| /* 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 _UAPI__SOUND_SB16_CSP_H |
| #define _UAPI__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 /* _UAPI__SOUND_SB16_CSP_H */ |
