V4L/DVB (9107): Alternative version of Terratec Cinergy T2 driver

Alternative version of the Terratec Cinergy T2 driver that uses the dvb framework.

Signed-off-by: Tomi Orava <tomimo@ncircle.nullnet.fi>
Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
[mchehab@redhat.com: fix dvb Makefile]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 230 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-core.c b/drivers/media/dvb/dvb-usb/cinergyT2-core.c
new file mode 100644
index 0000000..2586303
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/cinergyT2-core.c
@@ -0,0 +1,230 @@
+/*
+ * TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
+ *
+ * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
+ *
+ * Based on the dvb-usb-framework code and the
+ * original Terratec Cinergy T2 driver by:
+ *
+ * Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
+ *		    Holger Waechtler <holger@qanu.de>
+ *
+ *  Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "cinergyT2.h"
+
+
+/* debug */
+int dvb_usb_cinergyt2_debug;
+int disable_remote;
+
+module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 "
+		"(or-able)).");
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+
+/* We are missing a release hook with usb_device data */
+struct dvb_usb_device *cinergyt2_usb_device;
+
+static struct dvb_usb_device_properties cinergyt2_properties;
+
+static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
+{
+	char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 };
+	char result[64];
+	return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result,
+				sizeof(result), 0);
+}
+
+static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable)
+{
+	char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 };
+	char state[3];
+	return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0);
+}
+
+static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
+	char state[3];
+	int ret;
+
+	adap->fe = cinergyt2_fe_attach(adap->dev);
+
+	ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
+				sizeof(state), 0);
+	if (ret < 0) {
+		deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
+			"state info\n");
+	}
+
+	/* Copy this pointer as we are gonna need it in the release phase */
+	cinergyt2_usb_device = adap->dev;
+
+	return 0;
+}
+
+static struct dvb_usb_rc_key cinergyt2_rc_keys[] = {
+	{ 0x04,	0x01,	KEY_POWER },
+	{ 0x04,	0x02,	KEY_1 },
+	{ 0x04,	0x03,	KEY_2 },
+	{ 0x04,	0x04,	KEY_3 },
+	{ 0x04,	0x05,	KEY_4 },
+	{ 0x04,	0x06,	KEY_5 },
+	{ 0x04,	0x07,	KEY_6 },
+	{ 0x04,	0x08,	KEY_7 },
+	{ 0x04,	0x09,	KEY_8 },
+	{ 0x04,	0x0a,	KEY_9 },
+	{ 0x04,	0x0c,	KEY_0 },
+	{ 0x04,	0x0b,	KEY_VIDEO },
+	{ 0x04,	0x0d,	KEY_REFRESH },
+	{ 0x04,	0x0e,	KEY_SELECT },
+	{ 0x04,	0x0f,	KEY_EPG },
+	{ 0x04,	0x10,	KEY_UP },
+	{ 0x04,	0x14,	KEY_DOWN },
+	{ 0x04,	0x11,	KEY_LEFT },
+	{ 0x04,	0x13,	KEY_RIGHT },
+	{ 0x04,	0x12,	KEY_OK },
+	{ 0x04,	0x15,	KEY_TEXT },
+	{ 0x04,	0x16,	KEY_INFO },
+	{ 0x04,	0x17,	KEY_RED },
+	{ 0x04,	0x18,	KEY_GREEN },
+	{ 0x04,	0x19,	KEY_YELLOW },
+	{ 0x04,	0x1a,	KEY_BLUE },
+	{ 0x04,	0x1c,	KEY_VOLUMEUP },
+	{ 0x04,	0x1e,	KEY_VOLUMEDOWN },
+	{ 0x04,	0x1d,	KEY_MUTE },
+	{ 0x04,	0x1b,	KEY_CHANNELUP },
+	{ 0x04,	0x1f,	KEY_CHANNELDOWN },
+	{ 0x04,	0x40,	KEY_PAUSE },
+	{ 0x04,	0x4c,	KEY_PLAY },
+	{ 0x04,	0x58,	KEY_RECORD },
+	{ 0x04,	0x54,	KEY_PREVIOUS },
+	{ 0x04,	0x48,	KEY_STOP },
+	{ 0x04,	0x5c,	KEY_NEXT }
+};
+
+static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
+	*state = REMOTE_NO_KEY_PRESSED;
+
+	dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
+	if (key[4] == 0xff)
+		return 0;
+
+	/* hack to pass checksum on the custom field (is set to 0xeb) */
+	key[2] = ~0x04;
+	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 cinergyt2_usb_probe(struct usb_interface *intf,
+				const struct usb_device_id *id)
+{
+	return dvb_usb_device_init(intf, &cinergyt2_properties,
+					THIS_MODULE, NULL, adapter_nr);
+}
+
+
+static struct usb_device_id cinergyt2_usb_table[] = {
+	{ USB_DEVICE(USB_VID_TERRATEC, 0x0038) },
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table);
+
+static struct dvb_usb_device_properties cinergyt2_properties = {
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.streaming_ctrl   = cinergyt2_streaming_ctrl,
+			.frontend_attach  = cinergyt2_frontend_attach,
+
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 5,
+				.endpoint = 0x02,
+				.u = {
+					.bulk = {
+						.buffersize = 512,
+					}
+				}
+			},
+		}
+	},
+
+	.power_ctrl       = cinergyt2_power_ctrl,
+
+	.rc_interval      = 50,
+	.rc_key_map       = cinergyt2_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(cinergyt2_rc_keys),
+	.rc_query         = cinergyt2_rc_query,
+
+	.generic_bulk_ctrl_endpoint = 1,
+
+	.num_device_descs = 1,
+	.devices = {
+		{ .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver",
+		  .cold_ids = {NULL},
+		  .warm_ids = { &cinergyt2_usb_table[0], NULL },
+		},
+		{ NULL },
+	}
+};
+
+
+static struct usb_driver cinergyt2_driver = {
+	.name		= "cinergyT2",
+	.probe		= cinergyt2_usb_probe,
+	.disconnect	= dvb_usb_device_exit,
+	.id_table	= cinergyt2_usb_table
+};
+
+static int __init cinergyt2_usb_init(void)
+{
+	int err;
+
+	err = usb_register(&cinergyt2_driver);
+	if (err) {
+		err("usb_register() failed! (err %i)\n", err);
+		return err;
+	}
+	return 0;
+}
+
+static void __exit cinergyt2_usb_exit(void)
+{
+	usb_deregister(&cinergyt2_driver);
+}
+
+module_init(cinergyt2_usb_init);
+module_exit(cinergyt2_usb_exit);
+
+MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Tomi Orava");