1 2 /* 3 * jazz16.c - driver for Media Vision Jazz16 based soundcards. 4 * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl> 5 * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman. 6 * Based on OSS Sound Blaster driver. 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file COPYING in the main directory of this archive for 10 * more details. 11 * 12 */ 13 14 #include <linux/init.h> 15 #include <linux/module.h> 16 #include <linux/io.h> 17 #include <asm/dma.h> 18 #include <linux/isa.h> 19 #include <sound/core.h> 20 #include <sound/mpu401.h> 21 #include <sound/opl3.h> 22 #include <sound/sb.h> 23 #define SNDRV_LEGACY_FIND_FREE_IRQ 24 #define SNDRV_LEGACY_FIND_FREE_DMA 25 #include <sound/initval.h> 26 27 #define PFX "jazz16: " 28 29 MODULE_DESCRIPTION("Media Vision Jazz16"); 30 MODULE_SUPPORTED_DEVICE("{{Media Vision ??? }," 31 "{RTL,RTL3000}}"); 32 33 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>"); 34 MODULE_LICENSE("GPL"); 35 36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 37 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 38 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 39 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 40 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; 41 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 42 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; 43 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 44 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; 45 46 module_param_array(index, int, NULL, 0444); 47 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard."); 48 module_param_array(id, charp, NULL, 0444); 49 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard."); 50 module_param_array(enable, bool, NULL, 0444); 51 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard."); 52 module_param_array(port, long, NULL, 0444); 53 MODULE_PARM_DESC(port, "Port # for jazz16 driver."); 54 module_param_array(mpu_port, long, NULL, 0444); 55 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver."); 56 module_param_array(irq, int, NULL, 0444); 57 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver."); 58 module_param_array(mpu_irq, int, NULL, 0444); 59 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver."); 60 module_param_array(dma8, int, NULL, 0444); 61 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver."); 62 module_param_array(dma16, int, NULL, 0444); 63 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver."); 64 65 #define SB_JAZZ16_WAKEUP 0xaf 66 #define SB_JAZZ16_SET_PORTS 0x50 67 #define SB_DSP_GET_JAZZ_BRD_REV 0xfa 68 #define SB_JAZZ16_SET_DMAINTR 0xfb 69 #define SB_DSP_GET_JAZZ_MODEL 0xfe 70 71 struct snd_card_jazz16 { 72 struct snd_sb *chip; 73 }; 74 75 static irqreturn_t jazz16_interrupt(int irq, void *chip) 76 { 77 return snd_sb8dsp_interrupt(chip); 78 } 79 80 static int __devinit jazz16_configure_ports(unsigned long port, 81 unsigned long mpu_port, int idx) 82 { 83 unsigned char val; 84 85 if (!request_region(0x201, 1, "jazz16 config")) { 86 snd_printk(KERN_ERR "config port region is already in use.\n"); 87 return -EBUSY; 88 } 89 outb(SB_JAZZ16_WAKEUP - idx, 0x201); 90 udelay(100); 91 outb(SB_JAZZ16_SET_PORTS + idx, 0x201); 92 udelay(100); 93 val = port & 0x70; 94 val |= (mpu_port & 0x30) >> 4; 95 outb(val, 0x201); 96 97 release_region(0x201, 1); 98 return 0; 99 } 100 101 static int __devinit jazz16_detect_board(unsigned long port, 102 unsigned long mpu_port) 103 { 104 int err; 105 int val; 106 struct snd_sb chip; 107 108 if (!request_region(port, 0x10, "jazz16")) { 109 snd_printk(KERN_ERR "I/O port region is already in use.