linux-kernel - Re: Re: [PATCH v4 1/3] bus: mhi: host: Add Foxconn SDX72 related support

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Message-ID: <20240703132819.GA4342@thinkpad>
Date: Wed, 3 Jul 2024 18:58:19 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Slark Xiao <slark_xiao@....com>
Cc: loic.poulain@...aro.org, ryazanov.s.a@...il.com,
	johannes@...solutions.net, quic_jhugo@...cinc.com,
	netdev@...r.kernel.org, mhi@...ts.linux.dev,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Re: [PATCH v4 1/3] bus: mhi: host: Add Foxconn SDX72 related
 support

On Tue, Jul 02, 2024 at 02:34:51PM +0800, Slark Xiao wrote:
> 
> At 2024-07-02 00:25:23, "Manivannan Sadhasivam" <manivannan.sadhasivam@...aro.org> wrote:
> >On Mon, Jul 01, 2024 at 10:12:14AM +0800, Slark Xiao wrote:
> >> Align with Qcom SDX72, add ready timeout item for Foxconn SDX72.
> >> And also, add firehose support since SDX72.
> >> 
> >> Signed-off-by: Slark Xiao <slark_xiao@....com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> >> ---
> >> v2: (1). Update the edl file path and name (2). Set SDX72 support
> >> trigger edl mode by default
> >> v3: Divide into 2 parts for Foxconn sdx72 platform
> >> ---
> >>  drivers/bus/mhi/host/pci_generic.c | 43 ++++++++++++++++++++++++++++++
> >>  1 file changed, 43 insertions(+)
> >> 
> >> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> >> index 35ae7cd0711f..1fb1c2f2fe12 100644
> >> --- a/drivers/bus/mhi/host/pci_generic.c
> >> +++ b/drivers/bus/mhi/host/pci_generic.c
> >> @@ -399,6 +399,8 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
> >>  	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> >>  	MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
> >>  	MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
> >> +	MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
> >> +	MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
> >>  	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> >>  	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> >>  };
> >> @@ -419,6 +421,16 @@ static const struct mhi_controller_config modem_foxconn_sdx55_config = {
> >>  	.event_cfg = mhi_foxconn_sdx55_events,
> >>  };
> >>  
> >> +static const struct mhi_controller_config modem_foxconn_sdx72_config = {
> >> +	.max_channels = 128,
> >> +	.timeout_ms = 20000,
> >> +	.ready_timeout_ms = 50000,
> >> +	.num_channels = ARRAY_SIZE(mhi_foxconn_sdx55_channels),
> >> +	.ch_cfg = mhi_foxconn_sdx55_channels,
> >> +	.num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
> >> +	.event_cfg = mhi_foxconn_sdx55_events,
> >
> >Weird. Why this modem is using all SDX55 configs? Reusing is fine, but it is
> >strange to see only this SDX72 modem using different config than the others
> >added below.
> >
> >- Mani
> >
> 
> There is a settings ".ready_timeout_ms = 50000," for SDX72/SDX75 only.
> It aligns with Qcom SDX72/SDX75 in case of timeout issue.
> 
> >> +};
> >> +
> >>  static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
> >>  	.name = "foxconn-sdx55",
> >>  	.fw = "qcom/sdx55m/sbl1.mbn",
> >> @@ -488,6 +500,28 @@ static const struct mhi_pci_dev_info mhi_foxconn_dw5932e_info = {
> >>  	.sideband_wake = false,
> >>  };
> >>  
> >> +static const struct mhi_pci_dev_info mhi_foxconn_t99w515_info = {
> >> +	.name = "foxconn-t99w515",
> >> +	.edl = "fox/sdx72m/edl.mbn",
> >> +	.edl_trigger = true,
> >> +	.config = &modem_foxconn_sdx72_config,
> >> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> >> +	.dma_data_width = 32,
> >> +	.mru_default = 32768,
> >> +	.sideband_wake = false,
> >> +};
> >> +
> >> +static const struct mhi_pci_dev_info mhi_foxconn_dw5934e_info = {
> >> +	.name = "foxconn-dw5934e",
> >> +	.edl = "fox/sdx72m/edl.mbn",
> >> +	.edl_trigger = true,
> >> +	.config = &modem_foxconn_sdx72_config,
> >> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> >> +	.dma_data_width = 32,
> >> +	.mru_default = 32768,
> >> +	.sideband_wake = false,
> >> +};
> >> +
> >>  static const struct mhi_channel_config mhi_mv3x_channels[] = {
> >>  	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 64, 0),
> >>  	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 64, 0),
> >> @@ -720,6 +754,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
> >>  	/* DW5932e (sdx62), Non-eSIM */
> >>  	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0f9),
> >>  		.driver_data = (kernel_ulong_t) &mhi_foxconn_dw5932e_info },
> >> +	/* T99W515 (sdx72) */
> >> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe118),
> >> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w515_info },
> >> +	/* DW5934e(sdx72), With eSIM */
> >> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe11d),
> >> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_dw5934e_info },
> >> +	/* DW5934e(sdx72), Non-eSIM */
> >> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe11e),
> >> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_dw5934e_info },
> >>  	/* MV31-W (Cinterion) */
> >>  	{ PCI_DEVICE(PCI_VENDOR_ID_THALES, 0x00b3),
> >>  		.driver_data = (kernel_ulong_t) &mhi_mv31_info },
> >> -- 
> >> 2.25.1
> >> 
> >
> >-- 
> >மணிவண்ணன் சதாசிவம்

-- 
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