--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/smbus.h Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+#include "i2c.h"
+
+struct SMBusDevice {
+ /* The SMBus protocol is implemented on top of I2C. */
+ i2c_slave i2c;
+
+ /* Callbacks set by the device. */
+ void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
+ void (*send_byte)(SMBusDevice *dev, uint8_t val);
+ uint8_t (*receive_byte)(SMBusDevice *dev);
+ /* We can't distinguish between a word write and a block write with
+ length 1, so pass the whole data block including the length byte
+ (if present). The device is responsible figuring out what type of
+ command this is. */
+ void (*write_data)(SMBusDevice *dev, uint8_t cmd, uint8_t *buf, int len);
+ /* Likewise we can't distinguish between different reads, or even know
+ the length of the read until the read is complete, so read data a
+ byte at a time. The device is responsible for adding the length
+ byte on block reads. */
+ uint8_t (*read_data)(SMBusDevice *dev, uint8_t cmd, int n);
+
+ /* Remaining fields for internal use only. */
+ int mode;
+ int data_len;
+ uint8_t data_buf[34]; /* command + len + 32 bytes of data. */
+ uint8_t command;
+};
+
+/* Create a slave device. */
+SMBusDevice *smbus_device_init(i2c_bus *bus, int address, int size);
+
+/* Master device commands. */
+void smbus_quick_command(i2c_bus *bus, int addr, int read);
+uint8_t smbus_receive_byte(i2c_bus *bus, int addr);
+void smbus_send_byte(i2c_bus *bus, int addr, uint8_t data);
+uint8_t smbus_read_byte(i2c_bus *bus, int addr, uint8_t command);
+void smbus_write_byte(i2c_bus *bus, int addr, uint8_t command, uint8_t data);
+uint16_t smbus_read_word(i2c_bus *bus, int addr, uint8_t command);
+void smbus_write_word(i2c_bus *bus, int addr, uint8_t command, uint16_t data);
+int smbus_read_block(i2c_bus *bus, int addr, uint8_t command, uint8_t *data);
+void smbus_write_block(i2c_bus *bus, int addr, uint8_t command, uint8_t *data,
+ int len);
+
+/* smbus_eeprom.c */
+void smbus_eeprom_device_init(i2c_bus *bus, uint8_t addr, uint8_t *buf);