Re: [PATCH v3 00/12] add support for WCN6750

[Manikanta Pubbisetty <quic_mpubbise@quicinc.com>]

On 3/28/2022 11:39 AM, Manikanta Pubbisetty wrote:
> WCN6750 is non-DBS 2x2 11AX chipset. Unlike QCA6390/WCN6855 which
> are DBS (dual band simultaneous) solutions (2 LMACs), WCN6750 has a
> single LMAC supporting 2G, 5G and 6G bands. It can be operated only
> on one band at any given point.
> 
> WCN6750 is a PCIe device. Unlike other supported ATH11K PCIe devices
> which are directly attached to APSS (Application Processor SubSystem),
> WCN6750 is not attached to APSS, it is attached to the WPSS
> (Wireless Processor SubSystem) Q6 processor, the FW which runs on the
> Q6 processor will enumerate the PCIe device. Since APSS is unaware of
> such a device, it has to be registered as a platform device(AHB) to the
> kernel for device probing. Like other AHB devices, remoteproc APIs are
> used to boot up or shutdown of WCN6750.
> 
> WCN6750 uses both AHB and PCIe ATH11K APIs for it's operation.
> It uses AHB APIs for device probe and booting of the remote processor.
> Once device is booted up, it uses ATH11K PCIe APIs for initialization
> and register access. Hence, it is referred as hybrid bus device in
> the rest of this series.
> 
> Since the chip is enumerated by WPSS Q6, device information like
> BAR and BAR size is not known to the APSS processor. A new QMI message
> called device info QMI request will be sent to the target for fetching
> these details.
> 
> STA and AP modes are supported; Basic connectivity and ping are
> verified in both the modes.
> 
> An important point to note is that though WCN6750 is a PCIe device,
> it cannot be attached to any other platform except on Qualcomm
> Snapdragon SoCs due to the aforementioned reasons.
> 
> 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
> 
> Manikanta Pubbisetty (12):
>    dt: bindings: net: add bindings of WCN6750 for ath11k
>    ath11k: Add HW params for WCN6750
>    ath11k: Add bus params for WCN6750
>    ath11k: Add register access logic for WCN6750
>    ath11k: Fetch device information via QMI for WCN6750
>    ath11k: Add QMI changes for WCN6750
>    ath11k: HAL changes to support WCN6750
>    ath11k: Datapath changes to support WCN6750
>    ath11k: Do not put HW in DBS mode for WCN6750
>    ath11k: WMI changes to support WCN6750
>    ath11k: Update WBM idle ring HP after FW mode on
>    ath11k: Add support for WCN6750 device
> ---
> Note:
> *	Remoteproc driver changes for WCN6750 which takes care of
> 	downloading the FW and booting of Q6 processor are under
> 	upstream review.
> 	Link: https://patchwork.kernel.org/project/linux-remoteproc/cover/1643712724-12436-1-git-send-email-quic_mpubbise@quicinc.com/

Hi Kalle,

It looks like the remoteproc changes have landed in linux-next tree. 
Shall I remove this dependency and resend the series?

Thanks,
Manikanta