| /* 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 | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 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 General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; if not, write to the Free Software | |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| * | |
| */ | |
| #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 */ |