LXR qemu/include/hw/misc/macio/cuda.h

   1/*
   2 * QEMU PowerMac CUDA device support
   3 *
   4 * Copyright (c) 2004-2007 Fabrice Bellard
   5 * Copyright (c) 2007 Jocelyn Mayer
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#ifndef CUDA_H
  27#define CUDA_H
  28
  29#include "hw/input/adb.h"
  30#include "hw/misc/mos6522.h"
  31#include "qom/object.h"
  32
  33/* CUDA commands (2nd byte) */
  34#define CUDA_WARM_START                0x0
  35#define CUDA_AUTOPOLL                  0x1
  36#define CUDA_GET_6805_ADDR             0x2
  37#define CUDA_GET_TIME                  0x3
  38#define CUDA_GET_PRAM                  0x7
  39#define CUDA_SET_6805_ADDR             0x8
  40#define CUDA_SET_TIME                  0x9
  41#define CUDA_POWERDOWN                 0xa
  42#define CUDA_POWERUP_TIME              0xb
  43#define CUDA_SET_PRAM                  0xc
  44#define CUDA_MS_RESET                  0xd
  45#define CUDA_SEND_DFAC                 0xe
  46#define CUDA_BATTERY_SWAP_SENSE        0x10
  47#define CUDA_RESET_SYSTEM              0x11
  48#define CUDA_SET_IPL                   0x12
  49#define CUDA_FILE_SERVER_FLAG          0x13
  50#define CUDA_SET_AUTO_RATE             0x14
  51#define CUDA_GET_AUTO_RATE             0x16
  52#define CUDA_SET_DEVICE_LIST           0x19
  53#define CUDA_GET_DEVICE_LIST           0x1a
  54#define CUDA_SET_ONE_SECOND_MODE       0x1b
  55#define CUDA_SET_POWER_MESSAGES        0x21
  56#define CUDA_GET_SET_IIC               0x22
  57#define CUDA_WAKEUP                    0x23
  58#define CUDA_TIMER_TICKLE              0x24
  59#define CUDA_COMBINED_FORMAT_IIC       0x25
  60
  61
  62/* MOS6522 CUDA */
  63struct MOS6522CUDAState {
  64    /*< private >*/
  65    MOS6522State parent_obj;
  66};
  67
  68#define TYPE_MOS6522_CUDA "mos6522-cuda"
  69OBJECT_DECLARE_SIMPLE_TYPE(MOS6522CUDAState, MOS6522_CUDA)
  70
  71/* Cuda */
  72#define TYPE_CUDA "cuda"
  73OBJECT_DECLARE_SIMPLE_TYPE(CUDAState, CUDA)
  74
  75struct CUDAState {
  76    /*< private >*/
  77    SysBusDevice parent_obj;
  78    /*< public >*/
  79    MemoryRegion mem;
  80
  81    ADBBusState adb_bus;
  82    MOS6522CUDAState mos6522_cuda;
  83
  84    uint32_t tick_offset;
  85    uint64_t tb_frequency;
  86
  87    uint8_t last_b;
  88    uint8_t last_acr;
  89
  90    /* MacOS 9 is racy and requires a delay upon setting the SR_INT bit */
  91    uint64_t sr_delay_ns;
  92    QEMUTimer *sr_delay_timer;
  93
  94    int data_in_size;
  95    int data_in_index;
  96    int data_out_index;
  97
  98    qemu_irq irq;
  99    uint8_t data_in[128];
 100    uint8_t data_out[16];
 101};
 102
 103#endif /* CUDA_H */
 104