mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-30 15:48:52 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
700
drivers/media/usb/gspca/pac7311.c
Normal file
700
drivers/media/usb/gspca/pac7311.c
Normal file
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@ -0,0 +1,700 @@
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/*
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* Pixart PAC7311 library
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* Copyright (C) 2005 Thomas Kaiser thomas@kaiser-linux.li
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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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/* Some documentation about various registers as determined by trial and error.
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*
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* Register page 1:
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*
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* Address Description
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* 0x08 Unknown compressor related, must always be 8 except when not
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* in 640x480 resolution and page 4 reg 2 <= 3 then set it to 9 !
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* 0x1b Auto white balance related, bit 0 is AWB enable (inverted)
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* bits 345 seem to toggle per color gains on/off (inverted)
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* 0x78 Global control, bit 6 controls the LED (inverted)
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* 0x80 Compression balance, interesting settings:
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* 0x01 Use this to allow the camera to switch to higher compr.
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* on the fly. Needed to stay within bandwidth @ 640x480@30
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* 0x1c From usb captures under Windows for 640x480
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* 0x2a Values >= this switch the camera to a lower compression,
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* using the same table for both luminance and chrominance.
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* This gives a sharper picture. Usable only at 640x480@ <
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* 15 fps or 320x240 / 160x120. Note currently the driver
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* does not use this as the quality gain is small and the
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* generated JPG-s are only understood by v4l-utils >= 0.8.9
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* 0x3f From usb captures under Windows for 320x240
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* 0x69 From usb captures under Windows for 160x120
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*
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* Register page 4:
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*
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* Address Description
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* 0x02 Clock divider 2-63, fps =~ 60 / val. Must be a multiple of 3 on
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* the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
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* 0x0f Master gain 1-245, low value = high gain
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* 0x10 Another gain 0-15, limited influence (1-2x gain I guess)
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* 0x21 Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
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* Note setting vflip disabled leads to a much lower image quality,
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* so we always vflip, and tell userspace to flip it back
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* 0x27 Seems to toggle various gains on / off, Setting bit 7 seems to
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* completely disable the analog amplification block. Set to 0x68
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* for max gain, 0x14 for minimal gain.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#define MODULE_NAME "pac7311"
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#include <linux/input.h>
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#include "gspca.h"
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/* Include pac common sof detection functions */
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#include "pac_common.h"
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#define PAC7311_GAIN_DEFAULT 122
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#define PAC7311_EXPOSURE_DEFAULT 3 /* 20 fps, avoid using high compr. */
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MODULE_AUTHOR("Thomas Kaiser thomas@kaiser-linux.li");
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MODULE_DESCRIPTION("Pixart PAC7311");
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MODULE_LICENSE("GPL");
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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 v4l2_ctrl *contrast;
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struct v4l2_ctrl *hflip;
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u8 sof_read;
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u8 autogain_ignore_frames;
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atomic_t avg_lum;
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 2},
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{320, 240, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 1},
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{640, 480, V4L2_PIX_FMT_PJPG, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 0},
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};
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#define LOAD_PAGE4 254
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#define END_OF_SEQUENCE 0
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static const __u8 init_7311[] = {
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0xff, 0x01,
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0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */
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0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */
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0x78, 0x44, /* Bit_0=start stream, Bit_6=LED */
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0xff, 0x04,
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0x27, 0x80,
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0x28, 0xca,
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0x29, 0x53,
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0x2a, 0x0e,
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0xff, 0x01,
