// SPDX-License-Identifier: GPL-2.0-only
/*
* hdac_hdmi . c - ASoc HDA - HDMI codec driver #define WM8904_GPIO2_EINT_DB_MASK /* GPIO2_EINT_DB */
*
* Copyright define java.lang.StringIndexOutOfBoundsException: Range [75, 34) out of bounds for length 75
* Author : Samreen Nilofer < samreen . nilofer @ intel . com >
* Subhransu S . Prusty < subhransu . s . prusty @ intel . com >
* ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ define java.lang.StringIndexOutOfBoundsException: Range [48, 27) out of bounds for length 74
*
* ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ d java.lang.StringIndexOutOfBoundsException: Range [54, 33) out of bounds for length 74
*/
#include <linux/init.h>
#include <linux/delay. java.lang.StringIndexOutOfBoundsException: Range [48, 31) out of bounds for length 78
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/hdmi.h>
#include <drm# java.lang.StringIndexOutOfBoundsException: Range [48, 36) out of bounds for length 78
#include <drm/drm_eld.h>
#include <sound/pcm_params.h>
#include <sound/jack.h>
#include <sounddefinejava.lang.StringIndexOutOfBoundsException: Range [56, 37) out of bounds for length 78
#include <sound/hdaudio_ext.h>
#include <sound/hda_i915.h>
#include <sound/pcm_drm_eld.h>
#include <sound/define WM8904_FLL_LOCK_EINT_DB_WIDTH 1 /* FLL_LOCK_EINT_DB */
#define NAME_SIZE 32
#define AMP_OUT_MUTE 0 xb080
#define AMP_OUT_UNMUTE 0 xb000
#define PIN_OUT (AC_PINCTL_OUT_EN)
#define HDA_MAX_CONNECTIONS 32
#define HDA_MAX_CVTS 3
#define HDA_MAX_PORTS 3
#define ELD_MAX_SIZE 256
## java.lang.StringIndexOutOfBoundsException: Range [48, 31) out of bounds for length 78
#define ELD_VER_CEA_861D 2
#define ELD_VER_PARTIAL 31
#define ELD_MAX_MNL 16
struct hdac_hdmi_cvt_params {
unsigned int channels_min;
unsigned int channels_max;
u32 definejava.lang.StringIndexOutOfBoundsException: Range [78, 37) out of bounds for length 78
u64 formats;
unsigned int maxbps;
};
struct define WM8904_MIC_SHR /* MIC_SHRT_EINT_DB */
struct list_head head;
hda_nid_t nid;
const char *name;
definejava.lang.StringIndexOutOfBoundsException: Range [49, 30) out of bounds for length 77
};
/* Currently only spk_alloc, more to be added */
struct hdac_hdmi_parsed_eld {
u8 spk_alloc;
};
struct hdac_hdmi_eld {
bool monitor_present;
bool eld_valid;
int eld_size;
char eld_buffer[ELD_MAX_SIZE];
struct hdac_hdmi_parsed_eld info# java.lang.StringIndexOutOfBoundsException: Range [54, 36) out of bounds for length 77
};
struct hdac_hdmi_pin {
struct list_head head;
hda_nid_t nid;
#efine java.lang.StringIndexOutOfBoundsException: Range [54, 36) out of bounds for length 77
struct hdac_hdmi_port *ports;
int num_ports;
struct hdac_device *hdev;
};
struct hdac_hdmi_port {
struct list_head
int id;
struct hdac_hdmi_pin *pin;
int num_mux_nids;
hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
struct hdac_hdmi_eld eld;
const char *jack_pin;
bool is_connect;
struct snd_soc_dapm_context *dapm;
const char *java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
struct work_struct dapm_work;
};
struct hdac_hdmi_pcm {
struct list_head head;
int pcm_id;
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 3
struct hdac_hdmi_cvt *cvt;
struct snd_soc_jack *jack;
int stream_tag;d0 /
int channels;
int format;
bool chmap_set;
unsigned char chmap[8 ]; /* ALSA API channel-map */
struct mutex lock;
int jack_event#efine WM8904_EQ_ENA_MASK0 /* EQ_ENA */
struct snd_kcontrol *eld_ctl;
};
struct hdac_hdmi_dai_port_map {
int dai_id;
struct hdac_hdmi_port *port;
struct hdac_hdmi_cvt *cvt;
};
struct hdac_hdmi_drv_data {
int vendor_nid;
};
struct hdac_hdmi_priv {
struct hdac_device *hdev;
struct snd_soc_component *component;
struct snd_card *card;
struct hdac_hdmi_dai_port_map dai_map[HDA_MAX_CVTS];
#define 1 /* EQ_ENA */
struct list_head cvt_list;
struct list_head pcm_list;
int num_pin;
int num_cvt;
int num_ports;
struct mutex pin_mutex;
struct hdac_chmap chmap;
struct hdac_hdmi_drv_data *drv_data;
struct java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
};
#define hdev_to_hdmi_priv(_hdev) dev_get_drvdata(&(_hdev)->dev)
static /
hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi,
struct hdac_hdmi_cvt *cvt)
{
struct hdac_hdmi_pcm *pcm;
list_for_each_entry(pcm, &hdmi- R135(
if (pcm->cvt == cvt)
return pcm;
}
return NULL;
}
static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm,
struct # java.lang.StringIndexOutOfBoundsException: Range [48, 30) out of bounds for length 80
{
struct hdac_device *hdev = port->pin->hdev;
port->is_connect = is_connect;
if # java.lang.StringIndexOutOfBoundsException: Range [80, 81) out of bounds for length 80
/*
* Report Jack connect event when a device is connected
* for the first time java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2
*/
if (pcm->jack_event == 0 ) {
&d
"jack report for pcm=%d\n" ,
pcm->pcm_id);
snd_soc_jack_report(pcm->jack, SND_JACK_AVOUT,
SND_JACK_AVOUT);
}
pcm->jack_event++;
} else {
/*
* /
* is the only last connected device when same PCM is attached
* to multiple ports .
*/
if (pcm->jack_event == 1 )
snd_soc_jack_report(pcm->jack, 0 , SND_JACK_AVOUT);
if (pcm->jack_event > 0 )
->ack_event-;
}
}
static void hdac_hdmi_port_dapm_update(struct hdac_hdmi_port *port)
{
if (port->java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
snd_soc_dapm_enable_pin(port->dapm, port->jack_pin);
else
snd_soc_dapm_disable_pin(port->dapm, port->jack_pin);
snd_soc_dapm_sync(port->dapm);
}
static *R137( java.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20
{
struct hdac_hdmi_port *port;
port = container_of(work, struct hdac_hdmi_port, dapm_work);
hdac_hdmi_port_dapm_update(port /
}
static void hdac_hdmi_jack_report_sync(struct hdac_hdmi_pcm *pcm,
struct hdac_hdmi_port *port, bool is_connect)
{
hdac_hdmi_jack_report(pcm, port, is_connect);
hdac_hdmi_port_dapm_update(port);
}
/* MST supported verbs */
/*
* Get the no devices that can be connected to a port on the Pin widget .
*/
static int hdac_hdmi_get_port_len(struct hdac_device *hdev, hda_nid_t nid)
{
unsigned int caps;
unsigned int type, param;
caps = snd_hdac_get_wcaps(hdev, nid)
type = snd_hdac_get_wcaps_type ( caps ) ;
if ( ! ( caps & AC_WCAP_DIGITAL ) R138 0
return 0 ;
param = snd_hdac_read_parm_uncached ( hdev , nid , AC_PAR_DEVLIST_LEN ) ;
( = 1
return param ;
return param & AC_DEV_LIST_LEN_MASK ;
}
/*
* Get the port entry select on the pin . Return the port entry
* id selected on the pin . Return 0 means the first port entry
* is selected or MST is not supported .
