1 /* 2 * Driver for generic ESS AudioDrive ESx688 soundcards 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <linux/init.h> 23 #include <linux/err.h> 24 #include <linux/isa.h> 25 #include <linux/isapnp.h> 26 #include <linux/time.h> 27 #include <linux/wait.h> 28 #include <linux/module.h> 29 #include <asm/dma.h> 30 #include <sound/core.h> 31 #include <sound/es1688.h> 32 #include <sound/mpu401.h> 33 #include <sound/opl3.h> 34 #define SNDRV_LEGACY_FIND_FREE_IRQ 35 #define SNDRV_LEGACY_FIND_FREE_DMA 36 #include <sound/initval.h> 37 38 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive" 39 #define DEV_NAME "es1688" 40 41 MODULE_DESCRIPTION(CRD_NAME); 42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 43 MODULE_LICENSE("GPL"); 44 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100}," 45 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102}," 46 "{ESS,ES688 AudioDrive,pnp:ESS6881}," 47 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}"); 48 49 MODULE_ALIAS("snd_es968"); 50 51 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 52 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 53 #ifdef CONFIG_PNP 54 static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; 55 #endif 56 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 57 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ 58 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */ 59 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1}; 60 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 61 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ 62 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ 63 64 module_param_array(index, int, NULL, 0444); 65 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); 66 module_param_array(id, charp, NULL, 0444); 67 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); 68 module_param_array(enable, bool, NULL, 0444); 69 #ifdef CONFIG_PNP 70 module_param_array(isapnp, bool, NULL, 0444); 71 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard."); 72 #endif 73 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); 74 module_param_array(port, long, NULL, 0444); 75 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); 76 module_param_array(mpu_port, long, NULL, 0444); 77 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver."); 78 module_param_array(irq, int, NULL, 0444); 79 module_param_array(fm_port, long, NULL, 0444); 80 MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver."); 81 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); 82 module_param_array(mpu_irq, int, NULL, 0444); 83 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver."); 84 module_param_array(dma8, int, NULL, 0444); 85 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver."); 86 87 #ifdef CONFIG_PNP 88 #define is_isapnp_selected(dev) isapnp[dev] 89 #else 90 #define is_isapnp_selected(dev) 0 91 #endif 92 93 static int snd_es1688_match(struct device *dev, unsigned int n) 94 { 95 return enable[n] && !is_isapnp_selected(n); 96 } 97 98 static int snd_es1688_legacy_create(struct snd_card *card, 99 struct device *dev, unsigned int n) 100 { 101 struct snd_es1688 *chip = card->private_data; 102 static long possible_ports[] = {0x220, 0x240, 0x260}; 103 static int possible_irqs[] = {5, 9, 10, 7, -1}; 104 static int possible_dmas[] = {1, 3, 0, -1}; 105 106 int i, error; 107 108 if (irq[n] == SNDRV_AUTO_IRQ) { 109 irq[n] = snd_legacy_find_free_irq(possible_irqs); 110 if (irq[n] < 0) { 111 dev_err(dev, "unable to find a free IRQ\n"); 112 return -EBUSY; 113 } 114 } 115 if (dma8[n] == SNDRV_AUTO_DMA) { 116 dma8[n] = snd_legacy_find_free_dma(possible_dmas); 117 if (dma8[n] < 0) { 118 dev_err(dev, "unable to find a free DMA\n"); 119 return -EBUSY; 120 } 121 } 122 123 if (port[n] != SNDRV_AUTO_PORT) 124 return snd_es1688_create(card, chip, port[n], mpu_port[n], 125 irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); 126 127 i = 0; 128 do { 129 port[n] = possible_ports[i]; 130 error = snd_es1688_create(card, chip, port[n], mpu_port[n], 131 irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO); 132 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports)); 133 134 return error; 135 } 136 137 static int snd_es1688_probe(struct snd_card *card, unsigned int n) 138 { 139 struct snd_es1688 *chip = card->private_data; 140 struct snd_opl3 *opl3; 141 struct snd_pcm *pcm; 142 int error; 143 144 error = snd_es1688_pcm(card, chip, 0, &pcm); 145 if (error < 0) 146 return error; 147 148 error = snd_es1688_mixer(card, chip); 149 if (error < 0) 150 return error; 151 152 strlcpy(card->driver, "ES1688", sizeof(card->driver)); 153 strlcpy(card->shortname, pcm->name, sizeof(card->shortname)); 154 snprintf(card->longname, sizeof(card->longname), 155 "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port, 156 chip->irq, chip->dma8); 157 158 if (fm_port[n] == SNDRV_AUTO_PORT) 159 fm_port[n] = port[n]; /* share the same port */ 160 161 if (fm_port[n] > 0) { 162 if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2, 163 OPL3_HW_OPL3, 0, &opl3) < 0) 164 dev_warn(card->dev, 165 "opl3 not detected at 0x%lx\n", fm_port[n]); 166 else { 167 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL); 168 if (error < 0) 169 return error; 170 } 171 } 172 173 if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ && 174 chip->mpu_port > 0) { 175 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688, 176 chip->mpu_port, 0, 177 mpu_irq[n], NULL); 178 if (error < 0) 179 return error; 180 } 181 182 return snd_card_register(card); 183 } 184 185 static int snd_es1688_isa_probe(struct device *dev, unsigned int n) 186 { 187 struct snd_card *card; 188 int error; 189 190 error = snd_card_create(index[n], id[n], THIS_MODULE, 191 sizeof(struct snd_es1688), &card); 192 if (error < 0) 193 return error; 194 195 error = snd_es1688_legacy_create(card, dev, n); 196 if (error < 0) 197 goto out; 198 199 snd_card_set_dev(card, dev); 200 201 error = snd_es1688_probe(card, n); 202 if (error < 0) 203 goto out; 204 205 dev_set_drvdata(dev, card); 206 207 return 0; 208 out: 209 snd_card_free(card); 210 return error; 211 } 212 213 static int snd_es1688_isa_remove(struct device *dev, unsigned int n) 214 { 215 snd_card_free(dev_get_drvdata(dev)); 216 return 0; 217 } 218 219 static struct isa_driver snd_es1688_driver = { 220 .match = snd_es1688_match, 221 .probe = snd_es1688_isa_probe, 222 .remove = snd_es1688_isa_remove, 223 #if 0 /* FIXME */ 224 .suspend = snd_es1688_suspend, 225 .resume = snd_es1688_resume, 226 #endif 227 .driver = { 228 .name = DEV_NAME 229 } 230 }; 231 232 static int snd_es968_pnp_is_probed; 233 234 #ifdef CONFIG_PNP 235 static int snd_card_es968_pnp(struct snd_card *card, unsigned int n, 236 struct pnp_card_link *pcard, 237 const struct pnp_card_device_id *pid) 238 { 239 struct snd_es1688 *chip = card->private_data; 240 struct pnp_dev *pdev; 241 int error; 242 243 pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL); 244 if (pdev == NULL) 245 return -ENODEV; 246 247 error = pnp_activate_dev(pdev); 248 if (error < 0) { 249 snd_printk(KERN_ERR "ES968 pnp configure failure\n"); 250 return error; 251 } 252 port[n] = pnp_port_start(pdev, 0); 253 dma8[n] = pnp_dma(pdev, 0); 254 irq[n] = pnp_irq(pdev, 0); 255 256 return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n], 257 mpu_irq[n], dma8[n], ES1688_HW_AUTO); 258 } 259 260 static int snd_es968_pnp_detect(struct pnp_card_link *pcard, 261 const struct pnp_card_device_id *pid) 262 { 263 struct snd_card *card; 264 static unsigned int dev; 265 int error; 266 struct snd_es1688 *chip; 267 268 if (snd_es968_pnp_is_probed) 269 return -EBUSY; 270 for ( ; dev < SNDRV_CARDS; dev++) { 271 if (enable[dev] && isapnp[dev]) 272 break; 273 } 274 if (dev == SNDRV_CARDS) 275 return -ENODEV; 276 277 error = snd_card_create(index[dev], id[dev], THIS_MODULE, 278 sizeof(struct snd_es1688), &card); 279 if (error < 0) 280 return error; 281 chip = card->private_data; 282 283 error = snd_card_es968_pnp(card, dev, pcard, pid); 284 if (error < 0) { 285 snd_card_free(card); 286 return error; 287 } 288 snd_card_set_dev(card, &pcard->card->dev); 289 error = snd_es1688_probe(card, dev); 290 if (error < 0) 291 return error; 292 pnp_set_card_drvdata(pcard, card); 293 snd_es968_pnp_is_probed = 1; 294 return 0; 295 } 296 297 static void snd_es968_pnp_remove(struct pnp_card_link *pcard) 298 { 299 snd_card_free(pnp_get_card_drvdata(pcard)); 300 pnp_set_card_drvdata(pcard, NULL); 301 snd_es968_pnp_is_probed = 0; 302 } 303 304 #ifdef CONFIG_PM 305 static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, 306 pm_message_t state) 307 { 308 struct snd_card *card = pnp_get_card_drvdata(pcard); 309 struct snd_es1688 *chip = card->private_data; 310 311 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 312 snd_pcm_suspend_all(chip->pcm); 313 return 0; 314 } 315 316 static int snd_es968_pnp_resume(struct pnp_card_link *pcard) 317 { 318 struct snd_card *card = pnp_get_card_drvdata(pcard); 319 struct snd_es1688 *chip = card->private_data; 320 321 snd_es1688_reset(chip); 322 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 323 return 0; 324 } 325 #endif 326 327 static struct pnp_card_device_id snd_es968_pnpids[] = { 328 { .id = "ESS0968", .devs = { { "@@@0968" }, } }, 329 { .id = "ESS0968", .devs = { { "ESS0968" }, } }, 330 { .id = "", } /* end */ 331 }; 332 333 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); 334 335 static struct pnp_card_driver es968_pnpc_driver = { 336 .flags = PNP_DRIVER_RES_DISABLE, 337 .name = DEV_NAME " PnP", 338 .id_table = snd_es968_pnpids, 339 .probe = snd_es968_pnp_detect, 340 .remove = snd_es968_pnp_remove, 341 #ifdef CONFIG_PM 342 .suspend = snd_es968_pnp_suspend, 343 .resume = snd_es968_pnp_resume, 344 #endif 345 }; 346 #endif 347 348 static int __init alsa_card_es1688_init(void) 349 { 350 #ifdef CONFIG_PNP 351 pnp_register_card_driver(&es968_pnpc_driver); 352 if (snd_es968_pnp_is_probed) 353 return 0; 354 pnp_unregister_card_driver(&es968_pnpc_driver); 355 #endif 356 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS); 357 } 358 359 static void __exit alsa_card_es1688_exit(void) 360 { 361 if (!snd_es968_pnp_is_probed) { 362 isa_unregister_driver(&snd_es1688_driver); 363 return; 364 } 365 #ifdef CONFIG_PNP 366 pnp_unregister_card_driver(&es968_pnpc_driver); 367 #endif 368 } 369 370 module_init(alsa_card_es1688_init); 371 module_exit(alsa_card_es1688_exit); 372