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Date: Tue, 10 May 2016 09:08:48 +0200
From: Mathieu OTHACEHE <m.othacehe@...il.com>
To: johan@...nel.org
Cc: gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org,
Mathieu OTHACEHE <m.othacehe@...il.com>
Subject: [PATCH v2] usb: serial: ti_usb_3410_5052: add MOXA UPORT 11x0 support
Add support for :
- UPort 1110 : 1 port RS-232 USB to Serial Hub.
- UPort 1130 : 1 port RS-422/485 USB to Serial Hub.
- UPort 1130I : 1 port RS-422/485 USB to Serial Hub with Isolation.
- UPort 1150 : 1 port RS-232/422/485 USB to Serial Hub.
- UPort 1150I : 1 port RS-232/422/485 USB to Serial Hub with Isolation.
These devices are based on TI 3410 chip.
Signed-off-by: Mathieu OTHACEHE <m.othacehe@...il.com>
---
Hi,
Here is the second version of the patch.
Thank you,
Mathieu
Changelog:
v2:
* Add a rs485_only flag to device structure.
* Try to load moxa firmware without fallback.
drivers/usb/serial/ti_usb_3410_5052.c | 54 +++++++++++++++++++++++++++++++++--
drivers/usb/serial/ti_usb_3410_5052.h | 8 ++++++
2 files changed, 59 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 2694df2..e5fd179 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -80,6 +80,7 @@ struct ti_device {
int td_open_port_count;
struct usb_serial *td_serial;
int td_is_3410;
+ bool td_rs485_only;
int td_urb_error;
};
@@ -160,6 +161,11 @@ static const struct usb_device_id ti_id_table_3410[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
{ USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1110_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1130_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) },
{ } /* terminator */
};
@@ -193,6 +199,11 @@ static const struct usb_device_id ti_id_table_combined[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
{ USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1110_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1130_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1131_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1150_PRODUCT_ID) },
+ { USB_DEVICE(MXU1_VENDOR_ID, MXU1_1151_PRODUCT_ID) },
{ } /* terminator */
};
@@ -277,6 +288,11 @@ MODULE_FIRMWARE("mts_gsm.fw");
MODULE_FIRMWARE("mts_edge.fw");
MODULE_FIRMWARE("mts_mt9234mu.fw");
MODULE_FIRMWARE("mts_mt9234zba.fw");
+MODULE_FIRMWARE("moxa/moxa-1110.fw");
+MODULE_FIRMWARE("moxa/moxa-1130.fw");
+MODULE_FIRMWARE("moxa/moxa-1131.fw");
+MODULE_FIRMWARE("moxa/moxa-1150.fw");
+MODULE_FIRMWARE("moxa/moxa-1151.fw");
module_param(closing_wait, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(closing_wait,
@@ -292,6 +308,9 @@ static int ti_startup(struct usb_serial *serial)
{
struct ti_device *tdev;
struct usb_device *dev = serial->dev;
+ struct usb_host_interface *cur_altsetting;
+ int num_endpoints;
+ u16 model;
int status;
dev_dbg(&dev->dev,
@@ -315,8 +334,21 @@ static int ti_startup(struct usb_serial *serial)
dev_dbg(&dev->dev, "%s - device type is %s\n", __func__,
tdev->td_is_3410 ? "3410" : "5052");
- /* if we have only 1 configuration, download firmware */
- if (dev->descriptor.bNumConfigurations == 1) {
+ model = le16_to_cpu(dev->descriptor.idProduct);
+ switch (model) {
+ case MXU1_1130_PRODUCT_ID:
+ case MXU1_1131_PRODUCT_ID:
+ tdev->td_rs485_only = true;
+ break;
+ default:
+ tdev->td_rs485_only = false;
+ }
+
+ cur_altsetting = serial->interface->cur_altsetting;
+ num_endpoints = cur_altsetting->desc.bNumEndpoints;
+
+ /* if we have only 1 configuration and 1 endpoint, download firmware */
+ if (dev->descriptor.bNumConfigurations == 1 && num_endpoints == 1) {
status = ti_download_firmware(tdev);
if (status != 0)
@@ -371,7 +403,11 @@ static int ti_port_probe(struct usb_serial_port *port)
port->port.closing_wait = msecs_to_jiffies(10 * closing_wait);
tport->tp_port = port;
tport->tp_tdev = usb_get_serial_data(port->serial);
- tport->tp_uart_mode = 0; /* default is RS232 */
+
+ if (tport->tp_tdev->td_rs485_only)
+ tport->tp_uart_mode = TI_UART_485_RECEIVER_DISABLED;
+ else
+ tport->tp_uart_mode = TI_UART_232;
usb_set_serial_port_data(port, tport);
@@ -1450,6 +1486,16 @@ static int ti_download_firmware(struct ti_device *tdev)
const struct firmware *fw_p;
char buf[32];
+ if (le16_to_cpu(dev->descriptor.idVendor) == MXU1_VENDOR_ID) {
+ snprintf(buf,
+ sizeof(buf),
+ "moxa/moxa-%04x.fw",
+ le16_to_cpu(dev->descriptor.idProduct));
+
+ status = request_firmware(&fw_p, buf, &dev->dev);
+ goto check_firmware;
+ }
+
/* try ID specific firmware first, then try generic firmware */
sprintf(buf, "ti_usb-v%04x-p%04x.fw",
le16_to_cpu(dev->descriptor.idVendor),
@@ -1487,6 +1533,8 @@ static int ti_download_firmware(struct ti_device *tdev)
}
status = request_firmware(&fw_p, buf, &dev->dev);
}
+
+check_firmware:
if (status) {
dev_err(&dev->dev, "%s - firmware not found\n", __func__);
return -ENOENT;
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 98f35c6..bbfd3a1 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -60,6 +60,14 @@
#define HONEYWELL_VENDOR_ID 0x10ac
#define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */
+/* Moxa UPORT 11x0 vendor and product IDs */
+#define MXU1_VENDOR_ID 0x110a
+#define MXU1_1110_PRODUCT_ID 0x1110
+#define MXU1_1130_PRODUCT_ID 0x1130
+#define MXU1_1131_PRODUCT_ID 0x1131
+#define MXU1_1150_PRODUCT_ID 0x1150
+#define MXU1_1151_PRODUCT_ID 0x1151
+
/* Commands */
#define TI_GET_VERSION 0x01
#define TI_GET_PORT_STATUS 0x02
--
2.8.2
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