[deliverable/linux.git] / drivers / media / radio / radio-sf16fmr2.c

/* SF16-FMR2 and SF16-FMD2 radio driver for Linux
 * Copyright (c) 2011 Ondrej Zary
 *
 * Original driver was (c) 2000-2002 Ziglio Frediano, freddy77@angelfire.com
 * but almost nothing remained here after conversion to generic TEA575x
 * implementation
 */

#include <linux/delay.h>
#include <linux/module.h>	/* Modules 			*/
#include <linux/init.h>		/* Initdata			*/
#include <linux/slab.h>
#include <linux/ioport.h>	/* request_region		*/
#include <linux/io.h>		/* outb, outb_p			*/
#include <linux/isa.h>
#include <linux/pnp.h>
#include <sound/tea575x-tuner.h>

MODULE_AUTHOR("Ondrej Zary");
MODULE_DESCRIPTION("MediaForte SF16-FMR2 and SF16-FMD2 FM radio card driver");
MODULE_LICENSE("GPL");

/* these cards can only use two different ports (0x384 and 0x284) */
#define FMR2_MAX 2

static int radio_nr[FMR2_MAX] = { [0 ... (FMR2_MAX - 1)] = -1 };
module_param_array(radio_nr, int, NULL, 0444);
MODULE_PARM_DESC(radio_nr, "Radio device numbers");

struct fmr2 {
	int io;
	struct v4l2_device v4l2_dev;
	struct snd_tea575x tea;
	struct v4l2_ctrl *volume;
	struct v4l2_ctrl *balance;
	bool is_fmd2;
};

static int num_fmr2_cards;
static struct fmr2 *fmr2_cards[FMR2_MAX];
static bool isa_registered;
static bool pnp_registered;

/* the port is hardwired on SF16-FMR2 */
#define FMR2_PORT	0x384

/* TEA575x tuner pins */
#define STR_DATA	(1 << 0)
#define STR_CLK		(1 << 1)
#define STR_WREN	(1 << 2)
#define STR_MOST	(1 << 3)
/* PT2254A/TC9154A volume control pins */
#define PT_ST		(1 << 4)
#define PT_CK		(1 << 5)
#define PT_DATA		(1 << 6)
/* volume control presence pin */
#define FMR2_HASVOL	(1 << 7)

static void fmr2_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
{
	struct fmr2 *fmr2 = tea->private_data;
	u8 bits = 0;

	bits |= (pins & TEA575X_DATA) ? STR_DATA : 0;
	bits |= (pins & TEA575X_CLK)  ? STR_CLK  : 0;
	/* WRITE_ENABLE is inverted, DATA must be high during read */
	bits |= (pins & TEA575X_WREN) ? 0 : STR_WREN | STR_DATA;

	outb(bits, fmr2->io);
}

static u8 fmr2_tea575x_get_pins(struct snd_tea575x *tea)
{
	struct fmr2 *fmr2 = tea->private_data;
	u8 bits = inb(fmr2->io);

	return  (bits & STR_DATA) ? TEA575X_DATA : 0 |
		(bits & STR_MOST) ? TEA575X_MOST : 0;
}

static void fmr2_tea575x_set_direction(struct snd_tea575x *tea, bool output)
{
}

static struct snd_tea575x_ops fmr2_tea_ops = {
	.set_pins = fmr2_tea575x_set_pins,
	.get_pins = fmr2_tea575x_get_pins,
	.set_direction = fmr2_tea575x_set_direction,
};

/* TC9154A/PT2254A volume control */

/* 18-bit shift register bit definitions */
#define TC9154A_ATT_MAJ_0DB	(1 << 0)
#define TC9154A_ATT_MAJ_10DB	(1 << 1)
#define TC9154A_ATT_MAJ_20DB	(1 << 2)
#define TC9154A_ATT_MAJ_30DB	(1 << 3)
#define TC9154A_ATT_MAJ_40DB	(1 << 4)
#define TC9154A_ATT_MAJ_50DB	(1 << 5)
#define TC9154A_ATT_MAJ_60DB	(1 << 6)

#define TC9154A_ATT_MIN_0DB	(1 << 7)
#define TC9154A_ATT_MIN_2DB	(1 << 8)
#define TC9154A_ATT_MIN_4DB	(1 << 9)
#define TC9154A_ATT_MIN_6DB	(1 << 10)
#define TC9154A_ATT_MIN_8DB	(1 << 11)
/* bit 12 is ignored */
#define TC9154A_CHANNEL_LEFT	(1 << 13)
#define TC9154A_CHANNEL_RIGHT	(1 << 14)
/* bits 15, 16, 17 must be 0 */

#define	TC9154A_ATT_MAJ(x)	(1 << x)
#define TC9154A_ATT_MIN(x)	(1 << (7 + x))

static void tc9154a_set_pins(struct fmr2 *fmr2, u8 pins)
{
	if (!fmr2->tea.mute)
		pins |= STR_WREN;

	outb(pins, fmr2->io);
}

static void tc9154a_set_attenuation(struct fmr2 *fmr2, int att, u32 channel)
{
	int i;
	u32 reg;
	u8 bit;

	reg = TC9154A_ATT_MAJ(att / 10) | TC9154A_ATT_MIN((att % 10) / 2);
	reg |= channel;
	/* write 18-bit shift register, LSB first */
	for (i = 0; i < 18; i++) {
		bit = reg & (1 << i) ? PT_DATA : 0;
		tc9154a_set_pins(fmr2, bit);
		udelay(5);
		tc9154a_set_pins(fmr2, bit | PT_CK);
		udelay(5);
		tc9154a_set_pins(fmr2, bit);
	}

	/* latch register data */
	udelay(5);
	tc9154a_set_pins(fmr2, PT_ST);
	udelay(5);
	tc9154a_set_pins(fmr2, 0);
}

static int fmr2_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct snd_tea575x *tea = container_of(ctrl->handler, struct snd_tea575x, ctrl_handler);
	struct fmr2 *fmr2 = tea->private_data;
	int volume, balance, left, right;

	switch (ctrl->id) {
	case V4L2_CID_AUDIO_VOLUME:
		volume = ctrl->val;
		balance = fmr2->balance->cur.val;
		break;
	case V4L2_CID_AUDIO_BALANCE:
		balance = ctrl->val;
		volume = fmr2->volume->cur.val;
		break;
	default:
		return -EINVAL;
	}

	left = right = volume;
	if (balance < 0)
		right = max(0, right + balance);
	if (balance > 0)
		left = max(0, left - balance);

	tc9154a_set_attenuation(fmr2, abs(left - 68), TC9154A_CHANNEL_LEFT);
	tc9154a_set_attenuation(fmr2, abs(right - 68), TC9154A_CHANNEL_RIGHT);

	return 0;
}

static const struct v4l2_ctrl_ops fmr2_ctrl_ops = {
	.s_ctrl = fmr2_s_ctrl,
};

static int fmr2_tea_ext_init(struct snd_tea575x *tea)
{
	struct fmr2 *fmr2 = tea->private_data;

	/* FMR2 can have volume control, FMD2 can't (uses SB16 mixer) */
	if (!fmr2->is_fmd2 && inb(fmr2->io) & FMR2_HASVOL) {
		fmr2->volume = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 0, 68, 2, 56);
		fmr2->balance = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_BALANCE, -68, 68, 2, 0);
		if (tea->ctrl_handler.error) {
			printk(KERN_ERR "radio-sf16fmr2: can't initialize controls\n");
			return tea->ctrl_handler.error;
		}
	}

	return 0;
}

static struct pnp_device_id fmr2_pnp_ids[] __devinitdata = {
	{ .id = "MFRad13" }, /* tuner subdevice of SF16-FMD2 */
	{ .id = "" }
};
MODULE_DEVICE_TABLE(pnp, fmr2_pnp_ids);

static int __devinit fmr2_probe(struct fmr2 *fmr2, struct device *pdev, int io)
{
	int err, i;
	char *card_name = fmr2->is_fmd2 ? "SF16-FMD2" : "SF16-FMR2";

