/* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver
*
* Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org)
*
* 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, version 2.
*
* see Documentation/dvb/README.dvb-usb for more information
*/
#include "m920x.h"
#include "mt352.h"
#include "mt352_priv.h"
#include "qt1010.h"
/* debug */
static int dvb_usb_m920x_debug;
module_param_named(debug,dvb_usb_m920x_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
static struct dvb_usb_rc_key megasky_rc_keys [] = {
{ 0x0, 0x12, KEY_POWER },
{ 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */
{ 0x0, 0x02, KEY_CHANNELUP },
{ 0x0, 0x05, KEY_CHANNELDOWN },
{ 0x0, 0x03, KEY_VOLUMEUP },
{ 0x0, 0x06, KEY_VOLUMEDOWN },
{ 0x0, 0x04, KEY_MUTE },
{ 0x0, 0x07, KEY_OK }, /* TS */
{ 0x0, 0x08, KEY_STOP },
{ 0x0, 0x09, KEY_MENU }, /* swap */
{ 0x0, 0x0a, KEY_REWIND },
{ 0x0, 0x1b, KEY_PAUSE },
{ 0x0, 0x1f, KEY_FASTFORWARD },
{ 0x0, 0x0c, KEY_RECORD },
{ 0x0, 0x0d, KEY_CAMERA }, /* screenshot */
{ 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */
};
static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\
u16 index, void *data, int size)
{
int ret;
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_IN,
value, index, data, size, 2000);
if (ret < 0)
return ret;
if (ret != size)
return -EIO;
return 0;
}
static inline int m9206_write(struct usb_device *udev, u8 request,
u16 value, u16 index)
{
int ret;
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
request, USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, NULL, 0, 2000);
return ret;
}
static int m9206_rc_init(struct usb_device *udev)
{
int ret = 0;
/* Remote controller init. */
if ((ret = m9206_write(udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0)
return ret;
if ((ret = m9206_write(udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0)
return ret;
return ret;
}
static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
struct m9206_state *m = d->priv;
int i, ret = 0;
u8 rc_state[2];
if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0)
goto unlock;
if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0)
goto unlock;
for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++)
if (megasky_rc_keys[i].data == rc_state[1]) {
*event = megasky_rc_keys[i].event;
switch(rc_state[0]) {
case 0x80:
*state = REMOTE_NO_KEY_PRESSED;
goto unlock;
case 0x93:
case 0x92:
m->rep_count = 0;
*state = REMOTE_KEY_PRESSED;
goto unlock;
case 0x91:
/* For comfort. */
if (++m->rep_count > 2)
*state = REMOTE_KEY_REPEAT;
goto unlock;
default:
deb_rc("Unexpected rc response %x\n", rc_state[0]);
*state = REMOTE_NO_KEY_PRESSED;
goto unlock;
}
}
if (rc_state[1] != 0)
deb_rc("Unknown rc key %x\n", rc_state[1]);
*state = REMOTE_NO_KEY_PRESSED;
unlock:
return ret;
}
/* I2C */
static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
struct m9206_state *m = d->priv;
int i;
int ret = 0;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
return -EINVAL;
for (i = 0; i < num; i++) {
if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].addr, 0x80)) != 0)
goto unlock;
if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[0], 0x0)) != 0)
goto unlock;
if (i + 1 < num && msg[i + 1].flags & I2C_M_RD) {
int i2c_i;
for (i2c_i = 0; i2c_i < M9206_I2C_MAX; i2c_i++)
if (msg[i].addr == m->i2c_r[i2c_i].addr)
break;
if (i2c_i >= M9206_I2C_MAX) {
deb_rc("No magic for i2c addr!\n");
ret = -EINVAL;
goto unlock;
}
if ((ret = m9206_write(d->udev, M9206_I2C, m->i2c_r[i2c_i].magic, 0x80)) != 0)
goto unlock;
if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x60, msg[i + 1].buf, msg[i + 1].len)) != 0)
goto unlock;
i++;
} else {
if (msg[i].len != 2)
return -EINVAL;
