/sound/soc/codecs/hdac_hdmi.c
C | 2207 lines | 1602 code | 394 blank | 211 comment | 218 complexity | 209516e4b93a7df94b3d54e0a9e5183a MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms
- *
- * Copyright (C) 2014-2015 Intel Corp
- * Author: Samreen Nilofer <samreen.nilofer@intel.com>
- * Subhransu S. Prusty <subhransu.s.prusty@intel.com>
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
- #include <linux/init.h>
- #include <linux/delay.h>
- #include <linux/module.h>
- #include <linux/pm_runtime.h>
- #include <linux/hdmi.h>
- #include <drm/drm_edid.h>
- #include <sound/pcm_params.h>
- #include <sound/jack.h>
- #include <sound/soc.h>
- #include <sound/hdaudio_ext.h>
- #include <sound/hda_i915.h>
- #include <sound/pcm_drm_eld.h>
- #include <sound/hda_chmap.h>
- #include "../../hda/local.h"
- #include "hdac_hdmi.h"
- #define NAME_SIZE 32
- #define AMP_OUT_MUTE 0xb080
- #define AMP_OUT_UNMUTE 0xb000
- #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
- #define ELD_FIXED_BYTES 20
- #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 rates;
- u64 formats;
- unsigned int maxbps;
- };
- struct hdac_hdmi_cvt {
- struct list_head head;
- hda_nid_t nid;
- const char *name;
- struct hdac_hdmi_cvt_params params;
- };
- /* 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;
- };
- struct hdac_hdmi_pin {
- struct list_head head;
- hda_nid_t nid;
- bool mst_capable;
- struct hdac_hdmi_port *ports;
- int num_ports;
- struct hdac_device *hdev;
- };
- struct hdac_hdmi_port {
- struct list_head 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 *output_pin;
- struct work_struct dapm_work;
- };
- struct hdac_hdmi_pcm {
- struct list_head head;
- int pcm_id;
- struct list_head port_list;
- struct hdac_hdmi_cvt *cvt;
- struct snd_soc_jack *jack;
- int stream_tag;
- int channels;
- int format;
- bool chmap_set;
- unsigned char chmap[8]; /* ALSA API channel-map */
- struct mutex lock;
- int jack_event;
- };
- struct hdac_hdmi_dai_port_map {
- int dai_id;
- struct hdac_hdmi_port *port;
- struct hdac_hdmi_cvt *cvt;
- };
- struct hdac_hdmi_drv_data {
- unsigned 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];
- struct list_head pin_list;
- 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 snd_soc_dai_driver *dai_drv;
- };
- #define hdev_to_hdmi_priv(_hdev) dev_get_drvdata(&(_hdev)->dev)
- static struct hdac_hdmi_pcm *
- 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->pcm_list, head) {
- if (pcm->cvt == cvt)
- return pcm;
- }
- return NULL;
- }
- static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm,
- struct hdac_hdmi_port *port, bool is_connect)
- {
- struct hdac_device *hdev = port->pin->hdev;
- port->is_connect = is_connect;
- if (is_connect) {
- /*
- * Report Jack connect event when a device is connected
- * for the first time where same PCM is attached to multiple
- * ports.
- */
- if (pcm->jack_event == 0) {
- dev_dbg(&hdev->dev,
- "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 {
- /*
- * Report Jack disconnect event when a device is disconnected
- * 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)
- pcm->jack_event--;
- }
- }
- static void hdac_hdmi_port_dapm_update(struct hdac_hdmi_port *port)
- {
- if (port->is_connect)
- 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 void hdac_hdmi_jack_dapm_work(struct work_struct *work)
- {
- 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 = get_wcaps(hdev, nid);
- type = get_wcaps_type(caps);
- if (!(caps & AC_WCAP_DIGITAL) || (type != AC_WID_PIN))
- return 0;
- param = snd_hdac_read_parm_uncached(hdev, nid, AC_PAR_DEVLIST_LEN);
- if (param == -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_device *hdev,
- struct hdac_hdmi_port *port)
- {
- return snd_hdac_codec_read(hdev, port->pin->nid,
- 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 num_ports;
- if (!port->pin->mst_capable)
- return 0;
- /* AC_PAR_DEVLIST_LEN is 0 based. */
- num_ports = hdac_hdmi_get_port_len(hdev, port->pin->nid);
- if (num_ports < 0)
- return -EIO;
- /*
- * Device List Length is a 0 based integer value indicating the
- * number of sink device that a MST Pin Widget can support.
