sb_mixer.c 19 KB

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  1. /*
  2. * sound/oss/sb_mixer.c
  3. *
  4. * The low level mixer driver for the Sound Blaster compatible cards.
  5. */
  6. /*
  7. * Copyright (C) by Hannu Savolainen 1993-1997
  8. *
  9. * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
  10. * Version 2 (June 1991). See the "COPYING" file distributed with this software
  11. * for more info.
  12. *
  13. *
  14. * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed)
  15. * Rolf Fokkens (Dec 20 1998) : Moved ESS stuff into sb_ess.[ch]
  16. * Stanislav Voronyi <stas@esc.kharkov.com> : Support for AWE 3DSE device (Jun 7 1999)
  17. */
  18. #include "sound_config.h"
  19. #define __SB_MIXER_C__
  20. #include "sb.h"
  21. #include "sb_mixer.h"
  22. #include "sb_ess.h"
  23. #define SBPRO_RECORDING_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
  24. /* Same as SB Pro, unless I find otherwise */
  25. #define SGNXPRO_RECORDING_DEVICES SBPRO_RECORDING_DEVICES
  26. #define SBPRO_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  27. SOUND_MASK_CD | SOUND_MASK_VOLUME)
  28. /* SG NX Pro has treble and bass settings on the mixer. The 'speaker'
  29. * channel is the COVOX/DisneySoundSource emulation volume control
  30. * on the mixer. It does NOT control speaker volume. Should have own
  31. * mask eventually?
  32. */
  33. #define SGNXPRO_MIXER_DEVICES (SBPRO_MIXER_DEVICES|SOUND_MASK_BASS| \
  34. SOUND_MASK_TREBLE|SOUND_MASK_SPEAKER )
  35. #define SB16_RECORDING_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  36. SOUND_MASK_CD)
  37. #define SB16_OUTFILTER_DEVICES (SOUND_MASK_LINE | SOUND_MASK_MIC | \
  38. SOUND_MASK_CD)
  39. #define SB16_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | SOUND_MASK_LINE | SOUND_MASK_MIC | \
  40. SOUND_MASK_CD | \
  41. SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | \
  42. SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE | \
  43. SOUND_MASK_IMIX)
  44. /* These are the only devices that are working at the moment. Others could
  45. * be added once they are identified and a method is found to control them.
  46. */
  47. #define ALS007_MIXER_DEVICES (SOUND_MASK_SYNTH | SOUND_MASK_LINE | \
  48. SOUND_MASK_PCM | SOUND_MASK_MIC | \
  49. SOUND_MASK_CD | \
  50. SOUND_MASK_VOLUME)
  51. static mixer_tab sbpro_mix = {
  52. MIX_ENT(SOUND_MIXER_VOLUME, 0x22, 7, 4, 0x22, 3, 4),
  53. MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0),
  54. MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0),
  55. MIX_ENT(SOUND_MIXER_SYNTH, 0x26, 7, 4, 0x26, 3, 4),
  56. MIX_ENT(SOUND_MIXER_PCM, 0x04, 7, 4, 0x04, 3, 4),
  57. MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
  58. MIX_ENT(SOUND_MIXER_LINE, 0x2e, 7, 4, 0x2e, 3, 4),
  59. MIX_ENT(SOUND_MIXER_MIC, 0x0a, 2, 3, 0x00, 0, 0),
  60. MIX_ENT(SOUND_MIXER_CD, 0x28, 7, 4, 0x28, 3, 4),
  61. MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
  62. MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
  63. MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0)
  64. };
  65. static mixer_tab sb16_mix = {
  66. MIX_ENT(SOUND_MIXER_VOLUME, 0x30, 7, 5, 0x31, 7, 5),
  67. MIX_ENT(SOUND_MIXER_BASS, 0x46, 7, 4, 0x47, 7, 4),
  68. MIX_ENT(SOUND_MIXER_TREBLE, 0x44, 7, 4, 0x45, 7, 4),
  69. MIX_ENT(SOUND_MIXER_SYNTH, 0x34, 7, 5, 0x35, 7, 5),
  70. MIX_ENT(SOUND_MIXER_PCM, 0x32, 7, 5, 0x33, 7, 5),
  71. MIX_ENT(SOUND_MIXER_SPEAKER, 0x3b, 7, 2, 0x00, 0, 0),
  72. MIX_ENT(SOUND_MIXER_LINE, 0x38, 7, 5, 0x39, 7, 5),
  73. MIX_ENT(SOUND_MIXER_MIC, 0x3a, 7, 5, 0x00, 0, 0),
  74. MIX_ENT(SOUND_MIXER_CD, 0x36, 7, 5, 0x37, 7, 5),
  75. MIX_ENT(SOUND_MIXER_IMIX, 0x3c, 0, 1, 0x00, 0, 0),
  76. MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
  77. MIX_ENT(SOUND_MIXER_RECLEV, 0x3f, 7, 2, 0x40, 7, 2), /* Obsolete. Use IGAIN */
  78. MIX_ENT(SOUND_MIXER_IGAIN, 0x3f, 7, 2, 0x40, 7, 2),
  79. MIX_ENT(SOUND_MIXER_OGAIN, 0x41, 7, 2, 0x42, 7, 2)
  80. };
  81. static mixer_tab als007_mix =
  82. {
  83. MIX_ENT(SOUND_MIXER_VOLUME, 0x62, 7, 4, 0x62, 3, 4),
  84. MIX_ENT(SOUND_MIXER_BASS, 0x00, 0, 0, 0x00, 0, 0),
  85. MIX_ENT(SOUND_MIXER_TREBLE, 0x00, 0, 0, 0x00, 0, 0),
  86. MIX_ENT(SOUND_MIXER_SYNTH, 0x66, 7, 4, 0x66, 3, 4),
  87. MIX_ENT(SOUND_MIXER_PCM, 0x64, 7, 4, 0x64, 3, 4),
  88. MIX_ENT(SOUND_MIXER_SPEAKER, 0x00, 0, 0, 0x00, 0, 0),
  89. MIX_ENT(SOUND_MIXER_LINE, 0x6e, 7, 4, 0x6e, 3, 4),
  90. MIX_ENT(SOUND_MIXER_MIC, 0x6a, 2, 3, 0x00, 0, 0),
  91. MIX_ENT(SOUND_MIXER_CD, 0x68, 7, 4, 0x68, 3, 4),
  92. MIX_ENT(SOUND_MIXER_IMIX, 0x00, 0, 0, 0x00, 0, 0),
  93. MIX_ENT(SOUND_MIXER_ALTPCM, 0x00, 0, 0, 0x00, 0, 0),
  94. MIX_ENT(SOUND_MIXER_RECLEV, 0x00, 0, 0, 0x00, 0, 0), /* Obsolete. Use IGAIN */
  95. MIX_ENT(SOUND_MIXER_IGAIN, 0x00, 0, 0, 0x00, 0, 0),
  96. MIX_ENT(SOUND_MIXER_OGAIN, 0x00, 0, 0, 0x00, 0, 0)
  97. };
  98. /* SM_GAMES Master volume is lower and PCM & FM volumes
  99. higher than with SB Pro. This improves the
  100. sound quality */
  101. static int smg_default_levels[32] =
  102. {
  103. 0x2020, /* Master Volume */
  104. 0x4b4b, /* Bass */
  105. 0x4b4b, /* Treble */
  106. 0x6464, /* FM */
  107. 0x6464, /* PCM */
  108. 0x4b4b, /* PC Speaker */
  109. 0x4b4b, /* Ext Line */
  110. 0x0000, /* Mic */
  111. 0x4b4b, /* CD */
  112. 0x4b4b, /* Recording monitor */
  113. 0x4b4b, /* SB PCM */
  114. 0x4b4b, /* Recording level */
  115. 0x4b4b, /* Input gain */
  116. 0x4b4b, /* Output gain */
  117. 0x4040, /* Line1 */
  118. 0x4040, /* Line2 */
  119. 0x1515 /* Line3 */
  120. };
  121. static int sb_default_levels[32] =
  122. {
  123. 0x5a5a, /* Master Volume */
  124. 0x4b4b, /* Bass */
  125. 0x4b4b, /* Treble */
  126. 0x4b4b, /* FM */
  127. 0x4b4b, /* PCM */
  128. 0x4b4b, /* PC Speaker */
  129. 0x4b4b, /* Ext Line */
  130. 0x1010, /* Mic */
  131. 0x4b4b, /* CD */
  132. 0x0000, /* Recording monitor */
  133. 0x4b4b, /* SB PCM */
  134. 0x4b4b, /* Recording level */
  135. 0x4b4b, /* Input gain */
  136. 0x4b4b, /* Output gain */
  137. 0x4040, /* Line1 */
  138. 0x4040, /* Line2 */
  139. 0x1515 /* Line3 */
  140. };
  141. static unsigned char sb16_recmasks_L[SOUND_MIXER_NRDEVICES] =
  142. {
  143. 0x00, /* SOUND_MIXER_VOLUME */
  144. 0x00, /* SOUND_MIXER_BASS */
  145. 0x00, /* SOUND_MIXER_TREBLE */
  146. 0x40, /* SOUND_MIXER_SYNTH */
  147. 0x00, /* SOUND_MIXER_PCM */
  148. 0x00, /* SOUND_MIXER_SPEAKER */
  149. 0x10, /* SOUND_MIXER_LINE */
  150. 0x01, /* SOUND_MIXER_MIC */
  151. 0x04, /* SOUND_MIXER_CD */
  152. 0x00, /* SOUND_MIXER_IMIX */
  153. 0x00, /* SOUND_MIXER_ALTPCM */
  154. 0x00, /* SOUND_MIXER_RECLEV */
  155. 0x00, /* SOUND_MIXER_IGAIN */
  156. 0x00 /* SOUND_MIXER_OGAIN */
  157. };
  158. static unsigned char sb16_recmasks_R[SOUND_MIXER_NRDEVICES] =
  159. {
  160. 0x00, /* SOUND_MIXER_VOLUME */
  161. 0x00, /* SOUND_MIXER_BASS */
  162. 0x00, /* SOUND_MIXER_TREBLE */
  163. 0x20, /* SOUND_MIXER_SYNTH */
  164. 0x00, /* SOUND_MIXER_PCM */
  165. 0x00, /* SOUND_MIXER_SPEAKER */
  166. 0x08, /* SOUND_MIXER_LINE */
  167. 0x01, /* SOUND_MIXER_MIC */
  168. 0x02, /* SOUND_MIXER_CD */
  169. 0x00, /* SOUND_MIXER_IMIX */
  170. 0x00, /* SOUND_MIXER_ALTPCM */
  171. 0x00, /* SOUND_MIXER_RECLEV */
  172. 0x00, /* SOUND_MIXER_IGAIN */
  173. 0x00 /* SOUND_MIXER_OGAIN */
  174. };
  175. static char smw_mix_regs[] = /* Left mixer registers */
  176. {
  177. 0x0b, /* SOUND_MIXER_VOLUME */
  178. 0x0d, /* SOUND_MIXER_BASS */
  179. 0x0d, /* SOUND_MIXER_TREBLE */
  180. 0x05, /* SOUND_MIXER_SYNTH */
  181. 0x09, /* SOUND_MIXER_PCM */
  182. 0x00, /* SOUND_MIXER_SPEAKER */
  183. 0x03, /* SOUND_MIXER_LINE */
  184. 0x01, /* SOUND_MIXER_MIC */
  185. 0x07, /* SOUND_MIXER_CD */
  186. 0x00, /* SOUND_MIXER_IMIX */
  187. 0x00, /* SOUND_MIXER_ALTPCM */
  188. 0x00, /* SOUND_MIXER_RECLEV */
  189. 0x00, /* SOUND_MIXER_IGAIN */
  190. 0x00, /* SOUND_MIXER_OGAIN */
  191. 0x00, /* SOUND_MIXER_LINE1 */
  192. 0x00, /* SOUND_MIXER_LINE2 */
  193. 0x00 /* SOUND_MIXER_LINE3 */
  194. };
  195. static int sbmixnum = 1;
  196. static void sb_mixer_reset(sb_devc * devc);
  197. void sb_mixer_set_stereo(sb_devc * devc, int mode)
  198. {
  199. sb_chgmixer(devc, OUT_FILTER, STEREO_DAC, (mode ? STEREO_DAC : MONO_DAC));
  200. }
  201. static int detect_mixer(sb_devc * devc)
  202. {
