drivers/media/video/sn9c102/sn9c102_tas5110d.c

   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
  24
  25 static int tas5110d_init(struct sn9c102_device* cam)
  26 {
  27         int err = 0;
  28
  29         err += sn9c102_write_reg(cam, 0x01, 0x01);
  30         err += sn9c102_write_reg(cam, 0x04, 0x01);
  31         err += sn9c102_write_reg(cam, 0x0a, 0x14);
  32         err += sn9c102_write_reg(cam, 0x60, 0x17);
  33         err += sn9c102_write_reg(cam, 0x06, 0x18);
  34         err += sn9c102_write_reg(cam, 0xfb, 0x19);
  35
  36         err += sn9c102_i2c_write(cam, 0x9a, 0xca);
  37
  38         return err;
  39 }
  40
  41
  42 static int tas5110d_set_crop(struct sn9c102_device* cam,
  43                              const struct v4l2_rect* rect)
  44 {
  45         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
  46         int err = 0;
  47         u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
  48            v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
  49
  50         err += sn9c102_write_reg(cam, h_start, 0x12);
  51         err += sn9c102_write_reg(cam, v_start, 0x13);
  52
  53         err += sn9c102_write_reg(cam, 0x14, 0x1a);
  54         err += sn9c102_write_reg(cam, 0x0a, 0x1b);
  55
  56         return err;
  57 }
  58
  59
  60 static int tas5110d_set_pix_format(struct sn9c102_device* cam,
  61                                      const struct v4l2_pix_format* pix)
  62 {
  63         int err = 0;
  64
  65         if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
  66                 err += sn9c102_write_reg(cam, 0x3b, 0x19);
  67         else
  68                 err += sn9c102_write_reg(cam, 0xfb, 0x19);
  69
  70         return err;
  71 }
  72
  73
  74 static struct sn9c102_sensor tas5110d = {
  75         .name = "TAS5110D",
  76         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
  77         .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
  78         .sysfs_ops = SN9C102_I2C_WRITE,
  79         .frequency = SN9C102_I2C_100KHZ,
  80         .interface = SN9C102_I2C_2WIRES,
  81         .i2c_slave_id = 0x61,
  82         .init = &tas5110d_init,
  83         .cropcap = {
  84                 .bounds = {
  85                         .left = 0,
  86                         .top = 0,
  87                         .width = 352,
  88                         .height = 288,
  89                 },
  90                 .defrect = {
  91                         .left = 0,
  92                         .top = 0,
  93                         .width = 352,
  94                         .height = 288,
  95                 },
  96         },
  97         .set_crop = &tas5110d_set_crop,
  98         .pix_format = {
  99                 .width = 352,
 100                 .height = 288,
 101                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
 102                 .priv = 8,
 103         },
 104         .set_pix_format = &tas5110d_set_pix_format
 105 };
 106
 107
 108 int sn9c102_probe_tas5110d(struct sn9c102_device* cam)
 109 {
 110         const struct usb_device_id tas5110d_id_table[] = {
 111                 { USB_DEVICE(0x0c45, 0x6007), },
 112                 { }
 113         };
 114
 115         if (!sn9c102_match_id(cam, tas5110d_id_table))
 116                 return -ENODEV;
 117
 118         sn9c102_attach_sensor(cam, &tas5110d);
 119
 120         return 0;
 121 }