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1137 lines
27 KiB
1137 lines
27 KiB
// 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 ([email protected]) |
|
* |
|
* 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); |
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/* 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."); |
|
|
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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 }; |
|
|
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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, |
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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 */ |
|
|
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st->data[2] = AF9005_REGISTER_RW; /* register operation */ |
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st->data[3] = 12; /* rest of buffer length */ |
|
|
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st->data[4] = seq = st->sequence++; /* sequence number */ |
|
|
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st->data[5] = (u8) (reg >> 8); /* register address */ |
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st->data[6] = (u8) (reg & 0xff); |
|
|
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if (type == AF9005_OFDM_REG) { |
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command = AF9005_CMD_OFDM_REG; |
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} else { |
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command = AF9005_CMD_TUNER; |
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} |
|
|
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if (len > 1) |
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command |= |
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AF9005_CMD_BURST | AF9005_CMD_AUTOINC | (len - 1) << 3; |
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command |= readwrite; |
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if (readwrite == AF9005_CMD_WRITE) |
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for (i = 0; i < len; i++) |
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st->data[8 + i] = values[i]; |
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else if (type == AF9005_TUNER_REG) |
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/* read command for tuner, the first byte contains the i2c address */ |
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st->data[8] = values[0]; |
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st->data[7] = command; |
|
|
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ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 17, 0); |
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if (ret) |
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goto ret; |
|
|
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/* sanity check */ |
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if (st->data[2] != AF9005_REGISTER_RW_ACK) { |
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err("generic read/write, wrong reply code."); |
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ret = -EIO; |
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goto ret; |
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} |
|
if (st->data[3] != 0x0d) { |
|
err("generic read/write, wrong length in reply."); |
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ret = -EIO; |
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goto ret; |
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} |
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if (st->data[4] != seq) { |
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err("generic read/write, wrong sequence in reply."); |
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ret = -EIO; |
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goto ret; |
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} |
|
/* |
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* In thesis, both input and output buffers should have |
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* identical values for st->data[5] to st->data[8]. |
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* However, windows driver doesn't check these fields, in fact |
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* sometimes the register in the reply is different that what |
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* has been sent |
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*/ |
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if (st->data[16] != 0x01) { |
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err("generic read/write wrong status code in reply."); |
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ret = -EIO; |
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goto ret; |
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} |
|
|
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if (readwrite == AF9005_CMD_READ) |
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for (i = 0; i < len; i++) |
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values[i] = st->data[8 + i]; |
|
|
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ret: |
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mutex_unlock(&d->data_mutex); |
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return ret; |
|
|
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} |
|
|
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int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value) |
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{ |
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int ret; |
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deb_reg("read register %x ", reg); |
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ret = af9005_generic_read_write(d, reg, |
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AF9005_CMD_READ, AF9005_OFDM_REG, |
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value, 1); |
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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; |
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} |
|
|
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int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg, |
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u8 * values, int len) |
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{ |
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int ret; |
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deb_reg("read %d registers %x ", len, reg); |
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ret = af9005_generic_read_write(d, reg, |
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AF9005_CMD_READ, AF9005_OFDM_REG, |
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values, len); |
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if (ret) |
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deb_reg("failed\n"); |
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else |
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debug_dump(values, len, deb_reg); |
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return ret; |
|
} |
|
|
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int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value) |
|
{ |
|
int ret; |
|
u8 temp = value; |
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deb_reg("write register %x value %x ", reg, value); |
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ret = af9005_generic_read_write(d, reg, |
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AF9005_CMD_WRITE, AF9005_OFDM_REG, |
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&temp, 1); |
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if (ret) |
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deb_reg("failed\n"); |
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else |
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deb_reg("ok\n"); |
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return ret; |
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} |
|
|
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int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg, |
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u8 * values, int len) |
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{ |
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int ret; |
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deb_reg("write %d registers %x values ", len, reg); |
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debug_dump(values, len, deb_reg); |
|
|
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ret = af9005_generic_read_write(d, reg, |
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AF9005_CMD_WRITE, AF9005_OFDM_REG, |
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values, len); |
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if (ret) |
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deb_reg("failed\n"); |
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else |
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deb_reg("ok\n"); |
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return ret; |
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} |
|
|
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int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, |
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u8 len, u8 * value) |
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{ |
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u8 temp; |
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int ret; |
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deb_reg("read bits %x %x %x", reg, pos, len); |
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ret = af9005_read_ofdm_register(d, reg, &temp); |
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if (ret) { |
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deb_reg(" failed\n"); |
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return ret; |
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} |
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*value = (temp >> pos) & regmask[len - 1]; |
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deb_reg(" value %x\n", *value); |
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return 0; |
|
|
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} |
|
|
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int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos, |
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u8 len, u8 value) |
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{ |
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u8 temp, mask; |
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int ret; |
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deb_reg("write bits %x %x %x value %x\n", reg, pos, len, value); |
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if (pos == 0 && len == 8) |
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return af9005_write_ofdm_register(d, reg, value); |
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ret = af9005_read_ofdm_register(d, reg, &temp); |
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if (ret) |
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return ret; |
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mask = regmask[len - 1] << pos; |
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temp = (temp & ~mask) | ((value << pos) & mask); |
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return af9005_write_ofdm_register(d, reg, temp); |
|
|
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} |
|
|
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static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d, |
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u16 reg, u8 * values, int len) |
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{ |
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return af9005_generic_read_write(d, reg, |
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AF9005_CMD_READ, AF9005_TUNER_REG, |
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values, len); |
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} |
|
|
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static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d, |
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u16 reg, u8 * values, int len) |
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{ |
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return af9005_generic_read_write(d, reg, |
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AF9005_CMD_WRITE, |
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AF9005_TUNER_REG, values, len); |
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} |
|
|
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int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg, |
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u8 * values, int len) |
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{ |
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/* don't let the name of this function mislead you: it's just used |
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as an interface from the firmware to the i2c bus. The actual |
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i2c addresses are contained in the data */ |
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int ret, i, done = 0, fail = 0; |
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u8 temp; |
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ret = af9005_usb_write_tuner_registers(d, reg, values, len); |
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if (ret) |
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return ret; |
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if (reg != 0xffff) { |
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/* check if write done (0xa40d bit 1) or fail (0xa40d bit 2) */ |
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for (i = 0; i < 200; i++) { |
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ret = |
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af9005_read_ofdm_register(d, |
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xd_I2C_i2c_m_status_wdat_done, |
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&temp); |
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if (ret) |
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return ret; |
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done = temp & (regmask[i2c_m_status_wdat_done_len - 1] |
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<< i2c_m_status_wdat_done_pos); |
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if (done) |
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break; |
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fail = temp & (regmask[i2c_m_status_wdat_fail_len - 1] |
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<< i2c_m_status_wdat_fail_pos); |
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if (fail) |
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break; |
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msleep(50); |
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} |
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if (i == 200) |
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return -ETIMEDOUT; |
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if (fail) { |
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/* clear write fail bit */ |
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af9005_write_register_bits(d, |
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xd_I2C_i2c_m_status_wdat_fail, |
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i2c_m_status_wdat_fail_pos, |
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i2c_m_status_wdat_fail_len, |
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1); |
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return -EIO; |
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} |
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/* clear write done bit */ |
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ret = |
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af9005_write_register_bits(d, |
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xd_I2C_i2c_m_status_wdat_fail, |
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i2c_m_status_wdat_done_pos, |
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i2c_m_status_wdat_done_len, 1); |
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if (ret) |
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return ret; |
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} |
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return 0; |
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} |
|
|
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int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr, |
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u8 * values, int len) |
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{ |
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/* 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 */ |
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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); |
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if (ret) |
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return ret; |
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} |
|
|
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/* send read command to ofsm */ |
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ret = af9005_usb_read_tuner_registers(d, reg, values, 1); |
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if (ret) |
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return ret; |
|
|
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/* check if read done */ |
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for (i = 0; i < 200; i++) { |
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ret = af9005_read_ofdm_register(d, 0xa408, &temp); |
|
if (ret) |
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return ret; |
|
if (temp & 0x01) |
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break; |
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msleep(50); |
|
} |
|
if (i == 200) |
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return -ETIMEDOUT; |
|
|
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/* 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) |
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{ |
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int ret, i; |
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u8 buf[3]; |
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deb_i2c("i2c_write i2caddr %x, reg %x, len %d data ", i2caddr, |
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reg, len); |
|
debug_dump(data, len, deb_i2c); |
|
|
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for (i = 0; i < len; i++) { |
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buf[0] = i2caddr; |
|
buf[1] = reg + (u8) i; |
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buf[2] = data[i]; |
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ret = |
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af9005_write_tuner_registers(d, |
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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 <[email protected]>"); |
|
MODULE_DESCRIPTION("Driver for Afatech 9005 DVB-T USB1.1 stick"); |
|
MODULE_VERSION("1.0"); |
|
MODULE_LICENSE("GPL");
|
|
|