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-rw-r--r--include/linux/mfd/mc13xxx.h7
-rw-r--r--include/linux/platform_data/davinci_asp.h2
-rw-r--r--include/linux/thinkpad_acpi.h15
-rw-r--r--include/sound/ak4114.h4
-rw-r--r--include/sound/compress_driver.h9
-rw-r--r--include/sound/cs42l52.h2
-rw-r--r--include/sound/cs42l73.h22
-rw-r--r--include/sound/dmaengine_pcm.h8
-rw-r--r--include/sound/memalloc.h5
-rw-r--r--include/sound/rcar_snd.h1
-rw-r--r--include/sound/soc-dai.h17
-rw-r--r--include/sound/soc-dapm.h4
-rw-r--r--include/sound/soc.h100
-rw-r--r--include/trace/events/asoc.h1
-rw-r--r--include/uapi/sound/Kbuild1
-rw-r--r--include/uapi/sound/asound.h3
-rw-r--r--include/uapi/sound/firewire.h51
17 files changed, 180 insertions, 72 deletions
diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h
index 41ed59276c00..67c17b5a6f44 100644
--- a/include/linux/mfd/mc13xxx.h
+++ b/include/linux/mfd/mc13xxx.h
@@ -41,6 +41,13 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx,
unsigned int mode, unsigned int channel,
u8 ato, bool atox, unsigned int *sample);
+#define MC13783_AUDIO_RX0 36
+#define MC13783_AUDIO_RX1 37
+#define MC13783_AUDIO_TX 38
+#define MC13783_SSI_NETWORK 39
+#define MC13783_AUDIO_CODEC 40
+#define MC13783_AUDIO_DAC 41
+
#define MC13XXX_IRQ_ADCDONE 0
#define MC13XXX_IRQ_ADCBISDONE 1
#define MC13XXX_IRQ_TS 2
diff --git a/include/linux/platform_data/davinci_asp.h b/include/linux/platform_data/davinci_asp.h
index 8db5ae03b6e3..689a856b86f9 100644
--- a/include/linux/platform_data/davinci_asp.h
+++ b/include/linux/platform_data/davinci_asp.h
@@ -84,6 +84,8 @@ struct snd_platform_data {
u8 version;
u8 txnumevt;
u8 rxnumevt;
+ int tx_dma_channel;
+ int rx_dma_channel;
};
enum {
diff --git a/include/linux/thinkpad_acpi.h b/include/linux/thinkpad_acpi.h
new file mode 100644
index 000000000000..361de59a2285
--- /dev/null
+++ b/include/linux/thinkpad_acpi.h
@@ -0,0 +1,15 @@
+#ifndef __THINKPAD_ACPI_H__
+#define __THINKPAD_ACPI_H__
+
+/* These two functions return 0 if success, or negative error code
+ (e g -ENODEV if no led present) */
+
+enum {
+ TPACPI_LED_MUTE,
+ TPACPI_LED_MICMUTE,
+ TPACPI_LED_MAX,
+};
+
+int tpacpi_led_set(int whichled, bool on);
+
+#endif
diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 3ce69fd92523..52f02a60dba7 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -170,7 +170,7 @@ struct ak4114 {
void * private_data;
unsigned int init: 1;
spinlock_t lock;
- unsigned char regmap[7];
+ unsigned char regmap[6];
unsigned char txcsb[5];
struct snd_kcontrol *kctls[AK4114_CONTROLS];
struct snd_pcm_substream *playback_substream;
@@ -189,7 +189,7 @@ struct ak4114 {
int snd_ak4114_create(struct snd_card *card,
ak4114_read_t *read, ak4114_write_t *write,
- const unsigned char pgm[7], const unsigned char txcsb[5],
+ const unsigned char pgm[6], const unsigned char txcsb[5],
void *private_data, struct ak4114 **r_ak4114);
void snd_ak4114_reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char mask, unsigned char val);
void snd_ak4114_reinit(struct ak4114 *ak4114);
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 9031a26249b5..ae6c3b8ed2f5 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -171,4 +171,13 @@ static inline void snd_compr_fragment_elapsed(struct snd_compr_stream *stream)
wake_up(&stream->runtime->sleep);
}
+static inline void snd_compr_drain_notify(struct snd_compr_stream *stream)
+{
+ if (snd_BUG_ON(!stream))
+ return;
+
+ stream->runtime->state = SNDRV_PCM_STATE_SETUP;
+ wake_up(&stream->runtime->sleep);
+}
+
#endif
diff --git a/include/sound/cs42l52.h b/include/sound/cs42l52.h
index 4c68955f7330..7c2be4a51894 100644
--- a/include/sound/cs42l52.h
+++ b/include/sound/cs42l52.h
@@ -31,6 +31,8 @@ struct cs42l52_platform_data {
/* Charge Pump Freq. Check datasheet Pg73 */
unsigned int chgfreq;
+ /* Reset GPIO */
+ unsigned int reset_gpio;
};
#endif /* __CS42L52_H */
diff --git a/include/sound/cs42l73.h b/include/sound/cs42l73.h
new file mode 100644
index 000000000000..f354be4cdc9e
--- /dev/null
+++ b/include/sound/cs42l73.h
@@ -0,0 +1,22 @@
+/*
+ * linux/sound/cs42l73.h -- Platform data for CS42L73
+ *
+ * Copyright (c) 2012 Cirrus Logic Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __CS42L73_H
+#define __CS42L73_H
+
+struct cs42l73_platform_data {
+ /* RST GPIO */
+ unsigned int reset_gpio;
+ unsigned int chgfreq;
+ int jack_detection;
+ unsigned int mclk_freq;
+};
+
+#endif /* __CS42L73_H */
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index f11c35cd5532..15017311f2e9 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -61,6 +61,8 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
* @slave_id: Slave requester id for the DMA channel.
