summaryrefslogtreecommitdiffstats
path: root/drivers/bus/fslmc/mc/dpcon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bus/fslmc/mc/dpcon.c')
-rw-r--r--drivers/bus/fslmc/mc/dpcon.c163
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;
}