1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Support for Digigram Lola PCI-e boards
4 *
5 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 */
7
8#ifndef _LOLA_H
9#define _LOLA_H
10
11#define DRVNAME "snd-lola"
12#define SFX DRVNAME ": "
13
14/*
15 * Lola HD Audio Registers BAR0
16 */
17#define LOLA_BAR0_GCAP 0x00
18#define LOLA_BAR0_VMIN 0x02
19#define LOLA_BAR0_VMAJ 0x03
20#define LOLA_BAR0_OUTPAY 0x04
21#define LOLA_BAR0_INPAY 0x06
22#define LOLA_BAR0_GCTL 0x08
23#define LOLA_BAR0_WAKEEN 0x0c
24#define LOLA_BAR0_STATESTS 0x0e
25#define LOLA_BAR0_GSTS 0x10
26#define LOLA_BAR0_OUTSTRMPAY 0x18
27#define LOLA_BAR0_INSTRMPAY 0x1a
28#define LOLA_BAR0_INTCTL 0x20
29#define LOLA_BAR0_INTSTS 0x24
30#define LOLA_BAR0_WALCLK 0x30
31#define LOLA_BAR0_SSYNC 0x38
32
33#define LOLA_BAR0_CORBLBASE 0x40
34#define LOLA_BAR0_CORBUBASE 0x44
35#define LOLA_BAR0_CORBWP 0x48 /* no ULONG access */
36#define LOLA_BAR0_CORBRP 0x4a /* no ULONG access */
37#define LOLA_BAR0_CORBCTL 0x4c /* no ULONG access */
38#define LOLA_BAR0_CORBSTS 0x4d /* UCHAR access only */
39#define LOLA_BAR0_CORBSIZE 0x4e /* no ULONG access */
40
41#define LOLA_BAR0_RIRBLBASE 0x50
42#define LOLA_BAR0_RIRBUBASE 0x54
43#define LOLA_BAR0_RIRBWP 0x58
44#define LOLA_BAR0_RINTCNT 0x5a /* no ULONG access */
45#define LOLA_BAR0_RIRBCTL 0x5c
46#define LOLA_BAR0_RIRBSTS 0x5d /* UCHAR access only */
47#define LOLA_BAR0_RIRBSIZE 0x5e /* no ULONG access */
48
49#define LOLA_BAR0_ICW 0x60
50#define LOLA_BAR0_IRR 0x64
51#define LOLA_BAR0_ICS 0x68
52#define LOLA_BAR0_DPLBASE 0x70
53#define LOLA_BAR0_DPUBASE 0x74
54
55/* stream register offsets from stream base 0x80 */
56#define LOLA_BAR0_SD0_OFFSET 0x80
57#define LOLA_REG0_SD_CTL 0x00
58#define LOLA_REG0_SD_STS 0x03
59#define LOLA_REG0_SD_LPIB 0x04
60#define LOLA_REG0_SD_CBL 0x08
61#define LOLA_REG0_SD_LVI 0x0c
62#define LOLA_REG0_SD_FIFOW 0x0e
63#define LOLA_REG0_SD_FIFOSIZE 0x10
64#define LOLA_REG0_SD_FORMAT 0x12
65#define LOLA_REG0_SD_BDLPL 0x18
66#define LOLA_REG0_SD_BDLPU 0x1c
67
68/*
69 * Lola Digigram Registers BAR1
70 */
71#define LOLA_BAR1_FPGAVER 0x00
72#define LOLA_BAR1_DEVER 0x04
73#define LOLA_BAR1_UCBMV 0x08
74#define LOLA_BAR1_JTAG 0x0c
75#define LOLA_BAR1_UARTRX 0x10
76#define LOLA_BAR1_UARTTX 0x14
77#define LOLA_BAR1_UARTCR 0x18
78#define LOLA_BAR1_NVRAMVER 0x1c
79#define LOLA_BAR1_CTRLSPI 0x20
80#define LOLA_BAR1_DSPI 0x24
81#define LOLA_BAR1_AISPI 0x28
82#define LOLA_BAR1_GRAN 0x2c
83
84#define LOLA_BAR1_DINTCTL 0x80
85#define LOLA_BAR1_DIINTCTL 0x84
86#define LOLA_BAR1_DOINTCTL 0x88
87#define LOLA_BAR1_LRC 0x90
88#define LOLA_BAR1_DINTSTS 0x94
89#define LOLA_BAR1_DIINTSTS 0x98
90#define LOLA_BAR1_DOINTSTS 0x9c
91
92#define LOLA_BAR1_DSD0_OFFSET 0xa0
93#define LOLA_BAR1_DSD_SIZE 0x18
94
95#define LOLA_BAR1_DSDnSTS 0x00
96#define LOLA_BAR1_DSDnLPIB 0x04
97#define LOLA_BAR1_DSDnCTL 0x08
98#define LOLA_BAR1_DSDnLVI 0x0c
