Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*************************************************************************** |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 2 | * Plug-in for TAS5130D1B image sensor connected to the SN9C1xx PC Camera * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Controllers * |
| 4 | * * |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 5 | * Copyright (C) 2004-2007 by Luca Risolia <luca.risolia@studio.unibo.it> * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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" |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 23 | #include "sn9c102_devtable.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | static int tas5130d1b_init(struct sn9c102_device* cam) |
| 27 | { |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 28 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
Trent Piepho | c680dd6 | 2007-04-04 17:11:04 -0300 | [diff] [blame] | 30 | err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x20, 0x17}, |
| 31 | {0x04, 0x01}, {0x01, 0x10}, |
| 32 | {0x00, 0x11}, {0x00, 0x14}, |
| 33 | {0x60, 0x17}, {0x07, 0x18}); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | return err; |
| 36 | } |
| 37 | |
| 38 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 39 | static int tas5130d1b_set_ctrl(struct sn9c102_device* cam, |
| 40 | const struct v4l2_control* ctrl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | { |
| 42 | int err = 0; |
| 43 | |
| 44 | switch (ctrl->id) { |
| 45 | case V4L2_CID_GAIN: |
Luca Risolia | b9df978 | 2005-06-25 16:30:24 +0200 | [diff] [blame] | 46 | err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | break; |
| 48 | case V4L2_CID_EXPOSURE: |
Luca Risolia | b9df978 | 2005-06-25 16:30:24 +0200 | [diff] [blame] | 49 | err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | break; |
| 51 | default: |
| 52 | return -EINVAL; |
| 53 | } |
| 54 | |
| 55 | return err ? -EIO : 0; |
| 56 | } |
| 57 | |
| 58 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 59 | static int tas5130d1b_set_crop(struct sn9c102_device* cam, |
| 60 | const struct v4l2_rect* rect) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | { |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 62 | struct sn9c102_sensor* s = sn9c102_get_sensor(cam); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104, |
| 64 | v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12; |
| 65 | int err = 0; |
| 66 | |
| 67 | err += sn9c102_write_reg(cam, h_start, 0x12); |
| 68 | err += sn9c102_write_reg(cam, v_start, 0x13); |
| 69 | |
| 70 | /* Do NOT change! */ |
| 71 | err += sn9c102_write_reg(cam, 0x1f, 0x1a); |
| 72 | err += sn9c102_write_reg(cam, 0x1a, 0x1b); |
| 73 | err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19); |
| 74 | |
| 75 | return err; |
| 76 | } |
| 77 | |
| 78 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 79 | static int tas5130d1b_set_pix_format(struct sn9c102_device* cam, |
| 80 | const struct v4l2_pix_format* pix) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | { |
| 82 | int err = 0; |
| 83 | |
| 84 | if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) |
| 85 | err += sn9c102_write_reg(cam, 0x63, 0x19); |
| 86 | else |
| 87 | err += sn9c102_write_reg(cam, 0xf3, 0x19); |
| 88 | |
| 89 | return err; |
| 90 | } |
| 91 | |
| 92 | |
Luca Risolia | 480b55c2 | 2007-05-02 10:04:03 -0300 | [diff] [blame] | 93 | static const struct sn9c102_sensor tas5130d1b = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | .name = "TAS5130D1B", |
| 95 | .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", |
Luca Risolia | f423b9a | 2007-03-26 16:12:04 -0300 | [diff] [blame] | 96 | .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | .sysfs_ops = SN9C102_I2C_WRITE, |
| 98 | .frequency = SN9C102_I2C_100KHZ, |
| 99 | .interface = SN9C102_I2C_3WIRES, |
| 100 | .init = &tas5130d1b_init, |
| 101 | .qctrl = { |
| 102 | { |
| 103 | .id = V4L2_CID_GAIN, |
| 104 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 105 | .name = "global gain", |
| 106 | .minimum = 0x00, |
| 107 | .maximum = 0xf6, |
| 108 | .step = 0x02, |
| 109 | .default_value = 0x00, |
| 110 | .flags = 0, |
| 111 | }, |
| 112 | { |
| 113 | .id = V4L2_CID_EXPOSURE, |
| 114 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 115 | .name = "exposure", |
| 116 | .minimum = 0x00, |
| 117 | .maximum = 0x47, |
| 118 | .step = 0x01, |
| 119 | .default_value = 0x00, |
| 120 | .flags = 0, |
| 121 | }, |
| 122 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | .set_ctrl = &tas5130d1b_set_ctrl, |
| 124 | .cropcap = { |
| 125 | .bounds = { |
| 126 | .left = 0, |
| 127 | .top = 0, |
| 128 | .width = 640, |
| 129 | .height = 480, |
| 130 | }, |
| 131 | .defrect = { |
| 132 | .left = 0, |
| 133 | .top = 0, |
| 134 | .width = 640, |
| 135 | .height = 480, |
| 136 | }, |
| 137 | }, |
| 138 | .set_crop = &tas5130d1b_set_crop, |
| 139 | .pix_format = { |
| 140 | .width = 640, |
| 141 | .height = 480, |
| 142 | .pixelformat = V4L2_PIX_FMT_SBGGR8, |
| 143 | .priv = 8, |
| 144 | }, |
| 145 | .set_pix_format = &tas5130d1b_set_pix_format |
| 146 | }; |
| 147 | |
| 148 | |
| 149 | int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam) |
| 150 | { |
Luca Risolia | 2ffab02 | 2006-02-25 06:50:47 +0000 | [diff] [blame] | 151 | const struct usb_device_id tas5130d1b_id_table[] = { |
Luca Risolia | f327ebb | 2007-01-08 10:43:56 -0300 | [diff] [blame] | 152 | { USB_DEVICE(0x0c45, 0x6024), }, |
Luca Risolia | 2ffab02 | 2006-02-25 06:50:47 +0000 | [diff] [blame] | 153 | { USB_DEVICE(0x0c45, 0x6025), }, |
| 154 | { USB_DEVICE(0x0c45, 0x60aa), }, |
| 155 | { } |
| 156 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
| 158 | /* Sensor detection is based on USB pid/vid */ |
Luca Risolia | 2ffab02 | 2006-02-25 06:50:47 +0000 | [diff] [blame] | 159 | if (!sn9c102_match_id(cam, tas5130d1b_id_table)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | return -ENODEV; |
| 161 | |
Luca Risolia | 2ffab02 | 2006-02-25 06:50:47 +0000 | [diff] [blame] | 162 | sn9c102_attach_sensor(cam, &tas5130d1b); |
| 163 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | return 0; |
| 165 | } |