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/xtensa/xtfpga-i2s.c | 60 ++++++++++++++++++++++++++----------------------------------
1 files changed, 26 insertions(+), 34 deletions(-)
diff --git a/kernel/sound/soc/xtensa/xtfpga-i2s.c b/kernel/sound/soc/xtensa/xtfpga-i2s.c
index 5035609..aeb4b2c 100644
--- a/kernel/sound/soc/xtensa/xtfpga-i2s.c
+++ b/kernel/sound/soc/xtensa/xtfpga-i2s.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Xtfpga I2S controller driver
*
* Copyright (c) 2014 Cadence Design Systems Inc.
- *
- * 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.
*/
#include <linux/clk.h>
@@ -368,29 +365,31 @@
.fifo_size = 16,
};
-static int xtfpga_pcm_open(struct snd_pcm_substream *substream)
+static int xtfpga_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
void *p;
snd_soc_set_runtime_hwparams(substream, &xtfpga_pcm_hardware);
- p = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+ p = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
runtime->private_data = p;
return 0;
}
-static int xtfpga_pcm_close(struct snd_pcm_substream *substream)
+static int xtfpga_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
synchronize_rcu();
return 0;
}
-static int xtfpga_pcm_hw_params(struct snd_pcm_substream *substream,
+static int xtfpga_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
- int ret;
struct snd_pcm_runtime *runtime = substream->runtime;
struct xtfpga_i2s *i2s = runtime->private_data;
unsigned channels = params_channels(hw_params);
@@ -422,12 +421,11 @@
return -EINVAL;
}
- ret = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- return ret;
+ return 0;
}
-static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int xtfpga_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -455,7 +453,8 @@
return ret;
}
-static snd_pcm_uframes_t xtfpga_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t xtfpga_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct xtfpga_i2s *i2s = runtime->private_data;
@@ -464,29 +463,25 @@
return pos < runtime->buffer_size ? pos : 0;
}
-static int xtfpga_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int xtfpga_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
size_t size = xtfpga_pcm_hardware.buffer_bytes_max;
- return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
- SNDRV_DMA_TYPE_DEV,
- card->dev, size, size);
+ snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+ card->dev, size, size);
+ return 0;
}
-
-static const struct snd_pcm_ops xtfpga_pcm_ops = {
- .open = xtfpga_pcm_open,
- .close = xtfpga_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = xtfpga_pcm_hw_params,
- .trigger = xtfpga_pcm_trigger,
- .pointer = xtfpga_pcm_pointer,
-};
static const struct snd_soc_component_driver xtfpga_i2s_component = {
.name = DRV_NAME,
- .pcm_new = xtfpga_pcm_new,
- .ops = &xtfpga_pcm_ops,
+ .open = xtfpga_pcm_open,
+ .close = xtfpga_pcm_close,
+ .hw_params = xtfpga_pcm_hw_params,
+ .trigger = xtfpga_pcm_trigger,
+ .pointer = xtfpga_pcm_pointer,
+ .pcm_construct = xtfpga_pcm_new,
};
static const struct snd_soc_dai_ops xtfpga_i2s_dai_ops = {
@@ -534,7 +529,6 @@
static int xtfpga_i2s_probe(struct platform_device *pdev)
{
struct xtfpga_i2s *i2s;
- struct resource *mem;
int err, irq;
i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
@@ -546,8 +540,7 @@
i2s->dev = &pdev->dev;
dev_dbg(&pdev->dev, "dev: %p, i2s: %p\n", &pdev->dev, i2s);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- i2s->regs = devm_ioremap_resource(&pdev->dev, mem);
+ i2s->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(i2s->regs)) {
err = PTR_ERR(i2s->regs);
goto err;
@@ -575,7 +568,6 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(&pdev->dev, "No IRQ resource\n");
err = irq;
goto err;
}
--
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