PIIX4 SMBus host, EEPROM device emulation, by Ed Swierk.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2379 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 38 insertions, 0 deletions

diff --git a/hw/smbus.h b/hw/smbus.h
new file mode 100644
index 0000000000..76fc3c8395
--- /dev/null
+++ b/hw/smbus.h
@@ -0,0 +1,38 @@
+/*
+ * QEMU SMBus API
+ * 
+ * Copyright (c) 2007 Arastra, Inc.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+typedef struct SMBusDevice SMBusDevice;
+
+struct SMBusDevice {
+    uint8_t addr;
+    void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
+    void (*send_byte)(SMBusDevice *dev, uint8_t val);
+    uint8_t (*receive_byte)(SMBusDevice *dev);
+    void (*write_byte)(SMBusDevice *dev, uint8_t cmd, uint8_t val);
+    uint8_t (*read_byte)(SMBusDevice *dev, uint8_t cmd);
+    void (*write_word)(SMBusDevice *dev, uint8_t cmd, uint16_t val);
+    uint16_t (*read_word)(SMBusDevice *dev, uint8_t cmd);
+    void (*write_block)(SMBusDevice *dev, uint8_t cmd, uint8_t len, uint8_t *buf);
+    uint8_t (*read_block)(SMBusDevice *dev, uint8_t cmd, uint8_t *buf);
+};