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 _RKISP_COMMON_H
36 #define _RKISP_COMMON_H
37
38 #include <linux/clk.h>
39 #include <linux/mutex.h>
40 #include <linux/media.h>
41 #include <linux/rk-video-format.h>
42 #include <media/media-device.h>
43 #include <media/media-entity.h>
44 #include <media/v4l2-ctrls.h>
45 #include <media/v4l2-device.h>
46 #include <media/videobuf2-dma-contig.h>
47 #include <media/videobuf2-v4l2.h>
48 #include <media/v4l2-mc.h>
49
50 #define RKISP_DEFAULT_WIDTH 800
51 #define RKISP_DEFAULT_HEIGHT 600
52
53 #define RKISP_PLANE_Y 0
54 #define RKISP_PLANE_CB 1
55 #define RKISP_PLANE_CR 2
56
57 #define RKISP_EMDDATA_FIFO_MAX 4
58 #define RKISP_DMATX_CHECK 0xA5A5A5A5
59
60 #define RKISP_MOTION_DECT_TS_SIZE 16
61
62 struct rkisp_device;
63
64 /* ISP_V10_1 for only support MP */
65 enum rkisp_isp_ver {
66 ISP_V10 = 0x00,
67 ISP_V10_1 = 0x01,
68 ISP_V11 = 0x10,
69 ISP_V12 = 0x20,
70 ISP_V13 = 0x30,
71 ISP_V20 = 0x40,
72 ISP_V21 = 0x50,
73 ISP_V30 = 0x60,
74 };
75
76 enum rkisp_sd_type {
77 RKISP_SD_SENSOR,
78 RKISP_SD_PHY_CSI,
79 RKISP_SD_VCM,
80 RKISP_SD_FLASH,
81 RKISP_SD_MAX,
82 };
83
84 /* One structure per video node */
85 struct rkisp_vdev_node {
86 struct vb2_queue buf_queue;
87 struct video_device vdev;
88 struct media_pad pad;
89 };
90
91 enum rkisp_fmt_pix_type {
92 FMT_YUV,
93 FMT_RGB,
94 FMT_BAYER,
95 FMT_JPEG,
96 FMT_FBCGAIN,
97 FMT_EBD,
98 FMT_SPD,
99 FMT_FBC,
100 FMT_MAX
101 };
102
103 enum rkisp_fmt_raw_pat_type {
104 RAW_RGGB = 0,
105 RAW_GRBG,
106 RAW_GBRG,
107 RAW_BGGR,
108 };
109
110 struct rkisp_buffer {
111 struct vb2_v4l2_buffer vb;
112 struct list_head queue;
113 int dev_id;
114 union {
115 u32 buff_addr[VIDEO_MAX_PLANES];
116 void *vaddr[VIDEO_MAX_PLANES];
117 };
118 };
119
120 struct rkisp_dummy_buffer {
121 struct list_head queue;
122 struct dma_buf *dbuf;
123 dma_addr_t dma_addr;
124 struct page **pages;
125 void *mem_priv;
126 void *vaddr;
127 u32 size;
128 int dma_fd;
129 bool is_need_vaddr;
130 bool is_need_dbuf;
131 bool is_need_dmafd;
132 };
133
134 extern int rkisp_debug;
135 extern bool rkisp_monitor;
136 extern u64 rkisp_debug_reg;
137 extern struct platform_driver rkisp_plat_drv;
138
139 static inline
vdev_to_node(struct video_device * vdev)140 struct rkisp_vdev_node *vdev_to_node(struct video_device *vdev)
141 {
142 return container_of(vdev, struct rkisp_vdev_node, vdev);
143 }
144
queue_to_node(struct vb2_queue * q)145 static inline struct rkisp_vdev_node *queue_to_node(struct vb2_queue *q)
146 {
147 return container_of(q, struct rkisp_vdev_node, buf_queue);
148 }
149
to_rkisp_buffer(struct vb2_v4l2_buffer * vb)150 static inline struct rkisp_buffer *to_rkisp_buffer(struct vb2_v4l2_buffer *vb)
151 {
152 return container_of(vb, struct rkisp_buffer, vb);
153 }
154
to_vb2_queue(struct file * file)155 static inline struct vb2_queue *to_vb2_queue(struct file *file)
