V4L/DVB (5474): SN9C1xx driver updates
[linux-2.6.git] / drivers / media / video / sn9c102 / sn9c102_tas5110d.c
1 /***************************************************************************
2  * Plug-in for TAS5110D 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 tas5110d_init(struct sn9c102_device* cam)
26 {
27         int err = 0;
28
29         err += sn9c102_write_reg(cam, 0x01, 0x01);
30         err += sn9c102_write_reg(cam, 0x04, 0x01);
31         err += sn9c102_write_reg(cam, 0x0a, 0x14);
32         err += sn9c102_write_reg(cam, 0x60, 0x17);
33         err += sn9c102_write_reg(cam, 0x06, 0x18);
34         err += sn9c102_write_reg(cam, 0xfb, 0x19);
35
36         err += sn9c102_i2c_write(cam, 0x9a, 0xca);
37
38         return err;
39 }
40
41
42 static int tas5110d_set_crop(struct sn9c102_device* cam,
43                              const struct v4l2_rect* rect)
44 {
45         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
46         int err = 0;
47         u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
48            v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
49
50         err += sn9c102_write_reg(cam, h_start, 0x12);
51         err += sn9c102_write_reg(cam, v_start, 0x13);
52
53         err += sn9c102_write_reg(cam, 0x14, 0x1a);
54         err += sn9c102_write_reg(cam, 0x0a, 0x1b);
55
56         return err;
57 }
58
59
60 static int tas5110d_set_pix_format(struct sn9c102_device* cam,
61                                      const struct v4l2_pix_format* pix)
62 {
63         int err = 0;
64
65         if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
66                 err += sn9c102_write_reg(cam, 0x3b, 0x19);
67         else
68                 err += sn9c102_write_reg(cam, 0xfb, 0x19);
69
70         return err;
71 }
72
73
74 static struct sn9c102_sensor tas5110d = {
75         .name = "TAS5110D",
76         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
77         .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
78         .sysfs_ops = SN9C102_I2C_WRITE,
79         .frequency = SN9C102_I2C_100KHZ,
80         .interface = SN9C102_I2C_2WIRES,
81         .i2c_slave_id = 0x61,
82         .init = &tas5110d_init,
83         .cropcap = {
84                 .bounds = {
85                         .left = 0,
86                         .top = 0,
87                         .width = 352,
88                         .height = 288,
89                 },
90                 .defrect = {
91                         .left = 0,
92                         .top = 0,
93                         .width = 352,
94                         .height = 288,
95                 },
96         },
97         .set_crop = &tas5110d_set_crop,
98         .pix_format = {
99                 .width = 352,
100                 .height = 288,
101                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
102                 .priv = 8,
103         },
104         .set_pix_format = &tas5110d_set_pix_format
105 };
106
107
108 int sn9c102_probe_tas5110d(struct sn9c102_device* cam)
109 {
110         const struct usb_device_id tas5110d_id_table[] = {
111                 { USB_DEVICE(0x0c45, 0x6007), },
112                 { }
113         };
114
115         if (!sn9c102_match_id(cam, tas5110d_id_table))
116                 return -ENODEV;
117
118         sn9c102_attach_sensor(cam, &tas5110d);
119
120         return 0;
121 }