1 /* 2 card-azt2320.c - driver for Aztech Systems AZT2320 based soundcards. 3 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it> 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 /* 21 This driver should provide support for most Aztech AZT2320 based cards. 22 Several AZT2316 chips are also supported/tested, but autoprobe doesn't 23 work: all module option have to be set. 24 25 No docs available for us at Aztech headquarters !!! Unbelievable ... 26 No other help obtained. 27 28 Thanks to Rainer Wiesner <rainer.wiesner@01019freenet.de> for the WSS 29 activation method (full-duplex audio!). 30 */ 31 32 #include <linux/io.h> 33 #include <linux/delay.h> 34 #include <linux/init.h> 35 #include <linux/time.h> 36 #include <linux/wait.h> 37 #include <linux/pnp.h> 38 #include <linux/module.h> 39 #include <sound/core.h> 40 #include <sound/initval.h> 41 #include <sound/wss.h> 42 #include <sound/mpu401.h> 43 #include <sound/opl3.h> 44 45 #define PFX "azt2320: " 46 47 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>"); 48 MODULE_DESCRIPTION("Aztech Systems AZT2320"); 49 MODULE_LICENSE("GPL"); 50 MODULE_SUPPORTED_DEVICE("{{Aztech Systems,PRO16V}," 51 "{Aztech Systems,AZT2320}," 52 "{Aztech Systems,AZT3300}," 53 "{Aztech Systems,AZT2320}," 54 "{Aztech Systems,AZT3000}}"); 55 56 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 57 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 58 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */ 59 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 60 static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 61 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 62 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ 63 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */ 64 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */ 65 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */ 66 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */ 67 68 module_param_array(index, int, NULL, 0444); 69 MODULE_PARM_DESC(index, "Index value for azt2320 based soundcard."); 70 module_param_array(id, charp, NULL, 0444); 71 MODULE_PARM_DESC(id, "ID string for azt2320 based soundcard."); 72 module_param_array(enable, bool, NULL, 0444); 73 MODULE_PARM_DESC(enable, "Enable azt2320 based soundcard."); 74 75 struct snd_card_azt2320 { 76 int dev_no; 77 struct pnp_dev *dev; 78 struct pnp_dev *devmpu; 79 struct snd_wss *chip; 80 }; 81 82 static const struct pnp_card_device_id snd_azt2320_pnpids[] = { 83 /* PRO16V */ 84 { .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } }, 85 /* Aztech Sound Galaxy 16 */ 86 { .id = "AZT2320", .devs = { { "AZT0001" }, { "AZT0002" }, } }, 87 /* Packard Bell Sound III 336 AM/SP */ 88 { .id = "AZT3000", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 89 /* AT3300 */ 90 { .id = "AZT3002", .devs = { { "AZT1004" }, { "AZT2001" }, } }, 91 /* --- */ 92 { .id = "AZT3005", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 93 /* --- */ 94 { .id = "AZT3011", .devs = { { "AZT1003" }, { "AZT2001" }, } }, 95 { .id = "" } /* end */ 96 }; 97 98 MODULE_DEVICE_TABLE(pnp_card, snd_azt2320_pnpids); 99 100 #define DRIVER_NAME "snd-card-azt2320" 101 102 static int snd_card_azt2320_pnp(int dev, struct snd_card_azt2320 *acard, 103 struct pnp_card_link *card, 104 const struct pnp_card_device_id *id) 105 { 106 struct pnp_dev *pdev; 107 int err; 108 109 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); 110 if (acard->dev == NULL) 111 return -ENODEV; 112 113 acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL); 114 115 pdev = acard->dev; 116 117 err = pnp_activate_dev(pdev); 118 if (err < 0) { 119 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); 120 return err; 121 } 122 port[dev] = pnp_port_start(pdev, 0); 123 fm_port[dev] = pnp_port_start(pdev, 1); 124 wss_port[dev] = pnp_port_start(pdev, 2); 125 dma1[dev] = pnp_dma(pdev, 0); 126 dma2[dev] = pnp_dma(pdev, 1); 127 irq[dev] = pnp_irq(pdev, 0); 128 129 pdev = acard->devmpu; 130 if (pdev != NULL) { 131 err = pnp_activate_dev(pdev); 132 if (err < 0) 133 goto __mpu_error; 134 mpu_port[dev] = pnp_port_start(pdev, 0); 135 mpu_irq[dev] = pnp_irq(pdev, 0); 136 } else { 137 __mpu_error: 138 if (pdev) { 139 pnp_release_card_device(pdev); 140 snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n"); 141 } 142 acard->devmpu = NULL; 143 mpu_port[dev] = -1; 144 } 145 146 return 0; 147 } 148 149 /* same of snd_sbdsp_command by Jaroslav Kysela */ 150 static int snd_card_azt2320_command(unsigned long port, unsigned char val) 151 { 152 int i; 153 unsigned long limit; 154 155 limit = jiffies + HZ / 10; 156 for (i = 50000; i && time_after(limit, jiffies); i--) 157 if (!