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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / media / video / sn9c102 / sn9c102_mt9v111.c
blob95986eb492e4b9b065d95e413ff4e80dd2911954
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
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 <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
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 }