// SPDX-License-Identifier: GPL-2.0
/*
* c8sectpfe-dvb.c - C8SECTPFE STi DVB driver
*
* Copyright (c) STMicroelectronics 2015
*
* Author Peter Griffin <peter.griffin@linaro.org>
*
*/
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <dt-bindings/media/c8sectpfe.h>
#include "c8sectpfe-common.h"
#include "c8sectpfe-core.h"
#include "c8sectpfe-dvb.h"
#include "dvb-pll.h"
#include "lnbh24.h"
#include "stv0367.h"
#include "stv0367_priv.h"
#include "stv6110x.h"
#include "stv090x.h"
#include "tda18212.h"
static inline const char *dvb_card_str(unsigned int c)
{
switch (c) {
case STV0367_TDA18212_NIMA_1: return "STV0367_TDA18212_NIMA_1";
case STV0367_TDA18212_NIMA_2: return "STV0367_TDA18212_NIMA_2";
case STV0367_TDA18212_NIMB_1: return "STV0367_TDA18212_NIMB_1";
case STV0367_TDA18212_NIMB_2: return "STV0367_TDA18212_NIMB_2";
case STV0903_6110_LNB24_NIMA: return "STV0903_6110_LNB24_NIMA";
case STV0903_6110_LNB24_NIMB: return "STV0903_6110_LNB24_NIMB";
default: return "unknown dvb frontend card";
}
}
static struct stv090x_config stv090x_config = {
.device = STV0903,
.demod_mode = STV090x_SINGLE,
.clk_mode = STV090x_CLK_EXT,
.xtal = 16000000,
.address = 0x69,
.ts1_mode = STV090x_TSMODE_SERIAL_CONTINUOUS,
.ts2_mode = STV090x_TSMODE_SERIAL_CONTINUOUS,
.repeater_level = STV090x_RPTLEVEL_64,
.tuner_init = NULL,
.tuner_set_mode = NULL,
.tuner_set_frequency = NULL,
.tuner_get_frequency = NULL,
.tuner_set_bandwidth = NULL,
.tuner_get_bandwidth = NULL,
.tuner_set_bbgain = NULL,
.tuner_get_bbgain = NULL,
.tuner_set_refclk = NULL,
.tuner_get_status = NULL,
};
static struct stv6110x_config stv6110x_config = {
.addr = 0x60,
.refclk = 16000000,
};
#define NIMA 0
#define NIMB 1
static struct stv0367_config stv0367_tda18212_config[] = {
{
.demod_address = 0x1c,
.xtal = 16000000,
.if_khz = 4500,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
}, {
.demod_address = 0x1d,
.xtal = 16000000,
.if_khz = 4500,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
}, {
.demod_address = 0x1e,
.xtal = 16000000,
.if_khz = 4500,
.if_iq_mode = FE_TER_NORMAL_IF_TUNER,
.ts_mode = STV0367_SERIAL_PUNCT_CLOCK,
.clk_pol = STV0367_CLOCKPOLARITY_DEFAULT,
},
};
static struct tda18212_config tda18212_conf = {
.if_dvbt_6 = 4150,
.if_dvbt_7 = 4150,
.if_dvbt_8 = 4500,
.if_dvbc = 5000,
};
int c8sectpfe_frontend_attach(struct dvb_frontend **fe,
struct c8sectpfe *c8sectpfe,
struct channel_info *tsin, int chan_num)
{
struct tda18212_config *tda18212;
const struct stv6110x_devctl *fe2;
struct i2c_client *client;
struct i2c_board_info tda18212_info = {
.type = "tda18212",
.addr = 0x60,
};
if (!tsin)
return -EINVAL;
switch (tsin->dvb_card) {
case STV0367_TDA18212_NIMA_1:
case STV0367_TDA18212_NIMA_2:
case STV0367_TDA18212_NIMB_1:
case STV0367_TDA18212_NIMB_2:
if (tsin->dvb_card == STV0367_TDA18212_NIMA_1)
*fe = dvb_attach(stv0367ter_attach,
&stv0367_tda18212_config[0],
tsin->i2c_adapter);
else if (tsin->dvb_card == STV0367_TDA18212_NIMB_1)
*fe = dvb_attach(stv0367ter_attach,
&stv0367_tda18212_config[1],
tsin->i2c_adapter);
else
*fe = dvb_attach(stv0367ter_attach,
&stv0367_tda18212_config[2],
tsin->i2c_adapter);
if (!*fe) {
dev_err(c8sectpfe->device,
"%s: stv0367ter_attach failed for NIM card %s\n"
, __func__, dvb_card_str(tsin->dvb_card));
return -ENODEV;
}
/*
* init the demod so that i2c gate_ctrl
* to the tuner works correctly
*/
(*fe)->ops.init(*fe);
/* Allocate the tda18212 structure */
tda18212 = devm_kzalloc(c8sectpfe->device,
sizeof(struct tda18212_config),
GFP_KERNEL);
if (!tda18212) {
dev_err(c8sectpfe->device,
"%s: devm_kzalloc failed\n", __func__);
return -ENOMEM;
}
memcpy(tda18212, &tda18212_conf,
sizeof(struct tda18212_config));
tda18212->fe = (*fe);
tda18212_info.platform_data = tda18212;
/* attach tuner */
request_module("tda18212");
client = i2c_new_client_device(tsin->i2c_adapter,
&tda18212_info);
if (!i2c_client_has_driver(client)) {
dvb_frontend_detach(*fe);
return -ENODEV;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dvb_frontend_detach(*fe);
return -ENODEV;
}
tsin->i2c_client = client;
break;
case STV0903_6110_LNB24_NIMA:
*fe = dvb_attach(stv090x_attach, &stv090x_config,
tsin->i2c_adapter, STV090x_DEMODULATOR_0);
if (!*fe) {
dev_err(c8sectpfe->device, "%s: stv090x_attach failed\n"
"\tfor NIM card %s\n",
__func__, dvb_card_str(tsin->dvb_card));
return -ENODEV;
}
fe2 = dvb_attach(stv6110x_attach, *fe,
&stv6110x_config, tsin->i2c_adapter);
if (!fe2) {
dev_err(c8sectpfe->device,
"%s: stv6110x_attach failed for NIM card %s\n"
, __func__, dvb_card_str(tsin->dvb_card));
return -ENODEV;
}
stv090x_config.tuner_init = fe2->tuner_init;
stv090x_config.tuner_set_mode = fe2->tuner_set_mode;
stv090x_config.tuner_set_frequency = fe2->tuner_set_frequency;
stv090x_config.tuner_get_frequency = fe2->tuner_get_frequency;
stv090x_config.tuner_set_bandwidth = fe2->tuner_set_bandwidth;
stv090x_config.tuner_get_bandwidth = fe2->tuner_get_bandwidth;
stv090x_config.tuner_set_bbgain = fe2->tuner_set_bbgain;
stv090x_config.tuner_get_bbgain = fe2->tuner_get_bbgain;
stv090x_config.tuner_set_refclk = fe2->tuner_set_refclk;
stv090x_config.tuner_get_status = fe2->tuner_get_status;
dvb_attach(lnbh24_attach, *fe, tsin->i2c_adapter, 0, 0, 0x9);
break;
default:
dev_err(c8sectpfe->device,
"%s: DVB frontend card %s not yet supported\n",
__func__, dvb_card_str(tsin->dvb_card));
return -ENODEV;
}
(*fe)->id = chan_num;
dev_info(c8sectpfe->device,
"DVB frontend card %s successfully attached",
dvb_card_str(tsin->dvb_card));
return 0;
}
