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-rw-r--r--drivers/media/dvb-frontends/m88ds3103.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/m88ds3103.h b/drivers/media/dvb-frontends/m88ds3103.h
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+++ b/drivers/media/dvb-frontends/m88ds3103.h
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+/*
+ * Montage M88DS3103 demodulator driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ *
+ * 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 M88DS3103_H
+#define M88DS3103_H
+
+#include <linux/dvb/frontend.h>
+
+struct m88ds3103_config {
+ /*
+ * I2C address
+ * Default: none, must set
+ * 0x68, ...
+ */
+ u8 i2c_addr;
+
+ /*
+ * clock
+ * Default: none, must set
+ * 27000000
+ */
+ u32 clock;
+
+ /*
+ * max bytes I2C provider is asked to write at once
+ * Default: none, must set
+ * 33, 65, ...
+ */
+ u16 i2c_wr_max;
+
+ /*
+ * TS output mode
+ * Default: M88DS3103_TS_SERIAL
+ */
+#define M88DS3103_TS_SERIAL 0 /* TS output pin D0, normal */
+#define M88DS3103_TS_SERIAL_D7 1 /* TS output pin D7 */
+#define M88DS3103_TS_PARALLEL 2 /* 24 MHz, normal */
+#define M88DS3103_TS_PARALLEL_12 3 /* 12 MHz */
+#define M88DS3103_TS_PARALLEL_16 4 /* 16 MHz */
+#define M88DS3103_TS_PARALLEL_19_2 5 /* 19.2 MHz */
+#define M88DS3103_TS_CI 6 /* 6 MHz */
+ u8 ts_mode;
+
+ /*
+ * spectrum inversion
+ * Default: 0
+ */
+ u8 spec_inv:1;
+
+ /*
+ * AGC polarity
+ * Default: 0
+ */
+ u8 agc_inv:1;
+
+ /*
+ * clock output
+ * Default: M88DS3103_CLOCK_OUT_DISABLED
+ */
+#define M88DS3103_CLOCK_OUT_DISABLED 0
+#define M88DS3103_CLOCK_OUT_ENABLED 1
+#define M88DS3103_CLOCK_OUT_ENABLED_DIV2 2
+ u8 clock_out;
+
+ /*
+ * DiSEqC envelope mode
+ * Default: 0
+ */
+ u8 envelope_mode:1;
+
+ /*
+ * AGC configuration
+ * Default: none, must set
+ */
+ u8 agc;
+};
+
+/*
+ * Driver implements own I2C-adapter for tuner I2C access. That's since chip
+ * has I2C-gate control which closes gate automatically after I2C transfer.
+ * Using own I2C adapter we can workaround that.
+ */
+
+#if defined(CONFIG_DVB_M88DS3103) || \
+ (defined(CONFIG_DVB_M88DS3103_MODULE) && defined(MODULE))
+extern struct dvb_frontend *m88ds3103_attach(
+ const struct m88ds3103_config *config,
+ struct i2c_adapter *i2c,
+ struct i2c_adapter **tuner_i2c);
+#else
+static inline struct dvb_frontend *m88ds3103_attach(
+ const struct m88ds3103_config *config,
+ struct i2c_adapter *i2c,
+ struct i2c_adapter **tuner_i2c)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif