Merge branch 'for-next' into for-linus
Preparation for 4.17 merge.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 3119d0a..aaafecf 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -34,14 +34,14 @@
*
*/
-static inline bool uac2_control_is_readable(u32 bmControls, u8 control)
+static inline bool uac_v2v3_control_is_readable(u32 bmControls, u8 control)
{
- return (bmControls >> (control * 2)) & 0x1;
+ return (bmControls >> ((control - 1) * 2)) & 0x1;
}
-static inline bool uac2_control_is_writeable(u32 bmControls, u8 control)
+static inline bool uac_v2v3_control_is_writeable(u32 bmControls, u8 control)
{
- return (bmControls >> (control * 2)) & 0x2;
+ return (bmControls >> ((control - 1) * 2)) & 0x2;
}
/* 4.7.2 Class-Specific AC Interface Descriptor */
diff --git a/include/linux/usb/audio-v3.h b/include/linux/usb/audio-v3.h
new file mode 100644
index 0000000..a8959aa
--- /dev/null
+++ b/include/linux/usb/audio-v3.h
@@ -0,0 +1,395 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2017 Ruslan Bilovol <ruslan.bilovol@gmail.com>
+ *
+ * This file holds USB constants and structures defined
+ * by the USB DEVICE CLASS DEFINITION FOR AUDIO DEVICES Release 3.0.
+ */
+
+#ifndef __LINUX_USB_AUDIO_V3_H
+#define __LINUX_USB_AUDIO_V3_H
+
+#include <linux/types.h>
+
+/*
+ * v1.0, v2.0 and v3.0 of this standard have many things in common. For the rest
+ * of the definitions, please refer to audio.h and audio-v2.h
+ */
+
+/* All High Capability descriptors have these 2 fields at the beginning */
+struct uac3_hc_descriptor_header {
+ __le16 wLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __le16 wDescriptorID;
+} __attribute__ ((packed));
+
+/* 4.3.1 CLUSTER DESCRIPTOR HEADER */
+struct uac3_cluster_header_descriptor {
+ __le16 wLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __le16 wDescriptorID;
+ __u8 bNrChannels;
+} __attribute__ ((packed));
+
+/* 4.3.2.1 SEGMENTS */
+struct uac3_cluster_segment_descriptor {
+ __le16 wLength;
+ __u8 bSegmentType;
+ /* __u8[0]; segment-specific data */
+} __attribute__ ((packed));
+
+/* 4.3.2.1.1 END SEGMENT */
+struct uac3_cluster_end_segment_descriptor {
+ __le16 wLength;
+ __u8 bSegmentType; /* Constant END_SEGMENT */
+} __attribute__ ((packed));
+
+/* 4.3.2.1.3.1 INFORMATION SEGMENT */
+struct uac3_cluster_information_segment_descriptor {
+ __le16 wLength;
+ __u8 bSegmentType;
+ __u8 bChPurpose;
+ __u8 bChRelationship;
+ __u8 bChGroupID;
+} __attribute__ ((packed));
+
+/* 4.5.2 CLASS-SPECIFIC AC INTERFACE DESCRIPTOR */
+struct uac3_ac_header_descriptor {
+ __u8 bLength; /* 10 */
+ __u8 bDescriptorType; /* CS_INTERFACE descriptor type */
+ __u8 bDescriptorSubtype; /* HEADER descriptor subtype */
+ __u8 bCategory;
+
+ /* includes Clock Source, Unit, Terminal, and Power Domain desc. */
+ __le16 wTotalLength;
+
+ __le32 bmControls;
+} __attribute__ ((packed));
+
+/* 4.5.2.1 INPUT TERMINAL DESCRIPTOR */
+struct uac3_input_terminal_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bTerminalID;
+ __le16 wTerminalType;
+ __u8 bAssocTerminal;
+ __u8 bCSourceID;
+ __le32 bmControls;
+ __le16 wClusterDescrID;
+ __le16 wExTerminalDescrID;
+ __le16 wConnectorsDescrID;
+ __le16 wTerminalDescrStr;
+} __attribute__((packed));
+
+/* 4.5.2.2 OUTPUT TERMINAL DESCRIPTOR */
+struct uac3_output_terminal_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bTerminalID;
+ __le16 wTerminalType;
+ __u8 bAssocTerminal;
+ __u8 bSourceID;
+ __u8 bCSourceID;
+ __le32 bmControls;
+ __le16 wExTerminalDescrID;
+ __le16 wConnectorsDescrID;
+ __le16 wTerminalDescrStr;
+} __attribute__((packed));
+
+/* 4.5.2.7 FEATURE UNIT DESCRIPTOR */
+struct uac3_feature_unit_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bUnitID;
+ __u8 bSourceID;
+ /* bmaControls is actually u32,
+ * but u8 is needed for the hybrid parser */
+ __u8 bmaControls[0]; /* variable length */
+ /* wFeatureDescrStr omitted */
+} __attribute__((packed));
+
+#define UAC3_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 4)
+
+/* As above, but more useful for defining your own descriptors */
+#define DECLARE_UAC3_FEATURE_UNIT_DESCRIPTOR(ch) \
+struct uac3_feature_unit_descriptor_##ch { \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubtype; \
+ __u8 bUnitID; \
+ __u8 bSourceID; \
+ __le32 bmaControls[ch + 1]; \
+ __le16 wFeatureDescrStr; \
+} __attribute__ ((packed))
+
+/* 4.5.2.12 CLOCK SOURCE DESCRIPTOR */
+struct uac3_clock_source_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bClockID;
+ __u8 bmAttributes;
+ __le32 bmControls;
+ __u8 bReferenceTerminal;
+ __le16 wClockSourceStr;
+} __attribute__((packed));
+
+/* bmAttribute fields */
+#define UAC3_CLOCK_SOURCE_TYPE_EXT 0x0
+#define UAC3_CLOCK_SOURCE_TYPE_INT 0x1
+#define UAC3_CLOCK_SOURCE_ASYNC (0 << 2)
+#define UAC3_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 1)
+
+/* 4.5.2.13 CLOCK SELECTOR DESCRIPTOR */
+struct uac3_clock_selector_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bClockID;
+ __u8 bNrInPins;
+ __u8 baCSourceID[];
+ /* bmControls and wCSelectorDescrStr omitted */
+} __attribute__((packed));
+
+/* 4.5.2.14 CLOCK MULTIPLIER DESCRIPTOR */
+struct uac3_clock_multiplier_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bClockID;
+ __u8 bCSourceID;
+ __le32 bmControls;
+ __le16 wCMultiplierDescrStr;
+} __attribute__((packed));
+
+/* 4.5.2.15 POWER DOMAIN DESCRIPTOR */
+struct uac3_power_domain_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bPowerDomainID;
+ __le16 waRecoveryTime1;
+ __le16 waRecoveryTime2;
+ __u8 bNrEntities;
+ __u8 baEntityID[];
+ /* wPDomainDescrStr omitted */
+} __attribute__((packed));
+
+/* As above, but more useful for defining your own descriptors */
+#define DECLARE_UAC3_POWER_DOMAIN_DESCRIPTOR(n) \
+struct uac3_power_domain_descriptor_##n { \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubtype; \
+ __u8 bPowerDomainID; \
+ __le16 waRecoveryTime1; \
+ __le16 waRecoveryTime2; \
+ __u8 bNrEntities; \
+ __u8 baEntityID[n]; \
+ __le16 wPDomainDescrStr; \
+} __attribute__ ((packed))
+
+/* 4.7.2 CLASS-SPECIFIC AS INTERFACE DESCRIPTOR */
+struct uac3_as_header_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __u8 bTerminalLink;
+ __le32 bmControls;
+ __le16 wClusterDescrID;
+ __le64 bmFormats;
+ __u8 bSubslotSize;
+ __u8 bBitResolution;
+ __le16 bmAuxProtocols;
+ __u8 bControlSize;
+} __attribute__((packed));
+
+#define UAC3_FORMAT_TYPE_I_RAW_DATA (1 << 6)
+
+/* 4.8.1.2 CLASS-SPECIFIC AS ISOCHRONOUS AUDIO DATA ENDPOINT DESCRIPTOR */
+struct uac3_iso_endpoint_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDescriptorSubtype;
+ __le32 bmControls;
+ __u8 bLockDelayUnits;
+ __le16 wLockDelay;
+} __attribute__((packed));
+
+/* 6.1 INTERRUPT DATA MESSAGE */
+struct uac3_interrupt_data_msg {
+ __u8 bInfo;
+ __u8 bSourceType;
+ __le16 wValue;
+ __le16 wIndex;
+} __attribute__((packed));
+
+/* A.2 AUDIO AUDIO FUNCTION SUBCLASS CODES */
+#define UAC3_FUNCTION_SUBCLASS_UNDEFINED 0x00
+#define UAC3_FUNCTION_SUBCLASS_FULL_ADC_3_0 0x01
+/* BADD profiles */
+#define UAC3_FUNCTION_SUBCLASS_GENERIC_IO 0x20
+#define UAC3_FUNCTION_SUBCLASS_HEADPHONE 0x21
+#define UAC3_FUNCTION_SUBCLASS_SPEAKER 0x22
+#define UAC3_FUNCTION_SUBCLASS_MICROPHONE 0x23
+#define UAC3_FUNCTION_SUBCLASS_HEADSET 0x24
+#define UAC3_FUNCTION_SUBCLASS_HEADSET_ADAPTER 0x25
+#define UAC3_FUNCTION_SUBCLASS_SPEAKERPHONE 0x26
+
+/* A.7 AUDIO FUNCTION CATEGORY CODES */
+#define UAC3_FUNCTION_SUBCLASS_UNDEFINED 0x00
+#define UAC3_FUNCTION_DESKTOP_SPEAKER 0x01
+#define UAC3_FUNCTION_HOME_THEATER 0x02
+#define UAC3_FUNCTION_MICROPHONE 0x03
+#define UAC3_FUNCTION_HEADSET 0x04
+#define UAC3_FUNCTION_TELEPHONE 0x05
+#define UAC3_FUNCTION_CONVERTER 0x06
+#define UAC3_FUNCTION_SOUND_RECORDER 0x07
+#define UAC3_FUNCTION_IO_BOX 0x08
+#define UAC3_FUNCTION_MUSICAL_INSTRUMENT 0x09
+#define UAC3_FUNCTION_PRO_AUDIO 0x0a
+#define UAC3_FUNCTION_AUDIO_VIDEO 0x0b
+#define UAC3_FUNCTION_CONTROL_PANEL 0x0c
+#define UAC3_FUNCTION_HEADPHONE 0x0d
+#define UAC3_FUNCTION_GENERIC_SPEAKER 0x0e
+#define UAC3_FUNCTION_HEADSET_ADAPTER 0x0f
+#define UAC3_FUNCTION_SPEAKERPHONE 0x10
+#define UAC3_FUNCTION_OTHER 0xff
+
+/* A.8 AUDIO CLASS-SPECIFIC DESCRIPTOR TYPES */
+#define UAC3_CS_UNDEFINED 0x20
+#define UAC3_CS_DEVICE 0x21
+#define UAC3_CS_CONFIGURATION 0x22
+#define UAC3_CS_STRING 0x23
+#define UAC3_CS_INTERFACE 0x24
+#define UAC3_CS_ENDPOINT 0x25
+#define UAC3_CS_CLUSTER 0x26
+
+/* A.10 CLUSTER DESCRIPTOR SEGMENT TYPES */
+#define UAC3_SEGMENT_UNDEFINED 0x00
+#define UAC3_CLUSTER_DESCRIPTION 0x01
+#define UAC3_CLUSTER_VENDOR_DEFINED 0x1F
+#define UAC3_CHANNEL_INFORMATION 0x20
+#define UAC3_CHANNEL_AMBISONIC 0x21
+#define UAC3_CHANNEL_DESCRIPTION 0x22
+#define UAC3_CHANNEL_VENDOR_DEFINED 0xFE
+#define UAC3_END_SEGMENT 0xFF
+
+/* A.11 CHANNEL PURPOSE DEFINITIONS */
+#define UAC3_PURPOSE_UNDEFINED 0x00
+#define UAC3_PURPOSE_GENERIC_AUDIO 0x01
+#define UAC3_PURPOSE_VOICE 0x02
+#define UAC3_PURPOSE_SPEECH 0x03
+#define UAC3_PURPOSE_AMBIENT 0x04
+#define UAC3_PURPOSE_REFERENCE 0x05
+#define UAC3_PURPOSE_ULTRASONIC 0x06
+#define UAC3_PURPOSE_VIBROKINETIC 0x07
+#define UAC3_PURPOSE_NON_AUDIO 0xFF
+
+/* A.12 CHANNEL RELATIONSHIP DEFINITIONS */
+#define UAC3_CH_RELATIONSHIP_UNDEFINED 0x00
+#define UAC3_CH_MONO 0x01
+#define UAC3_CH_LEFT 0x02
+#define UAC3_CH_RIGHT 0x03
+#define UAC3_CH_ARRAY 0x04
+#define UAC3_CH_PATTERN_X 0x20
+#define UAC3_CH_PATTERN_Y 0x21
+#define UAC3_CH_PATTERN_A 0x22
+#define UAC3_CH_PATTERN_B 0x23
+#define UAC3_CH_PATTERN_M 0x24
+#define UAC3_CH_PATTERN_S 0x25
+#define UAC3_CH_FRONT_LEFT 0x80
+#define UAC3_CH_FRONT_RIGHT 0x81
+#define UAC3_CH_FRONT_CENTER 0x82
+#define UAC3_CH_FRONT_LEFT_OF_CENTER 0x83
+#define UAC3_CH_FRONT_RIGHT_OF_CENTER 0x84
+#define UAC3_CH_FRONT_WIDE_LEFT 0x85
+#define UAC3_CH_FRONT_WIDE_RIGHT 0x86
+#define UAC3_CH_SIDE_LEFT 0x87
+#define UAC3_CH_SIDE_RIGHT 0x88
+#define UAC3_CH_SURROUND_ARRAY_LEFT 0x89
+#define UAC3_CH_SURROUND_ARRAY_RIGHT 0x8A
+#define UAC3_CH_BACK_LEFT 0x8B
+#define UAC3_CH_BACK_RIGHT 0x8C
+#define UAC3_CH_BACK_CENTER 0x8D
+#define UAC3_CH_BACK_LEFT_OF_CENTER 0x8E
+#define UAC3_CH_BACK_RIGHT_OF_CENTER 0x8F
+#define UAC3_CH_BACK_WIDE_LEFT 0x90
+#define UAC3_CH_BACK_WIDE_RIGHT 0x91
+#define UAC3_CH_TOP_CENTER 0x92
+#define UAC3_CH_TOP_FRONT_LEFT 0x93
+#define UAC3_CH_TOP_FRONT_RIGHT 0x94
+#define UAC3_CH_TOP_FRONT_CENTER 0x95
+#define UAC3_CH_TOP_FRONT_LOC 0x96
+#define UAC3_CH_TOP_FRONT_ROC 0x97
+#define UAC3_CH_TOP_FRONT_WIDE_LEFT 0x98
+#define UAC3_CH_TOP_FRONT_WIDE_RIGHT 0x99
+#define UAC3_CH_TOP_SIDE_LEFT 0x9A
+#define UAC3_CH_TOP_SIDE_RIGHT 0x9B
+#define UAC3_CH_TOP_SURR_ARRAY_LEFT 0x9C
+#define UAC3_CH_TOP_SURR_ARRAY_RIGHT 0x9D
+#define UAC3_CH_TOP_BACK_LEFT 0x9E
+#define UAC3_CH_TOP_BACK_RIGHT 0x9F
+#define UAC3_CH_TOP_BACK_CENTER 0xA0
+#define UAC3_CH_TOP_BACK_LOC 0xA1
+#define UAC3_CH_TOP_BACK_ROC 0xA2
+#define UAC3_CH_TOP_BACK_WIDE_LEFT 0xA3
+#define UAC3_CH_TOP_BACK_WIDE_RIGHT 0xA4
+#define UAC3_CH_BOTTOM_CENTER 0xA5
+#define UAC3_CH_BOTTOM_FRONT_LEFT 0xA6
+#define UAC3_CH_BOTTOM_FRONT_RIGHT 0xA7
+#define UAC3_CH_BOTTOM_FRONT_CENTER 0xA8
+#define UAC3_CH_BOTTOM_FRONT_LOC 0xA9
+#define UAC3_CH_BOTTOM_FRONT_ROC 0xAA
+#define UAC3_CH_BOTTOM_FRONT_WIDE_LEFT 0xAB
+#define UAC3_CH_BOTTOM_FRONT_WIDE_RIGHT 0xAC
+#define UAC3_CH_BOTTOM_SIDE_LEFT 0xAD
+#define UAC3_CH_BOTTOM_SIDE_RIGHT 0xAE
+#define UAC3_CH_BOTTOM_SURR_ARRAY_LEFT 0xAF
+#define UAC3_CH_BOTTOM_SURR_ARRAY_RIGHT 0xB0
+#define UAC3_CH_BOTTOM_BACK_LEFT 0xB1
+#define UAC3_CH_BOTTOM_BACK_RIGHT 0xB2
+#define UAC3_CH_BOTTOM_BACK_CENTER 0xB3
+#define UAC3_CH_BOTTOM_BACK_LOC 0xB4
+#define UAC3_CH_BOTTOM_BACK_ROC 0xB5
+#define UAC3_CH_BOTTOM_BACK_WIDE_LEFT 0xB6
+#define UAC3_CH_BOTTOM_BACK_WIDE_RIGHT 0xB7
+#define UAC3_CH_LOW_FREQUENCY_EFFECTS 0xB8
+#define UAC3_CH_LFE_LEFT 0xB9
+#define UAC3_CH_LFE_RIGHT 0xBA
+#define UAC3_CH_HEADPHONE_LEFT 0xBB
+#define UAC3_CH_HEADPHONE_RIGHT 0xBC
+
+/* A.15 AUDIO CLASS-SPECIFIC AC INTERFACE DESCRIPTOR SUBTYPES */
+/* see audio.h for the rest, which is identical to v1 */
+#define UAC3_EXTENDED_TERMINAL 0x04
+#define UAC3_MIXER_UNIT 0x05
+#define UAC3_SELECTOR_UNIT 0x06
+#define UAC3_FEATURE_UNIT 0x07
+#define UAC3_EFFECT_UNIT 0x08
+#define UAC3_PROCESSING_UNIT 0x09
+#define UAC3_EXTENSION_UNIT 0x0a
+#define UAC3_CLOCK_SOURCE 0x0b
+#define UAC3_CLOCK_SELECTOR 0x0c
+#define UAC3_CLOCK_MULTIPLIER 0x0d
+#define UAC3_SAMPLE_RATE_CONVERTER 0x0e
+#define UAC3_CONNECTORS 0x0f
+#define UAC3_POWER_DOMAIN 0x10
+
+/* A.22 AUDIO CLASS-SPECIFIC REQUEST CODES */
+/* see audio-v2.h for the rest, which is identical to v2 */
+#define UAC3_CS_REQ_INTEN 0x04
+#define UAC3_CS_REQ_STRING 0x05
+#define UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR 0x06
+
+/* A.23.1 AUDIOCONTROL INTERFACE CONTROL SELECTORS */
+#define UAC3_AC_CONTROL_UNDEFINED 0x00
+#define UAC3_AC_ACTIVE_INTERFACE_CONTROL 0x01
+#define UAC3_AC_POWER_DOMAIN_CONTROL 0x02
+
+#endif /* __LINUX_USB_AUDIO_V3_H */
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 4f42aff..5ebcc51 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1710,6 +1710,7 @@ struct snd_emu10k1 {
unsigned int ecard_ctrl; /* ecard control bits */
unsigned int address_mode; /* address mode */
unsigned long dma_mask; /* PCI DMA mask */
+ bool iommu_workaround; /* IOMMU workaround needed */
unsigned int delay_pcm_irq; /* in samples */
int max_cache_pages; /* max memory size / PAGE_SIZE */
struct snd_dma_buffer silent_page; /* silent page */
@@ -1718,7 +1719,6 @@ struct snd_emu10k1 {
struct snd_dma_buffer p16v_buffer;
struct snd_util_memhdr *memhdr; /* page allocation list */
- struct snd_emu10k1_memblk *reserved_page; /* reserved page */
struct list_head mapped_link_head;
struct list_head mapped_order_link_head;
@@ -1878,6 +1878,8 @@ void snd_p16v_resume(struct snd_emu10k1 *emu);
/* memory allocation */
struct snd_util_memblk *snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *substream);
int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk);
+int snd_emu10k1_alloc_pages_maybe_wider(struct snd_emu10k1 *emu, size_t size,
+ struct snd_dma_buffer *dmab);
struct snd_util_memblk *snd_emu10k1_synth_alloc(struct snd_emu10k1 *emu, unsigned int size);
int snd_emu10k1_synth_free(struct snd_emu10k1 *emu, struct snd_util_memblk *blk);
int snd_emu10k1_synth_bzero(struct snd_emu10k1 *emu, struct snd_util_memblk *blk, int offset, int size);
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 68169e3..4c93ff5 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -146,6 +146,8 @@ int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid,
int flags, unsigned int verb, unsigned int parm);
bool snd_hdac_check_power_state(struct hdac_device *hdac,
hda_nid_t nid, unsigned int target_state);
+unsigned int snd_hdac_sync_power_state(struct hdac_device *hdac,
+ hda_nid_t nid, unsigned int target_state);
/**
* snd_hdac_read_parm - read a codec parameter
* @codec: the codec object
diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
index 760c969..12bbf8c 100644
--- a/include/sound/pcm_oss.h
+++ b/include/sound/pcm_oss.h
@@ -57,6 +57,7 @@ struct snd_pcm_oss_runtime {
char *buffer; /* vmallocated period */
size_t buffer_used; /* used length from period buffer */
struct mutex params_lock;
+ atomic_t rw_ref; /* concurrent read/write accesses */
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
struct snd_pcm_plugin *plugin_first;
struct snd_pcm_plugin *plugin_last;
diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h
index da3315e..3a78e71 100644
--- a/include/uapi/linux/usb/audio.h
+++ b/include/uapi/linux/usb/audio.h
@@ -27,6 +27,7 @@
/* bInterfaceProtocol values to denote the version of the standard used */
#define UAC_VERSION_1 0x00
#define UAC_VERSION_2 0x20
+#define UAC_VERSION_3 0x30
/* A.2 Audio Interface Subclass Codes */
#define USB_SUBCLASS_AUDIOCONTROL 0x01
diff --git a/sound/core/control.c b/sound/core/control.c
index 8a77620..69734b0 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -105,7 +105,7 @@ static void snd_ctl_empty_read_queue(struct snd_ctl_file * ctl)
{
unsigned long flags;
struct snd_kctl_event *cread;
-
+
spin_lock_irqsave(&ctl->read_lock, flags);
while (!list_empty(&ctl->events)) {
cread = snd_kctl_event(ctl->events.next);
@@ -159,7 +159,7 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask,
unsigned long flags;
struct snd_ctl_file *ctl;
struct snd_kctl_event *ev;
-
+
if (snd_BUG_ON(!card || !id))
return;
if (card->shutdown)
@@ -213,7 +213,7 @@ static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count,
{
unsigned int size;
unsigned int idx;
-
+
if (count == 0 || count > MAX_CONTROL_COUNT)
return -EINVAL;
@@ -238,7 +238,7 @@ static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count,
* @ncontrol: the initialization record
* @private_data: the private data to set
*
- * Allocates a new struct snd_kcontrol instance and initialize from the given
+ * Allocates a new struct snd_kcontrol instance and initialize from the given
* template. When the access field of ncontrol is 0, it's assumed as
* READWRITE access. When the count field is 0, it's assumes as one.
*
@@ -251,7 +251,7 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
unsigned int count;
unsigned int access;
int err;
-
+
if (snd_BUG_ON(!ncontrol || !ncontrol->info))
return NULL;
@@ -753,7 +753,7 @@ static int snd_ctl_elem_list(struct snd_card *card,
struct snd_ctl_elem_id id;
unsigned int offset, space, jidx;
int err = 0;
-
+
if (copy_from_user(&list, _list, sizeof(list)))
return -EFAULT;
offset = list.offset;
@@ -827,7 +827,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl,
struct snd_kcontrol_volatile *vd;
unsigned int index_offset;
int result;
-
+
down_read(&card->controls_rwsem);
kctl = snd_ctl_find_id(card, &info->id);
if (kctl == NULL) {
@@ -992,7 +992,7 @@ static int snd_ctl_elem_lock(struct snd_ctl_file *file,
struct snd_kcontrol *kctl;
struct snd_kcontrol_volatile *vd;
int result;
-
+
if (copy_from_user(&id, _id, sizeof(id)))
return -EFAULT;
down_write(&card->controls_rwsem);
@@ -1020,7 +1020,7 @@ static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
struct snd_kcontrol *kctl;
struct snd_kcontrol_volatile *vd;
int result;
-
+
if (copy_from_user(&id, _id, sizeof(id)))
return -EFAULT;
down_write(&card->controls_rwsem);
diff --git a/sound/core/init.c b/sound/core/init.c
index 4fa5dd9..79b4df1c 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -670,7 +670,7 @@ card_id_show_attr(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_card *card = container_of(dev, struct snd_card, card_dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", card->id);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", card->id);
}
static ssize_t
@@ -710,7 +710,7 @@ card_number_show_attr(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_card *card = container_of(dev, struct snd_card, card_dev);
- return snprintf(buf, PAGE_SIZE, "%i\n", card->number);
+ return scnprintf(buf, PAGE_SIZE, "%i\n", card->number);
}
static DEVICE_ATTR(number, S_IRUGO, card_number_show_attr, NULL);
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 4414050..481ab0e 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -823,8 +823,25 @@ static int choose_rate(struct snd_pcm_substream *substream,
return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
}
-static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
- bool trylock)
+/* parameter locking: returns immediately if tried during streaming */
+static int lock_params(struct snd_pcm_runtime *runtime)
+{
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -ERESTARTSYS;
+ if (atomic_read(&runtime->oss.rw_ref)) {
+ mutex_unlock(&runtime->oss.params_lock);
+ return -EBUSY;
+ }
+ return 0;
+}
+
+static void unlock_params(struct snd_pcm_runtime *runtime)
+{
+ mutex_unlock(&runtime->oss.params_lock);
+}
+
+/* call with params_lock held */
+static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_pcm_hw_params *params, *sparams;
@@ -838,11 +855,8 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
const struct snd_mask *sformat_mask;
struct snd_mask mask;
- if (trylock) {
- if (!(mutex_trylock(&runtime->oss.params_lock)))
- return -EAGAIN;
- } else if (mutex_lock_interruptible(&runtime->oss.params_lock))
- return -ERESTARTSYS;
+ if (!runtime->oss.params)
+ return 0;
sw_params = kzalloc(sizeof(*sw_params), GFP_KERNEL);
params = kmalloc(sizeof(*params), GFP_KERNEL);
sparams = kmalloc(sizeof(*sparams), GFP_KERNEL);
@@ -1068,6 +1082,23 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
kfree(sw_params);
kfree(params);
kfree(sparams);
+ return err;
+}
+
+/* this one takes the lock by itself */
+static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
+ bool trylock)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ if (trylock) {
+ if (!(mutex_trylock(&runtime->oss.params_lock)))
+ return -EAGAIN;
+ } else if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -ERESTARTSYS;
+
+ err = snd_pcm_oss_change_params_locked(substream);
mutex_unlock(&runtime->oss.params_lock);
return err;
}
@@ -1096,11 +1127,14 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil
return 0;
}
+/* call with params_lock held */
static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)
{
int err;
struct snd_pcm_runtime *runtime = substream->runtime;
+ if (!runtime->oss.prepare)
+ return 0;
err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_PREPARE, NULL);
if (err < 0) {
pcm_dbg(substream->pcm,
@@ -1120,8 +1154,6 @@ static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime;
int err;
- if (substream == NULL)
- return 0;
runtime = substream->runtime;
if (runtime->oss.params) {
err = snd_pcm_oss_change_params(substream, false);
@@ -1129,6 +1161,29 @@ static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)
return err;
}
if (runtime->oss.prepare) {
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -ERESTARTSYS;
+ err = snd_pcm_oss_prepare(substream);
+ mutex_unlock(&runtime->oss.params_lock);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/* call with params_lock held */
+static int snd_pcm_oss_make_ready_locked(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ int err;
+
+ runtime = substream->runtime;
+ if (runtime->oss.params) {
+ err = snd_pcm_oss_change_params_locked(substream);
+ if (err < 0)
+ return err;
+ }
+ if (runtime->oss.prepare) {
err = snd_pcm_oss_prepare(substream);
if (err < 0)
return err;
@@ -1332,13 +1387,15 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
if (atomic_read(&substream->mmap_count))
return -ENXIO;
- if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
- return tmp;
+ atomic_inc(&runtime->oss.rw_ref);
while (bytes > 0) {
if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
tmp = -ERESTARTSYS;
break;
}
+ tmp = snd_pcm_oss_make_ready_locked(substream);
+ if (tmp < 0)
+ goto err;
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
tmp = bytes;
if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)
@@ -1394,6 +1451,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
}
tmp = 0;
}
+ atomic_dec(&runtime->oss.rw_ref);
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
@@ -1439,13 +1497,15 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
if (atomic_read(&substream->mmap_count))
return -ENXIO;
- if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
- return tmp;
+ atomic_inc(&runtime->oss.rw_ref);
while (bytes > 0) {
if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
tmp = -ERESTARTSYS;
break;
}
+ tmp = snd_pcm_oss_make_ready_locked(substream);
+ if (tmp < 0)
+ goto err;
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
if (runtime->oss.buffer_used == 0) {
tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);
@@ -1486,6 +1546,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
}
tmp = 0;
}
+ atomic_dec(&runtime->oss.rw_ref);
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
@@ -1501,10 +1562,12 @@ static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
continue;
runtime = substream->runtime;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ mutex_lock(&runtime->oss.params_lock);
runtime->oss.prepare = 1;
runtime->oss.buffer_used = 0;
runtime->oss.prev_hw_ptr_period = 0;
runtime->oss.period_ptr = 0;
+ mutex_unlock(&runtime->oss.params_lock);
}
return 0;
}
@@ -1590,9 +1653,13 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
goto __direct;
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
+ atomic_inc(&runtime->oss.rw_ref);
+ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
+ atomic_dec(&runtime->oss.rw_ref);
+ return -ERESTARTSYS;
+ }
format = snd_pcm_oss_format_from(runtime->oss.format);
width = snd_pcm_format_physical_width(format);
- mutex_lock(&runtime->oss.params_lock);
if (runtime->oss.buffer_used > 0) {
#ifdef OSS_DEBUG
pcm_dbg(substream->pcm, "sync: buffer_used\n");
@@ -1602,10 +1669,8 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
runtime->oss.buffer + runtime->oss.buffer_used,
size);
err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);
- if (err < 0) {
- mutex_unlock(&runtime->oss.params_lock);
- return err;
- }
+ if (err < 0)
+ goto unlock;
} else if (runtime->oss.period_ptr > 0) {
#ifdef OSS_DEBUG
pcm_dbg(substream->pcm, "sync: period_ptr\n");
@@ -1615,10 +1680,8 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
runtime->oss.buffer,
size * 8 / width);
err = snd_pcm_oss_sync1(substream, size);
- if (err < 0) {
- mutex_unlock(&runtime->oss.params_lock);
- return err;
- }
+ if (err < 0)
+ goto unlock;
}
/*
* The ALSA's period might be a bit large than OSS one.
