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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/dvb-frontends/stb6100_cfg.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/stb6100_cfg.h')
-rw-r--r--drivers/media/dvb-frontends/stb6100_cfg.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/stb6100_cfg.h b/drivers/media/dvb-frontends/stb6100_cfg.h
new file mode 100644
index 000000000..203f9b36c
--- /dev/null
+++ b/drivers/media/dvb-frontends/stb6100_cfg.h
@@ -0,0 +1,99 @@
+/*
+ STB6100 Silicon Tuner
+ Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+ Copyright (C) ST Microelectronics
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/dvb/frontend.h>
+#include <media/dvb_frontend.h>
+
+static int stb6100_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct dvb_frontend_ops *frontend_ops = &fe->ops;
+ struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
+ int err = 0;
+
+ if (tuner_ops->get_frequency) {
+ err = tuner_ops->get_frequency(fe, frequency);
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int stb6100_set_frequency(struct dvb_frontend *fe, u32 frequency)
+{
+ struct dvb_frontend_ops *frontend_ops = &fe->ops;
+ struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ u32 bw = c->bandwidth_hz;
+ int err = 0;
+
+ c->frequency = frequency;
+ c->bandwidth_hz = 0; /* Don't adjust the bandwidth */
+
+ if (tuner_ops->set_params) {
+ err = tuner_ops->set_params(fe);
+ c->bandwidth_hz = bw;
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int stb6100_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct dvb_frontend_ops *frontend_ops = &fe->ops;
+ struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
+ int err = 0;
+
+ if (tuner_ops->get_bandwidth) {
+ err = tuner_ops->get_bandwidth(fe, bandwidth);
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
+{
+ struct dvb_frontend_ops *frontend_ops = &fe->ops;
+ struct dvb_tuner_ops *tuner_ops = &frontend_ops->tuner_ops;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ u32 freq = c->frequency;
+ int err = 0;
+
+ c->bandwidth_hz = bandwidth;
+ c->frequency = 0; /* Don't adjust the frequency */
+
+ if (tuner_ops->set_params) {
+ err = tuner_ops->set_params(fe);
+ c->frequency = freq;
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+ }
+ return 0;
+}