soundwire.c File Reference

#include <acpi/acpi_soundwire.h>
#include <console/console.h>
#include <device/mmio.h>
#include <device/soundwire.h>
#include <drivers/intel/soundwire/soundwire.h>
#include <intelblocks/pmclib.h>
#include <stddef.h>
#include <string.h>

Include dependency graph for soundwire.c:

Go to the source code of this file.

Functions
int	soc_fill_soundwire_controller (struct intel_soundwire_controller **controller)
	soc_fill_soundwire_controller() - Get SoundWire controller properties from the SoC. More...

Variables
static const struct soundwire_link	link_xtal_38_4
static const struct soundwire_link	link_xtal_24
static struct intel_soundwire_controller	intel_controller

Function Documentation

soc_fill_soundwire_controller()

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 43 of file soundwire.c.

References BIOS_ERR, intel_controller, intel_soundwire_controller::ip_clock, KHz, link_xtal_24, link_xtal_38_4, soundwire_controller::master_list, soundwire_controller::master_list_count, memcpy(), MHz, pmc_get_xtal_freq(), printk, intel_soundwire_controller::sdw, XTAL_19_2_MHZ, XTAL_24_MHZ, and XTAL_38_4_MHZ.

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Variable Documentation

intel_controller

struct intel_soundwire_controller intel_controller

static

Initial value:

= {
        .acpi_address = 0x40000000,
        .sdw = {
                .master_list_count = 4
        }
}

Definition at line 1 of file soundwire.c.

Referenced by intel_soundwire_link_prop_cb(), and soc_fill_soundwire_controller().

link_xtal_24

const struct soundwire_link link_xtal_24

static

Initial value:

= {
        .clock_stop_mode0_supported = 1,
        .clock_stop_mode1_supported = 1,
        .clock_frequencies_supported_count = 1,
        .clock_frequencies_supported = { 6 * MHz },
        .default_frame_rate = 48 * KHz,
        .default_frame_row_size = 125,
        .default_frame_col_size = 2,
        .dynamic_frame_shape = 1,
        .command_error_threshold = 16,
}

Definition at line 1 of file soundwire.c.

Referenced by soc_fill_soundwire_controller().

link_xtal_38_4

const struct soundwire_link link_xtal_38_4

static

Initial value:

= {
        .clock_stop_mode0_supported = 1,
        .clock_stop_mode1_supported = 1,
        .clock_frequencies_supported_count = 1,
        .clock_frequencies_supported = { 4800 * KHz },
        .default_frame_rate = 48 * KHz,
        .default_frame_row_size = 50,
        .default_frame_col_size = 4,
        .dynamic_frame_shape = 1,
        .command_error_threshold = 16,
}

Definition at line 1 of file soundwire.c.

Referenced by soc_fill_soundwire_controller().