V4L/DVB (10884): radio-gemtek: 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
Родитель
79f94878bb
Коммит
502b71b570
|
|
@ -20,16 +20,15 @@
|
|||
#include <linux/init.h> /* Initdata */
|
||||
#include <linux/ioport.h> /* request_region */
|
||||
#include <linux/delay.h> /* udelay */
|
||||
#include <asm/io.h> /* outb, outb_p */
|
||||
#include <asm/uaccess.h> /* copy to/from user */
|
||||
#include <linux/videodev2.h> /* kernel radio structs */
|
||||
#include <media/v4l2-ioctl.h>
|
||||
#include <media/v4l2-common.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
|
||||
#define RADIO_VERSION KERNEL_VERSION(0,0,3)
|
||||
#define RADIO_BANNER "GemTek Radio card driver: v0.0.3"
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/io.h> /* outb, outb_p */
|
||||
#include <linux/uaccess.h> /* copy to/from user */
|
||||
#include <media/v4l2-ioctl.h>
|
||||
#include <media/v4l2-device.h>
|
||||
|
||||
#define RADIO_VERSION KERNEL_VERSION(0, 0, 3)
|
||||
|
||||
/*
|
||||
* Module info.
|
||||
|
|
@ -57,7 +56,6 @@ static int shutdown = 1;
|
|||
static int keepmuted = 1;
|
||||
static int initmute = 1;
|
||||
static int radio_nr = -1;
|
||||
static unsigned long in_use;
|
||||
|
||||
module_param(io, int, 0444);
|
||||
MODULE_PARM_DESC(io, "Force I/O port for the GemTek Radio card if automatic "
|
||||
|
|
@ -112,12 +110,19 @@ module_param(radio_nr, int, 0444);
|
|||
#define SHORT_DELAY 5 /* usec */
|
||||
#define LONG_DELAY 75 /* usec */
|
||||
|
||||
struct gemtek_device {
|
||||
struct gemtek {
|
||||
struct v4l2_device v4l2_dev;
|
||||
struct video_device vdev;
|
||||
struct mutex lock;
|
||||
unsigned long lastfreq;
|
||||
int muted;
|
||||
int verified;
|
||||
int io;
|
||||
u32 bu2614data;
|
||||
};
|
||||
|
||||
static struct gemtek gemtek_card;
|
||||
|
||||
#define BU2614_FREQ_BITS 16 /* D0..D15, Frequency data */
|
||||
#define BU2614_PORT_BITS 3 /* P0..P2, Output port control data */
|
||||
#define BU2614_VOID_BITS 4 /* unused */
|
||||
|
|
@ -153,10 +158,6 @@ struct gemtek_device {
|
|||
#define BU2614_FMUN_MASK MKMASK(FMUN)
|
||||
#define BU2614_TEST_MASK MKMASK(TEST)
|
||||
|
||||
static struct gemtek_device gemtek_unit;
|
||||
|
||||
static spinlock_t lock;
|
||||
|
||||
/*
|
||||
* Set data which will be sent to BU2614FS.
|
||||
*/
|
||||
|
|
@ -166,33 +167,33 @@ static spinlock_t lock;
|
|||
/*
|
||||
* Transmit settings to BU2614FS over GemTek IC.
|
||||
*/
|
||||
static void gemtek_bu2614_transmit(struct gemtek_device *dev)
|
||||
static void gemtek_bu2614_transmit(struct gemtek *gt)
|
||||
{
|
||||
int i, bit, q, mute;
|
||||
|
||||
spin_lock(&lock);
|
||||
mutex_lock(>->lock);
|
||||
|
||||
mute = dev->muted ? GEMTEK_MT : 0x00;
|
||||
mute = gt->muted ? GEMTEK_MT : 0x00;
|
||||
|
||||
outb_p(mute | GEMTEK_DA | GEMTEK_CK, io);
|
||||
outb_p(mute | GEMTEK_DA | GEMTEK_CK, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, io);
|
||||
outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, gt->io);
|
||||
udelay(LONG_DELAY);
|
||||
|
||||
for (i = 0, q = dev->bu2614data; i < 32; i++, q >>= 1) {
|
||||
bit = (q & 1) ? GEMTEK_DA : 0;
|
||||
outb_p(mute | GEMTEK_CE | bit, io);
|
||||
udelay(SHORT_DELAY);
|
||||
outb_p(mute | GEMTEK_CE | bit | GEMTEK_CK, io);
|
||||
udelay(SHORT_DELAY);
|
||||
for (i = 0, q = gt->bu2614data; i < 32; i++, q >>= 1) {
|
||||
bit = (q & 1) ? GEMTEK_DA : 0;
|
||||
outb_p(mute | GEMTEK_CE | bit, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
outb_p(mute | GEMTEK_CE | bit | GEMTEK_CK, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
}
|
||||
|
||||
outb_p(mute | GEMTEK_DA | GEMTEK_CK, io);
|
||||
outb_p(mute | GEMTEK_DA | GEMTEK_CK, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, io);
|
||||
outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, gt->io);
|
||||
udelay(LONG_DELAY);
|
||||
|
||||
spin_unlock(&lock);
|
||||
mutex_unlock(>->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -206,107 +207,109 @@ static unsigned long gemtek_convfreq(unsigned long freq)
|
|||
/*
|
||||
* Set FM-frequency.
