Implement a helper function to get number of codecs from ACPI subsystem to remove the need of quirk flag in machine driver.
Signed-off-by: Brent Lu brent.lu@intel.com --- sound/soc/intel/boards/sof_maxim_common.c | 171 +++++++++++++--------- sound/soc/intel/boards/sof_maxim_common.h | 21 ++- 2 files changed, 110 insertions(+), 82 deletions(-)
diff --git a/sound/soc/intel/boards/sof_maxim_common.c b/sound/soc/intel/boards/sof_maxim_common.c index 112e89951da0..1fdd66f5adc2 100644 --- a/sound/soc/intel/boards/sof_maxim_common.c +++ b/sound/soc/intel/boards/sof_maxim_common.c @@ -4,6 +4,7 @@ #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> @@ -11,6 +12,18 @@ #include <uapi/sound/asound.h> #include "sof_maxim_common.h"
+/* 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; +} + #define MAX_98373_PIN_NAME 16
const struct snd_soc_dapm_route max_98373_dapm_routes[] = { @@ -168,17 +181,6 @@ static struct snd_soc_codec_conf max_98390_codec_conf[] = { .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME), .name_prefix = "Left", }, -}; - -static struct snd_soc_codec_conf max_98390_4spk_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", @@ -189,19 +191,7 @@ static struct snd_soc_codec_conf max_98390_4spk_codec_conf[] = { }, };
-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, - }, -}; -EXPORT_SYMBOL_NS(max_98390_components, SND_SOC_INTEL_SOF_MAXIM_COMMON); - -struct snd_soc_dai_link_component max_98390_4spk_components[] = { +static struct snd_soc_dai_link_component max_98390_components[] = { { .name = MAX_98390_DEV0_NAME, .dai_name = MAX_98390_CODEC_DAI, @@ -219,62 +209,56 @@ struct snd_soc_dai_link_component max_98390_4spk_components[] = { .dai_name = MAX_98390_CODEC_DAI, }, }; -EXPORT_SYMBOL_NS(max_98390_4spk_components, SND_SOC_INTEL_SOF_MAXIM_COMMON); + +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 = asoc_substream_to_rtd(substream); struct snd_soc_dai *codec_dai; - int i; + int i, ret = 0;
for_each_rtd_codec_dais(rtd, i, codec_dai) { - if (i >= ARRAY_SIZE(max_98390_4spk_components)) { + if (i >= ARRAY_SIZE(max_98390_tdm_mask)) { dev_err(codec_dai->dev, "invalid codec index %d\n", i); return -ENODEV; }
- if (!strcmp(codec_dai->component->name, MAX_98390_DEV0_NAME)) { - /* DEV0 tdm slot configuration Right */ - snd_soc_dai_set_tdm_slot(codec_dai, 0x01, 3, 4, 32); - } - if (!strcmp(codec_dai->component->name, MAX_98390_DEV1_NAME)) { - /* DEV1 tdm slot configuration Left */ - snd_soc_dai_set_tdm_slot(codec_dai, 0x02, 3, 4, 32); - } - - if (!strcmp(codec_dai->component->name, MAX_98390_DEV2_NAME)) { - /* DEVi2 tdm slot configuration Tweeter Right */ - snd_soc_dai_set_tdm_slot(codec_dai, 0x04, 3, 4, 32); - } - if (!strcmp(codec_dai->component->name, MAX_98390_DEV3_NAME)) { - /* DEV3 tdm slot configuration Tweeter Left */ - snd_soc_dai_set_tdm_slot(codec_dai, 0x08, 3, 4, 32); + 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; } } return 0; }
-int max_98390_spk_codec_init(struct snd_soc_pcm_runtime *rtd) +static int max_98390_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_card *card = rtd->card; + unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID); int ret;