99#define LOLA_BAR1_DSDnBDPL 0x10
100#define LOLA_BAR1_DSDnBDPU 0x14
101
102#define LOLA_BAR1_SSYNC 0x03e8
103
104#define LOLA_BAR1_BOARD_CTRL 0x0f00
105#define LOLA_BAR1_BOARD_MODE 0x0f02
106
107#define LOLA_BAR1_SOURCE_GAIN_ENABLE 0x1000
108#define LOLA_BAR1_DEST00_MIX_GAIN_ENABLE 0x1004
109#define LOLA_BAR1_DEST31_MIX_GAIN_ENABLE 0x1080
110#define LOLA_BAR1_SOURCE00_01_GAIN 0x1084
111#define LOLA_BAR1_SOURCE30_31_GAIN 0x10c0
112#define LOLA_BAR1_SOURCE_GAIN(src) \
113 (LOLA_BAR1_SOURCE00_01_GAIN + (src) * 2)
114#define LOLA_BAR1_DEST00_MIX00_01_GAIN 0x10c4
115#define LOLA_BAR1_DEST00_MIX30_31_GAIN 0x1100
116#define LOLA_BAR1_DEST01_MIX00_01_GAIN 0x1104
117#define LOLA_BAR1_DEST01_MIX30_31_GAIN 0x1140
118#define LOLA_BAR1_DEST31_MIX00_01_GAIN 0x1884
119#define LOLA_BAR1_DEST31_MIX30_31_GAIN 0x18c0
120#define LOLA_BAR1_MIX_GAIN(dest, mix) \
121 (LOLA_BAR1_DEST00_MIX00_01_GAIN + (dest) * 0x40 + (mix) * 2)
122#define LOLA_BAR1_ANALOG_CLIP_IN 0x18c4
123#define LOLA_BAR1_PEAKMETERS_SOURCE00_01 0x18c8
124#define LOLA_BAR1_PEAKMETERS_SOURCE30_31 0x1904
125#define LOLA_BAR1_PEAKMETERS_SOURCE(src) \
126 (LOLA_BAR1_PEAKMETERS_SOURCE00_01 + (src) * 2)
127#define LOLA_BAR1_PEAKMETERS_DEST00_01 0x1908
128#define LOLA_BAR1_PEAKMETERS_DEST30_31 0x1944
129#define LOLA_BAR1_PEAKMETERS_DEST(dest) \
130 (LOLA_BAR1_PEAKMETERS_DEST00_01 + (dest) * 2)
131#define LOLA_BAR1_PEAKMETERS_AGC00_01 0x1948
132#define LOLA_BAR1_PEAKMETERS_AGC14_15 0x1964
133#define LOLA_BAR1_PEAKMETERS_AGC(x) \
134 (LOLA_BAR1_PEAKMETERS_AGC00_01 + (x) * 2)
135
136/* GCTL reset bit */
137#define LOLA_GCTL_RESET (1 << 0)
138/* GCTL unsolicited response enable bit */
139#define LOLA_GCTL_UREN (1 << 8)
140
141/* CORB/RIRB control, read/write pointer */
142#define LOLA_RBCTL_DMA_EN 0x02 /* enable DMA */
143#define LOLA_RBCTL_IRQ_EN 0x01 /* enable IRQ */
144#define LOLA_RBRWP_CLR 0x8000 /* read/write pointer clear */
145
146#define LOLA_RIRB_EX_UNSOL_EV 0x40000000
147#define LOLA_RIRB_EX_ERROR 0x80000000
148
149/* CORB int mask: CMEI[0] */
150#define LOLA_CORB_INT_CMEI 0x01
151#define LOLA_CORB_INT_MASK LOLA_CORB_INT_CMEI
152
153/* RIRB int mask: overrun[2], response[0] */
154#define LOLA_RIRB_INT_RESPONSE 0x01
155#define LOLA_RIRB_INT_OVERRUN 0x04
156#define LOLA_RIRB_INT_MASK (LOLA_RIRB_INT_RESPONSE | LOLA_RIRB_INT_OVERRUN)
157
158/* DINTCTL and DINTSTS */
159#define LOLA_DINT_GLOBAL 0x80000000 /* global interrupt enable bit */
160#define LOLA_DINT_CTRL 0x40000000 /* controller interrupt enable bit */
161#define LOLA_DINT_FIFOERR 0x20000000 /* global fifo error enable bit */
162#define LOLA_DINT_MUERR 0x10000000 /* global microcontroller underrun error */
163
164/* DSDnCTL bits */
165#define LOLA_DSD_CTL_SRST 0x01 /* stream reset bit */
166#define LOLA_DSD_CTL_SRUN 0x02 /* stream DMA start bit */
167#define LOLA_DSD_CTL_IOCE 0x04 /* interrupt on completion enable */
