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 
tas5110d_init(struct sn9c102_device * cam)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 
tas5110d_set_crop(struct sn9c102_device * cam,const struct v4l2_rect * rect)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 
tas5110d_set_pix_format(struct sn9c102_device * cam,const struct v4l2_pix_format * pix)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 
sn9c102_probe_tas5110d(struct sn9c102_device * cam)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 }
120