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ipv4: netfilter: ip_tables: fix information leak to userland
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / isa / sb / emu8000.c
blob0c40951b6523b6b36243906b53bf8ad2e08dacd9
1 /*
2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
4 * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
5 *
6 * Routines for control of EMU8000 chip
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include <linux/wait.h>
24 #include <linux/sched.h>
25 #include <linux/slab.h>
26 #include <linux/ioport.h>
27 #include <linux/delay.h>
28 #include <sound/core.h>
29 #include <sound/emu8000.h>
30 #include <sound/emu8000_reg.h>
31 #include <asm/io.h>
32 #include <asm/uaccess.h>
33 #include <linux/init.h>
34 #include <sound/control.h>
35 #include <sound/initval.h>
36
37 /*
38 * emu8000 register controls
39 */
40
41 /*
42 * The following routines read and write registers on the emu8000. They
43 * should always be called via the EMU8000*READ/WRITE macros and never
44 * directly. The macros handle the port number and command word.
45 */
46 /* Write a word */
47 void snd_emu8000_poke(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val)
48 {
49 unsigned long flags;
50 spin_lock_irqsave(&emu->reg_lock, flags);
51 if (reg != emu->last_reg) {
52 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */
53 emu->last_reg = reg;
54 }
55 outw((unsigned short)val, port); /* Send data */
56 spin_unlock_irqrestore(&emu->reg_lock, flags);
57 }
58
59 /* Read a word */
60 unsigned short snd_emu8000_peek(struct snd_emu8000 *emu, unsigned int port, unsigned int reg)
61 {
62 unsigned short res;
63 unsigned long flags;
64 spin_lock_irqsave(&emu->reg_lock, flags);
65 if (reg != emu->last_reg) {
66 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */
67 emu->last_reg = reg;
68 }
69 res = inw(port); /* Read data */
70 spin_unlock_irqrestore(&emu->reg_lock, flags);
71 return res;
72 }
73
74 /* Write a double word */
75 void snd_emu8000_poke_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg, unsigned int val)
76 {
77 unsigned long flags;
78 spin_lock_irqsave(&emu->reg_lock, flags);
79 if (reg != emu->last_reg) {
80 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */
81 emu->last_reg = reg;
82 }
83 outw((unsigned short)val, port); /* Send low word of data */
84 outw((unsigned short)(val>>16), port+2); /* Send high word of data */
85 spin_unlock_irqrestore(&emu->reg_lock, flags);
86 }
87
88 /* Read a double word */
89 unsigned int snd_emu8000_peek_dw(struct snd_emu8000 *emu, unsigned int port, unsigned int reg)
90 {
91 unsigned short low;
92 unsigned int res;
93 unsigned long flags;
94 spin_lock_irqsave(&emu->reg_lock, flags);
95 if (reg != emu->last_reg) {
96 outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */
97 emu->last_reg = reg;
98 }
99 low = inw(port); /* Read low word of data */
100 res = low + (inw(port+2) << 16);
101 spin_unlock_irqrestore(&emu->reg_lock, flags);
102 return res;
103 }
104
105 /*
106 * Set up / close a channel to be used for DMA.
107 */
108 /*exported*/ void
109 snd_emu8000_dma_chan(struct snd_emu8000 *emu, int ch, int mode)
110 {
111 unsigned right_bit = (mode & EMU8000_RAM_RIGHT) ? 0x01000000 : 0;
112 mode &= EMU8000_RAM_MODE_MASK;
113 if (mode == EMU8000_RAM_CLOSE) {
114 EMU8000_CCCA_WRITE(emu, ch, 0);
115 EMU8000_DCYSUSV_WRITE(emu, ch, 0x807F);
116 return;
117 }
118 EMU8000_DCYSUSV_WRITE(emu, ch, 0x80);
119 EMU8000_VTFT_WRITE(emu, ch, 0);
120 EMU8000_CVCF_WRITE(emu, ch, 0);
121 EMU8000_PTRX_WRITE(emu, ch, 0x40000000);
122 EMU8000_CPF_WRITE(emu, ch, 0x40000000);
123 EMU8000_PSST_WRITE(emu, ch, 0);
124 EMU8000_CSL_WRITE(emu, ch, 0);
125 if (mode == EMU8000_RAM_WRITE) /* DMA write */
126 EMU8000_CCCA_WRITE(emu, ch, 0x06000000 | right_bit);
127 else /* DMA read */
128 EMU8000_CCCA_WRITE(emu, ch, 0x04000000 | right_bit);
129 }
130
131 /*
132 */
133 static void __devinit
134 snd_emu8000_read_wait(struct snd_emu8000 *emu)
135 {
136 while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) {
137 schedule_timeout_interruptible(1);
138 if (signal_pending(current))
139 break;
140 }
141 }
142
143 /*
144 */
145 static void __devinit
146 snd_emu8000_write_wait(struct snd_emu8000 *emu)
147 {
148 while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) {
149 schedule_timeout_interruptible(1);
150 if (signal_pending(current))
151 break;
152 }
153 }
154
155 /*
156 * detect a card at the given port
157 */
158 static int __devinit
159 snd_emu8000_detect(struct snd_emu8000 *emu)
160 {
161 /* Initialise */
162 EMU8000_HWCF1_WRITE(emu, 0x0059);
163 EMU8000_HWCF2_WRITE(emu, 0x0020);
164 EMU8000_HWCF3_WRITE(emu, 0x0000);
165 /* Check for a recognisable emu8000 */
166 /*
167 if ((EMU8000_U1_READ(emu) & 0x000f) != 0x000c)
168 return -ENODEV;
169 */
170 if ((EMU8000_HWCF1_READ(emu) & 0x007e) != 0x0058)
