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Commit 60cb1248 authored by Arun Kumar Khandavalli's avatar Arun Kumar Khandavalli
Browse files

qcacmn: add new api to get the bus reg dump 

Add new wrapper to get the bus specific register information via
the bus driver.

Change-Id: I544b23c8f6654e9215fb4f03203d6754c766dada
CRs-Fixed: 2833251
parent 19d1a362

qdf/inc/qdf_platform.h

+29 −0
Original line number Diff line number Diff line
@@ -303,4 +303,33 @@ void qdf_register_recovery_reason_update(qdf_recovery_reason_update_callback 
 */

void qdf_recovery_reason_update(enum qdf_hang_reason reason);



/**

 * qdf_bus_reg_dump() - callback for getting bus specific register dump

 * @dev: Bus specific device

 * @buf: Hang event buffer in which the data will be populated

 * @len: length of data to be populated in the hang event buffer

 *

 * Return: none

 */

typedef void (*qdf_bus_reg_dump)(struct device *dev, uint8_t *buf,

				 uint32_t len);



/**

 * qdf_register_get_bus_reg_dump() - Register callback to update bus register

 *                                   dump

 * @qdf_bus_reg_dump: callback to update bus register dump

 *

 * Return: none

 */

void qdf_register_get_bus_reg_dump(qdf_bus_reg_dump callback);



/**

 * qdf_get_bus_reg_dump() - Get the register dump for the bus

 * @dev: device

 * @buffer: buffer for hang data

 * @len: len of hang data

 *

 * Return: none

 */

void qdf_get_bus_reg_dump(struct device *dev, uint8_t *buf, uint32_t len);

#endif /*_QDF_PLATFORM_H*/

qdf/inc/qdf_types.h

+2 −0
Original line number Diff line number Diff line
@@ -1314,6 +1314,7 @@ enum qdf_suspend_type { 
 * @QDF_WMI_BUF_SEQUENCE_MISMATCH: WMI Tx completion buffer sequence mismatch

 * @QDF_HAL_REG_WRITE_FAILURE: HAL register writing failures

 * @QDF_SUSPEND_NO_CREDIT: host lack of credit after suspend

 * @QCA_HANG_BUS_FAILURE: Bus failure

 */

enum qdf_hang_reason {

	QDF_REASON_UNSPECIFIED,
@@ -1339,6 +1340,7 @@ enum qdf_hang_reason { 
	QDF_WMI_BUF_SEQUENCE_MISMATCH,

	QDF_HAL_REG_WRITE_FAILURE,

	QDF_SUSPEND_NO_CREDIT,

	QCA_HANG_BUS_FAILURE,

};



/**

qdf/src/qdf_platform.c

+19 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ static qdf_is_drv_connected_callback is_drv_connected_cb; 
static qdf_wmi_send_over_qmi_callback _wmi_send_recv_qmi_cb;

static qdf_is_drv_supported_callback    is_drv_supported_cb;

static qdf_recovery_reason_update_callback   update_recovery_reason_cb;

static qdf_bus_reg_dump   get_bus_reg_dump;







void qdf_register_fw_down_callback(qdf_is_fw_down_callback is_fw_down)
@@ -215,3 +217,20 @@ void qdf_recovery_reason_update(enum qdf_hang_reason reason) 
}



qdf_export_symbol(qdf_recovery_reason_update);



void qdf_register_get_bus_reg_dump(qdf_bus_reg_dump callback)

{

	get_bus_reg_dump = callback;

}



qdf_export_symbol(qdf_register_get_bus_reg_dump);



void qdf_get_bus_reg_dump(struct device *dev, uint8_t *buf, uint32_t len)

{

	if (!get_bus_reg_dump)

		return;



	get_bus_reg_dump(dev, buf, len);

}



qdf_export_symbol(qdf_get_bus_reg_dump);