From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/sound/mips/sgio2audio.c | 54 ++++++++----------------------------------------------
1 files changed, 8 insertions(+), 46 deletions(-)
diff --git a/kernel/sound/mips/sgio2audio.c b/kernel/sound/mips/sgio2audio.c
index 3ec9391..5bf1ea1 100644
--- a/kernel/sound/mips/sgio2audio.c
+++ b/kernel/sound/mips/sgio2audio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Sound driver for Silicon Graphics O2 Workstations A/V board audio.
*
@@ -5,21 +6,6 @@
* Copyright 2008 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
* Mxier part taken from mace_audio.c:
* Copyright 2007 Thorben Jändling <tj.trevelyan@gmail.com>
- *
- * 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>
@@ -591,21 +577,6 @@
return 0;
}
-
-/* hw_params callback */
-static int snd_sgio2audio_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- return snd_pcm_lib_alloc_vmalloc_buffer(substream,
- params_buffer_bytes(hw_params));
-}
-
-/* hw_free callback */
-static int snd_sgio2audio_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_vmalloc_buffer(substream);
-}
-
/* prepare callback */
static int snd_sgio2audio_pcm_prepare(struct snd_pcm_substream *substream)
{
@@ -678,37 +649,25 @@
static const struct snd_pcm_ops snd_sgio2audio_playback1_ops = {
.open = snd_sgio2audio_playback1_open,
.close = snd_sgio2audio_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_sgio2audio_pcm_hw_params,
- .hw_free = snd_sgio2audio_pcm_hw_free,
.prepare = snd_sgio2audio_pcm_prepare,
.trigger = snd_sgio2audio_pcm_trigger,
.pointer = snd_sgio2audio_pcm_pointer,
- .page = snd_pcm_lib_get_vmalloc_page,
};
static const struct snd_pcm_ops snd_sgio2audio_playback2_ops = {
.open = snd_sgio2audio_playback2_open,
.close = snd_sgio2audio_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_sgio2audio_pcm_hw_params,
- .hw_free = snd_sgio2audio_pcm_hw_free,
.prepare = snd_sgio2audio_pcm_prepare,
.trigger = snd_sgio2audio_pcm_trigger,
.pointer = snd_sgio2audio_pcm_pointer,
- .page = snd_pcm_lib_get_vmalloc_page,
};
static const struct snd_pcm_ops snd_sgio2audio_capture_ops = {
.open = snd_sgio2audio_capture_open,
.close = snd_sgio2audio_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_sgio2audio_pcm_hw_params,
- .hw_free = snd_sgio2audio_pcm_hw_free,
.prepare = snd_sgio2audio_pcm_prepare,
.trigger = snd_sgio2audio_pcm_trigger,
.pointer = snd_sgio2audio_pcm_pointer,
- .page = snd_pcm_lib_get_vmalloc_page,
};
/*
@@ -734,6 +693,7 @@
&snd_sgio2audio_playback1_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_sgio2audio_capture_ops);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
/* create second pcm device with one outputs and no input */
err = snd_pcm_new(chip->card, "SGI O2 Audio", 1, 1, 0, &pcm);
@@ -746,6 +706,7 @@
/* set operators */
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_sgio2audio_playback2_ops);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
return 0;
}
@@ -805,7 +766,7 @@
free_irq(snd_sgio2_isr_table[i].irq,
&chip->channel[snd_sgio2_isr_table[i].idx]);
- dma_free_coherent(NULL, MACEISA_RINGBUFFERS_SIZE,
+ dma_free_coherent(chip->card->dev, MACEISA_RINGBUFFERS_SIZE,
chip->ring_base, chip->ring_base_dma);
/* release card data */
@@ -820,7 +781,7 @@
return snd_sgio2audio_free(chip);
}
-static struct snd_device_ops ops = {
+static const struct snd_device_ops ops = {
.dev_free = snd_sgio2audio_dev_free,
};
@@ -843,8 +804,9 @@
chip->card = card;
- chip->ring_base = dma_alloc_coherent(NULL, MACEISA_RINGBUFFERS_SIZE,
- &chip->ring_base_dma, GFP_USER);
+ chip->ring_base = dma_alloc_coherent(card->dev,
+ MACEISA_RINGBUFFERS_SIZE,
+ &chip->ring_base_dma, GFP_KERNEL);
if (chip->ring_base == NULL) {
printk(KERN_ERR
"sgio2audio: could not allocate ring buffers\n");
--
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