V4L/DVB (10880): radio-aimslab: convert to v4l2_device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>hifive-unleashed-5.1
Hans Verkuil
Mauro Carvalho Chehab
parent
f9996c9562
commit
151c3f8252
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@ -32,14 +32,16 @@
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#include <linux/init.h> /* Initdata */
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#include <linux/ioport.h> /* request_region */
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#include <linux/delay.h> /* udelay */
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#include <asm/io.h> /* outb, outb_p */
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#include <asm/uaccess.h> /* copy to/from user */
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#include <linux/videodev2.h> /* kernel radio structs */
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#include <media/v4l2-common.h>
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#include <linux/io.h> /* outb, outb_p */
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#include <linux/uaccess.h> /* copy to/from user */
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#define RADIO_VERSION KERNEL_VERSION(0,0,2)
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MODULE_AUTHOR("M.Kirkwood");
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MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
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MODULE_LICENSE("GPL");
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#ifndef CONFIG_RADIO_RTRACK_PORT
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#define CONFIG_RADIO_RTRACK_PORT -1
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@ -47,86 +49,95 @@
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static int io = CONFIG_RADIO_RTRACK_PORT;
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static int radio_nr = -1;
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static struct mutex lock;
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struct rt_device
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module_param(io, int, 0);
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MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20f or 0x30f)");
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module_param(radio_nr, int, 0);
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#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
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struct rtrack
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{
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unsigned long in_use;
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struct v4l2_device v4l2_dev;
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struct video_device vdev;
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int port;
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int curvol;
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unsigned long curfreq;
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int muted;
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int io;
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struct mutex lock;
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};
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static struct rtrack rtrack_card;
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/* local things */
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static void sleep_delay(long n)
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{
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/* Sleep nicely for 'n' uS */
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int d=n/msecs_to_jiffies(1000);
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if(!d)
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int d = n / msecs_to_jiffies(1000);
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if (!d)
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udelay(n);
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else
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msleep(jiffies_to_msecs(d));
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}
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static void rt_decvol(void)
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static void rt_decvol(struct rtrack *rt)
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{
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outb(0x58, io); /* volume down + sigstr + on */
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outb(0x58, rt->io); /* volume down + sigstr + on */
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sleep_delay(100000);
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outb(0xd8, io); /* volume steady + sigstr + on */
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outb(0xd8, rt->io); /* volume steady + sigstr + on */
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}
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static void rt_incvol(void)
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static void rt_incvol(struct rtrack *rt)
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{
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outb(0x98, io); /* volume up + sigstr + on */
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outb(0x98, rt->io); /* volume up + sigstr + on */
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sleep_delay(100000);
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outb(0xd8, io); /* volume steady + sigstr + on */
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outb(0xd8, rt->io); /* volume steady + sigstr + on */
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}
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static void rt_mute(struct rt_device *dev)
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static void rt_mute(struct rtrack *rt)
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{
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dev->muted = 1;
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mutex_lock(&lock);
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outb(0xd0, io); /* volume steady, off */
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mutex_unlock(&lock);
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rt->muted = 1;
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mutex_lock(&rt->lock);
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outb(0xd0, rt->io); /* volume steady, off */
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mutex_unlock(&rt->lock);
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}
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static int rt_setvol(struct rt_device *dev, int vol)
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static int rt_setvol(struct rtrack *rt, int vol)
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{
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int i;
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mutex_lock(&lock);
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mutex_lock(&rt->lock);
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if(vol == dev->curvol) { /* requested volume = current */
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if (dev->muted) { /* user is unmuting the card */
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dev->muted = 0;
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outb (0xd8, io); /* enable card */
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if (vol == rt->curvol) { /* requested volume = current */
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if (rt->muted) { /* user is unmuting the card */
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rt->muted = 0;
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outb(0xd8, rt->io); /* enable card */
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}
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mutex_unlock(&lock);
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mutex_unlock(&rt->lock);
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return 0;
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}
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if(vol == 0) { /* volume = 0 means mute the card */
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outb(0x48, io); /* volume down but still "on" */
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if (vol == 0) { /* volume = 0 means mute the card */
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outb(0x48, rt->io); /* volume down but still "on" */
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sleep_delay(2000000); /* make sure it's totally down */
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outb(0xd0, io); /* volume steady, off */
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dev->curvol = 0; /* track the volume state! */
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mutex_unlock(&lock);
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outb(0xd0, rt->io); /* volume steady, off */
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rt->curvol = 0; /* track the volume state! */
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mutex_unlock(&rt->lock);
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return 0;
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}
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dev->muted = 0;
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if(vol > dev->curvol)
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for(i = dev->curvol; i < vol; i++)
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rt_incvol();
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rt->muted = 0;
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if (vol > rt->curvol)
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for (i = rt->curvol; i < vol; i++)
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rt_incvol(rt);
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else
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for(i = dev->curvol; i > vol; i--)
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rt_decvol();
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for (i = rt->curvol; i > vol; i--)
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rt_decvol(rt);
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dev->curvol = vol;
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mutex_unlock(&lock);
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rt->curvol = vol;
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mutex_unlock(&rt->lock);
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return 0;
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}
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@ -135,155 +146,137 @@ static int rt_setvol(struct rt_device *dev, int vol)
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* and bit 4 (+16) is to keep the signal strength meter enabled
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*/
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static void send_0_byte(int port, struct rt_device *dev)
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static void send_0_byte(struct rtrack *rt)
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{
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if ((dev->curvol == 0) || (dev->muted)) {
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outb_p(128+64+16+ 1, port); /* wr-enable + data low */
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outb_p(128+64+16+2+1, port); /* clock */
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if (rt->curvol == 0 || rt->muted) {
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outb_p(128+64+16+ 1, rt->io); /* wr-enable + data low */
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outb_p(128+64+16+2+1, rt->io); /* clock */
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}
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else {
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outb_p(128+64+16+8+ 1, port); /* on + wr-enable + data low */
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outb_p(128+64+16+8+2+1, port); /* clock */
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outb_p(128+64+16+8+ 1, rt->io); /* on + wr-enable + data low */
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outb_p(128+64+16+8+2+1, rt->io); /* clock */
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}
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sleep_delay(1000);
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}
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static void send_1_byte(int port, struct rt_device *dev)
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static void send_1_byte(struct rtrack *rt)
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{
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if ((dev->curvol == 0) || (dev->muted)) {
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outb_p(128+64+16+4 +1, port); /* wr-enable+data high */
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outb_p(128+64+16+4+2+1, port); /* clock */
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if (rt->curvol == 0 || rt->muted) {
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outb_p(128+64+16+4 +1, rt->io); /* wr-enable+data high */
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outb_p(128+64+16+4+2+1, rt->io); /* clock */
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}
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else {
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outb_p(128+64+16+8+4 +1, port); /* on+wr-enable+data high */
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outb_p(128+64+16+8+4+2+1, port); /* clock */
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outb_p(128+64+16+8+4 +1, rt->io); /* on+wr-enable+data high */
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outb_p(128+64+16+8+4+2+1, rt->io); /* clock */
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}
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sleep_delay(1000);
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}
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static int rt_setfreq(struct rt_device *dev, unsigned long freq)
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static int rt_setfreq(struct rtrack *rt, unsigned long freq)
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{
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int i;
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/* adapted from radio-aztech.c */
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mutex_lock(&rt->lock); /* Stop other ops interfering */
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rt->curfreq = freq;
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/* now uses VIDEO_TUNER_LOW for fine tuning */
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freq += 171200; /* Add 10.7 MHz IF */
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freq /= 800; /* Convert to 50 kHz units */
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mutex_lock(&lock); /* Stop other ops interfering */
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send_0_byte (io, dev); /* 0: LSB of frequency */
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send_0_byte(rt); /* 0: LSB of frequency */
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for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
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if (freq & (1 << i))
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send_1_byte (io, dev);
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send_1_byte(rt);
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else
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send_0_byte (io, dev);
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send_0_byte(rt);
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send_0_byte (io, dev); /* 14: test bit - always 0 */
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send_0_byte (io, dev); /* 15: test bit - always 0 */
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send_0_byte(rt); /* 14: test bit - always 0 */
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send_0_byte(rt); /* 15: test bit - always 0 */
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send_0_byte (io, dev); /* 16: band data 0 - always 0 */
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send_0_byte (io, dev); /* 17: band data 1 - always 0 */
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send_0_byte (io, dev); /* 18: band data 2 - always 0 */
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send_0_byte (io, dev); /* 19: time base - always 0 */
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send_0_byte(rt); /* 16: band data 0 - always 0 */
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send_0_byte(rt); /* 17: band data 1 - always 0 */
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send_0_byte(rt); /* 18: band data 2 - always 0 */
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send_0_byte(rt); /* 19: time base - always 0 */
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send_0_byte (io, dev); /* 20: spacing (0 = 25 kHz) */
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send_1_byte (io, dev); /* 21: spacing (1 = 25 kHz) */
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send_0_byte (io, dev); /* 22: spacing (0 = 25 kHz) */
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send_1_byte (io, dev); /* 23: AM/FM (FM = 1, always) */
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send_0_byte(rt); /* 20: spacing (0 = 25 kHz) */
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send_1_byte(rt); /* 21: spacing (1 = 25 kHz) */
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send_0_byte(rt); /* 22: spacing (0 = 25 kHz) */
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send_1_byte(rt); /* 23: AM/FM (FM = 1, always) */
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if ((dev->curvol == 0) || (dev->muted))
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outb (0xd0, io); /* volume steady + sigstr */
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if (rt->curvol == 0 || rt->muted)
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outb(0xd0, rt->io); /* volume steady + sigstr */
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else
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outb (0xd8, io); /* volume steady + sigstr + on */
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outb(0xd8, rt->io); /* volume steady + sigstr + on */
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mutex_unlock(&lock);
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mutex_unlock(&rt->lock);
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return 0;
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}
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static int rt_getsigstr(struct rt_device *dev)
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static int rt_getsigstr(struct rtrack *rt)
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{
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if (inb(io) & 2) /* bit set = no signal present */
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return 0;
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return 1; /* signal present */
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}
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int sig = 1;
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static struct v4l2_queryctrl radio_qctrl[] = {
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{
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.id = V4L2_CID_AUDIO_MUTE,
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.name = "Mute",
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.minimum = 0,
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.maximum = 1,
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.default_value = 1,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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},{
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.id = V4L2_CID_AUDIO_VOLUME,
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.name = "Volume",
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.minimum = 0,
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.maximum = 0xff,
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.step = 1,
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.default_value = 0xff,
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.type = V4L2_CTRL_TYPE_INTEGER,
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}
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};
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mutex_lock(&rt->lock);
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if (inb(rt->io) & 2) /* bit set = no signal present */
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sig = 0;
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mutex_unlock(&rt->lock);
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return sig;
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}
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *v)
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{
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strlcpy(v->driver, "radio-aimslab", sizeof(v->driver));
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strlcpy(v->card, "RadioTrack", sizeof(v->card));
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sprintf(v->bus_info, "ISA");
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strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
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v->version = RADIO_VERSION;
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v->capabilities = V4L2_CAP_TUNER;
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v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
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return 0;
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}
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static int vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack *rt = video_drvdata(file);
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if (v->index > 0)
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return -EINVAL;
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strcpy(v->name, "FM");
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strlcpy(v->name, "FM", sizeof(v->name));
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v->type = V4L2_TUNER_RADIO;
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v->rangelow = (87*16000);
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v->rangehigh = (108*16000);
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v->rangelow = 87 * 16000;
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v->rangehigh = 108 * 16000;
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v->rxsubchans = V4L2_TUNER_SUB_MONO;
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v->capability = V4L2_TUNER_CAP_LOW;
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v->audmode = V4L2_TUNER_MODE_MONO;
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v->signal = 0xffff*rt_getsigstr(rt);
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v->signal = 0xffff * rt_getsigstr(rt);
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return 0;
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}
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static int vidioc_s_tuner(struct file *file, void *priv,
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struct v4l2_tuner *v)
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{
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if (v->index > 0)
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return -EINVAL;
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return 0;
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return v->index ? -EINVAL : 0;
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}
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static int vidioc_s_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack *rt = video_drvdata(file);
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rt->curfreq = f->frequency;
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rt_setfreq(rt, rt->curfreq);
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rt_setfreq(rt, f->frequency);
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return 0;
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}
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static int vidioc_g_frequency(struct file *file, void *priv,
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struct v4l2_frequency *f)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack *rt = video_drvdata(file);
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f->type = V4L2_TUNER_RADIO;
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f->frequency = rt->curfreq;
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@ -293,14 +286,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
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static int vidioc_queryctrl(struct file *file, void *priv,
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struct v4l2_queryctrl *qc)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
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if (qc->id && qc->id == radio_qctrl[i].id) {
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memcpy(qc, &(radio_qctrl[i]),
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sizeof(*qc));
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return 0;
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}
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switch (qc->id) {
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case V4L2_CID_AUDIO_MUTE:
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return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
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case V4L2_CID_AUDIO_VOLUME:
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return v4l2_ctrl_query_fill(qc, 0, 0xff, 1, 0xff);
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}
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return -EINVAL;
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}
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@ -308,14 +298,14 @@ static int vidioc_queryctrl(struct file *file, void *priv,
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static int vidioc_g_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack *rt = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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ctrl->value = rt->muted;
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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ctrl->value = rt->curvol * 6554;
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ctrl->value = rt->curvol;
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return 0;
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}
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return -EINVAL;
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@ -324,33 +314,22 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
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static int vidioc_s_ctrl(struct file *file, void *priv,
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struct v4l2_control *ctrl)
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{
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struct rt_device *rt = video_drvdata(file);
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struct rtrack *rt = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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if (ctrl->value)
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rt_mute(rt);
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else
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rt_setvol(rt,rt->curvol);
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rt_setvol(rt, rt->curvol);
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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rt_setvol(rt,ctrl->value);
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rt_setvol(rt, ctrl->value);
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return 0;
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}
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return -EINVAL;
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}
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static int vidioc_g_audio (struct file *file, void *priv,
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struct v4l2_audio *a)
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{
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if (a->index > 1)
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return -EINVAL;
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strcpy(a->name, "Radio");
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
|
||||
|
||||
static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
|
||||
{
|
||||
*i = 0;
|
||||
|
|
@ -359,36 +338,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
|
|||
|
||||
static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
|
||||
{
|
||||
if (i != 0)
|
||||
return -EINVAL;
|
||||
return i ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_audio(struct file *file, void *priv,
|
||||
struct v4l2_audio *a)
|
||||
{
|
||||
a->index = 0;
|
||||
strlcpy(a->name, "Radio", sizeof(a->name));
|
||||
a->capability = V4L2_AUDCAP_STEREO;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_s_audio(struct file *file, void *priv,
|
||||
struct v4l2_audio *a)
|
||||
{
|
||||
if (a->index != 0)
|
||||
return -EINVAL;
|
||||
return a->index ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
static int rtrack_open(struct file *file)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct rt_device rtrack_unit;
|
||||
|
||||
static int rtrack_exclusive_open(struct file *file)
|
||||
static int rtrack_release(struct file *file)
|
||||
{
|
||||
return test_and_set_bit(0, &rtrack_unit.in_use) ? -EBUSY : 0;
|
||||
}
|
||||
|
||||
static int rtrack_exclusive_release(struct file *file)
|
||||
{
|
||||
clear_bit(0, &rtrack_unit.in_use);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct v4l2_file_operations rtrack_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = rtrack_exclusive_open,
|
||||
.release = rtrack_exclusive_release,
|
||||
.open = rtrack_open,
|
||||
.release = rtrack_release,
|
||||
.ioctl = video_ioctl2,
|
||||
};
|
||||
|
||||
|
|
@ -407,64 +388,69 @@ static const struct v4l2_ioctl_ops rtrack_ioctl_ops = {
|
|||
.vidioc_s_ctrl = vidioc_s_ctrl,
|
||||
};
|
||||
|
||||
static struct video_device rtrack_radio = {
|
||||
.name = "RadioTrack radio",
|
||||
.fops = &rtrack_fops,
|
||||
.ioctl_ops = &rtrack_ioctl_ops,
|
||||
.release = video_device_release_empty,
|
||||
};
|
||||
|
||||
static int __init rtrack_init(void)
|
||||
{
|
||||
if(io==-1)
|
||||
{
|
||||
printk(KERN_ERR "You must set an I/O address with io=0x???\n");
|
||||
struct rtrack *rt = &rtrack_card;
|
||||
struct v4l2_device *v4l2_dev = &rt->v4l2_dev;
|
||||
int res;
|
||||
|
||||
strlcpy(v4l2_dev->name, "rtrack", sizeof(v4l2_dev->name));
|
||||
rt->io = io;
|
||||
|
||||
if (rt->io == -1) {
|
||||
v4l2_err(v4l2_dev, "you must set an I/O address with io=0x???\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!request_region(io, 2, "rtrack"))
|
||||
{
|
||||
printk(KERN_ERR "rtrack: port 0x%x already in use\n", io);
|
||||
if (!request_region(rt->io, 2, "rtrack")) {
|
||||
v4l2_err(v4l2_dev, "port 0x%x already in use\n", rt->io);
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
video_set_drvdata(&rtrack_radio, &rtrack_unit);
|
||||
res = v4l2_device_register(NULL, v4l2_dev);
|
||||
if (res < 0) {
|
||||
release_region(rt->io, 2);
|
||||
v4l2_err(v4l2_dev, "could not register v4l2_device\n");
|
||||
return res;
|
||||
}
|
||||
|
||||
if (video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
release_region(io, 2);
|
||||
strlcpy(rt->vdev.name, v4l2_dev->name, sizeof(rt->vdev.name));
|
||||
rt->vdev.v4l2_dev = v4l2_dev;
|
||||
rt->vdev.fops = &rtrack_fops;
|
||||
rt->vdev.ioctl_ops = &rtrack_ioctl_ops;
|
||||
rt->vdev.release = video_device_release_empty;
|
||||
video_set_drvdata(&rt->vdev, rt);
|
||||
|
||||
if (video_register_device(&rt->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
v4l2_device_unregister(&rt->v4l2_dev);
|
||||
release_region(rt->io, 2);
|
||||
return -EINVAL;
|
||||
}
|
||||
printk(KERN_INFO "AIMSlab RadioTrack/RadioReveal card driver.\n");
|
||||
v4l2_info(v4l2_dev, "AIMSlab RadioTrack/RadioReveal card driver.\n");
|
||||
|
||||
/* Set up the I/O locking */
|
||||
|
||||
mutex_init(&lock);
|
||||
mutex_init(&rt->lock);
|
||||
|
||||
/* mute card - prevents noisy bootups */
|
||||
|
||||
/* this ensures that the volume is all the way down */
|
||||
outb(0x48, io); /* volume down but still "on" */
|
||||
outb(0x48, rt->io); /* volume down but still "on" */
|
||||
sleep_delay(2000000); /* make sure it's totally down */
|
||||
outb(0xc0, io); /* steady volume, mute card */
|
||||
rtrack_unit.curvol = 0;
|
||||
outb(0xc0, rt->io); /* steady volume, mute card */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
MODULE_AUTHOR("M.Kirkwood");
|
||||
MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
module_param(io, int, 0);
|
||||
MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20f or 0x30f)");
|
||||
module_param(radio_nr, int, 0);
|
||||
|
||||
static void __exit cleanup_rtrack_module(void)
|
||||
static void __exit rtrack_exit(void)
|
||||
{
|
||||
video_unregister_device(&rtrack_radio);
|
||||
release_region(io,2);
|
||||
struct rtrack *rt = &rtrack_card;
|
||||
|
||||
video_unregister_device(&rt->vdev);
|
||||
v4l2_device_unregister(&rt->v4l2_dev);
|
||||
release_region(rt->io, 2);
|
||||
}
|
||||
|
||||
module_init(rtrack_init);
|
||||
module_exit(cleanup_rtrack_module);
|
||||
module_exit(rtrack_exit);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue