From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/include/sound/memalloc.h | 36 +++++++++++++-----------------------
1 files changed, 13 insertions(+), 23 deletions(-)
diff --git a/kernel/include/sound/memalloc.h b/kernel/include/sound/memalloc.h
index 67561b9..5daa937 100644
--- a/kernel/include/sound/memalloc.h
+++ b/kernel/include/sound/memalloc.h
@@ -1,24 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Takashi Iwai <tiwai@suse.de>
*
* Generic memory allocators
- *
- *
- * 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
- *
*/
#ifndef __SOUND_MEMALLOC_H
@@ -36,8 +21,6 @@
struct device *dev; /* generic device */
};
-#define snd_dma_pci_data(pci) (&(pci)->dev)
-#define snd_dma_isa_data() NULL
#define snd_dma_continuous_data(x) ((struct device *)(__force unsigned long)(x))
@@ -47,16 +30,20 @@
#define SNDRV_DMA_TYPE_UNKNOWN 0 /* not defined */
#define SNDRV_DMA_TYPE_CONTINUOUS 1 /* continuous no-DMA memory */
#define SNDRV_DMA_TYPE_DEV 2 /* generic device continuous */
+#define SNDRV_DMA_TYPE_DEV_UC 5 /* continuous non-cahced */
#ifdef CONFIG_SND_DMA_SGBUF
#define SNDRV_DMA_TYPE_DEV_SG 3 /* generic device SG-buffer */
+#define SNDRV_DMA_TYPE_DEV_UC_SG 6 /* SG non-cached */
#else
#define SNDRV_DMA_TYPE_DEV_SG SNDRV_DMA_TYPE_DEV /* no SG-buf support */
+#define SNDRV_DMA_TYPE_DEV_UC_SG SNDRV_DMA_TYPE_DEV_UC
#endif
#ifdef CONFIG_GENERIC_ALLOCATOR
#define SNDRV_DMA_TYPE_DEV_IRAM 4 /* generic device iram-buffer */
#else
#define SNDRV_DMA_TYPE_DEV_IRAM SNDRV_DMA_TYPE_DEV
#endif
+#define SNDRV_DMA_TYPE_VMALLOC 7 /* vmalloc'ed buffer */
/*
* info for buffer allocation
@@ -107,7 +94,11 @@
size_t offset)
{
struct snd_sg_buf *sgbuf = dmab->private_data;
- dma_addr_t addr = sgbuf->table[offset >> PAGE_SHIFT].addr;
+ dma_addr_t addr;
+
+ if (!sgbuf)
+ return dmab->addr + offset;
+ addr = sgbuf->table[offset >> PAGE_SHIFT].addr;
addr &= ~((dma_addr_t)PAGE_SIZE - 1);
return addr + offset % PAGE_SIZE;
}
@@ -119,6 +110,9 @@
size_t offset)
{
struct snd_sg_buf *sgbuf = dmab->private_data;
+
+ if (!sgbuf)
+ return dmab->area + offset;
return sgbuf->table[offset >> PAGE_SHIFT].buf + offset % PAGE_SIZE;
}
@@ -148,10 +142,6 @@
int snd_dma_alloc_pages_fallback(int type, struct device *dev, size_t size,
struct snd_dma_buffer *dmab);
void snd_dma_free_pages(struct snd_dma_buffer *dmab);
-
-/* basic memory allocation functions */
-void *snd_malloc_pages(size_t size, gfp_t gfp_flags);
-void snd_free_pages(void *ptr, size_t size);
#endif /* __SOUND_MEMALLOC_H */
--
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