// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Panasonic MN88472 DVB-T/T2/C demodulator driver
 *
 * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
 */

#include "mn88472_priv.h"

static int mn88472_get_tune_settings(struct dvb_frontend *fe,
                                     struct dvb_frontend_tune_settings *s)
{
        s->min_delay_ms = 1000;
        return 0;
}

static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
        struct i2c_client *client = fe->demodulator_priv;
        struct mn88472_dev *dev = i2c_get_clientdata(client);
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int ret, i, stmp;
        unsigned int utmp, utmp1, utmp2;
        u8 buf[5];

        if (!dev->active) {
                ret = -EAGAIN;
                goto err;
        }

        switch (c->delivery_system) {
        case SYS_DVBT:
                ret = regmap_read(dev->regmap[0], 0x7f, &utmp);
                if (ret)
                        goto err;
                if ((utmp & 0x0f) >= 0x09)
                        *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
                                  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
                else
                        *status = 0;
                break;
        case SYS_DVBT2:
                ret = regmap_read(dev->regmap[2], 0x92, &utmp);
                if (ret)
                        goto err;
                if ((utmp & 0x0f) >= 0x0d)
                        *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
                                  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
                else if ((utmp & 0x0f) >= 0x0a)
                        *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
                                  FE_HAS_VITERBI;
                else if ((utmp & 0x0f) >= 0x07)
                        *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
                else
                        *status = 0;
                break;
        case SYS_DVBC_ANNEX_A:
                ret = regmap_read(dev->regmap[1], 0x84, &utmp);
                if (ret)
                        goto err;
                if ((utmp & 0x0f) >= 0x08)
                        *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
                                  FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
                else
                        *status = 0;
                break;
        default:
                ret = -EINVAL;
                goto err;
        }

        /* Signal strength */
        if (*status & FE_HAS_SIGNAL) {
                for (i = 0; i < 2; i++) {
                        ret = regmap_bulk_read(dev->regmap[2], 0x8e + i,
                                               &buf[i], 1);
                        if (ret)
                                goto err;
                }

                utmp1 = buf[0] << 8 | buf[1] << 0 | buf[0] >> 2;
                dev_dbg(&client->dev, "strength=%u\n", utmp1);

                c->strength.stat[0].scale = FE_SCALE_RELATIVE;
                c->strength.stat[0].uvalue = utmp1;
        } else {
                c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
        }

        /* CNR */
        if (*status & FE_HAS_VITERBI && c->delivery_system == SYS_DVBT) {
                /* DVB-T CNR */
                ret = regmap_bulk_read(dev->regmap[0], 0x9c, buf, 2);
                if (ret)
                        goto err;

                utmp = buf[0] << 8 | buf[1] << 0;
                if (utmp) {
                        /* CNR[dB]: 10 * log10(65536 / value) + 2 */
                        /* log10(65536) = 80807124, 0.2 = 3355443 */
                        stmp = ((u64)80807124 - intlog10(utmp) + 3355443)
                               * 10000 >> 24;

                        dev_dbg(&client->dev, "cnr=%d value=%u\n", stmp, utmp);
                } else {
                        stmp = 0;
                }

                c->cnr.stat[0].svalue = stmp;
                c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
        } else if (*status & FE_HAS_VITERBI &&
                   c->delivery_system == SYS_DVBT2) {
                /* DVB-T2 CNR */
                for (i = 0; i < 3; i++) {
                        ret = regmap_bulk_read(dev->regmap[2], 0xbc + i,
                                               &buf[i], 1);
                        if (ret)
                                goto err;
                }

                utmp = buf[1] << 8 | buf[2] << 0;
                utmp1 = (buf[0] >> 2) & 0x01; /* 0=SISO, 1=MISO */
                if (utmp) {
                        if (utmp1) {
                                /* CNR[dB]: 10 * log10(16384 / value) - 6 */
                                /* log10(16384) = 70706234, 0.6 = 10066330 */
                                stmp = ((u64)70706234 - intlog10(utmp)
                                       - 10066330) * 10000 >> 24;
                                dev_dbg(&client->dev, "cnr=%d value=%u MISO\n",
                                        stmp, utmp);
                        } else {
                                /* CNR[dB]: 10 * log10(65536 / value) + 2 */
                                /* log10(65536) = 80807124, 0.2 = 3355443 */
                                stmp = ((u64)80807124 - intlog10(utmp)
                                       + 3355443) * 10000 >> 24;

