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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/sound/pci/rme32.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *   ALSA driver for RME Digi32, Digi32/8 and Digi32 PRO audio interfaces
34  *
....@@ -8,21 +9,6 @@
89  *                         Henk Hesselink <henk@anda.nl>
910  *                         for writing the digi96-driver 
1011  *                         and RME for all informations.
11
- *
12
- *   This program is free software; you can redistribute it and/or modify
13
- *   it under the terms of the GNU General Public License as published by
14
- *   the Free Software Foundation; either version 2 of the License, or
15
- *   (at your option) any later version.
16
- *
17
- *   This program is distributed in the hope that it will be useful,
18
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
19
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
- *   GNU General Public License for more details.
21
- *
22
- *   You should have received a copy of the GNU General Public License
23
- *   along with this program; if not, write to the Free Software
24
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
- * 
2612  * 
2713  * ****************************************************************************
2814  * 
....@@ -319,7 +305,8 @@
319305 			 SNDRV_PCM_INFO_MMAP_VALID |
320306 			 SNDRV_PCM_INFO_INTERLEAVED | 
321307 			 SNDRV_PCM_INFO_PAUSE |
322
-			 SNDRV_PCM_INFO_SYNC_START),
308
+			 SNDRV_PCM_INFO_SYNC_START |
309
+			 SNDRV_PCM_INFO_SYNC_APPLPTR),
323310 	.formats =	(SNDRV_PCM_FMTBIT_S16_LE | 
324311 			 SNDRV_PCM_FMTBIT_S32_LE),
325312 	.rates =	(SNDRV_PCM_RATE_32000 |
....@@ -346,7 +333,8 @@
346333 			      SNDRV_PCM_INFO_MMAP_VALID |
347334 			      SNDRV_PCM_INFO_INTERLEAVED |
348335 			      SNDRV_PCM_INFO_PAUSE |
349
-			      SNDRV_PCM_INFO_SYNC_START),
336
+			      SNDRV_PCM_INFO_SYNC_START |
337
+			      SNDRV_PCM_INFO_SYNC_APPLPTR),
350338 	.formats=            SNDRV_PCM_FMTBIT_S16_LE,
351339 	.rates =             (SNDRV_PCM_RATE_44100 | 
352340 			      SNDRV_PCM_RATE_48000),
....@@ -370,7 +358,8 @@
370358 			 SNDRV_PCM_INFO_MMAP_VALID |
371359 			 SNDRV_PCM_INFO_INTERLEAVED | 
372360 			 SNDRV_PCM_INFO_PAUSE |
373
-			 SNDRV_PCM_INFO_SYNC_START),
361
+			 SNDRV_PCM_INFO_SYNC_START |
362
+			 SNDRV_PCM_INFO_SYNC_APPLPTR),
374363 	.formats =	(SNDRV_PCM_FMTBIT_S16_LE | 
375364 			 SNDRV_PCM_FMTBIT_S32_LE),
376365 	.rates =	(SNDRV_PCM_RATE_32000 |
....@@ -397,7 +386,8 @@
397386 			      SNDRV_PCM_INFO_MMAP_VALID |
398387 			      SNDRV_PCM_INFO_INTERLEAVED |
399388 			      SNDRV_PCM_INFO_PAUSE |
400
-			      SNDRV_PCM_INFO_SYNC_START),
389
+			      SNDRV_PCM_INFO_SYNC_START |
390
+			      SNDRV_PCM_INFO_SYNC_APPLPTR),
401391 	.formats=            SNDRV_PCM_FMTBIT_S16_LE,
402392 	.rates =             (SNDRV_PCM_RATE_44100 | 
403393 			      SNDRV_PCM_RATE_48000),
....@@ -672,11 +662,7 @@
672662 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
673663 	struct snd_pcm_runtime *runtime = substream->runtime;
674664 
675
-	if (rme32->fullduplex_mode) {
676
-		err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
677
-		if (err < 0)
678
-			return err;
679
-	} else {
665
+	if (!rme32->fullduplex_mode) {
680666 		runtime->dma_area = (void __force *)(rme32->iobase +
681667 						     RME32_IO_DATA_BUFFER);
682668 		runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
....@@ -727,11 +713,7 @@
727713 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
728714 	struct snd_pcm_runtime *runtime = substream->runtime;
729715 
730
-	if (rme32->fullduplex_mode) {
731
-		err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
732
-		if (err < 0)
733
-			return err;
734
-	} else {
716
+	if (!rme32->fullduplex_mode) {
735717 		runtime->dma_area = (void __force *)rme32->iobase +
736718 					RME32_IO_DATA_BUFFER;
737719 		runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
....@@ -779,14 +761,6 @@
779761 	spin_unlock_irq(&rme32->lock);
780762 
781763 	return 0;
782
-}
783
-
784
-static int snd_rme32_pcm_hw_free(struct snd_pcm_substream *substream)
785
-{
786
-	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
787
-	if (! rme32->fullduplex_mode)
788
-		return 0;
789
-	return snd_pcm_lib_free_pages(substream);
790764 }
791765 
792766 static void snd_rme32_pcm_start(struct rme32 * rme32, int from_pause)
....@@ -1104,16 +1078,6 @@
11041078 		snd_pcm_trigger_done(s, substream);
11051079 	}
11061080 	
1107
-	/* prefill playback buffer */
1108
-	if (cmd == SNDRV_PCM_TRIGGER_START && rme32->fullduplex_mode) {
1109
-		snd_pcm_group_for_each_entry(s, substream) {
1110
-			if (s == rme32->playback_substream) {
1111
-				s->ops->ack(s);
1112
-				break;
1113
-			}
1114
-		}
1115
-	}
1116
-
11171081 	switch (cmd) {
11181082 	case SNDRV_PCM_TRIGGER_START:
11191083 		if (rme32->running && ! RME32_ISWORKING(rme32))
....@@ -1213,9 +1177,7 @@
12131177 static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = {
12141178 	.open =		snd_rme32_playback_spdif_open,
12151179 	.close =	snd_rme32_playback_close,
1216
-	.ioctl =	snd_pcm_lib_ioctl,
12171180 	.hw_params =	snd_rme32_playback_hw_params,
1218
-	.hw_free =	snd_rme32_pcm_hw_free,
12191181 	.prepare =	snd_rme32_playback_prepare,
12201182 	.trigger =	snd_rme32_pcm_trigger,
12211183 	.pointer =	snd_rme32_playback_pointer,
....@@ -1228,9 +1190,7 @@
12281190 static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = {
12291191 	.open =		snd_rme32_capture_spdif_open,
12301192 	.close =	snd_rme32_capture_close,
1231
-	.ioctl =	snd_pcm_lib_ioctl,
12321193 	.hw_params =	snd_rme32_capture_hw_params,
1233
-	.hw_free =	snd_rme32_pcm_hw_free,
12341194 	.prepare =	snd_rme32_capture_prepare,
12351195 	.trigger =	snd_rme32_pcm_trigger,
12361196 	.pointer =	snd_rme32_capture_pointer,
....@@ -1242,7 +1202,6 @@
12421202 static const struct snd_pcm_ops snd_rme32_playback_adat_ops = {
12431203 	.open =		snd_rme32_playback_adat_open,
12441204 	.close =	snd_rme32_playback_close,
1245
-	.ioctl =	snd_pcm_lib_ioctl,
12461205 	.hw_params =	snd_rme32_playback_hw_params,
12471206 	.prepare =	snd_rme32_playback_prepare,
12481207 	.trigger =	snd_rme32_pcm_trigger,
....@@ -1256,7 +1215,6 @@
12561215 static const struct snd_pcm_ops snd_rme32_capture_adat_ops = {
12571216 	.open =		snd_rme32_capture_adat_open,
12581217 	.close =	snd_rme32_capture_close,
1259
-	.ioctl =	snd_pcm_lib_ioctl,
12601218 	.hw_params =	snd_rme32_capture_hw_params,
12611219 	.prepare =	snd_rme32_capture_prepare,
12621220 	.trigger =	snd_rme32_pcm_trigger,
....@@ -1270,9 +1228,7 @@
12701228 static const struct snd_pcm_ops snd_rme32_playback_spdif_fd_ops = {
12711229 	.open =		snd_rme32_playback_spdif_open,
12721230 	.close =	snd_rme32_playback_close,
1273
-	.ioctl =	snd_pcm_lib_ioctl,
12741231 	.hw_params =	snd_rme32_playback_hw_params,
1275
-	.hw_free =	snd_rme32_pcm_hw_free,
12761232 	.prepare =	snd_rme32_playback_prepare,
12771233 	.trigger =	snd_rme32_pcm_trigger,
12781234 	.pointer =	snd_rme32_playback_fd_pointer,
....@@ -1282,9 +1238,7 @@
12821238 static const struct snd_pcm_ops snd_rme32_capture_spdif_fd_ops = {
12831239 	.open =		snd_rme32_capture_spdif_open,
12841240 	.close =	snd_rme32_capture_close,
1285
-	.ioctl =	snd_pcm_lib_ioctl,
12861241 	.hw_params =	snd_rme32_capture_hw_params,
1287
-	.hw_free =	snd_rme32_pcm_hw_free,
12881242 	.prepare =	snd_rme32_capture_prepare,
12891243 	.trigger =	snd_rme32_pcm_trigger,
12901244 	.pointer =	snd_rme32_capture_fd_pointer,
....@@ -1294,7 +1248,6 @@
12941248 static const struct snd_pcm_ops snd_rme32_playback_adat_fd_ops = {
12951249 	.open =		snd_rme32_playback_adat_open,
12961250 	.close =	snd_rme32_playback_close,
1297
-	.ioctl =	snd_pcm_lib_ioctl,
12981251 	.hw_params =	snd_rme32_playback_hw_params,
12991252 	.prepare =	snd_rme32_playback_prepare,
13001253 	.trigger =	snd_rme32_pcm_trigger,
....@@ -1305,7 +1258,6 @@
13051258 static const struct snd_pcm_ops snd_rme32_capture_adat_fd_ops = {
13061259 	.open =		snd_rme32_capture_adat_open,
13071260 	.close =	snd_rme32_capture_close,
1308
-	.ioctl =	snd_pcm_lib_ioctl,
13091261 	.hw_params =	snd_rme32_capture_hw_params,
13101262 	.prepare =	snd_rme32_capture_prepare,
13111263 	.trigger =	snd_rme32_pcm_trigger,
....@@ -1364,7 +1316,7 @@
13641316 		return err;
13651317 	rme32->port = pci_resource_start(rme32->pci, 0);
13661318 
1367
-	rme32->iobase = ioremap_nocache(rme32->port, RME32_IO_SIZE);
1319
+	rme32->iobase = ioremap(rme32->port, RME32_IO_SIZE);
13681320 	if (!rme32->iobase) {
13691321 		dev_err(rme32->card->dev,
13701322 			"unable to remap memory region 0x%lx-0x%lx\n",
....@@ -1378,6 +1330,7 @@
13781330 		return -EBUSY;
13791331 	}
13801332 	rme32->irq = pci->irq;
1333
+	rme32->card->sync_irq = rme32->irq;
13811334 
13821335 	/* read the card's revision number */
13831336 	pci_read_config_byte(pci, 8, &rme32->rev);
....@@ -1394,9 +1347,8 @@
13941347 				&snd_rme32_playback_spdif_fd_ops);
13951348 		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_CAPTURE,
13961349 				&snd_rme32_capture_spdif_fd_ops);
1397
-		snd_pcm_lib_preallocate_pages_for_all(rme32->spdif_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1398
-						      snd_dma_continuous_data(GFP_KERNEL),
1399
-						      0, RME32_MID_BUFFER_SIZE);
1350
+		snd_pcm_set_managed_buffer_all(rme32->spdif_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1351
+					       NULL, 0, RME32_MID_BUFFER_SIZE);
14001352 		rme32->spdif_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
14011353 	} else {
14021354 		snd_pcm_set_ops(rme32->spdif_pcm, SNDRV_PCM_STREAM_PLAYBACK,
....@@ -1426,9 +1378,9 @@
14261378 					&snd_rme32_playback_adat_fd_ops);
14271379 			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_CAPTURE, 
14281380 					&snd_rme32_capture_adat_fd_ops);
1429
-			snd_pcm_lib_preallocate_pages_for_all(rme32->adat_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1430
-							      snd_dma_continuous_data(GFP_KERNEL),
1431
-							      0, RME32_MID_BUFFER_SIZE);
1381
+			snd_pcm_set_managed_buffer_all(rme32->adat_pcm, SNDRV_DMA_TYPE_CONTINUOUS,
1382
+						       NULL,
1383
+						       0, RME32_MID_BUFFER_SIZE);
14321384 			rme32->adat_pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
14331385 		} else {
14341386 			snd_pcm_set_ops(rme32->adat_pcm, SNDRV_PCM_STREAM_PLAYBACK, 
....@@ -1574,10 +1526,7 @@
15741526 
15751527 static void snd_rme32_proc_init(struct rme32 *rme32)
15761528 {
1577
-	struct snd_info_entry *entry;
1578
-
1579
-	if (! snd_card_proc_new(rme32->card, "rme32", &entry))
1580
-		snd_info_set_text_ops(entry, rme32, snd_rme32_proc_read);
1529
+	snd_card_ro_proc_new(rme32->card, "rme32", rme32, snd_rme32_proc_read);
15811530 }
15821531 
15831532 /*
....@@ -1847,7 +1796,7 @@
18471796 	return 0;
18481797 }
18491798 
1850
-static struct snd_kcontrol_new snd_rme32_controls[] = {
1799
+static const struct snd_kcontrol_new snd_rme32_controls[] = {
18511800 	{
18521801 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
18531802 		.name =	SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),