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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/sound/pci/intel8x0m.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *   ALSA modem driver for Intel ICH (i8x0) chipsets
34  *
....@@ -5,22 +6,6 @@
56  *
67  *   This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version
78  *   of ALSA ICH sound driver intel8x0.c .
8
- *
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
- *
249  */      
2510 
2611 #include <linux/io.h>
....@@ -303,7 +288,7 @@
303288 /* return the GLOB_STA bit for the corresponding codec */
304289 static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec)
305290 {
306
-	static unsigned int codec_bit[3] = {
291
+	static const unsigned int codec_bit[3] = {
307292 		ICH_PCR, ICH_SCR, ICH_TCR
308293 	};
309294 	if (snd_BUG_ON(codec >= 3))
....@@ -568,17 +553,6 @@
568553 	return 0;
569554 }
570555 
571
-static int snd_intel8x0m_hw_params(struct snd_pcm_substream *substream,
572
-				  struct snd_pcm_hw_params *hw_params)
573
-{
574
-	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
575
-}
576
-
577
-static int snd_intel8x0m_hw_free(struct snd_pcm_substream *substream)
578
-{
579
-	return snd_pcm_lib_free_pages(substream);
580
-}
581
-
582556 static snd_pcm_uframes_t snd_intel8x0m_pcm_pointer(struct snd_pcm_substream *substream)
583557 {
584558 	struct intel8x0m *chip = snd_pcm_substream_chip(substream);
....@@ -688,9 +662,6 @@
688662 static const struct snd_pcm_ops snd_intel8x0m_playback_ops = {
689663 	.open =		snd_intel8x0m_playback_open,
690664 	.close =	snd_intel8x0m_playback_close,
691
-	.ioctl =	snd_pcm_lib_ioctl,
692
-	.hw_params =	snd_intel8x0m_hw_params,
693
-	.hw_free =	snd_intel8x0m_hw_free,
694665 	.prepare =	snd_intel8x0m_pcm_prepare,
695666 	.trigger =	snd_intel8x0m_pcm_trigger,
696667 	.pointer =	snd_intel8x0m_pcm_pointer,
....@@ -699,9 +670,6 @@
699670 static const struct snd_pcm_ops snd_intel8x0m_capture_ops = {
700671 	.open =		snd_intel8x0m_capture_open,
701672 	.close =	snd_intel8x0m_capture_close,
702
-	.ioctl =	snd_pcm_lib_ioctl,
703
-	.hw_params =	snd_intel8x0m_hw_params,
704
-	.hw_free =	snd_intel8x0m_hw_free,
705673 	.prepare =	snd_intel8x0m_pcm_prepare,
706674 	.trigger =	snd_intel8x0m_pcm_trigger,
707675 	.pointer =	snd_intel8x0m_pcm_pointer,
....@@ -718,7 +686,7 @@
718686 };
719687 
720688 static int snd_intel8x0m_pcm1(struct intel8x0m *chip, int device,
721
-			      struct ich_pcm_table *rec)
689
+			      const struct ich_pcm_table *rec)
722690 {
723691 	struct snd_pcm *pcm;
724692 	int err;
....@@ -748,15 +716,15 @@
748716 		strcpy(pcm->name, chip->card->shortname);
749717 	chip->pcm[device] = pcm;
750718 
751
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
752
-					      snd_dma_pci_data(chip->pci),
753
-					      rec->prealloc_size,
754
-					      rec->prealloc_max_size);
719
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
720
+				       &chip->pci->dev,
721
+				       rec->prealloc_size,
722
+				       rec->prealloc_max_size);
755723 
756724 	return 0;
757725 }
758726 
759
-static struct ich_pcm_table intel_pcms[] = {
727
+static const struct ich_pcm_table intel_pcms[] = {
760728 	{
761729 		.suffix = "Modem",
762730 		.playback_ops = &snd_intel8x0m_playback_ops,
....@@ -769,7 +737,7 @@
769737 static int snd_intel8x0m_pcm(struct intel8x0m *chip)
770738 {
771739 	int i, tblsize, device, err;
772
-	struct ich_pcm_table *tbl, *rec;
740
+	const struct ich_pcm_table *tbl, *rec;
773741 
774742 #if 1
775743 	tbl = intel_pcms;
....@@ -833,7 +801,7 @@
833801 	struct snd_ac97 *x97;
834802 	int err;
835803 	unsigned int glob_sta = 0;
836
-	static struct snd_ac97_bus_ops ops = {
804
+	static const struct snd_ac97_bus_ops ops = {
837805 		.write = snd_intel8x0m_codec_write,
838806 		.read = snd_intel8x0m_codec_read,
839807 	};
....@@ -1025,15 +993,13 @@
1025993 {
1026994 	struct snd_card *card = dev_get_drvdata(dev);
1027995 	struct intel8x0m *chip = card->private_data;
1028
-	int i;
1029996 
1030997 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1031
-	for (i = 0; i < chip->pcm_devs; i++)
1032
-		snd_pcm_suspend_all(chip->pcm[i]);
1033998 	snd_ac97_suspend(chip->ac97);
1034999 	if (chip->irq >= 0) {
10351000 		free_irq(chip->irq, chip);
10361001 		chip->irq = -1;
1002
+		card->sync_irq = -1;
10371003 	}
10381004 	return 0;
10391005 }
....@@ -1052,6 +1018,7 @@
10521018 		return -EIO;
10531019 	}
10541020 	chip->irq = pci->irq;
1021
+	card->sync_irq = chip->irq;
10551022 	snd_intel8x0m_chip_init(chip, 0);
10561023 	snd_ac97_resume(chip->ac97);
10571024 
....@@ -1087,10 +1054,8 @@
10871054 
10881055 static void snd_intel8x0m_proc_init(struct intel8x0m *chip)
10891056 {
1090
-	struct snd_info_entry *entry;
1091
-
1092
-	if (! snd_card_proc_new(chip->card, "intel8x0m", &entry))
1093
-		snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read);
1057
+	snd_card_ro_proc_new(chip->card, "intel8x0m", chip,
1058
+			     snd_intel8x0m_proc_read);
10941059 }
10951060 
10961061 static int snd_intel8x0m_dev_free(struct snd_device *device)
....@@ -1114,14 +1079,14 @@
11141079 	unsigned int i;
11151080 	unsigned int int_sta_masks;
11161081 	struct ichdev *ichdev;
1117
-	static struct snd_device_ops ops = {
1082
+	static const struct snd_device_ops ops = {
11181083 		.dev_free =	snd_intel8x0m_dev_free,
11191084 	};
1120
-	static struct ich_reg_info intel_regs[2] = {
1085
+	static const struct ich_reg_info intel_regs[2] = {
11211086 		{ ICH_MIINT, 0 },
11221087 		{ ICH_MOINT, 0x10 },
11231088 	};
1124
-	struct ich_reg_info *tbl;
1089
+	const struct ich_reg_info *tbl;
11251090 
11261091 	*r_intel8x0m = NULL;
11271092 
....@@ -1196,7 +1161,7 @@
11961161 
11971162 	/* allocate buffer descriptor lists */
11981163 	/* the start of each lists must be aligned to 8 bytes */
1199
-	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1164
+	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
12001165 				chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
12011166 				&chip->bdbars) < 0) {
12021167 		snd_intel8x0m_free(chip);
....@@ -1228,6 +1193,7 @@
12281193 		return -EBUSY;
12291194 	}
12301195 	chip->irq = pci->irq;
1196
+	card->sync_irq = chip->irq;
12311197 
12321198 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
12331199 		snd_intel8x0m_free(chip);