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c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
7da8a6cb MK |
2 | /* |
3 | * Copyright (C) 2008-2009 Texas Instruments Inc | |
7da8a6cb MK |
4 | */ |
5 | ||
6 | #ifndef _VPFE_CAPTURE_H | |
7 | #define _VPFE_CAPTURE_H | |
8 | ||
9 | #ifdef __KERNEL__ | |
10 | ||
11 | /* Header files */ | |
12 | #include <media/v4l2-dev.h> | |
13 | #include <linux/videodev2.h> | |
14 | #include <linux/clk.h> | |
15 | #include <linux/i2c.h> | |
3bdaa382 | 16 | #include <media/v4l2-fh.h> |
7da8a6cb MK |
17 | #include <media/v4l2-ioctl.h> |
18 | #include <media/v4l2-device.h> | |
19 | #include <media/videobuf-dma-contig.h> | |
20 | #include <media/davinci/vpfe_types.h> | |
21 | ||
22 | #define VPFE_CAPTURE_NUM_DECODERS 5 | |
23 | ||
24 | /* Macros */ | |
25 | #define VPFE_MAJOR_RELEASE 0 | |
26 | #define VPFE_MINOR_RELEASE 0 | |
27 | #define VPFE_BUILD 1 | |
28 | #define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \ | |
29 | (VPFE_MINOR_RELEASE << 8) | \ | |
30 | VPFE_BUILD) | |
31 | ||
32 | #define CAPTURE_DRV_NAME "vpfe-capture" | |
33 | ||
34 | struct vpfe_pixel_format { | |
35 | struct v4l2_fmtdesc fmtdesc; | |
36 | /* bytes per pixel */ | |
37 | int bpp; | |
38 | }; | |
39 | ||
40 | struct vpfe_std_info { | |
41 | int active_pixels; | |
42 | int active_lines; | |
43 | /* current frame format */ | |
44 | int frame_format; | |
45 | }; | |
46 | ||
47 | struct vpfe_route { | |
48 | u32 input; | |
49 | u32 output; | |
50 | }; | |
51 | ||
52 | struct vpfe_subdev_info { | |
53 | /* Sub device name */ | |
54 | char name[32]; | |
55 | /* Sub device group id */ | |
56 | int grp_id; | |
57 | /* Number of inputs supported */ | |
58 | int num_inputs; | |
59 | /* inputs available at the sub device */ | |
60 | struct v4l2_input *inputs; | |
61 | /* Sub dev routing information for each input */ | |
62 | struct vpfe_route *routes; | |
63 | /* check if sub dev supports routing */ | |
64 | int can_route; | |
65 | /* ccdc bus/interface configuration */ | |
66 | struct vpfe_hw_if_param ccdc_if_params; | |
67 | /* i2c subdevice board info */ | |
68 | struct i2c_board_info board_info; | |
69 | }; | |
70 | ||
71 | struct vpfe_config { | |
72 | /* Number of sub devices connected to vpfe */ | |
73 | int num_subdevs; | |
e53a70b4 VH |
74 | /* i2c bus adapter no */ |
75 | int i2c_adapter_id; | |
7da8a6cb MK |
76 | /* information about each subdev */ |
77 | struct vpfe_subdev_info *sub_devs; | |
78 | /* evm card info */ | |
79 | char *card_name; | |
80 | /* ccdc name */ | |
81 | char *ccdc; | |
82 | /* vpfe clock */ | |
83 | struct clk *vpssclk; | |
84 | struct clk *slaveclk; | |
085b54a2 VH |
85 | /* Function for Clearing the interrupt */ |
86 | void (*clr_intr)(int vdint); | |
7da8a6cb MK |
87 | }; |
88 | ||
89 | struct vpfe_device { | |
90 | /* V4l2 specific parameters */ | |
91 | /* Identifies video device for this channel */ | |
03c278f0 | 92 | struct video_device video_dev; |
7da8a6cb MK |
93 | /* sub devices */ |
94 | struct v4l2_subdev **sd; | |
95 | /* vpfe cfg */ | |
96 | struct vpfe_config *cfg; | |
97 | /* V4l2 device */ | |
98 | struct v4l2_device v4l2_dev; | |
99 | /* parent device */ | |
100 | struct device *pdev; | |
7da8a6cb MK |
101 | /* number of open instances of the channel */ |
102 | u32 usrs; | |
103 | /* Indicates id of the field which is being displayed */ | |
104 | u32 field_id; | |
105 | /* flag to indicate whether decoder is initialized */ | |
106 | u8 initialized; | |
107 | /* current interface type */ | |
108 | struct vpfe_hw_if_param vpfe_if_params; | |
109 | /* ptr to currently selected sub device */ | |
110 | struct vpfe_subdev_info *current_subdev; | |
111 | /* current input at the sub device */ | |
112 | int current_input; | |
113 | /* Keeps track of the information about the standard */ | |
114 | struct vpfe_std_info std_info; | |
115 | /* std index into std table */ | |
116 | int std_index; | |
117 | /* CCDC IRQs used when CCDC/ISIF output to SDRAM */ | |
118 | unsigned int ccdc_irq0; | |
119 | unsigned int ccdc_irq1; | |
120 | /* number of buffers in fbuffers */ | |
121 | u32 numbuffers; | |
122 | /* List of buffer pointers for storing frames */ | |
123 | u8 *fbuffers[VIDEO_MAX_FRAME]; | |
124 | /* Pointer pointing to current v4l2_buffer */ | |
125 | struct videobuf_buffer *cur_frm; | |
126 | /* Pointer pointing to next v4l2_buffer */ | |
127 | struct videobuf_buffer *next_frm; | |
128 | /* | |
129 | * This field keeps track of type of buffer exchange mechanism | |
130 | * user has selected | |
131 | */ | |
132 | enum v4l2_memory memory; | |
133 | /* Used to store pixel format */ | |
134 | struct v4l2_format fmt; | |
135 | /* | |
136 | * used when IMP is chained to store the crop window which | |
137 | * is different from the image window | |
138 | */ | |
139 | struct v4l2_rect crop; | |
140 | /* Buffer queue used in video-buf */ | |
141 | struct videobuf_queue buffer_queue; | |
142 | /* Queue of filled frames */ | |
143 | struct list_head dma_queue; | |
144 | /* Used in video-buf */ | |
145 | spinlock_t irqlock; | |
146 | /* IRQ lock for DMA queue */ | |
147 | spinlock_t dma_queue_lock; | |
148 | /* lock used to access this structure */ | |
149 | struct mutex lock; | |
150 | /* number of users performing IO */ | |
151 | u32 io_usrs; | |
152 | /* Indicates whether streaming started */ | |
153 | u8 started; | |
154 | /* | |
155 | * offset where second field starts from the starting of the | |
3ad2f3fb | 156 | * buffer for field separated YCbCr formats |
7da8a6cb MK |
157 | */ |
158 | u32 field_off; | |
159 | }; | |
160 | ||
161 | /* File handle structure */ | |
162 | struct vpfe_fh { | |
3bdaa382 | 163 | struct v4l2_fh fh; |
7da8a6cb MK |
164 | struct vpfe_device *vpfe_dev; |
165 | /* Indicates whether this file handle is doing IO */ | |
166 | u8 io_allowed; | |
7da8a6cb MK |
167 | }; |
168 | ||
169 | struct vpfe_config_params { | |
170 | u8 min_numbuffers; | |
171 | u8 numbuffers; | |
172 | u32 min_bufsize; | |
173 | u32 device_bufsize; | |
174 | }; | |
175 | ||
176 | #endif /* End of __KERNEL__ */ | |
7da8a6cb | 177 | #endif /* _DAVINCI_VPFE_H */ |