1/*************************************************************************** 2 * Plug-in for MT9V111 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#include "sn9c102_devtable.h" 24 25 26static int mt9v111_init(struct sn9c102_device *cam) 27{ 28 struct sn9c102_sensor *s = sn9c102_get_sensor(cam); 29 int err = 0; 30 31 err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02}, 32 {0x00, 0x03}, {0x1a, 0x04}, 33 {0x1f, 0x05}, {0x20, 0x06}, 34 {0x1f, 0x07}, {0x81, 0x08}, 35 {0x5c, 0x09}, {0x00, 0x0a}, 36 {0x00, 0x0b}, {0x00, 0x0c}, 37 {0x00, 0x0d}, {0x00, 0x0e}, 38 {0x00, 0x0f}, {0x03, 0x10}, 39 {0x00, 0x11}, {0x00, 0x12}, 40 {0x02, 0x13}, {0x14, 0x14}, 41 {0x28, 0x15}, {0x1e, 0x16}, 42 {0xe2, 0x17}, {0x06, 0x18}, 43 {0x00, 0x19}, {0x00, 0x1a}, 44 {0x00, 0x1b}, {0x08, 0x20}, 45 {0x39, 0x21}, {0x51, 0x22}, 46 {0x63, 0x23}, {0x73, 0x24}, 47 {0x82, 0x25}, {0x8f, 0x26}, 48 {0x9b, 0x27}, {0xa7, 0x28}, 49 {0xb1, 0x29}, {0xbc, 0x2a}, 50 {0xc6, 0x2b}, {0xcf, 0x2c}, 51 {0xd8, 0x2d}, {0xe1, 0x2e}, 52 {0xea, 0x2f}, {0xf2, 0x30}, 53 {0x13, 0x84}, {0x00, 0x85}, 54 {0x25, 0x86}, {0x00, 0x87}, 55 {0x07, 0x88}, {0x00, 0x89}, 56 {0xee, 0x8a}, {0x0f, 0x8b}, 57 {0xe5, 0x8c}, {0x0f, 0x8d}, 58 {0x2e, 0x8e}, {0x00, 0x8f}, 59 {0x30, 0x90}, {0x00, 0x91}, 60 {0xd4, 0x92}, {0x0f, 0x93}, 61 {0xfc, 0x94}, {0x0f, 0x95}, 62 {0x14, 0x96}, {0x00, 0x97}, 63 {0x00, 0x98}, {0x60, 0x99}, 64 {0x07, 0x9a}, {0x40, 0x9b}, 65 {0x20, 0x9c}, {0x00, 0x9d}, 66 {0x00, 0x9e}, {0x00, 0x9f}, 67 {0x2d, 0xc0}, {0x2d, 0xc1}, 68 {0x3a, 0xc2}, {0x05, 0xc3}, 69 {0x04, 0xc4}, {0x3f, 0xc5}, 70 {0x00, 0xc6}, {0x00, 0xc7}, 71 {0x50, 0xc8}, {0x3c, 0xc9}, 72 {0x28, 0xca}, {0xd8, 0xcb}, 73 {0x14, 0xcc}, {0xec, 0xcd}, 74 {0x32, 0xce}, {0xdd, 0xcf}, 75 {0x2d, 0xd0}, {0xdd, 0xd1}, 76 {0x6a, 0xd2}, {0x50, 0xd3}, 77 {0x60, 0xd4}, {0x00, 0xd5}, 78 {0x00, 0xd6}); 79 80 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, 81 0x00, 0x01, 0, 0); 82 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d, 83 0x00, 0x01, 0, 0); 84 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d, 85 0x00, 0x00, 0, 0); 86 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08, 87 0x04, 0x80, 0, 0); 88 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, 89 0x00, 0x04, 0, 0); 90 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08, 91 0x00, 0x08, 0, 0); 92 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x02, 93 0x00, 0x16, 0, 0); 94 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03, 95 0x01, 0xe7, 0, 0); 96 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04, 97 0x02, 0x87, 0, 0); 98 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06, 99 0x00, 0x40, 0, 0); 100 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05, 101 0x00, 0x09, 0, 0); 102 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x07, 103 0x30, 0x02, 0, 0); 104 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0c, 105 0x00, 0x00, 0, 0); 106 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x12, 107 0x00, 0xb0, 0, 0); 108 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x13, 109 0x00, 0x7c, 0, 0); 110 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x1e, 111 0x00, 0x00, 0, 0); 112 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20, 113 0x00, 0x00, 0, 0); 114 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20, 115 0x00, 0x00, 0, 0); 116 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, 117 0x00, 0x04, 0, 0); 118 119 return err; 120} 121 122static int mt9v111_get_ctrl(struct sn9c102_device *cam, 123 struct v4l2_control *ctrl) 124{ 125 struct sn9c102_sensor *s = sn9c102_get_sensor(cam); 126 u8 data[2]; 127 int err = 0; 128 129 switch (ctrl->id) { 130 case V4L2_CID_VFLIP: 131 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2, 132 data) < 0) 133 return -EIO; 134 ctrl->value = data[1] & 0x80 ? 1 : 0; 135 return 0; 136 default: 137 return -EINVAL; 138 } 139 140 return err ? -EIO : 0; 141} 142 143static int mt9v111_set_ctrl(struct sn9c102_device *cam, 144 const struct v4l2_control *ctrl) 145{ 146 struct sn9c102_sensor *s = sn9c102_get_sensor(cam); 147 int err = 0; 148 149 switch (ctrl->id) { 150 case V4L2_CID_VFLIP: 151 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 152 0x20, 153 ctrl->value ? 0x80 : 0x00, 154 ctrl->value ? 0x80 : 0x00, 0, 155 0); 156 break; 157 default: 158 return -EINVAL; 159 } 160 161 return err ? -EIO : 0; 162} 163 164static int mt9v111_set_crop(struct sn9c102_device *cam, 165 const struct v4l2_rect *rect) 166{ 167 struct sn9c102_sensor *s = sn9c102_get_sensor(cam); 168 int err = 0; 169 u8 v_start = (u8) (rect->top - s->cropcap.bounds.top) + 2; 170 171 err += sn9c102_write_reg(cam, v_start, 0x13); 172 173 return err; 174} 175 176static int mt9v111_set_pix_format(struct sn9c102_device *cam, 177 const struct v4l2_pix_format *pix) 178{ 179 int err = 0; 180 181 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { 182 err += sn9c102_write_reg(cam, 0xb4, 0x17); 183 } else { 184 err += sn9c102_write_reg(cam, 0xe2, 0x17); 185 } 186 187 return err; 188} 189 190 191static const struct sn9c102_sensor mt9v111 = { 192 .name = "MT9V111", 193 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", 194 .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120, 195 .frequency = SN9C102_I2C_100KHZ, 196 .interface = SN9C102_I2C_2WIRES, 197 .i2c_slave_id = 0x5c, 198 .init = &mt9v111_init, 199 .qctrl = { 200 { 201 .id = V4L2_CID_VFLIP, 202 .type = V4L2_CTRL_TYPE_BOOLEAN, 203 .name = "vertical mirror", 204 .minimum = 0, 205 .maximum = 1, 206 .step = 1, 207 .default_value = 0, 208 .flags = 0, 209 }, 210 }, 211 .get_ctrl = &mt9v111_get_ctrl, 212 .set_ctrl = &mt9v111_set_ctrl, 213 .cropcap = { 214 .bounds = { 215 .left = 0, 216 .top = 0, 217 .width = 640, 218 .height = 480, 219 }, 220 .defrect = { 221 .left = 0, 222 .top = 0, 223 .width = 640, 224 .height = 480, 225 }, 226 }, 227 .set_crop = &mt9v111_set_crop, 228 .pix_format = { 229 .width = 640, 230 .height = 480, 231 .pixelformat = V4L2_PIX_FMT_SBGGR8, 232 .priv = 8, 233 }, 234 .set_pix_format = &mt9v111_set_pix_format 235}; 236 237 238int sn9c102_probe_mt9v111(struct sn9c102_device *cam) 239{ 240 u8 data[2]; 241 int err = 0; 242 243 err += sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1}, 244 {0x29, 0x01}, {0x42, 0x17}, 245 {0x62, 0x17}, {0x08, 0x01}); 246 err += sn9c102_i2c_try_raw_write(cam, &mt9v111, 4, 247 mt9v111.i2c_slave_id, 0x01, 0x00, 248 0x04, 0, 0); 249 if (err || sn9c102_i2c_try_raw_read(cam, &mt9v111, 250 mt9v111.i2c_slave_id, 0x36, 2, 251 data) < 0) 252 return -EIO; 253 254 if (data[0] != 0x82 || data[1] != 0x3a) 255 return -ENODEV; 256 257 sn9c102_attach_sensor(cam, &mt9v111); 258 259 return 0; 260} 261