Merge branch 'topic/hda' into to-push

1 files changed, 605 insertions, 176 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index eb9164176dab..e16cf63821ae 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -31,15 +31,6 @@
 #include <sound/initval.h>
 #include "hda_local.h"
 #include <sound/hda_hwdep.h>
-#include "hda_patch.h"  /* codec presets */
-
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-/* define this option here to hide as static */
-static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
-module_param(power_save, int, 0644);
-MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
-                 "(in second, 0 = disable).");
-#endif
 
 /*
  * vendor / preset table
@@ -55,6 +46,7 @@ static struct hda_vendor_id hda_vendor_ids[] = {
         { 0x1002, "ATI" },
         { 0x1057, "Motorola" },
         { 0x1095, "Silicon Image" },
+        { 0x10de, "Nvidia" },
         { 0x10ec, "Realtek" },
         { 0x1106, "VIA" },
         { 0x111d, "IDT" },
@@ -66,40 +58,31 @@ static struct hda_vendor_id hda_vendor_ids[] = {
         { 0x1854, "LG" },
         { 0x1aec, "Wolfson Microelectronics" },
         { 0x434d, "C-Media" },
+        { 0x8086, "Intel" },
         { 0x8384, "SigmaTel" },
         {} /* terminator */
 };
 
-static const struct hda_codec_preset *hda_preset_tables[] = {
-#ifdef CONFIG_SND_HDA_CODEC_REALTEK
-        snd_hda_preset_realtek,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_CMEDIA
-        snd_hda_preset_cmedia,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_ANALOG
-        snd_hda_preset_analog,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
-        snd_hda_preset_sigmatel,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_SI3054
-        snd_hda_preset_si3054,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
-        snd_hda_preset_atihdmi,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_CONEXANT
-        snd_hda_preset_conexant,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_VIA
-        snd_hda_preset_via,
-#endif
-#ifdef CONFIG_SND_HDA_CODEC_NVHDMI
-        snd_hda_preset_nvhdmi,
-#endif
-        NULL
-};
+static DEFINE_MUTEX(preset_mutex);
+static LIST_HEAD(hda_preset_tables);
+
+int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
+{
+        mutex_lock(&preset_mutex);
+        list_add_tail(&preset->list, &hda_preset_tables);
+        mutex_unlock(&preset_mutex);
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
+
+int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
+{
+        mutex_lock(&preset_mutex);
+        list_del(&preset->list);
+        mutex_unlock(&preset_mutex);
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 static void hda_power_work(struct work_struct *work);
@@ -108,6 +91,72 @@ static void hda_keep_power_on(struct hda_codec *codec);
 static inline void hda_keep_power_on(struct hda_codec *codec) {}
 #endif
 
+const char *snd_hda_get_jack_location(u32 cfg)
+{
+        static char *bases[7] = {
+                "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
+        };
+        static unsigned char specials_idx[] = {
+                0x07, 0x08,
+                0x17, 0x18, 0x19,
+                0x37, 0x38
+        };
+        static char *specials[] = {
+                "Rear Panel", "Drive Bar",
+                "Riser", "HDMI", "ATAPI",
+                "Mobile-In", "Mobile-Out"
+        };
+        int i;
+        cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
+        if ((cfg & 0x0f) < 7)
+                return bases[cfg & 0x0f];
+        for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
+                if (cfg == specials_idx[i])
+                        return specials[i];
+        }
+        return "UNKNOWN";
+}
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
+
+const char *snd_hda_get_jack_connectivity(u32 cfg)
+{
+        static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
+
+        return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
+}
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
+
+const char *snd_hda_get_jack_type(u32 cfg)
+{
+        static char *jack_types[16] = {
+                "Line Out", "Speaker", "HP Out", "CD",
+                "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
+                "Line In", "Aux", "Mic", "Telephony",
+                "SPDIF In", "Digitial In", "Reserved", "Other"
+        };
+
+        return jack_types[(cfg & AC_DEFCFG_DEVICE)
+                                >> AC_DEFCFG_DEVICE_SHIFT];
+}
+EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
+
+/*
+ * Compose a 32bit command word to be sent to the HD-audio controller
+ */
+static inline unsigned int
+make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
+               unsigned int verb, unsigned int parm)
+{
+        u32 val;
+
+        val = (u32)(codec->addr & 0x0f) << 28;
+        val |= (u32)direct << 27;
+        val |= (u32)nid << 20;
+        val |= verb << 8;
+        val |= parm;
+        return val;
+}
+
 /**
  * snd_hda_codec_read - send a command and get the response
  * @codec: the HDA codec
@@ -124,17 +173,21 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
                                 int direct,
                                 unsigned int verb, unsigned int parm)
 {
+        struct hda_bus *bus = codec->bus;
         unsigned int res;
+
+        res = make_codec_cmd(codec, nid, direct, verb, parm);
         snd_hda_power_up(codec);
-        mutex_lock(&codec->bus->cmd_mutex);
-        if (!codec->bus->ops.command(codec, nid, direct, verb, parm))
-                res = codec->bus->ops.get_response(codec);
+        mutex_lock(&bus->cmd_mutex);
+        if (!bus->ops.command(bus, res))
+                res = bus->ops.get_response(bus);
         else
                 res = (unsigned int)-1;
-        mutex_unlock(&codec->bus->cmd_mutex);
+        mutex_unlock(&bus->cmd_mutex);
         snd_hda_power_down(codec);
         return res;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_read);
 
