/* DVB USB framework compliant Linux driver for the Opera1 DVB-S Card
*
* Copyright (C) 2006 Mario Hlawitschka (dh1pa@amsat.org)
* Copyright (C) 2006 Marco Gittler (g.marco@freenet.de)
*
* 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
*/
#define DVB_USB_LOG_PREFIX "opera"
#include "dvb-usb.h"
#include "stv0299.h"
#define OPERA_READ_MSG 0
#define OPERA_WRITE_MSG 1
#define OPERA_I2C_TUNER 0xd1
#define READ_FX2_REG_REQ 0xba
#define READ_MAC_ADDR 0x08
#define OPERA_WRITE_FX2 0xbb
#define OPERA_TUNER_REQ 0xb1
#define REG_1F_SYMBOLRATE_BYTE0 0x1f
#define REG_20_SYMBOLRATE_BYTE1 0x20
#define REG_21_SYMBOLRATE_BYTE2 0x21
#define ADDR_B600_VOLTAGE_13V (0x02)
#define ADDR_B601_VOLTAGE_18V (0x03)
#define ADDR_B1A6_STREAM_CTRL (0x04)
#define ADDR_B880_READ_REMOTE (0x05)
struct opera1_state {
u32 last_key_pressed;
};
struct opera_rc_keys {
u32 keycode;
u32 event;
};
static int dvb_usb_opera1_debug;
module_param_named(debug, dvb_usb_opera1_debug, int, 0644);
MODULE_PARM_DESC(debug,
"set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))."
DVB_USB_DEBUG_STATUS);
static int opera1_xilinx_rw(struct usb_device *dev, u8 request, u16 value,
u8 * data, u16 len, int flags)
{
int ret;
u8 r;
u8 u8buf[len];
unsigned int pipe = (flags == OPERA_READ_MSG) ?
usb_rcvctrlpipe(dev,0) : usb_sndctrlpipe(dev, 0);
u8 request_type = (flags == OPERA_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
if (flags == OPERA_WRITE_MSG)
memcpy(u8buf, data, len);
ret =
usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
value, 0x0, u8buf, len, 2000);
if (request == OPERA_TUNER_REQ) {
if (usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
OPERA_TUNER_REQ, USB_DIR_IN | USB_TYPE_VENDOR,
0x01, 0x0, &r, 1, 2000)<1 || r!=0x08)
return 0;
}
if (flags == OPERA_READ_MSG)
memcpy(data, u8buf, len);
return ret;
}
/* I2C */
static int opera1_usb_i2c_msgxfer(struct dvb_usb_device *dev, u16 addr,
u8 * buf, u16 len)
{
int ret = 0;
u8 request;
u16 value;
if (!dev) {
info("no usb_device");
return -EINVAL;
}
if (mutex_lock_interruptible(&dev->usb_mutex) < 0)
return -EAGAIN;
switch (addr>>1){
case ADDR_B600_VOLTAGE_13V:
request=0xb6;
value=0x00;
break;
case ADDR_B601_VOLTAGE_18V:
request=0xb6;
value=0x01;
break;
case ADDR_B1A6_STREAM_CTRL:
request=0xb1;
value=0xa6;
break;
case ADDR_B880_READ_REMOTE:
request=0xb8;
value=0x80;
break;
default:
request=0xb1;
value=addr;
}
ret = opera1_xilinx_rw(dev->udev, request,
value, buf, len,
addr&0x01?OPERA_READ_MSG:OPERA_WRITE_MSG);
mutex_unlock(&dev->usb_mutex);
return ret;
}
static int opera1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i = 0, tmp = 0;
if (!d)
return -ENODEV;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
for (i = 0; i < num; i++) {
if ((tmp = opera1_usb_i2c_msgxfer(d,
(msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0),
msg[i].buf,
msg[i].len
)!= msg[i].len)) {
break;
}
if (dvb_usb_opera1_debug & 0x10)
info("sending i2c mesage %d %d", tmp, msg[i].len);
}
mutex_unlock(&d->i2c_mutex);
return num;
}
static u32 opera1_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm opera1_i2c_algo = {
.master_xfer = opera1_i2c_xfer,
.functionality = opera1_i2c_func,
};
static int opera1_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
{
static u8 command_13v[1]={0x00};
static u8 command_18v[1]={0x01};
struct i2c_msg msg[] = {
{.addr = ADDR_B600_VOLTAGE_13V,.flags = 0,.buf = command_13v,.len = 1},
};
struct dvb_usb_adapter *udev_adap =
(struct dvb_usb_adapter *)(fe->dvb->priv);
if (voltage == SEC_VOLTAGE_18) {
msg[0].addr = ADDR_B601_VOLTAGE_18V;
msg[0].buf = command_18v;
}
i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
return 0;
}
static int opera1_stv0299_set_symbol_rate(struct dvb_frontend *fe, u32 srate,
u32 ratio)
{
stv0299_writereg(fe, 0x13, 0x98);
stv0299_writereg(fe, 0x14, 0x95);
stv0299_writereg(fe, REG_1F_SYMBOLRATE_BYTE0, (ratio >> 16) & 0xff);
stv0299_writereg(fe, REG_20_SYMBOLRATE_BYTE1, (ratio >> 8) & 0xff);
stv0299_writereg(fe, REG_21_SYMBOLRATE_BYTE2, (ratio) & 0xf0);
return 0;
}
static u8 opera1_inittab[] = {
0x00, 0xa1,
0x01, 0x15,
0x02, 0x00,
0x03, 0x00,
0x04, 0x7d,
0x05, 0x05,
0x06, 0x02,
0x07, 0x00,
0x0b, 0x00,
0x0c, 0x01,
0x0d, 0x81,
0x0e, 0x44,
0x0f, 0x19,
0x10, 0x3f,
0x11, 0x84,
0x12, 0xda,
0x13, 0x98,
0x14, 0x95,
0x15, 0xc9,
0x16, 0xeb,
0x17, 0x00,
0x18, 0x19,
0x19, 0x8b,
0x1a, 0x00,
0x1b, 0x82,
0x1c, 0x7f,
0x1d, 0x00,
0x1e, 0x00,
REG_1F_SYMBOLRATE_BYTE0, 0x06,
REG_20_SYMBOLRATE_BYTE1, 0x50,
REG_21_SYMBOLRATE_BYTE2, 0x10,
0x22, 0x00,
0x23, 0x00,
0x24, 0x37,
0x25, 0xbc,
0x26, 0x00,
0x27, 0x00,
0x28, 0x00,
0x29, 0x1e,
0x2a, 0x14,
0x2b, 0x1f,
0x2c, 0x09,
0x2d, 0x0a,
0x2e, 0x00,
0x2f, 0x00,
0x30, 0x00,
0x31, 0x1f,
0x32, 0x19,
0x33, 0xfc,
0x34, 0x13,
0xff, 0xff,
};
static struct stv0299_config opera1_stv0299_config = {
.demod_address = 0xd0>>1,
.min_delay_ms = 100,
.mclk = 88000000UL,
.invert = 1,
.skip_reinit = 0,
.lock_output = STV0229_LOCKOUTPUT_0,
.volt13_op0_op1 = STV0299_VOLT13_OP0,
.inittab = opera1_inittab,
.set_symbol_rate = opera1_stv0299_set_symbol_rate,
};
static int opera1_frontend_attach(struct dvb_usb_adapter *d)
{
if ((d->fe =
dvb_attach(stv0299_attach, &opera1_stv0299_config,
&d->dev->i2c_adap)) != NULL) {
d->fe->ops.set_voltage = opera1_set_voltage;
return 0;
}
info("not attached stv0299");
return -EIO;
}
static int opera1_tuner_attach(struct dvb_usb_adapter *adap)
{
dvb_attach(
dvb_pll_attach, adap->fe, 0xc0>>1,
&adap->dev->i2c_adap, DVB_PLL_OPERA1
);
return 0;
}
static int opera1_power_ctrl(struct dvb_usb_device *d, int onoff)
{
u8 val = onoff ? 0x01 : 0x00;
if (dvb_usb_opera1_debug)
info("power %s", onoff ? "on" : "off");
return opera1_xilinx_rw(d->udev, 0xb7, val,
&val, 1, OPERA_WRITE_MSG);
}
static int opera1_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
static u8 buf_start[2] = { 0xff, 0x03 };
static u8 buf_stop[2] = { 0xff, 0x00 };
struct i2c_msg start_tuner[] = {
{.addr = ADDR_B1A6_STREAM_CTRL,.buf = onoff ? buf_start : buf_stop,.len = 2},
};
if (dvb_usb_opera1_debug)
info("streaming %s", onoff ? "on" : "off");
i2c_transfer(&adap->dev->i2c_adap, start_tuner, 1);
return 0;
}
static int opera1_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
int onoff)
{
u8 b_pid[3];
struct i2c_msg msg[] = {
{.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},
};
if (dvb_usb_opera1_debug)
info("pidfilter index: %d pid: %d %s", index, pid,
onoff ? "on" : "off");
b_pid[0] = (2 * index) + 4;
b_pid[1] = onoff ? (pid & 0xff) : (0x00);