                                dev_dbg(&client->dev, "cnr=%d value=%u SISO\n",
                                        stmp, utmp);
                        }
                } else {
                        stmp = 0;
                }

                c->cnr.stat[0].svalue = stmp;
                c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
        } else if (*status & FE_HAS_VITERBI &&
                   c->delivery_system == SYS_DVBC_ANNEX_A) {
                /* DVB-C CNR */
                ret = regmap_bulk_read(dev->regmap[1], 0xa1, buf, 4);
                if (ret)
                        goto err;

                utmp1 = buf[0] << 8 | buf[1] << 0; /* signal */
                utmp2 = buf[2] << 8 | buf[3] << 0; /* noise */
                if (utmp1 && utmp2) {
                        /* CNR[dB]: 10 * log10(8 * (signal / noise)) */
                        /* log10(8) = 15151336 */
                        stmp = ((u64)15151336 + intlog10(utmp1)
                               - intlog10(utmp2)) * 10000 >> 24;

                        dev_dbg(&client->dev, "cnr=%d signal=%u noise=%u\n",
                                stmp, utmp1, utmp2);
                } else {
                        stmp = 0;
                }

                c->cnr.stat[0].svalue = stmp;
                c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
        } else {
                c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
        }

        /* PER */
        if (*status & FE_HAS_SYNC) {
                ret = regmap_bulk_read(dev->regmap[0], 0xe1, buf, 4);
                if (ret)
                        goto err;

                utmp1 = buf[0] << 8 | buf[1] << 0;
                utmp2 = buf[2] << 8 | buf[3] << 0;
                dev_dbg(&client->dev, "block_error=%u block_count=%u\n",
                        utmp1, utmp2);

                c->block_error.stat[0].scale = FE_SCALE_COUNTER;
                c->block_error.stat[0].uvalue += utmp1;
                c->block_count.stat[0].scale = FE_SCALE_COUNTER;
                c->block_count.stat[0].uvalue += utmp2;
        } else {
                c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
                c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
        }

        return 0;
err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
        return ret;
}

static int mn88472_set_frontend(struct dvb_frontend *fe)
{
        struct i2c_client *client = fe->demodulator_priv;
        struct mn88472_dev *dev = i2c_get_clientdata(client);
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int ret, i;
        unsigned int utmp;
        u32 if_frequency;
        u8 buf[3], delivery_system_val, bandwidth_val, *bandwidth_vals_ptr;
        u8 reg_bank0_b4_val, reg_bank0_cd_val, reg_bank0_d4_val;
        u8 reg_bank0_d6_val;

        dev_dbg(&client->dev,
                "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n",
                c->delivery_system, c->modulation, c->frequency,
                c->bandwidth_hz, c->symbol_rate, c->inversion, c->stream_id);

        if (!dev->active) {
                ret = -EAGAIN;
                goto err;
        }

        switch (c->delivery_system) {
        case SYS_DVBT:
                delivery_system_val = 0x02;
                reg_bank0_b4_val = 0x00;
                reg_bank0_cd_val = 0x1f;
                reg_bank0_d4_val = 0x0a;
                reg_bank0_d6_val = 0x48;
                break;
        case SYS_DVBT2:
                delivery_system_val = 0x03;
                reg_bank0_b4_val = 0xf6;
                reg_bank0_cd_val = 0x01;
                reg_bank0_d4_val = 0x09;
                reg_bank0_d6_val = 0x46;
                break;
        case SYS_DVBC_ANNEX_A:
                delivery_system_val = 0x04;
                reg_bank0_b4_val = 0x00;
                reg_bank0_cd_val = 0x17;
                reg_bank0_d4_val = 0x09;
                reg_bank0_d6_val = 0x48;
                break;
        default:
                ret = -EINVAL;
                goto err;
        }

        switch (c->delivery_system) {
        case SYS_DVBT:
        case SYS_DVBT2:
                switch (c->bandwidth_hz) {
                case 5000000:
                        bandwidth_vals_ptr = "\xe5\x99\x9a\x1b\xa9\x1b\xa9";
                        bandwidth_val = 0x03;
                        break;
                case 6000000:
                        bandwidth_vals_ptr = "\xbf\x55\x55\x15\x6b\x15\x6b";
                        bandwidth_val = 0x02;
                        break;
                case 7000000:
                        bandwidth_vals_ptr = "\xa4\x00\x00\x0f\x2c\x0f\x2c";
                        bandwidth_val = 0x01;
                        break;
                case 8000000:
                        bandwidth_vals_ptr = "\x8f\x80\x00\x08\xee\x08\xee";
                        bandwidth_val = 0x00;
                        break;
                default:
                        ret = -EINVAL;
                        goto err;
                }
                break;
        case SYS_DVBC_ANNEX_A:
                bandwidth_vals_ptr = NULL;
                bandwidth_val = 0x00;
                break;
        default:
                break;
        }

