// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright ( c ) by Jaroslav Kysela < perex @ perex . cz >
* Universal interface for Audio Codec ' 97
*
* For more details look to AC ' 97 component specification revision 2 . 2
* by Intel Corporation ( http : //developer.intel.com).
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include <sound/asoundef.h>
#include <sound/initval.h>
#include "ac97_id.h"
#include "ac97_patch.c"
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>" );
MODULE_DESCRIPTION("Universal interface for Audio Codec '97" );
MODULE_LICENSE("GPL" );
static bool enable_loopback;
module_param(enable_loopback, bool , 0444 );
MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control" );
#ifdef CONFIG_SND_AC97_POWER_SAVE
static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
module_param(power_save, int , 0644 );
MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
"(in second, 0 = disable)." );
#endif
/*
*/
struct ac97_codec_id {
unsigned int id;
unsigned int mask;
const char *name;
int (*patch)(struct snd_ac97 *ac97);
int (*mpatch)(struct snd_ac97 *ac97);
unsigned int flags;
};
static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
{ 0 x41445300, 0 xffffff00, "Analog Devices" , NULL, NULL },
{ 0 x414b4d00, 0 xffffff00, "Asahi Kasei" , NULL, NULL },
{ 0 x414c4300, 0 xffffff00, "Realtek" , NULL, NULL },
{ 0 x414c4700, 0 xffffff00, "Realtek" , NULL, NULL },
/*
* This is an _ inofficial_ Aztech Labs entry
* ( value might differ from unknown official Aztech ID ) ,
* currently used by the AC97 emulation of the almost - AC97 PCI168 card .
*/
{ 0 x415a5400, 0 xffffff00, "Aztech Labs (emulated)" , NULL, NULL },
{ 0 x434d4900, 0 xffffff00, "C-Media Electronics" , NULL, NULL },
{ 0 x43525900, 0 xffffff00, "Cirrus Logic" , NULL, NULL },
{ 0 x43585400, 0 xffffff00, "Conexant" , NULL, NULL },
{ 0 x44543000, 0 xffffff00, "Diamond Technology" , NULL, NULL },
{ 0 x454d4300, 0 xffffff00, "eMicro" , NULL, NULL },
{ 0 x45838300, 0 xffffff00, "ESS Technology" , NULL, NULL },
{ 0 x48525300, 0 xffffff00, "Intersil" , NULL, NULL },
{ 0 x49434500, 0 xffffff00, "ICEnsemble" , NULL, NULL },
{ 0 x49544500, 0 xffffff00, "ITE Tech.Inc" , NULL, NULL },
{ 0 x4e534300, 0 xffffff00, "National Semiconductor" , NULL, NULL },
{ 0 x50534300, 0 xffffff00, "Philips" , NULL, NULL },
{ 0 x53494c00, 0 xffffff00, "Silicon Laboratory" , NULL, NULL },
{ 0 x53544d00, 0 xffffff00, "STMicroelectronics" , NULL, NULL },
{ 0 x54524100, 0 xffffff00, "TriTech" , NULL, NULL },
{ 0 x54584e00, 0 xffffff00, "Texas Instruments" , NULL, NULL },
{ 0 x56494100, 0 xffffff00, "VIA Technologies" , NULL, NULL },
{ 0 x57454300, 0 xffffff00, "Winbond" , NULL, NULL },
{ 0 x574d4c00, 0 xffffff00, "Wolfson" , NULL, NULL },
{ 0 x594d4800, 0 xffffff00, "Yamaha" , NULL, NULL },
{ 0 x83847600, 0 xffffff00, "SigmaTel" , NULL, NULL },
{ 0 , 0 , NULL, NULL, NULL }
};
static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0 x41445303, 0 xffffffff, "AD1819" , patch_ad1819, NULL },
{ 0 x41445340, 0 xffffffff, "AD1881" , patch_ad1881, NULL },
{ 0 x41445348, 0 xffffffff, "AD1881A" , patch_ad1881, NULL },
{ 0 x41445360, 0 xffffffff, "AD1885" , patch_ad1885, NULL },
{ 0 x41445361, 0 xffffffff, "AD1886" , patch_ad1886, NULL },
{ 0 x41445362, 0 xffffffff, "AD1887" , patch_ad1881, NULL },
{ 0 x41445363, 0 xffffffff, "AD1886A" , patch_ad1881, NULL },
{ 0 x41445368, 0 xffffffff, "AD1888" , patch_ad1888, NULL },
{ 0 x41445370, 0 xffffffff, "AD1980" , patch_ad1980, NULL },
{ 0 x41445372, 0 xffffffff, "AD1981A" , patch_ad1981a, NULL },
{ 0 x41445374, 0 xffffffff, "AD1981B" , patch_ad1981b, NULL },
{ 0 x41445375, 0 xffffffff, "AD1985" , patch_ad1985, NULL },
{ 0 x41445378, 0 xffffffff, "AD1986" , patch_ad1986, NULL },
{ 0 x414b4d00, 0 xffffffff, "AK4540" , NULL, NULL },
{ 0 x414b4d01, 0 xffffffff, "AK4542" , NULL, NULL },
{ 0 x414b4d02, 0 xffffffff, "AK4543" , NULL, NULL },
{ 0 x414b4d06, 0 xffffffff, "AK4544A" , NULL, NULL },
{ 0 x414b4d07, 0 xffffffff, "AK4545" , NULL, NULL },
{ 0 x414c4300, 0 xffffff00, "ALC100,100P" , NULL, NULL },
{ 0 x414c4710, 0 xfffffff0, "ALC200,200P" , NULL, NULL },
{ 0 x414c4721, 0 xffffffff, "ALC650D" , NULL, NULL }, /* already patched */
{ 0 x414c4722, 0 xffffffff, "ALC650E" , NULL, NULL }, /* already patched */
{ 0 x414c4723, 0 xffffffff, "ALC650F" , NULL, NULL }, /* already patched */
{ 0 x414c4720, 0 xfffffff0, "ALC650" , patch_alc650, NULL },
{ 0 x414c4730, 0 xffffffff, "ALC101" , NULL, NULL },
{ 0 x414c4740, 0 xfffffff0, "ALC202" , NULL, NULL },
{ 0 x414c4750, 0 xfffffff0, "ALC250" , NULL, NULL },
{ 0 x414c4760, 0 xfffffff0, "ALC655" , patch_alc655, NULL },
{ 0 x414c4770, 0 xfffffff0, "ALC203" , patch_alc203, NULL },
{ 0 x414c4781, 0 xffffffff, "ALC658D" , NULL, NULL }, /* already patched */
{ 0 x414c4780, 0 xfffffff0, "ALC658" , patch_alc655, NULL },
{ 0 x414c4790, 0 xfffffff0, "ALC850" , patch_alc850, NULL },
{ 0 x415a5401, 0 xffffffff, "AZF3328" , patch_aztech_azf3328, NULL },
{ 0 x434d4941, 0 xffffffff, "CMI9738" , patch_cm9738, NULL },
{ 0 x434d4961, 0 xffffffff, "CMI9739" , patch_cm9739, NULL },
{ 0 x434d4969, 0 xffffffff, "CMI9780" , patch_cm9780, NULL },
{ 0 x434d4978, 0 xffffffff, "CMI9761A" , patch_cm9761, NULL },
{ 0 x434d4982, 0 xffffffff, "CMI9761B" , patch_cm9761, NULL },
{ 0 x434d4983, 0 xffffffff, "CMI9761A+" , patch_cm9761, NULL },
{ 0 x43525900, 0 xfffffff8, "CS4297" , NULL, NULL },
{ 0 x43525910, 0 xfffffff8, "CS4297A" , patch_cirrus_spdif, NULL },
{ 0 x43525920, 0 xfffffff8, "CS4298" , patch_cirrus_spdif, NULL },
{ 0 x43525928, 0 xfffffff8, "CS4294" , NULL, NULL },
{ 0 x43525930, 0 xfffffff8, "CS4299" , patch_cirrus_cs4299, NULL },
{ 0 x43525948, 0 xfffffff8, "CS4201" , NULL, NULL },
{ 0 x43525958, 0 xfffffff8, "CS4205" , patch_cirrus_spdif, NULL },
{ 0 x43525960, 0 xfffffff8, "CS4291" , NULL, NULL },
{ 0 x43525970, 0 xfffffff8, "CS4202" , NULL, NULL },
{ 0 x43585421, 0 xffffffff, "HSD11246" , NULL, NULL }, // SmartMC II
{ 0 x43585428, 0 xfffffff8, "Cx20468" , patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
{ 0 x43585430, 0 xffffffff, "Cx20468-31" , patch_conexant, NULL },
{ 0 x43585431, 0 xffffffff, "Cx20551" , patch_cx20551, NULL },
{ 0 x44543031, 0 xfffffff0, "DT0398" , NULL, NULL },
{ 0 x454d4328, 0 xffffffff, "EM28028" , NULL, NULL }, // same as TR28028?
{ 0 x45838308, 0 xffffffff, "ESS1988" , NULL, NULL },
{ 0 x48525300, 0 xffffff00, "HMP9701" , NULL, NULL },
{ 0 x49434501, 0 xffffffff, "ICE1230" , NULL, NULL },
{ 0 x49434511, 0 xffffffff, "ICE1232" , NULL, NULL }, // alias VIA VT1611A?
{ 0 x49434514, 0 xffffffff, "ICE1232A" , NULL, NULL },
{ 0 x49434551, 0 xffffffff, "VT1616" , patch_vt1616, NULL },
{ 0 x49434552, 0 xffffffff, "VT1616i" , patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
{ 0 x49544520, 0 xffffffff, "IT2226E" , NULL, NULL },
{ 0 x49544561, 0 xffffffff, "IT2646E" , patch_it2646, NULL },
{ 0 x4e534300, 0 xffffffff, "LM4540,43,45,46,48" , NULL, NULL }, // only guess --jk
{ 0 x4e534331, 0 xffffffff, "LM4549" , NULL, NULL },
{ 0 x4e534350, 0 xffffffff, "LM4550" , patch_lm4550, NULL }, // volume wrap fix
{ 0 x53494c20, 0 xffffffe0, "Si3036,8" , mpatch_si3036, mpatch_si3036, AC97_MODEM_PATCH },
{ 0 x53544d02, 0 xffffffff, "ST7597" , NULL, NULL },
{ 0 x54524102, 0 xffffffff, "TR28022" , NULL, NULL },
{ 0 x54524103, 0 xffffffff, "TR28023" , NULL, NULL },
{ 0 x54524106, 0 xffffffff, "TR28026" , NULL, NULL },
{ 0 x54524108, 0 xffffffff, "TR28028" , patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
{ 0 x54524123, 0 xffffffff, "TR28602" , NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
{ 0 x54584e03, 0 xffffffff, "TLV320AIC27" , NULL, NULL },
{ 0 x54584e20, 0 xffffffff, "TLC320AD9xC" , NULL, NULL },
{ 0 x56494120, 0 xfffffff0, "VIA1613" , patch_vt1613, NULL },
{ 0 x56494161, 0 xffffffff, "VIA1612A" , NULL, NULL }, // modified ICE1232 with S/PDIF
{ 0 x56494170, 0 xffffffff, "VIA1617A" , patch_vt1617a, NULL }, // modified VT1616 with S/PDIF
{ 0 x56494182, 0 xffffffff, "VIA1618" , patch_vt1618, NULL },
{ 0 x57454301, 0 xffffffff, "W83971D" , NULL, NULL },
{ 0 x574d4c00, 0 xffffffff, "WM9701,WM9701A" , NULL, NULL },
{ 0 x574d4C03, 0 xffffffff, "WM9703,WM9707,WM9708,WM9717" , patch_wolfson03, NULL},
{ 0 x574d4C04, 0 xffffffff, "WM9704M,WM9704Q" , patch_wolfson04, NULL},
{ 0 x574d4C05, 0 xffffffff, "WM9705,WM9710" , patch_wolfson05, NULL},
{ 0 x574d4C09, 0 xffffffff, "WM9709" , NULL, NULL},
{ 0 x574d4C12, 0 xffffffff, "WM9711,WM9712,WM9715" , patch_wolfson11, NULL},
{ 0 x574d4c13, 0 xffffffff, "WM9713,WM9714" , patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
{ 0 x594d4800, 0 xffffffff, "YMF743" , patch_yamaha_ymf743, NULL },
{ 0 x594d4802, 0 xffffffff, "YMF752" , NULL, NULL },
{ 0 x594d4803, 0 xffffffff, "YMF753" , patch_yamaha_ymf753, NULL },
{ 0 x83847600, 0 xffffffff, "STAC9700,83,84" , patch_sigmatel_stac9700, NULL },
{ 0 x83847604, 0 xffffffff, "STAC9701,3,4,5" , NULL, NULL },
{ 0 x83847605, 0 xffffffff, "STAC9704" , NULL, NULL },
{ 0 x83847608, 0 xffffffff, "STAC9708,11" , patch_sigmatel_stac9708, NULL },
{ 0 x83847609, 0 xffffffff, "STAC9721,23" , patch_sigmatel_stac9721, NULL },
{ 0 x83847644, 0 xffffffff, "STAC9744" , patch_sigmatel_stac9744, NULL },
{ 0 x83847650, 0 xffffffff, "STAC9750,51" , NULL, NULL }, // patch?
