cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sb_mixer.c (28059B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
      4 *  Routines for Sound Blaster mixer control
      5 */
      6
      7#include <linux/io.h>
      8#include <linux/delay.h>
      9#include <linux/time.h>
     10#include <sound/core.h>
     11#include <sound/sb.h>
     12#include <sound/control.h>
     13
     14#undef IO_DEBUG
     15
     16void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
     17{
     18	outb(reg, SBP(chip, MIXER_ADDR));
     19	udelay(10);
     20	outb(data, SBP(chip, MIXER_DATA));
     21	udelay(10);
     22#ifdef IO_DEBUG
     23	snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
     24#endif
     25}
     26
     27unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
     28{
     29	unsigned char result;
     30
     31	outb(reg, SBP(chip, MIXER_ADDR));
     32	udelay(10);
     33	result = inb(SBP(chip, MIXER_DATA));
     34	udelay(10);
     35#ifdef IO_DEBUG
     36	snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
     37#endif
     38	return result;
     39}
     40
     41/*
     42 * Single channel mixer element
     43 */
     44
     45static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
     46{
     47	int mask = (kcontrol->private_value >> 24) & 0xff;
     48
     49	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
     50	uinfo->count = 1;
     51	uinfo->value.integer.min = 0;
     52	uinfo->value.integer.max = mask;
     53	return 0;
     54}
     55
     56static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
     57{
     58	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
     59	unsigned long flags;
     60	int reg = kcontrol->private_value & 0xff;
     61	int shift = (kcontrol->private_value >> 16) & 0xff;
     62	int mask = (kcontrol->private_value >> 24) & 0xff;
     63	unsigned char val;
     64
     65	spin_lock_irqsave(&sb->mixer_lock, flags);
     66	val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
     67	spin_unlock_irqrestore(&sb->mixer_lock, flags);
     68	ucontrol->value.integer.value[0] = val;
     69	return 0;
     70}
     71
     72static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
     73{
     74	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
     75	unsigned long flags;
     76	int reg = kcontrol->private_value & 0xff;
     77	int shift = (kcontrol->private_value >> 16) & 0x07;
     78	int mask = (kcontrol->private_value >> 24) & 0xff;
     79	int change;
     80	unsigned char val, oval;
     81
     82	val = (ucontrol->value.integer.value[0] & mask) << shift;
     83	spin_lock_irqsave(&sb->mixer_lock, flags);
     84	oval = snd_sbmixer_read(sb, reg);
     85	val = (oval & ~(mask << shift)) | val;
     86	change = val != oval;
     87	if (change)
     88		snd_sbmixer_write(sb, reg, val);
     89	spin_unlock_irqrestore(&sb->mixer_lock, flags);
     90	return change;
     91}
     92
     93/*
     94 * Double channel mixer element
     95 */
     96
     97static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
     98{
     99	int mask = (kcontrol->private_value >> 24) & 0xff;
    100
    101	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
    102	uinfo->count = 2;
    103	uinfo->value.integer.min = 0;
    104	uinfo->value.integer.max = mask;
    105	return 0;
    106}
    107
    108static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    109{
    110	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    111	unsigned long flags;
    112	int left_reg = kcontrol->private_value & 0xff;
    113	int right_reg = (kcontrol->private_value >> 8) & 0xff;
    114	int left_shift = (kcontrol->private_value >> 16) & 0x07;
    115	int right_shift = (kcontrol->private_value >> 19) & 0x07;
    116	int mask = (kcontrol->private_value >> 24) & 0xff;
    117	unsigned char left, right;
    118
    119	spin_lock_irqsave(&sb->mixer_lock, flags);
    120	left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
    121	right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
    122	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    123	ucontrol->value.integer.value[0] = left;
    124	ucontrol->value.integer.value[1] = right;
    125	return 0;
