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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/sound/pci/oxygen/oxygen_pcm.c
....@@ -1,20 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * C-Media CMI8788 driver - PCM code
34  *
45  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5
- *
6
- *
7
- *  This driver is free software; you can redistribute it and/or modify
8
- *  it under the terms of the GNU General Public License, version 2.
9
- *
10
- *  This driver 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 driver; if not, write to the Free Software
17
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
186  */
197 
208 #include <linux/pci.h>
....@@ -149,7 +137,7 @@
149137 					       SNDRV_PCM_RATE_64000);
150138 			runtime->hw.rate_min = 44100;
151139 		}
152
-		/* fall through */
140
+		fallthrough;
153141 	case PCM_A:
154142 	case PCM_B:
155143 		runtime->hw.fifo_size = 0;
....@@ -316,12 +304,6 @@
316304 {
317305 	struct oxygen *chip = snd_pcm_substream_chip(substream);
318306 	unsigned int channel = oxygen_substream_channel(substream);
319
-	int err;
320
-
321
-	err = snd_pcm_lib_malloc_pages(substream,
322
-				       params_buffer_bytes(hw_params));
323
-	if (err < 0)
324
-		return err;
325307 
326308 	oxygen_write32(chip, channel_base_registers[channel],
327309 		       (u32)substream->runtime->dma_addr);
....@@ -541,7 +523,7 @@
541523 	oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
542524 	spin_unlock_irq(&chip->reg_lock);
543525 
544
-	return snd_pcm_lib_free_pages(substream);
526
+	return 0;
545527 }
546528 
547529 static int oxygen_spdif_hw_free(struct snd_pcm_substream *substream)
....@@ -634,7 +616,6 @@
634616 static const struct snd_pcm_ops oxygen_rec_a_ops = {
635617 	.open      = oxygen_rec_a_open,
636618 	.close     = oxygen_close,
637
-	.ioctl     = snd_pcm_lib_ioctl,
638619 	.hw_params = oxygen_rec_a_hw_params,
639620 	.hw_free   = oxygen_hw_free,
640621 	.prepare   = oxygen_prepare,
....@@ -645,7 +626,6 @@
645626 static const struct snd_pcm_ops oxygen_rec_b_ops = {
646627 	.open      = oxygen_rec_b_open,
647628 	.close     = oxygen_close,
648
-	.ioctl     = snd_pcm_lib_ioctl,
649629 	.hw_params = oxygen_rec_b_hw_params,
650630 	.hw_free   = oxygen_hw_free,
651631 	.prepare   = oxygen_prepare,
....@@ -656,7 +636,6 @@
656636 static const struct snd_pcm_ops oxygen_rec_c_ops = {
657637 	.open      = oxygen_rec_c_open,
658638 	.close     = oxygen_close,
659
-	.ioctl     = snd_pcm_lib_ioctl,
660639 	.hw_params = oxygen_rec_c_hw_params,
661640 	.hw_free   = oxygen_hw_free,
662641 	.prepare   = oxygen_prepare,
....@@ -667,7 +646,6 @@
667646 static const struct snd_pcm_ops oxygen_spdif_ops = {
668647 	.open      = oxygen_spdif_open,
669648 	.close     = oxygen_close,
670
-	.ioctl     = snd_pcm_lib_ioctl,
671649 	.hw_params = oxygen_spdif_hw_params,
672650 	.hw_free   = oxygen_spdif_hw_free,
673651 	.prepare   = oxygen_prepare,
....@@ -678,7 +656,6 @@
678656 static const struct snd_pcm_ops oxygen_multich_ops = {
679657 	.open      = oxygen_multich_open,
680658 	.close     = oxygen_close,
681
-	.ioctl     = snd_pcm_lib_ioctl,
682659 	.hw_params = oxygen_multich_hw_params,
683660 	.hw_free   = oxygen_hw_free,
684661 	.prepare   = oxygen_prepare,
....@@ -689,7 +666,6 @@
689666 static const struct snd_pcm_ops oxygen_ac97_ops = {
690667 	.open      = oxygen_ac97_open,
691668 	.close     = oxygen_close,
692
-	.ioctl     = snd_pcm_lib_ioctl,
693669 	.hw_params = oxygen_hw_params,
694670 	.hw_free   = oxygen_hw_free,
695671 	.prepare   = oxygen_prepare,
....@@ -723,17 +699,17 @@
723699 		pcm->private_data = chip;
724700 		strcpy(pcm->name, "Multichannel");
725701 		if (outs)
726
-			snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
727
-						      SNDRV_DMA_TYPE_DEV,
728
-						      snd_dma_pci_data(chip->pci),
729
-						      DEFAULT_BUFFER_BYTES_MULTICH,
730
-						      BUFFER_BYTES_MAX_MULTICH);
702
+			snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
703
+						   SNDRV_DMA_TYPE_DEV,
704
+						   &chip->pci->dev,
705
+						   DEFAULT_BUFFER_BYTES_MULTICH,
706
+						   BUFFER_BYTES_MAX_MULTICH);
731707 		if (ins)
732
-			snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
733
-						      SNDRV_DMA_TYPE_DEV,
734
-						      snd_dma_pci_data(chip->pci),
735
-						      DEFAULT_BUFFER_BYTES,
736
-						      BUFFER_BYTES_MAX);
708
+			snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
709
+						   SNDRV_DMA_TYPE_DEV,
710
+						   &chip->pci->dev,
711
+						   DEFAULT_BUFFER_BYTES,
712
+						   BUFFER_BYTES_MAX);
737713 	}
738714 
739715 	outs = !!(chip->model.device_config & PLAYBACK_1_TO_SPDIF);
....@@ -750,10 +726,10 @@
750726 					&oxygen_rec_c_ops);
751727 		pcm->private_data = chip;
752728 		strcpy(pcm->name, "Digital");
753
-		snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
754
-						      snd_dma_pci_data(chip->pci),
755
-						      DEFAULT_BUFFER_BYTES,
756
-						      BUFFER_BYTES_MAX);
729
+		snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
730
+					       &chip->pci->dev,
731
+					       DEFAULT_BUFFER_BYTES,
732
+					       BUFFER_BYTES_MAX);
757733 	}
758734 
759735 	if (chip->has_ac97_1) {
....@@ -780,10 +756,10 @@
780756 					&oxygen_rec_b_ops);
781757 		pcm->private_data = chip;
782758 		strcpy(pcm->name, outs ? "Front Panel" : "Analog 2");
783
-		snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
784
-						      snd_dma_pci_data(chip->pci),
785
-						      DEFAULT_BUFFER_BYTES,
786
-						      BUFFER_BYTES_MAX);
759
+		snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
760
+					       &chip->pci->dev,
761
+					       DEFAULT_BUFFER_BYTES,
762
+					       BUFFER_BYTES_MAX);
787763 	}
788764 
789765 	ins = !!(chip->model.device_config & CAPTURE_3_FROM_I2S_3);
....@@ -798,10 +774,10 @@
798774 				     OXYGEN_REC_C_ROUTE_MASK);
799775 		pcm->private_data = chip;
800776 		strcpy(pcm->name, "Analog 3");
801
-		snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
802
-						      snd_dma_pci_data(chip->pci),
803
-						      DEFAULT_BUFFER_BYTES,
804
-						      BUFFER_BYTES_MAX);
777
+		snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
778
+					       &chip->pci->dev,
779
+					       DEFAULT_BUFFER_BYTES,
780
+					       BUFFER_BYTES_MAX);
805781 	}
806782 	return 0;
807783 }