[staging-next 5/5] staging/easycap: add first level indentation to easycap_ioctl.c
Tomas Winkler
tomas.winkler at intel.com
Mon Feb 28 17:27:10 UTC 2011
Add the first level indentation to easycap_testcard.c with astyle -t8.
About 100 of 80 columns warnings were left out for further fix
Cc: Mike Thomas <rmthomas at sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
---
drivers/staging/easycap/easycap_ioctl.c | 4941 ++++++++++++++++---------------
1 files changed, 2479 insertions(+), 2462 deletions(-)
rewrite drivers/staging/easycap/easycap_ioctl.c (76%)
diff --git a/drivers/staging/easycap/easycap_ioctl.c b/drivers/staging/easycap/easycap_ioctl.c
dissimilarity index 76%
index d6d0b72..8d8d07f 100644
--- a/drivers/staging/easycap/easycap_ioctl.c
+++ b/drivers/staging/easycap/easycap_ioctl.c
@@ -1,2462 +1,2479 @@
-/******************************************************************************
-* *
-* easycap_ioctl.c *
-* *
-******************************************************************************/
-/*
- *
- * Copyright (C) 2010 R.M. Thomas <rmthomas at sciolus.org>
- *
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
-*/
-/*****************************************************************************/
-
-#include <linux/smp_lock.h>
-#include "easycap.h"
-
-/*--------------------------------------------------------------------------*/
-/*
- * UNLESS THERE IS A PREMATURE ERROR RETURN THIS ROUTINE UPDATES THE
- * FOLLOWING:
- * peasycap->standard_offset
- * peasycap->inputset[peasycap->input].standard_offset
- * peasycap->fps
- * peasycap->usec
- * peasycap->tolerate
- * peasycap->skip
- */
-/*---------------------------------------------------------------------------*/
-int adjust_standard(struct easycap *peasycap, v4l2_std_id std_id)
-{
-struct easycap_standard const *peasycap_standard;
-u16 reg, set;
-int ir, rc, need, k;
-unsigned int itwas, isnow;
-bool resubmit;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == peasycap->pusb_device) {
- SAM("ERROR: peasycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-peasycap_standard = &easycap_standard[0];
-while (0xFFFF != peasycap_standard->mask) {
- if (std_id == peasycap_standard->v4l2_standard.id)
- break;
- peasycap_standard++;
-}
-if (0xFFFF == peasycap_standard->mask) {
- peasycap_standard = &easycap_standard[0];
- while (0xFFFF != peasycap_standard->mask) {
- if (std_id & peasycap_standard->v4l2_standard.id)
- break;
- peasycap_standard++;
- }
-}
-if (0xFFFF == peasycap_standard->mask) {
- SAM("ERROR: 0x%08X=std_id: standard not found\n",
- (unsigned int)std_id);
- return -EINVAL;
-}
-SAM("selected standard: %s\n",
- &(peasycap_standard->v4l2_standard.name[0]));
-if (peasycap->standard_offset ==
- (int)(peasycap_standard - &easycap_standard[0])) {
- SAM("requested standard already in effect\n");
- return 0;
-}
-peasycap->standard_offset = (int)(peasycap_standard - &easycap_standard[0]);
-for (k = 0; k < INPUT_MANY; k++) {
- if (!peasycap->inputset[k].standard_offset_ok) {
- peasycap->inputset[k].standard_offset =
- peasycap->standard_offset;
- }
-}
-if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
- peasycap->inputset[peasycap->input].standard_offset =
- peasycap->standard_offset;
- peasycap->inputset[peasycap->input].standard_offset_ok = 1;
-} else
- JOM(8, "%i=peasycap->input\n", peasycap->input);
-peasycap->fps = peasycap_standard->v4l2_standard.frameperiod.denominator /
- peasycap_standard->v4l2_standard.frameperiod.numerator;
-switch (peasycap->fps) {
-case 6:
-case 30: {
- peasycap->ntsc = true;
- break;
-}
-case 5:
-case 25: {
- peasycap->ntsc = false;
- break;
-}
-default: {
- SAM("MISTAKE: %i=frames-per-second\n", peasycap->fps);
- return -ENOENT;
-}
-}
-JOM(8, "%i frames-per-second\n", peasycap->fps);
-if (0x8000 & peasycap_standard->mask) {
- peasycap->skip = 5;
- peasycap->usec = 1000000 / (2 * (5 * peasycap->fps));
- peasycap->tolerate = 1000 * (25 / (5 * peasycap->fps));