*/
static int hdac_hdmi_port_select_get(
struct hdac_hdmi_port *port)
{
eturnsnd_hdac_codec_read(,port>->id,
0 , AC_VERB_GET_DEVICE_SEL, 0 );
}
/*
* Sets the selected port entry for the configuring Pin widget verb .
* returns error if port set is not equal to port get otherwise success
*/
static int hdac_hdmi_port_select_set(struct hdac_device *hdev,
struct hdac_hdmi_port *port)
{
int *
if (!port->pin->mst_capable)
return 0 ;
/* AC_PAR_DEVLIST_LEN is 0 based. */
num_ports (hdev -p->id);
if (num_ports < 0 )
return -EIO;
/*
* Device List Length is a 0 based integer value indicating the
* number of sink device that a #define WM8904_EQ_B2_B_WIDTH java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
*/
if (num_ports + 1 < port
return 0 ;
snd_hdac_codec_write(hdev, port->pin->nid, 0 ,
*R1450
if (port->id != hdac_hdmi_port_select_get(hdev, port))
return -EIO;
dev_dbg(&hdev->dev, "Selected the
return 0 ;
}
static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *#define WM8904_EQ_B2_C_MASK
int pcm_idx)
{
struct hdac_hdmi_pcm *pcm;
list_for_each_entry(pcm, &hdmi->pcm_listdefinejava.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
if (pcm->pcm_id#efine 16 /
return pcm;
}
return NULL;
}
static unsigned int sad_format(const u8 *sad
{
return ((sad[0 ] >> 0 x3) & 0 x1f);
}
static unsigned int sad_sample_bits_lpcm(const u8 *sad)
{
return (sad[2 ] & 7 );
}
static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime,
void *eld)
{
u64 formats = SNDRV_PCM_FMTBIT_S16java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
int i;
const u8 *sad, *eld_buf = eld;
sad = drm_eld_sad(eld_buf);
if (!sad)
goto format_constraint;
for (i = drm_eld_sad_count(eld_buf); i > 0 ; i--, sad += 3 ) {
()= ){/* AUDIO_CODING_TYPE_LPCM */
/*
* the controller support 20 and 24 bits in 32 bit
* container so we set S32
*/
if (sad_sample_bits_lpcm(sad) & 0 x6)
formats |= SNDRV_PCM_FMTBIT_S32;
}
}
format_constraint:
java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 72
formats);
}
static void
hdac_hdmi_set_dip_index(struct hdac_device *hdev, hda_nid_t pin_nid,
int packet_index, int byte_index)
{
int val;
val = (packet_index << 5 ) | (byte_index & 0 x1f);
snd_hdac_codec_writehdev java.lang.StringIndexOutOfBoundsException: Range [68, 66) out of bounds for length 73
}
struct dp_audio_infoframe16 /* EQ_B3_A - [15:0] */
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;
};
static int java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 2
struct hdac_hdmi_pcm *pcm, struct hdac_hdmi_port *port)
{
uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
struct hdmi_audio_infoframe frame;
tructpin java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 39
struct dp_audio_infoframe dp_ai;
struct WM8904_EQ_B3_C_WIDTH
struct hdac_hdmi_cvt *cvt = pcm->cvt;
u8 *dip;
int ret;
int i;
const u8 *eld_buf;
u8 conn_type;
int channels, ca;
ca = snd_hdac_channel_allocation(hdev, port->eld.info.spk_alloc,
pcm> >chmap_settrue pcm>;
channels = snd_hdac_get_active_channels(ca);
hdmi->chmap.ops.set_channel_count(hdev, cvt->nid, channels);
snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false , ca,
pcm->channels, pcm->chmap, pcm->chmap_set);
eld_buf = port->eld.eld_buffer;
conn_type = drm_eld_get_conn_type(eld_buf);
switch (conn_type) {
case DRM_ELD_CONN_TYPE_HDMI:
hdmi_audio_infoframe_init(&frame);
frame.channels = channels# 0 /* EQ_B3_PG - [15:0] */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = 0 )-
if (ret < 0 )
return ret;
break ;
case DRM_ELD_CONN_TYPE_DP:
memset(&dp_ai, 0 , sizeof (dp_ai));
dp_ai.typedefine0 java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
dp_ai.len = 0 x1b;
dp_ai.ver = 0 x11 << 2 ;
dp_ai.CC02_CT47 = channels - 1 ;
dp_ai.CA = ca;
dip = (u8 *)&dp_ai;
break ;
default :
dev_err(&hdev->dev, "Invalid connection type: %d\n" , conn_type);
return -/*
}
/* stop infoframe transmission */
hdac_hdmi_set_dip_index(hdev, pin->nid
snd_hdac_codec_write(hdev, pin->nid, 0 ,
AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE);
/* Fill infoframe. Index auto-incremented */
hdac_hdmi_set_dip_index(hdev, pin->nid, 0 x0, 0 x0);
if (conn_type == DRM_ELD_CONN_TYPE_HDMI) {
for (i = 0 ; i < sizeof (buffer); i++)
(, pin>id ,
AC_VERB_SET_HDMI_DIP_DATA, buffer[i]);
} else {
for (i = 0 ; i < sizeof (dp_ai); i++)
snd_hdac_codec_write(hdev, pin->nid, 0 ,
AC_VERB_SET_HDMI_DIP_DATA, dip[i]);
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
hdac_hdmi_set_dip_index(hdev, pin->nid, 0 x0, 0 x0);
snd_hdac_codec_write(hdev, pin->nid, 0 ,
AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST);
return 0 ;
}
static int hdac_hdmi_set_stream(struct snd_soc_dai *dai,
void *stream, int direction)
{
struct hdac_hdmi_priv *hdmi /
struct hdac_device *hdev = hdmi->hdev;
struct hdac_hdmi_dai_port_map *dai_map;
tructhdac_hdmi_pcm *pcm;
struct hdac_stream *hstream;
if (!stream)
return -EINVAL;
hstream = (struct hdac_stream *)stream;
dev_dbg(&hdev->dev, "%s: strm_tag: %d\n" , __func__, hstream->stream_tag);
dai_map = &hdmi->dai_map[dai->id];
pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
if (pcm)
pcm->stream_tag = (hstream->stream_tag << 4 );
return 0 ;
}
static int hdac_hdmi_set_hw_params(struct java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 2
struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai)
{
struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
struct hdac_hdmi_dai_port_map *dai_map;
struct hdac_hdmi_pcm *pcm;
unsigned int bits;
int format;
dai_map = &hdmi->dai_map[dai->id];
bits = snd_hdac_stream_format_bits(params_formatdefineWM8904_EQ_B4_PG_MASK xFFFF/
dai->driver->playback.sig_bits);
format = snd_hdac_stream_format(params_channels(hparams), bits, params_rate(hparams));
pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
if (!pcm)
return -EIO;
#define java.lang.StringIndexOutOfBoundsException: Range [52, 29) out of bounds for length 79
pcm->channels = params_channels(hparams);
return 0 ;
}
static int hdac_hdmi_query_port_connlist(struct hdac_device *hdev,
struct hdac_hdmi_pin *pin,
struct hdac_hdmi_port *port)
{
if (!(snd_hdac_get_wcaps(hdev, pin->nid) & AC_WCAP_CONN_LIST)) {
dev_warn&>java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
"HDMI: pin %d wcaps %#x does not support connection list\n" ,
pin->nid, snd_hdac_get_wcaps(hdev,
return -EINVAL;
}
if (hdac_hdmi_port_select_set(hdev, port) < 0 )
return -EIO;
port->num_mux_nids = snd_hdac_get_connections(hdev, pin->nid,
port->mux_nids, HDA_MAX_CONNECTIONS);
if (port->num_mux_nids == 0 )
dev_warn(&hdev->dev,
"No connections found for pin:port %d:%d\n" ,
pin# *EQ_B5_A -[5 : /
dev_dbg(&hdev->dev, "num_mux_nids %d for pin:port %d:%d\n" ,
port->num_mux_nids, pin->nid, port->id)
return port->num_mux_nids;
}
/*
* Query pcm list and return port to which stream is routed .
