linux-kernel - Re: [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support

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Date:   Thu, 8 Apr 2021 19:45:05 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Jarvis Jiang <jarvis.w.jiang@...il.com>
Cc:     hemantk@...eaurora.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, cchen50@...ovo.com,
        mpearson@...ovo.com
Subject: Re: [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn
 T99W175 support

On Thu, Apr 08, 2021 at 02:55:24AM -0700, Jarvis Jiang wrote:
> Add support for T99W175 modems, this modem series is based on SDX55
> qcom chip. The modem is mainly based on MBIM protocol for both the
> data and control path.
> 
> This patch adds support for below modems:
> 
>  - T99W175(based on sdx55), Both for eSIM and Non-eSIM
>  - DW5930e(based on sdx55), With eSIM, It's also T99W175
>  - DW5930e(based on sdx55), Non-eSIM, It's also T99W175
> 
> This patch was tested with Ubuntu 20.04 X86_64 PC as host
> 
> Signed-off-by: Jarvis Jiang <jarvis.w.jiang@...il.com>

Applied to mhi-next!

Thanks,
Mani

> ---
>  drivers/bus/mhi/pci_generic.c | 47 +++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 544853c67e02..c66fb73e47ad 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -269,6 +269,44 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>  	.dma_data_width = 32
>  };
>  
> +static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
> +	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> +	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> +};
> +
> +static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
> +	MHI_EVENT_CONFIG_CTRL(0, 128),
> +	MHI_EVENT_CONFIG_DATA(1, 128),
> +	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
> +	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
> +};
> +
> +static struct mhi_controller_config modem_foxconn_sdx55_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 20000,
> +	.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,
> +};
> +
> +static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
> +	.name = "foxconn-sdx55",
> +	.fw = "qcom/sdx55m/sbl1.mbn",
> +	.edl = "qcom/sdx55m/edl.mbn",
> +	.config = &modem_foxconn_sdx55_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32
> +};
> +
>  static const struct pci_device_id mhi_pci_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
> @@ -280,6 +318,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
> +	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), With eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.25.1
>