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hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390 
 kernel/sound/pci/mixart/mixart.c
....@@ -1,23 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Driver for Digigram miXart soundcards
34  *
45  * main file with alsa callbacks
56  *
67  * Copyright (c) 2003 by Digigram <alsa@digigram.com>
7
- *
8
- *   This program is free software; you can redistribute it and/or modify
9
- *   it under the terms of the GNU General Public License as published by
10
- *   the Free Software Foundation; either version 2 of the License, or
11
- *   (at your option) any later version.
12
- *
13
- *   This program is distributed in the hope that it will be useful,
14
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
17
- *
18
- *   You should have received a copy of the GNU General Public License
19
- *   along with this program; if not, write to the Free Software
20
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
218  */
229 
2310 
....@@ -182,7 +169,7 @@
182169 	case PIPE_RUNNING:
183170 		if(rate != 0)
184171 			break;
185
-		/* fall through */
172
+		fallthrough;
186173 	default:
187174 		if(rate == 0)
188175 			return 0; /* nothing to do */
....@@ -637,10 +624,7 @@
637624 		return err;
638625 	}
639626 
640
-	/* allocate buffer */
641
-	err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
642
-
643
-	if (err > 0) {
627
+	if (subs->runtime->buffer_changed) {
644628 		struct mixart_bufferinfo *bufferinfo;
645629 		int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
646630 		if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
....@@ -660,13 +644,12 @@
660644 	}
661645 	mutex_unlock(&mgr->setup_mutex);
662646 
663
-	return err;
647
+	return 0;
664648 }
665649 
666650 static int snd_mixart_hw_free(struct snd_pcm_substream *subs)
667651 {
668652 	struct snd_mixart *chip = snd_pcm_substream_chip(subs);
669
-	snd_pcm_lib_free_pages(subs);
670653 	mixart_sync_nonblock_events(chip->mgr);
671654 	return 0;
672655 }
....@@ -926,7 +909,6 @@
926909 static const struct snd_pcm_ops snd_mixart_playback_ops = {
927910 	.open      = snd_mixart_playback_open,
928911 	.close     = snd_mixart_close,
929
-	.ioctl     = snd_pcm_lib_ioctl,
930912 	.prepare   = snd_mixart_prepare,
931913 	.hw_params = snd_mixart_hw_params,
932914 	.hw_free   = snd_mixart_hw_free,
....@@ -937,7 +919,6 @@
937919 static const struct snd_pcm_ops snd_mixart_capture_ops = {
938920 	.open      = snd_mixart_capture_open,
939921 	.close     = snd_mixart_close,
940
-	.ioctl     = snd_pcm_lib_ioctl,
941922 	.prepare   = snd_mixart_prepare,
942923 	.hw_params = snd_mixart_hw_params,
943924 	.hw_free   = snd_mixart_hw_free,
....@@ -960,8 +941,9 @@
960941 				(chip->chip_idx + 1) << 24;
961942 	}
962943 #endif
963
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
964
-					      snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
944
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
945
+				       &chip->mgr->pci->dev,
946
+				       32*1024, 32*1024);
965947 }
966948 
967949 /*
....@@ -1048,7 +1030,7 @@
10481030 {
10491031 	int err;
10501032 	struct snd_mixart *chip;
1051
-	static struct snd_device_ops ops = {
1033
+	static const struct snd_device_ops ops = {
10521034 		.dev_free = snd_mixart_chip_dev_free,
10531035 	};
10541036 
....@@ -1059,6 +1041,7 @@
10591041 	chip->card = card;
10601042 	chip->chip_idx = idx;
10611043 	chip->mgr = mgr;
1044
+	card->sync_irq = mgr->irq;
10621045 
10631046 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
10641047 		snd_mixart_chip_free(chip);
....@@ -1170,11 +1153,11 @@
11701153 	return count;
11711154 }
11721155 
1173
-static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1156
+static const struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
11741157 	.read   = snd_mixart_BA0_read,
11751158 };
11761159 
1177
-static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1160
+static const struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
11781161 	.read   = snd_mixart_BA1_read,
11791162 };
11801163 
....@@ -1220,10 +1203,8 @@
12201203 	struct snd_info_entry *entry;
12211204 
12221205 	/* text interface to read perf and temp meters */
1223
-	if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
1224
-		entry->private_data = chip;
1225
-		entry->c.text.read = snd_mixart_proc_read;
1226
-	}
1206
+	snd_card_ro_proc_new(chip->card, "board_info", chip,
1207
+			     snd_mixart_proc_read);
12271208 
12281209 	if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
12291210 		entry->content = SNDRV_INFO_CONTENT_DATA;
....@@ -1375,7 +1356,7 @@
13751356 	/* create array of streaminfo */
13761357 	size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
13771358 			    sizeof(struct mixart_flowinfo)) );
1378
-	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1359
+	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
13791360 				size, &mgr->flowinfo) < 0) {
13801361 		snd_mixart_free(mgr);
13811362 		return -ENOMEM;
....@@ -1386,7 +1367,7 @@
13861367 	/* create array of bufferinfo */
13871368 	size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
13881369 			    sizeof(struct mixart_bufferinfo)) );
1389
-	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1370
+	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
13901371 				size, &mgr->bufferinfo) < 0) {
13911372 		snd_mixart_free(mgr);
13921373 		return -ENOMEM;