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https://github.com/edk2-porting/linux-next.git
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31554ae599
The HVR-1600 can do both analog and digital capture at the same time. Due to a driver bug -EBUSY would be returned when attempting to setup an analog capture while a digital capture was already in progress. Separate the two internally. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
852 lines
21 KiB
C
852 lines
21 KiB
C
/*
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* cx18 ioctl system call
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*
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* Derived from ivtv-ioctl.c
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*
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* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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#include "cx18-driver.h"
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#include "cx18-version.h"
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#include "cx18-mailbox.h"
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#include "cx18-i2c.h"
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#include "cx18-queue.h"
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#include "cx18-fileops.h"
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#include "cx18-vbi.h"
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#include "cx18-audio.h"
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#include "cx18-video.h"
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#include "cx18-streams.h"
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#include "cx18-ioctl.h"
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#include "cx18-gpio.h"
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#include "cx18-controls.h"
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#include "cx18-cards.h"
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#include "cx18-av-core.h"
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#include <media/tveeprom.h>
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#include <media/v4l2-chip-ident.h>
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#include <linux/i2c-id.h>
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u16 cx18_service2vbi(int type)
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{
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switch (type) {
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case V4L2_SLICED_TELETEXT_B:
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return CX18_SLICED_TYPE_TELETEXT_B;
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case V4L2_SLICED_CAPTION_525:
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return CX18_SLICED_TYPE_CAPTION_525;
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case V4L2_SLICED_WSS_625:
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return CX18_SLICED_TYPE_WSS_625;
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case V4L2_SLICED_VPS:
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return CX18_SLICED_TYPE_VPS;
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default:
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return 0;
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}
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}
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static int valid_service_line(int field, int line, int is_pal)
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{
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return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
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(!is_pal && line >= 10 && line < 22);
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}
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static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
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{
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u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
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int i;
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set = set & valid_set;
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if (set == 0 || !valid_service_line(field, line, is_pal))
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return 0;
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if (!is_pal) {
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if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
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return V4L2_SLICED_CAPTION_525;
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} else {
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if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
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return V4L2_SLICED_VPS;
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if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
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return V4L2_SLICED_WSS_625;
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if (line == 23)
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return 0;
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}
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for (i = 0; i < 32; i++) {
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if ((1 << i) & set)
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return 1 << i;
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}
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return 0;
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}
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void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
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{
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u16 set = fmt->service_set;
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int f, l;
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fmt->service_set = 0;
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for (f = 0; f < 2; f++) {
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for (l = 0; l < 24; l++)
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fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
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}
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}
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static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
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{
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int f, l;
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u16 set = 0;
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for (f = 0; f < 2; f++) {
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for (l = 0; l < 24; l++) {
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fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
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set |= fmt->service_lines[f][l];
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}
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}
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return set != 0;
