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Diffstat (limited to 'kernel/sound/pci/mixart/mixart.h')
| -rw-r--r-- | kernel/sound/pci/mixart/mixart.h | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/kernel/sound/pci/mixart/mixart.h b/kernel/sound/pci/mixart/mixart.h new file mode 100644 index 000000000..0cc17e0ea --- /dev/null +++ b/kernel/sound/pci/mixart/mixart.h @@ -0,0 +1,224 @@ +/* + * 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]; + + /* share the name */ + char shortname[32]; /* short name of this soundcard */ + char longname[80]; /* name of this soundcard */ + + /* 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 takslet */ + + 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 */ |