-} else {
- peasycap->skip = 0;
- peasycap->usec = 1000000 / (2 * peasycap->fps);
- peasycap->tolerate = 1000 * (25 / peasycap->fps);
-}
-if (peasycap->video_isoc_streaming) {
- resubmit = true;
- kill_video_urbs(peasycap);
-} else
- resubmit = false;
-/*--------------------------------------------------------------------------*/
-/*
- * SAA7113H DATASHEET PAGE 44, TABLE 42
- */
-/*--------------------------------------------------------------------------*/
-need = 0; itwas = 0; reg = 0x00; set = 0x00;
-switch (peasycap_standard->mask & 0x000F) {
-case NTSC_M_JP: {
- reg = 0x0A; set = 0x95;
- ir = read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
- else
- itwas = (unsigned int)ir;
- rc = write_saa(peasycap->pusb_device, reg, set);
- if (rc)
- SAM("ERROR: failed to set SAA register "
- "0x%02X to 0x%02X for JP standard\n", reg, set);
- else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed "
- "to 0x%02X\n", reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-
- reg = 0x0B; set = 0x48;
- ir = read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
- else
- itwas = (unsigned int)ir;
- rc = write_saa(peasycap->pusb_device, reg, set);
- if (rc)
- SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X "
- "for JP standard\n", reg, set);
- else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed "
- "to 0x%02X\n", reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-/*--------------------------------------------------------------------------*/
-/*
- * NOTE: NO break HERE: RUN ON TO NEXT CASE
- */
-/*--------------------------------------------------------------------------*/
-}
-case NTSC_M:
-case PAL_BGHIN: {
- reg = 0x0E; set = 0x01; need = 1; break;
-}
-case NTSC_N_443:
-case PAL_60: {
- reg = 0x0E; set = 0x11; need = 1; break;
-}
-case NTSC_443:
-case PAL_Nc: {
- reg = 0x0E; set = 0x21; need = 1; break;
-}
-case NTSC_N:
-case PAL_M: {
- reg = 0x0E; set = 0x31; need = 1; break;
-}
-case SECAM: {
- reg = 0x0E; set = 0x51; need = 1; break;
-}
-default:
- break;
-}
-/*--------------------------------------------------------------------------*/
-if (need) {
- ir = read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- SAM("ERROR: failed to read SAA register 0x%02X\n", reg);
- else
- itwas = (unsigned int)ir;
- rc = write_saa(peasycap->pusb_device, reg, set);
- if (0 != write_saa(peasycap->pusb_device, reg, set)) {
- SAM("ERROR: failed to set SAA register "
- "0x%02X to 0x%02X for table 42\n", reg, set);
- } else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed "
- "to 0x%02X\n", reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-}
-/*--------------------------------------------------------------------------*/
-/*
- * SAA7113H DATASHEET PAGE 41
- */
-/*--------------------------------------------------------------------------*/
-reg = 0x08;
-ir = read_saa(peasycap->pusb_device, reg);
-if (0 > ir)
- SAM("ERROR: failed to read SAA register 0x%02X "
- "so cannot reset\n", reg);
-else {
- itwas = (unsigned int)ir;
- if (peasycap_standard->mask & 0x0001)
- set = itwas | 0x40 ;
- else
- set = itwas & ~0x40 ;
- rc = write_saa(peasycap->pusb_device, reg, set);
- if (rc)
- SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
- reg, set);
- else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
- reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-}
-/*--------------------------------------------------------------------------*/
-/*
- * SAA7113H DATASHEET PAGE 51, TABLE 57
- */
-/*---------------------------------------------------------------------------*/
-reg = 0x40;
-ir = read_saa(peasycap->pusb_device, reg);
-if (0 > ir)
- SAM("ERROR: failed to read SAA register 0x%02X "
- "so cannot reset\n", reg);
-else {
- itwas = (unsigned int)ir;
- if (peasycap_standard->mask & 0x0001)
- set = itwas | 0x80 ;
- else
- set = itwas & ~0x80 ;
- rc = write_saa(peasycap->pusb_device, reg, set);
- if (rc)
- SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
- reg, set);
- else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
- reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-}
-/*--------------------------------------------------------------------------*/
-/*
- * SAA7113H DATASHEET PAGE 53, TABLE 66
- */
-/*--------------------------------------------------------------------------*/
-reg = 0x5A;
-ir = read_saa(peasycap->pusb_device, reg);
-if (0 > ir)
- SAM("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
- itwas = (unsigned int)ir;
- if (peasycap_standard->mask & 0x0001)
- set = 0x0A ;
- else
- set = 0x07 ;
- if (0 != write_saa(peasycap->pusb_device, reg, set))
- SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
- reg, set);
- else {
- isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
- if (0 > ir)
- JOM(8, "SAA register 0x%02X changed "
- "to 0x%02X\n", reg, isnow);
- else
- JOM(8, "SAA register 0x%02X changed "
- "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
- }
-if (true == resubmit)
- submit_video_urbs(peasycap);
-return 0;
-}
-/*****************************************************************************/
-/*--------------------------------------------------------------------------*/
-/*
- * THE ALGORITHM FOR RESPONDING TO THE VIDIO_S_FMT IOCTL REQUIRES
- * A VALID VALUE OF peasycap->standard_offset, OTHERWISE -EBUSY IS RETURNED.
- *
- * PROVIDED THE ARGUMENT try IS false AND THERE IS NO PREMATURE ERROR RETURN
- * THIS ROUTINE UPDATES THE FOLLOWING:
- * peasycap->format_offset
- * peasycap->inputset[peasycap->input].format_offset
- * peasycap->pixelformat
- * peasycap->height
- * peasycap->width
- * peasycap->bytesperpixel
- * peasycap->byteswaporder
- * peasycap->decimatepixel
- * peasycap->frame_buffer_used
- * peasycap->videofieldamount
- * peasycap->offerfields
- *
- * IF SUCCESSFUL THE FUNCTION RETURNS THE OFFSET IN easycap_format[]
- * IDENTIFYING THE FORMAT WHICH IS TO RETURNED TO THE USER.
- * ERRORS RETURN A NEGATIVE NUMBER.
- */
-/*--------------------------------------------------------------------------*/
-int adjust_format(struct easycap *peasycap,
- u32 width, u32 height, u32 pixelformat, int field, bool try)
-{
-struct easycap_format *peasycap_format, *peasycap_best_format;
-u16 mask;
-struct usb_device *p;
-int miss, multiplier, best, k;
-char bf[5], fo[32], *pc;
-u32 uc;
-bool resubmit;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (0 > peasycap->standard_offset) {
- JOM(8, "%i=peasycap->standard_offset\n", peasycap->standard_offset);
- return -EBUSY;
-}
-p = peasycap->pusb_device;
-if (NULL == p) {
- SAM("ERROR: peaycap->pusb_device is NULL\n");
- return -EFAULT;
-}
-pc = &bf[0];
-uc = pixelformat;
-memcpy((void *)pc, (void *)(&uc), 4);
-bf[4] = 0;
-mask = 0xFF & easycap_standard[peasycap->standard_offset].mask;
-SAM("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n",
- width, height, pc, pixelformat, field, mask);
-switch (field) {
-case V4L2_FIELD_ANY: {
- strcpy(&fo[0], "V4L2_FIELD_ANY ");
- break;
-}
-case V4L2_FIELD_NONE: {
- strcpy(&fo[0], "V4L2_FIELD_NONE");
- break;
-}
-case V4L2_FIELD_TOP: {
- strcpy(&fo[0], "V4L2_FIELD_TOP");
- break;
-}
-case V4L2_FIELD_BOTTOM: {
- strcpy(&fo[0], "V4L2_FIELD_BOTTOM");
- break;
-}
-case V4L2_FIELD_INTERLACED: {
- strcpy(&fo[0], "V4L2_FIELD_INTERLACED");
- break;
-}
-case V4L2_FIELD_SEQ_TB: {
- strcpy(&fo[0], "V4L2_FIELD_SEQ_TB");
- break;
-}
-case V4L2_FIELD_SEQ_BT: {
- strcpy(&fo[0], "V4L2_FIELD_SEQ_BT");
- break;
-}
-case V4L2_FIELD_ALTERNATE: {
- strcpy(&fo[0], "V4L2_FIELD_ALTERNATE");
- break;
-}
-case V4L2_FIELD_INTERLACED_TB: {
- strcpy(&fo[0], "V4L2_FIELD_INTERLACED_TB");
- break;
-}
-case V4L2_FIELD_INTERLACED_BT: {
- strcpy(&fo[0], "V4L2_FIELD_INTERLACED_BT");
- break;
-}
-default: {
- strcpy(&fo[0], "V4L2_FIELD_... UNKNOWN ");
- break;
-}
-}
-SAM("sought: %s\n", &fo[0]);
-if (V4L2_FIELD_ANY == field) {
- 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 (NULL == peasycap_best_format) {
