V4L/DVB (6128): hybrid tuner refactoring core changes, phase 1
Prepare tuner-core for conversion of tuner sub-drivers into
dvb_frontend modules
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Mike Isely <isely@pobox.com>
Acked-by: Steven Toth <stoth@hauppauge.com>
Acked-by: Patrick Boettcher <pb@linuxtv.org>
Acked-by: Jarod Wilson <jwilson@redhat.com>
Acked-by: Oliver Endriss <o.endriss@gmx.de>
Acked-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 0363eae..183bbb9 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -70,6 +70,40 @@
/* ---------------------------------------------------------------------- */
+static void fe_set_freq(struct tuner *t, unsigned int freq)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ struct analog_parameters params = {
+ .frequency = freq,
+ .mode = t->mode,
+ .audmode = t->audmode,
+ .std = t->std
+ };
+
+ if (NULL == fe_tuner_ops->set_analog_params) {
+ tuner_warn("Tuner frontend module has no way to set freq\n");
+ return;
+ }
+ fe_tuner_ops->set_analog_params(&t->fe, ¶ms);
+}
+
+static void fe_release(struct tuner *t)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ if (fe_tuner_ops->release)
+ fe_tuner_ops->release(&t->fe);
+}
+
+static void fe_standby(struct tuner *t)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ if (fe_tuner_ops->sleep)
+ fe_tuner_ops->sleep(&t->fe);
+}
+
/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
@@ -171,6 +205,7 @@
int (*tuner_callback) (void *dev, int command,int arg))
{
struct tuner *t = i2c_get_clientdata(c);
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
unsigned char buffer[4];
if (type == UNSET || type == TUNER_ABSENT) {
@@ -258,6 +293,17 @@
break;
}
+ if (fe_tuner_ops->set_analog_params) {
+ strlcpy(t->i2c.name, fe_tuner_ops->info.name, sizeof(t->i2c.name));
+
+ t->ops.set_tv_freq = fe_set_freq;
+ t->ops.set_radio_freq = fe_set_freq;
+ t->ops.standby = fe_standby;
+ t->ops.release = fe_release;
+ }
+
+ tuner_info("type set to %s\n", t->i2c.name);
+
if (t->mode_mask == T_UNINITIALIZED)
t->mode_mask = new_mode_mask;
@@ -429,6 +475,7 @@
static void tuner_status(struct tuner *t)
{
unsigned long freq, freq_fraction;
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
const char *p;
switch (t->mode) {
@@ -449,6 +496,15 @@
tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std);
if (t->mode != V4L2_TUNER_RADIO)
return;
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ if (tuner_status & TUNER_STATUS_LOCKED)
+ tuner_info("Tuner is locked.\n");
+ if (tuner_status & TUNER_STATUS_STEREO)
+ tuner_info("Stereo: yes\n");
+ }
if (t->ops.has_signal) {
tuner_info("Signal strength: %d\n", t->ops.has_signal(t));
}
@@ -634,6 +690,7 @@
static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct tuner *t = i2c_get_clientdata(client);
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
if (tuner_debug>1)
v4l_i2c_print_ioctl(&(t->i2c),cmd);
@@ -720,15 +777,27 @@
return 0;
if (V4L2_TUNER_RADIO == t->mode) {
- if (t->ops.has_signal)
- vt->signal = t->ops.has_signal(t);
- if (t->ops.is_stereo) {
- if (t->ops.is_stereo(t))
- vt->flags |=
- VIDEO_TUNER_STEREO_ON;
- else
- vt->flags &=
- ~VIDEO_TUNER_STEREO_ON;
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ if (tuner_status & TUNER_STATUS_STEREO)
+ vt->flags |= VIDEO_TUNER_STEREO_ON;
+ else
+ vt->flags &= ~VIDEO_TUNER_STEREO_ON;
+ vt->signal = tuner_status & TUNER_STATUS_LOCKED
+ ? 65535 : 0;
+ } else {
+ if (t->ops.is_stereo) {
+ if (t->ops.is_stereo(t))
+ vt->flags |=
+ VIDEO_TUNER_STEREO_ON;
+ else
+ vt->flags &=
+ ~VIDEO_TUNER_STEREO_ON;
+ }
+ if (t->ops.has_signal)
+ vt->signal = t->ops.has_signal(t);
}
vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
@@ -751,9 +820,17 @@
if (check_v4l2(t) == EINVAL)
return 0;
- if (V4L2_TUNER_RADIO == t->mode && t->ops.is_stereo)
- va->mode = t->ops.is_stereo(t)
- ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
+ if (V4L2_TUNER_RADIO == t->mode) {
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ va->mode = (tuner_status & TUNER_STATUS_STEREO)
+ ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
+ } else if (t->ops.is_stereo)
+ va->mode = t->ops.is_stereo(t)
+ ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
+ }
return 0;
}
#endif
@@ -804,6 +881,15 @@
return 0;
switch_v4l2();
f->type = t->mode;
+ if (fe_tuner_ops->get_frequency) {
+ u32 abs_freq;
+
+ fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
+ f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+ (abs_freq * 2 + 125/2) / 125 :
+ (abs_freq + 62500/2) / 62500;
+ break;
+ }
f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
t->radio_freq : t->tv_freq;
break;
@@ -828,16 +914,23 @@
}
/* radio mode */
- if (t->ops.has_signal)
- tuner->signal = t->ops.has_signal(t);
-
tuner->rxsubchans =
V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- if (t->ops.is_stereo) {
- tuner->rxsubchans = t->ops.is_stereo(t) ?
- V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
- }
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ tuner->rxsubchans = (tuner_status & TUNER_STATUS_STEREO) ?
+ V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
+ tuner->signal = tuner_status & TUNER_STATUS_LOCKED ? 65535 : 0;
+ } else {
+ if (t->ops.is_stereo) {
+ tuner->rxsubchans = t->ops.is_stereo(t) ?
+ V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
+ }
+ if (t->ops.has_signal)
+ tuner->signal = t->ops.has_signal(t);
+ }
tuner->capability |=
V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
tuner->audmode = t->audmode;