struct snd_pcm_substream *substream,
int type);
void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type);
+void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
+ struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
struct hdac_ext_stream *azx_dev, bool decouple);
void snd_hdac_ext_stop_streams(struct hdac_bus *bus);
#ifndef __SOUND_MEMALLOC_H
#define __SOUND_MEMALLOC_H
+#include <linux/dma-direction.h>
#include <asm/page.h>
struct device;
struct vm_area_struct;
+struct sg_table;
/*
* buffer device info
*/
struct snd_dma_device {
int type; /* SNDRV_DMA_TYPE_XXX */
+ enum dma_data_direction dir; /* DMA direction */
+ bool need_sync; /* explicit sync needed? */
struct device *dev; /* generic device */
};
#define SNDRV_DMA_TYPE_CONTINUOUS 1 /* continuous no-DMA memory */
#define SNDRV_DMA_TYPE_DEV 2 /* generic device continuous */
#define SNDRV_DMA_TYPE_DEV_WC 5 /* continuous write-combined */
-#ifdef CONFIG_SND_DMA_SGBUF
-#define SNDRV_DMA_TYPE_DEV_SG 3 /* generic device SG-buffer */
-#define SNDRV_DMA_TYPE_DEV_WC_SG 6 /* SG write-combined */
-#else
-#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
-#define SNDRV_DMA_TYPE_DEV_WC_SG SNDRV_DMA_TYPE_DEV_WC
-#endif
#ifdef CONFIG_GENERIC_ALLOCATOR
#define SNDRV_DMA_TYPE_DEV_IRAM 4 /* generic device iram-buffer */
#else
#define SNDRV_DMA_TYPE_DEV_IRAM SNDRV_DMA_TYPE_DEV
#endif
#define SNDRV_DMA_TYPE_VMALLOC 7 /* vmalloc'ed buffer */
+#define SNDRV_DMA_TYPE_NONCONTIG 8 /* non-coherent SG buffer */
+#define SNDRV_DMA_TYPE_NONCOHERENT 9 /* non-coherent buffer */
+#ifdef CONFIG_SND_DMA_SGBUF
+#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_NONCONTIG
+#define SNDRV_DMA_TYPE_DEV_WC_SG 6 /* SG write-combined */
+#else
+#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
+#define SNDRV_DMA_TYPE_DEV_WC_SG SNDRV_DMA_TYPE_DEV_WC
+#endif
/*
* info for buffer allocation
}
/* allocate/release a buffer */
-int snd_dma_alloc_pages(int type, struct device *dev, size_t size,
- struct snd_dma_buffer *dmab);
+int snd_dma_alloc_dir_pages(int type, struct device *dev,
+ enum dma_data_direction dir, size_t size,
+ struct snd_dma_buffer *dmab);
+
+static inline int snd_dma_alloc_pages(int type, struct device *dev,
+ size_t size, struct snd_dma_buffer *dmab)
+{
+ return snd_dma_alloc_dir_pages(type, dev, DMA_BIDIRECTIONAL, size, dmab);
+}
+
int snd_dma_alloc_pages_fallback(int type, struct device *dev, size_t size,
struct snd_dma_buffer *dmab);
void snd_dma_free_pages(struct snd_dma_buffer *dmab);
int snd_dma_buffer_mmap(struct snd_dma_buffer *dmab,
struct vm_area_struct *area);
+enum snd_dma_sync_mode { SNDRV_DMA_SYNC_CPU, SNDRV_DMA_SYNC_DEVICE };
+#ifdef CONFIG_HAS_DMA
+void snd_dma_buffer_sync(struct snd_dma_buffer *dmab,
+ enum snd_dma_sync_mode mode);
+#else
+static inline void snd_dma_buffer_sync(struct snd_dma_buffer *dmab,
+ enum snd_dma_sync_mode mode) {}
+#endif
+
dma_addr_t snd_sgbuf_get_addr(struct snd_dma_buffer *dmab, size_t offset);
struct page *snd_sgbuf_get_page(struct snd_dma_buffer *dmab, size_t offset);
unsigned int snd_sgbuf_get_chunk_size(struct snd_dma_buffer *dmab,
unsigned int ofs, unsigned int size);
/* device-managed memory allocator */
-struct snd_dma_buffer *snd_devm_alloc_pages(struct device *dev, int type,
- size_t size);
+struct snd_dma_buffer *snd_devm_alloc_dir_pages(struct device *dev, int type,
+ enum dma_data_direction dir,
+ size_t size);
+
+static inline struct snd_dma_buffer *
+snd_devm_alloc_pages(struct device *dev, int type, size_t size)
+{
+ return snd_devm_alloc_dir_pages(dev, type, DMA_BIDIRECTIONAL, size);
+}
+
+static inline struct sg_table *
+snd_dma_noncontig_sg_table(struct snd_dma_buffer *dmab)
+{
+ return dmab->private_data;
+}
#endif /* __SOUND_MEMALLOC_H */
#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
-// (1 << 3) is unused.
+/* (1 << 3) is unused. */
#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
#define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c
#define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479
#define SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL 0x7473636d
+#define SNDRV_FIREWIRE_EVENT_MOTU_REGISTER_DSP_CHANGE 0x4d545244
struct snd_firewire_event_common {
unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */
struct snd_firewire_tascam_change changes[0];
};
+struct snd_firewire_event_motu_register_dsp_change {
+ unsigned int type;
+ __u32 count; /* The number of changes. */
+ __u32 changes[]; /* Encoded event for change of register DSP. */
+};
+
union snd_firewire_event {
struct snd_firewire_event_common common;
struct snd_firewire_event_lock_status lock_status;
struct snd_firewire_event_digi00x_message digi00x_message;
struct snd_firewire_event_tascam_control tascam_control;
struct snd_firewire_event_motu_notification motu_notification;
+ struct snd_firewire_event_motu_register_dsp_change motu_register_dsp_change;
};
#define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9)
#define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa)
#define SNDRV_FIREWIRE_IOCTL_TASCAM_STATE _IOR('H', 0xfb, struct snd_firewire_tascam_state)
+#define SNDRV_FIREWIRE_IOCTL_MOTU_REGISTER_DSP_METER _IOR('H', 0xfc, struct snd_firewire_motu_register_dsp_meter)
+#define SNDRV_FIREWIRE_IOCTL_MOTU_COMMAND_DSP_METER _IOR('H', 0xfd, struct snd_firewire_motu_command_dsp_meter)
+#define SNDRV_FIREWIRE_IOCTL_MOTU_REGISTER_DSP_PARAMETER _IOR('H', 0xfe, struct snd_firewire_motu_register_dsp_parameter)
#define SNDRV_FIREWIRE_TYPE_DICE 1
#define SNDRV_FIREWIRE_TYPE_FIREWORKS 2
__be32 data[SNDRV_FIREWIRE_TASCAM_STATE_COUNT];
};
+/*
+ * In below MOTU models, software is allowed to control their DSP by accessing to registers.
+ * - 828mk2
+ * - 896hd
+ * - Traveler
+ * - 8 pre
+ * - Ultralite
+ * - 4 pre
+ * - Audio Express
+ *
+ * On the other hand, the status of DSP is split into specific messages included in the sequence of
+ * isochronous packet. ALSA firewire-motu driver gathers the messages and allow userspace applications
+ * to read it via ioctl. In 828mk2, 896hd, and Traveler, hardware meter for all of physical inputs
+ * are put into the message, while one pair of physical outputs is selected. The selection is done by
+ * LSB one byte in asynchronous write quadlet transaction to 0x'ffff'f000'0b2c.
+ *
+ * I note that V3HD/V4HD uses asynchronous transaction for the purpose. The destination address is
+ * registered to 0x'ffff'f000'0b38 and '0b3c by asynchronous write quadlet request. The size of
+ * message differs between 23 and 51 quadlets. For the case, the number of mixer bus can be extended
+ * up to 12.
+ */
+
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_INPUT_COUNT 24
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_OUTPUT_COUNT 24
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_COUNT \
+ (SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_INPUT_COUNT + SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_OUTPUT_COUNT)
+
+/**
+ * struct snd_firewire_motu_register_dsp_meter - the container for meter information in DSP
+ * controlled by register access
+ * @data: Signal level meters. The mapping between position and input/output channel is
+ * model-dependent.
+ *
+ * The structure expresses the part of DSP status for hardware meter. The u8 storage includes linear
+ * value for audio signal level between 0x00 and 0x7f.
+ */
+struct snd_firewire_motu_register_dsp_meter {
+ __u8 data[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_COUNT];
+};
+
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT 4
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT 20
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_INPUT_COUNT 10
+#define SNDRV_FIREWIRE_MOTU_REGISTER_DSP_ALIGNED_INPUT_COUNT (SNDRV_FIREWIRE_MOTU_REGISTER_DSP_INPUT_COUNT + 2)
+
+/**
+ * snd_firewire_motu_register_dsp_parameter - the container for parameters of DSP controlled
+ * by register access.
+ * @mixer.source.gain: The gain of source to mixer.
+ * @mixer.source.pan: The L/R balance of source to mixer.
+ * @mixer.source.flag: The flag of source to mixer, including mute, solo.
+ * @mixer.source.paired_balance: The L/R balance of paired source to mixer, only for 4 pre and
+ * Audio Express.
+ * @mixer.source.paired_width: The width of paired source to mixer, only for 4 pre and
+ * Audio Express.
+ * @mixer.output.paired_volume: The volume of paired output from mixer.
+ * @mixer.output.paired_flag: The flag of paired output from mixer.
+ * @output.main_paired_volume: The volume of paired main output.
+ * @output.hp_paired_volume: The volume of paired hp output.
+ * @output.hp_paired_assignment: The source assigned to paired hp output.
+ * @output.reserved: Padding for 32 bit alignment for future extension.
+ * @line_input.boost_flag: The flags of boost for line inputs, only for 828mk2 and Traveler.
+ * @line_input.nominal_level_flag: The flags of nominal level for line inputs, only for 828mk2 and
+ * Traveler.
+ * @line_input.reserved: Padding for 32 bit alignment for future extension.
+ * @input.gain_and_invert: The value including gain and invert for input, only for Ultralite, 4 pre
+ * and Audio Express.
+ * @input.flag: The flag of input; e.g. jack detection, phantom power, and pad, only for Ultralite,
+ * 4 pre and Audio express.
+ * @reserved: Padding so that the size of structure is kept to 512 byte, but for future extension.
+ *
+ * The structure expresses the set of parameters for DSP controlled by register access.
+ */
+struct snd_firewire_motu_register_dsp_parameter {
+ struct {
+ struct {
+ __u8 gain[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT];
+ __u8 pan[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT];
+ __u8 flag[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT];
+ __u8 paired_balance[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT];
+ __u8 paired_width[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT];
+ } source[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT];
+ struct {
+ __u8 paired_volume[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT];
+ __u8 paired_flag[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT];
+ } output;
+ } mixer;
+ struct {
+ __u8 main_paired_volume;
+ __u8 hp_paired_volume;
+ __u8 hp_paired_assignment;
+ __u8 reserved[5];
+ } output;
+ struct {
+ __u8 boost_flag;
+ __u8 nominal_level_flag;
+ __u8 reserved[6];
+ } line_input;
+ struct {
+ __u8 gain_and_invert[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_ALIGNED_INPUT_COUNT];
+ __u8 flag[SNDRV_FIREWIRE_MOTU_REGISTER_DSP_ALIGNED_INPUT_COUNT];
+ } input;
+ __u8 reserved[64];
+};
+
+/*
+ * In below MOTU models, software is allowed to control their DSP by command in frame of
+ * asynchronous transaction to 0x'ffff'0001'0000:
+ *
+ * - 828 mk3 (FireWire only and Hybrid)
+ * - 896 mk3 (FireWire only and Hybrid)
+ * - Ultralite mk3 (FireWire only and Hybrid)
+ * - Traveler mk3
+ * - Track 16
+ *
+ * On the other hand, the states of hardware meter is split into specific messages included in the
+ * sequence of isochronous packet. ALSA firewire-motu driver gathers the message and allow userspace
+ * application to read it via ioctl.
+ */
+
+#define SNDRV_FIREWIRE_MOTU_COMMAND_DSP_METER_COUNT 400
+
+/**
+ * struct snd_firewire_motu_command_dsp_meter - the container for meter information in DSP
+ * controlled by command
+ * @data: Signal level meters. The mapping between position and signal channel is model-dependent.
+ *
+ * The structure expresses the part of DSP status for hardware meter. The 32 bit storage is
+ * estimated to include IEEE 764 32 bit single precision floating point (binary32) value. It is
+ * expected to be linear value (not logarithm) for audio signal level between 0.0 and +1.0.
+ */
+struct snd_firewire_motu_command_dsp_meter {
+#ifdef __KERNEL__
+ __u32 data[SNDRV_FIREWIRE_MOTU_COMMAND_DSP_METER_COUNT];
+#else
+ float data[SNDRV_FIREWIRE_MOTU_COMMAND_DSP_METER_COUNT];
+#endif
+};
+
#endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */
snd-y += info.o
snd-$(CONFIG_SND_OSSEMUL) += info_oss.o
endif
+ifneq ($(CONFIG_M68K),y)
snd-$(CONFIG_ISA_DMA_API) += isadma.o
+endif
snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o
snd-$(CONFIG_SND_VMASTER) += vmaster.o
snd-$(CONFIG_SND_JACK) += ctljack.o jack.o
snd-pcm-y := pcm.o pcm_native.o pcm_lib.o pcm_misc.o \
pcm_memory.o memalloc.o
snd-pcm-$(CONFIG_SND_PCM_TIMER) += pcm_timer.o
-snd-pcm-$(CONFIG_SND_DMA_SGBUF) += sgbuf.o
snd-pcm-$(CONFIG_SND_PCM_ELD) += pcm_drm_eld.o
snd-pcm-$(CONFIG_SND_PCM_IEC958) += pcm_iec958.o
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/genalloc.h>
+#include <linux/highmem.h>
#include <linux/vmalloc.h>
#ifdef CONFIG_X86
#include <asm/set_memory.h>
}
/**
- * snd_dma_alloc_pages - allocate the buffer area according to the given type
+ * snd_dma_alloc_dir_pages - allocate the buffer area according to the given
+ * type and direction
* @type: the DMA buffer type
* @device: the device pointer
+ * @dir: DMA direction
* @size: the buffer size to allocate
* @dmab: buffer allocation record to store the allocated data
*
* Return: Zero if the buffer with the given size is allocated successfully,
* otherwise a negative value on error.
*/
-int snd_dma_alloc_pages(int type, struct device *device, size_t size,
- struct snd_dma_buffer *dmab)
+int snd_dma_alloc_dir_pages(int type, struct device *device,
+ enum dma_data_direction dir, size_t size,
+ struct snd_dma_buffer *dmab)
{
if (WARN_ON(!size))
return -ENXIO;
size = PAGE_ALIGN(size);
dmab->dev.type = type;
dmab->dev.dev = device;
+ dmab->dev.dir = dir;
dmab->bytes = 0;
dmab->addr = 0;
dmab->private_data = NULL;
dmab->bytes = size;
return 0;
}
-EXPORT_SYMBOL(snd_dma_alloc_pages);
+EXPORT_SYMBOL(snd_dma_alloc_dir_pages);
/**
* snd_dma_alloc_pages_fallback - allocate the buffer area according to the given type with fallback
}
/**
- * snd_devm_alloc_pages - allocate the buffer and manage with devres
+ * snd_devm_alloc_dir_pages - allocate the buffer and manage with devres
* @dev: the device pointer
* @type: the DMA buffer type
+ * @dir: DMA direction
* @size: the buffer size to allocate
*
* Allocate buffer pages depending on the given type and manage using devres.
* The function returns the snd_dma_buffer object at success, or NULL if failed.
