1 /* 2 * Driver for Digigram VXpocket V2/440 soundcards 3 * 4 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 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 <sound/driver.h> 23 #include <linux/init.h> 24 #include <linux/moduleparam.h> 25 #include <sound/core.h> 26 #include "vxpocket.h" 27 #include <pcmcia/ciscode.h> 28 #include <pcmcia/cisreg.h> 29 #include <sound/initval.h> 30 31 /* 32 */ 33 34 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 35 MODULE_DESCRIPTION("Digigram VXPocket"); 36 MODULE_LICENSE("GPL"); 37 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}"); 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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ 42 static int ibl[SNDRV_CARDS]; 43 44 module_param_array(index, int, NULL, 0444); 45 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard."); 46 module_param_array(id, charp, NULL, 0444); 47 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard."); 48 module_param_array(enable, bool, NULL, 0444); 49 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard."); 50 module_param_array(ibl, int, NULL, 0444); 51 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard."); 52 53 54 /* 55 */ 56 57 static unsigned int card_alloc; 58 59 60 /* 61 */ 62 static void vxpocket_release(dev_link_t *link) 63 { 64 if (link->state & DEV_CONFIG) { 65 /* release cs resources */ 66 pcmcia_release_configuration(link->handle); 67 pcmcia_release_io(link->handle, &link->io); 68 pcmcia_release_irq(link->handle, &link->irq); 69 link->state &= ~DEV_CONFIG; 70 } 71 } 72 73 /* 74 * destructor, called from snd_card_free_in_thread() 75 */ 76 static int snd_vxpocket_dev_free(struct snd_device *device) 77 { 78 struct vx_core *chip = device->device_data; 79 80 snd_vx_free_firmware(chip); 81 kfree(chip); 82 return 0; 83 } 84 85 86 /* 87 * Hardware information 88 */ 89 90 /* VX-pocket V2 91 * 92 * 1 DSP, 1 sync UER 93 * 1 programmable clock (NIY) 94 * 1 stereo analog input (line/micro) 95 * 1 stereo analog output 96 * Only output levels can be modified 97 */ 98 99 static struct snd_vx_hardware vxpocket_hw = { 100 .name = "VXPocket", 101 .type = VX_TYPE_VXPOCKET, 102 103 /* hardware specs */ 104 .num_codecs = 1, 105 .num_ins = 1, 106 .num_outs = 1, 107 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 108 }; 109 110 /* VX-pocket 440 111 * 112 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 113 * SMPTE (NIY) 114 * 2 stereo analog input (line/micro) 115 * 2 stereo analog output 116 * Only output levels can be modified 117 * UER, but only for the first two inputs and outputs. 118 */ 119 120 static struct snd_vx_hardware vxp440_hw = { 121 .name = "VXPocket440", 122 .type = VX_TYPE_VXP440, 123 124 /* hardware specs */ 125 .num_codecs = 2, 126 .num_ins = 2, 127 .num_outs = 2, 128 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 129 }; 130 131 132 /* 133 * create vxpocket instance 134 */ 135 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl) 136 { 137 dev_link_t *link; /* Info for cardmgr */ 138 struct vx_core *chip; 139 struct snd_vxpocket *vxp; 140 static struct snd_device_ops ops = { 141 .dev_free = snd_vxpocket_dev_free, 142 }; 143 144 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 145 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 146 if (! chip) 147 return NULL; 148 149 if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) { 150 kfree(chip); 151 return NULL; 152 } 153 chip->ibl.size = ibl; 154 155 vxp = (struct snd_vxpocket *)chip; 156 157 link = &vxp->link; 158 link->priv = chip; 159 160 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 161 link->io.NumPorts1 = 16; 162 163 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 164 165 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 166 link->irq.Handler = &snd_vx_irq_handler; 167 link->irq.Instance = chip; 168 169 link->conf.Attributes = CONF_ENABLE_IRQ; 170 link->conf.Vcc = 50; 171 link->conf.IntType = INT_MEMORY_AND_IO; 172 link->conf.ConfigIndex = 1; 173 link->conf.Present = PRESENT_OPTION; 174 175 return vxp; 176 } 177 178 179 /** 180 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 181 * @port: i/o port for the card 182 * @irq: irq number for the card 183 * 184 * this function assigns the specified port and irq, boot the card, 185 * create pcm and control instances, and initialize the rest hardware. 186 * 187 * returns 0 if successful, or a negative error code. 188 */ 189 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 190 { 191 int err; 192 struct snd_card *card = chip->card; 193 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 194 195 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 196 vxp->port = port; 197 198 sprintf(card->shortname, "Digigram %s", card->driver); 199 sprintf(card->longname, "%s at 0x%x, irq %i", 200 card->shortname, port, irq); 201 202 chip->irq = irq; 203 204 if ((err = snd_vx_setup_firmware(chip)) < 0) 205 return err; 206 207 return 0; 208 } 209 210 211 /* 212 * configuration callback 213 */ 214 215 #define CS_CHECK(fn, ret) \ 216 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 217 218 static void vxpocket_config(dev_link_t *link) 219 { 220 client_handle_t handle = link->handle; 221 struct vx_core *chip = link->priv; 222 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 223 tuple_t tuple; 224 cisparse_t *parse; 225 u_short buf[32]; 226 int last_fn, last_ret; 227 228 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 229 parse = kmalloc(sizeof(*parse), GFP_KERNEL); 230 if (! parse) { 231 snd_printk(KERN_ERR "vx: cannot allocate\n"); 232 return; 233 } 234 tuple.Attributes = 0; 235 tuple.TupleData = (cisdata_t *)buf; 236 tuple.TupleDataMax = sizeof(buf); 237 tuple.TupleOffset = 0; 238 tuple.DesiredTuple = CISTPL_CONFIG; 239 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); 240 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); 241 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse)); 242 link->conf.ConfigBase = parse->config.base; 243 link->conf.Present = parse->config.rmask[0]; 244 245 /* redefine hardware record according to the VERSION1 string */ 246 tuple.DesiredTuple = CISTPL_VERS_1; 247 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); 248 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); 249 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse)); 250 if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) { 251 snd_printdd("VX-pocket is detected\n"); 252 } else { 253 snd_printdd("VX-pocket 440 is detected\n"); 254 /* overwrite the hardware information */ 255 chip->hw = &vxp440_hw; 256 chip->type = vxp440_hw.type; 257 strcpy(chip->card->driver, vxp440_hw.name); 258 } 259 260 /* Configure card */ 261 link->state |= DEV_CONFIG; 262 263 CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io)); 264 CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); 265 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); 266 267 chip->dev = &handle_to_dev(link->handle); 268 snd_card_set_dev(chip->card, chip->dev); 269 270 if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0) 271 goto failed; 272 273 link->dev = &vxp->node; 274 link->state &= ~DEV_CONFIG_PENDING; 275 kfree(parse); 276 return; 277 278 cs_failed: 279 cs_error(link->handle, last_fn, last_ret); 280 failed: 281 pcmcia_release_configuration(link->handle); 282 pcmcia_release_io(link->handle, &link->io); 283 pcmcia_release_irq(link->handle, &link->irq); 284 link->state &= ~DEV_CONFIG; 285 kfree(parse); 286 } 287 288 #ifdef CONFIG_PM 289 290 static int vxp_suspend(struct pcmcia_device *dev) 291 { 292 dev_link_t *link = dev_to_instance(dev); 293 struct vx_core *chip = link->priv; 294 295 snd_printdd(KERN_DEBUG "SUSPEND\n"); 296 link->state |= DEV_SUSPEND; 297 if (chip) { 298 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 299 snd_vx_suspend(chip, PMSG_SUSPEND); 300 } 301 snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n"); 302 if (link->state & DEV_CONFIG) 303 pcmcia_release_configuration(link->handle); 304 305 return 0; 306 } 307 308 static int vxp_resume(struct pcmcia_device *dev) 309 { 310 dev_link_t *link = dev_to_instance(dev); 311 struct vx_core *chip = link->priv; 312 313 snd_printdd(KERN_DEBUG "RESUME\n"); 314 link->state &= ~DEV_SUSPEND; 315 316 snd_printdd(KERN_DEBUG "CARD_RESET\n"); 317 if (DEV_OK(link)) { 318 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 319 snd_printdd(KERN_DEBUG "requestconfig...\n"); 320 pcmcia_request_configuration(link->handle, &link->conf); 321 if (chip) { 322 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 323 snd_vx_resume(chip); 324 } 325 } 326 snd_printdd(KERN_DEBUG "resume done!\n"); 327 328 return 0; 329 } 330 331 #endif 332 333 334 /* 335 */ 336 static int vxpocket_attach(struct pcmcia_device *p_dev) 337 { 338 struct snd_card *card; 339 struct snd_vxpocket *vxp; 340 int i; 341 342 /* find an empty slot from the card list */ 343 for (i = 0; i < SNDRV_CARDS; i++) { 344 if (! card_alloc & (1 << i)) 345 break; 346 } 347 if (i >= SNDRV_CARDS) { 348 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 349 return -EINVAL; 350 } 351 if (! enable[i]) 352 return -ENODEV; /* disabled explicitly */ 353 354 /* ok, create a card instance */ 355 card = snd_card_new(index[i], id[i], THIS_MODULE, 0); 356 if (card == NULL) { 357 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 358 return -ENOMEM; 359 } 360 361 vxp = snd_vxpocket_new(card, ibl[i]); 362 if (! vxp) { 363 snd_card_free(card); 364 return -ENODEV; 365 } 366 card->private_data = vxp; 367 368 vxp->index = i; 369 card_alloc |= 1 << i; 370 371 /* Chain drivers */ 372 vxp->link.next = NULL; 373 374 vxp->link.handle = p_dev; 375 vxp->link.state |= DEV_PRESENT | DEV_CONFIG_PENDING; 376 p_dev->instance = &vxp->link; 377 vxpocket_config(&vxp->link); 378 379 return 0; 380 } 381 382 static void vxpocket_detach(struct pcmcia_device *p_dev) 383 { 384 dev_link_t *link = dev_to_instance(p_dev); 385 struct snd_vxpocket *vxp; 386 struct vx_core *chip; 387 388 if (! link) 389 return; 390 391 vxp = link->priv; 392 chip = (struct vx_core *)vxp; 393 card_alloc &= ~(1 << vxp->index); 394 395 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 396 snd_card_disconnect(chip->card); 397 vxpocket_release(link); 398 snd_card_free_in_thread(chip->card); 399 } 400 401 /* 402 * Module entry points 403 */ 404 405 static struct pcmcia_device_id vxp_ids[] = { 406 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 407 PCMCIA_DEVICE_NULL 408 }; 409 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 410 411 static struct pcmcia_driver vxp_cs_driver = { 412 .owner = THIS_MODULE, 413 .drv = { 414 .name = "snd-vxpocket", 415 }, 416 .probe = vxpocket_attach, 417 .remove = vxpocket_detach, 418 .id_table = vxp_ids, 419 #ifdef CONFIG_PM 420 .suspend = vxp_suspend, 421 .resume = vxp_resume, 422 #endif 423 }; 424 425 static int __init init_vxpocket(void) 426 { 427 return pcmcia_register_driver(&vxp_cs_driver); 428 } 429 430 static void __exit exit_vxpocket(void) 431 { 432 pcmcia_unregister_driver(&vxp_cs_driver); 433 } 434 435 module_init(init_vxpocket); 436 module_exit(exit_vxpocket); 437