LXR linux/drivers/staging/media/davinci

   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
  34struct vpfe_route {
  35        __u32 input;
  36        __u32 output;
  37};
  38
  39enum 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
  46struct 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
  71struct 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