156 {
157 struct rkisp_vdev_node *vnode = video_drvdata(file);
158
159 return &vnode->buf_queue;
160 }
161
162 void rkisp_write(struct rkisp_device *dev, u32 reg, u32 val, bool is_direct);
163 u32 rkisp_read(struct rkisp_device *dev, u32 reg, bool is_direct);
164 u32 rkisp_read_reg_cache(struct rkisp_device *dev, u32 reg);
165 void rkisp_set_bits(struct rkisp_device *dev, u32 reg, u32 mask, u32 val, bool is_direct);
166 void rkisp_clear_bits(struct rkisp_device *dev, u32 reg, u32 mask, bool is_direct);
167 /* for dual isp, config for next isp reg */
168 void rkisp_next_write(struct rkisp_device *dev, u32 reg, u32 val, bool is_direct);
169 u32 rkisp_next_read(struct rkisp_device *dev, u32 reg, bool is_direct);
170 u32 rkisp_next_read_reg_cache(struct rkisp_device *dev, u32 reg);
171 void rkisp_next_set_bits(struct rkisp_device *dev, u32 reg, u32 mask, u32 val, bool is_direct);
172 void rkisp_next_clear_bits(struct rkisp_device *dev, u32 reg, u32 mask, bool is_direct);
173
174 static inline void
rkisp_unite_write(struct rkisp_device * dev,u32 reg,u32 val,bool is_direct,bool is_unite)175 rkisp_unite_write(struct rkisp_device *dev, u32 reg, u32 val, bool is_direct, bool is_unite)
176 {
177 rkisp_write(dev, reg, val, is_direct);
178 if (is_unite)
179 rkisp_next_write(dev, reg, val, is_direct);
180 }
181
182 static inline void
rkisp_unite_set_bits(struct rkisp_device * dev,u32 reg,u32 mask,u32 val,bool is_direct,bool is_unite)183 rkisp_unite_set_bits(struct rkisp_device *dev, u32 reg, u32 mask,
184 u32 val, bool is_direct, bool is_unite)
185 {
186 rkisp_set_bits(dev, reg, mask, val, is_direct);
187 if (is_unite)
188 rkisp_next_set_bits(dev, reg, mask, val, is_direct);
189 }
190
191 static inline void
rkisp_unite_clear_bits(struct rkisp_device * dev,u32 reg,u32 mask,bool is_direct,bool is_unite)192 rkisp_unite_clear_bits(struct rkisp_device *dev, u32 reg, u32 mask,
193 bool is_direct, bool is_unite)
194 {
195 rkisp_clear_bits(dev, reg, mask, is_direct);
196 if (is_unite)
197 rkisp_next_clear_bits(dev, reg, mask, is_direct);
198 }
199
200 void rkisp_update_regs(struct rkisp_device *dev, u32 start, u32 end);
201
202 int rkisp_alloc_buffer(struct rkisp_device *dev, struct rkisp_dummy_buffer *buf);
203 void rkisp_free_buffer(struct rkisp_device *dev, struct rkisp_dummy_buffer *buf);
204 void rkisp_prepare_buffer(struct rkisp_device *dev, struct rkisp_dummy_buffer *buf);
205 void rkisp_finish_buffer(struct rkisp_device *dev, struct rkisp_dummy_buffer *buf);
206
207 int rkisp_attach_hw(struct rkisp_device *isp);
208 int rkisp_alloc_common_dummy_buf(struct rkisp_device *dev);
209 void rkisp_free_common_dummy_buf(struct rkisp_device *dev);
210
211 void rkisp_set_clk_rate(struct clk *clk, unsigned long rate);
212 #endif /* _RKISP_COMMON_H */
213