diff options
Diffstat (limited to 'gxp-firmware-data.h')
| -rw-r--r-- | gxp-firmware-data.h | 68 |
1 files changed, 45 insertions, 23 deletions
diff --git a/gxp-firmware-data.h b/gxp-firmware-data.h index e2296bd..89bf9e4 100644 --- a/gxp-firmware-data.h +++ b/gxp-firmware-data.h @@ -9,10 +9,14 @@ #ifndef __GXP_FIRMWARE_DATA_H__ #define __GXP_FIRMWARE_DATA_H__ +#include <linux/sizes.h> + #include "gxp-dma.h" #include "gxp-internal.h" #include "gxp-vd.h" +#define GXP_FW_DATA_SYSCFG_SIZE SZ_8K + enum gxp_fw_data_protocol { /* Use the per-VD configuration region. */ FW_DATA_PROTOCOL_PER_VD_CONFIG = 2, @@ -31,35 +35,20 @@ enum gxp_fw_data_protocol { int gxp_fw_data_init(struct gxp_dev *gxp); /** - * gxp_fw_data_create_app() - Allocates HW and memory resources needed to create - * a GXP device application (1:1 with a GXP driver - * virtual device) used by the specified physical - * cores. - * @gxp: The parent GXP device - * @vd: The virtual device this app is being created for - * - * Return: - * ptr - A pointer of the newly created application handle, an error pointer - * (PTR_ERR) otherwise. - * -ENOMEM - Insufficient memory to create the application - */ -void *gxp_fw_data_create_app(struct gxp_dev *gxp, - struct gxp_virtual_device *vd); - -/** - * gxp_fw_data_destroy_app() - Deallocates the HW and memory resources used by - * the specified application. + * gxp_fw_data_destroy() - Destroys the FW data manager submodule and free all + * its resources. * @gxp: The parent GXP device - * @application: The handle to the application to deallocate */ -void gxp_fw_data_destroy_app(struct gxp_dev *gxp, void *application); +void gxp_fw_data_destroy(struct gxp_dev *gxp); /** - * gxp_fw_data_destroy() - Destroys the FW data manager submodule and free all - * its resources. + * gxp_fw_data_populate_vd_cfg() - Sets up the resources to VD's per-core config + * regions and per-VD config regions. * @gxp: The parent GXP device + * @vd: The virtual device to be populated for */ -void gxp_fw_data_destroy(struct gxp_dev *gxp); +void gxp_fw_data_populate_vd_cfg(struct gxp_dev *gxp, + struct gxp_virtual_device *vd); /** * gxp_fw_data_set_core_telemetry_descriptors() - Set new logging or tracing @@ -106,4 +95,37 @@ static inline bool gxp_fw_data_use_per_vd_config(struct gxp_virtual_device *vd) return vd->config_version >= FW_DATA_PROTOCOL_PER_VD_CONFIG; } +/** + * gxp_fw_data_resource() - Returns the resource of data region for host<->core + * communication. + * @gxp: The GXP device + * + * This function requires either @gxp->fwdatabuf or @gxp->shared_buf be + * initialized, so it couldn't be called during device probe time. + * + * Return: The resource. + */ +struct gxp_mapped_resource gxp_fw_data_resource(struct gxp_dev *gxp); + +/** + * gxp_fw_data_system_cfg() - Returns the pointer to the system config region. + * @gxp: The GXP device + * + * This function requires either @gxp->fwdatabuf or @gxp->shared_buf be + * initialized, so it couldn't be called during device probe time. + * + * Return: The pointer. This function never fails. + */ +void *gxp_fw_data_system_cfg(struct gxp_dev *gxp); + +/** + * gxp_fw_data_populate_system_config() - Populate settings onto firmware system + * config region. + * @gxp: The GXP device + * + * This function is expected to be called after "after_probe" in the probe + * procedure since it uses gxp_fw_data_system_cfg(). + */ +void gxp_fw_data_populate_system_config(struct gxp_dev *gxp); + #endif /* __GXP_FIRMWARE_DATA_H__ */ |