449 lines
12 KiB
C
449 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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// Copyright(c) 2018-2020 Intel Corporation.
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/*
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* Intel SOF Machine Driver for Intel platforms with TI PCM512x codec,
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* e.g. Up or Up2 with Hifiberry DAC+ HAT
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*/
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#include <linux/clk.h>
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#include <linux/dmi.h>
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include "../../codecs/pcm512x.h"
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#include "../common/soc-intel-quirks.h"
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#include "hda_dsp_common.h"
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#define NAME_SIZE 32
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#define SOF_PCM512X_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0))
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#define SOF_PCM512X_SSP_CODEC_MASK (GENMASK(3, 0))
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#define SOF_PCM512X_ENABLE_SSP_CAPTURE BIT(4)
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#define SOF_PCM512X_ENABLE_DMIC BIT(5)
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#define IDISP_CODEC_MASK 0x4
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/* Default: SSP5 */
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static unsigned long sof_pcm512x_quirk =
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SOF_PCM512X_SSP_CODEC(5) |
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SOF_PCM512X_ENABLE_SSP_CAPTURE |
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SOF_PCM512X_ENABLE_DMIC;
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static bool is_legacy_cpu;
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struct sof_hdmi_pcm {
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struct list_head head;
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struct snd_soc_dai *codec_dai;
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int device;
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};
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struct sof_card_private {
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struct list_head hdmi_pcm_list;
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bool idisp_codec;
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};
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static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)
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{
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sof_pcm512x_quirk = (unsigned long)id->driver_data;
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return 1;
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}
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static const struct dmi_system_id sof_pcm512x_quirk_table[] = {
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{
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.callback = sof_pcm512x_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
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DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
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},
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.driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)),
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},
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{}
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};
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static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
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struct sof_hdmi_pcm *pcm;
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pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
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if (!pcm)
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return -ENOMEM;
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/* dai_link id is 1:1 mapped to the PCM device */
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pcm->device = rtd->dai_link->id;
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pcm->codec_dai = dai;
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list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
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return 0;
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}
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static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
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snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
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snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);
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snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
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0x08, 0x08);
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return 0;
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}
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static int aif1_startup(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
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snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
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0x08, 0x08);
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return 0;
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}
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static void aif1_shutdown(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
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snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
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0x08, 0x00);
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}
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static const struct snd_soc_ops sof_pcm512x_ops = {
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.startup = aif1_startup,
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.shutdown = aif1_shutdown,
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};
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static struct snd_soc_dai_link_component platform_component[] = {
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{
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/* name might be overridden during probe */
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.name = "0000:00:1f.3"
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}
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};
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static int sof_card_late_probe(struct snd_soc_card *card)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
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struct sof_hdmi_pcm *pcm;
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/* HDMI is not supported by SOF on Baytrail/CherryTrail */
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if (is_legacy_cpu)
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return 0;
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if (list_empty(&ctx->hdmi_pcm_list))
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return -EINVAL;
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if (!ctx->idisp_codec)
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return 0;
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pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
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return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
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}
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static const struct snd_kcontrol_new sof_controls[] = {
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SOC_DAPM_PIN_SWITCH("Ext Spk"),
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};
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static const struct snd_soc_dapm_widget sof_widgets[] = {
