From e4dbcc414b4b91ceb6b5e80a4ad49e4270fee096 Mon Sep 17 00:00:00 2001
From: Boris Gjenero <dreamlayers@rockbox.org>
Date: Thu, 8 Dec 2011 21:23:53 +0000
Subject: FS#12418 - Merge prototypes from ata-target.h files into new file
 ata-driver.h. After this change:

- ata.h is for users of ata.c
- ata-driver.h is for functions implemented by target-specific code and used by ata.c
- ata-target.h is for target-specific defines


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31182 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/ata-driver.h | 69 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 firmware/export/ata-driver.h

(limited to 'firmware/export/ata-driver.h')

diff --git a/firmware/export/ata-driver.h b/firmware/export/ata-driver.h
new file mode 100644
index 0000000000..8711b2145f
--- /dev/null
+++ b/firmware/export/ata-driver.h
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by Boris Gjenero
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef __ATA_DRIVER_H__
+#define __ATA_DRIVER_H__
+
+#include "config.h" /* for HAVE_ATA_DMA */
+#include "ata-target.h" /* for other target-specific defines */
+
+ /* Returns true if the interface hasn't been initialised yet */
+bool ata_is_coldstart(void);
+/* Initializes the interface */
+void ata_device_init(void);
+/* ata_enable(true) is used after ata_device_init() to enable the interface
+ * ata_enable(false) is used to disable the interface so 
+ * an ATA to USB bridge chip can use it instead.*/
+void ata_enable(bool on);
+/* ATA hard reset: pulse the RESET pin */
+void ata_reset(void);
+
+/* Optional optimized target-specific PIO transfer */
+#ifdef ATA_OPTIMIZED_READING
+void copy_read_sectors(unsigned char* buf, int wordcount);
+#endif
+#ifdef ATA_OPTIMIZED_WRITING
+void copy_write_sectors(const unsigned char* buf, int wordcount);
+#endif
+
+/* Optional target-specific waiting */
+#ifdef ATA_TARGET_POLLING
+int ata_wait_for_bsy(void);
+int ata_wait_for_rdy(void);
+#endif
+
+/* Optional setting of controller timings for PIO mode */
+#ifdef ATA_SET_PIO_TIMING
+void ata_set_pio_timings(int mode);
+#endif
+
+#ifdef HAVE_ATA_DMA
+/* Used to update last disk activity time while waiting for DMA */
+void ata_keep_active(void);
+/* Set DMA mode for ATA interface */
+void ata_dma_set_mode(unsigned char mode);
+/* Sets up DMA transfer */
+bool ata_dma_setup(void *addr, unsigned long bytes, bool write);
+/* Waits for DMA transfer completion */
+bool ata_dma_finish(void);
+#endif /* HAVE_ATA_DMA */
+
+#endif /* __ATA_DRIVER_H__ */
-- 
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