	/* avoid errors if a card was already registered at given port */
	for (i = 0; i < num_fmr2_cards; i++)
		if (io == fmr2_cards[i]->io)
			return -EBUSY;

	strlcpy(fmr2->v4l2_dev.name, "radio-sf16fmr2",
			sizeof(fmr2->v4l2_dev.name)),
	fmr2->io = io;

	if (!request_region(fmr2->io, 2, fmr2->v4l2_dev.name)) {
		printk(KERN_ERR "radio-sf16fmr2: I/O port 0x%x already in use\n", fmr2->io);
		return -EBUSY;
	}

	dev_set_drvdata(pdev, fmr2);
	err = v4l2_device_register(pdev, &fmr2->v4l2_dev);
	if (err < 0) {
		v4l2_err(&fmr2->v4l2_dev, "Could not register v4l2_device\n");
		release_region(fmr2->io, 2);
		return err;
	}
	fmr2->tea.v4l2_dev = &fmr2->v4l2_dev;
	fmr2->tea.private_data = fmr2;
	fmr2->tea.radio_nr = radio_nr[num_fmr2_cards];
	fmr2->tea.ops = &fmr2_tea_ops;
	fmr2->tea.ext_init = fmr2_tea_ext_init;
	strlcpy(fmr2->tea.card, card_name, sizeof(fmr2->tea.card));
	snprintf(fmr2->tea.bus_info, sizeof(fmr2->tea.bus_info), "%s:%s",
			fmr2->is_fmd2 ? "PnP" : "ISA", dev_name(pdev));

	if (snd_tea575x_init(&fmr2->tea, THIS_MODULE)) {
		printk(KERN_ERR "radio-sf16fmr2: Unable to detect TEA575x tuner\n");
		release_region(fmr2->io, 2);
		return -ENODEV;
	}

	printk(KERN_INFO "radio-sf16fmr2: %s radio card at 0x%x.\n",
			card_name, fmr2->io);
	return 0;
}

static int __devinit fmr2_isa_match(struct device *pdev, unsigned int ndev)
{
	struct fmr2 *fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL);
	if (!fmr2)
		return 0;

	if (fmr2_probe(fmr2, pdev, FMR2_PORT)) {
		kfree(fmr2);
		return 0;
	}
	dev_set_drvdata(pdev, fmr2);
	fmr2_cards[num_fmr2_cards++] = fmr2;

	return 1;
}

static int __devinit fmr2_pnp_probe(struct pnp_dev *pdev,
				const struct pnp_device_id *id)
{
	int ret;
	struct fmr2 *fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL);
	if (!fmr2)
		return -ENOMEM;

	fmr2->is_fmd2 = true;
	ret = fmr2_probe(fmr2, &pdev->dev, pnp_port_start(pdev, 0));
	if (ret) {
		kfree(fmr2);
		return ret;
	}
	pnp_set_drvdata(pdev, fmr2);
	fmr2_cards[num_fmr2_cards++] = fmr2;

	return 0;
}

static void __devexit fmr2_remove(struct fmr2 *fmr2)
{
	snd_tea575x_exit(&fmr2->tea);
	release_region(fmr2->io, 2);
	v4l2_device_unregister(&fmr2->v4l2_dev);
	kfree(fmr2);
}

static int __devexit fmr2_isa_remove(struct device *pdev, unsigned int ndev)
{
	fmr2_remove(dev_get_drvdata(pdev));
	dev_set_drvdata(pdev, NULL);

	return 0;
}

static void __devexit fmr2_pnp_remove(struct pnp_dev *pdev)
{
	fmr2_remove(pnp_get_drvdata(pdev));
	pnp_set_drvdata(pdev, NULL);
}

struct isa_driver fmr2_isa_driver = {
	.match		= fmr2_isa_match,
	.remove		= __devexit_p(fmr2_isa_remove),
	.driver		= {
		.name	= "radio-sf16fmr2",
	},
};

struct pnp_driver fmr2_pnp_driver = {
	.name		= "radio-sf16fmr2",
	.id_table	= fmr2_pnp_ids,
	.probe		= fmr2_pnp_probe,
	.remove		= __devexit_p(fmr2_pnp_remove),
};

static int __init fmr2_init(void)
{
	int ret;

	ret = pnp_register_driver(&fmr2_pnp_driver);
	if (!ret)
		pnp_registered = true;
	ret = isa_register_driver(&fmr2_isa_driver, 1);
	if (!ret)
		isa_registered = true;

	return (pnp_registered || isa_registered) ? 0 : ret;
}

static void __exit fmr2_exit(void)
{
	if (pnp_registered)
		pnp_unregister_driver(&fmr2_pnp_driver);
	if (isa_registered)
		isa_unregister_driver(&fmr2_isa_driver);
}

