diff options
| -rw-r--r-- | src/drivers/intel/mipi_camera/camera.c | 51 | ||||
| -rw-r--r-- | src/drivers/intel/mipi_camera/chip.h | 13 |
2 files changed, 64 insertions, 0 deletions
diff --git a/src/drivers/intel/mipi_camera/camera.c b/src/drivers/intel/mipi_camera/camera.c index 4356b0a602..b1075b85ed 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 @@ static void write_camera_device_common(const struct device *dev) 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) diff --git a/src/drivers/intel/mipi_camera/chip.h b/src/drivers/intel/mipi_camera/chip.h index c029570064..b04a10013e 100644 --- a/src/drivers/intel/mipi_camera/chip.h +++ b/src/drivers/intel/mipi_camera/chip.h @@ -95,6 +95,19 @@ struct drivers_intel_mipi_camera_config { const char *vcm_name; /* defaults to |vcm_address| device */ uint16_t rom_address; /* I2C to use if ssdb.rom_type != 0 */ uint16_t vcm_address; /* I2C to use if ssdb.vcm_type != 0 */ + /* + * Settings specific to nvram. Many values, if left as zero, will be assigned a default. + * Set disable_nvm_defaults to non-zero if you want to disable the defaulting behavior + * so you can use zero for a value. + */ + bool disable_nvm_defaults; + uint32_t nvm_size; + uint32_t nvm_pagesize; + uint32_t nvm_readonly; + uint32_t nvm_width; + + /* Settings specific to vcm */ + const char *vcm_compat; }; #endif |