kernel: pci: Add more register definitions

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/sys/include/dev/pci/pciregs.h b/sys/include/dev/pci/pciregs.h
index 732e88c..13a9fc0 100644
--- a/sys/include/dev/pci/pciregs.h
+++ b/sys/include/dev/pci/pciregs.h
@@ -32,9 +32,35 @@
 
 #include <sys/cdefs.h>
 
+#define PCIREG_VENDOR_ID  0x00  /* 16 bits */
+#define PCIREG_DEVICE_ID  0x02  /* 16 bits */
+#define PCIREG_CLASSREV   0x08  /* 32 bits */
+#define PCIREG_BAR0       0x10  /* 32 bits */
+#define PCIREG_BAR1       0x14  /* 32 bits */
+#define PCIREG_BAR2       0x18  /* 32 bits */
+#define PCIREG_BAR3       0x1C  /* 32 bits */
+#define PCIREG_BAR4       0x20  /* 32 bits */
+#define PCIREG_BAR5       0x24  /* 32 bits */
+#define PCIREG_IRQLINE    0x3C  /* 8 bits */
+#define PCIREG_CMDSTATUS  0x04  /* command (15:0), status (31:16) */
+
+/* Macros to extract PCIREG_CLASSREV bits */
+#define PCIREG_CLASS(CLASSREV) (CLASSREV >> 24)
+#define PCIREG_SUBCLASS(CLASSREV) ((CLASSREV >> 16) & 0xFF)
+#define PCIREG_REVID(CLASSREV) (CLASSREV & 0xFF)
+#define PCIREG_PROGIF(CLASSREV) ((CLASSREV >> 8) & 0xFF)
+
+/* Macros to extract PCIREG_CMDSTATUS bits */
+#define PCIREG_COMMAND(CMDSTATUS) (CMDSTATUS & 0xFFFF)
+#define PCIREG_STATUS(CMDSTATUS) (CMDSTATUS >> 16)
+
 /* PCI command register bits */
 #define PCI_IO_SPACE        __BIT(0)  /* Respond to I/O space accesses */
 #define PCI_MEM_SPACE       __BIT(1)  /* Respond to mem space accesses */
 #define PCI_BUS_MASTERING   __BIT(2)  /* Enable bus mastering */
 
+/* PCI status register bits */
+#define PCI_STATUS_CAPLIST  __BIT(4)
+#define PCI_STATUS_66MHZ    __BIT(5)
+
 #endif  /* !_PCIREGS_H_ */