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Commit f571e004 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] af9013: rewrite whole driver 

Rewrite whole af9013 demod driver in order to decrease I2C I/O.

We need to decrease I2C load since AF9015 (I2C adapter / USB-bridge used)
seems to have some problems under heavy I2C traffic.
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent e90ab840
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Showing with 1017 additions and 1027 deletions
drivers/media/dvb/dvb-usb/af9015.c
View file @ f571e004
......@@ -50,14 +50,14 @@ static int af9015_properties_count = ARRAY_SIZE(af9015_properties);
static struct af9013_config af9015_af9013_config[] = {
{
.demod_address = AF9015_I2C_DEMOD,
.output_mode = AF9013_OUTPUT_MODE_USB,
.i2c_addr = AF9015_I2C_DEMOD,
.ts_mode = AF9013_TS_USB,
.api_version = { 0, 1, 9, 0 },
.gpio[0] = AF9013_GPIO_HI,
.gpio[3] = AF9013_GPIO_TUNER_ON,
}, {
.output_mode = AF9013_OUTPUT_MODE_SERIAL,
.ts_mode = AF9013_TS_SERIAL,
.api_version = { 0, 1, 9, 0 },
.gpio[0] = AF9013_GPIO_TUNER_ON,
.gpio[1] = AF9013_GPIO_LO,
......@@ -216,8 +216,8 @@ static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
{
struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val};
if (addr == af9015_af9013_config[0].demod_address ||
addr == af9015_af9013_config[1].demod_address)
if (addr == af9015_af9013_config[0].i2c_addr ||
addr == af9015_af9013_config[1].i2c_addr)
req.addr_len = 3;
return af9015_ctrl_msg(d, &req);
......@@ -228,8 +228,8 @@ static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
{
struct req_t req = {READ_I2C, addr, reg, 0, 1, 1, val};
if (addr == af9015_af9013_config[0].demod_address ||
addr == af9015_af9013_config[1].demod_address)
if (addr == af9015_af9013_config[0].i2c_addr ||
addr == af9015_af9013_config[1].i2c_addr)
req.addr_len = 3;
return af9015_ctrl_msg(d, &req);
......@@ -271,8 +271,8 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate.
return -EAGAIN;
while (i < num) {
if (msg[i].addr == af9015_af9013_config[0].demod_address ||
msg[i].addr == af9015_af9013_config[1].demod_address) {
if (msg[i].addr == af9015_af9013_config[0].i2c_addr ||
msg[i].addr == af9015_af9013_config[1].i2c_addr) {
addr = msg[i].buf[0] << 8;
addr += msg[i].buf[1];
mbox = msg[i].buf[2];
......@@ -288,8 +288,7 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate.
ret = -EOPNOTSUPP;
goto error;
}
if (msg[i].addr ==
af9015_af9013_config[0].demod_address)
if (msg[i].addr == af9015_af9013_config[0].i2c_addr)
req.cmd = READ_MEMORY;
else
req.cmd = READ_I2C;
......@@ -307,7 +306,7 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate.
goto error;
}
if (msg[i].addr ==
af9015_af9013_config[0].demod_address) {
af9015_af9013_config[0].i2c_addr) {
ret = -EINVAL;
goto error;
}
......@@ -325,8 +324,7 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate.
ret = -EOPNOTSUPP;
goto error;
}
if (msg[i].addr ==
af9015_af9013_config[0].demod_address)
if (msg[i].addr == af9015_af9013_config[0].i2c_addr)
req.cmd = WRITE_MEMORY;
else
req.cmd = WRITE_I2C;
......@@ -508,7 +506,7 @@ static int af9015_copy_firmware(struct dvb_usb_device *d)
msleep(100);
ret = af9015_read_reg_i2c(d,
af9015_af9013_config[1].demod_address, 0x98be, &val);
af9015_af9013_config[1].i2c_addr, 0x98be, &val);
if (ret)
goto error;
else
......@@ -536,7 +534,7 @@ static int af9015_copy_firmware(struct dvb_usb_device *d)
goto error;
/* request boot firmware */
ret = af9015_write_reg_i2c(d, af9015_af9013_config[1].demod_address,
ret = af9015_write_reg_i2c(d, af9015_af9013_config[1].i2c_addr,
0xe205, 1);
deb_info("%s: firmware boot cmd status:%d\n", __func__, ret);
if (ret)
......@@ -547,7 +545,7 @@ static int af9015_copy_firmware(struct dvb_usb_device *d)
/* check firmware status */
ret = af9015_read_reg_i2c(d,
af9015_af9013_config[1].demod_address, 0x98be, &val);
af9015_af9013_config[1].i2c_addr, 0x98be, &val);
deb_info("%s: firmware status cmd status:%d fw status:%02x\n",
__func__, ret, val);
if (ret)
......@@ -840,7 +838,7 @@ static int af9015_read_config(struct usb_device *udev)
if (ret)
goto error;
deb_info("%s: IR mode:%d\n", __func__, val);
deb_info("%s: IR mode=%d\n", __func__, val);
for (i = 0; i < af9015_properties_count; i++) {
if (val == AF9015_IR_MODE_DISABLED)
af9015_properties[i].rc.core.rc_codes = NULL;
......@@ -854,7 +852,7 @@ static int af9015_read_config(struct usb_device *udev)
if (ret)
goto error;
af9015_config.dual_mode = val;
deb_info("%s: TS mode:%d\n", __func__, af9015_config.dual_mode);
deb_info("%s: TS mode=%d\n", __func__, af9015_config.dual_mode);
/* Set adapter0 buffer size according to USB port speed, adapter1 buffer
size can be static because it is enabled only USB2.0 */
......@@ -878,7 +876,7 @@ static int af9015_read_config(struct usb_device *udev)
ret = af9015_rw_udev(udev, &req);
if (ret)
goto error;
af9015_af9013_config[1].demod_address = val;
af9015_af9013_config[1].i2c_addr = val;
/* enable 2nd adapter */
for (i = 0; i < af9015_properties_count; i++)
......@@ -900,34 +898,38 @@ static int af9015_read_config(struct usb_device *udev)
goto error;
switch (val) {
case 0:
af9015_af9013_config[i].adc_clock = 28800;
af9015_af9013_config[i].clock = 28800000;
break;
case 1:
af9015_af9013_config[i].adc_clock = 20480;
af9015_af9013_config[i].clock = 20480000;
break;
case 2:
af9015_af9013_config[i].adc_clock = 28000;
af9015_af9013_config[i].clock = 28000000;
break;
case 3:
af9015_af9013_config[i].adc_clock = 25000;
af9015_af9013_config[i].clock = 25000000;
break;
};
deb_info("%s: [%d] xtal:%d set adc_clock:%d\n", __func__, i,
val, af9015_af9013_config[i].adc_clock);
deb_info("%s: [%d] xtal=%d set clock=%d\n", __func__, i,
val, af9015_af9013_config[i].clock);
/* tuner IF */
/* IF frequency */
req.addr = AF9015_EEPROM_IF1H + offset;
ret = af9015_rw_udev(udev, &req);
if (ret)
goto error;
af9015_af9013_config[i].tuner_if = val << 8;
af9015_af9013_config[i].if_frequency = val << 8;
req.addr = AF9015_EEPROM_IF1L + offset;
ret = af9015_rw_udev(udev, &req);
if (ret)
goto error;
af9015_af9013_config[i].tuner_if += val;
deb_info("%s: [%d] IF1:%d\n", __func__, i,
af9015_af9013_config[0].tuner_if);
af9015_af9013_config[i].if_frequency += val;
af9015_af9013_config[i].if_frequency *= 1000;
deb_info("%s: [%d] IF frequency=%d\n", __func__, i,
af9015_af9013_config[0].if_frequency);
/* MT2060 IF1 */
req.addr = AF9015_EEPROM_MT2060_IF1H + offset;
......@@ -940,7 +942,7 @@ static int af9015_read_config(struct usb_device *udev)
if (ret)
goto error;
af9015_config.mt2060_if1[i] += val;
deb_info("%s: [%d] MT2060 IF1:%d\n", __func__, i,
deb_info("%s: [%d] MT2060 IF1=%d\n", __func__, i,
af9015_config.mt2060_if1[i]);
/* tuner */
......@@ -957,30 +959,30 @@ static int af9015_read_config(struct usb_device *udev)
case AF9013_TUNER_TDA18271:
case AF9013_TUNER_QT1010A:
case AF9013_TUNER_TDA18218:
af9015_af9013_config[i].rf_spec_inv = 1;
af9015_af9013_config[i].spec_inv = 1;
break;
case AF9013_TUNER_MXL5003D:
case AF9013_TUNER_MXL5005D:
case AF9013_TUNER_MXL5005R:
case AF9013_TUNER_MXL5007T:
af9015_af9013_config[i].rf_spec_inv = 0;
af9015_af9013_config[i].spec_inv = 0;
break;
case AF9013_TUNER_MC44S803:
af9015_af9013_config[i].gpio[1] = AF9013_GPIO_LO;
af9015_af9013_config[i].rf_spec_inv = 1;
af9015_af9013_config[i].spec_inv = 1;
break;
default:
warn("tuner id:%d not supported, please report!", val);
warn("tuner id=%d not supported, please report!", val);
return -ENODEV;
};
af9015_af9013_config[i].tuner = val;
deb_info("%s: [%d] tuner id:%d\n", __func__, i, val);
deb_info("%s: [%d] tuner id=%d\n", __func__, i, val);
}
error:
if (ret)
err("eeprom read failed:%d", ret);
err("eeprom read failed=%d", ret);
/* AverMedia AVerTV Volar Black HD (A850) device have bad EEPROM
content :-( Override some wrong values here. Ditto for the
......@@ -998,7 +1000,7 @@ static int af9015_read_config(struct usb_device *udev)
af9015_properties[i].num_adapters = 1;
/* set correct IF */
af9015_af9013_config[0].tuner_if = 4570;
af9015_af9013_config[0].if_frequency = 4570000;
}
return ret;
......@@ -1156,7 +1158,7 @@ static int af9015_af9013_sleep(struct dvb_frontend *fe)
if (mutex_lock_interruptible(&adap->dev->usb_mutex))
return -EAGAIN;
ret = priv->init[adap->id](fe);
ret = priv->sleep[adap->id](fe);
mutex_unlock(&adap->dev->usb_mutex);
......
drivers/media/dvb/frontends/af9013.c
View file @ f571e004
......@@ -2,6 +2,7 @@
* Afatech AF9013 demodulator driver
*
* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* Thanks to Afatech who kindly provided information.
*
......@@ -21,25 +22,15 @@
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/firmware.h>
#include "dvb_frontend.h"
#include "af9013_priv.h"
#include "af9013.h"
int af9013_debug;
module_param_named(debug, af9013_debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
struct af9013_state {
struct i2c_adapter *i2c;
struct dvb_frontend frontend;
struct dvb_frontend fe;
struct af9013_config config;
/* tuner/demod RF and IF AGC limits used for signal strength calc */
......@@ -48,107 +39,178 @@ struct af9013_state {
u32 ber;
u32 ucblocks;
u16 snr;
u32 frequency;
unsigned long next_statistics_check;
u32 bandwidth_hz;
fe_status_t fe_status;
unsigned long set_frontend_jiffies;
unsigned long read_status_jiffies;
bool first_tune;
bool i2c_gate_state;
unsigned int statistics_step:3;
struct delayed_work statistics_work;
};
static u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff };
static int af9013_write_regs(struct af9013_state *state, u8 mbox, u16 reg,
u8 *val, u8 len)
/* write multiple registers */
static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
const u8 *val, int len)
{
int ret;
u8 buf[3+len];
struct i2c_msg msg = {
.addr = state->config.demod_address,
.flags = 0,
.len = sizeof(buf),
.buf = buf };
buf[0] = reg >> 8;
buf[1] = reg & 0xff;
struct i2c_msg msg[1] = {
{
.addr = priv->config.i2c_addr,
.flags = 0,
.len = sizeof(buf),
.buf = buf,
}
};
buf[0] = (reg >> 8) & 0xff;
buf[1] = (reg >> 0) & 0xff;
buf[2] = mbox;
memcpy(&buf[3], val, len);
if (i2c_transfer(state->i2c, &msg, 1) != 1) {
warn("I2C write failed reg:%04x len:%d", reg, len);
return -EREMOTEIO;
ret = i2c_transfer(priv->i2c, msg, 1);
if (ret == 1) {
ret = 0;
} else {
warn("i2c wr failed=%d reg=%04x len=%d", ret, reg, len);
ret = -EREMOTEIO;
}
return 0;
return ret;
}
static int af9013_write_ofdm_regs(struct af9013_state *state, u16 reg, u8 *val,
u8 len)
/* read multiple registers */
static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
u8 *val, int len)
{
u8 mbox = (1 << 0)|(1 << 1)|((len - 1) << 2)|(0 << 6)|(0 << 7);
return af9013_write_regs(state, mbox, reg, val, len);
int ret;
u8 buf[3];
struct i2c_msg msg[2] = {
{
.addr = priv->config.i2c_addr,
.flags = 0,
.len = 3,
.buf = buf,
}, {
.addr = priv->config.i2c_addr,
.flags = I2C_M_RD,
.len = len,
.buf = val,
}
};
buf[0] = (reg >> 8) & 0xff;
buf[1] = (reg >> 0) & 0xff;
buf[2] = mbox;
ret = i2c_transfer(priv->i2c, msg, 2);
if (ret == 2) {
ret = 0;
} else {
warn("i2c rd failed=%d reg=%04x len=%d", ret, reg, len);
ret = -EREMOTEIO;
}
return ret;
}
static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
u8 len)
/* write multiple registers */
static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val,
int len)
{
u8 mbox = (1 << 0)|(1 << 1)|((len - 1) << 2)|(1 << 6)|(1 << 7);
return af9013_write_regs(state, mbox, reg, val, len);
int ret, i;
u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0);
if ((priv->config.ts_mode == AF9013_TS_USB) &
((reg & 0xff00) != 0xff00) & ((reg & 0xff00) != 0xae00)) {
mbox |= ((len - 1) << 2);
ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len);
} else {
for (i = 0; i < len; i++) {
ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1);
if (ret)
goto err;
}
}
err:
return 0;
}
/* read multiple registers */
static int af9013_rd_regs(struct af9013_state *priv, u16 reg, u8 *val, int len)
{
int ret, i;
u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0);
if ((priv->config.ts_mode == AF9013_TS_USB) &
((reg & 0xff00) != 0xff00) & ((reg & 0xff00) != 0xae00)) {
mbox |= ((len - 1) << 2);
ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len);
} else {
for (i = 0; i < len; i++) {
ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1);
if (ret)
goto err;
}
}
err:
return 0;
}
/* write single register */
static int af9013_write_reg(struct af9013_state *state, u16 reg, u8 val)
static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val)
{
return af9013_write_ofdm_regs(state, reg, &val, 1);
return af9013_wr_regs(priv, reg, &val, 1);
}
/* read single register */
static int af9013_read_reg(struct af9013_state *state, u16 reg, u8 *val)
static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val)
{
u8 obuf[3] = { reg >> 8, reg & 0xff, 0 };
u8 ibuf[1];
struct i2c_msg msg[2] = {
{
.addr = state->config.demod_address,
.flags = 0,
.len = sizeof(obuf),
.buf = obuf
}, {
.addr = state->config.demod_address,
.flags = I2C_M_RD,
.len = sizeof(ibuf),
.buf = ibuf
}
};
return af9013_rd_regs(priv, reg, val, 1);
}
if (i2c_transfer(state->i2c, msg, 2) != 2) {
warn("I2C read failed reg:%04x", reg);
return -EREMOTEIO;
}
*val = ibuf[0];
return 0;
static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
u8 len)
{
u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0);
return af9013_wr_regs_i2c(state, mbox, reg, val, len);
}
static int af9013_write_reg_bits(struct af9013_state *state, u16 reg, u8 pos,
u8 len, u8 val)
static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,
int len, u8 val)
{
int ret;
u8 tmp, mask;
ret = af9013_read_reg(state, reg, &tmp);
if (ret)
return ret;
/* no need for read if whole reg is written */
if (len != 8) {
ret = af9013_rd_reg(state, reg, &tmp);
if (ret)
return ret;
mask = regmask[len - 1] << pos;
tmp = (tmp & ~mask) | ((val << pos) & mask);
mask = (0xff >> (8 - len)) << pos;
val <<= pos;
tmp &= ~mask;
val |= tmp;
}
return af9013_write_reg(state, reg, tmp);
return af9013_wr_reg(state, reg, val);
}
static int af9013_read_reg_bits(struct af9013_state *state, u16 reg, u8 pos,
u8 len, u8 *val)
static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,
int len, u8 *val)
{
int ret;
u8 tmp;
ret = af9013_read_reg(state, reg, &tmp);
ret = af9013_rd_reg(state, reg, &tmp);
if (ret)
return ret;
*val = (tmp >> pos) & regmask[len - 1];
*val = (tmp >> pos);
*val &= (0xff >> (8 - len));
return 0;
}
......@@ -157,10 +219,13 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
int ret;
u8 pos;
u16 addr;
deb_info("%s: gpio:%d gpioval:%02x\n", __func__, gpio, gpioval);
/* GPIO0 & GPIO1 0xd735
GPIO2 & GPIO3 0xd736 */
dbg("%s: gpio=%d gpioval=%02x", __func__, gpio, gpioval);
/*
* GPIO0 & GPIO1 0xd735
* GPIO2 & GPIO3 0xd736
*/
switch (gpio) {
case 0:
......@@ -175,7 +240,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
default:
err("invalid gpio:%d\n", gpio);
ret = -EINVAL;
goto error;
goto err;
};
switch (gpio) {
......@@ -190,16 +255,21 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
break;
};
ret = af9013_write_reg_bits(state, addr, pos, 4, gpioval);
ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
if (ret)
goto err;
error:
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static u32 af913_div(u32 a, u32 b, u32 x)
{
u32 r = 0, c = 0, i;
deb_info("%s: a:%d b:%d x:%d\n", __func__, a, b, x);
dbg("%s: a=%d b=%d x=%d", __func__, a, b, x);
if (a > b) {
c = a / b;
......@@ -216,182 +286,408 @@ static u32 af913_div(u32 a, u32 b, u32 x)
}
r = (c << (u32)x) + r;
deb_info("%s: a:%d b:%d x:%d r:%d r:%x\n", __func__, a, b, x, r, r);
dbg("%s: a=%d b=%d x=%d r=%x", __func__, a, b, x, r);
return r;
}
static int af9013_set_coeff(struct af9013_state *state, fe_bandwidth_t bw)
static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
{
int ret, i, j, found;
deb_info("%s: adc_clock:%d bw:%d\n", __func__,
state->config.adc_clock, bw);
/* lookup coeff from table */
for (i = 0, found = 0; i < ARRAY_SIZE(coeff_table); i++) {
if (coeff_table[i].adc_clock == state->config.adc_clock &&
coeff_table[i].bw == bw) {
found = 1;
break;
}
}
int ret, i;
u8 tmp;
if (!found) {
err("invalid bw or clock");
ret = -EINVAL;
goto error;
dbg("%s: onoff=%d", __func__, onoff);
/* enable reset */
ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
if (ret)
goto err;
/* start reset mechanism */
ret = af9013_wr_reg(state, 0xaeff, 1);
if (ret)
goto err;
/* wait reset performs */
for (i = 0; i < 150; i++) {
ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);
if (ret)
goto err;
if (tmp)
break; /* reset done */
usleep_range(5000, 25000);
}
deb_info("%s: coeff: ", __func__);
debug_dump(coeff_table[i].val, sizeof(coeff_table[i].val), deb_info);
if (!tmp)
return -ETIMEDOUT;
/* program */
for (j = 0; j < sizeof(coeff_table[i].val); j++) {
ret = af9013_write_reg(state, 0xae00 + j,
coeff_table[i].val[j]);
if (onoff) {
/* clear reset */
ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);
if (ret)
break;
goto err;
/* disable reset */
ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);
/* power on */
ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);
} else {
/* power off */
ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);
}
error:
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_set_adc_ctrl(struct af9013_state *state)
static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
u8 buf[3], tmp, i;
u32 adc_cw;
deb_info("%s: adc_clock:%d\n", __func__, state->config.adc_clock);
dbg("%s", __func__);
/* adc frequency type */
switch (state->config.adc_clock) {
case 28800: /* 28.800 MHz */
tmp = 0;
break;
case 20480: /* 20.480 MHz */
tmp = 1;
/* reset and start BER counter */
ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
if (ret)
goto err;
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
u8 buf[5];
dbg("%s", __func__);
/* check if error bit count is ready */
ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
if (ret)
goto err;
if (!buf[0]) {
dbg("%s: not ready", __func__);
return 0;
}
ret = af9013_rd_regs(state, 0xd387, buf, 5);
if (ret)
goto err;
state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0];
state->ucblocks += (buf[4] << 8) | buf[3];
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_statistics_snr_start(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
dbg("%s", __func__);
/* start SNR meas */
ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
if (ret)
goto err;
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_statistics_snr_result(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret, i, len;
u8 buf[3], tmp;
u32 snr_val;
const struct af9013_snr *uninitialized_var(snr_lut);
dbg("%s", __func__);
/* check if SNR ready */
ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
if (ret)
goto err;
if (!tmp) {
dbg("%s: not ready", __func__);
return 0;
}
/* read value */
ret = af9013_rd_regs(state, 0xd2e3, buf, 3);
if (ret)
goto err;
snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
/* read current modulation */
ret = af9013_rd_reg(state, 0xd3c1, &tmp);
if (ret)
goto err;
switch ((tmp >> 6) & 3) {
case 0:
len = ARRAY_SIZE(qpsk_snr_lut);
snr_lut = qpsk_snr_lut;
break;
case 28000: /* 28.000 MHz */
tmp = 2;
case 1:
len = ARRAY_SIZE(qam16_snr_lut);
snr_lut = qam16_snr_lut;
break;
case 25000: /* 25.000 MHz */
tmp = 3;
case 2:
len = ARRAY_SIZE(qam64_snr_lut);
snr_lut = qam64_snr_lut;
break;
default:
err("invalid xtal");
return -EINVAL;
goto err;
break;
}
adc_cw = af913_div(state->config.adc_clock*1000, 1000000ul, 19ul);
for (i = 0; i < len; i++) {
tmp = snr_lut[i].snr;
buf[0] = (u8) ((adc_cw & 0x000000ff));
buf[1] = (u8) ((adc_cw & 0x0000ff00) >> 8);
buf[2] = (u8) ((adc_cw & 0x00ff0000) >> 16);
if (snr_val < snr_lut[i].val)
break;
}
state->snr = tmp * 10; /* dB/10 */
deb_info("%s: adc_cw:", __func__);
debug_dump(buf, sizeof(buf), deb_info);
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
/* program */
for (i = 0; i < sizeof(buf); i++) {
ret = af9013_write_reg(state, 0xd180 + i, buf[i]);
if (ret)
goto error;
}
ret = af9013_write_reg_bits(state, 0x9bd2, 0, 4, tmp);
error:
static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret = 0;
u8 buf[2], rf_gain, if_gain;
int signal_strength;
dbg("%s", __func__);
if (!state->signal_strength_en)
return 0;
ret = af9013_rd_regs(state, 0xd07c, buf, 2);
if (ret)
goto err;
rf_gain = buf[0];
if_gain = buf[1];
signal_strength = (0xffff / \
(9 * (state->rf_50 + state->if_50) - \
11 * (state->rf_80 + state->if_80))) * \
(10 * (rf_gain + if_gain) - \
11 * (state->rf_80 + state->if_80));
if (signal_strength < 0)
signal_strength = 0;
else if (signal_strength > 0xffff)
signal_strength = 0xffff;
state->signal_strength = signal_strength;
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_set_freq_ctrl(struct af9013_state *state,
struct dvb_frontend *fe)
static void af9013_statistics_work(struct work_struct *work)
{
int ret;
u16 addr;
u8 buf[3], i, j;
u32 adc_freq, freq_cw;
s8 bfs_spec_inv;
int if_sample_freq;
for (j = 0; j < 3; j++) {
if (j == 0) {
addr = 0xd140; /* fcw normal */
bfs_spec_inv = state->config.rf_spec_inv ? -1 : 1;
} else if (j == 1) {
addr = 0x9be7; /* fcw dummy ram */
bfs_spec_inv = state->config.rf_spec_inv ? -1 : 1;
} else {
addr = 0x9bea; /* fcw inverted */
bfs_spec_inv = state->config.rf_spec_inv ? 1 : -1;
struct af9013_state *state = container_of(work,
struct af9013_state, statistics_work.work);
unsigned int next_msec;
/* update only signal strength when demod is not locked */
if (!(state->fe_status & FE_HAS_LOCK)) {
state->statistics_step = 0;
state->ber = 0;
state->snr = 0;
}
switch (state->statistics_step) {
default:
state->statistics_step = 0;
case 0:
ret = af9013_statistics_signal_strength(&state->fe);
state->statistics_step++;
next_msec = 300;
break;
case 1:
ret = af9013_statistics_snr_start(&state->fe);
state->statistics_step++;
next_msec = 200;
break;
case 2:
ret = af9013_statistics_ber_unc_start(&state->fe);
state->statistics_step++;
next_msec = 1000;
break;
case 3:
ret = af9013_statistics_snr_result(&state->fe);
state->statistics_step++;
next_msec = 400;
break;
case 4:
ret = af9013_statistics_ber_unc_result(&state->fe);
state->statistics_step++;
next_msec = 100;
break;
}
schedule_delayed_work(&state->statistics_work,
msecs_to_jiffies(next_msec));
return;
}
static int af9013_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *fesettings)
{
fesettings->min_delay_ms = 800;
fesettings->step_size = 0;
fesettings->max_drift = 0;
return 0;
}
static int af9013_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct af9013_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, sampling_freq;
bool auto_mode, spec_inv;
u8 buf[6];
u32 if_frequency, freq_cw;
dbg("%s: frequency=%d bandwidth_hz=%d", __func__,
c->frequency, c->bandwidth_hz);
/* program tuner */
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe, p);
/* program CFOE coefficients */
if (c->bandwidth_hz != state->bandwidth_hz) {
for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
if (coeff_lut[i].clock == state->config.clock &&
coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
break;
}
}
adc_freq = state->config.adc_clock * 1000;
ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
sizeof(coeff_lut[i].val));
}
/* program frequency control */
if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) {
/* get used IF frequency */
if (fe->ops.tuner_ops.get_if_frequency)
fe->ops.tuner_ops.get_if_frequency(fe, &if_sample_freq);
fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
else
if_sample_freq = state->config.tuner_if * 1000;
if_frequency = state->config.if_frequency;
while (if_sample_freq > (adc_freq / 2))
if_sample_freq = if_sample_freq - adc_freq;
sampling_freq = if_frequency;
if (if_sample_freq >= 0)
bfs_spec_inv = bfs_spec_inv * (-1);
else
if_sample_freq = if_sample_freq * (-1);
while (sampling_freq > (state->config.clock / 2))
sampling_freq -= state->config.clock;
freq_cw = af913_div(if_sample_freq, adc_freq, 23ul);
if (sampling_freq < 0) {
sampling_freq *= -1;
spec_inv = state->config.spec_inv;
} else {
spec_inv = !state->config.spec_inv;
}
if (bfs_spec_inv == -1)
freq_cw = 0x00800000 - freq_cw;
freq_cw = af913_div(sampling_freq, state->config.clock, 23);
buf[0] = (u8) ((freq_cw & 0x000000ff));
buf[1] = (u8) ((freq_cw & 0x0000ff00) >> 8);
buf[2] = (u8) ((freq_cw & 0x007f0000) >> 16);
if (spec_inv)
freq_cw = 0x800000 - freq_cw;
buf[0] = (freq_cw >> 0) & 0xff;
buf[1] = (freq_cw >> 8) & 0xff;
buf[2] = (freq_cw >> 16) & 0x7f;
deb_info("%s: freq_cw:", __func__);
debug_dump(buf, sizeof(buf), deb_info);
freq_cw = 0x800000 - freq_cw;
/* program */
for (i = 0; i < sizeof(buf); i++) {
ret = af9013_write_reg(state, addr++, buf[i]);
if (ret)
goto error;
}
buf[3] = (freq_cw >> 0) & 0xff;
buf[4] = (freq_cw >> 8) & 0xff;
buf[5] = (freq_cw >> 16) & 0x7f;
ret = af9013_wr_regs(state, 0xd140, buf, 3);
if (ret)
goto err;
ret = af9013_wr_regs(state, 0x9be7, buf, 6);
if (ret)
goto err;
}
error:
return ret;
}
static int af9013_set_ofdm_params(struct af9013_state *state,
struct dvb_ofdm_parameters *params, u8 *auto_mode)
{
int ret;
u8 i, buf[3] = {0, 0, 0};
*auto_mode = 0; /* set if parameters are requested to auto set */
/* clear TPS lock flag */
ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);
if (ret)
goto err;
/* Try auto-detect transmission parameters in case of AUTO requested or
garbage parameters given by application for compatibility.
MPlayer seems to provide garbage parameters currently. */
/* clear MPEG2 lock flag */
ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);
if (ret)
goto err;
switch (params->transmission_mode) {
/* empty channel function */
ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);
if (ret)
goto err;
/* empty DVB-T channel function */
ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);
if (ret)
goto err;
/* transmission parameters */
auto_mode = false;
memset(buf, 0, 3);
switch (c->transmission_mode) {
case TRANSMISSION_MODE_AUTO:
*auto_mode = 1;
auto_mode = 1;
break;
case TRANSMISSION_MODE_2K:
break;
case TRANSMISSION_MODE_8K:
buf[0] |= (1 << 0);
break;
default:
deb_info("%s: invalid transmission_mode\n", __func__);
*auto_mode = 1;
dbg("%s: invalid transmission_mode", __func__);
auto_mode = 1;
}
switch (params->guard_interval) {
switch (c->guard_interval) {
case GUARD_INTERVAL_AUTO:
*auto_mode = 1;
auto_mode = 1;
break;
case GUARD_INTERVAL_1_32:
break;
case GUARD_INTERVAL_1_16:
......@@ -404,13 +700,14 @@ static int af9013_set_ofdm_params(struct af9013_state *state,
buf[0] |= (3 << 2);
break;
default:
deb_info("%s: invalid guard_interval\n", __func__);
*auto_mode = 1;
dbg("%s: invalid guard_interval", __func__);
auto_mode = 1;
}
switch (params->hierarchy_information) {
switch (c->hierarchy) {
case HIERARCHY_AUTO:
*auto_mode = 1;
auto_mode = 1;
break;
case HIERARCHY_NONE:
break;
case HIERARCHY_1:
......@@ -423,13 +720,14 @@ static int af9013_set_ofdm_params(struct af9013_state *state,
buf[0] |= (3 << 4);
break;
default:
deb_info("%s: invalid hierarchy_information\n", __func__);
*auto_mode = 1;
dbg("%s: invalid hierarchy", __func__);
auto_mode = 1;
};
switch (params->constellation) {
switch (c->modulation) {
case QAM_AUTO:
*auto_mode = 1;
auto_mode = 1;
break;
case QPSK:
break;
case QAM_16:
......@@ -439,16 +737,17 @@ static int af9013_set_ofdm_params(struct af9013_state *state,
buf[1] |= (2 << 6);
break;
default:
deb_info("%s: invalid constellation\n", __func__);
*auto_mode = 1;
dbg("%s: invalid modulation", __func__);
auto_mode = 1;
}
/* Use HP. How and which case we can switch to LP? */
buf[1] |= (1 << 4);
switch (params->code_rate_HP) {
switch (c->code_rate_HP) {
case FEC_AUTO:
*auto_mode = 1;
auto_mode = 1;
break;
case FEC_1_2:
break;
case FEC_2_3:
......@@ -464,16 +763,14 @@ static int af9013_set_ofdm_params(struct af9013_state *state,
buf[2] |= (4 << 0);
break;
default:
deb_info("%s: invalid code_rate_HP\n", __func__);
*auto_mode = 1;
dbg("%s: invalid code_rate_HP", __func__);
auto_mode = 1;
}
switch (params->code_rate_LP) {
switch (c->code_rate_LP) {
case FEC_AUTO:
/* if HIERARCHY_NONE and FEC_NONE then LP FEC is set to FEC_AUTO
by dvb_frontend.c for compatibility */
if (params->hierarchy_information != HIERARCHY_NONE)
*auto_mode = 1;
auto_mode = 1;
break;
case FEC_1_2:
break;
case FEC_2_3:
......@@ -489,183 +786,63 @@ static int af9013_set_ofdm_params(struct af9013_state *state,
buf[2] |= (4 << 3);
break;
case FEC_NONE:
if (params->hierarchy_information == HIERARCHY_AUTO)
break;
break;
default:
deb_info("%s: invalid code_rate_LP\n", __func__);
*auto_mode = 1;
dbg("%s: invalid code_rate_LP", __func__);
auto_mode = 1;
}
switch (params->bandwidth) {
case BANDWIDTH_6_MHZ:
switch (c->bandwidth_hz) {
case 6000000:
break;
case BANDWIDTH_7_MHZ:
case 7000000:
buf[1] |= (1 << 2);
break;
case BANDWIDTH_8_MHZ:
case 8000000:
buf[1] |= (2 << 2);
break;
default:
deb_info("%s: invalid bandwidth\n", __func__);
buf[1] |= (2 << 2); /* cannot auto-detect BW, try 8 MHz */
}
/* program */
for (i = 0; i < sizeof(buf); i++) {
ret = af9013_write_reg(state, 0xd3c0 + i, buf[i]);
if (ret)
break;
dbg("%s: invalid bandwidth_hz", __func__);
ret = -EINVAL;
goto err;
}
return ret;
}
static int af9013_reset(struct af9013_state *state, u8 sleep)
{
int ret;
u8 tmp, i;
deb_info("%s\n", __func__);
/* enable OFDM reset */
ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 1);
if (ret)
goto error;
/* start reset mechanism */
ret = af9013_write_reg(state, 0xaeff, 1);
ret = af9013_wr_regs(state, 0xd3c0, buf, 3);
if (ret)
goto error;
goto err;
/* reset is done when bit 1 is set */
for (i = 0; i < 150; i++) {
ret = af9013_read_reg_bits(state, 0xd417, 1, 1, &tmp);
if (ret)
goto error;
if (tmp)
break; /* reset done */
msleep(10);
}
if (!tmp)
return -ETIMEDOUT;
/* don't clear reset when going to sleep */
if (!sleep) {
/* clear OFDM reset */
ret = af9013_write_reg_bits(state, 0xd417, 1, 1, 0);
if (auto_mode) {
/* clear easy mode flag */
ret = af9013_wr_reg(state, 0xaefd, 0);
if (ret)
goto error;
/* disable OFDM reset */
ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 0);
}
error:
return ret;
}
goto err;
static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
{
int ret;
deb_info("%s: onoff:%d\n", __func__, onoff);
if (onoff) {
/* power on */
ret = af9013_write_reg_bits(state, 0xd73a, 3, 1, 0);
if (ret)
goto error;
ret = af9013_write_reg_bits(state, 0xd417, 1, 1, 0);
if (ret)
goto error;
ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 0);
dbg("%s: auto params", __func__);
} else {
/* power off */
ret = af9013_reset(state, 1);
/* set easy mode flag */
ret = af9013_wr_reg(state, 0xaefd, 1);
if (ret)
goto error;
ret = af9013_write_reg_bits(state, 0xd73a, 3, 1, 1);
}
error:
return ret;
}
static int af9013_lock_led(struct af9013_state *state, u8 onoff)
{
deb_info("%s: onoff:%d\n", __func__, onoff);
return af9013_write_reg_bits(state, 0xd730, 0, 1, onoff);
}
static int af9013_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
u8 auto_mode; /* auto set TPS */
deb_info("%s: freq:%d bw:%d\n", __func__, params->frequency,
params->u.ofdm.bandwidth);
state->frequency = params->frequency;
/* program tuner */
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe, params);
/* program CFOE coefficients */
ret = af9013_set_coeff(state, params->u.ofdm.bandwidth);
if (ret)
goto error;
/* program frequency control */
ret = af9013_set_freq_ctrl(state, fe);
if (ret)
goto error;
/* clear TPS lock flag (inverted flag) */
ret = af9013_write_reg_bits(state, 0xd330, 3, 1, 1);
if (ret)
goto error;
/* clear MPEG2 lock flag */
ret = af9013_write_reg_bits(state, 0xd507, 6, 1, 0);
if (ret)
goto error;
/* empty channel function */
ret = af9013_write_reg_bits(state, 0x9bfe, 0, 1, 0);
if (ret)
goto error;
/* empty DVB-T channel function */
ret = af9013_write_reg_bits(state, 0x9bc2, 0, 1, 0);
if (ret)
goto error;
goto err;
/* program TPS and bandwidth, check if auto mode needed */
ret = af9013_set_ofdm_params(state, &params->u.ofdm, &auto_mode);
if (ret)
goto error;
if (auto_mode) {
/* clear easy mode flag */
ret = af9013_write_reg(state, 0xaefd, 0);
deb_info("%s: auto TPS\n", __func__);
} else {
/* set easy mode flag */
ret = af9013_write_reg(state, 0xaefd, 1);
ret = af9013_wr_reg(state, 0xaefe, 0);
if (ret)
goto error;
ret = af9013_write_reg(state, 0xaefe, 0);
deb_info("%s: manual TPS\n", __func__);
goto err;
dbg("%s: manual params", __func__);
}
if (ret)
goto error;
/* everything is set, lets try to receive channel - OFSM GO! */
ret = af9013_write_reg(state, 0xffff, 0);
/* tune */
ret = af9013_wr_reg(state, 0xffff, 0);
if (ret)
goto error;
goto err;
state->bandwidth_hz = c->bandwidth_hz;
state->set_frontend_jiffies = jiffies;
state->first_tune = false;
error:
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
......@@ -673,525 +850,310 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct af9013_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
u8 i, buf[3];
deb_info("%s\n", __func__);
u8 buf[3];
/* read TPS registers */
for (i = 0; i < 3; i++) {
ret = af9013_read_reg(state, 0xd3c0 + i, &buf[i]);
if (ret)
goto error;
}
dbg("%s", __func__);
ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
if (ret)
goto err;
switch ((buf[1] >> 6) & 3) {
case 0:
p->u.ofdm.constellation = QPSK;
c->modulation = QPSK;
break;
case 1:
p->u.ofdm.constellation = QAM_16;
c->modulation = QAM_16;
break;
case 2:
p->u.ofdm.constellation = QAM_64;
c->modulation = QAM_64;
break;
}
switch ((buf[0] >> 0) & 3) {
case 0:
p->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
c->transmission_mode = TRANSMISSION_MODE_2K;
break;
case 1:
p->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
c->transmission_mode = TRANSMISSION_MODE_8K;
}
switch ((buf[0] >> 2) & 3) {
case 0:
p->u.ofdm.guard_interval = GUARD_INTERVAL_1_32;
c->transmission_mode = GUARD_INTERVAL_1_32;
break;
case 1:
p->u.ofdm.guard_interval = GUARD_INTERVAL_1_16;
c->transmission_mode = GUARD_INTERVAL_1_16;
break;
case 2:
p->u.ofdm.guard_interval = GUARD_INTERVAL_1_8;
c->transmission_mode = GUARD_INTERVAL_1_8;
break;
case 3:
p->u.ofdm.guard_interval = GUARD_INTERVAL_1_4;
c->transmission_mode = GUARD_INTERVAL_1_4;
break;
}
switch ((buf[0] >> 4) & 7) {
case 0:
p->u.ofdm.hierarchy_information = HIERARCHY_NONE;
c->hierarchy = HIERARCHY_NONE;
break;
case 1:
p->u.ofdm.hierarchy_information = HIERARCHY_1;
c->hierarchy = HIERARCHY_1;
break;
case 2:
p->u.ofdm.hierarchy_information = HIERARCHY_2;
c->hierarchy = HIERARCHY_2;
break;
case 3:
p->u.ofdm.hierarchy_information = HIERARCHY_4;
c->hierarchy = HIERARCHY_4;
break;
}
switch ((buf[2] >> 0) & 7) {
case 0:
p->u.ofdm.code_rate_HP = FEC_1_2;
c->code_rate_HP = FEC_1_2;
break;
case 1:
p->u.ofdm.code_rate_HP = FEC_2_3;
break;
case 2:
p->u.ofdm.code_rate_HP = FEC_3_4;
break;
case 3:
p->u.ofdm.code_rate_HP = FEC_5_6;
break;
case 4:
p->u.ofdm.code_rate_HP = FEC_7_8;
break;
}
switch ((buf[2] >> 3) & 7) {
case 0:
p->u.ofdm.code_rate_LP = FEC_1_2;
break;
case 1:
p->u.ofdm.code_rate_LP = FEC_2_3;
break;
case 2:
p->u.ofdm.code_rate_LP = FEC_3_4;
break;
case 3:
p->u.ofdm.code_rate_LP = FEC_5_6;
break;
case 4:
p->u.ofdm.code_rate_LP = FEC_7_8;
break;
}
switch ((buf[1] >> 2) & 3) {
case 0:
p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
break;
case 1:
p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
break;
case 2:
p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
break;
}
p->inversion = INVERSION_AUTO;
p->frequency = state->frequency;
error:
return ret;
}
static int af9013_update_ber_unc(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
u8 buf[3], i;
u32 error_bit_count = 0;
u32 total_bit_count = 0;
u32 abort_packet_count = 0;
state->ber = 0;
/* check if error bit count is ready */
ret = af9013_read_reg_bits(state, 0xd391, 4, 1, &buf[0]);
if (ret)
goto error;
if (!buf[0])
goto exit;
/* get RSD packet abort count */
for (i = 0; i < 2; i++) {
ret = af9013_read_reg(state, 0xd38a + i, &buf[i]);
if (ret)
goto error;
}
abort_packet_count = (buf[1] << 8) + buf[0];
/* get error bit count */
for (i = 0; i < 3; i++) {
ret = af9013_read_reg(state, 0xd387 + i, &buf[i]);
if (ret)
goto error;
}
error_bit_count = (buf[2] << 16) + (buf[1] << 8) + buf[0];
error_bit_count = error_bit_count - abort_packet_count * 8 * 8;
/* get used RSD counting period (10000 RSD packets used) */
for (i = 0; i < 2; i++) {
ret = af9013_read_reg(state, 0xd385 + i, &buf[i]);
if (ret)
goto error;
}
total_bit_count = (buf[1] << 8) + buf[0];
total_bit_count = total_bit_count - abort_packet_count;
total_bit_count = total_bit_count * 204 * 8;
if (total_bit_count)
state->ber = error_bit_count * 1000000000 / total_bit_count;
state->ucblocks += abort_packet_count;
deb_info("%s: err bits:%d total bits:%d abort count:%d\n", __func__,
error_bit_count, total_bit_count, abort_packet_count);
/* set BER counting range */
ret = af9013_write_reg(state, 0xd385, 10000 & 0xff);
if (ret)
goto error;
ret = af9013_write_reg(state, 0xd386, 10000 >> 8);
if (ret)
goto error;
/* reset and start BER counter */
ret = af9013_write_reg_bits(state, 0xd391, 4, 1, 1);
if (ret)
goto error;
exit:
error:
return ret;
}
static int af9013_update_snr(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
u8 buf[3], i, len;
u32 quant = 0;
struct snr_table *uninitialized_var(snr_table);
/* check if quantizer ready (for snr) */
ret = af9013_read_reg_bits(state, 0xd2e1, 3, 1, &buf[0]);
if (ret)
goto error;
if (buf[0]) {
/* quantizer ready - read it */
for (i = 0; i < 3; i++) {
ret = af9013_read_reg(state, 0xd2e3 + i, &buf[i]);
if (ret)
goto error;
}
quant = (buf[2] << 16) + (buf[1] << 8) + buf[0];
/* read current constellation */
ret = af9013_read_reg(state, 0xd3c1, &buf[0]);
if (ret)
goto error;
switch ((buf[0] >> 6) & 3) {
case 0:
len = ARRAY_SIZE(qpsk_snr_table);
snr_table = qpsk_snr_table;
break;
case 1:
len = ARRAY_SIZE(qam16_snr_table);
snr_table = qam16_snr_table;
break;
case 2:
len = ARRAY_SIZE(qam64_snr_table);
snr_table = qam64_snr_table;
break;
default:
len = 0;
break;
}
if (len) {
for (i = 0; i < len; i++) {
if (quant < snr_table[i].val) {
state->snr = snr_table[i].snr * 10;
break;
}
}
}
/* set quantizer super frame count */
ret = af9013_write_reg(state, 0xd2e2, 1);
if (ret)
goto error;
/* check quantizer availability */
for (i = 0; i < 10; i++) {
msleep(10);
ret = af9013_read_reg_bits(state, 0xd2e6, 0, 1,
&buf[0]);
if (ret)
goto error;
if (!buf[0])
break;
}
/* reset quantizer */
ret = af9013_write_reg_bits(state, 0xd2e1, 3, 1, 1);
if (ret)
goto error;
c->code_rate_HP = FEC_2_3;
break;
case 2:
c->code_rate_HP = FEC_3_4;
break;
case 3:
c->code_rate_HP = FEC_5_6;
break;
case 4:
c->code_rate_HP = FEC_7_8;
break;
}
error:
return ret;
}
static int af9013_update_signal_strength(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret = 0;
u8 rf_gain, if_gain;
int signal_strength;
deb_info("%s\n", __func__);
switch ((buf[2] >> 3) & 7) {
case 0:
c->code_rate_LP = FEC_1_2;
break;
case 1:
c->code_rate_LP = FEC_2_3;
break;
case 2:
c->code_rate_LP = FEC_3_4;
break;
case 3:
c->code_rate_LP = FEC_5_6;
break;
case 4:
c->code_rate_LP = FEC_7_8;
break;
}
if (state->signal_strength_en) {
ret = af9013_read_reg(state, 0xd07c, &rf_gain);
if (ret)
goto error;
ret = af9013_read_reg(state, 0xd07d, &if_gain);
if (ret)
goto error;
signal_strength = (0xffff / \
(9 * (state->rf_50 + state->if_50) - \
11 * (state->rf_80 + state->if_80))) * \
(10 * (rf_gain + if_gain) - \
11 * (state->rf_80 + state->if_80));
if (signal_strength < 0)
signal_strength = 0;
else if (signal_strength > 0xffff)
signal_strength = 0xffff;
state->signal_strength = signal_strength;
} else {
state->signal_strength = 0;
switch ((buf[1] >> 2) & 3) {
case 0:
c->bandwidth_hz = 6000000;
break;
case 1:
c->bandwidth_hz = 7000000;
break;
case 2:
c->bandwidth_hz = 8000000;
break;
}
error:
return ret;
}
static int af9013_update_statistics(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
if (time_before(jiffies, state->next_statistics_check))
return 0;
/* set minimum statistic update interval */
state->next_statistics_check = jiffies + msecs_to_jiffies(1200);
ret = af9013_update_signal_strength(fe);
if (ret)
goto error;
ret = af9013_update_snr(fe);
if (ret)
goto error;
ret = af9013_update_ber_unc(fe);
if (ret)
goto error;
error:
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *fesettings)
{
fesettings->min_delay_ms = 800;
fesettings->step_size = 0;
fesettings->max_drift = 0;
return 0;
}
static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct af9013_state *state = fe->demodulator_priv;
int ret = 0;
int ret;
u8 tmp;
*status = 0;
/*
* Return status from the cache if it is younger than 2000ms with the
* exception of last tune is done during 4000ms.
*/
if (time_is_after_jiffies(
state->read_status_jiffies + msecs_to_jiffies(2000)) &&
time_is_before_jiffies(
state->set_frontend_jiffies + msecs_to_jiffies(4000))
) {
*status = state->fe_status;
return 0;
} else {
*status = 0;
}
/* MPEG2 lock */
ret = af9013_read_reg_bits(state, 0xd507, 6, 1, &tmp);
ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);
if (ret)
goto error;
goto err;
if (tmp)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
FE_HAS_SYNC | FE_HAS_LOCK;
if (!*status) {
/* TPS lock */
ret = af9013_read_reg_bits(state, 0xd330, 3, 1, &tmp);
ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);
if (ret)
goto error;
goto err;
if (tmp)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
FE_HAS_VITERBI;
}
if (!*status) {
/* CFO lock */
ret = af9013_read_reg_bits(state, 0xd333, 7, 1, &tmp);
if (ret)
goto error;
if (tmp)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
}
if (!*status) {
/* SFOE lock */
ret = af9013_read_reg_bits(state, 0xd334, 6, 1, &tmp);
if (ret)
goto error;
if (tmp)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
}
if (!*status) {
/* AGC lock */
ret = af9013_read_reg_bits(state, 0xd1a0, 6, 1, &tmp);
if (ret)
goto error;
if (tmp)
*status |= FE_HAS_SIGNAL;
}
ret = af9013_update_statistics(fe);
state->fe_status = *status;
state->read_status_jiffies = jiffies;
error:
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
ret = af9013_update_statistics(fe);
*ber = state->ber;
return ret;
*snr = state->snr;
return 0;
}
static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
ret = af9013_update_statistics(fe);
*strength = state->signal_strength;
return ret;
return 0;
}
static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
ret = af9013_update_statistics(fe);
*snr = state->snr;
return ret;
*ber = state->ber;
return 0;
}
static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
ret = af9013_update_statistics(fe);
*ucblocks = state->ucblocks;
return ret;
}
static int af9013_sleep(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
deb_info("%s\n", __func__);
ret = af9013_lock_led(state, 0);
if (ret)
goto error;
ret = af9013_power_ctrl(state, 0);
error:
return ret;
return 0;
}
static int af9013_init(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret, i, len;
u8 tmp0, tmp1;
struct regdesc *init;
deb_info("%s\n", __func__);
u8 buf[3], tmp;
u32 adc_cw;
const struct af9013_reg_bit *init;
/* reset OFDM */
ret = af9013_reset(state, 0);
if (ret)
goto error;
dbg("%s", __func__);
/* power on */
ret = af9013_power_ctrl(state, 1);
if (ret)
goto error;
goto err;
/* enable ADC */
ret = af9013_write_reg(state, 0xd73a, 0xa4);
ret = af9013_wr_reg(state, 0xd73a, 0xa4);
if (ret)
goto error;
goto err;
/* write API version to firmware */
for (i = 0; i < sizeof(state->config.api_version); i++) {
ret = af9013_write_reg(state, 0x9bf2 + i,
state->config.api_version[i]);
if (ret)
goto error;
}
ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4);
if (ret)
goto err;
/* program ADC control */
ret = af9013_set_adc_ctrl(state);
switch (state->config.clock) {
case 28800000: /* 28.800 MHz */
tmp = 0;
break;
case 20480000: /* 20.480 MHz */
tmp = 1;
break;
case 28000000: /* 28.000 MHz */
tmp = 2;
break;
case 25000000: /* 25.000 MHz */
tmp = 3;
break;
default:
err("invalid clock");
return -EINVAL;
}
adc_cw = af913_div(state->config.clock, 1000000ul, 19);
buf[0] = (adc_cw >> 0) & 0xff;
buf[1] = (adc_cw >> 8) & 0xff;
buf[2] = (adc_cw >> 16) & 0xff;
ret = af9013_wr_regs(state, 0xd180, buf, 3);
if (ret)
goto err;
ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);
if (ret)
goto error;
goto err;
/* set I2C master clock */
ret = af9013_write_reg(state, 0xd416, 0x14);
ret = af9013_wr_reg(state, 0xd416, 0x14);
if (ret)
goto error;
goto err;
/* set 16 embx */
ret = af9013_write_reg_bits(state, 0xd700, 1, 1, 1);
ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);
if (ret)
goto error;
goto err;
/* set no trigger */
ret = af9013_write_reg_bits(state, 0xd700, 2, 1, 0);
ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);
if (ret)
goto error;
goto err;
/* set read-update bit for constellation */
ret = af9013_write_reg_bits(state, 0xd371, 1, 1, 1);
ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);
if (ret)
goto error;
goto err;
/* enable FEC monitor */
ret = af9013_write_reg_bits(state, 0xd392, 1, 1, 1);
/* settings for mp2if */
if (state->config.ts_mode == AF9013_TS_USB) {
/* AF9015 split PSB to 1.5k + 0.5k */
ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);
if (ret)
goto err;
} else {
/* AF9013 change the output bit to data7 */
ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);
if (ret)
goto err;
/* AF9013 set mpeg to full speed */
ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);
if (ret)
goto err;
}
ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);
if (ret)
goto error;
goto err;
/* load OFSM settings */
deb_info("%s: load ofsm settings\n", __func__);
dbg("%s: load ofsm settings", __func__);
len = ARRAY_SIZE(ofsm_init);
init = ofsm_init;
for (i = 0; i < len; i++) {
ret = af9013_write_reg_bits(state, init[i].addr, init[i].pos,
ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
init[i].len, init[i].val);
if (ret)
goto error;
goto err;
}
/* load tuner specific settings */
deb_info("%s: load tuner specific settings\n", __func__);
dbg("%s: load tuner specific settings", __func__);
switch (state->config.tuner) {
case AF9013_TUNER_MXL5003D:
len = ARRAY_SIZE(tuner_init_mxl5003d);
......@@ -1237,65 +1199,133 @@ static int af9013_init(struct dvb_frontend *fe)
}
for (i = 0; i < len; i++) {
ret = af9013_write_reg_bits(state, init[i].addr, init[i].pos,
ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
init[i].len, init[i].val);
if (ret)
goto error;
goto err;
}
/* set TS mode */
deb_info("%s: setting ts mode\n", __func__);
tmp0 = 0; /* parallel mode */
tmp1 = 0; /* serial mode */
switch (state->config.output_mode) {
case AF9013_OUTPUT_MODE_PARALLEL:
tmp0 = 1;
break;
case AF9013_OUTPUT_MODE_SERIAL:
tmp1 = 1;
break;
case AF9013_OUTPUT_MODE_USB:
/* usb mode for AF9015 */
default:
break;
}
ret = af9013_write_reg_bits(state, 0xd500, 1, 1, tmp0); /* parallel */
/* TS mode */
ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode);
if (ret)
goto error;
ret = af9013_write_reg_bits(state, 0xd500, 2, 1, tmp1); /* serial */
if (ret)
goto error;
goto err;
/* enable lock led */
ret = af9013_lock_led(state, 1);
ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);
if (ret)
goto error;
goto err;
/* read values needed for signal strength calculation */
ret = af9013_read_reg_bits(state, 0x9bee, 0, 1,
&state->signal_strength_en);
if (ret)
goto error;
/* check if we support signal strength */
if (!state->signal_strength_en) {
ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,
&state->signal_strength_en);
if (ret)
goto err;
}
if (state->signal_strength_en) {
ret = af9013_read_reg(state, 0x9bbd, &state->rf_50);
/* read values needed for signal strength calculation */
if (state->signal_strength_en && !state->rf_50) {
ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);
if (ret)
goto error;
ret = af9013_read_reg(state, 0x9bd0, &state->rf_80);
goto err;
ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);
if (ret)
goto error;
ret = af9013_read_reg(state, 0x9be2, &state->if_50);
goto err;
ret = af9013_rd_reg(state, 0x9be2, &state->if_50);
if (ret)
goto error;
ret = af9013_read_reg(state, 0x9be4, &state->if_80);
goto err;
ret = af9013_rd_reg(state, 0x9be4, &state->if_80);
if (ret)
goto error;
goto err;
}
error:
/* SNR */
ret = af9013_wr_reg(state, 0xd2e2, 1);
if (ret)
goto err;
/* BER / UCB */
buf[0] = (10000 >> 0) & 0xff;
buf[1] = (10000 >> 8) & 0xff;
ret = af9013_wr_regs(state, 0xd385, buf, 2);
if (ret)
goto err;
/* enable FEC monitor */
ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);
if (ret)
goto err;
state->first_tune = true;
schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_sleep(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
int ret;
dbg("%s", __func__);
/* stop statistics polling */
cancel_delayed_work_sync(&state->statistics_work);
/* disable lock led */
ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);
if (ret)
goto err;
/* power off */
ret = af9013_power_ctrl(state, 0);
if (ret)
goto err;
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
int ret;
struct af9013_state *state = fe->demodulator_priv;
dbg("%s: enable=%d", __func__, enable);
/* gate already open or close */
if (state->i2c_gate_state == enable)
return 0;
if (state->config.ts_mode == AF9013_TS_USB)
ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);
else
ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);
if (ret)
goto err;
state->i2c_gate_state = enable;
return ret;
err:
dbg("%s: failed=%d", __func__, ret);
return ret;
}
static void af9013_release(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
kfree(state);
}
static struct dvb_frontend_ops af9013_ops;
static int af9013_download_firmware(struct af9013_state *state)
......@@ -1309,11 +1339,11 @@ static int af9013_download_firmware(struct af9013_state *state)
msleep(100);
/* check whether firmware is already running */
ret = af9013_read_reg(state, 0x98be, &val);
ret = af9013_rd_reg(state, 0x98be, &val);
if (ret)
goto error;
goto err;
else
deb_info("%s: firmware status:%02x\n", __func__, val);
dbg("%s: firmware status=%02x", __func__, val);
if (val == 0x0c) /* fw is running, no need for download */
goto exit;
......@@ -1328,7 +1358,7 @@ static int af9013_download_firmware(struct af9013_state *state)
"Please see linux/Documentation/dvb/ for more details" \
" on firmware-problems. (%d)",
fw_file, ret);
goto error;
goto err;
}
info("downloading firmware from file '%s'", fw_file);
......@@ -1346,7 +1376,7 @@ static int af9013_download_firmware(struct af9013_state *state)
ret = af9013_write_ofsm_regs(state, 0x50fc,
fw_params, sizeof(fw_params));
if (ret)
goto error_release;
goto err_release;
#define FW_ADDR 0x5100 /* firmware start address */
#define LEN_MAX 16 /* max packet size */
......@@ -1360,24 +1390,24 @@ static int af9013_download_firmware(struct af9013_state *state)
(u8 *) &fw->data[fw->size - remaining], len);
if (ret) {
err("firmware download failed:%d", ret);
goto error_release;
goto err_release;
}
}
/* request boot firmware */
ret = af9013_write_reg(state, 0xe205, 1);
ret = af9013_wr_reg(state, 0xe205, 1);
if (ret)
goto error_release;
goto err_release;
for (i = 0; i < 15; i++) {
msleep(100);
/* check firmware status */
ret = af9013_read_reg(state, 0x98be, &val);
ret = af9013_rd_reg(state, 0x98be, &val);
if (ret)
goto error_release;
goto err_release;
deb_info("%s: firmware status:%02x\n", __func__, val);
dbg("%s: firmware status=%02x", __func__, val);
if (val == 0x0c || val == 0x04) /* success or fail */
break;
......@@ -1385,43 +1415,21 @@ static int af9013_download_firmware(struct af9013_state *state)
if (val == 0x04) {
err("firmware did not run");
ret = -1;
ret = -ENODEV;
} else if (val != 0x0c) {
err("firmware boot timeout");
ret = -1;
ret = -ENODEV;
}
error_release:
err_release:
release_firmware(fw);
error:
err:
exit:
if (!ret)
info("found a '%s' in warm state.", af9013_ops.info.name);
return ret;
}
static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
int ret;
struct af9013_state *state = fe->demodulator_priv;
deb_info("%s: enable:%d\n", __func__, enable);
if (state->config.output_mode == AF9013_OUTPUT_MODE_USB)
ret = af9013_write_reg_bits(state, 0xd417, 3, 1, enable);
else
ret = af9013_write_reg_bits(state, 0xd607, 2, 1, enable);
return ret;
}
static void af9013_release(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
kfree(state);
}
static struct dvb_frontend_ops af9013_ops;
struct dvb_frontend *af9013_attach(const struct af9013_config *config,
struct i2c_adapter *i2c)
{
......@@ -1432,73 +1440,42 @@ struct dvb_frontend *af9013_attach(const struct af9013_config *config,
/* allocate memory for the internal state */
state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);
if (state == NULL)
goto error;
goto err;
/* setup the state */
state->i2c = i2c;
memcpy(&state->config, config, sizeof(struct af9013_config));
/* download firmware */
if (state->config.output_mode != AF9013_OUTPUT_MODE_USB) {
if (state->config.ts_mode != AF9013_TS_USB) {
ret = af9013_download_firmware(state);
if (ret)
goto error;
goto err;
}
/* firmware version */
for (i = 0; i < 4; i++) {
ret = af9013_read_reg(state, 0x5103 + i, &buf[i]);
if (ret)
goto error;
}
info("firmware version:%d.%d.%d.%d", buf[0], buf[1], buf[2], buf[3]);
/* chip version */
ret = af9013_read_reg_bits(state, 0xd733, 4, 4, &buf[2]);
ret = af9013_rd_regs(state, 0x5103, buf, 4);
if (ret)
goto error;
/* ROM version */
for (i = 0; i < 2; i++) {
ret = af9013_read_reg(state, 0x116b + i, &buf[i]);
if (ret)
goto error;
}
deb_info("%s: chip version:%d ROM version:%d.%d\n", __func__,
buf[2], buf[0], buf[1]);
goto err;
/* settings for mp2if */
if (state->config.output_mode == AF9013_OUTPUT_MODE_USB) {
/* AF9015 split PSB to 1.5k + 0.5k */
ret = af9013_write_reg_bits(state, 0xd50b, 2, 1, 1);
} else {
/* AF9013 change the output bit to data7 */
ret = af9013_write_reg_bits(state, 0xd500, 3, 1, 1);
if (ret)
goto error;
/* AF9013 set mpeg to full speed */
ret = af9013_write_reg_bits(state, 0xd502, 4, 1, 1);
}
if (ret)
goto error;
ret = af9013_write_reg_bits(state, 0xd520, 4, 1, 1);
if (ret)
goto error;
info("firmware version %d.%d.%d.%d", buf[0], buf[1], buf[2], buf[3]);
/* set GPIOs */
for (i = 0; i < sizeof(state->config.gpio); i++) {
ret = af9013_set_gpio(state, i, state->config.gpio[i]);
if (ret)
goto error;
goto err;
}
/* create dvb_frontend */
memcpy(&state->frontend.ops, &af9013_ops,
memcpy(&state->fe.ops, &af9013_ops,
sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
state->fe.demodulator_priv = state;
INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
return &state->frontend;
error:
return &state->fe;
err:
kfree(state);
return NULL;
}
......@@ -1506,17 +1483,22 @@ EXPORT_SYMBOL(af9013_attach);
static struct dvb_frontend_ops af9013_ops = {
.info = {
.name = "Afatech AF9013 DVB-T",
.name = "Afatech AF9013",
.type = FE_OFDM,
.frequency_min = 174000000,
.frequency_max = 862000000,
.frequency_stepsize = 250000,
.frequency_tolerance = 0,
.caps =
FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
FE_CAN_QPSK | FE_CAN_QAM_16 |
FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
.caps = FE_CAN_FEC_1_2 |
FE_CAN_FEC_2_3 |
FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 |
FE_CAN_FEC_7_8 |
FE_CAN_FEC_AUTO |
FE_CAN_QPSK |
FE_CAN_QAM_16 |
FE_CAN_QAM_64 |
FE_CAN_QAM_AUTO |
FE_CAN_TRANSMISSION_MODE_AUTO |
FE_CAN_GUARD_INTERVAL_AUTO |
FE_CAN_HIERARCHY_AUTO |
......@@ -1525,24 +1507,22 @@ static struct dvb_frontend_ops af9013_ops = {
},
.release = af9013_release,
.init = af9013_init,
.sleep = af9013_sleep,
.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
.get_tune_settings = af9013_get_tune_settings,
.set_frontend = af9013_set_frontend,
.get_frontend = af9013_get_frontend,
.get_tune_settings = af9013_get_tune_settings,
.read_status = af9013_read_status,
.read_ber = af9013_read_ber,
.read_signal_strength = af9013_read_signal_strength,
.read_snr = af9013_read_snr,
.read_signal_strength = af9013_read_signal_strength,
.read_ber = af9013_read_ber,
.read_ucblocks = af9013_read_ucblocks,
};
module_param_named(debug, af9013_debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
};
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
......
drivers/media/dvb/frontends/af9013.h
View file @ f571e004
......@@ -2,6 +2,7 @@
* Afatech AF9013 demodulator driver
*
* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* Thanks to Afatech who kindly provided information.
*
......@@ -21,33 +22,11 @@
*
*/
#ifndef _AF9013_H_
#define _AF9013_H_
#ifndef AF9013_H
#define AF9013_H
#include <linux/dvb/frontend.h>
enum af9013_ts_mode {
AF9013_OUTPUT_MODE_PARALLEL,
AF9013_OUTPUT_MODE_SERIAL,
AF9013_OUTPUT_MODE_USB, /* only for AF9015 */
};
enum af9013_tuner {
AF9013_TUNER_MXL5003D = 3, /* MaxLinear */
AF9013_TUNER_MXL5005D = 13, /* MaxLinear */
AF9013_TUNER_MXL5005R = 30, /* MaxLinear */
AF9013_TUNER_ENV77H11D5 = 129, /* Panasonic */
AF9013_TUNER_MT2060 = 130, /* Microtune */
AF9013_TUNER_MC44S803 = 133, /* Freescale */
AF9013_TUNER_QT1010 = 134, /* Quantek */
AF9013_TUNER_UNKNOWN = 140, /* for can tuners ? */
AF9013_TUNER_MT2060_2 = 147, /* Microtune */
AF9013_TUNER_TDA18271 = 156, /* NXP */
AF9013_TUNER_QT1010A = 162, /* Quantek */
AF9013_TUNER_MXL5007T = 177, /* MaxLinear */
AF9013_TUNER_TDA18218 = 179, /* NXP */
};
/* AF9013/5 GPIOs (mostly guessed)
demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
demod#1-gpio#1 - xtal setting (?)
......@@ -55,44 +34,74 @@ enum af9013_tuner {
demod#2-gpio#0 - tuner#2
demod#2-gpio#1 - xtal setting (?)
*/
struct af9013_config {
/*
* I2C address
*/
u8 i2c_addr;
/*
* clock
* 20480000, 25000000, 28000000, 28800000
*/
u32 clock;
/*
* tuner
*/
#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
#define AF9013_TUNER_ENV77H11D5 129 /* Panasonic */
#define AF9013_TUNER_MT2060 130 /* Microtune */
#define AF9013_TUNER_MC44S803 133 /* Freescale */
#define AF9013_TUNER_QT1010 134 /* Quantek */
#define AF9013_TUNER_UNKNOWN 140 /* for can tuners ? */
#define AF9013_TUNER_MT2060_2 147 /* Microtune */
#define AF9013_TUNER_TDA18271 156 /* NXP */
#define AF9013_TUNER_QT1010A 162 /* Quantek */
#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
#define AF9013_TUNER_TDA18218 179 /* NXP */
u8 tuner;
/*
* IF frequency
*/
u32 if_frequency;
/*
* TS settings
*/
#define AF9013_TS_USB 0
#define AF9013_TS_PARALLEL 1
#define AF9013_TS_SERIAL 2
u8 ts_mode:2;
/*
* input spectrum inversion
*/
bool spec_inv;
/*
* firmware API version
*/
u8 api_version[4];
/*
* GPIOs
*/
#define AF9013_GPIO_ON (1 << 0)
#define AF9013_GPIO_EN (1 << 1)
#define AF9013_GPIO_O (1 << 2)
#define AF9013_GPIO_I (1 << 3)
#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
struct af9013_config {
/* demodulator's I2C address */
u8 demod_address;
/* frequencies in kHz */
u32 adc_clock;
/* tuner ID */
u8 tuner;
/* tuner IF */
u16 tuner_if;
/* TS data output mode */
u8 output_mode:2;
/* RF spectrum inversion */
u8 rf_spec_inv:1;
/* API version */
u8 api_version[4];
/* GPIOs */
u8 gpio[4];
};
#if defined(CONFIG_DVB_AF9013) || \
(defined(CONFIG_DVB_AF9013_MODULE) && defined(MODULE))
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
......@@ -106,4 +115,4 @@ const struct af9013_config *config, struct i2c_adapter *i2c)
}
#endif /* CONFIG_DVB_AF9013 */
#endif /* _AF9013_H_ */
#endif /* AF9013_H */
drivers/media/dvb/frontends/af9013_priv.h
View file @ f571e004
......@@ -2,6 +2,7 @@
* Afatech AF9013 demodulator driver
*
* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* Thanks to Afatech who kindly provided information.
*
......@@ -21,24 +22,19 @@
*
*/
#ifndef _AF9013_PRIV_
#define _AF9013_PRIV_
#ifndef AF9013_PRIV_H
#define AF9013_PRIV_H
#define LOG_PREFIX "af9013"
extern int af9013_debug;
#define dprintk(var, level, args...) \
do { if ((var & level)) printk(args); } while (0)
#include "dvb_frontend.h"
#include "af9013.h"
#include <linux/firmware.h>
#define debug_dump(b, l, func) {\
int loop_; \
for (loop_ = 0; loop_ < l; loop_++) \
func("%02x ", b[loop_]); \
func("\n");\
}
#define deb_info(args...) dprintk(af9013_debug, 0x01, args)
#define LOG_PREFIX "af9013"
#undef dbg
#define dbg(f, arg...) \
if (af9013_debug) \
printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg)
#undef err
#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg)
#undef info
......@@ -48,70 +44,71 @@ extern int af9013_debug;
#define AF9013_DEFAULT_FIRMWARE "dvb-fe-af9013.fw"
struct regdesc {
struct af9013_reg_bit {
u16 addr;
u8 pos:4;
u8 len:4;
u8 val;
};
struct snr_table {
struct af9013_snr {
u32 val;
u8 snr;
};
struct coeff {
u32 adc_clock;
fe_bandwidth_t bw;
struct af9013_coeff {
u32 clock;
u32 bandwidth_hz;
u8 val[24];
};
/* pre-calculated coeff lookup table */
static struct coeff coeff_table[] = {
static const struct af9013_coeff coeff_lut[] = {
/* 28.800 MHz */
{ 28800, BANDWIDTH_8_MHZ, { 0x02, 0x8a, 0x28, 0xa3, 0x05, 0x14,
{ 28800000, 8000000, { 0x02, 0x8a, 0x28, 0xa3, 0x05, 0x14,
0x51, 0x11, 0x00, 0xa2, 0x8f, 0x3d, 0x00, 0xa2, 0x8a,
0x29, 0x00, 0xa2, 0x85, 0x14, 0x01, 0x45, 0x14, 0x14 } },
{ 28800, BANDWIDTH_7_MHZ, { 0x02, 0x38, 0xe3, 0x8e, 0x04, 0x71,
{ 28800000, 7000000, { 0x02, 0x38, 0xe3, 0x8e, 0x04, 0x71,
0xc7, 0x07, 0x00, 0x8e, 0x3d, 0x55, 0x00, 0x8e, 0x38,
0xe4, 0x00, 0x8e, 0x34, 0x72, 0x01, 0x1c, 0x71, 0x32 } },
{ 28800, BANDWIDTH_6_MHZ, { 0x01, 0xe7, 0x9e, 0x7a, 0x03, 0xcf,
{ 28800000, 6000000, { 0x01, 0xe7, 0x9e, 0x7a, 0x03, 0xcf,
0x3c, 0x3d, 0x00, 0x79, 0xeb, 0x6e, 0x00, 0x79, 0xe7,
0x9e, 0x00, 0x79, 0xe3, 0xcf, 0x00, 0xf3, 0xcf, 0x0f } },
/* 20.480 MHz */
{ 20480, BANDWIDTH_8_MHZ, { 0x03, 0x92, 0x49, 0x26, 0x07, 0x24,
{ 20480000, 8000000, { 0x03, 0x92, 0x49, 0x26, 0x07, 0x24,
0x92, 0x13, 0x00, 0xe4, 0x99, 0x6e, 0x00, 0xe4, 0x92,
0x49, 0x00, 0xe4, 0x8b, 0x25, 0x01, 0xc9, 0x24, 0x25 } },
{ 20480, BANDWIDTH_7_MHZ, { 0x03, 0x20, 0x00, 0x01, 0x06, 0x40,
{ 20480000, 7000000, { 0x03, 0x20, 0x00, 0x01, 0x06, 0x40,
0x00, 0x00, 0x00, 0xc8, 0x06, 0x40, 0x00, 0xc8, 0x00,
0x00, 0x00, 0xc7, 0xf9, 0xc0, 0x01, 0x90, 0x00, 0x00 } },
{ 20480, BANDWIDTH_6_MHZ, { 0x02, 0xad, 0xb6, 0xdc, 0x05, 0x5b,
{ 20480000, 6000000, { 0x02, 0xad, 0xb6, 0xdc, 0x05, 0x5b,
0x6d, 0x2e, 0x00, 0xab, 0x73, 0x13, 0x00, 0xab, 0x6d,
0xb7, 0x00, 0xab, 0x68, 0x5c, 0x01, 0x56, 0xdb, 0x1c } },
/* 28.000 MHz */
{ 28000, BANDWIDTH_8_MHZ, { 0x02, 0x9c, 0xbc, 0x15, 0x05, 0x39,
{ 28000000, 8000000, { 0x02, 0x9c, 0xbc, 0x15, 0x05, 0x39,
0x78, 0x0a, 0x00, 0xa7, 0x34, 0x3f, 0x00, 0xa7, 0x2f,
0x05, 0x00, 0xa7, 0x29, 0xcc, 0x01, 0x4e, 0x5e, 0x03 } },
{ 28000, BANDWIDTH_7_MHZ, { 0x02, 0x49, 0x24, 0x92, 0x04, 0x92,
{ 28000000, 7000000, { 0x02, 0x49, 0x24, 0x92, 0x04, 0x92,
0x49, 0x09, 0x00, 0x92, 0x4d, 0xb7, 0x00, 0x92, 0x49,
0x25, 0x00, 0x92, 0x44, 0x92, 0x01, 0x24, 0x92, 0x12 } },
{ 28000, BANDWIDTH_6_MHZ, { 0x01, 0xf5, 0x8d, 0x10, 0x03, 0xeb,
{ 28000000, 6000000, { 0x01, 0xf5, 0x8d, 0x10, 0x03, 0xeb,
0x1a, 0x08, 0x00, 0x7d, 0x67, 0x2f, 0x00, 0x7d, 0x63,
0x44, 0x00, 0x7d, 0x5f, 0x59, 0x00, 0xfa, 0xc6, 0x22 } },
/* 25.000 MHz */
{ 25000, BANDWIDTH_8_MHZ, { 0x02, 0xec, 0xfb, 0x9d, 0x05, 0xd9,
{ 25000000, 8000000, { 0x02, 0xec, 0xfb, 0x9d, 0x05, 0xd9,
0xf7, 0x0e, 0x00, 0xbb, 0x44, 0xc1, 0x00, 0xbb, 0x3e,
0xe7, 0x00, 0xbb, 0x39, 0x0d, 0x01, 0x76, 0x7d, 0x34 } },
{ 25000, BANDWIDTH_7_MHZ, { 0x02, 0x8f, 0x5c, 0x29, 0x05, 0x1e,
{ 25000000, 7000000, { 0x02, 0x8f, 0x5c, 0x29, 0x05, 0x1e,
0xb8, 0x14, 0x00, 0xa3, 0xdc, 0x29, 0x00, 0xa3, 0xd7,
0x0a, 0x00, 0xa3, 0xd1, 0xec, 0x01, 0x47, 0xae, 0x05 } },
{ 25000, BANDWIDTH_6_MHZ, { 0x02, 0x31, 0xbc, 0xb5, 0x04, 0x63,
{ 25000000, 6000000, { 0x02, 0x31, 0xbc, 0xb5, 0x04, 0x63,
0x79, 0x1b, 0x00, 0x8c, 0x73, 0x91, 0x00, 0x8c, 0x6f,
0x2d, 0x00, 0x8c, 0x6a, 0xca, 0x01, 0x18, 0xde, 0x17 } },
};
/* QPSK SNR lookup table */
static struct snr_table qpsk_snr_table[] = {
static const struct af9013_snr qpsk_snr_lut[] = {
{ 0x000000, 0 },
{ 0x0b4771, 0 },
{ 0x0c1aed, 1 },
{ 0x0d0d27, 2 },
......@@ -131,7 +128,8 @@ static struct snr_table qpsk_snr_table[] = {
};
/* QAM16 SNR lookup table */
static struct snr_table qam16_snr_table[] = {
static const struct af9013_snr qam16_snr_lut[] = {
{ 0x000000, 0 },
{ 0x05eb62, 5 },
{ 0x05fecf, 6 },
{ 0x060b80, 7 },
......@@ -151,7 +149,8 @@ static struct snr_table qam16_snr_table[] = {
};
/* QAM64 SNR lookup table */
static struct snr_table qam64_snr_table[] = {
static const struct af9013_snr qam64_snr_lut[] = {
{ 0x000000, 0 },
{ 0x03109b, 12 },
{ 0x0310d4, 13 },
{ 0x031920, 14 },
......@@ -170,7 +169,7 @@ static struct snr_table qam64_snr_table[] = {
{ 0xffffff, 27 },
};
static struct regdesc ofsm_init[] = {
static const struct af9013_reg_bit ofsm_init[] = {
{ 0xd73a, 0, 8, 0xa1 },
{ 0xd73b, 0, 8, 0x1f },
{ 0xd73c, 4, 4, 0x0a },
......@@ -252,7 +251,7 @@ static struct regdesc ofsm_init[] = {
/* Panasonic ENV77H11D5 tuner init
AF9013_TUNER_ENV77H11D5 = 129 */
static struct regdesc tuner_init_env77h11d5[] = {
static const struct af9013_reg_bit tuner_init_env77h11d5[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x03 },
{ 0x9bbe, 0, 8, 0x01 },
......@@ -318,7 +317,7 @@ static struct regdesc tuner_init_env77h11d5[] = {
/* Microtune MT2060 tuner init
AF9013_TUNER_MT2060 = 130 */
static struct regdesc tuner_init_mt2060[] = {
static const struct af9013_reg_bit tuner_init_mt2060[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x07 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -395,7 +394,7 @@ static struct regdesc tuner_init_mt2060[] = {
/* Microtune MT2060 tuner init
AF9013_TUNER_MT2060_2 = 147 */
static struct regdesc tuner_init_mt2060_2[] = {
static const struct af9013_reg_bit tuner_init_mt2060_2[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x06 },
{ 0x9bbe, 0, 8, 0x01 },
......@@ -462,7 +461,7 @@ static struct regdesc tuner_init_mt2060_2[] = {
/* MaxLinear MXL5003 tuner init
AF9013_TUNER_MXL5003D = 3 */
static struct regdesc tuner_init_mxl5003d[] = {
static const struct af9013_reg_bit tuner_init_mxl5003d[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x09 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -534,7 +533,7 @@ static struct regdesc tuner_init_mxl5003d[] = {
AF9013_TUNER_MXL5005D = 13
AF9013_TUNER_MXL5005R = 30
AF9013_TUNER_MXL5007T = 177 */
static struct regdesc tuner_init_mxl5005[] = {
static const struct af9013_reg_bit tuner_init_mxl5005[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x07 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -613,7 +612,7 @@ static struct regdesc tuner_init_mxl5005[] = {
/* Quantek QT1010 tuner init
AF9013_TUNER_QT1010 = 134
AF9013_TUNER_QT1010A = 162 */
static struct regdesc tuner_init_qt1010[] = {
static const struct af9013_reg_bit tuner_init_qt1010[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x09 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -690,7 +689,7 @@ static struct regdesc tuner_init_qt1010[] = {
/* Freescale MC44S803 tuner init
AF9013_TUNER_MC44S803 = 133 */
static struct regdesc tuner_init_mc44s803[] = {
static const struct af9013_reg_bit tuner_init_mc44s803[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x06 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -772,7 +771,7 @@ static struct regdesc tuner_init_mc44s803[] = {
/* unknown, probably for tin can tuner, tuner init
AF9013_TUNER_UNKNOWN = 140 */
static struct regdesc tuner_init_unknown[] = {
static const struct af9013_reg_bit tuner_init_unknown[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x02 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -845,7 +844,7 @@ static struct regdesc tuner_init_unknown[] = {
/* NXP TDA18271 & TDA18218 tuner init
AF9013_TUNER_TDA18271 = 156
AF9013_TUNER_TDA18218 = 179 */
static struct regdesc tuner_init_tda18271[] = {
static const struct af9013_reg_bit tuner_init_tda18271[] = {
{ 0x9bd5, 0, 8, 0x01 },
{ 0x9bd6, 0, 8, 0x04 },
{ 0xd1a0, 1, 1, 0x01 },
......@@ -920,4 +919,4 @@ static struct regdesc tuner_init_tda18271[] = {
{ 0x9bee, 0, 1, 0x01 },
};
#endif /* _AF9013_PRIV_ */
#endif /* AF9013_PRIV_H */
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