src/drivers/intel/soundwire/soundwire.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __DRIVERS_INTEL_SOUNDWIRE_H__
   4 #define __DRIVERS_INTEL_SOUNDWIRE_H__
   5
   6 #include <device/soundwire.h>
   7 #include <types.h>
   8
   9 /**
  10  * enum intel_soundwire_quirk - Quirks for controller master links.
  11  * @INTEL_SOUNDWIRE_QUIRK_STATIC_CLOCK: Link clock is fixed.
  12  * @INTEL_SOUNDWIRE_QUIRK_BUS_DISABLE: This link should be disabled.
  13  */
  14 enum intel_soundwire_quirk {
  15         INTEL_SOUNDWIRE_QUIRK_STATIC_CLOCK = BIT(0),
  16         INTEL_SOUNDWIRE_QUIRK_BUS_DISABLE = BIT(1),
  17 };
  18
  19 /**
  20  * struct intel_soundwire_controller - SoundWire controller configuration for Intel SoC.
  21  * @dev: Device handle for this controller.
  22  * @acpi_address: ACPI address for this controller.  This is a custom address that is not
  23  *                compatible with either PCI or SoundWire.
  24  * @ip_clock: Frequency of the source clock connected to the controller.
  25  * @quirk_mask: Quirks that can be passed to the kernel drivers.
  26  * @sdw: SoundWire controller properties defined in MIPI SoundWire DisCo Specification.
  27  */
  28 struct intel_soundwire_controller {
  29         const struct device *dev;
  30         uint64_t acpi_address;
  31         unsigned int ip_clock;
  32         unsigned int quirk_mask;
  33         struct soundwire_controller sdw;
  34 };
  35
  36 /**
  37  * soc_fill_soundwire_controller() - Get SoundWire controller properties from the SoC.
  38  * @controller: Properties to be filled by the SoC.
  39  * Return zero for success, -1 if there was any error filling the properties.
  40  */
  41 int soc_fill_soundwire_controller(struct intel_soundwire_controller **controller);
  42
  43 #endif /* __DRIVERS_INTEL_SOUNDWIRE_H__ */