1116 lines
28 KiB
C
1116 lines
28 KiB
C
/*
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* Sunplus spca561 subdriver
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*
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* Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
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*
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* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define MODULE_NAME "spca561"
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#include "gspca.h"
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MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
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MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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__u16 exposure; /* rev12a only */
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#define EXPOSURE_MIN 1
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#define EXPOSURE_DEF 700 /* == 10 fps */
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#define EXPOSURE_MAX (2047 + 325) /* see setexposure */
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__u8 contrast; /* rev72a only */
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#define CONTRAST_MIN 0x00
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#define CONTRAST_DEF 0x20
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#define CONTRAST_MAX 0x3f
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__u8 brightness; /* rev72a only */
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#define BRIGHTNESS_MIN 0
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#define BRIGHTNESS_DEF 0x20
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#define BRIGHTNESS_MAX 0x3f
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__u8 white;
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#define HUE_MIN 1
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#define HUE_DEF 0x40
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#define HUE_MAX 0x7f
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__u8 autogain;
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#define AUTOGAIN_MIN 0
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#define AUTOGAIN_DEF 1
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#define AUTOGAIN_MAX 1
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__u8 gain; /* rev12a only */
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#define GAIN_MIN 0
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#define GAIN_DEF 63
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#define GAIN_MAX 255
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#define EXPO12A_DEF 3
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__u8 expo12a; /* expo/gain? for rev 12a */
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__u8 chip_revision;
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#define Rev012A 0
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#define Rev072A 1
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signed char ag_cnt;
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#define AG_CNT_START 13
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};
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static const struct v4l2_pix_format sif_012a_mode[] = {
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{160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3},
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{176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2},
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{320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 4 / 8,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288 * 4 / 8,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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static const struct v4l2_pix_format sif_072a_mode[] = {
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{160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3},
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{176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2},
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{320, 240, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{352, 288, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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/*
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* Initialization data
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* I'm not very sure how to split initialization from open data
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* chunks. For now, we'll consider everything as initialization
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*/
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/* Frame packet header offsets for the spca561 */
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#define SPCA561_OFFSET_SNAP 1
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#define SPCA561_OFFSET_TYPE 2
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#define SPCA561_OFFSET_COMPRESS 3
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#define SPCA561_OFFSET_FRAMSEQ 4
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#define SPCA561_OFFSET_GPIO 5
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#define SPCA561_OFFSET_USBBUFF 6
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#define SPCA561_OFFSET_WIN2GRAVE 7
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#define SPCA561_OFFSET_WIN2RAVE 8
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#define SPCA561_OFFSET_WIN2BAVE 9
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#define SPCA561_OFFSET_WIN2GBAVE 10
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#define SPCA561_OFFSET_WIN1GRAVE 11
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#define SPCA561_OFFSET_WIN1RAVE 12
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#define SPCA561_OFFSET_WIN1BAVE 13
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#define SPCA561_OFFSET_WIN1GBAVE 14
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#define SPCA561_OFFSET_FREQ 15
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#define SPCA561_OFFSET_VSYNC 16
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#define SPCA561_INDEX_I2C_BASE 0x8800
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#define SPCA561_SNAPBIT 0x20
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#define SPCA561_SNAPCTRL 0x40
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static const u16 rev72a_reset[][2] = {
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{0x0000, 0x8114}, /* Software GPIO output data */
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{0x0001, 0x8114}, /* Software GPIO output data */
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{0x0000, 0x8112}, /* Some kind of reset */
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{}
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};
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static const __u16 rev72a_init_data1[][2] = {
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{0x0003, 0x8701}, /* PCLK clock delay adjustment */
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{0x0001, 0x8703}, /* HSYNC from cmos inverted */
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{0x0011, 0x8118}, /* Enable and conf sensor */
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{0x0001, 0x8118}, /* Conf sensor */
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{0x0092, 0x8804}, /* I know nothing about these */
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{0x0010, 0x8802}, /* 0x88xx registers, so I won't */
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{}
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};
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static const u16 rev72a_init_sensor1[][2] = {
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{0x0001, 0x000d},
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{0x0002, 0x0018},
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{0x0004, 0x0165},
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{0x0005, 0x0021},
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{0x0007, 0x00aa},
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{0x0020, 0x1504},
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{0x0039, 0x0002},
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{0x0035, 0x0010},
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{0x0009, 0x1049},
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{0x0028, 0x000b},
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{0x003b, 0x000f},
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{0x003c, 0x0000},
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{}
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};
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static const __u16 rev72a_init_data2[][2] = {
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{0x0018, 0x8601}, /* Pixel/line selection for color separation */
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{0x0000, 0x8602}, /* Optical black level for user setting */
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{0x0060, 0x8604}, /* Optical black horizontal offset */
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{0x0002, 0x8605}, /* Optical black vertical offset */
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{0x0000, 0x8603}, /* Non-automatic optical black level */
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{0x0002, 0x865b}, /* Horizontal offset for valid pixels */
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{0x0000, 0x865f}, /* Vertical valid pixels window (x2) */
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{0x00b0, 0x865d}, /* Horizontal valid pixels window (x2) */
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{0x0090, 0x865e}, /* Vertical valid lines window (x2) */
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{0x00e0, 0x8406}, /* Memory buffer threshold */
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{0x0000, 0x8660}, /* Compensation memory stuff */
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{0x0002, 0x8201}, /* Output address for r/w serial EEPROM */
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{0x0008, 0x8200}, /* Clear valid bit for serial EEPROM */
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{0x0001, 0x8200}, /* OprMode to be executed by hardware */
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/* from ms-win */
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{0x0000, 0x8611}, /* R offset for white balance */
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{0x00fd, 0x8612}, /* Gr offset for white balance */
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{0x0003, 0x8613}, /* B offset for white balance */
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{0x0000, 0x8614}, /* Gb offset for white balance */
