V4L/DVB (7224): Initial DVB-S support for MD8800 /CTX948
authorHartmut Hackmann <hartmut.hackmann@t-online.de>
Tue, 22 Apr 2008 17:42:09 +0000 (14:42 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Thu, 24 Apr 2008 17:07:43 +0000 (14:07 -0300)
Support is not complete yet and untested.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/dvb/frontends/isl6405.c [new file with mode: 0644]
drivers/media/dvb/frontends/isl6405.h [new file with mode: 0644]
drivers/media/video/saa7134/saa7134-dvb.c

diff --git a/drivers/media/dvb/frontends/isl6405.c b/drivers/media/dvb/frontends/isl6405.c
new file mode 100644 (file)
index 0000000..33d33f4
--- /dev/null
@@ -0,0 +1,164 @@
+/*
+ * 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");
diff --git a/drivers/media/dvb/frontends/isl6405.h b/drivers/media/dvb/frontends/isl6405.h
new file mode 100644 (file)
index 0000000..9d4001a
--- /dev/null
@@ -0,0 +1,74 @@
+/*
+ * isl6405.h - 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
+ */
+
+#ifndef _ISL6405_H
+#define _ISL6405_H
+
+#include <linux/dvb/frontend.h>
+
+/* system register bits */
+
+/* this bit selects register (control) 1 or 2
+   note that the bit maps are different */
+
+#define ISL6405_SR     0x80
+
+/* SR = 0 */
+#define ISL6405_OLF1   0x01
+#define ISL6405_EN1    0x02
+#define ISL6405_VSEL1  0x04
+#define ISL6405_LLC1   0x08
+#define ISL6405_ENT1   0x10
+#define ISL6405_ISEL1  0x20
+#define ISL6405_DCL    0x40
+
+/* SR = 1 */
+#define ISL6405_OLF2   0x01
+#define ISL6405_OTF    0x02
+#define ISL6405_EN2    0x04
+#define ISL6405_VSEL2  0x08
+#define ISL6405_LLC2   0x10
+#define ISL6405_ENT2   0x20
+#define ISL6405_ISEL2  0x40
+
+#if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && defined(MODULE))
+/* override_set and override_clear control which system register bits (above)
+ * to always set & clear
+ */
+extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
+                                          u8 i2c_addr, u8 override_set, u8 override_clear);
+#else
+static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
+                                                 struct i2c_adapter *i2c, u8 i2c_addr,
+                                                 u8 override_set, u8 override_clear)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+       return NULL;
+}
+#endif /* CONFIG_DVB_ISL6405 */
+
+#endif
index 9d61d74..72fd9fe 100644 (file)
@@ -43,6 +43,7 @@
 #include "tda826x.h"
 #include "tda827x.h"
 #include "isl6421.h"
+#include "isl6405.h"
 
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 MODULE_LICENSE("GPL");
@@ -990,7 +991,22 @@ static int dvb_init(struct saa7134_dev *dev)
                configure_tda827x_fe(dev, &tevion_dvbt220rf_config);
                break;
        case SAA7134_BOARD_MEDION_MD8800_QUADRO:
-               configure_tda827x_fe(dev, &md8800_dvbt_config);
+               if (!use_frontend) {     /* terrestrial */
+                       configure_tda827x_fe(dev, &md8800_dvbt_config);
+               } else {        /* satellite */
+                       dev->dvb.frontend = dvb_attach(tda10086_attach,
+                                                       &flydvbs, &dev->i2c_adap);
+                       if (dev->dvb.frontend) {
+                               if (dvb_attach(tda826x_attach, dev->dvb.frontend,
+                                               0x60, &dev->i2c_adap, 0) == NULL)
+                                       wprintk("%s: Medion Quadro, no tda826x "
+                                               "found !\n", __FUNCTION__);
+                               if (dvb_attach(isl6405_attach, dev->dvb.frontend,
+                                               &dev->i2c_adap, 0x08, 0, 0) == NULL)
+                                       wprintk("%s: Medion Quadro, no ISL6405 "
+                                               "found !\n", __FUNCTION__);
+                       }
+               }
                break;
        case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
                dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,