From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/include/sound/dmaengine_pcm.h | 25 +++++++++++++++++++++----
1 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/kernel/include/sound/dmaengine_pcm.h b/kernel/include/sound/dmaengine_pcm.h
index 2c4cfaa..96666ef 100644
--- a/kernel/include/sound/dmaengine_pcm.h
+++ b/kernel/include/sound/dmaengine_pcm.h
@@ -66,6 +66,9 @@
* @chan_name: Custom channel name to use when requesting DMA channel.
* @fifo_size: FIFO size of the DAI controller in bytes
* @flags: PCM_DAI flags, only SND_DMAENGINE_PCM_DAI_FLAG_PACK for now
+ * @peripheral_config: peripheral configuration for programming peripheral
+ * for dmaengine transfer
+ * @peripheral_size: peripheral configuration buffer size
*/
struct snd_dmaengine_dai_dma_data {
dma_addr_t addr;
@@ -76,6 +79,8 @@
const char *chan_name;
unsigned int fifo_size;
unsigned int flags;
+ void *peripheral_config;
+ size_t peripheral_size;
};
void snd_dmaengine_pcm_set_config_from_dai_data(
@@ -83,6 +88,11 @@
const struct snd_dmaengine_dai_dma_data *dma_data,
struct dma_slave_config *config);
+int snd_dmaengine_pcm_refine_runtime_hwparams(
+ struct snd_pcm_substream *substream,
+ struct snd_dmaengine_dai_dma_data *dma_data,
+ struct snd_pcm_hardware *hw,
+ struct dma_chan *chan);
/*
* Try to request the DMA channel using compat_request_channel or
@@ -99,10 +109,6 @@
* playback.
*/
#define SND_DMAENGINE_PCM_FLAG_HALF_DUPLEX BIT(3)
-/*
- * The PCM streams have custom channel names specified.
- */
-#define SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME BIT(4)
/**
* struct snd_dmaengine_pcm_config - Configuration data for dmaengine based PCM
@@ -160,4 +166,15 @@
#define SND_DMAENGINE_PCM_DRV_NAME "snd_dmaengine_pcm"
+struct dmaengine_pcm {
+ struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1];
+ const struct snd_dmaengine_pcm_config *config;
+ struct snd_soc_component component;
+ unsigned int flags;
+};
+
+static inline struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p)
+{
+ return container_of(p, struct dmaengine_pcm, component);
+}
#endif
--
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