drivers/media/pci/mgb4/mgb4_vout.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2021-2023 Digiteq Automotive
   4  *     author: Martin Tuma <martin.tuma@digiteqautomotive.com>
   5  */
   6
   7 #ifndef __MGB4_VOUT_H__
   8 #define __MGB4_VOUT_H__
   9
  10 #include <media/v4l2-device.h>
  11 #include <media/v4l2-dev.h>
  12 #include <media/v4l2-ctrls.h>
  13 #include <media/videobuf2-core.h>
  14 #include <linux/debugfs.h>
  15 #include "mgb4_i2c.h"
  16
  17 struct mgb4_vout_regs {
  18         u32 address;
  19         u32 config;
  20         u32 status;
  21         u32 resolution;
  22         u32 frame_limit;
  23         u32 hsync;
  24         u32 vsync;
  25         u32 padding;
  26         u32 timer;
  27 };
  28
  29 struct mgb4_vout_config {
  30         int id;
  31         int dma_channel;
  32         int irq;
  33         struct mgb4_vout_regs regs;
  34 };
  35
  36 struct mgb4_vout_dev {
  37         struct mgb4_dev *mgbdev;
  38         struct v4l2_device v4l2dev;
  39         struct video_device vdev;
  40         struct vb2_queue queue;
  41         struct mutex lock; /* vdev lock */
  42
  43         spinlock_t qlock; /* buffer queue lock */
  44         struct list_head buf_list;
  45         struct work_struct dma_work;
  46
  47         u32 width;
  48         u32 height;
  49         u32 freq;
  50         u32 padding;
  51
  52         struct mgb4_i2c_client ser;
  53
  54         const struct mgb4_vout_config *config;
  55
  56 #ifdef CONFIG_DEBUG_FS
  57         struct debugfs_regset32 regset;
  58         struct debugfs_reg32 regs[sizeof(struct mgb4_vout_regs) / 4];
  59 #endif
  60 };
  61
  62 struct mgb4_vout_dev *mgb4_vout_create(struct mgb4_dev *mgbdev, int id);
  63 void mgb4_vout_free(struct mgb4_vout_dev *voutdev);
  64
  65 #endif