root / hw / audio / sb16.c @ 36cd6f6f
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/*
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* QEMU Soundblaster 16 emulation
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*
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* Copyright (c) 2003-2005 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw/hw.h" |
25 |
#include "hw/audio/audio.h" |
26 |
#include "audio/audio.h" |
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#include "hw/isa/isa.h" |
28 |
#include "hw/qdev.h" |
29 |
#include "qemu/timer.h" |
30 |
#include "qemu/host-utils.h" |
31 |
|
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#define dolog(...) AUD_log ("sb16", __VA_ARGS__) |
33 |
|
34 |
/* #define DEBUG */
|
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/* #define DEBUG_SB16_MOST */
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|
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#ifdef DEBUG
|
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#define ldebug(...) dolog (__VA_ARGS__)
|
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#else
|
40 |
#define ldebug(...)
|
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#endif
|
42 |
|
43 |
#define IO_READ_PROTO(name) \
|
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uint32_t name (void *opaque, uint32_t nport)
|
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#define IO_WRITE_PROTO(name) \
|
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void name (void *opaque, uint32_t nport, uint32_t val) |
47 |
|
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static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992."; |
49 |
|
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#define TYPE_SB16 "sb16" |
51 |
#define SB16(obj) OBJECT_CHECK (SB16State, (obj), TYPE_SB16)
|
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|
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typedef struct SB16State { |
54 |
ISADevice parent_obj; |
55 |
|
56 |
QEMUSoundCard card; |
57 |
qemu_irq pic; |
58 |
uint32_t irq; |
59 |
uint32_t dma; |
60 |
uint32_t hdma; |
61 |
uint32_t port; |
62 |
uint32_t ver; |
63 |
|
64 |
int in_index;
|
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int out_data_len;
|
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int fmt_stereo;
|
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int fmt_signed;
|
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int fmt_bits;
|
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audfmt_e fmt; |
70 |
int dma_auto;
|
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int block_size;
|
72 |
int fifo;
|
73 |
int freq;
|
74 |
int time_const;
|
75 |
int speaker;
|
76 |
int needed_bytes;
|
77 |
int cmd;
|
78 |
int use_hdma;
|
79 |
int highspeed;
|
80 |
int can_write;
|
81 |
|
82 |
int v2x6;
|
83 |
|
84 |
uint8_t csp_param; |
85 |
uint8_t csp_value; |
86 |
uint8_t csp_mode; |
87 |
uint8_t csp_regs[256];
|
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uint8_t csp_index; |
89 |
uint8_t csp_reg83[4];
|
90 |
int csp_reg83r;
|
91 |
int csp_reg83w;
|
92 |
|
93 |
uint8_t in2_data[10];
|
94 |
uint8_t out_data[50];
|
95 |
uint8_t test_reg; |
96 |
uint8_t last_read_byte; |
97 |
int nzero;
|
98 |
|
99 |
int left_till_irq;
|
100 |
|
101 |
int dma_running;
|
102 |
int bytes_per_second;
|
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int align;
|
104 |
int audio_free;
|
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SWVoiceOut *voice; |
106 |
|
107 |
QEMUTimer *aux_ts; |
108 |
/* mixer state */
|
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int mixer_nreg;
|
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uint8_t mixer_regs[256];
|
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} SB16State; |
112 |
|
113 |
static void SB_audio_callback (void *opaque, int free); |
114 |
|
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static int magic_of_irq (int irq) |
116 |
{ |
117 |
switch (irq) {
|
118 |
case 5: |
119 |
return 2; |
120 |
case 7: |
121 |
return 4; |
122 |
case 9: |
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return 1; |
124 |
case 10: |
125 |
return 8; |
126 |
default:
|
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dolog ("bad irq %d\n", irq);
|
128 |
return 2; |
129 |
} |
130 |
} |
131 |
|
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static int irq_of_magic (int magic) |
133 |
{ |
134 |
switch (magic) {
|
135 |
case 1: |
136 |
return 9; |
137 |
case 2: |
138 |
return 5; |
139 |
case 4: |
140 |
return 7; |
141 |
case 8: |
142 |
return 10; |
143 |
default:
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dolog ("bad irq magic %d\n", magic);
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return -1; |
146 |
} |
147 |
} |
148 |
|
149 |
#if 0
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static void log_dsp (SB16State *dsp)
|
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{
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ldebug ("%s:%s:%d:%s:dmasize=%d:freq=%d:const=%d:speaker=%d\n",
