Merge branch 'linus' into x86/cleanups
[linux-2.6] / 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 #include "sn9c102_devtable.h"
24
25
26 static int tas5110d_init(struct sn9c102_device* cam)
27 {
28         int err;
29
30         err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x04, 0x01},
31                                        {0x0a, 0x14}, {0x60, 0x17},
32                                        {0x06, 0x18}, {0xfb, 0x19});
33
34         err += sn9c102_i2c_write(cam, 0x9a, 0xca);
35
36         return err;
37 }
38
39
40 static int tas5110d_set_crop(struct sn9c102_device* cam,
41                              const struct v4l2_rect* rect)
42 {
43         struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
44         int err = 0;
45         u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
46            v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
47
48         err += sn9c102_write_reg(cam, h_start, 0x12);
49         err += sn9c102_write_reg(cam, v_start, 0x13);
50
51         err += sn9c102_write_reg(cam, 0x14, 0x1a);
52         err += sn9c102_write_reg(cam, 0x0a, 0x1b);
53
54         return err;
55 }
56
57
58 static int tas5110d_set_pix_format(struct sn9c102_device* cam,
59                                      const struct v4l2_pix_format* pix)
60 {
61         int err = 0;
62
63         if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
64                 err += sn9c102_write_reg(cam, 0x3b, 0x19);
65         else
66                 err += sn9c102_write_reg(cam, 0xfb, 0x19);
67
68         return err;
69 }
70
71
72 static const struct sn9c102_sensor tas5110d = {
73         .name = "TAS5110D",
74         .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
75         .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
76         .sysfs_ops = SN9C102_I2C_WRITE,
77         .frequency = SN9C102_I2C_100KHZ,
78         .interface = SN9C102_I2C_2WIRES,
79         .i2c_slave_id = 0x61,
80         .init = &tas5110d_init,
81         .cropcap = {
82                 .bounds = {
83                         .left = 0,
84                         .top = 0,
85                         .width = 352,
86                         .height = 288,
87                 },
88                 .defrect = {
89                         .left = 0,
90                         .top = 0,
91                         .width = 352,
92                         .height = 288,
93                 },
94         },
95         .set_crop = &tas5110d_set_crop,
96         .pix_format = {
97                 .width = 352,
98                 .height = 288,
99                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
100                 .priv = 8,
101         },
102         .set_pix_format = &tas5110d_set_pix_format
103 };
104
105
106 int sn9c102_probe_tas5110d(struct sn9c102_device* cam)
107 {
108         const struct usb_device_id tas5110d_id_table[] = {
109                 { USB_DEVICE(0x0c45, 0x6007), },
110                 { }
111         };
112
113         if (!sn9c102_match_id(cam, tas5110d_id_table))
114                 return -ENODEV;
115
116         sn9c102_attach_sensor(cam, &tas5110d);
117
118         return 0;
119 }