@@ -1632,7 +1695,11 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
snd_pcm_lib_writev(substream, NULL, size);
}
+unlock:
mutex_unlock(&runtime->oss.params_lock);
+ atomic_dec(&runtime->oss.rw_ref);
+ if (err < 0)
+ return err;
/*
* finish sync: drain the buffer
*/
@@ -1643,7 +1710,9 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
substream->f_flags = saved_f_flags;
if (err < 0)
return err;
+ mutex_lock(&runtime->oss.params_lock);
runtime->oss.prepare = 1;
+ mutex_unlock(&runtime->oss.params_lock);
}
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
@@ -1654,8 +1723,10 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if (err < 0)
return err;
+ mutex_lock(&runtime->oss.params_lock);
runtime->oss.buffer_used = 0;
runtime->oss.prepare = 1;
+ mutex_unlock(&runtime->oss.params_lock);
}
return 0;
}
@@ -1667,6 +1738,8 @@ static int snd_pcm_oss_set_rate(struct snd_pcm_oss_file *pcm_oss_file, int rate)
for (idx = 1; idx >= 0; --idx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
struct snd_pcm_runtime *runtime;
+ int err;
+
if (substream == NULL)
continue;
runtime = substream->runtime;
@@ -1674,10 +1747,14 @@ static int snd_pcm_oss_set_rate(struct snd_pcm_oss_file *pcm_oss_file, int rate)
rate = 1000;
else if (rate > 192000)
rate = 192000;
+ err = lock_params(runtime);
+ if (err < 0)
+ return err;
if (runtime->oss.rate != rate) {
runtime->oss.params = 1;
runtime->oss.rate = rate;
}
+ unlock_params(runtime);
}
return snd_pcm_oss_get_rate(pcm_oss_file);
}
@@ -1702,13 +1779,19 @@ static int snd_pcm_oss_set_channels(struct snd_pcm_oss_file *pcm_oss_file, unsig
for (idx = 1; idx >= 0; --idx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
struct snd_pcm_runtime *runtime;
+ int err;
+
if (substream == NULL)
continue;
runtime = substream->runtime;
+ err = lock_params(runtime);
+ if (err < 0)
+ return err;
if (runtime->oss.channels != channels) {
runtime->oss.params = 1;
runtime->oss.channels = channels;
}
+ unlock_params(runtime);
}
return snd_pcm_oss_get_channels(pcm_oss_file);
}
@@ -1781,6 +1864,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
{
int formats, idx;
+ int err;
if (format != AFMT_QUERY) {
formats = snd_pcm_oss_get_formats(pcm_oss_file);
@@ -1794,10 +1878,14 @@ static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int for
if (substream == NULL)
continue;
runtime = substream->runtime;
+ err = lock_params(runtime);
+ if (err < 0)
+ return err;
if (runtime->oss.format != format) {
runtime->oss.params = 1;
runtime->oss.format = format;
}
+ unlock_params(runtime);
}
}
return snd_pcm_oss_get_format(pcm_oss_file);
@@ -1817,8 +1905,6 @@ static int snd_pcm_oss_set_subdivide1(struct snd_pcm_substream *substream, int s
{
struct snd_pcm_runtime *runtime;
- if (substream == NULL)
- return 0;
runtime = substream->runtime;
if (subdivide == 0) {
subdivide = runtime->oss.subdivision;
@@ -1842,9 +1928,17 @@ static int snd_pcm_oss_set_subdivide(struct snd_pcm_oss_file *pcm_oss_file, int
for (idx = 1; idx >= 0; --idx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+ struct snd_pcm_runtime *runtime;
+
if (substream == NULL)
continue;
- if ((err = snd_pcm_oss_set_subdivide1(substream, subdivide)) < 0)
+ runtime = substream->runtime;
+ err = lock_params(runtime);
+ if (err < 0)
+ return err;
+ err = snd_pcm_oss_set_subdivide1(substream, subdivide);
+ unlock_params(runtime);
+ if (err < 0)
return err;
}
return err;
@@ -1854,8 +1948,6 @@ static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsign
{
struct snd_pcm_runtime *runtime;
- if (substream == NULL)
- return 0;
runtime = substream->runtime;
if (runtime->oss.subdivision || runtime->oss.fragshift)
return -EINVAL;
@@ -1875,9 +1967,17 @@ static int snd_pcm_oss_set_fragment(struct snd_pcm_oss_file *pcm_oss_file, unsig
for (idx = 1; idx >= 0; --idx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[idx];
+ struct snd_pcm_runtime *runtime;
+
if (substream == NULL)
continue;
- if ((err = snd_pcm_oss_set_fragment1(substream, val)) < 0)
+ runtime = substream->runtime;
+ err = lock_params(runtime);
+ if (err < 0)
+ return err;
+ err = snd_pcm_oss_set_fragment1(substream, val);
+ unlock_params(runtime);
+ if (err < 0)
return err;
}
return err;
@@ -1961,6 +2061,9 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
}
if (psubstream) {
runtime = psubstream->runtime;
+ cmd = 0;
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -ERESTARTSYS;
if (trigger & PCM_ENABLE_OUTPUT) {
if (runtime->oss.trigger)
goto _skip1;
@@ -1978,13 +2081,19 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
- if (err < 0)
- return err;
- }
_skip1:
+ mutex_unlock(&runtime->oss.params_lock);
+ if (cmd) {
+ err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
+ if (err < 0)
+ return err;
+ }
+ }
if (csubstream) {
runtime = csubstream->runtime;
+ cmd = 0;
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -ERESTARTSYS;
if (trigger & PCM_ENABLE_INPUT) {
if (runtime->oss.trigger)
goto _skip2;
@@ -1999,11 +2108,14 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
- if (err < 0)
- return err;
- }
_skip2:
+ mutex_unlock(&runtime->oss.params_lock);
+ if (cmd) {
+ err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
+ if (err < 0)
+ return err;
+ }
+ }
return 0;
}
@@ -2255,6 +2367,7 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
runtime->oss.maxfrags = 0;
runtime->oss.subdivision = 0;
substream->pcm_release = snd_pcm_oss_release_substream;
+ atomic_set(&runtime->oss.rw_ref, 0);
}
static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a83152e..f4a1950 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1129,16 +1129,12 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
if (constrs->rules_num >= constrs->rules_all) {
struct snd_pcm_hw_rule *new;
unsigned int new_rules = constrs->rules_all + 16;
- new = kcalloc(new_rules, sizeof(*c), GFP_KERNEL);
+ new = krealloc(constrs->rules, new_rules * sizeof(*c),
+ GFP_KERNEL);
if (!new) {
va_end(args);
return -ENOMEM;
}
- if (constrs->rules) {
- memcpy(new, constrs->rules,
- constrs->rules_num * sizeof(*c));
- kfree(constrs->rules);
- }
constrs->rules = new;
constrs->rules_all = new_rules;
}
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index d18b398..b845548 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -323,7 +323,7 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
struct snd_pcm_hw_constraints *constrs =
&substream->runtime->hw_constraints;
unsigned int k;
- unsigned int rstamps[constrs->rules_num];
+ unsigned int *rstamps;
unsigned int vstamps[SNDRV_PCM_HW_PARAM_LAST_INTERVAL + 1];
unsigned int stamp;
struct snd_pcm_hw_rule *r;
@@ -331,7 +331,7 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
struct snd_mask old_mask;
struct snd_interval old_interval;
bool again;
- int changed;
+ int changed, err = 0;
/*
* Each application of rule has own sequence number.
@@ -339,8 +339,9 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
* Each member of 'rstamps' array represents the sequence number of
* recent application of corresponding rule.
*/
- for (k = 0; k < constrs->rules_num; k++)
- rstamps[k] = 0;
+ rstamps = kcalloc(constrs->rules_num, sizeof(unsigned int), GFP_KERNEL);
+ if (!rstamps)
+ return -ENOMEM;
/*
* Each member of 'vstamps' array represents the sequence number of
@@ -398,8 +399,10 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
}
changed = r->func(params, r);
- if (changed < 0)
- return changed;
+ if (changed < 0) {
+ err = changed;
+ goto out;
+ }
/*
* When the parameter is changed, notify it to the caller
@@ -430,7 +433,9 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
if (again)
goto retry;
- return 0;
+ out:
+ kfree(rstamps);
+ return err;
}
static int fixup_unreferenced_params(struct snd_pcm_substream *substream,
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 8632301..9e96186 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -63,15 +63,18 @@ static int slave_update(struct link_slave *slave)
struct snd_ctl_elem_value *uctl;
int err, ch;
- uctl = kmalloc(sizeof(*uctl), GFP_KERNEL);
+ uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (!uctl)
return -ENOMEM;
uctl->id = slave->slave.id;
err = slave->slave.get(&slave->slave, uctl);
+ if (err < 0)
+ goto error;
for (ch = 0; ch < slave->info.count; ch++)
slave->vals[ch] = uctl->value.integer.value[ch];
+ error:
kfree(uctl);
- return 0;
+ return err < 0 ? err : 0;
}
/* get the slave ctl info and save the initial values */
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index 1063a43..58e349f 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -296,6 +296,8 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
cable->pause |= stream;
loopback_timer_stop(dpcm);
spin_unlock(&cable->lock);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ loopback_active_notify(dpcm);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
@@ -304,6 +306,8 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
cable->pause &= ~stream;
loopback_timer_start(dpcm);
spin_unlock(&cable->lock);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ loopback_active_notify(dpcm);
break;
default:
return -EINVAL;
@@ -892,9 +896,11 @@ static int loopback_active_get(struct snd_kcontrol *kcontrol,
[kcontrol->id.subdevice][kcontrol->id.device ^ 1];
unsigned int val = 0;
- if (cable != NULL)
- val = (cable->running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) ?
- 1 : 0;
+ if (cable != NULL) {
+ unsigned int running = cable->running ^ cable->pause;
+
+ val = (running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) ? 1 : 0;
+ }
ucontrol->value.integer.value[0] = val;
return 0;
}
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 06f845e..7ba100b 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -3,6 +3,7 @@
*/
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -1064,3 +1065,37 @@ bool snd_hdac_check_power_state(struct hdac_device *hdac,
return (state == target_state);
}
EXPORT_SYMBOL_GPL(snd_hdac_check_power_state);
+/**
+ * snd_hdac_sync_power_state - wait until actual power state matches
+ * with the target state
+ *
+ * @hdac: the HDAC device
+ * @nid: NID to send the command
+ * @target_state: target state to check for
+ *
+ * Return power state or PS_ERROR if codec rejects GET verb.
+ */
+unsigned int snd_hdac_sync_power_state(struct hdac_device *codec,
+ hda_nid_t nid, unsigned int power_state)
+{
+ unsigned long end_time = jiffies + msecs_to_jiffies(500);
+ unsigned int state, actual_state, count;
+
+ for (count = 0; count < 500; count++) {
+ state = snd_hdac_codec_read(codec, nid, 0,
+ AC_VERB_GET_POWER_STATE, 0);
+ if (state & AC_PWRST_ERROR) {
+ msleep(20);
+ break;
+ }
+ actual_state = (state >> 4) & 0x0f;
+ if (actual_state == power_state)
+ break;
+ if (time_after_eq(jiffies, end_time))
+ break;
+ /* wait until the codec reachs to the target state */
+ msleep(1);
+ }
+ return state;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_sync_power_state);
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index d68f99e..0935a5c 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -736,8 +736,7 @@ static int pcm_prepare(struct snd_pcm_substream *substream)
static int pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct echoaudio *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct audiopipe *pipe = runtime->private_data;
+ struct audiopipe *pipe;
int i, err;
u32 channelmask = 0;
struct snd_pcm_substream *s;
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index ccf4415..18267de 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -36,6 +36,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
+#include <linux/iommu.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
@@ -1272,12 +1273,6 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
release_firmware(emu->dock_fw);
if (emu->irq >= 0)
free_irq(emu->irq, emu);
- /* remove reserved page */
- if (emu->reserved_page) {
- snd_emu10k1_synth_free(emu,
- (struct snd_util_memblk *)emu->reserved_page);
- emu->reserved_page = NULL;
- }
snd_util_memhdr_free(emu->memhdr);
if (emu->silent_page.area)
snd_dma_free_pages(&emu->silent_page);
@@ -1764,6 +1759,38 @@ static struct snd_emu_chip_details emu_chip_details[] = {
{ } /* terminator */
};
+/*
+ * The chip (at least the Audigy 2 CA0102 chip, but most likely others, too)
+ * has a problem that from time to time it likes to do few DMA reads a bit
+ * beyond its normal allocation and gets very confused if these reads get
+ * blocked by a IOMMU.
+ *
+ * This behaviour has been observed for the first (reserved) page
+ * (for which it happens multiple times at every playback), often for various
+ * synth pages and sometimes for PCM playback buffers and the page table
+ * memory itself.
+ *
+ * As a workaround let's widen these DMA allocations by an extra page if we
+ * detect that the device is behind a non-passthrough IOMMU.
+ */
+static void snd_emu10k1_detect_iommu(struct snd_emu10k1 *emu)
+{
+ struct iommu_domain *domain;
+
+ emu->iommu_workaround = false;
+
+ if (!iommu_present(emu->card->dev->bus))
+ return;
+
+ domain = iommu_get_domain_for_dev(emu->card->dev);
+ if (domain && domain->type == IOMMU_DOMAIN_IDENTITY)
+ return;
+
+ dev_notice(emu->card->dev,
+ "non-passthrough IOMMU detected, widening DMA allocations");
+ emu->iommu_workaround = true;
+}
+
int snd_emu10k1_create(struct snd_card *card,
struct pci_dev *pci,
unsigned short extin_mask,
@@ -1776,6 +1803,7 @@ int snd_emu10k1_create(struct snd_card *card,
struct snd_emu10k1 *emu;
int idx, err;
int is_audigy;
+ size_t page_table_size;
unsigned int silent_page;
const struct snd_emu_chip_details *c;
static struct snd_device_ops ops = {
@@ -1873,12 +1901,13 @@ int snd_emu10k1_create(struct snd_card *card,
is_audigy = emu->audigy = c->emu10k2_chip;
+ snd_emu10k1_detect_iommu(emu);
+
/* set addressing mode */
emu->address_mode = is_audigy ? 0 : 1;
/* set the DMA transfer mask */
emu->dma_mask = emu->address_mode ? EMU10K1_DMA_MASK : AUDIGY_DMA_MASK;
- if (dma_set_mask(&pci->dev, emu->dma_mask) < 0 ||
- dma_set_coherent_mask(&pci->dev, emu->dma_mask) < 0) {
+ if (dma_set_mask_and_coherent(&pci->dev, emu->dma_mask) < 0) {
dev_err(card->dev,
"architecture does not support PCI busmaster DMA with mask 0x%lx\n",
emu->dma_mask);
@@ -1900,11 +1929,17 @@ int snd_emu10k1_create(struct snd_card *card,
emu->port = pci_resource_start(pci, 0);
emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
- if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
- (emu->address_mode ? 32 : 16) * 1024, &emu->ptb_pages) < 0) {
+
+ page_table_size = sizeof(u32) * (emu->address_mode ? MAXPAGES1 :
+ MAXPAGES0);
+ if (snd_emu10k1_alloc_pages_maybe_wider(emu, page_table_size,
+ &emu->ptb_pages) < 0) {
err = -ENOMEM;
goto error;
}
+ dev_dbg(card->dev, "page table address range is %.8lx:%.8lx\n",
+ (unsigned long)emu->ptb_pages.addr,
+ (unsigned long)(emu->ptb_pages.addr + emu->ptb_pages.bytes));
emu->page_ptr_table = vmalloc(emu->max_cache_pages * sizeof(void *));
emu->page_addr_table = vmalloc(emu->max_cache_pages *
@@ -1914,11 +1949,16 @@ int snd_emu10k1_create(struct snd_card *card,
goto error;
}
- if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
- EMUPAGESIZE, &emu->silent_page) < 0) {
+ if (snd_emu10k1_alloc_pages_maybe_wider(emu, EMUPAGESIZE,
+ &emu->silent_page) < 0) {
err = -ENOMEM;
goto error;
}
+ dev_dbg(card->dev, "silent page range is %.8lx:%.8lx\n",
+ (unsigned long)emu->silent_page.addr,
+ (unsigned long)(emu->silent_page.addr +
+ emu->silent_page.bytes));
+
emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
if (emu->memhdr == NULL) {
err = -ENOMEM;
@@ -1993,13 +2033,8 @@ int snd_emu10k1_create(struct snd_card *card,
SPCS_GENERATIONSTATUS | 0x00001200 |
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
- emu->reserved_page = (struct snd_emu10k1_memblk *)
- snd_emu10k1_synth_alloc(emu, 4096);
- if (emu->reserved_page)
- emu->reserved_page->map_locked = 1;
-
/* Clear silent pages and set up pointers */
- memset(emu->silent_page.area, 0, PAGE_SIZE);
+ memset(emu->silent_page.area, 0, emu->silent_page.bytes);
silent_page = emu->silent_page.addr << emu->address_mode;
for (idx = 0; idx < (emu->address_mode ? MAXPAGES1 : MAXPAGES0); idx++)
((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index 2683b97..cefe613 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -411,12 +411,20 @@ static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_emu10k1_pcm *epcm = runtime->private_data;
+ size_t alloc_size;
int err;
if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
return err;
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
+
+ alloc_size = params_buffer_bytes(hw_params);
+ if (emu->iommu_workaround)
+ alloc_size += EMUPAGESIZE;
+ err = snd_pcm_lib_malloc_pages(substream, alloc_size);
+ if (err < 0)
return err;
+ if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
+ runtime->dma_bytes -= EMUPAGESIZE;
if (err > 0) { /* change */
int mapped;
if (epcm->memblk != NULL)
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 4f1f69b..5865f3b 100644
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -34,7 +34,10 @@
* aligned pages in others
*/
#define __set_ptb_entry(emu,page,addr) \
- (((u32 *)(emu)->ptb_pages.area)[page] = cpu_to_le32(((addr) << (emu->address_mode)) | (page)))
+ (((__le32 *)(emu)->ptb_pages.area)[page] = \
+ cpu_to_le32(((addr) << (emu->address_mode)) | (page)))
+#define __get_ptb_entry(emu, page) \
+ (le32_to_cpu(((__le32 *)(emu)->ptb_pages.area)[page]))
#define UNIT_PAGES (PAGE_SIZE / EMUPAGESIZE)
#define MAX_ALIGN_PAGES0 (MAXPAGES0 / UNIT_PAGES)
@@ -44,8 +47,7 @@
/* get offset address from aligned page */
#define aligned_page_offset(page) ((page) << PAGE_SHIFT)
-#if PAGE_SIZE == 4096
-/* page size == EMUPAGESIZE */
+#if PAGE_SIZE == EMUPAGESIZE && !IS_ENABLED(CONFIG_DYNAMIC_DEBUG)
/* fill PTB entrie(s) corresponding to page with addr */
#define set_ptb_entry(emu,page,addr) __set_ptb_entry(emu,page,addr)
/* fill PTB entrie(s) corresponding to page with silence pointer */
@@ -58,6 +60,8 @@ static inline void set_ptb_entry(struct snd_emu10k1 *emu, int page, dma_addr_t a
page *= UNIT_PAGES;
for (i = 0; i < UNIT_PAGES; i++, page++) {
__set_ptb_entry(emu, page, addr);
+ dev_dbg(emu->card->dev, "mapped page %d to entry %.8x\n", page,
+ (unsigned int)__get_ptb_entry(emu, page));
addr += EMUPAGESIZE;
}
}
@@ -65,9 +69,12 @@ static inline void set_silent_ptb(struct snd_emu10k1 *emu, int page)
{
int i;
page *= UNIT_PAGES;
- for (i = 0; i < UNIT_PAGES; i++, page++)
+ for (i = 0; i < UNIT_PAGES; i++, page++) {
/* do not increment ptr */
__set_ptb_entry(emu, page, emu->silent_page.addr);
+ dev_dbg(emu->card->dev, "mapped silent page %d to entry %.8x\n",
+ page, (unsigned int)__get_ptb_entry(emu, page));
+ }
}
#endif /* PAGE_SIZE */
@@ -102,7 +109,7 @@ static void emu10k1_memblk_init(struct snd_emu10k1_memblk *blk)
*/
static int search_empty_map_area(struct snd_emu10k1 *emu, int npages, struct list_head **nextp)
{
- int page = 0, found_page = -ENOMEM;
+ int page = 1, found_page = -ENOMEM;
int max_size = npages;
int size;
struct list_head *candidate = &emu->mapped_link_head;
@@ -147,6 +154,10 @@ static int map_memblk(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk)
page = search_empty_map_area(emu, blk->pages, &next);
if (page < 0) /* not found */
return page;
+ if (page == 0) {
+ dev_err(emu->card->dev, "trying to map zero (reserved) page\n");
+ return -EINVAL;
+ }
/* insert this block in the proper position of mapped list */
list_add_tail(&blk->mapped_link, next);
/* append this as a newest block in order list */
@@ -177,7 +188,7 @@ static int unmap_memblk(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk)
q = get_emu10k1_memblk(p, mapped_link);
start_page = q->mapped_page + q->pages;
} else
- start_page = 0;
+ start_page = 1;
if ((p = blk->mapped_link.next) != &emu->mapped_link_head) {
q = get_emu10k1_memblk(p, mapped_link);
end_page = q->mapped_page;
@@ -366,6 +377,33 @@ int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk)
return snd_emu10k1_synth_free(emu, blk);
}
+/*
+ * allocate DMA pages, widening the allocation if necessary
+ *
+ * See the comment above snd_emu10k1_detect_iommu() in emu10k1_main.c why
+ * this might be needed.
+ *
+ * If you modify this function check whether __synth_free_pages() also needs
+ * changes.
+ */
+int snd_emu10k1_alloc_pages_maybe_wider(struct snd_emu10k1 *emu, size_t size,
+ struct snd_dma_buffer *dmab)
+{
+ if (emu->iommu_workaround) {
+ size_t npages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
+ size_t size_real = npages * PAGE_SIZE;
+
+ /*
+ * The device has been observed to accesses up to 256 extra
+ * bytes, but use 1k to be safe.
+ */
+ if (size_real < size + 1024)
+ size += PAGE_SIZE;
+ }
+
+ return snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+ snd_dma_pci_data(emu->pci), size, dmab);
+}
/*
* memory allocation using multiple pages (for synth)
@@ -450,10 +488,27 @@ static void get_single_page_range(struct snd_util_memhdr *hdr,
static void __synth_free_pages(struct snd_emu10k1 *emu, int first_page,
int last_page)
{
+ struct snd_dma_buffer dmab;
int page;
+ dmab.dev.type = SNDRV_DMA_TYPE_DEV;
+ dmab.dev.dev = snd_dma_pci_data(emu->pci);
+
for (page = first_page; page <= last_page; page++) {
- free_page((unsigned long)emu->page_ptr_table[page]);
+ if (emu->page_ptr_table[page] == NULL)
+ continue;
+ dmab.area = emu->page_ptr_table[page];
+ dmab.addr = emu->page_addr_table[page];
+
+ /*
+ * please keep me in sync with logic in
+ * snd_emu10k1_alloc_pages_maybe_wider()
+ */
+ dmab.bytes = PAGE_SIZE;
+ if (emu->iommu_workaround)
+ dmab.bytes *= 2;
+
+ snd_dma_free_pages(&dmab);
emu->page_addr_table[page] = 0;
emu->page_ptr_table[page] = NULL;
}
@@ -465,30 +520,30 @@ static void __synth_free_pages(struct snd_emu10k1 *emu, int first_page,
static int synth_alloc_pages(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *blk)
{
int page, first_page, last_page;
+ struct snd_dma_buffer dmab;
emu10k1_memblk_init(blk);
get_single_page_range(emu->memhdr, blk, &first_page, &last_page);
/* allocate kernel pages */
for (page = first_page; page <= last_page; page++) {
- /* first try to allocate from <4GB zone */
- struct page *p = alloc_page(GFP_KERNEL | GFP_DMA32 |
- __GFP_NOWARN);
- if (!p || (page_to_pfn(p) & ~(emu->dma_mask >> PAGE_SHIFT))) {
- if (p)
- __free_page(p);
- /* try to allocate from <16MB zone */
- p = alloc_page(GFP_ATOMIC | GFP_DMA |
- __GFP_NORETRY | /* no OOM-killer */
- __GFP_NOWARN);
+ if (snd_emu10k1_alloc_pages_maybe_wider(emu, PAGE_SIZE,
+ &dmab) < 0)
+ goto __fail;
+ if (!is_valid_page(emu, dmab.addr)) {
+ snd_dma_free_pages(&dmab);
+ goto __fail;
}
- if (!p) {
- __synth_free_pages(emu, first_page, page - 1);
- return -ENOMEM;
- }
- emu->page_addr_table[page] = page_to_phys(p);
- emu->page_ptr_table[page] = page_address(p);
+ emu->page_addr_table[page] = dmab.addr;
+ emu->page_ptr_table[page] = dmab.area;
}
return 0;
+
+__fail:
+ /* release allocated pages */
+ last_page = page - 1;
+ __synth_free_pages(emu, first_page, last_page);
+
+ return -ENOMEM;
}
/*
diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index c397e7d..066b5b5 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Digital Beep Input Interface for HD-audio codec
*
- * Author: Matt Ranostay <mranostay@gmail.com>
+ * Author: Matt Ranostay <matt.ranostay@konsulko.com>
* Copyright (c) 2008 Embedded Alley Solutions Inc
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/input.h>
diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h
index 1052ad3..d1a6a9c 100644
--- a/sound/pci/hda/hda_beep.h
+++ b/sound/pci/hda/hda_beep.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Digital Beep Input Interface for HD-audio codec
*
- * Author: Matt Ranostay <mranostay@gmail.com>
+ * Author: Matt Ranostay <matt.ranostay@konsulko.com>
* Copyright (c) 2008 Embedded Alley Solutions Inc
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SOUND_HDA_BEEP_H
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e018ecb..5bc3a74 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2702,32 +2702,6 @@ void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
}
EXPORT_SYMBOL_GPL(snd_hda_codec_set_power_to_all);
-/*
- * wait until the state is reached, returns the current state
- */
-static unsigned int hda_sync_power_state(struct hda_codec *codec,
- hda_nid_t fg,
- unsigned int power_state)
-{
- unsigned long end_time = jiffies + msecs_to_jiffies(500);
- unsigned int state, actual_state;
-
- for (;;) {
- state = snd_hda_codec_read(codec, fg, 0,
- AC_VERB_GET_POWER_STATE, 0);
- if (state & AC_PWRST_ERROR)
- break;
- actual_state = (state >> 4) & 0x0f;
- if (actual_state == power_state)
- break;
- if (time_after_eq(jiffies, end_time))
- break;
- /* wait until the codec reachs to the target state */
- msleep(1);
- }
- return state;
-}
-
/**
* snd_hda_codec_eapd_power_filter - A power filter callback for EAPD
* @codec: the HDA codec
@@ -2790,7 +2764,7 @@ static unsigned int hda_set_power_state(struct hda_codec *codec,
state);
snd_hda_codec_set_power_to_all(codec, fg, power_state);
}
- state = hda_sync_power_state(codec, fg, power_state);
+ state = snd_hda_sync_power_state(codec, fg, power_state);
if (!(state & AC_PWRST_ERROR))
break;
}
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index c507c69..ccffce0 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2434,6 +2434,9 @@ static const struct pci_device_id azx_ids[] = {
/* Cannonlake */
{ PCI_DEVICE(0x8086, 0x9dc8),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
+ /* Icelake */
+ { PCI_DEVICE(0x8086, 0x34c8),
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
/* Broxton-P(Apollolake) */
{ PCI_DEVICE(0x8086, 0x5a98),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON },
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 5b5c324..321e78b 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -622,7 +622,11 @@ snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
{
return snd_hdac_check_power_state(&codec->core, nid, target_state);
}
-
+static inline bool snd_hda_sync_power_state(struct hda_codec *codec,
+ hda_nid_t nid, unsigned int target_state)
+{
+ return snd_hdac_sync_power_state(&codec->core, nid, target_state);
+}
unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
hda_nid_t nid,
unsigned int power_state);
diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c
index 0dbaccf..21806ba 100644
--- a/sound/pci/ice1712/juli.c
+++ b/sound/pci/ice1712/juli.c
@@ -27,6 +27,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <sound/core.h>
#include <sound/tlv.h>
@@ -425,10 +426,9 @@ DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1);
static struct snd_kcontrol *ctl_find(struct snd_card *card,
const char *name)
{
- struct snd_ctl_elem_id sid;
- memset(&sid, 0, sizeof(sid));
- /* FIXME: strcpy is bad. */
- strcpy(sid.name, name);
+ struct snd_ctl_elem_id sid = {0};
+
+ strlcpy(sid.name, name, sizeof(sid.name));
sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_find_id(card, &sid);
}
diff --git a/sound/pci/ice1712/quartet.c b/sound/pci/ice1712/quartet.c
index d145b5e..5bc8362 100644
--- a/sound/pci/ice1712/quartet.c
+++ b/sound/pci/ice1712/quartet.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include <sound/info.h>
@@ -785,10 +786,9 @@ DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1);
static struct snd_kcontrol *ctl_find(struct snd_card *card,
const char *name)
{
- struct snd_ctl_elem_id sid;
- memset(&sid, 0, sizeof(sid));
- /* FIXME: strcpy is bad. */
- strcpy(sid.name, name);
+ struct snd_ctl_elem_id sid = {0};
+
+ strlcpy(sid.name, name, sizeof(sid.name));
sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
return snd_ctl_find_id(card, &sid);
}
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 8018d56..4a1c6bb 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -7,6 +7,7 @@
* Alan Cox (alan@lxorguk.ukuu.org.uk)
* Thomas Sailer (sailer@ife.ee.ethz.ch)
*
+ * Audio Class 3.0 support by Ruslan Bilovol <ruslan.bilovol@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -44,6 +45,7 @@
#include <linux/mutex.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <linux/usb/audio-v3.h>
#include <linux/module.h>
#include <sound/control.h>
@@ -281,7 +283,8 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
break;
}
- case UAC_VERSION_2: {
+ case UAC_VERSION_2:
+ case UAC_VERSION_3: {
struct usb_interface_assoc_descriptor *assoc =
usb_ifnum_to_if(dev, ctrlif)->intf_assoc;
@@ -301,7 +304,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
}
if (!assoc) {
- dev_err(&dev->dev, "Audio class v2 interfaces need an interface association\n");
+ dev_err(&dev->dev, "Audio class v2/v3 interfaces need an interface association\n");
return -EINVAL;
}
diff --git a/sound/usb/card.h b/sound/usb/card.h
index ed87cc8..1406292 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -22,7 +22,7 @@ struct audioformat {
unsigned char endpoint; /* endpoint */
unsigned char ep_attr; /* endpoint attributes */
unsigned char datainterval; /* log_2 of data packet interval */
- unsigned char protocol; /* UAC_VERSION_1/2 */
+ unsigned char protocol; /* UAC_VERSION_1/2/3 */
unsigned int maxpacksize; /* max. packet size */
unsigned int rates; /* rate bitmasks */
unsigned int rate_min, rate_max; /* min/max rates */
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index eb3396f..ab39ccb 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -23,6 +23,7 @@
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <linux/usb/audio-v3.h>
#include <sound/core.h>
#include <sound/info.h>
@@ -50,6 +51,22 @@ static struct uac_clock_source_descriptor *
return NULL;
}
+static struct uac3_clock_source_descriptor *
+ snd_usb_find_clock_source_v3(struct usb_host_interface *ctrl_iface,
+ int clock_id)
+{
+ struct uac3_clock_source_descriptor *cs = NULL;
+
+ while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
+ ctrl_iface->extralen,
+ cs, UAC3_CLOCK_SOURCE))) {
+ if (cs->bClockID == clock_id)
+ return cs;
+ }
+
+ return NULL;
+}
+
static struct uac_clock_selector_descriptor *
snd_usb_find_clock_selector(struct usb_host_interface *ctrl_iface,
int clock_id)
@@ -69,6 +86,22 @@ static struct uac_clock_selector_descriptor *
return NULL;
}
+static struct uac3_clock_selector_descriptor *
+ snd_usb_find_clock_selector_v3(struct usb_host_interface *ctrl_iface,
+ int clock_id)
+{
+ struct uac3_clock_selector_descriptor *cs = NULL;
+
+ while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
+ ctrl_iface->extralen,
+ cs, UAC3_CLOCK_SELECTOR))) {
+ if (cs->bClockID == clock_id)
+ return cs;
+ }
+
+ return NULL;
+}
+
static struct uac_clock_multiplier_descriptor *
snd_usb_find_clock_multiplier(struct usb_host_interface *ctrl_iface,
int clock_id)
@@ -85,6 +118,22 @@ static struct uac_clock_multiplier_descriptor *
return NULL;
}
+static struct uac3_clock_multiplier_descriptor *
+ snd_usb_find_clock_multiplier_v3(struct usb_host_interface *ctrl_iface,
+ int clock_id)
+{
+ struct uac3_clock_multiplier_descriptor *cs = NULL;
+
+ while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra,
+ ctrl_iface->extralen,
+ cs, UAC3_CLOCK_MULTIPLIER))) {
+ if (cs->bClockID == clock_id)
+ return cs;
+ }
+
+ return NULL;
+}
+
static int uac_clock_selector_get_val(struct snd_usb_audio *chip, int selector_id)
{
unsigned char buf;
@@ -138,20 +187,34 @@ static int uac_clock_selector_set_val(struct snd_usb_audio *chip, int selector_i
return ret;
}
-static bool uac_clock_source_is_valid(struct snd_usb_audio *chip, int source_id)
+static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
+ int protocol,
+ int source_id)
{
int err;
unsigned char data;
struct usb_device *dev = chip->dev;
- struct uac_clock_source_descriptor *cs_desc =
- snd_usb_find_clock_source(chip->ctrl_intf, source_id);
+ u32 bmControls;
- if (!cs_desc)
- return 0;
+ if (protocol == UAC_VERSION_3) {
+ struct uac3_clock_source_descriptor *cs_desc =
+ snd_usb_find_clock_source_v3(chip->ctrl_intf, source_id);
+
+ if (!cs_desc)
+ return 0;
+ bmControls = le32_to_cpu(cs_desc->bmControls);
+ } else { /* UAC_VERSION_1/2 */
+ struct uac_clock_source_descriptor *cs_desc =
+ snd_usb_find_clock_source(chip->ctrl_intf, source_id);
+
+ if (!cs_desc)
+ return 0;
+ bmControls = cs_desc->bmControls;
+ }
/* If a clock source can't tell us whether it's valid, we assume it is */
- if (!uac2_control_is_readable(cs_desc->bmControls,
- UAC2_CS_CONTROL_CLOCK_VALID - 1))
+ if (!uac_v2v3_control_is_readable(bmControls,
+ UAC2_CS_CONTROL_CLOCK_VALID))
return 1;
err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
@@ -170,9 +233,8 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip, int source_id)
return !!data;
}
-static int __uac_clock_find_source(struct snd_usb_audio *chip,
- int entity_id, unsigned long *visited,
- bool validate)
+static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
+ unsigned long *visited, bool validate)
{
struct uac_clock_source_descriptor *source;
struct uac_clock_selector_descriptor *selector;
@@ -191,7 +253,8 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
source = snd_usb_find_clock_source(chip->ctrl_intf, entity_id);
if (source) {
entity_id = source->bClockID;
- if (validate && !uac_clock_source_is_valid(chip, entity_id)) {
+ if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_2,
+ entity_id)) {
usb_audio_err(chip,
"clock source %d is not valid, cannot use\n",
entity_id);
@@ -260,6 +323,97 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
return -EINVAL;
}
+static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
+ unsigned long *visited, bool validate)
+{
+ struct uac3_clock_source_descriptor *source;
+ struct uac3_clock_selector_descriptor *selector;
+ struct uac3_clock_multiplier_descriptor *multiplier;
+
+ entity_id &= 0xff;
+
+ if (test_and_set_bit(entity_id, visited)) {
+ usb_audio_warn(chip,
+ "%s(): recursive clock topology detected, id %d.\n",
+ __func__, entity_id);
+ return -EINVAL;
+ }
+
+ /* first, see if the ID we're looking for is a clock source already */
+ source = snd_usb_find_clock_source_v3(chip->ctrl_intf, entity_id);
+ if (source) {
+ entity_id = source->bClockID;
+ if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_3,
+ entity_id)) {
+ usb_audio_err(chip,
+ "clock source %d is not valid, cannot use\n",
+ entity_id);
+ return -ENXIO;
+ }
+ return entity_id;
+ }
+
+ selector = snd_usb_find_clock_selector_v3(chip->ctrl_intf, entity_id);
+ if (selector) {
+ int ret, i, cur;
+
+ /* the entity ID we are looking for is a selector.
+ * find out what it currently selects */
+ ret = uac_clock_selector_get_val(chip, selector->bClockID);
+ if (ret < 0)
+ return ret;
+
+ /* Selector values are one-based */
+
+ if (ret > selector->bNrInPins || ret < 1) {
+ usb_audio_err(chip,
+ "%s(): selector reported illegal value, id %d, ret %d\n",
+ __func__, selector->bClockID, ret);
+
+ return -EINVAL;
+ }
+
+ cur = ret;
+ ret = __uac3_clock_find_source(chip, selector->baCSourceID[ret - 1],
+ visited, validate);
+ if (!validate || ret > 0 || !chip->autoclock)
+ return ret;
+
+ /* The current clock source is invalid, try others. */
+ for (i = 1; i <= selector->bNrInPins; i++) {
+ int err;
+
+ if (i == cur)
+ continue;
+
+ ret = __uac3_clock_find_source(chip, selector->baCSourceID[i - 1],
+ visited, true);
+ if (ret < 0)
+ continue;
+
+ err = uac_clock_selector_set_val(chip, entity_id, i);
+ if (err < 0)
+ continue;
+
+ usb_audio_info(chip,
+ "found and selected valid clock source %d\n",
+ ret);
+ return ret;
+ }
+
+ return -ENXIO;
+ }
+
+ /* FIXME: multipliers only act as pass-thru element for now */
+ multiplier = snd_usb_find_clock_multiplier_v3(chip->ctrl_intf,
+ entity_id);
+ if (multiplier)
+ return __uac3_clock_find_source(chip, multiplier->bCSourceID,
+ visited, validate);
+
+ return -EINVAL;
+}
+
/*
* For all kinds of sample rate settings and other device queries,
* the clock source (end-leaf) must be used. However, clock selectors,
@@ -271,12 +425,22 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
*
* Returns the clock source UnitID (>=0) on success, or an error.
*/
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int entity_id,
- bool validate)
+int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
+ int entity_id, bool validate)
{
DECLARE_BITMAP(visited, 256);
memset(visited, 0, sizeof(visited));
- return __uac_clock_find_source(chip, entity_id, visited, validate);
+
+ switch (protocol) {
+ case UAC_VERSION_2:
+ return __uac_clock_find_source(chip, entity_id, visited,
+ validate);
+ case UAC_VERSION_3:
+ return __uac3_clock_find_source(chip, entity_id, visited,
+ validate);
+ default:
+ return -EINVAL;
+ }
}
static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
@@ -335,7 +499,7 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
return 0;
}
-static int get_sample_rate_v2(struct snd_usb_audio *chip, int iface,
+static int get_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
int altsetting, int clock)
{
struct usb_device *dev = chip->dev;
@@ -348,7 +512,7 @@ static int get_sample_rate_v2(struct snd_usb_audio *chip, int iface,
snd_usb_ctrl_intf(chip) | (clock << 8),
&data, sizeof(data));
if (err < 0) {
- dev_warn(&dev->dev, "%d:%d: cannot get freq (v2): err %d\n",
+ dev_warn(&dev->dev, "%d:%d: cannot get freq (v2/v3): err %d\n",
iface, altsetting, err);
return 0;
}
@@ -356,7 +520,7 @@ static int get_sample_rate_v2(struct snd_usb_audio *chip, int iface,
return le32_to_cpu(data);
}
-static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
+static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
struct usb_host_interface *alts,
struct audioformat *fmt, int rate)
{
@@ -365,18 +529,31 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
int err, cur_rate, prev_rate;
int clock;
bool writeable;
- struct uac_clock_source_descriptor *cs_desc;
+ u32 bmControls;
- clock = snd_usb_clock_find_source(chip, fmt->clock, true);
+ clock = snd_usb_clock_find_source(chip, fmt->protocol,
+ fmt->clock, true);
if (clock < 0)
return clock;
- prev_rate = get_sample_rate_v2(chip, iface, fmt->altsetting, clock);
+ prev_rate = get_sample_rate_v2v3(chip, iface, fmt->altsetting, clock);
if (prev_rate == rate)
return 0;
- cs_desc = snd_usb_find_clock_source(chip->ctrl_intf, clock);
- writeable = uac2_control_is_writeable(cs_desc->bmControls, UAC2_CS_CONTROL_SAM_FREQ - 1);
+ if (fmt->protocol == UAC_VERSION_3) {
+ struct uac3_clock_source_descriptor *cs_desc;
+
+ cs_desc = snd_usb_find_clock_source_v3(chip->ctrl_intf, clock);
+ bmControls = le32_to_cpu(cs_desc->bmControls);
+ } else {
+ struct uac_clock_source_descriptor *cs_desc;
+
+ cs_desc = snd_usb_find_clock_source(chip->ctrl_intf, clock);
+ bmControls = cs_desc->bmControls;
+ }
+
+ writeable = uac_v2v3_control_is_writeable(bmControls,
+ UAC2_CS_CONTROL_SAM_FREQ);
if (writeable) {
data = cpu_to_le32(rate);
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR,
@@ -386,12 +563,13 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
&data, sizeof(data));
if (err < 0) {
usb_audio_err(chip,
- "%d:%d: cannot set freq %d (v2): err %d\n",
+ "%d:%d: cannot set freq %d (v2/v3): err %d\n",
iface, fmt->altsetting, rate, err);
return err;
}
- cur_rate = get_sample_rate_v2(chip, iface, fmt->altsetting, clock);
+ cur_rate = get_sample_rate_v2v3(chip, iface,
+ fmt->altsetting, clock);
} else {
cur_rate = prev_rate;
}
@@ -430,7 +608,8 @@ int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
return set_sample_rate_v1(chip, iface, alts, fmt, rate);
case UAC_VERSION_2:
- return set_sample_rate_v2(chip, iface, alts, fmt, rate);
+ case UAC_VERSION_3:
+ return set_sample_rate_v2v3(chip, iface, alts, fmt, rate);
}
}
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index 87557ca..076e31b 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -6,7 +6,7 @@ int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
struct usb_host_interface *alts,
struct audioformat *fmt, int rate);
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int entity_id,
- bool validate);
+int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
+ int entity_id, bool validate);
#endif /* __USBAUDIO_CLOCK_H */
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 2c44386..49e7ec6 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -20,6 +20,7 @@
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <linux/usb/audio-v3.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -39,11 +40,11 @@
* @dev: usb device
* @fp: audioformat record
* @format: the format tag (wFormatTag)
- * @fmt: the format type descriptor
+ * @fmt: the format type descriptor (v1/v2) or AudioStreaming descriptor (v3)
*/
static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
struct audioformat *fp,
- unsigned int format, void *_fmt)
+ u64 format, void *_fmt)
{
int sample_width, sample_bytes;
u64 pcm_formats = 0;
@@ -54,7 +55,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
struct uac_format_type_i_discrete_descriptor *fmt = _fmt;
sample_width = fmt->bBitResolution;
sample_bytes = fmt->bSubframeSize;
- format = 1 << format;
+ format = 1ULL << format;
break;
}
@@ -69,6 +70,18 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
format <<= 1;
break;
}
+ case UAC_VERSION_3: {
+ struct uac3_as_header_descriptor *as = _fmt;
+
+ sample_width = as->bBitResolution;
+ sample_bytes = as->bSubslotSize;
+
+ if (format & UAC3_FORMAT_TYPE_I_RAW_DATA)
+ pcm_formats |= SNDRV_PCM_FMTBIT_SPECIAL;
+
+ format <<= 1;
+ break;
+ }
}
if ((pcm_formats == 0) &&
@@ -137,7 +150,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip,
}
if (format & ~0x3f) {
usb_audio_info(chip,
- "%u:%d : unsupported format bits %#x\n",
+ "%u:%d : unsupported format bits %#llx\n",
fp->iface, fp->altsetting, format);
}
@@ -281,15 +294,16 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
/*
* parse the format descriptor and stores the possible sample rates
- * on the audioformat table (audio class v2).
+ * on the audioformat table (audio class v2 and v3).
*/
-static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
+static int parse_audio_format_rates_v2v3(struct snd_usb_audio *chip,
struct audioformat *fp)
{
struct usb_device *dev = chip->dev;
unsigned char tmp[2], *data;
int nr_triplets, data_size, ret = 0;
- int clock = snd_usb_clock_find_source(chip, fp->clock, false);
+ int clock = snd_usb_clock_find_source(chip, fp->protocol,
+ fp->clock, false);
if (clock < 0) {
dev_err(&dev->dev,
@@ -368,13 +382,30 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip,
* parse the format type I and III descriptors
*/
static int parse_audio_format_i(struct snd_usb_audio *chip,
- struct audioformat *fp, unsigned int format,
- struct uac_format_type_i_continuous_descriptor *fmt)
+ struct audioformat *fp, u64 format,
+ void *_fmt)
{
snd_pcm_format_t pcm_format;
+ unsigned int fmt_type;
int ret;
- if (fmt->bFormatType == UAC_FORMAT_TYPE_III) {
+ switch (fp->protocol) {
+ default:
+ case UAC_VERSION_1:
+ case UAC_VERSION_2: {
+ struct uac_format_type_i_continuous_descriptor *fmt = _fmt;
+
+ fmt_type = fmt->bFormatType;
+ break;
+ }
+ case UAC_VERSION_3: {
+ /* fp->fmt_type is already set in this case */
+ fmt_type = fp->fmt_type;
+ break;
+ }
+ }
+
+ if (fmt_type == UAC_FORMAT_TYPE_III) {
/* FIXME: the format type is really IECxxx
* but we give normal PCM format to get the existing
* apps working...
@@ -393,7 +424,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
}
fp->formats = pcm_format_to_bits(pcm_format);
} else {
- fp->formats = parse_audio_format_i_type(chip, fp, format, fmt);
+ fp->formats = parse_audio_format_i_type(chip, fp, format, _fmt);
if (!fp->formats)
return -EINVAL;
}
@@ -405,15 +436,20 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
*/
switch (fp->protocol) {
default:
- case UAC_VERSION_1:
+ case UAC_VERSION_1: {
+ struct uac_format_type_i_continuous_descriptor *fmt = _fmt;
+
fp->channels = fmt->bNrChannels;
ret = parse_audio_format_rates_v1(chip, fp, (unsigned char *) fmt, 7);
break;
+ }
case UAC_VERSION_2:
+ case UAC_VERSION_3: {
/* fp->channels is already set in this case */
- ret = parse_audio_format_rates_v2(chip, fp);
+ ret = parse_audio_format_rates_v2v3(chip, fp);
break;
}
+ }
if (fp->channels < 1) {
usb_audio_err(chip,
@@ -430,7 +466,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
*/
static int parse_audio_format_ii(struct snd_usb_audio *chip,
struct audioformat *fp,
- int format, void *_fmt)
+ u64 format, void *_fmt)
{
int brate, framesize, ret;
@@ -445,7 +481,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
break;
default:
usb_audio_info(chip,
- "%u:%d : unknown format tag %#x is detected. processed as MPEG.\n",
+ "%u:%d : unknown format tag %#llx is detected. processed as MPEG.\n",
fp->iface, fp->altsetting, format);
fp->formats = SNDRV_PCM_FMTBIT_MPEG;
break;
@@ -470,7 +506,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
framesize = le16_to_cpu(fmt->wSamplesPerFrame);
usb_audio_info(chip, "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize);
fp->frame_size = framesize;
- ret = parse_audio_format_rates_v2(chip, fp);
+ ret = parse_audio_format_rates_v2v3(chip, fp);
break;
}
}
@@ -479,7 +515,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
}
int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
- struct audioformat *fp, unsigned int format,
+ struct audioformat *fp, u64 format,
struct uac_format_type_i_continuous_descriptor *fmt,
int stream)
{
@@ -520,3 +556,26 @@ int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
return 0;
}
+int snd_usb_parse_audio_format_v3(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ struct uac3_as_header_descriptor *as,
+ int stream)
+{
+ u64 format = le64_to_cpu(as->bmFormats);
+ int err;
+
+ /*
+ * Type I format bits are D0..D6
+ * This test works because type IV is not supported
+ */
+ if (format & 0x7f)
+ fp->fmt_type = UAC_FORMAT_TYPE_I;
+ else
+ fp->fmt_type = UAC_FORMAT_TYPE_III;
+
+ err = parse_audio_format_i(chip, fp, format, as);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
diff --git a/sound/usb/format.h b/sound/usb/format.h
index 8c3ff9c..e701718 100644
--- a/sound/usb/format.h
+++ b/sound/usb/format.h
@@ -3,8 +3,12 @@
#define __USBAUDIO_FORMAT_H
int snd_usb_parse_audio_format(struct snd_usb_audio *chip,
- struct audioformat *fp, unsigned int format,
+ struct audioformat *fp, u64 format,
struct uac_format_type_i_continuous_descriptor *fmt,
int stream);
+int snd_usb_parse_audio_format_v3(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ struct uac3_as_header_descriptor *as,
+ int stream);
#endif /* __USBAUDIO_FORMAT_H */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 06b2262..301ad61 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -51,6 +51,7 @@
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <linux/usb/audio-v3.h>
#include <sound/core.h>
#include <sound/control.h>
@@ -189,7 +190,7 @@ static void *find_audio_control_unit(struct mixer_build *state,
USB_DT_CS_INTERFACE)) != NULL) {
if (hdr->bLength >= 4 &&
hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL &&
- hdr->bDescriptorSubtype <= UAC2_SAMPLE_RATE_CONVERTER &&
+ hdr->bDescriptorSubtype <= UAC3_SAMPLE_RATE_CONVERTER &&
hdr->bUnitID == unit)
return hdr;
}
@@ -468,9 +469,10 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
validx += cval->idx_off;
+
if (cval->head.mixer->protocol == UAC_VERSION_1) {
val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
- } else { /* UAC_VERSION_2 */
+ } else { /* UAC_VERSION_2/3 */
val_len = uac2_ctl_value_size(cval->val_type);
/* FIXME */
@@ -723,6 +725,7 @@ static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm
static int check_input_term(struct mixer_build *state, int id,
struct usb_audio_term *term)
{
+ int protocol = state->mixer->protocol;
int err;
void *p1;
@@ -730,16 +733,104 @@ static int check_input_term(struct mixer_build *state, int id,
while ((p1 = find_audio_control_unit(state, id)) != NULL) {
unsigned char *hdr = p1;
term->id = id;
- switch (hdr[2]) {
- case UAC_INPUT_TERMINAL:
- if (state->mixer->protocol == UAC_VERSION_1) {
- struct uac_input_terminal_descriptor *d = p1;
- term->type = le16_to_cpu(d->wTerminalType);
- term->channels = d->bNrChannels;
- term->chconfig = le16_to_cpu(d->wChannelConfig);
- term->name = d->iTerminal;
- } else { /* UAC_VERSION_2 */
- struct uac2_input_terminal_descriptor *d = p1;
+
+ if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) {
+ switch (hdr[2]) {
+ case UAC_INPUT_TERMINAL:
+ if (protocol == UAC_VERSION_1) {
+ struct uac_input_terminal_descriptor *d = p1;
+
+ term->type = le16_to_cpu(d->wTerminalType);
+ term->channels = d->bNrChannels;
+ term->chconfig = le16_to_cpu(d->wChannelConfig);
+ term->name = d->iTerminal;
+ } else { /* UAC_VERSION_2 */
+ struct uac2_input_terminal_descriptor *d = p1;
+
+ /* call recursively to verify that the
+ * referenced clock entity is valid */
+ err = check_input_term(state, d->bCSourceID, term);
+ if (err < 0)
+ return err;
+
+ /* save input term properties after recursion,
+ * to ensure they are not overriden by the
+ * recursion calls */
+ term->id = id;
+ term->type = le16_to_cpu(d->wTerminalType);
+ term->channels = d->bNrChannels;
+ term->chconfig = le32_to_cpu(d->bmChannelConfig);
+ term->name = d->iTerminal;
+ }
+ return 0;
+ case UAC_FEATURE_UNIT: {
+ /* the header is the same for v1 and v2 */
+ struct uac_feature_unit_descriptor *d = p1;
+
+ id = d->bSourceID;
+ break; /* continue to parse */
+ }
+ case UAC_MIXER_UNIT: {
+ struct uac_mixer_unit_descriptor *d = p1;
+
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->channels = uac_mixer_unit_bNrChannels(d);
+ term->chconfig = uac_mixer_unit_wChannelConfig(d, protocol);
+ term->name = uac_mixer_unit_iMixer(d);
+ return 0;
+ }
+ case UAC_SELECTOR_UNIT:
+ case UAC2_CLOCK_SELECTOR: {
+ struct uac_selector_unit_descriptor *d = p1;
+ /* call recursively to retrieve the channel info */
+ err = check_input_term(state, d->baSourceID[0], term);
+ if (err < 0)
+ return err;
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->id = id;
+ term->name = uac_selector_unit_iSelector(d);
+ return 0;
+ }
+ case UAC1_PROCESSING_UNIT:
+ case UAC1_EXTENSION_UNIT:
+ /* UAC2_PROCESSING_UNIT_V2 */
+ /* UAC2_EFFECT_UNIT */
+ case UAC2_EXTENSION_UNIT_V2: {
+ struct uac_processing_unit_descriptor *d = p1;
+
+ if (protocol == UAC_VERSION_2 &&
+ hdr[2] == UAC2_EFFECT_UNIT) {
+ /* UAC2/UAC1 unit IDs overlap here in an
+ * uncompatible way. Ignore this unit for now.
+ */
+ return 0;
+ }
+
+ if (d->bNrInPins) {
+ id = d->baSourceID[0];
+ break; /* continue to parse */
+ }
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->channels = uac_processing_unit_bNrChannels(d);
+ term->chconfig = uac_processing_unit_wChannelConfig(d, protocol);
+ term->name = uac_processing_unit_iProcessing(d, protocol);
+ return 0;
+ }
+ case UAC2_CLOCK_SOURCE: {
+ struct uac_clock_source_descriptor *d = p1;
+
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->id = id;
+ term->name = d->iClockSource;
+ return 0;
+ }
+ default:
+ return -ENODEV;
+ }
+ } else { /* UAC_VERSION_3 */
+ switch (hdr[2]) {
+ case UAC_INPUT_TERMINAL: {
+ struct uac3_input_terminal_descriptor *d = p1;
/* call recursively to verify that the
* referenced clock entity is valid */
@@ -752,71 +843,31 @@ static int check_input_term(struct mixer_build *state, int id,
* recursion calls */
term->id = id;
term->type = le16_to_cpu(d->wTerminalType);
- term->channels = d->bNrChannels;
- term->chconfig = le32_to_cpu(d->bmChannelConfig);
- term->name = d->iTerminal;
- }
- return 0;
- case UAC_FEATURE_UNIT: {
- /* the header is the same for v1 and v2 */
- struct uac_feature_unit_descriptor *d = p1;
- id = d->bSourceID;
- break; /* continue to parse */
- }
- case UAC_MIXER_UNIT: {
- struct uac_mixer_unit_descriptor *d = p1;
- term->type = d->bDescriptorSubtype << 16; /* virtual type */
- term->channels = uac_mixer_unit_bNrChannels(d);
- term->chconfig = uac_mixer_unit_wChannelConfig(d, state->mixer->protocol);
- term->name = uac_mixer_unit_iMixer(d);
- return 0;
- }
- case UAC_SELECTOR_UNIT:
- case UAC2_CLOCK_SELECTOR: {
- struct uac_selector_unit_descriptor *d = p1;
- /* call recursively to retrieve the channel info */
- err = check_input_term(state, d->baSourceID[0], term);
- if (err < 0)
- return err;
- term->type = d->bDescriptorSubtype << 16; /* virtual type */
- term->id = id;
- term->name = uac_selector_unit_iSelector(d);
- return 0;
- }
- case UAC1_PROCESSING_UNIT:
- case UAC1_EXTENSION_UNIT:
- /* UAC2_PROCESSING_UNIT_V2 */
- /* UAC2_EFFECT_UNIT */
- case UAC2_EXTENSION_UNIT_V2: {
- struct uac_processing_unit_descriptor *d = p1;
- if (state->mixer->protocol == UAC_VERSION_2 &&
- hdr[2] == UAC2_EFFECT_UNIT) {
- /* UAC2/UAC1 unit IDs overlap here in an
- * uncompatible way. Ignore this unit for now.
- */
+ /* REVISIT: UAC3 IT doesn't have channels/cfg */
+ term->channels = 0;
+ term->chconfig = 0;
+
+ term->name = le16_to_cpu(d->wTerminalDescrStr);
return 0;
}
+ case UAC3_FEATURE_UNIT: {
+ struct uac3_feature_unit_descriptor *d = p1;
- if (d->bNrInPins) {
- id = d->baSourceID[0];
+ id = d->bSourceID;
break; /* continue to parse */
}
- term->type = d->bDescriptorSubtype << 16; /* virtual type */
- term->channels = uac_processing_unit_bNrChannels(d);
- term->chconfig = uac_processing_unit_wChannelConfig(d, state->mixer->protocol);
- term->name = uac_processing_unit_iProcessing(d, state->mixer->protocol);
- return 0;
- }
- case UAC2_CLOCK_SOURCE: {
- struct uac_clock_source_descriptor *d = p1;
- term->type = d->bDescriptorSubtype << 16; /* virtual type */
- term->id = id;
- term->name = d->iClockSource;
- return 0;
- }
- default:
- return -ENODEV;
+ case UAC3_CLOCK_SOURCE: {
+ struct uac3_clock_source_descriptor *d = p1;
+
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->id = id;
+ term->name = le16_to_cpu(d->wClockSourceStr);
+ return 0;
+ }
+ default:
+ return -ENODEV;
+ }
}
}
return -ENODEV;
@@ -828,26 +879,27 @@ static int check_input_term(struct mixer_build *state, int id,
/* feature unit control information */
struct usb_feature_control_info {
+ int control;
const char *name;
int type; /* data type for uac1 */
int type_uac2; /* data type for uac2 if different from uac1, else -1 */
};
static struct usb_feature_control_info audio_feature_info[] = {
- { "Mute", USB_MIXER_INV_BOOLEAN, -1 },
- { "Volume", USB_MIXER_S16, -1 },
- { "Tone Control - Bass", USB_MIXER_S8, -1 },
- { "Tone Control - Mid", USB_MIXER_S8, -1 },
- { "Tone Control - Treble", USB_MIXER_S8, -1 },
- { "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemeted yet */
- { "Auto Gain Control", USB_MIXER_BOOLEAN, -1 },
- { "Delay Control", USB_MIXER_U16, USB_MIXER_U32 },
- { "Bass Boost", USB_MIXER_BOOLEAN, -1 },
- { "Loudness", USB_MIXER_BOOLEAN, -1 },
+ { UAC_FU_MUTE, "Mute", USB_MIXER_INV_BOOLEAN, -1 },
+ { UAC_FU_VOLUME, "Volume", USB_MIXER_S16, -1 },
+ { UAC_FU_BASS, "Tone Control - Bass", USB_MIXER_S8, -1 },
+ { UAC_FU_MID, "Tone Control - Mid", USB_MIXER_S8, -1 },
+ { UAC_FU_TREBLE, "Tone Control - Treble", USB_MIXER_S8, -1 },
+ { UAC_FU_GRAPHIC_EQUALIZER, "Graphic Equalizer", USB_MIXER_S8, -1 }, /* FIXME: not implemented yet */
+ { UAC_FU_AUTOMATIC_GAIN, "Auto Gain Control", USB_MIXER_BOOLEAN, -1 },
+ { UAC_FU_DELAY, "Delay Control", USB_MIXER_U16, USB_MIXER_U32 },
+ { UAC_FU_BASS_BOOST, "Bass Boost", USB_MIXER_BOOLEAN, -1 },
+ { UAC_FU_LOUDNESS, "Loudness", USB_MIXER_BOOLEAN, -1 },
/* UAC2 specific */
- { "Input Gain Control", USB_MIXER_S16, -1 },
- { "Input Gain Pad Control", USB_MIXER_S16, -1 },
- { "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 },
+ { UAC2_FU_INPUT_GAIN, "Input Gain Control", USB_MIXER_S16, -1 },
+ { UAC2_FU_INPUT_GAIN_PAD, "Input Gain Pad Control", USB_MIXER_S16, -1 },
+ { UAC2_FU_PHASE_INVERTER, "Phase Inverter Control", USB_MIXER_BOOLEAN, -1 },
};
/* private_free callback */
@@ -1183,6 +1235,21 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol,
return changed;
}
+/* get the boolean value from the master channel of a UAC control */
+static int mixer_ctl_master_bool_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_elem_info *cval = kcontrol->private_data;
+ int val, err;
+
+ err = snd_usb_get_cur_mix_value(cval, 0, 0, &val);
+ if (err < 0)
+ return filter_error(cval, err);
+ val = (val != 0);
+ ucontrol->value.integer.value[0] = val;
+ return 0;
+}
+
static struct snd_kcontrol_new usb_feature_unit_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "", /* will be filled later manually */
@@ -1201,6 +1268,19 @@ static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = {
};
/*
+ * A control which shows the boolean value from reading a UAC control on
+ * the master channel.
+ */
+static struct snd_kcontrol_new usb_bool_master_control_ctl_ro = {
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "", /* will be filled later manually */
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = snd_ctl_boolean_mono_info,
+ .get = mixer_ctl_master_bool_get,
+ .put = NULL,
+};
+
+/*
* This symbol is exported in order to allow the mixer quirks to
* hook up to the standard feature unit control mechanism
*/
@@ -1242,6 +1322,17 @@ static void check_no_speaker_on_headset(struct snd_kcontrol *kctl,
strlcpy(kctl->id.name, "Headphone", sizeof(kctl->id.name));
}
+static struct usb_feature_control_info *get_feature_control_info(int control)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(audio_feature_info); ++i) {
+ if (audio_feature_info[i].control == control)
+ return &audio_feature_info[i];
+ }
+ return NULL;
+}
+
static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
unsigned int ctl_mask, int control,
struct usb_audio_term *iterm, int unitid,
@@ -1257,8 +1348,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
const struct usbmix_name_map *map;
unsigned int range;
- control++; /* change from zero-based to 1-based value */
-
if (control == UAC_FU_GRAPHIC_EQUALIZER) {
/* FIXME: not supported yet */
return;
@@ -1274,7 +1363,12 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
snd_usb_mixer_elem_init_std(&cval->head, state->mixer, unitid);
cval->control = control;
cval->cmask = ctl_mask;
- ctl_info = &audio_feature_info[control-1];
+
+ ctl_info = get_feature_control_info(control);
+ if (!ctl_info) {
+ kfree(cval);
+ return;
+ }
if (state->mixer->protocol == UAC_VERSION_1)
cval->val_type = ctl_info->type;
else /* UAC_VERSION_2 */
@@ -1400,6 +1494,60 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
snd_usb_mixer_add_control(&cval->head, kctl);
}
+static void get_connector_control_name(struct mixer_build *state,
+ struct usb_audio_term *term,
+ bool is_input, char *name, int name_size)
+{
+ int name_len = get_term_name(state, term, name, name_size, 0);
+
+ if (name_len == 0)
+ strlcpy(name, "Unknown", name_size);
+
+ /*
+ * sound/core/ctljack.c has a convention of naming jack controls
+ * by ending in " Jack". Make it slightly more useful by
+ * indicating Input or Output after the terminal name.
