1
2
3
4
5
6
7
8
9
10#ifndef QC_MSM_CAMSS_VFE_H
11#define QC_MSM_CAMSS_VFE_H
12
13#include <linux/clk.h>
14#include <linux/spinlock_types.h>
15#include <media/media-entity.h>
16#include <media/v4l2-device.h>
17#include <media/v4l2-subdev.h>
18
19#include "camss-video.h"
20#include "camss-vfe-gen1.h"
21
22#define MSM_VFE_PAD_SINK 0
23#define MSM_VFE_PAD_SRC 1
24#define MSM_VFE_PADS_NUM 2
25
26#define MSM_VFE_IMAGE_MASTERS_NUM 7
27#define MSM_VFE_COMPOSITE_IRQ_NUM 4
28
29
30#define VFE_HALT_TIMEOUT_MS 100
31
32#define VFE_FRAME_DROP_VAL 30
33
34#define vfe_line_array(ptr_line) \
35 ((const struct vfe_line (*)[]) &(ptr_line)[-(ptr_line)->id])
36
37#define to_vfe(ptr_line) \
38 container_of(vfe_line_array(ptr_line), struct vfe_device, line)
39
40enum vfe_output_state {
41 VFE_OUTPUT_OFF,
42 VFE_OUTPUT_RESERVED,
43 VFE_OUTPUT_SINGLE,
44 VFE_OUTPUT_CONTINUOUS,
45 VFE_OUTPUT_IDLE,
46 VFE_OUTPUT_STOPPING,
47 VFE_OUTPUT_ON,
48};
49
50enum vfe_line_id {
51 VFE_LINE_NONE = -1,
52 VFE_LINE_RDI0 = 0,
53 VFE_LINE_RDI1 = 1,
54 VFE_LINE_RDI2 = 2,
55 VFE_LINE_NUM_GEN2 = 3,
56 VFE_LINE_PIX = 3,
57 VFE_LINE_NUM_GEN1 = 4,
58 VFE_LINE_NUM_MAX = 4
59};
60
61struct vfe_output {
62 u8 wm_num;
63 u8 wm_idx[3];
64
65 struct camss_buffer *buf[2];
66 struct camss_buffer *last_buffer;
67 struct list_head pending_bufs;
68
69 unsigned int drop_update_idx;
70
71 union {
72 struct {
73 int active_buf;
74 int wait_sof;
75 } gen1;
76 struct {
77 int active_num;
78 } gen2;
79 };
80 enum vfe_output_state state;
81 unsigned int sequence;
82
83 int wait_reg_update;
84 struct completion sof;
85 struct completion reg_update;
86};
87
88struct vfe_line {
89 enum vfe_line_id id;
90 struct v4l2_subdev subdev;
91 struct media_pad pads[MSM_VFE_PADS_NUM];
92 struct v4l2_mbus_framefmt fmt[MSM_VFE_PADS_NUM];
93 struct v4l2_rect compose;
94 struct v4l2_rect crop;
95 struct camss_video video_out;
96 struct vfe_output output;
97 const struct vfe_format *formats;
98 unsigned int nformats;
99};
100
101struct vfe_device;
102
103struct vfe_hw_ops {
104 void (*enable_irq_common)(struct vfe_device *vfe);
105 void (*global_reset)(struct vfe_device *vfe);
106 void (*hw_version_read)(struct vfe_device *vfe, struct device *dev);
107 irqreturn_t (*isr)(int irq, void *dev);
108 void (*isr_read)(struct vfe_device *vfe, u32 *value0, u32 *value1);
109 void (*pm_domain_off)(struct vfe_device *vfe);
110 int (*pm_domain_on)(struct vfe_device *vfe);
111 void (*reg_update)(struct vfe_device *vfe, enum vfe_line_id line_id);
112 void (*reg_update_clear)(struct vfe_device *vfe,
113 enum vfe_line_id line_id);
114 void (*subdev_init)(struct device *dev, struct vfe_device *vfe);
115 int (*vfe_disable)(struct vfe_line *line);
116 int (*vfe_enable)(struct vfe_line *line);
117 int (*vfe_halt)(struct vfe_device *vfe);
118 void (*violation_read)(struct vfe_device *vfe);
119};
120
121struct vfe_isr_ops {
122 void (*reset_ack)(struct vfe_device *vfe);
123 void (*halt_ack)(struct vfe_device *vfe);
124 void (*reg_update)(struct vfe_device *vfe, enum vfe_line_id line_id);
125 void (*sof)(struct vfe_device *vfe, enum vfe_line_id line_id);
126 void (*comp_done)(struct vfe_device *vfe, u8 comp);
127 void (*wm_done)(struct vfe_device *vfe, u8 wm);
128};
129
130struct vfe_device {
131 struct camss *camss;
132 u8 id;
133 void __iomem *base;
134 u32 irq;
135 char irq_name[30];
136 struct camss_clock *clock;
137 int nclocks;
138 struct completion reset_complete;
139 struct completion halt_complete;
140 struct mutex power_lock;
141 int power_count;
142 struct mutex stream_lock;
143 int stream_count;
144 spinlock_t output_lock;
145 enum vfe_line_id wm_output_map[MSM_VFE_IMAGE_MASTERS_NUM];
146 struct vfe_line line[VFE_LINE_NUM_MAX];
147 u8 line_num;
148 u32 reg_update;
149 u8 was_streaming;
150 const struct vfe_hw_ops *ops;
151 const struct vfe_hw_ops_gen1 *ops_gen1;
152 struct vfe_isr_ops isr_ops;
153 struct camss_video_ops video_ops;
154};
155
156struct resources;
157
158int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
159 const struct resources *res, u8 id);
160
161int msm_vfe_register_entities(struct vfe_device *vfe,
162 struct v4l2_device *v4l2_dev);
163
164void msm_vfe_unregister_entities(struct vfe_device *vfe);
165
166void msm_vfe_get_vfe_id(struct media_entity *entity, u8 *id);
167void msm_vfe_get_vfe_line_id(struct media_entity *entity, enum vfe_line_id *id);
168
169
170
171
172
173
174void vfe_buf_add_pending(struct vfe_output *output, struct camss_buffer *buffer);
175
176struct camss_buffer *vfe_buf_get_pending(struct vfe_output *output);
177
178int vfe_flush_buffers(struct camss_video *vid, enum vb2_buffer_state state);
179
180
181
182
183
184
185void vfe_isr_comp_done(struct vfe_device *vfe, u8 comp);
186
187void vfe_isr_reset_ack(struct vfe_device *vfe);
188int vfe_put_output(struct vfe_line *line);
189int vfe_release_wm(struct vfe_device *vfe, u8 wm);
190int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id);
191
192
193
194
195
196
197
198int vfe_reset(struct vfe_device *vfe);
199
200extern const struct vfe_hw_ops vfe_ops_4_1;
201extern const struct vfe_hw_ops vfe_ops_4_7;
202extern const struct vfe_hw_ops vfe_ops_4_8;
203extern const struct vfe_hw_ops vfe_ops_170;
204
205#endif
206
