/*
* cx18 ioctl system call
*
* Derived from ivtv-ioctl.c
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*/
#include "cx18-driver.h"
#include "cx18-version.h"
#include "cx18-mailbox.h"
#include "cx18-i2c.h"
#include "cx18-queue.h"
#include "cx18-fileops.h"
#include "cx18-vbi.h"
#include "cx18-audio.h"
#include "cx18-video.h"
#include "cx18-streams.h"
#include "cx18-ioctl.h"
#include "cx18-gpio.h"
#include "cx18-controls.h"
#include "cx18-cards.h"
#include "cx18-av-core.h"
#include <media/tveeprom.h>
#include <media/v4l2-chip-ident.h>
#include <linux/i2c-id.h>
u16 cx18_service2vbi(int type)
{
switch (type) {
case V4L2_SLICED_TELETEXT_B:
return CX18_SLICED_TYPE_TELETEXT_B;
case V4L2_SLICED_CAPTION_525:
return CX18_SLICED_TYPE_CAPTION_525;
case V4L2_SLICED_WSS_625:
return CX18_SLICED_TYPE_WSS_625;
case V4L2_SLICED_VPS:
return CX18_SLICED_TYPE_VPS;
default:
return 0;
}
}
static int valid_service_line(int field, int line, int is_pal)
{
return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
(!is_pal && line >= 10 && line < 22);
}
static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
{
u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
int i;
set = set & valid_set;
if (set == 0 || !valid_service_line(field, line, is_pal))
return 0;
if (!is_pal) {
if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
return V4L2_SLICED_CAPTION_525;
} else {
if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
return V4L2_SLICED_VPS;
if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
return V4L2_SLICED_WSS_625;
if (line == 23)
return 0;
}
for (i = 0; i < 32; i++) {
if ((1 << i) & set)
return 1 << i;
}
return 0;
}
void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
{
u16 set = fmt->service_set;
int f, l;
fmt->service_set = 0;
for (f = 0; f < 2; f++) {
for (l = 0; l < 24; l++)
fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
}
}
static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
{
int f, l;
u16 set = 0;
for (f = 0; f < 2; f++) {
for (l = 0; l < 24; l++) {
fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
set |= fmt->service_lines[f][l];
}
}
return set != 0;
}
u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
{
int f, l;
u16 set = 0;
for (f = 0; f < 2; f++) {
for (l = 0; l < 24; l++)
set |= fmt->service_lines[f][l];
}
return set;
}
static const struct {
v4l2_std_id std;
char *name;
} enum_stds[] = {
{ V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
{ V4L2_STD_PAL_DK, "PAL-DK" },
{ V4L2_STD_PAL_I, "PAL-I" },
{ V4L2_STD_PAL_M, "PAL-M" },
{ V4L2_STD_PAL_N, "PAL-N" },
{ V4L2_STD_PAL_Nc, "PAL-Nc" },
{ V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
{ V4L2_STD_SECAM_DK, "SECAM-DK" },
{ V4L2_STD_SECAM_L, "SECAM-L" },
{ V4L2_STD_SECAM_LC, "SECAM-L'" },
{ V4L2_STD_NTSC_M, "NTSC-M" },
{ V4L2_STD_NTSC_M_JP, "NTSC-J" },
{ V4L2_STD_NTSC_M_KR, "NTSC-K" },
};
static const struct v4l2_standard cx18_std_60hz = {
.frameperiod = {.numerator = 1001, .denominator = 30000},
.framelines = 525,
};
static const struct v4l2_standard cx18_std_50hz = {
.frameperiod = { .numerator = 1, .denominator = 25 },
.framelines = 625,
};
static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
{
struct v4l2_register *regs = arg;
unsigned long flags;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
spin_lock_irqsave(&cx18_cards_lock, flags);
if (cmd == VIDIOC_DBG_G_REGISTER)
regs->val = read_enc(regs->reg);
else
write_enc(regs->val, regs->reg);
spin_unlock_irqrestore(&cx18_cards_lock, flags);
return 0;
}
static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt)
{
switch (fmt->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
fmt->fmt.pix.width = cx->params.width;
fmt->fmt.pix.height = cx->params.height;
fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
if (streamtype == CX18_ENC_STREAM_TYPE_YUV) {
fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
/* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
fmt->fmt.pix.sizeimage =
fmt->fmt.pix.height * fmt->fmt.pix.width +
fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
} else {
fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
fmt->fmt.pix.sizeimage = 128 * 1024;
}
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
fmt->fmt.vbi.sampling_rate = 27000000;
fmt->fmt.vbi.offset = 248;
fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4;
fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
fmt->fmt.vbi.start[0] = cx->vbi.start[0];
fmt->fmt.vbi.start[1] = cx->vbi.start[1];
fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count;
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
{
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
cx18_av_cmd(cx, VIDIOC_G_FMT, fmt);
vbifmt->service_set = cx18_get_service_set(vbifmt);
break;
}
default:
return -EINVAL;
}
return 0;
}
static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype,
struct v4l2_format *fmt, int set_fmt)
{
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
u16 set;
/* set window size */
if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
int w = fmt->fmt.pix.width;
int h = fmt->fmt.pix.height;
if (w > 720)
w = 720;
else if (w < 1)
w = 1;
if (h > (cx->is_50hz ? 576 : 480))
h = (cx->is_50hz ? 576 : 480);
else if (h < 2)
h = 2;
cx18_get_fmt(cx, streamtype, fmt);
fmt->fmt.pix.width = w;
fmt->fmt.pix.height = h;
if (!set_fmt || (cx->params.width == w && cx->params.height == h))
return 0;
if (atomic_read(&cx->capturing) > 0)
return -EBUSY;
cx->params.width = w;
cx->params.height = h;
if (w != 720 || h != (cx->is_50hz ? 576 : 480))
cx->params.video_temporal_filter = 0;
else
cx->params.video_temporal_filter = 8;
cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
return cx18_get_fmt(cx, streamtype, fmt);
}
/* set raw VBI format */
if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI &&
cx->vbi.sliced_in->service_set &&
atomic_read(&cx->capturing) > 0)
return -EBUSY;
if (set_fmt) {
cx->vbi.sliced_in->service_set = 0;
cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in);
}
return cx18_get_fmt(cx, streamtype, fmt);
}
/* any else but sliced VBI capture is an error */
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
/* TODO: implement sliced VBI, for now silently return 0 */
return 0;
/* set sliced VBI capture format */
vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
if (vbifmt->service_set)
cx18_expand_service_set(vbifmt, cx->is_50hz);
set = check_service_set(vbifmt, cx->is_50hz);
vbifmt->service_set = cx18_get_service_set(vbifmt);
if (!set_fmt)
return 0;
if (set == 0)
return -EINVAL;
if (atomic_read(&cx->capturing) > 0 && cx->vbi.sliced_in->service_set == 0)
return -EBUSY;
cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
return 0;
}
static int cx18_debug_ioctls(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;
struct v4l2_register *reg = arg;
switch (cmd) {
/* ioctls to allow direct access to the encoder registers for testing */
case VIDIOC_DBG_G_REGISTER:
if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
return cx18_cxc(cx, cmd, arg);
if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
case VIDIOC_DBG_S_REGISTER:
if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
return cx18_cxc(cx, cmd, arg);
if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
case VIDIOC_G_CHIP_IDENT: {
struct v4l2_chip_ident *chip = arg;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
struct v4l2_chip_ident *chip = arg;
chip->ident = V4L2_IDENT_CX23418;
}
return 0;
}
if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
return cx18_i2c_id(cx, reg->match_chip, cmd, arg);
if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg);
return -EINVAL;
}
case VIDIOC_INT_S_AUDIO_ROUTING: {
struct v4l2_routing *route = arg;
cx18_audio_set_route(cx, route);
break;
}
default:
return -EINVAL;
}
return 0;
}
int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg)
{
struct cx18_open_id *id = NULL;
if (filp)
id = (struct cx18_open_id *)filp->private_data;
switch (cmd) {
case VIDIOC_G_PRIORITY:
{
enum v4l2_priority *p = arg;
*p = v4l2_prio_max(&cx->prio);
break;
}
case VIDIOC_S_PRIORITY:
{
enum v4l2_priority *prio = arg;
return v4l2_prio_change(&cx->prio, &id->prio, *prio);
}
case VIDIOC_QUERYCAP:{
struct v4l2_capability *vcap = arg;
memset(vcap, 0, sizeof(*vcap));
strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
vcap->version = CX18_DRIVER_VERSION; /* version */
vcap->capabilities = cx->v4l2_cap; /* capabilities */
/* reserved.. must set to 0! */
vcap->reserved[0] = vcap->reserved[1] =
vcap->reserved[2] = vcap->reserved[3] = 0;
break;
}
case VIDIOC_ENUMAUDIO:{
struct v4l2_audio *vin = arg;
return cx18_get_audio_input(cx, vin->index, vin);
}
case VIDIOC_G_AUDIO:{
struct v4l2_audio *vin = arg;
vin->index = cx->audio_input;
return cx18_get_audio_input(cx, vin->index, vin);
}
case VIDIOC_S_AUDIO:{
struct v4l2_audio *vout = arg;
if (vout->index >= cx->nof_audio_inputs)
return -EINVAL;
cx->audio_input = vout->index;
cx18_audio_set_io(cx);
break;
}
case VIDIOC_ENUMINPUT:{
struct v4l2_input *vin = arg;
/* set it to defaults from our table */
return cx18_get_input(cx, vin->index, vin);
}
case VIDIOC_TRY_FMT:
case VIDIOC_S_FMT: {
struct v4l2_format *fmt = arg;
return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT);
}
case VIDIOC_G_FMT: {
struct v4l2_format *fmt = arg;
int type = fmt->type;
memset(fmt, 0, sizeof(*fmt));
fmt->type = type;
return cx18_get_fmt(cx, id->type, fmt);
}
case VIDIOC_CROPCAP: {
struct v4l2_cropcap *cropcap = arg;
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->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->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->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;
}