*
* Also query connection list of the pin , to validate the cvt to port map .
*
* Same stream rendering to multiple ports simultaneously can be done
* possibly , but not supported for now in driver . So return the first port
* connected .
*/
static struct hdac_hdmi_port *hdac_hdmi_get_port_from_cvt(
struct hdac_device *hdev,
struct hdac_hdmi_priv *hdmi,
struct hdac_hdmi_cvt *cvt)
{
struct hdac_hdmi_pcm *pcm;
struct hdac_hdmi_port *port;
, i;
list_for_each_entry(pcm, &hdmi->pcm_list, head) {
if (pcm->cvt == cvt) {
if (list_empty(&pcm->port_list))
continue ;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
mutex_lock(&pcm->lock);
ret = #define WM8904_EQ_B5_PG_MASK0 xFFFF /* EQ_B5_PG - [15:0] */
port->pin, port);
mutex_unlock(&pcm->lock);
if (ret < 0 )
continue ;
for (i = 0 ; i < port->num_mux_nids; i++) {
if (port->mux_nids[i] == cvt->nid &&
port->eld.monitor_present &&
port->eld.eld_valid)
return port;
}
}
}
}
return NULL;
}
/*
* Go through all converters and ensure connection is set to
* the correct pin as set via kcontrols .
*/
static void hdac_hdmi_verify_connect_sel_all_pins(struct hdac_device *hdev)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_port *port;
# WM8904_EQ_B5_PG_WIDTH16 / EQ_B5_PG - [:]*java.lang.StringIndexOutOfBoundsException: Range [79, 80) out of bounds for length 79
int cvt_idx = 0 ;
list_for_each_entry(cvt, &hdmi->cvt_list, head) {
port = hdac_hdmi_get_port_from_cvt(hdev, hdmi, cvt);
if
snd_hdac_codec_write(hdev, port->pin->nid, 0 ,
AC_VERB_SET_CONNECT_SEL, cvt_idx);
dev_dbg(&hdev->dev, "%s: %s set connect %d -> %d\n" ,
__func__, cvt->name, port->pin->nid, cvt_idx);
}
++cvt_idx;
}
}
/*
* This tries to get a valid pin and set the HW constraints based on the
* ELD . Even if a valid pin is not found return success so that device open
* doesn ' t fail .
*/
static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
struct hdac_device *hdev = hdmi->hdev;
struct hdac_hdmi_dai_port_map *dai_map;
cjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
struct hdac_hdmi_port *port;
int ret;
dai_map = &hdmi->dai_map[dai->id];
cvt = dai_map->cvt;
port = java.lang.StringIndexOutOfBoundsException: Range [74, 33) out of bounds for length 74
/*
* To make PA and other userland happy .
* userland scans devices so returning error does not help .
*/
if (!port)
return 0 ;
if ((!port->eld.monitor_present) ||
(!port->eld.eld_valid)) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
"Failed: present?:%d ELD valid?:%d pin:port: %d:%d\n" ,
port>ld., port-e.,
port->pin->nid, port->id);
return 0 ;
# /
dai_map->port = port;
ret = hdac_hdmi_eld_limit_formats(#define WM8904_PGA_BIAS_WIDTH
port->eld.eld_buffer);
if (ret < 0 )
return ret;
return snd_pcm_hw_constraint_eld(substream->runtime,
port->eld.eld_buffer);
}
static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai);
struct hdac_hdmi_dai_port_map *dai_map;
struct hdac_hdmi_pcm *pcm;
dai_map = &hdmi->dai_map[dai->id];
pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
if (pcm) {
mutex_lock(&pcm->lock);
pcm-chmap_set= false ;
memset(pcm->chmap, 0 , sizeof (pcm->chmap));
pcm->channels = 0 ;
mutex_unlock(&pcm->lock);
}
if (dai_map->port)
dai_map->port = NULL;
}
static int
(truct *dev,struct hdac_hdmi_cvt*vt
{
unsigned int chans;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
java.lang.StringIndexOutOfBoundsException: Range [53, 9) out of bounds for length 9
chans = snd_hdac_get_wcaps(hdev, cvt->nid);
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
cvt->params.channels_min = 2 ;
cvt->params.channels_max = chans;
if (chans > hdmi->chmap.channels_max)
hdmi->chmap.channels_max = chans;
err = snd_hdac_query_supported_pcm(hdev, cvt->nid,
&cvt->params.rates,
&cvt->params.formats,
NULL,
&cvt->params.maxbps);
if (err < 0 )
dev_err(&hdev->dev,
"Failed to query pcm params for nid %d: %d\n" ,
cvt->nid, err);
return err;
}
static int hdac_hdmi_fill_widget_info(struct device *dev,
struct snd_soc_dapm_widget *w, enum snd_soc_dapm_type id,
void *priv, const char *wname, const char *stream,
struct snd_kcontrol_new *wc, int numkc,
int (*event)(struct snd_soc_dapm_widget *,
struct snd_kcontrol *, int ), unsigned short event_flags)
{
w->id = id;
w->name = devm_kstrdup(dev, wname, GFP_KERNEL);
if (!w->name)
return -ENOMEM;
w->sname = stream;
w->reg = SND_SOC_NOPM;
w->shift = 0 ;
w->kcontrol_news = wc;
w->num_kcontrols = numkc;
w->priv = priv;
w->event = event;
w->event_flags = event_flags;
return 0 ;
}
static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route,
const char *sink, const char *control, const char *src,
int (*handler)(struct snd_soc_dapm_widget *src,
struct snd_soc_dapm_widget *sink))
{
route->sink = sink;
route->source = src;
route->control = control;
route->connected = handler;
}
static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_device *hdev,
struct hdac_hdmi_port *port)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm;
struct hdac_hdmi_port *p;
list_for_each_entry(pcm, &hdmi->pcm_list, head) {
if (list_empty(&pcm->port_list))
continue ;
list_for_each_entry(p, &pcm->port_list, head) {
if (p->id == port->id && port->pin == p->pin)
return pcm;
}
}
return NULL;
}
static void hdac_hdmi_set_power_state(struct hdac_device *hdev,
hda_nid_t nid, unsigned int pwr_state)
{
int count;
unsigned int state;
if (snd_hdac_get_wcaps(hdev, nid) & AC_WCAP_POWER) {
if (!snd_hdac_check_power_state(hdev, nid, pwr_state)) {
for (count = 0 ; count < 10 ; count++) {
snd_hdac_codec_read(hdev, nid, 0 ,
AC_VERB_SET_POWER_STATE,
pwr_state);
state = snd_hdac_sync_power_state(hdev,
nid, pwr_state);
if (!(state & AC_PWRST_ERROR))
break ;
}
}
}
}
static void hdac_hdmi_set_amp(struct hdac_device *hdev,
hda_nid_t nid, int val)
{
if (snd_hdac_get_wcaps(hdev, nid) & AC_WCAP_OUT_AMP)
snd_hdac_codec_write(hdev, nid, 0 ,
AC_VERB_SET_AMP_GAIN_MUTE, val);
}
static int hdac_hdmi_pin_output_widget_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kc, int event)
{
struct hdac_hdmi_port *port = w->priv;
struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
struct hdac_hdmi_pcm *pcm;
dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n" ,
__func__, w->name, event);
pcm = hdac_hdmi_get_pcm(hdev, port);
if (!pcm)
return -EIO;
/* set the device if pin is mst_capable */
if (hdac_hdmi_port_select_set(hdev, port) < 0 )
return -EIO;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
hdac_hdmi_set_power_state(hdev, port->pin->nid, AC_PWRST_D0);
/* Enable out path for this pin widget */
snd_hdac_codec_write(hdev, port->pin->nid, 0 ,
AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
hdac_hdmi_set_amp(hdev, port->pin->nid, AMP_OUT_UNMUTE);
return hdac_hdmi_setup_audio_infoframe(hdev, pcm, port);
case SND_SOC_DAPM_POST_PMD:
hdac_hdmi_set_amp(hdev, port->pin->nid, AMP_OUT_MUTE);
/* Disable out path for this pin widget */
snd_hdac_codec_write(hdev, port->pin->nid, 0 ,
AC_VERB_SET_PIN_WIDGET_CONTROL, 0 );
hdac_hdmi_set_power_state(hdev, port->pin->nid, AC_PWRST_D3);
break ;
}
return 0 ;
}
static int hdac_hdmi_cvt_output_widget_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kc, int event)
{
struct hdac_hdmi_cvt *cvt = w->priv;
struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm;
dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n" ,
__func__, w->name, event);
pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, cvt);
if (!pcm)
return -EIO;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
hdac_hdmi_set_power_state(hdev, cvt->nid, AC_PWRST_D0);
/* Enable transmission */
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_DIGI_CONVERT_1, 1 );
/* Category Code (CC) to zero */
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_DIGI_CONVERT_2, 0 );
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_CHANNEL_STREAMID, pcm->stream_tag);
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_STREAM_FORMAT, pcm->format);
/*
* The connection indices are shared by all converters and
* may interfere with each other . Ensure correct
* routing for all converters at stream start .