  203. /* Just trust the mixer is there */
  204. return 1;
  205. }
  206. static void change_bits(sb_devc * devc, unsigned char *regval, int dev, int chn, int newval)
  207. {
  208. unsigned char mask;
  209. int shift;
  210. mask = (1 << (*devc->iomap)[dev][chn].nbits) - 1;
  211. newval = (int) ((newval * mask) + 50) / 100; /* Scale */
  212. shift = (*devc->iomap)[dev][chn].bitoffs - (*devc->iomap)[dev][LEFT_CHN].nbits + 1;
  213. *regval &= ~(mask << shift); /* Mask out previous value */
  214. *regval |= (newval & mask) << shift; /* Set the new value */
  215. }
  216. static int sb_mixer_get(sb_devc * devc, int dev)
  217. {
  218. if (!((1 << dev) & devc->supported_devices))
  219. return -EINVAL;
  220. return devc->levels[dev];
  221. }
  222. void smw_mixer_init(sb_devc * devc)
  223. {
  224. int i;
  225. sb_setmixer(devc, 0x00, 0x18); /* Mute unused (Telephone) line */
  226. sb_setmixer(devc, 0x10, 0x38); /* Config register 2 */
  227. devc->supported_devices = 0;
  228. for (i = 0; i < sizeof(smw_mix_regs); i++)
  229. if (smw_mix_regs[i] != 0)
  230. devc->supported_devices |= (1 << i);
  231. devc->supported_rec_devices = devc->supported_devices &
  232. ~(SOUND_MASK_BASS | SOUND_MASK_TREBLE | SOUND_MASK_PCM | SOUND_MASK_VOLUME);
  233. sb_mixer_reset(devc);
  234. }
  235. int sb_common_mixer_set(sb_devc * devc, int dev, int left, int right)
  236. {
  237. int regoffs;
  238. unsigned char val;
  239. if ((dev < 0) || (dev >= devc->iomap_sz))
  240. return -EINVAL;
  241. regoffs = (*devc->iomap)[dev][LEFT_CHN].regno;
  242. if (regoffs == 0)
  243. return -EINVAL;
  244. val = sb_getmixer(devc, regoffs);
  245. change_bits(devc, &val, dev, LEFT_CHN, left);
  246. if ((*devc->iomap)[dev][RIGHT_CHN].regno != regoffs) /*
  247. * Change register
  248. */
  249. {
  250. sb_setmixer(devc, regoffs, val); /*
  251. * Save the old one
  252. */
  253. regoffs = (*devc->iomap)[dev][RIGHT_CHN].regno;
  254. if (regoffs == 0)
  255. return left | (left << 8); /*
  256. * Just left channel present
  257. */
  258. val = sb_getmixer(devc, regoffs); /*
  259. * Read the new one
  260. */
  261. }
  262. change_bits(devc, &val, dev, RIGHT_CHN, right);
  263. sb_setmixer(devc, regoffs, val);
  264. return left | (right << 8);
  265. }
  266. static int smw_mixer_set(sb_devc * devc, int dev, int left, int right)
  267. {
  268. int reg, val;
  269. switch (dev)
  270. {
  271. case SOUND_MIXER_VOLUME:
  272. sb_setmixer(devc, 0x0b, 96 - (96 * left / 100)); /* 96=mute, 0=max */
  273. sb_setmixer(devc, 0x0c, 96 - (96 * right / 100));
  274. break;
  275. case SOUND_MIXER_BASS:
  276. case SOUND_MIXER_TREBLE:
  277. devc->levels[dev] = left | (right << 8);
  278. /* Set left bass and treble values */
