Convert lnbp21.h into a linux kernel module.
Fix up previous users to use it.
Convert dvb-ttusb-budget to use it.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
+
+comment "Miscellaneous devices"
+ depends on DVB_CORE
+
+config DVB_LNBP21
+ tristate "LNBP21 SEC controller"
+ depends on DVB_CORE
+ help
+ An SEC control chip.
+
endmenu
obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
obj-$(CONFIG_DVB_CX24123) += cx24123.o
+obj-$(CONFIG_DVB_LNBP21) += lnbp21.o
--- /dev/null
+/*
+ * 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
+ */
+#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 "lnbp21.h"
+
+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_release(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);
+}
+
+int lnbp21_attach(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;
+ lnbp21->i2c = i2c;
+ fe->misc_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);
+ fe->misc_priv = NULL;
+ return -EIO;
+ }
+
+ /* install release callback */
+ lnbp21->release_chain = fe->ops->release;
+ fe->ops->release = lnbp21_release;
+
+ /* override frontend ops */
+ fe->ops->set_voltage = lnbp21_set_voltage;
+ fe->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
+
+ return 0;
+}
+EXPORT_SYMBOL(lnbp21_attach);
+
+MODULE_DESCRIPTION("Driver for lnb supply and control ic lnbp21");
+MODULE_AUTHOR("Oliver Endriss");
+MODULE_LICENSE("GPL");
#ifndef _LNBP21_H
#define _LNBP21_H
-/* system register */
+/* system register bits */
#define LNBP21_OLF 0x01
#define LNBP21_OTF 0x02
#define LNBP21_EN 0x04
#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);
-};
+#include <linux/dvb/frontend.h>
-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);
-}
+/* override_set and override_clear control which system register bits (above) to always set & clear */
+extern int lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear);
#endif
select DVB_SP8870
select DVB_STV0297
select DVB_L64781
+ select DVB_LNBP21
help
Support for SAA7146 and AV7110 based DVB cards as produced
by Fujitsu-Siemens, Technotrend, Hauppauge and others.
select DVB_TDA8083
select DVB_TDA10021
select DVB_S5H1420
+ select DVB_LNBP21
help
Support for simple SAA7146 based DVB cards
(so called Budget- or Nova-PCI cards) without onboard
select DVB_STV0297
select DVB_STV0299
select DVB_TDA1004X
+ select DVB_LNBP21
help
Support for simple SAA7146 based DVB cards
(so called Budget- or Nova-PCI cards) without onboard
av7110->fe->ops->tuner_ops.set_params = alps_bsbe1_tuner_set_params;
av7110->fe->tuner_priv = &av7110->i2c_adap;
- if (lnbp21_init(av7110->fe, &av7110->i2c_adap, 0, 0)) {
+ if (lnbp21_attach(av7110->fe, &av7110->i2c_adap, 0, 0)) {
printk("dvb-ttpci: LNBP21 not found!\n");
if (av7110->fe->ops->release)
av7110->fe->ops->release(av7110->fe);
budget_ci->budget.dvb_frontend->tuner_priv = &budget_ci->budget.i2c_adap;
budget_ci->budget.dvb_frontend->ops->dishnetwork_send_legacy_command = NULL;
- if (lnbp21_init(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
+ if (lnbp21_attach(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0)) {
printk("%s: No LNBP21 found!\n", __FUNCTION__);
if (budget_ci->budget.dvb_frontend->ops->release)
budget_ci->budget.dvb_frontend->ops->release(budget_ci->budget.dvb_frontend);
budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
if (budget->dvb_frontend) {
budget->dvb_frontend->ops->tuner_ops.set_params = s5h1420_tuner_set_params;
- if (lnbp21_init(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
+ if (lnbp21_attach(budget->dvb_frontend, &budget->i2c_adap, 0, 0)) {
printk("%s: No LNBP21 found!\n", __FUNCTION__);
goto error_out;
}
select DVB_VES1820
select DVB_TDA8083
select DVB_STV0299
+ select DVB_LNBP21
help
Support for external USB adapters designed by Technotrend and
produced by Hauppauge, shipped under the brand name 'Nova-USB'.
#include "tda1004x.h"
#include "stv0299.h"
#include "tda8083.h"
+#include "lnbp21.h"
#include <linux/dvb/frontend.h>
#include <linux/dvb/dmx.h>
}
#endif
-static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
-{
- struct ttusb* ttusb = (struct ttusb*) fe->dvb->priv;
- int ret;
- u8 data[1];
- struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = data, .len = sizeof(data) };
-
- switch(voltage) {
- case SEC_VOLTAGE_OFF:
- data[0] = 0x00;
- break;
- case SEC_VOLTAGE_13:
- data[0] = 0x44;
- break;
- case SEC_VOLTAGE_18:
- data[0] = 0x4c;
- break;
- default:
- return -EINVAL;
- };
-
- ret = i2c_transfer(&ttusb->i2c_adap, &msg, 1);
- return (ret != 1) ? -EIO : 0;
-}
-
static int ttusb_update_lnb(struct ttusb *ttusb)
{
u8 b[] = { 0xaa, ++ttusb->c, 0x16, 5, /*power: */ 1,
if(ttusb->revision == TTUSB_REV_2_2) { // ALPS BSBE1
alps_stv0299_config.inittab = alps_bsbe1_inittab;
- ttusb->fe->ops->set_voltage = lnbp21_set_voltage;
+ lnbp21_attach(ttusb->fe, &ttusb->i2c_adap, 0, 0);
} else { // ALPS BSRU6
ttusb->fe->ops->set_voltage = ttusb_set_voltage;
}
projects / linux-2.6 / commitdiff