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2003-03-25 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>

Browse Source 
PR 368/filesystems
	* ide/Makefile.am, ide/ide_ctrl_cfg.h: General improvements which
	now work on pc386 and mbx8xx.
	* ide/ide_controller.c: New file.
This commit is contained in:
Joel Sherrill
2003-03-25 18:25:03 +00:00
parent 26e927f71b
commit 08d43444a5
4 changed files with 208 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
c/src/libchip/ChangeLog
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@@ -1,3 +1,10 @@
2003-03-25 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>
PR 368/filesystems
* ide/Makefile.am, ide/ide_ctrl_cfg.h: General improvements which
now work on pc386 and mbx8xx.
* ide/ide_controller.c: New file.
2003-03-06 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* configure.ac: Remove AC_CONFIG_AUX_DIR.

22
c/src/libchip/ide/Makefile.am
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@@ -5,8 +5,22 @@
include_idedir = $(includedir)/libchip
LIBNAME = libide
LIB = $(ARCH)/$(LIBNAME).a
C_FILES = ide_controller.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
noinst_HEADERS =
include_ide_HEADERS = ide_ctrl_cfg.h ide_ctrl.h ide_ctrl_io.h
OBJS = $(C_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../automake/compile.am
include $(top_srcdir)/../../../automake/lib.am
PREINSTALL_FILES = $(PROJECT_INCLUDE)/libchip \
$(include_ide_HEADERS:%=$(PROJECT_INCLUDE)/libchip/%)
@@ -15,9 +29,13 @@ $(PROJECT_INCLUDE)/libchip:
$(PROJECT_INCLUDE)/libchip/%.h: %.h
$(INSTALL_DATA) $< $@
all-local: $(PREINSTALL_FILES)
$(LIB): $(OBJS)
$(make-library)
EXTRA_DIST =
all-local: $(ARCH) $(PREINSTALL_FILES) $(LIB)
EXTRA_DIST = $(C_FILES)
include $(top_srcdir)/../../../automake/subdirs.am
include $(top_srcdir)/../../../automake/local.am

179
c/src/libchip/ide/ide_controller.c Normal file
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@@ -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);
}

3
c/src/libchip/ide/ide_ctrl_cfg.h
View File

@@ -26,6 +26,7 @@ extern "C" {
* Avaible drivers for IDE controllers
*/
typedef enum {
IDE_STD,
IDE_CUSTOM /* BSP specific driver */
} ide_ctrl_devs_t;
@@ -70,7 +71,7 @@ typedef struct ide_controller_bsp_table_s {
char *name; /* device name */
ide_ctrl_devs_t type; /* chip type */
ide_ctrl_fns_t *fns; /* pointer to the set of driver routines */
boolean (*probe)(int minor); /* probe routine */
boolean (*probe)(int minor); /* general probe routine */
unsigned8 status; /* initialized/non initialized. Should be set
* to zero by static initialization
*/