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rtl28xxu.c
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rtl28xxu.c
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/*
* Realtek RTL28xxU DVB USB driver
*
* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
*
* 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"
static int rtl28xxu_disable_rc;
module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
{
struct rtl28xxu_dev *dev = d->priv;
int ret;
unsigned int pipe;
u8 requesttype;
if (req->index & CMD_WR_FLAG) {
/* write */
memcpy(dev->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, dev->buf, req->size, 1000);
dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
req->index, dev->buf, req->size);
if (ret < 0)
goto err;
/* read request, copy returned data to return buf */
if (requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
memcpy(req->data, dev->buf, req->size);
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl28xxu_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 rtl28xxu_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 rtl28xxu_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
{
return rtl28xxu_wr_regs(d, reg, &val, 1);
}
static int rtl28xxu_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
{
return rtl28xxu_rd_regs(d, reg, val, 1);
}
static int rtl28xxu_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
u8 mask)
{
int ret;
u8 tmp;
/* no need for read if whole reg is written */
if (mask != 0xff) {
ret = rtl28xxu_rd_reg(d, reg, &tmp);
if (ret)
return ret;
val &= mask;
tmp &= ~mask;
val |= tmp;
}
return rtl28xxu_wr_reg(d, reg, val);
}
/* 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_dev *dev = 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 | dev->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 */
dev->page = msg[0].buf[1];
ret = 0;
} else {
req.value = (msg[0].buf[0] << 8) |
(msg[0].addr << 1);
req.index = CMD_DEMOD_WR | dev->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 int rtl2831u_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_dev *dev = d_to_priv(d);
int ret;
u8 buf[1];
/* open RTL2831U/RTL2830 I2C gate */
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
/* tuner probes */
struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
dev_dbg(&d->intf->dev, "\n");
/*
* 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 = rtl28xxu_wr_reg(d, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
/* enable as output GPIO0, GPIO2, GPIO4 */
ret = rtl28xxu_wr_reg(d, 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);
dev->tuner_name = "NONE";
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
if (ret)
goto err;
/* check QT1010 ID(?) register; reg=0f val=2c */
ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
if (ret == 0 && buf[0] == 0x2c) {
dev->tuner = TUNER_RTL2830_QT1010;
dev->tuner_name = "QT1010";
goto found;
}
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
if (ret)
goto err;
/* check MT2060 ID register; reg=00 val=63 */
ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
if (ret == 0 && buf[0] == 0x63) {
dev->tuner = TUNER_RTL2830_MT2060;
dev->tuner_name = "MT2060";
goto found;
}
/* assume MXL5005S */
dev->tuner = TUNER_RTL2830_MXL5005S;
dev->tuner_name = "MXL5005S";
goto found;
found:
dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl2832u_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_dev *dev = 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};
struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_mn88472 = {0xff38, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_mn88473 = {0xff38, CMD_I2C_RD, 1, buf};
dev_dbg(&d->intf->dev, "\n");
/* enable GPIO3 and GPIO6 as output */
ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
if (ret)
goto err;
