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linux-stable/drivers/media/dvb-frontends/helene.c
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 
Based on 3 normalized pattern(s):

  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

  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 [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] 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

  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 [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* helene.c
*
* Sony HELENE DVB-S/S2 DVB-T/T2 DVB-C/C2 ISDB-T/S tuner driver (CXD2858ER)
*
* Copyright 2012 Sony Corporation
* Copyright (C) 2014 NetUP Inc.
* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
*/
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/dvb/frontend.h>
#include <linux/types.h>
#include "helene.h"
#include <media/dvb_frontend.h>
#define MAX_WRITE_REGSIZE 20
enum helene_state {
STATE_UNKNOWN,
STATE_SLEEP,
STATE_ACTIVE
};
struct helene_priv {
u32 frequency;
u8 i2c_address;
struct i2c_adapter *i2c;
enum helene_state state;
void *set_tuner_data;
int (*set_tuner)(void *, int);
enum helene_xtal xtal;
};
#define TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system) \
(((tv_system) != SONY_HELENE_DTV_DVBC_6) && \
((tv_system) != SONY_HELENE_DTV_DVBC_8)\
&& ((tv_system) != SONY_HELENE_DTV_DVBC2_6) && \
((tv_system) != SONY_HELENE_DTV_DVBC2_8))
#define HELENE_AUTO 0xff
#define HELENE_OFFSET(ofs) ((u8)(ofs) & 0x1F)
#define HELENE_BW_6 0x00
#define HELENE_BW_7 0x01
#define HELENE_BW_8 0x02
#define HELENE_BW_1_7 0x03
enum helene_tv_system_t {
SONY_HELENE_TV_SYSTEM_UNKNOWN,
/* Terrestrial Analog */
SONY_HELENE_ATV_MN_EIAJ,
/**< System-M (Japan) (IF: Fp=5.75MHz in default) */
SONY_HELENE_ATV_MN_SAP,
/**< System-M (US) (IF: Fp=5.75MHz in default) */
SONY_HELENE_ATV_MN_A2,
/**< System-M (Korea) (IF: Fp=5.9MHz in default) */
SONY_HELENE_ATV_BG,
/**< System-B/G (IF: Fp=7.3MHz in default) */
SONY_HELENE_ATV_I,
/**< System-I (IF: Fp=7.85MHz in default) */
SONY_HELENE_ATV_DK,
/**< System-D/K (IF: Fp=7.85MHz in default) */
SONY_HELENE_ATV_L,
/**< System-L (IF: Fp=7.85MHz in default) */
SONY_HELENE_ATV_L_DASH,
/**< System-L DASH (IF: Fp=2.2MHz in default) */
/* Terrestrial/Cable Digital */
SONY_HELENE_DTV_8VSB,
/**< ATSC 8VSB (IF: Fc=3.7MHz in default) */
SONY_HELENE_DTV_QAM,
/**< US QAM (IF: Fc=3.7MHz in default) */
SONY_HELENE_DTV_ISDBT_6,
/**< ISDB-T 6MHzBW (IF: Fc=3.55MHz in default) */
SONY_HELENE_DTV_ISDBT_7,
/**< ISDB-T 7MHzBW (IF: Fc=4.15MHz in default) */
SONY_HELENE_DTV_ISDBT_8,
/**< ISDB-T 8MHzBW (IF: Fc=4.75MHz in default) */
