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733 lines
17 KiB
733 lines
17 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright (C) 2007, 2008 Karsten Wiese <[email protected]> |
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*/ |
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|
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#include <linux/slab.h> |
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#include <linux/usb.h> |
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#include <linux/usb/audio.h> |
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#include <linux/module.h> |
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#include <sound/core.h> |
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#include <sound/hwdep.h> |
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#include <sound/pcm.h> |
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#include <sound/initval.h> |
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#define MODNAME "US122L" |
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#include "usb_stream.c" |
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#include "../usbaudio.h" |
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#include "../midi.h" |
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#include "us122l.h" |
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|
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MODULE_AUTHOR("Karsten Wiese <[email protected]>"); |
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MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); |
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MODULE_LICENSE("GPL"); |
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|
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ |
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ |
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/* Enable this card */ |
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
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|
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module_param_array(index, int, NULL, 0444); |
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MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); |
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module_param_array(id, charp, NULL, 0444); |
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MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); |
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module_param_array(enable, bool, NULL, 0444); |
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MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); |
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|
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/* driver_info flags */ |
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#define US122L_FLAG_US144 BIT(0) |
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|
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static int snd_us122l_card_used[SNDRV_CARDS]; |
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|
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static int us122l_create_usbmidi(struct snd_card *card) |
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{ |
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static const struct snd_usb_midi_endpoint_info quirk_data = { |
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.out_ep = 4, |
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.in_ep = 3, |
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.out_cables = 0x001, |
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.in_cables = 0x001 |
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}; |
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static const struct snd_usb_audio_quirk quirk = { |
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.vendor_name = "US122L", |
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.product_name = NAME_ALLCAPS, |
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.ifnum = 1, |
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.type = QUIRK_MIDI_US122L, |
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.data = &quirk_data |
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}; |
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struct usb_device *dev = US122L(card)->dev; |
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struct usb_interface *iface = usb_ifnum_to_if(dev, 1); |
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|
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return snd_usbmidi_create(card, iface, |
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&US122L(card)->midi_list, &quirk); |
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} |
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|
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static int us144_create_usbmidi(struct snd_card *card) |
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{ |
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static const struct snd_usb_midi_endpoint_info quirk_data = { |
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.out_ep = 4, |
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.in_ep = 3, |
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.out_cables = 0x001, |
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.in_cables = 0x001 |
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}; |
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static const struct snd_usb_audio_quirk quirk = { |
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.vendor_name = "US144", |
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.product_name = NAME_ALLCAPS, |
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.ifnum = 0, |
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.type = QUIRK_MIDI_US122L, |
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.data = &quirk_data |
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}; |
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struct usb_device *dev = US122L(card)->dev; |
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struct usb_interface *iface = usb_ifnum_to_if(dev, 0); |
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|
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return snd_usbmidi_create(card, iface, |
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&US122L(card)->midi_list, &quirk); |
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} |
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|
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static void pt_info_set(struct usb_device *dev, u8 v) |
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{ |
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int ret; |
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|
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ret = usb_control_msg_send(dev, 0, 'I', |
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
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v, 0, NULL, 0, 1000, GFP_NOIO); |
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snd_printdd(KERN_DEBUG "%i\n", ret); |
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} |
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|
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static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) |
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{ |
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struct us122l *us122l = area->vm_private_data; |
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atomic_inc(&us122l->mmap_count); |
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snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); |
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} |
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|
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static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf) |
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{ |
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unsigned long offset; |
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struct page *page; |
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void *vaddr; |
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struct us122l *us122l = vmf->vma->vm_private_data; |
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struct usb_stream *s; |
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|
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mutex_lock(&us122l->mutex); |
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s = us122l->sk.s; |
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if (!s) |
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goto unlock; |
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|
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offset = vmf->pgoff << PAGE_SHIFT; |
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if (offset < PAGE_ALIGN(s->read_size)) |
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vaddr = (char *)s + offset; |
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else { |
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offset -= PAGE_ALIGN(s->read_size); |
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if (offset >= PAGE_ALIGN(s->write_size)) |
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goto unlock; |
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|
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vaddr = us122l->sk.write_page + offset; |
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} |
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page = virt_to_page(vaddr); |
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|
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get_page(page); |
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mutex_unlock(&us122l->mutex); |
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|
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vmf->page = page; |
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|
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return 0; |
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unlock: |
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mutex_unlock(&us122l->mutex); |
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return VM_FAULT_SIGBUS; |
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} |
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|
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static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) |
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{ |
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struct us122l *us122l = area->vm_private_data; |
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atomic_dec(&us122l->mmap_count); |
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snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); |
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} |
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|
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static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { |
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.open = usb_stream_hwdep_vm_open, |
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.fault = usb_stream_hwdep_vm_fault, |
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.close = usb_stream_hwdep_vm_close, |
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}; |
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|
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static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) |
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{ |
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struct us122l *us122l = hw->private_data; |
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struct usb_interface *iface; |
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snd_printdd(KERN_DEBUG "%p %p\n", hw, file); |
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if (hw->used >= 2) |
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return -EBUSY; |
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|
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if (!us122l->first) |
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us122l->first = file; |
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|
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if (us122l->is_us144) { |
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iface = usb_ifnum_to_if(us122l->dev, 0); |
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usb_autopm_get_interface(iface); |
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} |
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iface = usb_ifnum_to_if(us122l->dev, 1); |
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usb_autopm_get_interface(iface); |
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return 0; |
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} |
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|
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static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) |
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{ |
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struct us122l *us122l = hw->private_data; |
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struct usb_interface *iface; |
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snd_printdd(KERN_DEBUG "%p %p\n", hw, file); |
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|
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if (us122l->is_us144) { |
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iface = usb_ifnum_to_if(us122l->dev, 0); |
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usb_autopm_put_interface(iface); |
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} |
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iface = usb_ifnum_to_if(us122l->dev, 1); |
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usb_autopm_put_interface(iface); |
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if (us122l->first == file) |
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us122l->first = NULL; |
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mutex_lock(&us122l->mutex); |
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if (us122l->master == file) |
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us122l->master = us122l->slave; |
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|
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us122l->slave = NULL; |
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mutex_unlock(&us122l->mutex); |
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return 0; |
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} |
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|
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static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, |
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struct file *filp, struct vm_area_struct *area) |
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{ |
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unsigned long size = area->vm_end - area->vm_start; |
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struct us122l *us122l = hw->private_data; |
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unsigned long offset; |
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struct usb_stream *s; |
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int err = 0; |
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bool read; |
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|
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offset = area->vm_pgoff << PAGE_SHIFT; |
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mutex_lock(&us122l->mutex); |
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s = us122l->sk.s; |
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read = offset < s->read_size; |
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if (read && area->vm_flags & VM_WRITE) { |
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err = -EPERM; |
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goto out; |
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} |
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snd_printdd(KERN_DEBUG "%lu %u\n", size, |
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read ? s->read_size : s->write_size); |
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/* if userspace tries to mmap beyond end of our buffer, fail */ |
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if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) { |
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snd_printk(KERN_WARNING "%lu > %u\n", size, |
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read ? s->read_size : s->write_size); |
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err = -EINVAL; |
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goto out; |
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} |
