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![Linus Torvalds](/assets/img/avatar_default.png)
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (442 commits) [media] videobuf2-dma-contig: make cookie() return a pointer to dma_addr_t [media] sh_mobile_ceu_camera: Do not call vb2's mem_ops directly [media] V4L: soc-camera: explicitly require V4L2_BUF_TYPE_VIDEO_CAPTURE [media] v4l: soc-camera: Store negotiated buffer settings [media] rc: interim support for 32-bit NEC-ish scancodes [media] mceusb: topseed 0x0011 needs gen3 init for tx to work [media] lirc_zilog: error out if buffer read bytes != chunk size [media] lirc: silence some compile warnings [media] hdpvr: use same polling interval as other OS [media] ir-kbd-i2c: pass device code w/key in hauppauge case [media] rc/keymaps: Remove the obsolete rc-rc5-tv keymap [media] remove the old RC_MAP_HAUPPAUGE_NEW RC map [media] rc/keymaps: Rename Hauppauge table as rc-hauppauge [media] rc-rc5-hauppauge-new: Fix Hauppauge Grey mapping [media] rc-rc5-hauppauge-new: Add support for the old Black RC [media] rc-rc5-hauppauge-new: Add the old control to the table [media] rc-winfast: Fix the keycode tables [media] a800: Fix a few wrong IR key assignments [media] opera1: Use multimedia keys instead of an app-specific mapping [media] dw2102: Use multimedia keys instead of an app-specific mapping ... Fix up trivial conflicts (remove/modify and some real conflicts) in: arch/arm/mach-omap2/devices.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/dabusb/dabusb.c drivers/staging/dabusb/dabusb.h drivers/staging/easycap/easycap_ioctl.c drivers/staging/usbvideo/usbvideo.c drivers/staging/usbvideo/vicam.c
2477 lines
73 KiB
C
2477 lines
73 KiB
C
/******************************************************************************
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* *
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* easycap_ioctl.c *
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* *
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******************************************************************************/
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/*
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*
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* Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org>
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*
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*
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* This 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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* (at your option) any later version.
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*
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* The software 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 software; 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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*/
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/*****************************************************************************/
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#include "easycap.h"
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/*--------------------------------------------------------------------------*/
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/*
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* UNLESS THERE IS A PREMATURE ERROR RETURN THIS ROUTINE UPDATES THE
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* FOLLOWING:
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* peasycap->standard_offset
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* peasycap->inputset[peasycap->input].standard_offset
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* peasycap->fps
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* peasycap->usec
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* peasycap->tolerate
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* peasycap->skip
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*/
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/*---------------------------------------------------------------------------*/
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int adjust_standard(struct easycap *peasycap, v4l2_std_id std_id)
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{
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struct easycap_standard const *peasycap_standard;
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u16 reg, set;
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int ir, rc, need, k;
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unsigned int itwas, isnow;
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bool resubmit;
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (!peasycap->pusb_device) {
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SAM("ERROR: peasycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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peasycap_standard = &easycap_standard[0];
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while (0xFFFF != peasycap_standard->mask) {
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if (std_id == peasycap_standard->v4l2_standard.id)
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break;
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peasycap_standard++;
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}
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if (0xFFFF == peasycap_standard->mask) {
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peasycap_standard = &easycap_standard[0];
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while (0xFFFF != peasycap_standard->mask) {
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if (std_id & peasycap_standard->v4l2_standard.id)
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break;
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peasycap_standard++;
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}
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}
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if (0xFFFF == peasycap_standard->mask) {
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SAM("ERROR: 0x%08X=std_id: standard not found\n",
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(unsigned int)std_id);
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return -EINVAL;
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}
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SAM("selected standard: %s\n",
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&(peasycap_standard->v4l2_standard.name[0]));
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if (peasycap->standard_offset == peasycap_standard - easycap_standard) {
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SAM("requested standard already in effect\n");
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return 0;
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}
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peasycap->standard_offset = peasycap_standard - easycap_standard;
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for (k = 0; k < INPUT_MANY; k++) {
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if (!peasycap->inputset[k].standard_offset_ok) {
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peasycap->inputset[k].standard_offset =
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peasycap->standard_offset;
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}
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}
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if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
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peasycap->inputset[peasycap->input].standard_offset =
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peasycap->standard_offset;
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peasycap->inputset[peasycap->input].standard_offset_ok = 1;
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} else
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JOM(8, "%i=peasycap->input\n", peasycap->input);
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peasycap->fps = peasycap_standard->v4l2_standard.frameperiod.denominator /
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peasycap_standard->v4l2_standard.frameperiod.numerator;
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switch (peasycap->fps) {
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case 6:
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case 30: {
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peasycap->ntsc = true;
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break;
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}
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case 5:
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case 25: {
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peasycap->ntsc = false;
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break;
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}
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default: {
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SAM("MISTAKE: %i=frames-per-second\n", peasycap->fps);
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return -ENOENT;
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}
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}
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JOM(8, "%i frames-per-second\n", peasycap->fps);
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if (0x8000 & peasycap_standard->mask) {
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peasycap->skip = 5;
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peasycap->usec = 1000000 / (2 * (5 * peasycap->fps));
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peasycap->tolerate = 1000 * (25 / (5 * peasycap->fps));
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} else {
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peasycap->skip = 0;
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peasycap->usec = 1000000 / (2 * peasycap->fps);
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peasycap->tolerate = 1000 * (25 / peasycap->fps);
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}
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if (peasycap->video_isoc_streaming) {
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resubmit = true;
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kill_video_urbs(peasycap);
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} else
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resubmit = false;
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/*--------------------------------------------------------------------------*/
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/*
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* SAA7113H DATASHEET PAGE 44, TABLE 42
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*/
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/*--------------------------------------------------------------------------*/
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need = 0;
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itwas = 0;
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reg = 0x00;
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set = 0x00;
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switch (peasycap_standard->mask & 0x000F) {
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case NTSC_M_JP: {
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reg = 0x0A;
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set = 0x95;
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
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else
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itwas = (unsigned int)ir;
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rc = write_saa(peasycap->pusb_device, reg, set);
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if (rc)
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SAM("ERROR: failed to set SAA register "
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"0x%02X to 0x%02X for JP standard\n", reg, set);
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else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed "
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"to 0x%02X\n", reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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reg = 0x0B;
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set = 0x48;
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
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else
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itwas = (unsigned int)ir;
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rc = write_saa(peasycap->pusb_device, reg, set);
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if (rc)
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SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X "
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"for JP standard\n", reg, set);
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else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed "
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"to 0x%02X\n", reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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/*--------------------------------------------------------------------------*/
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/*
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* NOTE: NO break HERE: RUN ON TO NEXT CASE
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*/
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/*--------------------------------------------------------------------------*/
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}
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case NTSC_M:
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case PAL_BGHIN: {
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reg = 0x0E;
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set = 0x01;
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need = 1;
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break;
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}
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case NTSC_N_443:
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case PAL_60: {
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reg = 0x0E;
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set = 0x11;
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need = 1;
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break;
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}
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case NTSC_443:
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case PAL_Nc: {
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reg = 0x0E;
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set = 0x21;
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need = 1;
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break;
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}
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case NTSC_N:
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case PAL_M: {
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reg = 0x0E;
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set = 0x31;
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need = 1;
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break;
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}
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case SECAM: {
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reg = 0x0E;
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set = 0x51;
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need = 1;
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break;
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}
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default:
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break;
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}
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/*--------------------------------------------------------------------------*/
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if (need) {
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: failed to read SAA register 0x%02X\n", reg);
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else
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itwas = (unsigned int)ir;
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rc = write_saa(peasycap->pusb_device, reg, set);
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if (0 != write_saa(peasycap->pusb_device, reg, set)) {
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SAM("ERROR: failed to set SAA register "
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"0x%02X to 0x%02X for table 42\n", reg, set);
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} else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed "
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"to 0x%02X\n", reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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}
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/*--------------------------------------------------------------------------*/
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/*
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* SAA7113H DATASHEET PAGE 41
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*/
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/*--------------------------------------------------------------------------*/
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reg = 0x08;
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: failed to read SAA register 0x%02X "
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"so cannot reset\n", reg);
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else {
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itwas = (unsigned int)ir;
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if (peasycap_standard->mask & 0x0001)
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set = itwas | 0x40 ;
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else
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set = itwas & ~0x40 ;
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rc = write_saa(peasycap->pusb_device, reg, set);
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if (rc)
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SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
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reg, set);
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else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
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reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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}
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/*--------------------------------------------------------------------------*/
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/*
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* SAA7113H DATASHEET PAGE 51, TABLE 57
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*/
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/*---------------------------------------------------------------------------*/
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reg = 0x40;
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: failed to read SAA register 0x%02X "
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"so cannot reset\n", reg);
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else {
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itwas = (unsigned int)ir;
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if (peasycap_standard->mask & 0x0001)
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set = itwas | 0x80 ;
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else
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set = itwas & ~0x80 ;
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rc = write_saa(peasycap->pusb_device, reg, set);
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if (rc)
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SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
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reg, set);
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else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
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reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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}
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/*--------------------------------------------------------------------------*/
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/*
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* SAA7113H DATASHEET PAGE 53, TABLE 66
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*/
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/*--------------------------------------------------------------------------*/
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reg = 0x5A;
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ir = read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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SAM("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
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itwas = (unsigned int)ir;
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if (peasycap_standard->mask & 0x0001)
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set = 0x0A ;
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else
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set = 0x07 ;
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if (0 != write_saa(peasycap->pusb_device, reg, set))
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SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
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reg, set);
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else {
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isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
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if (0 > ir)
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JOM(8, "SAA register 0x%02X changed "
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"to 0x%02X\n", reg, isnow);
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else
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JOM(8, "SAA register 0x%02X changed "
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"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
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}
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if (resubmit)
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submit_video_urbs(peasycap);
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return 0;
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}
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/*****************************************************************************/
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/*--------------------------------------------------------------------------*/
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/*
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* THE ALGORITHM FOR RESPONDING TO THE VIDIO_S_FMT IOCTL REQUIRES
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* A VALID VALUE OF peasycap->standard_offset, OTHERWISE -EBUSY IS RETURNED.
