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
12 #include <linux/kconfig.h>
15 /* Max transfer size done by I2C transfer functions */
16 #define MAX_XFER_SIZE 64
19 module_param(debug, int, 0644);
20 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
21 MODULE_LICENSE("GPL");
23 #define deb_info(args...) dprintk(debug,0x01,args)
25 /* common stuff used by the different dibusb modules */
26 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
28 if (adap->priv != NULL) {
29 struct dibusb_state *st = adap->priv;
30 if (st->ops.fifo_ctrl != NULL)
31 if (st->ops.fifo_ctrl(adap->fe_adap[0].fe, onoff)) {
32 err("error while controlling the fifo of the demod.");
38 EXPORT_SYMBOL(dibusb_streaming_ctrl);
40 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
42 if (adap->priv != NULL) {
43 struct dibusb_state *st = adap->priv;
44 if (st->ops.pid_ctrl != NULL)
45 st->ops.pid_ctrl(adap->fe_adap[0].fe,
50 EXPORT_SYMBOL(dibusb_pid_filter);
52 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
54 if (adap->priv != NULL) {
55 struct dibusb_state *st = adap->priv;
56 if (st->ops.pid_parse != NULL)
57 if (st->ops.pid_parse(adap->fe_adap[0].fe, onoff) < 0)
58 err("could not handle pid_parser");
62 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
64 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
68 b[0] = DIBUSB_REQ_SET_IOCTL;
69 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
70 b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
71 ret = dvb_usb_generic_write(d,b,3);
75 EXPORT_SYMBOL(dibusb_power_ctrl);
77 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
82 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
86 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
88 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
92 b[0] = DIBUSB_REQ_SET_IOCTL;
93 b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
94 return dvb_usb_generic_write(adap->dev,b,3);
96 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
98 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
101 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
102 return dvb_usb_generic_write(d,b,3);
106 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
108 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
109 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
111 u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
113 int wo = (rbuf == NULL || rlen == 0),
114 len = 2 + wlen + (wo ? 0 : 2);
116 if (4 + wlen > sizeof(sndbuf)) {
117 warn("i2c wr: len=%d is too big!\n", wlen);
121 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
122 sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
124 memcpy(&sndbuf[2],wbuf,wlen);
127 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
128 sndbuf[wlen+3] = rlen & 0xff;
131 return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
135 * I2C master xfer function
137 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
139 struct dvb_usb_device *d = i2c_get_adapdata(adap);
142 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
145 for (i = 0; i < num; i++) {
146 /* write/read request */
147 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
148 && (msg[i+1].flags & I2C_M_RD)) {
149 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
150 msg[i+1].buf,msg[i+1].len) < 0)
153 } else if ((msg[i].flags & I2C_M_RD) == 0) {
154 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
156 } else if (msg[i].addr != 0x50) {
157 /* 0x50 is the address of the eeprom - we need to protect it
158 * from dibusb's bad i2c implementation: reads without
159 * writing the offset before are forbidden */
160 if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
165 mutex_unlock(&d->i2c_mutex);
169 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
174 struct i2c_algorithm dibusb_i2c_algo = {
175 .master_xfer = dibusb_i2c_xfer,
176 .functionality = dibusb_i2c_func,
178 EXPORT_SYMBOL(dibusb_i2c_algo);
180 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
182 u8 wbuf[1] = { offs };
183 return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
185 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
188 * common remote control stuff
190 struct rc_map_table rc_map_dibusb_table[] = {
191 /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
192 { 0x0016, KEY_POWER },
193 { 0x0010, KEY_MUTE },
204 { 0x0005, KEY_CHANNELUP },
205 { 0x0002, KEY_CHANNELDOWN },
206 { 0x001e, KEY_VOLUMEUP },
207 { 0x000a, KEY_VOLUMEDOWN },
208 { 0x0011, KEY_RECORD },
209 { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
210 { 0x0014, KEY_PLAY },
211 { 0x001a, KEY_STOP },
212 { 0x0040, KEY_REWIND },
213 { 0x0012, KEY_FASTFORWARD },
214 { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
215 { 0x004c, KEY_PAUSE },
216 { 0x004d, KEY_SCREEN }, /* Full screen mode. */
217 { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
218 /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
219 { 0x000c, KEY_CANCEL }, /* Cancel */
220 { 0x001c, KEY_EPG }, /* EPG */
221 { 0x0000, KEY_TAB }, /* Tab */
222 { 0x0048, KEY_INFO }, /* Preview */
223 { 0x0004, KEY_LIST }, /* RecordList */
224 { 0x000f, KEY_TEXT }, /* Teletext */
225 /* Key codes for the KWorld/ADSTech/JetWay remote. */
226 { 0x8612, KEY_POWER },
227 { 0x860f, KEY_SELECT }, /* source */
228 { 0x860c, KEY_UNKNOWN }, /* scan */
230 { 0x8610, KEY_MUTE },
241 { 0x8618, KEY_ZOOM },
242 { 0x861c, KEY_UNKNOWN }, /* preview */
243 { 0x8613, KEY_UNKNOWN }, /* snap */
244 { 0x8600, KEY_UNDO },
245 { 0x861d, KEY_RECORD },
246 { 0x860d, KEY_STOP },
247 { 0x860e, KEY_PAUSE },
248 { 0x8616, KEY_PLAY },
249 { 0x8611, KEY_BACK },
250 { 0x8619, KEY_FORWARD },
251 { 0x8614, KEY_UNKNOWN }, /* pip */
254 { 0x861e, KEY_DOWN },
255 { 0x861f, KEY_LEFT },
256 { 0x861b, KEY_RIGHT },
258 /* Key codes for the DiBcom MOD3000 remote. */
259 { 0x8000, KEY_MUTE },
260 { 0x8001, KEY_TEXT },
261 { 0x8002, KEY_HOME },
262 { 0x8003, KEY_POWER },
265 { 0x8005, KEY_GREEN },
266 { 0x8006, KEY_YELLOW },
267 { 0x8007, KEY_BLUE },
270 { 0x8009, KEY_AUDIO },
271 { 0x800a, KEY_IMAGES }, /* Pictures */
272 { 0x800b, KEY_VIDEO },
274 { 0x800c, KEY_BACK },
276 { 0x800e, KEY_RADIO },
279 { 0x8010, KEY_LEFT },
281 { 0x8012, KEY_RIGHT },
282 { 0x8013, KEY_UNKNOWN }, /* SAP */
285 { 0x8015, KEY_DOWN },
286 { 0x8016, KEY_MENU }, /* DVD Menu */
287 { 0x8017, KEY_LAST },
289 { 0x8018, KEY_RECORD },
290 { 0x8019, KEY_STOP },
291 { 0x801a, KEY_PAUSE },
292 { 0x801b, KEY_PLAY },
294 { 0x801c, KEY_PREVIOUS },
295 { 0x801d, KEY_REWIND },
296 { 0x801e, KEY_FASTFORWARD },
302 { 0x8043, KEY_CHANNELUP },
307 { 0x8047, KEY_CHANNELDOWN },
312 { 0x804b, KEY_VOLUMEUP },
314 { 0x804c, KEY_CLEAR },
316 { 0x804e, KEY_ENTER },
317 { 0x804f, KEY_VOLUMEDOWN },
319 EXPORT_SYMBOL(rc_map_dibusb_table);
321 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
323 u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
324 dvb_usb_generic_rw(d,&cmd,1,key,5,0);
325 dvb_usb_nec_rc_key_to_event(d,key,event,state);
327 deb_info("key: %*ph\n", 5, key);
330 EXPORT_SYMBOL(dibusb_rc_query);