    126}
    127
    128static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    129{
    130	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    131	unsigned long flags;
    132	int left_reg = kcontrol->private_value & 0xff;
    133	int right_reg = (kcontrol->private_value >> 8) & 0xff;
    134	int left_shift = (kcontrol->private_value >> 16) & 0x07;
    135	int right_shift = (kcontrol->private_value >> 19) & 0x07;
    136	int mask = (kcontrol->private_value >> 24) & 0xff;
    137	int change;
    138	unsigned char left, right, oleft, oright;
    139
    140	left = (ucontrol->value.integer.value[0] & mask) << left_shift;
    141	right = (ucontrol->value.integer.value[1] & mask) << right_shift;
    142	spin_lock_irqsave(&sb->mixer_lock, flags);
    143	if (left_reg == right_reg) {
    144		oleft = snd_sbmixer_read(sb, left_reg);
    145		left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
    146		change = left != oleft;
    147		if (change)
    148			snd_sbmixer_write(sb, left_reg, left);
    149	} else {
    150		oleft = snd_sbmixer_read(sb, left_reg);
    151		oright = snd_sbmixer_read(sb, right_reg);
    152		left = (oleft & ~(mask << left_shift)) | left;
    153		right = (oright & ~(mask << right_shift)) | right;
    154		change = left != oleft || right != oright;
    155		if (change) {
    156			snd_sbmixer_write(sb, left_reg, left);
    157			snd_sbmixer_write(sb, right_reg, right);
    158		}
    159	}
    160	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    161	return change;
    162}
    163
    164/*
    165 * DT-019x / ALS-007 capture/input switch
    166 */
    167
    168static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
    169{
    170	static const char * const texts[5] = {
    171		"CD", "Mic", "Line", "Synth", "Master"
    172	};
    173
    174	return snd_ctl_enum_info(uinfo, 1, 5, texts);
    175}
    176
    177static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    178{
    179	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    180	unsigned long flags;
    181	unsigned char oval;
    182	
    183	spin_lock_irqsave(&sb->mixer_lock, flags);
    184	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
    185	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    186	switch (oval & 0x07) {
    187	case SB_DT019X_CAP_CD:
    188		ucontrol->value.enumerated.item[0] = 0;
    189		break;
    190	case SB_DT019X_CAP_MIC:
    191		ucontrol->value.enumerated.item[0] = 1;
    192		break;
    193	case SB_DT019X_CAP_LINE:
    194		ucontrol->value.enumerated.item[0] = 2;
    195		break;
    196	case SB_DT019X_CAP_MAIN:
    197		ucontrol->value.enumerated.item[0] = 4;
    198		break;
    199	/* To record the synth on these cards you must record the main.   */
    200	/* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
    201	/* duplicate case labels if left uncommented. */
    202	/* case SB_DT019X_CAP_SYNTH:
    203	 *	ucontrol->value.enumerated.item[0] = 3;
    204	 *	break;
    205	 */
    206	default:
    207		ucontrol->value.enumerated.item[0] = 4;
    208		break;
    209	}
    210	return 0;
    211}
    212
    213static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    214{
    215	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    216	unsigned long flags;
    217	int change;
    218	unsigned char nval, oval;
    219	
    220	if (ucontrol->value.enumerated.item[0] > 4)
    221		return -EINVAL;
    222	switch (ucontrol->value.enumerated.item[0]) {
    223	case 0:
    224		nval = SB_DT019X_CAP_CD;
    225		break;
    226	case 1:
    227		nval = SB_DT019X_CAP_MIC;
    228		break;
    229	case 2:
    230		nval = SB_DT019X_CAP_LINE;
    231		break;
    232	case 3:
    233		nval = SB_DT019X_CAP_SYNTH;
    234		break;
    235	case 4:
    236		nval = SB_DT019X_CAP_MAIN;
    237		break;
    238	default:
    239		nval = SB_DT019X_CAP_MAIN;
    240	}
    241	spin_lock_irqsave(&sb->mixer_lock, flags);
    242	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
    243	change = nval != oval;
    244	if (change)
    245		snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
    246	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    247	return change;
    248}
    249
    250/*
    251 * ALS4000 mono recording control switch
    252 */
    253
    254static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
    255					     struct snd_ctl_elem_info *uinfo)
    256{
    257	static const char * const texts[3] = {
    258		"L chan only", "R chan only", "L ch/2 + R ch/2"
    259	};
    260
    261	return snd_ctl_enum_info(uinfo, 1, 3, texts);
    262}
    263
    264static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
    265				struct snd_ctl_elem_value *ucontrol)
    266{
    267	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    268	unsigned long flags;
    269	unsigned char oval;
    270
    271	spin_lock_irqsave(&sb->mixer_lock, flags);
    272	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
    273	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    274	oval >>= 6;
    275	if (oval > 2)
    276		oval = 2;
    277
    278	ucontrol->value.enumerated.item[0] = oval;
    279	return 0;
    280}
    281
    282static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
    283				struct snd_ctl_elem_value *ucontrol)
    284{
    285	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    286	unsigned long flags;
    287	int change;
    288	unsigned char nval, oval;
    289
    290	if (ucontrol->value.enumerated.item[0] > 2)
    291		return -EINVAL;
    292	spin_lock_irqsave(&sb->mixer_lock, flags);
    293	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
    294
    295	nval = (oval & ~(3 << 6))
    296	     | (ucontrol->value.enumerated.item[0] << 6);
    297	change = nval != oval;
    298	if (change)
    299		snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
    300	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    301	return change;
    302}
    303
    304/*
    305 * SBPRO input multiplexer
    306 */
    307
    308static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
    309{
    310	static const char * const texts[3] = {
    311		"Mic", "CD", "Line"
    312	};
    313
    314	return snd_ctl_enum_info(uinfo, 1, 3, texts);
    315}
    316
    317
    318static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    319{
    320	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    321	unsigned long flags;
    322	unsigned char oval;
    323	
    324	spin_lock_irqsave(&sb->mixer_lock, flags);
    325	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
    326	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    327	switch ((oval >> 0x01) & 0x03) {
    328	case SB_DSP_MIXS_CD:
    329		ucontrol->value.enumerated.item[0] = 1;
    330		break;
    331	case SB_DSP_MIXS_LINE:
    332		ucontrol->value.enumerated.item[0] = 2;
    333		break;
    334	default:
    335		ucontrol->value.enumerated.item[0] = 0;
    336		break;
    337	}
    338	return 0;
    339}
    340
    341static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    342{
    343	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    344	unsigned long flags;
    345	int change;
    346	unsigned char nval, oval;
    347	
    348	if (ucontrol->value.enumerated.item[0] > 2)
    349		return -EINVAL;
    350	switch (ucontrol->value.enumerated.item[0]) {
    351	case 1:
    352		nval = SB_DSP_MIXS_CD;
    353		break;
    354	case 2:
    355		nval = SB_DSP_MIXS_LINE;
    356		break;
    357	default:
    358		nval = SB_DSP_MIXS_MIC;
    359	}
    360	nval <<= 1;
    361	spin_lock_irqsave(&sb->mixer_lock, flags);
    362	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
    363	nval |= oval & ~0x06;
    364	change = nval != oval;
    365	if (change)
    366		snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
    367	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    368	return change;
    369}
    370
    371/*
    372 * SB16 input switch
    373 */
    374
    375static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
    376{
    377	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
    378	uinfo->count = 4;
    379	uinfo->value.integer.min = 0;
    380	uinfo->value.integer.max = 1;
    381	return 0;
    382}
    383
    384static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    385{
    386	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    387	unsigned long flags;
    388	int reg1 = kcontrol->private_value & 0xff;
