process itself */ if (snd_hdac_is_in_pm(&codec->core)) return; snd_hdac_i915_set_bclk(&codec->bus->core); check_presence_and_report(codec, pin_nid, dev_id); } static const struct drm_audio_component_audio_ops intel_audio_ops = { .pin2port = intel_pin2port, .pin_eld_notify = intel_pin_eld_notify, }; /* register i915 component pin_eld_notify callback */ static void register_i915_notifier(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; spec->use_acomp_notifier = true; spec->port2pin = intel_port2pin; setup_drm_audio_ops(codec, &intel_audio_ops); snd_hdac_acomp_register_notifier(&codec->bus->core, &spec->drm_audio_ops); /* no need for forcible resume for jack check thanks to notifier */ codec->relaxed_resume = 1; } /* setup_stream ops override for HSW+ */ static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, int dev_id, u32 stream_tag, int format) { haswell_verify_D0(codec, cvt_nid, pin_nid); return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, stream_tag, format); } /* pin_cvt_fixup ops override for HSW+ and VLV+ */ static void i915_pin_cvt_fixup(struct hda_codec *codec, struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid) { if (per_pin) { haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid); snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); intel_verify_pin_cvt_connect(codec, per_pin); intel_not_share_assigned_cvt(codec, per_pin->pin_nid, per_pin->dev_id, per_pin->mux_idx); } else { intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid); } } /* precondition and allocation for Intel codecs */ static int alloc_intel_hdmi(struct hda_codec *codec) { int err; /* requires i915 binding */ if (!codec->bus->core.audio_component) { codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); /* set probe_id here to prevent generic fallback binding */ codec->probe_id = HDA_CODEC_ID_SKIP_PROBE; return -ENODEV; } err = alloc_generic_hdmi(codec); if (err < 0) return err; /* no need to handle unsol events */ codec->patch_ops.unsol_event = NULL; return 0; } /* parse and post-process for Intel codecs */ static int parse_intel_hdmi(struct hda_codec *codec) { int err, retries = 3; do { err = hdmi_parse_codec(codec); } while (err < 0 && retries--); if (err < 0) { generic_spec_free(codec); return err; } generic_hdmi_init_per_pins(codec); register_i915_notifier(codec); return 0; } /* Intel Haswell and onwards; audio component with eld notifier */ static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, const int *port_map, int port_num, int dev_num) { struct hdmi_spec *spec; int err; err = alloc_intel_hdmi(codec); if (err < 0) return err; spec = codec->spec; codec->dp_mst = true; spec->dyn_pcm_assign = true; spec->vendor_nid = vendor_nid; spec->port_map = port_map; spec->port_num = port_num; spec->intel_hsw_fixup = true; spec->dev_num = dev_num; intel_haswell_enable_all_pins(codec, true); intel_haswell_fixup_enable_dp12(codec); codec->display_power_control = 1; codec->patch_ops.set_power_state = haswell_set_power_state; codec->depop_delay = 0; codec->auto_runtime_pm = 1; spec->ops.setup_stream = i915_hsw_setup_stream; spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; /* * Enable silent stream feature, if it is enabled via * module param or Kconfig option */ if (enable_silent_stream) spec->send_silent_stream = true; return parse_intel_hdmi(codec); } static int patch_i915_hsw_hdmi(struct hda_codec *codec) { return intel_hsw_common_init(codec, 0x08, NULL, 0, 3); } static int patch_i915_glk_hdmi(struct hda_codec *codec) { return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3); } static int patch_i915_icl_hdmi(struct hda_codec *codec) { /* * pin to port mapping table where the value indicate the pin number and * the index indicate the port number. */ static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3); } static int patch_i915_tgl_hdmi(struct hda_codec *codec) { /* * pin to port mapping table where the value indicate the pin number and * the index indicate the port number. */ static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; int ret; ret = intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4); if (!ret) { struct hdmi_spec *spec = codec->spec; spec->dyn_pcm_no_legacy = true; } return ret; } /* Intel Baytrail and Braswell; with eld notifier */ static int patch_i915_byt_hdmi(struct hda_codec *codec) { struct hdmi_spec *spec; int err; err = alloc_intel_hdmi(codec); if (err < 0) return err; spec = codec->spec; /* For Valleyview/Cherryview, only the display codec is in the display * power well and can use link_power ops to request/release the power. */ codec->display_power_control = 1; codec->depop_delay = 0; codec->auto_runtime_pm = 1; spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; return parse_intel_hdmi(codec); } /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ static int patch_i915_cpt_hdmi(struct hda_codec *codec) { int err; err = alloc_intel_hdmi(codec); if (err < 0) return err; return parse_intel_hdmi(codec); } /* * Shared non-generic implementations */ static int simple_playback_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; struct hda_pcm *info; unsigned int chans; struct hda_pcm_stream *pstr; struct hdmi_spec_per_cvt *per_cvt; per_cvt = get_cvt(spec, 0); chans = get_wcaps(codec, per_cvt->cvt_nid); chans = get_wcaps_channels(chans); info = snd_hda_codec_pcm_new(codec, "HDMI 0"); if (!info) return -ENOMEM; spec->pcm_rec[0].pcm = info; info->pcm_type = HDA_PCM_TYPE_HDMI; pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; *pstr = spec->pcm_playback; pstr->nid = per_cvt->cvt_nid; if (pstr->channels_max <= 2 && chans && chans <= 16) pstr->channels_max = chans; return 0; } /* unsolicited event for jack sensing */ static void simple_hdmi_unsol_event(struct hda_codec *codec, unsigned int res) { snd_hda_jack_set_dirty_all(codec); snd_hda_jack_report_sync(codec); } /* generic_hdmi_build_jack can be used for simple_hdmi, too, * as long as spec->pins[] is set correctly */ #define simple_hdmi_build_jack generic_hdmi_build_jack static int simple_playback_build_controls(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_cvt *per_cvt; int err; per_cvt = get_cvt(spec, 0); err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, per_cvt->cvt_nid, HDA_PCM_TYPE_HDMI); if (err < 0) return err; return simple_hdmi_build_jack(codec, 0); } static int simple_playback_init(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0); hda_nid_t pin = per_pin->pin_nid; snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); /* some codecs require to unmute the pin */ if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP) snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id); return 0; } static void simple_playback_free(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; hdmi_array_free(spec); kfree(spec); } /* * Nvidia specific implementations */ #define Nv_VERB_SET_Channel_Allocation 0xF79 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A #define Nv_VERB_SET_Audio_Protection_On 0xF98 #define Nv_VERB_SET_Audio_Protection_Off 0xF99 #define nvhdmi_master_con_nid_7x 0x04 #define nvhdmi_master_pin_nid_7x 0x05 static const hda_nid_t nvhdmi_con_nids_7x[4] = { /*front, rear, clfe, rear_surr */ 0x6, 0x8, 0xa, 0xc, }; static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = { /* set audio protect on */ { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, /* enable digital output on pin widget */ { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, {} /* terminator */ }; static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = { /* set audio protect on */ { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, /* enable digital output on pin widget */ { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, {} /* terminator */ }; #ifdef LIMITED_RATE_FMT_SUPPORT /* support only the safe format and rate */ #define SUPPORTED_RATES SNDRV_PCM_RATE_48000 #define SUPPORTED_MAXBPS 16 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE #else /* support all rates and formats */ #define SUPPORTED_RATES \ (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ SNDRV_PCM_RATE_192000) #define SUPPORTED_MAXBPS 24 #define SUPPORTED_FORMATS \ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) #endif static int nvhdmi_7x_init_2ch(struct hda_codec *codec) { snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch); return 0; } static int nvhdmi_7x_init_8ch(struct hda_codec *codec) { snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch); return 0; } static const unsigned int channels_2_6_8[] = { 2, 6, 8 }; static const unsigned int channels_2_8[] = { 2, 8 }; static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { .count = ARRAY_SIZE(channels_2_6_8), .list = channels_2_6_8, .mask = 0, }; static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { .count = ARRAY_SIZE(channels_2_8), .list = channels_2_8, .mask = 0, }; static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; switch (codec->preset->vendor_id) { case 0x10de0002: case 0x10de0003: case 0x10de0005: case 0x10de0006: hw_constraints_channels = &hw_constraints_2_8_channels; break; case 0x10de0007: hw_constraints_channels = &hw_constraints_2_6_8_channels; break; default: break; } if (hw_constraints_channels != NULL) { snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, hw_constraints_channels); } else { snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2); } return snd_hda_multi_out_dig_open(codec, &spec->multiout); } static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; return snd_hda_multi_out_dig_close(codec, &spec->multiout); } static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, struct hda_codec *codec, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag, format, substream); } static