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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 3
31#define FLITE_REQ_BUFS_MIN 2
32#define FLITE_DEFAULT_WIDTH 640
33#define FLITE_DEFAULT_HEIGHT 480
34
35
36enum {
37 ST_FLITE_LPM,
38 ST_FLITE_PENDING,
39 ST_FLITE_RUN,
40 ST_FLITE_STREAM,
41 ST_FLITE_SUSPENDED,
42 ST_FLITE_OFF,
43 ST_FLITE_IN_USE,
44 ST_FLITE_CONFIG,
45 ST_SENSOR_STREAM,
46};
47
48#define FLITE_SD_PAD_SINK 0
49#define FLITE_SD_PAD_SOURCE_DMA 1
50#define FLITE_SD_PAD_SOURCE_ISP 2
51#define FLITE_SD_PADS_NUM 3
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65struct flite_drvdata {
66 unsigned short max_width;
67 unsigned short max_height;
68 unsigned short out_width_align;
69 unsigned short win_hor_offs_align;
70 unsigned short out_hor_offs_align;
71 unsigned short max_dma_bufs;
72 unsigned short num_instances;
73};
74
75struct fimc_lite_events {
76 unsigned int data_overflow;
77};
78
79#define FLITE_MAX_PLANES 1
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88struct flite_frame {
89 u16 f_width;
90 u16 f_height;
91 struct v4l2_rect rect;
92 const struct fimc_fmt *fmt;
93};
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102struct flite_buffer {
103 struct vb2_buffer vb;
104 struct list_head list;
105 dma_addr_t paddr;
106 unsigned short index;
107};
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145struct fimc_lite {
146 struct platform_device *pdev;
147 struct flite_drvdata *dd;
148 struct exynos_video_entity ve;
149 struct v4l2_device *v4l2_dev;
150 struct v4l2_fh fh;
151 struct vb2_alloc_ctx *alloc_ctx;
152 struct v4l2_subdev subdev;
153 struct media_pad vd_pad;
154 struct media_pad subdev_pads[FLITE_SD_PADS_NUM];
155 struct v4l2_subdev *sensor;
156 struct v4l2_ctrl_handler ctrl_handler;
157 struct v4l2_ctrl *test_pattern;
158 int index;
159
160 struct mutex lock;
161 spinlock_t slock;
162
163 struct clk *clock;
164 void __iomem *regs;
165 wait_queue_head_t irq_queue;
166
167 unsigned long payload[FLITE_MAX_PLANES];
168 struct flite_frame inp_frame;
169 struct flite_frame out_frame;
170 atomic_t out_path;
171 unsigned int source_subdev_grp_id;
172
173 unsigned long state;
174 struct list_head pending_buf_q;
175 struct list_head active_buf_q;
176 struct vb2_queue vb_queue;
177 unsigned short buf_index;
178 unsigned int frame_count;
179 unsigned int reqbufs_count;
180
181 struct fimc_lite_events events;
182 bool streaming;
183};
184
185static inline bool fimc_lite_active(struct fimc_lite *fimc)
186{
187 unsigned long flags;
188 bool ret;
189
190 spin_lock_irqsave(&fimc->slock, flags);
191 ret = fimc->state & (1 << ST_FLITE_RUN) ||
192 fimc->state & (1 << ST_FLITE_PENDING);
193 spin_unlock_irqrestore(&fimc->slock, flags);
194 return ret;
195}
196
197static inline void fimc_lite_active_queue_add(struct fimc_lite *dev,
198 struct flite_buffer *buf)
199{
200 list_add_tail(&buf->list, &dev->active_buf_q);
201}
202
203static inline struct flite_buffer *fimc_lite_active_queue_pop(
204 struct fimc_lite *dev)
205{
206 struct flite_buffer *buf = list_entry(dev->active_buf_q.next,
207 struct flite_buffer, list);
208 list_del(&buf->list);
209 return buf;
210}
211
212static inline void fimc_lite_pending_queue_add(struct fimc_lite *dev,
213 struct flite_buffer *buf)
214{
215 list_add_tail(&buf->list, &dev->pending_buf_q);
216}
217
218static inline struct flite_buffer *fimc_lite_pending_queue_pop(
219 struct fimc_lite *dev)
220{
221 struct flite_buffer *buf = list_entry(dev->pending_buf_q.next,
222 struct flite_buffer, list);
223 list_del(&buf->list);
224 return buf;
225}
226
227#endif
228
