soundwire.c File Reference

#include <acpi/acpigen.h>
#include <acpi/acpi_device.h>
#include <acpi/acpi_soundwire.h>
#include <commonlib/helpers.h>
#include <device/device.h>
#include <device/path.h>
#include <device/soundwire.h>
#include <stdbool.h>
#include "soundwire.h"
#include "chip.h"

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Functions
__weak int	soc_fill_soundwire_controller (struct intel_soundwire_controller **controller)
	soc_fill_soundwire_controller() - Get SoundWire controller properties from the SoC. More...
static bool	link_enabled (const struct device *dev, unsigned int link)
static void	intel_soundwire_link_prop_cb (struct acpi_dp *dsd, unsigned int id, const struct soundwire_controller *controller)
static void	intel_soundwire_fill_ssdt (const struct device *dev)
static const char *	intel_soundwire_acpi_name (const struct device *dev)
static void	intel_soundwire_enable (struct device *dev)

Variables
static struct device_operations	intel_soundwire_ops
struct chip_operations	drivers_intel_soundwire_ops

Function Documentation

intel_soundwire_acpi_name()

static const char* intel_soundwire_acpi_name ( const struct device *  dev )

static

Definition at line 78 of file soundwire.c.

intel_soundwire_enable()

static void intel_soundwire_enable ( struct device *  dev )

static

Definition at line 91 of file soundwire.c.

intel_soundwire_fill_ssdt()

static void intel_soundwire_fill_ssdt ( const struct device *  dev )

static

Definition at line 47 of file soundwire.c.

References intel_soundwire_controller::acpi_address, acpi_device_name(), acpi_device_scope(), acpi_device_status(), acpi_dp_new_table(), acpi_dp_write(), ACPI_HID_CONTAINER, acpigen_pop_len(), acpigen_write_device(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_scope(), acpigen_write_STA(), device::chip_ops, intel_soundwire_controller::dev, intel_soundwire_link_prop_cb(), chip_operations::name, intel_soundwire_controller::sdw, soc_fill_soundwire_controller(), and soundwire_gen_controller().

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intel_soundwire_link_prop_cb()

static void intel_soundwire_link_prop_cb ( struct acpi_dp *  dsd, unsigned int  id, const struct soundwire_controller *  controller  )

static

Definition at line 32 of file soundwire.c.

References acpi_dp_add_integer(), container_of, intel_soundwire_controller::dev, intel_controller, INTEL_SOUNDWIRE_QUIRK_BUS_DISABLE, intel_soundwire_controller::ip_clock, link_enabled(), intel_soundwire_controller::quirk_mask, and intel_soundwire_controller::sdw.

Referenced by intel_soundwire_fill_ssdt().

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link_enabled()

static bool link_enabled ( const struct device *  dev, unsigned int  link  )

static

Definition at line 20 of file soundwire.c.

References bus::children, DEVICE_PATH_GENERIC, device::enabled, device_path::generic, generic_path::id, device::link_list, device::path, device::sibling, and device_path::type.

Referenced by intel_soundwire_link_prop_cb().

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soc_fill_soundwire_controller()

__weak int soc_fill_soundwire_controller

(

struct intel_soundwire_controller **

controller

)

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.

Definition at line 15 of file soundwire.c.

Referenced by intel_soundwire_fill_ssdt().

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Variable Documentation

drivers_intel_soundwire_ops

struct chip_operations drivers_intel_soundwire_ops

Initial value:

= {
 
        .enable_dev = intel_soundwire_enable
}

Definition at line 91 of file soundwire.c.

intel_soundwire_ops

struct device_operations intel_soundwire_ops

static

Initial value:

= {
        .read_resources         = noop_read_resources,
        .set_resources          = noop_set_resources,
        .acpi_name              = intel_soundwire_acpi_name,
        .acpi_fill_ssdt         = intel_soundwire_fill_ssdt,
        .scan_bus               = scan_static_bus,
}

Definition at line 78 of file soundwire.c.