gus_main.c 12 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Routines for Gravis UltraSound soundcards
  4. * Copyright (c) by Jaroslav Kysela <[email protected]>
  5. */
  6. #include <linux/init.h>
  7. #include <linux/interrupt.h>
  8. #include <linux/delay.h>
  9. #include <linux/slab.h>
  10. #include <linux/ioport.h>
  11. #include <linux/module.h>
  12. #include <sound/core.h>
  13. #include <sound/gus.h>
  14. #include <sound/control.h>
  15. #include <asm/dma.h>
  16. MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
  17. MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
  18. MODULE_LICENSE("GPL");
  19. static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
  20. int snd_gus_use_inc(struct snd_gus_card * gus)
  21. {
  22. if (!try_module_get(gus->card->module))
  23. return 0;
  24. return 1;
  25. }
  26. void snd_gus_use_dec(struct snd_gus_card * gus)
  27. {
  28. module_put(gus->card->module);
  29. }
  30. static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  31. {
  32. uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  33. uinfo->count = 1;
  34. uinfo->value.integer.min = 0;
  35. uinfo->value.integer.max = 31;
  36. return 0;
  37. }
  38. static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  39. {
  40. struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
  41. ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
  42. return 0;
  43. }
  44. static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  45. {
  46. struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
  47. unsigned long flags;
  48. int change;
  49. unsigned char nval;
  50. nval = ucontrol->value.integer.value[0] & 31;
  51. spin_lock_irqsave(&gus->reg_lock, flags);
  52. change = gus->joystick_dac != nval;
  53. gus->joystick_dac = nval;
  54. snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
  55. spin_unlock_irqrestore(&gus->reg_lock, flags);
  56. return change;
  57. }
  58. static const struct snd_kcontrol_new snd_gus_joystick_control = {
  59. .iface = SNDRV_CTL_ELEM_IFACE_CARD,
  60. .name = "Joystick Speed",
  61. .info = snd_gus_joystick_info,
  62. .get = snd_gus_joystick_get,
  63. .put = snd_gus_joystick_put
  64. };
  65. static void snd_gus_init_control(struct snd_gus_card *gus)
  66. {
  67. if (!gus->ace_flag)
  68. snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
  69. }
  70. /*
  71. *
  72. */
  73. static int snd_gus_free(struct snd_gus_card *gus)
  74. {
  75. if (gus->gf1.res_port2 == NULL)
  76. goto __hw_end;
  77. snd_gf1_stop(gus);
  78. snd_gus_init_dma_irq(gus, 0);
  79. __hw_end:
  80. release_and_free_resource(gus->gf1.res_port1);
  81. release_and_free_resource(gus->gf1.res_port2);
  82. if (gus->gf1.irq >= 0)
  83. free_irq(gus->gf1.irq, (void *) gus);
  84. if (gus->gf1.dma1 >= 0) {
  85. disable_dma(gus->gf1.dma1);
  86. free_dma(gus->gf1.dma1);
  87. }
  88. if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
  89. disable_dma(gus->gf1.dma2);
  90. free_dma(gus->gf1.dma2);
  91. }
  92. kfree(gus);
  93. return 0;
  94. }
  95. static int snd_gus_dev_free(struct snd_device *device)
  96. {
  97. struct snd_gus_card *gus = device->device_data;
  98. return snd_gus_free(gus);
  99. }
  100. int snd_gus_create(struct snd_card *card,
  101. unsigned long port,
  102. int irq, int dma1, int dma2,
  103. int timer_dev,
  104. int voices,
  105. int pcm_channels,
  106. int effect,
  107. struct snd_gus_card **rgus)
  108. {
  109. struct snd_gus_card *gus;
  110. int err;
  111. static const struct snd_device_ops ops = {
  112. .dev_free = snd_gus_dev_free,
  113. };
