ACPI 5.0: Support for all new resource descriptors

FixedDMA, GPIO descriptors, SerialBus descriptors

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index 59122cde247c..d4c30511aca9 100644
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -58,29 +58,48 @@
 #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES      "_ATT"
 #define ACPI_RESTAG_BASEADDRESS                 "_BAS"
 #define ACPI_RESTAG_BUSMASTER                   "_BM_"  /* Master(1), Slave(0) */
+#define ACPI_RESTAG_DEBOUNCETIME                "_DBT"
 #define ACPI_RESTAG_DECODE                      "_DEC"
+#define ACPI_RESTAG_DEVICEPOLARITY              "_DPL"
 #define ACPI_RESTAG_DMA                         "_DMA"
 #define ACPI_RESTAG_DMATYPE                     "_TYP"  /* Compatible(0), A(1), B(2), F(3) */
+#define ACPI_RESTAG_DRIVESTRENGTH               "_DRS"
+#define ACPI_RESTAG_ENDIANNESS                  "_END"
+#define ACPI_RESTAG_FLOWCONTROL                 "_FLC"
 #define ACPI_RESTAG_GRANULARITY                 "_GRA"
 #define ACPI_RESTAG_INTERRUPT                   "_INT"
 #define ACPI_RESTAG_INTERRUPTLEVEL              "_LL_"  /* active_lo(1), active_hi(0) */
 #define ACPI_RESTAG_INTERRUPTSHARE              "_SHR"  /* Shareable(1), no_share(0) */
 #define ACPI_RESTAG_INTERRUPTTYPE               "_HE_"  /* Edge(1), Level(0) */
+#define ACPI_RESTAG_IORESTRICTION               "_IOR"
 #define ACPI_RESTAG_LENGTH                      "_LEN"
+#define ACPI_RESTAG_LINE                        "_LIN"
 #define ACPI_RESTAG_MEMATTRIBUTES               "_MTP"  /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
 #define ACPI_RESTAG_MEMTYPE                     "_MEM"  /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
 #define ACPI_RESTAG_MAXADDR                     "_MAX"
 #define ACPI_RESTAG_MINADDR                     "_MIN"
 #define ACPI_RESTAG_MAXTYPE                     "_MAF"
 #define ACPI_RESTAG_MINTYPE                     "_MIF"
+#define ACPI_RESTAG_MODE                        "_MOD"
+#define ACPI_RESTAG_PARITY                      "_PAR"
+#define ACPI_RESTAG_PHASE                       "_PHA"
+#define ACPI_RESTAG_PIN                         "_PIN"
+#define ACPI_RESTAG_PINCONFIG                   "_PPI"
+#define ACPI_RESTAG_POLARITY                    "_POL"
 #define ACPI_RESTAG_REGISTERBITOFFSET           "_RBO"
 #define ACPI_RESTAG_REGISTERBITWIDTH            "_RBW"
 #define ACPI_RESTAG_RANGETYPE                   "_RNG"
 #define ACPI_RESTAG_READWRITETYPE               "_RW_"  /* read_only(0), Writeable (1) */
+#define ACPI_RESTAG_LENGTH_RX                   "_RXL"
+#define ACPI_RESTAG_LENGTH_TX                   "_TXL"
+#define ACPI_RESTAG_SLAVEMODE                   "_SLV"
+#define ACPI_RESTAG_SPEED                       "_SPE"
+#define ACPI_RESTAG_STOPBITS                    "_STB"
 #define ACPI_RESTAG_TRANSLATION                 "_TRA"
 #define ACPI_RESTAG_TRANSTYPE                   "_TRS"  /* Sparse(1), Dense(0) */
 #define ACPI_RESTAG_TYPE                        "_TTP"  /* Translation(1), Static (0) */
 #define ACPI_RESTAG_XFERTYPE                    "_SIZ"  /* 8(0), 8_and16(1), 16(2) */
+#define ACPI_RESTAG_VENDORDATA                  "_VEN"
 
 /* Default sizes for "small" resource descriptors */
 
@@ -90,6 +109,7 @@
 #define ASL_RDESC_END_DEPEND_SIZE               0x00
 #define ASL_RDESC_IO_SIZE                       0x07
 #define ASL_RDESC_FIXED_IO_SIZE                 0x03
+#define ASL_RDESC_FIXED_DMA_SIZE                0x05
 #define ASL_RDESC_END_TAG_SIZE                  0x01
 
 struct asl_resource_node {
@@ -164,6 +184,12 @@ struct aml_resource_end_tag {
         AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
 };
 
+struct aml_resource_fixed_dma {
+        AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
+        u16 channels;
+        u8 width;
+};
+
 /*
  * LARGE descriptors
  */
@@ -263,6 +289,110 @@ struct aml_resource_generic_register {
         u64 address;
 };
 
+/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
+
+struct aml_resource_gpio {
+        AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
+        u8 connection_type;
+        u16 flags;
+        u16 int_flags;
+        u8 pin_config;
+        u16 drive_strength;
+        u16 debounce_timeout;
+        u16 pin_table_offset;
+        u8 res_source_index;
+        u16 res_source_offset;
+        u16 vendor_offset;
+        u16 vendor_length;
+        /*
+         * Optional fields follow immediately:
+         * 1) PIN list (Words)
+         * 2) Resource Source String
+         * 3) Vendor Data bytes
+         */
+};
+
+#define AML_RESOURCE_GPIO_REVISION              1       /* ACPI 5.0 */
+
+/* Values for connection_type above */
+
+#define AML_RESOURCE_GPIO_TYPE_INT              0
+#define AML_RESOURCE_GPIO_TYPE_IO               1
+#define AML_RESOURCE_MAX_GPIOTYPE               1
+
+/* Common preamble for all serial descriptors (ACPI 5.0) */
+
+#define AML_RESOURCE_SERIAL_COMMON \
+        u8                              revision_id; \
+        u8                              res_source_index; \
+        u8                              type; \
+        u8                              flags; \
+        u16                             type_specific_flags; \
+        u8                              type_revision_id; \
+        u16                             type_data_length; \
+
+/* Values for the type field above */
+
+#define AML_RESOURCE_I2C_SERIALBUSTYPE          1
+#define AML_RESOURCE_SPI_SERIALBUSTYPE          2
+#define AML_RESOURCE_UART_SERIALBUSTYPE         3
+#define AML_RESOURCE_MAX_SERIALBUSTYPE          3
+#define AML_RESOURCE_VENDOR_SERIALBUSTYPE       192     /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
+
+struct aml_resource_common_serialbus {
+AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
+
+struct aml_resource_i2c_serialbus {
+        AML_RESOURCE_LARGE_HEADER_COMMON
+            AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
+        u16 slave_address;
+        /*
+         * Optional fields follow immediately:
+         * 1) Vendor Data bytes
+         * 2) Resource Source String
+         */
+};
+
+#define AML_RESOURCE_I2C_REVISION               1       /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_TYPE_REVISION          1       /* ACPI 5.0 */
+#define AML_RESOURCE_I2C_MIN_DATA_LEN           6
+
+struct aml_resource_spi_serialbus {
+        AML_RESOURCE_LARGE_HEADER_COMMON
+            AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
+        u8 data_bit_length;
+        u8 clock_phase;
+        u8 clock_polarity;
+        u16 device_selection;
+        /*
+         * Optional fields follow immediately:
+         * 1) Vendor Data bytes
+         * 2) Resource Source String
+         */
+};
+
+#define AML_RESOURCE_SPI_REVISION               1       /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_TYPE_REVISION          1       /* ACPI 5.0 */
+#define AML_RESOURCE_SPI_MIN_DATA_LEN           9
+
+struct aml_resource_uart_serialbus {
+        AML_RESOURCE_LARGE_HEADER_COMMON
+            AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
+        u16 rx_fifo_size;
+        u16 tx_fifo_size;
+        u8 parity;
+        u8 lines_enabled;
+        /*
+         * Optional fields follow immediately:
+         * 1) Vendor Data bytes
+         * 2) Resource Source String
+         */
+};
+
+#define AML_RESOURCE_UART_REVISION              1       /* ACPI 5.0 */
+#define AML_RESOURCE_UART_TYPE_REVISION         1       /* ACPI 5.0 */
+#define AML_RESOURCE_UART_MIN_DATA_LEN          10
+
 /* restore default alignment */
 
 #pragma pack()
@@ -284,6 +414,7 @@ union aml_resource {
         struct aml_resource_end_dependent end_dpf;
         struct aml_resource_io io;
         struct aml_resource_fixed_io fixed_io;
+        struct aml_resource_fixed_dma fixed_dma;
         struct aml_resource_vendor_small vendor_small;
         struct aml_resource_end_tag end_tag;
 
@@ -299,6 +430,11 @@ union aml_resource {
         struct aml_resource_address64 address64;
         struct aml_resource_extended_address64 ext_address64;
         struct aml_resource_extended_irq extended_irq;
+        struct aml_resource_gpio gpio;
+        struct aml_resource_i2c_serialbus i2c_serial_bus;
+        struct aml_resource_spi_serialbus spi_serial_bus;
+        struct aml_resource_uart_serialbus uart_serial_bus;
+        struct aml_resource_common_serialbus common_serial_bus;
 
         /* Utility overlays */