*/
struct snd_dma_buffer *
-snd_devm_alloc_pages(struct device *dev, int type, size_t size)
+snd_devm_alloc_dir_pages(struct device *dev, int type,
+ enum dma_data_direction dir, size_t size)
{
struct snd_dma_buffer *dmab;
int err;
if (!dmab)
return NULL;
- err = snd_dma_alloc_pages(type, dev, size, dmab);
+ err = snd_dma_alloc_dir_pages(type, dev, dir, size, dmab);
if (err < 0) {
devres_free(dmab);
return NULL;
devres_add(dev, dmab);
return dmab;
}
-EXPORT_SYMBOL_GPL(snd_devm_alloc_pages);
+EXPORT_SYMBOL_GPL(snd_devm_alloc_dir_pages);
/**
* snd_dma_buffer_mmap - perform mmap of the given DMA buffer
}
EXPORT_SYMBOL(snd_dma_buffer_mmap);
+#ifdef CONFIG_HAS_DMA
+/**
+ * snd_dma_buffer_sync - sync DMA buffer between CPU and device
+ * @dmab: buffer allocation information
+ * @mode: sync mode
+ */
+void snd_dma_buffer_sync(struct snd_dma_buffer *dmab,
+ enum snd_dma_sync_mode mode)
+{
+ const struct snd_malloc_ops *ops;
+
+ if (!dmab || !dmab->dev.need_sync)
+ return;
+ ops = snd_dma_get_ops(dmab);
+ if (ops && ops->sync)
+ ops->sync(dmab, mode);
+}
+EXPORT_SYMBOL_GPL(snd_dma_buffer_sync);
+#endif /* CONFIG_HAS_DMA */
+
/**
* snd_sgbuf_get_addr - return the physical address at the corresponding offset
* @dmab: buffer allocation information
.mmap = snd_dma_wc_mmap,
};
#endif /* CONFIG_X86 */
+
+/*
+ * Non-contiguous pages allocator
+ */
+static void *snd_dma_noncontig_alloc(struct snd_dma_buffer *dmab, size_t size)
+{
+ struct sg_table *sgt;
+ void *p;
+
+ sgt = dma_alloc_noncontiguous(dmab->dev.dev, size, dmab->dev.dir,
+ DEFAULT_GFP, 0);
+ if (!sgt)
+ return NULL;
+ dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->dev.dir);
+ p = dma_vmap_noncontiguous(dmab->dev.dev, size, sgt);
+ if (p)
+ dmab->private_data = sgt;
+ else
+ dma_free_noncontiguous(dmab->dev.dev, size, sgt, dmab->dev.dir);
+ return p;
+}
+
+static void snd_dma_noncontig_free(struct snd_dma_buffer *dmab)
+{
+ dma_vunmap_noncontiguous(dmab->dev.dev, dmab->area);
+ dma_free_noncontiguous(dmab->dev.dev, dmab->bytes, dmab->private_data,
+ dmab->dev.dir);
+}
+
+static int snd_dma_noncontig_mmap(struct snd_dma_buffer *dmab,
+ struct vm_area_struct *area)
+{
+ return dma_mmap_noncontiguous(dmab->dev.dev, area,
+ dmab->bytes, dmab->private_data);
+}
+
+static void snd_dma_noncontig_sync(struct snd_dma_buffer *dmab,
+ enum snd_dma_sync_mode mode)
+{
+ if (mode == SNDRV_DMA_SYNC_CPU) {
+ if (dmab->dev.dir == DMA_TO_DEVICE)
+ return;
+ dma_sync_sgtable_for_cpu(dmab->dev.dev, dmab->private_data,
+ dmab->dev.dir);
+ invalidate_kernel_vmap_range(dmab->area, dmab->bytes);
+ } else {
+ if (dmab->dev.dir == DMA_FROM_DEVICE)
+ return;
+ flush_kernel_vmap_range(dmab->area, dmab->bytes);
+ dma_sync_sgtable_for_device(dmab->dev.dev, dmab->private_data,
+ dmab->dev.dir);
+ }
+}
+
+static const struct snd_malloc_ops snd_dma_noncontig_ops = {
+ .alloc = snd_dma_noncontig_alloc,
+ .free = snd_dma_noncontig_free,
+ .mmap = snd_dma_noncontig_mmap,
+ .sync = snd_dma_noncontig_sync,
+ /* re-use vmalloc helpers for get_* ops */
+ .get_addr = snd_dma_vmalloc_get_addr,
+ .get_page = snd_dma_vmalloc_get_page,
+ .get_chunk_size = snd_dma_vmalloc_get_chunk_size,
+};
+
+/* x86-specific SG-buffer with WC pages */
+#ifdef CONFIG_SND_DMA_SGBUF
+#define vmalloc_to_virt(v) (unsigned long)page_to_virt(vmalloc_to_page(v))
+
+static void *snd_dma_sg_wc_alloc(struct snd_dma_buffer *dmab, size_t size)
+{
+ void *p = snd_dma_noncontig_alloc(dmab, size);
+ size_t ofs;
+
+ if (!p)
+ return NULL;
+ for (ofs = 0; ofs < size; ofs += PAGE_SIZE)
+ set_memory_uc(vmalloc_to_virt(p + ofs), 1);
+ return p;
+}
+
+static void snd_dma_sg_wc_free(struct snd_dma_buffer *dmab)
+{
+ size_t ofs;
+
+ for (ofs = 0; ofs < dmab->bytes; ofs += PAGE_SIZE)
+ set_memory_wb(vmalloc_to_virt(dmab->area + ofs), 1);
+ snd_dma_noncontig_free(dmab);
+}
+
+static int snd_dma_sg_wc_mmap(struct snd_dma_buffer *dmab,
+ struct vm_area_struct *area)
+{
+ area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
+ /* FIXME: dma_mmap_noncontiguous() works? */
+ return -ENOENT; /* continue with the default mmap handler */
+}
+
+const struct snd_malloc_ops snd_dma_sg_wc_ops = {
+ .alloc = snd_dma_sg_wc_alloc,
+ .free = snd_dma_sg_wc_free,
+ .mmap = snd_dma_sg_wc_mmap,
+ .sync = snd_dma_noncontig_sync,
+ .get_addr = snd_dma_vmalloc_get_addr,
+ .get_page = snd_dma_vmalloc_get_page,
+ .get_chunk_size = snd_dma_vmalloc_get_chunk_size,
+};
+#endif /* CONFIG_SND_DMA_SGBUF */
+
+/*
+ * Non-coherent pages allocator
+ */
+static void *snd_dma_noncoherent_alloc(struct snd_dma_buffer *dmab, size_t size)
+{
+ dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->dev.dir);
+ return dma_alloc_noncoherent(dmab->dev.dev, size, &dmab->addr,
+ dmab->dev.dir, DEFAULT_GFP);
+}
+
+static void snd_dma_noncoherent_free(struct snd_dma_buffer *dmab)
+{
+ dma_free_noncoherent(dmab->dev.dev, dmab->bytes, dmab->area,
+ dmab->addr, dmab->dev.dir);
+}
+
+static int snd_dma_noncoherent_mmap(struct snd_dma_buffer *dmab,
+ struct vm_area_struct *area)
+{
+ area->vm_page_prot = vm_get_page_prot(area->vm_flags);
+ return dma_mmap_pages(dmab->dev.dev, area,
+ area->vm_end - area->vm_start,
+ virt_to_page(dmab->area));
+}
+
+static void snd_dma_noncoherent_sync(struct snd_dma_buffer *dmab,
+ enum snd_dma_sync_mode mode)
+{
+ if (mode == SNDRV_DMA_SYNC_CPU) {
+ if (dmab->dev.dir != DMA_TO_DEVICE)
+ dma_sync_single_for_cpu(dmab->dev.dev, dmab->addr,
+ dmab->bytes, dmab->dev.dir);
+ } else {
+ if (dmab->dev.dir != DMA_FROM_DEVICE)
+ dma_sync_single_for_device(dmab->dev.dev, dmab->addr,
+ dmab->bytes, dmab->dev.dir);
+ }
+}
+
+static const struct snd_malloc_ops snd_dma_noncoherent_ops = {
+ .alloc = snd_dma_noncoherent_alloc,
+ .free = snd_dma_noncoherent_free,
+ .mmap = snd_dma_noncoherent_mmap,
+ .sync = snd_dma_noncoherent_sync,
+};
+
#endif /* CONFIG_HAS_DMA */
/*
#ifdef CONFIG_HAS_DMA
[SNDRV_DMA_TYPE_DEV] = &snd_dma_dev_ops,
[SNDRV_DMA_TYPE_DEV_WC] = &snd_dma_wc_ops,
+ [SNDRV_DMA_TYPE_NONCONTIG] = &snd_dma_noncontig_ops,
+ [SNDRV_DMA_TYPE_NONCOHERENT] = &snd_dma_noncoherent_ops,
+#ifdef CONFIG_SND_DMA_SGBUF
+ [SNDRV_DMA_TYPE_DEV_WC_SG] = &snd_dma_sg_wc_ops,
+#endif
#ifdef CONFIG_GENERIC_ALLOCATOR
[SNDRV_DMA_TYPE_DEV_IRAM] = &snd_dma_iram_ops,
#endif /* CONFIG_GENERIC_ALLOCATOR */
#endif /* CONFIG_HAS_DMA */
-#ifdef CONFIG_SND_DMA_SGBUF
- [SNDRV_DMA_TYPE_DEV_SG] = &snd_dma_sg_ops,
- [SNDRV_DMA_TYPE_DEV_WC_SG] = &snd_dma_sg_ops,
-#endif
};
static const struct snd_malloc_ops *snd_dma_get_ops(struct snd_dma_buffer *dmab)
unsigned int (*get_chunk_size)(struct snd_dma_buffer *dmab,
unsigned int ofs, unsigned int size);
int (*mmap)(struct snd_dma_buffer *dmab, struct vm_area_struct *area);
+ void (*sync)(struct snd_dma_buffer *dmab, enum snd_dma_sync_mode mode);
};
#ifdef CONFIG_SND_DMA_SGBUF
if (mixer == NULL)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
for (chn = 0; chn < 31; chn++) {
pslot = &mixer->slots[chn];
if (pslot->put_volume || pslot->put_recsrc)
result |= 1 << chn;
}
+ mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
for (chn = 0; chn < 31; chn++) {
pslot = &mixer->slots[chn];
if (pslot->put_volume && pslot->stereo)
result |= 1 << chn;
}
+ mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
result = mixer->mask_recsrc;
} else {
result |= 1 << chn;
}
}
+ mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
- int err;
unsigned int index;
- err = mixer->get_recsrc(fmixer, &index);
- if (err < 0)
- return err;
+ result = mixer->get_recsrc(fmixer, &index);
+ if (result < 0)
+ goto unlock;
result = 1 << index;
} else {
struct snd_mixer_oss_slot *pslot;
}
}
}
- return mixer->oss_recsrc = result;
+ mixer->oss_recsrc = result;
+ unlock:
+ mutex_unlock(&mixer->reg_mutex);
+ return result;
}
static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsrc)
if (mixer == NULL)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
if (mixer->get_recsrc && mixer->put_recsrc) { /* exclusive input */
if (recsrc & ~mixer->oss_recsrc)
recsrc &= ~mixer->oss_recsrc;
}
}
}
+ mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL || slot > 30)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
pslot = &mixer->slots[slot];
left = pslot->volume[0];
right = pslot->volume[1];
result = pslot->get_volume(fmixer, pslot, &left, &right);
if (!pslot->stereo)
right = left;
- if (snd_BUG_ON(left < 0 || left > 100))
- return -EIO;
- if (snd_BUG_ON(right < 0 || right > 100))
- return -EIO;
+ if (snd_BUG_ON(left < 0 || left > 100)) {
+ result = -EIO;
+ goto unlock;
+ }
+ if (snd_BUG_ON(right < 0 || right > 100)) {
+ result = -EIO;
+ goto unlock;
+ }
if (result >= 0) {
pslot->volume[0] = left;
pslot->volume[1] = right;
result = (left & 0xff) | ((right & 0xff) << 8);
}
+ unlock:
+ mutex_unlock(&mixer->reg_mutex);
return result;
}
if (mixer == NULL || slot > 30)
return -EIO;
+ mutex_lock(&mixer->reg_mutex);
pslot = &mixer->slots[slot];
if (left > 100)
left = 100;
if (pslot->put_volume)
result = pslot->put_volume(fmixer, pslot, left, right);
if (result < 0)
- return result;
+ goto unlock;
pslot->volume[0] = left;
pslot->volume[1] = right;
- return (left & 0xff) | ((right & 0xff) << 8);
+ result = (left & 0xff) | ((right & 0xff) << 8);
+ unlock:
+ mutex_unlock(&mixer->reg_mutex);
+ return result;
}
static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int cmd, unsigned long arg)
sstatus.suspended_state = status->suspended_state;
sstatus.audio_tstamp = status->audio_tstamp;
snd_pcm_stream_unlock_irq(substream);
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (put_user(sstatus.state, &src->s.status.state) ||
put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) ||
put_user(sstatus.tstamp.tv_sec, &src->s.status.tstamp_sec) ||
sync_ptr.s.status.suspended_state = status->suspended_state;
sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
snd_pcm_stream_unlock_irq(substream);
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL))
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
return -EFAULT;
return 0;
frames -= transfer;
ofs = 0;
}
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
}
#ifdef CONFIG_SND_DEBUG
goto _end_unlock;
}
snd_pcm_stream_unlock_irq(substream);
+ if (!is_playback)
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_CPU);
err = writer(substream, appl_ofs, data, offset, frames,
transfer);
+ if (is_playback)
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
snd_pcm_stream_lock_irq(substream);
if (err < 0)
goto _end_unlock;
for ((subs) = (pcm)->streams[str].substream; (subs); \
(subs) = (subs)->next)
+static inline void snd_pcm_dma_buffer_sync(struct snd_pcm_substream *substream,
+ enum snd_dma_sync_mode mode)
+{
+ if (substream->runtime->info & SNDRV_PCM_INFO_EXPLICIT_SYNC)
+ snd_dma_buffer_sync(snd_pcm_get_dma_buf(substream), mode);
+}
+
#endif /* __SOUND_CORE_PCM_LOCAL_H */
MODULE_PARM_DESC(max_alloc_per_card, "Max total allocation bytes per card.");
static int do_alloc_pages(struct snd_card *card, int type, struct device *dev,
- size_t size, struct snd_dma_buffer *dmab)
+ int str, size_t size, struct snd_dma_buffer *dmab)
{
+ enum dma_data_direction dir;
int err;
if (max_alloc_per_card &&
card->total_pcm_alloc_bytes + size > max_alloc_per_card)
return -ENOMEM;
- err = snd_dma_alloc_pages(type, dev, size, dmab);
+ if (str == SNDRV_PCM_STREAM_PLAYBACK)
+ dir = DMA_TO_DEVICE;
+ else
+ dir = DMA_FROM_DEVICE;
+ err = snd_dma_alloc_dir_pages(type, dev, dir, size, dmab);
if (!err) {
mutex_lock(&card->memory_mutex);
card->total_pcm_alloc_bytes += dmab->bytes;
do {
err = do_alloc_pages(card, dmab->dev.type, dmab->dev.dev,
- size, dmab);
+ substream->stream, size, dmab);
if (err != -ENOMEM)
return err;
if (no_fallback)
if (do_alloc_pages(card,
substream->dma_buffer.dev.type,
substream->dma_buffer.dev.dev,
+ substream->stream,
size, &new_dmab) < 0) {
buffer->error = -ENOMEM;
pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n",
if (do_alloc_pages(card,
substream->dma_buffer.dev.type,
substream->dma_buffer.dev.dev,
+ substream->stream,
size, dmab) < 0) {
kfree(dmab);
pr_debug("ALSA pcmC%dD%d%c,%d:%s: cannot preallocate for size %zu\n",
goto error;
}
+ /* automatically set EXPLICIT_SYNC flag in the managed mode whenever
+ * the DMA buffer requires it
+ */
+ if (substream->managed_buffer_alloc &&
+ substream->dma_buffer.dev.need_sync)
+ substream->runtime->hw.info |= SNDRV_PCM_INFO_EXPLICIT_SYNC;
+
*rsubstream = substream;
return 0;
ret = rewind_appl_ptr(substream, frames,
snd_pcm_hw_avail(substream));
snd_pcm_stream_unlock_irq(substream);
+ if (ret >= 0)
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
return ret;
}
ret = forward_appl_ptr(substream, frames,
snd_pcm_avail(substream));
snd_pcm_stream_unlock_irq(substream);
+ if (ret >= 0)
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
return ret;
}
-static int snd_pcm_hwsync(struct snd_pcm_substream *substream)
-{
- int err;
-
- snd_pcm_stream_lock_irq(substream);
- err = do_pcm_hwsync(substream);
- snd_pcm_stream_unlock_irq(substream);
- return err;
-}
-
static int snd_pcm_delay(struct snd_pcm_substream *substream,
snd_pcm_sframes_t *delay)
{
int err;
- snd_pcm_sframes_t n = 0;
snd_pcm_stream_lock_irq(substream);
err = do_pcm_hwsync(substream);
- if (!err)
- n = snd_pcm_calc_delay(substream);
+ if (delay && !err)
+ *delay = snd_pcm_calc_delay(substream);
snd_pcm_stream_unlock_irq(substream);
- if (!err)
- *delay = n;
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_CPU);
+
return err;
}
+static inline int snd_pcm_hwsync(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_delay(substream, NULL);
+}
+
static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream,
struct snd_pcm_sync_ptr __user *_sync_ptr)
{
sync_ptr.s.status.suspended_state = status->suspended_state;
sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
snd_pcm_stream_unlock_irq(substream);
+ if (!(sync_ptr.flags & SNDRV_PCM_SYNC_PTR_APPL))
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
return -EFAULT;
return 0;
sstatus.suspended_state = status->suspended_state;
sstatus.audio_tstamp = status->audio_tstamp;
