diff options
Diffstat (limited to 'common/dmrestag.c')
| -rw-r--r-- | common/dmrestag.c | 193 |
1 files changed, 159 insertions, 34 deletions
diff --git a/common/dmrestag.c b/common/dmrestag.c index 9cda27fadf32..da0e61daebe0 100644 --- a/common/dmrestag.c +++ b/common/dmrestag.c @@ -63,7 +63,7 @@ AcpiDmUpdateResourceName ( static char * AcpiDmSearchTagList ( UINT32 BitIndex, - ACPI_RESOURCE_TAG *TagList); + const ACPI_RESOURCE_TAG *TagList); static char * AcpiDmGetResourceTag ( @@ -108,7 +108,7 @@ AcpiDmAddResourcesToNamespace ( * ******************************************************************************/ -static ACPI_RESOURCE_TAG AcpiDmIrqTags[] = +static const ACPI_RESOURCE_TAG AcpiDmIrqTags[] = { {( 1 * 8), ACPI_RESTAG_INTERRUPT}, {( 3 * 8) + 0, ACPI_RESTAG_INTERRUPTTYPE}, @@ -117,7 +117,7 @@ static ACPI_RESOURCE_TAG AcpiDmIrqTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmDmaTags[] = +static const ACPI_RESOURCE_TAG AcpiDmDmaTags[] = { {( 1 * 8), ACPI_RESTAG_DMA}, {( 2 * 8) + 0, ACPI_RESTAG_XFERTYPE}, @@ -126,7 +126,7 @@ static ACPI_RESOURCE_TAG AcpiDmDmaTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmIoTags[] = +static const ACPI_RESOURCE_TAG AcpiDmIoTags[] = { {( 1 * 8) + 0, ACPI_RESTAG_DECODE}, {( 2 * 8), ACPI_RESTAG_MINADDR}, @@ -136,14 +136,22 @@ static ACPI_RESOURCE_TAG AcpiDmIoTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmFixedIoTags[] = +static const ACPI_RESOURCE_TAG AcpiDmFixedIoTags[] = { {( 1 * 8), ACPI_RESTAG_BASEADDRESS}, {( 3 * 8), ACPI_RESTAG_LENGTH}, {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmMemory24Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmFixedDmaTags[] = +{ + {( 1 * 8), ACPI_RESTAG_DMA}, + {( 3 * 8), ACPI_RESTAG_DMATYPE}, + {( 5 * 8), ACPI_RESTAG_XFERTYPE}, + {0, NULL} +}; + +static const ACPI_RESOURCE_TAG AcpiDmMemory24Tags[] = { {( 3 * 8) + 0, ACPI_RESTAG_READWRITETYPE}, {( 4 * 8), ACPI_RESTAG_MINADDR}, @@ -153,7 +161,7 @@ static ACPI_RESOURCE_TAG AcpiDmMemory24Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmRegisterTags[] = +static const ACPI_RESOURCE_TAG AcpiDmRegisterTags[] = { {( 3 * 8), ACPI_RESTAG_ADDRESSSPACE}, {( 4 * 8), ACPI_RESTAG_REGISTERBITWIDTH}, @@ -163,7 +171,7 @@ static ACPI_RESOURCE_TAG AcpiDmRegisterTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmMemory32Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmMemory32Tags[] = { {( 3 * 8) + 0, ACPI_RESTAG_READWRITETYPE}, {( 4 * 8), ACPI_RESTAG_MINADDR}, @@ -173,7 +181,7 @@ static ACPI_RESOURCE_TAG AcpiDmMemory32Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmFixedMemory32Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmFixedMemory32Tags[] = { {( 3 * 8) + 0, ACPI_RESTAG_READWRITETYPE}, {( 4 * 8), ACPI_RESTAG_BASEADDRESS}, @@ -181,7 +189,7 @@ static ACPI_RESOURCE_TAG AcpiDmFixedMemory32Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmInterruptTags[] = +static const ACPI_RESOURCE_TAG AcpiDmInterruptTags[] = { {( 3 * 8) + 1, ACPI_RESTAG_INTERRUPTTYPE}, {( 3 * 8) + 2, ACPI_RESTAG_INTERRUPTLEVEL}, @@ -190,7 +198,7 @@ static ACPI_RESOURCE_TAG AcpiDmInterruptTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmAddress16Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmAddress16Tags[] = { {( 4 * 8) + 1, ACPI_RESTAG_DECODE}, {( 4 * 8) + 2, ACPI_RESTAG_MINTYPE}, @@ -203,7 +211,7 @@ static ACPI_RESOURCE_TAG AcpiDmAddress16Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmAddress32Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmAddress32Tags[] = { {( 4 * 8) + 1, ACPI_RESTAG_DECODE}, {( 4 * 8) + 2, ACPI_RESTAG_MINTYPE}, @@ -216,7 +224,7 @@ static ACPI_RESOURCE_TAG AcpiDmAddress32Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmAddress64Tags[] = +static const ACPI_RESOURCE_TAG