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
6   */
7  #ifndef _UAPI__SOUND_EMU10K1_H
8  #define _UAPI__SOUND_EMU10K1_H
9  
10  #ifdef __linux__
11  #include <linux/types.h>
12  #endif
13  
14  /*
15   * ---- FX8010 ----
16   */
17  
18  #define EMU10K1_FX8010_PCM_COUNT		8
19  
20  /*
21   * Following definition is copied from linux/types.h to support compiling
22   * this header file in userspace since they are not generally available for
23   * uapi headers.
24   */
25  #define __EMU10K1_DECLARE_BITMAP(name,bits) \
26  	unsigned long name[(bits) / (sizeof(unsigned long) * 8)]
27  
28  /* instruction set */
29  #define iMAC0	 0x00	/* R = A + (X * Y >> 31)   ; saturation */
30  #define iMAC1	 0x01	/* R = A + (-X * Y >> 31)  ; saturation */
31  #define iMAC2	 0x02	/* R = A + (X * Y >> 31)   ; wraparound */
32  #define iMAC3	 0x03	/* R = A + (-X * Y >> 31)  ; wraparound */
33  #define iMACINT0 0x04	/* R = A + X * Y	   ; saturation */
34  #define iMACINT1 0x05	/* R = A + X * Y	   ; wraparound (31-bit) */
35  #define iACC3	 0x06	/* R = A + X + Y	   ; saturation */
36  #define iMACMV   0x07	/* R = A, acc += X * Y >> 31 */
37  #define iANDXOR  0x08	/* R = (A & X) ^ Y */
38  #define iTSTNEG  0x09	/* R = (A >= Y) ? X : ~X */
39  #define iLIMITGE 0x0a	/* R = (A >= Y) ? X : Y */
40  #define iLIMITLT 0x0b	/* R = (A < Y) ? X : Y */
41  #define iLOG	 0x0c	/* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
42  #define iEXP	 0x0d	/* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
43  #define iINTERP  0x0e	/* R = A + (X * (Y - A) >> 31)  ; saturation */
44  #define iSKIP    0x0f	/* R = A (cc_reg), X (count), Y (cc_test) */
45  
46  #define LOWORD_OPX_MASK		0x000ffc00	/* Instruction operand X			*/
47  #define LOWORD_OPY_MASK		0x000003ff	/* Instruction operand Y			*/
48  #define HIWORD_OPCODE_MASK	0x00f00000	/* Instruction opcode				*/
49  #define HIWORD_RESULT_MASK	0x000ffc00	/* Instruction result				*/
50  #define HIWORD_OPA_MASK		0x000003ff	/* Instruction operand A			*/
51  
52  /* Audigy Soundcards have a different instruction format */
53  #define A_LOWORD_OPX_MASK	0x007ff000
54  #define A_LOWORD_OPY_MASK	0x000007ff
55  #define A_HIWORD_OPCODE_MASK	0x0f000000
56  #define A_HIWORD_RESULT_MASK	0x007ff000
57  #define A_HIWORD_OPA_MASK	0x000007ff
58  
59  /* GPRs */
60  #define FXBUS(x)	(0x00 + (x))	/* x = 0x00 - 0x0f */
61  #define EXTIN(x)	(0x10 + (x))	/* x = 0x00 - 0x0f */
62  #define EXTOUT(x)	(0x20 + (x))	/* x = 0x00 - 0x0f physical outs -> FXWC low 16 bits */
63  #define FXBUS2(x)	(0x30 + (x))	/* x = 0x00 - 0x0f copies of fx buses for capture -> FXWC high 16 bits */
64  					/* NB: 0x31 and 0x32 are shared with Center/LFE on SB live 5.1 */
65  
66  #define A_FXBUS(x)	(0x00 + (x))	/* x = 0x00 - 0x3f FX buses */
67  #define A_EXTIN(x)	(0x40 + (x))	/* x = 0x00 - 0x0f physical ins */
68  #define A_P16VIN(x)	(0x50 + (x))	/* x = 0x00 - 0x0f p16v ins (A2 only) "EMU32 inputs" */
69  #define A_EXTOUT(x)	(0x60 + (x))	/* x = 0x00 - 0x1f physical outs -> A_FXWC1 0x79-7f unknown   */
70  #define A_FXBUS2(x)	(0x80 + (x))	/* x = 0x00 - 0x1f extra outs used for EFX capture -> A_FXWC2 */
71  #define A_EMU32OUTH(x)	(0xa0 + (x))	/* x = 0x00 - 0x0f "EMU32_OUT_10 - _1F" */
72  #define A_EMU32OUTL(x)	(0xb0 + (x))	/* x = 0x00 - 0x0f "EMU32_OUT_01 - _0F" */
73  #define A3_EMU32IN(x)	(0x160 + (x))	/* x = 0x00 - 0x1f "EMU32_IN_00 - _1F" - Only when .device = 0x0008 */
74  #define A3_EMU32OUT(x)	(0x1E0 + (x))	/* x = 0x00 - 0x1f "EMU32_OUT_00 - _1F" - Only when .device = 0x0008 */
75  
76  #define C_00000000	0x40
77  #define C_00000001	0x41
78  #define C_00000002	0x42
79  #define C_00000003	0x43
80  #define C_00000004	0x44
81  #define C_00000008	0x45
82  #define C_00000010	0x46
83  #define C_00000020	0x47
84  #define C_00000100	0x48
85  #define C_00010000	0x49
86  #define C_00080000	0x4a
87  #define C_10000000	0x4b
88  #define C_20000000	0x4c
89  #define C_40000000	0x4d
90  #define C_80000000	0x4e
91  #define C_7fffffff	0x4f
92  #define C_ffffffff	0x50
93  #define C_fffffffe	0x51
94  #define C_c0000000	0x52
95  #define C_4f1bbcdc	0x53
96  #define C_5a7ef9db	0x54
97  #define C_00100000	0x55		/* ?? */
98  #define GPR_ACCU	0x56		/* ACCUM, accumulator */
99  #define GPR_COND	0x57		/* CCR, condition register */
100  #define GPR_NOISE0	0x58		/* noise source */
101  #define GPR_NOISE1	0x59		/* noise source */
102  #define GPR_IRQ		0x5a		/* IRQ register */
103  #define GPR_DBAC	0x5b		/* TRAM Delay Base Address Counter */
104  
105  /* Audigy constants */
106  #define A_C_00000000	0xc0
107  #define A_C_00000001	0xc1
108  #define A_C_00000002	0xc2
109  #define A_C_00000003	0xc3
110  #define A_C_00000004	0xc4
111  #define A_C_00000008	0xc5
112  #define A_C_00000010	0xc6
113  #define A_C_00000020	0xc7
114  #define A_C_00000100	0xc8
115  #define A_C_00010000	0xc9
116  #define A_C_00000800	0xca
117  #define A_C_10000000	0xcb
118  #define A_C_20000000	0xcc
119  #define A_C_40000000	0xcd
120  #define A_C_80000000	0xce
121  #define A_C_7fffffff	0xcf
122  #define A_C_ffffffff	0xd0
123  #define A_C_fffffffe	0xd1
124  #define A_C_c0000000	0xd2
125  #define A_C_4f1bbcdc	0xd3
126  #define A_C_5a7ef9db	0xd4
127  #define A_C_00100000	0xd5
128  #define A_GPR_ACCU	0xd6		/* ACCUM, accumulator */
129  #define A_GPR_COND	0xd7		/* CCR, condition register */
130  #define A_GPR_NOISE0	0xd8		/* noise source */
131  #define A_GPR_NOISE1	0xd9		/* noise source */
132  #define A_GPR_IRQ	0xda		/* IRQ register */
133  #define A_GPR_DBAC	0xdb		/* TRAM Delay Base Address Counter - internal */
134  #define A_GPR_DBACE	0xde		/* TRAM Delay Base Address Counter - external */
135  
136  /* Each FX general purpose register is 32 bits in length, all bits are used			*/
137  #define FXGPREGBASE		0x100		/* FX general purpose registers base       	*/
138  #define A_FXGPREGBASE		0x400		/* Audigy GPRs, 0x400 to 0x5ff			*/
139  