snd_pcm_stream_unlock_irq(substream);
+ if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL))
+ snd_pcm_dma_buffer_sync(substream, SNDRV_DMA_SYNC_DEVICE);
if (put_user(sstatus.state, &src->s.status.state) ||
put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) ||
put_user(sstatus.tstamp.tv_sec, &src->s.status.tstamp_sec) ||
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ return -EBADFD;
+
res = snd_power_wait(substream->pcm->card);
if (res < 0)
return res;
return snd_pcm_hwsync(substream);
case SNDRV_PCM_IOCTL_DELAY:
{
- snd_pcm_sframes_t delay;
+ snd_pcm_sframes_t delay = 0;
snd_pcm_sframes_t __user *res = arg;
int err;
snd_pcm_uframes_t *frames = arg;
snd_pcm_sframes_t result;
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ return -EBADFD;
+
switch (cmd) {
case SNDRV_PCM_IOCTL_FORWARD:
{
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!frame_aligned(runtime, count))
return -EINVAL;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!frame_aligned(runtime, count))
return -EINVAL;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!iter_is_iovec(to))
return -EINVAL;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!iter_is_iovec(from))
return -EINVAL;
return ok | EPOLLERR;
runtime = substream->runtime;
+ if (runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ return ok | EPOLLERR;
+
poll_wait(file, &runtime->sleep, wait);
mask = 0;
substream = pcm_file->substream;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ return -EBADFD;
offset = area->vm_pgoff << PAGE_SHIFT;
switch (offset) {
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
+ if (runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ return -EBADFD;
return fasync_helper(fd, file, on, &runtime->fasync);
}
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Scatter-Gather buffer
- *
- * Copyright (c) by Takashi Iwai <tiwai@suse.de>
- */
-
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/export.h>
-#include <sound/memalloc.h>
-#include "memalloc_local.h"
-
-struct snd_sg_page {
- void *buf;
- dma_addr_t addr;
-};
-
-struct snd_sg_buf {
- int size; /* allocated byte size */
- int pages; /* allocated pages */
- int tblsize; /* allocated table size */
- struct snd_sg_page *table; /* address table */
- struct page **page_table; /* page table (for vmap/vunmap) */
- struct device *dev;
-};
-
-/* table entries are align to 32 */
-#define SGBUF_TBL_ALIGN 32
-#define sgbuf_align_table(tbl) ALIGN((tbl), SGBUF_TBL_ALIGN)
-
-static void snd_dma_sg_free(struct snd_dma_buffer *dmab)
-{
- struct snd_sg_buf *sgbuf = dmab->private_data;
- struct snd_dma_buffer tmpb;
- int i;
-
- if (!sgbuf)
- return;
-
- vunmap(dmab->area);
- dmab->area = NULL;
-
- tmpb.dev.type = SNDRV_DMA_TYPE_DEV;
- if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG)
- tmpb.dev.type = SNDRV_DMA_TYPE_DEV_WC;
- tmpb.dev.dev = sgbuf->dev;
- for (i = 0; i < sgbuf->pages; i++) {
- if (!(sgbuf->table[i].addr & ~PAGE_MASK))
- continue; /* continuous pages */
- tmpb.area = sgbuf->table[i].buf;
- tmpb.addr = sgbuf->table[i].addr & PAGE_MASK;
- tmpb.bytes = (sgbuf->table[i].addr & ~PAGE_MASK) << PAGE_SHIFT;
- snd_dma_free_pages(&tmpb);
- }
-
- kfree(sgbuf->table);
- kfree(sgbuf->page_table);
- kfree(sgbuf);
- dmab->private_data = NULL;
-}
-
-#define MAX_ALLOC_PAGES 32
-
-static void *snd_dma_sg_alloc(struct snd_dma_buffer *dmab, size_t size)
-{
- struct snd_sg_buf *sgbuf;
- unsigned int i, pages, chunk, maxpages;
- struct snd_dma_buffer tmpb;
- struct snd_sg_page *table;
- struct page **pgtable;
- int type = SNDRV_DMA_TYPE_DEV;
- pgprot_t prot = PAGE_KERNEL;
- void *area;
-
- dmab->private_data = sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);
- if (!sgbuf)
- return NULL;
- if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG) {
- type = SNDRV_DMA_TYPE_DEV_WC;
-#ifdef pgprot_noncached
- prot = pgprot_noncached(PAGE_KERNEL);
-#endif
- }
- sgbuf->dev = dmab->dev.dev;
- pages = snd_sgbuf_aligned_pages(size);
- sgbuf->tblsize = sgbuf_align_table(pages);
- table = kcalloc(sgbuf->tblsize, sizeof(*table), GFP_KERNEL);
- if (!table)
- goto _failed;
- sgbuf->table = table;
- pgtable = kcalloc(sgbuf->tblsize, sizeof(*pgtable), GFP_KERNEL);
- if (!pgtable)
- goto _failed;
- sgbuf->page_table = pgtable;
-
- /* allocate pages */
- maxpages = MAX_ALLOC_PAGES;
- while (pages > 0) {
- chunk = pages;
- /* don't be too eager to take a huge chunk */
- if (chunk > maxpages)
- chunk = maxpages;
- chunk <<= PAGE_SHIFT;
- if (snd_dma_alloc_pages_fallback(type, dmab->dev.dev,
- chunk, &tmpb) < 0) {
- if (!sgbuf->pages)
- goto _failed;
- size = sgbuf->pages * PAGE_SIZE;
- break;
- }
- chunk = tmpb.bytes >> PAGE_SHIFT;
- for (i = 0; i < chunk; i++) {
- table->buf = tmpb.area;
- table->addr = tmpb.addr;
- if (!i)
- table->addr |= chunk; /* mark head */
- table++;
- *pgtable++ = virt_to_page(tmpb.area);
- tmpb.area += PAGE_SIZE;
- tmpb.addr += PAGE_SIZE;
- }
- sgbuf->pages += chunk;
- pages -= chunk;
- if (chunk < maxpages)
- maxpages = chunk;
- }
-
- sgbuf->size = size;
- area = vmap(sgbuf->page_table, sgbuf->pages, VM_MAP, prot);
- if (!area)
- goto _failed;
- return area;
-
- _failed:
- snd_dma_sg_free(dmab); /* free the table */
- return NULL;
-}
-
-static dma_addr_t snd_dma_sg_get_addr(struct snd_dma_buffer *dmab,
- size_t offset)
-{
- struct snd_sg_buf *sgbuf = dmab->private_data;
- dma_addr_t addr;
-
- addr = sgbuf->table[offset >> PAGE_SHIFT].addr;
- addr &= ~((dma_addr_t)PAGE_SIZE - 1);
- return addr + offset % PAGE_SIZE;
-}
-
-static struct page *snd_dma_sg_get_page(struct snd_dma_buffer *dmab,
- size_t offset)
-{
- struct snd_sg_buf *sgbuf = dmab->private_data;
- unsigned int idx = offset >> PAGE_SHIFT;
-
- if (idx >= (unsigned int)sgbuf->pages)
- return NULL;
- return sgbuf->page_table[idx];
-}
-
-static unsigned int snd_dma_sg_get_chunk_size(struct snd_dma_buffer *dmab,
- unsigned int ofs,
- unsigned int size)
-{
- struct snd_sg_buf *sg = dmab->private_data;
- unsigned int start, end, pg;
-
- start = ofs >> PAGE_SHIFT;
- end = (ofs + size - 1) >> PAGE_SHIFT;
- /* check page continuity */
- pg = sg->table[start].addr >> PAGE_SHIFT;
- for (;;) {
- start++;
- if (start > end)
- break;
- pg++;
- if ((sg->table[start].addr >> PAGE_SHIFT) != pg)
- return (start << PAGE_SHIFT) - ofs;
- }
- /* ok, all on continuous pages */
- return size;
-}
-
-static int snd_dma_sg_mmap(struct snd_dma_buffer *dmab,
- struct vm_area_struct *area)
-{
- if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_WC_SG)
- area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
- return -ENOENT; /* continue with the default mmap handler */
-}
-
-const struct snd_malloc_ops snd_dma_sg_ops = {
- .alloc = snd_dma_sg_alloc,
- .free = snd_dma_sg_free,
- .get_addr = snd_dma_sg_get_addr,
- .get_page = snd_dma_sg_get_page,
- .get_chunk_size = snd_dma_sg_get_chunk_size,
- .mmap = snd_dma_sg_mmap,
-};
snd-firewire-motu-objs := motu.o amdtp-motu.o motu-transaction.o motu-stream.o \
motu-proc.o motu-pcm.o motu-midi.o motu-hwdep.o \
motu-protocol-v2.o motu-protocol-v3.o \
- motu-protocol-v1.o
+ motu-protocol-v1.o motu-register-dsp-message-parser.o \
+ motu-command-dsp-message-parser.o
obj-$(CONFIG_SND_FIREWIRE_MOTU) += snd-firewire-motu.o
unsigned int packets,
struct snd_pcm_substream *pcm)
{
+ struct snd_motu *motu = container_of(s, struct snd_motu, tx_stream);
struct amdtp_motu *p = s->protocol;
unsigned int pcm_frames = 0;
int i;
read_midi_messages(s, buf, data_blocks);
}
+ if (motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP) {
+ snd_motu_register_dsp_message_parser_parse(motu, descs, packets,
+ s->data_block_quadlets);
+ } else if (motu->spec->flags & SND_MOTU_SPEC_COMMAND_DSP) {
+ snd_motu_command_dsp_message_parser_parse(motu, descs, packets,
+ s->data_block_quadlets);
+ }
+
// For tracepoints.
if (trace_data_block_sph_enabled() ||
trace_data_block_message_enabled())
if (p->midi_ports)
write_midi_messages(s, buf, data_blocks);
- // TODO: how to interact control messages between userspace?
-
write_sph(p->cache, buf, data_blocks, s->data_block_quadlets);
}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// motu-command-dsp-message-parser.c - a part of driver for MOTU FireWire series
+//
+// Copyright (c) 2021 Takashi Sakamoto <o-takashi@sakamocchi.jp>
+
+// Below models allow software to configure their DSP function by command transferred in
+// asynchronous transaction:
+// * 828 mk3 (FireWire only and Hybrid)
+// * 896 mk3 (FireWire only and Hybrid)
+// * Ultralite mk3 (FireWire only and Hybrid)
+// * Traveler mk3
+// * Track 16
+//
+// Isochronous packets from the above models includes messages to report state of hardware meter.
+
+#include "motu.h"
+
+enum msg_parser_state {
+ INITIALIZED,
+ FRAGMENT_DETECTED,
+ AVAILABLE,
+};
+
+struct msg_parser {
+ spinlock_t lock;
+ enum msg_parser_state state;
+ unsigned int interval;
+ unsigned int message_count;
+ unsigned int fragment_pos;
+ unsigned int value_index;
+ u64 value;
+ struct snd_firewire_motu_command_dsp_meter meter;
+};
+
+int snd_motu_command_dsp_message_parser_new(struct snd_motu *motu)
+{
+ struct msg_parser *parser;
+
+ parser = devm_kzalloc(&motu->card->card_dev, sizeof(*parser), GFP_KERNEL);
+ if (!parser)
+ return -ENOMEM;
+ spin_lock_init(&parser->lock);
+ motu->message_parser = parser;
+
+ return 0;
+}
+
+int snd_motu_command_dsp_message_parser_init(struct snd_motu *motu, enum cip_sfc sfc)
+{
+ struct msg_parser *parser = motu->message_parser;
+
+ parser->state = INITIALIZED;
+
+ // All of data blocks don't have messages with meaningful information.
+ switch (sfc) {
+ case CIP_SFC_176400:
+ case CIP_SFC_192000:
+ parser->interval = 4;
+ break;
+ case CIP_SFC_88200:
+ case CIP_SFC_96000:
+ parser->interval = 2;
+ break;
+ case CIP_SFC_32000:
+ case CIP_SFC_44100:
+ case CIP_SFC_48000:
+ default:
+ parser->interval = 1;
+ break;
+ }
+
+ return 0;
+}
+
+#define FRAGMENT_POS 6
+#define MIDI_BYTE_POS 7
+#define MIDI_FLAG_POS 8
+// One value of hardware meter consists of 4 messages.
+#define FRAGMENTS_PER_VALUE 4
+#define VALUES_AT_IMAGE_END 0xffffffffffffffff
+
+void snd_motu_command_dsp_message_parser_parse(struct snd_motu *motu, const struct pkt_desc *descs,
+ unsigned int desc_count, unsigned int data_block_quadlets)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned int interval = parser->interval;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&parser->lock, flags);
+
+ for (i = 0; i < desc_count; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buffer = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
+ int j;
+
+ for (j = 0; j < data_blocks; ++j) {
+ u8 *b = (u8 *)buffer;
+ buffer += data_block_quadlets;
+
+ switch (parser->state) {
+ case INITIALIZED:
+ {
+ u8 fragment = b[FRAGMENT_POS];
+
+ if (fragment > 0) {
+ parser->value = fragment;
+ parser->message_count = 1;
+ parser->state = FRAGMENT_DETECTED;
+ }
+ break;
+ }
+ case FRAGMENT_DETECTED:
+ {
+ if (parser->message_count % interval == 0) {
+ u8 fragment = b[FRAGMENT_POS];
+
+ parser->value >>= 8;
+ parser->value |= (u64)fragment << 56;
+
+ if (parser->value == VALUES_AT_IMAGE_END) {
+ parser->state = AVAILABLE;
+ parser->fragment_pos = 0;
+ parser->value_index = 0;
+ parser->message_count = 0;
+ }
+ }
+ ++parser->message_count;
+ break;
+ }
+ case AVAILABLE:
+ default:
+ {
+ if (parser->message_count % interval == 0) {
+ u8 fragment = b[FRAGMENT_POS];
+
+ parser->value >>= 8;
+ parser->value |= (u64)fragment << 56;
+ ++parser->fragment_pos;
+
+ if (parser->fragment_pos == 4) {
+ // Skip the last two quadlets since they could be
+ // invalid value (0xffffffff) as floating point
+ // number.
+ if (parser->value_index <
+ SNDRV_FIREWIRE_MOTU_COMMAND_DSP_METER_COUNT - 2) {
+ u32 val = (u32)(parser->value >> 32);
+ parser->meter.data[parser->value_index] = val;
+ }
+ ++parser->value_index;
+ parser->fragment_pos = 0;
+ }
+
+ if (parser->value == VALUES_AT_IMAGE_END) {
+ parser->value_index = 0;
+ parser->fragment_pos = 0;
+ parser->message_count = 0;
+ }
+ }
+ ++parser->message_count;
+ break;
+ }
+ }
+ }
+ }
+
+ spin_unlock_irqrestore(&parser->lock, flags);
+}
+
+void snd_motu_command_dsp_message_parser_copy_meter(struct snd_motu *motu,
+ struct snd_firewire_motu_command_dsp_meter *meter)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned long flags;
+
+ spin_lock_irqsave(&parser->lock, flags);
+ memcpy(meter, &parser->meter, sizeof(*meter));
+ spin_unlock_irqrestore(&parser->lock, flags);
+}
#include "motu.h"
+static bool has_dsp_event(struct snd_motu *motu)
+{
+ if (motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP)
+ return (snd_motu_register_dsp_message_parser_count_event(motu) > 0);
+ else
+ return false;
+}
+
static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
loff_t *offset)
{
spin_lock_irq(&motu->lock);
- while (!motu->dev_lock_changed && motu->msg == 0) {
+ while (!motu->dev_lock_changed && motu->msg == 0 && !has_dsp_event(motu)) {
prepare_to_wait(&motu->hwdep_wait, &wait, TASK_INTERRUPTIBLE);
spin_unlock_irq(&motu->lock);
schedule();
event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
event.lock_status.status = (motu->dev_lock_count > 0);
motu->dev_lock_changed = false;
+ spin_unlock_irq(&motu->lock);
- count = min_t(long, count, sizeof(event.lock_status));
- } else {
+ count = min_t(long, count, sizeof(event));
+ if (copy_to_user(buf, &event, count))
+ return -EFAULT;
+ } else if (motu->msg > 0) {
event.motu_notification.type = SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION;
event.motu_notification.message = motu->msg;
motu->msg = 0;
+ spin_unlock_irq(&motu->lock);
- count = min_t(long, count, sizeof(event.motu_notification));
- }
+ count = min_t(long, count, sizeof(event));
+ if (copy_to_user(buf, &event, count))
+ return -EFAULT;
+ } else if (has_dsp_event(motu)) {
+ size_t consumed = 0;
+ u32 __user *ptr;
+ u32 ev;
- spin_unlock_irq(&motu->lock);
+ spin_unlock_irq(&motu->lock);
- if (copy_to_user(buf, &event, count))
- return -EFAULT;
+ // Header is filled later.
