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> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
1da177e4 | 25 | |
877211f5 | 26 | static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
27 | s32 __user *src) |
28 | { | |
29 | snd_pcm_sframes_t delay; | |
30 | mm_segment_t fs; | |
31 | int err; | |
32 | ||
33 | fs = snd_enter_user(); | |
34 | err = snd_pcm_delay(substream, &delay); | |
35 | snd_leave_user(fs); | |
36 | if (err < 0) | |
37 | return err; | |
38 | if (put_user(delay, src)) | |
39 | return -EFAULT; | |
40 | return err; | |
41 | } | |
42 | ||
877211f5 | 43 | static int snd_pcm_ioctl_rewind_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
44 | u32 __user *src) |
45 | { | |
46 | snd_pcm_uframes_t frames; | |
47 | int err; | |
48 | ||
49 | if (get_user(frames, src)) | |
50 | return -EFAULT; | |
51 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
52 | err = snd_pcm_playback_rewind(substream, frames); | |
53 | else | |
54 | err = snd_pcm_capture_rewind(substream, frames); | |
55 | if (put_user(err, src)) | |
56 | return -EFAULT; | |
57 | return err < 0 ? err : 0; | |
58 | } | |
59 | ||
877211f5 | 60 | static int snd_pcm_ioctl_forward_compat(struct snd_pcm_substream *substream, |
1da177e4 LT |
61 | u32 __user *src) |
62 | { | |
63 | snd_pcm_uframes_t frames; | |
64 | int err; | |
65 | ||
66 | if (get_user(frames, src)) | |
67 | return -EFAULT; | |
68 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
69 | err = snd_pcm_playback_forward(substream, frames); | |
70 | else | |
71 | err = snd_pcm_capture_forward(substream, frames); | |
72 | if (put_user(err, src)) | |
73 | return -EFAULT; | |
74 | return err < 0 ? err : 0; | |
75 | } | |
76 | ||
877211f5 | 77 | struct snd_pcm_hw_params32 { |
1da177e4 | 78 | u32 flags; |
877211f5 TI |
79 | struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; /* this must be identical */ |
80 | struct snd_mask mres[5]; /* reserved masks */ | |
81 | struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; | |
82 | struct snd_interval ires[9]; /* reserved intervals */ | |
1da177e4 LT |
83 | u32 rmask; |
84 | u32 cmask; | |
85 | u32 info; | |
86 | u32 msbits; | |
87 | u32 rate_num; | |
88 | u32 rate_den; | |
89 | u32 fifo_size; | |
90 | unsigned char reserved[64]; | |
91 | }; | |
92 | ||
877211f5 | 93 | struct snd_pcm_sw_params32 { |
1da177e4 LT |
94 | s32 tstamp_mode; |
95 | u32 period_step; | |
96 | u32 sleep_min; | |
97 | u32 avail_min; | |
98 | u32 xfer_align; | |
99 | u32 start_threshold; | |
100 | u32 stop_threshold; | |
101 | u32 silence_threshold; | |
102 | u32 silence_size; | |
103 | u32 boundary; | |
104 | unsigned char reserved[64]; | |
105 | }; | |
106 | ||
b2711310 | 107 | /* recalcuate the boundary within 32bit */ |
877211f5 | 108 | static snd_pcm_uframes_t recalculate_boundary(struct snd_pcm_runtime *runtime) |
b2711310 TI |
109 | { |
110 | snd_pcm_uframes_t boundary; | |
111 | ||
112 | if (! runtime->buffer_size) | |
113 | return 0; | |
114 | boundary = runtime->buffer_size; | |
115 | while (boundary * 2 <= 0x7fffffffUL - runtime->buffer_size) | |
116 | boundary *= 2; | |
117 | return boundary; | |
118 | } | |
119 | ||
877211f5 TI |
120 | static int snd_pcm_ioctl_sw_params_compat(struct snd_pcm_substream *substream, |
121 | struct snd_pcm_sw_params32 __user *src) | |
1da177e4 | 122 | { |
877211f5 | 123 | struct snd_pcm_sw_params params; |
b2711310 | 124 | snd_pcm_uframes_t boundary; |
1da177e4 LT |
125 | int err; |
126 | ||
