[mirror_edk2.git] / OvmfPkg / Csm / Include / Protocol / IsaAcpi.h

/** @file\r
  EFI ISA ACPI Protocol is used to enumerate and manage all the ISA controllers on\r
  the platform's ISA Bus.\r
\r
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __ISA_ACPI_H_\r
#define __ISA_ACPI_H_\r
\r
///\r
/// Global ID for the EFI ISA ACPI Protocol.\r
///\r
#define EFI_ISA_ACPI_PROTOCOL_GUID \\r
  { \\r
    0x64a892dc, 0x5561, 0x4536, { 0x92, 0xc7, 0x79, 0x9b, 0xfc, 0x18, 0x33, 0x55 } \\r
  }\r
\r
///\r
/// Forward declaration fo the EFI ISA ACPI Protocol\r
///\r
typedef struct _EFI_ISA_ACPI_PROTOCOL EFI_ISA_ACPI_PROTOCOL;\r
\r
///\r
/// ISA ACPI Protocol interrupt resource attributes.\r
///\r
#define EFI_ISA_ACPI_IRQ_TYPE_HIGH_TRUE_EDGE_SENSITIVE   0x01   ///< Edge triggered interrupt on a rising edge.\r
#define EFI_ISA_ACPI_IRQ_TYPE_LOW_TRUE_EDGE_SENSITIVE    0x02   ///< Edge triggered interrupt on a falling edge.\r
#define EFI_ISA_ACPI_IRQ_TYPE_HIGH_TRUE_LEVEL_SENSITIVE  0x04   ///< Level sensitive interrupt active high.\r
#define EFI_ISA_ACPI_IRQ_TYPE_LOW_TRUE_LEVEL_SENSITIVE   0x08   ///< Level sensitive interrupt active low.\r
\r
///\r
/// ISA ACPI Protocol DMA resource attributes.\r
///\r
#define EFI_ISA_ACPI_DMA_SPEED_TYPE_MASK                 0x03   ///< Bit mask of supported DMA speed attributes.\r
#define EFI_ISA_ACPI_DMA_SPEED_TYPE_COMPATIBILITY        0x00   ///< ISA controller supports compatibility mode DMA transfers.\r
#define EFI_ISA_ACPI_DMA_SPEED_TYPE_A                    0x01   ///< ISA controller supports type A DMA transfers.\r
#define EFI_ISA_ACPI_DMA_SPEED_TYPE_B                    0x02   ///< ISA controller supports type B DMA transfers.\r
#define EFI_ISA_ACPI_DMA_SPEED_TYPE_F                    0x03   ///< ISA controller supports type F DMA transfers.\r
#define EFI_ISA_ACPI_DMA_COUNT_BY_BYTE                   0x04   ///< ISA controller increments DMA address by bytes (8-bit).\r
#define EFI_ISA_ACPI_DMA_COUNT_BY_WORD                   0x08   ///< ISA controller increments DMA address by words (16-bit).\r
#define EFI_ISA_ACPI_DMA_BUS_MASTER                      0x10   ///< ISA controller is a DMA bus master.\r
#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_8_BIT             0x20   ///< ISA controller only supports 8-bit DMA transfers.\r
#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT  0x40   ///< ISA controller both 8-bit and 16-bit DMA transfers.\r
#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_16_BIT            0x80   ///< ISA controller only supports 16-bit DMA transfers.\r
\r
///\r
/// ISA ACPI Protocol MMIO resource attributes\r
///\r
#define EFI_ISA_ACPI_MEMORY_WIDTH_MASK              0x03        ///< Bit mask of supported ISA memory width attributes.\r
#define EFI_ISA_ACPI_MEMORY_WIDTH_8_BIT             0x00        ///< ISA MMIO region only supports 8-bit access.\r
#define EFI_ISA_ACPI_MEMORY_WIDTH_16_BIT            0x01        ///< ISA MMIO region only supports 16-bit access.\r
#define EFI_ISA_ACPI_MEMORY_WIDTH_8_BIT_AND_16_BIT  0x02        ///< ISA MMIO region supports both 8-bit and 16-bit access.\r
#define EFI_ISA_ACPI_MEMORY_WRITEABLE               0x04        ///< ISA MMIO region supports write transactions.\r
#define EFI_ISA_ACPI_MEMORY_CACHEABLE               0x08        ///< ISA MMIO region supports being cached.\r
#define EFI_ISA_ACPI_MEMORY_SHADOWABLE              0x10        ///< ISA MMIO region may be shadowed.\r
#define EFI_ISA_ACPI_MEMORY_EXPANSION_ROM           0x20        ///< ISA MMIO region is an expansion ROM.\r
\r
///\r
/// ISA ACPI Protocol I/O resource attributes\r
///\r
#define EFI_ISA_ACPI_IO_DECODE_10_BITS  0x01                     ///< ISA controllers uses a 10-bit address decoder for I/O cycles.\r
#define EFI_ISA_ACPI_IO_DECODE_16_BITS  0x02                     ///< ISA controllers uses a 16-bit address decoder for I/O cycles.\r
\r
///\r
/// EFI ISA ACPI resource type\r
///\r
typedef enum {\r
  EfiIsaAcpiResourceEndOfList,    ///< Marks the end if a resource list.\r
  EfiIsaAcpiResourceIo,           ///< ISA I/O port resource range.\r
  EfiIsaAcpiResourceMemory,       ///< ISA MMIO resource range.\r
  EfiIsaAcpiResourceDma,          ///< ISA DMA resource.\r
  EfiIsaAcpiResourceInterrupt     ///< ISA interrupt resource.\r
} EFI_ISA_ACPI_RESOURCE_TYPE;\r
\r
///\r
/// EFI ISA ACPI generic resource structure\r
///\r
typedef struct {\r
  EFI_ISA_ACPI_RESOURCE_TYPE    Type;       ///< The type of resource (I/O, MMIO, DMA, Interrupt).\r
  UINT32                        Attribute;  ///< Bit mask of attributes associated with this resource.  See EFI_ISA_ACPI_xxx macros for valid combinations.\r
  UINT32                        StartRange; ///< The start of the resource range.\r
  UINT32                        EndRange;   ///< The end of the resource range.\r
} EFI_ISA_ACPI_RESOURCE;\r
\r
///\r
/// EFI ISA ACPI resource device identifier\r
///\r
typedef struct {\r
  UINT32    HID; ///< The ACPI Hardware Identifier value associated with an ISA controller.  Matchs ACPI DSDT contents.\r
  UINT32    UID; ///< The ACPI Unique Identifier value associated with an ISA controller.  Matches ACPI DSDT contents.\r
} EFI_ISA_ACPI_DEVICE_ID;\r
\r
///\r
/// EFI ISA ACPI resource list\r
///\r
typedef struct {\r
  EFI_ISA_ACPI_DEVICE_ID    Device;        ///< The ACPI HID/UID associated with an ISA controller.\r
  EFI_ISA_ACPI_RESOURCE     *ResourceItem; ///< A pointer to the list of resources associated with an ISA controller.\r
} EFI_ISA_ACPI_RESOURCE_LIST;\r
\r
/**\r
  Enumerates the ISA controllers on an ISA bus.\r
\r
  This service allows all the ISA controllers on an ISA bus to be enumerated.  If\r
  Device is a pointer to a NULL value, then the first ISA controller on the ISA\r
  bus is returned in Device and EFI_SUCCESS is returned.  If Device is a pointer\r
  to a value that was returned on a prior call to DeviceEnumerate(), then the next\r
  ISA controller on the ISA bus is returned in Device and EFI_SUCCESS is returned.\r
  If Device is a pointer to the last ISA controller on the ISA bus, then\r
  EFI_NOT_FOUND is returned.\r
\r
  @param[in]  This     The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[out] Device   The pointer to an ISA controller named by ACPI HID/UID.\r
\r
  @retval EFI_SUCCESS    The next ISA controller on the ISA bus was returned.\r
  @retval EFI_NOT_FOUND  No device found.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_DEVICE_ENUMERATE)(\r
  IN  EFI_ISA_ACPI_PROTOCOL   *This,\r
  OUT EFI_ISA_ACPI_DEVICE_ID  **Device\r
  );\r
\r
/**\r
  Sets the power state of an ISA controller.\r
\r
