// SPDX-License-Identifier: GPL-2.0-or-later
|
/* DVB USB compliant Linux driver for the Afatech 9005
|
* USB1.1 DVB-T receiver.
|
*
|
* Copyright (C) 2007 Luca Olivetti (luca@ventoso.org)
|
*
|
* Thanks to Afatech who kindly provided information.
|
*
|
* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
|
*/
|
#include "af9005.h"
|
|
/* debug */
|
int dvb_usb_af9005_debug;
|
module_param_named(debug, dvb_usb_af9005_debug, int, 0644);
|
MODULE_PARM_DESC(debug,
|
"set debugging level (1=info,xfer=2,rc=4,reg=8,i2c=16,fw=32 (or-able))."
|
DVB_USB_DEBUG_STATUS);
|
/* enable obnoxious led */
|
bool dvb_usb_af9005_led = true;
|
module_param_named(led, dvb_usb_af9005_led, bool, 0644);
|
MODULE_PARM_DESC(led, "enable led (default: 1).");
|
|
/* eeprom dump */
|
static int dvb_usb_af9005_dump_eeprom;
|
module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0);
|
MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom.");
|
|
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
|
/* remote control decoder */
|
static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len,
|
u32 *event, int *state);
|
static void *rc_keys;
|
static int *rc_keys_size;
|
|
u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff };
|
|
struct af9005_device_state {
|
u8 sequence;
|
int led_state;
|
unsigned char data[256];
|
};
|
|
static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg,
|
int readwrite, int type, u8 * values, int len)
|
{
|
struct af9005_device_state *st = d->priv;
|
u8 command, seq;
|
int i, ret;
|
|
if (len < 1) {
|
err("generic read/write, less than 1 byte. Makes no sense.");
|
return -EINVAL;
|
}
|
if (len > 8) {
|
err("generic read/write, more than 8 bytes. Not supported.");
|
return -EINVAL;
|
}
|
|
mutex_lock(&d->data_mutex);
|
st->data[0] = 14; /* rest of buffer length low */
|
st->data[1] = 0; /* rest of buffer length high */
|
|
st->data[2] = AF9005_REGISTER_RW; /* register operation */
|
st->data[3] = 12; /* rest of buffer length */
|
|
st->data[4] = seq = st->sequence++; /* sequence number */
|
|
st->data[5] = (u8) (reg >> 8); /* register address */
|
st->data[6] = (u8) (reg & 0xff);
|
|
if (type == AF9005_OFDM_REG) {
|
command = AF9005_CMD_OFDM_REG;
|
} else {
|
command = AF9005_CMD_TUNER;
|
}
|
|
if (len > 1)
|
command |=
|
AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3;
|
command |= readwrite;
|
if (readwrite == AF9005_CMD_WRITE)
|
for (i = 0; i < len; i++)
|
st->data[8 + i] = values[i];
|
else if (type == AF9005_TUNER_REG)
|
/* read command for tuner, the first byte contains the i2c address */
|
st->data[8] = values[0];
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st->data[7] = command;
|
|
ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 17, 0);
|
if (ret)
|
goto ret;
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|
/* sanity check */
|
if (st->data[2] != AF9005_REGISTER_RW_ACK) {
|
err("generic read/write, wrong reply code.");
|
ret = -EIO;
|
goto ret;
|
}
|
if (st->data[3] != 0x0d) {
|
err("generic read/write, wrong length in reply.");
|
ret = -EIO;
|
goto ret;
|
}
|
if (st->data[4] != seq) {
|
err("generic read/write, wrong sequence in reply.");
|
ret = -EIO;
|
goto ret;
|
}
|
/*
|
* In thesis, both input and output buffers should have
|
* identical values for st->data[5] to st->data[8].
