V4L/DVB (10800): Add support for ST LNBH24 LNB power controller.

The controller consist of two independent parts.
Every part is similar to LNBP21, but has configurable i2c address.
It is used in NetUP Dual DVB-S2 CI card.
http://linuxtv.org/wiki/index.php/NetUP_Dual_DVB_S2_CI

Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/lnbh24.h b/drivers/media/dvb/frontends/lnbh24.h
new file mode 100644
index 000000000000..c059b165318f
--- /dev/null
+++ b/drivers/media/dvb/frontends/lnbh24.h
@@ -0,0 +1,55 @@
+/*
+ * lnbh24.h - driver for lnb supply and control ic lnbh24
+ *
+ * Copyright (C) 2009 NetUP Inc.
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LNBH24_H
+#define _LNBH24_H
+
+/* system register bits */
+#define LNBH24_OLF      0x01
+#define LNBH24_OTF      0x02
+#define LNBH24_EN       0x04
+#define LNBH24_VSEL     0x08
+#define LNBH24_LLC      0x10
+#define LNBH24_TEN      0x20
+#define LNBH24_TTX      0x40
+#define LNBH24_PCL      0x80
+
+#include <linux/dvb/frontend.h>
+
+#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) \
+                                                        && defined(MODULE))
+/* override_set and override_clear control which
+   system register bits (above) to always set & clear */
+extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
+                                struct i2c_adapter *i2c, u8 override_set,
+                                u8 override_clear, u8 i2c_addr);
+#else
+static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
+                                struct i2c_adapter *i2c, u8 override_set,
+                                u8 override_clear, u8 i2c_addr)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif
+
+#endif