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[media] ec168: convert to new DVB USB 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-06-12 16:45:54 -03:00 committed by Mauro Carvalho Chehab
parent f093c388ef
commit 3eee04722f
3 changed files with 147 additions and 182 deletions
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2
drivers/media/dvb/dvb-usb/Kconfig
View File

@ -374,7 +374,7 @@ config DVB_USB_FRIIO
config DVB_USB_EC168
tristate "E3C EC168 DVB-T USB2.0 support"
depends on DVB_USB
depends on DVB_USB_V2
select DVB_EC100
select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMISE
help

315
drivers/media/dvb/dvb-usb/ec168.c
View File

@ -29,17 +29,13 @@ module_param_named(debug, dvb_usb_ec168_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static struct ec100_config ec168_ec100_config;
static int ec168_rw_udev(struct usb_device *udev, struct ec168_req *req)
static int ec168_ctrl_msg(struct dvb_usb_device *d, struct ec168_req *req)
{
int ret;
unsigned int pipe;
u8 request, requesttype;
u8 *buf;
switch (req->cmd) {
case DOWNLOAD_FIRMWARE:
case GPIO:
@ -83,15 +79,15 @@ static int ec168_rw_udev(struct usb_device *udev, struct ec168_req *req)
if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
/* write */
memcpy(buf, req->data, req->size);
pipe = usb_sndctrlpipe(udev, 0);
pipe = usb_sndctrlpipe(d->udev, 0);
} else {
/* read */
pipe = usb_rcvctrlpipe(udev, 0);
pipe = usb_rcvctrlpipe(d->udev, 0);
}
msleep(1); /* avoid I2C errors */
ret = usb_control_msg(udev, pipe, request, requesttype, req->value,
ret = usb_control_msg(d->udev, pipe, request, requesttype, req->value,
req->index, buf, req->size, EC168_USB_TIMEOUT);
ec168_debug_dump(request, requesttype, req->value, req->index, buf,
@ -116,12 +112,9 @@ static int ec168_rw_udev(struct usb_device *udev, struct ec168_req *req)
return ret;
}
static int ec168_ctrl_msg(struct dvb_usb_device *d, struct ec168_req *req)
{
return ec168_rw_udev(d->udev, req);
}
/* I2C */
static struct ec100_config ec168_ec100_config;
static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
@ -181,7 +174,6 @@ static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
return i;
}
static u32 ec168_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
@ -193,6 +185,89 @@ static struct i2c_algorithm ec168_i2c_algo = {
};
/* Callbacks for DVB USB */
static int ec168_identify_state(struct dvb_usb_device *d)
{
int ret;
u8 reply;
struct ec168_req req = {GET_CONFIG, 0, 1, sizeof(reply), &reply};
deb_info("%s:\n", __func__);
ret = ec168_ctrl_msg(d, &req);
if (ret)
goto error;
deb_info("%s: reply:%02x\n", __func__, reply);
if (reply == 0x01)
ret = WARM;
else
ret = COLD;
return ret;
error:
deb_info("%s: failed:%d\n", __func__, ret);
return ret;
}
static int ec168_download_firmware(struct dvb_usb_device *d,
const struct firmware *fw)
{
int i, len, packets, remainder, ret;
u16 addr = 0x0000; /* firmware start address */
struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL};
deb_info("%s:\n", __func__);
#define FW_PACKET_MAX_DATA 2048
packets = fw->size / FW_PACKET_MAX_DATA;
remainder = fw->size % FW_PACKET_MAX_DATA;
len = FW_PACKET_MAX_DATA;
for (i = 0; i <= packets; i++) {
if (i == packets) /* set size of the last packet */
len = remainder;
req.size = len;
req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
req.index = addr;
addr += FW_PACKET_MAX_DATA;
ret = ec168_ctrl_msg(d, &req);
if (ret) {
err("firmware download failed:%d packet:%d", ret, i);
goto error;
}
}
req.size = 0;
/* set "warm"? */
req.cmd = SET_CONFIG;
req.value = 0;
req.index = 0x0001;
ret = ec168_ctrl_msg(d, &req);
if (ret)
goto error;
/* really needed - no idea what does */
req.cmd = GPIO;