if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[1], 0x40)) != 0)
goto unlock;
}
}
ret = i;
unlock:
mutex_unlock(&d->i2c_mutex);
return ret;
}
static u32 m9206_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm m9206_i2c_algo = {
.master_xfer = m9206_i2c_xfer,
.functionality = m9206_i2c_func,
};
static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx,
int pid)
{
int ret = 0;
if (pid >= 0x8000)
return -EINVAL;
pid |= 0x8000;
if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0)
return ret;
if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0)
return ret;
return ret;
}
static int m9206_update_filters(struct dvb_usb_adapter *adap)
{
struct m9206_state *m = adap->dev->priv;
int enabled = m->filtering_enabled;
int i, ret = 0, filter = 0;
for (i = 0; i < M9206_MAX_FILTERS; i++)
if (m->filters[i] == 8192)
enabled = 0;
/* Disable all filters */
if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0)
return ret;
for (i = 0; i < M9206_MAX_FILTERS; i++)
if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0)
return ret;
if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0)
return ret;
/* Set */
if (enabled) {
for (i = 0; i < M9206_MAX_FILTERS; i++) {
if (m->filters[i] == 0)
continue;
if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0)
return ret;
filter++;
}
}
if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0)
return ret;
return ret;
}
static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
struct m9206_state *m = adap->dev->priv;
m->filtering_enabled = onoff ? 1 : 0;
return m9206_update_filters(adap);
}
static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
int onoff)
{
struct m9206_state *m = adap->dev->priv;
m->filters[index] = onoff ? pid : 0;
return m9206_update_filters(adap);
}
static int m9206_firmware_download(struct usb_device *udev,
const struct firmware *fw)
{
u16 value, index, size;
u8 read[4], *buff;
int i, pass, ret = 0;
buff = kmalloc(65536, GFP_KERNEL);
if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
goto done;
deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]);
if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0)
goto done;
deb_rc("%x\n", read[0]);
for (pass = 0; pass < 2; pass++) {
for (i = 0; i + (sizeof(u16) * 3) < fw->size;) {
value = le16_to_cpu(*(u16 *)(fw->data + i));
i += sizeof(u16);
index = le16_to_cpu(*(u16 *)(fw->data + i));
i += sizeof(u16);
size = le16_to_cpu(*(u16 *)(fw->data + i));
i += sizeof(u16);
if (pass == 1) {
/* Will stall if using fw->data ... */
memcpy(buff, fw->data + i, size);
ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0),
M9206_FW,
USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, buff, size, 20);
if (ret != size) {
deb_rc("error while uploading fw!\n");
ret = -EIO;
goto done;
}
msleep(3);
}
i += size;
}
if (i != fw->size) {
ret = -EINVAL;
goto done;
}
}
msleep(36);
/* m9206 will disconnect itself from the bus after this. */
(void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO);
deb_rc("firmware uploaded!\n");
done:
kfree(buff);
return ret;
}
/* Callbacks for DVB USB */
static int megasky_identify_state(struct usb_device *udev,
struct dvb_usb_device_properties *props,
struct dvb_usb_device_description **desc,
int *cold)
{
struct usb_host_interface *alt;
alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1);
*cold = (alt == NULL) ? 1 : 0;
return 0;
}
static int megasky_mt352_demod_init(struct dvb_frontend *fe)
{
u8 config[] = { CONFIG, 0x3d };
u8 clock[] = { CLOCK_CTL, 0x30 };
u8 reset[] = { RESET, 0x80 };
u8 adc_ctl[] = { ADC_CTL_1, 0x40 };
u8 agc[] = { AGC_TARGET, 0x1c, 0x20 };
u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 };
u8 unk1[] = { 0x93, 0x1a };
