| #ifndef __SOUND_SB16_CSP_H |
| #define __SOUND_SB16_CSP_H |
| |
| /* |
| * 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 |
| * |
| */ |
| |
| /* 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 */ |
| #define SNDRV_SB_CSP_IOCTL_LOAD_CODE _IOW('H', 0x11, 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 */ |