(inb(port + 0x0c) & 0x80)) { 158 outb(val, port + 0x0c); 159 return 0; 160 } 161 return -EBUSY; 162 } 163 164 static int snd_card_azt2320_enable_wss(unsigned long port) 165 { 166 int error; 167 168 if ((error = snd_card_azt2320_command(port, 0x09))) 169 return error; 170 if ((error = snd_card_azt2320_command(port, 0x00))) 171 return error; 172 173 mdelay(5); 174 return 0; 175 } 176 177 static int snd_card_azt2320_probe(int dev, 178 struct pnp_card_link *pcard, 179 const struct pnp_card_device_id *pid) 180 { 181 int error; 182 struct snd_card *card; 183 struct snd_card_azt2320 *acard; 184 struct snd_wss *chip; 185 struct snd_opl3 *opl3; 186 187 error = snd_card_new(&pcard->card->dev, 188 index[dev], id[dev], THIS_MODULE, 189 sizeof(struct snd_card_azt2320), &card); 190 if (error < 0) 191 return error; 192 acard = card->private_data; 193 194 if ((error = snd_card_azt2320_pnp(dev, acard, pcard, pid))) { 195 snd_card_free(card); 196 return error; 197 } 198 199 if ((error = snd_card_azt2320_enable_wss(port[dev]))) { 200 snd_card_free(card); 201 return error; 202 } 203 204 error = snd_wss_create(card, wss_port[dev], -1, 205 irq[dev], 206 dma1[dev], dma2[dev], 207 WSS_HW_DETECT, 0, &chip); 208 if (error < 0) { 209 snd_card_free(card); 210 return error; 211 } 212 213 strcpy(card->driver, "AZT2320"); 214 strcpy(card->shortname, "Aztech AZT2320"); 215 sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i", 216 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]); 217 218 error = snd_wss_pcm(chip, 0); 219 if (error < 0) { 220 snd_card_free(card); 221 return error; 222 } 223 error = snd_wss_mixer(chip); 224 if (error < 0) { 225 snd_card_free(card); 226 return error; 227 } 228 error = snd_wss_timer(chip, 0); 229 if (error < 0) { 230 snd_card_free(card); 231 return error; 232 } 233 234 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { 235 if (snd_mpu401_uart_new(card, 0, MPU401_HW_AZT2320, 236 mpu_port[dev], 0, 237 mpu_irq[dev], NULL) < 0) 238 snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]); 239 } 240 241 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { 242 if (snd_opl3_create(card, 243 fm_port[dev], fm_port[dev] + 2, 244 OPL3_HW_AUTO, 0, &opl3) < 0) { 245 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n", 246 fm_port[dev], fm_port[dev] + 2); 247 } else { 248 if ((error = snd_opl3_timer_new(opl3, 1, 2)) < 0) { 249 snd_card_free(card); 250 return error; 251 } 252 if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { 253 snd_card_free(card); 254 return error; 255 } 256 } 257 } 258 259 if ((error = snd_card_register(card)) < 0) { 260 snd_card_free(card); 261 return error; 262 } 263 pnp_set_card_drvdata(pcard, card); 264 return 0; 265 } 266 267 static unsigned int azt2320_devices; 268 269 static int snd_azt2320_pnp_detect(struct pnp_card_link *card, 270 const struct pnp_card_device_id *id) 271 { 272 static int dev; 273 int res; 274 275 for ( ; dev < SNDRV_CARDS; dev++) { 276 if (!enable[dev]) 277 continue; 278 res = snd_card_azt2320_probe(dev, card, id); 279 if (res < 0) 280 return res; 281 dev++; 282 azt2320_devices++; 283 return 0; 284 } 285 return -ENODEV; 286 } 287 288 static void snd_azt2320_pnp_remove(struct pnp_card_link *pcard) 289 { 290 snd_card_free(pnp_get_card_drvdata(pcard)); 291 pnp_set_card_drvdata(pcard, NULL); 292 } 293 294 #ifdef CONFIG_PM 295 static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) 296 { 297 struct snd_card *card = pnp_get_card_drvdata(pcard); 298 struct snd_card_azt2320 *acard = card->private_data; 299 struct snd_wss *chip = acard->chip; 300 301 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 302 chip->suspend(chip); 303 return 0; 304 } 305 306 static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard) 307 { 308 struct snd_card *card = pnp_get_card_drvdata(pcard); 309 struct snd_card_azt2320 *acard = card->private_data; 310 struct snd_wss *chip = acard->chip; 311 312 chip->resume(chip); 313 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 314 return 0; 315 } 316 #endif 317 318 static struct pnp_card_driver azt2320_pnpc_driver = { 319 .flags = PNP_DRIVER_RES_DISABLE, 320 .name = "azt2320", 321 .id_table = snd_azt2320_pnpids, 322 .probe = snd_azt2320_pnp_detect, 323 .remove = snd_azt2320_pnp_remove, 324 #ifdef CONFIG_PM 325 .suspend = snd_azt2320_pnp_suspend, 326 .resume = snd_azt2320_pnp_resume, 327 #endif 328 }; 329 330 static int __init alsa_card_azt2320_init(void) 331 { 332 int err; 333 334 err = pnp_register_card_driver(&azt2320_pnpc_driver); 335 if (err) 336 return err; 337 338 if (!azt2320_devices) { 339 pnp_unregister_card_driver(&azt2320_pnpc_driver); 340 #ifdef MODULE 341 snd_printk(KERN_ERR "no AZT2320 based soundcards found\n"); 342 #endif 343 return -ENODEV; 344 } 345 return 0; 346 } 347 348 static void __exit alsa_card_azt2320_exit(void) 349 { 350 pnp_unregister_card_driver(&azt2320_pnpc_driver); 351 } 352 353 module_init(alsa_card_azt2320_init) 354 module_exit(alsa_card_azt2320_exit) 355