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_VIN_H__ 8 #define __MGB4_VIN_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_vin_regs { 18 u32 address; 19 u32 config; 20 u32 status; 21 u32 resolution; 22 u32 frame_period; 23 u32 sync; 24 u32 pclk; 25 u32 signal; 26 u32 signal2; 27 u32 padding; 28 u32 timer; 29 }; 30 31 struct mgb4_vin_config { 32 int id; 33 int dma_channel; 34 int vin_irq; 35 int err_irq; 36 struct mgb4_vin_regs regs; 37 }; 38 39 struct mgb4_vin_dev { 40 struct mgb4_dev *mgbdev; 41 struct v4l2_device v4l2dev; 42 struct video_device vdev; 43 struct vb2_queue queue; 44 struct mutex lock; /* vdev lock */ 45 46 spinlock_t qlock; /* video buffer queue lock */ 47 struct list_head buf_list; 48 struct work_struct dma_work, err_work; 49 50 unsigned int sequence; 51 52 struct v4l2_dv_timings timings; 53 u32 freq_range; 54 u32 padding; 55 56 struct mgb4_i2c_client deser; 57 58 const struct mgb4_vin_config *config; 59 60 #ifdef CONFIG_DEBUG_FS 61 struct debugfs_regset32 regset; 62 struct debugfs_reg32 regs[sizeof(struct mgb4_vin_regs) / 4]; 63 #endif 64 }; 65 66 struct mgb4_vin_dev *mgb4_vin_create(struct mgb4_dev *mgbdev, int id); 67 void mgb4_vin_free(struct mgb4_vin_dev *vindev); 68 69 #endif 70