1// SPDX-License-Identifier: GPL-2.0-only
2/* DVB USB framework compliant Linux driver for the Hauppauge WinTV-NOVA-T usb2
3 * DVB-T receiver.
4 *
5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
6 *
7 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
8 */
9#include "dibusb.h"
10
11static int debug;
12module_param(debug, int, 0644);
13MODULE_PARM_DESC(debug, "set debugging level (1=rc,2=eeprom (|-able))." DVB_USB_DEBUG_STATUS);
14
15DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
16
17#define deb_rc(args...) dprintk(debug,0x01,args)
18#define deb_ee(args...) dprintk(debug,0x02,args)
19
20/* Hauppauge NOVA-T USB2 keys */
21static struct rc_map_table rc_map_haupp_table[] = {
22 { 0x1e00, KEY_0 },
23 { 0x1e01, KEY_1 },
24 { 0x1e02, KEY_2 },
25 { 0x1e03, KEY_3 },
26 { 0x1e04, KEY_4 },
27 { 0x1e05, KEY_5 },
28 { 0x1e06, KEY_6 },
29 { 0x1e07, KEY_7 },
30 { 0x1e08, KEY_8 },
31 { 0x1e09, KEY_9 },
32 { 0x1e0a, KEY_KPASTERISK },
33 { 0x1e0b, KEY_RED },
34 { 0x1e0c, KEY_RADIO },
35 { 0x1e0d, KEY_MENU },
36 { 0x1e0e, KEY_GRAVE }, /* # */
37 { 0x1e0f, KEY_MUTE },
38 { 0x1e10, KEY_VOLUMEUP },
39 { 0x1e11, KEY_VOLUMEDOWN },
40 { 0x1e12, KEY_CHANNEL },
41 { 0x1e14, KEY_UP },
42 { 0x1e15, KEY_DOWN },
43 { 0x1e16, KEY_LEFT },
44 { 0x1e17, KEY_RIGHT },
45 { 0x1e18, KEY_VIDEO },
46 { 0x1e19, KEY_AUDIO },
47 { 0x1e1a, KEY_IMAGES },
48 { 0x1e1b, KEY_EPG },
49 { 0x1e1c, KEY_TV },
50 { 0x1e1e, KEY_NEXT },
51 { 0x1e1f, KEY_BACK },
52 { 0x1e20, KEY_CHANNELUP },
53 { 0x1e21, KEY_CHANNELDOWN },
54 { 0x1e24, KEY_LAST }, /* Skip backwards */
55 { 0x1e25, KEY_OK },
56 { 0x1e29, KEY_BLUE},
57 { 0x1e2e, KEY_GREEN },
58 { 0x1e30, KEY_PAUSE },
59 { 0x1e32, KEY_REWIND },
60 { 0x1e34, KEY_FASTFORWARD },
61 { 0x1e35, KEY_PLAY },
62 { 0x1e36, KEY_STOP },
63 { 0x1e37, KEY_RECORD },
64 { 0x1e38, KEY_YELLOW },
65 { 0x1e3b, KEY_GOTO },
66 { 0x1e3d, KEY_POWER },
67};
68
69/* Firmware bug? sometimes, when a new key is pressed, the previous pressed key
70 * is delivered. No workaround yet, maybe a new firmware.
71 */
72static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
73{
74 u8 *buf, data, toggle, custom;
75 u16 raw;
76 int i, ret;
77 struct dibusb_device_state *st = d->priv;
78
79 buf = kmalloc(size: 5, GFP_KERNEL);
80 if (!buf)
81 return -ENOMEM;
82
83 buf[0] = DIBUSB_REQ_POLL_REMOTE;
84 buf[1] = 0x35;
85 ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);
86 if (ret < 0)
87 goto ret;
88
89 *state = REMOTE_NO_KEY_PRESSED;
90 switch (buf[0]) {
91 case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
92 raw = ((buf[1] << 8) | buf[2]) >> 3;
93 toggle = !!(raw & 0x800);
94 data = raw & 0x3f;
95 custom = (raw >> 6) & 0x1f;
96
97 deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",
98 buf[1], buf[2], buf[3], custom, data, toggle);
99
100 for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {
101 if (rc5_data(key: &rc_map_haupp_table[i]) == data &&
102 rc5_custom(key: &rc_map_haupp_table[i]) == custom) {
103
104 deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),
105 rc5_custom(&rc_map_haupp_table[i]));
106
107 *event = rc_map_haupp_table[i].keycode;
108 *state = REMOTE_KEY_PRESSED;
109 if (st->old_toggle == toggle) {
110 if (st->last_repeat_count++ < 2)
111 *state = REMOTE_NO_KEY_PRESSED;
112 } else {
113 st->last_repeat_count = 0;
114 st->old_toggle = toggle;
115 }
116 break;
117 }
118 }
119
120 break;
121 case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
122 default:
123 break;
124 }
125
126ret:
127 kfree(objp: buf);
128 return ret;
129}
130
131static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
132{
133 int i, ret;
134 u8 b;
135
136 mac[0] = 0x00;
137 mac[1] = 0x0d;
138 mac[2] = 0xfe;
139
140 /* this is a complete guess, but works for my box */
141 for (i = 136; i < 139; i++) {
142 ret = dibusb_read_eeprom_byte(d, i, &b);
143 if (ret)
144 return ret;
145
146 mac[5 - (i - 136)] = b;
147 }
148
149 return 0;
150}
151
152/* USB Driver stuff */
153static struct dvb_usb_device_properties nova_t_properties;
154
155static int nova_t_probe(struct usb_interface *intf,
156 const struct usb_device_id *id)
157{
158 return dvb_usb_device_init(intf, &nova_t_properties,
159 THIS_MODULE, NULL, adapter_nums: adapter_nr);
160}
161
162/* do not change the order of the ID table */
163enum {
164 HAUPPAUGE_WINTV_NOVA_T_USB2_COLD,
165 HAUPPAUGE_WINTV_NOVA_T_USB2_WARM,
166};
167
168static struct usb_device_id nova_t_table[] = {
169 DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_COLD),
170 DVB_USB_DEV(HAUPPAUGE, HAUPPAUGE_WINTV_NOVA_T_USB2_WARM),
171 { }
172};
173
174MODULE_DEVICE_TABLE(usb, nova_t_table);
175
176static struct dvb_usb_device_properties nova_t_properties = {
177 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
178
179 .usb_ctrl = CYPRESS_FX2,
180 .firmware = "dvb-usb-nova-t-usb2-02.fw",
181
182 .num_adapters = 1,
183 .adapter = {
184 {
185 .num_frontends = 1,
186 .fe = {{
187 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
188 .pid_filter_count = 32,
189
190 .streaming_ctrl = dibusb2_0_streaming_ctrl,
191 .pid_filter = dibusb_pid_filter,
192 .pid_filter_ctrl = dibusb_pid_filter_ctrl,
193 .frontend_attach = dibusb_dib3000mc_frontend_attach,
194 .tuner_attach = dibusb_dib3000mc_tuner_attach,
195
196 /* parameter for the MPEG2-data transfer */
197 .stream = {
198 .type = USB_BULK,
199 .count = 7,
200 .endpoint = 0x06,
201 .u = {
202 .bulk = {
203 .buffersize = 4096,
204 }
205 }
206 },
207 }},
208 .size_of_priv = sizeof(struct dibusb_state),
209 }
210 },
211 .size_of_priv = sizeof(struct dibusb_device_state),
212
213 .power_ctrl = dibusb2_0_power_ctrl,
214 .read_mac_address = nova_t_read_mac_address,
215
216 .rc.legacy = {
217 .rc_interval = 100,
218 .rc_map_table = rc_map_haupp_table,
219 .rc_map_size = ARRAY_SIZE(rc_map_haupp_table),
220 .rc_query = nova_t_rc_query,
221 },
222
223 .i2c_algo = &dibusb_i2c_algo,
224
225 .generic_bulk_ctrl_endpoint = 0x01,
226
227 .num_device_descs = 1,
228 .devices = {
229 { "Hauppauge WinTV-NOVA-T usb2",
230 { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_COLD], NULL },
231 { &nova_t_table[HAUPPAUGE_WINTV_NOVA_T_USB2_WARM], NULL },
232 },
233 { NULL },
234 }
235};
236
237static struct usb_driver nova_t_driver = {
238 .name = "dvb_usb_nova_t_usb2",
239 .probe = nova_t_probe,
240 .disconnect = dvb_usb_device_exit,
241 .id_table = nova_t_table,
242};
243
244module_usb_driver(nova_t_driver);
245
246MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
247MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
248MODULE_VERSION("1.0");
249MODULE_LICENSE("GPL");
250

source code of linux/drivers/media/usb/dvb-usb/nova-t-usb2.c