\n"); 110 return -EBUSY; 111 } 112 /* just to call snd_sbdsp_command/reset/get_byte() */ 113 chip.port = port; 114 115 err = snd_sbdsp_reset(&chip); 116 if (err < 0) 117 for (val = 0; val < 4; val++) { 118 err = jazz16_configure_ports(port, mpu_port, val); 119 if (err < 0) 120 break; 121 122 err = snd_sbdsp_reset(&chip); 123 if (!err) 124 break; 125 } 126 if (err < 0) { 127 err = -ENODEV; 128 goto err_unmap; 129 } 130 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) { 131 err = -EBUSY; 132 goto err_unmap; 133 } 134 val = snd_sbdsp_get_byte(&chip); 135 if (val >= 0x30) 136 snd_sbdsp_get_byte(&chip); 137 138 if ((val & 0xf0) != 0x10) { 139 err = -ENODEV; 140 goto err_unmap; 141 } 142 if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) { 143 err = -EBUSY; 144 goto err_unmap; 145 } 146 snd_sbdsp_get_byte(&chip); 147 err = snd_sbdsp_get_byte(&chip); 148 snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n", 149 val, err); 150 151 err = 0; 152 153 err_unmap: 154 release_region(port, 0x10); 155 return err; 156 } 157 158 static int __devinit jazz16_configure_board(struct snd_sb *chip, int mpu_irq) 159 { 160 static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4, 161 0, 2, 5, 0, 0, 0, 0, 6 }; 162 static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 }; 163 164 if (jazz_dma_bits[chip->dma8] == 0 || 165 jazz_dma_bits[chip->dma16] == 0 || 166 jazz_irq_bits[chip->irq] == 0) 167 return -EINVAL; 168 169 if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR)) 170 return -EBUSY; 171 172 if (!snd_sbdsp_command(chip, 173 jazz_dma_bits[chip->dma8] | 174 (jazz_dma_bits[chip->dma16] << 4))) 175 return -EBUSY; 176 177 if (!snd_sbdsp_command(chip, 178 jazz_irq_bits[chip->irq] | 179 (jazz_irq_bits[mpu_irq] << 4))) 180 return -EBUSY; 181 182 return 0; 183 } 184 185 static int __devinit snd_jazz16_match(struct device *devptr, unsigned int dev) 186 { 187 if (!enable[dev]) 188 return 0; 189 if (port[dev] == SNDRV_AUTO_PORT) { 190 snd_printk(KERN_ERR "please specify port\n"); 191 return 0; 192 } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) { 193 snd_printk(KERN_ERR "incorrect port specified\n"); 194 return 0; 195 } 196 if (dma8[dev] != SNDRV_AUTO_DMA && 197 dma8[dev] != 1 && dma8[dev] != 3) { 198 snd_printk(KERN_ERR "dma8 must be 1 or 3\n"); 199 return 0; 200 } 201 if (dma16[dev] != SNDRV_AUTO_DMA && 202 dma16[dev] != 5 && dma16[dev] != 7) { 203 snd_printk(KERN_ERR "dma16 must be 5 or 7\n"); 204 return 0; 205 } 206 if (mpu_port[dev] != SNDRV_AUTO_PORT && 207 (mpu_port[dev] & ~0x030) != 0x300) { 208 snd_printk(KERN_ERR "incorrect mpu_port specified\n"); 209 return 0; 210 } 211 if (mpu_irq[dev] != SNDRV_AUTO_DMA && 212 mpu_irq[dev] != 2 && mpu_irq[dev] != 3 && 213 mpu_irq[dev] != 5 && mpu_irq[dev] != 7) { 214 snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n"); 215 return 0; 216 } 217 return 1; 218 } 219 220 static int __devinit snd_jazz16_probe(struct device *devptr, unsigned int dev) 221 { 222 struct snd_card *card; 223 struct snd_card_jazz16 *jazz16; 224 struct snd_sb *chip; 225 struct snd_opl3 *opl3; 226 static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1}; 227 static int possible_dmas8[] = {1, 3, -1}; 228 static int possible_dmas16[] = {5, 7, -1}; 229 int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq; 230 231 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 232 sizeof(struct snd_card_jazz16), &card); 233 if (err < 0) 234 return err; 235 236 jazz16 = card->private_data; 237 238 xirq = irq[dev]; 239 if (xirq == SNDRV_AUTO_IRQ) { 240 xirq = snd_legacy_find_free_irq(possible_irqs); 241 if (xirq < 0) { 242 snd_printk(KERN_ERR "unable to find a free IRQ\n"); 243 err = -EBUSY; 244 goto err_free; 245 } 246 } 247 xdma8 = dma8[dev]; 248 if (xdma8 == SNDRV_AUTO_DMA) { 249 xdma8 = snd_legacy_find_free_dma(possible_dmas8); 250 if (xdma8 < 0) { 251 snd_printk(KERN_ERR "unable to find a free DMA8\n"); 252 err = -EBUSY; 253 goto err_free; 254 } 255 } 256 xdma16 = dma16[dev]; 257 if (xdma16 == SNDRV_AUTO_DMA) { 258 xdma16 = snd_legacy_find_free_dma(possible_dmas16); 