169 lines
7.2 KiB
C++
169 lines
7.2 KiB
C++
/**
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* \file include/hwdep.h
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* \brief Application interface library for the ALSA driver
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* \author Jaroslav Kysela <perex@perex.cz>
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* \author Abramo Bagnara <abramo@alsa-project.org>
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* \author Takashi Iwai <tiwai@suse.de>
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* \date 1998-2001
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*
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* Application interface library for the ALSA driver
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*/
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/*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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*/
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#ifndef __ALSA_HWDEP_H
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#define __ALSA_HWDEP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \defgroup HwDep Hardware Dependant Interface
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* The Hardware Dependant Interface.
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* \{
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*/
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/** dlsym version for interface entry callback */
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#define SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001
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/** HwDep information container */
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typedef struct _snd_hwdep_info snd_hwdep_info_t;
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/** HwDep DSP status container */
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typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t;
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/** HwDep DSP image container */
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typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t;
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/** HwDep interface */
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typedef enum _snd_hwdep_iface {
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SND_HWDEP_IFACE_OPL2 = 0, /**< OPL2 raw driver */
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SND_HWDEP_IFACE_OPL3, /**< OPL3 raw driver */
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SND_HWDEP_IFACE_OPL4, /**< OPL4 raw driver */
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SND_HWDEP_IFACE_SB16CSP, /**< SB16CSP driver */
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SND_HWDEP_IFACE_EMU10K1, /**< EMU10K1 driver */
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SND_HWDEP_IFACE_YSS225, /**< YSS225 driver */
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SND_HWDEP_IFACE_ICS2115, /**< ICS2115 driver */
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SND_HWDEP_IFACE_SSCAPE, /**< Ensoniq SoundScape ISA card (MC68EC000) */
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SND_HWDEP_IFACE_VX, /**< Digigram VX cards */
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SND_HWDEP_IFACE_MIXART, /**< Digigram miXart cards */
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SND_HWDEP_IFACE_USX2Y, /**< Tascam US122, US224 & US428 usb */
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SND_HWDEP_IFACE_EMUX_WAVETABLE, /**< EmuX wavetable */
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SND_HWDEP_IFACE_BLUETOOTH, /**< Bluetooth audio */
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SND_HWDEP_IFACE_USX2Y_PCM, /**< Tascam US122, US224 & US428 raw USB PCM */
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SND_HWDEP_IFACE_PCXHR, /**< Digigram PCXHR */
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SND_HWDEP_IFACE_SB_RC, /**< SB Extigy/Audigy2NX remote control */
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SND_HWDEP_IFACE_HDA, /**< HD-audio */
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SND_HWDEP_IFACE_USB_STREAM, /**< direct access to usb stream */
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SND_HWDEP_IFACE_FW_DICE, /**< TC DICE FireWire device */
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SND_HWDEP_IFACE_FW_FIREWORKS, /**< Echo Audio Fireworks based device */
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SND_HWDEP_IFACE_FW_BEBOB, /**< BridgeCo BeBoB based device */
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SND_HWDEP_IFACE_FW_OXFW, /**< Oxford OXFW970/971 based device */
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SND_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
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SND_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
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SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_FW_TASCAM /**< last known hwdep interface */
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} snd_hwdep_iface_t;
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/** open for reading */
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#define SND_HWDEP_OPEN_READ (O_RDONLY)
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/** open for writing */
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#define SND_HWDEP_OPEN_WRITE (O_WRONLY)
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/** open for reading and writing */
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#define SND_HWDEP_OPEN_DUPLEX (O_RDWR)
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/** open mode flag: open in nonblock mode */
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#define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK)
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/** HwDep handle type */
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typedef enum _snd_hwdep_type {
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/** Kernel level HwDep */
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SND_HWDEP_TYPE_HW,
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/** Shared memory client HwDep (not yet implemented) */
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SND_HWDEP_TYPE_SHM,
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/** INET client HwDep (not yet implemented) */
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SND_HWDEP_TYPE_INET
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} snd_hwdep_type_t;
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/** HwDep handle */
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typedef struct _snd_hwdep snd_hwdep_t;
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int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
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int snd_hwdep_close(snd_hwdep_t *hwdep);
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int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
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int snd_hwdep_poll_descriptors_count(snd_hwdep_t *hwdep);
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int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
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int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
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int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
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int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status);
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int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block);
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int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
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ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
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ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
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size_t snd_hwdep_info_sizeof(void);
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/** allocate #snd_hwdep_info_t container on stack */
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#define snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info)
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int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr);
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void snd_hwdep_info_free(snd_hwdep_info_t *obj);
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void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src);
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unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj);
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int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj);
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const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj);
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const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj);
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snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj);
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void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val);
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size_t snd_hwdep_dsp_status_sizeof(void);
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/** allocate #snd_hwdep_dsp_status_t container on stack */
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#define snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status)
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int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr);
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void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj);
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void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src);
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unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj);
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const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj);
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unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj);
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unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj);
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unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj);
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size_t snd_hwdep_dsp_image_sizeof(void);
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/** allocate #snd_hwdep_dsp_image_t container on stack */
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#define snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image)
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int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr);
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void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj);
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void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src);
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unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj);
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const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj);
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const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj);
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size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj);
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void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index);
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void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name);
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void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer);
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void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length);
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ALSA_HWDEP_H */
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