- */
- if (num_ports + 1 < port->id)
- return 0;
- snd_hdac_codec_write(hdev, port->pin->nid, 0,
- AC_VERB_SET_DEVICE_SEL, port->id);
- if (port->id != hdac_hdmi_port_select_get(hdev, port))
- return -EIO;
- dev_dbg(&hdev->dev, "Selected the port=%d\n", port->id);
- return 0;
- }
- static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *hdmi,
- int pcm_idx)
- {
- struct hdac_hdmi_pcm *pcm;
- list_for_each_entry(pcm, &hdmi->pcm_list, head) {
- if (pcm->pcm_id == pcm_idx)
- return pcm;
- }
- return NULL;
- }
- static unsigned int sad_format(const u8 *sad)
- {
- return ((sad[0] >> 0x3) & 0x1f);
- }
- 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_S16;
- 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) {
- if (sad_format(sad) == 1) { /* 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) & 0x6)
- formats |= SNDRV_PCM_FMTBIT_S32;
- }
- }
- format_constraint:
- return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT,
- 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 & 0x1f);
- snd_hdac_codec_write(hdev, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
- }
- 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;
- };
- static int hdac_hdmi_setup_audio_infoframe(struct hdac_device *hdev,
- 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;
- struct hdac_hdmi_pin *pin = port->pin;
- struct dp_audio_infoframe dp_ai;
- struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
- 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->channels, pcm->chmap_set, true, pcm->chmap);
- 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;
- frame.channel_allocation = ca;
- ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
- if (ret < 0)
- return ret;
- break;
- case DRM_ELD_CONN_TYPE_DP:
- memset(&dp_ai, 0, sizeof(dp_ai));
- dp_ai.type = 0x84;
- dp_ai.len = 0x1b;
- dp_ai.ver = 0x11 << 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 -EIO;
- }
- /* stop infoframe transmission */
- hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0);
- 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, 0x0, 0x0);
- if (conn_type == DRM_ELD_CONN_TYPE_HDMI) {
- for (i = 0; i < sizeof(buffer); i++)
- snd_hdac_codec_write(hdev, pin->nid, 0,
- 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]);
- }
- /* Start infoframe */
- hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0);
- snd_hdac_codec_write(hdev, pin->nid, 0,
- AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST);
- return 0;
- }
- static int hdac_hdmi_set_tdm_slot(struct snd_soc_dai *dai,
- unsigned int tx_mask, unsigned int rx_mask,
- int slots, int slot_width)
- {
- 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;
- struct hdac_hdmi_pcm *pcm;
- dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__, tx_mask);
- dai_map = &hdmi->dai_map[dai->id];
- pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
- if (pcm)
- pcm->stream_tag = (tx_mask << 4);
- return 0;
- }
- static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream,
- 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;
- int format;
- dai_map = &hdmi->dai_map[dai->id];
- format = snd_hdac_calc_stream_format(params_rate(hparams),
- params_channels(hparams), params_format(hparams),
- dai->driver->playback.sig_bits, 0);
- pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt);
- if (!pcm)
- return -EIO;
- pcm->format = format;
- 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 (!(get_wcaps(hdev, pin->nid) & AC_WCAP_CONN_LIST)) {
- dev_warn(&hdev->dev,
- "HDMI: pin %d wcaps %#x does not support connection list\n",
- pin->nid, get_wcaps(hdev, pin->nid));
- 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->nid, port->id);
- 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 = NULL;
- int ret, i;
- list_for_each_entry(pcm, &hdmi->pcm_list, head) {
- if (pcm->cvt == cvt) {
- if (list_empty(&pcm->port_list))
- continue;
- list_for_each_entry(port, &pcm->port_list, head) {
- mutex_lock(&pcm->lock);
- ret = hdac_hdmi_query_port_connlist(hdev,
- 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;
- struct hdac_hdmi_cvt *cvt;
- int cvt_idx = 0;
- list_for_each_entry(cvt, &hdmi->cvt_list, head) {
- port = hdac_hdmi_get_port_from_cvt(hdev, hdmi, cvt);
- if (port && port->pin) {
- 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;
- struct hdac_hdmi_cvt *cvt;
- struct hdac_hdmi_port *port;
- int ret;
- dai_map = &hdmi->dai_map[dai->id];
- cvt = dai_map->cvt;
- port = hdac_hdmi_get_port_from_cvt(hdev, hdmi, cvt);
- /*
- * 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)) {
- dev_warn(&hdev->dev,
- "Failed: present?:%d ELD valid?:%d pin:port: %d:%d\n",
- port->eld.monitor_present, port->eld.eld_valid,
- port->pin->nid, port->id);
- return 0;
- }
- dai_map->port = port;
- ret = hdac_hdmi_eld_limit_formats(substream->runtime,
- 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
- hdac_hdmi_query_cvt_params(struct hdac_device *hdev, struct hdac_hdmi_cvt *cvt)
- {
- unsigned int chans;
- struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
- int err;
- chans = get_wcaps(hdev, cvt->nid);
- chans = get_wcaps_channels(chans);
- 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,
- &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 = NULL;
- 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 (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 (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 = NULL;
- 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_next, &pcm->port_list, head) {
- if (p == port && p->id == port->id &&
- p->pin == port->pin) {
- hdac_hdmi_jack_report_sync(pcm, port, false);
- list_del(&p->head);
- }
- }
- }
- /*
- * Jack status is not reported during device probe as the
- * PCMs are not registered by then. So report it here.
- */
- list_for_each_entry(pcm, &hdmi->pcm_list, head) {
- if (!strcmp(cvt_name, pcm->cvt->name)) {
- list_add_tail(&port->head, &pcm->port_list);
- if (port->eld.monitor_present && port->eld.eld_valid) {
- hdac_hdmi_jack_report_sync(pcm, port, true);
- mutex_unlock(&hdmi->pin_mutex);
- return ret;
- }
- }
- }
- mutex_unlock(&hdmi->pin_mutex);
- return ret;
- }
- /*
- * Ideally the Mux inputs should be based on the num_muxs enumerated, but
- * the display driver seem to be programming the connection list for the pin
- * widget runtime.
- *
- * So programming all the possible inputs for the mux, the user has to take
- * 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(&hdev->dev, items,
- (num_items * sizeof(char *)), 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(&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(&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;
- 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;
- }
- if (size > 0) {
- port->eld.eld_valid = true;
- port->eld.eld_size = size;
- } else {
- port->eld.eld_valid = false;
- port->eld.eld_size = 0;
- }
- pcm = hdac_hdmi_get_pcm(hdev, port);
- if (!port->eld.monitor_present || !port->eld.eld_valid) {
- dev_err(&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);
- }
- 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 0x08
- #define INTEL_GLK_VENDOR_NID 0x0b
- #define INTEL_GET_VENDOR_VERB 0xf81
- #define INTEL_SET_VENDOR_VERB 0x781
- #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */
- #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */
- static void 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_tdm_slot = hdac_hdmi_set_tdm_slot,
- };
- /*
- * 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, &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 = get_wcaps(hdev, nid);
- type = 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; /* 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 = NULL;
- 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 + 0x04;
- 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 struct snd_pcm *hdac_hdmi_get_pcm_from_id(struct snd_soc_card *card,
- int device)
- {
- struct snd_soc_pcm_runtime *rtd;
- for_each_card_rtds(card, rtd) {
- if (rtd->pcm && (rtd->pcm->device == device))
- return rtd->pcm;
- }
- return NULL;
- }
- /* create jack pin kcontrols */
- static int create_fill_jack_kcontrols(struct snd_soc_card *card,
- struct hdac_device *hdev)
- {
- struct hdac_hdmi_pin *pin;
- struct snd_kcontrol_new *kc;
- char kc_name[NAME_SIZE], xname[NAME_SIZE];
- char *name;
- int i = 0, j;
- struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev);
- struct snd_soc_component *component = hdmi->component;
- kc = devm_kcalloc(component->dev, hdmi->num_ports,
- sizeof(*kc), GFP_KERNEL);
- if (!kc)
- return -ENOMEM;
- list_for_each_entry(pin, &hdmi->pin_list, head) {
- for (j = 0; j < pin->num_ports; j++) {
- snprintf(xname, sizeof(xname), "hif%d-%d Jack",
- pin->nid, pin->ports[j].id);
- name = devm_kstrdup(component->dev, xname, GFP_KERNEL);
- if (!name)
- return -ENOMEM;
- snprintf(kc_name, sizeof(kc_name), "%s Switch", xname);
- kc[i].name = devm_kstrdup(component->dev, kc_name,
- GFP_KERNEL);
- if (!kc[i].name)
- return -ENOMEM;
- kc[i].private_value = (unsigned long)name;
- kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- kc[i].access = 0;
- kc[i].info = snd_soc_dapm_info_pin_switch;
- kc[i].put = snd_soc_dapm_put_pin_switch;
- kc[i].get = snd_soc_dapm_get_pin_switch;
- i++;
- }
- }
- return snd_soc_add_card_controls(card, kc, i);
- }
- int hdac_hdmi_jack_port_init(struct snd_soc_component *component,
- struct snd_soc_dapm_context *dapm)
- {
- struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
- struct hdac_device *hdev = hdmi->hdev;
- struct hdac_hdmi_pin *pin;
- struct snd_soc_dapm_widget *widgets;
- struct snd_soc_dapm_route *route;
- char w_name[NAME_SIZE];
- int i = 0, j, ret;
- widgets = devm_kcalloc(dapm->dev, hdmi->num_ports,
- sizeof(*widgets), GFP_KERNEL);
- if (!widgets)
- return -ENOMEM;
- route = devm_kcalloc(dapm->dev, hdmi->num_ports,
- sizeof(*route), GFP_KERNEL);
- if (!route)
- return -ENOMEM;
- /* create Jack DAPM widget */
- list_for_each_entry(pin, &hdmi->pin_list, head) {
- for (j = 0; j < pin->num_ports; j++) {