  279. val = ((devc->levels[SOUND_MIXER_TREBLE] & 0xff) * 16 / (unsigned) 100) << 4;
  280. val |= ((devc->levels[SOUND_MIXER_BASS] & 0xff) * 16 / (unsigned) 100) & 0x0f;
  281. sb_setmixer(devc, 0x0d, val);
  282. /* Set right bass and treble values */
  283. val = (((devc->levels[SOUND_MIXER_TREBLE] >> 8) & 0xff) * 16 / (unsigned) 100) << 4;
  284. val |= (((devc->levels[SOUND_MIXER_BASS] >> 8) & 0xff) * 16 / (unsigned) 100) & 0x0f;
  285. sb_setmixer(devc, 0x0e, val);
  286. break;
  287. default:
  288. /* bounds check */
  289. if (dev < 0 || dev >= ARRAY_SIZE(smw_mix_regs))
  290. return -EINVAL;
  291. reg = smw_mix_regs[dev];
  292. if (reg == 0)
  293. return -EINVAL;
  294. sb_setmixer(devc, reg, (24 - (24 * left / 100)) | 0x20); /* 24=mute, 0=max */
  295. sb_setmixer(devc, reg + 1, (24 - (24 * right / 100)) | 0x40);
  296. }
  297. devc->levels[dev] = left | (right << 8);
  298. return left | (right << 8);
  299. }
  300. static int sb_mixer_set(sb_devc * devc, int dev, int value)
  301. {
  302. int left = value & 0x000000ff;
  303. int right = (value & 0x0000ff00) >> 8;
  304. int retval;
  305. if (left > 100)
  306. left = 100;
  307. if (right > 100)
  308. right = 100;
  309. if ((dev < 0) || (dev > 31))
  310. return -EINVAL;
  311. if (!(devc->supported_devices & (1 << dev))) /*
  312. * Not supported
  313. */
  314. return -EINVAL;
  315. /* Differentiate depending on the chipsets */
  316. switch (devc->model) {
  317. case MDL_SMW:
  318. retval = smw_mixer_set(devc, dev, left, right);
  319. break;
  320. case MDL_ESS:
  321. retval = ess_mixer_set(devc, dev, left, right);
  322. break;
  323. default:
  324. retval = sb_common_mixer_set(devc, dev, left, right);
  325. }
  326. if (retval >= 0) devc->levels[dev] = retval;
  327. return retval;
  328. }
  329. /*
  330. * set_recsrc doesn't apply to ES188x
  331. */
  332. static void set_recsrc(sb_devc * devc, int src)
  333. {
  334. sb_setmixer(devc, RECORD_SRC, (sb_getmixer(devc, RECORD_SRC) & ~7) | (src & 0x7));
  335. }
  336. static int set_recmask(sb_devc * devc, int mask)
  337. {
  338. int devmask, i;
  339. unsigned char regimageL, regimageR;
  340. devmask = mask & devc->supported_rec_devices;
  341. switch (devc->model)
  342. {
  343. case MDL_SBPRO:
  344. case MDL_ESS:
  345. case MDL_JAZZ:
  346. case MDL_SMW:
  347. if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
  348. break;
  349. };
  350. if (devmask != SOUND_MASK_MIC &&
  351. devmask != SOUND_MASK_LINE &&
  352. devmask != SOUND_MASK_CD)
  353. {
  354. /*
  355. * More than one device selected. Drop the
  356. * previous selection
  357. */
  358. devmask &= ~devc->recmask;
  359. }
  360. if (devmask != SOUND_MASK_MIC &&
  361. devmask != SOUND_MASK_LINE &&
  362. devmask != SOUND_MASK_CD)
  363. {
