summaryrefslogtreecommitdiffstats
path: root/sound/soc/fsl/imx-pcm.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/fsl/imx-pcm.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/fsl/imx-pcm.h')
-rw-r--r--sound/soc/fsl/imx-pcm.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h
new file mode 100644
index 0000000000..ac5f57c3cc
--- /dev/null
+++ b/sound/soc/fsl/imx-pcm.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This code is based on code copyrighted by Freescale,
+ * Liam Girdwood, Javier Martin and probably others.
+ */
+
+#ifndef _IMX_PCM_H
+#define _IMX_PCM_H
+
+#include <linux/dma/imx-dma.h>
+
+/*
+ * Do not change this as the FIQ handler depends on this size
+ */
+#define IMX_SSI_DMABUF_SIZE (64 * 1024)
+
+#define IMX_DEFAULT_DMABUF_SIZE (64 * 1024)
+
+struct imx_pcm_fiq_params {
+ int irq;
+ void __iomem *base;
+
+ /* Pointer to original ssi driver to setup tx rx sizes */
+ struct snd_dmaengine_dai_dma_data *dma_params_rx;
+ struct snd_dmaengine_dai_dma_data *dma_params_tx;
+};
+
+#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)
+int imx_pcm_dma_init(struct platform_device *pdev);
+#else
+static inline int imx_pcm_dma_init(struct platform_device *pdev)
+{
+ return -ENODEV;
+}
+#endif
+
+#if IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_FIQ)
+int imx_pcm_fiq_init(struct platform_device *pdev,
+ struct imx_pcm_fiq_params *params);
+void imx_pcm_fiq_exit(struct platform_device *pdev);
+#else
+static inline int imx_pcm_fiq_init(struct platform_device *pdev,
+ struct imx_pcm_fiq_params *params)
+{
+ return -ENODEV;
+}
+
+static inline void imx_pcm_fiq_exit(struct platform_device *pdev)
+{
+}
+#endif
+
+#endif /* _IMX_PCM_H */