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 #include <sound/tlv.h> 31 32 /* 33 */ 34 35 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 36 MODULE_DESCRIPTION("Digigram VXPocket"); 37 MODULE_LICENSE("GPL"); 38 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}"); 39 40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 42 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ 43 static int ibl[SNDRV_CARDS]; 44 45 module_param_array(index, int, NULL, 0444); 46 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard."); 47 module_param_array(id, charp, NULL, 0444); 48 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard."); 49 module_param_array(enable, bool, NULL, 0444); 50 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard."); 51 module_param_array(ibl, int, NULL, 0444); 52 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard."); 53 54 55 /* 56 */ 57 58 static unsigned int card_alloc; 59 60 61 /* 62 */ 63 static void vxpocket_release(struct pcmcia_device *link) 64 { 65 pcmcia_disable_device(link); 66 } 67 68 /* 69 * destructor, called from snd_card_free_when_closed() 70 */ 71 static int snd_vxpocket_dev_free(struct snd_device *device) 72 { 73 struct vx_core *chip = device->device_data; 74 75 snd_vx_free_firmware(chip); 76 kfree(chip); 77 return 0; 78 } 79 80 81 /* 82 * Hardware information 83 */ 84 85 /* VX-pocket V2 86 * 87 * 1 DSP, 1 sync UER 88 * 1 programmable clock (NIY) 89 * 1 stereo analog input (line/micro) 90 * 1 stereo analog output 91 * Only output levels can be modified 92 */ 93 94 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); 95 96 static struct snd_vx_hardware vxpocket_hw = { 97 .name = "VXPocket", 98 .type = VX_TYPE_VXPOCKET, 99 100 /* hardware specs */ 101 .num_codecs = 1, 102 .num_ins = 1, 103 .num_outs = 1, 104 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 105 .output_level_db_scale = db_scale_old_vol, 106 }; 107 108 /* VX-pocket 440 109 * 110 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 111 * SMPTE (NIY) 112 * 2 stereo analog input (line/micro) 113 * 2 stereo analog output 114 * Only output levels can be modified 115 * UER, but only for the first two inputs and outputs. 116 */ 117 118 static struct snd_vx_hardware vxp440_hw = { 119 .name = "VXPocket440", 120 .type = VX_TYPE_VXP440, 121 122 /* hardware specs */ 123 .num_codecs = 2, 124 .num_ins = 2, 125 .num_outs = 2, 126 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 127 .output_level_db_scale = db_scale_old_vol, 128 }; 129 130 131 /* 132 * create vxpocket instance 133 */ 134 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl, 135 struct pcmcia_device *link) 136 { 137 struct vx_core *chip; 138 struct snd_vxpocket *vxp; 139 static struct snd_device_ops ops = { 140 .dev_free = snd_vxpocket_dev_free, 141 }; 142 143 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 144 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 145 if (! chip) 146 return NULL; 147 148 if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) { 149 kfree(chip); 150 return NULL; 151 } 152 chip->ibl.size = ibl; 153 154 vxp = (struct snd_vxpocket *)chip; 155 156 vxp->p_dev = link; 157 link->priv = chip; 158 159 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 160 link->io.NumPorts1 = 16; 161 162 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 163 164 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 165 link->irq.Handler = &snd_vx_irq_handler; 166 link->irq.Instance = chip; 167 168 link->conf.Attributes = CONF_ENABLE_IRQ; 169 link->conf.IntType = INT_MEMORY_AND_IO; 170 link->conf.ConfigIndex = 1; 171 link->conf.Present = PRESENT_OPTION; 172 173 return vxp; 174 } 175 176 177 /** 178 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 179 * @port: i/o port for the card 180 * @irq: irq number for the card 181 * 182 * this function assigns the specified port and irq, boot the card, 183 * create pcm and control instances, and initialize the rest hardware. 