b_pid[2] = onoff ? ((pid >> 8) & 0xff) : (0x00);
i2c_transfer(&adap->dev->i2c_adap, msg, 1);
return 0;
}
static int opera1_pid_filter_control(struct dvb_usb_adapter *adap, int onoff)
{
int u = 0x04;
u8 b_pid[3];
struct i2c_msg msg[] = {
{.addr = ADDR_B1A6_STREAM_CTRL,.buf = b_pid,.len = 3},
};
if (dvb_usb_opera1_debug)
info("%s hw-pidfilter", onoff ? "enable" : "disable");
for (; u < 0x7e; u += 2) {
b_pid[0] = u;
b_pid[1] = 0;
b_pid[2] = 0x80;
i2c_transfer(&adap->dev->i2c_adap, msg, 1);
}
return 0;
}
static struct dvb_usb_rc_key opera1_rc_keys[] = {
{0x5f, 0xa0, KEY_1},
{0x51, 0xaf, KEY_2},
{0x5d, 0xa2, KEY_3},
{0x41, 0xbe, KEY_4},
{0x0b, 0xf5, KEY_5},
{0x43, 0xbd, KEY_6},
{0x47, 0xb8, KEY_7},
{0x49, 0xb6, KEY_8},
{0x05, 0xfa, KEY_9},
{0x45, 0xba, KEY_0},
{0x09, 0xf6, KEY_UP}, /*chanup */
{0x1b, 0xe5, KEY_DOWN}, /*chandown */
{0x5d, 0xa3, KEY_LEFT}, /*voldown */
{0x5f, 0xa1, KEY_RIGHT}, /*volup */
{0x07, 0xf8, KEY_SPACE}, /*tab */
{0x1f, 0xe1, KEY_ENTER}, /*play ok */
{0x1b, 0xe4, KEY_Z}, /*zoom */
{0x59, 0xa6, KEY_M}, /*mute */
{0x5b, 0xa5, KEY_F}, /*tv/f */
{0x19, 0xe7, KEY_R}, /*rec */
{0x01, 0xfe, KEY_S}, /*Stop */
{0x03, 0xfd, KEY_P}, /*pause */
{0x03, 0xfc, KEY_W}, /*<- -> */
{0x07, 0xf9, KEY_C}, /*capture */
{0x47, 0xb9, KEY_Q}, /*exit */
{0x43, 0xbc, KEY_O}, /*power */
};
static int opera1_rc_query(struct dvb_usb_device *dev, u32 * event, int *state)
{
struct opera1_state *opst = dev->priv;
u8 rcbuffer[32];
const u16 startmarker1 = 0x10ed;
const u16 startmarker2 = 0x11ec;
struct i2c_msg read_remote[] = {
{.addr = ADDR_B880_READ_REMOTE,.buf = rcbuffer,.flags = I2C_M_RD,.len = 32},
};
int i = 0;
u32 send_key = 0;
if (i2c_transfer(&dev->i2c_adap, read_remote, 1) == 1) {
for (i = 0; i < 32; i++) {
if (rcbuffer[i])
send_key |= 1;
if (i < 31)
send_key = send_key << 1;
}
if (send_key & 0x8000)
send_key = (send_key << 1) | (send_key >> 15 & 0x01);
if (send_key == 0xffff && opst->last_key_pressed != 0) {
*state = REMOTE_KEY_REPEAT;
*event = opst->last_key_pressed;
return 0;
}
for (; send_key != 0;) {
if (send_key >> 16 == startmarker2) {
break;
} else if (send_key >> 16 == startmarker1) {
send_key =
(send_key & 0xfffeffff) | (startmarker1 << 16);
break;
} else
send_key >>= 1;
}
if (send_key == 0)
return 0;
send_key = (send_key & 0xffff) | 0x0100;
for (i = 0; i < ARRAY_SIZE(opera1_rc_keys); i++) {
if ((opera1_rc_keys[i].custom * 256 +
opera1_rc_keys[i].data) == (send_key & 0xffff)) {
*state = REMOTE_KEY_PRESSED;
*event = opera1_rc_keys[i].event;
opst->last_key_pressed =
opera1_rc_keys[i].event;
break;
}
opst->last_key_pressed = 0;
}
} else
*state = REMOTE_NO_KEY_PRESSED;
return 0;
}
static struct usb_device_id opera1_table[] = {
{USB_DEVICE(USB_VID_CYPRESS, USB_PID_OPERA1_COLD)},
{USB_DEVICE(USB_VID_OPERA1, USB_PID_OPERA1_WARM)},
{}
};
MODULE_DEVICE_TABLE(usb, opera1_table);
static int opera1_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
{
u8 command[] = { READ_MAC_ADDR };
opera1_xilinx_rw(d->udev, 0xb1, 0xa0, command, 1, OPERA_WRITE_MSG);
opera1_xilinx_rw(d->udev, 0xb1, 0xa1, mac, 6, OPERA_READ_MSG);
return 0;
}
static int opera1_xilinx_load_firmware(struct usb_device *dev,
const char *filename)
{
const struct firmware *fw = NULL;
u8 *b, *p;
int ret = 0, i,fpgasize=40;
u8 testval;
info("start downloading fpga firmware %s",filename);
if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) {
err("did not find the firmware file. (%s) "
"Please see linux/Documentation/dvb/ for more details on firmware-problems.",
filename);
return ret;
} else {
p = kmalloc(fw->size, GFP_KERNEL);
opera1_xilinx_rw(dev, 0xbc, 0x00, &testval, 1, OPERA_READ_MSG);
if (p != NULL && testval != 0x67) {
u8 reset = 0, fpga_command = 0;
memcpy(p, fw->data, fw->size);
/* clear fpga ? */
opera1_xilinx_rw(dev, 0xbc, 0xaa, &fpga_command, 1,
OPERA_WRITE_MSG);
for (i = 0; i < fw->size;) {
if ( (fw->size - i) <fpgasize){
fpgasize=fw->size-i;
}
b = (u8 *) p + i;
if (opera1_xilinx_rw
(dev, OPERA_WRITE_FX2, 0x0, b , fpgasize,
OPERA_WRITE_MSG) != fpgasize
) {
err("error while transferring firmware");
ret = -EINVAL;
break;
}
i = i + fpgasize;
}
/* restart the CPU */
if (ret || opera1_xilinx_rw
(dev, 0xa0, 0xe600, &reset, 1,
OPERA_WRITE_MSG) != 1) {
err("could not restart the USB controller CPU.");
ret = -EINVAL;
}
kfree(p);
}
}
if (fw) {
release_firmware(fw);
}
return ret;
}
static struct dvb_usb_device_properties opera1_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-opera-01.fw",
.size_of_priv = sizeof(struct opera1_state),
.power_ctrl = opera1_power_ctrl,
.i2c_algo = &opera1_i2c_algo,
.rc_key_map = opera1_rc_keys,
.rc_key_map_size = ARRAY_SIZE(opera1_rc_keys),
.rc_interval = 200,
.rc_query = opera1_rc_query,
.read_mac_address = opera1_read_mac_address,
.generic_bulk_ctrl_endpoint = 0x00,
/* parameter for the MPEG2-data transfer */
.num_adapters = 1,
.adapter = {
{
.frontend_attach = opera1_frontend_attach,
.streaming_ctrl = opera1_streaming_ctrl,
.tuner_attach = opera1_tuner_attach,
.caps =
DVB_USB_ADAP_HAS_PID_FILTER |
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
.pid_filter = opera1_pid_filter,
.pid_filter_ctrl = opera1_pid_filter_control,
.pid_filter_count = 252,
.stream = {
.type = USB_BULK,
.count = 10,
.endpoint = 0x82,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
}
},
.num_device_descs = 1,
.devices = {
{"Opera1 DVB-S USB2.0",
{&opera1_table[0], NULL},
{&opera1_table[1], NULL},
},
}
};
static int opera1_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
if (udev->descriptor.idProduct == USB_PID_OPERA1_WARM &&
udev->descriptor.idVendor == USB_VID_OPERA1 &&
opera1_xilinx_load_firmware(udev, "dvb-usb-opera1-fpga-01.fw") != 0
) {
return -EINVAL;
}
if (dvb_usb_device_init(intf, &opera1_properties, THIS_MODULE, NULL) != 0)
return -EINVAL;
return 0;
}
static struct usb_driver opera1_driver = {
.name = "opera1",
.probe = opera1_probe,
.disconnect = dvb_usb_device_exit,
.id_table = opera1_table,
};
static int __init opera1_module_init(void)
{
int result = 0;
if ((result = usb_register(&opera1_driver))) {
err("usb_register failed. Error number %d", result);
}
return result;
}
static void __exit opera1_module_exit(void)
{
usb_deregister(&opera1_driver);
}
module_init(opera1_module_init);
module_exit(opera1_module_exit);
MODULE_AUTHOR("Mario Hlawitschka (c) dh1pa@amsat.org");
MODULE_AUTHOR("Marco Gittler (c) g.marco@freenet.de");
MODULE_DESCRIPTION("Driver for Opera1 DVB-S device");
MODULE_VERSION("0.1");
MODULE_LICENSE("GPL");
