| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Subhransu S. Prusty | 5050 | 48.67% | 25 | 32.47% |
| Jeeja KP | 3862 | 37.22% | 17 | 22.08% |
| Rakesh A Ughreja | 463 | 4.46% | 5 | 6.49% |
| Bard Liao | 223 | 2.15% | 1 | 1.30% |
| Vinod Koul | 199 | 1.92% | 3 | 3.90% |
| Sandeep Tayal | 179 | 1.73% | 1 | 1.30% |
| Pradeep Tewani | 129 | 1.24% | 1 | 1.30% |
| Takashi Iwai | 89 | 0.86% | 7 | 9.09% |
| Kuninori Morimoto | 54 | 0.52% | 3 | 3.90% |
| Abhijeet Kumar | 45 | 0.43% | 1 | 1.30% |
| Yong Zhi | 21 | 0.20% | 1 | 1.30% |
| Guneshwor Singh | 12 | 0.12% | 1 | 1.30% |
| Shreyas NC | 11 | 0.11% | 1 | 1.30% |
| Ramesh Babu K V | 8 | 0.08% | 1 | 1.30% |
| Pierre-Louis Bossart | 8 | 0.08% | 1 | 1.30% |
| Puneeth Prabhu | 7 | 0.07% | 1 | 1.30% |
| Vedang Patel | 6 | 0.06% | 1 | 1.30% |
| Mark Brown | 3 | 0.03% | 1 | 1.30% |
| Dhinakaran Pandiyan | 3 | 0.03% | 1 | 1.30% |
| Dan Carpenter | 1 | 0.01% | 1 | 1.30% |
| Sudip Mukherjee | 1 | 0.01% | 1 | 1.30% |
| Bhumika Goyal | 1 | 0.01% | 1 | 1.30% |
| Gustavo A. R. Silva | 1 | 0.01% | 1 | 1.30% |
| Total | 10376 | 77 |
/* * 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> * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #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; struct snd_soc_dapm_context *dapm; const char *output_pin; }; 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; }; /* * pin to port mapping table where the value indicate the pin number and * the index indicate the port number with 1 base. */ static const int icl_pin2port_map[] = {0x4, 0x6, 0x8, 0xa, 0xb}; struct hdac_hdmi_drv_data { unsigned int vendor_nid; const int *port_map; /* pin to port mapping table */ int port_num; }; 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 = NULL; list_for_each_entry(pcm, &hdmi->pcm_list, head) { if (pcm->cvt == cvt) break; } return pcm; } 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; if (is_connect) snd_soc_dapm_enable_pin(port->dapm, port->jack_pin); else snd_soc_dapm_disable_pin(port->dapm, port->jack_pin); 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--; } snd_soc_dapm_sync(port->dapm); } /* 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_device *hdev = hdmi->hdev; struct hdac_hdmi_dai_port_map *dai_map; struct hdac_hdmi_port *port; struct hdac_hdmi_pcm *pcm; int format; dai_map = &hdmi->dai_map[dai->id]; port = dai_map->port; if (!port) return -ENODEV; if ((!port->eld.monitor_present) || (!port->eld.eld_valid)) { dev_err(&hdev->dev, "device is not configured for this pin:port%d:%d\n", port->pin->nid, port->id); return -ENODEV; } 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; } /* * 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); 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(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(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 = kzalloc(sizeof(*cvt), GFP_KERNEL); if (!cvt) return -ENOMEM; cvt->nid = nid; sprintf(name, "cvt %d", cvt->nid); cvt->name = kstrdup(name, GFP_KERNEL); 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); mutex_unlock(&hdmi->pin_mutex); return; } if (port->eld.monitor_present && port->eld.eld_valid) { if (pcm) hdac_hdmi_jack_report(pcm, port, true); 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_hdmi_priv *hdmi, 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 = kcalloc(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; } 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 = kzalloc(sizeof(*pin), GFP_KERNEL); if (!pin) return -ENOMEM; pin->nid = nid; pin->mst_capable = false; pin->hdev = hdev; ret = hdac_hdmi_add_ports(hdmi, 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_0x2 0x02 #define INTEL_VENDOR_NID_0x8 0x08 #define INTEL_VENDOR_NID_0xb 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_cvt *temp_cvt, *cvt_next; struct hdac_hdmi_pin *temp_pin, *pin_next; 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) goto