linux-kernel - Re: [PATCH] bus: mhi: host: pci_generic: Add support for Netprisma LCUR57 and FCUN69

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Date: Wed, 5 Jun 2024 11:45:08 +0530
From: "manivannan.sadhasivam@...aro.org" <manivannan.sadhasivam@...aro.org>
To: mank <mank@...prisma.us>
Cc: "duke_xinanwen@....com" <duke_xinanwen@....com>,
	"loic.poulain@...aro.org" <loic.poulain@...aro.org>,
	"quic_qianyu@...cinc.com" <quic_qianyu@...cinc.com>,
	"mhi@...ts.linux.dev" <mhi@...ts.linux.dev>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bus: mhi: host: pci_generic: Add support for Netprisma
 LCUR57 and FCUN69

On Wed, Jun 05, 2024 at 12:53:31AM +0000, mank wrote:
> Add Netprisma LCUR57 and FCUN69 hardware revision:
> 
> LCUR57:
> 02:00.0 Unassigned class [ff00]: Device 203e:1000
> 	Subsystem: Device 203e:1000
> 
> FCUN69:
> 02:00.0 Unassigned class [ff00]: Device 203e:1001
> 	Subsystem: Device 203e:1001
> 
> Signed-off-by: Mank Wang <mank@...prisma.us>
> ---
>  drivers/bus/mhi/host/pci_generic.c | 61 ++++++++++++++++++++++++++++++
>  1 file changed, 61 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 08844ee79654..e2b88699ce9e 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -26,6 +26,7 @@
>  /* PCI VID definitions */
>  #define PCI_VENDOR_ID_THALES	0x1269
>  #define PCI_VENDOR_ID_QUECTEL	0x1eac
> +#define PCI_VENDOR_ID_NETPRISMA	0x203E

lower case please.

>  
>  #define MHI_EDL_DB			91
>  #define MHI_EDL_COOKIE			0xEDEDEDED
> @@ -606,6 +607,60 @@ static const struct mhi_pci_dev_info mhi_telit_fn990_info = {
>  	.mru_default = 32768,
>  };
>  
> +static const struct mhi_channel_config mhi_netprisma_lcur57_channels[] = {
> +	MHI_CHANNEL_CONFIG_UL(0, "NMEA", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(1, "NMEA", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 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, "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),
> +};
> +
> +static struct mhi_event_config mhi_netprisma_lcur57_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 const struct mhi_controller_config modem_netprisma_lcur57_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 20000,
> +	.num_channels = ARRAY_SIZE(mhi_netprisma_lcur57_channels),
> +	.ch_cfg = mhi_netprisma_lcur57_channels,
> +	.num_events = ARRAY_SIZE(mhi_netprisma_lcur57_events),
> +	.event_cfg = mhi_netprisma_lcur57_events,
> +};
> +

The config looks similar to 'modem_quectel_em1xx_config', so you can just reuse
it.

- Mani

> +static const struct mhi_pci_dev_info mhi_netprisma_lcur57_info = {
> +	.name = "netprisma-lcur57",
> +	.edl = "qcom/prog_firehose_sdx24.mbn",
> +	.config = &modem_netprisma_lcur57_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.mru_default = 32768,
> +	.sideband_wake = true,
> +};
> +
> +static const struct mhi_pci_dev_info mhi_netprisma_fcun69_info = {
> +	.name = "netprisma-fcun69",
> +	.edl = "qcom/prog_firehose_sdx6x.elf",
> +	/* FCUN69 uses the same controller configuration as LCUR57 */
> +	.config = &modem_netprisma_lcur57_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.mru_default = 32768,
> +	.sideband_wake = true,
> +};
> +
>  /* Keep the list sorted based on the PID. New VID should be added as the last entry */
>  static const struct pci_device_id mhi_pci_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),
> @@ -695,6 +750,12 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  	/* T99W175 (sdx55), HP variant */
>  	{ PCI_DEVICE(0x03f0, 0x0a6c),
>  		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* NETPRISMA LCUR57 (SDX24) */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1000),
> +		.driver_data = (kernel_ulong_t) &mhi_netprisma_lcur57_info },
> +	/* NETPRISMA FCUN69 (SDX6X) */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1001),
> +		.driver_data = (kernel_ulong_t) &mhi_netprisma_fcun69_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.34.1
> 



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