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2343 lines
58 KiB
2343 lines
58 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms |
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* |
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* Copyright (C) 2014-2015 Intel Corp |
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* Author: Samreen Nilofer <[email protected]> |
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* Subhransu S. Prusty <[email protected]> |
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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* |
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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*/ |
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|
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#include <linux/init.h> |
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#include <linux/delay.h> |
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#include <linux/module.h> |
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#include <linux/pm_runtime.h> |
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#include <linux/hdmi.h> |
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#include <drm/drm_edid.h> |
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#include <sound/pcm_params.h> |
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#include <sound/jack.h> |
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#include <sound/soc.h> |
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#include <sound/hdaudio_ext.h> |
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#include <sound/hda_i915.h> |
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#include <sound/pcm_drm_eld.h> |
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#include <sound/hda_chmap.h> |
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#include "../../hda/local.h" |
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#include "hdac_hdmi.h" |
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|
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#define NAME_SIZE 32 |
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|
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#define AMP_OUT_MUTE 0xb080 |
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#define AMP_OUT_UNMUTE 0xb000 |
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#define PIN_OUT (AC_PINCTL_OUT_EN) |
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#define HDA_MAX_CONNECTIONS 32 |
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#define HDA_MAX_CVTS 3 |
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#define HDA_MAX_PORTS 3 |
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#define ELD_MAX_SIZE 256 |
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#define ELD_FIXED_BYTES 20 |
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#define ELD_VER_CEA_861D 2 |
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#define ELD_VER_PARTIAL 31 |
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#define ELD_MAX_MNL 16 |
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struct hdac_hdmi_cvt_params { |
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unsigned int channels_min; |
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unsigned int channels_max; |
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u32 rates; |
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u64 formats; |
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unsigned int maxbps; |
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}; |
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struct hdac_hdmi_cvt { |
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struct list_head head; |
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hda_nid_t nid; |
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const char *name; |
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struct hdac_hdmi_cvt_params params; |
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}; |
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|
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/* Currently only spk_alloc, more to be added */ |
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struct hdac_hdmi_parsed_eld { |
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u8 spk_alloc; |
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}; |
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struct hdac_hdmi_eld { |
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bool monitor_present; |
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bool eld_valid; |
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int eld_size; |
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char eld_buffer[ELD_MAX_SIZE]; |
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struct hdac_hdmi_parsed_eld info; |
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}; |
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struct hdac_hdmi_pin { |
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struct list_head head; |
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hda_nid_t nid; |
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bool mst_capable; |
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struct hdac_hdmi_port *ports; |
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int num_ports; |
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struct hdac_device *hdev; |
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}; |
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struct hdac_hdmi_port { |
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struct list_head head; |
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int id; |
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struct hdac_hdmi_pin *pin; |
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int num_mux_nids; |
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hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; |
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struct hdac_hdmi_eld eld; |
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const char *jack_pin; |
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bool is_connect; |
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struct snd_soc_dapm_context *dapm; |
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const char *output_pin; |
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struct work_struct dapm_work; |
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}; |
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struct hdac_hdmi_pcm { |
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struct list_head head; |
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int pcm_id; |
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struct list_head port_list; |
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struct hdac_hdmi_cvt *cvt; |
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struct snd_soc_jack *jack; |
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int stream_tag; |
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int channels; |
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int format; |
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bool chmap_set; |
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unsigned char chmap[8]; /* ALSA API channel-map */ |
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struct mutex lock; |
