1025 lines
27 KiB
C
1025 lines
27 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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* Copyright (C) 2008 Andy Walls <awalls@radix.net>
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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-io.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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/* Check if VBI services are allowed on the (field, line) for the video std */
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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 &&
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((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
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(!is_pal && line >= 10 && line < 22);
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}
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/*
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* For a (field, line, std) and inbound potential set of services for that line,
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* return the first valid service of those passed in the incoming set for that
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* line in priority order:
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* CC, VPS, or WSS over TELETEXT for well known lines
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* TELETEXT, before VPS, before CC, before WSS, for other lines
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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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/*
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* Expand the service_set of *fmt into valid service_lines for the std,
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* and clear the passed in fmt->service_set
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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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/*
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* Sanitize the service_lines in *fmt per the video std, and return 1
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* if any service_line is left as valid after santization
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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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/* Compute the service_set from the assumed valid service_lines of *fmt */
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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 int cx18_g_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18 *cx = id->cx;
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struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
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pixfmt->width = cx->params.width;
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pixfmt->height = cx->params.height;
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pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
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pixfmt->field = V4L2_FIELD_INTERLACED;
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pixfmt->priv = 0;
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if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
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pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
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/* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
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pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
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pixfmt->bytesperline = 720;
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} else {
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pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
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pixfmt->sizeimage = 128 * 1024;
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pixfmt->bytesperline = 0;
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}
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return 0;
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}
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static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
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vbifmt->sampling_rate = 27000000;
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vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
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vbifmt->samples_per_line = vbi_active_samples - 4;
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vbifmt->sample_format = V4L2_PIX_FMT_GREY;
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vbifmt->start[0] = cx->vbi.start[0];
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vbifmt->start[1] = cx->vbi.start[1];
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vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
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vbifmt->flags = 0;
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vbifmt->reserved[0] = 0;
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vbifmt->reserved[1] = 0;
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return 0;
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}
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static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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/* sane, V4L2 spec compliant, defaults */
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vbifmt->reserved[0] = 0;
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vbifmt->reserved[1] = 0;
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vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
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memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
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vbifmt->service_set = 0;
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/*
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* Fetch the configured service_lines and total service_set from the
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* digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
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* fmt->fmt.sliced under valid calling conditions
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*/
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if (v4l2_subdev_call(cx->sd_av, video, g_fmt, fmt))
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return -EINVAL;
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/* Ensure V4L2 spec compliant output */
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vbifmt->reserved[0] = 0;
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vbifmt->reserved[1] = 0;
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vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
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vbifmt->service_set = cx18_get_service_set(vbifmt);
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return 0;
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}
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static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18 *cx = id->cx;
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int w = fmt->fmt.pix.width;
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int h = fmt->fmt.pix.height;
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int min_h = 2;
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w = min(w, 720);
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w = max(w, 2);
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if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
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/* YUV height must be a multiple of 32 */
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h &= ~0x1f;
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min_h = 32;
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}
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h = min(h, cx->is_50hz ? 576 : 480);
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h = max(h, min_h);
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cx18_g_fmt_vid_cap(file, fh, fmt);
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fmt->fmt.pix.width = w;
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fmt->fmt.pix.height = h;
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return 0;
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}
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static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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return cx18_g_fmt_vbi_cap(file, fh, fmt);
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}
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static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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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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vbifmt->reserved[0] = 0;
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vbifmt->reserved[1] = 0;
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/* If given a service set, expand it validly & clear passed in set */
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if (vbifmt->service_set)
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cx18_expand_service_set(vbifmt, cx->is_50hz);
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/* Sanitize the service_lines, and compute the new set if any valid */
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if (check_service_set(vbifmt, cx->is_50hz))
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vbifmt->service_set = cx18_get_service_set(vbifmt);
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return 0;
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}
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static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18 *cx = id->cx;
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int ret;
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int w, h;
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ret = v4l2_prio_check(&cx->prio, &id->prio);
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if (ret)
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return ret;
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ret = cx18_try_fmt_vid_cap(file, fh, fmt);
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if (ret)
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return ret;
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w = fmt->fmt.pix.width;
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h = fmt->fmt.pix.height;
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if (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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v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
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return cx18_g_fmt_vid_cap(file, fh, fmt);
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}
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static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18 *cx = id->cx;
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int ret;
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ret = v4l2_prio_check(&cx->prio, &id->prio);
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if (ret)
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return ret;
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/*
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* Changing the Encoder's Raw VBI parameters won't have any effect
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* if any analog capture is ongoing
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*/
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if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
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return -EBUSY;
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/*
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* Set the digitizer registers for raw active VBI.
