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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / media / video / sn9c102 / sn9c102_mt9v111.c
blob3b98ac3bbc38013a8276202a1ae89db8c3d425ae
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
24
25 static int mt9v111_init(struct sn9c102_device *cam)
26 {
27 struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
28 int err = 0;
29
30 err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
31 {0x00, 0x03}, {0x1a, 0x04},
32 {0x1f, 0x05}, {0x20, 0x06},
33 {0x1f, 0x07}, {0x81, 0x08},
34 {0x5c, 0x09}, {0x00, 0x0a},
35 {0x00, 0x0b}, {0x00, 0x0c},
36 {0x00, 0x0d}, {0x00, 0x0e},
37 {0x00, 0x0f}, {0x03, 0x10},
38 {0x00, 0x11}, {0x00, 0x12},
39 {0x02, 0x13}, {0x14, 0x14},
40 {0x28, 0x15}, {0x1e, 0x16},
41 {0xe2, 0x17}, {0x06, 0x18},
42 {0x00, 0x19}, {0x00, 0x1a},
43 {0x00, 0x1b}, {0x08, 0x20},
44 {0x39, 0x21}, {0x51, 0x22},
45 {0x63, 0x23}, {0x73, 0x24},
46 {0x82, 0x25}, {0x8f, 0x26},
47 {0x9b, 0x27}, {0xa7, 0x28},
48 {0xb1, 0x29}, {0xbc, 0x2a},
49 {0xc6, 0x2b}, {0xcf, 0x2c},
50 {0xd8, 0x2d}, {0xe1, 0x2e},
51 {0xea, 0x2f}, {0xf2, 0x30},
52 {0x13, 0x84}, {0x00, 0x85},
53 {0x25, 0x86}, {0x00, 0x87},
54 {0x07, 0x88}, {0x00, 0x89},
55 {0xee, 0x8a}, {0x0f, 0x8b},
56 {0xe5, 0x8c}, {0x0f, 0x8d},
57 {0x2e, 0x8e}, {0x00, 0x8f},
58 {0x30, 0x90}, {0x00, 0x91},
59 {0xd4, 0x92}, {0x0f, 0x93},
60 {0xfc, 0x94}, {0x0f, 0x95},
61 {0x14, 0x96}, {0x00, 0x97},
62 {0x00, 0x98}, {0x60, 0x99},
63 {0x07, 0x9a}, {0x40, 0x9b},
64 {0x20, 0x9c}, {0x00, 0x9d},
65 {0x00, 0x9e}, {0x00, 0x9f},
66 {0x2d, 0xc0}, {0x2d, 0xc1},
67 {0x3a, 0xc2}, {0x05, 0xc3},
68 {0x04, 0xc4}, {0x3f, 0xc5},
69 {0x00, 0xc6}, {0x00, 0xc7},
70 {0x50, 0xc8}, {0x3c, 0xc9},
71 {0x28, 0xca}, {0xd8, 0xcb},
72 {0x14, 0xcc}, {0xec, 0xcd},
73 {0x32, 0xce}, {0xdd, 0xcf},
74 {0x2d, 0xd0}, {0xdd, 0xd1},
75 {0x6a, 0xd2}, {0x50, 0xd3},
76 {0x60, 0xd4}, {0x00, 0xd5},
77 {0x00, 0xd6});
78
79 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
80 0x00, 0x01, 0, 0);
81 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
82 0x00, 0x01, 0, 0);
83 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
84 0x00, 0x00, 0, 0);
85 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
86 0x04, 0x80, 0, 0);
87 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
88 0x00, 0x04, 0, 0);
89 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08,
90 0x00, 0x08, 0, 0);
91 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x02,
92 0x00, 0x16, 0, 0);
93 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03,
94 0x01, 0xe7, 0, 0);
95 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
96 0x02, 0x87, 0, 0);
97 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
98 0x00, 0x40, 0, 0);
99 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
100 0x00, 0x09, 0, 0);
101 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x07,
102 0x30, 0x02, 0, 0);
103 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0c,
104 0x00, 0x00, 0, 0);
105 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x12,
106 0x00, 0xb0, 0, 0);
107 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x13,
108 0x00, 0x7c, 0, 0);
109 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x1e,
110 0x00, 0x00, 0, 0);
111 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
112 0x00, 0x00, 0, 0);
113 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20,
114 0x00, 0x00, 0, 0);
115 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01,
116 0x00, 0x04, 0, 0);
117
118 return err;
119 }
120
121 static int mt9v111_get_ctrl(struct sn9c102_device *cam,
122 struct v4l2_control *ctrl)
123 {
124 struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
125 u8 data[2];
126 int err = 0;
127
128 switch (ctrl->id) {
129 case V4L2_CID_VFLIP:
130 if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
131 data) < 0)
132 return -EIO;
133 ctrl->value = data[1] & 0x80 ? 1 : 0;
134 return 0;
135 default:
136 return -EINVAL;
137 }
138
139 return err ? -EIO : 0;
140 }
141
142 static int mt9v111_set_ctrl(struct sn9c102_device *cam,
143 const struct v4l2_control *ctrl)
144 {
145 struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
146 int err = 0;
147
148 switch (ctrl->id) {
149 case V4L2_CID_VFLIP:
150 err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
151 0x20,
152 ctrl->value ? 0x80 : 0x00,
153 ctrl->value ? 0x80 : 0x00, 0,
154 0);
155 break;
156 default:
157 return -EINVAL;
158 }
159
160 return err ? -EIO : 0;
161 }
162
163 static int mt9v111_set_crop(struct sn9c102_device *cam,
164 const struct v4l2_rect *rect)
165 {
166 struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
167 int err = 0;
168 u8 v_start = (u8) (rect->top - s->cropcap.bounds.top) + 2;
169
170 err += sn9c102_write_reg(cam, v_start, 0x13);
171
172 return err;
173 }
174
175 static int mt9v111_set_pix_format(struct sn9c102_device *cam,
176 const struct v4l2_pix_format *pix)
177 {
178 int err = 0;
179
180 if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
181 err += sn9c102_write_reg(cam, 0xb4, 0x17);
182 } else {
183 err += sn9c102_write_reg(cam, 0xe2, 0x17);
184 }
185
186 return err;
187 }
188
189
190 static const struct sn9c102_sensor mt9v111 = {
191 .name = "MT9V111",
192 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
193 .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
194 .frequency = SN9C102_I2C_100KHZ,
195 .interface = SN9C102_I2C_2WIRES,
196 .i2c_slave_id = 0x5c,
197 .init = &mt9v111_init,
198 .qctrl = {
199 {
200 .id = V4L2_CID_VFLIP,
201 .type = V4L2_CTRL_TYPE_BOOLEAN,
202 .name = "vertical mirror",
203 .minimum = 0,
204 .maximum = 1,
205 .step = 1,
206 .default_value = 0,
207 .flags = 0,
208 },
209 },
210 .get_ctrl = &mt9v111_get_ctrl,
211 .set_ctrl = &mt9v111_set_ctrl,
212 .cropcap = {
213 .bounds = {
214 .left = 0,
215 .top = 0,
216 .width = 640,
217 .height = 480,
218 },
219 .defrect = {
220 .left = 0,
221 .top = 0,
222 .width = 640,
223 .height = 480,
224 },
225 },
226 .set_crop = &mt9v111_set_crop,
227 .pix_format = {
228 .width = 640,
229 .height = 480,
230 .pixelformat = V4L2_PIX_FMT_SBGGR8,
231 .priv = 8,
232 },
233 .set_pix_format = &mt9v111_set_pix_format
234 };
235
236
237 int sn9c102_probe_mt9v111(struct sn9c102_device *cam)
238 {
239 u8 data[2];
240 int err = 0;
241
242 err += sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
243 {0x29, 0x01}, {0x42, 0x17},
244 {0x62, 0x17}, {0x08, 0x01});
245 err += sn9c102_i2c_try_raw_write(cam, &mt9v111, 4,
246 mt9v111.i2c_slave_id, 0x01, 0x00,
247 0x04, 0, 0);
248 if (err || sn9c102_i2c_try_raw_read(cam, &mt9v111,
249 mt9v111.i2c_slave_id, 0x36, 2,
250 data) < 0)
251 return -EIO;
252
253 if (data[0] != 0x82 || data[1] != 0x3a)
254 return -ENODEV;
255
256 sn9c102_attach_sensor(cam, &mt9v111);
257
258 return 0;
259 }
WRT350N Kernel Patches