emupcm.c 56 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Copyright (c) by Jaroslav Kysela <[email protected]>
  4. * Creative Labs, Inc.
  5. * Routines for control of EMU10K1 chips / PCM routines
  6. * Multichannel PCM support Copyright (c) Lee Revell <[email protected]>
  7. *
  8. * BUGS:
  9. * --
  10. *
  11. * TODO:
  12. * --
  13. */
  14. #include <linux/pci.h>
  15. #include <linux/delay.h>
  16. #include <linux/slab.h>
  17. #include <linux/time.h>
  18. #include <linux/init.h>
  19. #include <sound/core.h>
  20. #include <sound/emu10k1.h>
  21. static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
  22. struct snd_emu10k1_voice *voice)
  23. {
  24. struct snd_emu10k1_pcm *epcm;
  25. epcm = voice->epcm;
  26. if (!epcm)
  27. return;
  28. if (epcm->substream == NULL)
  29. return;
  30. #if 0
  31. dev_dbg(emu->card->dev,
  32. "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  33. epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  34. snd_pcm_lib_period_bytes(epcm->substream),
  35. snd_pcm_lib_buffer_bytes(epcm->substream));
  36. #endif
  37. snd_pcm_period_elapsed(epcm->substream);
  38. }
  39. static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  40. unsigned int status)
  41. {
  42. #if 0
  43. if (status & IPR_ADCBUFHALFFULL) {
  44. if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  45. return;
  46. }
  47. #endif
  48. snd_pcm_period_elapsed(emu->pcm_capture_substream);
  49. }
  50. static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  51. unsigned int status)
  52. {
  53. #if 0
  54. if (status & IPR_MICBUFHALFFULL) {
  55. if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  56. return;
  57. }
  58. #endif
  59. snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  60. }
  61. static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  62. unsigned int status)
  63. {
  64. #if 0
  65. if (status & IPR_EFXBUFHALFFULL) {
  66. if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  67. return;
  68. }
  69. #endif
  70. snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  71. }
  72. static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  73. {
  74. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  75. struct snd_pcm_runtime *runtime = substream->runtime;
  76. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  77. unsigned int ptr;
  78. if (!epcm->running)
  79. return 0;
  80. ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  81. ptr += runtime->buffer_size;
  82. ptr -= epcm->ccca_start_addr;
  83. ptr %= runtime->buffer_size;
  84. return ptr;
  85. }
  86. static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
  87. {
  88. int err, i;
  89. if (epcm->voices[1] != NULL && voices < 2) {
  90. snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
  91. epcm->voices[1] = NULL;
  92. }
  93. for (i = 0; i < voices; i++) {
  94. if (epcm->voices[i] == NULL)
  95. break;
  96. }
  97. if (i == voices)
  98. return 0; /* already allocated */
  99. for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
  100. if (epcm->voices[i]) {
  101. snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
  102. epcm->voices[i] = NULL;
  103. }
  104. }
  105. err = snd_emu10k1_voice_alloc(epcm->emu,
  106. epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
  107. voices,
  108. &epcm->voices[0]);
  109. if (err < 0)
  110. return err;
  111. epcm->voices[0]->epcm = epcm;
  112. if (voices > 1) {
  113. for (i = 1; i < voices; i++) {
  114. epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G];
  115. epcm->voices[i]->epcm = epcm;
  116. }
  117. }
  118. if (epcm->extra == NULL) {
  119. err = snd_emu10k1_voice_alloc(epcm->emu,
  120. epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
  121. 1,
  122. &epcm->extra);
  123. if (err < 0) {
  124. /*
  125. dev_dbg(emu->card->dev, "pcm_channel_alloc: "
  126. "failed extra: voices=%d, frame=%d\n",
  127. voices, frame);
  128. */
  129. for (i = 0; i < voices; i++) {
  130. snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
  131. epcm->voices[i] = NULL;
  132. }
  133. return err;
  134. }
  135. epcm->extra->epcm = epcm;
  136. epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
  137. }
  138. return 0;
  139. }
  140. static const unsigned int capture_period_sizes[31] = {
  141. 384, 448, 512, 640,
  142. 384*2, 448*2, 512*2, 640*2,
  143. 384*4, 448*4, 512*4, 640*4,
  144. 384*8, 448*8, 512*8, 640*8,
  145. 384*16, 448*16, 512*16, 640*16,
  146. 384*32, 448*32, 512*32, 640*32,
  147. 384*64, 448*64, 512*64, 640*64,
  148. 384*128,448*128,512*128
  149. };
  150. static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
  151. .count = 31,
  152. .list = capture_period_sizes,
  153. .mask = 0
  154. };
  155. static const unsigned int capture_rates[8] = {
  156. 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
  157. };
  158. static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
  159. .count = 8,
  160. .list = capture_rates,
  161. .mask = 0
  162. };
  163. static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
  164. {
  165. switch (rate) {
  166. case 8000: return ADCCR_SAMPLERATE_8;
  167. case 11025: return ADCCR_SAMPLERATE_11;
  168. case 16000: return ADCCR_SAMPLERATE_16;
  169. case 22050: return ADCCR_SAMPLERATE_22;
  170. case 24000: return ADCCR_SAMPLERATE_24;
  171. case 32000: return ADCCR_SAMPLERATE_32;
  172. case 44100: return ADCCR_SAMPLERATE_44;
  173. case 48000: return ADCCR_SAMPLERATE_48;
  174. default:
  175. snd_BUG();
  176. return ADCCR_SAMPLERATE_8;
  177. }
  178. }
  179. static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
  180. {
  181. switch (rate) {
  182. case 8000: return A_ADCCR_SAMPLERATE_8;
  183. case 11025: return A_ADCCR_SAMPLERATE_11;
  184. case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */
  185. case 16000: return ADCCR_SAMPLERATE_16;
  186. case 22050: return ADCCR_SAMPLERATE_22;
  187. case 24000: return ADCCR_SAMPLERATE_24;
  188. case 32000: return ADCCR_SAMPLERATE_32;
  189. case 44100: return ADCCR_SAMPLERATE_44;
  190. case 48000: return ADCCR_SAMPLERATE_48;
  191. default:
  192. snd_BUG();
  193. return A_ADCCR_SAMPLERATE_8;
  194. }
  195. }
  196. static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
  197. {
  198. unsigned int pitch_target;
  199. pitch_target = (rate << 8) / 375;
  200. pitch_target = (pitch_target >> 1) + (pitch_target & 1);
  201. return pitch_target;
  202. }
  203. #define PITCH_48000 0x00004000
  204. #define PITCH_96000 0x00008000
  205. #define PITCH_85000 0x00007155
  206. #define PITCH_80726 0x00006ba2
  207. #define PITCH_67882 0x00005a82
  208. #define PITCH_57081 0x00004c1c
  209. static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
  210. {
  211. if (pitch_target == PITCH_48000)
  212. return CCCA_INTERPROM_0;
  213. else if (pitch_target < PITCH_48000)
  214. return CCCA_INTERPROM_1;
  215. else if (pitch_target >= PITCH_96000)
  216. return CCCA_INTERPROM_0;
  217. else if (pitch_target >= PITCH_85000)
  218. return CCCA_INTERPROM_6;
  219. else if (pitch_target >= PITCH_80726)
  220. return CCCA_INTERPROM_5;
  221. else if (pitch_target >= PITCH_67882)
  222. return CCCA_INTERPROM_4;
  223. else if (pitch_target >= PITCH_57081)
  224. return CCCA_INTERPROM_3;
  225. else
  226. return CCCA_INTERPROM_2;
  227. }
  228. /*
  229. * calculate cache invalidate size
  230. *
  231. * stereo: channel is stereo
  232. * w_16: using 16bit samples
  233. *
  234. * returns: cache invalidate size in samples
  235. */
  236. static inline int emu10k1_ccis(int stereo, int w_16)
  237. {
  238. if (w_16) {
  239. return stereo ? 24 : 26;
  240. } else {
  241. return stereo ? 24*2 : 26*2;
  242. }
  243. }
  244. static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
  245. int master, int extra,
