1 /* Common methods for dibusb-based-receivers. 2 * 3 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) 4 * 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. 8 * 9 * see Documentation/dvb/README.dvb-usb for more information 10 */ 11 12 #include "dibusb.h" 13 14 /* Max transfer size done by I2C transfer functions */ 15 #define MAX_XFER_SIZE 64 16 17 static int debug; 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"); 21 22 #define deb_info(args...) dprintk(debug,0x01,args) 23 24 /* common stuff used by the different dibusb modules */ 25 int dibusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) 26 { 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."); 32 return -ENODEV; 33 } 34 } 35 return 0; 36 } 37 EXPORT_SYMBOL(dibusb_streaming_ctrl); 38 39 int dibusb_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff) 40 { 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, 45 index, pid, onoff); 46 } 47 return 0; 48 } 49 EXPORT_SYMBOL(dibusb_pid_filter); 50 51 int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 52 { 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"); 58 } 59 return 0; 60 } 61 EXPORT_SYMBOL(dibusb_pid_filter_ctrl); 62 63 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff) 64 { 65 u8 *b; 66 int ret; 67 68 b = kmalloc(3, GFP_KERNEL); 69 if (!b) 70 return -ENOMEM; 71 72 b[0] = DIBUSB_REQ_SET_IOCTL; 73 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; 74 b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP; 75 76 ret = dvb_usb_generic_write(d, b, 3); 77 78 kfree(b); 79 80 msleep(10); 81 82 return ret; 83 } 84 EXPORT_SYMBOL(dibusb_power_ctrl); 85 86 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) 87 { 88 int ret; 89 u8 *b; 90 91 b = kmalloc(3, GFP_KERNEL); 92 if (!b) 93 return -ENOMEM; 94 95 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0) 96 goto ret; 97 98 if (onoff) { 99 b[0] = DIBUSB_REQ_SET_STREAMING_MODE; 100 b[1] = 0x00; 101 ret = dvb_usb_generic_write(adap->dev, b, 2); 102 if (ret < 0) 103 goto ret; 104 } 105 106 b[0] = DIBUSB_REQ_SET_IOCTL; 107 b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM; 108 ret = dvb_usb_generic_write(adap->dev, b, 3); 109 110 ret: 111 kfree(b); 112 return ret; 113 } 114 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl); 115 116 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff) 117 { 118 u8 *b; 119 int ret; 120 121 if (!onoff) 122 return 0; 123 124 b = kmalloc(3, GFP_KERNEL); 125 if (!b) 126 return -ENOMEM; 127 128 b[0] = DIBUSB_REQ_SET_IOCTL; 129 b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; 130 b[2] = DIBUSB_IOCTL_POWER_WAKEUP; 131 132 ret = dvb_usb_generic_write(d, b, 3); 133 134 kfree(b); 135 136 return ret; 137 } 138 EXPORT_SYMBOL(dibusb2_0_power_ctrl); 139 140 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr, 141 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) 142 { 143 u8 *sndbuf; 144 int ret, wo, len; 145 146 /* write only ? */ 147 wo = (rbuf == NULL || rlen == 0); 148 149 len = 2 + wlen + (wo ? 0 : 2); 150 151 sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL); 152 if (!sndbuf) 153 return -ENOMEM; 154 155 if (4 + wlen > MAX_XFER_SIZE) { 156 warn("i2c wr: len=%d is too big!\n", wlen); 157 ret = -EOPNOTSUPP; 158 goto ret; 159 } 160 161 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ; 162 sndbuf[1] = (addr << 1) | (wo ? 0 : 1); 163 164 memcpy(&sndbuf[2], wbuf, wlen); 165 166 if (!wo) { 167 sndbuf[wlen + 2] = (rlen >> 8) & 0xff; 168 sndbuf[wlen + 3] = rlen & 0xff; 169 } 170 171 ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0); 172 173 ret: 174 kfree(sndbuf); 175 return ret; 176 } 177 178 /* 179 * I2C master xfer function 180 */ 181 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) 182 { 183 struct dvb_usb_device *d = i2c_get_adapdata(adap); 184 int i; 185 186 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 187 return -EAGAIN; 188 189 for (i = 0; i < num; i++) { 190 /* write/read request */ 191 if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0 192 && (msg[i+1].flags & I2C_M_RD)) { 193 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len, 194 msg[i+1].buf,msg[i+1].len) < 0) 195 break; 196 i++; 197 } else if ((msg[i].flags & I2C_M_RD) == 0) { 198 if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0) 199 break; 200 } else if (msg[i].addr != 0x50) { 201 /* 0x50 is the address of the eeprom - we need to protect it 202 * from dibusb's bad i2c implementation: reads without 203 * writing the offset before are forbidden */ 204 if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0) 205 break; 206 } 207 } 208 209 mutex_unlock(&d->i2c_mutex); 210 return i; 211 } 212 213 static u32 dibusb_i2c_func(struct i2c_adapter *adapter) 214 { 215 return I2C_FUNC_I2C; 216 } 217 218 struct i2c_algorithm dibusb_i2c_algo = { 219 .master_xfer = dibusb_i2c_xfer, 220 .functionality = dibusb_i2c_func, 221 }; 222 EXPORT_SYMBOL(dibusb_i2c_algo); 223 224 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val) 225 { 226 u8 wbuf[1] = { offs }; 227 return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1); 228 } 229 EXPORT_SYMBOL(dibusb_read_eeprom_byte); 230 231 /* 232 * common remote control stuff 233 */ 234 struct rc_map_table rc_map_dibusb_table[] = { 235 /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */ 236 { 0x0016, KEY_POWER }, 237 { 0x0010, KEY_MUTE }, 238 { 0x0003, KEY_1 }, 239 { 0x0001, KEY_2 }, 240 { 0x0006, KEY_3 }, 241 { 0x0009, KEY_4 }, 242 { 0x001d, KEY_5 }, 243 { 0x001f, KEY_6 }, 244 { 0x000d, KEY_7 }, 245 { 0x0019, KEY_8 }, 246 { 0x001b, KEY_9 }, 247 { 0x0015, KEY_0 }, 248 { 0x0005, KEY_CHANNELUP }, 249 { 0x0002, KEY_CHANNELDOWN }, 250 { 0x001e, KEY_VOLUMEUP }, 251 { 0x000a, KEY_VOLUMEDOWN }, 252 { 0x0011, KEY_RECORD }, 253 { 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */ 254 { 0x0014, KEY_PLAY }, 255 { 0x001a, KEY_STOP }, 256 { 0x0040, KEY_REWIND }, 257 { 0x0012, KEY_FASTFORWARD }, 258 { 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */ 259 { 0x004c, KEY_PAUSE }, 260 { 0x004d, KEY_SCREEN }, /* Full screen mode. */ 261 { 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */ 262 /* additional keys TwinHan VisionPlus, the Artec seemingly not have */ 263 { 0x000c, KEY_CANCEL }, /* Cancel */ 264 { 0x001c, KEY_EPG }, /* EPG */ 265 { 0x0000, KEY_TAB }, /* Tab */ 266 { 0x0048, KEY_INFO }, /* Preview */ 267 { 0x0004, KEY_LIST }, /* RecordList */ 268 { 0x000f, KEY_TEXT }, /* Teletext */ 269 /* Key codes for the KWorld/ADSTech/JetWay remote. */ 270 { 0x8612, KEY_POWER }, 271 { 0x860f, KEY_SELECT }, /* source */ 272 { 0x860c, KEY_UNKNOWN }, /* scan */ 273 { 0x860b, KEY_EPG }, 274 { 0x8610, KEY_MUTE }, 275 { 0x8601, KEY_1 }, 276 { 0x8602, KEY_2 }, 277 { 0x8603, KEY_3 }, 278 { 0x8604, KEY_4 }, 279 { 0x8605, KEY_5 }, 280 { 0x8606, KEY_6 }, 281 { 0x8607, KEY_7 }, 282 { 0x8608, KEY_8 }, 283 { 0x8609, KEY_9 }, 284 { 0x860a, KEY_0 }, 285 { 0x8618, KEY_ZOOM }, 286 { 0x861c, KEY_UNKNOWN }, /* preview */ 287 { 0x8613, KEY_UNKNOWN }, /* snap */ 288 { 0x8600, KEY_UNDO }, 289 { 0x861d, KEY_RECORD }, 290 { 0x860d, KEY_STOP }, 291 { 0x860e, KEY_PAUSE }, 292 { 0x8616, KEY_PLAY }, 293 { 0x8611, KEY_BACK }, 294 { 0x8619, KEY_FORWARD }, 295 { 0x8614, KEY_UNKNOWN }, /* pip */ 296 { 0x8615, KEY_ESC }, 297 { 0x861a, KEY_UP }, 298 { 0x861e, KEY_DOWN }, 299 { 0x861f, KEY_LEFT }, 300 { 0x861b, KEY_RIGHT }, 301 302 /* Key codes for the DiBcom MOD3000 remote. */ 303 { 0x8000, KEY_MUTE }, 304 { 0x8001, KEY_TEXT }, 305 { 0x8002, KEY_HOME }, 306 { 0x8003, KEY_POWER }, 307 308 { 0x8004, KEY_RED }, 309 { 0x8005, KEY_GREEN }, 310 { 0x8006, KEY_YELLOW }, 311 { 0x8007, KEY_BLUE }, 312 313 { 0x8008, KEY_DVD }, 314 { 0x8009, KEY_AUDIO }, 315 { 0x800a, KEY_IMAGES }, /* Pictures */ 316 { 0x800b, KEY_VIDEO }, 317 318 { 0x800c, KEY_BACK }, 319 { 0x800d, KEY_UP }, 320 { 0x800e, KEY_RADIO }, 321 { 0x800f, KEY_EPG }, 322 323 { 0x8010, KEY_LEFT }, 324 { 0x8011, KEY_OK }, 325 { 0x8012, KEY_RIGHT }, 326 { 0x8013, KEY_UNKNOWN }, /* SAP */ 327 328 { 0x8014, KEY_TV }, 329 { 0x8015, KEY_DOWN }, 330 { 0x8016, KEY_MENU }, /* DVD Menu */ 331 { 0x8017, KEY_LAST }, 332 333 { 0x8018, KEY_RECORD }, 334 { 0x8019, KEY_STOP }, 335 { 0x801a, KEY_PAUSE }, 336 { 0x801b, KEY_PLAY }, 337 338 { 0x801c, KEY_PREVIOUS }, 339 { 0x801d, KEY_REWIND }, 340 { 0x801e, KEY_FASTFORWARD }, 341 { 0x801f, KEY_NEXT}, 342 343 { 0x8040, KEY_1 }, 344 { 0x8041, KEY_2 }, 345 { 0x8042, KEY_3 }, 346 { 0x8043, KEY_CHANNELUP }, 347 348 { 0x8044, KEY_4 }, 349 { 0x8045, KEY_5 }, 350 { 0x8046, KEY_6 }, 351 { 0x8047, KEY_CHANNELDOWN }, 352 353 { 0x8048, KEY_7 }, 354 { 0x8049, KEY_8 }, 355 { 0x804a, KEY_9 }, 356 { 0x804b, KEY_VOLUMEUP }, 357 358 { 0x804c, KEY_CLEAR }, 359 { 0x804d, KEY_0 }, 360 { 0x804e, KEY_ENTER }, 361 { 0x804f, KEY_VOLUMEDOWN }, 362 }; 363 EXPORT_SYMBOL(rc_map_dibusb_table); 364 365 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 366 { 367 u8 *buf; 368 int ret; 369 370 buf = kmalloc(5, GFP_KERNEL); 371 if (!buf) 372 return -ENOMEM; 373 374 buf[0] = DIBUSB_REQ_POLL_REMOTE; 375 376 ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0); 377 if (ret < 0) 378 goto ret; 379 380 dvb_usb_nec_rc_key_to_event(d, buf, event, state); 381 382 if (buf[0] != 0) 383 deb_info("key: %*ph\n", 5, buf); 384 385 ret: 386 kfree(buf); 387 388 return ret; 389 } 390 EXPORT_SYMBOL(dibusb_rc_query); 391