From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/sound/soc/fsl/mpc5200_dma.c | 83 ++++++++++++++++++++---------------------
1 files changed, 41 insertions(+), 42 deletions(-)
diff --git a/kernel/sound/soc/fsl/mpc5200_dma.c b/kernel/sound/soc/fsl/mpc5200_dma.c
index c1a4544..2319848 100644
--- a/kernel/sound/soc/fsl/mpc5200_dma.c
+++ b/kernel/sound/soc/fsl/mpc5200_dma.c
@@ -1,10 +1,10 @@
-/*
- * Freescale MPC5200 PSC DMA
- * ALSA SoC Platform driver
- *
- * Copyright (C) 2008 Secret Lab Technologies Ltd.
- * Copyright (C) 2009 Jon Smirl, Digispeaker
- */
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Freescale MPC5200 PSC DMA
+// ALSA SoC Platform driver
+//
+// Copyright (C) 2008 Secret Lab Technologies Ltd.
+// Copyright (C) 2009 Jon Smirl, Digispeaker
#include <linux/module.h>
#include <linux/of_device.h>
@@ -98,7 +98,8 @@
return IRQ_HANDLED;
}
-static int psc_dma_hw_free(struct snd_pcm_substream *substream)
+static int psc_dma_hw_free(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
@@ -110,10 +111,11 @@
* This function is called by ALSA to start, stop, pause, and resume the DMA
* transfer of data.
*/
-static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd)
+static int psc_dma_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
struct snd_pcm_runtime *runtime = substream->runtime;
struct psc_dma_stream *s = to_psc_dma_stream(substream, psc_dma);
struct mpc52xx_psc __iomem *regs = psc_dma->psc_regs;
@@ -210,11 +212,12 @@
.fifo_size = 512,
};
-static int psc_dma_open(struct snd_pcm_substream *substream)
+static int psc_dma_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 psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
struct psc_dma_stream *s;
int rc;
@@ -238,10 +241,11 @@
return 0;
}
-static int psc_dma_close(struct snd_pcm_substream *substream)
+static int psc_dma_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
struct psc_dma_stream *s;
dev_dbg(psc_dma->dev, "psc_dma_close(substream=%p)\n", substream);
@@ -263,10 +267,11 @@
}
static snd_pcm_uframes_t
-psc_dma_pointer(struct snd_pcm_substream *substream)
+psc_dma_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct psc_dma *psc_dma = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
struct psc_dma_stream *s;
dma_addr_t count;
@@ -280,30 +285,20 @@
return bytes_to_frames(substream->runtime, count);
}
-static int
-psc_dma_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int psc_dma_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
{
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
return 0;
}
-static const struct snd_pcm_ops psc_dma_ops = {
- .open = psc_dma_open,
- .close = psc_dma_close,
- .hw_free = psc_dma_hw_free,
- .ioctl = snd_pcm_lib_ioctl,
- .pointer = psc_dma_pointer,
- .trigger = psc_dma_trigger,
- .hw_params = psc_dma_hw_params,
-};
-
-static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
+static int psc_dma_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
- struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_pcm *pcm = rtd->pcm;
size_t size = psc_dma_hardware.buffer_bytes_max;
int rc;
@@ -341,10 +336,9 @@
return -ENOMEM;
}
-static void psc_dma_free(struct snd_pcm *pcm)
+static void psc_dma_free(struct snd_soc_component *component,
+ struct snd_pcm *pcm)
{
- struct snd_soc_pcm_runtime *rtd = pcm->private_data;
- struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_pcm_substream *substream;
int stream;
@@ -362,9 +356,14 @@
static const struct snd_soc_component_driver mpc5200_audio_dma_component = {
.name = DRV_NAME,
- .ops = &psc_dma_ops,
- .pcm_new = &psc_dma_new,
- .pcm_free = &psc_dma_free,
+ .open = psc_dma_open,
+ .close = psc_dma_close,
+ .hw_free = psc_dma_hw_free,
+ .pointer = psc_dma_pointer,
+ .trigger = psc_dma_trigger,
+ .hw_params = psc_dma_hw_params,
+ .pcm_construct = psc_dma_new,
+ .pcm_destruct = psc_dma_free,
};
int mpc5200_audio_dma_create(struct platform_device *op)
--
Gitblit v1.6.2