259 if (xdma16 < 0) { 260 snd_printk(KERN_ERR "unable to find a free DMA16\n"); 261 err = -EBUSY; 262 goto err_free; 263 } 264 } 265 266 xmpu_port = mpu_port[dev]; 267 if (xmpu_port == SNDRV_AUTO_PORT) 268 xmpu_port = 0; 269 err = jazz16_detect_board(port[dev], xmpu_port); 270 if (err < 0) { 271 printk(KERN_ERR "Media Vision Jazz16 board not detected\n"); 272 goto err_free; 273 } 274 err = snd_sbdsp_create(card, port[dev], irq[dev], 275 jazz16_interrupt, 276 dma8[dev], dma16[dev], 277 SB_HW_JAZZ16, 278 &chip); 279 if (err < 0) 280 goto err_free; 281 282 xmpu_irq = mpu_irq[dev]; 283 if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT) 284 xmpu_irq = 0; 285 err = jazz16_configure_board(chip, xmpu_irq); 286 if (err < 0) { 287 printk(KERN_ERR "Media Vision Jazz16 configuration failed\n"); 288 goto err_free; 289 } 290 291 jazz16->chip = chip; 292 293 strcpy(card->driver, "jazz16"); 294 strcpy(card->shortname, "Media Vision Jazz16"); 295 sprintf(card->longname, 296 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d", 297 port[dev], xirq, xdma8, xdma16); 298 299 err = snd_sb8dsp_pcm(chip, 0, NULL); 300 if (err < 0) 301 goto err_free; 302 err = snd_sbmixer_new(chip); 303 if (err < 0) 304 goto err_free; 305 306 err = snd_opl3_create(card, chip->port, chip->port + 2, 307 OPL3_HW_AUTO, 1, &opl3); 308 if (err < 0) 309 snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n", 310 chip->port, chip->port + 2); 311 else { 312 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 313 if (err < 0) 314 goto err_free; 315 } 316 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { 317 if (mpu_irq[dev] == SNDRV_AUTO_IRQ) 318 mpu_irq[dev] = -1; 319 320 if (snd_mpu401_uart_new(card, 0, 321 MPU401_HW_MPU401, 322 mpu_port[dev], 0, 323 mpu_irq[dev], 324 mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0, 325 NULL) < 0) 326 snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n", 327 mpu_port[dev]); 328 } 329 330 snd_card_set_dev(card, devptr); 331 332 err = snd_card_register(card); 333 if (err < 0) 334 goto err_free; 335 336 dev_set_drvdata(devptr, card); 337 return 0; 338 339 err_free: 340 snd_card_free(card); 341 return err; 342 } 343 344 static int __devexit snd_jazz16_remove(struct device *devptr, unsigned int dev) 345 { 346 struct snd_card *card = dev_get_drvdata(devptr); 347 348 dev_set_drvdata(devptr, NULL); 349 snd_card_free(card); 350 return 0; 351 } 352 353 #ifdef CONFIG_PM 354 static int snd_jazz16_suspend(struct device *pdev, unsigned int n, 355 pm_message_t state) 356 { 357 struct snd_card *card = dev_get_drvdata(pdev); 358 struct snd_card_jazz16 *acard = card->private_data; 359 struct snd_sb *chip = acard->chip; 360 361 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 362 snd_pcm_suspend_all(chip->pcm); 363 snd_sbmixer_suspend(chip); 364 return 0; 365 } 366 367 static int snd_jazz16_resume(struct device *pdev, unsigned int n) 368 { 369 struct snd_card *card = dev_get_drvdata(pdev); 370 struct snd_card_jazz16 *acard = card->private_data; 371 struct snd_sb *chip = acard->chip; 372 373 snd_sbdsp_reset(chip); 374 snd_sbmixer_resume(chip); 375 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 376 return 0; 377 } 378 #endif 379 380 static struct isa_driver snd_jazz16_driver = { 381 .match = snd_jazz16_match, 382 .probe = snd_jazz16_probe, 383 .remove = __devexit_p(snd_jazz16_remove), 384 #ifdef CONFIG_PM 385 .suspend = snd_jazz16_suspend, 386 .resume = snd_jazz16_resume, 387 #endif 388 .driver = { 389 .name = "jazz16" 390 }, 391 }; 392 393 static int __init alsa_card_jazz16_init(void) 394 { 395 return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS); 396 } 397 398 static void __exit alsa_card_jazz16_exit(void) 399 { 400 isa_unregister_driver(&snd_jazz16_driver); 401 } 402 403 module_init(alsa_card_jazz16_init) 404 module_exit(alsa_card_jazz16_exit) 405