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*
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* PROVIDED THE ARGUMENT try IS false AND THERE IS NO PREMATURE ERROR RETURN
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* THIS ROUTINE UPDATES THE FOLLOWING:
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* peasycap->format_offset
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* peasycap->inputset[peasycap->input].format_offset
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* peasycap->pixelformat
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* peasycap->height
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* peasycap->width
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* peasycap->bytesperpixel
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* peasycap->byteswaporder
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* peasycap->decimatepixel
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* peasycap->frame_buffer_used
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* peasycap->videofieldamount
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* peasycap->offerfields
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*
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* IF SUCCESSFUL THE FUNCTION RETURNS THE OFFSET IN easycap_format[]
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* IDENTIFYING THE FORMAT WHICH IS TO RETURNED TO THE USER.
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* ERRORS RETURN A NEGATIVE NUMBER.
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*/
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/*--------------------------------------------------------------------------*/
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int adjust_format(struct easycap *peasycap,
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u32 width, u32 height, u32 pixelformat, int field, bool try)
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{
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struct easycap_format *peasycap_format, *peasycap_best_format;
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u16 mask;
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struct usb_device *p;
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int miss, multiplier, best, k;
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char bf[5], fo[32], *pc;
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u32 uc;
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bool resubmit;
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if (!peasycap) {
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SAY("ERROR: peasycap is NULL\n");
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return -EFAULT;
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}
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if (0 > peasycap->standard_offset) {
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JOM(8, "%i=peasycap->standard_offset\n", peasycap->standard_offset);
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return -EBUSY;
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}
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p = peasycap->pusb_device;
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if (!p) {
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SAM("ERROR: peaycap->pusb_device is NULL\n");
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return -EFAULT;
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}
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pc = &bf[0];
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uc = pixelformat;
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memcpy((void *)pc, (void *)(&uc), 4);
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bf[4] = 0;
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mask = 0xFF & easycap_standard[peasycap->standard_offset].mask;
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SAM("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n",
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width, height, pc, pixelformat, field, mask);
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switch (field) {
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case V4L2_FIELD_ANY: {
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strcpy(&fo[0], "V4L2_FIELD_ANY ");
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break;
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}
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case V4L2_FIELD_NONE: {
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strcpy(&fo[0], "V4L2_FIELD_NONE");
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break;
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}
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case V4L2_FIELD_TOP: {
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strcpy(&fo[0], "V4L2_FIELD_TOP");
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break;
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}
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case V4L2_FIELD_BOTTOM: {
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strcpy(&fo[0], "V4L2_FIELD_BOTTOM");
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break;
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}
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case V4L2_FIELD_INTERLACED: {
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strcpy(&fo[0], "V4L2_FIELD_INTERLACED");
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break;
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}
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case V4L2_FIELD_SEQ_TB: {
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strcpy(&fo[0], "V4L2_FIELD_SEQ_TB");
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break;
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}
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case V4L2_FIELD_SEQ_BT: {
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strcpy(&fo[0], "V4L2_FIELD_SEQ_BT");
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break;
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}
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case V4L2_FIELD_ALTERNATE: {
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strcpy(&fo[0], "V4L2_FIELD_ALTERNATE");
|
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break;
|
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}
|
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case V4L2_FIELD_INTERLACED_TB: {
|
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strcpy(&fo[0], "V4L2_FIELD_INTERLACED_TB");
|
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break;
|
|
}
|
|
case V4L2_FIELD_INTERLACED_BT: {
|
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strcpy(&fo[0], "V4L2_FIELD_INTERLACED_BT");
|
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break;
|
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}
|
|
default: {
|
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strcpy(&fo[0], "V4L2_FIELD_... UNKNOWN ");
|
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break;
|
|
}
|
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}
|
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SAM("sought: %s\n", &fo[0]);
|
|
if (V4L2_FIELD_ANY == field) {
|
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field = V4L2_FIELD_NONE;
|
|
SAM("prefer: V4L2_FIELD_NONE=field, was V4L2_FIELD_ANY\n");
|
|
}
|
|
peasycap_best_format = NULL;
|
|
peasycap_format = &easycap_format[0];
|
|
while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
|
|
JOM(16, ".> %i %i 0x%08X %ix%i\n",
|
|
peasycap_format->mask & 0x01,
|
|
peasycap_format->v4l2_format.fmt.pix.field,
|
|
peasycap_format->v4l2_format.fmt.pix.pixelformat,
|
|
peasycap_format->v4l2_format.fmt.pix.width,
|
|
peasycap_format->v4l2_format.fmt.pix.height);
|
|
|
|
if (((peasycap_format->mask & 0x1F) == (mask & 0x1F)) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.field == field) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.pixelformat == pixelformat) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.width == width) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.height == height)) {
|
|
|
|
peasycap_best_format = peasycap_format;
|
|
break;
|
|
}
|
|
peasycap_format++;
|
|
}
|
|
if (0 == peasycap_format->v4l2_format.fmt.pix.width) {
|
|
SAM("cannot do: %ix%i with standard mask 0x%02X\n",
|
|
width, height, mask);
|
|
peasycap_format = &easycap_format[0];
|
|
best = -1;
|
|
while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
|
|
if (((peasycap_format->mask & 0x1F) == (mask & 0x1F)) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.field == field) &&
|
|
(peasycap_format->v4l2_format.fmt.pix.pixelformat == pixelformat)) {
|
|
|
|
miss = abs(peasycap_format->v4l2_format.fmt.pix.width - width);
|
|
if ((best > miss) || (best < 0)) {
|
|
best = miss;
|
|
peasycap_best_format = peasycap_format;
|
|
if (!miss)
|
|
break;
|
|
}
|
|
}
|
|
peasycap_format++;
|
|
}
|
|
if (-1 == best) {
|
|
SAM("cannot do %ix... with standard mask 0x%02X\n",
|
|
width, mask);
|
|
SAM("cannot do ...x%i with standard mask 0x%02X\n",
|
|
height, mask);
|
|
SAM(" %ix%i unmatched\n", width, height);
|
|
return peasycap->format_offset;
|
|
}
|
|
}
|
|
if (!peasycap_best_format) {
|
|
SAM("MISTAKE: peasycap_best_format is NULL");
|
|
return -EINVAL;
|
|
}
|
|
peasycap_format = peasycap_best_format;
|
|
|
|
/*...........................................................................*/
|
|
if (try)
|
|
return peasycap_best_format - easycap_format;
|
|
/*...........................................................................*/
|
|
|
|
if (false != try) {
|
|
SAM("MISTAKE: true==try where is should be false\n");
|
|
return -EINVAL;
|
|
}
|
|
SAM("actioning: %ix%i %s\n",
|
|
peasycap_format->v4l2_format.fmt.pix.width,
|
|
peasycap_format->v4l2_format.fmt.pix.height,
|
|
&peasycap_format->name[0]);
|
|
peasycap->height = peasycap_format->v4l2_format.fmt.pix.height;
|
|
peasycap->width = peasycap_format->v4l2_format.fmt.pix.width;
|
|
peasycap->pixelformat = peasycap_format->v4l2_format.fmt.pix.pixelformat;
|
|
peasycap->format_offset = peasycap_format - easycap_format;
|
|
|
|
|
|
for (k = 0; k < INPUT_MANY; k++) {
|
|
if (!peasycap->inputset[k].format_offset_ok) {
|
|
peasycap->inputset[k].format_offset =
|
|
peasycap->format_offset;
|
|
}
|
|
}
|
|
if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
|
|
peasycap->inputset[peasycap->input].format_offset =
|
|
peasycap->format_offset;
|
|
peasycap->inputset[peasycap->input].format_offset_ok = 1;
|
|
} else
|
|
JOM(8, "%i=peasycap->input\n", peasycap->input);
|
|
|
|
|
|
|
|
peasycap->bytesperpixel = (0x00E0 & peasycap_format->mask) >> 5 ;
|
|
if (0x0100 & peasycap_format->mask)
|
|
peasycap->byteswaporder = true;
|
|
else
|
|
peasycap->byteswaporder = false;
|
|
if (0x0200 & peasycap_format->mask)
|
|
peasycap->skip = 5;
|
|
else
|
|
peasycap->skip = 0;
|
|
if (0x0800 & peasycap_format->mask)
|
|
peasycap->decimatepixel = true;
|
|
else
|
|
peasycap->decimatepixel = false;
|
|
if (0x1000 & peasycap_format->mask)
|
|
peasycap->offerfields = true;
|
|
else
|
|
peasycap->offerfields = false;
|
|
if (peasycap->decimatepixel)
|
|
multiplier = 2;
|
|
else
|
|
multiplier = 1;
|
|
peasycap->videofieldamount =
|
|
multiplier * peasycap->width * multiplier * peasycap->height;
|
|
peasycap->frame_buffer_used =
|
|
peasycap->bytesperpixel * peasycap->width * peasycap->height;
|
|
if (peasycap->video_isoc_streaming) {
|
|
resubmit = true;
|
|
kill_video_urbs(peasycap);
|
|
} else
|
|
resubmit = false;
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* PAL
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
if (0 == (0x01 & peasycap_format->mask)) {
|
|
if (((720 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(576 == peasycap_format->v4l2_format.fmt.pix.height)) ||
|
|
((360 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(288 == peasycap_format->v4l2_format.fmt.pix.height))) {
|
|
if (set_resolution(p, 0x0000, 0x0001, 0x05A0, 0x0121)) {
|
|
SAM("ERROR: set_resolution() failed\n");
|
|
return -EINVAL;
|
|
}
|
|
} else if ((704 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(576 == peasycap_format->v4l2_format.fmt.pix.height)) {
|
|
if (set_resolution(p, 0x0004, 0x0001, 0x0584, 0x0121)) {
|
|
SAM("ERROR: set_resolution() failed\n");
|
|
return -EINVAL;
|
|
}
|
|
} else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(480 == peasycap_format->v4l2_format.fmt.pix.height)) ||
|
|
((320 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(240 == peasycap_format->v4l2_format.fmt.pix.height))) {
|
|
if (set_resolution(p, 0x0014, 0x0020, 0x0514, 0x0110)) {
|
|
SAM("ERROR: set_resolution() failed\n");
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
SAM("MISTAKE: bad format, cannot set resolution\n");
|
|
return -EINVAL;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* NTSC
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
} else {
|
|
if (((720 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(480 == peasycap_format->v4l2_format.fmt.pix.height)) ||
|
|
((360 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(240 == peasycap_format->v4l2_format.fmt.pix.height))) {
|
|
if (set_resolution(p, 0x0000, 0x0003, 0x05A0, 0x00F3)) {
|
|
SAM("ERROR: set_resolution() failed\n");
|
|
return -EINVAL;
|
|
}
|
|
} else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(480 == peasycap_format->v4l2_format.fmt.pix.height)) ||
|
|
((320 == peasycap_format->v4l2_format.fmt.pix.width) &&
|
|
(240 == peasycap_format->v4l2_format.fmt.pix.height))) {
|
|
if (set_resolution(p, 0x0014, 0x0003, 0x0514, 0x00F3)) {
|
|
SAM("ERROR: set_resolution() failed\n");
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
SAM("MISTAKE: bad format, cannot set resolution\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
if (resubmit)
|
|
submit_video_urbs(peasycap);
|
|
|
|
return peasycap_best_format - easycap_format;
|
|
}
|
|
/*****************************************************************************/
|
|
int adjust_brightness(struct easycap *peasycap, int value)
|
|
{
|
|
unsigned int mood;
|
|
int i1, k;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_BRIGHTNESS == easycap_control[i1].id) {
|
|
if ((easycap_control[i1].minimum > value) ||
|
|
(easycap_control[i1].maximum < value))
|
|
value = easycap_control[i1].default_value;
|
|
|
|
if ((easycap_control[i1].minimum <= peasycap->brightness) &&
|
|
(easycap_control[i1].maximum >= peasycap->brightness)) {
|
|
if (peasycap->brightness == value) {
|
|
SAM("unchanged brightness at 0x%02X\n",
|
|
value);
|
|
return 0;
|
|
}
|
|
}
|
|
peasycap->brightness = value;
|
|
for (k = 0; k < INPUT_MANY; k++) {
|
|
if (!peasycap->inputset[k].brightness_ok)
|
|
peasycap->inputset[k].brightness =
|
|
peasycap->brightness;
|
|
}
|
|
if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
|
|
peasycap->inputset[peasycap->input].brightness =
|
|
peasycap->brightness;
|
|
peasycap->inputset[peasycap->input].brightness_ok = 1;
|
|
} else
|
|
JOM(8, "%i=peasycap->input\n", peasycap->input);
|
|
mood = 0x00FF & (unsigned int)peasycap->brightness;
|
|
if (!write_saa(peasycap->pusb_device, 0x0A, mood)) {
|
|
SAM("adjusting brightness to 0x%02X\n", mood);
|
|
return 0;
|
|
} else {
|
|
SAM("WARNING: failed to adjust brightness "
|
|
"to 0x%02X\n", mood);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust brightness: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*****************************************************************************/
|
|
int adjust_contrast(struct easycap *peasycap, int value)
|
|
{
|
|
unsigned int mood;
|
|
int i1, k;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_CONTRAST == easycap_control[i1].id) {
|
|
if ((easycap_control[i1].minimum > value) ||
|
|
(easycap_control[i1].maximum < value))
|
|
value = easycap_control[i1].default_value;
|
|
|
|
|
|
if ((easycap_control[i1].minimum <= peasycap->contrast) &&
|
|
(easycap_control[i1].maximum >= peasycap->contrast)) {
|
|
if (peasycap->contrast == value) {
|
|
SAM("unchanged contrast at 0x%02X\n", value);
|
|
return 0;
|
|
}
|
|
}
|
|
peasycap->contrast = value;
|
|
for (k = 0; k < INPUT_MANY; k++) {
|
|
if (!peasycap->inputset[k].contrast_ok)
|
|
peasycap->inputset[k].contrast = peasycap->contrast;
|
|
}
|
|
|
|
if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
|
|
peasycap->inputset[peasycap->input].contrast =
|
|
peasycap->contrast;
|
|
peasycap->inputset[peasycap->input].contrast_ok = 1;
|
|
} else
|
|
JOM(8, "%i=peasycap->input\n", peasycap->input);
|
|
|
|
mood = 0x00FF & (unsigned int) (peasycap->contrast - 128);
|
|
if (!write_saa(peasycap->pusb_device, 0x0B, mood)) {
|
|
SAM("adjusting contrast to 0x%02X\n", mood);
|
|
return 0;
|
|
} else {
|
|
SAM("WARNING: failed to adjust contrast to "
|
|
"0x%02X\n", mood);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust contrast: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*****************************************************************************/
|
|
int adjust_saturation(struct easycap *peasycap, int value)
|
|
{
|
|
unsigned int mood;
|
|
int i1, k;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_SATURATION == easycap_control[i1].id) {
|
|
if ((easycap_control[i1].minimum > value) ||
|
|
(easycap_control[i1].maximum < value))
|
|
value = easycap_control[i1].default_value;
|
|
|
|
|
|
if ((easycap_control[i1].minimum <= peasycap->saturation) &&
|
|
(easycap_control[i1].maximum >= peasycap->saturation)) {
|
|
if (peasycap->saturation == value) {
|
|
SAM("unchanged saturation at 0x%02X\n",
|
|
value);
|
|
return 0;
|
|
}
|
|
}
|
|
peasycap->saturation = value;
|
|
for (k = 0; k < INPUT_MANY; k++) {
|
|
if (!peasycap->inputset[k].saturation_ok)
|
|
peasycap->inputset[k].saturation =
|
|
peasycap->saturation;
|
|
}
|
|
if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
|
|
peasycap->inputset[peasycap->input].saturation =
|
|
peasycap->saturation;
|
|
peasycap->inputset[peasycap->input].saturation_ok = 1;
|
|
} else
|
|
JOM(8, "%i=peasycap->input\n", peasycap->input);
|
|
mood = 0x00FF & (unsigned int) (peasycap->saturation - 128);
|
|
if (!write_saa(peasycap->pusb_device, 0x0C, mood)) {
|
|
SAM("adjusting saturation to 0x%02X\n", mood);
|
|
return 0;
|
|
} else {
|
|
SAM("WARNING: failed to adjust saturation to "
|
|
"0x%02X\n", mood);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust saturation: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*****************************************************************************/
|
|
int adjust_hue(struct easycap *peasycap, int value)
|
|
{
|
|
unsigned int mood;
|
|
int i1, i2, k;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_HUE == easycap_control[i1].id) {
|
|
if ((easycap_control[i1].minimum > value) ||
|
|
(easycap_control[i1].maximum < value))
|
|
value = easycap_control[i1].default_value;
|
|
|
|
if ((easycap_control[i1].minimum <= peasycap->hue) &&
|
|
(easycap_control[i1].maximum >= peasycap->hue)) {
|
|
if (peasycap->hue == value) {
|
|
SAM("unchanged hue at 0x%02X\n", value);
|
|
return 0;
|
|
}
|
|
}
|
|
peasycap->hue = value;
|
|
for (k = 0; k < INPUT_MANY; k++) {
|
|
if (!peasycap->inputset[k].hue_ok)
|
|
peasycap->inputset[k].hue = peasycap->hue;
|
|
}
|
|
if (0 <= peasycap->input && INPUT_MANY > peasycap->input) {
|
|
peasycap->inputset[peasycap->input].hue = peasycap->hue;
|
|
peasycap->inputset[peasycap->input].hue_ok = 1;
|
|
} else
|
|
JOM(8, "%i=peasycap->input\n", peasycap->input);
|
|
i2 = peasycap->hue - 128;
|
|
mood = 0x00FF & ((int) i2);
|
|
if (!write_saa(peasycap->pusb_device, 0x0D, mood)) {
|
|
SAM("adjusting hue to 0x%02X\n", mood);
|
|
return 0;
|
|
} else {
|
|
SAM("WARNING: failed to adjust hue to 0x%02X\n", mood);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust hue: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*****************************************************************************/
|
|
int adjust_volume(struct easycap *peasycap, int value)
|
|
{
|
|
s8 mood;
|
|
int i1;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_AUDIO_VOLUME == easycap_control[i1].id) {
|
|
if ((easycap_control[i1].minimum > value) ||
|
|
(easycap_control[i1].maximum < value))
|
|
value = easycap_control[i1].default_value;
|
|
|
|
if ((easycap_control[i1].minimum <= peasycap->volume) &&
|
|
(easycap_control[i1].maximum >= peasycap->volume)) {
|
|
if (peasycap->volume == value) {
|
|
SAM("unchanged volume at 0x%02X\n", value);
|
|
return 0;
|
|
}
|
|
}
|
|
peasycap->volume = value;
|
|
mood = (16 > peasycap->volume) ? 16 :
|
|
((31 < peasycap->volume) ? 31 :
|
|
(s8) peasycap->volume);
|
|
if (!audio_gainset(peasycap->pusb_device, mood)) {
|
|
SAM("adjusting volume to 0x%02X\n", mood);
|
|
return 0;
|
|
} else {
|
|
SAM("WARNING: failed to adjust volume to "
|
|
"0x%2X\n", mood);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust volume: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*****************************************************************************/
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* AN ALTERNATIVE METHOD OF MUTING MIGHT SEEM TO BE:
|
|
* usb_set_interface(peasycap->pusb_device,
|
|
* peasycap->audio_interface,
|
|
* peasycap->audio_altsetting_off);
|
|
* HOWEVER, AFTER THIS COMMAND IS ISSUED ALL SUBSEQUENT URBS RECEIVE STATUS
|
|
* -ESHUTDOWN. THE HANDLER ROUTINE easyxxx_complete() DECLINES TO RESUBMIT
|
|
* THE URB AND THE PIPELINE COLLAPSES IRRETRIEVABLY. BEWARE.
