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 7 struct ipu6_fw_com_context; 8 struct ipu6_bus_device; 9 10 struct 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 17 struct 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 34 void *ipu6_fw_com_prepare(struct ipu6_fw_com_cfg *cfg, 35 struct ipu6_bus_device *adev, void __iomem *base); 36 37 int ipu6_fw_com_open(struct ipu6_fw_com_context *ctx); 38 bool ipu6_fw_com_ready(struct ipu6_fw_com_context *ctx); 39 int ipu6_fw_com_close(struct ipu6_fw_com_context *ctx); 40 int ipu6_fw_com_release(struct ipu6_fw_com_context *ctx, unsigned int force); 41 42 void *ipu6_recv_get_token(struct ipu6_fw_com_context *ctx, int q_nbr); 43 void ipu6_recv_put_token(struct ipu6_fw_com_context *ctx, int q_nbr); 44 void *ipu6_send_get_token(struct ipu6_fw_com_context *ctx, int q_nbr); 45 void ipu6_send_put_token(struct ipu6_fw_com_context *ctx, int q_nbr); 46 47 #endif 48