diff options
Diffstat (limited to 'drivers/media/radio/dsbr100.c')
| -rw-r--r-- | drivers/media/radio/dsbr100.c | 198 |
1 files changed, 127 insertions, 71 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index f7e33f9ee8e9..db865a0667e5 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -33,8 +33,14 @@ 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 + Markus: Updates for 2.6.x kernels, code layout changes, name sanitizing Version 0.30: Markus: Updates for 2.5.x kernel and more ISO compliant source @@ -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; - - 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"); + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *v = arg; + memset(v,0,sizeof(*v)); + 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; - dsbr100_getstat(radio); - if(v->tuner) /* Only 1 tuner */ + if (v->index > 0) return -EINVAL; + + dsbr100_getstat(radio); + + 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"); - return 0; - } - case VIDIOCSTUNER: { - struct video_tuner *v = arg; + 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 */ - if(v->tuner!=0) - return -EINVAL; - /* Only 1 tuner so no setting needed ! */ return 0; } - case VIDIOCGFREQ: { - int *freq = arg; + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *v = arg; - if (radio->curfreq==-1) + if (v->index > 0) return -EINVAL; - *freq = radio->curfreq; + return 0; } - case VIDIOCSFREQ: { - int *freq = arg; + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = 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; - - 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"); + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + f->type = V4L2_TUNER_RADIO; + f->frequency = radio->curfreq; + return 0; } - case VIDIOCSAUDIO: { - struct video_audio *v = arg; - - if (v->audio) - return -EINVAL; - if (v->flags&VIDEO_AUDIO_MUTE) { - if (dsbr100_stop(radio)==-1) - warn("Radio did not respond properly"); + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *qc = arg; + int i; + + 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; + } } - else - if (dsbr100_start(radio)==-1) - warn("Radio did not respond properly"); - return 0; + return -EINVAL; + } + 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 { + 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; |