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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/dvb-frontends/lgdt330x.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt330x.h')
-rw-r--r--drivers/media/dvb-frontends/lgdt330x.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/lgdt330x.h b/drivers/media/dvb-frontends/lgdt330x.h
new file mode 100644
index 000000000..99834aa60
--- /dev/null
+++ b/drivers/media/dvb-frontends/lgdt330x.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Support for LGDT3302 and LGDT3303 - VSB/QAM
+ *
+ * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
+ */
+
+#ifndef LGDT330X_H
+#define LGDT330X_H
+
+#include <linux/dvb/frontend.h>
+
+typedef enum lg_chip_t {
+ UNDEFINED,
+ LGDT3302,
+ LGDT3303
+}lg_chip_type;
+
+/**
+ * struct lgdt330x_config - contains lgdt330x configuration
+ *
+ * @demod_chip: LG demodulator chip LGDT3302 or LGDT3303
+ * @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial
+ * @pll_rf_set: Callback function to set PLL interface
+ * @set_ts_params: Callback function to set device param for start_dma
+ * @clock_polarity_flip:
+ * Flip the polarity of the mpeg data transfer clock using alternate
+ * init data.
+ * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled
+ * @get_dvb_frontend:
+ * returns the frontend associated with this I2C client.
+ * Filled by the driver.
+ */
+struct lgdt330x_config
+{
+ lg_chip_type demod_chip;
+ int serial_mpeg;
+ int (*pll_rf_set) (struct dvb_frontend* fe, int index);
+ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+ int clock_polarity_flip;
+
+ struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
+};
+
+#if IS_REACHABLE(CONFIG_DVB_LGDT330X)
+struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
+ u8 demod_address,
+ struct i2c_adapter *i2c);
+#else
+static inline
+struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config,
+ u8 demod_address,
+ struct i2c_adapter *i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_LGDT330X
+
+#endif /* LGDT330X_H */