mm: make wait_on_page_writeback() wait for multiple pending writebacks
[linux/fpc-iii.git] / include / uapi / sound / emu10k1.h
blob88609cc0524c9f20acdb24c916a9b3c29779713b
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
4 * Creative Labs, Inc.
5 * Definitions for EMU10K1 (SB Live!) chips
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.
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.
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
23 #ifndef _UAPI__SOUND_EMU10K1_H
24 #define _UAPI__SOUND_EMU10K1_H
26 #ifdef __linux__
27 #include <linux/types.h>
28 #endif
31 * ---- FX8010 ----
34 #define EMU10K1_CARD_CREATIVE 0x00000000
35 #define EMU10K1_CARD_EMUAPS 0x00000001
37 #define EMU10K1_FX8010_PCM_COUNT 8
40 * Following definition is copied from linux/types.h to support compiling
41 * this header file in userspace since they are not generally available for
42 * uapi headers.
44 #define __EMU10K1_DECLARE_BITMAP(name,bits) \
45 unsigned long name[(bits) / (sizeof(unsigned long) * 8)]
47 /* instruction set */
48 #define iMAC0 0x00 /* R = A + (X * Y >> 31) ; saturation */
49 #define iMAC1 0x01 /* R = A + (-X * Y >> 31) ; saturation */
50 #define iMAC2 0x02 /* R = A + (X * Y >> 31) ; wraparound */
51 #define iMAC3 0x03 /* R = A + (-X * Y >> 31) ; wraparound */
52 #define iMACINT0 0x04 /* R = A + X * Y ; saturation */
53 #define iMACINT1 0x05 /* R = A + X * Y ; wraparound (31-bit) */
54 #define iACC3 0x06 /* R = A + X + Y ; saturation */
55 #define iMACMV 0x07 /* R = A, acc += X * Y >> 31 */
56 #define iANDXOR 0x08 /* R = (A & X) ^ Y */
57 #define iTSTNEG 0x09 /* R = (A >= Y) ? X : ~X */
58 #define iLIMITGE 0x0a /* R = (A >= Y) ? X : Y */
59 #define iLIMITLT 0x0b /* R = (A < Y) ? X : Y */
60 #define iLOG 0x0c /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
61 #define iEXP 0x0d /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
62 #define iINTERP 0x0e /* R = A + (X * (Y - A) >> 31) ; saturation */
63 #define iSKIP 0x0f /* R = A (cc_reg), X (count), Y (cc_test) */
65 /* GPRs */
66 #define FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x0f */
67 #define EXTIN(x) (0x10 + (x)) /* x = 0x00 - 0x0f */
68 #define EXTOUT(x) (0x20 + (x)) /* x = 0x00 - 0x0f physical outs -> FXWC low 16 bits */
69 #define FXBUS2(x) (0x30 + (x)) /* x = 0x00 - 0x0f copies of fx buses for capture -> FXWC high 16 bits */
70 /* NB: 0x31 and 0x32 are shared with Center/LFE on SB live 5.1 */
72 #define C_00000000 0x40
73 #define C_00000001 0x41
74 #define C_00000002 0x42
75 #define C_00000003 0x43
76 #define C_00000004 0x44
77 #define C_00000008 0x45
78 #define C_00000010 0x46
79 #define C_00000020 0x47
80 #define C_00000100 0x48
81 #define C_00010000 0x49
82 #define C_00080000 0x4a
83 #define C_10000000 0x4b
84 #define C_20000000 0x4c
85 #define C_40000000 0x4d
86 #define C_80000000 0x4e
87 #define C_7fffffff 0x4f
88 #define C_ffffffff 0x50
89 #define C_fffffffe 0x51
90 #define C_c0000000 0x52
91 #define C_4f1bbcdc 0x53
92 #define C_5a7ef9db 0x54
93 #define C_00100000 0x55 /* ?? */
94 #define GPR_ACCU 0x56 /* ACCUM, accumulator */
95 #define GPR_COND 0x57 /* CCR, condition register */
96 #define GPR_NOISE0 0x58 /* noise source */
97 #define GPR_NOISE1 0x59 /* noise source */
98 #define GPR_IRQ 0x5a /* IRQ register */
99 #define GPR_DBAC 0x5b /* TRAM Delay Base Address Counter */
100 #define GPR(x) (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */
101 #define ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
