-/* RadioTrack II driver for Linux radio support (C) 1998 Ben Pfaff
+/*
+ * RadioTrack II driver
+ * Copyright 1998 Ben Pfaff
*
* Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
* Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
*
- * TODO: Allow for more than one of these foolish entities :-)
- *
+ * Converted to the radio-isa framework by Hans Verkuil <hans.verkuil@cisco.com>
* Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
*/
#include <linux/io.h> /* outb, outb_p */
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
+#include "radio-isa.h"
MODULE_AUTHOR("Ben Pfaff");
MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
MODULE_LICENSE("GPL");
-MODULE_VERSION("0.0.3");
+MODULE_VERSION("0.1.99");
#ifndef CONFIG_RADIO_RTRACK2_PORT
#define CONFIG_RADIO_RTRACK2_PORT -1
#endif
-static int io = CONFIG_RADIO_RTRACK2_PORT;
-static int radio_nr = -1;
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
-module_param(radio_nr, int, 0);
-
-struct rtrack2
-{
- struct v4l2_device v4l2_dev;
- struct video_device vdev;
- int io;
- unsigned long curfreq;
- int muted;
- struct mutex lock;
-};
+#define RTRACK2_MAX 2
-static struct rtrack2 rtrack2_card;
+static int io[RTRACK2_MAX] = { [0] = CONFIG_RADIO_RTRACK2_PORT,
+ [1 ... (RTRACK2_MAX - 1)] = -1 };
+static int radio_nr[RTRACK2_MAX] = { [0 ... (RTRACK2_MAX - 1)] = -1 };
+module_param_array(io, int, NULL, 0444);
+MODULE_PARM_DESC(io, "I/O addresses of the RadioTrack card (0x20f or 0x30f)");
+module_param_array(radio_nr, int, NULL, 0444);
+MODULE_PARM_DESC(radio_nr, "Radio device numbers");
-/* local things */
-
-static void rt_mute(struct rtrack2 *dev)
-{
- if (dev->muted)
- return;
- mutex_lock(&dev->lock);
- outb(1, dev->io);
- mutex_unlock(&dev->lock);
- dev->muted = 1;
-}
-
-static void rt_unmute(struct rtrack2 *dev)
+static struct radio_isa_card *rtrack2_alloc(void)
{
- if(dev->muted == 0)
- return;
- mutex_lock(&dev->lock);
- outb(0, dev->io);
- mutex_unlock(&dev->lock);
- dev->muted = 0;
+ return kzalloc(sizeof(struct radio_isa_card), GFP_KERNEL);
}
-static void zero(struct rtrack2 *dev)
+static void zero(struct radio_isa_card *isa)
{
- outb_p(1, dev->io);
- outb_p(3, dev->io);
- outb_p(1, dev->io);
+ outb_p(1, isa->io);
+ outb_p(3, isa->io);
+ outb_p(1, isa->io);
}
-static void one(struct rtrack2 *dev)
+static void one(struct radio_isa_card *isa)
{
- outb_p(5, dev->io);
- outb_p(7, dev->io);
- outb_p(5, dev->io);
+ outb_p(5, isa->io);
+ outb_p(7, isa->io);
+ outb_p(5, isa->io);
}
-static int rt_setfreq(struct rtrack2 *dev, unsigned long freq)
+static int rtrack2_s_frequency(struct radio_isa_card *isa, u32 freq)
{
int i;
- mutex_lock(&dev->lock);
- dev->curfreq = freq;
freq = freq / 200 + 856;
- outb_p(0xc8, dev->io);
- outb_p(0xc9, dev->io);
- outb_p(0xc9, dev->io);
+ outb_p(0xc8, isa->io);
+ outb_p(0xc9, isa->io);
+ outb_p(0xc9, isa->io);
for (i = 0; i < 10; i++)
- zero(dev);
+ zero(isa);
for (i = 14; i >= 0; i--)
if (freq & (1 << i))
- one(dev);
+ one(isa);
else
- zero(dev);
-
- outb_p(0xc8, dev->io);
- if (!dev->muted)
- outb_p(0, dev->io);
-
- mutex_unlock(&dev->lock);
- return 0;
-}
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *v)
-{
- strlcpy(v->driver, "radio-rtrack2", sizeof(v->driver));
- strlcpy(v->card, "RadioTrack II", sizeof(v->card));
- strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
- v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
- return 0;
-}
+ zero(isa);
-static int vidioc_s_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
-{
- return v->index ? -EINVAL : 0;
-}
-
-static int rt_getsigstr(struct rtrack2 *dev)
-{
- int sig = 1;
-
- mutex_lock(&dev->lock);
- if (inb(dev->io) & 2) /* bit set = no signal present */
- sig = 0;
- mutex_unlock(&dev->lock);
- return sig;
-}
-
-static int vidioc_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
-{
- struct rtrack2 *rt = video_drvdata(file);
-
- if (v->index > 0)
- return -EINVAL;
-
- strlcpy(v->name, "FM", sizeof(v->name));
- v->type = V4L2_TUNER_RADIO;
- v->rangelow = 88 * 16000;
- v->rangehigh = 108 * 16000;
- v->rxsubchans = V4L2_TUNER_SUB_MONO;
- v->capability = V4L2_TUNER_CAP_LOW;
- v->audmode = V4L2_TUNER_MODE_MONO;
- v->signal = 0xFFFF * rt_getsigstr(rt);
+ outb_p(0xc8, isa->io);
+ if (!v4l2_ctrl_g_ctrl(isa->mute))
+ outb_p(0, isa->io);
return 0;
}
-static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+static u32 rtrack2_g_signal(struct radio_isa_card *isa)
{
