summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends/cx24120.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/media/dvb-frontends/cx24120.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/cx24120.h')
-rw-r--r--drivers/media/dvb-frontends/cx24120.h57
1 files changed, 57 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..de4ca9aa0
--- /dev/null
+++ b/drivers/media/dvb-frontends/cx24120.h
@@ -0,0 +1,57 @@
+/*
+ * 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/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 */