1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for Digigram VXpocket V2/440 soundcards 4 * 5 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 6 7 */ 8 9 10 #include <linux/init.h> 11 #include <linux/module.h> 12 #include <linux/slab.h> 13 #include <sound/core.h> 14 #include "vxpocket.h" 15 #include <pcmcia/ciscode.h> 16 #include <pcmcia/cisreg.h> 17 #include <sound/initval.h> 18 #include <sound/tlv.h> 19 20 /* 21 */ 22 23 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); 24 MODULE_DESCRIPTION("Digigram VXPocket"); 25 MODULE_LICENSE("GPL"); 26 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}"); 27 28 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 29 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 30 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */ 31 static int ibl[SNDRV_CARDS]; 32 33 module_param_array(index, int, NULL, 0444); 34 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard."); 35 module_param_array(id, charp, NULL, 0444); 36 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard."); 37 module_param_array(enable, bool, NULL, 0444); 38 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard."); 39 module_param_array(ibl, int, NULL, 0444); 40 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard."); 41 42 43 /* 44 */ 45 46 static unsigned int card_alloc; 47 48 49 /* 50 */ 51 static void vxpocket_release(struct pcmcia_device *link) 52 { 53 free_irq(link->irq, link->priv); 54 pcmcia_disable_device(link); 55 } 56 57 /* 58 * destructor, called from snd_card_free_when_closed() 59 */ 60 static int snd_vxpocket_dev_free(struct snd_device *device) 61 { 62 struct vx_core *chip = device->device_data; 63 64 snd_vx_free_firmware(chip); 65 kfree(chip); 66 return 0; 67 } 68 69 70 /* 71 * Hardware information 72 */ 73 74 /* VX-pocket V2 75 * 76 * 1 DSP, 1 sync UER 77 * 1 programmable clock (NIY) 78 * 1 stereo analog input (line/micro) 79 * 1 stereo analog output 80 * Only output levels can be modified 81 */ 82 83 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0); 84 85 static const struct snd_vx_hardware vxpocket_hw = { 86 .name = "VXPocket", 87 .type = VX_TYPE_VXPOCKET, 88 89 /* hardware specs */ 90 .num_codecs = 1, 91 .num_ins = 1, 92 .num_outs = 1, 93 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 94 .output_level_db_scale = db_scale_old_vol, 95 }; 96 97 /* VX-pocket 440 98 * 99 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY) 100 * SMPTE (NIY) 101 * 2 stereo analog input (line/micro) 102 * 2 stereo analog output 103 * Only output levels can be modified 104 * UER, but only for the first two inputs and outputs. 105 */ 106 107 static const struct snd_vx_hardware vxp440_hw = { 108 .name = "VXPocket440", 109 .type = VX_TYPE_VXP440, 110 111 /* hardware specs */ 112 .num_codecs = 2, 113 .num_ins = 2, 114 .num_outs = 2, 115 .output_level_max = VX_ANALOG_OUT_LEVEL_MAX, 116 .output_level_db_scale = db_scale_old_vol, 117 }; 118 119 120 /* 121 * create vxpocket instance 122 */ 123 static int snd_vxpocket_new(struct snd_card *card, int ibl, 124 struct pcmcia_device *link, 125 struct snd_vxpocket **chip_ret) 126 { 127 struct vx_core *chip; 128 struct snd_vxpocket *vxp; 129 static const struct snd_device_ops ops = { 130 .dev_free = snd_vxpocket_dev_free, 131 }; 132 int err; 133 134 chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops, 135 sizeof(struct snd_vxpocket) - sizeof(struct vx_core)); 136 if (!chip) 137 return -ENOMEM; 138 139 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 140 if (err < 0) { 141 kfree(chip); 142 return err; 143 } 144 chip->ibl.size = ibl; 145 146 vxp = to_vxpocket(chip); 147 148 vxp->p_dev = link; 149 link->priv = chip; 150 151 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 152 link->resource[0]->end = 16; 153 154 link->config_flags |= CONF_ENABLE_IRQ; 155 link->config_index = 1; 156 link->config_regs = PRESENT_OPTION; 157 158 *chip_ret = vxp; 159 return 0; 160 } 161 162 163 /** 164 * snd_vxpocket_assign_resources - initialize the hardware and card instance. 165 * @chip: VX core instance 166 * @port: i/o port for the card 167 * @irq: irq number for the card 168 * 169 * this function assigns the specified port and irq, boot the card, 170 * create pcm and control instances, and initialize the rest hardware. 