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