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/misc/mos6522.h"
  30 #include "qom/object.h"
  31
  32 /* CUDA commands (2nd byte) */
  33 #define CUDA_WARM_START                0x0
  34 #define CUDA_AUTOPOLL                  0x1
  35 #define CUDA_GET_6805_ADDR             0x2
  36 #define CUDA_GET_TIME                  0x3
  37 #define CUDA_GET_PRAM                  0x7
  38 #define CUDA_SET_6805_ADDR             0x8
  39 #define CUDA_SET_TIME                  0x9
  40 #define CUDA_POWERDOWN                 0xa
  41 #define CUDA_POWERUP_TIME              0xb
  42 #define CUDA_SET_PRAM                  0xc
  43 #define CUDA_MS_RESET                  0xd
  44 #define CUDA_SEND_DFAC                 0xe
  45 #define CUDA_BATTERY_SWAP_SENSE        0x10
  46 #define CUDA_RESET_SYSTEM              0x11
  47 #define CUDA_SET_IPL                   0x12
  48 #define CUDA_FILE_SERVER_FLAG          0x13
  49 #define CUDA_SET_AUTO_RATE             0x14
  50 #define CUDA_GET_AUTO_RATE             0x16
  51 #define CUDA_SET_DEVICE_LIST           0x19
  52 #define CUDA_GET_DEVICE_LIST           0x1a
  53 #define CUDA_SET_ONE_SECOND_MODE       0x1b
  54 #define CUDA_SET_POWER_MESSAGES        0x21
  55 #define CUDA_GET_SET_IIC               0x22
  56 #define CUDA_WAKEUP                    0x23
  57 #define CUDA_TIMER_TICKLE              0x24
  58 #define CUDA_COMBINED_FORMAT_IIC       0x25
  59
  60
  61 /* MOS6522 CUDA */
  62 struct MOS6522CUDAState {
  63     /*< private >*/
  64     MOS6522State parent_obj;
  65 };
  66 typedef struct MOS6522CUDAState MOS6522CUDAState;
  67
  68 #define TYPE_MOS6522_CUDA "mos6522-cuda"
  69 DECLARE_INSTANCE_CHECKER(MOS6522CUDAState, MOS6522_CUDA,
  70                          TYPE_MOS6522_CUDA)
  71
  72 /* Cuda */
  73 #define TYPE_CUDA "cuda"
  74 typedef struct CUDAState CUDAState;
  75 DECLARE_INSTANCE_CHECKER(CUDAState, CUDA,
  76                          TYPE_CUDA)
  77
  78 struct CUDAState {
  79     /*< private >*/
  80     SysBusDevice parent_obj;
  81     /*< public >*/
  82     MemoryRegion mem;
  83
  84     ADBBusState adb_bus;
  85     MOS6522CUDAState mos6522_cuda;
  86
  87     uint32_t tick_offset;
  88     uint64_t tb_frequency;
  89
  90     uint8_t last_b;
  91     uint8_t last_acr;
  92
  93     /* MacOS 9 is racy and requires a delay upon setting the SR_INT bit */
  94     uint64_t sr_delay_ns;
  95     QEMUTimer *sr_delay_timer;
  96
  97     int data_in_size;
  98     int data_in_index;
  99     int data_out_index;
 100
 101     qemu_irq irq;
 102     uint8_t data_in[128];
 103     uint8_t data_out[16];
 104 };
 105
 106 #endif /* CUDA_H */