fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / sound / pci / ac97 / ac97_codec.c
index b88a198..d2994cb 100644 (file)
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/moduleparam.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>
@@ -46,19 +48,25 @@ static int 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;
+module_param(power_save, bool, 0644);
+MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
+#endif
 /*
 
  */
 
-typedef struct {
+struct ac97_codec_id {
        unsigned int id;
        unsigned int mask;
        const char *name;
-       int (*patch)(ac97_t *ac97);
-       int (*mpatch)(ac97_t *ac97);
-} ac97_codec_id_t;
+       int (*patch)(struct snd_ac97 *ac97);
+       int (*mpatch)(struct snd_ac97 *ac97);
+       unsigned int flags;
+};
 
-static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
+static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = {
 { 0x414b4d00, 0xffffff00, "Asahi Kasei",       NULL,   NULL },
 { 0x41445300, 0xffffff00, "Analog Devices",    NULL,   NULL },
 { 0x414c4300, 0xffffff00, "Realtek",           NULL,   NULL },
@@ -85,7 +93,7 @@ static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
 { 0,         0,          NULL,                 NULL,   NULL }
 };
 
-static const ac97_codec_id_t snd_ac97_codec_ids[] = {
+static const struct ac97_codec_id snd_ac97_codec_ids[] = {
 { 0x414b4d00, 0xffffffff, "AK4540",            NULL,           NULL },
 { 0x414b4d01, 0xffffffff, "AK4542",            NULL,           NULL },
 { 0x414b4d02, 0xffffffff, "AK4543",            NULL,           NULL },
@@ -103,13 +111,15 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 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 },
+{ 0x41445378, 0xffffffff, "AD1986",            patch_ad1985,   NULL },
+{ 0x414c4300, 0xffffff00, "ALC100,100P",       NULL,           NULL },
+{ 0x414c4710, 0xfffffff0, "ALC200,200P",       NULL,           NULL },
 { 0x414c4721, 0xffffffff, "ALC650D",           NULL,   NULL }, /* already patched */
 { 0x414c4722, 0xffffffff, "ALC650E",           NULL,   NULL }, /* already patched */
 { 0x414c4723, 0xffffffff, "ALC650F",           NULL,   NULL }, /* already patched */
 { 0x414c4720, 0xfffffff0, "ALC650",            patch_alc650,   NULL },
 { 0x414c4760, 0xfffffff0, "ALC655",            patch_alc655,   NULL },
+{ 0x414c4781, 0xffffffff, "ALC658D",           NULL,   NULL }, /* already patched */
 { 0x414c4780, 0xfffffff0, "ALC658",            patch_alc655,   NULL },
 { 0x414c4790, 0xfffffff0, "ALC850",            patch_alc850,   NULL },
 { 0x414c4730, 0xffffffff, "ALC101",            NULL,           NULL },
@@ -118,9 +128,13 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 0x414c4770, 0xfffffff0, "ALC203",            NULL,           NULL },
 { 0x434d4941, 0xffffffff, "CMI9738",           patch_cm9738,   NULL },
 { 0x434d4961, 0xffffffff, "CMI9739",           patch_cm9739,   NULL },
+{ 0x434d4969, 0xffffffff, "CMI9780",           patch_cm9780,   NULL },
+{ 0x434d4978, 0xffffffff, "CMI9761A",          patch_cm9761,   NULL },
+{ 0x434d4982, 0xffffffff, "CMI9761B",          patch_cm9761,   NULL },
+{ 0x434d4983, 0xffffffff, "CMI9761A+",         patch_cm9761,   NULL },
 { 0x43525900, 0xfffffff8, "CS4297",            NULL,           NULL },
 { 0x43525910, 0xfffffff8, "CS4297A",           patch_cirrus_spdif,     NULL },
-{ 0x43525920, 0xfffffff8, "CS4294/4298",       NULL,           NULL },
+{ 0x43525920, 0xfffffff8, "CS4298",            patch_cirrus_spdif,             NULL },
 { 0x43525928, 0xfffffff8, "CS4294",            NULL,           NULL },
 { 0x43525930, 0xfffffff8, "CS4299",            patch_cirrus_cs4299,    NULL },
 { 0x43525948, 0xfffffff8, "CS4201",            NULL,           NULL },
@@ -130,7 +144,7 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 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?
+{ 0x454d4328, 0xffffffff, "EM28028",           NULL,           NULL },  // same as TR28028?
 { 0x45838308, 0xffffffff, "ESS1988",           NULL,           NULL },
 { 0x48525300, 0xffffff00, "HMP9701",           NULL,           NULL },
 { 0x49434501, 0xffffffff, "ICE1230",           NULL,           NULL },
@@ -140,93 +154,53 @@ static const ac97_codec_id_t snd_ac97_codec_ids[] = {
 { 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
+{ 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 },
+{ 0x4e534350, 0xffffffff, "LM4550",            patch_lm4550,   NULL }, // volume wrap fix 
+{ 0x50534304, 0xffffffff, "UCB1400",           patch_ucb1400,  NULL },
+{ 0x53494c20, 0xffffffe0, "Si3036,8",          mpatch_si3036,  mpatch_si3036, AC97_MODEM_PATCH },
 { 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
+{ 0x56494170, 0xffffffff, "VIA1617A",          patch_vt1617a,  NULL }, // modified VT1616 with S/PDIF
+{ 0x56494182, 0xffffffff, "VIA1618",           NULL,           NULL },
 { 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},
+{ 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},
+{ 0x574d4C12, 0xffffffff, "WM9711,WM9712",     patch_wolfson11, NULL},
+{ 0x574d4c13, 0xffffffff, "WM9713,WM9714",     patch_wolfson13, NULL, AC97_DEFAULT_POWER_OFF},
 { 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 },
+{ 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 },
+{ 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?
+{ 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"
-};
-
-/*
- * Shared AC97 controllers (ICH, ATIIXP...)
- */
-static DECLARE_MUTEX(shared_codec_mutex);
-static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
 
+static void update_power_regs(struct snd_ac97 *ac97);
 
 /*
  *  I/O routines
  */
 
-static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
+static int snd_ac97_valid_reg(struct snd_ac97 *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:
@@ -275,7 +249,7 @@ static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
  * #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)
+void snd_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
 {
        if (!snd_ac97_valid_reg(ac97, reg))
                return;
@@ -287,6 +261,8 @@ void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
        ac97->bus->ops->write(ac97, reg, value);
 }
 
