Header guard symbols should match their file name to make guard collisions less likely. Offenders found with scripts/clean-header-guards.pl -vn. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/*
|
|
* auxbus.h
|
|
*
|
|
* Copyright (C)2014 : GreenSocs Ltd
|
|
* http://www.greensocs.com/ , email: info@greensocs.com
|
|
*
|
|
* Developed by :
|
|
* Frederic Konrad <fred.konrad@greensocs.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option)any later version.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef HW_MISC_AUXBUS_H
|
|
#define HW_MISC_AUXBUS_H
|
|
|
|
#include "hw/qdev.h"
|
|
|
|
typedef struct AUXBus AUXBus;
|
|
typedef struct AUXSlave AUXSlave;
|
|
typedef enum AUXCommand AUXCommand;
|
|
typedef enum AUXReply AUXReply;
|
|
typedef struct AUXTOI2CState AUXTOI2CState;
|
|
|
|
enum AUXCommand {
|
|
WRITE_I2C = 0,
|
|
READ_I2C = 1,
|
|
WRITE_I2C_STATUS = 2,
|
|
WRITE_I2C_MOT = 4,
|
|
READ_I2C_MOT = 5,
|
|
WRITE_AUX = 8,
|
|
READ_AUX = 9
|
|
};
|
|
|
|
enum AUXReply {
|
|
AUX_I2C_ACK = 0,
|
|
AUX_NACK = 1,
|
|
AUX_DEFER = 2,
|
|
AUX_I2C_NACK = 4,
|
|
AUX_I2C_DEFER = 8
|
|
};
|
|
|
|
#define TYPE_AUX_BUS "aux-bus"
|
|
#define AUX_BUS(obj) OBJECT_CHECK(AUXBus, (obj), TYPE_AUX_BUS)
|
|
|
|
struct AUXBus {
|
|
/* < private > */
|
|
BusState qbus;
|
|
|
|
/* < public > */
|
|
AUXSlave *current_dev;
|
|
AUXSlave *dev;
|
|
uint32_t last_i2c_address;
|
|
AUXCommand last_transaction;
|
|
|
|
AUXTOI2CState *bridge;
|
|
|
|
MemoryRegion *aux_io;
|
|
AddressSpace aux_addr_space;
|
|
};
|
|
|
|
#define TYPE_AUX_SLAVE "aux-slave"
|
|
#define AUX_SLAVE(obj) \
|
|
OBJECT_CHECK(AUXSlave, (obj), TYPE_AUX_SLAVE)
|
|
|
|
struct AUXSlave {
|
|
/* < private > */
|
|
DeviceState parent_obj;
|
|
|
|
/* < public > */
|
|
MemoryRegion *mmio;
|
|
};
|
|
|
|
/**
|
|
* aux_init_bus: Initialize an AUX bus.
|
|
*
|
|
* Returns the new AUX bus created.
|
|
*
|
|
* @parent The device where this bus is located.
|
|
* @name The name of the bus.
|
|
*/
|
|
AUXBus *aux_init_bus(DeviceState *parent, const char *name);
|
|
|
|
/*
|
|
* aux_request: Make a request on the bus.
|
|
*
|
|
* Returns the reply of the request.
|
|
*
|
|
* @bus Ths bus where the request happen.
|
|
* @cmd The command requested.
|
|
* @address The 20bits address of the slave.
|
|
* @len The length of the read or write.
|
|
* @data The data array which will be filled or read during transfer.
|
|
*/
|
|
AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
|
|
uint8_t len, uint8_t *data);
|
|
|
|
/*
|
|
* aux_get_i2c_bus: Get the i2c bus for I2C over AUX command.
|
|
*
|
|
* Returns the i2c bus associated to this AUX bus.
|
|
*
|
|
* @bus The AUX bus.
|
|
*/
|
|
I2CBus *aux_get_i2c_bus(AUXBus *bus);
|
|
|
|
/*
|
|
* aux_init_mmio: Init an mmio for an AUX slave.
|
|
*
|
|
* @aux_slave The AUX slave.
|
|
* @mmio The mmio to be registered.
|
|
*/
|
|
void aux_init_mmio(AUXSlave *aux_slave, MemoryRegion *mmio);
|
|
|
|
DeviceState *aux_create_slave(AUXBus *bus, const char *name, uint32_t addr);
|
|
|
|
#endif /* HW_MISC_AUXBUS_H */
|