add ec20 drivers

ronnie

2022-10-23 1898d93087d7404317dfdeaffa5d18fadbca52ef

add ec20 drivers

 longan/kernel/linux-4.9/drivers/usb/serial/option.c
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@@ -555,6 +555,10 @@
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 #define WETELECOM_PRODUCT_6802			0x6802
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 #define WETELECOM_PRODUCT_WMD300		0x6803
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+#define FIBOCOM_VENDOR_ID			0x1782
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+#define FIBOCOM_PRODUCT_L61031			0x4D10
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+#define FIBOCOM_PRODUCT_L61032			0x4D11
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+#define FIBOCOM_PRODUCT_L61033			0x4D11
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 /* Device flags */
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@@ -1965,6 +1969,22 @@
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 	  .driver_info = RSVD(4) | RSVD(5) },
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 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff),			/* Fibocom NL678 series */
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 	  .driver_info = RSVD(6) },
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+#if 1
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+	 { USB_DEVICE(0x05C6, 0x9090) }, /* Quectel UC15 */
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+         { USB_DEVICE(0x05C6, 0x9003) }, /* Quectel UC20 */
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+         { USB_DEVICE(0x2C7C, 0x0125) }, /* Quectel EC25/EC20 R2.0 */
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+         { USB_DEVICE(0x2C7C, 0x0121) }, /* Quectel EC21 */
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+         { USB_DEVICE(0x05C6, 0x9215) }, /* Quectel EC20 */
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+         { USB_DEVICE(0x2C7C, 0x0191) }, /* Quectel EG91 */
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+         { USB_DEVICE(0x2C7C, 0x0195) }, /* Quectel EG95 */
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+         { USB_DEVICE(0x2C7C, 0x0306) }, /* Quectel EG06/EP06/EM06 */
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+         { USB_DEVICE(0x2C7C, 0x0296) }, /* Quectel BG96 */
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+#endif
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+	/* fibocom L610 */
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+	{ USB_DEVICE(FIBOCOM_VENDOR_ID, FIBOCOM_PRODUCT_L61031) },
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+	{ USB_DEVICE(FIBOCOM_VENDOR_ID, FIBOCOM_PRODUCT_L61032) },
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+	{ USB_DEVICE(FIBOCOM_VENDOR_ID, FIBOCOM_PRODUCT_L61033) },
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+
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 	{ } /* Terminating entry */
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 };
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 MODULE_DEVICE_TABLE(usb, option_ids);
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@@ -1999,6 +2019,7 @@
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 #ifdef CONFIG_PM
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 	.suspend           = usb_wwan_suspend,
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 	.resume            = usb_wwan_resume,
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+	.reset_resume      = usb_wwan_resume,
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 #endif
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 };
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 longan/kernel/linux-4.9/drivers/usb/serial/usb_wwan.c
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@@ -504,7 +504,17 @@
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 	usb_fill_bulk_urb(urb, serial->dev,
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 			  usb_sndbulkpipe(serial->dev, endpoint) | dir,
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 			  buf, len, callback, ctx);
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-
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+	if (dir == USB_DIR_OUT) {
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+               struct usb_device_descriptor *desc = &serial->dev->descriptor;
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+               if (desc->idVendor == cpu_to_le16(0x05C6) && desc->idProduct == cpu_to_le16(0x9090))
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+         	      urb->transfer_flags |= URB_ZERO_PACKET;
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+               if (desc->idVendor == cpu_to_le16(0x05C6) && desc->idProduct == cpu_to_le16(0x9003))
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+                      urb->transfer_flags |= URB_ZERO_PACKET;
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+               if (desc->idVendor == cpu_to_le16(0x05C6) && desc->idProduct == cpu_to_le16(0x9215))
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+                      urb->transfer_flags |= URB_ZERO_PACKET;
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+               if (desc->idVendor == cpu_to_le16(0x2C7C))
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+                      urb->transfer_flags |= URB_ZERO_PACKET;
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+        }
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 	return urb;
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 }
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