 /**
  * snd_hda_codec_write - send a single command without waiting for response
@@ -151,14 +204,19 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
                          unsigned int verb, unsigned int parm)
 {
+        struct hda_bus *bus = codec->bus;
+        unsigned int res;
         int err;
+
+        res = make_codec_cmd(codec, nid, direct, verb, parm);
         snd_hda_power_up(codec);
-        mutex_lock(&codec->bus->cmd_mutex);
-        err = codec->bus->ops.command(codec, nid, direct, verb, parm);
-        mutex_unlock(&codec->bus->cmd_mutex);
+        mutex_lock(&bus->cmd_mutex);
+        err = bus->ops.command(bus, res);
+        mutex_unlock(&bus->cmd_mutex);
         snd_hda_power_down(codec);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_write);
 
 /**
  * snd_hda_sequence_write - sequence writes
@@ -173,6 +231,7 @@ void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
         for (; seq->nid; seq++)
                 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
 }
+EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
 
 /**
  * snd_hda_get_sub_nodes - get the range of sub nodes
@@ -194,6 +253,7 @@ int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
         *start_id = (parm >> 16) & 0x7fff;
         return (int)(parm & 0x7fff);
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
 
 /**
  * snd_hda_get_connections - get connection list
@@ -282,6 +342,7 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
         }
         return conns;
 }
+EXPORT_SYMBOL_HDA(snd_hda_get_connections);
 
 
 /**
@@ -316,6 +377,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
 
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
 
 /*
  * process queued unsolicited events
@@ -345,7 +407,7 @@ static void process_unsol_events(struct work_struct *work)
 /*
  * initialize unsolicited queue
  */
-static int __devinit init_unsol_queue(struct hda_bus *bus)
+static int init_unsol_queue(struct hda_bus *bus)
 {
         struct hda_bus_unsolicited *unsol;
 
@@ -391,9 +453,24 @@ static int snd_hda_bus_free(struct hda_bus *bus)
 static int snd_hda_bus_dev_free(struct snd_device *device)
 {
         struct hda_bus *bus = device->device_data;
+        bus->shutdown = 1;
         return snd_hda_bus_free(bus);
 }
 
+#ifdef CONFIG_SND_HDA_HWDEP
+static int snd_hda_bus_dev_register(struct snd_device *device)
+{
+        struct hda_bus *bus = device->device_data;
+        struct hda_codec *codec;
+        list_for_each_entry(codec, &bus->codec_list, list) {
+                snd_hda_hwdep_add_sysfs(codec);
+        }
+        return 0;
+}
+#else
+#define snd_hda_bus_dev_register        NULL
+#endif
+
 /**
  * snd_hda_bus_new - create a HDA bus
  * @card: the card entry
@@ -402,13 +479,14 @@ static int snd_hda_bus_dev_free(struct snd_device *device)
  *
  * Returns 0 if successful, or a negative error code.
  */
-int __devinit snd_hda_bus_new(struct snd_card *card,
+int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
                               const struct hda_bus_template *temp,
                               struct hda_bus **busp)
 {
         struct hda_bus *bus;
         int err;
         static struct snd_device_ops dev_ops = {
+                .dev_register = snd_hda_bus_dev_register,
                 .dev_free = snd_hda_bus_dev_free,
         };
 
@@ -430,6 +508,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
         bus->private_data = temp->private_data;
         bus->pci = temp->pci;
         bus->modelname = temp->modelname;
+        bus->power_save = temp->power_save;
         bus->ops = temp->ops;
 
         mutex_init(&bus->cmd_mutex);
@@ -444,27 +523,42 @@ int __devinit snd_hda_bus_new(struct snd_card *card,
                 *busp = bus;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_bus_new);
 
 #ifdef CONFIG_SND_HDA_GENERIC
 #define is_generic_config(codec) \
-        (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic"))
+        (codec->modelname && !strcmp(codec->modelname, "generic"))
 #else
 #define is_generic_config(codec)        0
 #endif
 
+#ifdef MODULE
+#define HDA_MODREQ_MAX_COUNT    2       /* two request_modules()'s */
+#else
+#define HDA_MODREQ_MAX_COUNT    0       /* all presets are statically linked */
+#endif
+
 /*
  * find a matching codec preset
  */
-static const struct hda_codec_preset __devinit *
+static const struct hda_codec_preset *
 find_codec_preset(struct hda_codec *codec)
 {
-        const struct hda_codec_preset **tbl, *preset;
+        struct hda_codec_preset_list *tbl;
+        const struct hda_codec_preset *preset;
+        int mod_requested = 0;
 
         if (is_generic_config(codec))
                 return NULL; /* use the generic parser */
 
-        for (tbl = hda_preset_tables; *tbl; tbl++) {
-                for (preset = *tbl; preset->id; preset++) {
+ again:
+        mutex_lock(&preset_mutex);
+        list_for_each_entry(tbl, &hda_preset_tables, list) {
+                if (!try_module_get(tbl->owner)) {
+                        snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
+                        continue;
+                }
+                for (preset = tbl->preset; preset->id; preset++) {
                         u32 mask = preset->mask;
                         if (preset->afg && preset->afg != codec->afg)
                                 continue;
@@ -474,23 +568,40 @@ find_codec_preset(struct hda_codec *codec)
                                 mask = ~0;
                         if (preset->id == (codec->vendor_id & mask) &&
                             (!preset->rev ||
-                             preset->rev == codec->revision_id))
+                             preset->rev == codec->revision_id)) {
+                                mutex_unlock(&preset_mutex);
+                                codec->owner = tbl->owner;
                                 return preset;
+                        }
                 }
+                module_put(tbl->owner);
+        }
+        mutex_unlock(&preset_mutex);
+
+        if (mod_requested < HDA_MODREQ_MAX_COUNT) {
+                char name[32];
+                if (!mod_requested)
+                        snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
+                                 codec->vendor_id);
+                else
+                        snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
+                                 (codec->vendor_id >> 16) & 0xffff);
+                request_module(name);
+                mod_requested++;
+                goto again;
         }
         return NULL;
 }
 
