Viewing file:  pnp_resource.h (3.08 KB) -rw-r--r--
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#ifndef LINUX_PNP_RESOURCE
#define LINUX_PNP_RESOURCE
/* ISA Plug and Play Resource Definitions */
#define PNP_RES_LARGE_ITEM 0x80
/* Small resource items */
#define PNP_RES_SMTAG_VERSION 0x01
#define PNP_RES_SMTAG_LDID 0x02
#define PNP_RES_SMTAG_CDID 0x03
#define PNP_RES_SMTAG_IRQ 0x04
#define PNP_RES_SMTAG_DMA 0x05
#define PNP_RES_SMTAG_DEP_START 0x06
#define PNP_RES_SMTAG_DEP_END 0x07
#define PNP_RES_SMTAG_IO 0x08
#define PNP_RES_SMTAG_IO_FIXED 0x09
#define PNP_RES_SMTAG_VENDOR 0x0e
#define PNP_RES_SMTAG_END 0x0f
/* Large resource items */
#define PNP_RES_LGTAG_MEM 0x01
#define PNP_RES_LGTAG_ID_ANSI 0x02
#define PNP_RES_LGTAG_ID_UNICODE 0x03
#define PNP_RES_LGTAG_VENDOR 0x04
#define PNP_RES_LGTAG_MEM32 0x05
#define PNP_RES_LGTAG_MEM32_FIXED 0x06
/* Logical device ID flags */
#define PNP_RES_LDID_BOOT 0x01
/* IRQ information */
#define PNP_RES_IRQ_HIGH_EDGE 0x01
#define PNP_RES_IRQ_LOW_EDGE 0x02
#define PNP_RES_IRQ_HIGH_LEVEL 0x04
#define PNP_RES_IRQ_LOW_LEVEL 0x08
/* DMA information */
#define PNP_RES_DMA_WIDTH_MASK 0x03
#define PNP_RES_DMA_WIDTH_8 0x00
#define PNP_RES_DMA_WIDTH_8_16 0x01
#define PNP_RES_DMA_WIDTH_16 0x02
#define PNP_RES_DMA_BUSMASTER 0x04
#define PNP_RES_DMA_COUNT_BYTE 0x08
#define PNP_RES_DMA_COUNT_WORD 0x10
#define PNP_RES_DMA_SPEED_MASK 0x60
#define PNP_RES_DMA_SPEED_COMPAT 0x00
#define PNP_RES_DMA_SPEED_TYPEA 0x20
#define PNP_RES_DMA_SPEED_TYPEB 0x40
#define PNP_RES_DMA_SPEED_TYPEF 0x60
/* Resource group priority */
#define PNP_RES_CONFIG_GOOD 0x00
#define PNP_RES_CONFIG_ACCEPTABLE 0x01
#define PNP_RES_CONFIG_SUBOPTIMAL 0x02
/* IO information */
#define PNP_RES_IO_DECODE_16 0x01
/* Memory information */
#define PNP_RES_MEM_WRITEABLE 0x01
#define PNP_RES_MEM_CACHEABLE 0x02
#define PNP_RES_MEM_HIGH_ADDRESS 0x04
#define PNP_RES_MEM_WIDTH_MASK 0x18
#define PNP_RES_MEM_WIDTH_8 0x00
#define PNP_RES_MEM_WIDTH_16 0x08
#define PNP_RES_MEM_WIDTH_8_16 0x10
#define PNP_RES_MEM_WIDTH_32 0x18
#define PNP_RES_MEM_SHADOWABLE 0x20
#define PNP_RES_MEM_EXPANSION_ROM 0x40
/*
note: multi-byte data types in these structures are little endian,
and have to be byte swapped before use on big endian platforms.
*/
#pragma pack(1)
union pnp_small_resource {
struct {
__u8 pnp, vendor;
} version;
struct {
__u32 id;
__u8 flag0, flag1;
} ldid;
struct {
__u32 id;
} gdid;
struct {
__u16 mask;
__u8 info;
} irq;
struct {
__u8 mask, info;
} dma;
struct {
__u8 priority;
} dep_start;
struct {
__u8 info;
__u16 min, max;
__u8 align, len;
} io;
struct {
__u16 base;
__u8 len;
} io_fixed;
struct {
__u8 checksum;
} end;
};
union pnp_large_resource {
struct {
__u8 info;
__u16 min, max, align, len;
} mem;
struct {
__u8 str[0];
} ansi;
struct {
__u16 country;
__u8 str[0];
} unicode;
struct {
__u8 info;
__u32 min, max, align, len;
} mem32;
struct {
__u8 info;
__u32 base, len;
} mem32_fixed;
};
union pnp_resource {
struct {
__u8 tag;
union pnp_small_resource d;
} sm;
struct {
__u8 tag;
__u16 sz;
union pnp_large_resource d;
} lg;
};
#pragma pack()
#endif /* LINUX_PNP_RESOURCE */
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