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* Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
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* calling conditions
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*/
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ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
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if (ret)
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return ret;
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/* Store our new v4l2 (non-)sliced VBI state */
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cx->vbi.sliced_in->service_set = 0;
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cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
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return cx18_g_fmt_vbi_cap(file, fh, fmt);
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}
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static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
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struct v4l2_format *fmt)
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{
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struct cx18_open_id *id = fh;
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struct cx18 *cx = id->cx;
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int ret;
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struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
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ret = v4l2_prio_check(&cx->prio, &id->prio);
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if (ret)
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return ret;
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cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
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/*
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* Changing the Encoder's Raw VBI parameters won't have any effect
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* if any analog capture is ongoing
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*/
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if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
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return -EBUSY;
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/*
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* Set the service_lines requested in the digitizer/slicer registers.
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* Note, cx18_av_vbi() wipes some "impossible" service lines in the
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* passed in fmt->fmt.sliced under valid calling conditions
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*/
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ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
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if (ret)
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return ret;
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/* Store our current v4l2 sliced VBI settings */
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cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
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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_g_chip_ident(struct file *file, void *fh,
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struct v4l2_dbg_chip_ident *chip)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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int err = 0;
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chip->ident = V4L2_IDENT_NONE;
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chip->revision = 0;
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switch (chip->match.type) {
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case V4L2_CHIP_MATCH_HOST:
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switch (chip->match.addr) {
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case 0:
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chip->ident = V4L2_IDENT_CX23418;
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chip->revision = cx18_read_reg(cx, 0xC72028);
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break;
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case 1:
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/*
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* The A/V decoder is always present, but in the rare
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* case that the card doesn't have analog, we don't
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* use it. We find it w/o using the cx->sd_av pointer
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*/
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cx18_call_hw(cx, CX18_HW_418_AV,
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core, g_chip_ident, chip);
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break;
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default:
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/*
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* Could return ident = V4L2_IDENT_UNKNOWN if we had
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* other host chips at higher addresses, but we don't
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*/
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err = -EINVAL; /* per V4L2 spec */
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break;
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}
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break;
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case V4L2_CHIP_MATCH_I2C_DRIVER:
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/* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
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cx18_call_all(cx, core, g_chip_ident, chip);
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break;
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case V4L2_CHIP_MATCH_I2C_ADDR:
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/*
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* We could return V4L2_IDENT_UNKNOWN, but we don't do the work
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* to look if a chip is at the address with no driver. That's a
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* dangerous thing to do with EEPROMs anyway.
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*/
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cx18_call_all(cx, core, g_chip_ident, chip);
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break;
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default:
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err = -EINVAL;
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break;
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}
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return err;
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}
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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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_dbg_register *regs = arg;
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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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regs->size = 4;
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if (cmd == VIDIOC_DBG_S_REGISTER)
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cx18_write_enc(cx, regs->val, regs->reg);
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else
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regs->val = cx18_read_enc(cx, regs->reg);
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return 0;
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}
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static int cx18_g_register(struct file *file, void *fh,
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struct v4l2_dbg_register *reg)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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if (v4l2_chip_match_host(®->match))
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return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
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/* FIXME - errors shouldn't be ignored */
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cx18_call_all(cx, core, g_register, reg);
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return 0;
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}
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static int cx18_s_register(struct file *file, void *fh,
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struct v4l2_dbg_register *reg)
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{
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struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
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if (v4l2_chip_match_host(®->match))
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return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
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/* FIXME - errors shouldn't be ignored */
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cx18_call_all(cx, core, s_register, reg);
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return 0;
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}
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#endif
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|
|
static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
*p = v4l2_prio_max(&cx->prio);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
|
|
return v4l2_prio_change(&cx->prio, &id->prio, prio);
|
|
}
|
|
|
|
static int cx18_querycap(struct file *file, void *fh,
|
|
struct v4l2_capability *vcap)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
|
|
strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
|
|
snprintf(vcap->bus_info, sizeof(vcap->bus_info),
|
|
"PCI:%s", pci_name(cx->pci_dev));
|
|
vcap->version = CX18_DRIVER_VERSION; /* version */
|
|
vcap->capabilities = cx->v4l2_cap; /* capabilities */
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
return cx18_get_audio_input(cx, vin->index, vin);
|
|
}
|
|
|
|
static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
vin->index = cx->audio_input;
|
|
return cx18_get_audio_input(cx, vin->index, vin);
|
|
}
|
|
|
|
static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
if (vout->index >= cx->nof_audio_inputs)
|
|
return -EINVAL;
|
|
cx->audio_input = vout->index;
|
|
cx18_audio_set_io(cx);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
/* set it to defaults from our table */
|
|
return cx18_get_input(cx, vin->index, vin);
|
|
}
|
|
|
|
static int cx18_cropcap(struct file *file, void *fh,
|
|
struct v4l2_cropcap *cropcap)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
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;
|
|
}
|
|
|
|
static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
|
|
struct v4l2_fmtdesc *fmt)
|
|
{
|
|
static struct v4l2_fmtdesc formats[] = {
|
|
{ 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
|
|
"HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
|
|
},
|
|
{ 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
|
|
"MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
|
|
}
|
|
};
|
|
|
|
if (fmt->index > 1)
|
|
return -EINVAL;
|
|
*fmt = formats[fmt->index];
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
*i = cx->active_input;
|
|
return 0;
|
|
}
|
|
|
|
int cx18_s_input(struct file *file, void *fh, unsigned int inp)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (inp < 0 || inp >= cx->nof_inputs)
|
|
return -EINVAL;
|
|
|
|
if (inp == cx->active_input) {
|
|
CX18_DEBUG_INFO("Input unchanged\n");
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_frequency(struct file *file, void *fh,
|
|
struct v4l2_frequency *vf)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
if (vf->tuner != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_call_all(cx, tuner, g_frequency, vf);
|
|
return 0;
|
|
}
|
|
|
|
int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (vf->tuner != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_mute(cx);
|
|
CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
|
|
cx18_call_all(cx, tuner, s_frequency, vf);
|
|
cx18_unmute(cx);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
*std = cx->std;
|
|
return 0;
|
|
}
|
|
|
|
int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if ((*std & V4L2_STD_ALL) == 0)
|
|
return -EINVAL;
|
|
|
|
if (*std == cx->std)
|
|
return 0;
|
|
|
|
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;
|
|
CX18_DEBUG_INFO("Switching standard to %llx.\n",
|
|
(unsigned long long) cx->std);
|
|
|
|
/* Tuner */
|
|
cx18_call_all(cx, core, s_std, cx->std);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
int ret;
|
|
|
|
ret = v4l2_prio_check(&cx->prio, &id->prio);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (vt->index != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_call_all(cx, tuner, s_tuner, vt);
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
if (vt->index != 0)
|
|
return -EINVAL;
|
|
|
|
cx18_call_all(cx, tuner, 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;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
|
|
struct v4l2_sliced_vbi_cap *cap)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
|
|
int f, l;
|
|
|
|
if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
cap->service_set = 0;
|
|
for (f = 0; f < 2; f++) {
|
|
for (l = 0; l < 24; l++) {
|
|
if (valid_service_line(f, l, cx->is_50hz)) {
|
|
/*
|
|
* We can find all v4l2 supported vbi services
|
|
* for the standard, on a valid line for the std
|
|
*/
|
|
cap->service_lines[f][l] = set;
|
|
cap->service_set |= set;
|
|
} else
|
|
cap->service_lines[f][l] = 0;
|
|
}
|
|
}
|
|
for (f = 0; f < 3; f++)
|
|
cap->reserved[f] = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_g_enc_index(struct file *file, void *fh,
|
|
struct v4l2_enc_idx *idx)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int cx18_encoder_cmd(struct file *file, void *fh,
|
|
struct v4l2_encoder_cmd *enc)
|
|
{
|
|
struct cx18_open_id *id = fh;
|
|
struct cx18 *cx = id->cx;
|
|
u32 h;
|
|
|
|
switch (enc->cmd) {
|
|
case V4L2_ENC_CMD_START:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
|
|
enc->flags = 0;
|
|
return cx18_start_capture(id);
|
|
|
|
case V4L2_ENC_CMD_STOP:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
|
|
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
|
|
cx18_stop_capture(id,
|
|
enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_PAUSE:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
|
|
enc->flags = 0;
|
|
if (!atomic_read(&cx->ana_capturing))
|
|
return -EPERM;
|
|
if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
|
|
return 0;
|
|
h = cx18_find_handle(cx);
|
|
if (h == CX18_INVALID_TASK_HANDLE) {
|
|
CX18_ERR("Can't find valid task handle for "
|
|
"V4L2_ENC_CMD_PAUSE\n");
|
|
return -EBADFD;
|
|
}
|
|
cx18_mute(cx);
|
|
cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_RESUME:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
|
|
enc->flags = 0;
|
|
if (!atomic_read(&cx->ana_capturing))
|
|
return -EPERM;
|
|
if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
|
|
return 0;
|
|
h = cx18_find_handle(cx);
|
|
if (h == CX18_INVALID_TASK_HANDLE) {
|
|
CX18_ERR("Can't find valid task handle for "
|
|
"V4L2_ENC_CMD_RESUME\n");
|
|
return -EBADFD;
|
|
}
|
|
cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
|
|
cx18_unmute(cx);
|
|
break;
|
|
|
|
default:
|
|
CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_try_encoder_cmd(struct file *file, void *fh,
|
|
struct v4l2_encoder_cmd *enc)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
switch (enc->cmd) {
|
|
case V4L2_ENC_CMD_START:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
|
|
enc->flags = 0;
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_STOP:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
|
|
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_PAUSE:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
|
|
enc->flags = 0;
|
|
break;
|
|
|
|
case V4L2_ENC_CMD_RESUME:
|
|
CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
|
|
enc->flags = 0;
|
|
break;
|
|
|
|
default:
|
|
CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cx18_log_status(struct file *file, void *fh)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
struct v4l2_input vidin;
|
|
struct v4l2_audio audin;
|
|
int i;
|
|
|
|
CX18_INFO("================= START STATUS CARD #%d "
|
|
"=================\n", cx->instance);
|
|
CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
|
|
if (cx->hw_flags & CX18_HW_TVEEPROM) {
|
|
struct tveeprom tv;
|
|
|
|
cx18_read_eeprom(cx, &tv);
|
|
}
|
|
cx18_call_all(cx, core, log_status);
|
|
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);
|
|
mutex_lock(&cx->gpio_lock);
|
|
CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
|
|
cx->gpio_dir, cx->gpio_val);
|
|
mutex_unlock(&cx->gpio_lock);
|
|
CX18_INFO("Tuner: %s\n",
|
|
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
|
|
cx2341x_log_status(&cx->params, cx->v4l2_dev.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->video_dev == 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,
|
|
atomic_read(&s->q_full.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->instance);
|
|
return 0;
|
|
}
|
|
|
|
static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
|
|
{
|
|
struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
|
|
|
|
switch (cmd) {
|
|
case VIDIOC_INT_S_AUDIO_ROUTING: {
|
|
struct v4l2_routing *route = arg;
|
|
|
|
CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
|
|
route->input, route->output);
|
|
cx18_call_hw(cx, cx->card->hw_audio_ctrl, audio, s_routing,
|
|
route);
|
|
break;
|
|
}
|
|
|
|
case VIDIOC_INT_RESET: {
|
|
u32 val = *(u32 *)arg;
|
|
|
|
if ((val == 0) || (val & 0x01))
|
|
cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
|
|
(u32) CX18_GPIO_RESET_Z8F0811);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
struct video_device *vfd = video_devdata(filp);
|
|
struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
|
|
struct cx18 *cx = id->cx;
|
|
long res;
|
|
|
|
mutex_lock(&cx->serialize_lock);
|
|
|
|
/* FIXME - consolidate v4l2_prio_check()'s here */
|
|
|
|
if (cx18_debug & CX18_DBGFLG_IOCTL)
|
|
vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
|
|
res = video_ioctl2(filp, cmd, arg);
|
|
vfd->debug = 0;
|
|
mutex_unlock(&cx->serialize_lock);
|
|
return res;
|
|
}
|
|
|
|
static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
|
|
.vidioc_querycap = cx18_querycap,
|
|
.vidioc_g_priority = cx18_g_priority,
|
|
.vidioc_s_priority = cx18_s_priority,
|
|
.vidioc_s_audio = cx18_s_audio,
|
|
.vidioc_g_audio = cx18_g_audio,
|
|
.vidioc_enumaudio = cx18_enumaudio,
|
|
.vidioc_enum_input = cx18_enum_input,
|
|
.vidioc_cropcap = cx18_cropcap,
|
|
.vidioc_s_crop = cx18_s_crop,
|
|
.vidioc_g_crop = cx18_g_crop,
|
|
.vidioc_g_input = cx18_g_input,
|
|
.vidioc_s_input = cx18_s_input,
|
|
.vidioc_g_frequency = cx18_g_frequency,
|
|
.vidioc_s_frequency = cx18_s_frequency,
|
|
.vidioc_s_tuner = cx18_s_tuner,
|
|
.vidioc_g_tuner = cx18_g_tuner,
|
|
.vidioc_g_enc_index = cx18_g_enc_index,
|
|
.vidioc_g_std = cx18_g_std,
|
|
.vidioc_s_std = cx18_s_std,
|
|
.vidioc_log_status = cx18_log_status,
|
|
.vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap,
|
|
.vidioc_encoder_cmd = cx18_encoder_cmd,
|
|
.vidioc_try_encoder_cmd = cx18_try_encoder_cmd,
|
|
.vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap,
|
|
.vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap,
|
|
.vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap,
|
|
.vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap,
|
|
.vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap,
|
|
.vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap,
|
|
.vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap,
|
|
.vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
|
|
.vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
|
|
.vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
|
|
.vidioc_g_chip_ident = cx18_g_chip_ident,
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
.vidioc_g_register = cx18_g_register,
|
|
.vidioc_s_register = cx18_s_register,
|
|
#endif
|
|
.vidioc_default = cx18_default,
|
|
.vidioc_queryctrl = cx18_queryctrl,
|
|
.vidioc_querymenu = cx18_querymenu,
|
|
.vidioc_g_ext_ctrls = cx18_g_ext_ctrls,
|
|
.vidioc_s_ext_ctrls = cx18_s_ext_ctrls,
|
|
.vidioc_try_ext_ctrls = cx18_try_ext_ctrls,
|
|
};
|
|
|
|
void cx18_set_funcs(struct video_device *vdev)
|
|
{
|
|
vdev->ioctl_ops = &cx18_ioctl_ops;
|
|
}
|