1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> 4*4882a593Smuzhiyun * Takashi Iwai <tiwai@suse.de> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SB16ASP/AWE32 CSP control 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify 9*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by 10*4882a593Smuzhiyun * the Free Software Foundation; either version 2 of the License, or 11*4882a593Smuzhiyun * (at your option) any later version. 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, 14*4882a593Smuzhiyun * but WITHOUT ANY WARRANTY; without even the implied warranty of 15*4882a593Smuzhiyun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*4882a593Smuzhiyun * GNU General Public License for more details. 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License 19*4882a593Smuzhiyun * along with this program; if not, write to the Free Software 20*4882a593Smuzhiyun * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21*4882a593Smuzhiyun * 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun #ifndef _UAPI__SOUND_SB16_CSP_H 24*4882a593Smuzhiyun #define _UAPI__SOUND_SB16_CSP_H 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* CSP modes */ 28*4882a593Smuzhiyun #define SNDRV_SB_CSP_MODE_NONE 0x00 29*4882a593Smuzhiyun #define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */ 30*4882a593Smuzhiyun #define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */ 31*4882a593Smuzhiyun #define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */ 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* CSP load flags */ 34*4882a593Smuzhiyun #define SNDRV_SB_CSP_LOAD_FROMUSER 0x01 35*4882a593Smuzhiyun #define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* CSP sample width */ 38*4882a593Smuzhiyun #define SNDRV_SB_CSP_SAMPLE_8BIT 0x01 39*4882a593Smuzhiyun #define SNDRV_SB_CSP_SAMPLE_16BIT 0x02 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* CSP channels */ 42*4882a593Smuzhiyun #define SNDRV_SB_CSP_MONO 0x01 43*4882a593Smuzhiyun #define SNDRV_SB_CSP_STEREO 0x02 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* CSP rates */ 46*4882a593Smuzhiyun #define SNDRV_SB_CSP_RATE_8000 0x01 47*4882a593Smuzhiyun #define SNDRV_SB_CSP_RATE_11025 0x02 48*4882a593Smuzhiyun #define SNDRV_SB_CSP_RATE_22050 0x04 49*4882a593Smuzhiyun #define SNDRV_SB_CSP_RATE_44100 0x08 50*4882a593Smuzhiyun #define SNDRV_SB_CSP_RATE_ALL 0x0f 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* CSP running state */ 53*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_IDLE 0x00 54*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_LOADED 0x01 55*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_RUNNING 0x02 56*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_PAUSED 0x04 57*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_AUTO 0x08 58*4882a593Smuzhiyun #define SNDRV_SB_CSP_ST_QSOUND 0x10 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun /* maximum QSound value (180 degrees right) */ 61*4882a593Smuzhiyun #define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun /* maximum microcode RIFF file size */ 64*4882a593Smuzhiyun #define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun /* microcode header */ 67*4882a593Smuzhiyun struct snd_sb_csp_mc_header { 68*4882a593Smuzhiyun char codec_name[16]; /* id name of codec */ 69*4882a593Smuzhiyun unsigned short func_req; /* requested function */ 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun /* microcode to be loaded */ 73*4882a593Smuzhiyun struct snd_sb_csp_microcode { 74*4882a593Smuzhiyun struct snd_sb_csp_mc_header info; 75*4882a593Smuzhiyun unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE]; 76*4882a593Smuzhiyun }; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun /* start CSP with sample_width in mono/stereo */ 79*4882a593Smuzhiyun struct snd_sb_csp_start { 80*4882a593Smuzhiyun int sample_width; /* sample width, look above */ 81*4882a593Smuzhiyun int channels; /* channels, look above */ 82*4882a593Smuzhiyun }; 83*4882a593Smuzhiyun 84*4882a593Smuzhiyun /* CSP information */ 85*4882a593Smuzhiyun struct snd_sb_csp_info { 86*4882a593Smuzhiyun char codec_name[16]; /* id name of codec */ 87*4882a593Smuzhiyun unsigned short func_nr; /* function number */ 88*4882a593Smuzhiyun unsigned int acc_format; /* accepted PCM formats */ 89*4882a593Smuzhiyun unsigned short acc_channels; /* accepted channels */ 90*4882a593Smuzhiyun unsigned short acc_width; /* accepted sample width */ 91*4882a593Smuzhiyun unsigned short acc_rates; /* accepted sample rates */ 92*4882a593Smuzhiyun unsigned short csp_mode; /* CSP mode, see above */ 93*4882a593Smuzhiyun unsigned short run_channels; /* current channels */ 94*4882a593Smuzhiyun unsigned short run_width; /* current sample width */ 95*4882a593Smuzhiyun unsigned short version; /* version id: 0x10 - 0x1f */ 96*4882a593Smuzhiyun unsigned short state; /* state bits */ 97*4882a593Smuzhiyun }; 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun /* HWDEP controls */ 100*4882a593Smuzhiyun /* get CSP information */ 101*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info) 102*4882a593Smuzhiyun /* load microcode to CSP */ 103*4882a593Smuzhiyun /* NOTE: struct snd_sb_csp_microcode overflows the max size (13 bits) 104*4882a593Smuzhiyun * defined for some architectures like MIPS, and it leads to build errors. 105*4882a593Smuzhiyun * (x86 and co have 14-bit size, thus it's valid, though.) 106*4882a593Smuzhiyun * As a workaround for skipping the size-limit check, here we don't use the 107*4882a593Smuzhiyun * normal _IOW() macro but _IOC() with the manual argument. 108*4882a593Smuzhiyun */ 109*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_LOAD_CODE \ 110*4882a593Smuzhiyun _IOC(_IOC_WRITE, 'H', 0x11, sizeof(struct snd_sb_csp_microcode)) 111*4882a593Smuzhiyun /* unload microcode from CSP */ 112*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12) 113*4882a593Smuzhiyun /* start CSP */ 114*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start) 115*4882a593Smuzhiyun /* stop CSP */ 116*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14) 117*4882a593Smuzhiyun /* pause CSP and DMA transfer */ 118*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15) 119*4882a593Smuzhiyun /* restart CSP and DMA transfer */ 120*4882a593Smuzhiyun #define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16) 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun 123*4882a593Smuzhiyun #endif /* _UAPI__SOUND_SB16_CSP_H */ 124