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/* from ms-win */
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{0x0035, 0x8651}, /* R gain for white balance */
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{0x0040, 0x8652}, /* Gr gain for white balance */
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{0x005f, 0x8653}, /* B gain for white balance */
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{0x0040, 0x8654}, /* Gb gain for white balance */
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{0x0002, 0x8502}, /* Maximum average bit rate stuff */
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{0x0011, 0x8802},
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{0x0087, 0x8700}, /* Set master clock (96Mhz????) */
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{0x0081, 0x8702}, /* Master clock output enable */
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{0x0000, 0x8500}, /* Set image type (352x288 no compression) */
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/* Originally was 0x0010 (352x288 compression) */
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{0x0002, 0x865b}, /* Horizontal offset for valid pixels */
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{0x0003, 0x865c}, /* Vertical offset for valid lines */
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{}
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};
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static const u16 rev72a_init_sensor2[][2] = {
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{0x0003, 0x0121},
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{0x0004, 0x0165},
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{0x0005, 0x002f}, /* blanking control column */
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{0x0006, 0x0000}, /* blanking mode row*/
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{0x000a, 0x0002},
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{0x0009, 0x1061}, /* setexposure times && pixel clock
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* 0001 0 | 000 0110 0001 */
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{0x0035, 0x0014},
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{}
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};
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/******************** QC Express etch2 stuff ********************/
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static const __u16 Pb100_1map8300[][2] = {
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/* reg, value */
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{0x8320, 0x3304},
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{0x8303, 0x0125}, /* image area */
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{0x8304, 0x0169},
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{0x8328, 0x000b},
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{0x833c, 0x0001}, /*fixme: win:07*/
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{0x832f, 0x1904}, /*fixme: was 0419*/
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{0x8307, 0x00aa},
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{0x8301, 0x0003},
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{0x8302, 0x000e},
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{}
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};
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static const __u16 Pb100_2map8300[][2] = {
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/* reg, value */
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{0x8339, 0x0000},
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{0x8307, 0x00aa},
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{}
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};
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static const __u16 spca561_161rev12A_data1[][2] = {
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{0x29, 0x8118}, /* white balance - was 21 */
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{0x08, 0x8114}, /* white balance - was 01 */
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{0x0e, 0x8112}, /* white balance - was 00 */
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{0x00, 0x8102}, /* white balance - new */
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{0x92, 0x8804},
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{0x04, 0x8802}, /* windows uses 08 */
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{}
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};
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static const __u16 spca561_161rev12A_data2[][2] = {
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{0x21, 0x8118},
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{0x10, 0x8500},
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{0x07, 0x8601},
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{0x07, 0x8602},
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{0x04, 0x8501},
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{0x21, 0x8118},
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{0x07, 0x8201}, /* windows uses 02 */
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{0x08, 0x8200},
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{0x01, 0x8200},
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{0x00, 0x8114},
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{0x01, 0x8114}, /* windows uses 00 */
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{0x90, 0x8604},
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{0x00, 0x8605},
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{0xb0, 0x8603},
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/* sensor gains */
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{0x07, 0x8601}, /* white balance - new */
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{0x07, 0x8602}, /* white balance - new */
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{0x00, 0x8610}, /* *red */
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{0x00, 0x8611}, /* 3f *green */
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{0x00, 0x8612}, /* green *blue */
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{0x00, 0x8613}, /* blue *green */
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{0x43, 0x8614}, /* green *red - white balance - was 0x35 */
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{0x40, 0x8615}, /* 40 *green - white balance - was 0x35 */
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{0x71, 0x8616}, /* 7a *blue - white balance - was 0x35 */
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{0x40, 0x8617}, /* 40 *green - white balance - was 0x35 */
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{0x0c, 0x8620}, /* 0c */
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{0xc8, 0x8631}, /* c8 */
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{0xc8, 0x8634}, /* c8 */
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{0x23, 0x8635}, /* 23 */
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{0x1f, 0x8636}, /* 1f */
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{0xdd, 0x8637}, /* dd */
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{0xe1, 0x8638}, /* e1 */
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{0x1d, 0x8639}, /* 1d */
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{0x21, 0x863a}, /* 21 */
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{0xe3, 0x863b}, /* e3 */
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{0xdf, 0x863c}, /* df */
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{0xf0, 0x8505},
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{0x32, 0x850a},
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/* {0x99, 0x8700}, * - white balance - new (removed) */
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{}
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};
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static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value)
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{
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int ret;
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ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
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0, /* request */
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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value, index, NULL, 0, 500);
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PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
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if (ret < 0)
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PDEBUG(D_ERR, "reg write: error %d", ret);
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}
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static void write_vector(struct gspca_dev *gspca_dev,
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const __u16 data[][2])
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{
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struct usb_device *dev = gspca_dev->dev;
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int i;
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i = 0;
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while (data[i][1] != 0) {
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reg_w_val(dev, data[i][1], data[i][0]);
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i++;
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}
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}
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/* read 'len' bytes to gspca_dev->usb_buf */
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static void reg_r(struct gspca_dev *gspca_dev,
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__u16 index, __u16 length)
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{
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usb_control_msg(gspca_dev->dev,
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usb_rcvctrlpipe(gspca_dev->dev, 0),
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0, /* request */
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, /* value */
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index, gspca_dev->usb_buf, length, 500);
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}
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/* write 'len' bytes from gspca_dev->usb_buf */
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static void reg_w_buf(struct gspca_dev *gspca_dev,
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__u16 index, __u16 len)
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{
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usb_control_msg(gspca_dev->dev,
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usb_sndctrlpipe(gspca_dev->dev, 0),
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0, /* request */
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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0, /* value */
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index, gspca_dev->usb_buf, len, 500);
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}
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static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg)
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{
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int retry = 60;
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reg_w_val(gspca_dev->dev, 0x8801, reg);
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reg_w_val(gspca_dev->dev, 0x8805, value);
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reg_w_val(gspca_dev->dev, 0x8800, value >> 8);
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do {
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reg_r(gspca_dev, 0x8803, 1);
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if (!gspca_dev->usb_buf[0])
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return;
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msleep(10);
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} while (--retry);
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}
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static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
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{
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int retry = 60;
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__u8 value;
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reg_w_val(gspca_dev->dev, 0x8804, 0x92);
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reg_w_val(gspca_dev->dev, 0x8801, reg);
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reg_w_val(gspca_dev->dev, 0x8802, mode | 0x01);
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do {
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reg_r(gspca_dev, 0x8803, 1);
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if (!gspca_dev->usb_buf[0]) {
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reg_r(gspca_dev, 0x8800, 1);
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value = gspca_dev->usb_buf[0];
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reg_r(gspca_dev, 0x8805, 1);
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return ((int) value << 8) | gspca_dev->usb_buf[0];
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}
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msleep(10);
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} while (--retry);
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return -1;
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}
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static void sensor_mapwrite(struct gspca_dev *gspca_dev,
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const __u16 (*sensormap)[2])
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{
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while ((*sensormap)[0]) {
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gspca_dev->usb_buf[0] = (*sensormap)[1];
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gspca_dev->usb_buf[1] = (*sensormap)[1] >> 8;
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reg_w_buf(gspca_dev, (*sensormap)[0], 2);
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sensormap++;
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}
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}
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static void write_sensor_72a(struct gspca_dev *gspca_dev,
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const __u16 (*sensor)[2])
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{
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while ((*sensor)[0]) {
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i2c_write(gspca_dev, (*sensor)[1], (*sensor)[0]);
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sensor++;
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}
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}
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static void init_161rev12A(struct gspca_dev *gspca_dev)
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{
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write_vector(gspca_dev, spca561_161rev12A_data1);
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sensor_mapwrite(gspca_dev, Pb100_1map8300);
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/*fixme: should be in sd_start*/
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write_vector(gspca_dev, spca561_161rev12A_data2);
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sensor_mapwrite(gspca_dev, Pb100_2map8300);
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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__u16 vendor, product;
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__u8 data1, data2;
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/* Read frm global register the USB product and vendor IDs, just to
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* prove that we can communicate with the device. This works, which
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* confirms at we are communicating properly and that the device
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* is a 561. */
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reg_r(gspca_dev, 0x8104, 1);
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data1 = gspca_dev->usb_buf[0];
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reg_r(gspca_dev, 0x8105, 1);
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data2 = gspca_dev->usb_buf[0];
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vendor = (data2 << 8) | data1;
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reg_r(gspca_dev, 0x8106, 1);
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data1 = gspca_dev->usb_buf[0];
|
|
reg_r(gspca_dev, 0x8107, 1);
|
|
data2 = gspca_dev->usb_buf[0];
|
|
product = (data2 << 8) | data1;
|
|
if (vendor != id->idVendor || product != id->idProduct) {
|
|
PDEBUG(D_PROBE, "Bad vendor / product from device");
|
|
return -EINVAL;
|
|
}
|
|
|
|
cam = &gspca_dev->cam;
|
|
gspca_dev->nbalt = 7 + 1; /* choose alternate 7 first */
|
|
|
|
sd->chip_revision = id->driver_info;
|
|
if (sd->chip_revision == Rev012A) {
|
|
cam->cam_mode = sif_012a_mode;
|
|
cam->nmodes = ARRAY_SIZE(sif_012a_mode);
|
|
} else {
|
|
cam->cam_mode = sif_072a_mode;
|
|
cam->nmodes = ARRAY_SIZE(sif_072a_mode);
|
|
}
|
|
sd->brightness = BRIGHTNESS_DEF;
|
|
sd->contrast = CONTRAST_DEF;
|
|
sd->white = HUE_DEF;
|
|
sd->exposure = EXPOSURE_DEF;
|
|
sd->autogain = AUTOGAIN_DEF;
|
|
sd->gain = GAIN_DEF;
|
|
sd->expo12a = EXPO12A_DEF;
|
|
return 0;
|
|
}
|
|
|
|
/* this function is called at probe and resume time */
|
|
static int sd_init_12a(struct gspca_dev *gspca_dev)
|
|
{
|
|
PDEBUG(D_STREAM, "Chip revision: 012a");
|
|
init_161rev12A(gspca_dev);
|
|
return 0;
|
|
}
|
|
static int sd_init_72a(struct gspca_dev *gspca_dev)
|
|
{
|
|
PDEBUG(D_STREAM, "Chip revision: 072a");
|
|
write_vector(gspca_dev, rev72a_reset);
|
|
msleep(200);
|
|
write_vector(gspca_dev, rev72a_init_data1);
|
|
write_sensor_72a(gspca_dev, rev72a_init_sensor1);
|
|
write_vector(gspca_dev, rev72a_init_data2);
|
|
write_sensor_72a(gspca_dev, rev72a_init_sensor2);
|
|
reg_w_val(gspca_dev->dev, 0x8112, 0x30);
|
|
return 0;
|
|
}
|
|
|
|
/* rev 72a only */
|
|
static void setbrightness(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct usb_device *dev = gspca_dev->dev;
|
|
__u8 value;
|
|
|
|
value = sd->brightness;
|
|
|
|
/* offsets for white balance */
|
|
reg_w_val(dev, 0x8611, value); /* R */
|
|
reg_w_val(dev, 0x8612, value); /* Gr */
|
|
reg_w_val(dev, 0x8613, value); /* B */
|
|
reg_w_val(dev, 0x8614, value); /* Gb */
|
|
}
|
|
|
|
static void setwhite(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u16 white;
|
|
__u8 blue, red;
|
|
__u16 reg;
|
|
|
|
/* try to emulate MS-win as possible */
|
|
white = sd->white;
|
|
red = 0x20 + white * 3 / 8;
|
|
blue = 0x90 - white * 5 / 8;
|
|
if (sd->chip_revision == Rev012A) {
|
|
reg = 0x8614;
|
|
} else {
|
|
reg = 0x8651;
|
|
red += sd->contrast - 0x20;
|
|
blue += sd->contrast - 0x20;
|
|
}
|
|
reg_w_val(gspca_dev->dev, reg, red);
|
|
reg_w_val(gspca_dev->dev, reg + 2, blue);
|
|
}
|
|
|
|
static void setcontrast(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct usb_device *dev = gspca_dev->dev;
|
|
__u8 value;
|
|
|
|
if (sd->chip_revision != Rev072A)
|
|
return;
|
|
value = sd->contrast + 0x20;
|
|
|
|
/* gains for white balance */
|
|
setwhite(gspca_dev);
|
|
/* reg_w_val(dev, 0x8651, value); * R - done by setwhite */
|
|
reg_w_val(dev, 0x8652, value); /* Gr */
|
|
/* reg_w_val(dev, 0x8653, value); * B - done by setwhite */
|
|
reg_w_val(dev, 0x8654, value); /* Gb */
|
|
}
|
|
|
|
/* rev 12a only */
|
|
static void setexposure(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int i, expo = 0;
|
|
|
|
/* Register 0x8309 controls exposure for the spca561,
|
|
the basic exposure setting goes from 1-2047, where 1 is completely
|
|
dark and 2047 is very bright. It not only influences exposure but
|
|
also the framerate (to allow for longer exposure) from 1 - 300 it
|
|
only raises the exposure time then from 300 - 600 it halves the
|
|
framerate to be able to further raise the exposure time and for every
|
|
300 more it halves the framerate again. This allows for a maximum
|
|
exposure time of circa 0.2 - 0.25 seconds (30 / (2000/3000) fps).
|
|
Sometimes this is not enough, the 1-2047 uses bits 0-10, bits 11-12
|
|
configure a divider for the base framerate which us used at the
|
|
exposure setting of 1-300. These bits configure the base framerate
|
|
according to the following formula: fps = 60 / (value + 2) */
|
|
|
|
/* We choose to use the high bits setting the fixed framerate divisor
|
|
asap, as setting high basic exposure setting without the fixed
|
|
divider in combination with high gains makes the cam stop */
|
|
int table[] = { 0, 450, 550, 625, EXPOSURE_MAX };
|
|
|
|
for (i = 0; i < ARRAY_SIZE(table) - 1; i++) {
|
|
if (sd->exposure <= table[i + 1]) {
|
|
expo = sd->exposure - table[i];
|
|
if (i)
|
|
expo += 300;
|
|
expo |= i << 11;
|
|
break;
|
|
}
|
|
}
|
|
|
|
gspca_dev->usb_buf[0] = expo;
|
|
gspca_dev->usb_buf[1] = expo >> 8;
|
|
reg_w_buf(gspca_dev, 0x8309, 2);
|
|
}
|
|
|
|
/* rev 12a only */
|
|
static void setgain(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
/* gain reg low 6 bits 0-63 gain, bit 6 and 7, both double the
|
|
sensitivity when set, so 31 + one of them set == 63, and 15
|
|
with both of them set == 63 */
|
|
if (sd->gain < 64)
|
|
gspca_dev->usb_buf[0] = sd->gain;
|
|
else if (sd->gain < 128)
|
|
gspca_dev->usb_buf[0] = (sd->gain / 2) | 0x40;
|
|
else
|
|
gspca_dev->usb_buf[0] = (sd->gain / 4) | 0xC0;
|
|
|
|
gspca_dev->usb_buf[1] = 0;
|
|
reg_w_buf(gspca_dev, 0x8335, 2);
|
|
}
|
|
|
|
static void setautogain(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->autogain)
|
|
sd->ag_cnt = AG_CNT_START;
|
|
else
|
|
sd->ag_cnt = -1;
|
|
}
|
|
|
|
static int sd_start_12a(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct usb_device *dev = gspca_dev->dev;
|
|
int mode;
|
|
static const __u8 Reg8391[8] =
|
|
{0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00};
|
|
|
|
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
|
|
if (mode <= 1) {
|
|
/* Use compression on 320x240 and above */
|
|
reg_w_val(dev, 0x8500, 0x10 | mode);
|
|
} else {
|
|
/* I couldn't get the compression to work below 320x240
|
|
* Fortunately at these resolutions the bandwidth
|
|
* is sufficient to push raw frames at ~20fps */
|
|
reg_w_val(dev, 0x8500, mode);
|
|
} /* -- qq@kuku.eu.org */
|
|
|
|
gspca_dev->usb_buf[0] = 0xaa;
|
|
gspca_dev->usb_buf[1] = 0x00;
|
|
reg_w_buf(gspca_dev, 0x8307, 2);
|
|
/* clock - lower 0x8X values lead to fps > 30 */
|
|
reg_w_val(gspca_dev->dev, 0x8700, 0x8a);
|
|
/* 0x8f 0x85 0x27 clock */
|
|
reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
|
|
reg_w_val(gspca_dev->dev, 0x850b, 0x03);
|
|
memcpy(gspca_dev->usb_buf, Reg8391, 8);
|
|
reg_w_buf(gspca_dev, 0x8391, 8);
|
|
reg_w_buf(gspca_dev, 0x8390, 8);
|
|
setwhite(gspca_dev);
|
|
setgain(gspca_dev);
|
|
setexposure(gspca_dev);
|
|
return 0;
|
|
}
|
|
static int sd_start_72a(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct usb_device *dev = gspca_dev->dev;
|
|
int Clck;
|
|
int mode;
|
|
|
|
write_vector(gspca_dev, rev72a_reset);
|
|
msleep(200);
|
|
write_vector(gspca_dev, rev72a_init_data1);
|
|
write_sensor_72a(gspca_dev, rev72a_init_sensor1);
|
|
|
|
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
|
|
switch (mode) {
|
|
default:
|
|
case 0:
|
|
Clck = 0x27; /* ms-win 0x87 */
|
|
break;
|
|
case 1:
|
|
Clck = 0x25;
|
|
break;
|
|
case 2:
|
|
Clck = 0x22;
|
|
break;
|
|
case 3:
|
|
Clck = 0x21;
|
|
break;
|
|
}
|
|
reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */
|
|
reg_w_val(dev, 0x8702, 0x81);
|
|
reg_w_val(dev, 0x8500, mode); /* mode */
|
|
write_sensor_72a(gspca_dev, rev72a_init_sensor2);
|
|
setcontrast(gspca_dev);
|
|
/* setbrightness(gspca_dev); * fixme: bad values */
|
|
setautogain(gspca_dev);
|
|
reg_w_val(dev, 0x8112, 0x10 | 0x20);
|
|
return 0;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (sd->chip_revision == Rev012A) {
|
|
reg_w_val(gspca_dev->dev, 0x8112, 0x0e);
|
|
} else {
|
|
reg_w_val(gspca_dev->dev, 0x8112, 0x20);
|
|
/* reg_w_val(gspca_dev->dev, 0x8102, 0x00); ?? */
|
|
}
|
|
}
|
|
|
|
/* called on streamoff with alt 0 and on disconnect */
|
|
static void sd_stop0(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
if (!gspca_dev->present)
|
|
return;
|
|
if (sd->chip_revision == Rev012A) {
|
|
reg_w_val(gspca_dev->dev, 0x8118, 0x29);
|
|
reg_w_val(gspca_dev->dev, 0x8114, 0x08);
|
|
}
|
|
/* reg_w_val(gspca_dev->dev, 0x8114, 0); */
|
|
}
|
|
|
|
static void do_autogain(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int expotimes;
|
|
int pixelclk;
|
|
int gainG;
|
|
__u8 R, Gr, Gb, B;
|
|
int y;
|
|
__u8 luma_mean = 110;
|
|
__u8 luma_delta = 20;
|
|
__u8 spring = 4;
|
|
|
|
if (sd->ag_cnt < 0)
|
|
return;
|
|
if (--sd->ag_cnt >= 0)
|
|
return;
|
|
sd->ag_cnt = AG_CNT_START;
|
|
|
|
switch (sd->chip_revision) {
|
|
case Rev072A:
|
|
reg_r(gspca_dev, 0x8621, 1);
|
|
Gr = gspca_dev->usb_buf[0];
|
|
reg_r(gspca_dev, 0x8622, 1);
|
|
R = gspca_dev->usb_buf[0];
|
|
reg_r(gspca_dev, 0x8623, 1);
|
|
B = gspca_dev->usb_buf[0];
|
|
reg_r(gspca_dev, 0x8624, 1);
|
|
Gb = gspca_dev->usb_buf[0];
|
|
y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
|
|
/* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
|
|
/* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
|
|
/* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
|
|
|
|
if (y < luma_mean - luma_delta ||
|
|
y > luma_mean + luma_delta) {
|
|
expotimes = i2c_read(gspca_dev, 0x09, 0x10);
|
|
pixelclk = 0x0800;
|
|
expotimes = expotimes & 0x07ff;
|
|
/* PDEBUG(D_PACK,
|
|
"Exposition Times 0x%03X Clock 0x%04X ",
|
|
expotimes,pixelclk); */
|
|
gainG = i2c_read(gspca_dev, 0x35, 0x10);
|
|
/* PDEBUG(D_PACK,
|
|
"reading Gain register %d", gainG); */
|
|
|
|
expotimes += (luma_mean - y) >> spring;
|
|
gainG += (luma_mean - y) / 50;
|
|
/* PDEBUG(D_PACK,
|
|
"compute expotimes %d gain %d",
|
|
expotimes,gainG); */
|
|
|
|
if (gainG > 0x3f)
|
|
gainG = 0x3f;
|
|
else if (gainG < 3)
|
|
gainG = 3;
|
|
i2c_write(gspca_dev, gainG, 0x35);
|
|
|
|
if (expotimes > 0x0256)
|
|
expotimes = 0x0256;
|
|
else if (expotimes < 3)
|
|
expotimes = 3;
|
|
i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
struct gspca_frame *frame, /* target */
|
|
__u8 *data, /* isoc packet */
|
|
int len) /* iso packet length */
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
len--;
|
|
switch (*data++) { /* sequence number */
|
|
case 0: /* start of frame */
|
|
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
|
|
data, 0);
|
|
if (data[1] & 0x10) {
|
|
/* compressed bayer */
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
frame, data, len);
|
|
} else {
|
|
/* raw bayer (with a header, which we skip) */
|
|
if (sd->chip_revision == Rev012A) {
|
|
data += 20;
|
|
len -= 20;
|
|
} else {
|
|
data += 16;
|
|
len -= 16;
|
|
}
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
frame, data, len);
|
|
}
|
|
return;
|
|
case 0xff: /* drop (empty mpackets) */
|
|
return;
|
|
}
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
|
|
}
|
|
|
|
/* rev 72a only */
|
|
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->brightness = val;
|
|
if (gspca_dev->streaming)
|
|
setbrightness(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->brightness;
|
|
return 0;
|
|
}
|
|
|
|
/* rev 72a only */
|
|
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->contrast = val;
|
|
if (gspca_dev->streaming)
|
|
setcontrast(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->contrast;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->autogain = val;
|
|
if (gspca_dev->streaming)
|
|
setautogain(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->autogain;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->white = val;
|
|
if (gspca_dev->streaming)
|
|
setwhite(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getwhite(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->white;
|
|
return 0;
|
|
}
|
|
|
|
/* rev12a only */
|
|
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->exposure = val;
|
|
if (gspca_dev->streaming)
|
|
setexposure(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->exposure;
|
|
return 0;
|
|
}
|
|
|
|
/* rev12a only */
|
|
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->gain = val;
|
|
if (gspca_dev->streaming)
|
|
setgain(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->gain;
|
|
return 0;
|
|
}
|
|
|
|
/* control tables */
|
|
static struct ctrl sd_ctrls_12a[] = {
|
|
{
|
|
{
|
|
.id = V4L2_CID_HUE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Hue",
|
|
.minimum = HUE_MIN,
|
|
.maximum = HUE_MAX,
|
|
.step = 1,
|
|
.default_value = HUE_DEF,
|
|
},
|
|
.set = sd_setwhite,
|
|
.get = sd_getwhite,
|
|
},
|
|
{
|
|
{
|
|
.id = V4L2_CID_EXPOSURE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Exposure",
|
|
.minimum = EXPOSURE_MIN,
|
|
.maximum = EXPOSURE_MAX,
|
|
.step = 1,
|
|
.default_value = EXPOSURE_DEF,
|
|
},
|
|
.set = sd_setexposure,
|
|
.get = sd_getexposure,
|
|
},
|
|
{
|
|
{
|
|
.id = V4L2_CID_GAIN,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Gain",
|
|
.minimum = GAIN_MIN,
|
|
.maximum = GAIN_MAX,
|
|
.step = 1,
|
|
.default_value = GAIN_DEF,
|
|
},
|
|
.set = sd_setgain,
|
|
.get = sd_getgain,
|
|
},
|
|
};
|
|
|
|
static struct ctrl sd_ctrls_72a[] = {
|
|
{
|
|
{
|
|
.id = V4L2_CID_HUE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Hue",
|
|
.minimum = HUE_MIN,
|
|
.maximum = HUE_MAX,
|
|
.step = 1,
|
|
.default_value = HUE_DEF,
|
|
},
|
|
.set = sd_setwhite,
|
|
.get = sd_getwhite,
|
|
},
|
|
{
|
|
{
|
|
.id = V4L2_CID_BRIGHTNESS,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Brightness",
|
|
.minimum = BRIGHTNESS_MIN,
|
|
.maximum = BRIGHTNESS_MAX,
|
|
.step = 1,
|
|
.default_value = BRIGHTNESS_DEF,
|
|
},
|
|
.set = sd_setbrightness,
|
|
.get = sd_getbrightness,
|
|
},
|
|
{
|
|
{
|
|
.id = V4L2_CID_CONTRAST,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Contrast",
|
|
.minimum = CONTRAST_MIN,
|
|
.maximum = CONTRAST_MAX,
|
|
.step = 1,
|
|
.default_value = CONTRAST_DEF,
|
|
},
|
|
.set = sd_setcontrast,
|
|
.get = sd_getcontrast,
|
|
},
|
|
{
|
|
{
|
|
.id = V4L2_CID_AUTOGAIN,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "Auto Gain",
|
|
.minimum = AUTOGAIN_MIN,
|
|
.maximum = AUTOGAIN_MAX,
|
|
.step = 1,
|
|
.default_value = AUTOGAIN_DEF,
|
|
},
|
|
.set = sd_setautogain,
|
|
.get = sd_getautogain,
|
|
},
|
|
};
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc_12a = {
|
|
.name = MODULE_NAME,
|
|
.ctrls = sd_ctrls_12a,
|
|
.nctrls = ARRAY_SIZE(sd_ctrls_12a),
|
|
.config = sd_config,
|
|
.init = sd_init_12a,
|
|
.start = sd_start_12a,
|
|
.stopN = sd_stopN,
|
|
.stop0 = sd_stop0,
|
|
.pkt_scan = sd_pkt_scan,
|
|
};
|
|
static const struct sd_desc sd_desc_72a = {
|
|
.name = MODULE_NAME,
|
|
.ctrls = sd_ctrls_72a,
|
|
.nctrls = ARRAY_SIZE(sd_ctrls_72a),
|
|
.config = sd_config,
|
|
.init = sd_init_72a,
|
|
.start = sd_start_72a,
|
|
.stopN = sd_stopN,
|
|
.stop0 = sd_stop0,
|
|
.pkt_scan = sd_pkt_scan,
|
|
.dq_callback = do_autogain,
|
|
};
|
|
static const struct sd_desc *sd_desc[2] = {
|
|
&sd_desc_12a,
|
|
&sd_desc_72a
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const __devinitdata struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
|
|
{USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
|
|
{USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
|
|
{USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
|
|
{USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
|
|
{USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
|
|
{USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, device_table);
|
|
|
|
/* -- device connect -- */
|
|
static int sd_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
return gspca_dev_probe(intf, id,
|
|
sd_desc[id->driver_info],
|
|
sizeof(struct sd),
|
|
THIS_MODULE);
|
|
}
|
|
|
|
static struct usb_driver sd_driver = {
|
|
.name = MODULE_NAME,
|
|
.id_table = device_table,
|
|
.probe = sd_probe,
|
|
.disconnect = gspca_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = gspca_suspend,
|
|
.resume = gspca_resume,
|
|
#endif
|
|
};
|
|
|
|
/* -- module insert / remove -- */
|
|
static int __init sd_mod_init(void)
|
|
{
|
|
int ret;
|
|
ret = usb_register(&sd_driver);
|
|
if (ret < 0)
|
|
return ret;
|
|
PDEBUG(D_PROBE, "registered");
|
|
return 0;
|
|
}
|
|
static void __exit sd_mod_exit(void)
|
|
{
|
|
usb_deregister(&sd_driver);
|
|
PDEBUG(D_PROBE, "deregistered");
|
|
}
|
|
|
|
module_init(sd_mod_init);
|
|
module_exit(sd_mod_exit);
|