    389	int reg2 = (kcontrol->private_value >> 8) & 0xff;
    390	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
    391	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
    392	unsigned char val1, val2;
    393
    394	spin_lock_irqsave(&sb->mixer_lock, flags);
    395	val1 = snd_sbmixer_read(sb, reg1);
    396	val2 = snd_sbmixer_read(sb, reg2);
    397	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    398	ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
    399	ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
    400	ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
    401	ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
    402	return 0;
    403}                                                                                                                   
    404
    405static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
    406{
    407	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
    408	unsigned long flags;
    409	int reg1 = kcontrol->private_value & 0xff;
    410	int reg2 = (kcontrol->private_value >> 8) & 0xff;
    411	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
    412	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
    413	int change;
    414	unsigned char val1, val2, oval1, oval2;
    415
    416	spin_lock_irqsave(&sb->mixer_lock, flags);
    417	oval1 = snd_sbmixer_read(sb, reg1);
    418	oval2 = snd_sbmixer_read(sb, reg2);
    419	val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
    420	val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
    421	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
    422	val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
    423	val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
    424	val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
    425	change = val1 != oval1 || val2 != oval2;
    426	if (change) {
    427		snd_sbmixer_write(sb, reg1, val1);
    428		snd_sbmixer_write(sb, reg2, val2);
    429	}
    430	spin_unlock_irqrestore(&sb->mixer_lock, flags);
    431	return change;
    432}
    433
    434
    435/*
    436 */
    437/*
    438 */
    439int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
    440{
    441	static const struct snd_kcontrol_new newctls[] = {
    442		[SB_MIX_SINGLE] = {
    443			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    444			.info = snd_sbmixer_info_single,
    445			.get = snd_sbmixer_get_single,
    446			.put = snd_sbmixer_put_single,
    447		},
    448		[SB_MIX_DOUBLE] = {
    449			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    450			.info = snd_sbmixer_info_double,
    451			.get = snd_sbmixer_get_double,
    452			.put = snd_sbmixer_put_double,
    453		},
    454		[SB_MIX_INPUT_SW] = {
    455			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    456			.info = snd_sb16mixer_info_input_sw,
    457			.get = snd_sb16mixer_get_input_sw,
    458			.put = snd_sb16mixer_put_input_sw,
    459		},
    460		[SB_MIX_CAPTURE_PRO] = {
    461			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    462			.info = snd_sb8mixer_info_mux,
    463			.get = snd_sb8mixer_get_mux,
    464			.put = snd_sb8mixer_put_mux,
    465		},
    466		[SB_MIX_CAPTURE_DT019X] = {
    467			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    468			.info = snd_dt019x_input_sw_info,
    469			.get = snd_dt019x_input_sw_get,
    470			.put = snd_dt019x_input_sw_put,
    471		},
    472		[SB_MIX_MONO_CAPTURE_ALS4K] = {
    473			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    474			.info = snd_als4k_mono_capture_route_info,
    475			.get = snd_als4k_mono_capture_route_get,
    476			.put = snd_als4k_mono_capture_route_put,
    477		},
    478	};
    479	struct snd_kcontrol *ctl;
    480	int err;
    481
    482	ctl = snd_ctl_new1(&newctls[type], chip);
    483	if (! ctl)
    484		return -ENOMEM;
    485	strscpy(ctl->id.name, name, sizeof(ctl->id.name));
    486	ctl->id.index = index;
    487	ctl->private_value = value;
    488	err = snd_ctl_add(chip->card, ctl);
    489	if (err < 0)
    490		return err;
    491	return 0;
    492}
    493
    494/*
    495 * SB 2.0 specific mixer elements
    496 */
    497
    498static const struct sbmix_elem snd_sb20_controls[] = {