  246. struct snd_emu10k1_voice *evoice,
  247. unsigned int start_addr,
  248. unsigned int end_addr,
  249. struct snd_emu10k1_pcm_mixer *mix)
  250. {
  251. struct snd_pcm_substream *substream = evoice->epcm->substream;
  252. struct snd_pcm_runtime *runtime = substream->runtime;
  253. unsigned int silent_page, tmp;
  254. int voice, stereo, w_16;
  255. unsigned char send_amount[8];
  256. unsigned char send_routing[8];
  257. unsigned long flags;
  258. unsigned int pitch_target;
  259. unsigned int ccis;
  260. voice = evoice->number;
  261. stereo = runtime->channels == 2;
  262. w_16 = snd_pcm_format_width(runtime->format) == 16;
  263. if (!extra && stereo) {
  264. start_addr >>= 1;
  265. end_addr >>= 1;
  266. }
  267. if (w_16) {
  268. start_addr >>= 1;
  269. end_addr >>= 1;
  270. }
  271. spin_lock_irqsave(&emu->reg_lock, flags);
  272. /* volume parameters */
  273. if (extra) {
  274. memset(send_routing, 0, sizeof(send_routing));
  275. send_routing[0] = 0;
  276. send_routing[1] = 1;
  277. send_routing[2] = 2;
  278. send_routing[3] = 3;
  279. memset(send_amount, 0, sizeof(send_amount));
  280. } else {
  281. /* mono, left, right (master voice = left) */
  282. tmp = stereo ? (master ? 1 : 2) : 0;
  283. memcpy(send_routing, &mix->send_routing[tmp][0], 8);
  284. memcpy(send_amount, &mix->send_volume[tmp][0], 8);
  285. }
  286. ccis = emu10k1_ccis(stereo, w_16);
  287. if (master) {
  288. evoice->epcm->ccca_start_addr = start_addr + ccis;
  289. if (extra) {
  290. start_addr += ccis;
  291. end_addr += ccis + emu->delay_pcm_irq;
  292. }
  293. if (stereo && !extra) {
  294. snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
  295. snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
  296. } else {
  297. snd_emu10k1_ptr_write(emu, CPF, voice, 0);
  298. }
  299. }
  300. /* setup routing */
  301. if (emu->audigy) {
  302. snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
  303. snd_emu10k1_compose_audigy_fxrt1(send_routing));
  304. snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
  305. snd_emu10k1_compose_audigy_fxrt2(send_routing));
  306. snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
  307. ((unsigned int)send_amount[4] << 24) |
  308. ((unsigned int)send_amount[5] << 16) |
  309. ((unsigned int)send_amount[6] << 8) |
  310. (unsigned int)send_amount[7]);
  311. } else
  312. snd_emu10k1_ptr_write(emu, FXRT, voice,
  313. snd_emu10k1_compose_send_routing(send_routing));
  314. /* Stop CA */
  315. /* Assumption that PT is already 0 so no harm overwriting */
  316. snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
  317. snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
  318. snd_emu10k1_ptr_write(emu, PSST, voice,
  319. (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
  320. (send_amount[2] << 24));
  321. if (emu->card_capabilities->emu_model)
  322. pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
  323. else
  324. pitch_target = emu10k1_calc_pitch_target(runtime->rate);
  325. if (extra)
  326. snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
  327. emu10k1_select_interprom(pitch_target) |
  328. (w_16 ? 0 : CCCA_8BITSELECT));
  329. else
  330. snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
  331. emu10k1_select_interprom(pitch_target) |
  332. (w_16 ? 0 : CCCA_8BITSELECT));
  333. /* Clear filter delay memory */
  334. snd_emu10k1_ptr_write(emu, Z1, voice, 0);
  335. snd_emu10k1_ptr_write(emu, Z2, voice, 0);
  336. /* invalidate maps */
  337. silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
  338. snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
  339. snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
  340. /* modulation envelope */
  341. snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
  342. snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
  343. snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
  344. snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
  345. snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
  346. snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
  347. snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
  348. snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
  349. snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
  350. snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
  351. /* volume envelope */
  352. snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
  353. snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
  354. /* filter envelope */
  355. snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
  356. /* pitch envelope */
  357. snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
  358. spin_unlock_irqrestore(&emu->reg_lock, flags);
  359. }
  360. static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
  361. struct snd_pcm_hw_params *hw_params)
  362. {
  363. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  364. struct snd_pcm_runtime *runtime = substream->runtime;
  365. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  366. size_t alloc_size;
  367. int err;
  368. err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params));
  369. if (err < 0)
  370. return err;
  371. alloc_size = params_buffer_bytes(hw_params);
  372. if (emu->iommu_workaround)
  373. alloc_size += EMUPAGESIZE;
  374. err = snd_pcm_lib_malloc_pages(substream, alloc_size);
  375. if (err < 0)
  376. return err;
  377. if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
  378. runtime->dma_bytes -= EMUPAGESIZE;
  379. if (err > 0) { /* change */
  380. int mapped;
  381. if (epcm->memblk != NULL)
  382. snd_emu10k1_free_pages(emu, epcm->memblk);
  383. epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
  384. epcm->start_addr = 0;
  385. if (! epcm->memblk)
  386. return -ENOMEM;
  387. mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
  388. if (mapped < 0)
  389. return -ENOMEM;
  390. epcm->start_addr = mapped << PAGE_SHIFT;
  391. }
  392. return 0;
  393. }
  394. static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
  395. {
  396. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  397. struct snd_pcm_runtime *runtime = substream->runtime;
  398. struct snd_emu10k1_pcm *epcm;
  399. if (runtime->private_data == NULL)
  400. return 0;
  401. epcm = runtime->private_data;
  402. if (epcm->extra) {
  403. snd_emu10k1_voice_free(epcm->emu, epcm->extra);
  404. epcm->extra = NULL;
  405. }
  406. if (epcm->voices[1]) {
  407. snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
  408. epcm->voices[1] = NULL;
  409. }
  410. if (epcm->voices[0]) {
  411. snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
  412. epcm->voices[0] = NULL;
  413. }
  414. if (epcm->memblk) {
  415. snd_emu10k1_free_pages(emu, epcm->memblk);
  416. epcm->memblk = NULL;
  417. epcm->start_addr = 0;
  418. }
  419. snd_pcm_lib_free_pages(substream);
  420. return 0;
  421. }
  422. static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
  423. {
  424. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  425. struct snd_pcm_runtime *runtime = substream->runtime;
  426. struct snd_emu10k1_pcm *epcm;
  427. int i;
  428. if (runtime->private_data == NULL)
  429. return 0;
  430. epcm = runtime->private_data;
  431. if (epcm->extra) {
  432. snd_emu10k1_voice_free(epcm->emu, epcm->extra);
  433. epcm->extra = NULL;
  434. }
  435. for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
  436. if (epcm->voices[i]) {
  437. snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
  438. epcm->voices[i] = NULL;
  439. }
  440. }
  441. if (epcm->memblk) {
  442. snd_emu10k1_free_pages(emu, epcm->memblk);
  443. epcm->memblk = NULL;
  444. epcm->start_addr = 0;
  445. }
  446. snd_pcm_lib_free_pages(substream);
  447. return 0;
  448. }
  449. static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
  450. {
  451. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  452. struct snd_pcm_runtime *runtime = substream->runtime;
  453. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  454. unsigned int start_addr, end_addr;
  455. start_addr = epcm->start_addr;
  456. end_addr = snd_pcm_lib_period_bytes(substream);
  457. if (runtime->channels == 2) {
  458. start_addr >>= 1;
  459. end_addr >>= 1;
  460. }
  461. end_addr += start_addr;
  462. snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
  463. start_addr, end_addr, NULL);
  464. start_addr = epcm->start_addr;
  465. end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
  466. snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
  467. start_addr, end_addr,
  468. &emu->pcm_mixer[substream->number]);
  469. if (epcm->voices[1])
  470. snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
  471. start_addr, end_addr,
  472. &emu->pcm_mixer[substream->number]);
  473. return 0;
  474. }
  475. static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
  476. {
  477. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  478. struct snd_pcm_runtime *runtime = substream->runtime;
  479. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  480. unsigned int start_addr, end_addr;
  481. unsigned int channel_size;
  482. int i;
  483. start_addr = epcm->start_addr;
  484. end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
  485. /*
  486. * the kX driver leaves some space between voices
  487. */
  488. channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
  489. snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
  490. start_addr, start_addr + (channel_size / 2), NULL);
  491. /* only difference with the master voice is we use it for the pointer */
  492. snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
  493. start_addr, start_addr + channel_size,
  494. &emu->efx_pcm_mixer[0]);
  495. start_addr += channel_size;
  496. for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
  497. snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
  498. start_addr, start_addr + channel_size,
  499. &emu->efx_pcm_mixer[i]);
  500. start_addr += channel_size;
  501. }
  502. return 0;
  503. }
  504. static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
  505. {
  506. .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
  507. SNDRV_PCM_INFO_BLOCK_TRANSFER |
  508. SNDRV_PCM_INFO_RESUME |
  509. SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
  510. .formats = SNDRV_PCM_FMTBIT_S16_LE,
  511. .rates = SNDRV_PCM_RATE_48000,
  512. .rate_min = 48000,
  513. .rate_max = 48000,
  514. .channels_min = NUM_EFX_PLAYBACK,
  515. .channels_max = NUM_EFX_PLAYBACK,
  516. .buffer_bytes_max = (64*1024),
  517. .period_bytes_min = 64,
  518. .period_bytes_max = (64*1024),
  519. .periods_min = 2,
  520. .periods_max = 2,
  521. .fifo_size = 0,
  522. };
  523. static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
  524. {
  525. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  526. struct snd_pcm_runtime *runtime = substream->runtime;
  527. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  528. int idx;
  529. /* zeroing the buffer size will stop capture */
  530. snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
  531. switch (epcm->type) {
  532. case CAPTURE_AC97ADC:
  533. snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
  534. break;
  535. case CAPTURE_EFX:
  536. if (emu->audigy) {
  537. snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
  538. snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
  539. } else
  540. snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
  541. break;
  542. default:
  543. break;
  544. }
  545. snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
  546. epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
  547. epcm->capture_bs_val = 0;
  548. for (idx = 0; idx < 31; idx++) {
  549. if (capture_period_sizes[idx] == epcm->capture_bufsize) {
  550. epcm->capture_bs_val = idx + 1;
  551. break;
  552. }
  553. }
  554. if (epcm->capture_bs_val == 0) {
  555. snd_BUG();
  556. epcm->capture_bs_val++;
  557. }
  558. if (epcm->type == CAPTURE_AC97ADC) {
  559. epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
  560. if (runtime->channels > 1)
  561. epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
  562. epcm->capture_cr_val |= emu->audigy ?
  563. snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
  564. snd_emu10k1_capture_rate_reg(runtime->rate);
  565. }
  566. return 0;
  567. }
  568. static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
  569. {
  570. struct snd_pcm_runtime *runtime;
  571. unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
  572. if (evoice == NULL)
  573. return;
  574. runtime = evoice->epcm->substream->runtime;
  575. voice = evoice->number;
  576. stereo = (!extra && runtime->channels == 2);
  577. sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
  578. ccis = emu10k1_ccis(stereo, sample == 0);
  579. /* set cs to 2 * number of cache registers beside the invalidated */
  580. cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
  581. if (cs > 16) cs = 16;
  582. for (i = 0; i < cs; i++) {
  583. snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
  584. if (stereo) {
  585. snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
  586. }
  587. }
  588. /* reset cache */
  589. snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
  590. snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
  591. if (stereo) {
  592. snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
  593. snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
  594. }
  595. /* fill cache */
  596. snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
  597. if (stereo) {
  598. snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
  599. }
  600. }
  601. static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
  602. int master, int extra,
  603. struct snd_emu10k1_pcm_mixer *mix)
  604. {
  605. struct snd_pcm_substream *substream;
  606. struct snd_pcm_runtime *runtime;
  607. unsigned int attn, vattn;
  608. unsigned int voice, tmp;
  609. if (evoice == NULL) /* skip second voice for mono */
  610. return;
  611. substream = evoice->epcm->substream;
  612. runtime = substream->runtime;
  613. voice = evoice->number;
  614. attn = extra ? 0 : 0x00ff;
  615. tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
  616. vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
  617. snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
  618. snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
  619. snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
  620. snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
  621. snd_emu10k1_voice_clear_loop_stop(emu, voice);
  622. }
  623. static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
  624. {
  625. struct snd_pcm_substream *substream;
  626. struct snd_pcm_runtime *runtime;
  627. unsigned int voice, pitch, pitch_target;
  628. if (evoice == NULL) /* skip second voice for mono */
  629. return;
  630. substream = evoice->epcm->substream;
  631. runtime = substream->runtime;
  632. voice = evoice->number;
  633. pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
  634. if (emu->card_capabilities->emu_model)
  635. pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
  636. else
  637. pitch_target = emu10k1_calc_pitch_target(runtime->rate);
  638. snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
  639. if (master || evoice->epcm->type == PLAYBACK_EFX)
  640. snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
  641. snd_emu10k1_ptr_write(emu, IP, voice, pitch);
  642. if (extra)
  643. snd_emu10k1_voice_intr_enable(emu, voice);
  644. }
