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authorMichael Brown2007-03-10 19:08:33 +0100
committerMichael Brown2007-03-10 19:08:33 +0100
commit520d9c36af2f9e4f207dd7275a47ea97c668f749 (patch)
treefc665c3d4c250d3c9411219f580f5affbbf03873 /src/include/gpxe/isa.h
parentStart a new release notes file (RELNOTES) in preparation for release (diff)
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Updated ISAPnP, EISA, MCA and ISA buses to current device model.
ISA 3c509 is currently non-functional, although the EISA (3c509-eisa) and MCA (3c529) variants should build OK. None of this code is yet tested.
Diffstat (limited to 'src/include/gpxe/isa.h')
-rw-r--r--src/include/gpxe/isa.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/include/gpxe/isa.h b/src/include/gpxe/isa.h
new file mode 100644
index 00000000..bb25dbce
--- /dev/null
+++ b/src/include/gpxe/isa.h
@@ -0,0 +1,92 @@
+#ifndef ISA_H
+#define ISA_H
+
+#include <stdint.h>
+#include <gpxe/isa_ids.h>
+#include <gpxe/device.h>
+#include <gpxe/tables.h>
+
+/** An ISA device */
+struct isa_device {
+ /** Generic device */
+ struct device dev;
+ /** I/O address */
+ uint16_t ioaddr;
+ /** Driver for this device */
+ struct isa_driver *driver;
+ /** Driver-private data
+ *
+ * Use isa_set_drvdata() and isa_get_drvdata() to access
+ * this field.
+ */
+ void *priv;
+ /** Driver name */
+ const char *driver_name;
+};
+
+/*
+ * An individual ISA device, identified by probe address
+ *
+ */
+typedef uint16_t isa_probe_addr_t;
+
+/** An ISA driver */
+struct isa_driver {
+ /** Name */
+ const char *name;
+ /** Probe address list */
+ isa_probe_addr_t *probe_addrs;
+ /** Number of entries in probe address list */
+ unsigned int addr_count;
+ /** Manufacturer ID to be assumed for this device */
+ uint16_t vendor_id;
+ /** Product ID to be assumed for this device */
+ uint16_t prod_id;
+ /**
+ * Probe device
+ *
+ * @v isa ISA device
+ * @v id Matching entry in ID table
+ * @ret rc Return status code
+ */
+ int ( * probe ) ( struct isa_device *isa );
+ /**
+ * Remove device
+ *
+ * @v isa ISA device
+ */
+ void ( * remove ) ( struct isa_device *isa );
+};
+
+/** Declare an ISA driver */
+#define __isa_driver __table ( struct isa_driver, isa_drivers, 01 )
+
+/**
+ * Set ISA driver-private data
+ *
+ * @v isa ISA device
+ * @v priv Private data
+ */
+static inline void isa_set_drvdata ( struct isa_device *isa, void *priv ) {
+ isa->priv = priv;
+}
+
+/**
+ * Get ISA driver-private data
+ *
+ * @v isa ISA device
+ * @ret priv Private data
+ */
+static inline void * isa_get_drvdata ( struct isa_device *isa ) {
+ return isa->priv;
+}
+
+/*
+ * ISA_ROM is parsed by parserom.pl to generate Makefile rules and
+ * files for rom-o-matic.
+ *
+ */
+#define ISA_ROM( IMAGE, DESCRIPTION )
+
+#endif /* ISA_H */
+