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17#ifndef OMAP3_ISP_CCDC_H
18#define OMAP3_ISP_CCDC_H
19
20#include <linux/omap3isp.h>
21#include <linux/workqueue.h>
22
23#include "ispvideo.h"
24
25enum ccdc_input_entity {
26 CCDC_INPUT_NONE,
27 CCDC_INPUT_PARALLEL,
28 CCDC_INPUT_CSI2A,
29 CCDC_INPUT_CCP2B,
30 CCDC_INPUT_CSI2C
31};
32
33#define CCDC_OUTPUT_MEMORY (1 << 0)
34#define CCDC_OUTPUT_PREVIEW (1 << 1)
35#define CCDC_OUTPUT_RESIZER (1 << 2)
36
37#define OMAP3ISP_CCDC_NEVENTS 16
38
39struct ispccdc_fpc {
40 void *addr;
41 dma_addr_t dma;
42 unsigned int fpnum;
43};
44
45enum ispccdc_lsc_state {
46 LSC_STATE_STOPPED = 0,
47 LSC_STATE_STOPPING = 1,
48 LSC_STATE_RUNNING = 2,
49 LSC_STATE_RECONFIG = 3,
50};
51
52struct ispccdc_lsc_config_req {
53 struct list_head list;
54 struct omap3isp_ccdc_lsc_config config;
55 unsigned char enable;
56
57 struct {
58 void *addr;
59 dma_addr_t dma;
60 struct sg_table sgt;
61 } table;
62};
63
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65
66
67struct ispccdc_lsc {
68 enum ispccdc_lsc_state state;
69 struct work_struct table_work;
70
71
72 spinlock_t req_lock;
73 struct ispccdc_lsc_config_req *request;
74 struct ispccdc_lsc_config_req *active;
75 struct list_head free_queue;
76};
77
78#define CCDC_STOP_NOT_REQUESTED 0x00
79#define CCDC_STOP_REQUEST 0x01
80#define CCDC_STOP_EXECUTED (0x02 | CCDC_STOP_REQUEST)
81#define CCDC_STOP_CCDC_FINISHED 0x04
82#define CCDC_STOP_LSC_FINISHED 0x08
83#define CCDC_STOP_FINISHED \
84 (CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED)
85
86#define CCDC_EVENT_VD1 0x10
87#define CCDC_EVENT_VD0 0x20
88#define CCDC_EVENT_LSC_DONE 0x40
89
90
91#define CCDC_PAD_SINK 0
92#define CCDC_PAD_SOURCE_OF 1
93#define CCDC_PAD_SOURCE_VP 2
94#define CCDC_PADS_NUM 3
95
96#define CCDC_FIELD_TOP 1
97#define CCDC_FIELD_BOTTOM 2
98#define CCDC_FIELD_BOTH 3
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130struct isp_ccdc_device {
131 struct v4l2_subdev subdev;
132 struct media_pad pads[CCDC_PADS_NUM];
133 struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM];
134 struct v4l2_rect crop;
135
136 enum ccdc_input_entity input;
137 unsigned int output;
138 struct isp_video video_out;
139
140 unsigned int alaw:1,
141 lpf:1,
142 obclamp:1,
143 fpc_en:1;
144 struct omap3isp_ccdc_blcomp blcomp;
145 struct omap3isp_ccdc_bclamp clamp;
146 struct ispccdc_fpc fpc;
147 struct ispccdc_lsc lsc;
148 unsigned int update;
149 unsigned int shadow_update;
150
151 bool bt656;
152 unsigned int fields;
153
154 unsigned int underrun:1;
155 enum isp_pipeline_stream_state state;
156 spinlock_t lock;
157 wait_queue_head_t wait;
158 unsigned int stopping;
159 bool running;
160 struct mutex ioctl_lock;
161};
162
163struct isp_device;
164
165int omap3isp_ccdc_init(struct isp_device *isp);
166void omap3isp_ccdc_cleanup(struct isp_device *isp);
167int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
168 struct v4l2_device *vdev);
169void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc);
170
171int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc);
172int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events);
173void omap3isp_ccdc_restore_context(struct isp_device *isp);
174void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc,
175 unsigned int *max_rate);
176
177#endif
178
