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 <linux/init.h> 23 #include <linux/moduleparam.h> 24 #include <sound/core.h> 25 #include "vxpocket.h" 26 #include <pcmcia/ciscode.h> 27 #include <pcmcia/cisreg.h> 28 #include <sound/initval.h> 29 #include <sound/tlv.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 const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); 94 95 static struct snd_vx_hardware vxpocket_hw = { 96 .name = "VXPocket", 97 .type = VX_TYPE_VXPOCKET, 98 99 /* hardware specs */ 100 .num_codecs = 1, 101 .num_ins = 1, 102 .num_outs = 1, 103 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 104 .output_level_db_scale = db_scale_old_vol, 105 }; 106 107 /* VX-pocket 440 108 * 109 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 110 * SMPTE (NIY) 111 * 2 stereo analog input (line/micro) 112 * 2 stereo analog output 113 * Only output levels can be modified 114 * UER, but only for the first two inputs and outputs. 115 */ 116 117 static struct snd_vx_hardware vxp440_hw = { 118 .name = "VXPocket440", 119 .type = VX_TYPE_VXP440, 120 121 /* hardware specs */ 122 .num_codecs = 2, 123 .num_ins = 2, 124 .num_outs = 2, 125 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 126 .output_level_db_scale = db_scale_old_vol, 127 }; 128 129 130 /* 131 * create vxpocket instance 132 */ 133 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl, 134 struct pcmcia_device *link) 135 { 136 struct vx_core *chip; 137 struct snd_vxpocket *vxp; 138 static struct snd_device_ops ops = { 139 .dev_free = snd_vxpocket_dev_free, 140 }; 141 142 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 143 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 144 if (! chip) 145 return NULL; 146 147 if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) { 148 kfree(chip); 149 return NULL; 150 } 151 chip->ibl.size = ibl; 152 153 vxp = (struct snd_vxpocket *)chip; 154 155 vxp->p_dev = link; 156 link->priv = chip; 157 158 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 159 link->io.NumPorts1 = 16; 160 161 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 162 163 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 164 link->irq.Handler = &snd_vx_irq_handler; 165 link->irq.Instance = chip; 166 167 link->conf.Attributes = CONF_ENABLE_IRQ; 168 link->conf.IntType = INT_MEMORY_AND_IO; 169 link->conf.ConfigIndex = 1; 170 link->conf.Present = PRESENT_OPTION; 171 172 return vxp; 173 } 174 175 176 /** 177 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 178 * @port: i/o port for the card 179 * @irq: irq number for the card 180 * 181 * this function assigns the specified port and irq, boot the card, 182 * create pcm and control instances, and initialize the rest hardware. 183 * 184 * returns 0 if successful, or a negative error code. 185 */ 186 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 187 { 188 int err; 189 struct snd_card *card = chip->card; 190 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 191 192 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 193 vxp->port = port; 194 195 sprintf(card->shortname, "Digigram %s", card->driver); 196 sprintf(card->longname, "%s at 0x%x, irq %i", 197 card->shortname, port, irq); 198 199 chip->irq = irq; 200 201 if ((err = snd_vx_setup_firmware(chip)) < 0) 202 return err; 203 204 return 0; 205 } 206 207 208 /* 209 * configuration callback 210 */ 211 212 #define CS_CHECK(fn, ret) \ 213 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 214 215 static int vxpocket_config(struct pcmcia_device *link) 216 { 217 struct vx_core *chip = link->priv; 218 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 219 int last_fn, last_ret; 220 221 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 222 223 /* redefine hardware record according to the VERSION1 string */ 224 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 225 snd_printdd("VX-pocket is detected\n"); 226 } else { 227 snd_printdd("VX-pocket 440 is detected\n"); 228 /* overwrite the hardware information */ 229 chip->hw = &vxp440_hw; 230 chip->type = vxp440_hw.type; 231 strcpy(chip->card->driver, vxp440_hw.name); 232 } 233 234 CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); 235 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 236 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 237 238 chip->dev = &handle_to_dev(link); 239 snd_card_set_dev(chip->card, chip->dev); 240 241 if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0) 242 goto failed; 243 244 link->dev_node = &vxp->node; 245 return 0; 246 247 cs_failed: 248 cs_error(link, last_fn, last_ret); 249 failed: 250 pcmcia_disable_device(link); 251 return -ENODEV; 252 } 253 254 #ifdef CONFIG_PM 255 256 static int vxp_suspend(struct pcmcia_device *link) 257 { 258 struct vx_core *chip = link->priv; 259 260 snd_printdd(KERN_DEBUG "SUSPEND\n"); 261 if (chip) { 262 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 263 snd_vx_suspend(chip, PMSG_SUSPEND); 264 } 265 266 return 0; 267 } 268 269 static int vxp_resume(struct pcmcia_device *link) 270 { 271 struct vx_core *chip = link->priv; 272 273 snd_printdd(KERN_DEBUG "RESUME\n"); 274 if (pcmcia_dev_present(link)) { 275 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 276 if (chip) { 277 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 278 snd_vx_resume(chip); 279 } 280 } 281 snd_printdd(KERN_DEBUG "resume done!\n"); 282 283 return 0; 284 } 285 286 #endif 287 288 289 /* 290 */ 291 static int vxpocket_probe(struct pcmcia_device *p_dev) 292 { 293 struct snd_card *card; 294 struct snd_vxpocket *vxp; 295 int i; 296 297 /* find an empty slot from the card list */ 298 for (i = 0; i < SNDRV_CARDS; i++) { 299 if (!(card_alloc & (1 << i))) 300 break; 301 } 302 if (i >= SNDRV_CARDS) { 303 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 304 return -EINVAL; 305 } 306 if (! enable[i]) 307 return -ENODEV; /* disabled explicitly */ 308 309 /* ok, create a card instance */ 310 card = snd_card_new(index[i], id[i], THIS_MODULE, 0); 311 if (card == NULL) { 312 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 313 return -ENOMEM; 314 } 315 316 vxp = snd_vxpocket_new(card, ibl[i], p_dev); 317 if (! vxp) { 318 snd_card_free(card); 319 return -ENODEV; 320 } 321 card->private_data = vxp; 322 323 vxp->index = i; 324 card_alloc |= 1 << i; 325 326 vxp->p_dev = p_dev; 327 328 return vxpocket_config(p_dev); 329 } 330 331 static void vxpocket_detach(struct pcmcia_device *link) 332 { 333 struct snd_vxpocket *vxp; 334 struct vx_core *chip; 335 336 if (! link) 337 return; 338 339 vxp = link->priv; 340 chip = (struct vx_core *)vxp; 341 card_alloc &= ~(1 << vxp->index); 342 343 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 344 snd_card_disconnect(chip->card); 345 vxpocket_release(link); 346 snd_card_free_when_closed(chip->card); 347 } 348 349 /* 350 * Module entry points 351 */ 352 353 static struct pcmcia_device_id vxp_ids[] = { 354 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 355 PCMCIA_DEVICE_NULL 356 }; 357 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 358 359 static struct pcmcia_driver vxp_cs_driver = { 360 .owner = THIS_MODULE, 361 .drv = { 362 .name = "snd-vxpocket", 363 }, 364 .probe = vxpocket_probe, 365 .remove = vxpocket_detach, 366 .id_table = vxp_ids, 367 #ifdef CONFIG_PM 368 .suspend = vxp_suspend, 369 .resume = vxp_resume, 370 #endif 371 }; 372 373 static int __init init_vxpocket(void) 374 { 375 return pcmcia_register_driver(&vxp_cs_driver); 376 } 377 378 static void __exit exit_vxpocket(void) 379 { 380 pcmcia_unregister_driver(&vxp_cs_driver); 381 } 382 383 module_init(init_vxpocket); 384 module_exit(exit_vxpocket); 385