static LIST_HEAD(card_list);
static LIST_HEAD(dai_list);
static LIST_HEAD(platform_list);
+static LIST_HEAD(codec_list);
static int snd_soc_register_card(struct snd_soc_card *card);
static int snd_soc_unregister_card(struct snd_soc_card *card);
cpu_dai->capture.active = codec_dai->capture.active = 1;
cpu_dai->active = codec_dai->active = 1;
cpu_dai->runtime = runtime;
- socdev->codec->active++;
+ card->codec->active++;
mutex_unlock(&pcm_mutex);
return 0;
struct snd_soc_card *card = container_of(work, struct snd_soc_card,
delayed_work.work);
struct snd_soc_device *socdev = card->socdev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
struct snd_soc_dai *codec_dai;
int i;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0;
mutex_lock(&pcm_mutex);
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *cpu_dai = machine->cpu_dai;
struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
mutex_lock(&pcm_mutex);
struct snd_soc_card *card = socdev->card;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
int i;
/* Due to the resume being scheduled into a workqueue we could
struct snd_soc_device *socdev = card->socdev;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = card->codec;
struct platform_device *pdev = to_platform_device(socdev->dev);
int i;
static int soc_new_pcm(struct snd_soc_device *socdev,
struct snd_soc_dai_link *dai_link, int num)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
struct snd_soc_platform *platform = card->platform;
struct snd_soc_dai *codec_dai = dai_link->codec_dai;
struct snd_soc_dai *cpu_dai = dai_link->cpu_dai;
rtd->dai = dai_link;
rtd->socdev = socdev;
- codec_dai->codec = socdev->codec;
+ codec_dai->codec = card->codec;
/* check client and interface hw capabilities */
sprintf(new_name, "%s %s-%d", dai_link->stream_name, codec_dai->name,
}
/* codec register dump */
-static ssize_t soc_codec_reg_show(struct snd_soc_device *devdata, char *buf)
+static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf)
{
- struct snd_soc_codec *codec = devdata->codec;
int i, step = 1, count = 0;
if (!codec->reg_cache_size)
struct device_attribute *attr, char *buf)
{
struct snd_soc_device *devdata = dev_get_drvdata(dev);
- return soc_codec_reg_show(devdata, buf);
+ return soc_codec_reg_show(devdata->card->codec, buf);
}
static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
{
ssize_t ret;
struct snd_soc_codec *codec = file->private_data;
- struct device *card_dev = codec->card->dev;
- struct snd_soc_device *devdata = card_dev->driver_data;
char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- ret = soc_codec_reg_show(devdata, buf);
+ ret = soc_codec_reg_show(codec, buf);
if (ret >= 0)
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
/**
* snd_soc_new_pcms - create new sound card and pcms
* @socdev: the SoC audio device
+ * @idx: ALSA card index
+ * @xid: card identification
*
* Create a new sound card based upon the codec and interface pcms.
*
*/
int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
- int ret = 0, i;
+ struct snd_soc_codec *codec = card->codec;
+ int ret, i;
mutex_lock(&codec->mutex);
/* register a sound card */
- codec->card = snd_card_new(idx, xid, codec->owner, 0);
- if (!codec->card) {
+ ret = snd_card_create(idx, xid, codec->owner, 0, &codec->card);
+ if (ret < 0) {
printk(KERN_ERR "asoc: can't create sound card for codec %s\n",
codec->name);
mutex_unlock(&codec->mutex);
- return -ENODEV;
+ return ret;
}
codec->card->dev = socdev->dev;
*/
int snd_soc_init_card(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = card->codec;
int ret = 0, i, ac97 = 0, err = 0;
for (i = 0; i < card->num_links; i++) {
mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
- if (ac97) {
+ /* Only instantiate AC97 if not already done by the adaptor
+ * for the generic AC97 subsystem.
+ */
+ if (ac97 && strcmp(codec->name, "AC97") != 0) {
ret = soc_ac97_dev_register(codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
- soc_init_codec_debugfs(socdev->codec);
+ soc_init_codec_debugfs(codec);
mutex_unlock(&codec->mutex);
out:
*/
void snd_soc_free_pcms(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
#ifdef CONFIG_SND_SOC_AC97_BUS
struct snd_soc_dai *codec_dai;
int i;
#endif
mutex_lock(&codec->mutex);
- soc_cleanup_codec_debugfs(socdev->codec);
+ soc_cleanup_codec_debugfs(codec);
#ifdef CONFIG_SND_SOC_AC97_BUS
for (i = 0; i < codec->num_dai; i++) {
codec_dai = &codec->dai[i];
* snd_soc_cnew - create new control
* @_template: control template
* @data: control private data
- * @lnng_name: control long name
+ * @long_name: control long name
*
* Create a new mixer control from a template control.
*
EXPORT_SYMBOL_GPL(snd_soc_cnew);
/**
+ * snd_soc_add_controls - add an array of controls to a codec.
+ * Convienience function to add a list of controls. Many codecs were
+ * duplicating this code.
+ *
+ * @codec: codec to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_controls(struct snd_soc_codec *codec,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = codec->card;
+ int err, i;
+
+ for (i = 0; i < num_controls; i++) {
+ const struct snd_kcontrol_new *control = &controls[i];
+ err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
+ if (err < 0) {
+ dev_err(codec->dev, "%s: Failed to add %s\n",
+ codec->name, control->name);
+ return err;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_controls);
+
+/**
* snd_soc_info_enum_double - enumerated double mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
/**
* snd_soc_get_enum_double - enumerated double mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a double enumerated mixer.