{ 0 x83847652, 0 xffffffff, "STAC9752,53" , NULL, NULL }, // patch?
{ 0 x83847656, 0 xffffffff, "STAC9756,57" , patch_sigmatel_stac9756, NULL },
{ 0 x83847658, 0 xffffffff, "STAC9758,59" , patch_sigmatel_stac9758, NULL },
{ 0 x83847666, 0 xffffffff, "STAC9766,67" , NULL, NULL }, // patch?
{ 0 , 0 , NULL, NULL, NULL }
};
static void update_power_regs(struct snd_ac97 *ac97);
#ifdef CONFIG_SND_AC97_POWER_SAVE
#define ac97_is_power_save_mode(ac97) \
((ac97->scaps & AC97_SCAP_POWER_SAVE) && power_save)
#else
#define ac97_is_power_save_mode(ac97) 0
#endif
#define ac97_err(ac97, fmt, args...) \
dev_err((ac97)->bus->card->dev, fmt, ## args)
#define ac97_warn(ac97, fmt, args...) \
dev_warn((ac97)->bus->card->dev, fmt, ## args)
#define ac97_dbg(ac97, fmt, args...) \
dev_dbg((ac97)->bus->card->dev, fmt, ## args)
/*
* I / O routines
*/
static int snd_ac97_valid_reg(struct snd_ac97 *ac97, unsigned short reg)
{
/* filter some registers for buggy codecs */
switch (ac97->id) {
case AC97_ID_ST_AC97_ID4:
if (reg == 0 x08)
return 0 ;
fallthrough;
case AC97_ID_ST7597:
if (reg == 0 x22 || reg == 0 x7a)
return 1 ;
fallthrough;
case AC97_ID_AK4540:
case AC97_ID_AK4542:
if (reg <= 0 x1c || reg == 0 x20 || reg == 0 x26 || reg >= 0 x7c)
return 1 ;
return 0 ;
case AC97_ID_AD1819: /* AD1819 */
case AC97_ID_AD1881: /* AD1881 */
case AC97_ID_AD1881A: /* AD1881A */
if (reg >= 0 x3a && reg <= 0 x6e) /* 0x59 */
return 0 ;
return 1 ;
case AC97_ID_AD1885: /* AD1885 */
case AC97_ID_AD1886: /* AD1886 */
case AC97_ID_AD1886A: /* AD1886A - !!verify!! --jk */
case AC97_ID_AD1887: /* AD1887 - !!verify!! --jk */
if (reg == 0 x5a)
return 1 ;
if (reg >= 0 x3c && reg <= 0 x6e) /* 0x59 */
return 0 ;
return 1 ;
case AC97_ID_STAC9700:
case AC97_ID_STAC9704:
case AC97_ID_STAC9705:
case AC97_ID_STAC9708:
case AC97_ID_STAC9721:
case AC97_ID_STAC9744:
case AC97_ID_STAC9756:
if (reg <= 0 x3a || reg >= 0 x5a)
return 1 ;
return 0 ;
}
return 1 ;
}
/**
* snd_ac97_write - write a value on the given register
* @ ac97 : the ac97 instance
* @ reg : the register to change
* @ value : the value to set
*
* Writes a value on the given register . This will invoke the write
* callback directly after the register check .
* This function doesn ' t change the register cache unlike
* # snd_ca97_write_cache ( ) , so use this only when you don ' t want to
* reflect the change to the suspend / resume state .
*/
void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
{
if (!snd_ac97_valid_reg(ac97, reg))
return ;
if ((ac97->id & 0 xffffff00) == AC97_ID_ALC100) {
/* Fix H/W bug of ALC100/100P */
if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
ac97->bus->ops->write(ac97, AC97_RESET, 0 ); /* reset audio codec */
}
ac97->bus->ops->write(ac97, reg, value);
}
EXPORT_SYMBOL(snd_ac97_write);
/**
* snd_ac97_read - read a value from the given register
*
* @ ac97 : the ac97 instance
* @ reg : the register to read
*
* Reads a value from the given register . This will invoke the read
* callback directly after the register check .
*
* Return : The read value .
*/
unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
if (!snd_ac97_valid_reg(ac97, reg))
return 0 ;
return ac97->bus->ops->read(ac97, reg);
}
/* read a register - return the cached value if already read */
static inline unsigned short snd_ac97_read_cache(struct snd_ac97 *ac97, unsigned short reg)
{
if (! test_bit(reg, ac97->reg_accessed)) {
ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
// set_bit(reg, ac97->reg_accessed);
}
return ac97->regs[reg];
}
EXPORT_SYMBOL(snd_ac97_read);
/**
* snd_ac97_write_cache - write a value on the given register and update the cache
* @ ac97 : the ac97 instance
* @ reg : the register to change
* @ value : the value to set
*
* Writes a value on the given register and updates the register
* cache . The cached values are used for the cached - read and the
* suspend / resume .
*/
void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
{
if (!snd_ac97_valid_reg(ac97, reg))
return ;
mutex_lock(&ac97->reg_mutex);
ac97->regs[reg] = value;
ac97->bus->ops->write(ac97, reg, value);
set_bit(reg, ac97->reg_accessed);
mutex_unlock(&ac97->reg_mutex);
}
EXPORT_SYMBOL(snd_ac97_write_cache);
/**
* snd_ac97_update - update the value on the given register
* @ ac97 : the ac97 instance
* @ reg : the register to change
* @ value : the value to set
*
* Compares the value with the register cache and updates the value
* only when the value is changed .
*
* Return : 1 if the value is changed , 0 if no change , or a negative
* code on failure .
*/
int snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
{
int change;
if (!snd_ac97_valid_reg(ac97, reg))
return -EINVAL;
mutex_lock(&ac97->reg_mutex);
change = ac97->regs[reg] != value;
if (change) {
ac97->regs[reg] = value;
ac97->bus->ops->write(ac97, reg, value);
}
set_bit(reg, ac97->reg_accessed);
mutex_unlock(&ac97->reg_mutex);
return change;
}
EXPORT_SYMBOL(snd_ac97_update);
/**
* snd_ac97_update_bits - update the bits on the given register
* @ ac97 : the ac97 instance
* @ reg : the register to change
* @ mask : the bit - mask to change
* @ value : the value to set
*
* Updates the masked - bits on the given register only when the value
* is changed .
*
* Return : 1 if the bits are changed , 0 if no change , or a negative
* code on failure .
*/
int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value)
{
int change;
if (!snd_ac97_valid_reg(ac97, reg))
return -EINVAL;
mutex_lock(&ac97->reg_mutex);
change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
mutex_unlock(&ac97->reg_mutex);
return change;
}
EXPORT_SYMBOL(snd_ac97_update_bits);
/* no lock version - see snd_ac97_update_bits() */
int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
unsigned short mask, unsigned short value)
{
int change;
unsigned short old, new ;
old = snd_ac97_read_cache(ac97, reg);
new = (old & ~mask) | (value & mask);
change = old != new ;
if (change) {
ac97->regs[reg] = new ;
ac97->bus->ops->write(ac97, reg, new );
}
set_bit(reg, ac97->reg_accessed);
return change;
}
static int snd_ac97_ad18xx_update_pcm_bits(struct snd_ac97 *ac97, int codec, unsigned short mask, unsigned short value)
{
int change;
unsigned short old, new , cfg;
mutex_lock(&ac97->page_mutex);
old = ac97->spec.ad18xx.pcmreg[codec];
new = (old & ~mask) | (value & mask);
change = old != new ;
if (change) {
mutex_lock(&ac97->reg_mutex);
cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
ac97->spec.ad18xx.pcmreg[codec] = new ;
/* select single codec */
ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
(cfg & ~0 x7000) |
ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
/* update PCM bits */
ac97->bus->ops->write(ac97, AC97_PCM, new );
/* select all codecs */
ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
cfg | 0 x7000);
mutex_unlock(&ac97->reg_mutex);
}
mutex_unlock(&ac97->page_mutex);
return change;
}
/*
* Controls
*/
static int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
return snd_ctl_enum_info(uinfo, e->shift_l == e->shift_r ? 1 : 2 ,
e->mask, e->texts);
}
static int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
unsigned short val, bitmask;
for (bitmask = 1 ; bitmask < e->mask; bitmask <<= 1 )
;
val = snd_ac97_read_cache(ac97, e->reg);
ucontrol->value.enumerated.item[0 ] = (val >> e->shift_l) & (bitmask - 1 );
if (e->shift_l != e->shift_r)
ucontrol->value.enumerated.item[1 ] = (val >> e->shift_r) & (bitmask - 1 );
return 0 ;
}
static int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
unsigned short val;
unsigned short mask, bitmask;
for (bitmask = 1 ; bitmask < e->mask; bitmask <<= 1 )
;
if (ucontrol->value.enumerated.item[0 ] > e->mask - 1 )
return -EINVAL;
val = ucontrol->value.enumerated.item[0 ] << e->shift_l;
mask = (bitmask - 1 ) << e->shift_l;
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1 ] > e->mask - 1 )
return -EINVAL;
val |= ucontrol->value.enumerated.item[1 ] << e->shift_r;
mask |= (bitmask - 1 ) << e->shift_r;
}
return snd_ac97_update_bits(ac97, e->reg, mask, val);
}
/* save/restore ac97 v2.3 paging */
static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
{
int page_save = -1 ;
if ((kcontrol->private_value & (1 <<25 )) &&
(ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
(reg >= 0 x60 && reg < 0 x70)) {
unsigned short page = (kcontrol->private_value >> 26 ) & 0 x0f;
mutex_lock(&ac97->page_mutex); /* lock paging */
