mirror of https://github.com/OpenIPC/firmware.git
107 lines
2.7 KiB
Diff
107 lines
2.7 KiB
Diff
--- linux-4.9.37/drivers/usb/gadget/function/u_uac1.h 2017-07-12 16:42:41.000000000 +0300
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+++ linux-4.9.y/drivers/usb/gadget/function/u_uac1.h 2021-06-07 13:01:34.000000000 +0300
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@@ -1,82 +1,38 @@
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+// SPDX-License-Identifier: GPL-2.0
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/*
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- * u_uac1.h -- interface to USB gadget "ALSA AUDIO" utilities
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+ * u_uac1.h - Utility definitions for UAC1 function
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*
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- * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org>
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- * Copyright (C) 2008 Analog Devices, Inc
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- *
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- * Enter bugs at http://blackfin.uclinux.org/
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- *
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- * Licensed under the GPL-2 or later.
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+ * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
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*/
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-#ifndef __U_AUDIO_H
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-#define __U_AUDIO_H
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+#ifndef __U_UAC1_H
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+#define __U_UAC1_H
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-#include <linux/device.h>
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-#include <linux/err.h>
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-#include <linux/usb/audio.h>
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#include <linux/usb/composite.h>
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-#include <sound/core.h>
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-#include <sound/pcm.h>
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-#include <sound/pcm_params.h>
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-
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-#define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p"
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-#define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c"
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-#define FILE_CONTROL "/dev/snd/controlC0"
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-
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#define UAC1_OUT_EP_MAX_PACKET_SIZE 200
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-#define UAC1_REQ_COUNT 256
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-#define UAC1_AUDIO_BUF_SIZE 48000
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+#define UAC1_DEF_CCHMASK 0x3
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+#define UAC1_DEF_CSRATE 48000
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+#define UAC1_DEF_CSSIZE 2
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+#define UAC1_DEF_PCHMASK 0x3
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+#define UAC1_DEF_PSRATE 48000
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+#define UAC1_DEF_PSSIZE 2
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+#define UAC1_DEF_REQ_NUM 2
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-/*
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- * This represents the USB side of an audio card device, managed by a USB
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- * function which provides control and stream interfaces.
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- */
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-
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-struct gaudio_snd_dev {
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- struct gaudio *card;
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- struct file *filp;
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- struct snd_pcm_substream *substream;
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- int access;
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- int format;
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- int channels;
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- int rate;
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-};
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-
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-struct gaudio {
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- struct usb_function func;
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- struct usb_gadget *gadget;
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-
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- /* ALSA sound device interfaces */
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- struct gaudio_snd_dev control;
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- struct gaudio_snd_dev playback;
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- struct gaudio_snd_dev capture;
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-
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- /* TODO */
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-};
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struct f_uac1_opts {
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struct usb_function_instance func_inst;
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- int req_buf_size;
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- int req_count;
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- int audio_buf_size;
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- char *fn_play;
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- char *fn_cap;
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- char *fn_cntl;
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+ int c_chmask;
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+ int c_srate;
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+ int c_ssize;
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+ int p_chmask;
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+ int p_srate;
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+ int p_ssize;
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+ int req_number;
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unsigned bound:1;
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- unsigned fn_play_alloc:1;
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- unsigned fn_cap_alloc:1;
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- unsigned fn_cntl_alloc:1;
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+
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struct mutex lock;
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int refcnt;
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};
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-int gaudio_setup(struct gaudio *card);
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-void gaudio_cleanup(struct gaudio *the_card);
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-
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-size_t u_audio_playback(struct gaudio *card, void *buf, size_t count);
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-int u_audio_get_playback_channels(struct gaudio *card);
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-int u_audio_get_playback_rate(struct gaudio *card);
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-
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-#endif /* __U_AUDIO_H */
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+#endif /* __U_UAC1_H */
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