AcpiDmAddress64Tags[] = { {( 4 * 8) + 1, ACPI_RESTAG_DECODE}, {( 4 * 8) + 2, ACPI_RESTAG_MINTYPE}, @@ -229,7 +237,7 @@ static ACPI_RESOURCE_TAG AcpiDmAddress64Tags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmExtendedAddressTags[] = +static const ACPI_RESOURCE_TAG AcpiDmExtendedAddressTags[] = { {( 4 * 8) + 1, ACPI_RESTAG_DECODE}, {( 4 * 8) + 2, ACPI_RESTAG_MINTYPE}, @@ -243,9 +251,71 @@ static ACPI_RESOURCE_TAG AcpiDmExtendedAddressTags[] = {0, NULL} }; -/* Special-case tables for the type-specific flags */ +/* Subtype tables for GPIO descriptors */ + +static const ACPI_RESOURCE_TAG AcpiDmGpioIntTags[] = +{ + {( 7 * 8) + 0, ACPI_RESTAG_MODE}, + {( 7 * 8) + 1, ACPI_RESTAG_POLARITY}, + {( 7 * 8) + 3, ACPI_RESTAG_INTERRUPTSHARE}, + {( 9 * 8), ACPI_RESTAG_PINCONFIG}, + {(10 * 8), ACPI_RESTAG_DRIVESTRENGTH}, + {(12 * 8), ACPI_RESTAG_DEBOUNCETIME}, + {0, NULL} +}; + +static const ACPI_RESOURCE_TAG AcpiDmGpioIoTags[] = +{ + {( 7 * 8) + 0, ACPI_RESTAG_IORESTRICTION}, + {( 7 * 8) + 3, ACPI_RESTAG_INTERRUPTSHARE}, + {( 9 * 8), ACPI_RESTAG_PINCONFIG}, + {(10 * 8), ACPI_RESTAG_DRIVESTRENGTH}, + {(12 * 8), ACPI_RESTAG_DEBOUNCETIME}, + {0, NULL} +}; + +/* Subtype tables for SerialBus descriptors */ + +static const ACPI_RESOURCE_TAG AcpiDmI2cSerialBusTags[] = +{ + {( 6 * 8) + 0, ACPI_RESTAG_SLAVEMODE}, + {( 7 * 8) + 0, ACPI_RESTAG_MODE}, + {(12 * 8), ACPI_RESTAG_SPEED}, + {(16 * 8), ACPI_RESTAG_ADDRESS}, + {0, NULL} +}; + +static const ACPI_RESOURCE_TAG AcpiDmSpiSerialBusTags[] = +{ + {( 6 * 8) + 0, ACPI_RESTAG_SLAVEMODE}, + {( 7 * 8) + 0, ACPI_RESTAG_MODE}, + {( 7 * 8) + 1, ACPI_RESTAG_DEVICEPOLARITY}, + {(12 * 8), ACPI_RESTAG_SPEED}, + {(16 * 8), ACPI_RESTAG_LENGTH}, + {(17 * 8), ACPI_RESTAG_PHASE}, + {(18 * 8), ACPI_RESTAG_POLARITY}, + {(19 * 8), ACPI_RESTAG_ADDRESS}, + {0, NULL} +}; + +static const ACPI_RESOURCE_TAG AcpiDmUartSerialBusTags[] = +{ + {( 6 * 8) + 0, ACPI_RESTAG_SLAVEMODE}, /* Note: not part of original macro */ + {( 7 * 8) + 0, ACPI_RESTAG_FLOWCONTROL}, + {( 7 * 8) + 2, ACPI_RESTAG_STOPBITS}, + {( 7 * 8) + 4, ACPI_RESTAG_LENGTH}, + {( 7 * 8) + 7, ACPI_RESTAG_ENDIANNESS}, + {(12 * 8), ACPI_RESTAG_SPEED}, + {(16 * 8), ACPI_RESTAG_LENGTH_RX}, + {(18 * 8), ACPI_RESTAG_LENGTH_TX}, + {(20 * 8), ACPI_RESTAG_PARITY}, + {(21 * 8), ACPI_RESTAG_LINE}, + {0, NULL} +}; + +/* Subtype tables for Address descriptor type-specific flags */ -static ACPI_RESOURCE_TAG AcpiDmMemoryFlagTags[] = +static const ACPI_RESOURCE_TAG AcpiDmMemoryFlagTags[] = { {( 5 * 8) + 0, ACPI_RESTAG_READWRITETYPE}, {( 5 * 8) + 1, ACPI_RESTAG_MEMTYPE}, @@ -254,7 +324,7 @@ static ACPI_RESOURCE_TAG AcpiDmMemoryFlagTags[] = {0, NULL} }; -static ACPI_RESOURCE_TAG AcpiDmIoFlagTags[] = +static const ACPI_RESOURCE_TAG AcpiDmIoFlagTags[] = { {( 5 * 8) + 0, ACPI_RESTAG_RANGETYPE}, {( 5 * 8) + 4, ACPI_RESTAG_TYPE}, @@ -263,9 +333,15 @@ static ACPI_RESOURCE_TAG AcpiDmIoFlagTags[] = }; -/* Dispatch table used to obtain the correct tag table for a descriptor */ - -static ACPI_RESOURCE_TAG *AcpiGbl_ResourceTags [] = +/* + * Dispatch table used to obtain the correct tag table for a descriptor. + * + * A NULL in this table means one of three things: + * 1) The descriptor ID is reserved and invalid + * 2) The descriptor has no tags associated with it + * 3) The descriptor has subtypes and a separate table will be used. + */ +static const ACPI_RESOURCE_TAG *AcpiGbl_ResourceTags[] = { /* Small descriptors */ @@ -279,7 +355,7 @@ static ACPI_RESOURCE_TAG *AcpiGbl_ResourceTags [] = NULL, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */ AcpiDmIoTags, /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */ AcpiDmFixedIoTags, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */ - NULL, /* 0x0A, Reserved */ + AcpiDmFixedDmaTags, /* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */ NULL, /* 0x0B, Reserved */ NULL, /* 0x0C, Reserved */ NULL, /* 0x0D, Reserved */ @@ -299,9 +375,29 @@ static ACPI_RESOURCE_TAG *AcpiGbl_ResourceTags [] = AcpiDmAddress16Tags, /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */ AcpiDmInterruptTags, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */ AcpiDmAddress64Tags, /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */ - AcpiDmExtendedAddressTags /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */ + AcpiDmExtendedAddressTags, /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */ + NULL, /* 0x0C, ACPI_RESOURCE_NAME_GPIO - Use Subtype table below */ + NULL, /* 0x0D, Reserved */ + NULL /* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS - Use Subtype table below */ +}; + +/* GPIO Subtypes */ + +static const ACPI_RESOURCE_TAG *AcpiGbl_GpioResourceTags[] = +{ + AcpiDmGpioIntTags, /* 0x00 Interrupt Connection */ + AcpiDmGpioIoTags /* 0x01 I/O Connection */ }; +/* Serial Bus Subtypes */ + +static const ACPI_RESOURCE_TAG *AcpiGbl_SerialResourceTags[] = +{ + NULL, /* 0x00 Reserved */ + AcpiDmI2cSerialBusTags, /* 0x01 I2C SerialBus */ + AcpiDmSpiSerialBusTags, /* 0x02 SPI SerialBus */ + AcpiDmUartSerialBusTags /* 0x03 UART SerialBus */ +}; /* * Globals used to generate unique resource descriptor names. We use names that @@ -666,6 +762,9 @@ AcpiDmUpdateResourceName ( * * DESCRIPTION: Convert a BitIndex into a symbolic resource tag. * + * Note: ResourceIndex should be previously validated and guaranteed to ve + * valid. + * ******************************************************************************/ static char * @@ -674,23 +773,16 @@ AcpiDmGetResourceTag ( AML_RESOURCE *Resource, UINT8 ResourceIndex) { - ACPI_RESOURCE_TAG *TagList; + const ACPI_RESOURCE_TAG *TagList; char *Tag = NULL; /* Get the tag list for this resource descriptor type */ TagList = AcpiGbl_ResourceTags[ResourceIndex]; - if (!TagList) - { - /* There are no tags for this resource type */ - - return (NULL); - } /* - * Handle the type-specific flags field for the address descriptors. - * Kindof brute force, but just blindly search for an index match. + * Handle descriptors that have multiple subtypes */ switch (Resource->DescriptorType) { @@ -699,6 +791,10 @@ AcpiDmGetResourceTag ( case ACPI_RESOURCE_NAME_ADDRESS64: case ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64: + /* + * Subtype differentiation is the flags. + * Kindof brute force, but just blindly search for an index match + */ if (Resource->Address.ResourceType == ACPI_ADDRESS_TYPE_MEMORY_RANGE) { Tag = AcpiDmSearchTagList (BitIndex, AcpiDmMemoryFlagTags); @@ -716,13 +812,42 @@ AcpiDmGetResourceTag ( } break; + case ACPI_RESOURCE_NAME_GPIO: + + /* GPIO connection has 2 subtypes: Interrupt and I/O */ + + if (Resource->Gpio.ConnectionType > AML_RESOURCE_MAX_GPIOTYPE) + { + return (NULL); + } + + TagList = AcpiGbl_GpioResourceTags[Resource->Gpio.ConnectionType]; + break; + + case ACPI_RESOURCE_NAME_SERIAL_BUS: + + /* SerialBus has 3 subtypes: I2C, SPI, and UART */ + + if ((Resource->CommonSerialBus.Type == 0) || + (Resource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)) + { + return (NULL); + } + + TagList = AcpiGbl_SerialResourceTags[Resource->CommonSerialBus.Type]; + break; + default: break; } - /* Search the tag list for this descriptor type */ + /* Search for a match against the BitIndex */ + + if (TagList) + { + Tag = AcpiDmSearchTagList (BitIndex, TagList); + } - Tag = AcpiDmSearchTagList (BitIndex, TagList); return (Tag); } @@ -744,7 +869,7 @@ AcpiDmGetResourceTag ( static char * AcpiDmSearchTagList ( UINT32 BitIndex, - ACPI_RESOURCE_TAG *TagList) + const ACPI_RESOURCE_TAG *TagList) { /* |