  This services sets the power state of the ISA controller specified by Device to\r
  the power state specified by OnOff.  TRUE denotes on, FALSE denotes off.\r
  If the power state is successfully set on the ISA Controller, then\r
  EFI_SUCCESS is returned.\r
\r
  @param[in] This     The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in] Device   The pointer to an ISA controller named by ACPI HID/UID.\r
  @param[in] OnOff    TRUE denotes on, FALSE denotes off.\r
\r
  @retval EFI_SUCCESS   Successfully set the power state of the ISA controller.\r
  @retval Other         The ISA controller could not be placed in the requested power state.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_SET_DEVICE_POWER)(\r
  IN EFI_ISA_ACPI_PROTOCOL   *This,\r
  IN EFI_ISA_ACPI_DEVICE_ID  *Device,\r
  IN BOOLEAN                 OnOff\r
  );\r
\r
/**\r
  Retrieves the current set of resources associated with an ISA controller.\r
\r
  Retrieves the set of I/O, MMIO, DMA, and interrupt resources currently\r
  assigned to the ISA controller specified by Device.  These resources\r
  are returned in ResourceList.\r
\r
  @param[in]  This          The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in]  Device        The pointer to an ISA controller named by ACPI HID/UID.\r
  @param[out] ResourceList  The pointer to the current resource list for Device.\r
\r
  @retval EFI_SUCCESS    Successfully retrieved the current resource list.\r
  @retval EFI_NOT_FOUND  The resource list could not be retrieved.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_GET_CUR_RESOURCE)(\r
  IN  EFI_ISA_ACPI_PROTOCOL       *This,\r
  IN  EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  OUT EFI_ISA_ACPI_RESOURCE_LIST  **ResourceList\r
  );\r
\r
/**\r
  Retrieves the set of possible resources that may be assigned to an ISA controller\r
  with SetResource().\r
\r
  Retrieves the possible sets of I/O, MMIO, DMA, and interrupt resources for the\r
  ISA controller specified by Device.  The sets are returned in ResourceList.\r
\r
  @param[in]  This           The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in]  Device         The pointer to an ISA controller named by ACPI HID/UID.\r
  @param[out] ResourceList   The pointer to the returned list of resource lists.\r
\r
  @retval EFI_UNSUPPORTED  This service is not supported.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_GET_POS_RESOURCE)(\r
  IN EFI_ISA_ACPI_PROTOCOL        *This,\r
  IN EFI_ISA_ACPI_DEVICE_ID       *Device,\r
  OUT EFI_ISA_ACPI_RESOURCE_LIST  **ResourceList\r
  );\r
\r
/**\r
  Assigns resources to an ISA controller.\r
\r
  Assigns the I/O, MMIO, DMA, and interrupt resources specified by ResourceList\r
  to the ISA controller specified by Device.  ResourceList must match a resource list returned by GetPosResource() for the same ISA controller.\r
\r
  @param[in] This           The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in] Device         The pointer to an ISA controller named by ACPI HID/UID.\r
  @param[in] ResourceList   The pointer to a resources list that must be one of the\r
                            resource lists returned by GetPosResource() for the\r
                            ISA controller specified by Device.\r
\r
  @retval EFI_SUCCESS  Successfully set resources on the ISA controller.\r
