Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
 *
 *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
 *  Copyright (c) 2006 ATI Technologies Inc.
 *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
 *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
 *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
 *
 *  Authors:
 *			Wu Fengguang <wfg@linux.intel.com>
 *
 *  Maintained by:
 *			Wu Fengguang <wfg@linux.intel.com>
 */
 
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/asoundef.h>
#include <sound/tlv.h>
#include <sound/hdaudio.h>
#include <sound/hda_i915.h>
#include <sound/hda_chmap.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_jack.h"
#include "hda_controller.h"
 
static bool static_hdmi_pcm;
module_param(static_hdmi_pcm, bool, 0644);
MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
 
static bool enable_acomp = true;
module_param(enable_acomp, bool, 0444);
MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)");
 
static bool enable_silent_stream =
IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM);
module_param(enable_silent_stream, bool, 0644);
MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices");
 
struct hdmi_spec_per_cvt {
<------>hda_nid_t cvt_nid;
<------>int assigned;
<------>unsigned int channels_min;
<------>unsigned int channels_max;
<------>u32 rates;
<------>u64 formats;
<------>unsigned int maxbps;
};
 
/* max. connections to a widget */
#define HDA_MAX_CONNECTIONS	32
 
struct hdmi_spec_per_pin {
<------>hda_nid_t pin_nid;
<------>int dev_id;
<------>/* pin idx, different device entries on the same pin use the same idx */
<------>int pin_nid_idx;
<------>int num_mux_nids;
<------>hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
<------>int mux_idx;
<------>hda_nid_t cvt_nid;
 
<------>struct hda_codec *codec;
<------>struct hdmi_eld sink_eld;
<------>struct mutex lock;
<------>struct delayed_work work;
<------>struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
<------>int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
<------>int repoll_count;
<------>bool setup; /* the stream has been set up by prepare callback */
<------>bool silent_stream;
<------>int channels; /* current number of channels */
<------>bool non_pcm;
<------>bool chmap_set;		/* channel-map override by ALSA API? */
<------>unsigned char chmap[8]; /* ALSA API channel-map */
#ifdef CONFIG_SND_PROC_FS
<------>struct snd_info_entry *proc_entry;
#endif
};
 
/* operations used by generic code that can be overridden by patches */
struct hdmi_ops {
<------>int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------>   int dev_id, unsigned char *buf, int *eld_size);
 
<------>void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------>    int dev_id,
<------><------><------><------>    int ca, int active_channels, int conn_type);
 
<------>/* enable/disable HBR (HD passthrough) */
<------>int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------>     int dev_id, bool hbr);
 
<------>int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
<------><------><------>    hda_nid_t pin_nid, int dev_id, u32 stream_tag,
<------><------><------>    int format);
 
<------>void (*pin_cvt_fixup)(struct hda_codec *codec,
<------><------><------>      struct hdmi_spec_per_pin *per_pin,
<------><------><------>      hda_nid_t cvt_nid);
};
 
struct hdmi_pcm {
<------>struct hda_pcm *pcm;
<------>struct snd_jack *jack;
<------>struct snd_kcontrol *eld_ctl;
};
 
struct hdmi_spec {
<------>struct hda_codec *codec;
<------>int num_cvts;
<------>struct snd_array cvts; /* struct hdmi_spec_per_cvt */
<------>hda_nid_t cvt_nids[4]; /* only for haswell fix */
 
<------>/*
<------> * num_pins is the number of virtual pins
<------> * for example, there are 3 pins, and each pin
<------> * has 4 device entries, then the num_pins is 12
<------> */
<------>int num_pins;
<------>/*
<------> * num_nids is the number of real pins
<------> * In the above example, num_nids is 3
<------> */
<------>int num_nids;
<------>/*
<------> * dev_num is the number of device entries
<------> * on each pin.
<------> * In the above example, dev_num is 4
<------> */
<------>int dev_num;
<------>struct snd_array pins; /* struct hdmi_spec_per_pin */
<------>struct hdmi_pcm pcm_rec[16];
<------>struct mutex pcm_lock;
<------>struct mutex bind_lock; /* for audio component binding */
<------>/* pcm_bitmap means which pcms have been assigned to pins*/
<------>unsigned long pcm_bitmap;
<------>int pcm_used;	/* counter of pcm_rec[] */
<------>/* bitmap shows whether the pcm is opened in user space
<------> * bit 0 means the first playback PCM (PCM3);
<------> * bit 1 means the second playback PCM, and so on.
<------> */
<------>unsigned long pcm_in_use;
 
<------>struct hdmi_eld temp_eld;
<------>struct hdmi_ops ops;
 
<------>bool dyn_pin_out;
<------>bool dyn_pcm_assign;
<------>bool intel_hsw_fixup;	/* apply Intel platform-specific fixups */
<------>/*
<------> * Non-generic VIA/NVIDIA specific
<------> */
<------>struct hda_multi_out multiout;
<------>struct hda_pcm_stream pcm_playback;
 
<------>bool use_acomp_notifier; /* use eld_notify callback for hotplug */
<------>bool acomp_registered; /* audio component registered in this driver */
<------>bool force_connect; /* force connectivity */
<------>struct drm_audio_component_audio_ops drm_audio_ops;
<------>int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */
 
<------>struct hdac_chmap chmap;
<------>hda_nid_t vendor_nid;
<------>const int *port_map;
<------>int port_num;
<------>bool send_silent_stream; /* Flag to enable silent stream feature */
};
 
#ifdef CONFIG_SND_HDA_COMPONENT
static inline bool codec_has_acomp(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>return spec->use_acomp_notifier;
}
#else
#define codec_has_acomp(codec)	false
#endif
 
struct hdmi_audio_infoframe {
<------>u8 type; /* 0x84 */
<------>u8 ver;  /* 0x01 */
<------>u8 len;  /* 0x0a */
 
<------>u8 checksum;
 
<------>u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */
<------>u8 SS01_SF24;
<------>u8 CXT04;
<------>u8 CA;
<------>u8 LFEPBL01_LSV36_DM_INH7;
};
 
struct dp_audio_infoframe {
<------>u8 type; /* 0x84 */
<------>u8 len;  /* 0x1b */
<------>u8 ver;  /* 0x11 << 2 */
 
<------>u8 CC02_CT47;	/* match with HDMI infoframe from this on */
<------>u8 SS01_SF24;
<------>u8 CXT04;
<------>u8 CA;
<------>u8 LFEPBL01_LSV36_DM_INH7;
};
 
union audio_infoframe {
<------>struct hdmi_audio_infoframe hdmi;
<------>struct dp_audio_infoframe dp;
<------>u8 bytes[0];
};
 
/*
 * HDMI routines
 */
 
#define get_pin(spec, idx) \
<------>((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
#define get_cvt(spec, idx) \
<------>((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
/* obtain hdmi_pcm object assigned to idx */
#define get_hdmi_pcm(spec, idx)	(&(spec)->pcm_rec[idx])
/* obtain hda_pcm object assigned to idx */
#define get_pcm_rec(spec, idx)	(get_hdmi_pcm(spec, idx)->pcm)
 
static int pin_id_to_pin_index(struct hda_codec *codec,
<------><------><------>       hda_nid_t pin_nid, int dev_id)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx;
<------>struct hdmi_spec_per_pin *per_pin;
 
<------>/*
<------> * (dev_id == -1) means it is NON-MST pin
<------> * return the first virtual pin on this port
<------> */
<------>if (dev_id == -1)
<------><------>dev_id = 0;
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>per_pin = get_pin(spec, pin_idx);
<------><------>if ((per_pin->pin_nid == pin_nid) &&
<------><------><------>(per_pin->dev_id == dev_id))
<------><------><------>return pin_idx;
<------>}
 
<------>codec_warn(codec, "HDMI: pin nid %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 tied to a PCM\n", hinfo);
<------>return -EINVAL;
}
 
static int hinfo_to_pin_index(struct hda_codec *codec,
<------><------><------>      struct hda_pcm_stream *hinfo)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin;
<------>int pin_idx;
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>per_pin = get_pin(spec, pin_idx);
<------><------>if (per_pin->pcm &&
<------><------><------>per_pin->pcm->pcm->stream == hinfo)
<------><------><------>return pin_idx;
<------>}
 
<------>codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo,
<------><------>  hinfo_to_pcm_index(codec, hinfo));
<------>return -EINVAL;
}
 
static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
<------><------><------><------><------><------>int pcm_idx)
{
<------>int i;
<------>struct hdmi_spec_per_pin *per_pin;
 
<------>for (i = 0; i < spec->num_pins; i++) {
<------><------>per_pin = get_pin(spec, i);
<------><------>if (per_pin->pcm_idx == pcm_idx)
<------><------><------>return per_pin;
<------>}
<------>return NULL;
}
 
static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int cvt_idx;
 
<------>for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
<------><------>if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
<------><------><------>return cvt_idx;
 
<------>codec_warn(codec, "HDMI: cvt nid %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 |
<------><------>SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK,
<------>.iface = SNDRV_CTL_ELEM_IFACE_PCM,
<------>.name = "ELD",
<------>.info = hdmi_eld_ctl_info,
<------>.get = hdmi_eld_ctl_get,
};
 
static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
<------><------><------>int device)
{
<------>struct snd_kcontrol *kctl;
<------>struct hdmi_spec *spec = codec->spec;
<------>int err;
 
<------>kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
<------>if (!kctl)
<------><------>return -ENOMEM;
<------>kctl->private_value = pcm_idx;
<------>kctl->id.device = device;
 
<------>/* no pin nid is associated with the kctl now
<------> * tbd: associate pin nid to eld ctl later
<------> */
<------>err = snd_hda_ctl_add(codec, 0, kctl);
<------>if (err < 0)
<------><------>return err;
 
<------>get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
<------>return 0;
}
 
#ifdef BE_PARANOID
static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------>int *packet_index, int *byte_index)
{
<------>int val;
 
<------>val = snd_hda_codec_read(codec, pin_nid, 0,
<------><------><------><------> AC_VERB_GET_HDMI_DIP_INDEX, 0);
 
<------>*packet_index = val >> 5;
<------>*byte_index = val & 0x1f;
}
#endif
 
static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------>int packet_index, int byte_index)
{
<------>int val;
 
<------>val = (packet_index << 5) | (byte_index & 0x1f);
 
<------>snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
}
 
static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------>unsigned char val)
{
<------>snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
}
 
static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_out;
 
<------>/* Unmute */
<------>if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
<------><------>snd_hda_codec_write(codec, pin_nid, 0,
<------><------><------><------>AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 
<------>if (spec->dyn_pin_out)
<------><------>/* Disable pin out until stream is active */
<------><------>pin_out = 0;
<------>else
<------><------>/* Enable pin out: some machines with GM965 gets broken output
<------><------> * when the pin is disabled or changed while using with HDMI
<------><------> */
<------><------>pin_out = PIN_OUT;
 
<------>snd_hda_codec_write(codec, pin_nid, 0,
<------><------><------>    AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
}
 
/*
 * ELD proc files
 */
 
#ifdef CONFIG_SND_PROC_FS
static void print_eld_info(struct snd_info_entry *entry,
<------><------><------>   struct snd_info_buffer *buffer)
{
<------>struct hdmi_spec_per_pin *per_pin = entry->private_data;
 
<------>mutex_lock(&per_pin->lock);
<------>snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
<------>mutex_unlock(&per_pin->lock);
}
 
static void write_eld_info(struct snd_info_entry *entry,
<------><------><------>   struct snd_info_buffer *buffer)
{
<------>struct hdmi_spec_per_pin *per_pin = entry->private_data;
 
<------>mutex_lock(&per_pin->lock);
<------>snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
<------>mutex_unlock(&per_pin->lock);
}
 
static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
{
<------>char name[32];
<------>struct hda_codec *codec = per_pin->codec;
<------>struct snd_info_entry *entry;
<------>int err;
 
<------>snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
<------>err = snd_card_proc_new(codec->card, name, &entry);
<------>if (err < 0)
<------><------>return err;
 
<------>snd_info_set_text_ops(entry, per_pin, print_eld_info);
<------>entry->c.text.write = write_eld_info;
<------>entry->mode |= 0200;
<------>per_pin->proc_entry = entry;
 
<------>return 0;
}
 
static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
{
<------>if (!per_pin->codec->bus->shutdown) {
<------><------>snd_info_free_entry(per_pin->proc_entry);
<------><------>per_pin->proc_entry = NULL;
<------>}
}
#else
static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
<------><------><------>       int index)
{
<------>return 0;
}
static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
{
}
#endif
 
/*
 * Audio InfoFrame routines
 */
 
/*
 * Enable Audio InfoFrame Transmission
 */
static void hdmi_start_infoframe_trans(struct hda_codec *codec,
<------><------><------><------>       hda_nid_t pin_nid)
{
<------>hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
<------>snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
<------><------><------><------><------><------>AC_DIPXMIT_BEST);
}
 
/*
 * Disable Audio InfoFrame Transmission
 */
static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
<------><------><------><------>      hda_nid_t pin_nid)
{
<------>hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
<------>snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
<------><------><------><------><------><------>AC_DIPXMIT_DISABLE);
}
 
static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
{
#ifdef CONFIG_SND_DEBUG_VERBOSE
<------>int i;
<------>int size;
 
<------>size = snd_hdmi_get_eld_size(codec, pin_nid);
<------>codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
 
<------>for (i = 0; i < 8; i++) {
<------><------>size = snd_hda_codec_read(codec, pin_nid, 0,
<------><------><------><------><------><------>AC_VERB_GET_HDMI_DIP_SIZE, i);
<------><------>codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
<------>}
#endif
}
 
static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
{
#ifdef BE_PARANOID
<------>int i, j;
<------>int size;
<------>int pi, bi;
<------>for (i = 0; i < 8; i++) {
<------><------>size = snd_hda_codec_read(codec, pin_nid, 0,
<------><------><------><------><------><------>AC_VERB_GET_HDMI_DIP_SIZE, i);
<------><------>if (size == 0)
<------><------><------>continue;
 
<------><------>hdmi_set_dip_index(codec, pin_nid, i, 0x0);
<------><------>for (j = 1; j < 1000; j++) {
<------><------><------>hdmi_write_dip_byte(codec, pin_nid, 0x0);
<------><------><------>hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
<------><------><------>if (pi != i)
<------><------><------><------>codec_dbg(codec, "dip index %d: %d != %d\n",
<------><------><------><------><------><------>bi, pi, i);
<------><------><------>if (bi == 0) /* byte index wrapped around */
<------><------><------><------>break;
<------><------>}
<------><------>codec_dbg(codec,
<------><------><------>"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
<------><------><------>i, size, j);
<------>}
#endif
}
 
static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
{
<------>u8 *bytes = (u8 *)hdmi_ai;
<------>u8 sum = 0;
<------>int i;
 
<------>hdmi_ai->checksum = 0;
 
<------>for (i = 0; i < sizeof(*hdmi_ai); i++)
<------><------>sum += bytes[i];
 
<------>hdmi_ai->checksum = -sum;
}
 
static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
<------><------><------><------>      hda_nid_t pin_nid,
<------><------><------><------>      u8 *dip, int size)
{
<------>int i;
 
<------>hdmi_debug_dip_size(codec, pin_nid);
<------>hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 
<------>hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
<------>for (i = 0; i < size; i++)
<------><------>hdmi_write_dip_byte(codec, pin_nid, dip[i]);
}
 
static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------>    u8 *dip, int size)
{
<------>u8 val;
<------>int i;
 