140  #define A_TANKMEMCTLREGBASE	0x100		/* Tank memory control registers base - only for Audigy */
141  #define A_TANKMEMCTLREG_MASK	0x1f		/* only 5 bits used - only for Audigy */
142  
143  /* Tank audio data is logarithmically compressed down to 16 bits before writing to TRAM and is	*/
144  /* decompressed back to 20 bits on a read.  There are a total of 160 locations, the last 32	*/
145  /* locations are for external TRAM. 								*/
146  #define TANKMEMDATAREGBASE	0x200		/* Tank memory data registers base     		*/
147  #define TANKMEMDATAREG_MASK	0x000fffff	/* 20 bit tank audio data field			*/
148  
149  /* Combined address field and memory opcode or flag field.  160 locations, last 32 are external	*/
150  #define TANKMEMADDRREGBASE	0x300		/* Tank memory address registers base		*/
151  #define TANKMEMADDRREG_ADDR_MASK 0x000fffff	/* 20 bit tank address field			*/
152  #define TANKMEMADDRREG_CLEAR	0x00800000	/* Clear tank memory				*/
153  #define TANKMEMADDRREG_ALIGN	0x00400000	/* Align read or write relative to tank access	*/
154  #define TANKMEMADDRREG_WRITE	0x00200000	/* Write to tank memory				*/
155  #define TANKMEMADDRREG_READ	0x00100000	/* Read from tank memory			*/
156  
157  #define GPR(x)		(FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */
158  #define ITRAM_DATA(x)	(TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
159  #define ETRAM_DATA(x)	(TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
160  #define ITRAM_ADDR(x)	(TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
161  #define ETRAM_ADDR(x)	(TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
162  
163  #define A_GPR(x)	(A_FXGPREGBASE + (x))
164  #define A_ITRAM_DATA(x)	(TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
165  #define A_ETRAM_DATA(x)	(TANKMEMDATAREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
166  #define A_ITRAM_ADDR(x)	(TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
167  #define A_ETRAM_ADDR(x)	(TANKMEMADDRREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
168  #define A_ITRAM_CTL(x)	(A_TANKMEMCTLREGBASE + 0x00 + (x)) /* x = 0x00 - 0xbf */
169  #define A_ETRAM_CTL(x)	(A_TANKMEMCTLREGBASE + 0xc0 + (x)) /* x = 0x00 - 0x3f */
170  
171  /* cc_reg constants */
172  #define CC_REG_NORMALIZED C_00000001
173  #define CC_REG_BORROW	C_00000002
174  #define CC_REG_MINUS	C_00000004
175  #define CC_REG_ZERO	C_00000008
176  #define CC_REG_SATURATE	C_00000010
177  #define CC_REG_NONZERO	C_00000100
178  
179  #define A_CC_REG_NORMALIZED	A_C_00000001
180  #define A_CC_REG_BORROW		A_C_00000002
181  #define A_CC_REG_MINUS		A_C_00000004
182  #define A_CC_REG_ZERO		A_C_00000008
183  #define A_CC_REG_SATURATE	A_C_00000010
184  #define A_CC_REG_NONZERO	A_C_00000100
185  
186  /* FX buses */
187  // These are arbitrary mappings; our DSP code simply expects
188  // the config files to route the channels this way.
189  // The numbers are documented in {audigy,sb-live}-mixer.rst.
