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111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2006 Michael Lorenz
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* Copyright (c) 2008 Nathan Whitehorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _POWERPC_CUDAVAR_H_
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#define _POWERPC_CUDAVAR_H_
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#define CUDA_DEVSTR "Apple CUDA I/O Controller"
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#define CUDA_MAXPACKETS 10
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/* Cuda addresses */
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#define CUDA_ADB 0
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#define CUDA_PSEUDO 1
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#define CUDA_ERROR 2 /* error codes? */
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#define CUDA_TIMER 3
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#define CUDA_POWER 4
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#define CUDA_IIC 5 /* XXX ??? */
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#define CUDA_PMU 6
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#define CUDA_ADB_QUERY 7
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/* Cuda commands */
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#define CMD_AUTOPOLL 1
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#define CMD_READ_RTC 3
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#define CMD_WRITE_RTC 9
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#define CMD_POWEROFF 10
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#define CMD_RESET 17
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#define CMD_IIC 34
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/* Cuda state codes */
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#define CUDA_NOTREADY 0x1 /* has not been initialized yet */
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#define CUDA_IDLE 0x2 /* the bus is currently idle */
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#define CUDA_OUT 0x3 /* sending out a command */
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#define CUDA_IN 0x4 /* receiving data */
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#define CUDA_POLLING 0x5 /* polling - II only */
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struct cuda_packet {
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uint8_t len;
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uint8_t type;
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uint8_t data[253];
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STAILQ_ENTRY(cuda_packet) pkt_q;
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};
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STAILQ_HEAD(cuda_pktq, cuda_packet);
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struct cuda_softc {
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device_t sc_dev;
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int sc_memrid;
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struct resource *sc_memr;
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int sc_irqrid;
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struct resource *sc_irq;
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void *sc_ih;
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struct mtx sc_mutex;
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device_t adb_bus;
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int sc_node;
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volatile int sc_state;
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int sc_waiting;
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int sc_polling;
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int sc_iic_done;
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volatile int sc_autopoll;
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uint32_t sc_rtc;
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int sc_i2c_read_len;
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/* internal buffers */
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uint8_t sc_in[256];
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uint8_t sc_out[256];
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int sc_sent;
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int sc_out_length;
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int sc_received;
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struct cuda_packet sc_pkts[CUDA_MAXPACKETS];
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struct cuda_pktq sc_inq;
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struct cuda_pktq sc_outq;
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struct cuda_pktq sc_freeq;
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};
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#endif /* _POWERPC_CUDAVAR_H_ */
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