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dsp->fmt_stereo ? "Stereo" : "Mono",
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154 |
dsp->fmt_signed ? "Signed" : "Unsigned",
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155 |
dsp->fmt_bits,
|
156 |
dsp->dma_auto ? "Auto" : "Single",
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157 |
dsp->block_size,
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158 |
dsp->freq,
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159 |
dsp->time_const,
|
160 |
dsp->speaker);
|
161 |
}
|
162 |
#endif
|
163 |
|
164 |
static void speaker (SB16State *s, int on) |
165 |
{ |
166 |
s->speaker = on; |
167 |
/* AUD_enable (s->voice, on); */
|
168 |
} |
169 |
|
170 |
static void control (SB16State *s, int hold) |
171 |
{ |
172 |
int dma = s->use_hdma ? s->hdma : s->dma;
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s->dma_running = hold; |
174 |
|
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ldebug ("hold %d high %d dma %d\n", hold, s->use_hdma, dma);
|
176 |
|
177 |
if (hold) {
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DMA_hold_DREQ (dma); |
179 |
AUD_set_active_out (s->voice, 1);
|
180 |
} |
181 |
else {
|
182 |
DMA_release_DREQ (dma); |
183 |
AUD_set_active_out (s->voice, 0);
|
184 |
} |
185 |
} |
186 |
|
187 |
static void aux_timer (void *opaque) |
188 |
{ |
189 |
SB16State *s = opaque; |
190 |
s->can_write = 1;
|
191 |
qemu_irq_raise (s->pic); |
192 |
} |
193 |
|
194 |
#define DMA8_AUTO 1 |
195 |
#define DMA8_HIGH 2 |
196 |
|
197 |
static void continue_dma8 (SB16State *s) |
198 |
{ |
199 |
if (s->freq > 0) { |
200 |
struct audsettings as;
|
201 |
|
202 |
s->audio_free = 0;
|
203 |
|
204 |
as.freq = s->freq; |
205 |
as.nchannels = 1 << s->fmt_stereo;
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206 |
as.fmt = s->fmt; |
207 |
as.endianness = 0;
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208 |
|
209 |
s->voice = AUD_open_out ( |
210 |
&s->card, |
211 |
s->voice, |
212 |
"sb16",
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s, |
214 |
SB_audio_callback, |
215 |
&as |
216 |
); |
217 |
} |
218 |
|
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control (s, 1);
|
220 |
} |
221 |
|
222 |
static void dma_cmd8 (SB16State *s, int mask, int dma_len) |
223 |
{ |
224 |
s->fmt = AUD_FMT_U8; |
225 |
s->use_hdma = 0;
|
226 |
s->fmt_bits = 8;
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227 |
s->fmt_signed = 0;
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228 |
s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0; |
229 |
if (-1 == s->time_const) { |
230 |
if (s->freq <= 0) |
231 |
s->freq = 11025;
|
232 |
} |
233 |
else {
|
234 |
int tmp = (256 - s->time_const); |
235 |
s->freq = (1000000 + (tmp / 2)) / tmp; |
236 |
} |
237 |
|
238 |
if (dma_len != -1) { |
239 |
s->block_size = dma_len << s->fmt_stereo; |
240 |
} |
241 |
else {
|
242 |
/* This is apparently the only way to make both Act1/PL
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243 |
and SecondReality/FC work
|
244 |
|
245 |
Act1 sets block size via command 0x48 and it's an odd number
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246 |
SR does the same with even number
|
247 |
Both use stereo, and Creatives own documentation states that
|
248 |
0x48 sets block size in bytes less one.. go figure */
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s->block_size &= ~s->fmt_stereo; |
250 |
} |
251 |
|
252 |
s->freq >>= s->fmt_stereo; |
253 |
s->left_till_irq = s->block_size; |
254 |
s->bytes_per_second = (s->freq << s->fmt_stereo); |
255 |
/* s->highspeed = (mask & DMA8_HIGH) != 0; */
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256 |
s->dma_auto = (mask & DMA8_AUTO) != 0;
|
257 |
s->align = (1 << s->fmt_stereo) - 1; |
258 |
|
259 |
if (s->block_size & s->align) {
|
260 |
dolog ("warning: misaligned block size %d, alignment %d\n",
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261 |
s->block_size, s->align + 1);
|
262 |
} |
263 |
|
264 |
ldebug ("freq %d, stereo %d, sign %d, bits %d, "
|
265 |
"dma %d, auto %d, fifo %d, high %d\n",
|
266 |
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
267 |
s->block_size, s->dma_auto, s->fifo, s->highspeed); |
268 |
|
269 |
continue_dma8 (s); |
270 |
speaker (s, 1);
|
271 |
} |
272 |
|
273 |
static void dma_cmd (SB16State *s, uint8_t cmd, uint8_t d0, int dma_len) |
274 |
{ |
275 |
s->use_hdma = cmd < 0xc0;
|
276 |
s->fifo = (cmd >> 1) & 1; |
277 |
s->dma_auto = (cmd >> 2) & 1; |
278 |
s->fmt_signed = (d0 >> 4) & 1; |
279 |
s->fmt_stereo = (d0 >> 5) & 1; |
280 |
|
281 |
switch (cmd >> 4) { |
282 |
case 11: |
283 |
s->fmt_bits = 16;
|
284 |
break;
|
285 |
|
286 |
case 12: |
287 |
s->fmt_bits = 8;
|
288 |
break;
|
289 |
} |
290 |
|
291 |
if (-1 != s->time_const) { |
292 |
#if 1 |
293 |
int tmp = 256 - s->time_const; |
294 |
s->freq = (1000000 + (tmp / 2)) / tmp; |
295 |
#else
|
296 |