  @retval Other        The resources could not be set for the ISA controller.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_SET_RESOURCE)(\r
  IN EFI_ISA_ACPI_PROTOCOL       *This,\r
  IN EFI_ISA_ACPI_DEVICE_ID      *Device,\r
  IN EFI_ISA_ACPI_RESOURCE_LIST  *ResourceList\r
  );\r
\r
/**\r
  Enables or disables an ISA controller.\r
\r
  @param[in] This     The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in] Device   The pointer to the ISA controller to enable/disable.\r
  @param[in] Enable   TRUE to enable the ISA controller.  FALSE to disable the\r
                      ISA controller.\r
\r
  @retval EFI_SUCCESS   Successfully enabled/disabled the ISA controller.\r
  @retval Other         The ISA controller could not be placed in the requested state.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_ENABLE_DEVICE)(\r
  IN EFI_ISA_ACPI_PROTOCOL   *This,\r
  IN EFI_ISA_ACPI_DEVICE_ID  *Device,\r
  IN BOOLEAN                 Enable\r
  );\r
\r
/**\r
  Initializes an ISA controller, so that it can be used.  This service must be called\r
  before SetResource(), EnableDevice(), or SetPower() will behave as expected.\r
\r
  @param[in] This     The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
  @param[in] Device   The pointer to an ISA controller named by ACPI HID/UID.\r
\r
  @retval EFI_SUCCESS   Successfully initialized an ISA controller.\r
  @retval Other         The ISA controller could not be initialized.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_INIT_DEVICE)(\r
  IN EFI_ISA_ACPI_PROTOCOL   *This,\r
  IN EFI_ISA_ACPI_DEVICE_ID  *Device\r
  );\r
\r
/**\r
  Initializes all the HW states required for the ISA controllers on the ISA bus\r
  to be enumerated and managed by the rest of the services in this prorotol.\r
  This service must be called before any of the other services in this\r
  protocol will function as expected.\r
\r
  @param[in] This  The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
\r
  @retval EFI_SUCCESS   Successfully initialized all required hardware states.\r
  @retval Other         The ISA interface could not be initialized.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_ISA_ACPI_INTERFACE_INIT)(\r
  IN EFI_ISA_ACPI_PROTOCOL  *This\r
  );\r
\r
///\r
/// The EFI_ISA_ACPI_PROTOCOL provides the services to enumerate and manage\r
/// ISA controllers on an ISA bus.  These services include the ability to initialize,\r
/// enable, disable, and manage the power state of ISA controllers.  It also\r
/// includes services to query current resources, query possible resources,\r
/// and assign resources to an ISA controller.\r
///\r
struct _EFI_ISA_ACPI_PROTOCOL {\r
  EFI_ISA_ACPI_DEVICE_ENUMERATE    DeviceEnumerate;\r
  EFI_ISA_ACPI_SET_DEVICE_POWER    SetPower;\r
  EFI_ISA_ACPI_GET_CUR_RESOURCE    GetCurResource;\r
  EFI_ISA_ACPI_GET_POS_RESOURCE    GetPosResource;\r
  EFI_ISA_ACPI_SET_RESOURCE        SetResource;\r
  EFI_ISA_ACPI_ENABLE_DEVICE       EnableDevice;\r
  EFI_ISA_ACPI_INIT_DEVICE         InitDevice;\r
  EFI_ISA_ACPI_INTERFACE_INIT      InterfaceInit;\r
};\r
\r
extern EFI_GUID  gEfiIsaAcpiProtocolGuid;\r
\r
#endif\r
Commit	Line	Data
b522c77b HW	1	/** @file\r
	2	EFI ISA ACPI Protocol is used to enumerate and manage all the ISA controllers on\r
	3	the platform's ISA Bus.\r
	4	\r
	5	Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
