forked from ~ljy/RK356X_SDK_RELEASE
blame | history | patch | commit | commitdiff
hc
2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/usb/usbaudio.h
....@@ -1,41 +1,35 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 #ifndef __USBAUDIO_H
23 #define __USBAUDIO_H
34 /*
45  *   (Tentative) USB Audio Driver for ALSA
56  *
67  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7
- *
8
- *
9
- *   This program is free software; you can redistribute it and/or modify
10
- *   it under the terms of the GNU General Public License as published by
11
- *   the Free Software Foundation; either version 2 of the License, or
12
- *   (at your option) any later version.
13
- *
14
- *   This program is distributed in the hope that it will be useful,
15
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
- *   GNU General Public License for more details.
18
- *
19
- *   You should have received a copy of the GNU General Public License
20
- *   along with this program; if not, write to the Free Software
21
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
228  */
239 
2410 /* handling of USB vendor/product ID pairs as 32-bit numbers */
25
-#define USB_ID(vendor, product) (((vendor) << 16) | (product))
11
+#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product))
2612 #define USB_ID_VENDOR(id) ((id) >> 16)
2713 #define USB_ID_PRODUCT(id) ((u16)(id))
14
+
15
+#include <linux/android_kabi.h>
2816 
2917 /*
3018  *
3119  */
3220 
21
+struct media_device;
22
+struct media_intf_devnode;
23
+
24
+#define MAX_CARD_INTERFACES	16
25
+
3326 struct snd_usb_audio {
3427 	int index;
3528 	struct usb_device *dev;
3629 	struct snd_card *card;
37
-	struct usb_interface *pm_intf;
30
+	struct usb_interface *intf[MAX_CARD_INTERFACES];
3831 	u32 usb_id;
32
+	uint16_t quirk_type;
3933 	struct mutex mutex;
4034 	unsigned int system_suspend;
4135 	atomic_t active;
....@@ -45,6 +39,7 @@
4539 	unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
4640 	unsigned int tx_length_quirk:1; /* Put length specifier in transfers */
4741 	unsigned int setup_fmt_after_resume_quirk:1; /* setup the format to interface after resume */
42
+	unsigned int need_delayed_register:1; /* warn for delayed registration */
4843 	int num_interfaces;
4944 	int num_suspended_intf;
5045 	int sample_rate_read_error;
....@@ -66,9 +61,16 @@
6661 					 */
6762 
6863 	struct usb_host_interface *ctrl_intf;	/* the audio control interface */
64
+	struct media_device *media_dev;
65
+	struct media_intf_devnode *ctl_intf_media_devnode;
6966 	struct mutex dev_lock;  /* to protect any race with disconnect */
7067 	int card_num;	/* cache pcm card number to use upon disconnect */
71
-	void (*disconnect_cb)(struct snd_usb_audio *chip); /* callback to cleanup on disconnect */
68
+	void (*disconnect_cb)(struct snd_usb_audio *chip);
69
+
70
+	ANDROID_KABI_RESERVE(1);
71
+	ANDROID_KABI_RESERVE(2);
72
+	ANDROID_KABI_RESERVE(3);
73
+	ANDROID_KABI_RESERVE(4);
7274 };
7375 
7476 #define USB_AUDIO_IFACE_UNUSED	((void *)-1L)
....@@ -113,6 +115,7 @@
113115 	QUIRK_AUDIO_ALIGN_TRANSFER,
114116 	QUIRK_AUDIO_STANDARD_MIXER,
115117 	QUIRK_SETUP_FMT_AFTER_RESUME,
118
+	QUIRK_SETUP_DISABLE_AUTOSUSPEND,
116119 
117120 	QUIRK_TYPE_COUNT
118121 };
....@@ -120,9 +123,9 @@
120123 struct snd_usb_audio_quirk {
121124 	const char *vendor_name;
122125 	const char *product_name;
123
-	const char *profile_name;	/* override the card->longname */
124126 	int16_t ifnum;
125127 	uint16_t type;
128
+	bool shares_media_device;
126129 	const void *data;
127130 };
128131 
....@@ -134,5 +137,55 @@
134137 void snd_usb_unlock_shutdown(struct snd_usb_audio *chip);
135138 
136139 extern bool snd_usb_use_vmalloc;
140
+extern bool snd_usb_skip_validation;
141
+
142
+struct audioformat;
143
+
144
+enum snd_vendor_pcm_open_close {
145
+	SOUND_PCM_CLOSE = 0,
146
+	SOUND_PCM_OPEN,
147
+};
148
+
149
+/**
150
+ * struct snd_usb_audio_vendor_ops - function callbacks for USB audio accelerators
151
+ * @connect: called when a new interface is found
152
+ * @disconnect: called when an interface is removed
153
+ * @set_interface: called when an interface is initialized
154
+ * @set_rate: called when the rate is set
155
+ * @set_pcm_buf: called when the pcm buffer is set
156
+ * @set_pcm_intf: called when the pcm interface is set
157
+ * @set_pcm_connection: called when pcm is opened/closed
158
+ * @set_pcm_binterval: called when the pcm binterval is set
159
+ * @usb_add_ctls: called when USB controls are added
160
+ *
161
+ * Set of callbacks for some accelerated USB audio streaming hardware.
162
+ *
163
+ * TODO: make this USB host-controller specific, right now this only works for
164
+ * one USB controller in the system at a time, which is only realistic for
165
+ * self-contained systems like phones.
166
+ */
167
+struct snd_usb_audio_vendor_ops {
168
+	int (*connect)(struct usb_interface *intf);
169
+	void (*disconnect)(struct usb_interface *intf);
170
+
171
+	int (*set_interface)(struct usb_device *udev,
172
+			     struct usb_host_interface *alts,
173
+			     int iface, int alt);
174
+	int (*set_rate)(struct usb_interface *intf, int iface, int rate,
175
+			int alt);
176
+	int (*set_pcm_buf)(struct usb_device *udev, int iface);
177
+	int (*set_pcm_intf)(struct usb_interface *intf, int iface, int alt,
178
+			    int direction);
179
+	int (*set_pcm_connection)(struct usb_device *udev,
180
+				  enum snd_vendor_pcm_open_close onoff,
181
+				  int direction);
182
+	int (*set_pcm_binterval)(struct audioformat *fp,
183
+				 struct audioformat *found,
184
+				 int *cur_attr, int *attr);
185
+	int (*usb_add_ctls)(struct snd_usb_audio *chip);
186
+
187
+	ANDROID_KABI_RESERVE(1);
188
+	ANDROID_KABI_RESERVE(2);
189
+};
137190 
138191 #endif /* __USBAUDIO_H */