171 return -ENODEV;
172 if ((EMU8000_HWCF2_READ(emu) & 0x0003) != 0x0003)
173 return -ENODEV;
174
175 snd_printdd("EMU8000 [0x%lx]: Synth chip found\n",
176 emu->port1);
177 return 0;
178 }
179
180
181 /*
182 * intiailize audio channels
183 */
184 static void __devinit
185 init_audio(struct snd_emu8000 *emu)
186 {
187 int ch;
188
189 /* turn off envelope engines */
190 for (ch = 0; ch < EMU8000_CHANNELS; ch++)
191 EMU8000_DCYSUSV_WRITE(emu, ch, 0x80);
192
193 /* reset all other parameters to zero */
194 for (ch = 0; ch < EMU8000_CHANNELS; ch++) {
195 EMU8000_ENVVOL_WRITE(emu, ch, 0);
196 EMU8000_ENVVAL_WRITE(emu, ch, 0);
197 EMU8000_DCYSUS_WRITE(emu, ch, 0);
198 EMU8000_ATKHLDV_WRITE(emu, ch, 0);
199 EMU8000_LFO1VAL_WRITE(emu, ch, 0);
200 EMU8000_ATKHLD_WRITE(emu, ch, 0);
201 EMU8000_LFO2VAL_WRITE(emu, ch, 0);
202 EMU8000_IP_WRITE(emu, ch, 0);
203 EMU8000_IFATN_WRITE(emu, ch, 0);
204 EMU8000_PEFE_WRITE(emu, ch, 0);
205 EMU8000_FMMOD_WRITE(emu, ch, 0);
206 EMU8000_TREMFRQ_WRITE(emu, ch, 0);
207 EMU8000_FM2FRQ2_WRITE(emu, ch, 0);
208 EMU8000_PTRX_WRITE(emu, ch, 0);
209 EMU8000_VTFT_WRITE(emu, ch, 0);
210 EMU8000_PSST_WRITE(emu, ch, 0);
211 EMU8000_CSL_WRITE(emu, ch, 0);
212 EMU8000_CCCA_WRITE(emu, ch, 0);
213 }
214
215 for (ch = 0; ch < EMU8000_CHANNELS; ch++) {
216 EMU8000_CPF_WRITE(emu, ch, 0);
217 EMU8000_CVCF_WRITE(emu, ch, 0);
218 }
219 }
220
221
222 /*
223 * initialize DMA address
224 */
225 static void __devinit
226 init_dma(struct snd_emu8000 *emu)
227 {
228 EMU8000_SMALR_WRITE(emu, 0);
229 EMU8000_SMARR_WRITE(emu, 0);
230 EMU8000_SMALW_WRITE(emu, 0);
231 EMU8000_SMARW_WRITE(emu, 0);
232 }
233
234 /*
235 * initialization arrays; from ADIP
236 */
237 static unsigned short init1[128] /*__devinitdata*/ = {
238 0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330,
239 0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730,
240 0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30,
241 0x33ff, 0x0c30, 0x37ff, 0x0d30, 0x3bff, 0x0e30, 0x3fff, 0x0f30,
242
243 0x43ff, 0x0030, 0x47ff, 0x0130, 0x4bff, 0x0230, 0x4fff, 0x0330,
244 0x53ff, 0x0430, 0x57ff, 0x0530, 0x5bff, 0x0630, 0x5fff, 0x0730,
245 0x63ff, 0x0830, 0x67ff, 0x0930, 0x6bff, 0x0a30, 0x6fff, 0x0b30,
246 0x73ff, 0x0c30, 0x77ff, 0x0d30, 0x7bff, 0x0e30, 0x7fff, 0x0f30,
247
248 0x83ff, 0x0030, 0x87ff, 0x0130, 0x8bff, 0x0230, 0x8fff, 0x0330,
249 0x93ff, 0x0430, 0x97ff, 0x0530, 0x9bff, 0x0630, 0x9fff, 0x0730,
250 0xa3ff, 0x0830, 0xa7ff, 0x0930, 0xabff, 0x0a30, 0xafff, 0x0b30,
251 0xb3ff, 0x0c30, 0xb7ff, 0x0d30, 0xbbff, 0x0e30, 0xbfff, 0x0f30,
252
253 0xc3ff, 0x0030, 0xc7ff, 0x0130, 0xcbff, 0x0230, 0xcfff, 0x0330,
254 0xd3ff, 0x0430, 0xd7ff, 0x0530, 0xdbff, 0x0630, 0xdfff, 0x0730,
255 0xe3ff, 0x0830, 0xe7ff, 0x0930, 0xebff, 0x0a30, 0xefff, 0x0b30,
256 0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30,
257 };
258
259 static unsigned short init2[128] /*__devinitdata*/ = {
260 0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330,
261 0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730,
262 0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30,
263 0x33ff, 0x8c30, 0x37ff, 0x8d30, 0x3bff, 0x8e30, 0x3fff, 0x8f30,
264
265 0x43ff, 0x8030, 0x47ff, 0x8130, 0x4bff, 0x8230, 0x4fff, 0x8330,
266 0x53ff, 0x8430, 0x57ff, 0x8530, 0x5bff, 0x8630, 0x5fff, 0x8730,
267 0x63ff, 0x8830, 0x67ff, 0x8930, 0x6bff, 0x8a30, 0x6fff, 0x8b30,
268 0x73ff, 0x8c30, 0x77ff, 0x8d30, 0x7bff, 0x8e30, 0x7fff, 0x8f30,
269
270 0x83ff, 0x8030, 0x87ff, 0x8130, 0x8bff, 0x8230, 0x8fff, 0x8330,
271 0x93ff, 0x8430, 0x97ff, 0x8530, 0x9bff, 0x8630, 0x9fff, 0x8730,
272 0xa3ff, 0x8830, 0xa7ff, 0x8930, 0xabff, 0x8a30, 0xafff, 0x8b30,
273 0xb3ff, 0x8c30, 0xb7ff, 0x8d30, 0xbbff, 0x8e30, 0xbfff, 0x8f30,
274
275 0xc3ff, 0x8030, 0xc7ff, 0x8130, 0xcbff, 0x8230, 0xcfff, 0x8330,
276 0xd3ff, 0x8430, 0xd7ff, 0x8530, 0xdbff, 0x8630, 0xdfff, 0x8730,
277 0xe3ff, 0x8830, 0xe7ff, 0x8930, 0xebff, 0x8a30, 0xefff, 0x8b30,
278 0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30,
279 };
280
281 static unsigned short init3[128] /*__devinitdata*/ = {
282 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5,
283 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254,
284 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234,
285 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x86E7, 0x229E, 0xF224,
286
287 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x87F6, 0x2C28, 0xF254,
288 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x8F02, 0x1341, 0xF264,
289 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x8FA9, 0x3EB5, 0xF294,
290 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0xC4C3, 0x3EBB, 0xC5C3,
291
292 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x8671, 0x14FD, 0x8287,
293 0x3EBC, 0xE610, 0x3EC8, 0x8C7B, 0x031A, 0x87E6, 0x3EC8, 0x86F7,
294 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x821F, 0x3ECA, 0x8386,
295 0x3EC1, 0x8C03, 0x3EC9, 0x831E, 0x3ECA, 0x8C4C, 0x3EBF, 0x8C55,
296
297 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x8EAD, 0x3EC8, 0xD308,
298 0x3EC2, 0x8F7E, 0x3ECB, 0x8219, 0x3ECB, 0xD26E, 0x3EC5, 0x831F,
299 0x3EC6, 0xC308, 0x3EC3, 0xB2FF, 0x3EC9, 0x8265, 0x3EC9, 0x8319,
300 0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570,
301 };
302
303 static unsigned short init4[128] /*__devinitdata*/ = {
304 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5,
305 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254,
306 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234,
307 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x06E7, 0x229E, 0x7224,
308
309 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x07F6, 0x2C28, 0x7254,
310 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x0F02, 0x1341, 0x7264,
311 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x0FA9, 0x3EB5, 0x7294,
312 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0x44C3, 0x3EBB, 0x45C3,
313
314 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x0671, 0x14FD, 0x0287,
315 0x3EBC, 0xE610, 0x3EC8, 0x0C7B, 0x031A, 0x07E6, 0x3EC8, 0x86F7,
316 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x021F, 0x3ECA, 0x0386,
317 0x3EC1, 0x0C03, 0x3EC9, 0x031E, 0x3ECA, 0x8C4C, 0x3EBF, 0x0C55,
318
319 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x0EAD, 0x3EC8, 0xD308,
320 0x3EC2, 0x8F7E, 0x3ECB, 0x0219, 0x3ECB, 0xD26E, 0x3EC5, 0x031F,
321 0x3EC6, 0xC308, 0x3EC3, 0x32FF, 0x3EC9, 0x0265, 0x3EC9, 0x8319,
322 0x1342, 0xD36E, 0x3EC7, 0x33FF, 0x0000, 0x8365, 0x1420, 0x9570,
323 };
324
325 /* send an initialization array
326 * Taken from the oss driver, not obvious from the doc how this
327 * is meant to work
328 */
329 static void __devinit
330 send_array(struct snd_emu8000 *emu, unsigned short *data, int size)
331 {
332 int i;
333 unsigned short *p;
334
335 p = data;
336 for (i = 0; i < size; i++, p++)
337 EMU8000_INIT1_WRITE(emu, i, *p);
338 for (i = 0; i < size; i++, p++)
339 EMU8000_INIT2_WRITE(emu, i, *p);
340 for (i = 0; i < size; i++, p++)
341 EMU8000_INIT3_WRITE(emu, i, *p);
342 for (i = 0; i < size; i++, p++)
343 EMU8000_INIT4_WRITE(emu, i, *p);
344 }
345
346
347 /*
348 * Send initialization arrays to start up, this just follows the
349 * initialisation sequence in the adip.
350 */
351 static void __devinit
352 init_arrays(struct snd_emu8000 *emu)
353 {
354 send_array(emu, init1, ARRAY_SIZE(init1)/4);
355
356 msleep((1024 * 1000) / 44100); /* wait for 1024 clocks */
357 send_array(emu, init2, ARRAY_SIZE(init2)/4);
358 send_array(emu, init3, ARRAY_SIZE(init3)/4);
359
360 EMU8000_HWCF4_WRITE(emu, 0);
361 EMU8000_HWCF5_WRITE(emu, 0x83);
362 EMU8000_HWCF6_WRITE(emu, 0x8000);
363
364 send_array(emu, init4, ARRAY_SIZE(init4)/4);
365 }
366
367
368 #define UNIQUE_ID1 0xa5b9
369 #define UNIQUE_ID2 0x9d53
370
371 /*
372 * Size the onboard memory.
373 * This is written so as not to need arbitary delays after the write. It
374 * seems that the only way to do this is to use the one channel and keep
375 * reallocating between read and write.
376 */
377 static void __devinit
378 size_dram(struct snd_emu8000 *emu)
379 {
380 int i, size, detected_size;
381
382 if (emu->dram_checked)
383 return;
384
385 size = 0;
386 detected_size = 0;
387
388 /* write out a magic number */
389 snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE);
390 snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_READ);
391 EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET);
392 EMU8000_SMLD_WRITE(emu, UNIQUE_ID1);
393 snd_emu8000_init_fm(emu); /* This must really be here and not 2 lines back even */
394
395 while (size < EMU8000_MAX_DRAM) {
396
397 size += 512 * 1024; /* increment 512kbytes */
398
399 /* Write a unique data on the test address.
400 * if the address is out of range, the data is written on
401 * 0x200000(=EMU8000_DRAM_OFFSET). Then the id word is
402 * changed by this data.
403 */
404 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE);*/
405 EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1));
406 EMU8000_SMLD_WRITE(emu, UNIQUE_ID2);
407 snd_emu8000_write_wait(emu);
408
409 /*
410 * read the data on the just written DRAM address
411 * if not the same then we have reached the end of ram.
412 */
413 /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_READ);*/
414 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1));
415 /*snd_emu8000_read_wait(emu);*/
416 EMU8000_SMLD_READ(emu); /* discard stale data */
417 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2)
418 break; /* no memory at this address */
419
420 detected_size = size;
421
422 snd_emu8000_read_wait(emu);
423
424 /*
425 * If it is the same it could be that the address just
426 * wraps back to the beginning; so check to see if the
427 * initial value has been overwritten.
428 */
429 EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET);
430 EMU8000_SMLD_READ(emu); /* discard stale data */
431 if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1)
432 break; /* we must have wrapped around */
433 snd_emu8000_read_wait(emu);
434 }
435
436 /* wait until FULL bit in SMAxW register is false */
437 for (i = 0; i < 10000; i++) {
438 if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0)
439 break;
440 schedule_timeout_interruptible(1);
441 if (signal_pending(current))
442 break;
443 }
444 snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_CLOSE);
445 snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_CLOSE);
446
447 snd_printdd("EMU8000 [0x%lx]: %d Kb on-board memory detected\n",
448 emu->port1, detected_size/1024);
449
450 emu->mem_size = detected_size;
451 emu->dram_checked = 1;
452 }
453
454
455 /*
456 * Initiailise the FM section. You have to do this to use sample RAM
457 * and therefore lose 2 voices.
458 */
459 /*exported*/ void
460 snd_emu8000_init_fm(struct snd_emu8000 *emu)
461 {
462 unsigned long flags;
463
464 /* Initialize the last two channels for DRAM refresh and producing
465 the reverb and chorus effects for Yamaha OPL-3 synthesizer */
466
467 /* 31: FM left channel, 0xffffe0-0xffffe8 */
468 EMU8000_DCYSUSV_WRITE(emu, 30, 0x80);
469 EMU8000_PSST_WRITE(emu, 30, 0xFFFFFFE0); /* full left */
470 EMU8000_CSL_WRITE(emu, 30, 0x00FFFFE8 | (emu->fm_chorus_depth << 24));
471 EMU8000_PTRX_WRITE(emu, 30, (emu->fm_reverb_depth << 8));
472 EMU8000_CPF_WRITE(emu, 30, 0);
473 EMU8000_CCCA_WRITE(emu, 30, 0x00FFFFE3);
474
475 /* 32: FM right channel, 0xfffff0-0xfffff8 */
476 EMU8000_DCYSUSV_WRITE(emu, 31, 0x80);
477 EMU8000_PSST_WRITE(emu, 31, 0x00FFFFF0); /* full right */
478 EMU8000_CSL_WRITE(emu, 31, 0x00FFFFF8 | (emu->fm_chorus_depth << 24));
479 EMU8000_PTRX_WRITE(emu, 31, (emu->fm_reverb_depth << 8));
480 EMU8000_CPF_WRITE(emu, 31, 0x8000);
481 EMU8000_CCCA_WRITE(emu, 31, 0x00FFFFF3);
482
483 snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0);
484
485 spin_lock_irqsave(&emu->reg_lock, flags);
486 while (!(inw(EMU8000_PTR(emu)) & 0x1000))
487 ;
488 while ((inw(EMU8000_PTR(emu)) & 0x1000))
489 ;
490 spin_unlock_irqrestore(&emu->reg_lock, flags);
491 snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0x4828);
492 /* this is really odd part.. */
493 outb(0x3C, EMU8000_PTR(emu));
494 outb(0, EMU8000_DATA1(emu));
495
496 /* skew volume & cutoff */
497 EMU8000_VTFT_WRITE(emu, 30, 0x8000FFFF);
498 EMU8000_VTFT_WRITE(emu, 31, 0x8000FFFF);
499 }
500
501
502 /*
503 * The main initialization routine.
504 */
505 static void __devinit
506 snd_emu8000_init_hw(struct snd_emu8000 *emu)
507 {
508 int i;
509
510 emu->last_reg = 0xffff; /* reset the last register index */
511
512 /* initialize hardware configuration */
513 EMU8000_HWCF1_WRITE(emu, 0x0059);
514 EMU8000_HWCF2_WRITE(emu, 0x0020);
515
516 /* disable audio; this seems to reduce a clicking noise a bit.. */
517 EMU8000_HWCF3_WRITE(emu, 0);
518
519 /* initialize audio channels */
520 init_audio(emu);
521
522 /* initialize DMA */
523 init_dma(emu);
524
525 /* initialize init arrays */
526 init_arrays(emu);
527
528 /*
529 * Initialize the FM section of the AWE32, this is needed
530 * for DRAM refresh as well
531 */
532 snd_emu8000_init_fm(emu);
533
534 /* terminate all voices */
535 for (i = 0; i < EMU8000_DRAM_VOICES; i++)
536 EMU8000_DCYSUSV_WRITE(emu, 0, 0x807F);
537
538 /* check DRAM memory size */
539 size_dram(emu);
540
541 /* enable audio */
542 EMU8000_HWCF3_WRITE(emu, 0x4);
543
544 /* set equzlier, chorus and reverb modes */
545 snd_emu8000_update_equalizer(emu);
546 snd_emu8000_update_chorus_mode(emu);
547 snd_emu8000_update_reverb_mode(emu);
548 }
549
550
551 /*----------------------------------------------------------------
552 * Bass/Treble Equalizer
553 *----------------------------------------------------------------*/
554
555 static unsigned short bass_parm[12][3] = {
556 {0xD26A, 0xD36A, 0x0000}, /* -12 dB */
557 {0xD25B, 0xD35B, 0x0000}, /* -8 */
558 {0xD24C, 0xD34C, 0x0000}, /* -6 */
559 {0xD23D, 0xD33D, 0x0000}, /* -4 */
560 {0xD21F, 0xD31F, 0x0000}, /* -2 */
561 {0xC208, 0xC308, 0x0001}, /* 0 (HW default) */
562 {0xC219, 0xC319, 0x0001}, /* +2 */
563 {0xC22A, 0xC32A, 0x0001}, /* +4 */
564 {0xC24C, 0xC34C, 0x0001}, /* +6 */
565 {0xC26E, 0xC36E, 0x0001}, /* +8 */
566 {0xC248, 0xC384, 0x0002}, /* +10 */
567 {0xC26A, 0xC36A, 0x0002}, /* +12 dB */
568 };
569
570 static unsigned short treble_parm[12][9] = {
571 {0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */
572 {0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
573 {0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
574 {0x821E, 0xC23D, 0x031E, 0xC33D, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
575 {0x821E, 0xC21F, 0x031E, 0xC31F, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
576 {0x821E, 0xD208, 0x031E, 0xD308, 0x021E, 0xD208, 0x831E, 0xD308, 0x0002},
577 {0x821E, 0xD208, 0x031E, 0xD308, 0x021D, 0xD219, 0x831D, 0xD319, 0x0002},
578 {0x821E, 0xD208, 0x031E, 0xD308, 0x021C, 0xD22A, 0x831C, 0xD32A, 0x0002},
579 {0x821E, 0xD208, 0x031E, 0xD308, 0x021A, 0xD24C, 0x831A, 0xD34C, 0x0002},
580 {0x821E, 0xD208, 0x031E, 0xD308, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +8 (HW default) */
581 {0x821D, 0xD219, 0x031D, 0xD319, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002},
582 {0x821C, 0xD22A, 0x031C, 0xD32A, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002} /* +12 dB */
583 };
584
585
586 /*
587 * set Emu8000 digital equalizer; from 0 to 11 [-12dB - 12dB]
588 */
589 /*exported*/ void
590 snd_emu8000_update_equalizer(struct snd_emu8000 *emu)
591 {
592 unsigned short w;
593 int bass = emu->bass_level;
594 int treble = emu->treble_level;
595
596 if (bass < 0 || bass > 11 || treble < 0 || treble > 11)
597 return;
598 EMU8000_INIT4_WRITE(emu, 0x01, bass_parm[bass][0]);
599 EMU8000_INIT4_WRITE(emu, 0x11, bass_parm[bass][1]);
600 EMU8000_INIT3_WRITE(emu, 0x11, treble_parm[treble][0]);
601 EMU8000_INIT3_WRITE(emu, 0x13, treble_parm[treble][1]);
602 EMU8000_INIT3_WRITE(emu, 0x1b, treble_parm[treble][2]);
603 EMU8000_INIT4_WRITE(emu, 0x07, treble_parm[treble][3]);
604 EMU8000_INIT4_WRITE(emu, 0x0b, treble_parm[treble][4]);
605 EMU8000_INIT4_WRITE(emu, 0x0d, treble_parm[treble][5]);
606 EMU8000_INIT4_WRITE(emu, 0x17, treble_parm[treble][6]);
607 EMU8000_INIT4_WRITE(emu, 0x19, treble_parm[treble][7]);
608 w = bass_parm[bass][2] + treble_parm[treble][8];
609 EMU8000_INIT4_WRITE(emu, 0x15, (unsigned short)(w + 0x0262));
610 EMU8000_INIT4_WRITE(emu, 0x1d, (unsigned short)(w + 0x8362));
611 }
612
613
614 /*----------------------------------------------------------------
615 * Chorus mode control
616 *----------------------------------------------------------------*/
617
618 /*
619 * chorus mode parameters
620 */
621 #define SNDRV_EMU8000_CHORUS_1 0
622 #define SNDRV_EMU8000_CHORUS_2 1
623 #define SNDRV_EMU8000_CHORUS_3 2
624 #define SNDRV_EMU8000_CHORUS_4 3
625 #define SNDRV_EMU8000_CHORUS_FEEDBACK 4
626 #define SNDRV_EMU8000_CHORUS_FLANGER 5
627 #define SNDRV_EMU8000_CHORUS_SHORTDELAY 6
628 #define SNDRV_EMU8000_CHORUS_SHORTDELAY2 7
629 #define SNDRV_EMU8000_CHORUS_PREDEFINED 8
630 /* user can define chorus modes up to 32 */
631 #define SNDRV_EMU8000_CHORUS_NUMBERS 32
632
633 struct soundfont_chorus_fx {
634 unsigned short feedback; /* feedback level (0xE600-0xE6FF) */
635 unsigned short delay_offset; /* delay (0-0x0DA3) [1/44100 sec] */
636 unsigned short lfo_depth; /* LFO depth (0xBC00-0xBCFF) */
637 unsigned int delay; /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */
638 unsigned int lfo_freq; /* LFO freq LFO freq (0-0xFFFFFFFF) */
639 };
640
641 /* 5 parameters for each chorus mode; 3 x 16bit, 2 x 32bit */
642 static char chorus_defined[SNDRV_EMU8000_CHORUS_NUMBERS];
643 static struct soundfont_chorus_fx chorus_parm[SNDRV_EMU8000_CHORUS_NUMBERS] = {
644 {0xE600, 0x03F6, 0xBC2C ,0x00000000, 0x0000006D}, /* chorus 1 */
645 {0xE608, 0x031A, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 2 */
646 {0xE610, 0x031A, 0xBC84, 0x00000000, 0x00000083}, /* chorus 3 */
647 {0xE620, 0x0269, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 4 */
648 {0xE680, 0x04D3, 0xBCA6, 0x00000000, 0x0000005B}, /* feedback */
649 {0xE6E0, 0x044E, 0xBC37, 0x00000000, 0x00000026}, /* flanger */
650 {0xE600, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay */
651 {0xE6C0, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay + feedback */
652 };
653
654 /*exported*/ int
655 snd_emu8000_load_chorus_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len)
656 {
657 struct soundfont_chorus_fx rec;
658 if (mode < SNDRV_EMU8000_CHORUS_PREDEFINED || mode >= SNDRV_EMU8000_CHORUS_NUMBERS) {
659 snd_printk(KERN_WARNING "invalid chorus mode %d for uploading\n", mode);
660 return -EINVAL;
661 }
662 if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec)))
663 return -EFAULT;
664 chorus_parm[mode] = rec;
665 chorus_defined[mode] = 1;
666 return 0;
667 }
668
669 /*exported*/ void
670 snd_emu8000_update_chorus_mode(struct snd_emu8000 *emu)
671 {
672 int effect = emu->chorus_mode;
673 if (effect < 0 || effect >= SNDRV_EMU8000_CHORUS_NUMBERS ||
674 (effect >= SNDRV_EMU8000_CHORUS_PREDEFINED && !chorus_defined[effect]))
675 return;
676 EMU8000_INIT3_WRITE(emu, 0x09, chorus_parm[effect].feedback);
677 EMU8000_INIT3_WRITE(emu, 0x0c, chorus_parm[effect].delay_offset);
678 EMU8000_INIT4_WRITE(emu, 0x03, chorus_parm[effect].lfo_depth);
679 EMU8000_HWCF4_WRITE(emu, chorus_parm[effect].delay);
680 EMU8000_HWCF5_WRITE(emu, chorus_parm[effect].lfo_freq);
681 EMU8000_HWCF6_WRITE(emu, 0x8000);
682 EMU8000_HWCF7_WRITE(emu, 0x0000);
683 }
684
685 /*----------------------------------------------------------------
686 * Reverb mode control
687 *----------------------------------------------------------------*/
688
689 /*
690 * reverb mode parameters
691 */
692 #define SNDRV_EMU8000_REVERB_ROOM1 0
693 #define SNDRV_EMU8000_REVERB_ROOM2 1
694 #define SNDRV_EMU8000_REVERB_ROOM3 2
