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hc
2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/sound/pci/es1938.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard
34  *  Copyright (c) by Jaromir Koutek <miri@punknet.cz>,
....@@ -10,22 +11,6 @@
1011  *
1112  *  TODO:
1213  *    Rewrite better spinlocks
13
- *
14
- *
15
- *   This program is free software; you can redistribute it and/or modify
16
- *   it under the terms of the GNU General Public License as published by
17
- *   the Free Software Foundation; either version 2 of the License, or
18
- *   (at your option) any later version.
19
- *
20
- *   This program is distributed in the hope that it will be useful,
21
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
22
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23
- *   GNU General Public License for more details.
24
- *
25
- *   You should have received a copy of the GNU General Public License
26
- *   along with this program; if not, write to the Free Software
27
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28
- *
2914  */
3015 
3116 /*
....@@ -878,25 +863,6 @@
878863 	return 0;
879864 }
880865 
881
-/*
882
- * buffer management
883
- */
884
-static int snd_es1938_pcm_hw_params(struct snd_pcm_substream *substream,
885
-				    struct snd_pcm_hw_params *hw_params)
886
-
887
-{
888
-	int err;
889
-
890
-	if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
891
-		return err;
892
-	return 0;
893
-}
894
-
895
-static int snd_es1938_pcm_hw_free(struct snd_pcm_substream *substream)
896
-{
897
-	return snd_pcm_lib_free_pages(substream);
898
-}
899
-
900866 /* ----------------------------------------------------------------------
901867  * Audio1 Capture (ADC)
902868  * ----------------------------------------------------------------------*/
....@@ -1011,9 +977,6 @@
1011977 static const struct snd_pcm_ops snd_es1938_playback_ops = {
1012978 	.open =		snd_es1938_playback_open,
1013979 	.close =	snd_es1938_playback_close,
1014
-	.ioctl =	snd_pcm_lib_ioctl,
1015
-	.hw_params =	snd_es1938_pcm_hw_params,
1016
-	.hw_free =	snd_es1938_pcm_hw_free,
1017980 	.prepare =	snd_es1938_playback_prepare,
1018981 	.trigger =	snd_es1938_playback_trigger,
1019982 	.pointer =	snd_es1938_playback_pointer,
....@@ -1022,9 +985,6 @@
1022985 static const struct snd_pcm_ops snd_es1938_capture_ops = {
1023986 	.open =		snd_es1938_capture_open,
1024987 	.close =	snd_es1938_capture_close,
1025
-	.ioctl =	snd_pcm_lib_ioctl,
1026
-	.hw_params =	snd_es1938_pcm_hw_params,
1027
-	.hw_free =	snd_es1938_pcm_hw_free,
1028988 	.prepare =	snd_es1938_capture_prepare,
1029989 	.trigger =	snd_es1938_capture_trigger,
1030990 	.pointer =	snd_es1938_capture_pointer,
....@@ -1046,8 +1006,8 @@
10461006 	pcm->info_flags = 0;
10471007 	strcpy(pcm->name, "ESS Solo-1");
10481008 
1049
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1050
-					      snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
1009
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1010
+				       &chip->pci->dev, 64*1024, 64*1024);
10511011 
10521012 	chip->pcm = pcm;
10531013 	return 0;
....@@ -1347,7 +1307,7 @@
13471307 
13481308 static const DECLARE_TLV_DB_SCALE(db_scale_capture, 0, 150, 0);
13491309 
1350
-static struct snd_kcontrol_new snd_es1938_controls[] = {
1310
+static const struct snd_kcontrol_new snd_es1938_controls[] = {
13511311 ES1938_DOUBLE_TLV("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0,
13521312 		  db_scale_master),
13531313 ES1938_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1),
....@@ -1460,7 +1420,7 @@
14601420  * PM support
14611421  */
14621422 
1463
-static unsigned char saved_regs[SAVED_REG_SIZE+1] = {
1423
+static const unsigned char saved_regs[SAVED_REG_SIZE+1] = {
14641424 	0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38,
14651425 	0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68,
14661426 	0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d,
....@@ -1472,10 +1432,10 @@
14721432 {
14731433 	struct snd_card *card = dev_get_drvdata(dev);
14741434 	struct es1938 *chip = card->private_data;
1475
-	unsigned char *s, *d;
1435
+	const unsigned char *s;
1436
+	unsigned char *d;
14761437 
14771438 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1478
-	snd_pcm_suspend_all(chip->pcm);
14791439 
14801440 	/* save mixer-related registers */
14811441 	for (s = saved_regs, d = chip->saved_regs; *s; s++, d++)
....@@ -1485,6 +1445,7 @@
14851445 	if (chip->irq >= 0) {
14861446 		free_irq(chip->irq, chip);
14871447 		chip->irq = -1;
1448
+		card->sync_irq = -1;
14881449 	}
14891450 	return 0;
14901451 }
....@@ -1494,7 +1455,8 @@
14941455 	struct pci_dev *pci = to_pci_dev(dev);
14951456 	struct snd_card *card = dev_get_drvdata(dev);
14961457 	struct es1938 *chip = card->private_data;
1497
-	unsigned char *s, *d;
1458
+	const unsigned char *s;
1459
+	unsigned char *d;
14981460 
14991461 	if (request_irq(pci->irq, snd_es1938_interrupt,
15001462 			IRQF_SHARED, KBUILD_MODNAME, chip)) {
....@@ -1504,6 +1466,7 @@
15041466 		return -EIO;
15051467 	}
15061468 	chip->irq = pci->irq;
1469
+	card->sync_irq = chip->irq;
15071470 	snd_es1938_chip_init(chip);
15081471 
15091472 	/* restore mixer-related registers */
....@@ -1587,7 +1550,7 @@
15871550 {
15881551 	struct es1938 *chip;
15891552 	int err;
1590
-	static struct snd_device_ops ops = {
1553
+	static const struct snd_device_ops ops = {
15911554 		.dev_free =	snd_es1938_dev_free,
15921555 	};
15931556 
....@@ -1632,6 +1595,7 @@
16321595 		return -EBUSY;
16331596 	}
16341597 	chip->irq = pci->irq;
1598
+	card->sync_irq = chip->irq;
16351599 	dev_dbg(card->dev,
16361600 		"create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n",
16371601 		   chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port);
....@@ -1655,7 +1619,8 @@
16551619 static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id)
16561620 {
16571621 	struct es1938 *chip = dev_id;
1658
-	unsigned char status, audiostatus;
1622
+	unsigned char status;
1623
+	__always_unused unsigned char audiostatus;
16591624 	int handled = 0;
16601625 
16611626 	status = inb(SLIO_REG(chip, IRQCONTROL));