Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[linux-2.6] / drivers / media / video / sn9c102 / sn9c102_mt9v111.c
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 }