From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/sound/usb/usx2y/usbusx2y.c | 461 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 461 insertions(+) create mode 100644 kernel/sound/usb/usx2y/usbusx2y.c (limited to 'kernel/sound/usb/usx2y/usbusx2y.c') diff --git a/kernel/sound/usb/usx2y/usbusx2y.c b/kernel/sound/usb/usx2y/usbusx2y.c new file mode 100644 index 000000000..91e0e2a48 --- /dev/null +++ b/kernel/sound/usb/usx2y/usbusx2y.c @@ -0,0 +1,461 @@ +/* + * usbusy2y.c - ALSA USB US-428 Driver + * +2005-04-14 Karsten Wiese + Version 0.8.7.2: + Call snd_card_free() instead of snd_card_free_in_thread() to prevent oops with dead keyboard symptom. + Tested ok with kernel 2.6.12-rc2. + +2004-12-14 Karsten Wiese + Version 0.8.7.1: + snd_pcm_open for rawusb pcm-devices now returns -EBUSY if called without rawusb's hwdep device being open. + +2004-12-02 Karsten Wiese + Version 0.8.7: + Use macro usb_maxpacket() for portability. + +2004-10-26 Karsten Wiese + Version 0.8.6: + wake_up() process waiting in usX2Y_urbs_start() on error. + +2004-10-21 Karsten Wiese + Version 0.8.5: + nrpacks is runtime or compiletime configurable now with tested values from 1 to 4. + +2004-10-03 Karsten Wiese + Version 0.8.2: + Avoid any possible racing while in prepare callback. + +2004-09-30 Karsten Wiese + Version 0.8.0: + Simplified things and made ohci work again. + +2004-09-20 Karsten Wiese + Version 0.7.3: + Use usb_kill_urb() instead of deprecated (kernel 2.6.9) usb_unlink_urb(). + +2004-07-13 Karsten Wiese + Version 0.7.1: + Don't sleep in START/STOP callbacks anymore. + us428 channels C/D not handled just for this version, sorry. + +2004-06-21 Karsten Wiese + Version 0.6.4: + Temporarely suspend midi input + to sanely call usb_set_interface() when setting format. + +2004-06-12 Karsten Wiese + Version 0.6.3: + Made it thus the following rule is enforced: + "All pcm substreams of one usX2Y have to operate at the same rate & format." + +2004-04-06 Karsten Wiese + Version 0.6.0: + Runs on 2.6.5 kernel without any "--with-debug=" things. + us224 reported running. + +2004-01-14 Karsten Wiese + Version 0.5.1: + Runs with 2.6.1 kernel. + +2003-12-30 Karsten Wiese + Version 0.4.1: + Fix 24Bit 4Channel capturing for the us428. + +2003-11-27 Karsten Wiese, Martin Langer + Version 0.4: + us122 support. + us224 could be tested by uncommenting the sections containing USB_ID_US224 + +2003-11-03 Karsten Wiese + Version 0.3: + 24Bit support. + "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. + +2003-08-22 Karsten Wiese + Version 0.0.8: + Removed EZUSB Firmware. First Stage Firmwaredownload is now done by tascam-firmware downloader. + See: + http://usb-midi-fw.sourceforge.net/tascam-firmware.tar.gz + +2003-06-18 Karsten Wiese + Version 0.0.5: + changed to compile with kernel 2.4.21 and alsa 0.9.4 + +2002-10-16 Karsten Wiese + Version 0.0.4: + compiles again with alsa-current. + USB_ISO_ASAP not used anymore (most of the time), instead + urb->start_frame is calculated here now, some calls inside usb-driver don't need to happen anymore. + + To get the best out of this: + Disable APM-support in the kernel as APM-BIOS calls (once each second) hard disable interrupt for many precious milliseconds. + This helped me much on my slowish PII 400 & PIII 500. + ACPI yet untested but might cause the same bad behaviour. + Use a kernel with lowlatency and preemptiv patches applied. + To autoload snd-usb-midi append a line + post-install snd-usb-us428 modprobe snd-usb-midi + to /etc/modules.conf. + + known problems: + sliders, knobs, lights not yet handled except MASTER Volume slider. + "pcm -c 2" doesn't work. "pcm -c 2 -m direct_interleaved" does. + KDE3: "Enable full duplex operation" deadlocks. + + +2002-08-31 Karsten Wiese + Version 0.0.3: audio also simplex; + simplifying: iso urbs only 1 packet, melted structs. + ASYNC_UNLINK not used anymore: no more crashes so far..... + for alsa 0.9 rc3. + +2002-08-09 Karsten Wiese + Version 0.0.2: midi works with snd-usb-midi, audio (only fullduplex now) with i.e. bristol. + The firmware has been sniffed from win2k us-428 driver 3.09. + + * Copyright (c) 2002 - 2004 