127 | memset(¶ms, 0, sizeof(params)); | |
128 | if (get_user(params.tstamp_mode, &src->tstamp_mode) || | |
129 | get_user(params.period_step, &src->period_step) || | |
130 | get_user(params.sleep_min, &src->sleep_min) || | |
131 | get_user(params.avail_min, &src->avail_min) || | |
132 | get_user(params.xfer_align, &src->xfer_align) || | |
133 | get_user(params.start_threshold, &src->start_threshold) || | |
134 | get_user(params.stop_threshold, &src->stop_threshold) || | |
135 | get_user(params.silence_threshold, &src->silence_threshold) || | |
136 | get_user(params.silence_size, &src->silence_size)) | |
137 | return -EFAULT; | |
b2711310 TI |
138 | /* |
139 | * Check silent_size parameter. Since we have 64bit boundary, | |
140 | * silence_size must be compared with the 32bit boundary. | |
141 | */ | |
142 | boundary = recalculate_boundary(substream->runtime); | |
143 | if (boundary && params.silence_size >= boundary) | |
144 | params.silence_size = substream->runtime->boundary; | |
1da177e4 LT |
145 | err = snd_pcm_sw_params(substream, ¶ms); |
146 | if (err < 0) | |
147 | return err; | |
7153a558 | 148 | if (boundary && put_user(boundary, &src->boundary)) |
1da177e4 LT |
149 | return -EFAULT; |
150 | return err; | |
151 | } | |
152 | ||
877211f5 | 153 | struct snd_pcm_channel_info32 { |
1da177e4 LT |
154 | u32 channel; |
155 | u32 offset; | |
156 | u32 first; | |
157 | u32 step; | |
158 | }; | |
159 | ||
877211f5 TI |
160 | static int snd_pcm_ioctl_channel_info_compat(struct snd_pcm_substream *substream, |
161 | struct snd_pcm_channel_info32 __user *src) | |
1da177e4 | 162 | { |
877211f5 | 163 | struct snd_pcm_channel_info info; |
1da177e4 LT |
164 | int err; |
165 | ||
166 | if (get_user(info.channel, &src->channel) || | |
167 | get_user(info.offset, &src->offset) || | |
168 | get_user(info.first, &src->first) || | |
169 | get_user(info.step, &src->step)) | |
170 | return -EFAULT; | |
171 | err = snd_pcm_channel_info(substream, &info); | |
172 | if (err < 0) | |
173 | return err; | |
174 | if (put_user(info.channel, &src->channel) || | |
175 | put_user(info.offset, &src->offset) || | |
176 | put_user(info.first, &src->first) || | |
177 | put_user(info.step, &src->step)) | |
178 | return -EFAULT; | |
179 | return err; | |
180 | } | |
181 | ||
877211f5 | 182 | struct snd_pcm_status32 { |
1da177e4 LT |
183 | s32 state; |
184 | struct compat_timespec trigger_tstamp; | |
185 | struct compat_timespec tstamp; | |
186 | u32 appl_ptr; | |
187 | u32 hw_ptr; | |
188 | s32 delay; | |
189 | u32 avail; | |
190 | u32 avail_max; | |
191 | u32 overrange; | |
192 | s32 suspended_state; | |
9c7066ae | 193 | u32 reserved_alignment; |
4eeaaeae | 194 | struct compat_timespec audio_tstamp; |
9c7066ae | 195 | unsigned char reserved[56-sizeof(struct compat_timespec)]; |
1da177e4 LT |
196 | } __attribute__((packed)); |
197 | ||
198 | ||
877211f5 TI |
199 | static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream, |
200 | struct snd_pcm_status32 __user *src) | |
1da177e4 | 201 | { |
877211f5 | 202 | struct snd_pcm_status status; |
1da177e4 LT |
203 | int err; |
204 | ||
205 | err = snd_pcm_status(substream, &status); | |
206 | if (err < 0) | |
207 | return err; | |
208 | ||
209 | if (put_user(status.state, &src->state) || | |
4eeaaeae PLB |
210 | compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) || |
211 | compat_put_timespec(&status.tstamp, &src->tstamp) || | |
1da177e4 LT |
212 | put_user(status.appl_ptr, &src->appl_ptr) || |
