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path: root/drivers/usb/media/et61x251_tas5130d1b.c
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Diffstat (limited to 'drivers/usb/media/et61x251_tas5130d1b.c')
-rw-r--r--drivers/usb/media/et61x251_tas5130d1b.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/usb/media/et61x251_tas5130d1b.c b/drivers/usb/media/et61x251_tas5130d1b.c
new file mode 100644
index 000000000000..65f1ae9cf2b3
--- /dev/null
+++ b/drivers/usb/media/et61x251_tas5130d1b.c
@@ -0,0 +1,137 @@
1/***************************************************************************
2 * Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51 *
3 * PC Camera Controllers *
4 * *
5 * Copyright (C) 2006 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 "et61x251_sensor.h"
23
24
25static int tas5130d1b_init(struct et61x251_device* cam)
26{
27 int err = 0;
28
29 err += et61x251_write_reg(cam, 0x14, 0x01);
30 err += et61x251_write_reg(cam, 0x1b, 0x02);
31 err += et61x251_write_reg(cam, 0x02, 0x12);
32 err += et61x251_write_reg(cam, 0x0e, 0x60);
33 err += et61x251_write_reg(cam, 0x80, 0x61);
34 err += et61x251_write_reg(cam, 0xf0, 0x62);
35 err += et61x251_write_reg(cam, 0x03, 0x63);
36 err += et61x251_write_reg(cam, 0x14, 0x64);
37 err += et61x251_write_reg(cam, 0xf4, 0x65);
38 err += et61x251_write_reg(cam, 0x01, 0x66);
39 err += et61x251_write_reg(cam, 0x05, 0x67);
40 err += et61x251_write_reg(cam, 0x8f, 0x68);
41 err += et61x251_write_reg(cam, 0x0f, 0x8d);
42 err += et61x251_write_reg(cam, 0x08, 0x8e);
43
44 return err;
45}
46
47
48static int tas5130d1b_set_ctrl(struct et61x251_device* cam,
49 const struct v4l2_control* ctrl)
50{
51 int err = 0;
52
53 switch (ctrl->id) {
54 case V4L2_CID_GAIN:
55 err += et61x251_i2c_raw_write(cam, 2, 0x20,
56 0xf6-ctrl->value, 0, 0, 0,
57 0, 0, 0, 0);
58 break;
59 case V4L2_CID_EXPOSURE:
60 err += et61x251_i2c_raw_write(cam, 2, 0x40,
61 0x47-ctrl->value, 0, 0, 0,
62 0, 0, 0, 0);
63 break;
64 default:
65 return -EINVAL;
66 }
67
68 return err ? -EIO : 0;
69}
70
71
72static struct et61x251_sensor tas5130d1b = {
73 .name = "TAS5130D1B",
74 .interface = ET61X251_I2C_3WIRES,
75 .rsta = ET61X251_I2C_RSTA_STOP,
76 .active_pixel = {
77 .left = 106,
78 .top = 13,
79 },
80 .init = &tas5130d1b_init,
81 .qctrl = {
82 {
83 .id = V4L2_CID_GAIN,
84 .type = V4L2_CTRL_TYPE_INTEGER,
85 .name = "global gain",
86 .minimum = 0x00,
87 .maximum = 0xf6,
88 .step = 0x02,
89 .default_value = 0x0d,
90 .flags = 0,
91 },
92 {
93 .id = V4L2_CID_EXPOSURE,
94 .type = V4L2_CTRL_TYPE_INTEGER,
95 .name = "exposure",
96 .minimum = 0x00,
97 .maximum = 0x47,
98 .step = 0x01,
99 .default_value = 0x23,
100 .flags = 0,
101 },
102 },
103 .set_ctrl = &tas5130d1b_set_ctrl,
104 .cropcap = {
105 .bounds = {
106 .left = 0,
107 .top = 0,
108 .width = 640,
109 .height = 480,
110 },
111 .defrect = {
112 .left = 0,
113 .top = 0,
114 .width = 640,
115 .height = 480,
116 },
117 },
118 .pix_format = {
119 .width = 640,
120 .height = 480,
121 .pixelformat = V4L2_PIX_FMT_SBGGR8,
122 .priv = 8,
123 },
124};
125
126
127int et61x251_probe_tas5130d1b(struct et61x251_device* cam)
128{
129 /* This sensor has no identifiers, so let's attach it anyway */
130 et61x251_attach_sensor(cam, &tas5130d1b);
131
132 /* Sensor detection is based on USB pid/vid */
133 if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6251)
134 return -ENODEV;
135
136 return 0;
137}