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 = to_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 * @chip: VX core 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 = to_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 static int vxpocket_config(struct pcmcia_device *link) 213 { 214 struct vx_core *chip = link->priv; 215 int ret; 216 217 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 218 219 /* redefine hardware record according to the VERSION1 string */ 220 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 221 snd_printdd("VX-pocket is detected\n"); 222 } else { 223 snd_printdd("VX-pocket 440 is detected\n"); 224 /* overwrite the hardware information */ 225 chip->hw = &vxp440_hw; 226 chip->type = vxp440_hw.type; 227 strcpy(chip->card->driver, vxp440_hw.name); 228 } 229 230 ret = pcmcia_request_io(link); 231 if (ret) 232 goto failed_preirq; 233 234 ret = request_threaded_irq(link->irq, snd_vx_irq_handler, 235 snd_vx_threaded_irq_handler, 236 IRQF_SHARED, link->devname, link->priv); 237 if (ret) 238 goto failed_preirq; 239 240 ret = pcmcia_enable_device(link); 241 if (ret) 242 goto failed; 243 244 chip->dev = &link->dev; 245 246 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 247 link->irq) < 0) 248 goto failed; 249 250 return 0; 251 252 failed: 253 free_irq(link->irq, link->priv); 254 failed_preirq: 255 pcmcia_disable_device(link); 256 return -ENODEV; 257 } 258 259 #ifdef CONFIG_PM 260 261 static int vxp_suspend(struct pcmcia_device *link) 262 { 263 struct vx_core *chip = link->priv; 264 265 snd_printdd(KERN_DEBUG "SUSPEND\n"); 266 if (chip) { 267 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 268 snd_vx_suspend(chip); 269 } 270 271 return 0; 272 } 273 274 static int vxp_resume(struct pcmcia_device *link) 275 { 276 struct vx_core *chip = link->priv; 277 278 snd_printdd(KERN_DEBUG "RESUME\n"); 279 if (pcmcia_dev_present(link)) { 280 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 281 if (chip) { 282 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 283 snd_vx_resume(chip); 284 } 285 } 286 snd_printdd(KERN_DEBUG "resume done!\n"); 287 288 return 0; 289 } 290 291 #endif 292 293 294 /* 295 */ 296 static int vxpocket_probe(struct pcmcia_device *p_dev) 297 { 298 struct snd_card *card; 299 struct snd_vxpocket *vxp; 300 int i, err; 301 302 /* find an empty slot from the card list */ 303 for (i = 0; i < SNDRV_CARDS; i++) { 304 if (!(card_alloc & (1 << i))) 305 break; 306 } 307 if (i >= SNDRV_CARDS) { 308 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 309 return -EINVAL; 310 } 311 if (! enable[i]) 312 return -ENODEV; /* disabled explicitly */ 313 314 /* ok, create a card instance */ 315 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 316 0, &card); 317 if (err < 0) { 318 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 319 return err; 320 } 321 322 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 323 if (err < 0) { 324 snd_card_free(card); 325 return err; 326 } 327 card->private_data = vxp; 328 329 vxp->index = i; 330 card_alloc |= 1 << i; 331 332 vxp->p_dev = p_dev; 333 334 return vxpocket_config(p_dev); 335 } 336 337 static void vxpocket_detach(struct pcmcia_device *link) 338 { 339 struct snd_vxpocket *vxp; 340 struct vx_core *chip; 341 342 if (! link) 343 return; 344 345 vxp = link->priv; 346 chip = (struct vx_core *)vxp; 347 card_alloc &= ~(1 << vxp->index); 348 349 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 350 snd_card_disconnect(chip->card); 351 vxpocket_release(link); 352 snd_card_free_when_closed(chip->card); 353 } 354 355 /* 356 * Module entry points 357 */ 358 359 static const struct pcmcia_device_id vxp_ids[] = { 360 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 361 PCMCIA_DEVICE_NULL 362 }; 363 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 364 365 static struct pcmcia_driver vxp_cs_driver = { 366 .owner = THIS_MODULE, 367 .name = "snd-vxpocket", 368 .probe = vxpocket_probe, 369 .remove = vxpocket_detach, 370 .id_table = vxp_ids, 371 #ifdef CONFIG_PM 372 .suspend = vxp_suspend, 373 .resume = vxp_resume, 374 #endif 375 }; 376 module_pcmcia_driver(vxp_cs_driver); 377