Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Antti Palosaari | 1209 | 98.13% | 9 | 64.29% |
Uwe Kleine-König | 13 | 1.06% | 3 | 21.43% |
Mauro Carvalho Chehab | 8 | 0.65% | 1 | 7.14% |
Thomas Gleixner | 2 | 0.16% | 1 | 7.14% |
Total | 1232 | 14 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Infineon TUA9001 silicon tuner driver * * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> */ #include "tua9001_priv.h" static int tua9001_init(struct dvb_frontend *fe) { struct tua9001_dev *dev = fe->tuner_priv; struct i2c_client *client = dev->client; int ret, i; static const struct tua9001_reg_val data[] = { {0x1e, 0x6512}, {0x25, 0xb888}, {0x39, 0x5460}, {0x3b, 0x00c0}, {0x3a, 0xf000}, {0x08, 0x0000}, {0x32, 0x0030}, {0x41, 0x703a}, {0x40, 0x1c78}, {0x2c, 0x1c00}, {0x36, 0xc013}, {0x37, 0x6f18}, {0x27, 0x0008}, {0x2a, 0x0001}, {0x34, 0x0a40}, }; dev_dbg(&client->dev, "\n"); if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RESETN, 0); if (ret) goto err; } for (i = 0; i < ARRAY_SIZE(data); i++) { ret = regmap_write(dev->regmap, data[i].reg, data[i].val); if (ret) goto err; } return 0; err: dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static int tua9001_sleep(struct dvb_frontend *fe) { struct tua9001_dev *dev = fe->tuner_priv; struct i2c_client *client = dev->client; int ret; dev_dbg(&client->dev, "\n"); if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RESETN, 1); if (ret) goto err; } return 0; err: dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static int tua9001_set_params(struct dvb_frontend *fe) { struct tua9001_dev *dev = fe->tuner_priv; struct i2c_client *client = dev->client; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret, i; u16 val; struct tua9001_reg_val data[2]; dev_dbg(&client->dev, "delivery_system=%u frequency=%u bandwidth_hz=%u\n", c->delivery_system, c->frequency, c->bandwidth_hz); switch (c->delivery_system) { case SYS_DVBT: switch (c->bandwidth_hz) { case 8000000: val = 0x0000; break; case 7000000: val = 0x1000; break; case 6000000: val = 0x2000; break; case 5000000: val = 0x3000; break; default: ret = -EINVAL; goto err; } break; default: ret = -EINVAL; goto err; } data[0].reg = 0x04; data[0].val = val; data[1].reg = 0x1f; data[1].val = div_u64((u64) (c->frequency - 150000000) * 48, 1000000); if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RXEN, 0); if (ret) goto err; } for (i = 0; i < ARRAY_SIZE(data); i++) { ret = regmap_write(dev->regmap, data[i].reg, data[i].val); if (ret) goto err; } if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RXEN, 1); if (ret) goto err; } return 0; err: dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static int tua9001_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) { struct tua9001_dev *dev = fe->tuner_priv; struct i2c_client *client = dev->client; dev_dbg(&client->dev, "\n"); *frequency = 0; /* Zero-IF */ return 0; } static const struct dvb_tuner_ops tua9001_tuner_ops = { .info = { .name = "Infineon TUA9001", .frequency_min_hz = 170 * MHz, .frequency_max_hz = 862 * MHz, }, .init = tua9001_init, .sleep = tua9001_sleep, .set_params = tua9001_set_params, .get_if_frequency = tua9001_get_if_frequency, }; static int tua9001_probe(struct i2c_client *client) { struct tua9001_dev *dev; struct tua9001_platform_data *pdata = client->dev.platform_data; struct dvb_frontend *fe = pdata->dvb_frontend; int ret; static const struct regmap_config regmap_config = { .reg_bits = 8, .val_bits = 16, }; dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) { ret = -ENOMEM; goto err; } dev->fe = pdata->dvb_frontend; dev->client = client; dev->regmap = devm_regmap_init_i2c(client, ®map_config); if (IS_ERR(dev->regmap)) { ret = PTR_ERR(dev->regmap); goto err_kfree; } if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_CEN, 1); if (ret) goto err_kfree; ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RXEN, 0); if (ret) goto err_kfree; ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_RESETN, 1); if (ret) goto err_kfree; } fe->tuner_priv = dev; memcpy(&fe->ops.tuner_ops, &tua9001_tuner_ops, sizeof(struct dvb_tuner_ops)); i2c_set_clientdata(client, dev); dev_info(&client->dev, "Infineon TUA9001 successfully attached\n"); return 0; err_kfree: kfree(dev); err: dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static void tua9001_remove(struct i2c_client *client) { struct tua9001_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->fe; int ret; dev_dbg(&client->dev, "\n"); if (fe->callback) { ret = fe->callback(client->adapter, DVB_FRONTEND_COMPONENT_TUNER, TUA9001_CMD_CEN, 0); if (ret) dev_err(&client->dev, "Tuner disable failed (%pe)\n", ERR_PTR(ret)); } kfree(dev); } static const struct i2c_device_id tua9001_id_table[] = { {"tua9001", 0}, {} }; MODULE_DEVICE_TABLE(i2c, tua9001_id_table); static struct i2c_driver tua9001_driver = { .driver = { .name = "tua9001", .suppress_bind_attrs = true, }, .probe_new = tua9001_probe, .remove = tua9001_remove, .id_table = tua9001_id_table, }; module_i2c_driver(tua9001_driver); MODULE_DESCRIPTION("Infineon TUA9001 silicon tuner driver"); MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_LICENSE("GPL");
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