|
* However, windows driver doesn't check these fields, in fact
|
* sometimes the register in the reply is different that what
|
* has been sent
|
*/
|
if (st->data[16] != 0x01) {
|
err("generic read/write wrong status code in reply.");
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ret = -EIO;
|
goto ret;
|
}
|
|
if (readwrite == AF9005_CMD_READ)
|
for (i = 0; i < len; i++)
|
values[i] = st->data[8 + i];
|
|
ret:
|
mutex_unlock(&d->data_mutex);
|
return ret;
|
|
}
|
|
int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value)
|
{
|
int ret;
|
deb_reg("read register %x ", reg);
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ret = af9005_generic_read_write(d, reg,
|
AF9005_CMD_READ, AF9005_OFDM_REG,
|
value, 1);
|
if (ret)
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deb_reg("failed\n");
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else
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deb_reg("value %x\n", *value);
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return ret;
|
}
|
|
int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg,
|
u8 * values, int len)
|
{
|
int ret;
|
deb_reg("read %d registers %x ", len, reg);
|
ret = af9005_generic_read_write(d, reg,
|
AF9005_CMD_READ, AF9005_OFDM_REG,
|
values, len);
|
if (ret)
|
deb_reg("failed\n");
|
else
|
debug_dump(values, len, deb_reg);
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return ret;
|
}
|
|
int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value)
|
{
|
int ret;
|
u8 temp = value;
|
deb_reg("write register %x value %x ", reg, value);
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ret = af9005_generic_read_write(d, reg,
|
AF9005_CMD_WRITE, AF9005_OFDM_REG,
|
&temp, 1);
|
if (ret)
|
deb_reg("failed\n");
|
else
|
deb_reg("ok\n");
|
return ret;
|
}
|
|
int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg,
|
u8 * values, int len)
|
{
|
int ret;
|
deb_reg("write %d registers %x values ", len, reg);
|
debug_dump(values, len, deb_reg);
|
|
ret = af9005_generic_read_write(d, reg,
|
AF9005_CMD_WRITE, AF9005_OFDM_REG,
|
values, len);
|
if (ret)
|
deb_reg("failed\n");
|
else
|
deb_reg("ok\n");
|
return ret;
|
}
|
|
int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos,
|
u8 len, u8 * value)
|
{
|
u8 temp;
|
int ret;
|
deb_reg("read bits %x %x %x", reg, pos, len);
|
ret = af9005_read_ofdm_register(d, reg, &temp);
|
if (ret) {
|
deb_reg(" failed\n");
|
return ret;
|
}
|
*value = (temp >> pos) & regmask[len - 1];
|
deb_reg(" value %x\n", *value);
|
return 0;
|
|
}
|
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int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos,
|
u8 len, u8 value)
|
{
|
u8 temp, mask;
|
int ret;
|
deb_reg("write bits %x %x %x value %x\n", reg, pos, len, value);
|
if (pos == 0 && len == 8)
|
return af9005_write_ofdm_register(d, reg, value);
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ret = af9005_read_ofdm_register(d, reg, &temp);
|
if (ret)
|
return ret;
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mask = regmask[len - 1] << pos;
|
temp = (temp & ~mask) | ((value << pos) & mask);
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return af9005_write_ofdm_register(d, reg, temp);
|
|
}
|
|
static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d,
|
u16 reg, u8 * values, int len)
|
{
|
return af9005_generic_read_write(d, reg,
|
AF9005_CMD_READ, AF9005_TUNER_REG,
|
values, len);
|
}
|
|
static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d,
|
u16 reg, u8 * values, int len)
|
{
|
return af9005_generic_read_write(d, reg,
|
AF9005_CMD_WRITE,
|
AF9005_TUNER_REG, values, len);
|
}
|
|
int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg,
|
u8 * values, int len)
|
{
|
