These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / media / dvb-frontends / cx24120.h

diff --git a/kernel/drivers/media/dvb-frontends/cx24120.h b/kernel/drivers/media/dvb-frontends/cx24120.h
new file mode 100644 (file)
index 0000000..f097042
--- /dev/null
+++ b/kernel/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 */