[GitHub/mt8127/android_kernel_alcatel_ttab.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 <linux/module.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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
static unsigned int subsystem[SNDRV_CARDS];

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");
module_param_array(subsystem, int, NULL, 0444);
MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver");

static DEFINE_PCI_DEVICE_TABLE(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) && (multiple != 4)) {
		printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
		       multiple);
		printk(KERN_ERR "ctxfi: The valid values for multiple are "
		       "1, 2 and 4, Value 2 is assumed.\n");
		multiple = 2;
	}
	err = ct_atc_create(card, pci, reference_rate, multiple,
			    pci_id->driver_data, subsystem[dev], &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_SLEEP
static int ct_card_suspend(struct device *dev)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct ct_atc *atc = card->private_data;

	return atc->suspend(atc);
}

static int ct_card_resume(struct device *dev)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct ct_atc *atc = card->private_data;

	return atc->resume(atc);
}

static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume);
#define CT_CARD_PM_OPS	&ct_card_pm
#else
#define CT_CARD_PM_OPS	NULL
#endif

static struct pci_driver ct_driver = {
	.name = KBUILD_MODNAME,
	.id_table = ct_pci_dev_ids,
	.probe = ct_card_probe,
	.remove = __devexit_p(ct_card_remove),
	.driver = {
		.pm = CT_CARD_PM_OPS,
	},
};

module_pci_driver(ct_driver);
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>
da155d5b	15	#include <linux/module.h>
8cc72361 WYC	16	#include <sound/core.h>
	17	#include <sound/initval.h>
	18	#include "ctatc.h"
9470195a	19	#include "cthardware.h"
8cc72361 WYC	20
	21	MODULE_AUTHOR("Creative Technology Ltd");
	22	MODULE_DESCRIPTION("X-Fi driver version 1.03");
67fbf880	23	MODULE_LICENSE("GPL v2");
8cc72361 WYC	24	MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
	25
	26	static unsigned int reference_rate = 48000;
	27	static unsigned int multiple = 2;
aae80dc2	28	MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
8cc72361	29	module_param(reference_rate, uint, S_IRUGO);
aae80dc2	30	MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
8cc72361 WYC	31	module_param(multiple, uint, S_IRUGO);
	32
	33	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
	34	static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
a67ff6a5	35	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
408bffd0	36	static unsigned int subsystem[SNDRV_CARDS];
8cc72361	37
aae80dc2 TI	38	module_param_array(index, int, NULL, 0444);
	39	MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
	40	module_param_array(id, charp, NULL, 0444);
	41	MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
	42	module_param_array(enable, bool, NULL, 0444);
	43	MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
408bffd0 TI	44	module_param_array(subsystem, int, NULL, 0444);
408bffd0 TI	45	MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver");
aae80dc2	46
cebe41d4	47	static DEFINE_PCI_DEVICE_TABLE(ct_pci_dev_ids) = {
8cc72361	48	/* only X-Fi is supported, so... */
9470195a TI	49	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
	50	.driver_data = ATC20K1,
	51	},
	52	{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
	53	.driver_data = ATC20K2,
	54	},
8cc72361 WYC	55	{ 0, }
	56	};
	57	MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
	58
	59	static int __devinit
	60	ct_card_probe(struct pci_dev pci, const struct pci_device_id pci_id)
	61	{
	62	static int dev;
	63	struct snd_card *card;
	64	struct ct_atc *atc;
	65	int err;
	66
	67	if (dev >= SNDRV_CARDS)
	68	return -ENODEV;
	69
	70	if (!enable[dev]) {
	71	dev++;
	72	return -ENOENT;
	73	}
	74	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
	75	if (err)
	76	return err;
	77	if ((reference_rate != 48000) && (reference_rate != 44100)) {
b3e0afe6 TI	78	printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
	79	reference_rate);
	80	printk(KERN_ERR "ctxfi: The valid values for reference_rate "
	81	"are 48000 and 44100, Value 48000 is assumed.\n");
8cc72361 WYC	82	reference_rate = 48000;
8cc72361 WYC	83	}
55309216	84	if ((multiple != 1) && (multiple != 2) && (multiple != 4)) {
b3e0afe6 TI	85	printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
	86	multiple);
	87	printk(KERN_ERR "ctxfi: The valid values for multiple are "
55309216	88	"1, 2 and 4, Value 2 is assumed.\n");
8cc72361 WYC	89	multiple = 2;
8cc72361 WYC	90	}
9470195a	91	err = ct_atc_create(card, pci, reference_rate, multiple,
408bffd0	92	pci_id->driver_data, subsystem[dev], &atc);
8cc72361 WYC	93	if (err < 0)
	94	goto error;
	95
	96	card->private_data = atc;
	97
	98	/* Create alsa devices supported by this card */
2a36f67f	99	err = ct_atc_create_alsa_devs(atc);
8cc72361 WYC	100	if (err < 0)
	101	goto error;
	102
	103	strcpy(card->driver, "SB-XFi");
	104	strcpy(card->shortname, "Creative X-Fi");
9470195a TI	105	snprintf(card->longname, sizeof(card->longname), "%s %s %s",
9470195a TI	106	card->shortname, atc->chip_name, atc->model_name);
8cc72361 WYC	107
	108	err = snd_card_register(card);
	109	if (err < 0)
	110	goto error;
	111
	112	pci_set_drvdata(pci, card);
	113	dev++;
	114
	115	return 0;
	116
	117	error:
	118	snd_card_free(card);
	119	return err;
	120	}
	121
	122	static void __devexit ct_card_remove(struct pci_dev *pci)
	123	{
	124	snd_card_free(pci_get_drvdata(pci));
	125	pci_set_drvdata(pci, NULL);
	126	}
	127
c7561cd8	128	#ifdef CONFIG_PM_SLEEP
68cb2b55	129	static int ct_card_suspend(struct device *dev)
29959a09	130	{
68cb2b55	131	struct snd_card *card = dev_get_drvdata(dev);
29959a09 WYC	132	struct ct_atc *atc = card->private_data;
29959a09 WYC	133
68cb2b55	134	return atc->suspend(atc);
29959a09 WYC	135	}
29959a09 WYC	136
68cb2b55	137	static int ct_card_resume(struct device *dev)
29959a09	138	{
68cb2b55	139	struct snd_card *card = dev_get_drvdata(dev);
29959a09 WYC	140	struct ct_atc *atc = card->private_data;
	141
	142	return atc->resume(atc);
	143	}
68cb2b55 TI	144
	145	static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume);
	146	#define CT_CARD_PM_OPS &ct_card_pm
	147	#else
	148	#define CT_CARD_PM_OPS NULL
29959a09 WYC	149	#endif
29959a09 WYC	150
8cc72361	151	static struct pci_driver ct_driver = {
3733e424	152	.name = KBUILD_MODNAME,
8cc72361 WYC	153	.id_table = ct_pci_dev_ids,
	154	.probe = ct_card_probe,
	155	.remove = __devexit_p(ct_card_remove),
68cb2b55 TI	156	.driver = {
	157	.pm = CT_CARD_PM_OPS,
	158	},
8cc72361 WYC	159	};
8cc72361 WYC	160
e9f66d9b	161	module_pci_driver(ct_driver);