{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_ZTEK) },
{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_TB) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GC) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GB) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GT) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GL) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GE) },
+ { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GS) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID),
#define VENDOR_WRITE_REQUEST_TYPE 0x40
#define VENDOR_WRITE_REQUEST 0x01
+#define VENDOR_WRITE_NREQUEST 0x80
#define VENDOR_READ_REQUEST_TYPE 0xc0
#define VENDOR_READ_REQUEST 0x01
+#define VENDOR_READ_NREQUEST 0x81
#define UART_STATE_INDEX 8
#define UART_STATE_MSR_MASK 0x8b
#define PL2303_FLOWCTRL_MASK 0xf0
+#define PL2303_READ_TYPE_HX_STATUS 0x8080
+
+#define PL2303_HXN_RESET_REG 0x07
+#define PL2303_HXN_RESET_UPSTREAM_PIPE 0x02
+#define PL2303_HXN_RESET_DOWNSTREAM_PIPE 0x01
+
+#define PL2303_HXN_FLOWCTRL_REG 0x0a
+#define PL2303_HXN_FLOWCTRL_MASK 0x1c
+#define PL2303_HXN_FLOWCTRL_NONE 0x1c
+#define PL2303_HXN_FLOWCTRL_RTS_CTS 0x18
+#define PL2303_HXN_FLOWCTRL_XON_XOFF 0x0c
+
static void pl2303_set_break(struct usb_serial_port *port, bool enable);
enum pl2303_type {
TYPE_01, /* Type 0 and 1 (difference unknown) */
TYPE_HX, /* HX version of the pl2303 chip */
+ TYPE_HXN, /* HXN version of the pl2303 chip */
TYPE_COUNT
};
[TYPE_HX] = {
.max_baud_rate = 12000000,
},
+ [TYPE_HXN] = {
+ .max_baud_rate = 12000000,
+ },
};
static int pl2303_vendor_read(struct usb_serial *serial, u16 value,
unsigned char buf[1])
{
+ struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
struct device *dev = &serial->interface->dev;
+ u8 request;
int res;
+ if (spriv->type == &pl2303_type_data[TYPE_HXN])
+ request = VENDOR_READ_NREQUEST;
+ else
+ request = VENDOR_READ_REQUEST;
+
res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE,
+ request, VENDOR_READ_REQUEST_TYPE,
value, 0, buf, 1, 100);
if (res != 1) {
dev_err(dev, "%s - failed to read [%04x]: %d\n", __func__,
static int pl2303_vendor_write(struct usb_serial *serial, u16 value, u16 index)
{
+ struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
struct device *dev = &serial->interface->dev;
+ u8 request;
int res;
dev_dbg(dev, "%s - [%04x] = %02x\n", __func__, value, index);
+ if (spriv->type == &pl2303_type_data[TYPE_HXN])
+ request = VENDOR_WRITE_NREQUEST;
+ else
+ request = VENDOR_WRITE_REQUEST;
+
res = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- VENDOR_WRITE_REQUEST, VENDOR_WRITE_REQUEST_TYPE,
+ request, VENDOR_WRITE_REQUEST_TYPE,
value, index, NULL, 0, 100);
if (res) {
dev_err(dev, "%s - failed to write [%04x]: %d\n", __func__,
static int pl2303_update_reg(struct usb_serial *serial, u8 reg, u8 mask, u8 val)
{
+ struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
int ret = 0;
u8 *buf;
if (!buf)
return -ENOMEM;
- ret = pl2303_vendor_read(serial, reg | 0x80, buf);
+ if (spriv->type == &pl2303_type_data[TYPE_HXN])
+ ret = pl2303_vendor_read(serial, reg, buf);
+ else
+ ret = pl2303_vendor_read(serial, reg | 0x80, buf);
+
if (ret)
goto out_free;
struct pl2303_serial_private *spriv;
enum pl2303_type type = TYPE_01;
unsigned char *buf;
+ int res;
spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
if (!spriv)
type = TYPE_01; /* type 1 */
dev_dbg(&serial->interface->dev, "device type: %d\n", type);
+ if (type == TYPE_HX) {
+ res = usb_control_msg(serial->dev,
+ usb_rcvctrlpipe(serial->dev, 0),
+ VENDOR_READ_REQUEST, VENDOR_READ_REQUEST_TYPE,
+ PL2303_READ_TYPE_HX_STATUS, 0, buf, 1, 100);
+ if (res != 1)
+ type = TYPE_HXN;
+ }
+
spriv->type = &pl2303_type_data[type];
spriv->quirks = (unsigned long)usb_get_serial_data(serial);
spriv->quirks |= spriv->type->quirks;
usb_set_serial_data(serial, spriv);
- pl2303_vendor_read(serial, 0x8484, buf);
- pl2303_vendor_write(serial, 0x0404, 0);
- pl2303_vendor_read(serial, 0x8484, buf);
- pl2303_vendor_read(serial, 0x8383, buf);
- pl2303_vendor_read(serial, 0x8484, buf);
- pl2303_vendor_write(serial, 0x0404, 1);
- pl2303_vendor_read(serial, 0x8484, buf);
- pl2303_vendor_read(serial, 0x8383, buf);
- pl2303_vendor_write(serial, 0, 1);
- pl2303_vendor_write(serial, 1, 0);
- if (spriv->quirks & PL2303_QUIRK_LEGACY)
- pl2303_vendor_write(serial, 2, 0x24);
- else
- pl2303_vendor_write(serial, 2, 0x44);
+ if (type != TYPE_HXN) {
+ pl2303_vendor_read(serial, 0x8484, buf);
+ pl2303_vendor_write(serial, 0x0404, 0);
+ pl2303_vendor_read(serial, 0x8484, buf);
+ pl2303_vendor_read(serial, 0x8383, buf);
+ pl2303_vendor_read(serial, 0x8484, buf);
+ pl2303_vendor_write(serial, 0x0404, 1);
+ pl2303_vendor_read(serial, 0x8484, buf);
+ pl2303_vendor_read(serial, 0x8383, buf);
+ pl2303_vendor_write(serial, 0, 1);
+ pl2303_vendor_write(serial, 1, 0);
+ if (spriv->quirks & PL2303_QUIRK_LEGACY)
+ pl2303_vendor_write(serial, 2, 0x24);
+ else
+ pl2303_vendor_write(serial, 2, 0x44);
+ }
kfree(buf);
}
if (C_CRTSCTS(tty)) {
- if (spriv->quirks & PL2303_QUIRK_LEGACY)
+ if (spriv->quirks & PL2303_QUIRK_LEGACY) {
pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x40);
- else
+ } else if (spriv->type == &pl2303_type_data[TYPE_HXN]) {
+ pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG,
+ PL2303_HXN_FLOWCTRL_MASK,
+ PL2303_HXN_FLOWCTRL_RTS_CTS);
+ } else {
pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0x60);
+ }
} else if (pl2303_enable_xonxoff(tty, spriv->type)) {
- pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0xc0);
+ if (spriv->type == &pl2303_type_data[TYPE_HXN]) {
+ pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG,
+ PL2303_HXN_FLOWCTRL_MASK,
+ PL2303_HXN_FLOWCTRL_XON_XOFF);
+ } else {
+ pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0xc0);
+ }
} else {
- pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0);
+ if (spriv->type == &pl2303_type_data[TYPE_HXN]) {
+ pl2303_update_reg(serial, PL2303_HXN_FLOWCTRL_REG,
+ PL2303_HXN_FLOWCTRL_MASK,
+ PL2303_HXN_FLOWCTRL_NONE);
+ } else {
+ pl2303_update_reg(serial, 0, PL2303_FLOWCTRL_MASK, 0);
+ }
}
kfree(buf);
usb_clear_halt(serial->dev, port->read_urb->pipe);
} else {
/* reset upstream data pipes */
- pl2303_vendor_write(serial, 8, 0);
- pl2303_vendor_write(serial, 9, 0);
+ if (spriv->type == &pl2303_type_data[TYPE_HXN]) {
+ pl2303_vendor_write(serial, PL2303_HXN_RESET_REG,
+ PL2303_HXN_RESET_UPSTREAM_PIPE |
+ PL2303_HXN_RESET_DOWNSTREAM_PIPE);
+ } else {
+ pl2303_vendor_write(serial, 8, 0);
+ pl2303_vendor_write(serial, 9, 0);
+ }
}
/* Setup termios */