SONY_HELENE_DTV_DVBT_5,
/**< DVB-T 5MHzBW (IF: Fc=3.6MHz in default) */
SONY_HELENE_DTV_DVBT_6,
/**< DVB-T 6MHzBW (IF: Fc=3.6MHz in default) */
SONY_HELENE_DTV_DVBT_7,
/**< DVB-T 7MHzBW (IF: Fc=4.2MHz in default) */
SONY_HELENE_DTV_DVBT_8,
/**< DVB-T 8MHzBW (IF: Fc=4.8MHz in default) */
SONY_HELENE_DTV_DVBT2_1_7,
/**< DVB-T2 1.7MHzBW (IF: Fc=3.5MHz in default) */
SONY_HELENE_DTV_DVBT2_5,
/**< DVB-T2 5MHzBW (IF: Fc=3.6MHz in default) */
SONY_HELENE_DTV_DVBT2_6,
/**< DVB-T2 6MHzBW (IF: Fc=3.6MHz in default) */
SONY_HELENE_DTV_DVBT2_7,
/**< DVB-T2 7MHzBW (IF: Fc=4.2MHz in default) */
SONY_HELENE_DTV_DVBT2_8,
/**< DVB-T2 8MHzBW (IF: Fc=4.8MHz in default) */
SONY_HELENE_DTV_DVBC_6,
/**< DVB-C 6MHzBW (IF: Fc=3.7MHz in default) */
SONY_HELENE_DTV_DVBC_8,
/**< DVB-C 8MHzBW (IF: Fc=4.9MHz in default) */
SONY_HELENE_DTV_DVBC2_6,
/**< DVB-C2 6MHzBW (IF: Fc=3.7MHz in default) */
SONY_HELENE_DTV_DVBC2_8,
/**< DVB-C2 8MHzBW (IF: Fc=4.9MHz in default) */
SONY_HELENE_DTV_DTMB,
/**< DTMB (IF: Fc=5.1MHz in default) */
/* Satellite */
SONY_HELENE_STV_ISDBS,
/**< ISDB-S */
SONY_HELENE_STV_DVBS,
/**< DVB-S */
SONY_HELENE_STV_DVBS2,
/**< DVB-S2 */
SONY_HELENE_ATV_MIN = SONY_HELENE_ATV_MN_EIAJ,
/**< Minimum analog terrestrial system */
SONY_HELENE_ATV_MAX = SONY_HELENE_ATV_L_DASH,
/**< Maximum analog terrestrial system */
SONY_HELENE_DTV_MIN = SONY_HELENE_DTV_8VSB,
/**< Minimum digital terrestrial system */
SONY_HELENE_DTV_MAX = SONY_HELENE_DTV_DTMB,
/**< Maximum digital terrestrial system */
SONY_HELENE_TERR_TV_SYSTEM_NUM,
/**< Number of supported terrestrial broadcasting system */
SONY_HELENE_STV_MIN = SONY_HELENE_STV_ISDBS,
/**< Minimum satellite system */
SONY_HELENE_STV_MAX = SONY_HELENE_STV_DVBS2
/**< Maximum satellite system */
};
struct helene_terr_adjust_param_t {
/* < Addr:0x69 Bit[6:4] : RFVGA gain.
* 0xFF means Auto. (RF_GAIN_SEL = 1)
*/
uint8_t RF_GAIN;
/* < Addr:0x69 Bit[3:0] : IF_BPF gain.
*/
uint8_t IF_BPF_GC;
/* < Addr:0x6B Bit[3:0] : RF overload
* RF input detect level. (FRF <= 172MHz)
*/
uint8_t RFOVLD_DET_LV1_VL;
/* < Addr:0x6B Bit[3:0] : RF overload
* RF input detect level. (172MHz < FRF <= 464MHz)
*/
uint8_t RFOVLD_DET_LV1_VH;
/* < Addr:0x6B Bit[3:0] : RF overload
* RF input detect level. (FRF > 464MHz)
*/
uint8_t RFOVLD_DET_LV1_U;
/* < Addr:0x6C Bit[2:0] :
* Internal RFAGC detect level. (FRF <= 172MHz)
*/
uint8_t IFOVLD_DET_LV_VL;
/* < Addr:0x6C Bit[2:0] :
* Internal RFAGC detect level. (172MHz < FRF <= 464MHz)
*/
uint8_t IFOVLD_DET_LV_VH;
/* < Addr:0x6C Bit[2:0] :
* Internal RFAGC detect level. (FRF > 464MHz)
*/
uint8_t IFOVLD_DET_LV_U;
/* < Addr:0x6D Bit[5:4] :
* IF filter center offset.
*/
uint8_t IF_BPF_F0;
/* < Addr:0x6D Bit[1:0] :
* 6MHzBW(0x00) or 7MHzBW(0x01)
* or 8MHzBW(0x02) or 1.7MHzBW(0x03)
*/
uint8_t BW;
/* < Addr:0x6E Bit[4:0] :
* 5bit signed. IF offset (kHz) = FIF_OFFSET x 50
*/
uint8_t FIF_OFFSET;
/* < Addr:0x6F Bit[4:0] :
* 5bit signed. BW offset (kHz) =
* BW_OFFSET x 50 (BW_OFFSET x 10 in 1.7MHzBW)
*/
uint8_t BW_OFFSET;
/* < Addr:0x9C Bit[0] :
* Local polarity. (0: Upper Local, 1: Lower Local)
*/
uint8_t IS_LOWERLOCAL;
};
static const struct helene_terr_adjust_param_t
terr_params[SONY_HELENE_TERR_TV_SYSTEM_NUM] = {
/*< SONY_HELENE_TV_SYSTEM_UNKNOWN */
{HELENE_AUTO, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(0), 0x00},
/* Analog */
/**< SONY_HELENE_ATV_MN_EIAJ (System-M (Japan)) */
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
/**< SONY_HELENE_ATV_MN_SAP (System-M (US)) */
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_6, HELENE_OFFSET(3), HELENE_OFFSET(1), 0x00},
/**< SONY_HELENE_ATV_MN_A2 (System-M (Korea)) */
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_7, HELENE_OFFSET(11), HELENE_OFFSET(5), 0x00},
/**< SONY_HELENE_ATV_BG (System-B/G) */
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_ATV_I (System-I) */
{HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_ATV_DK (System-D/K) */
{HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_ATV_L (System-L) */
{HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
HELENE_BW_8, HELENE_OFFSET(-1), HELENE_OFFSET(4), 0x00},
/**< SONY_HELENE_ATV_L_DASH (System-L DASH) */
/* Digital */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x03, 0x03, 0x03, 0x00,
HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_8VSB (ATSC 8VSB) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_QAM (US QAM) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-9), HELENE_OFFSET(-5), 0x00},
/**< SONY_HELENE_DTV_ISDBT_6 (ISDB-T 6MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_7, HELENE_OFFSET(-7), HELENE_OFFSET(-6), 0x00},
/**< SONY_HELENE_DTV_ISDBT_7 (ISDB-T 7MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_8, HELENE_OFFSET(-5), HELENE_OFFSET(-7), 0x00},
/**< SONY_HELENE_DTV_ISDBT_8 (ISDB-T 8MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_DVBT_5 (DVB-T 5MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_DVBT_6 (DVB-T 6MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
/**< SONY_HELENE_DTV_DVBT_7 (DVB-T 7MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
/**< SONY_HELENE_DTV_DVBT_8 (DVB-T 8MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_1_7, HELENE_OFFSET(-10), HELENE_OFFSET(-10), 0x00},
/**< SONY_HELENE_DTV_DVBT2_1_7 (DVB-T2 1.7MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_DVBT2_5 (DVB-T2 5MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_DVBT2_6 (DVB-T2 6MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
/**< SONY_HELENE_DTV_DVBT2_7 (DVB-T2 7MHzBW) */
{HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
/**< SONY_HELENE_DTV_DVBT2_8 (DVB-T2 8MHzBW) */
{HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-4), 0x00},
/**< SONY_HELENE_DTV_DVBC_6 (DVB-C 6MHzBW) */
{HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(-3), 0x00},
/**< SONY_HELENE_DTV_DVBC_8 (DVB-C 8MHzBW) */
{HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-2), 0x00},
/**< SONY_HELENE_DTV_DVBC2_6 (DVB-C2 6MHzBW) */
{HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(0), 0x00},
/**< SONY_HELENE_DTV_DVBC2_8 (DVB-C2 8MHzBW) */
{HELENE_AUTO, 0x04, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(1), 0x00}
/**< SONY_HELENE_DTV_DTMB (DTMB) */
};
static void helene_i2c_debug(struct helene_priv *priv,
u8 reg, u8 write, const u8 *data, u32 len)
{
dev_dbg(&priv->i2c->dev, "helene: I2C %s reg 0x%02x size %d\n",
(write == 0 ? "read" : "write"), reg, len);
print_hex_dump_bytes("helene: I2C data: ",
DUMP_PREFIX_OFFSET, data, len);
}
static int helene_write_regs(struct helene_priv *priv,
u8 reg, const u8 *data, u32 len)
{
int ret;
u8 buf[MAX_WRITE_REGSIZE + 1];