695 #define SNDRV_EMU8000_REVERB_HALL1 3
696 #define SNDRV_EMU8000_REVERB_HALL2 4
697 #define SNDRV_EMU8000_REVERB_PLATE 5
698 #define SNDRV_EMU8000_REVERB_DELAY 6
699 #define SNDRV_EMU8000_REVERB_PANNINGDELAY 7
700 #define SNDRV_EMU8000_REVERB_PREDEFINED 8
701 /* user can define reverb modes up to 32 */
702 #define SNDRV_EMU8000_REVERB_NUMBERS 32
703
704 struct soundfont_reverb_fx {
705 unsigned short parms[28];
706 };
707
708 /* reverb mode settings; write the following 28 data of 16 bit length
709 * on the corresponding ports in the reverb_cmds array
710 */
711 static char reverb_defined[SNDRV_EMU8000_CHORUS_NUMBERS];
712 static struct soundfont_reverb_fx reverb_parm[SNDRV_EMU8000_REVERB_NUMBERS] = {
713 {{ /* room 1 */
714 0xB488, 0xA450, 0x9550, 0x84B5, 0x383A, 0x3EB5, 0x72F4,
715 0x72A4, 0x7254, 0x7204, 0x7204, 0x7204, 0x4416, 0x4516,
716 0xA490, 0xA590, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
717 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
718 }},
719 {{ /* room 2 */
720 0xB488, 0xA458, 0x9558, 0x84B5, 0x383A, 0x3EB5, 0x7284,
721 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548,
722 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
723 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
724 }},
725 {{ /* room 3 */
726 0xB488, 0xA460, 0x9560, 0x84B5, 0x383A, 0x3EB5, 0x7284,
727 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4416, 0x4516,
728 0xA490, 0xA590, 0x842C, 0x852C, 0x842C, 0x852C, 0x842B,
729 0x852B, 0x842B, 0x852B, 0x842A, 0x852A, 0x842A, 0x852A,
730 }},
731 {{ /* hall 1 */
732 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7284,
733 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548,
734 0xA440, 0xA540, 0x842B, 0x852B, 0x842B, 0x852B, 0x842A,
735 0x852A, 0x842A, 0x852A, 0x8429, 0x8529, 0x8429, 0x8529,
736 }},
737 {{ /* hall 2 */
738 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7254,
739 0x7234, 0x7224, 0x7254, 0x7264, 0x7294, 0x44C3, 0x45C3,
740 0xA404, 0xA504, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
741 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
742 }},
743 {{ /* plate */
744 0xB4FF, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7234,
745 0x7234, 0x7234, 0x7234, 0x7234, 0x7234, 0x4448, 0x4548,
746 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429,
747 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528,
748 }},
749 {{ /* delay */
750 0xB4FF, 0xA470, 0x9500, 0x84B5, 0x333A, 0x39B5, 0x7204,
751 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500,
752 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420,
753 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520,
754 }},
755 {{ /* panning delay */
756 0xB4FF, 0xA490, 0x9590, 0x8474, 0x333A, 0x39B5, 0x7204,
757 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500,
758 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420,
759 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520,
760 }},
761 };
762
763 enum { DATA1, DATA2 };
764 #define AWE_INIT1(c) EMU8000_CMD(2,c), DATA1
765 #define AWE_INIT2(c) EMU8000_CMD(2,c), DATA2
766 #define AWE_INIT3(c) EMU8000_CMD(3,c), DATA1
767 #define AWE_INIT4(c) EMU8000_CMD(3,c), DATA2
768
769 static struct reverb_cmd_pair {
770 unsigned short cmd, port;
771 } reverb_cmds[28] = {
772 {AWE_INIT1(0x03)}, {AWE_INIT1(0x05)}, {AWE_INIT4(0x1F)}, {AWE_INIT1(0x07)},
773 {AWE_INIT2(0x14)}, {AWE_INIT2(0x16)}, {AWE_INIT1(0x0F)}, {AWE_INIT1(0x17)},
774 {AWE_INIT1(0x1F)}, {AWE_INIT2(0x07)}, {AWE_INIT2(0x0F)}, {AWE_INIT2(0x17)},
775 {AWE_INIT2(0x1D)}, {AWE_INIT2(0x1F)}, {AWE_INIT3(0x01)}, {AWE_INIT3(0x03)},
776 {AWE_INIT1(0x09)}, {AWE_INIT1(0x0B)}, {AWE_INIT1(0x11)}, {AWE_INIT1(0x13)},
777 {AWE_INIT1(0x19)}, {AWE_INIT1(0x1B)}, {AWE_INIT2(0x01)}, {AWE_INIT2(0x03)},
778 {AWE_INIT2(0x09)}, {AWE_INIT2(0x0B)}, {AWE_INIT2(0x11)}, {AWE_INIT2(0x13)},
779 };
780
781 /*exported*/ int
782 snd_emu8000_load_reverb_fx(struct snd_emu8000 *emu, int mode, const void __user *buf, long len)
783 {
784 struct soundfont_reverb_fx rec;
785
786 if (mode < SNDRV_EMU8000_REVERB_PREDEFINED || mode >= SNDRV_EMU8000_REVERB_NUMBERS) {
787 snd_printk(KERN_WARNING "invalid reverb mode %d for uploading\n", mode);
788 return -EINVAL;
789 }
790 if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec)))
791 return -EFAULT;
792 reverb_parm[mode] = rec;
793 reverb_defined[mode] = 1;
794 return 0;
795 }
796
797 /*exported*/ void
798 snd_emu8000_update_reverb_mode(struct snd_emu8000 *emu)
799 {
800 int effect = emu->reverb_mode;
801 int i;
802
803 if (effect < 0 || effect >= SNDRV_EMU8000_REVERB_NUMBERS ||
804 (effect >= SNDRV_EMU8000_REVERB_PREDEFINED && !reverb_defined[effect]))
805 return;
806 for (i = 0; i < 28; i++) {
807 int port;
808 if (reverb_cmds[i].port == DATA1)
809 port = EMU8000_DATA1(emu);
810 else
811 port = EMU8000_DATA2(emu);
812 snd_emu8000_poke(emu, port, reverb_cmds[i].cmd, reverb_parm[effect].parms[i]);
813 }
814 }
815
816
817 /*----------------------------------------------------------------
818 * mixer interface
819 *----------------------------------------------------------------*/
