/*
* Copyright (c) by Jaroslav Kysela <perex@suse.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).
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/asoundef.h>
#include <sound/initval.h>
#include "ac97_local.h"
#include "ac97_id.h"
#include "ac97_patch.h"
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
MODULE_LICENSE("GPL");
static int enable_loopback;
module_param(enable_loopback, bool, 0444);
MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
MODULE_PARM_SYNTAX(enable_loopback, SNDRV_BOOLEAN_FALSE_DESC);
#define chip_t ac97_t
/*
*/
typedef struct {
unsigned int id;
unsigned int mask;
const char *name;
int (*patch)(ac97_t *ac97);
int (*mpatch)(ac97_t *ac97);
} ac97_codec_id_t;
static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL },
{ 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL },
{ 0x414c4300, 0xffffff00, "Realtek", NULL, NULL },
{ 0x414c4700, 0xffffff00, "Realtek", NULL, NULL },
{ 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL },
{ 0x43525900, 0xffffff00, "Cirrus Logic", NULL, NULL },
{ 0x43585400, 0xffffff00, "Conexant", NULL, NULL },
{ 0x44543000, 0xffffff00, "Diamond Technology", NULL, NULL },
{ 0x454d4300, 0xffffff00, "eMicro", NULL, NULL },
{ 0x45838300, 0xffffff00, "ESS Technology", NULL, NULL },
{ 0x48525300, 0xffffff00, "Intersil", NULL, NULL },
{ 0x49434500, 0xffffff00, "ICEnsemble", NULL, NULL },
{ 0x49544500, 0xffffff00, "ITE Tech.Inc", NULL, NULL },
{ 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
{ 0x50534300, 0xffffff00, "Philips", NULL, NULL },
{ 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL, NULL },
{ 0x54524100, 0xffffff00, "TriTech", NULL, NULL },
{ 0x54584e00, 0xffffff00, "Texas Instruments", NULL, NULL },
{ 0x56494100, 0xffffff00, "VIA Technologies", NULL, NULL },
{ 0x57454300, 0xffffff00, "Winbond", NULL, NULL },
{ 0x574d4c00, 0xffffff00, "Wolfson", NULL, NULL },
{ 0x594d4800, 0xffffff00, "Yamaha", NULL, NULL },
{ 0x83847600, 0xffffff00, "SigmaTel", NULL, NULL },
{ 0, 0, NULL, NULL, NULL }
};
static const ac97_codec_id_t snd_ac97_codec_ids[] = {
{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL },
{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL },
{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL },
{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL },
{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL },
{ 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL },
{ 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL },
{ 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL },
{ 0x41445360, 0xffffffff, "AD1885", patch_ad1885, NULL },
{ 0x41445361, 0xffffffff, "AD1886", patch_ad1886, NULL },
{ 0x41445362, 0xffffffff, "AD1887", patch_ad1881, NULL },
{ 0x41445363, 0xffffffff, "AD1886A", patch_ad1881, NULL },
{ 0x41445368, 0xffffffff, "AD1888", patch_ad1888, NULL },
{ 0x41445370, 0xffffffff, "AD1980", patch_ad1980, NULL },
{ 0x41445372, 0xffffffff, "AD1981A", patch_ad1981a, NULL },
{ 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL },
{ 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL },
{ 0x414c4300, 0xffffff00, "ALC100/100P", NULL, NULL },
{ 0x414c4710, 0xfffffff0, "ALC200/200P", NULL, NULL },
{ 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL },
{ 0x414c4721, 0xfffffff0, "ALC650D", patch_alc650, NULL },
{ 0x414c4722, 0xfffffff0, "ALC650E", patch_alc650, NULL },
{ 0x414c4723, 0xfffffff0, "ALC650F", patch_alc650, NULL },
{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
{ 0x414c4730, 0xffffffff, "ALC101", NULL, NULL },
{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
{ 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL },
{ 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL },
{ 0x43525900, 0xfffffff8, "CS4297", NULL, NULL },
{ 0x43525910, 0xfffffff8, "CS4297A", patch_cirrus_spdif, NULL },
{ 0x43525920, 0xfffffff8, "CS4294/4298", NULL, NULL },
{ 0x43525928, 0xfffffff8, "CS4294", NULL, NULL },
{ 0x43525930, 0xfffffff8, "CS4299", patch_cirrus_cs4299, NULL },
{ 0x43525948, 0xfffffff8, "CS4201", NULL, NULL },
{ 0x43525958, 0xfffffff8, "CS4205", patch_cirrus_spdif, NULL },
{ 0x43525960, 0xfffffff8, "CS4291", NULL, NULL },
{ 0x43525970, 0xfffffff8, "CS4202", NULL, NULL },
{ 0x43585421, 0xffffffff, "HSD11246", NULL, NULL }, // SmartMC II
{ 0x43585428, 0xfffffff8, "Cx20468", patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
{ 0x44543031, 0xfffffff0, "DT0398", NULL, NULL },
{ 0x454d4328, 0xffffffff, "28028", NULL, NULL }, // same as TR28028?
{ 0x45838308, 0xffffffff, "ESS1988", NULL, NULL },
{ 0x48525300, 0xffffff00, "HMP9701", NULL, NULL },
{ 0x49434501, 0xffffffff, "ICE1230", NULL, NULL },
{ 0x49434511, 0xffffffff, "ICE1232", NULL, NULL }, // alias VIA VT1611A?
{ 0x49434514, 0xffffffff, "ICE1232A", NULL, NULL },
{ 0x49434551, 0xffffffff, "VT1616", patch_vt1616, NULL },
{ 0x49434552, 0xffffffff, "VT1616i", patch_vt1616, NULL }, // VT1616 compatible (chipset integrated)
{ 0x49544520, 0xffffffff, "IT2226E", NULL, NULL },
{ 0x49544561, 0xffffffff, "IT2646E", patch_it2646, NULL },
{ 0x4e534300, 0xffffffff, "LM4540/43/45/46/48", NULL, NULL }, // only guess --jk
{ 0x4e534331, 0xffffffff, "LM4549", NULL, NULL },
{ 0x4e534350, 0xffffffff, "LM4550", NULL, NULL },
{ 0x50534304, 0xffffffff, "UCB1400", NULL, NULL },
{ 0x53494c20, 0xffffffe0, "Si3036/8", NULL, mpatch_si3036 },
{ 0x54524102, 0xffffffff, "TR28022", NULL, NULL },
{ 0x54524106, 0xffffffff, "TR28026", NULL, NULL },
{ 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99]
{ 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
{ 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL },
{ 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF
{ 0x57454301, 0xffffffff, "W83971D", NULL, NULL },
{ 0x574d4c00, 0xffffffff, "WM9701A", NULL, NULL },
{ 0x574d4C03, 0xffffffff, "WM9703/WM9707/WM9708/WM9717", patch_wolfson03, NULL},
{ 0x574d4C04, 0xffffffff, "WM9704M/WM9704Q", patch_wolfson04, NULL},
{ 0x574d4C05, 0xffffffff, "WM9705/WM9710", patch_wolfson05, NULL},
{ 0x574d4C09, 0xffffffff, "WM9709", NULL, NULL},
{ 0x574d4C12, 0xffffffff, "WM9711/WM9712", patch_wolfson11, NULL},
{ 0x594d4800, 0xffffffff, "YMF743", NULL, NULL },
{ 0x594d4802, 0xffffffff, "YMF752", NULL, NULL },
{ 0x594d4803, 0xffffffff, "YMF753", patch_yamaha_ymf753, NULL },
{ 0x83847600, 0xffffffff, "STAC9700/83/84", patch_sigmatel_stac9700, NULL },
{ 0x83847604, 0xffffffff, "STAC9701/3/4/5", NULL, NULL },
{ 0x83847605, 0xffffffff, "STAC9704", NULL, NULL },
{ 0x83847608, 0xffffffff, "STAC9708/11", patch_sigmatel_stac9708, NULL },
{ 0x83847609, 0xffffffff, "STAC9721/23", patch_sigmatel_stac9721, NULL },
{ 0x83847644, 0xffffffff, "STAC9744", patch_sigmatel_stac9744, NULL },
{ 0x83847650, 0xffffffff, "STAC9750/51", NULL, NULL }, // patch?
{ 0x83847652, 0xffffffff, "STAC9752/53", NULL, NULL }, // patch?
{ 0x83847656, 0xffffffff, "STAC9756/57", patch_sigmatel_stac9756, NULL },
{ 0x83847658, 0xffffffff, "STAC9758/59", patch_sigmatel_stac9758, NULL },
{ 0x83847666, 0xffffffff, "STAC9766/67", NULL, NULL }, // patch?
{ 0, 0, NULL, NULL, NULL }
};
const char *snd_ac97_stereo_enhancements[] =
{
/* 0 */ "No 3D Stereo Enhancement",
/* 1 */ "Analog Devices Phat Stereo",
/* 2 */ "Creative Stereo Enhancement",
/* 3 */ "National Semi 3D Stereo Enhancement",
/* 4 */ "YAMAHA Ymersion",
/* 5 */ "BBE 3D Stereo Enhancement",
/* 6 */ "Crystal Semi 3D Stereo Enhancement",
/* 7 */ "Qsound QXpander",
/* 8 */ "Spatializer 3D Stereo Enhancement",
/* 9 */ "SRS 3D Stereo Enhancement",
/* 10 */ "Platform Tech 3D Stereo Enhancement",
/* 11 */ "AKM 3D Audio",
/* 12 */ "Aureal Stereo Enhancement",
/* 13 */ "Aztech 3D Enhancement",
/* 14 */ "Binaura 3D Audio Enhancement",
/* 15 */ "ESS Technology Stereo Enhancement",
/* 16 */ "Harman International VMAx",
/* 17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
/* 18 */ "Philips Incredible Sound",
/* 19 */ "Texas Instruments 3D Stereo Enhancement",
/* 20 */ "VLSI Technology 3D Stereo Enhancement",
/* 21 */ "TriTech 3D Stereo Enhancement",
/* 22 */ "Realtek 3D Stereo Enhancement",
/* 23 */ "Samsung 3D Stereo Enhancement",
/* 24 */ "Wolfson Microelectronics 3D Enhancement",
/* 25 */ "Delta Integration 3D Enhancement",
/* 26 */ "SigmaTel 3D Enhancement",
/* 27 */ "IC Ensemble/KS Waves",
/* 28 */ "Rockwell 3D Stereo Enhancement",
/* 29 */ "Reserved 29",
/* 30 */ "Reserved 30",
/* 31 */ "Reserved 31"
};
/*
* I/O routines
*/
static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
{
if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
return 0;
/* filter some registers for buggy codecs */
switch (ac97->id) {
case AC97_ID_AK4540:
case AC97_ID_AK4542:
if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
return 1;
return 0;
case AC97_ID_AD1819: /* AD1819 */
case AC97_ID_AD1881: /* AD1881 */
case AC97_ID_AD1881A: /* AD1881A */
if (reg >= 0x3a && reg <= 0x6e) /* 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 == 0x5a)
return 1;
if (reg >= 0x3c && reg <= 0x6e) /* 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 <= 0x3a || reg >= 0x5a)
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(ac97_t *ac97, unsigned short reg, unsigned short value)
{
if (!snd_ac97_valid_reg(ac97, reg))
return;
if ((ac97->id & 0xffffff00) == 0x414c4300) {
/* Fix H/W bug of ALC100/100P */
if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
ac97->bus->write(ac97, AC97_RESET, 0); /* reset audio codec */
}
ac97->bus->write(ac97, reg, value);
}
/**
* 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.
*
* Returns the read value.
*/
unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
{
if (!snd_ac97_valid_reg(ac97, reg))
return 0;
return ac97->bus->read(ac97, reg);
}
/* read a register - return the cached value if already read */
static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
{
if (! test_bit(reg, ac97->reg_accessed)) {
ac97->regs[reg] = ac97->bus->read(ac97, reg);
// set_bit(reg, ac97->reg_accessed);
}
return ac97->regs[reg];
}
/**
* 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(ac97_t *ac97, unsigned short reg, unsigned short value)
{
if (!snd_ac97_valid_reg(ac97, reg))
return;
spin_lock(&ac97->reg_lock);
ac97->regs[reg] = value;
spin_unlock(&ac97->reg_lock);
ac97->bus->write(ac97, reg, value);
set_bit(reg, ac97->reg_accessed);
}
/**
* 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.
*
* Returns 1 if the value is changed, 0 if no change, or a negative
* code on failure.
*/
int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
{
int change;
if (!snd_ac97_valid_reg(ac97, reg))
return -EINVAL;
spin_lock(&ac97->reg_lock);
change = ac97->regs[reg] != value;
if (change) {
ac97->regs[reg] = value;
spin_unlock(&ac97->reg_lock);
ac97->bus->write(ac97, reg, value);
} else
spin_unlock(&ac97->reg_lock);
return change;
}
/**
* 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.
*
* Returns 1 if the bits are changed, 0 if no change, or a negative
* code on failure.
*/
int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
{
int change;
unsigned short old, new;
if (!snd_ac97_valid_reg(ac97, reg))
return -EINVAL;
spin_lock(&ac97->reg_lock);
old = snd_ac97_read_cache(ac97, reg);
new = (old & ~mask) | value;
change = old != new;
if (change) {
ac97->regs[reg] = new;
spin_unlock(&ac97->reg_lock);
ac97->bus->write(ac97, reg, new);
} else
spin_unlock(&ac97->reg_lock);
return change;
}
static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
{
int change;
unsigned short old, new, cfg;
down(&ac97->spec.ad18xx.mutex);
spin_lock(&ac97->reg_lock);
old = ac97->spec.ad18xx.pcmreg[codec];
new = (old & ~mask) | value;
cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
change = old != new;
if (change) {
ac97->spec.ad18xx.pcmreg[codec] = new;
spin_unlock(&ac97->reg_lock);
/* select single codec */
ac97->bus->write(ac97, AC97_AD_SERIAL_CFG,
(cfg & ~0x7000) |
ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
/* update PCM bits */
ac97->bus->write(ac97, AC97_PCM, new);
/* select all codecs */
ac97->bus->write(ac97, AC97_AD_SERIAL_CFG,
cfg | 0x7000);
} else
spin_unlock(&ac97->reg_lock);
up(&ac97->spec.ad18xx.mutex);
return change;
}
/*
*
*/
static int snd_ac97_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[8] = {
"Mic", "CD", "Video", "Aux", "Line",
"Mix", "Mix Mono", "Phone"
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 2;
uinfo->value.enumerated.items = 8;
if (uinfo->value.enumerated.item > 7)
uinfo->value.enumerated.item = 7;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = snd_ac97_read_cache(ac97, AC97_REC_SEL);
ucontrol->value.enumerated.item[0] = (val >> 8) & 7;
ucontrol->value.enumerated.item[1] = (val >> 0) & 7;
return 0;
}
static int snd_ac97_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
if (ucontrol->value.enumerated.item[0] > 7 ||
ucontrol->value.enumerated.item[1] > 7)
return -EINVAL;
val = (ucontrol->value.enumerated.item[0] << 8) |
(ucontrol->value.enumerated.item[1] << 0);
return snd_ac97_update(ac97, AC97_REC_SEL, val);
}
#define AC97_ENUM_DOUBLE(xname, reg, shift, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_enum_double, \
.get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
.private_value = reg | (shift << 8) | (invert << 24) }
static int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts1[2] = { "pre 3D", "post 3D" };
static char *texts2[2] = { "Mix", "Mic" };
static char *texts3[2] = { "Mic1", "Mic2" };
char **texts = NULL;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
switch (reg) {
case AC97_GENERAL_PURPOSE:
switch (shift) {
case 15: texts = texts1; break;
case 9: texts = texts2; break;
case 8: texts = texts3; break;
}
}
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 2;
if (uinfo->value.enumerated.item > 1)
uinfo->value.enumerated.item = 1;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
val = (snd_ac97_read_cache(ac97, reg) >> shift) & 1;
if (invert)
val ^= 1;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
if (ucontrol->value.enumerated.item[0] > 1)
return -EINVAL;
val = !!ucontrol->value.enumerated.item[0];
if (invert)
val = !val;
return snd_ac97_update_bits(ac97, reg, 1 << shift, val << shift);
}
int snd_ac97_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
int mask = (kcontrol->private_value >> 16) & 0xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
int snd_ac97_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
if (invert)
ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
return 0;
}
int snd_ac97_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short val;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = mask - val;
return snd_ac97_update_bits(ac97, reg, mask << shift, val << shift);
}
#define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_ac97_info_double, \
.get = snd_ac97_get_double, .put = snd_ac97_put_double, \
.private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
static int snd_ac97_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
int mask = (kcontrol->private_value >> 16) & 0xff;
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
static int snd_ac97_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
spin_lock(&ac97->reg_lock);
ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift_left) & mask;
ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> shift_right) & mask;
spin_unlock(&ac97->reg_lock);
if (invert) {
ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
}
return 0;
}
static int snd_ac97_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift_left = (kcontrol->private_value >> 8) & 0x0f;
int shift_right = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short val1, val2;
val1 = ucontrol->value.integer.value[0] & mask;
val2 = ucontrol->value.integer.value[1] & mask;
if (invert) {
val1 = mask - val1;
val2 = mask - val2;
}
return snd_ac97_update_bits(ac97, reg,
(mask << shift_left) | (mask << shift_right),
(val1 << shift_left) | (val2 << shift_right));
}
static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
};
static const snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
};
static const snd_kcontrol_new_t snd_ac97_controls_phone[2] = {
AC97_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
AC97_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 15, 1)
};
static const snd_kcontrol_new_t snd_ac97_controls_mic[3] = {
AC97_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
AC97_SINGLE("Mic Playback Volume", AC97_MIC, 0, 15, 1),
AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0)
};
static const snd_kcontrol_new_t snd_ac97_control_capture_src = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = snd_ac97_info_mux,
.get = snd_ac97_get_mux,
.put = snd_ac97_put_mux,
};
static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
static const snd_kcontrol_new_t 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)
};
typedef 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
} ac97_general_index_t;
static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
