summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends/ts2020.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb-frontends/ts2020.h')
-rw-r--r--drivers/media/dvb-frontends/ts2020.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.h b/drivers/media/dvb-frontends/ts2020.h
new file mode 100644
index 0000000000..84c2dc8c3a
--- /dev/null
+++ b/drivers/media/dvb-frontends/ts2020.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ Montage Technology TS2020 - Silicon Tuner driver
+ Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
+
+ Copyright (C) 2009-2012 TurboSight.com
+
+ */
+
+#ifndef TS2020_H
+#define TS2020_H
+
+#include <linux/dvb/frontend.h>
+
+struct ts2020_config {
+ u8 tuner_address;
+ u32 frequency_div;
+
+ /*
+ * RF loop-through
+ */
+ bool loop_through:1;
+
+ /*
+ * clock output
+ */
+#define TS2020_CLK_OUT_DISABLED 0
+#define TS2020_CLK_OUT_ENABLED 1
+#define TS2020_CLK_OUT_ENABLED_XTALOUT 2
+ u8 clk_out:2;
+
+ /*
+ * clock output divider
+ * 1 - 31
+ */
+ u8 clk_out_div:5;
+
+ /* Set to true to suppress stat polling */
+ bool dont_poll:1;
+
+ /*
+ * pointer to DVB frontend
+ */
+ struct dvb_frontend *fe;
+
+ /*
+ * driver private, do not set value
+ */
+ u8 attach_in_use:1;
+
+ /* Operation to be called by the ts2020 driver to get the value of the
+ * AGC PWM tuner input as theoretically output by the demodulator.
+ */
+ int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm);
+};
+
+/* Do not add new ts2020_attach() users! Use I2C bindings instead. */
+#if IS_REACHABLE(CONFIG_DVB_TS2020)
+extern struct dvb_frontend *ts2020_attach(
+ struct dvb_frontend *fe,
+ const struct ts2020_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *ts2020_attach(
+ struct dvb_frontend *fe,
+ const struct ts2020_config *config,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* TS2020_H */