ipu7-bus.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2013 - 2025 Intel Corporation
 4 */
 5
 6#ifndef IPU7_BUS_H
 7#define IPU7_BUS_H
 8
 9#include <linux/auxiliary_bus.h>
10#include <linux/container_of.h>
11#include <linux/device.h>
12#include <linux/irqreturn.h>
13#include <linux/list.h>
14#include <linux/scatterlist.h>
15#include <linux/types.h>
16
17#include "abi/ipu7_fw_boot_abi.h"
18
19#include "ipu7-syscom.h"
20
21struct pci_dev;
22struct ipu_buttress_ctrl;
23struct ipu7_mmu;
24struct ipu7_device;
25
26enum ipu7_subsys {
27	IPU_IS = 0,
28	IPU_PS = 1,
29	IPU_SUBSYS_NUM = 2,
30};
31
32struct ipu7_bus_device {
33	struct auxiliary_device auxdev;
34	const struct auxiliary_driver *auxdrv;
35	const struct ipu7_auxdrv_data *auxdrv_data;
36	struct list_head list;
37	enum ipu7_subsys subsys;
38	void *pdata;
39	struct ipu7_mmu *mmu;
40	struct ipu7_device *isp;
41	const struct ipu_buttress_ctrl *ctrl;
42	u64 dma_mask;
43	struct sg_table fw_sgt;
44	u32 fw_entry;
45	struct ipu7_syscom_context *syscom;
46	struct ia_gofo_boot_config *boot_config;
47	dma_addr_t boot_config_dma_addr;
48	u32 boot_config_size;
49};
50
51struct ipu7_auxdrv_data {
52	irqreturn_t (*isr)(struct ipu7_bus_device *adev);
53	irqreturn_t (*isr_threaded)(struct ipu7_bus_device *adev);
54	bool wake_isr_thread;
55};
56
57#define to_ipu7_bus_device(_dev)					\
58	container_of(to_auxiliary_dev(_dev), struct ipu7_bus_device, auxdev)
59#define auxdev_to_adev(_auxdev)					\
60	container_of(_auxdev, struct ipu7_bus_device, auxdev)
61#define ipu7_bus_get_drvdata(adev) dev_get_drvdata(&(adev)->auxdev.dev)
62
63struct ipu7_bus_device *
64ipu7_bus_initialize_device(struct pci_dev *pdev, struct device *parent,
65			   void *pdata, const struct ipu_buttress_ctrl *ctrl,
66			   const char *name);
67int ipu7_bus_add_device(struct ipu7_bus_device *adev);
68void ipu7_bus_del_devices(struct pci_dev *pdev);
69#endif