diff options
Diffstat (limited to 'drivers/media/dvb/frontends/isl6405.c')
| -rw-r--r-- | drivers/media/dvb/frontends/isl6405.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/media/dvb/frontends/isl6405.c b/drivers/media/dvb/frontends/isl6405.c deleted file mode 100644 index 33d33f4d8867..000000000000 --- a/drivers/media/dvb/frontends/isl6405.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * isl6405.c - driver for dual lnb supply and control ic ISL6405 - * - * Copyright (C) 2008 Hartmut Hackmann - * Copyright (C) 2006 Oliver Endriss - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * Or, point your browser to http://www.gnu.org/copyleft/gpl.html - * - * - * the project's page is at http://www.linuxtv.org - */ -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/slab.h> - -#include "dvb_frontend.h" -#include "isl6405.h" - -struct isl6405 { - u8 config; - u8 override_or; - u8 override_and; - struct i2c_adapter *i2c; - u8 i2c_addr; -}; - -static int isl6405_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) -{ - struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv; - struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0, - .buf = &isl6405->config, - .len = sizeof(isl6405->config) }; - - if (isl6405->override_or & 0x80) { - isl6405->config &= ~(ISL6405_VSEL2 | ISL6405_EN2); - switch (voltage) { - case SEC_VOLTAGE_OFF: - break; - case SEC_VOLTAGE_13: - isl6405->config |= ISL6405_EN2; - break; - case SEC_VOLTAGE_18: - isl6405->config |= (ISL6405_EN2 | ISL6405_VSEL2); - break; - default: - return -EINVAL; - } - } else { - isl6405->config &= ~(ISL6405_VSEL1 | ISL6405_EN1); - switch (voltage) { - case SEC_VOLTAGE_OFF: - break; - case SEC_VOLTAGE_13: - isl6405->config |= ISL6405_EN1; - break; - case SEC_VOLTAGE_18: - isl6405->config |= (ISL6405_EN1 | ISL6405_VSEL1); - break; - default: - return -EINVAL; - }; - } - isl6405->config |= isl6405->override_or; - isl6405->config &= isl6405->override_and; - - return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static int isl6405_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) -{ - struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv; - struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0, - .buf = &isl6405->config, - .len = sizeof(isl6405->config) }; - - if (isl6405->override_or & 0x80) { - if (arg) - isl6405->config |= ISL6405_LLC2; - else - isl6405->config &= ~ISL6405_LLC2; - } else { - if (arg) - isl6405->config |= ISL6405_LLC1; - else - isl6405->config &= ~ISL6405_LLC1; - } - isl6405->config |= isl6405->override_or; - isl6405->config &= isl6405->override_and; - - return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static void isl6405_release(struct dvb_frontend *fe) -{ - /* power off */ - isl6405_set_voltage(fe, SEC_VOLTAGE_OFF); - - /* free */ - kfree(fe->sec_priv); - fe->sec_priv = NULL; -} - -struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, - u8 i2c_addr, u8 override_set, u8 override_clear) -{ - struct isl6405 *isl6405 = kmalloc(sizeof(struct isl6405), GFP_KERNEL); - if (!isl6405) - return NULL; - - /* default configuration */ - if (override_set & 0x80) - isl6405->config = ISL6405_ISEL2; - else - isl6405->config = ISL6405_ISEL1; - isl6405->i2c = i2c; - isl6405->i2c_addr = i2c_addr; - fe->sec_priv = isl6405; - - /* bits which should be forced to '1' */ - isl6405->override_or = override_set; - - /* bits which should be forced to '0' */ - isl6405->override_and = ~override_clear; - - /* detect if it is present or not */ - if (isl6405_set_voltage(fe, SEC_VOLTAGE_OFF)) { - kfree(isl6405); - fe->sec_priv = NULL; - return NULL; - } - - /* install release callback */ - fe->ops.release_sec = isl6405_release; - - /* override frontend ops */ - fe->ops.set_voltage = isl6405_set_voltage; - fe->ops.enable_high_lnb_voltage = isl6405_enable_high_lnb_voltage; - - return fe; -} -EXPORT_SYMBOL(isl6405_attach); - -MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6405"); -MODULE_AUTHOR("Hartmut Hackmann & Oliver Endriss"); -MODULE_LICENSE("GPL"); |