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}
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u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
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{
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int f, l;
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u16 set = 0;
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for (f = 0; f < 2; f++) {
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for (l = 0; l < 24; l++)
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set |= fmt->service_lines[f][l];
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}
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return set;
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}
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static const struct {
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v4l2_std_id std;
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char *name;
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} enum_stds[] = {
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{ V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
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{ V4L2_STD_PAL_DK, "PAL-DK" },
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{ V4L2_STD_PAL_I, "PAL-I" },
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{ V4L2_STD_PAL_M, "PAL-M" },
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{ V4L2_STD_PAL_N, "PAL-N" },
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{ V4L2_STD_PAL_Nc, "PAL-Nc" },
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{ V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
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{ V4L2_STD_SECAM_DK, "SECAM-DK" },
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{ V4L2_STD_SECAM_L, "SECAM-L" },
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{ V4L2_STD_SECAM_LC, "SECAM-L'" },
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{ V4L2_STD_NTSC_M, "NTSC-M" },
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{ V4L2_STD_NTSC_M_JP, "NTSC-J" },
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{ V4L2_STD_NTSC_M_KR, "NTSC-K" },
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};
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static const struct v4l2_standard cx18_std_60hz = {
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.frameperiod = {.numerator = 1001, .denominator = 30000},
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.framelines = 525,
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};
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static const struct v4l2_standard cx18_std_50hz = {
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.frameperiod = { .numerator = 1, .denominator = 25 },
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.framelines = 625,
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};
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static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
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{
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struct v4l2_register *regs = arg;
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unsigned long flags;
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
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return -EINVAL;
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spin_lock_irqsave(&cx18_cards_lock, flags);
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if (cmd == VIDIOC_DBG_G_REGISTER)
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regs->val = read_enc(regs->reg);
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else
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write_enc(regs->val, regs->reg);
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spin_unlock_irqrestore(&cx18_cards_lock, flags);
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return 0;
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}
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static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt)
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{
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switch (fmt->type) {
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case V4L2_BUF_TYPE_VIDEO_CAPTURE:
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fmt->fmt.pix.width = cx->params.width;
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fmt->fmt.pix.height = cx->params.height;
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fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
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fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
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if (streamtype == CX18_ENC_STREAM_TYPE_YUV) {
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fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
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/* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
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fmt->fmt.pix.sizeimage =
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fmt->fmt.pix.height * fmt->fmt.pix.width +
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fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
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} else {
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fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
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fmt->fmt.pix.sizeimage = 128 * 1024;
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}
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break;
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case V4L2_BUF_TYPE_VBI_CAPTURE:
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fmt->fmt.vbi.sampling_rate = 27000000;
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fmt->fmt.vbi.offset = 248;
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fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4;
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fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
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fmt->fmt.vbi.start[0] = cx->vbi.start[0];
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fmt->fmt.vbi.start[1] = cx->vbi.start[1];
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fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count;
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break;
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case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
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{
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
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memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
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memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
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cx18_av_cmd(cx, VIDIOC_G_FMT, fmt);
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vbifmt->service_set = cx18_get_service_set(vbifmt);
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break;
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}
