1/*************************************************************************** 2 * Plug-in for TAS5130D1B 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 tas5130d1b_init(struct sn9c102_device* cam) 27{ 28 int err; 29 30 err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x20, 0x17}, 31 {0x04, 0x01}, {0x01, 0x10}, 32 {0x00, 0x11}, {0x00, 0x14}, 33 {0x60, 0x17}, {0x07, 0x18}); 34 35 return err; 36} 37 38 39static int tas5130d1b_set_ctrl(struct sn9c102_device* cam, 40 const struct v4l2_control* ctrl) 41{ 42 int err = 0; 43 44 switch (ctrl->id) { 45 case V4L2_CID_GAIN: 46 err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); 47 break; 48 case V4L2_CID_EXPOSURE: 49 err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value); 50 break; 51 default: 52 return -EINVAL; 53 } 54 55 return err ? -EIO : 0; 56} 57 58 59static int tas5130d1b_set_crop(struct sn9c102_device* cam, 60 const struct v4l2_rect* rect) 61{ 62 struct sn9c102_sensor* s = sn9c102_get_sensor(cam); 63 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104, 64 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12; 65 int err = 0; 66 67 err += sn9c102_write_reg(cam, h_start, 0x12); 68 err += sn9c102_write_reg(cam, v_start, 0x13); 69 70 /* Do NOT change! */ 71 err += sn9c102_write_reg(cam, 0x1f, 0x1a); 72 err += sn9c102_write_reg(cam, 0x1a, 0x1b); 73 err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); 74 75 return err; 76} 77 78 79static int tas5130d1b_set_pix_format(struct sn9c102_device* cam, 80 const struct v4l2_pix_format* pix) 81{ 82 int err = 0; 83 84 if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) 85 err += sn9c102_write_reg(cam, 0x63, 0x19); 86 else 87 err += sn9c102_write_reg(cam, 0xf3, 0x19); 88 89 return err; 90} 91 92 93static const struct sn9c102_sensor tas5130d1b = { 94 .name = "TAS5130D1B", 95 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", 96 .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102, 97 .sysfs_ops = SN9C102_I2C_WRITE, 98 .frequency = SN9C102_I2C_100KHZ, 99 .interface = SN9C102_I2C_3WIRES, 100 .init = &tas5130d1b_init, 101 .qctrl = { 102 { 103 .id = V4L2_CID_GAIN, 104 .type = V4L2_CTRL_TYPE_INTEGER, 105 .name = "global gain", 106 .minimum = 0x00, 107 .maximum = 0xf6, 108 .step = 0x02, 109 .default_value = 0x00, 110 .flags = 0, 111 }, 112 { 113 .id = V4L2_CID_EXPOSURE, 114 .type = V4L2_CTRL_TYPE_INTEGER, 115 .name = "exposure", 116 .minimum = 0x00, 117 .maximum = 0x47, 118 .step = 0x01, 119 .default_value = 0x00, 120 .flags = 0, 121 }, 122 }, 123 .set_ctrl = &tas5130d1b_set_ctrl, 124 .cropcap = { 125 .bounds = { 126 .left = 0, 127 .top = 0, 128 .width = 640, 129 .height = 480, 130 }, 131 .defrect = { 132 .left = 0, 133 .top = 0, 134 .width = 640, 135 .height = 480, 136 }, 137 }, 138 .set_crop = &tas5130d1b_set_crop, 139 .pix_format = { 140 .width = 640, 141 .height = 480, 142 .pixelformat = V4L2_PIX_FMT_SBGGR8, 143 .priv = 8, 144 }, 145 .set_pix_format = &tas5130d1b_set_pix_format 146}; 147 148 149int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam) 150{ 151 const struct usb_device_id tas5130d1b_id_table[] = { 152 { USB_DEVICE(0x0c45, 0x6024), }, 153 { USB_DEVICE(0x0c45, 0x6025), }, 154 { USB_DEVICE(0x0c45, 0x60aa), }, 155 { } 156 }; 157 158 /* Sensor detection is based on USB pid/vid */ 159 if (!sn9c102_match_id(cam, tas5130d1b_id_table)) 160 return -ENODEV; 161 162 sn9c102_attach_sensor(cam, &tas5130d1b); 163 164 return 0; 165} 166