1/*************************************************************************** 2 * Plug-in for TAS5110C1B image sensor connected to the SN9C1xx PC Camera * 3 * Controllers * 4 * * 5 * Copyright (C) 2004-2007 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 25static int tas5110c1b_init(struct sn9c102_device* cam) 26{ 27 int err = 0; 28 29 err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x44, 0x01}, 30 {0x00, 0x10}, {0x00, 0x11}, 31 {0x0a, 0x14}, {0x60, 0x17}, 32 {0x06, 0x18}, {0xfb, 0x19}); 33 34 err += sn9c102_i2c_write(cam, 0xc0, 0x80); 35 36 return err; 37} 38 39 40static int tas5110c1b_set_ctrl(struct sn9c102_device* cam, 41 const struct v4l2_control* ctrl) 42{ 43 int err = 0; 44 45 switch (ctrl->id) { 46 case V4L2_CID_GAIN: 47 err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); 48 break; 49 default: 50 return -EINVAL; 51 } 52 53 return err ? -EIO : 0; 54} 55 56 57static int tas5110c1b_set_crop(struct sn9c102_device* cam, 58 const struct v4l2_rect* rect) 59{ 60 struct sn9c102_sensor* s = sn9c102_get_sensor(cam); 61 int err = 0; 62 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69, 63 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9; 64 65 err += sn9c102_write_reg(cam, h_start, 0x12); 66 err += sn9c102_write_reg(cam, v_start, 0x13); 67 68 /* Don't change ! */ 69 err += sn9c102_write_reg(cam, 0x14, 0x1a); 70 err += sn9c102_write_reg(cam, 0x0a, 0x1b); 71 err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); 72 73 return err; 74} 75 76 77static int tas5110c1b_set_pix_format(struct sn9c102_device* cam, 78 const struct v4l2_pix_format* pix) 79{ 80 int err = 0; 81 82 if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) 83 err += sn9c102_write_reg(cam, 0x2b, 0x19); 84 else 85 err += sn9c102_write_reg(cam, 0xfb, 0x19); 86 87 return err; 88} 89 90 91static const struct sn9c102_sensor tas5110c1b = { 92 .name = "TAS5110C1B", 93 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", 94 .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102, 95 .sysfs_ops = SN9C102_I2C_WRITE, 96 .frequency = SN9C102_I2C_100KHZ, 97 .interface = SN9C102_I2C_3WIRES, 98 .init = &tas5110c1b_init, 99 .qctrl = { 100 { 101 .id = V4L2_CID_GAIN, 102 .type = V4L2_CTRL_TYPE_INTEGER, 103 .name = "global gain", 104 .minimum = 0x00, 105 .maximum = 0xf6, 106 .step = 0x01, 107 .default_value = 0x40, 108 .flags = 0, 109 }, 110 }, 111 .set_ctrl = &tas5110c1b_set_ctrl, 112 .cropcap = { 113 .bounds = { 114 .left = 0, 115 .top = 0, 116 .width = 352, 117 .height = 288, 118 }, 119 .defrect = { 120 .left = 0, 121 .top = 0, 122 .width = 352, 123 .height = 288, 124 }, 125 }, 126 .set_crop = &tas5110c1b_set_crop, 127 .pix_format = { 128 .width = 352, 129 .height = 288, 130 .pixelformat = V4L2_PIX_FMT_SBGGR8, 131 .priv = 8, 132 }, 133 .set_pix_format = &tas5110c1b_set_pix_format 134}; 135 136 137int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam) 138{ 139 const struct usb_device_id tas5110c1b_id_table[] = { 140 { USB_DEVICE(0x0c45, 0x6001), }, 141 { USB_DEVICE(0x0c45, 0x6005), }, 142 { USB_DEVICE(0x0c45, 0x60ab), }, 143 { } 144 }; 145 146 /* Sensor detection is based on USB pid/vid */ 147 if (!sn9c102_match_id(cam, tas5110c1b_id_table)) 148 return -ENODEV; 149 150 sn9c102_attach_sensor(cam, &tas5110c1b); 151 152 return 0; 153} 154