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype,
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struct v4l2_format *fmt, int set_fmt)
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{
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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u16 set;
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/* set window size */
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if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
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int w = fmt->fmt.pix.width;
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int h = fmt->fmt.pix.height;
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if (w > 720)
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w = 720;
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else if (w < 1)
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w = 1;
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if (h > (cx->is_50hz ? 576 : 480))
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h = (cx->is_50hz ? 576 : 480);
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else if (h < 2)
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h = 2;
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cx18_get_fmt(cx, streamtype, fmt);
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fmt->fmt.pix.width = w;
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fmt->fmt.pix.height = h;
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if (!set_fmt || (cx->params.width == w && cx->params.height == h))
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return 0;
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if (atomic_read(&cx->ana_capturing) > 0)
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return -EBUSY;
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cx->params.width = w;
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cx->params.height = h;
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if (w != 720 || h != (cx->is_50hz ? 576 : 480))
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cx->params.video_temporal_filter = 0;
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else
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cx->params.video_temporal_filter = 8;
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cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
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return cx18_get_fmt(cx, streamtype, fmt);
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}
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/* set raw VBI format */
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if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
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if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI &&
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cx->vbi.sliced_in->service_set &&
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atomic_read(&cx->ana_capturing) > 0)
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return -EBUSY;
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if (set_fmt) {
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cx->vbi.sliced_in->service_set = 0;
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cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in);
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}
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return cx18_get_fmt(cx, streamtype, fmt);
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}
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/* any else but sliced VBI capture is an error */
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if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
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return -EINVAL;
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/* TODO: implement sliced VBI, for now silently return 0 */
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return 0;
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/* set sliced VBI capture format */
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vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
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memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
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if (vbifmt->service_set)
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cx18_expand_service_set(vbifmt, cx->is_50hz);
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set = check_service_set(vbifmt, cx->is_50hz);
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vbifmt->service_set = cx18_get_service_set(vbifmt);
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if (!set_fmt)
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return 0;
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if (set == 0)
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return -EINVAL;
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if (atomic_read(&cx->ana_capturing) > 0 && cx->vbi.sliced_in->service_set == 0)
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return -EBUSY;
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cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
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memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
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return 0;
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}
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static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
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{
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struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
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struct cx18 *cx = id->cx;
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struct v4l2_register *reg = arg;
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switch (cmd) {
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/* ioctls to allow direct access to the encoder registers for testing */
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case VIDIOC_DBG_G_REGISTER:
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if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
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return cx18_cxc(cx, cmd, arg);
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if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
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return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
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return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
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case VIDIOC_DBG_S_REGISTER:
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if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
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return cx18_cxc(cx, cmd, arg);
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if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
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return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
