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18#ifndef QC_MSM_CAMSS_VFE_H
19#define QC_MSM_CAMSS_VFE_H
20
21#include <linux/clk.h>
22#include <linux/spinlock_types.h>
23#include <media/media-entity.h>
24#include <media/v4l2-device.h>
25#include <media/v4l2-subdev.h>
26
27#include "camss-video.h"
28
29#define MSM_VFE_PAD_SINK 0
30#define MSM_VFE_PAD_SRC 1
31#define MSM_VFE_PADS_NUM 2
32
33#define MSM_VFE_LINE_NUM 4
34#define MSM_VFE_IMAGE_MASTERS_NUM 7
35#define MSM_VFE_COMPOSITE_IRQ_NUM 4
36
37#define MSM_VFE_VFE0_UB_SIZE 1023
38#define MSM_VFE_VFE0_UB_SIZE_RDI (MSM_VFE_VFE0_UB_SIZE / 3)
39#define MSM_VFE_VFE1_UB_SIZE 1535
40#define MSM_VFE_VFE1_UB_SIZE_RDI (MSM_VFE_VFE1_UB_SIZE / 3)
41
42enum vfe_output_state {
43 VFE_OUTPUT_OFF,
44 VFE_OUTPUT_RESERVED,
45 VFE_OUTPUT_SINGLE,
46 VFE_OUTPUT_CONTINUOUS,
47 VFE_OUTPUT_IDLE,
48 VFE_OUTPUT_STOPPING
49};
50
51enum vfe_line_id {
52 VFE_LINE_NONE = -1,
53 VFE_LINE_RDI0 = 0,
54 VFE_LINE_RDI1 = 1,
55 VFE_LINE_RDI2 = 2,
56 VFE_LINE_PIX = 3
57};
58
59struct vfe_output {
60 u8 wm_num;
61 u8 wm_idx[3];
62
63 int active_buf;
64 struct camss_buffer *buf[2];
65 struct camss_buffer *last_buffer;
66 struct list_head pending_bufs;
67
68 unsigned int drop_update_idx;
69
70 enum vfe_output_state state;
71 unsigned int sequence;
72 int wait_sof;
73 int wait_reg_update;
74 struct completion sof;
75 struct completion reg_update;
76};
77
78struct vfe_line {
79 enum vfe_line_id id;
80 struct v4l2_subdev subdev;
81 struct media_pad pads[MSM_VFE_PADS_NUM];
82 struct v4l2_mbus_framefmt fmt[MSM_VFE_PADS_NUM];
83 struct v4l2_rect compose;
84 struct v4l2_rect crop;
85 struct camss_video video_out;
86 struct vfe_output output;
87};
88
89struct vfe_device {
90 u8 id;
91 void __iomem *base;
92 u32 irq;
93 char irq_name[30];
94 struct camss_clock *clock;
95 int nclocks;
96 struct completion reset_complete;
97 struct completion halt_complete;
98 struct mutex power_lock;
99 int power_count;
100 struct mutex stream_lock;
101 int stream_count;
102 spinlock_t output_lock;
103 enum vfe_line_id wm_output_map[MSM_VFE_IMAGE_MASTERS_NUM];
104 struct vfe_line line[MSM_VFE_LINE_NUM];
105 u32 reg_update;
106 u8 was_streaming;
107};
108
109struct resources;
110
111int msm_vfe_subdev_init(struct vfe_device *vfe, const struct resources *res);
112
113int msm_vfe_register_entities(struct vfe_device *vfe,
114 struct v4l2_device *v4l2_dev);
115
116void msm_vfe_unregister_entities(struct vfe_device *vfe);
117
118void msm_vfe_get_vfe_id(struct media_entity *entity, u8 *id);
119void msm_vfe_get_vfe_line_id(struct media_entity *entity, enum vfe_line_id *id);
120
121void msm_vfe_stop_streaming(struct vfe_device *vfe);
122
123#endif
124