diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_maxim_common.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_maxim_common.c | 612 |
1 files changed, 612 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_maxim_common.c b/sound/soc/intel/boards/sof_maxim_common.c new file mode 100644 index 000000000000..c3d0f697ff8d --- /dev/null +++ b/sound/soc/intel/boards/sof_maxim_common.c @@ -0,0 +1,612 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2020 Intel Corporation +#include <linux/module.h> +#include <linux/string.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include <sound/soc-dai.h> +#include <sound/soc-dapm.h> +#include <sound/sof.h> +#include <uapi/sound/asound.h> +#include "../common/soc-intel-quirks.h" +#include "sof_maxim_common.h" + +/* + * Common structures and functions + */ +static const struct snd_kcontrol_new maxim_2spk_kcontrols[] = { + SOC_DAPM_PIN_SWITCH("Left Spk"), + SOC_DAPM_PIN_SWITCH("Right Spk"), + +}; + +static const struct snd_soc_dapm_widget maxim_2spk_widgets[] = { + SND_SOC_DAPM_SPK("Left Spk", NULL), + SND_SOC_DAPM_SPK("Right Spk", NULL), +}; + +/* helper function to get the number of specific codec */ +static unsigned int get_num_codecs(const char *hid) +{ + struct acpi_device *adev; + unsigned int dev_num = 0; + + for_each_acpi_dev_match(adev, hid, NULL, -1) + dev_num++; + + return dev_num; +} + +/* + * Maxim MAX98373 + */ +#define MAX_98373_PIN_NAME 16 + +static const struct snd_soc_dapm_route max_98373_dapm_routes[] = { + /* speaker */ + { "Left Spk", NULL, "Left BE_OUT" }, + { "Right Spk", NULL, "Right BE_OUT" }, +}; + +static struct snd_soc_codec_conf max_98373_codec_conf[] = { + { + .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME), + .name_prefix = "Right", + }, + { + .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME), + .name_prefix = "Left", + }, +}; + +static struct snd_soc_dai_link_component max_98373_components[] = { + { /* For Right */ + .name = MAX_98373_DEV0_NAME, + .dai_name = MAX_98373_CODEC_DAI, + }, + { /* For Left */ + .name = MAX_98373_DEV1_NAME, + .dai_name = MAX_98373_CODEC_DAI, + }, +}; + +/* + * According to the definition of 'DAI Sel Mux' mixer in max98373.c, rx mask + * should choose two channels from TDM slots, the LSB of rx mask is left channel + * and the other one is right channel. + */ +static const struct { + unsigned int rx; +} max_98373_tdm_mask[] = { + {.rx = 0x3}, + {.rx = 0x3}, +}; + +/* + * The tx mask indicates which channel(s) contains output IV-sense data and + * others should set to Hi-Z. Here we get the channel number from codec's ACPI + * device property "maxim,vmon-slot-no" and "maxim,imon-slot-no" to generate the + * mask. Refer to the max98373_slot_config() function in max98373.c codec driver. + */ +static unsigned int max_98373_get_tx_mask(struct device *dev) +{ + int vmon_slot; + int imon_slot; + + if (device_property_read_u32(dev, "maxim,vmon-slot-no", &vmon_slot)) + vmon_slot = 0; + + if (device_property_read_u32(dev, "maxim,imon-slot-no", &imon_slot)) + imon_slot = 1; + + dev_dbg(dev, "vmon_slot %d imon_slot %d\n", vmon_slot, imon_slot); + + return (0x1 << vmon_slot) | (0x1 << imon_slot); +} + +static int max_98373_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_link *dai_link = rtd->dai_link; + struct snd_soc_dai *codec_dai; + int i; + int tdm_slots; + unsigned int tx_mask; + unsigned int tx_mask_used = 0x0; + int ret = 0; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + if (i >= ARRAY_SIZE(max_98373_tdm_mask)) { + dev_err(codec_dai->dev, "only 2 amps are supported\n"); + return -EINVAL; + } + + switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* get the tplg configured tdm slot number */ + tdm_slots = sof_dai_get_tdm_slots(rtd); + if (tdm_slots <= 0) { + dev_err(rtd->dev, "invalid tdm slots %d\n", + tdm_slots); + return -EINVAL; + } + + /* get the tx mask from ACPI device properties */ + tx_mask = max_98373_get_tx_mask(codec_dai->dev); + if (!tx_mask) + return -EINVAL; + + if (tx_mask & tx_mask_used) { + dev_err(codec_dai->dev, "invalid tx mask 0x%x, used 0x%x\n", + tx_mask, tx_mask_used); + return -EINVAL; + } + + tx_mask_used |= tx_mask; + + /* + * check if tdm slot number is too small for channel + * allocation + */ + if (fls(tx_mask) > tdm_slots) { + dev_err(codec_dai->dev, "slot mismatch, tx %d slots %d\n", + fls(tx_mask), tdm_slots); + return -EINVAL; + } + + if (fls(max_98373_tdm_mask[i].rx) > tdm_slots) { + dev_err(codec_dai->dev, "slot mismatch, rx %d slots %d\n", + fls(max_98373_tdm_mask[i].rx), tdm_slots); + return -EINVAL; + } + + dev_dbg(codec_dai->dev, "set tdm slot: tx 0x%x rx 0x%x slots %d width %d\n", + tx_mask, max_98373_tdm_mask[i].rx, + tdm_slots, params_width(params)); + + ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_mask, + max_98373_tdm_mask[i].rx, + tdm_slots, + params_width(params)); + if (ret < 0) { + dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n", + ret); + return ret; + } + break; + default: + dev_dbg(codec_dai->dev, "codec is in I2S mode\n"); + break; + } + } + return 0; +} + +static int max_98373_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai; + struct snd_soc_dai *cpu_dai; + int j; + int ret = 0; + + /* set spk pin by playback only */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + return 0; + + cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + for_each_rtd_codec_dais(rtd, j, codec_dai) { + struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(cpu_dai->component); + char pin_name[MAX_98373_PIN_NAME]; + + snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk", + codec_dai->component->name_prefix); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + ret = snd_soc_dapm_enable_pin(dapm, pin_name); + if (!ret) + snd_soc_dapm_sync(dapm); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ret = snd_soc_dapm_disable_pin(dapm, pin_name); + if (!ret) + snd_soc_dapm_sync(dapm); + break; + default: + break; + } + } + + return ret; +} + +static const struct snd_soc_ops max_98373_ops = { + .hw_params = max_98373_hw_params, + .trigger = max_98373_trigger, +}; + +static int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card); + unsigned int num_codecs = get_num_codecs(MAX_98373_ACPI_HID); + int ret; + + switch (num_codecs) { + case 2: + ret = snd_soc_dapm_new_controls(dapm, maxim_2spk_widgets, + ARRAY_SIZE(maxim_2spk_widgets)); + if (ret) { + dev_err(rtd->dev, "fail to add max98373 widgets, ret %d\n", + ret); + return ret; + } + + ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols, + ARRAY_SIZE(maxim_2spk_kcontrols)); + if (ret) { + dev_err(rtd->dev, "fail to add max98373 kcontrols, ret %d\n", + ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(dapm, max_98373_dapm_routes, + ARRAY_SIZE(max_98373_dapm_routes)); + if (ret) { + dev_err(rtd->dev, "fail to add max98373 routes, ret %d\n", + ret); + return ret; + } + break; + default: + dev_err(rtd->dev, "max98373: invalid num_codecs %d\n", num_codecs); + return -EINVAL; + } + + return ret; +} + +void max_98373_dai_link(struct device *dev, struct snd_soc_dai_link *link) +{ + link->codecs = max_98373_components; + link->num_codecs = ARRAY_SIZE(max_98373_components); + link->init = max_98373_spk_codec_init; + link->ops = &max_98373_ops; +} +EXPORT_SYMBOL_NS(max_98373_dai_link, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +void max_98373_set_codec_conf(struct snd_soc_card *card) +{ + card->codec_conf = max_98373_codec_conf; + card->num_configs = ARRAY_SIZE(max_98373_codec_conf); +} +EXPORT_SYMBOL_NS(max_98373_set_codec_conf, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +/* + * Maxim MAX98390 + */ +static const struct snd_soc_dapm_route