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0x3e, 0x20,
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};
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static const __u8 start_7311[] = {
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/* index, len, [value]* */
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0xff, 1, 0x01, /* page 1 */
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0x02, 43, 0x48, 0x0a, 0x40, 0x08, 0x00, 0x00, 0x08, 0x00,
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0x06, 0xff, 0x11, 0xff, 0x5a, 0x30, 0x90, 0x4c,
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0x00, 0x07, 0x00, 0x0a, 0x10, 0x00, 0xa0, 0x10,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x3e, 42, 0x00, 0x00, 0x78, 0x52, 0x4a, 0x52, 0x78, 0x6e,
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0x48, 0x46, 0x48, 0x6e, 0x5f, 0x49, 0x42, 0x49,
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0x5f, 0x5f, 0x49, 0x42, 0x49, 0x5f, 0x6e, 0x48,
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0x46, 0x48, 0x6e, 0x78, 0x52, 0x4a, 0x52, 0x78,
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0x00, 0x00, 0x09, 0x1b, 0x34, 0x49, 0x5c, 0x9b,
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0xd0, 0xff,
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0x78, 6, 0x44, 0x00, 0xf2, 0x01, 0x01, 0x80,
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0x7f, 18, 0x2a, 0x1c, 0x00, 0xc8, 0x02, 0x58, 0x03, 0x84,
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0x12, 0x00, 0x1a, 0x04, 0x08, 0x0c, 0x10, 0x14,
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0x18, 0x20,
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0x96, 3, 0x01, 0x08, 0x04,
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0xa0, 4, 0x44, 0x44, 0x44, 0x04,
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0xf0, 13, 0x01, 0x00, 0x00, 0x00, 0x22, 0x00, 0x20, 0x00,
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0x3f, 0x00, 0x0a, 0x01, 0x00,
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0xff, 1, 0x04, /* page 4 */
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0, LOAD_PAGE4, /* load the page 4 */
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0x11, 1, 0x01,
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0, END_OF_SEQUENCE /* end of sequence */
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};
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#define SKIP 0xaa
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/* page 4 - the value SKIP says skip the index - see reg_w_page() */
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static const __u8 page4_7311[] = {
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SKIP, SKIP, 0x04, 0x54, 0x07, 0x2b, 0x09, 0x0f,
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0x09, 0x00, SKIP, SKIP, 0x07, 0x00, 0x00, 0x62,
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0x08, SKIP, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x03, 0xa0, 0x01, 0xf4, SKIP,
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SKIP, 0x00, 0x08, SKIP, 0x03, SKIP, 0x00, 0x68,
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0xca, 0x10, 0x06, 0x78, 0x00, 0x00, 0x00, 0x00,
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0x23, 0x28, 0x04, 0x11, 0x00, 0x00
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};
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static void reg_w_buf(struct gspca_dev *gspca_dev,
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__u8 index,
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const u8 *buffer, int len)
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{
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int ret;
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if (gspca_dev->usb_err < 0)
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return;
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memcpy(gspca_dev->usb_buf, buffer, len);
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ret = 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,
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500);
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if (ret < 0) {
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pr_err("reg_w_buf() failed index 0x%02x, error %d\n",
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index, ret);
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gspca_dev->usb_err = ret;
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}
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}
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static void reg_w(struct gspca_dev *gspca_dev,
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__u8 index,
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__u8 value)
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{
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int ret;
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if (gspca_dev->usb_err < 0)
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return;
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gspca_dev->usb_buf[0] = value;
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ret = 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, index, gspca_dev->usb_buf, 1,
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500);
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if (ret < 0) {
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pr_err("reg_w() failed index 0x%02x, value 0x%02x, error %d\n",
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index, value, ret);
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gspca_dev->usb_err = ret;
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}
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}
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static void reg_w_seq(struct gspca_dev *gspca_dev,
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const __u8 *seq, int len)
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{
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while (--len >= 0) {
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reg_w(gspca_dev, seq[0], seq[1]);
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seq += 2;
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}
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}
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/* load the beginning of a page */
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static void reg_w_page(struct gspca_dev *gspca_dev,
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const __u8 *page, int len)
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{
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int index;
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int ret = 0;
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if (gspca_dev->usb_err < 0)
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return;
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for (index = 0; index < len; index++) {
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if (page[index] == SKIP) /* skip this index */
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continue;
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gspca_dev->usb_buf[0] = page[index];
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ret = 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, index, gspca_dev->usb_buf, 1,
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500);
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if (ret < 0) {
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pr_err("reg_w_page() failed index 0x%02x, value 0x%02x, error %d\n",
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index, page[index], ret);
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gspca_dev->usb_err = ret;
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break;
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}
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}
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}
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/* output a variable sequence */
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static void reg_w_var(struct gspca_dev *gspca_dev,
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const __u8 *seq,
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const __u8 *page4, unsigned int page4_len)
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{
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int index, len;
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for (;;) {
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index = *seq++;
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len = *seq++;
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switch (len) {
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case END_OF_SEQUENCE:
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return;
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case LOAD_PAGE4:
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reg_w_page(gspca_dev, page4, page4_len);
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break;
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default:
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if (len > USB_BUF_SZ) {
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PERR("Incorrect variable sequence");
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return;
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}
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while (len > 0) {
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if (len < 8) {
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reg_w_buf(gspca_dev,
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index, seq, len);
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seq += len;
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break;
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}
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reg_w_buf(gspca_dev, index, seq, 8);
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seq += 8;
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index += 8;
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len -= 8;
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}
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}
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}
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/* not reached */
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}
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/* this function is called at probe time for pac7311 */
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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 cam *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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cam->input_flags = V4L2_IN_ST_VFLIP;
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return 0;
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}
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|
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static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
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{
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reg_w(gspca_dev, 0xff, 0x04);
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reg_w(gspca_dev, 0x10, val);
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/* load registers to sensor (Bit 0, auto clear) */
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reg_w(gspca_dev, 0x11, 0x01);
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}
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static void setgain(struct gspca_dev *gspca_dev, s32 val)
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{
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reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
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reg_w(gspca_dev, 0x0e, 0x00);
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reg_w(gspca_dev, 0x0f, gspca_dev->gain->maximum - val + 1);
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/* load registers to sensor (Bit 0, auto clear) */
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reg_w(gspca_dev, 0x11, 0x01);
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}
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static void setexposure(struct gspca_dev *gspca_dev, s32 val)
|
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{
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reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
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reg_w(gspca_dev, 0x02, val);
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|
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/* load registers to sensor (Bit 0, auto clear) */
|
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reg_w(gspca_dev, 0x11, 0x01);
|
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|
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/*
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* Page 1 register 8 must always be 0x08 except when not in
|
||||
* 640x480 mode and page 4 reg 2 <= 3 then it must be 9
|
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*/
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
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if (gspca_dev->pixfmt.width != 640 && val <= 3)
|
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reg_w(gspca_dev, 0x08, 0x09);
|
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else
|
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reg_w(gspca_dev, 0x08, 0x08);
|
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|
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/*
|
||||
* Page1 register 80 sets the compression balance, normally we
|
||||
* want / use 0x1c, but for 640x480@30fps we must allow the
|
||||
* camera to use higher compression or we may run out of
|
||||
* bandwidth.
|
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*/
|
||||
if (gspca_dev->pixfmt.width == 640 && val == 2)
|
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reg_w(gspca_dev, 0x80, 0x01);
|
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else
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reg_w(gspca_dev, 0x80, 0x1c);
|
||||
|
||||
/* load registers to sensor (Bit 0, auto clear) */
|
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reg_w(gspca_dev, 0x11, 0x01);
|
||||
}
|
||||
|
||||
static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
|
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{
|
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__u8 data;
|
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|
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reg_w(gspca_dev, 0xff, 0x04); /* page 4 */
|
||||
data = (hflip ? 0x04 : 0x00) |
|
||||
(vflip ? 0x08 : 0x00);
|
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reg_w(gspca_dev, 0x21, data);
|
||||
|
||||
/* load registers to sensor (Bit 0, auto clear) */
|
||||
reg_w(gspca_dev, 0x11, 0x01);
|
||||
}
|
||||
|
||||
/* this function is called at probe and resume time for pac7311 */
|
||||
static int sd_init(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
reg_w_seq(gspca_dev, init_7311, sizeof(init_7311)/2);
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
|
||||
{
|
||||
struct gspca_dev *gspca_dev =
|
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container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
||||
struct sd *sd = (struct sd *)gspca_dev;
|
||||
|
||||
gspca_dev->usb_err = 0;
|
||||
|
||||
if (ctrl->id == V4L2_CID_AUTOGAIN && ctrl->is_new && ctrl->val) {
|
||||
/* when switching to autogain set defaults to make sure
|
||||
we are on a valid point of the autogain gain /
|
||||
exposure knee graph, and give this change time to
|
||||
take effect before doing autogain. */
|
||||
gspca_dev->exposure->val = PAC7311_EXPOSURE_DEFAULT;
|
||||
gspca_dev->gain->val = PAC7311_GAIN_DEFAULT;
|
||||
sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
|
||||
}
|
||||
|
||||
if (!gspca_dev->streaming)
|
||||
return 0;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_CONTRAST:
|
||||
setcontrast(gspca_dev, ctrl->val);
|
||||
break;
|
||||
case V4L2_CID_AUTOGAIN:
|
||||
if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
|
||||
setexposure(gspca_dev, gspca_dev->exposure->val);
|
||||
if (gspca_dev->gain->is_new || (ctrl->is_new && ctrl->val))
|
||||
setgain(gspca_dev, gspca_dev->gain->val);
|
||||
break;
|
||||
case V4L2_CID_HFLIP:
|
||||
sethvflip(gspca_dev, sd->hflip->val, 1);
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
|
||||
.s_ctrl = sd_s_ctrl,
|
||||
};
|
||||
|
||||
/* this function is called at probe time */
|
||||
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;
|
||||
|
||||
gspca_dev->vdev.ctrl_handler = hdl;
|
||||
v4l2_ctrl_handler_init(hdl, 5);
|
||||
|
||||
sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_CONTRAST, 0, 15, 1, 7);
|
||||
gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
|
||||
gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_EXPOSURE, 2, 63, 1,
|
||||
PAC7311_EXPOSURE_DEFAULT);
|
||||
gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_GAIN, 0, 244, 1,
|
||||
PAC7311_GAIN_DEFAULT);
|
||||
sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
|
||||
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
||||
|
||||
if (hdl->error) {
|
||||
pr_err("Could not initialize controls\n");
|
||||
return hdl->error;
|
||||
}
|
||||
|
||||
v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* -- start the camera -- */
|
||||
static int sd_start(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
sd->sof_read = 0;
|
||||
|
||||
reg_w_var(gspca_dev, start_7311,
|
||||
page4_7311, sizeof(page4_7311));
|
||||
setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast));
|
||||
setgain(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->gain));
|
||||
setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure));
|
||||
sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), 1);
|
||||
|
||||
/* set correct resolution */
|
||||
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
|
||||
case 2: /* 160x120 */
