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 MODULE_SUPPORTED_DEVICE("{{Aztech Systems,PRO16V}," 39 "{Aztech Systems,AZT2320}," 40 "{Aztech Systems,AZT3300}," 41 "{Aztech Systems,AZT2320}," 42 "{Aztech Systems,AZT3000}}"); 43 44 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 45 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 46 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */ 47 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 48 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 49 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 50 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */ 52 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */ 53 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */ 54 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */ 55 56 module_param_array(index, int, NULL, 0444); 57 MODULE_PARM_DESC(index, "Index value for azt2320 based soundcard."); 58 module_param_array(id, charp, NULL, 0444); 59 MODULE_PARM_DESC(id, "ID string for azt2320 based soundcard."); 60 module_param_array(enable, bool, NULL, 0444); 61 MODULE_PARM_DESC(enable, "Enable azt2320 based soundcard."); 62 63 struct snd_card_azt2320 { 64 int dev_no; 65 struct pnp_dev *dev; 66 struct pnp_dev *devmpu; 67 struct snd_wss *chip; 68 }; 69 70 static const struct pnp_card_device_id snd_azt2320_pnpids[] = { 71 /* PRO16V */ 72 { .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } }, 73 /* Aztech Sound Galaxy 16 */ 74 { .id = "AZT2320", .devs = { { "AZT0001" }, { "AZT0002" }, } }, 75 /* Packard Bell Sound III 336 AM/SP */ 76 { .id = "AZT3000", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 77 /* AT3300 */ 78 { .id = "AZT3002", .devs = { { "AZT1004" }, { "AZT2001" }, } }, 79 /* --- */ 80 { .id = "AZT3005", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 81 /* --- */ 82 { .id = "AZT3011", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 83 { .id = "" } /* end */ 84 }; 85 86 MODULE_DEVICE_TABLE(pnp_card, snd_azt2320_pnpids); 87 88 #define DRIVER_NAME "snd-card-azt2320" 89 90 static int snd_card_azt2320_pnp(int dev, struct snd_card_azt2320 *acard, 91 struct pnp_card_link *card, 92 const struct pnp_card_device_id *id) 93 { 94 struct pnp_dev *pdev; 95 int err; 96 97 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); 98 if (acard->dev == NULL) 99 return -ENODEV; 100 101 acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL); 102 103 pdev = acard->dev; 104 105 err = pnp_activate_dev(pdev); 106 if (err < 0) { 107 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); 108 return err; 109 } 110 port[dev] = pnp_port_start(pdev, 0); 111 fm_port[dev] = pnp_port_start(pdev, 1); 112 wss_port[dev] = pnp_port_start(pdev, 2); 113 dma1[dev] = pnp_dma(pdev, 0); 114 dma2[dev] = pnp_dma(pdev, 1); 115 irq[dev] = pnp_irq(pdev, 0); 116 117 pdev = acard->devmpu; 118 if (pdev != NULL) { 119 err = pnp_activate_dev(pdev); 120 if (err < 0) 121 goto __mpu_error; 122 mpu_port[dev] = pnp_port_start(pdev, 0); 123 mpu_irq[dev] = pnp_irq(pdev, 0); 124 } else { 125 __mpu_error: 126 if (pdev) { 127 pnp_release_card_device(pdev); 128 snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n"); 129 } 130 acard->devmpu = NULL; 131 mpu_port[dev] = -1; 132 } 133 134 return 0; 135 } 136 137 /* same of snd_sbdsp_command by Jaroslav Kysela */ 138 static int snd_card_azt2320_command(unsigned long port, unsigned char val) 139 { 140 int i; 141 unsigned long limit; 142 143 limit = jiffies + HZ / 10; 144 for (i = 50000; i && time_after(limit, jiffies); i--) 145 if (!(inb(port + 0x0c) & 0x80)) { 146 outb(val, port + 0x0c); 147 return 0; 148 } 149 return -EBUSY; 150 } 151 152 static int snd_card_azt2320_enable_wss(unsigned long port) 153 { 154 int error; 155 156 if ((error = snd_card_azt2320_command(port, 0x09))) 157 return error; 158 if ((error = snd_card_azt2320_command(port, 0x00))) 159 return error; 160 161 mdelay(5); 162 return 0; 163 } 164 165 static int snd_card_azt2320_probe(int dev, 166 struct pnp_card_link *pcard, 167 const struct pnp_card_device_id *pid) 168 { 169 int error; 170 struct snd_card *card; 171 struct snd_card_azt2320 *acard; 172 struct snd_wss *chip; 173 struct snd_opl3 *opl3; 174 175 error = snd_card_new(&pcard->card->dev, 176 