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* USB: serial: qcserial: patch for adding Sierra Wireless 9x50, EM91, EM92 and SDX35.
@ 2025-03-20 22:08 Adam Xue
  2025-03-21  1:45 ` Greg KH
  2025-03-26  1:36 ` Lars Melin
  0 siblings, 2 replies; 4+ messages in thread
From: Adam Xue @ 2025-03-20 22:08 UTC (permalink / raw)
  To: johan@kernel.org; +Cc: linux-usb@vger.kernel.org, Iulian Mocanu

Hi Johan,

This is the patch for adding support for Sierra Wireless and Semtech products based on 
Qualcomm 9x50, SDX35, SDX55 and SDX65 based products (EM75xx, EM91xx, EM92xx). 
Currently, only our products based on Qualcomm 9x30 and older chipsets are supported.
These products have a different USB interface layout compared to the default one which 
require code changes. The VID/PID list has also been updated for all products mentioned above.
Please review.
 
Thanks,
 
Adam
 

diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 13c664317a05..f362da97b7de 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -26,12 +26,24 @@ enum qcserial_layouts {
      QCSERIAL_G1K = 1, /* Gobi 1000 */
      QCSERIAL_SWI = 2, /* Sierra Wireless */
      QCSERIAL_HWI = 3, /* Huawei */
+     QCSERIAL_SWI_9X50 = 4, /* Sierra Wireless 9x50 USB-IF */
+     QCSERIAL_SWI_SDX55 = 5, /* Sierra Wireless SDX55 */
+     QCSERIAL_SWI_SDX55_RMNET = 6, /* Sierra Wireless SDX55 rmnet */
+     QCSERIAL_SWI_SDX35 = 7, /* Sierra Wireless SDX35 */
 };
 
 #define DEVICE_G1K(v, p) \
      USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
 #define DEVICE_SWI(v, p) \
      USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
+#define DEVICE_SWI_9X50(v, p) \
+     USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_9X50
+#define DEVICE_SWI_SDX55(v, p) \
+     USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_SDX55
+#define DEVICE_SWI_SDX55_RMNET(v, p) \
+     USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_SDX55_RMNET
+     #define DEVICE_SWI_SDX35(v, p) \
+     USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_SDX35
 #define DEVICE_HWI(v, p) \
      USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
 
@@ -165,11 +177,21 @@ static const struct usb_device_id id_table[] = {
      {DEVICE_SWI(0x1199, 0x907b)}, /* Sierra Wireless EM74xx */
      {DEVICE_SWI(0x1199, 0x9090)}, /* Sierra Wireless EM7565 QDL */
      {DEVICE_SWI(0x1199, 0x9091)}, /* Sierra Wireless EM7565 */
-     {DEVICE_SWI(0x1199, 0x90d2)}, /* Sierra Wireless EM9191 QDL */
+     {DEVICE_SWI(0x1199, 0x90b0)}, /* Sierra Wireless EM7565 QDL */
+     {DEVICE_SWI_9X50(0x1199, 0x90b1)},  /* Sierra Wireless EM7565 */
+     {DEVICE_SWI(0x1199, 0x90d2)}, /* Sierra Wireless EM9190 QDL */
+     {DEVICE_SWI_SDX55(0x1199, 0x90d3)}, /* Sierra Wireless EM9190 */
+     {DEVICE_SWI(0x1199, 0x90d8)}, /* Sierra Wireless EM9190 QDL */
+     {DEVICE_SWI_SDX55_RMNET(0x1199, 0x90d9)}, /* Sierra Wireless EM9190 */
+     {DEVICE_SWI(0x1199, 0x90e0)}, /* Sierra Wireless EM929x QDL */
+     {DEVICE_SWI_SDX55(0x1199, 0x90e1)}, /* Sierra Wireless EM929x */
+     {DEVICE_SWI(0x1199, 0x90e2)}, /* Sierra Wireless EM929x QDL */
+     {DEVICE_SWI_SDX55(0x1199, 0x90e3)}, /* Sierra Wireless EM929x */
      {DEVICE_SWI(0x1199, 0x90e4)}, /* Sierra Wireless EM86xx QDL*/
      {DEVICE_SWI(0x1199, 0x90e5)}, /* Sierra Wireless EM86xx */
      {DEVICE_SWI(0x1199, 0xc080)}, /* Sierra Wireless EM7590 QDL */
      {DEVICE_SWI(0x1199, 0xc081)}, /* Sierra Wireless EM7590 */
+     {DEVICE_SWI_SDX35(0x05c6, 0x90b8)}, /* Sierra Wireless SDX35 */
      {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
      {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
      {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
@@ -367,6 +389,88 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
                  break;
            }
            break;
+     case QCSERIAL_SWI_SDX55:
+           /*
+            * Sierra Wireless SDX55 layout:
+            * 3: AT-capable modem port
+            * 4: DM/DIAG
+            */
+           switch (ifnum) {
+           case 3:
+                 dev_dbg(dev, "Modem port found\n");
+                 sendsetup = true;
+                 break;
+           case 4:
+                 dev_dbg(dev, "DM/DIAG interface found\n");
+                 break;
+           default:
+                 /* don't claim any unsupported interface */
+                 altsetting = -1;
+                 break;
+           }
+           break;
+     case QCSERIAL_SWI_SDX55_RMNET:
+           /*
+            * Sierra Wireless SDX55 layout:
+            * 1: AT-capable modem port
+            * 2: DM
+            */
+           switch (ifnum) {
+           case 1:
+                 dev_dbg(dev, "Modem port found\n");
+                 sendsetup = true;
+                 break;
+           case 2:
+                 dev_dbg(dev, "DM/DIAG interface found\n");
+                 break;
+           default:
+                 /* don't claim any unsupported interface */
+                 altsetting = -1;
+                 break;
+           }
+           break;
+     case QCSERIAL_SWI_9X50:
+           /*
+            * Sierra Wireless 9X50 USB-IF layout:
+            * 2: AT-capable modem port
+            * 3: NMEA
+            * 4: DM
+            */
+           switch (ifnum) {
+           case 2:
+                 dev_dbg(dev, "Modem port found\n");
+                 sendsetup = true;
+                 break;
+           case 3:
+                 dev_dbg(dev, "NMEA GPS interface found\n");
+                 sendsetup = true;
+                 break;
+           case 4:
+                 dev_dbg(dev, "DM/DIAG interface found\n");
+                 break;
+           default:
+                 /* don't claim any unsupported interface */
+                 altsetting = -1;
+                 break;
+           }
+           break;
+     case QCSERIAL_SWI_SDX35:
+           /*
+            */
+           switch (ifnum) {
+           case 0:
+                 dev_dbg(dev, "DM/DIAG interface found\n");
+                 break;
+           case 1:
+                 dev_dbg(dev, "Modem port found\n");
+                 sendsetup = true;
+                 break;
+           default:
+                 /* don't claim any unsupported interface */
+                 altsetting = -1;
+                 break;
+           }
+           break;
      case QCSERIAL_HWI:
            /*
             * Huawei devices map functions by subclass + protocol
 


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2025-03-20 22:08 USB: serial: qcserial: patch for adding Sierra Wireless 9x50, EM91, EM92 and SDX35 Adam Xue
2025-03-21  1:45 ` Greg KH
2025-03-26  1:36 ` Lars Melin
2025-03-26  7:34   ` Johan Hovold

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