1 /*
2 * Rockchip isp1 driver
3 *
4 * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #ifndef _RKISP1_H
36 #define _RKISP1_H
37
38 #include <linux/kfifo.h>
39 #include <linux/platform_device.h>
40 #include <linux/interrupt.h>
41 #include <media/v4l2-fwnode.h>
42 #include "common.h"
43
44 #define CIF_ISP_INPUT_W_MAX 4416
45 #define CIF_ISP_INPUT_H_MAX 3312
46 #define CIF_ISP_INPUT_W_MAX_V12 3264
47 #define CIF_ISP_INPUT_H_MAX_V12 2448
48 #define CIF_ISP_INPUT_W_MAX_V13 1920
49 #define CIF_ISP_INPUT_H_MAX_V13 1080
50 #define CIF_ISP_INPUT_W_MIN 32
51 #define CIF_ISP_INPUT_H_MIN 16
52 #define CIF_ISP_OUTPUT_W_MAX CIF_ISP_INPUT_W_MAX
53 #define CIF_ISP_OUTPUT_H_MAX CIF_ISP_INPUT_H_MAX
54 #define CIF_ISP_OUTPUT_W_MIN CIF_ISP_INPUT_W_MIN
55 #define CIF_ISP_OUTPUT_H_MIN CIF_ISP_INPUT_H_MIN
56 #define CIF_ISP_ADD_DATA_VC_MAX 3
57
58 struct rkisp1_stream;
59
60 /*
61 * struct ispsd_in_fmt - ISP intput-pad format
62 *
63 * Translate mbus_code to hardware format values
64 *
65 * @bus_width: used for parallel
66 */
67 struct ispsd_in_fmt {
68 u32 mbus_code;
69 u8 fmt_type;
70 u32 mipi_dt;
71 u32 yuv_seq;
72 enum rkisp1_fmt_raw_pat_type bayer_pat;
73 u8 bus_width;
74 };
75
76 struct ispsd_out_fmt {
77 u32 mbus_code;
78 u8 fmt_type;
79 };
80
81 struct rkisp1_ie_config {
82 unsigned int effect;
83 };
84
85 enum rkisp1_isp_pad {
86 RKISP1_ISP_PAD_SINK,
87 RKISP1_ISP_PAD_SINK_PARAMS,
88 RKISP1_ISP_PAD_SOURCE_PATH,
89 RKISP1_ISP_PAD_SOURCE_STATS,
90 RKISP1_ISP_PAD_MAX
91 };
92
93 /*
94 * struct rkisp1_isp_subdev - ISP sub-device
95 *
96 * See Cropping regions of ISP in rkisp1.c for details
97 * @in_frm: input size, don't have to be equal to sensor size
98 * @in_fmt: intput format
99 * @in_crop: crop for sink pad
100 * @out_fmt: output format
101 * @out_crop: output size
102 *
103 * @dphy_errctrl_disabled: if dphy errctrl is disabled(avoid endless interrupt)
104 * @frm_sync_seq: frame sequence, to sync frame_id between video devices.
105 * @quantization: output quantization
106 */
107 struct rkisp1_isp_subdev {
108 struct v4l2_subdev sd;
109 struct media_pad pads[RKISP1_ISP_PAD_MAX];
110 struct v4l2_ctrl_handler ctrl_handler;
111 struct v4l2_mbus_framefmt in_frm;
112 struct ispsd_in_fmt in_fmt;
113 struct v4l2_rect in_crop;
114 struct ispsd_out_fmt out_fmt;
115 struct v4l2_rect out_crop;
116 bool dphy_errctrl_disabled;
117 atomic_t frm_sync_seq;
118 enum v4l2_quantization quantization;
119 };
120
121 struct rkisp1_emd_data {
122 struct kfifo mipi_kfifo;
123 unsigned int data_len;
124 unsigned int frame_id;
125 };
126
127 int rkisp1_register_isp_subdev(struct rkisp1_device *isp_dev,
128 struct v4l2_device *v4l2_dev);
129
130 void rkisp1_unregister_isp_subdev(struct rkisp1_device *isp_dev);
131
132 void rkisp1_mipi_isr(unsigned int mipi_mis, struct rkisp1_device *dev);
133
134 void rkisp1_mipi_v13_isr(unsigned int err1, unsigned int err2,
135 unsigned int err3, struct rkisp1_device *dev);
136
137 void rkisp1_isp_isr(unsigned int isp_mis, struct rkisp1_device *dev);
138
139 irqreturn_t rkisp1_vs_isr_handler(int irq, void *ctx);
140
141 int rkisp1_update_sensor_info(struct rkisp1_device *dev);
142
143 u32 rkisp1_mbus_pixelcode_to_v4l2(u32 pixelcode);
144
145 static inline
rkisp1_get_ispsd_out_fmt(struct rkisp1_isp_subdev * isp_sdev)146 struct ispsd_out_fmt *rkisp1_get_ispsd_out_fmt(struct rkisp1_isp_subdev *isp_sdev)
147 {
148 return &isp_sdev->out_fmt;
149 }
150
151 static inline
rkisp1_get_ispsd_in_fmt(struct rkisp1_isp_subdev * isp_sdev)152 struct ispsd_in_fmt *rkisp1_get_ispsd_in_fmt(struct rkisp1_isp_subdev *isp_sdev)
153 {
154 return &isp_sdev->in_fmt;
155 }
156
157 static inline
rkisp1_get_isp_sd_win(struct rkisp1_isp_subdev * isp_sdev)158 struct v4l2_rect *rkisp1_get_isp_sd_win(struct rkisp1_isp_subdev *isp_sdev)
159 {
160 return &isp_sdev->out_crop;
161 }
162
163 #endif /* _RKISP1_H */
164