index[dev], id[dev], THIS_MODULE, 177 sizeof(struct snd_card_azt2320), &card); 178 if (error < 0) 179 return error; 180 acard = card->private_data; 181 182 if ((error = snd_card_azt2320_pnp(dev, acard, pcard, pid))) { 183 snd_card_free(card); 184 return error; 185 } 186 187 if ((error = snd_card_azt2320_enable_wss(port[dev]))) { 188 snd_card_free(card); 189 return error; 190 } 191 192 error = snd_wss_create(card, wss_port[dev], -1, 193 irq[dev], 194 dma1[dev], dma2[dev], 195 WSS_HW_DETECT, 0, &chip); 196 if (error < 0) { 197 snd_card_free(card); 198 return error; 199 } 200 201 strcpy(card->driver, "AZT2320"); 202 strcpy(card->shortname, "Aztech AZT2320"); 203 sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i", 204 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]); 205 206 error = snd_wss_pcm(chip, 0); 207 if (error < 0) { 208 snd_card_free(card); 209 return error; 210 } 211 error = snd_wss_mixer(chip); 212 if (error < 0) { 213 snd_card_free(card); 214 return error; 215 } 216 error = snd_wss_timer(chip, 0); 217 if (error < 0) { 218 snd_card_free(card); 219 return error; 220 } 221 222 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { 223 if (snd_mpu401_uart_new(card, 0, MPU401_HW_AZT2320, 224 mpu_port[dev], 0, 225 mpu_irq[dev], NULL) < 0) 226 snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]); 227 } 228 229 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 230 if (snd_opl3_create(card, 231 fm_port[dev], fm_port[dev] + 2, 232 OPL3_HW_AUTO, 0, &opl3) < 0) { 233 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 234 fm_port[dev], fm_port[dev] + 2); 235 } else { 236 if ((error = snd_opl3_timer_new(opl3, 1, 2)) < 0) { 237 snd_card_free(card); 238 return error; 239 } 240 if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 241 snd_card_free(card); 242 return error; 243 } 244 } 245 } 246 247 if ((error = snd_card_register(card)) < 0) { 248 snd_card_free(card); 249 return error; 250 } 251 pnp_set_card_drvdata(pcard, card); 252 return 0; 253 } 254 255 static unsigned int azt2320_devices; 256 257 static int snd_azt2320_pnp_detect(struct pnp_card_link *card, 258 const struct pnp_card_device_id *id) 259 { 260 static int dev; 261 int res; 262 263 for ( ; dev < SNDRV_CARDS; dev++) { 264 if (!enable[dev]) 265 continue; 266 res = snd_card_azt2320_probe(dev, card, id); 267 if (res < 0) 268 return res; 269 dev++; 270 azt2320_devices++; 271 return 0; 272 } 273 return -ENODEV; 274 } 275 276 static void snd_azt2320_pnp_remove(struct pnp_card_link *pcard) 277 { 278 snd_card_free(pnp_get_card_drvdata(pcard)); 279 pnp_set_card_drvdata(pcard, NULL); 280 } 281 282 #ifdef CONFIG_PM 283 static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 284 { 285 struct snd_card *card = pnp_get_card_drvdata(pcard); 286 struct snd_card_azt2320 *acard = card->private_data; 287 struct snd_wss *chip = acard->chip; 288 289 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 290 chip->suspend(chip); 291 return 0; 292 } 293 294 static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard) 295 { 296 struct snd_card *card = pnp_get_card_drvdata(pcard); 297 struct snd_card_azt2320 *acard = card->private_data; 298 struct snd_wss *chip = acard->chip; 299 300 chip->resume(chip); 301 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 302 return 0; 303 } 304 #endif 305 306 static struct pnp_card_driver azt2320_pnpc_driver = { 307 .flags = PNP_DRIVER_RES_DISABLE, 308 .name = "azt2320", 309 .id_table = snd_azt2320_pnpids, 310 .probe = snd_azt2320_pnp_detect, 311 .remove = snd_azt2320_pnp_remove, 312 #ifdef CONFIG_PM 313 .suspend = snd_azt2320_pnp_suspend, 314 .resume = snd_azt2320_pnp_resume, 315 #endif 316 }; 317 318 static int __init alsa_card_azt2320_init(void) 319 { 320 int err; 321 322 err = pnp_register_card_driver(&azt2320_pnpc_driver); 323 if (err) 324 return err; 325 326 if (!azt2320_devices) { 327 pnp_unregister_card_driver(&azt2320_pnpc_driver); 328 #ifdef MODULE 329 snd_printk(KERN_ERR "no AZT2320 based soundcards found\n"); 330 #endif 331 return -ENODEV; 332 } 333 return 0; 334 } 335 336 static void __exit alsa_card_azt2320_exit(void) 337 { 338 pnp_unregister_card_driver(&azt2320_pnpc_driver); 339 } 340 341 module_init(alsa_card_azt2320_init) 342 module_exit(alsa_card_azt2320_exit) 343