  114. *rgus = NULL;
  115. gus = kzalloc(sizeof(*gus), GFP_KERNEL);
  116. if (gus == NULL)
  117. return -ENOMEM;
  118. spin_lock_init(&gus->reg_lock);
  119. spin_lock_init(&gus->voice_alloc);
  120. spin_lock_init(&gus->active_voice_lock);
  121. spin_lock_init(&gus->event_lock);
  122. spin_lock_init(&gus->dma_lock);
  123. spin_lock_init(&gus->pcm_volume_level_lock);
  124. spin_lock_init(&gus->uart_cmd_lock);
  125. mutex_init(&gus->dma_mutex);
  126. gus->gf1.irq = -1;
  127. gus->gf1.dma1 = -1;
  128. gus->gf1.dma2 = -1;
  129. gus->card = card;
  130. gus->gf1.port = port;
  131. /* fill register variables for speedup */
  132. gus->gf1.reg_page = GUSP(gus, GF1PAGE);
  133. gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
  134. gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
  135. gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
  136. gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
  137. gus->gf1.reg_dram = GUSP(gus, DRAM);
  138. gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
  139. gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
  140. /* allocate resources */
  141. gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)");
  142. if (!gus->gf1.res_port1) {
  143. snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
  144. snd_gus_free(gus);
  145. return -EBUSY;
  146. }
  147. gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)");
  148. if (!gus->gf1.res_port2) {
  149. snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
  150. snd_gus_free(gus);
  151. return -EBUSY;
  152. }
  153. if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {
  154. snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
  155. snd_gus_free(gus);
  156. return -EBUSY;
  157. }
  158. gus->gf1.irq = irq;
  159. card->sync_irq = irq;
  160. if (request_dma(dma1, "GUS - 1")) {
  161. snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
  162. snd_gus_free(gus);
  163. return -EBUSY;
  164. }
  165. gus->gf1.dma1 = dma1;
  166. if (dma2 >= 0 && dma1 != dma2) {
  167. if (request_dma(dma2, "GUS - 2")) {
  168. snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
  169. snd_gus_free(gus);
  170. return -EBUSY;
  171. }
  172. gus->gf1.dma2 = dma2;
  173. } else {
  174. gus->gf1.dma2 = gus->gf1.dma1;
  175. gus->equal_dma = 1;
  176. }
  177. gus->timer_dev = timer_dev;
  178. if (voices < 14)
  179. voices = 14;
  180. if (voices > 32)
  181. voices = 32;
  182. if (pcm_channels < 0)
  183. pcm_channels = 0;
  184. if (pcm_channels > 8)
  185. pcm_channels = 8;
  186. pcm_channels++;
  187. pcm_channels &= ~1;
  188. gus->gf1.effect = effect ? 1 : 0;
  189. gus->gf1.active_voices = voices;
  190. gus->gf1.pcm_channels = pcm_channels;
  191. gus->gf1.volume_ramp = 25;
  192. gus->gf1.smooth_pan = 1;
  193. err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops);
  194. if (err < 0) {
  195. snd_gus_free(gus);
  196. return err;
  197. }
  198. *rgus = gus;
  199. return 0;
  200. }
  201. /*
  202. * Memory detection routine for plain GF1 soundcards
  203. */
  204. static int snd_gus_detect_memory(struct snd_gus_card * gus)
  205. {
  206. int l, idx, local;
  207. unsigned char d;
  208. snd_gf1_poke(gus, 0L, 0xaa);
  209. snd_gf1_poke(gus, 1L, 0x55);
  210. if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
  211. snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
  212. return -ENOMEM;
  213. }
  214. for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
  215. local = idx << 18;
  216. snd_gf1_poke(gus, local, d);
  217. snd_gf1_poke(gus, local + 1, d + 1);
  218. if (snd_gf1_peek(gus, local) != d ||
