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authorYangbo Lu <yangbo.lu@nxp.com>2018-10-08 15:44:25 +0800
committerDavid S. Miller <davem@davemloft.net>2018-10-08 10:23:22 -0700
commit0a006a2f894018c9042772833a0ca077c31d4f78 (patch)
tree11ac8c4e84442dfce6b59d55b03138b77e9c1499 /drivers/net/ethernet/freescale/dpaa2/dprtc.c
parentabf1a08ff3237a27188ff8cc2904f2cea893af55 (diff)
net: dpaa2: move DPAA2 PTP driver out of staging/
This patch is to move DPAA2 PTP driver out of staging/ since the dpaa2-eth had been moved out. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dprtc.c')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc.c701
1 files changed, 701 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc.c b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
new file mode 100644
index 000000000000..68ae6ffefbf5
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
@@ -0,0 +1,701 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2016-2018 NXP
+ */
+
+#include <linux/fsl/mc.h>
+
+#include "dprtc.h"
+#include "dprtc-cmd.h"
+
+/**
+ * dprtc_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_'
+ * @dprtc_id: DPRTC 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 dprtc_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 dprtc_open(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ int dprtc_id,
+ u16 *token)
+{
+ struct dprtc_cmd_open *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_OPEN,
+ cmd_flags,
+ 0);
+ cmd_params = (struct dprtc_cmd_open *)cmd.params;
+ cmd_params->dprtc_id = cpu_to_le32(dprtc_id);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ *token = mc_cmd_hdr_read_token(&cmd);
+
+ return 0;
+}
+
+/**
+ * dprtc_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 DPRTC 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 dprtc_close(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLOSE, cmd_flags,
+ token);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_create() - Create the DPRTC 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
+ *
+ * Create the DPRTC object, allocate required resources and
+ * perform required initialization.
+ *
+ * The function accepts an authentication token of a parent
+ * container that this object should be assigned to. The token
+ * can be '0' so the object will be assigned to the default container.
+ * The newly created object can be opened with the returned
+ * object id and using the container's associated tokens and MC portals.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_create(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ const struct dprtc_cfg *cfg,
+ u32 *obj_id)
+{
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CREATE,
+ cmd_flags,
+ dprc_token);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ *obj_id = mc_cmd_read_object_id(&cmd);
+
+ return 0;
+}
+
+/**
+ * dprtc_destroy() - Destroy the DPRTC 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_'
+ * @object_id: The object id; it must be a valid id within the container that
+ * created this object;
+ *
+ * The function accepts the authentication token of the parent container that
+ * created the object (not the one that currently owns the object). The object
+ * is searched within parent using the provided 'object_id'.
+ * All tokens to the object must be closed before calling destroy.
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dprtc_destroy(struct fsl_mc_io *mc_io,
+ u16 dprc_token,
+ u32 cmd_flags,
+ u32 object_id)
+{
+ struct dprtc_cmd_destroy *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_DESTROY,
+ cmd_flags,
+ dprc_token);
+ cmd_params = (struct dprtc_cmd_destroy *)cmd.params;
+ cmd_params->object_id = cpu_to_le32(object_id);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_enable() - Enable the DPRTC.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_ENABLE, cmd_flags,
+ token);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_disable() - Disable the DPRTC.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_disable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_DISABLE,
+ cmd_flags,
+ token);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_is_enabled() - Check if the DPRTC 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 DPRTC object
+ * @en: Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_is_enabled(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int *en)
+{
+ struct dprtc_rsp_is_enabled *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_IS_ENABLED, cmd_flags,
+ token);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_is_enabled *)cmd.params;
+ *en = dprtc_get_field(rsp_params->en, ENABLE);
+
+ return 0;
+}
+
+/**
+ * dprtc_reset() - Reset the DPRTC, 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 DPRTC object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_reset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_RESET,
+ cmd_flags,
+ token);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_set_irq_enable() - Set overall interrupt 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 DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
+{
+ struct dprtc_cmd_set_irq_enable *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_set_irq_enable *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->en = en;
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_irq_enable() - Get overall interrupt 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 DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
+{
+ struct dprtc_rsp_get_irq_enable *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_irq_enable *)cmd.params;
+ *en = rsp_params->en;
+
+ return 0;
+}
+
+/**
+ * dprtc_set_irq_mask() - Set interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
+{
+ struct dprtc_cmd_set_irq_mask *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_set_irq_mask *)cmd.params;
+ cmd_params->mask = cpu_to_le32(mask);
+ cmd_params->irq_index = irq_index;
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_irq_mask() - Get interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
+{
+ struct dprtc_rsp_get_irq_mask *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_irq_mask *)cmd.params;
+ *mask = le32_to_cpu(rsp_params->mask);
+
+ return 0;
+}
+
+/**
+ * dprtc_get_irq_status() - Get the current status of any pending interrupts.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
+{
+ struct dprtc_cmd_get_irq_status *cmd_params;
+ struct dprtc_rsp_get_irq_status *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_get_irq_status *)cmd.params;
+ cmd_params->status = cpu_to_le32(*status);
+ cmd_params->irq_index = irq_index;
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_irq_status *)cmd.params;
+ *status = le32_to_cpu(rsp_params->status);
+
+ return 0;
+}
+
+/**
+ * dprtc_clear_irq_status() - Clear a pending interrupt's status
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @status: Bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_clear_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
+{
+ struct dprtc_cmd_clear_irq_status *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLEAR_IRQ_STATUS,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_clear_irq_status *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->status = cpu_to_le32(status);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_attributes - Retrieve DPRTC 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 DPRTC object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_attributes(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dprtc_attr *attr)
+{
+ struct dprtc_rsp_get_attributes *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_ATTR,
+ cmd_flags,
+ token);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_attributes *)cmd.params;
+ attr->id = le32_to_cpu(rsp_params->id);
+
+ return 0;
+}
+
+/**
+ * dprtc_set_clock_offset() - Sets the clock's offset
+ * (usually relative to another clock).
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @offset: New clock offset (in nanoseconds).
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_clock_offset(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ int64_t offset)
+{
+ struct dprtc_cmd_set_clock_offset *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_CLOCK_OFFSET,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_set_clock_offset *)cmd.params;
+ cmd_params->offset = cpu_to_le64(offset);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_set_freq_compensation() - Sets a new frequency compensation value.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @freq_compensation: The new frequency compensation value to set.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_freq_compensation(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u32 freq_compensation)
+{
+ struct dprtc_get_freq_compensation *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_FREQ_COMPENSATION,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_get_freq_compensation *)cmd.params;
+ cmd_params->freq_compensation = cpu_to_le32(freq_compensation);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_freq_compensation() - Retrieves the frequency compensation value
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @freq_compensation: Frequency compensation value
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_freq_compensation(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u32 *freq_compensation)
+{
+ struct dprtc_get_freq_compensation *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_FREQ_COMPENSATION,
+ cmd_flags,
+ token);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_get_freq_compensation *)cmd.params;
+ *freq_compensation = le32_to_cpu(rsp_params->freq_compensation);
+
+ return 0;
+}
+
+/**
+ * dprtc_get_time() - Returns the current RTC time.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @time: Current RTC time.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_time(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ uint64_t *time)
+{
+ struct dprtc_time *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_TIME,
+ cmd_flags,
+ token);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_time *)cmd.params;
+ *time = le64_to_cpu(rsp_params->time);
+
+ return 0;
+}
+
+/**
+ * dprtc_set_time() - Updates current RTC time.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @time: New RTC time.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_time(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ uint64_t time)
+{
+ struct dprtc_time *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_TIME,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_time *)cmd.params;
+ cmd_params->time = cpu_to_le64(time);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_set_alarm() - Defines and sets alarm.
+ *
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @time: In nanoseconds, the time when the alarm
+ * should go off - must be a multiple of
+ * 1 microsecond
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_alarm(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token, uint64_t time)
+{
+ struct dprtc_time *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_ALARM,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_time *)cmd.params;
+ cmd_params->time = cpu_to_le64(time);
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_api_version() - Get Data Path Real Time Counter API version
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver: Major version of data path real time counter API
+ * @minor_ver: Minor version of data path real time counter API
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_api_version(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 *major_ver,
+ u16 *minor_ver)
+{
+ struct dprtc_rsp_get_api_version *rsp_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_API_VERSION,
+ cmd_flags,
+ 0);
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_api_version *)cmd.params;
+ *major_ver = le16_to_cpu(rsp_params->major);
+ *minor_ver = le16_to_cpu(rsp_params->minor);
+
+ return 0;
+}