+ consumed += sizeof(event.motu_register_dsp_change);
+
+ while (consumed < count &&
+ snd_motu_register_dsp_message_parser_copy_event(motu, &ev)) {
+ ptr = (u32 __user *)(buf + consumed);
+ if (put_user(ev, ptr))
+ return -EFAULT;
+ consumed += sizeof(ev);
+ }
+
+ event.motu_register_dsp_change.type = SNDRV_FIREWIRE_EVENT_MOTU_REGISTER_DSP_CHANGE;
+ event.motu_register_dsp_change.count =
+ (consumed - sizeof(event.motu_register_dsp_change)) / 4;
+ if (copy_to_user(buf, &event, sizeof(event.motu_register_dsp_change)))
+ return -EFAULT;
+
+ count = consumed;
+ }
return count;
}
poll_wait(file, &motu->hwdep_wait, wait);
spin_lock_irq(&motu->lock);
- if (motu->dev_lock_changed || motu->msg)
+ if (motu->dev_lock_changed || motu->msg || has_dsp_event(motu))
events = EPOLLIN | EPOLLRDNORM;
else
events = 0;
return hwdep_lock(motu);
case SNDRV_FIREWIRE_IOCTL_UNLOCK:
return hwdep_unlock(motu);
+ case SNDRV_FIREWIRE_IOCTL_MOTU_REGISTER_DSP_METER:
+ {
+ struct snd_firewire_motu_register_dsp_meter *meter;
+ int err;
+
+ if (!(motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP))
+ return -ENXIO;
+
+ meter = kzalloc(sizeof(*meter), GFP_KERNEL);
+ if (!meter)
+ return -ENOMEM;
+
+ snd_motu_register_dsp_message_parser_copy_meter(motu, meter);
+
+ err = copy_to_user((void __user *)arg, meter, sizeof(*meter));
+ kfree(meter);
+
+ if (err)
+ return -EFAULT;
+
+ return 0;
+ }
+ case SNDRV_FIREWIRE_IOCTL_MOTU_COMMAND_DSP_METER:
+ {
+ struct snd_firewire_motu_command_dsp_meter *meter;
+ int err;
+
+ if (!(motu->spec->flags & SND_MOTU_SPEC_COMMAND_DSP))
+ return -ENXIO;
+
+ meter = kzalloc(sizeof(*meter), GFP_KERNEL);
+ if (!meter)
+ return -ENOMEM;
+
+ snd_motu_command_dsp_message_parser_copy_meter(motu, meter);
+
+ err = copy_to_user((void __user *)arg, meter, sizeof(*meter));
+ kfree(meter);
+
+ if (err)
+ return -EFAULT;
+
+ return 0;
+ }
+ case SNDRV_FIREWIRE_IOCTL_MOTU_REGISTER_DSP_PARAMETER:
+ {
+ struct snd_firewire_motu_register_dsp_parameter *param;
+ int err;
+
+ if (!(motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP))
+ return -ENXIO;
+
+ param = kzalloc(sizeof(*param), GFP_KERNEL);
+ if (!param)
+ return -ENOMEM;
+
+ snd_motu_register_dsp_message_parser_copy_parameter(motu, param);
+
+ err = copy_to_user((void __user *)arg, param, sizeof(*param));
+ kfree(param);
+ if (err)
+ return -EFAULT;
+
+ return 0;
+ }
default:
return -ENOIOCTLCMD;
}
hwdep->private_data = motu;
hwdep->exclusive = true;
+ motu->hwdep = hwdep;
+
return 0;
}
.name = "828mk2",
.protocol_version = SND_MOTU_PROTOCOL_V2,
.flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
- SND_MOTU_SPEC_TX_MIDI_2ND_Q,
+ SND_MOTU_SPEC_TX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {14, 14, 0},
.rx_fixed_pcm_chunks = {14, 14, 0},
};
const struct snd_motu_spec snd_motu_spec_896hd = {
.name = "896HD",
.protocol_version = SND_MOTU_PROTOCOL_V2,
- // No support for MIDI.
+ .flags = SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {14, 14, 8},
.rx_fixed_pcm_chunks = {14, 14, 8},
};
.name = "Traveler",
.protocol_version = SND_MOTU_PROTOCOL_V2,
.flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
- SND_MOTU_SPEC_TX_MIDI_2ND_Q,
+ SND_MOTU_SPEC_TX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {14, 14, 8},
.rx_fixed_pcm_chunks = {14, 14, 8},
};
.name = "UltraLite",
.protocol_version = SND_MOTU_PROTOCOL_V2,
.flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
- SND_MOTU_SPEC_TX_MIDI_2ND_Q,
+ SND_MOTU_SPEC_TX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {14, 14, 0},
.rx_fixed_pcm_chunks = {14, 14, 0},
};
.name = "8pre",
.protocol_version = SND_MOTU_PROTOCOL_V2,
.flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
- SND_MOTU_SPEC_TX_MIDI_2ND_Q,
+ SND_MOTU_SPEC_TX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_REGISTER_DSP,
// Two dummy chunks always in the end of data block.
.tx_fixed_pcm_chunks = {10, 10, 0},
.rx_fixed_pcm_chunks = {6, 6, 0},
return 0;
}
-
const struct snd_motu_spec snd_motu_spec_828mk3_fw = {
.name = "828mk3",
.protocol_version = SND_MOTU_PROTOCOL_V3,
.flags = SND_MOTU_SPEC_RX_MIDI_3RD_Q |
- SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_COMMAND_DSP,
.tx_fixed_pcm_chunks = {18, 18, 14},
.rx_fixed_pcm_chunks = {14, 14, 10},
};
.name = "828mk3",
.protocol_version = SND_MOTU_PROTOCOL_V3,
.flags = SND_MOTU_SPEC_RX_MIDI_3RD_Q |
- SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_COMMAND_DSP,
.tx_fixed_pcm_chunks = {18, 18, 14},
.rx_fixed_pcm_chunks = {14, 14, 14}, // Additional 4 dummy chunks at higher rate.
};
.name = "UltraLiteMk3",
.protocol_version = SND_MOTU_PROTOCOL_V3,
.flags = SND_MOTU_SPEC_RX_MIDI_3RD_Q |
- SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_COMMAND_DSP,
.tx_fixed_pcm_chunks = {18, 14, 10},
.rx_fixed_pcm_chunks = {14, 14, 14},
};
.name = "AudioExpress",
.protocol_version = SND_MOTU_PROTOCOL_V3,
.flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
- SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {10, 10, 0},
.rx_fixed_pcm_chunks = {10, 10, 0},
};
const struct snd_motu_spec snd_motu_spec_4pre = {
.name = "4pre",
.protocol_version = SND_MOTU_PROTOCOL_V3,
+ .flags = SND_MOTU_SPEC_REGISTER_DSP,
.tx_fixed_pcm_chunks = {10, 10, 0},
.rx_fixed_pcm_chunks = {10, 10, 0},
};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// motu-register-dsp-message-parser.c - a part of driver for MOTU FireWire series
+//
+// Copyright (c) 2021 Takashi Sakamoto <o-takashi@sakamocchi.jp>
+
+// Below models allow software to configure their DSP functions by asynchronous transaction
+// to access their internal registers.
+// * 828 mk2
+// * 896hd
+// * Traveler
+// * 8 pre
+// * Ultralite
+// * 4 pre
+// * Audio Express
+//
+// Additionally, isochronous packets from the above models include messages to notify state of
+// DSP. The messages are two set of 3 byte data in 2nd and 3rd quadlet of data block. When user
+// operates hardware components such as dial and switch, corresponding messages are transferred.
+// The messages include Hardware metering and MIDI messages as well.
+
+#include "motu.h"
+
+#define MSG_FLAG_POS 4
+#define MSG_FLAG_TYPE_MASK 0xf8
+#define MSG_FLAG_MIDI_MASK 0x01
+#define MSG_FLAG_MODEL_SPECIFIC_MASK 0x06
+#define MSG_FLAG_8PRE 0x00
+#define MSG_FLAG_ULTRALITE 0x04
+#define MSG_FLAG_TRAVELER 0x04
+#define MSG_FLAG_828MK2 0x04
+#define MSG_FLAG_896HD 0x04
+#define MSG_FLAG_4PRE 0x05 // MIDI mask is in 8th byte.
+#define MSG_FLAG_AUDIOEXPRESS 0x05 // MIDI mask is in 8th byte.
+#define MSG_FLAG_TYPE_SHIFT 3
+#define MSG_VALUE_POS 5
+#define MSG_MIDI_BYTE_POS 6
+#define MSG_METER_IDX_POS 7
+
+// In 4 pre and Audio express, meter index is in 6th byte. MIDI flag is in 8th byte and MIDI byte
+// is in 7th byte.
+#define MSG_METER_IDX_POS_4PRE_AE 6
+#define MSG_MIDI_BYTE_POS_4PRE_AE 7
+#define MSG_FLAG_MIDI_POS_4PRE_AE 8
+
+enum register_dsp_msg_type {
+ // Used for messages with no information.
+ INVALID = 0x00,
+ MIXER_SELECT = 0x01,
+ MIXER_SRC_GAIN = 0x02,
+ MIXER_SRC_PAN = 0x03,
+ MIXER_SRC_FLAG = 0x04,
+ MIXER_OUTPUT_PAIRED_VOLUME = 0x05,
+ MIXER_OUTPUT_PAIRED_FLAG = 0x06,
+ MAIN_OUTPUT_PAIRED_VOLUME = 0x07,
+ HP_OUTPUT_PAIRED_VOLUME = 0x08,
+ HP_OUTPUT_PAIRED_ASSIGNMENT = 0x09,
+ // Transferred by all models but the purpose is still unknown.
+ UNKNOWN_0 = 0x0a,
+ // Specific to 828mk2, 896hd, Traveler.
+ UNKNOWN_2 = 0x0c,
+ // Specific to 828mk2, Traveler, and 896hd (not functional).
+ LINE_INPUT_BOOST = 0x0d,
+ // Specific to 828mk2, Traveler, and 896hd (not functional).
+ LINE_INPUT_NOMINAL_LEVEL = 0x0e,
+ // Specific to Ultralite, 4 pre, Audio express, and 8 pre (not functional).
+ INPUT_GAIN_AND_INVERT = 0x15,
+ // Specific to 4 pre, and Audio express.
+ INPUT_FLAG = 0x16,
+ // Specific to 4 pre, and Audio express.
+ MIXER_SRC_PAIRED_BALANCE = 0x17,
+ // Specific to 4 pre, and Audio express.
+ MIXER_SRC_PAIRED_WIDTH = 0x18,
+ // Transferred by all models. This type of message interposes the series of the other
+ // messages. The message delivers signal level up to 96.0 kHz. In 828mk2, 896hd, and
+ // Traveler, one of physical outputs is selected for the message. The selection is done
+ // by LSB one byte in asynchronous write quadlet transaction to 0x'ffff'f000'0b2c.
+ METER = 0x1f,
+};
+
+#define EVENT_QUEUE_SIZE 16
+
+struct msg_parser {
+ spinlock_t lock;
+ struct snd_firewire_motu_register_dsp_meter meter;
+ bool meter_pos_quirk;
+
+ struct snd_firewire_motu_register_dsp_parameter param;
+ u8 prev_mixer_src_type;
+ u8 mixer_ch;
+ u8 mixer_src_ch;
+
+ u8 input_ch;
+ u8 prev_msg_type;
+
+ u32 event_queue[EVENT_QUEUE_SIZE];
+ unsigned int push_pos;
+ unsigned int pull_pos;
+};
+
+int snd_motu_register_dsp_message_parser_new(struct snd_motu *motu)
+{
+ struct msg_parser *parser;
+ parser = devm_kzalloc(&motu->card->card_dev, sizeof(*parser), GFP_KERNEL);
+ if (!parser)
+ return -ENOMEM;
+ spin_lock_init(&parser->lock);
+ if (motu->spec == &snd_motu_spec_4pre || motu->spec == &snd_motu_spec_audio_express)
+ parser->meter_pos_quirk = true;
+ motu->message_parser = parser;
+ return 0;
+}
+
+int snd_motu_register_dsp_message_parser_init(struct snd_motu *motu)
+{
+ struct msg_parser *parser = motu->message_parser;
+
+ parser->prev_mixer_src_type = INVALID;
+ parser->mixer_ch = 0xff;
+ parser->mixer_src_ch = 0xff;
+ parser->prev_msg_type = INVALID;
+
+ return 0;
+}
+
+// Rough implementaion of queue without overrun check.
+static void queue_event(struct snd_motu *motu, u8 msg_type, u8 identifier0, u8 identifier1, u8 val)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned int pos = parser->push_pos;
+ u32 entry;
+
+ if (!motu->hwdep || motu->hwdep->used == 0)
+ return;
+
+ entry = (msg_type << 24) | (identifier0 << 16) | (identifier1 << 8) | val;
+ parser->event_queue[pos] = entry;
+
+ ++pos;
+ if (pos >= EVENT_QUEUE_SIZE)
+ pos = 0;
+ parser->push_pos = pos;
+}
+
+void snd_motu_register_dsp_message_parser_parse(struct snd_motu *motu, const struct pkt_desc *descs,
+ unsigned int desc_count, unsigned int data_block_quadlets)
+{
+ struct msg_parser *parser = motu->message_parser;
+ bool meter_pos_quirk = parser->meter_pos_quirk;
+ unsigned int pos = parser->push_pos;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&parser->lock, flags);
+
+ for (i = 0; i < desc_count; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buffer = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
+ int j;
+
+ for (j = 0; j < data_blocks; ++j) {
+ u8 *b = (u8 *)buffer;
+ u8 msg_type = (b[MSG_FLAG_POS] & MSG_FLAG_TYPE_MASK) >> MSG_FLAG_TYPE_SHIFT;
+ u8 val = b[MSG_VALUE_POS];
+
+ buffer += data_block_quadlets;
+
+ switch (msg_type) {
+ case MIXER_SELECT:
+ {
+ u8 mixer_ch = val / 0x20;
+ if (mixer_ch < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT) {
+ parser->mixer_src_ch = 0;
+ parser->mixer_ch = mixer_ch;
+ }
+ break;
+ }
+ case MIXER_SRC_GAIN:
+ case MIXER_SRC_PAN:
+ case MIXER_SRC_FLAG:
+ case MIXER_SRC_PAIRED_BALANCE:
+ case MIXER_SRC_PAIRED_WIDTH:
+ {
+ struct snd_firewire_motu_register_dsp_parameter *param = &parser->param;
+ u8 mixer_ch = parser->mixer_ch;
+ u8 mixer_src_ch = parser->mixer_src_ch;
+
+ if (msg_type != parser->prev_mixer_src_type)
+ mixer_src_ch = 0;
+ else
+ ++mixer_src_ch;
+ parser->prev_mixer_src_type = msg_type;
+
+ if (mixer_ch < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT &&
+ mixer_src_ch < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_SRC_COUNT) {
+ u8 mixer_ch = parser->mixer_ch;
+
+ switch (msg_type) {
+ case MIXER_SRC_GAIN:
+ if (param->mixer.source[mixer_ch].gain[mixer_src_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, mixer_src_ch, val);
+ param->mixer.source[mixer_ch].gain[mixer_src_ch] = val;
+ }
+ break;
+ case MIXER_SRC_PAN:
+ if (param->mixer.source[mixer_ch].pan[mixer_src_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, mixer_src_ch, val);
+ param->mixer.source[mixer_ch].pan[mixer_src_ch] = val;
+ }
+ break;
+ case MIXER_SRC_FLAG:
+ if (param->mixer.source[mixer_ch].flag[mixer_src_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, mixer_src_ch, val);
+ param->mixer.source[mixer_ch].flag[mixer_src_ch] = val;
+ }
+ break;
+ case MIXER_SRC_PAIRED_BALANCE:
+ if (param->mixer.source[mixer_ch].paired_balance[mixer_src_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, mixer_src_ch, val);
+ param->mixer.source[mixer_ch].paired_balance[mixer_src_ch] = val;
+ }
+ break;
+ case MIXER_SRC_PAIRED_WIDTH:
+ if (param->mixer.source[mixer_ch].paired_width[mixer_src_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, mixer_src_ch, val);
+ param->mixer.source[mixer_ch].paired_width[mixer_src_ch] = val;
+ }
+ break;
+ default:
+ break;
+ }
+
+ parser->mixer_src_ch = mixer_src_ch;
+ }
+ break;
+ }
+ case MIXER_OUTPUT_PAIRED_VOLUME:
+ case MIXER_OUTPUT_PAIRED_FLAG:
+ {
+ struct snd_firewire_motu_register_dsp_parameter *param = &parser->param;
+ u8 mixer_ch = parser->mixer_ch;
+
+ if (mixer_ch < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_MIXER_COUNT) {
+ switch (msg_type) {
+ case MIXER_OUTPUT_PAIRED_VOLUME:
+ if (param->mixer.output.paired_volume[mixer_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, 0, val);
+ param->mixer.output.paired_volume[mixer_ch] = val;
+ }
+ break;
+ case MIXER_OUTPUT_PAIRED_FLAG:
+ if (param->mixer.output.paired_flag[mixer_ch] != val) {
+ queue_event(motu, msg_type, mixer_ch, 0, val);
+ param->mixer.output.paired_flag[mixer_ch] = val;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ case MAIN_OUTPUT_PAIRED_VOLUME:
+ if (parser->param.output.main_paired_volume != val) {
+ queue_event(motu, msg_type, 0, 0, val);
+ parser->param.output.main_paired_volume = val;
+ }
+ break;
+ case HP_OUTPUT_PAIRED_VOLUME:
+ if (parser->param.output.hp_paired_volume != val) {
+ queue_event(motu, msg_type, 0, 0, val);
+ parser->param.output.hp_paired_volume = val;
+ }
+ break;
+ case HP_OUTPUT_PAIRED_ASSIGNMENT:
+ if (parser->param.output.hp_paired_assignment != val) {
+ queue_event(motu, msg_type, 0, 0, val);
+ parser->param.output.hp_paired_assignment = val;
+ }
+ break;
+ case LINE_INPUT_BOOST:
+ if (parser->param.line_input.boost_flag != val) {
+ queue_event(motu, msg_type, 0, 0, val);
+ parser->param.line_input.boost_flag = val;
+ }
+ break;
+ case LINE_INPUT_NOMINAL_LEVEL:
+ if (parser->param.line_input.nominal_level_flag != val) {
+ queue_event(motu, msg_type, 0, 0, val);
+ parser->param.line_input.nominal_level_flag = val;
+ }
+ break;
+ case INPUT_GAIN_AND_INVERT:
+ case INPUT_FLAG:
+ {
+ struct snd_firewire_motu_register_dsp_parameter *param = &parser->param;
+ u8 input_ch = parser->input_ch;
+
+ if (parser->prev_msg_type != msg_type)
+ input_ch = 0;
+ else
+ ++input_ch;
+
+ if (input_ch < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_INPUT_COUNT) {
+ switch (msg_type) {
+ case INPUT_GAIN_AND_INVERT:
+ if (param->input.gain_and_invert[input_ch] != val) {
+ queue_event(motu, msg_type, input_ch, 0, val);
+ param->input.gain_and_invert[input_ch] = val;
+ }
+ break;
+ case INPUT_FLAG:
+ if (param->input.flag[input_ch] != val) {
+ queue_event(motu, msg_type, input_ch, 0, val);
+ param->input.flag[input_ch] = val;
+ }
+ break;
+ default:
+ break;
+ }
+ parser->input_ch = input_ch;
+ }
+ break;
+ }
+ case UNKNOWN_0:
+ case UNKNOWN_2:
+ break;
+ case METER:
+ {
+ u8 pos;
+
+ if (!meter_pos_quirk)
+ pos = b[MSG_METER_IDX_POS];
+ else
+ pos = b[MSG_METER_IDX_POS_4PRE_AE];
+
+ if (pos < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_INPUT_COUNT) {
+ parser->meter.data[pos] = val;
+ } else if (pos >= 0x80) {
+ pos -= (0x80 - SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_INPUT_COUNT);
+
+ if (pos < SNDRV_FIREWIRE_MOTU_REGISTER_DSP_METER_COUNT)
+ parser->meter.data[pos] = val;
+ }
+
+ // The message for meter is interruptible to the series of other
+ // types of messages. Don't cache it.