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
||||
reg_w(gspca_dev, 0x17, 0x20);
|
||||
reg_w(gspca_dev, 0x87, 0x10);
|
||||
break;
|
||||
case 1: /* 320x240 */
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
||||
reg_w(gspca_dev, 0x17, 0x30);
|
||||
reg_w(gspca_dev, 0x87, 0x11);
|
||||
break;
|
||||
case 0: /* 640x480 */
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
||||
reg_w(gspca_dev, 0x17, 0x00);
|
||||
reg_w(gspca_dev, 0x87, 0x12);
|
||||
break;
|
||||
}
|
||||
|
||||
sd->sof_read = 0;
|
||||
sd->autogain_ignore_frames = 0;
|
||||
atomic_set(&sd->avg_lum, -1);
|
||||
|
||||
/* start stream */
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
||||
reg_w(gspca_dev, 0x78, 0x05);
|
||||
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static void sd_stopN(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
reg_w(gspca_dev, 0xff, 0x04);
|
||||
reg_w(gspca_dev, 0x27, 0x80);
|
||||
reg_w(gspca_dev, 0x28, 0xca);
|
||||
reg_w(gspca_dev, 0x29, 0x53);
|
||||
reg_w(gspca_dev, 0x2a, 0x0e);
|
||||
reg_w(gspca_dev, 0xff, 0x01);
|
||||
reg_w(gspca_dev, 0x3e, 0x20);
|
||||
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
|
||||
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
|
||||
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
|
||||
}
|
||||
|
||||
static void do_autogain(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
int avg_lum = atomic_read(&sd->avg_lum);
|
||||
int desired_lum, deadzone;
|
||||
|
||||
if (avg_lum == -1)
|
||||
return;
|
||||
|
||||
desired_lum = 170;
|
||||
deadzone = 20;
|
||||
|
||||
if (sd->autogain_ignore_frames > 0)
|
||||
sd->autogain_ignore_frames--;
|
||||
else if (gspca_coarse_grained_expo_autogain(gspca_dev, avg_lum,
|
||||
desired_lum, deadzone))
|
||||
sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
|
||||
}
|
||||
|
||||
/* JPEG header, part 1 */
|
||||
static const unsigned char pac_jpeg_header1[] = {
|
||||
0xff, 0xd8, /* SOI: Start of Image */
|
||||
|
||||
0xff, 0xc0, /* SOF0: Start of Frame (Baseline DCT) */
|
||||
0x00, 0x11, /* length = 17 bytes (including this length field) */
|
||||
0x08 /* Precision: 8 */
|
||||
/* 2 bytes is placed here: number of image lines */
|
||||
/* 2 bytes is placed here: samples per line */
|
||||
};
|
||||
|
||||
/* JPEG header, continued */
|
||||
static const unsigned char pac_jpeg_header2[] = {
|
||||
0x03, /* Number of image components: 3 */
|
||||
0x01, 0x21, 0x00, /* ID=1, Subsampling 1x1, Quantization table: 0 */
|
||||
0x02, 0x11, 0x01, /* ID=2, Subsampling 2x1, Quantization table: 1 */
|
||||
0x03, 0x11, 0x01, /* ID=3, Subsampling 2x1, Quantization table: 1 */
|
||||
|
||||
0xff, 0xda, /* SOS: Start Of Scan */
|
||||
0x00, 0x0c, /* length = 12 bytes (including this length field) */
|
||||
0x03, /* number of components: 3 */
|
||||
0x01, 0x00, /* selector 1, table 0x00 */
|
||||
0x02, 0x11, /* selector 2, table 0x11 */
|
||||
0x03, 0x11, /* selector 3, table 0x11 */
|
||||
0x00, 0x3f, /* Spectral selection: 0 .. 63 */
|
||||
0x00 /* Successive approximation: 0 */
|
||||
};
|
||||
|
||||
static void pac_start_frame(struct gspca_dev *gspca_dev,
|
||||
__u16 lines, __u16 samples_per_line)
|
||||
{
|
||||
unsigned char tmpbuf[4];
|
||||
|
||||
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
||||
pac_jpeg_header1, sizeof(pac_jpeg_header1));
|
||||
|
||||
tmpbuf[0] = lines >> 8;
|
||||
tmpbuf[1] = lines & 0xff;
|
||||
tmpbuf[2] = samples_per_line >> 8;
|
||||
tmpbuf[3] = samples_per_line & 0xff;
|
||||
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET,
|
||||
tmpbuf, sizeof(tmpbuf));
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET,
|
||||
pac_jpeg_header2, sizeof(pac_jpeg_header2));
|
||||
}
|
||||
|
||||
/* this function is run at interrupt level */
|
||||
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;
|
||||
u8 *image;
|
||||
unsigned char *sof;
|
||||
|
||||
sof = pac_find_sof(gspca_dev, &sd->sof_read, data, len);
|
||||
if (sof) {
|
||||
int n, lum_offset, footer_length;
|
||||
|
||||
/*
|
||||
* 6 bytes after the FF D9 EOF marker a number of lumination
|
||||
* bytes are send corresponding to different parts of the
|
||||
* image, the 14th and 15th byte after the EOF seem to
|
||||
* correspond to the center of the image.
