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/*
* 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 <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];
/* share the name */
char shortname[32]; /* short name of this soundcard */
char longname[80]; /* name of this soundcard */
/* message tasklet */
struct tasklet_struct msg_taskq;
/* one and only blocking message or notification may be pending */
u32 pending_event;
wait_queue_head_t msg_sleep;
/* messages stored for tasklet */
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 takslet */
spinlock_t lock; /* interrupt spinlock */
spinlock_t msg_lock; /* mailbox spinlock */
struct semaphore msg_mutex; /* mutex for blocking_requests */
struct semaphore 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 semaphore 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 */
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