free_widgets; break; case AC_WID_PIN: ret = hdac_hdmi_add_pin(hdev, nid); if (ret < 0) goto free_widgets; break; } } if (!hdmi->num_pin || !hdmi->num_cvt) { ret = -EIO; goto free_widgets; } 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); goto free_widgets; } *num_dais = hdmi->num_cvt; ret = hdac_hdmi_init_dai_map(hdev); if (ret < 0) goto free_widgets; return ret; free_widgets: list_for_each_entry_safe(temp_cvt, cvt_next, &hdmi->cvt_list, head) { list_del(&temp_cvt->head); kfree(temp_cvt->name); kfree(temp_cvt); } list_for_each_entry_safe(temp_pin, pin_next, &hdmi->pin_list, head) { for (i = 0; i < temp_pin->num_ports; i++) temp_pin->ports[i].pin = NULL; kfree(temp_pin->ports); list_del(&temp_pin->head); kfree(temp_pin); } return ret; } static int hdac_hdmi_pin2port(void *aptr, int pin) { struct hdac_device *hdev = aptr; struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev); const int *map = hdmi->drv_data->port_map; int i; if (!hdmi->drv_data->port_num) return pin - 4; /* map NID 0x05 -> port #1 */ /* * looking for the pin number in the mapping table and return * the index which indicate the port number */ for (i = 0; i < hdmi->drv_data->port_num; i++) { if (pin == map[i]) return i + 1; } /* return -1 if pin number exceeds our expectation */ dev_err(&hdev->dev, "Can't find the port for pin %d\n", pin); return -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; hda_nid_t pin_nid; if (!hdmi->drv_data->port_num) { /* for legacy platforms */ pin_nid = port + 0x04; } else if (port < hdmi->drv_data->port_num) { /* get pin number from the pin2port mapping table */ pin_nid = hdmi->drv_data->port_map[port - 1]; } else { dev_err(&hdev->dev, "Can't find the pin for port %d\n", port); return; } 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 = kzalloc(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); kfree(pcm); 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; /* * 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; 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_icl_drv_data = { .vendor_nid = INTEL_VENDOR_NID_0x2, .port_map = icl_pin2port_map, .port_num = ARRAY_SIZE(icl_pin2port_map), }; static struct hdac_hdmi_drv_data intel_glk_drv_data = { .vendor_nid = INTEL_VENDOR_NID_0xb, }; static struct hdac_hdmi_drv_data intel_drv_data = { .vendor_nid = INTEL_VENDOR_NID_0x8, }; static int hdac_hdmi_dev_probe(struct hdac_device *hdev) { struct hdac_hdmi_priv *hdmi_priv = NULL; struct snd_soc_dai_driver *hdmi_dais = NULL; struct hdac_ext_link *hlink = NULL; int num_dais = 0; int ret = 0; 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, true); /* 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 int hdac_hdmi_dev_remove(struct hdac_device *hdev) { struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev); struct hdac_hdmi_pin *pin, *pin_next; struct hdac_hdmi_cvt *cvt, *cvt_next; struct hdac_hdmi_pcm *pcm, *pcm_next; struct hdac_hdmi_port *port, *port_next; int i; snd_hdac_display_power(hdev->bus, hdev->addr, false); list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { pcm->cvt = NULL; if (list_empty(&pcm->port_list)) continue; list_for_each_entry_safe(port, port_next, &pcm->port_list, head) list_del(&port->head); list_del(&pcm->head); kfree(pcm); } list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { list_del(&cvt->head); kfree(cvt->name); kfree(cvt); } list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { for (i = 0; i < pin->num_ports; i++) pin->ports[i].pin = NULL; kfree(pin->ports); list_del(&pin->head); kfree(pin); } 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; /* * 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_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_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), HDA_CODEC_EXT_ENTRY(0x8086280f, 0x100000, "Icelake HDMI", &intel_icl_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>");
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