const struct hda_pcm_stream simple_pcm_playback = { .substreams = 1, .channels_min = 2, .channels_max = 2, .ops = { .open = simple_playback_pcm_open, .close = simple_playback_pcm_close, .prepare = simple_playback_pcm_prepare }, }; static const struct hda_codec_ops simple_hdmi_patch_ops = { .build_controls = simple_playback_build_controls, .build_pcms = simple_playback_build_pcms, .init = simple_playback_init, .free = simple_playback_free, .unsol_event = simple_hdmi_unsol_event, }; static int patch_simple_hdmi(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid) { struct hdmi_spec *spec; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (!spec) return -ENOMEM; spec->codec = codec; codec->spec = spec; hdmi_array_init(spec, 1); spec->multiout.num_dacs = 0; /* no analog */ spec->multiout.max_channels = 2; spec->multiout.dig_out_nid = cvt_nid; spec->num_cvts = 1; spec->num_pins = 1; per_pin = snd_array_new(&spec->pins); per_cvt = snd_array_new(&spec->cvts); if (!per_pin || !per_cvt) { simple_playback_free(codec); return -ENOMEM; } per_cvt->cvt_nid = cvt_nid; per_pin->pin_nid = pin_nid; spec->pcm_playback = simple_pcm_playback; codec->patch_ops = simple_hdmi_patch_ops; return 0; } static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec, int channels) { unsigned int chanmask; int chan = channels ? (channels - 1) : 1; switch (channels) { default: case 0: case 2: chanmask = 0x00; break; case 4: chanmask = 0x08; break; case 6: chanmask = 0x0b; break; case 8: chanmask = 0x13; break; } /* Set the audio infoframe channel allocation and checksum fields. The * channel count is computed implicitly by the hardware. */ snd_hda_codec_write(codec, 0x1, 0, Nv_VERB_SET_Channel_Allocation, chanmask); snd_hda_codec_write(codec, 0x1, 0, Nv_VERB_SET_Info_Frame_Checksum, (0x71 - chan - chanmask)); } static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; int i; snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); for (i = 0; i < 4; i++) { /* set the stream id */ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_CHANNEL_STREAMID, 0); /* set the stream format */ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_STREAM_FORMAT, 0); } /* The audio hardware sends a channel count of 0x7 (8ch) when all the * streams are disabled. */ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); return snd_hda_multi_out_dig_close(codec, &spec->multiout); } static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, struct hda_codec *codec, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream) { int chs; unsigned int dataDCC2, channel_id; int i; struct hdmi_spec *spec = codec->spec; struct hda_spdif_out *spdif; struct hdmi_spec_per_cvt *per_cvt; mutex_lock(&codec->spdif_mutex); per_cvt = get_cvt(spec, 0); spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid); chs = substream->runtime->channels; dataDCC2 = 0x2; /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_DIGI_CONVERT_1, spdif->ctls & ~AC_DIG1_ENABLE & 0xff); /* set the stream id */ snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); /* set the stream format */ snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_STREAM_FORMAT, format); /* turn on again (if needed) */ /* enable and set the channel status audio/data flag */ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_DIGI_CONVERT_1, spdif->ctls & 0xff); snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); } for (i = 0; i < 4; i++) { if (chs == 2) channel_id = 0; else channel_id = i * 2; /* turn off SPDIF once; *otherwise the IEC958 bits won't be updated */ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_DIGI_CONVERT_1, spdif->ctls & ~AC_DIG1_ENABLE & 0xff); /* set the stream id */ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | channel_id); /* set the stream format */ snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_STREAM_FORMAT, format); /* turn on again (if needed) */ /* enable and set the channel status audio/data flag */ if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_DIGI_CONVERT_1, spdif->ctls & 0xff); snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); } } nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs); mutex_unlock(&codec->spdif_mutex); return 0; } static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { .substreams = 1, .channels_min = 2, .channels_max = 8, .nid = nvhdmi_master_con_nid_7x, .rates = SUPPORTED_RATES, .maxbps = SUPPORTED_MAXBPS, .formats = SUPPORTED_FORMATS, .ops = { .open = simple_playback_pcm_open, .close = nvhdmi_8ch_7x_pcm_close, .prepare = nvhdmi_8ch_7x_pcm_prepare }, }; static int patch_nvhdmi_2ch(struct hda_codec *codec) { struct hdmi_spec *spec; int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x, nvhdmi_master_pin_nid_7x); if (err < 0) return err; codec->patch_ops.init = nvhdmi_7x_init_2ch; /* override the PCM rates, etc, as the codec doesn't give full list */ spec = codec->spec; spec->pcm_playback.rates = SUPPORTED_RATES; spec->pcm_playback.maxbps = SUPPORTED_MAXBPS; spec->pcm_playback.formats = SUPPORTED_FORMATS; return 0; } static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int err = simple_playback_build_pcms(codec); if (!err) { struct hda_pcm *info = get_pcm_rec(spec, 0); info->own_chmap = true; } return err; } static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; struct hda_pcm *info; struct snd_pcm_chmap *chmap; int err; err = simple_playback_build_controls(codec); if (err < 0) return err; /* add channel maps */ info = get_pcm_rec(spec, 0); err = snd_pcm_add_chmap_ctls(info->pcm, SNDRV_PCM_STREAM_PLAYBACK, snd_pcm_alt_chmaps, 8, 0, &chmap); if (err < 0) return err; switch (codec->preset->vendor_id) { case 0x10de0002: case 0x10de0003: case 0x10de0005: case 0x10de0006: chmap->channel_mask = (1U << 2) | (1U << 8); break; case 0x10de0007: chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); } return 0; } static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) { struct hdmi_spec *spec; int err = patch_nvhdmi_2ch(codec); if (err < 0) return err; spec = codec->spec; spec->multiout.max_channels = 8; spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; codec->patch_ops.init = nvhdmi_7x_init_8ch; codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; /* Initialize the audio infoframe channel mask and checksum to something * valid */ nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); return 0; } /* * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: * - 0x10de0015 * - 0x10de0040 */ static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap, struct hdac_cea_channel_speaker_allocation *cap, int channels) { if (cap->ca_index == 0x00 && channels == 2) return SNDRV_CTL_TLVT_CHMAP_FIXED; /* If the speaker allocation matches the channel count, it is OK. */ if (cap->channels != channels) return -1; /* all channels are remappable freely */ return SNDRV_CTL_TLVT_CHMAP_VAR; } static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, int ca, int chs, unsigned char *map) { if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) return -EINVAL; return 0; } /* map from pin NID to port; port is 0-based */ /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */ static int nvhdmi_pin2port(void *audio_ptr, int pin_nid) { return pin_nid - 4; } /* reverse-map from port to pin NID: see above */ static int nvhdmi_port2pin(struct hda_codec *codec, int port) { return port + 4; } static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = { .pin2port = nvhdmi_pin2port, .pin_eld_notify = generic_acomp_pin_eld_notify, .master_bind = generic_acomp_master_bind, .master_unbind = generic_acomp_master_unbind, }; static int patch_nvhdmi(struct hda_codec *codec) { struct hdmi_spec *spec; int err; err = alloc_generic_hdmi(codec); if (err < 0) return err; codec->dp_mst = true; spec = codec->spec; spec->dyn_pcm_assign = true; err = hdmi_parse_codec(codec); if (err < 0) { generic_spec_free(codec); return err; } generic_hdmi_init_per_pins(codec); spec->dyn_pin_out = true; spec->chmap.ops.chmap_cea_alloc_validate_get_type = nvhdmi_chmap_cea_alloc_validate_get_type; spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; codec->link_down_at_suspend = 1; generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin); return 0; } static int patch_nvhdmi_legacy(struct hda_codec *codec) { struct hdmi_spec *spec; int err; err = patch_generic_hdmi(codec); if (err) return err; spec = codec->spec; spec->dyn_pin_out = true; spec->chmap.ops.chmap_cea_alloc_validate_get_type = nvhdmi_chmap_cea_alloc_validate_get_type; spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; codec->link_down_at_suspend = 1; return 0; } /* * The HDA codec on NVIDIA Tegra contains two scratch registers that are * accessed using vendor-defined verbs. These registers can be used for * interoperability between the HDA and HDMI drivers. */ /* Audio Function Group node */ #define NVIDIA_AFG_NID 0x01 /* * The SCRATCH0 register is used to notify the HDMI codec of changes in audio * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to * be raised in the HDMI codec. The remainder of the bits is arbitrary. This * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an * additional bit (at position 30) to signal the validity of the format. * * | 31 | 30 | 29 16 | 15 0 | * +---------+-------+--------+--------+ * | TRIGGER | VALID | UNUSED | FORMAT | * +-----------------------------------| * * Note that for the trigger bit to take effect it needs to change value * (i.e. it needs to be toggled). */ #define NVIDIA_GET_SCRATCH0 0xfa6 #define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7 #define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8 #define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9 #define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa #define NVIDIA_SCRATCH_TRIGGER (1 << 7) #define NVIDIA_SCRATCH_VALID (1 << 6) #define NVIDIA_GET_SCRATCH1 0xfab #define NVIDIA_SET_SCRATCH1_BYTE0 0xfac #define NVIDIA_SET_SCRATCH1_BYTE1 0xfad #define NVIDIA_SET_SCRATCH1_BYTE2 0xfae #define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf /* * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0, * the format is invalidated so that the HDMI codec can be disabled. */ static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format) { unsigned int value; /* bits [31:30] contain the trigger and valid bits */ value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0, NVIDIA_GET_SCRATCH0, 0); value = (value >> 24) & 0xff; /* bits [15:0] are used to store the HDA format */ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, NVIDIA_SET_SCRATCH0_BYTE0, (format >> 0) & 0xff); snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, NVIDIA_SET_SCRATCH0_BYTE1, (format >> 8) & 0xff); /* bits [16:24] are unused */ snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, NVIDIA_SET_SCRATCH0_BYTE2, 0); /* * Bit 30 signals that the data is valid and hence that HDMI audio can * be enabled. */ if (format == 0) value &= ~NVIDIA_SCRATCH_VALID; else value |= NVIDIA_SCRATCH_VALID; /* * Whenever the trigger bit is toggled, an interrupt is raised in the * HDMI codec. The HDMI driver will use that as trigger to update its * configuration. */ value ^= NVIDIA_SCRATCH_TRIGGER; snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, NVIDIA_SET_SCRATCH0_BYTE3, value); } static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo, struct hda_codec *codec, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream) { int err; err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag, format, substream); if (err < 0) return err; /* notify the HDMI codec of the format change */ tegra_hdmi_set_format(codec, format); return 0; } static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { /* invalidate the format in the HDMI codec */ tegra_hdmi_set_format(codec, 0); return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream); } static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type) { struct hdmi_spec *spec = codec->spec; unsigned int i; for (i = 0; i < spec->num_pins; i++) { struct hda_pcm *pcm = get_pcm_rec(spec, i); if (pcm->pcm_type == type) return pcm; } return NULL; } static int tegra_hdmi_build_pcms(struct hda_codec *codec) { struct hda_pcm_stream *stream; struct hda_pcm *pcm; int err; err = generic_hdmi_build_pcms(codec); if (err < 0) return err; pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI); if (!pcm) return -ENODEV; /* * Override ->prepare() and ->cleanup() operations to notify the HDMI * codec about format changes. */ stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK]; stream->ops.prepare = tegra_hdmi_pcm_prepare; stream->ops.cleanup = tegra_hdmi_pcm_cleanup; return 0; } static int patch_tegra_hdmi(struct hda_codec *codec) { struct hdmi_spec *spec; int err; err = patch_generic_hdmi(codec); if (err) return err; codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; spec = codec->spec; spec->chmap.ops.chmap_cea_alloc_validate_get_type = nvhdmi_chmap_cea_alloc_validate_get_type; spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; return 0; } /* * ATI/AMD-specific implementations */ #define is_amdhdmi_rev3_or_later(codec) \ ((codec)->core.vendor_id == 0x1002aa01 && \ ((codec)->core.revision_id & 0xff00) >= 0x0300) #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 #define ATI_VERB_SET_DOWNMIX_INFO 0x772 #define ATI_VERB_SET_MULTICHANNEL_01 0x777 #define ATI_VERB_SET_MULTICHANNEL_23 0x778 #define ATI_VERB_SET_MULTICHANNEL_45 0x779 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a #define ATI_VERB_SET_HBR_CONTROL 0x77c #define ATI_VERB_SET_MULTICHANNEL_1 0x785 #define ATI_VERB_SET_MULTICHANNEL_3 0x786 #define ATI_VERB_SET_MULTICHANNEL_5 0x787 #define ATI_VERB_SET_MULTICHANNEL_7 0x788 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a #define ATI_VERB_GET_HBR_CONTROL 0xf7c #define ATI_VERB_GET_MULTICHANNEL_1 0xf85 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 /* AMD specific HDA cvt verbs */ #define ATI_VERB_SET_RAMP_RATE 0x770 #define ATI_VERB_GET_RAMP_RATE 0xf70 #define ATI_OUT_ENABLE 0x1 #define ATI_MULTICHANNEL_MODE_PAIRED 0 #define ATI_MULTICHANNEL_MODE_SINGLE 1 #define ATI_HBR_CAPABLE 0x01 #define ATI_HBR_ENABLE 0x10 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, int dev_id, unsigned char *buf, int *eld_size) { WARN_ON(dev_id != 0); /* call hda_eld.c ATI/AMD-specific function */ return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, is_amdhdmi_rev3_or_later(codec)); } static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, int ca, int active_channels, int conn_type) { WARN_ON(dev_id != 0); snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); } static int