struct dvb_frontend *microtune_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap, u8 i2c_addr) { struct microtune_priv *priv = NULL; char *name; unsigned char buf[21]; int company_code; priv = kzalloc(sizeof(struct microtune_priv), GFP_KERNEL); if (priv == NULL) return NULL; fe->tuner_priv = priv; priv->i2c_props.addr = i2c_addr; priv->i2c_props.adap = i2c_adap; priv->i2c_props.name = "mt20xx"; //priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ memset(buf,0,sizeof(buf)); name = "unknown"; tuner_i2c_xfer_send(&priv->i2c_props,buf,1); tuner_i2c_xfer_recv(&priv->i2c_props,buf,21); if (debug) tuner_dbg("MT20xx hexdump: %*ph\n", 21, buf); company_code = buf[0x11] << 8 | buf[0x12]; tuner_info("microtune: companycode=%04x part=%02x rev=%02x\n", company_code,buf[0x13],buf[0x14]); if (buf[0x13] < ARRAY_SIZE(microtune_part) && NULL != microtune_part[buf[0x13]]) name = microtune_part[buf[0x13]]; switch (buf[0x13]) { case MT2032: mt2032_init(fe); break; case MT2050: mt2050_init(fe); break; default: tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n", name); return NULL; } strlcpy(fe->ops.tuner_ops.info.name, name, sizeof(fe->ops.tuner_ops.info.name)); tuner_info("microtune %s found, OK\n",name); return fe; }
int microtune_init(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); char *name; unsigned char buf[21]; int company_code; memset(buf,0,sizeof(buf)); t->tv_freq = NULL; t->radio_freq = NULL; t->standby = NULL; name = "unknown"; i2c_master_send(c,buf,1); i2c_master_recv(c,buf,21); if (tuner_debug) { int i; tuner_dbg("MT20xx hexdump:"); for(i=0;i<21;i++) { printk(" %02x",buf[i]); if(((i+1)%8)==0) printk(" "); } printk("\n"); } company_code = buf[0x11] << 8 | buf[0x12]; tuner_info("microtune: companycode=%04x part=%02x rev=%02x\n", company_code,buf[0x13],buf[0x14]); if (buf[0x13] < ARRAY_SIZE(microtune_part) && NULL != microtune_part[buf[0x13]]) name = microtune_part[buf[0x13]]; switch (buf[0x13]) { case MT2032: mt2032_init(c); break; case MT2050: mt2050_init(c); break; default: tuner_info("microtune %s found, not (yet?) supported, sorry :-/\n", name); return 0; } strlcpy(c->name, name, sizeof(c->name)); tuner_info("microtune %s found, OK\n",name); return 0; }