mirror of https://gitee.com/openkylin/linux.git
1574 lines
40 KiB
C
1574 lines
40 KiB
C
/*
|
||
* Realtek RTL28xxU DVB USB driver
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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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* Copyright (C) 2012 Thomas Mair <thomas.mair86@googlemail.com>
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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 "rtl2832.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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#include "fc0012.h"
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||
#include "fc0013.h"
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#include "e4000.h"
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#include "fc2580.h"
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#include "tua9001.h"
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#include "r820t.h"
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/*
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* RTL2832_SDR module is in staging. That logic is added in order to avoid any
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* hard dependency to drivers/staging/ directory as we want compile mainline
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* driver even whole staging directory is missing.
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*/
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#include <media/v4l2-subdev.h>
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#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
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struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
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struct v4l2_subdev *sd);
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#else
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static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
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struct v4l2_subdev *sd)
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{
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return NULL;
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}
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#endif
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#ifdef CONFIG_MEDIA_ATTACH
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#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \
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void *__r = NULL; \
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typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
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if (__a) { \
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__r = (void *) __a(ARGS); \
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if (__r == NULL) \
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symbol_put(FUNCTION); \
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} \
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__r; \
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})
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#else
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#define dvb_attach_sdr(FUNCTION, ARGS...) ({ \
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FUNCTION(ARGS); \
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})
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#endif
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static int rtl28xxu_disable_rc;
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module_param_named(disable_rc, rtl28xxu_disable_rc, int, 0644);
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MODULE_PARM_DESC(disable_rc, "disable RTL2832U remote controller");
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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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dvb_usb_dbg_usb_control_msg(d->udev, 0, requesttype, req->value,
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req->index, buf, req->size);
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if (ret > 0)
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ret = 0;
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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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dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int rtl28xx_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 rtl28xx_wr_reg(struct dvb_usb_device *d, u16 reg, u8 val)
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{
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return rtl28xx_wr_regs(d, reg, &val, 1);
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}
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static int rtl28xx_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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static int rtl28xx_wr_reg_mask(struct dvb_usb_device *d, u16 reg, u8 val,
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u8 mask)
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{
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int ret;
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u8 tmp;
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/* no need for read if whole reg is written */
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if (mask != 0xff) {
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ret = rtl28xx_rd_reg(d, reg, &tmp);
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if (ret)
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return ret;
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val &= mask;
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tmp &= ~mask;
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val |= tmp;
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}
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return rtl28xx_wr_reg(d, reg, val);
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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 {
|
||
ret = -EINVAL;
|
||
}
|
||
|
||
err_mutex_unlock:
|
||
mutex_unlock(&d->i2c_mutex);
|
||
|
||
return ret ? ret : num;
|
||
}
|
||
|
||
static u32 rtl28xxu_i2c_func(struct i2c_adapter *adapter)
|
||
{
|
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return I2C_FUNC_I2C;
|
||
}
|
||
|
||
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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static int rtl2831u_read_config(struct dvb_usb_device *d)
|
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{
|
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struct rtl28xxu_priv *priv = 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->udev->dev, "%s:\n", __func__);
|
||
|
||
/*
|
||
* RTL2831U GPIOs
|
||
* =========================================================
|
||
* GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
|
||
* GPIO2 | LED | 0 off | 1 on |
|
||
* GPIO4 | tuner#1 | 0 on | 1 off | MT2060
|
||
*/
|
||
|
||
/* GPIO direction */
|
||
ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* enable as output GPIO0, GPIO2, GPIO4 */
|
||
ret = rtl28xx_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);
|
||
|
||
priv->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) {
|
||
priv->tuner = TUNER_RTL2830_QT1010;
|
||
priv->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) {
|
||
priv->tuner = TUNER_RTL2830_MT2060;
|
||
priv->tuner_name = "MT2060";
|
||
goto found;
|
||
}
|
||
|
||
/* assume MXL5005S */
|
||
priv->tuner = TUNER_RTL2830_MXL5005S;
|
||
priv->tuner_name = "MXL5005S";
|
||
goto found;
|
||
|
||
found:
|
||
dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl2832u_read_config(struct dvb_usb_device *d)
|
||
{
|
||
struct rtl28xxu_priv *priv = 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};
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
/* enable GPIO3 and GPIO6 as output */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
|
||
if (ret)
|
||
goto err;
|
||
|
||
ret = rtl28xx_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;
|
||
|
||
priv->tuner_name = "NONE";
|
||
|
||
/* check FC0012 ID register; reg=00 val=a1 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
|
||
if (ret == 0 && buf[0] == 0xa1) {
|
||
priv->tuner = TUNER_RTL2832_FC0012;
|
||
priv->tuner_name = "FC0012";
|
||
goto found;
|
||
}
|
||
|
||
/* check FC0013 ID register; reg=00 val=a3 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
|
||
if (ret == 0 && buf[0] == 0xa3) {
|
||
priv->tuner = TUNER_RTL2832_FC0013;
|
||
priv->tuner_name = "FC0013";
|
||
goto found;
|
||
}
|
||
|
||
/* check MT2266 ID register; reg=00 val=85 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
|
||
if (ret == 0 && buf[0] == 0x85) {
|
||
priv->tuner = TUNER_RTL2832_MT2266;
|
||
priv->tuner_name = "MT2266";
|
||
goto found;
|
||
}
|
||
|
||
/* check FC2580 ID register; reg=01 val=56 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
|
||
if (ret == 0 && buf[0] == 0x56) {
|
||
priv->tuner = TUNER_RTL2832_FC2580;
|
||
priv->tuner_name = "FC2580";
|
||
goto 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)) {
|
||
priv->tuner = TUNER_RTL2832_MT2063;
|
||
priv->tuner_name = "MT2063";
|
||
goto found;
|
||
}
|
||
|
||
/* check MAX3543 ID register; reg=00 val=38 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_max3543);
|
||
if (ret == 0 && buf[0] == 0x38) {
|
||
priv->tuner = TUNER_RTL2832_MAX3543;
|
||
priv->tuner_name = "MAX3543";
|
||
goto 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) {
|
||
priv->tuner = TUNER_RTL2832_TUA9001;
|
||
priv->tuner_name = "TUA9001";
|
||
goto found;
|
||
}
|
||
|
||
/* check MXL5007R ID register; reg=d9 val=14 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
|
||
if (ret == 0 && buf[0] == 0x14) {
|
||
priv->tuner = TUNER_RTL2832_MXL5007T;
|
||
priv->tuner_name = "MXL5007T";
|
||
goto found;
|
||
}
|
||
|
||
/* check E4000 ID register; reg=02 val=40 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_e4000);
|
||
if (ret == 0 && buf[0] == 0x40) {
|
||
priv->tuner = TUNER_RTL2832_E4000;
|
||
priv->tuner_name = "E4000";
|
||
goto 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)) {
|
||
priv->tuner = TUNER_RTL2832_TDA18272;
|
||
priv->tuner_name = "TDA18272";
|
||
goto found;
|
||
}
|
||
|
||
/* check R820T ID register; reg=00 val=69 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_r820t);
|
||
if (ret == 0 && buf[0] == 0x69) {
|
||
priv->tuner = TUNER_RTL2832_R820T;
|
||
priv->tuner_name = "R820T";
|
||
goto found;
|
||
}
|
||
|
||
/* check R828D ID register; reg=00 val=69 */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_r828d);
|
||
if (ret == 0 && buf[0] == 0x69) {
|
||
priv->tuner = TUNER_RTL2832_R828D;
|
||
priv->tuner_name = "R828D";
|
||
goto found;
|
||
}
|
||
|
||
|
||
found:
|
||
dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
|
||
|
||
/* close demod I2C gate */
|
||
ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
|
||
if (ret < 0)
|
||
goto err;
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static const struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.ts_mode = 0,
|
||
.spec_inv = 1,
|
||
.vtop = 0x20,
|
||
.krf = 0x04,
|
||
.agc_targ_val = 0x2d,
|
||
|
||
};
|
||
|
||
static const struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.ts_mode = 0,
|
||
.spec_inv = 1,
|
||
.vtop = 0x20,
|
||
.krf = 0x04,
|
||
.agc_targ_val = 0x2d,
|
||
};
|
||
|
||
static const struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.ts_mode = 0,
|
||
.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_priv *priv = d_to_priv(d);
|
||
const struct rtl2830_config *rtl2830_config;
|
||
int ret;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
switch (priv->tuner) {
|
||
case TUNER_RTL2830_QT1010:
|
||
rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
|
||
break;
|
||
case TUNER_RTL2830_MT2060:
|
||
rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
|
||
break;
|
||
case TUNER_RTL2830_MXL5005S:
|
||
rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
|
||
break;
|
||
default:
|
||
dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
|
||
KBUILD_MODNAME, priv->tuner_name);
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
/* attach demodulator */
|
||
adap->fe[0] = dvb_attach(rtl2830_attach, rtl2830_config, &d->i2c_adap);
|
||
if (!adap->fe[0]) {
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static const struct rtl2832_config rtl28xxu_rtl2832_fc0012_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.tuner = TUNER_RTL2832_FC0012
|
||
};
|
||
|
||
static const struct rtl2832_config rtl28xxu_rtl2832_fc0013_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.tuner = TUNER_RTL2832_FC0013
|
||
};
|
||
|
||
static const struct rtl2832_config rtl28xxu_rtl2832_tua9001_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.tuner = TUNER_RTL2832_TUA9001,
|
||
};
|
||
|
||
static const struct rtl2832_config rtl28xxu_rtl2832_e4000_config = {
|
||
.i2c_addr = 0x10, /* 0x20 */
|
||
.xtal = 28800000,
|
||
.tuner = TUNER_RTL2832_E4000,
|
||
};
|
||
|
||
static const struct rtl2832_config rtl28xxu_rtl2832_r820t_config = {
|
||
.i2c_addr = 0x10,
|
||
.xtal = 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->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
|
||
|
||
switch (cmd) {
|
||
case FC_FE_CALLBACK_VHF_ENABLE:
|
||
/* set output values */
|
||
ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &val);
|
||
if (ret)
|
||
goto err;
|
||
|
||
if (arg)
|
||
val &= 0xbf; /* set GPIO6 low */
|
||
else
|
||
val |= 0x40; /* set GPIO6 high */
|
||
|
||
|
||
ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, val);
|
||
if (ret)
|
||
goto err;
|
||
break;
|
||
default:
|
||
ret = -EINVAL;
|
||
goto err;
|
||
}
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, 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->udev->dev, "%s: cmd=%d arg=%d\n", __func__, 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 = rtl28xx_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 = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, val, 0x02);
|
||
if (ret)
|
||
goto err;
|
||
break;
|
||
}
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl2832u_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
|
||
{
|
||
struct rtl28xxu_priv *priv = d->priv;
|
||
|
||
switch (priv->tuner) {
|
||
case TUNER_RTL2832_FC0012:
|
||
return rtl2832u_fc0012_tuner_callback(d, cmd, arg);
|
||
case TUNER_RTL2832_TUA9001:
|
||
return rtl2832u_tua9001_tuner_callback(d, cmd, arg);
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int rtl2832u_frontend_callback(void *adapter_priv, int component,
|
||
int cmd, int arg)
|
||
{
|
||
struct i2c_adapter *adap = adapter_priv;
|
||
struct dvb_usb_device *d = i2c_get_adapdata(adap);
|
||
|
||
dev_dbg(&d->udev->dev, "%s: component=%d cmd=%d arg=%d\n",
|
||
__func__, component, cmd, arg);
|
||
|
||
switch (component) {
|
||
case DVB_FRONTEND_COMPONENT_TUNER:
|
||
return rtl2832u_tuner_callback(d, cmd, arg);
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
|
||
{
|
||
int ret;
|
||
struct dvb_usb_device *d = adap_to_d(adap);
|
||
struct rtl28xxu_priv *priv = d_to_priv(d);
|
||
const struct rtl2832_config *rtl2832_config;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
switch (priv->tuner) {
|
||
case TUNER_RTL2832_FC0012:
|
||
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
|
||
break;
|
||
case TUNER_RTL2832_FC0013:
|
||
rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
|
||
break;
|
||
case TUNER_RTL2832_FC2580:
|
||
/* FIXME: do not abuse fc0012 settings */
|
||
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
|
||
break;
|
||
case TUNER_RTL2832_TUA9001:
|
||
rtl2832_config = &rtl28xxu_rtl2832_tua9001_config;
|
||
break;
|
||
case TUNER_RTL2832_E4000:
|
||
rtl2832_config = &rtl28xxu_rtl2832_e4000_config;
|
||
break;
|
||
case TUNER_RTL2832_R820T:
|
||
case TUNER_RTL2832_R828D:
|
||
rtl2832_config = &rtl28xxu_rtl2832_r820t_config;
|
||
break;
|
||
default:
|
||
dev_err(&d->udev->dev, "%s: unknown tuner=%s\n",
|
||
KBUILD_MODNAME, priv->tuner_name);
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
/* attach demodulator */
|
||
adap->fe[0] = dvb_attach(rtl2832_attach, rtl2832_config, &d->i2c_adap);
|
||
if (!adap->fe[0]) {
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
/* RTL2832 I2C repeater */
|
||
priv->demod_i2c_adapter = rtl2832_get_i2c_adapter(adap->fe[0]);
|
||
|
||
/* set fe callback */
|
||
adap->fe[0]->callback = rtl2832u_frontend_callback;
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%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 dvb_usb_device *d = adap_to_d(adap);
|
||
struct rtl28xxu_priv *priv = d_to_priv(d);
|
||
struct i2c_adapter *rtl2830_tuner_i2c;
|
||
struct dvb_frontend *fe;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
/* use rtl2830 driver I2C adapter, for more info see rtl2830 driver */
|
||
rtl2830_tuner_i2c = rtl2830_get_tuner_i2c_adapter(adap->fe[0]);
|
||
|
||
switch (priv->tuner) {
|
||
case TUNER_RTL2830_QT1010:
|
||
fe = dvb_attach(qt1010_attach, adap->fe[0],
|
||
rtl2830_tuner_i2c, &rtl28xxu_qt1010_config);
|
||
break;
|
||
case TUNER_RTL2830_MT2060:
|
||
fe = dvb_attach(mt2060_attach, adap->fe[0],
|
||
rtl2830_tuner_i2c, &rtl28xxu_mt2060_config,
|
||
1220);
|
||
break;
|
||
case TUNER_RTL2830_MXL5005S:
|
||
fe = dvb_attach(mxl5005s_attach, adap->fe[0],
|
||
rtl2830_tuner_i2c, &rtl28xxu_mxl5005s_config);
|
||
break;
|
||
default:
|
||
fe = NULL;
|
||
dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
|
||
priv->tuner);
|
||
}
|
||
|
||
if (fe == NULL) {
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static const struct fc2580_config rtl2832u_fc2580_config = {
|
||
.i2c_addr = 0x56,
|
||
.clock = 16384000,
|
||
};
|
||
|
||
static struct tua9001_config rtl2832u_tua9001_config = {
|
||
.i2c_addr = 0x60,
|
||
};
|
||
|
||
static const struct fc0012_config rtl2832u_fc0012_config = {
|
||
.i2c_address = 0x63, /* 0xc6 >> 1 */
|
||
.xtal_freq = FC_XTAL_28_8_MHZ,
|
||
};
|
||
|
||
static const struct r820t_config rtl2832u_r820t_config = {
|
||
.i2c_addr = 0x1a,
|
||
.xtal = 28800000,
|
||
.max_i2c_msg_len = 2,
|
||
.rafael_chip = CHIP_R820T,
|
||
};
|
||
|
||
static const struct r820t_config rtl2832u_r828d_config = {
|
||
.i2c_addr = 0x3a,
|
||
.xtal = 16000000,
|
||
.max_i2c_msg_len = 2,
|
||
.rafael_chip = CHIP_R828D,
|
||
};
|
||
|
||
static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
|
||
{
|
||
int ret;
|
||
struct dvb_usb_device *d = adap_to_d(adap);
|
||
struct rtl28xxu_priv *priv = d_to_priv(d);
|
||
struct dvb_frontend *fe = NULL;
|
||
struct i2c_board_info info;
|
||
struct i2c_client *client;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
memset(&info, 0, sizeof(struct i2c_board_info));
|
||
|
||
switch (priv->tuner) {
|
||
case TUNER_RTL2832_FC0012:
|
||
fe = dvb_attach(fc0012_attach, adap->fe[0],
|
||
&d->i2c_adap, &rtl2832u_fc0012_config);
|
||
|
||
/* since fc0012 includs reading the signal strength delegate
|
||
* that to the tuner driver */
|
||
adap->fe[0]->ops.read_signal_strength =
|
||
adap->fe[0]->ops.tuner_ops.get_rf_strength;
|
||
|
||
/* attach SDR */
|
||
dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl28xxu_rtl2832_fc0012_config, NULL);
|
||
break;
|
||
case TUNER_RTL2832_FC0013:
|
||
fe = dvb_attach(fc0013_attach, adap->fe[0],
|
||
&d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
|
||
|
||
/* fc0013 also supports signal strength reading */
|
||
adap->fe[0]->ops.read_signal_strength =
|
||
adap->fe[0]->ops.tuner_ops.get_rf_strength;
|
||
|
||
/* attach SDR */
|
||
dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl28xxu_rtl2832_fc0013_config, NULL);
|
||
break;
|
||
case TUNER_RTL2832_E4000: {
|
||
struct v4l2_subdev *sd;
|
||
struct i2c_adapter *i2c_adap_internal =
|
||
rtl2832_get_private_i2c_adapter(adap->fe[0]);
|
||
struct e4000_config e4000_config = {
|
||
.fe = adap->fe[0],
|
||
.clock = 28800000,
|
||
};
|
||
|
||
strlcpy(info.type, "e4000", I2C_NAME_SIZE);
|
||
info.addr = 0x64;
|
||
info.platform_data = &e4000_config;
|
||
|
||
request_module(info.type);
|
||
client = i2c_new_device(priv->demod_i2c_adapter, &info);
|
||
if (client == NULL || client->dev.driver == NULL)
|
||
break;
|
||
|
||
if (!try_module_get(client->dev.driver->owner)) {
|
||
i2c_unregister_device(client);
|
||
break;
|
||
}
|
||
|
||
priv->client = client;
|
||
sd = i2c_get_clientdata(client);
|
||
i2c_set_adapdata(i2c_adap_internal, d);
|
||
|
||
/* attach SDR */
|
||
dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0],
|
||
i2c_adap_internal,
|
||
&rtl28xxu_rtl2832_e4000_config, sd);
|
||
}
|
||
break;
|
||
case TUNER_RTL2832_FC2580:
|
||
fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl2832u_fc2580_config);
|
||
break;
|
||
case TUNER_RTL2832_TUA9001:
|
||
/* enable GPIO1 and GPIO4 as output */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x12);
|
||
if (ret)
|
||
goto err;
|
||
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x12, 0x12);
|
||
if (ret)
|
||
goto err;
|
||
|
||
fe = dvb_attach(tua9001_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl2832u_tua9001_config);
|
||
break;
|
||
case TUNER_RTL2832_R820T:
|
||
fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl2832u_r820t_config);
|
||
|
||
/* Use tuner to get the signal strength */
|
||
adap->fe[0]->ops.read_signal_strength =
|
||
adap->fe[0]->ops.tuner_ops.get_rf_strength;
|
||
|
||
/* attach SDR */
|
||
dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl28xxu_rtl2832_r820t_config, NULL);
|
||
break;
|
||
case TUNER_RTL2832_R828D:
|
||
/* power off mn88472 demod on GPIO0 */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01);
|
||
if (ret)
|
||
goto err;
|
||
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01);
|
||
if (ret)
|
||
goto err;
|
||
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01);
|
||
if (ret)
|
||
goto err;
|
||
|
||
fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,
|
||
&rtl2832u_r828d_config);
|
||
|
||
/* Use tuner to get the signal strength */
|
||
adap->fe[0]->ops.read_signal_strength =
|
||
adap->fe[0]->ops.tuner_ops.get_rf_strength;
|
||
break;
|
||
default:
|
||
dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
|
||
priv->tuner);
|
||
}
|
||
|
||
if (fe == NULL && priv->client == NULL) {
|
||
ret = -ENODEV;
|
||
goto err;
|
||
}
|
||
|
||
return 0;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl28xxu_init(struct dvb_usb_device *d)
|
||
{
|
||
int ret;
|
||
u8 val;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
/* init USB endpoints */
|
||
ret = rtl28xx_rd_reg(d, USB_SYSCTL_0, &val);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* enable DMA and Full Packet Mode*/
|
||
val |= 0x09;
|
||
ret = rtl28xx_wr_reg(d, USB_SYSCTL_0, val);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* set EPA maximum packet size to 0x0200 */
|
||
ret = rtl28xx_wr_regs(d, USB_EPA_MAXPKT, "\x00\x02\x00\x00", 4);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* change EPA FIFO length */
|
||
ret = rtl28xx_wr_regs(d, USB_EPA_FIFO_CFG, "\x14\x00\x00\x00", 4);
|
||
if (ret)
|
||
goto err;
|
||
|
||
return ret;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static void rtl28xxu_exit(struct dvb_usb_device *d)
|
||
{
|
||
struct rtl28xxu_priv *priv = d->priv;
|
||
struct i2c_client *client = priv->client;
|
||
|
||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||
|
||
/* remove I2C tuner */
|
||
if (client) {
|
||
module_put(client->dev.driver->owner);
|
||
i2c_unregister_device(client);
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff)
|
||
{
|
||
int ret;
|
||
u8 gpio, sys0, epa_ctl[2];
|
||
|
||
dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
|
||
|
||
/* demod adc */
|
||
ret = rtl28xx_rd_reg(d, SYS_SYS0, &sys0);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* tuner power, read GPIOs */
|
||
ret = rtl28xx_rd_reg(d, SYS_GPIO_OUT_VAL, &gpio);
|
||
if (ret)
|
||
goto err;
|
||
|
||
dev_dbg(&d->udev->dev, "%s: RD SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
|
||
sys0, gpio);
|
||
|
||
if (onoff) {
|
||
gpio |= 0x01; /* GPIO0 = 1 */
|
||
gpio &= (~0x10); /* GPIO4 = 0 */
|
||
gpio |= 0x04; /* GPIO2 = 1, LED on */
|
||
sys0 = sys0 & 0x0f;
|
||
sys0 |= 0xe0;
|
||
epa_ctl[0] = 0x00; /* clear stall */
|
||
epa_ctl[1] = 0x00; /* clear reset */
|
||
} else {
|
||
gpio &= (~0x01); /* GPIO0 = 0 */
|
||
gpio |= 0x10; /* GPIO4 = 1 */
|
||
gpio &= (~0x04); /* GPIO2 = 1, LED off */
|
||
sys0 = sys0 & (~0xc0);
|
||
epa_ctl[0] = 0x10; /* set stall */
|
||
epa_ctl[1] = 0x02; /* set reset */
|
||
}
|
||
|
||
dev_dbg(&d->udev->dev, "%s: WR SYS0=%02x GPIO_OUT_VAL=%02x\n", __func__,
|
||
sys0, gpio);
|
||
|
||
/* demod adc */
|
||
ret = rtl28xx_wr_reg(d, SYS_SYS0, sys0);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* tuner power, write GPIOs */
|
||
ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_VAL, gpio);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* streaming EP: stall & reset */
|
||
ret = rtl28xx_wr_regs(d, USB_EPA_CTL, epa_ctl, 2);
|
||
if (ret)
|
||
goto err;
|
||
|
||
if (onoff)
|
||
usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
|
||
|
||
return ret;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl2832u_power_ctrl(struct dvb_usb_device *d, int onoff)
|
||
{
|
||
int ret;
|
||
|
||
dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
|
||
|
||
if (onoff) {
|
||
/* GPIO3=1, GPIO4=0 */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x08, 0x18);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* suspend? */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL1, 0x00, 0x10);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* enable PLL */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x80, 0x80);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* disable reset */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x20, 0x20);
|
||
if (ret)
|
||
goto err;
|
||
|
||
mdelay(5);
|
||
|
||
/* enable ADC */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x48, 0x48);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* streaming EP: clear stall & reset */
|
||
ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x00\x00", 2);
|
||
if (ret)
|
||
goto err;
|
||
|
||
ret = usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, 0x81));
|
||
if (ret)
|
||
goto err;
|
||
} else {
|
||
/* GPIO4=1 */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x10, 0x10);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* disable ADC */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x48);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* disable PLL */
|
||
ret = rtl28xx_wr_reg_mask(d, SYS_DEMOD_CTL, 0x00, 0x80);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* streaming EP: set stall & reset */
|
||
ret = rtl28xx_wr_regs(d, USB_EPA_CTL, "\x10\x02", 2);
|
||
if (ret)
|
||
goto err;
|
||
}
|
||
|
||
return ret;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
#if IS_ENABLED(CONFIG_RC_CORE)
|
||
static int rtl2831u_rc_query(struct dvb_usb_device *d)
|
||
{
|
||
int ret, i;
|
||
struct rtl28xxu_priv *priv = d->priv;
|
||
u8 buf[5];
|
||
u32 rc_code;
|
||
struct rtl28xxu_reg_val rc_nec_tab[] = {
|
||
{ 0x3033, 0x80 },
|
||
{ 0x3020, 0x43 },
|
||
{ 0x3021, 0x16 },
|
||
{ 0x3022, 0x16 },
|
||
{ 0x3023, 0x5a },
|
||
{ 0x3024, 0x2d },
|
||
{ 0x3025, 0x16 },
|
||
{ 0x3026, 0x01 },
|
||
{ 0x3028, 0xb0 },
|
||
{ 0x3029, 0x04 },
|
||
{ 0x302c, 0x88 },
|
||
{ 0x302e, 0x13 },
|
||
{ 0x3030, 0xdf },
|
||
{ 0x3031, 0x05 },
|
||
};
|
||
|
||
/* init remote controller */
|
||
if (!priv->rc_active) {
|
||
for (i = 0; i < ARRAY_SIZE(rc_nec_tab); i++) {
|
||
ret = rtl28xx_wr_reg(d, rc_nec_tab[i].reg,
|
||
rc_nec_tab[i].val);
|
||
if (ret)
|
||
goto err;
|
||
}
|
||
priv->rc_active = true;
|
||
}
|
||
|
||
ret = rtl2831_rd_regs(d, SYS_IRRC_RP, buf, 5);
|
||
if (ret)
|
||
goto err;
|
||
|
||
if (buf[4] & 0x01) {
|
||
if (buf[2] == (u8) ~buf[3]) {
|
||
if (buf[0] == (u8) ~buf[1]) {
|
||
/* NEC standard (16 bit) */
|
||
rc_code = RC_SCANCODE_NEC(buf[0], buf[2]);
|
||
} else {
|
||
/* NEC extended (24 bit) */
|
||
rc_code = RC_SCANCODE_NECX(buf[0] << 8 | buf[1],
|
||
buf[2]);
|
||
}
|
||
} else {
|
||
/* NEC full (32 bit) */
|
||
rc_code = RC_SCANCODE_NEC32(buf[0] << 24 | buf[1] << 16 |
|
||
buf[2] << 8 | buf[3]);
|
||
}
|
||
|
||
rc_keydown(d->rc_dev, RC_TYPE_NEC, rc_code, 0);
|
||
|
||
ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* repeated intentionally to avoid extra keypress */
|
||
ret = rtl28xx_wr_reg(d, SYS_IRRC_SR, 1);
|
||
if (ret)
|
||
goto err;
|
||
}
|
||
|
||
return ret;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl2831u_get_rc_config(struct dvb_usb_device *d,
|
||
struct dvb_usb_rc *rc)
|
||
{
|
||
rc->map_name = RC_MAP_EMPTY;
|
||
rc->allowed_protos = RC_BIT_NEC;
|
||
rc->query = rtl2831u_rc_query;
|
||
rc->interval = 400;
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int rtl2832u_rc_query(struct dvb_usb_device *d)
|
||
{
|
||
int ret, i, len;
|
||
struct rtl28xxu_priv *priv = d->priv;
|
||
struct ir_raw_event ev;
|
||
u8 buf[128];
|
||
static const struct rtl28xxu_reg_val_mask refresh_tab[] = {
|
||
{IR_RX_IF, 0x03, 0xff},
|
||
{IR_RX_BUF_CTRL, 0x80, 0xff},
|
||
{IR_RX_CTRL, 0x80, 0xff},
|
||
};
|
||
|
||
/* init remote controller */
|
||
if (!priv->rc_active) {
|
||
static const struct rtl28xxu_reg_val_mask init_tab[] = {
|
||
{SYS_DEMOD_CTL1, 0x00, 0x04},
|
||
{SYS_DEMOD_CTL1, 0x00, 0x08},
|
||
{USB_CTRL, 0x20, 0x20},
|
||
{SYS_GPIO_DIR, 0x00, 0x08},
|
||
{SYS_GPIO_OUT_EN, 0x08, 0x08},
|
||
{SYS_GPIO_OUT_VAL, 0x08, 0x08},
|
||
{IR_MAX_DURATION0, 0xd0, 0xff},
|
||
{IR_MAX_DURATION1, 0x07, 0xff},
|
||
{IR_IDLE_LEN0, 0xc0, 0xff},
|
||
{IR_IDLE_LEN1, 0x00, 0xff},
|
||
{IR_GLITCH_LEN, 0x03, 0xff},
|
||
{IR_RX_CLK, 0x09, 0xff},
|
||
{IR_RX_CFG, 0x1c, 0xff},
|
||
{IR_MAX_H_TOL_LEN, 0x1e, 0xff},
|
||
{IR_MAX_L_TOL_LEN, 0x1e, 0xff},
|
||
{IR_RX_CTRL, 0x80, 0xff},
|
||
};
|
||
|
||
for (i = 0; i < ARRAY_SIZE(init_tab); i++) {
|
||
ret = rtl28xx_wr_reg_mask(d, init_tab[i].reg,
|
||
init_tab[i].val, init_tab[i].mask);
|
||
if (ret)
|
||
goto err;
|
||
}
|
||
|
||
priv->rc_active = true;
|
||
}
|
||
|
||
ret = rtl28xx_rd_reg(d, IR_RX_IF, &buf[0]);
|
||
if (ret)
|
||
goto err;
|
||
|
||
if (buf[0] != 0x83)
|
||
goto exit;
|
||
|
||
ret = rtl28xx_rd_reg(d, IR_RX_BC, &buf[0]);
|
||
if (ret)
|
||
goto err;
|
||
|
||
len = buf[0];
|
||
|
||
/* read raw code from hw */
|
||
ret = rtl2831_rd_regs(d, IR_RX_BUF, buf, len);
|
||
if (ret)
|
||
goto err;
|
||
|
||
/* let hw receive new code */
|
||
for (i = 0; i < ARRAY_SIZE(refresh_tab); i++) {
|
||
ret = rtl28xx_wr_reg_mask(d, refresh_tab[i].reg,
|
||
refresh_tab[i].val, refresh_tab[i].mask);
|
||
if (ret)
|
||
goto err;
|
||
}
|
||
|
||
/* pass data to Kernel IR decoder */
|
||
init_ir_raw_event(&ev);
|
||
|
||
for (i = 0; i < len; i++) {
|
||
ev.pulse = buf[i] >> 7;
|
||
ev.duration = 50800 * (buf[i] & 0x7f);
|
||
ir_raw_event_store_with_filter(d->rc_dev, &ev);
|
||
}
|
||
|
||
/* 'flush' ir_raw_event_store_with_filter() */
|
||
ir_raw_event_set_idle(d->rc_dev, true);
|
||
ir_raw_event_handle(d->rc_dev);
|
||
exit:
|
||
return ret;
|
||
err:
|
||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||
return ret;
|
||
}
|
||
|
||
static int rtl2832u_get_rc_config(struct dvb_usb_device *d,
|
||
struct dvb_usb_rc *rc)
|
||
{
|
||
/* disable IR interrupts in order to avoid SDR sample loss */
|
||
if (rtl28xxu_disable_rc)
|
||
return rtl28xx_wr_reg(d, IR_RX_IE, 0x00);
|
||
|
||
/* load empty to enable rc */
|
||
if (!rc->map_name)
|
||
rc->map_name = RC_MAP_EMPTY;
|
||
rc->allowed_protos = RC_BIT_ALL;
|
||
rc->driver_type = RC_DRIVER_IR_RAW;
|
||
rc->query = rtl2832u_rc_query;
|
||
rc->interval = 400;
|
||
|
||
return 0;
|
||
}
|
||
#else
|
||
#define rtl2831u_get_rc_config NULL
|
||
#define rtl2832u_get_rc_config NULL
|
||
#endif
|
||
|
||
static const struct dvb_usb_device_properties rtl2831u_props = {
|
||
.driver_name = KBUILD_MODNAME,
|
||
.owner = THIS_MODULE,
|
||
.adapter_nr = adapter_nr,
|
||
.size_of_priv = sizeof(struct rtl28xxu_priv),
|
||
|
||
.power_ctrl = rtl2831u_power_ctrl,
|
||
.i2c_algo = &rtl28xxu_i2c_algo,
|
||
.read_config = rtl2831u_read_config,
|
||
.frontend_attach = rtl2831u_frontend_attach,
|
||
.tuner_attach = rtl2831u_tuner_attach,
|
||
.init = rtl28xxu_init,
|
||
.get_rc_config = rtl2831u_get_rc_config,
|
||
|
||
.num_adapters = 1,
|
||
.adapter = {
|
||
{
|
||
.stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
|
||
},
|
||
},
|
||
};
|
||
|
||
static const struct dvb_usb_device_properties rtl2832u_props = {
|
||
.driver_name = KBUILD_MODNAME,
|
||
.owner = THIS_MODULE,
|
||
.adapter_nr = adapter_nr,
