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coral / linux-mtk / cd07ecfbed82ac971ded1167b6e91052a42674d5 / . / drivers / media / dvb-frontends / cxd2841er.c
blob: c98093ed3dd76653fcc0f247ae534157c0e0109e [file] [log] [blame]
/*
* cxd2841er.c
*
* Sony digital demodulator driver for
* CXD2841ER - DVB-S/S2/T/T2/C/C2
* CXD2854ER - DVB-S/S2/T/T2/C/C2, ISDB-T/S
*
* Copyright 2012 Sony Corporation
* Copyright (C) 2014 NetUP Inc.
* Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/math64.h>
#include <linux/log2.h>
#include <linux/dynamic_debug.h>
#include <linux/kernel.h>
#include <media/dvb_math.h>
#include <media/dvb_frontend.h>
#include "cxd2841er.h"
#include "cxd2841er_priv.h"
#define MAX_WRITE_REGSIZE 16
#define LOG2_E_100X 144
#define INTLOG10X100(x) ((u32) (((u64) intlog10(x) * 100) >> 24))
/* DVB-C constellation */
enum sony_dvbc_constellation_t {
SONY_DVBC_CONSTELLATION_16QAM,
SONY_DVBC_CONSTELLATION_32QAM,
SONY_DVBC_CONSTELLATION_64QAM,
SONY_DVBC_CONSTELLATION_128QAM,
SONY_DVBC_CONSTELLATION_256QAM
};
enum cxd2841er_state {
STATE_SHUTDOWN = 0,
STATE_SLEEP_S,
STATE_ACTIVE_S,
STATE_SLEEP_TC,
STATE_ACTIVE_TC
};
struct cxd2841er_priv {
struct dvb_frontend frontend;
struct i2c_adapter *i2c;
u8 i2c_addr_slvx;
u8 i2c_addr_slvt;
const struct cxd2841er_config *config;
enum cxd2841er_state state;
u8 system;
enum cxd2841er_xtal xtal;
enum fe_caps caps;
u32 flags;
};
static const struct cxd2841er_cnr_data s_cn_data[] = {
{ 0x033e, 0 }, { 0x0339, 100 }, { 0x0333, 200 },
{ 0x032e, 300 }, { 0x0329, 400 }, { 0x0324, 500 },
{ 0x031e, 600 }, { 0x0319, 700 }, { 0x0314, 800 },
{ 0x030f, 900 }, { 0x030a, 1000 }, { 0x02ff, 1100 },
{ 0x02f4, 1200 }, { 0x02e9, 1300 }, { 0x02de, 1400 },
{ 0x02d4, 1500 }, { 0x02c9, 1600 }, { 0x02bf, 1700 },
{ 0x02b5, 1800 }, { 0x02ab, 1900 }, { 0x02a1, 2000 },
{ 0x029b, 2100 }, { 0x0295, 2200 }, { 0x0290, 2300 },
{ 0x028a, 2400 }, { 0x0284, 2500 }, { 0x027f, 2600 },
{ 0x0279, 2700 }, { 0x0274, 2800 }, { 0x026e, 2900 },
{ 0x0269, 3000 }, { 0x0262, 3100 }, { 0x025c, 3200 },
{ 0x0255, 3300 }, { 0x024f, 3400 }, { 0x0249, 3500 },
{ 0x0242, 3600 }, { 0x023c, 3700 }, { 0x0236, 3800 },
{ 0x0230, 3900 }, { 0x022a, 4000 }, { 0x0223, 4100 },
{ 0x021c, 4200 }, { 0x0215, 4300 }, { 0x020e, 4400 },
{ 0x0207, 4500 }, { 0x0201, 4600 }, { 0x01fa, 4700 },
{ 0x01f4, 4800 }, { 0x01ed, 4900 }, { 0x01e7, 5000 },
{ 0x01e0, 5100 }, { 0x01d9, 5200 }, { 0x01d2, 5300 },
{ 0x01cb, 5400 }, { 0x01c4, 5500 }, { 0x01be, 5600 },
{ 0x01b7, 5700 }, { 0x01b1, 5800 }, { 0x01aa, 5900 },
{ 0x01a4, 6000 }, { 0x019d, 6100 }, { 0x0196, 6200 },
{ 0x018f, 6300 }, { 0x0189, 6400 }, { 0x0182, 6500 },
{ 0x017c, 6600 }, { 0x0175, 6700 }, { 0x016f, 6800 },
{ 0x0169, 6900 }, { 0x0163, 7000 }, { 0x015c, 7100 },
{ 0x0156, 7200 }, { 0x0150, 7300 }, { 0x014a, 7400 },
{ 0x0144, 7500 }, { 0x013e, 7600 }, { 0x0138, 7700 },
{ 0x0132, 7800 }, { 0x012d, 7900 }, { 0x0127, 8000 },
{ 0x0121, 8100 }, { 0x011c, 8200 }, { 0x0116, 8300 },
{ 0x0111, 8400 }, { 0x010b, 8500 }, { 0x0106, 8600 },
{ 0x0101, 8700 }, { 0x00fc, 8800 }, { 0x00f7, 8900 },
{ 0x00f2, 9000 }, { 0x00ee, 9100 }, { 0x00ea, 9200 },
{ 0x00e6, 9300 }, { 0x00e2, 9400 }, { 0x00de, 9500 },
{ 0x00da, 9600 }, { 0x00d7, 9700 }, { 0x00d3, 9800 },
{ 0x00d0, 9900 }, { 0x00cc, 10000 }, { 0x00c7, 10100 },
{ 0x00c3, 10200 }, { 0x00bf, 10300 }, { 0x00ba, 10400 },
{ 0x00b6, 10500 }, { 0x00b2, 10600 }, { 0x00ae, 10700 },
{ 0x00aa, 10800 }, { 0x00a7, 10900 }, { 0x00a3, 11000 },
{ 0x009f, 11100 }, { 0x009c, 11200 }, { 0x0098, 11300 },
{ 0x0094, 11400 }, { 0x0091, 11500 }, { 0x008e, 11600 },
{ 0x008a, 11700 }, { 0x0087, 11800 }, { 0x0084, 11900 },
{ 0x0081, 12000 }, { 0x007e, 12100 }, { 0x007b, 12200 },
{ 0x0079, 12300 }, { 0x0076, 12400 }, { 0x0073, 12500 },
{ 0x0071, 12600 }, { 0x006e, 12700 }, { 0x006c, 12800 },
{ 0x0069, 12900 }, { 0x0067, 13000 }, { 0x0065, 13100 },
{ 0x0062, 13200 }, { 0x0060, 13300 }, { 0x005e, 13400 },
{ 0x005c, 13500 }, { 0x005a, 13600 }, { 0x0058, 13700 },
{ 0x0056, 13800 }, { 0x0054, 13900 }, { 0x0052, 14000 },
{ 0x0050, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 },
{ 0x004b, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 },
{ 0x0046, 14700 }, { 0x0044, 14800 }, { 0x0043, 14900 },
{ 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 },
{ 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 },
{ 0x0037, 15700 }, { 0x0036, 15800 }, { 0x0034, 15900 },
{ 0x0033, 16000 }, { 0x0032, 16100 }, { 0x0031, 16200 },
{ 0x0030, 16300 }, { 0x002f, 16400 }, { 0x002e, 16500 },
{ 0x002d, 16600 }, { 0x002c, 16700 }, { 0x002b, 16800 },
{ 0x002a, 16900 }, { 0x0029, 17000 }, { 0x0028, 17100 },
{ 0x0027, 17200 }, { 0x0026, 17300 }, { 0x0025, 17400 },
{ 0x0024, 17500 }, { 0x0023, 17600 }, { 0x0022, 17800 },
{ 0x0021, 17900 }, { 0x0020, 18000 }, { 0x001f, 18200 },
{ 0x001e, 18300 }, { 0x001d, 18500 }, { 0x001c, 18700 },
{ 0x001b, 18900 }, { 0x001a, 19000 }, { 0x0019, 19200 },
{ 0x0018, 19300 }, { 0x0017, 19500 }, { 0x0016, 19700 },
{ 0x0015, 19900 }, { 0x0014, 20000 },
};
static const struct cxd2841er_cnr_data s2_cn_data[] = {
{ 0x05af, 0 }, { 0x0597, 100 }, { 0x057e, 200 },
{ 0x0567, 300 }, { 0x0550, 400 }, { 0x0539, 500 },
{ 0x0522, 600 }, { 0x050c, 700 }, { 0x04f6, 800 },
{ 0x04e1, 900 }, { 0x04cc, 1000 }, { 0x04b6, 1100 },
{ 0x04a1, 1200 }, { 0x048c, 1300 }, { 0x0477, 1400 },
{ 0x0463, 1500 }, { 0x044f, 1600 }, { 0x043c, 1700 },
{ 0x0428, 1800 }, { 0x0416, 1900 }, { 0x0403, 2000 },
{ 0x03ef, 2100 }, { 0x03dc, 2200 }, { 0x03c9, 2300 },
{ 0x03b6, 2400 }, { 0x03a4, 2500 }, { 0x0392, 2600 },
{ 0x0381, 2700 }, { 0x036f, 2800 }, { 0x035f, 2900 },
{ 0x034e, 3000 }, { 0x033d, 3100 }, { 0x032d, 3200 },
{ 0x031d, 3300 }, { 0x030d, 3400 }, { 0x02fd, 3500 },
{ 0x02ee, 3600 }, { 0x02df, 3700 }, { 0x02d0, 3800 },
{ 0x02c2, 3900 }, { 0x02b4, 4000 }, { 0x02a6, 4100 },
{ 0x0299, 4200 }, { 0x028c, 4300 }, { 0x027f, 4400 },
{ 0x0272, 4500 }, { 0x0265, 4600 }, { 0x0259, 4700 },
{ 0x024d, 4800 }, { 0x0241, 4900 }, { 0x0236, 5000 },
{ 0x022b, 5100 }, { 0x0220, 5200 }, { 0x0215, 5300 },
{ 0x020a, 5400 }, { 0x0200, 5500 }, { 0x01f6, 5600 },
{ 0x01ec, 5700 }, { 0x01e2, 5800 }, { 0x01d8, 5900 },
{ 0x01cf, 6000 }, { 0x01c6, 6100 }, { 0x01bc, 6200 },
{ 0x01b3, 6300 }, { 0x01aa, 6400 }, { 0x01a2, 6500 },
{ 0x0199, 6600 }, { 0x0191, 6700 }, { 0x0189, 6800 },
{ 0x0181, 6900 }, { 0x0179, 7000 }, { 0x0171, 7100 },
{ 0x0169, 7200 }, { 0x0161, 7300 }, { 0x015a, 7400 },
{ 0x0153, 7500 }, { 0x014b, 7600 }, { 0x0144, 7700 },
{ 0x013d, 7800 }, { 0x0137, 7900 }, { 0x0130, 8000 },
{ 0x012a, 8100 }, { 0x0124, 8200 }, { 0x011e, 8300 },
{ 0x0118, 8400 }, { 0x0112, 8500 }, { 0x010c, 8600 },
{ 0x0107, 8700 }, { 0x0101, 8800 }, { 0x00fc, 8900 },
{ 0x00f7, 9000 }, { 0x00f2, 9100 }, { 0x00ec, 9200 },
{ 0x00e7, 9300 }, { 0x00e2, 9400 }, { 0x00dd, 9500 },
{ 0x00d8, 9600 }, { 0x00d4, 9700 }, { 0x00cf, 9800 },
{ 0x00ca, 9900 }, { 0x00c6, 10000 }, { 0x00c2, 10100 },
{ 0x00be, 10200 }, { 0x00b9, 10300 }, { 0x00b5, 10400 },
{ 0x00b1, 10500 }, { 0x00ae, 10600 }, { 0x00aa, 10700 },
{ 0x00a6, 10800 }, { 0x00a3, 10900 }, { 0x009f, 11000 },
{ 0x009b, 11100 }, { 0x0098, 11200 }, { 0x0095, 11300 },
{ 0x0091, 11400 }, { 0x008e, 11500 }, { 0x008b, 11600 },
{ 0x0088, 11700 }, { 0x0085, 11800 }, { 0x0082, 11900 },
{ 0x007f, 12000 }, { 0x007c, 12100 }, { 0x007a, 12200 },
{ 0x0077, 12300 }, { 0x0074, 12400 }, { 0x0072, 12500 },
{ 0x006f, 12600 }, { 0x006d, 12700 }, { 0x006b, 12800 },
{ 0x0068, 12900 }, { 0x0066, 13000 }, { 0x0064, 13100 },
{ 0x0061, 13200 }, { 0x005f, 13300 }, { 0x005d, 13400 },
{ 0x005b, 13500 }, { 0x0059, 13600 }, { 0x0057, 13700 },
{ 0x0055, 13800 }, { 0x0053, 13900 }, { 0x0051, 14000 },
{ 0x004f, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 },
{ 0x004a, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 },
{ 0x0045, 14700 }, { 0x0044, 14800 }, { 0x0042, 14900 },
{ 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 },
{ 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 },
{ 0x0038, 15600 }, { 0x0037, 15700 }, { 0x0036, 15800 },
{ 0x0034, 15900 }, { 0x0033, 16000 }, { 0x0032, 16100 },
{ 0x0031, 16200 }, { 0x0030, 16300 }, { 0x002f, 16400 },
{ 0x002e, 16500 }, { 0x002d, 16600 }, { 0x002c, 16700 },
{ 0x002b, 16800 }, { 0x002a, 16900 }, { 0x0029, 17000 },
{ 0x0028, 17100 }, { 0x0027, 17200 }, { 0x0026, 17300 },
{ 0x0025, 17400 }, { 0x0024, 17500 }, { 0x0023, 17600 },
{ 0x0022, 17800 }, { 0x0021, 17900 }, { 0x0020, 18000 },
{ 0x001f, 18200 }, { 0x001e, 18300 }, { 0x001d, 18500 },
{ 0x001c, 18700 }, { 0x001b, 18900 }, { 0x001a, 19000 },
{ 0x0019, 19200 }, { 0x0018, 19300 }, { 0x0017, 19500 },
{ 0x0016, 19700 }, { 0x0015, 19900 }, { 0x0014, 20000 },
};
static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv);
static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv);
static void cxd2841er_i2c_debug(struct cxd2841er_priv *priv,
u8 addr, u8 reg, u8 write,
const u8 *data, u32 len)
{
dev_dbg(&priv->i2c->dev,
"cxd2841er: I2C %s addr %02x reg 0x%02x size %d data %*ph\n",
(write == 0 ? "read" : "write"), addr, reg, len, len, data);
}
static int cxd2841er_write_regs(struct cxd2841er_priv *priv,
u8 addr, u8 reg, const u8 *data, u32 len)
{
int ret;
u8 buf[MAX_WRITE_REGSIZE + 1];
u8 i2c_addr = (addr == I2C_SLVX ?
priv->i2c_addr_slvx : priv->i2c_addr_slvt);
struct i2c_msg msg[1] = {
{
.addr = i2c_addr,
.flags = 0,
.len = len + 1,
.buf = buf,
}
};
if (len + 1 >= sizeof(buf)) {
dev_warn(&priv->i2c->dev, "wr reg=%04x: len=%d is too big!\n",
reg, len + 1);
return -E2BIG;
}
cxd2841er_i2c_debug(priv, i2c_addr, reg, 1, data, len);
buf[0] = reg;
memcpy(&buf[1], data, len);
ret = i2c_transfer(priv->i2c, msg, 1);
if (ret >= 0 && ret != 1)
ret = -EIO;
if (ret < 0) {
dev_warn(&priv->i2c->dev,
"%s: i2c wr failed=%d addr=%02x reg=%02x len=%d\n",
KBUILD_MODNAME, ret, i2c_addr, reg, len);
return ret;
}
return 0;
}
static int cxd2841er_write_reg(struct cxd2841er_priv *priv,
u8 addr, u8 reg, u8 val)
{
u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
return cxd2841er_write_regs(priv, addr, reg, &tmp, 1);
}
static int cxd2841er_read_regs(struct cxd2841er_priv *priv,
u8 addr, u8 reg, u8 *val, u32 len)
{
int ret;
u8 i2c_addr = (addr == I2C_SLVX ?
priv->i2c_addr_slvx : priv->i2c_addr_slvt);
struct i2c_msg msg[2] = {
{
.addr = i2c_addr,
.flags = 0,
.len = 1,
.buf = &reg,
}, {
.addr = i2c_addr,
.flags = I2C_M_RD,
.len = len,
.buf = val,
}
};
ret = i2c_transfer(priv->i2c, msg, 2);
if (ret >= 0 && ret != 2)
ret = -EIO;
if (ret < 0) {
dev_warn(&priv->i2c->dev,
"%s: i2c rd failed=%d addr=%02x reg=%02x\n",
KBUILD_MODNAME, ret, i2c_addr, reg);
return ret;
}
cxd2841er_i2c_debug(priv, i2c_addr, reg, 0, val, len);
return 0;
}
static int cxd2841er_read_reg(struct cxd2841er_priv *priv,
u8 addr, u8 reg, u8 *val)
{
return cxd2841er_read_regs(priv, addr, reg, val, 1);
}
static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv,
u8 addr, u8 reg, u8 data, u8 mask)
{
int res;
u8 rdata;
if (mask != 0xff) {
res = cxd2841er_read_reg(priv, addr, reg, &rdata);
if (res)
return res;
data = ((data & mask) | (rdata & (mask ^ 0xFF)));
}
return cxd2841er_write_reg(priv, addr, reg, data);
}
static u32 cxd2841er_calc_iffreq_xtal(enum cxd2841er_xtal xtal, u32 ifhz)
{
u64 tmp;
tmp = (u64) ifhz * 16777216;
do_div(tmp, ((xtal == SONY_XTAL_24000) ? 48000000 : 41000000));
return (u32) tmp;
}
static u32 cxd2841er_calc_iffreq(u32 ifhz)
{
return cxd2841er_calc_iffreq_xtal(SONY_XTAL_20500, ifhz);
}
static int cxd2841er_get_if_hz(struct cxd2841er_priv *priv, u32 def_hz)
{
u32 hz;
if (priv->frontend.ops.tuner_ops.get_if_frequency
&& (priv->flags & CXD2841ER_AUTO_IFHZ))
priv->frontend.ops.tuner_ops.get_if_frequency(
&priv->frontend, &hz);
else
hz = def_hz;
return hz;
}
static int cxd2841er_tuner_set(struct dvb_frontend *fe)
{
struct cxd2841er_priv *priv = fe->demodulator_priv;
if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (fe->ops.tuner_ops.set_params)
fe->ops.tuner_ops.set_params(fe);
if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return 0;
}
static int cxd2841er_dvbs2_set_symbol_rate(struct cxd2841er_priv *priv,
u32 symbol_rate)
{
u32 reg_value = 0;
u8 data[3] = {0, 0, 0};
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
/*
* regValue = (symbolRateKSps * 2^14 / 1000) + 0.5
* = ((symbolRateKSps * 2^14) + 500) / 1000
* = ((symbolRateKSps * 16384) + 500) / 1000
*/
reg_value = DIV_ROUND_CLOSEST(symbol_rate * 16384, 1000);
if ((reg_value == 0) || (reg_value > 0xFFFFF)) {
dev_err(&priv->i2c->dev,
"%s(): reg_value is out of range\n", __func__);
return -EINVAL;
}
data[0] = (u8)((reg_value >> 16) & 0x0F);
data[1] = (u8)((reg_value >> 8) & 0xFF);
data[2] = (u8)(reg_value & 0xFF);
/* Set SLV-T Bank : 0xAE */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
cxd2841er_write_regs(priv, I2C_SLVT, 0x20, data, 3);
return 0;
}
static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv,
u8 system);
static int cxd2841er_sleep_s_to_active_s(struct cxd2841er_priv *priv,
u8 system, u32 symbol_rate)
{
int ret;
u8 data[4] = { 0, 0, 0, 0 };
if (priv->state != STATE_SLEEP_S) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, (int)priv->state);
return -EINVAL;
}
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
cxd2841er_set_ts_clock_mode(priv, SYS_DVBS);
/* Set demod mode */
if (system == SYS_DVBS) {
data[0] = 0x0A;
} else if (system == SYS_DVBS2) {
data[0] = 0x0B;
} else {
dev_err(&priv->i2c->dev, "%s(): invalid delsys %d\n",
__func__, system);
return -EINVAL;
}
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
cxd2841er_write_reg(priv, I2C_SLVX, 0x17, data[0]);
/* DVB-S/S2 */
data[0] = 0x00;
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Enable S/S2 auto detection 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, data[0]);
/* Set SLV-T Bank : 0xAE */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
/* Enable S/S2 auto detection 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, data[0]);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Enable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
/* Enable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x01);
/* Enable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
/* Enable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x3f);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Enable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
/* Set SLV-T Bank : 0xA3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa3);
cxd2841er_write_reg(priv, I2C_SLVT, 0xac, 0x00);
data[0] = 0x07;
data[1] = 0x3B;
data[2] = 0x08;
data[3] = 0xC5;
/* Set SLV-T Bank : 0xAB */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xab);
cxd2841er_write_regs(priv, I2C_SLVT, 0x98, data, 4);
data[0] = 0x05;
data[1] = 0x80;
data[2] = 0x0A;
data[3] = 0x80;
cxd2841er_write_regs(priv, I2C_SLVT, 0xa8, data, 4);
data[0] = 0x0C;
data[1] = 0xCC;
cxd2841er_write_regs(priv, I2C_SLVT, 0xc3, data, 2);
/* Set demod parameter */
ret = cxd2841er_dvbs2_set_symbol_rate(priv, symbol_rate);
if (ret != 0)
return ret;
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x10);
/* disable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
priv->state = STATE_ACTIVE_S;
return 0;
}
static int cxd2841er_sleep_tc_to_active_t_band(struct cxd2841er_priv *priv,
u32 bandwidth);
static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv,
u32 bandwidth);
static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv,
u32 bandwidth);
static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv,
u32 bandwidth);
static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv);
static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv);
static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv);
static int cxd2841er_sleep_tc(struct dvb_frontend *fe);
static int cxd2841er_retune_active(struct cxd2841er_priv *priv,
struct dtv_frontend_properties *p)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_S &&
priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
if (priv->state == STATE_ACTIVE_S)
return cxd2841er_dvbs2_set_symbol_rate(
priv, p->symbol_rate / 1000);
else if (priv->state == STATE_ACTIVE_TC) {
switch (priv->system) {
case SYS_DVBT:
return cxd2841er_sleep_tc_to_active_t_band(
priv, p->bandwidth_hz);
case SYS_DVBT2:
return cxd2841er_sleep_tc_to_active_t2_band(
priv, p->bandwidth_hz);
case SYS_DVBC_ANNEX_A:
return cxd2841er_sleep_tc_to_active_c_band(
priv, p->bandwidth_hz);
case SYS_ISDBT:
cxd2841er_active_i_to_sleep_tc(priv);
cxd2841er_sleep_tc_to_shutdown(priv);
cxd2841er_shutdown_to_sleep_tc(priv);
return cxd2841er_sleep_tc_to_active_i(
priv, p->bandwidth_hz);
}
}
dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
__func__, priv->system);
return -EINVAL;
}
static int cxd2841er_active_s_to_sleep_s(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_S) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
/* enable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1f);
/* enable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* disable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x00);
/* disable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
/* disable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
/* SADC Bias ON */
cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
/* disable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
/* Set SLV-T Bank : 0xAE */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
/* disable S/S2 auto detection1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable S/S2 auto detection2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, 0x00);
priv->state = STATE_SLEEP_S;
return 0;
}
static int cxd2841er_sleep_s_to_shutdown(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_SLEEP_S) {
dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Disable DSQOUT */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
/* Disable DSQIN */
cxd2841er_write_reg(priv, I2C_SLVT, 0x9c, 0x00);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Disable oscillator */
cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01);
/* Set demod mode */
cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01);
priv->state = STATE_SHUTDOWN;
return 0;
}
static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_SLEEP_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Disable oscillator */
cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01);
/* Set demod mode */
cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01);
priv->state = STATE_SHUTDOWN;
return 0;
}
static int cxd2841er_active_t_to_sleep_tc(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
/* enable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
/* enable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* disable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Disable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
/* Disable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* Disable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
/* Disable RF level monitor */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
/* Disable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
priv->state = STATE_SLEEP_TC;
return 0;
}
static int cxd2841er_active_t2_to_sleep_tc(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
/* enable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
/* enable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
/* Cancel DVB-T2 setting */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13);
cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x40);
cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x21);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f);
cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xfb);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x00, 0x0f);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x00, 0x3f);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* disable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Disable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
/* Disable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* Disable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
/* Disable RF level monitor */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
/* Disable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
priv->state = STATE_SLEEP_TC;
return 0;
}
static int cxd2841er_active_c_to_sleep_tc(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
/* enable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
/* enable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
/* Cancel DVB-C setting */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa3, 0x00, 0x1f);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* disable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Disable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
/* Disable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* Disable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
/* Disable RF level monitor */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
/* Disable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
priv->state = STATE_SLEEP_TC;
return 0;
}
static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* disable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
/* enable Hi-Z setting 1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
/* enable Hi-Z setting 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
/* TODO: Cancel demod parameter */
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* disable ADC 1 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* Disable ADC 2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
/* Disable ADC 3 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* Disable ADC clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
/* Disable RF level monitor */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
/* Disable demod clock */
cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
priv->state = STATE_SLEEP_TC;
return 0;
}
static int cxd2841er_shutdown_to_sleep_s(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_SHUTDOWN) {
dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Clear all demodulator registers */
cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00);
usleep_range(3000, 5000);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Set demod SW reset */
cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01);
switch (priv->xtal) {
case SONY_XTAL_20500:
cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00);
break;
case SONY_XTAL_24000:
/* Select demod frequency */
cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x03);
break;
case SONY_XTAL_41000:
cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x01);
break;
default:
dev_dbg(&priv->i2c->dev, "%s(): invalid demod xtal %d\n",
__func__, priv->xtal);
return -EINVAL;
}
/* Set demod mode */
cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x0a);
/* Clear demod SW reset */
cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00);
usleep_range(1000, 2000);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* enable DSQOUT */
cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1F);
/* enable DSQIN */
cxd2841er_write_reg(priv, I2C_SLVT, 0x9C, 0x40);
/* TADC Bias On */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* SADC Bias On */
cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
priv->state = STATE_SLEEP_S;
return 0;
}
static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv)
{
u8 data = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_SHUTDOWN) {
dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Clear all demodulator registers */
cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00);
usleep_range(3000, 5000);
/* Set SLV-X Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
/* Set demod SW reset */
cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01);
/* Select ADC clock mode */
cxd2841er_write_reg(priv, I2C_SLVX, 0x13, 0x00);
switch (priv->xtal) {
case SONY_XTAL_20500:
data = 0x0;
break;
case SONY_XTAL_24000:
/* Select demod frequency */
cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
data = 0x3;
break;
case SONY_XTAL_41000:
cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
data = 0x1;
break;
}
cxd2841er_write_reg(priv, I2C_SLVX, 0x14, data);
/* Clear demod SW reset */
cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00);
usleep_range(1000, 2000);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
/* TADC Bias On */
cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
/* SADC Bias On */
cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
priv->state = STATE_SLEEP_TC;
return 0;
}
static int cxd2841er_tune_done(struct cxd2841er_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0, 0);
/* SW Reset */
cxd2841er_write_reg(priv, I2C_SLVT, 0xfe, 0x01);
/* Enable TS output */
cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x00);
return 0;
}
/* Set TS parallel mode */
static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv,
u8 system)
{
u8 serial_ts, ts_rate_ctrl_off, ts_in_off;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
/* Set SLV-T Bank : 0x00 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
cxd2841er_read_reg(priv, I2C_SLVT, 0xc4, &serial_ts);
cxd2841er_read_reg(priv, I2C_SLVT, 0xd3, &ts_rate_ctrl_off);
cxd2841er_read_reg(priv, I2C_SLVT, 0xde, &ts_in_off);
dev_dbg(&priv->i2c->dev, "%s(): ser_ts=0x%02x rate_ctrl_off=0x%02x in_off=0x%02x\n",
__func__, serial_ts, ts_rate_ctrl_off, ts_in_off);
/*
* slave Bank Addr Bit default Name
* <SLV-T> 00h C4h [1:0] 2'b?? OSERCKMODE
*/
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4,
((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
/*
* slave Bank Addr Bit default Name
* <SLV-T> 00h D1h [1:0] 2'b?? OSERDUTYMODE
*/
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd1,
((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
/*
* slave Bank Addr Bit default Name
* <SLV-T> 00h D9h [7:0] 8'h08 OTSCKPERIOD
*/
cxd2841er_write_reg(priv, I2C_SLVT, 0xd9, 0x08);
/*
* Disable TS IF Clock
* slave Bank Addr Bit default Name
* <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN
*/
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x00, 0x01);
/*
* slave Bank Addr Bit default Name
* <SLV-T> 00h 33h [1:0] 2'b01 OREG_CKSEL_TSIF
*/
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x33,
((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
/*
* Enable TS IF Clock
* slave Bank Addr Bit default Name
* <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN
*/
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x01, 0x01);
if (system == SYS_DVBT) {
/* Enable parity period for DVB-T */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01);
} else if (system == SYS_DVBC_ANNEX_A) {
/* Enable parity period for DVB-C */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01);
}
}
static u8 cxd2841er_chip_id(struct cxd2841er_priv *priv)
{
u8 chip_id = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (cxd2841er_write_reg(priv, I2C_SLVT, 0, 0) == 0)
cxd2841er_read_reg(priv, I2C_SLVT, 0xfd, &chip_id);
else if (cxd2841er_write_reg(priv, I2C_SLVX, 0, 0) == 0)
cxd2841er_read_reg(priv, I2C_SLVX, 0xfd, &chip_id);
return chip_id;
}
static int cxd2841er_read_status_s(struct dvb_frontend *fe,
enum fe_status *status)
{
u8 reg = 0;
struct cxd2841er_priv *priv = fe->demodulator_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
*status = 0;
if (priv->state != STATE_ACTIVE_S) {
dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/* Set SLV-T Bank : 0xA0 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 11h [2] ITSLOCK
*/
cxd2841er_read_reg(priv, I2C_SLVT, 0x11, &reg);
if (reg & 0x04) {
*status = FE_HAS_SIGNAL
| FE_HAS_CARRIER
| FE_HAS_VITERBI
| FE_HAS_SYNC
| FE_HAS_LOCK;
}
dev_dbg(&priv->i2c->dev, "%s(): result 0x%x\n", __func__, *status);
return 0;
}
static int cxd2841er_read_status_t_t2(struct cxd2841er_priv *priv,
u8 *sync, u8 *tslock, u8 *unlock)
{
u8 data = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC)
return -EINVAL;
if (priv->system == SYS_DVBT) {
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
} else {
/* Set SLV-T Bank : 0x20 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
}
cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
if ((data & 0x07) == 0x07) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid hardware state detected\n", __func__);
*sync = 0;
*tslock = 0;
*unlock = 0;
} else {
*sync = ((data & 0x07) == 0x6 ? 1 : 0);
*tslock = ((data & 0x20) ? 1 : 0);
*unlock = ((data & 0x10) ? 1 : 0);
}
return 0;
}
static int cxd2841er_read_status_c(struct cxd2841er_priv *priv, u8 *tslock)
{
u8 data;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC)
return -EINVAL;
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_reg(priv, I2C_SLVT, 0x88, &data);
if ((data & 0x01) == 0) {
*tslock = 0;
} else {
cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
*tslock = ((data & 0x20) ? 1 : 0);
}
return 0;
}
static int cxd2841er_read_status_i(struct cxd2841er_priv *priv,
u8 *sync, u8 *tslock, u8 *unlock)
{
u8 data = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC)
return -EINVAL;
/* Set SLV-T Bank : 0x60 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
dev_dbg(&priv->i2c->dev,
"%s(): lock=0x%x\n", __func__, data);
*sync = ((data & 0x02) ? 1 : 0);
*tslock = ((data & 0x01) ? 1 : 0);
*unlock = ((data & 0x10) ? 1 : 0);
return 0;
}
static int cxd2841er_read_status_tc(struct dvb_frontend *fe,
enum fe_status *status)
{
int ret = 0;
u8 sync = 0;
u8 tslock = 0;
u8 unlock = 0;
struct cxd2841er_priv *priv = fe->demodulator_priv;
*status = 0;
if (priv->state == STATE_ACTIVE_TC) {
if (priv->system == SYS_DVBT || priv->system == SYS_DVBT2) {
ret = cxd2841er_read_status_t_t2(
priv, &sync, &tslock, &unlock);
if (ret)
goto done;
if (unlock)
goto done;
if (sync)
*status = FE_HAS_SIGNAL |
FE_HAS_CARRIER |
FE_HAS_VITERBI |
FE_HAS_SYNC;
if (tslock)
*status |= FE_HAS_LOCK;
} else if (priv->system == SYS_ISDBT) {
ret = cxd2841er_read_status_i(
priv, &sync, &tslock, &unlock);
if (ret)
goto done;
if (unlock)
goto done;
if (sync)
*status = FE_HAS_SIGNAL |
FE_HAS_CARRIER |
FE_HAS_VITERBI |
FE_HAS_SYNC;
if (tslock)
*status |= FE_HAS_LOCK;
} else if (priv->system == SYS_DVBC_ANNEX_A) {
ret = cxd2841er_read_status_c(priv, &tslock);
if (ret)
goto done;
if (tslock)
*status = FE_HAS_SIGNAL |
FE_HAS_CARRIER |
FE_HAS_VITERBI |
FE_HAS_SYNC |
FE_HAS_LOCK;
}
}
done:
dev_dbg(&priv->i2c->dev, "%s(): status 0x%x\n", __func__, *status);
return ret;
}
static int cxd2841er_get_carrier_offset_s_s2(struct cxd2841er_priv *priv,
int *offset)
{
u8 data[3];
u8 is_hs_mode;
s32 cfrl_ctrlval;
s32 temp_div, temp_q, temp_r;
if (priv->state != STATE_ACTIVE_S) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
/*
* Get High Sampling Rate mode
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 10h [0] ITRL_LOCK
*/
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data[0]);
if (data[0] & 0x01) {
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 50h [4] IHSMODE
*/
cxd2841er_read_reg(priv, I2C_SLVT, 0x50, &data[0]);
is_hs_mode = (data[0] & 0x10 ? 1 : 0);
} else {
dev_dbg(&priv->i2c->dev,
"%s(): unable to detect sampling rate mode\n",
__func__);
return -EINVAL;
}
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 45h [4:0] ICFRL_CTRLVAL[20:16]
* <SLV-T> A0h 46h [7:0] ICFRL_CTRLVAL[15:8]
* <SLV-T> A0h 47h [7:0] ICFRL_CTRLVAL[7:0]
*/
cxd2841er_read_regs(priv, I2C_SLVT, 0x45, data, 3);
cfrl_ctrlval = sign_extend32((((u32)data[0] & 0x1F) << 16) |
(((u32)data[1] & 0xFF) << 8) |
((u32)data[2] & 0xFF), 20);
temp_div = (is_hs_mode ? 1048576 : 1572864);
if (cfrl_ctrlval > 0) {
temp_q = div_s64_rem(97375LL * cfrl_ctrlval,
temp_div, &temp_r);
} else {
temp_q = div_s64_rem(-97375LL * cfrl_ctrlval,
temp_div, &temp_r);
}
if (temp_r >= temp_div / 2)
temp_q++;
if (cfrl_ctrlval > 0)
temp_q *= -1;
*offset = temp_q;
return 0;
}
static int cxd2841er_get_carrier_offset_i(struct cxd2841er_priv *priv,
u32 bandwidth, int *offset)
{
u8 data[4];
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
if (priv->system != SYS_ISDBT) {
dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
__func__, priv->system);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
*offset = -1 * sign_extend32(
((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) |
((u32)data[2] << 8) | (u32)data[3], 29);
switch (bandwidth) {
case 6000000:
*offset = -1 * ((*offset) * 8/264);
break;
case 7000000:
*offset = -1 * ((*offset) * 8/231);
break;
case 8000000:
*offset = -1 * ((*offset) * 8/198);
break;
default:
dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n",
__func__, bandwidth);
return -EINVAL;
}
dev_dbg(&priv->i2c->dev, "%s(): bandwidth %d offset %d\n",
__func__, bandwidth, *offset);
return 0;
}
static int cxd2841er_get_carrier_offset_t(struct cxd2841er_priv *priv,
u32 bandwidth, int *offset)
{
u8 data[4];
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
if (priv->system != SYS_DVBT) {
dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
__func__, priv->system);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
*offset = -1 * sign_extend32(
((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) |
((u32)data[2] << 8) | (u32)data[3], 29);
*offset *= (bandwidth / 1000000);
*offset /= 235;
return 0;
}
static int cxd2841er_get_carrier_offset_t2(struct cxd2841er_priv *priv,
u32 bandwidth, int *offset)
{
u8 data[4];
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
if (priv->system != SYS_DVBT2) {
dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
__func__, priv->system);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
*offset = -1 * sign_extend32(
((u32)(data[0] & 0x0F) << 24) | ((u32)data[1] << 16) |
((u32)data[2] << 8) | (u32)data[3], 27);
switch (bandwidth) {
case 1712000:
*offset /= 582;
break;
case 5000000:
case 6000000:
case 7000000:
case 8000000:
*offset *= (bandwidth / 1000000);
*offset /= 940;
break;
default:
dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n",
__func__, bandwidth);
return -EINVAL;
}
return 0;
}
static int cxd2841er_get_carrier_offset_c(struct cxd2841er_priv *priv,
int *offset)
{
u8 data[2];
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
if (priv->system != SYS_DVBC_ANNEX_A) {
dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
__func__, priv->system);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_regs(priv, I2C_SLVT, 0x15, data, sizeof(data));
*offset = div_s64(41000LL * sign_extend32((((u32)data[0] & 0x3f) << 8)
| (u32)data[1], 13), 16384);
return 0;
}
static int cxd2841er_read_packet_errors_c(
struct cxd2841er_priv *priv, u32 *penum)
{
u8 data[3];
*penum = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data));
if (data[2] & 0x01)
*penum = ((u32)data[0] << 8) | (u32)data[1];
return 0;
}
static int cxd2841er_read_packet_errors_t(
struct cxd2841er_priv *priv, u32 *penum)
{
u8 data[3];
*penum = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data));
if (data[2] & 0x01)
*penum = ((u32)data[0] << 8) | (u32)data[1];
return 0;
}
static int cxd2841er_read_packet_errors_t2(
struct cxd2841er_priv *priv, u32 *penum)
{
u8 data[3];
*penum = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24);
cxd2841er_read_regs(priv, I2C_SLVT, 0xfd, data, sizeof(data));
if (data[0] & 0x01)
*penum = ((u32)data[1] << 8) | (u32)data[2];
return 0;
}
static int cxd2841er_read_packet_errors_i(
struct cxd2841er_priv *priv, u32 *penum)
{
u8 data[2];
*penum = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_regs(priv, I2C_SLVT, 0xA1, data, 1);
if (!(data[0] & 0x01))
return 0;
/* Layer A */
cxd2841er_read_regs(priv, I2C_SLVT, 0xA2, data, sizeof(data));
*penum = ((u32)data[0] << 8) | (u32)data[1];
/* Layer B */
cxd2841er_read_regs(priv, I2C_SLVT, 0xA4, data, sizeof(data));
*penum += ((u32)data[0] << 8) | (u32)data[1];
/* Layer C */
cxd2841er_read_regs(priv, I2C_SLVT, 0xA6, data, sizeof(data));
*penum += ((u32)data[0] << 8) | (u32)data[1];
return 0;
}
static int cxd2841er_read_ber_c(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[3];
u32 bit_err, period_exp;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_regs(priv, I2C_SLVT, 0x62, data, sizeof(data));
if (!(data[0] & 0x80)) {
dev_dbg(&priv->i2c->dev,
"%s(): no valid BER data\n", __func__);
return -EINVAL;
}
bit_err = ((u32)(data[0] & 0x3f) << 16) |
((u32)data[1] << 8) |
(u32)data[2];
cxd2841er_read_reg(priv, I2C_SLVT, 0x60, data);
period_exp = data[0] & 0x1f;
if ((period_exp <= 11) && (bit_err > (1 << period_exp) * 204 * 8)) {
dev_dbg(&priv->i2c->dev,
"%s(): period_exp(%u) or bit_err(%u) not in range. no valid BER data\n",
__func__, period_exp, bit_err);
return -EINVAL;
}
dev_dbg(&priv->i2c->dev,
"%s(): period_exp(%u) or bit_err(%u) count=%d\n",
__func__, period_exp, bit_err,
((1 << period_exp) * 204 * 8));
*bit_error = bit_err;
*bit_count = ((1 << period_exp) * 204 * 8);
return 0;
}
static int cxd2841er_read_ber_i(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[3];
u8 pktnum[2];
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_freeze_regs(priv);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_regs(priv, I2C_SLVT, 0x5B, pktnum, sizeof(pktnum));
cxd2841er_read_regs(priv, I2C_SLVT, 0x16, data, sizeof(data));
cxd2841er_unfreeze_regs(priv);
if (!pktnum[0] && !pktnum[1]) {
dev_dbg(&priv->i2c->dev,
"%s(): no valid BER data\n", __func__);
return -EINVAL;
}
*bit_error = ((u32)(data[0] & 0x7F) << 16) |
((u32)data[1] << 8) | data[2];
*bit_count = ((((u32)pktnum[0] << 8) | pktnum[1]) * 204 * 8);
dev_dbg(&priv->i2c->dev, "%s(): bit_error=%u bit_count=%u\n",
__func__, *bit_error, *bit_count);
return 0;
}
static int cxd2841er_mon_read_ber_s(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[11];
/* Set SLV-T Bank : 0xA0 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 35h [0] IFVBER_VALID
* <SLV-T> A0h 36h [5:0] IFVBER_BITERR[21:16]
* <SLV-T> A0h 37h [7:0] IFVBER_BITERR[15:8]
* <SLV-T> A0h 38h [7:0] IFVBER_BITERR[7:0]
* <SLV-T> A0h 3Dh [5:0] IFVBER_BITNUM[21:16]
* <SLV-T> A0h 3Eh [7:0] IFVBER_BITNUM[15:8]
* <SLV-T> A0h 3Fh [7:0] IFVBER_BITNUM[7:0]
*/
cxd2841er_read_regs(priv, I2C_SLVT, 0x35, data, 11);
if (data[0] & 0x01) {
*bit_error = ((u32)(data[1] & 0x3F) << 16) |
((u32)(data[2] & 0xFF) << 8) |
(u32)(data[3] & 0xFF);
*bit_count = ((u32)(data[8] & 0x3F) << 16) |
((u32)(data[9] & 0xFF) << 8) |
(u32)(data[10] & 0xFF);
if ((*bit_count == 0) || (*bit_error > *bit_count)) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid bit_error %d, bit_count %d\n",
__func__, *bit_error, *bit_count);
return -EINVAL;
}
return 0;
}
dev_dbg(&priv->i2c->dev, "%s(): no data available\n", __func__);
return -EINVAL;
}
static int cxd2841er_mon_read_ber_s2(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[5];
u32 period;
/* Set SLV-T Bank : 0xB2 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xb2);
/*
* slave Bank Addr Bit Signal name
* <SLV-T> B2h 30h [0] IFLBER_VALID
* <SLV-T> B2h 31h [3:0] IFLBER_BITERR[27:24]
* <SLV-T> B2h 32h [7:0] IFLBER_BITERR[23:16]
* <SLV-T> B2h 33h [7:0] IFLBER_BITERR[15:8]
* <SLV-T> B2h 34h [7:0] IFLBER_BITERR[7:0]
*/
cxd2841er_read_regs(priv, I2C_SLVT, 0x30, data, 5);
if (data[0] & 0x01) {
/* Bit error count */
*bit_error = ((u32)(data[1] & 0x0F) << 24) |
((u32)(data[2] & 0xFF) << 16) |
((u32)(data[3] & 0xFF) << 8) |
(u32)(data[4] & 0xFF);
/* Set SLV-T Bank : 0xA0 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
cxd2841er_read_reg(priv, I2C_SLVT, 0x7a, data);
/* Measurement period */
period = (u32)(1 << (data[0] & 0x0F));
if (period == 0) {
dev_dbg(&priv->i2c->dev,
"%s(): period is 0\n", __func__);
return -EINVAL;
}
if (*bit_error > (period * 64800)) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid bit_err 0x%x period 0x%x\n",
__func__, *bit_error, period);
return -EINVAL;
}
*bit_count = period * 64800;
return 0;
} else {
dev_dbg(&priv->i2c->dev,
"%s(): no data available\n", __func__);
}
return -EINVAL;
}
static int cxd2841er_read_ber_t2(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[4];
u32 period_exp, n_ldpc;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n", __func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
cxd2841er_read_regs(priv, I2C_SLVT, 0x39, data, sizeof(data));
if (!(data[0] & 0x10)) {
dev_dbg(&priv->i2c->dev,
"%s(): no valid BER data\n", __func__);
return -EINVAL;
}
*bit_error = ((u32)(data[0] & 0x0f) << 24) |
((u32)data[1] << 16) |
((u32)data[2] << 8) |
(u32)data[3];
cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data);
period_exp = data[0] & 0x0f;
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x22);
cxd2841er_read_reg(priv, I2C_SLVT, 0x5e, data);
n_ldpc = ((data[0] & 0x03) == 0 ? 16200 : 64800);
if (*bit_error > ((1U << period_exp) * n_ldpc)) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid BER value\n", __func__);
return -EINVAL;
}
/*
* FIXME: the right thing would be to return bit_error untouched,
* but, as we don't know the scale returned by the counters, let's
* at least preserver BER = bit_error/bit_count.
*/
if (period_exp >= 4) {
*bit_count = (1U << (period_exp - 4)) * (n_ldpc / 200);
*bit_error *= 3125ULL;
} else {
*bit_count = (1U << period_exp) * (n_ldpc / 200);
*bit_error *= 50000ULL;
}
return 0;
}
static int cxd2841er_read_ber_t(struct cxd2841er_priv *priv,
u32 *bit_error, u32 *bit_count)
{
u8 data[2];
u32 period;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n", __func__, priv->state);
return -EINVAL;
}
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
cxd2841er_read_reg(priv, I2C_SLVT, 0x39, data);
if (!(data[0] & 0x01)) {
dev_dbg(&priv->i2c->dev,
"%s(): no valid BER data\n", __func__);
return 0;
}
cxd2841er_read_regs(priv, I2C_SLVT, 0x22, data, sizeof(data));
*bit_error = ((u32)data[0] << 8) | (u32)data[1];
cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data);
period = ((data[0] & 0x07) == 0) ? 256 : (4096 << (data[0] & 0x07));
/*
* FIXME: the right thing would be to return bit_error untouched,
* but, as we don't know the scale returned by the counters, let's
* at least preserver BER = bit_error/bit_count.
*/
*bit_count = period / 128;
*bit_error *= 78125ULL;
return 0;
}
static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv)
{
/*
* Freeze registers: ensure multiple separate register reads
* are from the same snapshot
*/
cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x01);
return 0;
}
static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv)
{
/*
* un-freeze registers
*/
cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x00);
return 0;
}
static u32 cxd2841er_dvbs_read_snr(struct cxd2841er_priv *priv,
u8 delsys, u32 *snr)
{
u8 data[3];
u32 res = 0, value;
int min_index, max_index, index;
static const struct cxd2841er_cnr_data *cn_data;
cxd2841er_freeze_regs(priv);
/* Set SLV-T Bank : 0xA1 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa1);
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A1h 10h [0] ICPM_QUICKRDY
* <SLV-T> A1h 11h [4:0] ICPM_QUICKCNDT[12:8]
* <SLV-T> A1h 12h [7:0] ICPM_QUICKCNDT[7:0]
*/
cxd2841er_read_regs(priv, I2C_SLVT, 0x10, data, 3);
cxd2841er_unfreeze_regs(priv);
if (data[0] & 0x01) {
value = ((u32)(data[1] & 0x1F) << 8) | (u32)(data[2] & 0xFF);
min_index = 0;
if (delsys == SYS_DVBS) {
cn_data = s_cn_data;
max_index = ARRAY_SIZE(s_cn_data) - 1;
} else {
cn_data = s2_cn_data;
max_index = ARRAY_SIZE(s2_cn_data) - 1;
}
if (value >= cn_data[min_index].value) {
res = cn_data[min_index].cnr_x1000;
goto done;
}
if (value <= cn_data[max_index].value) {
res = cn_data[max_index].cnr_x1000;
goto done;
}
while ((max_index - min_index) > 1) {
index = (max_index + min_index) / 2;
if (value == cn_data[index].value) {
res = cn_data[index].cnr_x1000;
goto done;
} else if (value > cn_data[index].value)
max_index = index;
else
min_index = index;
if ((max_index - min_index) <= 1) {
if (value == cn_data[max_index].value) {
res = cn_data[max_index].cnr_x1000;
goto done;
} else {
res = cn_data[min_index].cnr_x1000;
goto done;
}
}
}
} else {
dev_dbg(&priv->i2c->dev,
"%s(): no data available\n", __func__);
return -EINVAL;
}
done:
*snr = res;
return 0;
}
static uint32_t sony_log(uint32_t x)
{
return (((10000>>8)*(intlog2(x)>>16) + LOG2_E_100X/2)/LOG2_E_100X);
}
static int cxd2841er_read_snr_c(struct cxd2841er_priv *priv, u32 *snr)
{
u32 reg;
u8 data[2];
enum sony_dvbc_constellation_t qam = SONY_DVBC_CONSTELLATION_16QAM;
*snr = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n",
__func__, priv->state);
return -EINVAL;
}
cxd2841er_freeze_regs(priv);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_regs(priv, I2C_SLVT, 0x19, data, 1);
qam = (enum sony_dvbc_constellation_t) (data[0] & 0x07);
cxd2841er_read_regs(priv, I2C_SLVT, 0x4C, data, 2);
cxd2841er_unfreeze_regs(priv);
reg = ((u32)(data[0]&0x1f) << 8) | (u32)data[1];
if (reg == 0) {
dev_dbg(&priv->i2c->dev,
"%s(): reg value out of range\n", __func__);
return 0;
}
switch (qam) {
case SONY_DVBC_CONSTELLATION_16QAM:
case SONY_DVBC_CONSTELLATION_64QAM:
case SONY_DVBC_CONSTELLATION_256QAM:
/* SNR(dB) = -9.50 * ln(IREG_SNR_ESTIMATE / (24320)) */
if (reg < 126)
reg = 126;
*snr = -95 * (int32_t)sony_log(reg) + 95941;
break;
case SONY_DVBC_CONSTELLATION_32QAM:
case SONY_DVBC_CONSTELLATION_128QAM:
/* SNR(dB) = -8.75 * ln(IREG_SNR_ESTIMATE / (20800)) */
if (reg < 69)
reg = 69;
*snr = -88 * (int32_t)sony_log(reg) + 86999;
break;
default:
return -EINVAL;
}
return 0;
}
static int cxd2841er_read_snr_t(struct cxd2841er_priv *priv, u32 *snr)
{
u32 reg;
u8 data[2];
*snr = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n", __func__, priv->state);
return -EINVAL;
}
cxd2841er_freeze_regs(priv);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
cxd2841er_unfreeze_regs(priv);
reg = ((u32)data[0] << 8) | (u32)data[1];
if (reg == 0) {
dev_dbg(&priv->i2c->dev,
"%s(): reg value out of range\n", __func__);
return 0;
}
if (reg > 4996)
reg = 4996;
*snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(5350 - reg)) + 285);
return 0;
}
static int cxd2841er_read_snr_t2(struct cxd2841er_priv *priv, u32 *snr)
{
u32 reg;
u8 data[2];
*snr = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n", __func__, priv->state);
return -EINVAL;
}
cxd2841er_freeze_regs(priv);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
cxd2841er_unfreeze_regs(priv);
reg = ((u32)data[0] << 8) | (u32)data[1];
if (reg == 0) {
dev_dbg(&priv->i2c->dev,
"%s(): reg value out of range\n", __func__);
return 0;
}
if (reg > 10876)
reg = 10876;
*snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(12600 - reg)) + 320);
return 0;
}
static int cxd2841er_read_snr_i(struct cxd2841er_priv *priv, u32 *snr)
{
u32 reg;
u8 data[2];
*snr = 0;
if (priv->state != STATE_ACTIVE_TC) {
dev_dbg(&priv->i2c->dev,
"%s(): invalid state %d\n", __func__,
priv->state);
return -EINVAL;
}
cxd2841er_freeze_regs(priv);
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
cxd2841er_unfreeze_regs(priv);
reg = ((u32)data[0] << 8) | (u32)data[1];
if (reg == 0) {
dev_dbg(&priv->i2c->dev,
"%s(): reg value out of range\n", __func__);
return 0;
}
*snr = 10000 * (intlog10(reg) >> 24) - 9031;
return 0;
}
static u16 cxd2841er_read_agc_gain_c(struct cxd2841er_priv *priv,
u8 delsys)
{
u8 data[2];
cxd2841er_write_reg(
priv, I2C_SLVT, 0x00, 0x40);
cxd2841er_read_regs(priv, I2C_SLVT, 0x49, data, 2);
dev_dbg(&priv->i2c->dev,
"%s(): AGC value=%u\n",
__func__, (((u16)data[0] & 0x0F) << 8) |
(u16)(data[1] & 0xFF));
return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
}
static u16 cxd2841er_read_agc_gain_t_t2(struct cxd2841er_priv *priv,
u8 delsys)
{
u8 data[2];
cxd2841er_write_reg(
priv, I2C_SLVT, 0x00, (delsys == SYS_DVBT ? 0x10 : 0x20));
cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2);
dev_dbg(&priv->i2c->dev,
"%s(): AGC value=%u\n",
__func__, (((u16)data[0] & 0x0F) << 8) |
(u16)(data[1] & 0xFF));
return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
}
static u16 cxd2841er_read_agc_gain_i(struct cxd2841er_priv *priv,
u8 delsys)
{
u8 data[2];
cxd2841er_write_reg(
priv, I2C_SLVT, 0x00, 0x60);
cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2);
dev_dbg(&priv->i2c->dev,
"%s(): AGC value=%u\n",
__func__, (((u16)data[0] & 0x0F) << 8) |
(u16)(data[1] & 0xFF));
return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
}
static u16 cxd2841er_read_agc_gain_s(struct cxd2841er_priv *priv)
{
u8 data[2];
/* Set SLV-T Bank : 0xA0 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
/*
* slave Bank Addr Bit Signal name
* <SLV-T> A0h 1Fh [4:0] IRFAGC_GAIN[12:8]
* <SLV-T> A0h 20h [7:0] IRFAGC_GAIN[7:0]
*/
cxd2841er_read_regs(priv, I2C_SLVT, 0x1f, data, 2);
return ((((u16)data[0] & 0x1F) << 8) | (u16)(data[1] & 0xFF)) << 3;
}
static void cxd2841er_read_ber(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct cxd2841er_priv *priv = fe->demodulator_priv;
