/* * Realtek RTL28xxU DVB USB driver * * Copyright (C) 2009 Antti Palosaari * Copyright (C) 2011 Antti Palosaari * Copyright (C) 2012 Thomas Mair * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "rtl28xxu.h" #include "rtl2830.h" #include "rtl2832.h" #include "qt1010.h" #include "mt2060.h" #include "mxl5005s.h" #include "fc0012.h" #include "fc0013.h" /* debug */ static int dvb_usb_rtl28xxu_debug; module_param_named(debug, dvb_usb_rtl28xxu_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req) { int ret; unsigned int pipe; u8 requesttype; u8 *buf; buf = kmalloc(req->size, GFP_KERNEL); if (!buf) { ret = -ENOMEM; goto err; } if (req->index & CMD_WR_FLAG) { /* write */ memcpy(buf, req->data, req->size); requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); pipe = usb_sndctrlpipe(d->udev, 0); } else { /* read */ requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); pipe = usb_rcvctrlpipe(d->udev, 0); } ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value, req->index, buf, req->size, 1000); if (ret > 0) ret = 0; deb_dump(0, requesttype, req->value, req->index, buf, req->size, deb_xfer); /* read request, copy returned data to return buf */ if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) memcpy(req->data, buf, req->size); kfree(buf); if (ret) goto err; return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) { struct rtl28xxu_req req; if (reg < 0x3000) req.index = CMD_USB_WR; else if (reg < 0x4000) req.index = CMD_SYS_WR; else req.index = CMD_IR_WR; req.value = reg; req.size = len; req.data = val; return rtl28xxu_ctrl_msg(d, &req); } static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len) { struct rtl28xxu_req req; if (reg < 0x3000) req.index = CMD_USB_RD; else if (reg < 0x4000) req.index = CMD_SYS_RD; else req.index = CMD_IR_RD; req.value = reg; req.size = len; req.data = val; return rtl28xxu_ctrl_msg(d, &req); } static int rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val) { return rtl28xx_wr_regs(d, reg, &val, 1); } static int rtl28xx_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val) { return rtl2831_rd_regs(d, reg, val, 1); } /* I2C */ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { int ret; struct dvb_usb_device *d = i2c_get_adapdata(adap); struct rtl28xxu_priv *priv = d->priv; struct rtl28xxu_req req; /* * It is not known which are real I2C bus xfer limits, but testing * with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes. * TODO: find out RTL2832U lens */ /* * I2C adapter logic looks rather complicated due to fact it handles * three different access methods. Those methods are; * 1) integrated demod access * 2) old I2C access * 3) new I2C access * * Used method is selected in order 1, 2, 3. Method 3 can handle all * requests but there is two reasons why not use it always; * 1) It is most expensive, usually two USB messages are needed * 2) At least RTL2831U does not support it * * Method 3 is needed in case of I2C write+read (typical register read) * where write is more than one byte. */ if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EAGAIN; if (num == 2 && !(msg[0].flags & I2C_M_RD) && (msg[1].flags & I2C_M_RD)) { if (msg[0].len > 24 || msg[1].len > 24) { /* TODO: check msg[0].len max */ ret = -EOPNOTSUPP; goto err_mutex_unlock; } else if (msg[0].addr == 0x10) { /* method 1 - integrated demod */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_DEMOD_RD | priv->page; req.size = msg[1].len; req.data = &msg[1].buf[0]; ret = rtl28xxu_ctrl_msg(d, &req); } else if (msg[0].len < 2) { /* method 2 - old I2C */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_I2C_RD; req.size = msg[1].len; req.data = &msg[1].buf[0]; ret = rtl28xxu_ctrl_msg(d, &req); } else { /* method 3 - new I2C */ req.value = (msg[0].addr << 1); req.index = CMD_I2C_DA_WR; req.size = msg[0].len; req.data = msg[0].buf; ret = rtl28xxu_ctrl_msg(d, &req); if (ret) goto err_mutex_unlock; req.value = (msg[0].addr << 1); req.index = CMD_I2C_DA_RD; req.size = msg[1].len; req.data = msg[1].buf; ret = rtl28xxu_ctrl_msg(d, &req); } } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { if (msg[0].len > 22) { /* TODO: check msg[0].len max */ ret = -EOPNOTSUPP; goto err_mutex_unlock; } else if (msg[0].addr == 0x10) { /* method 1 - integrated demod */ if (msg[0].buf[0] == 0x00) { /* save demod page for later demod access */ priv->page = msg[0].buf[1]; ret = 0; } else { req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_DEMOD_WR | priv->page; req.size = msg[0].len-1; req.data = &msg[0].buf[1]; ret = rtl28xxu_ctrl_msg(d, &req); } } else if (msg[0].len < 23) { /* method 2 - old I2C */ req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1); req.index = CMD_I2C_WR; req.size = msg[0].len-1; req.data = &msg[0].buf[1]; ret = rtl28xxu_ctrl_msg(d, &req); } else { /* method 3 - new I2C */ req.value = (msg[0].addr << 1); req.index = CMD_I2C_DA_WR; req.size = msg[0].len; req.data = msg[0].buf; ret = rtl28xxu_ctrl_msg(d, &req); } } else { ret = -EINVAL; } err_mutex_unlock: mutex_unlock(&d->i2c_mutex); return ret ? ret : num; } static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } static struct i2c_algorithm rtl28xxu_i2c_algo = { .master_xfer = rtl28xxu_i2c_xfer, .functionality = rtl28xxu_i2c_func, }; static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = { .i2c_addr = 0x10, /* 0x20 */ .xtal = 28800000, .ts_mode = 0, .spec_inv = 1, .if_dvbt = 36150000, .vtop = 0x20, .krf = 0x04, .agc_targ_val = 0x2d, }; static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = { .i2c_addr = 0x10, /* 0x20 */ .xtal = 28800000, .ts_mode = 0, .spec_inv = 1, .if_dvbt = 36125000, .vtop = 0x20, .krf = 0x04, .agc_targ_val = 0x2d, }; static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = { .i2c_addr = 0x10, /* 0x20 */ .xtal = 28800000, .ts_mode = 0, .spec_inv = 0, .if_dvbt = 4570000, .vtop = 0x3f, .krf = 0x04, .agc_targ_val = 0x3e, }; static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap) { int ret; struct rtl28xxu_priv *priv = adap->dev->priv; u8 buf[1]; struct rtl2830_config *rtl2830_config; /* open RTL2831U/RTL2830 I2C gate */ struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" }; /* for MT2060 tuner probe */ struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf }; /* for QT1010 tuner probe */ struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf }; deb_info("%s:\n", __func__); /* * RTL2831U GPIOs * ========================================================= * GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?) * GPIO2 | LED | 0 off | 1 on | * GPIO4 | tuner#1 | 0 on | 1 off | MT2060 */ /* GPIO direction */ ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a); if (ret) goto err; /* enable as output GPIO0, GPIO2, GPIO4 */ ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15); 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. */ /* demod needs some time to wake up */ msleep(20); /* open demod I2C gate */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate); if (ret) goto err; /* check QT1010 ID(?) register; reg=0f val=2c */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_qt1010); if (ret == 0 && buf[0] == 0x2c) { priv->tuner = TUNER_RTL2830_QT1010; rtl2830_config = &rtl28xxu_rtl2830_qt1010_config; deb_info("%s: QT1010\n", __func__); goto found; } else { deb_info("%s: QT1010 probe failed=%d - %02x\n", __func__, ret, buf[0]); } /* open demod I2C gate */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate); if (ret) goto err; /* check MT2060 ID register; reg=00 val=63 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2060); if (ret == 0 && buf[0] == 0x63) { priv->tuner = TUNER_RTL2830_MT2060; rtl2830_config = &rtl28xxu_rtl2830_mt2060_config; deb_info("%s: MT2060\n", __func__); goto found; } else { deb_info("%s: MT2060 probe failed=%d - %02x\n", __func__, ret, buf[0]); } /* assume MXL5005S */ ret = 0; priv->tuner = TUNER_RTL2830_MXL5005S; rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config; deb_info("%s: MXL5005S\n", __func__); goto found; found: /* attach demodulator */ adap->fe_adap[0].fe = dvb_attach(rtl2830_attach, rtl2830_config, &adap->dev->i2c_adap); if (adap->fe_adap[0].fe == NULL) { ret = -ENODEV; goto err; } return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = { .i2c_addr = 0x10, /* 0x20 */ .xtal = 28800000, .if_dvbt = 0, .tuner = TUNER_RTL2832_FC0012 }; static struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = { .i2c_addr = 0x10, /* 0x20 */ .xtal = 28800000, .if_dvbt = 0, .tuner = TUNER_RTL2832_FC0013 }; static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) { int ret; u8 val; deb_info("%s cmd=%d arg=%d\n", __func__, cmd, arg); switch (cmd) { case FC_FE_CALLBACK_VHF_ENABLE: /* set output values */ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); if (ret) goto err; if (arg) val &= 0xbf; /* set GPIO6 low */ else val |= 0x40; /* set GPIO6 high */ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); if (ret) goto err; break; default: ret = -EINVAL; goto err; } return 0; err: err("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_fc0013_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) { /* TODO implement*/ return 0; } static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg) { struct rtl28xxu_priv *priv = d->priv; switch (priv->tuner) { case TUNER_RTL2832_FC0012: return rtl2832u_fc0012_tuner_callback(d, cmd, arg); case TUNER_RTL2832_FC0013: return rtl2832u_fc0013_tuner_callback(d, cmd, arg); default: break; } return -ENODEV; } static int rtl2832u_frontend_callback(void *adapter_priv, int component, int cmd, int arg) { struct i2c_adapter *adap = adapter_priv; struct dvb_usb_device *d = i2c_get_adapdata(adap); switch (component) { case DVB_FRONTEND_COMPONENT_TUNER: return rtl2832u_tuner_callback(d, cmd, arg); default: break; } return -EINVAL; } static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) { int ret; struct rtl28xxu_priv *priv = adap->dev->priv; struct rtl2832_config *rtl2832_config; u8 buf[2], val; /* 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"}; /* for FC0012 tuner probe */ struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf}; /* for FC0013 tuner probe */ struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf}; /* for MT2266 tuner probe */ struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf}; /* for FC2580 tuner probe */ struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; /* for MT2063 tuner probe */ struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf}; /* for MAX3543 tuner probe */ struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf}; /* for TUA9001 tuner probe */ struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf}; /* for MXL5007T tuner probe */ struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf}; /* for E4000 tuner probe */ struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf}; /* for TDA18272 tuner probe */ struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf}; deb_info("%s:\n", __func__); ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_DIR, &val); if (ret) goto err; val &= 0xbf; ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_DIR, val); if (ret) goto err; /* enable as output GPIO3 and GPIO6*/ ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_OUT_EN, &val); if (ret) goto err; val |= 0x48; ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_EN, val); 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(adap->dev, &req_gate_open); if (ret) goto err; priv->tuner = TUNER_NONE; /* check FC0012 ID register; reg=00 val=a1 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc0012); if (ret == 0 && buf[0] == 0xa1) { priv->tuner = TUNER_RTL2832_FC0012; rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; info("%s: FC0012 tuner found", __func__); goto found; } /* check FC0013 ID register; reg=00 val=a3 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc0013); if (ret == 0 && buf[0] == 0xa3) { priv->tuner = TUNER_RTL2832_FC0013; rtl2832_config = &rtl28xxu_rtl2832_fc0013_config; info("%s: FC0013 tuner found", __func__); goto found; } /* check MT2266 ID register; reg=00 val=85 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2266); if (ret == 0 && buf[0] == 0x85) { priv->tuner = TUNER_RTL2832_MT2266; /* TODO implement tuner */ info("%s: MT2266 tuner found", __func__); goto unsupported; } /* check FC2580 ID register; reg=01 val=56 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc2580); if (ret == 0 && buf[0] == 0x56) { priv->tuner = TUNER_RTL2832_FC2580; /* TODO implement tuner */ info("%s: FC2580 tuner found", __func__); goto unsupported; } /* check MT2063 ID register; reg=00 val=9e || 9c */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2063); if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) { priv->tuner = TUNER_RTL2832_MT2063; /* TODO implement tuner */ info("%s: MT2063 tuner found", __func__); goto unsupported; } /* check MAX3543 ID register; reg=00 val=38 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_max3543); if (ret == 0 && buf[0] == 0x38) { priv->tuner = TUNER_RTL2832_MAX3543; /* TODO implement tuner */ info("%s: MAX3534 tuner found", __func__); goto unsupported; } /* check TUA9001 ID register; reg=7e val=2328 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_tua9001); if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) { priv->tuner = TUNER_RTL2832_TUA9001; /* TODO implement tuner */ info("%s: TUA9001 tuner found", __func__); goto unsupported; } /* check MXL5007R ID register; reg=d9 val=14 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_mxl5007t); if (ret == 0 && buf[0] == 0x14) { priv->tuner = TUNER_RTL2832_MXL5007T; /* TODO implement tuner */ info("%s: MXL5007T tuner found", __func__); goto unsupported; } /* check E4000 ID register; reg=02 val=40 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_e4000); if (ret == 0 && buf[0] == 0x40) { priv->tuner = TUNER_RTL2832_E4000; /* TODO implement tuner */ info("%s: E4000 tuner found", __func__); goto unsupported; } /* check TDA18272 ID register; reg=00 val=c760 */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_tda18272); if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) { priv->tuner = TUNER_RTL2832_TDA18272; /* TODO implement tuner */ info("%s: TDA18272 tuner found", __func__); goto unsupported; } unsupported: /* close demod I2C gate */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close); if (ret) goto err; /* tuner not found */ deb_info("No compatible tuner found"); ret = -ENODEV; return ret; found: /* close demod I2C gate */ ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close); if (ret) goto err; /* attach demodulator */ adap->fe_adap[0].fe = dvb_attach(rtl2832_attach, rtl2832_config, &adap->dev->i2c_adap); if (adap->fe_adap[0].fe == NULL) { ret = -ENODEV; goto err; } /* set fe callbacks */ adap->fe_adap[0].fe->callback = rtl2832u_frontend_callback; return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static struct qt1010_config rtl28xxu_qt1010_config = { .i2c_address = 0x62, /* 0xc4 */ }; static struct mt2060_config rtl28xxu_mt2060_config = { .i2c_address = 0x60, /* 0xc0 */ .clock_out = 0, }; static struct mxl5005s_config rtl28xxu_mxl5005s_config = { .i2c_address = 0x63, /* 0xc6 */ .if_freq = IF_FREQ_4570000HZ, .xtal_freq = CRYSTAL_FREQ_16000000HZ, .agc_mode = MXL_SINGLE_AGC, .tracking_filter = MXL_TF_C_H, .rssi_enable = MXL_RSSI_ENABLE, .cap_select = MXL_CAP_SEL_ENABLE, .div_out = MXL_DIV_OUT_4, .clock_out = MXL_CLOCK_OUT_DISABLE, .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, .top = MXL5005S_TOP_25P2, .mod_mode = MXL_DIGITAL_MODE, .if_mode = MXL_ZERO_IF, .AgcMasterByte = 0x00, }; static int rtl2831u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; struct rtl28xxu_priv *priv = adap->dev->priv; struct i2c_adapter *rtl2830_tuner_i2c; struct dvb_frontend *fe; deb_info("%s:\n", __func__); /* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */ rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe_adap[0].fe); switch (priv->tuner) { case TUNER_RTL2830_QT1010: fe = dvb_attach(qt1010_attach, adap->fe_adap[0].fe, rtl2830_tuner_i2c, &rtl28xxu_qt1010_config); break; case TUNER_RTL2830_MT2060: fe = dvb_attach(mt2060_attach, adap->fe_adap[0].fe, rtl2830_tuner_i2c, &rtl28xxu_mt2060_config, 1220); break; case TUNER_RTL2830_MXL5005S: fe = dvb_attach(mxl5005s_attach, adap->fe_adap[0].fe, rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config); break; default: fe = NULL; err("unknown tuner=%d", priv->tuner); } if (fe == NULL) { ret = -ENODEV; goto err; } return 0; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; struct rtl28xxu_priv *priv = adap->dev->priv; struct dvb_frontend *fe; deb_info("%s:\n", __func__); switch (priv->tuner) { case TUNER_RTL2832_FC0012: fe = dvb_attach(fc0012_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); /* since fc0012 includs reading the signal strength delegate * that to the tuner driver */ adap->fe_adap[0].fe->ops.read_signal_strength = adap->fe_adap[0]. fe->ops.tuner_ops.get_rf_strength; return 0; break; case TUNER_RTL2832_FC0013: fe = dvb_attach(fc0013_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ); /* fc0013 also supports signal strength reading */ adap->fe_adap[0].fe->ops.read_signal_strength = adap->fe_adap[0] .fe->ops.tuner_ops.get_rf_strength; return 0; default: fe = NULL; err("unknown tuner=%d", priv->tuner); } if (fe == NULL) { ret = -ENODEV; goto err; } return 0; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2831u_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff) { int ret; u8 buf[2], gpio; deb_info("%s: onoff=%d\n", __func__, onoff); ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_OUT_VAL, &gpio); if (ret) goto err; if (onoff) { buf[0] = 0x00; buf[1] = 0x00; gpio |= 0x04; /* LED on */ } else { buf[0] = 0x10; /* stall EPA */ buf[1] = 0x02; /* reset EPA */ gpio &= (~0x04); /* LED off */ } ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_VAL, gpio); if (ret) goto err; ret = rtl28xx_wr_regs(adap->dev, USB_EPA_CTL, buf, 2); if (ret) goto err; return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff) { int ret; u8 buf[2]; deb_info("%s: onoff=%d\n", __func__, onoff); if (onoff) { buf[0] = 0x00; buf[1] = 0x00; } else { buf[0] = 0x10; /* stall EPA */ buf[1] = 0x02; /* reset EPA */ } ret = rtl28xx_wr_regs(adap->dev, USB_EPA_CTL, buf, 2); if (ret) goto err; return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; u8 gpio, sys0; deb_info("%s: onoff=%d\n", __func__, onoff); /* demod adc */ ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0); if (ret) goto err; /* tuner power, read GPIOs */ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio); if (ret) goto err; deb_info("%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, sys0, gpio); if (onoff) { gpio |= 0x01; /* GPIO0 = 1 */ gpio &= (~0x10); /* GPIO4 = 0 */ sys0 = sys0 & 0x0f; sys0 |= 0xe0; } else { gpio &= (~0x01); /* GPIO0 = 0 */ gpio |= 0x10; /* GPIO4 = 1 */ sys0 = sys0 & (~0xc0); } deb_info("%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__, sys0, gpio); /* demod adc */ ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0); if (ret) goto err; /* tuner power, write GPIOs */ ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio); if (ret) goto err; return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; u8 val; deb_info("%s: onoff=%d\n", __func__, onoff); if (onoff) { /* set output values */ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); if (ret) goto err; val |= 0x08; val &= 0xef; ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); if (ret) goto err; /* demod_ctl_1 */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val); if (ret) goto err; val &= 0xef; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val); if (ret) goto err; /* demod control */ /* PLL enable */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); if (ret) goto err; /* bit 7 to 1 */ val |= 0x80; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); if (ret) goto err; /* demod HW reset */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); if (ret) goto err; /* bit 5 to 0 */ val &= 0xdf; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); if (ret) goto err; ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); if (ret) goto err; val |= 0x20; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); if (ret) goto err; mdelay(5); /*enable ADC_Q and ADC_I */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); if (ret) goto err; val |= 0x48; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); if (ret) goto err; } else { /* demod_ctl_1 */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL1, &val); if (ret) goto err; val |= 0x0c; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL1, val); if (ret) goto err; /* set output values */ ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val); if (ret) goto err; val |= 0x10; ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val); if (ret) goto err; /* demod control */ ret = rtl28xx_rd_reg(d, SYS_DEMOD_CTL, &val); if (ret) goto err; val &= 0x37; ret = rtl28xx_wr_reg(d, SYS_DEMOD_CTL, val); if (ret) goto err; } return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2831u_rc_query(struct dvb_usb_device *d) { int ret, i; struct rtl28xxu_priv *priv = d->priv; u8 buf[5]; u32 rc_code; struct rtl28xxu_reg_val rc_nec_tab[] = { { 0x3033, 0x80 }, { 0x3020, 0x43 }, { 0x3021, 0x16 }, { 0x3022, 0x16 }, { 0x3023, 0x5a }, { 0x3024, 0x2d }, { 0x3025, 0x16 }, { 0x3026, 0x01 }, { 0x3028, 0xb0 }, { 0x3029, 0x04 }, { 0x302c, 0x88 }, { 0x302e, 0x13 }, { 0x3030, 0xdf }, { 0x3031, 0x05 }, }; /* init remote controller */ if (!priv->rc_active) { for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) { ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg, rc_nec_tab[i].val); if (ret) goto err; } priv->rc_active = true; } ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5); if (ret) goto err; if (buf[4] & 0x01) { if (buf[2] == (u8) ~buf[3]) { if (buf[0] == (u8) ~buf[1]) { /* NEC standard (16 bit) */ rc_code = buf[0] << 8 | buf[2]; } else { /* NEC extended (24 bit) */ rc_code = buf[0] << 16 | buf[1] << 8 | buf[2]; } } else { /* NEC full (32 bit) */ rc_code = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]; } rc_keydown(d->rc_dev, rc_code, 0); ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); if (ret) goto err; /* repeated intentionally to avoid extra keypress */ ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1); if (ret) goto err; } return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static int rtl2832u_rc_query(struct dvb_usb_device *d) { int ret, i; struct rtl28xxu_priv *priv = d->priv; u8 buf[128]; int len; struct rtl28xxu_reg_val rc_nec_tab[] = { { IR_RX_CTRL, 0x20 }, { IR_RX_BUF_CTRL, 0x80 }, { IR_RX_IF, 0xff }, { IR_RX_IE, 0xff }, { IR_MAX_DURATION0, 0xd0 }, { IR_MAX_DURATION1, 0x07 }, { IR_IDLE_LEN0, 0xc0 }, { IR_IDLE_LEN1, 0x00 }, { IR_GLITCH_LEN, 0x03 }, { IR_RX_CLK, 0x09 }, { IR_RX_CFG, 0x1c }, { IR_MAX_H_TOL_LEN, 0x1e }, { IR_MAX_L_TOL_LEN, 0x1e }, { IR_RX_CTRL, 0x80 }, }; /* init remote controller */ if (!priv->rc_active) { for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) { ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg, rc_nec_tab[i].val); 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]; ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len); /* TODO: pass raw IR to Kernel IR decoder */ ret = rtl28xx_wr_reg(d, IR_RX_IF, 0x03); ret = rtl28xx_wr_reg(d, IR_RX_BUF_CTRL, 0x80); ret = rtl28xx_wr_reg(d, IR_RX_CTRL, 0x80); exit: return ret; err: deb_info("%s: failed=%d\n", __func__, ret); return ret; } enum rtl28xxu_usb_table_entry { RTL2831U_0BDA_2831, RTL2831U_14AA_0160, RTL2831U_14AA_0161, RTL2832U_0CCD_00A9, RTL2832U_1F4D_B803, RTL2832U_0CCD_00B3, }; static struct usb_device_id rtl28xxu_table[] = { /* RTL2831U */ [RTL2831U_0BDA_2831] = { USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U)}, [RTL2831U_14AA_0160] = { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT)}, [RTL2831U_14AA_0161] = { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2)}, /* RTL2832U */ [RTL2832U_0CCD_00A9] = { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1)}, [RTL2832U_1F4D_B803] = { USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT)}, [RTL2832U_0CCD_00B3] = { USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK)}, {} /* terminating entry */ }; MODULE_DEVICE_TABLE(usb, rtl28xxu_table); static struct dvb_usb_device_properties rtl28xxu_properties[] = { { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, .no_reconnect = 1, .size_of_priv = sizeof(struct rtl28xxu_priv), .num_adapters = 1, .adapter = { { .num_frontends = 1, .fe = { { .frontend_attach = rtl2831u_frontend_attach, .tuner_attach = rtl2831u_tuner_attach, .streaming_ctrl = rtl2831u_streaming_ctrl, .stream = { .type = USB_BULK, .count = 6, .endpoint = 0x81, .u = { .bulk = { .buffersize = 8*512, } } } } } } }, .power_ctrl = rtl2831u_power_ctrl, .rc.core = { .protocol = RC_TYPE_NEC, .module_name = "rtl28xxu", .rc_query = rtl2831u_rc_query, .rc_interval = 400, .allowed_protos = RC_TYPE_NEC, .rc_codes = RC_MAP_EMPTY, }, .i2c_algo = &rtl28xxu_i2c_algo, .num_device_descs = 2, .devices = { { .name = "Realtek RTL2831U reference design", .warm_ids = { &rtl28xxu_table[RTL2831U_0BDA_2831], }, }, { .name = "Freecom USB2.0 DVB-T", .warm_ids = { &rtl28xxu_table[RTL2831U_14AA_0160], &rtl28xxu_table[RTL2831U_14AA_0161], }, }, } }, { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, .no_reconnect = 1, .size_of_priv = sizeof(struct rtl28xxu_priv), .num_adapters = 1, .adapter = { { .num_frontends = 1, .fe = { { .frontend_attach = rtl2832u_frontend_attach, .tuner_attach = rtl2832u_tuner_attach, .streaming_ctrl = rtl2832u_streaming_ctrl, .stream = { .type = USB_BULK, .count = 6, .endpoint = 0x81, .u = { .bulk = { .buffersize = 8*512, } } } } } } }, .power_ctrl = rtl2832u_power_ctrl, .rc.core = { .protocol = RC_TYPE_NEC, .module_name = "rtl28xxu", .rc_query = rtl2832u_rc_query, .rc_interval = 400, .allowed_protos = RC_TYPE_NEC, .rc_codes = RC_MAP_EMPTY, }, .i2c_algo = &rtl28xxu_i2c_algo, .num_device_descs = 3, .devices = { { .name = "Terratec Cinergy T Stick Black", .warm_ids = { &rtl28xxu_table[RTL2832U_0CCD_00A9], }, }, { .name = "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", .warm_ids = { &rtl28xxu_table[RTL2832U_1F4D_B803], }, }, { .name = "NOXON DAB/DAB+ USB dongle", .warm_ids = { &rtl28xxu_table[RTL2832U_0CCD_00B3], }, }, } }, }; static int rtl28xxu_probe(struct usb_interface *intf, const struct usb_device_id *id) { int ret, i; u8 val; int properties_count = ARRAY_SIZE(rtl28xxu_properties); struct dvb_usb_device *d; struct usb_device *udev; bool found; deb_info("%s: interface=%d\n", __func__, intf->cur_altsetting->desc.bInterfaceNumber); if (intf->cur_altsetting->desc.bInterfaceNumber != 0) return 0; /* Dynamic USB ID support. Replaces first device ID with current one .*/ udev = interface_to_usbdev(intf); for (i = 0, found = false; i < ARRAY_SIZE(rtl28xxu_table) - 1; i++) { if (rtl28xxu_table[i].idVendor == le16_to_cpu(udev->descriptor.idVendor) && rtl28xxu_table[i].idProduct == le16_to_cpu(udev->descriptor.idProduct)) { found = true; break; } } if (!found) { deb_info("%s: using dynamic ID %04x:%04x\n", __func__, le16_to_cpu(udev->descriptor.idVendor), le16_to_cpu(udev->descriptor.idProduct)); rtl28xxu_properties[0].devices[0].warm_ids[0]->idVendor = le16_to_cpu(udev->descriptor.idVendor); rtl28xxu_properties[0].devices[0].warm_ids[0]->idProduct = le16_to_cpu(udev->descriptor.idProduct); } for (i = 0; i < properties_count; i++) { ret = dvb_usb_device_init(intf, &rtl28xxu_properties[i], THIS_MODULE, &d, adapter_nr); if (ret == 0 || ret != -ENODEV) break; } if (ret) goto err; /* 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: deb_info("%s: failed=%d\n", __func__, ret); return ret; } static struct usb_driver rtl28xxu_driver = { .name = "dvb_usb_rtl28xxu", .probe = rtl28xxu_probe, .disconnect = dvb_usb_device_exit, .id_table = rtl28xxu_table, }; /* module stuff */ static int __init rtl28xxu_module_init(void) { int ret; deb_info("%s:\n", __func__); ret = usb_register(&rtl28xxu_driver); if (ret) err("usb_register failed=%d", ret); return ret; } static void __exit rtl28xxu_module_exit(void) { deb_info("%s:\n", __func__); /* deregister this driver from the USB subsystem */ usb_deregister(&rtl28xxu_driver); } module_init(rtl28xxu_module_init); module_exit(rtl28xxu_module_exit); MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver"); MODULE_AUTHOR("Antti Palosaari "); MODULE_AUTHOR("Thomas Mair "); MODULE_LICENSE("GPL");