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/soc/au1x/dbdma2.c | 81 +++++++++++++++++-----------------------
1 files changed, 34 insertions(+), 47 deletions(-)
diff --git a/kernel/sound/soc/au1x/dbdma2.c b/kernel/sound/soc/au1x/dbdma2.c
index a906560..3d67e27 100644
--- a/kernel/sound/soc/au1x/dbdma2.c
+++ b/kernel/sound/soc/au1x/dbdma2.c
@@ -1,15 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Au12x0/Au1550 PSC ALSA ASoC audio support.
*
* (c) 2007-2008 MSC Vertriebsges.m.b.H.,
* Manuel Lauss <manuel.lauss@gmail.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* DMA glue for Au1x-PSC audio.
- *
*/
@@ -186,27 +182,23 @@
return 0;
}
-static inline struct au1xpsc_audio_dmadata *to_dmadata(struct snd_pcm_substream *ss)
+static inline struct au1xpsc_audio_dmadata *to_dmadata(struct snd_pcm_substream *ss,
+ struct snd_soc_component *component)
{
- struct snd_soc_pcm_runtime *rtd = ss->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct au1xpsc_audio_dmadata *pcd = snd_soc_component_get_drvdata(component);
return &pcd[ss->stream];
}
-static int au1xpsc_pcm_hw_params(struct snd_pcm_substream *substream,
+static int au1xpsc_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct au1xpsc_audio_dmadata *pcd;
int stype, ret;
- ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
- if (ret < 0)
- goto out;
-
stype = substream->stream;
- pcd = to_dmadata(substream);
+ pcd = to_dmadata(substream, component);
DBG("runtime->dma_area = 0x%08lx dma_addr_t = 0x%08lx dma_size = %zu "
"runtime->min_align %lu\n",
@@ -236,15 +228,10 @@
return ret;
}
-static int au1xpsc_pcm_hw_free(struct snd_pcm_substream *substream)
+static int au1xpsc_pcm_prepare(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- snd_pcm_lib_free_pages(substream);
- return 0;
-}
-
-static int au1xpsc_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream);
+ struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream, component);
au1xxx_dbdma_reset(pcd->ddma_chan);
@@ -259,9 +246,10 @@
return 0;
}
-static int au1xpsc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int au1xpsc_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
- u32 c = to_dmadata(substream)->ddma_chan;
+ u32 c = to_dmadata(substream, component)->ddma_chan;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@@ -279,18 +267,21 @@
}
static snd_pcm_uframes_t
-au1xpsc_pcm_pointer(struct snd_pcm_substream *substream)
+au1xpsc_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- return bytes_to_frames(substream->runtime, to_dmadata(substream)->pos);
+ return bytes_to_frames(substream->runtime,
+ to_dmadata(substream, component)->pos);
}
-static int au1xpsc_pcm_open(struct snd_pcm_substream *substream)
+static int au1xpsc_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream);
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct au1xpsc_audio_dmadata *pcd = to_dmadata(substream, component);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int stype = substream->stream, *dmaids;
- dmaids = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ dmaids = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
if (!dmaids)
return -ENODEV; /* whoa, has ordering changed? */
@@ -300,29 +291,20 @@
return 0;
}
-static int au1xpsc_pcm_close(struct snd_pcm_substream *substream)
+static int au1xpsc_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- au1x_pcm_dbdma_free(to_dmadata(substream));
+ au1x_pcm_dbdma_free(to_dmadata(substream, component));
return 0;
}
-static const struct snd_pcm_ops au1xpsc_pcm_ops = {
- .open = au1xpsc_pcm_open,
- .close = au1xpsc_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = au1xpsc_pcm_hw_params,
- .hw_free = au1xpsc_pcm_hw_free,
- .prepare = au1xpsc_pcm_prepare,
- .trigger = au1xpsc_pcm_trigger,
- .pointer = au1xpsc_pcm_pointer,
-};
-
-static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int au1xpsc_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
struct snd_pcm *pcm = rtd->pcm;
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
card->dev, AU1XPSC_BUFFER_MIN_BYTES, (4096 * 1024) - 1);
return 0;
@@ -331,8 +313,13 @@
/* au1xpsc audio platform */
static struct snd_soc_component_driver au1xpsc_soc_component = {
.name = DRV_NAME,
- .ops = &au1xpsc_pcm_ops,
- .pcm_new = au1xpsc_pcm_new,
+ .open = au1xpsc_pcm_open,
+ .close = au1xpsc_pcm_close,
+ .hw_params = au1xpsc_pcm_hw_params,
+ .prepare = au1xpsc_pcm_prepare,
+ .trigger = au1xpsc_pcm_trigger,
+ .pointer = au1xpsc_pcm_pointer,
+ .pcm_construct = au1xpsc_pcm_new,
};
static int au1xpsc_pcm_drvprobe(struct platform_device *pdev)
--
Gitblit v1.6.2