diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/rtl28xxu.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/rtl28xxu.c | 982 |
1 files changed, 982 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/rtl28xxu.c b/drivers/media/dvb/dvb-usb/rtl28xxu.c new file mode 100644 index 000000000000..8f4736a10fc8 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/rtl28xxu.c @@ -0,0 +1,982 @@ +/* + * Realtek RTL28xxU DVB USB driver + * + * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> + * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> + * + * 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 "qt1010.h" +#include "mt2060.h" +#include "mxl5005s.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 rtl2831_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 rtl2831_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val) +{ + return rtl2831_wr_regs(d, reg, &val, 1); +} + +static int rtl2831_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 = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a); + if (ret) + goto err; + + /* enable as output GPIO0, GPIO2, GPIO4 */ + ret = rtl2831_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. + */ + + /* 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 int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) +{ + int ret; + struct rtl28xxu_priv *priv = adap->dev->priv; + u8 buf[1]; + /* 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 FC2580 tuner probe */ + struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf}; + + deb_info("%s:\n", __func__); + + /* GPIO direction */ + ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a); + if (ret) + goto err; + + /* enable as output GPIO0, GPIO2, GPIO4 */ + ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15); + if (ret) + goto err; + + ret = rtl2831_wr_reg(adap->dev, SYS_DEMOD_CTL, 0xe8); + 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; + + /* 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; + deb_info("%s: FC2580\n", __func__); + goto found; + } else { + deb_info("%s: FC2580 probe failed=%d - %02x\n", + __func__, ret, buf[0]); + } + + /* close demod I2C gate */ + ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close); + if (ret) + goto err; + + /* tuner not found */ + ret = -ENODEV; + goto err; + +found: + /* close demod I2C gate */ + ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close); + if (ret) + goto err; + + /* attach demodulator */ + /* TODO: */ + + 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_FC2580: + /* TODO: */ + fe = NULL; + 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 rtl28xxu_streaming_ctrl(struct dvb_usb_adapter *adap , int onoff) +{ + int ret; + u8 buf[2], gpio; + + deb_info("%s: onoff=%d\n", __func__, onoff); + + ret = rtl2831_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 = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_VAL, gpio); + if (ret) + goto err; + + ret = rtl2831_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 rtl28xxu_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 = rtl2831_rd_reg(d, SYS_SYS0, &sys0); + if (ret) + goto err; + + /* tuner power, read GPIOs */ + ret = rtl2831_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 = rtl2831_wr_reg(d, SYS_SYS0, sys0); + if (ret) + goto err; + + /* tuner power, write GPIOs */ + ret = rtl2831_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 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 = rtl2831_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 = rtl2831_wr_reg(d, SYS_IRRC_SR, 1); + if (ret) + goto err; + + /* repeated intentionally to avoid extra keypress */ + ret = rtl2831_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 = rtl2831_wr_reg(d, rc_nec_tab[i].reg, + rc_nec_tab[i].val); + if (ret) + goto err; + } + priv->rc_active = true; + } + + ret = rtl2831_rd_reg(d, IR_RX_IF, &buf[0]); + if (ret) + goto err; + + if (buf[0] != 0x83) + goto exit; + + ret = rtl2831_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 = rtl2831_wr_reg(d, IR_RX_IF, 0x03); + ret = rtl2831_wr_reg(d, IR_RX_BUF_CTRL, 0x80); + ret = rtl2831_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, +}; + +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 */ + {} /* 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 = rtl28xxu_streaming_ctrl, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x81, + .u = { + .bulk = { + .buffersize = 8*512, + } + } + } + } + } + } + }, + + .power_ctrl = rtl28xxu_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 = rtl28xxu_streaming_ctrl, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x81, + .u = { + .bulk = { + .buffersize = 8*512, + } + } + } + } + } + } + }, + + .power_ctrl = rtl28xxu_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 = 0, /* disabled as no support for RTL2832 */ + .devices = { + { + .name = "Realtek RTL2832U reference design", + }, + } + }, + +}; + +static int rtl28xxu_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + int ret, i; + int properties_count = ARRAY_SIZE(rtl28xxu_properties); + struct dvb_usb_device *d; + + deb_info("%s: interface=%d\n", __func__, + intf->cur_altsetting->desc.bInterfaceNumber); + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return 0; + + 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 = rtl2831_wr_reg(d, USB_SYSCTL_0, 0x09); + if (ret) + goto err; + + ret = rtl2831_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4); + if (ret) + goto err; + + ret = rtl2831_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 <crope@iki.fi>"); +MODULE_LICENSE("GPL"); |