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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/media/dvb-frontends/cx24120.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/media/dvb-frontends/cx24120.h')
-rw-r--r--drivers/media/dvb-frontends/cx24120.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/cx24120.h b/drivers/media/dvb-frontends/cx24120.h
new file mode 100644
index 000000000..f0970423e
--- /dev/null
+++ b/drivers/media/dvb-frontends/cx24120.h
@@ -0,0 +1,58 @@
+/*
+ * Conexant CX24120/CX24118 - DVB-S/S2 demod/tuner driver
+ *
+ * Copyright (C) 2008 Patrick Boettcher <pb@linuxtv.org>
+ * Copyright (C) 2009 Sergey Tyurin <forum.free-x.de>
+ * Updated 2012 by Jannis Achstetter <jannis_achstetter@web.de>
+ * Copyright (C) 2015 Jemma Denson <jdenson@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef CX24120_H
+#define CX24120_H
+
+#include <linux/kconfig.h>
+#include <linux/dvb/frontend.h>
+#include <linux/firmware.h>
+
+struct cx24120_initial_mpeg_config {
+ u8 x1;
+ u8 x2;
+ u8 x3;
+};
+
+struct cx24120_config {
+ u8 i2c_addr;
+ u32 xtal_khz;
+ struct cx24120_initial_mpeg_config initial_mpeg_config;
+
+ int (*request_firmware)(struct dvb_frontend *fe,
+ const struct firmware **fw, char *name);
+
+ /* max bytes I2C provider can write at once */
+ u16 i2c_wr_max;
+};
+
+#if IS_REACHABLE(CONFIG_DVB_CX24120)
+struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
+ struct i2c_adapter *i2c);
+#else
+static inline
+struct dvb_frontend *cx24120_attach(const struct cx24120_config *config,
+ struct i2c_adapter *i2c)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* CX24120_H */