u32 ret, bit_error = 0, bit_count = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
switch (p->delivery_system) {
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_B:
case SYS_DVBC_ANNEX_C:
ret = cxd2841er_read_ber_c(priv, &bit_error, &bit_count);
break;
case SYS_ISDBT:
ret = cxd2841er_read_ber_i(priv, &bit_error, &bit_count);
break;
case SYS_DVBS:
ret = cxd2841er_mon_read_ber_s(priv, &bit_error, &bit_count);
break;
case SYS_DVBS2:
ret = cxd2841er_mon_read_ber_s2(priv, &bit_error, &bit_count);
break;
case SYS_DVBT:
ret = cxd2841er_read_ber_t(priv, &bit_error, &bit_count);
break;
case SYS_DVBT2:
ret = cxd2841er_read_ber_t2(priv, &bit_error, &bit_count);
break;
default:
p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
return;
}
if (!ret) {
p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
p->post_bit_error.stat[0].uvalue += bit_error;
p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
p->post_bit_count.stat[0].uvalue += bit_count;
} else {
p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
}
static void cxd2841er_read_signal_strength(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct cxd2841er_priv *priv = fe->demodulator_priv;
s32 strength;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
switch (p->delivery_system) {
case SYS_DVBT:
case SYS_DVBT2:
strength = cxd2841er_read_agc_gain_t_t2(priv,
p->delivery_system);
p->strength.stat[0].scale = FE_SCALE_DECIBEL;
/* Formula was empirically determinated @ 410 MHz */
p->strength.stat[0].uvalue = strength * 366 / 100 - 89520;
break; /* Code moved out of the function */
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_B:
case SYS_DVBC_ANNEX_C:
strength = cxd2841er_read_agc_gain_c(priv,
p->delivery_system);
p->strength.stat[0].scale = FE_SCALE_DECIBEL;
/*
* Formula was empirically determinated via linear regression,
* using frequencies: 175 MHz, 410 MHz and 800 MHz, and a
* stream modulated with QAM64
*/
p->strength.stat[0].uvalue = strength * 4045 / 1000 - 85224;
break;
case SYS_ISDBT:
strength = cxd2841er_read_agc_gain_i(priv, p->delivery_system);
p->strength.stat[0].scale = FE_SCALE_DECIBEL;
/*
* Formula was empirically determinated via linear regression,
* using frequencies: 175 MHz, 410 MHz and 800 MHz.
*/
p->strength.stat[0].uvalue = strength * 3775 / 1000 - 90185;
break;
case SYS_DVBS:
case SYS_DVBS2:
strength = 65535 - cxd2841er_read_agc_gain_s(priv);
p->strength.stat[0].scale = FE_SCALE_RELATIVE;
p->strength.stat[0].uvalue = strength;
break;
default:
p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
break;
}
}
static void cxd2841er_read_snr(struct dvb_frontend *fe)
{
u32 tmp = 0;
int ret = 0;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct cxd2841er_priv *priv = fe->demodulator_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
switch (p->delivery_system) {
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_B:
case SYS_DVBC_ANNEX_C:
ret = cxd2841er_read_snr_c(priv, &tmp);
break;
case SYS_DVBT:
ret = cxd2841er_read_snr_t(priv, &tmp);
break;
case SYS_DVBT2:
ret = cxd2841er_read_snr_t2(priv, &tmp);
break;
case SYS_ISDBT:
ret = cxd2841er_read_snr_i(priv, &tmp);
break;
case SYS_DVBS:
case SYS_DVBS2:
ret = cxd2841er_dvbs_read_snr(priv, p->delivery_system, &tmp);
break;
default:
dev_dbg(&priv->i2c->dev, "%s(): unknown delivery system %d\n",
__func__, p->delivery_system);
p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
return;
}
dev_dbg(&priv->i2c->dev, "%s(): snr=%d\n",
__func__, (int32_t)tmp);
if (!ret) {
p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
p->cnr.stat[0].svalue = tmp;
} else {
p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
}
static void cxd2841er_read_ucblocks(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct cxd2841er_priv *priv = fe->demodulator_priv;
u32 ucblocks = 0;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
switch (p->delivery_system) {
case SYS_DVBC_ANNEX_A:
case SYS_DVBC_ANNEX_B:
case SYS_DVBC_ANNEX_C:
cxd2841er_read_packet_errors_c(priv, &ucblocks);
break;
case SYS_DVBT:
cxd2841er_read_packet_errors_t(priv, &ucblocks);
break;
case SYS_DVBT2:
cxd2841er_read_packet_errors_t2(priv, &ucblocks);
break;
case SYS_ISDBT:
cxd2841er_read_packet_errors_i(priv, &ucblocks);
break;
default:
p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
return;
}
dev_dbg(&priv->i2c->dev, "%s() ucblocks=%u\n", __func__, ucblocks);
p->block_error.stat[0].scale = FE_SCALE_COUNTER;
p->block_error.stat[0].uvalue = ucblocks;
}
static int cxd2841er_dvbt2_set_profile(
struct cxd2841er_priv *priv, enum cxd2841er_dvbt2_profile_t profile)
{
u8 tune_mode;
u8 seq_not2d_time;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
switch (profile) {
case DVBT2_PROFILE_BASE:
tune_mode = 0x01;
/* Set early unlock time */
seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x0E:0x0C;
break;
case DVBT2_PROFILE_LITE:
tune_mode = 0x05;
/* Set early unlock time */
seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28;
break;
case DVBT2_PROFILE_ANY:
tune_mode = 0x00;
/* Set early unlock time */
seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28;
break;
default:
return -EINVAL;
}
/* Set SLV-T Bank : 0x2E */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2e);
/* Set profile and tune mode */
cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x10, tune_mode, 0x07);
/* Set SLV-T Bank : 0x2B */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
/* Set early unlock detection time */
cxd2841er_write_reg(priv, I2C_SLVT, 0x9d, seq_not2d_time);
return 0;
}
static int cxd2841er_dvbt2_set_plp_config(struct cxd2841er_priv *priv,
u8 is_auto, u8 plp_id)
{
if (is_auto) {
dev_dbg(&priv->i2c->dev,
"%s() using auto PLP selection\n", __func__);
} else {
dev_dbg(&priv->i2c->dev,
"%s() using manual PLP selection, ID %d\n",
__func__, plp_id);
}
/* Set SLV-T Bank : 0x23 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23);
if (!is_auto) {
/* Manual PLP selection mode. Set the data PLP Id. */
cxd2841er_write_reg(priv, I2C_SLVT, 0xaf, plp_id);
}
/* Auto PLP select (Scanning mode = 0x00). Data PLP select = 0x01. */
cxd2841er_write_reg(priv, I2C_SLVT, 0xad, (is_auto ? 0x00 : 0x01));
return 0;
}
static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv,
u32 bandwidth)
{
u32 iffreq, ifhz;
u8 data[MAX_WRITE_REGSIZE];
static const uint8_t nominalRate8bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
{0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */
};
static const uint8_t nominalRate7bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
{0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */
};
static const uint8_t nominalRate6bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */
{0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */
};
static const uint8_t nominalRate5bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */
{0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */
{0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */
};
static const uint8_t nominalRate17bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x58, 0xE2, 0xAF, 0xE0, 0xBC}, /* 20.5MHz XTal */
{0x68, 0x0F, 0xA2, 0x32, 0xD0}, /* 24MHz XTal */
{0x58, 0xE2, 0xAF, 0xE0, 0xBC} /* 41MHz XTal */
};
static const uint8_t itbCoef8bw[3][14] = {
{0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA,
0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */
{0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1,
0x29, 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */
{0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA,
0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */
};
static const uint8_t itbCoef7bw[3][14] = {
{0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6,
0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */
{0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0,
0x29, 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */
{0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6,
0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */
};
static const uint8_t itbCoef6bw[3][14] = {
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
{0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E,
0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
};
static const uint8_t itbCoef5bw[3][14] = {
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
{0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E,
0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
};
static const uint8_t itbCoef17bw[3][14] = {
{0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B,
0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99}, /* 20.5MHz XTal */
{0x33, 0x8E, 0x2B, 0x97, 0x2D, 0x95, 0x37, 0x8B,
0x30, 0x97, 0x2D, 0x9A, 0x21, 0xA4}, /* 24MHz XTal */
{0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B,
0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99} /* 41MHz XTal */
};
/* Set SLV-T Bank : 0x20 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
switch (bandwidth) {
case 8000000:
/* <Timing Recovery setting> */
cxd2841er_write_regs(priv, I2C_SLVT,
0x9F, nominalRate8bw[priv->xtal], 5);
/* Set SLV-T Bank : 0x27 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
cxd2841er_set_reg_bits(priv, I2C_SLVT,
0x7a, 0x00, 0x0f);
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
/* Group delay equaliser settings for
* ASCOT2D, ASCOT2E and ASCOT3 tuners
*/
if (priv->flags & CXD2841ER_ASCOT)
cxd2841er_write_regs(priv, I2C_SLVT,
0xA6, itbCoef8bw[priv->xtal], 14);
/* <IF freq setting> */
ifhz = cxd2841er_get_if_hz(priv, 4800000);
iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
data[0] = (u8) ((iffreq >> 16) & 0xff);
data[1] = (u8)((iffreq >> 8) & 0xff);
data[2] = (u8)(iffreq & 0xff);
cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
/* System bandwidth setting */
cxd2841er_set_reg_bits(
priv, I2C_SLVT, 0xD7, 0x00, 0x07);
break;
case 7000000:
/* <Timing Recovery setting> */
cxd2841er_write_regs(priv, I2C_SLVT,
0x9F, nominalRate7bw[priv->xtal], 5);
/* Set SLV-T Bank : 0x27 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
cxd2841er_set_reg_bits(priv, I2C_SLVT,
0x7a, 0x00, 0x0f);
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
/* Group delay equaliser settings for
* ASCOT2D, ASCOT2E and ASCOT3 tuners
*/
if (priv->flags & CXD2841ER_ASCOT)
cxd2841er_write_regs(priv, I2C_SLVT,
0xA6, itbCoef7bw[priv->xtal], 14);
/* <IF freq setting> */
ifhz = cxd2841er_get_if_hz(priv, 4200000);
iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
data[0] = (u8) ((iffreq >> 16) & 0xff);
data[1] = (u8)((iffreq >> 8) & 0xff);
data[2] = (u8)(iffreq & 0xff);
cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
/* System bandwidth setting */
cxd2841er_set_reg_bits(
priv, I2C_SLVT, 0xD7, 0x02, 0x07);
break;
case 6000000:
/* <Timing Recovery setting> */
cxd2841er_write_regs(priv, I2C_SLVT,
0x9F, nominalRate6bw[priv->xtal], 5);
/* Set SLV-T Bank : 0x27 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
cxd2841er_set_reg_bits(priv, I2C_SLVT,
0x7a, 0x00, 0x0f);
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
/* Group delay equaliser settings for
* ASCOT2D, ASCOT2E and ASCOT3 tuners
*/
if (priv->flags & CXD2841ER_ASCOT)
cxd2841er_write_regs(priv, I2C_SLVT,
0xA6, itbCoef6bw[priv->xtal], 14);
/* <IF freq setting> */
ifhz = cxd2841er_get_if_hz(priv, 3600000);
iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
data[0] = (u8) ((iffreq >> 16) & 0xff);
data[1] = (u8)((iffreq >> 8) & 0xff);
data[2] = (u8)(iffreq & 0xff);
cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
/* System bandwidth setting */
cxd2841er_set_reg_bits(
priv, I2C_SLVT, 0xD7, 0x04, 0x07);
break;
case 5000000:
/* <Timing Recovery setting> */
cxd2841er_write_regs(priv, I2C_SLVT,
0x9F, nominalRate5bw[priv->xtal], 5);
/* Set SLV-T Bank : 0x27 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
cxd2841er_set_reg_bits(priv, I2C_SLVT,
0x7a, 0x00, 0x0f);
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
/* Group delay equaliser settings for
* ASCOT2D, ASCOT2E and ASCOT3 tuners
*/
if (priv->flags & CXD2841ER_ASCOT)
cxd2841er_write_regs(priv, I2C_SLVT,
0xA6, itbCoef5bw[priv->xtal], 14);
/* <IF freq setting> */
ifhz = cxd2841er_get_if_hz(priv, 3600000);
iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
data[0] = (u8) ((iffreq >> 16) & 0xff);
data[1] = (u8)((iffreq >> 8) & 0xff);
data[2] = (u8)(iffreq & 0xff);
cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
/* System bandwidth setting */
cxd2841er_set_reg_bits(
priv, I2C_SLVT, 0xD7, 0x06, 0x07);
break;
case 1712000:
/* <Timing Recovery setting> */
cxd2841er_write_regs(priv, I2C_SLVT,
0x9F, nominalRate17bw[priv->xtal], 5);
/* Set SLV-T Bank : 0x27 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
cxd2841er_set_reg_bits(priv, I2C_SLVT,
0x7a, 0x03, 0x0f);
/* Set SLV-T Bank : 0x10 */
cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
/* Group delay equaliser settings for
* ASCOT2D, ASCOT2E and ASCOT3 tuners
*/
if (priv->flags & CXD2841ER_ASCOT)
cxd2841er_write_regs(priv, I2C_SLVT,
0xA6, itbCoef17bw[priv->xtal], 14);
/* <IF freq setting> */
ifhz = cxd2841er_get_if_hz(priv, 3500000);
iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
data[0] = (u8) ((iffreq >> 16) & 0xff);
data[1] = (u8)((iffreq >> 8) & 0xff);
data[2] = (u8)(iffreq & 0xff);
cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
/* System bandwidth setting */
cxd2841er_set_reg_bits(
priv, I2C_SLVT, 0xD7, 0x03, 0x07);
break;
default:
return -EINVAL;
}
return 0;
}
static int cxd2841er_sleep_tc_to_active_t_band(
struct cxd2841er_priv *priv, u32 bandwidth)
{
u8 data[MAX_WRITE_REGSIZE];
u32 iffreq, ifhz;
static const u8 nominalRate8bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
{0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */
};
static const u8 nominalRate7bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
{0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */
};
static const u8 nominalRate6bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */
{0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
{0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */
};
static const u8 nominalRate5bw[3][5] = {
/* TRCG Nominal Rate [37:0] */
{0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */
{0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */
{0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */
};
static const u8 itbCoef8bw[3][14] = {
{0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9,
0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */
{0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 0xA5,
0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */
{0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9,
0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */
};
static const u8 itbCoef7bw[3][14] = {
{0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0,
0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */
{0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 0xA2,
0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */
{0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0,
0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */
};
static const u8 itbCoef6bw[3][14] = {
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
{0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4,
0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
};
static const u8 itbCoef5bw[3][14] = {
{0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,