1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing)
5 * Author: Yong Deng <yong.deng@magewell.com>
8 #ifndef __SUN6I_CSI_H__
9 #define __SUN6I_CSI_H__
11 #include <media/v4l2-ctrls.h>
12 #include <media/v4l2-device.h>
13 #include <media/v4l2-fwnode.h>
15 #include "sun6i_video.h"
20 * struct sun6i_csi_config - configs for sun6i csi
21 * @pixelformat: v4l2 pixel format (V4L2_PIX_FMT_*)
22 * @code: media bus format code (MEDIA_BUS_FMT_*)
23 * @field: used interlacing type (enum v4l2_field)
25 * @height: frame height
27 struct sun6i_csi_config {
37 struct v4l2_ctrl_handler ctrl_handler;
38 struct v4l2_device v4l2_dev;
39 struct media_device media_dev;
41 struct v4l2_async_notifier notifier;
43 /* video port settings */
44 struct v4l2_fwnode_endpoint v4l2_ep;
46 struct sun6i_csi_config config;
48 struct sun6i_video video;
52 * sun6i_csi_is_format_supported() - check if the format supported by csi
53 * @csi: pointer to the csi
54 * @pixformat: v4l2 pixel format (V4L2_PIX_FMT_*)
55 * @mbus_code: media bus format code (MEDIA_BUS_FMT_*)
57 bool sun6i_csi_is_format_supported(struct sun6i_csi *csi, u32 pixformat,
61 * sun6i_csi_set_power() - power on/off the csi
62 * @csi: pointer to the csi
65 int sun6i_csi_set_power(struct sun6i_csi *csi, bool enable);
68 * sun6i_csi_update_config() - update the csi register settings
69 * @csi: pointer to the csi
70 * @config: see struct sun6i_csi_config
72 int sun6i_csi_update_config(struct sun6i_csi *csi,
73 struct sun6i_csi_config *config);
76 * sun6i_csi_update_buf_addr() - update the csi frame buffer address
77 * @csi: pointer to the csi
78 * @addr: frame buffer's physical address
80 void sun6i_csi_update_buf_addr(struct sun6i_csi *csi, dma_addr_t addr);
83 * sun6i_csi_set_stream() - start/stop csi streaming
84 * @csi: pointer to the csi
87 void sun6i_csi_set_stream(struct sun6i_csi *csi, bool enable);
89 /* get bpp form v4l2 pixformat */
90 static inline int sun6i_csi_get_bpp(unsigned int pixformat)
93 case V4L2_PIX_FMT_SBGGR8:
94 case V4L2_PIX_FMT_SGBRG8:
95 case V4L2_PIX_FMT_SGRBG8:
96 case V4L2_PIX_FMT_SRGGB8:
97 case V4L2_PIX_FMT_JPEG:
99 case V4L2_PIX_FMT_SBGGR10:
100 case V4L2_PIX_FMT_SGBRG10:
101 case V4L2_PIX_FMT_SGRBG10:
102 case V4L2_PIX_FMT_SRGGB10:
104 case V4L2_PIX_FMT_SBGGR12:
105 case V4L2_PIX_FMT_SGBRG12:
106 case V4L2_PIX_FMT_SGRBG12:
107 case V4L2_PIX_FMT_SRGGB12:
108 case V4L2_PIX_FMT_HM12:
109 case V4L2_PIX_FMT_NV12:
110 case V4L2_PIX_FMT_NV21:
111 case V4L2_PIX_FMT_YUV420:
112 case V4L2_PIX_FMT_YVU420:
114 case V4L2_PIX_FMT_YUYV:
115 case V4L2_PIX_FMT_YVYU:
116 case V4L2_PIX_FMT_UYVY:
117 case V4L2_PIX_FMT_VYUY:
118 case V4L2_PIX_FMT_NV16:
119 case V4L2_PIX_FMT_NV61:
120 case V4L2_PIX_FMT_YUV422P:
121 case V4L2_PIX_FMT_RGB565:
122 case V4L2_PIX_FMT_RGB565X:
124 case V4L2_PIX_FMT_RGB24:
125 case V4L2_PIX_FMT_BGR24:
127 case V4L2_PIX_FMT_RGB32:
128 case V4L2_PIX_FMT_BGR32:
131 WARN(1, "Unsupported pixformat: 0x%x\n", pixformat);
138 #endif /* __SUN6I_CSI_H__ */