1/* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2
2 * DVB-T receiver.
3 *
4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
5 *
6 *	This program is free software; you can redistribute it and/or modify it
7 *	under the terms of the GNU General Public License as published by the Free
8 *	Software Foundation, version 2.
9 *
10 * see Documentation/dvb/README.dvb-usb for more information
11 */
12#include "dibusb.h"
13
14static int debug;
15module_param(debug, int, 0644);
16MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);
17
18#define deb_rc(args...) dprintk(debug,0x01,args)
19#define deb_ee(args...) dprintk(debug,0x02,args)
20
21/* Hauppauge NOVA-T USB2 keys */
22static struct dvb_usb_rc_key haupp_rc_keys [] = {
23	{ 0x1e, 0x00, KEY_0 },
24	{ 0x1e, 0x01, KEY_1 },
25	{ 0x1e, 0x02, KEY_2 },
26	{ 0x1e, 0x03, KEY_3 },
27	{ 0x1e, 0x04, KEY_4 },
28	{ 0x1e, 0x05, KEY_5 },
29	{ 0x1e, 0x06, KEY_6 },
30	{ 0x1e, 0x07, KEY_7 },
31	{ 0x1e, 0x08, KEY_8 },
32	{ 0x1e, 0x09, KEY_9 },
33	{ 0x1e, 0x0a, KEY_KPASTERISK },
34	{ 0x1e, 0x0b, KEY_RED },
35	{ 0x1e, 0x0c, KEY_RADIO },
36	{ 0x1e, 0x0d, KEY_MENU },
37	{ 0x1e, 0x0e, KEY_GRAVE }, /* # */
38	{ 0x1e, 0x0f, KEY_MUTE },
39	{ 0x1e, 0x10, KEY_VOLUMEUP },
40	{ 0x1e, 0x11, KEY_VOLUMEDOWN },
41	{ 0x1e, 0x12, KEY_CHANNEL },
42	{ 0x1e, 0x14, KEY_UP },
43	{ 0x1e, 0x15, KEY_DOWN },
44	{ 0x1e, 0x16, KEY_LEFT },
45	{ 0x1e, 0x17, KEY_RIGHT },
46	{ 0x1e, 0x18, KEY_VIDEO },
47	{ 0x1e, 0x19, KEY_AUDIO },
48	{ 0x1e, 0x1a, KEY_MEDIA },
49	{ 0x1e, 0x1b, KEY_EPG },
50	{ 0x1e, 0x1c, KEY_TV },
51	{ 0x1e, 0x1e, KEY_NEXT },
52	{ 0x1e, 0x1f, KEY_BACK },
53	{ 0x1e, 0x20, KEY_CHANNELUP },
54	{ 0x1e, 0x21, KEY_CHANNELDOWN },
55	{ 0x1e, 0x24, KEY_LAST }, /* Skip backwards */
56	{ 0x1e, 0x25, KEY_OK },
57	{ 0x1e, 0x29, KEY_BLUE},
58	{ 0x1e, 0x2e, KEY_GREEN },
59	{ 0x1e, 0x30, KEY_PAUSE },
60	{ 0x1e, 0x32, KEY_REWIND },
61	{ 0x1e, 0x34, KEY_FASTFORWARD },
62	{ 0x1e, 0x35, KEY_PLAY },
63	{ 0x1e, 0x36, KEY_STOP },
64	{ 0x1e, 0x37, KEY_RECORD },
65	{ 0x1e, 0x38, KEY_YELLOW },
66	{ 0x1e, 0x3b, KEY_GOTO },
67	{ 0x1e, 0x3d, KEY_POWER },
68};
69
70static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
71{
72	u8 key[5],cmd[2] = { DIBUSB_REQ_POLL_REMOTE, 0x35 }, data,toggle,custom;
73	u16 raw;
74	int i;
75	struct dibusb_device_state *st = d->priv;
76
77	dvb_usb_generic_rw(d,cmd,2,key,5,0);
78
79	*state = REMOTE_NO_KEY_PRESSED;
80	switch (key[0]) {
81		case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
82			raw = ((key[1] << 8) | key[2]) >> 3;
83			toggle = !!(raw & 0x800);
84			data = raw & 0x3f;
85			custom = (raw >> 6) & 0x1f;
86
87			deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",key[1],key[2],key[3],custom,data,toggle);
88
89			for (i = 0; i < ARRAY_SIZE(haupp_rc_keys); i++) {
90				if (haupp_rc_keys[i].data == data &&
91					haupp_rc_keys[i].custom == custom) {
92
93					deb_rc("c: %x, d: %x\n",haupp_rc_keys[i].data,haupp_rc_keys[i].custom);
94
95					*event = haupp_rc_keys[i].event;
96					*state = REMOTE_KEY_PRESSED;
97					if (st->old_toggle == toggle) {
98						if (st->last_repeat_count++ < 2)
99							*state = REMOTE_NO_KEY_PRESSED;
100					} else {
101						st->last_repeat_count = 0;
102						st->old_toggle = toggle;
103					}
104					break;
105				}
106			}
107
108			break;
109		case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
110		default:
111			break;
