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authorJ. German Rivera2015-09-24 21:26:54 +0200
committerGreg Kroah-Hartman2015-09-29 04:24:20 +0200
commite9bf3f206bd5e61e7908a1e81f0c254bf6c99064 (patch)
tree0c7a0b0a69e9c9bb997280c84bcd252db11e8b3e /drivers/staging/fsl-mc/bus/dpbp.c
parentstaging: fsl-mc: up-rev dprc binary interface to v4.0 (diff)
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staging: fsl-mc: Moved kernel-doc comments to .c files
Moved kernel-doc comments for non-inline functions from header files to .c files. Signed-off-by: J. German Rivera <German.Rivera@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dpbp.c')
-rw-r--r--drivers/staging/fsl-mc/bus/dpbp.c202
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/staging/fsl-mc/bus/dpbp.c
index bdc1acae0b7b..f5a2028619e2 100644
--- a/drivers/staging/fsl-mc/bus/dpbp.c
+++ b/drivers/staging/fsl-mc/bus/dpbp.c
@@ -34,6 +34,23 @@
#include "../include/dpbp.h"
#include "../include/dpbp-cmd.h"
+/**
+ * dpbp_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_'
+ * @dpbp_id: DPBP 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 dpbp_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 dpbp_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpbp_id,
@@ -59,6 +76,17 @@ int dpbp_open(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dpbp_open);
+/**
+ * dpbp_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 DPBP 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 dpbp_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
@@ -74,6 +102,27 @@ int dpbp_close(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dpbp_close);
+/**
+ * dpbp_create() - Create the DPBP object.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @cfg: Configuration structure
+ * @token: Returned token; use in subsequent API calls
+ *
+ * Create the DPBP 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 returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent calls to
+ * this specific object. For objects that are created using the
+ * DPL file, call dpbp_open function to get an authentication
+ * token first.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_create(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
const struct dpbp_cfg *cfg,
@@ -99,6 +148,14 @@ int dpbp_create(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_destroy() - Destroy the DPBP object and release all its resources.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
int dpbp_destroy(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
@@ -113,6 +170,14 @@ int dpbp_destroy(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_enable() - Enable the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
@@ -128,6 +193,14 @@ int dpbp_enable(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dpbp_enable);
+/**
+ * dpbp_disable() - Disable the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
@@ -143,6 +216,15 @@ int dpbp_disable(struct fsl_mc_io *mc_io,
}
EXPORT_SYMBOL(dpbp_disable);
+/**
+ * dpbp_is_enabled() - Check if the DPBP 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 DPBP object
+ * @en: Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -165,6 +247,14 @@ int dpbp_is_enabled(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_reset() - Reset the DPBP, 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 DPBP object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token)
@@ -179,6 +269,16 @@ int dpbp_reset(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_set_irq() - Set IRQ information for the DPBP to trigger an interrupt.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: Identifies the interrupt index to configure
+ * @irq_cfg: IRQ configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_set_irq(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -199,6 +299,18 @@ int dpbp_set_irq(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_irq() - Get IRQ information from the DPBP.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPBP object
+ * @irq_index: The interrupt index to configure
+ * @type: Interrupt type: 0 represents message interrupt
+ * type (both irq_addr and irq_val are valid)
+ * @irq_cfg: IRQ attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -227,6 +339,21 @@ int dpbp_get_irq(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_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 DPBP 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 dpbp_set_irq_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -245,6 +372,16 @@ int dpbp_set_irq_enable(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_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 DPBP object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_irq_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -269,6 +406,22 @@ int dpbp_get_irq_enable(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_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 DPBP 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 dpbp_set_irq_mask(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -287,6 +440,19 @@ int dpbp_set_irq_mask(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_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 DPBP 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 dpbp_get_irq_mask(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -311,6 +477,19 @@ int dpbp_get_irq_mask(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_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 DPBP 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 dpbp_get_irq_status(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -335,6 +514,19 @@ int dpbp_get_irq_status(struct fsl_mc_io *mc_io,
return 0;
}
+/**
+ * dpbp_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 DPBP 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 dpbp_clear_irq_status(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
@@ -353,6 +545,16 @@ int dpbp_clear_irq_status(struct fsl_mc_io *mc_io,
return mc_send_command(mc_io, &cmd);
}
+/**
+ * dpbp_get_attributes - Retrieve DPBP 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 DPBP object
+ * @attr: Returned object's attributes
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,