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9#ifndef FIMC_LITE_H_
10#define FIMC_LITE_H_
11
12#include <linux/sizes.h>
13#include <linux/io.h>
14#include <linux/irqreturn.h>
15#include <linux/platform_device.h>
16#include <linux/sched.h>
17#include <linux/spinlock.h>
18#include <linux/types.h>
19#include <linux/videodev2.h>
20
21#include <media/media-entity.h>
22#include <media/videobuf2-core.h>
23#include <media/v4l2-ctrls.h>
24#include <media/v4l2-device.h>
25#include <media/v4l2-mediabus.h>
26#include <media/s5p_fimc.h>
27
28#define FIMC_LITE_DRV_NAME "exynos-fimc-lite"
29#define FLITE_CLK_NAME "flite"
30#define FIMC_LITE_MAX_DEVS 2
31#define FLITE_REQ_BUFS_MIN 2
32
33
34enum {
35 ST_FLITE_LPM,
36 ST_FLITE_PENDING,
37 ST_FLITE_RUN,
38 ST_FLITE_STREAM,
39 ST_FLITE_SUSPENDED,
40 ST_FLITE_OFF,
41 ST_FLITE_IN_USE,
42 ST_FLITE_CONFIG,
43 ST_SENSOR_STREAM,
44};
45
46#define FLITE_SD_PAD_SINK 0
47#define FLITE_SD_PAD_SOURCE_DMA 1
48#define FLITE_SD_PAD_SOURCE_ISP 2
49#define FLITE_SD_PADS_NUM 3
50
51struct flite_drvdata {
52 unsigned short max_width;
53 unsigned short max_height;
54 unsigned short out_width_align;
55 unsigned short win_hor_offs_align;
56 unsigned short out_hor_offs_align;
57};
58
59#define fimc_lite_get_drvdata(_pdev) \
60 ((struct flite_drvdata *) platform_get_device_id(_pdev)->driver_data)
61
62struct fimc_lite_events {
63 unsigned int data_overflow;
64};
65
66#define FLITE_MAX_PLANES 1
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75struct flite_frame {
76 u16 f_width;
77 u16 f_height;
78 struct v4l2_rect rect;
79 const struct fimc_fmt *fmt;
80};
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88struct flite_buffer {
89 struct vb2_buffer vb;
90 struct list_head list;
91 dma_addr_t paddr;
92};
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130struct fimc_lite {
131 struct platform_device *pdev;
132 struct flite_drvdata *dd;
133 struct v4l2_device *v4l2_dev;
134 struct video_device vfd;
135 struct v4l2_fh fh;
136 struct vb2_alloc_ctx *alloc_ctx;
137 struct v4l2_subdev subdev;
138 struct media_pad vd_pad;
139 struct media_pad subdev_pads[FLITE_SD_PADS_NUM];
140 struct v4l2_subdev *sensor;
141 struct v4l2_ctrl_handler ctrl_handler;
142 struct v4l2_ctrl *test_pattern;
143 int index;
144 struct fimc_pipeline pipeline;
145 const struct fimc_pipeline_ops *pipeline_ops;
146
147 struct mutex lock;
148 spinlock_t slock;
149
150 struct clk *clock;
151 void __iomem *regs;
152 wait_queue_head_t irq_queue;
153
154 unsigned long payload[FLITE_MAX_PLANES];
155 struct flite_frame inp_frame;
156 struct flite_frame out_frame;
157 atomic_t out_path;
158 unsigned int source_subdev_grp_id;
159
160 unsigned long state;
161 struct list_head pending_buf_q;
162 struct list_head active_buf_q;
163 struct vb2_queue vb_queue;
164 unsigned int frame_count;
165 unsigned int reqbufs_count;
166 int ref_count;
167
168 struct fimc_lite_events events;
169 bool streaming;
170};
171
172static inline bool fimc_lite_active(struct fimc_lite *fimc)
173{
174 unsigned long flags;
175 bool ret;
176
177 spin_lock_irqsave(&fimc->slock, flags);
178 ret = fimc->state & (1 << ST_FLITE_RUN) ||
179 fimc->state & (1 << ST_FLITE_PENDING);
180 spin_unlock_irqrestore(&fimc->slock, flags);
181 return ret;
182}
183
184static inline void fimc_lite_active_queue_add(struct fimc_lite *dev,
185 struct flite_buffer *buf)
186{
187 list_add_tail(&buf->list, &dev->active_buf_q);
188}
189
190static inline struct flite_buffer *fimc_lite_active_queue_pop(
191 struct fimc_lite *dev)
192{
193 struct flite_buffer *buf = list_entry(dev->active_buf_q.next,
194 struct flite_buffer, list);
195 list_del(&buf->list);
196 return buf;
197}
198
199static inline void fimc_lite_pending_queue_add(struct fimc_lite *dev,
200 struct flite_buffer *buf)
201{
202 list_add_tail(&buf->list, &dev->pending_buf_q);
203}
204
205static inline struct flite_buffer *fimc_lite_pending_queue_pop(
206 struct fimc_lite *dev)
207{
208 struct flite_buffer *buf = list_entry(dev->pending_buf_q.next,
209 struct flite_buffer, list);
210 list_del(&buf->list);
211 return buf;
212}
213
214#endif
215
