acpi_device: Move power resource function to generic code
Move the function that adds a power resource block from
i2c/generic to the acpi device code at src/arch/x86/acpi_device.c
so it can be used by more drivers.
BUG=chrome-os-partner:61233
TEST=verify SSDT table generation is unchanged
Change-Id: I0ffb61a4f46028cbe912e85c0124d9f5200b9c76
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/18391
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/drivers/i2c/generic/generic.c b/src/drivers/i2c/generic/generic.c
index a90947f..dea78d5 100644
--- a/src/drivers/i2c/generic/generic.c
+++ b/src/drivers/i2c/generic/generic.c
@@ -26,50 +26,6 @@
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
-static void i2c_generic_add_power_res(struct drivers_i2c_generic_config *config)
-{
- const char *power_res_dev_states[] = { "_PR0", "_PR3" };
- unsigned reset_gpio = config->reset_gpio.pins[0];
- unsigned enable_gpio = config->enable_gpio.pins[0];
-
- if (!config->has_power_resource)
- return;
-
- if (!reset_gpio && !enable_gpio)
- return;
-
- /* PowerResource (PRIC, 0, 0) */
- acpigen_write_power_res("PRIC", 0, 0, power_res_dev_states,
- ARRAY_SIZE(power_res_dev_states));
-
- /* Method (_STA, 0, NotSerialized) { Return (0x1) } */
- acpigen_write_STA(0x1);
-
- /* Method (_ON, 0, Serialized) */
- acpigen_write_method_serialized("_ON", 0);
- if (reset_gpio)
- acpigen_soc_set_tx_gpio(reset_gpio);
- if (enable_gpio) {
- acpigen_soc_set_tx_gpio(enable_gpio);
- acpigen_write_sleep(config->enable_delay_ms);
- }
- if (reset_gpio) {
- acpigen_soc_clear_tx_gpio(reset_gpio);
- acpigen_write_sleep(config->reset_delay_ms);
- }
- acpigen_pop_len(); /* _ON method */
-
- /* Method (_OFF, 0, Serialized) */
- acpigen_write_method_serialized("_OFF", 0);
- if (reset_gpio)
- acpigen_soc_set_tx_gpio(reset_gpio);
- if (enable_gpio)
- acpigen_soc_clear_tx_gpio(enable_gpio);
- acpigen_pop_len(); /* _OFF method */
-
- acpigen_pop_len(); /* PowerResource PRIC */
-}
-
static bool i2c_generic_add_gpios_to_crs(struct drivers_i2c_generic_config *cfg)
{
/*
@@ -170,7 +126,10 @@
}
/* Power Resource */
- i2c_generic_add_power_res(config);
+ if (config->has_power_resource)
+ acpi_device_add_power_res(
+ &config->reset_gpio, config->reset_delay_ms,
+ &config->enable_gpio, config->enable_delay_ms);
/* Callback if any. */
if (callback)