forked from Minki/linux
V4L/DVB (7224): Initial DVB-S support for MD8800 /CTX948
Support is not complete yet and untested. Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Hackmann
Mauro Carvalho Chehab
parent
26ec394e7c
commit
4b1431ca1c
164
drivers/media/dvb/frontends/isl6405.c
Normal file
164
drivers/media/dvb/frontends/isl6405.c
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@ -0,0 +1,164 @@
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/*
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* isl6405.c - driver for dual lnb supply and control ic ISL6405
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*
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* Copyright (C) 2008 Hartmut Hackmann
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* Copyright (C) 2006 Oliver Endriss
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* the project's page is at http://www.linuxtv.org
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*/
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include "dvb_frontend.h"
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#include "isl6405.h"
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struct isl6405 {
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u8 config;
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u8 override_or;
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u8 override_and;
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struct i2c_adapter *i2c;
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u8 i2c_addr;
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};
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static int isl6405_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
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{
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struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv;
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struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0,
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.buf = &isl6405->config,
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.len = sizeof(isl6405->config) };
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if (isl6405->override_or & 0x80) {
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isl6405->config &= ~(ISL6405_VSEL2 | ISL6405_EN2);
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switch (voltage) {
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case SEC_VOLTAGE_OFF:
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break;
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case SEC_VOLTAGE_13:
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isl6405->config |= ISL6405_EN2;
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break;
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case SEC_VOLTAGE_18:
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isl6405->config |= (ISL6405_EN2 | ISL6405_VSEL2);
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break;
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default:
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return -EINVAL;
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}
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} else {
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isl6405->config &= ~(ISL6405_VSEL1 | ISL6405_EN1);
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switch (voltage) {
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case SEC_VOLTAGE_OFF:
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break;
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case SEC_VOLTAGE_13:
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isl6405->config |= ISL6405_EN1;
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break;
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case SEC_VOLTAGE_18:
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isl6405->config |= (ISL6405_EN1 | ISL6405_VSEL1);
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break;
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default:
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return -EINVAL;
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};
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}
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isl6405->config |= isl6405->override_or;
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isl6405->config &= isl6405->override_and;
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return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO;
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}
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static int isl6405_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg)
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{
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struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv;
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struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0,
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.buf = &isl6405->config,
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.len = sizeof(isl6405->config) };
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if (isl6405->override_or & 0x80) {
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if (arg)
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isl6405->config |= ISL6405_LLC2;
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else
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isl6405->config &= ~ISL6405_LLC2;
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} else {
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if (arg)
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isl6405->config |= ISL6405_LLC1;
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else
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isl6405->config &= ~ISL6405_LLC1;
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}
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isl6405->config |= isl6405->override_or;
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isl6405->config &= isl6405->override_and;
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return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO;
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}
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static void isl6405_release(struct dvb_frontend *fe)
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{
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/* power off */
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isl6405_set_voltage(fe, SEC_VOLTAGE_OFF);
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/* free */
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kfree(fe->sec_priv);
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fe->sec_priv = NULL;
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}
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struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
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u8 i2c_addr, u8 override_set, u8 override_clear)
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{
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struct isl6405 *isl6405 = kmalloc(sizeof(struct isl6405), GFP_KERNEL);
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if (!isl6405)
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return NULL;
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/* default configuration */
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if (override_set & 0x80)
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isl6405->config = ISL6405_ISEL2;
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else
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isl6405->config = ISL6405_ISEL1;
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isl6405->i2c = i2c;
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isl6405->i2c_addr = i2c_addr;
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fe->sec_priv = isl6405;
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/* bits which should be forced to '1' */
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isl6405->override_or = override_set;
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/* bits which should be forced to '0' */
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isl6405->override_and = ~override_clear;
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/* detect if it is present or not */
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if (isl6405_set_voltage(fe, SEC_VOLTAGE_OFF)) {
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kfree(isl6405);
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fe->sec_priv = NULL;
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return NULL;
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}
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/* install release callback */
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fe->ops.release_sec = isl6405_release;
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/* override frontend ops */
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fe->ops.set_voltage = isl6405_set_voltage;
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fe->ops.enable_high_lnb_voltage = isl6405_enable_high_lnb_voltage;
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return fe;
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}
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EXPORT_SYMBOL(isl6405_attach);
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MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6405");
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MODULE_AUTHOR("Hartmut Hackmann & Oliver Endriss");
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MODULE_LICENSE("GPL");
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74
drivers/media/dvb/frontends/isl6405.h
Normal file
74
drivers/media/dvb/frontends/isl6405.h
Normal file
@ -0,0 +1,74 @@
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/*
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* isl6405.h - driver for dual lnb supply and control ic ISL6405
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*
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* Copyright (C) 2008 Hartmut Hackmann
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* Copyright (C) 2006 Oliver Endriss
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* the project's page is at http://www.linuxtv.org
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*/
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#ifndef _ISL6405_H
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#define _ISL6405_H
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#include <linux/dvb/frontend.h>
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/* system register bits */
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/* this bit selects register (control) 1 or 2
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note that the bit maps are different */
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#define ISL6405_SR 0x80
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/* SR = 0 */
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#define ISL6405_OLF1 0x01
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#define ISL6405_EN1 0x02
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#define ISL6405_VSEL1 0x04
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#define ISL6405_LLC1 0x08
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#define ISL6405_ENT1 0x10
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#define ISL6405_ISEL1 0x20
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#define ISL6405_DCL 0x40
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/* SR = 1 */
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#define ISL6405_OLF2 0x01
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#define ISL6405_OTF 0x02
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#define ISL6405_EN2 0x04
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#define ISL6405_VSEL2 0x08
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#define ISL6405_LLC2 0x10
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#define ISL6405_ENT2 0x20
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#define ISL6405_ISEL2 0x40
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#if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && defined(MODULE))
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/* override_set and override_clear control which system register bits (above)
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* to always set & clear
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*/
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extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
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u8 i2c_addr, u8 override_set, u8 override_clear);
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#else
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static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
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struct i2c_adapter *i2c, u8 i2c_addr,
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u8 override_set, u8 override_clear)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
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return NULL;
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}
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#endif /* CONFIG_DVB_ISL6405 */
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#endif
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@ -43,6 +43,7 @@
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#include "tda826x.h"
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#include "tda827x.h"
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#include "isl6421.h"
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#include "isl6405.h"
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MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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MODULE_LICENSE("GPL");
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@ -990,7 +991,22 @@ static int dvb_init(struct saa7134_dev *dev)
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configure_tda827x_fe(dev, &tevion_dvbt220rf_config);
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break;
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case SAA7134_BOARD_MEDION_MD8800_QUADRO:
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configure_tda827x_fe(dev, &md8800_dvbt_config);
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if (!use_frontend) { /* terrestrial */
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configure_tda827x_fe(dev, &md8800_dvbt_config);
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} else { /* satellite */
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dev->dvb.frontend = dvb_attach(tda10086_attach,
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&flydvbs, &dev->i2c_adap);
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if (dev->dvb.frontend) {
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if (dvb_attach(tda826x_attach, dev->dvb.frontend,
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0x60, &dev->i2c_adap, 0) == NULL)
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wprintk("%s: Medion Quadro, no tda826x "
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"found !\n", __FUNCTION__);
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if (dvb_attach(isl6405_attach, dev->dvb.frontend,
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&dev->i2c_adap, 0x08, 0, 0) == NULL)
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wprintk("%s: Medion Quadro, no ISL6405 "
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"found !\n", __FUNCTION__);
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}
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}
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break;
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case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
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dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,
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