diff options
Diffstat (limited to 'drivers/staging/media/easycap/easycap_ioctl.c')
| -rw-r--r-- | drivers/staging/media/easycap/easycap_ioctl.c | 2443 |
1 files changed, 0 insertions, 2443 deletions
diff --git a/drivers/staging/media/easycap/easycap_ioctl.c b/drivers/staging/media/easycap/easycap_ioctl.c deleted file mode 100644 index 3cee3cd986d2..000000000000 --- a/drivers/staging/media/easycap/easycap_ioctl.c +++ /dev/null @@ -1,2443 +0,0 @@ -/****************************************************************************** -* * -* easycap_ioctl.c * -* * -******************************************************************************/ -/* - * - * Copyright (C) 2010 R.M. Thomas <rmthomas@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 "easycap.h" -#include <linux/version.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 (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!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; - easycap_video_kill_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 (resubmit) - easycap_video_submit_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 (!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 (!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 (!peasycap_best_format) { - SAM("MISTAKE: peasycap_best_format is NULL"); - return -EINVAL; - } - peasycap_format = peasycap_best_format; - -/*...........................................................................*/ - if (try) - return peasycap_best_format - easycap_format; -/*...........................................................................*/ - - if (false != try) { - SAM("MISTAKE: true==try where is should be false\n"); - return -EINVAL; - } - SAM("actioning: %ix%i %s\n", - peasycap_format->v4l2_format.fmt.pix.width, - peasycap_format->v4l2_format.fmt.pix.height, - &peasycap_format->name[0]); - peasycap->height = peasycap_format->v4l2_format.fmt.pix.height; - peasycap->width = peasycap_format->v4l2_format.fmt.pix.width; - peasycap->pixelformat = peasycap_format->v4l2_format.fmt.pix.pixelformat; - peasycap->format_offset = peasycap_format - easycap_format; - - - for (k = 0; k < INPUT_MANY; k++) { - if (!peasycap->inputset[k].format_offset_ok) { - peasycap->inputset[k].format_offset = - peasycap->format_offset; - } - } - if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) { - peasycap->inputset[peasycap->input].format_offset = - peasycap->format_offset; - peasycap->inputset[peasycap->input].format_offset_ok = 1; - } else - JOM(8, "%i=peasycap->input\n", peasycap->input); - - - - peasycap->bytesperpixel = (0x00E0 & peasycap_format->mask) >> 5 ; - if (0x0100 & peasycap_format->mask) - peasycap->byteswaporder = true; - else - peasycap->byteswaporder = false; - if (0x0200 & peasycap_format->mask) - peasycap->skip = 5; - else - peasycap->skip = 0; - if (0x0800 & peasycap_format->mask) - peasycap->decimatepixel = true; - else - peasycap->decimatepixel = false; - if (0x1000 & peasycap_format->mask) - peasycap->offerfields = true; - else - peasycap->offerfields = false; - if (peasycap->decimatepixel) - multiplier = 2; - else - multiplier = 1; - peasycap->videofieldamount = - multiplier * peasycap->width * multiplier * peasycap->height; - peasycap->frame_buffer_used = - peasycap->bytesperpixel * peasycap->width * peasycap->height; - if (peasycap->video_isoc_streaming) { - resubmit = true; - easycap_video_kill_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) - easycap_video_submit_urbs(peasycap); - - return peasycap_best_format - easycap_format; -} -/*****************************************************************************/ -int adjust_brightness(struct easycap *peasycap, int value) -{ - unsigned int mood; - int i1, k; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_BRIGHTNESS == easycap_control[i1].id) { - if ((easycap_control[i1].minimum > value) || - (easycap_control[i1].maximum < value)) - value = easycap_control[i1].default_value; - - if ((easycap_control[i1].minimum <= peasycap->brightness) && - (easycap_control[i1].maximum >= peasycap->brightness)) { - if (peasycap->brightness == value) { - SAM("unchanged brightness at 0x%02X\n", - value); - return 0; - } - } - peasycap->brightness = value; - for (k = 0; k < INPUT_MANY; k++) { - if (!peasycap->inputset[k].brightness_ok) - peasycap->inputset[k].brightness = - peasycap->brightness; - } - if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) { - peasycap->inputset[peasycap->input].brightness = - peasycap->brightness; - peasycap->inputset[peasycap->input].brightness_ok = 1; - } else - JOM(8, "%i=peasycap->input\n", peasycap->input); - - mood = 0x00FF & (unsigned int)peasycap->brightness; - if (write_saa(peasycap->pusb_device, 0x0A, mood)) { - SAM("WARNING: failed to adjust brightness " - "to 0x%02X\n", mood); - return -ENOENT; - } - SAM("adjusting brightness to 0x%02X\n", mood); - return 0; - } - i1++; - } - SAM("WARNING: failed to adjust brightness: control not found\n"); - return -ENOENT; -} -/*****************************************************************************/ -int adjust_contrast(struct easycap *peasycap, int value) -{ - unsigned int mood; - int i1, k; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_CONTRAST == easycap_control[i1].id) { - if ((easycap_control[i1].minimum > value) || - (easycap_control[i1].maximum < value)) - value = easycap_control[i1].default_value; - - - if ((easycap_control[i1].minimum <= peasycap->contrast) && - (easycap_control[i1].maximum >= peasycap->contrast)) { - if (peasycap->contrast == value) { - SAM("unchanged contrast at 0x%02X\n", value); - return 0; - } - } - peasycap->contrast = value; - for (k = 0; k < INPUT_MANY; k++) { - if (!peasycap->inputset[k].contrast_ok) - peasycap->inputset[k].contrast = peasycap->contrast; - } - - if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) { - peasycap->inputset[peasycap->input].contrast = - peasycap->contrast; - peasycap->inputset[peasycap->input].contrast_ok = 1; - } else - JOM(8, "%i=peasycap->input\n", peasycap->input); - - mood = 0x00FF & (unsigned int) (peasycap->contrast - 128); - if (write_saa(peasycap->pusb_device, 0x0B, mood)) { - SAM("WARNING: failed to adjust contrast to " - "0x%02X\n", mood); - return -ENOENT; - } - SAM("adjusting contrast to 0x%02X\n", mood); - return 0; - } - i1++; - } - SAM("WARNING: failed to adjust contrast: control not found\n"); - return -ENOENT; -} -/*****************************************************************************/ -int adjust_saturation(struct easycap *peasycap, int value) -{ - unsigned int mood; - int i1, k; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_SATURATION == easycap_control[i1].id) { - if ((easycap_control[i1].minimum > value) || - (easycap_control[i1].maximum < value)) - value = easycap_control[i1].default_value; - - - if ((easycap_control[i1].minimum <= peasycap->saturation) && - (easycap_control[i1].maximum >= peasycap->saturation)) { - if (peasycap->saturation == value) { - SAM("unchanged saturation at 0x%02X\n", - value); - return 0; - } - } - peasycap->saturation = value; - for (k = 0; k < INPUT_MANY; k++) { - if (!peasycap->inputset[k].saturation_ok) - peasycap->inputset[k].saturation = - peasycap->saturation; - } - if ((0 <= peasycap->input) && (INPUT_MANY > peasycap->input)) { - peasycap->inputset[peasycap->input].saturation = - peasycap->saturation; - peasycap->inputset[peasycap->input].saturation_ok = 1; - } else - JOM(8, "%i=peasycap->input\n", peasycap->input); - mood = 0x00FF & (unsigned int) (peasycap->saturation - 128); - if (write_saa(peasycap->pusb_device, 0x0C, mood)) { - SAM("WARNING: failed to adjust saturation to " - "0x%02X\n", mood); - return -ENOENT; - } - SAM("adjusting saturation to 0x%02X\n", mood); - return 0; - break; - } - i1++; - } - SAM("WARNING: failed to adjust saturation: control not found\n"); - return -ENOENT; -} -/*****************************************************************************/ -int adjust_hue(struct easycap *peasycap, int value) -{ - unsigned int mood; - int i1, i2, k; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_HUE == easycap_control[i1].id) { - if ((easycap_control[i1].minimum > value) || - (easycap_control[i1].maximum < value)) - value = easycap_control[i1].default_value; - - if ((easycap_control[i1].minimum <= peasycap->hue) && - (easycap_control[i1].maximum >= peasycap->hue)) { - if (peasycap->hue == value) { - SAM("unchanged hue at 0x%02X\n", value); - return 0; - } - } - peasycap->hue = value; - for (k = 0; k < INPUT_MANY; k++) { - if (!peasycap->inputset[k].hue_ok) - peasycap->inputset[k].hue = peasycap->hue; - } - if (0 <= peasycap->input && INPUT_MANY > peasycap->input) { - peasycap->inputset[peasycap->input].hue = peasycap->hue; - peasycap->inputset[peasycap->input].hue_ok = 1; - } else - JOM(8, "%i=peasycap->input\n", peasycap->input); - i2 = peasycap->hue - 128; - mood = 0x00FF & ((int) i2); - if (write_saa(peasycap->pusb_device, 0x0D, mood)) { - SAM("WARNING: failed to adjust hue to 0x%02X\n", mood); - return -ENOENT; - } - SAM("adjusting hue to 0x%02X\n", mood); - return 0; - break; - } - i1++; - } - SAM("WARNING: failed to adjust hue: control not found\n"); - return -ENOENT; -} -/*****************************************************************************/ -static int adjust_volume(struct easycap *peasycap, int value) -{ - s8 mood; - int i1; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_AUDIO_VOLUME == easycap_control[i1].id) { - if ((easycap_control[i1].minimum > value) || - (easycap_control[i1].maximum < value)) - value = easycap_control[i1].default_value; - - if ((easycap_control[i1].minimum <= peasycap->volume) && - (easycap_control[i1].maximum >= peasycap->volume)) { - if (peasycap->volume == value) { - SAM("unchanged volume at 0x%02X\n", value); - return 0; - } - } - peasycap->volume = value; - mood = (16 > peasycap->volume) ? 16 : - ((31 < peasycap->volume) ? 31 : - (s8) peasycap->volume); - if (!easycap_audio_gainset(peasycap->pusb_device, mood)) { - SAM("WARNING: failed to adjust volume to " - "0x%2X\n", mood); - return -ENOENT; - } - SAM("adjusting volume to 0x%02X\n", mood); - return 0; - } - i1++; - } - SAM("WARNING: failed to adjust volume: control not found\n"); - return -ENOENT; -} -/*****************************************************************************/ -/*---------------------------------------------------------------------------*/ -/* - * AN ALTERNATIVE METHOD OF MUTING MIGHT SEEM TO BE: - * usb_set_interface(peasycap->pusb_device, - * peasycap->audio_interface, - * peasycap->audio_altsetting_off); - * HOWEVER, AFTER THIS COMMAND IS ISSUED ALL SUBSEQUENT URBS RECEIVE STATUS - * -ESHUTDOWN. THE HANDLER ROUTINE easyxxx_complete() DECLINES TO RESUBMIT - * THE URB AND THE PIPELINE COLLAPSES IRRETRIEVABLY. BEWARE. - */ -/*---------------------------------------------------------------------------*/ -static int adjust_mute(struct easycap *peasycap, int value) -{ - int i1; - - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; - } - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - i1 = 0; - while (0xFFFFFFFF != easycap_control[i1].id) { - if (V4L2_CID_AUDIO_MUTE == easycap_control[i1].id) { - peasycap->mute = value; - switch (peasycap->mute) { - case 1: { - peasycap->audio_idle = 1; - SAM("adjusting mute: %i=peasycap->audio_idle\n", - peasycap->audio_idle); - return 0; - } - default: { - peasycap->audio_idle = 0; - SAM("adjusting mute: %i=peasycap->audio_idle\n", - peasycap->audio_idle); - return 0; - } - } - break; - } - i1++; - } - SAM("WARNING: failed to adjust mute: control not found\n"); - return -ENOENT; -} -/*---------------------------------------------------------------------------*/ -long easycap_unlocked_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct easycap *peasycap; - struct usb_device *p; - int kd; - - if (!file) { - SAY("ERROR: file is NULL\n"); - return -ERESTARTSYS; - } - peasycap = file->private_data; - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -1; - } - p = peasycap->pusb_device; - if (!p) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; - } - kd = easycap_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 != easycap_isdongle(peasycap)) - return -ERESTARTSYS; - if (!file) { - SAY("ERROR: file is NULL\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ERESTARTSYS; - } - peasycap = file->private_data; - if (!peasycap) { - SAY("ERROR: peasycap is NULL\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ERESTARTSYS; - } - if (!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 = easycap_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 = memdup_user((void __user *)arg, - sizeof(struct v4l2_control)); - if (IS_ERR(pv4l2_control)) { - SAM("ERROR: copy from user failed\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return PTR_ERR(pv4l2_control); - } - - switch (pv4l2_control->id) { - case V4L2_CID_BRIGHTNESS: { - pv4l2_control->value = peasycap->brightness; - JOM(8, "user enquires brightness: %i\n", pv4l2_control->value); - break; - } - case V4L2_CID_CONTRAST: { - pv4l2_control->value = peasycap->contrast; - JOM(8, "user enquires contrast: %i\n", pv4l2_control->value); - break; - } - case V4L2_CID_SATURATION: { - pv4l2_control->value = peasycap->saturation; - JOM(8, "user enquires saturation: %i\n", pv4l2_control->value); - break; - } - case V4L2_CID_HUE: { - pv4l2_control->value = peasycap->hue; - JOM(8, "user enquires hue: %i\n", pv4l2_control->value); - break; - } - case V4L2_CID_AUDIO_VOLUME: { - pv4l2_control->value = peasycap->volume; - JOM(8, "user enquires volume: %i\n", pv4l2_control->value); - break; - } - case V4L2_CID_AUDIO_MUTE: { - if (1 == peasycap->mute) - pv4l2_control->value = true; - else - pv4l2_control->value = false; - JOM(8, "user enquires mute: %i\n", pv4l2_control->value); - break; - } - default: { - SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", - pv4l2_control->id); - kfree(pv4l2_control); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - if (copy_to_user((void __user *)arg, pv4l2_control, - sizeof(struct v4l2_control))) { - kfree(pv4l2_control); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - kfree(pv4l2_control); - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_CTRL: { - struct v4l2_control v4l2_control; - - JOM(8, "VIDIOC_S_CTRL\n"); - - if (0 != copy_from_user(&v4l2_control, (void __user *)arg, - sizeof(struct v4l2_control))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - switch (v4l2_control.id) { - case V4L2_CID_BRIGHTNESS: { - JOM(8, "user requests brightness %i\n", v4l2_control.value); - if (0 != adjust_brightness(peasycap, v4l2_control.value)) - ; - break; - } - case V4L2_CID_CONTRAST: { - JOM(8, "user requests contrast %i\n", v4l2_control.value); - if (0 != adjust_contrast(peasycap, v4l2_control.value)) - ; - break; - } - case V4L2_CID_SATURATION: { - JOM(8, "user requests saturation %i\n", v4l2_control.value); - if (0 != adjust_saturation(peasycap, v4l2_control.value)) - ; - break; - } - case V4L2_CID_HUE: { - JOM(8, "user requests hue %i\n", v4l2_control.value); - if (0 != adjust_hue(peasycap, v4l2_control.value)) - ; - break; - } - case V4L2_CID_AUDIO_VOLUME: { - JOM(8, "user requests volume %i\n", v4l2_control.value); - if (0 != adjust_volume(peasycap, v4l2_control.value)) - ; - break; - } - case V4L2_CID_AUDIO_MUTE: { - int mute; - - JOM(8, "user requests mute %i\n", v4l2_control.value); - if (v4l2_control.value) - mute = 1; - else - mute = 0; - - if (0 != adjust_mute(peasycap, mute)) - SAM("WARNING: failed to adjust mute to %i\n", mute); - break; - } - default: { - SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", - v4l2_control.id); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_EXT_CTRLS: { - JOM(8, "VIDIOC_S_EXT_CTRLS unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_ENUM_FMT: { - u32 index; - struct v4l2_fmtdesc v4l2_fmtdesc; - - JOM(8, "VIDIOC_ENUM_FMT\n"); - - if (0 != copy_from_user(&v4l2_fmtdesc, (void __user *)arg, - sizeof(struct v4l2_fmtdesc))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - index = v4l2_fmtdesc.index; - memset(&v4l2_fmtdesc, 0, sizeof(struct v4l2_fmtdesc)); - - v4l2_fmtdesc.index = index; - v4l2_fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - - switch (index) { - case 0: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "uyvy"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_UYVY; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - case 1: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "yuy2"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_YUYV; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - case 2: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "rgb24"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB24; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - case 3: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "rgb32"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB32; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - case 4: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "bgr24"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR24; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - case 5: { - v4l2_fmtdesc.flags = 0; - strcpy(&v4l2_fmtdesc.description[0], "bgr32"); - v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR32; - JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]); - break; - } - default: { - JOM(8, "%i=index: exhausts formats\n", index); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - if (copy_to_user((void __user *)arg, &v4l2_fmtdesc, - sizeof(struct v4l2_fmtdesc))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ -/* - * THE RESPONSE TO VIDIOC_ENUM_FRAMESIZES MUST BE CONDITIONED ON THE - * THE CURRENT STANDARD, BECAUSE THAT IS WHAT gstreamer EXPECTS. BEWARE. - */ -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_ENUM_FRAMESIZES: { - u32 index; - struct v4l2_frmsizeenum v4l2_frmsizeenum; - - JOM(8, "VIDIOC_ENUM_FRAMESIZES\n"); - - if (0 != copy_from_user(&v4l2_frmsizeenum, (void __user *)arg, - sizeof(struct v4l2_frmsizeenum))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - index = v4l2_frmsizeenum.index; - - v4l2_frmsizeenum.type = (u32) V4L2_FRMSIZE_TYPE_DISCRETE; - - if (peasycap->ntsc) { - switch (index) { - case 0: { - v4l2_frmsizeenum.discrete.width = 640; - v4l2_frmsizeenum.discrete.height = 480; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 1: { - v4l2_frmsizeenum.discrete.width = 320; - v4l2_frmsizeenum.discrete.height = 240; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 2: { - v4l2_frmsizeenum.discrete.width = 720; - v4l2_frmsizeenum.discrete.height = 480; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 3: { - v4l2_frmsizeenum.discrete.width = 360; - v4l2_frmsizeenum.discrete.height = 240; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - default: { - JOM(8, "%i=index: exhausts framesizes\n", index); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - } else { - switch (index) { - case 0: { - v4l2_frmsizeenum.discrete.width = 640; - v4l2_frmsizeenum.discrete.height = 480; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 1: { - v4l2_frmsizeenum.discrete.width = 320; - v4l2_frmsizeenum.discrete.height = 240; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 2: { - v4l2_frmsizeenum.discrete.width = 704; - v4l2_frmsizeenum.discrete.height = 576; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 3: { - v4l2_frmsizeenum.discrete.width = 720; - v4l2_frmsizeenum.discrete.height = 576; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - case 4: { - v4l2_frmsizeenum.discrete.width = 360; - v4l2_frmsizeenum.discrete.height = 288; - JOM(8, "%i=index: %ix%i\n", index, - (int)(v4l2_frmsizeenum. - discrete.width), - (int)(v4l2_frmsizeenum. - discrete.height)); - break; - } - default: { - JOM(8, "%i=index: exhausts framesizes\n", index); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - } - if (copy_to_user((void __user *)arg, &v4l2_frmsizeenum, - sizeof(struct v4l2_frmsizeenum))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ -/* - * THE RESPONSE TO VIDIOC_ENUM_FRAMEINTERVALS MUST BE CONDITIONED ON THE - * THE CURRENT STANDARD, BECAUSE THAT IS WHAT gstreamer EXPECTS. BEWARE. - */ -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_ENUM_FRAMEINTERVALS: { - u32 index; - int denominator; - struct v4l2_frmivalenum v4l2_frmivalenum; - - JOM(8, "VIDIOC_ENUM_FRAMEINTERVALS\n"); - - if (peasycap->fps) - denominator = peasycap->fps; - else { - if (peasycap->ntsc) - denominator = 30; - else - denominator = 25; - } - - if (0 != copy_from_user(&v4l2_frmivalenum, (void __user *)arg, - sizeof(struct v4l2_frmivalenum))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - index = v4l2_frmivalenum.index; - - v4l2_frmivalenum.type = (u32) V4L2_FRMIVAL_TYPE_DISCRETE; - - switch (index) { - case 0: { - v4l2_frmivalenum.discrete.numerator = 1; - v4l2_frmivalenum.discrete.denominator = denominator; - JOM(8, "%i=index: %i/%i\n", index, - (int)(v4l2_frmivalenum.discrete.numerator), - (int)(v4l2_frmivalenum.discrete.denominator)); - break; - } - case 1: { - v4l2_frmivalenum.discrete.numerator = 1; - v4l2_frmivalenum.discrete.denominator = denominator/5; - JOM(8, "%i=index: %i/%i\n", index, - (int)(v4l2_frmivalenum.discrete.numerator), - (int)(v4l2_frmivalenum.discrete.denominator)); - break; - } - default: { - JOM(8, "%i=index: exhausts frameintervals\n", index); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - } - if (copy_to_user((void __user *)arg, &v4l2_frmivalenum, - sizeof(struct v4l2_frmivalenum))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_FMT: { - struct v4l2_format *pv4l2_format; - struct v4l2_pix_format *pv4l2_pix_format; - - JOM(8, "VIDIOC_G_FMT\n"); - pv4l2_format = kzalloc(sizeof(struct v4l2_format), GFP_KERNEL); - if (!pv4l2_format) { - SAM("ERROR: out of memory\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ENOMEM; - } - pv4l2_pix_format = kzalloc(sizeof(struct v4l2_pix_format), GFP_KERNEL); - if (!pv4l2_pix_format) { - SAM("ERROR: out of memory\n"); - kfree(pv4l2_format); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ENOMEM; - } - if (0 != copy_from_user(pv4l2_format, (void __user *)arg, - sizeof(struct v4l2_format))) { - kfree(pv4l2_format); - kfree(pv4l2_pix_format); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (pv4l2_format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - kfree(pv4l2_format); - kfree(pv4l2_pix_format); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - - memset(pv4l2_pix_format, 0, sizeof(struct v4l2_pix_format)); - pv4l2_format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - memcpy(&pv4l2_format->fmt.pix, - &easycap_format[peasycap->format_offset] - .v4l2_format.fmt.pix, sizeof(struct v4l2_pix_format)); - JOM(8, "user is told: %s\n", - &easycap_format[peasycap->format_offset].name[0]); - - if (copy_to_user((void __user *)arg, pv4l2_format, - sizeof(struct v4l2_format))) { - kfree(pv4l2_format); - kfree(pv4l2_pix_format); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - kfree(pv4l2_format); - kfree(pv4l2_pix_format); - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_TRY_FMT: - case VIDIOC_S_FMT: { - struct v4l2_format v4l2_format; - struct v4l2_pix_format v4l2_pix_format; - bool try; - int best_format; - - if (VIDIOC_TRY_FMT == cmd) { - JOM(8, "VIDIOC_TRY_FMT\n"); - try = true; - } else { - JOM(8, "VIDIOC_S_FMT\n"); - try = false; - } - - if (0 != copy_from_user(&v4l2_format, (void __user *)arg, - sizeof(struct v4l2_format))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - best_format = adjust_format(peasycap, - v4l2_format.fmt.pix.width, - v4l2_format.fmt.pix.height, - v4l2_format.fmt.pix.pixelformat, - v4l2_format.fmt.pix.field, - try); - if (0 > best_format) { - if (-EBUSY == best_format) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EBUSY; - } - JOM(8, "WARNING: adjust_format() returned %i\n", best_format); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ENOENT; - } -/*...........................................................................*/ - memset(&v4l2_pix_format, 0, sizeof(struct v4l2_pix_format)); - v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - - memcpy(&(v4l2_format.fmt.pix), - &(easycap_format[best_format].v4l2_format.fmt.pix), - sizeof(v4l2_pix_format)); - JOM(8, "user is told: %s\n", &easycap_format[best_format].name[0]); - - if (copy_to_user((void __user *)arg, &v4l2_format, - sizeof(struct v4l2_format))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_CROPCAP: { - struct v4l2_cropcap v4l2_cropcap; - - JOM(8, "VIDIOC_CROPCAP\n"); - - if (0 != copy_from_user(&v4l2_cropcap, (void __user *)arg, - sizeof(struct v4l2_cropcap))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - JOM(8, "v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE\n"); - - memset(&v4l2_cropcap, 0, sizeof(struct v4l2_cropcap)); - v4l2_cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - v4l2_cropcap.bounds.left = 0; - v4l2_cropcap.bounds.top = 0; - v4l2_cropcap.bounds.width = peasycap->width; - v4l2_cropcap.bounds.height = peasycap->height; - v4l2_cropcap.defrect.left = 0; - v4l2_cropcap.defrect.top = 0; - v4l2_cropcap.defrect.width = peasycap->width; - v4l2_cropcap.defrect.height = peasycap->height; - v4l2_cropcap.pixelaspect.numerator = 1; - v4l2_cropcap.pixelaspect.denominator = 1; - - JOM(8, "user is told: %ix%i\n", peasycap->width, peasycap->height); - - if (copy_to_user((void __user *)arg, &v4l2_cropcap, - sizeof(struct v4l2_cropcap))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_CROP: - case VIDIOC_S_CROP: { - JOM(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_QUERYSTD: { - JOM(8, "VIDIOC_QUERYSTD: " - "EasyCAP is incapable of detecting standard\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - break; - } - /*-------------------------------------------------------------------*/ - /* - * THE MANIPULATIONS INVOLVING last0,last1,last2,last3 - * CONSTITUTE A WORKAROUND * FOR WHAT APPEARS TO BE - * A BUG IN 64-BIT mplayer. - * NOT NEEDED, BUT HOPEFULLY HARMLESS, FOR 32-BIT mplayer. - */ - /*------------------------------------------------------------------*/ - case VIDIOC_ENUMSTD: { - int last0 = -1, last1 = -1, last2 = -1, last3 = -1; - struct v4l2_standard v4l2_standard; - u32 index; - struct easycap_standard const *peasycap_standard; - - JOM(8, "VIDIOC_ENUMSTD\n"); - - if (0 != copy_from_user(&v4l2_standard, (void __user *)arg, - sizeof(struct v4l2_standard))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - index = v4l2_standard.index; - - last3 = last2; - last2 = last1; - last1 = last0; - last0 = index; - if ((index == last3) && (index == last2) && - (index == last1) && (index == last0)) { - index++; - last3 = last2; - last2 = last1; - last1 = last0; - last0 = index; - } - - memset(&v4l2_standard, 0, sizeof(struct v4l2_standard)); - - peasycap_standard = &easycap_standard[0]; - while (0xFFFF != peasycap_standard->mask) { - if ((int)(peasycap_standard - &easycap_standard[0]) == index) - break; - peasycap_standard++; - } - if (0xFFFF == peasycap_standard->mask) { - JOM(8, "%i=index: exhausts standards\n", index); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - JOM(8, "%i=index: %s\n", index, - &(peasycap_standard->v4l2_standard.name[0])); - memcpy(&v4l2_standard, &(peasycap_standard->v4l2_standard), - sizeof(struct v4l2_standard)); - - v4l2_standard.index = index; - - if (copy_to_user((void __user *)arg, &v4l2_standard, - sizeof(struct v4l2_standard))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_STD: { - v4l2_std_id std_id; - struct easycap_standard const *peasycap_standard; - - JOM(8, "VIDIOC_G_STD\n"); - - if (0 > peasycap->standard_offset) { - JOM(8, "%i=peasycap->standard_offset\n", - peasycap->standard_offset); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EBUSY; - } - - if (0 != copy_from_user(&std_id, (void __user *)arg, - sizeof(v4l2_std_id))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - peasycap_standard = &easycap_standard[peasycap->standard_offset]; - std_id = peasycap_standard->v4l2_standard.id; - - JOM(8, "user is told: %s\n", - &peasycap_standard->v4l2_standard.name[0]); - - if (copy_to_user((void __user *)arg, &std_id, - sizeof(v4l2_std_id))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_STD: { - v4l2_std_id std_id; - int rc; - - JOM(8, "VIDIOC_S_STD\n"); - - if (0 != copy_from_user(&std_id, (void __user *)arg, - sizeof(v4l2_std_id))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - JOM(8, "User requests standard: 0x%08X%08X\n", - (int)((std_id & (((v4l2_std_id)0xFFFFFFFF) << 32)) >> 32), - (int)(std_id & ((v4l2_std_id)0xFFFFFFFF))); - - rc = adjust_standard(peasycap, std_id); - if (0 > rc) { - JOM(8, "WARNING: adjust_standard() returned %i\n", rc); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ENOENT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_REQBUFS: { - int nbuffers; - struct v4l2_requestbuffers v4l2_requestbuffers; - - JOM(8, "VIDIOC_REQBUFS\n"); - - if (0 != copy_from_user(&v4l2_requestbuffers, - (void __user *)arg, - sizeof(struct v4l2_requestbuffers))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (v4l2_requestbuffers.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - if (v4l2_requestbuffers.memory != V4L2_MEMORY_MMAP) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - nbuffers = v4l2_requestbuffers.count; - JOM(8, " User requests %i buffers ...\n", nbuffers); - if (nbuffers < 2) - nbuffers = 2; - if (nbuffers > FRAME_BUFFER_MANY) - nbuffers = FRAME_BUFFER_MANY; - if (v4l2_requestbuffers.count == nbuffers) { - JOM(8, " ... agree to %i buffers\n", - nbuffers); - } else { - JOM(8, " ... insist on %i buffers\n", - nbuffers); - v4l2_requestbuffers.count = nbuffers; - } - peasycap->frame_buffer_many = nbuffers; - - if (copy_to_user((void __user *)arg, &v4l2_requestbuffers, - sizeof(struct v4l2_requestbuffers))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_QUERYBUF: { - u32 index; - struct v4l2_buffer v4l2_buffer; - - JOM(8, "VIDIOC_QUERYBUF\n"); - - if (peasycap->video_eof) { - JOM(8, "returning -EIO because %i=video_eof\n", - peasycap->video_eof); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EIO; - } - - if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - index = v4l2_buffer.index; - if (index < 0 || index >= peasycap->frame_buffer_many) - return -EINVAL; - memset(&v4l2_buffer, 0, sizeof(struct v4l2_buffer)); - v4l2_buffer.index = index; - v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - v4l2_buffer.bytesused = peasycap->frame_buffer_used; - v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | - peasycap->done[index] | - peasycap->queued[index]; - v4l2_buffer.field = V4L2_FIELD_NONE; - v4l2_buffer.memory = V4L2_MEMORY_MMAP; - v4l2_buffer.m.offset = index * FRAME_BUFFER_SIZE; - v4l2_buffer.length = FRAME_BUFFER_SIZE; - - JOM(16, " %10i=index\n", v4l2_buffer.index); - JOM(16, " 0x%08X=type\n", v4l2_buffer.type); - JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused); - JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags); - JOM(16, " %10i=field\n", v4l2_buffer.field); - JOM(16, " %10li=timestamp.tv_usec\n", - (long)v4l2_buffer.timestamp.tv_usec); - JOM(16, " %10i=sequence\n", v4l2_buffer.sequence); - JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory); - JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset); - JOM(16, " %10i=length\n", v4l2_buffer.length); - - if (copy_to_user((void __user *)arg, &v4l2_buffer, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_QBUF: { - struct v4l2_buffer v4l2_buffer; - - JOM(8, "VIDIOC_QBUF\n"); - - if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - if (v4l2_buffer.memory != V4L2_MEMORY_MMAP) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - if (v4l2_buffer.index < 0 || - v4l2_buffer.index >= peasycap->frame_buffer_many) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED; - - peasycap->done[v4l2_buffer.index] = 0; - peasycap->queued[v4l2_buffer.index] = V4L2_BUF_FLAG_QUEUED; - - if (copy_to_user((void __user *)arg, &v4l2_buffer, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - JOM(8, "..... user queueing frame buffer %i\n", - (int)v4l2_buffer.index); - - peasycap->frame_lock = 0; - - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_DQBUF: - { - struct timeval timeval, timeval2; - int i, j; - struct v4l2_buffer v4l2_buffer; - int rcdq; - u16 input; - - JOM(8, "VIDIOC_DQBUF\n"); - - if ((peasycap->video_idle) || (peasycap->video_eof)) { - JOM(8, "returning -EIO because " - "%i=video_idle %i=video_eof\n", - peasycap->video_idle, peasycap->video_eof); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EIO; - } - - if (copy_from_user(&v4l2_buffer, (void __user *)arg, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - if (v4l2_buffer.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - - if (peasycap->offerfields) { - /*---------------------------------------------------*/ - /* - * IN ITS 50 "fps" MODE tvtime SEEMS ALWAYS TO REQUEST - * V4L2_FIELD_BOTTOM - */ - /*---------------------------------------------------*/ - if (V4L2_FIELD_TOP == v4l2_buffer.field) - JOM(8, "user wants V4L2_FIELD_TOP\n"); - else if (V4L2_FIELD_BOTTOM == v4l2_buffer.field) - JOM(8, "user wants V4L2_FIELD_BOTTOM\n"); - else if (V4L2_FIELD_ANY == v4l2_buffer.field) - JOM(8, "user wants V4L2_FIELD_ANY\n"); - else - JOM(8, "user wants V4L2_FIELD_...UNKNOWN: %i\n", - v4l2_buffer.field); - } - - if (!peasycap->video_isoc_streaming) { - JOM(16, "returning -EIO because video urbs not streaming\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EIO; - } - /*-------------------------------------------------------------------*/ - /* - * IF THE USER HAS PREVIOUSLY CALLED easycap_poll(), - * AS DETERMINED BY FINDING - * THE FLAG peasycap->polled SET, THERE MUST BE - * NO FURTHER WAIT HERE. IN THIS - * CASE, JUST CHOOSE THE FRAME INDICATED BY peasycap->frame_read - */ - /*-------------------------------------------------------------------*/ - - if (!peasycap->polled) { - do { - rcdq = easycap_video_dqbuf(peasycap, 0); - if (-EIO == rcdq) { - JOM(8, "returning -EIO because " - "dqbuf() returned -EIO\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EIO; - } - } while (0 != rcdq); - } else { - if (peasycap->video_eof) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EIO; - } - } - if (V4L2_BUF_FLAG_DONE != peasycap->done[peasycap->frame_read]) { - JOM(8, "V4L2_BUF_FLAG_DONE != 0x%08X\n", - peasycap->done[peasycap->frame_read]); - } - peasycap->polled = 0; - - if (!(peasycap->isequence % 10)) { - for (i = 0; i < 179; i++) - peasycap->merit[i] = peasycap->merit[i+1]; - peasycap->merit[179] = merit_saa(peasycap->pusb_device); - j = 0; - for (i = 0; i < 180; i++) - j += peasycap->merit[i]; - if (90 < j) { - SAM("easycap driver shutting down " - "on condition blue\n"); - peasycap->video_eof = 1; - peasycap->audio_eof = 1; - } - } - - v4l2_buffer.index = peasycap->frame_read; - v4l2_buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - v4l2_buffer.bytesused = peasycap->frame_buffer_used; - v4l2_buffer.flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_DONE; - if (peasycap->offerfields) - v4l2_buffer.field = V4L2_FIELD_BOTTOM; - else - v4l2_buffer.field = V4L2_FIELD_NONE; - do_gettimeofday(&timeval); - timeval2 = timeval; - - v4l2_buffer.timestamp = timeval2; - v4l2_buffer.sequence = peasycap->isequence++; - v4l2_buffer.memory = V4L2_MEMORY_MMAP; - v4l2_buffer.m.offset = v4l2_buffer.index * FRAME_BUFFER_SIZE; - v4l2_buffer.length = FRAME_BUFFER_SIZE; - - JOM(16, " %10i=index\n", v4l2_buffer.index); - JOM(16, " 0x%08X=type\n", v4l2_buffer.type); - JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused); - JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags); - JOM(16, " %10i=field\n", v4l2_buffer.field); - JOM(16, " %10li=timestamp.tv_sec\n", - (long)v4l2_buffer.timestamp.tv_sec); - JOM(16, " %10li=timestamp.tv_usec\n", - (long)v4l2_buffer.timestamp.tv_usec); - JOM(16, " %10i=sequence\n", v4l2_buffer.sequence); - JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory); - JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset); - JOM(16, " %10i=length\n", v4l2_buffer.length); - - if (copy_to_user((void __user *)arg, &v4l2_buffer, - sizeof(struct v4l2_buffer))) { - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - input = peasycap->frame_buffer[peasycap->frame_read][0].input; - if (0x08 & input) { - JOM(8, "user is offered frame buffer %i, input %i\n", - peasycap->frame_read, (0x07 & input)); - } else { - JOM(8, "user is offered frame buffer %i\n", - peasycap->frame_read); - } - peasycap->frame_lock = 1; - JOM(8, "%i=peasycap->frame_fill\n", peasycap->frame_fill); - if (peasycap->frame_read == peasycap->frame_fill) { - if (peasycap->frame_lock) { - JOM(8, "WORRY: filling frame buffer " - "while offered to user\n"); - } - } - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_STREAMON: { - int i; - - JOM(8, "VIDIOC_STREAMON\n"); - - peasycap->isequence = 0; - for (i = 0; i < 180; i++) - peasycap->merit[i] = 0; - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - easycap_video_submit_urbs(peasycap); - peasycap->video_idle = 0; - peasycap->audio_idle = 0; - peasycap->video_eof = 0; - peasycap->audio_eof = 0; - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_STREAMOFF: { - JOM(8, "VIDIOC_STREAMOFF\n"); - - if (!peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - - peasycap->video_idle = 1; - peasycap->audio_idle = 1; -/*---------------------------------------------------------------------------*/ -/* - * 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)); - if (peasycap->psubstream) - snd_pcm_period_elapsed(peasycap->psubstream); - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_PARM: { - struct v4l2_streamparm *pv4l2_streamparm; - - JOM(8, "VIDIOC_G_PARM\n"); - pv4l2_streamparm = memdup_user((void __user *)arg, - sizeof(struct v4l2_streamparm)); - if (IS_ERR(pv4l2_streamparm)) { - SAM("ERROR: copy from user failed\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return PTR_ERR(pv4l2_streamparm); - } - - if (pv4l2_streamparm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - kfree(pv4l2_streamparm); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - pv4l2_streamparm->parm.capture.capability = 0; - pv4l2_streamparm->parm.capture.capturemode = 0; - pv4l2_streamparm->parm.capture.timeperframe.numerator = 1; - - if (peasycap->fps) { - pv4l2_streamparm->parm.capture.timeperframe. - denominator = peasycap->fps; - } else { - if (peasycap->ntsc) { - pv4l2_streamparm->parm.capture.timeperframe. - denominator = 30; - } else { - pv4l2_streamparm->parm.capture.timeperframe. - denominator = 25; - } - } - - pv4l2_streamparm->parm.capture.readbuffers = - peasycap->frame_buffer_many; - pv4l2_streamparm->parm.capture.extendedmode = 0; - if (copy_to_user((void __user *)arg, - pv4l2_streamparm, - sizeof(struct v4l2_streamparm))) { - kfree(pv4l2_streamparm); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EFAULT; - } - kfree(pv4l2_streamparm); - break; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_PARM: { - JOM(8, "VIDIOC_S_PARM unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_AUDIO: { - JOM(8, "VIDIOC_G_AUDIO unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_AUDIO: { - JOM(8, "VIDIOC_S_AUDIO unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_S_TUNER: { - JOM(8, "VIDIOC_S_TUNER unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_FBUF: - case VIDIOC_S_FBUF: - case VIDIOC_OVERLAY: { - JOM(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - case VIDIOC_G_TUNER: { - JOM(8, "VIDIOC_G_TUNER unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } - case VIDIOC_G_FREQUENCY: - case VIDIOC_S_FREQUENCY: { - JOM(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n"); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -EINVAL; - } -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ - default: { - JOM(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd); - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - return -ENOIOCTLCMD; - } - } - mutex_unlock(&easycapdc60_dongle[kd].mutex_video); - JOM(4, "unlocked easycapdc60_dongle[%i].mutex_video\n", kd); - return 0; -} -/*****************************************************************************/ |