AC97_ENUM_DOUBLE("PCM Out Path & Mute", AC97_GENERAL_PURPOSE, 15, 0),
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_DOUBLE("Mono Output Select", AC97_GENERAL_PURPOSE, 9, 0),
AC97_ENUM_DOUBLE("Mic Select", AC97_GENERAL_PURPOSE, 8, 0),
AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
};
const snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t snd_ac97_controls_surround[2] = {
AC97_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
AC97_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
};
static const snd_kcontrol_new_t snd_ac97_control_eapd =
AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
spin_lock(&ac97->reg_lock);
ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
spin_unlock(&ac97->reg_lock);
return 0;
}
static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned int new = 0;
unsigned short val = 0;
int change;
spin_lock(&ac97->reg_lock);
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) & 0xff) << 4; // category + original
switch ((new >> 24) & 0xff) {
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;
}
}
change = ac97->spdif_status != new;
ac97->spdif_status = new;
spin_unlock(&ac97->reg_lock);
if (ac97->flags & AC97_CS_SPDIF) {
int x = (val >> 12) & 0x03;
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(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (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(ac97, AC97_CXR_AUDIO_MISC,
AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
v);
} else {
unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
change |= snd_ac97_update_bits(ac97, AC97_SPDIF, 0x3fff, val);
if (extst & AC97_EA_SPDIF) {
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
}
}
return change;
}
static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int reg = kcontrol->private_value & 0xff;
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
// int invert = (kcontrol->private_value >> 24) & 0xff;
unsigned short value, old, new;
value = (ucontrol->value.integer.value[0] & mask);
mask <<= shift;
value <<= shift;
spin_lock(&ac97->reg_lock);
old = snd_ac97_read_cache(ac97, reg);
new = (old & ~mask) | value;
spin_unlock(&ac97->reg_lock);
if (old != new) {
int change;
unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
change = snd_ac97_update_bits(ac97, reg, mask, value);
if (extst & AC97_EA_SPDIF)
snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
return change;
}
return 0;
}
const snd_kcontrol_new_t 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_single,
.get = snd_ac97_get_single,
.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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int mask = (kcontrol->private_value >> 16) & 0x0f;
int lshift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3;
int lshift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3;
int lshift = (kcontrol->private_value >> 8) & 0x0f;
int rshift = (kcontrol->private_value >> 12) & 0x0f;
int mask = (kcontrol->private_value >> 16) & 0xff;
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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * 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(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->private_value & 3;
spin_lock(&ac97->reg_lock);
ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
spin_unlock(&ac97->reg_lock);
return 0;
}
static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *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, 0x1f1f, (val1 << 8) | val2);
}
static const snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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 snd_kcontrol_new_t 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(ac97_t *ac97);
static int snd_ac97_bus_free(ac97_bus_t *bus)
{
if (bus) {
snd_ac97_bus_proc_done(bus);
if (bus->pcms)
kfree(bus->pcms);
if (bus->private_free)
bus->private_free(bus);
snd_magic_kfree(bus);
}
return 0;
}
static int snd_ac97_bus_dev_free(snd_device_t *device)
{
ac97_bus_t *bus = snd_magic_cast(ac97_bus_t, device->device_data, return -ENXIO);
return snd_ac97_bus_free(bus);
}
static int snd_ac97_free(ac97_t *ac97)
{
if (ac97) {
snd_ac97_proc_done(ac97);
if (ac97->bus)
ac97->bus->codec[ac97->num] = NULL;
if (ac97->private_free)
ac97->private_free(ac97);
snd_magic_kfree(ac97);
}
return 0;
}
static int snd_ac97_dev_free(snd_device_t *device)
{
ac97_t *ac97 = snd_magic_cast(ac97_t, device->device_data, return -ENXIO);
snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
return snd_ac97_free(ac97);
}
static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
{
unsigned short val, mask = 0x8000;
if (! snd_ac97_valid_reg(ac97, reg))
return 0;
switch (reg) {
case AC97_MASTER_TONE:
return ac97->caps & 0x04 ? 1 : 0;
case AC97_HEADPHONE:
return ac97->caps & 0x10 ? 1 : 0;
case AC97_REC_GAIN_MIC:
return ac97->caps & 0x01 ? 1 : 0;
case AC97_3D_CONTROL:
if (ac97->caps & 0x7c00) {
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 = 0x0080;
break;
case AC97_SURROUND_MASTER:
if ((ac97->ext_id & AC97_EI_SDAC) == 0)
return 0;
break;
}
if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
return 1; /* allow without check */
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);
if (!(val & mask))
return 0; /* nothing here */
}
return 1; /* success, useable */
}
int snd_ac97_try_bit(ac97_t * 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;
}
static void snd_ac97_change_volume_params1(ac97_t * ac97, int reg, unsigned char *max)
{
unsigned short val, val1;
*max = 63;
val = 0x8000 | 0x0020;
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, 0x8000);
}
static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
{
unsigned short val, val1;
*max = 63;
val = 0x8080 | (0x20 << 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, 0x8080);
}
static void snd_ac97_change_volume_params3(ac97_t * ac97, int reg, unsigned char *max)
{
unsigned short val, val1;
*max = 31;
val = 0x8000 | 0x0010;
snd_ac97_write(ac97, reg, val);
val1 = snd_ac97_read(ac97, reg);
if (val != val1) {
*max = 15;
}
/* reset volume to zero */
snd_ac97_write_cache(ac97, reg, 0x8000);
}
static inline int printable(unsigned int x)
{
x &= 0xff;
if (x < ' ' || x >= 0x71) {
if (x <= 0x89)
return x - 0x71 + 'A';
return '?';
}
return x;
}
snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
{
snd_kcontrol_new_t template;
memcpy(&template, _template, sizeof(template));
snd_runtime_check(!template.index, return NULL);
template.index = ac97->num;
return snd_ctl_new1(&template, ac97);
}
/*
* create mute switch(es) for normal stereo controls