|
||||
*/
|
||||
static void gemtek_setfreq(struct gemtek_device *dev, unsigned long freq)
|
||||
static void gemtek_setfreq(struct gemtek *gt, unsigned long freq)
|
||||
{
|
||||
|
||||
if (keepmuted && hardmute && dev->muted)
|
||||
if (keepmuted && hardmute && gt->muted)
|
||||
return;
|
||||
|
||||
if (freq < GEMTEK_LOWFREQ)
|
||||
freq = GEMTEK_LOWFREQ;
|
||||
else if (freq > GEMTEK_HIGHFREQ)
|
||||
freq = GEMTEK_HIGHFREQ;
|
||||
freq = clamp_val(freq, GEMTEK_LOWFREQ, GEMTEK_HIGHFREQ);
|
||||
|
||||
dev->lastfreq = freq;
|
||||
dev->muted = 0;
|
||||
gt->lastfreq = freq;
|
||||
gt->muted = 0;
|
||||
|
||||
gemtek_bu2614_set(dev, BU2614_PORT, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_FMES, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_SWIN, 0); /* FM-mode */
|
||||
gemtek_bu2614_set(dev, BU2614_SWAL, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_FMUN, 1); /* GT bit set */
|
||||
gemtek_bu2614_set(dev, BU2614_TEST, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_PORT, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_FMES, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_SWIN, 0); /* FM-mode */
|
||||
gemtek_bu2614_set(gt, BU2614_SWAL, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_FMUN, 1); /* GT bit set */
|
||||
gemtek_bu2614_set(gt, BU2614_TEST, 0);
|
||||
|
||||
gemtek_bu2614_set(dev, BU2614_STDF, GEMTEK_STDF_3_125_KHZ);
|
||||
gemtek_bu2614_set(dev, BU2614_FREQ, gemtek_convfreq(freq));
|
||||
gemtek_bu2614_set(gt, BU2614_STDF, GEMTEK_STDF_3_125_KHZ);
|
||||
gemtek_bu2614_set(gt, BU2614_FREQ, gemtek_convfreq(freq));
|
||||
|
||||
gemtek_bu2614_transmit(dev);
|
||||
gemtek_bu2614_transmit(gt);
|
||||
}
|
||||
|
||||
/*
|
||||
* Set mute flag.
|
||||
*/
|
||||
static void gemtek_mute(struct gemtek_device *dev)
|
||||
static void gemtek_mute(struct gemtek *gt)
|
||||
{
|
||||
int i;
|
||||
dev->muted = 1;
|
||||
|
||||
gt->muted = 1;
|
||||
|
||||
if (hardmute) {
|
||||
/* Turn off PLL, disable data output */
|
||||
gemtek_bu2614_set(dev, BU2614_PORT, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_FMES, 0); /* CT bit off */
|
||||
gemtek_bu2614_set(dev, BU2614_SWIN, 0); /* FM-mode */
|
||||
gemtek_bu2614_set(dev, BU2614_SWAL, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_FMUN, 0); /* GT bit off */
|
||||
gemtek_bu2614_set(dev, BU2614_TEST, 0);
|
||||
gemtek_bu2614_set(dev, BU2614_STDF, GEMTEK_PLL_OFF);
|
||||
gemtek_bu2614_set(dev, BU2614_FREQ, 0);
|
||||
gemtek_bu2614_transmit(dev);
|
||||
} else {
|
||||
spin_lock(&lock);
|
||||
|
||||
/* Read bus contents (CE, CK and DA). */
|
||||
i = inb_p(io);
|
||||
/* Write it back with mute flag set. */
|
||||
outb_p((i >> 5) | GEMTEK_MT, io);
|
||||
udelay(SHORT_DELAY);
|
||||
|
||||
spin_unlock(&lock);
|
||||
gemtek_bu2614_set(gt, BU2614_PORT, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_FMES, 0); /* CT bit off */
|
||||
gemtek_bu2614_set(gt, BU2614_SWIN, 0); /* FM-mode */
|
||||
gemtek_bu2614_set(gt, BU2614_SWAL, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_FMUN, 0); /* GT bit off */
|
||||
gemtek_bu2614_set(gt, BU2614_TEST, 0);
|
||||
gemtek_bu2614_set(gt, BU2614_STDF, GEMTEK_PLL_OFF);
|
||||
gemtek_bu2614_set(gt, BU2614_FREQ, 0);
|
||||
gemtek_bu2614_transmit(gt);
|
||||
return;
|
||||
}
|
||||
|
||||
mutex_lock(>->lock);
|
||||
|
||||
/* Read bus contents (CE, CK and DA). */
|
||||
i = inb_p(gt->io);
|
||||
/* Write it back with mute flag set. */
|
||||
outb_p((i >> 5) | GEMTEK_MT, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
|
||||
mutex_unlock(>->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
* Unset mute flag.