struct i2c_msg msg[1] = {
{
.addr = priv->i2c_address,
.flags = 0,
.len = len + 1,
.buf = buf,
}
};
if (len + 1 > sizeof(buf)) {
dev_warn(&priv->i2c->dev,
"wr reg=%04x: len=%d vs %zu is too big!\n",
reg, len + 1, sizeof(buf));
return -E2BIG;
}
helene_i2c_debug(priv, 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 = -EREMOTEIO;
if (ret < 0) {
dev_warn(&priv->i2c->dev,
"%s: i2c wr failed=%d reg=%02x len=%d\n",
KBUILD_MODNAME, ret, reg, len);
return ret;
}
return 0;
}
static int helene_write_reg(struct helene_priv *priv, u8 reg, u8 val)
{
u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
return helene_write_regs(priv, reg, &tmp, 1);
}
static int helene_read_regs(struct helene_priv *priv,
u8 reg, u8 *val, u32 len)
{
int ret;
struct i2c_msg msg[2] = {
{
.addr = priv->i2c_address,
.flags = 0,
.len = 1,
.buf = &reg,
}, {
.addr = priv->i2c_address,
.flags = I2C_M_RD,
.len = len,
.buf = val,
}
};
ret = i2c_transfer(priv->i2c, &msg[0], 1);
if (ret >= 0 && ret != 1)
ret = -EREMOTEIO;
if (ret < 0) {
dev_warn(&priv->i2c->dev,
"%s: I2C rw failed=%d addr=%02x reg=%02x\n",
KBUILD_MODNAME, ret, priv->i2c_address, reg);
return ret;
}
ret = i2c_transfer(priv->i2c, &msg[1], 1);
if (ret >= 0 && ret != 1)
ret = -EREMOTEIO;
if (ret < 0) {
dev_warn(&priv->i2c->dev,
"%s: i2c rd failed=%d addr=%02x reg=%02x\n",
KBUILD_MODNAME, ret, priv->i2c_address, reg);
return ret;
}
helene_i2c_debug(priv, reg, 0, val, len);
return 0;
}
static int helene_read_reg(struct helene_priv *priv, u8 reg, u8 *val)
{
return helene_read_regs(priv, reg, val, 1);
}
static int helene_set_reg_bits(struct helene_priv *priv,
u8 reg, u8 data, u8 mask)
{
int res;
u8 rdata;
if (mask != 0xff) {
res = helene_read_reg(priv, reg, &rdata);
if (res != 0)
return res;
data = ((data & mask) | (rdata & (mask ^ 0xFF)));
}
return helene_write_reg(priv, reg, data);
}
static int helene_enter_power_save(struct helene_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state == STATE_SLEEP)
return 0;
/* Standby setting for CPU */
helene_write_reg(priv, 0x88, 0x0);
/* Standby setting for internal logic block */
helene_write_reg(priv, 0x87, 0xC0);
priv->state = STATE_SLEEP;
return 0;
}
static int helene_leave_power_save(struct helene_priv *priv)
{
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
if (priv->state == STATE_ACTIVE)
return 0;
/* Standby setting for internal logic block */
helene_write_reg(priv, 0x87, 0xC4);
/* Standby setting for CPU */
helene_write_reg(priv, 0x88, 0x40);
priv->state = STATE_ACTIVE;
return 0;
}
static int helene_init(struct dvb_frontend *fe)
{
struct helene_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
return helene_leave_power_save(priv);
}
static void helene_release(struct dvb_frontend *fe)
{
struct helene_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
kfree(fe->tuner_priv);
fe->tuner_priv = NULL;
}
static int helene_sleep(struct dvb_frontend *fe)
{
struct helene_priv *priv = fe->tuner_priv;
dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
helene_enter_power_save(priv);
return 0;
}
static enum helene_tv_system_t helene_get_tv_system(struct dvb_frontend *fe)
{
enum helene_tv_system_t system = SONY_HELENE_TV_SYSTEM_UNKNOWN;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct helene_priv *priv = fe->tuner_priv;
if (p->delivery_system == SYS_DVBT) {
if (p->bandwidth_hz <= 5000000)
system = SONY_HELENE_DTV_DVBT_5;
else if (p->bandwidth_hz <= 6000000)
system = SONY_HELENE_DTV_DVBT_6;
else if (p->bandwidth_hz <= 7000000)
system = SONY_HELENE_DTV_DVBT_7;
else if (p->bandwidth_hz <= 8000000)
system = SONY_HELENE_DTV_DVBT_8;
else {
system = SONY_HELENE_DTV_DVBT_8;
p->bandwidth_hz = 8000000;
}
} else if (p->delivery_system == SYS_DVBT2) {
if (p->bandwidth_hz <= 5000000)
system = SONY_HELENE_DTV_DVBT2_5;
else if (p->bandwidth_hz <= 6000000)
system = SONY_HELENE_DTV_DVBT2_6;
else if (p->bandwidth_hz <= 7000000)
system = SONY_HELENE_DTV_DVBT2_7;
else if (p->bandwidth_hz <= 8000000)
system = SONY_HELENE_DTV_DVBT2_8;
