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 dib_fe_xfer_ops *ops = d->priv;
  25                 if (ops->fifo_ctrl != NULL)
  26                         if (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 dib_fe_xfer_ops *ops = d->priv;
  39                 if (d->pid_filtering && ops->pid_ctrl != NULL)
  40                         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 dib_fe_xfer_ops *ops = d->priv;
  50                 if (ops->pid_parse != NULL)
  51                         if (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 (down_interruptible(&d->i2c_sem) < 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         up(&d->i2c_sem);
 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 int dibusb_dib3000mc_frontend_attach(struct dvb_usb_device *d)
 172 {
 173         struct dib3000_config demod_cfg;
 174         struct dibusb_state *st = d->priv;
 175
 176         demod_cfg.pll_set = dvb_usb_pll_set_i2c;
 177         demod_cfg.pll_init = dvb_usb_pll_init_i2c;
 178
 179         for (demod_cfg.demod_address = 0x8; demod_cfg.demod_address < 0xd; demod_cfg.demod_address++)
 180                 if ((d->fe = dib3000mc_attach(&demod_cfg,&d->i2c_adap,&st->ops)) != NULL) {
 181                         d->tuner_pass_ctrl = st->ops.tuner_pass_ctrl;
 182                         return 0;
 183                 }
 184
 185         return -ENODEV;
 186 }
 187 EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach);
 188
 189 int dibusb_dib3000mc_tuner_attach (struct dvb_usb_device *d)
 190 {
 191         d->pll_addr = 0x60;
 192         d->pll_desc = &dvb_pll_env57h1xd5;
 193         return 0;
 194 }
 195 EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach);
 196
 197 /*
 198  * common remote control stuff
 199  */
 200 struct dvb_usb_rc_key dibusb_rc_keys[] = {
 201         /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */
 202         { 0x00, 0x16, KEY_POWER },
 203         { 0x00, 0x10, KEY_MUTE },
 204         { 0x00, 0x03, KEY_1 },
 205         { 0x00, 0x01, KEY_2 },
 206         { 0x00, 0x06, KEY_3 },
 207         { 0x00, 0x09, KEY_4 },
 208         { 0x00, 0x1d, KEY_5 },
 209         { 0x00, 0x1f, KEY_6 },
 210         { 0x00, 0x0d, KEY_7 },
 211         { 0x00, 0x19, KEY_8 },
 212         { 0x00, 0x1b, KEY_9 },
 213         { 0x00, 0x15, KEY_0 },
 214         { 0x00, 0x05, KEY_CHANNELUP },
 215         { 0x00, 0x02, KEY_CHANNELDOWN },
 216         { 0x00, 0x1e, KEY_VOLUMEUP },
 217         { 0x00, 0x0a, KEY_VOLUMEDOWN },
 218         { 0x00, 0x11, KEY_RECORD },
 219         { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
 220         { 0x00, 0x14, KEY_PLAY },
 221         { 0x00, 0x1a, KEY_STOP },
 222         { 0x00, 0x40, KEY_REWIND },
 223         { 0x00, 0x12, KEY_FASTFORWARD },
 224         { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
 225         { 0x00, 0x4c, KEY_PAUSE },
 226         { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
 227         { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
 228         /* additional keys TwinHan VisionPlus, the Artec seemingly not have */
 229         { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
 230         { 0x00, 0x1c, KEY_EPG }, /* EPG */
 231         { 0x00, 0x00, KEY_TAB }, /* Tab */
 232         { 0x00, 0x48, KEY_INFO }, /* Preview */
 233         { 0x00, 0x04, KEY_LIST }, /* RecordList */
 234         { 0x00, 0x0f, KEY_TEXT }, /* Teletext */
 235         /* Key codes for the KWorld/ADSTech/JetWay remote. */
 236         { 0x86, 0x12, KEY_POWER },
 237         { 0x86, 0x0f, KEY_SELECT }, /* source */
 238         { 0x86, 0x0c, KEY_UNKNOWN }, /* scan */
 239         { 0x86, 0x0b, KEY_EPG },
 240         { 0x86, 0x10, KEY_MUTE },
 241         { 0x86, 0x01, KEY_1 },
 242         { 0x86, 0x02, KEY_2 },
 243         { 0x86, 0x03, KEY_3 },
 244         { 0x86, 0x04, KEY_4 },
 245         { 0x86, 0x05, KEY_5 },
 246         { 0x86, 0x06, KEY_6 },
 247         { 0x86, 0x07, KEY_7 },
 248         { 0x86, 0x08, KEY_8 },
 249         { 0x86, 0x09, KEY_9 },
 250         { 0x86, 0x0a, KEY_0 },
 251         { 0x86, 0x18, KEY_ZOOM },
 252         { 0x86, 0x1c, KEY_UNKNOWN }, /* preview */
 253         { 0x86, 0x13, KEY_UNKNOWN }, /* snap */
 254         { 0x86, 0x00, KEY_UNDO },
 255         { 0x86, 0x1d, KEY_RECORD },
 256         { 0x86, 0x0d, KEY_STOP },
 257         { 0x86, 0x0e, KEY_PAUSE },
 258         { 0x86, 0x16, KEY_PLAY },
 259         { 0x86, 0x11, KEY_BACK },
 260         { 0x86, 0x19, KEY_FORWARD },
 261         { 0x86, 0x14, KEY_UNKNOWN }, /* pip */
 262         { 0x86, 0x15, KEY_ESC },
 263         { 0x86, 0x1a, KEY_UP },
 264         { 0x86, 0x1e, KEY_DOWN },
 265         { 0x86, 0x1f, KEY_LEFT },
 266         { 0x86, 0x1b, KEY_RIGHT },
 267 };
 268 EXPORT_SYMBOL(dibusb_rc_keys);
 269
 270 int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 271 {
 272         u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE;
 273         dvb_usb_generic_rw(d,&cmd,1,key,5,0);
 274         dvb_usb_nec_rc_key_to_event(d,key,event,state);
 275         if (key[0] != 0)
 276                 deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
 277         return 0;
 278 }
 279 EXPORT_SYMBOL(dibusb_rc_query);