driver/fsl-mc: Add support of MC Flibs

Freescale's Layerscape Management Complex (MC) provide support various
objects like DPRC, DPNI, DPBP and DPIO.
Where:
	DPRC: Place holdes for other MC objectes like DPNI, DPBP, DPIO
	DPBP: Management of buffer pool
	DPIO: Used for used to QBMan portal
	DPNI: Represents standard network interface

These objects are used for DPAA ethernet drivers.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Geoff Thorpe <Geoff.Thorpe@freescale.com>
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Cristian Sovaiala <cristian.sovaiala@freescale.com>
Signed-off-by: pankaj chauhan <pankaj.chauhan@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

1 files changed, 163 insertions, 0 deletions

diff --git a/include/fsl-mc/fsl_dpio.h b/include/fsl-mc/fsl_dpio.h
new file mode 100644
index 0000000000..e84b419afe
--- /dev/null
+++ b/include/fsl-mc/fsl_dpio.h
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2013-2015 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _FSL_DPIO_H
+#define _FSL_DPIO_H
+
+/* DPIO Version */
+#define DPIO_VER_MAJOR				2
+#define DPIO_VER_MINOR				1
+
+/* Command IDs */
+#define DPIO_CMDID_CLOSE					0x800
+#define DPIO_CMDID_OPEN						0x803
+
+#define DPIO_CMDID_ENABLE					0x002
+#define DPIO_CMDID_DISABLE					0x003
+#define DPIO_CMDID_GET_ATTR					0x004
+#define DPIO_CMDID_RESET					0x005
+
+/*                cmd, param, offset, width, type, arg_name */
+#define DPIO_CMD_OPEN(cmd, dpio_id) \
+	MC_CMD_OP(cmd, 0, 0,  32, int,     dpio_id)
+
+/*                cmd, param, offset, width, type, arg_name */
+#define DPIO_RSP_GET_ATTR(cmd, attr) \
+do { \
+	MC_RSP_OP(cmd, 0, 0,  32, int,	    attr->id);\
+	MC_RSP_OP(cmd, 0, 32, 16, uint16_t, attr->qbman_portal_id);\
+	MC_RSP_OP(cmd, 0, 48, 8,  uint8_t,  attr->num_priorities);\
+	MC_RSP_OP(cmd, 0, 56, 4,  enum dpio_channel_mode, attr->channel_mode);\
+	MC_RSP_OP(cmd, 1, 0,  64, uint64_t, attr->qbman_portal_ce_paddr);\
+	MC_RSP_OP(cmd, 2, 0,  64, uint64_t, attr->qbman_portal_ci_paddr);\
+	MC_RSP_OP(cmd, 3, 0,  16, uint16_t, attr->version.major);\
+	MC_RSP_OP(cmd, 3, 16, 16, uint16_t, attr->version.minor);\
+} while (0)
+
+/* Data Path I/O Portal API
+ * Contains initialization APIs and runtime control APIs for DPIO
+ */
+
+struct fsl_mc_io;
+/**
+ * dpio_open() - Open a control session for the specified object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dpio_id:	DPIO unique ID
+ * @token:	Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpio_create() function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpio_open(struct fsl_mc_io *mc_io, int dpio_id, uint16_t *token);
+
+/**
+ * dpio_open() - Open a control session for the specified object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dpio_id:	DPIO unique ID
+ * @token:	Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpio_create() function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpio_close(struct fsl_mc_io *mc_io, uint16_t token);
+
+/**
+ * enum dpio_channel_mode - DPIO notification channel mode
+ * @DPIO_NO_CHANNEL: No support for notification channel
+ * @DPIO_LOCAL_CHANNEL: Notifications on data availability can be received by a
+ *	dedicated channel in the DPIO; user should point the queue's
+ *	destination in the relevant interface to this DPIO
+ */
+enum dpio_channel_mode {
+	DPIO_NO_CHANNEL = 0,
+	DPIO_LOCAL_CHANNEL = 1,
+};
+
+/**
+ * dpio_enable() - Enable the DPIO, allow I/O portal operations.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @token:	Token of DPIO object
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
+int dpio_enable(struct fsl_mc_io *mc_io, uint16_t token);
+
+/**
+ * dpio_disable() - Disable the DPIO, stop any I/O portal operation.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @token:	Token of DPIO object
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
+int dpio_disable(struct fsl_mc_io *mc_io, uint16_t token);
+
+/**
+ * dpio_reset() - Reset the DPIO, returns the object to initial state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @token:	Token of DPIO object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpio_reset(struct fsl_mc_io *mc_io, uint16_t token);
+
+/**
+ * struct dpio_attr - Structure representing DPIO attributes
+ * @id: DPIO object ID
+ * @version: DPIO version
+ * @qbman_portal_ce_paddr: Physical address of the software portal
+ *				cache-enabled area
+ * @qbman_portal_ci_paddr: Physical address of the software portal
+ *				cache-inhibited area
+ * @qbman_portal_id: Software portal ID
+ * @channel_mode: Notification channel mode
+ * @num_priorities: Number of priorities for the notification channel (1-8);
+ *			relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL'
+ */
+struct dpio_attr {
+	int id;
+	/**
+	 * struct version - DPIO version
+	 * @major: DPIO major version
+	 * @minor: DPIO minor version
+	 */
+	struct {
+		uint16_t major;
+		uint16_t minor;
+	} version;
+	uint64_t qbman_portal_ce_paddr;
+	uint64_t qbman_portal_ci_paddr;
+	uint16_t qbman_portal_id;
+	enum dpio_channel_mode channel_mode;
+	uint8_t num_priorities;
+};
+
+/**
+ * dpio_get_attributes() - Retrieve DPIO attributes
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @token:	Token of DPIO object
+ * @attr:	Returned object's attributes
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
+int dpio_get_attributes(struct fsl_mc_io	*mc_io,
+			uint16_t		token,
+			struct dpio_attr	*attr);
+
+#endif /* _FSL_DPIO_H */