* @filter_data: Custom DMA channel filter data, this will usually be used when
* requesting the DMA channel.
+ * @chan_name: Custom channel name to use when requesting DMA channel.
+ * @fifo_size: FIFO size of the DAI controller in bytes
*/
struct snd_dmaengine_dai_dma_data {
dma_addr_t addr;
@@ -68,6 +70,8 @@ struct snd_dmaengine_dai_dma_data {
u32 maxburst;
unsigned int slave_id;
void *filter_data;
+ const char *chan_name;
+ unsigned int fifo_size;
};
void snd_dmaengine_pcm_set_config_from_dai_data(
@@ -96,6 +100,10 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
* playback.
*/
#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
+/*
+ * The PCM streams have custom channel names specified.
+ */
+#define SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME BIT(4)
/**
* struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM
diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h
index cf15b8213df7..af9983970417 100644
--- a/include/sound/memalloc.h
+++ b/include/sound/memalloc.h
@@ -52,6 +52,11 @@ struct snd_dma_device {
#else
#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
#endif
+#ifdef CONFIG_GENERIC_ALLOCATOR
+#define SNDRV_DMA_TYPE_DEV_IRAM 4 /* generic device iram-buffer */
+#else
+#define SNDRV_DMA_TYPE_DEV_IRAM SNDRV_DMA_TYPE_DEV
+#endif
/*
* info for buffer allocation
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
index fb0a312bcb81..12afab18945d 100644
--- a/include/sound/rcar_snd.h
+++ b/include/sound/rcar_snd.h
@@ -36,7 +36,6 @@
#define RSND_SSI_CLK_PIN_SHARE (1 << 31)
#define RSND_SSI_CLK_FROM_ADG (1 << 30) /* clock parent is master */
#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */
-#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */
#define RSND_SSI_PLAY (1 << 24)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index ae9a227d35d3..800c101bb096 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -105,6 +105,8 @@ int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
+int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);
+
/* Digital Audio interface formatting */
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
@@ -131,6 +133,7 @@ struct snd_soc_dai_ops {
int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out);
int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
+ int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
/*
* DAI format configuration
@@ -166,6 +169,13 @@ struct snd_soc_dai_ops {
struct snd_soc_dai *);
int (*prepare)(struct snd_pcm_substream *,
struct snd_soc_dai *);
+ /*
+ * NOTE: Commands passed to the trigger function are not necessarily
+ * compatible with the current state of the dai. For example this
+ * sequence of commands is possible: START STOP STOP.
+ * So do not unconditionally use refcounting functions in the trigger
+ * function, e.g. clk_enable/disable.
