558 lines
16 KiB
C
558 lines
16 KiB
C
/*
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* Driver for Digigram VX soundcards
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*
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* Hardware core part
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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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_VX_COMMON_H
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#define __SOUND_VX_COMMON_H
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#include <sound/pcm.h>
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#include <sound/hwdep.h>
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#include <linux/interrupt.h>
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#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
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#if !defined(CONFIG_USE_VXLOADER) && !defined(CONFIG_SND_VX_LIB) /* built-in kernel */
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#define SND_VX_FW_LOADER /* use the standard firmware loader */
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#endif
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#endif
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struct firmware;
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struct device;
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#define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */
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/*
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*/
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#define SIZE_MAX_CMD 0x10
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#define SIZE_MAX_STATUS 0x10
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struct vx_rmh {
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u16 LgCmd; /* length of the command to send (WORDs) */
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u16 LgStat; /* length of the status received (WORDs) */
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u32 Cmd[SIZE_MAX_CMD];
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u32 Stat[SIZE_MAX_STATUS];
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u16 DspStat; /* status type, RMP_SSIZE_XXX */
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};
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typedef u64 pcx_time_t;
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#define VX_MAX_PIPES 16
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#define VX_MAX_PERIODS 32
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#define VX_MAX_CODECS 2
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struct vx_ibl_info {
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int size; /* the current IBL size (0 = query) in bytes */
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int max_size; /* max. IBL size in bytes */
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int min_size; /* min. IBL size in bytes */
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int granularity; /* granularity */
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};
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struct vx_pipe {
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int number;
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unsigned int is_capture: 1;
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unsigned int data_mode: 1;
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unsigned int running: 1;
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unsigned int prepared: 1;
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int channels;
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unsigned int differed_type;
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pcx_time_t pcx_time;
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struct snd_pcm_substream *substream;
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int hbuf_size; /* H-buffer size in bytes */
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int buffer_bytes; /* the ALSA pcm buffer size in bytes */
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int period_bytes; /* the ALSA pcm period size in bytes */
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int hw_ptr; /* the current hardware pointer in bytes */
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int position; /* the current position in frames (playback only) */
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int transferred; /* the transferred size (per period) in frames */
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int align; /* size of alignment */
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u64 cur_count; /* current sample position (for playback) */
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unsigned int references; /* an output pipe may be used for monitoring and/or playback */
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struct vx_pipe *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/
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struct tasklet_struct start_tq;
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};
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struct vx_core;
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struct snd_vx_ops {
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/* low-level i/o */
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unsigned char (*in8)(struct vx_core *chip, int reg);
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unsigned int (*in32)(struct vx_core *chip, int reg);
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void (*out8)(struct vx_core *chip, int reg, unsigned char val);
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void (*out32)(struct vx_core *chip, int reg, unsigned int val);
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/* irq */
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int (*test_and_ack)(struct vx_core *chip);
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void (*validate_irq)(struct vx_core *chip, int enable);
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/* codec */
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void (*write_codec)(struct vx_core *chip, int codec, unsigned int data);
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void (*akm_write)(struct vx_core *chip, int reg, unsigned int data);
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void (*reset_codec)(struct vx_core *chip);
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void (*change_audio_source)(struct vx_core *chip, int src);
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void (*set_clock_source)(struct vx_core *chp, int src);
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/* chip init */
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int (*load_dsp)(struct vx_core *chip, int idx, const struct firmware *fw);
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void (*reset_dsp)(struct vx_core *chip);
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void (*reset_board)(struct vx_core *chip, int cold_reset);
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int (*add_controls)(struct vx_core *chip);
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/* pcm */
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void (*dma_write)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
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struct vx_pipe *pipe, int count);
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void (*dma_read)(struct vx_core *chip, struct snd_pcm_runtime *runtime,
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struct vx_pipe *pipe, int count);
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};
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struct snd_vx_hardware {
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const char *name;
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int type; /* VX_TYPE_XXX */
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/* hardware specs */
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unsigned int num_codecs;
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unsigned int num_ins;
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unsigned int num_outs;
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unsigned int output_level_max;
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const unsigned int *output_level_db_scale;
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};
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/* hwdep id string */
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#define SND_VX_HWDEP_ID "VX Loader"
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/* hardware type */
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enum {
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/* VX222 PCI */
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VX_TYPE_BOARD, /* old VX222 PCI */
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VX_TYPE_V2, /* VX222 V2 PCI */
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VX_TYPE_MIC, /* VX222 Mic PCI */
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/* VX-pocket */
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VX_TYPE_VXPOCKET, /* VXpocket V2 */
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VX_TYPE_VXP440, /* VXpocket 440 */
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VX_TYPE_NUMS
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};