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SND_SOC_DAPM_SPK("Ext Spk", NULL),
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};
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static const struct snd_soc_dapm_widget dmic_widgets[] = {
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SND_SOC_DAPM_MIC("SoC DMIC", NULL),
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};
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static const struct snd_soc_dapm_route sof_map[] = {
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/* Speaker */
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{"Ext Spk", NULL, "OUTR"},
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{"Ext Spk", NULL, "OUTL"},
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};
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static const struct snd_soc_dapm_route dmic_map[] = {
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/* digital mics */
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{"DMic", NULL, "SoC DMIC"},
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};
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static int dmic_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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int ret;
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ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
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ARRAY_SIZE(dmic_widgets));
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if (ret) {
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dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
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/* Don't need to add routes if widget addition failed */
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return ret;
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}
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ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
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ARRAY_SIZE(dmic_map));
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if (ret)
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dev_err(card->dev, "DMic map addition failed: %d\n", ret);
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return ret;
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}
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/* sof audio machine driver for pcm512x codec */
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static struct snd_soc_card sof_audio_card_pcm512x = {
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.name = "pcm512x",
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.owner = THIS_MODULE,
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.controls = sof_controls,
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.num_controls = ARRAY_SIZE(sof_controls),
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.dapm_widgets = sof_widgets,
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.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
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.dapm_routes = sof_map,
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.num_dapm_routes = ARRAY_SIZE(sof_map),
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.fully_routed = true,
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.late_probe = sof_card_late_probe,
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};
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SND_SOC_DAILINK_DEF(pcm512x_component,
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DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi")));
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SND_SOC_DAILINK_DEF(dmic_component,
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DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
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static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
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int ssp_codec,
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int dmic_be_num,
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int hdmi_num,
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bool idisp_codec)
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{
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struct snd_soc_dai_link_component *idisp_components;
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struct snd_soc_dai_link_component *cpus;
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struct snd_soc_dai_link *links;
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int i, id = 0;
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links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
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sizeof(struct snd_soc_dai_link), GFP_KERNEL);
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cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
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sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
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if (!links || !cpus)
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goto devm_err;
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/* codec SSP */
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links[id].name = devm_kasprintf(dev, GFP_KERNEL,
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"SSP%d-Codec", ssp_codec);
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if (!links[id].name)
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goto devm_err;
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links[id].id = id;
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links[id].codecs = pcm512x_component;
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links[id].num_codecs = ARRAY_SIZE(pcm512x_component);
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links[id].platforms = platform_component;
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links[id].num_platforms = ARRAY_SIZE(platform_component);
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links[id].init = sof_pcm512x_codec_init;
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links[id].ops = &sof_pcm512x_ops;
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links[id].dpcm_playback = 1;
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/*
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* capture only supported with specific versions of the Hifiberry DAC+
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*/
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if (sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)
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links[id].dpcm_capture = 1;
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links[id].no_pcm = 1;
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links[id].cpus = &cpus[id];
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links[id].num_cpus = 1;
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if (is_legacy_cpu) {
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links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"ssp%d-port",
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ssp_codec);
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if (!links[id].cpus->dai_name)
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goto devm_err;
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} else {
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links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"SSP%d Pin",
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ssp_codec);
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if (!links[id].cpus->dai_name)
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goto devm_err;
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}
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id++;
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/* dmic */
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if (dmic_be_num > 0) {
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/* at least we have dmic01 */
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links[id].name = "dmic01";
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links[id].cpus = &cpus[id];
