diff options
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/acpi.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/dm/acpi.h b/include/dm/acpi.h index e956e49680..fceb1ae95c 100644 --- a/include/dm/acpi.h +++ b/include/dm/acpi.h @@ -82,11 +82,31 @@ struct acpi_ops { * whatever ACPI code is needed by this device. It will end up in the * SSDT table. * + * Note that this is called 'fill' because the entire contents of the + * SSDT is build by calling this method on all devices. + * * @dev: Device to write * @ctx: ACPI context to use * @return 0 if OK, -ve on error */ int (*fill_ssdt)(const struct udevice *dev, struct acpi_ctx *ctx); + + /** + * inject_dsdt() - Generate DSDT code for a device + * + * This is called to create the DSDT code. The method should write out + * whatever ACPI code is needed by this device. It will end up in the + * DSDT table. + * + * Note that this is called 'inject' because the output of calling this + * method on all devices is injected into the DSDT, the bulk of which + * is written in .asl files for the board. + * + * @dev: Device to write + * @ctx: ACPI context to use + * @return 0 if OK, -ve on error + */ + int (*inject_dsdt)(const struct udevice *dev, struct acpi_ctx *ctx); }; #define device_get_acpi_ops(dev) ((dev)->driver->acpi_ops) @@ -141,6 +161,16 @@ int acpi_write_dev_tables(struct acpi_ctx *ctx); */ int acpi_fill_ssdt(struct acpi_ctx *ctx); +/** + * acpi_inject_dsdt() - Generate ACPI tables for DSDT + * + * This is called to create the DSDT code for all devices. + * + * @ctx: ACPI context to use + * @return 0 if OK, -ve on error + */ +int acpi_inject_dsdt(struct acpi_ctx *ctx); + #endif /* __ACPI__ */ #endif |