1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2008-2009 Texas Instruments Inc
4 *
5 * ccdc device API
6 */
7 #ifndef _CCDC_HW_DEVICE_H
8 #define _CCDC_HW_DEVICE_H
9
10 #ifdef __KERNEL__
11 #include <linux/videodev2.h>
12 #include <linux/device.h>
13 #include <media/davinci/vpfe_types.h>
14 #include <media/davinci/ccdc_types.h>
15
16 /*
17 * ccdc hw operations
18 */
19 struct ccdc_hw_ops {
20 /* Pointer to initialize function to initialize ccdc device */
21 int (*open) (struct device *dev);
22 /* Pointer to deinitialize function */
23 int (*close) (struct device *dev);
24 /* set ccdc base address */
25 void (*set_ccdc_base)(void *base, int size);
26 /* Pointer to function to enable or disable ccdc */
27 void (*enable) (int en);
28 /* reset sbl. only for 6446 */
29 void (*reset) (void);
30 /* enable output to sdram */
31 void (*enable_out_to_sdram) (int en);
32 /* Pointer to function to set hw parameters */
33 int (*set_hw_if_params) (struct vpfe_hw_if_param *param);
34 /* get interface parameters */
35 int (*get_hw_if_params) (struct vpfe_hw_if_param *param);
36 /* Pointer to function to configure ccdc */
37 int (*configure) (void);
38
39 /* Pointer to function to set buffer type */
40 int (*set_buftype) (enum ccdc_buftype buf_type);
41 /* Pointer to function to get buffer type */
42 enum ccdc_buftype (*get_buftype) (void);
43 /* Pointer to function to set frame format */
44 int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);
45 /* Pointer to function to get frame format */
46 enum ccdc_frmfmt (*get_frame_format) (void);
47 /* enumerate hw pix formats */
48 int (*enum_pix)(u32 *hw_pix, int i);
49 /* Pointer to function to set buffer type */
50 u32 (*get_pixel_format) (void);
51 /* Pointer to function to get pixel format. */
52 int (*set_pixel_format) (u32 pixfmt);
53 /* Pointer to function to set image window */
54 int (*set_image_window) (struct v4l2_rect *win);
55 /* Pointer to function to set image window */
56 void (*get_image_window) (struct v4l2_rect *win);
57 /* Pointer to function to get line length */
58 unsigned int (*get_line_length) (void);
59
60 /* Pointer to function to set frame buffer address */
61 void (*setfbaddr) (unsigned long addr);
62 /* Pointer to function to get field id */
63 int (*getfid) (void);
64 };
65
66 struct ccdc_hw_device {
67 /* ccdc device name */
68 char name[32];
69 /* module owner */
70 struct module *owner;
71 /* hw ops */
72 struct ccdc_hw_ops hw_ops;
73 };
74
75 /* Used by CCDC module to register & unregister with vpfe capture driver */
76 int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev);
77 void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev);
78
79 #endif
80 #endif