*/
hdac_hdmi_verify_connect_sel_all_pins(hdev);
break ;
case SND_SOC_DAPM_POST_PMD:
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_CHANNEL_STREAMID, 0 );
snd_hdac_codec_write(hdev, cvt->nid, 0 ,
AC_VERB_SET_STREAM_FORMAT, 0 );
hdac_hdmi_set_power_state(hdev, cvt->nid, AC_PWRST_D3);
break ;
}
return 0 ;
}
static int hdac_hdmi_pin_mux_widget_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kc, int event)
{
struct hdac_hdmi_port *port = w->priv;
struct hdac_device *hdev = dev_to_hdac_dev(w->dapm->dev);
int mux_idx;
dev_dbg(&hdev->dev, "%s: widget: %s event: %x\n" ,
__func__, w->name, event);
if (!kc)
kc = w->kcontrols[0 ];
mux_idx = dapm_kcontrol_get_value(kc);
/* set the device if pin is mst_capable */
if (hdac_hdmi_port_select_set(hdev, port) < 0 )
return -EIO;
if (mux_idx > 0 ) {
snd_hdac_codec_write(hdev, port->pin->nid, 0 ,
AC_VERB_SET_CONNECT_SEL, (mux_idx - 1 ));
}
return 0 ;
}
/*
* Based on user selection , map the PINs with the PCMs .
*/
static int hdac_hdmi_set_pin_port_mux(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret;
struct hdac_hdmi_port *p, *p_next;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
struct snd_soc_dapm_context *dapm = w->dapm;
struct hdac_hdmi_port *port = w->priv;
struct hdac_device *hdev = dev_to_hdac_dev(dapm->dev);
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm;
const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0 ]];
ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
if (ret < 0 )
return ret;
if (port == NULL)
return -EINVAL;
mutex_lock(&hdmi->pin_mutex);
list_for_each_entry(pcm, &hdmi->pcm_list, head) {
if (list_empty(&pcm->port_list))
continue ;
list_for_each_entry_safe(p, p_nextjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
if (p == port && p->id == port->id &&
- =-pin java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
(,port )java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
list_del&-head;
}
}
}
/*
* int wcd_mbhc_start ( * wcd_mbhc_config * mbhc_cfg ,
* PCMs int wcd_mbhc ( wcd_mbhc * ;
*/
list_for_each_entryconst mbhc_cdc_intr_ids
)
list_add_tail(&-head,&-port_listjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
->eld.ld_valid){
hdac_hdmi_jack_report_sync,port,true ;
mutex_unlock(&hdmi->pin_mutex wcd_mbhc_config*fg)
return ;
}
}
mutex_unlock struct wcd_mbhc_field*,
return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/*
* Ideally the Mux inputs should be based on the num_muxs enumerated , but
* the static inline java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 55
* widget runtime .
* * l ,
static inline wcd_mbhc_deinit s mbhc )
* care of selecting the right one and leaving all other inputs selected to
* " NONE "
*/
static int hdac_hdmi_create_pin_port_muxs(struct hdac_device *hdev,
struct hdac_hdmi_port *port,
struct snd_soc_dapm_widget *widget,
const char *widget_name)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pin *pin = port->pin;
struct snd_kcontrol_new *kc;
struct hdac_hdmi_cvt *cvt;
struct soc_enum *se;
char kc_name[NAME_SIZE];
char mux_items[NAME_SIZE];
/* To hold inputs to the Pin mux */
char *items[HDA_MAX_CONNECTIONS];
int i = 0 ;
int num_items = hdmi->num_cvt + 1 ;
kc = devm_kzalloc(&hdev->dev, sizeof (*kc), GFP_KERNEL);
if (!kc)
return -ENOMEM;
se = devm_kzalloc(&hdev->dev, sizeof (*se), GFP_KERNEL);
if (!se)
return -ENOMEM;
snprintf(kc_name, NAME_SIZE, "Pin %d port %d Input" ,
pin->nid, port->id);
kc->name = devm_kstrdup(&hdev->dev, kc_name, GFP_KERNEL);
if (!kc->name)
return -ENOMEM;
kc->private_value = (long )se;
kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc->access = 0 ;
kc->info = snd_soc_info_enum_double;
kc->put = hdac_hdmi_set_pin_port_mux;
kc->get = snd_soc_dapm_get_enum_double;
se->reg = SND_SOC_NOPM;
/* enum texts: ["NONE", "cvt #", "cvt #", ...] */
se->items = num_items;
se->mask = roundup_pow_of_two(se->items) - 1 ;
sprintf(mux_items, "NONE" );
items[i] = devm_kstrdup(&hdev->dev, mux_items, GFP_KERNEL);
if (!items[i])
return -ENOMEM;
list_for_each_entry(cvt, &hdmi->cvt_list, head) {
i++;
sprintf(mux_items, "cvt %d" , cvt->nid);
items[i] = devm_kstrdup(&hdev->dev, mux_items, GFP_KERNEL);
if (!items[i])
return -ENOMEM;
}
se->texts = devm_kmemdup_array(&hdev->dev, items, num_items, sizeof (items[0 ]), GFP_KERNEL);
if (!se->texts)
return -ENOMEM;
return hdac_hdmi_fill_widget_info(&hdev->dev, widget,
snd_soc_dapm_mux, port, widget_name, NULL, kc, 1 ,
hdac_hdmi_pin_mux_widget_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_REG);
}
/* Add cvt <- input <- mux route map */
static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_device *hdev,
struct snd_soc_dapm_widget *widgets,
struct snd_soc_dapm_route *route, int rindex)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
const struct snd_kcontrol_new *kc;
struct soc_enum *se;
int mux_index = hdmi->num_cvt + hdmi->num_ports;
int i, j;
for (i = 0 ; i < hdmi->num_ports; i++) {
kc = widgets[mux_index].kcontrol_news;
se = (struct soc_enum *)kc->private_value;
for (j = 0 ; j < hdmi->num_cvt; j++) {
hdac_hdmi_fill_route(&route[rindex],
widgets[mux_index].name,
se->texts[j + 1 ],
widgets[j].name, NULL);
rindex++;
}
mux_index++;
}
}
/*
* Widgets are added in the below sequence
* Converter widgets for num converters enumerated
* Pin - port widgets for num ports for Pins enumerated
* Pin - port mux widgets to represent connenction list of pin widget
*
* For each port , one Mux and One output widget is added
* Total widgets elements = num_cvt + ( num_ports * 2 ) ;
*
* Routes are added as below :
* pin - port mux - > pin ( based on num_ports )
