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