Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * 32bit -> 64bit ioctl wrapper for PCM API | |
3 | * Copyright (c) by Takashi Iwai <tiwai@suse.de> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | * | |
19 | */ | |
20 | ||
21 | /* This file included from pcm_native.c */ | |
22 | ||
23 | #include <linux/compat.h> | |
24 | ||
877211f5 | 25 | static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
26 | s32 __user *src) |
27 | { | |
28 | snd_pcm_sframes_t delay; | |
29 | mm_segment_t fs; | |
30 | int err; | |
31 | ||
32 | fs = snd_enter_user(); | |
33 | err = snd_pcm_delay(substream, &delay); | |
34 | snd_leave_user(fs); | |
35 | if (err < 0) | |
36 | return err; | |
37 | if (put_user(delay, src)) | |
38 | return -EFAULT; | |
39 | return err; | |
40 | } | |
41 | ||
877211f5 | 42 | static int snd_pcm_ioctl_rewind_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
43 | u32 __user *src) |
44 | { | |
45 | snd_pcm_uframes_t frames; | |
46 | int err; | |
47 | ||
48 | if (get_user(frames, src)) | |
49 | return -EFAULT; | |
50 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
51 | err = snd_pcm_playback_rewind(substream, frames); | |
52 | else | |
53 | err = snd_pcm_capture_rewind(substream, frames); | |
54 | if (put_user(err, src)) | |
55 | return -EFAULT; | |
56 | return err < 0 ? err : 0; | |
57 | } | |
58 | ||
877211f5 | 59 | static int snd_pcm_ioctl_forward_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
60 | u32 __user *src) |
61 | { | |
62 | snd_pcm_uframes_t frames; | |
63 | int err; | |
64 | ||
65 | if (get_user(frames, src)) | |
66 | return -EFAULT; | |
67 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
68 | err = snd_pcm_playback_forward(substream, frames); | |
69 | else | |
70 | err = snd_pcm_capture_forward(substream, frames); | |
71 | if (put_user(err, src)) | |
72 | return -EFAULT; | |
73 | return err < 0 ? err : 0; | |
74 | } | |
75 | ||
877211f5 | 76 | struct snd_pcm_hw_params32 { |
1da177e4 | 77 | u32 flags; |
877211f5 TI |
78 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; /* this must be identical */ |
79 | struct snd_mask mres[5]; /* reserved masks */ | |
80 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
81 | struct snd_interval ires[9]; /* reserved intervals */ | |
1da177e4 LT |
82 | u32 rmask; |
83 | u32 cmask; | |
84 | u32 info; | |
85 | u32 msbits; | |
86 | u32 rate_num; | |
87 | u32 rate_den; | |
88 | u32 fifo_size; | |
89 | unsigned char reserved[64]; | |
90 | }; | |
91 | ||
877211f5 | 92 | struct snd_pcm_sw_params32 { |
1da177e4 LT |
93 | s32 tstamp_mode; |
94 | u32 period_step; | |
95 | u32 sleep_min; | |
96 | u32 avail_min; | |
97 | u32 xfer_align; | |
98 | u32 start_threshold; | |
99 | u32 stop_threshold; | |
100 | u32 silence_threshold; | |
101 | u32 silence_size; | |
102 | u32 boundary; | |
103 | unsigned char reserved[64]; | |
104 | }; | |
105 | ||
b2711310 | 106 | /* recalcuate the boundary within 32bit */ |
877211f5 | 107 | static snd_pcm_uframes_t recalculate_boundary(struct snd_pcm_runtime *runtime) |
b2711310 TI |
108 | { |
109 | snd_pcm_uframes_t boundary; | |
110 | ||
111 | if (! runtime->buffer_size) | |
112 | return 0; | |
113 | boundary = runtime->buffer_size; | |
114 | while (boundary * 2 <= 0x7fffffffUL - runtime->buffer_size) | |
115 | boundary *= 2; | |
116 | return boundary; | |
117 | } | |
118 | ||
877211f5 TI |
119 | static int snd_pcm_ioctl_sw_params_compat(struct snd_pcm_substream *substream, |
120 | struct snd_pcm_sw_params32 __user *src) | |
1da177e4 | 121 | { |
877211f5 | 122 | struct snd_pcm_sw_params params; |
b2711310 | 123 | snd_pcm_uframes_t boundary; |
1da177e4 LT |
124 | int err; |
125 | ||
126 | memset(¶ms, 0, sizeof(params)); | |
127 | if (get_user(params.tstamp_mode, &src->tstamp_mode) || | |
128 | get_user(params.period_step, &src->period_step) || | |
129 | get_user(params.sleep_min, &src->sleep_min) || | |
130 | get_user(params.avail_min, &src->avail_min) || | |
131 | get_user(params.xfer_align, &src->xfer_align) || | |
132 | get_user(params.start_threshold, &src->start_threshold) || | |
133 | get_user(params.stop_threshold, &src->stop_threshold) || | |
134 | get_user(params.silence_threshold, &src->silence_threshold) || | |
135 | get_user(params.silence_size, &src->silence_size)) | |
136 | return -EFAULT; | |
b2711310 TI |
137 | /* |
138 | * Check silent_size parameter. Since we have 64bit boundary, | |
139 | * silence_size must be compared with the 32bit boundary. | |
140 | */ | |
141 | boundary = recalculate_boundary(substream->runtime); | |
142 | if (boundary && params.silence_size >= boundary) | |
143 | params.silence_size = substream->runtime->boundary; | |
1da177e4 LT |
144 | err = snd_pcm_sw_params(substream, ¶ms); |
145 | if (err < 0) | |
146 | return err; | |
7153a558 | 147 | if (boundary && put_user(boundary, &src->boundary)) |
1da177e4 LT |
148 | return -EFAULT; |
149 | return err; | |
150 | } | |
151 | ||
877211f5 | 152 | struct snd_pcm_channel_info32 { |
1da177e4 LT |
153 | u32 channel; |
154 | u32 offset; | |
155 | u32 first; | |
156 | u32 step; | |
157 | }; | |
158 | ||
877211f5 TI |
159 | static int snd_pcm_ioctl_channel_info_compat(struct snd_pcm_substream *substream, |
160 | struct snd_pcm_channel_info32 __user *src) | |
1da177e4 | 161 | { |
877211f5 | 162 | struct snd_pcm_channel_info info; |
1da177e4 LT |
163 | int err; |
164 | ||
165 | if (get_user(info.channel, &src->channel) || | |
166 | get_user(info.offset, &src->offset) || | |
167 | get_user(info.first, &src->first) || | |
168 | get_user(info.step, &src->step)) | |
169 | return -EFAULT; | |
170 | err = snd_pcm_channel_info(substream, &info); | |
171 | if (err < 0) | |
172 | return err; | |
173 | if (put_user(info.channel, &src->channel) || | |
174 | put_user(info.offset, &src->offset) || | |
175 | put_user(info.first, &src->first) || | |
176 | put_user(info.step, &src->step)) | |
177 | return -EFAULT; | |
178 | return err; | |
179 | } | |
180 | ||
877211f5 | 181 | struct snd_pcm_status32 { |
1da177e4 LT |
182 | s32 state; |
183 | struct compat_timespec trigger_tstamp; | |
184 | struct compat_timespec tstamp; | |
185 | u32 appl_ptr; | |
186 | u32 hw_ptr; | |
187 | s32 delay; | |
188 | u32 avail; | |
189 | u32 avail_max; | |
190 | u32 overrange; | |
191 | s32 suspended_state; | |
192 | unsigned char reserved[60]; | |
193 | } __attribute__((packed)); | |
194 | ||
195 | ||
877211f5 TI |
196 | static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream, |
197 | struct snd_pcm_status32 __user *src) | |
1da177e4 | 198 | { |
877211f5 | 199 | struct snd_pcm_status status; |
1da177e4 LT |
200 | int err; |
201 | ||
202 | err = snd_pcm_status(substream, &status); | |
203 | if (err < 0) | |
204 | return err; | |
205 | ||
206 | if (put_user(status.state, &src->state) || | |
207 | put_user(status.trigger_tstamp.tv_sec, &src->trigger_tstamp.tv_sec) || | |
208 | put_user(status.trigger_tstamp.tv_nsec, &src->trigger_tstamp.tv_nsec) || | |
209 | put_user(status.tstamp.tv_sec, &src->tstamp.tv_sec) || | |
210 | put_user(status.tstamp.tv_nsec, &src->tstamp.tv_nsec) || | |
211 | put_user(status.appl_ptr, &src->appl_ptr) || | |
212 | put_user(status.hw_ptr, &src->hw_ptr) || | |
213 | put_user(status.delay, &src->delay) || | |
214 | put_user(status.avail, &src->avail) || | |
215 | put_user(status.avail_max, &src->avail_max) || | |
216 | put_user(status.overrange, &src->overrange) || | |
217 | put_user(status.suspended_state, &src->suspended_state)) | |
218 | return -EFAULT; | |
219 | ||
220 | return err; | |
221 | } | |
222 | ||
1da177e4 | 223 | /* both for HW_PARAMS and HW_REFINE */ |
877211f5 | 224 | static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, |
1da177e4 | 225 | int refine, |
877211f5 | 226 | struct snd_pcm_hw_params32 __user *data32) |
1da177e4 | 227 | { |
877211f5 TI |
228 | struct snd_pcm_hw_params *data; |
229 | struct snd_pcm_runtime *runtime; | |
1da177e4 LT |
230 | int err; |
231 | ||
232 | if (! (runtime = substream->runtime)) | |
233 | return -ENOTTY; | |
234 | ||
235 | data = kmalloc(sizeof(*data), GFP_KERNEL); | |
236 | if (data == NULL) | |
237 | return -ENOMEM; | |
238 | /* only fifo_size is different, so just copy all */ | |
239 | if (copy_from_user(data, data32, sizeof(*data32))) { | |
240 | err = -EFAULT; | |
241 | goto error; | |
242 | } | |
243 | if (refine) | |
244 | err = snd_pcm_hw_refine(substream, data); | |
245 | else | |
246 | err = snd_pcm_hw_params(substream, data); | |
247 | if (err < 0) | |
248 | goto error; | |
249 | if (copy_to_user(data32, data, sizeof(*data32)) || | |
250 | put_user(data->fifo_size, &data32->fifo_size)) { | |
251 | err = -EFAULT; | |
252 | goto error; | |
253 | } | |
254 | ||
7153a558 TI |
255 | if (! refine) { |
256 | unsigned int new_boundary = recalculate_boundary(runtime); | |
257 | if (new_boundary) | |
258 | runtime->boundary = new_boundary; | |
259 | } | |
1da177e4 LT |
260 | error: |
261 | kfree(data); | |
262 | return err; | |
263 | } | |
264 | ||
265 | ||
266 | /* | |
267 | */ | |
877211f5 | 268 | struct snd_xferi32 { |
1da177e4 LT |
269 | s32 result; |
270 | u32 buf; | |
271 | u32 frames; | |
272 | }; | |
273 | ||
877211f5 TI |
274 | static int snd_pcm_ioctl_xferi_compat(struct snd_pcm_substream *substream, |
275 | int dir, struct snd_xferi32 __user *data32) | |
1da177e4 LT |
276 | { |
277 | compat_caddr_t buf; | |
278 | u32 frames; | |
279 | int err; | |
280 | ||
281 | if (! substream->runtime) | |
282 | return -ENOTTY; | |
283 | if (substream->stream != dir) | |
284 | return -EINVAL; | |
285 | if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) | |
286 | return -EBADFD; | |
287 | ||
288 | if (get_user(buf, &data32->buf) || | |
289 | get_user(frames, &data32->frames)) | |
290 | return -EFAULT; | |
291 | ||
292 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) | |
293 | err = snd_pcm_lib_write(substream, compat_ptr(buf), frames); | |
294 | else | |
295 | err = snd_pcm_lib_read(substream, compat_ptr(buf), frames); | |
296 | if (err < 0) | |
297 | return err; | |
298 | /* copy the result */ | |
299 | if (put_user(err, &data32->result)) | |
300 | return -EFAULT; | |
301 | return 0; | |
302 | } | |
303 | ||
304 | ||
305 | /* snd_xfern needs remapping of bufs */ | |
877211f5 | 306 | struct snd_xfern32 { |
1da177e4 LT |
307 | s32 result; |
308 | u32 bufs; /* this is void **; */ | |
309 | u32 frames; | |
310 | }; | |
311 | ||
312 | /* | |
313 | * xfern ioctl nees to copy (up to) 128 pointers on stack. | |
314 | * although we may pass the copied pointers through f_op->ioctl, but the ioctl | |
315 | * handler there expands again the same 128 pointers on stack, so it is better | |
316 | * to handle the function (calling pcm_readv/writev) directly in this handler. | |
317 | */ | |
877211f5 TI |
318 | static int snd_pcm_ioctl_xfern_compat(struct snd_pcm_substream *substream, |
319 | int dir, struct snd_xfern32 __user *data32) | |
1da177e4 LT |
320 | { |
321 | compat_caddr_t buf; | |
322 | compat_caddr_t __user *bufptr; | |
323 | u32 frames; | |
324 | void __user **bufs; | |
325 | int err, ch, i; | |
326 | ||
327 | if (! substream->runtime) | |
328 | return -ENOTTY; | |
329 | if (substream->stream != dir) | |
330 | return -EINVAL; | |
331 | ||
332 | if ((ch = substream->runtime->channels) > 128) | |
333 | return -EINVAL; | |
334 | if (get_user(buf, &data32->bufs) || | |
335 | get_user(frames, &data32->frames)) | |
336 | return -EFAULT; | |
337 | bufptr = compat_ptr(buf); | |
338 | bufs = kmalloc(sizeof(void __user *) * ch, GFP_KERNEL); | |
339 | if (bufs == NULL) | |
340 | return -ENOMEM; | |
341 | for (i = 0; i < ch; i++) { | |
342 | u32 ptr; | |
343 | if (get_user(ptr, bufptr)) { | |
344 | kfree(bufs); | |
345 | return -EFAULT; | |
346 | } | |
347 | bufs[ch] = compat_ptr(ptr); | |
348 | bufptr++; | |
349 | } | |
350 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) | |
351 | err = snd_pcm_lib_writev(substream, bufs, frames); | |
352 | else | |
353 | err = snd_pcm_lib_readv(substream, bufs, frames); | |
354 | if (err >= 0) { | |
355 | if (put_user(err, &data32->result)) | |
356 | err = -EFAULT; | |
357 | } | |
358 | kfree(bufs); | |
359 | return err; | |
360 | } | |
361 | ||
362 | ||
877211f5 | 363 | struct snd_pcm_mmap_status32 { |
1da177e4 LT |
364 | s32 state; |
365 | s32 pad1; | |
366 | u32 hw_ptr; | |
367 | struct compat_timespec tstamp; | |
368 | s32 suspended_state; | |
369 | } __attribute__((packed)); | |
370 | ||
877211f5 | 371 | struct snd_pcm_mmap_control32 { |
1da177e4 LT |
372 | u32 appl_ptr; |
373 | u32 avail_min; | |
374 | }; | |
375 | ||
877211f5 | 376 | struct snd_pcm_sync_ptr32 { |
1da177e4 LT |
377 | u32 flags; |
378 | union { | |
877211f5 | 379 | struct snd_pcm_mmap_status32 status; |
1da177e4 LT |
380 | unsigned char reserved[64]; |
381 | } s; | |
382 | union { | |
877211f5 | 383 | struct snd_pcm_mmap_control32 control; |
1da177e4 LT |
384 | unsigned char reserved[64]; |
385 | } c; | |
386 | } __attribute__((packed)); | |
387 | ||
877211f5 TI |
388 | static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream, |
389 | struct snd_pcm_sync_ptr32 __user *src) | |
1da177e4 | 390 | { |
877211f5 TI |
391 | struct snd_pcm_runtime *runtime = substream->runtime; |
392 | volatile struct snd_pcm_mmap_status *status; | |