- SAM("MISTAKE: peasycap_best_format is NULL");
- return -EINVAL;
-}
-peasycap_format = peasycap_best_format;
-
-/*...........................................................................*/
-if (true == try)
- return (int)(peasycap_best_format - &easycap_format[0]);
-/*...........................................................................*/
-
-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 = (int)(peasycap_format - &easycap_format[0]);
-
-
-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 (true == 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (true == resubmit)
- submit_video_urbs(peasycap);
-return (int)(peasycap_best_format - &easycap_format[0]);
-}
-/*****************************************************************************/
-int adjust_brightness(struct easycap *peasycap, int value)
-{
-unsigned int mood;
-int i1, k;
-
-if (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == peasycap) {
- SAY("ERROR: peasycap is NULL\n");
- return -EFAULT;
-}
-if (NULL == 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 (NULL == file) {
- SAY("ERROR: file is NULL\n");
- return -ERESTARTSYS;
-}
-peasycap = file->private_data;
-if (NULL == 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 (NULL == 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 (NULL == file) {
- SAY("ERROR: file is NULL\n");
- mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
- return -ERESTARTSYS;
- }
- peasycap = file->private_data;
- if (NULL == 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 (NULL == 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (true == 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 (0 != 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 (true == 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 (0 != 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 (true == 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (0 != 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 (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 (true == 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 (true == 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 (0 != 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 (NULL == 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 (NULL == 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 (NULL != 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 (0 != 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 (true == 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 (0 != 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;
-}
-/*****************************************************************************/
+/******************************************************************************
+* *
+* easycap_ioctl.c *
+* *
+******************************************************************************/
+/*
+ *
+ * Copyright (C) 2010 R.M. Thomas <rmthomas at sciolus.org>
+ *
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * The software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+*/
+/*****************************************************************************/
+
+#include <linux/smp_lock.h>
+#include "easycap.h"
+
+/*--------------------------------------------------------------------------*/
+/*
+ * UNLESS THERE IS A PREMATURE ERROR RETURN THIS ROUTINE UPDATES THE
+ * FOLLOWING:
+ * peasycap->standard_offset
+ * peasycap->inputset[peasycap->input].standard_offset
+ * peasycap->fps
+ * peasycap->usec
+ * peasycap->tolerate
+ * peasycap->skip
+ */
+/*---------------------------------------------------------------------------*/
+int adjust_standard(struct easycap *peasycap, v4l2_std_id std_id)
+{
+ struct easycap_standard const *peasycap_standard;
+ u16 reg, set;
+ int ir, rc, need, k;
+ unsigned int itwas, isnow;
+ bool resubmit;
+
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == peasycap->pusb_device) {