/* s->freq = 1000000 / ((255 - s->time_const) << s->fmt_stereo); */
|
297 |
s->freq = 1000000 / ((255 - s->time_const)); |
298 |
#endif
|
299 |
s->time_const = -1;
|
300 |
} |
301 |
|
302 |
s->block_size = dma_len + 1;
|
303 |
s->block_size <<= (s->fmt_bits == 16);
|
304 |
if (!s->dma_auto) {
|
305 |
/* It is clear that for DOOM and auto-init this value
|
306 |
shouldn't take stereo into account, while Miles Sound Systems
|
307 |
setsound.exe with single transfer mode wouldn't work without it
|
308 |
wonders of SB16 yet again */
|
309 |
s->block_size <<= s->fmt_stereo; |
310 |
} |
311 |
|
312 |
ldebug ("freq %d, stereo %d, sign %d, bits %d, "
|
313 |
"dma %d, auto %d, fifo %d, high %d\n",
|
314 |
s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, |
315 |
s->block_size, s->dma_auto, s->fifo, s->highspeed); |
316 |
|
317 |
if (16 == s->fmt_bits) { |
318 |
if (s->fmt_signed) {
|
319 |
s->fmt = AUD_FMT_S16; |
320 |
} |
321 |
else {
|
322 |
s->fmt = AUD_FMT_U16; |
323 |
} |
324 |
} |
325 |
else {
|
326 |
if (s->fmt_signed) {
|
327 |
s->fmt = AUD_FMT_S8; |
328 |
} |
329 |
else {
|
330 |
s->fmt = AUD_FMT_U8; |
331 |
} |
332 |
} |
333 |
|
334 |
s->left_till_irq = s->block_size; |
335 |
|
336 |
s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16);
|
337 |
s->highspeed = 0;
|
338 |
s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; |
339 |
if (s->block_size & s->align) {
|
340 |
dolog ("warning: misaligned block size %d, alignment %d\n",
|
341 |
s->block_size, s->align + 1);
|
342 |
} |
343 |
|
344 |
if (s->freq) {
|
345 |
struct audsettings as;
|
346 |
|
347 |
s->audio_free = 0;
|
348 |
|
349 |
as.freq = s->freq; |
350 |
as.nchannels = 1 << s->fmt_stereo;
|
351 |
as.fmt = s->fmt; |
352 |
as.endianness = 0;
|
353 |
|
354 |
s->voice = AUD_open_out ( |
355 |
&s->card, |
356 |
s->voice, |
357 |
"sb16",
|
358 |
s, |
359 |
SB_audio_callback, |
360 |
&as |
361 |
); |
362 |
} |
363 |
|
364 |
control (s, 1);
|
365 |
speaker (s, 1);
|
366 |
} |
367 |
|
368 |
static inline void dsp_out_data (SB16State *s, uint8_t val) |
369 |
{ |
370 |
ldebug ("outdata %#x\n", val);
|
371 |
if ((size_t) s->out_data_len < sizeof (s->out_data)) { |
372 |
s->out_data[s->out_data_len++] = val; |
373 |
} |
374 |
} |
375 |
|
376 |
static inline uint8_t dsp_get_data (SB16State *s) |
377 |
{ |
378 |
if (s->in_index) {
|
379 |
return s->in2_data[--s->in_index];
|
380 |
} |
381 |
else {
|
382 |
dolog ("buffer underflow\n");
|
383 |
return 0; |
384 |
} |
385 |
} |
386 |
|
387 |
static void command (SB16State *s, uint8_t cmd) |
388 |
{ |
389 |
ldebug ("command %#x\n", cmd);
|
390 |
|
391 |
if (cmd > 0xaf && cmd < 0xd0) { |
392 |
if (cmd & 8) { |
393 |
dolog ("ADC not yet supported (command %#x)\n", cmd);
|
394 |
} |
395 |
|
396 |
switch (cmd >> 4) { |
397 |
case 11: |
398 |
case 12: |
399 |
break;
|
400 |
default:
|
401 |
dolog ("%#x wrong bits\n", cmd);
|
402 |
} |
403 |
s->needed_bytes = 3;
|
404 |
} |
405 |
else {
|
406 |
s->needed_bytes = 0;
|
407 |
|
408 |
switch (cmd) {
|
409 |
case 0x03: |
410 |
dsp_out_data (s, 0x10); /* s->csp_param); */ |
411 |
goto warn;
|
412 |
|
413 |
case 0x04: |
414 |
s->needed_bytes = 1;
|
415 |
goto warn;
|
416 |
|
417 |
case 0x05: |
418 |
s->needed_bytes = 2;
|
419 |
goto warn;
|
420 |
|
421 |
case 0x08: |
422 |
/* __asm__ ("int3"); */
|
423 |
goto warn;
|
424 |
|
425 |
case 0x0e: |
426 |
s->needed_bytes = 2;
|
427 |
goto warn;
|
428 |
|
429 |
case 0x09: |
430 |
dsp_out_data (s, 0xf8);
|
431 |
goto warn;
|
432 |
|
433 |
case 0x0f: |
434 |
s->needed_bytes = 1;
|
435 |
goto warn;
|
436 |
|
437 |
case 0x10: |
438 |
s->needed_bytes = 1;
|
439 |
goto warn;
|
440 |
|
441 |
case 0x14: |
442 |
s->needed_bytes = 2;
|
443 |
s->block_size = 0;
|
444 |
break;
|
445 |
|
446 |
case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */ |
447 |
dma_cmd8 (s, DMA8_AUTO, -1);
|
448 |
break;
|
449 |
|
450 |
case 0x20: /* Direct ADC, Juice/PL */ |
451 |
dsp_out_data (s, 0xff);
|
452 |
goto warn;
|
453 |
|
454 |
case 0x35: |
455 |
dolog ("0x35 - MIDI command not implemented\n");
|
456 |
break;
|
457 |
|
458 |
case 0x40: |
459 |
s->freq = -1;
|
460 |
s->time_const = -1;
|
461 |
s->needed_bytes = 1;
|
462 |
break;
|
463 |
|
464 |
case 0x41: |
465 |
s->freq = -1;
|
466 |
s->time_const = -1;
|
467 |
s->needed_bytes = 2;
|
468 |
break;
|
469 |
|
470 |
case 0x42: |
471 |
s->freq = -1;
|
472 |
s->time_const = -1;
|
473 |
s->needed_bytes = 2;
|
474 |
goto warn;
|
475 |
|
476 |
case 0x45: |
477 |
dsp_out_data (s, 0xaa);
|
478 |
goto warn;
|
479 |
|
480 |
case 0x47: /* Continue Auto-Initialize DMA 16bit */ |
481 |
break;
|
482 |
|
483 |
case 0x48: |
484 |
s->needed_bytes = 2;
|
485 |
break;
|
486 |
|
487 |
case 0x74: |
488 |
s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */ |
489 |
dolog ("0x75 - DMA DAC, 4-bit ADPCM not implemented\n");
|
490 |
break;
|
491 |
|
492 |
case 0x75: /* DMA DAC, 4-bit ADPCM Reference */ |
493 |
s->needed_bytes = 2;
|
494 |
dolog ("0x74 - DMA DAC, 4-bit ADPCM Reference not implemented\n");
|
495 |
break;
|
496 |
|
497 |
