samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacmn: add new api to get the bus reg dump

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

Change-Id: I544b23c8f6654e9215fb4f03203d6754c766dada
CRs-Fixed: 2833251
This commit is contained in:
Arun Kumar Khandavalli
2020-12-01 19:30:19 +05:30
committed by snandini
parent 0cb4658b79
commit 69c17ec173
3 changed files with 50 additions and 0 deletions
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29
qdf/inc/qdf_platform.h
View File

@@ -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*/

2
qdf/inc/qdf_types.h
View File

@@ -1346,6 +1346,7 @@ 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,
@@ -1371,6 +1372,7 @@ enum qdf_hang_reason {
QDF_WMI_BUF_SEQUENCE_MISMATCH,
QDF_HAL_REG_WRITE_FAILURE,
QDF_SUSPEND_NO_CREDIT,
QCA_HANG_BUS_FAILURE,
};
/**

19
qdf/src/qdf_platform.c
View File

@@ -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);