module_init(fmr2_init);
module_exit(fmr2_exit);
Commit	Line	Data
3491a88e	1	/* SF16-FMR2 and SF16-FMD2 radio driver for Linux
9e8fa0e6	2	* Copyright (c) 2011 Ondrej Zary
1da177e4	3	*
9e8fa0e6 OZ	4	* Original driver was (c) 2000-2002 Ziglio Frediano, freddy77@angelfire.com
	5	* but almost nothing remained here after conversion to generic TEA575x
	6	* implementation
1da177e4 LT	7	*/
1da177e4 LT	8
9e8fa0e6	9	#include <linux/delay.h>
1da177e4 LT	10	#include <linux/module.h> /* Modules */
1da177e4 LT	11	#include <linux/init.h> /* Initdata */
d4ecc83b	12	#include <linux/slab.h>
fb911ee8	13	#include <linux/ioport.h> /* request_region */
c32a9d71	14	#include <linux/io.h> /* outb, outb_p */
d4ecc83b	15	#include <linux/isa.h>
3491a88e	16	#include <linux/pnp.h>
9e8fa0e6	17	#include <sound/tea575x-tuner.h>
1da177e4	18
9e8fa0e6	19	MODULE_AUTHOR("Ondrej Zary");
3491a88e	20	MODULE_DESCRIPTION("MediaForte SF16-FMR2 and SF16-FMD2 FM radio card driver");
c32a9d71 HV	21	MODULE_LICENSE("GPL");
c32a9d71 HV	22
3491a88e OZ	23	/* these cards can only use two different ports (0x384 and 0x284) */
	24	#define FMR2_MAX 2
	25
	26	static int radio_nr[FMR2_MAX] = { [0 ... (FMR2_MAX - 1)] = -1 };
	27	module_param_array(radio_nr, int, NULL, 0444);
	28	MODULE_PARM_DESC(radio_nr, "Radio device numbers");
d4ecc83b	29
9e8fa0e6	30	struct fmr2 {
c32a9d71	31	int io;
d4ecc83b	32	struct v4l2_device v4l2_dev;
9e8fa0e6 OZ	33	struct snd_tea575x tea;
	34	struct v4l2_ctrl *volume;
	35	struct v4l2_ctrl *balance;
3491a88e	36	bool is_fmd2;
1da177e4 LT	37	};
1da177e4 LT	38
3491a88e OZ	39	static int num_fmr2_cards;
	40	static struct fmr2 *fmr2_cards[FMR2_MAX];
	41	static bool isa_registered;
	42	static bool pnp_registered;
	43
	44	/* the port is hardwired on SF16-FMR2 */
9e8fa0e6	45	#define FMR2_PORT 0x384
1da177e4	46
9e8fa0e6 OZ	47	/* TEA575x tuner pins */
	48	#define STR_DATA (1 << 0)
	49	#define STR_CLK (1 << 1)
	50	#define STR_WREN (1 << 2)
	51	#define STR_MOST (1 << 3)
	52	/* PT2254A/TC9154A volume control pins */
	53	#define PT_ST (1 << 4)
	54	#define PT_CK (1 << 5)
	55	#define PT_DATA (1 << 6)
	56	/* volume control presence pin */
	57	#define FMR2_HASVOL (1 << 7)
1da177e4	58
9e8fa0e6	59	static void fmr2_tea575x_set_pins(struct snd_tea575x *tea, u8 pins)
1da177e4	60	{
9e8fa0e6 OZ	61	struct fmr2 *fmr2 = tea->private_data;
9e8fa0e6 OZ	62	u8 bits = 0;
1da177e4	63
9e8fa0e6 OZ	64	bits \|= (pins & TEA575X_DATA) ? STR_DATA : 0;
	65	bits \|= (pins & TEA575X_CLK) ? STR_CLK : 0;
	66	/* WRITE_ENABLE is inverted, DATA must be high during read */
	67	bits \|= (pins & TEA575X_WREN) ? 0 : STR_WREN \| STR_DATA;
1da177e4	68
9e8fa0e6	69	outb(bits, fmr2->io);
1da177e4 LT	70	}
1da177e4 LT	71
9e8fa0e6	72	static u8 fmr2_tea575x_get_pins(struct snd_tea575x *tea)
1da177e4	73	{
9e8fa0e6 OZ	74	struct fmr2 *fmr2 = tea->private_data;
9e8fa0e6 OZ	75	u8 bits = inb(fmr2->io);
34ab962d	76
9e8fa0e6 OZ	77	return (bits & STR_DATA) ? TEA575X_DATA : 0 \|
