#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
{ 0x1002, "ATI" },
{ 0x1057, "Motorola" },
{ 0x1095, "Silicon Image" },
+ { 0x10de, "Nvidia" },
{ 0x10ec, "Realtek" },
{ 0x1106, "VIA" },
{ 0x111d, "IDT" },
{ 0x14f1, "Conexant" },
{ 0x17e8, "Chrontel" },
{ 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);
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
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
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
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
*start_id = (parm >> 16) & 0x7fff;
return (int)(parm & 0x7fff);
}
+EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
/**
* snd_hda_get_connections - get connection list
}
return conns;
}
+EXPORT_SYMBOL_HDA(snd_hda_get_connections);
/**
unsol->queue[wp] = res;
unsol->queue[wp + 1] = res_ex;
- schedule_work(&unsol->work);
+ queue_work(bus->workq, &unsol->work);
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
/*
* process queued unsolicited events
/*
* 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;
if (!bus)
return 0;
- if (bus->unsol) {
- flush_scheduled_work();
+ if (bus->workq)
+ flush_workqueue(bus->workq);
+ if (bus->unsol)
kfree(bus->unsol);
- }
list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
snd_hda_codec_free(codec);
}
if (bus->ops.private_free)
bus->ops.private_free(bus);
+ if (bus->workq)
+ destroy_workqueue(bus->workq);
kfree(bus);
return 0;
}
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
*
* 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,
};
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);
INIT_LIST_HEAD(&bus->codec_list);
+ snprintf(bus->workq_name, sizeof(bus->workq_name),
+ "hd-audio%d", card->number);
+ bus->workq = create_singlethread_workqueue(bus->workq_name);
+ if (!bus->workq) {
+ snd_printk(KERN_ERR "cannot create workqueue %s\n",
+ bus->workq_name);
+ kfree(bus);
+ return -ENOMEM;
+ }
+
err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
if (err < 0) {
snd_hda_bus_free(bus);
*busp = bus;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_bus_new);
#ifdef CONFIG_SND_HDA_GENERIC
#define is_generic_config(codec) \
#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;
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;
}
/*
* 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;
+ int i, total_nodes, function_id;
hda_nid_t nid;
total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
for (i = 0; i < total_nodes; i++, nid++) {
- unsigned int func;
- func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE);
- switch (func & 0xff) {
+ function_id = snd_hda_param_read(codec, nid,
+ AC_PAR_FUNCTION_TYPE) & 0xff;
+ switch (function_id) {
case AC_GRP_AUDIO_FUNCTION:
codec->afg = nid;
+ codec->function_id = function_id;
break;
case AC_GRP_MODEM_FUNCTION:
codec->mfg = nid;
+ codec->function_id = function_id;
break;
default:
break;
return 0;
}
+/* read all pin default configurations and save codec->init_pins */
+static int read_pin_defaults(struct hda_codec *codec)
+{
+ int i;
+ hda_nid_t nid = codec->start_nid;
+
+ for (i = 0; i < codec->num_nodes; i++, nid++) {
+ struct hda_pincfg *pin;
+ unsigned int wcaps = get_wcaps(codec, nid);
+ unsigned int wid_type = (wcaps & AC_WCAP_TYPE) >>
+ AC_WCAP_TYPE_SHIFT;
+ if (wid_type != AC_WID_PIN)
+ continue;
+ pin = snd_array_new(&codec->init_pins);
+ if (!pin)
+ return -ENOMEM;
+ pin->nid = nid;
+ pin->cfg = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_CONFIG_DEFAULT, 0);
+ }
+ return 0;
+}
+
+/* look up the given pin config list and return the item matching with NID */
+static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
+ struct snd_array *array,
+ hda_nid_t nid)
+{
+ int i;
+ for (i = 0; i < array->used; i++) {
+ struct hda_pincfg *pin = snd_array_elem(array, i);
+ if (pin->nid == nid)
+ return pin;
+ }
+ return NULL;
+}
+
+/* write a config value for the given NID */
+static void set_pincfg(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int cfg)
+{
+ int i;
+ for (i = 0; i < 4; i++) {
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 + i,
+ cfg & 0xff);
+ cfg >>= 8;
+ }
+}
+
+/* set the current pin config value for the given NID.
