forked from Minki/linux
3e4d8f48b9
Use codespell to fix lots of typos over frontends. Manually verified to avoid false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
1088 lines
30 KiB
C
1088 lines
30 KiB
C
/*
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* Mars MR97310A library
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*
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* The original mr97310a driver, which supported the Aiptek Pencam VGA+, is
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* Copyright (C) 2009 Kyle Guinn <elyk03@gmail.com>
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*
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* Support for the MR97310A cameras in addition to the Aiptek Pencam VGA+
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* and for the routines for detecting and classifying these various cameras,
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* is Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
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*
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* Support for the control settings for the CIF cameras is
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* Copyright (C) 2009 Hans de Goede <hdegoede@redhat.com> and
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* Thomas Kaiser <thomas@kaiser-linux.li>
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*
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* Support for the control settings for the VGA cameras is
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* Copyright (C) 2009 Theodore Kilgore <kilgota@auburn.edu>
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*
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* Several previously unsupported cameras are owned and have been tested by
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* Hans de Goede <hdegoede@redhat.com> and
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* Thomas Kaiser <thomas@kaiser-linux.li> and
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* Theodore Kilgore <kilgota@auburn.edu> and
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* Edmond Rodriguez <erodrig_97@yahoo.com> and
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* Aurelien Jacobs <aurel@gnuage.org>
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*
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* The MR97311A support in gspca/mars.c has been helpful in understanding some
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* of the registers in these cameras.
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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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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define MODULE_NAME "mr97310a"
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#include "gspca.h"
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#define CAM_TYPE_CIF 0
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#define CAM_TYPE_VGA 1
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#define MR97310A_BRIGHTNESS_DEFAULT 0
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#define MR97310A_EXPOSURE_MIN 0
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#define MR97310A_EXPOSURE_MAX 4095
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#define MR97310A_EXPOSURE_DEFAULT 1000
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#define MR97310A_GAIN_MIN 0
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#define MR97310A_GAIN_MAX 31
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#define MR97310A_GAIN_DEFAULT 25
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#define MR97310A_CONTRAST_MIN 0
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#define MR97310A_CONTRAST_MAX 31
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#define MR97310A_CONTRAST_DEFAULT 23
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#define MR97310A_CS_GAIN_MIN 0
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#define MR97310A_CS_GAIN_MAX 0x7ff
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#define MR97310A_CS_GAIN_DEFAULT 0x110
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#define MR97310A_CID_CLOCKDIV (V4L2_CTRL_CLASS_USER + 0x1000)
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#define MR97310A_MIN_CLOCKDIV_MIN 3
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#define MR97310A_MIN_CLOCKDIV_MAX 8
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#define MR97310A_MIN_CLOCKDIV_DEFAULT 3
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MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>,Theodore Kilgore <kilgota@auburn.edu>");
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MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* global parameters */
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static int force_sensor_type = -1;
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module_param(force_sensor_type, int, 0644);
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MODULE_PARM_DESC(force_sensor_type, "Force sensor type (-1 (auto), 0 or 1)");
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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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struct { /* exposure/min_clockdiv control cluster */
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *min_clockdiv;
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};
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u8 sof_read;
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u8 cam_type; /* 0 is CIF and 1 is VGA */
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u8 sensor_type; /* We use 0 and 1 here, too. */
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u8 do_lcd_stop;
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u8 adj_colors;
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};
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struct sensor_w_data {
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u8 reg;
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u8 flags;
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u8 data[16];
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int len;
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};
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static void sd_stopN(struct gspca_dev *gspca_dev);
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_MR97310A, 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 = 4},
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{176, 144, V4L2_PIX_FMT_MR97310A, 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 = 3},
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{320, 240, V4L2_PIX_FMT_MR97310A, 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 = 2},
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{352, 288, V4L2_PIX_FMT_MR97310A, 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 = 1},
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{640, 480, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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/* the bytes to write are in gspca_dev->usb_buf */
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static int mr_write(struct gspca_dev *gspca_dev, int len)
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{
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int rc;
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rc = usb_bulk_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 4),
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gspca_dev->usb_buf, len, NULL, 500);
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if (rc < 0)
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pr_err("reg write [%02x] error %d\n",
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gspca_dev->usb_buf[0], rc);
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return rc;
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}
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/* the bytes are read into gspca_dev->usb_buf */
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static int mr_read(struct gspca_dev *gspca_dev, int len)
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{
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int rc;
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rc = usb_bulk_msg(gspca_dev->dev,
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usb_rcvbulkpipe(gspca_dev->dev, 3),
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gspca_dev->usb_buf, len, NULL, 500);
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if (rc < 0)
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pr_err("reg read [%02x] error %d\n",
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gspca_dev->usb_buf[0], rc);
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return rc;
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}
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static int sensor_write_reg(struct gspca_dev *gspca_dev, u8 reg, u8 flags,
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const u8 *data, int len)
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{
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gspca_dev->usb_buf[0] = 0x1f;
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gspca_dev->usb_buf[1] = flags;
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gspca_dev->usb_buf[2] = reg;
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memcpy(gspca_dev->usb_buf + 3, data, len);
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return mr_write(gspca_dev, len + 3);
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}
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static int sensor_write_regs(struct gspca_dev *gspca_dev,
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const struct sensor_w_data *data, int len)
