drivers/media/pci/intel/ipu6/ipu6-bus.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (C) 2013 - 2024 Intel Corporation */
   3
   4 #ifndef IPU6_BUS_H
   5 #define IPU6_BUS_H
   6
   7 #include <linux/auxiliary_bus.h>
   8 #include <linux/container_of.h>
   9 #include <linux/device.h>
  10 #include <linux/irqreturn.h>
  11 #include <linux/list.h>
  12 #include <linux/scatterlist.h>
  13 #include <linux/types.h>
  14
  15 struct firmware;
  16 struct pci_dev;
  17
  18 #define IPU6_BUS_NAME   IPU6_NAME "-bus"
  19
  20 struct ipu6_buttress_ctrl;
  21
  22 struct ipu6_bus_device {
  23         struct auxiliary_device auxdev;
  24         const struct auxiliary_driver *auxdrv;
  25         const struct ipu6_auxdrv_data *auxdrv_data;
  26         struct list_head list;
  27         void *pdata;
  28         struct ipu6_mmu *mmu;
  29         struct ipu6_device *isp;
  30         struct ipu6_buttress_ctrl *ctrl;
  31         u64 dma_mask;
  32         const struct firmware *fw;
  33         struct sg_table fw_sgt;
  34         u64 *pkg_dir;
  35         dma_addr_t pkg_dir_dma_addr;
  36         unsigned int pkg_dir_size;
  37 };
  38
  39 struct ipu6_auxdrv_data {
  40         irqreturn_t (*isr)(struct ipu6_bus_device *adev);
  41         irqreturn_t (*isr_threaded)(struct ipu6_bus_device *adev);
  42         bool wake_isr_thread;
  43 };
  44
  45 #define to_ipu6_bus_device(_dev) \
  46         container_of(to_auxiliary_dev(_dev), struct ipu6_bus_device, auxdev)
  47 #define auxdev_to_adev(_auxdev) \
  48         container_of(_auxdev, struct ipu6_bus_device, auxdev)
  49 #define ipu6_bus_get_drvdata(adev) dev_get_drvdata(&(adev)->auxdev.dev)
  50
  51 struct ipu6_bus_device *
  52 ipu6_bus_initialize_device(struct pci_dev *pdev, struct device *parent,
  53                            void *pdata, struct ipu6_buttress_ctrl *ctrl,
  54                            char *name);
  55 int ipu6_bus_add_device(struct ipu6_bus_device *adev);
  56 void ipu6_bus_del_devices(struct pci_dev *pdev);
  57
  58 #endif