*
/**
* snd_soc_put_enum_double - enumerated double mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a double enumerated mixer.
*
EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
/**
+ * snd_soc_get_value_enum_double - semi enumerated double mixer get callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to get the value of a double semi enumerated mixer.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short reg_val, val, mux;
+
+ reg_val = snd_soc_read(codec, e->reg);
+ val = (reg_val >> e->shift_l) & e->mask;
+ for (mux = 0; mux < e->max; mux++) {
+ if (val == e->values[mux])
+ break;
+ }
+ ucontrol->value.enumerated.item[0] = mux;
+ if (e->shift_l != e->shift_r) {
+ val = (reg_val >> e->shift_r) & e->mask;
+ for (mux = 0; mux < e->max; mux++) {
+ if (val == e->values[mux])
+ break;
+ }
+ ucontrol->value.enumerated.item[1] = mux;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double);
+
+/**
+ * snd_soc_put_value_enum_double - semi enumerated double mixer put callback
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Callback to set the value of a double semi enumerated mixer.
+ *
+ * Semi enumerated mixer: the enumerated items are referred as values. Can be
+ * used for handling bitfield coded enumeration for example.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val;
+ unsigned short mask;
+
+ if (ucontrol->value.enumerated.item[0] > e->max - 1)
+ return -EINVAL;
+ val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
+ mask = e->mask << e->shift_l;
+ if (e->shift_l != e->shift_r) {
+ if (ucontrol->value.enumerated.item[1] > e->max - 1)
+ return -EINVAL;
+ val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
+ mask |= e->mask << e->shift_r;
+ }
+
+ return snd_soc_update_bits(codec, e->reg, mask, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
+
+/**
* snd_soc_info_enum_ext - external enumerated single mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
/**
* snd_soc_get_volsw - single mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a single mixer control.
*
/**
* snd_soc_put_volsw - single mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a single mixer control.
*
/**
* snd_soc_get_volsw_2r - double mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a double mixer control that spans 2 registers.
*
/**
* snd_soc_put_volsw_2r - double mixer set callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a double mixer control that spans 2 registers.
*
/**
* snd_soc_get_volsw_s8 - signed mixer get callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to get the value of a signed mixer control.
*
/**
* snd_soc_put_volsw_sgn - signed mixer put callback
* @kcontrol: mixer control
- * @uinfo: control element information
+ * @ucontrol: control element information
*
* Callback to set the value of a signed mixer control.
*
/**
* snd_soc_dai_set_clkdiv - configure DAI clock dividers.
* @dai: DAI
- * @clk_id: DAI specific clock divider ID
+ * @div_id: DAI specific clock divider ID
* @div: new clock divisor.
*
* Configures the clock dividers. This is used to derive the best DAI bit and
/**
* snd_soc_register_card - Register a card with the ASoC core
*
- * @param card Card to register
+ * @card: Card to register
*
* Note that currently this is an internal only function: it will be
* exposed to machine drivers after further backporting of ASoC v2
/**
* snd_soc_unregister_card - Unregister a card with the ASoC core
*
- * @param card Card to unregister
+ * @card: Card to unregister
*
* Note that currently this is an internal only function: it will be
* exposed to machine drivers after further backporting of ASoC v2
/**
* snd_soc_register_dai - Register a DAI with the ASoC core
*
- * @param dai DAI to register
+ * @dai: DAI to register
*/
int snd_soc_register_dai(struct snd_soc_dai *dai)
{
/**
* snd_soc_unregister_dai - Unregister a DAI from the ASoC core
*
- * @param dai DAI to unregister
+ * @dai: DAI to unregister
*/
void snd_soc_unregister_dai(struct snd_soc_dai *dai)
{
/**
* snd_soc_register_dais - Register multiple DAIs with the ASoC core
*
- * @param dai Array of DAIs to register
- * @param count Number of DAIs
+ * @dai: Array of DAIs to register
+ * @count: Number of DAIs
*/
int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
{
/**
* snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
*
- * @param dai Array of DAIs to unregister
- * @param count Number of DAIs
+ * @dai: Array of DAIs to unregister
+ * @count: Number of DAIs
*/
void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
{
/**
* snd_soc_register_platform - Register a platform with the ASoC core
*
- * @param platform platform to register
+ * @platform: platform to register
*/
int snd_soc_register_platform(struct snd_soc_platform *platform)
{
/**
* snd_soc_unregister_platform - Unregister a platform from the ASoC core
*
- * @param platform platform to unregister
+ * @platform: platform to unregister
*/
void snd_soc_unregister_platform(struct snd_soc_platform *platform)
{
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
+/**
+ * snd_soc_register_codec - Register a codec with the ASoC core
+ *
+ * @codec: codec to register
+ */
+int snd_soc_register_codec(struct snd_soc_codec *codec)
+{
+ if (!codec->name)
+ return -EINVAL;
+
+ /* The device should become mandatory over time */
+ if (!codec->dev)
+ printk(KERN_WARNING "No device for codec %s\n", codec->name);
+
+ INIT_LIST_HEAD(&codec->list);
+
+ mutex_lock(&client_mutex);
+ list_add(&codec->list, &codec_list);
+ snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Registered codec '%s'\n", codec->name);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_codec);
+
+/**
+ * snd_soc_unregister_codec - Unregister a codec from the ASoC core
+ *
+ * @codec: codec to unregister
+ */
+void snd_soc_unregister_codec(struct snd_soc_codec *codec)
+{
+ mutex_lock(&client_mutex);
+ list_del(&codec->list);
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Unregistered codec '%s'\n", codec->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
+
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff