diff options
Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_tas5130d1b.c')
-rw-r--r-- | drivers/media/video/sn9c102/sn9c102_tas5130d1b.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c new file mode 100644 index 000000000000..c7b339740bbf --- /dev/null +++ b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c | |||
@@ -0,0 +1,169 @@ | |||
1 | /*************************************************************************** | ||
2 | * Plug-in for TAS5130D1B image sensor connected to the SN9C10x PC Camera * | ||
3 | * Controllers * | ||
4 | * * | ||
5 | * Copyright (C) 2004-2006 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 "sn9c102_sensor.h" | ||
23 | |||
24 | |||
25 | static struct sn9c102_sensor tas5130d1b; | ||
26 | |||
27 | |||
28 | static int tas5130d1b_init(struct sn9c102_device* cam) | ||
29 | { | ||
30 | int err = 0; | ||
31 | |||
32 | err += sn9c102_write_reg(cam, 0x01, 0x01); | ||
33 | err += sn9c102_write_reg(cam, 0x20, 0x17); | ||
34 | err += sn9c102_write_reg(cam, 0x04, 0x01); | ||
35 | err += sn9c102_write_reg(cam, 0x01, 0x10); | ||
36 | err += sn9c102_write_reg(cam, 0x00, 0x11); | ||
37 | err += sn9c102_write_reg(cam, 0x00, 0x14); | ||
38 | err += sn9c102_write_reg(cam, 0x60, 0x17); | ||
39 | err += sn9c102_write_reg(cam, 0x07, 0x18); | ||
40 | |||
41 | return err; | ||
42 | } | ||
43 | |||
44 | |||
45 | static int tas5130d1b_set_ctrl(struct sn9c102_device* cam, | ||
46 | const struct v4l2_control* ctrl) | ||
47 | { | ||
48 | int err = 0; | ||
49 | |||
50 | switch (ctrl->id) { | ||
51 | case V4L2_CID_GAIN: | ||
52 | err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); | ||
53 | break; | ||
54 | case V4L2_CID_EXPOSURE: | ||
55 | err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value); | ||
56 | break; | ||
57 | default: | ||
58 | return -EINVAL; | ||
59 | } | ||
60 | |||
61 | return err ? -EIO : 0; | ||
62 | } | ||
63 | |||
64 | |||
65 | static int tas5130d1b_set_crop(struct sn9c102_device* cam, | ||
66 | const struct v4l2_rect* rect) | ||
67 | { | ||
68 | struct sn9c102_sensor* s = &tas5130d1b; | ||
69 | u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104, | ||
70 | v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12; | ||
71 | int err = 0; | ||
72 | |||
73 | err += sn9c102_write_reg(cam, h_start, 0x12); | ||
74 | err += sn9c102_write_reg(cam, v_start, 0x13); | ||
75 | |||
76 | /* Do NOT change! */ | ||
77 | err += sn9c102_write_reg(cam, 0x1f, 0x1a); | ||
78 | err += sn9c102_write_reg(cam, 0x1a, 0x1b); | ||
79 | err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); | ||
80 | |||
81 | return err; | ||
82 | } | ||
83 | |||
84 | |||
85 | static int tas5130d1b_set_pix_format(struct sn9c102_device* cam, | ||
86 | const struct v4l2_pix_format* pix) | ||
87 | { | ||
88 | int err = 0; | ||
89 | |||
90 | if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) | ||
91 | err += sn9c102_write_reg(cam, 0x63, 0x19); | ||
92 | else | ||
93 | err += sn9c102_write_reg(cam, 0xf3, 0x19); | ||
94 | |||
95 | return err; | ||
96 | } | ||
97 | |||
98 | |||
99 | static struct sn9c102_sensor tas5130d1b = { | ||
100 | .name = "TAS5130D1B", | ||
101 | .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", | ||
102 | .sysfs_ops = SN9C102_I2C_WRITE, | ||
103 | .frequency = SN9C102_I2C_100KHZ, | ||
104 | .interface = SN9C102_I2C_3WIRES, | ||
105 | .init = &tas5130d1b_init, | ||
106 | .qctrl = { | ||
107 | { | ||
108 | .id = V4L2_CID_GAIN, | ||
109 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
110 | .name = "global gain", | ||
111 | .minimum = 0x00, | ||
112 | .maximum = 0xf6, | ||
113 | .step = 0x02, | ||
114 | .default_value = 0x00, | ||
115 | .flags = 0, | ||
116 | }, | ||
117 | { | ||
118 | .id = V4L2_CID_EXPOSURE, | ||
119 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
120 | .name = "exposure", | ||
121 | .minimum = 0x00, | ||
122 | .maximum = 0x47, | ||
123 | .step = 0x01, | ||
124 | .default_value = 0x00, | ||
125 | .flags = 0, | ||
126 | }, | ||
127 | }, | ||
128 | .set_ctrl = &tas5130d1b_set_ctrl, | ||
129 | .cropcap = { | ||
130 | .bounds = { | ||
131 | .left = 0, | ||
132 | .top = 0, | ||
133 | .width = 640, | ||
134 | .height = 480, | ||
135 | }, | ||
136 | .defrect = { | ||
137 | .left = 0, | ||
138 | .top = 0, | ||
139 | .width = 640, | ||
140 | .height = 480, | ||
141 | }, | ||
142 | }, | ||
143 | .set_crop = &tas5130d1b_set_crop, | ||
144 | .pix_format = { | ||
145 | .width = 640, | ||
146 | .height = 480, | ||
147 | .pixelformat = V4L2_PIX_FMT_SBGGR8, | ||
148 | .priv = 8, | ||
149 | }, | ||
150 | .set_pix_format = &tas5130d1b_set_pix_format | ||
151 | }; | ||
152 | |||
153 | |||
154 | int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam) | ||
155 | { | ||
156 | const struct usb_device_id tas5130d1b_id_table[] = { | ||
157 | { USB_DEVICE(0x0c45, 0x6025), }, | ||
158 | { USB_DEVICE(0x0c45, 0x60aa), }, | ||
159 | { } | ||
160 | }; | ||
161 | |||
162 | /* Sensor detection is based on USB pid/vid */ | ||
163 | if (!sn9c102_match_id(cam, tas5130d1b_id_table)) | ||
164 | return -ENODEV; | ||
165 | |||
166 | sn9c102_attach_sensor(cam, &tas5130d1b); | ||
167 | |||
168 | return 0; | ||
169 | } | ||