9e8fa0e6 OZ	78	(bits & STR_MOST) ? TEA575X_MOST : 0;
34ab962d	79	}
acda0e71	80
9e8fa0e6	81	static void fmr2_tea575x_set_direction(struct snd_tea575x *tea, bool output)
34ab962d	82	{
34ab962d	83	}
acda0e71	84
9e8fa0e6 OZ	85	static struct snd_tea575x_ops fmr2_tea_ops = {
	86	.set_pins = fmr2_tea575x_set_pins,
	87	.get_pins = fmr2_tea575x_get_pins,
	88	.set_direction = fmr2_tea575x_set_direction,
	89	};
acda0e71	90
9e8fa0e6 OZ	91	/* TC9154A/PT2254A volume control */
	92
	93	/* 18-bit shift register bit definitions */
	94	#define TC9154A_ATT_MAJ_0DB (1 << 0)
	95	#define TC9154A_ATT_MAJ_10DB (1 << 1)
	96	#define TC9154A_ATT_MAJ_20DB (1 << 2)
	97	#define TC9154A_ATT_MAJ_30DB (1 << 3)
	98	#define TC9154A_ATT_MAJ_40DB (1 << 4)
	99	#define TC9154A_ATT_MAJ_50DB (1 << 5)
	100	#define TC9154A_ATT_MAJ_60DB (1 << 6)
	101
	102	#define TC9154A_ATT_MIN_0DB (1 << 7)
	103	#define TC9154A_ATT_MIN_2DB (1 << 8)
	104	#define TC9154A_ATT_MIN_4DB (1 << 9)
	105	#define TC9154A_ATT_MIN_6DB (1 << 10)
	106	#define TC9154A_ATT_MIN_8DB (1 << 11)
	107	/* bit 12 is ignored */
	108	#define TC9154A_CHANNEL_LEFT (1 << 13)
	109	#define TC9154A_CHANNEL_RIGHT (1 << 14)
	110	/* bits 15, 16, 17 must be 0 */
	111
	112	#define TC9154A_ATT_MAJ(x) (1 << x)
	113	#define TC9154A_ATT_MIN(x) (1 << (7 + x))
	114
	115	static void tc9154a_set_pins(struct fmr2 *fmr2, u8 pins)
	116	{
	117	if (!fmr2->tea.mute)
	118	pins \|= STR_WREN;
	119
	120	outb(pins, fmr2->io);
	121	}
	122
	123	static void tc9154a_set_attenuation(struct fmr2 *fmr2, int att, u32 channel)
	124	{
	125	int i;
	126	u32 reg;
	127	u8 bit;
	128
	129	reg = TC9154A_ATT_MAJ(att / 10) \| TC9154A_ATT_MIN((att % 10) / 2);
	130	reg \|= channel;
	131	/* write 18-bit shift register, LSB first */
	132	for (i = 0; i < 18; i++) {
	133	bit = reg & (1 << i) ? PT_DATA : 0;
	134	tc9154a_set_pins(fmr2, bit);
	135	udelay(5);
	136	tc9154a_set_pins(fmr2, bit \| PT_CK);
	137	udelay(5);
	138	tc9154a_set_pins(fmr2, bit);
34ab962d	139	}
acda0e71	140
9e8fa0e6 OZ	141	/* latch register data */
	142	udelay(5);
	143	tc9154a_set_pins(fmr2, PT_ST);
	144	udelay(5);
	145	tc9154a_set_pins(fmr2, 0);
34ab962d DL	146	}
34ab962d DL	147
9e8fa0e6	148	static int fmr2_s_ctrl(struct v4l2_ctrl *ctrl)
34ab962d	149	{
9e8fa0e6 OZ	150	struct snd_tea575x *tea = container_of(ctrl->handler, struct snd_tea575x, ctrl_handler);
	151	struct fmr2 *fmr2 = tea->private_data;
	152	int volume, balance, left, right;
34ab962d DL	153
34ab962d DL	154	switch (ctrl->id) {
34ab962d	155	case V4L2_CID_AUDIO_VOLUME:
9e8fa0e6 OZ	156	volume = ctrl->val;
9e8fa0e6 OZ	157	balance = fmr2->balance->cur.val;
34ab962d	158	break;
9e8fa0e6 OZ	159	case V4L2_CID_AUDIO_BALANCE:
	160	balance = ctrl->val;
	161	volume = fmr2->volume->cur.val;
34ab962d DL	162	break;
	163	default:
	164	return -EINVAL;
	165	}
	166
9e8fa0e6 OZ	167	left = right = volume;
	168	if (balance < 0)
	169	right = max(0, right + balance);
	170	if (balance > 0)