  364. /*
  365. * More than one device selected. Default to
  366. * mic
  367. */
  368. devmask = SOUND_MASK_MIC;
  369. }
  370. if (devmask ^ devc->recmask) /*
  371. * Input source changed
  372. */
  373. {
  374. switch (devmask)
  375. {
  376. case SOUND_MASK_MIC:
  377. set_recsrc(devc, SRC__MIC);
  378. break;
  379. case SOUND_MASK_LINE:
  380. set_recsrc(devc, SRC__LINE);
  381. break;
  382. case SOUND_MASK_CD:
  383. set_recsrc(devc, SRC__CD);
  384. break;
  385. default:
  386. set_recsrc(devc, SRC__MIC);
  387. }
  388. }
  389. break;
  390. case MDL_SB16:
  391. if (!devmask)
  392. devmask = SOUND_MASK_MIC;
  393. if (devc->submodel == SUBMDL_ALS007)
  394. {
  395. switch (devmask)
  396. {
  397. case SOUND_MASK_LINE:
  398. sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_LINE);
  399. break;
  400. case SOUND_MASK_CD:
  401. sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_CD);
  402. break;
  403. case SOUND_MASK_SYNTH:
  404. sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_SYNTH);
  405. break;
  406. default: /* Also takes care of SOUND_MASK_MIC case */
  407. sb_setmixer(devc, ALS007_RECORD_SRC, ALS007_MIC);
  408. break;
  409. }
  410. }
  411. else
  412. {
  413. regimageL = regimageR = 0;
  414. for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
  415. {
  416. if ((1 << i) & devmask)
  417. {
  418. regimageL |= sb16_recmasks_L[i];
  419. regimageR |= sb16_recmasks_R[i];
  420. }
  421. sb_setmixer (devc, SB16_IMASK_L, regimageL);
  422. sb_setmixer (devc, SB16_IMASK_R, regimageR);
  423. }
  424. }
  425. break;
  426. }
  427. devc->recmask = devmask;
  428. return devc->recmask;
  429. }
  430. static int set_outmask(sb_devc * devc, int mask)
  431. {
  432. int devmask, i;
  433. unsigned char regimage;
  434. devmask = mask & devc->supported_out_devices;
  435. switch (devc->model)
  436. {
  437. case MDL_SB16:
  438. if (devc->submodel == SUBMDL_ALS007)
  439. break;
  440. else
  441. {
  442. regimage = 0;
  443. for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
  444. {
  445. if ((1 << i) & devmask)
  446. {
  447. regimage |= (sb16_recmasks_L[i] | sb16_recmasks_R[i]);
  448. }
  449. sb_setmixer (devc, SB16_OMASK, regimage);
  450. }
  451. }
  452. break;
  453. default:
  454. break;
  455. }
  456. devc->outmask = devmask;
  457. return devc->outmask;
  458. }
  459. static int sb_mixer_ioctl(int dev, unsigned int cmd, void __user *arg)
  460. {
  461. sb_devc *devc = mixer_devs[dev]->devc;
  462. int val, ret;
  463. int __user *p = arg;
  464. /*
  465. * Use ioctl(fd, SOUND_MIXER_AGC, &mode) to turn AGC off (0) or on (1).
  466. * Use ioctl(fd, SOUND_MIXER_3DSE, &mode) to turn 3DSE off (0) or on (1)
  467. * or mode==2 put 3DSE state to mode.