168#define LOLA_DSD_CTL_DEIE 0x10 /* descriptor error interrupt enable */
169#define LOLA_DSD_CTL_VLRCV 0x20 /* valid LRCountValue information in bits 8..31 */
170#define LOLA_LRC_MASK 0xffffff00
171
172/* DSDnSTS */
173#define LOLA_DSD_STS_BCIS 0x04 /* buffer completion interrupt status */
174#define LOLA_DSD_STS_DESE 0x10 /* descriptor error interrupt */
175#define LOLA_DSD_STS_FIFORDY 0x20 /* fifo ready */
176
177#define LOLA_CORB_ENTRIES 256
178
179#define MAX_STREAM_IN_COUNT 16
180#define MAX_STREAM_OUT_COUNT 16
181#define MAX_STREAM_COUNT 16
182#define MAX_PINS MAX_STREAM_COUNT
183#define MAX_STREAM_BUFFER_COUNT 16
184#define MAX_AUDIO_INOUT_COUNT 16
185
186#define LOLA_CLOCK_TYPE_INTERNAL 0
187#define LOLA_CLOCK_TYPE_AES 1
188#define LOLA_CLOCK_TYPE_AES_SYNC 2
189#define LOLA_CLOCK_TYPE_WORDCLOCK 3
190#define LOLA_CLOCK_TYPE_ETHERSOUND 4
191#define LOLA_CLOCK_TYPE_VIDEO 5
192
193#define LOLA_CLOCK_FORMAT_NONE 0
194#define LOLA_CLOCK_FORMAT_NTSC 1
195#define LOLA_CLOCK_FORMAT_PAL 2
196
197#define MAX_SAMPLE_CLOCK_COUNT 48
198
199/* parameters used with mixer widget's mixer capabilities */
200#define LOLA_PEAK_METER_CAN_AGC_MASK 1
201#define LOLA_PEAK_METER_CAN_ANALOG_CLIP_MASK 2
202
203struct lola_bar {
204 unsigned long addr;
205 void __iomem *remap_addr;
206};
207
208/* CORB/RIRB */
209struct lola_rb {
210 __le32 *buf; /* CORB/RIRB buffer, 8 byte per each entry */
211 dma_addr_t addr; /* physical address of CORB/RIRB buffer */
212 unsigned short rp, wp; /* read/write pointers */
213 int cmds; /* number of pending requests */
214};
215
216/* Pin widget setup */
217struct lola_pin {
218 unsigned int nid;
219 bool is_analog;
220 unsigned int amp_mute;
221 unsigned int amp_step_size;
222 unsigned int amp_num_steps;
223 unsigned int amp_offset;
224 unsigned int max_level;
225 unsigned int config_default_reg;
226 unsigned int fixed_gain_list_len;
227 unsigned int cur_gain_step;
228};
229
230struct lola_pin_array {
231 unsigned int num_pins;
232 unsigned int num_analog_pins;
233 struct lola_pin pins[MAX_PINS];
234};
235
236/* Clock widget setup */
237struct lola_sample_clock {
238 unsigned int type;
239 unsigned int format;
240 unsigned int freq;
241};
242
243struct lola_clock_widget {
244 unsigned int nid;
245 unsigned int items;
246 unsigned int cur_index;
247 unsigned int cur_freq;
248 bool cur_valid;
249 struct lola_sample_clock sample_clock[MAX_SAMPLE_CLOCK_COUNT];
250 unsigned int idx_lookup[MAX_SAMPLE_CLOCK_COUNT];
251};
252
253#define LOLA_MIXER_DIM 32
254struct lola_mixer_array {
255 u32 src_gain_enable;
256 u32 dest_mix_gain_enable[LOLA_MIXER_DIM];
257 u16 src_gain[LOLA_MIXER_DIM];
258 u16 dest_mix_gain[LOLA_MIXER_DIM][LOLA_MIXER_DIM];
259};
260
261/* Mixer widget setup */
262struct lola_mixer_widget {
263 unsigned int nid;
264 unsigned int caps;
265 struct lola_mixer_array __iomem *array;
266 struct lola_mixer_array *array_saved;
