[deliverable/linux.git] / drivers / acpi / acpica / rsirq.c

/*******************************************************************************
 *
 * Module Name: rsirq - IRQ resource descriptors
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2012, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acresrc.h"

#define _COMPONENT          ACPI_RESOURCES
ACPI_MODULE_NAME("rsirq")

/*******************************************************************************
 *
 * acpi_rs_get_irq
 *
 ******************************************************************************/
struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
	 ACPI_RS_SIZE(struct acpi_resource_irq),
	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},

	/* Get the IRQ mask (bytes 1:2) */

	{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
	 AML_OFFSET(irq.irq_mask),
	 ACPI_RS_OFFSET(data.irq.interrupt_count)},

	/* Set default flags (others are zero) */

	{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
	 ACPI_EDGE_SENSITIVE,
	 1},

	/* Get the descriptor length (2 or 3 for IRQ descriptor) */

	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),
	 AML_OFFSET(irq.descriptor_type),
	 0},

	/* All done if no flag byte present in descriptor */

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},

	/* Get flags: Triggering[0], Polarity[3], Sharing[4] */

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
	 AML_OFFSET(irq.flags),
	 0},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
	 AML_OFFSET(irq.flags),
	 3},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
	 AML_OFFSET(irq.flags),
	 4}
};

/*******************************************************************************
 *
 * acpi_rs_set_irq
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
	/* Start with a default descriptor of length 3 */

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
	 sizeof(struct aml_resource_irq),
	 ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},

	/* Convert interrupt list to 16-bit IRQ bitmask */

	{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
	 AML_OFFSET(irq.irq_mask),
	 ACPI_RS_OFFSET(data.irq.interrupt_count)},

	/* Set the flags byte */

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
	 AML_OFFSET(irq.flags),
	 0},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
	 AML_OFFSET(irq.flags),
	 3},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
	 AML_OFFSET(irq.flags),
	 4},

	/*
	 * All done if the output descriptor length is required to be 3
	 * (i.e., optimization to 2 bytes cannot be attempted)
	 */
	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
	 ACPI_RS_OFFSET(data.irq.descriptor_length),
	 3},

	/* Set length to 2 bytes (no flags byte) */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)},

	/*
	 * All done if the output descriptor length is required to be 2.
	 *
	 * TBD: Perhaps we should check for error if input flags are not
	 * compatible with a 2-byte descriptor.
	 */
	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
	 ACPI_RS_OFFSET(data.irq.descriptor_length),
	 2},

	/* Reset length to 3 bytes (descriptor with flags byte) */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)},

	/*
	 * Check if the flags byte is necessary. Not needed if the flags are:
	 * ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
	 */
	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	 ACPI_RS_OFFSET(data.irq.triggering),
	 ACPI_EDGE_SENSITIVE},

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	 ACPI_RS_OFFSET(data.irq.polarity),
	 ACPI_ACTIVE_HIGH},

	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	 ACPI_RS_OFFSET(data.irq.sharable),
	 ACPI_EXCLUSIVE},

	/* We can optimize to a 2-byte irq_no_flags() descriptor */

	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
};

/*******************************************************************************
 *
 * acpi_rs_convert_ext_irq
 *
 ******************************************************************************/

struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
	 ACPI_RS_SIZE(struct acpi_resource_extended_irq),
	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
	 sizeof(struct aml_resource_extended_irq),
	 0},

	/* Flag bits */

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
	 AML_OFFSET(extended_irq.flags),
	 0},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
	 AML_OFFSET(extended_irq.flags),
	 1},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
	 AML_OFFSET(extended_irq.flags),
	 2},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable),
	 AML_OFFSET(extended_irq.flags),
	 3},

	/* IRQ Table length (Byte4) */

	{ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
	 AML_OFFSET(extended_irq.interrupt_count),
	 sizeof(u32)}
	,

	/* Copy every IRQ in the table, each is 32 bits */

	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
	 AML_OFFSET(extended_irq.interrupts[0]),
	 0}
	,

	/* Optional resource_source (Index and String) */

	{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)}
};

/*******************************************************************************
 *
 * acpi_rs_convert_dma
 *
 ******************************************************************************/

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)},

	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
	 sizeof(struct aml_resource_dma),
	 0},

	/* Flags: transfer preference, bus mastering, channel speed */

	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
	 AML_OFFSET(dma.flags),
	 0},

	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
	 AML_OFFSET(dma.flags),
	 2},

	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
	 AML_OFFSET(dma.flags),
	 5},

	/* DMA channel mask bits */

	{ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
	 AML_OFFSET(dma.dma_channel_mask),
	 ACPI_RS_OFFSET(data.dma.channel_count)}
};

/*******************************************************************************
 *
 * 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},

