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_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 snd_card_free(card); 182 return error; 183 } 184 185 error = snd_card_azt2320_enable_wss(port[dev]); 186 if (error) { 187 snd_card_free(card); 188 return error; 189 } 190 191 error = snd_wss_create(card, wss_port[dev], -1, 192 irq[dev], 193 dma1[dev], dma2[dev], 194 WSS_HW_DETECT, 0, &chip); 195 if (error < 0) { 196 snd_card_free(card); 197 return error; 198 } 199 200 strcpy(card->driver, "AZT2320"); 201 strcpy(card->shortname, "Aztech AZT2320"); 202 sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i", 203 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]); 204 205 error = snd_wss_pcm(chip, 0); 206 if (error < 0) { 207 snd_card_free(card); 208 return error; 209 } 210 error = snd_wss_mixer(chip); 211 if (error < 0) { 212 snd_card_free(card); 213 return error; 214 } 215 error = snd_wss_timer(chip, 0); 216 if (error < 0) { 217 snd_card_free(card); 218 return error; 219 } 220 221 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { 222 if (snd_mpu401_uart_new(card, 0, MPU401_HW_AZT2320, 223 mpu_port[dev], 0, 224 mpu_irq[dev], NULL) < 0) 225 snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]); 226 } 227 228 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 229 if (snd_opl3_create(card, 230 fm_port[dev], fm_port[dev] + 2, 231 OPL3_HW_AUTO, 0, &opl3) < 0) { 232 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 233 fm_port[dev], fm_port[dev] + 2); 234 } else { 235 error = snd_opl3_timer_new(opl3, 1, 2); 236 if (error < 0) { 237 snd_card_free(card); 238 return error; 239 } 240 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 241 if (error < 0) { 242 snd_card_free(card); 243 return error; 244 } 245 } 246 } 247 248 error = snd_card_register(card); 249 if (error < 0) { 250 snd_card_free(card); 251 return error; 252 } 253 pnp_set_card_drvdata(pcard, card); 254 return 0; 255 } 256 257 static unsigned int azt2320_devices; 258 259 static int snd_azt2320_pnp_detect(struct pnp_card_link *card, 260 const struct pnp_card_device_id *id) 261 { 262 static int dev; 263 int res; 264 265 for ( ; dev < SNDRV_CARDS; dev++) { 266 if (!enable[dev]) 267 continue; 268 res = snd_card_azt2320_probe(dev, card, id); 269 if (res < 0) 270 return res; 271 dev++; 272 azt2320_devices++; 273 return 0; 274 } 275 return -ENODEV; 276 } 277 278 static void snd_azt2320_pnp_remove(struct pnp_card_link *pcard) 279 { 280 snd_card_free(pnp_get_card_drvdata(pcard)); 281 pnp_set_card_drvdata(pcard, NULL); 282 } 283 284 #ifdef CONFIG_PM 285 static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 286 { 287 struct snd_card *card = pnp_get_card_drvdata(pcard); 288 struct snd_card_azt2320 *acard = card->private_data; 289 struct snd_wss *chip = acard->chip; 290 291 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 292 chip->suspend(chip); 293 return 0; 294 } 295 296 static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard) 297 { 298 struct snd_card *card = pnp_get_card_drvdata(pcard); 299 struct snd_card_azt2320 *acard = card->private_data; 300 struct snd_wss *chip = acard->chip; 301 302 chip->resume(chip); 303 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 304 return 0; 305 } 306 #endif 307 308 static struct pnp_card_driver azt2320_pnpc_driver = { 309 .flags = PNP_DRIVER_RES_DISABLE, 310 .name = "azt2320", 311 .id_table = snd_azt2320_pnpids, 312 .probe = snd_azt2320_pnp_detect, 313 .remove = snd_azt2320_pnp_remove, 314 #ifdef CONFIG_PM 315 .suspend = snd_azt2320_pnp_suspend, 316 .resume = snd_azt2320_pnp_resume, 317 #endif 318 }; 319 320 static int __init alsa_card_azt2320_init(void) 321 { 322 int err; 323 324 err = pnp_register_card_driver(&azt2320_pnpc_driver); 325 if (err) 326 return err; 327 328 if (!azt2320_devices) { 329 pnp_unregister_card_driver(&azt2320_pnpc_driver); 330 #ifdef MODULE 331 snd_printk(KERN_ERR "no AZT2320 based soundcards found\n"); 332 #endif 333 return -ENODEV; 334 } 335 return 0; 336 } 337 338 static void __exit alsa_card_azt2320_exit(void) 339 { 340 pnp_unregister_card_driver(&azt2320_pnpc_driver); 341 } 342 343 module_init(alsa_card_azt2320_init) 344 module_exit(alsa_card_azt2320_exit) 345