[linux-2.6-block.git] / sound / pci / mixart / mixart.h

/*
 * Driver for Digigram miXart soundcards
 *
 * main header file
 *
 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
 *
 *   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
 */

#ifndef __SOUND_MIXART_H
#define __SOUND_MIXART_H

#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <sound/pcm.h>

#define MIXART_DRIVER_VERSION	0x000100	/* 0.1.0 */


/*
 */

struct mixart_uid {
	u32 object_id;
	u32 desc;
};

struct mem_area {
	unsigned long phys;
	void __iomem *virt;
	struct resource *res;
};


struct mixart_route {
	unsigned char connected;
	unsigned char phase_inv;
	int volume;
};


/* firmware status codes  */
#define MIXART_MOTHERBOARD_XLX_INDEX  0
#define MIXART_MOTHERBOARD_ELF_INDEX  1
#define MIXART_AESEBUBOARD_XLX_INDEX  2
#define MIXART_HARDW_FILES_MAX_INDEX  3  /* xilinx, elf, AESEBU xilinx */

#define MIXART_MAX_CARDS	4
#define MSG_FIFO_SIZE           16

#define MIXART_MAX_PHYS_CONNECTORS  (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */

struct mixart_mgr {
	unsigned int num_cards;
	struct snd_mixart *chip[MIXART_MAX_CARDS];

	struct pci_dev *pci;

	int irq;

	/* memory-maps */
	struct mem_area mem[2];

	/* one and only blocking message or notification may be pending  */
	u32 pending_event;
	wait_queue_head_t msg_sleep;

	/* messages fifo */
	u32 msg_fifo[MSG_FIFO_SIZE];
	int msg_fifo_readptr;
	int msg_fifo_writeptr;
	atomic_t msg_processed;       /* number of messages to be processed in tasklet */

	struct mutex lock;              /* interrupt lock */
	struct mutex msg_lock;		/* mailbox lock */

	struct mutex setup_mutex; /* mutex used in hw_params, open and close */

	/* hardware interface */
	unsigned int dsp_loaded;      /* bit flags of loaded dsp indices */
	unsigned int board_type;      /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */

	struct snd_dma_buffer flowinfo;
	struct snd_dma_buffer bufferinfo;

	struct mixart_uid         uid_console_manager;
	int sample_rate;
	int ref_count_rate;

	struct mutex mixer_mutex; /* mutex for mixer */

};


#define MIXART_STREAM_STATUS_FREE	0
#define MIXART_STREAM_STATUS_OPEN	1
#define MIXART_STREAM_STATUS_RUNNING	2
#define MIXART_STREAM_STATUS_DRAINING	3
#define MIXART_STREAM_STATUS_PAUSE	4

#define MIXART_PLAYBACK_STREAMS		4
#define MIXART_CAPTURE_STREAMS		1

#define MIXART_PCM_ANALOG		0
#define MIXART_PCM_DIGITAL		1
#define MIXART_PCM_TOTAL		2

#define MIXART_MAX_STREAM_PER_CARD  (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )


#define MIXART_NOTIFY_CARD_MASK		0xF000
#define MIXART_NOTIFY_CARD_OFFSET	12
#define MIXART_NOTIFY_PCM_MASK		0x0F00
#define MIXART_NOTIFY_PCM_OFFSET	8
#define MIXART_NOTIFY_CAPT_MASK		0x0080
#define MIXART_NOTIFY_SUBS_MASK		0x007F


struct mixart_stream {
	struct snd_pcm_substream *substream;
	struct mixart_pipe *pipe;
	int pcm_number;

	int status;      /* nothing, running, draining */

	u64  abs_period_elapsed;  /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
	u32  buf_periods;         /* periods counter in the buffer (< runtime->periods) */
	u32  buf_period_frag;     /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */

	int channels;
};


enum mixart_pipe_status {
	PIPE_UNDEFINED,
	PIPE_STOPPED,
	PIPE_RUNNING,
	PIPE_CLOCK_SET
};

struct mixart_pipe {
	struct mixart_uid group_uid;			/* id of the pipe, as returned by embedded */
	int          stream_count;
	struct mixart_uid uid_left_connector;	/* UID's for the audio connectors */
	struct mixart_uid uid_right_connector;
	enum mixart_pipe_status status;
	int references;             /* number of subs openned */
	int monitoring;             /* pipe used for monitoring issue */
};


struct snd_mixart {
	struct snd_card *card;
	struct mixart_mgr *mgr;
	int chip_idx;               /* zero based */
	struct snd_hwdep *hwdep;	    /* DSP loader, only for the first card */

	struct snd_pcm *pcm;             /* PCM analog i/o */
	struct snd_pcm *pcm_dig;         /* PCM digital i/o */