<------>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 int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
<------><------><------>    int dev_id, unsigned char *buf, int *eld_size)
{
<------>snd_hda_set_dev_select(codec, nid, dev_id);
 
<------>return snd_hdmi_get_eld(codec, nid, buf, eld_size);
}
 
static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
<------><------><------><------>     hda_nid_t pin_nid, int dev_id,
<------><------><------><------>     int ca, int active_channels,
<------><------><------><------>     int conn_type)
{
<------>union audio_infoframe ai;
 
<------>memset(&ai, 0, sizeof(ai));
<------>if (conn_type == 0) { /* HDMI */
<------><------>struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 
<------><------>hdmi_ai->type		= 0x84;
<------><------>hdmi_ai->ver		= 0x01;
<------><------>hdmi_ai->len		= 0x0a;
<------><------>hdmi_ai->CC02_CT47	= active_channels - 1;
<------><------>hdmi_ai->CA		= ca;
<------><------>hdmi_checksum_audio_infoframe(hdmi_ai);
<------>} else if (conn_type == 1) { /* DisplayPort */
<------><------>struct dp_audio_infoframe *dp_ai = &ai.dp;
 
<------><------>dp_ai->type		= 0x84;
<------><------>dp_ai->len		= 0x1b;
<------><------>dp_ai->ver		= 0x11 << 2;
<------><------>dp_ai->CC02_CT47	= active_channels - 1;
<------><------>dp_ai->CA		= ca;
<------>} else {
<------><------>codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
<------><------><------>    pin_nid);
<------><------>return;
<------>}
 
<------>snd_hda_set_dev_select(codec, pin_nid, dev_id);
 
<------>/*
<------> * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
<------> * sizeof(*dp_ai) to avoid partial match/update problems when
<------> * the user switches between HDMI/DP monitors.
<------> */
<------>if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
<------><------><------><------><------>sizeof(ai))) {
<------><------>codec_dbg(codec,
<------><------><------>  "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 dev_id = per_pin->dev_id;
<------>int channels = per_pin->channels;
<------>int active_channels;
<------>struct hdmi_eld *eld;
<------>int ca;
 
<------>if (!channels)
<------><------>return;
 
<------>snd_hda_set_dev_select(codec, pin_nid, dev_id);
 
<------>/* some HW (e.g. HSW+) needs reprogramming the amp at each time */
<------>if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
<------><------>snd_hda_codec_write(codec, pin_nid, 0,
<------><------><------><------><------>    AC_VERB_SET_AMP_GAIN_MUTE,
<------><------><------><------><------>    AMP_OUT_UNMUTE);
 
<------>eld = &per_pin->sink_eld;
 
<------>ca = snd_hdac_channel_allocation(&codec->core,
<------><------><------>eld->info.spk_alloc, channels,
<------><------><------>per_pin->chmap_set, non_pcm, per_pin->chmap);
 
<------>active_channels = snd_hdac_get_active_channels(ca);
 
<------>chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
<------><------><------><------><------><------>active_channels);
 
<------>/*
<------> * always configure channel mapping, it may have been changed by the
<------> * user in the meantime
<------> */
<------>snd_hdac_setup_channel_mapping(&spec->chmap,
<------><------><------><------>pin_nid, non_pcm, ca, channels,
<------><------><------><------>per_pin->chmap, per_pin->chmap_set);
 
<------>spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id,
<------><------><------><------>      ca, active_channels, eld->info.conn_type);
 
<------>per_pin->non_pcm = non_pcm;
}
 
/*
 * Unsolicited events
 */
 
static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 
static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid,
<------><------><------><------>      int dev_id)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx = pin_id_to_pin_index(codec, nid, dev_id);
 
<------>if (pin_idx < 0)
<------><------>return;
<------>mutex_lock(&spec->pcm_lock);
<------>hdmi_present_sense(get_pin(spec, pin_idx), 1);
<------>mutex_unlock(&spec->pcm_lock);
}
 
static void jack_callback(struct hda_codec *codec,
<------><------><------>  struct hda_jack_callback *jack)
{
<------>/* stop polling when notification is enabled */
<------>if (codec_has_acomp(codec))
<------><------>return;
 
<------>check_presence_and_report(codec, jack->nid, jack->dev_id);
}
 
static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res,
<------><------><------><------> struct hda_jack_tbl *jack)
{
<------>jack->jack_dirty = 1;
 
<------>codec_dbg(codec,
<------><------>"HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
<------><------>codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA),
<------><------>!!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 
<------>check_presence_and_report(codec, jack->nid, jack->dev_id);
}
 
static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
{
<------>int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
<------>int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
<------>int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
<------>int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 
<------>codec_info(codec,
<------><------>"HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
<------><------>codec->addr,
<------><------>tag,
<------><------>subtag,
<------><------>cp_state,
<------><------>cp_ready);
 
<------>/* TODO */
<------>if (cp_state) {
<------><------>;
<------>}
<------>if (cp_ready) {
<------><------>;
<------>}
}
 
 
static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
{
<------>int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
<------>int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
<------>struct hda_jack_tbl *jack;
 
<------>if (codec_has_acomp(codec))
<------><------>return;
 
<------>if (codec->dp_mst) {
<------><------>int dev_entry =
<------><------><------>(res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
 
<------><------>jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry);
<------>} else {
<------><------>jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0);
<------>}
 
<------>if (!jack) {
<------><------>codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
<------><------>return;
<------>}
 
<------>if (subtag == 0)
<------><------>hdmi_intrinsic_event(codec, res, jack);
<------>else
<------><------>hdmi_non_intrinsic_event(codec, res);
}
 
static void haswell_verify_D0(struct hda_codec *codec,
<------><------>hda_nid_t cvt_nid, hda_nid_t nid)
{
<------>int pwr;
 
<------>/* For Haswell, the converter 1/2 may keep in D3 state after bootup,
<------> * thus pins could only choose converter 0 for use. Make sure the
<------> * converters are in correct power state */
<------>if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
<------><------>snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
 
<------>if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
<------><------>snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
<------><------><------><------>    AC_PWRST_D0);
<------><------>msleep(40);
<------><------>pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
<------><------>pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
<------><------>codec_dbg(codec, "Haswell HDMI audio: Power for 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,
<------><------><------>      int dev_id, bool hbr)
{
<------>int pinctl, new_pinctl;
 
<------>if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
<------><------>snd_hda_set_dev_select(codec, pin_nid, dev_id);
<------><------>pinctl = snd_hda_codec_read(codec, pin_nid, 0,
<------><------><------><------><------>    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 
<------><------>if (pinctl < 0)
<------><------><------>return hbr ? -EINVAL : 0;
 
<------><------>new_pinctl = pinctl & ~AC_PINCTL_EPT;
<------><------>if (hbr)
<------><------><------>new_pinctl |= AC_PINCTL_EPT_HBR;
<------><------>else
<------><------><------>new_pinctl |= AC_PINCTL_EPT_NATIVE;
 
<------><------>codec_dbg(codec,
<------><------><------>  "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
<------><------><------>    pin_nid,
<------><------><------>    pinctl == new_pinctl ? "" : "new-",
<------><------><------>    new_pinctl);
 
<------><------>if (pinctl != new_pinctl)
<------><------><------>snd_hda_codec_write(codec, pin_nid, 0,
<------><------><------><------><------>    AC_VERB_SET_PIN_WIDGET_CONTROL,
<------><------><------><------><------>    new_pinctl);
<------>} else if (hbr)
<------><------>return -EINVAL;
 
<------>return 0;
}
 
static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
<------><------><------>      hda_nid_t pin_nid, int dev_id,
<------><------><------>      u32 stream_tag, int format)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>unsigned int param;
<------>int err;
 
<------>err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id,
<------><------><------><------>      is_hbr_format(format));
 
<------>if (err) {
<------><------>codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
<------><------>return err;
<------>}
 
<------>if (spec->intel_hsw_fixup) {
 
<------><------>/*
<------><------> * on recent platforms IEC Coding Type is required for HBR
<------><------> * support, read current Digital Converter settings and set
<------><------> * ICT bitfield if needed.
<------><------> */
<------><------>param = snd_hda_codec_read(codec, cvt_nid, 0,
<------><------><------><------><------>   AC_VERB_GET_DIGI_CONVERT_1, 0);
 
<------><------>param = (param >> 16) & ~(AC_DIG3_ICT);
 
<------><------>/* on recent platforms ICT mode is required for HBR support */
<------><------>if (is_hbr_format(format))
<------><------><------>param |= 0x1;
 
<------><------>snd_hda_codec_write(codec, cvt_nid, 0,
<------><------><------><------>    AC_VERB_SET_DIGI_CONVERT_3, param);
<------>}
 
<------>snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
<------>return 0;
}
 
/* Try to find an available converter
 * If pin_idx is less then zero, just try to find an available converter.
 * Otherwise, try to find an available converter and get the cvt mux index
 * of the pin.
 */
static int hdmi_choose_cvt(struct hda_codec *codec,
<------><------><------>   int pin_idx, int *cvt_id)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin;
<------>struct hdmi_spec_per_cvt *per_cvt = NULL;
<------>int cvt_idx, mux_idx = 0;
 
<------>/* pin_idx < 0 means no pin will be bound to the converter */
<------>if (pin_idx < 0)
<------><------>per_pin = NULL;
<------>else
<------><------>per_pin = get_pin(spec, pin_idx);
 
<------>if (per_pin && per_pin->silent_stream) {
<------><------>cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
<------><------>if (cvt_id)
<------><------><------>*cvt_id = cvt_idx;
<------><------>return 0;
<------>}
 
<------>/* Dynamically assign converter to stream */
<------>for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
<------><------>per_cvt = get_cvt(spec, cvt_idx);
 
<------><------>/* Must not already be assigned */
<------><------>if (per_cvt->assigned)
<------><------><------>continue;
<------><------>if (per_pin == NULL)
<------><------><------>break;
<------><------>/* Must be in pin's mux's list of converters */
<------><------>for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
<------><------><------>if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
<------><------><------><------>break;
<------><------>/* Not in mux list */
<------><------>if (mux_idx == per_pin->num_mux_nids)
<------><------><------>continue;
<------><------>break;
<------>}
 
<------>/* No free converters */
<------>if (cvt_idx == spec->num_cvts)
<------><------>return -EBUSY;
 
<------>if (per_pin != NULL)
<------><------>per_pin->mux_idx = mux_idx;
 
<------>if (cvt_id)
<------><------>*cvt_id = cvt_idx;
 
<------>return 0;
}
 
/* Assure the pin select the right convetor */
static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
<------><------><------>struct hdmi_spec_per_pin *per_pin)
{
<------>hda_nid_t pin_nid = per_pin->pin_nid;
<------>int mux_idx, curr;
 
<------>mux_idx = per_pin->mux_idx;
<------>curr = snd_hda_codec_read(codec, pin_nid, 0,
<------><------><------><------><------>  AC_VERB_GET_CONNECT_SEL, 0);
<------>if (curr != mux_idx)
<------><------>snd_hda_codec_write_cache(codec, pin_nid, 0,
<------><------><------><------><------>    AC_VERB_SET_CONNECT_SEL,
<------><------><------><------><------>    mux_idx);
}
 
/* get the mux index for the converter of the pins
 * converter's mux index is the same for all pins on Intel platform
 */
static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
<------><------><------>hda_nid_t cvt_nid)
{
<------>int i;
 
<------>for (i = 0; i < spec->num_cvts; i++)
<------><------>if (spec->cvt_nids[i] == cvt_nid)
<------><------><------>return i;
<------>return -EINVAL;
}
 
/* Intel HDMI workaround to fix audio routing issue:
 * For some Intel display codecs, pins share the same connection list.
 * So a conveter can be selected by multiple pins and playback on any of these
 * pins will generate sound on the external display, because audio flows from
 * the same converter to the display pipeline. Also muting one pin may make
 * other pins have no sound output.
 * So this function assures that an assigned converter for a pin is not selected
 * by any other pins.
 */
static void intel_not_share_assigned_cvt(struct hda_codec *codec,
<------><------><------><------><------> hda_nid_t pin_nid,
<------><------><------><------><------> int dev_id, int mux_idx)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>hda_nid_t nid;
<------>int cvt_idx, curr;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>struct hdmi_spec_per_pin *per_pin;
<------>int pin_idx;
 
<------>/* configure the pins connections */
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>int dev_id_saved;
<------><------>int dev_num;
 
<------><------>per_pin = get_pin(spec, pin_idx);
<------><------>/*
<------><------> * pin not connected to monitor
<------><------> * no need to operate on it
<------><------> */
<------><------>if (!per_pin->pcm)
<------><------><------>continue;
 
<------><------>if ((per_pin->pin_nid == pin_nid) &&
<------><------><------>(per_pin->dev_id == dev_id))
<------><------><------>continue;
 
<------><------>/*
<------><------> * if per_pin->dev_id >= dev_num,
<------><------> * snd_hda_get_dev_select() will fail,
<------><------> * and the following operation is unpredictable.
<------><------> * So skip this situation.
<------><------> */
<------><------>dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1;
<------><------>if (per_pin->dev_id >= dev_num)
<------><------><------>continue;
 
<------><------>nid = per_pin->pin_nid;
 
<------><------>/*
<------><------> * Calling this function should not impact
<------><------> * on the device entry selection
<------><------> * So let's save the dev id for each pin,
<------><------> * and restore it when return
<------><------> */
<------><------>dev_id_saved = snd_hda_get_dev_select(codec, nid);
<------><------>snd_hda_set_dev_select(codec, nid, per_pin->dev_id);
<------><------>curr = snd_hda_codec_read(codec, nid, 0,
<------><------><------><------><------>  AC_VERB_GET_CONNECT_SEL, 0);
<------><------>if (curr != mux_idx) {
<------><------><------>snd_hda_set_dev_select(codec, nid, dev_id_saved);
<------><------><------>continue;
<------><------>}
 
 
<------><------>/* choose an unassigned converter. The conveters in the
<------><------> * connection list are in the same order as in the codec.
<------><------> */
<------><------>for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
<------><------><------>per_cvt = get_cvt(spec, cvt_idx);
<------><------><------>if (!per_cvt->assigned) {
<------><------><------><------>codec_dbg(codec,
<------><------><------><------><------>  "choose cvt %d for pin nid %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;
 
<------>/* flip stripe flag for the assigned stream if supported */
<------>if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE)
<------><------>azx_stream(get_azx_dev(substream))->stripe = 1;
 
<------>snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
<------>snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
<------><------><------>    AC_VERB_SET_CONNECT_SEL,
<------><------><------>    per_pin->mux_idx);
 
<------>/* configure unused pins to choose other converters */
<------>pin_cvt_fixup(codec, per_pin, 0);
 
<------>snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
 
<------>/* Initially set the converter's capabilities */
<------>hinfo->channels_min = per_cvt->channels_min;
<------>hinfo->channels_max = per_cvt->channels_max;
<------>hinfo->rates = per_cvt->rates;
<------>hinfo->formats = per_cvt->formats;
<------>hinfo->maxbps = per_cvt->maxbps;
 
<------>eld = &per_pin->sink_eld;
<------>/* Restrict capabilities by ELD if this isn't disabled */
<------>if (!static_hdmi_pcm && eld->eld_valid) {
<------><------>snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
<------><------>if (hinfo->channels_min > hinfo->channels_max ||
<------><------>    !hinfo->rates || !hinfo->formats) {
<------><------><------>per_cvt->assigned = 0;
<------><------><------>hinfo->nid = 0;
<------><------><------>snd_hda_spdif_ctls_unassign(codec, pcm_idx);
<------><------><------>err = -ENODEV;
<------><------><------>goto unlock;
<------><------>}
<------>}
 
