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Commit 0f408ce8 authored by Katsuhiro Suzuki's avatar Katsuhiro Suzuki Committed by Mauro Carvalho Chehab
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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: default avatarKatsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 65b40a98

drivers/media/dvb-frontends/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -739,6 +739,16 @@ config DVB_TC90522 
	  Toshiba TC90522 2xISDB-S 8PSK + 2xISDB-T OFDM demodulator.

	  Say Y when you want to support this frontend.



config DVB_MN88443X

	tristate "Socionext MN88443x"

	depends on DVB_CORE && I2C

	select REGMAP_I2C

	default m if !MEDIA_SUBDRV_AUTOSELECT

	help

	  A driver for Socionext/Panasonic MN884433 and MN884434

	  ISDB-S + ISDB-T demodulator.

	  Say Y when you want to support this frontend.



comment "Digital terrestrial only tuners/PLL"

	depends on DVB_CORE

drivers/media/dvb-frontends/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -125,6 +125,7 @@ obj-$(CONFIG_DVB_AF9033) += af9033.o 
obj-$(CONFIG_DVB_AS102_FE) += as102_fe.o

obj-$(CONFIG_DVB_GP8PSK_FE) += gp8psk-fe.o

obj-$(CONFIG_DVB_TC90522) += tc90522.o

obj-$(CONFIG_DVB_MN88443X) += mn88443x.o

obj-$(CONFIG_DVB_HORUS3A) += horus3a.o

obj-$(CONFIG_DVB_ASCOT2E) += ascot2e.o

obj-$(CONFIG_DVB_HELENE) += helene.o

drivers/media/dvb-frontends/mn88443x.c

0 → 100644
+802 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/media/dvb-frontends/mn88443x.h

0 → 100644
+27 −0
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/* 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 */