New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 145 insertions, 18 deletions

diff --git a/drivers/bus/fslmc/mc/dpcon.c b/drivers/bus/fslmc/mc/dpcon.c
index b078dff8..477ee46e 100644
--- a/drivers/bus/fslmc/mc/dpcon.c
+++ b/drivers/bus/fslmc/mc/dpcon.c
@@ -34,19 +34,38 @@
 #include <fsl_dpcon.h>
 #include <fsl_dpcon_cmd.h>
 
+/**
+ * dpcon_open() - Open a control session for the specified object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpcon_id:	DPCON 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 dpcon_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 dpcon_open(struct fsl_mc_io *mc_io,
 	       uint32_t cmd_flags,
 	       int dpcon_id,
 	       uint16_t *token)
 {
 	struct mc_command cmd = { 0 };
+	struct dpcon_cmd_open *dpcon_cmd;
 	int err;
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPCON_CMDID_OPEN,
 					  cmd_flags,
 					  0);
-	DPCON_CMD_OPEN(cmd, dpcon_id);
+	dpcon_cmd = (struct dpcon_cmd_open *)cmd.params;
+	dpcon_cmd->dpcon_id = cpu_to_le32(dpcon_id);
 
 	/* send command to mc*/
 	err = mc_send_command(mc_io, &cmd);
@@ -54,11 +73,22 @@ int dpcon_open(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
+	*token = mc_cmd_hdr_read_token(&cmd);
 
 	return 0;
 }
 
+/**
+ * dpcon_close() - Close the control session of the object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
 int dpcon_close(struct fsl_mc_io *mc_io,
 		uint32_t cmd_flags,
 		uint16_t token)
@@ -74,12 +104,34 @@ int dpcon_close(struct fsl_mc_io *mc_io,
 	return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpcon_create() - Create the DPCON object.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dprc_token:	Parent container token; '0' for default container
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg:	Configuration structure
+ * @obj_id:	Returned object id; use in subsequent API calls
+ *
+ * Create the DPCON object, allocate required resources and
+ * perform required initialization.
+ *
+ * The object can be created either by declaring it in the
+ * DPL file, or by calling this function.
+ *
+ * This function accepts an authentication token of a parent
+ * container that this object should be assigned to and returns
+ * an object id. This object_id will be used in all subsequent calls to
+ * this specific object.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
 int dpcon_create(struct fsl_mc_io *mc_io,
 		 uint16_t dprc_token,
-		uint32_t cmd_flags,
-		const struct dpcon_cfg *cfg,
-		uint32_t *obj_id)
+		 uint32_t cmd_flags,
+		 const struct dpcon_cfg *cfg,
+		 uint32_t *obj_id)
 {
+	struct dpcon_cmd_create *dpcon_cmd;
 	struct mc_command cmd = { 0 };
 	int err;
 
@@ -87,7 +139,8 @@ int dpcon_create(struct fsl_mc_io *mc_io,
 	cmd.header = mc_encode_cmd_header(DPCON_CMDID_CREATE,
 					  cmd_flags,
 					  dprc_token);
-	DPCON_CMD_CREATE(cmd, cfg);
+	dpcon_cmd = (struct dpcon_cmd_create *)cmd.params;
+	dpcon_cmd->num_priorities = cfg->num_priorities;
 
 	/* send command to mc*/
 	err = mc_send_command(mc_io, &cmd);
@@ -95,28 +148,47 @@ int dpcon_create(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id);
+	*obj_id = mc_cmd_read_object_id(&cmd);
 
 	return 0;
 }
 
+/**
+ * dpcon_destroy() - Destroy the DPCON object and release all its resources.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @dprc_token:	Parent container token; '0' for default container
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @obj_id:	ID of DPCON object
+ *
+ * Return:	'0' on Success; error code otherwise.
+ */
 int dpcon_destroy(struct fsl_mc_io *mc_io,
 		  uint16_t dprc_token,
-		uint32_t cmd_flags,
-		uint32_t object_id)
+		  uint32_t cmd_flags,
+		  uint32_t obj_id)
 {
+	struct dpcon_cmd_destroy *cmd_params;
 	struct mc_command cmd = { 0 };
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPCON_CMDID_DESTROY,
 					  cmd_flags,
 					  dprc_token);
-	/* set object id to destroy */
-	CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id);
+	cmd_params = (struct dpcon_cmd_destroy *)cmd.params;
+	cmd_params->object_id = cpu_to_le32(obj_id);
+
 	/* send command to mc*/
 	return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpcon_enable() - Enable the DPCON
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
 int dpcon_enable(struct fsl_mc_io *mc_io,
 		 uint32_t cmd_flags,
 		 uint16_t token)
@@ -132,6 +204,14 @@ int dpcon_enable(struct fsl_mc_io *mc_io,
 	return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpcon_disable() - Disable the DPCON
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
 int dpcon_disable(struct fsl_mc_io *mc_io,
 		  uint32_t cmd_flags,
 		  uint16_t token)
@@ -147,13 +227,24 @@ int dpcon_disable(struct fsl_mc_io *mc_io,
 	return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpcon_is_enabled() -	Check if the DPCON is enabled.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ * @en:		Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
 int dpcon_is_enabled(struct fsl_mc_io *mc_io,
 		     uint32_t cmd_flags,
 		     uint16_t token,
 		     int *en)
 {
+	struct dpcon_rsp_is_enabled *dpcon_rsp;
 	struct mc_command cmd = { 0 };
 	int err;
+
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPCON_CMDID_IS_ENABLED,
 					  cmd_flags,
@@ -165,11 +256,20 @@ int dpcon_is_enabled(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	DPCON_RSP_IS_ENABLED(cmd, *en);
+	dpcon_rsp = (struct dpcon_rsp_is_enabled *)cmd.params;
+	*en = dpcon_rsp->enabled & DPCON_ENABLE;
 
 	return 0;
 }
 
+/**
+ * dpcon_reset() - Reset the DPCON, returns the object to initial state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
 int dpcon_reset(struct fsl_mc_io *mc_io,
 		uint32_t cmd_flags,
 		uint16_t token)
@@ -184,11 +284,21 @@ int dpcon_reset(struct fsl_mc_io *mc_io,
 	return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpcon_get_attributes() - Retrieve DPCON attributes.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPCON object
+ * @attr:	Object's attributes
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
 int dpcon_get_attributes(struct fsl_mc_io *mc_io,
 			 uint32_t cmd_flags,
 			 uint16_t token,
 			 struct dpcon_attr *attr)
 {
+	struct dpcon_rsp_get_attr *dpcon_rsp;
 	struct mc_command cmd = { 0 };
 	int err;
 
@@ -203,28 +313,45 @@ int dpcon_get_attributes(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	DPCON_RSP_GET_ATTR(cmd, attr);
+	dpcon_rsp = (struct dpcon_rsp_get_attr *)cmd.params;
+	attr->id = le32_to_cpu(dpcon_rsp->id);
+	attr->qbman_ch_id = le16_to_cpu(dpcon_rsp->qbman_ch_id);
+	attr->num_priorities = dpcon_rsp->num_priorities;
 
 	return 0;
 }
 
+/**
+ * dpcon_get_api_version - Get Data Path Concentrator API version
+ * @mc_io:	Pointer to MC portal's DPCON object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver:	Major version of DPCON API
+ * @minor_ver:	Minor version of DPCON API
+ *
+ * Return:	'0' on Success; Error code otherwise
+ */
 int dpcon_get_api_version(struct fsl_mc_io *mc_io,
 			  uint32_t cmd_flags,
-			   uint16_t *major_ver,
-			   uint16_t *minor_ver)
+			  uint16_t *major_ver,
+			  uint16_t *minor_ver)
 {
+	struct dpcon_rsp_get_api_version *rsp_params;
 	struct mc_command cmd = { 0 };
 	int err;
 
+	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_API_VERSION,
-					cmd_flags,
-					0);
+					  cmd_flags, 0);
 
+	/* send command to mc */
 	err = mc_send_command(mc_io, &cmd);
 	if (err)
 		return err;
 
-	DPCON_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver);
+	/* retrieve response parameters */
+	rsp_params = (struct dpcon_rsp_get_api_version *)cmd.params;
+	*major_ver = le16_to_cpu(rsp_params->major);
+	*minor_ver = le16_to_cpu(rsp_params->minor);
 
 	return 0;
 }