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 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 int snd_vxpocket_new(struct snd_card *card, int ibl, 135 struct pcmcia_device *link, 136 struct snd_vxpocket **chip_ret) 137 { 138 struct vx_core *chip; 139 struct snd_vxpocket *vxp; 140 static struct snd_device_ops ops = { 141 .dev_free = snd_vxpocket_dev_free, 142 }; 143 int err; 144 145 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 146 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 147 if (!chip) 148 return -ENOMEM; 149 150 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 151 if (err < 0) { 152 kfree(chip); 153 return err; 154 } 155 chip->ibl.size = ibl; 156 157 vxp = (struct snd_vxpocket *)chip; 158 159 vxp->p_dev = link; 160 link->priv = chip; 161 162 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 163 link->resource[0]->end = 16; 164 165 link->config_flags |= CONF_ENABLE_IRQ; 166 link->config_index = 1; 167 link->config_regs = PRESENT_OPTION; 168 169 *chip_ret = vxp; 170 return 0; 171 } 172 173 174 /** 175 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 176 * @port: i/o port for the card 177 * @irq: irq number for the card 178 * 179 * this function assigns the specified port and irq, boot the card, 180 * create pcm and control instances, and initialize the rest hardware. 181 * 182 * returns 0 if successful, or a negative error code. 183 */ 184 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 185 { 186 int err; 187 struct snd_card *card = chip->card; 188 struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 189 190 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 191 vxp->port = port; 192 193 sprintf(card->shortname, "Digigram %s", card->driver); 194 sprintf(card->longname, "%s at 0x%x, irq %i", 195 card->shortname, port, irq); 196 197 chip->irq = irq; 198 199 if ((err = snd_vx_setup_firmware(chip)) < 0) 200 return err; 201 202 return 0; 203 } 204 205 206 /* 207 * configuration callback 208 */ 209 210 static int vxpocket_config(struct pcmcia_device *link) 211 { 212 struct vx_core *chip = link->priv; 213 int ret; 214 215 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 216 217 /* redefine hardware record according to the VERSION1 string */ 218 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 219 snd_printdd("VX-pocket is detected\n"); 220 } else { 221 snd_printdd("VX-pocket 440 is detected\n"); 222 /* overwrite the hardware information */ 223 chip->hw = &vxp440_hw; 224 chip->type = vxp440_hw.type; 225 strcpy(chip->card->driver, vxp440_hw.name); 226 } 227 228 ret = pcmcia_request_io(link); 229 if (ret) 230 goto failed; 231 232 ret = pcmcia_request_irq(link, snd_vx_irq_handler); 233 if (ret) 234 goto failed; 235 236 ret = pcmcia_enable_device(link); 237 if (ret) 238 goto failed; 239 240 chip->dev = &link->dev; 241 242 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 243 link->irq) < 0) 244 goto failed; 245 246 return 0; 247 248 failed: 249 pcmcia_disable_device(link); 250 return -ENODEV; 251 } 252 253 #ifdef CONFIG_PM 254 255 static int vxp_suspend(struct pcmcia_device *link) 256 { 257 struct vx_core *chip = link->priv; 258 259 snd_printdd(KERN_DEBUG "SUSPEND\n"); 260 if (chip) { 261 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 262 snd_vx_suspend(chip); 263 } 264 265 return 0; 266 } 267 268 static int vxp_resume(struct pcmcia_device *link) 269 { 270 struct vx_core *chip = link->priv; 271 272 snd_printdd(KERN_DEBUG "RESUME\n"); 273 if (pcmcia_dev_present(link)) { 274 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 275 if (chip) { 276 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 277 snd_vx_resume(chip); 278 } 279 } 280 snd_printdd(KERN_DEBUG "resume done!\n"); 281 282 return 0; 283 } 284 285 #endif 286 287 288 /* 289 */ 290 static int vxpocket_probe(struct pcmcia_device *p_dev) 291 { 292 struct snd_card *card; 293 struct snd_vxpocket *vxp; 294 int i, err; 295 296 /* find an empty slot from the card list */ 297 for (i = 0; i < SNDRV_CARDS; i++) { 298 if (!(card_alloc & (1 << i))) 299 break; 300 } 301 if (i >= SNDRV_CARDS) { 302 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 303 return -EINVAL; 304 } 305 if (! enable[i]) 306 return -ENODEV; /* disabled explicitly */ 307 308 /* ok, create a card instance */ 309 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 310 0, &card); 311 if (err < 0) { 312 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 313 return err; 314 } 315 316 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 317 if (err < 0) { 318 snd_card_free(card); 319 return err; 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 const 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 .name = "snd-vxpocket", 362 .probe = vxpocket_probe, 363 .remove = vxpocket_detach, 364 .id_table = vxp_ids, 365 #ifdef CONFIG_PM 366 .suspend = vxp_suspend, 367 .resume = vxp_resume, 368 #endif 369 }; 370 module_pcmcia_driver(vxp_cs_driver); 371