171 * 172 * returns 0 if successful, or a negative error code. 173 */ 174 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq) 175 { 176 int err; 177 struct snd_card *card = chip->card; 178 struct snd_vxpocket *vxp = to_vxpocket(chip); 179 180 snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq); 181 vxp->port = port; 182 183 sprintf(card->shortname, "Digigram %s", card->driver); 184 sprintf(card->longname, "%s at 0x%x, irq %i", 185 card->shortname, port, irq); 186 187 chip->irq = irq; 188 card->sync_irq = chip->irq; 189 190 if ((err = snd_vx_setup_firmware(chip)) < 0) 191 return err; 192 193 return 0; 194 } 195 196 197 /* 198 * configuration callback 199 */ 200 201 static int vxpocket_config(struct pcmcia_device *link) 202 { 203 struct vx_core *chip = link->priv; 204 int ret; 205 206 snd_printdd(KERN_DEBUG "vxpocket_config called\n"); 207 208 /* redefine hardware record according to the VERSION1 string */ 209 if (!strcmp(link->prod_id[1], "VX-POCKET")) { 210 snd_printdd("VX-pocket is detected\n"); 211 } else { 212 snd_printdd("VX-pocket 440 is detected\n"); 213 /* overwrite the hardware information */ 214 chip->hw = &vxp440_hw; 215 chip->type = vxp440_hw.type; 216 strcpy(chip->card->driver, vxp440_hw.name); 217 } 218 219 ret = pcmcia_request_io(link); 220 if (ret) 221 goto failed_preirq; 222 223 ret = request_threaded_irq(link->irq, snd_vx_irq_handler, 224 snd_vx_threaded_irq_handler, 225 IRQF_SHARED, link->devname, link->priv); 226 if (ret) 227 goto failed_preirq; 228 229 ret = pcmcia_enable_device(link); 230 if (ret) 231 goto failed; 232 233 chip->dev = &link->dev; 234 235 if (snd_vxpocket_assign_resources(chip, link->resource[0]->start, 236 link->irq) < 0) 237 goto failed; 238 239 return 0; 240 241 failed: 242 free_irq(link->irq, link->priv); 243 failed_preirq: 244 pcmcia_disable_device(link); 245 return -ENODEV; 246 } 247 248 #ifdef CONFIG_PM 249 250 static int vxp_suspend(struct pcmcia_device *link) 251 { 252 struct vx_core *chip = link->priv; 253 254 snd_printdd(KERN_DEBUG "SUSPEND\n"); 255 if (chip) { 256 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n"); 257 snd_vx_suspend(chip); 258 } 259 260 return 0; 261 } 262 263 static int vxp_resume(struct pcmcia_device *link) 264 { 265 struct vx_core *chip = link->priv; 266 267 snd_printdd(KERN_DEBUG "RESUME\n"); 268 if (pcmcia_dev_present(link)) { 269 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; 270 if (chip) { 271 snd_printdd(KERN_DEBUG "calling snd_vx_resume\n"); 272 snd_vx_resume(chip); 273 } 274 } 275 snd_printdd(KERN_DEBUG "resume done!\n"); 276 277 return 0; 278 } 279 280 #endif 281 282 283 /* 284 */ 285 static int vxpocket_probe(struct pcmcia_device *p_dev) 286 { 287 struct snd_card *card; 288 struct snd_vxpocket *vxp; 289 int i, err; 290 291 /* find an empty slot from the card list */ 292 for (i = 0; i < SNDRV_CARDS; i++) { 293 if (!(card_alloc & (1 << i))) 294 break; 295 } 296 if (i >= SNDRV_CARDS) { 297 snd_printk(KERN_ERR "vxpocket: too many cards found\n"); 298 return -EINVAL; 299 } 300 if (! enable[i]) 301 return -ENODEV; /* disabled explicitly */ 302 303 /* ok, create a card instance */ 304 err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE, 305 0, &card); 306 if (err < 0) { 307 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n"); 308 return err; 309 } 310 311 err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp); 312 if (err < 0) { 313 snd_card_free(card); 314 return err; 315 } 316 card->private_data = vxp; 317 318 vxp->index = i; 319 card_alloc |= 1 << i; 320 321 vxp->p_dev = p_dev; 322 323 return vxpocket_config(p_dev); 324 } 325 326 static void vxpocket_detach(struct pcmcia_device *link) 327 { 328 struct snd_vxpocket *vxp; 329 struct vx_core *chip; 330 331 if (! link) 332 return; 333 334 vxp = link->priv; 335 chip = (struct vx_core *)vxp; 336 card_alloc &= ~(1 << vxp->index); 337 338 chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */ 339 snd_card_disconnect(chip->card); 340 vxpocket_release(link); 341 snd_card_free_when_closed(chip->card); 342 } 343 344 /* 345 * Module entry points 346 */ 347 348 static const struct pcmcia_device_id vxp_ids[] = { 349 PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100), 350 PCMCIA_DEVICE_NULL 351 }; 352 MODULE_DEVICE_TABLE(pcmcia, vxp_ids); 353 354 static struct pcmcia_driver vxp_cs_driver = { 355 .owner = THIS_MODULE, 356 .name = "snd-vxpocket", 357 .probe = vxpocket_probe, 358 .remove = vxpocket_detach, 359 .id_table = vxp_ids, 360 #ifdef CONFIG_PM 361 .suspend = vxp_suspend, 362 .resume = vxp_resume, 363 #endif 364 }; 365 module_pcmcia_driver(vxp_cs_driver); 366