--- /dev/null
+/*
+ * Driver for Digigram pcxhr soundcards
+ *
+ * main header file
+ *
+ * Copyright (c) 2004 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_PCXHR_H
+#define __SOUND_PCXHR_H
+
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <sound/pcm.h>
+
+#define PCXHR_DRIVER_VERSION 0x000906 /* 0.9.6 */
+#define PCXHR_DRIVER_VERSION_STRING "0.9.6" /* 0.9.6 */
+
+
+#define PCXHR_MAX_CARDS 6
+#define PCXHR_PLAYBACK_STREAMS 4
+
+#define PCXHR_GRANULARITY 96 /* min 96 and multiple of 48 */
+/* transfer granularity of pipes and the dsp time (MBOX4) */
+#define PCXHR_GRANULARITY_MIN 96
+/* TODO : granularity could be 64 or 128 */
+#define PCXHR_GRANULARITY_HR22 192 /* granularity for stereo cards */
+
+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,
+ PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
+ HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
+ HR22_CLOCK_TYPE_AES_SYNC,
+ HR22_CLOCK_TYPE_AES_1,
+ HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
+};
+
+struct pcxhr_mgr {
+ unsigned int num_cards;
+ struct snd_pcxhr *chip[PCXHR_MAX_CARDS];
+
+ struct pci_dev *pci;
+
+ int irq;
+
+ int granularity;
+
+ /* 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 */
+
+ struct pcxhr_rmh *prmh;
+
+ struct mutex lock; /* interrupt lock */
+ struct mutex msg_lock; /* message lock */
+
+ 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 playback_chips;
+ int capture_chips;
+ int fw_file_set;
+ int firmware_num;
+ unsigned int is_hr_stereo:1;
+ unsigned int board_has_aes1:1; /* if 1 board has AES1 plug and SRC */
+ unsigned int board_has_analog:1; /* if 0 the board is digital only */
+ unsigned int board_has_mic:1; /* if 1 the board has microphone input */
+ unsigned int board_aes_in_192k:1;/* if 1 the aes input plugs do support 192kHz */
+ unsigned int mono_capture:1; /* if 1 the board does mono capture */
+ unsigned int capture_ltc:1; /* if 1 the board captures LTC input */
+
+ 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;
+
+ unsigned char xlx_cfg; /* copy of PCXHR_XLX_CFG register */
+ unsigned char xlx_selmic; /* copy of PCXHR_XLX_SELMIC register */
+ unsigned char dsp_reset; /* copy of PCXHR_DSP_RESET register */
+};
+
+
+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 or 2 mono pipes */
+
+ struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
+ struct pcxhr_stream capture_stream[2]; /* 1 stereo or 2 mono streams */
+ int nb_streams_play;
+ int nb_streams_capt;
+
+ int analog_playback_active[2]; /* Mixer : Master Playback !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];
+ int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2];
+ int digital_capture_volume[2]; /* Mixer : Digital Capture Volume */
+ int monitoring_active[2]; /* Mixer : Monitoring Active */
+ int monitoring_volume[2]; /* Mixer : Monitoring Volume */
+ int audio_capture_source; /* Mixer : Audio Capture Source */
+ int mic_volume; /* used by cards with MIC only */
+ int mic_boost; /* used by cards with MIC only */
+ int mic_active; /* used by cards with MIC only */
+ int analog_capture_active; /* used by cards with MIC only */
+ int phantom_power; /* used by cards with MIC only */
+
+ 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 */
Code Review / kvmfornfv.git / blobdiff