* cvt - > " Input sel control " - > pin - port_mux
*
* Total route elements :
* num_ports + ( pin_muxes * num_cvt )
*/
static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_dapm_widget *widgets;
struct snd_soc_dapm_route *route;
struct hdac_device *hdev = dev_to_hdac_dev(dapm->dev);
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct snd_soc_dai_driver *dai_drv = hdmi->dai_drv;
char widget_name[NAME_SIZE];
struct hdac_hdmi_cvt *cvt;
struct hdac_hdmi_pin *pin;
int ret, i = 0 , num_routes = 0 , j;
if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list))
return -EINVAL;
widgets = devm_kzalloc(dapm->dev, (sizeof (*widgets) *
((2 * hdmi->num_ports) + hdmi->num_cvt)),
GFP_KERNEL);
if (!widgets)
return -ENOMEM;
/* DAPM widgets to represent each converter widget */
list_for_each_entry(cvt, &hdmi->cvt_list, head) {
sprintf(widget_name, "Converter %d" , cvt->nid);
ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
snd_soc_dapm_aif_in, cvt,
widget_name, dai_drv[i].playback.stream_name, NULL, 0 ,
hdac_hdmi_cvt_output_widget_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD);
if (ret < 0 )
return ret;
i++;
}
list_for_each_entry(pin, &hdmi->pin_list, head) {
for (j = 0 ; j < pin->num_ports; j++) {
sprintf(widget_name, "hif%d-%d Output" ,
pin->nid, pin->ports[j].id);
ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
snd_soc_dapm_output, &pin->ports[j],
widget_name, NULL, NULL, 0 ,
hdac_hdmi_pin_output_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD);
if (ret < 0 )
return ret;
pin->ports[j].output_pin = widgets[i].name;
i++;
}
}
/* DAPM widgets to represent the connection list to pin widget */
list_for_each_entry(pin, &hdmi->pin_list, head) {
for (j = 0 ; j < pin->num_ports; j++) {
sprintf(widget_name, "Pin%d-Port%d Mux" ,
pin->nid, pin->ports[j].id);
ret = hdac_hdmi_create_pin_port_muxs(hdev,
&pin->ports[j], &widgets[i],
widget_name);
if (ret < 0 )
return ret;
i++;
/* For cvt to pin_mux mapping */
num_routes += hdmi->num_cvt;
/* For pin_mux to pin mapping */
num_routes++;
}
}
route = devm_kzalloc(dapm->dev, (sizeof (*route) * num_routes),
GFP_KERNEL);
if (!route)
return -ENOMEM;
i = 0 ;
/* Add pin <- NULL <- mux route map */
list_for_each_entry(pin, &hdmi->pin_list, head) {
for (j = 0 ; j < pin->num_ports; j++) {
int sink_index = i + hdmi->num_cvt;
int src_index = sink_index + pin->num_ports *
hdmi->num_pin;
hdac_hdmi_fill_route(&route[i],
widgets[sink_index].name, NULL,
widgets[src_index].name, NULL);
i++;
}
}
hdac_hdmi_add_pinmux_cvt_route(hdev, widgets, route, i);
snd_soc_dapm_new_controls(dapm, widgets,
((2 * hdmi->num_ports) + hdmi->num_cvt));
snd_soc_dapm_add_routes(dapm, route, num_routes);
snd_soc_dapm_new_widgets(dapm->card);
return 0 ;
}
static int hdac_hdmi_init_dai_map(struct hdac_device *hdev)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_dai_port_map *dai_map;
struct hdac_hdmi_cvt *cvt;
int dai_id = 0 ;
if (list_empty(&hdmi->cvt_list))
return -EINVAL;
list_for_each_entry(cvt, &hdmi->cvt_list, head) {
dai_map = &hdmi->dai_map[dai_id];
dai_map->dai_id = dai_id;
dai_map->cvt = cvt;
dai_id++;
if (dai_id == HDA_MAX_CVTS) {
dev_warn(&hdev->dev,
"Max dais supported: %d\n" , dai_id);
break ;
}
}
return 0 ;
}
static int hdac_hdmi_add_cvt(struct hdac_device *hdev, hda_nid_t nid)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_cvt *cvt;
char name[NAME_SIZE];
cvt = devm_kzalloc(&hdev->dev, sizeof (*cvt), GFP_KERNEL);
if (!cvt)
return -ENOMEM;
cvt->nid = nid;
sprintf(name, "cvt %d" , cvt->nid);
cvt->name = devm_kstrdup(&hdev->dev, name, GFP_KERNEL);
if (!cvt->name)
return -ENOMEM;
list_add_tail(&cvt->head, &hdmi->cvt_list);
hdmi->num_cvt++;
return hdac_hdmi_query_cvt_params(hdev, cvt);
}
static int hdac_hdmi_parse_eld(struct hdac_device *hdev,
struct hdac_hdmi_port *port)
{
unsigned int ver, mnl;
ver = (port->eld.eld_buffer[DRM_ELD_VER] & DRM_ELD_VER_MASK)
>> DRM_ELD_VER_SHIFT;
if (ver != ELD_VER_CEA_861D && ver != ELD_VER_PARTIAL) {
dev_err_ratelimited(&hdev->dev,
"HDMI: Unknown ELD version %d\n" , ver);
return -EINVAL;
}
mnl = (port->eld.eld_buffer[DRM_ELD_CEA_EDID_VER_MNL] &
DRM_ELD_MNL_MASK) >> DRM_ELD_MNL_SHIFT;
if (mnl > ELD_MAX_MNL) {
dev_err_ratelimited(&hdev->dev,
"HDMI: MNL Invalid %d\n" , mnl);
return -EINVAL;
}
port->eld.info.spk_alloc = port->eld.eld_buffer[DRM_ELD_SPEAKER];
return 0 ;
}
static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin,
struct hdac_hdmi_port *port)
{
struct hdac_device *hdev = pin->hdev;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm;
int size = 0 ;
int port_id = -1 ;
bool eld_valid, eld_changed;
if (!hdmi)
return ;
/*
* In case of non MST pin , get_eld info API expectes port
* to be - 1 .
*/
mutex_lock(&hdmi->pin_mutex);
port->eld.monitor_present = false ;
if (pin->mst_capable)
port_id = port->id;
size = snd_hdac_acomp_get_eld(hdev, pin->nid, port_id,
&port->eld.monitor_present,
port->eld.eld_buffer,
ELD_MAX_SIZE);
if (size > 0 ) {
size = min(size, ELD_MAX_SIZE);
if (hdac_hdmi_parse_eld(hdev, port) < 0 )
size = -EINVAL;
}
eld_valid = port->eld.eld_valid;
if (size > 0 ) {
port->eld.eld_valid = true ;
port->eld.eld_size = size;
} else {
port->eld.eld_valid = false ;
port->eld.eld_size = 0 ;
}
eld_changed = (eld_valid != port->eld.eld_valid);
pcm = hdac_hdmi_get_pcm(hdev, port);
if (!port->eld.monitor_present || !port->eld.eld_valid) {
dev_dbg(&hdev->dev, "%s: disconnect for pin:port %d:%d\n" ,
__func__, pin->nid, port->id);
/*
* PCMs are not registered during device probe , so don ' t
* report jack here . It will be done in usermode mux
* control select .
