V4L/DVB (11832): dibusb_mc: fix i2c to not corrupt eeprom in case of strange read...
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / dvb / dvb-usb / dibusb-common.c
blob8dbad1ec53c404782d16c33e8929976a3ad8e386
1 /* Common methods for dibusb-based-receivers.
3 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.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
11 #include "dibusb.h"
13 static int debug;
14 module_param(debug, int, 0644);
15 MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS);
16 MODULE_LICENSE("GPL");
18 #define deb_info(args...) dprintk(debug,0x01,args)
20 /* common stuff used by the different dibusb modules */
21 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
23 if (adap->priv != NULL) {
24 struct dibusb_state *st = adap->priv;
25 if (st->ops.fifo_ctrl != NULL)
26 if (st->ops.fifo_ctrl(adap->fe,onoff)) {
27 err("error while controlling the fifo of the demod.");
28 return -ENODEV;
31 return 0;
33 EXPORT_SYMBOL(dibusb_streaming_ctrl);
35 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff)
37 if (adap->priv != NULL) {
38 struct dibusb_state *st = adap->priv;
39 if (st->ops.pid_ctrl != NULL)
40 st->ops.pid_ctrl(adap->fe,index,pid,onoff);
42 return 0;
44 EXPORT_SYMBOL(dibusb_pid_filter);
46 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
48 if (adap->priv != NULL) {
49 struct dibusb_state *st = adap->priv;
50 if (st->ops.pid_parse != NULL)
51 if (st->ops.pid_parse(adap->fe,onoff) < 0)
52 err("could not handle pid_parser");
54 return 0;
56 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
58 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
60 u8 b[3];
61 int ret;
62 b[0] = DIBUSB_REQ_SET_IOCTL;
63 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE;
64 b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP;
65 ret = dvb_usb_generic_write(d,b,3);
66 msleep(10);
67 return ret;
69 EXPORT_SYMBOL(dibusb_power_ctrl);
71 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
73 u8 b[3] = { 0 };
74 int ret;
76 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0)
77 return ret;
79 if (onoff) {
80 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
81 b[1] = 0x00;
82 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0)
83 return ret;
86 b[0] = DIBUSB_REQ_SET_IOCTL;
87 b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM;
88 return dvb_usb_generic_write(adap->dev,b,3);
90 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
92 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
94 if (onoff) {
95 u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP };
96 return dvb_usb_generic_write(d,b,3);
97 } else
98 return 0;
100 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
102 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
103 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
105 u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
106 /* write only ? */
107 int wo = (rbuf == NULL || rlen == 0),
108 len = 2 + wlen + (wo ? 0 : 2);
110 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
111 sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
113 memcpy(&sndbuf[2],wbuf,wlen);
115 if (!wo) {
116 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
117 sndbuf[wlen+3] = rlen & 0xff;
120 return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
124 * I2C master xfer function
126 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
128 struct dvb_usb_device *d = i2c_get_adapdata(adap);
129 int i;
131 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
132 return -EAGAIN;
134 for (i = 0; i < num; i++) {
135 /* write/read request */
136 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0
137 && (msg[i+1].flags & I2C_M_RD)) {
138 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
139 msg[i+1].buf,msg[i+1].len) < 0)
140 break;
141 i++;
142 } else if ((msg[i].flags & I2C_M_RD) == 0) {
143 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
144 break;
145 } else
146 break;
149 mutex_unlock(&d->i2c_mutex);
150 return i;
153 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
155 return I2C_FUNC_I2C;
158 struct i2c_algorithm dibusb_i2c_algo = {
159 .master_xfer = dibusb_i2c_xfer,
160 .functionality = dibusb_i2c_func,
162 EXPORT_SYMBOL(dibusb_i2c_algo);
164 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
166 u8 wbuf[1] = { offs };
167 return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
169 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
171 /* 3000MC/P stuff */
172 // Config Adjacent channels Perf -cal22
173 static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
174 .band_caps = BAND_VHF | BAND_UHF,
175 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
177 .agc1_max = 48497,
178 .agc1_min = 23593,
179 .agc2_max = 46531,
180 .agc2_min = 24904,
182 .agc1_pt1 = 0x65,
183 .agc1_pt2 = 0x69,
185 .agc1_slope1 = 0x51,
186 .agc1_slope2 = 0x27,
188 .agc2_pt1 = 0,
189 .agc2_pt2 = 0x33,
191 .agc2_slope1 = 0x35,
192 .agc2_slope2 = 0x37,
195 static struct dib3000mc_config stk3000p_dib3000p_config = {
196 &dib3000p_mt2060_agc_config,
198 .max_time = 0x196,
199 .ln_adc_level = 0x1cc7,
201 .output_mpeg2_in_188_bytes = 1,
203 .agc_command1 = 1,
204 .agc_command2 = 1,
207 static struct dibx000_agc_config dib3000p_panasonic_agc_config = {
208 .band_caps = BAND_VHF | BAND_UHF,
209 .setup = (1 << 8) | (5 << 5) | (1 << 4) | (1 << 3) | (0 << 2) | (2 << 0),
211 .agc1_max = 56361,
212 .agc1_min = 22282,
213 .agc2_max = 47841,
214 .agc2_min = 36045,
216 .agc1_pt1 = 0x3b,
217 .agc1_pt2 = 0x6b,
219 .agc1_slope1 = 0x55,
220 .agc1_slope2 = 0x1d,
222 .agc2_pt1 = 0,
223 .agc2_pt2 = 0x0a,
225 .agc2_slope1 = 0x95,
226 .agc2_slope2 = 0x1e,
229 #if defined(CONFIG_DVB_DIB3000MC) || \
230 (defined(CONFIG_DVB_DIB3000MC_MODULE) && defined(MODULE))
232 static struct dib3000mc_config mod3000p_dib3000p_config = {
233 &dib3000p_panasonic_agc_config,
235 .max_time = 0x51,
236 .ln_adc_level = 0x1cc7,
238 .output_mpeg2_in_188_bytes = 1,
240 .agc_command1 = 1,
241 .agc_command2 = 1,
244 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
246 if ((adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000P_I2C_ADDRESS, &mod3000p_dib3000p_config)) != NULL ||
247 (adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000MC_I2C_ADDRESS, &mod3000p_dib3000p_config)) != NULL) {
248 if (adap->priv != NULL) {
249 struct dibusb_state *st = adap->priv;
250 st->ops.pid_parse = dib3000mc_pid_parse;
251 st->ops.pid_ctrl = dib3000mc_pid_control;
253 return 0;
255 return -ENODEV;
257 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
259 static struct mt2060_config stk3000p_mt2060_config = {
260 0x60
263 int dibusb_dib3000mc_tuner_attach(struct dvb_usb_adapter *adap)
265 struct dibusb_state *st = adap->priv;
266 u8 a,b;
267 u16 if1 = 1220;
268 struct i2c_adapter *tun_i2c;
270 // First IF calibration for Liteon Sticks
271 if (adap->dev->udev->descriptor.idVendor == USB_VID_LITEON &&
272 adap->dev->udev->descriptor.idProduct == USB_PID_LITEON_DVB_T_WARM) {
274 dibusb_read_eeprom_byte(adap->dev,0x7E,&a);
275 dibusb_read_eeprom_byte(adap->dev,0x7F,&b);
277 if (a == 0x00)
278 if1 += b;
279 else if (a == 0x80)
280 if1 -= b;
281 else
282 warn("LITE-ON DVB-T: Strange IF1 calibration :%2X %2X\n", a, b);
284 } else if (adap->dev->udev->descriptor.idVendor == USB_VID_DIBCOM &&
285 adap->dev->udev->descriptor.idProduct == USB_PID_DIBCOM_MOD3001_WARM) {
286 u8 desc;
287 dibusb_read_eeprom_byte(adap->dev, 7, &desc);
288 if (desc == 2) {
289 a = 127;
290 do {
291 dibusb_read_eeprom_byte(adap->dev, a, &desc);
292 a--;
293 } while (a > 7 && (desc == 0xff || desc == 0x00));
294 if (desc & 0x80)
295 if1 -= (0xff - desc);
296 else
297 if1 += desc;
301 tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe, 1);
302 if (dvb_attach(mt2060_attach, adap->fe, tun_i2c, &stk3000p_mt2060_config, if1) == NULL) {
303 /* not found - use panasonic pll parameters */
304 if (dvb_attach(dvb_pll_attach, adap->fe, 0x60, tun_i2c, DVB_PLL_ENV57H1XD5) == NULL)
305 return -ENOMEM;
306 } else {
307 st->mt2060_present = 1;
308 /* set the correct parameters for the dib3000p */
309 dib3000mc_set_config(adap->fe, &stk3000p_dib3000p_config);
311 return 0;
313 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
314 #endif
317 * common remote control stuff
319 struct dvb_usb_rc_key dibusb_rc_keys[] = {
320 /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
321 { 0x00, 0x16, KEY_POWER },
322 { 0x00, 0x10, KEY_MUTE },
323 { 0x00, 0x03, KEY_1 },
324 { 0x00, 0x01, KEY_2 },
325 { 0x00, 0x06, KEY_3 },
326 { 0x00, 0x09, KEY_4 },
327 { 0x00, 0x1d, KEY_5 },
328 { 0x00, 0x1f, KEY_6 },
329 { 0x00, 0x0d, KEY_7 },
330 { 0x00, 0x19, KEY_8 },
331 { 0x00, 0x1b, KEY_9 },
332 { 0x00, 0x15, KEY_0 },
333 { 0x00, 0x05, KEY_CHANNELUP },
334 { 0x00, 0x02, KEY_CHANNELDOWN },
335 { 0x00, 0x1e, KEY_VOLUMEUP },
336 { 0x00, 0x0a, KEY_VOLUMEDOWN },
337 { 0x00, 0x11, KEY_RECORD },
338 { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
339 { 0x00, 0x14, KEY_PLAY },
340 { 0x00, 0x1a, KEY_STOP },
341 { 0x00, 0x40, KEY_REWIND },
342 { 0x00, 0x12, KEY_FASTFORWARD },
343 { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
344 { 0x00, 0x4c, KEY_PAUSE },
345 { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
346 { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
347 /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
348 { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
349 { 0x00, 0x1c, KEY_EPG }, /* EPG */
350 { 0x00, 0x00, KEY_TAB }, /* Tab */
351 { 0x00, 0x48, KEY_INFO }, /* Preview */
352 { 0x00, 0x04, KEY_LIST }, /* RecordList */
353 { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
354 /* Key codes for the KWorld/ADSTech/JetWay remote. */
355 { 0x86, 0x12, KEY_POWER },
356 { 0x86, 0x0f, KEY_SELECT }, /* source */
357 { 0x86, 0x0c, KEY_UNKNOWN }, /* scan */
358 { 0x86, 0x0b, KEY_EPG },
359 { 0x86, 0x10, KEY_MUTE },
360 { 0x86, 0x01, KEY_1 },
361 { 0x86, 0x02, KEY_2 },
362 { 0x86, 0x03, KEY_3 },
363 { 0x86, 0x04, KEY_4 },
364 { 0x86, 0x05, KEY_5 },
365 { 0x86, 0x06, KEY_6 },
366 { 0x86, 0x07, KEY_7 },
367 { 0x86, 0x08, KEY_8 },
368 { 0x86, 0x09, KEY_9 },
369 { 0x86, 0x0a, KEY_0 },
370 { 0x86, 0x18, KEY_ZOOM },
371 { 0x86, 0x1c, KEY_UNKNOWN }, /* preview */
372 { 0x86, 0x13, KEY_UNKNOWN }, /* snap */
373 { 0x86, 0x00, KEY_UNDO },
374 { 0x86, 0x1d, KEY_RECORD },
375 { 0x86, 0x0d, KEY_STOP },
376 { 0x86, 0x0e, KEY_PAUSE },
377 { 0x86, 0x16, KEY_PLAY },
378 { 0x86, 0x11, KEY_BACK },
379 { 0x86, 0x19, KEY_FORWARD },
380 { 0x86, 0x14, KEY_UNKNOWN }, /* pip */
381 { 0x86, 0x15, KEY_ESC },
382 { 0x86, 0x1a, KEY_UP },
383 { 0x86, 0x1e, KEY_DOWN },
384 { 0x86, 0x1f, KEY_LEFT },
385 { 0x86, 0x1b, KEY_RIGHT },
387 /* Key codes for the DiBcom MOD3000 remote. */
388 { 0x80, 0x00, KEY_MUTE },
389 { 0x80, 0x01, KEY_TEXT },
390 { 0x80, 0x02, KEY_HOME },
391 { 0x80, 0x03, KEY_POWER },
393 { 0x80, 0x04, KEY_RED },
394 { 0x80, 0x05, KEY_GREEN },
395 { 0x80, 0x06, KEY_YELLOW },
396 { 0x80, 0x07, KEY_BLUE },
398 { 0x80, 0x08, KEY_DVD },
399 { 0x80, 0x09, KEY_AUDIO },
400 { 0x80, 0x0a, KEY_MEDIA }, /* Pictures */
401 { 0x80, 0x0b, KEY_VIDEO },
403 { 0x80, 0x0c, KEY_BACK },
404 { 0x80, 0x0d, KEY_UP },
405 { 0x80, 0x0e, KEY_RADIO },
406 { 0x80, 0x0f, KEY_EPG },
408 { 0x80, 0x10, KEY_LEFT },
409 { 0x80, 0x11, KEY_OK },
410 { 0x80, 0x12, KEY_RIGHT },
411 { 0x80, 0x13, KEY_UNKNOWN }, /* SAP */
413 { 0x80, 0x14, KEY_TV },
414 { 0x80, 0x15, KEY_DOWN },
415 { 0x80, 0x16, KEY_MENU }, /* DVD Menu */
416 { 0x80, 0x17, KEY_LAST },
418 { 0x80, 0x18, KEY_RECORD },
419 { 0x80, 0x19, KEY_STOP },
420 { 0x80, 0x1a, KEY_PAUSE },
421 { 0x80, 0x1b, KEY_PLAY },
423 { 0x80, 0x1c, KEY_PREVIOUS },
424 { 0x80, 0x1d, KEY_REWIND },
425 { 0x80, 0x1e, KEY_FASTFORWARD },
426 { 0x80, 0x1f, KEY_NEXT},
428 { 0x80, 0x40, KEY_1 },
429 { 0x80, 0x41, KEY_2 },
430 { 0x80, 0x42, KEY_3 },
431 { 0x80, 0x43, KEY_CHANNELUP },
433 { 0x80, 0x44, KEY_4 },
434 { 0x80, 0x45, KEY_5 },
435 { 0x80, 0x46, KEY_6 },
436 { 0x80, 0x47, KEY_CHANNELDOWN },
438 { 0x80, 0x48, KEY_7 },
439 { 0x80, 0x49, KEY_8 },
440 { 0x80, 0x4a, KEY_9 },
441 { 0x80, 0x4b, KEY_VOLUMEUP },
443 { 0x80, 0x4c, KEY_CLEAR },
444 { 0x80, 0x4d, KEY_0 },
445 { 0x80, 0x4e, KEY_ENTER },
446 { 0x80, 0x4f, KEY_VOLUMEDOWN },
448 EXPORT_SYMBOL(dibusb_rc_keys);
450 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
452 u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
453 dvb_usb_generic_rw(d,&cmd,1,key,5,0);
454 dvb_usb_nec_rc_key_to_event(d,key,event,state);
455 if (key[0] != 0)
456 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
457 return 0;
459 EXPORT_SYMBOL(dibusb_rc_query);