V4L/DVB (10891): radio-trust: convert to v4l2_device.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
5ac3d5bf4a
commit
1dc8aafc79
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@ -19,49 +19,16 @@
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#include <linux/version.h> /* for KERNEL_VERSION MACRO */
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <linux/io.h>
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#include <linux/uaccess.h>
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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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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 = 65535,
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.step = 2048,
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.default_value = 65535,
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.type = V4L2_CTRL_TYPE_INTEGER,
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},{
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.id = V4L2_CID_AUDIO_BASS,
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.name = "Bass",
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.minimum = 0,
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.maximum = 65535,
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.step = 4370,
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.default_value = 32768,
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.type = V4L2_CTRL_TYPE_INTEGER,
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},{
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.id = V4L2_CID_AUDIO_TREBLE,
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.name = "Treble",
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.minimum = 0,
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.maximum = 65535,
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.step = 4370,
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.default_value = 32768,
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.type = V4L2_CTRL_TYPE_INTEGER,
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},
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};
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MODULE_AUTHOR("Eric Lammerts, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
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MODULE_DESCRIPTION("A driver for the Trust FM Radio card.");
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MODULE_LICENSE("GPL");
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/* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
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@ -71,26 +38,41 @@ static struct v4l2_queryctrl radio_qctrl[] = {
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static int io = CONFIG_RADIO_TRUST_PORT;
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static int radio_nr = -1;
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static int ioval = 0xf;
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static __u16 curvol;
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static __u16 curbass;
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static __u16 curtreble;
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static unsigned long curfreq;
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static int curstereo;
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static int curmute;
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static unsigned long in_use;
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module_param(io, int, 0);
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MODULE_PARM_DESC(io, "I/O address of the Trust FM Radio card (0x350 or 0x358)");
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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 trust {
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struct v4l2_device v4l2_dev;
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struct video_device vdev;
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int io;
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int ioval;
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__u16 curvol;
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__u16 curbass;
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__u16 curtreble;
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int muted;
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unsigned long curfreq;
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int curstereo;
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int curmute;
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struct mutex lock;
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};
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static struct trust trust_card;
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/* i2c addresses */
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#define TDA7318_ADDR 0x88
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#define TSA6060T_ADDR 0xc4
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#define TR_DELAY do { inb(io); inb(io); inb(io); } while(0)
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#define TR_SET_SCL outb(ioval |= 2, io)
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#define TR_CLR_SCL outb(ioval &= 0xfd, io)
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#define TR_SET_SDA outb(ioval |= 1, io)
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#define TR_CLR_SDA outb(ioval &= 0xfe, io)
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#define TR_DELAY do { inb(tr->io); inb(tr->io); inb(tr->io); } while (0)
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#define TR_SET_SCL outb(tr->ioval |= 2, tr->io)
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#define TR_CLR_SCL outb(tr->ioval &= 0xfd, tr->io)
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#define TR_SET_SDA outb(tr->ioval |= 1, tr->io)
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#define TR_CLR_SDA outb(tr->ioval &= 0xfe, tr->io)
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static void write_i2c(int n, ...)
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static void write_i2c(struct trust *tr, int n, ...)
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{
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unsigned char val, mask;
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va_list args;
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@ -136,62 +118,77 @@ static void write_i2c(int n, ...)
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va_end(args);
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}
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static void tr_setvol(__u16 vol)
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static void tr_setvol(struct trust *tr, __u16 vol)
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{
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curvol = vol / 2048;
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write_i2c(2, TDA7318_ADDR, curvol ^ 0x1f);
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mutex_lock(&tr->lock);
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tr->curvol = vol / 2048;
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write_i2c(tr, 2, TDA7318_ADDR, tr->curvol ^ 0x1f);
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mutex_unlock(&tr->lock);
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}
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static int basstreble2chip[15] = {
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0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8
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};
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static void tr_setbass(__u16 bass)
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static void tr_setbass(struct trust *tr, __u16 bass)
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{
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curbass = bass / 4370;
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write_i2c(2, TDA7318_ADDR, 0x60 | basstreble2chip[curbass]);
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mutex_lock(&tr->lock);
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tr->curbass = bass / 4370;
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write_i2c(tr, 2, TDA7318_ADDR, 0x60 | basstreble2chip[tr->curbass]);
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mutex_unlock(&tr->lock);
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}
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static void tr_settreble(__u16 treble)
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static void tr_settreble(struct trust *tr, __u16 treble)
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{
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curtreble = treble / 4370;
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write_i2c(2, TDA7318_ADDR, 0x70 | basstreble2chip[curtreble]);
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mutex_lock(&tr->lock);
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tr->curtreble = treble / 4370;
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write_i2c(tr, 2, TDA7318_ADDR, 0x70 | basstreble2chip[tr->curtreble]);
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mutex_unlock(&tr->lock);
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}
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static void tr_setstereo(int stereo)
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static void tr_setstereo(struct trust *tr, int stereo)
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{
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curstereo = !!stereo;
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ioval = (ioval & 0xfb) | (!curstereo << 2);
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outb(ioval, io);
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mutex_lock(&tr->lock);
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tr->curstereo = !!stereo;
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tr->ioval = (tr->ioval & 0xfb) | (!tr->curstereo << 2);
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outb(tr->ioval, tr->io);
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mutex_unlock(&tr->lock);
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}
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static void tr_setmute(int mute)
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static void tr_setmute(struct trust *tr, int mute)
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{
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curmute = !!mute;
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ioval = (ioval & 0xf7) | (curmute << 3);
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outb(ioval, io);
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mutex_lock(&tr->lock);
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tr->curmute = !!mute;
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tr->ioval = (tr->ioval & 0xf7) | (tr->curmute << 3);
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outb(tr->ioval, tr->io);
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mutex_unlock(&tr->lock);
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}
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static int tr_getsigstr(void)
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static int tr_getsigstr(struct trust *tr)
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{
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int i, v;
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for(i = 0, v = 0; i < 100; i++) v |= inb(io);
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return (v & 1)? 0 : 0xffff;
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mutex_lock(&tr->lock);
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for (i = 0, v = 0; i < 100; i++)
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v |= inb(tr->io);
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mutex_unlock(&tr->lock);
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return (v & 1) ? 0 : 0xffff;
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}
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static int tr_getstereo(void)
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static int tr_getstereo(struct trust *tr)
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{
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/* don't know how to determine it, just return the setting */
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return curstereo;
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return tr->curstereo;
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}
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static void tr_setfreq(unsigned long f)
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static void tr_setfreq(struct trust *tr, unsigned long f)
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{
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mutex_lock(&tr->lock);
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tr->curfreq = f;
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f /= 160; /* Convert to 10 kHz units */
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f += 1070; /* Add 10.7 MHz IF */
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write_i2c(5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0);
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f += 1070; /* Add 10.7 MHz IF */
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write_i2c(tr, 5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0);
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mutex_unlock(&tr->lock);
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}
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static int vidioc_querycap(struct file *file, void *priv,
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@ -199,68 +196,75 @@ static int vidioc_querycap(struct file *file, void *priv,
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{
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strlcpy(v->driver, "radio-trust", sizeof(v->driver));
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strlcpy(v->card, "Trust FM Radio", 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 trust *tr = 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 = (87.5*16000);
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v->rangehigh = (108*16000);
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v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
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v->rangelow = 87.5 * 16000;
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v->rangehigh = 108 * 16000;
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v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
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v->capability = V4L2_TUNER_CAP_LOW;
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if (tr_getstereo())
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if (tr_getstereo(tr))
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v->audmode = V4L2_TUNER_MODE_STEREO;
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else
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v->audmode = V4L2_TUNER_MODE_MONO;
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v->signal = tr_getsigstr();
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v->signal = tr_getsigstr(tr);
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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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struct trust *tr = video_drvdata(file);
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if (v->index)
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return -EINVAL;
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tr_setstereo(tr, v->audmode == V4L2_TUNER_MODE_STEREO);
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return 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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curfreq = f->frequency;
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tr_setfreq(curfreq);
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struct trust *tr = video_drvdata(file);
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tr_setfreq(tr, 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 trust *tr = video_drvdata(file);
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f->type = V4L2_TUNER_RADIO;
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f->frequency = curfreq;
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f->frequency = tr->curfreq;
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return 0;
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}
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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, 65535, 2048, 65535);
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case V4L2_CID_AUDIO_BASS:
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case V4L2_CID_AUDIO_TREBLE:
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return v4l2_ctrl_query_fill(qc, 0, 65535, 4370, 32768);
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}
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return -EINVAL;
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}
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@ -268,18 +272,20 @@ 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 trust *tr = 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 = curmute;
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ctrl->value = tr->curmute;
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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ctrl->value = curvol * 2048;
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ctrl->value = tr->curvol * 2048;
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return 0;
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case V4L2_CID_AUDIO_BASS:
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ctrl->value = curbass * 4370;
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ctrl->value = tr->curbass * 4370;
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return 0;
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case V4L2_CID_AUDIO_TREBLE:
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ctrl->value = curtreble * 4370;
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ctrl->value = tr->curtreble * 4370;
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return 0;
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}
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return -EINVAL;
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@ -288,34 +294,25 @@ 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 trust *tr = video_drvdata(file);
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switch (ctrl->id) {
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case V4L2_CID_AUDIO_MUTE:
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tr_setmute(ctrl->value);
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tr_setmute(tr, ctrl->value);
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return 0;
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case V4L2_CID_AUDIO_VOLUME:
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tr_setvol(ctrl->value);
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tr_setvol(tr, ctrl->value);
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return 0;
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case V4L2_CID_AUDIO_BASS:
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tr_setbass(ctrl->value);
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tr_setbass(tr, ctrl->value);
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return 0;
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case V4L2_CID_AUDIO_TREBLE:
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tr_settreble(ctrl->value);
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tr_settreble(tr, 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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}
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static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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{
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*i = 0;
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@ -324,34 +321,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
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static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
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{
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if (i != 0)
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return -EINVAL;
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return i ? -EINVAL : 0;
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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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a->index = 0;
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strlcpy(a->name, "Radio", sizeof(a->name));
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a->capability = V4L2_AUDCAP_STEREO;
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return 0;
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}
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static int vidioc_s_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 != 0)
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return -EINVAL;
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return a->index ? -EINVAL : 0;
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}
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static int trust_open(struct file *file)
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{
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return 0;
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}
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static int trust_exclusive_open(struct file *file)
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static int trust_release(struct file *file)
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{
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return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
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}
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static int trust_exclusive_release(struct file *file)
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{
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clear_bit(0, &in_use);
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return 0;
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}
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static const struct v4l2_file_operations trust_fops = {
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.owner = THIS_MODULE,
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.open = trust_exclusive_open,
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.release = trust_exclusive_release,
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.open = trust_open,
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.release = trust_release,
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.ioctl = video_ioctl2,
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};
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@ -370,59 +371,72 @@ static const struct v4l2_ioctl_ops trust_ioctl_ops = {
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.vidioc_s_input = vidioc_s_input,
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};
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static struct video_device trust_radio = {
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.name = "Trust FM Radio",
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||||
.fops = &trust_fops,
|
||||
.ioctl_ops = &trust_ioctl_ops,
|
||||
.release = video_device_release_empty,
|
||||
};
|
||||
|
||||
static int __init trust_init(void)
|
||||
{
|
||||
if(io == -1) {
|
||||
printk(KERN_ERR "You must set an I/O address with io=0x???\n");
|
||||
struct trust *tr = &trust_card;
|
||||
struct v4l2_device *v4l2_dev = &tr->v4l2_dev;
|
||||
int res;
|
||||
|
||||
strlcpy(v4l2_dev->name, "trust", sizeof(v4l2_dev->name));
|
||||
tr->io = io;
|
||||
tr->ioval = 0xf;
|
||||
mutex_init(&tr->lock);
|
||||
|
||||
if (tr->io == -1) {
|
||||
v4l2_err(v4l2_dev, "You must set an I/O address with io=0x???\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
if(!request_region(io, 2, "Trust FM Radio")) {
|
||||
printk(KERN_ERR "trust: port 0x%x already in use\n", io);
|
||||
if (!request_region(tr->io, 2, "Trust FM Radio")) {
|
||||
v4l2_err(v4l2_dev, "port 0x%x already in use\n", tr->io);
|
||||
return -EBUSY;
|
||||
}
|
||||
if (video_register_device(&trust_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
release_region(io, 2);
|
||||
|
||||
res = v4l2_device_register(NULL, v4l2_dev);
|
||||
if (res < 0) {
|
||||
release_region(tr->io, 2);
|
||||
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
|
||||
return res;
|
||||
}
|
||||
|
||||
strlcpy(tr->vdev.name, v4l2_dev->name, sizeof(tr->vdev.name));
|
||||
tr->vdev.v4l2_dev = v4l2_dev;
|
||||
tr->vdev.fops = &trust_fops;
|
||||
tr->vdev.ioctl_ops = &trust_ioctl_ops;
|
||||
tr->vdev.release = video_device_release_empty;
|
||||
video_set_drvdata(&tr->vdev, tr);
|
||||
|
||||
if (video_register_device(&tr->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
v4l2_device_unregister(v4l2_dev);
|
||||
release_region(tr->io, 2);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "Trust FM Radio card driver v1.0.\n");
|
||||
v4l2_info(v4l2_dev, "Trust FM Radio card driver v1.0.\n");
|
||||
|
||||
write_i2c(2, TDA7318_ADDR, 0x80); /* speaker att. LF = 0 dB */
|
||||
write_i2c(2, TDA7318_ADDR, 0xa0); /* speaker att. RF = 0 dB */
|
||||
write_i2c(2, TDA7318_ADDR, 0xc0); /* speaker att. LR = 0 dB */
|
||||
write_i2c(2, TDA7318_ADDR, 0xe0); /* speaker att. RR = 0 dB */
|
||||
write_i2c(2, TDA7318_ADDR, 0x40); /* stereo 1 input, gain = 18.75 dB */
|
||||
write_i2c(tr, 2, TDA7318_ADDR, 0x80); /* speaker att. LF = 0 dB */
|
||||
write_i2c(tr, 2, TDA7318_ADDR, 0xa0); /* speaker att. RF = 0 dB */
|
||||
write_i2c(tr, 2, TDA7318_ADDR, 0xc0); /* speaker att. LR = 0 dB */
|
||||
write_i2c(tr, 2, TDA7318_ADDR, 0xe0); /* speaker att. RR = 0 dB */
|
||||
write_i2c(tr, 2, TDA7318_ADDR, 0x40); /* stereo 1 input, gain = 18.75 dB */
|
||||
|
||||
tr_setvol(0x8000);
|
||||
tr_setbass(0x8000);
|
||||
tr_settreble(0x8000);
|
||||
tr_setstereo(1);
|
||||
tr_setvol(tr, 0xffff);
|
||||
tr_setbass(tr, 0x8000);
|
||||
tr_settreble(tr, 0x8000);
|
||||
tr_setstereo(tr, 1);
|
||||
|
||||
/* mute card - prevents noisy bootups */
|
||||
tr_setmute(1);
|
||||
tr_setmute(tr, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
MODULE_AUTHOR("Eric Lammerts, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
|
||||
MODULE_DESCRIPTION("A driver for the Trust FM Radio card.");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
module_param(io, int, 0);
|
||||
MODULE_PARM_DESC(io, "I/O address of the Trust FM Radio card (0x350 or 0x358)");
|
||||
module_param(radio_nr, int, 0);
|
||||
|
||||
static void __exit cleanup_trust_module(void)
|
||||
{
|
||||
video_unregister_device(&trust_radio);
|
||||
release_region(io, 2);
|
||||
struct trust *tr = &trust_card;
|
||||
|
||||
video_unregister_device(&tr->vdev);
|
||||
v4l2_device_unregister(&tr->v4l2_dev);
|
||||
release_region(tr->io, 2);
|
||||
}
|
||||
|
||||
module_init(trust_init);
|
||||
|
|
|
|||
Loading…
Reference in New Issue