page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
}
return page_save;
}
static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
{
if (page_save >= 0 ) {
snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
mutex_unlock(&ac97->page_mutex); /* unlock paging */
}
}
/* volume and switch controls */
static int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = shift == rshift ? 1 : 2 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = mask;
return 0 ;
}
static int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
int invert = (kcontrol->private_value >> 24 ) & 0 x01;
int page_save;
page_save = snd_ac97_page_save(ac97, reg, kcontrol);
ucontrol->value.integer.value[0 ] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
if (shift != rshift)
ucontrol->value.integer.value[1 ] = (snd_ac97_read_cache(ac97, reg) >> rshift) & mask;
if (invert) {
ucontrol->value.integer.value[0 ] = mask - ucontrol->value.integer.value[0 ];
if (shift != rshift)
ucontrol->value.integer.value[1 ] = mask - ucontrol->value.integer.value[1 ];
}
snd_ac97_page_restore(ac97, page_save);
return 0 ;
}
static int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
int invert = (kcontrol->private_value >> 24 ) & 0 x01;
int err, page_save;
unsigned short val, val2, val_mask;
page_save = snd_ac97_page_save(ac97, reg, kcontrol);
val = (ucontrol->value.integer.value[0 ] & mask);
if (invert)
val = mask - val;
val_mask = mask << shift;
val = val << shift;
if (shift != rshift) {
val2 = (ucontrol->value.integer.value[1 ] & mask);
if (invert)
val2 = mask - val2;
val_mask |= mask << rshift;
val |= val2 << rshift;
}
err = snd_ac97_update_bits(ac97, reg, val_mask, val);
snd_ac97_page_restore(ac97, page_save);
#ifdef CONFIG_SND_AC97_POWER_SAVE
/* check analog mixer power-down */
if ((val_mask & AC97_PD_EAPD) &&
(kcontrol->private_value & (1 <<30 ))) {
if (val & AC97_PD_EAPD)
ac97->power_up &= ~(1 << (reg>>1 ));
else
ac97->power_up |= 1 << (reg>>1 );
update_power_regs(ac97);
}
#endif
return err;
}
static const struct snd_kcontrol_new snd_ac97_controls_tone[2 ] = {
AC97_SINGLE("Tone Control - Bass" , AC97_MASTER_TONE, 8 , 15 , 1 ),
AC97_SINGLE("Tone Control - Treble" , AC97_MASTER_TONE, 0 , 15 , 1 )
};
static const struct snd_kcontrol_new snd_ac97_controls_pc_beep[2 ] = {
AC97_SINGLE("Beep Playback Switch" , AC97_PC_BEEP, 15 , 1 , 1 ),
AC97_SINGLE("Beep Playback Volume" , AC97_PC_BEEP, 1 , 15 , 1 )
};
static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
AC97_SINGLE("Mic Boost (+20dB)" , AC97_MIC, 6 , 1 , 0 );
static const char * std_rec_sel[] = {"Mic" , "CD" , "Video" , "Aux" , "Line" , "Mix" , "Mix Mono" , "Phone" };
static const char * std_3d_path[] = {"pre 3D" , "post 3D" };
static const char * std_mix[] = {"Mix" , "Mic" };
static const char * std_mic[] = {"Mic1" , "Mic2" };
static const struct ac97_enum std_enum[] = {
AC97_ENUM_DOUBLE(AC97_REC_SEL, 8 , 0 , 8 , std_rec_sel),
AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15 , 2 , std_3d_path),
AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9 , 2 , std_mix),
AC97_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8 , 2 , std_mic),
};
static const struct snd_kcontrol_new snd_ac97_control_capture_src =
AC97_ENUM("Capture Source" , std_enum[0 ]);
static const struct snd_kcontrol_new snd_ac97_control_capture_vol =
AC97_DOUBLE("Capture Volume" , AC97_REC_GAIN, 8 , 0 , 15 , 0 );
static const struct snd_kcontrol_new snd_ac97_controls_mic_capture[2 ] = {
AC97_SINGLE("Mic Capture Switch" , AC97_REC_GAIN_MIC, 15 , 1 , 1 ),
AC97_SINGLE("Mic Capture Volume" , AC97_REC_GAIN_MIC, 0 , 15 , 0 )
};
enum {
AC97_GENERAL_PCM_OUT = 0 ,
AC97_GENERAL_STEREO_ENHANCEMENT,
AC97_GENERAL_3D,
AC97_GENERAL_LOUDNESS,
AC97_GENERAL_MONO,
AC97_GENERAL_MIC,
AC97_GENERAL_LOOPBACK
};
static const struct snd_kcontrol_new snd_ac97_controls_general[7 ] = {
AC97_ENUM("PCM Out Path & Mute" , std_enum[1 ]),
AC97_SINGLE("Simulated Stereo Enhancement" , AC97_GENERAL_PURPOSE, 14 , 1 , 0 ),
AC97_SINGLE("3D Control - Switch" , AC97_GENERAL_PURPOSE, 13 , 1 , 0 ),
AC97_SINGLE("Loudness (bass boost)" , AC97_GENERAL_PURPOSE, 12 , 1 , 0 ),
AC97_ENUM("Mono Output Select" , std_enum[2 ]),
AC97_ENUM("Mic Select" , std_enum[3 ]),
AC97_SINGLE("ADC/DAC Loopback" , AC97_GENERAL_PURPOSE, 7 , 1 , 0 )
};
static const struct snd_kcontrol_new snd_ac97_controls_3d[2 ] = {
AC97_SINGLE("3D Control - Center" , AC97_3D_CONTROL, 8 , 15 , 0 ),
AC97_SINGLE("3D Control - Depth" , AC97_3D_CONTROL, 0 , 15 , 0 )
};
static const struct snd_kcontrol_new snd_ac97_controls_center[2 ] = {
AC97_SINGLE("Center Playback Switch" , AC97_CENTER_LFE_MASTER, 7 , 1 , 1 ),
AC97_SINGLE("Center Playback Volume" , AC97_CENTER_LFE_MASTER, 0 , 31 , 1 )
};
static const struct snd_kcontrol_new snd_ac97_controls_lfe[2 ] = {
AC97_SINGLE("LFE Playback Switch" , AC97_CENTER_LFE_MASTER, 15 , 1 , 1 ),
AC97_SINGLE("LFE Playback Volume" , AC97_CENTER_LFE_MASTER, 8 , 31 , 1 )
};
static const struct snd_kcontrol_new snd_ac97_control_eapd =
AC97_SINGLE("External Amplifier" , AC97_POWERDOWN, 15 , 1 , 1 );
static const struct snd_kcontrol_new snd_ac97_controls_modem_switches[2 ] = {
AC97_SINGLE("Off-hook Switch" , AC97_GPIO_STATUS, 0 , 1 , 0 ),
AC97_SINGLE("Caller ID Switch" , AC97_GPIO_STATUS, 2 , 1 , 0 )
};
/* change the existing EAPD control as inverted */
static void set_inv_eapd(struct snd_ac97 *ac97, struct snd_kcontrol *kctl)
{
kctl->private_value = AC97_SINGLE_VALUE(AC97_POWERDOWN, 15 , 1 , 0 );
snd_ac97_update_bits(ac97, AC97_POWERDOWN, (1 <<15 ), (1 <<15 )); /* EAPD up */
ac97->scaps |= AC97_SCAP_INV_EAPD;
}
static int snd_ac97_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1 ;
return 0 ;
}
static int snd_ac97_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.iec958.status[0 ] = IEC958_AES0_PROFESSIONAL |
IEC958_AES0_NONAUDIO |
IEC958_AES0_CON_EMPHASIS_5015 |
IEC958_AES0_CON_NOT_COPYRIGHT;
ucontrol->value.iec958.status[1 ] = IEC958_AES1_CON_CATEGORY |
IEC958_AES1_CON_ORIGINAL;
ucontrol->value.iec958.status[3 ] = IEC958_AES3_CON_FS;
return 0 ;
}
static int snd_ac97_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
/* FIXME: AC'97 spec doesn't say which bits are used for what */
ucontrol->value.iec958.status[0 ] = IEC958_AES0_PROFESSIONAL |
IEC958_AES0_NONAUDIO |
IEC958_AES0_PRO_FS |
IEC958_AES0_PRO_EMPHASIS_5015;
return 0 ;
}
static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
mutex_lock(&ac97->reg_mutex);
ucontrol->value.iec958.status[0 ] = ac97->spdif_status & 0 xff;
ucontrol->value.iec958.status[1 ] = (ac97->spdif_status >> 8 ) & 0 xff;
ucontrol->value.iec958.status[2 ] = (ac97->spdif_status >> 16 ) & 0 xff;
ucontrol->value.iec958.status[3 ] = (ac97->spdif_status >> 24 ) & 0 xff;
mutex_unlock(&ac97->reg_mutex);
return 0 ;
}
static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned int new = 0 ;
unsigned short val = 0 ;
int change;
new = val = ucontrol->value.iec958.status[0 ] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
if (ucontrol->value.iec958.status[0 ] & IEC958_AES0_PROFESSIONAL) {
new |= ucontrol->value.iec958.status[0 ] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
switch (new & IEC958_AES0_PRO_FS) {
case IEC958_AES0_PRO_FS_44100: val |= 0 <<12 ; break ;
case IEC958_AES0_PRO_FS_48000: val |= 2 <<12 ; break ;
case IEC958_AES0_PRO_FS_32000: val |= 3 <<12 ; break ;
default : val |= 1 <<12 ; break ;
}
if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
val |= 1 <<3 ;
} else {
new |= ucontrol->value.iec958.status[0 ] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
new |= ((ucontrol->value.iec958.status[1 ] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8 );
new |= ((ucontrol->value.iec958.status[3 ] & IEC958_AES3_CON_FS) << 24 );
if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
val |= 1 <<3 ;
if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
val |= 1 <<2 ;
val |= ((new >> 8 ) & 0 xff) << 4 ; // category + original
switch ((new >> 24 ) & 0 xff) {
case IEC958_AES3_CON_FS_44100: val |= 0 <<12 ; break ;
case IEC958_AES3_CON_FS_48000: val |= 2 <<12 ; break ;
case IEC958_AES3_CON_FS_32000: val |= 3 <<12 ; break ;
default : val |= 1 <<12 ; break ;
}
}
mutex_lock(&ac97->reg_mutex);
change = ac97->spdif_status != new ;
ac97->spdif_status = new ;
if (ac97->flags & AC97_CS_SPDIF) {
int x = (val >> 12 ) & 0 x03;
switch (x) {
case 0 : x = 1 ; break ; // 44.1
case 2 : x = 0 ; break ; // 48.0
default : x = 0 ; break ; // illegal.