 /*
- * snd_hda_get_codec_name - store the codec name
+ * get_codec_name - store the codec name
  */
-void snd_hda_get_codec_name(struct hda_codec *codec,
-                            char *name, int namelen)
+static int get_codec_name(struct hda_codec *codec)
 {
         const struct hda_vendor_id *c;
         const char *vendor = NULL;
         u16 vendor_id = codec->vendor_id >> 16;
-        char tmp[16];
+        char tmp[16], name[32];
 
         for (c = hda_vendor_ids; c->id; c++) {
                 if (c->id == vendor_id) {
@@ -503,16 +614,21 @@ void snd_hda_get_codec_name(struct hda_codec *codec,
                 vendor = tmp;
         }
         if (codec->preset && codec->preset->name)
-                snprintf(name, namelen, "%s %s", vendor, codec->preset->name);
+                snprintf(name, sizeof(name), "%s %s", vendor,
+                         codec->preset->name);
         else
-                snprintf(name, namelen, "%s ID %x", vendor,
+                snprintf(name, sizeof(name), "%s ID %x", vendor,
                          codec->vendor_id & 0xffff);
+        codec->name = kstrdup(name, GFP_KERNEL);
+        if (!codec->name)
+                return -ENOMEM;
+        return 0;
 }
 
 /*
  * look for an AFG and MFG nodes
  */
-static void __devinit setup_fg_nodes(struct hda_codec *codec)
+static void /*__devinit*/ setup_fg_nodes(struct hda_codec *codec)
 {
         int i, total_nodes;
         hda_nid_t nid;
@@ -571,11 +687,15 @@ static void snd_hda_codec_free(struct hda_codec *codec)
         flush_scheduled_work();
 #endif
         list_del(&codec->list);
+        snd_array_free(&codec->mixers);
         codec->bus->caddr_tbl[codec->addr] = NULL;
         if (codec->patch_ops.free)
                 codec->patch_ops.free(codec);
+        module_put(codec->owner);
         free_hda_cache(&codec->amp_cache);
         free_hda_cache(&codec->cmd_cache);
+        kfree(codec->name);
+        kfree(codec->modelname);
         kfree(codec->wcaps);
         kfree(codec);
 }
@@ -588,8 +708,8 @@ static void snd_hda_codec_free(struct hda_codec *codec)
  *
  * Returns 0 if successful, or a negative error code.
  */
-int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
-                                struct hda_codec **codecp)
+int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
+                                    int do_init, struct hda_codec **codecp)
 {
         struct hda_codec *codec;
         char component[31];
@@ -617,6 +737,14 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
         mutex_init(&codec->spdif_mutex);
         init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
         init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
+        snd_array_init(&codec->mixers, sizeof(struct snd_kcontrol *), 32);
+        if (codec->bus->modelname) {
+                codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
+                if (!codec->modelname) {
+                        snd_hda_codec_free(codec);
+                        return -ENODEV;
+                }
+        }
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
@@ -662,12 +790,44 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
                         snd_hda_codec_read(codec, nid, 0,
                                            AC_VERB_GET_SUBSYSTEM_ID, 0);
         }
+        if (bus->modelname)
+                codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
+
+        if (do_init) {
+                err = snd_hda_codec_configure(codec);
+                if (err < 0) {
+                        snd_hda_codec_free(codec);
+                        return err;
+                }
+        }
+        snd_hda_codec_proc_new(codec);
+
+        snd_hda_create_hwdep(codec);
+
+        sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
+                codec->subsystem_id, codec->revision_id);
+        snd_component_add(codec->bus->card, component);
+
+        if (codecp)
+                *codecp = codec;
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_new);
+
+int snd_hda_codec_configure(struct hda_codec *codec)
+{
+        int err;
 
         codec->preset = find_codec_preset(codec);
+        if (!codec->name) {
+                err = get_codec_name(codec);
+                if (err < 0)
+                        return err;
+        }
         /* audio codec should override the mixer name */
-        if (codec->afg || !*bus->card->mixername)
-                snd_hda_get_codec_name(codec, bus->card->mixername,
-                                       sizeof(bus->card->mixername));
+        if (codec->afg || !*codec->bus->card->mixername)
+                strlcpy(codec->bus->card->mixername, codec->name,
+                        sizeof(codec->bus->card->mixername));
 
         if (is_generic_config(codec)) {
                 err = snd_hda_parse_generic_codec(codec);
@@ -684,25 +844,9 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
                 printk(KERN_ERR "hda-codec: No codec parser is available\n");
 
  patched:
-        if (err < 0) {
-                snd_hda_codec_free(codec);
-                return err;
-        }
-
-        if (codec->patch_ops.unsol_event)
-                init_unsol_queue(bus);
-
-        snd_hda_codec_proc_new(codec);
-#ifdef CONFIG_SND_HDA_HWDEP
-        snd_hda_create_hwdep(codec);
-#endif
-
-        sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
-        snd_component_add(codec->bus->card, component);
-
-        if (codecp)
-                *codecp = codec;
-        return 0;
+        if (!err && codec->patch_ops.unsol_event)
+                err = init_unsol_queue(codec->bus);
+        return err;
 }
 
 /**
@@ -728,6 +872,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
         msleep(1);
         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
 
 void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 {
@@ -741,6 +886,7 @@ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
 #endif
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
 
 /*
  * amp access functions
@@ -752,17 +898,17 @@ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
 #define INFO_AMP_VOL(ch)        (1 << (1 + (ch)))
 
 /* initialize the hash table */
-static void __devinit init_hda_cache(struct hda_cache_rec *cache,
+static void /*__devinit*/ init_hda_cache(struct hda_cache_rec *cache,
                                      unsigned int record_size)
 {
         memset(cache, 0, sizeof(*cache));
         memset(cache->hash, 0xff, sizeof(cache->hash));
-        cache->record_size = record_size;
+        snd_array_init(&cache->buf, record_size, 64);
 }
 
 static void free_hda_cache(struct hda_cache_rec *cache)
 {
-        kfree(cache->buffer);
+        snd_array_free(&cache->buf);
 }
 
