sound/isa/azt2320.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3     card-azt2320.c - driver for Aztech Systems AZT2320 based soundcards.
   4     Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
   5
   6 */
   7
   8 /*
   9     This driver should provide support for most Aztech AZT2320 based cards.
  10     Several AZT2316 chips are also supported/tested, but autoprobe doesn't
  11     work: all module option have to be set.
  12
  13     No docs available for us at Aztech headquarters !!!   Unbelievable ...
  14     No other help obtained.
  15
  16     Thanks to Rainer Wiesner <rainer.wiesner@01019freenet.de> for the WSS
  17     activation method (full-duplex audio!).
  18 */
  19
  20 #include <linux/io.h>
  21 #include <linux/delay.h>
  22 #include <linux/init.h>
  23 #include <linux/time.h>
  24 #include <linux/wait.h>
  25 #include <linux/pnp.h>
  26 #include <linux/module.h>
  27 #include <sound/core.h>
  28 #include <sound/initval.h>
  29 #include <sound/wss.h>
  30 #include <sound/mpu401.h>
  31 #include <sound/opl3.h>
  32
  33 #define PFX "azt2320: "
  34
  35 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
  36 MODULE_DESCRIPTION("Aztech Systems AZT2320");
  37 MODULE_LICENSE("GPL");
  38
  39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  41 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
  42 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* PnP setup */
  43 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
  44 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
  45 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
  46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* Pnp setup */
  47 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* Pnp setup */
  48 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */
  49 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */
  50
  51 module_param_array(index, int, NULL, 0444);
  52 MODULE_PARM_DESC(index, "Index value for azt2320 based soundcard.");
  53 module_param_array(id, charp, NULL, 0444);
  54 MODULE_PARM_DESC(id, "ID string for azt2320 based soundcard.");
  55 module_param_array(enable, bool, NULL, 0444);
  56 MODULE_PARM_DESC(enable, "Enable azt2320 based soundcard.");
  57
  58 struct snd_card_azt2320 {
  59         int dev_no;
  60         struct pnp_dev *dev;
  61         struct pnp_dev *devmpu;
  62         struct snd_wss *chip;
  63 };
  64
  65 static const struct pnp_card_device_id snd_azt2320_pnpids[] = {
  66         /* PRO16V */
  67         { .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } },
  68         /* Aztech Sound Galaxy 16 */
  69         { .id = "AZT2320", .devs = { { "AZT0001" }, { "AZT0002" }, } },
  70         /* Packard Bell Sound III 336 AM/SP */
  71         { .id = "AZT3000", .devs = { { "AZT1003" }, { "AZT2001" }, } },
  72         /* AT3300 */
  73         { .id = "AZT3002", .devs = { { "AZT1004" }, { "AZT2001" }, } },
  74         /* --- */
  75         { .id = "AZT3005", .devs = { { "AZT1003" }, { "AZT2001" }, } },
  76         /* --- */
  77         { .id = "AZT3011", .devs = { { "AZT1003" }, { "AZT2001" }, } },
  78         { .id = "" }    /* end */
  79 };
  80
  81 MODULE_DEVICE_TABLE(pnp_card, snd_azt2320_pnpids);
  82
  83 #define DRIVER_NAME     "snd-card-azt2320"
  84
  85 static int snd_card_azt2320_pnp(int dev, struct snd_card_azt2320 *acard,
  86                                 struct pnp_card_link *card,
  87                                 const struct pnp_card_device_id *id)
  88 {
  89         struct pnp_dev *pdev;
  90         int err;
  91
  92         acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
  93         if (acard->dev == NULL)
  94                 return -ENODEV;
  95
  96         acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL);
  97
  98         pdev = acard->dev;
  99
 100         err = pnp_activate_dev(pdev);
 101         if (err < 0) {
 102                 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
 103                 return err;
 104         }
 105         port[dev] = pnp_port_start(pdev, 0);
 106         fm_port[dev] = pnp_port_start(pdev, 1);
 107         wss_port[dev] = pnp_port_start(pdev, 2);
 108         dma1[dev] = pnp_dma(pdev, 0);
 109         dma2[dev] = pnp_dma(pdev, 1);
 110         irq[dev] = pnp_irq(pdev, 0);
 111
 112         pdev = acard->devmpu;
 113         if (pdev != NULL) {
 114                 err = pnp_activate_dev(pdev);
 115                 if (err < 0)
 116                         goto __mpu_error;
 117                 mpu_port[dev] = pnp_port_start(pdev, 0);
 118                 mpu_irq[dev] = pnp_irq(pdev, 0);
 119         } else {
 120              __mpu_error:
 121                 if (pdev) {
 122                         pnp_release_card_device(pdev);
 123                         snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n");
 124                 }
 125                 acard->devmpu = NULL;
 126                 mpu_port[dev] = -1;
 127         }
 128
 129         return 0;
 130 }
 131
 132 /* same of snd_sbdsp_command by Jaroslav Kysela */
 133 static int snd_card_azt2320_command(unsigned long port, unsigned char val)
 134 {
 135         int i;
 136         unsigned long limit;
 137
 138         limit = jiffies + HZ / 10;
 139         for (i = 50000; i && time_after(limit, jiffies); i--)
 140                 if (!(inb(port + 0x0c) & 0x80)) {
 141                         outb(val, port + 0x0c);
 142                         return 0;
 143                 }
 144         return -EBUSY;
 145 }
 146
 147 static int snd_card_azt2320_enable_wss(unsigned long port)
 148 {
 149         int error;
 150
 151         error = snd_card_azt2320_command(port, 0x09);
 152         if (error)
 153                 return error;
 154         error = snd_card_azt2320_command(port, 0x00);
 155         if (error)
 156                 return error;
 157
 158         mdelay(5);
 159         return 0;
 160 }
 161
 162 static int snd_card_azt2320_probe(int dev,
 163                                   struct pnp_card_link *pcard,
 164                                   const struct pnp_card_device_id *pid)
 165 {
 166         int error;
 167         struct snd_card *card;
 168         struct snd_card_azt2320 *acard;
 169         struct snd_wss *chip;
 170         struct snd_opl3 *opl3;
 171
 172         error = snd_devm_card_new(&pcard->card->dev,
 173                                   index[dev], id[dev], THIS_MODULE,
 174                                   sizeof(struct snd_card_azt2320), &card);
 175         if (error < 0)
 176                 return error;
 177         acard = card->private_data;
 178
 179         error = snd_card_azt2320_pnp(dev, acard, pcard, pid);
 180         if (error)
 181                 return error;
 182
 183         error = snd_card_azt2320_enable_wss(port[dev]);
 184         if (error)
 185                 return error;
 186
 187         error = snd_wss_create(card, wss_port[dev], -1,
 188                                irq[dev],
 189                                dma1[dev], dma2[dev],
 190                                WSS_HW_DETECT, 0, &chip);
 191         if (error < 0)
 192                 return error;
 193
 194         strcpy(card->driver, "AZT2320");
 195         strcpy(card->shortname, "Aztech AZT2320");
 196         sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i",
 197                 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);
 198
 199         error = snd_wss_pcm(chip, 0);
 200         if (error < 0)
 201                 return error;
 202         error = snd_wss_mixer(chip);
 203         if (error < 0)
 204                 return error;
 205         error = snd_wss_timer(chip, 0);
 206         if (error < 0)
 207                 return error;
 208
 209         if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
 210                 if (snd_mpu401_uart_new(card, 0, MPU401_HW_AZT2320,
 211                                 mpu_port[dev], 0,
 212                                 mpu_irq[dev], NULL) < 0)
 213                         snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]);
 214         }
 215
 216         if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
 217                 if (snd_opl3_create(card,
 218                                     fm_port[dev], fm_port[dev] + 2,
 219                                     OPL3_HW_AUTO, 0, &opl3) < 0) {
 220                         snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
 221                                    fm_port[dev], fm_port[dev] + 2);
 222                 } else {
 223                         error = snd_opl3_timer_new(opl3, 1, 2);
 224                         if (error < 0)
 225                                 return error;
 226                         error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 227                         if (error < 0)
 228                                 return error;
 229                 }
 230         }
 231
 232         error = snd_card_register(card);
 233         if (error < 0)
 234                 return error;
 235         pnp_set_card_drvdata(pcard, card);
 236         return 0;
 237 }
 238
 239 static unsigned int azt2320_devices;
 240
 241 static int snd_azt2320_pnp_detect(struct pnp_card_link *card,
 242                                   const struct pnp_card_device_id *id)
 243 {
 244         static int dev;
 245         int res;
 246
 247         for ( ; dev < SNDRV_CARDS; dev++) {
 248                 if (!enable[dev])
 249                         continue;
 250                 res = snd_card_azt2320_probe(dev, card, id);
 251                 if (res < 0)
 252                         return res;
 253                 dev++;
 254                 azt2320_devices++;
 255                 return 0;
 256         }
 257         return -ENODEV;
 258 }
 259
 260 #ifdef CONFIG_PM
 261 static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
 262 {
 263         struct snd_card *card = pnp_get_card_drvdata(pcard);
 264         struct snd_card_azt2320 *acard = card->private_data;
 265         struct snd_wss *chip = acard->chip;
 266
 267         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 268         chip->suspend(chip);
 269         return 0;
 270 }
 271
 272 static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard)
 273 {
 274         struct snd_card *card = pnp_get_card_drvdata(pcard);
 275         struct snd_card_azt2320 *acard = card->private_data;
 276         struct snd_wss *chip = acard->chip;
 277
 278         chip->resume(chip);
 279         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 280         return 0;
 281 }
 282 #endif
 283
 284 static struct pnp_card_driver azt2320_pnpc_driver = {
 285         .flags          = PNP_DRIVER_RES_DISABLE,
 286         .name           = "azt2320",
 287         .id_table       = snd_azt2320_pnpids,
 288         .probe          = snd_azt2320_pnp_detect,
 289 #ifdef CONFIG_PM
 290         .suspend        = snd_azt2320_pnp_suspend,
 291         .resume         = snd_azt2320_pnp_resume,
 292 #endif
 293 };
 294
 295 static int __init alsa_card_azt2320_init(void)
 296 {
 297         int err;
 298
 299         err = pnp_register_card_driver(&azt2320_pnpc_driver);
 300         if (err)
 301                 return err;
 302
 303         if (!azt2320_devices) {
 304                 pnp_unregister_card_driver(&azt2320_pnpc_driver);
 305 #ifdef MODULE
 306                 snd_printk(KERN_ERR "no AZT2320 based soundcards found\n");
 307 #endif
 308                 return -ENODEV;
 309         }
 310         return 0;
 311 }
 312
 313 static void __exit alsa_card_azt2320_exit(void)
 314 {
 315         pnp_unregister_card_driver(&azt2320_pnpc_driver);
 316 }
 317
 318 module_init(alsa_card_azt2320_init)
 319 module_exit(alsa_card_azt2320_exit)