820
821 /*
822 * bass/treble
823 */
824 static int mixer_bass_treble_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
825 {
826 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
827 uinfo->count = 1;
828 uinfo->value.integer.min = 0;
829 uinfo->value.integer.max = 11;
830 return 0;
831 }
832
833 static int mixer_bass_treble_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
834 {
835 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
836
837 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->treble_level : emu->bass_level;
838 return 0;
839 }
840
841 static int mixer_bass_treble_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
842 {
843 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
844 unsigned long flags;
845 int change;
846 unsigned short val1;
847
848 val1 = ucontrol->value.integer.value[0] % 12;
849 spin_lock_irqsave(&emu->control_lock, flags);
850 if (kcontrol->private_value) {
851 change = val1 != emu->treble_level;
852 emu->treble_level = val1;
853 } else {
854 change = val1 != emu->bass_level;
855 emu->bass_level = val1;
856 }
857 spin_unlock_irqrestore(&emu->control_lock, flags);
858 snd_emu8000_update_equalizer(emu);
859 return change;
860 }
861
862 static struct snd_kcontrol_new mixer_bass_control =
863 {
864 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
865 .name = "Synth Tone Control - Bass",
866 .info = mixer_bass_treble_info,
867 .get = mixer_bass_treble_get,
868 .put = mixer_bass_treble_put,
869 .private_value = 0,
870 };
871
872 static struct snd_kcontrol_new mixer_treble_control =
873 {
874 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
875 .name = "Synth Tone Control - Treble",
876 .info = mixer_bass_treble_info,
877 .get = mixer_bass_treble_get,
878 .put = mixer_bass_treble_put,
879 .private_value = 1,
880 };
881
882 /*
883 * chorus/reverb mode
884 */
885 static int mixer_chorus_reverb_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
886 {
887 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
888 uinfo->count = 1;
889 uinfo->value.integer.min = 0;
890 uinfo->value.integer.max = kcontrol->private_value ? (SNDRV_EMU8000_CHORUS_NUMBERS-1) : (SNDRV_EMU8000_REVERB_NUMBERS-1);
891 return 0;
892 }
893
894 static int mixer_chorus_reverb_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
895 {
896 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
897
898 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->chorus_mode : emu->reverb_mode;
899 return 0;
900 }
901
902 static int mixer_chorus_reverb_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
903 {
904 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
905 unsigned long flags;
906 int change;
907 unsigned short val1;
908
909 spin_lock_irqsave(&emu->control_lock, flags);
910 if (kcontrol->private_value) {
911 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_CHORUS_NUMBERS;
912 change = val1 != emu->chorus_mode;
913 emu->chorus_mode = val1;
914 } else {
915 val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_REVERB_NUMBERS;
916 change = val1 != emu->reverb_mode;
917 emu->reverb_mode = val1;
918 }
919 spin_unlock_irqrestore(&emu->control_lock, flags);
920 if (change) {
921 if (kcontrol->private_value)
922 snd_emu8000_update_chorus_mode(emu);
923 else
924 snd_emu8000_update_reverb_mode(emu);
925 }
926 return change;
927 }
928
929 static struct snd_kcontrol_new mixer_chorus_mode_control =
930 {
931 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
932 .name = "Chorus Mode",
933 .info = mixer_chorus_reverb_info,
934 .get = mixer_chorus_reverb_get,
935 .put = mixer_chorus_reverb_put,
936 .private_value = 1,
937 };
938
939 static struct snd_kcontrol_new mixer_reverb_mode_control =
940 {
941 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
942 .name = "Reverb Mode",
943 .info = mixer_chorus_reverb_info,
944 .get = mixer_chorus_reverb_get,
945 .put = mixer_chorus_reverb_put,
946 .private_value = 0,
947 };
948
949 /*
950 * FM OPL3 chorus/reverb depth
951 */
952 static int mixer_fm_depth_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
953 {
954 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
955 uinfo->count = 1;
956 uinfo->value.integer.min = 0;
957 uinfo->value.integer.max = 255;
958 return 0;
959 }
960
961 static int mixer_fm_depth_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
962 {
963 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
964
965 ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->fm_chorus_depth : emu->fm_reverb_depth;
966 return 0;
967 }
968
969 static int mixer_fm_depth_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
970 {
971 struct snd_emu8000 *emu = snd_kcontrol_chip(kcontrol);
972 unsigned long flags;
973 int change;
974 unsigned short val1;
975
976 val1 = ucontrol->value.integer.value[0] % 256;
977 spin_lock_irqsave(&emu->control_lock, flags);
978 if (kcontrol->private_value) {
979 change = val1 != emu->fm_chorus_depth;
980 emu->fm_chorus_depth = val1;
981 } else {
982 change = val1 != emu->fm_reverb_depth;
983 emu->fm_reverb_depth = val1;
984 }
985 spin_unlock_irqrestore(&emu->control_lock, flags);
986 if (change)
987 snd_emu8000_init_fm(emu);
988 return change;
989 }
990
991 static struct snd_kcontrol_new mixer_fm_chorus_depth_control =
992 {
993 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
994 .name = "FM Chorus Depth",
995 .info = mixer_fm_depth_info,
996 .get = mixer_fm_depth_get,
997 .put = mixer_fm_depth_put,
998 .private_value = 1,
999 };
1000
1001 static struct snd_kcontrol_new mixer_fm_reverb_depth_control =
1002 {
1003 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1004 .name = "FM Reverb Depth",
1005 .info = mixer_fm_depth_info,
1006 .get = mixer_fm_depth_get,
1007 .put = mixer_fm_depth_put,
1008 .private_value = 0,
1009 };
1010
1011
1012 static struct snd_kcontrol_new *mixer_defs[EMU8000_NUM_CONTROLS] = {
1013 &mixer_bass_control,
1014 &mixer_treble_control,
1015 &mixer_chorus_mode_control,
1016 &mixer_reverb_mode_control,
1017 &mixer_fm_chorus_depth_control,
1018 &mixer_fm_reverb_depth_control,
1019 };
1020
1021 /*
1022 * create and attach mixer elements for WaveTable treble/bass controls
1023 */
1024 static int __devinit
1025 snd_emu8000_create_mixer(struct snd_card *card, struct snd_emu8000 *emu)
1026 {
1027 int i, err = 0;
1028
1029 if (snd_BUG_ON(!emu || !card))
1030 return -EINVAL;
1031
1032 spin_lock_init(&emu->control_lock);
1033
1034 memset(emu->controls, 0, sizeof(emu->controls));
1035 for (i = 0; i < EMU8000_NUM_CONTROLS; i++) {
1036 if ((err = snd_ctl_add(card, emu->controls[i] = snd_ctl_new1(mixer_defs[i], emu))) < 0)
1037 goto __error;
1038 }
1039 return 0;
1040
1041 __error:
1042 for (i = 0; i < EMU8000_NUM_CONTROLS; i++) {
1043 down_write(&card->controls_rwsem);
1044 if (emu->controls[i])
1045 snd_ctl_remove(card, emu->controls[i]);
1046 up_write(&card->controls_rwsem);
1047 }
1048 return err;
1049 }
1050
1051
1052 /*
1053 * free resources
1054 */
1055 static int snd_emu8000_free(struct snd_emu8000 *hw)
1056 {
1057 release_and_free_resource(hw->res_port1);
1058 release_and_free_resource(hw->res_port2);
1059 release_and_free_resource(hw->res_port3);
1060 kfree(hw);
1061 return 0;
1062 }
1063
1064 /*
1065 */
1066 static int snd_emu8000_dev_free(struct snd_device *device)
1067 {
1068 struct snd_emu8000 *hw = device->device_data;
1069 return snd_emu8000_free(hw);
1070 }
1071
1072 /*
1073 * initialize and register emu8000 synth device.
1074 */
1075 int __devinit
1076 snd_emu8000_new(struct snd_card *card, int index, long port, int seq_ports,
1077 struct snd_seq_device **awe_ret)
1078 {
1079 struct snd_seq_device *awe;
1080 struct snd_emu8000 *hw;
1081 int err;
1082 static struct snd_device_ops ops = {
1083 .dev_free = snd_emu8000_dev_free,
1084 };
1085
1086 if (awe_ret)
1087 *awe_ret = NULL;
1088
1089 if (seq_ports <= 0)
1090 return 0;
1091
1092 hw = kzalloc(sizeof(*hw), GFP_KERNEL);
1093 if (hw == NULL)
1094 return -ENOMEM;
1095 spin_lock_init(&hw->reg_lock);
1096 hw->index = index;
1097 hw->port1 = port;
1098 hw->port2 = port + 0x400;
1099 hw->port3 = port + 0x800;
1100 if (!(hw->res_port1 = request_region(hw->port1, 4, "Emu8000-1")) ||
1101 !(hw->res_port2 = request_region(hw->port2, 4, "Emu8000-2")) ||
1102 !(hw->res_port3 = request_region(hw->port3, 4, "Emu8000-3"))) {
1103 snd_printk(KERN_ERR "sbawe: can't grab ports 0x%lx, 0x%lx, 0x%lx\n", hw->port1, hw->port2, hw->port3);
1104 snd_emu8000_free(hw);
1105 return -EBUSY;
1106 }
1107 hw->mem_size = 0;
1108 hw->card = card;
1109 hw->seq_ports = seq_ports;
1110 hw->bass_level = 5;
1111 hw->treble_level = 9;
1112 hw->chorus_mode = 2;
1113 hw->reverb_mode = 4;
1114 hw->fm_chorus_depth = 0;
1115 hw->fm_reverb_depth = 0;
1116
1117 if (snd_emu8000_detect(hw) < 0) {
1118 snd_emu8000_free(hw);
1119 return -ENODEV;
1120 }
1121
1122 snd_emu8000_init_hw(hw);
1123 if ((err = snd_emu8000_create_mixer(card, hw)) < 0) {
1124 snd_emu8000_free(hw);
1125 return err;
1126 }
1127
1128 if ((err = snd_device_new(card, SNDRV_DEV_CODEC, hw, &ops)) < 0) {
1129 snd_emu8000_free(hw);
1130 return err;
1131 }
1132 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
1133 if (snd_seq_device_new(card, index, SNDRV_SEQ_DEV_ID_EMU8000,
1134 sizeof(struct snd_emu8000*), &awe) >= 0) {
1135 strcpy(awe->name, "EMU-8000");
1136 *(struct snd_emu8000 **)SNDRV_SEQ_DEVICE_ARGPTR(awe) = hw;
1137 }
1138 #else
1139 awe = NULL;
1140 #endif
1141 if (awe_ret)
1142 *awe_ret = awe;
1143
1144 return 0;
1145 }
1146
1147
1148 /*
1149 * exported stuff
1150 */
1151
1152 EXPORT_SYMBOL(snd_emu8000_poke);
1153 EXPORT_SYMBOL(snd_emu8000_peek);
1154 EXPORT_SYMBOL(snd_emu8000_poke_dw);
1155 EXPORT_SYMBOL(snd_emu8000_peek_dw);
1156 EXPORT_SYMBOL(snd_emu8000_dma_chan);
1157 EXPORT_SYMBOL(snd_emu8000_init_fm);
1158 EXPORT_SYMBOL(snd_emu8000_load_chorus_fx);
1159 EXPORT_SYMBOL(snd_emu8000_load_reverb_fx);
1160 EXPORT_SYMBOL(snd_emu8000_update_chorus_mode);
1161 EXPORT_SYMBOL(snd_emu8000_update_reverb_mode);
1162 EXPORT_SYMBOL(snd_emu8000_update_equalizer);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree