[PATCH] dvb: Add generalized dvb-usb driver

Add generalized dvb-usb driver which supports a wide variety of devices.

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/dtt200u.h b/drivers/media/dvb/dvb-usb/dtt200u.h
new file mode 100644
index 000000000000..ed4142071518
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dtt200u.h
@@ -0,0 +1,66 @@
+/* Common header file of Linux driver for the Yakumo/Hama/Typhoon DVB-T
+ * USB2.0 receiver.
+ *
+ * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
+ *
+ *      This program is free software; you can redistribute it and/or modify it
+ *      under the terms of the GNU General Public License as published by the Free
+ *      Software Foundation, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+#ifndef _DVB_USB_DTT200U_H_
+#define _DVB_USB_DTT200U_H_
+
+#define DVB_USB_LOG_PREFIX "dtt200u"
+#include "dvb-usb.h"
+
+extern int dvb_usb_dtt200u_debug;
+#define deb_info(args...) dprintk(dvb_usb_dtt200u_debug,0x01,args)
+#define deb_xfer(args...) dprintk(dvb_usb_dtt200u_debug,0x02,args)
+
+/* guessed protocol description (reverse engineered):
+ * read
+ *  00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
+ *  81 - <TS_LOCK> <current frequency divided by 250000>
+ *  82 - crash - do not touch
+ *  83 - crash - do not touch
+ *  84 - remote control
+ *  85 - crash - do not touch (OK, stop testing here)
+ *  88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
+ *  89 - noise-to-signal
+ *      8a - unkown 1 byte - signal_strength
+ *  8c - ber ???
+ *  8d - ber
+ *  8e - unc
+ */
+
+#define GET_SPEED        0x00
+#define GET_TUNE_STAT    0x81
+#define GET_RC_KEY       0x84
+#define GET_STATUS       0x88
+#define GET_SNR          0x89
+#define GET_SIG_STRENGTH 0x8a
+#define GET_UNK          0x8c
+#define GET_BER          0x8d
+#define GET_UNC          0x8e
+
+/* write
+ *  01 - reset the demod
+ *  02 - frequency (divided by 250000)
+ *  03 - bandwidth
+ *  04 - pid table (index pid(7:0) pid(12:8))
+ *  05 - reset the pid table
+ *  08 - demod transfer enabled or not (FX2 transfer is enabled by default)
+ */
+
+#define RESET_DEMOD      0x01
+#define SET_FREQUENCY    0x02
+#define SET_BANDWIDTH    0x03
+#define SET_PID_FILTER   0x04
+#define RESET_PID_FILTER 0x05
+#define SET_TS_CTRL      0x08
+
+extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
+
+#endif