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/*-
* Copyright (c) 2006 Michael Lorenz
* Copyright (c) 2008 Nathan Whitehorn
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef _POWERPC_CUDAVAR_H_
#define _POWERPC_CUDAVAR_H_
#define CUDA_DEVSTR "Apple CUDA I/O Controller"
/* Cuda addresses */
#define CUDA_ADB 0
#define CUDA_PSEUDO 1
#define CUDA_ERROR 2 /* error codes? */
#define CUDA_TIMER 3
#define CUDA_POWER 4
#define CUDA_IIC 5 /* XXX ??? */
#define CUDA_PMU 6
#define CUDA_ADB_QUERY 7
/* Cuda commands */
#define CMD_AUTOPOLL 1
#define CMD_READ_RTC 3
#define CMD_WRITE_RTC 9
#define CMD_POWEROFF 10
#define CMD_RESET 17
#define CMD_IIC 34
/* Cuda state codes */
#define CUDA_NOTREADY 0x1 /* has not been initialized yet */
#define CUDA_IDLE 0x2 /* the bus is currently idle */
#define CUDA_OUT 0x3 /* sending out a command */
#define CUDA_IN 0x4 /* receiving data */
#define CUDA_POLLING 0x5 /* polling - II only */
struct cuda_packet {
uint8_t len;
uint8_t type;
uint8_t data[253];
STAILQ_ENTRY(cuda_packet) pkt_q;
};
STAILQ_HEAD(cuda_pktq, cuda_packet);
struct cuda_softc {
device_t sc_dev;
int sc_memrid;
struct resource *sc_memr;
int sc_irqrid;
struct resource *sc_irq;
void *sc_ih;
struct mtx sc_mutex;
device_t adb_bus;
int sc_node;
volatile int sc_state;
int sc_waiting;
int sc_polling;
int sc_iic_done;
volatile int sc_autopoll;
int sc_i2c_read_len;
/* internal buffers */
uint8_t sc_in[256];
uint8_t sc_out[256];
int sc_sent;
int sc_out_length;
int sc_received;
struct cuda_pktq sc_inq;
struct cuda_pktq sc_outq;
};
#endif /* _POWERPC_CUDAVAR_H_ */
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