184 * 185 * returns 0 if successful, or a negative error code. 186 */ 187 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 188 { 189 int err; 190 struct snd_card *card = chip->card; 191 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 192 193 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 194 vxp->port = port; 195 196 sprintf(card->shortname, "Digigram %s", card->driver); 197 sprintf(card->longname, "%s at 0x%x, irq %i", 198 card->shortname, port, irq); 199 200 chip->irq = irq; 201 202 if ((err = snd_vx_setup_firmware(chip)) < 0) 203 return err; 204 205 return 0; 206 } 207 208 209 /* 210 * configuration callback 211 */ 212 213 #define CS_CHECK(fn, ret) \ 214 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 215 216 static int vxpocket_config(struct pcmcia_device *link) 217 { 218 struct vx_core *chip = link->priv; 219 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 220 int last_fn, last_ret; 221 222 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 223 224 /* redefine hardware record according to the VERSION1 string */ 225 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 226 snd_printdd("VX-pocket is detected\n"); 227 } else { 228 snd_printdd("VX-pocket 440 is detected\n"); 229 /* overwrite the hardware information */ 230 chip->hw = &vxp440_hw; 231 chip->type = vxp440_hw.type; 232 strcpy(chip->card->driver, vxp440_hw.name); 233 } 234 235 CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); 236 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 237 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 238 239 chip->dev = &handle_to_dev(link); 240 snd_card_set_dev(chip->card, chip->dev); 241 242 if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0) 243 goto failed; 244 245 link->dev_node = &vxp->node; 246 return 0; 247 248 cs_failed: 249 cs_error(link, last_fn, last_ret); 250 failed: 251 pcmcia_disable_device(link); 252 return -ENODEV; 253 } 254 255 #ifdef CONFIG_PM 256 257 static int vxp_suspend(struct pcmcia_device *link) 258 { 259 struct vx_core *chip = link->priv; 260 261 snd_printdd(KERN_DEBUG "SUSPEND\n"); 262 if (chip) { 263 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 264 snd_vx_suspend(chip, PMSG_SUSPEND); 265 } 266 267 return 0; 268 } 269 270 static int vxp_resume(struct pcmcia_device *link) 271 { 272 struct vx_core *chip = link->priv; 273 274 snd_printdd(KERN_DEBUG "RESUME\n"); 275 if (pcmcia_dev_present(link)) { 276 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 277 if (chip) { 278 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 279 snd_vx_resume(chip); 280 } 281 } 282 snd_printdd(KERN_DEBUG "resume done!\n"); 283 284 return 0; 285 } 286 287 #endif 288 289 290 /* 291 */ 292 static int vxpocket_probe(struct pcmcia_device *p_dev) 293 { 294 struct snd_card *card; 295 struct snd_vxpocket *vxp; 296 int i; 297 298 /* find an empty slot from the card list */ 299 for (i = 0; i < SNDRV_CARDS; i++) { 300 if (!(card_alloc & (1 << i))) 301 break; 302 } 303 if (i >= SNDRV_CARDS) { 304 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 305 return -EINVAL; 306 } 307 if (! enable[i]) 308 return -ENODEV; /* disabled explicitly */ 309 310 /* ok, create a card instance */ 311 card = snd_card_new(index[i], id[i], THIS_MODULE, 0); 312 if (card == NULL) { 313 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 314 return -ENOMEM; 315 } 316 317 vxp = snd_vxpocket_new(card, ibl[i], p_dev); 318 if (! vxp) { 319 snd_card_free(card); 320 return -ENODEV; 321 } 322 card->private_data = vxp; 323 324 vxp->index = i; 325 card_alloc |= 1 << i; 326 327 vxp->p_dev = p_dev; 328 329 return vxpocket_config(p_dev); 330 } 331 332 static void vxpocket_detach(struct pcmcia_device *link) 333 { 334 struct snd_vxpocket *vxp; 335 struct vx_core *chip; 336 337 if (! link) 338 return; 339 340 vxp = link->priv; 341 chip = (struct vx_core *)vxp; 342 card_alloc &= ~(1 << vxp->index); 343 344 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 345 snd_card_disconnect(chip->card); 346 vxpocket_release(link); 347 snd_card_free_when_closed(chip->card); 348 } 349 350 /* 351 * Module entry points 352 */ 353 354 static struct pcmcia_device_id vxp_ids[] = { 355 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 356 PCMCIA_DEVICE_NULL 357 }; 358 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 359 360 static struct pcmcia_driver vxp_cs_driver = { 361 .owner = THIS_MODULE, 362 .drv = { 363 .name = "snd-vxpocket", 364 }, 365 .probe = vxpocket_probe, 366 .remove = vxpocket_detach, 367 .id_table = vxp_ids, 368 #ifdef CONFIG_PM 369 .suspend = vxp_suspend, 370 .resume = vxp_resume, 371 #endif 372 }; 373 374 static int __init init_vxpocket(void) 375 { 376 return pcmcia_register_driver(&vxp_cs_driver); 377 } 378 379 static void __exit exit_vxpocket(void) 380 { 381 pcmcia_unregister_driver(&vxp_cs_driver); 382 } 383 384 module_init(init_vxpocket); 385 module_exit(exit_vxpocket); 386