- /* add regular speakers dapm route */ - ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes, - ARRAY_SIZE(max_98390_dapm_routes)); - if (ret) { - dev_err(rtd->dev, "unable to add Left/Right Speaker dapm, ret %d\n", ret); - return ret; - } - - /* add widgets/controls/dapm for tweeter speakers */ - if (acpi_dev_present("MX98390", "3", -1)) { + switch (num_codecs) { + case 4: + /* add widgets/controls/dapm for tweeter speakers */ ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets, ARRAY_SIZE(max_98390_tt_dapm_widgets)); - if (ret) { - dev_err(rtd->dev, "unable to add tweeter dapm controls, ret %d\n", 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; } @@ -282,33 +266,80 @@ int max_98390_spk_codec_init(struct snd_soc_pcm_runtime *rtd) 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 card controls, ret %d\n", ret); + dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n", + ret); return ret; }
ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes, ARRAY_SIZE(max_98390_tt_dapm_routes)); - if (ret) - dev_err(rtd->dev, - "unable to add Tweeter Left/Right Speaker dapm, ret %d\n", ret); + 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_add_routes(&card->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); + ret = -EINVAL; + break; } + return ret; } -EXPORT_SYMBOL_NS(max_98390_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON);
-const struct snd_soc_ops max_98390_ops = { +static const struct snd_soc_ops max_98390_ops = { .hw_params = max_98390_hw_params, }; -EXPORT_SYMBOL_NS(max_98390_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON);
-void max_98390_set_codec_conf(struct snd_soc_card *card, int ch) +void max_98390_dai_link(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: + pr_err("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 snd_soc_card *card) { - if (ch == ARRAY_SIZE(max_98390_4spk_codec_conf)) { - card->codec_conf = max_98390_4spk_codec_conf; - card->num_configs = ARRAY_SIZE(max_98390_4spk_codec_conf); - } else { - card->codec_conf = max_98390_codec_conf; - card->num_configs = ARRAY_SIZE(max_98390_codec_conf); + unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID); + + card->codec_conf = max_98390_codec_conf; + + switch (num_codecs) { + case 2: + case 4: + card->num_configs = num_codecs; + break; + default: + pr_err("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); diff --git a/sound/soc/intel/boards/sof_maxim_common.h b/sound/soc/intel/boards/sof_maxim_common.h index 7a8c53049e4d..a3676d68cc12 100644 --- a/sound/soc/intel/boards/sof_maxim_common.h +++ b/sound/soc/intel/boards/sof_maxim_common.h @@ -27,18 +27,15 @@ int max_98373_trigger(struct snd_pcm_substream *substream, int cmd); /* * Maxim MAX98390 */ -#define MAX_98390_CODEC_DAI "max98390-aif1" -#define MAX_98390_DEV0_NAME "i2c-MX98390:00" -#define MAX_98390_DEV1_NAME "i2c-MX98390:01" -#define MAX_98390_DEV2_NAME "i2c-MX98390:02" -#define MAX_98390_DEV3_NAME "i2c-MX98390:03" - -extern struct snd_soc_dai_link_component max_98390_components[2]; -extern struct snd_soc_dai_link_component max_98390_4spk_components[4]; -extern const struct snd_soc_ops max_98390_ops; - -void max_98390_set_codec_conf(struct snd_soc_card *card, int ch); -int max_98390_spk_codec_init(struct snd_soc_pcm_runtime *rtd); +#define MAX_98390_ACPI_HID "MX98390" +#define MAX_98390_CODEC_DAI "max98390-aif1" +#define MAX_98390_DEV0_NAME "i2c-MX98390:00" +#define MAX_98390_DEV1_NAME "i2c-MX98390:01" +#define MAX_98390_DEV2_NAME "i2c-MX98390:02" +#define MAX_98390_DEV3_NAME "i2c-MX98390:03" + +void max_98390_dai_link(struct snd_soc_dai_link *link); +void max_98390_set_codec_conf(struct snd_soc_card *card);
/* * Maxim MAX98357A/MAX98360A