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return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
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case VIDIOC_G_CHIP_IDENT: {
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struct v4l2_chip_ident *chip = arg;
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chip->ident = V4L2_IDENT_NONE;
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chip->revision = 0;
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if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
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if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
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struct v4l2_chip_ident *chip = arg;
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chip->ident = V4L2_IDENT_CX23418;
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}
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return 0;
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}
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if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
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return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
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if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
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return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
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return -EINVAL;
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}
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case VIDIOC_INT_S_AUDIO_ROUTING: {
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struct v4l2_routing *route = arg;
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cx18_audio_set_route(cx, route);
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break;
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}
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default:
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return -EINVAL;
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}
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return 0;
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}
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int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg)
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{
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struct cx18_open_id *id = NULL;
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if (filp)
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id = (struct cx18_open_id *)filp->private_data;
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switch (cmd) {
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case VIDIOC_G_PRIORITY:
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{
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enum v4l2_priority *p = arg;
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*p = v4l2_prio_max(&cx->prio);
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break;
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}
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case VIDIOC_S_PRIORITY:
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{
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enum v4l2_priority *prio = arg;
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return v4l2_prio_change(&cx->prio, &id->prio, *prio);
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}
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case VIDIOC_QUERYCAP:{
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struct v4l2_capability *vcap = arg;
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memset(vcap, 0, sizeof(*vcap));
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strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
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strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
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strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
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vcap->version = CX18_DRIVER_VERSION; /* version */
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vcap->capabilities = cx->v4l2_cap; /* capabilities */
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/* reserved.. must set to 0! */
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vcap->reserved[0] = vcap->reserved[1] =
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vcap->reserved[2] = vcap->reserved[3] = 0;
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break;
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}
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case VIDIOC_ENUMAUDIO:{
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struct v4l2_audio *vin = arg;
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return cx18_get_audio_input(cx, vin->index, vin);
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}
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case VIDIOC_G_AUDIO:{
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struct v4l2_audio *vin = arg;
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vin->index = cx->audio_input;
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return cx18_get_audio_input(cx, vin->index, vin);
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}
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case VIDIOC_S_AUDIO:{
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struct v4l2_audio *vout = arg;
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if (vout->index >= cx->nof_audio_inputs)
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return -EINVAL;
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cx->audio_input = vout->index;
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cx18_audio_set_io(cx);
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break;
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}
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case VIDIOC_ENUMINPUT:{
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struct v4l2_input *vin = arg;
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/* set it to defaults from our table */
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return cx18_get_input(cx, vin->index, vin);
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}
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case VIDIOC_TRY_FMT:
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case VIDIOC_S_FMT: {
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struct v4l2_format *fmt = arg;
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return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT);
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}
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case VIDIOC_G_FMT: {
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struct v4l2_format *fmt = arg;
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int type = fmt->type;
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memset(fmt, 0, sizeof(*fmt));
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fmt->type = type;
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return cx18_get_fmt(cx, id->type, fmt);
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}