};
Commit	Line	Data
1da177e4 LT	1	/*******************************************************************************
	2	*
	3	* Module Name: rsirq - IRQ resource descriptors
	4	*
	5	******************************************************************************/
	6
	7	/*
77848130	8	* Copyright (C) 2000 - 2012, Intel Corp.
1da177e4 LT	9	* All rights reserved.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions, and the following disclaimer,
	16	* without modification.
	17	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	18	* substantially similar to the "NO WARRANTY" disclaimer below
	19	* ("Disclaimer") and any redistribution must be conditioned upon
	20	* including a substantially similar Disclaimer requirement for further
	21	* binary redistribution.
	22	* 3. Neither the names of the above-listed copyright holders nor the names
	23	* of any contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* Alternatively, this software may be distributed under the terms of the
	27	* GNU General Public License ("GPL") version 2 as published by the Free
	28	* Software Foundation.
	29	*
	30	* NO WARRANTY
	31	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	32	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	33	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	34	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	35	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	40	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	41	* POSSIBILITY OF SUCH DAMAGES.
	42	*/
	43
1da177e4	44	#include <acpi/acpi.h>
e2f7a777 LB	45	#include "accommon.h"
e2f7a777 LB	46	#include "acresrc.h"
1da177e4 LT	47
1da177e4 LT	48	#define _COMPONENT ACPI_RESOURCES
4be44fcd	49	ACPI_MODULE_NAME("rsirq")
1da177e4 LT	50
	51	/*******************************************************************************
	52	*
0897831b	53	* acpi_rs_get_irq
1da177e4 LT	54	*
1da177e4 LT	55	******************************************************************************/
1d5b285d	56	struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
0897831b BM	57	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
	58	ACPI_RS_SIZE(struct acpi_resource_irq),
	59	ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
44f6c012	60
50eca3eb	61	/* Get the IRQ mask (bytes 1:2) */
1da177e4	62
0897831b BM	63	{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
	64	AML_OFFSET(irq.irq_mask),
	65	ACPI_RS_OFFSET(data.irq.interrupt_count)},
	66
	67	/* Set default flags (others are zero) */
	68
	69	{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.irq.triggering),
	70	ACPI_EDGE_SENSITIVE,
	71	1},
	72
1d5b285d BM	73	/* Get the descriptor length (2 or 3 for IRQ descriptor) */
	74
	75	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.irq.descriptor_length),
	76	AML_OFFSET(irq.descriptor_type),
	77	0},
	78
0897831b BM	79	/* All done if no flag byte present in descriptor */
	80
	81	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
	82
	83	/* Get flags: Triggering[0], Polarity[3], Sharing[4] */
	84
	85	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
	86	AML_OFFSET(irq.flags),
	87	0},
	88
	89	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
	90	AML_OFFSET(irq.flags),
	91	3},
	92
	93	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
	94	AML_OFFSET(irq.flags),
	95	4}
	96	};
1da177e4	97
1da177e4 LT	98	/*******************************************************************************
1da177e4 LT	99	*
0897831b	100	* acpi_rs_set_irq
1da177e4 LT	101	*
	102	******************************************************************************/
	103
1d5b285d BM	104	struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
	105	/* Start with a default descriptor of length 3 */
	106
0897831b BM	107	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
	108	sizeof(struct aml_resource_irq),
	109	ACPI_RSC_TABLE_SIZE(acpi_rs_set_irq)},
1da177e4	110
50eca3eb BM	111	/* Convert interrupt list to 16-bit IRQ bitmask */
50eca3eb BM	112
0897831b BM	113	{ACPI_RSC_BITMASK16, ACPI_RS_OFFSET(data.irq.interrupts[0]),
	114	AML_OFFSET(irq.irq_mask),
	115	ACPI_RS_OFFSET(data.irq.interrupt_count)},
	116
1d5b285d	117	/* Set the flags byte */
50eca3eb	118
0897831b BM	119	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
	120	AML_OFFSET(irq.flags),
	121	0},
50eca3eb	122
0897831b BM	123	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.polarity),
	124	AML_OFFSET(irq.flags),
	125	3},
1da177e4	126
0897831b BM	127	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
	128	AML_OFFSET(irq.flags),
	129	4},
1d5b285d BM	130
	131	/*
	132	* All done if the output descriptor length is required to be 3
	133	* (i.e., optimization to 2 bytes cannot be attempted)
	134	*/
	135	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
	136	ACPI_RS_OFFSET(data.irq.descriptor_length),
	137	3},
	138
	139	/* Set length to 2 bytes (no flags byte) */
	140
	141	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)},
	142
	143	/*
	144	* All done if the output descriptor length is required to be 2.
	145	*
	146	* TBD: Perhaps we should check for error if input flags are not
	147	* compatible with a 2-byte descriptor.
	148	*/
	149	{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
	150	ACPI_RS_OFFSET(data.irq.descriptor_length),
	151	2},
	152
	153	/* Reset length to 3 bytes (descriptor with flags byte) */
	154
	155	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq)},
	156
1da177e4	157	/*
0897831b BM	158	* Check if the flags byte is necessary. Not needed if the flags are:
0897831b BM	159	* ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
1da177e4	160	*/
0897831b BM	161	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	162	ACPI_RS_OFFSET(data.irq.triggering),
	163	ACPI_EDGE_SENSITIVE},
44f6c012	164
0897831b BM	165	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	166	ACPI_RS_OFFSET(data.irq.polarity),
	167	ACPI_ACTIVE_HIGH},
1da177e4	168
0897831b BM	169	{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
	170	ACPI_RS_OFFSET(data.irq.sharable),
	171	ACPI_EXCLUSIVE},
1da177e4	172
1d5b285d	173	/* We can optimize to a 2-byte irq_no_flags() descriptor */
44f6c012	174
0897831b BM	175	{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_irq_noflags)}
0897831b BM	176	};
1da177e4	177
1da177e4 LT	178	/*******************************************************************************
1da177e4 LT	179	*
0897831b	180	* acpi_rs_convert_ext_irq
1da177e4 LT	181	*
	182	******************************************************************************/
	183
0897831b BM	184	struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
	185	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
	186	ACPI_RS_SIZE(struct acpi_resource_extended_irq),
	187	ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
1da177e4	188
0897831b BM	189	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
	190	sizeof(struct aml_resource_extended_irq),
	191	0},
1da177e4	192
0897831b	193	/* Flag bits */
44f6c012	194
0897831b BM	195	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
	196	AML_OFFSET(extended_irq.flags),
	197	0},
1da177e4	198
0897831b BM	199	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.triggering),
	200	AML_OFFSET(extended_irq.flags),
	201	1},
50eca3eb	202
0897831b BM	203	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.polarity),
	204	AML_OFFSET(extended_irq.flags),
	205	2},
1da177e4	206
0897831b BM	207	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.sharable),
	208	AML_OFFSET(extended_irq.flags),
	209	3},
1da177e4	210
0897831b	211	/* IRQ Table length (Byte4) */
44f6c012	212
0897831b BM	213	{ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
	214	AML_OFFSET(extended_irq.interrupt_count),
	215	sizeof(u32)}
	216	,
1da177e4	217
0897831b	218	/* Copy every IRQ in the table, each is 32 bits */
44f6c012	219
0897831b BM	220	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
	221	AML_OFFSET(extended_irq.interrupts[0]),
	222	0}
	223	,
1da177e4	224
0897831b	225	/* Optional resource_source (Index and String) */
1da177e4	226
0897831b BM	227	{ACPI_RSC_SOURCEX, ACPI_RS_OFFSET(data.extended_irq.resource_source),
	228	ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
	229	sizeof(struct aml_resource_extended_irq)}
	230	};
1da177e4	231
1da177e4 LT	232	/*******************************************************************************
1da177e4 LT	233	*
0897831b	234	* acpi_rs_convert_dma
1da177e4 LT	235	*
	236	******************************************************************************/
	237
0897831b BM	238	struct acpi_rsconvert_info acpi_rs_convert_dma[6] = {
	239	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
	240	ACPI_RS_SIZE(struct acpi_resource_dma),
	241	ACPI_RSC_TABLE_SIZE(acpi_rs_convert_dma)},
1da177e4	242
0897831b BM	243	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
	244	sizeof(struct aml_resource_dma),
	245	0},
44f6c012	246
0897831b	247	/* Flags: transfer preference, bus mastering, channel speed */
1da177e4	248
0897831b BM	249	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.transfer),
	250	AML_OFFSET(dma.flags),
	251	0},
44f6c012	252
0897831b BM	253	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.dma.bus_master),
	254	AML_OFFSET(dma.flags),
	255	2},
1da177e4	256
0897831b BM	257	{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.dma.type),
	258	AML_OFFSET(dma.flags),
	259	5},
44f6c012	260
0897831b	261	/* DMA channel mask bits */
1da177e4	262
0897831b BM	263	{ACPI_RSC_BITMASK, ACPI_RS_OFFSET(data.dma.channels[0]),
	264	AML_OFFSET(dma.dma_channel_mask),
	265	ACPI_RS_OFFSET(data.dma.channel_count)}
	266	};
e0fe0a8d LM	267
	268	/*******************************************************************************
	269	*
	270	* acpi_rs_convert_fixed_dma
	271	*
	272	******************************************************************************/
	273
	274	struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
	275	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA,
	276	ACPI_RS_SIZE(struct acpi_resource_fixed_dma),
	277	ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)},
	278
	279	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA,
	280	sizeof(struct aml_resource_fixed_dma),
	281	0},
	282
	283	/*
	284	* These fields are contiguous in both the source and destination:
	285	* request_lines
	286	* Channels
	287	*/
	288
	289	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),
	290	AML_OFFSET(fixed_dma.request_lines),
	291	2},
	292
	293	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),
	294	AML_OFFSET(fixed_dma.width),
	295	1},
	296
	297	};