+ */
int (*trigger)(struct snd_pcm_substream *, int,
struct snd_soc_dai *);
int (*bespoke_trigger)(struct snd_pcm_substream *, int,
@@ -276,6 +286,13 @@ static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
dai->capture_dma_data = data;
}
+static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
+ void *playback, void *capture)
+{
+ dai->playback_dma_data = playback;
+ dai->capture_dma_data = capture;
+}
+
static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
void *data)
{
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 27a72d5d4b00..2037c45adfe6 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -286,6 +286,8 @@ struct device;
.info = snd_soc_info_volsw, \
.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) }
+#define SOC_DAPM_SINGLE_VIRT(xname, max) \
+ SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0)
#define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_volsw, \
@@ -300,6 +302,8 @@ struct device;
.tlv.p = (tlv_array), \
.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
+#define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \
+ SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array)
#define SOC_DAPM_ENUM(xname, xenum) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_enum_double, \
diff --git a/include/sound/soc.h b/include/sound/soc.h
index d22cb0a06feb..1f741cb24f33 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -13,6 +13,7 @@
#ifndef __LINUX_SND_SOC_H
#define __LINUX_SND_SOC_H
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/notifier.h>
@@ -330,7 +331,6 @@ struct soc_enum;
struct snd_soc_jack;
struct snd_soc_jack_zone;
struct snd_soc_jack_pin;
-struct snd_soc_cache_ops;
#include <sound/soc-dapm.h>
#include <sound/soc-dpcm.h>
@@ -348,10 +348,6 @@ enum snd_soc_control_type {
SND_SOC_REGMAP,
};
-enum snd_soc_compress_type {
- SND_SOC_FLAT_COMPRESSION = 1,
-};
-
enum snd_soc_pcm_subclass {
SND_SOC_PCM_CLASS_PCM = 0,
SND_SOC_PCM_CLASS_BE = 1,
@@ -369,6 +365,7 @@ int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
int snd_soc_register_card(struct snd_soc_card *card);
int snd_soc_unregister_card(struct snd_soc_card *card);
+int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
int snd_soc_suspend(struct device *dev);
int snd_soc_resume(struct device *dev);
int snd_soc_poweroff(struct device *dev);
@@ -386,6 +383,9 @@ void snd_soc_unregister_codec(struct device *dev);
int snd_soc_register_component(struct device *dev,
const struct snd_soc_component_driver *cmpnt_drv,
struct snd_soc_dai_driver *dai_drv, int num_dai);
+int devm_snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv, int num_dai);
void snd_soc_unregister_component(struct device *dev);
int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
unsigned int reg);
@@ -403,12 +403,6 @@ int snd_soc_cache_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value);
int snd_soc_cache_read(struct snd_soc_codec *codec,
unsigned int reg, unsigned int *value);
-int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
- unsigned int reg);
-int snd_soc_default_readable_register(struct snd_soc_codec *codec,
- unsigned int reg);
-int snd_soc_default_writable_register(struct snd_soc_codec *codec,
- unsigned int reg);
int snd_soc_platform_read(struct snd_soc_platform *platform,
unsigned int reg);
int snd_soc_platform_write(struct snd_soc_platform *platform,
@@ -542,22 +536,6 @@ int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
/**
- * struct snd_soc_reg_access - Describes whether a given register is
- * readable, writable or volatile.
- *
- * @reg: the register number
- * @read: whether this register is readable
- * @write: whether this register is writable
- * @vol: whether this register is volatile
- */
-struct snd_soc_reg_access {
- u16 reg;
- u16 read;
- u16 write;
- u16 vol;
-};
-
-/**
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
*
* @pin: name of the pin to update
@@ -657,17 +635,26 @@ struct snd_soc_compr_ops {
int (*trigger)(struct snd_compr_stream *);
};
-/* SoC cache ops */
-struct snd_soc_cache_ops {
+/* component interface */
+struct snd_soc_component_driver {
+ const char *name;
+
+ /* DT */
+ int (*of_xlate_dai_name)(struct snd_soc_component *component,
+ struct of_phandle_args *args,
+ const char **dai_name);
+};
+
+struct snd_soc_component {
const char *name;
- enum snd_soc_compress_type id;
- int (*init)(struct snd_soc_codec *codec);
- int (*exit)(struct snd_soc_codec *codec);
- int (*read)(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int *value);
- int (*write)(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value);
- int (*sync)(struct snd_soc_codec *codec);
+ int id;
+ struct device *dev;
+ struct list_head list;
+
+ struct snd_soc_dai_driver *dai_drv;
+ int num_dai;
+
+ const struct snd_soc_component_driver *driver;
};
/* SoC Audio Codec device */
@@ -683,8 +670,6 @@ struct snd_soc_codec {
struct list_head list;
struct list_head card_list;
int num_dai;
- enum snd_soc_compress_type compress_type;
- size_t reg_size; /* reg_cache_size * reg_word_size */
int (*volatile_register)(struct snd_soc_codec *, unsigned int);
int (*readable_register)(struct snd_soc_codec *, unsigned int);
int (*writable_register)(struct snd_soc_codec *, unsigned int);
@@ -708,13 +693,13 @@ struct snd_soc_codec {
unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
unsigned int (*read)(struct snd_soc_codec *, unsigned int);