/* don't let the name of this function mislead you: it's just used
|
as an interface from the firmware to the i2c bus. The actual
|
i2c addresses are contained in the data */
|
int ret, i, done = 0, fail = 0;
|
u8 temp;
|
ret = af9005_usb_write_tuner_registers(d, reg, values, len);
|
if (ret)
|
return ret;
|
if (reg != 0xffff) {
|
/* check if write done (0xa40d bit 1) or fail (0xa40d bit 2) */
|
for (i = 0; i < 200; i++) {
|
ret =
|
af9005_read_ofdm_register(d,
|
xd_I2C_i2c_m_status_wdat_done,
|
&temp);
|
if (ret)
|
return ret;
|
done = temp & (regmask[i2c_m_status_wdat_done_len - 1]
|
<< i2c_m_status_wdat_done_pos);
|
if (done)
|
break;
|
fail = temp & (regmask[i2c_m_status_wdat_fail_len - 1]
|
<< i2c_m_status_wdat_fail_pos);
|
if (fail)
|
break;
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msleep(50);
|
}
|
if (i == 200)
|
return -ETIMEDOUT;
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if (fail) {
|
/* clear write fail bit */
|
af9005_write_register_bits(d,
|
xd_I2C_i2c_m_status_wdat_fail,
|
i2c_m_status_wdat_fail_pos,
|
i2c_m_status_wdat_fail_len,
|
1);
|
return -EIO;
|
}
|
/* clear write done bit */
|
ret =
|
af9005_write_register_bits(d,
|
xd_I2C_i2c_m_status_wdat_fail,
|
i2c_m_status_wdat_done_pos,
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i2c_m_status_wdat_done_len, 1);
|
if (ret)
|
return ret;
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}
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return 0;
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}
|
|
int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr,
|
u8 * values, int len)
|
{
|
/* don't let the name of this function mislead you: it's just used
|
as an interface from the firmware to the i2c bus. The actual
|
i2c addresses are contained in the data */
|
int ret, i;
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u8 temp, buf[2];
|
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buf[0] = addr; /* tuner i2c address */
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buf[1] = values[0]; /* tuner register */
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values[0] = addr + 0x01; /* i2c read address */
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if (reg == APO_REG_I2C_RW_SILICON_TUNER) {
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/* write tuner i2c address to tuner, 0c00c0 undocumented, found by sniffing */
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ret = af9005_write_tuner_registers(d, 0x00c0, buf, 2);
|
if (ret)
|
return ret;
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}
|
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/* send read command to ofsm */
|
ret = af9005_usb_read_tuner_registers(d, reg, values, 1);
|
if (ret)
|
return ret;
|
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/* check if read done */
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for (i = 0; i < 200; i++) {
|
ret = af9005_read_ofdm_register(d, 0xa408, &temp);
|
if (ret)
|
return ret;
|
if (temp & 0x01)
|
break;
|
msleep(50);
|
}
|
if (i == 200)
|
return -ETIMEDOUT;
|
|
/* clear read done bit (by writing 1) */
|
ret = af9005_write_ofdm_register(d, xd_I2C_i2c_m_data8, 1);
|
if (ret)
|
return ret;
|
|
/* get read data (available from 0xa400) */
|
for (i = 0; i < len; i++) {
|
ret = af9005_read_ofdm_register(d, 0xa400 + i, &temp);
|
if (ret)
|
return ret;
|
values[i] = temp;
|
}
|
return 0;
|
}
|
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static int af9005_i2c_write(struct dvb_usb_device *d, u8 i2caddr, u8 reg,
|
u8 * data, int len)
|
{
|
int ret, i;
|
u8 buf[3];
|
deb_i2c("i2c_write i2caddr %x, reg %x, len %d data ", i2caddr,
|
reg, len);
|
debug_dump(data, len, deb_i2c);
|
|
for (i = 0; i < len; i++) {
|
buf[0] = i2caddr;
|
buf[1] = reg + (u8) i;
|
buf[2] = data[i];
|
ret =
|
af9005_write_tuner_registers(d,
|
APO_REG_I2C_RW_SILICON_TUNER,
|
buf, 3);
|
if (ret) {
|
deb_i2c("i2c_write failed\n");
|
return ret;
|
}
|
}
|
deb_i2c("i2c_write ok\n");
|
return 0;
|
}
|
|
static int af9005_i2c_read(struct dvb_usb_device *d, u8 i2caddr, u8 reg,
|
u8 * data, int len)
|
{
|
int ret, i;
|
u8 temp;
|
deb_i2c("i2c_read i2caddr %x, reg %x, len %d\n ", i2caddr, reg, len);
|
for (i = 0; i < len; i++) {
|
temp = reg + i;
|
ret =
|
af9005_read_tuner_registers(d,
|
APO_REG_I2C_RW_SILICON_TUNER,
|
i2caddr, &temp, 1);
|
if (ret) {
|
deb_i2c("i2c_read failed\n");
|
return ret;
|
}
|
data[i] = temp;
|
}
|
deb_i2c("i2c data read: ");
|
debug_dump(data, len, deb_i2c);
|
return 0;
|
}
|
|
static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
|
int num)
|
{
|
/* only implements what the mt2060 module does, don't know how
|
to make it really generic */
|
struct dvb_usb_device *d = i2c_get_adapdata(adap);
|
int ret;
|
u8 reg, addr;
|
u8 *value;
|
|
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
|
return -EAGAIN;
|
|
if (num > 2)
|
warn("more than 2 i2c messages at a time is not handled yet. TODO.");
|
|
if (num == 2) {
|
/* reads a single register */
|
reg = *msg[0].buf;
|
addr = msg[0].addr;
|
value = msg[1].buf;
|
ret = af9005_i2c_read(d, addr, reg, value, 1);
|
if (ret == 0)
|
ret = 2;
|
} else {
|
/* write one or more registers */
|
reg = msg[0].buf[0];
|
addr = msg[0].addr;
|
value = &msg[0].buf[1];
|
ret = af9005_i2c_write(d, addr, reg, value, msg[0].len - 1);
|
if (ret == 0)
|
ret = 1;
|
}
|
|
mutex_unlock(&d->i2c_mutex);
|
return ret;
|
}
|
|
static u32 af9005_i2c_func(struct i2c_adapter *adapter)
|
{
|
return I2C_FUNC_I2C;
|
}
|
|
static struct i2c_algorithm af9005_i2c_algo = {
|
.master_xfer = af9005_i2c_xfer,
|
.functionality = af9005_i2c_func,
|
};
|
|
int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf,
|
int wlen, u8 * rbuf, int rlen)
|
{
|
struct af9005_device_state *st = d->priv;
|
|
int ret, i, packet_len;
|
u8 seq;
|
|
if (wlen < 0) {
|
err("send command, wlen less than 0 bytes. Makes no sense.");
|
return -EINVAL;
|
}
|
if (wlen > 54) {
|
err("send command, wlen more than 54 bytes. Not supported.");
|
return -EINVAL;
|
}
|
if (rlen > 54) {
|
err("send command, rlen more than 54 bytes. Not supported.");
|
return -EINVAL;
|
}
|
packet_len = wlen + 5;
|
|
mutex_lock(&d->data_mutex);
|
|
st->data[0] = (u8) (packet_len & 0xff);
|
st->data[1] = (u8) ((packet_len & 0xff00) >> 8);
|
|
st->data[2] = 0x26; /* packet type */
|
st->data[3] = wlen + 3;
|
st->data[4] = seq = st->sequence++;
|
st->data[5] = command;
|
st->data[6] = wlen;
|
for (i = 0; i < wlen; i++)
|
st->data[7 + i] = wbuf[i];
|
ret = dvb_usb_generic_rw(d, st->data, wlen + 7, st->data, rlen + 7, 0);
|
if (st->data[2] != 0x27) {
|
err("send command, wrong reply code.");
|
ret = -EIO;
|
} else if (st->data[4] != seq) {
|
err("send command, wrong sequence in reply.");
|
ret = -EIO;
|
} else if (st->data[5] != 0x01) {
|
err("send command, wrong status code in reply.");
|
ret = -EIO;
|
} else if (st->data[6] != rlen) {
|
err("send command, invalid data length in reply.");
|
ret = -EIO;
|
}
|
if (!ret) {
|
for (i = 0; i < rlen; i++)
|
rbuf[i] = st->data[i + 7];
|
}
|
|
mutex_unlock(&d->data_mutex);
|
return ret;
|
}
|
|
int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values,
|
int len)
|
{
|
struct af9005_device_state *st = d->priv;
|
u8 seq;
|
int ret, i;
|
|
mutex_lock(&d->data_mutex);
|
|
memset(st->data, 0, sizeof(st->data));
|
|
st->data[0] = 14; /* length of rest of packet low */
|
st->data[1] = 0; /* length of rest of packer high */
|
|
st->data[2] = 0x2a; /* read/write eeprom */
|
|
st->data[3] = 12; /* size */
|
|
st->data[4] = seq = st->sequence++;
|
|
st->data[5] = 0; /* read */
|
|
st->data[6] = len;
|
st->data[7] = address;
|
ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 14, 0);
|
if (st->data[2] != 0x2b) {
|
err("Read eeprom, invalid reply code");
|
ret = -EIO;
|
} else if (st->data[3] != 10) {
|
err("Read eeprom, invalid reply length");
|
ret = -EIO;
|
} else if (st->data[4] != seq) {
|
err("Read eeprom, wrong sequence in reply ");
|
ret = -EIO;
|
} else if (st->data[5] != 1) {
|
err("Read eeprom, wrong status in reply ");
|
ret = -EIO;
|
}
|
|
if (!ret) {
|
for (i = 0; i < len; i++)
|
values[i] = st->data[6 + i];
|
}
|
mutex_unlock(&d->data_mutex);
|
|
return ret;
|
}
|
|
static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply,
|
u8 *buf, int size)
|
{
|
u16 checksum;
|
int act_len = 0, i, ret;
|
|
memset(buf, 0, size);
|
buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);
|
buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff);
|
switch (type) {
|
case FW_CONFIG:
|
buf[2] = 0x11;
|
buf[3] = 0x04;
|
buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */
|
buf[5] = 0x03;
|
checksum = buf[4] + buf[5];
|
buf[6] = (u8) ((checksum >> 8) & 0xff);
|
buf[7] = (u8) (checksum & 0xff);
|
break;
|
case FW_CONFIRM:
|
buf[2] = 0x11;
|
buf[3] = 0x04;
|
buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */
|
buf[5] = 0x01;
|
checksum = buf[4] + buf[5];
|
buf[6] = (u8) ((checksum >> 8) & 0xff);
|
buf[7] = (u8) (checksum & 0xff);
|
break;
|
case FW_BOOT:
|
buf[2] = 0x10;
|
buf[3] = 0x08;
|
buf[4] = 0x00; /* sequence number, original driver doesn't increment it here */
|
buf[5] = 0x97;
|
buf[6] = 0xaa;
|
buf[7] = 0x55;
|
buf[8] = 0xa5;
|
buf[9] = 0x5a;
|
checksum = 0;
|
for (i = 4; i <= 9; i++)
|
checksum += buf[i];
|
buf[10] = (u8) ((checksum >> 8) & 0xff);
|
buf[11] = (u8) (checksum & 0xff);
|
break;
|
default:
|
err("boot packet invalid boot packet type");
|
return -EINVAL;
|
}
|
deb_fw(">>> ");
|
debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw);
|
|
ret = usb_bulk_msg(udev,
|
usb_sndbulkpipe(udev, 0x02),
|
buf, FW_BULKOUT_SIZE + 2, &act_len, 2000);
|
if (ret)
|
err("boot packet bulk message failed: %d (%d/%d)", ret,
|
FW_BULKOUT_SIZE + 2, act_len);
|
else
|
ret = act_len != FW_BULKOUT_SIZE + 2 ? -1 : 0;
|
if (ret)
|
return ret;
|
memset(buf, 0, 9);
|
ret = usb_bulk_msg(udev,
|
usb_rcvbulkpipe(udev, 0x01), buf, 9, &act_len, 2000);
|
if (ret) {
|
err("boot packet recv bulk message failed: %d", ret);
|
return ret;
|
}
|
deb_fw("<<< ");
|
debug_dump(buf, act_len, deb_fw);
|
checksum = 0;
|
switch (type) {
|
case FW_CONFIG:
|
if (buf[2] != 0x11) {
|
err("boot bad config header.");
|
return -EIO;
|
}
|
if (buf[3] != 0x05) {
|
err("boot bad config size.");
|
return -EIO;
|
}
|
if (buf[4] != 0x00) {
|
err("boot bad config sequence.");
|
return -EIO;
|
}
|
if (buf[5] != 0x04) {
|
err("boot bad config subtype.");
|
return -EIO;
|
}
|
for (i = 4; i <= 6; i++)
|
checksum += buf[i];
|
if (buf[7] * 256 + buf[8] != checksum) {
|
err("boot bad config checksum.");
|
return -EIO;
|
}
|
*reply = buf[6];
|
break;
|
case FW_CONFIRM:
|
if (buf[2] != 0x11) {
|
err("boot bad confirm header.");
|
return -EIO;
|
}
|
if (buf[3] != 0x05) {
|
err("boot bad confirm size.");
|
return -EIO;
|
}
|
if (buf[4] != 0x00) {
|
err("boot bad confirm sequence.");
|
return -EIO;
|
}
|
if (buf[5] != 0x02) {
|
err("boot bad confirm subtype.");
|
return -EIO;
|
}
|
for (i = 4; i <= 6; i++)
|
checksum += buf[i];
|
if (buf[7] * 256 + buf[8] != checksum) {
|
err("boot bad confirm checksum.");
|
return -EIO;
|
}
|
*reply = buf[6];
|
break;
|
case FW_BOOT:
|
if (buf[2] != 0x10) {
|
err("boot bad boot header.");
|
return -EIO;
|
}
|
if (buf[3] != 0x05) {
|
err("boot bad boot size.");
|
return -EIO;
|
}
|
if (buf[4] != 0x00) {
|
err("boot bad boot sequence.");
|
return -EIO;
|
}
|
if (buf[5] != 0x01) {
|
err("boot bad boot pattern 01.");
|
return -EIO;
|
}
|
if (buf[6] != 0x10) {
|
err("boot bad boot pattern 10.");
|
return -EIO;
|
}
|
for (i = 4; i <= 6; i++)
|
checksum += buf[i];
|
if (buf[7] * 256 + buf[8] != checksum) {
|
err("boot bad boot checksum.");
|
return -EIO;
|
}
|
break;
|
|
}
|
|
return 0;
|
}
|
|
static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw)
|
{
|
int i, packets, ret, act_len;
|
|
u8 *buf;
|
u8 reply;
|
|
buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL);
|
if (!buf)
|
return -ENOMEM;
|
|
ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf,
|
FW_BULKOUT_SIZE + 2);
|
if (ret)
|
goto err;
|
if (reply != 0x01) {
|
err("before downloading firmware, FW_CONFIG expected 0x01, received 0x%x", reply);
|
ret = -EIO;
|
goto err;
|
}
|
packets = fw->size / FW_BULKOUT_SIZE;
|
buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);
|
buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff);
|
for (i = 0; i < packets; i++) {
|
memcpy(&buf[2], fw->data + i * FW_BULKOUT_SIZE,
|
FW_BULKOUT_SIZE);
|
deb_fw(">>> ");
|
debug_dump(buf, FW_BULKOUT_SIZE + 2, deb_fw);
|
ret = usb_bulk_msg(udev,
|
usb_sndbulkpipe(udev, 0x02),
|
buf, FW_BULKOUT_SIZE + 2, &act_len, 1000);
|
if (ret) {
|
err("firmware download failed at packet %d with code %d", i, ret);
|
goto err;
|
}
|
}
|
ret = af9005_boot_packet(udev, FW_CONFIRM, &reply,
|
buf, FW_BULKOUT_SIZE + 2);
|
if (ret)
|
goto err;
|
if (reply != (u8) (packets & 0xff)) {
|
err("after downloading firmware, FW_CONFIRM expected 0x%x, received 0x%x", packets & 0xff, reply);
|
ret = -EIO;
|
goto err;
|
}
|
ret = af9005_boot_packet(udev, FW_BOOT, &reply, buf,
|
FW_BULKOUT_SIZE + 2);
|
if (ret)
|
goto err;
|
ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf,
|
FW_BULKOUT_SIZE + 2);
|
if (ret)
|
goto err;
|
if (reply != 0x02) {
|
err("after downloading firmware, FW_CONFIG expected 0x02, received 0x%x", reply);
|
ret = -EIO;
|
goto err;
|
}
|
|
err:
|
kfree(buf);
|
return ret;
|
|
}
|
|
int af9005_led_control(struct dvb_usb_device *d, int onoff)
|
{
|
struct af9005_device_state *st = d->priv;
|
int temp, ret;
|
|
if (onoff && dvb_usb_af9005_led)
|
temp = 1;
|
else
|
temp = 0;
|
if (st->led_state != temp) {
|
ret =
|
af9005_write_register_bits(d, xd_p_reg_top_locken1,
|
reg_top_locken1_pos,
|
reg_top_locken1_len, temp);
|
if (ret)
|
return ret;
|
ret =
|
af9005_write_register_bits(d, xd_p_reg_top_lock1,
|
reg_top_lock1_pos,
|
reg_top_lock1_len, temp);
|
if (ret)
|
return ret;
|
st->led_state = temp;
|
}
|
return 0;
|
}
|
|
static int af9005_frontend_attach(struct dvb_usb_adapter *adap)
|
{
|
u8 buf[8];
|
int i;
|
|
/* without these calls the first commands after downloading
|
the firmware fail. I put these calls here to simulate
|
what it is done in dvb-usb-init.c.
|
*/
|
struct usb_device *udev = adap->dev->udev;
|
usb_clear_halt(udev, usb_sndbulkpipe(udev, 2));
|
usb_clear_halt(udev, usb_rcvbulkpipe(udev, 1));
|
if (dvb_usb_af9005_dump_eeprom) {
|
printk("EEPROM DUMP\n");
|
for (i = 0; i < 255; i += 8) {
|
af9005_read_eeprom(adap->dev, i, buf, 8);
|
debug_dump(buf, 8, printk);
|
}
|
}
|
adap->fe_adap[0].fe = af9005_fe_attach(adap->dev);
|
return 0;
|
}
|
|
static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
|
{
|
struct af9005_device_state *st = d->priv;
|
int ret, len;
|
u8 seq;
|
|
*state = REMOTE_NO_KEY_PRESSED;
|
if (rc_decode == NULL) {
|
/* it shouldn't never come here */
|
return 0;
|
}
|
|
mutex_lock(&d->data_mutex);
|
|
/* deb_info("rc_query\n"); */
|
st->data[0] = 3; /* rest of packet length low */
|
st->data[1] = 0; /* rest of packet length high */
|
st->data[2] = 0x40; /* read remote */
|
st->data[3] = 1; /* rest of packet length */
|
st->data[4] = seq = st->sequence++; /* sequence number */
|
ret = dvb_usb_generic_rw(d, st->data, 5, st->data, 256, 0);
|
if (ret) {
|
err("rc query failed");
|
goto ret;
|
}
|
if (st->data[2] != 0x41) {
|
err("rc query bad header.");
|
ret = -EIO;
|
goto ret;
|
} else if (st->data[4] != seq) {
|
err("rc query bad sequence.");
|
ret = -EIO;
|
goto ret;
|
}
|
len = st->data[5];
|
if (len > 246) {
|
err("rc query invalid length");
|
ret = -EIO;
|
goto ret;
|
}
|
if (len > 0) {
|
deb_rc("rc data (%d) ", len);
|
debug_dump((st->data + 6), len, deb_rc);
|
ret = rc_decode(d, &st->data[6], len, event, state);
|
if (ret) {
|
err("rc_decode failed");
|
goto ret;
|
} else {
|
deb_rc("rc_decode state %x event %x\n", *state, *event);
|
if (*state == REMOTE_KEY_REPEAT)
|
*event = d->last_event;
|
}
|
}
|
|
ret:
|
mutex_unlock(&d->data_mutex);
|
return ret;
|
}
|
|
static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff)
|
{
|
|
return 0;
|
}
|
|
static int af9005_pid_filter_control(struct dvb_usb_adapter *adap, int onoff)
|
{
|
int ret;
|
deb_info("pid filter control onoff %d\n", onoff);
|
if (onoff) {
|
ret =
|
af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1);
|
if (ret)
|
return ret;
|
ret =
|
af9005_write_register_bits(adap->dev,
|
XD_MP2IF_DMX_CTRL, 1, 1, 1);
|
if (ret)
|
return ret;
|
ret =
|
af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 1);
|
} else
|
ret =
|
af9005_write_ofdm_register(adap->dev, XD_MP2IF_DMX_CTRL, 0);
|
if (ret)
|
return ret;
|
deb_info("pid filter control ok\n");
|
return 0;
|
}
|
|
static int af9005_pid_filter(struct dvb_usb_adapter *adap, int index,
|
u16 pid, int onoff)
|
{
|
u8 cmd = index & 0x1f;
|
int ret;
|
deb_info("set pid filter, index %d, pid %x, onoff %d\n", index,
|
pid, onoff);
|
if (onoff) {
|
/* cannot use it as pid_filter_ctrl since it has to be done
|
before setting the first pid */
|
if (adap->feedcount == 1) {
|
deb_info("first pid set, enable pid table\n");
|
ret = af9005_pid_filter_control(adap, onoff);
|
if (ret)
|
return ret;
|
}
|
ret =
|
af9005_write_ofdm_register(adap->dev,
|
XD_MP2IF_PID_DATA_L,
|
(u8) (pid & 0xff));
|
if (ret)
|
return ret;
|
ret =
|
af9005_write_ofdm_register(adap->dev,
|
XD_MP2IF_PID_DATA_H,
|
(u8) (pid >> 8));
|
if (ret)
|
return ret;
|
cmd |= 0x20 | 0x40;
|
} else {
|
if (adap->feedcount == 0) {
|
deb_info("last pid unset, disable pid table\n");
|
ret = af9005_pid_filter_control(adap, onoff);
|
if (ret)
|
return ret;
|
}
|
}
|
ret = af9005_write_ofdm_register(adap->dev, XD_MP2IF_PID_IDX, cmd);
|
if (ret)
|
return ret;
|
deb_info("set pid ok\n");
|
return 0;
|
}
|
|
static int af9005_identify_state(struct usb_device *udev,
|
const struct dvb_usb_device_properties *props,
|
const struct dvb_usb_device_description **desc,
|
int *cold)
|
{
|
int ret;
|
u8 reply, *buf;
|
|
buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL);
|
if (!buf)
|
return -ENOMEM;
|
|
ret = af9005_boot_packet(udev, FW_CONFIG, &reply,
|
buf, FW_BULKOUT_SIZE + 2);
|
if (ret)
|
goto err;
|
deb_info("result of FW_CONFIG in identify state %d\n", reply);
|
if (reply == 0x01)
|
*cold = 1;
|
else if (reply == 0x02)
|
*cold = 0;
|
else
|
ret = -EIO;
|
if (!ret)
|
deb_info("Identify state cold = %d\n", *cold);
|
|
err:
|
kfree(buf);
|
return ret;
|
}
|
|
static struct dvb_usb_device_properties af9005_properties;
|
|
static int af9005_usb_probe(struct usb_interface *intf,
|
const struct usb_device_id *id)
|
{
|
return dvb_usb_device_init(intf, &af9005_properties,
|
THIS_MODULE, NULL, adapter_nr);
|
}
|
|
enum af9005_usb_table_entry {
|
AFATECH_AF9005,
|
TERRATEC_AF9005,
|
ANSONIC_AF9005,
|
};
|
|
static struct usb_device_id af9005_usb_table[] = {
|
[AFATECH_AF9005] = {USB_DEVICE(USB_VID_AFATECH,
|
USB_PID_AFATECH_AF9005)},
|
[TERRATEC_AF9005] = {USB_DEVICE(USB_VID_TERRATEC,
|
USB_PID_TERRATEC_CINERGY_T_USB_XE)},
|
[ANSONIC_AF9005] = {USB_DEVICE(USB_VID_ANSONIC,
|
USB_PID_ANSONIC_DVBT_USB)},
|
{ }
|
};
|
|
MODULE_DEVICE_TABLE(usb, af9005_usb_table);
|
|
static struct dvb_usb_device_properties af9005_properties = {
|
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
|
.usb_ctrl = DEVICE_SPECIFIC,
|
.firmware = "af9005.fw",
|
.download_firmware = af9005_download_firmware,
|
.no_reconnect = 1,
|
|
.size_of_priv = sizeof(struct af9005_device_state),
|
|
.num_adapters = 1,
|
.adapter = {
|
{
|
.num_frontends = 1,
|
.fe = {{
|
.caps =
|
DVB_USB_ADAP_HAS_PID_FILTER |
|
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
|
.pid_filter_count = 32,
|
.pid_filter = af9005_pid_filter,
|
/* .pid_filter_ctrl = af9005_pid_filter_control, */
|
.frontend_attach = af9005_frontend_attach,
|
/* .tuner_attach = af9005_tuner_attach, */
|
/* parameter for the MPEG2-data transfer */
|
.stream = {
|
.type = USB_BULK,
|
.count = 10,
|
.endpoint = 0x04,
|
.u = {
|
.bulk = {
|
.buffersize = 4096, /* actual size seen is 3948 */
|
}
|
}
|
},
|
}},
|
}
|
},
|
.power_ctrl = af9005_power_ctrl,
|
.identify_state = af9005_identify_state,
|
|
.i2c_algo = &af9005_i2c_algo,
|
|
.rc.legacy = {
|
.rc_interval = 200,
|
.rc_map_table = NULL,
|
.rc_map_size = 0,
|
.rc_query = af9005_rc_query,
|
},
|
|
.generic_bulk_ctrl_endpoint = 2,
|
.generic_bulk_ctrl_endpoint_response = 1,
|
|
.num_device_descs = 3,
|
.devices = {
|
{.name = "Afatech DVB-T USB1.1 stick",
|
.cold_ids = {&af9005_usb_table[AFATECH_AF9005], NULL},
|
.warm_ids = {NULL},
|
},
|
{.name = "TerraTec Cinergy T USB XE",
|
.cold_ids = {&af9005_usb_table[TERRATEC_AF9005], NULL},
|
.warm_ids = {NULL},
|
},
|
{.name = "Ansonic DVB-T USB1.1 stick",
|
.cold_ids = {&af9005_usb_table[ANSONIC_AF9005], NULL},
|
.warm_ids = {NULL},
|
},
|
{NULL},
|
}
|
};
|
|
/* usb specific object needed to register this driver with the usb subsystem */
|
static struct usb_driver af9005_usb_driver = {
|
.name = "dvb_usb_af9005",
|
.probe = af9005_usb_probe,
|
.disconnect = dvb_usb_device_exit,
|
.id_table = af9005_usb_table,
|
};
|
|
/* module stuff */
|
static int __init af9005_usb_module_init(void)
|
{
|
int result;
|
if ((result = usb_register(&af9005_usb_driver))) {
|
err("usb_register failed. (%d)", result);
|
return result;
|
}
|
#if IS_MODULE(CONFIG_DVB_USB_AF9005) || defined(CONFIG_DVB_USB_AF9005_REMOTE)
|
/* FIXME: convert to todays kernel IR infrastructure */
|
rc_decode = symbol_request(af9005_rc_decode);
|
rc_keys = symbol_request(rc_map_af9005_table);
|
rc_keys_size = symbol_request(rc_map_af9005_table_size);
|
#endif
|
if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) {
|
err("af9005_rc_decode function not found, disabling remote");
|
af9005_properties.rc.legacy.rc_query = NULL;
|
} else {
|
af9005_properties.rc.legacy.rc_map_table = rc_keys;
|
af9005_properties.rc.legacy.rc_map_size = *rc_keys_size;
|
}
|
|
return 0;
|
}
|
|
static void __exit af9005_usb_module_exit(void)
|
{
|
/* release rc decode symbols */
|
if (rc_decode != NULL)
|
symbol_put(af9005_rc_decode);
|
if (rc_keys != NULL)
|
symbol_put(rc_map_af9005_table);
|
if (rc_keys_size != NULL)
|
symbol_put(rc_map_af9005_table_size);
|
/* deregister this driver from the USB subsystem */
|
usb_deregister(&af9005_usb_driver);
|
}
|
|
module_init(af9005_usb_module_init);
|
module_exit(af9005_usb_module_exit);
|
|
MODULE_AUTHOR("Luca Olivetti <luca@ventoso.org>");
|
MODULE_DESCRIPTION("Driver for Afatech 9005 DVB-T USB1.1 stick");
|
MODULE_VERSION("1.0");
|
MODULE_LICENSE("GPL");
|