*/
static int snd_ac97_cmute_new(snd_card_t *card, char *name, int reg, ac97_t *ac97)
{
snd_kcontrol_t *kctl;
int stereo = 0;
if (ac97->flags & AC97_STEREO_MUTES) {
/* check whether both mute bits work */
unsigned short val, val1;
val = snd_ac97_read(ac97, reg);
val1 = val | 0x8080;
snd_ac97_write(ac97, reg, val1);
if (val1 == snd_ac97_read(ac97, reg))
stereo = 1;
snd_ac97_write(ac97, reg, val);
}
if (stereo) {
snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
} else {
snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
tmp.index = ac97->num;
kctl = snd_ctl_new1(&tmp, ac97);
}
return snd_ctl_add(card, kctl);
}
/*
* create volumes for normal stereo controls
*/
static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int max, ac97_t *ac97)
{
int err;
snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, (unsigned int)max, 1);
tmp.index = ac97->num;
if ((err = snd_ctl_add(card, snd_ctl_new1(&tmp, ac97))) < 0)
return err;
snd_ac97_write_cache(ac97, reg,
((ac97->flags & AC97_STEREO_MUTES) ? 0x8080 : 0x8000) |
(unsigned short)max | ((unsigned short)max << 8));
return 0;
}
/*
* create mute-switch and volumes for normal stereo controls
*/
static int snd_ac97_cmix_new(snd_card_t *card, const char *pfx, int reg, int check_res, ac97_t *ac97)
{
int err;
char name[44];
unsigned char max;
sprintf(name, "%s Switch", pfx);
if ((err = snd_ac97_cmute_new(card, name, reg, ac97)) < 0)
return err;
sprintf(name, "%s Volume", pfx);
if (check_res)
snd_ac97_change_volume_params1(ac97, reg, &max);
else
max = 31; /* 5bit */
if ((err = snd_ac97_cvol_new(card, name, reg, max, ac97)) < 0)
return err;
return 0;
}
static int snd_ac97_mixer_build(ac97_t * ac97)
{
snd_card_t *card = ac97->bus->card;
snd_kcontrol_t *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 ((err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, 1, ac97)) < 0)
return err;
}
ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
/* build center controls */
if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
return err;
snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
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)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
return err;
snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
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)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_surround[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_surround[1], ac97))) < 0)
return err;
snd_ac97_change_volume_params2(ac97, AC97_SURROUND_MASTER, 0, &max);
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x8080 | max | (max << 8));
}
/* build headphone controls */
if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE) || ac97->id == AC97_ID_STAC9708) {
const char *name = ac97->id == AC97_ID_STAC9708 ?
"Sigmatel Surround Playback" :
"Headphone Playback";
if ((err = snd_ac97_cmix_new(card, name, AC97_HEADPHONE, 1, ac97)) < 0)
return err;
}
/* build master mono controls */
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_master_mono[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_master_mono[1], ac97))) < 0)
return err;
snd_ac97_change_volume_params1(ac97, AC97_MASTER_MONO, &max);
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
snd_ac97_write_cache(ac97, AC97_MASTER_MONO, 0x8000 | max);
}
/* build master tone controls */
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
for (idx = 0; idx < 2; idx++) {
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
return err;
if (ac97->id == AC97_ID_YMF753) {
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= 7 << 16;
}
}
snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
}
/* build PC Speaker controls */
if ((ac97->flags & AC97_HAS_PC_BEEP) ||
snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP)) {
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
return err;
snd_ac97_write_cache(ac97, AC97_PC_BEEP, 0x801e);
}
/* build Phone controls */
if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_phone[0], ac97))) < 0)
return err;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_phone[1], ac97))) < 0)
return err;
snd_ac97_change_volume_params3(ac97, AC97_PHONE, &max);
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
snd_ac97_write_cache(ac97, AC97_PHONE, 0x8000 | max);
}
/* build MIC controls */
snd_ac97_change_volume_params3(ac97, AC97_MIC, &max);
for (idx = 0; idx < 3; idx++) {
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic[idx], ac97))) < 0)
return err;
if (idx == 1) { // volume
kctl->private_value &= ~(0xff << 16);
kctl->private_value |= (int)max << 16;
}
}
snd_ac97_write_cache(ac97, AC97_MIC, 0x8000 | max);
/* build Line controls */
if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, 0, ac97)) < 0)
return err;
/* build CD controls */
if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, 0, ac97)) < 0)
return err;
/* build Video controls */
if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, 0, ac97)) < 0)
return err;
}
/* build Aux controls */
if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, 0, ac97)) < 0)
return err;
}
/* build PCM controls */
if (ac97->flags & AC97_AD_MULTI) {
unsigned short init_val;
if (ac97->flags & AC97_STEREO_MUTES)
init_val = 0x9f9f;
else
init_val = 0x9f1f;
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
return err;
ac97->spec.ad18xx.pcmreg[0] = init_val;
if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
return err;
ac97->spec.ad18xx.pcmreg[1] = init_val;
}
if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
return err;
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
return err;
ac97->spec.ad18xx.pcmreg[2] = init_val;
}
snd_ac97_write_cache(ac97, AC97_PCM, init_val);
} else {
if ((err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97)) < 0)
return err;
/* FIXME: C-Media chips have no PCM volume!! */
if (/*ac97->id == 0x434d4941 ||*/
ac97->id == 0x434d4942 ||
ac97->id == 0x434d4961)
snd_ac97_write_cache(ac97, AC97_PCM, 0x9f1f);
else {
if ((err = snd_ac97_cvol_new(card, "PCM Playback Volume", AC97_PCM, 31, ac97)) < 0)
return err;
}
}
/* build Capture controls */
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
return err;
if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
return err;
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
return err;
snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
/* build MIC Capture controls */
if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
for (idx = 0; idx < 2; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
return err;
snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
