From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/sound/pci/emu10k1/emu10k1x.c |   59 +++++++++++++++++------------------------------------------
 1 files changed, 17 insertions(+), 42 deletions(-)

diff --git a/kernel/sound/pci/emu10k1/emu10k1x.c b/kernel/sound/pci/emu10k1/emu10k1x.c
index 611589c..def8161 100644
--- a/kernel/sound/pci/emu10k1/emu10k1x.c
+++ b/kernel/sound/pci/emu10k1/emu10k1x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
  *  Driver EMU10K1X chips
@@ -13,21 +14,6 @@
  *  Chips (SB0200 model):
  *    - EMU10K1X-DBQ
  *    - STAC 9708T
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -425,8 +411,7 @@
 		epcm->voice->epcm = epcm;
 	}
 
-	return snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
+	return 0;
 }
 
 /* hw_free callback */
@@ -446,7 +431,7 @@
 		epcm->voice = NULL;
 	}
 
-	return snd_pcm_lib_free_pages(substream);
+	return 0;
 }
 
 /* prepare callback */
@@ -551,7 +536,6 @@
 static const struct snd_pcm_ops snd_emu10k1x_playback_ops = {
 	.open =        snd_emu10k1x_playback_open,
 	.close =       snd_emu10k1x_playback_close,
-	.ioctl =       snd_pcm_lib_ioctl,
 	.hw_params =   snd_emu10k1x_pcm_hw_params,
 	.hw_free =     snd_emu10k1x_pcm_hw_free,
 	.prepare =     snd_emu10k1x_pcm_prepare,
@@ -608,8 +592,7 @@
 		epcm->voice->use = 1;
 	}
 
-	return snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
+	return 0;
 }
 
 /* hw_free callback */
@@ -629,7 +612,7 @@
 		epcm->voice = NULL;
 	}
 
-	return snd_pcm_lib_free_pages(substream);
+	return 0;
 }
 
 /* prepare capture callback */
@@ -697,7 +680,6 @@
 static const struct snd_pcm_ops snd_emu10k1x_capture_ops = {
 	.open =        snd_emu10k1x_pcm_open_capture,
 	.close =       snd_emu10k1x_pcm_close_capture,
-	.ioctl =       snd_pcm_lib_ioctl,
 	.hw_params =   snd_emu10k1x_pcm_hw_params_capture,
 	.hw_free =     snd_emu10k1x_pcm_hw_free_capture,
 	.prepare =     snd_emu10k1x_pcm_prepare_capture,
@@ -736,7 +718,7 @@
 	struct snd_ac97_bus *pbus;
 	struct snd_ac97_template ac97;
 	int err;
-	static struct snd_ac97_bus_ops ops = {
+	static const struct snd_ac97_bus_ops ops = {
 		.write = snd_emu10k1x_ac97_write,
 		.read = snd_emu10k1x_ac97_read,
 	};
@@ -890,9 +872,8 @@
 	}
 	emu->pcm = pcm;
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-					      snd_dma_pci_data(emu->pci), 
-					      32*1024, 32*1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+				       &emu->pci->dev, 32*1024, 32*1024);
   
 	return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
 				     1 << 2, NULL);
@@ -905,7 +886,7 @@
 	struct emu10k1x *chip;
 	int err;
 	int ch;
-	static struct snd_device_ops ops = {
+	static const struct snd_device_ops ops = {
 		.dev_free = snd_emu10k1x_dev_free,
 	};
 
@@ -949,9 +930,10 @@
 		return -EBUSY;
 	}
 	chip->irq = pci->irq;
+	card->sync_irq = chip->irq;
   
-	if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
-			       4 * 1024, &chip->dma_buffer) < 0) {
+	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
+				4 * 1024, &chip->dma_buffer) < 0) {
 		snd_emu10k1x_free(chip);
 		return -ENOMEM;
 	}
@@ -1058,22 +1040,16 @@
 		if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
 			continue;
 
-		if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
+		if (reg < 0x49 && channel_id <= 2)
 			snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
 	}
 }
 
 static int snd_emu10k1x_proc_init(struct emu10k1x *emu)
 {
-	struct snd_info_entry *entry;
-	
-	if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
-		snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read);
-		entry->c.text.write = snd_emu10k1x_proc_reg_write;
-		entry->mode |= 0200;
-		entry->private_data = emu;
-	}
-	
+	snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu,
+			     snd_emu10k1x_proc_reg_read,
+			     snd_emu10k1x_proc_reg_write);
 	return 0;
 }
 
@@ -1094,7 +1070,6 @@
 {
 	struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
 	unsigned int val;
-	int change = 0;
 
 	val = ucontrol->value.integer.value[0] ;
 
@@ -1109,7 +1084,7 @@
 		snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
 		snd_emu10k1x_gpio_write(emu, 0x1080);
 	}
-	return change;
+	return 0;
 }
 
 static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =

--
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