267 unsigned int src_stream_outs;
268 unsigned int src_phys_ins;
269 unsigned int dest_stream_ins;
270 unsigned int dest_phys_outs;
271 unsigned int src_stream_out_ofs;
272 unsigned int dest_phys_out_ofs;
273 unsigned int src_mask;
274 unsigned int dest_mask;
275};
276
277/* Audio stream */
278struct lola_stream {
279 unsigned int nid; /* audio widget NID */
280 unsigned int index; /* array index */
281 unsigned int dsd; /* DSD index */
282 bool can_float;
283 struct snd_pcm_substream *substream; /* assigned PCM substream */
284 struct lola_stream *master; /* master stream (for multi-channel) */
285
286 /* buffer setup */
287 unsigned int bufsize;
288 unsigned int period_bytes;
289 unsigned int frags;
290
291 /* format + channel setup */
292 unsigned int format_verb;
293
294 /* flags */
295 unsigned int opened:1;
296 unsigned int prepared:1;
297 unsigned int paused:1;
298 unsigned int running:1;
299};
300
301#define PLAY SNDRV_PCM_STREAM_PLAYBACK
302#define CAPT SNDRV_PCM_STREAM_CAPTURE
303
304struct lola_pcm {
305 unsigned int num_streams;
306 struct snd_dma_buffer *bdl; /* BDL buffer */
307 struct lola_stream streams[MAX_STREAM_COUNT];
308};
309
310/* card instance */
311struct lola {
312 struct snd_card *card;
313 struct pci_dev *pci;
314
315 /* pci resources */
316 struct lola_bar bar[2];
317 int irq;
318
319 /* locks */
320 spinlock_t reg_lock;
321 struct mutex open_mutex;
322
323 /* CORB/RIRB */
324 struct lola_rb corb;
325 struct lola_rb rirb;
326 unsigned int res, res_ex; /* last read values */
327 /* last command (for debugging) */
328 unsigned int last_cmd_nid, last_verb, last_data, last_extdata;
329
330 /* CORB/RIRB buffers */
331 struct snd_dma_buffer *rb;
332
333 /* unsolicited events */
334 unsigned int last_unsol_res;
335
336 /* streams */
337 struct lola_pcm pcm[2];
338
339 /* input src */
340 unsigned int input_src_caps_mask;
341 unsigned int input_src_mask;
342
343 /* pins */
344 struct lola_pin_array pin[2];
345
346 /* clock */
347 struct lola_clock_widget clock;
348 int ref_count_rate;
349 unsigned int sample_rate;
350
351 /* mixer */
352 struct lola_mixer_widget mixer;
353
354 /* hw info */
355 unsigned int version;
356 unsigned int lola_caps;
357
358 /* parameters */
359 unsigned int granularity;
360 unsigned int sample_rate_min;
361 unsigned int sample_rate_max;
362
363 /* flags */
364 unsigned int initialized:1;
365 unsigned int cold_reset:1;
366 unsigned int polling_mode:1;
367
368 /* for debugging */
369 unsigned int debug_res;
370 unsigned int debug_res_ex;
371};
372
373#define BAR0 0
374#define BAR1 1
375
376/* Helper macros */
377#define lola_readl(chip, idx, name) \
378 readl((chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
379#define lola_readw(chip, idx, name) \
380 readw((chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
381#define lola_readb(chip, idx, name) \