  219. snd_gf1_peek(gus, local + 1) != d + 1 ||
  220. snd_gf1_peek(gus, 0L) != 0xaa)
  221. break;
  222. }
  223. #if 1
  224. gus->gf1.memory = idx << 18;
  225. #else
  226. gus->gf1.memory = 256 * 1024;
  227. #endif
  228. for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
  229. gus->gf1.mem_alloc.banks_8[l].address =
  230. gus->gf1.mem_alloc.banks_8[l].size = 0;
  231. gus->gf1.mem_alloc.banks_16[l].address = l << 18;
  232. gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
  233. }
  234. gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
  235. return 0; /* some memory were detected */
  236. }
  237. static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
  238. {
  239. struct snd_card *card;
  240. unsigned long flags;
  241. int irq, dma1, dma2;
  242. static const unsigned char irqs[16] =
  243. {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
  244. static const unsigned char dmas[8] =
  245. {6, 1, 0, 2, 0, 3, 4, 5};
  246. if (snd_BUG_ON(!gus))
  247. return -EINVAL;
  248. card = gus->card;
  249. if (snd_BUG_ON(!card))
  250. return -EINVAL;
  251. gus->mix_cntrl_reg &= 0xf8;
  252. gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
  253. if (gus->codec_flag || gus->ess_flag) {
  254. gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
  255. gus->mix_cntrl_reg |= 4; /* enable MIC */
  256. }
  257. dma1 = gus->gf1.dma1;
  258. dma1 = abs(dma1);
  259. dma1 = dmas[dma1 & 7];
  260. dma2 = gus->gf1.dma2;
  261. dma2 = abs(dma2);
  262. dma2 = dmas[dma2 & 7];
  263. dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
  264. if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
  265. snd_printk(KERN_ERR "Error! DMA isn't defined.\n");
  266. return -EINVAL;
  267. }
  268. irq = gus->gf1.irq;
  269. irq = abs(irq);
  270. irq = irqs[irq & 0x0f];
  271. if (irq == 0) {
  272. snd_printk(KERN_ERR "Error! IRQ isn't defined.\n");
  273. return -EINVAL;
  274. }
  275. irq |= 0x40;
  276. #if 0
  277. card->mixer.mix_ctrl_reg |= 0x10;
  278. #endif
  279. spin_lock_irqsave(&gus->reg_lock, flags);
  280. outb(5, GUSP(gus, REGCNTRLS));
  281. outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  282. outb(0x00, GUSP(gus, IRQDMACNTRLREG));
  283. outb(0, GUSP(gus, REGCNTRLS));
  284. spin_unlock_irqrestore(&gus->reg_lock, flags);
  285. udelay(100);
  286. spin_lock_irqsave(&gus->reg_lock, flags);
  287. outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  288. outb(dma1, GUSP(gus, IRQDMACNTRLREG));
  289. if (latches) {
  290. outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  291. outb(irq, GUSP(gus, IRQDMACNTRLREG));
  292. }
  293. spin_unlock_irqrestore(&gus->reg_lock, flags);
  294. udelay(100);
  295. spin_lock_irqsave(&gus->reg_lock, flags);
  296. outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  297. outb(dma1, GUSP(gus, IRQDMACNTRLREG));
  298. if (latches) {
  299. outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  300. outb(irq, GUSP(gus, IRQDMACNTRLREG));
  301. }
  302. spin_unlock_irqrestore(&gus->reg_lock, flags);
  303. snd_gf1_delay(gus);
  304. if (latches)
  305. gus->mix_cntrl_reg |= 0x08; /* enable latches */
  306. else
  307. gus->mix_cntrl_reg &= ~0x08; /* disable latches */
  308. spin_lock_irqsave(&gus->reg_lock, flags);
  309. outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
  310. outb(0, GUSP(gus, GF1PAGE));
  311. spin_unlock_irqrestore(&gus->reg_lock, flags);
  312. return 0;
  313. }
  314. static int snd_gus_check_version(struct snd_gus_card * gus)
  315. {
  316. unsigned long flags;
  317. unsigned char val, rev;
  318. struct snd_card *card;
