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-rw-r--r--drivers/usb/gadget/function/u_uac2.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h
new file mode 100644
index 000000000..0510c9bad
--- /dev/null
+++ b/drivers/usb/gadget/function/u_uac2.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * u_uac2.h
+ *
+ * Utility definitions for UAC2 function
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
+ */
+
+#ifndef U_UAC2_H
+#define U_UAC2_H
+
+#include <linux/usb/composite.h>
+#include "uac_common.h"
+
+#define UAC2_DEF_PCHMASK 0x3
+#define UAC2_DEF_PSRATE 48000
+#define UAC2_DEF_PSSIZE 2
+#define UAC2_DEF_PHSBINT 0
+#define UAC2_DEF_CCHMASK 0x3
+#define UAC2_DEF_CSRATE 64000
+#define UAC2_DEF_CSSIZE 2
+#define UAC2_DEF_CHSBINT 0
+#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC
+
+#define UAC2_DEF_MUTE_PRESENT 1
+#define UAC2_DEF_VOLUME_PRESENT 1
+#define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */
+#define UAC2_DEF_MAX_DB 0 /* 0 dB */
+#define UAC2_DEF_RES_DB (1*256) /* 1 dB */
+
+#define UAC2_DEF_REQ_NUM 2
+#define UAC2_DEF_INT_REQ_NUM 10
+
+struct f_uac2_opts {
+ struct usb_function_instance func_inst;
+ int p_chmask;
+ int p_srates[UAC_MAX_RATES];
+ int p_ssize;
+ u8 p_hs_bint;
+ int c_chmask;
+ int c_srates[UAC_MAX_RATES];
+ int c_ssize;
+ int c_sync;
+ u8 c_hs_bint;
+
+ bool p_mute_present;
+ bool p_volume_present;
+ s16 p_volume_min;
+ s16 p_volume_max;
+ s16 p_volume_res;
+
+ bool c_mute_present;
+ bool c_volume_present;
+ s16 c_volume_min;
+ s16 c_volume_max;
+ s16 c_volume_res;
+
+ int req_number;
+ int fb_max;
+ bool bound;
+
+ char function_name[32];
+
+ struct mutex lock;
+ int refcnt;
+};
+
+#endif