+ SAM("ERROR: peasycap->pusb_device is NULL\n");
+ return -EFAULT;
+ }
+ peasycap_standard = &easycap_standard[0];
+ while (0xFFFF != peasycap_standard->mask) {
+ if (std_id == peasycap_standard->v4l2_standard.id)
+ break;
+ peasycap_standard++;
+ }
+ if (0xFFFF == peasycap_standard->mask) {
+ peasycap_standard = &easycap_standard[0];
+ while (0xFFFF != peasycap_standard->mask) {
+ if (std_id & peasycap_standard->v4l2_standard.id)
+ break;
+ peasycap_standard++;
+ }
+ }
+ if (0xFFFF == peasycap_standard->mask) {
+ SAM("ERROR: 0x%08X=std_id: standard not found\n",
+ (unsigned int)std_id);
+ return -EINVAL;
+ }
+ SAM("selected standard: %s\n",
+ &(peasycap_standard->v4l2_standard.name[0]));
+ if (peasycap->standard_offset == peasycap_standard - easycap_standard) {
+ SAM("requested standard already in effect\n");
+ return 0;
+ }
+ peasycap->standard_offset = peasycap_standard - easycap_standard;
+ for (k = 0; k < INPUT_MANY; k++) {
+ if (!peasycap->inputset[k].standard_offset_ok) {
+ peasycap->inputset[k].standard_offset =
+ peasycap->standard_offset;
+ }
+ }
+ if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) {
+ peasycap->inputset[peasycap->input].standard_offset =
+ peasycap->standard_offset;
+ peasycap->inputset[peasycap->input].standard_offset_ok = 1;
+ } else
+ JOM(8, "%i=peasycap->input\n", peasycap->input);
+
+ peasycap->fps = peasycap_standard->v4l2_standard.frameperiod.denominator /
+ peasycap_standard->v4l2_standard.frameperiod.numerator;
+ switch (peasycap->fps) {
+ case 6:
+ case 30: {
+ peasycap->ntsc = true;
+ break;
+ }
+ case 5:
+ case 25: {
+ peasycap->ntsc = false;
+ break;
+ }
+ default: {
+ SAM("MISTAKE: %i=frames-per-second\n", peasycap->fps);
+ return -ENOENT;
+ }
+ }
+ JOM(8, "%i frames-per-second\n", peasycap->fps);
+ if (0x8000 & peasycap_standard->mask) {
+ peasycap->skip = 5;
+ peasycap->usec = 1000000 / (2 * (5 * peasycap->fps));
+ peasycap->tolerate = 1000 * (25 / (5 * peasycap->fps));
+ } else {
+ peasycap->skip = 0;
+ peasycap->usec = 1000000 / (2 * peasycap->fps);
+ peasycap->tolerate = 1000 * (25 / peasycap->fps);
+ }
+ if (peasycap->video_isoc_streaming) {
+ resubmit = true;
+ kill_video_urbs(peasycap);
+ } else
+ resubmit = false;
+/*--------------------------------------------------------------------------*/
+/*
+ * SAA7113H DATASHEET PAGE 44, TABLE 42
+ */
+/*--------------------------------------------------------------------------*/
+ need = 0;
+ itwas = 0;
+ reg = 0x00;
+ set = 0x00;
+ switch (peasycap_standard->mask & 0x000F) {
+ case NTSC_M_JP: {
+ reg = 0x0A;
+ set = 0x95;
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
+ else
+ itwas = (unsigned int)ir;
+ rc = write_saa(peasycap->pusb_device, reg, set);
+ if (rc)
+ SAM("ERROR: failed to set SAA register "
+ "0x%02X to 0x%02X for JP standard\n", reg, set);
+ else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed "
+ "to 0x%02X\n", reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+
+ reg = 0x0B;
+ set = 0x48;
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
+ else
+ itwas = (unsigned int)ir;
+ rc = write_saa(peasycap->pusb_device, reg, set);
+ if (rc)
+ SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X "
+ "for JP standard\n", reg, set);
+ else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed "
+ "to 0x%02X\n", reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+/*--------------------------------------------------------------------------*/
+/*
+ * NOTE: NO break HERE: RUN ON TO NEXT CASE
+ */
+/*--------------------------------------------------------------------------*/
+ }
+ case NTSC_M:
+ case PAL_BGHIN: {
+ reg = 0x0E;
+ set = 0x01;
+ need = 1;
+ break;
+ }
+ case NTSC_N_443:
+ case PAL_60: {
+ reg = 0x0E;
+ set = 0x11;
+ need = 1;
+ break;
+ }
+ case NTSC_443:
+ case PAL_Nc: {
+ reg = 0x0E;
+ set = 0x21;
+ need = 1;
+ break;
+ }
+ case NTSC_N:
+ case PAL_M: {
+ reg = 0x0E;
+ set = 0x31;
+ need = 1;