req.value = 0;
req.index = 0x0206;
ret = ec168_ctrl_msg(d, &req);
if (ret)
goto error;
/* activate tuner I2C? */
req.cmd = WRITE_I2C;
req.value = 0;
req.index = 0x00c6;
ret = ec168_ctrl_msg(d, &req);
if (ret)
goto error;
return ret;
error:
deb_info("%s: failed:%d\n", __func__, ret);
return ret;
}
static struct ec100_config ec168_ec100_config = {
.demod_address = 0xff, /* not real address, demod is integrated */
};
@ -200,9 +275,9 @@ static struct ec100_config ec168_ec100_config = {
static int ec168_ec100_frontend_attach(struct dvb_usb_adapter *adap)
{
deb_info("%s:\n", __func__);
adap->fe_adap[0].fe = dvb_attach(ec100_attach, &ec168_ec100_config,
adap->fe[0] = dvb_attach(ec100_attach, &ec168_ec100_config,
&adap->dev->i2c_adap);
if (adap->fe_adap[0].fe == NULL)
if (adap->fe[0] == NULL)
return -ENODEV;
return 0;
@ -228,8 +303,9 @@ static struct mxl5005s_config ec168_mxl5003s_config = {
static int ec168_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
{
deb_info("%s:\n", __func__);
return dvb_attach(mxl5005s_attach, adap->fe_adap[0].fe, &adap->dev->i2c_adap,
&ec168_mxl5003s_config) == NULL ? -ENODEV : 0;
return dvb_attach(mxl5005s_attach, adap->fe[0],
&adap->dev->i2c_adap,
&ec168_mxl5003s_config) == NULL ? -ENODEV : 0;
}
static int ec168_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
@ -241,152 +317,27 @@ static int ec168_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
return ec168_ctrl_msg(adap->dev, &req);
}
static int ec168_download_firmware(struct usb_device *udev,
const struct firmware *fw)
{
int i, len, packets, remainder, ret;
u16 addr = 0x0000; /* firmware start address */
struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL};
deb_info("%s:\n", __func__);
#define FW_PACKET_MAX_DATA 2048
packets = fw->size / FW_PACKET_MAX_DATA;
remainder = fw->size % FW_PACKET_MAX_DATA;
len = FW_PACKET_MAX_DATA;
for (i = 0; i <= packets; i++) {
if (i == packets) /* set size of the last packet */
len = remainder;
req.size = len;
req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
req.index = addr;
addr += FW_PACKET_MAX_DATA;
ret = ec168_rw_udev(udev, &req);
if (ret) {
err("firmware download failed:%d packet:%d", ret, i);
goto error;
}
}
req.size = 0;
/* set "warm"? */
req.cmd = SET_CONFIG;
req.value = 0;
req.index = 0x0001;
ret = ec168_rw_udev(udev, &req);
if (ret)
goto error;
/* really needed - no idea what does */
req.cmd = GPIO;
req.value = 0;
req.index = 0x0206;
ret = ec168_rw_udev(udev, &req);
if (ret)
goto error;
/* activate tuner I2C? */
req.cmd = WRITE_I2C;
req.value = 0;
req.index = 0x00c6;
ret = ec168_rw_udev(udev, &req);
if (ret)
goto error;
return ret;
error:
deb_info("%s: failed:%d\n", __func__, ret);
return ret;
}
static int ec168_identify_state(struct usb_device *udev,
struct dvb_usb_device_properties *props,
struct dvb_usb_device_description **desc, int *cold)
{
int ret;
u8 reply;
struct ec168_req req = {GET_CONFIG, 0, 1, sizeof(reply), &reply};
deb_info("%s:\n", __func__);
ret = ec168_rw_udev(udev, &req);
if (ret)
goto error;
deb_info("%s: reply:%02x\n", __func__, reply);
if (reply == 0x01)
*cold = 0;
else
*cold = 1;
return ret;
error:
deb_info("%s: failed:%d\n", __func__, ret);
return ret;
}
/* DVB USB Driver stuff */
static struct dvb_usb_device_properties ec168_properties;
/* bInterfaceNumber 0 is HID
* bInterfaceNumber 1 is DVB-T */
static struct dvb_usb_device_properties ec168_props = {
.driver_name = KBUILD_MODNAME,
.owner = THIS_MODULE,
.adapter_nr = adapter_nr,
.bInterfaceNumber = 1,
static int ec168_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int ret;
deb_info("%s: interface:%d\n", __func__,
intf->cur_altsetting->desc.bInterfaceNumber);
ret = dvb_usb_device_init(intf, &ec168_properties, THIS_MODULE, NULL,
adapter_nr);
if (ret)
goto error;
return ret;
error:
deb_info("%s: failed:%d\n", __func__, ret);
return ret;
}
#define E3C_EC168_1689 0
#define E3C_EC168_FFFA 1
#define E3C_EC168_FFFB 2
#define E3C_EC168_1001 3
#define E3C_EC168_1002 4
static struct usb_device_id ec168_id[] = {
[E3C_EC168_1689] =
{USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168)},
[E3C_EC168_FFFA] =
{USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_2)},
[E3C_EC168_FFFB] =
{USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_3)},
[E3C_EC168_1001] =
{USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_4)},
[E3C_EC168_1002] =
{USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_5)},
{} /* terminating entry */
};
MODULE_DEVICE_TABLE(usb, ec168_id);
static struct dvb_usb_device_properties ec168_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = DEVICE_SPECIFIC,
.download_firmware = ec168_download_firmware,
.identify_state = ec168_identify_state,
.firmware = "dvb-usb-ec168.fw",
.no_reconnect = 1,
.download_firmware = ec168_download_firmware,
.size_of_priv = 0,
.i2c_algo = &ec168_i2c_algo,
.frontend_attach = ec168_ec100_frontend_attach,
.tuner_attach = ec168_mxl5003s_tuner_attach,
.streaming_ctrl = ec168_streaming_ctrl,
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.streaming_ctrl = ec168_streaming_ctrl,
.frontend_attach = ec168_ec100_frontend_attach,
.tuner_attach = ec168_mxl5003s_tuner_attach,
.stream = {
.type = USB_BULK,
.count = 6,
@ -397,35 +348,39 @@ static struct dvb_usb_device_properties ec168_properties = {
}
}
},
}},
}
},
.identify_state = ec168_identify_state,
.i2c_algo = &ec168_i2c_algo,
.num_device_descs = 1,
.devices = {
{
.name = "E3C EC168 DVB-T USB2.0 reference design",
.cold_ids = {
&ec168_id[E3C_EC168_1689],
&ec168_id[E3C_EC168_FFFA],
&ec168_id[E3C_EC168_FFFB],
&ec168_id[E3C_EC168_1001],
&ec168_id[E3C_EC168_1002],
NULL},
.warm_ids = {NULL},
},
}
};
static const struct dvb_usb_driver_info ec168_driver_info = {
.name = "E3C EC168 reference design",
.props = &ec168_props,
};
static const struct usb_device_id ec168_id[] = {
{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168),
.driver_info = (kernel_ulong_t) &ec168_driver_info },
{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_2),
.driver_info = (kernel_ulong_t) &ec168_driver_info },
{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_3),
.driver_info = (kernel_ulong_t) &ec168_driver_info },
{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_4),
.driver_info = (kernel_ulong_t) &ec168_driver_info },
{ USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_5),
.driver_info = (kernel_ulong_t) &ec168_driver_info },
{}
};
MODULE_DEVICE_TABLE(usb, ec168_id);
static struct usb_driver ec168_driver = {
.name = "dvb_usb_ec168",
.probe = ec168_probe,
.disconnect = dvb_usb_device_exit,
.id_table = ec168_id,
.name = KBUILD_MODNAME,
.id_table = ec168_id,
.probe = dvb_usbv2_probe,
.disconnect = dvb_usbv2_disconnect,
.suspend = dvb_usbv2_suspend,
.resume = dvb_usbv2_resume,
.no_dynamic_id = 1,
.soft_unbind = 1,
};
module_usb_driver(ec168_driver);

12
drivers/media/dvb/dvb-usb/ec168.h
View File

@ -23,7 +23,17 @@
#define EC168_H
#define DVB_USB_LOG_PREFIX "ec168"
#include "dvb-usb.h"
#include "dvb_usb.h"
#ifdef CONFIG_DVB_USB_DEBUG
#define dprintk(var, level, args...) \
do { if ((var & level)) printk(args); } while (0)
#define DVB_USB_DEBUG_STATUS
#else
#define dprintk(args...)
#define debug_dump(b, l, func)
#define DVB_USB_DEBUG_STATUS " (debugging is not enabled)"
#endif
#define deb_info(args...) dprintk(dvb_usb_ec168_debug, 0x01, args)
#define deb_rc(args...) dprintk(dvb_usb_ec168_debug, 0x02, args)