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
static int adjust_mute(struct easycap *peasycap, int value)
|
|
{
|
|
int i1;
|
|
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (V4L2_CID_AUDIO_MUTE == easycap_control[i1].id) {
|
|
peasycap->mute = value;
|
|
switch (peasycap->mute) {
|
|
case 1: {
|
|
peasycap->audio_idle = 1;
|
|
peasycap->timeval0.tv_sec = 0;
|
|
SAM("adjusting mute: %i=peasycap->audio_idle\n",
|
|
peasycap->audio_idle);
|
|
return 0;
|
|
}
|
|
default: {
|
|
peasycap->audio_idle = 0;
|
|
SAM("adjusting mute: %i=peasycap->audio_idle\n",
|
|
peasycap->audio_idle);
|
|
return 0;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
SAM("WARNING: failed to adjust mute: control not found\n");
|
|
return -ENOENT;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
long easycap_unlocked_ioctl(struct file *file,
|
|
unsigned int cmd, unsigned long arg)
|
|
{
|
|
struct easycap *peasycap;
|
|
struct usb_device *p;
|
|
int kd;
|
|
|
|
if (!file) {
|
|
SAY("ERROR: file is NULL\n");
|
|
return -ERESTARTSYS;
|
|
}
|
|
peasycap = file->private_data;
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
return -1;
|
|
}
|
|
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
|
|
SAY("ERROR: bad peasycap\n");
|
|
return -EFAULT;
|
|
}
|
|
p = peasycap->pusb_device;
|
|
if (!p) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
return -EFAULT;
|
|
}
|
|
kd = isdongle(peasycap);
|
|
if (0 <= kd && DONGLE_MANY > kd) {
|
|
if (mutex_lock_interruptible(&easycapdc60_dongle[kd].mutex_video)) {
|
|
SAY("ERROR: cannot lock "
|
|
"easycapdc60_dongle[%i].mutex_video\n", kd);
|
|
return -ERESTARTSYS;
|
|
}
|
|
JOM(4, "locked easycapdc60_dongle[%i].mutex_video\n", kd);
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* MEANWHILE, easycap_usb_disconnect() MAY HAVE FREED POINTER peasycap,
|
|
* IN WHICH CASE A REPEAT CALL TO isdongle() WILL FAIL.
|
|
* IF NECESSARY, BAIL OUT.
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
if (kd != isdongle(peasycap))
|
|
return -ERESTARTSYS;
|
|
if (!file) {
|
|
SAY("ERROR: file is NULL\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ERESTARTSYS;
|
|
}
|
|
peasycap = file->private_data;
|
|
if (!peasycap) {
|
|
SAY("ERROR: peasycap is NULL\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ERESTARTSYS;
|
|
}
|
|
if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) {
|
|
SAY("ERROR: bad peasycap\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
p = peasycap->pusb_device;
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ERESTARTSYS;
|
|
}
|
|
} else {
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* IF easycap_usb_disconnect() HAS ALREADY FREED POINTER peasycap BEFORE THE
|
|
* ATTEMPT TO ACQUIRE THE SEMAPHORE, isdongle() WILL HAVE FAILED. BAIL OUT.
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
return -ERESTARTSYS;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
switch (cmd) {
|
|
case VIDIOC_QUERYCAP: {
|
|
struct v4l2_capability v4l2_capability;
|
|
char version[16], *p1, *p2;
|
|
int i, rc, k[3];
|
|
long lng;
|
|
|
|
JOM(8, "VIDIOC_QUERYCAP\n");
|
|
|
|
if (16 <= strlen(EASYCAP_DRIVER_VERSION)) {
|
|
SAM("ERROR: bad driver version string\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
strcpy(&version[0], EASYCAP_DRIVER_VERSION);
|
|
for (i = 0; i < 3; i++)
|
|
k[i] = 0;
|
|
p2 = &version[0];
|
|
i = 0;
|
|
while (*p2) {
|
|
p1 = p2;
|
|
while (*p2 && ('.' != *p2))
|
|
p2++;
|
|
if (*p2)
|
|
*p2++ = 0;
|
|
if (3 > i) {
|
|
rc = (int) strict_strtol(p1, 10, &lng);
|
|
if (rc) {
|
|
SAM("ERROR: %i=strict_strtol(%s,.,,)\n",
|
|
rc, p1);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
k[i] = (int)lng;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
memset(&v4l2_capability, 0, sizeof(struct v4l2_capability));
|
|
strlcpy(&v4l2_capability.driver[0],
|
|
"easycap", sizeof(v4l2_capability.driver));
|
|
|
|
v4l2_capability.capabilities = V4L2_CAP_VIDEO_CAPTURE |
|
|
V4L2_CAP_STREAMING |
|
|
V4L2_CAP_AUDIO |
|
|
V4L2_CAP_READWRITE;
|
|
|
|
v4l2_capability.version = KERNEL_VERSION(k[0], k[1], k[2]);
|
|
JOM(8, "v4l2_capability.version=(%i,%i,%i)\n", k[0], k[1], k[2]);
|
|
|
|
strlcpy(&v4l2_capability.card[0],
|
|
"EasyCAP DC60", sizeof(v4l2_capability.card));
|
|
|
|
if (usb_make_path(peasycap->pusb_device,
|
|
&v4l2_capability.bus_info[0],
|
|
sizeof(v4l2_capability.bus_info)) < 0) {
|
|
|
|
strlcpy(&v4l2_capability.bus_info[0], "EasyCAP bus_info",
|
|
sizeof(v4l2_capability.bus_info));
|
|
JOM(8, "%s=v4l2_capability.bus_info\n",
|
|
&v4l2_capability.bus_info[0]);
|
|
}
|
|
if (copy_to_user((void __user *)arg, &v4l2_capability,
|
|
sizeof(struct v4l2_capability))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUMINPUT: {
|
|
struct v4l2_input v4l2_input;
|
|
u32 index;
|
|
|
|
JOM(8, "VIDIOC_ENUMINPUT\n");
|
|
|
|
if (copy_from_user(&v4l2_input, (void __user *)arg,
|
|
sizeof(struct v4l2_input))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
index = v4l2_input.index;
|
|
memset(&v4l2_input, 0, sizeof(struct v4l2_input));
|
|
|
|
switch (index) {
|
|
case 0: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "CVBS0");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL |
|
|
V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC ;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
case 1: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "CVBS1");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
case 2: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "CVBS2");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC ;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
case 3: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "CVBS3");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC ;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
case 4: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "CVBS4");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC ;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
case 5: {
|
|
v4l2_input.index = index;
|
|
strcpy(&v4l2_input.name[0], "S-VIDEO");
|
|
v4l2_input.type = V4L2_INPUT_TYPE_CAMERA;
|
|
v4l2_input.audioset = 0x01;
|
|
v4l2_input.tuner = 0;
|
|
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM |
|
|
V4L2_STD_NTSC ;
|
|
v4l2_input.status = 0;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
|
|
break;
|
|
}
|
|
default: {
|
|
JOM(8, "%i=index: exhausts inputs\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_input,
|
|
sizeof(struct v4l2_input))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_INPUT: {
|
|
u32 index;
|
|
|
|
JOM(8, "VIDIOC_G_INPUT\n");
|
|
index = (u32)peasycap->input;
|
|
JOM(8, "user is told: %i\n", index);
|
|
if (copy_to_user((void __user *)arg, &index, sizeof(u32))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_INPUT:
|
|
{
|
|
u32 index;
|
|
int rc;
|
|
|
|
JOM(8, "VIDIOC_S_INPUT\n");
|
|
|
|
if (0 != copy_from_user(&index, (void __user *)arg, sizeof(u32))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
JOM(8, "user requests input %i\n", index);
|
|
|
|
if ((int)index == peasycap->input) {
|
|
SAM("requested input already in effect\n");
|
|
break;
|
|
}
|
|
|
|
if ((0 > index) || (INPUT_MANY <= index)) {
|
|
JOM(8, "ERROR: bad requested input: %i\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = newinput(peasycap, (int)index);
|
|
if (0 == rc) {
|
|
JOM(8, "newinput(.,%i) OK\n", (int)index);
|
|
} else {
|
|
