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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/stb6100_cfg.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
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.h87
1 files changed, 87 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..1408c0c44
--- /dev/null
+++ b/drivers/media/dvb-frontends/stb6100_cfg.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ STB6100 Silicon Tuner
+ Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+ Copyright (C) ST Microelectronics
+
+*/
+
+#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;
+}