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.

src/include/gpxe/eisa.h

@@ -0,0 +1,125 @@
+#ifndef EISA_H
+#define EISA_H
+
+#include <stdint.h>
+#include <gpxe/isa_ids.h>
+#include <gpxe/device.h>
+#include <gpxe/tables.h>
+
+/*
+ * EISA constants
+ *
+ */
+
+#define EISA_MIN_SLOT (0x1)
+#define EISA_MAX_SLOT (0xf)	/* Must be 2^n - 1 */
+#define EISA_SLOT_BASE( n ) ( 0x1000 * (n) )
+
+#define EISA_VENDOR_ID ( 0xc80 )
+#define EISA_PROD_ID ( 0xc82 )
+#define EISA_GLOBAL_CONFIG ( 0xc84 )
+
+#define EISA_CMD_RESET ( 1 << 2 )
+#define EISA_CMD_ENABLE ( 1 << 0 )
+
+/** An EISA device ID list entry */
+struct eisa_device_id {
+	/** Name */
+        const char *name;
+	/** Manufacturer ID */
+	uint16_t vendor_id;
+	/** Product ID */
+	uint16_t prod_id;
+};
+
+/** An EISA device */
+struct eisa_device {
+	/** Generic device */
+	struct device dev;
+	/** Slot number */
+	unsigned int slot;
+	/** I/O address */
+	uint16_t ioaddr;
+	/** Manufacturer ID */
+	uint16_t vendor_id;
+	/** Product ID */
+	uint16_t prod_id;
+	/** Driver for this device */
+	struct eisa_driver *driver;
+	/** Driver-private data
+	 *
+	 * Use eisa_set_drvdata() and eisa_get_drvdata() to access
+	 * this field.
+	 */
+	void *priv;
+	/** Driver name */
+	const char *driver_name;
+};
+
+/** An EISA driver */
+struct eisa_driver {
+	/** EISA ID table */
+	struct eisa_device_id *ids;
+	/** Number of entries in EISA ID table */
+	unsigned int id_count;
+	/**
+	 * Probe device
+	 *
+	 * @v eisa	EISA device
+	 * @v id	Matching entry in ID table
+	 * @ret rc	Return status code
+	 */
+	int ( * probe ) ( struct eisa_device *eisa,
+			  const struct eisa_device_id *id );
+	/**
+	 * Remove device
+	 *
+	 * @v eisa	EISA device
+	 */
+	void ( * remove ) ( struct eisa_device *eisa );
+};
+
+/** Declare an EISA driver */
+#define __eisa_driver __table ( struct eisa_driver, eisa_drivers, 01 )
+
+extern void eisa_device_enabled ( struct eisa_device *eisa, int enabled );
+
+/**
+ * Enable EISA device
+ *
+ * @v eisa		EISA device
+ */
+static inline void enable_eisa_device ( struct eisa_device *eisa ) {
+	eisa_device_enabled ( eisa, 1 );
+}
+
+/**
+ * Disable EISA device
+ *
+ * @v eisa		EISA device
+ */
+static inline void disable_eisa_device ( struct eisa_device *eisa ) {
+	eisa_device_enabled ( eisa, 0 );
+}
+
+/**
+ * Set EISA driver-private data
+ *
+ * @v eisa		EISA device
+ * @v priv		Private data
+ */
+static inline void eisa_set_drvdata ( struct eisa_device *eisa, void *priv ) {
+	eisa->priv = priv;
+}
+
+/**
+ * Get EISA driver-private data
+ *
+ * @v eisa		EISA device
+ * @ret priv		Private data
+ */
+static inline void * eisa_get_drvdata ( struct eisa_device *eisa ) {
+	return eisa->priv;
+}
+
+#endif /* EISA_H */