SAM("ERROR: newinput(.,%i) returned %i\n", (int)index, rc);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUMAUDIO: {
|
|
JOM(8, "VIDIOC_ENUMAUDIO\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUMAUDOUT: {
|
|
struct v4l2_audioout v4l2_audioout;
|
|
|
|
JOM(8, "VIDIOC_ENUMAUDOUT\n");
|
|
|
|
if (copy_from_user(&v4l2_audioout, (void __user *)arg,
|
|
sizeof(struct v4l2_audioout))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (0 != v4l2_audioout.index) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
memset(&v4l2_audioout, 0, sizeof(struct v4l2_audioout));
|
|
v4l2_audioout.index = 0;
|
|
strcpy(&v4l2_audioout.name[0], "Soundtrack");
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_audioout,
|
|
sizeof(struct v4l2_audioout))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_QUERYCTRL: {
|
|
int i1;
|
|
struct v4l2_queryctrl v4l2_queryctrl;
|
|
|
|
JOM(8, "VIDIOC_QUERYCTRL\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_queryctrl, (void __user *)arg,
|
|
sizeof(struct v4l2_queryctrl))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
i1 = 0;
|
|
while (0xFFFFFFFF != easycap_control[i1].id) {
|
|
if (easycap_control[i1].id == v4l2_queryctrl.id) {
|
|
JOM(8, "VIDIOC_QUERYCTRL %s=easycap_control[%i]"
|
|
".name\n", &easycap_control[i1].name[0], i1);
|
|
memcpy(&v4l2_queryctrl, &easycap_control[i1],
|
|
sizeof(struct v4l2_queryctrl));
|
|
break;
|
|
}
|
|
i1++;
|
|
}
|
|
if (0xFFFFFFFF == easycap_control[i1].id) {
|
|
JOM(8, "%i=index: exhausts controls\n", i1);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
if (copy_to_user((void __user *)arg, &v4l2_queryctrl,
|
|
sizeof(struct v4l2_queryctrl))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_QUERYMENU: {
|
|
JOM(8, "VIDIOC_QUERYMENU unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_CTRL: {
|
|
struct v4l2_control *pv4l2_control;
|
|
|
|
JOM(8, "VIDIOC_G_CTRL\n");
|
|
pv4l2_control = kzalloc(sizeof(struct v4l2_control), GFP_KERNEL);
|
|
if (!pv4l2_control) {
|
|
SAM("ERROR: out of memory\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOMEM;
|
|
}
|
|
if (0 != copy_from_user(pv4l2_control, (void __user *)arg,
|
|
sizeof(struct v4l2_control))) {
|
|
kfree(pv4l2_control);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
switch (pv4l2_control->id) {
|
|
case V4L2_CID_BRIGHTNESS: {
|
|
pv4l2_control->value = peasycap->brightness;
|
|
JOM(8, "user enquires brightness: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
case V4L2_CID_CONTRAST: {
|
|
pv4l2_control->value = peasycap->contrast;
|
|
JOM(8, "user enquires contrast: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
case V4L2_CID_SATURATION: {
|
|
pv4l2_control->value = peasycap->saturation;
|
|
JOM(8, "user enquires saturation: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
case V4L2_CID_HUE: {
|
|
pv4l2_control->value = peasycap->hue;
|
|
JOM(8, "user enquires hue: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
case V4L2_CID_AUDIO_VOLUME: {
|
|
pv4l2_control->value = peasycap->volume;
|
|
JOM(8, "user enquires volume: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
case V4L2_CID_AUDIO_MUTE: {
|
|
if (1 == peasycap->mute)
|
|
pv4l2_control->value = true;
|
|
else
|
|
pv4l2_control->value = false;
|
|
JOM(8, "user enquires mute: %i\n", pv4l2_control->value);
|
|
break;
|
|
}
|
|
default: {
|
|
SAM("ERROR: unknown V4L2 control: 0x%08X=id\n",
|
|
pv4l2_control->id);
|
|
kfree(pv4l2_control);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
if (copy_to_user((void __user *)arg, pv4l2_control,
|
|
sizeof(struct v4l2_control))) {
|
|
kfree(pv4l2_control);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
kfree(pv4l2_control);
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_CTRL: {
|
|
struct v4l2_control v4l2_control;
|
|
|
|
JOM(8, "VIDIOC_S_CTRL\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_control, (void __user *)arg,
|
|
sizeof(struct v4l2_control))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
switch (v4l2_control.id) {
|
|
case V4L2_CID_BRIGHTNESS: {
|
|
JOM(8, "user requests brightness %i\n", v4l2_control.value);
|
|
if (0 != adjust_brightness(peasycap, v4l2_control.value))
|
|
;
|
|
break;
|
|
}
|
|
case V4L2_CID_CONTRAST: {
|
|
JOM(8, "user requests contrast %i\n", v4l2_control.value);
|
|
if (0 != adjust_contrast(peasycap, v4l2_control.value))
|
|
;
|
|
break;
|
|
}
|
|
case V4L2_CID_SATURATION: {
|
|
JOM(8, "user requests saturation %i\n", v4l2_control.value);
|
|
if (0 != adjust_saturation(peasycap, v4l2_control.value))
|
|
;
|
|
break;
|
|
}
|
|
case V4L2_CID_HUE: {
|
|
JOM(8, "user requests hue %i\n", v4l2_control.value);
|
|
if (0 != adjust_hue(peasycap, v4l2_control.value))
|
|
;
|
|
break;
|
|
}
|
|
case V4L2_CID_AUDIO_VOLUME: {
|
|
JOM(8, "user requests volume %i\n", v4l2_control.value);
|
|
if (0 != adjust_volume(peasycap, v4l2_control.value))
|
|
;
|
|
break;
|
|
}
|
|
case V4L2_CID_AUDIO_MUTE: {
|
|
int mute;
|
|
|
|
JOM(8, "user requests mute %i\n", v4l2_control.value);
|
|
if (v4l2_control.value)
|
|
mute = 1;
|
|
else
|
|
mute = 0;
|
|
|
|
if (0 != adjust_mute(peasycap, mute))
|
|
SAM("WARNING: failed to adjust mute to %i\n", mute);
|
|
break;
|
|
}
|
|
default: {
|
|
SAM("ERROR: unknown V4L2 control: 0x%08X=id\n",
|
|
v4l2_control.id);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_EXT_CTRLS: {
|
|
JOM(8, "VIDIOC_S_EXT_CTRLS unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUM_FMT: {
|
|
u32 index;
|
|
struct v4l2_fmtdesc v4l2_fmtdesc;
|
|
|
|
JOM(8, "VIDIOC_ENUM_FMT\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_fmtdesc, (void __user *)arg,
|
|
sizeof(struct v4l2_fmtdesc))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
index = v4l2_fmtdesc.index;
|
|
memset(&v4l2_fmtdesc, 0, sizeof(struct v4l2_fmtdesc));
|
|
|
|
v4l2_fmtdesc.index = index;
|
|
v4l2_fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
|
switch (index) {
|
|
case 0: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "uyvy");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_UYVY;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
case 1: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "yuy2");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_YUYV;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
case 2: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "rgb24");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB24;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
case 3: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "rgb32");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB32;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
case 4: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "bgr24");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR24;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
case 5: {
|
|
v4l2_fmtdesc.flags = 0;
|
|
strcpy(&v4l2_fmtdesc.description[0], "bgr32");
|
|
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR32;
|
|
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
|
|
break;
|
|
}
|
|
default: {
|
|
JOM(8, "%i=index: exhausts formats\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
if (copy_to_user((void __user *)arg, &v4l2_fmtdesc,
|
|
sizeof(struct v4l2_fmtdesc))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
/*
|
|
* THE RESPONSE TO VIDIOC_ENUM_FRAMESIZES MUST BE CONDITIONED ON THE
|
|
* THE CURRENT STANDARD, BECAUSE THAT IS WHAT gstreamer EXPECTS. BEWARE.
