Re: [PATCH v4 04/12] ath11k: Add register access logic for WCN6750

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On 4/27/2022 11:15 AM, Kalle Valo wrote:
Manikanta Pubbisetty <quic_mpubbise@xxxxxxxxxxx> writes:

WCN6750 uses static window mapping to access the HW registers.
Unlike QCN9074 which uses 2nd window for CE and 3rd window
for UMAC register accesses, WCN6750 uses 1st window for UMAC
and 2nd window for CE registers.

Code is refactored so that WCN6750 can use the existing
ath11k_pci_read/write() APIs for accessing the registers.

Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00573-QCAMSLSWPLZ-1
Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00192-QCAHKSWPL_SILICONZ-1

Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@xxxxxxxxxxx>
---
  drivers/net/wireless/ath/ath11k/ahb.c  |  3 ++
  drivers/net/wireless/ath/ath11k/core.h |  2 +
  drivers/net/wireless/ath/ath11k/pci.c  |  4 ++
  drivers/net/wireless/ath/ath11k/pcic.c | 53 +++++++++-----------------
  4 files changed, 28 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index d73643e3e8dd..d27fc7276977 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -42,6 +42,9 @@ const struct ath11k_bus_params ath11k_ahb_hybrid_bus_params = {
  	.fixed_bdf_addr = false,
  	.fixed_mem_region = false,
  	.hybrid_bus_type = true,
+	.static_window_map = true,
+	.dp_window_idx = 1,
+	.ce_window_idx = 2,
  };

Even if the values are zero, please initialise the new fields in every
bus_params structure:

ahb.c:31:static const struct ath11k_bus_params ath11k_ahb_bus_params = {
pci.c:118:static const struct ath11k_bus_params ath11k_pci_bus_params = {


Makes sense, should I send another series addressing these?



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