From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/usb/card.h | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/kernel/sound/usb/card.h b/kernel/sound/usb/card.h
index c773ad3..3683f10 100644
--- a/kernel/sound/usb/card.h
+++ b/kernel/sound/usb/card.h
@@ -16,6 +16,7 @@
u64 formats; /* ALSA format bits */
unsigned int channels; /* # channels */
unsigned int fmt_type; /* USB audio format type (1-3) */
+ unsigned int fmt_bits; /* number of significant bits */
unsigned int frame_size; /* samples per frame for non-audio */
int iface; /* interface number */
unsigned char altsetting; /* corresponding alternate setting */
@@ -85,6 +86,10 @@
dma_addr_t sync_dma; /* DMA address of syncbuf */
unsigned int pipe; /* the data i/o pipe */
+ unsigned int packsize[2]; /* small/large packet sizes in samples */
+ unsigned int sample_rem; /* remainder from division fs/pps */
+ unsigned int sample_accum; /* sample accumulator */
+ unsigned int pps; /* packets per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
@@ -105,6 +110,7 @@
int iface, altsetting;
int skip_packets; /* quirks for devices to ignore the first n packets
in a stream */
+ bool is_implicit_feedback; /* This endpoint is used as implicit feedback */
spinlock_t lock;
struct list_head list;
@@ -114,6 +120,8 @@
ANDROID_KABI_RESERVE(3);
ANDROID_KABI_RESERVE(4);
};
+
+struct media_ctl;
struct snd_usb_substream {
struct snd_usb_stream *stream;
@@ -136,6 +144,7 @@
unsigned int tx_length_quirk:1; /* add length specifier to transfers */
unsigned int fmt_type; /* USB audio format type (1-3) */
unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */
+ unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */
unsigned int running: 1; /* running status */
@@ -168,6 +177,9 @@
} dsd_dop;
bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
+ struct media_ctl *media_ctl;
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_usb_stream {
@@ -183,4 +195,21 @@
unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
**uchip, void (*disconnect_cb)(struct snd_usb_audio *chip));
+int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *vendor_ops);
+struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void);
+int snd_vendor_set_interface(struct usb_device *udev,
+ struct usb_host_interface *alts,
+ int iface, int alt);
+int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
+ int alt);
+int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface);
+int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
+ int direction);
+int snd_vendor_set_pcm_connection(struct usb_device *udev,
+ enum snd_vendor_pcm_open_close onoff,
+ int direction);
+int snd_vendor_set_pcm_binterval(struct audioformat *fp,
+ struct audioformat *found,
+ int *cur_attr, int *attr);
+
#endif /* __USBAUDIO_CARD_H */
--
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