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{
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int i, rc;
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for (i = 0; i < len; i++) {
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rc = sensor_write_reg(gspca_dev, data[i].reg, data[i].flags,
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data[i].data, data[i].len);
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if (rc < 0)
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return rc;
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}
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return 0;
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}
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static int sensor_write1(struct gspca_dev *gspca_dev, u8 reg, u8 data)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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u8 buf, confirm_reg;
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int rc;
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buf = data;
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if (sd->cam_type == CAM_TYPE_CIF) {
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rc = sensor_write_reg(gspca_dev, reg, 0x01, &buf, 1);
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confirm_reg = sd->sensor_type ? 0x13 : 0x11;
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} else {
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rc = sensor_write_reg(gspca_dev, reg, 0x00, &buf, 1);
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confirm_reg = 0x11;
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}
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if (rc < 0)
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return rc;
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buf = 0x01;
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rc = sensor_write_reg(gspca_dev, confirm_reg, 0x00, &buf, 1);
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if (rc < 0)
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return rc;
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return 0;
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}
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static int cam_get_response16(struct gspca_dev *gspca_dev, u8 reg, int verbose)
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{
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int err_code;
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gspca_dev->usb_buf[0] = reg;
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err_code = mr_write(gspca_dev, 1);
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if (err_code < 0)
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return err_code;
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err_code = mr_read(gspca_dev, 16);
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if (err_code < 0)
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return err_code;
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if (verbose)
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gspca_dbg(gspca_dev, D_PROBE, "Register: %02x reads %02x%02x%02x\n",
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reg,
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gspca_dev->usb_buf[0],
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gspca_dev->usb_buf[1],
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gspca_dev->usb_buf[2]);
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return 0;
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}
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static int zero_the_pointer(struct gspca_dev *gspca_dev)
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{
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__u8 *data = gspca_dev->usb_buf;
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int err_code;
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u8 status = 0;
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int tries = 0;
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0x51;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0xba;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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if (err_code < 0)
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return err_code;
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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while (status != 0x0a && tries < 256) {
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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status = data[0];
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tries++;
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if (err_code < 0)
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return err_code;
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}
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if (status != 0x0a)
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gspca_err(gspca_dev, "status is %02x\n", status);
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tries = 0;
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while (tries < 4) {
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data[0] = 0x19;
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data[1] = 0x00;
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err_code = mr_write(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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err_code = cam_get_response16(gspca_dev, 0x21, 0);
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status = data[0];
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tries++;
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if (err_code < 0)
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return err_code;
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}
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data[0] = 0x19;
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err_code = mr_write(gspca_dev, 1);
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if (err_code < 0)
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return err_code;
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err_code = mr_read(gspca_dev, 16);
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if (err_code < 0)
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return err_code;
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return 0;
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}
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static int stream_start(struct gspca_dev *gspca_dev)
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{
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gspca_dev->usb_buf[0] = 0x01;
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gspca_dev->usb_buf[1] = 0x01;
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return mr_write(gspca_dev, 2);
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}
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static void stream_stop(struct gspca_dev *gspca_dev)
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{
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gspca_dev->usb_buf[0] = 0x01;
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gspca_dev->usb_buf[1] = 0x00;
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if (mr_write(gspca_dev, 2) < 0)
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gspca_err(gspca_dev, "Stream Stop failed\n");
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}
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static void lcd_stop(struct gspca_dev *gspca_dev)
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{
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gspca_dev->usb_buf[0] = 0x19;
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gspca_dev->usb_buf[1] = 0x54;
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if (mr_write(gspca_dev, 2) < 0)
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gspca_err(gspca_dev, "LCD Stop failed\n");
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}
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static int isoc_enable(struct gspca_dev *gspca_dev)
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{
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gspca_dev->usb_buf[0] = 0x00;
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gspca_dev->usb_buf[1] = 0x4d; /* ISOC transferring enable... */
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return mr_write(gspca_dev, 2);
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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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int err_code;
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cam = &gspca_dev->cam;
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cam->cam_mode = vga_mode;
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cam->nmodes = ARRAY_SIZE(vga_mode);
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sd->do_lcd_stop = 0;
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/* Several of the supported CIF cameras share the same USB ID but
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* require different initializations and different control settings.
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* The same is true of the VGA cameras. Therefore, we are forced
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* to start the initialization process in order to determine which
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* camera is present. Some of the supported cameras require the
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* memory pointer to be set to 0 as the very first item of business
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* or else they will not stream. So we do that immediately.
