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dp: rx: mst: Added downstream topology for responding to sideband messages.

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Topology contains information for responding to LINK_ADDRESS sideband messages
and I2C maps for each port for responding to REMOTE_I2C_READ.

Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2015-04-01 17:18:44 -07:00 • committed by Nava kishore Manne
parent 201d9e148a
commit 23dad61218
1 changed files with 55 additions and 0 deletions
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55
XilinxProcessorIPLib/drivers/dp/src/xdp.h
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@ -570,6 +570,59 @@ typedef struct {
link. */
} XDp_RxLinkConfig;
/**
* This typedef represents one I2C map entry for a device. This is used to allow
* the user to define an I2C map for any port.
*/
typedef struct {
u8 IicAddress; /**< The I2C address for the which to
link the data to. */
u8 WriteVal; /**< The last value written to this I2C
address. This may be used when
the TX writes to this I2C
address in order to set a read
offset or set the segment
pointer. */
u8 ReadNumBytes; /**< The total number of available data
bytes at this I2C address. */
u8 *ReadData; /**< The data available at the specified
I2C address. User-defined by
setting the pointer to a
structure residing in the
application. */
} XDp_RxIicMapEntry;
/**
* This typedef contains information on the directly connected ports to the RX
* branch. Information contained in XDp_SbMsgLinkAddressReplyDeviceInfo is not
* duplicated here.
*/
typedef struct {
XDp_RxIicMapEntry IicMap[3]; /**< The I2C map of the internal sinks.
When the RX replies to a
REMOTE_I2C_READ sideband
message, it responds with the
associated I2C map for the
requested port. The driver
allows up to 3 I2C addresses per
port to be user-defined. */
u8 Exposed; /**< When set to 1, the RX branch device
will expose the port in the
LINK_ADDRESS reply. */
} XDp_RxPorts;
/**
* This typedef contains topology information on directly connected sinks and of
* the RX branch itself.
*/
typedef struct {
XDp_SbMsgLinkAddressReplyDeviceInfo LinkAddressInfo; /**< Topology
information used by the RX to
form the LINK_ADDRESS reply. */
XDp_RxPorts Ports[16]; /**< Port information additional to that
contained in LinkAddressInfo. */
} XDp_RxTopology;
/******************************************************************************/
/**
* Callback type which represents a custom timer wait handler. This is only
@ -661,6 +714,8 @@ typedef struct {
* The XDp driver instance data representing the TX mode of operation.
*/
typedef struct {
XDp_RxTopology Topology; /**< Topology of connected sinks
to the RX. */
XDp_RxLinkConfig LinkConfig; /**< Configuration structure for
the main link. */
XDp_IntrHandler IntrVmChangeHandler; /**< Callback function for video