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media: dvb-frontends: add ST STV0910 DVB-S/S2 demodulator frontend driver

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This adds a multi frontend driver for the ST STV0910 DVB-S/S2 demodulator
frontends. The driver code originates from the Digital Devices' dddvb
vendor driver package as of version 0.9.29, and has been cleaned up from
core API usage which isn't supported yet in the kernel, and additionally
all obvious style issues have been resolved. All camel case and allcaps
have been converted to kernel_case and lowercase. Patches have been sent
to the vendor package maintainers to fix this aswell. Signal statistics
acquisition has been refactored to comply with standards.

Permission to reuse and mainline the driver code was formally granted by
Ralph Metzler <rjkm@metzlerbros.de>.

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Tested-by: Richard Scobie <r.scobie@clear.net.nz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Daniel Scheller 2017-07-03 13:20:54 -04:00 committed by Mauro Carvalho Chehab
parent 435945e085
commit cd21b33494
5 changed files with 6503 additions and 0 deletions
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9
drivers/media/dvb-frontends/Kconfig
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@ -28,6 +28,15 @@ config DVB_STV090x
DVB-S/S2/DSS Multistandard Professional/Broadcast demodulators.
Say Y when you want to support these frontends.
config DVB_STV0910
tristate "STV0910 based"
depends on DVB_CORE && I2C
default m if !MEDIA_SUBDRV_AUTOSELECT
help
ST STV0910 DVB-S/S2 demodulator driver.
Say Y when you want to support these frontends.
config DVB_STV6110x
tristate "STV6110/(A) based tuners"
depends on DVB_CORE && I2C

1
drivers/media/dvb-frontends/Makefile
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@ -110,6 +110,7 @@ obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o
obj-$(CONFIG_DVB_CXD2841ER) += cxd2841er.o
obj-$(CONFIG_DVB_DRXK) += drxk.o
obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
obj-$(CONFIG_DVB_STV0910) += stv0910.o
obj-$(CONFIG_DVB_SI2165) += si2165.o
obj-$(CONFIG_DVB_A8293) += a8293.o
obj-$(CONFIG_DVB_SP2) += sp2.o

1702
drivers/media/dvb-frontends/stv0910.c Normal file
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32
drivers/media/dvb-frontends/stv0910.h Normal file
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@ -0,0 +1,32 @@
#ifndef _STV0910_H_
#define _STV0910_H_
#include <linux/types.h>
#include <linux/i2c.h>
struct stv0910_cfg {
u32 clk;
u8 adr;
u8 parallel;
u8 rptlvl;
u8 single;
};
#if IS_REACHABLE(CONFIG_DVB_STV0910)
extern struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
struct stv0910_cfg *cfg, int nr);
#else
static inline struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
struct stv0910_cfg *cfg,
int nr)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_STV0910 */
#endif /* _STV0910_H_ */

4759
drivers/media/dvb-frontends/stv0910_regs.h Normal file
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