<------>/* Store the updated parameters */
<------>runtime->hw.channels_min = hinfo->channels_min;
<------>runtime->hw.channels_max = hinfo->channels_max;
<------>runtime->hw.formats = hinfo->formats;
<------>runtime->hw.rates = hinfo->rates;
 
<------>snd_pcm_hw_constraint_step(substream->runtime, 0,
<------><------><------><------>   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 unlock:
<------>mutex_unlock(&spec->pcm_lock);
<------>return err;
}
 
/*
 * HDA/HDMI auto parsing
 */
static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
<------>hda_nid_t pin_nid = per_pin->pin_nid;
<------>int dev_id = per_pin->dev_id;
<------>int conns;
 
<------>if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
<------><------>codec_warn(codec,
<------><------><------>   "HDMI: pin %d wcaps %#x does not support connection list\n",
<------><------><------>   pin_nid, get_wcaps(codec, pin_nid));
<------><------>return -EINVAL;
<------>}
 
<------>snd_hda_set_dev_select(codec, pin_nid, dev_id);
 
<------>if (spec->intel_hsw_fixup) {
<------><------>conns = spec->num_cvts;
<------><------>memcpy(per_pin->mux_nids, spec->cvt_nids,
<------><------>       sizeof(hda_nid_t) * conns);
<------>} else {
<------><------>conns = snd_hda_get_raw_connections(codec, pin_nid,
<------><------><------><------><------><------>    per_pin->mux_nids,
<------><------><------><------><------><------>    HDA_MAX_CONNECTIONS);
<------>}
 
<------>/* all the device entries on the same pin have the same conn list */
<------>per_pin->num_mux_nids = conns;
 
<------>return 0;
}
 
static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
<------><------><------>      struct hdmi_spec_per_pin *per_pin)
{
<------>int i;
 
<------>/*
<------> * generic_hdmi_build_pcms() may allocate extra PCMs on some
<------> * platforms (with maximum of 'num_nids + dev_num - 1')
<------> *
<------> * The per_pin of pin_nid_idx=n and dev_id=m prefers to get pcm-n
<------> * if m==0. This guarantees that dynamic pcm assignments are compatible
<------> * with the legacy static per_pin-pcm assignment that existed in the
<------> * days before DP-MST.
<------> *
<------> * Intel DP-MST prefers this legacy behavior for compatibility, too.
<------> *
<------> * per_pin of m!=0 prefers to get pcm=(num_nids + (m - 1)).
<------> */
 
<------>if (per_pin->dev_id == 0 || spec->intel_hsw_fixup) {
<------><------>if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
<------><------><------>return per_pin->pin_nid_idx;
<------>} else {
<------><------>i = spec->num_nids + (per_pin->dev_id - 1);
<------><------>if (i < spec->pcm_used && !(test_bit(i, &spec->pcm_bitmap)))
<------><------><------>return i;
<------>}
 
<------>/* have a second try; check the area over num_nids */
<------>for (i = spec->num_nids; i < spec->pcm_used; i++) {
<------><------>if (!test_bit(i, &spec->pcm_bitmap))
<------><------><------>return i;
<------>}
 
<------>/* the last try; check the empty slots in pins */
<------>for (i = 0; i < spec->num_nids; i++) {
<------><------>if (!test_bit(i, &spec->pcm_bitmap))
<------><------><------>return i;
<------>}
<------>return -EBUSY;
}
 
static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
<------><------><------><------>struct hdmi_spec_per_pin *per_pin)
{
<------>int idx;
 
<------>/* pcm already be attached to the pin */
<------>if (per_pin->pcm)
<------><------>return;
<------>idx = hdmi_find_pcm_slot(spec, per_pin);
<------>if (idx == -EBUSY)
<------><------>return;
<------>per_pin->pcm_idx = idx;
<------>per_pin->pcm = get_hdmi_pcm(spec, idx);
<------>set_bit(idx, &spec->pcm_bitmap);
}
 
static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
<------><------><------><------>struct hdmi_spec_per_pin *per_pin)
{
<------>int idx;
 
<------>/* pcm already be detached from the pin */
<------>if (!per_pin->pcm)
<------><------>return;
<------>idx = per_pin->pcm_idx;
<------>per_pin->pcm_idx = -1;
<------>per_pin->pcm = NULL;
<------>if (idx >= 0 && idx < spec->pcm_used)
<------><------>clear_bit(idx, &spec->pcm_bitmap);
}
 
static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
<------><------>struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
{
<------>int mux_idx;
 
<------>for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
<------><------>if (per_pin->mux_nids[mux_idx] == cvt_nid)
<------><------><------>break;
<------>return mux_idx;
}
 
static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
 
static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
<------><------><------>   struct hdmi_spec_per_pin *per_pin)
{
<------>struct hda_codec *codec = per_pin->codec;
<------>struct hda_pcm *pcm;
<------>struct hda_pcm_stream *hinfo;
<------>struct snd_pcm_substream *substream;
<------>int mux_idx;
<------>bool non_pcm;
 
<------>if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
<------><------>pcm = get_pcm_rec(spec, per_pin->pcm_idx);
<------>else
<------><------>return;
<------>if (!pcm->pcm)
<------><------>return;
<------>if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
<------><------>return;
 
<------>/* hdmi audio only uses playback and one substream */
<------>hinfo = pcm->stream;
<------>substream = pcm->pcm->streams[0].substream;
 
<------>per_pin->cvt_nid = hinfo->nid;
 
<------>mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
<------>if (mux_idx < per_pin->num_mux_nids) {
<------><------>snd_hda_set_dev_select(codec, per_pin->pin_nid,
<------><------><------><------>   per_pin->dev_id);
<------><------>snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
<------><------><------><------>AC_VERB_SET_CONNECT_SEL,
<------><------><------><------>mux_idx);
<------>}
<------>snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
 
<------>non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
<------>if (substream->runtime)
<------><------>per_pin->channels = substream->runtime->channels;
<------>per_pin->setup = true;
<------>per_pin->mux_idx = mux_idx;
 
<------>hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
}
 
static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
<------><------><------>   struct hdmi_spec_per_pin *per_pin)
{
<------>if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
<------><------>snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
 
<------>per_pin->chmap_set = false;
<------>memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
 
<------>per_pin->setup = false;
<------>per_pin->channels = 0;
}
 
static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec,
<------><------><------><------><------>    struct hdmi_spec_per_pin *per_pin)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>if (per_pin->pcm_idx >= 0)
<------><------>return spec->pcm_rec[per_pin->pcm_idx].jack;
<------>else
<------><------>return NULL;
}
 
/* update per_pin ELD from the given new ELD;
 * setup info frame and notification accordingly
 * also notify ELD kctl and report jack status changes
 */
static void update_eld(struct hda_codec *codec,
<------><------>       struct hdmi_spec_per_pin *per_pin,
<------><------>       struct hdmi_eld *eld,
<------><------>       int repoll)
{
<------>struct hdmi_eld *pin_eld = &per_pin->sink_eld;
<------>struct hdmi_spec *spec = codec->spec;
<------>struct snd_jack *pcm_jack;
<------>bool old_eld_valid = pin_eld->eld_valid;
<------>bool eld_changed;
<------>int pcm_idx;
 
<------>if (eld->eld_valid) {
<------><------>if (eld->eld_size <= 0 ||
<------><------>    snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
<------><------><------><------>       eld->eld_size) < 0) {
<------><------><------>eld->eld_valid = false;
<------><------><------>if (repoll) {
<------><------><------><------>schedule_delayed_work(&per_pin->work,
<------><------><------><------><------><------>      msecs_to_jiffies(300));
<------><------><------><------>return;
<------><------><------>}
<------><------>}
<------>}
 
<------>if (!eld->eld_valid || eld->eld_size <= 0) {
<------><------>eld->eld_valid = false;
<------><------>eld->eld_size = 0;
<------>}
 
<------>/* for monitor disconnection, save pcm_idx firstly */
<------>pcm_idx = per_pin->pcm_idx;
 
<------>/*
<------> * pcm_idx >=0 before update_eld() means it is in monitor
<------> * disconnected event. Jack must be fetched before update_eld().
<------> */
<------>pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
 
<------>if (spec->dyn_pcm_assign) {
<------><------>if (eld->eld_valid) {
<------><------><------>hdmi_attach_hda_pcm(spec, per_pin);
<------><------><------>hdmi_pcm_setup_pin(spec, per_pin);
<------><------>} else {
<------><------><------>hdmi_pcm_reset_pin(spec, per_pin);
<------><------><------>hdmi_detach_hda_pcm(spec, per_pin);
<------><------>}
<------>}
<------>/* if pcm_idx == -1, it means this is in monitor connection event
<------> * we can get the correct pcm_idx now.
<------> */
<------>if (pcm_idx == -1)
<------><------>pcm_idx = per_pin->pcm_idx;
<------>if (!pcm_jack)
<------><------>pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
 
<------>if (eld->eld_valid)
<------><------>snd_hdmi_show_eld(codec, &eld->info);
 
<------>eld_changed = (pin_eld->eld_valid != eld->eld_valid);
<------>eld_changed |= (pin_eld->monitor_present != eld->monitor_present);
<------>if (!eld_changed && eld->eld_valid && pin_eld->eld_valid)
<------><------>if (pin_eld->eld_size != eld->eld_size ||
<------><------>    memcmp(pin_eld->eld_buffer, eld->eld_buffer,
<------><------><------>   eld->eld_size) != 0)
<------><------><------>eld_changed = true;
 
<------>if (eld_changed) {
<------><------>pin_eld->monitor_present = eld->monitor_present;
<------><------>pin_eld->eld_valid = eld->eld_valid;
<------><------>pin_eld->eld_size = eld->eld_size;
<------><------>if (eld->eld_valid)
<------><------><------>memcpy(pin_eld->eld_buffer, eld->eld_buffer,
<------><------><------>       eld->eld_size);
<------><------>pin_eld->info = eld->info;
<------>}
 
<------>/*
<------> * Re-setup pin and infoframe. This is needed e.g. when
<------> * - sink is first plugged-in
<------> * - transcoder can change during stream playback on Haswell
<------> *   and this can make HW reset converter selection on a pin.
<------> */
<------>if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
<------><------>pin_cvt_fixup(codec, per_pin, 0);
<------><------>hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
<------>}
 
<------>if (eld_changed && pcm_idx >= 0)
<------><------>snd_ctl_notify(codec->card,
<------><------><------>       SNDRV_CTL_EVENT_MASK_VALUE |
<------><------><------>       SNDRV_CTL_EVENT_MASK_INFO,
<------><------><------>       &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
 
<------>if (eld_changed && pcm_jack)
<------><------>snd_jack_report(pcm_jack,
<------><------><------><------>(eld->monitor_present && eld->eld_valid) ?
<------><------><------><------>SND_JACK_AVOUT : 0);
}
 
/* update ELD and jack state via HD-audio verbs */
static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
<------><------><------><------><------> int repoll)
{
<------>struct hda_codec *codec = per_pin->codec;
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_eld *eld = &spec->temp_eld;
<------>struct device *dev = hda_codec_dev(codec);
<------>hda_nid_t pin_nid = per_pin->pin_nid;
<------>int dev_id = per_pin->dev_id;
<------>/*
<------> * Always execute a GetPinSense verb here, even when called from
<------> * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
<------> * response's PD bit is not the real PD value, but indicates that
<------> * the real PD value changed. An older version of the HD-audio
<------> * specification worked this way. Hence, we just ignore the data in
<------> * the unsolicited response to avoid custom WARs.
<------> */
<------>int present;
<------>int ret;
 
#ifdef	CONFIG_PM
<------>if (dev->power.runtime_status == RPM_SUSPENDING)
<------><------>return;
#endif
 
<------>ret = snd_hda_power_up_pm(codec);
<------>if (ret < 0 && pm_runtime_suspended(dev))
<------><------>goto out;
 
<------>present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id);
 
<------>mutex_lock(&per_pin->lock);
<------>eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
<------>if (eld->monitor_present)
<------><------>eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
<------>else
<------><------>eld->eld_valid = false;
 
<------>codec_dbg(codec,
<------><------>"HDMI status: Codec=%d 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, dev_id,
<------><------><------><------><------>  eld->eld_buffer, &eld->eld_size) < 0)
<------><------><------>eld->eld_valid = false;
<------>}
 
<------>update_eld(codec, per_pin, eld, repoll);
<------>mutex_unlock(&per_pin->lock);
 out:
<------>snd_hda_power_down_pm(codec);
}
 
#define I915_SILENT_RATE		48000
#define I915_SILENT_CHANNELS		2
#define I915_SILENT_FORMAT		SNDRV_PCM_FORMAT_S16_LE
#define I915_SILENT_FORMAT_BITS	16
#define I915_SILENT_FMT_MASK		0xf
 
static void silent_stream_enable(struct hda_codec *codec,
<------><------><------><------> struct hdmi_spec_per_pin *per_pin)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>int cvt_idx, pin_idx, err;
<------>unsigned int format;
 
<------>mutex_lock(&per_pin->lock);
 
<------>if (per_pin->setup) {
<------><------>codec_dbg(codec, "hdmi: PCM already open, no silent stream\n");
<------><------>goto unlock_out;
<------>}
 
<------>pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id);
<------>err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx);
<------>if (err) {
<------><------>codec_err(codec, "hdmi: no free converter to enable silent mode\n");
<------><------>goto unlock_out;
<------>}
 
<------>per_cvt = get_cvt(spec, cvt_idx);
<------>per_cvt->assigned = 1;
<------>per_pin->cvt_nid = per_cvt->cvt_nid;
<------>per_pin->silent_stream = true;
 
<------>codec_dbg(codec, "hdmi: enabling silent stream pin-NID=0x%x cvt-NID=0x%x\n",
<------><------>  per_pin->pin_nid, per_cvt->cvt_nid);
 
<------>snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
<------>snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
<------><------><------><------>  AC_VERB_SET_CONNECT_SEL,
<------><------><------><------>  per_pin->mux_idx);
 
<------>/* configure unused pins to choose other converters */
<------>pin_cvt_fixup(codec, per_pin, 0);
 
<------>snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
<------><------><------><------> per_pin->dev_id, I915_SILENT_RATE);
 
<------>/* trigger silent stream generation in hw */
<------>format = snd_hdac_calc_stream_format(I915_SILENT_RATE, I915_SILENT_CHANNELS,
<------><------><------><------><------>     I915_SILENT_FORMAT, I915_SILENT_FORMAT_BITS, 0);
<------>snd_hda_codec_setup_stream(codec, per_pin->cvt_nid,
<------><------><------><------>   I915_SILENT_FMT_MASK, I915_SILENT_FMT_MASK, format);
<------>usleep_range(100, 200);
<------>snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, 0, format);
 
<------>per_pin->channels = I915_SILENT_CHANNELS;
<------>hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
 
 unlock_out:
<------>mutex_unlock(&per_pin->lock);
}
 
static void silent_stream_disable(struct hda_codec *codec,
<------><------><------><------>  struct hdmi_spec_per_pin *per_pin)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>int cvt_idx;
 
<------>mutex_lock(&per_pin->lock);
<------>if (!per_pin->silent_stream)
<------><------>goto unlock_out;
 
<------>codec_dbg(codec, "HDMI: disable silent stream on pin-NID=0x%x cvt-NID=0x%x\n",
<------><------>  per_pin->pin_nid, per_pin->cvt_nid);
 
