static void gpio_regulator_fill_ssdt_generator(struct device *dev)
{
struct drivers_generic_gpio_regulator_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
const char *path = acpi_device_path(dev);
struct acpi_dp *dsd;
if (!dev->enabled || !scope || !path || !config->gpio.pin_count)
return;
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
/* _HID is set to PRP0001 */
acpigen_write_name_string("_HID", ACPI_DT_NAMESPACE_HID);
/* Resources - _CRS */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_gpio(&config->gpio);
acpigen_write_resourcetemplate_footer();
/* DSD */
dsd = acpi_dp_new_table("_DSD");
acpi_dp_add_string(dsd, "compatible", "regulator-fixed");
acpi_dp_add_string(dsd, "regulator-name", config->name);
acpi_dp_add_gpio(dsd, "gpio-gpios", path, 0, 0, config->gpio.polarity);
if (config->enabled_on_boot)
acpi_dp_add_string(dsd, "regulator-boot-on", "on");
if (config->gpio.polarity == ACPI_GPIO_ACTIVE_HIGH)
acpi_dp_add_string(dsd, "enable-active-high", "on");
acpi_dp_write(dsd);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
}
static void spi_acpi_fill_ssdt_generator(struct device *dev)
{
struct drivers_spi_acpi_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
const char *path = acpi_device_path(dev);
struct acpi_spi spi = {
.device_select = dev->path.spi.cs,
.speed = config->speed ? : 1 * MHz,
.resource = scope,
.device_select_polarity = SPI_POLARITY_LOW,
.wire_mode = SPI_4_WIRE_MODE,
.data_bit_length = 8,
.clock_phase = SPI_CLOCK_PHASE_FIRST,
.clock_polarity = SPI_POLARITY_LOW,
};
int curr_index = 0;
int irq_gpio_index = -1;
int reset_gpio_index = -1;
int enable_gpio_index = -1;
if (!dev->enabled || !scope)
return;
if (spi_acpi_get_bus(dev) == -1) {
printk(BIOS_ERR, "%s: ERROR: Cannot get bus for device.\n",
dev_path(dev));
return;
}
if (!config->hid) {
printk(BIOS_ERR, "%s: ERROR: HID required.\n", dev_path(dev));
return;
}
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
acpigen_write_name_string("_HID", config->hid);
if (config->cid)
acpigen_write_name_string("_CID", config->cid);
acpigen_write_name_integer("_UID", config->uid);
if (config->desc)
acpigen_write_name_string("_DDN", config->desc);
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_spi(&spi);
/* Use either Interrupt() or GpioInt() */
if (config->irq_gpio.pin_count)
irq_gpio_index = spi_acpi_write_gpio(&config->irq_gpio,
&curr_index);
else
acpi_device_write_interrupt(&config->irq);
/* Add enable/reset GPIOs if needed */
if (spi_acpi_add_gpios_to_crs(config)) {
reset_gpio_index = spi_acpi_write_gpio(&config->reset_gpio,
&curr_index);
enable_gpio_index = spi_acpi_write_gpio(&config->enable_gpio,
&curr_index);
}
acpigen_write_resourcetemplate_footer();
/* Wake capabilities */
if (config->wake) {
acpigen_write_name_integer("_S0W", 4);
acpigen_write_PRW(config->wake, 3);
};
/* Write device properties if needed */
if (config->compat_string || irq_gpio_index >= 0 ||
reset_gpio_index >= 0 || enable_gpio_index >= 0) {
struct acpi_dp *dsd = acpi_dp_new_table("_DSD");
if (config->compat_string)
acpi_dp_add_string(dsd, "compatible",
config->compat_string);
if (irq_gpio_index >= 0)
acpi_dp_add_gpio(dsd, "irq-gpios", path,
irq_gpio_index, 0,
config->irq_gpio.polarity);
if (reset_gpio_index >= 0)
acpi_dp_add_gpio(dsd, "reset-gpios", path,
reset_gpio_index, 0,
config->reset_gpio.polarity);
if (enable_gpio_index >= 0)
acpi_dp_add_gpio(dsd, "enable-gpios", path,
enable_gpio_index, 0,
config->enable_gpio.polarity);
acpi_dp_write(dsd);
}
/* Power Resource */
if (config->has_power_resource)
acpi_device_add_power_res(
&config->reset_gpio, config->reset_delay_ms,
&config->enable_gpio, config->enable_delay_ms);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s at %s\n", path,
config->desc ? : dev->chip_ops->name, dev_path(dev));
}
static const char *spi_acpi_name(struct device *dev)
{
struct drivers_spi_acpi_config *config = dev->chip_info;
static char name[5];
if (config->name)
return config->name;
snprintf(name, sizeof(name), "S%03.3X", spi_acpi_get_bus(dev));
name[4] = '\0';
return name;
}
static struct device_operations spi_acpi_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.acpi_name = &spi_acpi_name,
.acpi_fill_ssdt_generator = &spi_acpi_fill_ssdt_generator,
};
static void spi_acpi_enable(struct device *dev)
{
dev->ops = &spi_acpi_ops;
}
struct chip_operations drivers_spi_acpi_ops = {
CHIP_NAME("SPI Device")
.enable_dev = &spi_acpi_enable
};
static void nau8825_fill_ssdt(struct device *dev)
{
struct drivers_i2c_nau8825_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
struct acpi_i2c i2c = {
.address = dev->path.i2c.device,
.mode_10bit = dev->path.i2c.mode_10bit,
.speed = config->bus_speed ? : I2C_SPEED_FAST,
.resource = scope,
};
struct acpi_dp *dp = NULL;
if (!dev->enabled || !scope)
return;
if (config->sar_threshold_num > NAU8825_MAX_BUTTONS)
return;
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
acpigen_write_name_string("_HID", NAU8825_ACPI_HID);
acpigen_write_name_integer("_UID", 0);
acpigen_write_name_string("_DDN", dev->chip_ops->name);
acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON);
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_i2c(&i2c);
acpi_device_write_interrupt(&config->irq);
acpigen_write_resourcetemplate_footer();
/* Device Properties */
dp = acpi_dp_new_table("_DSD");
NAU8825_DP_INT("jkdet-enable", config->jkdet_enable);
NAU8825_DP_INT("jkdet-pull-enable", config->jkdet_pull_enable);
NAU8825_DP_INT("jkdet-pull-up", config->jkdet_pull_up);
NAU8825_DP_INT("jkdet-polarity", config->jkdet_polarity);
NAU8825_DP_INT("vref-impedance", config->vref_impedance);
NAU8825_DP_INT("micbias-voltage", config->micbias_voltage);
NAU8825_DP_INT("sar-hysteresis", config->sar_hysteresis);
NAU8825_DP_INT("sar-voltage", config->sar_voltage);
NAU8825_DP_INT("sar-compare-time", config->sar_compare_time);
NAU8825_DP_INT("sar-sampling-time", config->sar_sampling_time);
NAU8825_DP_INT("short-key-debounce", config->short_key_debounce);
NAU8825_DP_INT("jack-insert-debounce", config->jack_insert_debounce);
NAU8825_DP_INT("jack-eject-deboune", config->jack_eject_debounce);
NAU8825_DP_INT("sar-threshold-num", config->sar_threshold_num);
acpi_dp_add_integer_array(dp, "nuvoton,sar-threshold",
config->sar_threshold, config->sar_threshold_num);
acpi_dp_write(dp);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s address 0%xh irq %d\n",
acpi_device_path(dev), dev->chip_ops->name,
dev->path.i2c.device, config->irq.pin);
}
static const char *nau8825_acpi_name(struct device *dev)
{
return NAU8825_ACPI_NAME;
}
#endif
static struct device_operations nau8825_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.acpi_name = &nau8825_acpi_name,
.acpi_fill_ssdt_generator = &nau8825_fill_ssdt,
#endif
};
static void nau8825_enable(struct device *dev)
{
dev->ops = &nau8825_ops;
}
struct chip_operations drivers_i2c_nau8825_ops = {
CHIP_NAME("Nuvoton NAU8825 Codec")
.enable_dev = &nau8825_enable
};
static void max98373_fill_ssdt(struct device *dev)
{
struct drivers_i2c_max98373_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
struct acpi_i2c i2c = {
.address = dev->path.i2c.device,
.mode_10bit = dev->path.i2c.mode_10bit,
.speed = config->bus_speed ? : I2C_SPEED_STANDARD,
.resource = scope,
};
struct acpi_dp *dp;
if (!dev->enabled || !scope) {
printk(BIOS_ERR, "%s: dev not enabled", __func__);
return;
}
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
acpigen_write_name_string("_HID", MAX98373_ACPI_HID);
acpigen_write_name_integer("_UID", config->uid);
if (config->desc)
acpigen_write_name_string("_DDN", config->desc);
acpigen_write_STA(acpi_device_status(dev));
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_i2c(&i2c);
acpigen_write_resourcetemplate_footer();
/* Device Properties */
dp = acpi_dp_new_table("_DSD");
if (config->interleave_mode)
acpi_dp_add_integer(dp, "maxim,interleave_mode",
config->interleave_mode);
acpi_dp_add_integer(dp, "maxim,vmon-slot-no", config->vmon_slot_no);
acpi_dp_add_integer(dp, "maxim,imon-slot-no", config->imon_slot_no);
acpi_dp_write(dp);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s address 0%xh\n", acpi_device_path(dev),
dev->chip_ops->name, dev->path.i2c.device);
}
static const char *max98373_acpi_name(const struct device *dev)
{
struct drivers_i2c_max98373_config *config = dev->chip_info;
if (config->name)
return config->name;
return MAX98373_ACPI_NAME;
}
static struct device_operations max98373_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.acpi_name = &max98373_acpi_name,
.acpi_fill_ssdt_generator = &max98373_fill_ssdt,
};
static void max98373_enable(struct device *dev)
{
struct drivers_i2c_max98373_config *config = dev->chip_info;
dev->ops = &max98373_ops;
if (config && config->desc) {
dev->name = config->desc;
}
}
struct chip_operations drivers_i2c_max98373_ops = {
CHIP_NAME("Maxim MAX98373 Codec")
.enable_dev = &max98373_enable
};