|
||||
*/
|
||||
static void gemtek_unmute(struct gemtek_device *dev)
|
||||
static void gemtek_unmute(struct gemtek *gt)
|
||||
{
|
||||
int i;
|
||||
dev->muted = 0;
|
||||
|
||||
gt->muted = 0;
|
||||
if (hardmute) {
|
||||
/* Turn PLL back on. */
|
||||
gemtek_setfreq(dev, dev->lastfreq);
|
||||
} else {
|
||||
spin_lock(&lock);
|
||||
|
||||
i = inb_p(io);
|
||||
outb_p(i >> 5, io);
|
||||
udelay(SHORT_DELAY);
|
||||
|
||||
spin_unlock(&lock);
|
||||
gemtek_setfreq(gt, gt->lastfreq);
|
||||
return;
|
||||
}
|
||||
mutex_lock(>->lock);
|
||||
|
||||
i = inb_p(gt->io);
|
||||
outb_p(i >> 5, gt->io);
|
||||
udelay(SHORT_DELAY);
|
||||
|
||||
mutex_unlock(>->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
* Get signal strength (= stereo status).
|
||||
*/
|
||||
static inline int gemtek_getsigstr(void)
|
||||
static inline int gemtek_getsigstr(struct gemtek *gt)
|
||||
{
|
||||
return inb_p(io) & GEMTEK_NS ? 0 : 1;
|
||||
int sig;
|
||||
|
||||
mutex_lock(>->lock);
|
||||
sig = inb_p(gt->io) & GEMTEK_NS ? 0 : 1;
|
||||
mutex_unlock(>->lock);
|
||||
return sig;
|
||||
}
|
||||
|
||||
/*
|
||||
* Check if requested card acts like GemTek Radio card.
|
||||
*/
|
||||
static int gemtek_verify(int port)
|
||||
static int gemtek_verify(struct gemtek *gt, int port)
|
||||
{
|
||||
static int verified = -1;
|
||||
int i, q;
|
||||
|
||||
if (verified == port)
|
||||
if (gt->verified == port)
|
||||
return 1;
|
||||
|
||||
spin_lock(&lock);
|
||||
mutex_lock(>->lock);
|
||||
|
||||
q = inb_p(port); /* Read bus contents before probing. */
|
||||
/* Try to turn on CE, CK and DA respectively and check if card responds
|
||||
|
|
@ -316,15 +319,15 @@ static int gemtek_verify(int port)
|
|||
udelay(SHORT_DELAY);
|
||||
|
||||
if ((inb_p(port) & (~GEMTEK_NS)) != (0x17 | (1 << (i + 5)))) {
|
||||
spin_unlock(&lock);
|
||||
mutex_unlock(>->lock);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
outb_p(q >> 5, port); /* Write bus contents back. */
|
||||
udelay(SHORT_DELAY);
|
||||
|
||||
spin_unlock(&lock);
|
||||
verified = port;
|
||||
mutex_unlock(>->lock);
|
||||
gt->verified = port;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -332,83 +335,61 @@ static int gemtek_verify(int port)
|
|||
/*
|
||||
* Automatic probing for card.
