diff options
Diffstat (limited to 'drivers/staging')
72 files changed, 267 insertions, 20311 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 815de379a130..9049dd91b569 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -46,8 +46,6 @@ source "drivers/staging/rtl8723au/Kconfig" source "drivers/staging/rts5208/Kconfig" -source "drivers/staging/line6/Kconfig" - source "drivers/staging/octeon/Kconfig" source "drivers/staging/octeon-usb/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 33c640b49566..fe26ff162b42 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_R8712U) += rtl8712/ obj-$(CONFIG_R8188EU) += rtl8188eu/ obj-$(CONFIG_R8723AU) += rtl8723au/ obj-$(CONFIG_RTS5208) += rts5208/ -obj-$(CONFIG_LINE6_USB) += line6/ obj-$(CONFIG_NETLOGIC_XLR_NET) += netlogic/ obj-$(CONFIG_OCTEON_ETHERNET) += octeon/ obj-$(CONFIG_OCTEON_USB) += octeon-usb/ diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index b545d3d1da3e..feafa172b155 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -160,7 +160,12 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) selected->pid, selected->comm, selected_oom_score_adj, selected_tasksize); lowmem_deathpending_timeout = jiffies + HZ; - set_tsk_thread_flag(selected, TIF_MEMDIE); + /* + * FIXME: lowmemorykiller shouldn't abuse global OOM killer + * infrastructure. There is no real reason why the selected + * task should have access to the memory reserves. + */ + mark_tsk_oom_victim(selected); send_sig(SIGKILL, selected, 0); rem += selected_tasksize; } diff --git a/drivers/staging/line6/Kconfig b/drivers/staging/line6/Kconfig deleted file mode 100644 index 4f1219b4c692..000000000000 --- a/drivers/staging/line6/Kconfig +++ /dev/null @@ -1,38 +0,0 @@ -menuconfig LINE6_USB - tristate "Line6 USB support" - depends on USB && SND - select SND_RAWMIDI - select SND_PCM - help - This is a driver for the guitar amp, cab, and effects modeller - PODxt Pro by Line6 (and similar devices), supporting the - following features: - * Reading/writing individual parameters - * Reading/writing complete channel, effects setup, and amp - setup data - * Channel switching - * Virtual MIDI interface - * Tuner access - * Playback/capture/mixer device for any ALSA-compatible PCM - audio application - * Signal routing (record clean/processed guitar signal, - re-amping) - - Preliminary support for the Variax Workbench and TonePort - devices is included. - -if LINE6_USB - -config LINE6_USB_IMPULSE_RESPONSE - bool "measure impulse response" - default n - help - Say Y here to add code to measure the impulse response of a Line6 - device. This is more accurate than user-space methods since it - bypasses any PCM data buffering (e.g., by ALSA or jack). This is - useful for assessing the performance of new devices, but is not - required for normal operation. - - If unsure, say N. - -endif # LINE6_USB diff --git a/drivers/staging/line6/Makefile b/drivers/staging/line6/Makefile deleted file mode 100644 index ae5c374b0f87..000000000000 --- a/drivers/staging/line6/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -obj-$(CONFIG_LINE6_USB) += line6usb.o - -line6usb-y := \ - audio.o \ - capture.o \ - driver.o \ - midi.o \ - midibuf.o \ - pcm.o \ - playback.o \ - pod.o \ - toneport.o \ - variax.o \ - podhd.o diff --git a/drivers/staging/line6/audio.c b/drivers/staging/line6/audio.c deleted file mode 100644 index 171d80c1b020..000000000000 --- a/drivers/staging/line6/audio.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Line6 Linux USB driver - 0.9.1beta - * - * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) - * - * 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, version 2. - * - */ - -#include <sound/core.h> -#include <sound/initval.h> -#include <linux/export.h> - -#include "driver.h" -#include "audio.h" - -/* - Initialize the Line6 USB audio system. -*/ -int line6_init_audio(struct usb_line6 *line6) -{ - struct snd_card *card; - int err; - - err = snd_card_new(line6->ifcdev, - SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, - THIS_MODULE, 0, &card); - if (err < 0) - return err; - - line6->card = card; - - strcpy(card->id, line6->properties->id); - strcpy(card->driver, DRIVER_NAME); - strcpy(card->shortname, line6->properties->name); - /* longname is 80 chars - see asound.h */ - sprintf(card->longname, "Line6 %s at USB %s", line6->properties->name, - dev_name(line6->ifcdev)); - return 0; -} - -/* - Register the Line6 USB audio system. -*/ -int line6_register_audio(struct usb_line6 *line6) -{ - int err; - - err = snd_card_register(line6->card); - if (err < 0) - return err; - - return 0; -} - -/* - Cleanup the Line6 USB audio system. -*/ -void line6_cleanup_audio(struct usb_line6 *line6) -{ - struct snd_card *card = line6->card; - - if (card == NULL) - return; - - snd_card_disconnect(card); - snd_card_free(card); - line6->card = NULL; -} diff --git a/drivers/staging/line6/audio.h b/drivers/staging/line6/audio.h deleted file mode 100644 index 5f8a09a0fa95..000000000000 --- a/drivers/staging/line6/audio.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Line6 Linux USB driver - 0.9.1beta - * - * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) - * - * 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, version 2. - * - */ - -#ifndef AUDIO_H -#define AUDIO_H - -#include "driver.h" - -extern void line6_cleanup_audio(struct usb_line6 *); -extern int line6_init_audio(struct usb_line6 *); -extern int line6_register_audio(struct usb_line6 *); - -#endif diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c deleted file mode 100644 index e6ca631e3f79..000000000000 --- a/drivers/staging/line6/capture.c +++ /dev/null @@ -1,432 +0,0 @@ -/* - * Line6 Linux USB driver - 0.9.1beta - * - * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) - * - * 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, version 2. - * - */ - -#include <linux/slab.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> - -#include "audio.h" -#include "capture.h" -#include "driver.h" -#include "pcm.h" -#include "pod.h" - -/* - Find a free URB and submit it. -*/ -static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm) -{ - int index; - unsigned long flags; - int i, urb_size; - int ret; - struct urb *urb_in; - - spin_lock_irqsave(&line6pcm->lock_audio_in, flags); - index = - find_first_zero_bit(&line6pcm->active_urb_in, LINE6_ISO_BUFFERS); - - if (index < 0 || index >= LINE6_ISO_BUFFERS) { - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); - dev_err(line6pcm->line6->ifcdev, "no free URB found\n"); - return -EINVAL; - } - - urb_in = line6pcm->urb_audio_in[index]; - urb_size = 0; - - for (i = 0; i < LINE6_ISO_PACKETS; ++i) { - struct usb_iso_packet_descriptor *fin = - &urb_in->iso_frame_desc[i]; - fin->offset = urb_size; - fin->length = line6pcm->max_packet_size; - urb_size += line6pcm->max_packet_size; - } - - urb_in->transfer_buffer = - line6pcm->buffer_in + - index * LINE6_ISO_PACKETS * line6pcm->max_packet_size; - urb_in->transfer_buffer_length = urb_size; - urb_in->context = line6pcm; - - ret = usb_submit_urb(urb_in, GFP_ATOMIC); - - if (ret == 0) - set_bit(index, &line6pcm->active_urb_in); - else - dev_err(line6pcm->line6->ifcdev, - "URB in #%d submission failed (%d)\n", index, ret); - - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); - return 0; -} - -/* - Submit all currently available capture URBs. -*/ -int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm) -{ - int ret, i; - - for (i = 0; i < LINE6_ISO_BUFFERS; ++i) { - ret = submit_audio_in_urb(line6pcm); - if (ret < 0) - return ret; - } - - return 0; -} - -/* - Unlink all currently active capture URBs. -*/ -void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm) -{ - unsigned int i; - - for (i = LINE6_ISO_BUFFERS; i--;) { - if (test_bit(i, &line6pcm->active_urb_in)) { - if (!test_and_set_bit(i, &line6pcm->unlink_urb_in)) { - struct urb *u = line6pcm->urb_audio_in[i]; - - usb_unlink_urb(u); - } - } - } -} - -/* - Wait until unlinking of all currently active capture URBs has been - finished. -*/ -void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) -{ - int timeout = HZ; - unsigned int i; - int alive; - - do { - alive = 0; - for (i = LINE6_ISO_BUFFERS; i--;) { - if (test_bit(i, &line6pcm->active_urb_in)) - alive++; - } - if (!alive) - break; - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); - } while (--timeout > 0); - if (alive) - snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive); -} - -/* - Unlink all currently active capture URBs, and wait for finishing. -*/ -void line6_unlink_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) -{ - line6_unlink_audio_in_urbs(line6pcm); - line6_wait_clear_audio_in_urbs(line6pcm); -} - -/* - Copy data into ALSA capture buffer. -*/ -void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize) -{ - struct snd_pcm_substream *substream = - get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE); - struct snd_pcm_runtime *runtime = substream->runtime; - const int bytes_per_frame = line6pcm->properties->bytes_per_frame; - int frames = fsize / bytes_per_frame; - - if (runtime == NULL) - return; - - if (line6pcm->pos_in_done + frames > runtime->buffer_size) { - /* - The transferred area goes over buffer boundary, - copy two separate chunks. - */ - int len; - - len = runtime->buffer_size - line6pcm->pos_in_done; - - if (len > 0) { - memcpy(runtime->dma_area + - line6pcm->pos_in_done * bytes_per_frame, fbuf, - len * bytes_per_frame); - memcpy(runtime->dma_area, fbuf + len * bytes_per_frame, - (frames - len) * bytes_per_frame); - } else { - /* this is somewhat paranoid */ - dev_err(line6pcm->line6->ifcdev, - "driver bug: len = %d\n", len); - } - } else { - /* copy single chunk */ - memcpy(runtime->dma_area + - line6pcm->pos_in_done * bytes_per_frame, fbuf, fsize); - } - - line6pcm->pos_in_done += frames; - if (line6pcm->pos_in_done >= runtime->buffer_size) - line6pcm->pos_in_done -= runtime->buffer_size; -} - -void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length) -{ - struct snd_pcm_substream *substream = - get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE); - - line6pcm->bytes_in += length; - if (line6pcm->bytes_in >= line6pcm->period_in) { - line6pcm->bytes_in %= line6pcm->period_in; - snd_pcm_period_elapsed(substream); - } -} - -void line6_free_capture_buffer(struct snd_line6_pcm *line6pcm) -{ - kfree(line6pcm->buffer_in); - line6pcm->buffer_in = NULL; -} - -/* - * Callback for completed capture URB. - */ -static void audio_in_callback(struct urb *urb) -{ - int i, index, length = 0, shutdown = 0; - unsigned long flags; - - struct snd_line6_pcm *line6pcm = (struct snd_line6_pcm *)urb->context; - - line6pcm->last_frame_in = urb->start_frame; - - /* find index of URB */ - for (index = 0; index < LINE6_ISO_BUFFERS; ++index) - if (urb == line6pcm->urb_audio_in[index]) - break; - - spin_lock_irqsave(&line6pcm->lock_audio_in, flags); - - for (i = 0; i < LINE6_ISO_PACKETS; ++i) { - char *fbuf; - int fsize; - struct usb_iso_packet_descriptor *fin = &urb->iso_frame_desc[i]; - - if (fin->status == -EXDEV) { - shutdown = 1; - break; - } - - fbuf = urb->transfer_buffer + fin->offset; - fsize = fin->actual_length; - - if (fsize > line6pcm->max_packet_size) { - dev_err(line6pcm->line6->ifcdev, - "driver and/or device bug: packet too large (%d > %d)\n", - fsize, line6pcm->max_packet_size); - } - - length += fsize; - - /* the following assumes LINE6_ISO_PACKETS == 1: */ - line6pcm->prev_fbuf = fbuf; - line6pcm->prev_fsize = fsize; - -#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) -#endif - if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, - &line6pcm->flags) && (fsize > 0)) - line6_capture_copy(line6pcm, fbuf, fsize); - } - - clear_bit(index, &line6pcm->active_urb_in); - - if (test_and_clear_bit(index, &line6pcm->unlink_urb_in)) - shutdown = 1; - - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); - - if (!shutdown) { - submit_audio_in_urb(line6pcm); - -#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) -#endif - if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, - &line6pcm->flags)) - line6_capture_check_period(line6pcm, length); - } -} - -/* open capture callback */ -static int snd_line6_capture_open(struct snd_pcm_substream *substream) -{ - int err; - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - - err = snd_pcm_hw_constraint_ratdens(runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, - (&line6pcm-> - properties->snd_line6_rates)); - if (err < 0) - return err; - - runtime->hw = line6pcm->properties->snd_line6_capture_hw; - return 0; -} - |