+EXPORT_SYMBOL(snd_ac97_write);
+
 /**
  * snd_ac97_read - read a value from the given register
  * 
@@ -298,7 +274,7 @@ void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
  *
  * Returns the read value.
  */
-unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
+unsigned short snd_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
        if (!snd_ac97_valid_reg(ac97, reg))
                return 0;
@@ -306,7 +282,7 @@ unsigned short snd_ac97_read(ac97_t *ac97, unsigned short 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)
+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);
@@ -315,6 +291,8 @@ static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short re
        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
@@ -325,17 +303,19 @@ static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short re
  * 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)
+void snd_ac97_write_cache(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
 {
        if (!snd_ac97_valid_reg(ac97, reg))
                return;
-       spin_lock(&ac97->reg_lock);
+       mutex_lock(&ac97->reg_mutex);
        ac97->regs[reg] = value;
-       spin_unlock(&ac97->reg_lock);
        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
@@ -348,23 +328,25 @@ void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value
  * 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 snd_ac97_update(struct snd_ac97 *ac97, unsigned short reg, unsigned short value)
 {
        int change;
 
        if (!snd_ac97_valid_reg(ac97, reg))
                return -EINVAL;
-       spin_lock(&ac97->reg_lock);
+       mutex_lock(&ac97->reg_mutex);
        change = ac97->regs[reg] != value;
        if (change) {
                ac97->regs[reg] = value;
-               spin_unlock(&ac97->reg_lock);
                ac97->bus->ops->write(ac97, reg, value);
-       } else
-               spin_unlock(&ac97->reg_lock);
+       }
+       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
@@ -378,40 +360,51 @@ int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
  * 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 snd_ac97_update_bits(struct snd_ac97 *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);
+       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_updat_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;
+       new = (old & ~mask) | (value & mask);
        change = old != new;
        if (change) {
                ac97->regs[reg] = new;
-               spin_unlock(&ac97->reg_lock);
                ac97->bus->ops->write(ac97, reg, new);
-       } else
-               spin_unlock(&ac97->reg_lock);
+       }
+       set_bit(reg, ac97->reg_accessed);
        return change;
 }
 
-static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
+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;
 
-       down(&ac97->mutex);
-       spin_lock(&ac97->reg_lock);
+       mutex_lock(&ac97->page_mutex);
        old = ac97->spec.ad18xx.pcmreg[codec];
-       new = (old & ~mask) | value;
-       cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
+       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;
-               spin_unlock(&ac97->reg_lock);
                /* select single codec */
                ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
                                 (cfg & ~0x7000) |
@@ -421,292 +414,211 @@ static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned sho
                /* select all codecs */
                ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
                                 cfg | 0x7000);
-       } else
-               spin_unlock(&ac97->reg_lock);
-       up(&ac97->mutex);
+               mutex_unlock(&ac97->reg_mutex);
+       }
+       mutex_unlock(&ac97->page_mutex);
        return change;
 }
 
 /*
- *
+ * Controls
  */
 
-static int snd_ac97_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+int snd_ac97_info_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
-       static char *texts[8] = {
-               "Mic", "CD", "Video", "Aux", "Line",
-               "Mix", "Mix Mono", "Phone"
-       };
-
+       struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
+       
        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]);
+       uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
+       uinfo->value.enumerated.items = e->mask;
+       
+       if (uinfo->value.enumerated.item > e->mask - 1)
+               uinfo->value.enumerated.item = e->mask - 1;
+       strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]);
        return 0;
 }
 
-static int snd_ac97_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_ac97_get_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
-       unsigned short val;
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
+       struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value;
+       unsigned short val, bitmask;
        
-       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;
+       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_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_ac97_put_enum_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       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;
        
-       if (ucontrol->value.enumerated.item[0] > 7 ||
-           ucontrol->value.enumerated.item[1] > 7)
+       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] << 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;
-               }
+       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;
        }
-       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;
+       return snd_ac97_update_bits(ac97, e->reg, mask, val);
 }
 
-static int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+/* save/restore ac97 v2.3 paging */
+static int snd_ac97_page_save(struct snd_ac97 *ac97, int reg, struct snd_kcontrol *kcontrol)
 {
-       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;
+       int page_save = -1;
+       if ((kcontrol->private_value & (1<<25)) &&
+           (ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
+           (reg >= 0x60 && reg < 0x70)) {
+               unsigned short page = (kcontrol->private_value >> 26) & 0x0f;
+               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 int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static void snd_ac97_page_restore(struct snd_ac97 *ac97, int page_save)
 {
-       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);
+       if (page_save >= 0) {
+               snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
+               mutex_unlock(&ac97->page_mutex); /* unlock paging */
+       }
 }
 
-int snd_ac97_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+/* volume and switch controls */
+int snd_ac97_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
        int mask = (kcontrol->private_value >> 16) & 0xff;
+       int shift = (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;
-       uinfo->count = 1;
+       uinfo->count = shift == rshift ? 1 : 2;
        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)
+int snd_ac97_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        int reg = kcontrol->private_value & 0xff;
-       int shift = (kcontrol->private_value >> 8) & 0xff;
+       int shift = (kcontrol->private_value >> 8) & 0x0f;
+       int rshift = (kcontrol->private_value >> 12) & 0x0f;
        int mask = (kcontrol->private_value >> 16) & 0xff;
        int invert = (kcontrol->private_value >> 24) & 0x01;
-       
+       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 (invert)
+       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;
 }
 
-int snd_ac97_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+int snd_ac97_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        int reg = kcontrol->private_value & 0xff;
-       int shift = (kcontrol->private_value >> 8) & 0xff;
+       int shift = (kcontrol->private_value >> 8) & 0x0f;
+       int rshift = (kcontrol->private_value >> 12) & 0x0f;
        int mask = (kcontrol->private_value >> 16) & 0xff;
        int invert = (kcontrol->private_value >> 24) & 0x01;
-       unsigned short val;
+       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;
-       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;
+       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 & 0x8000) &&
+           (kcontrol->private_value & (1<<30))) {
+               if (val & 0x8000)
+                       ac97->power_up &= ~(1 << (reg>>1));
+               else
+                       ac97->power_up |= 1 << (reg>>1);
+               update_power_regs(ac97);
        }
-       return snd_ac97_update_bits(ac97, reg, 
-                                   (mask << shift_left) | (mask << shift_right),
-                                   (val1 << shift_left) | (val2 << shift_right));
-}
-
-int snd_ac97_getput_page(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol,
-                        int (*func)(snd_kcontrol_t *, snd_ctl_elem_value_t *))
-{
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
-       int reg = kcontrol->private_value & 0xff;
-       int err;
-
-       if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
-           (reg >= 0x60 && reg < 0x70)) {
-               unsigned short page_save;
-               unsigned short page = (kcontrol->private_value >> 25) & 0x0f;
-               down(&ac97->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);
-               err = func(kcontrol, ucontrol);
-               snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
-               up(&ac97->mutex); /* unlock paging */
-       } else
-               err = func(kcontrol, ucontrol);
+#endif
        return err;
 }
 
-/* for rev2.3 paging */
-int snd_ac97_page_get_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
-{
-       return snd_ac97_getput_page(kcontrol, ucontrol, snd_ac97_get_single);
-}
-
-/* for rev2.3 paging */
-int snd_ac97_page_put_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
-{
-       return snd_ac97_getput_page(kcontrol, ucontrol, snd_ac97_put_single);
-}
-
-static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
+static const struct snd_kcontrol_new 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] = {
+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 snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
+static const struct snd_kcontrol_new 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 struct snd_kcontrol_new snd_ac97_controls_mic_boost =
+       AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
 
-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 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 snd_kcontrol_new_t snd_ac97_control_capture_vol =
+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 snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
+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)
 };
 
-typedef enum {
+enum {
        AC97_GENERAL_PCM_OUT = 0,
        AC97_GENERAL_STEREO_ENHANCEMENT,
        AC97_GENERAL_3D,
@@ -714,49 +626,57 @@ typedef enum {
        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),
+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_DOUBLE("Mono Output Select", AC97_GENERAL_PURPOSE, 9, 0),
-AC97_ENUM_DOUBLE("Mic Select", AC97_GENERAL_PURPOSE, 8, 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)
 };
 
-const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
+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 snd_kcontrol_new_t snd_ac97_controls_center[2] = {
+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 snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
+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 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 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)
 };
 
-static const snd_kcontrol_new_t snd_ac97_control_eapd =
-AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
+/* 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(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
+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 |
@@ -768,7 +688,7 @@ static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value
        return 0;
 }
                         
-static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
+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 |
@@ -778,27 +698,26 @@ static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value
        return 0;
 }
 
-static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
 
-       spin_lock(&ac97->reg_lock);
+       mutex_lock(&ac97->reg_mutex);
        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);
+       mutex_unlock(&ac97->reg_mutex);
        return 0;
 }
                         
-static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *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);
@@ -827,9 +746,9 @@ static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_val
                }
        }
 
+       mutex_lock(&ac97->reg_mutex);
        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;
@@ -838,58 +757,59 @@ static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_val
                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)));
+               change |= snd_ac97_update_bits_nolock(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);
+               change |= snd_ac97_update_bits_nolock(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 */
+               snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
 
-               change |= snd_ac97_update_bits(ac97, AC97_SPDIF, 0x3fff, val);
+               change |= snd_ac97_update_bits_nolock(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 */
+                       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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int snd_ac97_put_spsa(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *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;
+       int change;
 
        value = (ucontrol->value.integer.value[0] & mask);
 
+       mutex_lock(&ac97->reg_mutex);
        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);
+       change = old != new;
 
-       if (old != new) {
-               int change;
+       if (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);
+               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(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
-               return change;
+                       snd_ac97_update_bits_nolock(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
        }
-       return 0;
+       mutex_unlock(&ac97->reg_mutex);
+       return change;
 }
 
-const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
+const struct snd_kcontrol_new snd_ac97_controls_spdif[5] = {
        {
                .access = SNDRV_CTL_ELEM_ACCESS_READ,
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -916,8 +836,8 @@ const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
        {
                .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,
+               .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)
        },
@@ -928,9 +848,9 @@ const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
   .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)
+static int snd_ac97_ad18xx_pcm_info_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *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;
@@ -945,9 +865,9 @@ static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_
        return 0;
 }
 
-static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_ad18xx_pcm_get_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *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;
@@ -959,9 +879,9 @@ static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_
        return 0;
 }
 
-static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_ad18xx_pcm_put_bits(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *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;
@@ -982,7 +902,7 @@ static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_
   .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)
+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;
@@ -991,21 +911,21 @@ static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_ele
        return 0;
 }
 
-static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_ad18xx_pcm_get_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        int codec = kcontrol->private_value & 3;
        
-       spin_lock(&ac97->reg_lock);
+       mutex_lock(&ac97->page_mutex);
        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);
+       mutex_unlock(&ac97->page_mutex);
        return 0;
 }
 
-static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ac97_ad18xx_pcm_put_volume(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 {
-       ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
+       struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
        int codec = kcontrol->private_value & 3;
        unsigned short val1, val2;
        
@@ -1014,22 +934,22 @@ static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_ele
        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] = {
+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 snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
+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 snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
+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 snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
+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)
 };
@@ -1038,14 +958,13 @@ AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
  *
  */
 
-static void snd_ac97_powerdown(ac97_t *ac97);
+static void snd_ac97_powerdown(struct snd_ac97 *ac97);
 
-static int snd_ac97_bus_free(ac97_bus_t *bus)
+static int snd_ac97_bus_free(struct snd_ac97_bus *bus)
 {
        if (bus) {
                snd_ac97_bus_proc_done(bus);
-               if (bus->pcms)
-                       kfree(bus->pcms);
+               kfree(bus->pcms);
                if (bus->private_free)
                        bus->private_free(bus);
                kfree(bus);
@@ -1053,24 +972,22 @@ static int snd_ac97_bus_free(ac97_bus_t *bus)
        return 0;
 }
 
-static int snd_ac97_bus_dev_free(snd_device_t *device)
+static int snd_ac97_bus_dev_free(struct snd_device *device)
 {
-       ac97_bus_t *bus = device->device_data;
+       struct snd_ac97_bus *bus = device->device_data;
        return snd_ac97_bus_free(bus);
 }
 
-static int snd_ac97_free(ac97_t *ac97)
+static int snd_ac97_free(struct snd_ac97 *ac97)
 {
        if (ac97) {
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+               if (ac97->power_workq)
+                       destroy_workqueue(ac97->power_workq);
+#endif
                snd_ac97_proc_done(ac97);
-               if (ac97->bus) {
+               if (ac97->bus)
                        ac97->bus->codec[ac97->num] = NULL;
-                       if (ac97->bus->shared_type) {
-                               down(&shared_codec_mutex);
-                               shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
-                               up(&shared_codec_mutex);
-                       }
-               }
                if (ac97->private_free)
                        ac97->private_free(ac97);
                kfree(ac97);
@@ -1078,14 +995,14 @@ static int snd_ac97_free(ac97_t *ac97)
        return 0;
 }
 
-static int snd_ac97_dev_free(snd_device_t *device)
+static int snd_ac97_dev_free(struct snd_device *device)
 {
-       ac97_t *ac97 = device->device_data;
+       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(ac97_t * ac97, int reg)
+static int snd_ac97_try_volume_mix(struct snd_ac97 * ac97, int reg)
 {
        unsigned short val, mask = 0x8000;
 
@@ -1122,22 +1039,57 @@ static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
                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);
+               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)
+static void check_volume_resolution(struct snd_ac97 *ac97, int reg, unsigned char *lo_max, unsigned char *hi_max)
+{
+       unsigned short cbit[3] = { 0x20, 0x10, 0x01 };
+       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 & 0xff;
+                               *hi_max = (tbl->bits >> 8) & 0xff;
+                               return;
+                       }
+               }
+       }
+
+       *lo_max = *hi_max = 0;
+       for (i = 0 ; i < ARRAY_SIZE(cbit); i++) {
+               unsigned short val;
+               snd_ac97_write(ac97, reg, 0x8080 | 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 the 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 & 0x7f) == cbit[i])
+                       *lo_max = max[i];
+               if (! *hi_max && ((val >> 8) & 0x7f) == cbit[i])
+                       *hi_max = max[i];
+               if (*lo_max && *hi_max)
+                       break;
+       }
+}
+
+int snd_ac97_try_bit(struct snd_ac97 * ac97, int reg, int bit)
 {
        unsigned short mask, val, orig, res;
 
@@ -1150,23 +1102,8 @@ int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
        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);
-}
-
 /* check the volume resolution of center/lfe */
-static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
+static void snd_ac97_change_volume_params2(struct snd_ac97 * ac97, int reg, int shift, unsigned char *max)
 {
        unsigned short val, val1;
 
@@ -1181,34 +1118,6 @@ static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, un
        snd_ac97_write_cache(ac97, reg, 0x8080);
 }
 
-/* check whether the volume resolution is 4 or 5 bits */
-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);
-}
-
-/* check whether the volume is mono or stereo */
-static int snd_ac97_is_stereo_vol(ac97_t *ac97, int reg)
-{
-       unsigned short val, val1, val2;
-       val = snd_ac97_read(ac97, reg);
-       val1 = val | 0x8000 | (0x01 << 8);
-       snd_ac97_write(ac97, reg, val1);
-       val2 = snd_ac97_read(ac97, reg);
-       snd_ac97_write(ac97, reg, val); /* restore */
-       return val1 == val2;
-}
-
 static inline int printable(unsigned int x)
 {
        x &= 0xff;
@@ -1220,11 +1129,10 @@ static inline int printable(unsigned int x)
        return x;
 }
 
-snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
+struct snd_kcontrol *snd_ac97_cnew(const struct snd_kcontrol_new *_template, struct snd_ac97 * ac97)
 {
-       snd_kcontrol_new_t template;
+       struct snd_kcontrol_new template;
        memcpy(&template, _template, sizeof(template));
-       snd_runtime_check(!template.index, return NULL);
        template.index = ac97->num;
        return snd_ctl_new1(&template, ac97);
 }
@@ -1232,87 +1140,149 @@ snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * 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)
+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)
 {
-       snd_kcontrol_t *kctl;
-       int stereo = 0;
+       struct snd_kcontrol *kctl;
+       int err;
+       unsigned short val, val1, mute_mask;
 
        if (! snd_ac97_valid_reg(ac97, reg))
                return 0;
 
-       if (ac97->flags & AC97_STEREO_MUTES) {
+       mute_mask = 0x8000;
+       val = snd_ac97_read(ac97, reg);
+       if (check_stereo || (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);
+                       mute_mask = 0x8080;
        }
-       if (stereo) {
-               snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
+       if (mute_mask == 0x8080) {
+               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 {
-               snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
+               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);
        }
-       return snd_ctl_add(card, kctl);
+       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 DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
+
+static unsigned int *find_db_scale(unsigned int maxval)
+{
+       switch (maxval) {
+       case 0x0f: return db_scale_4bit;
+       case 0x1f: return db_scale_5bit;
+       case 0x3f: return db_scale_6bit;
+       }
+       return NULL;
+}
+
+static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv)
+{      
+       kctl->tlv.p = tlv;
+       if (tlv)
+               kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
 }
 
 /*
- * create volumes for normal stereo controls
+ * create a volume for normal stereo/mono controls
  */
-static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int max, ac97_t *ac97)
+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;
-       snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, (unsigned int)max, 1);
-       tmp.index = ac97->num;
+       struct snd_kcontrol *kctl;
 
        if (! snd_ac97_valid_reg(ac97, reg))
                return 0;
-       if ((err = snd_ctl_add(card, snd_ctl_new1(&tmp, ac97))) < 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 (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,
-                            ((ac97->flags & AC97_STEREO_MUTES) ? 0x8080 : 0x8000) |
-                            (unsigned short)max | ((unsigned short)max << 8));
+                            (snd_ac97_read(ac97, reg) & 0x8080) |
+                            lo_max | (hi_max << 8));
        return 0;
 }
 
 /*
- * create mute-switch and volumes for normal stereo controls
+ * create a mute-switch and a volume for normal stereo/mono controls
  */
-static int snd_ac97_cmix_new(snd_card_t *card, const char *pfx, int reg, int check_res, ac97_t *ac97)
+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[44];
-       unsigned char max;
+       unsigned char lo_max, hi_max;
 
        if (! snd_ac97_valid_reg(ac97, reg))
                return 0;
 
-       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;
+       if (snd_ac97_try_bit(ac97, reg, 15)) {
+               sprintf(name, "%s Switch", pfx);
+               if ((err = snd_ac97_cmute_new_stereo(card, name, reg,
+                                                    check_stereo, check_amix,
+                                                    ac97)) < 0)
+                       return err;
+       }
+       check_volume_resolution(ac97, reg, &lo_max, &hi_max);
+       if (lo_max) {
+               sprintf(name, "%s Volume", pfx);
+               if ((err = snd_ac97_cvol_new(card, name, reg, lo_max, hi_max, ac97)) < 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(ac97_t *ac97);
+static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97);
 
-static int snd_ac97_mixer_build(ac97_t * ac97)
+static int snd_ac97_mixer_build(struct snd_ac97 * ac97)
 {
-       snd_card_t *card = ac97->bus->card;
-       snd_kcontrol_t *kctl;
+       struct snd_card *card = ac97->bus->card;
+       struct snd_kcontrol *kctl;
        int err;
        unsigned int idx;
        unsigned char max;
@@ -1320,14 +1290,21 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
        /* 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)
+               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] = 0x8080;
 
        /* build center controls */
-       if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
+       if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) 
+               && !(ac97->flags & AC97_AD_MULTI)) {
                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)
@@ -1335,11 +1312,13 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
                snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
                kctl->private_value &= ~(0xff << 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)) {
+       if ((snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1))
+               && !(ac97->flags & AC97_AD_MULTI)) {
                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)
@@ -1347,116 +1326,114 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
                snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
                kctl->private_value &= ~(0xff << 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)) {
-               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_surround[0], ac97))) < 0)
+       if ((snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) 
+               && !(ac97->flags & AC97_AD_MULTI)) {
+               /* Surround Master (0x38) is with stereo mutes */
+               if ((err = snd_ac97_cmix_new_stereo(card, "Surround Playback",
+                                                   AC97_SURROUND_MASTER, 1, 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)) {
-               if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, 1, ac97)) < 0)
+               if ((err = snd_ac97_cmix_new(card, "Headphone Playback",
+                                            AC97_HEADPHONE, 0, 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)
+               if ((err = snd_ac97_cmix_new(card, "Master Mono Playback",
+                                            AC97_MASTER_MONO, 0, 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;
+       if (!(ac97->flags & AC97_HAS_NO_TONE)) {
+               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);
                }
-               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)) {
+       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++)
-                       if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
+                       if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 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) | 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);
+       if (!(ac97->flags & AC97_HAS_NO_PHONE)) {
+               if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
+                       if ((err = snd_ac97_cmix_new(card, "Phone Playback",
+                                                    AC97_PHONE, 1, ac97)) < 0)
+                               return err;
+               }
        }
        
        /* build MIC controls */
-       snd_ac97_change_volume_params3(ac97, AC97_MIC, &max);
-       if (snd_ac97_is_stereo_vol(ac97, AC97_MIC)) {
-               /* build stereo mic */
-               if ((err = snd_ac97_cmute_new(card, "Mic Playback Switch", AC97_MIC, ac97)) < 0)
-                       return err;
-               if ((err = snd_ac97_cvol_new(card, "Mic Playback Volume", AC97_MIC, max, ac97)) < 0)
-                       return err;
-               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic[2], ac97))) < 0)
-                       return err;
-       } else {
-               /* build mono mic */
-               for (idx = 0; idx < 3; idx++) {
-                       if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic[idx], ac97))) < 0)
+       if (!(ac97->flags & AC97_HAS_NO_MIC)) {
+               if (snd_ac97_try_volume_mix(ac97, AC97_MIC)) {
+                       if ((err = snd_ac97_cmix_new(card, "Mic Playback",
+                                                    AC97_MIC, 1, ac97)) < 0)
+                               return err;
+                       if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_boost, 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;
+       if (snd_ac97_try_volume_mix(ac97, AC97_LINE)) {
+               if ((err = snd_ac97_cmix_new(card, "Line Playback",
+                                            AC97_LINE, 1, ac97)) < 0)
+                       return err;
+       }
        
        /* build CD controls */
-       if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, 0, ac97)) < 0)
-               return err;
+       if (!(ac97->flags & AC97_HAS_NO_CD)) {
+               if (snd_ac97_try_volume_mix(ac97, AC97_CD)) {
+                       if ((err = snd_ac97_cmix_new(card, "CD Playback",
+                                                    AC97_CD, 1, 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;
+       if (!(ac97->flags & AC97_HAS_NO_VIDEO)) {
+               if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
+                       if ((err = snd_ac97_cmix_new(card, "Video Playback",
+                                                    AC97_VIDEO, 1, 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;
-       }
+       if (!(ac97->flags & AC97_HAS_NO_AUX)) {
+               if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
+                       if ((err = snd_ac97_cmix_new(card, "Aux Playback",
+                                                    AC97_AUX, 1, ac97)) < 0)
+                               return err;
+               }
+       }
 
        /* build PCM controls */
        if (ac97->flags & AC97_AD_MULTI) {
@@ -1466,54 +1443,65 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
                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)
+                       if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 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++)
-                               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
+                               if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 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++)
-                               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
+                               if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
                                        return err;
+                       set_tlv_db_scale(kctl, db_scale_5bit);
                        for (idx = 0; idx < 2; idx++)
-                               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
+                               if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 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 ((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 == AC97_ID_CM9739)
-                       snd_ac97_write_cache(ac97, AC97_PCM, 0x9f1f);
-               else {
-                       if ((err = snd_ac97_cvol_new(card, "PCM Playback Volume", AC97_PCM, 31, ac97)) < 0)
+               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 ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
-               return err;
-       if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
-               if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
+       if (!(ac97->flags & AC97_HAS_NO_REC_GAIN)) {
+               if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 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;
+               }
+               if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
+                       return err;
+               set_tlv_db_scale(kctl, db_scale_rec_gain);
+               snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
+               snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
        }
-       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)
+                       if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
                                return err;
+               set_tlv_db_scale(kctl, db_scale_rec_gain);
                snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
        }
 
@@ -1559,10 +1547,10 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
                        return err;
        }
 
-       snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0x0000);
+       snd_ac97_update_bits(ac97, AC97_GENERAL_PURPOSE, ~AC97_GP_DRSS_MASK, 0x0000);
 
        /* build 3D controls */
-       if (ac97->build_ops && ac97->build_ops->build_3d) {
+       if (ac97->build_ops->build_3d) {
                ac97->build_ops->build_3d(ac97);
        } else {
                if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
@@ -1584,15 +1572,21 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
        }
 
        /* build S/PDIF controls */
-       if (ac97->ext_id & AC97_EI_SPDIF) {
-               if (ac97->build_ops && ac97->build_ops->build_spdif) {
+
+       /* Hack for ASUS P5P800-VM, which does not indicate S/PDIF capability */
+       if (ac97->subsystem_vendor == 0x1043 &&
+           ac97->subsystem_device == 0x810f)
+               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) {
                        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 (ac97->build_ops->build_post_spdif) {
                                if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
                                        return err;
                        }
@@ -1605,31 +1599,48 @@ static int snd_ac97_mixer_build(ac97_t * ac97)
        }
        
        /* build chip specific controls */
-       if (ac97->build_ops && ac97->build_ops->build_specific)
+       if (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)
+               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);
+               if ((err = snd_ctl_add(card, kctl)) < 0)
                        return err;
        }
 
        return 0;
 }
 
-static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
+static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
 {
-       /* TODO */
+       int err, idx;
+
        //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);
+
+       /* build modem switches */
+       for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_modem_switches); idx++)
+               if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ac97_controls_modem_switches[idx], ac97))) < 0)
+                       return err;
+
+       /* build chip specific controls */
+       if (ac97->build_ops->build_specific)
+               if ((err = ac97->build_ops->build_specific(ac97)) < 0)
+                       return err;
+
        return 0;
 }
 
-static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
+static int snd_ac97_test_rate(struct snd_ac97 *ac97, int reg, int shadow_reg, int rate)
 {
        unsigned short val;
        unsigned int tmp;
@@ -1642,10 +1653,23 @@ static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
        return val == (tmp & 0xffff);
 }
 
-static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
+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;
@@ -1664,11 +1688,32 @@ static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsi
                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(ac97_t *ac97)
+static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97)
 {
        unsigned int result = 0;
        int i;
@@ -1687,55 +1732,80 @@ static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
        return result;
 }
 
-void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
+/* 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, int modem)
 {
-       const ac97_codec_id_t *pid;
+       const struct ac97_codec_id *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;
+       pid = look_for_codec_id(snd_ac97_codec_id_vendors, id);
+       if (! pid)
+               return;
+
+       strcpy(name, pid->name);
+       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) {
+               strcat(name, " ");
+               strcat(name, pid->name);
+               if (pid->mask != 0xffffffff)
+                       sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
+               if (ac97 && pid->patch) {
+                       if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
+                           (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
+                               pid->patch(ac97);
                }
-       return;
+       } else
+               sprintf(name + strlen(name), " id %x", id & 0xff);
+}
+
+/**
+ * snd_ac97_get_short_name - retrieve codec name
+ * @ac97: the codec instance
+ *
+ * Returns the short identifying name of the codec.
+ */
+const char *snd_ac97_get_short_name(struct snd_ac97 *ac97)
+{
+       const struct ac97_codec_id *pid;
 
-      __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);
+               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(ac97_t *ac97, int timeout, int with_modem)
+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 {
-               unsigned short ext_mid;
                
                /* use preliminary reads to settle the communication */
                snd_ac97_read(ac97, AC97_RESET);
@@ -1743,19 +1813,25 @@ static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
                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)
+                       val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
+                       if (val != 0xffff && (val & 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) & 0x7fff) == 0x0a05)
-                       return 0;
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(1);
+               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 != 0xffff)
+                               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, 0x8a05);
+                       if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
+                               return 0;
+               }
+               schedule_timeout_uninterruptible(1);
        } while (time_after_eq(end_time, jiffies));
        return -ENODEV;
 }
@@ -1768,7 +1844,7 @@ static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
  * @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 ac97_bus_t instance is newly
+ * 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
@@ -1782,18 +1858,18 @@ static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
  *
  * Returns zero if successful, or a negative error code on failure.
  */
-int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
-                void *private_data, ac97_bus_t **rbus)
+int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
+                void *private_data, struct snd_ac97_bus **rbus)
 {
        int err;
-       ac97_bus_t *bus;
-       static snd_device_ops_t dev_ops = {
+       struct snd_ac97_bus *bus;
+       static struct snd_device_ops dev_ops = {
                .dev_free =     snd_ac97_bus_dev_free,
        };
 
        snd_assert(card != NULL, return -EINVAL);
        snd_assert(rbus != NULL, return -EINVAL);
-       bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
+       bus = kzalloc(sizeof(*bus), GFP_KERNEL);
        if (bus == NULL)
                return -ENOMEM;
        bus->card = card;
@@ -1803,7 +1879,7 @@ int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
        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, &dev_ops)) < 0) {
+       if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) {
                snd_ac97_bus_free(bus);
                return err;
        }
@@ -1811,6 +1887,53 @@ int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
        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;
+       snprintf(ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
+                ac97->bus->card->number, ac97->num,
+                snd_ac97_get_short_name(ac97));
+       if ((err = device_register(&ac97->dev)) < 0) {
+               snd_printk(KERN_ERR "Can't register ac97 bus\n");
+               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 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
@@ -1818,7 +1941,7 @@ int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
  *         the private data.
  * @rac97: the pointer to store the new ac97 instance.
  *
- * Creates an Codec97 component.  An ac97_t instance is newly
+ * 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.
  *
@@ -1830,16 +1953,19 @@ int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
  *
  * Returns zero if successful, or a negative error code on failure.
  */
-int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
+int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, struct snd_ac97 **rac97)
 {
        int err;
-       ac97_t *ac97;
-       snd_card_t *card;
+       struct snd_ac97 *ac97;
+       struct snd_card *card;
        char name[64];
        unsigned long end_time;
        unsigned int reg;
-       static snd_device_ops_t ops = {
+       const struct ac97_codec_id *pid;
+       static struct snd_device_ops ops = {
                .dev_free =     snd_ac97_dev_free,
+               .dev_register = snd_ac97_dev_register,
+               .dev_disconnect =       snd_ac97_dev_disconnect,
        };
 
        snd_assert(rac97 != NULL, return -EINVAL);
@@ -1847,23 +1973,8 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
        snd_assert(bus != NULL && template != NULL, return -EINVAL);
        snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
 
-       snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
-       if (bus->shared_type) {
-               /* already shared? */
-               down(&shared_codec_mutex);
-               ac97 = shared_codec[bus->shared_type-1][template->num];
-               if (ac97) {
-                       if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
-                           (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
-                               up(&shared_codec_mutex);
-                               return -EACCES; /* skip this */
-                       }
-               }
-               up(&shared_codec_mutex);
-       }
-
        card = bus->card;
-       ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
+       ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL);
        if (ac97 == NULL)
                return -ENOMEM;
        ac97->private_data = template->private_data;
@@ -1873,22 +1984,39 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
        ac97->num = template->num;
        ac97->addr = template->addr;
        ac97->scaps = template->scaps;
-       ac97->limited_regs = template->limited_regs;
-       memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
+       ac97->res_table = template->res_table;
        bus->codec[ac97->num] = ac97;
-       spin_lock_init(&ac97->reg_lock);
-       init_MUTEX(&ac97->mutex);
+       mutex_init(&ac97->reg_mutex);
+       mutex_init(&ac97->page_mutex);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+       ac97->power_workq = create_workqueue("ac97");
+       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;
        }
 
-       snd_ac97_write(ac97, AC97_RESET, 0);    /* reset to defaults */
+       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 {
@@ -1908,11 +2036,15 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
       __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) {
+       if (! (ac97->scaps & AC97_SCAP_DETECT_BY_VENDOR) &&
+           (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;
        }
+       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)) {
@@ -1951,17 +2083,18 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
        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);
+               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_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(1);
+                       schedule_timeout_uninterruptible(1);
                } while (time_after_eq(end_time, jiffies));
                snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
        }
@@ -1974,27 +2107,26 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                /* 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);
+                       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, 12000);
+                       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, 12000);
+                       snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 8000);
                        tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
                }
-               snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
+               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, 0xff00 & ~(tmp << 8));
+               snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0);
                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(1);
+                       schedule_timeout_uninterruptible(1);
                } while (time_after_eq(end_time, jiffies));
                snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
        }
@@ -2004,13 +2136,29 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                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 & 0x01c9) {    /* L/R, MIC, SDAC, LDAC VRA support */
+               reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
+               reg |= ac97->ext_id & 0x01c0; /* LDAC/SDAC/CDAC */
+               if (! bus->no_vra)
+                       reg |= ac97->ext_id & 0x0009; /* 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) {
@@ -2035,7 +2183,11 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                bus->ops->init(ac97);
        snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
        snd_ac97_get_name(NULL, ac97->id, 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') {
                        strcpy(card->mixername, name);
                } else {
@@ -2044,7 +2196,8 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                                strcat(card->mixername, name);
                        }
                }
-               if ((err = snd_component_add(card, "AC97a")) < 0) {
+               sprintf(comp, "AC97a:%08x", ac97->id);
+               if ((err = snd_component_add(card, comp)) < 0) {
                        snd_ac97_free(ac97);
                        return err;
                }
@@ -2054,6 +2207,7 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                }
        }
        if (ac97_is_modem(ac97)) {
+               char comp[16];
                if (card->mixername[0] == '\0') {
                        strcpy(card->mixername, name);
                } else {
@@ -2062,7 +2216,8 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                                strcat(card->mixername, name);
                        }
                }
-               if ((err = snd_component_add(card, "AC97m")) < 0) {
+               sprintf(comp, "AC97m:%08x", ac97->id);
+               if ((err = snd_component_add(card, comp)) < 0) {
                        snd_ac97_free(ac97);
                        return err;
                }
@@ -2071,31 +2226,18 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
                        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);
-       }
+       if (ac97_is_audio(ac97))
+               update_power_regs(ac97);
        snd_ac97_proc_init(ac97);
-       if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ac97, &ops)) < 0) {
+       if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ac97, &ops)) < 0) {
                snd_ac97_free(ac97);
                return err;
        }
        *rac97 = ac97;
-
-       if (bus->shared_type) {
-               down(&shared_codec_mutex);
-               shared_codec[bus->shared_type-1][ac97->num] = ac97;
-               up(&shared_codec_mutex);
-       }
-
        return 0;
 }
 
+EXPORT_SYMBOL(snd_ac97_mixer);
 
 /*
  * Power down the chip.
@@ -2103,7 +2245,7 @@ int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
  * 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)
+static void snd_ac97_powerdown(struct snd_ac97 *ac97)
 {
        unsigned short power;
 
@@ -2113,19 +2255,149 @@ static void snd_ac97_powerdown(ac97_t *ac97)
                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) */
+       /* 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);
-#if 0
-       /* FIXME: this causes click noises on some boards at resume */
-       power |= 0x3800;        /* AC-link powerdown, internal Clk disable */
+       power |= AC97_PD_PR2 | AC97_PD_PR3;     /* Analog Mixer powerdown */
        snd_ac97_write(ac97, AC97_POWERDOWN, power);
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+       if (power_save) {
+               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);
+       }
+#endif
+}
+
+
+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 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.
+ */
+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 (power_save && !powerup && ac97->power_workq)
+               /* adjust power-down bits after two seconds delay
+                * (for avoiding loud click noises for many (OSS) apps
+                *  that open/close frequently)
+                */
+               queue_delayed_work(ac97->power_workq, &ac97->power_work, HZ*2);
+       else
+               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;
+
+#ifdef CONFIG_SND_AC97_POWER_SAVE
+       if (power_save)
+               power_up = ac97->power_up;
+       else {
+#endif
+               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
+       }
 #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);
+               }
+       }
 }
 
 
@@ -2136,11 +2408,57 @@ static void snd_ac97_powerdown(ac97_t *ac97)
  *
  * Suspends the codec, power down the chip.
  */
-void snd_ac97_suspend(ac97_t *ac97)
+void snd_ac97_suspend(struct snd_ac97 *ac97)
 {
+       if (! ac97)
+               return;
+       if (ac97->build_ops->suspend)
+               ac97->build_ops->suspend(ac97);
        snd_ac97_powerdown(ac97);
 }
 
+EXPORT_SYMBOL(snd_ac97_suspend);
+
+/*
+ * restore ac97 status
+ */
+void snd_ac97_restore_status(struct snd_ac97 *ac97)
+{
+       int i;
+
+       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)) {
+                       snd_ac97_write(ac97, i, ac97->regs[i]);
+                       snd_ac97_read(ac97, i);
+               }
+       }
+}
+
+/*
+ * restore IEC958 status
+ */
+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 */
+               }
+       }
+}
+
 /**
  * snd_ac97_resume - General resume function for AC97 codec
  * @ac97: the ac97 instance
@@ -2148,9 +2466,12 @@ void snd_ac97_suspend(ac97_t *ac97)
  * Do the standard resume procedure, power up and restoring the
  * old register values.
  */
-void snd_ac97_resume(ac97_t *ac97)
+void snd_ac97_resume(struct snd_ac97 *ac97)
 {
-       int i, is_ad18xx, codec;
+       unsigned long end_time;
+
+       if (! ac97)
+               return;
 
        if (ac97->bus->ops->reset) {
                ac97->bus->ops->reset(ac97);
@@ -2158,106 +2479,54 @@ void snd_ac97_resume(ac97_t *ac97)
        }
 
        snd_ac97_write(ac97, AC97_POWERDOWN, 0);
-       snd_ac97_write(ac97, AC97_RESET, 0);
-       udelay(100);
-       snd_ac97_write(ac97, AC97_POWERDOWN, 0);
+       if (! (ac97->flags & AC97_DEFAULT_POWER_OFF)) {
+               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]);
        if (ac97_is_audio(ac97)) {
                ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
-               for (i = HZ/10; i >= 0; i--) {
+               end_time = jiffies + msecs_to_jiffies(100);
+               do {
                        if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
                                break;
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+                       schedule_timeout_uninterruptible(1);
+               } while (time_after_eq(end_time, jiffies));
                /* FIXME: extra delay */
                ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
-               if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(HZ/4);
-               }
+               if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000)
+                       msleep(250);
        } else {
-               for (i = HZ/10; i >= 0; i--) {
+               end_time = jiffies + msecs_to_jiffies(100);
+               do {
                        unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
                        if (val != 0xffff && (val & 1) != 0)
                                break;
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(1);
-               }
+                       schedule_timeout_uninterruptible(1);
+               } while (time_after_eq(end_time, jiffies));
        }
 __reset_ready:
 
        if (ac97->bus->ops->init)
                ac97->bus->ops->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->ops->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->ops->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 */
-               }
+       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)
 {
@@ -2267,27 +2536,29 @@ static void set_ctl_name(char *dst, const char *src, const char *suffix)
                strcpy(dst, src);
 }      
 
-int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
+/* remove the control with the given name and optional suffix */
+int snd_ac97_remove_ctl(struct snd_ac97 *ac97, const char *name, const char *suffix)
 {
-       snd_ctl_elem_id_t id;
+       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 snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
+static struct snd_kcontrol *ctl_find(struct snd_ac97 *ac97, const char *name, const char *suffix)
 {
-       snd_ctl_elem_id_t sid;
+       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);
 }
 
-int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
+/* rename the control with the given name and optional suffix */
+int snd_ac97_rename_ctl(struct snd_ac97 *ac97, const char *src, const char *dst, const char *suffix)
 {
-       snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
+       struct snd_kcontrol *kctl = ctl_find(ac97, src, suffix);
        if (kctl) {
                set_ctl_name(kctl->id.name, dst, suffix);
                return 0;
@@ -2296,15 +2567,16 @@ int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const ch
 }
 
 /* rename both Volume and Switch controls - don't check the return value */
-void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
+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");
 }
 
-int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
+/* swap controls */
+int snd_ac97_swap_ctl(struct snd_ac97 *ac97, const char *s1, const char *s2, const char *suffix)
 {
-       snd_kcontrol_t *kctl1, *kctl2;
+       struct snd_kcontrol *kctl1, *kctl2;
        kctl1 = ctl_find(ac97, s1, suffix);
        kctl2 = ctl_find(ac97, s2, suffix);
        if (kctl1 && kctl2) {
@@ -2315,28 +2587,68 @@ int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *
        return -ENOENT;
 }
 
-static int swap_headphone(ac97_t *ac97, int remove_master)
+#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)
 {
-       if (remove_master) {
-               if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
-                       return 0;
-               snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
-               snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
-       } else
-               snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
+       int err = snd_ac97_put_volsw(kcontrol, ucontrol);
+       if (err > 0) {
+               unsigned long priv_saved = kcontrol->private_value;
+               kcontrol->private_value = (kcontrol->private_value & ~0xff) | 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;
 }
 
-static int swap_surround(ac97_t *ac97)
+/* ac97 tune: swap Surround and Master controls */
+static int tune_swap_surround(struct snd_ac97 *ac97)
 {
-       /* FIXME: error checks.. */
-       snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch");
-       snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume");
+       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;
 }
 
-static int tune_ad_sharing(ac97_t *ac97)
+/* ac97 tune: set up mic sharing for AD codecs */
+static int tune_ad_sharing(struct snd_ac97 *ac97)
 {
        unsigned short scfg;
        if ((ac97->id & 0xffffff00) != 0x41445300) {
@@ -2349,10 +2661,11 @@ static int tune_ad_sharing(ac97_t *ac97)
        return 0;
 }
 
-static const snd_kcontrol_new_t snd_ac97_alc_jack_detect = 
+static const struct snd_kcontrol_new snd_ac97_alc_jack_detect = 
 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
 
-static int tune_alc_jack(ac97_t *ac97)
+/* ac97 tune: set up ALC jack-select */
+static int tune_alc_jack(struct snd_ac97 *ac97)
 {
        if ((ac97->id & 0xffffff00) != 0x414c4700) {
                snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
@@ -2360,25 +2673,131 @@ static int tune_alc_jack(ac97_t *ac97)
        }
        snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
        snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
+       if (ac97->id == AC97_ID_ALC658D)
+               snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
        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)
+/* 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) & 0x0f;
+               int rshift = (kcontrol->private_value >> 12) & 0x0f;
+               unsigned short mask;
+               if (shift != rshift)
+                       mask = 0x8080;
+               else
+                       mask = 0x8000;
+               snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
+                                    (ac97->regs[AC97_MASTER] & mask) == mask ?
+                                    0x8000 : 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, 0x8000, 0x8000); /* 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) & 0x0f;
+               int rshift = (kcontrol->private_value >> 12) & 0x0f;
+               unsigned short mask;
+               if (shift != rshift)
+                       mask = 0x8080;
+               else
+                       mask = 0x8000;
+               snd_ac97_update_bits(ac97, AC97_POWERDOWN, 0x8000,
+                                    (ac97->regs[AC97_MASTER] & mask) == mask ?
+                                    0x8000 : 0);
+       }
+       return err;
+}
+
+static int tune_hp_mute_led(struct snd_ac97 *ac97)
 {
-       switch (quirk) {
-       case AC97_TUNE_NONE:
+       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, 0x8000, 0x8000); /* mute LED on */
+       return 0;
+}
+
+struct quirk_table {
+       const char *name;
+       int (*func)(struct snd_ac97 *);
+};
+
+static 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;
-       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);
+       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;
+       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;
 }
 
@@ -2386,7 +2805,7 @@ static int apply_quirk(ac97_t *ac97, int quirk)
  * 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)
+ * @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".
@@ -2395,24 +2814,28 @@ static int apply_quirk(ac97_t *ac97, int quirk)
  * 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 snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
 {
        int result;
 
-       snd_assert(quirk, return -EINVAL);
-
-       if (override != AC97_TUNE_DEFAULT) {
-               result = apply_quirk(ac97, override);
+       /* quirk overriden? */
+       if (override && strcmp(override, "-1") && strcmp(override, "default")) {
+               result = apply_quirk_str(ac97, override);
                if (result < 0)
-                       snd_printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
+                       snd_printk(KERN_ERR "applying quirk type %s failed (%d)\n", override, result);
                return result;
        }
 
-       for (; quirk->vendor; quirk++) {
-               if (quirk->vendor != ac97->subsystem_vendor)
+       if (! quirk)
+               return -EINVAL;
+
+       for (; quirk->subvendor; quirk++) {
+               if (quirk->subvendor != ac97->subsystem_vendor)
                        continue;
-               if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
-                   quirk->device == (quirk->mask & ac97->subsystem_device)) {
+               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;
                        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)
@@ -2423,27 +2846,7 @@ int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override)
        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