diff options
Diffstat (limited to 'drivers/media/dvb/frontends/lnbp21.c')
| -rw-r--r-- | drivers/media/dvb/frontends/lnbp21.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/drivers/media/dvb/frontends/lnbp21.c b/drivers/media/dvb/frontends/lnbp21.c deleted file mode 100644 index 13437259..0000000 --- a/drivers/media/dvb/frontends/lnbp21.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * lnbp21.c - driver for lnb supply and control ic lnbp21 - * - * Copyright (C) 2006, 2009 Oliver Endriss <o.endriss@gmx.de> - * 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., 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 "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) -{ - struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv; - struct i2c_msg msg = { .addr = lnbp21->i2c_addr, .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->sec_priv; - struct i2c_msg msg = { .addr = lnbp21->i2c_addr, .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 int lnbp21_set_tone(struct dvb_frontend *fe, - fe_sec_tone_mode_t tone) -{ - struct lnbp21 *lnbp21 = (struct lnbp21 *) fe->sec_priv; - struct i2c_msg msg = { .addr = lnbp21->i2c_addr, .flags = 0, - .buf = &lnbp21->config, - .len = sizeof(lnbp21->config) }; - - switch (tone) { - case SEC_TONE_OFF: - lnbp21->config &= ~LNBP21_TEN; - break; - case SEC_TONE_ON: - lnbp21->config |= LNBP21_TEN; - 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 void lnbp21_release(struct dvb_frontend *fe) -{ - /* LNBP power off */ - lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF); - - /* free data */ - kfree(fe->sec_priv); - fe->sec_priv = NULL; -} - -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 = config; - lnbp21->i2c = i2c; - lnbp21->i2c_addr = i2c_addr; - fe->sec_priv = lnbp21; - - /* bits which should be forced to '1' */ - lnbp21->override_or = override_set; - - /* bits which should be forced to '0' */ - lnbp21->override_and = ~override_clear; - - /* detect if it is present or not */ - if (lnbp21_set_voltage(fe, SEC_VOLTAGE_OFF)) { - kfree(lnbp21); - return NULL; - } - - /* install release callback */ - fe->ops.release_sec = lnbp21_release; - - /* override frontend ops */ - fe->ops.set_voltage = lnbp21_set_voltage; - fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage; - if (!(override_clear & LNBH24_TEN)) /*22kHz logic controlled by demod*/ - fe->ops.set_tone = lnbp21_set_tone; - printk(KERN_INFO "LNBx2x attached on addr=%x\n", lnbp21->i2c_addr); - - return fe; -} - -struct dvb_frontend *lnbh24_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, lnbh24"); -MODULE_AUTHOR("Oliver Endriss, Igor M. Liplianin"); -MODULE_LICENSE("GPL"); |
