/*
* Driver for AzureWave 6007 DVB-C/T USB2.0 and clones
*
* Copyright (c) Henry Wang <Henry.wang@AzureWave.com>
*
* This driver was made publicly available by Terratec, at:
* http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz
* The original driver's license is GPL, as declared with MODULE_LICENSE()
*
* Driver modifiyed by Mauro Carvalho Chehab <mchehab@redhat.com> in order
* to work with upstream drxk driver, and to fix some bugs.
*
* 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 under version 2 of the License.
*
* 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.
*/
#include "drxk.h"
#include "mt2063.h"
#include "dvb_ca_en50221.h"
#define DVB_USB_LOG_PREFIX "az6007"
#include "dvb-usb.h"
/* debug */
int dvb_usb_az6007_debug;
module_param_named(debug, dvb_usb_az6007_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))."
DVB_USB_DEBUG_STATUS);
#define deb_info(args...) dprintk(dvb_usb_az6007_debug, 0x01, args)
#define deb_xfer(args...) dprintk(dvb_usb_az6007_debug, 0x02, args)
#define deb_rc(args...) dprintk(dvb_usb_az6007_debug, 0x04, args)
#define deb_fe(args...) dprintk(dvb_usb_az6007_debug, 0x08, args)
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
/* Known requests (Cypress FX2 firmware + az6007 "private" ones*/
#define FX2_OED 0xb5
#define AZ6007_READ_DATA 0xb7
#define AZ6007_I2C_RD 0xb9
#define AZ6007_POWER 0xbc
#define AZ6007_I2C_WR 0xbd
#define FX2_SCON1 0xc0
#define AZ6007_TS_THROUGH 0xc7
#define AZ6007_READ_IR 0xb4
struct az6007_device_state {
struct dvb_ca_en50221 ca;
struct mutex ca_mutex;
u8 power_state;
/* Due to DRX-K - probably need changes */
int (*gate_ctrl) (struct dvb_frontend *, int);
struct semaphore pll_mutex;
bool tuner_attached;
};
static struct drxk_config terratec_h7_drxk = {
.adr = 0x29,
.parallel_ts = true,
.dynamic_clk = true,
.single_master = true,
.enable_merr_cfg = true,
.no_i2c_bridge = false,
.chunk_size = 64,
.mpeg_out_clk_strength = 0x02,
.microcode_name = "dvb-usb-terratec-h7-az6007.fw",
};
static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct dvb_usb_adapter *adap = fe->sec_priv;
struct az6007_device_state *st;
int status = 0;
deb_info("%s: %s\n", __func__, enable ? "enable" : "disable");
if (!adap)
return -EINVAL;
st = adap->dev->priv;
if (!st)
return -EINVAL;
if (enable) {
#if 0
down(&st->pll_mutex);
#endif
status = st->gate_ctrl(fe, 1);
} else {
#if 0
status = st->gate_ctrl(fe, 0);
#endif
up(&st->pll_mutex);
}
return status;
}
static struct mt2063_config az6007_mt2063_config = {
.tuner_address = 0x60,
.refclock = 36125000,
};
/* check for mutex FIXME */
static int az6007_read(struct usb_device *udev, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
int ret;
ret = usb_control_msg(udev,
usb_rcvctrlpipe(udev, 0),
req,
USB_TYPE_VENDOR | USB_DIR_IN,
value, index, b, blen, 5000);
if (ret < 0) {
warn("usb read operation failed. (%d)", ret);
return -EIO;
}
deb_xfer("in: req. %02x, val: %04x, ind: %04x, buffer: ", req, value,
index);
debug_dump(b, blen, deb_xfer);
return ret;
}
static int az6007_write(struct usb_device *udev, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
int ret;
deb_xfer("out: req. %02x, val: %04x, ind: %04x, buffer: ", req, value,
index);
debug_dump(b, blen, deb_xfer);
if (blen > 64) {
err("az6007: tried to write %d bytes, but I2C max size is 64 bytes\n",
blen);
return -EOPNOTSUPP;
}
ret = usb_control_msg(udev,
usb_sndctrlpipe(udev, 0),
req,
USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, b, blen, 5000);
if (ret != blen) {
err("usb write operation failed. (%d)", ret);
return -EIO;
}
return 0;
}
static int az6007_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
return 0;
}
/* keys for the enclosed remote control */
static struct rc_map_table rc_map_az6007_table[] = {
{0x0001, KEY_1},
{0x0002, KEY_2},
};
/* remote control stuff (does not work with my box) */
static int az6007_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
{
struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
u8 key[10];
int i;
/*
* FIXME: remove the following return to enabled remote querying
* The driver likely needs proper locking to avoid troubles between
* this call and other concurrent calls.
