linux-kernel - [PATCH 3/5] USB: serial: qcserial: add EM9xxx (SDX55) IDs and configurations

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Message-ID: <20241117083204.57738-3-intelfx@intelfx.name>
Date: Sun, 17 Nov 2024 12:31:13 +0400
From: Ivan Shapovalov <intelfx@...elfx.name>
To: linux-kernel@...r.kernel.org
Cc: Ivan Shapovalov <intelfx@...elfx.name>,
	Bjørn Mork <bjorn@...k.no>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Johan Hovold <johan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	netdev@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: [PATCH 3/5] USB: serial: qcserial: add EM9xxx (SDX55) IDs and configurations

This is a port of the corresponding change from the qcserial.c driver
distributed as part of the 9X50 SDK. It was not tested by the author.

Signed-off-by: Ivan Shapovalov <intelfx@...elfx.name>
---
 drivers/usb/serial/qcserial.c | 55 ++++++++++++++++++++++++++++++++++-
 1 file changed, 54 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index c7167242e235..f1b0ef9935bb 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -28,6 +28,8 @@ enum qcserial_layouts {
 	QCSERIAL_HWI = 3,	/* Huawei */
 	QCSERIAL_SWI_9X50_MBIM = 4, /* Sierra Wireless 9x50 "MBIM USBIF" */
 	QCSERIAL_SWI_9X50_PCIE = 5, /* Sierra Wireless 9x50 "PCIE USBIF" */
+	QCSERIAL_SWI_SDX55 = 6, /* Sierra Wireless SDX55 */
+	QCSERIAL_SWI_SDX55_RMNET = 7, /* Sierra Wireless SDX55 */
 };
 
 #define DEVICE_G1K(v, p) \
@@ -38,6 +40,10 @@ enum qcserial_layouts {
 	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_9X50_PCIE
 #define DEVICE_SWI_9X50_MBIM(v, p) \
 	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI_9X50_MBIM
+#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_HWI(v, p) \
 	USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
 
@@ -177,11 +183,18 @@ static const struct usb_device_id id_table[] = {
 	{DEVICE_SWI_9X50_PCIE(0x1199, 0x90c1)},	/* Sierra Wireless EM7565 (unknown configuration, found in on-device AT command help) */
 	{DEVICE_SWI(0x1199, 0x90c2)},	/* Sierra Wireless EM7565 QDL */
 	{DEVICE_SWI_9X50_PCIE(0x1199, 0x90c3)},	/* Sierra Wireless EM7565 "PCIE USBIF" */
-	{DEVICE_SWI(0x1199, 0x90d2)},	/* Sierra Wireless EM9191 QDL */
 	{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(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(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 */
@@ -476,6 +489,46 @@ 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
+		 */
+		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;
 	default:
 		dev_err(dev, "unsupported device layout type: %lu\n",
 			id->driver_info);
-- 
2.47.0.5.gd823fa0eac