X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fradio%2Fradio-aimslab.c;h=3368a89bfadbe356d0b4a7ed46ee3389ea3a3bef;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=914deab4e04440c462e28a28998ff2c8c2e92141;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index 914deab4e..3368a89bf 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -1,5 +1,6 @@ /* radiotrack (radioreveal) driver for Linux radio support * (c) 1997 M. Kirkwood + * Converted to V4L2 API by Mauro Carvalho Chehab * Converted to new API by Alan Cox * Various bugfixes and enhancements by Russell Kroll * @@ -24,7 +25,7 @@ * out(port, start_increasing_volume); * wait(a_wee_while); * out(port, stop_changing_the_volume); - * + * */ #include /* Modules */ @@ -33,17 +34,20 @@ #include /* udelay */ #include /* outb, outb_p */ #include /* copy to/from user */ -#include /* kernel radio structs */ -#include /* CONFIG_RADIO_RTRACK_PORT */ +#include /* kernel radio structs */ +#include #include /* Lock for the I/O */ +#include /* for KERNEL_VERSION MACRO */ +#define RADIO_VERSION KERNEL_VERSION(0,0,2) + #ifndef CONFIG_RADIO_RTRACK_PORT #define CONFIG_RADIO_RTRACK_PORT -1 #endif -static int io = CONFIG_RADIO_RTRACK_PORT; +static int io = CONFIG_RADIO_RTRACK_PORT; static int radio_nr = -1; -static struct semaphore lock; +static struct mutex lock; struct rt_device { @@ -83,23 +87,23 @@ static void rt_incvol(void) static void rt_mute(struct rt_device *dev) { dev->muted = 1; - down(&lock); + mutex_lock(&lock); outb(0xd0, io); /* volume steady, off */ - up(&lock); + mutex_unlock(&lock); } static int rt_setvol(struct rt_device *dev, int vol) { int i; - down(&lock); - + mutex_lock(&lock); + if(vol == dev->curvol) { /* requested volume = current */ if (dev->muted) { /* user is unmuting the card */ dev->muted = 0; outb (0xd8, io); /* enable card */ - } - up(&lock); + } + mutex_unlock(&lock); return 0; } @@ -108,24 +112,24 @@ static int rt_setvol(struct rt_device *dev, int vol) sleep_delay(2000000); /* make sure it's totally down */ outb(0xd0, io); /* volume steady, off */ dev->curvol = 0; /* track the volume state! */ - up(&lock); + mutex_unlock(&lock); return 0; } dev->muted = 0; if(vol > dev->curvol) - for(i = dev->curvol; i < vol; i++) + for(i = dev->curvol; i < vol; i++) rt_incvol(); else - for(i = dev->curvol; i > vol; i--) + for(i = dev->curvol; i > vol; i--) rt_decvol(); dev->curvol = vol; - up(&lock); + mutex_unlock(&lock); return 0; } -/* the 128+64 on these outb's is to keep the volume stable while tuning +/* the 128+64 on these outb's is to keep the volume stable while tuning * without them, the volume _will_ creep up with each frequency change * and bit 4 (+16) is to keep the signal strength meter enabled */ @@ -140,7 +144,7 @@ static void send_0_byte(int port, struct rt_device *dev) outb_p(128+64+16+8+ 1, port); /* on + wr-enable + data low */ outb_p(128+64+16+8+2+1, port); /* clock */ } - sleep_delay(1000); + sleep_delay(1000); } static void send_1_byte(int port, struct rt_device *dev) @@ -148,13 +152,13 @@ static void send_1_byte(int port, struct rt_device *dev) if ((dev->curvol == 0) || (dev->muted)) { outb_p(128+64+16+4 +1, port); /* wr-enable+data high */ outb_p(128+64+16+4+2+1, port); /* clock */ - } + } else { outb_p(128+64+16+8+4 +1, port); /* on+wr-enable+data high */ outb_p(128+64+16+8+4+2+1, port); /* clock */ } - sleep_delay(1000); + sleep_delay(1000); } static int rt_setfreq(struct rt_device *dev, unsigned long freq) @@ -167,9 +171,9 @@ static int rt_setfreq(struct rt_device *dev, unsigned long freq) freq += 171200; /* Add 10.7 MHz IF */ freq /= 800; /* Convert to 50 kHz units */ - - down(&lock); /* Stop other ops interfering */ - + + mutex_lock(&lock); /* Stop other ops interfering */ + send_0_byte (io, dev); /* 0: LSB of frequency */ for (i = 0; i < 13; i++) /* : frequency bits (1-13) */ @@ -195,8 +199,8 @@ static int rt_setfreq(struct rt_device *dev, unsigned long freq) outb (0xd0, io); /* volume steady + sigstr */ else outb (0xd8, io); /* volume steady + sigstr + on */ - - up(&lock); + + mutex_unlock(&lock); return 0; } @@ -208,81 +212,141 @@ static int rt_getsigstr(struct rt_device *dev) return 1; /* signal present */ } +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, + },{ + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0xff, + .type = V4L2_CTRL_TYPE_INTEGER, + } +}; + static int rt_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct video_device *dev = video_devdata(file); struct rt_device *rt=dev->priv; - + switch(cmd) { - case VIDIOCGCAP: + case VIDIOC_QUERYCAP: { - struct video_capability *v = arg; + struct v4l2_capability *v = arg; memset(v,0,sizeof(*v)); - v->type=VID_TYPE_TUNER; - v->channels=1; - v->audios=1; - strcpy(v->name, "RadioTrack"); + strlcpy(v->driver, "radio-aimslab", sizeof (v->driver)); + strlcpy(v->card, "RadioTrack", sizeof (v->card)); + sprintf(v->bus_info,"ISA"); + v->version = RADIO_VERSION; + v->capabilities = V4L2_CAP_TUNER; + return 0; } - case VIDIOCGTUNER: + case VIDIOC_G_TUNER: { - struct video_tuner *v = arg; - if(v->tuner) /* Only 1 tuner */ + struct v4l2_tuner *v = arg; + + if (v->index > 0) return -EINVAL; + + memset(v,0,sizeof(*v)); + strcpy(v->name, "FM"); + v->type = V4L2_TUNER_RADIO; + v->rangelow=(87*16000); v->rangehigh=(108*16000); - v->flags=VIDEO_TUNER_LOW; - v->mode=VIDEO_MODE_AUTO; - strcpy(v->name, "FM"); + v->rxsubchans =V4L2_TUNER_SUB_MONO; + v->capability=V4L2_TUNER_CAP_LOW; + v->audmode = V4L2_TUNER_MODE_MONO; v->signal=0xFFFF*rt_getsigstr(rt); + return 0; } - case VIDIOCSTUNER: + case VIDIOC_S_TUNER: { - struct video_tuner *v = arg; - if(v->tuner!=0) + struct v4l2_tuner *v = arg; + + if (v->index > 0) return -EINVAL; - /* Only 1 tuner so no setting needed ! */ + return 0; } - case VIDIOCGFREQ: + case VIDIOC_S_FREQUENCY: { - unsigned long *freq = arg; - *freq = rt->curfreq; + struct v4l2_frequency *f = arg; + + rt->curfreq = f->frequency; + rt_setfreq(rt, rt->curfreq); return 0; } - case VIDIOCSFREQ: + case VIDIOC_G_FREQUENCY: { - unsigned long *freq = arg; - rt->curfreq = *freq; - rt_setfreq(rt, rt->curfreq); + struct v4l2_frequency *f = arg; + + f->type = V4L2_TUNER_RADIO; + f->frequency = rt->curfreq; + return 0; } - case VIDIOCGAUDIO: - { - struct video_audio *v = arg; - memset(v,0, sizeof(*v)); - v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME; - v->volume=rt->curvol * 6554; - v->step=6554; - strcpy(v->name, "Radio"); - return 0; + 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); + } + } + return -EINVAL; } - case VIDIOCSAUDIO: + case VIDIOC_G_CTRL: { - struct video_audio *v = arg; - if(v->audio) - return -EINVAL; - if(v->flags&VIDEO_AUDIO_MUTE) - rt_mute(rt); - else - rt_setvol(rt,v->volume/6554); - return 0; + struct v4l2_control *ctrl= arg; + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + ctrl->value=rt->muted; + return (0); + case V4L2_CID_AUDIO_VOLUME: + ctrl->value=rt->curvol * 6554; + return (0); + } + return -EINVAL; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl= arg; + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + if (ctrl->value) { + rt_mute(rt); + } else { + rt_setvol(rt,rt->curvol); + } + return (0); + case V4L2_CID_AUDIO_VOLUME: + rt_setvol(rt,ctrl->value); + return (0); + } + return -EINVAL; } + default: - return -ENOIOCTLCMD; + return v4l_compat_translate_ioctl(inode,file,cmd,arg, + rt_do_ioctl); } } @@ -298,7 +362,7 @@ static struct file_operations rtrack_fops = { .owner = THIS_MODULE, .open = video_exclusive_open, .release = video_exclusive_release, - .ioctl = rt_ioctl, + .ioctl = rt_ioctl, .compat_ioctl = v4l_compat_ioctl32, .llseek = no_llseek, }; @@ -308,7 +372,7 @@ static struct video_device rtrack_radio= .owner = THIS_MODULE, .name = "RadioTrack radio", .type = VID_TYPE_TUNER, - .hardware = VID_HARDWARE_RTRACK, + .hardware = 0, .fops = &rtrack_fops, }; @@ -320,14 +384,14 @@ static int __init rtrack_init(void) return -EINVAL; } - if (!request_region(io, 2, "rtrack")) + if (!request_region(io, 2, "rtrack")) { printk(KERN_ERR "rtrack: port 0x%x already in use\n", io); return -EBUSY; } rtrack_radio.priv=&rtrack_unit; - + if(video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr)==-1) { release_region(io, 2); @@ -336,10 +400,10 @@ static int __init rtrack_init(void) printk(KERN_INFO "AIMSlab RadioTrack/RadioReveal card driver.\n"); /* Set up the I/O locking */ - - init_MUTEX(&lock); - - /* mute card - prevents noisy bootups */ + + mutex_init(&lock); + + /* mute card - prevents noisy bootups */ /* this ensures that the volume is all the way down */ outb(0x48, io); /* volume down but still "on" */