  645. static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
  646. {
  647. unsigned int voice;
  648. if (evoice == NULL)
  649. return;
  650. voice = evoice->number;
  651. snd_emu10k1_voice_intr_disable(emu, voice);
  652. snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
  653. snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
  654. snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
  655. snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
  656. snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
  657. snd_emu10k1_ptr_write(emu, IP, voice, 0);
  658. }
  659. static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
  660. struct snd_emu10k1_pcm *epcm,
  661. struct snd_pcm_substream *substream,
  662. struct snd_pcm_runtime *runtime)
  663. {
  664. unsigned int ptr, period_pos;
  665. /* try to sychronize the current position for the interrupt
  666. source voice */
  667. period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
  668. period_pos %= runtime->period_size;
  669. ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
  670. ptr &= ~0x00ffffff;
  671. ptr |= epcm->ccca_start_addr + period_pos;
  672. snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
  673. }
  674. static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
  675. int cmd)
  676. {
  677. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  678. struct snd_pcm_runtime *runtime = substream->runtime;
  679. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  680. struct snd_emu10k1_pcm_mixer *mix;
  681. int result = 0;
  682. /*
  683. dev_dbg(emu->card->dev,
  684. "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
  685. (int)emu, cmd, substream->ops->pointer(substream))
  686. */
  687. spin_lock(&emu->reg_lock);
  688. switch (cmd) {
  689. case SNDRV_PCM_TRIGGER_START:
  690. snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */
  691. snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
  692. fallthrough;
  693. case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  694. case SNDRV_PCM_TRIGGER_RESUME:
  695. if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
  696. snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
  697. mix = &emu->pcm_mixer[substream->number];
  698. snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
  699. snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
  700. snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
  701. snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
  702. snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
  703. snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
  704. epcm->running = 1;
  705. break;
  706. case SNDRV_PCM_TRIGGER_STOP:
  707. case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  708. case SNDRV_PCM_TRIGGER_SUSPEND:
  709. epcm->running = 0;
  710. snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
  711. snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
  712. snd_emu10k1_playback_stop_voice(emu, epcm->extra);
  713. break;
  714. default:
  715. result = -EINVAL;
  716. break;
  717. }
  718. spin_unlock(&emu->reg_lock);
  719. return result;
  720. }
  721. static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
  722. int cmd)
  723. {
  724. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  725. struct snd_pcm_runtime *runtime = substream->runtime;
  726. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  727. int result = 0;
  728. spin_lock(&emu->reg_lock);
  729. switch (cmd) {
  730. case SNDRV_PCM_TRIGGER_START:
  731. case SNDRV_PCM_TRIGGER_RESUME:
  732. /* hmm this should cause full and half full interrupt to be raised? */
  733. outl(epcm->capture_ipr, emu->port + IPR);
  734. snd_emu10k1_intr_enable(emu, epcm->capture_inte);
  735. /*
  736. dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
  737. epcm->adccr, epcm->adcbs);
  738. */
  739. switch (epcm->type) {
  740. case CAPTURE_AC97ADC:
  741. snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
  742. break;
  743. case CAPTURE_EFX:
  744. if (emu->audigy) {
  745. snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
  746. snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
  747. dev_dbg(emu->card->dev,
  748. "cr_val=0x%x, cr_val2=0x%x\n",
  749. epcm->capture_cr_val,
  750. epcm->capture_cr_val2);
  751. } else
  752. snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
  753. break;
  754. default:
  755. break;
  756. }
  757. snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
  758. epcm->running = 1;
  759. epcm->first_ptr = 1;
  760. break;
  761. case SNDRV_PCM_TRIGGER_STOP:
  762. case SNDRV_PCM_TRIGGER_SUSPEND:
  763. epcm->running = 0;
  764. snd_emu10k1_intr_disable(emu, epcm->capture_inte);
  765. outl(epcm->capture_ipr, emu->port + IPR);
  766. snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
  767. switch (epcm->type) {
  768. case CAPTURE_AC97ADC:
  769. snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
  770. break;
  771. case CAPTURE_EFX:
  772. if (emu->audigy) {
  773. snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
  774. snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
  775. } else
  776. snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
  777. break;
  778. default:
  779. break;
  780. }
  781. break;
  782. default:
  783. result = -EINVAL;
  784. }
  785. spin_unlock(&emu->reg_lock);
  786. return result;
  787. }
  788. static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
  789. {
  790. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  791. struct snd_pcm_runtime *runtime = substream->runtime;
  792. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  793. unsigned int ptr;
  794. if (!epcm->running)
  795. return 0;
  796. ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  797. #if 0 /* Perex's code */
  798. ptr += runtime->buffer_size;
  799. ptr -= epcm->ccca_start_addr;
  800. ptr %= runtime->buffer_size;
  801. #else /* EMU10K1 Open Source code from Creative */
  802. if (ptr < epcm->ccca_start_addr)
  803. ptr += runtime->buffer_size - epcm->ccca_start_addr;
  804. else {
  805. ptr -= epcm->ccca_start_addr;
  806. if (ptr >= runtime->buffer_size)
  807. ptr -= runtime->buffer_size;
  808. }
  809. #endif
  810. /*
  811. dev_dbg(emu->card->dev,
  812. "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
  813. (long)ptr, (long)runtime->buffer_size,
  814. (long)runtime->period_size);
  815. */
  816. return ptr;
  817. }
  818. static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
  819. int cmd)
  820. {
  821. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  822. struct snd_pcm_runtime *runtime = substream->runtime;
  823. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  824. int i;
  825. int result = 0;
  826. spin_lock(&emu->reg_lock);
  827. switch (cmd) {
  828. case SNDRV_PCM_TRIGGER_START:
  829. /* prepare voices */
  830. for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
  831. snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
  832. }
  833. snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
  834. fallthrough;
  835. case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  836. case SNDRV_PCM_TRIGGER_RESUME:
  837. snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
  838. snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
  839. &emu->efx_pcm_mixer[0]);
  840. for (i = 1; i < NUM_EFX_PLAYBACK; i++)
  841. snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
  842. &emu->efx_pcm_mixer[i]);
  843. snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
  844. snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
  845. for (i = 1; i < NUM_EFX_PLAYBACK; i++)
  846. snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
  847. epcm->running = 1;
  848. break;
  849. case SNDRV_PCM_TRIGGER_SUSPEND:
  850. case SNDRV_PCM_TRIGGER_STOP:
  851. case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  852. epcm->running = 0;
  853. for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
  854. snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
  855. }
  856. snd_emu10k1_playback_stop_voice(emu, epcm->extra);
  857. break;
  858. default:
  859. result = -EINVAL;
  860. break;
  861. }
  862. spin_unlock(&emu->reg_lock);
  863. return result;
  864. }
  865. static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
  866. {
  867. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  868. struct snd_pcm_runtime *runtime = substream->runtime;
  869. struct snd_emu10k1_pcm *epcm = runtime->private_data;
  870. unsigned int ptr;
  871. if (!epcm->running)
  872. return 0;
  873. if (epcm->first_ptr) {
  874. udelay(50); /* hack, it takes awhile until capture is started */
  875. epcm->first_ptr = 0;
  876. }
  877. ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
  878. return bytes_to_frames(runtime, ptr);
  879. }
  880. /*
  881. * Playback support device description
  882. */
  883. static const struct snd_pcm_hardware snd_emu10k1_playback =
  884. {
  885. .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  886. SNDRV_PCM_INFO_BLOCK_TRANSFER |
  887. SNDRV_PCM_INFO_RESUME |
  888. SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
  889. .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
  890. .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
  891. .rate_min = 4000,
  892. .rate_max = 96000,
  893. .channels_min = 1,
  894. .channels_max = 2,
  895. .buffer_bytes_max = (128*1024),
  896. .period_bytes_min = 64,
  897. .period_bytes_max = (128*1024),
  898. .periods_min = 1,
  899. .periods_max = 1024,
  900. .fifo_size = 0,
  901. };
  902. /*
  903. * Capture support device description
  904. */
  905. static const struct snd_pcm_hardware snd_emu10k1_capture =
  906. {
  907. .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  908. SNDRV_PCM_INFO_BLOCK_TRANSFER |
  909. SNDRV_PCM_INFO_RESUME |
  910. SNDRV_PCM_INFO_MMAP_VALID),
  911. .formats = SNDRV_PCM_FMTBIT_S16_LE,
  912. .rates = SNDRV_PCM_RATE_8000_48000,
  913. .rate_min = 8000,
  914. .rate_max = 48000,
  915. .channels_min = 1,
  916. .channels_max = 2,
  917. .buffer_bytes_max = (64*1024),
  918. .period_bytes_min = 384,
  919. .period_bytes_max = (64*1024),
  920. .periods_min = 2,
  921. .periods_max = 2,
  922. .fifo_size = 0,
  923. };
  924. static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
  925. {
  926. .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  927. SNDRV_PCM_INFO_BLOCK_TRANSFER |
  928. SNDRV_PCM_INFO_RESUME |
  929. SNDRV_PCM_INFO_MMAP_VALID),
  930. .formats = SNDRV_PCM_FMTBIT_S16_LE,
  931. .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
  932. SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
  933. SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
  934. .rate_min = 44100,
  935. .rate_max = 192000,
  936. .channels_min = 8,
  937. .channels_max = 8,
  938. .buffer_bytes_max = (64*1024),
  939. .period_bytes_min = 384,
  940. .period_bytes_max = (64*1024),
  941. .periods_min = 2,
  942. .periods_max = 2,
  943. .fifo_size = 0,
  944. };
  945. /*
  946. *
  947. */
  948. static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
  949. {
  950. struct snd_ctl_elem_id id;
  951. if (! kctl)
  952. return;
  953. if (activate)
  954. kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
  955. else
  956. kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
  957. snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
  958. SNDRV_CTL_EVENT_MASK_INFO,
  959. snd_ctl_build_ioff(&id, kctl, idx));
  960. }
  961. static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
  962. {
  963. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
  964. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
  965. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
  966. }
  967. static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
  968. {
  969. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
  970. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
  971. snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
  972. }
  973. static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
  974. {
  975. kfree(runtime->private_data);
  976. }
  977. static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
  978. {
  979. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  980. struct snd_emu10k1_pcm_mixer *mix;
  981. int i;
  982. for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
  983. mix = &emu->efx_pcm_mixer[i];
  984. mix->epcm = NULL;
  985. snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
  986. }
  987. return 0;
  988. }
  989. static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
  990. {
  991. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  992. struct snd_emu10k1_pcm *epcm;
  993. struct snd_emu10k1_pcm_mixer *mix;
  994. struct snd_pcm_runtime *runtime = substream->runtime;
  995. int i;
  996. epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
  997. if (epcm == NULL)
  998. return -ENOMEM;
  999. epcm->emu = emu;
  1000. epcm->type = PLAYBACK_EFX;
  1001. epcm->substream = substream;
  1002. emu->pcm_playback_efx_substream = substream;
  1003. runtime->private_data = epcm;
  1004. runtime->private_free = snd_emu10k1_pcm_free_substream;
  1005. runtime->hw = snd_emu10k1_efx_playback;
  1006. for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
  1007. mix = &emu->efx_pcm_mixer[i];
  1008. mix->send_routing[0][0] = i;
  1009. memset(&mix->send_volume, 0, sizeof(mix->send_volume));
  1010. mix->send_volume[0][0] = 255;
  1011. mix->attn[0] = 0xffff;
  1012. mix->epcm = epcm;
  1013. snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
  1014. }
  1015. return 0;
  1016. }
  1017. static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
  1018. {
  1019. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1020. struct snd_emu10k1_pcm *epcm;
  1021. struct snd_emu10k1_pcm_mixer *mix;
  1022. struct snd_pcm_runtime *runtime = substream->runtime;
  1023. int i, err, sample_rate;
  1024. epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
  1025. if (epcm == NULL)
  1026. return -ENOMEM;
  1027. epcm->emu = emu;
  1028. epcm->type = PLAYBACK_EMUVOICE;
  1029. epcm->substream = substream;
  1030. runtime->private_data = epcm;
  1031. runtime->private_free = snd_emu10k1_pcm_free_substream;
  1032. runtime->hw = snd_emu10k1_playback;
  1033. err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
  1034. if (err < 0) {
  1035. kfree(epcm);
  1036. return err;
  1037. }
  1038. err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
  1039. if (err < 0) {
  1040. kfree(epcm);
  1041. return err;
  1042. }
  1043. if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
  1044. sample_rate = 44100;
  1045. else
  1046. sample_rate = 48000;
  1047. err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
  1048. if (err < 0) {
  1049. kfree(epcm);
  1050. return err;
  1051. }
  1052. mix = &emu->pcm_mixer[substream->number];
  1053. for (i = 0; i < 4; i++)
  1054. mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
  1055. memset(&mix->send_volume, 0, sizeof(mix->send_volume));
  1056. mix->send_volume[0][0] = mix->send_volume[0][1] =
  1057. mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
  1058. mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
  1059. mix->epcm = epcm;
  1060. snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
  1061. return 0;
  1062. }
  1063. static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
  1064. {
  1065. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1066. struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
  1067. mix->epcm = NULL;
  1068. snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
  1069. return 0;
  1070. }
  1071. static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
  1072. {
  1073. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1074. struct snd_pcm_runtime *runtime = substream->runtime;
  1075. struct snd_emu10k1_pcm *epcm;
  1076. epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
  1077. if (epcm == NULL)
  1078. return -ENOMEM;
  1079. epcm->emu = emu;
  1080. epcm->type = CAPTURE_AC97ADC;
  1081. epcm->substream = substream;
  1082. epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
  1083. epcm->capture_inte = INTE_ADCBUFENABLE;
  1084. epcm->capture_ba_reg = ADCBA;
  1085. epcm->capture_bs_reg = ADCBS;
  1086. epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
  1087. runtime->private_data = epcm;
  1088. runtime->private_free = snd_emu10k1_pcm_free_substream;
  1089. runtime->hw = snd_emu10k1_capture;
  1090. emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
  1091. emu->pcm_capture_substream = substream;
  1092. snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
  1093. snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
  1094. return 0;
  1095. }
  1096. static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
  1097. {
  1098. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1099. emu->capture_interrupt = NULL;
  1100. emu->pcm_capture_substream = NULL;
  1101. return 0;
  1102. }
  1103. static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
  1104. {
  1105. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1106. struct snd_emu10k1_pcm *epcm;
  1107. struct snd_pcm_runtime *runtime = substream->runtime;
  1108. epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
  1109. if (epcm == NULL)
  1110. return -ENOMEM;
  1111. epcm->emu = emu;
  1112. epcm->type = CAPTURE_AC97MIC;
  1113. epcm->substream = substream;
  1114. epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
  1115. epcm->capture_inte = INTE_MICBUFENABLE;
  1116. epcm->capture_ba_reg = MICBA;
  1117. epcm->capture_bs_reg = MICBS;
  1118. epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
  1119. substream->runtime->private_data = epcm;
  1120. substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
  1121. runtime->hw = snd_emu10k1_capture;
  1122. runtime->hw.rates = SNDRV_PCM_RATE_8000;
  1123. runtime->hw.rate_min = runtime->hw.rate_max = 8000;
  1124. runtime->hw.channels_min = 1;
  1125. emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
  1126. emu->pcm_capture_mic_substream = substream;
  1127. snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
  1128. return 0;
  1129. }
  1130. static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
  1131. {
  1132. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1133. emu->capture_mic_interrupt = NULL;
  1134. emu->pcm_capture_mic_substream = NULL;
  1135. return 0;
  1136. }
  1137. static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
  1138. {
  1139. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1140. struct snd_emu10k1_pcm *epcm;
  1141. struct snd_pcm_runtime *runtime = substream->runtime;
  1142. int nefx = emu->audigy ? 64 : 32;
  1143. int idx;
  1144. epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
  1145. if (epcm == NULL)
  1146. return -ENOMEM;
  1147. epcm->emu = emu;
  1148. epcm->type = CAPTURE_EFX;
  1149. epcm->substream = substream;
  1150. epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
  1151. epcm->capture_inte = INTE_EFXBUFENABLE;
  1152. epcm->capture_ba_reg = FXBA;
  1153. epcm->capture_bs_reg = FXBS;
  1154. epcm->capture_idx_reg = FXIDX;
  1155. substream->runtime->private_data = epcm;
  1156. substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
  1157. runtime->hw = snd_emu10k1_capture_efx;
  1158. runtime->hw.rates = SNDRV_PCM_RATE_48000;
  1159. runtime->hw.rate_min = runtime->hw.rate_max = 48000;
  1160. spin_lock_irq(&emu->reg_lock);
  1161. if (emu->card_capabilities->emu_model) {
  1162. /* Nb. of channels has been increased to 16 */
  1163. /* TODO
  1164. * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
  1165. * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
  1166. * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
  1167. * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
  1168. * rate_min = 44100,
  1169. * rate_max = 192000,
  1170. * channels_min = 16,
  1171. * channels_max = 16,
  1172. * Need to add mixer control to fix sample rate
  1173. *
  1174. * There are 32 mono channels of 16bits each.
  1175. * 24bit Audio uses 2x channels over 16bit
  1176. * 96kHz uses 2x channels over 48kHz
  1177. * 192kHz uses 4x channels over 48kHz
  1178. * So, for 48kHz 24bit, one has 16 channels
  1179. * for 96kHz 24bit, one has 8 channels
  1180. * for 192kHz 24bit, one has 4 channels
  1181. *
  1182. */
  1183. #if 1
  1184. switch (emu->emu1010.internal_clock) {
  1185. case 0:
  1186. /* For 44.1kHz */
  1187. runtime->hw.rates = SNDRV_PCM_RATE_44100;
  1188. runtime->hw.rate_min = runtime->hw.rate_max = 44100;
  1189. runtime->hw.channels_min =
  1190. runtime->hw.channels_max = 16;
  1191. break;
  1192. case 1:
  1193. /* For 48kHz */
  1194. runtime->hw.rates = SNDRV_PCM_RATE_48000;
  1195. runtime->hw.rate_min = runtime->hw.rate_max = 48000;
  1196. runtime->hw.channels_min =
  1197. runtime->hw.channels_max = 16;
  1198. break;
  1199. }
  1200. #endif
  1201. #if 0
  1202. /* For 96kHz */
  1203. runtime->hw.rates = SNDRV_PCM_RATE_96000;
  1204. runtime->hw.rate_min = runtime->hw.rate_max = 96000;
  1205. runtime->hw.channels_min = runtime->hw.channels_max = 4;
  1206. #endif
  1207. #if 0
  1208. /* For 192kHz */
  1209. runtime->hw.rates = SNDRV_PCM_RATE_192000;
  1210. runtime->hw.rate_min = runtime->hw.rate_max = 192000;
  1211. runtime->hw.channels_min = runtime->hw.channels_max = 2;
  1212. #endif
  1213. runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
  1214. /* efx_voices_mask[0] is expected to be zero
  1215. * efx_voices_mask[1] is expected to have 32bits set
  1216. */
  1217. } else {
  1218. runtime->hw.channels_min = runtime->hw.channels_max = 0;
  1219. for (idx = 0; idx < nefx; idx++) {
  1220. if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
  1221. runtime->hw.channels_min++;
  1222. runtime->hw.channels_max++;
  1223. }
  1224. }
  1225. }
  1226. epcm->capture_cr_val = emu->efx_voices_mask[0];
  1227. epcm->capture_cr_val2 = emu->efx_voices_mask[1];
  1228. spin_unlock_irq(&emu->reg_lock);
  1229. emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
  1230. emu->pcm_capture_efx_substream = substream;
  1231. snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
  1232. return 0;
  1233. }
  1234. static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
  1235. {
  1236. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1237. emu->capture_efx_interrupt = NULL;
  1238. emu->pcm_capture_efx_substream = NULL;
  1239. return 0;
  1240. }
  1241. static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
  1242. .open = snd_emu10k1_playback_open,
  1243. .close = snd_emu10k1_playback_close,
  1244. .hw_params = snd_emu10k1_playback_hw_params,
  1245. .hw_free = snd_emu10k1_playback_hw_free,
  1246. .prepare = snd_emu10k1_playback_prepare,
  1247. .trigger = snd_emu10k1_playback_trigger,
  1248. .pointer = snd_emu10k1_playback_pointer,
  1249. };
  1250. static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
  1251. .open = snd_emu10k1_capture_open,
  1252. .close = snd_emu10k1_capture_close,
  1253. .prepare = snd_emu10k1_capture_prepare,
  1254. .trigger = snd_emu10k1_capture_trigger,
  1255. .pointer = snd_emu10k1_capture_pointer,
  1256. };
  1257. /* EFX playback */
  1258. static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
  1259. .open = snd_emu10k1_efx_playback_open,
  1260. .close = snd_emu10k1_efx_playback_close,
  1261. .hw_params = snd_emu10k1_playback_hw_params,
  1262. .hw_free = snd_emu10k1_efx_playback_hw_free,
  1263. .prepare = snd_emu10k1_efx_playback_prepare,
  1264. .trigger = snd_emu10k1_efx_playback_trigger,
  1265. .pointer = snd_emu10k1_efx_playback_pointer,
  1266. };
  1267. int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
  1268. {
  1269. struct snd_pcm *pcm;
  1270. struct snd_pcm_substream *substream;
  1271. int err;
  1272. err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm);
  1273. if (err < 0)
  1274. return err;
  1275. pcm->private_data = emu;
  1276. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
  1277. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
  1278. pcm->info_flags = 0;
  1279. pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
  1280. strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
  1281. emu->pcm = pcm;
  1282. /* playback substream can't use managed buffers due to alignment */
  1283. for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
  1284. snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
  1285. &emu->pci->dev,
  1286. 64*1024, 64*1024);
  1287. for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
  1288. snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
  1289. &emu->pci->dev, 64*1024, 64*1024);
  1290. return 0;
  1291. }
  1292. int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
  1293. {
  1294. struct snd_pcm *pcm;
  1295. struct snd_pcm_substream *substream;
  1296. int err;
  1297. err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm);
  1298. if (err < 0)
  1299. return err;
  1300. pcm->private_data = emu;
  1301. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
  1302. pcm->info_flags = 0;
  1303. pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
  1304. strcpy(pcm->name, "Multichannel Playback");
  1305. emu->pcm_multi = pcm;
  1306. for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
  1307. snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
  1308. &emu->pci->dev,
  1309. 64*1024, 64*1024);
  1310. return 0;
  1311. }
  1312. static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
  1313. .open = snd_emu10k1_capture_mic_open,
  1314. .close = snd_emu10k1_capture_mic_close,
  1315. .prepare = snd_emu10k1_capture_prepare,
  1316. .trigger = snd_emu10k1_capture_trigger,
  1317. .pointer = snd_emu10k1_capture_pointer,
  1318. };
  1319. int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
  1320. {
  1321. struct snd_pcm *pcm;
  1322. int err;
  1323. err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm);
  1324. if (err < 0)
  1325. return err;
  1326. pcm->private_data = emu;
  1327. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
  1328. pcm->info_flags = 0;
  1329. strcpy(pcm->name, "Mic Capture");
  1330. emu->pcm_mic = pcm;
  1331. snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
  1332. 64*1024, 64*1024);
  1333. return 0;
  1334. }
  1335. static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  1336. {
  1337. struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
  1338. int nefx = emu->audigy ? 64 : 32;
  1339. uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
  1340. uinfo->count = nefx;
  1341. uinfo->value.integer.min = 0;
  1342. uinfo->value.integer.max = 1;
  1343. return 0;
  1344. }
  1345. static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  1346. {
  1347. struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
  1348. int nefx = emu->audigy ? 64 : 32;
  1349. int idx;
  1350. spin_lock_irq(&emu->reg_lock);
  1351. for (idx = 0; idx < nefx; idx++)
  1352. ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
  1353. spin_unlock_irq(&emu->reg_lock);
  1354. return 0;
  1355. }
  1356. static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  1357. {
  1358. struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
  1359. unsigned int nval[2], bits;
  1360. int nefx = emu->audigy ? 64 : 32;
  1361. int nefxb = emu->audigy ? 7 : 6;
  1362. int change, idx;
  1363. nval[0] = nval[1] = 0;
  1364. for (idx = 0, bits = 0; idx < nefx; idx++)
  1365. if (ucontrol->value.integer.value[idx]) {
  1366. nval[idx / 32] |= 1 << (idx % 32);
  1367. bits++;
  1368. }
  1369. for (idx = 0; idx < nefxb; idx++)
  1370. if (1 << idx == bits)
  1371. break;
  1372. if (idx >= nefxb)
  1373. return -EINVAL;
  1374. spin_lock_irq(&emu->reg_lock);
  1375. change = (nval[0] != emu->efx_voices_mask[0]) ||
  1376. (nval[1] != emu->efx_voices_mask[1]);
  1377. emu->efx_voices_mask[0] = nval[0];
  1378. emu->efx_voices_mask[1] = nval[1];
  1379. spin_unlock_irq(&emu->reg_lock);
  1380. return change;
  1381. }
  1382. static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
  1383. .iface = SNDRV_CTL_ELEM_IFACE_PCM,
  1384. .name = "Captured FX8010 Outputs",
  1385. .info = snd_emu10k1_pcm_efx_voices_mask_info,
  1386. .get = snd_emu10k1_pcm_efx_voices_mask_get,
  1387. .put = snd_emu10k1_pcm_efx_voices_mask_put
  1388. };
  1389. static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
  1390. .open = snd_emu10k1_capture_efx_open,
  1391. .close = snd_emu10k1_capture_efx_close,
  1392. .prepare = snd_emu10k1_capture_prepare,
  1393. .trigger = snd_emu10k1_capture_trigger,
  1394. .pointer = snd_emu10k1_capture_pointer,
  1395. };
  1396. /* EFX playback */
  1397. #define INITIAL_TRAM_SHIFT 14
  1398. #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
  1399. static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
  1400. {
  1401. struct snd_pcm_substream *substream = private_data;
  1402. snd_pcm_period_elapsed(substream);
  1403. }
  1404. static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
  1405. unsigned short *dst_right,
  1406. unsigned short *src,
  1407. unsigned int count,
  1408. unsigned int tram_shift)
  1409. {
  1410. /*
  1411. dev_dbg(emu->card->dev,
  1412. "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
  1413. "src = 0x%p, count = 0x%x\n",
  1414. dst_left, dst_right, src, count);
  1415. */
  1416. if ((tram_shift & 1) == 0) {
  1417. while (count--) {
  1418. *dst_left-- = *src++;
  1419. *dst_right-- = *src++;
  1420. }
  1421. } else {
  1422. while (count--) {
  1423. *dst_right-- = *src++;
  1424. *dst_left-- = *src++;
  1425. }
  1426. }
  1427. }
  1428. static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
  1429. struct snd_pcm_indirect *rec, size_t bytes)
  1430. {
  1431. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1432. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1433. unsigned int tram_size = pcm->buffer_size;
  1434. unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
  1435. unsigned int frames = bytes >> 2, count;
  1436. unsigned int tram_pos = pcm->tram_pos;
  1437. unsigned int tram_shift = pcm->tram_shift;
  1438. while (frames > tram_pos) {
  1439. count = tram_pos + 1;
  1440. snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
  1441. (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
  1442. src, count, tram_shift);
  1443. src += count * 2;
  1444. frames -= count;
  1445. tram_pos = (tram_size / 2) - 1;
  1446. tram_shift++;
  1447. }
  1448. snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
  1449. (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
  1450. src, frames, tram_shift);
  1451. tram_pos -= frames;
  1452. pcm->tram_pos = tram_pos;
  1453. pcm->tram_shift = tram_shift;
  1454. }
  1455. static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
  1456. {
  1457. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1458. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1459. return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
  1460. fx8010_pb_trans_copy);
  1461. }
  1462. static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
  1463. {
  1464. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1465. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1466. unsigned int i;
  1467. for (i = 0; i < pcm->channels; i++)
  1468. snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
  1469. return 0;
  1470. }
  1471. static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
  1472. {
  1473. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1474. struct snd_pcm_runtime *runtime = substream->runtime;
  1475. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1476. unsigned int i;
  1477. /*
  1478. dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
  1479. "buffer_size = 0x%x (0x%x)\n",
  1480. emu->fx8010.etram_pages, runtime->dma_area,
  1481. runtime->buffer_size, runtime->buffer_size << 2);
  1482. */
  1483. memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
  1484. pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
  1485. pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
  1486. pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
  1487. pcm->tram_shift = 0;
  1488. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */
  1489. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */
  1490. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
  1491. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */
  1492. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
  1493. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
  1494. for (i = 0; i < pcm->channels; i++)
  1495. snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
  1496. return 0;
  1497. }
  1498. static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
  1499. {
  1500. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1501. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1502. int result = 0;
  1503. spin_lock(&emu->reg_lock);
  1504. switch (cmd) {
  1505. case SNDRV_PCM_TRIGGER_START:
  1506. /* follow thru */
  1507. case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  1508. case SNDRV_PCM_TRIGGER_RESUME:
  1509. #ifdef EMU10K1_SET_AC3_IEC958
  1510. {
  1511. int i;
  1512. for (i = 0; i < 3; i++) {
  1513. unsigned int bits;
  1514. bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
  1515. SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
  1516. 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
  1517. snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
  1518. }
  1519. }
  1520. #endif
  1521. result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
  1522. if (result < 0)
  1523. goto __err;
  1524. snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */
  1525. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
  1526. break;
  1527. case SNDRV_PCM_TRIGGER_STOP:
  1528. case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  1529. case SNDRV_PCM_TRIGGER_SUSPEND:
  1530. snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
  1531. snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
  1532. pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
  1533. pcm->tram_shift = 0;
  1534. break;
  1535. default:
  1536. result = -EINVAL;
  1537. break;
  1538. }
  1539. __err:
  1540. spin_unlock(&emu->reg_lock);
  1541. return result;
  1542. }
  1543. static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
  1544. {
  1545. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1546. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1547. size_t ptr; /* byte pointer */
  1548. if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
  1549. return 0;
  1550. ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
  1551. return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
  1552. }
  1553. static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
  1554. {
  1555. .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
  1556. SNDRV_PCM_INFO_RESUME |
  1557. /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
  1558. SNDRV_PCM_INFO_SYNC_APPLPTR),
  1559. .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
  1560. .rates = SNDRV_PCM_RATE_48000,
  1561. .rate_min = 48000,
  1562. .rate_max = 48000,
  1563. .channels_min = 1,
  1564. .channels_max = 1,
  1565. .buffer_bytes_max = (128*1024),
  1566. .period_bytes_min = 1024,
  1567. .period_bytes_max = (128*1024),
  1568. .periods_min = 2,
  1569. .periods_max = 1024,
  1570. .fifo_size = 0,
  1571. };
  1572. static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
  1573. {
  1574. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1575. struct snd_pcm_runtime *runtime = substream->runtime;
  1576. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1577. runtime->hw = snd_emu10k1_fx8010_playback;
  1578. runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
  1579. runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
  1580. spin_lock_irq(&emu->reg_lock);
  1581. if (pcm->valid == 0) {
  1582. spin_unlock_irq(&emu->reg_lock);
  1583. return -ENODEV;
  1584. }
  1585. pcm->opened = 1;
  1586. spin_unlock_irq(&emu->reg_lock);
  1587. return 0;
  1588. }
  1589. static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
  1590. {
  1591. struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  1592. struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
  1593. spin_lock_irq(&emu->reg_lock);
  1594. pcm->opened = 0;
  1595. spin_unlock_irq(&emu->reg_lock);
  1596. return 0;
  1597. }
  1598. static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
  1599. .open = snd_emu10k1_fx8010_playback_open,
  1600. .close = snd_emu10k1_fx8010_playback_close,
  1601. .hw_free = snd_emu10k1_fx8010_playback_hw_free,
  1602. .prepare = snd_emu10k1_fx8010_playback_prepare,
  1603. .trigger = snd_emu10k1_fx8010_playback_trigger,
  1604. .pointer = snd_emu10k1_fx8010_playback_pointer,
  1605. .ack = snd_emu10k1_fx8010_playback_transfer,
  1606. };
  1607. int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
  1608. {
  1609. struct snd_pcm *pcm;
  1610. struct snd_kcontrol *kctl;
  1611. int err;
  1612. err = snd_pcm_new(emu->card, "emu10k1 efx", device, emu->audigy ? 0 : 8, 1, &pcm);
  1613. if (err < 0)
  1614. return err;
  1615. pcm->private_data = emu;
  1616. if (!emu->audigy)
  1617. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
  1618. snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
  1619. pcm->info_flags = 0;
  1620. if (emu->audigy)
  1621. strcpy(pcm->name, "Multichannel Capture");
  1622. else
  1623. strcpy(pcm->name, "Multichannel Capture/PT Playback");
  1624. emu->pcm_efx = pcm;
  1625. /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
  1626. * to these
  1627. */
  1628. /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
  1629. if (emu->audigy) {
  1630. emu->efx_voices_mask[0] = 0;
  1631. if (emu->card_capabilities->emu_model)
  1632. /* Pavel Hofman - 32 voices will be used for
  1633. * capture (write mode) -
  1634. * each bit = corresponding voice
  1635. */
  1636. emu->efx_voices_mask[1] = 0xffffffff;
  1637. else
  1638. emu->efx_voices_mask[1] = 0xffff;
  1639. } else {
  1640. emu->efx_voices_mask[0] = 0xffff0000;
  1641. emu->efx_voices_mask[1] = 0;
  1642. }
  1643. /* For emu1010, the control has to set 32 upper bits (voices)
  1644. * out of the 64 bits (voices) to true for the 16-channels capture
  1645. * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
  1646. * is already defined but the snd_emu10k1_pcm_efx_voices_mask
  1647. * control can override this register's value.
  1648. */
  1649. kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
  1650. if (!kctl)
  1651. return -ENOMEM;
  1652. kctl->id.device = device;
  1653. err = snd_ctl_add(emu->card, kctl);
  1654. if (err < 0)
  1655. return err;
  1656. snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
  1657. 64*1024, 64*1024);
  1658. return 0;
  1659. }