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Message-ID: <cb7bd34.6056.1978c2466d2.Coremail.slark_xiao@163.com>
Date: Fri, 20 Jun 2025 15:01:25 +0800 (CST)
From: "Slark Xiao" <slark_xiao@....com>
To: "Manivannan Sadhasivam" <mani@...nel.org>
Cc: manivannan.sadhasivam@...aro.org, johan+linaro@...nel.org,
mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re:Re: [PATCH v2] bus: mhi: host: pci_generic: Add Foxconn T99W696
At 2025-06-17 17:39:11, "Manivannan Sadhasivam" <mani@...nel.org> wrote:
>On Wed, May 28, 2025 at 05:22:32PM +0800, Slark Xiao wrote:
>> T99W696 is designed based on Qualcomm SDX61 chip which is a cost
>> down chip refer to previous SDX62/SDX65. Though we have a support
>> on SDX62/SDX65, we create a new channel config for SDX61 since
>> we add a NMEA channel support from this product.
>> For new products we are allowed to customize the subVID and
>> subPID only.
>>
>
>Could you please push the firmware to linux-firmware? I don't expect the users
>of the products to upstream the firmware, but I do expect the vendors to do so.
>
>FYI: Qcom was able to upstream the firmware for one of their modems:
>https://web.git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/qcom/qdu100/xbl_s.melf?id=01842da45df0a9f862098d1597f6ae5774b3e48a
>
>So there should be no licensing issues. Going forward, I want both Qcom and
>vendors to upstream the firmware before the modem support gets in.
>
>- Mani
>
It should be okay. But we are facing that we can't commit files to linux-firmware
since China was banned from that community.
I will share the edl file to you in another mail.
Thanks
>> Signed-off-by: Slark Xiao <slark_xiao@....com>
>> ---
>> v2: Correct the ch_cfg as sdx61 channels
>> ---
>> drivers/bus/mhi/host/pci_generic.c | 52 ++++++++++++++++++++++++++++++
>> 1 file changed, 52 insertions(+)
>>
>> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
>> index a4a62429c784..a90ab31c46a9 100644
>> --- a/drivers/bus/mhi/host/pci_generic.c
>> +++ b/drivers/bus/mhi/host/pci_generic.c
>> @@ -490,6 +490,23 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
>> MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
>> };
>>
>> +static const struct mhi_channel_config mhi_foxconn_sdx61_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, "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_UL(50, "NMEA", 32, 0),
>> + MHI_CHANNEL_CONFIG_DL(51, "NMEA", 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),
>> @@ -506,6 +523,15 @@ static const struct mhi_controller_config modem_foxconn_sdx55_config = {
>> .event_cfg = mhi_foxconn_sdx55_events,
>> };
>>
>> +static const struct mhi_controller_config modem_foxconn_sdx61_config = {
>> + .max_channels = 128,
>> + .timeout_ms = 20000,
>> + .num_channels = ARRAY_SIZE(mhi_foxconn_sdx61_channels),
>> + .ch_cfg = mhi_foxconn_sdx61_channels,
>> + .num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
>> + .event_cfg = mhi_foxconn_sdx55_events,
>> +};
>> +
>> static const struct mhi_controller_config modem_foxconn_sdx72_config = {
>> .max_channels = 128,
>> .timeout_ms = 20000,
>> @@ -615,6 +641,17 @@ static const struct mhi_pci_dev_info mhi_foxconn_dw5934e_info = {
>> .sideband_wake = false,
>> };
>>
>> +static const struct mhi_pci_dev_info mhi_foxconn_t99w696_info = {
>> + .name = "foxconn-t99w696",
>> + .edl = "qcom/sdx61/foxconn/prog_firehose_lite.elf",
>> + .edl_trigger = true,
>> + .config = &modem_foxconn_sdx61_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),
>> @@ -863,6 +900,21 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>> /* Telit FE990A */
>> { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x1c5d, 0x2015),
>> .driver_data = (kernel_ulong_t) &mhi_telit_fe990a_info },
>> + /* Foxconn T99W696.01, Lenovo Generic SKU */
>> + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe142),
>> + .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
>> + /* Foxconn T99W696.02, Lenovo X1 Carbon SKU */
>> + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe143),
>> + .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
>> + /* Foxconn T99W696.03, Lenovo X1 2in1 SKU */
>> + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe144),
>> + .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
>> + /* Foxconn T99W696.04, Lenovo PRC SKU */
>> + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe145),
>> + .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
>> + /* Foxconn T99W696.00, Foxconn SKU */
>> + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe146),
>> + .driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
>> { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>> .driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
>> { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0309),
>> --
>> 2.25.1
>>
>
>--
>மணிவண்ணன் சதாசிவம்
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