case 0x76: /* DMA DAC, 2.6-bit ADPCM */ |
498 |
s->needed_bytes = 2;
|
499 |
dolog ("0x74 - DMA DAC, 2.6-bit ADPCM not implemented\n");
|
500 |
break;
|
501 |
|
502 |
case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */ |
503 |
s->needed_bytes = 2;
|
504 |
dolog ("0x74 - DMA DAC, 2.6-bit ADPCM Reference not implemented\n");
|
505 |
break;
|
506 |
|
507 |
case 0x7d: |
508 |
dolog ("0x7d - Autio-Initialize DMA DAC, 4-bit ADPCM Reference\n");
|
509 |
dolog ("not implemented\n");
|
510 |
break;
|
511 |
|
512 |
case 0x7f: |
513 |
dolog ( |
514 |
"0x7d - Autio-Initialize DMA DAC, 2.6-bit ADPCM Reference\n"
|
515 |
); |
516 |
dolog ("not implemented\n");
|
517 |
break;
|
518 |
|
519 |
case 0x80: |
520 |
s->needed_bytes = 2;
|
521 |
break;
|
522 |
|
523 |
case 0x90: |
524 |
case 0x91: |
525 |
dma_cmd8 (s, ((cmd & 1) == 0) | DMA8_HIGH, -1); |
526 |
break;
|
527 |
|
528 |
case 0xd0: /* halt DMA operation. 8bit */ |
529 |
control (s, 0);
|
530 |
break;
|
531 |
|
532 |
case 0xd1: /* speaker on */ |
533 |
speaker (s, 1);
|
534 |
break;
|
535 |
|
536 |
case 0xd3: /* speaker off */ |
537 |
speaker (s, 0);
|
538 |
break;
|
539 |
|
540 |
case 0xd4: /* continue DMA operation. 8bit */ |
541 |
/* KQ6 (or maybe Sierras audblst.drv in general) resets
|
542 |
the frequency between halt/continue */
|
543 |
continue_dma8 (s); |
544 |
break;
|
545 |
|
546 |
case 0xd5: /* halt DMA operation. 16bit */ |
547 |
control (s, 0);
|
548 |
break;
|
549 |
|
550 |
case 0xd6: /* continue DMA operation. 16bit */ |
551 |
control (s, 1);
|
552 |
break;
|
553 |
|
554 |
case 0xd9: /* exit auto-init DMA after this block. 16bit */ |
555 |
s->dma_auto = 0;
|
556 |
break;
|
557 |
|
558 |
case 0xda: /* exit auto-init DMA after this block. 8bit */ |
559 |
s->dma_auto = 0;
|
560 |
break;
|
561 |
|
562 |
case 0xe0: /* DSP identification */ |
563 |
s->needed_bytes = 1;
|
564 |
break;
|
565 |
|
566 |
case 0xe1: |
567 |
dsp_out_data (s, s->ver & 0xff);
|
568 |
dsp_out_data (s, s->ver >> 8);
|
569 |
break;
|
570 |
|
571 |
case 0xe2: |
572 |
s->needed_bytes = 1;
|
573 |
goto warn;
|
574 |
|
575 |
case 0xe3: |
576 |
{ |
577 |
int i;
|
578 |
for (i = sizeof (e3) - 1; i >= 0; --i) |
579 |
dsp_out_data (s, e3[i]); |
580 |
} |
581 |
break;
|
582 |
|
583 |
case 0xe4: /* write test reg */ |
584 |
s->needed_bytes = 1;
|
585 |
break;
|
586 |
|
587 |
case 0xe7: |
588 |
dolog ("Attempt to probe for ESS (0xe7)?\n");
|
589 |
break;
|
590 |
|
591 |
case 0xe8: /* read test reg */ |
592 |
dsp_out_data (s, s->test_reg); |
593 |
break;
|
594 |
|
595 |
case 0xf2: |
596 |
case 0xf3: |
597 |
dsp_out_data (s, 0xaa);
|
598 |
s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2; |
599 |
qemu_irq_raise (s->pic); |
600 |
break;
|
601 |
|
602 |
case 0xf9: |
603 |
s->needed_bytes = 1;
|
604 |
goto warn;
|
605 |
|
606 |
case 0xfa: |
607 |
dsp_out_data (s, 0);
|
608 |
goto warn;
|
609 |
|
610 |
case 0xfc: /* FIXME */ |
611 |
dsp_out_data (s, 0);
|
612 |
goto warn;
|
613 |
|
614 |
default:
|
615 |
dolog ("Unrecognized command %#x\n", cmd);
|
616 |
break;
|
617 |
} |
618 |
} |
619 |
|
620 |
if (!s->needed_bytes) {
|
621 |
ldebug ("\n");
|
622 |
} |
623 |
|
624 |
exit:
|
625 |
if (!s->needed_bytes) {
|
626 |
s->cmd = -1;
|
627 |
} |
628 |
else {
|
629 |
s->cmd = cmd; |
630 |
} |
631 |
return;
|
632 |
|
633 |
warn:
|
634 |
dolog ("warning: command %#x,%d is not truly understood yet\n",
|
635 |
cmd, s->needed_bytes); |
636 |
goto exit;
|
637 |
|
638 |
} |
639 |
|
640 |
static uint16_t dsp_get_lohi (SB16State *s)
|
641 |
{ |
642 |
uint8_t hi = dsp_get_data (s); |
643 |
uint8_t lo = dsp_get_data (s); |
644 |
return (hi << 8) | lo; |
645 |
} |
646 |
|
647 |
static uint16_t dsp_get_hilo (SB16State *s)
|
648 |
{ |
649 |
uint8_t lo = dsp_get_data (s); |
650 |
uint8_t hi = dsp_get_data (s); |
651 |
return (hi << 8) | lo; |
652 |
} |
653 |
|
654 |
static void complete (SB16State *s) |
655 |
{ |
656 |
int d0, d1, d2;
|
657 |
ldebug ("complete command %#x, in_index %d, needed_bytes %d\n",
|
658 |
s->cmd, s->in_index, s->needed_bytes); |
659 |
|
660 |
if (s->cmd > 0xaf && s->cmd < 0xd0) { |
661 |
d2 = dsp_get_data (s); |
662 |
d1 = dsp_get_data (s); |
663 |
d0 = dsp_get_data (s); |
664 |
|
665 |
if (s->cmd & 8) { |
666 |
dolog ("ADC params cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
|
667 |
s->cmd, d0, d1, d2); |
668 |
} |
669 |
else {
|
670 |
ldebug ("cmd = %#x d0 = %d, d1 = %d, d2 = %d\n",
|
671 |
s->cmd, d0, d1, d2); |
672 |
dma_cmd (s, s->cmd, d0, d1 + (d2 << 8));
|
673 |
} |
674 |
} |
675 |
else {
|
676 |
switch (s->cmd) {
|
677 |
case 0x04: |
678 |
s->csp_mode = dsp_get_data (s); |
679 |
s->csp_reg83r = 0;
|
680 |
s->csp_reg83w = 0;
|
681 |
ldebug ("CSP command 0x04: mode=%#x\n", s->csp_mode);
|
682 |
break;
|
683 |
|
684 |
case 0x05: |
685 |
s->csp_param = dsp_get_data (s); |
686 |
s->csp_value = dsp_get_data (s); |
687 |
ldebug ("CSP command 0x05: param=%#x value=%#x\n",
|
688 |
s->csp_param, |
689 |
s->csp_value); |
690 |
break;
|
691 |
|
692 |
case 0x0e: |
693 |
d0 = dsp_get_data (s); |