}
change |= snd_ac97_update_bits_nolock(ac97, AC97_CSR_SPDIF, 0 x3fff, ((val & 0 xcfff) | (x << 12 )));
} else if (ac97->flags & AC97_CX_SPDIF) {
int v;
v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
change |= snd_ac97_update_bits_nolock(ac97, AC97_CXR_AUDIO_MISC,
AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
v);
} else if (ac97->id == AC97_ID_YMF743) {
change |= snd_ac97_update_bits_nolock(ac97,
AC97_YMF7X3_DIT_CTRL,
0 xff38,
((val << 4 ) & 0 xff00) |
((val << 2 ) & 0 x0038));
} else {
unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0 ); /* turn off */
change |= snd_ac97_update_bits_nolock(ac97, AC97_SPDIF, 0 x3fff, val);
if (extst & AC97_EA_SPDIF) {
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
}
}
mutex_unlock(&ac97->reg_mutex);
return change;
}
static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0 xff;
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
// int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short value, old, new ;
int change;
value = (ucontrol->value.integer.value[0 ] & mask);
mutex_lock(&ac97->reg_mutex);
mask <<= shift;
value <<= shift;
old = snd_ac97_read_cache(ac97, reg);
new = (old & ~mask) | value;
change = old != new ;
if (change) {
unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0 ); /* turn off */
change = snd_ac97_update_bits_nolock(ac97, reg, mask, value);
if (extst & AC97_EA_SPDIF)
snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
}
mutex_unlock(&ac97->reg_mutex);
return change;
}
static const struct snd_kcontrol_new snd_ac97_controls_spdif[5 ] = {
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,CON_MASK),
.info = snd_ac97_spdif_mask_info,
.get = snd_ac97_spdif_cmask_get,
},
{
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,PRO_MASK),
.info = snd_ac97_spdif_mask_info,
.get = snd_ac97_spdif_pmask_get,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,DEFAULT ),
.info = snd_ac97_spdif_mask_info,
.get = snd_ac97_spdif_default_get,
.put = snd_ac97_spdif_default_put,
},
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,SWITCH ),AC97_EXTENDED_STATUS, 2 , 1 , 0 ),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("" ,PLAYBACK,NONE) "AC97-SPSA" ,
.info = snd_ac97_info_volsw,
.get = snd_ac97_get_volsw,
.put = snd_ac97_put_spsa,
.private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4 , 3 , 0 )
},
};
#define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
.get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
.private_value = (codec) | ((lshift) << 8 ) | ((rshift) << 12 ) | ((mask) << 16 ) }
static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int mask = (kcontrol->private_value >> 16 ) & 0 x0f;
int lshift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
uinfo->count = 2 ;
else
uinfo->count = 1 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = mask;
return 0 ;
}
static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3 ;
int lshift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
ucontrol->value.integer.value[0 ] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
ucontrol->value.integer.value[1 ] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
return 0 ;
}
static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3 ;
int lshift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
int mask = (kcontrol->private_value >> 16 ) & 0 xff;
unsigned short val, valmask;
val = (mask - (ucontrol->value.integer.value[0 ] & mask)) << lshift;
valmask = mask << lshift;
if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
val |= (mask - (ucontrol->value.integer.value[1 ] & mask)) << rshift;
valmask |= mask << rshift;
}
return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
}
#define AD18XX_PCM_VOLUME(xname, codec) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
.get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
.private_value = codec }
static int snd_ac97_ad18xx_pcm_info_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2 ;
uinfo->value.integer.min = 0 ;
uinfo->value.integer.max = 31 ;
return 0 ;
}
static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3 ;
mutex_lock(&ac97->page_mutex);
ucontrol->value.integer.value[0 ] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8 ) & 31 );
ucontrol->value.integer.value[1 ] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0 ) & 31 );
mutex_unlock(&ac97->page_mutex);
return 0 ;
}
static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3 ;
unsigned short val1, val2;
val1 = 31 - (ucontrol->value.integer.value[0 ] & 31 );
val2 = 31 - (ucontrol->value.integer.value[1 ] & 31 );
return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0 x1f1f, (val1 << 8 ) | val2);
}
static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_pcm[2 ] = {
AD18XX_PCM_BITS("PCM Playback Switch" , 0 , 15 , 7 , 1 ),
AD18XX_PCM_VOLUME("PCM Playback Volume" , 0 )
};
static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_surround[2 ] = {
AD18XX_PCM_BITS("Surround Playback Switch" , 1 , 15 , 7 , 1 ),
AD18XX_PCM_VOLUME("Surround Playback Volume" , 1 )
};
static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_center[2 ] = {
AD18XX_PCM_BITS("Center Playback Switch" , 2 , 15 , 15 , 1 ),
AD18XX_PCM_BITS("Center Playback Volume" , 2 , 8 , 8 , 31 )
};
static const struct snd_kcontrol_new snd_ac97_controls_ad18xx_lfe[2 ] = {
AD18XX_PCM_BITS("LFE Playback Switch" , 2 , 7 , 7 , 1 ),
AD18XX_PCM_BITS("LFE Playback Volume" , 2 , 0 , 0 , 31 )
};
/*
*
*/
static void snd_ac97_powerdown(struct snd_ac97 *ac97);
static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
{
if (bus) {
snd_ac97_bus_proc_done(bus);
kfree(bus->pcms);
if (bus->private_free)
bus->private_free(bus);
kfree(bus);
}
return 0 ;
}
static int snd_ac97_bus_dev_free(struct snd_device *device)
{
struct snd_ac97_bus *bus = device->device_data;
return snd_ac97_bus_free(bus);
}
static int snd_ac97_free(struct snd_ac97 *ac97)
{
if (ac97) {
#ifdef CONFIG_SND_AC97_POWER_SAVE
cancel_delayed_work_sync(&ac97->power_work);
#endif
snd_ac97_proc_done(ac97);
if (ac97->bus)
ac97->bus->codec[ac97->num] = NULL;
if (ac97->private_free)
ac97->private_free(ac97);
kfree(ac97);
}
return 0 ;
}
static int snd_ac97_dev_free(struct snd_device *device)
{
struct snd_ac97 *ac97 = device->device_data;
snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
return snd_ac97_free(ac97);
}
static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
{
unsigned short val, mask = AC97_MUTE_MASK_MONO;
if (! snd_ac97_valid_reg(ac97, reg))
return 0 ;
switch (reg) {
case AC97_MASTER_TONE:
return ac97->caps & AC97_BC_BASS_TREBLE ? 1 : 0 ;
case AC97_HEADPHONE:
return ac97->caps & AC97_BC_HEADPHONE ? 1 : 0 ;
case AC97_REC_GAIN_MIC:
return ac97->caps & AC97_BC_DEDICATED_MIC ? 1 : 0 ;
case AC97_3D_CONTROL:
if (ac97->caps & AC97_BC_3D_TECH_ID_MASK) {
val = snd_ac97_read(ac97, reg);
/* if nonzero - fixed and we can't set it */
return val == 0 ;
}
return 0 ;
case AC97_CENTER_LFE_MASTER: /* center */
if ((ac97->ext_id & AC97_EI_CDAC) == 0 )
return 0 ;
break ;
case AC97_CENTER_LFE_MASTER+1 : /* lfe */
if ((ac97->ext_id & AC97_EI_LDAC) == 0 )
return 0 ;
reg = AC97_CENTER_LFE_MASTER;
mask = 0 x0080;
break ;
case AC97_SURROUND_MASTER:
if ((ac97->ext_id & AC97_EI_SDAC) == 0 )
return 0 ;
break ;
}
val = snd_ac97_read(ac97, reg);
if (!(val & mask)) {
/* nothing seems to be here - mute flag is not set */
/* try another test */
snd_ac97_write_cache(ac97, reg, val | mask);
val = snd_ac97_read(ac97, reg);
val = snd_ac97_read(ac97, reg);
if (!(val & mask))
return 0 ; /* nothing here */
}
return 1 ; /* success, useable */
}
static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
{
unsigned short cbit[3 ] = { 0 x20, 0 x10, 0 x01 };
unsigned char max[3 ] = { 63 , 31 , 15 };
int i;
/* first look up the static resolution table */
if (ac97->res_table) {
const struct snd_ac97_res_table *tbl;
for (tbl = ac97->res_table; tbl->reg; tbl++) {
if (tbl->reg == reg) {
*lo_max = tbl->bits & 0 xff;
*hi_max = (tbl->bits >> 8 ) & 0 xff;
return ;
}
}
}
*lo_max = *hi_max = 0 ;
for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
unsigned short val;
snd_ac97_write(
ac97, reg,
AC97_MUTE_MASK_STEREO | cbit[i] | (cbit[i] << 8 )
);
/* Do the read twice due to buffers on some ac97 codecs.
* e . g . The STAC9704 returns exactly what you wrote to the register
* if you read it immediately . This causes the detect routine to fail .
*/
val = snd_ac97_read(ac97, reg);
val = snd_ac97_read(ac97, reg);
if (! *lo_max && (val & 0 x7f) == cbit[i])
*lo_max = max[i];
if (! *hi_max && ((val >> 8 ) & 0 x7f) == cbit[i])
*hi_max = max[i];
if (*lo_max && *hi_max)
break ;
}
}
static int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
{
unsigned short mask, val, orig, res;
mask = 1 << bit;
orig = snd_ac97_read(ac97, reg);
val = orig ^ mask;
snd_ac97_write(ac97, reg, val);
res = snd_ac97_read(ac97, reg);
snd_ac97_write_cache(ac97, reg, orig);
return res == val;
}
/* check the volume resolution of center/lfe */
static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
{
unsigned short val, val1;
*max = 63 ;
val = AC97_MUTE_MASK_STEREO | (0 x20 << shift);
snd_ac97_write(ac97, reg, val);
val1 = snd_ac97_read(ac97, reg);
if (val != val1) {
*max = 31 ;
}
/* reset volume to zero */
snd_ac97_write_cache(ac97, reg, AC97_MUTE_MASK_STEREO);
}
static inline int printable(unsigned int x)
{
x &= 0 xff;
if (x < ' ' || x >= 0 x71) {
if (x <= 0 x89)
return x - 0 x71 + 'A' ;
return '?' ;
}
return x;
}
static struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template ,
struct snd_ac97 * ac97)
{
struct snd_kcontrol_new template ;
memcpy(&template , _template , sizeof (template ));
template .index = ac97->num;
return snd_ctl_new1(&template , ac97);
}
/*
* create mute switch ( es ) for normal stereo controls
*/
static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg,
int check_stereo, int check_amix,
struct snd_ac97 *ac97)
{
struct snd_kcontrol *kctl;
int err;
unsigned short val, val1, mute_mask;
if (! snd_ac97_valid_reg(ac97, reg))
return 0 ;
mute_mask = AC97_MUTE_MASK_MONO;
val = snd_ac97_read(ac97, reg);
if (check_stereo || (ac97->flags & AC97_STEREO_MUTES)) {
/* check whether both mute bits work */
val1 = val | AC97_MUTE_MASK_STEREO;
snd_ac97_write(ac97, reg, val1);
if (val1 == snd_ac97_read(ac97, reg))
mute_mask = AC97_MUTE_MASK_STEREO;
}
if (mute_mask == AC97_MUTE_MASK_STEREO) {
struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 15 , 7 , 1 , 1 );
if (check_amix)
tmp.private_value |= (1 << 30 );
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
} else {
struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 15 , 1 , 1 );
if (check_amix)
tmp.private_value |= (1 << 30 );
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
}
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
/* mute as default */
snd_ac97_write_cache(ac97, reg, val | mute_mask);
return 0 ;
}
/*
* set dB information
*/
static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500 , 300 , 0 );
static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650 , 150 , 0 );
static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450 , 150 , 0 );
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450 , 150 , 0 );
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0 , 150 , 0 );
static const unsigned int *find_db_scale(unsigned int maxval)
{
switch (maxval) {
case 0 x0f: return db_scale_4bit;
case 0 x1f: return db_scale_5bit;
case 0 x3f: return db_scale_6bit;
}
return NULL;
}
static void set_tlv_db_scale(struct snd_kcontrol *kctl, const unsigned int *tlv)
{
kctl->tlv.p = tlv;
if (tlv)
kctl->vd[0 ].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
}
/*
* create a volume for normal stereo / mono controls
*/
static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigned int lo_max,
unsigned int hi_max, struct snd_ac97 *ac97)
{
int err;
struct snd_kcontrol *kctl;
if (! snd_ac97_valid_reg(ac97, reg))
return 0 ;
if (hi_max) {
/* invert */
struct snd_kcontrol_new tmp = AC97_DOUBLE(name, reg, 8 , 0 , lo_max, 1 );
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
} else {
/* invert */
struct snd_kcontrol_new tmp = AC97_SINGLE(name, reg, 0 , lo_max, 1 );
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
}
if (!kctl)
return -ENOMEM;
if (reg >= AC97_PHONE && reg <= AC97_PCM)
set_tlv_db_scale(kctl, db_scale_5bit_12db_max);
else
set_tlv_db_scale(kctl, find_db_scale(lo_max));
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
snd_ac97_write_cache(
ac97, reg,
(snd_ac97_read(ac97, reg) & AC97_MUTE_MASK_STEREO)
| lo_max | (hi_max << 8 )
);
return 0 ;
}
/*
* create a mute - switch and a volume for normal stereo / mono controls
*/
static int snd_ac97_cmix_new_stereo(struct snd_card *card, const char *pfx,
int reg, int check_stereo, int check_amix,
struct snd_ac97 *ac97)
{
int err;
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
unsigned char lo_max, hi_max;
if (! snd_ac97_valid_reg(ac97, reg))
return 0 ;
if (snd_ac97_try_bit(ac97, reg, 15 )) {
sprintf(name, "%s Switch" , pfx);
err = snd_ac97_cmute_new_stereo(card, name, reg,
check_stereo, check_amix,
ac97);
if (err < 0 )
return err;
}
check_volume_resolution(ac97, reg, &lo_max, &hi_max);
if (lo_max) {
sprintf(name, "%s Volume" , pfx);
err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97);
if (err < 0 )
return err;
}
return 0 ;
}
#define snd_ac97_cmix_new(card, pfx, reg, acheck, ac97) \
snd_ac97_cmix_new_stereo(card, pfx, reg, 0 , acheck, ac97)
#define snd_ac97_cmute_new(card, name, reg, acheck, ac97) \
snd_ac97_cmute_new_stereo(card, name, reg, 0 , acheck, ac97)
static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
{
struct snd_card *card = ac97->bus->card;
struct snd_kcontrol *kctl;
int err;
unsigned int idx;
unsigned char max;
/* build master controls */
/* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
if (ac97->flags & AC97_HAS_NO_MASTER_VOL)
err = snd_ac97_cmute_new(card, "Master Playback Switch" ,
AC97_MASTER, 0 , ac97);
else
err = snd_ac97_cmix_new(card, "Master Playback" ,
AC97_MASTER, 0 , ac97);
if (err < 0 )
return err;
}
ac97->regs[AC97_CENTER_LFE_MASTER] = AC97_MUTE_MASK_STEREO;
/* build center controls */
if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER))
&& !(ac97->flags & AC97_AD_MULTI)) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0 ], ac97));
if (err < 0 )
return err;
err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1 ], ac97));
if (err < 0 )
return err;
snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0 , &max);
kctl->private_value &= ~(0 xff << 16 );
kctl->private_value |= (int )max << 16 ;
set_tlv_db_scale(kctl, find_db_scale(max));
snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
}
/* build LFE controls */
if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1 ))
&& !(ac97->flags & AC97_AD_MULTI)) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0 ], ac97));
if (err < 0 )
return err;
err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1 ], ac97));
if (err < 0 )
return err;
snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8 , &max);
kctl->private_value &= ~(0 xff << 16 );
kctl->private_value |= (int )max << 16 ;
set_tlv_db_scale(kctl, find_db_scale(max));
snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8 );
}
/* build surround controls */
if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER))
&& !(ac97->flags & AC97_AD_MULTI)) {
/* Surround Master (0x38) is with stereo mutes */
err = snd_ac97_cmix_new_stereo(card, "Surround Playback" ,
AC97_SURROUND_MASTER, 1 , 0 ,
ac97);
if (err < 0 )
return err;
}
/* build headphone controls */
if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
err = snd_ac97_cmix_new(card, "Headphone Playback" ,
AC97_HEADPHONE, 0 , ac97);
if (err < 0 )
return err;
}
/* build master mono controls */
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
err = snd_ac97_cmix_new(card, "Master Mono Playback" ,
AC97_MASTER_MONO, 0 , ac97);
if (err < 0 )
return err;
}
/* build master tone controls */
if (!(ac97->flags & AC97_HAS_NO_TONE)) {
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
if (ac97->id == AC97_ID_YMF743 ||
ac97->id == AC97_ID_YMF753) {
kctl->private_value &= ~(0 xff << 16 );
kctl->private_value |= 7 << 16 ;
}
}
snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0 x0f0f);
}
}
/* build Beep controls */
if (!(ac97->flags & AC97_HAS_NO_PC_BEEP) &&
((ac97->flags & AC97_HAS_PC_BEEP) ||
snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) {
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_4bit);
snd_ac97_write_cache(
ac97,
AC97_PC_BEEP,
(snd_ac97_read(ac97, AC97_PC_BEEP)
| AC97_MUTE_MASK_MONO | 0 x001e)
);
}
/* build Phone controls */
if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
err = snd_ac97_cmix_new(card, "Phone Playback" ,
AC97_PHONE, 1 , ac97);
if (err < 0 )
return err;
}
}
/* build MIC controls */
if (!(ac97->flags & AC97_HAS_NO_MIC)) {
if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
err = snd_ac97_cmix_new(card, "Mic Playback" ,
AC97_MIC, 1 , ac97);
if (err < 0 )
return err;
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, ac97));
if (err < 0 )
return err;
}
}
/* build Line controls */
if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
err = snd_ac97_cmix_new(card, "Line Playback" ,
AC97_LINE, 1 , ac97);
if (err < 0 )
return err;
}
/* build CD controls */
if (!(ac97->flags & AC97_HAS_NO_CD)) {
if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
err = snd_ac97_cmix_new(card, "CD Playback" ,
AC97_CD, 1 , ac97);
if (err < 0 )
return err;
}
}
/* build Video controls */
if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
err = snd_ac97_cmix_new(card, "Video Playback" ,
AC97_VIDEO, 1 , ac97);
if (err < 0 )
return err;
}
}
/* build Aux controls */
if (!(ac97->flags & AC97_HAS_NO_AUX)) {
if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
err = snd_ac97_cmix_new(card, "Aux Playback" ,
AC97_AUX, 1 , ac97);
if (err < 0 )
return err;
}
}
/* build PCM controls */
if (ac97->flags & AC97_AD_MULTI) {
unsigned short init_val;
if (ac97->flags & AC97_STEREO_MUTES)
init_val = 0 x9f9f;
else
init_val = 0 x9f1f;
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_5bit);
ac97->spec.ad18xx.pcmreg[0 ] = init_val;
if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_5bit);
ac97->spec.ad18xx.pcmreg[1 ] = init_val;
}
if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_5bit);
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_5bit);
ac97->spec.ad18xx.pcmreg[2 ] = init_val;
}
snd_ac97_write_cache(ac97, AC97_PCM, init_val);
} else {
if (!(ac97->flags & AC97_HAS_NO_STD_PCM)) {
if (ac97->flags & AC97_HAS_NO_PCM_VOL)
err = snd_ac97_cmute_new(card,
"PCM Playback Switch" ,
AC97_PCM, 0 , ac97);
else
err = snd_ac97_cmix_new(card, "PCM Playback" ,
AC97_PCM, 0 , ac97);
if (err < 0 )
return err;
}
}
/* build Capture controls */
if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97));
if (err < 0 )
return err;
if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15 )) {
err = snd_ac97_cmute_new(card, "Capture Switch" ,
AC97_REC_GAIN, 0 , ac97);
if (err < 0 )
return err;
}
kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
set_tlv_db_scale(kctl, db_scale_rec_gain);
snd_ac97_write_cache(ac97, AC97_REC_SEL, 0 x0000);
snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0 x0000);
}
/* build MIC Capture controls */
if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
for (idx = 0 ; idx < 2 ; idx++) {
kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
set_tlv_db_scale(kctl, db_scale_rec_gain);
snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0 x0000);
}
/* build PCM out path & mute control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15 )) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97));
if (err < 0 )
return err;
}
/* build Simulated Stereo Enhancement control */
if (ac97->caps & AC97_BC_SIM_STEREO) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97));
if (err < 0 )
return err;
}
/* build 3D Stereo Enhancement control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13 )) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97));
if (err < 0 )
return err;
}
/* build Loudness control */
if (ac97->caps & AC97_BC_LOUDNESS) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97));
if (err < 0 )
return err;
}
/* build Mono output select control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9 )) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97));
if (err < 0 )
return err;
}
/* build Mic select control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8 )) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97));
if (err < 0 )
return err;
}
/* build ADC/DAC loopback control */
if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7 )) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97));
if (err < 0 )
return err;
}
snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0 x0000);
/* build 3D controls */
if (ac97->build_ops->build_3d) {
ac97->build_ops->build_3d(ac97);
} else {
if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
unsigned short val;
val = 0 x0707;
snd_ac97_write(ac97, AC97_3D_CONTROL, val);
val = snd_ac97_read(ac97, AC97_3D_CONTROL);
val = val == 0 x0606;
kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0 ], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
if (val)
kctl->private_value = AC97_3D_CONTROL | (9 << 8 ) | (7 << 16 );
kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1 ], ac97);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
if (val)
kctl->private_value = AC97_3D_CONTROL | (1 << 8 ) | (7 << 16 );
snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0 x0000);
}
}
/* build S/PDIF controls */
/* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
if (ac97->subsystem_vendor == 0 x1043 &&
ac97->subsystem_device == 0 x810f)
ac97->ext_id |= AC97_EI_SPDIF;
if ((ac97->ext_id & AC97_EI_SPDIF) && !(ac97->scaps & AC97_SCAP_NO_SPDIF)) {
if (ac97->build_ops->build_spdif) {
err = ac97->build_ops->build_spdif(ac97);
if (err < 0 )
return err;
} else {
for (idx = 0 ; idx < 5 ; idx++) {
err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97));
if (err < 0 )
return err;
}
if (ac97->build_ops->build_post_spdif) {
err = ac97->build_ops->build_post_spdif(ac97);
if (err < 0 )
return err;
}
/* set default PCM S/PDIF params */
/* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
snd_ac97_write_cache(ac97, AC97_SPDIF, 0 x2a20);
ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
}
ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
}
/* build chip specific controls */
if (ac97->build_ops->build_specific) {
err = ac97->build_ops->build_specific(ac97);
if (err < 0 )
return err;
}
if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15 )) {
kctl = snd_ac97_cnew(&snd_ac97_control_eapd, ac97);
if (! kctl)
return -ENOMEM;
if (ac97->scaps & AC97_SCAP_INV_EAPD)
set_inv_eapd(ac97, kctl);
err = snd_ctl_add(card, kctl);
if (err < 0 )
return err;
}
return 0 ;
}
static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
{
int err, idx;
/*
ac97_dbg ( ac97 , " AC97_GPIO_CFG = % x \ n " ,
snd_ac97_read ( ac97 , AC97_GPIO_CFG ) ) ;
*/
snd_ac97_write(ac97, AC97_GPIO_CFG, 0 xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0 xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_STICKY, 0 xffff);
snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0 x0);
snd_ac97_write(ac97, AC97_MISC_AFE, 0 x0);
/* build modem switches */
for (idx = 0 ; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++) {
err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97));
if (err < 0 )
return err;
}
/* build chip specific controls */
if (ac97->build_ops->build_specific) {
err = ac97->build_ops->build_specific(ac97);
if (err < 0 )
return err;
}
return 0 ;
}
static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
{
unsigned short val;
unsigned int tmp;
tmp = ((unsigned int )rate * ac97->bus->clock) / 48000 ;
snd_ac97_write_cache(ac97, reg, tmp & 0 xffff);
if (shadow_reg)
snd_ac97_write_cache(ac97, shadow_reg, tmp & 0 xffff);
val = snd_ac97_read(ac97, reg);
return val == (tmp & 0 xffff);
}
static void snd_ac97_determine_rates(struct snd_ac97 *ac97, int reg, int shadow_reg, unsigned int *r_result)
{
unsigned int result = 0 ;
unsigned short saved;
if (ac97->bus->no_vra) {
*r_result = SNDRV_PCM_RATE_48000;
if ((ac97->flags & AC97_DOUBLE_RATE) &&
reg == AC97_PCM_FRONT_DAC_RATE)
*r_result |= SNDRV_PCM_RATE_96000;
return ;
}
saved = snd_ac97_read(ac97, reg);
if ((ac97->ext_id & AC97_EI_DRA) && reg == AC97_PCM_FRONT_DAC_RATE)
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
AC97_EA_DRA, 0 );
/* test a non-standard rate */
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000 ))
result |= SNDRV_PCM_RATE_CONTINUOUS;
/* let's try to obtain standard rates */
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000 ))
result |= SNDRV_PCM_RATE_8000;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025 ))
result |= SNDRV_PCM_RATE_11025;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000 ))
result |= SNDRV_PCM_RATE_16000;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050 ))
result |= SNDRV_PCM_RATE_22050;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000 ))
result |= SNDRV_PCM_RATE_32000;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100 ))
result |= SNDRV_PCM_RATE_44100;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000 ))
result |= SNDRV_PCM_RATE_48000;
if ((ac97->flags & AC97_DOUBLE_RATE) &&
reg == AC97_PCM_FRONT_DAC_RATE) {
/* test standard double rates */
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
AC97_EA_DRA, AC97_EA_DRA);
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 64000 / 2 ))
result |= SNDRV_PCM_RATE_64000;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 88200 / 2 ))
result |= SNDRV_PCM_RATE_88200;
if (snd_ac97_test_rate(ac97, reg, shadow_reg, 96000 / 2 ))
result |= SNDRV_PCM_RATE_96000;
/* some codecs don't support variable double rates */
if (!snd_ac97_test_rate(ac97, reg, shadow_reg, 76100 / 2 ))
result &= ~SNDRV_PCM_RATE_CONTINUOUS;
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
AC97_EA_DRA, 0 );
}
/* restore the default value */
snd_ac97_write_cache(ac97, reg, saved);
if (shadow_reg)
snd_ac97_write_cache(ac97, shadow_reg, saved);
*r_result = result;
}
/* check AC97_SPDIF register to accept which sample rates */
static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
{
unsigned int result = 0 ;
int i;
static const unsigned short ctl_bits[] = {
AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
};
static const unsigned int rate_bits[] = {
SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
};
for (i = 0 ; i < (int )ARRAY_SIZE(ctl_bits); i++) {
snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
result |= rate_bits[i];
}
return result;
}
/* look for the codec id table matching with the given id */
static const struct ac97_codec_id *look_for_codec_id(const struct ac97_codec_id *table,
unsigned int id)
{
const struct ac97_codec_id *pid;
for (pid = table; pid->id; pid++)
if (pid->id == (id & pid->mask))
return pid;
return NULL;
}
void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name,
size_t maxlen, int modem)
{
const struct ac97_codec_id *pid;
sprintf(name, "0x%x %c%c%c" , id,
printable(id >> 24 ),
printable(id >> 16 ),
printable(id >> 8 ));
pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
if (! pid)
return ;
strscpy(name, pid->name, maxlen);
if (ac97 && pid->patch) {
if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
(! modem && ! (pid->flags & AC97_MODEM_PATCH)))
pid->patch(ac97);
}
pid = look_for_codec_id(snd_ac97_codec_ids, id);
if (pid) {
strlcat(name, " " , maxlen);
strlcat(name, pid->name, maxlen);
if (pid->mask != 0 xffffffff)
sprintf(name + strlen(name), " rev %u" , id & ~pid->mask);
if (ac97 && pid->patch) {
if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
(! modem && ! (pid->flags & AC97_MODEM_PATCH)))
pid->patch(ac97);
}
} else {
int l = strlen(name);
snprintf(name + l, maxlen - l, " id %x" , id & 0 xff);
}
}
/**
* snd_ac97_get_short_name - retrieve codec name
* @ ac97 : the codec instance
*
* Return : The short identifying name of the codec .