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "usx2y.h" +#include "usbusx2y.h" +#include "usX2Yhwdep.h" + + + +MODULE_AUTHOR("Karsten Wiese "); +MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.8.7.2"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{TASCAM(0x1604),"NAME_ALLCAPS"(0x8001)(0x8005)(0x8007)}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ +static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); + + +static int snd_usX2Y_card_used[SNDRV_CARDS]; + +static void usX2Y_usb_disconnect(struct usb_device* usb_device, void* ptr); +static void snd_usX2Y_card_private_free(struct snd_card *card); + +/* + * pipe 4 is used for switching the lamps, setting samplerate, volumes .... + */ +static void i_usX2Y_Out04Int(struct urb *urb) +{ +#ifdef CONFIG_SND_DEBUG + if (urb->status) { + int i; + struct usX2Ydev *usX2Y = urb->context; + for (i = 0; i < 10 && usX2Y->AS04.urb[i] != urb; i++); + snd_printdd("i_usX2Y_Out04Int() urb %i status=%i\n", i, urb->status); + } +#endif +} + +static void i_usX2Y_In04Int(struct urb *urb) +{ + int err = 0; + struct usX2Ydev *usX2Y = urb->context; + struct us428ctls_sharedmem *us428ctls = usX2Y->us428ctls_sharedmem; + + usX2Y->In04IntCalls++; + + if (urb->status) { + snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status); + return; + } + + // printk("%i:0x%02X ", 8, (int)((unsigned char*)usX2Y->In04Buf)[8]); Master volume shows 0 here if fader is at max during boot ?!? + if (us428ctls) { + int diff = -1; + if (-2 == us428ctls->CtlSnapShotLast) { + diff = 0; + memcpy(usX2Y->In04Last, usX2Y->In04Buf, sizeof(usX2Y->In04Last)); + us428ctls->CtlSnapShotLast = -1; + } else { + int i; + for (i = 0; i < 21; i++) { + if (usX2Y->In04Last[i] != ((char*)usX2Y->In04Buf)[i]) { + if (diff < 0) + diff = i; + usX2Y->In04Last[i] = ((char*)usX2Y->In04Buf)[i]; + } + } + } + if (0 <= diff) { + int n = us428ctls->CtlSnapShotLast + 1; + if (n >= N_us428_ctl_BUFS || n < 0) + n = 0; + memcpy(us428ctls->CtlSnapShot + n, usX2Y->In04Buf, sizeof(us428ctls->CtlSnapShot[0])); + us428ctls->CtlSnapShotDiffersAt[n] = diff; + us428ctls->CtlSnapShotLast = n; + wake_up(&usX2Y->us428ctls_wait_queue_head); + } + } + + + if (usX2Y->US04) { + if (0 == usX2Y->US04->submitted) + do { + err = usb_submit_urb(usX2Y->US04->urb[usX2Y->US04->submitted++], GFP_ATOMIC); + } while (!err && usX2Y->US04->submitted < usX2Y->US04->len); + } else + if (us428ctls && us428ctls->p4outLast >= 0 && us428ctls->p4outLast < N_us428_p4out_BUFS) { + if (us428ctls->p4outLast != us428ctls->p4outSent) { + int j, send = us428ctls->p4outSent + 1; + if (send >= N_us428_p4out_BUFS) + send = 0; + for (j = 0; j < URBS_AsyncSeq && !err; ++j) + if (0 == usX2Y->AS04.urb[j]->status) { + struct us428_p4out *p4out = us428ctls->p4out + send; // FIXME if more than 1 p4out is new, 1 gets lost. + usb_fill_bulk_urb(usX2Y->AS04.urb[j], usX2Y->dev, + usb_sndbulkpipe(usX2Y->dev, 0x04), &p4out->val.vol, + p4out->type == eLT_Light ? sizeof(struct us428_lights) : 5, + i_usX2Y_Out04Int, usX2Y); + err = usb_submit_urb(usX2Y->AS04.urb[j], GFP_ATOMIC); + us428ctls->p4outSent = send; + break; + } + } + } + + if (err) + snd_printk(KERN_ERR "In04Int() usb_submit_urb err=%i\n", err); + + urb->dev = usX2Y->dev; + usb_submit_urb(urb, GFP_ATOMIC); +} + +/* + * Prepare some urbs + */ +int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y) +{ + int err = 0, + i; + + if (NULL == (usX2Y->AS04.buffer = kmalloc(URB_DataLen_AsyncSeq*URBS_AsyncSeq, GFP_KERNEL))) { + err = -ENOMEM; + } else + for (i = 0; i < URBS_AsyncSeq; ++i) { + if (NULL == (usX2Y->AS04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) { + err = -ENOMEM; + break; + } + usb_fill_bulk_urb( usX2Y->AS04.urb[i], usX2Y->dev, + usb_sndbulkpipe(usX2Y->dev, 0x04), + usX2Y->AS04.buffer + URB_DataLen_AsyncSeq*i, 0, + i_usX2Y_Out04Int, usX2Y + ); + } + return err; +} + +int usX2Y_In04_init(struct usX2Ydev *usX2Y) +{ + if (! (usX2Y->In04urb = usb_alloc_urb(0, GFP_KERNEL))) + return -ENOMEM; + + if (! (usX2Y->In04Buf = kmalloc(21, GFP_KERNEL))) { + usb_free_urb(usX2Y->In04urb); + return -ENOMEM; + } + + init_waitqueue_head(&usX2Y->In04WaitQueue); + usb_fill_int_urb(usX2Y->In04urb, usX2Y->dev, usb_rcvintpipe(usX2Y->dev, 0x4), + usX2Y->In04Buf, 21, + i_usX2Y_In04Int, usX2Y, + 10); + return usb_submit_urb(usX2Y->In04urb, GFP_KERNEL); +} + +static void usX2Y_unlinkSeq(struct snd_usX2Y_AsyncSeq *S) +{ + int i; + for (i = 0; i < URBS_AsyncSeq; ++i) { + usb_kill_urb(S->urb[i]); + usb_free_urb(S->urb[i]); + S->urb[i] = NULL; + } + kfree(S->buffer); +} + + +static struct usb_device_id snd_usX2Y_usb_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US428 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US122 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US224 + }, + { /* terminator */ } +}; + +static int usX2Y_create_card(struct usb_device *device, + struct usb_interface *intf, + struct snd_card **cardp) +{ + int dev; + struct snd_card * card; + int err; + + for (dev = 0; dev < SNDRV_CARDS; ++dev) + if (enable[dev] && !snd_usX2Y_card_used[dev]) + break; + if (dev >= SNDRV_CARDS) + return -ENODEV; + err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE, + sizeof(struct usX2Ydev), &card); + if (err < 0) + return err; + snd_usX2Y_card_used[usX2Y(card)->card_index = dev] = 1; + card->private_free = snd_usX2Y_card_private_free; + usX2Y(card)->dev = device; + init_waitqueue_head(&usX2Y(card)->prepare_wait_queue); + mutex_init(&usX2Y(card)->pcm_mutex); + INIT_LIST_HEAD(&usX2Y(card)->midi_list); + strcpy(card->driver, "USB "NAME_ALLCAPS""); + sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); + sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", + card->shortname, + le16_to_cpu(device->descriptor.idVendor), + le16_to_cpu(device->descriptor.idProduct), + 0,//us428(card)->usbmidi.ifnum, + usX2Y(card)->dev->bus->busnum, usX2Y(card)->dev->devnum + ); + *cardp = card; + return 0; +} + + +static int usX2Y_usb_probe(struct usb_device *device, + struct usb_interface *intf, + const struct usb_device_id *device_id, + struct snd_card **cardp) +{ + int err; + struct snd_card * card; + + *cardp = NULL; + if (le16_to_cpu(device->descriptor.idVendor) != 0x1604 || + (le16_to_cpu(device->descriptor.idProduct) != USB_ID_US122 && + le16_to_cpu(device->descriptor.idProduct) != USB_ID_US224 && + le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428)) + return -EINVAL; + + err = usX2Y_create_card(device, intf, &card); + if (err < 0) + return err; + if ((err = usX2Y_hwdep_new(card, device)) < 0 || + (err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + *cardp = card; + return 0; +} + +/* + * new 2.5 USB kernel API + */ +static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct snd_card *card; + int err; + + err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card); + if (err < 0) + return err; + dev_set_drvdata(&intf->dev, card); + return 0; +} + +static void snd_usX2Y_disconnect(struct usb_interface *intf) +{ + usX2Y_usb_disconnect(interface_to_usbdev(intf), + usb_get_intfdata(intf)); +} + +MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table); +static struct usb_driver snd_usX2Y_usb_driver = { + .name = "snd-usb-usx2y", + .probe = snd_usX2Y_probe, + .disconnect = snd_usX2Y_disconnect, + .id_table = snd_usX2Y_usb_id_table, +}; + +static void snd_usX2Y_card_private_free(struct snd_card *card) +{ + kfree(usX2Y(card)->In04Buf); + usb_free_urb(usX2Y(card)->In04urb); + if (usX2Y(card)->us428ctls_sharedmem) + snd_free_pages(usX2Y(card)->us428ctls_sharedmem, sizeof(*usX2Y(card)->us428ctls_sharedmem)); + if (usX2Y(card)->card_index >= 0 && usX2Y(card)->card_index < SNDRV_CARDS) + snd_usX2Y_card_used[usX2Y(card)->card_index] = 0; +} + +/* + * Frees the device. + */ +static void usX2Y_usb_disconnect(struct usb_device *device, void* ptr) +{ + if (ptr) { + struct snd_card *card = ptr; + struct usX2Ydev *usX2Y = usX2Y(card); + struct list_head *p; + usX2Y->chip_status = USX2Y_STAT_CHIP_HUP; + usX2Y_unlinkSeq(&usX2Y->AS04); + usb_kill_urb(usX2Y->In04urb); + snd_card_disconnect(card); + /* release the midi resources */ + list_for_each(p, &usX2Y->midi_list) { + snd_usbmidi_disconnect(p); + } + if (usX2Y->us428ctls_sharedmem) + wake_up(&usX2Y->us428ctls_wait_queue_head); + snd_card_free(card); + } +} + +module_usb_driver(snd_usX2Y_usb_driver); -- cgit 1.2.3-korg