+ * the value is cached, and read via snd_hda_codec_get_pincfg()
+ */
+int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
+ hda_nid_t nid, unsigned int cfg)
+{
+ struct hda_pincfg *pin;
+ unsigned int oldcfg;
+
+ oldcfg = snd_hda_codec_get_pincfg(codec, nid);
+ pin = look_up_pincfg(codec, list, nid);
+ if (!pin) {
+ pin = snd_array_new(list);
+ if (!pin)
+ return -ENOMEM;
+ pin->nid = nid;
+ }
+ pin->cfg = cfg;
+
+ /* change only when needed; e.g. if the pincfg is already present
+ * in user_pins[], don't write it
+ */
+ cfg = snd_hda_codec_get_pincfg(codec, nid);
+ if (oldcfg != cfg)
+ set_pincfg(codec, nid, cfg);
+ return 0;
+}
+
+int snd_hda_codec_set_pincfg(struct hda_codec *codec,
+ hda_nid_t nid, unsigned int cfg)
+{
+ return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg);
+
+/* get the current pin config value of the given pin NID */
+unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
+{
+ struct hda_pincfg *pin;
+
+#ifdef CONFIG_SND_HDA_HWDEP
+ pin = look_up_pincfg(codec, &codec->user_pins, nid);
+ if (pin)
+ return pin->cfg;
+#endif
+ pin = look_up_pincfg(codec, &codec->driver_pins, nid);
+ if (pin)
+ return pin->cfg;
+ pin = look_up_pincfg(codec, &codec->init_pins, nid);
+ if (pin)
+ return pin->cfg;
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg);
+
+/* restore all current pin configs */
+static void restore_pincfgs(struct hda_codec *codec)
+{
+ int i;
+ for (i = 0; i < codec->init_pins.used; i++) {
+ struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
+ set_pincfg(codec, pin->nid,
+ snd_hda_codec_get_pincfg(codec, pin->nid));
+ }
+}
static void init_hda_cache(struct hda_cache_rec *cache,
unsigned int record_size);
static void free_hda_cache(struct hda_cache_rec *cache);
+/* restore the initial pin cfgs and release all pincfg lists */
+static void restore_init_pincfgs(struct hda_codec *codec)
+{
+ /* first free driver_pins and user_pins, then call restore_pincfg
+ * so that only the values in init_pins are restored
+ */
+ snd_array_free(&codec->driver_pins);
+#ifdef CONFIG_SND_HDA_HWDEP
+ snd_array_free(&codec->user_pins);
+#endif
+ restore_pincfgs(codec);
+ snd_array_free(&codec->init_pins);
+}
+
/*
* codec destructor
*/
{
if (!codec)
return;
+ restore_init_pincfgs(codec);
#ifdef CONFIG_SND_HDA_POWER_SAVE
cancel_delayed_work(&codec->power_work);
- flush_scheduled_work();
+ flush_workqueue(codec->bus->workq);
#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);
}
+static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+ unsigned int power_state);
+
/**
* snd_hda_codec_new - create a HDA codec
* @bus: the bus to assign
*
* 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];
codec->bus = bus;
codec->addr = codec_addr;
mutex_init(&codec->spdif_mutex);
+ mutex_init(&codec->control_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);
+ snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
+ snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
+ 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);
setup_fg_nodes(codec);
if (!codec->afg && !codec->mfg) {
snd_printdd("hda_codec: no AFG or MFG node found\n");
- snd_hda_codec_free(codec);
- return -ENODEV;
+ err = -ENODEV;
+ goto error;
}
- if (read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg) < 0) {
+ err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg);
+ if (err < 0) {
snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
- snd_hda_codec_free(codec);
- return -ENOMEM;
+ goto error;
}
+ err = read_pin_defaults(codec);
+ if (err < 0)
+ goto error;
if (!codec->subsystem_id) {
hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
if (bus->modelname)
codec->modelname = kstrdup(bus->modelname, GFP_KERNEL);
+ /* power-up all before initialization */
+ hda_set_power_state(codec,
+ codec->afg ? codec->afg : codec->mfg,
+ AC_PWRST_D0);
+
+ if (do_init) {
+ err = snd_hda_codec_configure(codec);
+ if (err < 0)
+ goto error;
+ }
+ 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;
+
+ error:
+ snd_hda_codec_free(codec);
+ return err;
+}
+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);
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;
}
/**
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)
{
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
/* FIXME: more better hash key? */
#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
+#define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
#define INFO_AMP_CAPS (1<<0)
#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));
{
u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
u16 cur = cache->hash[idx];
- struct hda_cache_head *info_head = cache->buf.list;
struct hda_cache_head *info;
while (cur != 0xffff) {
- info = &info_head[cur];
+ info = snd_array_elem(&cache->buf, cur);
if (info->key == key)
return info;
cur = info->next;
/* add a new hash entry */
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];
}
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)
info->head.val |= INFO_AMP_CAPS;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
+
+u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
+{
+ struct hda_amp_info *info;
+
+ info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
+ if (!info)
+ return 0;
+ if (!info->head.val) {