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links[id].cpus->dai_name = "DMIC01 Pin";
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links[id].init = dmic_init;
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if (dmic_be_num > 1) {
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/* set up 2 BE links at most */
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links[id + 1].name = "dmic16k";
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links[id + 1].cpus = &cpus[id + 1];
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links[id + 1].cpus->dai_name = "DMIC16k Pin";
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dmic_be_num = 2;
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}
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}
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for (i = 0; i < dmic_be_num; i++) {
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links[id].id = id;
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links[id].num_cpus = 1;
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links[id].codecs = dmic_component;
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links[id].num_codecs = ARRAY_SIZE(dmic_component);
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links[id].platforms = platform_component;
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links[id].num_platforms = ARRAY_SIZE(platform_component);
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links[id].ignore_suspend = 1;
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links[id].dpcm_capture = 1;
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links[id].no_pcm = 1;
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id++;
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}
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/* HDMI */
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if (hdmi_num > 0) {
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idisp_components = devm_kcalloc(dev, hdmi_num,
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sizeof(struct snd_soc_dai_link_component),
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GFP_KERNEL);
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if (!idisp_components)
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goto devm_err;
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}
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for (i = 1; i <= hdmi_num; i++) {
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links[id].name = devm_kasprintf(dev, GFP_KERNEL,
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"iDisp%d", i);
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if (!links[id].name)
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goto devm_err;
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links[id].id = id;
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links[id].cpus = &cpus[id];
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links[id].num_cpus = 1;
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links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"iDisp%d Pin", i);
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if (!links[id].cpus->dai_name)
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goto devm_err;
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/*
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* topology cannot be loaded if codec is missing, so
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* use the dummy codec if needed
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*/
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if (idisp_codec) {
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idisp_components[i - 1].name = "ehdaudio0D2";
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idisp_components[i - 1].dai_name =
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devm_kasprintf(dev, GFP_KERNEL,
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"intel-hdmi-hifi%d", i);
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} else {
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idisp_components[i - 1].name = "snd-soc-dummy";
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idisp_components[i - 1].dai_name = "snd-soc-dummy-dai";
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}
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if (!idisp_components[i - 1].dai_name)
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goto devm_err;
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links[id].codecs = &idisp_components[i - 1];
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links[id].num_codecs = 1;
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links[id].platforms = platform_component;
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links[id].num_platforms = ARRAY_SIZE(platform_component);
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links[id].init = sof_hdmi_init;
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links[id].dpcm_playback = 1;
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links[id].no_pcm = 1;
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id++;
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}
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|
|
||
|
|
return links;
|
||
|
|
devm_err:
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sof_audio_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
|
||
|
|
struct snd_soc_dai_link *dai_links;
|
||
|
|
struct sof_card_private *ctx;
|
||
|
|
int dmic_be_num, hdmi_num;
|
||
|
|
int ret, ssp_codec;
|
||
|
|
|
||
|
|
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
|
||
|
|
if (!ctx)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
hdmi_num = 0;
|
||
|
|
if (soc_intel_is_byt() || soc_intel_is_cht()) {
|
||
|
|
is_legacy_cpu = true;
|
||
|
|
dmic_be_num = 0;
|
||
|
|
/* default quirk for legacy cpu */
|
||
|
|
sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2);
|
||
|
|
} else {
|
||
|
|
dmic_be_num = 2;
|
||
|
|
if (mach->mach_params.common_hdmi_codec_drv &&
|
||
|
|
(mach->mach_params.codec_mask & IDISP_CODEC_MASK))
|
||
|
|
ctx->idisp_codec = true;
|
||
|
|
|
||
|
|
/* links are always present in topology */
|
||
|
|
hdmi_num = 3;
|
||
|
|
}
|
||
|
|
|
||
|
|
dmi_check_system(sof_pcm512x_quirk_table);
|
||
|
|
|
||
|
|
dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk);
|
||
|
|
|
||
|
|
ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK;
|
||
|
|
|
||
|
|
if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC))
|
||
|
|
dmic_be_num = 0;
|
||
|
|
|
||
|
|
/* compute number of dai links */
|
||
|
|
sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num;
|
||
|
|
|
||
|
|
dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec,
|
||
|
|
dmic_be_num, hdmi_num,
|
||
|
|
ctx->idisp_codec);
|
||
|
|
if (!dai_links)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
sof_audio_card_pcm512x.dai_link = dai_links;
|
||
|
|
|
||
|
|
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
|
||
|
|
|
||
|
|
sof_audio_card_pcm512x.dev = &pdev->dev;
|
||
|
|
|
||
|
|
/* set platform name for each dailink */
|
||
|
|
ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x,
|
||
|
|
mach->mach_params.platform);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx);
|
||
|
|
|
||
|
|
return devm_snd_soc_register_card(&pdev->dev,
|
||
|
|
&sof_audio_card_pcm512x);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sof_pcm512x_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
||
|
|
struct snd_soc_component *component;
|
||
|
|
|
||
|
|
for_each_card_components(card, component) {
|
||
|
|
if (!strcmp(component->name, pcm512x_component[0].name)) {
|
||
|
|
snd_soc_component_set_jack(component, NULL, NULL);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver sof_audio = {
|
||
|
|
.probe = sof_audio_probe,
|
||
|
|
.remove = sof_pcm512x_remove,
|
||
|
|
.driver = {
|
||
|
|
.name = "sof_pcm512x",
|
||
|
|
.pm = &snd_soc_pm_ops,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
module_platform_driver(sof_audio)
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver");
|
||
|
|
MODULE_AUTHOR("Pierre-Louis Bossart");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS("platform:sof_pcm512x");
|
||
|
|
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
|