diff options
Diffstat (limited to 'sound/pci/mixart/mixart.h')
| -rw-r--r-- | sound/pci/mixart/mixart.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/sound/pci/mixart/mixart.h b/sound/pci/mixart/mixart.h new file mode 100644 index 000000000000..f87152f94c0e --- /dev/null +++ b/sound/pci/mixart/mixart.h @@ -0,0 +1,242 @@ +/* + * 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 */ + + +/* + */ + +#define mixart_t_magic 0xa17a3e01 +#define mixart_mgr_t_magic 0xa17a3e02 + +typedef struct snd_mixart mixart_t; +typedef struct snd_mixart_mgr mixart_mgr_t; + +typedef struct snd_mixart_stream mixart_stream_t; +typedef struct snd_mixart_pipe mixart_pipe_t; + +typedef struct mixart_bufferinfo mixart_bufferinfo_t; +typedef struct mixart_flowinfo mixart_flowinfo_t; +typedef struct mixart_uid mixart_uid_t; + +struct mixart_uid +{ + u32 object_id; + u32 desc; +}; + +struct mem_area { + unsigned long phys; + void __iomem *virt; + struct resource *res; +}; + + +typedef struct mixart_route mixart_route_t; +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 snd_mixart_mgr { + unsigned int num_cards; + mixart_t *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; + + mixart_uid_t 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 snd_mixart_stream { + snd_pcm_substream_t *substream; + mixart_pipe_t *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 snd_mixart_pipe { + mixart_uid_t group_uid; /* id of the pipe, as returned by embedded */ + int stream_count; + mixart_uid_t uid_left_connector; /* UID's for the audio connectors */ + mixart_uid_t uid_right_connector; + enum mixart_pipe_status status; + int references; /* number of subs openned */ + int monitoring; /* pipe used for monitoring issue */ +}; + + +struct snd_mixart { + snd_card_t *card; + mixart_mgr_t *mgr; + int chip_idx; /* zero based */ + snd_hwdep_t *hwdep; /* DSP loader, only for the first card */ + + snd_pcm_t *pcm; /* PCM analog i/o */ + snd_pcm_t *pcm_dig; /* PCM digital i/o */ + + /* allocate stereo pipe for instance */ + mixart_pipe_t pipe_in_ana; + mixart_pipe_t pipe_out_ana; + + /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */ + mixart_pipe_t pipe_in_dig; + mixart_pipe_t pipe_out_dig; + + mixart_stream_t playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */ + mixart_stream_t capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */ + + /* UID's for the physical io's */ + mixart_uid_t uid_out_analog_physio; + mixart_uid_t 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(mixart_t* chip); +mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring); +int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring); + +#endif /* __SOUND_MIXART_H */ |