1 files changed, 0 insertions, 345 deletions
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
deleted file mode 100644
index 13a7d92e8d8d..000000000000
--- a/sound/pci/hda/hda_beep.c
+++ /dev/null
@@ -1,345 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Digital Beep Input Interface for HD-audio codec
- *
- * Author: Matt Ranostay <matt.ranostay@konsulko.com>
- * Copyright (c) 2008 Embedded Alley Solutions Inc
- */
-
-#include <linux/input.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/export.h>
-#include <sound/core.h>
-#include "hda_beep.h"
-#include "hda_local.h"
-
-enum {
-	DIGBEEP_HZ_STEP = 46875,	/* 46.875 Hz */
-	DIGBEEP_HZ_MIN = 93750,		/* 93.750 Hz */
-	DIGBEEP_HZ_MAX = 12000000,	/* 12 KHz */
-};
-
-/* generate or stop tone */
-static void generate_tone(struct hda_beep *beep, int tone)
-{
-	struct hda_codec *codec = beep->codec;
-
-	if (tone && !beep->playing) {
-		snd_hda_power_up(codec);
-		if (beep->power_hook)
-			beep->power_hook(beep, true);
-		beep->playing = 1;
-	}
-	if (!codec->beep_just_power_on)
-		snd_hda_codec_write(codec, beep->nid, 0,
-				    AC_VERB_SET_BEEP_CONTROL, tone);
-	if (!tone && beep->playing) {
-		beep->playing = 0;
-		if (beep->power_hook)
-			beep->power_hook(beep, false);
-		snd_hda_power_down(codec);
-	}
-}
-
-static void snd_hda_generate_beep(struct work_struct *work)
-{
-	struct hda_beep *beep =
-		container_of(work, struct hda_beep, beep_work);
-
-	if (beep->enabled)
-		generate_tone(beep, beep->tone);
-}
-
-/* (non-standard) Linear beep tone calculation for IDT/STAC codecs 
- *
- * The tone frequency of beep generator on IDT/STAC codecs is
- * defined from the 8bit tone parameter, in Hz,
- *    freq = 48000 * (257 - tone) / 1024
- * that is from 12kHz to 93.75Hz in steps of 46.875 Hz
- */
-static int beep_linear_tone(struct hda_beep *beep, int hz)
-{
-	if (hz <= 0)
-		return 0;
-	hz *= 1000; /* fixed point */
-	hz = hz - DIGBEEP_HZ_MIN
-		+ DIGBEEP_HZ_STEP / 2; /* round to nearest step */
-	if (hz < 0)
-		hz = 0; /* turn off PC beep*/
-	else if (hz >= (DIGBEEP_HZ_MAX - DIGBEEP_HZ_MIN))
-		hz = 1; /* max frequency */
-	else {
-		hz /= DIGBEEP_HZ_STEP;
-		hz = 255 - hz;
-	}
-	return hz;
-}
-
-/* HD-audio standard beep tone parameter calculation
- *
- * The tone frequency in Hz is calculated as
- *   freq = 48000 / (tone * 4)
- * from 47Hz to 12kHz
- */
-static int beep_standard_tone(struct hda_beep *beep, int hz)
-{
-	if (hz <= 0)
-		return 0; /* disabled */
-	hz = 12000 / hz;
-	if (hz > 0xff)
-		return 0xff;
-	if (hz <= 0)
-		return 1;
-	return hz;
-}
-
-static int snd_hda_beep_event(struct input_dev *dev, unsigned int type,
-				unsigned int code, int hz)
-{
-	struct hda_beep *beep = input_get_drvdata(dev);
-
-	switch (code) {
-	case SND_BELL:
-		if (hz)
-			hz = 1000;
-		fallthrough;
-	case SND_TONE:
-		if (beep->linear_tone)
-			beep->tone = beep_linear_tone(beep, hz);
-		else
-			beep->tone = beep_standard_tone(beep, hz);
-		break;
-	default:
-		return -1;
-	}
-
-	/* schedule beep event */
-	schedule_work(&beep->beep_work);
-	return 0;
-}
-
-static void turn_on_beep(struct hda_beep *beep)
-{
-	if (beep->keep_power_at_enable)
-		snd_hda_power_up_pm(beep->codec);
-}
-
-static void turn_off_beep(struct hda_beep *beep)
-{
-	cancel_work_sync(&beep->beep_work);
-	if (beep->playing) {
-		/* turn off beep */
-		generate_tone(beep, 0);
-	}
-	if (beep->keep_power_at_enable)
-		snd_hda_power_down_pm(beep->codec);
-}
-
-/**
- * snd_hda_enable_beep_device - Turn on/off beep sound
- * @codec: the HDA codec
- * @enable: flag to turn on/off
- */
-int snd_hda_enable_beep_device(struct hda_codec *codec, int enable)
-{
-	struct hda_beep *beep = codec->beep;
-	if (!beep)
-		return 0;
-	enable = !!enable;
-	if (beep->enabled != enable) {
-		beep->enabled = enable;
-		if (enable)
-			turn_on_beep(beep);
-		else
-			turn_off_beep(beep);
-		return 1;
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_enable_beep_device);
-
-static int beep_dev_register(struct snd_device *device)
-{
-	struct hda_beep *beep = device->device_data;
-	int err;
-
-	err = input_register_device(beep->dev);
-	if (!err)
-		beep->registered = true;
-	return err;
-}
-
-static int beep_dev_disconnect(struct snd_device *device)
-{
-	struct hda_beep *beep = device->device_data;
-
-	if (beep->registered)
-		input_unregister_device(beep->dev);
-	else
-		input_free_device(beep->dev);
-	if (beep->enabled)
-		turn_off_beep(beep);
-	return 0;
-}
-
-static int beep_dev_free(struct snd_device *device)
-{
-	struct hda_beep *beep = device->device_data;
-
-	beep->codec->beep = NULL;
-	kfree(beep);
-	return 0;
-}
-
-/**
- * snd_hda_attach_beep_device - Attach a beep input device
- * @codec: the HDA codec
- * @nid: beep NID
- *
- * Attach a beep object to the given widget.  If beep hint is turned off
- * explicitly or beep_mode of the codec is turned off, this doesn't nothing.
- *
- * Currently, only one beep device is allowed to each codec.
- */
-int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
-{
-	static const struct snd_device_ops ops = {
-		.dev_register = beep_dev_register,
-		.dev_disconnect = beep_dev_disconnect,
-		.dev_free = beep_dev_free,
-	};
-	struct input_dev *input_dev;
-	struct hda_beep *beep;
-	int err;
-
-	if (!codec->beep_just_power_on) {
-		if (!snd_hda_get_bool_hint(codec, "beep"))
-			return 0; /* disabled explicitly by hints */
-		if (codec->beep_mode == HDA_BEEP_MODE_OFF)
-			return 0; /* disabled by module option */
-	}
-
-	beep = kzalloc(sizeof(*beep), GFP_KERNEL);
-	if (beep == NULL)
-		return -ENOMEM;
-	snprintf(beep->phys, sizeof(beep->phys),
-		"card%d/codec#%d/beep0", codec->card->number, codec->addr);
-	/* enable linear scale */
-	snd_hda_codec_write_cache(codec, nid, 0,
-		AC_VERB_SET_DIGI_CONVERT_2, 0x01);
-
-	beep->nid = nid;
-	beep->codec = codec;
-	codec->beep = beep;
-
-	INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);
-
-	input_dev = input_allocate_device();
-	if (!input_dev) {
-		err = -ENOMEM;
-		goto err_free;
-	}
-
-	/* setup digital beep device */
-	input_dev->name = "HDA Digital PCBeep";
-	input_dev->phys = beep->phys;
-	input_dev->id.bustype = BUS_PCI;
-	input_dev->dev.parent = &codec->card->card_dev;
-
-	input_dev->id.vendor = codec->core.vendor_id >> 16;
-	input_dev->id.product = codec->core.vendor_id & 0xffff;
-	input_dev->id.version = 0x01;
-
-	input_dev->evbit[0] = BIT_MASK(EV_SND);
-	input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
-	input_dev->event = snd_hda_beep_event;
-	input_set_drvdata(input_dev, beep);
-
-	beep->dev = input_dev;
-
-	err = snd_device_new(codec->card, SNDRV_DEV_JACK, beep, &ops);
-	if (err < 0)
-		goto err_input;
-
-	return 0;
-
- err_input:
-	input_free_device(beep->dev);
- err_free:
-	kfree(beep);
-	codec->beep = NULL;
-	return err;
-}
-EXPORT_SYMBOL_GPL(snd_hda_attach_beep_device);
-
-/**
- * snd_hda_detach_beep_device - Detach the beep device
- * @codec: the HDA codec
- */
-void snd_hda_detach_beep_device(struct hda_codec *codec)
-{
-	if (!codec->bus->shutdown && codec->beep)
-		snd_device_free(codec->card, codec->beep);
-}
-EXPORT_SYMBOL_GPL(snd_hda_detach_beep_device);
-
-static bool ctl_has_mute(struct snd_kcontrol *kcontrol)
-{
-	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-	return query_amp_caps(codec, get_amp_nid(kcontrol),
-			      get_amp_direction(kcontrol)) & AC_AMPCAP_MUTE;
-}
-
-/* get/put callbacks for beep mute mixer switches */
-
-/**
- * snd_hda_mixer_amp_switch_get_beep - Get callback for beep controls
- * @kcontrol: ctl element
- * @ucontrol: pointer to get/store the data
- */
-int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
-				      struct snd_ctl_elem_value *ucontrol)
-{
-	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct hda_beep *beep = codec->beep;
-	int chs = get_amp_channels(kcontrol);
-
-	if (beep && (!beep->enabled || !ctl_has_mute(kcontrol))) {
-		if (chs & 1)
-			ucontrol->value.integer.value[0] = beep->enabled;
-		if (chs & 2)
-			ucontrol->value.integer.value[1] = beep->enabled;
-		return 0;
-	}
-	return snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
-}
-EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_get_beep);
-
-/**
- * snd_hda_mixer_amp_switch_put_beep - Put callback for beep controls
- * @kcontrol: ctl element
- * @ucontrol: pointer to get/store the data
- */
-int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
-				      struct snd_ctl_elem_value *ucontrol)
-{
-	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct hda_beep *beep = codec->beep;
-	if (beep) {
-		u8 chs = get_amp_channels(kcontrol);
-		int enable = 0;
-		long *valp = ucontrol->value.integer.value;
-		if (chs & 1) {
-			enable |= *valp;
-			valp++;
-		}
-		if (chs & 2)
-			enable |= *valp;
-		snd_hda_enable_beep_device(codec, enable);
-	}
-	if (!ctl_has_mute(kcontrol))
-		return 0;
-	return snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
-}
-EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put_beep);