diff options
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 3970 |
1 files changed, 3970 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c new file mode 100644 index 000000000..d21a4eb1c --- /dev/null +++ b/sound/pci/hda/patch_hdmi.c @@ -0,0 +1,3970 @@ +/* + * + * 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 <wni@nvidia.com> + * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi> + * + * Authors: + * Wu Fengguang <wfg@linux.intel.com> + * + * Maintained by: + * Wu Fengguang <wfg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/asoundef.h> +#include <sound/tlv.h> +#include <sound/hdaudio.h> +#include <sound/hda_i915.h> +#include <sound/hda_chmap.h> +#include "hda_codec.h" +#include "hda_local.h" +#include "hda_jack.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"); + +#define is_haswell(codec) ((codec)->core.vendor_id == 0x80862807) +#define is_broadwell(codec) ((codec)->core.vendor_id == 0x80862808) +#define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809) +#define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a) +#define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b) +#define is_geminilake(codec) (((codec)->core.vendor_id == 0x8086280d) || \ + ((codec)->core.vendor_id == 0x80862800)) +#define is_cannonlake(codec) ((codec)->core.vendor_id == 0x8086280c) +#define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \ + || is_skylake(codec) || is_broxton(codec) \ + || is_kabylake(codec)) || is_geminilake(codec) \ + || is_cannonlake(codec) +#define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882) +#define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883) +#define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec)) + +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 */ + 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, + unsigned char *buf, int *eld_size); + + void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, + 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, bool hbr); + + int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, + hda_nid_t pin_nid, 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 { + 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; + /* 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; + /* + * Non-generic VIA/NVIDIA specific + */ + struct hda_multi_out multiout; + struct hda_pcm_stream pcm_playback; + + /* i915/powerwell (Haswell+/Valleyview+) specific */ + bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */ + struct drm_audio_component_audio_ops drm_audio_ops; + + struct hdac_chmap chmap; + hda_nid_t vendor_nid; +}; + +#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 %d 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 registered\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 not registered\n", 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 %d 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, + .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; + + if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0) + != AC_DIPXMIT_BEST) + return false; + + hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); + 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 void hdmi_pin_setup_infoframe(struct hda_codec *codec, + hda_nid_t pin_nid, + 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 %d\n", + pin_nid); + return; + } + + /* + * 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, + "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n", + 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 channels = per_pin->channels; + int active_channels; + struct hdmi_eld *eld; + int ca; + + if (!channels) + return; + + /* 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, ca, active_channels, + eld->info.conn_type); + + per_pin->non_pcm = non_pcm; +} + +/* + * Unsolicited events + */ + +static bool 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); + if (hdmi_present_sense(get_pin(spec, pin_idx), 1)) + snd_hda_jack_report_sync(codec); + mutex_unlock(&spec->pcm_lock); +} + +static void jack_callback(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + /* hda_jack don't support DP MST */ + check_presence_and_report(codec, jack->nid, 0); +} + +static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) +{ + int tag = res >> AC_UNSOL_RES_TAG_SHIFT; + struct hda_jack_tbl *jack; + int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; + + /* + * assume DP MST uses dyn_pcm_assign and acomp and + * never comes here + * if DP MST supports unsol event, below code need + * consider dev_entry + */ + jack = snd_hda_jack_tbl_get_from_tag(codec, tag); + if (!jack) + return; + jack->jack_dirty = 1; + + codec_dbg(codec, + "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", + codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA), + !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); + + /* hda_jack don't support DP MST */ + check_presence_and_report(codec, jack->nid, 0); +} + +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; + + if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) { + codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); + return; + } + + if (subtag == 0) + hdmi_intrinsic_event(codec, res); + 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 pin 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, + bool hbr) +{ + int pinctl, new_pinctl; + + if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { + 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, 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, is_hbr_format(format)); + + if (err) { + codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); + return err; + } + + if (is_haswell_plus(codec)) { + + /* + * 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); + + /* 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 %d\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; + + 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; + + if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { + codec_warn(codec, + "HDMI: pin %d wcaps %#x does not support connection list\n", + pin_nid, get_wcaps(codec, pin_nid)); + return -EINVAL; + } + + /* all the device entries on the same pin have the same conn list */ + per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid, + per_pin->mux_nids, + HDA_MAX_CONNECTIONS); + + return 0; +} + +static int hdmi_find_pcm_slot(struct hdmi_spec *spec, + struct hdmi_spec_per_pin *per_pin) +{ + int i; + + /* try the prefer PCM */ + if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap)) + return per_pin->pin_nid_idx; + + /* have a second try; check the "reserved area" over num_pins */ + for (i = spec->num_nids; i < spec->pcm_used; i++) { + if (!test_bit(i, &spec->pcm_bitmap)) + return i; + } + + /* 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; +} + +/* update per_pin ELD from the given new ELD; + * setup info frame and notification accordingly + */ +static void update_eld(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin, + struct hdmi_eld *eld) +{ + struct hdmi_eld *pin_eld = &per_pin->sink_eld; + struct hdmi_spec *spec = codec->spec; + bool old_eld_valid = pin_eld->eld_valid; + bool eld_changed; + int pcm_idx = -1; + + /* for monitor disconnection, save pcm_idx firstly */ + pcm_idx = per_pin->pcm_idx; + 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 (eld->eld_valid) + snd_hdmi_show_eld(codec, &eld->info); + + eld_changed = (pin_eld->eld_valid != eld->eld_valid); + if (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; + + 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); +} + +/* update ELD and jack state via HD-audio verbs */ +static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin, + int repoll) +{ + struct hda_jack_tbl *jack; + 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; + /* + * 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; + bool ret; + bool do_repoll = false; + + present = snd_hda_pin_sense(codec, pin_nid); + + 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 Pin=%d 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, eld->eld_buffer, + &eld->eld_size) < 0) + eld->eld_valid = false; + else { + if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, + eld->eld_size) < 0) + eld->eld_valid = false; + } + if (!eld->eld_valid && repoll) + do_repoll = true; + } + + if (do_repoll) + schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300)); + else + update_eld(codec, per_pin, eld); + + ret = !repoll || !eld->monitor_present || eld->eld_valid; + + jack = snd_hda_jack_tbl_get(codec, pin_nid); + if (jack) { + jack->block_report = !ret; + jack->pin_sense = (eld->monitor_present && eld->eld_valid) ? + AC_PINSENSE_PRESENCE : 0; + } + mutex_unlock(&per_pin->lock); + return ret; +} + +static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec, + struct hdmi_spec_per_pin *per_pin) +{ + struct hdmi_spec *spec = codec->spec; + struct snd_jack *jack = NULL; + struct hda_jack_tbl *jack_tbl; + + /* if !dyn_pcm_assign, get jack from hda_jack_tbl + * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not + * NULL even after snd_hda_jack_tbl_clear() is called to + * free snd_jack. This may cause access invalid memory + * when calling snd_jack_report + */ + if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign) + jack = spec->pcm_rec[per_pin->pcm_idx].jack; + else if (!spec->dyn_pcm_assign) { + /* + * jack tbl doesn't support DP MST + * DP MST will use dyn_pcm_assign, + * so DP MST will never come here + */ + jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid); + if (jack_tbl) + jack = jack_tbl->jack; + } + return jack; +} + +/* 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; + struct snd_jack *jack = NULL; + int size; + + mutex_lock(&per_pin->lock); + eld->monitor_present = false; + 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); + if (size > 0) { + size = min(size, ELD_MAX_SIZE); + if (snd_hdmi_parse_eld(codec, &eld->info, + eld->eld_buffer, size) < 0) + size = -EINVAL; + } + + if (size > 0) { + eld->eld_valid = true; + eld->eld_size = size; + } else { + eld->eld_valid = false; + eld->eld_size = 0; + } + + /* pcm_idx >=0 before update_eld() means it is in monitor + * disconnected event. Jack must be fetched before update_eld() + */ + jack = pin_idx_to_jack(codec, per_pin); + update_eld(codec, per_pin, eld); + if (jack == NULL) + jack = pin_idx_to_jack(codec, per_pin); + if (jack == NULL) + goto unlock; + snd_jack_report(jack, + eld->monitor_present ? SND_JACK_AVOUT : 0); + unlock: + mutex_unlock(&per_pin->lock); +} + +static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) +{ + struct hda_codec *codec = per_pin->codec; + int ret; + + /* no temporary power up/down needed for component notifier */ + if (!codec_has_acomp(codec)) { + ret = snd_hda_power_up_pm(codec); + if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) { + snd_hda_power_down_pm(codec); + return false; + } + } + + if (codec_has_acomp(codec)) { + sync_eld_via_acomp(codec, per_pin); + ret = false; /* don't call snd_hda_jack_report_sync() */ + } else { + ret = hdmi_present_sense_via_verbs(per_pin, repoll); + } + + if (!codec_has_acomp(codec)) + snd_hda_power_down_pm(codec); + + return ret; +} + +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(codec, per_pin->pin_nid); + if (jack) + jack->jack_dirty = 1; + + if (per_pin->repoll_count++ > 6) + per_pin->repoll_count = 0; + + mutex_lock(&spec->pcm_lock); + if (hdmi_present_sense(per_pin, per_pin->repoll_count)) + snd_hda_jack_report_sync(per_pin->codec); + mutex_unlock(&spec->pcm_lock); +} + +static void intel_haswell_fixup_connect_list(struct hda_codec *codec, + hda_nid_t nid); + +static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) +{ + struct hdmi_spec *spec = codec->spec; + 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) + return 0; + + /* + * To simplify the implementation, malloc all + * the virtual pins in the initialization statically + */ + if (is_haswell_plus(codec)) { + /* + * On Intel platforms, device entries number is + * changed dynamically. If there is a DP MST + * hub connected, the device entries number is 3. + * Otherwise, it is 1. + * Here we manually set dev_num to 3, so that + * we can initialize all the device entries when + * bootup statically. + */ + dev_num = 3; + spec->dev_num = 3; + } 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); + if (is_haswell_plus(codec)) + intel_haswell_fixup_connect_list(codec, pin_nid); + 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 int hdmi_parse_codec(struct hda_codec *codec) +{ + hda_nid_t nid; + int i, nodes; + + nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid); + if (!nid || nodes < 0) { + codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); + return -EINVAL; + } + + for (i = 0; i < nodes; i++, nid++) { + unsigned int caps; + unsigned int type; + + caps = get_wcaps(codec, nid); + type = get_wcaps_type(caps); + + if (!(caps & AC_WCAP_DIGITAL)) + continue; + + switch (type) { + case AC_WID_AUD_OUT: + hdmi_add_cvt(codec, nid); + break; + case AC_WID_PIN: + hdmi_add_pin(codec, nid); + break; + } + } + + 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; + hda_nid_t pin_nid; + struct snd_pcm_runtime *runtime = substream->runtime; + bool non_pcm; + int pinctl; + 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); + pin_nid = per_pin->pin_nid; + + /* 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, 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; + + hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); + mutex_unlock(&per_pin->lock); + if (spec->dyn_pin_out) { + pinctl = snd_hda_codec_read(codec, pin_nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + snd_hda_codec_write(codec, 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, pin_nid, + 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); + snd_BUG_ON(!per_cvt->assigned); + per_cvt->assigned = 0; + hinfo->nid = 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) { + 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 = container_of(hdac, struct hda_codec, core); + 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 = container_of(hdac, struct hda_codec, core); + 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 = container_of(hdac, struct hda_codec, core); + 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 = container_of(hdac, struct hda_codec, core); + 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; + + /* + * for non-mst mode, pcm number is the same as before + * for DP MST mode, pcm number is (nid number + dev_num - 1) + * dev_num is the device entry number in a pin + * + */ + for (idx = 0; idx < spec->num_nids + spec->dev_num - 1; 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 add_hdmi_jack_kctl(struct hda_codec *codec, + struct hdmi_spec *spec, + int pcm_idx, + const char *name) +{ + struct snd_jack *jack; + int err; + + err = snd_jack_new(codec->card, name, 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_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; + struct hda_jack_tbl *jack; + int pcmdev = get_pcm_rec(spec, pcm_idx)->device; + bool phantom_jack; + int ret; + + if (pcmdev > 0) + sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); + + if (spec->dyn_pcm_assign) + return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str); + + /* for !dyn_pcm_assign, we still use hda_jack for compatibility */ + /* if !dyn_pcm_assign, it must be non-MST mode. + * This means pcms and pins are statically mapped. + * And pcm_idx is pin_idx. + */ + per_pin = get_pin(spec, pcm_idx); + phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid); + if (phantom_jack) + strncat(hdmi_str, " Phantom", + sizeof(hdmi_str) - strlen(hdmi_str) - 1); + ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, + phantom_jack); + if (ret < 0) + return ret; + jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid); + if (jack == NULL) + return 0; + /* assign jack->jack to pcm_rec[].jack to + * align with dyn_pcm_assign mode + */ + spec->pcm_rec[pcm_idx].jack = jack->jack; + 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; + + 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)) + snd_hda_jack_detect_enable_callback(codec, pin_nid, + codec->jackpoll_interval > 0 ? + jack_callback : NULL); + } + 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 (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_suspend(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { + struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); + cancel_delayed_work_sync(&per_pin->work); + } + return 0; +} + +static int generic_hdmi_resume(struct hda_codec *codec) +{ + struct hdmi_spec *spec = codec->spec; + int pin_idx; + + codec->patch_ops.init(codec); + regcache_sync(codec->core.regmap); + + 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 + .suspend = generic_hdmi_suspend, + .resume = generic_hdmi_resume, +#endif +}; + +static const struct hdmi_ops generic_standard_hdmi_ops = { + .pin_get_eld = snd_hdmi_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->ops = generic_standard_hdmi_ops; + spec->dev_num = 1; /* initialize to 1 */ + mutex_init(&spec->pcm_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; +} + +/* + * Intel codec parsers and helpers + */ + +static void intel_haswell_fixup_connect_list(struct hda_codec *codec, + hda_nid_t nid) +{ + struct hdmi_spec *spec = codec->spec; + hda_nid_t conns[4]; + int nconns; + + nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns)); + if (nconns == spec->num_cvts && + !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t))) + return; + + /* override pins connection list */ + codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid); + snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids); +} + +#define INTEL_VENDOR_NID 0x08 +#define INTEL_GLK_VENDOR_NID 0x0B +#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) +{ + int base_nid = intel_base_nid(audio_ptr); + + if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) + return -1; + return pin_nid - base_nid + 1; /* intel port is 1-based */ +} + +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; + + /* we assume only from port-B to port-D */ + if (port < 1 || port > 3) + return; + + pin_nid = port + intel_base_nid(codec) - 1; /* intel port is 1-based */ + + /* 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); +} + +/* 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->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 = intel_pin2port; + spec->drm_audio_ops.pin_eld_notify = intel_pin_eld_notify; + 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, u32 stream_tag, int format) +{ + haswell_verify_D0(codec, cvt_nid, pin_nid); + return hdmi_setup_stream(codec, cvt_nid, pin_nid, 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) +{ + 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; + + intel_haswell_enable_all_pins(codec, true); + intel_haswell_fixup_enable_dp12(codec); + + /* For Haswell/Broadwell, the controller is also in the power well and + * can cover the codec power request, and so need not set this flag. + */ + if (!is_haswell(codec) && !is_broadwell(codec)) + codec->core.link_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; + + return parse_intel_hdmi(codec); +} + +static int patch_i915_hsw_hdmi(struct hda_codec *codec) +{ + return intel_hsw_common_init(codec, INTEL_VENDOR_NID); +} + +static int patch_i915_glk_hdmi(struct hda_codec *codec) +{ + return intel_hsw_common_init(codec, INTEL_GLK_VENDOR_NID); +} + +/* 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->core.link_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); + 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; + + 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; +} + +static int patch_nvhdmi(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, + unsigned char *buf, int *eld_size) +{ + /* 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 ca, + int active_channels, int conn_type) +{ + 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 = container_of(hdac, struct hda_codec, core); + 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 = container_of(hdac, struct hda_codec, core); + 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, + bool hbr) +{ + int hbr_ctl, hbr_ctl_new; + + 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, 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, 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); + } + + return 0; +} + +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; + + 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), +HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi), +/* 17 is known to be absent */ +HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi), +HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi), +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(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(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(0x80862800, "Geminilake HDMI", patch_i915_glk_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); |