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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-11-07 20:19:42 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-11-20 16:50:48 +0100 |
commit | a6cb0a611273767683d50fb908173b6f88052ce5 (patch) | |
tree | 3790fab814146cfa2e1a164874bcc7b77f06145a /include | |
parent | 48c9996f1dfe92bd7318472651c9ad538d6d53b5 (diff) | |
download | linux-a6cb0a611273767683d50fb908173b6f88052ce5.tar.gz linux-a6cb0a611273767683d50fb908173b6f88052ce5.tar.bz2 linux-a6cb0a611273767683d50fb908173b6f88052ce5.zip |
ACPI: scan: Extract MIPI DisCo for Imaging data into swnodes
Add information extracted from the MIPI DisCo for Imaging device
properties to software nodes created during the CSI-2 connection graph
discovery.
Link: https://www.mipi.org/specifications/mipi-disco-imaging
Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/acpi/acpi_bus.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index a7fa24f1af46..c299fb974e49 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -366,10 +366,24 @@ struct acpi_device_data { struct acpi_gpio_mapping; +#define ACPI_DEVICE_SWNODE_ROOT 0 + +/* + * The maximum expected number of CSI-2 data lanes. + * + * This number is not expected to ever have to be equal to or greater than the + * number of bits in an unsigned long variable, but if it needs to be increased + * above that limit, code will need to be adjusted accordingly. + */ #define ACPI_DEVICE_CSI2_DATA_LANES 8 #define ACPI_DEVICE_SWNODE_PORT_NAME_LENGTH 8 +enum acpi_device_swnode_dev_props { + ACPI_DEVICE_SWNODE_DEV_NUM_OF, + ACPI_DEVICE_SWNODE_DEV_NUM_ENTRIES +}; + enum acpi_device_swnode_port_props { ACPI_DEVICE_SWNODE_PORT_REG, ACPI_DEVICE_SWNODE_PORT_NUM_OF, @@ -425,12 +439,14 @@ struct acpi_device_software_node_port { /** * struct acpi_device_software_nodes - Software nodes for an ACPI device + * @dev_props: Device properties. * @nodes: Software nodes for root as well as ports and endpoints. * @nodeprts: Array of software node pointers, for (un)registering them. * @ports: Information related to each port and endpoint within a port. * @num_ports: The number of ports. */ struct acpi_device_software_nodes { + struct property_entry dev_props[ACPI_DEVICE_SWNODE_DEV_NUM_ENTRIES]; struct software_node *nodes; const struct software_node **nodeptrs; struct acpi_device_software_node_port *ports; @@ -455,6 +471,7 @@ struct acpi_device { struct acpi_device_data data; struct acpi_scan_handler *handler; struct acpi_hotplug_context *hp; + struct acpi_device_software_nodes *swnodes; const struct acpi_gpio_mapping *driver_gpios; void *driver_data; struct device dev; |