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#include "sn9c102_devtable.h" 24 25 26static int tas5110c1b_init(struct sn9c102_device* cam) 27{ 28 int err = 0; 29 30 err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x44, 0x01}, 31 {0x00, 0x10}, {0x00, 0x11}, 32 {0x0a, 0x14}, {0x60, 0x17}, 33 {0x06, 0x18}, {0xfb, 0x19}); 34 35 err += sn9c102_i2c_write(cam, 0xc0, 0x80); 36 37 return err; 38} 39 40 41static int tas5110c1b_set_ctrl(struct sn9c102_device* cam, 42 const struct v4l2_control* ctrl) 43{ 44 int err = 0; 45 46 switch (ctrl->id) { 47 case V4L2_CID_GAIN: 48 err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); 49 break; 50 default: 51 return -EINVAL; 52 } 53 54 return err ? -EIO : 0; 55} 56 57 58static int tas5110c1b_set_crop(struct sn9c102_device* cam, 59 const struct v4l2_rect* rect) 60{ 61 struct sn9c102_sensor* s = sn9c102_get_sensor(cam); 62 int err = 0; 63 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69, 64 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9; 65 66 err += sn9c102_write_reg(cam, h_start, 0x12); 67 err += sn9c102_write_reg(cam, v_start, 0x13); 68 69 /* Don't change ! */ 70 err += sn9c102_write_reg(cam, 0x14, 0x1a); 71 err += sn9c102_write_reg(cam, 0x0a, 0x1b); 72 err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); 73 74 return err; 75} 76 77 78static int tas5110c1b_set_pix_format(struct sn9c102_device* cam, 79 const struct v4l2_pix_format* pix) 80{ 81 int err = 0; 82 83 if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) 84 err += sn9c102_write_reg(cam, 0x2b, 0x19); 85 else 86 err += sn9c102_write_reg(cam, 0xfb, 0x19); 87 88 return err; 89} 90 91 92static const struct sn9c102_sensor tas5110c1b = { 93 .name = "TAS5110C1B", 94 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", 95 .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102, 96 .sysfs_ops = SN9C102_I2C_WRITE, 97 .frequency = SN9C102_I2C_100KHZ, 98 .interface = SN9C102_I2C_3WIRES, 99 .init = &tas5110c1b_init, 100 .qctrl = { 101 { 102 .id = V4L2_CID_GAIN, 103 .type = V4L2_CTRL_TYPE_INTEGER, 104 .name = "global gain", 105 .minimum = 0x00, 106 .maximum = 0xf6, 107 .step = 0x01, 108 .default_value = 0x40, 109 .flags = 0, 110 }, 111 }, 112 .set_ctrl = &tas5110c1b_set_ctrl, 113 .cropcap = { 114 .bounds = { 115 .left = 0, 116 .top = 0, 117 .width = 352, 118 .height = 288, 119 }, 120 .defrect = { 121 .left = 0, 122 .top = 0, 123 .width = 352, 124 .height = 288, 125 }, 126 }, 127 .set_crop = &tas5110c1b_set_crop, 128 .pix_format = { 129 .width = 352, 130 .height = 288, 131 .pixelformat = V4L2_PIX_FMT_SBGGR8, 132 .priv = 8, 133 }, 134 .set_pix_format = &tas5110c1b_set_pix_format 135}; 136 137 138int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam) 139{ 140 const struct usb_device_id tas5110c1b_id_table[] = { 141 { USB_DEVICE(0x0c45, 0x6001), }, 142 { USB_DEVICE(0x0c45, 0x6005), }, 143 { USB_DEVICE(0x0c45, 0x60ab), }, 144 { } 145 }; 146 147 /* Sensor detection is based on USB pid/vid */ 148 if (!sn9c102_match_id(cam, tas5110c1b_id_table)) 149 return -ENODEV; 150 151 sn9c102_attach_sensor(cam, &tas5110c1b); 152 153 return 0; 154} 155