/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (C) 2013--2024 Intel Corporation */ #ifndef IPU6_FW_COM_H #define IPU6_FW_COM_H struct ipu6_fw_com_context; struct ipu6_bus_device; struct ipu6_fw_syscom_queue_config { unsigned int queue_size; /* tokens per queue */ unsigned int token_size; /* bytes per token */ }; #define SYSCOM_BUTTRESS_FW_PARAMS_ISYS_OFFSET 0 struct ipu6_fw_com_cfg { unsigned int num_input_queues; unsigned int num_output_queues; struct ipu6_fw_syscom_queue_config *input; struct ipu6_fw_syscom_queue_config *output; unsigned int dmem_addr; /* firmware-specific configuration data */ void *specific_addr; unsigned int specific_size; int (*cell_ready)(struct ipu6_bus_device *adev); void (*cell_start)(struct ipu6_bus_device *adev); unsigned int buttress_boot_offset; }; void *ipu6_fw_com_prepare(struct ipu6_fw_com_cfg *cfg, struct ipu6_bus_device *adev, void __iomem *base); int ipu6_fw_com_open(struct ipu6_fw_com_context *ctx); bool ipu6_fw_com_ready(struct ipu6_fw_com_context *ctx); int ipu6_fw_com_close(struct ipu6_fw_com_context *ctx); int ipu6_fw_com_release(struct ipu6_fw_com_context *ctx, unsigned int force); void *ipu6_recv_get_token(struct ipu6_fw_com_context *ctx, int q_nbr); void ipu6_recv_put_token(struct ipu6_fw_com_context *ctx, int q_nbr); void *ipu6_send_get_token(struct ipu6_fw_com_context *ctx, int q_nbr); void ipu6_send_put_token(struct ipu6_fw_com_context *ctx, int q_nbr); #endif