393 | volatile struct snd_pcm_mmap_control *control; | |
1da177e4 | 394 | u32 sflags; |
877211f5 TI |
395 | struct snd_pcm_mmap_control scontrol; |
396 | struct snd_pcm_mmap_status sstatus; | |
b2711310 | 397 | snd_pcm_uframes_t boundary; |
1da177e4 LT |
398 | int err; |
399 | ||
7eaa943c TI |
400 | if (snd_BUG_ON(!runtime)) |
401 | return -EINVAL; | |
1da177e4 LT |
402 | |
403 | if (get_user(sflags, &src->flags) || | |
404 | get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || | |
405 | get_user(scontrol.avail_min, &src->c.control.avail_min)) | |
406 | return -EFAULT; | |
407 | if (sflags & SNDRV_PCM_SYNC_PTR_HWSYNC) { | |
408 | err = snd_pcm_hwsync(substream); | |
409 | if (err < 0) | |
410 | return err; | |
411 | } | |
412 | status = runtime->status; | |
413 | control = runtime->control; | |
b2711310 | 414 | boundary = recalculate_boundary(runtime); |
7153a558 TI |
415 | if (! boundary) |
416 | boundary = 0x7fffffff; | |
1da177e4 | 417 | snd_pcm_stream_lock_irq(substream); |
b2711310 | 418 | /* FIXME: we should consider the boundary for the sync from app */ |
1da177e4 LT |
419 | if (!(sflags & SNDRV_PCM_SYNC_PTR_APPL)) |
420 | control->appl_ptr = scontrol.appl_ptr; | |
421 | else | |
b2711310 | 422 | scontrol.appl_ptr = control->appl_ptr % boundary; |
1da177e4 LT |
423 | if (!(sflags & SNDRV_PCM_SYNC_PTR_AVAIL_MIN)) |
424 | control->avail_min = scontrol.avail_min; | |
425 | else | |
426 | scontrol.avail_min = control->avail_min; | |
427 | sstatus.state = status->state; | |
b2711310 | 428 | sstatus.hw_ptr = status->hw_ptr % boundary; |
1da177e4 LT |
429 | sstatus.tstamp = status->tstamp; |
430 | sstatus.suspended_state = status->suspended_state; | |
431 | snd_pcm_stream_unlock_irq(substream); | |
432 | if (put_user(sstatus.state, &src->s.status.state) || | |
433 | put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || | |
434 | put_user(sstatus.tstamp.tv_sec, &src->s.status.tstamp.tv_sec) || | |
435 | put_user(sstatus.tstamp.tv_nsec, &src->s.status.tstamp.tv_nsec) || | |
436 | put_user(sstatus.suspended_state, &src->s.status.suspended_state) || | |
437 | put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || | |
438 | put_user(scontrol.avail_min, &src->c.control.avail_min)) | |
439 | return -EFAULT; | |
440 | ||
441 | return 0; | |
442 | } | |
443 | ||
444 | ||
445 | /* | |
446 | */ | |
447 | enum { | |
877211f5 TI |
448 | SNDRV_PCM_IOCTL_HW_REFINE32 = _IOWR('A', 0x10, struct snd_pcm_hw_params32), |
449 | SNDRV_PCM_IOCTL_HW_PARAMS32 = _IOWR('A', 0x11, struct snd_pcm_hw_params32), | |
450 | SNDRV_PCM_IOCTL_SW_PARAMS32 = _IOWR('A', 0x13, struct snd_pcm_sw_params32), | |
451 | SNDRV_PCM_IOCTL_STATUS32 = _IOR('A', 0x20, struct snd_pcm_status32), | |
1da177e4 | 452 | SNDRV_PCM_IOCTL_DELAY32 = _IOR('A', 0x21, s32), |
877211f5 | 453 | SNDRV_PCM_IOCTL_CHANNEL_INFO32 = _IOR('A', 0x32, struct snd_pcm_channel_info32), |
1da177e4 LT |
454 | SNDRV_PCM_IOCTL_REWIND32 = _IOW('A', 0x46, u32), |
455 | SNDRV_PCM_IOCTL_FORWARD32 = _IOW('A', 0x49, u32), | |
877211f5 TI |
456 | SNDRV_PCM_IOCTL_WRITEI_FRAMES32 = _IOW('A', 0x50, struct snd_xferi32), |
457 | SNDRV_PCM_IOCTL_READI_FRAMES32 = _IOR('A', 0x51, struct snd_xferi32), | |
458 | SNDRV_PCM_IOCTL_WRITEN_FRAMES32 = _IOW('A', 0x52, struct snd_xfern32), | |
459 | SNDRV_PCM_IOCTL_READN_FRAMES32 = _IOR('A', 0x53, struct snd_xfern32), | |
460 | SNDRV_PCM_IOCTL_SYNC_PTR32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr32), | |
1da177e4 LT |
461 | |
462 | }; | |
463 | ||
464 | static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) | |
465 | { | |
877211f5 TI |
466 | struct snd_pcm_file *pcm_file; |
467 | struct snd_pcm_substream *substream; | |
1da177e4 LT |
468 | void __user *argp = compat_ptr(arg); |
469 | ||
470 | pcm_file = file->private_data; | |
471 | if (! pcm_file) | |
472 | return -ENOTTY; | |
473 | substream = pcm_file->substream; | |
474 | if (! substream) | |
475 | return -ENOTTY; | |
476 | ||
477 | /* | |
478 | * When PCM is used on 32bit mode, we need to disable | |
479 | * mmap of PCM status/control records because of the size | |
480 | * incompatibility. | |
481 | */ | |
548a648b | 482 | pcm_file->no_compat_mmap = 1; |
1da177e4 LT |
483 | |
484 | switch (cmd) { | |
485 | case SNDRV_PCM_IOCTL_PVERSION: | |
486 | case SNDRV_PCM_IOCTL_INFO: | |
5a7f2619 | 487 | case SNDRV_PCM_IOCTL_TSTAMP: |
6b587ef9 | 488 | case SNDRV_PCM_IOCTL_TTSTAMP: |
1da177e4 LT |
489 | case SNDRV_PCM_IOCTL_HWSYNC: |
490 | case SNDRV_PCM_IOCTL_PREPARE: | |
491 | case SNDRV_PCM_IOCTL_RESET: | |
492 | case SNDRV_PCM_IOCTL_START: | |
493 | case SNDRV_PCM_IOCTL_DROP: | |
494 | case SNDRV_PCM_IOCTL_DRAIN: | |
495 | case SNDRV_PCM_IOCTL_PAUSE: | |
496 | case SNDRV_PCM_IOCTL_HW_FREE: | |
497 | case SNDRV_PCM_IOCTL_RESUME: | |
498 | case SNDRV_PCM_IOCTL_XRUN: | |
499 | case SNDRV_PCM_IOCTL_LINK: | |
500 | case SNDRV_PCM_IOCTL_UNLINK: | |
501 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
0df63e44 | 502 | return snd_pcm_playback_ioctl1(file, substream, cmd, argp); |
1da177e4 | 503 | else |
0df63e44 | 504 | return snd_pcm_capture_ioctl1(file, substream, cmd, argp); |
1da177e4 LT |
505 | case SNDRV_PCM_IOCTL_HW_REFINE32: |
506 | return snd_pcm_ioctl_hw_params_compat(substream, 1, argp); | |
507 | case SNDRV_PCM_IOCTL_HW_PARAMS32: | |
508 | return snd_pcm_ioctl_hw_params_compat(substream, 0, argp); | |
509 | case SNDRV_PCM_IOCTL_SW_PARAMS32: | |
510 | return snd_pcm_ioctl_sw_params_compat(substream, argp); | |
511 | case SNDRV_PCM_IOCTL_STATUS32: | |
512 | return snd_pcm_status_user_compat(substream, argp); | |
513 | case SNDRV_PCM_IOCTL_SYNC_PTR32: | |
514 | return snd_pcm_ioctl_sync_ptr_compat(substream, argp); | |
515 | case SNDRV_PCM_IOCTL_CHANNEL_INFO32: | |
516 | return snd_pcm_ioctl_channel_info_compat(substream, argp); | |
517 | case SNDRV_PCM_IOCTL_WRITEI_FRAMES32: | |
518 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); | |
519 | case SNDRV_PCM_IOCTL_READI_FRAMES32: | |
520 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); | |
521 | case SNDRV_PCM_IOCTL_WRITEN_FRAMES32: | |
522 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); | |
523 | case SNDRV_PCM_IOCTL_READN_FRAMES32: | |
524 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); | |
525 | case SNDRV_PCM_IOCTL_DELAY32: | |
526 | return snd_pcm_ioctl_delay_compat(substream, argp); | |
527 | case SNDRV_PCM_IOCTL_REWIND32: | |
528 | return snd_pcm_ioctl_rewind_compat(substream, argp); | |
529 | case SNDRV_PCM_IOCTL_FORWARD32: | |
530 | return snd_pcm_ioctl_forward_compat(substream, argp); | |
531 | } | |
532 | ||
533 | return -ENOIOCTLCMD; | |
534 | } |