    499	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
    500	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
    501	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
    502	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
    503};
    504
    505static const unsigned char snd_sb20_init_values[][2] = {
    506	{ SB_DSP20_MASTER_DEV, 0 },
    507	{ SB_DSP20_FM_DEV, 0 },
    508};
    509
    510/*
    511 * SB Pro specific mixer elements
    512 */
    513static const struct sbmix_elem snd_sbpro_controls[] = {
    514	SB_DOUBLE("Master Playback Volume",
    515		  SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
    516	SB_DOUBLE("PCM Playback Volume",
    517		  SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
    518	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
    519	SB_DOUBLE("Synth Playback Volume",
    520		  SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
    521	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
    522	SB_DOUBLE("Line Playback Volume",
    523		  SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
    524	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
    525	{
    526		.name = "Capture Source",
    527		.type = SB_MIX_CAPTURE_PRO
    528	},
    529	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
    530	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
    531};
    532
    533static const unsigned char snd_sbpro_init_values[][2] = {
    534	{ SB_DSP_MASTER_DEV, 0 },
    535	{ SB_DSP_PCM_DEV, 0 },
    536	{ SB_DSP_FM_DEV, 0 },
    537};
    538
    539/*
    540 * SB16 specific mixer elements
    541 */
    542static const struct sbmix_elem snd_sb16_controls[] = {
    543	SB_DOUBLE("Master Playback Volume",
    544		  SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
    545	SB_DOUBLE("PCM Playback Volume",
    546		  SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
    547	SB16_INPUT_SW("Synth Capture Route",
    548		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
    549	SB_DOUBLE("Synth Playback Volume",
    550		  SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
    551	SB16_INPUT_SW("CD Capture Route",
    552		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
    553	SB_DOUBLE("CD Playback Switch",
    554		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
    555	SB_DOUBLE("CD Playback Volume",
    556		  SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
    557	SB16_INPUT_SW("Mic Capture Route",
    558		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
    559	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
    560	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
    561	SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
    562	SB_DOUBLE("Capture Volume",
    563		  SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
    564	SB_DOUBLE("Playback Volume",
    565		  SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
    566	SB16_INPUT_SW("Line Capture Route",
    567		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
    568	SB_DOUBLE("Line Playback Switch",
    569		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
    570	SB_DOUBLE("Line Playback Volume",
    571		  SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
    572	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
    573	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
    574	SB_DOUBLE("Tone Control - Bass",
    575		  SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
    576	SB_DOUBLE("Tone Control - Treble",
    577		  SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
    578};
    579
    580static const unsigned char snd_sb16_init_values[][2] = {
    581	{ SB_DSP4_MASTER_DEV + 0, 0 },
    582	{ SB_DSP4_MASTER_DEV + 1, 0 },
    583	{ SB_DSP4_PCM_DEV + 0, 0 },
    584	{ SB_DSP4_PCM_DEV + 1, 0 },
    585	{ SB_DSP4_SYNTH_DEV + 0, 0 },
    586	{ SB_DSP4_SYNTH_DEV + 1, 0 },
    587	{ SB_DSP4_INPUT_LEFT, 0 },
    588	{ SB_DSP4_INPUT_RIGHT, 0 },
    589	{ SB_DSP4_OUTPUT_SW, 0 },
    590	{ SB_DSP4_SPEAKER_DEV, 0 },
    591};
    592
    593/*
    594 * DT019x specific mixer elements
    595 */
    596static const struct sbmix_elem snd_dt019x_controls[] = {