102 #define ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
103 #define ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
104 #define ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
106 #define A_ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
107 #define A_ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
108 #define A_ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
109 #define A_ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
110 #define A_ITRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
111 #define A_ETRAM_CTL(x) (A_TANKMEMCTLREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
113 #define A_FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x3f FX buses */
114 #define A_EXTIN(x) (0x40 + (x)) /* x = 0x00 - 0x0f physical ins */
115 #define A_P16VIN(x) (0x50 + (x)) /* x = 0x00 - 0x0f p16v ins (A2 only) "EMU32 inputs" */
116 #define A_EXTOUT(x) (0x60 + (x)) /* x = 0x00 - 0x1f physical outs -> A_FXWC1 0x79-7f unknown */
117 #define A_FXBUS2(x) (0x80 + (x)) /* x = 0x00 - 0x1f extra outs used for EFX capture -> A_FXWC2 */
118 #define A_EMU32OUTH(x) (0xa0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_10 - _1F" - ??? */
119 #define A_EMU32OUTL(x) (0xb0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_1 - _F" - ??? */
120 #define A3_EMU32IN(x) (0x160 + (x)) /* x = 0x00 - 0x3f "EMU32_IN_00 - _3F" - Only when .device = 0x0008 */
121 #define A3_EMU32OUT(x) (0x1E0 + (x)) /* x = 0x00 - 0x0f "EMU32_OUT_00 - _3F" - Only when .device = 0x0008 */
122 #define A_GPR(x) (A_FXGPREGBASE + (x))
124 /* cc_reg constants */
125 #define CC_REG_NORMALIZED C_00000001
126 #define CC_REG_BORROW C_00000002
127 #define CC_REG_MINUS C_00000004
128 #define CC_REG_ZERO C_00000008
129 #define CC_REG_SATURATE C_00000010
130 #define CC_REG_NONZERO C_00000100
132 /* FX buses */
133 #define FXBUS_PCM_LEFT 0x00
134 #define FXBUS_PCM_RIGHT 0x01
135 #define FXBUS_PCM_LEFT_REAR 0x02
136 #define FXBUS_PCM_RIGHT_REAR 0x03
137 #define FXBUS_MIDI_LEFT 0x04
138 #define FXBUS_MIDI_RIGHT 0x05
139 #define FXBUS_PCM_CENTER 0x06
140 #define FXBUS_PCM_LFE 0x07
141 #define FXBUS_PCM_LEFT_FRONT 0x08
142 #define FXBUS_PCM_RIGHT_FRONT 0x09
143 #define FXBUS_MIDI_REVERB 0x0c
144 #define FXBUS_MIDI_CHORUS 0x0d
145 #define FXBUS_PCM_LEFT_SIDE 0x0e
146 #define FXBUS_PCM_RIGHT_SIDE 0x0f
147 #define FXBUS_PT_LEFT 0x14
148 #define FXBUS_PT_RIGHT 0x15
150 /* Inputs */
151 #define EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */
152 #define EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */
153 #define EXTIN_SPDIF_CD_L 0x02 /* internal S/PDIF CD - onboard - left */
154 #define EXTIN_SPDIF_CD_R 0x03 /* internal S/PDIF CD - onboard - right */
155 #define EXTIN_ZOOM_L 0x04 /* Zoom Video I2S - left */
156 #define EXTIN_ZOOM_R 0x05 /* Zoom Video I2S - right */
157 #define EXTIN_TOSLINK_L 0x06 /* LiveDrive - TOSLink Optical - left */
158 #define EXTIN_TOSLINK_R 0x07 /* LiveDrive - TOSLink Optical - right */
159 #define EXTIN_LINE1_L 0x08 /* LiveDrive - Line/Mic 1 - left */
160 #define EXTIN_LINE1_R 0x09 /* LiveDrive - Line/Mic 1 - right */
161 #define EXTIN_COAX_SPDIF_L 0x0a /* LiveDrive - Coaxial S/PDIF - left */
162 #define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */
163 #define EXTIN_LINE2_L 0x0c /* LiveDrive - Line/Mic 2 - left */
164 #define EXTIN_LINE2_R 0x0d /* LiveDrive - Line/Mic 2 - right */
166 /* Outputs */
167 #define EXTOUT_AC97_L 0x00 /* AC'97 playback channel - left */
168 #define EXTOUT_AC97_R 0x01 /* AC'97 playback channel - right */
169 #define EXTOUT_TOSLINK_L 0x02 /* LiveDrive - TOSLink Optical - left */
170 #define EXTOUT_TOSLINK_R 0x03 /* LiveDrive - TOSLink Optical - right */
171 #define EXTOUT_AC97_CENTER 0x04 /* SB Live 5.1 - center */
172 #define EXTOUT_AC97_LFE 0x05 /* SB Live 5.1 - LFE */
173 #define EXTOUT_HEADPHONE_L 0x06 /* LiveDrive - Headphone - left */
174 #define EXTOUT_HEADPHONE_R 0x07 /* LiveDrive - Headphone - right */
175 #define EXTOUT_REAR_L 0x08 /* Rear channel - left */
176 #define EXTOUT_REAR_R 0x09 /* Rear channel - right */
177 #define EXTOUT_ADC_CAP_L 0x0a /* ADC Capture buffer - left */
178 #define EXTOUT_ADC_CAP_R 0x0b /* ADC Capture buffer - right */
179 #define EXTOUT_MIC_CAP 0x0c /* MIC Capture buffer */
180 #define EXTOUT_AC97_REAR_L 0x0d /* SB Live 5.1 (c) 2003 - Rear Left */
181 #define EXTOUT_AC97_REAR_R 0x0e /* SB Live 5.1 (c) 2003 - Rear Right */
182 #define EXTOUT_ACENTER 0x11 /* Analog Center */
183 #define EXTOUT_ALFE 0x12 /* Analog LFE */
185 /* Audigy Inputs */
186 #define A_EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */
187 #define A_EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */
188 #define A_EXTIN_SPDIF_CD_L 0x02 /* digital CD left */
189 #define A_EXTIN_SPDIF_CD_R 0x03 /* digital CD left */
190 #define A_EXTIN_OPT_SPDIF_L 0x04 /* audigy drive Optical SPDIF - left */
191 #define A_EXTIN_OPT_SPDIF_R 0x05 /* right */
192 #define A_EXTIN_LINE2_L 0x08 /* audigy drive line2/mic2 - left */
193 #define A_EXTIN_LINE2_R 0x09 /* right */
194 #define A_EXTIN_ADC_L 0x0a /* Philips ADC - left */
195 #define A_EXTIN_ADC_R 0x0b /* right */
196 #define A_EXTIN_AUX2_L 0x0c /* audigy drive aux2 - left */
197 #define A_EXTIN_AUX2_R 0x0d /* - right */
199 /* Audigiy Outputs */
200 #define A_EXTOUT_FRONT_L 0x00 /* digital front left */
201 #define A_EXTOUT_FRONT_R 0x01 /* right */
202 #define A_EXTOUT_CENTER 0x02 /* digital front center */
203 #define A_EXTOUT_LFE 0x03 /* digital front lfe */
204 #define A_EXTOUT_HEADPHONE_L 0x04 /* headphone audigy drive left */
205 #define A_EXTOUT_HEADPHONE_R 0x05 /* right */
206 #define A_EXTOUT_REAR_L 0x06 /* digital rear left */
207 #define A_EXTOUT_REAR_R 0x07 /* right */
208 #define A_EXTOUT_AFRONT_L 0x08 /* analog front left */
209 #define A_EXTOUT_AFRONT_R 0x09 /* right */
210 #define A_EXTOUT_ACENTER 0x0a /* analog center */
211 #define A_EXTOUT_ALFE 0x0b /* analog LFE */
212 #define A_EXTOUT_ASIDE_L 0x0c /* analog side left - Audigy 2 ZS */
213 #define A_EXTOUT_ASIDE_R 0x0d /* right - Audigy 2 ZS */
214 #define A_EXTOUT_AREAR_L 0x0e /* analog rear left */
215 #define A_EXTOUT_AREAR_R 0x0f /* right */
216 #define A_EXTOUT_AC97_L 0x10 /* AC97 left (front) */
217 #define A_EXTOUT_AC97_R 0x11 /* right */
218 #define A_EXTOUT_ADC_CAP_L 0x16 /* ADC capture buffer left */
219 #define A_EXTOUT_ADC_CAP_R 0x17 /* right */
220 #define A_EXTOUT_MIC_CAP 0x18 /* Mic capture buffer */
222 /* Audigy constants */
223 #define A_C_00000000 0xc0
224 #define A_C_00000001 0xc1
225 #define A_C_00000002 0xc2
226 #define A_C_00000003 0xc3
227 #define A_C_00000004 0xc4
228 #define A_C_00000008 0xc5
229 #define A_C_00000010 0xc6
230 #define A_C_00000020 0xc7
231 #define A_C_00000100 0xc8
232 #define A_C_00010000 0xc9
233 #define A_C_00000800 0xca
234 #define A_C_10000000 0xcb
235 #define A_C_20000000 0xcc
236 #define A_C_40000000 0xcd
237 #define A_C_80000000 0xce
238 #define A_C_7fffffff 0xcf
239 #define A_C_ffffffff 0xd0
240 #define A_C_fffffffe 0xd1
241 #define A_C_c0000000 0xd2
242 #define A_C_4f1bbcdc 0xd3
243 #define A_C_5a7ef9db 0xd4
244 #define A_C_00100000 0xd5
245 #define A_GPR_ACCU 0xd6 /* ACCUM, accumulator */
246 #define A_GPR_COND 0xd7 /* CCR, condition register */
247 #define A_GPR_NOISE0 0xd8 /* noise source */
248 #define A_GPR_NOISE1 0xd9 /* noise source */
249 #define A_GPR_IRQ 0xda /* IRQ register */
250 #define A_GPR_DBAC 0xdb /* TRAM Delay Base Address Counter - internal */
251 #define A_GPR_DBACE 0xde /* TRAM Delay Base Address Counter - external */
253 /* definitions for debug register */
254 #define EMU10K1_DBG_ZC 0x80000000 /* zero tram counter */
255 #define EMU10K1_DBG_SATURATION_OCCURED 0x02000000 /* saturation control */
256 #define EMU10K1_DBG_SATURATION_ADDR 0x01ff0000 /* saturation address */
257 #define EMU10K1_DBG_SINGLE_STEP 0x00008000 /* single step mode */
258 #define EMU10K1_DBG_STEP 0x00004000 /* start single step */
259 #define EMU10K1_DBG_CONDITION_CODE 0x00003e00 /* condition code */
260 #define EMU10K1_DBG_SINGLE_STEP_ADDR 0x000001ff /* single step address */
262 /* tank memory address line */
263 #ifndef __KERNEL__
264 #define TANKMEMADDRREG_ADDR_MASK 0x000fffff /* 20 bit tank address field */
265 #define TANKMEMADDRREG_CLEAR 0x00800000 /* Clear tank memory */
266 #define TANKMEMADDRREG_ALIGN 0x00400000 /* Align read or write relative to tank access */
267 #define TANKMEMADDRREG_WRITE 0x00200000 /* Write to tank memory */
268 #define TANKMEMADDRREG_READ 0x00100000 /* Read from tank memory */
269 #endif
271 struct snd_emu10k1_fx8010_info {
272 unsigned int internal_tram_size; /* in samples */
273 unsigned int external_tram_size; /* in samples */
274 char fxbus_names[16][32]; /* names of FXBUSes */
275 char extin_names[16][32]; /* names of external inputs */
276 char extout_names[32][32]; /* names of external outputs */
277 unsigned int gpr_controls; /* count of GPR controls */
280 #define EMU10K1_GPR_TRANSLATION_NONE 0
281 #define EMU10K1_GPR_TRANSLATION_TABLE100 1
282 #define EMU10K1_GPR_TRANSLATION_BASS 2
283 #define EMU10K1_GPR_TRANSLATION_TREBLE 3
284 #define EMU10K1_GPR_TRANSLATION_ONOFF 4
286 enum emu10k1_ctl_elem_iface {
287 EMU10K1_CTL_ELEM_IFACE_MIXER = 2, /* virtual mixer device */
288 EMU10K1_CTL_ELEM_IFACE_PCM = 3, /* PCM device */
291 struct emu10k1_ctl_elem_id {
292 unsigned int pad; /* don't use */
293 int iface; /* interface identifier */
294 unsigned int device; /* device/client number */
295 unsigned int subdevice; /* subdevice (substream) number */
296 unsigned char name[44]; /* ASCII name of item */
297 unsigned int index; /* index of item */
300 struct snd_emu10k1_fx8010_control_gpr {
301 struct emu10k1_ctl_elem_id id; /* full control ID definition */
302 unsigned int vcount; /* visible count */
303 unsigned int count; /* count of GPR (1..16) */
304 unsigned short gpr[32]; /* GPR number(s) */
305 unsigned int value[32]; /* initial values */
306 unsigned int min; /* minimum range */
307 unsigned int max; /* maximum range */
308 unsigned int translation; /* translation type (EMU10K1_GPR_TRANSLATION*) */
309 const unsigned int *tlv;
312 /* old ABI without TLV support */
313 struct snd_emu10k1_fx8010_control_old_gpr {
314 struct emu10k1_ctl_elem_id id;
315 unsigned int vcount;
316 unsigned int count;
317 unsigned short gpr[32];
318 unsigned int value[32];
319 unsigned int min;
320 unsigned int max;
321 unsigned int translation;
324 struct snd_emu10k1_fx8010_code {
325 char name[128];
327 __EMU10K1_DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */
328 __u32 *gpr_map; /* initializers */
330 unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */
331 struct snd_emu10k1_fx8010_control_gpr *gpr_add_controls; /* GPR controls to add/replace */
333 unsigned int gpr_del_control_count; /* count of GPR controls to remove */
334 struct emu10k1_ctl_elem_id *gpr_del_controls; /* IDs of GPR controls to remove */
336 unsigned int gpr_list_control_count; /* count of GPR controls to list */
337 unsigned int gpr_list_control_total; /* total count of GPR controls */
338 struct snd_emu10k1_fx8010_control_gpr *gpr_list_controls; /* listed GPR controls */
340 __EMU10K1_DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */
341 __u32 *tram_data_map; /* data initializers */
342 __u32 *tram_addr_map; /* map initializers */
344 __EMU10K1_DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */
345 __u32 *code; /* one instruction - 64 bits */
348 struct snd_emu10k1_fx8010_tram {
349 unsigned int address; /* 31.bit == 1 -> external TRAM */
350 unsigned int size; /* size in samples (4 bytes) */
351 unsigned int *samples; /* pointer to samples (20-bit) */
352 /* NULL->clear memory */
355 struct snd_emu10k1_fx8010_pcm_rec {
356 unsigned int substream; /* substream number */
357 unsigned int res1; /* reserved */
358 unsigned int channels; /* 16-bit channels count, zero = remove this substream */
359 unsigned int tram_start; /* ring buffer position in TRAM (in samples) */
360 unsigned int buffer_size; /* count of buffered samples */
361 unsigned short gpr_size; /* GPR containing size of ringbuffer in samples (host) */
362 unsigned short gpr_ptr; /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
363 unsigned short gpr_count; /* GPR containing count of samples between two interrupts (host) */
364 unsigned short gpr_tmpcount; /* GPR containing current count of samples to interrupt (host = set, FX8010) */
365 unsigned short gpr_trigger; /* GPR containing trigger (activate) information (host) */
366 unsigned short gpr_running; /* GPR containing info if PCM is running (FX8010) */
367 unsigned char pad; /* reserved */
368 unsigned char etram[32]; /* external TRAM address & data (one per channel) */
369 unsigned int res2; /* reserved */
372 #define SNDRV_EMU10K1_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
374 #define SNDRV_EMU10K1_IOCTL_INFO _IOR ('H', 0x10, struct snd_emu10k1_fx8010_info)
375 #define SNDRV_EMU10K1_IOCTL_CODE_POKE _IOW ('H', 0x11, struct snd_emu10k1_fx8010_code)
376 #define SNDRV_EMU10K1_IOCTL_CODE_PEEK _IOWR('H', 0x12, struct snd_emu10k1_fx8010_code)
377 #define SNDRV_EMU10K1_IOCTL_TRAM_SETUP _IOW ('H', 0x20, int)
378 #define SNDRV_EMU10K1_IOCTL_TRAM_POKE _IOW ('H', 0x21, struct snd_emu10k1_fx8010_tram)
379 #define SNDRV_EMU10K1_IOCTL_TRAM_PEEK _IOWR('H', 0x22, struct snd_emu10k1_fx8010_tram)
380 #define SNDRV_EMU10K1_IOCTL_PCM_POKE _IOW ('H', 0x30, struct snd_emu10k1_fx8010_pcm_rec)
381 #define SNDRV_EMU10K1_IOCTL_PCM_PEEK _IOWR('H', 0x31, struct snd_emu10k1_fx8010_pcm_rec)
382 #define SNDRV_EMU10K1_IOCTL_PVERSION _IOR ('H', 0x40, int)
383 #define SNDRV_EMU10K1_IOCTL_STOP _IO ('H', 0x80)
384 #define SNDRV_EMU10K1_IOCTL_CONTINUE _IO ('H', 0x81)
385 #define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82)
386 #define SNDRV_EMU10K1_IOCTL_SINGLE_STEP _IOW ('H', 0x83, int)
387 #define SNDRV_EMU10K1_IOCTL_DBG_READ _IOR ('H', 0x84, int)
389 #endif /* _UAPI__SOUND_EMU10K1_H */