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