    597	/* ALS4000 below has some parts which we might be lacking,
    598	 * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
    599	SB_DOUBLE("Master Playback Volume",
    600		  SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
    601	SB_DOUBLE("PCM Playback Switch",
    602		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
    603	SB_DOUBLE("PCM Playback Volume",
    604		  SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
    605	SB_DOUBLE("Synth Playback Switch",
    606		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
    607	SB_DOUBLE("Synth Playback Volume",
    608		  SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
    609	SB_DOUBLE("CD Playback Switch",
    610		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
    611	SB_DOUBLE("CD Playback Volume",
    612		  SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
    613	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
    614	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
    615	SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
    616	SB_DOUBLE("Line Playback Switch",
    617		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
    618	SB_DOUBLE("Line Playback Volume",
    619		  SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
    620	{
    621		.name = "Capture Source",
    622		.type = SB_MIX_CAPTURE_DT019X
    623	}
    624};
    625
    626static const unsigned char snd_dt019x_init_values[][2] = {
    627        { SB_DT019X_MASTER_DEV, 0 },
    628        { SB_DT019X_PCM_DEV, 0 },
    629        { SB_DT019X_SYNTH_DEV, 0 },
    630        { SB_DT019X_CD_DEV, 0 },
    631        { SB_DT019X_MIC_DEV, 0 },	/* Includes PC-speaker in high nibble */
    632        { SB_DT019X_LINE_DEV, 0 },
    633        { SB_DSP4_OUTPUT_SW, 0 },
    634        { SB_DT019X_OUTPUT_SW2, 0 },
    635        { SB_DT019X_CAPTURE_SW, 0x06 },
    636};
    637
    638/*
    639 * ALS4000 specific mixer elements
    640 */
    641static const struct sbmix_elem snd_als4000_controls[] = {
    642	SB_DOUBLE("PCM Playback Switch",
    643		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
    644	SB_DOUBLE("Synth Playback Switch",
    645		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
    646	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
    647	SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
    648	{
    649		.name = "Master Mono Capture Route",
    650		.type = SB_MIX_MONO_CAPTURE_ALS4K
    651	},
    652	SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
    653	SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
    654	SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
    655	SB_SINGLE("Digital Loopback Switch",
    656		  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
    657	/* FIXME: functionality of 3D controls might be swapped, I didn't find
    658	 * a description of how to identify what is supposed to be what */
    659	SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
    660	/* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
    661	SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
    662	/* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
    663	 * but what ALSA 3D attribute is that actually? "Center", "Depth",
    664	 * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
    665	SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
    666	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
    667	SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
    668		  SB_ALS4000_FMDAC, 5, 0x01),
    669#ifdef NOT_AVAILABLE
    670	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
    671	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
    672#endif
    673};
    674
    675static const unsigned char snd_als4000_init_values[][2] = {
    676	{ SB_DSP4_MASTER_DEV + 0, 0 },
    677	{ SB_DSP4_MASTER_DEV + 1, 0 },
    678	{ SB_DSP4_PCM_DEV + 0, 0 },
    679	{ SB_DSP4_PCM_DEV + 1, 0 },
    680	{ SB_DSP4_SYNTH_DEV + 0, 0 },
    681	{ SB_DSP4_SYNTH_DEV + 1, 0 },
    682	{ SB_DSP4_SPEAKER_DEV, 0 },
    683	{ SB_DSP4_OUTPUT_SW, 0 },
    684	{ SB_DSP4_INPUT_LEFT, 0 },
    685	{ SB_DSP4_INPUT_RIGHT, 0 },
    686	{ SB_DT019X_OUTPUT_SW2, 0 },
    687	{ SB_ALS4000_MIC_IN_GAIN, 0 },
    688};
    689