+ break;
+ }
+ case SECAM: {
+ reg = 0x0E;
+ set = 0x51;
+ need = 1;
+ break;
+ }
+ default:
+ break;
+ }
+/*--------------------------------------------------------------------------*/
+ if (need) {
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: failed to read SAA register 0x%02X\n", reg);
+ else
+ itwas = (unsigned int)ir;
+ rc = write_saa(peasycap->pusb_device, reg, set);
+ if (0 != write_saa(peasycap->pusb_device, reg, set)) {
+ SAM("ERROR: failed to set SAA register "
+ "0x%02X to 0x%02X for table 42\n", reg, set);
+ } else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed "
+ "to 0x%02X\n", reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+ }
+/*--------------------------------------------------------------------------*/
+/*
+ * SAA7113H DATASHEET PAGE 41
+ */
+/*--------------------------------------------------------------------------*/
+ reg = 0x08;
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: failed to read SAA register 0x%02X "
+ "so cannot reset\n", reg);
+ else {
+ itwas = (unsigned int)ir;
+ if (peasycap_standard->mask & 0x0001)
+ set = itwas | 0x40 ;
+ else
+ set = itwas & ~0x40 ;
+ rc = write_saa(peasycap->pusb_device, reg, set);
+ if (rc)
+ SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
+ reg, set);
+ else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
+ reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+ }
+/*--------------------------------------------------------------------------*/
+/*
+ * SAA7113H DATASHEET PAGE 51, TABLE 57
+ */
+/*---------------------------------------------------------------------------*/
+ reg = 0x40;
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: failed to read SAA register 0x%02X "
+ "so cannot reset\n", reg);
+ else {
+ itwas = (unsigned int)ir;
+ if (peasycap_standard->mask & 0x0001)
+ set = itwas | 0x80 ;
+ else
+ set = itwas & ~0x80 ;
+ rc = write_saa(peasycap->pusb_device, reg, set);
+ if (rc)
+ SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
+ reg, set);
+ else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed to 0x%02X\n",
+ reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+ }
+/*--------------------------------------------------------------------------*/
+/*
+ * SAA7113H DATASHEET PAGE 53, TABLE 66
+ */
+/*--------------------------------------------------------------------------*/
+ reg = 0x5A;
+ ir = read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ SAM("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
+ itwas = (unsigned int)ir;
+ if (peasycap_standard->mask & 0x0001)
+ set = 0x0A ;
+ else
+ set = 0x07 ;
+ if (0 != write_saa(peasycap->pusb_device, reg, set))
+ SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n",
+ reg, set);
+ else {
+ isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
+ if (0 > ir)
+ JOM(8, "SAA register 0x%02X changed "
+ "to 0x%02X\n", reg, isnow);
+ else
+ JOM(8, "SAA register 0x%02X changed "
+ "from 0x%02X to 0x%02X\n", reg, itwas, isnow);
+ }
+ if (true == resubmit)
+ submit_video_urbs(peasycap);
+ return 0;
+}
+/*****************************************************************************/
+/*--------------------------------------------------------------------------*/
+/*
+ * THE ALGORITHM FOR RESPONDING TO THE VIDIO_S_FMT IOCTL REQUIRES
+ * A VALID VALUE OF peasycap->standard_offset, OTHERWISE -EBUSY IS RETURNED.
+ *
+ * PROVIDED THE ARGUMENT try IS false AND THERE IS NO PREMATURE ERROR RETURN
+ * THIS ROUTINE UPDATES THE FOLLOWING:
+ * peasycap->format_offset
+ * peasycap->inputset[peasycap->input].format_offset
+ * peasycap->pixelformat
+ * peasycap->height
+ * peasycap->width
+ * peasycap->bytesperpixel
+ * peasycap->byteswaporder
+ * peasycap->decimatepixel
+ * peasycap->frame_buffer_used
+ * peasycap->videofieldamount
+ * peasycap->offerfields
+ *
+ * IF SUCCESSFUL THE FUNCTION RETURNS THE OFFSET IN easycap_format[]
+ * IDENTIFYING THE FORMAT WHICH IS TO RETURNED TO THE USER.