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/* chip status */
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enum {
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VX_STAT_XILINX_LOADED = (1 << 0), /* devices are registered */
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VX_STAT_DEVICE_INIT = (1 << 1), /* devices are registered */
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VX_STAT_CHIP_INIT = (1 << 2), /* all operational */
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VX_STAT_IN_SUSPEND = (1 << 10), /* in suspend phase */
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VX_STAT_IS_STALE = (1 << 15) /* device is stale */
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};
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/* min/max values for analog output for old codecs */
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#define VX_ANALOG_OUT_LEVEL_MAX 0xe3
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struct vx_core {
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/* ALSA stuff */
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struct snd_card *card;
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struct snd_pcm *pcm[VX_MAX_CODECS];
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int type; /* VX_TYPE_XXX */
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int irq;
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/* ports are defined externally */
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/* low-level functions */
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struct snd_vx_hardware *hw;
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struct snd_vx_ops *ops;
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spinlock_t lock;
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spinlock_t irq_lock;
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struct tasklet_struct tq;
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unsigned int chip_status;
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unsigned int pcm_running;
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struct device *dev;
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struct snd_hwdep *hwdep;
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struct vx_rmh irq_rmh; /* RMH used in interrupts */
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unsigned int audio_info; /* see VX_AUDIO_INFO */
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unsigned int audio_ins;
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unsigned int audio_outs;
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struct vx_pipe **playback_pipes;
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struct vx_pipe **capture_pipes;
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/* clock and audio sources */
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unsigned int audio_source; /* current audio input source */
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unsigned int audio_source_target;
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unsigned int clock_mode; /* clock mode (VX_CLOCK_MODE_XXX) */
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unsigned int clock_source; /* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
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unsigned int freq; /* current frequency */
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unsigned int freq_detected; /* detected frequency from digital in */
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unsigned int uer_detected; /* VX_UER_MODE_XXX */
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unsigned int uer_bits; /* IEC958 status bits */
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struct vx_ibl_info ibl; /* IBL information */
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/* mixer setting */
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int output_level[VX_MAX_CODECS][2]; /* analog output level */
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int audio_gain[2][4]; /* digital audio level (playback/capture) */
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unsigned char audio_active[4]; /* mute/unmute on digital playback */
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int audio_monitor[4]; /* playback hw-monitor level */
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unsigned char audio_monitor_active[4]; /* playback hw-monitor mute/unmute */
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struct mutex mixer_mutex;
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const struct firmware *firmware[4]; /* loaded firmware data */
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};
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/*
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* constructor
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*/
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struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
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struct snd_vx_ops *ops, int extra_size);
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int snd_vx_setup_firmware(struct vx_core *chip);
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int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *dsp);
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int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *dsp);
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int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp);
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void snd_vx_free_firmware(struct vx_core *chip);
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/*
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* interrupt handler; exported for pcmcia
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*/
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irqreturn_t snd_vx_irq_handler(int irq, void *dev);
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/*
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* lowlevel functions
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*/
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static inline int vx_test_and_ack(struct vx_core *chip)
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{
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return chip->ops->test_and_ack(chip);
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}
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static inline void vx_validate_irq(struct vx_core *chip, int enable)
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{
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chip->ops->validate_irq(chip, enable);
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}
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static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg)
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{
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return chip->ops->in8(chip, reg);
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}
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static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg)
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{
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return chip->ops->in32(chip, reg);
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}
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static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val)
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{
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chip->ops->out8(chip, reg, val);
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}
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static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val)
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{
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chip->ops->out32(chip, reg, val);
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}
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#define vx_inb(chip,reg) snd_vx_inb(chip, VX_##reg)
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#define vx_outb(chip,reg,val) snd_vx_outb(chip, VX_##reg,val)
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#define vx_inl(chip,reg) snd_vx_inl(chip, VX_##reg)
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#define vx_outl(chip,reg,val) snd_vx_outl(chip, VX_##reg,val)
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static inline void vx_reset_dsp(struct vx_core *chip)
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{
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chip->ops->reset_dsp(chip);
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}
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int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh);
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int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh);
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int vx_send_rih(struct vx_core *chip, int cmd);
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int vx_send_rih_nolock(struct vx_core *chip, int cmd);
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void vx_reset_codec(struct vx_core *chip, int cold_reset);
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/*
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* check the bit on the specified register
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* returns zero if a bit matches, or a negative error code.