*/
if (pcm) {
hdac_hdmi_jack_report(pcm, port, false );
schedule_work(&port->dapm_work);
}
mutex_unlock(&hdmi->pin_mutex);
return ;
}
if (port->eld.monitor_present && port->eld.eld_valid) {
if (pcm) {
hdac_hdmi_jack_report(pcm, port, true );
schedule_work(&port->dapm_work);
}
print_hex_dump_debug("ELD: " , DUMP_PREFIX_OFFSET, 16 , 1 ,
port->eld.eld_buffer, port->eld.eld_size, false );
}
mutex_unlock(&hdmi->pin_mutex);
if (eld_changed && pcm)
snd_ctl_notify(hdmi->card,
SNDRV_CTL_EVENT_MASK_VALUE |
SNDRV_CTL_EVENT_MASK_INFO,
&pcm->eld_ctl->id);
}
static int hdac_hdmi_add_ports(struct hdac_device *hdev,
struct hdac_hdmi_pin *pin)
{
struct hdac_hdmi_port *ports;
int max_ports = HDA_MAX_PORTS;
int i;
/*
* FIXME : max_port may vary for each platform , so pass this as
* as driver data or query from i915 interface when this API is
* implemented .
*/
ports = devm_kcalloc(&hdev->dev, max_ports, sizeof (*ports), GFP_KERNEL);
if (!ports)
return -ENOMEM;
for (i = 0 ; i < max_ports; i++) {
ports[i].id = i;
ports[i].pin = pin;
INIT_WORK(&ports[i].dapm_work, hdac_hdmi_jack_dapm_work);
}
pin->ports = ports;
pin->num_ports = max_ports;
return 0 ;
}
static int hdac_hdmi_add_pin(struct hdac_device *hdev, hda_nid_t nid)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pin *pin;
int ret;
pin = devm_kzalloc(&hdev->dev, sizeof (*pin), GFP_KERNEL);
if (!pin)
return -ENOMEM;
pin->nid = nid;
pin->mst_capable = false ;
pin->hdev = hdev;
ret = hdac_hdmi_add_ports(hdev, pin);
if (ret < 0 )
return ret;
list_add_tail(&pin->head, &hdmi->pin_list);
hdmi->num_pin++;
hdmi->num_ports += pin->num_ports;
return 0 ;
}
#define INTEL_VENDOR_NID 0 x08
#define INTEL_GLK_VENDOR_NID 0 x0b
#define INTEL_GET_VENDOR_VERB 0 xf81
#define INTEL_SET_VENDOR_VERB 0 x781
#define INTEL_EN_DP12 0 x02 /* enable DP 1.2 features */
#define INTEL_EN_ALL_PIN_CVTS 0 x01 /* enable 2nd & 3rd pins and convertors */
static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdev)
{
unsigned int vendor_param;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
unsigned int vendor_nid = hdmi->drv_data->vendor_nid;
vendor_param = snd_hdac_codec_read(hdev, 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_hdac_codec_read(hdev, vendor_nid, 0 ,
INTEL_SET_VENDOR_VERB, vendor_param);
if (vendor_param == -1 )
return ;
}
static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdev)
{
unsigned int vendor_param;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
unsigned int vendor_nid = hdmi->drv_data->vendor_nid;
vendor_param = snd_hdac_codec_read(hdev, 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;
vendor_param = snd_hdac_codec_read(hdev, vendor_nid, 0 ,
INTEL_SET_VENDOR_VERB, vendor_param);
if (vendor_param == -1 )
return ;
}
static const struct snd_soc_dai_ops hdmi_dai_ops = {
.startup = hdac_hdmi_pcm_open,
.shutdown = hdac_hdmi_pcm_close,
.hw_params = hdac_hdmi_set_hw_params,
.set_stream = hdac_hdmi_set_stream,
};
/*
* Each converter can support a stream independently . So a dai is created
* based on the number of converter queried .
*/
static int hdac_hdmi_create_dais(struct hdac_device *hdev,
struct snd_soc_dai_driver **dais,
struct hdac_hdmi_priv *hdmi, int num_dais)
{
struct snd_soc_dai_driver *hdmi_dais;
struct hdac_hdmi_cvt *cvt;
char name[NAME_SIZE], dai_name[NAME_SIZE];
int i = 0 ;
u32 rates, bps;
unsigned int rate_max = 384000 , rate_min = 8000 ;
u64 formats;
int ret;
hdmi_dais = devm_kzalloc(&hdev->dev,
(sizeof (*hdmi_dais) * num_dais),
GFP_KERNEL);
if (!hdmi_dais)
return -ENOMEM;
list_for_each_entry(cvt, &hdmi->cvt_list, head) {
ret = snd_hdac_query_supported_pcm(hdev, cvt->nid,
&rates, &formats, NULL, &bps);
if (ret)
return ret;
/* Filter out 44.1, 88.2 and 176.4Khz */
rates &= ~(SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_176400);
if (!rates)
return -EINVAL;
sprintf(dai_name, "intel-hdmi-hifi%d" , i+1 );
hdmi_dais[i].name = devm_kstrdup(&hdev->dev,
dai_name, GFP_KERNEL);
if (!hdmi_dais[i].name)
return -ENOMEM;
snprintf(name, sizeof (name), "hifi%d" , i+1 );
hdmi_dais[i].playback.stream_name =
devm_kstrdup(&hdev->dev, name, GFP_KERNEL);
if (!hdmi_dais[i].playback.stream_name)
return -ENOMEM;
/*
* Set caps based on capability queried from the converter .
* It will be constrained runtime based on ELD queried .
