i2c: Split smbus into parts

smbus.c and smbus.h had device side code, master side code, and
smbus.h has some smbus_eeprom.c definitions.  Split them into
separate files.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

4 files changed, 96 insertions, 36 deletions

diff --git a/include/hw/i2c/pm_smbus.h b/include/hw/i2c/pm_smbus.h
index 060d3c6ac0..6dd5b7040b 100644
--- a/include/hw/i2c/pm_smbus.h
+++ b/include/hw/i2c/pm_smbus.h
@@ -1,6 +1,8 @@
 #ifndef PM_SMBUS_H
 #define PM_SMBUS_H
 
+#include "hw/i2c/smbus_master.h"
+
 #define PM_SMBUS_MAX_MSG_SIZE 32
 
 typedef struct PMSMBus {
diff --git a/include/hw/i2c/smbus_eeprom.h b/include/hw/i2c/smbus_eeprom.h
new file mode 100644
index 0000000000..0f96836bab
--- /dev/null
+++ b/include/hw/i2c/smbus_eeprom.h
@@ -0,0 +1,35 @@
+/*
+ * QEMU SMBus EEPROM API
+ *
+ * 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.
+ */
+
+#ifndef HW_SMBUS_EEPROM_H
+#define HW_SMBUS_EEPROM_H
+
+#include "hw/i2c/i2c.h"
+
+void smbus_eeprom_init_one(I2CBus *bus, uint8_t address, uint8_t *eeprom_buf);
+void smbus_eeprom_init(I2CBus *bus, int nb_eeprom,
+                       const uint8_t *eeprom_spd, int size);
+
+enum sdram_type { SDR = 0x4, DDR = 0x7, DDR2 = 0x8 };
+uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t size, Error **errp);
+
+#endif
diff --git a/include/hw/i2c/smbus_master.h b/include/hw/i2c/smbus_master.h
new file mode 100644
index 0000000000..bb13bc423c
--- /dev/null
+++ b/include/hw/i2c/smbus_master.h
@@ -0,0 +1,55 @@
+/*
+ * QEMU SMBus host (master) 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.
+ */
+
+#ifndef HW_SMBUS_MASTER_H
+#define HW_SMBUS_MASTER_H
+
+#include "hw/i2c/i2c.h"
+
+/* Master device commands.  */
+int smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
+int smbus_receive_byte(I2CBus *bus, uint8_t addr);
+int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
+int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
+int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
+
+/*
+ * Do a block transfer from an I2C device.  If recv_len is set, then the
+ * first received byte is a length field and is used to know how much data
+ * to receive.  Otherwise receive "len" bytes.  If send_cmd is set, send
+ * the command byte first before receiving the data.
+ */
+int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
+                     int len, bool recv_len, bool send_cmd);
+
+/*
+ * Do a block transfer to an I2C device.  If send_len is set, send the
+ * "len" value before the data.
+ */
+int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
+                      int len, bool send_len);
+
+#endif
diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus_slave.h
index 89dfea1a08..46b8948f0f 100644
--- a/include/hw/i2c/smbus.h
+++ b/include/hw/i2c/smbus_slave.h
@@ -1,8 +1,5 @@
-#ifndef QEMU_SMBUS_H
-#define QEMU_SMBUS_H
-
 /*
- * QEMU SMBus API
+ * QEMU SMBus device (slave) API
  *
  * Copyright (c) 2007 Arastra, Inc.
  *
@@ -25,6 +22,9 @@
  * THE SOFTWARE.
  */
 
+#ifndef HW_SMBUS_SLAVE_H
+#define HW_SMBUS_SLAVE_H
+
 #include "hw/i2c/i2c.h"
 
 #define TYPE_SMBUS_DEVICE "smbus-device"
@@ -66,36 +66,4 @@ struct SMBusDevice {
     uint8_t command;
 };
 
-/* Master device commands.  */
-int smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
-int smbus_receive_byte(I2CBus *bus, uint8_t addr);
-int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
-int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
-int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
-int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
-int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
-
-/*
- * Do a block transfer from an I2C device.  If recv_len is set, then the
- * first received byte is a length field and is used to know how much data
- * to receive.  Otherwise receive "len" bytes.  If send_cmd is set, send
- * the command byte first before receiving the data.
- */
-int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
-                     int len, bool recv_len, bool send_cmd);
-
-/*
- * Do a block transfer to an I2C device.  If send_len is set, send the
- * "len" value before the data.
- */
-int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
-                      int len, bool send_len);
-
-void smbus_eeprom_init_one(I2CBus *smbus, uint8_t address, uint8_t *eeprom_buf);
-void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
-                       const uint8_t *eeprom_spd, int size);
-
-enum sdram_type { SDR = 0x4, DDR = 0x7, DDR2 = 0x8 };
-uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t size, Error **errp);
-
 #endif