<------>cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
<------>if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) {
<------><------>per_cvt = get_cvt(spec, cvt_idx);
<------><------>per_cvt->assigned = 0;
<------>}
 
<------>per_pin->cvt_nid = 0;
<------>per_pin->silent_stream = false;
 
 unlock_out:
<------>mutex_unlock(&per_pin->lock);
}
 
/* update ELD and jack state via audio component */
static void sync_eld_via_acomp(struct hda_codec *codec,
<------><------><------>       struct hdmi_spec_per_pin *per_pin)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_eld *eld = &spec->temp_eld;
<------>bool monitor_prev, monitor_next;
 
<------>mutex_lock(&per_pin->lock);
<------>eld->monitor_present = false;
<------>monitor_prev = per_pin->sink_eld.monitor_present;
<------>eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid,
<------><------><------><------>      per_pin->dev_id, &eld->monitor_present,
<------><------><------><------>      eld->eld_buffer, ELD_MAX_SIZE);
<------>eld->eld_valid = (eld->eld_size > 0);
<------>update_eld(codec, per_pin, eld, 0);
<------>monitor_next = per_pin->sink_eld.monitor_present;
<------>mutex_unlock(&per_pin->lock);
 
<------>/*
<------> * Power-up will call hdmi_present_sense, so the PM calls
<------> * have to be done without mutex held.
<------> */
 
<------>if (spec->send_silent_stream) {
<------><------>int pm_ret;
 
<------><------>if (!monitor_prev && monitor_next) {
<------><------><------>pm_ret = snd_hda_power_up_pm(codec);
<------><------><------>if (pm_ret < 0)
<------><------><------><------>codec_err(codec,
<------><------><------><------>"Monitor plugged-in, Failed to power up codec ret=[%d]\n",
<------><------><------><------>pm_ret);
<------><------><------>silent_stream_enable(codec, per_pin);
<------><------>} else if (monitor_prev && !monitor_next) {
<------><------><------>silent_stream_disable(codec, per_pin);
<------><------><------>pm_ret = snd_hda_power_down_pm(codec);
<------><------><------>if (pm_ret < 0)
<------><------><------><------>codec_err(codec,
<------><------><------><------>"Monitor plugged-out, Failed to power down codec ret=[%d]\n",
<------><------><------><------>pm_ret);
<------><------>}
<------>}
}
 
static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
{
<------>struct hda_codec *codec = per_pin->codec;
 
<------>if (!codec_has_acomp(codec))
<------><------>hdmi_present_sense_via_verbs(per_pin, repoll);
<------>else
<------><------>sync_eld_via_acomp(codec, per_pin);
}
 
static void hdmi_repoll_eld(struct work_struct *work)
{
<------>struct hdmi_spec_per_pin *per_pin =
<------>container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
<------>struct hda_codec *codec = per_pin->codec;
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hda_jack_tbl *jack;
 
<------>jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid,
<------><------><------><------><------>per_pin->dev_id);
<------>if (jack)
<------><------>jack->jack_dirty = 1;
 
<------>if (per_pin->repoll_count++ > 6)
<------><------>per_pin->repoll_count = 0;
 
<------>mutex_lock(&spec->pcm_lock);
<------>hdmi_present_sense(per_pin, per_pin->repoll_count);
<------>mutex_unlock(&spec->pcm_lock);
}
 
static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>unsigned int caps, config;
<------>int pin_idx;
<------>struct hdmi_spec_per_pin *per_pin;
<------>int err;
<------>int dev_num, i;
 
<------>caps = snd_hda_query_pin_caps(codec, pin_nid);
<------>if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
<------><------>return 0;
 
<------>/*
<------> * For DP MST audio, Configuration Default is the same for
<------> * all device entries on the same pin
<------> */
<------>config = snd_hda_codec_get_pincfg(codec, pin_nid);
<------>if (get_defcfg_connect(config) == AC_JACK_PORT_NONE &&
<------>    !spec->force_connect)
<------><------>return 0;
 
<------>/*
<------> * To simplify the implementation, malloc all
<------> * the virtual pins in the initialization statically
<------> */
<------>if (spec->intel_hsw_fixup) {
<------><------>/*
<------><------> * On Intel platforms, device entries 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);
<------><------>err = hdmi_read_pin_conn(codec, pin_idx);
<------><------>if (err < 0)
<------><------><------>return err;
<------><------>spec->num_pins++;
<------>}
<------>spec->num_nids++;
 
<------>return 0;
}
 
static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>unsigned int chans;
<------>int err;
 
<------>chans = get_wcaps(codec, cvt_nid);
<------>chans = get_wcaps_channels(chans);
 
<------>per_cvt = snd_array_new(&spec->cvts);
<------>if (!per_cvt)
<------><------>return -ENOMEM;
 
<------>per_cvt->cvt_nid = cvt_nid;
<------>per_cvt->channels_min = 2;
<------>if (chans <= 16) {
<------><------>per_cvt->channels_max = chans;
<------><------>if (chans > spec->chmap.channels_max)
<------><------><------>spec->chmap.channels_max = chans;
<------>}
 
<------>err = snd_hda_query_supported_pcm(codec, cvt_nid,
<------><------><------><------><------>  &per_cvt->rates,
<------><------><------><------><------>  &per_cvt->formats,
<------><------><------><------><------>  &per_cvt->maxbps);
<------>if (err < 0)
<------><------>return err;
 
<------>if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
<------><------>spec->cvt_nids[spec->num_cvts] = cvt_nid;
<------>spec->num_cvts++;
 
<------>return 0;
}
 
static const struct snd_pci_quirk force_connect_list[] = {
<------>SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1),
<------>SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1),
<------>SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1),
<------>{}
};
 
static int hdmi_parse_codec(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>hda_nid_t start_nid;
<------>unsigned int caps;
<------>int i, nodes;
<------>const struct snd_pci_quirk *q;
 
<------>nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid);
<------>if (!start_nid || nodes < 0) {
<------><------>codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
<------><------>return -EINVAL;
<------>}
 
<------>q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list);
 
<------>if (q && q->value)
<------><------>spec->force_connect = true;
 
<------>/*
<------> * hdmi_add_pin() assumes total amount of converters to
<------> * be known, so first discover all converters
<------> */
<------>for (i = 0; i < nodes; i++) {
<------><------>hda_nid_t nid = start_nid + i;
 
<------><------>caps = get_wcaps(codec, nid);
 
<------><------>if (!(caps & AC_WCAP_DIGITAL))
<------><------><------>continue;
 
<------><------>if (get_wcaps_type(caps) == AC_WID_AUD_OUT)
<------><------><------>hdmi_add_cvt(codec, nid);
<------>}
 
<------>/* discover audio pins */
<------>for (i = 0; i < nodes; i++) {
<------><------>hda_nid_t nid = start_nid + i;
 
<------><------>caps = get_wcaps(codec, nid);
 
<------><------>if (!(caps & AC_WCAP_DIGITAL))
<------><------><------>continue;
 
<------><------>if (get_wcaps_type(caps) == AC_WID_PIN)
<------><------><------>hdmi_add_pin(codec, nid);
<------>}
 
<------>return 0;
}
 
/*
 */
static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
{
<------>struct hda_spdif_out *spdif;
<------>bool non_pcm;
 
<------>mutex_lock(&codec->spdif_mutex);
<------>spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
<------>/* Add sanity check to pass klockwork check.
<------> * This should never happen.
<------> */
<------>if (WARN_ON(spdif == NULL)) {
<------><------>mutex_unlock(&codec->spdif_mutex);
<------><------>return true;
<------>}
<------>non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
<------>mutex_unlock(&codec->spdif_mutex);
<------>return non_pcm;
}
 
/*
 * HDMI callbacks
 */
 
static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
<------><------><------><------><------>   struct hda_codec *codec,
<------><------><------><------><------>   unsigned int stream_tag,
<------><------><------><------><------>   unsigned int format,
<------><------><------><------><------>   struct snd_pcm_substream *substream)
{
<------>hda_nid_t cvt_nid = hinfo->nid;
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx;
<------>struct hdmi_spec_per_pin *per_pin;
<------>struct snd_pcm_runtime *runtime = substream->runtime;
<------>bool non_pcm;
<------>int pinctl, stripe;
<------>int err = 0;
 
<------>mutex_lock(&spec->pcm_lock);
<------>pin_idx = hinfo_to_pin_index(codec, hinfo);
<------>if (spec->dyn_pcm_assign && pin_idx < 0) {
<------><------>/* when dyn_pcm_assign and pcm is not bound to a pin
<------><------> * skip pin setup and return 0 to make audio playback
<------><------> * be ongoing
<------><------> */
<------><------>pin_cvt_fixup(codec, NULL, cvt_nid);
<------><------>snd_hda_codec_setup_stream(codec, cvt_nid,
<------><------><------><------><------>stream_tag, 0, format);
<------><------>goto unlock;
<------>}
 
<------>if (snd_BUG_ON(pin_idx < 0)) {
<------><------>err = -EINVAL;
<------><------>goto unlock;
<------>}
<------>per_pin = get_pin(spec, pin_idx);
 
<------>/* Verify pin:cvt selections to avoid silent audio after S3.
<------> * After S3, the audio driver restores pin:cvt selections
<------> * but this can happen before gfx is ready and such selection
<------> * is overlooked by HW. Thus multiple pins can share a same
<------> * default convertor and mute control will affect each other,
<------> * which can cause a resumed audio playback become silent
<------> * after S3.
<------> */
<------>pin_cvt_fixup(codec, per_pin, 0);
 
<------>/* Call sync_audio_rate to set the N/CTS/M manually if necessary */
<------>/* Todo: add DP1.2 MST audio support later */
<------>if (codec_has_acomp(codec))
<------><------>snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
<------><------><------><------><------> per_pin->dev_id, runtime->rate);
 
<------>non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
<------>mutex_lock(&per_pin->lock);
<------>per_pin->channels = substream->runtime->channels;
<------>per_pin->setup = true;
 
<------>if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) {
<------><------>stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core,
<------><------><------><------><------><------><------>substream);
<------><------>snd_hda_codec_write(codec, cvt_nid, 0,
<------><------><------><------>    AC_VERB_SET_STRIPE_CONTROL,
<------><------><------><------>    stripe);
<------>}
 
<------>hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
<------>mutex_unlock(&per_pin->lock);
<------>if (spec->dyn_pin_out) {
<------><------>snd_hda_set_dev_select(codec, per_pin->pin_nid,
<------><------><------><------>       per_pin->dev_id);
<------><------>pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
<------><------><------><------><------>    AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
<------><------>snd_hda_codec_write(codec, per_pin->pin_nid, 0,
<------><------><------><------>    AC_VERB_SET_PIN_WIDGET_CONTROL,
<------><------><------><------>    pinctl | PIN_OUT);
<------>}
 
<------>/* snd_hda_set_dev_select() has been called before */
<------>err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid,
<------><------><------><------>     per_pin->dev_id, stream_tag, format);
 unlock:
<------>mutex_unlock(&spec->pcm_lock);
<------>return err;
}
 
static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
<------><------><------><------><------>     struct hda_codec *codec,
<------><------><------><------><------>     struct snd_pcm_substream *substream)
{
<------>snd_hda_codec_cleanup_stream(codec, hinfo->nid);
<------>return 0;
}
 
static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
<------><------><------>  struct hda_codec *codec,
<------><------><------>  struct snd_pcm_substream *substream)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int cvt_idx, pin_idx, pcm_idx;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>struct hdmi_spec_per_pin *per_pin;
<------>int pinctl;
<------>int err = 0;
 
<------>mutex_lock(&spec->pcm_lock);
<------>if (hinfo->nid) {
<------><------>pcm_idx = hinfo_to_pcm_index(codec, hinfo);
<------><------>if (snd_BUG_ON(pcm_idx < 0)) {
<------><------><------>err = -EINVAL;
<------><------><------>goto unlock;
<------><------>}
<------><------>cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
<------><------>if (snd_BUG_ON(cvt_idx < 0)) {
<------><------><------>err = -EINVAL;
<------><------><------>goto unlock;
<------><------>}
<------><------>per_cvt = get_cvt(spec, cvt_idx);
<------><------>per_cvt->assigned = 0;
<------><------>hinfo->nid = 0;
 
<------><------>azx_stream(get_azx_dev(substream))->stripe = 0;
 
<------><------>snd_hda_spdif_ctls_unassign(codec, pcm_idx);
<------><------>clear_bit(pcm_idx, &spec->pcm_in_use);
<------><------>pin_idx = hinfo_to_pin_index(codec, hinfo);
<------><------>if (spec->dyn_pcm_assign && pin_idx < 0)
<------><------><------>goto unlock;
 
<------><------>if (snd_BUG_ON(pin_idx < 0)) {
<------><------><------>err = -EINVAL;
<------><------><------>goto unlock;
<------><------>}
<------><------>per_pin = get_pin(spec, pin_idx);
 
<------><------>if (spec->dyn_pin_out) {
<------><------><------>snd_hda_set_dev_select(codec, per_pin->pin_nid,
<------><------><------><------><------>       per_pin->dev_id);
<------><------><------>pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
<------><------><------><------><------>AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
<------><------><------>snd_hda_codec_write(codec, per_pin->pin_nid, 0,
<------><------><------><------><------>    AC_VERB_SET_PIN_WIDGET_CONTROL,
<------><------><------><------><------>    pinctl & ~PIN_OUT);
<------><------>}
 
<------><------>mutex_lock(&per_pin->lock);
<------><------>per_pin->chmap_set = false;
<------><------>memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
 
<------><------>per_pin->setup = false;
<------><------>per_pin->channels = 0;
<------><------>mutex_unlock(&per_pin->lock);
<------>}
 
unlock:
<------>mutex_unlock(&spec->pcm_lock);
 
<------>return err;
}
 
static const struct hda_pcm_ops generic_ops = {
<------>.open = hdmi_pcm_open,
<------>.close = hdmi_pcm_close,
<------>.prepare = generic_hdmi_playback_pcm_prepare,
<------>.cleanup = generic_hdmi_playback_pcm_cleanup,
};
 
static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
 
<------>if (!per_pin)
<------><------>return 0;
 
<------>return per_pin->sink_eld.info.spk_alloc;
}
 
static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
<------><------><------><------><------>unsigned char *chmap)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
 
<------>/* chmap is already set to 0 in caller */
<------>if (!per_pin)
<------><------>return;
 
<------>memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
}
 
static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
<------><------><------><------>unsigned char *chmap, int prepared)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
 
<------>if (!per_pin)
<------><------>return;
<------>mutex_lock(&per_pin->lock);
<------>per_pin->chmap_set = true;
<------>memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
<------>if (prepared)
<------><------>hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
<------>mutex_unlock(&per_pin->lock);
}
 
static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
 
<------>return per_pin ? true:false;
}
 
static int generic_hdmi_build_pcms(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int idx, pcm_num;
 
<------>/*
<------> * for non-mst mode, pcm number is the same as before
<------> * for DP MST mode without extra PCM, pcm number is same
<------> * for DP MST mode with extra PCMs, pcm number is
<------> *  (nid number + dev_num - 1)
<------> * dev_num is the device entry number in a pin
<------> */
 
<------>if (codec->mst_no_extra_pcms)
<------><------>pcm_num = spec->num_nids;
<------>else
<------><------>pcm_num = spec->num_nids + spec->dev_num - 1;
 
<------>codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num);
 
<------>for (idx = 0; idx < pcm_num; idx++) {
<------><------>struct hda_pcm *info;
<------><------>struct hda_pcm_stream *pstr;
 
<------><------>info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx);
<------><------>if (!info)
<------><------><------>return -ENOMEM;
 
<------><------>spec->pcm_rec[idx].pcm = info;
<------><------>spec->pcm_used++;
<------><------>info->pcm_type = HDA_PCM_TYPE_HDMI;
<------><------>info->own_chmap = true;
 
<------><------>pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
<------><------>pstr->substreams = 1;
<------><------>pstr->ops = generic_ops;
<------><------>/* pcm number is less than 16 */
<------><------>if (spec->pcm_used >= 16)
<------><------><------>break;
<------><------>/* other pstr fields are set in open */
<------>}
 
<------>return 0;
}
 
static void free_hdmi_jack_priv(struct snd_jack *jack)
{
<------>struct hdmi_pcm *pcm = jack->private_data;
 
<------>pcm->jack = NULL;
}
 
static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
{
<------>char hdmi_str[32] = "HDMI/DP";
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pcm_idx);
<------>struct snd_jack *jack;
<------>int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
<------>int err;
 
<------>if (pcmdev > 0)
<------><------>sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
<------>if (!spec->dyn_pcm_assign &&
<------>    !is_jack_detectable(codec, per_pin->pin_nid))
<------><------>strncat(hdmi_str, " Phantom",
<------><------><------>sizeof(hdmi_str) - strlen(hdmi_str) - 1);
 
<------>err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack,
<------><------><------>   true, false);
<------>if (err < 0)
<------><------>return err;
 
<------>spec->pcm_rec[pcm_idx].jack = jack;
<------>jack->private_data = &spec->pcm_rec[pcm_idx];
<------>jack->private_free = free_hdmi_jack_priv;
<------>return 0;
}
 
static int generic_hdmi_build_controls(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int dev, err;
<------>int pin_idx, pcm_idx;
 
<------>for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
<------><------>if (!get_pcm_rec(spec, pcm_idx)->pcm) {
<------><------><------>/* no PCM: mark this for skipping permanently */
<------><------><------>set_bit(pcm_idx, &spec->pcm_bitmap);
<------><------><------>continue;
<------><------>}
 
<------><------>err = generic_hdmi_build_jack(codec, pcm_idx);
<------><------>if (err < 0)
<------><------><------>return err;
 
<------><------>/* create the spdif for each pcm
<------><------> * pin will be bound when monitor is connected
<------><------> */
<------><------>if (spec->dyn_pcm_assign)
<------><------><------>err = snd_hda_create_dig_out_ctls(codec,
<------><------><------><------><------>  0, spec->cvt_nids[0],
<------><------><------><------><------>  HDA_PCM_TYPE_HDMI);
<------><------>else {
<------><------><------>struct hdmi_spec_per_pin *per_pin =
<------><------><------><------>get_pin(spec, pcm_idx);
<------><------><------>err = snd_hda_create_dig_out_ctls(codec,
<------><------><------><------><------><------>  per_pin->pin_nid,
<------><------><------><------><------><------>  per_pin->mux_nids[0],
<------><------><------><------><------><------>  HDA_PCM_TYPE_HDMI);
<------><------>}
<------><------>if (err < 0)
<------><------><------>return err;
<------><------>snd_hda_spdif_ctls_unassign(codec, pcm_idx);
 
<------><------>dev = get_pcm_rec(spec, pcm_idx)->device;
<------><------>if (dev != SNDRV_PCM_INVALID_DEVICE) {
<------><------><------>/* add control for ELD Bytes */
<------><------><------>err = hdmi_create_eld_ctl(codec, pcm_idx, dev);
<------><------><------>if (err < 0)
<------><------><------><------>return err;
<------><------>}
<------>}
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
<------><------>struct hdmi_eld *pin_eld = &per_pin->sink_eld;
 
<------><------>pin_eld->eld_valid = false;
<------><------>hdmi_present_sense(per_pin, 0);
<------>}
 
<------>/* add channel maps */
<------>for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
<------><------>struct hda_pcm *pcm;
 
<------><------>pcm = get_pcm_rec(spec, pcm_idx);
<------><------>if (!pcm || !pcm->pcm)
<------><------><------>break;
<------><------>err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
<------><------>if (err < 0)
<------><------><------>return err;
<------>}
 
<------>return 0;
}
 
static int generic_hdmi_init_per_pins(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx;
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
 
<------><------>per_pin->codec = codec;
<------><------>mutex_init(&per_pin->lock);
<------><------>INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
<------><------>eld_proc_new(per_pin, pin_idx);
<------>}
<------>return 0;
}
 
static int generic_hdmi_init(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx;
 
<------>mutex_lock(&spec->bind_lock);
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
<------><------>hda_nid_t pin_nid = per_pin->pin_nid;
<------><------>int dev_id = per_pin->dev_id;
 
<------><------>snd_hda_set_dev_select(codec, pin_nid, dev_id);
<------><------>hdmi_init_pin(codec, pin_nid);
<------><------>if (codec_has_acomp(codec))
<------><------><------>continue;
<------><------>snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id,
<------><------><------><------><------><------><------>jack_callback);
<------>}
<------>mutex_unlock(&spec->bind_lock);
<------>return 0;
}
 
static void hdmi_array_init(struct hdmi_spec *spec, int nums)
{
<------>snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
<------>snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
}
 
static void hdmi_array_free(struct hdmi_spec *spec)
{
<------>snd_array_free(&spec->pins);
<------>snd_array_free(&spec->cvts);
}
 
static void generic_spec_free(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>if (spec) {
<------><------>hdmi_array_free(spec);
<------><------>kfree(spec);
<------><------>codec->spec = NULL;
<------>}
<------>codec->dp_mst = false;
}
 
static void generic_hdmi_free(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx, pcm_idx;
 
<------>if (spec->acomp_registered) {
<------><------>snd_hdac_acomp_exit(&codec->bus->core);
<------>} else if (codec_has_acomp(codec)) {
<------><------>snd_hdac_acomp_register_notifier(&codec->bus->core, NULL);
<------>}
<------>codec->relaxed_resume = 0;
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
<------><------>cancel_delayed_work_sync(&per_pin->work);
<------><------>eld_proc_free(per_pin);
<------>}
 
<------>for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
<------><------>if (spec->pcm_rec[pcm_idx].jack == NULL)
<------><------><------>continue;
<------><------>if (spec->dyn_pcm_assign)
<------><------><------>snd_device_free(codec->card,
<------><------><------><------><------>spec->pcm_rec[pcm_idx].jack);
<------><------>else
<------><------><------>spec->pcm_rec[pcm_idx].jack = NULL;
<------>}
 
<------>generic_spec_free(codec);
}
 
#ifdef CONFIG_PM
static int generic_hdmi_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);
<------>snd_hda_regmap_sync(codec);
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
<------><------>hdmi_present_sense(per_pin, 1);
<------>}
<------>return 0;
}
#endif
 
static const struct hda_codec_ops generic_hdmi_patch_ops = {
<------>.init			= generic_hdmi_init,
<------>.free			= generic_hdmi_free,
<------>.build_pcms		= generic_hdmi_build_pcms,
<------>.build_controls		= generic_hdmi_build_controls,
<------>.unsol_event		= hdmi_unsol_event,
#ifdef CONFIG_PM
<------>.suspend		= generic_hdmi_suspend,
<------>.resume			= generic_hdmi_resume,
#endif
};
 
static const struct hdmi_ops generic_standard_hdmi_ops = {
<------>.pin_get_eld				= hdmi_pin_get_eld,
<------>.pin_setup_infoframe			= hdmi_pin_setup_infoframe,
<------>.pin_hbr_setup				= hdmi_pin_hbr_setup,
<------>.setup_stream				= hdmi_setup_stream,
};
 
/* allocate codec->spec and assign/initialize generic parser ops */
static int alloc_generic_hdmi(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
 
<------>spec = kzalloc(sizeof(*spec), GFP_KERNEL);
<------>if (!spec)
<------><------>return -ENOMEM;
 
<------>spec->codec = codec;
<------>spec->ops = generic_standard_hdmi_ops;
<------>spec->dev_num = 1;	/* initialize to 1 */
<------>mutex_init(&spec->pcm_lock);
<------>mutex_init(&spec->bind_lock);
<------>snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
 
<------>spec->chmap.ops.get_chmap = hdmi_get_chmap;
<------>spec->chmap.ops.set_chmap = hdmi_set_chmap;
<------>spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
<------>spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc;
 
<------>codec->spec = spec;
<------>hdmi_array_init(spec, 4);
 
<------>codec->patch_ops = generic_hdmi_patch_ops;
 
<------>return 0;
}
 
/* generic HDMI parser */
static int patch_generic_hdmi(struct hda_codec *codec)
{
<------>int err;
 
<------>err = alloc_generic_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
 
<------>err = hdmi_parse_codec(codec);
<------>if (err < 0) {
<------><------>generic_spec_free(codec);
<------><------>return err;
<------>}
 
<------>generic_hdmi_init_per_pins(codec);
<------>return 0;
}
 
/*
 * generic audio component binding
 */
 
/* turn on / off the unsol event jack detection dynamically */
static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid,
<------><------><------><------>  int dev_id, bool use_acomp)
{
<------>struct hda_jack_tbl *tbl;
 
<------>tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
<------>if (tbl) {
<------><------>/* clear unsol even if component notifier is used, or re-enable
<------><------> * if notifier is cleared
<------><------> */
<------><------>unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag);
<------><------>snd_hda_codec_write_cache(codec, nid, 0,
<------><------><------><------><------>  AC_VERB_SET_UNSOLICITED_ENABLE, val);
<------>}
}
 
/* set up / clear component notifier dynamically */
static void generic_acomp_notifier_set(struct drm_audio_component *acomp,
<------><------><------><------>       bool use_acomp)
{
<------>struct hdmi_spec *spec;
<------>int i;
 
<------>spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops);
<------>mutex_lock(&spec->bind_lock);
<------>spec->use_acomp_notifier = use_acomp;
<------>spec->codec->relaxed_resume = use_acomp;
<------>spec->codec->bus->keep_power = 0;
<------>/* reprogram each jack detection logic depending on the notifier */
<------>for (i = 0; i < spec->num_pins; i++)
<------><------>reprogram_jack_detect(spec->codec,
<------><------><------><------>      get_pin(spec, i)->pin_nid,
<------><------><------><------>      get_pin(spec, i)->dev_id,
<------><------><------><------>      use_acomp);
<------>mutex_unlock(&spec->bind_lock);
}
 
/* enable / disable the notifier via master bind / unbind */
static int generic_acomp_master_bind(struct device *dev,
<------><------><------><------>     struct drm_audio_component *acomp)
{
<------>generic_acomp_notifier_set(acomp, true);
<------>return 0;
}
 
static void generic_acomp_master_unbind(struct device *dev,
<------><------><------><------><------>struct drm_audio_component *acomp)
{
<------>generic_acomp_notifier_set(acomp, false);
}
 
/* check whether both HD-audio and DRM PCI devices belong to the same bus */
static int match_bound_vga(struct device *dev, int subtype, void *data)
{
<------>struct hdac_bus *bus = data;
<------>struct pci_dev *pci, *master;
 
<------>if (!dev_is_pci(dev) || !dev_is_pci(bus->dev))
<------><------>return 0;
<------>master = to_pci_dev(bus->dev);
<------>pci = to_pci_dev(dev);
<------>return master->bus == pci->bus;
}
 
/* audio component notifier for AMD/Nvidia HDMI codecs */
static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id)
{
<------>struct hda_codec *codec = audio_ptr;
<------>struct hdmi_spec *spec = codec->spec;
<------>hda_nid_t pin_nid = spec->port2pin(codec, port);
 
<------>if (!pin_nid)
<------><------>return;
<------>if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN)
<------><------>return;
<------>/* skip notification during system suspend (but not in runtime PM);
<------> * the state will be updated at resume
<------> */
<------>if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
<------><------>return;
<------>/* ditto during suspend/resume process itself */
<------>if (snd_hdac_is_in_pm(&codec->core))
<------><------>return;
 
<------>check_presence_and_report(codec, pin_nid, dev_id);
}
 
/* set up the private drm_audio_ops from the template */
static void setup_drm_audio_ops(struct hda_codec *codec,
<------><------><------><------>const struct drm_audio_component_audio_ops *ops)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>spec->drm_audio_ops.audio_ptr = codec;
<------>/* intel_audio_codec_enable() or intel_audio_codec_disable()
<------> * will call pin_eld_notify with using audio_ptr pointer
<------> * We need make sure audio_ptr is really setup
<------> */
<------>wmb();
<------>spec->drm_audio_ops.pin2port = ops->pin2port;
<------>spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify;
<------>spec->drm_audio_ops.master_bind = ops->master_bind;
<------>spec->drm_audio_ops.master_unbind = ops->master_unbind;
}
 
/* initialize the generic HDMI audio component */
static void generic_acomp_init(struct hda_codec *codec,
<------><------><------>       const struct drm_audio_component_audio_ops *ops,
<------><------><------>       int (*port2pin)(struct hda_codec *, int))
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>if (!enable_acomp) {
<------><------>codec_info(codec, "audio component disabled by module option\n");
<------><------>return;
<------>}
 
<------>spec->port2pin = port2pin;
<------>setup_drm_audio_ops(codec, ops);
<------>if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops,
<------><------><------><------> match_bound_vga, 0)) {
<------><------>spec->acomp_registered = true;
<------>}
}
 
/*
 * Intel codec parsers and helpers
 */
 
#define INTEL_GET_VENDOR_VERB	0xf81
#define INTEL_SET_VENDOR_VERB	0x781
#define INTEL_EN_DP12		0x02	/* enable DP 1.2 features */
#define INTEL_EN_ALL_PIN_CVTS	0x01	/* enable 2nd & 3rd pins and convertors */
 
static void intel_haswell_enable_all_pins(struct hda_codec *codec,
<------><------><------><------><------>  bool update_tree)
{
<------>unsigned int vendor_param;
<------>struct hdmi_spec *spec = codec->spec;
 
<------>vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
<------><------><------><------>INTEL_GET_VENDOR_VERB, 0);
<------>if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
<------><------>return;
 
<------>vendor_param |= INTEL_EN_ALL_PIN_CVTS;
<------>vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
<------><------><------><------>INTEL_SET_VENDOR_VERB, vendor_param);
<------>if (vendor_param == -1)
<------><------>return;
 
<------>if (update_tree)
<------><------>snd_hda_codec_update_widgets(codec);
}
 
static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
{
<------>unsigned int vendor_param;
<------>struct hdmi_spec *spec = codec->spec;
 
<------>vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
<------><------><------><------>INTEL_GET_VENDOR_VERB, 0);
<------>if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
<------><------>return;
 
<------>/* enable DP1.2 mode */
<------>vendor_param |= INTEL_EN_DP12;
<------>snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
<------>snd_hda_codec_write_cache(codec, spec->vendor_nid, 0,
<------><------><------><------>INTEL_SET_VENDOR_VERB, vendor_param);
}
 
/* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
 * Otherwise you may get severe h/w communication errors.
 */
static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
<------><------><------><------>unsigned int power_state)
{
<------>if (power_state == AC_PWRST_D0) {
<------><------>intel_haswell_enable_all_pins(codec, false);
<------><------>intel_haswell_fixup_enable_dp12(codec);
<------>}
 
<------>snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
<------>snd_hda_codec_set_power_to_all(codec, fg, power_state);
}
 
/* There is a fixed mapping between audio pin node and display port.
 * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
 * Pin Widget 5 - PORT B (port = 1 in i915 driver)
 * Pin Widget 6 - PORT C (port = 2 in i915 driver)
 * Pin Widget 7 - PORT D (port = 3 in i915 driver)
 *
 * on VLV, ILK:
 * Pin Widget 4 - PORT B (port = 1 in i915 driver)
 * Pin Widget 5 - PORT C (port = 2 in i915 driver)
 * Pin Widget 6 - PORT D (port = 3 in i915 driver)
 */
static int intel_base_nid(struct hda_codec *codec)
{
<------>switch (codec->core.vendor_id) {
<------>case 0x80860054: /* ILK */
<------>case 0x80862804: /* ILK */
<------>case 0x80862882: /* VLV */
<------><------>return 4;
<------>default:
<------><------>return 5;
<------>}
}
 
static int intel_pin2port(void *audio_ptr, int pin_nid)
{
<------>struct hda_codec *codec = audio_ptr;
<------>struct hdmi_spec *spec = codec->spec;
<------>int base_nid, i;
 
<------>if (!spec->port_num) {
<------><------>base_nid = intel_base_nid(codec);
<------><------>if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
<------><------><------>return -1;
<------><------>return pin_nid - base_nid + 1;
<------>}
 
<------>/*
<------> * looking for the pin number in the mapping table and return
<------> * the index which indicate the port number
<------> */
<------>for (i = 0; i < spec->port_num; i++) {
<------><------>if (pin_nid == spec->port_map[i])
<------><------><------>return i;
<------>}
 
<------>codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid);
<------>return -1;
}
 
static int intel_port2pin(struct hda_codec *codec, int port)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>if (!spec->port_num) {
<------><------>/* we assume only from port-B to port-D */
<------><------>if (port < 1 || port > 3)
<------><------><------>return 0;
<------><------>return port + intel_base_nid(codec) - 1;
<------>}
 
<------>if (port < 0 || port >= spec->port_num)
<------><------>return 0;
<------>return spec->port_map[port];
}
 
static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
{
<------>struct hda_codec *codec = audio_ptr;
<------>int pin_nid;
<------>int dev_id = pipe;
 
<------>pin_nid = intel_port2pin(codec, port);
<------>if (!pin_nid)
<------><------>return;
<------>/* skip notification during system suspend (but not in runtime PM);
<------> * the state will be updated at resume
<------> */
<------>if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
<------><------>return;
<------>/* ditto during suspend/resume process itself */
<------>if (snd_hdac_is_in_pm(&codec->core))
<------><------>return;
 
<------>snd_hdac_i915_set_bclk(&codec->bus->core);
<------>check_presence_and_report(codec, pin_nid, dev_id);
}
 
static const struct drm_audio_component_audio_ops intel_audio_ops = {
<------>.pin2port = intel_pin2port,
<------>.pin_eld_notify = intel_pin_eld_notify,
};
 
/* register i915 component pin_eld_notify callback */
static void register_i915_notifier(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>spec->use_acomp_notifier = true;
<------>spec->port2pin = intel_port2pin;
<------>setup_drm_audio_ops(codec, &intel_audio_ops);
<------>snd_hdac_acomp_register_notifier(&codec->bus->core,
<------><------><------><------><------>&spec->drm_audio_ops);
<------>/* no need for forcible resume for jack check thanks to notifier */
<------>codec->relaxed_resume = 1;
}
 
/* setup_stream ops override for HSW+ */
static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
<------><------><------><------> hda_nid_t pin_nid, int dev_id, u32 stream_tag,
<------><------><------><------> int format)
{
<------>haswell_verify_D0(codec, cvt_nid, pin_nid);
<------>return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
<------><------><------><------> stream_tag, format);
}
 
/* pin_cvt_fixup ops override for HSW+ and VLV+ */
static void i915_pin_cvt_fixup(struct hda_codec *codec,
<------><------><------>       struct hdmi_spec_per_pin *per_pin,
<------><------><------>       hda_nid_t cvt_nid)
{
<------>if (per_pin) {
<------><------>haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid);
<------><------>snd_hda_set_dev_select(codec, per_pin->pin_nid,
<------><------><------>       per_pin->dev_id);
<------><------>intel_verify_pin_cvt_connect(codec, per_pin);
<------><------>intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
<------><------><------><------>     per_pin->dev_id, per_pin->mux_idx);
<------>} else {
<------><------>intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid);
<------>}
}
 
/* precondition and allocation for Intel codecs */
static int alloc_intel_hdmi(struct hda_codec *codec)
{
<------>int err;
 
<------>/* requires i915 binding */
<------>if (!codec->bus->core.audio_component) {
<------><------>codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
<------><------>/* set probe_id here to prevent generic fallback binding */
<------><------>codec->probe_id = HDA_CODEC_ID_SKIP_PROBE;
<------><------>return -ENODEV;
<------>}
 
<------>err = alloc_generic_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
<------>/* no need to handle unsol events */
<------>codec->patch_ops.unsol_event = NULL;
<------>return 0;
}
 
/* parse and post-process for Intel codecs */
static int parse_intel_hdmi(struct hda_codec *codec)
{
<------>int err, retries = 3;
 
<------>do {
<------><------>err = hdmi_parse_codec(codec);
<------>} while (err < 0 && retries--);
 
<------>if (err < 0) {
<------><------>generic_spec_free(codec);
<------><------>return err;
<------>}
 
<------>generic_hdmi_init_per_pins(codec);
<------>register_i915_notifier(codec);
<------>return 0;
}
 
/* Intel Haswell and onwards; audio component with eld notifier */
static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid,
<------><------><------><------> const int *port_map, int port_num)
{
<------>struct hdmi_spec *spec;
<------>int err;
 
<------>err = alloc_intel_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
<------>spec = codec->spec;
<------>codec->dp_mst = true;
<------>spec->dyn_pcm_assign = true;
<------>spec->vendor_nid = vendor_nid;
<------>spec->port_map = port_map;
<------>spec->port_num = port_num;
<------>spec->intel_hsw_fixup = true;
 
<------>intel_haswell_enable_all_pins(codec, true);
<------>intel_haswell_fixup_enable_dp12(codec);
 
<------>codec->display_power_control = 1;
 
<------>codec->patch_ops.set_power_state = haswell_set_power_state;
<------>codec->depop_delay = 0;
<------>codec->auto_runtime_pm = 1;
 
<------>spec->ops.setup_stream = i915_hsw_setup_stream;
<------>spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
 
<------>/*
<------> * Enable silent stream feature, if it is enabled via
<------> * module param or Kconfig option
<------> */
<------>if (enable_silent_stream)
<------><------>spec->send_silent_stream = true;
 
<------>return parse_intel_hdmi(codec);
}
 
static int patch_i915_hsw_hdmi(struct hda_codec *codec)
{
<------>return intel_hsw_common_init(codec, 0x08, NULL, 0);
}
 
static int patch_i915_glk_hdmi(struct hda_codec *codec)
{
<------>return intel_hsw_common_init(codec, 0x0b, NULL, 0);
}
 
static int patch_i915_icl_hdmi(struct hda_codec *codec)
{
<------>/*
<------> * pin to port mapping table where the value indicate the pin number and
<------> * the index indicate the port number.
<------> */
<------>static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb};
 
<------>return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
}
 
static int patch_i915_tgl_hdmi(struct hda_codec *codec)
{
<------>/*
<------> * pin to port mapping table where the value indicate the pin number and
<------> * the index indicate the port number.
<------> */
<------>static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
 
<------>return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map));
}
 
/* Intel Baytrail and Braswell; with eld notifier */
static int patch_i915_byt_hdmi(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err;
 
<------>err = alloc_intel_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
<------>spec = codec->spec;
 
<------>/* For Valleyview/Cherryview, only the display codec is in the display
<------> * power well and can use link_power ops to request/release the power.
<------> */
<------>codec->display_power_control = 1;
 
<------>codec->depop_delay = 0;
<------>codec->auto_runtime_pm = 1;
 
<------>spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
 
<------>return parse_intel_hdmi(codec);
}
 
/* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
static int patch_i915_cpt_hdmi(struct hda_codec *codec)
{
<------>int err;
 
<------>err = alloc_intel_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
<------>return parse_intel_hdmi(codec);
}
 
/*
 * Shared non-generic implementations
 */
 
static int simple_playback_build_pcms(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hda_pcm *info;
<------>unsigned int chans;
<------>struct hda_pcm_stream *pstr;
<------>struct hdmi_spec_per_cvt *per_cvt;
 
<------>per_cvt = get_cvt(spec, 0);
<------>chans = get_wcaps(codec, per_cvt->cvt_nid);
<------>chans = get_wcaps_channels(chans);
 
<------>info = snd_hda_codec_pcm_new(codec, "HDMI 0");
<------>if (!info)
<------><------>return -ENOMEM;
<------>spec->pcm_rec[0].pcm = info;
<------>info->pcm_type = HDA_PCM_TYPE_HDMI;
<------>pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
<------>*pstr = spec->pcm_playback;
<------>pstr->nid = per_cvt->cvt_nid;
<------>if (pstr->channels_max <= 2 && chans && chans <= 16)
<------><------>pstr->channels_max = chans;
 
<------>return 0;
}
 
/* unsolicited event for jack sensing */
static void simple_hdmi_unsol_event(struct hda_codec *codec,
<------><------><------><------>    unsigned int res)
{
<------>snd_hda_jack_set_dirty_all(codec);
<------>snd_hda_jack_report_sync(codec);
}
 
/* generic_hdmi_build_jack can be used for simple_hdmi, too,
 * as long as spec->pins[] is set correctly
 */
#define simple_hdmi_build_jack	generic_hdmi_build_jack
 
static int simple_playback_build_controls(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>int err;
 
<------>per_cvt = get_cvt(spec, 0);
<------>err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
<------><------><------><------><------>  per_cvt->cvt_nid,
<------><------><------><------><------>  HDA_PCM_TYPE_HDMI);
<------>if (err < 0)
<------><------>return err;
<------>return simple_hdmi_build_jack(codec, 0);
}
 
static int simple_playback_init(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
<------>hda_nid_t pin = per_pin->pin_nid;
 
<------>snd_hda_codec_write(codec, pin, 0,
<------><------><------>    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
<------>/* some codecs require to unmute the pin */
<------>if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
<------><------>snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
<------><------><------><------>    AMP_OUT_UNMUTE);
<------>snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id);
<------>return 0;
}
 
static void simple_playback_free(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
 
<------>hdmi_array_free(spec);
<------>kfree(spec);
}
 
/*
 * Nvidia specific implementations
 */
 
#define Nv_VERB_SET_Channel_Allocation          0xF79
#define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
#define Nv_VERB_SET_Audio_Protection_On         0xF98
#define Nv_VERB_SET_Audio_Protection_Off        0xF99
 
#define nvhdmi_master_con_nid_7x	0x04
#define nvhdmi_master_pin_nid_7x	0x05
 
static const hda_nid_t nvhdmi_con_nids_7x[4] = {
<------>/*front, rear, clfe, rear_surr */
<------>0x6, 0x8, 0xa, 0xc,
};
 
static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
<------>/* set audio protect on */
<------>{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
<------>/* enable digital output on pin widget */
<------>{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{} /* terminator */
};
 
static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
<------>/* set audio protect on */
<------>{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
<------>/* enable digital output on pin widget */
<------>{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
<------>{} /* terminator */
};
 
#ifdef LIMITED_RATE_FMT_SUPPORT
/* support only the safe format and rate */
#define SUPPORTED_RATES		SNDRV_PCM_RATE_48000
#define SUPPORTED_MAXBPS	16
#define SUPPORTED_FORMATS	SNDRV_PCM_FMTBIT_S16_LE
#else
/* support all rates and formats */
#define SUPPORTED_RATES \
<------>(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
<------>SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
<------> SNDRV_PCM_RATE_192000)
#define SUPPORTED_MAXBPS	24
#define SUPPORTED_FORMATS \
<------>(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
#endif
 
static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
{
<------>snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
<------>return 0;
}
 
static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
{
<------>snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
<------>return 0;
}
 
static const unsigned int channels_2_6_8[] = {
<------>2, 6, 8
};
 
static const unsigned int channels_2_8[] = {
<------>2, 8
};
 
static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
<------>.count = ARRAY_SIZE(channels_2_6_8),
<------>.list = channels_2_6_8,
<------>.mask = 0,
};
 
static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
<------>.count = ARRAY_SIZE(channels_2_8),
<------>.list = channels_2_8,
<------>.mask = 0,
};
 
static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
<------><------><------><------>    struct hda_codec *codec,
<------><------><------><------>    struct snd_pcm_substream *substream)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
 
<------>switch (codec->preset->vendor_id) {
<------>case 0x10de0002:
<------>case 0x10de0003:
<------>case 0x10de0005:
<------>case 0x10de0006:
<------><------>hw_constraints_channels = &hw_constraints_2_8_channels;
<------><------>break;
<------>case 0x10de0007:
<------><------>hw_constraints_channels = &hw_constraints_2_6_8_channels;
<------><------>break;
<------>default:
<------><------>break;
<------>}
 
<------>if (hw_constraints_channels != NULL) {
<------><------>snd_pcm_hw_constraint_list(substream->runtime, 0,
<------><------><------><------>SNDRV_PCM_HW_PARAM_CHANNELS,
<------><------><------><------>hw_constraints_channels);
<------>} else {
<------><------>snd_pcm_hw_constraint_step(substream->runtime, 0,
<------><------><------><------><------>   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
<------>}
 
<------>return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}
 
static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
<------><------><------><------>     struct hda_codec *codec,
<------><------><------><------>     struct snd_pcm_substream *substream)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}
 
static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
<------><------><------><------>       struct hda_codec *codec,
<------><------><------><------>       unsigned int stream_tag,
<------><------><------><------>       unsigned int format,
<------><------><------><------>       struct snd_pcm_substream *substream)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
<------><------><------><------><------>     stream_tag, format, substream);
}
 
static const struct hda_pcm_stream simple_pcm_playback = {
<------>.substreams = 1,
<------>.channels_min = 2,
<------>.channels_max = 2,
<------>.ops = {
<------><------>.open = simple_playback_pcm_open,
<------><------>.close = simple_playback_pcm_close,
<------><------>.prepare = simple_playback_pcm_prepare
<------>},
};
 
static const struct hda_codec_ops simple_hdmi_patch_ops = {
<------>.build_controls = simple_playback_build_controls,
<------>.build_pcms = simple_playback_build_pcms,
<------>.init = simple_playback_init,
<------>.free = simple_playback_free,
<------>.unsol_event = simple_hdmi_unsol_event,
};
 
static int patch_simple_hdmi(struct hda_codec *codec,
<------><------><------>     hda_nid_t cvt_nid, hda_nid_t pin_nid)
{
<------>struct hdmi_spec *spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>struct hdmi_spec_per_pin *per_pin;
 
<------>spec = kzalloc(sizeof(*spec), GFP_KERNEL);
<------>if (!spec)
<------><------>return -ENOMEM;
 
<------>spec->codec = codec;
<------>codec->spec = spec;
<------>hdmi_array_init(spec, 1);
 
<------>spec->multiout.num_dacs = 0;  /* no analog */
<------>spec->multiout.max_channels = 2;
<------>spec->multiout.dig_out_nid = cvt_nid;
<------>spec->num_cvts = 1;
<------>spec->num_pins = 1;
<------>per_pin = snd_array_new(&spec->pins);
<------>per_cvt = snd_array_new(&spec->cvts);
<------>if (!per_pin || !per_cvt) {
<------><------>simple_playback_free(codec);
<------><------>return -ENOMEM;
<------>}
<------>per_cvt->cvt_nid = cvt_nid;
<------>per_pin->pin_nid = pin_nid;
<------>spec->pcm_playback = simple_pcm_playback;
 
<------>codec->patch_ops = simple_hdmi_patch_ops;
 
<------>return 0;
}
 
static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
<------><------><------><------><------><------>    int channels)
{
<------>unsigned int chanmask;
<------>int chan = channels ? (channels - 1) : 1;
 
<------>switch (channels) {
<------>default:
<------>case 0:
<------>case 2:
<------><------>chanmask = 0x00;
<------><------>break;
<------>case 4:
<------><------>chanmask = 0x08;
<------><------>break;
<------>case 6:
<------><------>chanmask = 0x0b;
<------><------>break;
<------>case 8:
<------><------>chanmask = 0x13;
<------><------>break;
<------>}
 
<------>/* Set the audio infoframe channel allocation and checksum fields.  The
<------> * channel count is computed implicitly by the hardware. */
<------>snd_hda_codec_write(codec, 0x1, 0,
<------><------><------>Nv_VERB_SET_Channel_Allocation, chanmask);
 
<------>snd_hda_codec_write(codec, 0x1, 0,
<------><------><------>Nv_VERB_SET_Info_Frame_Checksum,
<------><------><------>(0x71 - chan - chanmask));
}
 
static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
<------><------><------><------>   struct hda_codec *codec,
<------><------><------><------>   struct snd_pcm_substream *substream)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int i;
 
<------>snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
<------><------><------>0, AC_VERB_SET_CHANNEL_STREAMID, 0);
<------>for (i = 0; i < 4; i++) {
<------><------>/* set the stream id */
<------><------>snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
<------><------><------><------>AC_VERB_SET_CHANNEL_STREAMID, 0);
<------><------>/* set the stream format */
<------><------>snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
<------><------><------><------>AC_VERB_SET_STREAM_FORMAT, 0);
<------>}
 
<------>/* The audio hardware sends a channel count of 0x7 (8ch) when all the
<------> * streams are disabled. */
<------>nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
 
<------>return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}
 
static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
<------><------><------><------>     struct hda_codec *codec,
<------><------><------><------>     unsigned int stream_tag,
<------><------><------><------>     unsigned int format,
<------><------><------><------>     struct snd_pcm_substream *substream)
{
<------>int chs;
<------>unsigned int dataDCC2, channel_id;
<------>int i;
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hda_spdif_out *spdif;
<------>struct hdmi_spec_per_cvt *per_cvt;
 
<------>mutex_lock(&codec->spdif_mutex);
<------>per_cvt = get_cvt(spec, 0);
<------>spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
 
<------>chs = substream->runtime->channels;
 
<------>dataDCC2 = 0x2;
 
<------>/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
<------>if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
<------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_master_con_nid_7x,
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_DIGI_CONVERT_1,
<------><------><------><------>spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
 
<------>/* set the stream id */
<------>snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
<------><------><------>AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
 
<------>/* set the stream format */
<------>snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
<------><------><------>AC_VERB_SET_STREAM_FORMAT, format);
 
<------>/* turn on again (if needed) */
<------>/* enable and set the channel status audio/data flag */
<------>if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
<------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_master_con_nid_7x,
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_DIGI_CONVERT_1,
<------><------><------><------>spdif->ctls & 0xff);
<------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_master_con_nid_7x,
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
<------>}
 
<------>for (i = 0; i < 4; i++) {
<------><------>if (chs == 2)
<------><------><------>channel_id = 0;
<------><------>else
<------><------><------>channel_id = i * 2;
 
<------><------>/* turn off SPDIF once;
<------><------> *otherwise the IEC958 bits won't be updated
<------><------> */
<------><------>if (codec->spdif_status_reset &&
<------><------>(spdif->ctls & AC_DIG1_ENABLE))
<------><------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_con_nids_7x[i],
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_DIGI_CONVERT_1,
<------><------><------><------>spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
<------><------>/* set the stream id */
<------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_con_nids_7x[i],
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_CHANNEL_STREAMID,
<------><------><------><------>(stream_tag << 4) | channel_id);
<------><------>/* set the stream format */
<------><------>snd_hda_codec_write(codec,
<------><------><------><------>nvhdmi_con_nids_7x[i],
<------><------><------><------>0,
<------><------><------><------>AC_VERB_SET_STREAM_FORMAT,
<------><------><------><------>format);
<------><------>/* turn on again (if needed) */
<------><------>/* enable and set the channel status audio/data flag */
<------><------>if (codec->spdif_status_reset &&
<------><------>(spdif->ctls & AC_DIG1_ENABLE)) {
<------><------><------>snd_hda_codec_write(codec,
<------><------><------><------><------>nvhdmi_con_nids_7x[i],
<------><------><------><------><------>0,
<------><------><------><------><------>AC_VERB_SET_DIGI_CONVERT_1,
<------><------><------><------><------>spdif->ctls & 0xff);
<------><------><------>snd_hda_codec_write(codec,
<------><------><------><------><------>nvhdmi_con_nids_7x[i],
<------><------><------><------><------>0,
<------><------><------><------><------>AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
<------><------>}
<------>}
 
<------>nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
 
<------>mutex_unlock(&codec->spdif_mutex);
<------>return 0;
}
 
static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
<------>.substreams = 1,
<------>.channels_min = 2,
<------>.channels_max = 8,
<------>.nid = nvhdmi_master_con_nid_7x,
<------>.rates = SUPPORTED_RATES,
<------>.maxbps = SUPPORTED_MAXBPS,
<------>.formats = SUPPORTED_FORMATS,
<------>.ops = {
<------><------>.open = simple_playback_pcm_open,
<------><------>.close = nvhdmi_8ch_7x_pcm_close,
<------><------>.prepare = nvhdmi_8ch_7x_pcm_prepare
<------>},
};
 
static int patch_nvhdmi_2ch(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
<------><------><------><------>    nvhdmi_master_pin_nid_7x);
<------>if (err < 0)
<------><------>return err;
 
<------>codec->patch_ops.init = nvhdmi_7x_init_2ch;
<------>/* override the PCM rates, etc, as the codec doesn't give full list */
<------>spec = codec->spec;
<------>spec->pcm_playback.rates = SUPPORTED_RATES;
<------>spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
<------>spec->pcm_playback.formats = SUPPORTED_FORMATS;
<------>return 0;
}
 
static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int err = simple_playback_build_pcms(codec);
<------>if (!err) {
<------><------>struct hda_pcm *info = get_pcm_rec(spec, 0);
<------><------>info->own_chmap = true;
<------>}
<------>return err;
}
 
static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>struct hda_pcm *info;
<------>struct snd_pcm_chmap *chmap;
<------>int err;
 
<------>err = simple_playback_build_controls(codec);
<------>if (err < 0)
<------><------>return err;
 
<------>/* add channel maps */
<------>info = get_pcm_rec(spec, 0);
<------>err = snd_pcm_add_chmap_ctls(info->pcm,
<------><------><------><------>     SNDRV_PCM_STREAM_PLAYBACK,
<------><------><------><------>     snd_pcm_alt_chmaps, 8, 0, &chmap);
<------>if (err < 0)
<------><------>return err;
<------>switch (codec->preset->vendor_id) {
<------>case 0x10de0002:
<------>case 0x10de0003:
<------>case 0x10de0005:
<------>case 0x10de0006:
<------><------>chmap->channel_mask = (1U << 2) | (1U << 8);
<------><------>break;
<------>case 0x10de0007:
<------><------>chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
<------>}
<------>return 0;
}
 
static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err = patch_nvhdmi_2ch(codec);
<------>if (err < 0)
<------><------>return err;
<------>spec = codec->spec;
<------>spec->multiout.max_channels = 8;
<------>spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
<------>codec->patch_ops.init = nvhdmi_7x_init_8ch;
<------>codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
<------>codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
 
<------>/* Initialize the audio infoframe channel mask and checksum to something
<------> * valid */
<------>nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
 
<------>return 0;
}
 
/*
 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
 * - 0x10de0015
 * - 0x10de0040
 */
static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
<------><------>struct hdac_cea_channel_speaker_allocation *cap, int channels)
{
<------>if (cap->ca_index == 0x00 && channels == 2)
<------><------>return SNDRV_CTL_TLVT_CHMAP_FIXED;
 
<------>/* If the speaker allocation matches the channel count, it is OK. */
<------>if (cap->channels != channels)
<------><------>return -1;
 
<------>/* all channels are remappable freely */
<------>return SNDRV_CTL_TLVT_CHMAP_VAR;
}
 
static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
<------><------>int ca, int chs, unsigned char *map)
{
<------>if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
<------><------>return -EINVAL;
 
<------>return 0;
}
 
/* map from pin NID to port; port is 0-based */
/* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */
static int nvhdmi_pin2port(void *audio_ptr, int pin_nid)
{
<------>return pin_nid - 4;
}
 
/* reverse-map from port to pin NID: see above */
static int nvhdmi_port2pin(struct hda_codec *codec, int port)
{
<------>return port + 4;
}
 
static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = {
<------>.pin2port = nvhdmi_pin2port,
<------>.pin_eld_notify = generic_acomp_pin_eld_notify,
<------>.master_bind = generic_acomp_master_bind,
<------>.master_unbind = generic_acomp_master_unbind,
};
 
static int patch_nvhdmi(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err;
 
<------>err = alloc_generic_hdmi(codec);
<------>if (err < 0)
<------><------>return err;
<------>codec->dp_mst = true;
 
<------>spec = codec->spec;
<------>spec->dyn_pcm_assign = true;
 
<------>err = hdmi_parse_codec(codec);
<------>if (err < 0) {
<------><------>generic_spec_free(codec);
<------><------>return err;
<------>}
 
<------>generic_hdmi_init_per_pins(codec);
 
<------>spec->dyn_pin_out = true;
 
<------>spec->chmap.ops.chmap_cea_alloc_validate_get_type =
<------><------>nvhdmi_chmap_cea_alloc_validate_get_type;
<------>spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
 
<------>codec->link_down_at_suspend = 1;
 
<------>generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin);
 
<------>return 0;
}
 
static int patch_nvhdmi_legacy(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err;
 
<------>err = patch_generic_hdmi(codec);
<------>if (err)
<------><------>return err;
 
<------>spec = codec->spec;
<------>spec->dyn_pin_out = true;
 
<------>spec->chmap.ops.chmap_cea_alloc_validate_get_type =
<------><------>nvhdmi_chmap_cea_alloc_validate_get_type;
<------>spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
 
<------>codec->link_down_at_suspend = 1;
 
<------>return 0;
}
 
/*
 * The HDA codec on NVIDIA Tegra contains two scratch registers that are
 * accessed using vendor-defined verbs. These registers can be used for
 * interoperability between the HDA and HDMI drivers.
 */
 
/* Audio Function Group node */
#define NVIDIA_AFG_NID 0x01
 
/*
 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
 * additional bit (at position 30) to signal the validity of the format.
 *
 * | 31      | 30    | 29  16 | 15   0 |
 * +---------+-------+--------+--------+
 * | TRIGGER | VALID | UNUSED | FORMAT |
 * +-----------------------------------|
 *
 * Note that for the trigger bit to take effect it needs to change value
 * (i.e. it needs to be toggled).
 */
#define NVIDIA_GET_SCRATCH0		0xfa6
#define NVIDIA_SET_SCRATCH0_BYTE0	0xfa7
#define NVIDIA_SET_SCRATCH0_BYTE1	0xfa8
#define NVIDIA_SET_SCRATCH0_BYTE2	0xfa9
#define NVIDIA_SET_SCRATCH0_BYTE3	0xfaa
#define NVIDIA_SCRATCH_TRIGGER (1 << 7)
#define NVIDIA_SCRATCH_VALID   (1 << 6)
 
#define NVIDIA_GET_SCRATCH1		0xfab
#define NVIDIA_SET_SCRATCH1_BYTE0	0xfac
#define NVIDIA_SET_SCRATCH1_BYTE1	0xfad
#define NVIDIA_SET_SCRATCH1_BYTE2	0xfae
#define NVIDIA_SET_SCRATCH1_BYTE3	0xfaf
 
/*
 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
 * the format is invalidated so that the HDMI codec can be disabled.
 */
static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
{
<------>unsigned int value;
 
<------>/* bits [31:30] contain the trigger and valid bits */
<------>value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
<------><------><------><------>   NVIDIA_GET_SCRATCH0, 0);
<------>value = (value >> 24) & 0xff;
 
<------>/* bits [15:0] are used to store the HDA format */
<------>snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
<------><------><------>    NVIDIA_SET_SCRATCH0_BYTE0,
<------><------><------>    (format >> 0) & 0xff);
<------>snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
<------><------><------>    NVIDIA_SET_SCRATCH0_BYTE1,
<------><------><------>    (format >> 8) & 0xff);
 
<------>/* bits [16:24] are unused */
<------>snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
<------><------><------>    NVIDIA_SET_SCRATCH0_BYTE2, 0);
 
<------>/*
<------> * Bit 30 signals that the data is valid and hence that HDMI audio can
<------> * be enabled.
<------> */
<------>if (format == 0)
<------><------>value &= ~NVIDIA_SCRATCH_VALID;
<------>else
<------><------>value |= NVIDIA_SCRATCH_VALID;
 
<------>/*
<------> * Whenever the trigger bit is toggled, an interrupt is raised in the
<------> * HDMI codec. The HDMI driver will use that as trigger to update its
<------> * configuration.
<------> */
<------>value ^= NVIDIA_SCRATCH_TRIGGER;
 
<------>snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
<------><------><------>    NVIDIA_SET_SCRATCH0_BYTE3, value);
}
 
static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
<------><------><------><------>  struct hda_codec *codec,
<------><------><------><------>  unsigned int stream_tag,
<------><------><------><------>  unsigned int format,
<------><------><------><------>  struct snd_pcm_substream *substream)
{
<------>int err;
 
<------>err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
<------><------><------><------><------><------>format, substream);
<------>if (err < 0)
<------><------>return err;
 
<------>/* notify the HDMI codec of the format change */
<------>tegra_hdmi_set_format(codec, format);
 
<------>return 0;
}
 
static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
<------><------><------><------>  struct hda_codec *codec,
<------><------><------><------>  struct snd_pcm_substream *substream)
{
<------>/* invalidate the format in the HDMI codec */
<------>tegra_hdmi_set_format(codec, 0);
 
<------>return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
}
 
static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>unsigned int i;
 
<------>for (i = 0; i < spec->num_pins; i++) {
<------><------>struct hda_pcm *pcm = get_pcm_rec(spec, i);
 
<------><------>if (pcm->pcm_type == type)
<------><------><------>return pcm;
<------>}
 
<------>return NULL;
}
 
static int tegra_hdmi_build_pcms(struct hda_codec *codec)
{
<------>struct hda_pcm_stream *stream;
<------>struct hda_pcm *pcm;
<------>int err;
 
<------>err = generic_hdmi_build_pcms(codec);
<------>if (err < 0)
<------><------>return err;
 
<------>pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
<------>if (!pcm)
<------><------>return -ENODEV;
 
<------>/*
<------> * Override ->prepare() and ->cleanup() operations to notify the HDMI
<------> * codec about format changes.
<------> */
<------>stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
<------>stream->ops.prepare = tegra_hdmi_pcm_prepare;
<------>stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
 
