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207 lines
5.8 KiB
207 lines
5.8 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Driver for Digigram miXart soundcards |
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* |
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* main header file |
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* |
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* Copyright (c) 2003 by Digigram <[email protected]> |
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*/ |
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#ifndef __SOUND_MIXART_H |
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#define __SOUND_MIXART_H |
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#include <linux/interrupt.h> |
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#include <linux/mutex.h> |
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#include <sound/pcm.h> |
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#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */ |
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/* |
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*/ |
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struct mixart_uid { |
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u32 object_id; |
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u32 desc; |
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}; |
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struct mem_area { |
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unsigned long phys; |
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void __iomem *virt; |
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struct resource *res; |
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}; |
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struct mixart_route { |
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unsigned char connected; |
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unsigned char phase_inv; |
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int volume; |
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}; |
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/* firmware status codes */ |
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#define MIXART_MOTHERBOARD_XLX_INDEX 0 |
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#define MIXART_MOTHERBOARD_ELF_INDEX 1 |
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#define MIXART_AESEBUBOARD_XLX_INDEX 2 |
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#define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */ |
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#define MIXART_MAX_CARDS 4 |
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#define MSG_FIFO_SIZE 16 |
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#define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */ |
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struct mixart_mgr { |
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unsigned int num_cards; |
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struct snd_mixart *chip[MIXART_MAX_CARDS]; |
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struct pci_dev *pci; |
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int irq; |
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/* memory-maps */ |
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struct mem_area mem[2]; |
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/* one and only blocking message or notification may be pending */ |
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u32 pending_event; |
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wait_queue_head_t msg_sleep; |
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/* messages fifo */ |
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u32 msg_fifo[MSG_FIFO_SIZE]; |
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int msg_fifo_readptr; |
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int msg_fifo_writeptr; |
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atomic_t msg_processed; /* number of messages to be processed in irq thread */ |
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struct mutex lock; /* interrupt lock */ |
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struct mutex msg_lock; /* mailbox lock */ |
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struct mutex setup_mutex; /* mutex used in hw_params, open and close */ |
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/* hardware interface */ |
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unsigned int dsp_loaded; /* bit flags of loaded dsp indices */ |
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unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */ |
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struct snd_dma_buffer flowinfo; |
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struct snd_dma_buffer bufferinfo; |
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struct mixart_uid uid_console_manager; |
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int sample_rate; |
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int ref_count_rate; |
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struct mutex mixer_mutex; /* mutex for mixer */ |
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}; |
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#define MIXART_STREAM_STATUS_FREE 0 |
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#define MIXART_STREAM_STATUS_OPEN 1 |
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#define MIXART_STREAM_STATUS_RUNNING 2 |
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#define MIXART_STREAM_STATUS_DRAINING 3 |
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#define MIXART_STREAM_STATUS_PAUSE 4 |
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#define MIXART_PLAYBACK_STREAMS 4 |
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#define MIXART_CAPTURE_STREAMS 1 |
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#define MIXART_PCM_ANALOG 0 |
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#define MIXART_PCM_DIGITAL 1 |
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#define MIXART_PCM_TOTAL 2 |
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#define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) ) |
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#define MIXART_NOTIFY_CARD_MASK 0xF000 |
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#define MIXART_NOTIFY_CARD_OFFSET 12 |
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#define MIXART_NOTIFY_PCM_MASK 0x0F00 |
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#define MIXART_NOTIFY_PCM_OFFSET 8 |
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#define MIXART_NOTIFY_CAPT_MASK 0x0080 |
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#define MIXART_NOTIFY_SUBS_MASK 0x007F |
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struct mixart_stream { |
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struct snd_pcm_substream *substream; |
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struct mixart_pipe *pipe; |
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int pcm_number; |
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int status; /* nothing, running, draining */ |
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u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */ |
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u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */ |
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u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */ |
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int channels; |
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}; |
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enum mixart_pipe_status { |
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PIPE_UNDEFINED, |
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PIPE_STOPPED, |
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PIPE_RUNNING, |
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PIPE_CLOCK_SET |
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}; |
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struct mixart_pipe { |
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struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */ |
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int stream_count; |
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struct mixart_uid uid_left_connector; /* UID's for the audio connectors */ |
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struct mixart_uid uid_right_connector; |
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enum mixart_pipe_status status; |
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int references; /* number of subs openned */ |
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int monitoring; /* pipe used for monitoring issue */ |
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}; |
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struct snd_mixart { |
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struct snd_card *card; |
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struct mixart_mgr *mgr; |
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int chip_idx; /* zero based */ |
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struct snd_hwdep *hwdep; /* DSP loader, only for the first card */ |
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struct snd_pcm *pcm; /* PCM analog i/o */ |
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struct snd_pcm *pcm_dig; /* PCM digital i/o */ |
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/* allocate stereo pipe for instance */ |
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struct mixart_pipe pipe_in_ana; |
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struct mixart_pipe pipe_out_ana; |
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/* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */ |
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struct mixart_pipe pipe_in_dig; |
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struct mixart_pipe pipe_out_dig; |
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struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */ |
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struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */ |
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/* UID's for the physical io's */ |
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struct mixart_uid uid_out_analog_physio; |
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struct mixart_uid uid_in_analog_physio; |
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int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */ |
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int analog_playback_volume[2]; /* Mixer : Master Playback Volume */ |
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int analog_capture_volume[2]; /* Mixer : Master Capture Volume */ |
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int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/ |
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int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/ |
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int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */ |
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int monitoring_active[2]; /* Mixer : Monitoring Active */ |
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int monitoring_volume[2]; /* Mixer : Monitoring Volume */ |
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}; |
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struct mixart_bufferinfo |
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{ |
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u32 buffer_address; |
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u32 reserved[5]; |
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u32 available_length; |
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u32 buffer_id; |
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}; |
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struct mixart_flowinfo |
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{ |
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u32 bufferinfo_array_phy_address; |
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u32 reserved[11]; |
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u32 bufferinfo_count; |
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u32 capture; |
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}; |
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/* exported */ |
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int snd_mixart_create_pcm(struct snd_mixart * chip); |
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struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring); |
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int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring); |
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#endif /* __SOUND_MIXART_H */
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