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 
14 static int debug;
15 module_param(debug, int, 0644);
16 MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);
17 
18 DVB_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 */
24 static 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  */
nova_t_rc_query(struct dvb_usb_device * d,u32 * event,int * state)75 static 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 
nova_t_read_mac_address(struct dvb_usb_device * d,u8 mac[6])123 static 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 */
143 static struct dvb_usb_device_properties nova_t_properties;
144 
nova_t_probe(struct usb_interface * intf,const struct usb_device_id * id)145 static 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 */
153 static 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 };
158 MODULE_DEVICE_TABLE(usb, nova_t_table);
159 
160 static 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 
221 static 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 
228 module_usb_driver(nova_t_driver);
229 
230 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
231 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
232 MODULE_VERSION("1.0");
233 MODULE_LICENSE("GPL");
234