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*/
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err_code = zero_the_pointer(gspca_dev);
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if (err_code < 0)
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return err_code;
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err_code = stream_start(gspca_dev);
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if (err_code < 0)
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return err_code;
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/* Now, the query for sensor type. */
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err_code = cam_get_response16(gspca_dev, 0x07, 1);
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if (err_code < 0)
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return err_code;
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if (id->idProduct == 0x0110 || id->idProduct == 0x010e) {
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sd->cam_type = CAM_TYPE_CIF;
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cam->nmodes--;
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/*
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* All but one of the known CIF cameras share the same USB ID,
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* but two different init routines are in use, and the control
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* settings are different, too. We need to detect which camera
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* of the two known varieties is connected!
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*
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* A list of known CIF cameras follows. They all report either
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* 0200 for type 0 or 0300 for type 1.
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* If you have another to report, please do
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*
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* Name sd->sensor_type reported by
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*
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* Sakar 56379 Spy-shot 0 T. Kilgore
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* Innovage 0 T. Kilgore
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* Vivitar Mini 0 H. De Goede
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* Vivitar Mini 0 E. Rodriguez
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* Vivitar Mini 1 T. Kilgore
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* Elta-Media 8212dc 1 T. Kaiser
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* Philips dig. keych. 1 T. Kilgore
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* Trust Spyc@m 100 1 A. Jacobs
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*/
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switch (gspca_dev->usb_buf[0]) {
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case 2:
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sd->sensor_type = 0;
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break;
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case 3:
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sd->sensor_type = 1;
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break;
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default:
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pr_err("Unknown CIF Sensor id : %02x\n",
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gspca_dev->usb_buf[1]);
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return -ENODEV;
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}
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gspca_dbg(gspca_dev, D_PROBE, "MR97310A CIF camera detected, sensor: %d\n",
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sd->sensor_type);
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} else {
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sd->cam_type = CAM_TYPE_VGA;
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/*
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* Here is a table of the responses to the query for sensor
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* type, from the known MR97310A VGA cameras. Six different
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* cameras of which five share the same USB ID.
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*
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* Name gspca_dev->usb_buf[] sd->sensor_type
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* sd->do_lcd_stop
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* Aiptek Pencam VGA+ 0300 0 1
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* ION digital 0300 0 1
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* Argus DC-1620 0450 1 0
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* Argus QuickClix 0420 1 1
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* Sakar 77379 Digital 0350 0 1
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* Sakar 1638x CyberPix 0120 0 2
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*
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* Based upon these results, we assume default settings
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* and then correct as necessary, as follows.
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*
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*/
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sd->sensor_type = 1;
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sd->do_lcd_stop = 0;
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sd->adj_colors = 0;
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if (gspca_dev->usb_buf[0] == 0x01) {
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sd->sensor_type = 2;
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} else if ((gspca_dev->usb_buf[0] != 0x03) &&
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(gspca_dev->usb_buf[0] != 0x04)) {
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pr_err("Unknown VGA Sensor id Byte 0: %02x\n",
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gspca_dev->usb_buf[0]);
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pr_err("Defaults assumed, may not work\n");
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pr_err("Please report this\n");
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}
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/* Sakar Digital color needs to be adjusted. */
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if ((gspca_dev->usb_buf[0] == 0x03) &&
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(gspca_dev->usb_buf[1] == 0x50))
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sd->adj_colors = 1;
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if (gspca_dev->usb_buf[0] == 0x04) {
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sd->do_lcd_stop = 1;
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switch (gspca_dev->usb_buf[1]) {
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case 0x50:
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sd->sensor_type = 0;
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gspca_dbg(gspca_dev, D_PROBE, "sensor_type corrected to 0\n");
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break;
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case 0x20:
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/* Nothing to do here. */
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break;
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default:
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pr_err("Unknown VGA Sensor id Byte 1: %02x\n",
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gspca_dev->usb_buf[1]);
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pr_err("Defaults assumed, may not work\n");
|
|
pr_err("Please report this\n");
|
|
}
|
|
}
|
|
gspca_dbg(gspca_dev, D_PROBE, "MR97310A VGA camera detected, sensor: %d\n",
|
|
sd->sensor_type);
|
|
}
|
|
/* Stop streaming as we've started it only to probe the sensor type. */
|
|
sd_stopN(gspca_dev);
|
|
|
|
if (force_sensor_type != -1) {
|
|
sd->sensor_type = !!force_sensor_type;
|
|
gspca_dbg(gspca_dev, D_PROBE, "Forcing sensor type to: %d\n",
|
|
sd->sensor_type);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* this function is called at probe and resume time */
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int start_cif_cam(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u8 *data = gspca_dev->usb_buf;
|
|
int err_code;
|
|
static const __u8 startup_string[] = {
|
|
0x00,
|
|
0x0d,
|
|
0x01,
|
|
0x00, /* Hsize/8 for 352 or 320 */
|
|
0x00, /* Vsize/4 for 288 or 240 */
|
|
0x13, /* or 0xbb, depends on sensor */
|
|
0x00, /* Hstart, depends on res. */
|
|
0x00, /* reserved ? */
|
|
0x00, /* Vstart, depends on res. and sensor */
|
|
0x50, /* 0x54 to get 176 or 160 */
|
|
0xc0
|
|
};
|
|
|
|
/* Note: Some of the above descriptions guessed from MR97113A driver */
|
|
|
|
memcpy(data, startup_string, 11);
|
|
if (sd->sensor_type)
|
|
data[5] = 0xbb;
|
|
|
|
switch (gspca_dev->pixfmt.width) {
|
|
case 160:
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down from 320 */
|
|
/* fall through */
|
|
case 320:
|
|
default:
|
|
data[3] = 0x28; /* reg 2, H size/8 */
|
|
data[4] = 0x3c; /* reg 3, V size/4 */
|
|
data[6] = 0x14; /* reg 5, H start */
|
|
data[8] = 0x1a + sd->sensor_type; /* reg 7, V start */
|
|
break;
|
|
case 176:
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down from 352 */
|
|
/* fall through */
|
|
case 352:
|
|
data[3] = 0x2c; /* reg 2, H size/8 */
|
|
data[4] = 0x48; /* reg 3, V size/4 */
|
|
data[6] = 0x06; /* reg 5, H start */
|
|
data[8] = 0x06 - sd->sensor_type; /* reg 7, V start */
|
|
break;
|
|
}
|
|
err_code = mr_write(gspca_dev, 11);
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
if (!sd->sensor_type) {
|
|
static const struct sensor_w_data cif_sensor0_init_data[] = {
|
|
{0x02, 0x00, {0x03, 0x5a, 0xb5, 0x01,
|
|
0x0f, 0x14, 0x0f, 0x10}, 8},
|
|
{0x0c, 0x00, {0x04, 0x01, 0x01, 0x00, 0x1f}, 5},
|
|
{0x12, 0x00, {0x07}, 1},
|
|
{0x1f, 0x00, {0x06}, 1},
|
|
{0x27, 0x00, {0x04}, 1},
|
|
{0x29, 0x00, {0x0c}, 1},
|
|
{0x40, 0x00, {0x40, 0x00, 0x04}, 3},
|
|
{0x50, 0x00, {0x60}, 1},
|
|
{0x60, 0x00, {0x06}, 1},
|
|
{0x6b, 0x00, {0x85, 0x85, 0xc8, 0xc8, 0xc8, 0xc8}, 6},
|
|
{0x72, 0x00, {0x1e, 0x56}, 2},
|
|
{0x75, 0x00, {0x58, 0x40, 0xa2, 0x02, 0x31, 0x02,
|
|
0x31, 0x80, 0x00}, 9},
|
|
{0x11, 0x00, {0x01}, 1},
|
|
{0, 0, {0}, 0}
|
|
};
|
|
err_code = sensor_write_regs(gspca_dev, cif_sensor0_init_data,
|
|
ARRAY_SIZE(cif_sensor0_init_data));
|
|
} else { /* sd->sensor_type = 1 */
|
|
static const struct sensor_w_data cif_sensor1_init_data[] = {
|
|
/* Reg 3,4, 7,8 get set by the controls */
|
|
{0x02, 0x00, {0x10}, 1},
|
|
{0x05, 0x01, {0x22}, 1}, /* 5/6 also seen as 65h/32h */
|
|
{0x06, 0x01, {0x00}, 1},
|
|
{0x09, 0x02, {0x0e}, 1},
|
|
{0x0a, 0x02, {0x05}, 1},
|
|
{0x0b, 0x02, {0x05}, 1},
|
|
{0x0c, 0x02, {0x0f}, 1},
|
|
{0x0d, 0x02, {0x07}, 1},
|
|
{0x0e, 0x02, {0x0c}, 1},
|
|
{0x0f, 0x00, {0x00}, 1},
|
|
{0x10, 0x00, {0x06}, 1},
|
|
{0x11, 0x00, {0x07}, 1},
|
|
{0x12, 0x00, {0x00}, 1},
|
|
{0x13, 0x00, {0x01}, 1},
|
|
{0, 0, {0}, 0}
|
|
};
|
|
/* Without this command the cam won't work with USB-UHCI */
|
|
gspca_dev->usb_buf[0] = 0x0a;
|
|
gspca_dev->usb_buf[1] = 0x00;
|
|
err_code = mr_write(gspca_dev, 2);
|
|
if (err_code < 0)
|
|
return err_code;
|
|
err_code = sensor_write_regs(gspca_dev, cif_sensor1_init_data,
|
|
ARRAY_SIZE(cif_sensor1_init_data));
|
|
}
|
|
return err_code;
|
|
}
|
|
|
|
static int start_vga_cam(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u8 *data = gspca_dev->usb_buf;
|
|
int err_code;
|
|
static const __u8 startup_string[] =
|
|
{0x00, 0x0d, 0x01, 0x00, 0x00, 0x2b, 0x00, 0x00,
|
|
0x00, 0x50, 0xc0};
|
|
/* What some of these mean is explained in start_cif_cam(), above */
|
|
|
|
memcpy(data, startup_string, 11);
|
|
if (!sd->sensor_type) {
|
|
data[5] = 0x00;
|
|
data[10] = 0x91;
|
|
}
|
|
if (sd->sensor_type == 2) {
|
|
data[5] = 0x00;
|
|
data[10] = 0x18;
|
|
}
|
|
|
|
switch (gspca_dev->pixfmt.width) {
|
|
case 160:
|
|
data[9] |= 0x0c; /* reg 8, 4:1 scale down */
|
|
/* fall through */
|
|
case 320:
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down */
|
|
/* fall through */
|
|
case 640:
|
|
default:
|
|
data[3] = 0x50; /* reg 2, H size/8 */
|
|
data[4] = 0x78; /* reg 3, V size/4 */
|
|
data[6] = 0x04; /* reg 5, H start */
|
|
data[8] = 0x03; /* reg 7, V start */
|
|
if (sd->sensor_type == 2) {
|
|
data[6] = 2;
|
|
data[8] = 1;
|
|
}
|
|
if (sd->do_lcd_stop)
|
|
data[8] = 0x04; /* Bayer tile shifted */
|
|
break;
|
|
|
|
case 176:
|
|
data[9] |= 0x04; /* reg 8, 2:1 scale down */
|
|
/* fall through */
|
|
case 352:
|
|
data[3] = 0x2c; /* reg 2, H size */
|
|
data[4] = 0x48; /* reg 3, V size */
|
|
data[6] = 0x94; /* reg 5, H start */
|
|
data[8] = 0x63; /* reg 7, V start */
|
|
if (sd->do_lcd_stop)
|
|
data[8] = 0x64; /* Bayer tile shifted */
|
|
break;
|
|
}
|
|
|
|
err_code = mr_write(gspca_dev, 11);
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
if (!sd->sensor_type) {
|
|
static const struct sensor_w_data vga_sensor0_init_data[] = {
|
|
{0x01, 0x00, {0x0c, 0x00, 0x04}, 3},
|
|
{0x14, 0x00, {0x01, 0xe4, 0x02, 0x84}, 4},
|
|
{0x20, 0x00, {0x00, 0x80, 0x00, 0x08}, 4},
|
|
{0x25, 0x00, {0x03, 0xa9, 0x80}, 3},
|
|
{0x30, 0x00, {0x30, 0x18, 0x10, 0x18}, 4},
|
|
{0, 0, {0}, 0}
|
|
};
|
|
err_code = sensor_write_regs(gspca_dev, vga_sensor0_init_data,
|
|
ARRAY_SIZE(vga_sensor0_init_data));
|
|
} else if (sd->sensor_type == 1) {
|
|
static const struct sensor_w_data color_adj[] = {
|
|
{0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
|
|
/* adjusted blue, green, red gain correct
|
|
too much blue from the Sakar Digital */
|
|
0x05, 0x01, 0x04}, 8}
|
|
};
|
|
|
|
static const struct sensor_w_data color_no_adj[] = {
|
|
{0x02, 0x00, {0x06, 0x59, 0x0c, 0x16, 0x00,
|
|
/* default blue, green, red gain settings */
|
|
0x07, 0x00, 0x01}, 8}
|
|
};
|
|
|
|
static const struct sensor_w_data vga_sensor1_init_data[] = {
|
|
{0x11, 0x04, {0x01}, 1},
|
|
{0x0a, 0x00, {0x00, 0x01, 0x00, 0x00, 0x01,
|
|
/* These settings may be better for some cameras */
|
|
/* {0x0a, 0x00, {0x01, 0x06, 0x00, 0x00, 0x01, */
|
|
0x00, 0x0a}, 7},
|
|
{0x11, 0x04, {0x01}, 1},
|
|
{0x12, 0x00, {0x00, 0x63, 0x00, 0x70, 0x00, 0x00}, 6},
|
|
{0x11, 0x04, {0x01}, 1},
|
|
{0, 0, {0}, 0}
|
|
};
|
|
|
|
if (sd->adj_colors)
|
|
err_code = sensor_write_regs(gspca_dev, color_adj,
|
|
ARRAY_SIZE(color_adj));
|
|
else
|
|
err_code = sensor_write_regs(gspca_dev, color_no_adj,
|
|
ARRAY_SIZE(color_no_adj));
|
|
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
err_code = sensor_write_regs(gspca_dev, vga_sensor1_init_data,
|
|
ARRAY_SIZE(vga_sensor1_init_data));
|
|
} else { /* sensor type == 2 */
|
|
static const struct sensor_w_data vga_sensor2_init_data[] = {
|
|
|
|
{0x01, 0x00, {0x48}, 1},
|
|
{0x02, 0x00, {0x22}, 1},
|
|
/* Reg 3 msb and 4 is lsb of the exposure setting*/
|
|
{0x05, 0x00, {0x10}, 1},
|
|
{0x06, 0x00, {0x00}, 1},
|
|
{0x07, 0x00, {0x00}, 1},
|
|
{0x08, 0x00, {0x00}, 1},
|
|
{0x09, 0x00, {0x00}, 1},
|
|
/* The following are used in the gain control
|
|
* which is BTW completely borked in the OEM driver
|
|
* The values for each color go from 0 to 0x7ff
|
|
*{0x0a, 0x00, {0x01}, 1}, green1 gain msb
|
|
*{0x0b, 0x00, {0x10}, 1}, green1 gain lsb
|
|
*{0x0c, 0x00, {0x01}, 1}, red gain msb
|
|
*{0x0d, 0x00, {0x10}, 1}, red gain lsb
|
|
*{0x0e, 0x00, {0x01}, 1}, blue gain msb
|
|
*{0x0f, 0x00, {0x10}, 1}, blue gain lsb
|
|
*{0x10, 0x00, {0x01}, 1}, green2 gain msb
|
|
*{0x11, 0x00, {0x10}, 1}, green2 gain lsb
|
|
*/
|
|
{0x12, 0x00, {0x00}, 1},
|
|
{0x13, 0x00, {0x04}, 1}, /* weird effect on colors */
|
|
{0x14, 0x00, {0x00}, 1},
|
|
{0x15, 0x00, {0x06}, 1},
|
|
{0x16, 0x00, {0x01}, 1},
|
|
{0x17, 0x00, {0xe2}, 1}, /* vertical alignment */
|
|
{0x18, 0x00, {0x02}, 1},
|
|
{0x19, 0x00, {0x82}, 1}, /* don't mess with */
|
|
{0x1a, 0x00, {0x00}, 1},
|
|
{0x1b, 0x00, {0x20}, 1},
|
|
/* {0x1c, 0x00, {0x17}, 1}, contrast control */
|
|
{0x1d, 0x00, {0x80}, 1}, /* moving causes a mess */
|
|
{0x1e, 0x00, {0x08}, 1}, /* moving jams the camera */
|
|
{0x1f, 0x00, {0x0c}, 1},
|
|
{0x20, 0x00, {0x00}, 1},
|
|
{0, 0, {0}, 0}
|
|
};
|
|
err_code = sensor_write_regs(gspca_dev, vga_sensor2_init_data,
|
|
ARRAY_SIZE(vga_sensor2_init_data));
|
|
}
|
|
return err_code;
|
|
}
|
|
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int err_code;
|
|
|
|
sd->sof_read = 0;
|
|
|
|
/* Some of the VGA cameras require the memory pointer
|
|
* to be set to 0 again. We have been forced to start the
|
|
* stream in sd_config() to detect the hardware, and closed it.
|
|
* Thus, we need here to do a completely fresh and clean start. */
|
|
err_code = zero_the_pointer(gspca_dev);
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
err_code = stream_start(gspca_dev);
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
if (sd->cam_type == CAM_TYPE_CIF) {
|
|
err_code = start_cif_cam(gspca_dev);
|
|
} else {
|
|
err_code = start_vga_cam(gspca_dev);
|
|
}
|
|
if (err_code < 0)
|
|
return err_code;
|
|
|
|
return isoc_enable(gspca_dev);
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
stream_stop(gspca_dev);
|
|
/* Not all the cams need this, but even if not, probably a good idea */
|
|
zero_the_pointer(gspca_dev);
|
|
if (sd->do_lcd_stop)
|
|
lcd_stop(gspca_dev);
|
|
}
|
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 sign_reg = 7; /* This reg and the next one used on CIF cams. */
|
|
u8 value_reg = 8; /* VGA cams seem to use regs 0x0b and 0x0c */
|
|
static const u8 quick_clix_table[] =
|
|
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */
|
|
{ 0, 4, 8, 12, 1, 2, 3, 5, 6, 9, 7, 10, 13, 11, 14, 15};
|
|
if (sd->cam_type == CAM_TYPE_VGA) {
|
|
sign_reg += 4;
|
|
value_reg += 4;
|
|
}
|
|
|
|
/* Note register 7 is also seen as 0x8x or 0xCx in some dumps */
|
|
if (val > 0) {
|
|
sensor_write1(gspca_dev, sign_reg, 0x00);
|
|
} else {
|
|
sensor_write1(gspca_dev, sign_reg, 0x01);
|
|
val = 257 - val;
|
|
}
|
|
/* Use lookup table for funky Argus QuickClix brightness */
|
|
if (sd->do_lcd_stop)
|
|
val = quick_clix_table[val];
|
|
|
|
sensor_write1(gspca_dev, value_reg, val);
|
|
}
|
|
|
|
static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 min_clockdiv)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int exposure = MR97310A_EXPOSURE_DEFAULT;
|
|
u8 buf[2];
|
|
|
|
if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1) {
|
|
/* This cam does not like exposure settings < 300,
|
|
so scale 0 - 4095 to 300 - 4095 */
|
|
exposure = (expo * 9267) / 10000 + 300;
|
|
sensor_write1(gspca_dev, 3, exposure >> 4);
|
|
sensor_write1(gspca_dev, 4, exposure & 0x0f);
|
|
} else if (sd->sensor_type == 2) {
|
|
exposure = expo;
|
|
exposure >>= 3;
|
|
sensor_write1(gspca_dev, 3, exposure >> 8);
|
|
sensor_write1(gspca_dev, 4, exposure & 0xff);
|
|
} else {
|
|
/* We have both a clock divider and an exposure register.