- snprintf(w_name, sizeof(w_name), "hif%d-%d Jack",
- pin->nid, pin->ports[j].id);
- ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
- snd_soc_dapm_spk, NULL,
- w_name, NULL, NULL, 0, NULL, 0);
- if (ret < 0)
- return ret;
- pin->ports[j].jack_pin = widgets[i].name;
- pin->ports[j].dapm = dapm;
- /* add to route from Jack widget to output */
- hdac_hdmi_fill_route(&route[i], pin->ports[j].jack_pin,
- NULL, pin->ports[j].output_pin, NULL);
- i++;
- }
- }
- /* Add Route from Jack widget to the output widget */
- ret = snd_soc_dapm_new_controls(dapm, widgets, hdmi->num_ports);
- if (ret < 0)
- return ret;
- ret = snd_soc_dapm_add_routes(dapm, route, hdmi->num_ports);
- if (ret < 0)
- return ret;
- ret = snd_soc_dapm_new_widgets(dapm->card);
- if (ret < 0)
- return ret;
- /* Add Jack Pin switch Kcontrol */
- ret = create_fill_jack_kcontrols(dapm->card, hdev);
- if (ret < 0)
- return ret;
- /* default set the Jack Pin switch to OFF */
- list_for_each_entry(pin, &hdmi->pin_list, head) {
- for (j = 0; j < pin->num_ports; j++)
- snd_soc_dapm_disable_pin(pin->ports[j].dapm,
- pin->ports[j].jack_pin);
- }
- return 0;
- }
- EXPORT_SYMBOL_GPL(hdac_hdmi_jack_port_init);
- int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device,
- struct snd_soc_jack *jack)
- {
- struct snd_soc_component *component = dai->component;
- struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component);
- struct hdac_device *hdev = hdmi->hdev;
- struct hdac_hdmi_pcm *pcm;
- struct snd_pcm *snd_pcm;
- int err;
- /*
- * this is a new PCM device, create new pcm and
- * add to the pcm list
- */
- pcm = devm_kzalloc(&hdev->dev, sizeof(*pcm), GFP_KERNEL);
- if (!pcm)
- return -ENOMEM;
- pcm->pcm_id = device;
- pcm->cvt = hdmi->dai_map[dai->id].cvt;
- pcm->jack_event = 0;
- pcm->jack = jack;
- mutex_init(&pcm->lock);
- INIT_LIST_HEAD(&pcm->port_list);
- snd_pcm = hdac_hdmi_get_pcm_from_id(dai->component->card, device);
- if (snd_pcm) {
- err = snd_hdac_add_chmap_ctls(snd_pcm, device, &hdmi->chmap);
- if (err < 0) {
- dev_err(&hdev->dev,
- "chmap control add failed with err: %d for pcm: %d\n",
- err, device);
- return err;
- }
- }
- list_add_tail(&pcm->head, &hdmi->pcm_list);
- return 0;
- }
- EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init);
- 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 = NULL;
- 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_link(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);
- }
- #ifdef CONFIG_PM_SLEEP
- 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;
- }
- #else
- #define hdmi_codec_resume NULL
- #endif
- static const struct snd_soc_component_driver hdmi_hda_codec = {
- .probe = hdmi_codec_probe,
- .remove = hdmi_codec_remove,
- .use_pmdown_time = 1,
- .endianness = 1,
- .non_legacy_dai_naming = 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_link(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;
- }
- #ifdef CONFIG_PM
- 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 = NULL;
- dev_dbg(dev, "Enter: %s\n", __func__);
- /* controller may not have been initialized for the first time */
- if (!bus)
- return 0;
- clear_dapm_works(hdev);
- /*
- * 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_link(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 = NULL;
- 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_link(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;
- }
- #else
- #define hdac_hdmi_runtime_suspend NULL
- #define hdac_hdmi_runtime_resume NULL
- #endif
- static const struct dev_pm_ops hdac_hdmi_pm = {
- SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL)
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, hdmi_codec_resume)
- };
- static const struct hda_device_id hdmi_list[] = {
- HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0),
- HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0),
- HDA_CODEC_EXT_ENTRY(0x8086280b, 0x100000, "Kabylake HDMI", 0),
- HDA_CODEC_EXT_ENTRY(0x8086280c, 0x100000, "Cannonlake HDMI",
- &intel_glk_drv_data),
- HDA_CODEC_EXT_ENTRY(0x8086280d, 0x100000, "Geminilake HDMI",
- &intel_glk_drv_data),
- {}
- };
- MODULE_DEVICE_TABLE(hdaudio, hdmi_list);
- static struct hdac_driver hdmi_driver = {
- .driver = {
- .name = "HDMI HDA Codec",
- .pm = &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>");