|
|
*/
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUM_FRAMESIZES: {
|
|
u32 index;
|
|
struct v4l2_frmsizeenum v4l2_frmsizeenum;
|
|
|
|
JOM(8, "VIDIOC_ENUM_FRAMESIZES\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_frmsizeenum, (void __user *)arg,
|
|
sizeof(struct v4l2_frmsizeenum))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
index = v4l2_frmsizeenum.index;
|
|
|
|
v4l2_frmsizeenum.type = (u32) V4L2_FRMSIZE_TYPE_DISCRETE;
|
|
|
|
if (peasycap->ntsc) {
|
|
switch (index) {
|
|
case 0: {
|
|
v4l2_frmsizeenum.discrete.width = 640;
|
|
v4l2_frmsizeenum.discrete.height = 480;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 1: {
|
|
v4l2_frmsizeenum.discrete.width = 320;
|
|
v4l2_frmsizeenum.discrete.height = 240;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 2: {
|
|
v4l2_frmsizeenum.discrete.width = 720;
|
|
v4l2_frmsizeenum.discrete.height = 480;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 3: {
|
|
v4l2_frmsizeenum.discrete.width = 360;
|
|
v4l2_frmsizeenum.discrete.height = 240;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
default: {
|
|
JOM(8, "%i=index: exhausts framesizes\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
} else {
|
|
switch (index) {
|
|
case 0: {
|
|
v4l2_frmsizeenum.discrete.width = 640;
|
|
v4l2_frmsizeenum.discrete.height = 480;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 1: {
|
|
v4l2_frmsizeenum.discrete.width = 320;
|
|
v4l2_frmsizeenum.discrete.height = 240;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 2: {
|
|
v4l2_frmsizeenum.discrete.width = 704;
|
|
v4l2_frmsizeenum.discrete.height = 576;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 3: {
|
|
v4l2_frmsizeenum.discrete.width = 720;
|
|
v4l2_frmsizeenum.discrete.height = 576;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
case 4: {
|
|
v4l2_frmsizeenum.discrete.width = 360;
|
|
v4l2_frmsizeenum.discrete.height = 288;
|
|
JOM(8, "%i=index: %ix%i\n", index,
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.width),
|
|
(int)(v4l2_frmsizeenum.
|
|
discrete.height));
|
|
break;
|
|
}
|
|
default: {
|
|
JOM(8, "%i=index: exhausts framesizes\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
}
|
|
if (copy_to_user((void __user *)arg, &v4l2_frmsizeenum,
|
|
sizeof(struct v4l2_frmsizeenum))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
/*
|
|
* THE RESPONSE TO VIDIOC_ENUM_FRAMEINTERVALS MUST BE CONDITIONED ON THE
|
|
* THE CURRENT STANDARD, BECAUSE THAT IS WHAT gstreamer EXPECTS. BEWARE.
|
|
*/
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_ENUM_FRAMEINTERVALS: {
|
|
u32 index;
|
|
int denominator;
|
|
struct v4l2_frmivalenum v4l2_frmivalenum;
|
|
|
|
JOM(8, "VIDIOC_ENUM_FRAMEINTERVALS\n");
|
|
|
|
if (peasycap->fps)
|
|
denominator = peasycap->fps;
|
|
else {
|
|
if (peasycap->ntsc)
|
|
denominator = 30;
|
|
else
|
|
denominator = 25;
|
|
}
|
|
|
|
if (0 != copy_from_user(&v4l2_frmivalenum, (void __user *)arg,
|
|
sizeof(struct v4l2_frmivalenum))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
index = v4l2_frmivalenum.index;
|
|
|
|
v4l2_frmivalenum.type = (u32) V4L2_FRMIVAL_TYPE_DISCRETE;
|
|
|
|
switch (index) {
|
|
case 0: {
|
|
v4l2_frmivalenum.discrete.numerator = 1;
|
|
v4l2_frmivalenum.discrete.denominator = denominator;
|
|
JOM(8, "%i=index: %i/%i\n", index,
|
|
(int)(v4l2_frmivalenum.discrete.numerator),
|
|
(int)(v4l2_frmivalenum.discrete.denominator));
|
|
break;
|
|
}
|
|
case 1: {
|
|
v4l2_frmivalenum.discrete.numerator = 1;
|
|
v4l2_frmivalenum.discrete.denominator = denominator/5;
|
|
JOM(8, "%i=index: %i/%i\n", index,
|
|
(int)(v4l2_frmivalenum.discrete.numerator),
|
|
(int)(v4l2_frmivalenum.discrete.denominator));
|
|
break;
|
|
}
|
|
default: {
|
|
JOM(8, "%i=index: exhausts frameintervals\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
if (copy_to_user((void __user *)arg, &v4l2_frmivalenum,
|
|
sizeof(struct v4l2_frmivalenum))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_FMT: {
|
|
struct v4l2_format *pv4l2_format;
|
|
struct v4l2_pix_format *pv4l2_pix_format;
|
|
|
|
JOM(8, "VIDIOC_G_FMT\n");
|
|
pv4l2_format = kzalloc(sizeof(struct v4l2_format), GFP_KERNEL);
|
|
if (!pv4l2_format) {
|
|
SAM("ERROR: out of memory\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOMEM;
|
|
}
|
|
pv4l2_pix_format = kzalloc(sizeof(struct v4l2_pix_format), GFP_KERNEL);
|
|
if (!pv4l2_pix_format) {
|
|
SAM("ERROR: out of memory\n");
|
|
kfree(pv4l2_format);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOMEM;
|
|
}
|
|
if (0 != copy_from_user(pv4l2_format, (void __user *)arg,
|
|
sizeof(struct v4l2_format))) {
|
|
kfree(pv4l2_format);
|
|
kfree(pv4l2_pix_format);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (pv4l2_format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
kfree(pv4l2_format);
|
|
kfree(pv4l2_pix_format);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
|
|
memset(pv4l2_pix_format, 0, sizeof(struct v4l2_pix_format));
|
|
pv4l2_format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
memcpy(&pv4l2_format->fmt.pix,
|
|
&easycap_format[peasycap->format_offset]
|
|
.v4l2_format.fmt.pix, sizeof(struct v4l2_pix_format));
|
|
JOM(8, "user is told: %s\n",
|
|
&easycap_format[peasycap->format_offset].name[0]);
|
|
|
|
if (copy_to_user((void __user *)arg, pv4l2_format,
|
|
sizeof(struct v4l2_format))) {
|
|
kfree(pv4l2_format);
|
|
kfree(pv4l2_pix_format);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
kfree(pv4l2_format);
|
|
kfree(pv4l2_pix_format);
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_TRY_FMT:
|
|
case VIDIOC_S_FMT: {
|
|
struct v4l2_format v4l2_format;
|
|
struct v4l2_pix_format v4l2_pix_format;
|
|
bool try;
|
|
int best_format;
|
|
|
|
if (VIDIOC_TRY_FMT == cmd) {
|
|
JOM(8, "VIDIOC_TRY_FMT\n");
|
|
try = true;
|
|
} else {
|
|
JOM(8, "VIDIOC_S_FMT\n");
|
|
try = false;
|
|
}
|
|
|
|
if (0 != copy_from_user(&v4l2_format, (void __user *)arg,
|
|
sizeof(struct v4l2_format))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
best_format = adjust_format(peasycap,
|
|
v4l2_format.fmt.pix.width,
|
|
v4l2_format.fmt.pix.height,
|
|
v4l2_format.fmt.pix.pixelformat,
|
|
v4l2_format.fmt.pix.field,
|
|
try);
|
|
if (0 > best_format) {
|
|
if (-EBUSY == best_format) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EBUSY;
|
|
}
|
|
JOM(8, "WARNING: adjust_format() returned %i\n", best_format);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOENT;
|
|
}
|
|
/*...........................................................................*/
|
|
memset(&v4l2_pix_format, 0, sizeof(struct v4l2_pix_format));
|
|
v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
|
memcpy(&(v4l2_format.fmt.pix),
|
|
&(easycap_format[best_format].v4l2_format.fmt.pix),
|
|
sizeof(v4l2_pix_format));
|
|
JOM(8, "user is told: %s\n", &easycap_format[best_format].name[0]);
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_format,
|
|
sizeof(struct v4l2_format))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_CROPCAP: {
|
|
struct v4l2_cropcap v4l2_cropcap;
|
|
|
|
JOM(8, "VIDIOC_CROPCAP\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_cropcap, (void __user *)arg,
|
|
sizeof(struct v4l2_cropcap))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
JOM(8, "v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
|
|
|
|
memset(&v4l2_cropcap, 0, sizeof(struct v4l2_cropcap));
|
|
v4l2_cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
v4l2_cropcap.bounds.left = 0;
|
|
v4l2_cropcap.bounds.top = 0;
|
|
v4l2_cropcap.bounds.width = peasycap->width;
|
|
v4l2_cropcap.bounds.height = peasycap->height;
|
|
v4l2_cropcap.defrect.left = 0;
|
|
v4l2_cropcap.defrect.top = 0;
|
|
v4l2_cropcap.defrect.width = peasycap->width;
|
|
v4l2_cropcap.defrect.height = peasycap->height;
|
|
v4l2_cropcap.pixelaspect.numerator = 1;
|
|
v4l2_cropcap.pixelaspect.denominator = 1;
|
|
|
|
JOM(8, "user is told: %ix%i\n", peasycap->width, peasycap->height);
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_cropcap,
|
|
sizeof(struct v4l2_cropcap))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_CROP:
|
|
case VIDIOC_S_CROP: {
|
|
JOM(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_QUERYSTD: {
|
|
JOM(8, "VIDIOC_QUERYSTD: "
|
|
"EasyCAP is incapable of detecting standard\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
/*-------------------------------------------------------------------*/
|
|
/*
|
|
* THE MANIPULATIONS INVOLVING last0,last1,last2,last3
|
|
* CONSTITUTE A WORKAROUND * FOR WHAT APPEARS TO BE
|
|
* A BUG IN 64-BIT mplayer.
|
|
* NOT NEEDED, BUT HOPEFULLY HARMLESS, FOR 32-BIT mplayer.
|
|
*/
|
|
/*------------------------------------------------------------------*/
|
|
case VIDIOC_ENUMSTD: {
|
|
int last0 = -1, last1 = -1, last2 = -1, last3 = -1;
|
|
struct v4l2_standard v4l2_standard;
|
|
u32 index;
|
|
struct easycap_standard const *peasycap_standard;
|
|
|
|
JOM(8, "VIDIOC_ENUMSTD\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_standard, (void __user *)arg,
|
|
sizeof(struct v4l2_standard))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
index = v4l2_standard.index;
|
|
|
|
last3 = last2;
|
|
last2 = last1;
|
|
last1 = last0;
|
|
last0 = index;
|
|
if ((index == last3) && (index == last2) &&
|
|
(index == last1) && (index == last0)) {
|
|
index++;
|
|
last3 = last2;
|
|
last2 = last1;
|
|
last1 = last0;
|
|
last0 = index;
|
|
}
|
|
|
|
memset(&v4l2_standard, 0, sizeof(struct v4l2_standard));
|
|
|
|
peasycap_standard = &easycap_standard[0];
|
|
while (0xFFFF != peasycap_standard->mask) {
|
|
if ((int)(peasycap_standard - &easycap_standard[0]) == index)
|
|
break;
|
|
peasycap_standard++;
|
|
}
|
|
if (0xFFFF == peasycap_standard->mask) {
|
|
JOM(8, "%i=index: exhausts standards\n", index);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
JOM(8, "%i=index: %s\n", index,
|
|
&(peasycap_standard->v4l2_standard.name[0]));
|
|
memcpy(&v4l2_standard, &(peasycap_standard->v4l2_standard),
|
|
sizeof(struct v4l2_standard));
|
|
|
|
v4l2_standard.index = index;
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_standard,
|
|
sizeof(struct v4l2_standard))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_STD: {
|
|
v4l2_std_id std_id;
|
|
struct easycap_standard const *peasycap_standard;
|
|
|
|
JOM(8, "VIDIOC_G_STD\n");
|
|
|
|
if (0 > peasycap->standard_offset) {
|
|
JOM(8, "%i=peasycap->standard_offset\n",
|
|
peasycap->standard_offset);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EBUSY;
|
|
}
|
|
|
|
if (0 != copy_from_user(&std_id, (void __user *)arg,
|
|
sizeof(v4l2_std_id))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
peasycap_standard = &easycap_standard[peasycap->standard_offset];
|
|
std_id = peasycap_standard->v4l2_standard.id;
|
|
|
|
JOM(8, "user is told: %s\n",
|
|
&peasycap_standard->v4l2_standard.name[0]);
|
|
|
|
if (copy_to_user((void __user *)arg, &std_id,
|
|
sizeof(v4l2_std_id))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_STD: {
|
|
v4l2_std_id std_id;
|
|
int rc;
|
|
|
|
JOM(8, "VIDIOC_S_STD\n");
|
|
|
|
if (0 != copy_from_user(&std_id, (void __user *)arg,
|
|
sizeof(v4l2_std_id))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
JOM(8, "User requests standard: 0x%08X%08X\n",
|
|
(int)((std_id & (((v4l2_std_id)0xFFFFFFFF) << 32)) >> 32),
|
|
(int)(std_id & ((v4l2_std_id)0xFFFFFFFF)));
|
|
|
|
rc = adjust_standard(peasycap, std_id);
|
|
if (0 > rc) {
|
|
JOM(8, "WARNING: adjust_standard() returned %i\n", rc);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOENT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_REQBUFS: {
|
|
int nbuffers;
|
|
struct v4l2_requestbuffers v4l2_requestbuffers;
|
|
|
|
JOM(8, "VIDIOC_REQBUFS\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_requestbuffers,
|
|
(void __user *)arg,
|
|
sizeof(struct v4l2_requestbuffers))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (v4l2_requestbuffers.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
if (v4l2_requestbuffers.memory != V4L2_MEMORY_MMAP) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
nbuffers = v4l2_requestbuffers.count;
|
|
JOM(8, " User requests %i buffers ...\n", nbuffers);
|
|
if (nbuffers < 2)
|
|
nbuffers = 2;
|
|
if (nbuffers > FRAME_BUFFER_MANY)
|
|
nbuffers = FRAME_BUFFER_MANY;
|
|
if (v4l2_requestbuffers.count == nbuffers) {
|
|
JOM(8, " ... agree to %i buffers\n",
|
|
nbuffers);
|
|
} else {
|
|
JOM(8, " ... insist on %i buffers\n",
|
|
nbuffers);
|
|
v4l2_requestbuffers.count = nbuffers;
|
|
}
|
|
peasycap->frame_buffer_many = nbuffers;
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_requestbuffers,
|
|
sizeof(struct v4l2_requestbuffers))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_QUERYBUF: {
|
|
u32 index;
|
|
struct v4l2_buffer v4l2_buffer;
|
|
|
|
JOM(8, "VIDIOC_QUERYBUF\n");
|
|
|
|
if (peasycap->video_eof) {
|
|
JOM(8, "returning -EIO because %i=video_eof\n",
|
|
peasycap->video_eof);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EIO;
|
|
}
|
|
|
|
if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
index = v4l2_buffer.index;
|
|
if (index < 0 || index >= peasycap->frame_buffer_many)
|
|
return -EINVAL;
|
|
memset(&v4l2_buffer, 0, sizeof(struct v4l2_buffer));
|
|
v4l2_buffer.index = index;
|
|
v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
v4l2_buffer.bytesused = peasycap->frame_buffer_used;
|
|
v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED |
|
|
peasycap->done[index] |
|
|
peasycap->queued[index];
|
|
v4l2_buffer.field = V4L2_FIELD_NONE;
|
|
v4l2_buffer.memory = V4L2_MEMORY_MMAP;
|
|
v4l2_buffer.m.offset = index * FRAME_BUFFER_SIZE;
|
|
v4l2_buffer.length = FRAME_BUFFER_SIZE;
|
|
|
|
JOM(16, " %10i=index\n", v4l2_buffer.index);
|
|
JOM(16, " 0x%08X=type\n", v4l2_buffer.type);
|
|
JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
|
|
JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags);
|
|
JOM(16, " %10i=field\n", v4l2_buffer.field);
|
|
JOM(16, " %10li=timestamp.tv_usec\n",
|
|
(long)v4l2_buffer.timestamp.tv_usec);
|
|
JOM(16, " %10i=sequence\n", v4l2_buffer.sequence);
|
|
JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory);
|
|
JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
|
|
JOM(16, " %10i=length\n", v4l2_buffer.length);
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_buffer,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_QBUF: {
|
|
struct v4l2_buffer v4l2_buffer;
|
|
|
|
JOM(8, "VIDIOC_QBUF\n");
|
|
|
|
if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
if (v4l2_buffer.memory != V4L2_MEMORY_MMAP) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
if (v4l2_buffer.index < 0 ||
|
|
v4l2_buffer.index >= peasycap->frame_buffer_many) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED;
|
|
|
|
peasycap->done[v4l2_buffer.index] = 0;
|
|
peasycap->queued[v4l2_buffer.index] = V4L2_BUF_FLAG_QUEUED;
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_buffer,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
JOM(8, "..... user queueing frame buffer %i\n",
|
|
(int)v4l2_buffer.index);
|
|
|
|
peasycap->frame_lock = 0;
|
|
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_DQBUF:
|
|
{
|
|
struct timeval timeval, timeval2;
|
|
int i, j;
|
|
struct v4l2_buffer v4l2_buffer;
|
|
int rcdq;
|
|
u16 input;
|
|
|
|
JOM(8, "VIDIOC_DQBUF\n");
|
|
|
|
if ((peasycap->video_idle) || (peasycap->video_eof)) {
|
|
JOM(8, "returning -EIO because "
|
|
"%i=video_idle %i=video_eof\n",
|
|
peasycap->video_idle, peasycap->video_eof);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EIO;
|
|
}
|
|
|
|
if (copy_from_user(&v4l2_buffer, (void __user *)arg,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (peasycap->offerfields) {
|
|
/*---------------------------------------------------*/
|
|
/*
|
|
* IN ITS 50 "fps" MODE tvtime SEEMS ALWAYS TO REQUEST
|
|
* V4L2_FIELD_BOTTOM
|
|
*/
|
|
/*---------------------------------------------------*/
|
|
if (V4L2_FIELD_TOP == v4l2_buffer.field)
|
|
JOM(8, "user wants V4L2_FIELD_TOP\n");
|
|
else if (V4L2_FIELD_BOTTOM == v4l2_buffer.field)
|
|
JOM(8, "user wants V4L2_FIELD_BOTTOM\n");
|
|
else if (V4L2_FIELD_ANY == v4l2_buffer.field)
|
|
JOM(8, "user wants V4L2_FIELD_ANY\n");
|
|
else
|
|
JOM(8, "user wants V4L2_FIELD_...UNKNOWN: %i\n",
|
|
v4l2_buffer.field);
|
|
}
|
|
|
|
