drivers/intel/mipi_camera: Handle NVM and VCM device type
This change adds support in mipi_camera driver to handle NVM and VCM
device types.
Change-Id: I24cb7f010d89bc8d14e0b4c8fe693ba6e9c68941
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42466
Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/drivers/intel/mipi_camera/camera.c b/src/drivers/intel/mipi_camera/camera.c
index 4356b0a..b1075b8 100644
--- a/src/drivers/intel/mipi_camera/camera.c
+++ b/src/drivers/intel/mipi_camera/camera.c
@@ -10,6 +10,46 @@
#include <device/pci_def.h>
#include "chip.h"
+static void camera_fill_nvm(const struct device *dev)
+{
+ struct drivers_intel_mipi_camera_config *config = dev->chip_info;
+ struct acpi_dp *dsd = acpi_dp_new_table("_DSD");
+
+ /* It might be possible to default size or width based on type. */
+ if (!config->disable_nvm_defaults && !config->nvm_pagesize)
+ config->nvm_pagesize = 1;
+
+ if (!config->disable_nvm_defaults && !config->nvm_readonly)
+ config->nvm_readonly = 1;
+
+ if (config->nvm_size)
+ acpi_dp_add_integer(dsd, "size", config->nvm_size);
+
+ if (config->nvm_pagesize)
+ acpi_dp_add_integer(dsd, "pagesize", config->nvm_pagesize);
+
+ if (config->nvm_readonly)
+ acpi_dp_add_integer(dsd, "read-only", config->nvm_readonly);
+
+ if (config->nvm_width)
+ acpi_dp_add_integer(dsd, "address-width", config->nvm_width);
+
+ acpi_dp_write(dsd);
+}
+
+static void camera_fill_vcm(const struct device *dev)
+{
+ struct drivers_intel_mipi_camera_config *config = dev->chip_info;
+ struct acpi_dp *dsd;
+
+ if (!config->vcm_compat)
+ return;
+
+ dsd = acpi_dp_new_table("_DSD");
+ acpi_dp_add_string(dsd, "compatible", config->vcm_compat);
+ acpi_dp_write(dsd);
+}
+
static void write_pci_camera_device(const struct device *dev)
{
struct drivers_intel_mipi_camera_config *config = dev->chip_info;
@@ -93,6 +133,17 @@
config->device_type == INTEL_ACPI_CAMERA_VCM) {
acpigen_write_name_integer("CAMD", config->device_type);
}
+
+ switch (config->device_type) {
+ case INTEL_ACPI_CAMERA_VCM:
+ camera_fill_vcm(dev);
+ break;
+ case INTEL_ACPI_CAMERA_NVM:
+ camera_fill_nvm(dev);
+ break;
+ default:
+ break;
+ }
}
static void camera_fill_ssdt(const struct device *dev)