[net-next-2.6.git] / sound / pci / lx6464es / lx6464es.h

/* -*- linux-c -*- *
 *
 * ALSA driver for the digigram lx6464es interface
 *
 * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
 *
 *
 * 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.
 *
 */

#ifndef LX6464ES_H
#define LX6464ES_H

#include <linux/spinlock.h>
#include <asm/atomic.h>

#include <sound/core.h>
#include <sound/pcm.h>

#include "lx_core.h"

#define LXP "LX6464ES: "

enum {
    ES_cmd_free         = 0,    /* no command executing */
    ES_cmd_processing   = 1,	/* execution of a read/write command */
    ES_read_pending     = 2,    /* a asynchron read command is pending */
    ES_read_finishing   = 3,    /* a read command has finished waiting (set by
				 * Interrupt or CancelIrp) */
};

enum lx_stream_status {
	LX_STREAM_STATUS_FREE,
/* 	LX_STREAM_STATUS_OPEN, */
	LX_STREAM_STATUS_SCHEDULE_RUN,
/* 	LX_STREAM_STATUS_STARTED, */
	LX_STREAM_STATUS_RUNNING,
	LX_STREAM_STATUS_SCHEDULE_STOP,
/* 	LX_STREAM_STATUS_STOPPED, */
/* 	LX_STREAM_STATUS_PAUSED */
};


struct lx_stream {
	struct snd_pcm_substream  *stream;
	snd_pcm_uframes_t          frame_pos;
	enum lx_stream_status      status; /* free, open, running, draining
					    * pause */
	unsigned int               is_capture:1;
};


struct lx6464es {
	struct snd_card        *card;
	struct pci_dev         *pci;
	int			irq;

	spinlock_t		lock;        /* interrupt spinlock */
	struct mutex            setup_mutex; /* mutex used in hw_params, open
					      * and close */

	struct tasklet_struct   trigger_tasklet; /* trigger tasklet */
	struct tasklet_struct   tasklet_capture;
	struct tasklet_struct   tasklet_playback;

	/* ports */
	unsigned long		port_plx;	   /* io port (size=256) */
	void __iomem           *port_plx_remapped; /* remapped plx port */
	void __iomem           *port_dsp_bar;      /* memory port (32-bit,
						    * non-prefetchable,
						    * size=8K) */

	/* messaging */
	spinlock_t		msg_lock;          /* message spinlock */
	struct lx_rmh           rmh;

	/* configuration */
	uint			freq_ratio : 2;
	uint                    playback_mute : 1;
	uint                    hardware_running[2];
	u32                     board_sample_rate; /* sample rate read from
						    * board */
	u16                     pcm_granularity;   /* board blocksize */

	/* dma */
	struct snd_dma_buffer   capture_dma_buf;
	struct snd_dma_buffer   playback_dma_buf;

	/* pcm */
	struct snd_pcm         *pcm;

	/* streams */
	struct lx_stream        capture_stream;
	struct lx_stream        playback_stream;
};


#endif /* LX6464ES_H */
Commit	Line	Data
02bec490 TB	1	/* -- linux-c -- *
	2	*
	3	* ALSA driver for the digigram lx6464es interface
	4	*
	5	* Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
	6	*
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; see the file COPYING. If not, write to
	20	* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	21	* Boston, MA 02111-1307, USA.
	22	*
	23	*/
	24
	25	#ifndef LX6464ES_H
	26	#define LX6464ES_H
	27
	28	#include <linux/spinlock.h>
	29	#include <asm/atomic.h>
	30
	31	#include <sound/core.h>
	32	#include <sound/pcm.h>
	33
	34	#include "lx_core.h"
	35
	36	#define LXP "LX6464ES: "
	37
	38	enum {
	39	ES_cmd_free = 0, /* no command executing */
	40	ES_cmd_processing = 1, /* execution of a read/write command */
	41	ES_read_pending = 2, /* a asynchron read command is pending */
	42	ES_read_finishing = 3, /* a read command has finished waiting (set by
	43	* Interrupt or CancelIrp) */
	44	};
	45
	46	enum lx_stream_status {
	47	LX_STREAM_STATUS_FREE,
	48	/* LX_STREAM_STATUS_OPEN, */
	49	LX_STREAM_STATUS_SCHEDULE_RUN,
	50	/* LX_STREAM_STATUS_STARTED, */
	51	LX_STREAM_STATUS_RUNNING,
	52	LX_STREAM_STATUS_SCHEDULE_STOP,
	53	/* LX_STREAM_STATUS_STOPPED, */
	54	/* LX_STREAM_STATUS_PAUSED */
	55	};
	56
	57
	58	struct lx_stream {
	59	struct snd_pcm_substream *stream;
	60	snd_pcm_uframes_t frame_pos;
	61	enum lx_stream_status status; /* free, open, running, draining
	62	* pause */
f7467452	63	unsigned int is_capture:1;
02bec490 TB	64	};
	65
	66
	67	struct lx6464es {
	68	struct snd_card *card;
	69	struct pci_dev *pci;
	70	int irq;
	71
	72	spinlock_t lock; /* interrupt spinlock */
	73	struct mutex setup_mutex; /* mutex used in hw_params, open
	74	* and close */
	75
	76	struct tasklet_struct trigger_tasklet; /* trigger tasklet */
	77	struct tasklet_struct tasklet_capture;
	78	struct tasklet_struct tasklet_playback;
	79
	80	/* ports */
	81	unsigned long port_plx; /* io port (size=256) */
	82	void __iomem port_plx_remapped; / remapped plx port */
	83	void __iomem port_dsp_bar; / memory port (32-bit,
	84	* non-prefetchable,
	85	* size=8K) */
	86
	87	/* messaging */
	88	spinlock_t msg_lock; /* message spinlock */
02bec490 TB	89	struct lx_rmh rmh;
	90
	91	/* configuration */
	92	uint freq_ratio : 2;
	93	uint playback_mute : 1;
	94	uint hardware_running[2];
	95	u32 board_sample_rate; /* sample rate read from
	96	* board */
02bec490 TB	97	u16 pcm_granularity; /* board blocksize */
	98
	99	/* dma */
	100	struct snd_dma_buffer capture_dma_buf;
	101	struct snd_dma_buffer playback_dma_buf;
	102
	103	/* pcm */
	104	struct snd_pcm *pcm;
	105
	106	/* streams */
	107	struct lx_stream capture_stream;
	108	struct lx_stream playback_stream;
	109	};
	110
	111
	112	#endif /* LX6464ES_H */