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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/spi/spi-fsl-cpm.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/spi/spi-fsl-cpm.h')
-rw-r--r--drivers/spi/spi-fsl-cpm.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/spi/spi-fsl-cpm.h b/drivers/spi/spi-fsl-cpm.h
new file mode 100644
index 000000000..160f99970
--- /dev/null
+++ b/drivers/spi/spi-fsl-cpm.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Freescale SPI controller driver cpm functions.
+ *
+ * Maintainer: Kumar Gala
+ *
+ * Copyright (C) 2006 Polycom, Inc.
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * CPM SPI and QE buffer descriptors mode support:
+ * Copyright (c) 2009 MontaVista Software, Inc.
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ */
+
+#ifndef __SPI_FSL_CPM_H__
+#define __SPI_FSL_CPM_H__
+
+#include "spi-fsl-lib.h"
+
+#ifdef CONFIG_FSL_SOC
+extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
+extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
+ struct spi_transfer *t, bool is_dma_mapped);
+extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
+extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
+extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
+extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
+#else
+static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
+static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
+ struct spi_transfer *t,
+ bool is_dma_mapped) { return 0; }
+static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
+static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
+static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
+static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
+#endif
+
+#endif /* __SPI_FSL_CPM_H__ */