217 lines
6.9 KiB
C
217 lines
6.9 KiB
C
/*
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* Driver for Digigram pcxhr soundcards
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*
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* main header file
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*
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* Copyright (c) 2004 by Digigram <alsa@digigram.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __SOUND_PCXHR_H
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#define __SOUND_PCXHR_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 PCXHR_DRIVER_VERSION 0x000906 /* 0.9.6 */
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#define PCXHR_DRIVER_VERSION_STRING "0.9.6" /* 0.9.6 */
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#define PCXHR_MAX_CARDS 6
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#define PCXHR_PLAYBACK_STREAMS 4
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#define PCXHR_GRANULARITY 96 /* min 96 and multiple of 48 */
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/* transfer granularity of pipes and the dsp time (MBOX4) */
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#define PCXHR_GRANULARITY_MIN 96
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/* TODO : granularity could be 64 or 128 */
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#define PCXHR_GRANULARITY_HR22 192 /* granularity for stereo cards */
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struct snd_pcxhr;
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struct pcxhr_mgr;
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struct pcxhr_stream;
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struct pcxhr_pipe;
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enum pcxhr_clock_type {
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PCXHR_CLOCK_TYPE_INTERNAL = 0,
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PCXHR_CLOCK_TYPE_WORD_CLOCK,
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PCXHR_CLOCK_TYPE_AES_SYNC,
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PCXHR_CLOCK_TYPE_AES_1,
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PCXHR_CLOCK_TYPE_AES_2,
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PCXHR_CLOCK_TYPE_AES_3,
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PCXHR_CLOCK_TYPE_AES_4,
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PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
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HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
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HR22_CLOCK_TYPE_AES_SYNC,
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HR22_CLOCK_TYPE_AES_1,
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HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
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};
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struct pcxhr_mgr {
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unsigned int num_cards;
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struct snd_pcxhr *chip[PCXHR_MAX_CARDS];
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struct pci_dev *pci;
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int irq;
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int granularity;
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/* card access with 1 mem bar and 2 io bar's */
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unsigned long port[3];
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/* share the name */
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char shortname[32]; /* short name of this soundcard */
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char longname[96]; /* name of this soundcard */
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/* message tasklet */
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struct tasklet_struct msg_taskq;
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struct pcxhr_rmh *prmh;
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/* trigger tasklet */
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struct tasklet_struct trigger_taskq;
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spinlock_t lock; /* interrupt spinlock */
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spinlock_t msg_lock; /* message spinlock */
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struct mutex setup_mutex; /* mutex used in hw_params, open and close */
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struct mutex mixer_mutex; /* mutex for mixer */
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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 dsp_version; /* read from embedded once firmware is loaded */
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int playback_chips;
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int capture_chips;
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int fw_file_set;
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int firmware_num;
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unsigned int is_hr_stereo:1;
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unsigned int board_has_aes1:1; /* if 1 board has AES1 plug and SRC */
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unsigned int board_has_analog:1; /* if 0 the board is digital only */
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unsigned int board_has_mic:1; /* if 1 the board has microphone input */
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unsigned int board_aes_in_192k:1;/* if 1 the aes input plugs do support 192kHz */
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unsigned int mono_capture:1; /* if 1 the board does mono capture */
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struct snd_dma_buffer hostport;
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enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */
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enum pcxhr_clock_type cur_clock_type; /* current clock type synced */
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int sample_rate;
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int ref_count_rate;
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int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */
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int dsp_time_last; /* the last dsp time (read by interrupt) */
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int dsp_time_err; /* dsp time errors */
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unsigned int src_it_dsp; /* dsp interrupt source */
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unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */
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unsigned int codec_speed; /* speed mode of the codecs */
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unsigned int sample_rate_real; /* current real sample rate */
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int last_reg_stat;
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int async_err_stream_xrun;
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int async_err_pipe_xrun;
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int async_err_other_last;
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unsigned char xlx_cfg; /* copy of PCXHR_XLX_CFG register */
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unsigned char xlx_selmic; /* copy of PCXHR_XLX_SELMIC register */
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unsigned char dsp_reset; /* copy of PCXHR_DSP_RESET register */
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};
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enum pcxhr_stream_status {
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PCXHR_STREAM_STATUS_FREE,
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PCXHR_STREAM_STATUS_OPEN,
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PCXHR_STREAM_STATUS_SCHEDULE_RUN,
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PCXHR_STREAM_STATUS_STARTED,
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PCXHR_STREAM_STATUS_RUNNING,
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PCXHR_STREAM_STATUS_SCHEDULE_STOP,
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PCXHR_STREAM_STATUS_STOPPED,
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PCXHR_STREAM_STATUS_PAUSED
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};
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struct pcxhr_stream {
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struct snd_pcm_substream *substream;
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snd_pcm_format_t format;
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struct pcxhr_pipe *pipe;
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enum pcxhr_stream_status status; /* free, open, running, draining, pause */
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u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */
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u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */
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u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */
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int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */
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int channels;
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};
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enum pcxhr_pipe_status {
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PCXHR_PIPE_UNDEFINED,
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PCXHR_PIPE_DEFINED
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};
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struct pcxhr_pipe {
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enum pcxhr_pipe_status status;
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int is_capture; /* this is a capture pipe */
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int first_audio; /* first audio num */
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};
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struct snd_pcxhr {
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struct snd_card *card;
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struct pcxhr_mgr *mgr;
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int chip_idx; /* zero based */
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struct snd_pcm *pcm; /* PCM */
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struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */
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struct pcxhr_pipe capture_pipe[2]; /* 1 stereo or 2 mono pipes */
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struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
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struct pcxhr_stream capture_stream[2]; /* 1 stereo or 2 mono streams */
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int nb_streams_play;
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int nb_streams_capt;
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int analog_playback_active[2]; /* Mixer : Master Playback !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[PCXHR_PLAYBACK_STREAMS][2];
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int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2];
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int digital_capture_volume[2]; /* Mixer : Digital Capture Volume */
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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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int audio_capture_source; /* Mixer : Audio Capture Source */
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int mic_volume; /* used by cards with MIC only */
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int mic_boost; /* used by cards with MIC only */
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int mic_active; /* used by cards with MIC only */
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int analog_capture_active; /* used by cards with MIC only */
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int phantom_power; /* used by cards with MIC only */
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unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */
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};
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struct pcxhr_hostport
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{
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char purgebuffer[6];
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char reserved[2];
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};
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/* exported */
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int pcxhr_create_pcm(struct snd_pcxhr *chip);
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int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate);
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int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
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enum pcxhr_clock_type clock_type,
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int *sample_rate);
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#endif /* __SOUND_PCXHR_H */
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