static int rtl2832u_frontend_ctrl(struct dvb_frontend *fe, int onoff) { struct dvb_usb_device *d = fe_to_d(fe); struct dvb_usb_adapter *adap = fe_to_adap(fe); int ret; u8 val; dev_dbg(&d->udev->dev, "%s: fe=%d onoff=%d\n", __func__, fe->id, onoff); /* control internal demod ADC */ if (fe->id == 0 && onoff) val = 0x48; /* enable ADC */ else val = 0x00; /* disable ADC */ ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48); if (ret) goto err; /* bypass slave demod TS through master demod */ if (fe->id == 1 && onoff) { ret = rtl2832_enable_external_ts_if(adap->fe[0]); if (ret) goto err; } return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_tua9001_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) { int ret; u8 val; dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg); /* * CEN always enabled by hardware wiring * RESETN GPIO4 * RXEN GPIO1 */ switch (cmd) { case TUA9001_CMD_RESETN: if (arg) val = (1 << 4); else val = (0 << 4); ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x10); if (ret) goto err; break; case TUA9001_CMD_RXEN: if (arg) val = (1 << 1); else val = (0 << 1); ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02); if (ret) goto err; break; } return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); if (onoff) { /* GPIO3=1, GPIO4=0 */ ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18); if (ret) goto err; /* suspend? */ ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10); if (ret) goto err; /* enable PLL */ ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80); if (ret) goto err; /* disable reset */ ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20); if (ret) goto err; /* streaming EP: clear stall & reset */ ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2); if (ret) goto err; ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81)); if (ret) goto err; } else { /* GPIO4=1 */ ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10); if (ret) goto err; /* disable PLL */ ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80); if (ret) goto err; /* streaming EP: set stall & reset */ ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2); if (ret) goto err; } return ret; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; struct dvb_usb_device *d = adap_to_d(adap); struct rtl28xxu_priv *priv = d_to_priv(d); struct dvb_frontend *fe; dev_dbg(&d->udev->dev, "%s:\n", __func__); switch (priv->tuner) { case TUNER_RTL2832_FC0012: fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_fc0012_config); /* since fc0012 includs reading the signal strength delegate * that to the tuner driver */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; return 0; break; case TUNER_RTL2832_FC0013: fe = dvb_attach(fc0013_attach, adap->fe[0], &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); /* fc0013 also supports signal strength reading */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; return 0; case TUNER_RTL2832_E4000: fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_e4000_config); break; case TUNER_RTL2832_FC2580: fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_fc2580_config); break; case TUNER_RTL2832_TUA9001: /* enable GPIO1 and GPIO4 as output */ ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); if (ret) goto err; ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12); if (ret) goto err; fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_tua9001_config); break; case TUNER_RTL2832_R820T: fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_r820t_config); /* Use tuner to get the signal strength */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; break; default: fe = NULL; dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, priv->tuner); } if (fe == NULL) { ret = -ENODEV; goto err; } return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_read_config(struct dvb_usb_device *d) { struct rtl28xxu_priv *priv = d_to_priv(d); int ret; u8 buf[2]; /* open RTL2832U/RTL2832 I2C gate */ struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"}; /* close RTL2832U/RTL2832 I2C gate */ struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"}; /* tuner probes */ struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf}; struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf}; struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf}; struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf}; dev_dbg(&d->udev->dev, "%s:\n", __func__); /* enable GPIO3 and GPIO6 as output */ ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40); if (ret) goto err; ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48); if (ret) goto err; /* * Probe used tuner. We need to know used tuner before demod attach * since there is some demod params needed to set according to tuner. */ /* open demod I2C gate */ ret = rtl28xxu_ctrl_msg(d, &req_gate_open); if (ret) goto err; priv->tuner_name = "NONE"; /* check FC0012 ID register; reg=00 val=a1 */ ret = rtl28xxu_ctrl_msg(d, &req_fc0012); if (ret == 0 && buf[0] == 0xa1) { priv->tuner = TUNER_RTL2832_FC0012; priv->tuner_name = "FC0012"; goto found; } /* check FC0013 ID register; reg=00 val=a3 */ ret = rtl28xxu_ctrl_msg(d, &req_fc0013); if (ret == 0 && buf[0] == 0xa3) { priv->tuner = TUNER_RTL2832_FC0013; priv->tuner_name = "FC0013"; goto found; } /* check MT2266 ID register; reg=00 val=85 */ ret = rtl28xxu_ctrl_msg(d, &req_mt2266); if (ret == 0 && buf[0] == 0x85) { priv->tuner = TUNER_RTL2832_MT2266; priv->tuner_name = "MT2266"; goto found; } /* check FC2580 ID register; reg=01 val=56 */ ret = rtl28xxu_ctrl_msg(d, &req_fc2580); if (ret == 0 && buf[0] == 0x56) { priv->tuner = TUNER_RTL2832_FC2580; priv->tuner_name = "FC2580"; goto found; } /* check MT2063 ID register; reg=00 val=9e || 9c */ ret = rtl28xxu_ctrl_msg(d, &req_mt2063); if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) { priv->tuner = TUNER_RTL2832_MT2063; priv->tuner_name = "MT2063"; goto found; } /* check MAX3543 ID register; reg=00 val=38 */ ret = rtl28xxu_ctrl_msg(d, &req_max3543); if (ret == 0 && buf[0] == 0x38) { priv->tuner = TUNER_RTL2832_MAX3543; priv->tuner_name = "MAX3543"; goto found; } /* check TUA9001 ID register; reg=7e val=2328 */ ret = rtl28xxu_ctrl_msg(d, &req_tua9001); if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) { priv->tuner = TUNER_RTL2832_TUA9001; priv->tuner_name = "TUA9001"; goto found; } /* check MXL5007R ID register; reg=d9 val=14 */ ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t); if (ret == 0 && buf[0] == 0x14) { priv->tuner = TUNER_RTL2832_MXL5007T; priv->tuner_name = "MXL5007T"; goto found; } /* check E4000 ID register; reg=02 val=40 */ ret = rtl28xxu_ctrl_msg(d, &req_e4000); if (ret == 0 && buf[0] == 0x40) { priv->tuner = TUNER_RTL2832_E4000; priv->tuner_name = "E4000"; goto found; } /* check TDA18272 ID register; reg=00 val=c760 */ ret = rtl28xxu_ctrl_msg(d, &req_tda18272); if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) { priv->tuner = TUNER_RTL2832_TDA18272; priv->tuner_name = "TDA18272"; goto found; } /* check R820T ID register; reg=00 val=69 */ ret = rtl28xxu_ctrl_msg(d, &req_r820t); if (ret == 0 && buf[0] == 0x69) { priv->tuner = TUNER_RTL2832_R820T; priv->tuner_name = "R820T"; goto found; } found: dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); /* close demod I2C gate */ ret = rtl28xxu_ctrl_msg(d, &req_gate_close); if (ret < 0) goto err; return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_rc_query(struct dvb_usb_device *d) { int ret, i, len; struct rtl28xxu_priv *priv = d->priv; struct ir_raw_event ev; u8 buf[128]; static const struct rtl28xxu_reg_val_mask refresh_tab[] = { {IR_RX_IF, 0x03, 0xff}, {IR_RX_BUF_CTRL, 0x80, 0xff}, {IR_RX_CTRL, 0x80, 0xff}, }; /* init remote controller */ if (!priv->rc_active) { static const struct rtl28xxu_reg_val_mask init_tab[] = { {SYS_DEMOD_CTL1, 0x00, 0x04}, {SYS_DEMOD_CTL1, 0x00, 0x08}, {USB_CTRL, 0x20, 0x20}, {SYS_GPIO_DIR, 0x00, 0x08}, {SYS_GPIO_OUT_EN, 0x08, 0x08}, {SYS_GPIO_OUT_VAL, 0x08, 0x08}, {IR_MAX_DURATION0, 0xd0, 0xff}, {IR_MAX_DURATION1, 0x07, 0xff}, {IR_IDLE_LEN0, 0xc0, 0xff}, {IR_IDLE_LEN1, 0x00, 0xff}, {IR_GLITCH_LEN, 0x03, 0xff}, {IR_RX_CLK, 0x09, 0xff}, {IR_RX_CFG, 0x1c, 0xff}, {IR_MAX_H_TOL_LEN, 0x1e, 0xff}, {IR_MAX_L_TOL_LEN, 0x1e, 0xff}, {IR_RX_CTRL, 0x80, 0xff}, }; for (i = 0; i < ARRAY_SIZE(init_tab); i++) { ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg, init_tab[i].val, init_tab[i].mask); if (ret) goto err; } priv->rc_active = true; } ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]); if (ret) goto err; if (buf[0] != 0x83) goto exit; ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]); if (ret) goto err; len = buf[0]; /* read raw code from hw */ ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len); if (ret) goto err; /* let hw receive new code */ for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) { ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg, refresh_tab[i].val, refresh_tab[i].mask); if (ret) goto err; } /* pass data to Kernel IR decoder */ init_ir_raw_event(&ev); for (i = 0; i < len; i++) { ev.pulse = buf[i] >> 7; ev.duration = 50800 * (buf[i] & 0x7f); ir_raw_event_store_with_filter(d->rc_dev, &ev); } /* 'flush' ir_raw_event_store_with_filter() */ ir_raw_event_set_idle(d->rc_dev, true); ir_raw_event_handle(d->rc_dev); exit: return ret; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }
static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; struct dvb_usb_device *d = adap_to_d(adap); struct rtl28xxu_priv *priv = d_to_priv(d); struct dvb_frontend *fe = NULL; struct i2c_board_info info; struct i2c_client *client; dev_dbg(&d->udev->dev, "%s:\n", __func__); memset(&info, 0, sizeof(struct i2c_board_info)); switch (priv->tuner) { case TUNER_RTL2832_FC0012: fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_fc0012_config); /* since fc0012 includs reading the signal strength delegate * that to the tuner driver */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_fc0012_config, NULL); break; case TUNER_RTL2832_FC0013: fe = dvb_attach(fc0013_attach, adap->fe[0], &d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); /* fc0013 also supports signal strength reading */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_fc0013_config, NULL); break; case TUNER_RTL2832_E4000: { struct v4l2_subdev *sd; struct i2c_adapter *i2c_adap_internal = rtl2832_get_private_i2c_adapter(adap->fe[0]); struct e4000_config e4000_config = { .fe = adap->fe[0], .clock = 28800000, }; strlcpy(info.type, "e4000", I2C_NAME_SIZE); info.addr = 0x64; info.platform_data = &e4000_config; request_module(info.type); client = i2c_new_device(priv->demod_i2c_adapter, &info); if (client == NULL || client->dev.driver == NULL) break; if (!try_module_get(client->dev.driver->owner)) { i2c_unregister_device(client); break; } priv->i2c_client_tuner = client; sd = i2c_get_clientdata(client); i2c_set_adapdata(i2c_adap_internal, d); /* attach SDR */ dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], i2c_adap_internal, &rtl28xxu_rtl2832_e4000_config, sd); } break; case TUNER_RTL2832_FC2580: fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_fc2580_config); break; case TUNER_RTL2832_TUA9001: /* enable GPIO1 and GPIO4 as output */ ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12); if (ret) goto err; ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12); if (ret) goto err; fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_tua9001_config); break; case TUNER_RTL2832_R820T: fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, &rtl2832u_r820t_config); /* Use tuner to get the signal strength */ adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; /* attach SDR */ dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_r820t_config, NULL); break; case TUNER_RTL2832_R828D: fe = dvb_attach(r820t_attach, adap->fe[0], priv->demod_i2c_adapter, &rtl2832u_r828d_config); adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; if (adap->fe[1]) { fe = dvb_attach(r820t_attach, adap->fe[1], priv->demod_i2c_adapter, &rtl2832u_r828d_config); adap->fe[1]->ops.read_signal_strength = adap->fe[1]->ops.tuner_ops.get_rf_strength; } /* attach SDR */ dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap, &rtl28xxu_rtl2832_r820t_config, NULL); break; default: dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, priv->tuner); } if (fe == NULL && priv->i2c_client_tuner == NULL) { ret = -ENODEV; goto err; } return 0; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_tuner_detach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); struct rtl28xxu_priv *priv = d_to_priv(d); struct i2c_client *client; dev_dbg(&d->udev->dev, "%s:\n", __func__); /* remove I2C tuner */ client = priv->i2c_client_tuner; if (client) { module_put(client->dev.driver->owner); i2c_unregister_device(client); } return 0; } static int rtl28xxu_init(struct dvb_usb_device *d) { int ret; u8 val; dev_dbg(&d->udev->dev, "%s:\n", __func__); /* init USB endpoints */ ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val); if (ret) goto err; /* enable DMA and Full Packet Mode*/ val |= 0x09; ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val); if (ret) goto err; /* set EPA maximum packet size to 0x0200 */ ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4); if (ret) goto err; /* change EPA FIFO length */ ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4); if (ret) goto err; return ret; err: dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); return ret; }