LXR linux/drivers/media/video/sn9c102/sn9c102

   1/***************************************************************************
   2 * Plug-in for TAS5110D image sensor connected to the SN9C1xx PC Camera    *
   3 * Controllers                                                             *
   4 *                                                                         *
   5 * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it>       *
   6 *                                                                         *
   7 * This program is free software; you can redistribute it and/or modify    *
   8 * it under the terms of the GNU General Public License as published by    *
   9 * the Free Software Foundation; either version 2 of the License, or       *
  10 * (at your option) any later version.                                     *
  11 *                                                                         *
  12 * This program is distributed in the hope that it will be useful,         *
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  15 * GNU General Public License for more details.                            *
  16 *                                                                         *
  17 * You should have received a copy of the GNU General Public License       *
  18 * along with this program; if not, write to the Free Software             *
  19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
  20 ***************************************************************************/
  21
  22#include "sn9c102_sensor.h"
  23#include "sn9c102_devtable.h"
  24
  25
  26static int tas5110d_init(struct sn9c102_device* cam)
  27{
  28        int err;
  29
  30        err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x04, 0x01},
  31                                       {0x0a, 0x14}, {0x60, 0x17},
  32                                       {0x06, 0x18}, {0xfb, 0x19});
  33
  34        err += sn9c102_i2c_write(cam, 0x9a, 0xca);
  35
  36        return err;
  37}
  38
  39
  40static int tas5110d_set_crop(struct sn9c102_device* cam,
  41                             const struct v4l2_rect* rect)
  42{
  43        struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
  44        int err = 0;
  45        u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
  46           v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
  47
  48        err += sn9c102_write_reg(cam, h_start, 0x12);
  49        err += sn9c102_write_reg(cam, v_start, 0x13);
  50
  51        err += sn9c102_write_reg(cam, 0x14, 0x1a);
  52        err += sn9c102_write_reg(cam, 0x0a, 0x1b);
  53
  54        return err;
  55}
  56
  57
  58static int tas5110d_set_pix_format(struct sn9c102_device* cam,
  59                                     const struct v4l2_pix_format* pix)
  60{
  61        int err = 0;
  62
  63        if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
  64                err += sn9c102_write_reg(cam, 0x3b, 0x19);
  65        else
  66                err += sn9c102_write_reg(cam, 0xfb, 0x19);
  67
  68        return err;
  69}
  70
  71
  72static const struct sn9c102_sensor tas5110d = {
  73        .name = "TAS5110D",
  74        .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
  75        .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
  76        .sysfs_ops = SN9C102_I2C_WRITE,
  77        .frequency = SN9C102_I2C_100KHZ,
  78        .interface = SN9C102_I2C_2WIRES,
  79        .i2c_slave_id = 0x61,
  80        .init = &tas5110d_init,
  81        .cropcap = {
  82                .bounds = {
  83                        .left = 0,
  84                        .top = 0,
  85                        .width = 352,
  86                        .height = 288,
  87                },
  88                .defrect = {
  89                        .left = 0,
  90                        .top = 0,
  91                        .width = 352,
  92                        .height = 288,
  93                },
  94        },
  95        .set_crop = &tas5110d_set_crop,
  96        .pix_format = {
  97                .width = 352,
  98                .height = 288,
  99                .pixelformat = V4L2_PIX_FMT_SBGGR8,
 100                .priv = 8,
 101        },
 102        .set_pix_format = &tas5110d_set_pix_format
 103};
 104
 105
 106int sn9c102_probe_tas5110d(struct sn9c102_device* cam)
 107{
 108        const struct usb_device_id tas5110d_id_table[] = {
 109                { USB_DEVICE(0x0c45, 0x6007), },
 110                { }
 111        };
 112
 113        if (!sn9c102_match_id(cam, tas5110d_id_table))
 114                return -ENODEV;
 115
 116        sn9c102_attach_sensor(cam, &tas5110d);
 117
 118        return 0;
 119}
 120