  468. */
  469. if (devc->model == MDL_SB16) {
  470. if (cmd == SOUND_MIXER_AGC)
  471. {
  472. if (get_user(val, p))
  473. return -EFAULT;
  474. sb_setmixer(devc, 0x43, (~val) & 0x01);
  475. return 0;
  476. }
  477. if (cmd == SOUND_MIXER_3DSE)
  478. {
  479. /* I put here 15, but I don't know the exact version.
  480. At least my 4.13 havn't 3DSE, 4.16 has it. */
  481. if (devc->minor < 15)
  482. return -EINVAL;
  483. if (get_user(val, p))
  484. return -EFAULT;
  485. if (val == 0 || val == 1)
  486. sb_chgmixer(devc, AWE_3DSE, 0x01, val);
  487. else if (val == 2)
  488. {
  489. ret = sb_getmixer(devc, AWE_3DSE)&0x01;
  490. return put_user(ret, p);
  491. }
  492. else
  493. return -EINVAL;
  494. return 0;
  495. }
  496. }
  497. if (((cmd >> 8) & 0xff) == 'M')
  498. {
  499. if (_SIOC_DIR(cmd) & _SIOC_WRITE)
  500. {
  501. if (get_user(val, p))
  502. return -EFAULT;
  503. switch (cmd & 0xff)
  504. {
  505. case SOUND_MIXER_RECSRC:
  506. ret = set_recmask(devc, val);
  507. break;
  508. case SOUND_MIXER_OUTSRC:
  509. ret = set_outmask(devc, val);
  510. break;
  511. default:
  512. ret = sb_mixer_set(devc, cmd & 0xff, val);
  513. }
  514. }
  515. else switch (cmd & 0xff)
  516. {
  517. case SOUND_MIXER_RECSRC:
  518. ret = devc->recmask;
  519. break;
  520. case SOUND_MIXER_OUTSRC:
  521. ret = devc->outmask;
  522. break;
  523. case SOUND_MIXER_DEVMASK:
  524. ret = devc->supported_devices;
  525. break;
  526. case SOUND_MIXER_STEREODEVS:
  527. ret = devc->supported_devices;
  528. /* The ESS seems to have stereo mic controls */
  529. if (devc->model == MDL_ESS)
  530. ret &= ~(SOUND_MASK_SPEAKER|SOUND_MASK_IMIX);
  531. else if (devc->model != MDL_JAZZ && devc->model != MDL_SMW)
  532. ret &= ~(SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IMIX);
  533. break;
  534. case SOUND_MIXER_RECMASK:
  535. ret = devc->supported_rec_devices;
  536. break;
  537. case SOUND_MIXER_OUTMASK:
  538. ret = devc->supported_out_devices;
  539. break;
  540. case SOUND_MIXER_CAPS:
  541. ret = devc->mixer_caps;
  542. break;
  543. default:
  544. ret = sb_mixer_get(devc, cmd & 0xff);
  545. break;
  546. }
  547. return put_user(ret, p);
  548. } else
  549. return -EINVAL;
  550. }
  551. static struct mixer_operations sb_mixer_operations =
  552. {
  553. .owner = THIS_MODULE,
  554. .id = "SB",
  555. .name = "Sound Blaster",
  556. .ioctl = sb_mixer_ioctl
  557. };
  558. static struct mixer_operations als007_mixer_operations =
  559. {
  560. .owner = THIS_MODULE,
  561. .id = "ALS007",
  562. .name = "Avance ALS-007",
  563. .ioctl = sb_mixer_ioctl
  564. };
  565. static void sb_mixer_reset(sb_devc * devc)
  566. {
  567. char name[32];
  568. int i;
  569. sprintf(name, "SB_%d", devc->sbmixnum);
  570. if (devc->sbmo.sm_games)
  571. devc->levels = load_mixer_volumes(name, smg_default_levels, 1);
  572. else
  573. devc->levels = load_mixer_volumes(name, sb_default_levels, 1);