+ fallthrough;
+ }
+ case INVALID:
+ default:
+ // Don't cache it.
+ continue;
+ }
+
+ parser->prev_msg_type = msg_type;
+ }
+ }
+
+ if (pos != parser->push_pos)
+ wake_up(&motu->hwdep_wait);
+
+ spin_unlock_irqrestore(&parser->lock, flags);
+}
+
+void snd_motu_register_dsp_message_parser_copy_meter(struct snd_motu *motu,
+ struct snd_firewire_motu_register_dsp_meter *meter)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned long flags;
+
+ spin_lock_irqsave(&parser->lock, flags);
+ memcpy(meter, &parser->meter, sizeof(*meter));
+ spin_unlock_irqrestore(&parser->lock, flags);
+}
+
+void snd_motu_register_dsp_message_parser_copy_parameter(struct snd_motu *motu,
+ struct snd_firewire_motu_register_dsp_parameter *param)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned long flags;
+
+ spin_lock_irqsave(&parser->lock, flags);
+ memcpy(param, &parser->param, sizeof(*param));
+ spin_unlock_irqrestore(&parser->lock, flags);
+}
+
+unsigned int snd_motu_register_dsp_message_parser_count_event(struct snd_motu *motu)
+{
+ struct msg_parser *parser = motu->message_parser;
+
+ if (parser->pull_pos > parser->push_pos)
+ return EVENT_QUEUE_SIZE - parser->pull_pos + parser->push_pos;
+ else
+ return parser->push_pos - parser->pull_pos;
+}
+
+bool snd_motu_register_dsp_message_parser_copy_event(struct snd_motu *motu, u32 *event)
+{
+ struct msg_parser *parser = motu->message_parser;
+ unsigned int pos = parser->pull_pos;
+ unsigned long flags;
+
+ if (pos == parser->push_pos)
+ return false;
+
+ spin_lock_irqsave(&parser->lock, flags);
+
+ *event = parser->event_queue[pos];
+
+ ++pos;
+ if (pos >= EVENT_QUEUE_SIZE)
+ pos = 0;
+ parser->pull_pos = pos;
+
+ spin_unlock_irqrestore(&parser->lock, flags);
+
+ return true;
+}
if (err < 0)
return err;
+ if (motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP) {
+ err = snd_motu_register_dsp_message_parser_init(motu);
+ if (err < 0)
+ return err;
+ } else if (motu->spec->flags & SND_MOTU_SPEC_COMMAND_DSP) {
+ err = snd_motu_command_dsp_message_parser_init(motu, motu->tx_stream.sfc);
+ if (err < 0)
+ return err;
+ }
+
err = begin_session(motu);
if (err < 0) {
dev_err(&motu->unit->device,
if (err < 0)
goto error;
+ if (motu->spec->flags & SND_MOTU_SPEC_REGISTER_DSP) {
+ err = snd_motu_register_dsp_message_parser_new(motu);
+ if (err < 0)
+ goto error;
+ } else if (motu->spec->flags & SND_MOTU_SPEC_COMMAND_DSP) {
+ err = snd_motu_command_dsp_message_parser_new(motu);
+ if (err < 0)
+ goto error;
+ }
+
err = snd_card_register(card);
if (err < 0)
goto error;
int dev_lock_count;
bool dev_lock_changed;
wait_queue_head_t hwdep_wait;
+ struct snd_hwdep *hwdep;
struct amdtp_domain domain;
struct amdtp_motu_cache cache;
+
+ void *message_parser;
};
enum snd_motu_spec_flags {
SND_MOTU_SPEC_RX_MIDI_3RD_Q = 0x0002,
SND_MOTU_SPEC_TX_MIDI_2ND_Q = 0x0004,
SND_MOTU_SPEC_TX_MIDI_3RD_Q = 0x0008,
+ SND_MOTU_SPEC_REGISTER_DSP = 0x0010,
+ SND_MOTU_SPEC_COMMAND_DSP = 0x0020,
};
#define SND_MOTU_CLOCK_RATE_COUNT 6
return -ENXIO;
}
+int snd_motu_register_dsp_message_parser_new(struct snd_motu *motu);
+int snd_motu_register_dsp_message_parser_init(struct snd_motu *motu);
+void snd_motu_register_dsp_message_parser_parse(struct snd_motu *motu, const struct pkt_desc *descs,
+ unsigned int desc_count, unsigned int data_block_quadlets);
+void snd_motu_register_dsp_message_parser_copy_meter(struct snd_motu *motu,
+ struct snd_firewire_motu_register_dsp_meter *meter);
+void snd_motu_register_dsp_message_parser_copy_parameter(struct snd_motu *motu,
+ struct snd_firewire_motu_register_dsp_parameter *params);
+unsigned int snd_motu_register_dsp_message_parser_count_event(struct snd_motu *motu);
+bool snd_motu_register_dsp_message_parser_copy_event(struct snd_motu *motu, u32 *event);
+
+int snd_motu_command_dsp_message_parser_new(struct snd_motu *motu);
+int snd_motu_command_dsp_message_parser_init(struct snd_motu *motu, enum cip_sfc sfc);
+void snd_motu_command_dsp_message_parser_parse(struct snd_motu *motu, const struct pkt_desc *descs,
+ unsigned int desc_count, unsigned int data_block_quadlets);
+void snd_motu_command_dsp_message_parser_copy_meter(struct snd_motu *motu,
+ struct snd_firewire_motu_command_dsp_meter *meter);
+
#endif
#include <linux/delay.h>
#define AVC_GENERIC_FRAME_MAXIMUM_BYTES 512
-#define READY_TIMEOUT_MS 200
+#define READY_TIMEOUT_MS 600
/*
* According to datasheet of Oxford Semiconductor:
// Just after changing sampling transfer frequency, many cycles are
// skipped for packet transmission.
tx_init_skip_cycles = 400;
+ } else if (oxfw->quirks & SND_OXFW_QUIRK_VOLUNTARY_RECOVERY) {
+ // It takes a bit time for target device to adjust event frequency
+ // according to nominal event frequency in isochronous packets from
+ // ALSA oxfw driver.
+ tx_init_skip_cycles = 4000;
} else {
replay_seq = true;
}
#define MODEL_SATELLITE 0x00200f
#define MODEL_SCS1M 0x001000
#define MODEL_DUET_FW 0x01dddd
+#define MODEL_ONYX_1640I 0x001640
#define SPECIFIER_1394TA 0x00a02d
#define VERSION_AVC 0x010001
// OXFW971-based models may transfer events by blocking method.
if (!(oxfw->quirks & SND_OXFW_QUIRK_JUMBO_PAYLOAD))
oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
+
+ if (model == MODEL_ONYX_1640I) {
+ //Unless receiving packets without NOINFO packet, the device transfers
+ //mostly half of events in packets than expected.
+ oxfw->quirks |= SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET |
+ SND_OXFW_QUIRK_VOLUNTARY_RECOVERY;
+ }
}
return 0;
// the device to process audio data even if the value is invalid in a point of
// IEC 61883-1/6.
SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET = 0x10,
+ // Loud Technologies Mackie Onyx 1640i seems to configure OXFW971 ASIC so that it decides
+ // event frequency according to events in received isochronous packets. The device looks to
+ // performs media clock recovery voluntarily. In the recovery, the packets with NO_INFO
+ // are ignored, thus driver should transfer packets with timestamp.
+ SND_OXFW_QUIRK_VOLUNTARY_RECOVERY = 0x20,
};
/* This is an arbitrary number for convinience. */
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_free_all);
-/**
- * snd_hdac_ext_stream_decouple - decouple the hdac stream
- * @bus: HD-audio core bus
- * @stream: HD-audio ext core stream object to initialize
- * @decouple: flag to decouple
- */
-void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
- struct hdac_ext_stream *stream, bool decouple)
+void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus,
+ struct hdac_ext_stream *stream,
+ bool decouple)
{
struct hdac_stream *hstream = &stream->hstream;
u32 val;
int mask = AZX_PPCTL_PROCEN(hstream->index);
- spin_lock_irq(&bus->reg_lock);
val = readw(bus->ppcap + AZX_REG_PP_PPCTL) & mask;
if (decouple && !val)
snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, mask, 0);
stream->decoupled = decouple;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple_locked);
+
+/**
+ * snd_hdac_ext_stream_decouple - decouple the hdac stream
+ * @bus: HD-audio core bus
+ * @stream: HD-audio ext core stream object to initialize
+ * @decouple: flag to decouple
+ */
+void snd_hdac_ext_stream_decouple(struct hdac_bus *bus,
+ struct hdac_ext_stream *stream, bool decouple)
+{
+ spin_lock_irq(&bus->reg_lock);
+ snd_hdac_ext_stream_decouple_locked(bus, stream, decouple);
spin_unlock_irq(&bus->reg_lock);
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple);
return NULL;
}
+ spin_lock_irq(&bus->reg_lock);
list_for_each_entry(stream, &bus->stream_list, list) {
struct hdac_ext_stream *hstream = container_of(stream,
struct hdac_ext_stream,
}
if (!hstream->link_locked) {
- snd_hdac_ext_stream_decouple(bus, hstream, true);
+ snd_hdac_ext_stream_decouple_locked(bus, hstream, true);
res = hstream;
break;
}
}
if (res) {
- spin_lock_irq(&bus->reg_lock);
res->link_locked = 1;
res->link_substream = substream;
- spin_unlock_irq(&bus->reg_lock);
}
+ spin_unlock_irq(&bus->reg_lock);
return res;
}
return NULL;
}
+ spin_lock_irq(&bus->reg_lock);
list_for_each_entry(stream, &bus->stream_list, list) {
struct hdac_ext_stream *hstream = container_of(stream,
struct hdac_ext_stream,
if (!stream->opened) {
if (!hstream->decoupled)
- snd_hdac_ext_stream_decouple(bus, hstream, true);
+ snd_hdac_ext_stream_decouple_locked(bus, hstream, true);
res = hstream;
break;
}
}
if (res) {
- spin_lock_irq(&bus->reg_lock);
res->hstream.opened = 1;
res->hstream.running = 0;
res->hstream.substream = substream;
- spin_unlock_irq(&bus->reg_lock);
}
+ spin_unlock_irq(&bus->reg_lock);
return res;
}
break;
case HDAC_EXT_STREAM_TYPE_HOST:
+ spin_lock_irq(&bus->reg_lock);
if (stream->decoupled && !stream->link_locked)
- snd_hdac_ext_stream_decouple(bus, stream, false);
+ snd_hdac_ext_stream_decouple_locked(bus, stream, false);
+ spin_unlock_irq(&bus->reg_lock);
snd_hdac_stream_release(&stream->hstream);
break;
case HDAC_EXT_STREAM_TYPE_LINK:
- if (stream->decoupled && !stream->hstream.opened)
- snd_hdac_ext_stream_decouple(bus, stream, false);
spin_lock_irq(&bus->reg_lock);
+ if (stream->decoupled && !stream->hstream.opened)
+ snd_hdac_ext_stream_decouple_locked(bus, stream, false);
stream->link_locked = 0;
stream->link_substream = NULL;
spin_unlock_irq(&bus->reg_lock);
int key = (substream->pcm->device << 16) | (substream->number << 2) |
(substream->stream + 1);
+ spin_lock_irq(&bus->reg_lock);
list_for_each_entry(azx_dev, &bus->stream_list, list) {
if (azx_dev->direction != substream->stream)
continue;
res = azx_dev;
}
if (res) {
- spin_lock_irq(&bus->reg_lock);
res->opened = 1;
res->running = 0;
res->assigned_key = key;
res->substream = substream;
- spin_unlock_irq(&bus->reg_lock);
}
+ spin_unlock_irq(&bus->reg_lock);
return res;
}
EXPORT_SYMBOL_GPL(snd_hdac_stream_assign);
menuconfig SND_ISA
bool "ISA sound devices"
depends on ISA || COMPILE_TEST
- depends on ISA_DMA_API
+ depends on ISA_DMA_API && !M68K
default y
help
Support for sound devices connected via the ISA bus.
}
block = snd_gf1_dma_next_block(gus);
spin_unlock(&gus->dma_lock);
+ if (!block)
+ return;
snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
kfree(block);
#if 0
config SND_CS5530
tristate "CS5530 Audio"
depends on ISA_DMA_API && (X86_32 || COMPILE_TEST)
+ depends on !M68K
select SND_SB16_DSP
help
Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips.
* the update-IRQ timing. The IRQ is issued before actually the
* data is processed. So, we need to process it afterwords in a
* workqueue.
