V4L/DVB (4410): Cleanups and fixes for dsbr100
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
parent
c0c7fa0966
commit
5aff308c5e
2 changed files with 126 additions and 70 deletions
|
@ -352,7 +352,7 @@ config RADIO_ZOLTRIX_PORT
|
|||
|
||||
config USB_DSBR
|
||||
tristate "D-Link USB FM radio support (EXPERIMENTAL)"
|
||||
depends on USB && VIDEO_V4L1 && EXPERIMENTAL
|
||||
depends on USB && VIDEO_V4L2 && EXPERIMENTAL
|
||||
---help---
|
||||
Say Y here if you want to connect this type of radio to your
|
||||
computer's USB port. Note that the audio is not digital, and
|
||||
|
|
|
@ -33,6 +33,12 @@
|
|||
|
||||
History:
|
||||
|
||||
Version 0.41-ac1:
|
||||
Alan Cox: Some cleanups and fixes
|
||||
|
||||
Version 0.41:
|
||||
Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
|
||||
|
||||
Version 0.40:
|
||||
Markus: Updates for 2.6.x kernels, code layout changes, name sanitizing
|
||||
|
||||
|
@ -65,13 +71,12 @@
|
|||
|
||||
*/
|
||||
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/videodev.h>
|
||||
#include <linux/videodev2.h>
|
||||
#include <media/v4l2-common.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/smp_lock.h>
|
||||
|
@ -79,7 +84,22 @@
|
|||
/*
|
||||
* Version Information
|
||||
*/
|
||||
#define DRIVER_VERSION "v0.40"
|
||||
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
|
||||
|
||||
#define DRIVER_VERSION "v0.41"
|
||||
#define RADIO_VERSION KERNEL_VERSION(0,4,1)
|
||||
|
||||
static struct v4l2_queryctrl radio_qctrl[] = {
|
||||
{
|
||||
.id = V4L2_CID_AUDIO_MUTE,
|
||||
.name = "Mute",
|
||||
.minimum = 0,
|
||||
.maximum = 1,
|
||||
.default_value = 1,
|
||||
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||||
}
|
||||
};
|
||||
|
||||
#define DRIVER_AUTHOR "Markus Demleitner <msdemlei@tucana.harvard.edu>"
|
||||
#define DRIVER_DESC "D-Link DSB-R100 USB FM radio driver"
|
||||
|
||||
|
@ -111,7 +131,7 @@ static int radio_nr = -1;
|
|||
module_param(radio_nr, int, 0);
|
||||
|
||||
/* Data for one (physical) device */
|
||||
typedef struct {
|
||||
struct dsbr100_device {
|
||||
struct usb_device *usbdev;
|
||||
struct video_device *videodev;
|
||||
unsigned char transfer_buffer[TB_LEN];
|
||||
|
@ -119,7 +139,8 @@ typedef struct {
|
|||
int stereo;
|
||||
int users;
|
||||
int removed;
|
||||
} dsbr100_device;
|
||||
int muted;
|
||||
};
|
||||
|
||||
|
||||
/* File system interface */
|
||||
|
@ -138,7 +159,6 @@ static struct video_device dsbr100_videodev_template=
|
|||
.owner = THIS_MODULE,
|
||||
.name = "D-Link DSB-R 100",
|
||||
.type = VID_TYPE_TUNER,
|
||||
.hardware = VID_HARDWARE_AZTECH,
|
||||
.fops = &usb_dsbr100_fops,
|
||||
.release = video_device_release,
|
||||
};
|
||||
|
@ -161,7 +181,7 @@ static struct usb_driver usb_dsbr100_driver = {
|
|||
/* Low-level device interface begins here */
|
||||
|
||||
/* switch on radio */
|
||||
static int dsbr100_start(dsbr100_device *radio)
|
||||
static int dsbr100_start(struct dsbr100_device *radio)
|
||||
{
|
||||
if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
|
||||
USB_REQ_GET_STATUS,
|
||||
|
@ -172,12 +192,13 @@ static int dsbr100_start(dsbr100_device *radio)
|
|||
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
|
||||
0x01, 0x00, radio->transfer_buffer, 8, 300)<0)
|
||||
return -1;
|
||||
radio->muted=0;
|
||||
return (radio->transfer_buffer)[0];
|
||||
}
|
||||
|
||||
|
||||
/* switch off radio */
|
||||
static int dsbr100_stop(dsbr100_device *radio)
|
||||
static int dsbr100_stop(struct dsbr100_device *radio)
|
||||
{
|
||||
if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
|
||||
USB_REQ_GET_STATUS,
|
||||
|
@ -188,11 +209,12 @@ static int dsbr100_stop(dsbr100_device *radio)
|
|||
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
|
||||
0x00, 0x00, radio->transfer_buffer, 8, 300)<0)
|
||||
return -1;
|
||||
radio->muted=1;
|
||||
return (radio->transfer_buffer)[0];
|
||||
}
|
||||
|
||||
/* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */
|
||||
static int dsbr100_setfreq(dsbr100_device *radio, int freq)
|
||||
static int dsbr100_setfreq(struct dsbr100_device *radio, int freq)
|
||||
{
|
||||
freq = (freq/16*80)/1000+856;
|
||||
if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
|
||||
|
@ -217,7 +239,7 @@ static int dsbr100_setfreq(dsbr100_device *radio, int freq)
|
|||
|
||||
/* return the device status. This is, in effect, just whether it
|
||||
sees a stereo signal or not. Pity. */
|
||||
static void dsbr100_getstat(dsbr100_device *radio)
|
||||
static void dsbr100_getstat(struct dsbr100_device *radio)
|
||||
{
|
||||
if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
|
||||
USB_REQ_GET_STATUS,
|
||||
|
@ -236,9 +258,9 @@ usb if it is */
|
|||
static int usb_dsbr100_probe(struct usb_interface *intf,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
dsbr100_device *radio;
|
||||
struct dsbr100_device *radio;
|
||||
|
||||
if (!(radio = kmalloc(sizeof(dsbr100_device), GFP_KERNEL)))
|
||||
if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL)))
|
||||
return -ENOMEM;
|
||||
if (!(radio->videodev = video_device_alloc())) {
|
||||
kfree(radio);
|
||||
|
@ -271,7 +293,7 @@ code I'd expect I better did that, but if there's a memory
|
|||
leak here it's tiny (~50 bytes per disconnect) */
|
||||
static void usb_dsbr100_disconnect(struct usb_interface *intf)
|
||||
{
|
||||
dsbr100_device *radio = usb_get_intfdata(intf);
|
||||
struct dsbr100_device *radio = usb_get_intfdata(intf);
|
||||
|
||||
usb_set_intfdata (intf, NULL);
|
||||
if (radio) {
|
||||
|
@ -291,89 +313,121 @@ static void usb_dsbr100_disconnect(struct usb_interface *intf)
|
|||
static int usb_dsbr100_do_ioctl(struct inode *inode, struct file *file,
|
||||
unsigned int cmd, void *arg)
|
||||
{
|
||||
dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
struct dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
|
||||
if (!radio)
|
||||
return -EIO;
|
||||
|
||||
switch(cmd) {
|
||||
case VIDIOCGCAP: {
|
||||
struct video_capability *v = arg;
|
||||
|
||||
case VIDIOC_QUERYCAP:
|
||||
{
|
||||
struct v4l2_capability *v = arg;
|
||||
memset(v,0,sizeof(*v));
|
||||
v->type = VID_TYPE_TUNER;
|
||||
v->channels = 1;
|
||||
v->audios = 1;
|
||||
strcpy(v->name, "D-Link R-100 USB FM Radio");
|
||||
strlcpy(v->driver, "dsbr100", sizeof (v->driver));
|
||||
strlcpy(v->card, "D-Link R-100 USB FM Radio", sizeof (v->card));
|
||||
sprintf(v->bus_info,"ISA");
|
||||
v->version = RADIO_VERSION;
|
||||
v->capabilities = V4L2_CAP_TUNER;
|
||||
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGTUNER: {
|
||||
struct video_tuner *v = arg;
|
||||
case VIDIOC_G_TUNER:
|
||||
{
|
||||
struct v4l2_tuner *v = arg;
|
||||
|
||||
if (v->index > 0)
|
||||
return -EINVAL;
|
||||
|
||||
dsbr100_getstat(radio);
|
||||
if(v->tuner) /* Only 1 tuner */
|
||||
return -EINVAL;
|
||||
|
||||
memset(v,0,sizeof(*v));
|
||||
strcpy(v->name, "FM");
|
||||
v->type = V4L2_TUNER_RADIO;
|
||||
|
||||
v->rangelow = FREQ_MIN*FREQ_MUL;
|
||||
v->rangehigh = FREQ_MAX*FREQ_MUL;
|
||||
v->flags = VIDEO_TUNER_LOW;
|
||||
v->mode = VIDEO_MODE_AUTO;
|
||||
v->signal = radio->stereo*0x7000;
|
||||
/* Don't know how to get signal strength */
|
||||
v->flags |= VIDEO_TUNER_STEREO_ON*radio->stereo;
|
||||
strcpy(v->name, "DSB R-100");
|
||||
v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
|
||||
v->capability=V4L2_TUNER_CAP_LOW;
|
||||
if(radio->stereo)
|
||||
v->audmode = V4L2_TUNER_MODE_STEREO;
|
||||
else
|
||||
v->audmode = V4L2_TUNER_MODE_MONO;
|
||||
v->signal = 0xFFFF; /* We can't get the signal strength */
|
||||
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSTUNER: {
|
||||
struct video_tuner *v = arg;
|
||||
case VIDIOC_S_TUNER:
|
||||
{
|
||||
struct v4l2_tuner *v = arg;
|
||||
|
||||
if(v->tuner!=0)
|
||||
if (v->index > 0)
|
||||
return -EINVAL;
|
||||
/* Only 1 tuner so no setting needed ! */
|
||||
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGFREQ: {
|
||||
int *freq = arg;
|
||||
case VIDIOC_S_FREQUENCY:
|
||||
{
|
||||
struct v4l2_frequency *f = arg;
|
||||
|
||||
if (radio->curfreq==-1)
|
||||
return -EINVAL;
|
||||
*freq = radio->curfreq;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSFREQ: {
|
||||
int *freq = arg;
|
||||
|
||||
radio->curfreq = *freq;
|
||||
radio->curfreq = f->frequency;
|
||||
if (dsbr100_setfreq(radio, radio->curfreq)==-1)
|
||||
warn("Set frequency failed");
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGAUDIO: {
|
||||
struct video_audio *v = arg;
|
||||
case VIDIOC_G_FREQUENCY:
|
||||
{
|
||||
struct v4l2_frequency *f = arg;
|
||||
|
||||
f->type = V4L2_TUNER_RADIO;
|
||||
f->frequency = radio->curfreq;
|
||||
|
||||
memset(v, 0, sizeof(*v));
|
||||
v->flags |= VIDEO_AUDIO_MUTABLE;
|
||||
v->mode = VIDEO_SOUND_STEREO;
|
||||
v->volume = 1;
|
||||
v->step = 1;
|
||||
strcpy(v->name, "Radio");
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSAUDIO: {
|
||||
struct video_audio *v = arg;
|
||||
case VIDIOC_QUERYCTRL:
|
||||
{
|
||||
struct v4l2_queryctrl *qc = arg;
|
||||
int i;
|
||||
|
||||
if (v->audio)
|
||||
for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
|
||||
if (qc->id && qc->id == radio_qctrl[i].id) {
|
||||
memcpy(qc, &(radio_qctrl[i]),
|
||||
sizeof(*qc));
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -EINVAL;
|
||||
if (v->flags&VIDEO_AUDIO_MUTE) {
|
||||
}
|
||||
case VIDIOC_G_CTRL:
|
||||
{
|
||||
struct v4l2_control *ctrl= arg;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_AUDIO_MUTE:
|
||||
ctrl->value=radio->muted;
|
||||
return 0;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
case VIDIOC_S_CTRL:
|
||||
{
|
||||
struct v4l2_control *ctrl= arg;
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_AUDIO_MUTE:
|
||||
if (ctrl->value) {
|
||||
if (dsbr100_stop(radio)==-1)
|
||||
warn("Radio did not respond properly");
|
||||
}
|
||||
else
|
||||
} else {
|
||||
if (dsbr100_start(radio)==-1)
|
||||
warn("Radio did not respond properly");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
default:
|
||||
return -ENOIOCTLCMD;
|
||||
return v4l_compat_translate_ioctl(inode,file,cmd,arg,
|
||||
usb_dsbr100_do_ioctl);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -385,9 +439,11 @@ static int usb_dsbr100_ioctl(struct inode *inode, struct file *file,
|
|||
|
||||
static int usb_dsbr100_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
struct dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
|
||||
radio->users = 1;
|
||||
radio->muted = 1;
|
||||
|
||||
if (dsbr100_start(radio)<0) {
|
||||
warn("Radio did not start up properly");
|
||||
radio->users = 0;
|
||||
|
@ -399,7 +455,7 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
|
|||
|
||||
static int usb_dsbr100_close(struct inode *inode, struct file *file)
|
||||
{
|
||||
dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
struct dsbr100_device *radio=video_get_drvdata(video_devdata(file));
|
||||
|
||||
if (!radio)
|
||||
return -ENODEV;
|
||||
|
|
Reference in a new issue