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case VIDIOC_CROPCAP: {
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struct v4l2_cropcap *cropcap = arg;
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|
|
if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
cropcap->bounds.top = cropcap->bounds.left = 0;
|
|
cropcap->bounds.width = 720;
|
|
cropcap->bounds.height = cx->is_50hz ? 576 : 480;
|
|
cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
|
|
cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
|
|
cropcap->defrect = cropcap->bounds;
|
|
return 0;
|
|
}
|
|
|
|
case VIDIOC_S_CROP: {
|
|
struct v4l2_crop *crop = arg;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
return cx18_av_cmd(cx, VIDIOC_S_CROP, arg);
|
|
}
|
|
|
|
case VIDIOC_G_CROP: {
|
|
struct v4l2_crop *crop = arg;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
return cx18_av_cmd(cx, VIDIOC_G_CROP, arg);
|
|
}
|
|
|
|
case VIDIOC_ENUM_FMT: {
|
|
static struct v4l2_fmtdesc formats[] = {
|
|
{ 0, 0, 0,
|
|
"HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
|
|
{ 0, 0, 0, 0 }
|
|
},
|
|
{ 1, 0, V4L2_FMT_FLAG_COMPRESSED,
|
|
"MPEG", V4L2_PIX_FMT_MPEG,
|
|
{ 0, 0, 0, 0 }
|
|
}
|
|
};
|
|
struct v4l2_fmtdesc *fmt = arg;
|
|
enum v4l2_buf_type type = fmt->type;
|
|
|
|
switch (type) {
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
if (fmt->index > 1)
|
|
return -EINVAL;
|
|
*fmt = formats[fmt->index];
|
|
fmt->type = type;
|
|
return 0;
|
|
}
|
|
|
|
case VIDIOC_G_INPUT:{
|
|
*(int *)arg = cx->active_input;
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_S_INPUT:{
|
|
int inp = *(int *)arg;
|
|
|
|
if (inp < 0 || inp >= cx->nof_inputs)
|
|
return -EINVAL;
|
|
|
|
if (inp == cx->active_input) {
|
|
CX18_DEBUG_INFO("Input unchanged\n");
|
|
break;
|
|
}
|
|
CX18_DEBUG_INFO("Changing input from %d to %d\n",
|
|
cx->active_input, inp);
|
|
|
|
cx->active_input = inp;
|
|
/* Set the audio input to whatever is appropriate for the
|
|
input type. */
|
|
cx->audio_input = cx->card->video_inputs[inp].audio_index;
|
|
|
|
/* prevent others from messing with the streams until
|
|
we're finished changing inputs. */
|
|
cx18_mute(cx);
|
|
cx18_video_set_io(cx);
|
|
cx18_audio_set_io(cx);
|
|
cx18_unmute(cx);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_G_FREQUENCY:{
|
|
struct v4l2_frequency *vf = arg;
|
|
|
|
if (vf->tuner != 0)
|
|
return -EINVAL;
|
|
cx18_call_i2c_clients(cx, cmd, arg);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_S_FREQUENCY:{
|
|
struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
|
|
|
|
if (vf.tuner != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_mute(cx);
|
|
CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
|
|
cx18_call_i2c_clients(cx, cmd, &vf);
|
|
cx18_unmute(cx);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_ENUMSTD:{
|
|
struct v4l2_standard *vs = arg;
|
|
int idx = vs->index;
|
|
|
|
if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
|
|
return -EINVAL;
|
|
|
|
*vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
|
|
cx18_std_60hz : cx18_std_50hz;
|
|
vs->index = idx;
|
|
vs->id = enum_stds[idx].std;
|
|
strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name));
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_G_STD:{
|
|
*(v4l2_std_id *) arg = cx->std;
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_S_STD: {
|
|
v4l2_std_id std = *(v4l2_std_id *) arg;
|
|
|
|
if ((std & V4L2_STD_ALL) == 0)
|
|
return -EINVAL;
|
|
|
|
if (std == cx->std)
|
|
break;
|
|
|
|
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
|
|
atomic_read(&cx->ana_capturing) > 0) {
|
|
/* Switching standard would turn off the radio or mess
|
|
with already running streams, prevent that by
|
|
returning EBUSY. */
|
|
return -EBUSY;
|
|
}
|
|
|
|
cx->std = std;
|
|
cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
|
|
cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
|
|
cx->params.width = 720;
|
|
cx->params.height = cx->is_50hz ? 576 : 480;
|
|
cx->vbi.count = cx->is_50hz ? 18 : 12;
|
|
cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
|
|
cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
|
|
cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284;
|
|
CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std);
|
|
|
|
/* Tuner */
|
|
cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */
|
|
struct v4l2_tuner *vt = arg;
|
|
|
|
if (vt->index != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_G_TUNER: {
|
|
struct v4l2_tuner *vt = arg;
|
|
|
|
if (vt->index != 0)
|
|
return -EINVAL;
|
|
|
|
memset(vt, 0, sizeof(*vt));
|
|
cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
|
|
|
|
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
|
|
strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
|
|
vt->type = V4L2_TUNER_RADIO;
|
|
} else {
|
|
strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
|
|
vt->type = V4L2_TUNER_ANALOG_TV;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_G_SLICED_VBI_CAP: {
|
|
struct v4l2_sliced_vbi_cap *cap = arg;
|
|
int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
|
|
int f, l;
|
|
enum v4l2_buf_type type = cap->type;
|
|
|
|
memset(cap, 0, sizeof(*cap));
|
|
cap->type = type;
|
|
if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
|
|
for (f = 0; f < 2; f++) {
|
|
for (l = 0; l < 24; l++) {
|
|
if (valid_service_line(f, l, cx->is_50hz))
|
|
cap->service_lines[f][l] = set;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
case VIDIOC_ENCODER_CMD:
|
|
case VIDIOC_TRY_ENCODER_CMD: {
|
|
struct v4l2_encoder_cmd *enc = arg;
|
|
int try = cmd == VIDIOC_TRY_ENCODER_CMD;
|
|
|
|
memset(&enc->raw, 0, sizeof(enc->raw));
|
|
switch (enc->cmd) {
|
|
case V4L2_ENC_CMD_START:
|
|
enc->flags = 0;
|
|
if (try)
|
|
return 0;
|
|
return cx18_start_capture(id);
|
|
|
|
case V4L2_ENC_CMD_STOP:
|
|
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
|
|
if (try)
|
|
return 0;
|
|
cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
|
|
return 0;
|
|
|
|
case V4L2_ENC_CMD_PAUSE:
|
|
enc->flags = 0;
|
|
if (try)
|
|
return 0;
|
|
if (!atomic_read(&cx->ana_capturing))
|
|
return -EPERM;
|
|
if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
|
|
return 0;
|
|
cx18_mute(cx);
|
|
cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx));
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_RESUME:
|
|
enc->flags = 0;
|
|
if (try)
|
|
return 0;
|
|
if (!atomic_read(&cx->ana_capturing))
|
|
return -EPERM;
|
|
if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
|
|
return 0;
|
|
cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx));
|
|
cx18_unmute(cx);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_LOG_STATUS:
|
|
{
|
|
struct v4l2_input vidin;
|
|
struct v4l2_audio audin;
|
|
int i;
|
|
|
|
CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num);
|
|
if (cx->hw_flags & CX18_HW_TVEEPROM) {
|
|
struct tveeprom tv;
|
|
|
|
cx18_read_eeprom(cx, &tv);
|
|
}
|
|
cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
|
|
cx18_get_input(cx, cx->active_input, &vidin);
|
|
cx18_get_audio_input(cx, cx->audio_input, &audin);
|
|
CX18_INFO("Video Input: %s\n", vidin.name);
|
|
CX18_INFO("Audio Input: %s\n", audin.name);
|
|
CX18_INFO("Tuner: %s\n",
|
|
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ?
|
|
"Radio" : "TV");
|
|
cx2341x_log_status(&cx->params, cx->name);
|
|
CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
|
|
for (i = 0; i < CX18_MAX_STREAMS; i++) {
|
|
struct cx18_stream *s = &cx->streams[i];
|
|
|
|
if (s->v4l2dev == NULL || s->buffers == 0)
|
|
continue;
|
|
CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
|
|
s->name, s->s_flags,
|
|
(s->buffers - s->q_free.buffers) * 100 / s->buffers,
|
|
(s->buffers * s->buf_size) / 1024, s->buffers);
|
|
}
|
|
CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
|
|
(long long)cx->mpg_data_received,
|
|
(long long)cx->vbi_data_inserted);
|
|
CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp,
|
|
unsigned int cmd, void *arg)
|
|
{
|
|
struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
/* check priority */
|
|
switch (cmd) {
|
|
case VIDIOC_S_CTRL:
|
|
case VIDIOC_S_STD:
|
|
case VIDIOC_S_INPUT:
|
|
case VIDIOC_S_TUNER:
|
|
case VIDIOC_S_FREQUENCY:
|
|
case VIDIOC_S_FMT:
|
|
case VIDIOC_S_CROP:
|
|
case VIDIOC_S_EXT_CTRLS:
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
switch (cmd) {
|
|
case VIDIOC_DBG_G_REGISTER:
|
|
case VIDIOC_DBG_S_REGISTER:
|
|
case VIDIOC_G_CHIP_IDENT:
|
|
case VIDIOC_INT_S_AUDIO_ROUTING:
|
|
case VIDIOC_INT_RESET:
|
|
if (cx18_debug & CX18_DBGFLG_IOCTL) {
|
|
printk(KERN_INFO "cx18%d ioctl: ", cx->num);
|
|
v4l_printk_ioctl(cmd);
|
|
}
|
|
return cx18_debug_ioctls(filp, cmd, arg);
|
|
|
|
case VIDIOC_G_PRIORITY:
|
|
case VIDIOC_S_PRIORITY:
|
|
case VIDIOC_QUERYCAP:
|
|
case VIDIOC_ENUMINPUT:
|
|
case VIDIOC_G_INPUT:
|
|
case VIDIOC_S_INPUT:
|
|
case VIDIOC_G_FMT:
|
|
case VIDIOC_S_FMT:
|
|
case VIDIOC_TRY_FMT:
|
|
case VIDIOC_ENUM_FMT:
|
|
case VIDIOC_CROPCAP:
|
|
case VIDIOC_G_CROP:
|
|
case VIDIOC_S_CROP:
|
|
case VIDIOC_G_FREQUENCY:
|
|
case VIDIOC_S_FREQUENCY:
|
|
case VIDIOC_ENUMSTD:
|
|
case VIDIOC_G_STD:
|
|
case VIDIOC_S_STD:
|
|
case VIDIOC_S_TUNER:
|
|
case VIDIOC_G_TUNER:
|
|
case VIDIOC_ENUMAUDIO:
|
|
case VIDIOC_S_AUDIO:
|
|
case VIDIOC_G_AUDIO:
|
|
case VIDIOC_G_SLICED_VBI_CAP:
|
|
case VIDIOC_LOG_STATUS:
|
|
case VIDIOC_G_ENC_INDEX:
|
|
case VIDIOC_ENCODER_CMD:
|
|
case VIDIOC_TRY_ENCODER_CMD:
|
|
if (cx18_debug & CX18_DBGFLG_IOCTL) {
|
|
printk(KERN_INFO "cx18%d ioctl: ", cx->num);
|
|
v4l_printk_ioctl(cmd);
|
|
}
|
|
return cx18_v4l2_ioctls(cx, filp, cmd, arg);
|
|
|
|
case VIDIOC_QUERYMENU:
|
|
case VIDIOC_QUERYCTRL:
|
|
case VIDIOC_S_CTRL:
|
|
case VIDIOC_G_CTRL:
|
|
case VIDIOC_S_EXT_CTRLS:
|
|
case VIDIOC_G_EXT_CTRLS:
|
|
case VIDIOC_TRY_EXT_CTRLS:
|
|
if (cx18_debug & CX18_DBGFLG_IOCTL) {
|
|
printk(KERN_INFO "cx18%d ioctl: ", cx->num);
|
|
v4l_printk_ioctl(cmd);
|
|
}
|
|
return cx18_control_ioctls(cx, cmd, arg);
|
|
|
|
case 0x00005401: /* Handle isatty() calls */
|
|
return -EINVAL;
|
|
default:
|
|
return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
|
|
cx18_v4l2_do_ioctl);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
|
|
struct cx18 *cx = id->cx;
|
|
int res;
|
|
|
|
mutex_lock(&cx->serialize_lock);
|
|
res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl);
|
|
mutex_unlock(&cx->serialize_lock);
|
|
return res;
|
|
}
|