+ *
+ * Returns 1 if OK to proceed, 0 for delay handling, -1 for skipping update
*/
static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
{
struct snd_pcm_substream *substream = azx_dev->core.substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int stream = substream->stream;
u32 wallclk;
unsigned int pos;
+ snd_pcm_uframes_t hwptr, target;
wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
/* NG - it's below the first next period boundary */
return chip->bdl_pos_adj ? 0 : -1;
azx_dev->core.start_wallclk += wallclk;
+
+ if (azx_dev->core.no_period_wakeup)
+ return 1; /* OK, no need to check period boundary */
+
+ if (runtime->hw_ptr_base != runtime->hw_ptr_interrupt)
+ return 1; /* OK, already in hwptr updating process */
+
+ /* check whether the period gets really elapsed */
+ pos = bytes_to_frames(runtime, pos);
+ hwptr = runtime->hw_ptr_base + pos;
+ if (hwptr < runtime->status->hw_ptr)
+ hwptr += runtime->buffer_size;
+ target = runtime->hw_ptr_interrupt + runtime->period_size;
+ if (hwptr < target) {
+ /* too early wakeup, process it later */
+ return chip->bdl_pos_adj ? 0 : -1;
+ }
+
return 1; /* OK, it's fine */
}
return substream->runtime->delay;
}
-static unsigned int azx_skl_get_dpib_pos(struct azx *chip,
- struct azx_dev *azx_dev)
-{
- return _snd_hdac_chip_readl(azx_bus(chip),
- AZX_REG_VS_SDXDPIB_XBASE +
- (AZX_REG_VS_SDXDPIB_XINTERVAL *
- azx_dev->core.index));
-}
-
-/* get the current DMA position with correction on SKL+ chips */
-static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev)
-{
- /* DPIB register gives a more accurate position for playback */
- if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- return azx_skl_get_dpib_pos(chip, azx_dev);
-
- /* For capture, we need to read posbuf, but it requires a delay
- * for the possible boundary overlap; the read of DPIB fetches the
- * actual posbuf
- */
- udelay(20);
- azx_skl_get_dpib_pos(chip, azx_dev);
- return azx_get_pos_posbuf(chip, azx_dev);
-}
-
static void __azx_shutdown_chip(struct azx *chip, bool skip_link_reset)
{
azx_stop_chip(chip);
[POS_FIX_POSBUF] = azx_get_pos_posbuf,
[POS_FIX_VIACOMBO] = azx_via_get_position,
[POS_FIX_COMBO] = azx_get_pos_lpib,
- [POS_FIX_SKL] = azx_get_pos_skl,
+ [POS_FIX_SKL] = azx_get_pos_posbuf,
[POS_FIX_FIFO] = azx_get_pos_fifo,
};
SND_PCI_QUIRK(0x1558, 0x65d2, "Clevo PB51R[CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x65e1, "Clevo PB51[ED][DF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x65e5, "Clevo PC50D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x65f1, "Clevo PC50HS", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
alc_fixup_hp_gpio_led(codec, action, 0x10, 0);
}
+static void alc245_fixup_hp_gpio_led(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ struct alc_spec *spec = codec->spec;
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE)
+ spec->micmute_led_polarity = 1;
+ alc_fixup_hp_gpio_led(codec, action, 0, 0x04);
+}
+
/* turn on/off mic-mute LED per capture hook via VREF change */
static int vref_micmute_led_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
}
}
+/* GPIO1 = amplifier on/off
+ * GPIO3 = mic mute LED
+ */
+static void alc285_fixup_hp_spectre_x360_eb1(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ static const hda_nid_t conn[] = { 0x02 };
+
+ struct alc_spec *spec = codec->spec;
+ static const struct hda_pintbl pincfgs[] = {
+ { 0x14, 0x90170110 }, /* front/high speakers */
+ { 0x17, 0x90170130 }, /* back/bass speakers */
+ { }
+ };
+
+ //enable micmute led
+ alc_fixup_hp_gpio_led(codec, action, 0x00, 0x04);
+
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ spec->micmute_led_polarity = 1;
+ /* needed for amp of back speakers */
+ spec->gpio_mask |= 0x01;
+ spec->gpio_dir |= 0x01;
+ snd_hda_apply_pincfgs(codec, pincfgs);
+ /* share DAC to have unified volume control */
+ snd_hda_override_conn_list(codec, 0x14, ARRAY_SIZE(conn), conn);
+ snd_hda_override_conn_list(codec, 0x17, ARRAY_SIZE(conn), conn);
+ break;
+ case HDA_FIXUP_ACT_INIT:
+ /* need to toggle GPIO to enable the amp of back speakers */
+ alc_update_gpio_data(codec, 0x01, true);
+ msleep(100);
+ alc_update_gpio_data(codec, 0x01, false);
+ break;
+ }
+}
+
static void alc285_fixup_hp_spectre_x360(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED,
ALC280_FIXUP_HP_9480M,
ALC245_FIXUP_HP_X360_AMP,
+ ALC285_FIXUP_HP_SPECTRE_X360_EB1,
ALC288_FIXUP_DELL_HEADSET_MODE,
ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC288_FIXUP_DELL_XPS_13,
ALC285_FIXUP_THINKPAD_NO_BASS_SPK_HEADSET_JACK,
ALC287_FIXUP_HP_GPIO_LED,
ALC256_FIXUP_HP_HEADSET_MIC,
+ ALC245_FIXUP_HP_GPIO_LED,
ALC236_FIXUP_DELL_AIO_HEADSET_MIC,
ALC282_FIXUP_ACER_DISABLE_LINEOUT,
ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST,
[ALC245_FIXUP_HP_X360_AMP] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc245_fixup_hp_x360_amp,
+ .chained = true,
+ .chain_id = ALC245_FIXUP_HP_GPIO_LED
},
[ALC288_FIXUP_DELL_HEADSET_MODE] = {
.type = HDA_FIXUP_FUNC,
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_hp_spectre_x360,
},
+ [ALC285_FIXUP_HP_SPECTRE_X360_EB1] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc285_fixup_hp_spectre_x360_eb1
+ },
[ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_ideapad_s740_coef,
.type = HDA_FIXUP_FUNC,
.v.func = alc256_fixup_tongfang_reset_persistent_settings,
},
+ [ALC245_FIXUP_HP_GPIO_LED] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc245_fixup_hp_gpio_led,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
ALC285_FIXUP_HP_GPIO_AMP_INIT),
SND_PCI_QUIRK(0x103c, 0x8783, "HP ZBook Fury 15 G7 Mobile Workstation",
ALC285_FIXUP_HP_GPIO_AMP_INIT),
+ SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87e7, "HP ProBook 450 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP),
SND_PCI_QUIRK(0x103c, 0x8805, "HP ProBook 650 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x880d, "HP EliteBook 830 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8811, "HP Spectre x360 15-eb1xxx", ALC285_FIXUP_HP_SPECTRE_X360_EB1),
+ SND_PCI_QUIRK(0x103c, 0x8812, "HP Spectre x360 15-eb1xxx", ALC285_FIXUP_HP_SPECTRE_X360_EB1),
SND_PCI_QUIRK(0x103c, 0x8846, "HP EliteBook 850 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8847, "HP EliteBook x360 830 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x884b, "HP EliteBook 840 Aero G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED),
{.id = ALC245_FIXUP_HP_X360_AMP, .name = "alc245-hp-x360-amp"},
{.id = ALC295_FIXUP_HP_OMEN, .name = "alc295-hp-omen"},
{.id = ALC285_FIXUP_HP_SPECTRE_X360, .name = "alc285-hp-spectre-x360"},
+ {.id = ALC285_FIXUP_HP_SPECTRE_X360_EB1, .name = "alc285-hp-spectre-x360-eb1"},
{.id = ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP, .name = "alc287-ideapad-bass-spk-amp"},
{.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"},
{.id = ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, .name = "alc255-acer-headphone-and-mic"},
return NULL;
}
+ spin_lock_irq(&bus->reg_lock);
list_for_each_entry(stream, &bus->stream_list, list) {
struct hdac_ext_stream *hstream =
stream_to_hdac_ext_stream(stream);
* is updated in snd_hdac_ext_stream_decouple().
*/
if (!res->decoupled)
- snd_hdac_ext_stream_decouple(bus, res, true);
- spin_lock_irq(&bus->reg_lock);
+ snd_hdac_ext_stream_decouple_locked(bus, res, true);
+
res->link_locked = 1;
res->link_substream = substream;
- spin_unlock_irq(&bus->reg_lock);
}
+ spin_unlock_irq(&bus->reg_lock);
return res;
}
int actual_len;
ret = usb_interrupt_msg(dev, usb_sndintpipe(dev, COMM_EP),
- buffer, buffer[1] + 2, &actual_len, HZ);
+ buffer, buffer[1] + 2, &actual_len, 1000);
if (ret < 0)
return ret;
else if (actual_len != buffer[1] + 2)
{
return usb_control_msg_send(device, 0, type,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, 0, data, len, HZ, GFP_KERNEL);
+ value, 0, data, len, 1000, GFP_KERNEL);
}
static int usb6fire_fw_ezusb_read(struct usb_device *device,
{
return usb_control_msg_recv(device, 0, type,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, 0, data, len, HZ, GFP_KERNEL);
+ value, 0, data, len, 1000, GFP_KERNEL);
}
static int usb6fire_fw_fpga_write(struct usb_device *device,
int ret;
ret = usb_bulk_msg(device, usb_sndbulkpipe(device, FPGA_EP), data, len,
- &actual_len, HZ);
+ &actual_len, 1000);
if (ret < 0)
return ret;
else if (actual_len != len)
atomic_t state; /* running state */
- void (*prepare_data_urb) (struct snd_usb_substream *subs,
- struct urb *urb);
+ int (*prepare_data_urb) (struct snd_usb_substream *subs,
+ struct urb *urb,
+ bool in_stream_lock);
void (*retire_data_urb) (struct snd_usb_substream *subs,
struct urb *urb);
struct list_head ready_playback_urbs; /* playback URB FIFO for implicit fb */
unsigned int nurbs; /* # urbs */
- unsigned int nominal_queue_size; /* total buffer sizes in URBs */
unsigned long active_mask; /* bitmask of active urbs */
unsigned long unlink_mask; /* bitmask of unlinked urbs */
+ atomic_t submitted_urbs; /* currently submitted urbs */
char *syncbuf; /* sync buffer for all sync URBs */
dma_addr_t sync_dma; /* DMA address of syncbuf */
int skip_packets; /* quirks for devices to ignore the first n packets
in a stream */
bool implicit_fb_sync; /* syncs with implicit feedback */
+ bool lowlatency_playback; /* low-latency playback mode */
bool need_setup; /* (re-)need for configure? */
/* for hw constraints */
unsigned int cur_period_frames;
unsigned int cur_period_bytes;
unsigned int cur_buffer_periods;
+ unsigned char cur_clock;
spinlock_t lock;
struct list_head list;
} dsd_dop;
bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
- bool early_playback_start; /* early start needed for playback? */
+ bool lowlatency_playback; /* low-latency playback mode */
struct media_ctl *media_ctl;
};
return -EINVAL;
}
- /* first, see if the ID we're looking for is a clock source already */
+ /* first, see if the ID we're looking at is a clock source already */
source = snd_usb_find_clock_source(chip, entity_id, proto);
if (source) {
entity_id = GET_VAL(source, proto, bClockID);
goto find_source;
}
- /* the entity ID we are looking for is a selector.
+ /* the entity ID we are looking at is a selector.
* find out what it currently selects */
ret = uac_clock_selector_get_val(chip, clock_id);
if (ret < 0) {
union uac23_clock_source_desc *cs_desc;
cs_desc = snd_usb_find_clock_source(chip, clock, fmt->protocol);
+
+ if (!cs_desc)
+ return 0;
+
if (fmt->protocol == UAC_VERSION_3)
bmControls = le32_to_cpu(cs_desc->v3.bmControls);
else
* This won't be used for implicit feedback which takes the packet size
* returned from the sync source
*/
-static int slave_next_packet_size(struct snd_usb_endpoint *ep)
+static int slave_next_packet_size(struct snd_usb_endpoint *ep,
+ unsigned int avail)
{
unsigned long flags;
+ unsigned int phase;
int ret;
if (ep->fill_max)
return ep->maxframesize;
spin_lock_irqsave(&ep->lock, flags);
- ep->phase = (ep->phase & 0xffff)
- + (ep->freqm << ep->datainterval);
- ret = min(ep->phase >> 16, ep->maxframesize);
+ phase = (ep->phase & 0xffff) + (ep->freqm << ep->datainterval);
+ ret = min(phase >> 16, ep->maxframesize);
+ if (avail && ret >= avail)
+ ret = -EAGAIN;
+ else
+ ep->phase = phase;
spin_unlock_irqrestore(&ep->lock, flags);
return ret;
* Return the number of samples to be sent in the next packet
* for adaptive and synchronous endpoints
*/
-static int next_packet_size(struct snd_usb_endpoint *ep)
+static int next_packet_size(struct snd_usb_endpoint *ep, unsigned int avail)
{
+ unsigned int sample_accum;
int ret;
if (ep->fill_max)
return ep->maxframesize;
- ep->sample_accum += ep->sample_rem;
- if (ep->sample_accum >= ep->pps) {
- ep->sample_accum -= ep->pps;
+ sample_accum = ep->sample_accum + ep->sample_rem;
+ if (sample_accum >= ep->pps) {
+ sample_accum -= ep->pps;
ret = ep->packsize[1];
} else {
ret = ep->packsize[0];
}
+ if (avail && ret >= avail)
+ ret = -EAGAIN;
+ else
+ ep->sample_accum = sample_accum;
return ret;
}
/*
* snd_usb_endpoint_next_packet_size: Return the number of samples to be sent
* in the next packet
+ *
+ * If the size is equal or exceeds @avail, don't proceed but return -EAGAIN
+ * Exception: @avail = 0 for skipping the check.
*/
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep,
- struct snd_urb_ctx *ctx, int idx)
+ struct snd_urb_ctx *ctx, int idx,
+ unsigned int avail)
{
- if (ctx->packet_size[idx])
- return ctx->packet_size[idx];
- else if (ep->sync_source)
- return slave_next_packet_size(ep);
+ unsigned int packet;
+
+ packet = ctx->packet_size[idx];
+ if (packet) {
+ if (avail && packet >= avail)
+ return -EAGAIN;
+ return packet;
+ }
+
+ if (ep->sync_source)
+ return slave_next_packet_size(ep, avail);
else
- return next_packet_size(ep);
+ return next_packet_size(ep, avail);
}
static void call_retire_callback(struct snd_usb_endpoint *ep,
unsigned int length;
int counts;
- counts = snd_usb_endpoint_next_packet_size(ep, ctx, i);
+ counts = snd_usb_endpoint_next_packet_size(ep, ctx, i, 0);
length = counts * ep->stride; /* number of silent bytes */
offset = offs * ep->stride + extra * i;
urb->iso_frame_desc[i].offset = offset;
/*
* Prepare a PLAYBACK urb for submission to the bus.
*/
-static void prepare_outbound_urb(struct snd_usb_endpoint *ep,
- struct snd_urb_ctx *ctx)
+static int prepare_outbound_urb(struct snd_usb_endpoint *ep,
+ struct snd_urb_ctx *ctx,
+ bool in_stream_lock)
{
struct urb *urb = ctx->urb;
unsigned char *cp = urb->transfer_buffer;
case SND_USB_ENDPOINT_TYPE_DATA:
data_subs = READ_ONCE(ep->data_subs);
if (data_subs && ep->prepare_data_urb)
- ep->prepare_data_urb(data_subs, urb);
- else /* no data provider, so send silence */
- prepare_silent_urb(ep, ctx);
+ return ep->prepare_data_urb(data_subs, urb, in_stream_lock);
+ /* no data provider, so send silence */
+ prepare_silent_urb(ep, ctx);
break;
case SND_USB_ENDPOINT_TYPE_SYNC:
break;
}
+ return 0;
}
/*
* Prepare a CAPTURE or SYNC urb for submission to the bus.
*/
-static inline void prepare_inbound_urb(struct snd_usb_endpoint *ep,
- struct snd_urb_ctx *urb_ctx)
+static int prepare_inbound_urb(struct snd_usb_endpoint *ep,
+ struct snd_urb_ctx *urb_ctx)
{
int i, offs;
struct urb *urb = urb_ctx->urb;
urb->iso_frame_desc[0].offset = 0;
break;
}
+ return 0;
}
/* notify an error as XRUN to the assigned PCM data substream */
return p;
}
+static void push_back_to_ready_list(struct snd_usb_endpoint *ep,
+ struct snd_urb_ctx *ctx)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ep->lock, flags);
+ list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs);
+ spin_unlock_irqrestore(&ep->lock, flags);
+}
+
/*
* Send output urbs that have been prepared previously. URBs are dequeued
* from ep->ready_playback_urbs and in case there aren't any available
* is that host controllers don't guarantee the order in which they return
* inbound and outbound packets to their submitters.
*
- * This function is only used for implicit feedback endpoints. For endpoints
- * driven by dedicated sync endpoints, URBs are immediately re-submitted
- * from their completion handler.
+ * This function is used both for implicit feedback endpoints and in low-
+ * latency playback mode.
*/
-static void queue_pending_output_urbs(struct snd_usb_endpoint *ep)
+void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep,
+ bool in_stream_lock)
{
+ bool implicit_fb = snd_usb_endpoint_implicit_feedback_sink(ep);
+
while (ep_state_running(ep)) {
unsigned long flags;
int err, i;
spin_lock_irqsave(&ep->lock, flags);
- if (ep->next_packet_queued > 0 &&
+ if ((!implicit_fb || ep->next_packet_queued > 0) &&
!list_empty(&ep->ready_playback_urbs)) {
/* take URB out of FIFO */
ctx = list_first_entry(&ep->ready_playback_urbs,
struct snd_urb_ctx, ready_list);
list_del_init(&ctx->ready_list);
-
- packet = next_packet_fifo_dequeue(ep);
+ if (implicit_fb)
+ packet = next_packet_fifo_dequeue(ep);
}
spin_unlock_irqrestore(&ep->lock, flags);
return;
/* copy over the length information */
- for (i = 0; i < packet->packets; i++)
- ctx->packet_size[i] = packet->packet_size[i];
+ if (implicit_fb) {
+ for (i = 0; i < packet->packets; i++)
+ ctx->packet_size[i] = packet->packet_size[i];
+ }
/* call the data handler to fill in playback data */
- prepare_outbound_urb(ep, ctx);
+ err = prepare_outbound_urb(ep, ctx, in_stream_lock);
+ /* can be stopped during prepare callback */
+ if (unlikely(!ep_state_running(ep)))
+ break;
+ if (err < 0) {
+ /* push back to ready list again for -EAGAIN */
+ if (err == -EAGAIN)
+ push_back_to_ready_list(ep, ctx);
+ else
+ notify_xrun(ep);
+ return;
+ }
err = usb_submit_urb(ctx->urb, GFP_ATOMIC);
if (err < 0) {
}
set_bit(ctx->index, &ep->active_mask);
+ atomic_inc(&ep->submitted_urbs);
}
}
{
struct snd_urb_ctx *ctx = urb->context;
struct snd_usb_endpoint *ep = ctx->ep;
- unsigned long flags;
int err;
if (unlikely(urb->status == -ENOENT || /* unlinked */
if (unlikely(!ep_state_running(ep)))
goto exit_clear;
- if (snd_usb_endpoint_implicit_feedback_sink(ep)) {
- spin_lock_irqsave(&ep->lock, flags);
- list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs);
+ /* in low-latency and implicit-feedback modes, push back the
+ * URB to ready list at first, then process as much as possible
+ */
+ if (ep->lowlatency_playback ||
+ snd_usb_endpoint_implicit_feedback_sink(ep)) {
+ push_back_to_ready_list(ep, ctx);
clear_bit(ctx->index, &ep->active_mask);
- spin_unlock_irqrestore(&ep->lock, flags);
- queue_pending_output_urbs(ep);
+ snd_usb_queue_pending_output_urbs(ep, false);
+ atomic_dec(&ep->submitted_urbs); /* decrement at last */
return;
}
- prepare_outbound_urb(ep, ctx);
+ /* in non-lowlatency mode, no error handling for prepare */
+ prepare_outbound_urb(ep, ctx, false);
/* can be stopped during prepare callback */
if (unlikely(!ep_state_running(ep)))
goto exit_clear;
exit_clear:
clear_bit(ctx->index, &ep->active_mask);
+ atomic_dec(&ep->submitted_urbs);
}
/*
ep->type = type;
ep->ep_num = ep_num;
INIT_LIST_HEAD(&ep->ready_playback_urbs);
+ atomic_set(&ep->submitted_urbs, 0);
is_playback = ((ep_num & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
ep_num &= USB_ENDPOINT_NUMBER_MASK;
ep->cur_period_frames = params_period_size(params);
ep->cur_period_bytes = ep->cur_period_frames * ep->cur_frame_bytes;
ep->cur_buffer_periods = params_periods(params);
+ ep->cur_clock = fp->clock;
if (ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
endpoint_set_syncinterval(chip, ep);
* Pass NULL to deactivate each callback.
