Prashant Malani | 688105b | 2022-04-01 20:19:20 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | #include <acpi/acpigen.h> |
| 4 | |
| 5 | #define GOOGLE_CHROMEEC_MUX_DEVICE_HID "GOOG001A" |
| 6 | #define GOOGLE_CHROMEEC_MUX_DEVICE_NAME "ECMX" |
| 7 | |
| 8 | static void mux_fill_ssdt(const struct device *dev) |
| 9 | { |
| 10 | acpigen_write_scope(acpi_device_scope(dev)); |
| 11 | acpigen_write_device(GOOGLE_CHROMEEC_MUX_DEVICE_NAME); |
| 12 | acpigen_write_name_string("_HID", GOOGLE_CHROMEEC_MUX_DEVICE_HID); |
| 13 | acpigen_write_name_string("_DDN", "ChromeOS EC Embedded Controller " |
| 14 | "Mux & Retimer control"); |
| 15 | |
| 16 | acpigen_write_device_end(); |
| 17 | acpigen_write_scope_end(); |
| 18 | } |
| 19 | |
| 20 | static const char *mux_acpi_name(const struct device *dev) |
| 21 | { |
| 22 | return GOOGLE_CHROMEEC_MUX_DEVICE_NAME; |
| 23 | } |
| 24 | |
| 25 | static struct device_operations mux_ops = { |
| 26 | .read_resources = noop_read_resources, |
| 27 | .set_resources = noop_set_resources, |
| 28 | .acpi_name = mux_acpi_name, |
| 29 | .acpi_fill_ssdt = mux_fill_ssdt, |
| 30 | .scan_bus = scan_static_bus, |
| 31 | }; |
| 32 | |
| 33 | static void mux_enable(struct device *dev) |
| 34 | { |
| 35 | dev->ops = &mux_ops; |
| 36 | } |
| 37 | |
| 38 | struct chip_operations ec_google_chromeec_mux_ops = { |
Nicholas Sudsgaard | bfb11be | 2024-01-30 09:53:46 +0900 | [diff] [blame^] | 39 | .name = "CrosEC Type C Mux device", |
Prashant Malani | 688105b | 2022-04-01 20:19:20 +0000 | [diff] [blame] | 40 | .enable_dev = mux_enable |
| 41 | }; |