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|
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area->vm_ops = &usb_stream_hwdep_vm_ops; |
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area->vm_flags |= VM_DONTDUMP; |
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if (!read) |
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area->vm_flags |= VM_DONTEXPAND; |
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area->vm_private_data = us122l; |
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atomic_inc(&us122l->mmap_count); |
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out: |
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mutex_unlock(&us122l->mutex); |
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return err; |
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} |
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|
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static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, |
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struct file *file, poll_table *wait) |
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{ |
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struct us122l *us122l = hw->private_data; |
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unsigned *polled; |
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__poll_t mask; |
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|
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poll_wait(file, &us122l->sk.sleep, wait); |
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|
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mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM | EPOLLERR; |
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if (mutex_trylock(&us122l->mutex)) { |
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struct usb_stream *s = us122l->sk.s; |
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if (s && s->state == usb_stream_ready) { |
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if (us122l->first == file) |
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polled = &s->periods_polled; |
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else |
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polled = &us122l->second_periods_polled; |
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if (*polled != s->periods_done) { |
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*polled = s->periods_done; |
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mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM; |
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} else |
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mask = 0; |
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} |
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mutex_unlock(&us122l->mutex); |
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} |
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return mask; |
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} |
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|
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static void us122l_stop(struct us122l *us122l) |
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{ |
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struct list_head *p; |
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list_for_each(p, &us122l->midi_list) |
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snd_usbmidi_input_stop(p); |
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|
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usb_stream_stop(&us122l->sk); |
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usb_stream_free(&us122l->sk); |
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} |
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|
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static int us122l_set_sample_rate(struct usb_device *dev, int rate) |
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{ |
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unsigned int ep = 0x81; |
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unsigned char data[3]; |
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int err; |
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|
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data[0] = rate; |
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data[1] = rate >> 8; |
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data[2] = rate >> 16; |
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err = usb_control_msg_send(dev, 0, UAC_SET_CUR, |
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USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
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UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, |
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1000, GFP_NOIO); |
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if (err) |
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snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", |
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dev->devnum, rate, ep); |
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return err; |
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} |
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|
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static bool us122l_start(struct us122l *us122l, |
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unsigned rate, unsigned period_frames) |
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{ |
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struct list_head *p; |
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int err; |
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unsigned use_packsize = 0; |
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bool success = false; |
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|
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if (us122l->dev->speed == USB_SPEED_HIGH) { |
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/* The us-122l's descriptor defaults to iso max_packsize 78, |
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which isn't needed for samplerates <= 48000. |
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Lets save some memory: |
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*/ |
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switch (rate) { |
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case 44100: |
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use_packsize = 36; |
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break; |
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case 48000: |
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use_packsize = 42; |
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break; |
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case 88200: |
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use_packsize = 72; |
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break; |
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} |
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} |
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if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2, |
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rate, use_packsize, period_frames, 6)) |
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goto out; |
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|
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err = us122l_set_sample_rate(us122l->dev, rate); |
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if (err < 0) { |
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us122l_stop(us122l); |
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snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); |
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goto out; |
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} |
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err = usb_stream_start(&us122l->sk); |
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if (err < 0) { |
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us122l_stop(us122l); |
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snd_printk(KERN_ERR "us122l_start error %i \n", err); |
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goto out; |
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} |
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list_for_each(p, &us122l->midi_list) |
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snd_usbmidi_input_start(p); |
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success = true; |
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out: |
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return success; |
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} |
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|
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static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, |
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unsigned cmd, unsigned long arg) |
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{ |
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struct usb_stream_config cfg; |
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struct us122l *us122l = hw->private_data; |
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struct usb_stream *s; |
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unsigned min_period_frames; |
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int err = 0; |
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bool high_speed; |
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|
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if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) |
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return -ENOTTY; |
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|
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if (copy_from_user(&cfg, (void __user *)arg, sizeof(cfg))) |
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return -EFAULT; |
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|
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if (cfg.version != USB_STREAM_INTERFACE_VERSION) |
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return -ENXIO; |
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|
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high_speed = us122l->dev->speed == USB_SPEED_HIGH; |
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if ((cfg.sample_rate != 44100 && cfg.sample_rate != 48000 && |
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(!high_speed || |
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(cfg.sample_rate != 88200 && cfg.sample_rate != 96000))) || |
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cfg.frame_size != 6 || |
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cfg.period_frames > 0x3000) |
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return -EINVAL; |
|
|
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switch (cfg.sample_rate) { |
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case 44100: |
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min_period_frames = 48; |
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break; |
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case 48000: |
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min_period_frames = 52; |
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break; |
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default: |
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min_period_frames = 104; |
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break; |
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} |
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if (!high_speed) |
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min_period_frames <<= 1; |
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if (cfg.period_frames < min_period_frames) |
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return -EINVAL; |
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|
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snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); |
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|
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mutex_lock(&us122l->mutex); |
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s = us122l->sk.s; |
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if (!us122l->master) |
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us122l->master = file; |
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else if (us122l->master != file) { |
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if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) { |
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err = -EIO; |
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goto unlock; |
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} |
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us122l->slave = file; |
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} |
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if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg)) || |
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s->state == usb_stream_xrun) { |
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us122l_stop(us122l); |
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if (!us122l_start(us122l, cfg.sample_rate, cfg.period_frames)) |
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err = -EIO; |
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else |
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err = 1; |
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} |
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unlock: |
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mutex_unlock(&us122l->mutex); |
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wake_up_all(&us122l->sk.sleep); |
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return err; |
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} |
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|
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#define SND_USB_STREAM_ID "USB STREAM" |
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static int usb_stream_hwdep_new(struct snd_card *card) |
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{ |
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int err; |
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struct snd_hwdep *hw; |
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struct usb_device *dev = US122L(card)->dev; |
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|
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err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); |
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if (err < 0) |
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return err; |
|
|
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hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; |
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hw->private_data = US122L(card); |
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hw->ops.open = usb_stream_hwdep_open; |
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hw->ops.release = usb_stream_hwdep_release; |
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hw->ops.ioctl = usb_stream_hwdep_ioctl; |
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hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; |
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hw->ops.mmap = usb_stream_hwdep_mmap; |
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hw->ops.poll = usb_stream_hwdep_poll; |
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|
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sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", |
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dev->bus->busnum, dev->devnum); |
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return 0; |
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} |
|
|
|
|
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static bool us122l_create_card(struct snd_card *card) |
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{ |
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int err; |
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struct us122l *us122l = US122L(card); |
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|
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if (us122l->is_us144) { |
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err = usb_set_interface(us122l->dev, 0, 1); |
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if (err) { |
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snd_printk(KERN_ERR "usb_set_interface error \n"); |
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return false; |
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} |
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} |
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err = usb_set_interface(us122l->dev, 1, 1); |
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if (err) { |
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snd_printk(KERN_ERR "usb_set_interface error \n"); |
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return false; |
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} |
|
|
|
pt_info_set(us122l->dev, 0x11); |
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pt_info_set(us122l->dev, 0x10); |
|
|
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if (!us122l_start(us122l, 44100, 256)) |
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return false; |
|
|
|
if (us122l->is_us144) |
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err = us144_create_usbmidi(card); |
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else |
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err = us122l_create_usbmidi(card); |
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if (err < 0) { |
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snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); |
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goto stop; |
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} |
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err = usb_stream_hwdep_new(card); |
|
if (err < 0) { |
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/* release the midi resources */ |
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struct list_head *p; |
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list_for_each(p, &us122l->midi_list) |
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snd_usbmidi_disconnect(p); |
|
|
|
goto stop; |
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} |
|
return true; |
|
|
|
stop: |
|
us122l_stop(us122l); |
|
return false; |
|
} |
|
|
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static void snd_us122l_free(struct snd_card *card) |
|
{ |
|
struct us122l *us122l = US122L(card); |
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int index = us122l->card_index; |
|
if (index >= 0 && index < SNDRV_CARDS) |
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snd_us122l_card_used[index] = 0; |
|
} |
|
|
|
static int usx2y_create_card(struct usb_device *device, |
|
struct usb_interface *intf, |
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struct snd_card **cardp, |
|
unsigned long flags) |
|
{ |
|
int dev; |
|
struct snd_card *card; |
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int err; |
|
|
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for (dev = 0; dev < SNDRV_CARDS; ++dev) |
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if (enable[dev] && !snd_us122l_card_used[dev]) |
|
break; |
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if (dev >= SNDRV_CARDS) |
|
return -ENODEV; |
|
err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE, |
|
sizeof(struct us122l), &card); |
|
if (err < 0) |
|
return err; |
|
snd_us122l_card_used[US122L(card)->card_index = dev] = 1; |
|
card->private_free = snd_us122l_free; |
|
US122L(card)->dev = device; |
|
mutex_init(&US122L(card)->mutex); |
|
init_waitqueue_head(&US122L(card)->sk.sleep); |
|
US122L(card)->is_us144 = flags & US122L_FLAG_US144; |
|
INIT_LIST_HEAD(&US122L(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, |
|
US122L(card)->dev->bus->busnum, |
|
US122L(card)->dev->devnum |
|
); |
|
*cardp = card; |
|
return 0; |
|
} |
|
|
|
static int us122l_usb_probe(struct usb_interface *intf, |
|
const struct usb_device_id *device_id, |
|
struct snd_card **cardp) |
|
{ |
|
struct usb_device *device = interface_to_usbdev(intf); |
|
struct snd_card *card; |
|
int err; |
|
|
|
err = usx2y_create_card(device, intf, &card, device_id->driver_info); |
|
if (err < 0) |
|
return err; |
|
|
|
if (!us122l_create_card(card)) { |
|
snd_card_free(card); |
|
return -EINVAL; |
|
} |
|
|
|
err = snd_card_register(card); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
return err; |
|
} |
|
|
|
usb_get_intf(usb_ifnum_to_if(device, 0)); |
|
usb_get_dev(device); |
|
*cardp = card; |
|
return 0; |
|
} |
|
|
|
static int snd_us122l_probe(struct usb_interface *intf, |
|
const struct usb_device_id *id) |
|
{ |
|
struct usb_device *device = interface_to_usbdev(intf); |
|
struct snd_card *card; |
|
int err; |
|
|
|
if (id->driver_info & US122L_FLAG_US144 && |
|
device->speed == USB_SPEED_HIGH) { |
|
snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); |
|
return -ENODEV; |
|
} |
|
|
|
snd_printdd(KERN_DEBUG"%p:%i\n", |
|
intf, intf->cur_altsetting->desc.bInterfaceNumber); |
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 1) |
|
return 0; |
|
|
|
err = us122l_usb_probe(usb_get_intf(intf), id, &card); |
|
if (err < 0) { |
|
usb_put_intf(intf); |
|
return err; |
|
} |
|
|
|
usb_set_intfdata(intf, card); |
|
return 0; |
|
} |
|
|
|
static void snd_us122l_disconnect(struct usb_interface *intf) |
|
{ |
|
struct snd_card *card; |
|
struct us122l *us122l; |
|
struct list_head *p; |
|
|
|
card = usb_get_intfdata(intf); |
|
if (!card) |
|
return; |
|
|
|
snd_card_disconnect(card); |
|
|
|
us122l = US122L(card); |
|
mutex_lock(&us122l->mutex); |
|
us122l_stop(us122l); |
|
mutex_unlock(&us122l->mutex); |
|
|
|
/* release the midi resources */ |
|
list_for_each(p, &us122l->midi_list) { |
|
snd_usbmidi_disconnect(p); |
|
} |
|
|
|
usb_put_intf(usb_ifnum_to_if(us122l->dev, 0)); |
|
usb_put_intf(usb_ifnum_to_if(us122l->dev, 1)); |
|
usb_put_dev(us122l->dev); |
|
|
|
while (atomic_read(&us122l->mmap_count)) |
|
msleep(500); |
|
|
|
snd_card_free(card); |
|
} |
|
|
|
static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) |
|
{ |
|
struct snd_card *card; |
|
struct us122l *us122l; |
|
struct list_head *p; |
|
|
|
card = usb_get_intfdata(intf); |
|
if (!card) |
|
return 0; |
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
|
|
|
us122l = US122L(card); |
|
if (!us122l) |
|
return 0; |
|
|
|
list_for_each(p, &us122l->midi_list) |
|
snd_usbmidi_input_stop(p); |
|
|
|
mutex_lock(&us122l->mutex); |
|
usb_stream_stop(&us122l->sk); |
|
mutex_unlock(&us122l->mutex); |
|
|
|
return 0; |
|
} |
|
|
|
static int snd_us122l_resume(struct usb_interface *intf) |
|
{ |
|
struct snd_card *card; |
|
struct us122l *us122l; |
|
struct list_head *p; |
|
int err; |
|
|
|
card = usb_get_intfdata(intf); |
|
if (!card) |
|
return 0; |
|
|
|
us122l = US122L(card); |
|
if (!us122l) |
|
return 0; |
|
|
|
mutex_lock(&us122l->mutex); |
|
/* needed, doesn't restart without: */ |
|
if (us122l->is_us144) { |
|
err = usb_set_interface(us122l->dev, 0, 1); |
|
if (err) { |
|
snd_printk(KERN_ERR "usb_set_interface error \n"); |
|
goto unlock; |
|
} |
|
} |
|
err = usb_set_interface(us122l->dev, 1, 1); |
|
if (err) { |
|
snd_printk(KERN_ERR "usb_set_interface error \n"); |
|
goto unlock; |
|
} |
|
|
|
pt_info_set(us122l->dev, 0x11); |
|
pt_info_set(us122l->dev, 0x10); |
|
|
|
err = us122l_set_sample_rate(us122l->dev, |
|
us122l->sk.s->cfg.sample_rate); |
|
if (err < 0) { |
|
snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); |
|
goto unlock; |
|
} |
|
err = usb_stream_start(&us122l->sk); |
|
if (err) |
|
goto unlock; |
|
|
|
list_for_each(p, &us122l->midi_list) |
|
snd_usbmidi_input_start(p); |
|
unlock: |
|
mutex_unlock(&us122l->mutex); |
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
|
return err; |
|
} |
|
|
|
static const struct usb_device_id snd_us122l_usb_id_table[] = { |
|
{ |
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
|
.idVendor = 0x0644, |
|
.idProduct = USB_ID_US122L |
|
}, |
|
{ /* US-144 only works at USB1.1! Disable module ehci-hcd. */ |
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
|
.idVendor = 0x0644, |
|
.idProduct = USB_ID_US144, |
|
.driver_info = US122L_FLAG_US144 |
|
}, |
|
{ |
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
|
.idVendor = 0x0644, |
|
.idProduct = USB_ID_US122MKII |
|
}, |
|
{ |
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, |
|
.idVendor = 0x0644, |
|
.idProduct = USB_ID_US144MKII, |
|
.driver_info = US122L_FLAG_US144 |
|
}, |
|
{ /* terminator */ } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); |
|
static struct usb_driver snd_us122l_usb_driver = { |
|
.name = "snd-usb-us122l", |
|
.probe = snd_us122l_probe, |
|
.disconnect = snd_us122l_disconnect, |
|
.suspend = snd_us122l_suspend, |
|
.resume = snd_us122l_resume, |
|
.reset_resume = snd_us122l_resume, |
|
.id_table = snd_us122l_usb_id_table, |
|
.supports_autosuspend = 1 |
|
}; |
|
|
|
module_usb_driver(snd_us122l_usb_driver);
|
|
|