}
/* build PCM out path & mute control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
return err;
}
/* build Simulated Stereo Enhancement control */
if (ac97->caps & 0x0008) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
return err;
}
/* build 3D Stereo Enhancement control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
return err;
}
/* build Loudness control */
if (ac97->caps & 0x0020) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
return err;
}
/* build Mono output select control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
return err;
}
/* build Mic select control */
if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
return err;
}
/* build ADC/DAC loopback control */
if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
return err;
}
snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0x0000);
/* build 3D controls */
if (ac97->build_ops && 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 = 0x0707;
snd_ac97_write(ac97, AC97_3D_CONTROL, val);
val = snd_ac97_read(ac97, AC97_3D_CONTROL);
val = val == 0x0606;
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
return err;
if (val)
kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
return err;
if (val)
kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
}
}
/* build S/PDIF controls */
if (ac97->ext_id & AC97_EI_SPDIF) {
if (ac97->build_ops && ac97->build_ops->build_spdif) {
if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
return err;
} else {
for (idx = 0; idx < 5; idx++)
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
return err;
if (ac97->build_ops && ac97->build_ops->build_post_spdif) {
if ((err = ac97->build_ops->build_post_spdif(ac97)) < 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, 0x2a20);
}
ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
}
/* build chip specific controls */
if (ac97->build_ops && ac97->build_ops->build_specific)
if ((err = ac97->build_ops->build_specific(ac97)) < 0)
return err;
if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_eapd, ac97))) < 0)
return err;
}
return 0;
}
static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
{
/* TODO */
//printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
return 0;
}
static int snd_ac97_test_rate(ac97_t *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 & 0xffff);
if (shadow_reg)
snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
val = snd_ac97_read(ac97, reg);
return val == (tmp & 0xffff);
}
static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
{
unsigned int result = 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;
*r_result = result;
}
/* check AC97_SPDIF register to accept which sample rates */
static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
{
unsigned int result = 0;
int i;
static unsigned short ctl_bits[] = {
AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
};
static 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;
}
void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
{
const ac97_codec_id_t *pid;
sprintf(name, "0x%x %c%c%c", id,
printable(id >> 24),
printable(id >> 16),
printable(id >> 8));
for (pid = snd_ac97_codec_id_vendors; pid->id; pid++)
if (pid->id == (id & pid->mask)) {
strcpy(name, pid->name);
if (ac97) {
if (!modem && pid->patch)
pid->patch(ac97);
else if (modem && pid->mpatch)
pid->mpatch(ac97);
}
goto __vendor_ok;
}
return;
__vendor_ok:
for (pid = snd_ac97_codec_ids; pid->id; pid++)
if (pid->id == (id & pid->mask)) {
strcat(name, " ");
strcat(name, pid->name);
if (pid->mask != 0xffffffff)
sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
if (ac97) {
if (!modem && pid->patch)
pid->patch(ac97);
else if (modem && pid->mpatch)
pid->mpatch(ac97);
}
return;
}
sprintf(name + strlen(name), " id %x", id & 0xff);
}
/* wait for a while until registers are accessible after RESET
* return 0 if ok, negative not ready
*/
static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
{
unsigned long end_time;
end_time = jiffies + timeout;
do {
unsigned short ext_mid;
/* 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) {
ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
if (ext_mid != 0xffff && (ext_mid & 1) != 0)
return 0;
}
/* 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, 0x8a05);
if (snd_ac97_read(ac97, AC97_REC_GAIN) == 0x8a05)
return 0;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/100);
} while (time_after_eq(end_time, jiffies));
return -ENODEV;
}
/**
* snd_ac97_bus - create an AC97 bus component
* @card: the card instance
* @_bus: the template of AC97 bus, callbacks and
* the private data.
* @rbus: the pointer to store the new AC97 bus instance.
*
* Creates an AC97 bus component. An ac97_bus_t instance is newly
* allocated and initialized from the template (_bus).
*
* The template must include the valid callbacks (at least read and
* write), the bus number (num), and the private data (private_data).
* The other callbacks, wait and reset, are not mandatory.
*
* The clock is set to 48000. If another clock is needed, set
* bus->clock manually.
*
* The AC97 bus instance is registered as a low-level device, so you don't
* have to release it manually.
*
* Returns zero if successful, or a negative error code on failure.
*/
int snd_ac97_bus(snd_card_t * card, ac97_bus_t * _bus, ac97_bus_t ** rbus)
{
int err;
ac97_bus_t *bus;
static snd_device_ops_t ops = {
.dev_free = snd_ac97_bus_dev_free,
};
snd_assert(card != NULL, return -EINVAL);
snd_assert(_bus != NULL && rbus != NULL, return -EINVAL);
bus = snd_magic_kmalloc(ac97_bus_t, 0, GFP_KERNEL);
if (bus == NULL)
return -ENOMEM;
*bus = *_bus;
bus->card = card;
if (bus->clock == 0)
bus->clock = 48000;
spin_lock_init(&bus->bus_lock);
snd_ac97_bus_proc_init(bus);
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, bus, &ops)) < 0) {
snd_ac97_bus_free(bus);
return err;
}
*rbus = bus;
return 0;
}
/**
* snd_ac97_mixer - create an Codec97 component
* @bus: the AC97 bus which codec is attached to
* @_ac97: 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 ac97_t instance is newly
* allocated and initialized from the template (_ac97). The codec
* is then initialized by the standard procedure.
*
* The template must include the valid callbacks (at least read and
* write), the codec number (num) and address (addr), and the private
* data (private_data). The other callbacks, wait and reset, are not
* mandatory.
*
* The ac97 instance is registered as a low-level device, so you don't
* have to release it manually.
*
* Returns zero if successful, or a negative error code on failure.
