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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note / / * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> * Takashi Iwai <tiwai@suse.de> * * SB16ASP/AWE32 CSP control / #ifndef __SOUND_SB16_CSP_H #define __SOUND_SB16_CSP_H / CSP modes / #define SNDRV_SB_CSP_MODE_NONE 0x00 #define SNDRV_SB_CSP_MODE_DSP_READ 0x01 / Record from DSP / #define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 / Play to DSP / #define SNDRV_SB_CSP_MODE_QSOUND 0x04 / QSound / / CSP load flags / #define SNDRV_SB_CSP_LOAD_FROMUSER 0x01 #define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02 / CSP sample width / #define SNDRV_SB_CSP_SAMPLE_8BIT 0x01 #define SNDRV_SB_CSP_SAMPLE_16BIT 0x02 / CSP channels / #define SNDRV_SB_CSP_MONO 0x01 #define SNDRV_SB_CSP_STEREO 0x02 / CSP rates / #define SNDRV_SB_CSP_RATE_8000 0x01 #define SNDRV_SB_CSP_RATE_11025 0x02 #define SNDRV_SB_CSP_RATE_22050 0x04 #define SNDRV_SB_CSP_RATE_44100 0x08 #define SNDRV_SB_CSP_RATE_ALL 0x0f / CSP running state / #define SNDRV_SB_CSP_ST_IDLE 0x00 #define SNDRV_SB_CSP_ST_LOADED 0x01 #define SNDRV_SB_CSP_ST_RUNNING 0x02 #define SNDRV_SB_CSP_ST_PAUSED 0x04 #define SNDRV_SB_CSP_ST_AUTO 0x08 #define SNDRV_SB_CSP_ST_QSOUND 0x10 / maximum QSound value (180 degrees right) / #define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20 / maximum microcode RIFF file size / #define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000 / microcode header / struct snd_sb_csp_mc_header { char codec_name[16]; / id name of codec / unsigned short func_req; / requested function / }; / microcode to be loaded / struct snd_sb_csp_microcode { struct snd_sb_csp_mc_header info; unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE]; }; / start CSP with sample_width in mono/stereo / struct snd_sb_csp_start { int sample_width; / sample width, look above / int channels; / channels, look above / }; / CSP information / struct snd_sb_csp_info { char codec_name[16]; / id name of codec / unsigned short func_nr; / function number / unsigned int acc_format; / accepted PCM formats / unsigned short acc_channels; / accepted channels / unsigned short acc_width; / accepted sample width / unsigned short acc_rates; / accepted sample rates / unsigned short csp_mode; / CSP mode, see above / unsigned short run_channels; / current channels / unsigned short run_width; / current sample width / unsigned short version; / version id: 0x10 - 0x1f / unsigned short state; / state bits / }; / HWDEP controls / / get CSP information / #define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info) / load microcode to CSP / / NOTE: struct snd_sb_csp_microcode overflows the max size (13 bits) * defined for some architectures like MIPS, and it leads to build errors. * (x86 and co have 14-bit size, thus it's valid, though.) * As a workaround for skipping the size-limit check, here we don't use the * normal _IOW() macro but _IOC() with the manual argument. / #define SNDRV_SB_CSP_IOCTL_LOAD_CODE \ _IOC(_IOC_WRITE, 'H', 0x11, sizeof(struct snd_sb_csp_microcode)) / unload microcode from CSP / #define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12) / start CSP / #define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start) / stop CSP / #define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14) / pause CSP and DMA transfer / #define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15) / restart CSP and DMA transfer / #define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16) #endif / __SOUND_SB16_CSP_H */