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