 /* query the hash.  allocate an entry if not found. */
@@ -774,35 +920,17 @@ static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
         struct hda_cache_head *info;
 
         while (cur != 0xffff) {
-                info = (struct hda_cache_head *)(cache->buffer +
-                                                 cur * cache->record_size);
+                info = snd_array_elem(&cache->buf, cur);
                 if (info->key == key)
                         return info;
                 cur = info->next;
         }
 
         /* add a new hash entry */
-        if (cache->num_entries >= cache->size) {
-                /* reallocate the array */
-                unsigned int new_size = cache->size + 64;
-                void *new_buffer;
-                new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL);
-                if (!new_buffer) {
-                        snd_printk(KERN_ERR "hda_codec: "
-                                   "can't malloc amp_info\n");
-                        return NULL;
-                }
-                if (cache->buffer) {
-                        memcpy(new_buffer, cache->buffer,
-                               cache->size * cache->record_size);
-                        kfree(cache->buffer);
-                }
-                cache->size = new_size;
-                cache->buffer = new_buffer;
-        }
-        cur = cache->num_entries++;
-        info = (struct hda_cache_head *)(cache->buffer +
-                                         cur * cache->record_size);
+        info = snd_array_new(&cache->buf);
+        if (!info)
+                return NULL;
+        cur = snd_array_index(&cache->buf, info);
         info->key = key;
         info->val = 0;
         info->next = cache->hash[idx];
@@ -840,6 +968,7 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
         }
         return info->amp_caps;
 }
+EXPORT_SYMBOL_HDA(query_amp_caps);
 
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
                               unsigned int caps)
@@ -853,6 +982,7 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
         info->head.val |= INFO_AMP_CAPS;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
 
 /*
  * read the current volume to info
@@ -906,6 +1036,7 @@ int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
                 return 0;
         return get_vol_mute(codec, info, nid, ch, direction, index);
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
 
 /*
  * update the AMP value, mask = bit mask to set, val = the value
@@ -925,6 +1056,7 @@ int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
         put_vol_mute(codec, info, nid, ch, direction, idx, val);
         return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
 
 /*
  * update the AMP stereo with the same mask and value
@@ -938,15 +1070,16 @@ int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
                                                 idx, mask, val);
         return ret;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
 
 #ifdef SND_HDA_NEEDS_RESUME
 /* resume the all amp commands from the cache */
 void snd_hda_codec_resume_amp(struct hda_codec *codec)
 {
-        struct hda_amp_info *buffer = codec->amp_cache.buffer;
+        struct hda_amp_info *buffer = codec->amp_cache.buf.list;
         int i;
 
-        for (i = 0; i < codec->amp_cache.size; i++, buffer++) {
+        for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
                 u32 key = buffer->head.key;
                 hda_nid_t nid;
                 unsigned int idx, dir, ch;
@@ -963,6 +1096,7 @@ void snd_hda_codec_resume_amp(struct hda_codec *codec)
                 }
         }
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
 #endif /* SND_HDA_NEEDS_RESUME */
 
 /* volume */
@@ -990,6 +1124,7 @@ int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
         uinfo->value.integer.max = caps;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
 
 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
@@ -1009,6 +1144,7 @@ int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
                         & HDA_AMP_VOLMASK;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
 
 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
@@ -1033,6 +1169,7 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
         snd_hda_power_down(codec);
         return change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
 
 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
                           unsigned int size, unsigned int __user *_tlv)
@@ -1059,6 +1196,7 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
                 return -EFAULT;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
 
 /*
  * set (static) TLV for virtual master volume; recalculated as max 0dB
@@ -1078,6 +1216,7 @@ void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
         tlv[2] = -nums * step;
         tlv[3] = step;
 }
+EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
 
 /* find a mixer control element with the given name */
 static struct snd_kcontrol *
@@ -1097,6 +1236,69 @@ struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 {
         return _snd_hda_find_mixer_ctl(codec, name, 0);
 }
+EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
+
+/* Add a control element and assign to the codec */
+int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl)
+{
+        int err;
+        struct snd_kcontrol **knewp;
+
+        err = snd_ctl_add(codec->bus->card, kctl);
+        if (err < 0)
+                return err;
+        knewp = snd_array_new(&codec->mixers);
+        if (!knewp)
+                return -ENOMEM;
+        *knewp = kctl;
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
+
+#ifdef CONFIG_SND_HDA_RECONFIG
+/* Clear all controls assigned to the given codec */
+void snd_hda_ctls_clear(struct hda_codec *codec)
+{
+        int i;
+        struct snd_kcontrol **kctls = codec->mixers.list;
+        for (i = 0; i < codec->mixers.used; i++)
+                snd_ctl_remove(codec->bus->card, kctls[i]);
+        snd_array_free(&codec->mixers);
+}
+
+void snd_hda_codec_reset(struct hda_codec *codec)
+{
+        int i;
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+        cancel_delayed_work(&codec->power_work);
+        flush_scheduled_work();
+#endif
+        snd_hda_ctls_clear(codec);
+        /* relase PCMs */
+        for (i = 0; i < codec->num_pcms; i++) {
+                if (codec->pcm_info[i].pcm) {
+                        snd_device_free(codec->bus->card,
+                                        codec->pcm_info[i].pcm);
+                        clear_bit(codec->pcm_info[i].device,
+                                  codec->bus->pcm_dev_bits);
+                }
+        }
+        if (codec->patch_ops.free)
+                codec->patch_ops.free(codec);
+        codec->proc_widget_hook = NULL;
+        codec->spec = NULL;
+        free_hda_cache(&codec->amp_cache);
+        free_hda_cache(&codec->cmd_cache);
+        init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
+        init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
+        codec->num_pcms = 0;
+        codec->pcm_info = NULL;
+        codec->preset = NULL;
+        module_put(codec->owner);
+        codec->owner = NULL;
+}
+#endif /* CONFIG_SND_HDA_RECONFIG */
 