  319. card = gus->card;
  320. spin_lock_irqsave(&gus->reg_lock, flags);
  321. outb(0x20, GUSP(gus, REGCNTRLS));
  322. val = inb(GUSP(gus, REGCNTRLS));
  323. rev = inb(GUSP(gus, BOARDVERSION));
  324. spin_unlock_irqrestore(&gus->reg_lock, flags);
  325. snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
  326. strcpy(card->driver, "GUS");
  327. strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
  328. if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
  329. if (rev >= 5 && rev <= 9) {
  330. gus->ics_flag = 1;
  331. if (rev == 5)
  332. gus->ics_flipped = 1;
  333. card->longname[27] = '3';
  334. card->longname[29] = rev == 5 ? '5' : '7';
  335. }
  336. if (rev >= 10 && rev != 255) {
  337. if (rev >= 10 && rev <= 11) {
  338. strcpy(card->driver, "GUS MAX");
  339. strcpy(card->longname, "Gravis UltraSound MAX");
  340. gus->max_flag = 1;
  341. } else if (rev == 0x30) {
  342. strcpy(card->driver, "GUS ACE");
  343. strcpy(card->longname, "Gravis UltraSound Ace");
  344. gus->ace_flag = 1;
  345. } else if (rev == 0x50) {
  346. strcpy(card->driver, "GUS Extreme");
  347. strcpy(card->longname, "Gravis UltraSound Extreme");
  348. gus->ess_flag = 1;
  349. } else {
  350. snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
  351. snd_printk(KERN_ERR " please - report to <[email protected]>\n");
  352. }
  353. }
  354. }
  355. strscpy(card->shortname, card->longname, sizeof(card->shortname));
  356. gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
  357. snd_gus_init_control(gus);
  358. return 0;
  359. }
  360. int snd_gus_initialize(struct snd_gus_card *gus)
  361. {
  362. int err;
  363. if (!gus->interwave) {
  364. err = snd_gus_check_version(gus);
  365. if (err < 0) {
  366. snd_printk(KERN_ERR "version check failed\n");
  367. return err;
  368. }
  369. err = snd_gus_detect_memory(gus);
  370. if (err < 0)
  371. return err;
  372. }
  373. err = snd_gus_init_dma_irq(gus, 1);
  374. if (err < 0)
  375. return err;
  376. snd_gf1_start(gus);
  377. gus->initialized = 1;
  378. return 0;
  379. }
  380. /* gus_io.c */
  381. EXPORT_SYMBOL(snd_gf1_delay);
  382. EXPORT_SYMBOL(snd_gf1_write8);
  383. EXPORT_SYMBOL(snd_gf1_look8);
  384. EXPORT_SYMBOL(snd_gf1_write16);
  385. EXPORT_SYMBOL(snd_gf1_look16);
  386. EXPORT_SYMBOL(snd_gf1_i_write8);
  387. EXPORT_SYMBOL(snd_gf1_i_look8);
  388. EXPORT_SYMBOL(snd_gf1_i_look16);
  389. EXPORT_SYMBOL(snd_gf1_dram_addr);
  390. EXPORT_SYMBOL(snd_gf1_write_addr);
  391. EXPORT_SYMBOL(snd_gf1_poke);
  392. EXPORT_SYMBOL(snd_gf1_peek);
  393. /* gus_reset.c */
  394. EXPORT_SYMBOL(snd_gf1_alloc_voice);
  395. EXPORT_SYMBOL(snd_gf1_free_voice);
  396. EXPORT_SYMBOL(snd_gf1_ctrl_stop);
  397. EXPORT_SYMBOL(snd_gf1_stop_voice);
  398. /* gus_mixer.c */
  399. EXPORT_SYMBOL(snd_gf1_new_mixer);
  400. /* gus_pcm.c */
  401. EXPORT_SYMBOL(snd_gf1_pcm_new);
  402. /* gus.c */
  403. EXPORT_SYMBOL(snd_gus_use_inc);
  404. EXPORT_SYMBOL(snd_gus_use_dec);
  405. EXPORT_SYMBOL(snd_gus_create);
  406. EXPORT_SYMBOL(snd_gus_initialize);
  407. /* gus_irq.c */
  408. EXPORT_SYMBOL(snd_gus_interrupt);
  409. /* gus_uart.c */
  410. EXPORT_SYMBOL(snd_gf1_rawmidi_new);
  411. /* gus_dram.c */
  412. EXPORT_SYMBOL(snd_gus_dram_write);
  413. EXPORT_SYMBOL(snd_gus_dram_read);
  414. /* gus_volume.c */
  415. EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
  416. EXPORT_SYMBOL(snd_gf1_translate_freq);
  417. /* gus_mem.c */
  418. EXPORT_SYMBOL(snd_gf1_mem_alloc);
  419. EXPORT_SYMBOL(snd_gf1_mem_xfree);
  420. EXPORT_SYMBOL(snd_gf1_mem_free);
  421. EXPORT_SYMBOL(snd_gf1_mem_lock);