Changeset 52b7b1bb in mainline for uspace/lib/libc/include/ipc/dev_iface.h

Timestamp:

2010-04-01T14:08:55Z (14 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

57937dd

Parents:

a1769ee

Message:

device interfaces - parts of code

File:

• uspace/lib/libc/include/ipc/dev_iface.h (modified) (2 diffs)

uspace/lib/libc/include/ipc/dev_iface.h

@@ -35 +35 @@
 
 typedef enum {  
-        GENERIC_DEV_IFACE = DEV_IFACE_FIRST,
-        DIRECTLY_ADDRESSABLE_DEV_IFACE, 
+        HW_RES_DEV_IFACE = DEV_IFACE_FIRST,     
         // TODO add more interfaces
         DEV_IFACE_MAX
@@ -45 +44 @@
 
 
+// data types related to some interface - TODO move this to separate header files
 
 
+// HW resource provider interface
 
+typedef enum {
+        GET_RESOURCE_LIST = 0,
+        ENABLE_INTERRUPT        
+} hw_res_funcs_t;
 
+/** HW resource types. */
+typedef enum {
+        INTERRUPT,
+        REGISTER
+} hw_res_type_t;
+
+typedef enum {
+        LITTLE_ENDIAN = 0,
+        BIG_ENDIAN
+} endianness_t;
+
+/** HW resource (e.g. interrupt, memory register, i/o register etc.). */
+typedef struct hw_resource {
+        hw_res_type_t type;
+        union {
+                struct {
+                        void *address;
+                        endianness_t endianness;                        
+                        size_t size;                    
+                } reg;
+                struct {
+                        int irq;                        
+                } intr;         
+        };      
+} hw_resource_t;
+
+typedef struct {
+        size_t count;
+        hw_resource_t *resources;       
+} hw_resource_list_t;
 
 #endif