linux-kernel - Re: [PATCH 2/2] bus: mhi: host: pci_generic: Add SDX75 based modem support

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Message-ID: <20231106054413.GD2474@thinkpad>
Date:   Mon, 6 Nov 2023 11:14:13 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Qiang Yu <quic_qianyu@...cinc.com>
Cc:     quic_jhugo@...cinc.com, mhi@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_cang@...cinc.com, quic_mrana@...cinc.com
Subject: Re: [PATCH 2/2] bus: mhi: host: pci_generic: Add SDX75 based modem
 support

On Mon, Nov 06, 2023 at 11:42:52AM +0800, Qiang Yu wrote:
> Add generic info for SDX75 based modems. SDX75 takes longer to set ready
> during power up. Hence use separate configuration.
> 
> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>

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

- Mani

> ---
>  drivers/bus/mhi/host/pci_generic.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 08f3f03..cd6cd14 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -269,6 +269,16 @@ static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
>  	MHI_EVENT_CONFIG_HW_DATA(5, 2048, 101)
>  };
>  
> +static const struct mhi_controller_config modem_qcom_v2_mhiv_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 8000,
> +	.ready_timeout_ms = 50000,
> +	.num_channels = ARRAY_SIZE(modem_qcom_v1_mhi_channels),
> +	.ch_cfg = modem_qcom_v1_mhi_channels,
> +	.num_events = ARRAY_SIZE(modem_qcom_v1_mhi_events),
> +	.event_cfg = modem_qcom_v1_mhi_events,
> +};
> +
>  static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {
>  	.max_channels = 128,
>  	.timeout_ms = 8000,
> @@ -278,6 +288,16 @@ static const struct mhi_controller_config modem_qcom_v1_mhiv_config = {
>  	.event_cfg = modem_qcom_v1_mhi_events,
>  };
>  
> +static const struct mhi_pci_dev_info mhi_qcom_sdx75_info = {
> +	.name = "qcom-sdx75m",
> +	.fw = "qcom/sdx75m/xbl.elf",
> +	.edl = "qcom/sdx75m/edl.mbn",
> +	.config = &modem_qcom_v2_mhiv_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.sideband_wake = false,
> +};
> +
>  static const struct mhi_pci_dev_info mhi_qcom_sdx65_info = {
>  	.name = "qcom-sdx65m",
>  	.fw = "qcom/sdx65m/xbl.elf",
> @@ -600,6 +620,8 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  		.driver_data = (kernel_ulong_t) &mhi_telit_fn990_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0309),
> +		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx75_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1001), /* EM120R-GL (sdx24) */
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1002), /* EM160R-GL (sdx24) */
> -- 
> 2.7.4
> 
> 

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