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* exported for vxpocket driver
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*/
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int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time);
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#define vx_check_isr(chip,mask,bit,time) snd_vx_check_reg_bit(chip, VX_ISR, mask, bit, time)
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#define vx_wait_isr_bit(chip,bit) vx_check_isr(chip, bit, bit, 200)
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#define vx_wait_for_rx_full(chip) vx_wait_isr_bit(chip, ISR_RX_FULL)
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/*
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* pseudo-DMA transfer
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*/
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static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime,
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struct vx_pipe *pipe, int count)
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{
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chip->ops->dma_write(chip, runtime, pipe, count);
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}
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static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime,
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struct vx_pipe *pipe, int count)
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{
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chip->ops->dma_read(chip, runtime, pipe, count);
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}
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/* error with hardware code,
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* the return value is -(VX_ERR_MASK | actual-hw-error-code)
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*/
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#define VX_ERR_MASK 0x1000000
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#define vx_get_error(err) (-(err) & ~VX_ERR_MASK)
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/*
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* pcm stuff
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*/
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int snd_vx_pcm_new(struct vx_core *chip);
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void vx_pcm_update_intr(struct vx_core *chip, unsigned int events);
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/*
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* mixer stuff
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*/
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int snd_vx_mixer_new(struct vx_core *chip);
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void vx_toggle_dac_mute(struct vx_core *chip, int mute);
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int vx_sync_audio_source(struct vx_core *chip);
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int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
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/*
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* IEC958 & clock stuff
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*/
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void vx_set_iec958_status(struct vx_core *chip, unsigned int bits);
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int vx_set_clock(struct vx_core *chip, unsigned int freq);
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void vx_set_internal_clock(struct vx_core *chip, unsigned int freq);
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int vx_change_frequency(struct vx_core *chip);
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/*
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* PM
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*/
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int snd_vx_suspend(struct vx_core *card, pm_message_t state);
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int snd_vx_resume(struct vx_core *card);
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/*
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* hardware constants
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*/
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#define vx_has_new_dsp(chip) ((chip)->type != VX_TYPE_BOARD)
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#define vx_is_pcmcia(chip) ((chip)->type >= VX_TYPE_VXPOCKET)
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/* audio input source */
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enum {
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VX_AUDIO_SRC_DIGITAL,
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VX_AUDIO_SRC_LINE,
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VX_AUDIO_SRC_MIC
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};
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/* clock source */
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enum {
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INTERNAL_QUARTZ,
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UER_SYNC
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};
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/* clock mode */
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enum {
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VX_CLOCK_MODE_AUTO, /* depending on the current audio source */
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VX_CLOCK_MODE_INTERNAL, /* fixed to internal quartz */
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VX_CLOCK_MODE_EXTERNAL /* fixed to UER sync */
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};
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/* SPDIF/UER type */
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enum {
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VX_UER_MODE_CONSUMER,
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VX_UER_MODE_PROFESSIONAL,
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VX_UER_MODE_NOT_PRESENT,
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};
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/* register indices */
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enum {
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VX_ICR,
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VX_CVR,
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VX_ISR,
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VX_IVR,
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VX_RXH,
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VX_TXH = VX_RXH,
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VX_RXM,
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VX_TXM = VX_RXM,
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VX_RXL,
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VX_TXL = VX_RXL,
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VX_DMA,
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VX_CDSP,
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VX_RFREQ,
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VX_RUER_V2,
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VX_GAIN,
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VX_DATA = VX_GAIN,
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VX_MEMIRQ,
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VX_ACQ,
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VX_BIT0,
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VX_BIT1,
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VX_MIC0,
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VX_MIC1,
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VX_MIC2,
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VX_MIC3,
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VX_PLX0,
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VX_PLX1,
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VX_PLX2,
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VX_LOFREQ, // V2: ACQ, VP: RFREQ
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VX_HIFREQ, // V2: BIT0, VP: RUER_V2
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VX_CSUER, // V2: BIT1, VP: BIT0
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VX_RUER, // V2: RUER_V2, VP: BIT1
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VX_REG_MAX,
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/* aliases for VX board */
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VX_RESET_DMA = VX_ISR,
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VX_CFG = VX_RFREQ,
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VX_STATUS = VX_MEMIRQ,
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VX_SELMIC = VX_MIC0,
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VX_COMPOT = VX_MIC1,
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VX_SCOMPR = VX_MIC2,
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VX_GLIMIT = VX_MIC3,
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VX_INTCSR = VX_PLX0,
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VX_CNTRL = VX_PLX1,
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VX_GPIOC = VX_PLX2,
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/* aliases for VXPOCKET board */
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VX_MICRO = VX_MEMIRQ,
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VX_CODEC2 = VX_MEMIRQ,
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VX_DIALOG = VX_ACQ,
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};
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/* RMH status type */
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enum {
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RMH_SSIZE_FIXED = 0, /* status size given by the driver (in LgStat) */
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RMH_SSIZE_ARG = 1, /* status size given in the LSB byte */
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RMH_SSIZE_MASK = 2, /* status size given in bitmask */
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};
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/* bits for ICR register */
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#define ICR_HF1 0x10
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#define ICR_HF0 0x08
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#define ICR_TREQ 0x02 /* Interrupt mode + HREQ set on for transfer (->DSP) request */
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#define ICR_RREQ 0x01 /* Interrupt mode + RREQ set on for transfer (->PC) request */
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/* bits for CVR register */
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#define CVR_HC 0x80
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/* bits for ISR register */
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#define ISR_HF3 0x10
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#define ISR_HF2 0x08
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#define ISR_CHK 0x10
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#define ISR_ERR 0x08
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#define ISR_TX_READY 0x04
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#define ISR_TX_EMPTY 0x02
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#define ISR_RX_FULL 0x01
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/* Constants used to access the DATA register */
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#define VX_DATA_CODEC_MASK 0x80
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#define VX_DATA_XICOR_MASK 0x80
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/* Constants used to access the CSUER register (both for VX2 and VXP) */
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#define VX_SUER_FREQ_MASK 0x0c
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#define VX_SUER_FREQ_32KHz_MASK 0x0c
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#define VX_SUER_FREQ_44KHz_MASK 0x00
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#define VX_SUER_FREQ_48KHz_MASK 0x04
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#define VX_SUER_DATA_PRESENT_MASK 0x02
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#define VX_SUER_CLOCK_PRESENT_MASK 0x01
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#define VX_CUER_HH_BITC_SEL_MASK 0x08
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#define VX_CUER_MH_BITC_SEL_MASK 0x04
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#define VX_CUER_ML_BITC_SEL_MASK 0x02
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#define VX_CUER_LL_BITC_SEL_MASK 0x01
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#define XX_UER_CBITS_OFFSET_MASK 0x1f
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/* bits for audio_info */
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#define VX_AUDIO_INFO_REAL_TIME (1<<0) /* real-time processing available */
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#define VX_AUDIO_INFO_OFFLINE (1<<1) /* offline processing available */
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#define VX_AUDIO_INFO_MPEG1 (1<<5)
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#define VX_AUDIO_INFO_MPEG2 (1<<6)
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#define VX_AUDIO_INFO_LINEAR_8 (1<<7)
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#define VX_AUDIO_INFO_LINEAR_16 (1<<8)
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#define VX_AUDIO_INFO_LINEAR_24 (1<<9)
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/* DSP Interrupt Request values */
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#define VXP_IRQ_OFFSET 0x40 /* add 0x40 offset for vxpocket and vx222/v2 */
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/* call with vx_send_irq_dsp() */
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#define IRQ_MESS_WRITE_END 0x30
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#define IRQ_MESS_WRITE_NEXT 0x32
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#define IRQ_MESS_READ_NEXT 0x34
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#define IRQ_MESS_READ_END 0x36
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#define IRQ_MESSAGE 0x38
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#define IRQ_RESET_CHK 0x3A
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#define IRQ_CONNECT_STREAM_NEXT 0x26
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#define IRQ_CONNECT_STREAM_END 0x28
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#define IRQ_PAUSE_START_CONNECT 0x2A
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#define IRQ_END_CONNECTION 0x2C
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/* Is there async. events pending ( IT Source Test ) */
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#define ASYNC_EVENTS_PENDING 0x008000
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#define HBUFFER_EVENTS_PENDING 0x004000 // Not always accurate
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#define NOTIF_EVENTS_PENDING 0x002000
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#define TIME_CODE_EVENT_PENDING 0x001000
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#define FREQUENCY_CHANGE_EVENT_PENDING 0x000800
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#define END_OF_BUFFER_EVENTS_PENDING 0x000400
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#define FATAL_DSP_ERROR 0xff0000
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/* Stream Format Header Defines */
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#define HEADER_FMT_BASE 0xFED00000
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#define HEADER_FMT_MONO 0x000000C0
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#define HEADER_FMT_INTEL 0x00008000
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#define HEADER_FMT_16BITS 0x00002000
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#define HEADER_FMT_24BITS 0x00004000
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#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.*/
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#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less then 32k.*/
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/* Constants used to access the Codec */
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#define XX_CODEC_SELECTOR 0x20
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/* codec commands */
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#define XX_CODEC_ADC_CONTROL_REGISTER 0x01
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#define XX_CODEC_DAC_CONTROL_REGISTER 0x02
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#define XX_CODEC_LEVEL_LEFT_REGISTER 0x03
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#define XX_CODEC_LEVEL_RIGHT_REGISTER 0x04
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#define XX_CODEC_PORT_MODE_REGISTER 0x05
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#define XX_CODEC_STATUS_REPORT_REGISTER 0x06
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#define XX_CODEC_CLOCK_CONTROL_REGISTER 0x07
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/*
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* Audio-level control values
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*/
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#define CVAL_M110DB 0x000 /* -110dB */
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#define CVAL_M99DB 0x02C
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#define CVAL_M21DB 0x163
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#define CVAL_M18DB 0x16F
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#define CVAL_M10DB 0x18F
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#define CVAL_0DB 0x1B7
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#define CVAL_18DB 0x1FF /* +18dB */
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#define CVAL_MAX 0x1FF
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#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000
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#define AUDIO_IO_HAS_MUTE_MONITORING_1 0x200000
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#define AUDIO_IO_HAS_MUTE_MONITORING_2 0x100000
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#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x01
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#define VALID_AUDIO_IO_MONITORING_LEVEL 0x02
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#define VALID_AUDIO_IO_MUTE_LEVEL 0x04
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#define VALID_AUDIO_IO_MUTE_MONITORING_1 0x08
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#define VALID_AUDIO_IO_MUTE_MONITORING_2 0x10
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#endif /* __SOUND_VX_COMMON_H */
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