[mirror_ubuntu-artful-kernel.git] / sound / drivers / pcsp / pcsp_mixer.c

/*
 * PC-Speaker driver for Linux
 *
 * Mixer implementation.
 * Copyright (C) 2001-2008  Stas Sergeev
 */

#include <sound/core.h>
#include <sound/control.h>
#include "pcsp.h"


static int pcsp_enable_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int pcsp_enable_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	ucontrol->value.integer.value[0] = chip->enable;
	return 0;
}

static int pcsp_enable_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	int changed = 0;
	int enab = ucontrol->value.integer.value[0];
	if (enab != chip->enable) {
		chip->enable = enab;
		changed = 1;
	}
	return changed;
}

static int pcsp_treble_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = chip->max_treble + 1;
	if (uinfo->value.enumerated.item > chip->max_treble)
		uinfo->value.enumerated.item = chip->max_treble;
	sprintf(uinfo->value.enumerated.name, "%lu",
		(unsigned long)PCSP_CALC_RATE(uinfo->value.enumerated.item));
	return 0;
}

static int pcsp_treble_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	ucontrol->value.enumerated.item[0] = chip->treble;
	return 0;
}

static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	int changed = 0;
	int treble = ucontrol->value.enumerated.item[0];
	if (treble != chip->treble) {
		chip->treble = treble;
#if PCSP_DEBUG
		printk(KERN_INFO "PCSP: rate set to %li\n", PCSP_RATE());
#endif
		changed = 1;
	}
	return changed;
}

static int pcsp_pcspkr_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int pcsp_pcspkr_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	ucontrol->value.integer.value[0] = chip->pcspkr;
	return 0;
}

static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	int changed = 0;
	int spkr = ucontrol->value.integer.value[0];
	if (spkr != chip->pcspkr) {
		chip->pcspkr = spkr;
		changed = 1;
	}
	return changed;
}

#define PCSP_MIXER_CONTROL(ctl_type, ctl_name) \
{ \
	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER, \
	.name =		ctl_name, \
	.info =		pcsp_##ctl_type##_info, \
	.get =		pcsp_##ctl_type##_get, \
	.put =		pcsp_##ctl_type##_put, \
}

static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_pcm[] = {
	PCSP_MIXER_CONTROL(enable, "Master Playback Switch"),
	PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"),
};

static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_spkr[] = {
	PCSP_MIXER_CONTROL(pcspkr, "Beep Playback Switch"),
};

static int __devinit snd_pcsp_ctls_add(struct snd_pcsp *chip,
	struct snd_kcontrol_new *ctls, int num)
{
	int i, err;
	struct snd_card *card = chip->card;
	for (i = 0; i < num; i++) {
		err = snd_ctl_add(card, snd_ctl_new1(ctls + i, chip));
		if (err < 0)
			return err;
	}
	return 0;
}

int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm)
{
	int err;
	struct snd_card *card = chip->card;

	if (!nopcm) {
		err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_pcm,
			ARRAY_SIZE(snd_pcsp_controls_pcm));
		if (err < 0)
			return err;
	}
	err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_spkr,
		ARRAY_SIZE(snd_pcsp_controls_spkr));
	if (err < 0)
		return err;

	strcpy(card->mixername, "PC-Speaker");

	return 0;
}
Commit	Line	Data
9ab4d072 SS	1	/*
	2	* PC-Speaker driver for Linux
	3	*
	4	* Mixer implementation.
	5	* Copyright (C) 2001-2008 Stas Sergeev
	6	*/
	7
	8	#include <sound/core.h>
	9	#include <sound/control.h>
	10	#include "pcsp.h"
	11
	12
	13	static int pcsp_enable_info(struct snd_kcontrol *kcontrol,
	14	struct snd_ctl_elem_info *uinfo)
	15	{
	16	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	17	uinfo->count = 1;
	18	uinfo->value.integer.min = 0;
	19	uinfo->value.integer.max = 1;
	20	return 0;
	21	}
	22
	23	static int pcsp_enable_get(struct snd_kcontrol *kcontrol,
	24	struct snd_ctl_elem_value *ucontrol)
	25	{
	26	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	27	ucontrol->value.integer.value[0] = chip->enable;
	28	return 0;
	29	}
	30
	31	static int pcsp_enable_put(struct snd_kcontrol *kcontrol,
	32	struct snd_ctl_elem_value *ucontrol)
	33	{
	34	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	35	int changed = 0;
	36	int enab = ucontrol->value.integer.value[0];
	37	if (enab != chip->enable) {
	38	chip->enable = enab;
	39	changed = 1;
	40	}
	41	return changed;
	42	}
	43
	44	static int pcsp_treble_info(struct snd_kcontrol *kcontrol,
	45	struct snd_ctl_elem_info *uinfo)
	46	{
	47	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	48	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	49	uinfo->count = 1;
	50	uinfo->value.enumerated.items = chip->max_treble + 1;
	51	if (uinfo->value.enumerated.item > chip->max_treble)
	52	uinfo->value.enumerated.item = chip->max_treble;
5a641bcd	53	sprintf(uinfo->value.enumerated.name, "%lu",
b3b778b3	54	(unsigned long)PCSP_CALC_RATE(uinfo->value.enumerated.item));
9ab4d072 SS	55	return 0;
	56	}
	57
	58	static int pcsp_treble_get(struct snd_kcontrol *kcontrol,
	59	struct snd_ctl_elem_value *ucontrol)
	60	{
	61	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	62	ucontrol->value.enumerated.item[0] = chip->treble;
	63	return 0;
	64	}
	65
	66	static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
	67	struct snd_ctl_elem_value *ucontrol)
	68	{
	69	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	70	int changed = 0;
	71	int treble = ucontrol->value.enumerated.item[0];
	72	if (treble != chip->treble) {
	73	chip->treble = treble;
	74	#if PCSP_DEBUG
b71207e9	75	printk(KERN_INFO "PCSP: rate set to %li\n", PCSP_RATE());
9ab4d072 SS	76	#endif
	77	changed = 1;
	78	}
	79	return changed;
	80	}
	81
	82	static int pcsp_pcspkr_info(struct snd_kcontrol *kcontrol,
	83	struct snd_ctl_elem_info *uinfo)
	84	{
	85	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	86	uinfo->count = 1;
	87	uinfo->value.integer.min = 0;
	88	uinfo->value.integer.max = 1;
	89	return 0;
	90	}
	91
	92	static int pcsp_pcspkr_get(struct snd_kcontrol *kcontrol,
	93	struct snd_ctl_elem_value *ucontrol)
	94	{
	95	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	96	ucontrol->value.integer.value[0] = chip->pcspkr;
	97	return 0;
	98	}
	99
	100	static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
	101	struct snd_ctl_elem_value *ucontrol)
	102	{
	103	struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
	104	int changed = 0;
	105	int spkr = ucontrol->value.integer.value[0];
	106	if (spkr != chip->pcspkr) {
	107	chip->pcspkr = spkr;
	108	changed = 1;
	109	}
	110	return changed;
	111	}
	112
	113	#define PCSP_MIXER_CONTROL(ctl_type, ctl_name) \
	114	{ \
	115	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	116	.name = ctl_name, \
	117	.info = pcsp_##ctl_type##_info, \
	118	.get = pcsp_##ctl_type##_get, \
	119	.put = pcsp_##ctl_type##_put, \
	120	}
	121
bcc2c6b7	122	static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_pcm[] = {
9ab4d072 SS	123	PCSP_MIXER_CONTROL(enable, "Master Playback Switch"),
9ab4d072 SS	124	PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"),
bcc2c6b7 SS	125	};
	126
	127	static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_spkr[] = {
d355c82a	128	PCSP_MIXER_CONTROL(pcspkr, "Beep Playback Switch"),
9ab4d072 SS	129	};
9ab4d072 SS	130
bcc2c6b7 SS	131	static int __devinit snd_pcsp_ctls_add(struct snd_pcsp *chip,
bcc2c6b7 SS	132	struct snd_kcontrol_new *ctls, int num)
9ab4d072	133	{
9ab4d072	134	int i, err;
bcc2c6b7 SS	135	struct snd_card *card = chip->card;
	136	for (i = 0; i < num; i++) {
	137	err = snd_ctl_add(card, snd_ctl_new1(ctls + i, chip));
	138	if (err < 0)
	139	return err;
	140	}
	141	return 0;
	142	}
	143
	144	int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm)
	145	{
	146	int err;
	147	struct snd_card *card = chip->card;
9ab4d072	148
bcc2c6b7 SS	149	if (!nopcm) {
	150	err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_pcm,
	151	ARRAY_SIZE(snd_pcsp_controls_pcm));
9ab4d072 SS	152	if (err < 0)
	153	return err;
	154	}
bcc2c6b7 SS	155	err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_spkr,
	156	ARRAY_SIZE(snd_pcsp_controls_spkr));
	157	if (err < 0)
	158	return err;
9ab4d072 SS	159
	160	strcpy(card->mixername, "PC-Speaker");
	161
	162	return 0;
	163	}