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 24 25static int tas5130d1b_init(struct sn9c102_device* cam) 26{ 27 int err; 28 29 err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x20, 0x17}, 30 {0x04, 0x01}, {0x01, 0x10}, 31 {0x00, 0x11}, {0x00, 0x14}, 32 {0x60, 0x17}, {0x07, 0x18}); 33 34 return err; 35} 36 37 38static int tas5130d1b_set_ctrl(struct sn9c102_device* cam, 39 const struct v4l2_control* ctrl) 40{ 41 int err = 0; 42 43 switch (ctrl->id) { 44 case V4L2_CID_GAIN: 45 err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); 46 break; 47 case V4L2_CID_EXPOSURE: 48 err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value); 49 break; 50 default: 51 return -EINVAL; 52 } 53 54 return err ? -EIO : 0; 55} 56 57 58static int tas5130d1b_set_crop(struct sn9c102_device* cam, 59 const struct v4l2_rect* rect) 60{ 61 struct sn9c102_sensor* s = sn9c102_get_sensor(cam); 62 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104, 63 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12; 64 int err = 0; 65 66 err += sn9c102_write_reg(cam, h_start, 0x12); 67 err += sn9c102_write_reg(cam, v_start, 0x13); 68 69 /* Do NOT change! */ 70 err += sn9c102_write_reg(cam, 0x1f, 0x1a); 71 err += sn9c102_write_reg(cam, 0x1a, 0x1b); 72 err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); 73 74 return err; 75} 76 77 78static int tas5130d1b_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, 0x63, 0x19); 85 else 86 err += sn9c102_write_reg(cam, 0xf3, 0x19); 87 88 return err; 89} 90 91 92static const struct sn9c102_sensor tas5130d1b = { 93 .name = "TAS5130D1B", 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 = &tas5130d1b_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 = 0x02, 108 .default_value = 0x00, 109 .flags = 0, 110 }, 111 { 112 .id = V4L2_CID_EXPOSURE, 113 .type = V4L2_CTRL_TYPE_INTEGER, 114 .name = "exposure", 115 .minimum = 0x00, 116 .maximum = 0x47, 117 .step = 0x01, 118 .default_value = 0x00, 119 .flags = 0, 120 }, 121 }, 122 .set_ctrl = &tas5130d1b_set_ctrl, 123 .cropcap = { 124 .bounds = { 125 .left = 0, 126 .top = 0, 127 .width = 640, 128 .height = 480, 129 }, 130 .defrect = { 131 .left = 0, 132 .top = 0, 133 .width = 640, 134 .height = 480, 135 }, 136 }, 137 .set_crop = &tas5130d1b_set_crop, 138 .pix_format = { 139 .width = 640, 140 .height = 480, 141 .pixelformat = V4L2_PIX_FMT_SBGGR8, 142 .priv = 8, 143 }, 144 .set_pix_format = &tas5130d1b_set_pix_format 145}; 146 147 148int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam) 149{ 150 const struct usb_device_id tas5130d1b_id_table[] = { 151 { USB_DEVICE(0x0c45, 0x6024), }, 152 { USB_DEVICE(0x0c45, 0x6025), }, 153 { USB_DEVICE(0x0c45, 0x60aa), }, 154 { } 155 }; 156 157 /* Sensor detection is based on USB pid/vid */ 158 if (!sn9c102_match_id(cam, tas5130d1b_id_table)) 159 return -ENODEV; 160 161 sn9c102_attach_sensor(cam, &tas5130d1b); 162 163 return 0; 164} 165