*/
hdmi_dais[i].playback.formats = formats;
hdmi_dais[i].playback.rates = rates;
hdmi_dais[i].playback.rate_max = rate_max;
hdmi_dais[i].playback.rate_min = rate_min;
hdmi_dais[i].playback.channels_min = 2 ;
hdmi_dais[i].playback.channels_max = 2 ;
hdmi_dais[i].playback.sig_bits = bps;
hdmi_dais[i].ops = &hdmi_dai_ops;
i++;
}
*dais = hdmi_dais;
hdmi->dai_drv = hdmi_dais;
return 0 ;
}
/*
* Parse all nodes and store the cvt / pin nids in array
* Add one time initialization for pin and cvt widgets
* /
static int hdac_hdmi_parse_and_map_nid ( struct hdac_device * hdev ,
struct snd_soc_dai_driver * * dais , int * num_dais )
{
hda_nid_t nid ;
int i , num_nodes ;
struct hdac_hdmi_priv * hdmi = hdev_to_hdmi_priv ( hdev ) ;
int ret ;
hdac_hdmi_skl_enable_all_pins ( hdev ) ;
hdac_hdmi_skl_enable_dp12 ( hdev ) ;
num_nodes = snd_hdac_get_sub_nodes ( hdev , hdev - > afg , & nid ) ;
if ( ! nid | | num_nodes < = 0 ) {
dev_warn ( & hdev - > dev , " HDMI : failed to get afg sub nodes \ n " ) ;
return - EINVAL ;
}
for ( i = 0 ; i < num_nodes ; i + + , nid + + ) {
unsigned int caps ;
unsigned int type ;
caps = snd_hdac_get_wcaps ( hdev , nid ) ;
type = snd_hdac_get_wcaps_type ( caps ) ;
if ( ! ( caps & AC_WCAP_DIGITAL ) )
continue ;
switch ( type ) {
case AC_WID_AUD_OUT :
ret = hdac_hdmi_add_cvt ( hdev , nid ) ;
if ( ret < 0 )
return ret ;
break ;
case AC_WID_PIN :
ret = hdac_hdmi_add_pin ( hdev , nid ) ;
if ( ret < 0 )
return ret ;
break ;
}
}
if ( ! hdmi - > num_pin | | ! hdmi - > num_cvt ) {
ret = - EIO ;
dev_err ( & hdev - > dev , " Bad pin / cvt setup in % s \ n " , _ _ func__ ) ;
return ret ;
}
ret = hdac_hdmi_create_dais ( hdev , dais , hdmi , hdmi - > num_cvt ) ;
if ( ret ) {
dev_err ( & hdev - > dev , " Failed to create dais with err : % d \ n " ,
ret ) ;
return ret ;
}
* num_dais = hdmi - > num_cvt ;
ret = hdac_hdmi_init_dai_map ( hdev ) ;
if ( ret < 0 )
dev_err ( & hdev - > dev , " Failed to init DAI map with err : % d \ n " ,
ret ) ;
return ret ;
}
static int hdac_hdmi_pin2port ( void * aptr , int pin )
{
return pin - 4 ; return pin - 4; /* map NID 0x05 -> port #1 */
}
static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe)
{
struct hdac_device *hdev = aptr;
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pin *pin;
struct hdac_hdmi_port *hport = NULL;
struct snd_soc_component *component = hdmi->component;
int i;
/* Don't know how this mapping is derived */
hda_nid_t pin_nid = port + 0 x04;
dev_dbg(&hdev->dev, "%s: for pin:%d port=%d\n" , __func__,
pin_nid, pipe);
/*
* skip notification during system suspend ( but not in runtime PM ) ;
* the state will be updated at resume . Also since the ELD and
* connection states are updated in anyway at the end of the resume ,
* we can skip it when received during PM process .
*/
if (snd_power_get_state(component->card->snd_card) !=
SNDRV_CTL_POWER_D0)
return ;
if (atomic_read(&hdev->in_pm))
return ;
list_for_each_entry(pin, &hdmi->pin_list, head) {
if (pin->nid != pin_nid)
continue ;
/* In case of non MST pin, pipe is -1 */
if (pipe == -1 ) {
pin->mst_capable = false ;
/* if not MST, default is port[0] */
hport = &pin->ports[0 ];
} else {
for (i = 0 ; i < pin->num_ports; i++) {
pin->mst_capable = true ;
if (pin->ports[i].id == pipe) {
hport = &pin->ports[i];
break ;
}
}
}
if (hport)
hdac_hdmi_present_sense(pin, hport);
}
}
static struct drm_audio_component_audio_ops aops = {
.pin2port = hdac_hdmi_pin2port,
.pin_eld_notify = hdac_hdmi_eld_notify_cb,
};
static void hdac_hdmi_present_sense_all_pins(struct hdac_device *hdev,
struct hdac_hdmi_priv *hdmi, bool detect_pin_caps)
{
int i;
struct hdac_hdmi_pin *pin;
list_for_each_entry(pin, &hdmi->pin_list, head) {
if (detect_pin_caps) {
if (hdac_hdmi_get_port_len(hdev, pin->nid) == 0 )
pin->mst_capable = false ;
else
pin->mst_capable = true ;
}
for (i = 0 ; i < pin->num_ports; i++) {
if (!pin->mst_capable && i > 0 )
continue ;
hdac_hdmi_present_sense(pin, &pin->ports[i]);
}
}
}
static int hdmi_codec_probe(struct snd_soc_component *component)
{
struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
struct hdac_device *hdev = hdmi->hdev;
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
struct hdac_ext_link *hlink;
int ret;
hdmi->component = component;
/*
* hold the ref while we probe , also no need to drop the ref on
* exit , we call pm_runtime_suspend ( ) so that will do for us
*/
hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
if (!hlink) {
dev_err(&hdev->dev, "hdac link not found\n" );
return -EIO;
}
snd_hdac_ext_bus_link_get(hdev->bus, hlink);
ret = create_fill_widget_route_map(dapm);
if (ret < 0 )
return ret;
aops.audio_ptr = hdev;
ret = snd_hdac_acomp_register_notifier(hdev->bus, &aops);
if (ret < 0 ) {
dev_err(&hdev->dev, "notifier register failed: err: %d\n" , ret);
return ret;
}
hdac_hdmi_present_sense_all_pins(hdev, hdmi, true );
/* Imp: Store the card pointer in hda_codec */
hdmi->card = dapm->card->snd_card;
/*
* Setup a device_link between card device and HDMI codec device .
* The card device is the consumer and the HDMI codec device is
* the supplier . With this setting , we can make sure that the audio
* domain in display power will be always turned on before operating
* on the HDMI audio codec registers .
* Let ' s use the flag DL_FLAG_AUTOREMOVE_CONSUMER . This can make
* sure the device link is freed when the machine driver is removed .
*/
device_link_add(component->card->dev, &hdev->dev, DL_FLAG_RPM_ACTIVE |
DL_FLAG_AUTOREMOVE_CONSUMER);
/*
* hdac_device core already sets the state to active and calls
* get_noresume . So enable runtime and set the device to suspend .
*/
pm_runtime_enable(&hdev->dev);
pm_runtime_put(&hdev->dev);
pm_runtime_suspend(&hdev->dev);
return 0 ;
}
static void hdmi_codec_remove(struct snd_soc_component *component)
{
struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
struct hdac_device *hdev = hdmi->hdev;
int ret;
ret = snd_hdac_acomp_register_notifier(hdev->bus, NULL);
if (ret < 0 )
dev_err(&hdev->dev, "notifier unregister failed: err: %d\n" ,
ret);
pm_runtime_disable(&hdev->dev);
}
static int hdmi_codec_resume(struct device *dev)
{
struct hdac_device *hdev = dev_to_hdac_dev(dev);
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
int ret;
ret = pm_runtime_force_resume(dev);
if (ret < 0 )
return ret;
/*
* As the ELD notify callback request is not entertained while the
* device is in suspend state . Need to manually check detection of
* all pins here . pin capablity change is not support , so use the
* already set pin caps .
*
* NOTE : this is safe to call even if the codec doesn ' t actually resume .
* The pin check involves only with DRM audio component hooks , so it
* works even if the HD - audio side is still dreaming peacefully .