 /* create a virtual master control and add slaves */
 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
@@ -1115,7 +1317,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
         kctl = snd_ctl_make_virtual_master(name, tlv);
         if (!kctl)
                 return -ENOMEM;
-        err = snd_ctl_add(codec->bus->card, kctl);
+        err = snd_hda_ctl_add(codec, kctl);
         if (err < 0)
                 return err;
         
@@ -1133,6 +1335,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
 
 /* switch */
 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
@@ -1146,6 +1349,7 @@ int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
         uinfo->value.integer.max = 1;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
 
 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
@@ -1165,6 +1369,7 @@ int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
                          HDA_AMP_MUTE) ? 0 : 1;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
 
 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
@@ -1195,6 +1400,7 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
         snd_hda_power_down(codec);
         return change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
 
 /*
  * bound volume controls
@@ -1220,6 +1426,7 @@ int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
         mutex_unlock(&codec->spdif_mutex);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
 
 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
@@ -1243,6 +1450,7 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
         mutex_unlock(&codec->spdif_mutex);
         return err < 0 ? err : change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
 
 /*
  * generic bound volume/swtich controls
@@ -1262,6 +1470,7 @@ int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
         mutex_unlock(&codec->spdif_mutex);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
 
 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
@@ -1278,6 +1487,7 @@ int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
         mutex_unlock(&codec->spdif_mutex);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
 
 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
@@ -1300,6 +1510,7 @@ int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
         mutex_unlock(&codec->spdif_mutex);
         return err < 0 ? err : change;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
 
 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
                            unsigned int size, unsigned int __user *tlv)
@@ -1316,6 +1527,7 @@ int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
         mutex_unlock(&codec->spdif_mutex);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
 
 struct hda_ctl_ops snd_hda_bind_vol = {
         .info = snd_hda_mixer_amp_volume_info,
@@ -1323,6 +1535,7 @@ struct hda_ctl_ops snd_hda_bind_vol = {
         .put = snd_hda_mixer_amp_volume_put,
         .tlv = snd_hda_mixer_amp_tlv
 };
+EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
 
 struct hda_ctl_ops snd_hda_bind_sw = {
         .info = snd_hda_mixer_amp_switch_info,
@@ -1330,6 +1543,7 @@ struct hda_ctl_ops snd_hda_bind_sw = {
         .put = snd_hda_mixer_amp_switch_put,
         .tlv = snd_hda_mixer_amp_tlv
 };
+EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
 
 /*
  * SPDIF out controls
@@ -1577,9 +1791,11 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
         }
         for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
                 kctl = snd_ctl_new1(dig_mix, codec);
+                if (!kctl)
+                        return -ENOMEM;
                 kctl->id.index = idx;
                 kctl->private_value = nid;
-                err = snd_ctl_add(codec->bus->card, kctl);
+                err = snd_hda_ctl_add(codec, kctl);
                 if (err < 0)
                         return err;
         }
@@ -1589,6 +1805,7 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid)
         codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_out_ctls);
 
 /*
  * SPDIF sharing with analog output
@@ -1623,9 +1840,10 @@ int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
         if (!mout->dig_out_nid)
                 return 0;
         /* ATTENTION: here mout is passed as private_data, instead of codec */
-        return snd_ctl_add(codec->bus->card,
+        return snd_hda_ctl_add(codec,
                            snd_ctl_new1(&spdif_share_sw, mout));
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
 
 /*
  * SPDIF input
@@ -1725,7 +1943,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
                 kctl = snd_ctl_new1(dig_mix, codec);
                 kctl->private_value = nid;
-                err = snd_ctl_add(codec->bus->card, kctl);
+                err = snd_hda_ctl_add(codec, kctl);
                 if (err < 0)
                         return err;
         }
@@ -1735,6 +1953,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
                 AC_DIG1_ENABLE;
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
 
 #ifdef SND_HDA_NEEDS_RESUME
 /*
@@ -1761,10 +1980,14 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
                               int direct, unsigned int verb, unsigned int parm)
 {
+        struct hda_bus *bus = codec->bus;
+        unsigned int res;
         int err;
+
+        res = make_codec_cmd(codec, nid, direct, verb, parm);
         snd_hda_power_up(codec);
-        mutex_lock(&codec->bus->cmd_mutex);
-        err = codec->bus->ops.command(codec, nid, direct, verb, parm);
+        mutex_lock(&bus->cmd_mutex);
+        err = bus->ops.command(bus, res);
         if (!err) {
                 struct hda_cache_head *c;
                 u32 key = build_cmd_cache_key(nid, verb);
@@ -1772,18 +1995,19 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
                 if (c)
                         c->val = parm;
         }
-        mutex_unlock(&codec->bus->cmd_mutex);
+        mutex_unlock(&bus->cmd_mutex);
         snd_hda_power_down(codec);
         return err;
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
 
 /* resume the all commands from the cache */
 void snd_hda_codec_resume_cache(struct hda_codec *codec)
 {
-        struct hda_cache_head *buffer = codec->cmd_cache.buffer;
+        struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
         int i;
 
-        for (i = 0; i < codec->cmd_cache.size; i++, buffer++) {
+        for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
                 u32 key = buffer->key;
                 if (!key)
                         continue;
@@ -1791,6 +2015,7 @@ void snd_hda_codec_resume_cache(struct hda_codec *codec)
                                     get_cmd_cache_cmd(key), buffer->val);
         }
 }
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
 