+ info->amp_caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+ info->head.val |= INFO_AMP_CAPS;
+ }
+ return info->amp_caps;
+}
+EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
/*
* read the current volume to info
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
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
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 */
}
}
}
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
#endif /* SND_HDA_NEEDS_RESUME */
/* volume */
u16 nid = get_amp_nid(kcontrol);
u8 chs = get_amp_channels(kcontrol);
int dir = get_amp_direction(kcontrol);
+ unsigned int ofs = get_amp_offset(kcontrol);
u32 caps;
caps = query_amp_caps(codec, nid, dir);
kcontrol->id.name);
return -EINVAL;
}
+ if (ofs < caps)
+ caps -= ofs;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = chs == 3 ? 2 : 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = caps;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
+
+
+static inline unsigned int
+read_amp_value(struct hda_codec *codec, hda_nid_t nid,
+ int ch, int dir, int idx, unsigned int ofs)
+{
+ unsigned int val;
+ val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
+ val &= HDA_AMP_VOLMASK;
+ if (val >= ofs)
+ val -= ofs;
+ else
+ val = 0;
+ return val;
+}
+
+static inline int
+update_amp_value(struct hda_codec *codec, hda_nid_t nid,
+ int ch, int dir, int idx, unsigned int ofs,
+ unsigned int val)
+{
+ if (val > 0)
+ val += ofs;
+ return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
+ HDA_AMP_VOLMASK, val);
+}
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
int chs = get_amp_channels(kcontrol);
int dir = get_amp_direction(kcontrol);
int idx = get_amp_index(kcontrol);
+ unsigned int ofs = get_amp_offset(kcontrol);
long *valp = ucontrol->value.integer.value;
if (chs & 1)
- *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx)
- & HDA_AMP_VOLMASK;
+ *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
if (chs & 2)
- *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx)
- & HDA_AMP_VOLMASK;
+ *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
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)
int chs = get_amp_channels(kcontrol);
int dir = get_amp_direction(kcontrol);
int idx = get_amp_index(kcontrol);
+ unsigned int ofs = get_amp_offset(kcontrol);
long *valp = ucontrol->value.integer.value;
int change = 0;
snd_hda_power_up(codec);
if (chs & 1) {
- change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
- 0x7f, *valp);
+ change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
valp++;
}
if (chs & 2)
- change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
- 0x7f, *valp);
+ change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
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)
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
hda_nid_t nid = get_amp_nid(kcontrol);
int dir = get_amp_direction(kcontrol);
+ unsigned int ofs = get_amp_offset(kcontrol);
u32 caps, val1, val2;
if (size < 4 * sizeof(unsigned int))
val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
val2 = (val2 + 1) * 25;
val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
+ val1 += ofs;
val1 = ((int)val1) * ((int)val2);
if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
return -EFAULT;
return -EFAULT;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
/*
* set (static) TLV for virtual master volume; recalculated as max 0dB
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 *
{
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)
*knewp = kctl;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
/* Clear all controls assigned to the given codec */
void snd_hda_ctls_clear(struct hda_codec *codec)
snd_array_free(&codec->mixers);
}
+/* pseudo device locking
+ * toggle card->shutdown to allow/disallow the device access (as a hack)
+ */
+static int hda_lock_devices(struct snd_card *card)
+{
+ spin_lock(&card->files_lock);
+ if (card->shutdown) {
+ spin_unlock(&card->files_lock);
+ return -EINVAL;
+ }
+ card->shutdown = 1;
+ spin_unlock(&card->files_lock);
+ return 0;
+}
+
+static void hda_unlock_devices(struct snd_card *card)
+{
+ spin_lock(&card->files_lock);
+ card->shutdown = 0;
+ spin_unlock(&card->files_lock);
+}
+
+int snd_hda_codec_reset(struct hda_codec *codec)
+{
+ struct snd_card *card = codec->bus->card;
+ int i, pcm;
+
+ if (hda_lock_devices(card) < 0)
+ return -EBUSY;
+ /* check whether the codec isn't used by any mixer or PCM streams */
+ if (!list_empty(&card->ctl_files)) {
+ hda_unlock_devices(card);
+ return -EBUSY;
+ }
+ for (pcm = 0; pcm < codec->num_pcms; pcm++) {
+ struct hda_pcm *cpcm = &codec->pcm_info[pcm];
+ if (!cpcm->pcm)
+ continue;
+ if (cpcm->pcm->streams[0].substream_opened ||
+ cpcm->pcm->streams[1].substream_opened) {
+ hda_unlock_devices(card);
+ return -EBUSY;
+ }
+ }
+
+ /* OK, let it free */
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+ cancel_delayed_work(&codec->power_work);
+ flush_workqueue(codec->bus->workq);
+#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(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));
+ /* free only driver_pins so that init_pins + user_pins are restored */
+ snd_array_free(&codec->driver_pins);
+ restore_pincfgs(codec);
+ codec->num_pcms = 0;
+ codec->pcm_info = NULL;
