ath10k: add board data download from target

The QCA9887 stores its calibration data (board.bin) inside the EEPROM of
the target. This has to be downloaded manually to allow the device to
initialize correctly.

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
[kvalo@qca.qualcomm.com: handle -EOPNOTSUPP and s/fetch_board_data/fetch_cal_eeprom]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath10k/hif.h b/drivers/net/wireless/ath/ath10k/hif.h
index 89e7076c919f..b2566b06e1e1 100644
--- a/drivers/net/wireless/ath/ath10k/hif.h
+++ b/drivers/net/wireless/ath/ath10k/hif.h
@@ -87,6 +87,10 @@ struct ath10k_hif_ops {
 
         int (*suspend)(struct ath10k *ar);
         int (*resume)(struct ath10k *ar);
+
+        /* fetch calibration data from target eeprom */
+        int (*fetch_cal_eeprom)(struct ath10k *ar, void **data,
+                                size_t *data_len);
 };
 
 static inline int ath10k_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
@@ -202,4 +206,14 @@ static inline void ath10k_hif_write32(struct ath10k *ar,
         ar->hif.ops->write32(ar, address, data);
 }
 
+static inline int ath10k_hif_fetch_cal_eeprom(struct ath10k *ar,
+                                              void **data,
+                                              size_t *data_len)
+{
+        if (!ar->hif.ops->fetch_cal_eeprom)
+                return -EOPNOTSUPP;
+
+        return ar->hif.ops->fetch_cal_eeprom(ar, data, data_len);
+}
+
 #endif /* _HIF_H_ */