293 строки
7.1 KiB
C
293 строки
7.1 KiB
C
/*
|
|
* Intel CE6230 DVB USB driver
|
|
*
|
|
* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#include "ce6230.h"
|
|
|
|
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
|
|
|
static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
|
|
{
|
|
int ret;
|
|
unsigned int pipe;
|
|
u8 request;
|
|
u8 requesttype;
|
|
u16 value;
|
|
u16 index;
|
|
u8 *buf;
|
|
|
|
request = req->cmd;
|
|
value = req->value;
|
|
index = req->index;
|
|
|
|
switch (req->cmd) {
|
|
case I2C_READ:
|
|
case DEMOD_READ:
|
|
case REG_READ:
|
|
requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
|
|
break;
|
|
case I2C_WRITE:
|
|
case DEMOD_WRITE:
|
|
case REG_WRITE:
|
|
requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
|
|
break;
|
|
default:
|
|
dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
|
|
KBUILD_MODNAME, req->cmd);
|
|
ret = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
buf = kmalloc(req->data_len, GFP_KERNEL);
|
|
if (!buf) {
|
|
ret = -ENOMEM;
|
|
goto error;
|
|
}
|
|
|
|
if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
|
|
/* write */
|
|
memcpy(buf, req->data, req->data_len);
|
|
pipe = usb_sndctrlpipe(d->udev, 0);
|
|
} else {
|
|
/* read */
|
|
pipe = usb_rcvctrlpipe(d->udev, 0);
|
|
}
|
|
|
|
msleep(1); /* avoid I2C errors */
|
|
|
|
ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index,
|
|
buf, req->data_len, CE6230_USB_TIMEOUT);
|
|
|
|
dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, value, index,
|
|
buf, req->data_len);
|
|
|
|
if (ret < 0)
|
|
dev_err(&d->udev->dev, "%s: usb_control_msg() failed=%d\n",
|
|
KBUILD_MODNAME, ret);
|
|
else
|
|
ret = 0;
|
|
|
|
/* read request, copy returned data to return buf */
|
|
if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
|
|
memcpy(req->data, buf, req->data_len);
|
|
|
|
kfree(buf);
|
|
error:
|
|
return ret;
|
|
}
|
|
|
|
/* I2C */
|
|
static struct zl10353_config ce6230_zl10353_config;
|
|
|
|
static int ce6230_i2c_master_xfer(struct i2c_adapter *adap,
|
|
struct i2c_msg msg[], int num)
|
|
{
|
|
struct dvb_usb_device *d = i2c_get_adapdata(adap);
|
|
int ret = 0, i = 0;
|
|
struct usb_req req;
|
|
|
|
if (num > 2)
|
|
return -EOPNOTSUPP;
|
|
|
|
memset(&req, 0, sizeof(req));
|
|
|
|
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
|
|
return -EAGAIN;
|
|
|
|
while (i < num) {
|
|
if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
|
|
if (msg[i].addr ==
|
|
ce6230_zl10353_config.demod_address) {
|
|
req.cmd = DEMOD_READ;
|
|
req.value = msg[i].addr >> 1;
|
|
req.index = msg[i].buf[0];
|
|
req.data_len = msg[i+1].len;
|
|
req.data = &msg[i+1].buf[0];
|
|
ret = ce6230_ctrl_msg(d, &req);
|
|
} else {
|
|
dev_err(&d->udev->dev, "%s: I2C read not " \
|
|
"implemented\n",
|
|
KBUILD_MODNAME);
|
|
ret = -EOPNOTSUPP;
|
|
}
|
|
i += 2;
|
|
} else {
|
|
if (msg[i].addr ==
|
|
ce6230_zl10353_config.demod_address) {
|
|
req.cmd = DEMOD_WRITE;
|
|
req.value = msg[i].addr >> 1;
|
|
req.index = msg[i].buf[0];
|
|
req.data_len = msg[i].len-1;
|
|
req.data = &msg[i].buf[1];
|
|
ret = ce6230_ctrl_msg(d, &req);
|
|
} else {
|
|
req.cmd = I2C_WRITE;
|
|
req.value = 0x2000 + (msg[i].addr >> 1);
|
|
req.index = 0x0000;
|
|
req.data_len = msg[i].len;
|
|
req.data = &msg[i].buf[0];
|
|
ret = ce6230_ctrl_msg(d, &req);
|
|
}
|
|
i += 1;
|
|
}
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
mutex_unlock(&d->i2c_mutex);
|
|
return ret ? ret : i;
|
|
}
|
|
|
|
static u32 ce6230_i2c_functionality(struct i2c_adapter *adapter)
|
|
{
|
|
return I2C_FUNC_I2C;
|
|
}
|
|
|
|
static struct i2c_algorithm ce6230_i2c_algorithm = {
|
|
.master_xfer = ce6230_i2c_master_xfer,
|
|
.functionality = ce6230_i2c_functionality,
|
|
};
|
|
|
|
/* Callbacks for DVB USB */
|
|
static struct zl10353_config ce6230_zl10353_config = {
|
|
.demod_address = 0x1e,
|
|
.adc_clock = 450000,
|
|
.if2 = 45700,
|
|
.no_tuner = 1,
|
|
.parallel_ts = 1,
|
|
.clock_ctl_1 = 0x34,
|
|
.pll_0 = 0x0e,
|
|
};
|
|
|
|
static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
|
|
{
|
|
struct dvb_usb_device *d = adap_to_d(adap);
|
|
|
|
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
|
|
|
adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
|
|
&d->i2c_adap);
|
|
if (adap->fe[0] == NULL)
|
|
return -ENODEV;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct mxl5005s_config ce6230_mxl5003s_config = {
|
|
.i2c_address = 0xc6,
|
|
.if_freq = IF_FREQ_4570000HZ,
|
|
.xtal_freq = CRYSTAL_FREQ_16000000HZ,
|
|
.agc_mode = MXL_SINGLE_AGC,
|
|
.tracking_filter = MXL_TF_DEFAULT,
|
|
.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 ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
|
|
{
|
|
struct dvb_usb_device *d = adap_to_d(adap);
|
|
int ret;
|
|
|
|
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
|
|
|
ret = dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
|
|
&ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
|
|
return ret;
|
|
}
|
|
|
|
static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
|
|
{
|
|
int ret;
|
|
|
|
dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
|
|
|
|
/* InterfaceNumber 1 / AlternateSetting 0 idle
|
|
InterfaceNumber 1 / AlternateSetting 1 streaming */
|
|
ret = usb_set_interface(d->udev, 1, onoff);
|
|
if (ret)
|
|
dev_err(&d->udev->dev, "%s: usb_set_interface() failed=%d\n",
|
|
KBUILD_MODNAME, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* DVB USB Driver stuff */
|
|
static struct dvb_usb_device_properties ce6230_props = {
|
|
.driver_name = KBUILD_MODNAME,
|
|
.owner = THIS_MODULE,
|
|
.adapter_nr = adapter_nr,
|
|
.bInterfaceNumber = 1,
|
|
|
|
.i2c_algo = &ce6230_i2c_algorithm,
|
|
.power_ctrl = ce6230_power_ctrl,
|
|
.frontend_attach = ce6230_zl10353_frontend_attach,
|
|
.tuner_attach = ce6230_mxl5003s_tuner_attach,
|
|
|
|
.num_adapters = 1,
|
|
.adapter = {
|
|
{
|
|
.stream = {
|
|
.type = USB_BULK,
|
|
.count = 6,
|
|
.endpoint = 0x82,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = (16 * 512),
|
|
}
|
|
}
|
|
},
|
|
}
|
|
},
|
|
};
|
|
|
|
static const struct usb_device_id ce6230_id_table[] = {
|
|
{ DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500,
|
|
&ce6230_props, "Intel CE9500 reference design", NULL) },
|
|
{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310,
|
|
&ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, ce6230_id_table);
|
|
|
|
static struct usb_driver ce6230_usb_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = ce6230_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(ce6230_usb_driver);
|
|
|
|
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
|
MODULE_DESCRIPTION("Intel CE6230 driver");
|
|
MODULE_LICENSE("GPL");
|