+ codec->preset = NULL;
+ memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
+ codec->slave_dig_outs = NULL;
+ codec->spdif_status_reset = 0;
+ module_put(codec->owner);
+ codec->owner = NULL;
+
+ /* allow device access again */
+ hda_unlock_devices(card);
+ return 0;
+}
+
/* create a virtual master control and add slaves */
int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
unsigned int *tlv, const char **slaves)
for (s = slaves; *s; s++) {
struct snd_kcontrol *sctl;
-
- sctl = snd_hda_find_mixer_ctl(codec, *s);
- if (!sctl) {
- snd_printdd("Cannot find slave %s, skipped\n", *s);
- continue;
+ int i = 0;
+ for (;;) {
+ sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
+ if (!sctl) {
+ if (!i)
+ snd_printdd("Cannot find slave %s, "
+ "skipped\n", *s);
+ break;
+ }
+ err = snd_ctl_add_slave(kctl, sctl);
+ if (err < 0)
+ return err;
+ i++;
}
- err = snd_ctl_add_slave(kctl, sctl);
- if (err < 0)
- return err;
}
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
/* switch */
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)
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)
snd_hda_power_down(codec);
return change;
}
+EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
/*
* bound volume controls
unsigned long pval;
int err;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
pval = kcontrol->private_value;
kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
kcontrol->private_value = pval;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_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)
unsigned long pval;
int i, indices, err = 0, change = 0;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
pval = kcontrol->private_value;
indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
for (i = 0; i < indices; i++) {
change |= err;
}
kcontrol->private_value = pval;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_mutex);
return err < 0 ? err : change;
}
+EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
/*
* generic bound volume/swtich controls
struct hda_bind_ctls *c;
int err;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
c = (struct hda_bind_ctls *)kcontrol->private_value;
kcontrol->private_value = *c->values;
err = c->ops->info(kcontrol, uinfo);
kcontrol->private_value = (long)c;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_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)
struct hda_bind_ctls *c;
int err;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
c = (struct hda_bind_ctls *)kcontrol->private_value;
kcontrol->private_value = *c->values;
err = c->ops->get(kcontrol, ucontrol);
kcontrol->private_value = (long)c;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_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)
unsigned long *vals;
int err = 0, change = 0;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
c = (struct hda_bind_ctls *)kcontrol->private_value;
for (vals = c->values; *vals; vals++) {
kcontrol->private_value = *vals;
change |= err;
}
kcontrol->private_value = (long)c;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_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)
struct hda_bind_ctls *c;
int err;
- mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */
+ mutex_lock(&codec->control_mutex);
c = (struct hda_bind_ctls *)kcontrol->private_value;
kcontrol->private_value = *c->values;
err = c->ops->tlv(kcontrol, op_flag, size, tlv);
kcontrol->private_value = (long)c;
- mutex_unlock(&codec->spdif_mutex);
+ mutex_unlock(&codec->control_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,
.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,
.put = snd_hda_mixer_amp_switch_put,
.tlv = snd_hda_mixer_amp_tlv
};
+EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
/*
* SPDIF out controls
{
hda_nid_t *d;
- snd_hda_codec_write(codec, nid, 0, verb, val);
+ snd_hda_codec_write_cache(codec, nid, 0, verb, val);
d = codec->slave_dig_outs;
if (!d)
return;
for (; *d; d++)
- snd_hda_codec_write(codec, *d, 0, verb, val);
+ snd_hda_codec_write_cache(codec, *d, 0, verb, val);
}
static inline void set_dig_out_convert(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_hda_ctl_add(codec, kctl);
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
return snd_hda_ctl_add(codec,
snd_ctl_new1(&spdif_share_sw, mout));
}
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
/*
* SPDIF input
}
for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
kctl = snd_ctl_new1(dig_mix, codec);
+ if (!kctl)
+ return -ENOMEM;
kctl->private_value = nid;
err = snd_hda_ctl_add(codec, kctl);
if (err < 0)
AC_DIG1_ENABLE;
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
#ifdef SND_HDA_NEEDS_RESUME
/*
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);
+ u32 key;
+ /* parm may contain the verb stuff for get/set amp */
+ verb = verb | (parm >> 8);
+ parm &= 0xff;
+ key = build_cmd_cache_key(nid, verb);
c = get_alloc_hash(&codec->cmd_cache, key);
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)
get_cmd_cache_cmd(key), buffer->val);
}
}
+EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
/**
* snd_hda_sequence_write_cache - sequence writes with caching
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 */
/*
* don't power down the widget if it controls
* eapd and EAPD_BTLENABLE is set.
*/
- pincap = snd_hda_param_read(codec, nid,
- AC_PAR_PIN_CAP);
+ pincap = snd_hda_query_pin_caps(codec, nid);
if (pincap & AC_PINCAP_EAPD) {
int eapd = snd_hda_codec_read(codec,
nid, 0,
}
}
+#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
hda_set_power_state(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_D0);
+ restore_pincfgs(codec); /* restore all current pin configs */
+ hda_exec_init_verbs(codec);
if (codec->patch_ops.resume)
codec->patch_ops.resume(codec);
else {
*
* 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);
- if (err < 0)
- return err;
+ int err = snd_hda_codec_build_controls(codec);
+ if (err < 0) {
+ printk(KERN_ERR "hda_codec: cannot build controls"
+ "for #%d (error %d)\n", codec->addr, err);
+ err = snd_hda_codec_reset(codec);
+ if (err < 0) {
+ printk(KERN_ERR
+ "hda_codec: cannot revert codec\n");
+ return err;
+ }
+ }
}
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_build_controls);
+int snd_hda_codec_build_controls(struct hda_codec *codec)
+{
+ int err = 0;
+ 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);
+ if (err < 0)
+ return err;
return 0;
}
return val;
}
+EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
/**
* snd_hda_query_supported_pcm - query the supported PCM rates and formats
*
* 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;
- unsigned int val, streams;
+ unsigned int i, val, wcaps;
val = 0;
- if (nid != codec->afg &&
- (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD)) {
+ wcaps = get_wcaps(codec, nid);
+ if (nid != codec->afg && (wcaps & AC_WCAP_FORMAT_OVRD)) {
val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
if (val == -1)
return -EIO;
if (val & (1 << i))
rates |= rate_bits[i].alsa_bits;
}
+ if (rates == 0) {
+ snd_printk(KERN_ERR "hda_codec: rates == 0 "
+ "(nid=0x%x, val=0x%x, ovrd=%i)\n",
+ nid, val,
+ (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
+ return -EIO;
+ }
*ratesp = rates;
}
if (formatsp || bpsp) {
u64 formats = 0;
- unsigned int bps;
- unsigned int wcaps;
+ unsigned int streams, bps;
- wcaps = get_wcaps(codec, nid);
streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
if (streams == -1)
return -EIO;
formats |= SNDRV_PCM_FMTBIT_U8;
bps = 8;
}
+ if (formats == 0) {
+ snd_printk(KERN_ERR "hda_codec: formats == 0 "
+ "(nid=0x%x, val=0x%x, ovrd=%i, "
+ "streams=0x%x)\n",
+ nid, val,
+ (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
+ streams);
+ return -EIO;
+ }
if (formatsp)
*formatsp = formats;
if (bpsp)
return 1;
}
+EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
/*
* PCM stuff
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)
{
+ int err;
+
/* query support PCM information from the given NID */
if (info->nid && (!info->rates || !info->formats)) {
- snd_hda_query_supported_pcm(codec, info->nid,
+ err = snd_hda_query_supported_pcm(codec, info->nid,
info->rates ? NULL : &info->rates,
info->formats ? NULL : &info->formats,
info->maxbps ? NULL : &info->maxbps);
+ if (err < 0)
+ return err;
}
if (info->ops.open == NULL)
info->ops.open = hda_pcm_default_open_close;
}
/*
+ * 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))
+ goto ok;
+ }
+ snd_printk(KERN_WARNING "Too many audio devices\n");
+ return -EAGAIN;
+ 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;
+ }
+ ok:
+ set_bit(dev, bus->pcm_dev_bits);
+ return dev;
+}
+
+/*
* attach a new PCM stream
*/
-static int __devinit
-snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
+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 (!pcm->name)
+ if (snd_BUG_ON(!pcm->name))
return -EINVAL;
for (stream = 0; stream < 2; stream++) {
info = &pcm->stream[stream];
return err;
}
}
- return codec->bus->ops.attach_pcm(codec, pcm);
+ 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) {
+ printk(KERN_ERR "hda_codec: cannot build PCMs"
+ "for #%d (error %d)\n", codec->addr, err);
+ err = snd_hda_codec_reset(codec);
+ if (err < 0) {
+ printk(KERN_ERR
+ "hda_codec: cannot revert codec\n");
+ 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)
+ continue; /* no substreams assigned */
+
+ if (!cpcm->pcm) {
+ dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
+ if (dev < 0)
+ continue; /* no fatal error */
+ cpcm->device = dev;
+ err = snd_hda_attach_pcm(codec, cpcm);
+ if (err < 0) {
+ printk(KERN_ERR "hda_codec: cannot attach "
+ "PCM stream %d for codec #%d\n",
+ dev, codec->addr);
+ continue; /* no fatal error */
+ }
+ }
+ }
+ return 0;
}
/**
*/
int __devinit snd_hda_build_pcms(struct hda_bus *bus)
{
- 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 };
struct hda_codec *codec;
- int num_devs[HDA_PCM_NTYPES];
- memset(num_devs, 0, sizeof(num_devs));
list_for_each_entry(codec, &bus->codec_list, list) {
- unsigned int pcm;
- 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++) {
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
- int type = cpcm->pcm_type;
- switch (type) {
- case HDA_PCM_TYPE_AUDIO:
- if (num_devs[type] >= ARRAY_SIZE(audio_idx)) {
- snd_printk(KERN_WARNING
- "Too many audio devices\n");
- continue;
- }
- cpcm->device = audio_idx[num_devs[type]];
- break;
- case HDA_PCM_TYPE_SPDIF:
- case HDA_PCM_TYPE_HDMI:
- case HDA_PCM_TYPE_MODEM:
- if (num_devs[type]) {
- snd_printk(KERN_WARNING
- "%s already defined\n",
- dev_name[type]);
- continue;
- }
- cpcm->device = dev_idx[type];
- break;
- default:
- snd_printk(KERN_WARNING
- "Invalid PCM type %d\n", type);
- continue;
- }
- num_devs[type]++;
- err = snd_hda_attach_pcm(codec, cpcm);
- 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
}
return -1;
}
+EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
+
+/**
+ * snd_hda_check_board_codec_sid_config - compare the current codec
+ subsystem ID with the
+ config table
+
+ This is important for Gateway notebooks with SB450 HDA Audio
+ where the vendor ID of the PCI device is:
+ ATI Technologies Inc SB450 HDA Audio [1002:437b]
+ and the vendor/subvendor are found only at the codec.
+
+ * @codec: the HDA codec
+ * @num_configs: number of config enums
+ * @models: array of model name strings
+ * @tbl: configuration table, terminated by null entries
+ *
+ * Compares the modelname or PCI subsystem id of the current codec with the
+ * given configuration table. If a matching entry is found, returns its
+ * config value (supposed to be 0 or positive).
+ *
+ * If no entries are matching, the function returns a negative value.
+ */
+int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
+ int num_configs, const char **models,
+ const struct snd_pci_quirk *tbl)
+{
+ const struct snd_pci_quirk *q;
+
+ /* Search for codec ID */
+ for (q = tbl; q->subvendor; q++) {
+ unsigned long vendorid = (q->subdevice) | (q->subvendor << 16);
+
+ if (vendorid == codec->subsystem_id)
+ break;
+ }
+
+ if (!q->subvendor)
+ return -1;
+
+ tbl = q;
+
+ if (tbl->value >= 0 && tbl->value < num_configs) {
+#ifdef CONFIG_SND_DEBUG_DETECT
+ char tmp[10];
+ const char *model = NULL;
+ if (models)
+ model = models[tbl->value];
+ if (!model) {
+ sprintf(tmp, "#%d", tbl->value);
+ model = tmp;
+ }
+ snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
+ "for config %x:%x (%s)\n",
+ model, tbl->subvendor, tbl->subdevice,
+ (tbl->name ? tbl->name : "Unknown device"));
+#endif
+ return tbl->value;
+ }
+ return -1;
+}
+EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config);
/**
* snd_hda_add_new_ctls - create controls from the array
}
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,
{
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;
}
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)
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));
+ queue_delayed_work(codec->bus->workq, &codec->power_work,
+ 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,
}
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
#endif
/*
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,
}
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,
snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
return 1;
}
+EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
/*
* input MUX helper
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,
*cur_val = idx;
return 1;
}
+EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
/*
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,
mutex_unlock(&codec->spdif_mutex);
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
+
+int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
+ struct hda_multi_out *mout)
+{
+ mutex_lock(&codec->spdif_mutex);
+ cleanup_dig_out_stream(codec, mout->dig_out_nid);
+ mutex_unlock(&codec->spdif_mutex);
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup);
/*
* release the digital out
mutex_unlock(&codec->spdif_mutex);
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
/*
* set up more restrictions for analog out
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
}
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
/*
* clean up the setting for analog out
mutex_unlock(&codec->spdif_mutex);
return 0;
}
+EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
/*
* Helper for automatic pin configuration
if (ignore_nids && is_in_nid_list(nid, ignore_nids))
continue;
- def_conf = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_CONFIG_DEFAULT, 0);
+ def_conf = snd_hda_codec_get_pincfg(codec, nid);
if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
continue;
loc = get_defcfg_location(def_conf);
cfg->input_pins[AUTO_PIN_AUX] = nid;
break;
case AC_JACK_SPDIF_OUT:
- cfg->dig_out_pin = nid;
+ case AC_JACK_DIG_OTHER_OUT:
+ if (cfg->dig_outs >= ARRAY_SIZE(cfg->dig_out_pins))
+ continue;
+ cfg->dig_out_pins[cfg->dig_outs] = nid;
+ cfg->dig_out_type[cfg->dig_outs] =
+ (loc == AC_JACK_LOC_HDMI) ?
+ HDA_PCM_TYPE_HDMI : HDA_PCM_TYPE_SPDIF;
+ cfg->dig_outs++;
break;
case AC_JACK_SPDIF_IN:
+ case AC_JACK_DIG_OTHER_IN:
cfg->dig_in_pin = nid;
+ if (loc == AC_JACK_LOC_HDMI)
+ cfg->dig_in_type = HDA_PCM_TYPE_HDMI;
+ else
+ cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
break;
}
}
cfg->hp_pins[1], cfg->hp_pins[2],
cfg->hp_pins[3], cfg->hp_pins[4]);
snd_printd(" mono: mono_out=0x%x\n", cfg->mono_out_pin);
+ if (cfg->dig_outs)
+ snd_printd(" dig-out=0x%x/0x%x\n",
+ cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
" cd=0x%x, aux=0x%x\n",
cfg->input_pins[AUTO_PIN_MIC],
cfg->input_pins[AUTO_PIN_FRONT_LINE],
cfg->input_pins[AUTO_PIN_CD],
cfg->input_pins[AUTO_PIN_AUX]);
+ if (cfg->dig_in_pin)
+ snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin);
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
}
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.
*
}
return 0;
}
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-int snd_hda_codecs_inuse(struct hda_bus *bus)
-{
- struct hda_codec *codec;
-
- list_for_each_entry(codec, &bus->codec_list, list) {
- if (snd_hda_codec_needs_resume(codec))
- return 1;
- }
- return 0;
-}
-#endif
-#endif
+EXPORT_SYMBOL_HDA(snd_hda_resume);
+#endif /* CONFIG_PM */
/*
* generic arrays
{
if (array->used >= array->alloced) {
int num = array->alloced + array->alloc_align;
- void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
+ 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) {
array->list = nlist;
array->alloced = num;
}
- return array->list + (array->used++ * array->elem_size);
+ return snd_array_elem(array, array->used++);
}
+EXPORT_SYMBOL_HDA(snd_array_new);
/* free the given array elements */
void snd_array_free(struct snd_array *array)
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");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff