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1 | 27503323 | bellard | /*
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2 | 27503323 | bellard | * QEMU Soundblaster 16 emulation
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3 | 1d14ffa9 | bellard | *
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4 | 1d14ffa9 | bellard | * Copyright (c) 2003-2005 Vassili Karpov (malc)
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5 | 1d14ffa9 | bellard | *
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6 | 27503323 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 27503323 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 27503323 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 27503323 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 27503323 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 27503323 | bellard | * furnished to do so, subject to the following conditions:
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12 | 27503323 | bellard | *
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13 | 27503323 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 27503323 | bellard | * all copies or substantial portions of the Software.
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15 | 27503323 | bellard | *
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16 | 27503323 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 27503323 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 27503323 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 27503323 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 27503323 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 27503323 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 27503323 | bellard | * THE SOFTWARE.
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23 | 27503323 | bellard | */
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24 | 27503323 | bellard | #include "vl.h" |
25 | 27503323 | bellard | |
26 | 85571bc7 | bellard | #define LENOFA(a) ((int) (sizeof(a)/sizeof(a[0]))) |
27 | d75d9f6b | bellard | |
28 | fb065187 | bellard | #define dolog(...) AUD_log ("sb16", __VA_ARGS__) |
29 | 15b61470 | bellard | |
30 | 15b61470 | bellard | /* #define DEBUG */
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31 | 15b61470 | bellard | /* #define DEBUG_SB16_MOST */
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32 | 15b61470 | bellard | |
33 | fb065187 | bellard | #ifdef DEBUG
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34 | fb065187 | bellard | #define ldebug(...) dolog (__VA_ARGS__)
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35 | fb065187 | bellard | #else
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36 | fb065187 | bellard | #define ldebug(...)
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37 | fb065187 | bellard | #endif
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38 | fb065187 | bellard | |
39 | 85571bc7 | bellard | #define IO_READ_PROTO(name) \
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40 | 7d977de7 | bellard | uint32_t name (void *opaque, uint32_t nport)
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41 | 85571bc7 | bellard | #define IO_WRITE_PROTO(name) \
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42 | 7d977de7 | bellard | void name (void *opaque, uint32_t nport, uint32_t val) |
43 | 27503323 | bellard | |
44 | 85571bc7 | bellard | static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992."; |
45 | d329a6fb | bellard | |
46 | 27503323 | bellard | static struct { |
47 | 27503323 | bellard | int ver_lo;
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48 | 27503323 | bellard | int ver_hi;
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49 | 27503323 | bellard | int irq;
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50 | 27503323 | bellard | int dma;
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51 | 27503323 | bellard | int hdma;
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52 | 27503323 | bellard | int port;
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53 | 85571bc7 | bellard | } conf = {5, 4, 5, 1, 5, 0x220}; |
54 | 27503323 | bellard | |
55 | 5e2a6443 | bellard | typedef struct SB16State { |
56 | c0fe3827 | bellard | QEMUSoundCard card; |
57 | 85571bc7 | bellard | int irq;
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58 | 85571bc7 | bellard | int dma;
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59 | 85571bc7 | bellard | int hdma;
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60 | 85571bc7 | bellard | int port;
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61 | 85571bc7 | bellard | int ver;
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62 | 85571bc7 | bellard | |
63 | 27503323 | bellard | int in_index;
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64 | 27503323 | bellard | int out_data_len;
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65 | 27503323 | bellard | int fmt_stereo;
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66 | 27503323 | bellard | int fmt_signed;
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67 | 27503323 | bellard | int fmt_bits;
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68 | 85571bc7 | bellard | audfmt_e fmt; |
69 | 27503323 | bellard | int dma_auto;
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70 | 85571bc7 | bellard | int block_size;
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71 | 27503323 | bellard | int fifo;
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72 | 27503323 | bellard | int freq;
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73 | 27503323 | bellard | int time_const;
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74 | 27503323 | bellard | int speaker;
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75 | 27503323 | bellard | int needed_bytes;
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76 | 27503323 | bellard | int cmd;
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77 | 27503323 | bellard | int use_hdma;
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78 | 85571bc7 | bellard | int highspeed;
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79 | 85571bc7 | bellard | int can_write;
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80 | 27503323 | bellard | |
81 | 27503323 | bellard | int v2x6;
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82 | 27503323 | bellard | |
83 | 85571bc7 | bellard | uint8_t csp_param; |
84 | 85571bc7 | bellard | uint8_t csp_value; |
85 | 85571bc7 | bellard | uint8_t csp_mode; |
86 | 85571bc7 | bellard | uint8_t csp_regs[256];
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87 | 85571bc7 | bellard | uint8_t csp_index; |
88 | 85571bc7 | bellard | uint8_t csp_reg83[4];
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89 | 85571bc7 | bellard | int csp_reg83r;
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90 | 85571bc7 | bellard | int csp_reg83w;
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91 | 85571bc7 | bellard | |
92 | d75d9f6b | bellard | uint8_t in2_data[10];
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93 | 85571bc7 | bellard | uint8_t out_data[50];
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94 | 85571bc7 | bellard | uint8_t test_reg; |
95 | 85571bc7 | bellard | uint8_t last_read_byte; |
96 | 85571bc7 | bellard | int nzero;
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97 | 27503323 | bellard | |
98 | 27503323 | bellard | int left_till_irq;
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99 | 27503323 | bellard | |
100 | 85571bc7 | bellard | int dma_running;
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101 | 85571bc7 | bellard | int bytes_per_second;
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102 | 85571bc7 | bellard | int align;
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103 | 1d14ffa9 | bellard | int audio_free;
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104 | 1d14ffa9 | bellard | SWVoiceOut *voice; |
105 | 85571bc7 | bellard | |
106 | 1d14ffa9 | bellard | QEMUTimer *aux_ts; |
107 | 5e2a6443 | bellard | /* mixer state */
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108 | 5e2a6443 | bellard | int mixer_nreg;
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109 | 202a456a | bellard | uint8_t mixer_regs[256];
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110 | 5e2a6443 | bellard | } SB16State; |
111 | 27503323 | bellard | |
112 | 1d14ffa9 | bellard | static void SB_audio_callback (void *opaque, int free); |
113 | 1d14ffa9 | bellard | |
114 | 85571bc7 | bellard | static int magic_of_irq (int irq) |
115 | 85571bc7 | bellard | { |
116 | 85571bc7 | bellard | switch (irq) {
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117 | 85571bc7 | bellard | case 5: |
118 | 85571bc7 | bellard | return 2; |
119 | 85571bc7 | bellard | case 7: |
120 | 85571bc7 | bellard | return 4; |
121 | 85571bc7 | bellard | case 9: |
122 | 85571bc7 | bellard | return 1; |
123 | 85571bc7 | bellard | case 10: |
124 | 85571bc7 | bellard | return 8; |
125 | 85571bc7 | bellard | default:
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126 | 85571bc7 | bellard | dolog ("bad irq %d\n", irq);
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127 | 85571bc7 | bellard | return 2; |
128 | 85571bc7 | bellard | } |
129 | 85571bc7 | bellard | } |
130 | 85571bc7 | bellard | |
131 | 85571bc7 | bellard | static int irq_of_magic (int magic) |
132 | 85571bc7 | bellard | { |
133 | 85571bc7 | bellard | switch (magic) {
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134 | 85571bc7 | bellard | case 1: |
135 | 85571bc7 | bellard | return 9; |
136 | 85571bc7 | bellard | case 2: |
137 | 85571bc7 | bellard | return 5; |
138 | 85571bc7 | bellard | case 4: |
139 | 85571bc7 | bellard | return 7; |
140 | 85571bc7 | bellard | case 8: |
141 | 85571bc7 | bellard | return 10; |
142 | 85571bc7 | bellard | default:
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143 | 85571bc7 | bellard | dolog ("bad irq magic %d\n", magic);
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144 | 85571bc7 | bellard | return -1; |
145 | 85571bc7 | bellard | } |
146 | 85571bc7 | bellard | } |
147 | 85571bc7 | bellard | |
148 | 85571bc7 | bellard | #if 0
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149 | 5e2a6443 | bellard | static void log_dsp (SB16State *dsp)
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150 | 5e2a6443 | bellard | {
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151 | 85571bc7 | bellard | ldebug ("%s:%s:%d:%s:dmasize=%d:freq=%d:const=%d:speaker=%d\n",
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152 | 85571bc7 | bellard | dsp->fmt_stereo ? "Stereo" : "Mono",
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153 | 85571bc7 | bellard | dsp->fmt_signed ? "Signed" : "Unsigned",
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154 | 85571bc7 | bellard | dsp->fmt_bits,
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155 | 85571bc7 | bellard | dsp->dma_auto ? "Auto" : "Single",
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156 | 85571bc7 | bellard | dsp->block_size,
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157 | 85571bc7 | bellard | dsp->freq,
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158 | 85571bc7 | bellard | dsp->time_const,
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159 | 85571bc7 | bellard | dsp->speaker);
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160 | 85571bc7 | bellard | }
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161 | 85571bc7 | bellard | #endif
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162 | 85571bc7 | bellard | |
163 | 85571bc7 | bellard | static void speaker (SB16State *s, int on) |
164 | 85571bc7 | bellard | { |
165 | 85571bc7 | bellard | s->speaker = on; |
166 | 85571bc7 | bellard | /* AUD_enable (s->voice, on); */
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167 | 27503323 | bellard | } |
168 | 27503323 | bellard | |
169 | 85571bc7 | bellard | static void control (SB16State *s, int hold) |
170 | 27503323 | bellard | { |
171 | 85571bc7 | bellard | int dma = s->use_hdma ? s->hdma : s->dma;
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172 | 85571bc7 | bellard | s->dma_running = hold; |
173 | 85571bc7 | bellard | |
174 | 85571bc7 | bellard | ldebug ("hold %d high %d dma %d\n", hold, s->use_hdma, dma);
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175 | 85571bc7 | bellard | |
176 | 27503323 | bellard | if (hold) {
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177 | 85571bc7 | bellard | DMA_hold_DREQ (dma); |
178 | 1d14ffa9 | bellard | AUD_set_active_out (s->voice, 1);
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179 | 27503323 | bellard | } |
180 | 27503323 | bellard | else {
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181 | 85571bc7 | bellard | DMA_release_DREQ (dma); |
182 | 1d14ffa9 | bellard | AUD_set_active_out (s->voice, 0);
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183 | 27503323 | bellard | } |
184 | 27503323 | bellard | } |
185 | 27503323 | bellard | |
186 | 85571bc7 | bellard | static void aux_timer (void *opaque) |
187 | 27503323 | bellard | { |
188 | 85571bc7 | bellard | SB16State *s = opaque; |
189 | 85571bc7 | bellard | s->can_write = 1;
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190 | 85571bc7 | bellard | pic_set_irq (s->irq, 1);
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191 | 85571bc7 | bellard | } |
192 | 85571bc7 | bellard | |
193 | 85571bc7 | bellard | #define DMA8_AUTO 1 |
194 | 85571bc7 | bellard | #define DMA8_HIGH 2 |
195 | 85571bc7 | bellard | |
196 | feea13e1 | bellard | static void continue_dma8 (SB16State *s) |
197 | feea13e1 | bellard | { |
198 | feea13e1 | bellard | if (s->freq > 0) { |
199 | feea13e1 | bellard | audsettings_t as; |
200 | feea13e1 | bellard | |
201 | feea13e1 | bellard | s->audio_free = 0;
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202 | feea13e1 | bellard | |
203 | feea13e1 | bellard | as.freq = s->freq; |
204 | feea13e1 | bellard | as.nchannels = 1 << s->fmt_stereo;
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205 | feea13e1 | bellard | as.fmt = s->fmt; |
206 | d929eba5 | bellard | as.endianness = 0;
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207 | feea13e1 | bellard | |
208 | feea13e1 | bellard | s->voice = AUD_open_out ( |
209 | feea13e1 | bellard | &s->card, |
210 | feea13e1 | bellard | s->voice, |
211 | feea13e1 | bellard | "sb16",
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212 | feea13e1 | bellard | s, |
213 | feea13e1 | bellard | SB_audio_callback, |
214 | d929eba5 | bellard | &as |
215 | feea13e1 | bellard | ); |
216 | feea13e1 | bellard | } |
217 | feea13e1 | bellard | |
218 | feea13e1 | bellard | control (s, 1);
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219 | feea13e1 | bellard | } |
220 | feea13e1 | bellard | |
221 | 85571bc7 | bellard | static void dma_cmd8 (SB16State *s, int mask, int dma_len) |
222 | 85571bc7 | bellard | { |
223 | 85571bc7 | bellard | s->fmt = AUD_FMT_U8; |
224 | 85571bc7 | bellard | s->use_hdma = 0;
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225 | 85571bc7 | bellard | s->fmt_bits = 8;
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226 | 85571bc7 | bellard | s->fmt_signed = 0;
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227 | 85571bc7 | bellard | s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0; |
228 | 85571bc7 | bellard | if (-1 == s->time_const) { |
229 | feea13e1 | bellard | if (s->freq <= 0) |
230 | feea13e1 | bellard | s->freq = 11025;
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231 | 85571bc7 | bellard | } |
232 | 85571bc7 | bellard | else {
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233 | 85571bc7 | bellard | int tmp = (256 - s->time_const); |
234 | 85571bc7 | bellard | s->freq = (1000000 + (tmp / 2)) / tmp; |
235 | 85571bc7 | bellard | } |
236 | 85571bc7 | bellard | |
237 | 1d14ffa9 | bellard | if (dma_len != -1) { |
238 | 15b61470 | bellard | s->block_size = dma_len << s->fmt_stereo; |
239 | 1d14ffa9 | bellard | } |
240 | 15b61470 | bellard | else {
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241 | 15b61470 | bellard | /* This is apparently the only way to make both Act1/PL
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242 | 15b61470 | bellard | and SecondReality/FC work
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243 | 15b61470 | bellard | |
244 | 15b61470 | bellard | Act1 sets block size via command 0x48 and it's an odd number
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245 | 15b61470 | bellard | SR does the same with even number
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246 | 15b61470 | bellard | Both use stereo, and Creatives own documentation states that
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247 | 15b61470 | bellard | 0x48 sets block size in bytes less one.. go figure */
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248 | 15b61470 | bellard | s->block_size &= ~s->fmt_stereo; |
249 | 15b61470 | bellard | } |
250 | 85571bc7 | bellard | |
251 | 85571bc7 | bellard | s->freq >>= s->fmt_stereo; |
252 | 85571bc7 | bellard | s->left_till_irq = s->block_size; |
253 | 85571bc7 | bellard | s->bytes_per_second = (s->freq << s->fmt_stereo); |
254 | 85571bc7 | bellard | /* s->highspeed = (mask & DMA8_HIGH) != 0; */
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255 | 85571bc7 | bellard | s->dma_auto = (mask & DMA8_AUTO) != 0;
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256 | 85571bc7 | bellard | s->align = (1 << s->fmt_stereo) - 1; |
257 | 85571bc7 | bellard | |
258 | 1d14ffa9 | bellard | if (s->block_size & s->align) {
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259 | 1d14ffa9 | bellard | dolog ("warning: misaligned block size %d, alignment %d\n",
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260 | 1d14ffa9 | bellard | s->block_size, s->align + 1);
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261 | 1d14ffa9 | bellard | } |
262 | 15b61470 | bellard | |
263 | 85571bc7 | bellard | ldebug ("freq %d, stereo %d, sign %d, bits %d, "
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264 | 85571bc7 | bellard | "dma %d, auto %d, fifo %d, high %d\n",
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265 | 85571bc7 | bellard | s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
266 | 85571bc7 | bellard | s->block_size, s->dma_auto, s->fifo, s->highspeed); |
267 | 85571bc7 | bellard | |
268 | feea13e1 | bellard | continue_dma8 (s); |
269 | 85571bc7 | bellard | speaker (s, 1);
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270 | 85571bc7 | bellard | } |
271 | 27503323 | bellard | |
272 | 85571bc7 | bellard | static void dma_cmd (SB16State *s, uint8_t cmd, uint8_t d0, int dma_len) |
273 | 85571bc7 | bellard | { |
274 | 85571bc7 | bellard | s->use_hdma = cmd < 0xc0;
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275 | 85571bc7 | bellard | s->fifo = (cmd >> 1) & 1; |
276 | 85571bc7 | bellard | s->dma_auto = (cmd >> 2) & 1; |
277 | 85571bc7 | bellard | s->fmt_signed = (d0 >> 4) & 1; |
278 | 85571bc7 | bellard | s->fmt_stereo = (d0 >> 5) & 1; |
279 | 27503323 | bellard | |
280 | 27503323 | bellard | switch (cmd >> 4) { |
281 | 27503323 | bellard | case 11: |
282 | 85571bc7 | bellard | s->fmt_bits = 16;
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283 | 27503323 | bellard | break;
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284 | 27503323 | bellard | |
285 | 27503323 | bellard | case 12: |
286 | 85571bc7 | bellard | s->fmt_bits = 8;
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287 | 27503323 | bellard | break;
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288 | 27503323 | bellard | } |
289 | 27503323 | bellard | |
290 | 85571bc7 | bellard | if (-1 != s->time_const) { |
291 | 85571bc7 | bellard | #if 1 |
292 | 85571bc7 | bellard | int tmp = 256 - s->time_const; |
293 | 85571bc7 | bellard | s->freq = (1000000 + (tmp / 2)) / tmp; |
294 | 85571bc7 | bellard | #else
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295 | 85571bc7 | bellard | /* s->freq = 1000000 / ((255 - s->time_const) << s->fmt_stereo); */
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296 | 85571bc7 | bellard | s->freq = 1000000 / ((255 - s->time_const)); |
297 | 85571bc7 | bellard | #endif
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298 | 85571bc7 | bellard | s->time_const = -1;
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299 | 27503323 | bellard | } |
300 | 27503323 | bellard | |
301 | 85571bc7 | bellard | s->block_size = dma_len + 1;
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302 | 85571bc7 | bellard | s->block_size <<= (s->fmt_bits == 16);
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303 | 15b61470 | bellard | if (!s->dma_auto) {
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304 | 15b61470 | bellard | /* It is clear that for DOOM and auto-init this value
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305 | 15b61470 | bellard | shouldn't take stereo into account, while Miles Sound Systems
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306 | 15b61470 | bellard | setsound.exe with single transfer mode wouldn't work without it
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307 | 15b61470 | bellard | wonders of SB16 yet again */
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308 | 85571bc7 | bellard | s->block_size <<= s->fmt_stereo; |
309 | 15b61470 | bellard | } |
310 | 27503323 | bellard | |
311 | 85571bc7 | bellard | ldebug ("freq %d, stereo %d, sign %d, bits %d, "
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312 | 85571bc7 | bellard | "dma %d, auto %d, fifo %d, high %d\n",
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313 | 85571bc7 | bellard | s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
314 | 85571bc7 | bellard | s->block_size, s->dma_auto, s->fifo, s->highspeed); |
315 | 27503323 | bellard | |
316 | 85571bc7 | bellard | if (16 == s->fmt_bits) { |
317 | 85571bc7 | bellard | if (s->fmt_signed) {
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318 | 85571bc7 | bellard | s->fmt = AUD_FMT_S16; |
319 | 27503323 | bellard | } |
320 | 27503323 | bellard | else {
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321 | 85571bc7 | bellard | s->fmt = AUD_FMT_U16; |
322 | 27503323 | bellard | } |
323 | 27503323 | bellard | } |
324 | 27503323 | bellard | else {
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325 | 85571bc7 | bellard | if (s->fmt_signed) {
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326 | 85571bc7 | bellard | s->fmt = AUD_FMT_S8; |
327 | 27503323 | bellard | } |
328 | 27503323 | bellard | else {
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329 | 85571bc7 | bellard | s->fmt = AUD_FMT_U8; |
330 | 27503323 | bellard | } |
331 | 27503323 | bellard | } |
332 | 27503323 | bellard | |
333 | 85571bc7 | bellard | s->left_till_irq = s->block_size; |
334 | 27503323 | bellard | |
335 | 85571bc7 | bellard | s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16);
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336 | 85571bc7 | bellard | s->highspeed = 0;
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337 | 85571bc7 | bellard | s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; |
338 | 1d14ffa9 | bellard | if (s->block_size & s->align) {
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339 | 1d14ffa9 | bellard | dolog ("warning: misaligned block size %d, alignment %d\n",
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340 | 1d14ffa9 | bellard | s->block_size, s->align + 1);
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341 | 1d14ffa9 | bellard | } |
342 | 27503323 | bellard | |
343 | 1d14ffa9 | bellard | if (s->freq) {
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344 | c0fe3827 | bellard | audsettings_t as; |
345 | c0fe3827 | bellard | |
346 | 1d14ffa9 | bellard | s->audio_free = 0;
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347 | c0fe3827 | bellard | |
348 | c0fe3827 | bellard | as.freq = s->freq; |
349 | c0fe3827 | bellard | as.nchannels = 1 << s->fmt_stereo;
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350 | c0fe3827 | bellard | as.fmt = s->fmt; |
351 | d929eba5 | bellard | as.endianness = 0;
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352 | c0fe3827 | bellard | |
353 | 1d14ffa9 | bellard | s->voice = AUD_open_out ( |
354 | c0fe3827 | bellard | &s->card, |
355 | 1d14ffa9 | bellard | s->voice, |
356 | 1d14ffa9 | bellard | "sb16",
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357 | 1d14ffa9 | bellard | s, |
358 | 1d14ffa9 | bellard | SB_audio_callback, |
359 | d929eba5 | bellard | &as |
360 | 1d14ffa9 | bellard | ); |
361 | 1d14ffa9 | bellard | } |
362 | 27503323 | bellard | |
363 | 85571bc7 | bellard | control (s, 1);
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364 | 85571bc7 | bellard | speaker (s, 1);
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365 | 27503323 | bellard | } |
366 | 27503323 | bellard | |
367 | 85571bc7 | bellard | static inline void dsp_out_data (SB16State *s, uint8_t val) |
368 | 202a456a | bellard | { |
369 | 85571bc7 | bellard | ldebug ("outdata %#x\n", val);
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370 | c0fe3827 | bellard | if ((size_t) s->out_data_len < sizeof (s->out_data)) { |
371 | 85571bc7 | bellard | s->out_data[s->out_data_len++] = val; |
372 | 1d14ffa9 | bellard | } |
373 | 202a456a | bellard | } |
374 | 202a456a | bellard | |
375 | 85571bc7 | bellard | static inline uint8_t dsp_get_data (SB16State *s) |
376 | d75d9f6b | bellard | { |
377 | 1d14ffa9 | bellard | if (s->in_index) {
|
378 | 85571bc7 | bellard | return s->in2_data[--s->in_index];
|
379 | 1d14ffa9 | bellard | } |
380 | 85571bc7 | bellard | else {
|
381 | 85571bc7 | bellard | dolog ("buffer underflow\n");
|
382 | d75d9f6b | bellard | return 0; |
383 | 85571bc7 | bellard | } |
384 | d75d9f6b | bellard | } |
385 | d75d9f6b | bellard | |
386 | 85571bc7 | bellard | static void command (SB16State *s, uint8_t cmd) |
387 | 27503323 | bellard | { |
388 | 85571bc7 | bellard | ldebug ("command %#x\n", cmd);
|
389 | 27503323 | bellard | |
390 | 27503323 | bellard | if (cmd > 0xaf && cmd < 0xd0) { |
391 | 85571bc7 | bellard | if (cmd & 8) { |
392 | 85571bc7 | bellard | dolog ("ADC not yet supported (command %#x)\n", cmd);
|
393 | 85571bc7 | bellard | } |
394 | 27503323 | bellard | |
395 | 27503323 | bellard | switch (cmd >> 4) { |
396 | 27503323 | bellard | case 11: |
397 | 27503323 | bellard | case 12: |
398 | 27503323 | bellard | break;
|
399 | 27503323 | bellard | default:
|
400 | 85571bc7 | bellard | dolog ("%#x wrong bits\n", cmd);
|
401 | 27503323 | bellard | } |
402 | 85571bc7 | bellard | s->needed_bytes = 3;
|
403 | 27503323 | bellard | } |
404 | 27503323 | bellard | else {
|
405 | 1d14ffa9 | bellard | s->needed_bytes = 0;
|
406 | 1d14ffa9 | bellard | |
407 | 27503323 | bellard | switch (cmd) {
|
408 | d75d9f6b | bellard | case 0x03: |
409 | 85571bc7 | bellard | dsp_out_data (s, 0x10); /* s->csp_param); */ |
410 | 85571bc7 | bellard | goto warn;
|
411 | 85571bc7 | bellard | |
412 | d329a6fb | bellard | case 0x04: |
413 | 85571bc7 | bellard | s->needed_bytes = 1;
|
414 | 85571bc7 | bellard | goto warn;
|
415 | d329a6fb | bellard | |
416 | d329a6fb | bellard | case 0x05: |
417 | 85571bc7 | bellard | s->needed_bytes = 2;
|
418 | 85571bc7 | bellard | goto warn;
|
419 | 85571bc7 | bellard | |
420 | 85571bc7 | bellard | case 0x08: |
421 | 85571bc7 | bellard | /* __asm__ ("int3"); */
|
422 | 85571bc7 | bellard | goto warn;
|
423 | d75d9f6b | bellard | |
424 | d329a6fb | bellard | case 0x0e: |
425 | 85571bc7 | bellard | s->needed_bytes = 2;
|
426 | 85571bc7 | bellard | goto warn;
|
427 | 85571bc7 | bellard | |
428 | 85571bc7 | bellard | case 0x09: |
429 | 85571bc7 | bellard | dsp_out_data (s, 0xf8);
|
430 | 85571bc7 | bellard | goto warn;
|
431 | d329a6fb | bellard | |
432 | d329a6fb | bellard | case 0x0f: |
433 | 85571bc7 | bellard | s->needed_bytes = 1;
|
434 | 85571bc7 | bellard | goto warn;
|
435 | d329a6fb | bellard | |
436 | 27503323 | bellard | case 0x10: |
437 | 85571bc7 | bellard | s->needed_bytes = 1;
|
438 | 85571bc7 | bellard | goto warn;
|
439 | 27503323 | bellard | |
440 | 27503323 | bellard | case 0x14: |
441 | 85571bc7 | bellard | s->needed_bytes = 2;
|
442 | 85571bc7 | bellard | s->block_size = 0;
|
443 | 27503323 | bellard | break;
|
444 | 27503323 | bellard | |
445 | 15b61470 | bellard | case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */ |
446 | feea13e1 | bellard | dma_cmd8 (s, DMA8_AUTO, -1);
|
447 | 15b61470 | bellard | break;
|
448 | 15b61470 | bellard | |
449 | 85571bc7 | bellard | case 0x20: /* Direct ADC, Juice/PL */ |
450 | 85571bc7 | bellard | dsp_out_data (s, 0xff);
|
451 | 85571bc7 | bellard | goto warn;
|
452 | 27503323 | bellard | |
453 | 27503323 | bellard | case 0x35: |
454 | 1d14ffa9 | bellard | dolog ("0x35 - MIDI command not implemented\n");
|
455 | 27503323 | bellard | break;
|
456 | 27503323 | bellard | |
457 | 27503323 | bellard | case 0x40: |
458 | 85571bc7 | bellard | s->freq = -1;
|
459 | 85571bc7 | bellard | s->time_const = -1;
|
460 | 85571bc7 | bellard | s->needed_bytes = 1;
|
461 | 27503323 | bellard | break;
|
462 | 27503323 | bellard | |
463 | 27503323 | bellard | case 0x41: |
464 | 85571bc7 | bellard | s->freq = -1;
|
465 | 85571bc7 | bellard | s->time_const = -1;
|
466 | 85571bc7 | bellard | s->needed_bytes = 2;
|
467 | 27503323 | bellard | break;
|
468 | 27503323 | bellard | |
469 | 85571bc7 | bellard | case 0x42: |
470 | 85571bc7 | bellard | s->freq = -1;
|
471 | 85571bc7 | bellard | s->time_const = -1;
|
472 | 85571bc7 | bellard | s->needed_bytes = 2;
|
473 | 85571bc7 | bellard | goto warn;
|
474 | 85571bc7 | bellard | |
475 | d75d9f6b | bellard | case 0x45: |
476 | 85571bc7 | bellard | dsp_out_data (s, 0xaa);
|
477 | 85571bc7 | bellard | goto warn;
|
478 | 85571bc7 | bellard | |
479 | 27503323 | bellard | case 0x47: /* Continue Auto-Initialize DMA 16bit */ |
480 | 27503323 | bellard | break;
|
481 | 27503323 | bellard | |
482 | 27503323 | bellard | case 0x48: |
483 | 85571bc7 | bellard | s->needed_bytes = 2;
|
484 | 27503323 | bellard | break;
|
485 | 27503323 | bellard | |
486 | 1d14ffa9 | bellard | case 0x74: |
487 | 1d14ffa9 | bellard | s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */ |
488 | 1d14ffa9 | bellard | dolog ("0x75 - DMA DAC, 4-bit ADPCM not implemented\n");
|
489 | 1d14ffa9 | bellard | break;
|
490 | 1d14ffa9 | bellard | |
491 | 1d14ffa9 | bellard | case 0x75: /* DMA DAC, 4-bit ADPCM Reference */ |
492 | 1d14ffa9 | bellard | s->needed_bytes = 2;
|
493 | 1d14ffa9 | bellard | dolog ("0x74 - DMA DAC, 4-bit ADPCM Reference not implemented\n");
|
494 | 1d14ffa9 | bellard | break;
|
495 | 1d14ffa9 | bellard | |
496 | 1d14ffa9 | bellard | case 0x76: /* DMA DAC, 2.6-bit ADPCM */ |
497 | 1d14ffa9 | bellard | s->needed_bytes = 2;
|
498 | 1d14ffa9 | bellard | dolog ("0x74 - DMA DAC, 2.6-bit ADPCM not implemented\n");
|
499 | 1d14ffa9 | bellard | break;
|
500 | 1d14ffa9 | bellard | |
501 | 1d14ffa9 | bellard | case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */ |
502 | 1d14ffa9 | bellard | s->needed_bytes = 2;
|
503 | 1d14ffa9 | bellard | dolog ("0x74 - DMA DAC, 2.6-bit ADPCM Reference not implemented\n");
|
504 | 1d14ffa9 | bellard | break;
|
505 | 1d14ffa9 | bellard | |
506 | 1d14ffa9 | bellard | case 0x7d: |
507 | 1d14ffa9 | bellard | dolog ("0x7d - Autio-Initialize DMA DAC, 4-bit ADPCM Reference\n");
|
508 | 1d14ffa9 | bellard | dolog ("not implemented\n");
|
509 | 1d14ffa9 | bellard | break;
|
510 | 1d14ffa9 | bellard | |
511 | 1d14ffa9 | bellard | case 0x7f: |
512 | 1d14ffa9 | bellard | dolog ( |
513 | 1d14ffa9 | bellard | "0x7d - Autio-Initialize DMA DAC, 2.6-bit ADPCM Reference\n"
|
514 | 1d14ffa9 | bellard | ); |
515 | 1d14ffa9 | bellard | dolog ("not implemented\n");
|
516 | 1d14ffa9 | bellard | break;
|
517 | 1d14ffa9 | bellard | |
518 | 27503323 | bellard | case 0x80: |
519 | 85571bc7 | bellard | s->needed_bytes = 2;
|
520 | 27503323 | bellard | break;
|
521 | 27503323 | bellard | |
522 | 27503323 | bellard | case 0x90: |
523 | 27503323 | bellard | case 0x91: |
524 | 85571bc7 | bellard | dma_cmd8 (s, ((cmd & 1) == 0) | DMA8_HIGH, -1); |
525 | 85571bc7 | bellard | break;
|
526 | 27503323 | bellard | |
527 | 85571bc7 | bellard | case 0xd0: /* halt DMA operation. 8bit */ |
528 | 85571bc7 | bellard | control (s, 0);
|
529 | 85571bc7 | bellard | break;
|
530 | 27503323 | bellard | |
531 | 85571bc7 | bellard | case 0xd1: /* speaker on */ |
532 | 85571bc7 | bellard | speaker (s, 1);
|
533 | 27503323 | bellard | break;
|
534 | 27503323 | bellard | |
535 | 85571bc7 | bellard | case 0xd3: /* speaker off */ |
536 | 85571bc7 | bellard | speaker (s, 0);
|
537 | 85571bc7 | bellard | break;
|
538 | 27503323 | bellard | |
539 | 85571bc7 | bellard | case 0xd4: /* continue DMA operation. 8bit */ |
540 | feea13e1 | bellard | /* KQ6 (or maybe Sierras audblst.drv in general) resets
|
541 | feea13e1 | bellard | the frequency between halt/continue */
|
542 | feea13e1 | bellard | continue_dma8 (s); |
543 | 27503323 | bellard | break;
|
544 | 27503323 | bellard | |
545 | 85571bc7 | bellard | case 0xd5: /* halt DMA operation. 16bit */ |
546 | 85571bc7 | bellard | control (s, 0);
|
547 | 27503323 | bellard | break;
|
548 | 27503323 | bellard | |
549 | 85571bc7 | bellard | case 0xd6: /* continue DMA operation. 16bit */ |
550 | 85571bc7 | bellard | control (s, 1);
|
551 | 27503323 | bellard | break;
|
552 | 27503323 | bellard | |
553 | 85571bc7 | bellard | case 0xd9: /* exit auto-init DMA after this block. 16bit */ |
554 | 85571bc7 | bellard | s->dma_auto = 0;
|
555 | 85571bc7 | bellard | break;
|
556 | 27503323 | bellard | |
557 | 85571bc7 | bellard | case 0xda: /* exit auto-init DMA after this block. 8bit */ |
558 | 85571bc7 | bellard | s->dma_auto = 0;
|
559 | 27503323 | bellard | break;
|
560 | 27503323 | bellard | |
561 | 1d14ffa9 | bellard | case 0xe0: /* DSP identification */ |
562 | 85571bc7 | bellard | s->needed_bytes = 1;
|
563 | 1d14ffa9 | bellard | break;
|
564 | 27503323 | bellard | |
565 | 27503323 | bellard | case 0xe1: |
566 | 85571bc7 | bellard | dsp_out_data (s, s->ver & 0xff);
|
567 | 85571bc7 | bellard | dsp_out_data (s, s->ver >> 8);
|
568 | 85571bc7 | bellard | break;
|
569 | 85571bc7 | bellard | |
570 | 85571bc7 | bellard | case 0xe2: |
571 | 85571bc7 | bellard | s->needed_bytes = 1;
|
572 | 85571bc7 | bellard | goto warn;
|
573 | 27503323 | bellard | |
574 | d329a6fb | bellard | case 0xe3: |
575 | d329a6fb | bellard | { |
576 | d329a6fb | bellard | int i;
|
577 | 85571bc7 | bellard | for (i = sizeof (e3) - 1; i >= 0; --i) |
578 | 85571bc7 | bellard | dsp_out_data (s, e3[i]); |
579 | d329a6fb | bellard | } |
580 | 85571bc7 | bellard | break;
|
581 | d329a6fb | bellard | |
582 | d75d9f6b | bellard | case 0xe4: /* write test reg */ |
583 | 85571bc7 | bellard | s->needed_bytes = 1;
|
584 | d75d9f6b | bellard | break;
|
585 | d75d9f6b | bellard | |
586 | 85571bc7 | bellard | case 0xe7: |
587 | 85571bc7 | bellard | dolog ("Attempt to probe for ESS (0xe7)?\n");
|
588 | 1d14ffa9 | bellard | break;
|
589 | 85571bc7 | bellard | |
590 | d75d9f6b | bellard | case 0xe8: /* read test reg */ |
591 | 85571bc7 | bellard | dsp_out_data (s, s->test_reg); |
592 | d75d9f6b | bellard | break;
|
593 | d75d9f6b | bellard | |
594 | 27503323 | bellard | case 0xf2: |
595 | 85571bc7 | bellard | case 0xf3: |
596 | 85571bc7 | bellard | dsp_out_data (s, 0xaa);
|
597 | 85571bc7 | bellard | s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2; |
598 | 85571bc7 | bellard | pic_set_irq (s->irq, 1);
|
599 | 85571bc7 | bellard | break;
|
600 | 27503323 | bellard | |
601 | d75d9f6b | bellard | case 0xf9: |
602 | 85571bc7 | bellard | s->needed_bytes = 1;
|
603 | 85571bc7 | bellard | goto warn;
|
604 | d75d9f6b | bellard | |
605 | d75d9f6b | bellard | case 0xfa: |
606 | 85571bc7 | bellard | dsp_out_data (s, 0);
|
607 | 85571bc7 | bellard | goto warn;
|
608 | d75d9f6b | bellard | |
609 | d75d9f6b | bellard | case 0xfc: /* FIXME */ |
610 | 85571bc7 | bellard | dsp_out_data (s, 0);
|
611 | 85571bc7 | bellard | goto warn;
|
612 | d75d9f6b | bellard | |
613 | 27503323 | bellard | default:
|
614 | 1d14ffa9 | bellard | dolog ("Unrecognized command %#x\n", cmd);
|
615 | 1d14ffa9 | bellard | break;
|
616 | 27503323 | bellard | } |
617 | 27503323 | bellard | } |
618 | 85571bc7 | bellard | |
619 | 1d14ffa9 | bellard | if (!s->needed_bytes) {
|
620 | 85571bc7 | bellard | ldebug ("\n");
|
621 | 1d14ffa9 | bellard | } |
622 | 1d14ffa9 | bellard | |
623 | 1d14ffa9 | bellard | exit:
|
624 | 1d14ffa9 | bellard | if (!s->needed_bytes) {
|
625 | 1d14ffa9 | bellard | s->cmd = -1;
|
626 | 1d14ffa9 | bellard | } |
627 | 1d14ffa9 | bellard | else {
|
628 | 1d14ffa9 | bellard | s->cmd = cmd; |
629 | 1d14ffa9 | bellard | } |
630 | 27503323 | bellard | return;
|
631 | 27503323 | bellard | |
632 | 85571bc7 | bellard | warn:
|
633 | 81eea5eb | bellard | dolog ("warning: command %#x,%d is not truly understood yet\n",
|
634 | 85571bc7 | bellard | cmd, s->needed_bytes); |
635 | 1d14ffa9 | bellard | goto exit;
|
636 | 1d14ffa9 | bellard | |
637 | 27503323 | bellard | } |
638 | 27503323 | bellard | |
639 | 85571bc7 | bellard | static uint16_t dsp_get_lohi (SB16State *s)
|
640 | 85571bc7 | bellard | { |
641 | 85571bc7 | bellard | uint8_t hi = dsp_get_data (s); |
642 | 85571bc7 | bellard | uint8_t lo = dsp_get_data (s); |
643 | 85571bc7 | bellard | return (hi << 8) | lo; |
644 | 85571bc7 | bellard | } |
645 | 85571bc7 | bellard | |
646 | 85571bc7 | bellard | static uint16_t dsp_get_hilo (SB16State *s)
|
647 | 85571bc7 | bellard | { |
648 | 85571bc7 | bellard | uint8_t lo = dsp_get_data (s); |
649 | 85571bc7 | bellard | uint8_t hi = dsp_get_data (s); |
650 | 85571bc7 | bellard | return (hi << 8) | lo; |
651 | 85571bc7 | bellard | } |
652 | 85571bc7 | bellard | |
653 | 85571bc7 | bellard | static void complete (SB16State *s) |
654 | 27503323 | bellard | { |
655 | d75d9f6b | bellard | int d0, d1, d2;
|
656 | 85571bc7 | bellard | ldebug ("complete command %#x, in_index %d, needed_bytes %d\n",
|
657 | 85571bc7 | bellard | s->cmd, s->in_index, s->needed_bytes); |
658 | 27503323 | bellard | |
659 | 85571bc7 | bellard | if (s->cmd > 0xaf && s->cmd < 0xd0) { |
660 | 85571bc7 | bellard | d2 = dsp_get_data (s); |
661 | 85571bc7 | bellard | d1 = dsp_get_data (s); |
662 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
663 | 27503323 | bellard | |
664 | 85571bc7 | bellard | if (s->cmd & 8) { |
665 | 85571bc7 | bellard | dolog ("ADC params cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
|
666 | 85571bc7 | bellard | s->cmd, d0, d1, d2); |
667 | 85571bc7 | bellard | } |
668 | 85571bc7 | bellard | else {
|
669 | 85571bc7 | bellard | ldebug ("cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
|
670 | 85571bc7 | bellard | s->cmd, d0, d1, d2); |
671 | 85571bc7 | bellard | dma_cmd (s, s->cmd, d0, d1 + (d2 << 8));
|
672 | 85571bc7 | bellard | } |
673 | 27503323 | bellard | } |
674 | 27503323 | bellard | else {
|
675 | 85571bc7 | bellard | switch (s->cmd) {
|
676 | d329a6fb | bellard | case 0x04: |
677 | 85571bc7 | bellard | s->csp_mode = dsp_get_data (s); |
678 | 85571bc7 | bellard | s->csp_reg83r = 0;
|
679 | 85571bc7 | bellard | s->csp_reg83w = 0;
|
680 | 85571bc7 | bellard | ldebug ("CSP command 0x04: mode=%#x\n", s->csp_mode);
|
681 | d75d9f6b | bellard | break;
|
682 | d75d9f6b | bellard | |
683 | 85571bc7 | bellard | case 0x05: |
684 | 85571bc7 | bellard | s->csp_param = dsp_get_data (s); |
685 | 85571bc7 | bellard | s->csp_value = dsp_get_data (s); |
686 | 85571bc7 | bellard | ldebug ("CSP command 0x05: param=%#x value=%#x\n",
|
687 | 85571bc7 | bellard | s->csp_param, |
688 | 85571bc7 | bellard | s->csp_value); |
689 | d329a6fb | bellard | break;
|
690 | 27503323 | bellard | |
691 | d75d9f6b | bellard | case 0x0e: |
692 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
693 | 85571bc7 | bellard | d1 = dsp_get_data (s); |
694 | 85571bc7 | bellard | ldebug ("write CSP register %d <- %#x\n", d1, d0);
|
695 | 85571bc7 | bellard | if (d1 == 0x83) { |
696 | 85571bc7 | bellard | ldebug ("0x83[%d] <- %#x\n", s->csp_reg83r, d0);
|
697 | 85571bc7 | bellard | s->csp_reg83[s->csp_reg83r % 4] = d0;
|
698 | 85571bc7 | bellard | s->csp_reg83r += 1;
|
699 | 85571bc7 | bellard | } |
700 | 1d14ffa9 | bellard | else {
|
701 | 85571bc7 | bellard | s->csp_regs[d1] = d0; |
702 | 1d14ffa9 | bellard | } |
703 | 27503323 | bellard | break;
|
704 | 27503323 | bellard | |
705 | 85571bc7 | bellard | case 0x0f: |
706 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
707 | 85571bc7 | bellard | ldebug ("read CSP register %#x -> %#x, mode=%#x\n",
|
708 | 85571bc7 | bellard | d0, s->csp_regs[d0], s->csp_mode); |
709 | 85571bc7 | bellard | if (d0 == 0x83) { |
710 | 85571bc7 | bellard | ldebug ("0x83[%d] -> %#x\n",
|
711 | 85571bc7 | bellard | s->csp_reg83w, |
712 | 85571bc7 | bellard | s->csp_reg83[s->csp_reg83w % 4]);
|
713 | 85571bc7 | bellard | dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]);
|
714 | 85571bc7 | bellard | s->csp_reg83w += 1;
|
715 | 85571bc7 | bellard | } |
716 | 1d14ffa9 | bellard | else {
|
717 | 85571bc7 | bellard | dsp_out_data (s, s->csp_regs[d0]); |
718 | 1d14ffa9 | bellard | } |
719 | 85571bc7 | bellard | break;
|
720 | 27503323 | bellard | |
721 | 85571bc7 | bellard | case 0x10: |
722 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
723 | 85571bc7 | bellard | dolog ("cmd 0x10 d0=%#x\n", d0);
|
724 | 85571bc7 | bellard | break;
|
725 | 27503323 | bellard | |
726 | 85571bc7 | bellard | case 0x14: |
727 | 15b61470 | bellard | dma_cmd8 (s, 0, dsp_get_lohi (s) + 1); |
728 | 85571bc7 | bellard | break;
|
729 | 27503323 | bellard | |
730 | 27503323 | bellard | case 0x40: |
731 | 85571bc7 | bellard | s->time_const = dsp_get_data (s); |
732 | 85571bc7 | bellard | ldebug ("set time const %d\n", s->time_const);
|
733 | 27503323 | bellard | break;
|
734 | 27503323 | bellard | |
735 | 85571bc7 | bellard | case 0x42: /* FT2 sets output freq with this, go figure */ |
736 | 1d14ffa9 | bellard | #if 0
|
737 | 85571bc7 | bellard | dolog ("cmd 0x42 might not do what it think it should\n");
|
738 | 1d14ffa9 | bellard | #endif
|
739 | 85571bc7 | bellard | case 0x41: |
740 | 85571bc7 | bellard | s->freq = dsp_get_hilo (s); |
741 | 85571bc7 | bellard | ldebug ("set freq %d\n", s->freq);
|
742 | 27503323 | bellard | break;
|
743 | 27503323 | bellard | |
744 | 27503323 | bellard | case 0x48: |
745 | 15b61470 | bellard | s->block_size = dsp_get_lohi (s) + 1;
|
746 | 85571bc7 | bellard | ldebug ("set dma block len %d\n", s->block_size);
|
747 | 85571bc7 | bellard | break;
|
748 | 85571bc7 | bellard | |
749 | 1d14ffa9 | bellard | case 0x74: |
750 | 1d14ffa9 | bellard | case 0x75: |
751 | 1d14ffa9 | bellard | case 0x76: |
752 | 1d14ffa9 | bellard | case 0x77: |
753 | 1d14ffa9 | bellard | /* ADPCM stuff, ignore */
|
754 | 1d14ffa9 | bellard | break;
|
755 | 1d14ffa9 | bellard | |
756 | 85571bc7 | bellard | case 0x80: |
757 | 85571bc7 | bellard | { |
758 | 15b61470 | bellard | int freq, samples, bytes;
|
759 | 85571bc7 | bellard | int64_t ticks; |
760 | 85571bc7 | bellard | |
761 | 15b61470 | bellard | freq = s->freq > 0 ? s->freq : 11025; |
762 | 15b61470 | bellard | samples = dsp_get_lohi (s) + 1;
|
763 | 85571bc7 | bellard | bytes = samples << s->fmt_stereo << (s->fmt_bits == 16);
|
764 | 15b61470 | bellard | ticks = (bytes * ticks_per_sec) / freq; |
765 | 1d14ffa9 | bellard | if (ticks < ticks_per_sec / 1024) { |
766 | 85571bc7 | bellard | pic_set_irq (s->irq, 1);
|
767 | 1d14ffa9 | bellard | } |
768 | 1d14ffa9 | bellard | else {
|
769 | 1d14ffa9 | bellard | if (s->aux_ts) {
|
770 | 1d14ffa9 | bellard | qemu_mod_timer ( |
771 | 1d14ffa9 | bellard | s->aux_ts, |
772 | 1d14ffa9 | bellard | qemu_get_clock (vm_clock) + ticks |
773 | 1d14ffa9 | bellard | ); |
774 | 1d14ffa9 | bellard | } |
775 | 1d14ffa9 | bellard | } |
776 | 26a76461 | bellard | ldebug ("mix silence %d %d %" PRId64 "\n", samples, bytes, ticks); |
777 | 85571bc7 | bellard | } |
778 | 27503323 | bellard | break;
|
779 | 27503323 | bellard | |
780 | 27503323 | bellard | case 0xe0: |
781 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
782 | 85571bc7 | bellard | s->out_data_len = 0;
|
783 | 85571bc7 | bellard | ldebug ("E0 data = %#x\n", d0);
|
784 | 1d14ffa9 | bellard | dsp_out_data (s, ~d0); |
785 | d75d9f6b | bellard | break;
|
786 | d75d9f6b | bellard | |
787 | 85571bc7 | bellard | case 0xe2: |
788 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
789 | 15b61470 | bellard | ldebug ("E2 = %#x\n", d0);
|
790 | d75d9f6b | bellard | break;
|
791 | d75d9f6b | bellard | |
792 | 85571bc7 | bellard | case 0xe4: |
793 | 85571bc7 | bellard | s->test_reg = dsp_get_data (s); |
794 | 85571bc7 | bellard | break;
|
795 | d75d9f6b | bellard | |
796 | d75d9f6b | bellard | case 0xf9: |
797 | 85571bc7 | bellard | d0 = dsp_get_data (s); |
798 | 85571bc7 | bellard | ldebug ("command 0xf9 with %#x\n", d0);
|
799 | d75d9f6b | bellard | switch (d0) {
|
800 | 85571bc7 | bellard | case 0x0e: |
801 | 85571bc7 | bellard | dsp_out_data (s, 0xff);
|
802 | 85571bc7 | bellard | break;
|
803 | 85571bc7 | bellard | |
804 | 85571bc7 | bellard | case 0x0f: |
805 | 85571bc7 | bellard | dsp_out_data (s, 0x07);
|
806 | 85571bc7 | bellard | break;
|
807 | 85571bc7 | bellard | |
808 | d75d9f6b | bellard | case 0x37: |
809 | 85571bc7 | bellard | dsp_out_data (s, 0x38);
|
810 | 85571bc7 | bellard | break;
|
811 | 85571bc7 | bellard | |
812 | d75d9f6b | bellard | default:
|
813 | 85571bc7 | bellard | dsp_out_data (s, 0x00);
|
814 | 85571bc7 | bellard | break;
|
815 | d75d9f6b | bellard | } |
816 | 27503323 | bellard | break;
|
817 | 27503323 | bellard | |
818 | 27503323 | bellard | default:
|
819 | 85571bc7 | bellard | dolog ("complete: unrecognized command %#x\n", s->cmd);
|
820 | 5e2a6443 | bellard | return;
|
821 | 27503323 | bellard | } |
822 | 27503323 | bellard | } |
823 | 27503323 | bellard | |
824 | 85571bc7 | bellard | ldebug ("\n");
|
825 | 85571bc7 | bellard | s->cmd = -1;
|
826 | 27503323 | bellard | return;
|
827 | 27503323 | bellard | } |
828 | 27503323 | bellard | |
829 | feea13e1 | bellard | static void legacy_reset (SB16State *s) |
830 | feea13e1 | bellard | { |
831 | feea13e1 | bellard | audsettings_t as; |
832 | feea13e1 | bellard | |
833 | feea13e1 | bellard | s->freq = 11025;
|
834 | feea13e1 | bellard | s->fmt_signed = 0;
|
835 | feea13e1 | bellard | s->fmt_bits = 8;
|
836 | feea13e1 | bellard | s->fmt_stereo = 0;
|
837 | feea13e1 | bellard | |
838 | feea13e1 | bellard | as.freq = s->freq; |
839 | feea13e1 | bellard | as.nchannels = 1;
|
840 | feea13e1 | bellard | as.fmt = AUD_FMT_U8; |
841 | d929eba5 | bellard | as.endianness = 0;
|
842 | feea13e1 | bellard | |
843 | feea13e1 | bellard | s->voice = AUD_open_out ( |
844 | feea13e1 | bellard | &s->card, |
845 | feea13e1 | bellard | s->voice, |
846 | feea13e1 | bellard | "sb16",
|
847 | feea13e1 | bellard | s, |
848 | feea13e1 | bellard | SB_audio_callback, |
849 | d929eba5 | bellard | &as |
850 | feea13e1 | bellard | ); |
851 | feea13e1 | bellard | |
852 | feea13e1 | bellard | /* Not sure about that... */
|
853 | feea13e1 | bellard | /* AUD_set_active_out (s->voice, 1); */
|
854 | feea13e1 | bellard | } |
855 | feea13e1 | bellard | |
856 | 85571bc7 | bellard | static void reset (SB16State *s) |
857 | 85571bc7 | bellard | { |
858 | 85571bc7 | bellard | pic_set_irq (s->irq, 0);
|
859 | 85571bc7 | bellard | if (s->dma_auto) {
|
860 | 85571bc7 | bellard | pic_set_irq (s->irq, 1);
|
861 | 85571bc7 | bellard | pic_set_irq (s->irq, 0);
|
862 | 85571bc7 | bellard | } |
863 | 85571bc7 | bellard | |
864 | 85571bc7 | bellard | s->mixer_regs[0x82] = 0; |
865 | 85571bc7 | bellard | s->dma_auto = 0;
|
866 | 85571bc7 | bellard | s->in_index = 0;
|
867 | 85571bc7 | bellard | s->out_data_len = 0;
|
868 | 85571bc7 | bellard | s->left_till_irq = 0;
|
869 | 85571bc7 | bellard | s->needed_bytes = 0;
|
870 | 85571bc7 | bellard | s->block_size = -1;
|
871 | 85571bc7 | bellard | s->nzero = 0;
|
872 | 85571bc7 | bellard | s->highspeed = 0;
|
873 | 85571bc7 | bellard | s->v2x6 = 0;
|
874 | 1d14ffa9 | bellard | s->cmd = -1;
|
875 | 85571bc7 | bellard | |
876 | 85571bc7 | bellard | dsp_out_data(s, 0xaa);
|
877 | 85571bc7 | bellard | speaker (s, 0);
|
878 | 85571bc7 | bellard | control (s, 0);
|
879 | feea13e1 | bellard | legacy_reset (s); |
880 | 85571bc7 | bellard | } |
881 | 85571bc7 | bellard | |
882 | 27503323 | bellard | static IO_WRITE_PROTO (dsp_write)
|
883 | 27503323 | bellard | { |
884 | 85571bc7 | bellard | SB16State *s = opaque; |
885 | 27503323 | bellard | int iport;
|
886 | 27503323 | bellard | |
887 | 85571bc7 | bellard | iport = nport - s->port; |
888 | 27503323 | bellard | |
889 | 85571bc7 | bellard | ldebug ("write %#x <- %#x\n", nport, val);
|
890 | 27503323 | bellard | switch (iport) {
|
891 | 85571bc7 | bellard | case 0x06: |
892 | 85571bc7 | bellard | switch (val) {
|
893 | 85571bc7 | bellard | case 0x00: |
894 | 85571bc7 | bellard | if (s->v2x6 == 1) { |
895 | 85571bc7 | bellard | if (0 && s->highspeed) { |
896 | 85571bc7 | bellard | s->highspeed = 0;
|
897 | 85571bc7 | bellard | pic_set_irq (s->irq, 0);
|
898 | 85571bc7 | bellard | control (s, 0);
|
899 | 85571bc7 | bellard | } |
900 | 1d14ffa9 | bellard | else {
|
901 | 85571bc7 | bellard | reset (s); |
902 | 1d14ffa9 | bellard | } |
903 | 85571bc7 | bellard | } |
904 | 85571bc7 | bellard | s->v2x6 = 0;
|
905 | 85571bc7 | bellard | break;
|
906 | 85571bc7 | bellard | |
907 | 85571bc7 | bellard | case 0x01: |
908 | 85571bc7 | bellard | case 0x03: /* FreeBSD kludge */ |
909 | 85571bc7 | bellard | s->v2x6 = 1;
|
910 | 85571bc7 | bellard | break;
|
911 | 85571bc7 | bellard | |
912 | 85571bc7 | bellard | case 0xc6: |
913 | 85571bc7 | bellard | s->v2x6 = 0; /* Prince of Persia, csp.sys, diagnose.exe */ |
914 | 85571bc7 | bellard | break;
|
915 | 85571bc7 | bellard | |
916 | 85571bc7 | bellard | case 0xb8: /* Panic */ |
917 | 85571bc7 | bellard | reset (s); |
918 | 85571bc7 | bellard | break;
|
919 | 85571bc7 | bellard | |
920 | 85571bc7 | bellard | case 0x39: |
921 | 85571bc7 | bellard | dsp_out_data (s, 0x38);
|
922 | 85571bc7 | bellard | reset (s); |
923 | 85571bc7 | bellard | s->v2x6 = 0x39;
|
924 | 85571bc7 | bellard | break;
|
925 | 85571bc7 | bellard | |
926 | 85571bc7 | bellard | default:
|
927 | 85571bc7 | bellard | s->v2x6 = val; |
928 | 85571bc7 | bellard | break;
|
929 | 27503323 | bellard | } |
930 | 27503323 | bellard | break;
|
931 | 27503323 | bellard | |
932 | 85571bc7 | bellard | case 0x0c: /* write data or command | write status */ |
933 | 85571bc7 | bellard | /* if (s->highspeed) */
|
934 | 85571bc7 | bellard | /* break; */
|
935 | 85571bc7 | bellard | |
936 | 85571bc7 | bellard | if (0 == s->needed_bytes) { |
937 | 85571bc7 | bellard | command (s, val); |
938 | 85571bc7 | bellard | #if 0
|
939 | 85571bc7 | bellard | if (0 == s->needed_bytes) {
|
940 | 85571bc7 | bellard | log_dsp (s);
|
941 | 27503323 | bellard | }
|
942 | 85571bc7 | bellard | #endif
|
943 | 27503323 | bellard | } |
944 | 27503323 | bellard | else {
|
945 | 85571bc7 | bellard | if (s->in_index == sizeof (s->in2_data)) { |
946 | d75d9f6b | bellard | dolog ("in data overrun\n");
|
947 | d75d9f6b | bellard | } |
948 | d75d9f6b | bellard | else {
|
949 | 85571bc7 | bellard | s->in2_data[s->in_index++] = val; |
950 | 85571bc7 | bellard | if (s->in_index == s->needed_bytes) {
|
951 | 85571bc7 | bellard | s->needed_bytes = 0;
|
952 | 85571bc7 | bellard | complete (s); |
953 | 85571bc7 | bellard | #if 0
|
954 | 85571bc7 | bellard | log_dsp (s);
|
955 | 85571bc7 | bellard | #endif
|
956 | 85571bc7 | bellard | } |
957 | 27503323 | bellard | } |
958 | 27503323 | bellard | } |
959 | 27503323 | bellard | break;
|
960 | 27503323 | bellard | |
961 | 27503323 | bellard | default:
|
962 | 85571bc7 | bellard | ldebug ("(nport=%#x, val=%#x)\n", nport, val);
|
963 | 5e2a6443 | bellard | break;
|
964 | 27503323 | bellard | } |
965 | 27503323 | bellard | } |
966 | 27503323 | bellard | |
967 | 27503323 | bellard | static IO_READ_PROTO (dsp_read)
|
968 | 27503323 | bellard | { |
969 | 85571bc7 | bellard | SB16State *s = opaque; |
970 | 85571bc7 | bellard | int iport, retval, ack = 0; |
971 | 27503323 | bellard | |
972 | 85571bc7 | bellard | iport = nport - s->port; |
973 | 27503323 | bellard | |
974 | 27503323 | bellard | switch (iport) {
|
975 | 85571bc7 | bellard | case 0x06: /* reset */ |
976 | 85571bc7 | bellard | retval = 0xff;
|
977 | d75d9f6b | bellard | break;
|
978 | 27503323 | bellard | |
979 | 85571bc7 | bellard | case 0x0a: /* read data */ |
980 | 85571bc7 | bellard | if (s->out_data_len) {
|
981 | 85571bc7 | bellard | retval = s->out_data[--s->out_data_len]; |
982 | 85571bc7 | bellard | s->last_read_byte = retval; |
983 | 85571bc7 | bellard | } |
984 | 85571bc7 | bellard | else {
|
985 | 1d14ffa9 | bellard | if (s->cmd != -1) { |
986 | 1d14ffa9 | bellard | dolog ("empty output buffer for command %#x\n",
|
987 | 1d14ffa9 | bellard | s->cmd); |
988 | 1d14ffa9 | bellard | } |
989 | 85571bc7 | bellard | retval = s->last_read_byte; |
990 | d75d9f6b | bellard | /* goto error; */
|
991 | 27503323 | bellard | } |
992 | 27503323 | bellard | break;
|
993 | 27503323 | bellard | |
994 | 85571bc7 | bellard | case 0x0c: /* 0 can write */ |
995 | 85571bc7 | bellard | retval = s->can_write ? 0 : 0x80; |
996 | 27503323 | bellard | break;
|
997 | 27503323 | bellard | |
998 | 85571bc7 | bellard | case 0x0d: /* timer interrupt clear */ |
999 | 85571bc7 | bellard | /* dolog ("timer interrupt clear\n"); */
|
1000 | 85571bc7 | bellard | retval = 0;
|
1001 | 85571bc7 | bellard | break;
|
1002 | 27503323 | bellard | |
1003 | 85571bc7 | bellard | case 0x0e: /* data available status | irq 8 ack */ |
1004 | 85571bc7 | bellard | retval = (!s->out_data_len || s->highspeed) ? 0 : 0x80; |
1005 | 85571bc7 | bellard | if (s->mixer_regs[0x82] & 1) { |
1006 | 85571bc7 | bellard | ack = 1;
|
1007 | 85571bc7 | bellard | s->mixer_regs[0x82] &= 1; |
1008 | 85571bc7 | bellard | pic_set_irq (s->irq, 0);
|
1009 | 85571bc7 | bellard | } |
1010 | 27503323 | bellard | break;
|
1011 | 27503323 | bellard | |
1012 | 85571bc7 | bellard | case 0x0f: /* irq 16 ack */ |
1013 | bc0b1dc1 | bellard | retval = 0xff;
|
1014 | 85571bc7 | bellard | if (s->mixer_regs[0x82] & 2) { |
1015 | 85571bc7 | bellard | ack = 1;
|
1016 | 85571bc7 | bellard | s->mixer_regs[0x82] &= 2; |
1017 | 85571bc7 | bellard | pic_set_irq (s->irq, 0);
|
1018 | 85571bc7 | bellard | } |
1019 | 27503323 | bellard | break;
|
1020 | 27503323 | bellard | |
1021 | 27503323 | bellard | default:
|
1022 | 27503323 | bellard | goto error;
|
1023 | 27503323 | bellard | } |
1024 | 27503323 | bellard | |
1025 | 1d14ffa9 | bellard | if (!ack) {
|
1026 | 85571bc7 | bellard | ldebug ("read %#x -> %#x\n", nport, retval);
|
1027 | 1d14ffa9 | bellard | } |
1028 | 27503323 | bellard | |
1029 | 27503323 | bellard | return retval;
|
1030 | 27503323 | bellard | |
1031 | 27503323 | bellard | error:
|
1032 | 1d14ffa9 | bellard | dolog ("warning: dsp_read %#x error\n", nport);
|
1033 | d75d9f6b | bellard | return 0xff; |
1034 | 27503323 | bellard | } |
1035 | 27503323 | bellard | |
1036 | 85571bc7 | bellard | static void reset_mixer (SB16State *s) |
1037 | 85571bc7 | bellard | { |
1038 | 85571bc7 | bellard | int i;
|
1039 | 85571bc7 | bellard | |
1040 | 85571bc7 | bellard | memset (s->mixer_regs, 0xff, 0x7f); |
1041 | 85571bc7 | bellard | memset (s->mixer_regs + 0x83, 0xff, sizeof (s->mixer_regs) - 0x83); |
1042 | 85571bc7 | bellard | |
1043 | 85571bc7 | bellard | s->mixer_regs[0x02] = 4; /* master volume 3bits */ |
1044 | 85571bc7 | bellard | s->mixer_regs[0x06] = 4; /* MIDI volume 3bits */ |
1045 | 85571bc7 | bellard | s->mixer_regs[0x08] = 0; /* CD volume 3bits */ |
1046 | 85571bc7 | bellard | s->mixer_regs[0x0a] = 0; /* voice volume 2bits */ |
1047 | 85571bc7 | bellard | |
1048 | 85571bc7 | bellard | /* d5=input filt, d3=lowpass filt, d1,d2=input source */
|
1049 | 85571bc7 | bellard | s->mixer_regs[0x0c] = 0; |
1050 | 85571bc7 | bellard | |
1051 | 85571bc7 | bellard | /* d5=output filt, d1=stereo switch */
|
1052 | 85571bc7 | bellard | s->mixer_regs[0x0e] = 0; |
1053 | 85571bc7 | bellard | |
1054 | 85571bc7 | bellard | /* voice volume L d5,d7, R d1,d3 */
|
1055 | 85571bc7 | bellard | s->mixer_regs[0x04] = (4 << 5) | (4 << 1); |
1056 | 85571bc7 | bellard | /* master ... */
|
1057 | 85571bc7 | bellard | s->mixer_regs[0x22] = (4 << 5) | (4 << 1); |
1058 | 85571bc7 | bellard | /* MIDI ... */
|
1059 | 85571bc7 | bellard | s->mixer_regs[0x26] = (4 << 5) | (4 << 1); |
1060 | 85571bc7 | bellard | |
1061 | 85571bc7 | bellard | for (i = 0x30; i < 0x48; i++) { |
1062 | 85571bc7 | bellard | s->mixer_regs[i] = 0x20;
|
1063 | 85571bc7 | bellard | } |
1064 | 85571bc7 | bellard | } |
1065 | 85571bc7 | bellard | |
1066 | 27503323 | bellard | static IO_WRITE_PROTO(mixer_write_indexb)
|
1067 | 27503323 | bellard | { |
1068 | 85571bc7 | bellard | SB16State *s = opaque; |
1069 | c0fe3827 | bellard | (void) nport;
|
1070 | 85571bc7 | bellard | s->mixer_nreg = val; |
1071 | 27503323 | bellard | } |
1072 | 27503323 | bellard | |
1073 | 27503323 | bellard | static IO_WRITE_PROTO(mixer_write_datab)
|
1074 | 27503323 | bellard | { |
1075 | 85571bc7 | bellard | SB16State *s = opaque; |
1076 | 85571bc7 | bellard | |
1077 | c0fe3827 | bellard | (void) nport;
|
1078 | 85571bc7 | bellard | ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val);
|
1079 | 202a456a | bellard | |
1080 | 85571bc7 | bellard | switch (s->mixer_nreg) {
|
1081 | d75d9f6b | bellard | case 0x00: |
1082 | 85571bc7 | bellard | reset_mixer (s); |
1083 | d75d9f6b | bellard | break;
|
1084 | d75d9f6b | bellard | |
1085 | d75d9f6b | bellard | case 0x80: |
1086 | 85571bc7 | bellard | { |
1087 | 85571bc7 | bellard | int irq = irq_of_magic (val);
|
1088 | 85571bc7 | bellard | ldebug ("setting irq to %d (val=%#x)\n", irq, val);
|
1089 | 1d14ffa9 | bellard | if (irq > 0) { |
1090 | 85571bc7 | bellard | s->irq = irq; |
1091 | 1d14ffa9 | bellard | } |
1092 | 85571bc7 | bellard | } |
1093 | d75d9f6b | bellard | break;
|
1094 | 27503323 | bellard | |
1095 | 85571bc7 | bellard | case 0x81: |
1096 | 85571bc7 | bellard | { |
1097 | 85571bc7 | bellard | int dma, hdma;
|
1098 | d75d9f6b | bellard | |
1099 | 85571bc7 | bellard | dma = lsbindex (val & 0xf);
|
1100 | 85571bc7 | bellard | hdma = lsbindex (val & 0xf0);
|
1101 | 1d14ffa9 | bellard | if (dma != s->dma || hdma != s->hdma) {
|
1102 | 1d14ffa9 | bellard | dolog ( |
1103 | 1d14ffa9 | bellard | "attempt to change DMA "
|
1104 | 1d14ffa9 | bellard | "8bit %d(%d), 16bit %d(%d) (val=%#x)\n",
|
1105 | 1d14ffa9 | bellard | dma, s->dma, hdma, s->hdma, val); |
1106 | 1d14ffa9 | bellard | } |
1107 | 85571bc7 | bellard | #if 0
|
1108 | 85571bc7 | bellard | s->dma = dma;
|
1109 | 85571bc7 | bellard | s->hdma = hdma;
|
1110 | 85571bc7 | bellard | #endif
|
1111 | 85571bc7 | bellard | } |
1112 | 85571bc7 | bellard | break;
|
1113 | d75d9f6b | bellard | |
1114 | 85571bc7 | bellard | case 0x82: |
1115 | 85571bc7 | bellard | dolog ("attempt to write into IRQ status register (val=%#x)\n",
|
1116 | 85571bc7 | bellard | val); |
1117 | 85571bc7 | bellard | return;
|
1118 | d75d9f6b | bellard | |
1119 | 85571bc7 | bellard | default:
|
1120 | 1d14ffa9 | bellard | if (s->mixer_nreg >= 0x80) { |
1121 | 1d14ffa9 | bellard | ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val);
|
1122 | 1d14ffa9 | bellard | } |
1123 | 85571bc7 | bellard | break;
|
1124 | 85571bc7 | bellard | } |
1125 | 85571bc7 | bellard | |
1126 | 85571bc7 | bellard | s->mixer_regs[s->mixer_nreg] = val; |
1127 | d75d9f6b | bellard | } |
1128 | d75d9f6b | bellard | |
1129 | 27503323 | bellard | static IO_WRITE_PROTO(mixer_write_indexw)
|
1130 | 27503323 | bellard | { |
1131 | 7d977de7 | bellard | mixer_write_indexb (opaque, nport, val & 0xff);
|
1132 | 7d977de7 | bellard | mixer_write_datab (opaque, nport, (val >> 8) & 0xff); |
1133 | 27503323 | bellard | } |
1134 | 27503323 | bellard | |
1135 | 27503323 | bellard | static IO_READ_PROTO(mixer_read)
|
1136 | 27503323 | bellard | { |
1137 | 85571bc7 | bellard | SB16State *s = opaque; |
1138 | c0fe3827 | bellard | |
1139 | c0fe3827 | bellard | (void) nport;
|
1140 | 15b61470 | bellard | #ifndef DEBUG_SB16_MOST
|
1141 | 1d14ffa9 | bellard | if (s->mixer_nreg != 0x82) { |
1142 | 1d14ffa9 | bellard | ldebug ("mixer_read[%#x] -> %#x\n",
|
1143 | 1d14ffa9 | bellard | s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1144 | 1d14ffa9 | bellard | } |
1145 | 1d14ffa9 | bellard | #else
|
1146 | 85571bc7 | bellard | ldebug ("mixer_read[%#x] -> %#x\n",
|
1147 | 85571bc7 | bellard | s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1148 | 1d14ffa9 | bellard | #endif
|
1149 | 85571bc7 | bellard | return s->mixer_regs[s->mixer_nreg];
|
1150 | 27503323 | bellard | } |
1151 | 27503323 | bellard | |
1152 | 85571bc7 | bellard | static int write_audio (SB16State *s, int nchan, int dma_pos, |
1153 | 85571bc7 | bellard | int dma_len, int len) |
1154 | 27503323 | bellard | { |
1155 | 27503323 | bellard | int temp, net;
|
1156 | f9e92e97 | bellard | uint8_t tmpbuf[4096];
|
1157 | 27503323 | bellard | |
1158 | 85571bc7 | bellard | temp = len; |
1159 | 27503323 | bellard | net = 0;
|
1160 | 27503323 | bellard | |
1161 | 27503323 | bellard | while (temp) {
|
1162 | 85571bc7 | bellard | int left = dma_len - dma_pos;
|
1163 | c0fe3827 | bellard | int copied;
|
1164 | c0fe3827 | bellard | size_t to_copy; |
1165 | 27503323 | bellard | |
1166 | 85571bc7 | bellard | to_copy = audio_MIN (temp, left); |
1167 | c0fe3827 | bellard | if (to_copy > sizeof (tmpbuf)) { |
1168 | c0fe3827 | bellard | to_copy = sizeof (tmpbuf);
|
1169 | 1d14ffa9 | bellard | } |
1170 | 27503323 | bellard | |
1171 | 85571bc7 | bellard | copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy); |
1172 | 85571bc7 | bellard | copied = AUD_write (s->voice, tmpbuf, copied); |
1173 | 27503323 | bellard | |
1174 | 85571bc7 | bellard | temp -= copied; |
1175 | 85571bc7 | bellard | dma_pos = (dma_pos + copied) % dma_len; |
1176 | 27503323 | bellard | net += copied; |
1177 | 27503323 | bellard | |
1178 | 1d14ffa9 | bellard | if (!copied) {
|
1179 | 85571bc7 | bellard | break;
|
1180 | 1d14ffa9 | bellard | } |
1181 | 27503323 | bellard | } |
1182 | 27503323 | bellard | |
1183 | 27503323 | bellard | return net;
|
1184 | 27503323 | bellard | } |
1185 | 27503323 | bellard | |
1186 | 85571bc7 | bellard | static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) |
1187 | 27503323 | bellard | { |
1188 | 85571bc7 | bellard | SB16State *s = opaque; |
1189 | 1d14ffa9 | bellard | int till, copy, written, free;
|
1190 | 27503323 | bellard | |
1191 | 85571bc7 | bellard | if (s->left_till_irq < 0) { |
1192 | 85571bc7 | bellard | s->left_till_irq = s->block_size; |
1193 | 27503323 | bellard | } |
1194 | 27503323 | bellard | |
1195 | 1d14ffa9 | bellard | if (s->voice) {
|
1196 | 1d14ffa9 | bellard | free = s->audio_free & ~s->align; |
1197 | 1d14ffa9 | bellard | if ((free <= 0) || !dma_len) { |
1198 | 1d14ffa9 | bellard | return dma_pos;
|
1199 | 1d14ffa9 | bellard | } |
1200 | 1d14ffa9 | bellard | } |
1201 | 1d14ffa9 | bellard | else {
|
1202 | 1d14ffa9 | bellard | free = dma_len; |
1203 | 27503323 | bellard | } |
1204 | 27503323 | bellard | |
1205 | 85571bc7 | bellard | copy = free; |
1206 | 85571bc7 | bellard | till = s->left_till_irq; |
1207 | 27503323 | bellard | |
1208 | d75d9f6b | bellard | #ifdef DEBUG_SB16_MOST
|
1209 | 1d14ffa9 | bellard | dolog ("pos:%06d %d till:%d len:%d\n",
|
1210 | 1d14ffa9 | bellard | dma_pos, free, till, dma_len); |
1211 | d75d9f6b | bellard | #endif
|
1212 | d75d9f6b | bellard | |
1213 | 27503323 | bellard | if (till <= copy) {
|
1214 | 85571bc7 | bellard | if (0 == s->dma_auto) { |
1215 | 27503323 | bellard | copy = till; |
1216 | 27503323 | bellard | } |
1217 | 27503323 | bellard | } |
1218 | 27503323 | bellard | |
1219 | 85571bc7 | bellard | written = write_audio (s, nchan, dma_pos, dma_len, copy); |
1220 | 85571bc7 | bellard | dma_pos = (dma_pos + written) % dma_len; |
1221 | 85571bc7 | bellard | s->left_till_irq -= written; |
1222 | 27503323 | bellard | |
1223 | 85571bc7 | bellard | if (s->left_till_irq <= 0) { |
1224 | 85571bc7 | bellard | s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1; |
1225 | 85571bc7 | bellard | pic_set_irq (s->irq, 1);
|
1226 | 85571bc7 | bellard | if (0 == s->dma_auto) { |
1227 | 85571bc7 | bellard | control (s, 0);
|
1228 | 85571bc7 | bellard | speaker (s, 0);
|
1229 | 27503323 | bellard | } |
1230 | 27503323 | bellard | } |
1231 | 27503323 | bellard | |
1232 | d75d9f6b | bellard | #ifdef DEBUG_SB16_MOST
|
1233 | 15b61470 | bellard | ldebug ("pos %5d free %5d size %5d till % 5d copy %5d written %5d size %5d\n",
|
1234 | 15b61470 | bellard | dma_pos, free, dma_len, s->left_till_irq, copy, written, |
1235 | 15b61470 | bellard | s->block_size); |
1236 | d75d9f6b | bellard | #endif
|
1237 | 27503323 | bellard | |
1238 | 85571bc7 | bellard | while (s->left_till_irq <= 0) { |
1239 | 85571bc7 | bellard | s->left_till_irq = s->block_size + s->left_till_irq; |
1240 | 27503323 | bellard | } |
1241 | 27503323 | bellard | |
1242 | 85571bc7 | bellard | return dma_pos;
|
1243 | 27503323 | bellard | } |
1244 | 27503323 | bellard | |
1245 | 1d14ffa9 | bellard | static void SB_audio_callback (void *opaque, int free) |
1246 | 27503323 | bellard | { |
1247 | 85571bc7 | bellard | SB16State *s = opaque; |
1248 | 1d14ffa9 | bellard | s->audio_free = free; |
1249 | 27503323 | bellard | } |
1250 | 27503323 | bellard | |
1251 | 85571bc7 | bellard | static void SB_save (QEMUFile *f, void *opaque) |
1252 | d75d9f6b | bellard | { |
1253 | 85571bc7 | bellard | SB16State *s = opaque; |
1254 | 85571bc7 | bellard | |
1255 | 85571bc7 | bellard | qemu_put_be32s (f, &s->irq); |
1256 | 85571bc7 | bellard | qemu_put_be32s (f, &s->dma); |
1257 | 85571bc7 | bellard | qemu_put_be32s (f, &s->hdma); |
1258 | 85571bc7 | bellard | qemu_put_be32s (f, &s->port); |
1259 | 85571bc7 | bellard | qemu_put_be32s (f, &s->ver); |
1260 | 85571bc7 | bellard | qemu_put_be32s (f, &s->in_index); |
1261 | 85571bc7 | bellard | qemu_put_be32s (f, &s->out_data_len); |
1262 | 85571bc7 | bellard | qemu_put_be32s (f, &s->fmt_stereo); |
1263 | 85571bc7 | bellard | qemu_put_be32s (f, &s->fmt_signed); |
1264 | 85571bc7 | bellard | qemu_put_be32s (f, &s->fmt_bits); |
1265 | 85571bc7 | bellard | qemu_put_be32s (f, &s->fmt); |
1266 | 85571bc7 | bellard | qemu_put_be32s (f, &s->dma_auto); |
1267 | 85571bc7 | bellard | qemu_put_be32s (f, &s->block_size); |
1268 | 85571bc7 | bellard | qemu_put_be32s (f, &s->fifo); |
1269 | 85571bc7 | bellard | qemu_put_be32s (f, &s->freq); |
1270 | 85571bc7 | bellard | qemu_put_be32s (f, &s->time_const); |
1271 | 85571bc7 | bellard | qemu_put_be32s (f, &s->speaker); |
1272 | 85571bc7 | bellard | qemu_put_be32s (f, &s->needed_bytes); |
1273 | 85571bc7 | bellard | qemu_put_be32s (f, &s->cmd); |
1274 | 85571bc7 | bellard | qemu_put_be32s (f, &s->use_hdma); |
1275 | 85571bc7 | bellard | qemu_put_be32s (f, &s->highspeed); |
1276 | 85571bc7 | bellard | qemu_put_be32s (f, &s->can_write); |
1277 | 85571bc7 | bellard | qemu_put_be32s (f, &s->v2x6); |
1278 | 85571bc7 | bellard | |
1279 | 85571bc7 | bellard | qemu_put_8s (f, &s->csp_param); |
1280 | 85571bc7 | bellard | qemu_put_8s (f, &s->csp_value); |
1281 | 85571bc7 | bellard | qemu_put_8s (f, &s->csp_mode); |
1282 | 85571bc7 | bellard | qemu_put_8s (f, &s->csp_param); |
1283 | 85571bc7 | bellard | qemu_put_buffer (f, s->csp_regs, 256);
|
1284 | 85571bc7 | bellard | qemu_put_8s (f, &s->csp_index); |
1285 | 85571bc7 | bellard | qemu_put_buffer (f, s->csp_reg83, 4);
|
1286 | 85571bc7 | bellard | qemu_put_be32s (f, &s->csp_reg83r); |
1287 | 85571bc7 | bellard | qemu_put_be32s (f, &s->csp_reg83w); |
1288 | 85571bc7 | bellard | |
1289 | 85571bc7 | bellard | qemu_put_buffer (f, s->in2_data, sizeof (s->in2_data));
|
1290 | 85571bc7 | bellard | qemu_put_buffer (f, s->out_data, sizeof (s->out_data));
|
1291 | 85571bc7 | bellard | qemu_put_8s (f, &s->test_reg); |
1292 | 85571bc7 | bellard | qemu_put_8s (f, &s->last_read_byte); |
1293 | 85571bc7 | bellard | |
1294 | 85571bc7 | bellard | qemu_put_be32s (f, &s->nzero); |
1295 | 85571bc7 | bellard | qemu_put_be32s (f, &s->left_till_irq); |
1296 | 85571bc7 | bellard | qemu_put_be32s (f, &s->dma_running); |
1297 | 85571bc7 | bellard | qemu_put_be32s (f, &s->bytes_per_second); |
1298 | 85571bc7 | bellard | qemu_put_be32s (f, &s->align); |
1299 | 85571bc7 | bellard | |
1300 | 85571bc7 | bellard | qemu_put_be32s (f, &s->mixer_nreg); |
1301 | 85571bc7 | bellard | qemu_put_buffer (f, s->mixer_regs, 256);
|
1302 | d75d9f6b | bellard | } |
1303 | d75d9f6b | bellard | |
1304 | 85571bc7 | bellard | static int SB_load (QEMUFile *f, void *opaque, int version_id) |
1305 | d75d9f6b | bellard | { |
1306 | 85571bc7 | bellard | SB16State *s = opaque; |
1307 | 85571bc7 | bellard | |
1308 | 1d14ffa9 | bellard | if (version_id != 1) { |
1309 | 85571bc7 | bellard | return -EINVAL;
|
1310 | 1d14ffa9 | bellard | } |
1311 | 85571bc7 | bellard | |
1312 | 85571bc7 | bellard | qemu_get_be32s (f, &s->irq); |
1313 | 85571bc7 | bellard | qemu_get_be32s (f, &s->dma); |
1314 | 85571bc7 | bellard | qemu_get_be32s (f, &s->hdma); |
1315 | 85571bc7 | bellard | qemu_get_be32s (f, &s->port); |
1316 | 85571bc7 | bellard | qemu_get_be32s (f, &s->ver); |
1317 | 85571bc7 | bellard | qemu_get_be32s (f, &s->in_index); |
1318 | 85571bc7 | bellard | qemu_get_be32s (f, &s->out_data_len); |
1319 | 85571bc7 | bellard | qemu_get_be32s (f, &s->fmt_stereo); |
1320 | 85571bc7 | bellard | qemu_get_be32s (f, &s->fmt_signed); |
1321 | 85571bc7 | bellard | qemu_get_be32s (f, &s->fmt_bits); |
1322 | 85571bc7 | bellard | qemu_get_be32s (f, &s->fmt); |
1323 | 85571bc7 | bellard | qemu_get_be32s (f, &s->dma_auto); |
1324 | 85571bc7 | bellard | qemu_get_be32s (f, &s->block_size); |
1325 | 85571bc7 | bellard | qemu_get_be32s (f, &s->fifo); |
1326 | 85571bc7 | bellard | qemu_get_be32s (f, &s->freq); |
1327 | 85571bc7 | bellard | qemu_get_be32s (f, &s->time_const); |
1328 | 85571bc7 | bellard | qemu_get_be32s (f, &s->speaker); |
1329 | 85571bc7 | bellard | qemu_get_be32s (f, &s->needed_bytes); |
1330 | 85571bc7 | bellard | qemu_get_be32s (f, &s->cmd); |
1331 | 85571bc7 | bellard | qemu_get_be32s (f, &s->use_hdma); |
1332 | 85571bc7 | bellard | qemu_get_be32s (f, &s->highspeed); |
1333 | 85571bc7 | bellard | qemu_get_be32s (f, &s->can_write); |
1334 | 85571bc7 | bellard | qemu_get_be32s (f, &s->v2x6); |
1335 | 85571bc7 | bellard | |
1336 | 85571bc7 | bellard | qemu_get_8s (f, &s->csp_param); |
1337 | 85571bc7 | bellard | qemu_get_8s (f, &s->csp_value); |
1338 | 85571bc7 | bellard | qemu_get_8s (f, &s->csp_mode); |
1339 | 85571bc7 | bellard | qemu_get_8s (f, &s->csp_param); |
1340 | 85571bc7 | bellard | qemu_get_buffer (f, s->csp_regs, 256);
|
1341 | 85571bc7 | bellard | qemu_get_8s (f, &s->csp_index); |
1342 | 85571bc7 | bellard | qemu_get_buffer (f, s->csp_reg83, 4);
|
1343 | 85571bc7 | bellard | qemu_get_be32s (f, &s->csp_reg83r); |
1344 | 85571bc7 | bellard | qemu_get_be32s (f, &s->csp_reg83w); |
1345 | 85571bc7 | bellard | |
1346 | 85571bc7 | bellard | qemu_get_buffer (f, s->in2_data, sizeof (s->in2_data));
|
1347 | 85571bc7 | bellard | qemu_get_buffer (f, s->out_data, sizeof (s->out_data));
|
1348 | 85571bc7 | bellard | qemu_get_8s (f, &s->test_reg); |
1349 | 85571bc7 | bellard | qemu_get_8s (f, &s->last_read_byte); |
1350 | 85571bc7 | bellard | |
1351 | 85571bc7 | bellard | qemu_get_be32s (f, &s->nzero); |
1352 | 85571bc7 | bellard | qemu_get_be32s (f, &s->left_till_irq); |
1353 | 85571bc7 | bellard | qemu_get_be32s (f, &s->dma_running); |
1354 | 85571bc7 | bellard | qemu_get_be32s (f, &s->bytes_per_second); |
1355 | 85571bc7 | bellard | qemu_get_be32s (f, &s->align); |
1356 | 85571bc7 | bellard | |
1357 | 85571bc7 | bellard | qemu_get_be32s (f, &s->mixer_nreg); |
1358 | 85571bc7 | bellard | qemu_get_buffer (f, s->mixer_regs, 256);
|
1359 | 85571bc7 | bellard | |
1360 | fb065187 | bellard | if (s->voice) {
|
1361 | c0fe3827 | bellard | AUD_close_out (&s->card, s->voice); |
1362 | fb065187 | bellard | s->voice = NULL;
|
1363 | fb065187 | bellard | } |
1364 | 85571bc7 | bellard | |
1365 | 85571bc7 | bellard | if (s->dma_running) {
|
1366 | 1d14ffa9 | bellard | if (s->freq) {
|
1367 | c0fe3827 | bellard | audsettings_t as; |
1368 | c0fe3827 | bellard | |
1369 | 1d14ffa9 | bellard | s->audio_free = 0;
|
1370 | c0fe3827 | bellard | |
1371 | c0fe3827 | bellard | as.freq = s->freq; |
1372 | c0fe3827 | bellard | as.nchannels = 1 << s->fmt_stereo;
|
1373 | c0fe3827 | bellard | as.fmt = s->fmt; |
1374 | d929eba5 | bellard | as.endianness = 0;
|
1375 | c0fe3827 | bellard | |
1376 | 1d14ffa9 | bellard | s->voice = AUD_open_out ( |
1377 | c0fe3827 | bellard | &s->card, |
1378 | 1d14ffa9 | bellard | s->voice, |
1379 | 1d14ffa9 | bellard | "sb16",
|
1380 | 1d14ffa9 | bellard | s, |
1381 | 1d14ffa9 | bellard | SB_audio_callback, |
1382 | d929eba5 | bellard | &as |
1383 | 1d14ffa9 | bellard | ); |
1384 | 1d14ffa9 | bellard | } |
1385 | 85571bc7 | bellard | |
1386 | 85571bc7 | bellard | control (s, 1);
|
1387 | 85571bc7 | bellard | speaker (s, s->speaker); |
1388 | d75d9f6b | bellard | } |
1389 | 85571bc7 | bellard | return 0; |
1390 | d75d9f6b | bellard | } |
1391 | d75d9f6b | bellard | |
1392 | c0fe3827 | bellard | int SB16_init (AudioState *audio)
|
1393 | 27503323 | bellard | { |
1394 | c0fe3827 | bellard | SB16State *s; |
1395 | 27503323 | bellard | int i;
|
1396 | 27503323 | bellard | static const uint8_t dsp_write_ports[] = {0x6, 0xc}; |
1397 | 27503323 | bellard | static const uint8_t dsp_read_ports[] = {0x6, 0xa, 0xc, 0xd, 0xe, 0xf}; |
1398 | 27503323 | bellard | |
1399 | c0fe3827 | bellard | if (!audio) {
|
1400 | c0fe3827 | bellard | dolog ("No audio state\n");
|
1401 | c0fe3827 | bellard | return -1; |
1402 | c0fe3827 | bellard | } |
1403 | c0fe3827 | bellard | |
1404 | c0fe3827 | bellard | s = qemu_mallocz (sizeof (*s));
|
1405 | c0fe3827 | bellard | if (!s) {
|
1406 | a0d01ed9 | bellard | dolog ("Could not allocate memory for SB16 (%zu bytes)\n",
|
1407 | c0fe3827 | bellard | sizeof (*s));
|
1408 | c0fe3827 | bellard | return -1; |
1409 | c0fe3827 | bellard | } |
1410 | c0fe3827 | bellard | |
1411 | 1d14ffa9 | bellard | s->cmd = -1;
|
1412 | 85571bc7 | bellard | s->irq = conf.irq; |
1413 | 85571bc7 | bellard | s->dma = conf.dma; |
1414 | 85571bc7 | bellard | s->hdma = conf.hdma; |
1415 | 85571bc7 | bellard | s->port = conf.port; |
1416 | 85571bc7 | bellard | s->ver = conf.ver_lo | (conf.ver_hi << 8);
|
1417 | 202a456a | bellard | |
1418 | 85571bc7 | bellard | s->mixer_regs[0x80] = magic_of_irq (s->irq);
|
1419 | 85571bc7 | bellard | s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma); |
1420 | 85571bc7 | bellard | s->mixer_regs[0x82] = 2 << 5; |
1421 | 85571bc7 | bellard | |
1422 | 85571bc7 | bellard | s->csp_regs[5] = 1; |
1423 | 85571bc7 | bellard | s->csp_regs[9] = 0xf8; |
1424 | 85571bc7 | bellard | |
1425 | 85571bc7 | bellard | reset_mixer (s); |
1426 | 85571bc7 | bellard | s->aux_ts = qemu_new_timer (vm_clock, aux_timer, s); |
1427 | 1d14ffa9 | bellard | if (!s->aux_ts) {
|
1428 | c0fe3827 | bellard | dolog ("warning: Could not create auxiliary timer\n");
|
1429 | 1d14ffa9 | bellard | } |
1430 | 27503323 | bellard | |
1431 | 27503323 | bellard | for (i = 0; i < LENOFA (dsp_write_ports); i++) { |
1432 | 85571bc7 | bellard | register_ioport_write (s->port + dsp_write_ports[i], 1, 1, dsp_write, s); |
1433 | 27503323 | bellard | } |
1434 | 27503323 | bellard | |
1435 | 27503323 | bellard | for (i = 0; i < LENOFA (dsp_read_ports); i++) { |
1436 | 85571bc7 | bellard | register_ioport_read (s->port + dsp_read_ports[i], 1, 1, dsp_read, s); |
1437 | 27503323 | bellard | } |
1438 | 27503323 | bellard | |
1439 | 85571bc7 | bellard | register_ioport_write (s->port + 0x4, 1, 1, mixer_write_indexb, s); |
1440 | 85571bc7 | bellard | register_ioport_write (s->port + 0x4, 1, 2, mixer_write_indexw, s); |
1441 | 85571bc7 | bellard | register_ioport_read (s->port + 0x5, 1, 1, mixer_read, s); |
1442 | 85571bc7 | bellard | register_ioport_write (s->port + 0x5, 1, 1, mixer_write_datab, s); |
1443 | 27503323 | bellard | |
1444 | 85571bc7 | bellard | DMA_register_channel (s->hdma, SB_read_DMA, s); |
1445 | 85571bc7 | bellard | DMA_register_channel (s->dma, SB_read_DMA, s); |
1446 | 85571bc7 | bellard | s->can_write = 1;
|
1447 | d75d9f6b | bellard | |
1448 | 85571bc7 | bellard | register_savevm ("sb16", 0, 1, SB_save, SB_load, s); |
1449 | c0fe3827 | bellard | AUD_register_card (audio, "sb16", &s->card);
|
1450 | c0fe3827 | bellard | return 0; |
1451 | 27503323 | bellard | } |