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/* SPDX-License-Identifier: GPL-2.0-only */
#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 <soc/pmc.h>
#include <stddef.h>
#include <string.h>
static const struct soundwire_link link_xtal_38_4 = {
.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,
};
static const struct soundwire_link link_xtal_24 = {
.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,
};
static struct intel_soundwire_controller intel_controller = {
.acpi_address = 0x40000000, /* Custom address for SNDW driver */
.sdw = {
.master_list_count = 4
}
};
int soc_fill_soundwire_controller(struct intel_soundwire_controller **controller)
{
const struct soundwire_link *link;
enum pch_pmc_xtal xtal = pmc_get_xtal_freq();
size_t i;
/* Select link config based on XTAL frequency and set IP clock. */
switch (xtal) {
case XTAL_24_MHZ:
link = &link_xtal_24;
intel_controller.ip_clock = 24 * MHz;
break;
case XTAL_38_4_MHZ:
link = &link_xtal_38_4;
intel_controller.ip_clock = 38400 * KHz;
break;
case XTAL_19_2_MHZ:
default:
printk(BIOS_ERR, "%s: XTAL not supported: 0x%x\n", __func__, xtal);
return -1;
}
/* Fill link config in controller map based on selected XTAL. */
for (i = 0; i < intel_controller.sdw.master_list_count; i++)
memcpy(&intel_controller.sdw.master_list[i], link, sizeof(*link));
*controller = &intel_controller;
return 0;
}
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