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
18DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
19
20#define deb_rc(args...) dprintk(debug,0x01,args)
21#define deb_ee(args...) dprintk(debug,0x02,args)
22
23/* Hauppauge NOVA-T USB2 keys */
24static struct rc_map_table rc_map_haupp_table[] = {
25	{ 0x1e00, KEY_0 },
26	{ 0x1e01, KEY_1 },
27	{ 0x1e02, KEY_2 },
28	{ 0x1e03, KEY_3 },
29	{ 0x1e04, KEY_4 },
30	{ 0x1e05, KEY_5 },
31	{ 0x1e06, KEY_6 },
32	{ 0x1e07, KEY_7 },
33	{ 0x1e08, KEY_8 },
34	{ 0x1e09, KEY_9 },
35	{ 0x1e0a, KEY_KPASTERISK },
36	{ 0x1e0b, KEY_RED },
37	{ 0x1e0c, KEY_RADIO },
38	{ 0x1e0d, KEY_MENU },
39	{ 0x1e0e, KEY_GRAVE }, /* # */
40	{ 0x1e0f, KEY_MUTE },
41	{ 0x1e10, KEY_VOLUMEUP },
42	{ 0x1e11, KEY_VOLUMEDOWN },
43	{ 0x1e12, KEY_CHANNEL },
44	{ 0x1e14, KEY_UP },
45	{ 0x1e15, KEY_DOWN },
46	{ 0x1e16, KEY_LEFT },
47	{ 0x1e17, KEY_RIGHT },
48	{ 0x1e18, KEY_VIDEO },
49	{ 0x1e19, KEY_AUDIO },
50	{ 0x1e1a, KEY_IMAGES },
51	{ 0x1e1b, KEY_EPG },
52	{ 0x1e1c, KEY_TV },
53	{ 0x1e1e, KEY_NEXT },
54	{ 0x1e1f, KEY_BACK },
55	{ 0x1e20, KEY_CHANNELUP },
56	{ 0x1e21, KEY_CHANNELDOWN },
57	{ 0x1e24, KEY_LAST }, /* Skip backwards */
58	{ 0x1e25, KEY_OK },
59	{ 0x1e29, KEY_BLUE},
60	{ 0x1e2e, KEY_GREEN },
61	{ 0x1e30, KEY_PAUSE },
62	{ 0x1e32, KEY_REWIND },
63	{ 0x1e34, KEY_FASTFORWARD },
64	{ 0x1e35, KEY_PLAY },
65	{ 0x1e36, KEY_STOP },
66	{ 0x1e37, KEY_RECORD },
67	{ 0x1e38, KEY_YELLOW },
68	{ 0x1e3b, KEY_GOTO },
69	{ 0x1e3d, KEY_POWER },
70};
71
72/* Firmware bug? sometimes, when a new key is pressed, the previous pressed key
73 * is delivered. No workaround yet, maybe a new firmware.
74 */
75static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
76{
77	u8 key[5],cmd[2] = { DIBUSB_REQ_POLL_REMOTE, 0x35 }, data,toggle,custom;
78	u16 raw;
79	int i;
80	struct dibusb_device_state *st = d->priv;
81
82	dvb_usb_generic_rw(d,cmd,2,key,5,0);
83
84	*state = REMOTE_NO_KEY_PRESSED;
85	switch (key[0]) {
86		case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
87			raw = ((key[1] << 8) | key[2]) >> 3;
88			toggle = !!(raw & 0x800);
89			data = raw & 0x3f;
90			custom = (raw >> 6) & 0x1f;
91
92			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);
93
94			for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {
95				if (rc5_data(&rc_map_haupp_table[i]) == data &&
96					rc5_custom(&rc_map_haupp_table[i]) == custom) {
97
98					deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),
99								 rc5_custom(&rc_map_haupp_table[i]));
100
101					*event = rc_map_haupp_table[i].keycode;
102					*state = REMOTE_KEY_PRESSED;
103					if (st->old_toggle == toggle) {
104						if (st->last_repeat_count++ < 2)
105							*state = REMOTE_NO_KEY_PRESSED;
106					} else {
107						st->last_repeat_count = 0;
108						st->old_toggle = toggle;
109					}
110					break;
111				}
112			}
113
114			break;
115		case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
116		default:
117			break;
118	}
119
120	return 0;
121}
122
123static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
124{
125	int i;
126	u8 b;
127
128	mac[0] = 0x00;
129	mac[1] = 0x0d;
130	mac[2] = 0xfe;
131
132	/* this is a complete guess, but works for my box */
133	for (i = 136; i < 139; i++) {
134		dibusb_read_eeprom_byte(d,i, &b);
135
136		mac[5 - (i - 136)] = b;
137	}
138
139	return 0;
140}
141
142/* USB Driver stuff */
143static struct dvb_usb_device_properties nova_t_properties;
144
145static int nova_t_probe(struct usb_interface *intf,
146		const struct usb_device_id *id)
147{
148	return dvb_usb_device_init(intf, &nova_t_properties,
149				   THIS_MODULE, NULL, adapter_nr);
150}
151
152/* do not change the order of the ID table */
153static struct usb_device_id nova_t_table [] = {
154/* 00 */	{ USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
155/* 01 */	{ USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
156			{ }		/* Terminating entry */
157};
158MODULE_DEVICE_TABLE(usb, nova_t_table);
159
160static struct dvb_usb_device_properties nova_t_properties = {
161	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
162
163	.usb_ctrl = CYPRESS_FX2,
164	.firmware = "dvb-usb-nova-t-usb2-02.fw",
165
166	.num_adapters     = 1,
167	.adapter          = {
168		{
169		.num_frontends = 1,
170		.fe = {{
171			.caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
172			.pid_filter_count = 32,
173
174			.streaming_ctrl   = dibusb2_0_streaming_ctrl,
175			.pid_filter       = dibusb_pid_filter,
176			.pid_filter_ctrl  = dibusb_pid_filter_ctrl,
177			.frontend_attach  = dibusb_dib3000mc_frontend_attach,
178			.tuner_attach     = dibusb_dib3000mc_tuner_attach,
179
180			/* parameter for the MPEG2-data transfer */
181					.stream = {
182						.type = USB_BULK,
183				.count = 7,
184				.endpoint = 0x06,
185				.u = {
186					.bulk = {
187						.buffersize = 4096,
188					}
189				}
190			},
191		}},
192			.size_of_priv     = sizeof(struct dibusb_state),
193		}
194	},
195	.size_of_priv     = sizeof(struct dibusb_device_state),
196
197	.power_ctrl       = dibusb2_0_power_ctrl,
198	.read_mac_address = nova_t_read_mac_address,
199
200	.rc.legacy = {
201		.rc_interval      = 100,
202		.rc_map_table     = rc_map_haupp_table,
203		.rc_map_size      = ARRAY_SIZE(rc_map_haupp_table),
204		.rc_query         = nova_t_rc_query,
205	},
206
207	.i2c_algo         = &dibusb_i2c_algo,
208
209	.generic_bulk_ctrl_endpoint = 0x01,
210
211	.num_device_descs = 1,
212	.devices = {
213		{   "Hauppauge WinTV-NOVA-T usb2",
214			{ &nova_t_table[0], NULL },
215			{ &nova_t_table[1], NULL },
216		},
217		{ NULL },
218	}
219};
220
221static struct usb_driver nova_t_driver = {
222	.name		= "dvb_usb_nova_t_usb2",
223	.probe		= nova_t_probe,
224	.disconnect = dvb_usb_device_exit,
225	.id_table	= nova_t_table,
226};
227
228module_usb_driver(nova_t_driver);
229
230MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
231MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
232MODULE_VERSION("1.0");
233MODULE_LICENSE("GPL");
234