max_98390_dapm_routes[] = { + /* speaker */ + { "Left Spk", NULL, "Left BE_OUT" }, + { "Right Spk", NULL, "Right BE_OUT" }, +}; + +static const struct snd_kcontrol_new max_98390_tt_kcontrols[] = { + SOC_DAPM_PIN_SWITCH("TL Spk"), + SOC_DAPM_PIN_SWITCH("TR Spk"), +}; + +static const struct snd_soc_dapm_widget max_98390_tt_dapm_widgets[] = { + SND_SOC_DAPM_SPK("TL Spk", NULL), + SND_SOC_DAPM_SPK("TR Spk", NULL), +}; + +static const struct snd_soc_dapm_route max_98390_tt_dapm_routes[] = { + /* Tweeter speaker */ + { "TL Spk", NULL, "Tweeter Left BE_OUT" }, + { "TR Spk", NULL, "Tweeter Right BE_OUT" }, +}; + +static struct snd_soc_codec_conf max_98390_cml_codec_conf[] = { + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME), + .name_prefix = "Left", + }, + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME), + .name_prefix = "Right", + }, +}; + +static struct snd_soc_codec_conf max_98390_codec_conf[] = { + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME), + .name_prefix = "Right", + }, + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME), + .name_prefix = "Left", + }, + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV2_NAME), + .name_prefix = "Tweeter Right", + }, + { + .dlc = COMP_CODEC_CONF(MAX_98390_DEV3_NAME), + .name_prefix = "Tweeter Left", + }, +}; + +static struct snd_soc_dai_link_component max_98390_components[] = { + { + .name = MAX_98390_DEV0_NAME, + .dai_name = MAX_98390_CODEC_DAI, + }, + { + .name = MAX_98390_DEV1_NAME, + .dai_name = MAX_98390_CODEC_DAI, + }, + { + .name = MAX_98390_DEV2_NAME, + .dai_name = MAX_98390_CODEC_DAI, + }, + { + .name = MAX_98390_DEV3_NAME, + .dai_name = MAX_98390_CODEC_DAI, + }, +}; + +static const struct { + unsigned int tx; + unsigned int rx; +} max_98390_tdm_mask[] = { + {.tx = 0x01, .rx = 0x3}, + {.tx = 0x02, .rx = 0x3}, + {.tx = 0x04, .rx = 0x3}, + {.tx = 0x08, .rx = 0x3}, +}; + +static int max_98390_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_link *dai_link = rtd->dai_link; + struct snd_soc_dai *codec_dai; + int i, ret; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + if (i >= ARRAY_SIZE(max_98390_tdm_mask)) { + dev_err(codec_dai->dev, "invalid codec index %d\n", i); + return -ENODEV; + } + + switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* 4-slot TDM */ + ret = snd_soc_dai_set_tdm_slot(codec_dai, + max_98390_tdm_mask[i].tx, + max_98390_tdm_mask[i].rx, + 4, + params_width(params)); + if (ret < 0) { + dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n", + ret); + return ret; + } + break; + default: + dev_dbg(codec_dai->dev, "codec is in I2S mode\n"); + break; + } + } + return 0; +} + +static int max_98390_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card); + unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID); + int ret; + + switch (num_codecs) { + case 4: + /* add widgets/controls/dapm for tweeter speakers */ + ret = snd_soc_dapm_new_controls(dapm, max_98390_tt_dapm_widgets, + ARRAY_SIZE(max_98390_tt_dapm_widgets)); + if (ret) { + dev_err(rtd->dev, "unable to add tweeter dapm widgets, ret %d\n", + ret); + /* Don't need to add routes if widget addition failed */ + return ret; + } + + ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols, + ARRAY_SIZE(max_98390_tt_kcontrols)); + if (ret) { + dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n", + ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(dapm, max_98390_tt_dapm_routes, + ARRAY_SIZE(max_98390_tt_dapm_routes)); + if (ret) { + dev_err(rtd->dev, "unable to add tweeter dapm routes, ret %d\n", + ret); + return ret; + } + + fallthrough; + case 2: + /* add regular speakers dapm route */ + ret = snd_soc_dapm_new_controls(dapm, maxim_2spk_widgets, + ARRAY_SIZE(maxim_2spk_widgets)); + if (ret) { + dev_err(rtd->dev, "fail to add max98390 woofer widgets, ret %d\n", + ret); + return ret; + } + + ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols, + ARRAY_SIZE(maxim_2spk_kcontrols)); + if (ret) { + dev_err(rtd->dev, "fail to add max98390 woofer kcontrols, ret %d\n", + ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(dapm, max_98390_dapm_routes, + ARRAY_SIZE(max_98390_dapm_routes)); + if (ret) { + dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", + ret); + return ret; + } + break; + default: + dev_err(rtd->dev, "invalid codec number %d\n", num_codecs); + return -EINVAL; + } + + return ret; +} + +static const struct snd_soc_ops max_98390_ops = { + .hw_params = max_98390_hw_params, +}; + +void max_98390_dai_link(struct device *dev, struct snd_soc_dai_link *link) +{ + unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID); + + link->codecs = max_98390_components; + + switch (num_codecs) { + case 2: + case 4: + link->num_codecs = num_codecs; + break; + default: + dev_err(dev, "invalid codec number %d for %s\n", num_codecs, + MAX_98390_ACPI_HID); + break; + } + + link->init = max_98390_init; + link->ops = &max_98390_ops; +} +EXPORT_SYMBOL_NS(max_98390_dai_link, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +void max_98390_set_codec_conf(struct device *dev, struct snd_soc_card *card) +{ + unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID); + + card->codec_conf = max_98390_codec_conf; + + switch (num_codecs) { + case 2: + if (soc_intel_is_cml()) + card->codec_conf = max_98390_cml_codec_conf; + + fallthrough; + case 4: + card->num_configs = num_codecs; + break; + default: + dev_err(dev, "invalid codec number %d for %s\n", num_codecs, + MAX_98390_ACPI_HID); + break; + } +} +EXPORT_SYMBOL_NS(max_98390_set_codec_conf, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +/* + * Maxim MAX98357A/MAX98360A + */ +static const struct snd_kcontrol_new max_98357a_kcontrols[] = { + SOC_DAPM_PIN_SWITCH("Spk"), +}; + +static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Spk", NULL), +}; + +static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = { + /* speaker */ + {"Spk", NULL, "Speaker"}, +}; + +static struct snd_soc_dai_link_component max_98357a_components[] = { + { + .name = MAX_98357A_DEV0_NAME, + .dai_name = MAX_98357A_CODEC_DAI, + } +}; + +static struct snd_soc_dai_link_component max_98360a_components[] = { + { + .name = MAX_98360A_DEV0_NAME, + .dai_name = MAX_98357A_CODEC_DAI, + } +}; + +static int max_98357a_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_card *card = rtd->card; + struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card); + int ret; + + ret = snd_soc_dapm_new_controls(dapm, max_98357a_dapm_widgets, + ARRAY_SIZE(max_98357a_dapm_widgets)); + if (ret) { + dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret); + /* Don't need to add routes if widget addition failed */ + return ret; + } + + ret = snd_soc_add_card_controls(card, max_98357a_kcontrols, + ARRAY_SIZE(max_98357a_kcontrols)); + if (ret) { + dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret); + return ret; + } + + ret = snd_soc_dapm_add_routes(dapm, max_98357a_dapm_routes, + ARRAY_SIZE(max_98357a_dapm_routes)); + + if (ret) + dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret); + + return ret; +} + +void max_98357a_dai_link(struct snd_soc_dai_link *link) +{ + link->codecs = max_98357a_components; + link->num_codecs = ARRAY_SIZE(max_98357a_components); + link->init = max_98357a_init; +} +EXPORT_SYMBOL_NS(max_98357a_dai_link, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +void max_98360a_dai_link(struct snd_soc_dai_link *link) +{ + link->codecs = max_98360a_components; + link->num_codecs = ARRAY_SIZE(max_98360a_components); + link->init = max_98357a_init; +} +EXPORT_SYMBOL_NS(max_98360a_dai_link, "SND_SOC_INTEL_SOF_MAXIM_COMMON"); + +MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers"); +MODULE_LICENSE("GPL"); |