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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) 2013--2024 Intel Corporation */3 4#ifndef IPU6_FW_COM_H5#define IPU6_FW_COM_H6 7struct ipu6_fw_com_context;8struct ipu6_bus_device;9 10struct ipu6_fw_syscom_queue_config {11 unsigned int queue_size; /* tokens per queue */12 unsigned int token_size; /* bytes per token */13};14 15#define SYSCOM_BUTTRESS_FW_PARAMS_ISYS_OFFSET 016 17struct ipu6_fw_com_cfg {18 unsigned int num_input_queues;19 unsigned int num_output_queues;20 struct ipu6_fw_syscom_queue_config *input;21 struct ipu6_fw_syscom_queue_config *output;22 23 unsigned int dmem_addr;24 25 /* firmware-specific configuration data */26 void *specific_addr;27 unsigned int specific_size;28 int (*cell_ready)(struct ipu6_bus_device *adev);29 void (*cell_start)(struct ipu6_bus_device *adev);30 31 unsigned int buttress_boot_offset;32};33 34void *ipu6_fw_com_prepare(struct ipu6_fw_com_cfg *cfg,35 struct ipu6_bus_device *adev, void __iomem *base);36 37int ipu6_fw_com_open(struct ipu6_fw_com_context *ctx);38bool ipu6_fw_com_ready(struct ipu6_fw_com_context *ctx);39int ipu6_fw_com_close(struct ipu6_fw_com_context *ctx);40int ipu6_fw_com_release(struct ipu6_fw_com_context *ctx, unsigned int force);41 42void *ipu6_recv_get_token(struct ipu6_fw_com_context *ctx, int q_nbr);43void ipu6_recv_put_token(struct ipu6_fw_com_context *ctx, int q_nbr);44void *ipu6_send_get_token(struct ipu6_fw_com_context *ctx, int q_nbr);45void ipu6_send_put_token(struct ipu6_fw_com_context *ctx, int q_nbr);46 47#endif48