if (!peasycap->video_isoc_streaming) {
|
|
JOM(16, "returning -EIO because video urbs not streaming\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EIO;
|
|
}
|
|
/*-------------------------------------------------------------------*/
|
|
/*
|
|
* IF THE USER HAS PREVIOUSLY CALLED easycap_poll(),
|
|
* AS DETERMINED BY FINDING
|
|
* THE FLAG peasycap->polled SET, THERE MUST BE
|
|
* NO FURTHER WAIT HERE. IN THIS
|
|
* CASE, JUST CHOOSE THE FRAME INDICATED BY peasycap->frame_read
|
|
*/
|
|
/*-------------------------------------------------------------------*/
|
|
|
|
if (!peasycap->polled) {
|
|
do {
|
|
rcdq = easycap_dqbuf(peasycap, 0);
|
|
if (-EIO == rcdq) {
|
|
JOM(8, "returning -EIO because "
|
|
"dqbuf() returned -EIO\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EIO;
|
|
}
|
|
} while (0 != rcdq);
|
|
} else {
|
|
if (peasycap->video_eof) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EIO;
|
|
}
|
|
}
|
|
if (V4L2_BUF_FLAG_DONE != peasycap->done[peasycap->frame_read]) {
|
|
JOM(8, "V4L2_BUF_FLAG_DONE != 0x%08X\n",
|
|
peasycap->done[peasycap->frame_read]);
|
|
}
|
|
peasycap->polled = 0;
|
|
|
|
if (!(peasycap->isequence % 10)) {
|
|
for (i = 0; i < 179; i++)
|
|
peasycap->merit[i] = peasycap->merit[i+1];
|
|
peasycap->merit[179] = merit_saa(peasycap->pusb_device);
|
|
j = 0;
|
|
for (i = 0; i < 180; i++)
|
|
j += peasycap->merit[i];
|
|
if (90 < j) {
|
|
SAM("easycap driver shutting down "
|
|
"on condition blue\n");
|
|
peasycap->video_eof = 1;
|
|
peasycap->audio_eof = 1;
|
|
}
|
|
}
|
|
|
|
v4l2_buffer.index = peasycap->frame_read;
|
|
v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
v4l2_buffer.bytesused = peasycap->frame_buffer_used;
|
|
v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE;
|
|
if (peasycap->offerfields)
|
|
v4l2_buffer.field = V4L2_FIELD_BOTTOM;
|
|
else
|
|
v4l2_buffer.field = V4L2_FIELD_NONE;
|
|
do_gettimeofday(&timeval);
|
|
timeval2 = timeval;
|
|
|
|
v4l2_buffer.timestamp = timeval2;
|
|
v4l2_buffer.sequence = peasycap->isequence++;
|
|
v4l2_buffer.memory = V4L2_MEMORY_MMAP;
|
|
v4l2_buffer.m.offset = v4l2_buffer.index * FRAME_BUFFER_SIZE;
|
|
v4l2_buffer.length = FRAME_BUFFER_SIZE;
|
|
|
|
JOM(16, " %10i=index\n", v4l2_buffer.index);
|
|
JOM(16, " 0x%08X=type\n", v4l2_buffer.type);
|
|
JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
|
|
JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags);
|
|
JOM(16, " %10i=field\n", v4l2_buffer.field);
|
|
JOM(16, " %10li=timestamp.tv_sec\n",
|
|
(long)v4l2_buffer.timestamp.tv_sec);
|
|
JOM(16, " %10li=timestamp.tv_usec\n",
|
|
(long)v4l2_buffer.timestamp.tv_usec);
|
|
JOM(16, " %10i=sequence\n", v4l2_buffer.sequence);
|
|
JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory);
|
|
JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
|
|
JOM(16, " %10i=length\n", v4l2_buffer.length);
|
|
|
|
if (copy_to_user((void __user *)arg, &v4l2_buffer,
|
|
sizeof(struct v4l2_buffer))) {
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
input = peasycap->frame_buffer[peasycap->frame_read][0].input;
|
|
if (0x08 & input) {
|
|
JOM(8, "user is offered frame buffer %i, input %i\n",
|
|
peasycap->frame_read, (0x07 & input));
|
|
} else {
|
|
JOM(8, "user is offered frame buffer %i\n",
|
|
peasycap->frame_read);
|
|
}
|
|
peasycap->frame_lock = 1;
|
|
JOM(8, "%i=peasycap->frame_fill\n", peasycap->frame_fill);
|
|
if (peasycap->frame_read == peasycap->frame_fill) {
|
|
if (peasycap->frame_lock) {
|
|
JOM(8, "WORRY: filling frame buffer "
|
|
"while offered to user\n");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_STREAMON: {
|
|
int i;
|
|
|
|
JOM(8, "VIDIOC_STREAMON\n");
|
|
|
|
peasycap->isequence = 0;
|
|
for (i = 0; i < 180; i++)
|
|
peasycap->merit[i] = 0;
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
submit_video_urbs(peasycap);
|
|
peasycap->video_idle = 0;
|
|
peasycap->audio_idle = 0;
|
|
peasycap->video_eof = 0;
|
|
peasycap->audio_eof = 0;
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_STREAMOFF: {
|
|
JOM(8, "VIDIOC_STREAMOFF\n");
|
|
|
|
if (!peasycap->pusb_device) {
|
|
SAM("ERROR: peasycap->pusb_device is NULL\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
peasycap->video_idle = 1;
|
|
peasycap->audio_idle = 1;
|
|
peasycap->timeval0.tv_sec = 0;
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* IF THE WAIT QUEUES ARE NOT CLEARED IN RESPONSE TO THE STREAMOFF COMMAND
|
|
* THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE.
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
JOM(8, "calling wake_up on wq_video and wq_audio\n");
|
|
wake_up_interruptible(&(peasycap->wq_video));
|
|
#ifdef CONFIG_EASYCAP_OSS
|
|
wake_up_interruptible(&(peasycap->wq_audio));
|
|
|
|
#else
|
|
if (peasycap->psubstream)
|
|
snd_pcm_period_elapsed(peasycap->psubstream);
|
|
#endif /* CONFIG_EASYCAP_OSS */
|
|
/*---------------------------------------------------------------------------*/
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_PARM: {
|
|
struct v4l2_streamparm *pv4l2_streamparm;
|
|
|
|
JOM(8, "VIDIOC_G_PARM\n");
|
|
pv4l2_streamparm = kzalloc(sizeof(struct v4l2_streamparm), GFP_KERNEL);
|
|
if (!pv4l2_streamparm) {
|
|
SAM("ERROR: out of memory\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOMEM;
|
|
}
|
|
if (copy_from_user(pv4l2_streamparm,
|
|
(void __user *)arg, sizeof(struct v4l2_streamparm))) {
|
|
kfree(pv4l2_streamparm);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (pv4l2_streamparm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
kfree(pv4l2_streamparm);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
pv4l2_streamparm->parm.capture.capability = 0;
|
|
pv4l2_streamparm->parm.capture.capturemode = 0;
|
|
pv4l2_streamparm->parm.capture.timeperframe.numerator = 1;
|
|
|
|
if (peasycap->fps) {
|
|
pv4l2_streamparm->parm.capture.timeperframe.
|
|
denominator = peasycap->fps;
|
|
} else {
|
|
if (peasycap->ntsc) {
|
|
pv4l2_streamparm->parm.capture.timeperframe.
|
|
denominator = 30;
|
|
} else {
|
|
pv4l2_streamparm->parm.capture.timeperframe.
|
|
denominator = 25;
|
|
}
|
|
}
|
|
|
|
pv4l2_streamparm->parm.capture.readbuffers =
|
|
peasycap->frame_buffer_many;
|
|
pv4l2_streamparm->parm.capture.extendedmode = 0;
|
|
if (copy_to_user((void __user *)arg,
|
|
pv4l2_streamparm,
|
|
sizeof(struct v4l2_streamparm))) {
|
|
kfree(pv4l2_streamparm);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EFAULT;
|
|
}
|
|
kfree(pv4l2_streamparm);
|
|
break;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_PARM: {
|
|
JOM(8, "VIDIOC_S_PARM unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_AUDIO: {
|
|
JOM(8, "VIDIOC_G_AUDIO unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_AUDIO: {
|
|
JOM(8, "VIDIOC_S_AUDIO unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_S_TUNER: {
|
|
JOM(8, "VIDIOC_S_TUNER unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_FBUF:
|
|
case VIDIOC_S_FBUF:
|
|
case VIDIOC_OVERLAY: {
|
|
JOM(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
case VIDIOC_G_TUNER: {
|
|
JOM(8, "VIDIOC_G_TUNER unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
case VIDIOC_G_FREQUENCY:
|
|
case VIDIOC_S_FREQUENCY: {
|
|
JOM(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n");
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -EINVAL;
|
|
}
|
|
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
default: {
|
|
JOM(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd);
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
return -ENOIOCTLCMD;
|
|
}
|
|
}
|
|
mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
|
|
JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd);
|
|
return 0;
|
|
}
|
|
/*****************************************************************************/
|