112	}
113
114	return 0;
115}
116
117static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
118{
119	int i;
120	u8 b;
121
122	mac[0] = 0x00;
123	mac[1] = 0x0d;
124	mac[2] = 0xfe;
125
126	/* this is a complete guess, but works for my box */
127	for (i = 136; i < 139; i++) {
128		dibusb_read_eeprom_byte(d,i, &b);
129
130		mac[5 - (i - 136)] = b;
131	}
132
133	return 0;
134}
135
136/* USB Driver stuff */
137static struct dvb_usb_device_properties nova_t_properties;
138
139static int nova_t_probe(struct usb_interface *intf,
140		const struct usb_device_id *id)
141{
142	return dvb_usb_device_init(intf,&nova_t_properties,THIS_MODULE,NULL);
143}
144
145/* do not change the order of the ID table */
146static struct usb_device_id nova_t_table [] = {
147/* 00 */	{ USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
148/* 01 */	{ USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
149			{ }		/* Terminating entry */
150};
151MODULE_DEVICE_TABLE(usb, nova_t_table);
152
153static struct dvb_usb_device_properties nova_t_properties = {
154	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
155
156	.usb_ctrl = CYPRESS_FX2,
157	.firmware = "dvb-usb-nova-t-usb2-02.fw",
158
159	.num_adapters     = 1,
160	.adapter          = {
161		{
162			.caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
163			.pid_filter_count = 32,
164
165			.streaming_ctrl   = dibusb2_0_streaming_ctrl,
166			.pid_filter       = dibusb_pid_filter,
167			.pid_filter_ctrl  = dibusb_pid_filter_ctrl,
168			.frontend_attach  = dibusb_dib3000mc_frontend_attach,
169			.tuner_attach     = dibusb_dib3000mc_tuner_attach,
170
171			/* parameter for the MPEG2-data transfer */
172					.stream = {
173						.type = USB_BULK,
174				.count = 7,
175				.endpoint = 0x06,
176				.u = {
177					.bulk = {
178						.buffersize = 4096,
179					}
180				}
181			},
182
183			.size_of_priv     = sizeof(struct dibusb_state),
184		}
185	},
186	.size_of_priv     = sizeof(struct dibusb_device_state),
187
188	.power_ctrl       = dibusb2_0_power_ctrl,
189	.read_mac_address = nova_t_read_mac_address,
190
191	.rc_interval      = 100,
192	.rc_key_map       = haupp_rc_keys,
193	.rc_key_map_size  = ARRAY_SIZE(haupp_rc_keys),
194	.rc_query         = nova_t_rc_query,
195
196	.i2c_algo         = &dibusb_i2c_algo,
197
198	.generic_bulk_ctrl_endpoint = 0x01,
199
200	.num_device_descs = 1,
201	.devices = {
202		{   "Hauppauge WinTV-NOVA-T usb2",
203			{ &nova_t_table[0], NULL },
204			{ &nova_t_table[1], NULL },
205		},
206		{ NULL },
207	}
208};
209
210static struct usb_driver nova_t_driver = {
211	.name		= "dvb_usb_nova_t_usb2",
212	.probe		= nova_t_probe,
213	.disconnect = dvb_usb_device_exit,
214	.id_table	= nova_t_table,
215};
216
217/* module stuff */
218static int __init nova_t_module_init(void)
219{
220	int result;
221	if ((result = usb_register(&nova_t_driver))) {
222		err("usb_register failed. Error number %d",result);
223		return result;
224	}
225
226	return 0;
227}
228
229static void __exit nova_t_module_exit(void)
230{
231	/* deregister this driver from the USB subsystem */
232	usb_deregister(&nova_t_driver);
233}
234
235module_init (nova_t_module_init);
236module_exit (nova_t_module_exit);
237
238MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
239MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
240MODULE_VERSION("1.0");
241MODULE_LICENSE("GPL");
242