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-rw-r--r--src/include/device/chip.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/include/device/chip.h b/src/include/device/chip.h
new file mode 100644
index 0000000000..75e69120f3
--- /dev/null
+++ b/src/include/device/chip.h
@@ -0,0 +1,50 @@
+/* chips are arbitrary chips (superio, southbridge, etc.)
+ * They have private structures that define chip resources and default
+ * settings. They have four externally visible functions for control.
+ * new settings are provided as ascii strings.
+ */
+
+/* some of the types of resources chips can control */
+
+struct com_ports {
+ unsigned int enable,baud, base, irq;
+};
+
+/* lpt port description.
+ * Note that for many chips you only really need to define the
+ * enable.
+ */
+struct lpt_ports {
+ unsigned int enable, // 1 if this port is enabled
+ mode, // pp mode
+ base, // IO base of the parallel port
+ irq; // irq
+};
+
+
+
+/* linkages from devices of a type (e.g. superio devices)
+ * to the actual physical PCI device. This type is used in an array of
+ * structs built by NLBConfig.py. We owe this idea to Plan 9.
+ */
+
+struct chip;
+
+struct chip_control {
+ void (*alloc)(struct chip *s);
+ void (*pre_pci_init)(struct chip *s);
+ void (*init)(struct chip *s);
+ void (*finishup)(struct chip *s);
+ char *path; /* the default path. Can be overridden
+ * by commands in config
+ */
+ // This is the print name for debugging
+ char *name;
+};
+
+struct chip {
+ struct chip_control *control; /* for this device */
+ char *path; /* can be 0, in which case the default is taken */
+ char *configuration; /* can be 0. */
+};
+