	171	left = max(0, left - balance);
1da177e4	172
9e8fa0e6 OZ	173	tc9154a_set_attenuation(fmr2, abs(left - 68), TC9154A_CHANNEL_LEFT);
9e8fa0e6 OZ	174	tc9154a_set_attenuation(fmr2, abs(right - 68), TC9154A_CHANNEL_RIGHT);
34ab962d	175
34ab962d	176	return 0;
1da177e4 LT	177	}
1da177e4 LT	178
9e8fa0e6 OZ	179	static const struct v4l2_ctrl_ops fmr2_ctrl_ops = {
	180	.s_ctrl = fmr2_s_ctrl,
	181	};
	182
	183	static int fmr2_tea_ext_init(struct snd_tea575x *tea)
c32a9d71	184	{
9e8fa0e6	185	struct fmr2 *fmr2 = tea->private_data;
1da177e4	186
3491a88e OZ	187	/* FMR2 can have volume control, FMD2 can't (uses SB16 mixer) */
3491a88e OZ	188	if (!fmr2->is_fmd2 && inb(fmr2->io) & FMR2_HASVOL) {
9e8fa0e6 OZ	189	fmr2->volume = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 0, 68, 2, 56);
	190	fmr2->balance = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_BALANCE, -68, 68, 2, 0);
	191	if (tea->ctrl_handler.error) {
bdb2c41f	192	printk(KERN_ERR "radio-sf16fmr2: can't initialize controls\n");
9e8fa0e6 OZ	193	return tea->ctrl_handler.error;
	194	}
	195	}
1da177e4	196
9e8fa0e6 OZ	197	return 0;
9e8fa0e6 OZ	198	}
1da177e4	199
3491a88e OZ	200	static struct pnp_device_id fmr2_pnp_ids[] __devinitdata = {
	201	{ .id = "MFRad13" }, /* tuner subdevice of SF16-FMD2 */
	202	{ .id = "" }
	203	};
	204	MODULE_DEVICE_TABLE(pnp, fmr2_pnp_ids);
	205
	206	static int __devinit fmr2_probe(struct fmr2 fmr2, struct device pdev, int io)
1da177e4	207	{
3491a88e OZ	208	int err, i;
3491a88e OZ	209	char *card_name = fmr2->is_fmd2 ? "SF16-FMD2" : "SF16-FMR2";
d4ecc83b	210
3491a88e OZ	211	/* avoid errors if a card was already registered at given port */
	212	for (i = 0; i < num_fmr2_cards; i++)
	213	if (io == fmr2_cards[i]->io)
	214	return -EBUSY;
c32a9d71	215
3491a88e OZ	216	strlcpy(fmr2->v4l2_dev.name, "radio-sf16fmr2",
	217	sizeof(fmr2->v4l2_dev.name)),
	218	fmr2->io = io;
c32a9d71	219
d4ecc83b	220	if (!request_region(fmr2->io, 2, fmr2->v4l2_dev.name)) {
9e8fa0e6	221	printk(KERN_ERR "radio-sf16fmr2: I/O port 0x%x already in use\n", fmr2->io);
1da177e4 LT	222	return -EBUSY;
	223	}
	224
d4ecc83b HV	225	dev_set_drvdata(pdev, fmr2);
	226	err = v4l2_device_register(pdev, &fmr2->v4l2_dev);
	227	if (err < 0) {
	228	v4l2_err(&fmr2->v4l2_dev, "Could not register v4l2_device\n");
	229	release_region(fmr2->io, 2);
d4ecc83b HV	230	return err;
	231	}
	232	fmr2->tea.v4l2_dev = &fmr2->v4l2_dev;
9e8fa0e6	233	fmr2->tea.private_data = fmr2;
3491a88e	234	fmr2->tea.radio_nr = radio_nr[num_fmr2_cards];
9e8fa0e6 OZ	235	fmr2->tea.ops = &fmr2_tea_ops;
9e8fa0e6 OZ	236	fmr2->tea.ext_init = fmr2_tea_ext_init;
3491a88e OZ	237	strlcpy(fmr2->tea.card, card_name, sizeof(fmr2->tea.card));
	238	snprintf(fmr2->tea.bus_info, sizeof(fmr2->tea.bus_info), "%s:%s",
	239	fmr2->is_fmd2 ? "PnP" : "ISA", dev_name(pdev));
1da177e4	240
5daf53a6	241	if (snd_tea575x_init(&fmr2->tea, THIS_MODULE)) {
9e8fa0e6	242	printk(KERN_ERR "radio-sf16fmr2: Unable to detect TEA575x tuner\n");
c32a9d71	243	release_region(fmr2->io, 2);
9e8fa0e6	244	return -ENODEV;
c32a9d71	245	}
b2cb200f	246
3491a88e OZ	247	printk(KERN_INFO "radio-sf16fmr2: %s radio card at 0x%x.\n",
3491a88e OZ	248	card_name, fmr2->io);
1da177e4 LT	249	return 0;
	250	}
	251
3491a88e OZ	252	static int __devinit fmr2_isa_match(struct device *pdev, unsigned int ndev)
	253	{
	254	struct fmr2 fmr2 = kzalloc(sizeof(fmr2), GFP_KERNEL);
	255	if (!fmr2)
	256	return 0;
	257
	258	if (fmr2_probe(fmr2, pdev, FMR2_PORT)) {
	259	kfree(fmr2);
	260	return 0;
	261	}
	262	dev_set_drvdata(pdev, fmr2);
	263	fmr2_cards[num_fmr2_cards++] = fmr2;
	264
	265	return 1;
	266	}
	267
	268	static int __devinit fmr2_pnp_probe(struct pnp_dev *pdev,
	269	const struct pnp_device_id *id)
1da177e4	270	{
3491a88e OZ	271	int ret;
	272	struct fmr2 fmr2 = kzalloc(sizeof(fmr2), GFP_KERNEL);
	273	if (!fmr2)
	274	return -ENOMEM;
c32a9d71	275
3491a88e OZ	276	fmr2->is_fmd2 = true;
	277	ret = fmr2_probe(fmr2, &pdev->dev, pnp_port_start(pdev, 0));
	278	if (ret) {
	279	kfree(fmr2);
	280	return ret;
	281	}
	282	pnp_set_drvdata(pdev, fmr2);
	283	fmr2_cards[num_fmr2_cards++] = fmr2;
	284
	285	return 0;
	286	}
	287
	288	static void __devexit fmr2_remove(struct fmr2 *fmr2)
	289	{
9e8fa0e6	290	snd_tea575x_exit(&fmr2->tea);
c32a9d71	291	release_region(fmr2->io, 2);
d4ecc83b HV	292	v4l2_device_unregister(&fmr2->v4l2_dev);
d4ecc83b HV	293	kfree(fmr2);
3491a88e OZ	294	}
	295
	296	static int __devexit fmr2_isa_remove(struct device *pdev, unsigned int ndev)
	297	{
	298	fmr2_remove(dev_get_drvdata(pdev));
	299	dev_set_drvdata(pdev, NULL);
	300
d4ecc83b HV	301	return 0;
	302	}
	303
3491a88e OZ	304	static void __devexit fmr2_pnp_remove(struct pnp_dev *pdev)
	305	{
	306	fmr2_remove(pnp_get_drvdata(pdev));
	307	pnp_set_drvdata(pdev, NULL);
	308	}
	309
	310	struct isa_driver fmr2_isa_driver = {
	311	.match = fmr2_isa_match,
	312	.remove = __devexit_p(fmr2_isa_remove),
d4ecc83b HV	313	.driver = {
	314	.name = "radio-sf16fmr2",
	315	},
	316	};
	317
3491a88e OZ	318	struct pnp_driver fmr2_pnp_driver = {
	319	.name = "radio-sf16fmr2",
	320	.id_table = fmr2_pnp_ids,
	321	.probe = fmr2_pnp_probe,
	322	.remove = __devexit_p(fmr2_pnp_remove),
	323	};
	324
d4ecc83b HV	325	static int __init fmr2_init(void)
d4ecc83b HV	326	{
3491a88e OZ	327	int ret;
	328
	329	ret = pnp_register_driver(&fmr2_pnp_driver);
	330	if (!ret)
	331	pnp_registered = true;
	332	ret = isa_register_driver(&fmr2_isa_driver, 1);
	333	if (!ret)
	334	isa_registered = true;
	335
	336	return (pnp_registered \|\| isa_registered) ? 0 : ret;
d4ecc83b HV	337	}
	338
	339	static void __exit fmr2_exit(void)
	340	{
3491a88e OZ	341	if (pnp_registered)
	342	pnp_unregister_driver(&fmr2_pnp_driver);
	343	if (isa_registered)
	344	isa_unregister_driver(&fmr2_isa_driver);
1da177e4 LT	345	}
	346
	347	module_init(fmr2_init);
c32a9d71	348	module_exit(fmr2_exit);