summaryrefslogtreecommitdiff
path: root/drivers/media/dvb-frontends/stb6100_proc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb-frontends/stb6100_proc.h')
-rw-r--r--drivers/media/dvb-frontends/stb6100_proc.h138
1 files changed, 138 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 000000000000..112163a48622
--- /dev/null
+++ b/drivers/media/dvb-frontends/stb6100_proc.h
@@ -0,0 +1,138 @@
+/*
+ STB6100 Silicon Tuner wrapper
+ Copyright (C)2009 Igor M. Liplianin (liplianin@me.by)
+
+ 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.
+*/
+
+static int stb6100_get_freq(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct dvb_frontend_ops *frontend_ops = NULL;
+ struct dvb_tuner_ops *tuner_ops = NULL;
+ struct tuner_state state;
+ int err = 0;
+
+ if (&fe->ops)
+ frontend_ops = &fe->ops;
+ if (&frontend_ops->tuner_ops)
+ tuner_ops = &frontend_ops->tuner_ops;
+ if (tuner_ops->get_state) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->get_state(fe, DVBFE_TUNER_FREQUENCY, &state);
+ 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);
+
+ *frequency = state.frequency;
+ }
+
+ return 0;
+}
+
+static int stb6100_set_freq(struct dvb_frontend *fe, u32 frequency)
+{
+ struct dvb_frontend_ops *frontend_ops = NULL;
+ struct dvb_tuner_ops *tuner_ops = NULL;
+ struct tuner_state state;
+ int err = 0;
+
+ state.frequency = frequency;
+ if (&fe->ops)
+ frontend_ops = &fe->ops;
+ if (&frontend_ops->tuner_ops)
+ tuner_ops = &frontend_ops->tuner_ops;
+ if (tuner_ops->set_state) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->set_state(fe, DVBFE_TUNER_FREQUENCY, &state);
+ 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_get_bandw(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct dvb_frontend_ops *frontend_ops = NULL;
+ struct dvb_tuner_ops *tuner_ops = NULL;
+ struct tuner_state state;
+ int err = 0;
+
+ if (&fe->ops)
+ frontend_ops = &fe->ops;
+ if (&frontend_ops->tuner_ops)
+ tuner_ops = &frontend_ops->tuner_ops;
+ if (tuner_ops->get_state) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->get_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
+ 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);
+
+ *bandwidth = state.bandwidth;
+ }
+
+ return 0;
+}
+
+static int stb6100_set_bandw(struct dvb_frontend *fe, u32 bandwidth)
+{
+ struct dvb_frontend_ops *frontend_ops = NULL;
+ struct dvb_tuner_ops *tuner_ops = NULL;
+ struct tuner_state state;
+ int err = 0;
+
+ state.bandwidth = bandwidth;
+ if (&fe->ops)
+ frontend_ops = &fe->ops;
+ if (&frontend_ops->tuner_ops)
+ tuner_ops = &frontend_ops->tuner_ops;
+ if (tuner_ops->set_state) {
+ if (frontend_ops->i2c_gate_ctrl)
+ frontend_ops->i2c_gate_ctrl(fe, 1);
+
+ err = tuner_ops->set_state(fe, DVBFE_TUNER_BANDWIDTH, &state);
+ 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;
+}