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V4L/DVB (10800): Add support for ST LNBH24 LNB power controller.

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The controller consist of two independent parts.
Every part is similar to LNBP21, but has configurable i2c address.
It is used in NetUP Dual DVB-S2 CI card.
http://linuxtv.org/wiki/index.php/NetUP_Dual_DVB_S2_CI

Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Igor M. Liplianin 2009-03-03 11:24:18 -03:00 committed by Mauro Carvalho Chehab
parent 47220bc11f
commit 8c1a23312b
4 changed files with 126 additions and 24 deletions
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4
drivers/media/dvb/frontends/Kconfig
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@ -453,11 +453,11 @@ comment "SEC control devices for DVB-S"
depends on DVB_CORE
config DVB_LNBP21
tristate "LNBP21 SEC controller"
tristate "LNBP21/LNBH24 SEC controllers"
depends on DVB_CORE && I2C
default m if DVB_FE_CUSTOMISE
help
An SEC control chip.
An SEC control chips.
config DVB_ISL6405
tristate "ISL6405 SEC controller"

55
drivers/media/dvb/frontends/lnbh24.h Normal file
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@ -0,0 +1,55 @@
/*
* lnbh24.h - driver for lnb supply and control ic lnbh24
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _LNBH24_H
#define _LNBH24_H
/* system register bits */
#define LNBH24_OLF 0x01
#define LNBH24_OTF 0x02
#define LNBH24_EN 0x04
#define LNBH24_VSEL 0x08
#define LNBH24_LLC 0x10
#define LNBH24_TEN 0x20
#define LNBH24_TTX 0x40
#define LNBH24_PCL 0x80
#include <linux/dvb/frontend.h>
#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) \
&& defined(MODULE))
/* override_set and override_clear control which
system register bits (above) to always set & clear */
extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear, u8 i2c_addr);
#else
static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear, u8 i2c_addr)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif

41
drivers/media/dvb/frontends/lnbp21.c
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@ -1,7 +1,8 @@
/*
* lnbp21.h - driver for lnb supply and control ic lnbp21
* lnbp21.c - driver for lnb supply and control ic lnbp21
*
* Copyright (C) 2006 Oliver Endriss
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -33,18 +34,21 @@
#include "dvb_frontend.h"
#include "lnbp21.h"
#include "lnbh24.h"
struct lnbp21 {
u8 config;
u8 override_or;
u8 override_and;
struct i2c_adapter *i2c;
u8 i2c_addr;
};
static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
static int lnbp21_set_voltage(struct dvb_frontend *fe,
fe_sec_voltage_t voltage)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
struct i2c_msg msg = { .addr = lnbp21->i2c_addr, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
@ -72,7 +76,7 @@ static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
{
struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv;
struct i2c_msg msg = { .addr = 0x08, .flags = 0,
struct i2c_msg msg = { .addr = lnbp21->i2c_addr, .flags = 0,
.buf = &lnbp21->config,
.len = sizeof(lnbp21->config) };
@ -97,15 +101,18 @@ static void lnbp21_release(struct dvb_frontend *fe)
fe->sec_priv = NULL;
}
struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
static struct dvb_frontend *lnbx2x_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear, u8 i2c_addr, u8 config)
{
struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL);
if (!lnbp21)
return NULL;
/* default configuration */
lnbp21->config = LNBP21_ISEL;
lnbp21->config = config;
lnbp21->i2c = i2c;
lnbp21->i2c_addr = i2c_addr;
fe->sec_priv = lnbp21;
/* bits which should be forced to '1' */
@ -126,11 +133,29 @@ struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *
/* override frontend ops */
fe->ops.set_voltage = lnbp21_set_voltage;
fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
printk(KERN_INFO "LNBx2x attached on addr=%x", lnbp21->i2c_addr);
return fe;
}
struct dvb_frontend *lnbp24_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear, u8 i2c_addr)
{
return lnbx2x_attach(fe, i2c, override_set, override_clear,
i2c_addr, LNBH24_TTX);
}
EXPORT_SYMBOL(lnbh24_attach);
struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear)
{
return lnbx2x_attach(fe, i2c, override_set, override_clear,
0x08, LNBP21_ISEL);
}
EXPORT_SYMBOL(lnbp21_attach);
MODULE_DESCRIPTION("Driver for lnb supply and control ic lnbp21");
MODULE_AUTHOR("Oliver Endriss");
MODULE_DESCRIPTION("Driver for lnb supply and control ic lnbp21, lnbh24");
MODULE_AUTHOR("Oliver Endriss, Igor M. Liplianin");
MODULE_LICENSE("GPL");

50
drivers/media/dvb/frontends/lnbp21.h
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@ -28,26 +28,48 @@
#define _LNBP21_H
/* system register bits */
#define LNBP21_OLF 0x01 /* [R-only] 0=OK; 1=over current limit flag*/
#define LNBP21_OTF 0x02 /* [R-only] 0=OK; 1=over temperature flag (150degC typ) */
#define LNBP21_EN 0x04 /* [RW] 0=disable LNB power, enable loopthrough; 1=enable LNB power, disable loopthrough*/
#define LNBP21_VSEL 0x08 /* [RW] 0=low voltage (13/14V, vert pol); 1=high voltage (18/19V,horiz pol) */
#define LNBP21_LLC 0x10 /* [RW] increase LNB voltage by 1V: 0=13/18V; 1=14/19V */
#define LNBP21_TEN 0x20 /* [RW] 0=tone controlled by DSQIN pin; 1=tone enable, disable DSQIN */
#define LNBP21_ISEL 0x40 /* [RW] current limit select 0:Iout=500-650mA,Isc=300mA ; 1:Iout=400-550mA,Isc=200mA*/
#define LNBP21_PCL 0x80 /* [RW] short-circuit prot: 0=pulsed (dynamic) curr limiting; 1=static curr limiting*/
/* [RO] 0=OK; 1=over current limit flag */
#define LNBP21_OLF 0x01
/* [RO] 0=OK; 1=over temperature flag (150 C) */
#define LNBP21_OTF 0x02
/* [RW] 0=disable LNB power, enable loopthrough
1=enable LNB power, disable loopthrough */
#define LNBP21_EN 0x04
/* [RW] 0=low voltage (13/14V, vert pol)
1=high voltage (18/19V,horiz pol) */
#define LNBP21_VSEL 0x08
/* [RW] increase LNB voltage by 1V:
0=13/18V; 1=14/19V */
#define LNBP21_LLC 0x10
/* [RW] 0=tone controlled by DSQIN pin
1=tone enable, disable DSQIN */
#define LNBP21_TEN 0x20
/* [RW] current limit select:
0:Iout=500-650mA Isc=300mA
1:Iout=400-550mA Isc=200mA */
#define LNBP21_ISEL 0x40
/* [RW] short-circuit protect:
0=pulsed (dynamic) curr limiting
1=static curr limiting */
#define LNBP21_PCL 0x80
#include <linux/dvb/frontend.h>
#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) && defined(MODULE))
/* override_set and override_clear control which system register bits (above) to always set & clear */
extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) \
&& defined(MODULE))
/* override_set and override_clear control which
system register bits (above) to always set & clear */
extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear);
#else
static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear)
static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 override_set,
u8 override_clear)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_LNBP21
#endif
#endif // _LNBP21_H
#endif