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Diffstat (limited to 'include/media/davinci/vpfe_capture.h')
-rw-r--r-- | include/media/davinci/vpfe_capture.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h new file mode 100644 index 000000000000..71d8982e13ff --- /dev/null +++ b/include/media/davinci/vpfe_capture.h | |||
@@ -0,0 +1,198 @@ | |||
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. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
17 | */ | ||
18 | |||
19 | #ifndef _VPFE_CAPTURE_H | ||
20 | #define _VPFE_CAPTURE_H | ||
21 | |||
22 | #ifdef __KERNEL__ | ||
23 | |||
24 | /* Header files */ | ||
25 | #include <media/v4l2-dev.h> | ||
26 | #include <linux/videodev2.h> | ||
27 | #include <linux/clk.h> | ||
28 | #include <linux/i2c.h> | ||
29 | #include <media/v4l2-ioctl.h> | ||
30 | #include <media/v4l2-device.h> | ||
31 | #include <media/videobuf-dma-contig.h> | ||
32 | #include <media/davinci/vpfe_types.h> | ||
33 | |||
34 | #define VPFE_CAPTURE_NUM_DECODERS 5 | ||
35 | |||
36 | /* Macros */ | ||
37 | #define VPFE_MAJOR_RELEASE 0 | ||
38 | #define VPFE_MINOR_RELEASE 0 | ||
39 | #define VPFE_BUILD 1 | ||
40 | #define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \ | ||
41 | (VPFE_MINOR_RELEASE << 8) | \ | ||
42 | VPFE_BUILD) | ||
43 | |||
44 | #define CAPTURE_DRV_NAME "vpfe-capture" | ||
45 | |||
46 | struct vpfe_pixel_format { | ||
47 | struct v4l2_fmtdesc fmtdesc; | ||
48 | /* bytes per pixel */ | ||
49 | int bpp; | ||
50 | }; | ||
51 | |||
52 | struct vpfe_std_info { | ||
53 | int active_pixels; | ||
54 | int active_lines; | ||
55 | /* current frame format */ | ||
56 | int frame_format; | ||
57 | }; | ||
58 | |||
59 | struct vpfe_route { | ||
60 | u32 input; | ||
61 | u32 output; | ||
62 | }; | ||
63 | |||
64 | struct vpfe_subdev_info { | ||
65 | /* Sub device name */ | ||
66 | char name[32]; | ||
67 | /* Sub device group id */ | ||
68 | int grp_id; | ||
69 | /* Number of inputs supported */ | ||
70 | int num_inputs; | ||
71 | /* inputs available at the sub device */ | ||
72 | struct v4l2_input *inputs; | ||
73 | /* Sub dev routing information for each input */ | ||
74 | struct vpfe_route *routes; | ||
75 | /* check if sub dev supports routing */ | ||
76 | int can_route; | ||
77 | /* ccdc bus/interface configuration */ | ||
78 | struct vpfe_hw_if_param ccdc_if_params; | ||
79 | /* i2c subdevice board info */ | ||
80 | struct i2c_board_info board_info; | ||
81 | }; | ||
82 | |||
83 | struct vpfe_config { | ||
84 | /* Number of sub devices connected to vpfe */ | ||
85 | int num_subdevs; | ||
86 | /* information about each subdev */ | ||
87 | struct vpfe_subdev_info *sub_devs; | ||
88 | /* evm card info */ | ||
89 | char *card_name; | ||
90 | /* ccdc name */ | ||
91 | char *ccdc; | ||
92 | /* vpfe clock */ | ||
93 | struct clk *vpssclk; | ||
94 | struct clk *slaveclk; | ||
95 | }; | ||
96 | |||
97 | struct vpfe_device { | ||
98 | /* V4l2 specific parameters */ | ||
99 | /* Identifies video device for this channel */ | ||
100 | struct video_device *video_dev; | ||
101 | /* sub devices */ | ||
102 | struct v4l2_subdev **sd; | ||
103 | /* vpfe cfg */ | ||
104 | struct vpfe_config *cfg; | ||
105 | /* V4l2 device */ | ||
106 | struct v4l2_device v4l2_dev; | ||
107 | /* parent device */ | ||
108 | struct device *pdev; | ||
109 | /* Used to keep track of state of the priority */ | ||
110 | struct v4l2_prio_state prio; | ||
111 | /* number of open instances of the channel */ | ||
112 | u32 usrs; | ||
113 | /* Indicates id of the field which is being displayed */ | ||
114 | u32 field_id; | ||
115 | /* flag to indicate whether decoder is initialized */ | ||
116 | u8 initialized; | ||
117 | /* current interface type */ | ||
118 | struct vpfe_hw_if_param vpfe_if_params; | ||
119 | /* ptr to currently selected sub device */ | ||
120 | struct vpfe_subdev_info *current_subdev; | ||
121 | /* current input at the sub device */ | ||
122 | int current_input; | ||
123 | /* Keeps track of the information about the standard */ | ||
124 | struct vpfe_std_info std_info; | ||
125 | /* std index into std table */ | ||
126 | int std_index; | ||
127 | /* CCDC IRQs used when CCDC/ISIF output to SDRAM */ | ||
128 | unsigned int ccdc_irq0; | ||
129 | unsigned int ccdc_irq1; | ||
130 | /* number of buffers in fbuffers */ | ||
131 | u32 numbuffers; | ||
132 | /* List of buffer pointers for storing frames */ | ||
133 | u8 *fbuffers[VIDEO_MAX_FRAME]; | ||
134 | /* Pointer pointing to current v4l2_buffer */ | ||
135 | struct videobuf_buffer *cur_frm; | ||
136 | /* Pointer pointing to next v4l2_buffer */ | ||
137 | struct videobuf_buffer *next_frm; | ||
138 | /* | ||
139 | * This field keeps track of type of buffer exchange mechanism | ||
140 | * user has selected | ||
141 | */ | ||
142 | enum v4l2_memory memory; | ||
143 | /* Used to store pixel format */ | ||
144 | struct v4l2_format fmt; | ||
145 | /* | ||
146 | * used when IMP is chained to store the crop window which | ||
147 | * is different from the image window | ||
148 | */ | ||
149 | struct v4l2_rect crop; | ||
150 | /* Buffer queue used in video-buf */ | ||
151 | struct videobuf_queue buffer_queue; | ||
152 | /* Queue of filled frames */ | ||
153 | struct list_head dma_queue; | ||
154 | /* Used in video-buf */ | ||
155 | spinlock_t irqlock; | ||
156 | /* IRQ lock for DMA queue */ | ||
157 | spinlock_t dma_queue_lock; | ||
158 | /* lock used to access this structure */ | ||
159 | struct mutex lock; | ||
160 | /* number of users performing IO */ | ||
161 | u32 io_usrs; | ||
162 | /* Indicates whether streaming started */ | ||
163 | u8 started; | ||
164 | /* | ||
165 | * offset where second field starts from the starting of the | ||
166 | * buffer for field seperated YCbCr formats | ||
167 | */ | ||
168 | u32 field_off; | ||
169 | }; | ||
170 | |||
171 | /* File handle structure */ | ||
172 | struct vpfe_fh { | ||
173 | struct vpfe_device *vpfe_dev; | ||
174 | /* Indicates whether this file handle is doing IO */ | ||
175 | u8 io_allowed; | ||
176 | /* Used to keep track priority of this instance */ | ||
177 | enum v4l2_priority prio; | ||
178 | }; | ||
179 | |||
180 | struct vpfe_config_params { | ||
181 | u8 min_numbuffers; | ||
182 | u8 numbuffers; | ||
183 | u32 min_bufsize; | ||
184 | u32 device_bufsize; | ||
185 | }; | ||
186 | |||
187 | #endif /* End of __KERNEL__ */ | ||
188 | /** | ||
189 | * VPFE_CMD_S_CCDC_RAW_PARAMS - EXPERIMENTAL IOCTL to set raw capture params | ||
190 | * This can be used to configure modules such as defect pixel correction, | ||
191 | * color space conversion, culling etc. This is an experimental ioctl that | ||
192 | * will change in future kernels. So use this ioctl with care ! | ||
193 | * TODO: This is to be split into multiple ioctls and also explore the | ||
194 | * possibility of extending the v4l2 api to include this | ||
195 | **/ | ||
196 | #define VPFE_CMD_S_CCDC_RAW_PARAMS _IOW('V', BASE_VIDIOC_PRIVATE + 1, \ | ||
197 | void *) | ||
198 | #endif /* _DAVINCI_VPFE_H */ | ||