694 |
d1 = dsp_get_data (s); |
695 |
ldebug ("write CSP register %d <- %#x\n", d1, d0);
|
696 |
if (d1 == 0x83) { |
697 |
ldebug ("0x83[%d] <- %#x\n", s->csp_reg83r, d0);
|
698 |
s->csp_reg83[s->csp_reg83r % 4] = d0;
|
699 |
s->csp_reg83r += 1;
|
700 |
} |
701 |
else {
|
702 |
s->csp_regs[d1] = d0; |
703 |
} |
704 |
break;
|
705 |
|
706 |
case 0x0f: |
707 |
d0 = dsp_get_data (s); |
708 |
ldebug ("read CSP register %#x -> %#x, mode=%#x\n",
|
709 |
d0, s->csp_regs[d0], s->csp_mode); |
710 |
if (d0 == 0x83) { |
711 |
ldebug ("0x83[%d] -> %#x\n",
|
712 |
s->csp_reg83w, |
713 |
s->csp_reg83[s->csp_reg83w % 4]);
|
714 |
dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]);
|
715 |
s->csp_reg83w += 1;
|
716 |
} |
717 |
else {
|
718 |
dsp_out_data (s, s->csp_regs[d0]); |
719 |
} |
720 |
break;
|
721 |
|
722 |
case 0x10: |
723 |
d0 = dsp_get_data (s); |
724 |
dolog ("cmd 0x10 d0=%#x\n", d0);
|
725 |
break;
|
726 |
|
727 |
case 0x14: |
728 |
dma_cmd8 (s, 0, dsp_get_lohi (s) + 1); |
729 |
break;
|
730 |
|
731 |
case 0x40: |
732 |
s->time_const = dsp_get_data (s); |
733 |
ldebug ("set time const %d\n", s->time_const);
|
734 |
break;
|
735 |
|
736 |
case 0x42: /* FT2 sets output freq with this, go figure */ |
737 |
#if 0
|
738 |
dolog ("cmd 0x42 might not do what it think it should\n");
|
739 |
#endif
|
740 |
case 0x41: |
741 |
s->freq = dsp_get_hilo (s); |
742 |
ldebug ("set freq %d\n", s->freq);
|
743 |
break;
|
744 |
|
745 |
case 0x48: |
746 |
s->block_size = dsp_get_lohi (s) + 1;
|
747 |
ldebug ("set dma block len %d\n", s->block_size);
|
748 |
break;
|
749 |
|
750 |
case 0x74: |
751 |
case 0x75: |
752 |
case 0x76: |
753 |
case 0x77: |
754 |
/* ADPCM stuff, ignore */
|
755 |
break;
|
756 |
|
757 |
case 0x80: |
758 |
{ |
759 |
int freq, samples, bytes;
|
760 |
int64_t ticks; |
761 |
|
762 |
freq = s->freq > 0 ? s->freq : 11025; |
763 |
samples = dsp_get_lohi (s) + 1;
|
764 |
bytes = samples << s->fmt_stereo << (s->fmt_bits == 16);
|
765 |
ticks = muldiv64 (bytes, get_ticks_per_sec (), freq); |
766 |
if (ticks < get_ticks_per_sec () / 1024) { |
767 |
qemu_irq_raise (s->pic); |
768 |
} |
769 |
else {
|
770 |
if (s->aux_ts) {
|
771 |
qemu_mod_timer ( |
772 |
s->aux_ts, |
773 |
qemu_get_clock_ns (vm_clock) + ticks |
774 |
); |
775 |
} |
776 |
} |
777 |
ldebug ("mix silence %d %d %" PRId64 "\n", samples, bytes, ticks); |
778 |
} |
779 |
break;
|
780 |
|
781 |
case 0xe0: |
782 |
d0 = dsp_get_data (s); |
783 |
s->out_data_len = 0;
|
784 |
ldebug ("E0 data = %#x\n", d0);
|
785 |
dsp_out_data (s, ~d0); |
786 |
break;
|
787 |
|
788 |
case 0xe2: |
789 |
#ifdef DEBUG
|
790 |
d0 = dsp_get_data (s); |
791 |
dolog ("E2 = %#x\n", d0);
|
792 |
#endif
|
793 |
break;
|
794 |
|
795 |
case 0xe4: |
796 |
s->test_reg = dsp_get_data (s); |
797 |
break;
|
798 |
|
799 |
case 0xf9: |
800 |
d0 = dsp_get_data (s); |
801 |
ldebug ("command 0xf9 with %#x\n", d0);
|
802 |
switch (d0) {
|
803 |
case 0x0e: |
804 |
dsp_out_data (s, 0xff);
|
805 |
break;
|
806 |
|
807 |
case 0x0f: |
808 |
dsp_out_data (s, 0x07);
|
809 |
break;
|
810 |
|
811 |
case 0x37: |
812 |
dsp_out_data (s, 0x38);
|
813 |
break;
|
814 |
|
815 |
default:
|
816 |
dsp_out_data (s, 0x00);
|
817 |
break;
|
818 |
} |
819 |
break;
|
820 |
|
821 |
default:
|
822 |
dolog ("complete: unrecognized command %#x\n", s->cmd);
|
823 |
return;
|
824 |
} |
825 |
} |
826 |
|
827 |
ldebug ("\n");
|
828 |
s->cmd = -1;
|
829 |
} |
830 |
|
831 |
static void legacy_reset (SB16State *s) |
832 |
{ |
833 |
struct audsettings as;
|
834 |
|
835 |
s->freq = 11025;
|
836 |
s->fmt_signed = 0;
|
837 |
s->fmt_bits = 8;
|
838 |
s->fmt_stereo = 0;
|
839 |
|
840 |
as.freq = s->freq; |
841 |
as.nchannels = 1;
|
842 |
as.fmt = AUD_FMT_U8; |
843 |
as.endianness = 0;
|
844 |
|
845 |
s->voice = AUD_open_out ( |
846 |
&s->card, |
847 |
s->voice, |
848 |
"sb16",
|
849 |
s, |
850 |
SB_audio_callback, |
851 |
&as |
852 |
); |
853 |
|
854 |
/* Not sure about that... */
|
855 |
/* AUD_set_active_out (s->voice, 1); */
|
856 |
} |
857 |
|
858 |
static void reset (SB16State *s) |
859 |
{ |
860 |
qemu_irq_lower (s->pic); |
861 |
if (s->dma_auto) {
|
862 |
qemu_irq_raise (s->pic); |
863 |
qemu_irq_lower (s->pic); |
864 |
} |
865 |
|
866 |
s->mixer_regs[0x82] = 0; |
867 |
s->dma_auto = 0;
|
868 |
s->in_index = 0;
|
869 |
s->out_data_len = 0;
|
870 |
s->left_till_irq = 0;
|
871 |
s->needed_bytes = 0;
|
872 |
s->block_size = -1;
|
873 |
s->nzero = 0;
|
874 |
s->highspeed = 0;
|
875 |
s->v2x6 = 0;
|
876 |
s->cmd = -1;
|
877 |
|
878 |
dsp_out_data (s, 0xaa);
|
879 |
speaker (s, 0);
|
880 |
control (s, 0);
|
881 |
legacy_reset (s); |
882 |
} |
883 |
|
884 |
static IO_WRITE_PROTO (dsp_write)
|
885 |
{ |
886 |
SB16State *s = opaque; |
887 |
int iport;
|
888 |
|
889 |
iport = nport - s->port; |
890 |
|
891 |
ldebug ("write %#x <- %#x\n", nport, val);
|
892 |
switch (iport) {
|
893 |
case 0x06: |
894 |
switch (val) {
|
895 |
case 0x00: |
896 |
if (s->v2x6 == 1) { |
897 |
reset (s); |
898 |
} |
899 |
s->v2x6 = 0;
|
900 |
break;
|
901 |
|
902 |
case 0x01: |
903 |
case 0x03: /* FreeBSD kludge */ |
904 |
s->v2x6 = 1;
|
905 |
break;
|
906 |
|
907 |
case 0xc6: |
908 |
s->v2x6 = 0; /* Prince of Persia, csp.sys, diagnose.exe */ |
909 |
break;
|
910 |
|
911 |
case 0xb8: /* Panic */ |
912 |
reset (s); |
913 |
break;
|
914 |
|
915 |
case 0x39: |
916 |
dsp_out_data (s, 0x38);
|
917 |
reset (s); |
918 |
s->v2x6 = 0x39;
|
919 |
break;
|
920 |
|
921 |
default:
|
922 |
s->v2x6 = val; |
923 |
break;
|
924 |
} |
925 |
break;
|
926 |
|
927 |
case 0x0c: /* write data or command | write status */ |
928 |
/* if (s->highspeed) */
|
929 |
/* break; */
|
930 |
|
931 |
if (0 == s->needed_bytes) { |
932 |
command (s, val); |
933 |
#if 0
|
934 |
if (0 == s->needed_bytes) {
|
935 |
log_dsp (s);
|
936 |
}
|
937 |
#endif
|
938 |
} |
939 |
else {
|
940 |
if (s->in_index == sizeof (s->in2_data)) { |
941 |
dolog ("in data overrun\n");
|
942 |
} |
943 |
else {
|
944 |
s->in2_data[s->in_index++] = val; |
945 |
if (s->in_index == s->needed_bytes) {
|
946 |
s->needed_bytes = 0;
|
947 |
complete (s); |
948 |
#if 0
|
949 |
log_dsp (s);
|
950 |
#endif
|
951 |
} |
952 |
} |
953 |
} |
954 |
break;
|
955 |
|
956 |
default:
|
957 |
ldebug ("(nport=%#x, val=%#x)\n", nport, val);
|
958 |
break;
|
959 |
} |
960 |
} |
961 |
|
962 |
static IO_READ_PROTO (dsp_read)
|
963 |
{ |
964 |
SB16State *s = opaque; |
965 |
int iport, retval, ack = 0; |
966 |
|
967 |
iport = nport - s->port; |
968 |
|
969 |
switch (iport) {
|
970 |
case 0x06: /* reset */ |
971 |
retval = 0xff;
|
972 |
break;
|
973 |
|
974 |
case 0x0a: /* read data */ |
975 |
if (s->out_data_len) {
|
976 |
retval = s->out_data[--s->out_data_len]; |
977 |
s->last_read_byte = retval; |
978 |
} |
979 |
else {
|
980 |
if (s->cmd != -1) { |
981 |
dolog ("empty output buffer for command %#x\n",
|
982 |
s->cmd); |
983 |
} |
984 |
retval = s->last_read_byte; |
985 |
/* goto error; */
|
986 |
} |
987 |
break;
|
988 |
|
989 |
case 0x0c: /* 0 can write */ |
990 |
retval = s->can_write ? 0 : 0x80; |
991 |
break;
|
992 |
|
993 |
case 0x0d: /* timer interrupt clear */ |
994 |
/* dolog ("timer interrupt clear\n"); */
|
995 |
retval = 0;
|
996 |
break;
|
997 |
|
998 |
case 0x0e: /* data available status | irq 8 ack */ |
999 |
retval = (!s->out_data_len || s->highspeed) ? 0 : 0x80; |
1000 |
if (s->mixer_regs[0x82] & 1) { |
1001 |
ack = 1;
|
1002 |
s->mixer_regs[0x82] &= 1; |
1003 |
qemu_irq_lower (s->pic); |
1004 |
} |
1005 |
break;
|
1006 |
|
1007 |
case 0x0f: /* irq 16 ack */ |
1008 |
retval = 0xff;
|
1009 |
if (s->mixer_regs[0x82] & 2) { |
1010 |
ack = 1;
|
1011 |
s->mixer_regs[0x82] &= 2; |
1012 |
qemu_irq_lower (s->pic); |
1013 |
} |
1014 |
break;
|
1015 |
|
1016 |
default:
|
1017 |
goto error;
|
1018 |
} |
1019 |
|
1020 |
if (!ack) {
|
1021 |
ldebug ("read %#x -> %#x\n", nport, retval);
|
1022 |
} |
1023 |
|
1024 |
return retval;
|
1025 |
|
1026 |
error:
|
1027 |
dolog ("warning: dsp_read %#x error\n", nport);
|
1028 |
return 0xff; |
1029 |
} |
1030 |
|
1031 |
static void reset_mixer (SB16State *s) |
1032 |
{ |
1033 |
int i;
|
1034 |
|
1035 |
memset (s->mixer_regs, 0xff, 0x7f); |
1036 |
memset (s->mixer_regs + 0x83, 0xff, sizeof (s->mixer_regs) - 0x83); |
1037 |
|
1038 |
s->mixer_regs[0x02] = 4; /* master volume 3bits */ |
1039 |
s->mixer_regs[0x06] = 4; /* MIDI volume 3bits */ |
1040 |
s->mixer_regs[0x08] = 0; /* CD volume 3bits */ |
1041 |
s->mixer_regs[0x0a] = 0; /* voice volume 2bits */ |
1042 |
|
1043 |
/* d5=input filt, d3=lowpass filt, d1,d2=input source */
|
1044 |
s->mixer_regs[0x0c] = 0; |
1045 |
|
1046 |
/* d5=output filt, d1=stereo switch */
|
1047 |
s->mixer_regs[0x0e] = 0; |
1048 |
|
1049 |
/* voice volume L d5,d7, R d1,d3 */
|
1050 |
s->mixer_regs[0x04] = (4 << 5) | (4 << 1); |
1051 |
/* master ... */
|
1052 |
s->mixer_regs[0x22] = (4 << 5) | (4 << 1); |
1053 |
/* MIDI ... */
|
1054 |
s->mixer_regs[0x26] = (4 << 5) | (4 << 1); |
1055 |
|
1056 |
for (i = 0x30; i < 0x48; i++) { |
1057 |
s->mixer_regs[i] = 0x20;
|
1058 |
} |
1059 |
} |
1060 |
|
1061 |
static IO_WRITE_PROTO (mixer_write_indexb)
|
1062 |
{ |
1063 |
SB16State *s = opaque; |
1064 |
(void) nport;
|
1065 |
s->mixer_nreg = val; |
1066 |
} |
1067 |
|
1068 |
static IO_WRITE_PROTO (mixer_write_datab)
|
1069 |
{ |
1070 |
SB16State *s = opaque; |
1071 |
|
1072 |
(void) nport;
|
1073 |
ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val);
|
1074 |
|
1075 |
switch (s->mixer_nreg) {
|
1076 |
case 0x00: |
1077 |
reset_mixer (s); |
1078 |
break;
|
1079 |
|
1080 |
case 0x80: |
1081 |
{ |
1082 |
int irq = irq_of_magic (val);
|
1083 |
ldebug ("setting irq to %d (val=%#x)\n", irq, val);
|
1084 |
if (irq > 0) { |
1085 |
s->irq = irq; |
1086 |
} |
1087 |
} |
1088 |
break;
|
1089 |
|
1090 |
case 0x81: |
1091 |
{ |
1092 |
int dma, hdma;
|
1093 |
|
1094 |
dma = ctz32 (val & 0xf);
|
1095 |
hdma = ctz32 (val & 0xf0);
|
1096 |
if (dma != s->dma || hdma != s->hdma) {
|
1097 |
dolog ( |
1098 |
"attempt to change DMA "
|
1099 |
"8bit %d(%d), 16bit %d(%d) (val=%#x)\n",
|
1100 |
dma, s->dma, hdma, s->hdma, val); |
1101 |
} |
1102 |
#if 0
|
1103 |
s->dma = dma;
|
1104 |
s->hdma = hdma;
|
1105 |
#endif
|
1106 |
} |
1107 |
break;
|
1108 |
|
1109 |
case 0x82: |
1110 |
dolog ("attempt to write into IRQ status register (val=%#x)\n",
|
1111 |
val); |
1112 |
return;
|
1113 |
|
1114 |
default:
|
1115 |
if (s->mixer_nreg >= 0x80) { |
1116 |
ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val);
|
1117 |
} |
1118 |
break;
|
1119 |
} |
1120 |
|
1121 |
s->mixer_regs[s->mixer_nreg] = val; |
1122 |
} |
1123 |
|
1124 |
static IO_WRITE_PROTO (mixer_write_indexw)
|
1125 |
{ |
1126 |
mixer_write_indexb (opaque, nport, val & 0xff);
|
1127 |
mixer_write_datab (opaque, nport, (val >> 8) & 0xff); |
1128 |
} |
1129 |
|
1130 |
static IO_READ_PROTO (mixer_read)
|
1131 |
{ |
1132 |
SB16State *s = opaque; |
1133 |
|
1134 |
(void) nport;
|
1135 |
#ifndef DEBUG_SB16_MOST
|
1136 |
if (s->mixer_nreg != 0x82) { |
1137 |
ldebug ("mixer_read[%#x] -> %#x\n",
|
1138 |
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1139 |
} |
1140 |
#else
|
1141 |
ldebug ("mixer_read[%#x] -> %#x\n",
|
1142 |
s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); |
1143 |
#endif
|
1144 |
return s->mixer_regs[s->mixer_nreg];
|
1145 |
} |
1146 |
|
1147 |
static int write_audio (SB16State *s, int nchan, int dma_pos, |
1148 |
int dma_len, int len) |
1149 |
{ |
1150 |
int temp, net;
|
1151 |
uint8_t tmpbuf[4096];
|
1152 |
|
1153 |
temp = len; |
1154 |
net = 0;
|
1155 |
|
1156 |
while (temp) {
|
1157 |
int left = dma_len - dma_pos;
|
1158 |
int copied;
|
1159 |
size_t to_copy; |
1160 |
|
1161 |
to_copy = audio_MIN (temp, left); |
1162 |
if (to_copy > sizeof (tmpbuf)) { |
1163 |
to_copy = sizeof (tmpbuf);
|
1164 |
} |
1165 |
|
1166 |
copied = DMA_read_memory (nchan, tmpbuf, dma_pos, to_copy); |
1167 |
copied = AUD_write (s->voice, tmpbuf, copied); |
1168 |
|
1169 |
temp -= copied; |
1170 |
dma_pos = (dma_pos + copied) % dma_len; |
1171 |
net += copied; |
1172 |
|
1173 |
if (!copied) {
|
1174 |
break;
|
1175 |
} |
1176 |
} |
1177 |
|
1178 |
return net;
|
1179 |
} |
1180 |
|
1181 |
static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) |
1182 |
{ |
1183 |
SB16State *s = opaque; |
1184 |
int till, copy, written, free;
|
1185 |
|
1186 |
if (s->block_size <= 0) { |
1187 |
dolog ("invalid block size=%d nchan=%d dma_pos=%d dma_len=%d\n",
|
1188 |
s->block_size, nchan, dma_pos, dma_len); |
1189 |
return dma_pos;
|
1190 |
} |
1191 |
|
1192 |
if (s->left_till_irq < 0) { |
1193 |
s->left_till_irq = s->block_size; |
1194 |
} |
1195 |
|
1196 |
if (s->voice) {
|
1197 |
free = s->audio_free & ~s->align; |
1198 |
if ((free <= 0) || !dma_len) { |
1199 |
return dma_pos;
|
1200 |
} |
1201 |
} |
1202 |
else {
|
1203 |
free = dma_len; |
1204 |
} |
1205 |
|
1206 |
copy = free; |
1207 |
till = s->left_till_irq; |
1208 |
|
1209 |
#ifdef DEBUG_SB16_MOST
|
1210 |
dolog ("pos:%06d %d till:%d len:%d\n",
|
1211 |
dma_pos, free, till, dma_len); |
1212 |
#endif
|
1213 |
|
1214 |
if (till <= copy) {
|
1215 |
if (0 == s->dma_auto) { |
1216 |
copy = till; |
1217 |
} |
1218 |
} |
1219 |
|
1220 |
written = write_audio (s, nchan, dma_pos, dma_len, copy); |
1221 |
dma_pos = (dma_pos + written) % dma_len; |
1222 |
s->left_till_irq -= written; |
1223 |
|
1224 |
if (s->left_till_irq <= 0) { |
1225 |
s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1; |
1226 |
qemu_irq_raise (s->pic); |
1227 |
if (0 == s->dma_auto) { |
1228 |
control (s, 0);
|
1229 |
speaker (s, 0);
|
1230 |
} |
1231 |
} |
1232 |
|
1233 |
#ifdef DEBUG_SB16_MOST
|
1234 |
ldebug ("pos %5d free %5d size %5d till % 5d copy %5d written %5d size %5d\n",
|
1235 |
dma_pos, free, dma_len, s->left_till_irq, copy, written, |
1236 |
s->block_size); |
1237 |
#endif
|
1238 |
|
1239 |
while (s->left_till_irq <= 0) { |
1240 |
s->left_till_irq = s->block_size + s->left_till_irq; |
1241 |
} |
1242 |
|
1243 |
return dma_pos;
|
1244 |
} |
1245 |
|
1246 |
static void SB_audio_callback (void *opaque, int free) |
1247 |
{ |
1248 |
SB16State *s = opaque; |
1249 |
s->audio_free = free; |
1250 |
} |
1251 |
|
1252 |
static int sb16_post_load (void *opaque, int version_id) |
1253 |
{ |
1254 |
SB16State *s = opaque; |
1255 |
|
1256 |
if (s->voice) {
|
1257 |
AUD_close_out (&s->card, s->voice); |
1258 |
s->voice = NULL;
|
1259 |
} |
1260 |
|
1261 |
if (s->dma_running) {
|
1262 |
if (s->freq) {
|
1263 |
struct audsettings as;
|
1264 |
|
1265 |
s->audio_free = 0;
|
1266 |
|
1267 |
as.freq = s->freq; |
1268 |
as.nchannels = 1 << s->fmt_stereo;
|
1269 |
as.fmt = s->fmt; |
1270 |
as.endianness = 0;
|
1271 |
|
1272 |
s->voice = AUD_open_out ( |
1273 |
&s->card, |
1274 |
s->voice, |
1275 |
"sb16",
|
1276 |
s, |
1277 |
SB_audio_callback, |
1278 |
&as |
1279 |
); |
1280 |
} |
1281 |
|
1282 |
control (s, 1);
|
1283 |
speaker (s, s->speaker); |
1284 |
} |
1285 |
return 0; |
1286 |
} |
1287 |
|
1288 |
static const VMStateDescription vmstate_sb16 = { |
1289 |
.name = "sb16",
|
1290 |
.version_id = 1,
|
1291 |
.minimum_version_id = 1,
|
1292 |
.minimum_version_id_old = 1,
|
1293 |
.post_load = sb16_post_load, |
1294 |
.fields = (VMStateField []) { |
1295 |
VMSTATE_UINT32 (irq, SB16State), |
1296 |
VMSTATE_UINT32 (dma, SB16State), |
1297 |
VMSTATE_UINT32 (hdma, SB16State), |
1298 |
VMSTATE_UINT32 (port, SB16State), |
1299 |
VMSTATE_UINT32 (ver, SB16State), |
1300 |
VMSTATE_INT32 (in_index, SB16State), |
1301 |
VMSTATE_INT32 (out_data_len, SB16State), |
1302 |
VMSTATE_INT32 (fmt_stereo, SB16State), |
1303 |
VMSTATE_INT32 (fmt_signed, SB16State), |
1304 |
VMSTATE_INT32 (fmt_bits, SB16State), |
1305 |
VMSTATE_UINT32 (fmt, SB16State), |
1306 |
VMSTATE_INT32 (dma_auto, SB16State), |
1307 |
VMSTATE_INT32 (block_size, SB16State), |
1308 |
VMSTATE_INT32 (fifo, SB16State), |
1309 |
VMSTATE_INT32 (freq, SB16State), |
1310 |
VMSTATE_INT32 (time_const, SB16State), |
1311 |
VMSTATE_INT32 (speaker, SB16State), |
1312 |
VMSTATE_INT32 (needed_bytes, SB16State), |
1313 |
VMSTATE_INT32 (cmd, SB16State), |
1314 |
VMSTATE_INT32 (use_hdma, SB16State), |
1315 |
VMSTATE_INT32 (highspeed, SB16State), |
1316 |
VMSTATE_INT32 (can_write, SB16State), |
1317 |
VMSTATE_INT32 (v2x6, SB16State), |
1318 |
|
1319 |
VMSTATE_UINT8 (csp_param, SB16State), |
1320 |
VMSTATE_UINT8 (csp_value, SB16State), |
1321 |
VMSTATE_UINT8 (csp_mode, SB16State), |
1322 |
VMSTATE_UINT8 (csp_param, SB16State), |
1323 |
VMSTATE_BUFFER (csp_regs, SB16State), |
1324 |
VMSTATE_UINT8 (csp_index, SB16State), |
1325 |
VMSTATE_BUFFER (csp_reg83, SB16State), |
1326 |
VMSTATE_INT32 (csp_reg83r, SB16State), |
1327 |
VMSTATE_INT32 (csp_reg83w, SB16State), |
1328 |
|
1329 |
VMSTATE_BUFFER (in2_data, SB16State), |
1330 |
VMSTATE_BUFFER (out_data, SB16State), |
1331 |
VMSTATE_UINT8 (test_reg, SB16State), |
1332 |
VMSTATE_UINT8 (last_read_byte, SB16State), |
1333 |
|
1334 |
VMSTATE_INT32 (nzero, SB16State), |
1335 |
VMSTATE_INT32 (left_till_irq, SB16State), |
1336 |
VMSTATE_INT32 (dma_running, SB16State), |
1337 |
VMSTATE_INT32 (bytes_per_second, SB16State), |
1338 |
VMSTATE_INT32 (align, SB16State), |
1339 |
|
1340 |
VMSTATE_INT32 (mixer_nreg, SB16State), |
1341 |
VMSTATE_BUFFER (mixer_regs, SB16State), |
1342 |
|
1343 |
VMSTATE_END_OF_LIST () |
1344 |
} |
1345 |
}; |
1346 |
|
1347 |
static const MemoryRegionPortio sb16_ioport_list[] = { |
1348 |
{ 4, 1, 1, .write = mixer_write_indexb }, |
1349 |
{ 4, 1, 2, .write = mixer_write_indexw }, |
1350 |
{ 5, 1, 1, .read = mixer_read, .write = mixer_write_datab }, |
1351 |
{ 6, 1, 1, .read = dsp_read, .write = dsp_write }, |
1352 |
{ 10, 1, 1, .read = dsp_read }, |
1353 |
{ 12, 1, 1, .write = dsp_write }, |
1354 |
{ 12, 4, 1, .read = dsp_read }, |
1355 |
PORTIO_END_OF_LIST (), |
1356 |
}; |
1357 |
|
1358 |
|
1359 |
static int sb16_initfn (ISADevice *dev) |
1360 |
{ |
1361 |
SB16State *s = SB16 (dev); |
1362 |
|
1363 |
s->cmd = -1;
|
1364 |
isa_init_irq (dev, &s->pic, s->irq); |
1365 |
|
1366 |
s->mixer_regs[0x80] = magic_of_irq (s->irq);
|
1367 |
s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma); |
1368 |
s->mixer_regs[0x82] = 2 << 5; |
1369 |
|
1370 |
s->csp_regs[5] = 1; |
1371 |
s->csp_regs[9] = 0xf8; |
1372 |
|
1373 |
reset_mixer (s); |
1374 |
s->aux_ts = qemu_new_timer_ns (vm_clock, aux_timer, s); |
1375 |
if (!s->aux_ts) {
|
1376 |
dolog ("warning: Could not create auxiliary timer\n");
|
1377 |
} |
1378 |
|
1379 |
isa_register_portio_list (dev, s->port, sb16_ioport_list, s, "sb16");
|
1380 |
|
1381 |
DMA_register_channel (s->hdma, SB_read_DMA, s); |
1382 |
DMA_register_channel (s->dma, SB_read_DMA, s); |
1383 |
s->can_write = 1;
|
1384 |
|
1385 |
AUD_register_card ("sb16", &s->card);
|
1386 |
return 0; |
1387 |
} |
1388 |
|
1389 |
static int SB16_init (ISABus *bus) |
1390 |
{ |
1391 |
isa_create_simple (bus, TYPE_SB16); |
1392 |
return 0; |
1393 |
} |
1394 |
|
1395 |
static Property sb16_properties[] = {
|
1396 |
DEFINE_PROP_HEX32 ("version", SB16State, ver, 0x0405), /* 4.5 */ |
1397 |
DEFINE_PROP_HEX32 ("iobase", SB16State, port, 0x220), |
1398 |
DEFINE_PROP_UINT32 ("irq", SB16State, irq, 5), |
1399 |
DEFINE_PROP_UINT32 ("dma", SB16State, dma, 1), |
1400 |
DEFINE_PROP_UINT32 ("dma16", SB16State, hdma, 5), |
1401 |
DEFINE_PROP_END_OF_LIST (), |
1402 |
}; |
1403 |
|
1404 |
static void sb16_class_initfn (ObjectClass *klass, void *data) |
1405 |
{ |
1406 |
DeviceClass *dc = DEVICE_CLASS (klass); |
1407 |
ISADeviceClass *ic = ISA_DEVICE_CLASS (klass); |
1408 |
ic->init = sb16_initfn; |
1409 |
dc->desc = "Creative Sound Blaster 16";
|
1410 |
dc->vmsd = &vmstate_sb16; |
1411 |
dc->props = sb16_properties; |
1412 |
} |
1413 |
|
1414 |
static const TypeInfo sb16_info = { |
1415 |
.name = TYPE_SB16, |
1416 |
.parent = TYPE_ISA_DEVICE, |
1417 |
.instance_size = sizeof (SB16State),
|
1418 |
.class_init = sb16_class_initfn, |
1419 |
}; |
1420 |
|
1421 |
static void sb16_register_types (void) |
1422 |
{ |
1423 |
type_register_static (&sb16_info); |
1424 |
isa_register_soundhw("sb16", "Creative Sound Blaster 16", SB16_init); |
1425 |
} |
1426 |
|
1427 |
type_init (sb16_register_types) |