382 readb((chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
383#define lola_writel(chip, idx, name, val) \
384 writel((val), (chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
385#define lola_writew(chip, idx, name, val) \
386 writew((val), (chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
387#define lola_writeb(chip, idx, name, val) \
388 writeb((val), (chip)->bar[idx].remap_addr + LOLA_##idx##_##name)
389
390#define lola_dsd_read(chip, dsd, name) \
391 readl((chip)->bar[BAR1].remap_addr + LOLA_BAR1_DSD0_OFFSET + \
392 (LOLA_BAR1_DSD_SIZE * (dsd)) + LOLA_BAR1_DSDn##name)
393#define lola_dsd_write(chip, dsd, name, val) \
394 writel((val), (chip)->bar[BAR1].remap_addr + LOLA_BAR1_DSD0_OFFSET + \
395 (LOLA_BAR1_DSD_SIZE * (dsd)) + LOLA_BAR1_DSDn##name)
396
397/* GET verbs HDAudio */
398#define LOLA_VERB_GET_STREAM_FORMAT 0xa00
399#define LOLA_VERB_GET_AMP_GAIN_MUTE 0xb00
400#define LOLA_VERB_PARAMETERS 0xf00
401#define LOLA_VERB_GET_POWER_STATE 0xf05
402#define LOLA_VERB_GET_CONV 0xf06
403#define LOLA_VERB_GET_UNSOLICITED_RESPONSE 0xf08
404#define LOLA_VERB_GET_DIGI_CONVERT_1 0xf0d
405#define LOLA_VERB_GET_CONFIG_DEFAULT 0xf1c
406#define LOLA_VERB_GET_SUBSYSTEM_ID 0xf20
407/* GET verbs Digigram */
408#define LOLA_VERB_GET_FIXED_GAIN 0xfc0
409#define LOLA_VERB_GET_GAIN_SELECT 0xfc1
410#define LOLA_VERB_GET_MAX_LEVEL 0xfc2
411#define LOLA_VERB_GET_CLOCK_LIST 0xfc3
412#define LOLA_VERB_GET_CLOCK_SELECT 0xfc4
413#define LOLA_VERB_GET_CLOCK_STATUS 0xfc5
414
415/* SET verbs HDAudio */
416#define LOLA_VERB_SET_STREAM_FORMAT 0x200
417#define LOLA_VERB_SET_AMP_GAIN_MUTE 0x300
418#define LOLA_VERB_SET_POWER_STATE 0x705
419#define LOLA_VERB_SET_CHANNEL_STREAMID 0x706
420#define LOLA_VERB_SET_UNSOLICITED_ENABLE 0x708
421#define LOLA_VERB_SET_DIGI_CONVERT_1 0x70d
422/* SET verbs Digigram */
423#define LOLA_VERB_SET_GAIN_SELECT 0xf81
424#define LOLA_VERB_SET_CLOCK_SELECT 0xf84
425#define LOLA_VERB_SET_GRANULARITY_STEPS 0xf86
426#define LOLA_VERB_SET_SOURCE_GAIN 0xf87
427#define LOLA_VERB_SET_MIX_GAIN 0xf88
428#define LOLA_VERB_SET_DESTINATION_GAIN 0xf89
429#define LOLA_VERB_SET_SRC 0xf8a
430
431/* Parameter IDs used with LOLA_VERB_PARAMETERS */
432#define LOLA_PAR_VENDOR_ID 0x00
433#define LOLA_PAR_FUNCTION_TYPE 0x05
434#define LOLA_PAR_AUDIO_WIDGET_CAP 0x09
435#define LOLA_PAR_PCM 0x0a
436#define LOLA_PAR_STREAM_FORMATS 0x0b
437#define LOLA_PAR_PIN_CAP 0x0c
438#define LOLA_PAR_AMP_IN_CAP 0x0d
439#define LOLA_PAR_CONNLIST_LEN 0x0e
440#define LOLA_PAR_POWER_STATE 0x0f
441#define LOLA_PAR_GPIO_CAP 0x11
442#define LOLA_PAR_AMP_OUT_CAP 0x12
443#define LOLA_PAR_SPECIFIC_CAPS 0x80
444#define LOLA_PAR_FIXED_GAIN_LIST 0x81
445
446/* extract results of LOLA_PAR_SPECIFIC_CAPS */
447#define LOLA_AFG_MIXER_WIDGET_PRESENT(res) ((res & (1 << 21)) != 0)
448#define LOLA_AFG_CLOCK_WIDGET_PRESENT(res) ((res & (1 << 20)) != 0)