|
||||
*/
|
||||
static int gemtek_probe(void)
|
||||
static int gemtek_probe(struct gemtek *gt)
|
||||
{
|
||||
struct v4l2_device *v4l2_dev = >->v4l2_dev;
|
||||
int ioports[] = { 0x20c, 0x30c, 0x24c, 0x34c, 0x248, 0x28c };
|
||||
int i;
|
||||
|
||||
if (!probe) {
|
||||
printk(KERN_INFO "Automatic device probing disabled.\n");
|
||||
v4l2_info(v4l2_dev, "Automatic device probing disabled.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
printk(KERN_INFO "Automatic device probing enabled.\n");
|
||||
v4l2_info(v4l2_dev, "Automatic device probing enabled.\n");
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ioports); ++i) {
|
||||
printk(KERN_INFO "Trying I/O port 0x%x...\n", ioports[i]);
|
||||
v4l2_info(v4l2_dev, "Trying I/O port 0x%x...\n", ioports[i]);
|
||||
|
||||
if (!request_region(ioports[i], 1, "gemtek-probe")) {
|
||||
printk(KERN_WARNING "I/O port 0x%x busy!\n",
|
||||
v4l2_warn(v4l2_dev, "I/O port 0x%x busy!\n",
|
||||
ioports[i]);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (gemtek_verify(ioports[i])) {
|
||||
printk(KERN_INFO "Card found from I/O port "
|
||||
if (gemtek_verify(gt, ioports[i])) {
|
||||
v4l2_info(v4l2_dev, "Card found from I/O port "
|
||||
"0x%x!\n", ioports[i]);
|
||||
|
||||
release_region(ioports[i], 1);
|
||||
|
||||
io = ioports[i];
|
||||
return io;
|
||||
gt->io = ioports[i];
|
||||
return gt->io;
|
||||
}
|
||||
|
||||
release_region(ioports[i], 1);
|
||||
}
|
||||
|
||||
printk(KERN_ERR "Automatic probing failed!\n");
|
||||
|
||||
v4l2_err(v4l2_dev, "Automatic probing failed!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Video 4 Linux stuff.
|
||||
*/
|
||||
|
||||
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 = 65535,
|
||||
.step = 65535,
|
||||
.default_value = 0xff,
|
||||
.type = V4L2_CTRL_TYPE_INTEGER,
|
||||
}
|
||||
};
|
||||
|
||||
static int gemtek_exclusive_open(struct file *file)
|
||||
static int gemtek_open(struct file *file)
|
||||
{
|
||||
return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int gemtek_exclusive_release(struct file *file)
|
||||
static int gemtek_release(struct file *file)
|
||||
{
|
||||
clear_bit(0, &in_use);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct v4l2_file_operations gemtek_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = gemtek_exclusive_open,
|
||||
.release = gemtek_exclusive_release,
|
||||
.open = gemtek_open,
|
||||
.release = gemtek_release,
|
||||
.ioctl = video_ioctl2,
|
||||
};
|
||||
|
||||
|
|
@ -417,23 +398,25 @@ static int vidioc_querycap(struct file *file, void *priv,
|
|||
{
|
||||
strlcpy(v->driver, "radio-gemtek", sizeof(v->driver));
|
||||
strlcpy(v->card, "GemTek", sizeof(v->card));
|
||||
sprintf(v->bus_info, "ISA");
|
||||
strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
|
||||
v->version = RADIO_VERSION;
|
||||
v->capabilities = V4L2_CAP_TUNER;
|
||||
v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
|
||||
{
|
||||
struct gemtek *gt = video_drvdata(file);
|
||||
|
||||
if (v->index > 0)
|
||||
return -EINVAL;
|
||||
|
||||
strcpy(v->name, "FM");
|
||||
strlcpy(v->name, "FM", sizeof(v->name));
|
||||
v->type = V4L2_TUNER_RADIO;
|
||||
v->rangelow = GEMTEK_LOWFREQ;
|
||||
v->rangehigh = GEMTEK_HIGHFREQ;
|
||||
v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
|
||||
v->signal = 0xffff * gemtek_getsigstr();
|
||||
v->signal = 0xffff * gemtek_getsigstr(gt);
|
||||
if (v->signal) {
|
||||
v->audmode = V4L2_TUNER_MODE_STEREO;
|
||||
v->rxsubchans = V4L2_TUNER_SUB_STEREO;
|
||||
|
|
@ -441,65 +424,56 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
|
|||
v->audmode = V4L2_TUNER_MODE_MONO;
|
||||
v->rxsubchans = V4L2_TUNER_SUB_MONO;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
|
||||
{
|
||||
if (v->index > 0)
|
||||
return (v->index != 0) ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_frequency(struct file *file, void *priv,
|
||||
struct v4l2_frequency *f)
|
||||
{
|
||||
struct gemtek *gt = video_drvdata(file);
|
||||
|
||||
if (f->tuner != 0)
|
||||
return -EINVAL;
|
||||
f->type = V4L2_TUNER_RADIO;
|
||||
f->frequency = gt->lastfreq;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_s_frequency(struct file *file, void *priv,
|
||||
struct v4l2_frequency *f)
|
||||
{
|
||||
struct gemtek_device *rt = video_drvdata(file);
|
||||
struct gemtek *gt = video_drvdata(file);
|
||||
|
||||
gemtek_setfreq(rt, f->frequency);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_frequency(struct file *file, void *priv,
|
||||
struct v4l2_frequency *f)
|
||||
{
|
||||
struct gemtek_device *rt = video_drvdata(file);
|
||||
|
||||
f->type = V4L2_TUNER_RADIO;
|
||||
f->frequency = rt->lastfreq;
|
||||
if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
|
||||
return -EINVAL;
|
||||
gemtek_setfreq(gt, f->frequency);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_queryctrl(struct file *file, void *priv,
|
||||
struct v4l2_queryctrl *qc)
|
||||
{
|
||||
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;
|
||||
}
|
||||
switch (qc->id) {
|
||||
case V4L2_CID_AUDIO_MUTE:
|
||||
return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int vidioc_g_ctrl(struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct gemtek_device *rt = video_drvdata(file);
|
||||
struct gemtek *gt = video_drvdata(file);
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_AUDIO_MUTE:
|
||||
ctrl->value = rt->muted;
|
||||
return 0;
|
||||
case V4L2_CID_AUDIO_VOLUME:
|
||||
if (rt->muted)
|
||||
ctrl->value = 0;
|
||||
else
|
||||
ctrl->value = 65535;
|
||||
ctrl->value = gt->muted;
|
||||
return 0;
|
||||
}
|
||||
return -EINVAL;
|
||||
|
|
@ -508,35 +482,19 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
|
|||
static int vidioc_s_ctrl(struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
struct gemtek_device *rt = video_drvdata(file);
|
||||
struct gemtek *gt = video_drvdata(file);
|
||||
|
||||
switch (ctrl->id) {
|
||||
case V4L2_CID_AUDIO_MUTE:
|
||||
if (ctrl->value)
|
||||
gemtek_mute(rt);
|
||||
gemtek_mute(gt);
|
||||
else
|
||||
gemtek_unmute(rt);
|
||||
return 0;
|
||||
case V4L2_CID_AUDIO_VOLUME:
|
||||
if (ctrl->value)
|
||||
gemtek_unmute(rt);
|
||||
else
|
||||
gemtek_mute(rt);
|
||||
gemtek_unmute(gt);
|
||||
return 0;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
|
||||
{
|
||||
if (a->index > 1)
|
||||
return -EINVAL;
|
||||
|
||||
strcpy(a->name, "Radio");
|
||||
a->capability = V4L2_AUDCAP_STEREO;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
|
||||
{
|
||||
*i = 0;
|
||||
|
|
@ -545,16 +503,20 @@ 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 != 0) ? -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 0;
|
||||
return (a->index != 0) ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
static const struct v4l2_ioctl_ops gemtek_ioctl_ops = {
|
||||
|
|
@ -572,62 +534,73 @@ static const struct v4l2_ioctl_ops gemtek_ioctl_ops = {
|
|||
.vidioc_s_ctrl = vidioc_s_ctrl
|
||||
};
|
||||
|
||||
static struct video_device gemtek_radio = {
|
||||
.name = "GemTek Radio card",
|
||||
.fops = &gemtek_fops,
|
||||
.ioctl_ops = &gemtek_ioctl_ops,
|
||||
.release = video_device_release_empty,
|
||||
};
|
||||
|
||||
/*
|
||||
* Initialization / cleanup related stuff.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Initilize card.