        /* Program tuner */
        if (fe->ops.tuner_ops.set_params) {
                ret = fe->ops.tuner_ops.set_params(fe);
                if (ret)
                        goto err;
        }

        if (fe->ops.tuner_ops.get_if_frequency) {
                ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
                if (ret)
                        goto err;

                dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
        } else {
                ret = -EINVAL;
                goto err;
        }

        ret = regmap_write(dev->regmap[2], 0x00, 0x66);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x01, 0x00);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x02, 0x01);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x04, bandwidth_val);
        if (ret)
                goto err;

        /* IF */
        utmp = DIV_ROUND_CLOSEST_ULL((u64)if_frequency * 0x1000000, dev->clk);
        buf[0] = (utmp >> 16) & 0xff;
        buf[1] = (utmp >>  8) & 0xff;
        buf[2] = (utmp >>  0) & 0xff;
        for (i = 0; i < 3; i++) {
                ret = regmap_write(dev->regmap[2], 0x10 + i, buf[i]);
                if (ret)
                        goto err;
        }

        /* Bandwidth */
        if (bandwidth_vals_ptr) {
                for (i = 0; i < 7; i++) {
                        ret = regmap_write(dev->regmap[2], 0x13 + i,
                                           bandwidth_vals_ptr[i]);
                        if (ret)
                                goto err;
                }
        }

        ret = regmap_write(dev->regmap[0], 0xb4, reg_bank0_b4_val);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[0], 0xcd, reg_bank0_cd_val);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[0], 0xd4, reg_bank0_d4_val);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[0], 0xd6, reg_bank0_d6_val);
        if (ret)
                goto err;

        switch (c->delivery_system) {
        case SYS_DVBT:
                ret = regmap_write(dev->regmap[0], 0x07, 0x26);
                if (ret)
                        goto err;
                ret = regmap_write(dev->regmap[0], 0x00, 0xba);
                if (ret)
                        goto err;
                ret = regmap_write(dev->regmap[0], 0x01, 0x13);
                if (ret)
                        goto err;
                break;
        case SYS_DVBT2:
                ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
                if (ret)
                        goto err;
                ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
                if (ret)
                        goto err;
                ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
                if (ret)
                        goto err;
                ret = regmap_write(dev->regmap[2], 0x32,
                                (c->stream_id == NO_STREAM_ID_FILTER) ? 0 :
                                c->stream_id );
                if (ret)
                        goto err;
                break;
        case SYS_DVBC_ANNEX_A:
                break;
        default:
                break;
        }

        /* Reset FSM */
        ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
        if (ret)
                goto err;

        return 0;
err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
        return ret;
}

static int mn88472_init(struct dvb_frontend *fe)
{
        struct i2c_client *client = fe->demodulator_priv;
        struct mn88472_dev *dev = i2c_get_clientdata(client);
        int ret, len, rem;
        unsigned int utmp;
        const struct firmware *firmware;
        const char *name = MN88472_FIRMWARE;

        dev_dbg(&client->dev, "\n");

        /* Power up */
        ret = regmap_write(dev->regmap[2], 0x05, 0x00);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x0c, 0x00);
        if (ret)
                goto err;

        /* Check if firmware is already running */
        ret = regmap_read(dev->regmap[0], 0xf5, &utmp);
        if (ret)
                goto err;
        if (!(utmp & 0x01))
                goto warm;

        ret = request_firmware(&firmware, name, &client->dev);
        if (ret) {
                dev_err(&client->dev, "firmware file '%s' not found\n", name);
                goto err;
        }

        dev_info(&client->dev, "downloading firmware from file '%s'\n", name);

        ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
        if (ret)
                goto err_release_firmware;

        for (rem = firmware->size; rem > 0; rem -= (dev->i2c_write_max - 1)) {
                len = min(dev->i2c_write_max - 1, rem);
                ret = regmap_bulk_write(dev->regmap[0], 0xf6,
                                        &firmware->data[firmware->size - rem],
                                        len);
                if (ret) {
                        dev_err(&client->dev, "firmware download failed %d\n",
                                ret);
                        goto err_release_firmware;
                }
        }

        /* Parity check of firmware */
        ret = regmap_read(dev->regmap[0], 0xf8, &utmp);
        if (ret)
                goto err_release_firmware;
        if (utmp & 0x10) {
                ret = -EINVAL;
                dev_err(&client->dev, "firmware did not run\n");
                goto err_release_firmware;
        }

        ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
        if (ret)
                goto err_release_firmware;

        release_firmware(firmware);
warm:
        /* TS config */
        switch (dev->ts_mode) {
        case SERIAL_TS_MODE:
                utmp = 0x1d;
                break;
        case PARALLEL_TS_MODE:
                utmp = 0x00;
                break;
        default:
                ret = -EINVAL;
                goto err;
        }
        ret = regmap_write(dev->regmap[2], 0x08, utmp);
        if (ret)
                goto err;

        switch (dev->ts_clk) {
        case VARIABLE_TS_CLOCK:
                utmp = 0xe3;
                break;
        case FIXED_TS_CLOCK:
                utmp = 0xe1;
                break;
        default:
                ret = -EINVAL;
                goto err;
        }
        ret = regmap_write(dev->regmap[0], 0xd9, utmp);
        if (ret)
                goto err;

        dev->active = true;

        return 0;
err_release_firmware:
        release_firmware(firmware);
err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
        return ret;
}

static int mn88472_sleep(struct dvb_frontend *fe)
{
        struct i2c_client *client = fe->demodulator_priv;
        struct mn88472_dev *dev = i2c_get_clientdata(client);
        int ret;

        dev_dbg(&client->dev, "\n");

        /* Power down */
        ret = regmap_write(dev->regmap[2], 0x0c, 0x30);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
        if (ret)
                goto err;
        ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
        if (ret)
                goto err;

        return 0;
err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
        return ret;
}

static const struct dvb_frontend_ops mn88472_ops = {
        .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
        .info = {
                .name = "Panasonic MN88472",
                .symbol_rate_min = 1000000,
                .symbol_rate_max = 7200000,
                .caps = FE_CAN_FEC_1_2                 |
                        FE_CAN_FEC_2_3                 |
                        FE_CAN_FEC_3_4                 |
                        FE_CAN_FEC_5_6                 |
                        FE_CAN_FEC_7_8                 |
                        FE_CAN_FEC_AUTO                |
                        FE_CAN_QPSK                    |
                        FE_CAN_QAM_16                  |
                        FE_CAN_QAM_32                  |
                        FE_CAN_QAM_64                  |
                        FE_CAN_QAM_128                 |
                        FE_CAN_QAM_256                 |
                        FE_CAN_QAM_AUTO                |
                        FE_CAN_TRANSMISSION_MODE_AUTO  |
                        FE_CAN_GUARD_INTERVAL_AUTO     |
                        FE_CAN_HIERARCHY_AUTO          |
                        FE_CAN_MUTE_TS                 |
                        FE_CAN_2G_MODULATION           |
                        FE_CAN_MULTISTREAM
        },

        .get_tune_settings = mn88472_get_tune_settings,

        .init = mn88472_init,
        .sleep = mn88472_sleep,

        .set_frontend = mn88472_set_frontend,

        .read_status = mn88472_read_status,
};

static struct dvb_frontend *mn88472_get_dvb_frontend(struct i2c_client *client)
{
        struct mn88472_dev *dev = i2c_get_clientdata(client);

        dev_dbg(&client->dev, "\n");

        return &dev->fe;
}

static int mn88472_probe(struct i2c_client *client)
{
        struct mn88472_config *pdata = client->dev.platform_data;
        struct mn88472_dev *dev;
        struct dtv_frontend_properties *c;
        int ret;
        unsigned int utmp;
        static const struct regmap_config regmap_config = {
                .reg_bits = 8,
                .val_bits = 8,
        };

        dev_dbg(&client->dev, "\n");

        dev = kzalloc_obj(*dev);
        if (!dev) {
                ret = -ENOMEM;
                goto err;
        }

        dev->i2c_write_max = pdata->i2c_wr_max ? pdata->i2c_wr_max : ~0;
        dev->clk = pdata->xtal;
        dev->ts_mode = pdata->ts_mode;
        dev->ts_clk = pdata->ts_clock;
        dev->client[0] = client;
        dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
        if (IS_ERR(dev->regmap[0])) {
                ret = PTR_ERR(dev->regmap[0]);
                goto err_kfree;
        }

