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[3]; 66 int ret; 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); 71 msleep(10); 72 return ret; 73 } 74 EXPORT_SYMBOL(dibusb_power_ctrl); 75 76 int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) 77 { 78 u8 b[3] = { 0 }; 79 int ret; 80 81 if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0) 82 return ret; 83 84 if (onoff) { 85 b[0] = DIBUSB_REQ_SET_STREAMING_MODE; 86 b[1] = 0x00; 87 if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0) 88 return ret; 89 } 90 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); 94 } 95 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl); 96 97 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff) 98 { 99 if (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); 102 } else 103 return 0; 104 } 105 EXPORT_SYMBOL(dibusb2_0_power_ctrl); 106 107 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr, 108 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) 109 { 110 u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */ 111 /* write only ? */ 112 int wo = (rbuf == NULL || rlen == 0), 113 len = 2 + wlen + (wo ? 0 : 2); 114 115 if (4 + wlen > sizeof(sndbuf)) { 116 warn("i2c wr: len=%d is too big!\n", wlen); 117 return -EOPNOTSUPP; 118 } 119 120 sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ; 121 sndbuf[1] = (addr << 1) | (wo ? 0 : 1); 122 123 memcpy(&sndbuf[2],wbuf,wlen); 124 125 if (!wo) { 126 sndbuf[wlen+2] = (rlen >> 8) & 0xff; 127 sndbuf[wlen+3] = rlen & 0xff; 128 } 129 130 return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0); 131 } 132 133 /* 134 * I2C master xfer function 135 */ 136 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) 137 { 138 struct dvb_usb_device *d = i2c_get_adapdata(adap); 139 int i; 140 141 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 142 return -EAGAIN; 143 144 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) 150 break; 151 i++; 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) 154 break; 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) 160 break; 161 } 162 } 163 164 mutex_unlock(&d->i2c_mutex); 165 return i; 166 } 167 168 static u32 dibusb_i2c_func(struct i2c_adapter *adapter) 169 { 170 return I2C_FUNC_I2C; 171 } 172 173 struct i2c_algorithm dibusb_i2c_algo = { 174 .master_xfer = dibusb_i2c_xfer, 175 .functionality = dibusb_i2c_func, 176 }; 177 EXPORT_SYMBOL(dibusb_i2c_algo); 178 179 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val) 180 { 181 u8 wbuf[1] = { offs }; 182 return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1); 183 } 184 EXPORT_SYMBOL(dibusb_read_eeprom_byte); 185 186 /* 187 * common remote control stuff 188 */ 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 }, 193 { 0x0003, KEY_1 }, 194 { 0x0001, KEY_2 }, 195 { 0x0006, KEY_3 }, 196 { 0x0009, KEY_4 }, 197 { 0x001d, KEY_5 }, 198 { 0x001f, KEY_6 }, 199 { 0x000d, KEY_7 }, 200 { 0x0019, KEY_8 }, 201 { 0x001b, KEY_9 }, 202 { 0x0015, KEY_0 }, 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 */ 228 { 0x860b, KEY_EPG }, 229 { 0x8610, KEY_MUTE }, 230 { 0x8601, KEY_1 }, 231 { 0x8602, KEY_2 }, 232 { 0x8603, KEY_3 }, 233 { 0x8604, KEY_4 }, 234 { 0x8605, KEY_5 }, 235 { 0x8606, KEY_6 }, 236 { 0x8607, KEY_7 }, 237 { 0x8608, KEY_8 }, 238 { 0x8609, KEY_9 }, 239 { 0x860a, KEY_0 }, 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 */ 251 { 0x8615, KEY_ESC }, 252 { 0x861a, KEY_UP }, 253 { 0x861e, KEY_DOWN }, 254 { 0x861f, KEY_LEFT }, 255 { 0x861b, KEY_RIGHT }, 256 257 /* Key codes for the DiBcom MOD3000 remote. */ 258 { 0x8000, KEY_MUTE }, 259 { 0x8001, KEY_TEXT }, 260 { 0x8002, KEY_HOME }, 261 { 0x8003, KEY_POWER }, 262 263 { 0x8004, KEY_RED }, 264 { 0x8005, KEY_GREEN }, 265 { 0x8006, KEY_YELLOW }, 266 { 0x8007, KEY_BLUE }, 267 268 { 0x8008, KEY_DVD }, 269 { 0x8009, KEY_AUDIO }, 270 { 0x800a, KEY_IMAGES }, /* Pictures */ 271 { 0x800b, KEY_VIDEO }, 272 273 { 0x800c, KEY_BACK }, 274 { 0x800d, KEY_UP }, 275 { 0x800e, KEY_RADIO }, 276 { 0x800f, KEY_EPG }, 277 278 { 0x8010, KEY_LEFT }, 279 { 0x8011, KEY_OK }, 280 { 0x8012, KEY_RIGHT }, 281 { 0x8013, KEY_UNKNOWN }, /* SAP */ 282 283 { 0x8014, KEY_TV }, 284 { 0x8015, KEY_DOWN }, 285 { 0x8016, KEY_MENU }, /* DVD Menu */ 286 { 0x8017, KEY_LAST }, 287 288 { 0x8018, KEY_RECORD }, 289 { 0x8019, KEY_STOP }, 290 { 0x801a, KEY_PAUSE }, 291 { 0x801b, KEY_PLAY }, 292 293 { 0x801c, KEY_PREVIOUS }, 294 { 0x801d, KEY_REWIND }, 295 { 0x801e, KEY_FASTFORWARD }, 296 { 0x801f, KEY_NEXT}, 297 298 { 0x8040, KEY_1 }, 299 { 0x8041, KEY_2 }, 300 { 0x8042, KEY_3 }, 301 { 0x8043, KEY_CHANNELUP }, 302 303 { 0x8044, KEY_4 }, 304 { 0x8045, KEY_5 }, 305 { 0x8046, KEY_6 }, 306 { 0x8047, KEY_CHANNELDOWN }, 307 308 { 0x8048, KEY_7 }, 309 { 0x8049, KEY_8 }, 310 { 0x804a, KEY_9 }, 311 { 0x804b, KEY_VOLUMEUP }, 312 313 { 0x804c, KEY_CLEAR }, 314 { 0x804d, KEY_0 }, 315 { 0x804e, KEY_ENTER }, 316 { 0x804f, KEY_VOLUMEDOWN }, 317 }; 318 EXPORT_SYMBOL(rc_map_dibusb_table); 319 320 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 321 { 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); 325 if (key[0] != 0) 326 deb_info("key: %*ph\n", 5, key); 327 return 0; 328 } 329 EXPORT_SYMBOL(dibusb_rc_query); 330