+ * ERRORS RETURN A NEGATIVE NUMBER.
+ */
+/*--------------------------------------------------------------------------*/
+int adjust_format(struct easycap *peasycap,
+ u32 width, u32 height, u32 pixelformat, int field, bool try)
+{
+ struct easycap_format *peasycap_format, *peasycap_best_format;
+ u16 mask;
+ struct usb_device *p;
+ int miss, multiplier, best, k;
+ char bf[5], fo[32], *pc;
+ u32 uc;
+ bool resubmit;
+
+ if (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (0 > peasycap->standard_offset) {
+ JOM(8, "%i=peasycap->standard_offset\n", peasycap->standard_offset);
+ return -EBUSY;
+ }
+ p = peasycap->pusb_device;
+ if (NULL == p) {
+ SAM("ERROR: peaycap->pusb_device is NULL\n");
+ return -EFAULT;
+ }
+ pc = &bf[0];
+ uc = pixelformat;
+ memcpy((void *)pc, (void *)(&uc), 4);
+ bf[4] = 0;
+ mask = 0xFF & easycap_standard[peasycap->standard_offset].mask;
+ SAM("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n",
+ width, height, pc, pixelformat, field, mask);
+ switch (field) {
+ case V4L2_FIELD_ANY: {
+ strcpy(&fo[0], "V4L2_FIELD_ANY ");
+ break;
+ }
+ case V4L2_FIELD_NONE: {
+ strcpy(&fo[0], "V4L2_FIELD_NONE");
+ break;
+ }
+ case V4L2_FIELD_TOP: {
+ strcpy(&fo[0], "V4L2_FIELD_TOP");
+ break;
+ }
+ case V4L2_FIELD_BOTTOM: {
+ strcpy(&fo[0], "V4L2_FIELD_BOTTOM");
+ break;
+ }
+ case V4L2_FIELD_INTERLACED: {
+ strcpy(&fo[0], "V4L2_FIELD_INTERLACED");
+ break;
+ }
+ case V4L2_FIELD_SEQ_TB: {
+ strcpy(&fo[0], "V4L2_FIELD_SEQ_TB");
+ break;
+ }
+ case V4L2_FIELD_SEQ_BT: {
+ strcpy(&fo[0], "V4L2_FIELD_SEQ_BT");
+ break;
+ }
+ case V4L2_FIELD_ALTERNATE: {
+ strcpy(&fo[0], "V4L2_FIELD_ALTERNATE");
+ break;
+ }
+ case V4L2_FIELD_INTERLACED_TB: {
+ strcpy(&fo[0], "V4L2_FIELD_INTERLACED_TB");
+ break;
+ }
+ case V4L2_FIELD_INTERLACED_BT: {
+ strcpy(&fo[0], "V4L2_FIELD_INTERLACED_BT");
+ break;
+ }
+ default: {
+ strcpy(&fo[0], "V4L2_FIELD_... UNKNOWN ");
+ break;
+ }
+ }
+ SAM("sought: %s\n", &fo[0]);
+ if (V4L2_FIELD_ANY == field) {
+ 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 (NULL == 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 (true == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == peasycap) {
+ SAY("ERROR: peasycap is NULL\n");
+ return -EFAULT;
+ }
+ if (NULL == 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 (NULL == file) {
+ SAY("ERROR: file is NULL\n");
+ return -ERESTARTSYS;
+ }
+ peasycap = file->private_data;
+ if (NULL == 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 (NULL == 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 (NULL == file) {
+ SAY("ERROR: file is NULL\n");
+ mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
+ return -ERESTARTSYS;
+ }
+ peasycap = file->private_data;
+ if (NULL == 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 (NULL == 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 (true == 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 (true == 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 (true == 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 (true == 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 (NULL == 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 (NULL == 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 (NULL != 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 (true == 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;
+}
+/*****************************************************************************/
--
1.7.4
---------------------------------------------------------------------
Intel Israel (74) Limited
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