drivers/usb/media/sn9c102_tas5110c1b.c

   1 /***************************************************************************
   2  * Driver for TAS5110C1B image sensor connected to the SN9C10[12] PC       *
   3  * Camera Controllers                                                      *
   4  *                                                                         *
   5  * Copyright (C) 2004 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
  24
  25 static struct sn9c102_sensor tas5110c1b;
  26
  27
  28 static int tas5110c1b_init(struct sn9c102_device* cam)
  29 {
  30         int err = 0;
  31
  32         err += sn9c102_write_reg(cam, 0x01, 0x01);
  33         err += sn9c102_write_reg(cam, 0x44, 0x01);
  34         err += sn9c102_write_reg(cam, 0x00, 0x10);
  35         err += sn9c102_write_reg(cam, 0x00, 0x11);
  36         err += sn9c102_write_reg(cam, 0x00, 0x14);
  37         err += sn9c102_write_reg(cam, 0x60, 0x17);
  38         err += sn9c102_write_reg(cam, 0x06, 0x18);
  39         err += sn9c102_write_reg(cam, 0xcb, 0x19);
  40
  41         return err;
  42 }
  43
  44
  45 static int tas5110c1b_set_crop(struct sn9c102_device* cam,
  46                                const struct v4l2_rect* rect)
  47 {
  48         struct sn9c102_sensor* s = &tas5110c1b;
  49         int err = 0;
  50         u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
  51            v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
  52
  53         err += sn9c102_write_reg(cam, h_start, 0x12);
  54         err += sn9c102_write_reg(cam, v_start, 0x13);
  55
  56         return err;
  57 }
  58
  59
  60 static struct sn9c102_sensor tas5110c1b = {
  61         .name = "TAS5110C1B",
  62         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
  63         .init = &tas5110c1b_init,
  64         .cropcap = {
  65                 .bounds = {
  66                         .left = 0,
  67                         .top = 0,
  68                         .width = 352,
  69                         .height = 288,
  70                 },
  71                 .defrect = {
  72                         .left = 0,
  73                         .top = 0,
  74                         .width = 352,
  75                         .height = 288,
  76                 },
  77         },
  78         .set_crop = &tas5110c1b_set_crop,
  79         .pix_format = {
  80                 .width = 352,
  81                 .height = 288,
  82                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
  83                 .priv = 8,
  84         }
  85 };
  86
  87
  88 int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam)
  89 {
  90         /* This sensor has no identifiers, so let's attach it anyway */
  91         sn9c102_attach_sensor(cam, &tas5110c1b);
  92
  93         /* At the moment, only devices whose PID is 0x6005 have this sensor */
  94         if (tas5110c1b.usbdev->descriptor.idProduct != 0x6005)
  95                 return -ENODEV;
  96
  97         return 0;
  98 }