[linux-2.6-block.git] / include / uapi / sound / sb16_csp.h

/* 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 */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
674e95ca DH	2	/*
	3	* Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
	4	* Takashi Iwai <tiwai@suse.de>
	5	*
	6	* SB16ASP/AWE32 CSP control
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*
	22	*/
	23	#ifndef _UAPI__SOUND_SB16_CSP_H
	24	#define _UAPI__SOUND_SB16_CSP_H
	25
	26
	27	/* CSP modes */
	28	#define SNDRV_SB_CSP_MODE_NONE 0x00
	29	#define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */
	30	#define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */
	31	#define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */
	32
	33	/* CSP load flags */
	34	#define SNDRV_SB_CSP_LOAD_FROMUSER 0x01
	35	#define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02
	36
	37	/* CSP sample width */
	38	#define SNDRV_SB_CSP_SAMPLE_8BIT 0x01
	39	#define SNDRV_SB_CSP_SAMPLE_16BIT 0x02
	40
	41	/* CSP channels */
	42	#define SNDRV_SB_CSP_MONO 0x01
	43	#define SNDRV_SB_CSP_STEREO 0x02
	44
	45	/* CSP rates */
	46	#define SNDRV_SB_CSP_RATE_8000 0x01
	47	#define SNDRV_SB_CSP_RATE_11025 0x02
	48	#define SNDRV_SB_CSP_RATE_22050 0x04
	49	#define SNDRV_SB_CSP_RATE_44100 0x08
	50	#define SNDRV_SB_CSP_RATE_ALL 0x0f
	51
	52	/* CSP running state */
	53	#define SNDRV_SB_CSP_ST_IDLE 0x00
	54	#define SNDRV_SB_CSP_ST_LOADED 0x01
	55	#define SNDRV_SB_CSP_ST_RUNNING 0x02
	56	#define SNDRV_SB_CSP_ST_PAUSED 0x04
	57	#define SNDRV_SB_CSP_ST_AUTO 0x08
	58	#define SNDRV_SB_CSP_ST_QSOUND 0x10
	59
	60	/* maximum QSound value (180 degrees right) */
	61	#define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20
	62
	63	/* maximum microcode RIFF file size */
	64	#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000
	65
66	/* microcode header */
67	struct snd_sb_csp_mc_header {
68	char codec_name[16]; /* id name of codec */
69	unsigned short func_req; /* requested function */
70	};
71
72	/* microcode to be loaded */
73	struct snd_sb_csp_microcode {
74	struct snd_sb_csp_mc_header info;
75	unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];
76	};
77
78	/* start CSP with sample_width in mono/stereo */
79	struct snd_sb_csp_start {
80	int sample_width; /* sample width, look above */
81	int channels; /* channels, look above */
82	};
83
84	/* CSP information */
85	struct snd_sb_csp_info {
86	char codec_name[16]; /* id name of codec */
87	unsigned short func_nr; /* function number */
88	unsigned int acc_format; /* accepted PCM formats */
89	unsigned short acc_channels; /* accepted channels */
90	unsigned short acc_width; /* accepted sample width */
91	unsigned short acc_rates; /* accepted sample rates */
92	unsigned short csp_mode; /* CSP mode, see above */
93	unsigned short run_channels; /* current channels */
94	unsigned short run_width; /* current sample width */
95	unsigned short version; /* version id: 0x10 - 0x1f */
96	unsigned short state; /* state bits */
97	};
98
99	/* HWDEP controls */
100	/* get CSP information */
101	#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, struct snd_sb_csp_info)
102	/* load microcode to CSP */
103	/* NOTE: struct snd_sb_csp_microcode overflows the max size (13 bits)
104	* defined for some architectures like MIPS, and it leads to build errors.
105	* (x86 and co have 14-bit size, thus it's valid, though.)
106	* As a workaround for skipping the size-limit check, here we don't use the
107	* normal _IOW() macro but _IOC() with the manual argument.
108	*/
109	#define SNDRV_SB_CSP_IOCTL_LOAD_CODE \
110	_IOC(_IOC_WRITE, 'H', 0x11, sizeof(struct snd_sb_csp_microcode))
111	/* unload microcode from CSP */
112	#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)
113	/* start CSP */
114	#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, struct snd_sb_csp_start)
115	/* stop CSP */
116	#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)
117	/* pause CSP and DMA transfer */
118	#define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15)
119	/* restart CSP and DMA transfer */
120	#define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16)
121
122
123	#endif /* _UAPI__SOUND_SB16_CSP_H */