 /**
  * snd_hda_sequence_write_cache - sequence writes with caching
@@ -1808,6 +2033,7 @@ void snd_hda_sequence_write_cache(struct hda_codec *codec,
                 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
                                           seq->param);
 }
+EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
 #endif /* SND_HDA_NEEDS_RESUME */
 
 /*
@@ -1868,6 +2094,17 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
         }
 }
 
+#ifdef CONFIG_SND_HDA_HWDEP
+/* execute additional init verbs */
+static void hda_exec_init_verbs(struct hda_codec *codec)
+{
+        if (codec->init_verbs.list)
+                snd_hda_sequence_write(codec, codec->init_verbs.list);
+}
+#else
+static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
+#endif
+
 #ifdef SND_HDA_NEEDS_RESUME
 /*
  * call suspend and power-down; used both from PM and power-save
@@ -1894,6 +2131,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
         hda_set_power_state(codec,
                             codec->afg ? codec->afg : codec->mfg,
                             AC_PWRST_D0);
+        hda_exec_init_verbs(codec);
         if (codec->patch_ops.resume)
                 codec->patch_ops.resume(codec);
         else {
@@ -1914,28 +2152,37 @@ static void hda_call_codec_resume(struct hda_codec *codec)
  *
  * Returns 0 if successful, otherwise a negative error code.
  */
-int __devinit snd_hda_build_controls(struct hda_bus *bus)
+int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
 {
         struct hda_codec *codec;
 
         list_for_each_entry(codec, &bus->codec_list, list) {
-                int err = 0;
-                /* fake as if already powered-on */
-                hda_keep_power_on(codec);
-                /* then fire up */
-                hda_set_power_state(codec,
-                                    codec->afg ? codec->afg : codec->mfg,
-                                    AC_PWRST_D0);
-                /* continue to initialize... */
-                if (codec->patch_ops.init)
-                        err = codec->patch_ops.init(codec);
-                if (!err && codec->patch_ops.build_controls)
-                        err = codec->patch_ops.build_controls(codec);
-                snd_hda_power_down(codec);
+                int err = snd_hda_codec_build_controls(codec);
                 if (err < 0)
                         return err;
         }
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_build_controls);
 
+int snd_hda_codec_build_controls(struct hda_codec *codec)
+{
+        int err = 0;
+        /* fake as if already powered-on */
+        hda_keep_power_on(codec);
+        /* then fire up */
+        hda_set_power_state(codec,
+                            codec->afg ? codec->afg : codec->mfg,
+                            AC_PWRST_D0);
+        hda_exec_init_verbs(codec);
+        /* continue to initialize... */
+        if (codec->patch_ops.init)
+                err = codec->patch_ops.init(codec);
+        if (!err && codec->patch_ops.build_controls)
+                err = codec->patch_ops.build_controls(codec);
+        snd_hda_power_down(codec);
+        if (err < 0)
+                return err;
         return 0;
 }
 
@@ -2028,6 +2275,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 
         return val;
 }
+EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
 
 /**
  * snd_hda_query_supported_pcm - query the supported PCM rates and formats
@@ -2042,7 +2290,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
  *
  * Returns 0 if successful, otherwise a negative error code.
  */
-int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
 {
         int i;
@@ -2207,6 +2455,7 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 
         return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
 
 /*
  * PCM stuff
@@ -2236,8 +2485,8 @@ static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
         return 0;
 }
 
-static int __devinit set_pcm_default_values(struct hda_codec *codec,
-                                            struct hda_pcm_stream *info)
+static int set_pcm_default_values(struct hda_codec *codec,
+                                  struct hda_pcm_stream *info)
 {
         /* query support PCM information from the given NID */
         if (info->nid && (!info->rates || !info->formats)) {
@@ -2263,6 +2512,110 @@ static int __devinit set_pcm_default_values(struct hda_codec *codec,
         return 0;
 }
 
+/*
+ * get the empty PCM device number to assign
+ */
+static int get_empty_pcm_device(struct hda_bus *bus, int type)
+{
+        static const char *dev_name[HDA_PCM_NTYPES] = {
+                "Audio", "SPDIF", "HDMI", "Modem"
+        };
+        /* starting device index for each PCM type */
+        static int dev_idx[HDA_PCM_NTYPES] = {
+                [HDA_PCM_TYPE_AUDIO] = 0,
+                [HDA_PCM_TYPE_SPDIF] = 1,
+                [HDA_PCM_TYPE_HDMI] = 3,
+                [HDA_PCM_TYPE_MODEM] = 6
+        };
+        /* normal audio device indices; not linear to keep compatibility */
+        static int audio_idx[4] = { 0, 2, 4, 5 };
+        int i, dev;
+
+        switch (type) {
+        case HDA_PCM_TYPE_AUDIO:
+                for (i = 0; i < ARRAY_SIZE(audio_idx); i++) {
+                        dev = audio_idx[i];
+                        if (!test_bit(dev, bus->pcm_dev_bits))
+                                break;
+                }
+                if (i >= ARRAY_SIZE(audio_idx)) {
+                        snd_printk(KERN_WARNING "Too many audio devices\n");
+                        return -EAGAIN;
+                }
+                break;
+        case HDA_PCM_TYPE_SPDIF:
+        case HDA_PCM_TYPE_HDMI:
+        case HDA_PCM_TYPE_MODEM:
+                dev = dev_idx[type];
+                if (test_bit(dev, bus->pcm_dev_bits)) {
+                        snd_printk(KERN_WARNING "%s already defined\n",
+                                   dev_name[type]);
+                        return -EAGAIN;
+                }
+                break;
+        default:
+                snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
+                return -EINVAL;
+        }
+        set_bit(dev, bus->pcm_dev_bits);
+        return dev;
+}
+
+/*
+ * attach a new PCM stream
+ */
+static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
+{
+        struct hda_bus *bus = codec->bus;
+        struct hda_pcm_stream *info;
+        int stream, err;
+
+        if (snd_BUG_ON(!pcm->name))
+                return -EINVAL;
+        for (stream = 0; stream < 2; stream++) {
+                info = &pcm->stream[stream];
+                if (info->substreams) {
+                        err = set_pcm_default_values(codec, info);
+                        if (err < 0)
+                                return err;
+                }
+        }
+        return bus->ops.attach_pcm(bus, codec, pcm);
+}
+
+/* assign all PCMs of the given codec */
+int snd_hda_codec_build_pcms(struct hda_codec *codec)
+{
+        unsigned int pcm;
+        int err;
+
+        if (!codec->num_pcms) {
+                if (!codec->patch_ops.build_pcms)
+                        return 0;
+                err = codec->patch_ops.build_pcms(codec);
+                if (err < 0)
+                        return err;
+        }
+        for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+                struct hda_pcm *cpcm = &codec->pcm_info[pcm];
+                int dev;
+
+                if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
+                        return 0; /* no substreams assigned */
+
+                if (!cpcm->pcm) {
+                        dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
+                        if (dev < 0)
+                                return 0;
+                        cpcm->device = dev;
+                        err = snd_hda_attach_pcm(codec, cpcm);
+                        if (err < 0)
+                                return err;
+                }
+        }
+        return 0;
+}
+
 /**
  * snd_hda_build_pcms - build PCM information
  * @bus: the BUS
@@ -2294,27 +2647,13 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus)
         struct hda_codec *codec;
 