	/* allocate stereo pipe for instance */
	struct mixart_pipe pipe_in_ana;
	struct mixart_pipe pipe_out_ana;

	/* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
	struct mixart_pipe pipe_in_dig;
	struct mixart_pipe pipe_out_dig;

	struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
	struct mixart_stream capture_stream[MIXART_PCM_TOTAL];                           /* 0 = pcm, 1 = pcm_dig */

	/* UID's for the physical io's */
	struct mixart_uid uid_out_analog_physio;
	struct mixart_uid uid_in_analog_physio;

	int analog_playback_active[2];		/* Mixer : Master Playback active (!mute) */
	int analog_playback_volume[2];		/* Mixer : Master Playback Volume */
	int analog_capture_volume[2];		/* Mixer : Master Capture Volume */
	int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2];	/* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
	int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2];	/* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
	int digital_capture_volume[2][2];	/* Mixer : Digital Capture Volume [analog+AES output][stereo] */
	int monitoring_active[2];		/* Mixer : Monitoring Active */
	int monitoring_volume[2];		/* Mixer : Monitoring Volume */
};

struct mixart_bufferinfo
{
	u32 buffer_address;
	u32 reserved[5];
	u32 available_length;
	u32 buffer_id;
};

struct mixart_flowinfo
{
	u32 bufferinfo_array_phy_address;
	u32 reserved[11];
	u32 bufferinfo_count;
	u32 capture;
};

/* exported */
int snd_mixart_create_pcm(struct snd_mixart * chip);
struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring);
int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring);