*/
void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep,
- void (*prepare)(struct snd_usb_substream *subs,
- struct urb *urb),
+ int (*prepare)(struct snd_usb_substream *subs,
+ struct urb *urb,
+ bool in_stream_lock),
void (*retire)(struct snd_usb_substream *subs,
struct urb *urb),
struct snd_usb_substream *data_subs)
{
ep->prepare_data_urb = prepare;
ep->retire_data_urb = retire;
+ if (data_subs)
+ ep->lowlatency_playback = data_subs->lowlatency_playback;
+ else
+ ep->lowlatency_playback = false;
WRITE_ONCE(ep->data_subs, data_subs);
}
ep->altsetting = 0;
ep->cur_audiofmt = NULL;
ep->cur_rate = 0;
+ ep->cur_clock = 0;
ep->iface_ref = NULL;
usb_audio_dbg(chip, "EP 0x%x closed\n", ep->ep_num);
}
return 0;
do {
- alive = bitmap_weight(&ep->active_mask, ep->nurbs);
+ alive = atomic_read(&ep->submitted_urbs);
if (!alive)
break;
*
* This function moves the EP to STOPPING state if it's being RUNNING.
*/
-static int stop_urbs(struct snd_usb_endpoint *ep, bool force)
+static int stop_urbs(struct snd_usb_endpoint *ep, bool force, bool keep_pending)
{
unsigned int i;
+ unsigned long flags;
if (!force && atomic_read(&ep->running))
return -EBUSY;
if (!ep_state_update(ep, EP_STATE_RUNNING, EP_STATE_STOPPING))
return 0;
+ spin_lock_irqsave(&ep->lock, flags);
INIT_LIST_HEAD(&ep->ready_playback_urbs);
ep->next_packet_head = 0;
ep->next_packet_queued = 0;
+ spin_unlock_irqrestore(&ep->lock, flags);
+
+ if (keep_pending)
+ return 0;
for (i = 0; i < ep->nurbs; i++) {
if (test_bit(i, &ep->active_mask)) {
snd_usb_endpoint_set_callback(ep, NULL, NULL, NULL);
/* stop and unlink urbs */
- err = stop_urbs(ep, force);
+ err = stop_urbs(ep, force, false);
if (err)
return err;
INIT_LIST_HEAD(&u->ready_list);
}
- /* total buffer bytes of all URBs plus the next queue;
- * referred in pcm.c
- */
- ep->nominal_queue_size = maxsize * urb_packs * (ep->nurbs + 1);
return 0;
out_of_memory:
return err;
}
+/* get the current rate set to the given clock by any endpoint */
+int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock)
+{
+ struct snd_usb_endpoint *ep;
+ int rate = 0;
+
+ if (!clock)
+ return 0;
+ mutex_lock(&chip->mutex);
+ list_for_each_entry(ep, &chip->ep_list, list) {
+ if (ep->cur_clock == clock && ep->cur_rate) {
+ rate = ep->cur_rate;
+ break;
+ }
+ }
+ mutex_unlock(&chip->mutex);
+ return rate;
+}
+
/**
* snd_usb_endpoint_start: start an snd_usb_endpoint
*
*/
int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
{
+ bool is_playback = usb_pipeout(ep->pipe);
int err;
unsigned int i;
if (snd_usb_endpoint_implicit_feedback_sink(ep) &&
!(ep->chip->quirk_flags & QUIRK_FLAG_PLAYBACK_FIRST)) {
- for (i = 0; i < ep->nurbs; i++) {
- struct snd_urb_ctx *ctx = ep->urb + i;
- list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs);
- }
-
usb_audio_dbg(ep->chip, "No URB submission due to implicit fb sync\n");
- return 0;
+ i = 0;
+ goto fill_rest;
}
for (i = 0; i < ep->nurbs; i++) {
if (snd_BUG_ON(!urb))
goto __error;
- if (usb_pipeout(ep->pipe)) {
- prepare_outbound_urb(ep, urb->context);
- } else {
- prepare_inbound_urb(ep, urb->context);
+ if (is_playback)
+ err = prepare_outbound_urb(ep, urb->context, true);
+ else
+ err = prepare_inbound_urb(ep, urb->context);
+ if (err < 0) {
+ /* stop filling at applptr */
+ if (err == -EAGAIN)
+ break;
+ usb_audio_dbg(ep->chip,
+ "EP 0x%x: failed to prepare urb: %d\n",
+ ep->ep_num, err);
+ goto __error;
}
err = usb_submit_urb(urb, GFP_ATOMIC);
goto __error;
}
set_bit(i, &ep->active_mask);
+ atomic_inc(&ep->submitted_urbs);
+ }
+
+ if (!i) {
+ usb_audio_dbg(ep->chip, "XRUN at starting EP 0x%x\n",
+ ep->ep_num);
+ goto __error;
}
usb_audio_dbg(ep->chip, "%d URBs submitted for EP 0x%x\n",
- ep->nurbs, ep->ep_num);
+ i, ep->ep_num);
+
+ fill_rest:
+ /* put the remaining URBs to ready list */
+ if (is_playback) {
+ for (; i < ep->nurbs; i++)
+ push_back_to_ready_list(ep, ep->urb + i);
+ }
+
return 0;
__error:
- snd_usb_endpoint_stop(ep);
+ snd_usb_endpoint_stop(ep, false);
return -EPIPE;
}
* snd_usb_endpoint_stop: stop an snd_usb_endpoint
*
* @ep: the endpoint to stop (may be NULL)
+ * @keep_pending: keep in-flight URBs
*
* A call to this function will decrement the running count of the endpoint.
* In case the last user has requested the endpoint stop, the URBs will
* The caller needs to synchronize the pending stop operation via
* snd_usb_endpoint_sync_pending_stop().
*/
-void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep)
+void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending)
{
if (!ep)
return;
if (!atomic_dec_return(&ep->running)) {
if (ep->sync_source)
WRITE_ONCE(ep->sync_source->sync_sink, NULL);
- stop_urbs(ep, false);
+ stop_urbs(ep, false, keep_pending);
}
}
}
spin_unlock_irqrestore(&ep->lock, flags);
- queue_pending_output_urbs(ep);
+ snd_usb_queue_pending_output_urbs(ep, false);
return;
}
struct snd_usb_endpoint *ep);
int snd_usb_endpoint_configure(struct snd_usb_audio *chip,
struct snd_usb_endpoint *ep);
+int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock);
bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip,
struct snd_usb_endpoint *ep,
struct snd_usb_endpoint *data_ep,
struct snd_usb_endpoint *sync_ep);
void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep,
- void (*prepare)(struct snd_usb_substream *subs,
- struct urb *urb),
+ int (*prepare)(struct snd_usb_substream *subs,
+ struct urb *urb,
+ bool in_stream_lock),
void (*retire)(struct snd_usb_substream *subs,
struct urb *urb),
struct snd_usb_substream *data_subs);
int snd_usb_endpoint_start(struct snd_usb_endpoint *ep);
-void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
+void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending);
void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep,
- struct snd_urb_ctx *ctx, int idx);
+ struct snd_urb_ctx *ctx, int idx,
+ unsigned int avail);
+void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep,
+ bool in_stream_lock);
#endif /* __USBAUDIO_ENDPOINT_H */
case USB_ID(0x0e41, 0x4242): /* Line6 Helix Rack */
case USB_ID(0x0e41, 0x4244): /* Line6 Helix LT */
case USB_ID(0x0e41, 0x4246): /* Line6 HX-Stomp */
+ case USB_ID(0x0e41, 0x4253): /* Line6 HX-Stomp XL */
case USB_ID(0x0e41, 0x4247): /* Line6 Pod Go */
case USB_ID(0x0e41, 0x4248): /* Line6 Helix >= fw 2.82 */
case USB_ID(0x0e41, 0x4249): /* Line6 Helix Rack >= fw 2.82 */
/* Fixed EP */
/* FIXME: check the availability of generic matching */
- IMPLICIT_FB_FIXED_DEV(0x1397, 0x0001, 0x81, 1), /* Behringer UFX1604 */
- IMPLICIT_FB_FIXED_DEV(0x1397, 0x0002, 0x81, 1), /* Behringer UFX1204 */
IMPLICIT_FB_FIXED_DEV(0x2466, 0x8010, 0x81, 2), /* Fractal Audio Axe-Fx III */
IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0001, 0x81, 2), /* Solid State Logic SSL2 */
IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0002, 0x81, 2), /* Solid State Logic SSL2+ */
retval = usb_interrupt_msg(line6->usbdev,
usb_sndintpipe(line6->usbdev, properties->ep_ctrl_w),
(char *)frag_buf, frag_size,
- &partial, LINE6_TIMEOUT * HZ);
+ &partial, LINE6_TIMEOUT);
} else {
retval = usb_bulk_msg(line6->usbdev,
usb_sndbulkpipe(line6->usbdev, properties->ep_ctrl_w),
(char *)frag_buf, frag_size,
- &partial, LINE6_TIMEOUT * HZ);
+ &partial, LINE6_TIMEOUT);
}
if (retval) {
ret = usb_control_msg_send(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
(datalen << 8) | 0x21, address, NULL, 0,
- LINE6_TIMEOUT * HZ, GFP_KERNEL);
+ LINE6_TIMEOUT, GFP_KERNEL);
if (ret) {
dev_err(line6->ifcdev, "read request failed (error %d)\n", ret);
goto exit;
ret = usb_control_msg_recv(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x0012, 0x0000, &len, 1,
- LINE6_TIMEOUT * HZ, GFP_KERNEL);
+ LINE6_TIMEOUT, GFP_KERNEL);
if (ret) {
dev_err(line6->ifcdev,
"receive length failed (error %d)\n", ret);
/* receive the result: */
ret = usb_control_msg_recv(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
- 0x0013, 0x0000, data, datalen, LINE6_TIMEOUT * HZ,
+ 0x0013, 0x0000, data, datalen, LINE6_TIMEOUT,
GFP_KERNEL);
if (ret)
dev_err(line6->ifcdev, "read failed (error %d)\n", ret);
ret = usb_control_msg_send(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
- 0x0022, address, data, datalen, LINE6_TIMEOUT * HZ,
+ 0x0022, address, data, datalen, LINE6_TIMEOUT,
GFP_KERNEL);
if (ret) {
dev_err(line6->ifcdev,
ret = usb_control_msg_recv(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
- 0x0012, 0x0000, status, 1, LINE6_TIMEOUT * HZ,
+ 0x0012, 0x0000, status, 1, LINE6_TIMEOUT,
GFP_KERNEL);
if (ret) {
dev_err(line6->ifcdev,
#define LINE6_FALLBACK_INTERVAL 10
#define LINE6_FALLBACK_MAXPACKETSIZE 16
-#define LINE6_TIMEOUT 1
+#define LINE6_TIMEOUT 1000
#define LINE6_BUFSIZE_LISTEN 64
#define LINE6_MIDI_MESSAGE_MAXLEN 256
ret = usb_control_msg_send(usbdev, 0,
0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x11, 0,
- NULL, 0, LINE6_TIMEOUT * HZ, GFP_KERNEL);
+ NULL, 0, LINE6_TIMEOUT, GFP_KERNEL);
if (ret) {
dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
goto exit;
ret = usb_control_msg_recv(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x11, 0x0,
- init_bytes, 3, LINE6_TIMEOUT * HZ, GFP_KERNEL);
+ init_bytes, 3, LINE6_TIMEOUT, GFP_KERNEL);
if (ret) {
dev_err(pod->line6.ifcdev,
"receive length failed (error %d)\n", ret);
USB_REQ_SET_FEATURE,
USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
1, 0,
- NULL, 0, LINE6_TIMEOUT * HZ, GFP_KERNEL);
+ NULL, 0, LINE6_TIMEOUT, GFP_KERNEL);
exit:
return ret;
}
ret = usb_control_msg_send(usbdev, 0, 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
- cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ,
+ cmd1, cmd2, NULL, 0, LINE6_TIMEOUT,
GFP_KERNEL);
if (ret) {
fmt_playback->bSubframeSize * ua->playback.channels;
epd = &ua->intf[INTF_CAPTURE]->altsetting[1].endpoint[0].desc;
- if (!usb_endpoint_is_isoc_in(epd)) {
+ if (!usb_endpoint_is_isoc_in(epd) || usb_endpoint_maxp(epd) == 0) {
dev_err(&ua->dev->dev, "invalid capture endpoint\n");
return -ENXIO;
}
ua->capture.max_packet_bytes = usb_endpoint_maxp(epd);
epd = &ua->intf[INTF_PLAYBACK]->altsetting[1].endpoint[0].desc;
- if (!usb_endpoint_is_isoc_out(epd)) {
+ if (!usb_endpoint_is_isoc_out(epd) || usb_endpoint_maxp(epd) == 0) {
dev_err(&ua->dev->dev, "invalid playback endpoint\n");
return -ENXIO;
}
memset(buf, 0, sizeof(buf));
- ret = snd_usb_lock_shutdown(chip) ? -EIO : 0;
- if (ret)
- goto error;
+ if (snd_usb_lock_shutdown(chip))
+ return -EIO;
idx = mixer_ctrl_intf(cval->head.mixer) | (cval->head.id << 8);
ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest,
snd_usb_unlock_shutdown(chip);
if (ret < 0) {
-error:
- usb_audio_err(chip,
+ usb_audio_dbg(chip,
"cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
request, validx, idx, cval->val_type);
return ret;
cval->res = 1;
}
break;
+ case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */
+ if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+ usb_audio_info(chip,
+ "set resolution quirk: cval->res = 16\n");
+ cval->res = 16;
+ }
+ break;
}
}
+/* forcibly initialize the current mixer value; if GET_CUR fails, set to
+ * the minimum as default
+ */
+static void init_cur_mix_raw(struct usb_mixer_elem_info *cval, int ch, int idx)
+{
+ int val, err;
+
+ err = snd_usb_get_cur_mix_value(cval, ch, idx, &val);
+ if (!err)
+ return;
+ if (!cval->head.mixer->ignore_ctl_error)
+ usb_audio_warn(cval->head.mixer->chip,
+ "%d:%d: failed to get current value for ch %d (%d)\n",
+ cval->head.id, mixer_ctrl_intf(cval->head.mixer),
+ ch, err);
+ snd_usb_set_cur_mix_value(cval, ch, idx, cval->min);
+}
+
/*
* retrieve the minimum and maximum values for the specified control
*/
static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
int default_min, struct snd_kcontrol *kctl)
{
+ int i, idx;
+
/* for failsafe */
cval->min = default_min;
cval->max = cval->min + 1;
} else {
int minchn = 0;
if (cval->cmask) {
- int i;
for (i = 0; i < MAX_CHANNELS; i++)
if (cval->cmask & (1 << i)) {
minchn = i + 1;
}
}
+ /* initialize all elements */
+ if (!cval->cmask) {
+ init_cur_mix_raw(cval, 0, 0);
+ } else {
+ idx = 0;
+ for (i = 0; i < MAX_CHANNELS; i++) {
+ if (cval->cmask & (1 << i)) {
+ init_cur_mix_raw(cval, i + 1, idx);
+ idx++;
+ }
+ }
+ }
+
return 0;
}
#define SND_DJM_750_IDX 0x1
#define SND_DJM_850_IDX 0x2
#define SND_DJM_900NXS2_IDX 0x3
+#define SND_DJM_750MK2_IDX 0x4
#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
SND_DJM_CTL("Ch5 Input", 900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
};
+// DJM-750MK2
+static const u16 snd_djm_opts_750mk2_cap1[] = {
+ 0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
+static const u16 snd_djm_opts_750mk2_cap2[] = {
+ 0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
+static const u16 snd_djm_opts_750mk2_cap3[] = {
+ 0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
+static const u16 snd_djm_opts_750mk2_cap4[] = {
+ 0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
+static const u16 snd_djm_opts_750mk2_cap5[] = {
+ 0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
+
+static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
+static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
+static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
+
+
+static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {
+ SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
+ SND_DJM_CTL("Ch1 Input", 750mk2_cap1, 2, SND_DJM_WINDEX_CAP),
+ SND_DJM_CTL("Ch2 Input", 750mk2_cap2, 2, SND_DJM_WINDEX_CAP),
+ SND_DJM_CTL("Ch3 Input", 750mk2_cap3, 2, SND_DJM_WINDEX_CAP),
+ SND_DJM_CTL("Ch4 Input", 750mk2_cap4, 2, SND_DJM_WINDEX_CAP),
