[media] Altera FPGA firmware download module

It uses STAPL files and programs Altera FPGA through JTAG.
Interface to JTAG must be provided from main device module,
for example through cx23885 GPIO.

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

1 files changed, 49 insertions, 0 deletions

diff --git a/include/staging/altera.h b/include/staging/altera.h
new file mode 100644
index 000000000000..94c0c6181daf
--- /dev/null
+++ b/include/staging/altera.h
@@ -0,0 +1,49 @@
+/*
+ * altera.h
+ *
+ * altera FPGA driver
+ *
+ * Copyright (C) Altera Corporation 1998-2001
+ * Copyright (C) 2010 NetUP Inc.
+ * Copyright (C) 2010 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 _ALTERA_H_
+#define _ALTERA_H_
+
+struct altera_config {
+	void *dev;
+	u8 *action;
+	int (*jtag_io) (void *dev, int tms, int tdi, int tdo);
+};
+
+#if defined(CONFIG_ALTERA_STAPL) || \
+		(defined(CONFIG_ALTERA_STAPL_MODULE) && defined(MODULE))
+
+extern int altera_init(struct altera_config *config, const struct firmware *fw);
+#else
+
+static inline int altera_init(struct altera_config *config,
+						const struct firmware *fw)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return 0;
+}
+#endif /* CONFIG_ALTERA_STAPL */
+
+#endif /* _ALTERA_H_ */