190  #define FXBUS_PCM_LEFT		0x00
191  #define FXBUS_PCM_RIGHT		0x01
192  #define FXBUS_PCM_LEFT_REAR	0x02
193  #define FXBUS_PCM_RIGHT_REAR	0x03
194  #define FXBUS_MIDI_LEFT		0x04
195  #define FXBUS_MIDI_RIGHT	0x05
196  #define FXBUS_PCM_CENTER	0x06
197  #define FXBUS_PCM_LFE		0x07
198  #define FXBUS_PCM_LEFT_FRONT	0x08
199  #define FXBUS_PCM_RIGHT_FRONT	0x09
200  #define FXBUS_MIDI_REVERB	0x0c
201  #define FXBUS_MIDI_CHORUS	0x0d
202  #define FXBUS_PCM_LEFT_SIDE	0x0e
203  #define FXBUS_PCM_RIGHT_SIDE	0x0f
204  #define FXBUS_PT_LEFT		0x14
205  #define FXBUS_PT_RIGHT		0x15
206  
207  /* Inputs */
208  #define EXTIN_AC97_L	   0x00	/* AC'97 capture channel - left */
209  #define EXTIN_AC97_R	   0x01	/* AC'97 capture channel - right */
210  #define EXTIN_SPDIF_CD_L   0x02	/* internal S/PDIF CD - onboard - left */
211  #define EXTIN_SPDIF_CD_R   0x03	/* internal S/PDIF CD - onboard - right */
212  #define EXTIN_ZOOM_L	   0x04	/* Zoom Video I2S - left */
213  #define EXTIN_ZOOM_R	   0x05	/* Zoom Video I2S - right */
214  #define EXTIN_TOSLINK_L	   0x06	/* LiveDrive - TOSLink Optical - left */
215  #define EXTIN_TOSLINK_R    0x07	/* LiveDrive - TOSLink Optical - right */
216  #define EXTIN_LINE1_L	   0x08	/* LiveDrive - Line/Mic 1 - left */
217  #define EXTIN_LINE1_R	   0x09	/* LiveDrive - Line/Mic 1 - right */
218  #define EXTIN_COAX_SPDIF_L 0x0a	/* LiveDrive - Coaxial S/PDIF - left */
219  #define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */
220  #define EXTIN_LINE2_L	   0x0c	/* LiveDrive - Line/Mic 2 - left */
221  #define EXTIN_LINE2_R	   0x0d	/* LiveDrive - Line/Mic 2 - right */
222  
223  /* Outputs */
224  #define EXTOUT_AC97_L	   0x00	/* AC'97 playback channel - left */
225  #define EXTOUT_AC97_R	   0x01	/* AC'97 playback channel - right */
226  #define EXTOUT_TOSLINK_L   0x02	/* LiveDrive - TOSLink Optical - left */
227  #define EXTOUT_TOSLINK_R   0x03	/* LiveDrive - TOSLink Optical - right */
228  #define EXTOUT_AC97_CENTER 0x04	/* SB Live 5.1 - center */
229  #define EXTOUT_AC97_LFE	   0x05 /* SB Live 5.1 - LFE */
230  #define EXTOUT_HEADPHONE_L 0x06	/* LiveDrive - Headphone - left */
231  #define EXTOUT_HEADPHONE_R 0x07	/* LiveDrive - Headphone - right */
232  #define EXTOUT_REAR_L	   0x08	/* Rear channel - left */
233  #define EXTOUT_REAR_R	   0x09	/* Rear channel - right */
234  #define EXTOUT_ADC_CAP_L   0x0a	/* ADC Capture buffer - left */
235  #define EXTOUT_ADC_CAP_R   0x0b	/* ADC Capture buffer - right */
236  #define EXTOUT_MIC_CAP	   0x0c	/* MIC Capture buffer */
237  #define EXTOUT_AC97_REAR_L 0x0d	/* SB Live 5.1 (c) 2003 - Rear Left */
238  #define EXTOUT_AC97_REAR_R 0x0e	/* SB Live 5.1 (c) 2003 - Rear Right */
239  #define EXTOUT_ACENTER	   0x11 /* Analog Center */
240  #define EXTOUT_ALFE	   0x12 /* Analog LFE */
241  
242  /* Audigy Inputs */
243  #define A_EXTIN_AC97_L		0x00	/* AC'97 capture channel - left */
244  #define A_EXTIN_AC97_R		0x01	/* AC'97 capture channel - right */
245  #define A_EXTIN_SPDIF_CD_L	0x02	/* digital CD left */
246  #define A_EXTIN_SPDIF_CD_R	0x03	/* digital CD left */
247  #define A_EXTIN_OPT_SPDIF_L     0x04    /* audigy drive Optical SPDIF - left */
248  #define A_EXTIN_OPT_SPDIF_R     0x05    /*                              right */
249  #define A_EXTIN_LINE2_L		0x08	/* audigy drive line2/mic2 - left */
250  #define A_EXTIN_LINE2_R		0x09	/*                           right */
251  #define A_EXTIN_ADC_L		0x0a    /* Philips ADC - left */
252  #define A_EXTIN_ADC_R		0x0b    /*               right */
253  #define A_EXTIN_AUX2_L		0x0c	/* audigy drive aux2 - left */
254  #define A_EXTIN_AUX2_R		0x0d	/*                   - right */
255  
256  /* Audigiy Outputs */
257  #define A_EXTOUT_FRONT_L	0x00	/* digital front left */
258  #define A_EXTOUT_FRONT_R	0x01	/*               right */
259  #define A_EXTOUT_CENTER		0x02	/* digital front center */
260  #define A_EXTOUT_LFE		0x03	/* digital front lfe */
261  #define A_EXTOUT_HEADPHONE_L	0x04	/* headphone audigy drive left */
262  #define A_EXTOUT_HEADPHONE_R	0x05	/*                        right */
263  #define A_EXTOUT_REAR_L		0x06	/* digital rear left */
264  #define A_EXTOUT_REAR_R		0x07	/*              right */
265  #define A_EXTOUT_AFRONT_L	0x08	/* analog front left */
266  #define A_EXTOUT_AFRONT_R	0x09	/*              right */
267  #define A_EXTOUT_ACENTER	0x0a	/* analog center */
268  #define A_EXTOUT_ALFE		0x0b	/* analog LFE */
269  #define A_EXTOUT_ASIDE_L	0x0c	/* analog side left  - Audigy 2 ZS */
270  #define A_EXTOUT_ASIDE_R	0x0d	/*             right - Audigy 2 ZS */
271  #define A_EXTOUT_AREAR_L	0x0e	/* analog rear left */
272  #define A_EXTOUT_AREAR_R	0x0f	/*             right */
273  #define A_EXTOUT_AC97_L		0x10	/* AC97 left (front) */
274  #define A_EXTOUT_AC97_R		0x11	/*      right */
275  #define A_EXTOUT_ADC_CAP_L	0x16	/* ADC capture buffer left */
276  #define A_EXTOUT_ADC_CAP_R	0x17	/*                    right */
277  #define A_EXTOUT_MIC_CAP	0x18	/* Mic capture buffer */
278  
279  /* Definitions for debug register. Note that these are for emu10k1 ONLY. */
280  #define EMU10K1_DBG_ZC			0x80000000	/* zero tram counter */
281  #define EMU10K1_DBG_SATURATION_OCCURED	0x02000000	/* saturation control */
282  #define EMU10K1_DBG_SATURATION_ADDR	0x01ff0000	/* saturation address */
283  #define EMU10K1_DBG_SINGLE_STEP		0x00008000	/* single step mode */
284  #define EMU10K1_DBG_STEP		0x00004000	/* start single step */
285  #define EMU10K1_DBG_CONDITION_CODE	0x00003e00	/* condition code */
286  #define EMU10K1_DBG_SINGLE_STEP_ADDR	0x000001ff	/* single step address */
287  
288  /* Definitions for emu10k2 debug register. */
289  #define A_DBG_ZC			0x40000000	/* zero tram counter */
290  #define A_DBG_SATURATION_OCCURED	0x20000000
291  #define A_DBG_SATURATION_ADDR		0x0ffc0000
292  #define A_DBG_SINGLE_STEP		0x00020000	/* Set to zero to start dsp */
293  #define A_DBG_STEP			0x00010000
294  #define A_DBG_CONDITION_CODE		0x0000f800
295  #define A_DBG_STEP_ADDR			0x000003ff
296  
297  struct snd_emu10k1_fx8010_info {
298  	unsigned int internal_tram_size;	/* in samples */
299  	unsigned int external_tram_size;	/* in samples */
300  	char fxbus_names[16][32];		/* names of FXBUSes */
301  	char extin_names[16][32];		/* names of external inputs */
302  	char extout_names[32][32];		/* names of external outputs */
303  	unsigned int gpr_controls;		/* count of GPR controls */
304  };
305  
306  #define EMU10K1_GPR_TRANSLATION_NONE		0
307  #define EMU10K1_GPR_TRANSLATION_TABLE100	1
308  #define EMU10K1_GPR_TRANSLATION_BASS		2
309  #define EMU10K1_GPR_TRANSLATION_TREBLE		3
310  #define EMU10K1_GPR_TRANSLATION_ONOFF		4
311  #define EMU10K1_GPR_TRANSLATION_NEGATE		5
312  #define EMU10K1_GPR_TRANSLATION_NEG_TABLE100	6
313  
314  enum emu10k1_ctl_elem_iface {
315  	EMU10K1_CTL_ELEM_IFACE_MIXER = 2,	/* virtual mixer device */
316  	EMU10K1_CTL_ELEM_IFACE_PCM = 3,		/* PCM device */
317  };
318  
319  struct emu10k1_ctl_elem_id {
320  	unsigned int pad;		/* don't use */
321  	int iface;			/* interface identifier */
322  	unsigned int device;		/* device/client number */
323  	unsigned int subdevice;		/* subdevice (substream) number */
324  	unsigned char name[44];		/* ASCII name of item */
325  	unsigned int index;		/* index of item */
326  };
327  
328  struct snd_emu10k1_fx8010_control_gpr {
329  	struct emu10k1_ctl_elem_id id;	/* full control ID definition */
330  	unsigned int vcount;		/* visible count */
331  	unsigned int count;		/* count of GPR (1..16) */
332  	unsigned short gpr[32];		/* GPR number(s) */
333  	int value[32];			/* initial values */
334  	int min;			/* minimum range */
335  	int max;			/* maximum range */
336  	unsigned int translation;	/* translation type (EMU10K1_GPR_TRANSLATION*) */
337  	const unsigned int *tlv;
338  };
339  
340  /* old ABI without TLV support */
341  struct snd_emu10k1_fx8010_control_old_gpr {
342  	struct emu10k1_ctl_elem_id id;
343  	unsigned int vcount;
344  	unsigned int count;
345  	unsigned short gpr[32];
346  	unsigned int value[32];
347  	unsigned int min;
348  	unsigned int max;
349  	unsigned int translation;
350  };
351  
352  struct snd_emu10k1_fx8010_code {
353  	char name[128];
354  
355  	__EMU10K1_DECLARE_BITMAP(gpr_valid, 0x200); /* bitmask of valid initializers */
356  	__u32 *gpr_map;			/* initializers */
357  
358  	unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */
359  	struct snd_emu10k1_fx8010_control_gpr *gpr_add_controls; /* GPR controls to add/replace */
360  
361  	unsigned int gpr_del_control_count; /* count of GPR controls to remove */
362  	struct emu10k1_ctl_elem_id *gpr_del_controls; /* IDs of GPR controls to remove */
363  
364  	unsigned int gpr_list_control_count; /* count of GPR controls to list */
365  	unsigned int gpr_list_control_total; /* total count of GPR controls */
366  	struct snd_emu10k1_fx8010_control_gpr *gpr_list_controls; /* listed GPR controls */
367  
368  	__EMU10K1_DECLARE_BITMAP(tram_valid, 0x100); /* bitmask of valid initializers */
369  	__u32 *tram_data_map;		  /* data initializers */
370  	__u32 *tram_addr_map;		  /* map initializers */
371  
372  	__EMU10K1_DECLARE_BITMAP(code_valid, 1024); /* bitmask of valid instructions */
373  	__u32 *code;			  /* one instruction - 64 bits */
374  };
375  
376  struct snd_emu10k1_fx8010_tram {
377  	unsigned int address;		/* 31.bit == 1 -> external TRAM */
378  	unsigned int size;		/* size in samples (4 bytes) */
379  	unsigned int *samples;		/* pointer to samples (20-bit) */
380  					/* NULL->clear memory */
381  };
382  
383  struct snd_emu10k1_fx8010_pcm_rec {
384  	unsigned int substream;		/* substream number */
385  	unsigned int res1;		/* reserved */
386  	unsigned int channels;		/* 16-bit channels count, zero = remove this substream */
387  	unsigned int tram_start;	/* ring buffer position in TRAM (in samples) */
388  	unsigned int buffer_size;	/* count of buffered samples */
389  	unsigned short gpr_size;		/* GPR containing size of ringbuffer in samples (host) */
390  	unsigned short gpr_ptr;		/* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
391  	unsigned short gpr_count;	/* GPR containing count of samples between two interrupts (host) */
392  	unsigned short gpr_tmpcount;	/* GPR containing current count of samples to interrupt (host = set, FX8010) */
393  	unsigned short gpr_trigger;	/* GPR containing trigger (activate) information (host) */
394  	unsigned short gpr_running;	/* GPR containing info if PCM is running (FX8010) */
395  	unsigned char pad;		/* reserved */
396  	unsigned char etram[32];	/* external TRAM address & data (one per channel) */
397  	unsigned int res2;		/* reserved */
398  };
399  
400  #define SNDRV_EMU10K1_VERSION		SNDRV_PROTOCOL_VERSION(1, 0, 1)
401  
402  #define SNDRV_EMU10K1_IOCTL_INFO	_IOR ('H', 0x10, struct snd_emu10k1_fx8010_info)
403  #define SNDRV_EMU10K1_IOCTL_CODE_POKE	_IOW ('H', 0x11, struct snd_emu10k1_fx8010_code)
404  #define SNDRV_EMU10K1_IOCTL_CODE_PEEK	_IOWR('H', 0x12, struct snd_emu10k1_fx8010_code)
405  #define SNDRV_EMU10K1_IOCTL_TRAM_SETUP	_IOW ('H', 0x20, int)
406  #define SNDRV_EMU10K1_IOCTL_TRAM_POKE	_IOW ('H', 0x21, struct snd_emu10k1_fx8010_tram)
407  #define SNDRV_EMU10K1_IOCTL_TRAM_PEEK	_IOWR('H', 0x22, struct snd_emu10k1_fx8010_tram)
408  #define SNDRV_EMU10K1_IOCTL_PCM_POKE	_IOW ('H', 0x30, struct snd_emu10k1_fx8010_pcm_rec)
409  #define SNDRV_EMU10K1_IOCTL_PCM_PEEK	_IOWR('H', 0x31, struct snd_emu10k1_fx8010_pcm_rec)
410  #define SNDRV_EMU10K1_IOCTL_PVERSION	_IOR ('H', 0x40, int)
411  #define SNDRV_EMU10K1_IOCTL_STOP	_IO  ('H', 0x80)
412  #define SNDRV_EMU10K1_IOCTL_CONTINUE	_IO  ('H', 0x81)
413  #define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82)
414  #define SNDRV_EMU10K1_IOCTL_SINGLE_STEP	_IOW ('H', 0x83, int)
415  #define SNDRV_EMU10K1_IOCTL_DBG_READ	_IOR ('H', 0x84, int)
416  
417  #endif /* _UAPI__SOUND_EMU10K1_H */
418