diff options
Diffstat (limited to 'src/drivers/intel/soundwire/soundwire.h')
| -rw-r--r-- | src/drivers/intel/soundwire/soundwire.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/drivers/intel/soundwire/soundwire.h b/src/drivers/intel/soundwire/soundwire.h new file mode 100644 index 0000000000..3e2addfcbf --- /dev/null +++ b/src/drivers/intel/soundwire/soundwire.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __DRIVERS_INTEL_SOUNDWIRE_H__ +#define __DRIVERS_INTEL_SOUNDWIRE_H__ + +#include <device/soundwire.h> +#include <stdint.h> + +/** + * enum intel_soundwire_quirk - Quirks for controller master links. + * @INTEL_SOUNDWIRE_QUIRK_STATIC_CLOCK: Link clock is fixed. + * @INTEL_SOUNDWIRE_QUIRK_BUS_DISABLE: This link should be disabled. + */ +enum intel_soundwire_quirk { + INTEL_SOUNDWIRE_QUIRK_STATIC_CLOCK = BIT(0), + INTEL_SOUNDWIRE_QUIRK_BUS_DISABLE = BIT(1), +}; + +/** + * struct intel_soundwire_controller - SoundWire controller configuration for Intel SoC. + * @dev: Device handle for this controller. + * @acpi_address: ACPI address for this controller. This is a custom address that is not + * compatible with either PCI or SoundWire. + * @ip_clock: Frequency of the source clock connected to the controller. + * @quirk_mask: Quirks that can be passed to the kernel drivers. + * @sdw: SoundWire controller properties defined in MIPI SoundWire DisCo Specification. + */ +struct intel_soundwire_controller { + const struct device *dev; + uint64_t acpi_address; + unsigned int ip_clock; + unsigned int quirk_mask; + struct soundwire_controller sdw; +}; + +/** + * soc_fill_soundwire_controller() - Get SoundWire controller properties from the SoC. + * @controller: Properties to be filled by the SoC. + * Return zero for success, -1 if there was any error filling the properties. + */ +int soc_fill_soundwire_controller(struct intel_soundwire_controller **controller); + +#endif /* __DRIVERS_INTEL_SOUNDWIRE_H__ */ |