*/
int snd_ac97_mixer(ac97_bus_t * bus, ac97_t * _ac97, ac97_t ** rac97)
{
int err;
ac97_t *ac97;
snd_card_t *card;
char name[64];
unsigned long end_time;
unsigned int reg;
static snd_device_ops_t ops = {
.dev_free = snd_ac97_dev_free,
};
snd_assert(rac97 != NULL, return -EINVAL);
*rac97 = NULL;
snd_assert(bus != NULL && _ac97 != NULL, return -EINVAL);
snd_assert(_ac97->num < 4 && bus->codec[_ac97->num] == NULL, return -EINVAL);
card = bus->card;
ac97 = snd_magic_kmalloc(ac97_t, 0, GFP_KERNEL);
if (ac97 == NULL)
return -ENOMEM;
*ac97 = *_ac97;
ac97->bus = bus;
bus->codec[ac97->num] = ac97;
spin_lock_init(&ac97->reg_lock);
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);
}
if (bus->reset) {
bus->reset(ac97);
goto __access_ok;
}
snd_ac97_write(ac97, AC97_RESET, 0); /* reset to defaults */
if (bus->wait)
bus->wait(ac97);
else {
udelay(50);
if (ac97_reset_wait(ac97, HZ/2, 0) < 0 &&
ac97_reset_wait(ac97, HZ/2, 1) < 0) {
snd_printk(KERN_WARNING "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->id == 0x00000000 || ac97->id == 0xffffffff) {
snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
snd_ac97_free(ac97);
return -EIO;
}
/* AC97 audio codec chip revision detection. */
/* Currently only Realtek ALC650 detection implemented. */
switch(ac97->id & 0xfffffff0) {
case 0x414c4720: /* ALC650 */
reg = snd_ac97_read(ac97, AC97_ALC650_REVISION);
if (((reg & 0x3f) >= 0) && ((reg & 0x3f) < 3))
ac97->id = 0x414c4720; /* Old version */
else if (((reg & 0x3f) >= 3) && ((reg & 0x3f) < 0x10))
ac97->id = 0x414c4721; /* D version */
else if ((reg&0x30) == 0x10)
ac97->id = 0x414c4722; /* E version */
else if ((reg&0x30) == 0x20)
ac97->id = 0x414c4723; /* F version */
}
/* 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, 0x8a06);
if ((err = snd_ac97_read(ac97, AC97_REC_GAIN)) == 0x8a06)
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 == 0xffff) /* 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 == 0xffff) /* 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)))
snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
snd_ac97_free(ac97);
return -EACCES;
}
if (bus->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);
snd_ac97_write_cache(ac97, AC97_RESET, 0); /* reset to defaults */
udelay(100);
/* nothing should be in powerdown mode */
snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
end_time = jiffies + (HZ / 10);
do {
if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
goto __ready_ok;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/10);
} while (time_after_eq(end_time, jiffies));
snd_printk(KERN_ERR "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, 12000);
tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
}
if (ac97->ext_mid & AC97_MEI_LINE2) {
snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000);
tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
}
if (ac97->ext_mid & AC97_MEI_HANDSET) {
snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000);
tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
}
snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
udelay(100);
/* nothing should be in powerdown mode */
snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
end_time = jiffies + (HZ / 10);
do {
if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
goto __ready_ok;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/10);
} while (time_after_eq(end_time, jiffies));
snd_printk(KERN_ERR "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 & 0x0189) /* L/R, MIC, SDAC, LDAC VRA support */
snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, ac97->ext_id & 0x0189);
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;
ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
}
if (ac97->ext_id & AC97_EI_SPDIF) {
/* codec specific code (patch) should override these values */
if (ac97->flags & AC97_CS_SPDIF)
ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100;
else if (ac97->id == AC97_ID_CM9739)
ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000;
else
ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
}
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->init)
bus->init(ac97);
snd_ac97_get_name(ac97, ac97->id, name, 0);
snd_ac97_get_name(NULL, ac97->id, name, 0); // ac97->id might be changed in the special setup code
if (ac97_is_audio(ac97)) {
if (card->mixername[0] == '\0') {
strcpy(card->mixername, name);
} else {
if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
strcat(card->mixername, ",");
strcat(card->mixername, name);
}
}
if ((err = snd_component_add(card, "AC97a")) < 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)) {
if (card->mixername[0] == '\0') {
strcpy(card->mixername, name);
} else {
if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
strcat(card->mixername, ",");
strcat(card->mixername, name);
}
}
if ((err = snd_component_add(card, "AC97m")) < 0) {
snd_ac97_free(ac97);
return err;
}
if (snd_ac97_modem_build(card, ac97) < 0) {
snd_ac97_free(ac97);
return -ENOMEM;
}
}
/* make sure the proper powerdown bits are cleared */
if (ac97->scaps) {
reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
reg &= ~AC97_EA_PRJ;
if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
}
snd_ac97_proc_init(ac97);
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ac97, &ops)) < 0) {
snd_ac97_free(ac97);
return err;
}
*rac97 = ac97;
return 0;
}
/*
* 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(ac97_t *ac97)
{
unsigned short power;
if (ac97_is_audio(ac97)) {
/* some codecs have stereo mute bits */
snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
}
power = ac97->regs[AC97_POWERDOWN] | 0x8000; /* EAPD */
power |= 0x4000; /* Headphone amplifier powerdown */
power |= 0x0300; /* ADC & DAC powerdown */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
udelay(100);
power |= 0x0400; /* Analog Mixer powerdown (Vref on) */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
udelay(100);
#if 0
/* FIXME: this causes click noises on some boards at resume */
power |= 0x3800; /* AC-link powerdown, internal Clk disable */
snd_ac97_write(ac97, AC97_POWERDOWN, power);
#endif
}
#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(ac97_t *ac97)
{
snd_ac97_powerdown(ac97);
}
/**
* snd_ac97_resume - General resume function for AC97 codec
* @ac97: the ac97 instance
*
* Do the standard resume procedure, power up and restoring the
* old register values.