int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
- int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t);
void *reg_cache;
- const void *reg_def_copy;
- const struct snd_soc_cache_ops *cache_ops;
struct mutex cache_rw_mutex;
int val_bytes;
+ /* component */
+ struct snd_soc_component component;
+
/* dapm */
struct snd_soc_dapm_context dapm;
unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
@@ -733,6 +718,7 @@ struct snd_soc_codec_driver {
int (*remove)(struct snd_soc_codec *);
int (*suspend)(struct snd_soc_codec *);
int (*resume)(struct snd_soc_codec *);
+ struct snd_soc_component_driver component_driver;
/* Default control and setup, added after probe() is run */
const struct snd_kcontrol_new *controls;
@@ -760,9 +746,6 @@ struct snd_soc_codec_driver {
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
- short reg_access_size;
- const struct snd_soc_reg_access *reg_access_default;
- enum snd_soc_compress_type compress_type;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,
@@ -849,20 +832,6 @@ struct snd_soc_platform {
#endif
};
-struct snd_soc_component_driver {
- const char *name;
-};
-
-struct snd_soc_component {
- const char *name;
- int id;
- int num_dai;
- struct device *dev;
- struct list_head list;
-
- const struct snd_soc_component_driver *driver;
-};
-
struct snd_soc_dai_link {
/* config - must be set by machine driver */
const char *name; /* Codec name */
@@ -944,12 +913,6 @@ struct snd_soc_codec_conf {
* associated per device
*/
const char *name_prefix;
-
- /*
- * set this to the desired compression type if you want to
- * override the one supplied in codec->driver->compress_type
- */
- enum snd_soc_compress_type compress_type;
};
struct snd_soc_aux_dev {
@@ -1088,7 +1051,8 @@ struct snd_soc_pcm_runtime {
/* mixer control */
struct soc_mixer_control {
int min, max, platform_max;
- unsigned int reg, rreg, shift, rshift;
+ int reg, rreg;
+ unsigned int shift, rshift;
unsigned int invert:1;
unsigned int autodisable:1;
};
@@ -1121,8 +1085,6 @@ struct soc_enum {
unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
unsigned int snd_soc_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int val);
-unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec,
- unsigned int reg, const void *data, size_t len);
/* device driver data */
@@ -1201,6 +1163,8 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix);
+int snd_soc_of_get_dai_name(struct device_node *of_node,
+ const char **dai_name);
#include <sound/soc-dai.h>
diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h
index 5fc2dcdd21cd..03996b2bb04f 100644
--- a/include/trace/events/asoc.h
+++ b/include/trace/events/asoc.h
@@ -14,6 +14,7 @@ struct snd_soc_codec;
struct snd_soc_platform;
struct snd_soc_card;
struct snd_soc_dapm_widget;
+struct snd_soc_dapm_path;
/*
* Log register events
diff --git a/include/uapi/sound/Kbuild b/include/uapi/sound/Kbuild
index 0f7d279ebde3..a7f27704f980 100644
--- a/include/uapi/sound/Kbuild
+++ b/include/uapi/sound/Kbuild
@@ -5,6 +5,7 @@ header-y += asound_fm.h
header-y += compress_offload.h
header-y += compress_params.h
header-y += emu10k1.h
+header-y += firewire.h
header-y += hdsp.h
header-y += hdspm.h
header-y += sb16_csp.h
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 041203f20f6d..9fc6219d3848 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -93,9 +93,10 @@ enum {
SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
+ SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
/* Don't forget to change the following: */
- SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM
+ SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_DICE
};
struct snd_hwdep_info {
diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h
new file mode 100644
index 000000000000..59f5961302bf
--- /dev/null
+++ b/include/uapi/sound/firewire.h
@@ -0,0 +1,51 @@
+#ifndef _UAPI_SOUND_FIREWIRE_H_INCLUDED
+#define _UAPI_SOUND_FIREWIRE_H_INCLUDED
+
+#include <linux/ioctl.h>
+
+/* events can be read() from the hwdep device */
+
+#define SNDRV_FIREWIRE_EVENT_LOCK_STATUS 0x000010cc
+#define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e
+
+struct snd_firewire_event_common {
+ unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
+};
+
+struct snd_firewire_event_lock_status {
+ unsigned int type;
+ unsigned int status; /* 0/1 = unlocked/locked */
+};
+
+struct snd_firewire_event_dice_notification {
+ unsigned int type;
+ unsigned int notification; /* DICE-specific bits */
+};
+
+union snd_firewire_event {
+ struct snd_firewire_event_common common;
+ struct snd_firewire_event_lock_status lock_status;
+ struct snd_firewire_event_dice_notification dice_notification;
+};
+
+
+#define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
+#define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9)
+#define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa)
+
+#define SNDRV_FIREWIRE_TYPE_DICE 1
+/* Fireworks, AV/C, RME, MOTU, ... */
+
+struct snd_firewire_get_info {
+ unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */
+ unsigned int card; /* same as fw_cdev_get_info.card */
+ unsigned char guid[8];
+ char device_name[16]; /* device node in /dev */
+};
+
+/*
+ * SNDRV_FIREWIRE_IOCTL_LOCK prevents the driver from streaming.
+ * Returns -EBUSY if the driver is already streaming.
+ */
+
+#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */