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[PATCH v3] bus: mhi: host: pci_generic: Add support for QDU100 device

Vivek Pernamitta posted 1 patch 1 month, 3 weeks ago 
drivers/bus/mhi/host/pci_generic.c | 60 ++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
[PATCH v3] bus: mhi: host: pci_generic: Add support for QDU100 device
Posted by Vivek Pernamitta 1 month, 3 weeks ago 
Add MHI controller configuration for QDU100 device

The Qualcomm X100 5G RAN Accelerator Card is designed to
enhance Open vRAN servers by offloading CPUs from intensive
5G baseband functions.

Currently IP_SW1/2 channel support is not present in
mhi_net driver, will be supporting them in future.

Link: https://docs.qualcomm.com/bundle/publicresource/87-79371-1_REV_A_Qualcomm_X100_5G_RAN_Accelerator_Card_Product_Brief.pdf

Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>

---
changs from V2:
- updated commit text.

changes from V1:
- Changing naming convention from modem_qcom_qdu100*
  to mhi_qcom_qdu100*.
- Updated commit text.
- Fixed and corrected by passing mhi_pci_dev_info struct
  instead of mhi_controller_config.
---
 drivers/bus/mhi/host/pci_generic.c | 60 ++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 9938bb034c1c..b9b7dd8d9411 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -245,6 +245,63 @@ struct mhi_pci_dev_info {
 		.channel = ch_num,		\
 	}
 
+static const struct mhi_channel_config mhi_qcom_qdu100_channels[] = {
+	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 2),
+	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 2),
+	MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 128, 1),
+	MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 128, 1),
+	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 64, 3),
+	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 64, 3),
+	MHI_CHANNEL_CONFIG_UL(9, "QDSS", 64, 3),
+	MHI_CHANNEL_CONFIG_UL(14, "NMEA", 32, 4),
+	MHI_CHANNEL_CONFIG_DL(15, "NMEA", 32, 4),
+	MHI_CHANNEL_CONFIG_UL(16, "CSM_CTRL", 32, 4),
+	MHI_CHANNEL_CONFIG_DL(17, "CSM_CTRL", 32, 4),
+	MHI_CHANNEL_CONFIG_UL(40, "MHI_PHC", 32, 4),
+	MHI_CHANNEL_CONFIG_DL(41, "MHI_PHC", 32, 4),
+	MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 256, 5),
+	MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 256, 5),
+	MHI_CHANNEL_CONFIG_UL(48, "IP_SW1", 256, 6),
+	MHI_CHANNEL_CONFIG_DL(49, "IP_SW1", 256, 6),
+	MHI_CHANNEL_CONFIG_UL(50, "IP_SW2", 256, 7),
+	MHI_CHANNEL_CONFIG_DL(51, "IP_SW2", 256, 7),
+};
+
+static struct mhi_event_config mhi_qcom_qdu100_events[] = {
+	/* first ring is control+data ring */
+	MHI_EVENT_CONFIG_CTRL(0, 64),
+	/* SAHARA dedicated event ring */
+	MHI_EVENT_CONFIG_SW_DATA(1, 256),
+	/* Software channels dedicated event ring */
+	MHI_EVENT_CONFIG_SW_DATA(2, 64),
+	MHI_EVENT_CONFIG_SW_DATA(3, 256),
+	MHI_EVENT_CONFIG_SW_DATA(4, 256),
+	/* Software IP channels dedicated event ring */
+	MHI_EVENT_CONFIG_SW_DATA(5, 512),
+	MHI_EVENT_CONFIG_SW_DATA(6, 512),
+	MHI_EVENT_CONFIG_SW_DATA(7, 512),
+};
+
+static const struct mhi_controller_config mhi_qcom_qdu100_config = {
+	.max_channels = 128,
+	.timeout_ms = 120000,
+	.num_channels = ARRAY_SIZE(mhi_qcom_qdu100_channels),
+	.ch_cfg = mhi_qcom_qdu100_channels,
+	.num_events = ARRAY_SIZE(mhi_qcom_qdu100_events),
+	.event_cfg = mhi_qcom_qdu100_events,
+};
+
+static const struct mhi_pci_dev_info mhi_qcom_qdu100_info = {
+	.name = "qcom-lassen",
+	.fw = "qcom/lassen/xbl_s.melf",
+	.edl = "qcom/lassen/edl.mbn",
+	.edl_trigger = true,
+	.config = &mhi_qcom_qdu100_config,
+	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+	.dma_data_width = 32,
+	.sideband_wake = false,
+};
+
 static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
 	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 16, 1),
 	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 16, 1),
@@ -822,6 +879,9 @@ static const struct pci_device_id mhi_pci_id_table[] = {
 	/* NETPRISMA FCUN69 (SDX6X) */
 	{ PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1001),
 		.driver_data = (kernel_ulong_t) &mhi_netprisma_fcun69_info },
+	/* QDU100, x100-DU */
+	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0601),
+		.driver_data = (kernel_ulong_t)&mhi_qcom_qdu100_info },
 	{  }
 };
 MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
-- 
2.34.1
Re: [PATCH v3] bus: mhi: host: pci_generic: Add support for QDU100 device
Posted by Dmitry Baryshkov 1 month, 3 weeks ago 
On Mon, Oct 07, 2024 at 02:46:20PM GMT, Vivek Pernamitta wrote:
> Add MHI controller configuration for QDU100 device
> 
> The Qualcomm X100 5G RAN Accelerator Card is designed to
> enhance Open vRAN servers by offloading CPUs from intensive
> 5G baseband functions.
> 
> Currently IP_SW1/2 channel support is not present in
> mhi_net driver, will be supporting them in future.

When? Can we get corresponding support as a part of the same patch
series?

> 
> Link: https://docs.qualcomm.com/bundle/publicresource/87-79371-1_REV_A_Qualcomm_X100_5G_RAN_Accelerator_Card_Product_Brief.pdf
> 

No empty lines between tags.

> Signed-off-by: Vivek Pernamitta <quic_vpernami@quicinc.com>
> 
> ---
> changs from V2:
> - updated commit text.
> 
> changes from V1:
> - Changing naming convention from modem_qcom_qdu100*
>   to mhi_qcom_qdu100*.
> - Updated commit text.
> - Fixed and corrected by passing mhi_pci_dev_info struct
>   instead of mhi_controller_config.
> ---
>  drivers/bus/mhi/host/pci_generic.c | 60 ++++++++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 9938bb034c1c..b9b7dd8d9411 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -245,6 +245,63 @@ struct mhi_pci_dev_info {
>  		.channel = ch_num,		\
>  	}
>  
> +static const struct mhi_channel_config mhi_qcom_qdu100_channels[] = {
> +	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 2),
> +	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 2),
> +	MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 128, 1),
> +	MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 128, 1),
> +	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 64, 3),
> +	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 64, 3),
> +	MHI_CHANNEL_CONFIG_UL(9, "QDSS", 64, 3),
> +	MHI_CHANNEL_CONFIG_UL(14, "NMEA", 32, 4),
> +	MHI_CHANNEL_CONFIG_DL(15, "NMEA", 32, 4),
> +	MHI_CHANNEL_CONFIG_UL(16, "CSM_CTRL", 32, 4),
> +	MHI_CHANNEL_CONFIG_DL(17, "CSM_CTRL", 32, 4),
> +	MHI_CHANNEL_CONFIG_UL(40, "MHI_PHC", 32, 4),
> +	MHI_CHANNEL_CONFIG_DL(41, "MHI_PHC", 32, 4),
> +	MHI_CHANNEL_CONFIG_UL(46, "IP_SW0", 256, 5),
> +	MHI_CHANNEL_CONFIG_DL(47, "IP_SW0", 256, 5),
> +	MHI_CHANNEL_CONFIG_UL(48, "IP_SW1", 256, 6),
> +	MHI_CHANNEL_CONFIG_DL(49, "IP_SW1", 256, 6),
> +	MHI_CHANNEL_CONFIG_UL(50, "IP_SW2", 256, 7),
> +	MHI_CHANNEL_CONFIG_DL(51, "IP_SW2", 256, 7),
> +};
> +
> +static struct mhi_event_config mhi_qcom_qdu100_events[] = {
> +	/* first ring is control+data ring */
> +	MHI_EVENT_CONFIG_CTRL(0, 64),
> +	/* SAHARA dedicated event ring */
> +	MHI_EVENT_CONFIG_SW_DATA(1, 256),
> +	/* Software channels dedicated event ring */
> +	MHI_EVENT_CONFIG_SW_DATA(2, 64),
> +	MHI_EVENT_CONFIG_SW_DATA(3, 256),
> +	MHI_EVENT_CONFIG_SW_DATA(4, 256),
> +	/* Software IP channels dedicated event ring */
> +	MHI_EVENT_CONFIG_SW_DATA(5, 512),
> +	MHI_EVENT_CONFIG_SW_DATA(6, 512),
> +	MHI_EVENT_CONFIG_SW_DATA(7, 512),
> +};
> +
> +static const struct mhi_controller_config mhi_qcom_qdu100_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 120000,
> +	.num_channels = ARRAY_SIZE(mhi_qcom_qdu100_channels),
> +	.ch_cfg = mhi_qcom_qdu100_channels,
> +	.num_events = ARRAY_SIZE(mhi_qcom_qdu100_events),
> +	.event_cfg = mhi_qcom_qdu100_events,
> +};
> +
> +static const struct mhi_pci_dev_info mhi_qcom_qdu100_info = {
> +	.name = "qcom-lassen",
> +	.fw = "qcom/lassen/xbl_s.melf",
> +	.edl = "qcom/lassen/edl.mbn",
> +	.edl_trigger = true,
> +	.config = &mhi_qcom_qdu100_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.sideband_wake = false,
> +};
> +
>  static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
>  	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 16, 1),
>  	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 16, 1),
> @@ -822,6 +879,9 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  	/* NETPRISMA FCUN69 (SDX6X) */
>  	{ PCI_DEVICE(PCI_VENDOR_ID_NETPRISMA, 0x1001),
>  		.driver_data = (kernel_ulong_t) &mhi_netprisma_fcun69_info },
> +	/* QDU100, x100-DU */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0601),
> +		.driver_data = (kernel_ulong_t)&mhi_qcom_qdu100_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry

Patchew 2.1-devel-b67e4c2

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