	6	SPDX-License-Identifier: BSD-2-Clause-Patent\r
	7	\r
	8	**/\r
	9	\r
	10	#ifndef __ISA_ACPI_H_\r
	11	#define __ISA_ACPI_H_\r
	12	\r
	13	///\r
	14	/// Global ID for the EFI ISA ACPI Protocol.\r
	15	///\r
	16	#define EFI_ISA_ACPI_PROTOCOL_GUID \\r
	17	{ \\r
	18	0x64a892dc, 0x5561, 0x4536, { 0x92, 0xc7, 0x79, 0x9b, 0xfc, 0x18, 0x33, 0x55 } \\r
	19	}\r
	20	\r
	21	///\r
	22	/// Forward declaration fo the EFI ISA ACPI Protocol\r
	23	///\r
	24	typedef struct _EFI_ISA_ACPI_PROTOCOL EFI_ISA_ACPI_PROTOCOL;\r
	25	\r
	26	///\r
	27	/// ISA ACPI Protocol interrupt resource attributes.\r
	28	///\r
	29	#define EFI_ISA_ACPI_IRQ_TYPE_HIGH_TRUE_EDGE_SENSITIVE 0x01 ///< Edge triggered interrupt on a rising edge.\r
	30	#define EFI_ISA_ACPI_IRQ_TYPE_LOW_TRUE_EDGE_SENSITIVE 0x02 ///< Edge triggered interrupt on a falling edge.\r
	31	#define EFI_ISA_ACPI_IRQ_TYPE_HIGH_TRUE_LEVEL_SENSITIVE 0x04 ///< Level sensitive interrupt active high.\r
	32	#define EFI_ISA_ACPI_IRQ_TYPE_LOW_TRUE_LEVEL_SENSITIVE 0x08 ///< Level sensitive interrupt active low.\r
	33	\r
	34	///\r
	35	/// ISA ACPI Protocol DMA resource attributes.\r
	36	///\r
	37	#define EFI_ISA_ACPI_DMA_SPEED_TYPE_MASK 0x03 ///< Bit mask of supported DMA speed attributes.\r
	38	#define EFI_ISA_ACPI_DMA_SPEED_TYPE_COMPATIBILITY 0x00 ///< ISA controller supports compatibility mode DMA transfers.\r
	39	#define EFI_ISA_ACPI_DMA_SPEED_TYPE_A 0x01 ///< ISA controller supports type A DMA transfers.\r
	40	#define EFI_ISA_ACPI_DMA_SPEED_TYPE_B 0x02 ///< ISA controller supports type B DMA transfers.\r
	41	#define EFI_ISA_ACPI_DMA_SPEED_TYPE_F 0x03 ///< ISA controller supports type F DMA transfers.\r
	42	#define EFI_ISA_ACPI_DMA_COUNT_BY_BYTE 0x04 ///< ISA controller increments DMA address by bytes (8-bit).\r
	43	#define EFI_ISA_ACPI_DMA_COUNT_BY_WORD 0x08 ///< ISA controller increments DMA address by words (16-bit).\r
	44	#define EFI_ISA_ACPI_DMA_BUS_MASTER 0x10 ///< ISA controller is a DMA bus master.\r
	45	#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_8_BIT 0x20 ///< ISA controller only supports 8-bit DMA transfers.\r
	46	#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_8_BIT_AND_16_BIT 0x40 ///< ISA controller both 8-bit and 16-bit DMA transfers.\r
	47	#define EFI_ISA_ACPI_DMA_TRANSFER_TYPE_16_BIT 0x80 ///< ISA controller only supports 16-bit DMA transfers.\r
	48	\r
	49	///\r
	50	/// ISA ACPI Protocol MMIO resource attributes\r
	51	///\r
ac0a286f MK	52	#define EFI_ISA_ACPI_MEMORY_WIDTH_MASK 0x03 ///< Bit mask of supported ISA memory width attributes.\r
	53	#define EFI_ISA_ACPI_MEMORY_WIDTH_8_BIT 0x00 ///< ISA MMIO region only supports 8-bit access.\r
	54	#define EFI_ISA_ACPI_MEMORY_WIDTH_16_BIT 0x01 ///< ISA MMIO region only supports 16-bit access.\r
	55	#define EFI_ISA_ACPI_MEMORY_WIDTH_8_BIT_AND_16_BIT 0x02 ///< ISA MMIO region supports both 8-bit and 16-bit access.\r
	56	#define EFI_ISA_ACPI_MEMORY_WRITEABLE 0x04 ///< ISA MMIO region supports write transactions.\r
	57	#define EFI_ISA_ACPI_MEMORY_CACHEABLE 0x08 ///< ISA MMIO region supports being cached.\r
	58	#define EFI_ISA_ACPI_MEMORY_SHADOWABLE 0x10 ///< ISA MMIO region may be shadowed.\r
	59	#define EFI_ISA_ACPI_MEMORY_EXPANSION_ROM 0x20 ///< ISA MMIO region is an expansion ROM.\r
b522c77b HW	60	\r
	61	///\r
	62	/// ISA ACPI Protocol I/O resource attributes\r
	63	///\r
ac0a286f MK	64	#define EFI_ISA_ACPI_IO_DECODE_10_BITS 0x01 ///< ISA controllers uses a 10-bit address decoder for I/O cycles.\r
ac0a286f MK	65	#define EFI_ISA_ACPI_IO_DECODE_16_BITS 0x02 ///< ISA controllers uses a 16-bit address decoder for I/O cycles.\r
b522c77b HW	66	\r
	67	///\r
	68	/// EFI ISA ACPI resource type\r
	69	///\r
	70	typedef enum {\r
	71	EfiIsaAcpiResourceEndOfList, ///< Marks the end if a resource list.\r
	72	EfiIsaAcpiResourceIo, ///< ISA I/O port resource range.\r
	73	EfiIsaAcpiResourceMemory, ///< ISA MMIO resource range.\r
	74	EfiIsaAcpiResourceDma, ///< ISA DMA resource.\r
	75	EfiIsaAcpiResourceInterrupt ///< ISA interrupt resource.\r
	76	} EFI_ISA_ACPI_RESOURCE_TYPE;\r
	77	\r
	78	///\r
	79	/// EFI ISA ACPI generic resource structure\r
	80	///\r
	81	typedef struct {\r
ac0a286f MK	82	EFI_ISA_ACPI_RESOURCE_TYPE Type; ///< The type of resource (I/O, MMIO, DMA, Interrupt).\r
	83	UINT32 Attribute; ///< Bit mask of attributes associated with this resource. See EFI_ISA_ACPI_xxx macros for valid combinations.\r
	84	UINT32 StartRange; ///< The start of the resource range.\r
	85	UINT32 EndRange; ///< The end of the resource range.\r
b522c77b HW	86	} EFI_ISA_ACPI_RESOURCE;\r
	87	\r
	88	///\r
	89	/// EFI ISA ACPI resource device identifier\r
	90	///\r
	91	typedef struct {\r
ac0a286f MK	92	UINT32 HID; ///< The ACPI Hardware Identifier value associated with an ISA controller. Matchs ACPI DSDT contents.\r
ac0a286f MK	93	UINT32 UID; ///< The ACPI Unique Identifier value associated with an ISA controller. Matches ACPI DSDT contents.\r
b522c77b HW	94	} EFI_ISA_ACPI_DEVICE_ID;\r
	95	\r
	96	///\r
	97	/// EFI ISA ACPI resource list\r
	98	///\r
	99	typedef struct {\r
ac0a286f MK	100	EFI_ISA_ACPI_DEVICE_ID Device; ///< The ACPI HID/UID associated with an ISA controller.\r
ac0a286f MK	101	EFI_ISA_ACPI_RESOURCE *ResourceItem; ///< A pointer to the list of resources associated with an ISA controller.\r
b522c77b HW	102	} EFI_ISA_ACPI_RESOURCE_LIST;\r
	103	\r
	104	/**\r
	105	Enumerates the ISA controllers on an ISA bus.\r
	106	\r
	107	This service allows all the ISA controllers on an ISA bus to be enumerated. If\r
	108	Device is a pointer to a NULL value, then the first ISA controller on the ISA\r
	109	bus is returned in Device and EFI_SUCCESS is returned. If Device is a pointer\r
	110	to a value that was returned on a prior call to DeviceEnumerate(), then the next\r
	111	ISA controller on the ISA bus is returned in Device and EFI_SUCCESS is returned.\r
	112	If Device is a pointer to the last ISA controller on the ISA bus, then\r
	113	EFI_NOT_FOUND is returned.\r
	114	\r
	115	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
	116	@param[out] Device The pointer to an ISA controller named by ACPI HID/UID.\r
	117	\r
	118	@retval EFI_SUCCESS The next ISA controller on the ISA bus was returned.\r
	119	@retval EFI_NOT_FOUND No device found.\r
	120	\r
	121	**/\r
	122	typedef\r
	123	EFI_STATUS\r
	124	(EFIAPI *EFI_ISA_ACPI_DEVICE_ENUMERATE)(\r
	125	IN EFI_ISA_ACPI_PROTOCOL *This,\r
	126	OUT EFI_ISA_ACPI_DEVICE_ID **Device\r
	127	);\r
	128	\r
	129	/**\r
	130	Sets the power state of an ISA controller.\r
	131	\r
	132	This services sets the power state of the ISA controller specified by Device to\r
	133	the power state specified by OnOff. TRUE denotes on, FALSE denotes off.\r