    690/*
    691 */
    692static int snd_sbmixer_init(struct snd_sb *chip,
    693			    const struct sbmix_elem *controls,
    694			    int controls_count,
    695			    const unsigned char map[][2],
    696			    int map_count,
    697			    char *name)
    698{
    699	unsigned long flags;
    700	struct snd_card *card = chip->card;
    701	int idx, err;
    702
    703	/* mixer reset */
    704	spin_lock_irqsave(&chip->mixer_lock, flags);
    705	snd_sbmixer_write(chip, 0x00, 0x00);
    706	spin_unlock_irqrestore(&chip->mixer_lock, flags);
    707
    708	/* mute and zero volume channels */
    709	for (idx = 0; idx < map_count; idx++) {
    710		spin_lock_irqsave(&chip->mixer_lock, flags);
    711		snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
    712		spin_unlock_irqrestore(&chip->mixer_lock, flags);
    713	}
    714
    715	for (idx = 0; idx < controls_count; idx++) {
    716		err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
    717		if (err < 0)
    718			return err;
    719	}
    720	snd_component_add(card, name);
    721	strcpy(card->mixername, name);
    722	return 0;
    723}
    724
    725int snd_sbmixer_new(struct snd_sb *chip)
    726{
    727	struct snd_card *card;
    728	int err;
    729
    730	if (snd_BUG_ON(!chip || !chip->card))
    731		return -EINVAL;
    732
    733	card = chip->card;
    734
    735	switch (chip->hardware) {
    736	case SB_HW_10:
    737		return 0; /* no mixer chip on SB1.x */
    738	case SB_HW_20:
    739	case SB_HW_201:
    740		err = snd_sbmixer_init(chip,
    741				       snd_sb20_controls,
    742				       ARRAY_SIZE(snd_sb20_controls),
    743				       snd_sb20_init_values,
    744				       ARRAY_SIZE(snd_sb20_init_values),
    745				       "CTL1335");
    746		if (err < 0)
    747			return err;
    748		break;
    749	case SB_HW_PRO:
    750	case SB_HW_JAZZ16:
    751		err = snd_sbmixer_init(chip,
    752				       snd_sbpro_controls,
    753				       ARRAY_SIZE(snd_sbpro_controls),
    754				       snd_sbpro_init_values,
    755				       ARRAY_SIZE(snd_sbpro_init_values),
    756				       "CTL1345");
    757		if (err < 0)
    758			return err;
    759		break;
    760	case SB_HW_16:
    761	case SB_HW_ALS100:
    762	case SB_HW_CS5530:
    763		err = snd_sbmixer_init(chip,
    764				       snd_sb16_controls,
    765				       ARRAY_SIZE(snd_sb16_controls),
    766				       snd_sb16_init_values,
    767				       ARRAY_SIZE(snd_sb16_init_values),
    768				       "CTL1745");
    769		if (err < 0)
    770			return err;
    771		break;
    772	case SB_HW_ALS4000:
    773		/* use only the first 16 controls from SB16 */
    774		err = snd_sbmixer_init(chip,
    775					snd_sb16_controls,
    776					16,
    777					snd_sb16_init_values,
    778					ARRAY_SIZE(snd_sb16_init_values),
    779					"ALS4000");
    780		if (err < 0)
    781			return err;
    782		err = snd_sbmixer_init(chip,
    783				       snd_als4000_controls,
    784				       ARRAY_SIZE(snd_als4000_controls),
    785				       snd_als4000_init_values,
    786				       ARRAY_SIZE(snd_als4000_init_values),
    787				       "ALS4000");
    788		if (err < 0)
    789			return err;
    790		break;
    791	case SB_HW_DT019X:
    792		err = snd_sbmixer_init(chip,
    793				       snd_dt019x_controls,
    794				       ARRAY_SIZE(snd_dt019x_controls),
    795				       snd_dt019x_init_values,
    796				       ARRAY_SIZE(snd_dt019x_init_values),
    797				       "DT019X");
    798		if (err < 0)
    799			return err;
    800		break;
    801	default:
    802		strcpy(card->mixername, "???");
    803	}
    804	return 0;
    805}
    806
    807#ifdef CONFIG_PM
    808static const unsigned char sb20_saved_regs[] = {
    809	SB_DSP20_MASTER_DEV,
    810	SB_DSP20_PCM_DEV,
    811	SB_DSP20_FM_DEV,
    812	SB_DSP20_CD_DEV,
    813};
    814
    815static const unsigned char sbpro_saved_regs[] = {
    816	SB_DSP_MASTER_DEV,
    817	SB_DSP_PCM_DEV,
    818	SB_DSP_PLAYBACK_FILT,
    819	SB_DSP_FM_DEV,
    820	SB_DSP_CD_DEV,
    821	SB_DSP_LINE_DEV,
    822	SB_DSP_MIC_DEV,
    823	SB_DSP_CAPTURE_SOURCE,
    824	SB_DSP_CAPTURE_FILT,
    825};
    826
    827static const unsigned char sb16_saved_regs[] = {
    828	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
    829	SB_DSP4_3DSE,
    830	SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
    831	SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
    832	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
    833	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
    834	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
    835	SB_DSP4_OUTPUT_SW,
    836	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
    837	SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
    838	SB_DSP4_MIC_DEV,
    839	SB_DSP4_SPEAKER_DEV,
    840	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
    841	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
    842	SB_DSP4_MIC_AGC
    843};
    844
    845static const unsigned char dt019x_saved_regs[] = {
    846	SB_DT019X_MASTER_DEV,
    847	SB_DT019X_PCM_DEV,
    848	SB_DT019X_SYNTH_DEV,
    849	SB_DT019X_CD_DEV,
    850	SB_DT019X_MIC_DEV,
    851	SB_DT019X_SPKR_DEV,
    852	SB_DT019X_LINE_DEV,
    853	SB_DSP4_OUTPUT_SW,
    854	SB_DT019X_OUTPUT_SW2,
    855	SB_DT019X_CAPTURE_SW,
    856};
    857
    858static const unsigned char als4000_saved_regs[] = {
    859	/* please verify in dsheet whether regs to be added
    860	   are actually real H/W or just dummy */
    861	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
    862	SB_DSP4_OUTPUT_SW,
    863	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
    864	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
    865	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
    866	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
    867	SB_DSP4_MIC_DEV,
    868	SB_DSP4_SPEAKER_DEV,
    869	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
    870	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
    871	SB_DT019X_OUTPUT_SW2,
    872	SB_ALS4000_MONO_IO_CTRL,
    873	SB_ALS4000_MIC_IN_GAIN,
    874	SB_ALS4000_FMDAC,
    875	SB_ALS4000_3D_SND_FX,
    876	SB_ALS4000_3D_TIME_DELAY,
    877	SB_ALS4000_CR3_CONFIGURATION,
    878};
    879
    880static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
    881{
    882	unsigned char *val = chip->saved_regs;
    883	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
    884		return;
    885	for (; num_regs; num_regs--)
    886		*val++ = snd_sbmixer_read(chip, *regs++);
    887}
    888
    889static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
    890{
    891	unsigned char *val = chip->saved_regs;
    892	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
    893		return;
    894	for (; num_regs; num_regs--)
    895		snd_sbmixer_write(chip, *regs++, *val++);
    896}
    897
    898void snd_sbmixer_suspend(struct snd_sb *chip)
    899{
    900	switch (chip->hardware) {
    901	case SB_HW_20:
    902	case SB_HW_201:
    903		save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
    904		break;
    905	case SB_HW_PRO:
    906	case SB_HW_JAZZ16:
    907		save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
    908		break;
    909	case SB_HW_16:
    910	case SB_HW_ALS100:
    911	case SB_HW_CS5530:
    912		save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
    913		break;
    914	case SB_HW_ALS4000:
    915		save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
    916		break;
    917	case SB_HW_DT019X:
    918		save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
    919		break;
    920	default:
    921		break;
    922	}
    923}
    924
    925void snd_sbmixer_resume(struct snd_sb *chip)
    926{
    927	switch (chip->hardware) {
    928	case SB_HW_20:
    929	case SB_HW_201:
    930		restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
    931		break;
    932	case SB_HW_PRO:
    933	case SB_HW_JAZZ16:
    934		restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
    935		break;
    936	case SB_HW_16:
    937	case SB_HW_ALS100:
    938	case SB_HW_CS5530:
    939		restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
    940		break;
    941	case SB_HW_ALS4000:
    942		restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
    943		break;
    944	case SB_HW_DT019X:
    945		restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
    946		break;
    947	default:
    948		break;
    949	}
    950}
    951#endif