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int jack_event; |
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struct snd_kcontrol *eld_ctl; |
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}; |
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struct hdac_hdmi_dai_port_map { |
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int dai_id; |
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struct hdac_hdmi_port *port; |
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struct hdac_hdmi_cvt *cvt; |
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}; |
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struct hdac_hdmi_drv_data { |
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unsigned int vendor_nid; |
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}; |
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struct hdac_hdmi_priv { |
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struct hdac_device *hdev; |
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struct snd_soc_component *component; |
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struct snd_card *card; |
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struct hdac_hdmi_dai_port_map dai_map[HDA_MAX_CVTS]; |
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struct list_head pin_list; |
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struct list_head cvt_list; |
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struct list_head pcm_list; |
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int num_pin; |
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int num_cvt; |
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int num_ports; |
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struct mutex pin_mutex; |
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struct hdac_chmap chmap; |
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struct hdac_hdmi_drv_data *drv_data; |
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struct snd_soc_dai_driver *dai_drv; |
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}; |
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#define hdev_to_hdmi_priv(_hdev) dev_get_drvdata(&(_hdev)->dev) |
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static struct hdac_hdmi_pcm * |
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hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi, |
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struct hdac_hdmi_cvt *cvt) |
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{ |
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struct hdac_hdmi_pcm *pcm; |
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list_for_each_entry(pcm, &hdmi->pcm_list, head) { |
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if (pcm->cvt == cvt) |
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return pcm; |
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} |
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return NULL; |
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} |
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static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm, |
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struct hdac_hdmi_port *port, bool is_connect) |
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{ |
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struct hdac_device *hdev = port->pin->hdev; |
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|
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port->is_connect = is_connect; |
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if (is_connect) { |
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/* |
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* Report Jack connect event when a device is connected |
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* for the first time where same PCM is attached to multiple |
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* ports. |
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*/ |
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if (pcm->jack_event == 0) { |
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dev_dbg(&hdev->dev, |
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"jack report for pcm=%d\n", |
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pcm->pcm_id); |
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snd_soc_jack_report(pcm->jack, SND_JACK_AVOUT, |
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SND_JACK_AVOUT); |
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} |
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pcm->jack_event++; |
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} else { |
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/* |
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* Report Jack disconnect event when a device is disconnected |
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* is the only last connected device when same PCM is attached |
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* to multiple ports. |
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*/ |
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if (pcm->jack_event == 1) |
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snd_soc_jack_report(pcm->jack, 0, SND_JACK_AVOUT); |
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if (pcm->jack_event > 0) |
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pcm->jack_event--; |
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} |
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} |
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static void hdac_hdmi_port_dapm_update(struct hdac_hdmi_port *port) |
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{ |
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if (port->is_connect) |
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snd_soc_dapm_enable_pin(port->dapm, port->jack_pin); |
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else |
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snd_soc_dapm_disable_pin(port->dapm, port->jack_pin); |
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snd_soc_dapm_sync(port->dapm); |
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} |
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static void hdac_hdmi_jack_dapm_work(struct work_struct *work) |
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{ |
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struct hdac_hdmi_port *port; |
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port = container_of(work, struct hdac_hdmi_port, dapm_work); |
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hdac_hdmi_port_dapm_update(port); |
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} |
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static void hdac_hdmi_jack_report_sync(struct hdac_hdmi_pcm *pcm, |
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struct hdac_hdmi_port *port, bool is_connect) |
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{ |
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hdac_hdmi_jack_report(pcm, port, is_connect); |
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hdac_hdmi_port_dapm_update(port); |
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} |
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|
