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sn9c102_mt9v111.c
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1 /***************************************************************************
2  * Plug-in for MT9V111 image sensor connected to the SN9C1xx PC Camera *
3  * Controllers *
4  * *
5  * Copyright (C) 2007 by Luca Risolia <[email protected]> *
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 
26 static 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 
122 static 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 
143 static 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 
164 static 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 
176 static 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 
191 static const struct sn9c102_sensor mt9v111 = {
192  .name = "MT9V111",
193  .maintainer = "Luca Risolia <[email protected]>",
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 
238 int 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 }
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