*/
const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
{
const struct ac97_codec_id *pid;
for (pid = snd_ac97_codec_ids; pid->id; pid++)
if (pid->id == (ac97->id & pid->mask))
return pid->name;
return "unknown codec" ;
}
EXPORT_SYMBOL(snd_ac97_get_short_name);
/* wait for a while until registers are accessible after RESET
* return 0 if ok , negative not ready
*/
static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
{
unsigned long end_time;
unsigned short val;
end_time = jiffies + timeout;
do {
/* use preliminary reads to settle the communication */
snd_ac97_read(ac97, AC97_RESET);
snd_ac97_read(ac97, AC97_VENDOR_ID1);
snd_ac97_read(ac97, AC97_VENDOR_ID2);
/* modem? */
if (with_modem) {
val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
if (val != 0 xffff && (val & 1 ) != 0 )
return 0 ;
}
if (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) {
/* probably only Xbox issue - all registers are read as zero */
val = snd_ac97_read(ac97, AC97_VENDOR_ID1);
if (val != 0 && val != 0 xffff)
return 0 ;
} else {
/* because the PCM or MASTER volume registers can be modified,
* the REC_GAIN register is used for tests
*/
/* test if we can write to the record gain volume register */
snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0 x8a05);
if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0 x7fff) == 0 x0a05)
return 0 ;
}
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
return -ENODEV;
}
/**
* snd_ac97_bus - create an AC97 bus component
* @ card : the card instance
* @ num : the bus number
* @ ops : the bus callbacks table
* @ private_data : private data pointer for the new instance
* @ rbus : the pointer to store the new AC97 bus instance .
*
* Creates an AC97 bus component . An struct snd_ac97_bus instance is newly
* allocated and initialized .
*
* The ops table must include valid callbacks ( at least read and
* write ) . The other callbacks , wait and reset , are not mandatory .
*
* The clock is set to 48000 . If another clock is needed , set
* ` ` ( * rbus ) - > clock ` ` manually .
*
* The AC97 bus instance is registered as a low - level device , so you don ' t
* have to release it manually .
*
* Return : Zero if successful , or a negative error code on failure .
*/
int snd_ac97_bus(struct snd_card *card, int num,
const struct snd_ac97_bus_ops *ops,
void *private_data, struct snd_ac97_bus **rbus)
{
int err;
struct snd_ac97_bus *bus;
static const struct snd_device_ops dev_ops = {
.dev_free = snd_ac97_bus_dev_free,
};
if (snd_BUG_ON(!card))
return -EINVAL;
bus = kzalloc(sizeof (*bus), GFP_KERNEL);
if (bus == NULL)
return -ENOMEM;
bus->card = card;
bus->num = num;
bus->ops = ops;
bus->private_data = private_data;
bus->clock = 48000 ;
spin_lock_init(&bus->bus_lock);
snd_ac97_bus_proc_init(bus);
err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
if (err < 0 ) {
snd_ac97_bus_free(bus);
return err;
}
if (rbus)
*rbus = bus;
return 0 ;
}
EXPORT_SYMBOL(snd_ac97_bus);
/* stop no dev release warning */
static void ac97_device_release(struct device * dev)
{
}
/* register ac97 codec to bus */
static int snd_ac97_dev_register(struct snd_device *device)
{
struct snd_ac97 *ac97 = device->device_data;
int err;
ac97->dev.bus = &ac97_bus_type;
ac97->dev.parent = ac97->bus->card->dev;
ac97->dev.release = ac97_device_release;
dev_set_name(&ac97->dev, "%d-%d:%s" ,
ac97->bus->card->number, ac97->num,
snd_ac97_get_short_name(ac97));
err = device_register(&ac97->dev);
if (err < 0 ) {
ac97_err(ac97, "Can't register ac97 bus\n" );
put_device(&ac97->dev);
ac97->dev.bus = NULL;
return err;
}
return 0 ;
}
/* disconnect ac97 codec */
static int snd_ac97_dev_disconnect(struct snd_device *device)
{
struct snd_ac97 *ac97 = device->device_data;
if (ac97->dev.bus)
device_unregister(&ac97->dev);
return 0 ;
}
/* build_ops to do nothing */
static const struct snd_ac97_build_ops null_build_ops;
#ifdef CONFIG_SND_AC97_POWER_SAVE
static void do_update_power(struct work_struct *work)
{
update_power_regs(
container_of(work, struct snd_ac97, power_work.work));
}
#endif
/**
* snd_ac97_mixer - create an Codec97 component
* @ bus : the AC97 bus which codec is attached to
* @ template : the template of ac97 , including index , callbacks and
* the private data .
* @ rac97 : the pointer to store the new ac97 instance .
*
* Creates an Codec97 component . An struct snd_ac97 instance is newly
* allocated and initialized from the template . The codec
* is then initialized by the standard procedure .
*
* The template must include the codec number ( num ) and address ( addr ) ,
* and the private data ( private_data ) .
*
* The ac97 instance is registered as a low - level device , so you don ' t
* have to release it manually .
*
* Return : Zero if successful , or a negative error code on failure .
*/
int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template , struct snd_ac97 **rac97)
{
int err;
struct snd_ac97 *ac97;
struct snd_card *card;
char name[64 ];
unsigned long end_time;
unsigned int reg;
const struct ac97_codec_id *pid;
static const struct snd_device_ops ops = {
.dev_free = snd_ac97_dev_free,
.dev_register = snd_ac97_dev_register,
.dev_disconnect = snd_ac97_dev_disconnect,
};
if (snd_BUG_ON(!bus || !template || !rac97))
return -EINVAL;
*rac97 = NULL;
if (snd_BUG_ON(template ->num >= 4 ))
return -EINVAL;
if (bus->codec[template ->num])
return -EBUSY;
card = bus->card;
ac97 = kzalloc(sizeof (*ac97), GFP_KERNEL);
if (ac97 == NULL)
return -ENOMEM;
ac97->private_data = template ->private_data;
ac97->private_free = template ->private_free;
ac97->bus = bus;
ac97->pci = template ->pci;
ac97->num = template ->num;
ac97->addr = template ->addr;
ac97->scaps = template ->scaps;
ac97->res_table = template ->res_table;
bus->codec[ac97->num] = ac97;
mutex_init(&ac97->reg_mutex);
mutex_init(&ac97->page_mutex);
#ifdef CONFIG_SND_AC97_POWER_SAVE
INIT_DELAYED_WORK(&ac97->power_work, do_update_power);
#endif
#ifdef CONFIG_PCI
if (ac97->pci) {
pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
}
#endif
if (bus->ops->reset) {
bus->ops->reset(ac97);
goto __access_ok;
}
ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16 ;
ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
if (ac97->id && ac97->id != (unsigned int )-1 ) {
pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
if (pid && (pid->flags & AC97_DEFAULT_POWER_OFF))
goto __access_ok;
}
/* reset to defaults */
if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
snd_ac97_write(ac97, AC97_RESET, 0 );
if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
snd_ac97_write(ac97, AC97_EXTENDED_MID, 0 );
if (bus->ops->wait)
bus->ops->wait(ac97);
else {
udelay(50 );
if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
err = ac97_reset_wait(ac97, msecs_to_jiffies(500 ), 1 );
else {
err = ac97_reset_wait(ac97, msecs_to_jiffies(500 ), 0 );
if (err < 0 )
err = ac97_reset_wait(ac97,
msecs_to_jiffies(500 ), 1 );
}
if (err < 0 ) {
ac97_warn(ac97, "AC'97 %d does not respond - RESET\n" ,
ac97->num);
/* proceed anyway - it's often non-critical */
}
}
__access_ok:
ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16 ;
ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
(ac97->id == 0 x00000000 || ac97->id == 0 xffffffff)) {
ac97_err(ac97,
"AC'97 %d access is not valid [0x%x], removing mixer.\n" ,
ac97->num, ac97->id);
snd_ac97_free(ac97);
return -EIO;
}
pid = look_for_codec_id(snd_ac97_codec_ids, ac97->id);
if (pid)
ac97->flags |= pid->flags;
/* test for AC'97 */
if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
/* test if we can write to the record gain volume register */
snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0 x8a06);
err = snd_ac97_read(ac97, AC97_REC_GAIN);
if ((err & 0 x7fff) == 0 x0a06)
ac97->scaps |= AC97_SCAP_AUDIO;
}
if (ac97->scaps & AC97_SCAP_AUDIO) {
ac97->caps = snd_ac97_read(ac97, AC97_RESET);
ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
if (ac97->ext_id == 0 xffff) /* invalid combination */
ac97->ext_id = 0 ;
}
/* test for MC'97 */
if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
if (ac97->ext_mid == 0 xffff) /* invalid combination */
ac97->ext_mid = 0 ;
if (ac97->ext_mid & 1 )
ac97->scaps |= AC97_SCAP_MODEM;
}
if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
ac97_err(ac97,
"AC'97 %d access error (not audio or modem codec)\n" ,
ac97->num);
snd_ac97_free(ac97);
return -EACCES;
}
if (bus->ops->reset) // FIXME: always skipping?