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/* MST supported verbs */ |
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/* |
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* Get the no devices that can be connected to a port on the Pin widget. |
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*/ |
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static int hdac_hdmi_get_port_len(struct hdac_device *hdev, hda_nid_t nid) |
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{ |
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unsigned int caps; |
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unsigned int type, param; |
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caps = get_wcaps(hdev, nid); |
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type = get_wcaps_type(caps); |
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if (!(caps & AC_WCAP_DIGITAL) || (type != AC_WID_PIN)) |
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return 0; |
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param = snd_hdac_read_parm_uncached(hdev, nid, AC_PAR_DEVLIST_LEN); |
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if (param == -1) |
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return param; |
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return param & AC_DEV_LIST_LEN_MASK; |
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} |
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/* |
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* Get the port entry select on the pin. Return the port entry |
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* id selected on the pin. Return 0 means the first port entry |
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* is selected or MST is not supported. |
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*/ |
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static int hdac_hdmi_port_select_get(struct hdac_device *hdev, |
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struct hdac_hdmi_port *port) |
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{ |
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return snd_hdac_codec_read(hdev, port->pin->nid, |
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0, AC_VERB_GET_DEVICE_SEL, 0); |
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} |
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|
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/* |
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* Sets the selected port entry for the configuring Pin widget verb. |
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* returns error if port set is not equal to port get otherwise success |
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*/ |
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static int hdac_hdmi_port_select_set(struct hdac_device *hdev, |
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struct hdac_hdmi_port *port) |
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{ |
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int num_ports; |
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if (!port->pin->mst_capable) |
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return 0; |
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/* AC_PAR_DEVLIST_LEN is 0 based. */ |
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num_ports = hdac_hdmi_get_port_len(hdev, port->pin->nid); |
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if (num_ports < 0) |
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return -EIO; |
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/* |
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* Device List Length is a 0 based integer value indicating the |
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* number of sink device that a MST Pin Widget can support. |
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*/ |
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if (num_ports + 1 < port->id) |
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return 0; |
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snd_hdac_codec_write(hdev, port->pin->nid, 0, |
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AC_VERB_SET_DEVICE_SEL, port->id); |
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if (port->id != hdac_hdmi_port_select_get(hdev, port)) |
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return -EIO; |
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dev_dbg(&hdev->dev, "Selected the port=%d\n", port->id); |
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return 0; |
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} |
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static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *hdmi, |
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int pcm_idx) |
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{ |
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struct hdac_hdmi_pcm *pcm; |
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list_for_each_entry(pcm, &hdmi->pcm_list, head) { |
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if (pcm->pcm_id == pcm_idx) |
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return pcm; |
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} |
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return NULL; |
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} |
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static unsigned int sad_format(const u8 *sad) |
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{ |
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return ((sad[0] >> 0x3) & 0x1f); |
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} |
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static unsigned int sad_sample_bits_lpcm(const u8 *sad) |
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{ |
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return (sad[2] & 7); |
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} |
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static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, |
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void *eld) |
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{ |
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u64 formats = SNDRV_PCM_FMTBIT_S16; |
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int i; |
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const u8 *sad, *eld_buf = eld; |
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sad = drm_eld_sad(eld_buf); |
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if (!sad) |
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goto format_constraint; |
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for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { |
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if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ |
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/* |
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* the controller support 20 and 24 bits in 32 bit |
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* container so we set S32 |
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*/ |
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if (sad_sample_bits_lpcm(sad) & 0x6) |
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formats |= SNDRV_PCM_FMTBIT_S32; |
