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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/tuners/xc5000.h
Initial import
Diffstat (limited to 'drivers/media/tuners/xc5000.h')
-rw-r--r--drivers/media/tuners/xc5000.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/media/tuners/xc5000.h b/drivers/media/tuners/xc5000.h
new file mode 100644
index 000000000..00ba29e21
--- /dev/null
+++ b/drivers/media/tuners/xc5000.h
@@ -0,0 +1,75 @@
+/*
+ * Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
+ *
+ * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ *
+ * 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.
+ */
+
+#ifndef __XC5000_H__
+#define __XC5000_H__
+
+#include <linux/kconfig.h>
+#include <linux/firmware.h>
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+#define XC5000A 1
+#define XC5000C 2
+
+struct xc5000_config {
+ u8 i2c_address;
+ u32 if_khz;
+ u8 radio_input;
+ u16 xtal_khz;
+ u16 output_amp;
+
+ int chip_id;
+};
+
+/* xc5000 callback command */
+#define XC5000_TUNER_RESET 0
+
+/* Possible Radio inputs */
+#define XC5000_RADIO_NOT_CONFIGURED 0
+#define XC5000_RADIO_FM1 1
+#define XC5000_RADIO_FM2 2
+#define XC5000_RADIO_FM1_MONO 3
+
+/* For each bridge framework, when it attaches either analog or digital,
+ * it has to store a reference back to its _core equivalent structure,
+ * so that it can service the hardware by steering gpio's etc.
+ * Each bridge implementation is different so cast devptr accordingly.
+ * The xc5000 driver cares not for this value, other than ensuring
+ * it's passed back to a bridge during tuner_callback().
+ */
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC5000)
+extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ const struct xc5000_config *cfg);
+#else
+static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ const struct xc5000_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif