struct snd_soc_acpi_package_context { char *name; /* package name */ int length; /* number of elements */ struct acpi_buffer *format; struct acpi_buffer *state; bool data_valid;
};
/* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */ #define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
/** * snd_soc_acpi_mach_params: interface for machine driver configuration * * @acpi_ipc_irq_index: used for BYT-CR detection * @platform: string used for HDAudio codec support * @codec_mask: used for HDAudio support * @dmic_num: number of SoC- or chipset-attached PDM digital microphones * @link_mask: SoundWire links enabled on the board * @links: array of SoundWire link _ADR descriptors, null terminated * @i2s_link_mask: I2S/TDM links enabled on the board * @num_dai_drivers: number of elements in @dai_drivers * @dai_drivers: pointer to dai_drivers, used e.g. in nocodec mode * @subsystem_vendor: optional PCI SSID vendor value * @subsystem_device: optional PCI SSID device value * @subsystem_rev: optional PCI SSID revision value * @subsystem_id_set: true if a value has been written to * subsystem_vendor and subsystem_device. * @bt_link_mask: BT offload link enabled on the board
*/ struct snd_soc_acpi_mach_params {
u32 acpi_ipc_irq_index; constchar *platform;
u32 codec_mask;
u32 dmic_num;
u32 link_mask; conststruct snd_soc_acpi_link_adr *links;
u32 i2s_link_mask;
u32 num_dai_drivers; struct snd_soc_dai_driver *dai_drivers; unsignedshort subsystem_vendor; unsignedshort subsystem_device; unsignedshort subsystem_rev; bool subsystem_id_set;
u32 bt_link_mask;
};
/** * snd_soc_acpi_endpoint - endpoint descriptor * @num: endpoint number (mandatory, unique per device) * @aggregated: 0 (independent) or 1 (logically grouped) * @group_position: zero-based order (only when @aggregated is 1) * @group_id: platform-unique group identifier (only when @aggregrated is 1)
*/ struct snd_soc_acpi_endpoint {
u8 num;
u8 aggregated;
u8 group_position;
u8 group_id;
};
/** * snd_soc_acpi_adr_device - descriptor for _ADR-enumerated device * @adr: 64 bit ACPI _ADR value * @num_endpoints: number of endpoints for this device * @endpoints: array of endpoints * @name_prefix: string used for codec controls
*/ struct snd_soc_acpi_adr_device { const u64 adr; const u8 num_endpoints; conststruct snd_soc_acpi_endpoint *endpoints; constchar *name_prefix;
};
/** * snd_soc_acpi_link_adr - ACPI-based list of _ADR enumerated devices * @mask: one bit set indicates the link this list applies to * @num_adr: ARRAY_SIZE of devices * @adr_d: array of devices * * The number of devices per link can be more than 1, e.g. in SoundWire * multi-drop configurations.
*/
/* * when set the topology uses the -ssp<N> suffix, where N is determined based on * BIOS or DMI information
*/ #define SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER BIT(0)
/* * when more than one SSP is reported in the link mask, use the most significant. * This choice was found to be valid on platforms with ES8336 codecs.
*/ #define SND_SOC_ACPI_TPLG_INTEL_SSP_MSB BIT(1)
/* * when set the topology uses the -dmic<N>ch suffix, where N is determined based on * BIOS or DMI information
*/ #define SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER BIT(2)
/* * when set the speaker amplifier name suffix (i.e. "-max98360a") will be * appended to topology file name
*/ #define SND_SOC_ACPI_TPLG_INTEL_AMP_NAME BIT(3)
/* * when set the headphone codec name suffix (i.e. "-rt5682") will be appended to * topology file name
*/ #define SND_SOC_ACPI_TPLG_INTEL_CODEC_NAME BIT(4)
/** * snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are * related to the hardware, except for the firmware and topology file names. * A platform supported by legacy and Sound Open Firmware (SOF) would expose * all firmware/topology related fields. * * @id: ACPI ID (usually the codec's) used to find a matching machine driver. * @uid: ACPI Unique ID, can be used to disambiguate matches. * @comp_ids: list of compatible audio codecs using the same machine driver, * firmware and topology * @link_mask: describes required board layout, e.g. for SoundWire. * @links: array of link _ADR descriptors, null terminated. * @drv_name: machine driver name * @fw_filename: firmware file name. Used when SOF is not enabled. * @tplg_filename: topology file name. Used when SOF is not enabled. * @board: board name * @machine_quirk: pointer to quirk, usually based on DMI information when * ACPI ID alone is not sufficient, wrong or misleading * @quirk_data: data used to uniquely identify a machine, usually a list of * audio codecs whose presence if checked with ACPI * @machine_check: pointer to quirk function. The functionality is similar to * the use of @machine_quirk, except that the return value is a boolean: the intent * is to skip a machine if the additional hardware/firmware verification invalidates * the initial selection in the snd_soc_acpi_mach table. * @pdata: intended for platform data or machine specific-ops. This structure * is not constant since this field may be updated at run-time * @sof_tplg_filename: Sound Open Firmware topology file name, if enabled * @tplg_quirk_mask: quirks to select different topology files dynamically * @get_function_tplg_files: This is an optional callback, if specified then instead of * the single sof_tplg_filename the callback will return the list of function topology * files to be loaded. * Return value: The number of the files or negative ERRNO. 0 means that the single topology * file should be used, no function topology split can be used on the machine. * @card: the pointer of the card * @mach: the pointer of the machine driver * @prefix: the prefix of the topology file name. Typically, it is the path. * @tplg_files: the pointer of the array of the topology file names.
*/ /* Descriptor for SST ASoC machine driver */ struct snd_soc_acpi_mach {
u8 id[ACPI_ID_LEN]; constchar *uid; conststruct snd_soc_acpi_codecs *comp_ids; const u32 link_mask; conststruct snd_soc_acpi_link_adr *links; constchar *drv_name; constchar *fw_filename; constchar *tplg_filename; constchar *board; struct snd_soc_acpi_mach * (*machine_quirk)(void *arg); constvoid *quirk_data; bool (*machine_check)(void *arg); void *pdata; struct snd_soc_acpi_mach_params mach_params; constchar *sof_tplg_filename; const u32 tplg_quirk_mask; int (*get_function_tplg_files)(struct snd_soc_card *card, conststruct snd_soc_acpi_mach *mach, constchar *prefix, constchar ***tplg_files);
};
#define SND_SOC_ACPI_MAX_CODECS 3
/** * struct snd_soc_acpi_codecs: Structure to hold secondary codec information * apart from the matched one, this data will be passed to the quirk function * to match with the ACPI detected devices * * @num_codecs: number of secondary codecs used in the platform * @codecs: holds the codec IDs *
*/ struct snd_soc_acpi_codecs { int num_codecs;
u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
};
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