diff options
Diffstat (limited to 'drivers/media/dvb/frontends/lnbp21.h')
| -rw-r--r-- | drivers/media/dvb/frontends/lnbp21.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/drivers/media/dvb/frontends/lnbp21.h b/drivers/media/dvb/frontends/lnbp21.h deleted file mode 100644 index 0dcbe61b61b..00000000000 --- a/drivers/media/dvb/frontends/lnbp21.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * lnbp21.h - driver for lnb supply and control ic lnbp21 - * - * 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 - */ - -#ifndef _LNBP21_H -#define _LNBP21_H - -/* system register */ -#define LNBP21_OLF 0x01 -#define LNBP21_OTF 0x02 -#define LNBP21_EN 0x04 -#define LNBP21_VSEL 0x08 -#define LNBP21_LLC 0x10 -#define LNBP21_TEN 0x20 -#define LNBP21_ISEL 0x40 -#define LNBP21_PCL 0x80 - -struct lnbp21 { - u8 config; - u8 override_or; - u8 override_and; - struct i2c_adapter *i2c; - void (*release_chain)(struct dvb_frontend* fe); -}; - -static int lnbp21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) -{ - struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv; - struct i2c_msg msg = { .addr = 0x08, .flags = 0, - .buf = &lnbp21->config, - .len = sizeof(lnbp21->config) }; - - lnbp21->config &= ~(LNBP21_VSEL | LNBP21_EN); - - switch(voltage) { - case SEC_VOLTAGE_OFF: - break; - case SEC_VOLTAGE_13: - lnbp21->config |= LNBP21_EN; - break; - case SEC_VOLTAGE_18: - lnbp21->config |= (LNBP21_EN | LNBP21_VSEL); - break; - default: - return -EINVAL; - }; - - lnbp21->config |= lnbp21->override_or; - lnbp21->config &= lnbp21->override_and; - - return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) -{ - struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv; - struct i2c_msg msg = { .addr = 0x08, .flags = 0, - .buf = &lnbp21->config, - .len = sizeof(lnbp21->config) }; - - if (arg) - lnbp21->config |= LNBP21_LLC; - else - lnbp21->config &= ~LNBP21_LLC; - - lnbp21->config |= lnbp21->override_or; - lnbp21->config &= lnbp21->override_and; - - return (i2c_transfer(lnbp21->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static void lnbp21_exit(struct dvb_frontend *fe) -{ - struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->misc_priv; - - /* LNBP power off */ - lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF); - - /* free data & call next release routine */ - fe->ops->release = lnbp21->release_chain; - kfree(fe->misc_priv); - fe->misc_priv = NULL; - if (fe->ops->release) - fe->ops->release(fe); -} - -static int lnbp21_init(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear) -{ - struct lnbp21 *lnbp21 = kmalloc(sizeof(struct lnbp21), GFP_KERNEL); - - if (!lnbp21) - return -ENOMEM; - - /* default configuration */ - lnbp21->config = LNBP21_ISEL; - - /* bits which should be forced to '1' */ - lnbp21->override_or = override_set; - - /* bits which should be forced to '0' */ - lnbp21->override_and = ~override_clear; - - /* install release callback */ - lnbp21->release_chain = fe->ops->release; - fe->ops->release = lnbp21_exit; - - /* override frontend ops */ - fe->ops->set_voltage = lnbp21_set_voltage; - fe->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage; - - lnbp21->i2c = i2c; - fe->misc_priv = lnbp21; - - return lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF); -} - -#endif |
