[deliverable/linux.git] / sound / pci / ctxfi / xfi.c

/*
 * xfi linux driver.
 *
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * This source file is released under GPL v2 license (no other versions).
 * See the COPYING file included in the main directory of this source
 * distribution for the license terms and conditions.
 */

#include <linux/init.h>
#include <linux/pci.h>
#include <linux/moduleparam.h>
#include <linux/pci_ids.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "ctatc.h"
#include "cthardware.h"

MODULE_AUTHOR("Creative Technology Ltd");
MODULE_DESCRIPTION("X-Fi driver version 1.03");
MODULE_LICENSE("GPL v2");
MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");

static unsigned int reference_rate = 48000;
static unsigned int multiple = 2;
MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
module_param(reference_rate, uint, S_IRUGO);
MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
module_param(multiple, uint, S_IRUGO);

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");

static struct pci_device_id ct_pci_dev_ids[] = {
	/* only X-Fi is supported, so... */
	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
	  .driver_data = ATC20K1,
	},
	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
	  .driver_data = ATC20K2,
	},
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);

static int __devinit
ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
	static int dev;
	struct snd_card *card;
	struct ct_atc *atc;
	int err;

	if (dev >= SNDRV_CARDS)
		return -ENODEV;

	if (!enable[dev]) {
		dev++;
		return -ENOENT;
	}
	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
	if (err)
		return err;
	if ((reference_rate != 48000) && (reference_rate != 44100)) {
		printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
		       reference_rate);
		printk(KERN_ERR "ctxfi: The valid values for reference_rate "
		       "are 48000 and 44100, Value 48000 is assumed.\n");
		reference_rate = 48000;
	}
	if ((multiple != 1) && (multiple != 2)) {
		printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
		       multiple);
		printk(KERN_ERR "ctxfi: The valid values for multiple are "
		       "1 and 2, Value 2 is assumed.\n");
		multiple = 2;
	}
	err = ct_atc_create(card, pci, reference_rate, multiple,
			    pci_id->driver_data, &atc);
	if (err < 0)
		goto error;

	card->private_data = atc;

	/* Create alsa devices supported by this card */
	err = ct_atc_create_alsa_devs(atc);
	if (err < 0)
		goto error;

	strcpy(card->driver, "SB-XFi");
	strcpy(card->shortname, "Creative X-Fi");
	snprintf(card->longname, sizeof(card->longname), "%s %s %s",
		 card->shortname, atc->chip_name, atc->model_name);

	err = snd_card_register(card);
	if (err < 0)
		goto error;

	pci_set_drvdata(pci, card);
	dev++;

	return 0;

error:
	snd_card_free(card);
	return err;
}

static void __devexit ct_card_remove(struct pci_dev *pci)
{
	snd_card_free(pci_get_drvdata(pci));
	pci_set_drvdata(pci, NULL);
}

#ifdef CONFIG_PM
static int ct_card_suspend(struct pci_dev *pci, pm_message_t state)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct ct_atc *atc = card->private_data;

	return atc->suspend(atc, state);
}

static int ct_card_resume(struct pci_dev *pci)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct ct_atc *atc = card->private_data;

	return atc->resume(atc);
}
#endif

static struct pci_driver ct_driver = {
	.name = "SB-XFi",
	.id_table = ct_pci_dev_ids,
	.probe = ct_card_probe,
	.remove = __devexit_p(ct_card_remove),
#ifdef CONFIG_PM
	.suspend = ct_card_suspend,
	.resume = ct_card_resume,
#endif
};

static int __init ct_card_init(void)
{
	return pci_register_driver(&ct_driver);
}

static void __exit ct_card_exit(void)
{
	pci_unregister_driver(&ct_driver);
}

module_init(ct_card_init)
module_exit(ct_card_exit)
Commit	Line	Data
8cc72361 WYC	1	/*
	2	* xfi linux driver.
	3	*
	4	* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
	5	*
	6	* This source file is released under GPL v2 license (no other versions).
	7	* See the COPYING file included in the main directory of this source
	8	* distribution for the license terms and conditions.
	9	*/
	10
	11	#include <linux/init.h>
	12	#include <linux/pci.h>
	13	#include <linux/moduleparam.h>
9fc20f03	14	#include <linux/pci_ids.h>
8cc72361 WYC	15	#include <sound/core.h>
	16	#include <sound/initval.h>
	17	#include "ctatc.h"
9470195a	18	#include "cthardware.h"
8cc72361 WYC	19
	20	MODULE_AUTHOR("Creative Technology Ltd");
	21	MODULE_DESCRIPTION("X-Fi driver version 1.03");
67fbf880	22	MODULE_LICENSE("GPL v2");
8cc72361 WYC	23	MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
	24
	25	static unsigned int reference_rate = 48000;
	26	static unsigned int multiple = 2;
aae80dc2	27	MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
8cc72361	28	module_param(reference_rate, uint, S_IRUGO);
aae80dc2	29	MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
8cc72361 WYC	30	module_param(multiple, uint, S_IRUGO);
	31
	32	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
	33	static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
	34	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
	35
aae80dc2 TI	36	module_param_array(index, int, NULL, 0444);
	37	MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
	38	module_param_array(id, charp, NULL, 0444);
	39	MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
	40	module_param_array(enable, bool, NULL, 0444);
	41	MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
	42
8cc72361 WYC	43	static struct pci_device_id ct_pci_dev_ids[] = {
8cc72361 WYC	44	/* only X-Fi is supported, so... */
9470195a TI	45	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
	46	.driver_data = ATC20K1,
	47	},
	48	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
	49	.driver_data = ATC20K2,
	50	},
8cc72361 WYC	51	{ 0, }
	52	};
	53	MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
	54
	55	static int __devinit
	56	ct_card_probe(struct pci_dev pci, const struct pci_device_id pci_id)
	57	{
	58	static int dev;
	59	struct snd_card *card;
	60	struct ct_atc *atc;
	61	int err;
	62
	63	if (dev >= SNDRV_CARDS)
	64	return -ENODEV;
	65
	66	if (!enable[dev]) {
	67	dev++;
	68	return -ENOENT;
	69	}
	70	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
	71	if (err)
	72	return err;
	73	if ((reference_rate != 48000) && (reference_rate != 44100)) {
b3e0afe6 TI	74	printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
	75	reference_rate);
	76	printk(KERN_ERR "ctxfi: The valid values for reference_rate "
	77	"are 48000 and 44100, Value 48000 is assumed.\n");
8cc72361 WYC	78	reference_rate = 48000;
	79	}
	80	if ((multiple != 1) && (multiple != 2)) {
b3e0afe6 TI	81	printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
	82	multiple);
	83	printk(KERN_ERR "ctxfi: The valid values for multiple are "
	84	"1 and 2, Value 2 is assumed.\n");
8cc72361 WYC	85	multiple = 2;
8cc72361 WYC	86	}
9470195a TI	87	err = ct_atc_create(card, pci, reference_rate, multiple,
9470195a TI	88	pci_id->driver_data, &atc);
8cc72361 WYC	89	if (err < 0)
	90	goto error;
	91
	92	card->private_data = atc;
	93
	94	/* Create alsa devices supported by this card */
2a36f67f	95	err = ct_atc_create_alsa_devs(atc);
8cc72361 WYC	96	if (err < 0)
	97	goto error;
	98
	99	strcpy(card->driver, "SB-XFi");
	100	strcpy(card->shortname, "Creative X-Fi");
9470195a TI	101	snprintf(card->longname, sizeof(card->longname), "%s %s %s",
9470195a TI	102	card->shortname, atc->chip_name, atc->model_name);
8cc72361 WYC	103
	104	err = snd_card_register(card);
	105	if (err < 0)
	106	goto error;
	107
	108	pci_set_drvdata(pci, card);
	109	dev++;
	110
	111	return 0;
	112
	113	error:
	114	snd_card_free(card);
	115	return err;
	116	}
	117
	118	static void __devexit ct_card_remove(struct pci_dev *pci)
	119	{
	120	snd_card_free(pci_get_drvdata(pci));
	121	pci_set_drvdata(pci, NULL);
	122	}
	123
29959a09 WYC	124	#ifdef CONFIG_PM
	125	static int ct_card_suspend(struct pci_dev *pci, pm_message_t state)
	126	{
	127	struct snd_card *card = pci_get_drvdata(pci);
	128	struct ct_atc *atc = card->private_data;
	129
	130	return atc->suspend(atc, state);
	131	}
	132
	133	static int ct_card_resume(struct pci_dev *pci)
	134	{
	135	struct snd_card *card = pci_get_drvdata(pci);
	136	struct ct_atc *atc = card->private_data;
	137
	138	return atc->resume(atc);
	139	}
	140	#endif
	141
8cc72361 WYC	142	static struct pci_driver ct_driver = {
	143	.name = "SB-XFi",
	144	.id_table = ct_pci_dev_ids,
	145	.probe = ct_card_probe,
	146	.remove = __devexit_p(ct_card_remove),
29959a09 WYC	147	#ifdef CONFIG_PM
	148	.suspend = ct_card_suspend,
	149	.resume = ct_card_resume,
	150	#endif
8cc72361 WYC	151	};
	152
	153	static int __init ct_card_init(void)
	154	{
	155	return pci_register_driver(&ct_driver);
	156	}
	157
	158	static void __exit ct_card_exit(void)
	159	{
	160	pci_unregister_driver(&ct_driver);
	161	}
	162
	163	module_init(ct_card_init)
	164	module_exit(ct_card_exit)