*/
return 0;
az6007_read(d->udev, AZ6007_READ_IR, 0, 0, key, 10);
if (key[1] == 0x44) {
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}
/*
* FIXME: need to make something useful with the keycodes and to
* convert it to the non-legacy mode. Yet, it is producing some
* debug info already, like:
* 88 04 eb 02 fd ff 00 82 63 82 (terratec IR)
* 88 04 eb 03 fc 00 00 82 63 82 (terratec IR)
* 88 80 7e 0d f2 ff 00 82 63 82 (another NEC-extended based IR)
* I suspect that the IR data is at bytes 1 to 4, and byte 5 is parity
*/
deb_rc("remote query key: %x %d\n", key[1], key[1]);
print_hex_dump_bytes("Remote: ", DUMP_PREFIX_NONE, key, 10);
for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
if (rc5_custom(&keymap[i]) == key[1]) {
*event = keymap[i].keycode;
*state = REMOTE_KEY_PRESSED;
return 0;
}
}
return 0;
}
#if 0
int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
{
u8 v = onoff;
return az6007_write(d->udev, AZ6007_POWER, v , 3, NULL, 1);
}
#endif
static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
{
int ret;
ret = az6007_read(d->udev, AZ6007_READ_DATA, 6, 0, mac, 6);
if (ret > 0)
deb_info("%s: mac is %02x:%02x:%02x:%02x:%02x:%02x\n",
__func__, mac[0], mac[1], mac[2],
mac[3], mac[4], mac[5]);
return ret;
}
static int az6007_frontend_poweron(struct dvb_usb_adapter *adap)
{
int ret;
struct usb_device *udev = adap->dev->udev;
deb_info("%s: adap=%p adap->dev=%p\n", __func__, adap, adap->dev);
ret = az6007_write(udev, AZ6007_POWER, 0, 2, NULL, 0);
if (ret < 0)
goto error;
msleep(150);
ret = az6007_write(udev, AZ6007_POWER, 1, 4, NULL, 0);
if (ret < 0)
goto error;
msleep(100);
ret = az6007_write(udev, AZ6007_POWER, 1, 3, NULL, 0);
if (ret < 0)
goto error;
msleep(100);
ret = az6007_write(udev, AZ6007_POWER, 1, 4, NULL, 0);
if (ret < 0)
goto error;
msleep(100);
ret = az6007_write(udev, FX2_SCON1, 0, 3, NULL, 0);
if (ret < 0)
goto error;
msleep (10);
ret = az6007_write(udev, FX2_SCON1, 1, 3, NULL, 0);
if (ret < 0)
goto error;
msleep (10);
ret = az6007_write(udev, AZ6007_POWER, 0, 0, NULL, 0);
error:
if (ret < 0)
err("%s failed with error %d", __func__, ret);
return ret;
}
static int az6007_led_on_off(struct usb_interface *intf, int onoff)
{
struct usb_device *udev = interface_to_usbdev(intf);
int ret;
/* TS through */
ret = az6007_write(udev, AZ6007_POWER, onoff, 0, NULL, 0);
if (ret < 0)
err("%s failed with error %d", __func__, ret);
return ret;
}
static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
{
struct az6007_device_state *st = adap->dev->priv;
BUG_ON(!st);
az6007_frontend_poweron(adap);
info("attaching demod drxk");
adap->fe_adap[0].fe = dvb_attach(drxk_attach, &terratec_h7_drxk,
&adap->dev->i2c_adap);
if (!adap->fe_adap[0].fe)
return -EINVAL;
adap->fe_adap[0].fe->sec_priv = adap;
/* FIXME: do we need a pll semaphore? */
sema_init(&st->pll_mutex, 1);
st->gate_ctrl = adap->fe_adap[0].fe->ops.i2c_gate_ctrl;
adap->fe_adap[0].fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
return 0;
}
static int az6007_tuner_attach(struct dvb_usb_adapter *adap)
{
struct az6007_device_state *st = adap->dev->priv;
if (st->tuner_attached)
return 0;
st->tuner_attached = true;
info("attaching tuner mt2063");
/* Attach mt2063 to DVB-C frontend */
if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl)
adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 1);
if (!dvb_attach(mt2063_attach, adap->fe_adap[0].fe,
&az6007_mt2063_config,
&adap->dev->i2c_adap))
return -EINVAL;
if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl)
adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 0);
return 0;
}
int az6007_power_ctrl(struct dvb_usb_device *d, int onoff)
{
if (!onoff)
return 0;
info("Sending poweron sequence");
az6007_write(d->udev, AZ6007_TS_THROUGH, 0, 0, NULL, 0);
#if 0
// Seems to be a poweroff sequence
az6007_write(d->udev, 0xbc, 1, 3, NULL, 0);
az6007_write(d->udev, 0xbc, 1, 4, NULL, 0);
az6007_write(d->udev, 0xc0, 0, 3, NULL, 0);
az6007_write(d->udev, 0xc0, 1, 3, NULL, 0);
az6007_write(d->udev, 0xbc, 0, 1, NULL, 0);
#endif
return 0;
}
static struct dvb_usb_device_properties az6007_properties;
static void az6007_usb_disconnect(struct usb_interface *intf)
{
dvb_usb_device_exit(intf);
}
/* I2C */
static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i, j, len;
int ret = 0;
u16 index;
u16 value;
int length;
u8 req, addr;
u8 data[512];
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
for (i = 0; i < num; i++) {
addr = msgs[i].addr << 1;
if (((i + 1) < num)
&& (msgs[i].len == 1)
&& (!msgs[i].flags & I2C_M_RD)
&& (msgs[i + 1].flags & I2C_M_RD)
&& (msgs[i].addr == msgs[i + 1].addr)) {
/*
* A write + read xfer for the same address, where
* the first xfer has just 1 byte length.
* Need to join both into one operation
*/
if (dvb_usb_az6007_debug & 2)
printk(KERN_DEBUG
"az6007 I2C xfer write+read addr=0x%x len=%d/%d: ",
addr, msgs[i].len, msgs[i + 1].len);
req = AZ6007_I2C_RD;
index = msgs[i].buf[0];
value = addr | (1 << 8);
length = 6 + msgs[i + 1].len;
len = msgs[i + 1].len;
ret = az6007_read(d->udev, req, value, index, data,
length);
if (ret >= len) {
for (j = 0; j < len; j++) {
msgs[i + 1].buf[j] = data[j + 5];
if (dvb_usb_az6007_debug & 2)
printk(KERN_CONT
"0x%02x ",
msgs[i + 1].buf[j]);
}
} else
ret = -EIO;
i++;
} else if (!(msgs[i].flags & I2C_M_RD)) {
/* write bytes */
if (dvb_usb_az6007_debug & 2)
printk(KERN_DEBUG
"az6007 I2C xfer write addr=0x%x len=%d: ",
addr, msgs[i].len);
req = AZ6007_I2C_WR;
index = msgs[i].buf[0];
value = addr | (1 << 8);
length = msgs[i].len - 1;
len = msgs[i].len - 1;
if (dvb_usb_az6007_debug & 2)
printk(KERN_CONT "(0x%02x) ", msgs[i].buf[0]);
for (j = 0; j < len; j++) {
data[j] = msgs[i].buf[j + 1];
if (dvb_usb_az6007_debug & 2)
printk(KERN_CONT "0x%02x ", data[j]);
}
ret = az6007_write(d->udev, req, value, index, data,
length);
} else {
/* read bytes */
if (dvb_usb_az6007_debug & 2)
printk(KERN_DEBUG
"az6007 I2C xfer read addr=0x%x len=%d: ",
addr, msgs[i].len);
req = AZ6007_I2C_RD;
index = msgs[i].buf[0];
value = addr;
length = msgs[i].len + 6;
len = msgs[i].len;
ret = az6007_read(d->udev, req, value, index, data,
length);
for (j = 0; j < len; j++) {
msgs[i].buf[j] = data[j + 5];
if (dvb_usb_az6007_debug & 2)
printk(KERN_CONT
"0x%02x ", data[j + 5]);
}
}
if (dvb_usb_az6007_debug & 2)
printk(KERN_CONT "\n");