<------>return 0;
}
 
static int patch_tegra_hdmi(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>int err;
 
<------>err = patch_generic_hdmi(codec);
<------>if (err)
<------><------>return err;
 
<------>codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
<------>spec = codec->spec;
<------>spec->chmap.ops.chmap_cea_alloc_validate_get_type =
<------><------>nvhdmi_chmap_cea_alloc_validate_get_type;
<------>spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
 
<------>return 0;
}
 
/*
 * ATI/AMD-specific implementations
 */
 
#define is_amdhdmi_rev3_or_later(codec) \
<------>((codec)->core.vendor_id == 0x1002aa01 && \
<------> ((codec)->core.revision_id & 0xff00) >= 0x0300)
#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
 
/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
#define ATI_VERB_SET_CHANNEL_ALLOCATION	0x771
#define ATI_VERB_SET_DOWNMIX_INFO	0x772
#define ATI_VERB_SET_MULTICHANNEL_01	0x777
#define ATI_VERB_SET_MULTICHANNEL_23	0x778
#define ATI_VERB_SET_MULTICHANNEL_45	0x779
#define ATI_VERB_SET_MULTICHANNEL_67	0x77a
#define ATI_VERB_SET_HBR_CONTROL	0x77c
#define ATI_VERB_SET_MULTICHANNEL_1	0x785
#define ATI_VERB_SET_MULTICHANNEL_3	0x786
#define ATI_VERB_SET_MULTICHANNEL_5	0x787
#define ATI_VERB_SET_MULTICHANNEL_7	0x788
#define ATI_VERB_SET_MULTICHANNEL_MODE	0x789
#define ATI_VERB_GET_CHANNEL_ALLOCATION	0xf71
#define ATI_VERB_GET_DOWNMIX_INFO	0xf72
#define ATI_VERB_GET_MULTICHANNEL_01	0xf77
#define ATI_VERB_GET_MULTICHANNEL_23	0xf78
#define ATI_VERB_GET_MULTICHANNEL_45	0xf79
#define ATI_VERB_GET_MULTICHANNEL_67	0xf7a
#define ATI_VERB_GET_HBR_CONTROL	0xf7c
#define ATI_VERB_GET_MULTICHANNEL_1	0xf85
#define ATI_VERB_GET_MULTICHANNEL_3	0xf86
#define ATI_VERB_GET_MULTICHANNEL_5	0xf87
#define ATI_VERB_GET_MULTICHANNEL_7	0xf88
#define ATI_VERB_GET_MULTICHANNEL_MODE	0xf89
 
/* AMD specific HDA cvt verbs */
#define ATI_VERB_SET_RAMP_RATE		0x770
#define ATI_VERB_GET_RAMP_RATE		0xf70
 
#define ATI_OUT_ENABLE 0x1
 
#define ATI_MULTICHANNEL_MODE_PAIRED	0
#define ATI_MULTICHANNEL_MODE_SINGLE	1
 
#define ATI_HBR_CAPABLE 0x01
#define ATI_HBR_ENABLE 0x10
 
static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
<------><------><------>       int dev_id, unsigned char *buf, int *eld_size)
{
<------>WARN_ON(dev_id != 0);
<------>/* call hda_eld.c ATI/AMD-specific function */
<------>return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
<------><------><------><------>    is_amdhdmi_rev3_or_later(codec));
}
 
static void atihdmi_pin_setup_infoframe(struct hda_codec *codec,
<------><------><------><------><------>hda_nid_t pin_nid, int dev_id, int ca,
<------><------><------><------><------>int active_channels, int conn_type)
{
<------>WARN_ON(dev_id != 0);
<------>snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
}
 
static int atihdmi_paired_swap_fc_lfe(int pos)
{
<------>/*
<------> * ATI/AMD have automatic FC/LFE swap built-in
<------> * when in pairwise mapping mode.
<------> */
 
<------>switch (pos) {
<------><------>/* see channel_allocations[].speakers[] */
<------><------>case 2: return 3;
<------><------>case 3: return 2;
<------><------>default: break;
<------>}
 
<------>return pos;
}
 
static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
<------><------><------>int ca, int chs, unsigned char *map)
{
<------>struct hdac_cea_channel_speaker_allocation *cap;
<------>int i, j;
 
<------>/* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
 
<------>cap = snd_hdac_get_ch_alloc_from_ca(ca);
<------>for (i = 0; i < chs; ++i) {
<------><------>int mask = snd_hdac_chmap_to_spk_mask(map[i]);
<------><------>bool ok = false;
<------><------>bool companion_ok = false;
 
<------><------>if (!mask)
<------><------><------>continue;
 
<------><------>for (j = 0 + i % 2; j < 8; j += 2) {
<------><------><------>int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
<------><------><------>if (cap->speakers[chan_idx] == mask) {
<------><------><------><------>/* channel is in a supported position */
<------><------><------><------>ok = true;
 
<------><------><------><------>if (i % 2 == 0 && i + 1 < chs) {
<------><------><------><------><------>/* even channel, check the odd companion */
<------><------><------><------><------>int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
<------><------><------><------><------>int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
<------><------><------><------><------>int comp_mask_act = cap->speakers[comp_chan_idx];
 
<------><------><------><------><------>if (comp_mask_req == comp_mask_act)
<------><------><------><------><------><------>companion_ok = true;
<------><------><------><------><------>else
<------><------><------><------><------><------>return -EINVAL;
<------><------><------><------>}
<------><------><------><------>break;
<------><------><------>}
<------><------>}
 
<------><------>if (!ok)
<------><------><------>return -EINVAL;
 
<------><------>if (companion_ok)
<------><------><------>i++; /* companion channel already checked */
<------>}
 
<------>return 0;
}
 
static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
<------><------>hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>int verb;
<------>int ati_channel_setup = 0;
 
<------>if (hdmi_slot > 7)
<------><------>return -EINVAL;
 
<------>if (!has_amd_full_remap_support(codec)) {
<------><------>hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
 
<------><------>/* In case this is an odd slot but without stream channel, do not
<------><------> * disable the slot since the corresponding even slot could have a
<------><------> * channel. In case neither have a channel, the slot pair will be
<------><------> * disabled when this function is called for the even slot. */
<------><------>if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
<------><------><------>return 0;
 
<------><------>hdmi_slot -= hdmi_slot % 2;
 
<------><------>if (stream_channel != 0xf)
<------><------><------>stream_channel -= stream_channel % 2;
<------>}
 
<------>verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
 
<------>/* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
 
<------>if (stream_channel != 0xf)
<------><------>ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
 
<------>return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
}
 
static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
<------><------><------><------>hda_nid_t pin_nid, int asp_slot)
{
<------>struct hda_codec *codec = hdac_to_hda_codec(hdac);
<------>bool was_odd = false;
<------>int ati_asp_slot = asp_slot;
<------>int verb;
<------>int ati_channel_setup;
 
<------>if (asp_slot > 7)
<------><------>return -EINVAL;
 
<------>if (!has_amd_full_remap_support(codec)) {
<------><------>ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
<------><------>if (ati_asp_slot % 2 != 0) {
<------><------><------>ati_asp_slot -= 1;
<------><------><------>was_odd = true;
<------><------>}
<------>}
 
<------>verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
 
<------>ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
 
<------>if (!(ati_channel_setup & ATI_OUT_ENABLE))
<------><------>return 0xf;
 
<------>return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
}
 
static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
<------><------>struct hdac_chmap *chmap,
<------><------>struct hdac_cea_channel_speaker_allocation *cap,
<------><------>int channels)
{
<------>int c;
 
<------>/*
<------> * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
<------> * we need to take that into account (a single channel may take 2
<------> * channel slots if we need to carry a silent channel next to it).
<------> * On Rev3+ AMD codecs this function is not used.
<------> */
<------>int chanpairs = 0;
 
<------>/* We only produce even-numbered channel count TLVs */
<------>if ((channels % 2) != 0)
<------><------>return -1;
 
<------>for (c = 0; c < 7; c += 2) {
<------><------>if (cap->speakers[c] || cap->speakers[c+1])
<------><------><------>chanpairs++;
<------>}
 
<------>if (chanpairs * 2 != channels)
<------><------>return -1;
 
<------>return SNDRV_CTL_TLVT_CHMAP_PAIRED;
}
 
static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
<------><------>struct hdac_cea_channel_speaker_allocation *cap,
<------><------>unsigned int *chmap, int channels)
{
<------>/* produce paired maps for pre-rev3 ATI/AMD codecs */
<------>int count = 0;
<------>int c;
 
<------>for (c = 7; c >= 0; c--) {
<------><------>int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
<------><------>int spk = cap->speakers[chan];
<------><------>if (!spk) {
<------><------><------>/* add N/A channel if the companion channel is occupied */
<------><------><------>if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
<------><------><------><------>chmap[count++] = SNDRV_CHMAP_NA;
 
<------><------><------>continue;
<------><------>}
 
<------><------>chmap[count++] = snd_hdac_spk_to_chmap(spk);
<------>}
 
<------>WARN_ON(count != channels);
}
 
static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
<------><------><------><------> int dev_id, bool hbr)
{
<------>int hbr_ctl, hbr_ctl_new;
 
<------>WARN_ON(dev_id != 0);
 
<------>hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
<------>if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
<------><------>if (hbr)
<------><------><------>hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
<------><------>else
<------><------><------>hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
 
<------><------>codec_dbg(codec,
<------><------><------>  "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
<------><------><------><------>pin_nid,
<------><------><------><------>hbr_ctl == hbr_ctl_new ? "" : "new-",
<------><------><------><------>hbr_ctl_new);
 
<------><------>if (hbr_ctl != hbr_ctl_new)
<------><------><------>snd_hda_codec_write(codec, pin_nid, 0,
<------><------><------><------><------><------>ATI_VERB_SET_HBR_CONTROL,
<------><------><------><------><------><------>hbr_ctl_new);
 
<------>} else if (hbr)
<------><------>return -EINVAL;
 
<------>return 0;
}
 
static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
<------><------><------><------>hda_nid_t pin_nid, int dev_id,
<------><------><------><------>u32 stream_tag, int format)
{
<------>if (is_amdhdmi_rev3_or_later(codec)) {
<------><------>int ramp_rate = 180; /* default as per AMD spec */
<------><------>/* disable ramp-up/down for non-pcm as per AMD spec */
<------><------>if (format & AC_FMT_TYPE_NON_PCM)
<------><------><------>ramp_rate = 0;
 
<------><------>snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
<------>}
 
<------>return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
<------><------><------><------> stream_tag, format);
}
 
 
static int atihdmi_init(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec = codec->spec;
<------>int pin_idx, err;
 
<------>err = generic_hdmi_init(codec);
 
<------>if (err)
<------><------>return err;
 
<------>for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
<------><------>struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
 
<------><------>/* make sure downmix information in infoframe is zero */
<------><------>snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
 
<------><------>/* enable channel-wise remap mode if supported */
<------><------>if (has_amd_full_remap_support(codec))
<------><------><------>snd_hda_codec_write(codec, per_pin->pin_nid, 0,
<------><------><------><------><------>    ATI_VERB_SET_MULTICHANNEL_MODE,
<------><------><------><------><------>    ATI_MULTICHANNEL_MODE_SINGLE);
<------>}
<------>codec->auto_runtime_pm = 1;
 
<------>return 0;
}
 
/* map from pin NID to port; port is 0-based */
/* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */
static int atihdmi_pin2port(void *audio_ptr, int pin_nid)
{
<------>return pin_nid / 2 - 1;
}
 
/* reverse-map from port to pin NID: see above */
static int atihdmi_port2pin(struct hda_codec *codec, int port)
{
<------>return port * 2 + 3;
}
 
static const struct drm_audio_component_audio_ops atihdmi_audio_ops = {
<------>.pin2port = atihdmi_pin2port,
<------>.pin_eld_notify = generic_acomp_pin_eld_notify,
<------>.master_bind = generic_acomp_master_bind,
<------>.master_unbind = generic_acomp_master_unbind,
};
 
static int patch_atihdmi(struct hda_codec *codec)
{
<------>struct hdmi_spec *spec;
<------>struct hdmi_spec_per_cvt *per_cvt;
<------>int err, cvt_idx;
 
<------>err = patch_generic_hdmi(codec);
 
<------>if (err)
<------><------>return err;
 
<------>codec->patch_ops.init = atihdmi_init;
 
<------>spec = codec->spec;
 
<------>spec->ops.pin_get_eld = atihdmi_pin_get_eld;
<------>spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
<------>spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
<------>spec->ops.setup_stream = atihdmi_setup_stream;
 
<------>spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
<------>spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
 
<------>if (!has_amd_full_remap_support(codec)) {
<------><------>/* override to ATI/AMD-specific versions with pairwise mapping */
<------><------>spec->chmap.ops.chmap_cea_alloc_validate_get_type =
<------><------><------>atihdmi_paired_chmap_cea_alloc_validate_get_type;
<------><------>spec->chmap.ops.cea_alloc_to_tlv_chmap =
<------><------><------><------>atihdmi_paired_cea_alloc_to_tlv_chmap;
<------><------>spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
<------>}
 
<------>/* ATI/AMD converters do not advertise all of their capabilities */
<------>for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
<------><------>per_cvt = get_cvt(spec, cvt_idx);
<------><------>per_cvt->channels_max = max(per_cvt->channels_max, 8u);
<------><------>per_cvt->rates |= SUPPORTED_RATES;
<------><------>per_cvt->formats |= SUPPORTED_FORMATS;
<------><------>per_cvt->maxbps = max(per_cvt->maxbps, 24u);
<------>}
 
<------>spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
 
<------>/* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
<------> * the link-down as is.  Tell the core to allow it.
<------> */
<------>codec->link_down_at_suspend = 1;
 
<------>generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin);
 
<------>return 0;
}
 
/* VIA HDMI Implementation */
#define VIAHDMI_CVT_NID	0x02	/* audio converter1 */
#define VIAHDMI_PIN_NID	0x03	/* HDMI output pin1 */
 
static int patch_via_hdmi(struct hda_codec *codec)
{
<------>return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
}
 
/*
 * patch entries
 */
static const struct hda_device_id snd_hda_id_hdmi[] = {
HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",	patch_atihdmi),
HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",	patch_atihdmi),
HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",	patch_atihdmi),
HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",	patch_atihdmi),
HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI",	patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",	patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",	patch_nvhdmi_legacy),
/* 17 is known to be absent */
HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",	patch_nvhdmi_legacy),
HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",	patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",	patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",	patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP",	patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi),
HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",	patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP",	patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",	patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI",	patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",	patch_via_hdmi),
HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",	patch_via_hdmi),
HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",	patch_i915_cpt_hdmi),
HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",	patch_i915_glk_hdmi),
HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",	patch_generic_hdmi),
HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",	patch_i915_cpt_hdmi),
HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI",	patch_i915_cpt_hdmi),
HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",	patch_i915_hsw_hdmi),
HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",	patch_i915_hsw_hdmi),
HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",	patch_i915_hsw_hdmi),
HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",	patch_i915_hsw_hdmi),
HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",	patch_i915_hsw_hdmi),
HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI",	patch_i915_glk_hdmi),
HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",	patch_i915_glk_hdmi),
HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI",	patch_i915_icl_hdmi),
HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI",	patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI",	patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI",	patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI",	patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI",	patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI",	patch_i915_icl_hdmi),
HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI",	patch_i915_icl_hdmi),
HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_tgl_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);