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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpi_device.h>
#include <baseboard/variants.h>
#include <console/console.h>
#include <device/device.h>
#include <drivers/amd/i2s_machine_dev/chip.h>
#include <drivers/i2c/generic/chip.h>
#include <drivers/i2c/hid/chip.h>
#include <drivers/usb/acpi/chip.h>
#include <ec/google/chromeec/ec.h>
#include <soc/gpio.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
extern struct chip_operations drivers_i2c_generic_ops;
extern struct chip_operations drivers_i2c_hid_ops;
WEAK_DEV_PTR(xhci1_bt);
static void update_hp_int_odl(void)
{
const struct device *rt5682_dev = DEV_PTR(audio_rt5682);
struct drivers_i2c_generic_config *cfg;
struct acpi_gpio *gpio;
struct soc_amd_picasso_config *soc_cfg;
if (!variant_uses_codec_gpi())
return;
cfg = config_of(rt5682_dev);
gpio = &cfg->irq_gpio;
gpio->pins[0] = 62;
/*
* When using CODEC_GPI for headphone jack interrupt, ACP_PME_EN and ACP_I2S_WAKE_EN
* need to be set to trigger I2S_WAKE event for headphone jack.
*/
soc_cfg = config_of_soc();
soc_cfg->common_config.acp_config.acp_i2s_wake_enable = 1;
soc_cfg->common_config.acp_config.acp_pme_enable = 1;
}
static void update_dmic_gpio(void)
{
const struct device *machine_dev = DEV_PTR(acp_machine);
struct drivers_amd_i2s_machine_dev_config *cfg;
struct acpi_gpio *gpio;
if (variant_uses_v3_schematics())
return;
cfg = config_of(machine_dev);
gpio = &cfg->dmic_select_gpio;
if (CONFIG(BOARD_GOOGLE_BASEBOARD_TREMBYLE))
gpio->pins[0] = GPIO_13;
else
gpio->pins[0] = GPIO_6;
}
void variant_audio_update(void)
{
update_dmic_gpio();
update_hp_int_odl();
}
/*
* Removes reset_gpio from usb device in device tree.
*
* debug_device_name is used for debug messaging only.
*/
static void remove_usb_device_reset_gpio(const struct device *usb_dev)
{
struct drivers_usb_acpi_config *usb_cfg;
/* config_of dies on failure, so a NULL check is not required */
usb_cfg = config_of(usb_dev);
usb_cfg->reset_gpio.pin_count = 0;
}
/*
* The bluetooth device may be on XHCI0 or XHCI1 depending on SOC.
* There's no harm in removing reset_gpio from both here.
*/
static void baseboard_trembyle_remove_bluetooth_reset_gpio(void)
{
remove_usb_device_reset_gpio(DEV_PTR(xhci0_bt));
remove_usb_device_reset_gpio(DEV_PTR(xhci1_bt));
}
void variant_bluetooth_update(void)
{
if (CONFIG(BOARD_GOOGLE_BASEBOARD_DALBOZ) || variant_uses_v3_schematics())
return;
baseboard_trembyle_remove_bluetooth_reset_gpio();
}
void variant_touchscreen_update(void)
{
DEVTREE_CONST struct device *mmio_dev = DEV_PTR(i2c_2);
struct device *child = NULL;
/*
* By default, devicetree/overridetree entries for touchscreen device are configured to
* match v3.6 of reference schematics. So, if the board is using v3.6+ schematics, no
* additional work is required here. For maintaining support for pre-v3.6 boards, rest
* of the code in this function finds all entries that correspond to touchscreen
* devices (identified by reset_gpio being set to GPIO_140) and updates them as per
* pre-v3.6 version of schematics:
* 1. reset_gpio is marked as active high.
*/
if (variant_uses_v3_6_schematics())
return;
while ((child = dev_bus_each_child(mmio_dev->link_list, child)) != NULL) {
struct drivers_i2c_generic_config *cfg;
if (child->chip_ops == &drivers_i2c_generic_ops) {
cfg = config_of(child);
} else if (child->chip_ops == &drivers_i2c_hid_ops) {
struct drivers_i2c_hid_config *hid_cfg;
hid_cfg = config_of(child);
cfg = &hid_cfg->generic;
} else {
continue;
}
/* If reset_gpio is set to GPIO_140, assume that this is touchscreen device. */
if (cfg->reset_gpio.pins[0] != GPIO_140)
continue;
cfg->reset_gpio.active_low = 0;
cfg->enable_gpio.pin_count = 0;
cfg->enable_gpio.pins[0] = 0;
}
}
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