else {
system = SONY_HELENE_DTV_DVBT2_8;
p->bandwidth_hz = 8000000;
}
} else if (p->delivery_system == SYS_DVBS) {
system = SONY_HELENE_STV_DVBS;
} else if (p->delivery_system == SYS_DVBS2) {
system = SONY_HELENE_STV_DVBS2;
} else if (p->delivery_system == SYS_ISDBS) {
system = SONY_HELENE_STV_ISDBS;
} else if (p->delivery_system == SYS_ISDBT) {
if (p->bandwidth_hz <= 6000000)
system = SONY_HELENE_DTV_ISDBT_6;
else if (p->bandwidth_hz <= 7000000)
system = SONY_HELENE_DTV_ISDBT_7;
else if (p->bandwidth_hz <= 8000000)
system = SONY_HELENE_DTV_ISDBT_8;
else {
system = SONY_HELENE_DTV_ISDBT_8;
p->bandwidth_hz = 8000000;
}
} else if (p->delivery_system == SYS_DVBC_ANNEX_A) {
if (p->bandwidth_hz <= 6000000)
system = SONY_HELENE_DTV_DVBC_6;
else if (p->bandwidth_hz <= 8000000)
system = SONY_HELENE_DTV_DVBC_8;
}
dev_dbg(&priv->i2c->dev,
"%s(): HELENE DTV system %d (delsys %d, bandwidth %d)\n",
__func__, (int)system, p->delivery_system,
p->bandwidth_hz);
return system;
}
static int helene_set_params_s(struct dvb_frontend *fe)
{
u8 data[MAX_WRITE_REGSIZE];
u32 frequency;
enum helene_tv_system_t tv_system;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct helene_priv *priv = fe->tuner_priv;
int frequencykHz = p->frequency;
uint32_t frequency4kHz = 0;
u32 symbol_rate = p->symbol_rate/1000;
dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz sr=%uKsps\n",
__func__, frequencykHz, symbol_rate);
tv_system = helene_get_tv_system(fe);
if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
dev_err(&priv->i2c->dev, "%s(): unknown DTV system\n",
__func__);
return -EINVAL;
}
/* RF switch turn to satellite */
if (priv->set_tuner)
priv->set_tuner(priv->set_tuner_data, 0);
frequency = roundup(p->frequency / 1000, 1);
/* Disable IF signal output */
helene_write_reg(priv, 0x15, 0x02);
/* RFIN matching in power save (Sat) reset */
helene_write_reg(priv, 0x43, 0x06);
/* Analog block setting (0x6A, 0x6B) */
data[0] = 0x00;
data[1] = 0x00;
helene_write_regs(priv, 0x6A, data, 2);
helene_write_reg(priv, 0x75, 0x99);
helene_write_reg(priv, 0x9D, 0x00);
/* Tuning setting for CPU (0x61) */
helene_write_reg(priv, 0x61, 0x07);
/* Satellite mode select (0x01) */
helene_write_reg(priv, 0x01, 0x01);
/* Clock enable for internal logic block, CPU wake-up (0x04, 0x05) */
data[0] = 0xC4;
data[1] = 0x40;
switch (priv->xtal) {
case SONY_HELENE_XTAL_16000:
data[2] = 0x02;
break;
case SONY_HELENE_XTAL_20500:
data[2] = 0x02;
break;
case SONY_HELENE_XTAL_24000:
data[2] = 0x03;
break;
case SONY_HELENE_XTAL_41000:
data[2] = 0x05;
break;
default:
dev_err(&priv->i2c->dev, "%s(): unknown xtal %d\n",
__func__, priv->xtal);
return -EINVAL;
}
/* Setting for analog block (0x07). LOOPFILTER INTERNAL */
data[3] = 0x80;
/* Tuning setting for analog block
* (0x08, 0x09, 0x0A, 0x0B). LOOPFILTER INTERNAL
*/
if (priv->xtal == SONY_HELENE_XTAL_20500)
data[4] = 0x58;
else
data[4] = 0x70;
data[5] = 0x1E;
data[6] = 0x02;
data[7] = 0x24;
/* Enable for analog block (0x0C, 0x0D, 0x0E). SAT LNA ON */
data[8] = 0x0F;
data[8] |= 0xE0; /* POWERSAVE_TERR_RF_ACTIVE */
data[9] = 0x02;
data[10] = 0x1E;
/* Setting for LPF cutoff frequency (0x0F) */
switch (tv_system) {
case SONY_HELENE_STV_ISDBS:
data[11] = 0x22; /* 22MHz */
break;
case SONY_HELENE_STV_DVBS:
if (symbol_rate <= 4000)
data[11] = 0x05;
else if (symbol_rate <= 10000)
data[11] = (uint8_t)((symbol_rate * 47
+ (40000-1)) / 40000);
else
data[11] = (uint8_t)((symbol_rate * 27
+ (40000-1)) / 40000 + 5);
if (data[11] > 36)
data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
break;
case SONY_HELENE_STV_DVBS2:
if (symbol_rate <= 4000)
data[11] = 0x05;
else if (symbol_rate <= 10000)
data[11] = (uint8_t)((symbol_rate * 11
+ (10000-1)) / 10000);
else
data[11] = (uint8_t)((symbol_rate * 3
+ (5000-1)) / 5000 + 5);
if (data[11] > 36)
data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
break;
default:
dev_err(&priv->i2c->dev, "%s(): unknown standard %d\n",
__func__, tv_system);
return -EINVAL;
}
/* RF tuning frequency setting (0x10, 0x11, 0x12) */
frequency4kHz = (frequencykHz + 2) / 4;
data[12] = (uint8_t)(frequency4kHz & 0xFF); /* FRF_L */
data[13] = (uint8_t)((frequency4kHz >> 8) & 0xFF); /* FRF_M */
/* FRF_H (bit[3:0]) */
data[14] = (uint8_t)((frequency4kHz >> 16) & 0x0F);
/* Tuning command (0x13) */
data[15] = 0xFF;
/* Setting for IQOUT_LIMIT (0x14) 0.75Vpp */
data[16] = 0x00;
/* Enable IQ output (0x15) */
data[17] = 0x01;
helene_write_regs(priv, 0x04, data, 18);
dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
__func__);
priv->frequency = frequency;
return 0;
}
static int helene_set_params_t(struct dvb_frontend *fe)
{
u8 data[MAX_WRITE_REGSIZE];
u32 frequency;
enum helene_tv_system_t tv_system;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct helene_priv *priv = fe->tuner_priv;
int frequencykHz = p->frequency / 1000;
dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz\n",
__func__, frequencykHz);
tv_system = helene_get_tv_system(fe);
if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
dev_dbg(&priv->i2c->dev, "%s(): unknown DTV system\n",
__func__);
return -EINVAL;
}
if (priv->set_tuner)
priv->set_tuner(priv->set_tuner_data, 1);
frequency = roundup(p->frequency / 1000, 25);
/* mode select */
helene_write_reg(priv, 0x01, 0x00);
/* Disable IF signal output */
helene_write_reg(priv, 0x74, 0x02);
if (priv->state == STATE_SLEEP)
helene_leave_power_save(priv);
/* Initial setting for internal analog block (0x91, 0x92) */
if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
(tv_system == SONY_HELENE_DTV_DVBC_8)) {
data[0] = 0x16;
data[1] = 0x26;
} else {
data[0] = 0x10;
data[1] = 0x20;
}
helene_write_regs(priv, 0x91, data, 2);
/* Setting for analog block */
if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system))
data[0] = 0x90;
else
data[0] = 0x00;
/* Setting for local polarity (0x9D) */
data[1] = (uint8_t)(terr_params[tv_system].IS_LOWERLOCAL & 0x01);
helene_write_regs(priv, 0x9C, data, 2);
/* Enable for analog block */
data[0] = 0xEE;
data[1] = 0x02;
data[2] = 0x1E;
data[3] = 0x67; /* Tuning setting for CPU */
/* Setting for PLL reference divider for xtal=24MHz */
if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
(tv_system == SONY_HELENE_DTV_DVBC_8))
data[4] = 0x18;
else
data[4] = 0x03;
/* Tuning setting for analog block */
if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system)) {
data[5] = 0x38;
data[6] = 0x1E;
data[7] = 0x02;
data[8] = 0x24;
} else if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
(tv_system == SONY_HELENE_DTV_DVBC_8)) {
data[5] = 0x1C;
data[6] = 0x78;
data[7] = 0x08;
data[8] = 0x1C;
} else {
data[5] = 0xB4;
data[6] = 0x78;
data[7] = 0x08;
data[8] = 0x30;
}
helene_write_regs(priv, 0x5E, data, 9);
/* LT_AMP_EN should be 0 */
helene_set_reg_bits(priv, 0x67, 0x0, 0x02);
/* Setting for IFOUT_LIMIT */
data[0] = 0x00; /* 1.5Vpp */
/* RF_GAIN setting */
if (terr_params[tv_system].RF_GAIN == HELENE_AUTO)
data[1] = 0x80; /* RF_GAIN_SEL = 1 */
else
data[1] = (uint8_t)((terr_params[tv_system].RF_GAIN
<< 4) & 0x70);
/* IF_BPF_GC setting */
data[1] |= (uint8_t)(terr_params[tv_system].IF_BPF_GC & 0x0F);
/* Setting for internal RFAGC (0x6A, 0x6B, 0x6C) */
data[2] = 0x00;
if (frequencykHz <= 172000) {
data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VL
& 0x0F);
data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VL
& 0x07);
} else if (frequencykHz <= 464000) {
data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VH
& 0x0F);
data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VH
& 0x07);
} else {
data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_U
& 0x0F);
data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_U
& 0x07);
}
data[4] |= 0x20;
/* Setting for IF frequency and bandwidth */
/* IF filter center frequency offset (IF_BPF_F0) (0x6D) */
data[5] = (uint8_t)((terr_params[tv_system].IF_BPF_F0 << 4) & 0x30);
/* IF filter band width (BW) (0x6D) */
data[5] |= (uint8_t)(terr_params[tv_system].BW & 0x03);