atihdmi_paired_swap_fc_lfe(int pos) { /* * ATI/AMD have automatic FC/LFE swap built-in * when in pairwise mapping mode. */ switch (pos) { /* see channel_allocations[].speakers[] */ case 2: return 3; case 3: return 2; default: break; } return pos; } static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap, int ca, int chs, unsigned char *map) { struct hdac_cea_channel_speaker_allocation *cap; int i, j; /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ cap = snd_hdac_get_ch_alloc_from_ca(ca); for (i = 0; i < chs; ++i) { int mask = snd_hdac_chmap_to_spk_mask(map[i]); bool ok = false; bool companion_ok = false; if (!mask) continue; for (j = 0 + i % 2; j < 8; j += 2) { int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); if (cap->speakers[chan_idx] == mask) { /* channel is in a supported position */ ok = true; if (i % 2 == 0 && i + 1 < chs) { /* even channel, check the odd companion */ int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]); int comp_mask_act = cap->speakers[comp_chan_idx]; if (comp_mask_req == comp_mask_act) companion_ok = true; else return -EINVAL; } break; } } if (!ok) return -EINVAL; if (companion_ok) i++; /* companion channel already checked */ } return 0; } static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac, hda_nid_t pin_nid, int hdmi_slot, int stream_channel) { struct hda_codec *codec = hdac_to_hda_codec(hdac); int verb; int ati_channel_setup = 0; if (hdmi_slot > 7) return -EINVAL; if (!has_amd_full_remap_support(codec)) { hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); /* In case this is an odd slot but without stream channel, do not * disable the slot since the corresponding even slot could have a * channel. In case neither have a channel, the slot pair will be * disabled when this function is called for the even slot. */ if (hdmi_slot % 2 != 0 && stream_channel == 0xf) return 0; hdmi_slot -= hdmi_slot % 2; if (stream_channel != 0xf) stream_channel -= stream_channel % 2; } verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ if (stream_channel != 0xf) ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); } static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac, hda_nid_t pin_nid, int asp_slot) { struct hda_codec *codec = hdac_to_hda_codec(hdac); bool was_odd = false; int ati_asp_slot = asp_slot; int verb; int ati_channel_setup; if (asp_slot > 7) return -EINVAL; if (!has_amd_full_remap_support(codec)) { ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); if (ati_asp_slot % 2 != 0) { ati_asp_slot -= 1; was_odd = true; } } verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); if (!(ati_channel_setup & ATI_OUT_ENABLE)) return 0xf; return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; } static int atihdmi_paired_chmap_cea_alloc_validate_get_type( struct hdac_chmap *chmap, struct hdac_cea_channel_speaker_allocation *cap, int channels) { int c; /* * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so * we need to take that into account (a single channel may take 2 * channel slots if we need to carry a silent channel next to it). * On Rev3+ AMD codecs this function is not used. */ int chanpairs = 0; /* We only produce even-numbered channel count TLVs */ if ((channels % 2) != 0) return -1; for (c = 0; c < 7; c += 2) { if (cap->speakers[c] || cap->speakers[c+1]) chanpairs++; } if (chanpairs * 2 != channels) return -1; return SNDRV_CTL_TLVT_CHMAP_PAIRED; } static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap, struct hdac_cea_channel_speaker_allocation *cap, unsigned int *chmap, int channels) { /* produce paired maps for pre-rev3 ATI/AMD codecs */ int count = 0; int c; for (c = 7; c >= 0; c--) { int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); int spk = cap->speakers[chan]; if (!spk) { /* add N/A channel if the companion channel is occupied */ if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) chmap[count++] = SNDRV_CHMAP_NA; continue; } chmap[count++] = snd_hdac_spk_to_chmap(spk); } WARN_ON(count != channels); } static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, int dev_id, bool hbr) { int hbr_ctl, hbr_ctl_new; WARN_ON(dev_id != 0); hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) { if (hbr) hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; else hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; codec_dbg(codec, "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n", pin_nid, hbr_ctl == hbr_ctl_new ? "" : "new-", hbr_ctl_new); if (hbr_ctl != hbr_ctl_new) snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_HBR_CONTROL, hbr_ctl_new); } else if (hbr) return -EINVAL; return 0; } static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, hda_nid_t pin_nid, int dev_id, u32 stream_tag, int format) { if (is_amdhdmi_rev3_or_later(codec)) { int ramp_rate = 180; /* default as per AMD spec */ /* disable ramp-up/down for non-pcm as per AMD spec */ if (format & AC_FMT_TYPE_NON_PCM) ramp_rate = 0; snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); } return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, stream_tag, format); } static int atihdmi_init(struct hda_codec *codec) { struct hdmi_spec *spec = codec->spec; int pin_idx, err; err = generic_hdmi_init(codec); if (err) 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); /* make sure downmix information in infoframe is zero */ snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); /* enable channel-wise remap mode if supported */ if (has_amd_full_remap_support(codec)) snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_MULTICHANNEL_MODE, ATI_MULTICHANNEL_MODE_SINGLE); } codec->auto_runtime_pm = 1; return 0; } /* map from pin NID to port; port is 0-based */ /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */ static int atihdmi_pin2port(void *audio_ptr, int pin_nid) { return pin_nid / 2 - 1; } /* reverse-map from port to pin NID: see above */ static int atihdmi_port2pin(struct hda_codec *codec, int port) { return port * 2 + 3; } static const struct drm_audio_component_audio_ops atihdmi_audio_ops = { .pin2port = atihdmi_pin2port, .pin_eld_notify = generic_acomp_pin_eld_notify, .master_bind = generic_acomp_master_bind, .master_unbind = generic_acomp_master_unbind, }; static int patch_atihdmi(struct hda_codec *codec) { struct hdmi_spec *spec; struct hdmi_spec_per_cvt *per_cvt; int err, cvt_idx; err = patch_generic_hdmi(codec); if (err) return err; codec->patch_ops.init = atihdmi_init; spec = codec->spec; spec->ops.pin_get_eld = atihdmi_pin_get_eld; spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; spec->ops.setup_stream = atihdmi_setup_stream; spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; if (!has_amd_full_remap_support(codec)) { /* override to ATI/AMD-specific versions with pairwise mapping */ spec->chmap.ops.chmap_cea_alloc_validate_get_type = atihdmi_paired_chmap_cea_alloc_validate_get_type; spec->chmap.ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap; spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate; } /* ATI/AMD converters do not advertise all of their capabilities */ for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { per_cvt = get_cvt(spec, cvt_idx); per_cvt->channels_max = max(per_cvt->channels_max, 8u); per_cvt->rates |= SUPPORTED_RATES; per_cvt->formats |= SUPPORTED_FORMATS; per_cvt->maxbps = max(per_cvt->maxbps, 24u); } spec->chmap.channels_max = max(spec->chmap.channels_max, 8u); /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing * the link-down as is. Tell the core to allow it. */ codec->link_down_at_suspend = 1; generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin); return 0; } /* VIA HDMI Implementation */ #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ static int patch_via_hdmi(struct hda_codec *codec) { return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); } /* * patch entries */ static const struct hda_device_id snd_hda_id_hdmi[] = { HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi), HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi), HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi), HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi), HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch), HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x), HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi_legacy), /* 17 is known to be absent */ HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi_legacy), HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi), HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch), HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP", patch_nvhdmi), HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch), HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch), HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi), HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi), HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi), HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_i915_cpt_hdmi), HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_i915_cpt_hdmi), HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi), HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi), HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI", patch_i915_tgl_hdmi), HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi), HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi), /* special ID for generic HDMI */ HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi), {} /* terminator */ }; MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("HDMI HD-audio codec"); MODULE_ALIAS("snd-hda-codec-intelhdmi"); MODULE_ALIAS("snd-hda-codec-nvhdmi"); MODULE_ALIAS("snd-hda-codec-atihdmi"); static struct hda_codec_driver hdmi_driver = { .id = snd_hda_id_hdmi, }; module_hda_codec_driver(hdmi_driver);