From: Reinhard Speyerer <rspmn@arcor.de>
To: "Carl Yin(殷张成)" <carl.yin@quectel.com>
Cc: "johan@kernel.org" <johan@kernel.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] USB: serial: option: add Quectel BG95 modem
Date: Mon, 16 May 2022 23:12:44 +0200 [thread overview]
Message-ID: <YoK+TH6MzR89SEdo@arcor.de> (raw)
In-Reply-To: <TYZPR06MB4270136AEC3FB06E20F6503486CF9@TYZPR06MB4270.apcprd06.prod.outlook.com>
On Mon, May 16, 2022 at 06:10:17AM +0000, Carl Yin(殷张成) wrote:
> The BG95 modem has 2 USB configurations that are configurable via the AT
> command AT+QCFGEXT="usbnet",["ecm"|"modem"] which make the modem enumerate
> with the following interfaces, respectively:
>
> "modem": Diag + GNSS + Modem + Modem
> "ecm" : DIAG + GNSS + Modem + ECM
Hi Carl,
what about the AT+QCFGEXT="usbnet","rmnet" configuration available on
several firmware versions which makes the BG95 enumerate as
Diag + GNSS + Modem + QMI:
T: Bus=02 Lev=02 Prnt=06 Port=01 Cnt=02 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2c7c ProdID=0700 Rev= 0.00
S: Manufacturer=Quectel, Incorporated
S: Product=Quectel LPWA Module
S: SerialNumber=xxxxxxxx
C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=85(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> A detailed description of the USB configuration for each mode follows:
>
> +QCFGEXT: "usbnet","modem"
> -------------------------
> T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 3 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
> P: Vendor=2c7c ProdID=0700 Rev= 0.00
> S: Manufacturer=Quectel, Incorporated
> S: Product=Quectel LPWA Module
> S: SerialNumber=884328a2
> C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
> E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=fe Prot=ff Driver=option
> E: Ad=85(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> +QCFGEXT: "usbnet","ecm"
> -----------------------
> T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=2c7c ProdID=0700 Rev= 0.00
> S: Manufacturer=Quectel, Incorporated
> S: Product=Quectel LPWA Module
> S: SerialNumber=884328a2
> C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
> A: FirstIf#= 3 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00
> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
> E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 3 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether
> E: Ad=85(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
> I: If#= 4 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> I:* If#= 4 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> Signed-off-by: Carl Yin <carl.yin@quectel.com>
> ---
> drivers/usb/serial/option.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> index 152ad8826..f91b2a67d 100644
> --- a/drivers/usb/serial/option.c
> +++ b/drivers/usb/serial/option.c
> @@ -256,6 +256,7 @@ static void option_instat_callback(struct urb *urb);
> #define QUECTEL_PRODUCT_RM500Q 0x0800
> #define QUECTEL_PRODUCT_EC200S_CN 0x6002
> #define QUECTEL_PRODUCT_EC200T 0x6026
> +#define QUECTEL_PRODUCT_BG95 0x0700
>
> #define CMOTECH_VENDOR_ID 0x16d8
> #define CMOTECH_PRODUCT_6001 0x6001
> @@ -1143,6 +1144,10 @@ static const struct usb_device_id option_ids[] = {
> .driver_info = ZLP },
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) },
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) },
> + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG95, 0xff, 0xff, 0xff),
> + .driver_info = ZLP },
Could you please add a RSVD(3) flag to the driver_info here to avoid
that the option driver incorrectly binds to the QMI interface?
Regards,
Reinhard
> + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG95, 0xff, 0xfe, 0xff),
> + .driver_info = ZLP },
>
> { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
> { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
> --
> 2.17.1
>
next prev parent reply other threads:[~2022-05-16 21:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-16 6:10 [PATCH] USB: serial: option: add Quectel BG95 modem Carl Yin(殷张成)
2022-05-16 21:12 ` Reinhard Speyerer [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-05-17 1:14 Carl Yin(殷张成)
2022-05-17 14:44 ` Johan Hovold
2022-05-17 17:34 ` Reinhard Speyerer
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