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Diffstat (limited to 'drivers/media/dvb-frontends/stb6100_proc.h')
-rw-r--r--drivers/media/dvb-frontends/stb6100_proc.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/stb6100_proc.h b/drivers/media/dvb-frontends/stb6100_proc.h
new file mode 100644
index 0000000000..af75a40e0f
--- /dev/null
+++ b/drivers/media/dvb-frontends/stb6100_proc.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ STB6100 Silicon Tuner wrapper
+ Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
+
+*/
+
+#include <linux/dvb/frontend.h>
+#include <media/dvb_frontend.h>
+
+static int stb6100_get_freq(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) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->get_frequency(fe, frequency);
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 0);
+ }
+
+ return 0;
+}
+
+static int stb6100_set_freq(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) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->set_params(fe);
+ c->bandwidth_hz = bw;
+ if (err < 0) {
+ printk("%s: Invalid parameter\n", __func__);
+ return err;
+ }
+
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 0);
+
+ }
+
+ return 0;
+}
+
+static int stb6100_get_bandw(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) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->get_bandwidth(fe, bandwidth);
+ if (err < 0) {
+ printk(KERN_ERR "%s: Invalid parameter\n", __func__);
+ return err;
+ }
+
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 0);
+ }
+
+ return 0;
+}
+
+static int stb6100_set_bandw(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) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->set_params(fe);
+ c->frequency = freq;
+ if (err < 0) {
+ printk(KERN_ERR "%s: Invalid parameter\n", __func__);
+ return err;
+ }
+
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 0);
+
+ }
+
+ return 0;
+}