drivers/media/pci/intel/ipu6/ipu6-fw-com.h

   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