2012-01-16 16:24:08 +08:00
|
|
|
/*
|
|
|
|
* RadioTrack II driver
|
|
|
|
* Copyright 1998 Ben Pfaff
|
2006-04-09 03:06:16 +08:00
|
|
|
*
|
2005-04-17 06:20:36 +08:00
|
|
|
* Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
|
2008-10-28 02:13:47 +08:00
|
|
|
* Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
|
2005-04-17 06:20:36 +08:00
|
|
|
* Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
|
|
|
|
*
|
2012-01-16 16:24:08 +08:00
|
|
|
* Converted to the radio-isa framework by Hans Verkuil <hans.verkuil@cisco.com>
|
2006-08-08 20:10:02 +08:00
|
|
|
* Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
|
2013-02-25 19:00:15 +08:00
|
|
|
*
|
|
|
|
* Fully tested with actual hardware and the v4l2-compliance tool.
|
2005-04-17 06:20:36 +08:00
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/module.h> /* Modules */
|
|
|
|
#include <linux/init.h> /* Initdata */
|
2005-09-13 16:25:15 +08:00
|
|
|
#include <linux/ioport.h> /* request_region */
|
2005-04-17 06:20:36 +08:00
|
|
|
#include <linux/delay.h> /* udelay */
|
2006-08-08 20:10:02 +08:00
|
|
|
#include <linux/videodev2.h> /* kernel radio structs */
|
2009-03-07 00:52:06 +08:00
|
|
|
#include <linux/mutex.h>
|
|
|
|
#include <linux/io.h> /* outb, outb_p */
|
2012-03-27 16:39:21 +08:00
|
|
|
#include <linux/slab.h>
|
2009-03-07 00:52:06 +08:00
|
|
|
#include <media/v4l2-device.h>
|
2008-07-20 19:12:02 +08:00
|
|
|
#include <media/v4l2-ioctl.h>
|
2012-01-16 16:24:08 +08:00
|
|
|
#include "radio-isa.h"
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2009-03-07 00:52:06 +08:00
|
|
|
MODULE_AUTHOR("Ben Pfaff");
|
|
|
|
MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
|
|
|
|
MODULE_LICENSE("GPL");
|
2012-01-16 16:24:08 +08:00
|
|
|
MODULE_VERSION("0.1.99");
|
2006-08-08 20:10:02 +08:00
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
#ifndef CONFIG_RADIO_RTRACK2_PORT
|
|
|
|
#define CONFIG_RADIO_RTRACK2_PORT -1
|
|
|
|
#endif
|
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
#define RTRACK2_MAX 2
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
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 };
|
2009-03-07 00:52:06 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
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");
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static struct radio_isa_card *rtrack2_alloc(void)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
return kzalloc(sizeof(struct radio_isa_card), GFP_KERNEL);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static void zero(struct radio_isa_card *isa)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
outb_p(1, isa->io);
|
|
|
|
outb_p(3, isa->io);
|
|
|
|
outb_p(1, isa->io);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static void one(struct radio_isa_card *isa)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
outb_p(5, isa->io);
|
|
|
|
outb_p(7, isa->io);
|
|
|
|
outb_p(5, isa->io);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static int rtrack2_s_frequency(struct radio_isa_card *isa, u32 freq)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
freq = freq / 200 + 856;
|
2006-04-09 03:06:16 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
outb_p(0xc8, isa->io);
|
|
|
|
outb_p(0xc9, isa->io);
|
|
|
|
outb_p(0xc9, isa->io);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
for (i = 0; i < 10; i++)
|
2012-01-16 16:24:08 +08:00
|
|
|
zero(isa);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
for (i = 14; i >= 0; i--)
|
|
|
|
if (freq & (1 << i))
|
2012-01-16 16:24:08 +08:00
|
|
|
one(isa);
|
2005-04-17 06:20:36 +08:00
|
|
|
else
|
2012-01-16 16:24:08 +08:00
|
|
|
zero(isa);
|
2007-04-20 03:42:25 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
outb_p(0xc8, isa->io);
|
2013-02-25 19:00:15 +08:00
|
|
|
outb_p(v4l2_ctrl_g_ctrl(isa->mute), isa->io);
|
2007-04-20 03:42:25 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2006-08-08 20:10:02 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static u32 rtrack2_g_signal(struct radio_isa_card *isa)
|
2007-04-20 03:42:25 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
/* bit set = no signal present */
|
|
|
|
return (inb(isa->io) & 2) ? 0 : 0xffff;
|
2007-04-20 03:42:25 +08:00
|
|
|
}
|
2006-08-08 20:10:02 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
static int rtrack2_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol)
|
2007-04-20 03:42:25 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
outb(mute, isa->io);
|
2007-04-20 03:42:25 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2006-08-08 20:10:02 +08:00
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
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,
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
2012-01-16 16:24:08 +08:00
|
|
|
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,
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
static int __init rtrack2_init(void)
|
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
return isa_register_driver(&rtrack2_driver.driver, RTRACK2_MAX);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
2009-03-07 00:52:06 +08:00
|
|
|
static void __exit rtrack2_exit(void)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
2012-01-16 16:24:08 +08:00
|
|
|
isa_unregister_driver(&rtrack2_driver.driver);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
module_init(rtrack2_init);
|
2009-03-07 00:52:06 +08:00
|
|
|
module_exit(rtrack2_exit);
|