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fthd_drv.h
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fthd_drv.h
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/*
* SPDX-License-Identifier: GPL-2.0-only
*
* FacetimeHD camera driver
*
* Copyright (C) 2014 Patrik Jakobsson ([email protected])
*
*/
#ifndef _FTHD_DRV_H
#define _FTHD_DRV_H
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/version.h>
#include <media/videobuf2-dma-sg.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include "fthd_reg.h"
#include "fthd_ringbuf.h"
#include "fthd_buffer.h"
#include "fthd_v4l2.h"
#define FTHD_PCI_S2_IO 0
#define FTHD_PCI_S2_MEM 2
#define FTHD_PCI_ISP_IO 4
#define FTHD_BUFFERS 4
enum FW_CHAN_TYPE {
FW_CHAN_TYPE_OUT=0,
FW_CHAN_TYPE_IN=1,
FW_CHAN_TYPE_UNI_IN=2,
};
struct fw_channel {
u32 offset;
u32 size;
u32 source;
u32 type;
struct fthd_ringbuf ringbuf;
spinlock_t lock;
/* waitqueue for signaling completion */
wait_queue_head_t wq;
char *name;
};
struct fthd_private {
struct pci_dev *pdev;
unsigned int dma_mask;
struct v4l2_device v4l2_dev;
struct video_device *videodev;
struct mutex ioctl_lock;
int users;
/* lock for synchronizing with irq/workqueue */
spinlock_t io_lock;
/* Mapped PCI resources */
void __iomem *s2_io;
u32 s2_io_len;
void __iomem *s2_mem;
u32 s2_mem_len;
void __iomem *isp_io;
u32 isp_io_len;
struct work_struct irq_work;
/* Hardware info */
u32 core_clk;
u32 ddr_model;
u32 ddr_speed;
u32 vdl_step_size;
u32 ddr_phy_regs[DDR_PHY_NUM_REG];
/* Root resource for memory management */
struct resource *mem;
/* Resource for managing IO mmu slots */
struct resource *iommu;
/* ISP memory objects */
struct isp_mem_obj *firmware;
struct isp_mem_obj *set_file;
struct isp_mem_obj *ipc_queue;
struct isp_mem_obj *heap;
/* Firmware channels */
int num_channels;
struct fw_channel **channels;
struct fw_channel *channel_terminal;
struct fw_channel *channel_io;
struct fw_channel *channel_debug;
struct fw_channel *channel_buf_h2t;
struct fw_channel *channel_buf_t2h;
struct fw_channel *channel_shared_malloc;
struct fw_channel *channel_io_t2h;
/* camera config */
int sensor_count;
int sensor_id0;
int sensor_id1;
struct fthd_fmt fmt;
struct vb2_queue vb2_queue;
struct mutex vb2_queue_lock;
struct list_head buffer_queue;
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,8,0)
struct vb2_alloc_ctx *alloc_ctx;
#endif
struct h2t_buf_ctx h2t_bufs[FTHD_BUFFERS];
struct v4l2_ctrl_handler v4l2_ctrl_handler;
int frametime;
struct dentry *debugfs;
};
#endif