|
||||
*/
|
||||
static int __init gemtek_init(void)
|
||||
{
|
||||
printk(KERN_INFO RADIO_BANNER "\n");
|
||||
struct gemtek *gt = &gemtek_card;
|
||||
struct v4l2_device *v4l2_dev = >->v4l2_dev;
|
||||
int res;
|
||||
|
||||
spin_lock_init(&lock);
|
||||
strlcpy(v4l2_dev->name, "gemtek", sizeof(v4l2_dev->name));
|
||||
|
||||
gemtek_probe();
|
||||
if (io) {
|
||||
if (!request_region(io, 1, "gemtek")) {
|
||||
printk(KERN_ERR "I/O port 0x%x already in use.\n", io);
|
||||
v4l2_info(v4l2_dev, "GemTek Radio card driver: v0.0.3\n");
|
||||
|
||||
mutex_init(>->lock);
|
||||
|
||||
gt->verified = -1;
|
||||
gt->io = io;
|
||||
gemtek_probe(gt);
|
||||
if (gt->io) {
|
||||
if (!request_region(gt->io, 1, "gemtek")) {
|
||||
v4l2_err(v4l2_dev, "I/O port 0x%x already in use.\n", gt->io);
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
if (!gemtek_verify(io))
|
||||
printk(KERN_WARNING "Card at I/O port 0x%x does not "
|
||||
if (!gemtek_verify(gt, gt->io))
|
||||
v4l2_warn(v4l2_dev, "Card at I/O port 0x%x does not "
|
||||
"respond properly, check your "
|
||||
"configuration.\n", io);
|
||||
"configuration.\n", gt->io);
|
||||
else
|
||||
printk(KERN_INFO "Using I/O port 0x%x.\n", io);
|
||||
v4l2_info(v4l2_dev, "Using I/O port 0x%x.\n", gt->io);
|
||||
} else if (probe) {
|
||||
printk(KERN_ERR "Automatic probing failed and no "
|
||||
v4l2_err(v4l2_dev, "Automatic probing failed and no "
|
||||
"fixed I/O port defined.\n");
|
||||
return -ENODEV;
|
||||
} else {
|
||||
printk(KERN_ERR "Automatic probing disabled but no fixed "
|
||||
v4l2_err(v4l2_dev, "Automatic probing disabled but no fixed "
|
||||
"I/O port defined.");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
video_set_drvdata(&gemtek_radio, &gemtek_unit);
|
||||
res = v4l2_device_register(NULL, v4l2_dev);
|
||||
if (res < 0) {
|
||||
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
|
||||
release_region(gt->io, 1);
|
||||
return res;
|
||||
}
|
||||
|
||||
if (video_register_device(&gemtek_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
release_region(io, 1);
|
||||
strlcpy(gt->vdev.name, v4l2_dev->name, sizeof(gt->vdev.name));
|
||||
gt->vdev.v4l2_dev = v4l2_dev;
|
||||
gt->vdev.fops = &gemtek_fops;
|
||||
gt->vdev.ioctl_ops = &gemtek_ioctl_ops;
|
||||
gt->vdev.release = video_device_release_empty;
|
||||
video_set_drvdata(>->vdev, gt);
|
||||
|
||||
if (video_register_device(>->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
|
||||
v4l2_device_unregister(v4l2_dev);
|
||||
release_region(gt->io, 1);
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
/* Set defaults */
|
||||
gemtek_unit.lastfreq = GEMTEK_LOWFREQ;
|
||||
gemtek_unit.bu2614data = 0;
|
||||
gt->lastfreq = GEMTEK_LOWFREQ;
|
||||
gt->bu2614data = 0;
|
||||
|
||||
if (initmute)
|
||||
gemtek_mute(&gemtek_unit);
|
||||
gemtek_mute(gt);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -637,15 +610,19 @@ static int __init gemtek_init(void)
|
|||
*/
|
||||
static void __exit gemtek_exit(void)
|
||||
{
|
||||
struct gemtek *gt = &gemtek_card;
|
||||
struct v4l2_device *v4l2_dev = >->v4l2_dev;
|
||||
|
||||
if (shutdown) {
|
||||
hardmute = 1; /* Turn off PLL */
|
||||
gemtek_mute(&gemtek_unit);
|
||||
gemtek_mute(gt);
|
||||
} else {
|
||||
printk(KERN_INFO "Module unloaded but card not muted!\n");
|
||||
v4l2_info(v4l2_dev, "Module unloaded but card not muted!\n");
|
||||
}
|
||||
|
||||
video_unregister_device(&gemtek_radio);
|
||||
release_region(io, 1);
|
||||
video_unregister_device(>->vdev);
|
||||
v4l2_device_unregister(>->v4l2_dev);
|
||||
release_region(gt->io, 1);
|
||||
}
|
||||
|
||||
module_init(gemtek_init);
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче