blob: 2b64fabd5faa5f1e85681592910fd61ad2aa89f9 [file] [log] [blame]
/*
*
* 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 <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_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
|| is_skylake(codec) || is_broxton(codec) \
|| is_kabylake(codec)) || is_geminilake(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 i915_audio_component_audio_ops i915_audio_ops;
struct hdac_chmap chmap;
hda_nid_t vendor_nid;
};
#ifdef CONFIG_SND_HDA_I915
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;
mutex_unlock(&spec->pcm_lock);
return 0;
}
eld = &per_pin->sink_eld;
uinfo->count = eld->eld_valid ? eld->eld_size : 0;
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;
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));
mutex_unlock(&spec->pcm_lock);
return 0;
}
eld = &per_pin->sink_eld;
if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
eld->eld_size > ELD_MAX_SIZE) {
mutex_unlock(&spec->pcm_lock);
snd_BUG();
return -EINVAL;
}
memset(ucontrol->value.bytes.data, 0,
ARRAY_SIZE(ucontrol->value.bytes.data));
if (eld->eld_valid)
memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
eld->eld_size);
mutex_unlock(&spec->pcm_lock);
return 0;
}
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 |= S_IWUSR;
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;
if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
snd_hda_jack_report_sync(codec);
}
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;
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;
}
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)) {
mutex_unlock(&spec->pcm_lock);
return -EINVAL;
}
} 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);
mutex_unlock(&spec->pcm_lock);
return err;
}
}
err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx);
if (err < 0) {
mutex_unlock(&spec->pcm_lock);
return err;
}
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);
mutex_unlock(&spec->pcm_lock);
return -ENODEV;
}
}
mutex_unlock(&spec->pcm_lock);
/* 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/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 (!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;
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;
struct hdmi_spec *spec = codec->spec;
int ret;
/* no temporary power up/down needed for component notifier */
if (!codec_has_acomp(codec))
snd_hda_power_up_pm(codec);
mutex_lock(&spec->pcm_lock);
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);
}
mutex_unlock(&spec->pcm_lock);
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);
if (per_pin->repoll_count++ > 6)
per_pin->repoll_count = 0;
if (hdmi_present_sense(per_pin, per_pin->repoll_count))
snd_hda_jack_report_sync(per_pin->codec);
}
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))
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;
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);
mutex_unlock(&spec->pcm_lock);
return 0;
}
if (snd_BUG_ON(pin_idx < 0)) {
mutex_unlock(&spec->pcm_lock);
return -EINVAL;
}
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);
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;
if (hinfo->nid) {
pcm_idx = hinfo_to_pcm_index(codec, hinfo);
if (snd_BUG_ON(pcm_idx < 0))
return -EINVAL;
cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
if (snd_BUG_ON(cvt_idx < 0))
return -EINVAL;
per_cvt = get_cvt(spec, cvt_idx);
snd_BUG_ON(!per_cvt->assigned);
per_cvt->assigned = 0;
hinfo->nid = 0;
mutex_lock(&spec->pcm_lock);
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) {
mutex_unlock(&spec->pcm_lock);
return 0;
}
if (snd_BUG_ON(pin_idx < 0)) {
mutex_unlock(&spec->pcm_lock);
return -EINVAL;
}
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);
mutex_unlock(&spec->pcm_lock);
}
return 0;
}
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++) {
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);
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_i915_register_notifier(NULL);
for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
cancel_delayed_work_sync(&per_pin->work);
eld_proc_free(per_pin);
}
for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
if (spec->pcm_rec[pcm_idx].jack == NULL)
continue;
if (spec->dyn_pcm_assign)
snd_device_free(codec->card,
spec->pcm_rec[pcm_idx].jack);
else
spec->pcm_rec[pcm_idx].jack = NULL;
}
generic_spec_free(codec);
}
#ifdef CONFIG_PM
static int generic_hdmi_resume(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
int pin_idx;
codec->patch_ops.init(codec);
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
.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);
}
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;
switch (codec->core.vendor_id) {
case 0x80860054: /* ILK */
case 0x80862804: /* ILK */
case 0x80862882: /* VLV */
pin_nid = port + 0x03;
break;
default:
pin_nid = port + 0x04;
break;
}
/* 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 (atomic_read(&(codec)->core.in_pm))
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->i915_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->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
}
/* 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) {
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)
{
/* requires i915 binding */
if (!codec->bus->core.audio_component) {
codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
return -ENODEV;
}
return alloc_generic_hdmi(codec);
}
/* parse and post-process for Intel codecs */
static int parse_intel_hdmi(struct hda_codec *codec)
{
int err;
err = hdmi_parse_codec(codec);
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)
{