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1 /*
2  * Copyright (C) 2012 Texas Instruments Inc
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation version 2.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
16  *
17  * Contributors:
18  *      Manjunath Hadli <manjunath.hadli@ti.com>
19  *      Prabhakar Lad <prabhakar.lad@ti.com>
20  */
21 
22 #ifndef _VPFE_H
23 #define _VPFE_H
24 
25 #ifdef __KERNEL__
26 #include <linux/v4l2-subdev.h>
27 #include <linux/clk.h>
28 #include <linux/i2c.h>
29 
30 #include <media/davinci/vpfe_types.h>
31 
32 #define CAPTURE_DRV_NAME	"vpfe-capture"
33 
34 struct vpfe_route {
35 	__u32 input;
36 	__u32 output;
37 };
38 
39 enum vpfe_subdev_id {
40 	VPFE_SUBDEV_TVP5146 = 1,
41 	VPFE_SUBDEV_MT9T031 = 2,
42 	VPFE_SUBDEV_TVP7002 = 3,
43 	VPFE_SUBDEV_MT9P031 = 4,
44 };
45 
46 struct vpfe_ext_subdev_info {
47 	/* v4l2 subdev */
48 	struct v4l2_subdev *subdev;
49 	/* Sub device module name */
50 	char module_name[32];
51 	/* Sub device group id */
52 	int grp_id;
53 	/* Number of inputs supported */
54 	int num_inputs;
55 	/* inputs available at the sub device */
56 	struct v4l2_input *inputs;
57 	/* Sub dev routing information for each input */
58 	struct vpfe_route *routes;
59 	/* ccdc bus/interface configuration */
60 	struct vpfe_hw_if_param ccdc_if_params;
61 	/* i2c subdevice board info */
62 	struct i2c_board_info board_info;
63 	/* Is this a camera sub device ? */
64 	unsigned is_camera:1;
65 	/* check if sub dev supports routing */
66 	unsigned can_route:1;
67 	/* registered ? */
68 	unsigned registered:1;
69 };
70 
71 struct vpfe_config {
72 	/* Number of sub devices connected to vpfe */
73 	int num_subdevs;
74 	/* information about each subdev */
75 	struct vpfe_ext_subdev_info *sub_devs;
76 	/* evm card info */
77 	char *card_name;
78 	/* setup function for the input path */
79 	int (*setup_input)(enum vpfe_subdev_id id);
80 	/* number of clocks */
81 	int num_clocks;
82 	/* clocks used for vpfe capture */
83 	char *clocks[];
84 };
85 #endif
86 #endif
87