- struct rtrack2 *rt = video_drvdata(file);
-
- if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
- return -EINVAL;
- rt_setfreq(rt, f->frequency);
- return 0;
+ /* bit set = no signal present */
+ return (inb(isa->io) & 2) ? 0 : 0xffff;
}
-static int vidioc_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+static int rtrack2_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol)
{
- struct rtrack2 *rt = video_drvdata(file);
-
- if (f->tuner != 0)
- return -EINVAL;
- f->type = V4L2_TUNER_RADIO;
- f->frequency = rt->curfreq;
+ outb(mute, isa->io);
return 0;
}
-static int vidioc_queryctrl(struct file *file, void *priv,
- struct v4l2_queryctrl *qc)
-{
- switch (qc->id) {
- case V4L2_CID_AUDIO_MUTE:
- return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
- }
- return -EINVAL;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct rtrack2 *rt = 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;
- return 0;
- }
- return -EINVAL;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct rtrack2 *rt = video_drvdata(file);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value)
- rt_mute(rt);
- else
- rt_unmute(rt);
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- if (ctrl->value)
- rt_unmute(rt);
- else
- rt_mute(rt);
- return 0;
- }
- return -EINVAL;
-}
-
-static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
-{
- *i = 0;
- return 0;
-}
-
-static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
-{
- 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)
-{
- return a->index ? -EINVAL : 0;
-}
-
-static const struct v4l2_file_operations rtrack2_fops = {
- .owner = THIS_MODULE,
- .unlocked_ioctl = video_ioctl2,
+static const struct radio_isa_ops rtrack2_ops = {
+ .alloc = rtrack2_alloc,
+ .s_mute_volume = rtrack2_s_mute_volume,
+ .s_frequency = rtrack2_s_frequency,
+ .g_signal = rtrack2_g_signal,
};
-static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = {
- .vidioc_querycap = vidioc_querycap,
- .vidioc_g_tuner = vidioc_g_tuner,
- .vidioc_s_tuner = vidioc_s_tuner,
- .vidioc_g_frequency = vidioc_g_frequency,
- .vidioc_s_frequency = vidioc_s_frequency,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_g_audio = vidioc_g_audio,
- .vidioc_s_audio = vidioc_s_audio,
- .vidioc_g_input = vidioc_g_input,
- .vidioc_s_input = vidioc_s_input,
+static const int rtrack2_ioports[] = { 0x20f, 0x30f };
+
+static struct radio_isa_driver rtrack2_driver = {
+ .driver = {
+ .match = radio_isa_match,
+ .probe = radio_isa_probe,
+ .remove = radio_isa_remove,
+ .driver = {
+ .name = "radio-rtrack2",
+ },
+ },
+ .io_params = io,
+ .radio_nr_params = radio_nr,
+ .io_ports = rtrack2_ioports,
+ .num_of_io_ports = ARRAY_SIZE(rtrack2_ioports),
+ .region_size = 4,
+ .card = "AIMSlab RadioTrack II",
+ .ops = &rtrack2_ops,
+ .has_stereo = true,
};
static int __init rtrack2_init(void)
{
- struct rtrack2 *dev = &rtrack2_card;
- struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
- int res;
-
- strlcpy(v4l2_dev->name, "rtrack2", sizeof(v4l2_dev->name));
- dev->io = io;
- if (dev->io == -1) {
- v4l2_err(v4l2_dev, "You must set an I/O address with io=0x20c or io=0x30c\n");
- return -EINVAL;
- }
- if (!request_region(dev->io, 4, "rtrack2")) {
- v4l2_err(v4l2_dev, "port 0x%x already in use\n", dev->io);
- return -EBUSY;
- }
-
- res = v4l2_device_register(NULL, v4l2_dev);
- if (res < 0) {
- release_region(dev->io, 4);
- v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
- return res;
- }
-
- strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
- dev->vdev.v4l2_dev = v4l2_dev;
- dev->vdev.fops = &rtrack2_fops;
- dev->vdev.ioctl_ops = &rtrack2_ioctl_ops;
- dev->vdev.release = video_device_release_empty;
- video_set_drvdata(&dev->vdev, dev);
-
- /* mute card - prevents noisy bootups */
- outb(1, dev->io);
- dev->muted = 1;
-
- mutex_init(&dev->lock);
- if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
- v4l2_device_unregister(v4l2_dev);
- release_region(dev->io, 4);
- return -EINVAL;
- }
-
- v4l2_info(v4l2_dev, "AIMSlab Radiotrack II card driver.\n");
-
- return 0;
+ return isa_register_driver(&rtrack2_driver.driver, RTRACK2_MAX);
}
static void __exit rtrack2_exit(void)
{
- struct rtrack2 *dev = &rtrack2_card;
-
- video_unregister_device(&dev->vdev);
- v4l2_device_unregister(&dev->v4l2_dev);
- release_region(dev->io, 4);
+ isa_unregister_driver(&rtrack2_driver.driver);
}
module_init(rtrack2_init);
projects / platform / kernel / linux-stable.git / commitdiff