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/module.h> 24 #include <linux/slab.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 bool 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 free_irq(link->irq, link->priv); 66 pcmcia_disable_device(link); 67 } 68 69 /* 70 * destructor, called from snd_card_free_when_closed() 71 */ 72 static int snd_vxpocket_dev_free(struct snd_device *device) 73 { 74 struct vx_core *chip = device->device_data; 75 76 snd_vx_free_firmware(chip); 77 kfree(chip); 78 return 0; 79 } 80 81 82 /* 83 * Hardware information 84 */ 85 86 /* VX-pocket V2 87 * 88 * 1 DSP, 1 sync UER 89 * 1 programmable clock (NIY) 90 * 1 stereo analog input (line/micro) 91 * 1 stereo analog output 92 * Only output levels can be modified 93 */ 94 95 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); 96 97 static struct snd_vx_hardware vxpocket_hw = { 98 .name = "VXPocket", 99 .type = VX_TYPE_VXPOCKET, 100 101 /* hardware specs */ 102 .num_codecs = 1, 103 .num_ins = 1, 104 .num_outs = 1, 105 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 106 .output_level_db_scale = db_scale_old_vol, 107 }; 108 109 /* VX-pocket 440 110 * 111 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 112 * SMPTE (NIY) 113 * 2 stereo analog input (line/micro) 114 * 2 stereo analog output 115 * Only output levels can be modified 116 * UER, but only for the first two inputs and outputs. 117 */ 118 119 static struct snd_vx_hardware vxp440_hw = { 120 .name = "VXPocket440", 121 .type = VX_TYPE_VXP440, 122 123 /* hardware specs */ 124 .num_codecs = 2, 125 .num_ins = 2, 126 .num_outs = 2, 127 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 128 .output_level_db_scale = db_scale_old_vol, 129 }; 130 131 132 /* 133 * create vxpocket instance 134 */ 135 static int snd_vxpocket_new(struct snd_card *card, int ibl, 136 struct pcmcia_device *link, 137 struct snd_vxpocket **chip_ret) 138 { 139 struct vx_core *chip; 140 struct snd_vxpocket *vxp; 141 static struct snd_device_ops ops = { 142 .dev_free = snd_vxpocket_dev_free, 143 }; 144 int err; 145 146 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 147 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 148 if (!chip) 149 return -ENOMEM; 150 151 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 152 if (err < 0) { 153 kfree(chip); 154 return err; 155 } 156 chip->ibl.size = ibl; 157 158 vxp = (struct snd_vxpocket *)chip; 159 160 vxp->p_dev = link; 161 link->priv = chip; 162 163 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 164 link->resource[0]->end = 16; 165 166 link->config_flags |= CONF_ENABLE_IRQ; 167 link->config_index = 1; 168 link->config_regs = PRESENT_OPTION; 169 170 *chip_ret = vxp; 171 return 0; 172 } 173 174 175 /** 176 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 177 * @port: i/o port for the card 178 * @irq: irq number for the card 179 * 180 * this function assigns the specified port and irq, boot the card, 181 * create pcm and control instances, and initialize the rest hardware. 182 * 183 * returns 0 if successful, or a negative error code. 184 */ 185 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 186 { 187 int err; 188 struct snd_card *card = chip->card; 189 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 190 191 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 192 vxp->port = port; 193 194 sprintf(card->shortname, "Digigram %s", card->driver); 195 sprintf(card->longname, "%s at 0x%x, irq %i", 196 card->shortname, port, irq); 197 198 chip->irq = irq; 199 200 if ((err = snd_vx_setup_firmware(chip)) < 0) 201 return err; 202 203 return 0; 204 } 205 206 207 /* 208 * configuration callback 209 */ 210 211 static int vxpocket_config(struct pcmcia_device *link) 212 { 213 struct vx_core *chip = link->priv; 214 int ret; 215 216 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 217 218 /* redefine hardware record according to the VERSION1 string */ 219 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 220 snd_printdd("VX-pocket is detected\n"); 221 } else { 222 snd_printdd("VX-pocket 440 is detected\n"); 223 /* overwrite the hardware information */ 224 chip->hw = &vxp440_hw; 225 chip->type = vxp440_hw.type; 226 strcpy(chip->card->driver, vxp440_hw.name); 227 } 228 229 ret = pcmcia_request_io(link); 230 if (ret) 231 goto failed_preirq; 232 233 ret = request_threaded_irq(link->irq, snd_vx_irq_handler, 234 snd_vx_threaded_irq_handler, 235 IRQF_SHARED, link->devname, link->priv); 236 if (ret) 237 goto failed_preirq; 238 239 ret = pcmcia_enable_device(link); 240 if (ret) 241 goto failed; 242 243 chip->dev = &link->dev; 244 245 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 246 link->irq) < 0) 247 goto failed; 248 249 return 0; 250 251 failed: 252 free_irq(link->irq, link->priv); 253 failed_preirq: 254 pcmcia_disable_device(link); 255 return -ENODEV; 256 } 257 258 #ifdef CONFIG_PM 259 260 static int vxp_suspend(struct pcmcia_device *link) 261 { 262 struct vx_core *chip = link->priv; 263 264 snd_printdd(KERN_DEBUG "SUSPEND\n"); 265 if (chip) { 266 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 267 snd_vx_suspend(chip); 268 } 269 270 return 0; 271 } 272 273 static int vxp_resume(struct pcmcia_device *link) 274 { 275 struct vx_core *chip = link->priv; 276 277 snd_printdd(KERN_DEBUG "RESUME\n"); 278 if (pcmcia_dev_present(link)) { 279 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 280 if (chip) { 281 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 282 snd_vx_resume(chip); 283 } 284 } 285 snd_printdd(KERN_DEBUG "resume done!\n"); 286 287 return 0; 288 } 289 290 #endif 291 292 293 /* 294 */ 295 static int vxpocket_probe(struct pcmcia_device *p_dev) 296 { 297 struct snd_card *card; 298 struct snd_vxpocket *vxp; 299 int i, err; 300 301 /* find an empty slot from the card list */ 302 for (i = 0; i < SNDRV_CARDS; i++) { 303 if (!(card_alloc & (1 << i))) 304 break; 305 } 306 if (i >= SNDRV_CARDS) { 307 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 308 return -EINVAL; 309 } 310 if (! enable[i]) 311 return -ENODEV; /* disabled explicitly */ 312 313 /* ok, create a card instance */ 314 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 315 0, &card); 316 if (err < 0) { 317 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 318 return err; 319 } 320 321 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 322 if (err < 0) { 323 snd_card_free(card); 324 return err; 325 } 326 card->private_data = vxp; 327 328 vxp->index = i; 329 card_alloc |= 1 << i; 330 331 vxp->p_dev = p_dev; 332 333 return vxpocket_config(p_dev); 334 } 335 336 static void vxpocket_detach(struct pcmcia_device *link) 337 { 338 struct snd_vxpocket *vxp; 339 struct vx_core *chip; 340 341 if (! link) 342 return; 343 344 vxp = link->priv; 345 chip = (struct vx_core *)vxp; 346 card_alloc &= ~(1 << vxp->index); 347 348 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 349 snd_card_disconnect(chip->card); 350 vxpocket_release(link); 351 snd_card_free_when_closed(chip->card); 352 } 353 354 /* 355 * Module entry points 356 */ 357 358 static const struct pcmcia_device_id vxp_ids[] = { 359 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 360 PCMCIA_DEVICE_NULL 361 }; 362 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 363 364 static struct pcmcia_driver vxp_cs_driver = { 365 .owner = THIS_MODULE, 366 .name = "snd-vxpocket", 367 .probe = vxpocket_probe, 368 .remove = vxpocket_detach, 369 .id_table = vxp_ids, 370 #ifdef CONFIG_PM 371 .suspend = vxp_suspend, 372 .resume = vxp_resume, 373 #endif 374 }; 375 module_pcmcia_driver(vxp_cs_driver); 376