|
||||
*/
|
||||
lum_offset = 24 + sizeof pac_sof_marker;
|
||||
footer_length = 26;
|
||||
|
||||
/* Finish decoding current frame */
|
||||
n = (sof - data) - (footer_length + sizeof pac_sof_marker);
|
||||
if (n < 0) {
|
||||
gspca_dev->image_len += n;
|
||||
n = 0;
|
||||
} else {
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET, data, n);
|
||||
}
|
||||
image = gspca_dev->image;
|
||||
if (image != NULL
|
||||
&& image[gspca_dev->image_len - 2] == 0xff
|
||||
&& image[gspca_dev->image_len - 1] == 0xd9)
|
||||
gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
|
||||
|
||||
n = sof - data;
|
||||
len -= n;
|
||||
data = sof;
|
||||
|
||||
/* Get average lumination */
|
||||
if (gspca_dev->last_packet_type == LAST_PACKET &&
|
||||
n >= lum_offset)
|
||||
atomic_set(&sd->avg_lum, data[-lum_offset] +
|
||||
data[-lum_offset + 1]);
|
||||
else
|
||||
atomic_set(&sd->avg_lum, -1);
|
||||
|
||||
/* Start the new frame with the jpeg header */
|
||||
pac_start_frame(gspca_dev,
|
||||
gspca_dev->pixfmt.height, gspca_dev->pixfmt.width);
|
||||
}
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
|
||||
}
|
||||
|
||||
#if IS_ENABLED(CONFIG_INPUT)
|
||||
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
|
||||
u8 *data, /* interrupt packet data */
|
||||
int len) /* interrupt packet length */
|
||||
{
|
||||
int ret = -EINVAL;
|
||||
u8 data0, data1;
|
||||
|
||||
if (len == 2) {
|
||||
data0 = data[0];
|
||||
data1 = data[1];
|
||||
if ((data0 == 0x00 && data1 == 0x11) ||
|
||||
(data0 == 0x22 && data1 == 0x33) ||
|
||||
(data0 == 0x44 && data1 == 0x55) ||
|
||||
(data0 == 0x66 && data1 == 0x77) ||
|
||||
(data0 == 0x88 && data1 == 0x99) ||
|
||||
(data0 == 0xaa && data1 == 0xbb) ||
|
||||
(data0 == 0xcc && data1 == 0xdd) ||
|
||||
(data0 == 0xee && data1 == 0xff)) {
|
||||
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
|
||||
input_sync(gspca_dev->input_dev);
|
||||
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
|
||||
input_sync(gspca_dev->input_dev);
|
||||
ret = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
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,
|
||||
.dq_callback = do_autogain,
|
||||
#if IS_ENABLED(CONFIG_INPUT)
|
||||
.int_pkt_scan = sd_int_pkt_scan,
|
||||
#endif
|
||||
};
|
||||
|
||||
/* -- module initialisation -- */
|
||||
static const struct usb_device_id device_table[] = {
|
||||
{USB_DEVICE(0x093a, 0x2600)},
|
||||
{USB_DEVICE(0x093a, 0x2601)},
|
||||
{USB_DEVICE(0x093a, 0x2603)},
|
||||
{USB_DEVICE(0x093a, 0x2608)},
|
||||
{USB_DEVICE(0x093a, 0x260e)},
|
||||
{USB_DEVICE(0x093a, 0x260f)},
|
||||
{}
|
||||
};
|
||||
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);
|
||||
Loading…
Add table
Add a link
Reference in a new issue