--- zzzz-none-000/linux-3.10.107/drivers/media/tuners/tua9001.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/media/tuners/tua9001.c 2021-02-04 17:41:59.000000000 +0000 @@ -1,5 +1,5 @@ /* - * Infineon TUA 9001 silicon tuner driver + * Infineon TUA9001 silicon tuner driver * * Copyright (C) 2009 Antti Palosaari * @@ -12,138 +12,87 @@ * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include "tua9001.h" #include "tua9001_priv.h" -/* write register */ -static int tua9001_wr_reg(struct tua9001_priv *priv, u8 reg, u16 val) -{ - int ret; - u8 buf[3] = { reg, (val >> 8) & 0xff, (val >> 0) & 0xff }; - struct i2c_msg msg[1] = { - { - .addr = priv->cfg->i2c_addr, - .flags = 0, - .len = sizeof(buf), - .buf = buf, - } - }; - - ret = i2c_transfer(priv->i2c, msg, 1); - if (ret == 1) { - ret = 0; - } else { - dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x\n", - KBUILD_MODNAME, ret, reg); - ret = -EREMOTEIO; - } - - return ret; -} - -static int tua9001_release(struct dvb_frontend *fe) -{ - struct tua9001_priv *priv = fe->tuner_priv; - int ret = 0; - - dev_dbg(&priv->i2c->dev, "%s:\n", __func__); - - if (fe->callback) - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_CEN, 0); - - kfree(fe->tuner_priv); - fe->tuner_priv = NULL; - - return ret; -} - static int tua9001_init(struct dvb_frontend *fe) { - struct tua9001_priv *priv = fe->tuner_priv; - int ret = 0; - u8 i; - struct 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 }, + 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(&priv->i2c->dev, "%s:\n", __func__); + dev_dbg(&client->dev, "\n"); if (fe->callback) { - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RESETN, 0); - if (ret < 0) + ret = fe->callback(client->adapter, + DVB_FRONTEND_COMPONENT_TUNER, + TUA9001_CMD_RESETN, 0); + if (ret) goto err; } - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */ - for (i = 0; i < ARRAY_SIZE(data); i++) { - ret = tua9001_wr_reg(priv, data[i].reg, data[i].val); - if (ret < 0) - goto err_i2c_gate_ctrl; + ret = regmap_write(dev->regmap, data[i].reg, data[i].val); + if (ret) + goto err; } - -err_i2c_gate_ctrl: - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */ + return 0; err: - if (ret < 0) - dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); - + dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static int tua9001_sleep(struct dvb_frontend *fe) { - struct tua9001_priv *priv = fe->tuner_priv; - int ret = 0; - - dev_dbg(&priv->i2c->dev, "%s:\n", __func__); - - if (fe->callback) - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RESETN, 1); + struct tua9001_dev *dev = fe->tuner_priv; + struct i2c_client *client = dev->client; + int ret; - if (ret < 0) - dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, 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_priv *priv = fe->tuner_priv; + struct tua9001_dev *dev = fe->tuner_priv; + struct i2c_client *client = dev->client; struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret = 0, i; + int ret, i; u16 val; - u32 frequency; - struct reg_val data[2]; + struct tua9001_reg_val data[2]; - dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d frequency=%d " \ - "bandwidth_hz=%d\n", __func__, - c->delivery_system, c->frequency, c->bandwidth_hz); + 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: @@ -172,70 +121,54 @@ data[0].reg = 0x04; data[0].val = val; - - frequency = (c->frequency - 150000000); - frequency /= 100; - frequency *= 48; - frequency /= 10000; - data[1].reg = 0x1f; - data[1].val = frequency; - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */ + data[1].val = div_u64((u64) (c->frequency - 150000000) * 48, 1000000); if (fe->callback) { - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RXEN, 0); - if (ret < 0) - goto err_i2c_gate_ctrl; + 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 = tua9001_wr_reg(priv, data[i].reg, data[i].val); - if (ret < 0) - goto err_i2c_gate_ctrl; + ret = regmap_write(dev->regmap, data[i].reg, data[i].val); + if (ret) + goto err; } if (fe->callback) { - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RXEN, 1); - if (ret < 0) - goto err_i2c_gate_ctrl; + ret = fe->callback(client->adapter, + DVB_FRONTEND_COMPONENT_TUNER, + TUA9001_CMD_RXEN, 1); + if (ret) + goto err; } - -err_i2c_gate_ctrl: - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */ + return 0; err: - if (ret < 0) - dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); - + dev_dbg(&client->dev, "failed=%d\n", ret); return ret; } static int tua9001_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) { - struct tua9001_priv *priv = fe->tuner_priv; + struct tua9001_dev *dev = fe->tuner_priv; + struct i2c_client *client = dev->client; - dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + dev_dbg(&client->dev, "\n"); *frequency = 0; /* Zero-IF */ - return 0; } static const struct dvb_tuner_ops tua9001_tuner_ops = { .info = { - .name = "Infineon TUA 9001", - + .name = "Infineon TUA9001", .frequency_min = 170000000, .frequency_max = 862000000, - .frequency_step = 0, }, - .release = tua9001_release, - .init = tua9001_init, .sleep = tua9001_sleep, .set_params = tua9001_set_params, @@ -243,52 +176,107 @@ .get_if_frequency = tua9001_get_if_frequency, }; -struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, - struct i2c_adapter *i2c, struct tua9001_config *cfg) +static int tua9001_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct tua9001_priv *priv = NULL; + 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, + }; - priv = kzalloc(sizeof(struct tua9001_priv), GFP_KERNEL); - if (priv == NULL) - return NULL; + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + ret = -ENOMEM; + goto err; + } - priv->cfg = cfg; - priv->i2c = i2c; + 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(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_CEN, 1); - if (ret < 0) - goto err; - - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RXEN, 0); - if (ret < 0) - goto err; - - ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, - TUA9001_CMD_RESETN, 1); - if (ret < 0) - goto err; + 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; } - dev_info(&priv->i2c->dev, - "%s: Infineon TUA 9001 successfully attached\n", - KBUILD_MODNAME); - + fe->tuner_priv = dev; memcpy(&fe->ops.tuner_ops, &tua9001_tuner_ops, sizeof(struct dvb_tuner_ops)); + i2c_set_clientdata(client, dev); - fe->tuner_priv = priv; - return fe; + dev_info(&client->dev, "Infineon TUA9001 successfully attached\n"); + return 0; +err_kfree: + kfree(dev); err: - dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret); - kfree(priv); - return NULL; + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int 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) + goto err_kfree; + } + kfree(dev); + return 0; +err_kfree: + kfree(dev); + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; } -EXPORT_SYMBOL(tua9001_attach); -MODULE_DESCRIPTION("Infineon TUA 9001 silicon tuner driver"); +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 = 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 "); MODULE_LICENSE("GPL");