+ SND_DJM_CTL("Ch5 Input", 750mk2_cap5, 3, SND_DJM_WINDEX_CAP),
+ SND_DJM_CTL("Ch1 Output", 750mk2_pb1, 0, SND_DJM_WINDEX_PB),
+ SND_DJM_CTL("Ch2 Output", 750mk2_pb2, 1, SND_DJM_WINDEX_PB),
+ SND_DJM_CTL("Ch3 Output", 750mk2_pb3, 2, SND_DJM_WINDEX_PB)
+};
+
static const struct snd_djm_device snd_djm_devices[] = {
SND_DJM_DEVICE(250mk2),
SND_DJM_DEVICE(750),
+ SND_DJM_DEVICE(750mk2),
SND_DJM_DEVICE(850),
SND_DJM_DEVICE(900nxs2)
};
case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
break;
+ case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */
+ err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);
+ break;
case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */
err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);
break;
return 0;
}
-static bool stop_endpoints(struct snd_usb_substream *subs)
+static bool stop_endpoints(struct snd_usb_substream *subs, bool keep_pending)
{
bool stopped = 0;
if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) {
- snd_usb_endpoint_stop(subs->sync_endpoint);
+ snd_usb_endpoint_stop(subs->sync_endpoint, keep_pending);
stopped = true;
}
if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) {
- snd_usb_endpoint_stop(subs->data_endpoint);
+ snd_usb_endpoint_stop(subs->data_endpoint, keep_pending);
stopped = true;
}
return stopped;
return 0;
error:
- stop_endpoints(subs);
+ stop_endpoints(subs, false);
return err;
}
if (subs->data_endpoint->need_setup) {
/* stop any running stream beforehand */
- if (stop_endpoints(subs))
+ if (stop_endpoints(subs, false))
sync_pending_stops(subs);
err = snd_usb_endpoint_configure(chip, subs->data_endpoint);
if (err < 0)
subs->cur_audiofmt = NULL;
mutex_unlock(&chip->mutex);
if (!snd_usb_lock_shutdown(chip)) {
- if (stop_endpoints(subs))
+ if (stop_endpoints(subs, false))
sync_pending_stops(subs);
close_endpoints(chip, subs);
snd_usb_unlock_shutdown(chip);
return 0;
}
+/* check whether early start is needed for playback stream */
+static int lowlatency_playback_available(struct snd_pcm_runtime *runtime,
+ struct snd_usb_substream *subs)
+{
+ struct snd_usb_audio *chip = subs->stream->chip;
+
+ if (subs->direction == SNDRV_PCM_STREAM_CAPTURE)
+ return false;
+ /* disabled via module option? */
+ if (!chip->lowlatency)
+ return false;
+ /* free-wheeling mode? (e.g. dmix) */
+ if (runtime->stop_threshold > runtime->buffer_size)
+ return false;
+ /* implicit feedback mode has own operation mode */
+ if (snd_usb_endpoint_implicit_feedback_sink(subs->data_endpoint))
+ return false;
+ return true;
+}
+
/*
* prepare callback
*
subs->period_elapsed_pending = 0;
runtime->delay = 0;
- /* check whether early start is needed for playback stream */
- subs->early_playback_start =
- subs->direction == SNDRV_PCM_STREAM_PLAYBACK &&
- (!chip->lowlatency ||
- (subs->data_endpoint->nominal_queue_size >= subs->buffer_bytes));
-
- if (subs->early_playback_start)
+ subs->lowlatency_playback = lowlatency_playback_available(runtime, subs);
+ if (!subs->lowlatency_playback)
ret = start_endpoints(subs);
unlock:
struct snd_pcm_hw_rule *rule)
{
struct snd_usb_substream *subs = rule->private;
+ struct snd_usb_audio *chip = subs->stream->chip;
const struct audioformat *fp;
struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
unsigned int rmin, rmax, r;
list_for_each_entry(fp, &subs->fmt_list, list) {
if (!hw_check_valid_format(subs, params, fp))
continue;
+ r = snd_usb_endpoint_get_clock_rate(chip, fp->clock);
+ if (r > 0) {
+ if (!snd_interval_test(it, r))
+ continue;
+ rmin = min(rmin, r);
+ rmax = max(rmax, r);
+ continue;
+ }
if (fp->rate_table && fp->nr_rates) {
for (i = 0; i < fp->nr_rates; i++) {
r = fp->rate_table[i];
if (err < 0)
return err;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (fp->implicit_fb) {
+ runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX;
+ break;
+ }
+ }
+
return 0;
}
int ret;
runtime->hw = snd_usb_hardware;
+ /* need an explicit sync to catch applptr update in low-latency mode */
+ if (direction == SNDRV_PCM_STREAM_PLAYBACK &&
+ as->chip->lowlatency)
+ runtime->hw.info |= SNDRV_PCM_INFO_SYNC_APPLPTR;
runtime->private_data = subs;
subs->pcm_substream = substream;
/* runtime PM is also done there */
return bytes;
}
-static void prepare_playback_urb(struct snd_usb_substream *subs,
- struct urb *urb)
+static int prepare_playback_urb(struct snd_usb_substream *subs,
+ struct urb *urb,
+ bool in_stream_lock)
{
struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
struct snd_usb_endpoint *ep = subs->data_endpoint;
struct snd_urb_ctx *ctx = urb->context;
- unsigned int counts, frames, bytes;
+ unsigned int frames, bytes;
+ int counts;
+ unsigned int transfer_done, frame_limit, avail = 0;
int i, stride, period_elapsed = 0;
unsigned long flags;
+ int err = 0;
stride = ep->stride;
frames = 0;
ctx->queued = 0;
urb->number_of_packets = 0;
+
spin_lock_irqsave(&subs->lock, flags);
- subs->frame_limit += ep->max_urb_frames;
+ frame_limit = subs->frame_limit + ep->max_urb_frames;
+ transfer_done = subs->transfer_done;
+
+ if (subs->lowlatency_playback &&
+ runtime->status->state != SNDRV_PCM_STATE_DRAINING) {
+ unsigned int hwptr = subs->hwptr_done / stride;
+
+ /* calculate the byte offset-in-buffer of the appl_ptr */
+ avail = (runtime->control->appl_ptr - runtime->hw_ptr_base)
+ % runtime->buffer_size;
+ if (avail <= hwptr)
+ avail += runtime->buffer_size;
+ avail -= hwptr;
+ }
+
for (i = 0; i < ctx->packets; i++) {
- counts = snd_usb_endpoint_next_packet_size(ep, ctx, i);
+ counts = snd_usb_endpoint_next_packet_size(ep, ctx, i, avail);
+ if (counts < 0)
+ break;
/* set up descriptor */
urb->iso_frame_desc[i].offset = frames * stride;
urb->iso_frame_desc[i].length = counts * stride;
frames += counts;
+ avail -= counts;
urb->number_of_packets++;
- subs->transfer_done += counts;
- if (subs->transfer_done >= runtime->period_size) {
- subs->transfer_done -= runtime->period_size;
- subs->frame_limit = 0;
+ transfer_done += counts;
+ if (transfer_done >= runtime->period_size) {
+ transfer_done -= runtime->period_size;
+ frame_limit = 0;
period_elapsed = 1;
if (subs->fmt_type == UAC_FORMAT_TYPE_II) {
- if (subs->transfer_done > 0) {
+ if (transfer_done > 0) {
/* FIXME: fill-max mode is not
* supported yet */
- frames -= subs->transfer_done;
- counts -= subs->transfer_done;
+ frames -= transfer_done;
+ counts -= transfer_done;
urb->iso_frame_desc[i].length =
counts * stride;
- subs->transfer_done = 0;
+ transfer_done = 0;
}
i++;
if (i < ctx->packets) {
}
}
/* finish at the period boundary or after enough frames */
- if ((period_elapsed ||
- subs->transfer_done >= subs->frame_limit) &&
+ if ((period_elapsed || transfer_done >= frame_limit) &&
!snd_usb_endpoint_implicit_feedback_sink(ep))
break;
}
- bytes = frames * stride;
+ if (!frames) {
+ err = -EAGAIN;
+ goto unlock;
+ }
+
+ bytes = frames * stride;
+ subs->transfer_done = transfer_done;
+ subs->frame_limit = frame_limit;
if (unlikely(ep->cur_format == SNDRV_PCM_FORMAT_DSD_U16_LE &&
subs->cur_audiofmt->dsd_dop)) {
fill_playback_urb_dsd_dop(subs, urb, bytes);
subs->trigger_tstamp_pending_update = false;
}
- if (period_elapsed && !subs->running && !subs->early_playback_start) {
+ if (period_elapsed && !subs->running && subs->lowlatency_playback) {
subs->period_elapsed_pending = 1;
period_elapsed = 0;
}
+
+ unlock:
spin_unlock_irqrestore(&subs->lock, flags);
+ if (err < 0)
+ return err;
urb->transfer_buffer_length = bytes;
- if (period_elapsed)
- snd_pcm_period_elapsed(subs->pcm_substream);
+ if (period_elapsed) {
+ if (in_stream_lock)
+ snd_pcm_period_elapsed_under_stream_lock(subs->pcm_substream);
+ else
+ snd_pcm_period_elapsed(subs->pcm_substream);
+ }
+ return 0;
}
/*
snd_pcm_period_elapsed(subs->pcm_substream);
}
+/* PCM ack callback for the playback stream;
+ * this plays a role only when the stream is running in low-latency mode.
+ */
+static int snd_usb_pcm_playback_ack(struct snd_pcm_substream *substream)
+{
+ struct snd_usb_substream *subs = substream->runtime->private_data;
+ struct snd_usb_endpoint *ep;
+
+ if (!subs->lowlatency_playback || !subs->running)
+ return 0;
+ ep = subs->data_endpoint;
+ if (!ep)
+ return 0;
+ /* When no more in-flight URBs available, try to process the pending
+ * outputs here
+ */
+ if (!ep->active_mask)
+ snd_usb_queue_pending_output_urbs(ep, true);
+ return 0;
+}
+
static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
prepare_playback_urb,
retire_playback_urb,
subs);
- if (!subs->early_playback_start &&
+ if (subs->lowlatency_playback &&
cmd == SNDRV_PCM_TRIGGER_START) {
err = start_endpoints(subs);
if (err < 0) {
return 0;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
- stop_endpoints(subs);
+ stop_endpoints(subs, substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING);
snd_usb_endpoint_set_callback(subs->data_endpoint,
NULL, NULL, NULL);
subs->running = 0;
return 0;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
- stop_endpoints(subs);
+ stop_endpoints(subs, false);
fallthrough;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
snd_usb_endpoint_set_callback(subs->data_endpoint,
.trigger = snd_usb_substream_playback_trigger,
.sync_stop = snd_usb_pcm_sync_stop,
.pointer = snd_usb_pcm_pointer,
+ .ack = snd_usb_pcm_playback_ack,
};
static const struct snd_pcm_ops snd_usb_capture_ops = {
},
{
/*
+ * Pioneer DJ DJM-750MK2
+ * 10 channels playback & 12 channels capture @ 48kHz S24LE
+ */
+ USB_DEVICE_VENDOR_SPEC(0x2b73, 0x001b),
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .ifnum = QUIRK_ANY_INTERFACE,
+ .type = QUIRK_COMPOSITE,
+ .data = (const struct snd_usb_audio_quirk[]) {
+ {
+ .ifnum = 0,
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+ .data = &(const struct audioformat) {
+ .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+ .channels = 10,
+ .iface = 0,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .endpoint = 0x01,
+ .ep_attr = USB_ENDPOINT_XFER_ISOC|
+ USB_ENDPOINT_SYNC_ASYNC,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .nr_rates = 1,
+ .rate_table = (unsigned int[]) {
+ 48000
+ }
+ }
+ },
+ {
+ .ifnum = 0,
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+ .data = &(const struct audioformat) {
+ .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+ .channels = 12,
+ .iface = 0,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .endpoint = 0x82,
+ .ep_idx = 1,
+ .ep_attr = USB_ENDPOINT_XFER_ISOC|
+ USB_ENDPOINT_SYNC_ASYNC|
+ USB_ENDPOINT_USAGE_IMPLICIT_FB,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ .nr_rates = 1,
+ .rate_table = (unsigned int[]) { 48000 }
+ }
+ },
+ {
+ .ifnum = -1
+ }
+ }
+ }
+},
+{
+ /*
* Pioneer DJ DJM-850
* 8 channels playback and 8 channels capture @ 44.1/48/96kHz S24LE
* Playback on EP 0x05
}
}
},
+{
+ /*
+ * Sennheiser GSP670
+ * Change order of interfaces loaded
+ */
+ USB_DEVICE(0x1395, 0x0300),
+ .bInterfaceClass = USB_CLASS_PER_INTERFACE,
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .ifnum = QUIRK_ANY_INTERFACE,
+ .type = QUIRK_COMPOSITE,
+ .data = &(const struct snd_usb_audio_quirk[]) {
+ // Communication
+ {
+ .ifnum = 3,
+ .type = QUIRK_AUDIO_STANDARD_INTERFACE
+ },
+ // Recording
+ {
+ .ifnum = 4,
+ .type = QUIRK_AUDIO_STANDARD_INTERFACE
+ },
+ // Main
+ {
+ .ifnum = 1,
+ .type = QUIRK_AUDIO_STANDARD_INTERFACE
+ },
+ {
+ .ifnum = -1
+ }
+ }
+ }
+},
#undef USB_DEVICE_VENDOR_SPEC
#undef USB_AUDIO_DEVICE
*/
fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
break;
+ case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */
+ /* mic works only when ep packet size is set to wMaxPacketSize */
+ fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX;
+ break;
+
}
}
REG_QUIRK_ENTRY(0x0951, 0x16ea, 2), /* Kingston HyperX Cloud Flight S */
REG_QUIRK_ENTRY(0x0ecb, 0x1f46, 2), /* JBL Quantum 600 */
REG_QUIRK_ENTRY(0x0ecb, 0x1f47, 2), /* JBL Quantum 800 */
+ REG_QUIRK_ENTRY(0x0ecb, 0x1f4c, 2), /* JBL Quantum 400 */
REG_QUIRK_ENTRY(0x0ecb, 0x2039, 2), /* JBL Quantum 400 */
REG_QUIRK_ENTRY(0x0ecb, 0x203c, 2), /* JBL Quantum 600 */
REG_QUIRK_ENTRY(0x0ecb, 0x203e, 2), /* JBL Quantum 800 */
QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
QUIRK_FLAG_GET_SAMPLE_RATE),
+ DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
+ QUIRK_FLAG_IGNORE_CTL_ERROR),
DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */
QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */
QUIRK_FLAG_ALIGN_TRANSFER),
+ DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */
+ QUIRK_FLAG_GET_SAMPLE_RATE),
/* Vendor matches */
VENDOR_FLG(0x045e, /* MS Lifecam */
static int usx2y_rate_set(struct usx2ydev *usx2y, int rate)
{
- int err = 0, i;
- struct snd_usx2y_urb_seq *us = NULL;
- int *usbdata = NULL;
- const struct s_c2 *ra = rate == 48000 ? setrate_48000 : setrate_44100;
+ int err = 0, i;
+ struct snd_usx2y_urb_seq *us = NULL;
+ int *usbdata = NULL;
+ const struct s_c2 *ra = rate == 48000 ? setrate_48000 : setrate_44100;
struct urb *urb;
if (usx2y->rate != rate) {
- us = kzalloc(sizeof(*us) + sizeof(struct urb *) * NOOF_SETRATE_URBS, GFP_KERNEL);
+ us = kzalloc(struct_size(us, urb, NOOF_SETRATE_URBS),
+ GFP_KERNEL);
if (!us) {
err = -ENOMEM;
goto cleanup;
struct virtio_snd_pcm_xfer xfer;
struct virtio_snd_pcm_status status;
size_t length;
- struct scatterlist sgs[0];
+ struct scatterlist sgs[];
};
/**
int sg_num = virtsnd_pcm_sg_num(data, period_bytes);
struct virtio_pcm_msg *msg;
- msg = kzalloc(sizeof(*msg) + sizeof(*msg->sgs) * (sg_num + 2),
- GFP_KERNEL);
+ msg = kzalloc(struct_size(msg, sgs, sg_num + 2), GFP_KERNEL);
if (!msg)
return -ENOMEM;
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