diff options
author | Sergio Aguirre <sergio.a.aguirre@gmail.com> | 2011-01-24 13:48:19 -0500 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-12-03 14:21:04 -0500 |
commit | 59f0ad8076816d13f7cba80d2b178ff5ab787e2e (patch) | |
tree | 1b89f8bb0c4b7b94e4f8d1344af6433425bad704 /include/media | |
parent | 646959059c56374896010fb245bec5338cbac44d (diff) |
[media] v4l: omap4iss: Add support for OMAP4 camera interface - Core
This adds a very simplistic driver to utilize the CSI2A interface inside
the ISS subsystem in OMAP4, and dump the data to memory.
Check Documentation/video4linux/omap4_camera.txt for details.
This commit adds the driver core, registers definitions and
documentation.
Signed-off-by: Sergio Aguirre <sergio.a.aguirre@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media')
-rw-r--r-- | include/media/omap4iss.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/media/omap4iss.h b/include/media/omap4iss.h new file mode 100644 index 000000000000..0d7620db5e32 --- /dev/null +++ b/include/media/omap4iss.h | |||
@@ -0,0 +1,65 @@ | |||
1 | #ifndef ARCH_ARM_PLAT_OMAP4_ISS_H | ||
2 | #define ARCH_ARM_PLAT_OMAP4_ISS_H | ||
3 | |||
4 | #include <linux/i2c.h> | ||
5 | |||
6 | struct iss_device; | ||
7 | |||
8 | enum iss_interface_type { | ||
9 | ISS_INTERFACE_CSI2A_PHY1, | ||
10 | ISS_INTERFACE_CSI2B_PHY2, | ||
11 | }; | ||
12 | |||
13 | /** | ||
14 | * struct iss_csiphy_lane: CSI2 lane position and polarity | ||
15 | * @pos: position of the lane | ||
16 | * @pol: polarity of the lane | ||
17 | */ | ||
18 | struct iss_csiphy_lane { | ||
19 | u8 pos; | ||
20 | u8 pol; | ||
21 | }; | ||
22 | |||
23 | #define ISS_CSIPHY1_NUM_DATA_LANES 4 | ||
24 | #define ISS_CSIPHY2_NUM_DATA_LANES 1 | ||
25 | |||
26 | /** | ||
27 | * struct iss_csiphy_lanes_cfg - CSI2 lane configuration | ||
28 | * @data: Configuration of one or two data lanes | ||
29 | * @clk: Clock lane configuration | ||
30 | */ | ||
31 | struct iss_csiphy_lanes_cfg { | ||
32 | struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES]; | ||
33 | struct iss_csiphy_lane clk; | ||
34 | }; | ||
35 | |||
36 | /** | ||
37 | * struct iss_csi2_platform_data - CSI2 interface platform data | ||
38 | * @crc: Enable the cyclic redundancy check | ||
39 | * @vpclk_div: Video port output clock control | ||
40 | */ | ||
41 | struct iss_csi2_platform_data { | ||
42 | unsigned crc:1; | ||
43 | unsigned vpclk_div:2; | ||
44 | struct iss_csiphy_lanes_cfg lanecfg; | ||
45 | }; | ||
46 | |||
47 | struct iss_subdev_i2c_board_info { | ||
48 | struct i2c_board_info *board_info; | ||
49 | int i2c_adapter_id; | ||
50 | }; | ||
51 | |||
52 | struct iss_v4l2_subdevs_group { | ||
53 | struct iss_subdev_i2c_board_info *subdevs; | ||
54 | enum iss_interface_type interface; | ||
55 | union { | ||
56 | struct iss_csi2_platform_data csi2; | ||
57 | } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */ | ||
58 | }; | ||
59 | |||
60 | struct iss_platform_data { | ||
61 | struct iss_v4l2_subdevs_group *subdevs; | ||
62 | void (*set_constraints)(struct iss_device *iss, bool enable); | ||
63 | }; | ||
64 | |||
65 | #endif | ||