1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* Copyright (C) 2013--2024 Intel Corporation */ 3 4#ifndef IPU6_FW_COM_H 5#define IPU6_FW_COM_H 6 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 0 16 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#endif 48