diff options
| author |   Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com> | 2018-07-23 04:51:50 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-08-02 18:54:03 -0400 |
| commit | 0f408ce8941fcb1b6e8431272cfc9337a0407d73 (patch) | |
| tree | 1c4f658b712e4cbaec9a073796aba4e75569aa8e /drivers/media/dvb-frontends/mn88443x.h | |
| parent | media: dm1105: Limit number of cards to avoid buffer over read (diff) | |
| download | wireguard-linux-0f408ce8941fcb1b6e8431272cfc9337a0407d73.tar.xz wireguard-linux-0f408ce8941fcb1b6e8431272cfc9337a0407d73.zip | |
media: dvb-frontends: add Socionext MN88443x ISDB-S/T demodulator driver
This patch adds a frontend driver for the Socionext/Panasonic
MN884434 and MN884433 ISDB-S/T demodulators.
The maximum and minimum frequency of MN88443x comes from
ISDB-S and ISDB-T so frequency range is the following:
- ISDB-S (BS/CS110 IF frequency, Local freq 10.678GHz)
- Min: BS-1: 1032MHz
- Max: ND24: 2070MHz
- ISDB-T
- Min: ch13: 470MHz
- Max: ch62: 770MHz
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/dvb-frontends/mn88443x.h')
| -rw-r--r-- | drivers/media/dvb-frontends/mn88443x.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/mn88443x.h b/drivers/media/dvb-frontends/mn88443x.h new file mode 100644 index 000000000000..b19aaf6a1ea3 --- /dev/null +++ b/drivers/media/dvb-frontends/mn88443x.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Socionext MN88443x series demodulator driver for ISDB-S/ISDB-T. + * + * Copyright (c) 2018 Socionext Inc. + */ + +#ifndef MN88443X_H +#define MN88443X_H + +#include <media/dvb_frontend.h> + +/* ISDB-T IF frequency */ +#define DIRECT_IF_57MHZ 57000000 +#define DIRECT_IF_44MHZ 44000000 +#define LOW_IF_4MHZ 4000000 + +struct mn88443x_config { + struct clk *mclk; + u32 if_freq; + struct gpio_desc *reset_gpio; + + /* Everything after that is returned by the driver. */ + struct dvb_frontend **fe; +}; + +#endif /* MN88443X_H */ |