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