|
||
.size_of_priv = sizeof(struct rtl28xxu_priv),
|
||
|
||
.power_ctrl = rtl2832u_power_ctrl,
|
||
.i2c_algo = &rtl28xxu_i2c_algo,
|
||
.read_config = rtl2832u_read_config,
|
||
.frontend_attach = rtl2832u_frontend_attach,
|
||
.tuner_attach = rtl2832u_tuner_attach,
|
||
.init = rtl28xxu_init,
|
||
.exit = rtl28xxu_exit,
|
||
.get_rc_config = rtl2832u_get_rc_config,
|
||
|
||
.num_adapters = 1,
|
||
.adapter = {
|
||
{
|
||
.stream = DVB_USB_STREAM_BULK(0x81, 6, 8 * 512),
|
||
},
|
||
},
|
||
};
|
||
|
||
static const struct usb_device_id rtl28xxu_id_table[] = {
|
||
/* RTL2831U devices: */
|
||
{ DVB_USB_DEVICE(USB_VID_REALTEK, USB_PID_REALTEK_RTL2831U,
|
||
&rtl2831u_props, "Realtek RTL2831U reference design", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT,
|
||
&rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_FREECOM_DVBT_2,
|
||
&rtl2831u_props, "Freecom USB2.0 DVB-T", NULL) },
|
||
|
||
/* RTL2832U devices: */
|
||
{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2832,
|
||
&rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838,
|
||
&rtl2832u_props, "Realtek RTL2832U reference design", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1,
|
||
&rtl2832u_props, "TerraTec Cinergy T Stick Black", RC_MAP_TERRATEC_SLIM) },
|
||
{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_DELOCK_USB2_DVBT,
|
||
&rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK,
|
||
&rtl2832u_props, "TerraTec NOXON DAB Stick", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV2,
|
||
&rtl2832u_props, "TerraTec NOXON DAB Stick (rev 2)", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK_REV3,
|
||
&rtl2832u_props, "TerraTec NOXON DAB Stick (rev 3)", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_TREKSTOR_TERRES_2_0,
|
||
&rtl2832u_props, "Trekstor DVB-T Stick Terres 2.0", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1101,
|
||
&rtl2832u_props, "Dexatek DK DVB-T Dongle", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6680,
|
||
&rtl2832u_props, "DigitalNow Quad DVB-T Receiver", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_MINID,
|
||
&rtl2832u_props, "Leadtek Winfast DTV Dongle Mini D", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d3,
|
||
&rtl2832u_props, "TerraTec Cinergy T Stick RC (Rev. 3)", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1102,
|
||
&rtl2832u_props, "Dexatek DK mini DVB-T Dongle", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00d7,
|
||
&rtl2832u_props, "TerraTec Cinergy T Stick+", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd3a8,
|
||
&rtl2832u_props, "ASUS My Cinema-U3100Mini Plus V2", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd393,
|
||
&rtl2832u_props, "GIGABYTE U7300", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_DEXATEK, 0x1104,
|
||
&rtl2832u_props, "MSI DIGIVOX Micro HD", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_COMPRO, 0x0620,
|
||
&rtl2832u_props, "Compro VideoMate U620F", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd394,
|
||
&rtl2832u_props, "MaxMedia HU394-T", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a03,
|
||
&rtl2832u_props, "Leadtek WinFast DTV Dongle mini", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_GTEK, USB_PID_CPYTO_REDI_PC50A,
|
||
&rtl2832u_props, "Crypto ReDi PC 50 A", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KYE, 0x707f,
|
||
&rtl2832u_props, "Genius TVGo DVB-T03", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, 0xd395,
|
||
&rtl2832u_props, "Peak DVB-T USB", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV20_RTL2832U,
|
||
&rtl2832u_props, "Sveon STV20", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV21,
|
||
&rtl2832u_props, "Sveon STV21", NULL) },
|
||
{ DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV27,
|
||
&rtl2832u_props, "Sveon STV27", NULL) },
|
||
|
||
/* RTL2832P devices: */
|
||
{ DVB_USB_DEVICE(USB_VID_HANFTEK, 0x0131,
|
||
&rtl2832u_props, "Astrometa DVB-T2", NULL) },
|
||
{ }
|
||
};
|
||
MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table);
|
||
|
||
static struct usb_driver rtl28xxu_usb_driver = {
|
||
.name = KBUILD_MODNAME,
|
||
.id_table = rtl28xxu_id_table,
|
||
.probe = dvb_usbv2_probe,
|
||
.disconnect = dvb_usbv2_disconnect,
|
||
.suspend = dvb_usbv2_suspend,
|
||
.resume = dvb_usbv2_resume,
|
||
.reset_resume = dvb_usbv2_reset_resume,
|
||
.no_dynamic_id = 1,
|
||
.soft_unbind = 1,
|
||
};
|
||
|
||
module_usb_driver(rtl28xxu_usb_driver);
|
||
|
||
MODULE_DESCRIPTION("Realtek RTL28xxU DVB USB driver");
|
||
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
||
MODULE_AUTHOR("Thomas Mair <thomas.mair86@googlemail.com>");
|
||
MODULE_LICENSE("GPL");
|