[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, 171 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/dtt200u.c b/drivers/media/dvb/dvb-usb/dtt200u.c
new file mode 100644
index 0000000..fb2b5a2
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dtt200u.c
@@ -0,0 +1,171 @@
+/* DVB USB library compliant 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
+ */
+#include "dtt200u.h"
+
+/* debug */
+int dvb_usb_dtt200u_debug;
+module_param_named(debug,dvb_usb_dtt200u_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB_DEBUG_STATUS);
+
+static int dtt200u_streaming_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	u8 b_streaming[2] = { SET_TS_CTRL, onoff };
+	u8 b_rst_pid = RESET_PID_FILTER;
+
+	dvb_usb_generic_write(d,b_streaming,2);
+
+	if (!onoff)
+		dvb_usb_generic_write(d,&b_rst_pid,1);
+	return 0;
+}
+
+static int dtt200u_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
+{
+	u8 b_pid[4];
+	pid = onoff ? pid : 0;
+
+	b_pid[0] = SET_PID_FILTER;
+	b_pid[1] = index;
+	b_pid[2] = pid & 0xff;
+	b_pid[3] = (pid >> 8) & 0xff;
+
+	return dvb_usb_generic_write(d,b_pid,4);
+}
+
+/* remote control */
+/* key list for the tiny remote control (Yakumo, don't know about the others) */
+static struct dvb_usb_rc_key dtt200u_rc_keys[] = {
+	{ 0x80, 0x01, KEY_MUTE },
+	{ 0x80, 0x02, KEY_CHANNELDOWN },
+	{ 0x80, 0x03, KEY_VOLUMEDOWN },
+	{ 0x80, 0x04, KEY_1 },
+	{ 0x80, 0x05, KEY_2 },
+	{ 0x80, 0x06, KEY_3 },
+	{ 0x80, 0x07, KEY_4 },
+	{ 0x80, 0x08, KEY_5 },
+	{ 0x80, 0x09, KEY_6 },
+	{ 0x80, 0x0a, KEY_7 },
+	{ 0x00, 0x0c, KEY_ZOOM },
+	{ 0x80, 0x0d, KEY_0 },
+	{ 0x00, 0x0e, KEY_SELECT },
+	{ 0x80, 0x12, KEY_POWER },
+	{ 0x80, 0x1a, KEY_CHANNELUP },
+	{ 0x80, 0x1b, KEY_8 },
+	{ 0x80, 0x1e, KEY_VOLUMEUP },
+	{ 0x80, 0x1f, KEY_9 },
+};
+
+static int dtt200u_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	u8 key[5],cmd = GET_RC_KEY;
+	dvb_usb_generic_rw(d,&cmd,1,key,5,0);
+	dvb_usb_nec_rc_key_to_event(d,key,event,state);
+	if (key[0] != 0)
+		deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+	return 0;
+}
+
+static int dtt200u_frontend_attach(struct dvb_usb_device *d)
+{
+	d->fe = dtt200u_fe_attach(d);
+	return 0;
+}
+
+static struct dvb_usb_properties dtt200u_properties;
+
+static int dtt200u_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	return dvb_usb_device_init(intf,&dtt200u_properties,THIS_MODULE);
+}
+
+static struct usb_device_id dtt200u_usb_table [] = {
+	    { USB_DEVICE(USB_VID_AVERMEDIA_UNK, USB_PID_DTT200U_COLD) },
+	    { USB_DEVICE(USB_VID_AVERMEDIA_UNK, USB_PID_DTT200U_WARM) },
+	    { 0 },
+};
+MODULE_DEVICE_TABLE(usb, dtt200u_usb_table);
+
+static struct dvb_usb_properties dtt200u_properties = {
+	.caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING,
+	.pid_filter_count = 255, /* It is a guess, but there are at least 10 */
+
+	.usb_ctrl = CYPRESS_FX2,
+	.firmware = "dvb-usb-dtt200u-01.fw",
+
+	.streaming_ctrl  = dtt200u_streaming_ctrl,
+	.pid_filter      = dtt200u_pid_filter,
+	.frontend_attach = dtt200u_frontend_attach,
+
+	.rc_interval     = 200,
+	.rc_key_map      = dtt200u_rc_keys,
+	.rc_key_map_size = ARRAY_SIZE(dtt200u_rc_keys),
+	.rc_query        = dtt200u_rc_query,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	/* parameter for the MPEG2-data transfer */
+	.urb = {
+		.type = DVB_USB_BULK,
+		.count = 7,
+		.endpoint = 0x02,
+		.u = {
+			.bulk = {
+				.buffersize = 4096,
+			}
+		}
+	},
+
+	.num_device_descs = 1,
+	.devices = {
+		{ .name = "Yakumo/Hama/Typhoon DVB-T USB2.0)",
+		  .cold_ids = { &dtt200u_usb_table[0], &dtt200u_usb_table[2] },
+		  .warm_ids = { &dtt200u_usb_table[1], NULL },
+		},
+		{ 0 },
+	}
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver dtt200u_usb_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "Yakumo/Hama/Typhoon DVB-T USB2.0",
+	.probe 		= dtt200u_usb_probe,
+	.disconnect = dvb_usb_device_exit,
+	.id_table 	= dtt200u_usb_table,
+};
+
+/* module stuff */
+static int __init dtt200u_usb_module_init(void)
+{
+	int result;
+	if ((result = usb_register(&dtt200u_usb_driver))) {
+		err("usb_register failed. (%d)",result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit dtt200u_usb_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&dtt200u_usb_driver);
+}
+
+module_init(dtt200u_usb_module_init);
+module_exit(dtt200u_usb_module_exit);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
+MODULE_DESCRIPTION("Driver for the Yakumo/Hama/Typhoon DVB-T USB2.0 device");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");