|
|
We first calculate the clock divider, as that determines
|
|
the maximum exposure and then we calculate the exposure
|
|
register setting (which goes from 0 - 511).
|
|
|
|
Note our 0 - 4095 exposure is mapped to 0 - 511
|
|
milliseconds exposure time */
|
|
u8 clockdiv = (60 * expo + 7999) / 8000;
|
|
|
|
/* Limit framerate to not exceed usb bandwidth */
|
|
if (clockdiv < min_clockdiv && gspca_dev->pixfmt.width >= 320)
|
|
clockdiv = min_clockdiv;
|
|
else if (clockdiv < 2)
|
|
clockdiv = 2;
|
|
|
|
if (sd->cam_type == CAM_TYPE_VGA && clockdiv < 4)
|
|
clockdiv = 4;
|
|
|
|
/* Frame exposure time in ms = 1000 * clockdiv / 60 ->
|
|
exposure = (sd->exposure / 8) * 511 / (1000 * clockdiv / 60) */
|
|
exposure = (60 * 511 * expo) / (8000 * clockdiv);
|
|
if (exposure > 511)
|
|
exposure = 511;
|
|
|
|
/* exposure register value is reversed! */
|
|
exposure = 511 - exposure;
|
|
|
|
buf[0] = exposure & 0xff;
|
|
buf[1] = exposure >> 8;
|
|
sensor_write_reg(gspca_dev, 0x0e, 0, buf, 2);
|
|
sensor_write1(gspca_dev, 0x02, clockdiv);
|
|
}
|
|
}
|
|
|
|
static void setgain(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 gainreg;
|
|
|
|
if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1)
|
|
sensor_write1(gspca_dev, 0x0e, val);
|
|
else if (sd->cam_type == CAM_TYPE_VGA && sd->sensor_type == 2)
|
|
for (gainreg = 0x0a; gainreg < 0x11; gainreg += 2) {
|
|
sensor_write1(gspca_dev, gainreg, val >> 8);
|
|
sensor_write1(gspca_dev, gainreg + 1, val & 0xff);
|
|
}
|
|
else
|
|
sensor_write1(gspca_dev, 0x10, val);
|
|
}
|
|
|
|
static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
|
|
{
|
|
sensor_write1(gspca_dev, 0x1c, val);
|
|
}
|
|
|
|
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gspca_dev *gspca_dev =
|
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
|
struct sd *sd = (struct sd *)gspca_dev;
|
|
|
|
gspca_dev->usb_err = 0;
|
|
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
setbrightness(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
setcontrast(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_EXPOSURE:
|
|
setexposure(gspca_dev, sd->exposure->val,
|
|
sd->min_clockdiv ? sd->min_clockdiv->val : 0);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
setgain(gspca_dev, ctrl->val);
|
|
break;
|
|
}
|
|
return gspca_dev->usb_err;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
|
.s_ctrl = sd_s_ctrl,
|
|
};
|
|
|
|
static int sd_init_controls(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *)gspca_dev;
|
|
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
|
|
static const struct v4l2_ctrl_config clockdiv = {
|
|
.ops = &sd_ctrl_ops,
|
|
.id = MR97310A_CID_CLOCKDIV,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "Minimum Clock Divider",
|
|
.min = MR97310A_MIN_CLOCKDIV_MIN,
|
|
.max = MR97310A_MIN_CLOCKDIV_MAX,
|
|
.step = 1,
|
|
.def = MR97310A_MIN_CLOCKDIV_DEFAULT,
|
|
};
|
|
bool has_brightness = false;
|
|
bool has_argus_brightness = false;
|
|
bool has_contrast = false;
|
|
bool has_gain = false;
|
|
bool has_cs_gain = false;
|
|
bool has_exposure = false;
|
|
bool has_clockdiv = false;
|
|
|
|
gspca_dev->vdev.ctrl_handler = hdl;
|
|
v4l2_ctrl_handler_init(hdl, 4);
|
|
|
|
/* Setup controls depending on camera type */
|
|
if (sd->cam_type == CAM_TYPE_CIF) {
|
|
/* No brightness for sensor_type 0 */
|
|
if (sd->sensor_type == 0)
|
|
has_exposure = has_gain = has_clockdiv = true;
|
|
else
|
|
has_exposure = has_gain = has_brightness = true;
|
|
} else {
|
|
/* All controls need to be disabled if VGA sensor_type is 0 */
|
|
if (sd->sensor_type == 0)
|
|
; /* no controls! */
|
|
else if (sd->sensor_type == 2)
|
|
has_exposure = has_cs_gain = has_contrast = true;
|
|
else if (sd->do_lcd_stop)
|
|
has_exposure = has_gain = has_argus_brightness =
|
|
has_clockdiv = true;
|
|
else
|
|
has_exposure = has_gain = has_brightness =
|
|
has_clockdiv = true;
|
|
}
|
|
|
|
/* Separate brightness control description for Argus QuickClix as it has
|
|
* different limits from the other mr97310a cameras, and separate gain
|
|
* control for Sakar CyberPix camera. */
|
|
/*
|
|
* This control is disabled for CIF type 1 and VGA type 0 cameras.
