Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * usbusy2y.c - ALSA USB US-428 Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 2005-04-14 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 	Version 0.8.7.2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 	Call snd_card_free() instead of snd_card_free_in_thread() to prevent oops with dead keyboard symptom.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 	Tested ok with kernel 2.6.12-rc2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 2004-12-14 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 	Version 0.8.7.1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	snd_pcm_open for rawusb pcm-devices now returns -EBUSY if called without rawusb's hwdep device being open.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 2004-12-02 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 	Version 0.8.7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	Use macro usb_maxpacket() for portability.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 2004-10-26 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	Version 0.8.6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	wake_up() process waiting in usx2y_urbs_start() on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 2004-10-21 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	Version 0.8.5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	nrpacks is runtime or compiletime configurable now with tested values from 1 to 4.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 2004-10-03 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	Version 0.8.2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	Avoid any possible racing while in prepare callback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 2004-09-30 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	Version 0.8.0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	Simplified things and made ohci work again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 2004-09-20 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	Version 0.7.3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	Use usb_kill_urb() instead of deprecated (kernel 2.6.9) usb_unlink_urb().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 2004-07-13 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	Version 0.7.1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	Don't sleep in START/STOP callbacks anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	us428 channels C/D not handled just for this version, sorry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 2004-06-21 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	Version 0.6.4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	Temporarely suspend midi input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	to sanely call usb_set_interface() when setting format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 2004-06-12 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	Version 0.6.3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	Made it thus the following rule is enforced:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	"All pcm substreams of one usx2y have to operate at the same rate & format."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 2004-04-06 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	Version 0.6.0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	Runs on 2.6.5 kernel without any "--with-debug=" things.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	us224 reported running.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 2004-01-14 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	Version 0.5.1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	Runs with 2.6.1 kernel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 2003-12-30 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	Version 0.4.1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	Fix 24Bit 4Channel capturing for the us428.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 2003-11-27 Karsten Wiese, Martin Langer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	Version 0.4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	us122 support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	us224 could be tested by uncommenting the sections containing USB_ID_US224
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 2003-11-03 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	Version 0.3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	24Bit support. 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	"arecord -D hw:1 -c 2 -r 48000 -M -f S24_3LE|aplay -D hw:1 -c 2 -r 48000 -M -f S24_3LE" works.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 2003-08-22 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	Version 0.0.8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	Removed EZUSB Firmware. First Stage Firmwaredownload is now done by tascam-firmware downloader.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	See:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	http://usb-midi-fw.sourceforge.net/tascam-firmware.tar.gz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 2003-06-18 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	Version 0.0.5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	changed to compile with kernel 2.4.21 and alsa 0.9.4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 2002-10-16 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	Version 0.0.4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	compiles again with alsa-current.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	USB_ISO_ASAP not used anymore (most of the time), instead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	urb->start_frame is calculated here now, some calls inside usb-driver don't need to happen anymore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	To get the best out of this:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	Disable APM-support in the kernel as APM-BIOS calls (once each second) hard disable interrupt for many precious milliseconds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	This helped me much on my slowish PII 400 & PIII 500.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	ACPI yet untested but might cause the same bad behaviour.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	Use a kernel with lowlatency and preemptiv patches applied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	To autoload snd-usb-midi append a line 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		post-install snd-usb-us428 modprobe snd-usb-midi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	to /etc/modules.conf.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	known problems:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	sliders, knobs, lights not yet handled except MASTER Volume slider.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)        	"pcm -c 2" doesn't work. "pcm -c 2 -m direct_interleaved" does.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	KDE3: "Enable full duplex operation" deadlocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 2002-08-31 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	Version 0.0.3: audio also simplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	simplifying: iso urbs only 1 packet, melted structs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	ASYNC_UNLINK not used anymore: no more crashes so far.....
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	for alsa 0.9 rc3.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 2002-08-09 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	Version 0.0.2: midi works with snd-usb-midi, audio (only fullduplex now) with i.e. bristol.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	The firmware has been sniffed from win2k us-428 driver 3.09.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)  *   Copyright (c) 2002 - 2004 Karsten Wiese
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #include <sound/initval.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #include <sound/rawmidi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #include "usx2y.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #include "usbusx2y.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #include "usX2Yhwdep.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) MODULE_AUTHOR("Karsten Wiese <annabellesgarden@yahoo.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.8.7.2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) MODULE_SUPPORTED_DEVICE("{{TASCAM(0x1604),"NAME_ALLCAPS"(0x8001)(0x8005)(0x8007)}}");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) module_param_array(index, int, NULL, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) module_param_array(id, charp, NULL, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) module_param_array(enable, bool, NULL, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static int snd_usx2y_card_used[SNDRV_CARDS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static void usx2y_usb_disconnect(struct usb_device* usb_device, void* ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static void snd_usx2y_card_private_free(struct snd_card *card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)  * pipe 4 is used for switching the lamps, setting samplerate, volumes ....   
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static void i_usx2y_out04_int(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) #ifdef CONFIG_SND_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	if (urb->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		int 		i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		struct usx2ydev *usx2y = urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		for (i = 0; i < 10 && usx2y->as04.urb[i] != urb; i++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		snd_printdd("i_usx2y_out04_int() urb %i status=%i\n", i, urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static void i_usx2y_in04_int(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	int			err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct usx2ydev		*usx2y = urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	struct us428ctls_sharedmem	*us428ctls = usx2y->us428ctls_sharedmem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	usx2y->in04_int_calls++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	if (urb->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	//	printk("%i:0x%02X ", 8, (int)((unsigned char*)usx2y->in04_buf)[8]); Master volume shows 0 here if fader is at max during boot ?!?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (us428ctls) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		int diff = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		if (-2 == us428ctls->ctl_snapshot_last) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 			diff = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 			us428ctls->ctl_snapshot_last = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 			for (i = 0; i < 21; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				if (usx2y->in04_last[i] != ((char*)usx2y->in04_buf)[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 					if (diff < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 						diff = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 					usx2y->in04_last[i] = ((char*)usx2y->in04_buf)[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		if (0 <= diff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 			int n = us428ctls->ctl_snapshot_last + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			if (n >= N_US428_CTL_BUFS  ||  n < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 				n = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			memcpy(us428ctls->ctl_snapshot + n, usx2y->in04_buf, sizeof(us428ctls->ctl_snapshot[0]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			us428ctls->ctl_snapshot_differs_at[n] = diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			us428ctls->ctl_snapshot_last = n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 			wake_up(&usx2y->us428ctls_wait_queue_head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	if (usx2y->us04) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		if (0 == usx2y->us04->submitted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 				err = usb_submit_urb(usx2y->us04->urb[usx2y->us04->submitted++], GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			} while (!err && usx2y->us04->submitted < usx2y->us04->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		if (us428ctls && us428ctls->p4out_last >= 0 && us428ctls->p4out_last < N_US428_P4OUT_BUFS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			if (us428ctls->p4out_last != us428ctls->p4out_sent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 				int j, send = us428ctls->p4out_sent + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 				if (send >= N_US428_P4OUT_BUFS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 					send = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 				for (j = 0; j < URBS_ASYNC_SEQ  &&  !err; ++j)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 					if (0 == usx2y->as04.urb[j]->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 						struct us428_p4out *p4out = us428ctls->p4out + send;	// FIXME if more than 1 p4out is new, 1 gets lost.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 						usb_fill_bulk_urb(usx2y->as04.urb[j], usx2y->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 								  usb_sndbulkpipe(usx2y->dev, 0x04), &p4out->val.vol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 								  p4out->type == ELT_LIGHT ? sizeof(struct us428_lights) : 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 								  i_usx2y_out04_int, usx2y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 						err = usb_submit_urb(usx2y->as04.urb[j], GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 						us428ctls->p4out_sent = send;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 						break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 					}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		snd_printk(KERN_ERR "in04_int() usb_submit_urb err=%i\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	urb->dev = usx2y->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	usb_submit_urb(urb, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)  * Prepare some urbs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) int usx2y_async_seq04_init(struct usx2ydev *usx2y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	int	err = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	usx2y->as04.buffer = kmalloc_array(URBS_ASYNC_SEQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 					   URB_DATA_LEN_ASYNC_SEQ, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	if (NULL == usx2y->as04.buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			if (NULL == (usx2y->as04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 				err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			usb_fill_bulk_urb(	usx2y->as04.urb[i], usx2y->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 						usb_sndbulkpipe(usx2y->dev, 0x04),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 						usx2y->as04.buffer + URB_DATA_LEN_ASYNC_SEQ*i, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 						i_usx2y_out04_int, usx2y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 				);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			err = usb_urb_ep_type_check(usx2y->as04.urb[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 			if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) int usx2y_in04_init(struct usx2ydev *usx2y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	if (! (usx2y->in04_urb = usb_alloc_urb(0, GFP_KERNEL)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	if (! (usx2y->in04_buf = kmalloc(21, GFP_KERNEL)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	init_waitqueue_head(&usx2y->in04_wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	usb_fill_int_urb(usx2y->in04_urb, usx2y->dev, usb_rcvintpipe(usx2y->dev, 0x4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 			 usx2y->in04_buf, 21,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 			 i_usx2y_in04_int, usx2y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 			 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	if (usb_urb_ep_type_check(usx2y->in04_urb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	return usb_submit_urb(usx2y->in04_urb, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) static void usx2y_unlinkseq(struct snd_usx2y_async_seq *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	int	i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		usb_kill_urb(s->urb[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		usb_free_urb(s->urb[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		s->urb[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	kfree(s->buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) static const struct usb_device_id snd_usx2y_usb_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		.idVendor =	0x1604,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		.idProduct =	USB_ID_US428 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		.idVendor =	0x1604,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 		.idProduct =	USB_ID_US122 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)  	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		.idVendor =	0x1604,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		.idProduct =	USB_ID_US224
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	{ /* terminator */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) static int usx2y_create_card(struct usb_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 			     struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 			     struct snd_card **cardp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	int		dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	struct snd_card *	card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	for (dev = 0; dev < SNDRV_CARDS; ++dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 		if (enable[dev] && !snd_usx2y_card_used[dev])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	if (dev >= SNDRV_CARDS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 			   sizeof(struct usx2ydev), &card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	snd_usx2y_card_used[usx2y(card)->card_index = dev] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	card->private_free = snd_usx2y_card_private_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	usx2y(card)->dev = device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	init_waitqueue_head(&usx2y(card)->prepare_wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	mutex_init(&usx2y(card)->pcm_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	INIT_LIST_HEAD(&usx2y(card)->midi_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	strcpy(card->driver, "USB "NAME_ALLCAPS"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		card->shortname, 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 		le16_to_cpu(device->descriptor.idVendor),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		le16_to_cpu(device->descriptor.idProduct),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		0,//us428(card)->usbmidi.ifnum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		usx2y(card)->dev->bus->busnum, usx2y(card)->dev->devnum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 		);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	*cardp = card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) static int usx2y_usb_probe(struct usb_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 			   struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 			   const struct usb_device_id *device_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 			   struct snd_card **cardp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	int		err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	struct snd_card *	card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	*cardp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	if (le16_to_cpu(device->descriptor.idVendor) != 0x1604 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	    (le16_to_cpu(device->descriptor.idProduct) != USB_ID_US122 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US224 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	err = usx2y_create_card(device, intf, &card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	if ((err = usx2y_hwdep_new(card, device)) < 0  ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	    (err = snd_card_register(card)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		snd_card_free(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	*cardp = card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)  * new 2.5 USB kernel API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) static int snd_usx2y_probe(struct usb_interface *intf, const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	struct snd_card *card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	err = usx2y_usb_probe(interface_to_usbdev(intf), intf, id, &card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	dev_set_drvdata(&intf->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static void snd_usx2y_disconnect(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	usx2y_usb_disconnect(interface_to_usbdev(intf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 				 usb_get_intfdata(intf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) MODULE_DEVICE_TABLE(usb, snd_usx2y_usb_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) static struct usb_driver snd_usx2y_usb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	.name =		"snd-usb-usx2y",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	.probe =	snd_usx2y_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	.disconnect =	snd_usx2y_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	.id_table =	snd_usx2y_usb_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) static void snd_usx2y_card_private_free(struct snd_card *card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	kfree(usx2y(card)->in04_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	usb_free_urb(usx2y(card)->in04_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	if (usx2y(card)->us428ctls_sharedmem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 		free_pages_exact(usx2y(card)->us428ctls_sharedmem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 				 sizeof(*usx2y(card)->us428ctls_sharedmem));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	if (usx2y(card)->card_index >= 0  &&  usx2y(card)->card_index < SNDRV_CARDS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 		snd_usx2y_card_used[usx2y(card)->card_index] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)  * Frees the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) static void usx2y_usb_disconnect(struct usb_device *device, void* ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	if (ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 		struct snd_card *card = ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 		struct usx2ydev *usx2y = usx2y(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		struct list_head *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 		usx2y->chip_status = USX2Y_STAT_CHIP_HUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		usx2y_unlinkseq(&usx2y->as04);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 		usb_kill_urb(usx2y->in04_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 		snd_card_disconnect(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 		/* release the midi resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 		list_for_each(p, &usx2y->midi_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 			snd_usbmidi_disconnect(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		if (usx2y->us428ctls_sharedmem) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 			wake_up(&usx2y->us428ctls_wait_queue_head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 		snd_card_free(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) module_usb_driver(snd_usx2y_usb_driver);