/** * \file include/hwdep.h * \brief Application interface library for the ALSA driver * \author Jaroslav Kysela * \author Abramo Bagnara * \author Takashi Iwai * \date 1998-2001 * * Application interface library for the ALSA driver */ /* * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __ALSA_HWDEP_H #define __ALSA_HWDEP_H #ifdef __cplusplus extern "C" { #endif /** * \defgroup HwDep Hardware Dependant Interface * The Hardware Dependant Interface. * \{ */ /** dlsym version for interface entry callback */ #define SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001 /** HwDep information container */ typedef struct _snd_hwdep_info snd_hwdep_info_t; /** HwDep DSP status container */ typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t; /** HwDep DSP image container */ typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t; /** HwDep interface */ typedef enum _snd_hwdep_iface { SND_HWDEP_IFACE_OPL2 = 0, /**< OPL2 raw driver */ SND_HWDEP_IFACE_OPL3, /**< OPL3 raw driver */ SND_HWDEP_IFACE_OPL4, /**< OPL4 raw driver */ SND_HWDEP_IFACE_SB16CSP, /**< SB16CSP driver */ SND_HWDEP_IFACE_EMU10K1, /**< EMU10K1 driver */ SND_HWDEP_IFACE_YSS225, /**< YSS225 driver */ SND_HWDEP_IFACE_ICS2115, /**< ICS2115 driver */ SND_HWDEP_IFACE_SSCAPE, /**< Ensoniq SoundScape ISA card (MC68EC000) */ SND_HWDEP_IFACE_VX, /**< Digigram VX cards */ SND_HWDEP_IFACE_MIXART, /**< Digigram miXart cards */ SND_HWDEP_IFACE_USX2Y, /**< Tascam US122, US224 & US428 usb */ SND_HWDEP_IFACE_EMUX_WAVETABLE, /**< EmuX wavetable */ SND_HWDEP_IFACE_BLUETOOTH, /**< Bluetooth audio */ SND_HWDEP_IFACE_USX2Y_PCM, /**< Tascam US122, US224 & US428 raw USB PCM */ SND_HWDEP_IFACE_PCXHR, /**< Digigram PCXHR */ SND_HWDEP_IFACE_SB_RC, /**< SB Extigy/Audigy2NX remote control */ SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_SB_RC /**< last known hwdep interface */ } snd_hwdep_iface_t; /** open for reading */ #define SND_HWDEP_OPEN_READ (O_RDONLY) /** open for writing */ #define SND_HWDEP_OPEN_WRITE (O_WRONLY) /** open for reading and writing */ #define SND_HWDEP_OPEN_DUPLEX (O_RDWR) /** open mode flag: open in nonblock mode */ #define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK) /** HwDep handle type */ typedef enum _snd_hwdep_type { /** Kernel level HwDep */ SND_HWDEP_TYPE_HW, /** Shared memory client HwDep (not yet implemented) */ SND_HWDEP_TYPE_SHM, /** INET client HwDep (not yet implemented) */ SND_HWDEP_TYPE_INET } snd_hwdep_type_t; /** HwDep handle */ typedef struct _snd_hwdep snd_hwdep_t; int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode); int snd_hwdep_close(snd_hwdep_t *hwdep); int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space); int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents); int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock); int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info); int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status); int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block); int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg); ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size); ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size); size_t snd_hwdep_info_sizeof(void); /** allocate #snd_hwdep_info_t container on stack */ #define snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info) int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr); void snd_hwdep_info_free(snd_hwdep_info_t *obj); void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src); unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj); int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj); const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj); const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj); snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj); void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val); size_t snd_hwdep_dsp_status_sizeof(void); /** allocate #snd_hwdep_dsp_status_t container on stack */ #define snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status) int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr); void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj); void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src); unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj); const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj); unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj); unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj); unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj); size_t snd_hwdep_dsp_image_sizeof(void); /** allocate #snd_hwdep_dsp_image_t container on stack */ #define snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image) int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr); void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj); void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src); unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj); const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj); const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj); size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj); void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index); void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name); void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer); void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length); /** \} */ #ifdef __cplusplus } #endif #endif /* __ALSA_HWDEP_H */