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1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */2/*3 * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>4 * Takashi Iwai <tiwai@suse.de>5 *6 * SB16ASP/AWE32 CSP control7 */8#ifndef _UAPI__SOUND_SB16_CSP_H9#define _UAPI__SOUND_SB16_CSP_H10 11 12/* CSP modes */13#define SNDRV_SB_CSP_MODE_NONE 0x0014#define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */15#define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */16#define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */17 18/* CSP load flags */19#define SNDRV_SB_CSP_LOAD_FROMUSER 0x0120#define SNDRV_SB_CSP_LOAD_INITBLOCK 0x0221 22/* CSP sample width */23#define SNDRV_SB_CSP_SAMPLE_8BIT 0x0124#define SNDRV_SB_CSP_SAMPLE_16BIT 0x0225 26/* CSP channels */27#define SNDRV_SB_CSP_MONO 0x0128#define SNDRV_SB_CSP_STEREO 0x0229 30/* CSP rates */31#define SNDRV_SB_CSP_RATE_8000 0x0132#define SNDRV_SB_CSP_RATE_11025 0x0233#define SNDRV_SB_CSP_RATE_22050 0x0434#define SNDRV_SB_CSP_RATE_44100 0x0835#define SNDRV_SB_CSP_RATE_ALL 0x0f36 37/* CSP running state */38#define SNDRV_SB_CSP_ST_IDLE 0x0039#define SNDRV_SB_CSP_ST_LOADED 0x0140#define SNDRV_SB_CSP_ST_RUNNING 0x0241#define SNDRV_SB_CSP_ST_PAUSED 0x0442#define SNDRV_SB_CSP_ST_AUTO 0x0843#define SNDRV_SB_CSP_ST_QSOUND 0x1044 45/* maximum QSound value (180 degrees right) */46#define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x2047 48/* maximum microcode RIFF file size */49#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x300050 51/* microcode header */52struct snd_sb_csp_mc_header {53 char codec_name[16]; /* id name of codec */54 unsigned short func_req; /* requested function */55};56 57/* microcode to be loaded */58struct snd_sb_csp_microcode {59 struct snd_sb_csp_mc_header info;60 unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];61};62 63/* start CSP with sample_width in mono/stereo */64struct snd_sb_csp_start {65 int sample_width; /* sample width, look above */66 int channels; /* channels, look above */67};68 69/* CSP information */70struct snd_sb_csp_info {71 char codec_name[16]; /* id name of codec */72 unsigned short func_nr; /* function number */73 unsigned int acc_format; /* accepted PCM formats */74 unsigned short acc_channels; /* accepted channels */75 unsigned short acc_width; /* accepted sample width */76 unsigned short acc_rates; /* accepted sample rates */77 unsigned short csp_mode; /* CSP mode, see above */78 unsigned short run_channels; /* current channels */79 unsigned short run_width; /* current sample width */80 unsigned short version; /* version id: 0x10 - 0x1f */81 unsigned short state; /* state bits */82};83 84/* HWDEP controls */85/* get CSP information */86#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info)87/* load microcode to CSP */88/* NOTE: struct snd_sb_csp_microcode overflows the max size (13 bits)89 * defined for some architectures like MIPS, and it leads to build errors.90 * (x86 and co have 14-bit size, thus it's valid, though.)91 * As a workaround for skipping the size-limit check, here we don't use the92 * normal _IOW() macro but _IOC() with the manual argument.93 */94#define SNDRV_SB_CSP_IOCTL_LOAD_CODE \95 _IOC(_IOC_WRITE, 'H', 0x11, sizeof(struct snd_sb_csp_microcode))96/* unload microcode from CSP */97#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)98/* start CSP */99#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start)100/* stop CSP */101#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)102/* pause CSP and DMA transfer */103#define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15)104/* restart CSP and DMA transfer */105#define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16)106 107 108#endif /* _UAPI__SOUND_SB16_CSP_H */109