         list_for_each_entry(codec, &bus->codec_list, list) {
-                unsigned int pcm, s;
-                int err;
-                if (!codec->patch_ops.build_pcms)
-                        continue;
-                err = codec->patch_ops.build_pcms(codec);
+                int err = snd_hda_codec_build_pcms(codec);
                 if (err < 0)
                         return err;
-                for (pcm = 0; pcm < codec->num_pcms; pcm++) {
-                        for (s = 0; s < 2; s++) {
-                                struct hda_pcm_stream *info;
-                                info = &codec->pcm_info[pcm].stream[s];
-                                if (!info->substreams)
-                                        continue;
-                                err = set_pcm_default_values(codec, info);
-                                if (err < 0)
-                                        return err;
-                        }
-                }
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
 
 /**
  * snd_hda_check_board_config - compare the current codec with the config table
@@ -2333,11 +2672,11 @@ int snd_hda_check_board_config(struct hda_codec *codec,
                                int num_configs, const char **models,
                                const struct snd_pci_quirk *tbl)
 {
-        if (codec->bus->modelname && models) {
+        if (codec->modelname && models) {
                 int i;
                 for (i = 0; i < num_configs; i++) {
                         if (models[i] &&
-                            !strcmp(codec->bus->modelname, models[i])) {
+                            !strcmp(codec->modelname, models[i])) {
                                 snd_printd(KERN_INFO "hda_codec: model '%s' is "
                                            "selected\n", models[i]);
                                 return i;
@@ -2370,6 +2709,7 @@ int snd_hda_check_board_config(struct hda_codec *codec,
         }
         return -1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
 
 /**
  * snd_hda_add_new_ctls - create controls from the array
@@ -2390,7 +2730,7 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
                 kctl = snd_ctl_new1(knew, codec);
                 if (!kctl)
                         return -ENOMEM;
-                err = snd_ctl_add(codec->bus->card, kctl);
+                err = snd_hda_ctl_add(codec, kctl);
                 if (err < 0) {
                         if (!codec->addr)
                                 return err;
@@ -2398,13 +2738,14 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew)
                         if (!kctl)
                                 return -ENOMEM;
                         kctl->id.device = codec->addr;
-                        err = snd_ctl_add(codec->bus->card, kctl);
+                        err = snd_hda_ctl_add(codec, kctl);
                         if (err < 0)
                                 return err;
                 }
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
 static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
@@ -2414,6 +2755,7 @@ static void hda_power_work(struct work_struct *work)
 {
         struct hda_codec *codec =
                 container_of(work, struct hda_codec, power_work.work);
+        struct hda_bus *bus = codec->bus;
 
         if (!codec->power_on || codec->power_count) {
                 codec->power_transition = 0;
@@ -2421,8 +2763,8 @@ static void hda_power_work(struct work_struct *work)
         }
 
         hda_call_codec_suspend(codec);
-        if (codec->bus->ops.pm_notify)
-                codec->bus->ops.pm_notify(codec);
+        if (bus->ops.pm_notify)
+                bus->ops.pm_notify(bus);
 }
 
 static void hda_keep_power_on(struct hda_codec *codec)
@@ -2433,29 +2775,39 @@ static void hda_keep_power_on(struct hda_codec *codec)
 
 void snd_hda_power_up(struct hda_codec *codec)
 {
+        struct hda_bus *bus = codec->bus;
+
         codec->power_count++;
         if (codec->power_on || codec->power_transition)
                 return;
 
         codec->power_on = 1;
-        if (codec->bus->ops.pm_notify)
-                codec->bus->ops.pm_notify(codec);
+        if (bus->ops.pm_notify)
+                bus->ops.pm_notify(bus);
         hda_call_codec_resume(codec);
         cancel_delayed_work(&codec->power_work);
         codec->power_transition = 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_power_up);
+
+#define power_save(codec)       \
+        ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
+
+#define power_save(codec)       \
+        ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
 
 void snd_hda_power_down(struct hda_codec *codec)
 {
         --codec->power_count;
         if (!codec->power_on || codec->power_count || codec->power_transition)
                 return;
-        if (power_save) {
+        if (power_save(codec)) {
                 codec->power_transition = 1; /* avoid reentrance */
                 schedule_delayed_work(&codec->power_work,
-                                      msecs_to_jiffies(power_save * 1000));
+                                msecs_to_jiffies(power_save(codec) * 1000));
         }
 }
+EXPORT_SYMBOL_HDA(snd_hda_power_down);
 
 int snd_hda_check_amp_list_power(struct hda_codec *codec,
                                  struct hda_loopback_check *check,
@@ -2492,6 +2844,7 @@ int snd_hda_check_amp_list_power(struct hda_codec *codec,
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
 #endif
 
