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7da8a6cb MK |
1 | /* |
2 | * Copyright (C) 2008-2009 Texas Instruments Inc | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
7da8a6cb MK |
13 | */ |
14 | ||
15 | #ifndef _VPFE_CAPTURE_H | |
16 | #define _VPFE_CAPTURE_H | |
17 | ||
18 | #ifdef __KERNEL__ | |
19 | ||
20 | /* Header files */ | |
21 | #include <media/v4l2-dev.h> | |
22 | #include <linux/videodev2.h> | |
23 | #include <linux/clk.h> | |
24 | #include <linux/i2c.h> | |
3bdaa382 | 25 | #include <media/v4l2-fh.h> |
7da8a6cb MK |
26 | #include <media/v4l2-ioctl.h> |
27 | #include <media/v4l2-device.h> | |
28 | #include <media/videobuf-dma-contig.h> | |
29 | #include <media/davinci/vpfe_types.h> | |
30 | ||
31 | #define VPFE_CAPTURE_NUM_DECODERS 5 | |
32 | ||
33 | /* Macros */ | |
34 | #define VPFE_MAJOR_RELEASE 0 | |
35 | #define VPFE_MINOR_RELEASE 0 | |
36 | #define VPFE_BUILD 1 | |
37 | #define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \ | |
38 | (VPFE_MINOR_RELEASE << 8) | \ | |
39 | VPFE_BUILD) | |
40 | ||
41 | #define CAPTURE_DRV_NAME "vpfe-capture" | |
42 | ||
43 | struct vpfe_pixel_format { | |
44 | struct v4l2_fmtdesc fmtdesc; | |
45 | /* bytes per pixel */ | |
46 | int bpp; | |
47 | }; | |
48 | ||
49 | struct vpfe_std_info { | |
50 | int active_pixels; | |
51 | int active_lines; | |
52 | /* current frame format */ | |
53 | int frame_format; | |
54 | }; | |
55 | ||
56 | struct vpfe_route { | |
57 | u32 input; | |
58 | u32 output; | |
59 | }; | |
60 | ||
61 | struct vpfe_subdev_info { | |
62 | /* Sub device name */ | |
63 | char name[32]; | |
64 | /* Sub device group id */ | |
65 | int grp_id; | |
66 | /* Number of inputs supported */ | |
67 | int num_inputs; | |
68 | /* inputs available at the sub device */ | |
69 | struct v4l2_input *inputs; | |
70 | /* Sub dev routing information for each input */ | |
71 | struct vpfe_route *routes; | |
72 | /* check if sub dev supports routing */ | |
73 | int can_route; | |
74 | /* ccdc bus/interface configuration */ | |
75 | struct vpfe_hw_if_param ccdc_if_params; | |
76 | /* i2c subdevice board info */ | |
77 | struct i2c_board_info board_info; | |
78 | }; | |
79 | ||
80 | struct vpfe_config { | |
81 | /* Number of sub devices connected to vpfe */ | |
82 | int num_subdevs; | |
e53a70b4 VH |
83 | /* i2c bus adapter no */ |
84 | int i2c_adapter_id; | |
7da8a6cb MK |
85 | /* information about each subdev */ |
86 | struct vpfe_subdev_info *sub_devs; | |
87 | /* evm card info */ | |
88 | char *card_name; | |
89 | /* ccdc name */ | |
90 | char *ccdc; | |
91 | /* vpfe clock */ | |
92 | struct clk *vpssclk; | |
93 | struct clk *slaveclk; | |
085b54a2 VH |
94 | /* Function for Clearing the interrupt */ |
95 | void (*clr_intr)(int vdint); | |
7da8a6cb MK |
96 | }; |
97 | ||
98 | struct vpfe_device { | |
99 | /* V4l2 specific parameters */ | |
100 | /* Identifies video device for this channel */ | |
03c278f0 | 101 | struct video_device video_dev; |
7da8a6cb MK |
102 | /* sub devices */ |
103 | struct v4l2_subdev **sd; | |
104 | /* vpfe cfg */ | |
105 | struct vpfe_config *cfg; | |
106 | /* V4l2 device */ | |
107 | struct v4l2_device v4l2_dev; | |
108 | /* parent device */ | |
109 | struct device *pdev; | |
7da8a6cb MK |
110 | /* number of open instances of the channel */ |
111 | u32 usrs; | |
112 | /* Indicates id of the field which is being displayed */ | |
113 | u32 field_id; | |
114 | /* flag to indicate whether decoder is initialized */ | |
115 | u8 initialized; | |
116 | /* current interface type */ | |
117 | struct vpfe_hw_if_param vpfe_if_params; | |
118 | /* ptr to currently selected sub device */ | |
119 | struct vpfe_subdev_info *current_subdev; | |
120 | /* current input at the sub device */ | |
121 | int current_input; | |
122 | /* Keeps track of the information about the standard */ | |
123 | struct vpfe_std_info std_info; | |
124 | /* std index into std table */ | |
125 | int std_index; | |
126 | /* CCDC IRQs used when CCDC/ISIF output to SDRAM */ | |
127 | unsigned int ccdc_irq0; | |
128 | unsigned int ccdc_irq1; | |
129 | /* number of buffers in fbuffers */ | |
130 | u32 numbuffers; | |
131 | /* List of buffer pointers for storing frames */ | |
132 | u8 *fbuffers[VIDEO_MAX_FRAME]; | |
133 | /* Pointer pointing to current v4l2_buffer */ | |
134 | struct videobuf_buffer *cur_frm; | |
135 | /* Pointer pointing to next v4l2_buffer */ | |
136 | struct videobuf_buffer *next_frm; | |
137 | /* | |
138 | * This field keeps track of type of buffer exchange mechanism | |
139 | * user has selected | |
140 | */ | |
141 | enum v4l2_memory memory; | |
142 | /* Used to store pixel format */ | |
143 | struct v4l2_format fmt; | |
144 | /* | |
145 | * used when IMP is chained to store the crop window which | |
146 | * is different from the image window | |
147 | */ | |
148 | struct v4l2_rect crop; | |
149 | /* Buffer queue used in video-buf */ | |
150 | struct videobuf_queue buffer_queue; | |
151 | /* Queue of filled frames */ | |
152 | struct list_head dma_queue; | |
153 | /* Used in video-buf */ | |
154 | spinlock_t irqlock; | |
155 | /* IRQ lock for DMA queue */ | |
156 | spinlock_t dma_queue_lock; | |
157 | /* lock used to access this structure */ | |
158 | struct mutex lock; | |
159 | /* number of users performing IO */ | |
160 | u32 io_usrs; | |
161 | /* Indicates whether streaming started */ | |
162 | u8 started; | |
163 | /* | |
164 | * offset where second field starts from the starting of the | |
3ad2f3fb | 165 | * buffer for field separated YCbCr formats |
7da8a6cb MK |
166 | */ |
167 | u32 field_off; | |
168 | }; | |
169 | ||
170 | /* File handle structure */ | |
171 | struct vpfe_fh { | |
3bdaa382 | 172 | struct v4l2_fh fh; |
7da8a6cb MK |
173 | struct vpfe_device *vpfe_dev; |
174 | /* Indicates whether this file handle is doing IO */ | |
175 | u8 io_allowed; | |
7da8a6cb MK |
176 | }; |
177 | ||
178 | struct vpfe_config_params { | |
179 | u8 min_numbuffers; | |
180 | u8 numbuffers; | |
181 | u32 min_bufsize; | |
182 | u32 device_bufsize; | |
183 | }; | |
184 | ||
185 | #endif /* End of __KERNEL__ */ | |
7da8a6cb | 186 | #endif /* _DAVINCI_VPFE_H */ |