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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@posteo.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 *buf, data, toggle, custom;
 78         u16 raw;
 79         int i, ret;
 80         struct dibusb_device_state *st = d->priv;
 81 
 82         buf = kmalloc(5, GFP_KERNEL);
 83         if (!buf)
 84                 return -ENOMEM;
 85 
 86         buf[0] = DIBUSB_REQ_POLL_REMOTE;
 87         buf[1] = 0x35;
 88         ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0);
 89         if (ret < 0)
 90                 goto ret;
 91 
 92         *state = REMOTE_NO_KEY_PRESSED;
 93         switch (buf[0]) {
 94                 case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED:
 95                         raw = ((buf[1] << 8) | buf[2]) >> 3;
 96                         toggle = !!(raw & 0x800);
 97                         data = raw & 0x3f;
 98                         custom = (raw >> 6) & 0x1f;
 99 
100                         deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",
101                                buf[1], buf[2], buf[3], custom, data, toggle);
102 
103                         for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) {
104                                 if (rc5_data(&rc_map_haupp_table[i]) == data &&
105                                         rc5_custom(&rc_map_haupp_table[i]) == custom) {
106 
107                                         deb_rc("c: %x, d: %x\n", rc5_data(&rc_map_haupp_table[i]),
108                                                                  rc5_custom(&rc_map_haupp_table[i]));
109 
110                                         *event = rc_map_haupp_table[i].keycode;
111                                         *state = REMOTE_KEY_PRESSED;
112                                         if (st->old_toggle == toggle) {
113                                                 if (st->last_repeat_count++ < 2)
114                                                         *state = REMOTE_NO_KEY_PRESSED;
115                                         } else {
116                                                 st->last_repeat_count = 0;
117                                                 st->old_toggle = toggle;
118                                         }
119                                         break;
120                                 }
121                         }
122 
123                         break;
124                 case DIBUSB_RC_HAUPPAUGE_KEY_EMPTY:
125                 default:
126                         break;
127         }
128 
129 ret:
130         kfree(buf);
131         return ret;
132 }
133 
134 static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6])
135 {
136         int i;
137         u8 b;
138 
139         mac[0] = 0x00;
140         mac[1] = 0x0d;
141         mac[2] = 0xfe;
142 
143         /* this is a complete guess, but works for my box */
144         for (i = 136; i < 139; i++) {
145                 dibusb_read_eeprom_byte(d,i, &b);
146 
147                 mac[5 - (i - 136)] = b;
148         }
149 
150         return 0;
151 }
152 
153 /* USB Driver stuff */
154 static struct dvb_usb_device_properties nova_t_properties;
155 
156 static int nova_t_probe(struct usb_interface *intf,
157                 const struct usb_device_id *id)
158 {
159         return dvb_usb_device_init(intf, &nova_t_properties,
160                                    THIS_MODULE, NULL, adapter_nr);
161 }
162 
163 /* do not change the order of the ID table */
164 static struct usb_device_id nova_t_table [] = {
165 /* 00 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_COLD) },
166 /* 01 */        { USB_DEVICE(USB_VID_HAUPPAUGE,     USB_PID_WINTV_NOVA_T_USB2_WARM) },
167                         { }             /* Terminating entry */
168 };
169 MODULE_DEVICE_TABLE(usb, nova_t_table);
170 
171 static struct dvb_usb_device_properties nova_t_properties = {
172         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
173 
174         .usb_ctrl = CYPRESS_FX2,
175         .firmware = "dvb-usb-nova-t-usb2-02.fw",
176 
177         .num_adapters     = 1,
178         .adapter          = {
179                 {
180                 .num_frontends = 1,
181                 .fe = {{
182                         .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
183                         .pid_filter_count = 32,
184 
185                         .streaming_ctrl   = dibusb2_0_streaming_ctrl,
186                         .pid_filter       = dibusb_pid_filter,
187                         .pid_filter_ctrl  = dibusb_pid_filter_ctrl,
188                         .frontend_attach  = dibusb_dib3000mc_frontend_attach,
189                         .tuner_attach     = dibusb_dib3000mc_tuner_attach,
190 
191                         /* parameter for the MPEG2-data transfer */
192                                         .stream = {
193                                                 .type = USB_BULK,
194                                 .count = 7,
195                                 .endpoint = 0x06,
196                                 .u = {
197                                         .bulk = {
198                                                 .buffersize = 4096,
199                                         }
200                                 }
201                         },
202                 }},
203                         .size_of_priv     = sizeof(struct dibusb_state),
204                 }
205         },
206         .size_of_priv     = sizeof(struct dibusb_device_state),
207 
208         .power_ctrl       = dibusb2_0_power_ctrl,
209         .read_mac_address = nova_t_read_mac_address,
210 
211         .rc.legacy = {
212                 .rc_interval      = 100,
213                 .rc_map_table     = rc_map_haupp_table,
214                 .rc_map_size      = ARRAY_SIZE(rc_map_haupp_table),
215                 .rc_query         = nova_t_rc_query,
216         },
217 
218         .i2c_algo         = &dibusb_i2c_algo,
219 
220         .generic_bulk_ctrl_endpoint = 0x01,
221 
222         .num_device_descs = 1,
223         .devices = {
224                 {   "Hauppauge WinTV-NOVA-T usb2",
225                         { &nova_t_table[0], NULL },
226                         { &nova_t_table[1], NULL },
227                 },
228                 { NULL },
229         }
230 };
231 
232 static struct usb_driver nova_t_driver = {
233         .name           = "dvb_usb_nova_t_usb2",
234         .probe          = nova_t_probe,
235         .disconnect = dvb_usb_device_exit,
236         .id_table       = nova_t_table,
237 };
238 
239 module_usb_driver(nova_t_driver);
240 
241 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
242 MODULE_DESCRIPTION("Hauppauge WinTV-NOVA-T usb2");
243 MODULE_VERSION("1.0");
244 MODULE_LICENSE("GPL");
245 

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