2018-03-14 23:13:07 +00:00
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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2005-04-16 22:20:36 +00:00
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/*******************************************************************************
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*
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* Module Name: rsirq - IRQ resource descriptors
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*
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******************************************************************************/
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#include <acpi/acpi.h>
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2009-01-09 05:30:03 +00:00
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#include "accommon.h"
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#include "acresrc.h"
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2005-04-16 22:20:36 +00:00
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#define _COMPONENT ACPI_RESOURCES
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2005-08-05 04:44:28 +00:00
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ACPI_MODULE_NAME("rsirq")
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2005-04-16 22:20:36 +00:00
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/*******************************************************************************
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*
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2005-10-21 04:00:00 +00:00
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* acpi_rs_get_irq
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2005-04-16 22:20:36 +00:00
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*
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******************************************************************************/
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2012-12-31 00:07:31 +00:00
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struct acpi_rsconvert_info acpi_rs_get_irq[9] = {
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
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ACPI_RS_SIZE(struct acpi_resource_irq),
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ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
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2005-04-19 02:49:35 +00:00
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[ACPI] ACPICA 20050930
Completed a major overhaul of the Resource Manager code -
specifically, optimizations in the area of the AML/internal
resource conversion code. The code has been optimized to
simplify and eliminate duplicated code, CPU stack use has
been decreased by optimizing function parameters and local
variables, and naming conventions across the manager have
been standardized for clarity and ease of maintenance (this
includes function, parameter, variable, and struct/typedef
names.)
All Resource Manager dispatch and information tables have
been moved to a single location for clarity and ease of
maintenance. One new file was created, named "rsinfo.c".
The ACPI return macros (return_ACPI_STATUS, etc.) have
been modified to guarantee that the argument is
not evaluated twice, making them less prone to macro
side-effects. However, since there exists the possibility
of additional stack use if a particular compiler cannot
optimize them (such as in the debug generation case),
the original macros are optionally available. Note that
some invocations of the return_VALUE macro may now cause
size mismatch warnings; the return_UINT8 and return_UINT32
macros are provided to eliminate these. (From Randy Dunlap)
Implemented a new mechanism to enable debug tracing for
individual control methods. A new external interface,
acpi_debug_trace(), is provided to enable this mechanism. The
intent is to allow the host OS to easily enable and disable
tracing for problematic control methods. This interface
can be easily exposed to a user or debugger interface if
desired. See the file psxface.c for details.
acpi_ut_callocate() will now return a valid pointer if a
length of zero is specified - a length of one is used
and a warning is issued. This matches the behavior of
acpi_ut_allocate().
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2005-09-30 23:03:00 +00:00
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/* Get the IRQ mask (bytes 1:2) */
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2005-04-16 22:20:36 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
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AML_OFFSET(irq.irq_mask),
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ACPI_RS_OFFSET(data.irq.interrupt_count)},
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/* Set default flags (others are zero) */
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{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
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ACPI_EDGE_SENSITIVE,
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1},
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2008-04-10 15:06:43 +00:00
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/* Get the descriptor length (2 or 3 for IRQ descriptor) */
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),
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AML_OFFSET(irq.descriptor_type),
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0},
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2005-10-21 04:00:00 +00:00
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/* All done if no flag byte present in descriptor */
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
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2012-12-31 00:07:31 +00:00
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/* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
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AML_OFFSET(irq.flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
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AML_OFFSET(irq.flags),
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3},
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2019-02-15 21:36:19 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable),
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2005-10-21 04:00:00 +00:00
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AML_OFFSET(irq.flags),
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2012-12-31 00:07:31 +00:00
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4},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
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AML_OFFSET(irq.flags),
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5}
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2005-10-21 04:00:00 +00:00
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};
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2005-04-16 22:20:36 +00:00
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/*******************************************************************************
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*
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2005-10-21 04:00:00 +00:00
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* acpi_rs_set_irq
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2005-04-16 22:20:36 +00:00
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*
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******************************************************************************/
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2012-12-31 00:07:31 +00:00
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struct acpi_rsconvert_info acpi_rs_set_irq[14] = {
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2008-04-10 15:06:43 +00:00
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/* Start with a default descriptor of length 3 */
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
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sizeof(struct aml_resource_irq),
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ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
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2005-04-16 22:20:36 +00:00
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[ACPI] ACPICA 20050930
Completed a major overhaul of the Resource Manager code -
specifically, optimizations in the area of the AML/internal
resource conversion code. The code has been optimized to
simplify and eliminate duplicated code, CPU stack use has
been decreased by optimizing function parameters and local
variables, and naming conventions across the manager have
been standardized for clarity and ease of maintenance (this
includes function, parameter, variable, and struct/typedef
names.)
All Resource Manager dispatch and information tables have
been moved to a single location for clarity and ease of
maintenance. One new file was created, named "rsinfo.c".
The ACPI return macros (return_ACPI_STATUS, etc.) have
been modified to guarantee that the argument is
not evaluated twice, making them less prone to macro
side-effects. However, since there exists the possibility
of additional stack use if a particular compiler cannot
optimize them (such as in the debug generation case),
the original macros are optionally available. Note that
some invocations of the return_VALUE macro may now cause
size mismatch warnings; the return_UINT8 and return_UINT32
macros are provided to eliminate these. (From Randy Dunlap)
Implemented a new mechanism to enable debug tracing for
individual control methods. A new external interface,
acpi_debug_trace(), is provided to enable this mechanism. The
intent is to allow the host OS to easily enable and disable
tracing for problematic control methods. This interface
can be easily exposed to a user or debugger interface if
desired. See the file psxface.c for details.
acpi_ut_callocate() will now return a valid pointer if a
length of zero is specified - a length of one is used
and a warning is issued. This matches the behavior of
acpi_ut_allocate().
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2005-09-30 23:03:00 +00:00
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/* Convert interrupt list to 16-bit IRQ bitmask */
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
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AML_OFFSET(irq.irq_mask),
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ACPI_RS_OFFSET(data.irq.interrupt_count)},
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2012-12-31 00:07:31 +00:00
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/* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
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[ACPI] ACPICA 20050930
Completed a major overhaul of the Resource Manager code -
specifically, optimizations in the area of the AML/internal
resource conversion code. The code has been optimized to
simplify and eliminate duplicated code, CPU stack use has
been decreased by optimizing function parameters and local
variables, and naming conventions across the manager have
been standardized for clarity and ease of maintenance (this
includes function, parameter, variable, and struct/typedef
names.)
All Resource Manager dispatch and information tables have
been moved to a single location for clarity and ease of
maintenance. One new file was created, named "rsinfo.c".
The ACPI return macros (return_ACPI_STATUS, etc.) have
been modified to guarantee that the argument is
not evaluated twice, making them less prone to macro
side-effects. However, since there exists the possibility
of additional stack use if a particular compiler cannot
optimize them (such as in the debug generation case),
the original macros are optionally available. Note that
some invocations of the return_VALUE macro may now cause
size mismatch warnings; the return_UINT8 and return_UINT32
macros are provided to eliminate these. (From Randy Dunlap)
Implemented a new mechanism to enable debug tracing for
individual control methods. A new external interface,
acpi_debug_trace(), is provided to enable this mechanism. The
intent is to allow the host OS to easily enable and disable
tracing for problematic control methods. This interface
can be easily exposed to a user or debugger interface if
desired. See the file psxface.c for details.
acpi_ut_callocate() will now return a valid pointer if a
length of zero is specified - a length of one is used
and a warning is issued. This matches the behavior of
acpi_ut_allocate().
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2005-09-30 23:03:00 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
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AML_OFFSET(irq.flags),
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0},
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[ACPI] ACPICA 20050930
Completed a major overhaul of the Resource Manager code -
specifically, optimizations in the area of the AML/internal
resource conversion code. The code has been optimized to
simplify and eliminate duplicated code, CPU stack use has
been decreased by optimizing function parameters and local
variables, and naming conventions across the manager have
been standardized for clarity and ease of maintenance (this
includes function, parameter, variable, and struct/typedef
names.)
All Resource Manager dispatch and information tables have
been moved to a single location for clarity and ease of
maintenance. One new file was created, named "rsinfo.c".
The ACPI return macros (return_ACPI_STATUS, etc.) have
been modified to guarantee that the argument is
not evaluated twice, making them less prone to macro
side-effects. However, since there exists the possibility
of additional stack use if a particular compiler cannot
optimize them (such as in the debug generation case),
the original macros are optionally available. Note that
some invocations of the return_VALUE macro may now cause
size mismatch warnings; the return_UINT8 and return_UINT32
macros are provided to eliminate these. (From Randy Dunlap)
Implemented a new mechanism to enable debug tracing for
individual control methods. A new external interface,
acpi_debug_trace(), is provided to enable this mechanism. The
intent is to allow the host OS to easily enable and disable
tracing for problematic control methods. This interface
can be easily exposed to a user or debugger interface if
desired. See the file psxface.c for details.
acpi_ut_callocate() will now return a valid pointer if a
length of zero is specified - a length of one is used
and a warning is issued. This matches the behavior of
acpi_ut_allocate().
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2005-09-30 23:03:00 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
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AML_OFFSET(irq.flags),
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3},
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2005-04-16 22:20:36 +00:00
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2019-02-15 21:36:19 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.shareable),
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2005-10-21 04:00:00 +00:00
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AML_OFFSET(irq.flags),
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4},
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2008-04-10 15:06:43 +00:00
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2012-12-31 00:07:31 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
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AML_OFFSET(irq.flags),
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5},
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2008-04-10 15:06:43 +00:00
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/*
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* All done if the output descriptor length is required to be 3
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* (i.e., optimization to 2 bytes cannot be attempted)
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*/
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(data.irq.descriptor_length),
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3},
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/* Set length to 2 bytes (no flags byte) */
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{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)},
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/*
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* All done if the output descriptor length is required to be 2.
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*
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* TBD: Perhaps we should check for error if input flags are not
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* compatible with a 2-byte descriptor.
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*/
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(data.irq.descriptor_length),
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2},
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/* Reset length to 3 bytes (descriptor with flags byte) */
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{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)},
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2005-04-16 22:20:36 +00:00
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/*
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2005-10-21 04:00:00 +00:00
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* Check if the flags byte is necessary. Not needed if the flags are:
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* ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
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2005-04-16 22:20:36 +00:00
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*/
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(data.irq.triggering),
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ACPI_EDGE_SENSITIVE},
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2005-04-19 02:49:35 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(data.irq.polarity),
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ACPI_ACTIVE_HIGH},
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2005-04-16 22:20:36 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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2019-02-15 21:36:19 +00:00
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ACPI_RS_OFFSET(data.irq.shareable),
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2005-10-21 04:00:00 +00:00
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ACPI_EXCLUSIVE},
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2005-04-16 22:20:36 +00:00
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2008-04-10 15:06:43 +00:00
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/* We can optimize to a 2-byte irq_no_flags() descriptor */
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2005-04-19 02:49:35 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
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};
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2005-04-16 22:20:36 +00:00
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/*******************************************************************************
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*
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2005-10-21 04:00:00 +00:00
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* acpi_rs_convert_ext_irq
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2005-04-16 22:20:36 +00:00
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*
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******************************************************************************/
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2012-12-31 00:07:31 +00:00
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struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = {
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
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ACPI_RS_SIZE(struct acpi_resource_extended_irq),
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
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2005-04-16 22:20:36 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
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sizeof(struct aml_resource_extended_irq),
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0},
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2005-04-16 22:20:36 +00:00
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2012-12-31 00:07:24 +00:00
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/*
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* Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
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2012-12-31 00:07:31 +00:00
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* Sharing[3], Wake[4]
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2012-12-31 00:07:24 +00:00
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*/
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
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AML_OFFSET(extended_irq.flags),
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0},
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2005-04-16 22:20:36 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
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AML_OFFSET(extended_irq.flags),
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1},
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[ACPI] ACPICA 20050930
Completed a major overhaul of the Resource Manager code -
specifically, optimizations in the area of the AML/internal
resource conversion code. The code has been optimized to
simplify and eliminate duplicated code, CPU stack use has
been decreased by optimizing function parameters and local
variables, and naming conventions across the manager have
been standardized for clarity and ease of maintenance (this
includes function, parameter, variable, and struct/typedef
names.)
All Resource Manager dispatch and information tables have
been moved to a single location for clarity and ease of
maintenance. One new file was created, named "rsinfo.c".
The ACPI return macros (return_ACPI_STATUS, etc.) have
been modified to guarantee that the argument is
not evaluated twice, making them less prone to macro
side-effects. However, since there exists the possibility
of additional stack use if a particular compiler cannot
optimize them (such as in the debug generation case),
the original macros are optionally available. Note that
some invocations of the return_VALUE macro may now cause
size mismatch warnings; the return_UINT8 and return_UINT32
macros are provided to eliminate these. (From Randy Dunlap)
Implemented a new mechanism to enable debug tracing for
individual control methods. A new external interface,
acpi_debug_trace(), is provided to enable this mechanism. The
intent is to allow the host OS to easily enable and disable
tracing for problematic control methods. This interface
can be easily exposed to a user or debugger interface if
desired. See the file psxface.c for details.
acpi_ut_callocate() will now return a valid pointer if a
length of zero is specified - a length of one is used
and a warning is issued. This matches the behavior of
acpi_ut_allocate().
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2005-09-30 23:03:00 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
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AML_OFFSET(extended_irq.flags),
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2},
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2005-04-16 22:20:36 +00:00
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2019-02-15 21:36:19 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.shareable),
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2005-10-21 04:00:00 +00:00
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AML_OFFSET(extended_irq.flags),
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3},
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2005-04-16 22:20:36 +00:00
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2012-12-31 00:07:31 +00:00
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable),
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AML_OFFSET(extended_irq.flags),
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4},
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2005-10-21 04:00:00 +00:00
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/* IRQ Table length (Byte4) */
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2005-04-19 02:49:35 +00:00
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2005-10-21 04:00:00 +00:00
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{ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
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AML_OFFSET(extended_irq.interrupt_count),
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2012-12-19 05:37:15 +00:00
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sizeof(u32)},
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2005-04-16 22:20:36 +00:00
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2005-10-21 04:00:00 +00:00
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/* Copy every IRQ in the table, each is 32 bits */
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2005-04-19 02:49:35 +00:00
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2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
|
|
|
|
AML_OFFSET(extended_irq.interrupts[0]),
|
2012-12-19 05:37:15 +00:00
|
|
|
0},
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
/* Optional resource_source (Index and String) */
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
|
|
|
|
ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
|
|
|
|
sizeof(struct aml_resource_extended_irq)}
|
|
|
|
};
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
*
|
2005-10-21 04:00:00 +00:00
|
|
|
* acpi_rs_convert_dma
|
2005-04-16 22:20:36 +00:00
|
|
|
*
|
|
|
|
******************************************************************************/
|
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
|
|
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
|
|
|
|
ACPI_RS_SIZE(struct acpi_resource_dma),
|
|
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
|
|
|
|
sizeof(struct aml_resource_dma),
|
|
|
|
0},
|
2005-04-19 02:49:35 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
/* Flags: transfer preference, bus mastering, channel speed */
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
|
|
|
|
AML_OFFSET(dma.flags),
|
|
|
|
0},
|
2005-04-19 02:49:35 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
|
|
|
|
AML_OFFSET(dma.flags),
|
|
|
|
2},
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
|
|
|
|
AML_OFFSET(dma.flags),
|
|
|
|
5},
|
2005-04-19 02:49:35 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
/* DMA channel mask bits */
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2005-10-21 04:00:00 +00:00
|
|
|
{ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
|
|
|
|
AML_OFFSET(dma.dma_channel_mask),
|
|
|
|
ACPI_RS_OFFSET(data.dma.channel_count)}
|
|
|
|
};
|
2011-11-16 06:38:13 +00:00
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
*
|
|
|
|
* acpi_rs_convert_fixed_dma
|
|
|
|
*
|
|
|
|
******************************************************************************/
|
|
|
|
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
|
|
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,
|
|
|
|
ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
|
|
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)},
|
|
|
|
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,
|
|
|
|
sizeof(struct aml_resource_fixed_dma),
|
|
|
|
0},
|
|
|
|
|
|
|
|
/*
|
|
|
|
* These fields are contiguous in both the source and destination:
|
|
|
|
* request_lines
|
|
|
|
* Channels
|
|
|
|
*/
|
|
|
|
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),
|
|
|
|
AML_OFFSET(fixed_dma.request_lines),
|
|
|
|
2},
|
|
|
|
|
|
|
|
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),
|
|
|
|
AML_OFFSET(fixed_dma.width),
|
|
|
|
1},
|
|
|
|
};
|