1 files changed, 102 insertions, 0 deletions
diff --git a/src/dev/bus/adb.h b/src/dev/bus/adb.h
new file mode 100644
index 0000000..e48b120
--- /dev/null
+++ b/src/dev/bus/adb.h
@@ -0,0 +1,102 @@
+/*
+ * ADB bus definitions for Open Hack'Ware
+ *
+ * Copyright (c) 2004-2005 Jocelyn Mayer
+ * 
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License V2
+ *   as published by the Free Software Foundation
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#if !defined(__OHW_ADB_H__)
+#define __OHW_ADB_H__
+
+typedef struct adb_bus_t adb_bus_t;
+typedef struct adb_dev_t adb_dev_t;
+
+#define ADB_BUF_SIZE 8
+struct adb_bus_t {
+    void *host;
+    int (*req)(void *host, const uint8_t *snd_buf, int len, uint8_t *rcv_buf);
+    adb_dev_t *devices;
+};
+
+struct adb_dev_t {
+    adb_dev_t *next;
+    adb_bus_t *bus;
+    uint8_t addr;
+    uint8_t type;
+    uint32_t state;
+};
+
+#define ADB_BUF_SIZE 8
+
+/* ADB commands */
+enum {
+    ADB_SEND_RESET = 0x00,
+    ADB_FLUSH      = 0x01,
+    ADB_LISTEN     = 0x08,
+    ADB_TALK       = 0x0C,
+};
+/* ADB default IDs before relocation */
+enum {
+    ADB_PROTECT    = 0x01,
+    ADB_KEYBD      = 0x02,
+    ADB_MOUSE      = 0x03,
+    ADB_ABS        = 0x04,
+    ADB_MODEM      = 0x05,
+    ADB_RES        = 0x06,
+    ADB_MISC       = 0x07,
+};
+/* ADB special device handlers IDs */
+enum {
+    ADB_CHADDR        = 0x00,
+    ADB_CHADDR_ACTIV  = 0xFD,
+    ADB_CHADDR_NOCOLL = 0xFE,
+    ADB_SELF_TEST     = 0xFF,
+};
+
+int adb_cmd (adb_dev_t *dev, uint8_t cmd, uint8_t reg,
+             uint8_t *buf, int len);
+void adb_bus_reset (adb_bus_t *bus);
+adb_bus_t *adb_bus_new (void *host,
+                        int (*req)(void *host, const uint8_t *snd_buf,
+                                   int len, uint8_t *rcv_buf));
+int adb_bus_init (adb_bus_t *bus);
+
+static inline int adb_reset (adb_bus_t *bus)
+{
+    adb_dev_t fake_device;
+    
+    memset(&fake_device, 0, sizeof(adb_dev_t));
+    fake_device.bus = bus;
+
+    return adb_cmd(&fake_device, ADB_SEND_RESET, 0, NULL, 0);
+}
+
+static inline int adb_flush (adb_dev_t *dev)
+{
+    return adb_cmd(dev, ADB_FLUSH, 0, NULL, 0);
+}
+
+static inline int adb_reg_get (adb_dev_t *dev, uint8_t reg, uint8_t *buf)
+{
+    return adb_cmd(dev, ADB_TALK, reg, buf, 0);
+}
+
+static inline int adb_reg_set (adb_dev_t *dev, uint8_t reg,
+                               uint8_t *buf, int len)
+{
+    return adb_cmd(dev, ADB_LISTEN, reg, buf, len);
+}
+
+#endif /* !defined(__OHW_ADB_H__) */