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;
  28
  29         err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x04, 0x01},
  30                                        {0x0a, 0x14}, {0x60, 0x17},
  31                                        {0x06, 0x18}, {0xfb, 0x19});
  32
  33         err += sn9c102_i2c_write(cam, 0x9a, 0xca);
  34
  35         return err;
  36 }
  37
  38
  39 static int tas5110d_set_crop(struct sn9c102_device* cam,
  40                              const struct v4l2_rect* rect)
  41 {
  42         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
  43         int err = 0;
  44         u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
  45            v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
  46
  47         err += sn9c102_write_reg(cam, h_start, 0x12);
  48         err += sn9c102_write_reg(cam, v_start, 0x13);
  49
  50         err += sn9c102_write_reg(cam, 0x14, 0x1a);
  51         err += sn9c102_write_reg(cam, 0x0a, 0x1b);
  52
  53         return err;
  54 }
  55
  56
  57 static int tas5110d_set_pix_format(struct sn9c102_device* cam,
  58                                      const struct v4l2_pix_format* pix)
  59 {
  60         int err = 0;
  61
  62         if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
  63                 err += sn9c102_write_reg(cam, 0x3b, 0x19);
  64         else
  65                 err += sn9c102_write_reg(cam, 0xfb, 0x19);
  66
  67         return err;
  68 }
  69
  70
  71 static const struct sn9c102_sensor tas5110d = {
  72         .name = "TAS5110D",
  73         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
  74         .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
  75         .sysfs_ops = SN9C102_I2C_WRITE,
  76         .frequency = SN9C102_I2C_100KHZ,
  77         .interface = SN9C102_I2C_2WIRES,
  78         .i2c_slave_id = 0x61,
  79         .init = &tas5110d_init,
  80         .cropcap = {
  81                 .bounds = {
  82                         .left = 0,
  83                         .top = 0,
  84                         .width = 352,
  85                         .height = 288,
  86                 },
  87                 .defrect = {
  88                         .left = 0,
  89                         .top = 0,
  90                         .width = 352,
  91                         .height = 288,
  92                 },
  93         },
  94         .set_crop = &tas5110d_set_crop,
  95         .pix_format = {
  96                 .width = 352,
  97                 .height = 288,
  98                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
  99                 .priv = 8,
 100         },
 101         .set_pix_format = &tas5110d_set_pix_format
 102 };
 103
 104
 105 int sn9c102_probe_tas5110d(struct sn9c102_device* cam)
 106 {
 107         const struct usb_device_id tas5110d_id_table[] = {
 108                 { USB_DEVICE(0x0c45, 0x6007), },
 109                 { }
 110         };
 111
 112         if (!sn9c102_match_id(cam, tas5110d_id_table))
 113                 return -ENODEV;
 114
 115         sn9c102_attach_sensor(cam, &tas5110d);
 116
 117         return 0;
 118 }