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authorJoel Sherrill <joel.sherrill@OARcorp.com>2002-10-28 14:11:05 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2002-10-28 14:11:05 +0000
commitd6a859195cfe8977508dee71e7951cffb6630c70 (patch)
tree189a6b57b4a9cd111437924c952ca14f3dc61ab1
parenta1f10111da5d72c3e9e7f3cd69561f945fd25277 (diff)
downloadrtems-d6a859195cfe8977508dee71e7951cffb6630c70.tar.bz2
2002-10-28 Eugeny S. Mints <Eugeny.Mints@oktet.ru>
* ide_ctrl.c: New file.
-rw-r--r--c/src/lib/libbsp/shared/ChangeLog4
-rw-r--r--c/src/lib/libbsp/shared/ide_ctrl.c179
2 files changed, 183 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/shared/ChangeLog b/c/src/lib/libbsp/shared/ChangeLog
index 466676572a..da6b7f0a2a 100644
--- a/c/src/lib/libbsp/shared/ChangeLog
+++ b/c/src/lib/libbsp/shared/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-28 Eugeny S. Mints <Eugeny.Mints@oktet.ru>
+
+ * ide_ctrl.c: New file.
+
2002-06-25 Joel Sherrill <joel@OARcorp.com>
* Thomas Doerfler <Thomas.Doerfler@imd-systems.de> added m68k
diff --git a/c/src/lib/libbsp/shared/ide_ctrl.c b/c/src/lib/libbsp/shared/ide_ctrl.c
new file mode 100644
index 0000000000..95e422fcf1
--- /dev/null
+++ b/c/src/lib/libbsp/shared/ide_ctrl.c
@@ -0,0 +1,179 @@
+/*
+ * ide_controller.c
+ *
+ * This is generic rtems driver for IDE controllers.
+ *
+ * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
+ * Authors: Alexandra Kossovsky <sasha@oktet.ru>
+ * Eugeny S. Mints <Eugeny.Mints@oktet.ru>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ *
+ */
+#include <chain.h>
+#include <assert.h>
+#include <rtems/blkdev.h>
+
+#include <libchip/ide_ctrl_cfg.h>
+#include <libchip/ide_ctrl_io.h>
+
+/*
+ * ide_controller_initialize --
+ * Initializes all configured IDE controllers. Controllers configuration
+ * table is provided by BSP
+ *
+ * PARAMETERS:
+ * major - device major number
+ * minor_arg - device minor number
+ * args - arguments
+ *
+ * RETURNS:
+ * RTEMS_SUCCESSFUL on success, or error code if
+ * error occured
+ */
+rtems_device_driver
+ide_controller_initialize(rtems_device_major_number major,
+ rtems_device_minor_number minor_arg,
+ void *args)
+{
+ unsigned long minor;
+ rtems_status_code status;
+
+ /* FIXME: may be it should be done on compilation phase */
+ if (IDE_Controller_Count > IDE_CTRL_MAX_MINOR_NUMBER)
+ rtems_fatal_error_occurred(RTEMS_TOO_MANY);
+
+ for (minor=0; minor < IDE_Controller_Count; minor++)
+ {
+ IDE_Controller_Table[minor].status = IDE_CTRL_NON_INITIALIZED;
+
+ if ((IDE_Controller_Table[minor].probe != NULL &&
+ IDE_Controller_Table[minor].probe(minor)) ||
+ IDE_Controller_Table[minor].fns->ctrl_probe(minor))
+ {
+ status = rtems_io_register_name(IDE_Controller_Table[minor].name,
+ major, minor);
+ if (status != RTEMS_SUCCESSFUL)
+ rtems_fatal_error_occurred(status);
+
+ IDE_Controller_Table[minor].fns->ctrl_initialize(minor);
+
+ IDE_Controller_Table[minor].status = IDE_CTRL_INITIALIZED;
+ }
+ }
+ return RTEMS_SUCCESSFUL;
+}
+
+/*
+ * ide_controller_read_data_block --
+ * Read data block via controller's data register
+ *
+ * PARAMETERS:
+ * minor - minor number of controller
+ * block_size - number of bytes to read
+ * bufs - set of buffers to store data
+ * cbuf - number of current buffer from the set
+ * pos - position inside current buffer 'cbuf'
+ *
+ * RETURNS:
+ * NONE
+ */
+void
+ide_controller_read_data_block(rtems_device_minor_number minor,
+ unsigned16 block_size,
+ blkdev_sg_buffer *bufs,
+ rtems_unsigned32 *cbuf,
+ rtems_unsigned32 *pos)
+{
+ IDE_Controller_Table[minor].fns->ctrl_read_block(minor, block_size, bufs,
+ cbuf, pos);
+}
+
+/*
+ * ide_controller_write_data_block --
+ * Write data block via controller's data register
+ *
+ * PARAMETERS:
+ * minor - minor number of controller
+ * block_size - number of bytes to write
+ * bufs - set of buffers which store data
+ * cbuf - number of current buffer from the set
+ * pos - position inside current buffer 'cbuf'
+ *
+ * RETURNS:
+ * NONE
+ */
+void
+ide_controller_write_data_block(rtems_device_minor_number minor,
+ unsigned16 block_size,
+ blkdev_sg_buffer *bufs,
+ rtems_unsigned32 *cbuf,
+ rtems_unsigned32 *pos)
+
+{
+ IDE_Controller_Table[minor].fns->ctrl_write_block(minor, block_size, bufs,
+ cbuf, pos);
+}
+
+/*
+ * ide_controller_read_register --
+ * Read controller's register
+ *
+ * PARAMETERS:
+ * minor - minor number of controller
+ * reg - register to read
+ * value - placeholder for result
+ *
+ * RETURNS
+ * NONE
+ */
+void
+ide_controller_read_register(rtems_device_minor_number minor,
+ int reg,
+ unsigned16 *value)
+{
+ IDE_Controller_Table[minor].fns->ctrl_reg_read(minor, reg, value);
+}
+
+/*
+ * ide_controller_write_register --
+ * Write controller's register
+ *
+ * PARAMETERS:
+ * minor - minor number of controller
+ * reg - register to write
+ * value - value to write
+ *
+ * RETURNS:
+ * NONE
+ */
+void
+ide_controller_write_register(rtems_device_minor_number minor, int reg,
+ unsigned16 value)
+{
+ IDE_Controller_Table[minor].fns->ctrl_reg_write(minor, reg, value);
+}
+
+/*
+ * ide_controller_config_io_speed --
+ * Set controller's speed of IO operations
+ *
+ * PARAMETERS:
+ * minor - minor number of controller
+ * modes_avaible - speeds available
+ *
+ * RETURNS:
+ * RTEMS_SUCCESSFUL on success, or error code if
+ * error occured
+ */
+rtems_status_code
+ide_controller_config_io_speed(int minor, unsigned8 modes_avaible)
+{
+ return IDE_Controller_Table[minor].fns->ctrl_config_io_speed(
+ minor,
+ modes_avaible);
+}