#endif /* __SOUND_MIXART_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Driver for Digigram miXart soundcards
	3	*
	4	* main header file
	5	*
	6	* Copyright (c) 2003 by Digigram <alsa@digigram.com>
	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; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*/
	22
	23	#ifndef __SOUND_MIXART_H
	24	#define __SOUND_MIXART_H
	25
	26	#include <linux/interrupt.h>
62932df8	27	#include <linux/mutex.h>
1da177e4 LT	28	#include <sound/pcm.h>
	29
	30	#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
	31
	32
	33	/*
	34	*/
	35
67b48b88	36	struct mixart_uid {
1da177e4 LT	37	u32 object_id;
	38	u32 desc;
	39	};
	40
	41	struct mem_area {
	42	unsigned long phys;
	43	void __iomem *virt;
	44	struct resource *res;
	45	};
	46
	47
1da177e4 LT	48	struct mixart_route {
	49	unsigned char connected;
	50	unsigned char phase_inv;
	51	int volume;
	52	};
	53
	54
	55	/* firmware status codes */
	56	#define MIXART_MOTHERBOARD_XLX_INDEX 0
	57	#define MIXART_MOTHERBOARD_ELF_INDEX 1
	58	#define MIXART_AESEBUBOARD_XLX_INDEX 2
	59	#define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */
	60
	61	#define MIXART_MAX_CARDS 4
	62	#define MSG_FIFO_SIZE 16
	63
	64	#define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
	65
67b48b88	66	struct mixart_mgr {
1da177e4	67	unsigned int num_cards;
67b48b88	68	struct snd_mixart *chip[MIXART_MAX_CARDS];
1da177e4 LT	69
	70	struct pci_dev *pci;
	71
	72	int irq;
	73
	74	/* memory-maps */
	75	struct mem_area mem[2];
	76
1da177e4 LT	77	/* one and only blocking message or notification may be pending */
	78	u32 pending_event;
	79	wait_queue_head_t msg_sleep;
	80
8d3a8b5c	81	/* messages fifo */
1da177e4 LT	82	u32 msg_fifo[MSG_FIFO_SIZE];
	83	int msg_fifo_readptr;
	84	int msg_fifo_writeptr;
1c623c24	85	atomic_t msg_processed; /* number of messages to be processed in tasklet */
1da177e4	86
8d3a8b5c TI	87	struct mutex lock; /* interrupt lock */
8d3a8b5c TI	88	struct mutex msg_lock; /* mailbox lock */
1da177e4	89
62932df8	90	struct mutex setup_mutex; /* mutex used in hw_params, open and close */
1da177e4 LT	91
	92	/* hardware interface */
	93	unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
	94	unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
	95
	96	struct snd_dma_buffer flowinfo;
	97	struct snd_dma_buffer bufferinfo;
	98
67b48b88	99	struct mixart_uid uid_console_manager;
1da177e4 LT	100	int sample_rate;
	101	int ref_count_rate;
	102
62932df8	103	struct mutex mixer_mutex; /* mutex for mixer */
1da177e4 LT	104
	105	};
	106
	107
	108	#define MIXART_STREAM_STATUS_FREE 0
	109	#define MIXART_STREAM_STATUS_OPEN 1
	110	#define MIXART_STREAM_STATUS_RUNNING 2
	111	#define MIXART_STREAM_STATUS_DRAINING 3
	112	#define MIXART_STREAM_STATUS_PAUSE 4
	113
	114	#define MIXART_PLAYBACK_STREAMS 4
	115	#define MIXART_CAPTURE_STREAMS 1
	116
	117	#define MIXART_PCM_ANALOG 0
	118	#define MIXART_PCM_DIGITAL 1
	119	#define MIXART_PCM_TOTAL 2
	120
	121	#define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
	122
	123
	124	#define MIXART_NOTIFY_CARD_MASK 0xF000
	125	#define MIXART_NOTIFY_CARD_OFFSET 12
	126	#define MIXART_NOTIFY_PCM_MASK 0x0F00
	127	#define MIXART_NOTIFY_PCM_OFFSET 8
	128	#define MIXART_NOTIFY_CAPT_MASK 0x0080
	129	#define MIXART_NOTIFY_SUBS_MASK 0x007F
	130
	131
67b48b88 TI	132	struct mixart_stream {
	133	struct snd_pcm_substream *substream;
	134	struct mixart_pipe *pipe;
1da177e4 LT	135	int pcm_number;
	136
	137	int status; /* nothing, running, draining */
	138
	139	u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
	140	u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */
	141	u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
	142
	143	int channels;
	144	};
	145
	146
	147	enum mixart_pipe_status {
	148	PIPE_UNDEFINED,
	149	PIPE_STOPPED,
	150	PIPE_RUNNING,
	151	PIPE_CLOCK_SET
	152	};
	153
67b48b88 TI	154	struct mixart_pipe {
67b48b88 TI	155	struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */
1da177e4	156	int stream_count;
67b48b88 TI	157	struct mixart_uid uid_left_connector; /* UID's for the audio connectors */
67b48b88 TI	158	struct mixart_uid uid_right_connector;
1da177e4 LT	159	enum mixart_pipe_status status;
	160	int references; /* number of subs openned */
	161	int monitoring; /* pipe used for monitoring issue */
	162	};
	163
	164
	165	struct snd_mixart {
67b48b88 TI	166	struct snd_card *card;
67b48b88 TI	167	struct mixart_mgr *mgr;
1da177e4	168	int chip_idx; /* zero based */
67b48b88	169	struct snd_hwdep hwdep; / DSP loader, only for the first card */
1da177e4	170
67b48b88 TI	171	struct snd_pcm pcm; / PCM analog i/o */
67b48b88 TI	172	struct snd_pcm pcm_dig; / PCM digital i/o */
1da177e4 LT	173
1da177e4 LT	174	/* allocate stereo pipe for instance */
67b48b88 TI	175	struct mixart_pipe pipe_in_ana;
67b48b88 TI	176	struct mixart_pipe pipe_out_ana;
1da177e4 LT	177
1da177e4 LT	178	/* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
67b48b88 TI	179	struct mixart_pipe pipe_in_dig;
67b48b88 TI	180	struct mixart_pipe pipe_out_dig;
1da177e4	181
67b48b88 TI	182	struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
67b48b88 TI	183	struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */
1da177e4 LT	184
1da177e4 LT	185	/* UID's for the physical io's */
67b48b88 TI	186	struct mixart_uid uid_out_analog_physio;
67b48b88 TI	187	struct mixart_uid uid_in_analog_physio;
1da177e4 LT	188
	189	int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
	190	int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
	191	int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
	192	int digital_playback_active[2MIXART_PLAYBACK_STREAMS][2]; / Mixer : Digital Playback Active [(analog+AES output)streams][stereo]/
	193	int digital_playback_volume[2MIXART_PLAYBACK_STREAMS][2]; / Mixer : Digital Playback Volume [(analog+AES output)streams][stereo]/
	194	int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
	195	int monitoring_active[2]; /* Mixer : Monitoring Active */
	196	int monitoring_volume[2]; /* Mixer : Monitoring Volume */
	197	};
	198
	199	struct mixart_bufferinfo
	200	{
	201	u32 buffer_address;
	202	u32 reserved[5];
	203	u32 available_length;
	204	u32 buffer_id;
	205	};
	206
	207	struct mixart_flowinfo
	208	{
	209	u32 bufferinfo_array_phy_address;
	210	u32 reserved[11];
	211	u32 bufferinfo_count;
	212	u32 capture;
	213	};
	214
	215	/* exported */
67b48b88 TI	216	int snd_mixart_create_pcm(struct snd_mixart * chip);
	217	struct mixart_pipe snd_mixart_add_ref_pipe(struct snd_mixart chip, int pcm_number, int capture, int monitoring);
	218	int snd_mixart_kill_ref_pipe(struct mixart_mgr mgr, struct mixart_pipe pipe, int monitoring);
1da177e4 LT	219
1da177e4 LT	220	#endif /* __SOUND_MIXART_H */