diff options
Diffstat (limited to 'drivers/usb/media/et61x251_tas5130d1b.c')
-rw-r--r-- | drivers/usb/media/et61x251_tas5130d1b.c | 137 |
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 | |||
25 | static 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 | |||
48 | static 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 | |||
72 | static 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 | |||
127 | int 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 | } | ||