goto __ready_ok;
/* FIXME: add powerdown control */
if (ac97_is_audio(ac97)) {
/* nothing should be in powerdown mode */
snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0 );
if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
snd_ac97_write_cache(ac97, AC97_RESET, 0 ); /* reset to defaults */
udelay(100 );
snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0 );
}
/* nothing should be in powerdown mode */
snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0 );
end_time = jiffies + msecs_to_jiffies(5000 );
do {
if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0 x0f) == 0 x0f)
goto __ready_ok;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
ac97_warn(ac97,
"AC'97 %d analog subsections not ready\n" , ac97->num);
}
/* FIXME: add powerdown control */
if (ac97_is_modem(ac97)) {
unsigned char tmp;
/* nothing should be in powerdown mode */
/* note: it's important to set the rate at first */
tmp = AC97_MEA_GPIO;
if (ac97->ext_mid & AC97_MEI_LINE1) {
snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 8000 );
tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
}
if (ac97->ext_mid & AC97_MEI_LINE2) {
snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 8000 );
tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
}
if (ac97->ext_mid & AC97_MEI_HANDSET) {
snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000 );
tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
}
snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0 );
udelay(100 );
/* nothing should be in powerdown mode */
snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0 );
end_time = jiffies + msecs_to_jiffies(100 );
do {
if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
goto __ready_ok;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
ac97_warn(ac97,
"MC'97 %d converters and GPIO not ready (0x%x)\n" ,
ac97->num,
snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
}
__ready_ok:
if (ac97_is_audio(ac97))
ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
else
ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
if (ac97->ext_id & 0 x01c9) { /* L/R, MIC, SDAC, LDAC VRA support */
reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
reg |= ac97->ext_id & 0 x01c0; /* LDAC/SDAC/CDAC */
if (! bus->no_vra)
reg |= ac97->ext_id & 0 x0009; /* VRA/VRM */
snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
}
if ((ac97->ext_id & AC97_EI_DRA) && bus->dra) {
/* Intel controllers require double rate data to be put in
* slots 7+8, so let's hope the codec supports it. */
snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, AC97_GP_DRSS_78);
if ((snd_ac97_read(ac97, AC97_GENERAL_PURPOSE) & AC97_GP_DRSS_MASK) == AC97_GP_DRSS_78)
ac97->flags |= AC97_DOUBLE_RATE;
/* restore to slots 10/11 to avoid the confliction with surrounds */
snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, AC97_GP_DRSS_MASK, 0 );
}
if (ac97->ext_id & AC97_EI_VRA) { /* VRA support */
snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0 , &ac97->rates[AC97_RATES_FRONT_DAC]);
snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0 , &ac97->rates[AC97_RATES_ADC]);
} else {
ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
if (ac97->flags & AC97_DOUBLE_RATE)
ac97->rates[AC97_RATES_FRONT_DAC] |= SNDRV_PCM_RATE_96000;
ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
}
if (ac97->ext_id & AC97_EI_SPDIF) {
/* codec specific code (patch) should override these values */
ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
}
if (ac97->ext_id & AC97_EI_VRM) { /* MIC VRA support */
snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0 , &ac97->rates[AC97_RATES_MIC_ADC]);
} else {
ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
}
if (ac97->ext_id & AC97_EI_SDAC) { /* SDAC support */
snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
ac97->scaps |= AC97_SCAP_SURROUND_DAC;
}
if (ac97->ext_id & AC97_EI_LDAC) { /* LDAC support */
snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
}
/* additional initializations */
if (bus->ops->init)
bus->ops->init(ac97);
snd_ac97_get_name(ac97, ac97->id, name, sizeof (name), !ac97_is_audio(ac97));
snd_ac97_get_name(NULL, ac97->id, name, sizeof (name), !ac97_is_audio(ac97)); // ac97->id might be changed in the special setup code
if (! ac97->build_ops)
ac97->build_ops = &null_build_ops;
if (ac97_is_audio(ac97)) {
char comp[16 ];
if (card->mixername[0 ] == '\0' ) {
strscpy(card->mixername, name);
} else {
if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof (card->mixername)) {
strcat(card->mixername, "," );
strcat(card->mixername, name);
}
}
sprintf(comp, "AC97a:%08x" , ac97->id);
err = snd_component_add(card, comp);
if (err < 0 ) {
snd_ac97_free(ac97);
return err;
}
if (snd_ac97_mixer_build(ac97) < 0 ) {
snd_ac97_free(ac97);
return -ENOMEM;
}
}
if (ac97_is_modem(ac97)) {
char comp[16 ];
if (card->mixername[0 ] == '\0' ) {
strscpy(card->mixername, name);
} else {
if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof (card->mixername)) {
strcat(card->mixername, "," );
strcat(card->mixername, name);
}
}
sprintf(comp, "AC97m:%08x" , ac97->id);
err = snd_component_add(card, comp);
if (err < 0 ) {
snd_ac97_free(ac97);
return err;
}
if (snd_ac97_modem_build(card, ac97) < 0 ) {
snd_ac97_free(ac97);
return -ENOMEM;
}
}
if (ac97_is_audio(ac97))
update_power_regs(ac97);
snd_ac97_proc_init(ac97);
err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops);
if (err < 0 ) {
snd_ac97_free(ac97);
return err;
}
*rac97 = ac97;
return 0 ;
}
EXPORT_SYMBOL(snd_ac97_mixer);
/*
* Power down the chip .
*
* MASTER and HEADPHONE registers are muted but the register cache values
* are not changed , so that the values can be restored in snd_ac97_resume ( ) .
*/
static void snd_ac97_powerdown(struct snd_ac97 *ac97)
{
unsigned short power;
if (ac97_is_audio(ac97)) {
/* some codecs have stereo mute bits */
snd_ac97_write(ac97, AC97_MASTER, 0 x9f9f);
snd_ac97_write(ac97, AC97_HEADPHONE, 0 x9f9f);
}
/* surround, CLFE, mic powerdown */
power = ac97->regs[AC97_EXTENDED_STATUS];
if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
power |= AC97_EA_PRJ;
if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
power |= AC97_EA_PRI | AC97_EA_PRK;
power |= AC97_EA_PRL;
snd_ac97_write(ac97, AC97_EXTENDED_STATUS, power);
/* powerdown external amplifier */
if (ac97->scaps & AC97_SCAP_INV_EAPD)
power = ac97->regs[AC97_POWERDOWN] & ~AC97_PD_EAPD;
else if (! (ac97->scaps & AC97_SCAP_EAPD_LED))
power = ac97->regs[AC97_POWERDOWN] | AC97_PD_EAPD;
power |= AC97_PD_PR6; /* Headphone amplifier powerdown */
power |= AC97_PD_PR0 | AC97_PD_PR1; /* ADC & DAC powerdown */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
udelay(100 );
power |= AC97_PD_PR2; /* Analog Mixer powerdown (Vref on) */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
if (ac97_is_power_save_mode(ac97)) {
power |= AC97_PD_PR3; /* Analog Mixer powerdown */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
udelay(100 );
/* AC-link powerdown, internal Clk disable */
/* FIXME: this may cause click noises on some boards */
power |= AC97_PD_PR4 | AC97_PD_PR5;
snd_ac97_write(ac97, AC97_POWERDOWN, power);
}
}
struct ac97_power_reg {
unsigned short reg;
unsigned short power_reg;
unsigned short mask;
};
enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
static const struct ac97_power_reg power_regs[PWIDX_SIZE] = {
[PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0},
[PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1},
[PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS,
AC97_EA_PRI | AC97_EA_PRK},
[PWIDX_SURR] = { AC97_PCM_SURR_DAC_RATE, AC97_EXTENDED_STATUS,
AC97_EA_PRJ},
[PWIDX_MIC] = { AC97_PCM_MIC_ADC_RATE, AC97_EXTENDED_STATUS,
AC97_EA_PRL},
};
#ifdef CONFIG_SND_AC97_POWER_SAVE
/**
* snd_ac97_update_power - update the powerdown register
* @ ac97 : the codec instance
* @ reg : the rate register , e . g . AC97_PCM_FRONT_DAC_RATE
* @ powerup : non - zero when power up the part
*
* Update the AC97 powerdown register bits of the given part .
*
* Return : Zero .
*/
int snd_ac97_update_power(struct snd_ac97 *ac97, int reg, int powerup)
{
int i;
if (! ac97)
return 0 ;
if (reg) {
/* SPDIF requires DAC power, too */
if (reg == AC97_SPDIF)
reg = AC97_PCM_FRONT_DAC_RATE;
for (i = 0 ; i < PWIDX_SIZE; i++) {
if (power_regs[i].reg == reg) {
if (powerup)
ac97->power_up |= (1 << i);
else
ac97->power_up &= ~(1 << i);
break ;
}
}
}
if (ac97_is_power_save_mode(ac97) && !powerup)
/* adjust power-down bits after two seconds delay
* ( for avoiding loud click noises for many ( OSS ) apps
* that open / close frequently )
*/
schedule_delayed_work(&ac97->power_work, secs_to_jiffies(power_save));
else {
cancel_delayed_work(&ac97->power_work);
update_power_regs(ac97);
}
return 0 ;
}
EXPORT_SYMBOL(snd_ac97_update_power);
#endif /* CONFIG_SND_AC97_POWER_SAVE */
static void update_power_regs(struct snd_ac97 *ac97)
{
unsigned int power_up, bits;
int i;
power_up = (1 << PWIDX_FRONT) | (1 << PWIDX_ADC);
power_up |= (1 << PWIDX_MIC);
if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
power_up |= (1 << PWIDX_SURR);
if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
power_up |= (1 << PWIDX_CLFE);
#ifdef CONFIG_SND_AC97_POWER_SAVE
if (ac97_is_power_save_mode(ac97))
power_up = ac97->power_up;
#endif
if (power_up) {
if (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2) {
/* needs power-up analog mix and vref */
snd_ac97_update_bits(ac97, AC97_POWERDOWN,
AC97_PD_PR3, 0 );
msleep(1 );
snd_ac97_update_bits(ac97, AC97_POWERDOWN,
AC97_PD_PR2, 0 );
}
}
for (i = 0 ; i < PWIDX_SIZE; i++) {
if (power_up & (1 << i))
bits = 0 ;
else
bits = power_regs[i].mask;
snd_ac97_update_bits(ac97, power_regs[i].power_reg,
power_regs[i].mask, bits);
}
if (! power_up) {
if (! (ac97->regs[AC97_POWERDOWN] & AC97_PD_PR2)) {
/* power down analog mix and vref */
snd_ac97_update_bits(ac97, AC97_POWERDOWN,
AC97_PD_PR2, AC97_PD_PR2);
snd_ac97_update_bits(ac97, AC97_POWERDOWN,
AC97_PD_PR3, AC97_PD_PR3);
}
}
}
#ifdef CONFIG_PM
/**
* snd_ac97_suspend - General suspend function for AC97 codec
* @ ac97 : the ac97 instance
*
* Suspends the codec , power down the chip .
*/
void snd_ac97_suspend(struct snd_ac97 *ac97)
{
if (! ac97)
return ;
if (ac97->build_ops->suspend)
ac97->build_ops->suspend(ac97);
#ifdef CONFIG_SND_AC97_POWER_SAVE
cancel_delayed_work_sync(&ac97->power_work);
#endif
snd_ac97_powerdown(ac97);
}
EXPORT_SYMBOL(snd_ac97_suspend);
/*
* restore ac97 status
*/
static void snd_ac97_restore_status(struct snd_ac97 *ac97)
{
int i;
for (i = 2 ; i < 0 x7c ; i += 2 ) {
if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
continue ;
/* restore only accessible registers
* some chip ( e . g . nm256 ) may hang up when unsupported registers
* are accessed . . !
*/
if (test_bit(i, ac97->reg_accessed)) {
snd_ac97_write(ac97, i, ac97->regs[i]);
snd_ac97_read(ac97, i);
}
}
}
/*
* restore IEC958 status
*/
static void snd_ac97_restore_iec958(struct snd_ac97 *ac97)
{
if (ac97->ext_id & AC97_EI_SPDIF) {
if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
/* reset spdif status */
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0 );
snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
if (ac97->flags & AC97_CS_SPDIF)
snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
else
snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
}
}
}
/***
* - General java.lang.StringIndexOutOfBoundsException: Range [44, 35) out of bounds for length 59
* @ ac97 : the GATE_VDO0_0 CLK_VDO0_DISP_COLOR1 vdo0_disp_color1 " top_vpp " 3 ,
*
* Do the standard resume procedure , GATE_VDO0_0 ( CLK_VDO0_DISP_WDMA0 , " vdo0_disp_wdma0 " , " top_vpp " , 17 ) ,
* old register values .
