drivers/media/dvb/dvb-usb/dibusb-common.c

   1 /* Common methods for dibusb-based-receivers.
   2  *
   3  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.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 #include "dibusb.h"
  12
  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");
  17
  18 #define deb_info(args...) dprintk(debug,0x01,args)
  19
  20 /* common stuff used by the different dibusb modules */
  21 int dibusb_streaming_ctrl(struct dvb_usb_device *d, int onoff)
  22 {
  23         if (d->priv != NULL) {
  24                 struct dibusb_state *st = d->priv;
  25                 if (st->ops.fifo_ctrl != NULL)
  26                         if (st->ops.fifo_ctrl(d->fe,onoff)) {
  27                                 err("error while controlling the fifo of the demod.");
  28                                 return -ENODEV;
  29                         }
  30         }
  31         return 0;
  32 }
  33 EXPORT_SYMBOL(dibusb_streaming_ctrl);
  34
  35 int dibusb_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
  36 {
  37         if (d->priv != NULL) {
  38                 struct dibusb_state *st = d->priv;
  39                 if (st->ops.pid_ctrl != NULL)
  40                         st->ops.pid_ctrl(d->fe,index,pid,onoff);
  41         }
  42         return 0;
  43 }
  44 EXPORT_SYMBOL(dibusb_pid_filter);
  45
  46 int dibusb_pid_filter_ctrl(struct dvb_usb_device *d, int onoff)
  47 {
  48         if (d->priv != NULL) {
  49                 struct dibusb_state *st = d->priv;
  50                 if (st->ops.pid_parse != NULL)
  51                         if (st->ops.pid_parse(d->fe,onoff) < 0)
  52                                 err("could not handle pid_parser");
  53         }
  54         return 0;
  55 }
  56 EXPORT_SYMBOL(dibusb_pid_filter_ctrl);
  57
  58 int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff)
  59 {
  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;
  68 }
  69 EXPORT_SYMBOL(dibusb_power_ctrl);
  70
  71 int dibusb2_0_streaming_ctrl(struct dvb_usb_device *d, int onoff)
  72 {
  73         u8 b[3] = { 0 };
  74         int ret;
  75
  76         if ((ret = dibusb_streaming_ctrl(d,onoff)) < 0)
  77                 return ret;
  78
  79         if (onoff) {
  80                 b[0] = DIBUSB_REQ_SET_STREAMING_MODE;
  81                 b[1] = 0x00;
  82                 if ((ret = dvb_usb_generic_write(d,b,2)) < 0)
  83                         return ret;
  84         }
  85
  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(d,b,3);
  89 }
  90 EXPORT_SYMBOL(dibusb2_0_streaming_ctrl);
  91
  92 int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff)
  93 {
  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;
  99 }
 100 EXPORT_SYMBOL(dibusb2_0_power_ctrl);
 101
 102 static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr,
 103                           u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
 104 {
 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);
 109
 110         sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
 111         sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
 112
 113         memcpy(&sndbuf[2],wbuf,wlen);
 114
 115         if (!wo) {
 116                 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
 117                 sndbuf[wlen+3] = rlen & 0xff;
 118         }
 119
 120         return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0);
 121 }
 122
 123 /*
 124  * I2C master xfer function
 125  */
 126 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 127 {
 128         struct dvb_usb_device *d = i2c_get_adapdata(adap);
 129         int i;
 130
 131         if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 132                 return -EAGAIN;
 133
 134         if (num > 2)
 135                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
 136
 137         for (i = 0; i < num; i++) {
 138                 /* write/read request */
 139                 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
 140                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,
 141                                                 msg[i+1].buf,msg[i+1].len) < 0)
 142                                 break;
 143                         i++;
 144                 } else
 145                         if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
 146                                 break;
 147         }
 148
 149         mutex_unlock(&d->i2c_mutex);
 150         return i;
 151 }
 152
 153 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
 154 {
 155         return I2C_FUNC_I2C;
 156 }
 157
 158 struct i2c_algorithm dibusb_i2c_algo = {
 159         .master_xfer   = dibusb_i2c_xfer,
 160         .functionality = dibusb_i2c_func,
 161 };
 162 EXPORT_SYMBOL(dibusb_i2c_algo);
 163
 164 int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
 165 {
 166         u8 wbuf[1] = { offs };
 167         return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
 168 }
 169 EXPORT_SYMBOL(dibusb_read_eeprom_byte);
 170
 171 static struct mt2060_config stk3000p_mt2060_config = {
 172         .i2c_address = 0x60,
 173 };
 174
 175 static int dibusb_tuner_init(struct dvb_frontend *fe)
 176 {
 177         struct dvb_usb_device *d = fe->dvb->priv;
 178         struct dibusb_state *st = d->priv;
 179
 180         if (d->tuner_pass_ctrl && st->mt2060_present) {
 181                 int ret;
 182                 d->tuner_pass_ctrl(d->fe, 1, stk3000p_mt2060_config.i2c_address);
 183                 ret = mt2060_init(&st->mt2060);
 184                 d->tuner_pass_ctrl(d->fe, 0, 0);
 185                 return ret;
 186         }
 187         return dvb_usb_pll_init_i2c(fe);
 188 }
 189
 190 static int dibusb_tuner_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
 191 {
 192         struct dvb_usb_device *d = fe->dvb->priv;
 193         struct dibusb_state *st = d->priv;
 194
 195         if (d->tuner_pass_ctrl && st->mt2060_present) {
 196                 int ret;
 197                 d->tuner_pass_ctrl(d->fe, 1, stk3000p_mt2060_config.i2c_address);
 198                 ret = mt2060_set(&st->mt2060,fep);
 199                 d->tuner_pass_ctrl(d->fe,0,0);
 200                 return ret;
 201         }
 202         return dvb_usb_pll_set_i2c(fe,fep);
 203 }
 204
 205 static const struct dib3000p_agc_config dib3000p_agc_panasonic_env57h1xd5 = {
 206         { 0x51, 0x301d, 0x0, 0x1cc7, 0xdc29, 0x570a,
 207         0xbae1, 0x8ccd, 0x3b6d, 0x551d, 0xa, 0x951e }
 208 };
 209
 210 static const struct dib3000p_agc_config dib3000p_agc_microtune_mt2060 = {
 211         { 0x196, 0x301d, 0x0, 0x1cc7, 0xffff, 0x5c29,
 212         0xa8f6, 0x5eb8, 0x65ff, 0x40ff, 0x8a, 0x1114 }
 213 };
 214
 215 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_device *d)
 216 {
 217         struct dib3000_config demod_cfg;
 218         struct dibusb_state *st = d->priv;
 219
 220         demod_cfg.agc      = &dib3000p_agc_panasonic_env57h1xd5;
 221         demod_cfg.pll_set  = dibusb_tuner_set;
 222         demod_cfg.pll_init = dibusb_tuner_init;
 223
 224         for (demod_cfg.demod_address = 0x8; demod_cfg.demod_address < 0xd; demod_cfg.demod_address++)
 225                 if ((d->fe = dib3000mc_attach(&demod_cfg,&d->i2c_adap,&st->ops)) != NULL) {
 226                         d->tuner_pass_ctrl = st->ops.tuner_pass_ctrl;
 227                         return 0;
 228                 }
 229
 230         return -ENODEV;
 231 }
 232 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
 233
 234 int dibusb_dib3000mc_tuner_attach (struct dvb_usb_device *d)
 235 {
 236         int ret;
 237
 238         if (d->tuner_pass_ctrl) {
 239                 struct dibusb_state *st = d->priv;
 240                 d->tuner_pass_ctrl(d->fe, 1, stk3000p_mt2060_config.i2c_address);
 241                 /* check for mt2060 */
 242                 if ((ret = mt2060_attach(&st->mt2060,&stk3000p_mt2060_config, &d->i2c_adap)) != 0) {
 243                         /* not found - use panasonic pll parameters */
 244                         d->pll_addr = 0x60;
 245                         d->pll_desc = &dvb_pll_env57h1xd5;
 246                 } else {
 247                         st->mt2060_present = 1;
 248                         /* set the correct agc parameters for the dib3000p */
 249                         dib3000mc_set_agc_config(d->fe, &dib3000p_agc_microtune_mt2060);
 250                 }
 251                 d->tuner_pass_ctrl(d->fe,0,0);
 252         }
 253         return 0;
 254 }
 255 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
 256
 257 /*
 258  * common remote control stuff
 259  */
 260 struct dvb_usb_rc_key dibusb_rc_keys[] = {
 261         /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
 262         { 0x00, 0x16, KEY_POWER },
 263         { 0x00, 0x10, KEY_MUTE },
 264         { 0x00, 0x03, KEY_1 },
 265         { 0x00, 0x01, KEY_2 },
 266         { 0x00, 0x06, KEY_3 },
 267         { 0x00, 0x09, KEY_4 },
 268         { 0x00, 0x1d, KEY_5 },
 269         { 0x00, 0x1f, KEY_6 },
 270         { 0x00, 0x0d, KEY_7 },
 271         { 0x00, 0x19, KEY_8 },
 272         { 0x00, 0x1b, KEY_9 },
 273         { 0x00, 0x15, KEY_0 },
 274         { 0x00, 0x05, KEY_CHANNELUP },
 275         { 0x00, 0x02, KEY_CHANNELDOWN },
 276         { 0x00, 0x1e, KEY_VOLUMEUP },
 277         { 0x00, 0x0a, KEY_VOLUMEDOWN },
 278         { 0x00, 0x11, KEY_RECORD },
 279         { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 280         { 0x00, 0x14, KEY_PLAY },
 281         { 0x00, 0x1a, KEY_STOP },
 282         { 0x00, 0x40, KEY_REWIND },
 283         { 0x00, 0x12, KEY_FASTFORWARD },
 284         { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 285         { 0x00, 0x4c, KEY_PAUSE },
 286         { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
 287         { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 288         /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
 289         { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
 290         { 0x00, 0x1c, KEY_EPG }, /* EPG */
 291         { 0x00, 0x00, KEY_TAB }, /* Tab */
 292         { 0x00, 0x48, KEY_INFO }, /* Preview */
 293         { 0x00, 0x04, KEY_LIST }, /* RecordList */
 294         { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
 295         /* Key codes for the KWorld/ADSTech/JetWay remote. */
 296         { 0x86, 0x12, KEY_POWER },
 297         { 0x86, 0x0f, KEY_SELECT }, /* source */
 298         { 0x86, 0x0c, KEY_UNKNOWN }, /* scan */
 299         { 0x86, 0x0b, KEY_EPG },
 300         { 0x86, 0x10, KEY_MUTE },
 301         { 0x86, 0x01, KEY_1 },
 302         { 0x86, 0x02, KEY_2 },
 303         { 0x86, 0x03, KEY_3 },
 304         { 0x86, 0x04, KEY_4 },
 305         { 0x86, 0x05, KEY_5 },
 306         { 0x86, 0x06, KEY_6 },
 307         { 0x86, 0x07, KEY_7 },
 308         { 0x86, 0x08, KEY_8 },
 309         { 0x86, 0x09, KEY_9 },
 310         { 0x86, 0x0a, KEY_0 },
 311         { 0x86, 0x18, KEY_ZOOM },
 312         { 0x86, 0x1c, KEY_UNKNOWN }, /* preview */
 313         { 0x86, 0x13, KEY_UNKNOWN }, /* snap */
 314         { 0x86, 0x00, KEY_UNDO },
 315         { 0x86, 0x1d, KEY_RECORD },
 316         { 0x86, 0x0d, KEY_STOP },
 317         { 0x86, 0x0e, KEY_PAUSE },
 318         { 0x86, 0x16, KEY_PLAY },
 319         { 0x86, 0x11, KEY_BACK },
 320         { 0x86, 0x19, KEY_FORWARD },
 321         { 0x86, 0x14, KEY_UNKNOWN }, /* pip */
 322         { 0x86, 0x15, KEY_ESC },
 323         { 0x86, 0x1a, KEY_UP },
 324         { 0x86, 0x1e, KEY_DOWN },
 325         { 0x86, 0x1f, KEY_LEFT },
 326         { 0x86, 0x1b, KEY_RIGHT },
 327 };
 328 EXPORT_SYMBOL(dibusb_rc_keys);
 329
 330 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 331 {
 332         u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
 333         dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 334         dvb_usb_nec_rc_key_to_event(d,key,event,state);
 335         if (key[0] != 0)
 336                 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
 337         return 0;
 338 }
 339 EXPORT_SYMBOL(dibusb_rc_query);