f221466e	134	If the power state is successfully set on the ISA Controller, then\r
b522c77b HW	135	EFI_SUCCESS is returned.\r
	136	\r
	137	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
	138	@param[in] Device The pointer to an ISA controller named by ACPI HID/UID.\r
	139	@param[in] OnOff TRUE denotes on, FALSE denotes off.\r
	140	\r
	141	@retval EFI_SUCCESS Successfully set the power state of the ISA controller.\r
	142	@retval Other The ISA controller could not be placed in the requested power state.\r
	143	\r
	144	**/\r
	145	typedef\r
	146	EFI_STATUS\r
	147	(EFIAPI *EFI_ISA_ACPI_SET_DEVICE_POWER)(\r
	148	IN EFI_ISA_ACPI_PROTOCOL *This,\r
	149	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
	150	IN BOOLEAN OnOff\r
	151	);\r
	152	\r
	153	/**\r
	154	Retrieves the current set of resources associated with an ISA controller.\r
	155	\r
	156	Retrieves the set of I/O, MMIO, DMA, and interrupt resources currently\r
	157	assigned to the ISA controller specified by Device. These resources\r
	158	are returned in ResourceList.\r
	159	\r
	160	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
	161	@param[in] Device The pointer to an ISA controller named by ACPI HID/UID.\r
	162	@param[out] ResourceList The pointer to the current resource list for Device.\r
	163	\r
	164	@retval EFI_SUCCESS Successfully retrieved the current resource list.\r
	165	@retval EFI_NOT_FOUND The resource list could not be retrieved.\r
	166	\r
	167	**/\r
	168	typedef\r
	169	EFI_STATUS\r
	170	(EFIAPI *EFI_ISA_ACPI_GET_CUR_RESOURCE)(\r
	171	IN EFI_ISA_ACPI_PROTOCOL *This,\r
	172	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
	173	OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList\r
	174	);\r
	175	\r
	176	/**\r
	177	Retrieves the set of possible resources that may be assigned to an ISA controller\r
	178	with SetResource().\r
	179	\r
	180	Retrieves the possible sets of I/O, MMIO, DMA, and interrupt resources for the\r
	181	ISA controller specified by Device. The sets are returned in ResourceList.\r
	182	\r
	183	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
	184	@param[in] Device The pointer to an ISA controller named by ACPI HID/UID.\r
	185	@param[out] ResourceList The pointer to the returned list of resource lists.\r
	186	\r
	187	@retval EFI_UNSUPPORTED This service is not supported.\r
	188	\r
	189	**/\r
	190	typedef\r
	191	EFI_STATUS\r
	192	(EFIAPI *EFI_ISA_ACPI_GET_POS_RESOURCE)(\r
	193	IN EFI_ISA_ACPI_PROTOCOL *This,\r
	194	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
	195	OUT EFI_ISA_ACPI_RESOURCE_LIST **ResourceList\r
	196	);\r
	197	\r
	198	/**\r
199	Assigns resources to an ISA controller.\r
200	\r
201	Assigns the I/O, MMIO, DMA, and interrupt resources specified by ResourceList\r
202	to the ISA controller specified by Device. ResourceList must match a resource list returned by GetPosResource() for the same ISA controller.\r
203	\r
204	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
205	@param[in] Device The pointer to an ISA controller named by ACPI HID/UID.\r
206	@param[in] ResourceList The pointer to a resources list that must be one of the\r
207	resource lists returned by GetPosResource() for the\r
208	ISA controller specified by Device.\r
209	\r
210	@retval EFI_SUCCESS Successfully set resources on the ISA controller.\r
