diff options
Diffstat (limited to 'drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c')
-rw-r--r-- | drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c b/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c new file mode 100644 index 000000000000..04cdfdde8564 --- /dev/null +++ b/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c | |||
@@ -0,0 +1,154 @@ | |||
1 | /*************************************************************************** | ||
2 | * Plug-in for TAS5110C1B image sensor connected to the SN9C1xx PC Camera * | ||
3 | * Controllers * | ||
4 | * * | ||
5 | * Copyright (C) 2004-2007 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 tas5110c1b_init(struct sn9c102_device* cam) | ||
27 | { | ||
28 | int err = 0; | ||
29 | |||
30 | err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x44, 0x01}, | ||
31 | {0x00, 0x10}, {0x00, 0x11}, | ||
32 | {0x0a, 0x14}, {0x60, 0x17}, | ||
33 | {0x06, 0x18}, {0xfb, 0x19}); | ||
34 | |||
35 | err += sn9c102_i2c_write(cam, 0xc0, 0x80); | ||
36 | |||
37 | return err; | ||
38 | } | ||
39 | |||
40 | |||
41 | static int tas5110c1b_set_ctrl(struct sn9c102_device* cam, | ||
42 | const struct v4l2_control* ctrl) | ||
43 | { | ||
44 | int err = 0; | ||
45 | |||
46 | switch (ctrl->id) { | ||
47 | case V4L2_CID_GAIN: | ||
48 | err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); | ||
49 | break; | ||
50 | default: | ||
51 | return -EINVAL; | ||
52 | } | ||
53 | |||
54 | return err ? -EIO : 0; | ||
55 | } | ||
56 | |||
57 | |||
58 | static int tas5110c1b_set_crop(struct sn9c102_device* cam, | ||
59 | const struct v4l2_rect* rect) | ||
60 | { | ||
61 | struct sn9c102_sensor* s = sn9c102_get_sensor(cam); | ||
62 | int err = 0; | ||
63 | u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69, | ||
64 | v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9; | ||
65 | |||
66 | err += sn9c102_write_reg(cam, h_start, 0x12); | ||
67 | err += sn9c102_write_reg(cam, v_start, 0x13); | ||
68 | |||
69 | /* Don't change ! */ | ||
70 | err += sn9c102_write_reg(cam, 0x14, 0x1a); | ||
71 | err += sn9c102_write_reg(cam, 0x0a, 0x1b); | ||
72 | err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); | ||
73 | |||
74 | return err; | ||
75 | } | ||
76 | |||
77 | |||
78 | static int tas5110c1b_set_pix_format(struct sn9c102_device* cam, | ||
79 | const struct v4l2_pix_format* pix) | ||
80 | { | ||
81 | int err = 0; | ||
82 | |||
83 | if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) | ||
84 | err += sn9c102_write_reg(cam, 0x2b, 0x19); | ||
85 | else | ||
86 | err += sn9c102_write_reg(cam, 0xfb, 0x19); | ||
87 | |||
88 | return err; | ||
89 | } | ||
90 | |||
91 | |||
92 | static const struct sn9c102_sensor tas5110c1b = { | ||
93 | .name = "TAS5110C1B", | ||
94 | .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", | ||
95 | .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102, | ||
96 | .sysfs_ops = SN9C102_I2C_WRITE, | ||
97 | .frequency = SN9C102_I2C_100KHZ, | ||
98 | .interface = SN9C102_I2C_3WIRES, | ||
99 | .init = &tas5110c1b_init, | ||
100 | .qctrl = { | ||
101 | { | ||
102 | .id = V4L2_CID_GAIN, | ||
103 | .type = V4L2_CTRL_TYPE_INTEGER, | ||
104 | .name = "global gain", | ||
105 | .minimum = 0x00, | ||
106 | .maximum = 0xf6, | ||
107 | .step = 0x01, | ||
108 | .default_value = 0x40, | ||
109 | .flags = 0, | ||
110 | }, | ||
111 | }, | ||
112 | .set_ctrl = &tas5110c1b_set_ctrl, | ||
113 | .cropcap = { | ||
114 | .bounds = { | ||
115 | .left = 0, | ||
116 | .top = 0, | ||
117 | .width = 352, | ||
118 | .height = 288, | ||
119 | }, | ||
120 | .defrect = { | ||
121 | .left = 0, | ||
122 | .top = 0, | ||
123 | .width = 352, | ||
124 | .height = 288, | ||
125 | }, | ||
126 | }, | ||
127 | .set_crop = &tas5110c1b_set_crop, | ||
128 | .pix_format = { | ||
129 | .width = 352, | ||
130 | .height = 288, | ||
131 | .pixelformat = V4L2_PIX_FMT_SBGGR8, | ||
132 | .priv = 8, | ||
133 | }, | ||
134 | .set_pix_format = &tas5110c1b_set_pix_format | ||
135 | }; | ||
136 | |||
137 | |||
138 | int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam) | ||
139 | { | ||
140 | const struct usb_device_id tas5110c1b_id_table[] = { | ||
141 | { USB_DEVICE(0x0c45, 0x6001), }, | ||
142 | { USB_DEVICE(0x0c45, 0x6005), }, | ||
143 | { USB_DEVICE(0x0c45, 0x60ab), }, | ||
144 | { } | ||
145 | }; | ||
146 | |||
147 | /* Sensor detection is based on USB pid/vid */ | ||
148 | if (!sn9c102_match_id(cam, tas5110c1b_id_table)) | ||
149 | return -ENODEV; | ||
150 | |||
151 | sn9c102_attach_sensor(cam, &tas5110c1b); | ||
152 | |||
153 | return 0; | ||
154 | } | ||