|
|
* It does not quite act linearly for the Argus QuickClix camera,
|
|
* but it does control brightness. The values are 0 - 15 only, and
|
|
* the table above makes them act consecutively.
|
|
*/
|
|
if (has_brightness)
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, -254, 255, 1,
|
|
MR97310A_BRIGHTNESS_DEFAULT);
|
|
else if (has_argus_brightness)
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, 0, 15, 1,
|
|
MR97310A_BRIGHTNESS_DEFAULT);
|
|
if (has_contrast)
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_CONTRAST, MR97310A_CONTRAST_MIN,
|
|
MR97310A_CONTRAST_MAX, 1, MR97310A_CONTRAST_DEFAULT);
|
|
if (has_gain)
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_GAIN, MR97310A_GAIN_MIN, MR97310A_GAIN_MAX,
|
|
1, MR97310A_GAIN_DEFAULT);
|
|
else if (has_cs_gain)
|
|
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_GAIN,
|
|
MR97310A_CS_GAIN_MIN, MR97310A_CS_GAIN_MAX,
|
|
1, MR97310A_CS_GAIN_DEFAULT);
|
|
if (has_exposure)
|
|
sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
|
V4L2_CID_EXPOSURE, MR97310A_EXPOSURE_MIN,
|
|
MR97310A_EXPOSURE_MAX, 1, MR97310A_EXPOSURE_DEFAULT);
|
|
if (has_clockdiv)
|
|
sd->min_clockdiv = v4l2_ctrl_new_custom(hdl, &clockdiv, NULL);
|
|
|
|
if (hdl->error) {
|
|
pr_err("Could not initialize controls\n");
|
|
return hdl->error;
|
|
}
|
|
if (has_exposure && has_clockdiv)
|
|
v4l2_ctrl_cluster(2, &sd->exposure);
|
|
return 0;
|
|
}
|
|
|
|
/* Include pac common sof detection functions */
|
|
#include "pac_common.h"
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
u8 *data, /* isoc packet */
|
|
int len) /* iso packet length */
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
unsigned char *sof;
|
|
|
|
sof = pac_find_sof(gspca_dev, &sd->sof_read, data, len);
|
|
if (sof) {
|
|
int n;
|
|
|
|
/* finish decoding current frame */
|
|
n = sof - data;
|
|
if (n > sizeof pac_sof_marker)
|
|
n -= sizeof pac_sof_marker;
|
|
else
|
|
n = 0;
|
|
gspca_frame_add(gspca_dev, LAST_PACKET,
|
|
data, n);
|
|
/* Start next frame. */
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
pac_sof_marker, sizeof pac_sof_marker);
|
|
len -= sof - data;
|
|
data = sof;
|
|
}
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
|
|
}
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc = {
|
|
.name = MODULE_NAME,
|
|
.config = sd_config,
|
|
.init = sd_init,
|
|
.init_controls = sd_init_controls,
|
|
.start = sd_start,
|
|
.stopN = sd_stopN,
|
|
.pkt_scan = sd_pkt_scan,
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
static const struct usb_device_id device_table[] = {
|
|
{USB_DEVICE(0x08ca, 0x0110)}, /* Trust Spyc@m 100 */
|
|
{USB_DEVICE(0x08ca, 0x0111)}, /* Aiptek Pencam VGA+ */
|
|
{USB_DEVICE(0x093a, 0x010f)}, /* All other known MR97310A VGA cams */
|
|
{USB_DEVICE(0x093a, 0x010e)}, /* All known MR97310A CIF cams */
|
|
{}
|
|
};
|
|
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, 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,
|
|
.reset_resume = gspca_resume,
|
|
#endif
|
|
};
|
|
|
|
module_usb_driver(sd_driver);
|