GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2008,2010 Freescale Semiconductor, Inc
+ * Andy Fleming
+ *
+ * Based (loosely) on the Linux code
+ */
+
+#ifndef _MMC_PRIVATE_H_
+#define _MMC_PRIVATE_H_
+
+#include <mmc.h>
+
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data);
+int mmc_send_status(struct mmc *mmc, unsigned int *status);
+int mmc_poll_for_busy(struct mmc *mmc, int timeout);
+
+int mmc_set_blocklen(struct mmc *mmc, int len);
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+void mmc_adapter_card_type_ident(void);
+#endif
+
+#if CONFIG_IS_ENABLED(BLK)
+ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
+		void *dst);
+#else
+ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
+		void *dst);
+#endif
+
+#if CONFIG_IS_ENABLED(MMC_WRITE)
+
+#if CONFIG_IS_ENABLED(BLK)
+ulong mmc_bwrite(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
+		 const void *src);
+ulong mmc_berase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt);
+#else
+ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
+		 const void *src);
+ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt);
+#endif
+
+#else /* CONFIG_SPL_MMC_WRITE is not defined */
+
+/* declare dummies to reduce code size. */
+
+#if CONFIG_IS_ENABLED(BLK)
+static inline unsigned long mmc_berase(struct udevice *dev,
+				       lbaint_t start, lbaint_t blkcnt)
+{
+	return 0;
+}
+
+static inline ulong mmc_bwrite(struct udevice *dev, lbaint_t start,
+			       lbaint_t blkcnt, const void *src)
+{
+	return 0;
+}
+#else
+static inline unsigned long mmc_berase(struct blk_desc *block_dev,
+				       lbaint_t start, lbaint_t blkcnt)
+{
+	return 0;
+}
+
+static inline ulong mmc_bwrite(struct blk_desc *block_dev, lbaint_t start,
+			       lbaint_t blkcnt, const void *src)
+{
+	return 0;
+}
+#endif
+
+#endif /* CONFIG_SPL_BUILD */
+
+#ifdef CONFIG_MMC_TRACE
+void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd);
+void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret);
+void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd);
+#else
+static inline void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
+{
+}
+
+static inline void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd,
+					 int ret)
+{
+}
+
+static inline void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
+{
+}
+#endif
+
+/**
+ * mmc_get_next_devnum() - Get the next available MMC device number
+ *
+ * @return next available device number (0 = first), or -ve on error
+ */
+int mmc_get_next_devnum(void);
+
+/**
+ * mmc_do_preinit() - Get an MMC device ready for use
+ */
+void mmc_do_preinit(void);
+
+/**
+ * mmc_list_init() - Set up the list of MMC devices
+ */
+void mmc_list_init(void);
+
+/**
+ * mmc_list_add() - Add a new MMC device to the list of devices
+ *
+ * @mmc:	Device to add
+ */
+void mmc_list_add(struct mmc *mmc);
+
+/**
+ * mmc_switch_part() - Switch to a new MMC hardware partition
+ *
+ * @mmc:	MMC device
+ * @part_num:	Hardware partition number
+ * @return 0 if OK, -ve on error
+ */
+int mmc_switch_part(struct mmc *mmc, unsigned int part_num);
+
+/**
+ * mmc_switch() - Issue and MMC switch mode command
+ *
+ * @mmc:	MMC device
+ * @set:	Unused
+ * @index:	Cmdarg index
+ * @value:	Cmdarg value
+ * @return 0 if OK, -ve on error
+ */
+int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value);
+
+#endif /* _MMC_PRIVATE_H_ */