*/
void snd_ac97_resume(ac97_t *ac97)
{
int i, is_ad18xx, codec;
if (ac97->bus->reset) {
ac97->bus->reset(ac97);
goto __reset_ready;
}
snd_ac97_write(ac97, AC97_POWERDOWN, 0);
snd_ac97_write(ac97, AC97_RESET, 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]);
ac97->bus->write(ac97, AC97_MASTER, 0x8101);
for (i = 0; i < 10; i++) {
if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
break;
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(1);
}
/* FIXME: extra delay */
ac97->bus->write(ac97, AC97_MASTER, 0x8000);
if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/4);
}
__reset_ready:
if (ac97->bus->init)
ac97->bus->init(ac97);
is_ad18xx = (ac97->flags & AC97_AD_MULTI);
if (is_ad18xx) {
/* restore the AD18xx codec configurations */
for (codec = 0; codec < 3; codec++) {
if (! ac97->spec.ad18xx.id[codec])
continue;
/* select single codec */
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
ac97->bus->write(ac97, AC97_AD_CODEC_CFG, ac97->spec.ad18xx.codec_cfg[codec]);
}
/* select all codecs */
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
}
/* restore ac97 status */
for (i = 2; i < 0x7c ; 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)) {
if (is_ad18xx) {
/* handle multi codecs for AD18xx */
if (i == AC97_PCM) {
for (codec = 0; codec < 3; codec++) {
if (! ac97->spec.ad18xx.id[codec])
continue;
/* select single codec */
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
/* update PCM bits */
ac97->bus->write(ac97, AC97_PCM, ac97->spec.ad18xx.pcmreg[codec]);
}
/* select all codecs */
snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
continue;
} else if (i == AC97_AD_TEST ||
i == AC97_AD_CODEC_CFG ||
i == AC97_AD_SERIAL_CFG)
continue; /* ignore */
}
snd_ac97_write(ac97, i, ac97->regs[i]);
snd_ac97_read(ac97, i);
}
}
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 */
}
}
}
#endif
/*
*/
int snd_ac97_remove_ctl(ac97_t *ac97, const char *name)
{
snd_ctl_elem_id_t id;
memset(&id, 0, sizeof(id));
strcpy(id.name, name);
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_remove_id(ac97->bus->card, &id);
}
static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name)
{
snd_ctl_elem_id_t sid;
memset(&sid, 0, sizeof(sid));
strcpy(sid.name, name);
sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_find_id(ac97->bus->card, &sid);
}
int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst)
{
snd_kcontrol_t *kctl = ctl_find(ac97, src);
if (kctl) {
strcpy(kctl->id.name, dst);
return 0;
}
return -ENOENT;
}
int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2)
{
snd_kcontrol_t *kctl1, *kctl2;
kctl1 = ctl_find(ac97, s1);
kctl2 = ctl_find(ac97, s2);
if (kctl1 && kctl2) {
strcpy(kctl1->id.name, s2);
strcpy(kctl2->id.name, s1);
return 0;
}
return -ENOENT;
}
static int swap_headphone(ac97_t *ac97, int remove_master)
{
/* FIXME: error checks.. */
if (remove_master) {
if (ctl_find(ac97, "Headphone Playback Switch") == NULL)
return 0;
snd_ac97_remove_ctl(ac97, "Master Playback Switch");
snd_ac97_remove_ctl(ac97, "Master Playback Volume");
} else {
snd_ac97_rename_ctl(ac97, "Master Playback Switch", "Line-Out Playback Switch");
snd_ac97_rename_ctl(ac97, "Master Playback Volume", "Line-Out Playback Volume");
}
snd_ac97_rename_ctl(ac97, "Headphone Playback Switch", "Master Playback Switch");
snd_ac97_rename_ctl(ac97, "Headphone Playback Volume", "Master Playback Volume");
return 0;
}
static int swap_surround(ac97_t *ac97)
{
/* FIXME: error checks.. */
snd_ac97_swap_ctl(ac97, "Master Playback Switch", "Surround Playback Switch");
snd_ac97_swap_ctl(ac97, "Master Playback Volume", "Surround Playback Volume");
return 0;
}
static int tune_ad_sharing(ac97_t *ac97)
{
unsigned short scfg;
if ((ac97->id & 0xffffff00) != 0x41445300) {
snd_printk(KERN_ERR "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 | 0x0200);
return 0;
}
static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
static int tune_alc_jack(ac97_t *ac97)
{
if ((ac97->id & 0xffffff00) != 0x414c4700) {
snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
return -EINVAL;
}
snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
}
static int apply_quirk(ac97_t *ac97, int quirk)
{
switch (quirk) {
case AC97_TUNE_NONE:
return 0;
case AC97_TUNE_HP_ONLY:
return swap_headphone(ac97, 1);
case AC97_TUNE_SWAP_HP:
return swap_headphone(ac97, 0);
case AC97_TUNE_SWAP_SURROUND:
return swap_surround(ac97);
case AC97_TUNE_AD_SHARING:
return tune_ad_sharing(ac97);
case AC97_TUNE_ALC_JACK:
return tune_alc_jack(ac97);
}
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 not AC97_TUNE_DEFAULT)
*
* 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.
*
* Returns zero if successful, or a negative error code on failure.
*/
int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override)
{
int result;
snd_assert(quirk, return -EINVAL);
if (override != AC97_TUNE_DEFAULT) {
result = apply_quirk(ac97, override);
if (result < 0)
snd_printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
return result;
}
for (; quirk->vendor; quirk++) {
if (quirk->vendor != ac97->subsystem_vendor)
continue;
if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
quirk->device == (quirk->mask & ac97->subsystem_device)) {
snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
result = apply_quirk(ac97, quirk->type);
if (result < 0)
snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
return result;
}
}
return 0;
}
/*
* Exported symbols
*/
EXPORT_SYMBOL(snd_ac97_write);
EXPORT_SYMBOL(snd_ac97_read);
EXPORT_SYMBOL(snd_ac97_write_cache);
EXPORT_SYMBOL(snd_ac97_update);
EXPORT_SYMBOL(snd_ac97_update_bits);
EXPORT_SYMBOL(snd_ac97_bus);
EXPORT_SYMBOL(snd_ac97_mixer);
EXPORT_SYMBOL(snd_ac97_pcm_assign);
EXPORT_SYMBOL(snd_ac97_pcm_open);
EXPORT_SYMBOL(snd_ac97_pcm_close);
EXPORT_SYMBOL(snd_ac97_tune_hardware);
EXPORT_SYMBOL(snd_ac97_set_rate);
#ifdef CONFIG_PM
EXPORT_SYMBOL(snd_ac97_resume);
EXPORT_SYMBOL(snd_ac97_suspend);
#endif
/*
* INIT part
*/
static int __init alsa_ac97_init(void)
{
return 0;
}
static void __exit alsa_ac97_exit(void)
{
}
module_init(alsa_ac97_init)
module_exit(alsa_ac97_exit)
![[BACK]](/icons/back.gif){kind=icon}
Return to ac97_codec.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [Development] / linux-2.6-xfs / sound / pci / ac97