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Linux/drivers/media/usb/dvb-usb/nova-t-usb2.c

  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  */
 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 
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 
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 

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