netdev - Re: [PATCH net-next v5 07/13] net: wwan: t7xx: Data path HW layer

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Date:   Fri, 25 Feb 2022 18:18:32 +0200 (EET)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Ricardo Martinez <ricardo.martinez@...ux.intel.com>
cc:     Netdev <netdev@...r.kernel.org>, linux-wireless@...r.kernel.org,
        kuba@...nel.org, davem@...emloft.net, johannes@...solutions.net,
        ryazanov.s.a@...il.com, loic.poulain@...aro.org,
        m.chetan.kumar@...el.com, chandrashekar.devegowda@...el.com,
        linuxwwan@...el.com, chiranjeevi.rapolu@...ux.intel.com,
        haijun.liu@...iatek.com, amir.hanania@...el.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        dinesh.sharma@...el.com, eliot.lee@...el.com,
        Ilpo Järvinen 
        <ilpo.johannes.jarvinen@...el.com>, moises.veleta@...el.com,
        pierre-louis.bossart@...el.com, muralidharan.sethuraman@...el.com,
        Soumya.Prakash.Mishra@...el.com, sreehari.kancharla@...el.com,
        madhusmita.sahu@...el.com
Subject: Re: [PATCH net-next v5 07/13] net: wwan: t7xx: Data path HW layer

On Wed, 23 Feb 2022, Ricardo Martinez wrote:

> From: Haijun Liu <haijun.liu@...iatek.com>
> 
> Data Path Modem AP Interface (DPMAIF) HW layer provides HW abstraction
> for the upper layer (DPMAIF HIF). It implements functions to do the HW
> configuration, TX/RX control and interrupt handling.
> 
> Signed-off-by: Haijun Liu <haijun.liu@...iatek.com>
> Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@...el.com>
> Co-developed-by: Ricardo Martinez <ricardo.martinez@...ux.intel.com>
> Signed-off-by: Ricardo Martinez <ricardo.martinez@...ux.intel.com>
> 
> >From a WWAN framework perspective:
> Reviewed-by: Loic Poulain <loic.poulain@...aro.org>
> ---


> +static void t7xx_dpmaif_dl_set_ao_bat_rsv_length(struct dpmaif_hw_info *hw_info)
> +{
> +	unsigned int value;
> +
> +	value = ioread32(hw_info->pcie_base + DPMAIF_AO_DL_PKTINFO_CON2);
> +	value &= ~DPMAIF_BAT_RSV_LEN_MSK;
> +	value |= DPMAIF_HW_BAT_RSVLEN & DPMAIF_BAT_RSV_LEN_MSK;

Drop & DPMAIF_BAT_RSV_LEN_MSK

> +static void t7xx_dpmaif_dl_set_ao_frg_check_thres(struct dpmaif_hw_info *hw_info)
> +{
> +	unsigned int value;
> +
> +	value = ioread32(hw_info->pcie_base + DPMAIF_AO_DL_RDY_CHK_FRG_THRES);
> +	value &= ~DPMAIF_FRG_CHECK_THRES_MSK;
> +	value |= (DPMAIF_HW_CHK_FRG_NUM & DPMAIF_FRG_CHECK_THRES_MSK);

Ditto.

> +	value |= DPMAIF_DL_PIT_SEQ_VALUE & DPMAIF_DL_PIT_SEQ_MSK;

Ditto.


-- 
 i.