  574. for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
  575. sb_mixer_set(devc, i, devc->levels[i]);
  576. if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
  577. set_recmask(devc, SOUND_MASK_MIC);
  578. };
  579. }
  580. int sb_mixer_init(sb_devc * devc, struct module *owner)
  581. {
  582. int mixer_type = 0;
  583. int m;
  584. devc->sbmixnum = sbmixnum++;
  585. devc->levels = NULL;
  586. sb_setmixer(devc, 0x00, 0); /* Reset mixer */
  587. if (!(mixer_type = detect_mixer(devc)))
  588. return 0; /* No mixer. Why? */
  589. switch (devc->model)
  590. {
  591. case MDL_ESSPCI:
  592. case MDL_YMPCI:
  593. case MDL_SBPRO:
  594. case MDL_AZTECH:
  595. case MDL_JAZZ:
  596. devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
  597. devc->supported_devices = SBPRO_MIXER_DEVICES;
  598. devc->supported_rec_devices = SBPRO_RECORDING_DEVICES;
  599. devc->iomap = &sbpro_mix;
  600. devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
  601. break;
  602. case MDL_ESS:
  603. ess_mixer_init (devc);
  604. break;
  605. case MDL_SMW:
  606. devc->mixer_caps = SOUND_CAP_EXCL_INPUT;
  607. devc->supported_devices = 0;
  608. devc->supported_rec_devices = 0;
  609. devc->iomap = &sbpro_mix;
  610. devc->iomap_sz = ARRAY_SIZE(sbpro_mix);
  611. smw_mixer_init(devc);
  612. break;
  613. case MDL_SB16:
  614. devc->mixer_caps = 0;
  615. devc->supported_rec_devices = SB16_RECORDING_DEVICES;
  616. devc->supported_out_devices = SB16_OUTFILTER_DEVICES;
  617. if (devc->submodel != SUBMDL_ALS007)
  618. {
  619. devc->supported_devices = SB16_MIXER_DEVICES;
  620. devc->iomap = &sb16_mix;
  621. devc->iomap_sz = ARRAY_SIZE(sb16_mix);
  622. }
  623. else
  624. {
  625. devc->supported_devices = ALS007_MIXER_DEVICES;
  626. devc->iomap = &als007_mix;
  627. devc->iomap_sz = ARRAY_SIZE(als007_mix);
  628. }
  629. break;
  630. default:
  631. printk(KERN_WARNING "sb_mixer: Unsupported mixer type %d\n", devc->model);
  632. return 0;
  633. }
  634. m = sound_alloc_mixerdev();
  635. if (m == -1)
  636. return 0;
  637. mixer_devs[m] = kmalloc(sizeof(struct mixer_operations), GFP_KERNEL);
  638. if (mixer_devs[m] == NULL)
  639. {
  640. printk(KERN_ERR "sb_mixer: Can't allocate memory\n");
  641. sound_unload_mixerdev(m);
  642. return 0;
  643. }
  644. if (devc->submodel != SUBMDL_ALS007)
  645. memcpy ((char *) mixer_devs[m], (char *) &sb_mixer_operations, sizeof (struct mixer_operations));
  646. else
  647. memcpy ((char *) mixer_devs[m], (char *) &als007_mixer_operations, sizeof (struct mixer_operations));
  648. mixer_devs[m]->devc = devc;
  649. if (owner)
  650. mixer_devs[m]->owner = owner;
  651. devc->my_mixerdev = m;
  652. sb_mixer_reset(devc);
  653. return 1;
  654. }
  655. void sb_mixer_unload(sb_devc *devc)
  656. {
  657. if (devc->my_mixerdev == -1)
  658. return;
  659. kfree(mixer_devs[devc->my_mixerdev]);
  660. sound_unload_mixerdev(devc->my_mixerdev);
  661. sbmixnum--;
  662. }