return 0;
}
-static int fc2580_release(struct dvb_frontend *fe)
-{
- struct fc2580_priv *priv = fe->tuner_priv;
-
- dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
-
- kfree(fe->tuner_priv);
-
- return 0;
-}
-
static const struct dvb_tuner_ops fc2580_tuner_ops = {
.info = {
.name = "FCI FC2580",
.frequency_max = 862000000,
},
- .release = fc2580_release,
-
.init = fc2580_init,
.sleep = fc2580_sleep,
.set_params = fc2580_set_params,
.get_if_frequency = fc2580_get_if_frequency,
};
-struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct fc2580_config *cfg)
-{
- struct fc2580_priv *priv;
- int ret;
- u8 chip_id;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- priv = kzalloc(sizeof(struct fc2580_priv), GFP_KERNEL);
- if (!priv) {
- ret = -ENOMEM;
- dev_err(&i2c->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
- goto err;
- }
-
- priv->clk = cfg->clock;
- priv->i2c = i2c;
- priv->i2c_addr = cfg->i2c_addr;
-
- /* check if the tuner is there */
- ret = fc2580_rd_reg(priv, 0x01, &chip_id);
- if (ret < 0)
- goto err;
-
- dev_dbg(&priv->i2c->dev, "%s: chip_id=%02x\n", __func__, chip_id);
-
- switch (chip_id) {
- case 0x56:
- case 0x5a:
- break;
- default:
- goto err;
- }
-
- dev_info(&priv->i2c->dev,
- "%s: FCI FC2580 successfully identified\n",
- KBUILD_MODNAME);
-
- fe->tuner_priv = priv;
- memcpy(&fe->ops.tuner_ops, &fc2580_tuner_ops,
- sizeof(struct dvb_tuner_ops));
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- return fe;
-err:
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
- kfree(priv);
- return NULL;
-}
-EXPORT_SYMBOL(fc2580_attach);
-
static int fc2580_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
fe->tuner_priv = dev;
memcpy(&fe->ops.tuner_ops, &fc2580_tuner_ops,
sizeof(struct dvb_tuner_ops));
- fe->ops.tuner_ops.release = NULL;
i2c_set_clientdata(client, dev);
dev_info(&client->dev, "FCI FC2580 successfully identified\n");
#ifndef FC2580_H
#define FC2580_H
-#include <linux/kconfig.h>
#include "dvb_frontend.h"
/*
struct dvb_frontend *dvb_frontend;
};
-struct fc2580_config {
- /*
- * I2C address
- * 0x56, ...
- */
- u8 i2c_addr;
-
- /*
- * clock
- */
- u32 clock;
-};
-
-#if IS_REACHABLE(CONFIG_MEDIA_TUNER_FC2580)
-extern struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct fc2580_config *cfg);
-#else
-static inline struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct fc2580_config *cfg)
-{
- pr_warn("%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif
-
#endif