if (ret < 0)
goto err;
}
err:
mutex_unlock(&d->i2c_mutex);
if (ret < 0) {
info("%s ERROR: %i", __func__, ret);
return ret;
}
return num;
}
static u32 az6007_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm az6007_i2c_algo = {
.master_xfer = az6007_i2c_xfer,
.functionality = az6007_i2c_func,
};
int az6007_identify_state(struct usb_device *udev,
struct dvb_usb_device_properties *props,
struct dvb_usb_device_description **desc, int *cold)
{
int ret;
u8 mac[6];
/* Try to read the mac address */
ret = az6007_read(udev, AZ6007_READ_DATA, 6, 0, mac, 6);
if (ret == 6)
*cold = 0;
else
*cold = 1;
deb_info("Device is on %s state\n", *cold? "warm" : "cold");
return 0;
}
static int az6007_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
az6007_led_on_off(intf, 0);
return dvb_usb_device_init(intf, &az6007_properties,
THIS_MODULE, NULL, adapter_nr);
}
static struct usb_device_id az6007_usb_table[] = {
{USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007)},
{USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7)},
{0},
};
MODULE_DEVICE_TABLE(usb, az6007_usb_table);
static struct dvb_usb_device_properties az6007_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-terratec-h7-az6007.fw",
.no_reconnect = 1,
.size_of_priv = sizeof(struct az6007_device_state),
.identify_state = az6007_identify_state,
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.streaming_ctrl = az6007_streaming_ctrl,
.tuner_attach = az6007_tuner_attach,
.frontend_attach = az6007_frontend_attach,
/* parameter for the MPEG2-data transfer */
.stream = {
.type = USB_BULK,
.count = 10,
.endpoint = 0x02,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
}}
} },
.power_ctrl = az6007_power_ctrl,
.read_mac_address = az6007_read_mac_addr,
.rc.legacy = {
.rc_map_table = rc_map_az6007_table,
.rc_map_size = ARRAY_SIZE(rc_map_az6007_table),
.rc_interval = 400,
.rc_query = az6007_rc_query,
},
.i2c_algo = &az6007_i2c_algo,
.num_device_descs = 2,
.devices = {
{ .name = "AzureWave DTV StarBox DVB-T/C USB2.0 (az6007)",
.cold_ids = { &az6007_usb_table[0], NULL },
.warm_ids = { NULL },
},
{ .name = "TerraTec DTV StarBox DVB-T/C USB2.0 (az6007)",
.cold_ids = { &az6007_usb_table[1], NULL },
.warm_ids = { NULL },
},
{ NULL },
}
};
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver az6007_usb_driver = {
.name = "dvb_usb_az6007",
.probe = az6007_usb_probe,
.disconnect = dvb_usb_device_exit,
/* .disconnect = az6007_usb_disconnect, */
.id_table = az6007_usb_table,
};
/* module stuff */
static int __init az6007_usb_module_init(void)
{
int result;
deb_info("az6007 usb module init\n");
result = usb_register(&az6007_usb_driver);
if (result) {
err("usb_register failed. (%d)", result);
return result;
}
return 0;
}
static void __exit az6007_usb_module_exit(void)
{
/* deregister this driver from the USB subsystem */
deb_info("az6007 usb module exit\n");
usb_deregister(&az6007_usb_driver);
}
module_init(az6007_usb_module_init);
module_exit(az6007_usb_module_exit);
MODULE_AUTHOR("Henry Wang <Henry.wang@AzureWave.com>");
MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones");
MODULE_VERSION("1.1");
MODULE_LICENSE("GPL");