449#define LOLA_AFG_INPUT_PIN_COUNT(res) ((res >> 10) & 0x2ff)
450#define LOLA_AFG_OUTPUT_PIN_COUNT(res) ((res) & 0x2ff)
451
452/* extract results of LOLA_PAR_AMP_IN_CAP / LOLA_PAR_AMP_OUT_CAP */
453#define LOLA_AMP_MUTE_CAPABLE(res) ((res & (1 << 31)) != 0)
454#define LOLA_AMP_STEP_SIZE(res) ((res >> 24) & 0x7f)
455#define LOLA_AMP_NUM_STEPS(res) ((res >> 12) & 0x3ff)
456#define LOLA_AMP_OFFSET(res) ((res) & 0x3ff)
457
458#define LOLA_GRANULARITY_MIN 8
459#define LOLA_GRANULARITY_MAX 32
460#define LOLA_GRANULARITY_STEP 8
461
462/* parameters used with unsolicited command/response */
463#define LOLA_UNSOLICITED_TAG_MASK 0x3f
464#define LOLA_UNSOLICITED_TAG 0x1a
465#define LOLA_UNSOLICITED_ENABLE 0x80
466#define LOLA_UNSOL_RESP_TAG_OFFSET 26
467
468/* count values in the Vendor Specific Mixer Widget's Audio Widget Capabilities */
469#define LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(res) ((res >> 2) & 0x1f)
470#define LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(res) ((res >> 7) & 0x1f)
471
472int lola_codec_write(struct lola *chip, unsigned int nid, unsigned int verb,
473 unsigned int data, unsigned int extdata);
474int lola_codec_read(struct lola *chip, unsigned int nid, unsigned int verb,
475 unsigned int data, unsigned int extdata,
476 unsigned int *val, unsigned int *extval);
477int lola_codec_flush(struct lola *chip);
478#define lola_read_param(chip, nid, param, val) \
479 lola_codec_read(chip, nid, LOLA_VERB_PARAMETERS, param, 0, val, NULL)
480
481/* PCM */
482int lola_create_pcm(struct lola *chip);
483int lola_init_pcm(struct lola *chip, int dir, int *nidp);
484void lola_pcm_update(struct lola *chip, struct lola_pcm *pcm, unsigned int bits);
485
486/* clock */
487int lola_init_clock_widget(struct lola *chip, int nid);
488int lola_set_granularity(struct lola *chip, unsigned int val, bool force);
489int lola_enable_clock_events(struct lola *chip);
490int lola_set_clock_index(struct lola *chip, unsigned int idx);
491int lola_set_clock(struct lola *chip, int idx);
492int lola_set_sample_rate(struct lola *chip, int rate);
493bool lola_update_ext_clock_freq(struct lola *chip, unsigned int val);
494unsigned int lola_sample_rate_convert(unsigned int coded);
495
496/* mixer */
497int lola_init_pins(struct lola *chip, int dir, int *nidp);
498int lola_init_mixer_widget(struct lola *chip, int nid);
499void lola_free_mixer(struct lola *chip);
500int lola_create_mixer(struct lola *chip);
501int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute);
502void lola_save_mixer(struct lola *chip);
503void lola_restore_mixer(struct lola *chip);
504int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update);
505
506/* proc */
507#ifdef CONFIG_SND_DEBUG
508void lola_proc_debug_new(struct lola *chip);
509#else
510#define lola_proc_debug_new(chip)
511#endif
512
513#endif /* _LOLA_H */
514

source code of linux/sound/pci/lola/lola.h