 /*
@@ -2511,6 +2864,7 @@ int snd_hda_ch_mode_info(struct hda_codec *codec,
                 chmode[uinfo->value.enumerated.item].channels);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
 
 int snd_hda_ch_mode_get(struct hda_codec *codec,
                         struct snd_ctl_elem_value *ucontrol,
@@ -2528,6 +2882,7 @@ int snd_hda_ch_mode_get(struct hda_codec *codec,
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
 
 int snd_hda_ch_mode_put(struct hda_codec *codec,
                         struct snd_ctl_elem_value *ucontrol,
@@ -2548,6 +2903,7 @@ int snd_hda_ch_mode_put(struct hda_codec *codec,
                 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
         return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
 
 /*
  * input MUX helper
@@ -2568,6 +2924,7 @@ int snd_hda_input_mux_info(const struct hda_input_mux *imux,
         strcpy(uinfo->value.enumerated.name, imux->items[index].label);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
 
 int snd_hda_input_mux_put(struct hda_codec *codec,
                           const struct hda_input_mux *imux,
@@ -2589,6 +2946,7 @@ int snd_hda_input_mux_put(struct hda_codec *codec,
         *cur_val = idx;
         return 1;
 }
+EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
 
 
 /*
@@ -2641,6 +2999,7 @@ int snd_hda_multi_out_dig_open(struct hda_codec *codec,
         mutex_unlock(&codec->spdif_mutex);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
 
 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
                                   struct hda_multi_out *mout,
@@ -2653,6 +3012,7 @@ int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
         mutex_unlock(&codec->spdif_mutex);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
 
 /*
  * release the digital out
@@ -2665,6 +3025,7 @@ int snd_hda_multi_out_dig_close(struct hda_codec *codec,
         mutex_unlock(&codec->spdif_mutex);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
 
 /*
  * set up more restrictions for analog out
@@ -2704,6 +3065,7 @@ int snd_hda_multi_out_analog_open(struct hda_codec *codec,
         return snd_pcm_hw_constraint_step(substream->runtime, 0,
                                           SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
 
 /*
  * set up the i/o for analog out
@@ -2762,6 +3124,7 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
 
 /*
  * clean up the setting for analog out
@@ -2788,6 +3151,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
         mutex_unlock(&codec->spdif_mutex);
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
 
 /*
  * Helper for automatic pin configuration
@@ -3073,11 +3437,13 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
 
 /* labels for input pins */
 const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
         "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
 };
+EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
 
 
 #ifdef CONFIG_PM
@@ -3105,11 +3471,11 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state)
         }
         return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_suspend);
 
 /**
  * snd_hda_resume - resume the codecs
  * @bus: the HDA bus
- * @state: resume state
  *
  * Returns 0 if successful.
  *
@@ -3126,16 +3492,79 @@ int snd_hda_resume(struct hda_bus *bus)
         }
         return 0;
 }
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-int snd_hda_codecs_inuse(struct hda_bus *bus)
-{
-        struct hda_codec *codec;
+EXPORT_SYMBOL_HDA(snd_hda_resume);
+#endif /* CONFIG_PM */
 
-        list_for_each_entry(codec, &bus->codec_list, list) {
-                if (snd_hda_codec_needs_resume(codec))
-                        return 1;
+/*
+ * generic arrays
+ */
+
+/* get a new element from the given array
+ * if it exceeds the pre-allocated array size, re-allocate the array
+ */
+void *snd_array_new(struct snd_array *array)
+{
+        if (array->used >= array->alloced) {
+                int num = array->alloced + array->alloc_align;
+                void *nlist;
+                if (snd_BUG_ON(num >= 4096))
+                        return NULL;
+                nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
+                if (!nlist)
+                        return NULL;
+                if (array->list) {
+                        memcpy(nlist, array->list,
+                               array->elem_size * array->alloced);
+                        kfree(array->list);
+                }
+                array->list = nlist;
+                array->alloced = num;
         }
-        return 0;
+        return snd_array_elem(array, array->used++);
 }
-#endif
-#endif
+EXPORT_SYMBOL_HDA(snd_array_new);
+
+/* free the given array elements */
+void snd_array_free(struct snd_array *array)
+{
+        kfree(array->list);
+        array->used = 0;
+        array->alloced = 0;
+        array->list = NULL;
+}
+EXPORT_SYMBOL_HDA(snd_array_free);
+
+/*
+ * used by hda_proc.c and hda_eld.c
+ */
+void snd_print_pcm_rates(int pcm, char *buf, int buflen)
+{
+        static unsigned int rates[] = {
+                8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
+                96000, 176400, 192000, 384000
+        };
+        int i, j;
+
+        for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
+                if (pcm & (1 << i))
+                        j += snprintf(buf + j, buflen - j,  " %d", rates[i]);
+
+        buf[j] = '\0'; /* necessary when j == 0 */
+}
+EXPORT_SYMBOL_HDA(snd_print_pcm_rates);
+
+void snd_print_pcm_bits(int pcm, char *buf, int buflen)
+{
+        static unsigned int bits[] = { 8, 16, 20, 24, 32 };
+        int i, j;
+
+        for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
+                if (pcm & (AC_SUPPCM_BITS_8 << i))
+                        j += snprintf(buf + j, buflen - j,  " %d", bits[i]);
+
+        buf[j] = '\0'; /* necessary when j == 0 */
+}
+EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
+
+MODULE_DESCRIPTION("HDA codec core");
+MODULE_LICENSE("GPL");