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path: root/drivers/media/v4l2-core/tuner-core.c
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Diffstat (limited to 'drivers/media/v4l2-core/tuner-core.c')
-rw-r--r--drivers/media/v4l2-core/tuner-core.c103
1 files changed, 53 insertions, 50 deletions
diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c
index b5a819af2b8..06c18ba16fa 100644
--- a/drivers/media/v4l2-core/tuner-core.c
+++ b/drivers/media/v4l2-core/tuner-core.c
@@ -43,7 +43,7 @@
#define UNSET (-1U)
-#define PREFIX (t->i2c->driver->driver.name)
+#define PREFIX (t->i2c->dev.driver->name)
/*
* Driver modprobe parameters
@@ -132,7 +132,7 @@ struct tuner {
bool standby; /* Standby mode */
unsigned int type; /* chip type id */
- unsigned int config;
+ void *config;
const char *name;
};
@@ -218,26 +218,6 @@ static void fe_standby(struct dvb_frontend *fe)
fe_tuner_ops->sleep(fe);
}
-static int fe_has_signal(struct dvb_frontend *fe)
-{
- u16 strength = 0;
-
- if (fe->ops.tuner_ops.get_rf_strength)
- fe->ops.tuner_ops.get_rf_strength(fe, &strength);
-
- return strength;
-}
-
-static int fe_get_afc(struct dvb_frontend *fe)
-{
- s32 afc = 0;
-
- if (fe->ops.tuner_ops.get_afc)
- fe->ops.tuner_ops.get_afc(fe, &afc);
-
- return 0;
-}
-
static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
{
struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
@@ -253,11 +233,9 @@ static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
static void tuner_status(struct dvb_frontend *fe);
-static struct analog_demod_ops tuner_analog_ops = {
+static const struct analog_demod_ops tuner_analog_ops = {
.set_params = fe_set_params,
.standby = fe_standby,
- .has_signal = fe_has_signal,
- .get_afc = fe_get_afc,
.set_config = fe_set_config,
.tuner_status = tuner_status
};
@@ -269,12 +247,11 @@ static struct analog_demod_ops tuner_analog_ops = {
/**
* set_type - Sets the tuner type for a given device
*
- * @c: i2c_client descriptoy
+ * @c: i2c_client descriptor
* @type: type of the tuner (e. g. tuner number)
* @new_mode_mask: Indicates if tuner supports TV and/or Radio
- * @new_config: an optional parameter ranging from 0-255 used by
- a few tuners to adjust an internal parameter,
- like LNA mode
+ * @new_config: an optional parameter used by a few tuners to adjust
+ internal parameters, like LNA mode
* @tuner_callback: an optional function to be called when switching
* to analog mode
*
@@ -282,7 +259,7 @@ static struct analog_demod_ops tuner_analog_ops = {
* by tun_setup structure. It contains several per-tuner initialization "magic"
*/
static void set_type(struct i2c_client *c, unsigned int type,
- unsigned int new_mode_mask, unsigned int new_config,
+ unsigned int new_mode_mask, void *new_config,
int (*tuner_callback) (void *dev, int component, int cmd, int arg))
{
struct tuner *t = to_tuner(i2c_get_clientdata(c));
@@ -297,8 +274,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
}
t->type = type;
- /* prevent invalid config values */
- t->config = new_config < 256 ? new_config : 0;
+ t->config = new_config;
if (tuner_callback != NULL) {
tuner_dbg("defining GPIO callback\n");
t->fe.callback = tuner_callback;
@@ -316,11 +292,8 @@ static void set_type(struct i2c_client *c, unsigned int type,
break;
case TUNER_PHILIPS_TDA8290:
{
- struct tda829x_config cfg = {
- .lna_cfg = t->config,
- };
if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter,
- t->i2c->addr, &cfg))
+ t->i2c->addr, t->config))
goto attach_failed;
break;
}
@@ -409,7 +382,6 @@ static void set_type(struct i2c_client *c, unsigned int type,
case TUNER_NXP_TDA18271:
{
struct tda18271_config cfg = {
- .config = t->config,
.small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
};
@@ -453,6 +425,11 @@ static void set_type(struct i2c_client *c, unsigned int type,
memcpy(analog_ops, &tuner_analog_ops,
sizeof(struct analog_demod_ops));
+ if (fe_tuner_ops->get_rf_strength)
+ analog_ops->has_signal = fe_tuner_ops->get_rf_strength;
+ if (fe_tuner_ops->get_afc)
+ analog_ops->get_afc = fe_tuner_ops->get_afc;
+
} else {
t->name = analog_ops->info.name;
}
@@ -475,7 +452,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
}
tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
- c->adapter->name, c->driver->driver.name, c->addr << 1, type,
+ c->adapter->name, c->dev.driver->name, c->addr << 1, type,
t->mode_mask);
return;
@@ -506,7 +483,7 @@ static int tuner_s_type_addr(struct v4l2_subdev *sd,
struct tuner *t = to_tuner(sd);
struct i2c_client *c = v4l2_get_subdevdata(sd);
- tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
+ tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=%p\n",
tun_setup->type,
tun_setup->addr,
tun_setup->mode_mask,
@@ -579,7 +556,7 @@ static void tuner_lookup(struct i2c_adapter *adap,
int mode_mask;
if (pos->i2c->adapter != adap ||
- strcmp(pos->i2c->driver->driver.name, "tuner"))
+ strcmp(pos->i2c->dev.driver->name, "tuner"))
continue;
mode_mask = pos->mode_mask;
@@ -1013,6 +990,11 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
t->standby = false;
analog_ops->set_params(&t->fe, &params);
+ /*
+ * The tuner driver might decide to change the audmode if it only
+ * supports stereo, so update t->audmode.
+ */
+ t->audmode = params.audmode;
}
/*
@@ -1068,9 +1050,12 @@ static void tuner_status(struct dvb_frontend *fe)
if (tuner_status & TUNER_STATUS_STEREO)
tuner_info("Stereo: yes\n");
}
- if (analog_ops->has_signal)
- tuner_info("Signal strength: %d\n",
- analog_ops->has_signal(fe));
+ if (analog_ops->has_signal) {
+ u16 signal;
+
+ if (!analog_ops->has_signal(fe, &signal))
+ tuner_info("Signal strength: %hu\n", signal);
+ }
}
/*
@@ -1129,7 +1114,7 @@ static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
return 0;
}
-static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+static int tuner_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f)
{
struct tuner *t = to_tuner(sd);
@@ -1188,9 +1173,13 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
if (check_mode(t, vt->type) == -EINVAL)
return 0;
if (vt->type == t->mode && analog_ops->get_afc)
- vt->afc = analog_ops->get_afc(&t->fe);
- if (analog_ops->has_signal)
- vt->signal = analog_ops->has_signal(&t->fe);
+ analog_ops->get_afc(&t->fe, &vt->afc);
+ if (vt->type == t->mode && analog_ops->has_signal) {
+ u16 signal = (u16)vt->signal;
+
+ if (!analog_ops->has_signal(&t->fe, &signal))
+ vt->signal = signal;
+ }
if (vt->type != V4L2_TUNER_RADIO) {
vt->capability |= V4L2_TUNER_CAP_NORM;
vt->rangelow = tv_range[0] * 16;
@@ -1228,15 +1217,25 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
* Note: vt->type should be initialized before calling it.
* This is done by either video_ioctl2 or by the bridge driver.
*/
-static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+static int tuner_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt)
{
struct tuner *t = to_tuner(sd);
if (set_mode(t, vt->type))
return 0;
- if (t->mode == V4L2_TUNER_RADIO)
+ if (t->mode == V4L2_TUNER_RADIO) {
t->audmode = vt->audmode;
+ /*
+ * For radio audmode can only be mono or stereo. Map any
+ * other values to stereo. The actual tuner driver that is
+ * called in set_radio_freq can decide to limit the audmode to
+ * mono if only mono is supported.
+ */
+ if (t->audmode != V4L2_TUNER_MODE_MONO &&
+ t->audmode != V4L2_TUNER_MODE_STEREO)
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ }
set_freq(t, 0);
return 0;
@@ -1302,7 +1301,6 @@ static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg)
static const struct v4l2_subdev_core_ops tuner_core_ops = {
.log_status = tuner_log_status,
- .s_std = tuner_s_std,
.s_power = tuner_s_power,
};
@@ -1316,9 +1314,14 @@ static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = {
.s_config = tuner_s_config,
};
+static const struct v4l2_subdev_video_ops tuner_video_ops = {
+ .s_std = tuner_s_std,
+};
+
static const struct v4l2_subdev_ops tuner_ops = {
.core = &tuner_core_ops,
.tuner = &tuner_tuner_ops,
+ .video = &tuner_video_ops,
};
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 17:36:20 +0000