From 5128a66c6605d8178f69b7a8f2a70060933a26b4 Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Thu, 6 Aug 2009 16:09:52 -0700 Subject: USB: ark3116: add IrDA support for Gembird UIR-22 Add IrDA support to ark3116 driver. This makes Gembird UIR-22 USB to IrDA adapter work (vendor ID 0x18ec, device ID 0x3118). This adapter contains ARK3116T USB serial chip and an IrDA transceiver, thus a command like "irattach /dev/ttyUSB0 -s" is needed. All magic numbers were captured using usbsnoop from windows driver that came with the device. Signed-off-by: Ondrej Zary Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ark3116.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 5d25d3e52bf6..131e61adaaf7 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -31,10 +31,20 @@ static int debug; static struct usb_device_id id_table [] = { { USB_DEVICE(0x6547, 0x0232) }, + { USB_DEVICE(0x18ec, 0x3118) }, /* USB to IrDA adapter */ { }, }; MODULE_DEVICE_TABLE(usb, id_table); +static int is_irda(struct usb_serial *serial) +{ + struct usb_device *dev = serial->dev; + if (le16_to_cpu(dev->descriptor.idVendor) == 0x18ec && + le16_to_cpu(dev->descriptor.idProduct) == 0x3118) + return 1; + return 0; +} + static inline void ARK3116_SND(struct usb_serial *serial, int seq, __u8 request, __u8 requesttype, __u16 value, __u16 index) @@ -84,11 +94,21 @@ static int ark3116_attach(struct usb_serial *serial) return -ENOMEM; } + if (is_irda(serial)) + dbg("IrDA mode"); + /* 3 */ ARK3116_SND(serial, 3, 0xFE, 0x40, 0x0008, 0x0002); ARK3116_SND(serial, 4, 0xFE, 0x40, 0x0008, 0x0001); ARK3116_SND(serial, 5, 0xFE, 0x40, 0x0000, 0x0008); - ARK3116_SND(serial, 6, 0xFE, 0x40, 0x0000, 0x000B); + ARK3116_SND(serial, 6, 0xFE, 0x40, is_irda(serial) ? 0x0001 : 0x0000, + 0x000B); + + if (is_irda(serial)) { + ARK3116_SND(serial, 1001, 0xFE, 0x40, 0x0000, 0x000C); + ARK3116_SND(serial, 1002, 0xFE, 0x40, 0x0041, 0x000D); + ARK3116_SND(serial, 1003, 0xFE, 0x40, 0x0001, 0x000A); + } /* <-- seq7 */ ARK3116_RCV(serial, 7, 0xFE, 0xC0, 0x0000, 0x0003, 0x00, buf); @@ -125,6 +145,8 @@ static int ark3116_attach(struct usb_serial *serial) ARK3116_SND(serial, 147, 0xFE, 0x40, 0x0083, 0x0003); ARK3116_SND(serial, 148, 0xFE, 0x40, 0x0038, 0x0000); ARK3116_SND(serial, 149, 0xFE, 0x40, 0x0001, 0x0001); + if (is_irda(serial)) + ARK3116_SND(serial, 1004, 0xFE, 0x40, 0x0000, 0x0009); ARK3116_SND(serial, 150, 0xFE, 0x40, 0x0003, 0x0003); ARK3116_RCV(serial, 151, 0xFE, 0xC0, 0x0000, 0x0004, 0x03, buf); ARK3116_SND(serial, 152, 0xFE, 0x40, 0x0000, 0x0003); -- cgit v1.2.3