u8 unk2[] = { 0xb5, 0x7a };
mt352_write(fe, config, ARRAY_SIZE(config));
mt352_write(fe, clock, ARRAY_SIZE(clock));
mt352_write(fe, reset, ARRAY_SIZE(reset));
mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl));
mt352_write(fe, agc, ARRAY_SIZE(agc));
mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc));
mt352_write(fe, unk1, ARRAY_SIZE(unk1));
mt352_write(fe, unk2, ARRAY_SIZE(unk2));
deb_rc("Demod init!\n");
return 0;
}
static struct mt352_config megasky_mt352_config = {
.demod_address = 0x1e,
.no_tuner = 1,
.demod_init = megasky_mt352_demod_init,
};
static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap)
{
struct m9206_state *m = adap->dev->priv;
deb_rc("megasky_frontend_attach!\n");
m->i2c_r[M9206_I2C_DEMOD].addr = megasky_mt352_config.demod_address;
m->i2c_r[M9206_I2C_DEMOD].magic = 0x1f;
if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL)
return -EIO;
return 0;
}
static struct qt1010_config megasky_qt1010_config = {
.i2c_address = 0xc4
};
static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
{
struct m9206_state *m = adap->dev->priv;
m->i2c_r[M9206_I2C_TUNER].addr = megasky_qt1010_config.i2c_address;
m->i2c_r[M9206_I2C_TUNER].magic = 0xc5;
if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap,
&megasky_qt1010_config) == NULL)
return -ENODEV;
return 0;
}
/* DVB USB Driver stuff */
static struct dvb_usb_device_properties megasky_properties;
static int m920x_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct dvb_usb_device *d;
struct usb_host_interface *alt;
int ret;
if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) {
deb_rc("probed!\n");
alt = usb_altnum_to_altsetting(intf, 1);
if (alt == NULL) {
deb_rc("not alt found!\n");
return -ENODEV;
}
ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
alt->desc.bAlternateSetting);
if (ret < 0)
return ret;
deb_rc("Changed to alternate setting!\n");
if ((ret = m9206_rc_init(d->udev)) != 0)
return ret;
}
return ret;
}
static struct usb_device_id m920x_table [] = {
{ USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, m920x_table);
static struct dvb_usb_device_properties megasky_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = DEVICE_SPECIFIC,
.firmware = "dvb-usb-megasky-02.fw",
.download_firmware = m9206_firmware_download,
.rc_interval = 100,
.rc_key_map = megasky_rc_keys,
.rc_key_map_size = ARRAY_SIZE(megasky_rc_keys),
.rc_query = m9206_rc_query,
.size_of_priv = sizeof(struct m9206_state),
.identify_state = megasky_identify_state,
.num_adapters = 1,
.adapter = {{
.caps = DVB_USB_ADAP_HAS_PID_FILTER |
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
.pid_filter_count = 8,
.pid_filter = m9206_pid_filter,
.pid_filter_ctrl = m9206_pid_filter_ctrl,
.frontend_attach = megasky_mt352_frontend_attach,
.tuner_attach = megasky_qt1010_tuner_attach,
.stream = {
.type = USB_BULK,
.count = 8,
.endpoint = 0x81,
.u = {
.bulk = {
.buffersize = 512,
}
}
},
}},
.i2c_algo = &m9206_i2c_algo,
.num_device_descs = 1,
.devices = {
{ "MSI Mega Sky 580 DVB-T USB2.0",
{ &m920x_table[0], NULL },
{ NULL },
},
}
};
static struct usb_driver m920x_driver = {
.name = "dvb_usb_m920x",
.probe = m920x_probe,
.disconnect = dvb_usb_device_exit,
.id_table = m920x_table,
};
/* module stuff */
static int __init m920x_module_init(void)
{
int ret;
if ((ret = usb_register(&m920x_driver))) {
err("usb_register failed. Error number %d", ret);
return ret;
}
return 0;
}
static void __exit m920x_module_exit(void)
{
/* deregister this driver from the USB subsystem */
usb_deregister(&m920x_driver);
}
module_init (m920x_module_init);
module_exit (m920x_module_exit);
MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x");
MODULE_VERSION("0.1");
MODULE_LICENSE("GPL");