213 | put_user(status.hw_ptr, &src->hw_ptr) || | |
214 | put_user(status.delay, &src->delay) || | |
215 | put_user(status.avail, &src->avail) || | |
216 | put_user(status.avail_max, &src->avail_max) || | |
217 | put_user(status.overrange, &src->overrange) || | |
4eeaaeae PLB |
218 | put_user(status.suspended_state, &src->suspended_state) || |
219 | compat_put_timespec(&status.audio_tstamp, &src->audio_tstamp)) | |
1da177e4 LT |
220 | return -EFAULT; |
221 | ||
222 | return err; | |
223 | } | |
224 | ||
1da177e4 | 225 | /* both for HW_PARAMS and HW_REFINE */ |
877211f5 | 226 | static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, |
1da177e4 | 227 | int refine, |
877211f5 | 228 | struct snd_pcm_hw_params32 __user *data32) |
1da177e4 | 229 | { |
877211f5 TI |
230 | struct snd_pcm_hw_params *data; |
231 | struct snd_pcm_runtime *runtime; | |
1da177e4 LT |
232 | int err; |
233 | ||
234 | if (! (runtime = substream->runtime)) | |
235 | return -ENOTTY; | |
236 | ||
1da177e4 | 237 | /* only fifo_size is different, so just copy all */ |
ef44a1ec LZ |
238 | data = memdup_user(data32, sizeof(*data32)); |
239 | if (IS_ERR(data)) | |
240 | return PTR_ERR(data); | |
241 | ||
1da177e4 LT |
242 | if (refine) |
243 | err = snd_pcm_hw_refine(substream, data); | |
244 | else | |
245 | err = snd_pcm_hw_params(substream, data); | |
246 | if (err < 0) | |
247 | goto error; | |
248 | if (copy_to_user(data32, data, sizeof(*data32)) || | |
249 | put_user(data->fifo_size, &data32->fifo_size)) { | |
250 | err = -EFAULT; | |
251 | goto error; | |
252 | } | |
253 | ||
7153a558 TI |
254 | if (! refine) { |
255 | unsigned int new_boundary = recalculate_boundary(runtime); | |
256 | if (new_boundary) | |
257 | runtime->boundary = new_boundary; | |
258 | } | |
1da177e4 LT |
259 | error: |
260 | kfree(data); | |
261 | return err; | |
262 | } | |
263 | ||
264 | ||
265 | /* | |
266 | */ | |
877211f5 | 267 | struct snd_xferi32 { |
1da177e4 LT |
268 | s32 result; |
269 | u32 buf; | |
270 | u32 frames; | |
271 | }; | |
272 | ||
877211f5 TI |
273 | static int snd_pcm_ioctl_xferi_compat(struct snd_pcm_substream *substream, |
274 | int dir, struct snd_xferi32 __user *data32) | |
1da177e4 LT |
275 | { |
276 | compat_caddr_t buf; | |
277 | u32 frames; | |
278 | int err; | |
279 | ||
280 | if (! substream->runtime) | |
281 | return -ENOTTY; | |
282 | if (substream->stream != dir) | |
283 | return -EINVAL; | |
284 | if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) | |
285 | return -EBADFD; | |
286 | ||
287 | if (get_user(buf, &data32->buf) || | |
288 | get_user(frames, &data32->frames)) | |
289 | return -EFAULT; | |
290 | ||
291 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) | |
292 | err = snd_pcm_lib_write(substream, compat_ptr(buf), frames); | |
293 | else | |
294 | err = snd_pcm_lib_read(substream, compat_ptr(buf), frames); | |
295 | if (err < 0) | |
296 | return err; | |
297 | /* copy the result */ | |
298 | if (put_user(err, &data32->result)) | |
299 | return -EFAULT; | |
300 | return 0; | |
301 | } | |
302 | ||
303 | ||
304 | /* snd_xfern needs remapping of bufs */ | |
877211f5 | 305 | struct snd_xfern32 { |
1da177e4 LT |
306 | s32 result; |
307 | u32 bufs; /* this is void **; */ | |
308 | u32 frames; | |
309 | }; | |
310 | ||
311 | /* | |
312 | * xfern ioctl nees to copy (up to) 128 pointers on stack. | |
313 | * although we may pass the copied pointers through f_op->ioctl, but the ioctl | |
314 | * handler there expands again the same 128 pointers on stack, so it is better | |
315 | * to handle the function (calling pcm_readv/writev) directly in this handler. | |
316 | */ | |
877211f5 TI |
317 | static int snd_pcm_ioctl_xfern_compat(struct snd_pcm_substream *substream, |
318 | int dir, struct snd_xfern32 __user *data32) | |
1da177e4 LT |
319 | { |
320 | compat_caddr_t buf; | |
321 | compat_caddr_t __user *bufptr; | |
322 | u32 frames; | |
323 | void __user **bufs; | |
324 | int err, ch, i; | |
325 | ||
326 | if (! substream->runtime) | |
327 | return -ENOTTY; | |
328 | if (substream->stream != dir) | |
329 | return -EINVAL; | |
330 | ||
331 | if ((ch = substream->runtime->channels) > 128) | |
332 | return -EINVAL; | |
333 | if (get_user(buf, &data32->bufs) || | |
334 | get_user(frames, &data32->frames)) | |
335 | return -EFAULT; | |
336 | bufptr = compat_ptr(buf); | |
337 | bufs = kmalloc(sizeof(void __user *) * ch, GFP_KERNEL); | |
338 | if (bufs == NULL) | |
339 | return -ENOMEM; | |
340 | for (i = 0; i < ch; i++) { | |
341 | u32 ptr; | |
342 | if (get_user(ptr, bufptr)) { | |
343 | kfree(bufs); | |
344 | return -EFAULT; | |
345 | } | |
ca9380fd | 346 | bufs[i] = compat_ptr(ptr); |
1da177e4 LT |
347 | bufptr++; |
348 | } | |
349 | if (dir == SNDRV_PCM_STREAM_PLAYBACK) | |
350 | err = snd_pcm_lib_writev(substream, bufs, frames); | |
351 | else | |
352 | err = snd_pcm_lib_readv(substream, bufs, frames); | |
353 | if (err >= 0) { | |
354 | if (put_user(err, &data32->result)) | |
355 | err = -EFAULT; | |
356 | } | |
357 | kfree(bufs); | |
358 | return err; | |
359 | } | |
360 | ||
361 | ||
877211f5 | 362 | struct snd_pcm_mmap_status32 { |
1da177e4 LT |
363 | s32 state; |
364 | s32 pad1; | |
365 | u32 hw_ptr; | |
366 | struct compat_timespec tstamp; | |
367 | s32 suspended_state; | |
4eeaaeae | 368 | struct compat_timespec audio_tstamp; |
1da177e4 LT |
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; | |
4eeaaeae | 431 | sstatus.audio_tstamp = status->audio_tstamp; |
1da177e4 LT |
432 | snd_pcm_stream_unlock_irq(substream); |
433 | if (put_user(sstatus.state, &src->s.status.state) || | |
434 | put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || | |
4eeaaeae | 435 | compat_put_timespec(&sstatus.tstamp, &src->s.status.tstamp) || |
1da177e4 | 436 | put_user(sstatus.suspended_state, &src->s.status.suspended_state) || |
4eeaaeae PLB |
437 | compat_put_timespec(&sstatus.audio_tstamp, |
438 | &src->s.status.audio_tstamp) || | |
1da177e4 LT |
439 | put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || |
440 | put_user(scontrol.avail_min, &src->c.control.avail_min)) | |
441 | return -EFAULT; | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
446 | ||
447 | /* | |
448 | */ | |
449 | enum { | |
877211f5 TI |
450 | SNDRV_PCM_IOCTL_HW_REFINE32 = _IOWR('A', 0x10, struct snd_pcm_hw_params32), |
451 | SNDRV_PCM_IOCTL_HW_PARAMS32 = _IOWR('A', 0x11, struct snd_pcm_hw_params32), | |
452 | SNDRV_PCM_IOCTL_SW_PARAMS32 = _IOWR('A', 0x13, struct snd_pcm_sw_params32), | |
453 | SNDRV_PCM_IOCTL_STATUS32 = _IOR('A', 0x20, struct snd_pcm_status32), | |
1da177e4 | 454 | SNDRV_PCM_IOCTL_DELAY32 = _IOR('A', 0x21, s32), |
877211f5 | 455 | SNDRV_PCM_IOCTL_CHANNEL_INFO32 = _IOR('A', 0x32, struct snd_pcm_channel_info32), |
1da177e4 LT |
456 | SNDRV_PCM_IOCTL_REWIND32 = _IOW('A', 0x46, u32), |
457 | SNDRV_PCM_IOCTL_FORWARD32 = _IOW('A', 0x49, u32), | |
877211f5 TI |
458 | SNDRV_PCM_IOCTL_WRITEI_FRAMES32 = _IOW('A', 0x50, struct snd_xferi32), |
459 | SNDRV_PCM_IOCTL_READI_FRAMES32 = _IOR('A', 0x51, struct snd_xferi32), | |
460 | SNDRV_PCM_IOCTL_WRITEN_FRAMES32 = _IOW('A', 0x52, struct snd_xfern32), | |
461 | SNDRV_PCM_IOCTL_READN_FRAMES32 = _IOR('A', 0x53, struct snd_xfern32), | |
462 | SNDRV_PCM_IOCTL_SYNC_PTR32 = _IOWR('A', 0x23, struct snd_pcm_sync_ptr32), | |
1da177e4 LT |
463 | |
464 | }; | |
465 | ||
466 | static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) | |
467 | { | |
877211f5 TI |
468 | struct snd_pcm_file *pcm_file; |
469 | struct snd_pcm_substream *substream; | |
1da177e4 LT |
470 | void __user *argp = compat_ptr(arg); |
471 | ||
472 | pcm_file = file->private_data; | |
473 | if (! pcm_file) | |
474 | return -ENOTTY; | |
475 | substream = pcm_file->substream; | |
476 | if (! substream) | |
477 | return -ENOTTY; | |
478 | ||
479 | /* | |
480 | * When PCM is used on 32bit mode, we need to disable | |
481 | * mmap of PCM status/control records because of the size | |
482 | * incompatibility. | |
483 | */ | |
548a648b | 484 | pcm_file->no_compat_mmap = 1; |
1da177e4 LT |
485 | |
486 | switch (cmd) { | |
487 | case SNDRV_PCM_IOCTL_PVERSION: | |
488 | case SNDRV_PCM_IOCTL_INFO: | |
5a7f2619 | 489 | case SNDRV_PCM_IOCTL_TSTAMP: |
6b587ef9 | 490 | case SNDRV_PCM_IOCTL_TTSTAMP: |
1da177e4 LT |
491 | case SNDRV_PCM_IOCTL_HWSYNC: |
492 | case SNDRV_PCM_IOCTL_PREPARE: | |
493 | case SNDRV_PCM_IOCTL_RESET: | |
494 | case SNDRV_PCM_IOCTL_START: | |
495 | case SNDRV_PCM_IOCTL_DROP: | |
496 | case SNDRV_PCM_IOCTL_DRAIN: | |
497 | case SNDRV_PCM_IOCTL_PAUSE: | |
498 | case SNDRV_PCM_IOCTL_HW_FREE: | |
499 | case SNDRV_PCM_IOCTL_RESUME: | |
500 | case SNDRV_PCM_IOCTL_XRUN: | |
501 | case SNDRV_PCM_IOCTL_LINK: | |
502 | case SNDRV_PCM_IOCTL_UNLINK: | |
503 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
0df63e44 | 504 | return snd_pcm_playback_ioctl1(file, substream, cmd, argp); |
1da177e4 | 505 | else |
0df63e44 | 506 | return snd_pcm_capture_ioctl1(file, substream, cmd, argp); |
1da177e4 LT |
507 | case SNDRV_PCM_IOCTL_HW_REFINE32: |
508 | return snd_pcm_ioctl_hw_params_compat(substream, 1, argp); | |
509 | case SNDRV_PCM_IOCTL_HW_PARAMS32: | |
510 | return snd_pcm_ioctl_hw_params_compat(substream, 0, argp); | |
511 | case SNDRV_PCM_IOCTL_SW_PARAMS32: | |
512 | return snd_pcm_ioctl_sw_params_compat(substream, argp); | |
513 | case SNDRV_PCM_IOCTL_STATUS32: | |
514 | return snd_pcm_status_user_compat(substream, argp); | |
515 | case SNDRV_PCM_IOCTL_SYNC_PTR32: | |
516 | return snd_pcm_ioctl_sync_ptr_compat(substream, argp); | |
517 | case SNDRV_PCM_IOCTL_CHANNEL_INFO32: | |
518 | return snd_pcm_ioctl_channel_info_compat(substream, argp); | |
519 | case SNDRV_PCM_IOCTL_WRITEI_FRAMES32: | |
520 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); | |
521 | case SNDRV_PCM_IOCTL_READI_FRAMES32: | |
522 | return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); | |
523 | case SNDRV_PCM_IOCTL_WRITEN_FRAMES32: | |
524 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); | |
525 | case SNDRV_PCM_IOCTL_READN_FRAMES32: | |
526 | return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); | |
527 | case SNDRV_PCM_IOCTL_DELAY32: | |
528 | return snd_pcm_ioctl_delay_compat(substream, argp); | |
529 | case SNDRV_PCM_IOCTL_REWIND32: | |
530 | return snd_pcm_ioctl_rewind_compat(substream, argp); | |
531 | case SNDRV_PCM_IOCTL_FORWARD32: | |
532 | return snd_pcm_ioctl_forward_compat(substream, argp); | |
533 | } | |
534 | ||
535 | return -ENOIOCTLCMD; | |
536 | } |