diff options
Diffstat (limited to 'drivers/media/dvb/frontends/lnbp22.c')
| -rw-r--r-- | drivers/media/dvb/frontends/lnbp22.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/drivers/media/dvb/frontends/lnbp22.c b/drivers/media/dvb/frontends/lnbp22.c deleted file mode 100644 index 84ad0390a4a1..000000000000 --- a/drivers/media/dvb/frontends/lnbp22.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * lnbp22.h - driver for lnb supply and control ic lnbp22 - * - * Copyright (C) 2006 Dominik Kuhlen - * Based on lnbp21 driver - * - * 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/moduleparam.h> -#include <linux/string.h> -#include <linux/slab.h> - -#include "dvb_frontend.h" -#include "lnbp22.h" - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); - - -#define dprintk(lvl, arg...) if (debug >= (lvl)) printk(arg) - -struct lnbp22 { - u8 config[4]; - struct i2c_adapter *i2c; -}; - -static int lnbp22_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) -{ - struct lnbp22 *lnbp22 = (struct lnbp22 *)fe->sec_priv; - struct i2c_msg msg = { - .addr = 0x08, - .flags = 0, - .buf = (char *)&lnbp22->config, - .len = sizeof(lnbp22->config), - }; - - dprintk(1, "%s: %d (18V=%d 13V=%d)\n", __func__, voltage, - SEC_VOLTAGE_18, SEC_VOLTAGE_13); - - lnbp22->config[3] = 0x60; /* Power down */ - switch (voltage) { - case SEC_VOLTAGE_OFF: - break; - case SEC_VOLTAGE_13: - lnbp22->config[3] |= LNBP22_EN; - break; - case SEC_VOLTAGE_18: - lnbp22->config[3] |= (LNBP22_EN | LNBP22_VSEL); - break; - default: - return -EINVAL; - }; - - dprintk(1, "%s: 0x%02x)\n", __func__, lnbp22->config[3]); - return (i2c_transfer(lnbp22->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static int lnbp22_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) -{ - struct lnbp22 *lnbp22 = (struct lnbp22 *) fe->sec_priv; - struct i2c_msg msg = { - .addr = 0x08, - .flags = 0, - .buf = (char *)&lnbp22->config, - .len = sizeof(lnbp22->config), - }; - - dprintk(1, "%s: %d\n", __func__, (int)arg); - if (arg) - lnbp22->config[3] |= LNBP22_LLC; - else - lnbp22->config[3] &= ~LNBP22_LLC; - - return (i2c_transfer(lnbp22->i2c, &msg, 1) == 1) ? 0 : -EIO; -} - -static void lnbp22_release(struct dvb_frontend *fe) -{ - dprintk(1, "%s\n", __func__); - /* LNBP power off */ - lnbp22_set_voltage(fe, SEC_VOLTAGE_OFF); - - /* free data */ - kfree(fe->sec_priv); - fe->sec_priv = NULL; -} - -struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, - struct i2c_adapter *i2c) -{ - struct lnbp22 *lnbp22 = kmalloc(sizeof(struct lnbp22), GFP_KERNEL); - if (!lnbp22) - return NULL; - - /* default configuration */ - lnbp22->config[0] = 0x00; /* ? */ - lnbp22->config[1] = 0x28; /* ? */ - lnbp22->config[2] = 0x48; /* ? */ - lnbp22->config[3] = 0x60; /* Power down */ - lnbp22->i2c = i2c; - fe->sec_priv = lnbp22; - - /* detect if it is present or not */ - if (lnbp22_set_voltage(fe, SEC_VOLTAGE_OFF)) { - dprintk(0, "%s LNBP22 not found\n", __func__); - kfree(lnbp22); - fe->sec_priv = NULL; - return NULL; - } - - /* install release callback */ - fe->ops.release_sec = lnbp22_release; - - /* override frontend ops */ - fe->ops.set_voltage = lnbp22_set_voltage; - fe->ops.enable_high_lnb_voltage = lnbp22_enable_high_lnb_voltage; - - return fe; -} -EXPORT_SYMBOL(lnbp22_attach); - -MODULE_DESCRIPTION("Driver for lnb supply and control ic lnbp22"); -MODULE_AUTHOR("Dominik Kuhlen"); -MODULE_LICENSE("GPL"); |