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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <baseboard/variants.h>
#include <variant/sku.h>
#include <string.h>
#include <drivers/i2c/hid/chip.h>
#define RT58_I2C_ADDRESS 0x1a
extern struct chip_operations drivers_i2c_generic_ops;
extern struct chip_operations drivers_i2c_da7219_ops;
void variant_devtree_update(void)
{
struct device *mmio_dev = NULL, *child = NULL;
struct device *alc_dev = NULL, *da7219_dev = NULL;
do {
mmio_dev = dev_find_path(mmio_dev, DEVICE_PATH_MMIO);
if (!mmio_dev) {
printk(BIOS_INFO, "Checking audio codec\n");
return;
}
} while (mmio_dev->path.mmio.addr != APU_I2C0_BASE);
while ((child = dev_bus_each_child(mmio_dev->downstream, child)) != NULL) {
if (child->path.type != DEVICE_PATH_I2C)
continue;
if (child->path.i2c.device != RT58_I2C_ADDRESS)
continue;
if (child->chip_ops == &drivers_i2c_generic_ops) {
struct drivers_i2c_generic_config *config = child->chip_info;
if (!strcmp(config->hid, "10EC5682"))
alc_dev = child;
} else if (child->chip_ops == &drivers_i2c_da7219_ops) {
da7219_dev = child;
}
}
switch (google_chromeec_get_sku_id()) {
case SKU_TREEYA_ALC5682_AE:
case SKU_TREEYA_ALC5682_AF:
/* alc5682 only */
if (da7219_dev)
da7219_dev->enabled = 0;
if (alc_dev)
alc_dev->enabled = 1;
break;
default:
/* da7219 only */
if (da7219_dev)
da7219_dev->enabled = 1;
if (alc_dev)
alc_dev->enabled = 0;
break;
}
}
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