/* * Driver for Digigram pcxhr soundcards * * main header file * * Copyright (c) 2004 by Digigram * * 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_PCXHR_H #define __SOUND_PCXHR_H #include #include #include #define PCXHR_DRIVER_VERSION 0x000804 /* 0.8.4 */ #define PCXHR_DRIVER_VERSION_STRING "0.8.4" /* 0.8.4 */ #define PCXHR_MAX_CARDS 6 #define PCXHR_PLAYBACK_STREAMS 4 #define PCXHR_GRANULARITY 96 /* transfer granularity (should be min 96 and multiple of 48) */ #define PCXHR_GRANULARITY_MIN 96 /* transfer granularity of pipes and the dsp time (MBOX4) */ struct snd_pcxhr; struct pcxhr_mgr; struct pcxhr_stream; struct pcxhr_pipe; enum pcxhr_clock_type { PCXHR_CLOCK_TYPE_INTERNAL = 0, PCXHR_CLOCK_TYPE_WORD_CLOCK, PCXHR_CLOCK_TYPE_AES_SYNC, PCXHR_CLOCK_TYPE_AES_1, PCXHR_CLOCK_TYPE_AES_2, PCXHR_CLOCK_TYPE_AES_3, PCXHR_CLOCK_TYPE_AES_4, }; struct pcxhr_mgr { unsigned int num_cards; struct snd_pcxhr *chip[PCXHR_MAX_CARDS]; struct pci_dev *pci; int irq; /* card access with 1 mem bar and 2 io bar's */ unsigned long port[3]; /* share the name */ char shortname[32]; /* short name of this soundcard */ char longname[96]; /* name of this soundcard */ /* message tasklet */ struct tasklet_struct msg_taskq; struct pcxhr_rmh *prmh; /* trigger tasklet */ struct tasklet_struct trigger_taskq; spinlock_t lock; /* interrupt spinlock */ spinlock_t msg_lock; /* message spinlock */ struct mutex setup_mutex; /* mutex used in hw_params, open and close */ struct mutex mixer_mutex; /* mutex for mixer */ /* hardware interface */ unsigned int dsp_loaded; /* bit flags of loaded dsp indices */ unsigned int dsp_version; /* read from embedded once firmware is loaded */ int board_has_analog; /* if 0 the board is digital only */ int mono_capture; /* if 1 the board does mono capture */ int playback_chips; /* 4 or 6 */ int capture_chips; /* 4 or 1 */ int firmware_num; /* 41 or 42 */ struct snd_dma_buffer hostport; enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */ enum pcxhr_clock_type cur_clock_type; /* current clock type synced */ int sample_rate; int ref_count_rate; int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */ int dsp_time_last; /* the last dsp time (read by interrupt) */ int dsp_time_err; /* dsp time errors */ unsigned int src_it_dsp; /* dsp interrupt source */ unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */ unsigned int codec_speed; /* speed mode of the codecs */ unsigned int sample_rate_real; /* current real sample rate */ int last_reg_stat; int async_err_stream_xrun; int async_err_pipe_xrun; int async_err_other_last; }; enum pcxhr_stream_status { PCXHR_STREAM_STATUS_FREE, PCXHR_STREAM_STATUS_OPEN, PCXHR_STREAM_STATUS_SCHEDULE_RUN, PCXHR_STREAM_STATUS_STARTED, PCXHR_STREAM_STATUS_RUNNING, PCXHR_STREAM_STATUS_SCHEDULE_STOP, PCXHR_STREAM_STATUS_STOPPED, PCXHR_STREAM_STATUS_PAUSED }; struct pcxhr_stream { struct snd_pcm_substream *substream; snd_pcm_format_t format; struct pcxhr_pipe *pipe; enum pcxhr_stream_status status; /* free, open, running, draining, pause */ u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */ u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */ u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */ int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */ int channels; }; enum pcxhr_pipe_status { PCXHR_PIPE_UNDEFINED, PCXHR_PIPE_DEFINED }; struct pcxhr_pipe { enum pcxhr_pipe_status status; int is_capture; /* this is a capture pipe */ int first_audio; /* first audio num */ }; struct snd_pcxhr { struct snd_card *card; struct pcxhr_mgr *mgr; int chip_idx; /* zero based */ struct snd_pcm *pcm; /* PCM */ struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */ struct pcxhr_pipe capture_pipe[2]; /* 1 stereo pipe or 2 mono pipes */ struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS]; struct pcxhr_stream capture_stream[2]; /* 1 stereo stream or 2 mono streams */ int nb_streams_play; int nb_streams_capt; 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[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [streams][stereo]*/ int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [streams][stereo]*/ int digital_capture_volume[2]; /* Mixer : Digital Capture Volume [stereo] */ int monitoring_active[2]; /* Mixer : Monitoring Active */ int monitoring_volume[2]; /* Mixer : Monitoring Volume */ int audio_capture_source; /* Mixer : Audio Capture Source */ unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */ }; struct pcxhr_hostport { char purgebuffer[6]; char reserved[2]; }; /* exported */ int pcxhr_create_pcm(struct snd_pcxhr *chip); int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate); int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate); #endif /* __SOUND_PCXHR_H */