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![Antti Palosaari](/assets/img/avatar_default.png)
Demod needs some time to wake up after power on. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1010 lines
23 KiB
C
1010 lines
23 KiB
C
/*
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* Realtek RTL28xxU DVB USB driver
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*
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* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
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* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "rtl28xxu.h"
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#include "rtl2830.h"
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#include "qt1010.h"
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#include "mt2060.h"
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#include "mxl5005s.h"
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/* debug */
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static int dvb_usb_rtl28xxu_debug;
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module_param_named(debug, dvb_usb_rtl28xxu_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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static int rtl28xxu_ctrl_msg(struct dvb_usb_device *d, struct rtl28xxu_req *req)
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{
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int ret;
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unsigned int pipe;
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u8 requesttype;
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u8 *buf;
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buf = kmalloc(req->size, GFP_KERNEL);
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if (!buf) {
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ret = -ENOMEM;
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goto err;
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}
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if (req->index & CMD_WR_FLAG) {
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/* write */
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memcpy(buf, req->data, req->size);
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requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
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pipe = usb_sndctrlpipe(d->udev, 0);
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} else {
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/* read */
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requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
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pipe = usb_rcvctrlpipe(d->udev, 0);
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}
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ret = usb_control_msg(d->udev, pipe, 0, requesttype, req->value,
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req->index, buf, req->size, 1000);
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if (ret > 0)
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ret = 0;
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deb_dump(0, requesttype, req->value, req->index, buf, req->size,
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deb_xfer);
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/* read request, copy returned data to return buf */
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if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
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memcpy(req->data, buf, req->size);
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kfree(buf);
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if (ret)
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goto err;
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return ret;
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err:
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deb_info("%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int rtl2831_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
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{
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struct rtl28xxu_req req;
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if (reg < 0x3000)
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req.index = CMD_USB_WR;
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else if (reg < 0x4000)
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req.index = CMD_SYS_WR;
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else
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req.index = CMD_IR_WR;
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req.value = reg;
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req.size = len;
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req.data = val;
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return rtl28xxu_ctrl_msg(d, &req);
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}
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static int rtl2831_rd_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
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{
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struct rtl28xxu_req req;
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if (reg < 0x3000)
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req.index = CMD_USB_RD;
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else if (reg < 0x4000)
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req.index = CMD_SYS_RD;
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else
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req.index = CMD_IR_RD;
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req.value = reg;
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req.size = len;
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req.data = val;
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return rtl28xxu_ctrl_msg(d, &req);
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}
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static int rtl2831_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
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{
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return rtl2831_wr_regs(d, reg, &val, 1);
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}
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static int rtl2831_rd_reg(struct dvb_usb_device *d, u16 reg, u8 *val)
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{
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return rtl2831_rd_regs(d, reg, val, 1);
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}
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/* I2C */
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static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
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int num)
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{
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int ret;
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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struct rtl28xxu_priv *priv = d->priv;
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struct rtl28xxu_req req;
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/*
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* It is not known which are real I2C bus xfer limits, but testing
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* with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
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* TODO: find out RTL2832U lens
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*/
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/*
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* I2C adapter logic looks rather complicated due to fact it handles
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* three different access methods. Those methods are;
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* 1) integrated demod access
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* 2) old I2C access
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* 3) new I2C access
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*
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* Used method is selected in order 1, 2, 3. Method 3 can handle all
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* requests but there is two reasons why not use it always;
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* 1) It is most expensive, usually two USB messages are needed
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* 2) At least RTL2831U does not support it
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*
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* Method 3 is needed in case of I2C write+read (typical register read)
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* where write is more than one byte.
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*/
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
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(msg[1].flags & I2C_M_RD)) {
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if (msg[0].len > 24 || msg[1].len > 24) {
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/* TODO: check msg[0].len max */
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ret = -EOPNOTSUPP;
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goto err_mutex_unlock;
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} else if (msg[0].addr == 0x10) {
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/* method 1 - integrated demod */
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req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
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req.index = CMD_DEMOD_RD | priv->page;
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req.size = msg[1].len;
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req.data = &msg[1].buf[0];
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ret = rtl28xxu_ctrl_msg(d, &req);
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} else if (msg[0].len < 2) {
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/* method 2 - old I2C */
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req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
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req.index = CMD_I2C_RD;
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req.size = msg[1].len;
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req.data = &msg[1].buf[0];
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ret = rtl28xxu_ctrl_msg(d, &req);
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} else {
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/* method 3 - new I2C */
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req.value = (msg[0].addr << 1);
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req.index = CMD_I2C_DA_WR;
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req.size = msg[0].len;
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req.data = msg[0].buf;
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ret = rtl28xxu_ctrl_msg(d, &req);
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if (ret)
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goto err_mutex_unlock;
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req.value = (msg[0].addr << 1);
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req.index = CMD_I2C_DA_RD;
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req.size = msg[1].len;
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req.data = msg[1].buf;
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ret = rtl28xxu_ctrl_msg(d, &req);
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}
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} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
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if (msg[0].len > 22) {
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/* TODO: check msg[0].len max */
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ret = -EOPNOTSUPP;
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goto err_mutex_unlock;
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} else if (msg[0].addr == 0x10) {
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/* method 1 - integrated demod */
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if (msg[0].buf[0] == 0x00) {
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/* save demod page for later demod access */
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priv->page = msg[0].buf[1];
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ret = 0;
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} else {
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req.value = (msg[0].buf[0] << 8) |
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(msg[0].addr << 1);
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req.index = CMD_DEMOD_WR | priv->page;
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req.size = msg[0].len-1;
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req.data = &msg[0].buf[1];
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ret = rtl28xxu_ctrl_msg(d, &req);
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}
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} else if (msg[0].len < 23) {
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/* method 2 - old I2C */
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req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
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req.index = CMD_I2C_WR;
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req.size = msg[0].len-1;
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req.data = &msg[0].buf[1];
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ret = rtl28xxu_ctrl_msg(d, &req);
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} else {
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/* method 3 - new I2C */
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req.value = (msg[0].addr << 1);
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req.index = CMD_I2C_DA_WR;
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req.size = msg[0].len;
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req.data = msg[0].buf;
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ret = rtl28xxu_ctrl_msg(d, &req);
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}
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} else {
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ret = -EINVAL;
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}
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err_mutex_unlock:
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mutex_unlock(&d->i2c_mutex);
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return ret ? ret : num;
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}
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static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static struct i2c_algorithm rtl28xxu_i2c_algo = {
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.master_xfer = rtl28xxu_i2c_xfer,
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.functionality = rtl28xxu_i2c_func,
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};
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static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
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.i2c_addr = 0x10, /* 0x20 */
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.xtal = 28800000,
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.ts_mode = 0,
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.spec_inv = 1,
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.if_dvbt = 36150000,
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.vtop = 0x20,
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.krf = 0x04,
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.agc_targ_val = 0x2d,
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};
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static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
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.i2c_addr = 0x10, /* 0x20 */
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.xtal = 28800000,
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.ts_mode = 0,
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.spec_inv = 1,
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.if_dvbt = 36125000,
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.vtop = 0x20,
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.krf = 0x04,
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.agc_targ_val = 0x2d,
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};
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static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
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.i2c_addr = 0x10, /* 0x20 */
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.xtal = 28800000,
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.ts_mode = 0,
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.spec_inv = 0,
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.if_dvbt = 4570000,
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.vtop = 0x3f,
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.krf = 0x04,
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.agc_targ_val = 0x3e,
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};
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static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
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{
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int ret;
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struct rtl28xxu_priv *priv = adap->dev->priv;
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u8 buf[1];
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struct rtl2830_config *rtl2830_config;
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/* open RTL2831U/RTL2830 I2C gate */
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struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" };
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/* for MT2060 tuner probe */
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struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf };
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/* for QT1010 tuner probe */
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struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf };
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deb_info("%s:\n", __func__);
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/*
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* RTL2831U GPIOs
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* =========================================================
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* GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
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* GPIO2 | LED | 0 off | 1 on |
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* GPIO4 | tuner#1 | 0 on | 1 off | MT2060
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*/
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/* GPIO direction */
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ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
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if (ret)
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goto err;
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/* enable as output GPIO0, GPIO2, GPIO4 */
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ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15);
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if (ret)
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goto err;
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/*
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* Probe used tuner. We need to know used tuner before demod attach
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* since there is some demod params needed to set according to tuner.
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*/
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|
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/* demod needs some time to wake up */
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msleep(20);
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/* open demod I2C gate */
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ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
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if (ret)
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goto err;
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/* check QT1010 ID(?) register; reg=0f val=2c */
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ret = rtl28xxu_ctrl_msg(adap->dev, &req_qt1010);
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if (ret == 0 && buf[0] == 0x2c) {
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priv->tuner = TUNER_RTL2830_QT1010;
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rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
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deb_info("%s: QT1010\n", __func__);
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goto found;
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} else {
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deb_info("%s: QT1010 probe failed=%d - %02x\n",
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__func__, ret, buf[0]);
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}
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/* open demod I2C gate */
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ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
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if (ret)
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goto err;
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/* check MT2060 ID register; reg=00 val=63 */
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ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2060);
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if (ret == 0 && buf[0] == 0x63) {
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priv->tuner = TUNER_RTL2830_MT2060;
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rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
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deb_info("%s: MT2060\n", __func__);
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goto found;
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} else {
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deb_info("%s: MT2060 probe failed=%d - %02x\n",
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__func__, ret, buf[0]);
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}
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/* assume MXL5005S */
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ret = 0;
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priv->tuner = TUNER_RTL2830_MXL5005S;
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rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
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deb_info("%s: MXL5005S\n", __func__);
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goto found;
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found:
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/* attach demodulator */
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adap->fe_adap[0].fe = dvb_attach(rtl2830_attach, rtl2830_config,
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&adap->dev->i2c_adap);
|
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if (adap->fe_adap[0].fe == NULL) {
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ret = -ENODEV;
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goto err;
|
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}
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|
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return ret;
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err:
|
|
deb_info("%s: failed=%d\n", __func__, ret);
|
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return ret;
|
|
}
|
|
|
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static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
|
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{
|
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int ret;
|
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struct rtl28xxu_priv *priv = adap->dev->priv;
|
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u8 buf[1];
|
|
/* open RTL2832U/RTL2832 I2C gate */
|
|
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
|
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/* close RTL2832U/RTL2832 I2C gate */
|
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struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
|
|
/* for FC2580 tuner probe */
|
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struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
|
|
|
|
deb_info("%s:\n", __func__);
|
|
|
|
/* GPIO direction */
|
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ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
|
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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);
|
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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 */
|
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ret = -ENODEV;
|
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goto err;
|
|
|
|
found:
|
|
/* close demod I2C gate */
|
|
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
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if (ret)
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|
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;
|
|
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 = 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");
|