diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_cs42l42.c')
-rw-r--r-- | sound/soc/intel/boards/sof_cs42l42.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_cs42l42.c b/sound/soc/intel/boards/sof_cs42l42.c new file mode 100644 index 000000000000..323b86c42ef9 --- /dev/null +++ b/sound/soc/intel/boards/sof_cs42l42.c @@ -0,0 +1,332 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright(c) 2021 Intel Corporation. + +/* + * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec + * and speaker codec MAX98357A + */ +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/regulator/consumer.h> +#include <linux/dmi.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/sof.h> +#include <sound/soc-acpi.h> +#include <dt-bindings/sound/cs42l42.h> +#include "../common/soc-intel-quirks.h" +#include "sof_board_helpers.h" +#include "sof_maxim_common.h" +#include "sof_ssp_common.h" + +#define SOF_CS42L42_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0)) +#define SOF_CS42L42_SSP_CODEC_MASK (GENMASK(2, 0)) +#define SOF_CS42L42_SSP_AMP_SHIFT 4 +#define SOF_CS42L42_SSP_AMP_MASK (GENMASK(6, 4)) +#define SOF_CS42L42_SSP_AMP(quirk) \ + (((quirk) << SOF_CS42L42_SSP_AMP_SHIFT) & SOF_CS42L42_SSP_AMP_MASK) +#define SOF_CS42L42_NUM_HDMIDEV_SHIFT 7 +#define SOF_CS42L42_NUM_HDMIDEV_MASK (GENMASK(9, 7)) +#define SOF_CS42L42_NUM_HDMIDEV(quirk) \ + (((quirk) << SOF_CS42L42_NUM_HDMIDEV_SHIFT) & SOF_CS42L42_NUM_HDMIDEV_MASK) +#define SOF_BT_OFFLOAD_PRESENT BIT(25) +#define SOF_CS42L42_SSP_BT_SHIFT 26 +#define SOF_CS42L42_SSP_BT_MASK (GENMASK(28, 26)) +#define SOF_CS42L42_SSP_BT(quirk) \ + (((quirk) << SOF_CS42L42_SSP_BT_SHIFT) & SOF_CS42L42_SSP_BT_MASK) + +static struct snd_soc_jack_pin jack_pins[] = { + { + .pin = "Headphone Jack", + .mask = SND_JACK_HEADPHONE, + }, + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, +}; + +/* Default: SSP2 */ +static unsigned long sof_cs42l42_quirk = SOF_CS42L42_SSP_CODEC(2); + +static int sof_cs42l42_init(struct snd_soc_pcm_runtime *rtd) +{ + struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; + struct snd_soc_jack *jack = &ctx->headset_jack; + int ret; + + /* + * Headset buttons map to the google Reference headset. + * These can be configured by userspace. + */ + ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", + SND_JACK_HEADSET | SND_JACK_BTN_0 | + SND_JACK_BTN_1 | SND_JACK_BTN_2 | + SND_JACK_BTN_3, + jack, + jack_pins, + ARRAY_SIZE(jack_pins)); + if (ret) { + dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); + return ret; + } + + snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); + snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); + snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); + + ret = snd_soc_component_set_jack(component, jack, NULL); + if (ret) { + dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); + return ret; + } + + return ret; +}; + +static void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; + + snd_soc_component_set_jack(component, NULL, NULL); +} + +static int sof_cs42l42_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + int clk_freq, ret; + + clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */ + + if (clk_freq <= 0) { + dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq); + return -EINVAL; + } + + /* Configure sysclk for codec */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, + clk_freq, SND_SOC_CLOCK_IN); + if (ret < 0) + dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); + + return ret; +} + +static const struct snd_soc_ops sof_cs42l42_ops = { + .hw_params = sof_cs42l42_hw_params, +}; + +static int sof_card_late_probe(struct snd_soc_card *card) +{ + return sof_intel_board_card_late_probe(card); +} + +static const struct snd_kcontrol_new sof_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone Jack"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), +}; + +static const struct snd_soc_dapm_widget sof_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), +}; + +static const struct snd_soc_dapm_route sof_map[] = { + /* HP jack connectors - unknown if we have jack detection */ + {"Headphone Jack", NULL, "HP"}, + + /* other jacks */ + {"HS", NULL, "Headset Mic"}, +}; + +/* sof audio machine driver for cs42l42 codec */ +static struct snd_soc_card sof_audio_card_cs42l42 = { + .name = "cs42l42", /* the sof- prefix is added by the core */ + .owner = THIS_MODULE, + .controls = sof_controls, + .num_controls = ARRAY_SIZE(sof_controls), + .dapm_widgets = sof_widgets, + .num_dapm_widgets = ARRAY_SIZE(sof_widgets), + .dapm_routes = sof_map, + .num_dapm_routes = ARRAY_SIZE(sof_map), + .fully_routed = true, + .late_probe = sof_card_late_probe, +}; + +static struct snd_soc_dai_link_component cs42l42_component[] = { + { + .name = "i2c-10134242:00", + .dai_name = "cs42l42", + } +}; + +static int +sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card, + struct sof_card_private *ctx) +{ + int ret; + + ret = sof_intel_board_set_dai_link(dev, card, ctx); + if (ret) + return ret; + + if (!ctx->codec_link) { + dev_err(dev, "codec link not available"); + return -EINVAL; + } + + /* codec-specific fields for headphone codec */ + ctx->codec_link->codecs = cs42l42_component; + ctx->codec_link->num_codecs = ARRAY_SIZE(cs42l42_component); + ctx->codec_link->init = sof_cs42l42_init; + ctx->codec_link->exit = sof_cs42l42_exit; + ctx->codec_link->ops = &sof_cs42l42_ops; + + if (ctx->amp_type == CODEC_NONE) + return 0; + + if (!ctx->amp_link) { + dev_err(dev, "amp link not available"); + return -EINVAL; + } + + /* codec-specific fields for speaker amplifier */ + switch (ctx->amp_type) { + case CODEC_MAX98357A: + max_98357a_dai_link(ctx->amp_link); + break; + case CODEC_MAX98360A: + max_98360a_dai_link(ctx->amp_link); + break; + default: + dev_err(dev, "invalid amp type %d\n", ctx->amp_type); + return -EINVAL; + } + + return 0; +} + +#define GLK_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_AMP, \ + SOF_LINK_CODEC, \ + SOF_LINK_DMIC01, \ + SOF_LINK_IDISP_HDMI, \ + SOF_LINK_NONE, \ + SOF_LINK_NONE, \ + SOF_LINK_NONE) + +static int sof_audio_probe(struct platform_device *pdev) +{ + struct snd_soc_acpi_mach *mach = pdev->dev.platform_data; + struct sof_card_private *ctx; + int ret; + + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + if (pdev->id_entry && pdev->id_entry->driver_data) + sof_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data; + + ctx->codec_type = sof_ssp_detect_codec_type(&pdev->dev); + ctx->amp_type = sof_ssp_detect_amp_type(&pdev->dev); + + if (soc_intel_is_glk()) { + ctx->dmic_be_num = 1; + ctx->hdmi_num = 3; + + /* overwrite the DAI link order for GLK boards */ + ctx->link_order_overwrite = GLK_LINK_ORDER; + } else { + ctx->dmic_be_num = 2; + ctx->hdmi_num = (sof_cs42l42_quirk & SOF_CS42L42_NUM_HDMIDEV_MASK) >> + SOF_CS42L42_NUM_HDMIDEV_SHIFT; + /* default number of HDMI DAI's */ + if (!ctx->hdmi_num) + ctx->hdmi_num = 3; + } + + if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) + ctx->hdmi.idisp_codec = true; + + dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk); + + /* port number of peripherals attached to ssp interface */ + ctx->ssp_bt = (sof_cs42l42_quirk & SOF_CS42L42_SSP_BT_MASK) >> + SOF_CS42L42_SSP_BT_SHIFT; + + ctx->ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >> + SOF_CS42L42_SSP_AMP_SHIFT; + + ctx->ssp_codec = sof_cs42l42_quirk & SOF_CS42L42_SSP_CODEC_MASK; + + if (sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT) + ctx->bt_offload_present = true; + + /* update dai_link */ + ret = sof_card_dai_links_create(&pdev->dev, &sof_audio_card_cs42l42, ctx); + if (ret) + return ret; + + sof_audio_card_cs42l42.dev = &pdev->dev; + + /* set platform name for each dailink */ + ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42, + mach->mach_params.platform); + if (ret) + return ret; + + snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx); + + return devm_snd_soc_register_card(&pdev->dev, + &sof_audio_card_cs42l42); +} + +static const struct platform_device_id board_ids[] = { + { + .name = "glk_cs4242_mx98357a", + .driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(2) | + SOF_CS42L42_SSP_AMP(1)), + }, + { + .name = "jsl_cs4242_mx98360a", + .driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) | + SOF_CS42L42_SSP_AMP(1)), + }, + { + .name = "adl_mx98360a_cs4242", + .driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) | + SOF_CS42L42_SSP_AMP(1) | + SOF_CS42L42_NUM_HDMIDEV(4) | + SOF_BT_OFFLOAD_PRESENT | + SOF_CS42L42_SSP_BT(2)), + }, + { } +}; +MODULE_DEVICE_TABLE(platform, board_ids); + +static struct platform_driver sof_audio = { + .probe = sof_audio_probe, + .driver = { + .name = "sof_cs42l42", + .pm = &snd_soc_pm_ops, + }, + .id_table = board_ids, +}; +module_platform_driver(sof_audio) + +/* Module information */ +MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42"); +MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS); +MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON); +MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON); |