+ */
+ if (is_input)
+ strlcat(name, " - Input Jack", name_size);
+ else
+ strlcat(name, " - Output Jack", name_size);
+}
+
+/* Build a mixer control for a UAC connector control (jack-detect) */
+static void build_connector_control(struct mixer_build *state,
+ struct usb_audio_term *term, bool is_input)
+{
+ struct snd_kcontrol *kctl;
+ struct usb_mixer_elem_info *cval;
+
+ cval = kzalloc(sizeof(*cval), GFP_KERNEL);
+ if (!cval)
+ return;
+ snd_usb_mixer_elem_init_std(&cval->head, state->mixer, term->id);
+ /*
+ * The first byte from reading the UAC2_TE_CONNECTOR control returns the
+ * number of channels connected. This boolean ctl will simply report
+ * if any channels are connected or not.
+ * (Audio20_final.pdf Table 5-10: Connector Control CUR Parameter Block)
+ */
+ cval->control = UAC2_TE_CONNECTOR;
+ cval->val_type = USB_MIXER_BOOLEAN;
+ cval->channels = 1; /* report true if any channel is connected */
+ cval->min = 0;
+ cval->max = 1;
+ kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval);
+ if (!kctl) {
+ usb_audio_err(state->chip, "cannot malloc kcontrol\n");
+ kfree(cval);
+ return;
+ }
+ get_connector_control_name(state, term, is_input, kctl->id.name,
+ sizeof(kctl->id.name));
+ kctl->private_free = snd_usb_mixer_elem_free;
+ snd_usb_mixer_add_control(&cval->head, kctl);
+}
+
static int parse_clock_source_unit(struct mixer_build *state, int unitid,
void *_ftr)
{
@@ -1423,8 +1571,8 @@ static int parse_clock_source_unit(struct mixer_build *state, int unitid,
* The only property of this unit we are interested in is the
* clock source validity. If that isn't readable, just bail out.
*/
- if (!uac2_control_is_readable(hdr->bmControls,
- ilog2(UAC2_CS_CONTROL_CLOCK_VALID)))
+ if (!uac_v2v3_control_is_readable(hdr->bmControls,
+ UAC2_CS_CONTROL_CLOCK_VALID))
return 0;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
@@ -1439,13 +1587,9 @@ static int parse_clock_source_unit(struct mixer_build *state, int unitid,
cval->val_type = USB_MIXER_BOOLEAN;
cval->control = UAC2_CS_CONTROL_CLOCK_VALID;
- if (uac2_control_is_writeable(hdr->bmControls,
- ilog2(UAC2_CS_CONTROL_CLOCK_VALID)))
- kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval);
- else {
- cval->master_readonly = 1;
- kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval);
- }
+ cval->master_readonly = 1;
+ /* From UAC2 5.2.5.1.2 "Only the get request is supported." */
+ kctl = snd_ctl_new1(&usb_bool_master_control_ctl_ro, cval);
if (!kctl) {
kfree(cval);
@@ -1502,7 +1646,7 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
unitid);
return -EINVAL;
}
- } else {
+ } else if (state->mixer->protocol == UAC_VERSION_2) {
struct uac2_feature_unit_descriptor *ftr = _ftr;
if (hdr->bLength < 6) {
usb_audio_err(state->chip,
@@ -1519,6 +1663,24 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
unitid);
return -EINVAL;
}
+ } else { /* UAC_VERSION_3 */
+ struct uac3_feature_unit_descriptor *ftr = _ftr;
+
+ if (hdr->bLength < 7) {
+ usb_audio_err(state->chip,
+ "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
+ csize = 4;
+ channels = (ftr->bLength - 7) / 4 - 1;
+ bmaControls = ftr->bmaControls;
+ if (hdr->bLength < 7 + csize) {
+ usb_audio_err(state->chip,
+ "unit %u: invalid UAC3_FEATURE_UNIT descriptor\n",
+ unitid);
+ return -EINVAL;
+ }
}
/* parse the source unit */
@@ -1556,6 +1718,8 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
/* check all control types */
for (i = 0; i < 10; i++) {
unsigned int ch_bits = 0;
+ int control = audio_feature_info[i].control;
+
for (j = 0; j < channels; j++) {
unsigned int mask;
@@ -1571,25 +1735,26 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
* (for ease of programming).
*/
if (ch_bits & 1)
- build_feature_ctl(state, _ftr, ch_bits, i,
+ build_feature_ctl(state, _ftr, ch_bits, control,
&iterm, unitid, 0);
if (master_bits & (1 << i))
- build_feature_ctl(state, _ftr, 0, i, &iterm,
- unitid, 0);
+ build_feature_ctl(state, _ftr, 0, control,
+ &iterm, unitid, 0);
}
- } else { /* UAC_VERSION_2 */
+ } else { /* UAC_VERSION_2/3 */
for (i = 0; i < ARRAY_SIZE(audio_feature_info); i++) {
unsigned int ch_bits = 0;
unsigned int ch_read_only = 0;
+ int control = audio_feature_info[i].control;
for (j = 0; j < channels; j++) {
unsigned int mask;
mask = snd_usb_combine_bytes(bmaControls +
csize * (j+1), csize);
- if (uac2_control_is_readable(mask, i)) {
+ if (uac_v2v3_control_is_readable(mask, control)) {
ch_bits |= (1 << j);
- if (!uac2_control_is_writeable(mask, i))
+ if (!uac_v2v3_control_is_writeable(mask, control))
ch_read_only |= (1 << j);
}
}
@@ -1608,11 +1773,12 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
* (for ease of programming).
*/
if (ch_bits & 1)
- build_feature_ctl(state, _ftr, ch_bits, i,
+ build_feature_ctl(state, _ftr, ch_bits, control,
&iterm, unitid, ch_read_only);
- if (uac2_control_is_readable(master_bits, i))
+ if (uac_v2v3_control_is_readable(master_bits, control))
build_feature_ctl(state, _ftr, 0, i, &iterm, unitid,
- !uac2_control_is_writeable(master_bits, i));
+ !uac_v2v3_control_is_writeable(master_bits,
+ control));
}
}
@@ -1684,6 +1850,23 @@ static void build_mixer_unit_ctl(struct mixer_build *state,
snd_usb_mixer_add_control(&cval->head, kctl);
}
+static int parse_audio_input_terminal(struct mixer_build *state, int unitid,
+ void *raw_desc)
+{
+ struct usb_audio_term iterm;
+ struct uac2_input_terminal_descriptor *d = raw_desc;
+
+ check_input_term(state, d->bTerminalID, &iterm);
+ if (state->mixer->protocol == UAC_VERSION_2) {
+ /* Check for jack detection. */
+ if (uac_v2v3_control_is_readable(d->bmControls,
+ UAC2_TE_CONNECTOR)) {
+ build_connector_control(state, &iterm, true);
+ }
+ }
+ return 0;
+}
+
/*
* parse a mixer unit
*/
@@ -2220,6 +2403,7 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid,
static int parse_audio_unit(struct mixer_build *state, int unitid)
{
unsigned char *p1;
+ int protocol = state->mixer->protocol;
if (test_and_set_bit(unitid, state->unitbitmap))
return 0; /* the unit already visited */
@@ -2230,36 +2414,61 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
return -EINVAL;
}
- switch (p1[2]) {
- case UAC_INPUT_TERMINAL:
- return 0; /* NOP */
- case UAC_MIXER_UNIT:
- return parse_audio_mixer_unit(state, unitid, p1);
- case UAC2_CLOCK_SOURCE:
- return parse_clock_source_unit(state, unitid, p1);
- case UAC_SELECTOR_UNIT:
- case UAC2_CLOCK_SELECTOR:
- return parse_audio_selector_unit(state, unitid, p1);
- case UAC_FEATURE_UNIT:
- return parse_audio_feature_unit(state, unitid, p1);
- case UAC1_PROCESSING_UNIT:
- /* UAC2_EFFECT_UNIT has the same value */
- if (state->mixer->protocol == UAC_VERSION_1)
- return parse_audio_processing_unit(state, unitid, p1);
- else
- return 0; /* FIXME - effect units not implemented yet */
- case UAC1_EXTENSION_UNIT:
- /* UAC2_PROCESSING_UNIT_V2 has the same value */
- if (state->mixer->protocol == UAC_VERSION_1)
+ if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) {
+ switch (p1[2]) {
+ case UAC_INPUT_TERMINAL:
+ return parse_audio_input_terminal(state, unitid, p1);
+ case UAC_MIXER_UNIT:
+ return parse_audio_mixer_unit(state, unitid, p1);
+ case UAC2_CLOCK_SOURCE:
+ return parse_clock_source_unit(state, unitid, p1);
+ case UAC_SELECTOR_UNIT:
+ case UAC2_CLOCK_SELECTOR:
+ return parse_audio_selector_unit(state, unitid, p1);
+ case UAC_FEATURE_UNIT:
+ return parse_audio_feature_unit(state, unitid, p1);
+ case UAC1_PROCESSING_UNIT:
+ /* UAC2_EFFECT_UNIT has the same value */
+ if (protocol == UAC_VERSION_1)
+ return parse_audio_processing_unit(state, unitid, p1);
+ else
+ return 0; /* FIXME - effect units not implemented yet */
+ case UAC1_EXTENSION_UNIT:
+ /* UAC2_PROCESSING_UNIT_V2 has the same value */
+ if (protocol == UAC_VERSION_1)
+ return parse_audio_extension_unit(state, unitid, p1);
+ else /* UAC_VERSION_2 */
+ return parse_audio_processing_unit(state, unitid, p1);
+ case UAC2_EXTENSION_UNIT_V2:
return parse_audio_extension_unit(state, unitid, p1);
- else /* UAC_VERSION_2 */
+ default:
+ usb_audio_err(state->chip,
+ "unit %u: unexpected type 0x%02x\n", unitid, p1[2]);
+ return -EINVAL;
+ }
+ } else { /* UAC_VERSION_3 */
+ switch (p1[2]) {
+ case UAC_INPUT_TERMINAL:
+ return 0; /* NOP */
+ case UAC3_MIXER_UNIT:
+ return parse_audio_mixer_unit(state, unitid, p1);
+ case UAC3_CLOCK_SOURCE:
+ return parse_clock_source_unit(state, unitid, p1);
+ case UAC3_CLOCK_SELECTOR:
+ return parse_audio_selector_unit(state, unitid, p1);
+ case UAC3_FEATURE_UNIT:
+ return parse_audio_feature_unit(state, unitid, p1);
+ case UAC3_EFFECT_UNIT:
+ return 0; /* FIXME - effect units not implemented yet */
+ case UAC3_PROCESSING_UNIT:
return parse_audio_processing_unit(state, unitid, p1);
- case UAC2_EXTENSION_UNIT_V2:
- return parse_audio_extension_unit(state, unitid, p1);
- default:
- usb_audio_err(state->chip,
- "unit %u: unexpected type 0x%02x\n", unitid, p1[2]);
- return -EINVAL;
+ case UAC3_EXTENSION_UNIT:
+ return parse_audio_extension_unit(state, unitid, p1);
+ default:
+ usb_audio_err(state->chip,
+ "unit %u: unexpected type 0x%02x\n", unitid, p1[2]);
+ return -EINVAL;
+ }
}
}
@@ -2330,7 +2539,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
err = parse_audio_unit(&state, desc->bSourceID);
if (err < 0 && err != -EINVAL)
return err;
- } else { /* UAC_VERSION_2 */
+ } else if (mixer->protocol == UAC_VERSION_2) {
struct uac2_output_terminal_descriptor *desc = p;
if (desc->bLength < sizeof(*desc))
@@ -2351,6 +2560,33 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
err = parse_audio_unit(&state, desc->bCSourceID);
if (err < 0 && err != -EINVAL)
return err;
+
+ if (uac_v2v3_control_is_readable(desc->bmControls,
+ UAC2_TE_CONNECTOR)) {
+ build_connector_control(&state, &state.oterm,
+ false);
+ }
+ } else { /* UAC_VERSION_3 */
+ struct uac3_output_terminal_descriptor *desc = p;
+
+ if (desc->bLength < sizeof(*desc))
+ continue; /* invalid descriptor? */
+ /* mark terminal ID as visited */
+ set_bit(desc->bTerminalID, state.unitbitmap);
+ state.oterm.id = desc->bTerminalID;
+ state.oterm.type = le16_to_cpu(desc->wTerminalType);
+ state.oterm.name = le16_to_cpu(desc->wTerminalDescrStr);
+ err = parse_audio_unit(&state, desc->bSourceID);
+ if (err < 0 && err != -EINVAL)
+ return err;
+
+ /*
+ * For UAC3, use the same approach to also add the
+ * clock selectors
+ */
+ err = parse_audio_unit(&state, desc->bCSourceID);
+ if (err < 0 && err != -EINVAL)
+ return err;
}
}
@@ -2597,6 +2833,9 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
case UAC_VERSION_2:
mixer->protocol = UAC_VERSION_2;
break;
+ case UAC_VERSION_3:
+ mixer->protocol = UAC_VERSION_3;
+ break;
}
if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 794224e1..acbeb52 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1149,27 +1149,17 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
return false;
}
-/* Marantz/Denon USB DACs need a vendor cmd to switch
+/* ITF-USB DSD based DACs need a vendor cmd to switch
* between PCM and native DSD mode
*/
-static bool is_marantz_denon_dac(unsigned int id)
+static bool is_itf_usb_dsd_dac(unsigned int id)
{
switch (id) {
case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
- return true;
- }
- return false;
-}
-
-/* TEAC UD-501/UD-503/NT-503 USB DACs need a vendor cmd to switch
- * between PCM/DOP and native DSD mode
- */
-static bool is_teac_dsd_dac(unsigned int id)
-{
- switch (id) {
- case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-503/NT-503 */
+ case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
+ case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
return true;
@@ -1183,7 +1173,7 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
struct usb_device *dev = subs->dev;
int err;
- if (is_marantz_denon_dac(subs->stream->chip->usb_id)) {
+ if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
/* First switch to alt set 0, otherwise the mode switch cmd
* will not be accepted by the DAC
*/
@@ -1193,37 +1183,26 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
mdelay(20); /* Delay needed after setting the interface */
- switch (fmt->altsetting) {
- case 2: /* DSD mode requested */
- case 1: /* PCM mode requested */
- err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
- USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
- fmt->altsetting - 1, 1, NULL, 0);
- if (err < 0)
- return err;
- break;
- }
- mdelay(20);
- } else if (is_teac_dsd_dac(subs->stream->chip->usb_id)) {
/* Vendor mode switch cmd is required. */
- switch (fmt->altsetting) {
- case 3: /* DSD mode (DSD_U32) requested */
+ if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
+ /* DSD mode (DSD_U32) requested */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1, 1, NULL, 0);
if (err < 0)
return err;
- break;
- case 2: /* PCM or DOP mode (S32) requested */
- case 1: /* PCM mode (S16) requested */
+ } else {
+ /* PCM or DOP mode (S32) requested */
+ /* PCM mode (S16) requested */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
0, 1, NULL, 0);
if (err < 0)
return err;
- break;
+
}
+ mdelay(20);
}
return 0;
}
@@ -1300,10 +1279,10 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
- /* Marantz/Denon devices with USB DAC functionality need a delay
+ /* ITF-USB DSD based DACs functionality need a delay
* after each class compliant request
*/
- if (is_marantz_denon_dac(chip->usb_id)
+ if (is_itf_usb_dsd_dac(chip->usb_id)
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
@@ -1329,6 +1308,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
struct audioformat *fp,
unsigned int sample_bytes)
{
+ struct usb_interface *iface;
+
/* Playback Designs */
if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
switch (fp->altsetting) {
@@ -1390,17 +1371,52 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
break;
}
- /* Denon/Marantz devices with USB DAC functionality */
- if (is_marantz_denon_dac(chip->usb_id)) {
- if (fp->altsetting == 2)
- return SNDRV_PCM_FMTBIT_DSD_U32_BE;
- }
+ /* ITF-USB DSD based DACs */
+ if (is_itf_usb_dsd_dac(chip->usb_id)) {
+ iface = usb_ifnum_to_if(chip->dev, fp->iface);
- /* TEAC devices with USB DAC functionality */
- if (is_teac_dsd_dac(chip->usb_id)) {
- if (fp->altsetting == 3)
+ /* Altsetting 2 support native DSD if the num of altsets is
+ * three (0-2),
+ * Altsetting 3 support native DSD if the num of altsets is
+ * four (0-3).
+ */
+ if (fp->altsetting == iface->num_altsetting - 1)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
}
return 0;
}
+
+void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ int stream)
+{
+ switch (chip->usb_id) {
+ case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
+ /* Optoplay sets the sample rate attribute although
+ * it seems not supporting it in fact.
+ */
+ fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
+ break;
+ case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
+ case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
+ /* doesn't set the sample rate attribute, but supports it */
+ fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
+ break;
+ case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
+ case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
+ case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
+ case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
+ an older model 77d:223) */
+ /*
+ * plantronics headset and Griffin iMic have set adaptive-in
+ * although it's really not...
+ */
+ fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
+ else
+ fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
+ break;
+ }
+}
diff --git a/sound/usb/quirks.h b/sound/usb/quirks.h
index b90c8b7..a80e0dd 100644
--- a/sound/usb/quirks.h
+++ b/sound/usb/quirks.h
@@ -42,4 +42,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
struct audioformat *fp,
unsigned int sample_bytes);
+void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ int stream);
+
#endif /* __USBAUDIO_QUIRKS_H */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index d1776e5..6a8f584 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -20,6 +20,7 @@
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
+#include <linux/usb/audio-v3.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -311,6 +312,153 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
return chmap;
}
+/* UAC3 device stores channels information in Cluster Descriptors */
+static struct
+snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor
+ *cluster)
+{
+ unsigned int channels = cluster->bNrChannels;
+ struct snd_pcm_chmap_elem *chmap;
+ void *p = cluster;
+ int len, c;
+
+ if (channels > ARRAY_SIZE(chmap->map))
+ return NULL;
+
+ chmap = kzalloc(sizeof(*chmap), GFP_KERNEL);
+ if (!chmap)
+ return NULL;
+
+ len = le16_to_cpu(cluster->wLength);
+ c = 0;
+ p += sizeof(struct uac3_cluster_header_descriptor);
+
+ while (((p - (void *)cluster) < len) && (c < channels)) {
+ struct uac3_cluster_segment_descriptor *cs_desc = p;
+ u16 cs_len;
+ u8 cs_type;
+
+ cs_len = le16_to_cpu(cs_desc->wLength);
+ cs_type = cs_desc->bSegmentType;
+
+ if (cs_type == UAC3_CHANNEL_INFORMATION) {
+ struct uac3_cluster_information_segment_descriptor *is = p;
+ unsigned char map;
+
+ /*
+ * TODO: this conversion is not complete, update it
+ * after adding UAC3 values to asound.h
+ */
+ switch (is->bChPurpose) {
+ case UAC3_CH_MONO:
+ map = SNDRV_CHMAP_MONO;
+ break;
+ case UAC3_CH_LEFT:
+ case UAC3_CH_FRONT_LEFT:
+ case UAC3_CH_HEADPHONE_LEFT:
+ map = SNDRV_CHMAP_FL;
+ break;
+ case UAC3_CH_RIGHT:
+ case UAC3_CH_FRONT_RIGHT:
+ case UAC3_CH_HEADPHONE_RIGHT:
+ map = SNDRV_CHMAP_FR;
+ break;
+ case UAC3_CH_FRONT_CENTER:
+ map = SNDRV_CHMAP_FC;
+ break;
+ case UAC3_CH_FRONT_LEFT_OF_CENTER:
+ map = SNDRV_CHMAP_FLC;
+ break;
+ case UAC3_CH_FRONT_RIGHT_OF_CENTER:
+ map = SNDRV_CHMAP_FRC;
+ break;
+ case UAC3_CH_SIDE_LEFT:
+ map = SNDRV_CHMAP_SL;
+ break;
+ case UAC3_CH_SIDE_RIGHT:
+ map = SNDRV_CHMAP_SR;
+ break;
+ case UAC3_CH_BACK_LEFT:
+ map = SNDRV_CHMAP_RL;
+ break;
+ case UAC3_CH_BACK_RIGHT:
+ map = SNDRV_CHMAP_RR;
+ break;
+ case UAC3_CH_BACK_CENTER:
+ map = SNDRV_CHMAP_RC;
+ break;
+ case UAC3_CH_BACK_LEFT_OF_CENTER:
+ map = SNDRV_CHMAP_RLC;
+ break;
+ case UAC3_CH_BACK_RIGHT_OF_CENTER:
+ map = SNDRV_CHMAP_RRC;
+ break;
+ case UAC3_CH_TOP_CENTER:
+ map = SNDRV_CHMAP_TC;
+ break;
+ case UAC3_CH_TOP_FRONT_LEFT:
+ map = SNDRV_CHMAP_TFL;
+ break;
+ case UAC3_CH_TOP_FRONT_RIGHT:
+ map = SNDRV_CHMAP_TFR;
+ break;
+ case UAC3_CH_TOP_FRONT_CENTER:
+ map = SNDRV_CHMAP_TFC;
+ break;
+ case UAC3_CH_TOP_FRONT_LOC:
+ map = SNDRV_CHMAP_TFLC;
+ break;
+ case UAC3_CH_TOP_FRONT_ROC:
+ map = SNDRV_CHMAP_TFRC;
+ break;
+ case UAC3_CH_TOP_SIDE_LEFT:
+ map = SNDRV_CHMAP_TSL;
+ break;
+ case UAC3_CH_TOP_SIDE_RIGHT:
+ map = SNDRV_CHMAP_TSR;
+ break;
+ case UAC3_CH_TOP_BACK_LEFT:
+ map = SNDRV_CHMAP_TRL;
+ break;
+ case UAC3_CH_TOP_BACK_RIGHT:
+ map = SNDRV_CHMAP_TRR;
+ break;
+ case UAC3_CH_TOP_BACK_CENTER:
+ map = SNDRV_CHMAP_TRC;
+ break;
+ case UAC3_CH_BOTTOM_CENTER:
+ map = SNDRV_CHMAP_BC;
+ break;
+ case UAC3_CH_LOW_FREQUENCY_EFFECTS:
+ map = SNDRV_CHMAP_LFE;
+ break;
+ case UAC3_CH_LFE_LEFT:
+ map = SNDRV_CHMAP_LLFE;
+ break;
+ case UAC3_CH_LFE_RIGHT:
+ map = SNDRV_CHMAP_RLFE;
+ break;
+ case UAC3_CH_RELATIONSHIP_UNDEFINED:
+ default:
+ map = SNDRV_CHMAP_UNKNOWN;
+ break;
+ }
+ chmap->map[c++] = map;
+ }
+ p += cs_len;
+ }
+
+ if (channels < c)
+ pr_err("%s: channel number mismatch\n", __func__);
+
+ chmap->channels = channels;
+
+ for (; c < channels; c++)
+ chmap->map[c] = SNDRV_CHMAP_UNKNOWN;
+
+ return chmap;
+}
+
/*
* add this endpoint to the chip instance.
* if a stream with the same endpoint already exists, append to it.
@@ -461,10 +609,11 @@ snd_usb_find_input_terminal_descriptor(struct usb_host_interface *ctrl_iface,
return NULL;
}
-static struct uac2_output_terminal_descriptor *
- snd_usb_find_output_terminal_descriptor(struct usb_host_interface *ctrl_iface,
- int terminal_id)
+static void *
+snd_usb_find_output_terminal_descriptor(struct usb_host_interface *ctrl_iface,
+ int terminal_id)
{
+ /* OK to use with both UAC2 and UAC3 */
struct uac2_output_terminal_descriptor *term = NULL;
while ((term = snd_usb_find_csint_desc(ctrl_iface->extra,
@@ -484,10 +633,12 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
struct usb_host_interface *alts;
struct usb_interface_descriptor *altsd;
int i, altno, err, stream;
- unsigned int format = 0, num_channels = 0;
+ u64 format = 0;
+ unsigned int num_channels = 0;
struct audioformat *fp = NULL;
int num, protocol, clock = 0;
- struct uac_format_type_i_continuous_descriptor *fmt;
+ struct uac_format_type_i_continuous_descriptor *fmt = NULL;
+ struct snd_pcm_chmap_elem *chmap_v3 = NULL;
unsigned int chconfig;
dev = chip->dev;
@@ -624,38 +775,158 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
iface_no, altno, as->bTerminalLink);
continue;
}
- }
- /* get format type */
- fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_FORMAT_TYPE);
- if (!fmt) {
+ case UAC_VERSION_3: {
+ struct uac3_input_terminal_descriptor *input_term;
+ struct uac3_output_terminal_descriptor *output_term;
+ struct uac3_as_header_descriptor *as;
+ struct uac3_cluster_header_descriptor *cluster;
+ struct uac3_hc_descriptor_header hc_header;
+ u16 cluster_id, wLength;
+
+ as = snd_usb_find_csint_desc(alts->extra,
+ alts->extralen,
+ NULL, UAC_AS_GENERAL);
+
+ if (!as) {
+ dev_err(&dev->dev,
+ "%u:%d : UAC_AS_GENERAL descriptor not found\n",
+ iface_no, altno);
+ continue;
+ }
+
+ if (as->bLength < sizeof(*as)) {
+ dev_err(&dev->dev,
+ "%u:%d : invalid UAC_AS_GENERAL desc\n",
+ iface_no, altno);
+ continue;
+ }
+
+ cluster_id = le16_to_cpu(as->wClusterDescrID);
+ if (!cluster_id) {
+ dev_err(&dev->dev,
+ "%u:%d : no cluster descriptor\n",
+ iface_no, altno);
+ continue;
+ }
+
+ /*
+ * Get number of channels and channel map through
+ * High Capability Cluster Descriptor
+ *
+ * First step: get High Capability header and
+ * read size of Cluster Descriptor
+ */
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_rcvctrlpipe(chip->dev, 0),
+ UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+ cluster_id,
+ snd_usb_ctrl_intf(chip),
+ &hc_header, sizeof(hc_header));
+ if (err < 0)
+ return err;
+ else if (err != sizeof(hc_header)) {
+ dev_err(&dev->dev,
+ "%u:%d : can't get High Capability descriptor\n",
+ iface_no, altno);
+ return -EIO;
+ }
+
+ /*
+ * Second step: allocate needed amount of memory
+ * and request Cluster Descriptor
+ */
+ wLength = le16_to_cpu(hc_header.wLength);
+ cluster = kzalloc(wLength, GFP_KERNEL);
+ if (!cluster)
+ return -ENOMEM;
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_rcvctrlpipe(chip->dev, 0),
+ UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+ cluster_id,
+ snd_usb_ctrl_intf(chip),
+ cluster, wLength);
+ if (err < 0) {
+ kfree(cluster);
+ return err;
+ } else if (err != wLength) {
+ dev_err(&dev->dev,
+ "%u:%d : can't get Cluster Descriptor\n",
+ iface_no, altno);
+ kfree(cluster);
+ return -EIO;
+ }
+
+ num_channels = cluster->bNrChannels;
+ chmap_v3 = convert_chmap_v3(cluster);
+
+ kfree(cluster);
+
+ format = le64_to_cpu(as->bmFormats);
+
+ /* lookup the terminal associated to this interface
+ * to extract the clock */
+ input_term = snd_usb_find_input_terminal_descriptor(
+ chip->ctrl_intf,
+ as->bTerminalLink);
+
+ if (input_term) {
+ clock = input_term->bCSourceID;
+ break;
+ }
+
+ output_term = snd_usb_find_output_terminal_descriptor(chip->ctrl_intf,
+ as->bTerminalLink);
+ if (output_term) {
+ clock = output_term->bCSourceID;
+ break;
+ }
+
dev_err(&dev->dev,
- "%u:%d : no UAC_FORMAT_TYPE desc\n",
- iface_no, altno);
+ "%u:%d : bogus bTerminalLink %d\n",
+ iface_no, altno, as->bTerminalLink);
continue;
}
- if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8)) ||
- ((protocol == UAC_VERSION_2) && (fmt->bLength < 6))) {
- dev_err(&dev->dev,
- "%u:%d : invalid UAC_FORMAT_TYPE desc\n",
- iface_no, altno);
- continue;
}
- /*
- * Blue Microphones workaround: The last altsetting is identical
- * with the previous one, except for a larger packet size, but
- * is actually a mislabeled two-channel setting; ignore it.
- */
- if (fmt->bNrChannels == 1 &&
- fmt->bSubframeSize == 2 &&
- altno == 2 && num == 3 &&
- fp && fp->altsetting == 1 && fp->channels == 1 &&
- fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&
- protocol == UAC_VERSION_1 &&
- le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) ==
+ if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) {
+ /* get format type */
+ fmt = snd_usb_find_csint_desc(alts->extra,
+ alts->extralen,
+ NULL, UAC_FORMAT_TYPE);
+ if (!fmt) {
+ dev_err(&dev->dev,
+ "%u:%d : no UAC_FORMAT_TYPE desc\n",
+ iface_no, altno);
+ continue;
+ }
+ if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8))
+ || ((protocol == UAC_VERSION_2) &&
+ (fmt->bLength < 6))) {
+ dev_err(&dev->dev,
+ "%u:%d : invalid UAC_FORMAT_TYPE desc\n",
+ iface_no, altno);
+ continue;
+ }
+
+ /*
+ * Blue Microphones workaround: The last altsetting is
+ * identical with the previous one, except for a larger
+ * packet size, but is actually a mislabeled two-channel
+ * setting; ignore it.
+ */
+ if (fmt->bNrChannels == 1 &&
+ fmt->bSubframeSize == 2 &&
+ altno == 2 && num == 3 &&
+ fp && fp->altsetting == 1 && fp->channels == 1 &&
+ fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&
+ protocol == UAC_VERSION_1 &&
+ le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) ==
fp->maxpacksize * 2)
- continue;
+ continue;
+ }
fp = kzalloc(sizeof(*fp), GFP_KERNEL);
if (!fp)
@@ -678,48 +949,42 @@ int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
INIT_LIST_HEAD(&fp->list);
/* some quirks for attributes here */
-
- switch (chip->usb_id) {
- case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
- /* Optoplay sets the sample rate attribute although
- * it seems not supporting it in fact.
- */
- fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
- break;
- case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
- case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
- /* doesn't set the sample rate attribute, but supports it */
- fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
- break;
- case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
- case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
- case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
- case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
- an older model 77d:223) */
- /*
- * plantronics headset and Griffin iMic have set adaptive-in
- * although it's really not...
- */
- fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
- else
- fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
- break;
- }
+ snd_usb_audioformat_attributes_quirk(chip, fp, stream);
/* ok, let's parse further... */
- if (snd_usb_parse_audio_format(chip, fp, format, fmt, stream) < 0) {
- kfree(fp->rate_table);
- kfree(fp);
- fp = NULL;
- continue;
+ if (protocol == UAC_VERSION_1 || protocol == UAC_VERSION_2) {
+ if (snd_usb_parse_audio_format(chip, fp, format,
+ fmt, stream) < 0) {
+ kfree(fp->rate_table);
+ kfree(fp);
+ fp = NULL;
+ continue;
+ }
+ } else {
+ struct uac3_as_header_descriptor *as;
+
+ as = snd_usb_find_csint_desc(alts->extra,
+ alts->extralen,
+ NULL, UAC_AS_GENERAL);
+
+ if (snd_usb_parse_audio_format_v3(chip, fp, as,
+ stream) < 0) {
+ kfree(fp->rate_table);
+ kfree(fp);
+ fp = NULL;
+ continue;
+ }
}
/* Create chmap */
if (fp->channels != num_channels)
chconfig = 0;
- fp->chmap = convert_chmap(fp->channels, chconfig, protocol);
+
+ if (protocol == UAC_VERSION_3)
+ fp->chmap = chmap_v3;
+ else
+ fp->chmap = convert_chmap(fp->channels, chconfig,
+ protocol);
dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);
err = snd_usb_add_audio_stream(chip, stream, fp);