- 根目录:
- drivers
- media
- dvb
- dvb-usb
- rtl28xxu.c
/*
* 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");