*/
hdac_hdmi_present_sense_all_pins(hdev, hdmi, false );
return 0 ;
}
static const struct snd_soc_component_driver hdmi_hda_codec = {
.probe = hdmi_codec_probe,
.remove = hdmi_codec_remove,
.use_pmdown_time = 1 ,
.endianness = 1 ,
};
static void hdac_hdmi_get_chmap(struct hdac_device *hdev, int pcm_idx,
unsigned char *chmap)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
memcpy(chmap, pcm->chmap, ARRAY_SIZE(pcm->chmap));
}
static void hdac_hdmi_set_chmap(struct hdac_device *hdev, int pcm_idx,
unsigned char *chmap, int prepared)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
struct hdac_hdmi_port *port;
if (!pcm)
return ;
if (list_empty(&pcm->port_list))
return ;
mutex_lock(&pcm->lock);
pcm->chmap_set = true ;
memcpy(pcm->chmap, chmap, ARRAY_SIZE(pcm->chmap));
list_for_each_entry(port, &pcm->port_list, head)
if (prepared)
hdac_hdmi_setup_audio_infoframe(hdev, pcm, port);
mutex_unlock(&pcm->lock);
}
static bool is_hdac_hdmi_pcm_attached(struct hdac_device *hdev, int pcm_idx)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
if (!pcm)
return false ;
if (list_empty(&pcm->port_list))
return false ;
return true ;
}
static int hdac_hdmi_get_spk_alloc(struct hdac_device *hdev, int pcm_idx)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
struct hdac_hdmi_port *port;
if (!pcm)
return 0 ;
if (list_empty(&pcm->port_list))
return 0 ;
port = list_first_entry(&pcm->port_list, struct hdac_hdmi_port, head);
if (!port || !port->eld.eld_valid)
return 0 ;
return port->eld.info.spk_alloc;
}
static struct hdac_hdmi_drv_data intel_glk_drv_data = {
.vendor_nid = INTEL_GLK_VENDOR_NID,
};
static struct hdac_hdmi_drv_data intel_drv_data = {
.vendor_nid = INTEL_VENDOR_NID,
};
static int hdac_hdmi_dev_probe(struct hdac_device *hdev)
{
struct hdac_hdmi_priv *hdmi_priv;
struct snd_soc_dai_driver *hdmi_dais = NULL;
struct hdac_ext_link *hlink;
int num_dais = 0 ;
int ret;
struct hdac_driver *hdrv = drv_to_hdac_driver(hdev->dev.driver);
const struct hda_device_id *hdac_id = hdac_get_device_id(hdev, hdrv);
/* hold the ref while we probe */
hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
if (!hlink) {
dev_err(&hdev->dev, "hdac link not found\n" );
return -EIO;
}
snd_hdac_ext_bus_link_get(hdev->bus, hlink);
hdmi_priv = devm_kzalloc(&hdev->dev, sizeof (*hdmi_priv), GFP_KERNEL);
if (hdmi_priv == NULL)
return -ENOMEM;
snd_hdac_register_chmap_ops(hdev, &hdmi_priv->chmap);
hdmi_priv->chmap.ops.get_chmap = hdac_hdmi_get_chmap;
hdmi_priv->chmap.ops.set_chmap = hdac_hdmi_set_chmap;
hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached;
hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc;
hdmi_priv->hdev = hdev;
if (!hdac_id)
return -ENODEV;
if (hdac_id->driver_data)
hdmi_priv->drv_data =
(struct hdac_hdmi_drv_data *)hdac_id->driver_data;
else
hdmi_priv->drv_data = &intel_drv_data;
dev_set_drvdata(&hdev->dev, hdmi_priv);
INIT_LIST_HEAD(&hdmi_priv->pin_list);
INIT_LIST_HEAD(&hdmi_priv->cvt_list);
INIT_LIST_HEAD(&hdmi_priv->pcm_list);
mutex_init(&hdmi_priv->pin_mutex);
/*
* Turned off in the runtime_suspend during the first explicit
* pm_runtime_suspend call .
*/
snd_hdac_display_power(hdev->bus, hdev->addr, true );
ret = hdac_hdmi_parse_and_map_nid(hdev, &hdmi_dais, &num_dais);
if (ret < 0 ) {
dev_err(&hdev->dev,
"Failed in parse and map nid with err: %d\n" , ret);
return ret;
}
snd_hdac_refresh_widgets(hdev);
/* ASoC specific initialization */
ret = devm_snd_soc_register_component(&hdev->dev, &hdmi_hda_codec,
hdmi_dais, num_dais);
snd_hdac_ext_bus_link_put(hdev->bus, hlink);
return ret;
}
static void clear_dapm_works(struct hdac_device *hdev)
{
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
struct hdac_hdmi_pin *pin;
int i;
list_for_each_entry(pin, &hdmi->pin_list, head)
for (i = 0 ; i < pin->num_ports; i++)
cancel_work_sync(&pin->ports[i].dapm_work);
}
static int hdac_hdmi_dev_remove(struct hdac_device *hdev)
{
clear_dapm_works(hdev);
snd_hdac_display_power(hdev->bus, hdev->addr, false );
return 0 ;
}
static int hdac_hdmi_runtime_suspend(struct device *dev)
{
struct hdac_device *hdev = dev_to_hdac_dev(dev);
struct hdac_bus *bus = hdev->bus;
struct hdac_ext_link *hlink;
dev_dbg(dev, "Enter: %s\n" , __func__);
/* controller may not have been initialized for the first time */
if (!bus)
return 0 ;
/*
* Power down afg .
* codec_read is preferred over codec_write to set the power state .
* This way verb is send to set the power state and response
* is received . So setting power state is ensured without using loop
* to read the state .
*/
snd_hdac_codec_read(hdev, hdev->afg, 0 , AC_VERB_SET_POWER_STATE,
AC_PWRST_D3);
hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, dev_name(dev));
if (!hlink) {
dev_err(dev, "hdac link not found\n" );
return -EIO;
}
snd_hdac_codec_link_down(hdev);
snd_hdac_ext_bus_link_put(bus, hlink);
snd_hdac_display_power(bus, hdev->addr, false );
return 0 ;
}
static int hdac_hdmi_runtime_resume(struct device *dev)
{
struct hdac_device *hdev = dev_to_hdac_dev(dev);
struct hdac_bus *bus = hdev->bus;
struct hdac_ext_link *hlink;
dev_dbg(dev, "Enter: %s\n" , __func__);
/* controller may not have been initialized for the first time */
if (!bus)
return 0 ;
hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, dev_name(dev));
if (!hlink) {
dev_err(dev, "hdac link not found\n" );
return -EIO;
}
snd_hdac_ext_bus_link_get(bus, hlink);
snd_hdac_codec_link_up(hdev);
snd_hdac_display_power(bus, hdev->addr, true );
hdac_hdmi_skl_enable_all_pins(hdev);
hdac_hdmi_skl_enable_dp12(hdev);
/* Power up afg */
snd_hdac_codec_read(hdev, hdev->afg, 0 , AC_VERB_SET_POWER_STATE,
AC_PWRST_D0);
return 0 ;
}
static const struct dev_pm_ops hdac_hdmi_pm = {
RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL)
SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, hdmi_codec_resume)
};
static const struct hda_device_id hdmi_list[] = {
HDA_CODEC_EXT_ENTRY(0 x80862809, 0 x100000, "Skylake HDMI" , 0 ),
HDA_CODEC_EXT_ENTRY(0 x8086280a, 0 x100000, "Broxton HDMI" , 0 ),
HDA_CODEC_EXT_ENTRY(0 x8086280b, 0 x100000, "Kabylake HDMI" , 0 ),
HDA_CODEC_EXT_ENTRY(0 x8086280c, 0 x100000, "Cannonlake HDMI" ,
&intel_glk_drv_data),
HDA_CODEC_EXT_ENTRY(0 x8086280d, 0 x100000, "Geminilake HDMI" ,
&intel_glk_drv_data),
{}
};
MODULE_DEVICE_TABLE(hdaudio, hdmi_list);
static struct hdac_driver hdmi_driver = {
.driver = {
.name = "HDMI HDA Codec" ,
.pm = pm_ptr(&hdac_hdmi_pm),
},
.id_table = hdmi_list,
.probe = hdac_hdmi_dev_probe,
.remove = hdac_hdmi_dev_remove,
};
static int __init hdmi_init(void )
{
return snd_hda_ext_driver_register(&hdmi_driver);
}
static void __exit hdmi_exit(void )
{
snd_hda_ext_driver_unregister(&hdmi_driver);
}
module_init(hdmi_init);
module_exit(hdmi_exit);
MODULE_LICENSE("GPL v2" );
MODULE_DESCRIPTION("HDMI HD codec" );
MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>" );
MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>" );
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