ret = rtl28xxu_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;
dev->tuner_name = "NONE";
/* check FC0012 ID register; reg=00 val=a1 */
ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
if (ret == 0 && buf[0] == 0xa1) {
dev->tuner = TUNER_RTL2832_FC0012;
dev->tuner_name = "FC0012";
goto tuner_found;
}
/* check FC0013 ID register; reg=00 val=a3 */
ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
if (ret == 0 && buf[0] == 0xa3) {
dev->tuner = TUNER_RTL2832_FC0013;
dev->tuner_name = "FC0013";
goto tuner_found;
}
/* check MT2266 ID register; reg=00 val=85 */
ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
if (ret == 0 && buf[0] == 0x85) {
dev->tuner = TUNER_RTL2832_MT2266;
dev->tuner_name = "MT2266";
goto tuner_found;
}
/* check FC2580 ID register; reg=01 val=56 */
ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
if (ret == 0 && buf[0] == 0x56) {
dev->tuner = TUNER_RTL2832_FC2580;
dev->tuner_name = "FC2580";
goto tuner_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)) {
dev->tuner = TUNER_RTL2832_MT2063;
dev->tuner_name = "MT2063";
goto tuner_found;
}
/* check MAX3543 ID register; reg=00 val=38 */
ret = rtl28xxu_ctrl_msg(d, &req_max3543);
if (ret == 0 && buf[0] == 0x38) {
dev->tuner = TUNER_RTL2832_MAX3543;
dev->tuner_name = "MAX3543";
goto tuner_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) {
dev->tuner = TUNER_RTL2832_TUA9001;
dev->tuner_name = "TUA9001";
goto tuner_found;
}
/* check MXL5007R ID register; reg=d9 val=14 */
ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
if (ret == 0 && buf[0] == 0x14) {
dev->tuner = TUNER_RTL2832_MXL5007T;
dev->tuner_name = "MXL5007T";
goto tuner_found;
}
/* check E4000 ID register; reg=02 val=40 */
ret = rtl28xxu_ctrl_msg(d, &req_e4000);
if (ret == 0 && buf[0] == 0x40) {
dev->tuner = TUNER_RTL2832_E4000;
dev->tuner_name = "E4000";
goto tuner_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)) {
dev->tuner = TUNER_RTL2832_TDA18272;
dev->tuner_name = "TDA18272";
goto tuner_found;
}
/* check R820T ID register; reg=00 val=69 */
ret = rtl28xxu_ctrl_msg(d, &req_r820t);
if (ret == 0 && buf[0] == 0x69) {
dev->tuner = TUNER_RTL2832_R820T;
dev->tuner_name = "R820T";
goto tuner_found;
}
/* check R828D ID register; reg=00 val=69 */
ret = rtl28xxu_ctrl_msg(d, &req_r828d);
if (ret == 0 && buf[0] == 0x69) {
dev->tuner = TUNER_RTL2832_R828D;
dev->tuner_name = "R828D";
goto tuner_found;
}
tuner_found:
dev_dbg(&d->intf->dev, "tuner=%s\n", dev->tuner_name);
/* probe slave demod */
if (dev->tuner == TUNER_RTL2832_R828D) {
/* power on MN88472 demod on GPIO0 */
ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x01, 0x01);
if (ret)
goto err;
ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
if (ret)
goto err;
ret = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
if (ret)
goto err;
/* check MN88472 answers */
ret = rtl28xxu_ctrl_msg(d, &req_mn88472);
if (ret == 0 && buf[0] == 0x02) {
dev_dbg(&d->intf->dev, "MN88472 found\n");
dev->slave_demod = SLAVE_DEMOD_MN88472;
goto demod_found;
}
ret = rtl28xxu_ctrl_msg(d, &req_mn88473);
if (ret == 0 && buf[0] == 0x03) {
dev_dbg(&d->intf->dev, "MN88473 found\n");
dev->slave_demod = SLAVE_DEMOD_MN88473;
goto demod_found;
}
}
demod_found:
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
if (ret < 0)
goto err;
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl28xxu_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_dev *dev = d_to_priv(d);
if (dev->chip_id == CHIP_ID_RTL2831U)
return rtl2831u_read_config(d);
else
return rtl2832u_read_config(d);
}
static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
{
struct rtl28xxu_dev *dev = d_to_priv(d);
int ret;
struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
dev_dbg(&d->intf->dev, "\n");
/*
* Detect chip type using I2C command that is not supported
* by old RTL2831U.
*/
ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
if (ret == -EPIPE) {
dev->chip_id = CHIP_ID_RTL2831U;
} else if (ret == 0) {
dev->chip_id = CHIP_ID_RTL2832U;
} else {
dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
goto err;
}
dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
return WARM;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static const struct rtl2830_platform_data rtl2830_mt2060_platform_data = {
.clk = 28800000,
.spec_inv = 1,
.vtop = 0x20,
.krf = 0x04,
.agc_targ_val = 0x2d,
};
static const struct rtl2830_platform_data rtl2830_qt1010_platform_data = {
.clk = 28800000,
.spec_inv = 1,
.vtop = 0x20,
.krf = 0x04,
.agc_targ_val = 0x2d,
};
static const struct rtl2830_platform_data rtl2830_mxl5005s_platform_data = {
.clk = 28800000,
.spec_inv = 0,
.vtop = 0x3f,
.krf = 0x04,
.agc_targ_val = 0x3e,
};
static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_dev *dev = d_to_priv(d);
struct rtl2830_platform_data *pdata = &dev->rtl2830_platform_data;
struct i2c_board_info board_info;
struct i2c_client *client;
int ret;
dev_dbg(&d->intf->dev, "\n");
switch (dev->tuner) {
case TUNER_RTL2830_QT1010:
*pdata = rtl2830_qt1010_platform_data;
break;
case TUNER_RTL2830_MT2060:
*pdata = rtl2830_mt2060_platform_data;
break;
case TUNER_RTL2830_MXL5005S:
*pdata = rtl2830_mxl5005s_platform_data;
break;
default:
dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
ret = -ENODEV;
goto err;
}
/* attach demodulator */
memset(&board_info, 0, sizeof(board_info));
strlcpy(board_info.type, "rtl2830", I2C_NAME_SIZE);
board_info.addr = 0x10;
board_info.platform_data = pdata;
request_module("%s", board_info.type);
client = i2c_new_device(&d->i2c_adap, &board_info);
if (client == NULL || client->dev.driver == NULL) {
ret = -ENODEV;
goto err;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
ret = -ENODEV;
goto err;
}
adap->fe[0] = pdata->get_dvb_frontend(client);
dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
dev->i2c_client_demod = client;
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static const struct rtl2832_platform_data rtl2832_fc0012_platform_data = {
.clk = 28800000,
.tuner = TUNER_RTL2832_FC0012
};
static const struct rtl2832_platform_data rtl2832_fc0013_platform_data = {
.clk = 28800000,
.tuner = TUNER_RTL2832_FC0013
};
static const struct rtl2832_platform_data rtl2832_tua9001_platform_data = {
.clk = 28800000,
.tuner = TUNER_RTL2832_TUA9001,
};
static const struct rtl2832_platform_data rtl2832_e4000_platform_data = {
.clk = 28800000,
.tuner = TUNER_RTL2832_E4000,
};
static const struct rtl2832_platform_data rtl2832_r820t_platform_data = {
.clk = 28800000,
.tuner = TUNER_RTL2832_R820T,
};
static int rtl2832u_fc0012_tuner_callback(struct dvb_usb_device *d,
int cmd, int arg)
{
int ret;
u8 val;
dev_dbg(&d->intf->dev, "cmd=%d arg=%d\n", cmd, arg);
switch (cmd) {
case FC_FE_CALLBACK_VHF_ENABLE:
/* set output values */
ret = rtl28xxu_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 = rtl28xxu_wr_reg(d, SYS_GPIO_OUT_VAL, val);
if (ret)
goto err;
break;
default:
ret = -EINVAL;
goto err;
}
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", 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->intf->dev, "cmd=%d arg=%d\n", 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 = rtl28xxu_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 = rtl28xxu_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
if (ret)
goto err;
break;
}
return 0;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl2832u_frontend_callback(void *adapter_priv, int component,
int cmd, int arg)
{
struct i2c_adapter *adapter = adapter_priv;
struct device *parent = adapter->dev.parent;
struct i2c_adapter *parent_adapter;
struct dvb_usb_device *d;
struct rtl28xxu_dev *dev;
/*
* All tuners are connected to demod muxed I2C adapter. We have to
* resolve its parent adapter in order to get handle for this driver
* private data. That is a bit hackish solution, GPIO or direct driver
* callback would be better...
*/
if (parent != NULL && parent->type == &i2c_adapter_type)
parent_adapter = to_i2c_adapter(parent);
else
return -EINVAL;
d = i2c_get_adapdata(parent_adapter);
dev = d->priv;
dev_dbg(&d->intf->dev, "component=%d cmd=%d arg=%d\n",
component, cmd, arg);
switch (component) {
case DVB_FRONTEND_COMPONENT_TUNER:
switch (dev->tuner) {
case TUNER_RTL2832_FC0012:
return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
case TUNER_RTL2832_TUA9001:
return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
}
}
return 0;
}
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_dev *dev = d_to_priv(d);
struct rtl2832_platform_data *pdata = &dev->rtl2832_platform_data;
struct i2c_board_info board_info;
struct i2c_client *client;
int ret;
dev_dbg(&d->intf->dev, "\n");
switch (dev->tuner) {
case TUNER_RTL2832_FC0012:
*pdata = rtl2832_fc0012_platform_data;
break;
case TUNER_RTL2832_FC0013:
*pdata = rtl2832_fc0013_platform_data;
break;
case TUNER_RTL2832_FC2580:
/* FIXME: do not abuse fc0012 settings */
*pdata = rtl2832_fc0012_platform_data;
break;
case TUNER_RTL2832_TUA9001:
*pdata = rtl2832_tua9001_platform_data;
break;
case TUNER_RTL2832_E4000:
*pdata = rtl2832_e4000_platform_data;
break;
case TUNER_RTL2832_R820T:
case TUNER_RTL2832_R828D:
*pdata = rtl2832_r820t_platform_data;
break;
default:
dev_err(&d->intf->dev, "unknown tuner %s\n", dev->tuner_name);
ret = -ENODEV;
goto err;
}
/* attach demodulator */
memset(&board_info, 0, sizeof(board_info));
strlcpy(board_info.type, "rtl2832", I2C_NAME_SIZE);
board_info.addr = 0x10;
board_info.platform_data = pdata;
request_module("%s", board_info.type);
client = i2c_new_device(&d->i2c_adap, &board_info);
if (client == NULL || client->dev.driver == NULL) {
ret = -ENODEV;
goto err;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
ret = -ENODEV;
goto err;
}
adap->fe[0] = pdata->get_dvb_frontend(client);
dev->demod_i2c_adapter = pdata->get_i2c_adapter(client);
dev->i2c_client_demod = client;
/* set fe callback */
adap->fe[0]->callback = rtl2832u_frontend_callback;
if (dev->slave_demod) {
struct i2c_board_info info = {};
/*
* We continue on reduced mode, without DVB-T2/C, using master
* demod, when slave demod fails.
