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Based on 1 normalized pattern(s): 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 see the file copying if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 5 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170856.913346514@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* -*- linux-c -*- *
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*
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* ALSA driver for the digigram lx6464es interface
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*
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* Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
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*/
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#ifndef LX6464ES_H
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#define LX6464ES_H
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#include <linux/spinlock.h>
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#include <linux/atomic.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include "lx_core.h"
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#define LXP "LX6464ES: "
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enum {
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ES_cmd_free = 0, /* no command executing */
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ES_cmd_processing = 1, /* execution of a read/write command */
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ES_read_pending = 2, /* a asynchron read command is pending */
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ES_read_finishing = 3, /* a read command has finished waiting (set by
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* Interrupt or CancelIrp) */
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};
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enum lx_stream_status {
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LX_STREAM_STATUS_FREE,
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/* LX_STREAM_STATUS_OPEN, */
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LX_STREAM_STATUS_SCHEDULE_RUN,
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/* LX_STREAM_STATUS_STARTED, */
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LX_STREAM_STATUS_RUNNING,
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LX_STREAM_STATUS_SCHEDULE_STOP,
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/* LX_STREAM_STATUS_STOPPED, */
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/* LX_STREAM_STATUS_PAUSED */
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};
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struct lx_stream {
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struct snd_pcm_substream *stream;
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snd_pcm_uframes_t frame_pos;
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enum lx_stream_status status; /* free, open, running, draining
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* pause */
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unsigned int is_capture:1;
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};
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struct lx6464es {
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struct snd_card *card;
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struct pci_dev *pci;
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int irq;
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u8 mac_address[6];
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struct mutex lock; /* interrupt lock */
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struct mutex setup_mutex; /* mutex used in hw_params, open
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* and close */
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/* ports */
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unsigned long port_plx; /* io port (size=256) */
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void __iomem *port_plx_remapped; /* remapped plx port */
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void __iomem *port_dsp_bar; /* memory port (32-bit,
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* non-prefetchable,
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* size=8K) */
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/* messaging */
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struct mutex msg_lock; /* message lock */
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struct lx_rmh rmh;
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u32 irqsrc;
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/* configuration */
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uint freq_ratio : 2;
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uint playback_mute : 1;
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uint hardware_running[2];
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u32 board_sample_rate; /* sample rate read from
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* board */
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u16 pcm_granularity; /* board blocksize */
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/* dma */
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struct snd_dma_buffer capture_dma_buf;
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struct snd_dma_buffer playback_dma_buf;
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/* pcm */
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struct snd_pcm *pcm;
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/* streams */
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struct lx_stream capture_stream;
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struct lx_stream playback_stream;
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};
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#endif /* LX6464ES_H */
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