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2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771 
 kernel/sound/pci/via82xx.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *   ALSA driver for VIA VT82xx (South Bridge)
34  *
....@@ -6,21 +7,6 @@
67  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
78  *	                   Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com>
89  *                    2002 Takashi Iwai <tiwai@suse.de>
9
- *
10
- *   This program is free software; you can redistribute it and/or modify
11
- *   it under the terms of the GNU General Public License as published by
12
- *   the Free Software Foundation; either version 2 of the License, or
13
- *   (at your option) any later version.
14
- *
15
- *   This program is distributed in the hope that it will be useful,
16
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
- *   GNU General Public License for more details.
19
- *
20
- *   You should have received a copy of the GNU General Public License
21
- *   along with this program; if not, write to the Free Software
22
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23
- *
2410  */
2511 
2612 /*
....@@ -428,12 +414,13 @@
428414 {
429415 	unsigned int i, idx, ofs, rest;
430416 	struct via82xx *chip = snd_pcm_substream_chip(substream);
417
+	__le32 *pgtbl;
431418 
432419 	if (dev->table.area == NULL) {
433420 		/* the start of each lists must be aligned to 8 bytes,
434421 		 * but the kernel pages are much bigger, so we don't care
435422 		 */
436
-		if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
423
+		if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
437424 					PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8),
438425 					&dev->table) < 0)
439426 			return -ENOMEM;
....@@ -449,6 +436,7 @@
449436 	/* fill the entries */
450437 	idx = 0;
451438 	ofs = 0;
439
+	pgtbl = (__le32 *)dev->table.area;
452440 	for (i = 0; i < periods; i++) {
453441 		rest = fragsize;
454442 		/* fill descriptors for a period.
....@@ -465,7 +453,7 @@
465453 				return -EINVAL;
466454 			}
467455 			addr = snd_pcm_sgbuf_get_addr(substream, ofs);
468
-			((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr);
456
+			pgtbl[idx << 1] = cpu_to_le32(addr);
469457 			r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest);
470458 			rest -= r;
471459 			if (! rest) {
....@@ -480,7 +468,7 @@
480468 				"tbl %d: at %d  size %d (rest %d)\n",
481469 				idx, ofs, r, rest);
482470 			*/
483
-			((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag);
471
+			pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag);
484472 			dev->idx_table[idx].offset = ofs;
485473 			dev->idx_table[idx].size = r;
486474 			ofs += r;
....@@ -556,7 +544,7 @@
556544 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97)
557545 {
558546 	struct via82xx *chip = ac97->private_data;
559
-	int err;
547
+	__always_unused int err;
560548 	err = snd_via82xx_codec_ready(chip, ac97->num);
561549 	/* here we need to wait fairly for long time.. */
562550 	if (!nodelay)
....@@ -933,18 +921,10 @@
933921 {
934922 	struct via82xx *chip = snd_pcm_substream_chip(substream);
935923 	struct viadev *viadev = substream->runtime->private_data;
936
-	int err;
937924 
938
-	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
939
-	if (err < 0)
940
-		return err;
941
-	err = build_via_table(viadev, substream, chip->pci,
942
-			      params_periods(hw_params),
943
-			      params_period_bytes(hw_params));
944
-	if (err < 0)
945
-		return err;
946
-
947
-	return 0;
925
+	return build_via_table(viadev, substream, chip->pci,
926
+			       params_periods(hw_params),
927
+			       params_period_bytes(hw_params));
948928 }
949929 
950930 /*
....@@ -957,7 +937,6 @@
957937 	struct viadev *viadev = substream->runtime->private_data;
958938 
959939 	clean_via_table(viadev, substream, chip->pci);
960
-	snd_pcm_lib_free_pages(substream);
961940 	return 0;
962941 }
963942 
....@@ -1371,65 +1350,55 @@
13711350 static const struct snd_pcm_ops snd_via686_playback_ops = {
13721351 	.open =		snd_via686_playback_open,
13731352 	.close =	snd_via82xx_pcm_close,
1374
-	.ioctl =	snd_pcm_lib_ioctl,
13751353 	.hw_params =	snd_via82xx_hw_params,
13761354 	.hw_free =	snd_via82xx_hw_free,
13771355 	.prepare =	snd_via686_playback_prepare,
13781356 	.trigger =	snd_via82xx_pcm_trigger,
13791357 	.pointer =	snd_via686_pcm_pointer,
1380
-	.page =		snd_pcm_sgbuf_ops_page,
13811358 };
13821359 
13831360 /* via686 capture callbacks */
13841361 static const struct snd_pcm_ops snd_via686_capture_ops = {
13851362 	.open =		snd_via82xx_capture_open,
13861363 	.close =	snd_via82xx_pcm_close,
1387
-	.ioctl =	snd_pcm_lib_ioctl,
13881364 	.hw_params =	snd_via82xx_hw_params,
13891365 	.hw_free =	snd_via82xx_hw_free,
13901366 	.prepare =	snd_via686_capture_prepare,
13911367 	.trigger =	snd_via82xx_pcm_trigger,
13921368 	.pointer =	snd_via686_pcm_pointer,
1393
-	.page =		snd_pcm_sgbuf_ops_page,
13941369 };
13951370 
13961371 /* via823x DSX playback callbacks */
13971372 static const struct snd_pcm_ops snd_via8233_playback_ops = {
13981373 	.open =		snd_via8233_playback_open,
13991374 	.close =	snd_via8233_playback_close,
1400
-	.ioctl =	snd_pcm_lib_ioctl,
14011375 	.hw_params =	snd_via82xx_hw_params,
14021376 	.hw_free =	snd_via82xx_hw_free,
14031377 	.prepare =	snd_via8233_playback_prepare,
14041378 	.trigger =	snd_via82xx_pcm_trigger,
14051379 	.pointer =	snd_via8233_pcm_pointer,
1406
-	.page =		snd_pcm_sgbuf_ops_page,
14071380 };
14081381 
14091382 /* via823x multi-channel playback callbacks */
14101383 static const struct snd_pcm_ops snd_via8233_multi_ops = {
14111384 	.open =		snd_via8233_multi_open,
14121385 	.close =	snd_via82xx_pcm_close,
1413
-	.ioctl =	snd_pcm_lib_ioctl,
14141386 	.hw_params =	snd_via82xx_hw_params,
14151387 	.hw_free =	snd_via82xx_hw_free,
14161388 	.prepare =	snd_via8233_multi_prepare,
14171389 	.trigger =	snd_via82xx_pcm_trigger,
14181390 	.pointer =	snd_via8233_pcm_pointer,
1419
-	.page =		snd_pcm_sgbuf_ops_page,
14201391 };
14211392 
14221393 /* via823x capture callbacks */
14231394 static const struct snd_pcm_ops snd_via8233_capture_ops = {
14241395 	.open =		snd_via82xx_capture_open,
14251396 	.close =	snd_via82xx_pcm_close,
1426
-	.ioctl =	snd_pcm_lib_ioctl,
14271397 	.hw_params =	snd_via82xx_hw_params,
14281398 	.hw_free =	snd_via82xx_hw_free,
14291399 	.prepare =	snd_via8233_capture_prepare,
14301400 	.trigger =	snd_via82xx_pcm_trigger,
14311401 	.pointer =	snd_via8233_pcm_pointer,
1432
-	.page =		snd_pcm_sgbuf_ops_page,
14331402 };
14341403 
14351404 
....@@ -1472,9 +1441,9 @@
14721441 	/* capture */
14731442 	init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
14741443 
1475
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1476
-					      snd_dma_pci_data(chip->pci),
1477
-					      64*1024, VIA_MAX_BUFSIZE);
1444
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1445
+				       &chip->pci->dev,
1446
+				       64*1024, VIA_MAX_BUFSIZE);
14781447 
14791448 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
14801449 				     snd_pcm_std_chmaps, 2, 0,
....@@ -1496,9 +1465,9 @@
14961465 	/* set up capture */
14971466 	init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1);
14981467 
1499
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1500
-					      snd_dma_pci_data(chip->pci),
1501
-					      64*1024, VIA_MAX_BUFSIZE);
1468
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1469
+				       &chip->pci->dev,
1470
+				       64*1024, VIA_MAX_BUFSIZE);
15021471 
15031472 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
15041473 				     snd_pcm_alt_chmaps, 6, 0,
....@@ -1539,9 +1508,9 @@
15391508 	/* capture */
15401509 	init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
15411510 
1542
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1543
-					      snd_dma_pci_data(chip->pci),
1544
-					      64*1024, VIA_MAX_BUFSIZE);
1511
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1512
+				       &chip->pci->dev,
1513
+				       64*1024, VIA_MAX_BUFSIZE);
15451514 
15461515 	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
15471516 				     snd_pcm_alt_chmaps, 6, 0,
....@@ -1565,9 +1534,9 @@
15651534 	/* set up playback */
15661535 	init_viadev(chip, chip->playback_devno, 0x30, 3, 0);
15671536 
1568
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1569
-					      snd_dma_pci_data(chip->pci),
1570
-					      64*1024, VIA_MAX_BUFSIZE);
1537
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1538
+				       &chip->pci->dev,
1539
+				       64*1024, VIA_MAX_BUFSIZE);
15711540 	return 0;
15721541 }
15731542 
....@@ -1595,9 +1564,9 @@
15951564 	init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0);
15961565 	init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1);
15971566 
1598
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1599
-					      snd_dma_pci_data(chip->pci),
1600
-					      64*1024, VIA_MAX_BUFSIZE);
1567
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1568
+				       &chip->pci->dev,
1569
+				       64*1024, VIA_MAX_BUFSIZE);
16011570 	return 0;
16021571 }
16031572 
....@@ -1901,7 +1870,7 @@
19011870 {
19021871 	struct snd_ac97_template ac97;
19031872 	int err;
1904
-	static struct snd_ac97_bus_ops ops = {
1873
+	static const struct snd_ac97_bus_ops ops = {
19051874 		.write = snd_via82xx_codec_write,
19061875 		.read = snd_via82xx_codec_read,
19071876 		.wait = snd_via82xx_codec_wait,
....@@ -2144,10 +2113,8 @@
21442113 
21452114 static void snd_via82xx_proc_init(struct via82xx *chip)
21462115 {
2147
-	struct snd_info_entry *entry;
2148
-
2149
-	if (! snd_card_proc_new(chip->card, "via82xx", &entry))
2150
-		snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read);
2116
+	snd_card_ro_proc_new(chip->card, "via82xx", chip,
2117
+			     snd_via82xx_proc_read);
21512118 }
21522119 
21532120 /*
....@@ -2278,11 +2245,8 @@
22782245 	int i;
22792246 
22802247 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2281
-	for (i = 0; i < 2; i++)
2282
-		snd_pcm_suspend_all(chip->pcms[i]);
22832248 	for (i = 0; i < chip->num_devs; i++)
22842249 		snd_via82xx_channel_reset(chip, &chip->devs[i]);
2285
-	synchronize_irq(chip->irq);
22862250 	snd_ac97_suspend(chip->ac97);
22872251 
22882252 	/* save misc values */
....@@ -2370,7 +2334,7 @@
23702334 {
23712335 	struct via82xx *chip;
23722336 	int err;
2373
-        static struct snd_device_ops ops = {
2337
+	static const struct snd_device_ops ops = {
23742338 		.dev_free =	snd_via82xx_dev_free,
23752339         };
23762340 
....@@ -2413,9 +2377,9 @@
24132377 		return -EBUSY;
24142378 	}
24152379 	chip->irq = pci->irq;
2380
+	card->sync_irq = chip->irq;
24162381 	if (ac97_clock >= 8000 && ac97_clock <= 48000)
24172382 		chip->ac97_clock = ac97_clock;
2418
-	synchronize_irq(chip->irq);
24192383 
24202384 	if ((err = snd_via82xx_chip_init(chip)) < 0) {
24212385 		snd_via82xx_free(chip);
....@@ -2441,7 +2405,7 @@
24412405 	char *name;
24422406 	int type;
24432407 };
2444
-static struct via823x_info via823x_cards[] = {
2408
+static const struct via823x_info via823x_cards[] = {
24452409 	{ VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 },
24462410 	{ VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 },
24472411 	{ VIA_REV_8233, "VIA 8233", TYPE_VIA8233 },
....@@ -2455,7 +2419,7 @@
24552419  * auto detection of DXS channel supports.
24562420  */
24572421 
2458
-static struct snd_pci_quirk dxs_whitelist[] = {
2422
+static const struct snd_pci_quirk dxs_allowlist[] = {
24592423 	SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE),
24602424 	SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K),
24612425 	SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA),
....@@ -2503,9 +2467,9 @@
25032467 {
25042468 	const struct snd_pci_quirk *w;
25052469 
2506
-	w = snd_pci_quirk_lookup(pci, dxs_whitelist);
2470
+	w = snd_pci_quirk_lookup(pci, dxs_allowlist);
25072471 	if (w) {
2508
-		dev_dbg(&pci->dev, "DXS white list for %s found\n",
2472
+		dev_dbg(&pci->dev, "DXS allow list for %s found\n",
25092473 			    snd_pci_quirk_name(w));
25102474 		return w->value;
25112475 	}