1 /* Common methods for dibusb-based-receivers.
3 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation, version 2.
9 * see Documentation/dvb/README.dvb-usb for more information
14 /* Max transfer size done by I2C transfer functions */
15 #define MAX_XFER_SIZE 64
18 module_param(debug, int, 0644);
19 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
20 MODULE_LICENSE("GPL");
22 #define deb_info(args...) dprintk(debug,0x01,args)
24 /* common stuff used by the different dibusb modules */
25 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
27 if (adap->priv != NULL) {
28 struct dibusb_state *st = adap->priv;
29 if (st->ops.fifo_ctrl != NULL)
30 if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
31 err("error while controlling the fifo of the demod.");
37 EXPORT_SYMBOL(dibusb_streaming_ctrl);
39 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
41 if (adap->priv != NULL) {
42 struct dibusb_state *st = adap->priv;
43 if (st->ops.pid_ctrl != NULL)
44 st->ops.pid_ctrl(adap->fe_adap[0].fe,
49 EXPORT_SYMBOL(dibusb_pid_filter);
51 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
53 if (adap->priv != NULL) {
54 struct dibusb_state *st = adap->priv;
55 if (st->ops.pid_parse != NULL)
56 if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
57 err("could not handle pid_parser");
61 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
63 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
67 b[0] = DIBUSB_REQ_SET_IOCTL;
68 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
69 b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
70 ret = dvb_usb_generic_write(d,b,3);
74 EXPORT_SYMBOL(dibusb_power_ctrl);
76 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
81 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
85 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
87 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
91 b[0] = DIBUSB_REQ_SET_IOCTL;
92 b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
93 return dvb_usb_generic_write(adap->dev,b,3);
95 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
97 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
100 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
101 return dvb_usb_generic_write(d,b,3);
105 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
107 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
108 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
110 u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
112 int wo = (rbuf == NULL || rlen == 0),
113 len = 2 + wlen + (wo ? 0 : 2);
115 if (4 + wlen > sizeof(sndbuf)) {
116 warn("i2c wr: len=%d is too big!\n", wlen);
120 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
121 sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
123 memcpy(&sndbuf[2],wbuf,wlen);
126 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
127 sndbuf[wlen+3] = rlen & 0xff;
130 return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
134 * I2C master xfer function
136 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
138 struct dvb_usb_device *d = i2c_get_adapdata(adap);
141 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
144 for (i = 0; i < num; i++) {
145 /* write/read request */
146 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
147 && (msg[i+1].flags & I2C_M_RD)) {
148 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
149 msg[i+1].buf,msg[i+1].len) < 0)
152 } else if ((msg[i].flags & I2C_M_RD) == 0) {
153 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
155 } else if (msg[i].addr != 0x50) {
156 /* 0x50 is the address of the eeprom - we need to protect it
157 * from dibusb's bad i2c implementation: reads without
158 * writing the offset before are forbidden */
159 if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
164 mutex_unlock(&d->i2c_mutex);
168 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
173 struct i2c_algorithm dibusb_i2c_algo = {
174 .master_xfer = dibusb_i2c_xfer,
175 .functionality = dibusb_i2c_func,
177 EXPORT_SYMBOL(dibusb_i2c_algo);
179 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
181 u8 wbuf[1] = { offs };
182 return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
184 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
187 * common remote control stuff
189 struct rc_map_table rc_map_dibusb_table[] = {
190 /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
191 { 0x0016, KEY_POWER },
192 { 0x0010, KEY_MUTE },
203 { 0x0005, KEY_CHANNELUP },
204 { 0x0002, KEY_CHANNELDOWN },
205 { 0x001e, KEY_VOLUMEUP },
206 { 0x000a, KEY_VOLUMEDOWN },
207 { 0x0011, KEY_RECORD },
208 { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
209 { 0x0014, KEY_PLAY },
210 { 0x001a, KEY_STOP },
211 { 0x0040, KEY_REWIND },
212 { 0x0012, KEY_FASTFORWARD },
213 { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
214 { 0x004c, KEY_PAUSE },
215 { 0x004d, KEY_SCREEN }, /* Full screen mode. */
216 { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
217 /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
218 { 0x000c, KEY_CANCEL }, /* Cancel */
219 { 0x001c, KEY_EPG }, /* EPG */
220 { 0x0000, KEY_TAB }, /* Tab */
221 { 0x0048, KEY_INFO }, /* Preview */
222 { 0x0004, KEY_LIST }, /* RecordList */
223 { 0x000f, KEY_TEXT }, /* Teletext */
224 /* Key codes for the KWorld/ADSTech/JetWay remote. */
225 { 0x8612, KEY_POWER },
226 { 0x860f, KEY_SELECT }, /* source */
227 { 0x860c, KEY_UNKNOWN }, /* scan */
229 { 0x8610, KEY_MUTE },
240 { 0x8618, KEY_ZOOM },
241 { 0x861c, KEY_UNKNOWN }, /* preview */
242 { 0x8613, KEY_UNKNOWN }, /* snap */
243 { 0x8600, KEY_UNDO },
244 { 0x861d, KEY_RECORD },
245 { 0x860d, KEY_STOP },
246 { 0x860e, KEY_PAUSE },
247 { 0x8616, KEY_PLAY },
248 { 0x8611, KEY_BACK },
249 { 0x8619, KEY_FORWARD },
250 { 0x8614, KEY_UNKNOWN }, /* pip */
253 { 0x861e, KEY_DOWN },
254 { 0x861f, KEY_LEFT },
255 { 0x861b, KEY_RIGHT },
257 /* Key codes for the DiBcom MOD3000 remote. */
258 { 0x8000, KEY_MUTE },
259 { 0x8001, KEY_TEXT },
260 { 0x8002, KEY_HOME },
261 { 0x8003, KEY_POWER },
264 { 0x8005, KEY_GREEN },
265 { 0x8006, KEY_YELLOW },
266 { 0x8007, KEY_BLUE },
269 { 0x8009, KEY_AUDIO },
270 { 0x800a, KEY_IMAGES }, /* Pictures */
271 { 0x800b, KEY_VIDEO },
273 { 0x800c, KEY_BACK },
275 { 0x800e, KEY_RADIO },
278 { 0x8010, KEY_LEFT },
280 { 0x8012, KEY_RIGHT },
281 { 0x8013, KEY_UNKNOWN }, /* SAP */
284 { 0x8015, KEY_DOWN },
285 { 0x8016, KEY_MENU }, /* DVD Menu */
286 { 0x8017, KEY_LAST },
288 { 0x8018, KEY_RECORD },
289 { 0x8019, KEY_STOP },
290 { 0x801a, KEY_PAUSE },
291 { 0x801b, KEY_PLAY },
293 { 0x801c, KEY_PREVIOUS },
294 { 0x801d, KEY_REWIND },
295 { 0x801e, KEY_FASTFORWARD },
301 { 0x8043, KEY_CHANNELUP },
306 { 0x8047, KEY_CHANNELDOWN },
311 { 0x804b, KEY_VOLUMEUP },
313 { 0x804c, KEY_CLEAR },
315 { 0x804e, KEY_ENTER },
316 { 0x804f, KEY_VOLUMEDOWN },
318 EXPORT_SYMBOL(rc_map_dibusb_table);
320 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
322 u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
323 dvb_usb_generic_rw(d,&cmd,1,key,5,0);
324 dvb_usb_nec_rc_key_to_event(d,key,event,state);
326 deb_info("key: %*ph\n", 5, key);
329 EXPORT_SYMBOL(dibusb_rc_query);