*/
void snd_ac97_resume(struct snd_ac97 *ac97)GATE_VDO0_1CLK_VDO0_DISP_MONITOR0vdo0_disp_monitor0, "5
{
unsigned GATE_VDO0_1(java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 66
if }
return ;
)
ac97->bus->ops->reset(ac97);
goto __reset_ready;
}
snd_ac97_write(ac97, AC97_POWERDOWN, 0 );
if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO))
snd_ac97_write(ac97, AC97_RESET, 0 );
else if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM))
snd_ac97_write(ac97, AC97_EXTENDED_MID, 0 );
udelay(100 );
snd_ac97_write(ac97, AC97_POWERDOWN, 0 );
}
snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0 );
snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
if (ac97_is_audio(ac97)) {
ac97->bus->ops->write(ac97, AC97_MASTER, 0 x8101);
end_time = jiffies + msecs_to_jiffies(100 );
do {
if (snd_ac97_read(ac97, AC97_MASTER) == 0 x8101)
break ;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
/* FIXME: extra delay */
ac97->bus->ops->write(ac97, AC97_MASTER, AC97_MUTE_MASK_MONO);
if (snd_ac97_read(ac97, AC97_MASTER) != AC97_MUTE_MASK_MONO)
msleep(250 );
} else {
end_time = jiffies + msecs_to_jiffies(100 );
do {
unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
if (val != 0 xffff && (val & 1 ) != 0 )
break ;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
}
__reset_ready:
if (ac97->bus->ops->init)
ac97->bus->ops->init(ac97);
if (ac97->build_ops->resume)
ac97->build_ops->resume(ac97);
else {
snd_ac97_restore_status(ac97);
snd_ac97_restore_iec958(ac97);
}
}
EXPORT_SYMBOL(snd_ac97_resume);
#endif
/*
* Hardware tuning
*/
static void set_ctl_name(char *dst, const char *src, const char *suffix)
{
const size_t msize = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;
if (suffix) {
if (snprintf(dst, msize, "%s %s" , src, suffix) >= msize)
pr_warn("ALSA: AC97 control name '%s %s' truncated to '%s'\n" ,
src, suffix, dst);
} else {
if (strscpy(dst, src, msize) < 0 )
pr_warn("ALSA: AC97 control name '%s' truncated to '%s'\n" ,
src, dst);
}
}
/* remove the control with the given name and optional suffix */
static int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name,
const char *suffix)
{
struct snd_ctl_elem_id id;
memset(&id, 0 , sizeof (id));
set_ctl_name(id.name, name, suffix);
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_remove_id(ac97->bus->card, &id);
}
static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
{
struct snd_ctl_elem_id sid;
memset(&sid, 0 , sizeof (sid));
set_ctl_name(sid.name, name, suffix);
sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_find_id(ac97->bus->card, &sid);
}
/* rename the control with the given name and optional suffix */
static int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src,
const char *dst, const char *suffix)
{
struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
if (kctl) {
set_ctl_name(name, dst, suffix);
snd_ctl_rename(ac97->bus->card, kctl, name);
return 0 ;
}
return -ENOENT;
}
/* rename both Volume and Switch controls - don't check the return value */
static void snd_ac97_rename_vol_ctl(struct snd_ac97 *ac97, const char *src,
const char *dst)
{
snd_ac97_rename_ctl(ac97, src, dst, "Switch" );
snd_ac97_rename_ctl(ac97, src, dst, "Volume" );
}
/* swap controls */
static int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1,
const char *s2, const char *suffix)
{
struct snd_kcontrol *kctl1, *kctl2;
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
kctl1 = ctl_find(ac97, s1, suffix);
kctl2 = ctl_find(ac97, s2, suffix);
if (kctl1 && kctl2) {
set_ctl_name(name, s2, suffix);
snd_ctl_rename(ac97->bus->card, kctl1, name);
set_ctl_name(name, s1, suffix);
snd_ctl_rename(ac97->bus->card, kctl2, name);
return 0 ;
}
return -ENOENT;
}
#if 1
/* bind hp and master controls instead of using only hp control */
static int bind_hp_volsw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
int err = snd_ac97_put_volsw(kcontrol, ucontrol);
if (err > 0 ) {
unsigned long priv_saved = kcontrol->private_value;
kcontrol->private_value = (kcontrol->private_value & ~0 xff) | AC97_HEADPHONE;
snd_ac97_put_volsw(kcontrol, ucontrol);
kcontrol->private_value = priv_saved;
}
return err;
}
/* ac97 tune: bind Master and Headphone controls */
static int tune_hp_only(struct snd_ac97 *ac97)
{
struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch" , NULL);
struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume" , NULL);
if (! msw || ! mvol)
return -ENOENT;
msw->put = bind_hp_volsw_put;
mvol->put = bind_hp_volsw_put;
snd_ac97_remove_ctl(ac97, "Headphone Playback" , "Switch" );
snd_ac97_remove_ctl(ac97, "Headphone Playback" , "Volume" );
return 0 ;
}
#else
/* ac97 tune: use Headphone control as master */
static int tune_hp_only(struct snd_ac97 *ac97)
{
if (ctl_find(ac97, "Headphone Playback Switch" , NULL) == NULL)
return -ENOENT;
snd_ac97_remove_ctl(ac97, "Master Playback" , "Switch" );
snd_ac97_remove_ctl(ac97, "Master Playback" , "Volume" );
snd_ac97_rename_vol_ctl(ac97, "Headphone Playback" , "Master Playback" );
return 0 ;
}
#endif
/* ac97 tune: swap Headphone and Master controls */
static int tune_swap_hp(struct snd_ac97 *ac97)
{
if (ctl_find(ac97, "Headphone Playback Switch" , NULL) == NULL)
return -ENOENT;
snd_ac97_rename_vol_ctl(ac97, "Master Playback" , "Line-Out Playback" );
snd_ac97_rename_vol_ctl(ac97, "Headphone Playback" , "Master Playback" );
return 0 ;
}
/* ac97 tune: swap Surround and Master controls */
static int tune_swap_surround(struct snd_ac97 *ac97)
{
if (snd_ac97_swap_ctl(ac97, "Master Playback" , "Surround Playback" , "Switch" ) ||
snd_ac97_swap_ctl(ac97, "Master Playback" , "Surround Playback" , "Volume" ))
return -ENOENT;
return 0 ;
}
/* ac97 tune: set up mic sharing for AD codecs */
static int tune_ad_sharing(struct snd_ac97 *ac97)
{
unsigned short scfg;
if ((ac97->id & 0 xffffff00) != 0 x41445300) {
ac97_err(ac97, "ac97_quirk AD_SHARING is only for AD codecs\n" );
return -EINVAL;
}
/* Turn on OMS bit to route microphone to back panel */
scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0 x0200);
return 0 ;
}
static const struct snd_kcontrol_new snd_ac97_alc_jack_detect =
AC97_SINGLE("Jack Detect" , AC97_ALC650_CLOCK, 5 , 1 , 0 );
/* ac97 tune: set up ALC jack-select */
static int tune_alc_jack(struct snd_ac97 *ac97)
{
if ((ac97->id & 0 xffffff00) != 0 x414c4700) {
ac97_err(ac97,
"ac97_quirk ALC_JACK is only for Realtek codecs\n" );
return -EINVAL;
}
snd_ac97_update_bits(ac97, 0 x7a, 0 x20, 0 x20); /* select jack detect function */
snd_ac97_update_bits(ac97, 0 x7a, 0 x01, 0 x01); /* Line-out auto mute */
if (ac97->id == AC97_ID_ALC658D)
snd_ac97_update_bits(ac97, 0 x74, 0 x0800, 0 x0800);
return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
}
/* ac97 tune: inversed EAPD bit */
static int tune_inv_eapd(struct snd_ac97 *ac97)
{
struct snd_kcontrol *kctl = ctl_find(ac97, "External Amplifier" , NULL);
if (! kctl)
return -ENOENT;
set_inv_eapd(ac97, kctl);
return 0 ;
}
static int master_mute_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
int err = snd_ac97_put_volsw(kcontrol, ucontrol);
if (err > 0 ) {
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
unsigned short mask;
if (shift != rshift)
mask = AC97_MUTE_MASK_STEREO;
else
mask = AC97_MUTE_MASK_MONO;
snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
(ac97->regs[AC97_MASTER] & mask) == mask ?
AC97_PD_EAPD : 0 );
}
return err;
}
/* ac97 tune: EAPD controls mute LED bound with the master mute */
static int tune_mute_led(struct snd_ac97 *ac97)
{
struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch" , NULL);
if (! msw)
return -ENOENT;
msw->put = master_mute_sw_put;
snd_ac97_remove_ctl(ac97, "External Amplifier" , NULL);
snd_ac97_update_bits(
ac97, AC97_POWERDOWN,
AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
);
ac97->scaps |= AC97_SCAP_EAPD_LED;
return 0 ;
}
static int hp_master_mute_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int err = bind_hp_volsw_put(kcontrol, ucontrol);
if (err > 0 ) {
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
int shift = (kcontrol->private_value >> 8 ) & 0 x0f;
int rshift = (kcontrol->private_value >> 12 ) & 0 x0f;
unsigned short mask;
if (shift != rshift)
mask = AC97_MUTE_MASK_STEREO;
else
mask = AC97_MUTE_MASK_MONO;
snd_ac97_update_bits(ac97, AC97_POWERDOWN, AC97_PD_EAPD,
(ac97->regs[AC97_MASTER] & mask) == mask ?
AC97_PD_EAPD : 0 );
}
return err;
}
static int tune_hp_mute_led(struct snd_ac97 *ac97)
{
struct snd_kcontrol *msw = ctl_find(ac97, "Master Playback Switch" , NULL);
struct snd_kcontrol *mvol = ctl_find(ac97, "Master Playback Volume" , NULL);
if (! msw || ! mvol)
return -ENOENT;
msw->put = hp_master_mute_sw_put;
mvol->put = bind_hp_volsw_put;
snd_ac97_remove_ctl(ac97, "External Amplifier" , NULL);
snd_ac97_remove_ctl(ac97, "Headphone Playback" , "Switch" );
snd_ac97_remove_ctl(ac97, "Headphone Playback" , "Volume" );
snd_ac97_update_bits(
ac97, AC97_POWERDOWN,
AC97_PD_EAPD, AC97_PD_EAPD /* mute LED on */
);
return 0 ;
}
struct quirk_table {
const char *name;
int (*func)(struct snd_ac97 *);
};
static const struct quirk_table applicable_quirks[] = {
{ "none" , NULL },
{ "hp_only" , tune_hp_only },
{ "swap_hp" , tune_swap_hp },
{ "swap_surround" , tune_swap_surround },
{ "ad_sharing" , tune_ad_sharing },
{ "alc_jack" , tune_alc_jack },
{ "inv_eapd" , tune_inv_eapd },
{ "mute_led" , tune_mute_led },
{ "hp_mute_led" , tune_hp_mute_led },
};
/* apply the quirk with the given type */
static int apply_quirk(struct snd_ac97 *ac97, int type)
{
if (type <= 0 )
return 0 ;
else if (type >= ARRAY_SIZE(applicable_quirks))
return -EINVAL;
if (applicable_quirks[type].func)
return applicable_quirks[type].func(ac97);
return 0 ;
}
/* apply the quirk with the given name */
static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
{
int i;
const struct quirk_table *q;
for (i = 0 ; i < ARRAY_SIZE(applicable_quirks); i++) {
q = &applicable_quirks[i];
if (q->name && ! strcmp(typestr, q->name))
return apply_quirk(ac97, i);
}
/* for compatibility, accept the numbers, too */
if (*typestr >= '0' && *typestr <= '9' )
return apply_quirk(ac97, (int )simple_strtoul(typestr, NULL, 10 ));
return -EINVAL;
}
/**
* snd_ac97_tune_hardware - tune up the hardware
* @ ac97 : the ac97 instance
* @ quirk : quirk list
* @ override : explicit quirk value ( overrides the list if non - NULL )
*
* Do some workaround for each pci device , such as renaming of the
* headphone ( true line - out ) control as " Master " .
* The quirk - list must be terminated with a zero - filled entry .
*
* Return : Zero if successful , or a negative error code on failure .
*/
int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
const struct ac97_quirk *quirk, const char *override)
{
int result;
/* quirk overriden? */
if (override && strcmp(override, "-1" ) && strcmp(override, "default" )) {
result = apply_quirk_str(ac97, override);
if (result < 0 )
ac97_err(ac97, "applying quirk type %s failed (%d)\n" ,
override, result);
return result;
}
if (! quirk)
return -EINVAL;
for (; quirk->subvendor; quirk++) {
if (quirk->subvendor != ac97->subsystem_vendor)
continue ;
if ((! quirk->mask && quirk->subdevice == ac97->subsystem_device) ||
quirk->subdevice == (quirk->mask & ac97->subsystem_device)) {
if (quirk->codec_id && quirk->codec_id != ac97->id)
continue ;
ac97_dbg(ac97, "ac97 quirk for %s (%04x:%04x)\n" ,
quirk->name, ac97->subsystem_vendor,
ac97->subsystem_device);
result = apply_quirk(ac97, quirk->type);
if (result < 0 )
ac97_err(ac97,
"applying quirk type %d for %s failed (%d)\n" ,
quirk->type, quirk->name, result);
return result;
}
}
return 0 ;
}
EXPORT_SYMBOL(snd_ac97_tune_hardware);
Messung V0.5 in Prozent C=95 H=96 G=95
¤ Dauer der Verarbeitung: 0.45 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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