211	@retval Other The resources could not be set for the ISA controller.\r
212	\r
213	**/\r
214	typedef\r
215	EFI_STATUS\r
216	(EFIAPI *EFI_ISA_ACPI_SET_RESOURCE)(\r
217	IN EFI_ISA_ACPI_PROTOCOL *This,\r
218	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
219	IN EFI_ISA_ACPI_RESOURCE_LIST *ResourceList\r
220	);\r
221	\r
222	/**\r
223	Enables or disables an ISA controller.\r
224	\r
225	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
226	@param[in] Device The pointer to the ISA controller to enable/disable.\r
227	@param[in] Enable TRUE to enable the ISA controller. FALSE to disable the\r
228	ISA controller.\r
229	\r
230	@retval EFI_SUCCESS Successfully enabled/disabled the ISA controller.\r
231	@retval Other The ISA controller could not be placed in the requested state.\r
232	\r
233	**/\r
234	typedef\r
235	EFI_STATUS\r
236	(EFIAPI *EFI_ISA_ACPI_ENABLE_DEVICE)(\r
237	IN EFI_ISA_ACPI_PROTOCOL *This,\r
238	IN EFI_ISA_ACPI_DEVICE_ID *Device,\r
239	IN BOOLEAN Enable\r
240	);\r
241	\r
242	/**\r
243	Initializes an ISA controller, so that it can be used. This service must be called\r
244	before SetResource(), EnableDevice(), or SetPower() will behave as expected.\r
245	\r
246	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
247	@param[in] Device The pointer to an ISA controller named by ACPI HID/UID.\r
248	\r
249	@retval EFI_SUCCESS Successfully initialized an ISA controller.\r
250	@retval Other The ISA controller could not be initialized.\r
251	\r
252	**/\r
253	typedef\r
254	EFI_STATUS\r
255	(EFIAPI *EFI_ISA_ACPI_INIT_DEVICE)(\r
256	IN EFI_ISA_ACPI_PROTOCOL *This,\r
257	IN EFI_ISA_ACPI_DEVICE_ID *Device\r
258	);\r
259	\r
260	/**\r
261	Initializes all the HW states required for the ISA controllers on the ISA bus\r
262	to be enumerated and managed by the rest of the services in this prorotol.\r
263	This service must be called before any of the other services in this\r
264	protocol will function as expected.\r
265	\r
266	@param[in] This The pointer to the EFI_ISA_ACPI_PROTOCOL instance.\r
267	\r
268	@retval EFI_SUCCESS Successfully initialized all required hardware states.\r
269	@retval Other The ISA interface could not be initialized.\r
270	\r
271	**/\r
272	typedef\r
273	EFI_STATUS\r
274	(EFIAPI *EFI_ISA_ACPI_INTERFACE_INIT)(\r
275	IN EFI_ISA_ACPI_PROTOCOL *This\r
276	);\r
277	\r
278	///\r
279	/// The EFI_ISA_ACPI_PROTOCOL provides the services to enumerate and manage\r
280	/// ISA controllers on an ISA bus. These services include the ability to initialize,\r
281	/// enable, disable, and manage the power state of ISA controllers. It also\r
282	/// includes services to query current resources, query possible resources,\r
283	/// and assign resources to an ISA controller.\r
284	///\r
285	struct _EFI_ISA_ACPI_PROTOCOL {\r
ac0a286f MK	286	EFI_ISA_ACPI_DEVICE_ENUMERATE DeviceEnumerate;\r
	287	EFI_ISA_ACPI_SET_DEVICE_POWER SetPower;\r
	288	EFI_ISA_ACPI_GET_CUR_RESOURCE GetCurResource;\r
	289	EFI_ISA_ACPI_GET_POS_RESOURCE GetPosResource;\r
	290	EFI_ISA_ACPI_SET_RESOURCE SetResource;\r
	291	EFI_ISA_ACPI_ENABLE_DEVICE EnableDevice;\r
	292	EFI_ISA_ACPI_INIT_DEVICE InitDevice;\r
	293	EFI_ISA_ACPI_INTERFACE_INIT InterfaceInit;\r
b522c77b HW	294	};\r
b522c77b HW	295	\r
ac0a286f	296	extern EFI_GUID gEfiIsaAcpiProtocolGuid;\r
b522c77b HW	297	\r
b522c77b HW	298	#endif\r