/* IF frequency offset value (FIF_OFFSET) (0x6E) */
data[6] = (uint8_t)(terr_params[tv_system].FIF_OFFSET & 0x1F);
/* IF band width offset value (BW_OFFSET) (0x6F) */
data[7] = (uint8_t)(terr_params[tv_system].BW_OFFSET & 0x1F);
/* RF tuning frequency setting (0x70, 0x71, 0x72) */
data[8] = (uint8_t)(frequencykHz & 0xFF); /* FRF_L */
data[9] = (uint8_t)((frequencykHz >> 8) & 0xFF); /* FRF_M */
data[10] = (uint8_t)((frequencykHz >> 16)
& 0x0F); /* FRF_H (bit[3:0]) */
/* Tuning command */
data[11] = 0xFF;
/* Enable IF output, AGC and IFOUT pin selection (0x74) */
data[12] = 0x01;
if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
(tv_system == SONY_HELENE_DTV_DVBC_8)) {
data[13] = 0xD9;
data[14] = 0x0F;
data[15] = 0x24;
data[16] = 0x87;
} else {
data[13] = 0x99;
data[14] = 0x00;
data[15] = 0x24;
data[16] = 0x87;
}
helene_write_regs(priv, 0x68, data, 17);
dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
__func__);
priv->frequency = frequency;
return 0;
}
static int helene_set_params(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
if (p->delivery_system == SYS_DVBT ||
p->delivery_system == SYS_DVBT2 ||
p->delivery_system == SYS_ISDBT ||
p->delivery_system == SYS_DVBC_ANNEX_A)
return helene_set_params_t(fe);
return helene_set_params_s(fe);
}
static int helene_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct helene_priv *priv = fe->tuner_priv;
*frequency = priv->frequency * 1000;
return 0;
}
static const struct dvb_tuner_ops helene_tuner_ops_t = {
.info = {
.name = "Sony HELENE Ter tuner",
.frequency_min_hz = 1 * MHz,
.frequency_max_hz = 1200 * MHz,
.frequency_step_hz = 25 * kHz,
},
.init = helene_init,
.release = helene_release,
.sleep = helene_sleep,
.set_params = helene_set_params_t,
.get_frequency = helene_get_frequency,
};
static const struct dvb_tuner_ops helene_tuner_ops_s = {
.info = {
.name = "Sony HELENE Sat tuner",
.frequency_min_hz = 500 * MHz,
.frequency_max_hz = 2500 * MHz,
.frequency_step_hz = 1 * MHz,
},
.init = helene_init,
.release = helene_release,
.sleep = helene_sleep,
.set_params = helene_set_params_s,
.get_frequency = helene_get_frequency,
};
static const struct dvb_tuner_ops helene_tuner_ops = {
.info = {
.name = "Sony HELENE Sat/Ter tuner",
.frequency_min_hz = 1 * MHz,
.frequency_max_hz = 2500 * MHz,
.frequency_step_hz = 25 * kHz,
},
.init = helene_init,
.release = helene_release,
.sleep = helene_sleep,
.set_params = helene_set_params,
.get_frequency = helene_get_frequency,
};
/* power-on tuner
* call once after reset
*/
static int helene_x_pon(struct helene_priv *priv)
{
/* RFIN matching in power save (terrestrial) = ACTIVE */
/* RFIN matching in power save (satellite) = ACTIVE */
u8 dataT[] = { 0x06, 0x00, 0x02, 0x00 };
/* SAT_RF_ACTIVE = true, lnaOff = false, terrRfActive = true */
u8 dataS[] = { 0x05, 0x06 };
u8 cdata[] = {0x7A, 0x01};
u8 data[20];
u8 rdata[2];
/* mode select */
helene_write_reg(priv, 0x01, 0x00);
helene_write_reg(priv, 0x67, dataT[3]);
helene_write_reg(priv, 0x43, dataS[1]);
helene_write_regs(priv, 0x5E, dataT, 3);
helene_write_reg(priv, 0x0C, dataS[0]);
/* Initial setting for internal logic block */
helene_write_regs(priv, 0x99, cdata, sizeof(cdata));
/* 0x81 - 0x94 */
if (priv->xtal == SONY_HELENE_XTAL_16000)
data[0] = 0x10; /* xtal 16 MHz */
else
data[0] = 0x18; /* xtal 24 MHz */
data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */
data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */
data[3] = 0x80; /* REFOUT signal output 500mVpp */
data[4] = 0x00; /* GPIO settings */
data[5] = 0x00; /* GPIO settings */
data[6] = 0xC4; /* Clock enable for internal logic block */
data[7] = 0x40; /* Start CPU boot-up */
data[8] = 0x10; /* For burst-write */
/* Setting for internal RFAGC */
data[9] = 0x00;
data[10] = 0x45;
data[11] = 0x75;
data[12] = 0x07; /* Setting for analog block */
/* Initial setting for internal analog block */
data[13] = 0x1C;
data[14] = 0x3F;
data[15] = 0x02;
data[16] = 0x10;
data[17] = 0x20;
data[18] = 0x0A;
data[19] = 0x00;
helene_write_regs(priv, 0x81, data, sizeof(data));
/* Setting for internal RFAGC */
helene_write_reg(priv, 0x9B, 0x00);
msleep(20);
/* Check CPU_STT/CPU_ERR */
helene_read_regs(priv, 0x1A, rdata, sizeof(rdata));
if (rdata[0] != 0x00) {
dev_err(&priv->i2c->dev,
"HELENE tuner CPU error 0x%x\n", rdata[0]);
return -EIO;
}
/* VCO current setting */
cdata[0] = 0x90;
cdata[1] = 0x06;
helene_write_regs(priv, 0x17, cdata, sizeof(cdata));
msleep(20);
helene_read_reg(priv, 0x19, data);
helene_write_reg(priv, 0x95, (uint8_t)((data[0] >> 4) & 0x0F));
/* Disable IF signal output */
helene_write_reg(priv, 0x74, 0x02);
/* Standby setting for CPU */
helene_write_reg(priv, 0x88, 0x00);
/* Standby setting for internal logic block */
helene_write_reg(priv, 0x87, 0xC0);
/* Load capacitance control setting for crystal oscillator */
helene_write_reg(priv, 0x80, 0x01);
/* Satellite initial setting */
cdata[0] = 0x07;
cdata[1] = 0x00;
helene_write_regs(priv, 0x41, cdata, sizeof(cdata));
dev_info(&priv->i2c->dev,
"HELENE tuner x_pon done\n");
return 0;
}
struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
const struct helene_config *config,
struct i2c_adapter *i2c)
{
struct helene_priv *priv = NULL;
priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
if (priv == NULL)
return NULL;
priv->i2c_address = (config->i2c_address >> 1);
priv->i2c = i2c;
priv->set_tuner_data = config->set_tuner_priv;
priv->set_tuner = config->set_tuner_callback;
priv->xtal = config->xtal;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (helene_x_pon(priv) != 0) {
kfree(priv);
return NULL;
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_s,
sizeof(struct dvb_tuner_ops));
fe->tuner_priv = priv;
dev_info(&priv->i2c->dev,
"Sony HELENE Sat attached on addr=%x at I2C adapter %p\n",
priv->i2c_address, priv->i2c);
return fe;
}
EXPORT_SYMBOL(helene_attach_s);
struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
const struct helene_config *config,
struct i2c_adapter *i2c)
{
struct helene_priv *priv = NULL;
priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
if (priv == NULL)
return NULL;
priv->i2c_address = (config->i2c_address >> 1);
priv->i2c = i2c;
priv->set_tuner_data = config->set_tuner_priv;
priv->set_tuner = config->set_tuner_callback;
priv->xtal = config->xtal;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (helene_x_pon(priv) != 0) {
kfree(priv);
return NULL;
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_t,
sizeof(struct dvb_tuner_ops));
fe->tuner_priv = priv;
dev_info(&priv->i2c->dev,
"Sony HELENE Ter attached on addr=%x at I2C adapter %p\n",
priv->i2c_address, priv->i2c);
return fe;
}
EXPORT_SYMBOL(helene_attach);
static int helene_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct helene_config *config = client->dev.platform_data;
struct dvb_frontend *fe = config->fe;
struct device *dev = &client->dev;
struct helene_priv *priv;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->i2c_address = client->addr;
priv->i2c = client->adapter;
priv->set_tuner_data = config->set_tuner_priv;
priv->set_tuner = config->set_tuner_callback;
priv->xtal = config->xtal;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (helene_x_pon(priv) != 0)
return -EINVAL;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
memcpy(&fe->ops.tuner_ops, &helene_tuner_ops,
sizeof(struct dvb_tuner_ops));
fe->tuner_priv = priv;
i2c_set_clientdata(client, priv);
dev_info(dev, "Sony HELENE attached on addr=%x at I2C adapter %p\n",
priv->i2c_address, priv->i2c);
return 0;
}
static const struct i2c_device_id helene_id[] = {
{ "helene", },
{}
};
MODULE_DEVICE_TABLE(i2c, helene_id);
static struct i2c_driver helene_driver = {
.driver = {
.name = "helene",
},
.probe = helene_probe,
.id_table = helene_id,
};
module_i2c_driver(helene_driver);
MODULE_DESCRIPTION("Sony HELENE Sat/Ter tuner driver");
MODULE_AUTHOR("Abylay Ospan <aospan@netup.ru>");
MODULE_LICENSE("GPL");
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