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} |
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} |
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format_constraint: |
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return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, |
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formats); |
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} |
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static void |
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hdac_hdmi_set_dip_index(struct hdac_device *hdev, hda_nid_t pin_nid, |
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int packet_index, int byte_index) |
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{ |
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int val; |
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val = (packet_index << 5) | (byte_index & 0x1f); |
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snd_hdac_codec_write(hdev, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); |
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} |
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struct dp_audio_infoframe { |
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u8 type; /* 0x84 */ |
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u8 len; /* 0x1b */ |
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u8 ver; /* 0x11 << 2 */ |
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u8 CC02_CT47; /* match with HDMI infoframe from this on */ |
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u8 SS01_SF24; |
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u8 CXT04; |
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u8 CA; |
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u8 LFEPBL01_LSV36_DM_INH7; |
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}; |
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|
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static int hdac_hdmi_setup_audio_infoframe(struct hdac_device *hdev, |
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struct hdac_hdmi_pcm *pcm, struct hdac_hdmi_port *port) |
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{ |
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uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; |
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struct hdmi_audio_infoframe frame; |
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struct hdac_hdmi_pin *pin = port->pin; |
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struct dp_audio_infoframe dp_ai; |
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struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev); |
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struct hdac_hdmi_cvt *cvt = pcm->cvt; |
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u8 *dip; |
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int ret; |
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int i; |
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const u8 *eld_buf; |
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u8 conn_type; |
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int channels, ca; |
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ca = snd_hdac_channel_allocation(hdev, port->eld.info.spk_alloc, |
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pcm->channels, pcm->chmap_set, true, pcm->chmap); |
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channels = snd_hdac_get_active_channels(ca); |
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hdmi->chmap.ops.set_channel_count(hdev, cvt->nid, channels); |
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snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false, ca, |
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pcm->channels, pcm->chmap, pcm->chmap_set); |
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eld_buf = port->eld.eld_buffer; |
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conn_type = drm_eld_get_conn_type(eld_buf); |
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switch (conn_type) { |
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case DRM_ELD_CONN_TYPE_HDMI: |
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hdmi_audio_infoframe_init(&frame); |
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|
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frame.channels = channels; |
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frame.channel_allocation = ca; |
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ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); |
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if (ret < 0) |
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return ret; |
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break; |
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case DRM_ELD_CONN_TYPE_DP: |
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memset(&dp_ai, 0, sizeof(dp_ai)); |
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dp_ai.type = 0x84; |
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dp_ai.len = 0x1b; |
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dp_ai.ver = 0x11 << 2; |
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dp_ai.CC02_CT47 = channels - 1; |
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dp_ai.CA = ca; |
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|
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dip = (u8 *)&dp_ai; |
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break; |
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|
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default: |
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dev_err(&hdev->dev, "Invalid connection type: %d\n", conn_type); |
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return -EIO; |
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} |
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|
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/* stop infoframe transmission */ |
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hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0); |
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snd_hdac_codec_write(hdev, pin->nid, 0, |
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AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); |
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/* Fill infoframe. Index auto-incremented */ |
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hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0); |
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if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
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for (i = 0; i < sizeof(buffer); i++) |
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snd_hdac_codec_write(hdev, pin->nid, 0, |
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AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
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} else { |
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for (i = 0; i < sizeof(dp_ai); i++) |
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snd_hdac_codec_write(hdev, pin->nid, 0, |
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AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
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} |
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|
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/* Start infoframe */ |
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hdac_hdmi_set_dip_index(hdev, pin->nid, 0x0, 0x0); |
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snd_hdac_codec_write(hdev, pin->nid, 0, |
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AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); |
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|
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return 0; |
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} |
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|
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static int hdac_hdmi_set_tdm_slot(struct snd_soc_dai *dai, |
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unsigned int tx_mask, unsigned int rx_mask, |
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int slots, int slot_width) |
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{ |
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struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai); |
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struct hdac_device *hdev = hdmi->hdev; |
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struct hdac_hdmi_dai_port_map *dai_map; |
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struct hdac_hdmi_pcm *pcm; |
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|
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dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__, tx_mask); |
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|
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dai_map = &hdmi->dai_map[dai->id]; |
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|
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pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt); |
|
|
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if (pcm) |
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pcm->stream_tag = (tx_mask << 4); |
|
|
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return 0; |
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} |
|
|
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static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, |
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struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) |
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{ |
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struct hdac_hdmi_priv *hdmi = snd_soc_dai_get_drvdata(dai); |
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struct hdac_hdmi_dai_port_map *dai_map; |
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struct hdac_hdmi_pcm *pcm; |
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int format; |
|
|
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dai_map = &hdmi->dai_map[dai->id]; |
|
|
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format = snd_hdac_calc_stream_format(params_rate(hparams), |
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params_channels(hparams), params_format(hparams), |
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dai->driver->playback.sig_bits, 0); |
|
|
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pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt); |
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if (!pcm) |
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return -EIO; |
|
|
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pcm->format = format; |
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pcm->channels = params_channels(hparams); |
|
|
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return 0; |
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} |
|
|
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static int hdac_hdmi_query_port_connlist(struct hdac_device *hdev, |
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struct hdac_hdmi_pin *pin, |
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struct hdac_hdmi_port *port) |
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{ |
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if (!(get_wcaps(hdev, pin->nid) & AC_WCAP_CONN_LIST)) { |
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dev_warn(&hdev->dev, |
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"HDMI: pin %d wcaps %#x does not support connection list\n", |
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pin->nid, get_wcaps(hdev, pin->nid)); |
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return -EINVAL; |
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} |
|
|
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if (hdac_hdmi_port_select_set(hdev, port) < 0) |
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return -EIO; |
|
|
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port->num_mux_nids = snd_hdac_get_connections(hdev, pin->nid, |
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port->mux_nids, HDA_MAX_CONNECTIONS); |
|
if (port->num_mux_nids == 0) |
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dev_warn(&hdev->dev, |
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"No connections found for pin:port %d:%d\n", |
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pin->nid, port->id); |
|
|
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dev_dbg(&hdev->dev, "num_mux_nids %d for pin:port %d:%d\n", |
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port->num_mux_nids, pin->nid, port->id); |
|
|
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return port->num_mux_nids; |
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} |
|
|
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/* |
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* Query pcm list and return port to which stream is routed. |
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* |
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* Also query connection list of the pin, to validate the cvt to port map. |
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* |
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* Same stream rendering to multiple ports simultaneously can be done |
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* possibly, but not supported for now in driver. So return the first port |
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* connected. |
|
*/ |
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static struct hdac_hdmi_port *hdac_hdmi_get_port_from_cvt( |
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struct hdac_device *hdev, |
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struct hdac_hdmi_priv *hdmi, |
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struct hdac_hdmi_cvt *cvt) |
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{ |
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struct hdac_hdmi_pcm *pcm; |
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struct hdac_hdmi_port *port = NULL; |
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int ret, i; |
|
|
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list_for_each_entry(pcm, &hdmi->pcm_list, head) { |
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if (pcm->cvt == cvt) { |
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if (list_empty(&pcm->port_list)) |
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continue; |
|
|
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list_for_each_entry(port, &pcm->port_list, head) { |
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mutex_lock(&pcm->lock); |
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ret = hdac_hdmi_query_port_connlist(hdev, |
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port->pin, port); |
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mutex_unlock(&pcm->lock); |
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if (ret < 0) |
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continue; |
|
|
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for (i = 0; i < port->num_mux_nids; i++) { |
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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; |
|
bool eld_valid, eld_changed; |
|
|
|
if (!hdmi) |
|
return; |
|
|
|
/* |
|
* In case of non MST pin, get_eld info API expectes port |
|
* to be -1. |
|
*/ |
|
mutex_lock(&hdmi->pin_mutex); |
|
port->eld.monitor_present = false; |
|
|
|
if (pin->mst_capable) |
|
port_id = port->id; |
|
|
|
size = snd_hdac_acomp_get_eld(hdev, pin->nid, port_id, |
|
&port->eld.monitor_present, |
|
port->eld.eld_buffer, |
|
ELD_MAX_SIZE); |
|
|
|
if (size > 0) { |
|
size = min(size, ELD_MAX_SIZE); |
|
if (hdac_hdmi_parse_eld(hdev, port) < 0) |
|
size = -EINVAL; |
|
} |
|
|
|
eld_valid = port->eld.eld_valid; |
|
|
|
if (size > 0) { |
|
port->eld.eld_valid = true; |
|
port->eld.eld_size = size; |
|
} else { |
|
port->eld.eld_valid = false; |
|
port->eld.eld_size = 0; |
|
} |
|
|
|
eld_changed = (eld_valid != port->eld.eld_valid); |
|
|
|
pcm = hdac_hdmi_get_pcm(hdev, port); |
|
|
|
if (!port->eld.monitor_present || !port->eld.eld_valid) { |
|
|
|
dev_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); |
|
|
|
if (eld_changed && pcm) |
|
snd_ctl_notify(hdmi->card, |
|
SNDRV_CTL_EVENT_MASK_VALUE | |
|
SNDRV_CTL_EVENT_MASK_INFO, |
|
&pcm->eld_ctl->id); |
|
} |
|
|
|
static int hdac_hdmi_add_ports(struct hdac_device *hdev, |
|
struct hdac_hdmi_pin *pin) |
|
{ |
|
struct hdac_hdmi_port *ports; |
|
int max_ports = HDA_MAX_PORTS; |
|
int i; |
|
|
|
/* |
|
* FIXME: max_port may vary for each platform, so pass this as |
|
* as driver data or query from i915 interface when this API is |
|
* implemented. |
|
*/ |
|
|
|
ports = devm_kcalloc(&hdev->dev, max_ports, sizeof(*ports), GFP_KERNEL); |
|
if (!ports) |
|
return -ENOMEM; |
|
|
|
for (i = 0; i < max_ports; i++) { |
|
ports[i].id = i; |
|
ports[i].pin = pin; |
|
INIT_WORK(&ports[i].dapm_work, hdac_hdmi_jack_dapm_work); |
|
} |
|
pin->ports = ports; |
|
pin->num_ports = max_ports; |
|
return 0; |
|
} |
|
|
|
static int hdac_hdmi_add_pin(struct hdac_device *hdev, hda_nid_t nid) |
|
{ |
|
struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev); |
|
struct hdac_hdmi_pin *pin; |
|
int ret; |
|
|
|
pin = devm_kzalloc(&hdev->dev, sizeof(*pin), GFP_KERNEL); |
|
if (!pin) |
|
return -ENOMEM; |
|
|
|
pin->nid = nid; |
|
pin->mst_capable = false; |
|
pin->hdev = hdev; |
|
ret = hdac_hdmi_add_ports(hdev, pin); |
|
if (ret < 0) |
|
return ret; |
|
|
|
list_add_tail(&pin->head, &hdmi->pin_list); |
|
hdmi->num_pin++; |
|
hdmi->num_ports += pin->num_ports; |
|
|
|
return 0; |
|
} |
|
|
|
#define INTEL_VENDOR_NID 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 int hdac_hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_info *uinfo) |
|
{ |
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
|
struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component); |
|
struct hdac_hdmi_pcm *pcm; |
|
struct hdac_hdmi_port *port; |
|
struct hdac_hdmi_eld *eld; |
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; |
|
uinfo->count = 0; |
|
|
|
pcm = get_hdmi_pcm_from_id(hdmi, kcontrol->id.device); |
|
if (!pcm) { |
|
dev_dbg(component->dev, "%s: no pcm, device %d\n", __func__, |
|
kcontrol->id.device); |
|
return 0; |
|
} |
|
|
|
if (list_empty(&pcm->port_list)) { |
|
dev_dbg(component->dev, "%s: empty port list, device %d\n", |
|
__func__, kcontrol->id.device); |
|
return 0; |
|
} |
|
|
|
mutex_lock(&hdmi->pin_mutex); |
|
|
|
list_for_each_entry(port, &pcm->port_list, head) { |
|
eld = &port->eld; |
|
|
|
if (eld->eld_valid) { |
|
uinfo->count = eld->eld_size; |
|
break; |
|
} |
|
} |
|
|
|
mutex_unlock(&hdmi->pin_mutex); |
|
|
|
return 0; |
|
} |
|
|
|
static int hdac_hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
|
struct hdac_hdmi_priv *hdmi = snd_soc_component_get_drvdata(component); |
|
struct hdac_hdmi_pcm *pcm; |
|
struct hdac_hdmi_port *port; |
|
struct hdac_hdmi_eld *eld; |
|
|
|
memset(ucontrol->value.bytes.data, 0, sizeof(ucontrol->value.bytes.data)); |
|
|
|
pcm = get_hdmi_pcm_from_id(hdmi, kcontrol->id.device); |
|
if (!pcm) { |
|
dev_dbg(component->dev, "%s: no pcm, device %d\n", __func__, |
|
kcontrol->id.device); |
|
return 0; |
|
} |
|
|
|
if (list_empty(&pcm->port_list)) { |
|
dev_dbg(component->dev, "%s: empty port list, device %d\n", |
|
__func__, kcontrol->id.device); |
|
return 0; |
|
} |
|
|
|
mutex_lock(&hdmi->pin_mutex); |
|
|
|
list_for_each_entry(port, &pcm->port_list, head) { |
|
eld = &port->eld; |
|
|
|
if (!eld->eld_valid) |
|
continue; |
|
|
|
if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || |
|
eld->eld_size > ELD_MAX_SIZE) { |
|
mutex_unlock(&hdmi->pin_mutex); |
|
|
|
dev_err(component->dev, "%s: buffer too small, device %d eld_size %d\n", |
|
__func__, kcontrol->id.device, eld->eld_size); |
|
snd_BUG(); |
|
return -EINVAL; |
|
} |
|
|
|
memcpy(ucontrol->value.bytes.data, eld->eld_buffer, |
|
eld->eld_size); |
|
break; |
|
} |
|
|
|
mutex_unlock(&hdmi->pin_mutex); |
|
|
|
return 0; |
|
} |
|
|
|
static int hdac_hdmi_create_eld_ctl(struct snd_soc_component *component, struct hdac_hdmi_pcm *pcm) |
|
{ |
|
struct snd_kcontrol *kctl; |
|
struct snd_kcontrol_new hdmi_eld_ctl = { |
|
.access = SNDRV_CTL_ELEM_ACCESS_READ | |
|
SNDRV_CTL_ELEM_ACCESS_VOLATILE, |
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM, |
|
.name = "ELD", |
|
.info = hdac_hdmi_eld_ctl_info, |
|
.get = hdac_hdmi_eld_ctl_get, |
|
.device = pcm->pcm_id, |
|
}; |
|
|
|
/* add ELD ctl with the device number corresponding to the PCM stream */ |
|
kctl = snd_ctl_new1(&hdmi_eld_ctl, component); |
|
if (!kctl) |
|
return -ENOMEM; |
|
|
|
pcm->eld_ctl = kctl; |
|
|
|
return snd_ctl_add(component->card->snd_card, kctl); |
|
} |
|
|
|
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; |
|
} |
|
} |
|
|
|
/* add control for ELD Bytes */ |
|
err = hdac_hdmi_create_eld_ctl(component, pcm); |
|
if (err < 0) { |
|
dev_err(&hdev->dev, |
|
"eld 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, |
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}; |
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|
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static int hdac_hdmi_dev_probe(struct hdac_device *hdev) |
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{ |
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struct hdac_hdmi_priv *hdmi_priv; |
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struct snd_soc_dai_driver *hdmi_dais = NULL; |
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struct hdac_ext_link *hlink; |
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int num_dais = 0; |
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int ret; |
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struct hdac_driver *hdrv = drv_to_hdac_driver(hdev->dev.driver); |
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const struct hda_device_id *hdac_id = hdac_get_device_id(hdev, hdrv); |
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|
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/* hold the ref while we probe */ |
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hlink = snd_hdac_ext_bus_get_link(hdev->bus, dev_name(&hdev->dev)); |
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if (!hlink) { |
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dev_err(&hdev->dev, "hdac link not found\n"); |
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return -EIO; |
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} |
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|
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snd_hdac_ext_bus_link_get(hdev->bus, hlink); |
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|
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hdmi_priv = devm_kzalloc(&hdev->dev, sizeof(*hdmi_priv), GFP_KERNEL); |
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if (hdmi_priv == NULL) |
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return -ENOMEM; |
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|
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snd_hdac_register_chmap_ops(hdev, &hdmi_priv->chmap); |
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hdmi_priv->chmap.ops.get_chmap = hdac_hdmi_get_chmap; |
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hdmi_priv->chmap.ops.set_chmap = hdac_hdmi_set_chmap; |
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hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached; |
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hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc; |
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hdmi_priv->hdev = hdev; |
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|
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if (!hdac_id) |
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return -ENODEV; |
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|
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if (hdac_id->driver_data) |
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hdmi_priv->drv_data = |
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(struct hdac_hdmi_drv_data *)hdac_id->driver_data; |
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else |
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hdmi_priv->drv_data = &intel_drv_data; |
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|
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dev_set_drvdata(&hdev->dev, hdmi_priv); |
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|
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INIT_LIST_HEAD(&hdmi_priv->pin_list); |
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INIT_LIST_HEAD(&hdmi_priv->cvt_list); |
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INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
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mutex_init(&hdmi_priv->pin_mutex); |
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|
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/* |
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* Turned off in the runtime_suspend during the first explicit |
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* pm_runtime_suspend call. |
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*/ |
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snd_hdac_display_power(hdev->bus, hdev->addr, true); |
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|
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ret = hdac_hdmi_parse_and_map_nid(hdev, &hdmi_dais, &num_dais); |
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if (ret < 0) { |
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dev_err(&hdev->dev, |
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"Failed in parse and map nid with err: %d\n", ret); |
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return ret; |
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} |
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snd_hdac_refresh_widgets(hdev); |
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|
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/* ASoC specific initialization */ |
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ret = devm_snd_soc_register_component(&hdev->dev, &hdmi_hda_codec, |
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hdmi_dais, num_dais); |
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|
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snd_hdac_ext_bus_link_put(hdev->bus, hlink); |
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|
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return ret; |
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} |
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|
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static void clear_dapm_works(struct hdac_device *hdev) |
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{ |
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struct hdac_hdmi_priv *hdmi = hdev_to_hdmi_priv(hdev); |
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struct hdac_hdmi_pin *pin; |
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int i; |
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|
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list_for_each_entry(pin, &hdmi->pin_list, head) |
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for (i = 0; i < pin->num_ports; i++) |
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cancel_work_sync(&pin->ports[i].dapm_work); |
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} |
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|
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static int hdac_hdmi_dev_remove(struct hdac_device *hdev) |
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{ |
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clear_dapm_works(hdev); |
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snd_hdac_display_power(hdev->bus, hdev->addr, false); |
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|
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return 0; |
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} |
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|
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#ifdef CONFIG_PM |
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static int hdac_hdmi_runtime_suspend(struct device *dev) |
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{ |
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struct hdac_device *hdev = dev_to_hdac_dev(dev); |
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struct hdac_bus *bus = hdev->bus; |
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struct hdac_ext_link *hlink = NULL; |
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|
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dev_dbg(dev, "Enter: %s\n", __func__); |
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|
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/* controller may not have been initialized for the first time */ |
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if (!bus) |
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return 0; |
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|
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/* |
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* Power down afg. |
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* codec_read is preferred over codec_write to set the power state. |
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* This way verb is send to set the power state and response |
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* is received. So setting power state is ensured without using loop |
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* to read the state. |
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*/ |
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snd_hdac_codec_read(hdev, hdev->afg, 0, AC_VERB_SET_POWER_STATE, |
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AC_PWRST_D3); |
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|
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hlink = snd_hdac_ext_bus_get_link(bus, dev_name(dev)); |
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if (!hlink) { |
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dev_err(dev, "hdac link not found\n"); |
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return -EIO; |
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} |
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|
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snd_hdac_codec_link_down(hdev); |
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snd_hdac_ext_bus_link_put(bus, hlink); |
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|
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snd_hdac_display_power(bus, hdev->addr, false); |
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|
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return 0; |
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} |
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|
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static int hdac_hdmi_runtime_resume(struct device *dev) |
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{ |
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struct hdac_device *hdev = dev_to_hdac_dev(dev); |
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struct hdac_bus *bus = hdev->bus; |
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struct hdac_ext_link *hlink = NULL; |
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|
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dev_dbg(dev, "Enter: %s\n", __func__); |
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|
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/* controller may not have been initialized for the first time */ |
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if (!bus) |
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return 0; |
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|
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hlink = snd_hdac_ext_bus_get_link(bus, dev_name(dev)); |
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if (!hlink) { |
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dev_err(dev, "hdac link not found\n"); |
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return -EIO; |
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} |
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|
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snd_hdac_ext_bus_link_get(bus, hlink); |
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snd_hdac_codec_link_up(hdev); |
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|
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snd_hdac_display_power(bus, hdev->addr, true); |
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|
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hdac_hdmi_skl_enable_all_pins(hdev); |
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hdac_hdmi_skl_enable_dp12(hdev); |
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|
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/* Power up afg */ |
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snd_hdac_codec_read(hdev, hdev->afg, 0, AC_VERB_SET_POWER_STATE, |
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AC_PWRST_D0); |
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|
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return 0; |
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} |
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#else |
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#define hdac_hdmi_runtime_suspend NULL |
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#define hdac_hdmi_runtime_resume NULL |
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#endif |
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|
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static const struct dev_pm_ops hdac_hdmi_pm = { |
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SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) |
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SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, hdmi_codec_resume) |
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}; |
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|
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static const struct hda_device_id hdmi_list[] = { |
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HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), |
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HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
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HDA_CODEC_EXT_ENTRY(0x8086280b, 0x100000, "Kabylake HDMI", 0), |
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HDA_CODEC_EXT_ENTRY(0x8086280c, 0x100000, "Cannonlake HDMI", |
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&intel_glk_drv_data), |
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HDA_CODEC_EXT_ENTRY(0x8086280d, 0x100000, "Geminilake HDMI", |
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&intel_glk_drv_data), |
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{} |
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}; |
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|
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MODULE_DEVICE_TABLE(hdaudio, hdmi_list); |
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|
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static struct hdac_driver hdmi_driver = { |
|
.driver = { |
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.name = "HDMI HDA Codec", |
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.pm = &hdac_hdmi_pm, |
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}, |
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.id_table = hdmi_list, |
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.probe = hdac_hdmi_dev_probe, |
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.remove = hdac_hdmi_dev_remove, |
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}; |
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|
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static int __init hdmi_init(void) |
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{ |
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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<[email protected]>"); |
|
MODULE_AUTHOR("Subhransu S. Prusty<[email protected]>");
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|
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