        /*
         * Chip has three I2C addresses for different register banks. Used
         * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
         * 0x1a and 0x1c, in order to get own I2C client for each register bank.
         *
         * Also, register bank 2 do not support sequential I/O. Only single
         * register write or read is allowed to that bank.
         */
        dev->client[1] = i2c_new_dummy_device(client->adapter, 0x1a);
        if (IS_ERR(dev->client[1])) {
                ret = PTR_ERR(dev->client[1]);
                dev_err(&client->dev, "I2C registration failed\n");
                goto err_regmap_0_regmap_exit;
        }
        dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config);
        if (IS_ERR(dev->regmap[1])) {
                ret = PTR_ERR(dev->regmap[1]);
                goto err_client_1_i2c_unregister_device;
        }
        i2c_set_clientdata(dev->client[1], dev);

        dev->client[2] = i2c_new_dummy_device(client->adapter, 0x1c);
        if (IS_ERR(dev->client[2])) {
                ret = PTR_ERR(dev->client[2]);
                dev_err(&client->dev, "2nd I2C registration failed\n");
                goto err_regmap_1_regmap_exit;
        }
        dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config);
        if (IS_ERR(dev->regmap[2])) {
                ret = PTR_ERR(dev->regmap[2]);
                goto err_client_2_i2c_unregister_device;
        }
        i2c_set_clientdata(dev->client[2], dev);

        /* Check demod answers with correct chip id */
        ret = regmap_read(dev->regmap[2], 0xff, &utmp);
        if (ret)
                goto err_regmap_2_regmap_exit;

        dev_dbg(&client->dev, "chip id=%02x\n", utmp);

        if (utmp != 0x02) {
                ret = -ENODEV;
                goto err_regmap_2_regmap_exit;
        }

        /* Sleep because chip is active by default */
        ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
        if (ret)
                goto err_regmap_2_regmap_exit;

        /* Create dvb frontend */
        memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
        dev->fe.demodulator_priv = client;
        *pdata->fe = &dev->fe;
        i2c_set_clientdata(client, dev);

        /* Init stats to indicate which stats are supported */
        c = &dev->fe.dtv_property_cache;
        c->strength.len = 1;
        c->cnr.len = 1;
        c->block_error.len = 1;
        c->block_count.len = 1;

        /* Setup callbacks */
        pdata->get_dvb_frontend = mn88472_get_dvb_frontend;

        dev_info(&client->dev, "Panasonic MN88472 successfully identified\n");

        return 0;
err_regmap_2_regmap_exit:
        regmap_exit(dev->regmap[2]);
err_client_2_i2c_unregister_device:
        i2c_unregister_device(dev->client[2]);
err_regmap_1_regmap_exit:
        regmap_exit(dev->regmap[1]);
err_client_1_i2c_unregister_device:
        i2c_unregister_device(dev->client[1]);
err_regmap_0_regmap_exit:
        regmap_exit(dev->regmap[0]);
err_kfree:
        kfree(dev);
err:
        dev_dbg(&client->dev, "failed=%d\n", ret);
        return ret;
}

static void mn88472_remove(struct i2c_client *client)
{
        struct mn88472_dev *dev = i2c_get_clientdata(client);

        dev_dbg(&client->dev, "\n");

        regmap_exit(dev->regmap[2]);
        i2c_unregister_device(dev->client[2]);

        regmap_exit(dev->regmap[1]);
        i2c_unregister_device(dev->client[1]);

        regmap_exit(dev->regmap[0]);

        kfree(dev);
}

static const struct i2c_device_id mn88472_id_table[] = {
        { .name = "mn88472" },
        { }
};
MODULE_DEVICE_TABLE(i2c, mn88472_id_table);

static struct i2c_driver mn88472_driver = {
        .driver = {
                .name = "mn88472",
                .suppress_bind_attrs = true,
        },
        .probe    = mn88472_probe,
        .remove   = mn88472_remove,
        .id_table = mn88472_id_table,
};

module_i2c_driver(mn88472_driver);

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(MN88472_FIRMWARE);