*/
ret = 0;
/* attach slave demodulator */
if (dev->slave_demod == SLAVE_DEMOD_MN88472) {
struct mn88472_config mn88472_config = {};
mn88472_config.fe = &adap->fe[1];
mn88472_config.i2c_wr_max = 22,
strlcpy(info.type, "mn88472", I2C_NAME_SIZE);
mn88472_config.xtal = 20500000;
info.addr = 0x18;
info.platform_data = &mn88472_config;
request_module(info.type);
client = i2c_new_device(&d->i2c_adap, &info);
if (client == NULL || client->dev.driver == NULL) {
dev->slave_demod = SLAVE_DEMOD_NONE;
goto err_slave_demod_failed;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dev->slave_demod = SLAVE_DEMOD_NONE;
goto err_slave_demod_failed;
}
dev->i2c_client_slave_demod = client;
} else {
struct mn88473_config mn88473_config = {};
mn88473_config.fe = &adap->fe[1];
mn88473_config.i2c_wr_max = 22,
strlcpy(info.type, "mn88473", I2C_NAME_SIZE);
info.addr = 0x18;
info.platform_data = &mn88473_config;
request_module(info.type);
client = i2c_new_device(&d->i2c_adap, &info);
if (client == NULL || client->dev.driver == NULL) {
dev->slave_demod = SLAVE_DEMOD_NONE;
goto err_slave_demod_failed;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dev->slave_demod = SLAVE_DEMOD_NONE;
goto err_slave_demod_failed;
}
dev->i2c_client_slave_demod = client;
}
}
return 0;
err_slave_demod_failed:
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl28xxu_frontend_attach(struct dvb_usb_adapter *adap)
{
struct rtl28xxu_dev *dev = adap_to_priv(adap);
if (dev->chip_id == CHIP_ID_RTL2831U)
return rtl2831u_frontend_attach(adap);
else
return rtl2832u_frontend_attach(adap);
}
static int rtl28xxu_frontend_detach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_dev *dev = d_to_priv(d);
struct i2c_client *client;
dev_dbg(&d->intf->dev, "\n");
/* remove I2C slave demod */
client = dev->i2c_client_slave_demod;
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
/* remove I2C demod */
client = dev->i2c_client_demod;
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
return 0;
}
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 dvb_usb_device *d = adap_to_d(adap);
struct rtl28xxu_dev *dev = d_to_priv(d);
struct dvb_frontend *fe;
dev_dbg(&d->intf->dev, "\n");
switch (dev->tuner) {
case TUNER_RTL2830_QT1010:
fe = dvb_attach(qt1010_attach, adap->fe[0],
dev->demod_i2c_adapter,
&rtl28xxu_qt1010_config);
break;
case TUNER_RTL2830_MT2060:
fe = dvb_attach(mt2060_attach, adap->fe[0],
dev->demod_i2c_adapter,
&rtl28xxu_mt2060_config, 1220);
break;
case TUNER_RTL2830_MXL5005S:
fe = dvb_attach(mxl5005s_attach, adap->fe[0],
dev->demod_i2c_adapter,